1 2000-40-30 Bruce Korb <bkorb@gnu.org>
3 * fixinc/inclhack.def: Added definitions needed by OSR5,
4 removed two stale entries (defined away with OLD_CPP).
5 * fixinc/inclhack.sh: regen
6 * fixinc/fixincl.x: regen
8 2000-04-30 Richard Henderson <rth@cygnus.com>
10 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
11 from the last insn in the sequence.
13 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
15 * cpplex.c (cpp_idcmp): New function.
16 * cpplib.h: Prototype it.
17 * scan_decls.c (scan_decls): Use it to inspect token names.
18 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
19 the file being run through the preprocessor.
20 (check_macro_names): Provide length of token to cpp_defined.
22 * Makefile.in: Remove stale warning message.
24 * cppfiles.c (redundant_include_p): Provide length of token to
26 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
27 values are unsigned int.
28 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
29 (_cpp_lookup_slot): Do not calculate the hash, either.
30 * cpphash.h: Update prototypes.
31 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
32 Hashes are unsigned int. Calculate hash here, pass by value
35 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
37 * simplify-rtx.c (check_value_useless): Delete function.
38 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
40 (cselib_invalidate_regno): Likewise.
41 (cselib_invalidate_mem_1): Likewise.
42 (references_value_p): Recognize useless values by the fact that they
44 (discard_useless_values): Likewise.
45 (cselib_record_set): This may turn a useless value
48 2000-04-30 Richard Henderson <rth@cygnus.com>
50 * config/d30v: New port.
52 * configure.in (d30v-*): Set fp format.
55 2000-04-30 Richard Henderson <rth@cygnus.com>
58 * Makefile.in (OBJS): Add it.
59 (ifcvt.o): New target.
60 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
61 and conditional arithmetic.
62 (find_insert_position): Remove.
63 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
64 * toplev.c (DFI_ce, DFI_ce2): New.
65 (dump_file): Add ce and ce2 dumps.
66 (rest_of_compilation): Run if_convert a couple o times. Set
67 cse_not_expected after cse2. Don't set no_new_pseudos until
68 after sched1 or recompute_reg_usage.
70 2000-04-30 Richard Henderson <rth@cygnus.com>
72 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
73 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
75 2000-04-30 Richard Henderson <rth@cygnus.com>
77 * flow.c (struct reg_cond_life_info): New.
78 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
79 (init_propagate_block_info): Initialize them.
80 (free_propagate_block_info): Destruct them.
81 (mark_set_1): Consider conditional life before killing a register.
82 (mark_regno_cond_dead): New.
83 (free_reg_cond_life_info): New.
84 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
85 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
86 (mark_used_reg): Record conditional life.
88 * haifa-sched.c (schedule_insns): Disable death counting
89 sanity check for HAVE_conditional_execution.
91 2000-04-30 Richard Henderson <rth@cygnus.com>
93 * Makefile.in (TIMEVAR_H): New.
94 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
95 (timevar.h): Remove rule.
97 2000-04-29 Richard Henderson <rth@cygnus.com>
99 * config/alpha/crtend.asm: Use C comments instead of #.
100 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
102 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
104 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
106 * cpphash.h (enum node_type: Take out T_MCONST.
107 (union hashval): Move into struct hashnode.
108 (struct hashnode): Pack tighter. Remove file, line, col
110 * cpphash.c: Constify most of the macro-definition structures.
111 (struct definition): Replace by struct object_defn
112 and struct funct_defn. Put file, line, column information
113 here. All users updated to match.
114 (_cpp_create_definition, _cpp_macroexpand): Remove special
115 case for #define WORD OTHERWORD.
116 * cpplib.c (do_undef): Remove T_MCONST case.
118 * cpphash.h: Move struct reflist, struct definition, and the
119 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
120 union hashval. _cpp_free_definition takes a HASHNODE pointer.
121 * cpphash.c (_cpp_free_definition): Free data pointed to by
122 MCONST, XCONST, MACRO, and FMACRO nodes properly.
123 (_cpp_create_definition, del_HASHNODE): Just call
124 _cpp_free_definition to clear out a hashnode.
125 * cpplib.c (do_pragma_poison): Likewise.
127 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
129 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
130 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
131 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
132 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
133 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
134 REGNO_AM33_P): Redefine in terms of the new macros.
135 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
136 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
137 STRUCT_VALUE): Likewise.
138 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
139 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
141 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
143 * regmove.c (struct record_stack_memrefs_data): New.
144 (record_stack_memrefs): New function.
145 (combine_stack_adjustments_for_block): Use it.
147 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
149 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
150 use special_function_p to detect alloca.
152 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
154 * gcc.texi: Fixes for makeinfo 4.0 --html.
156 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
158 * pcp.h: Delete file.
160 2000-04-28 Kazu Hirata <kazu@hxi.com>
162 * h8300.c (function_epilogue): Clean up flags when the last insn
163 in a function is a barrier.
165 2000-04-28 Chris Demetriou <cgd@sibyte.com>
167 * configure.in (sparc-hal-solaris2*): protect [] glob from
169 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
170 rather than hard-coded constants in target_cpu_default2.
171 * configure: Regenerate.
173 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
175 * tree.c (get_callee_fndecl): Extract the initial value from
178 2000-04-28 Richard Henderson <rth@cygnus.com>
180 * varasm.c (record_constant_1): Record the CODE_LABEL when
181 taking the address of a LABEL_REF.
183 2000-04-28 Richard Henderson <rth@cygnus.com>
184 Jan Hubicka <jh@suse.cz>
186 * calls.c (combine_pending_stack_adjustment_and_call): Return the
187 adjustment; don't do the stack adjust.
188 (expand_call): Call compute_argument_block_size right before
189 allocating the block; update comment; don't do alignment sanity
190 checking for sibling call; use args_size instead of
191 unadjusted_args_size before args_size is adjusted. Use
192 combine_pending_stack_adjustment_and_call to compute stack adjust
193 for must_preallocate case.
195 * expr.c (push_block): Remove shadow `temp' in inner scope.
197 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
199 * toplev.c (rest_of_compilation): Call
200 note_deferral_of_defined_inline_function even if the function
203 2000-04-28 Scott Bambrough <scottb@netwinder.org>
205 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
207 2000-04-28 Richard Henderson <rth@cygnus.com>
209 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
211 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
213 * timevar.c (init_timevar): DeANSIfy function definition.
215 2000-04-27 Alex Samuel <samuel@codesourcery.com>
217 * Makefile.in (timevar.o): Depend on flags.h.
218 * timevar.c (unused_stack_instances): New variable.
219 (timevar_push): Take a timevar_stack_def from
220 unused_stack_instances if available.
221 (timevar_pop): Push the popped timevar_stack_def onto
222 unused_stack_instances.
223 (TIMEVAR_ENABLE): New macro.
224 (timevar_def): Make standalone a 1-bit field. Add field used.
225 (get_time): Rename parameter to now. Return after clearing it if
227 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
228 (timevar_pop): Likewise.
229 (timevar_stop): Likewise.
230 (timevar_push): Likewise. Mark the timing variable as used.
231 (timevar_start): Likewise.
232 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
233 timevars that were never used.
235 2000-04-27 Mark Mitchell <mark@codesourcery.com>
237 * c-commom.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
238 always TREE_READONLY.
240 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
242 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
243 for call instruction with mode QImode.
245 2000-04-27 Alex Samuel <samuel@codesourcery.com>
247 * Makefile.in (OBJS): Add timevar.o.
248 (toplev.o): Depend on timevar.h.
249 (ggc-simple.o): Likewise.
250 (ggc-page.o): Likewise.
251 (timevar.o): New rule.
252 (timevar.h): New rule.
254 * timevar.h: New file.
255 * timevar.c: Likewise.
256 * timevar.def: Likewise.
258 * toplev.h (gc_time, parse_time, varconst_time): Remove.
259 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
261 (TIMEVAR): Remove macro.
262 (gc_time, parse_time, varconst_time, integration_time, jump_time,
263 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
264 flow_time, combine_time, regmove_time, sched_time,
265 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
266 sched2_time, dbr_sched_time, reorder_blocks_time,
267 rename_registers_time, shorten_branch_time, stack_reg_time,
268 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
270 (compile_file): Don't initialize time variables. Call
271 init_timevar and start TV_TOTAL timer. Call timevar_print instead
272 of many calls to print_time.
273 (rest_of_compilation): Add timing for reload_cse_regs.
274 (get_run_time): Removed to timevar.c.
275 (print_time): Likewise.
276 (get_run_time): Implement using TV_TOTAL time variable.
277 (print_time): Get total run time from get_run_time.
278 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
279 computing elapsed time explicitly.
280 * ggc-simple.c (ggc_collect): Likewise.
281 (gc_time): Remove declaration.
283 2000-04-27 Mark Mitchell <mark@codesourcery.com>
285 * calls.c (combine_pending_stack_adjustment_and_call): New function.
286 (expand_call): Use it.
288 2000-04-27 Jan Hubicka <jh@suse.cz>
290 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
293 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
295 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
298 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
300 * function.c (epilogue_done): Pass whole insn to record_insns.
302 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
304 * cse.c (CSE_ADDRESS_COST): Remove.
305 (find_best_addr): Add new parameter "MODE", use address_cost instead
308 (fold_rtx): Update call of find_best_addr.
309 * rtl.h (address_cost): Declare.
310 * loop.c (general_induction_var): Add new parameter "MODE", use
311 address_cost instead of ADDRESS_COST
312 (init_loop): Use address_cost instead of ADDRESS_COST.
313 (check_insn_for_givs): Update call of general_induction_var.
314 (find_mem_givs): Likewise.
315 (consec_sets_giv): Likewise.
316 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
317 * i386.c (ix86_address_cost): New.
318 * i386-protos.h (ix86_address_cost): Declare.
320 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
322 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
325 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
327 * expr.c (store_expr): Use clear_storage instead of direct memset
330 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
332 * config/mn10300/mn10300.c (mn10300_address_cost): Test
333 ASHIFT, AND and LABEL_REF.
335 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
337 * invoke.texi (-foptimize-sibling-calls): Fix.
339 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
341 * loop.c (load_mems) Don't use hard registers for the hoisting.
343 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
344 calculation; rename const_equiv array in the preconditioning code
345 from loop_unroll to loop_unroll_precondition
347 2000-04-27 Richard Henderson <rth@cygnus.com>
349 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
351 (propagate_one_insn): Clear it. Don't update reg_live here.
352 (init_propagate_block_info): Update for pbi member changes.
353 (free_propagate_block_info): Likewise.
354 (mark_set_1): Know that zero_extract, sign_extract, and
355 strict_low_part don't kill their argument. Alter hard subregs.
356 Update new_set for non-CLOBBER sets. Update reg_live.
357 (find_auto_inc): Update reg_live, not new_dead.
358 (mark_used_reg): Update reg_live, not new_live. Examine new_set
359 to determine if the reg in question was set this insn. Only update
360 reg info with PROP_REG_INFO.
362 2000-04-26 Richard Henderson <rth@cygnus.com>
364 * flow.c (allocate_reg_life_data): Set max_regno here ...
365 (life_analysis): ... not here.
367 * flow.c (calculate_global_regs_live): Force stack pointer
370 2000-04-26 Richard Henderson <rth@cygnus.com>
372 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
373 commit change group changes.
374 (invert_exp_1): Similarly.
375 (redirect_exp, invert_exp): Use them.
376 (redirect_jump_1): New.
377 (invert_jump_1): New.
378 (jump_optimize_1): Remove code subsumed by condexec.c.
379 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
381 2000-04-26 Richard Henderson <rth@cygnus.com>
383 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
385 * genconfig.c (main): Set all HAVE_foo to 1.
387 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
389 2000-04-26 Alex Samuel <samuel@codesourcery.com>
391 * invoke.texi: Document -fssa flag.
393 2000-04-26 Richard Henderson <rth@cygnus.com>
395 * flow.c (count_reg_sets_1): Remove.
396 (count_reg_sets, count_reg_references): Remove.
397 (recompute_reg_usage): Implement with update_life_info.
398 Reallocate life data.
400 2000-04-26 Richard Henderson <rth@cygnus.com>
402 * flow.c (update_life_info): Consider blocks null to mean the
404 (calculate_global_regs_live): Likewise.
405 (life_analysis): Do that instead of collecting all_blocks.
407 2000-04-26 Richard Henderson <rth@cygnus.com>
409 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
410 a still-valid conditional jump.
412 2000-04-26 Richard Henderson <rth@cygnus.com>
414 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
416 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
417 * flow.c (calculate_loop_depth): Remove.
418 * output.h (calculate_loop_depth): Don't declare.
419 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
420 inline; run estimate_probability at the same time.
422 2000-04-26 Neil Booth <NeilB@earthling.net>
424 * cpplib.h: "~=" is not a single pp-token.
425 * cpplex.c: Correct commentary.
427 2000-04-26 Richard Henderson <rth@cygnus.com>
429 * flow.c (mark_set_1): New arguments code and flags; update all
430 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
431 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
432 loop_depth when optimizing for size. Do new_dead update after
433 emitting REG_UNUSED notes. Merge mark_set_reg code.
434 (mark_set_reg): Remove.
435 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
436 arrange to not emit REG_UNUSED notes.
438 2000-04-26 Richard Henderson <rth@cygnus.com>
440 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
441 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
443 2000-04-26 Richard Henderson <rth@cygnus.com>
445 * flow.c (propagate_one_insn): Break out from propagate_block.
446 (init_propagate_block_info): Likewise.
447 (free_propagate_block_info): Likewise.
448 (propagate_block): Use them. Export.
449 * basic-block.h: Declare them all.
451 2000-04-26 Richard Henderson <rth@cygnus.com>
453 * basic-block.h (life_analysis): Declare here ...
454 * output.h: ... not here.
455 * flow.c (life_analysis): Remove nregs parameter; replace
456 remove_dead_code with flags. Remove ssa dead code check.
457 Only init alias analysis if we'll use it.
458 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
459 * ssa.c (convert_to_ssa): Likewise.
460 (convert_from_ssa): Likewise.
461 * toplev.c (rest_of_compilation): Likewise.
463 2000-04-26 Richard Henderson <rth@cygnus.com>
465 * flow.c (flow_delete_block): Rename from delete_block. Export.
466 * basic-block.h (flow_delete_block): Declare.
468 2000-04-26 David S. Miller <davem@redhat.com>
470 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
471 taking a PATTERN of it.
473 2000-04-26 <NeilB@earthling.net>
475 * cpplex.c (spell_other, spell_char): Remove.
477 (token_spelling, trigraph_map): Use unsigned chars.
478 (_cpp_lex_line): Tidy up the switch statement.
479 * cpplib.h: Implement spell_char with spell_string.
482 2000-04-26 <RodneyBrown@pmsc.com>
484 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
485 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
487 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
489 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
490 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
491 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
492 dwarf2out_return_save, dwarf2out_return_reg,
493 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
494 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
495 gen_compile_unit_die, dwarf2out_init): Constify a char*.
497 * dwarf2out.h (dwarf2out_init): Likewise.
499 * dwarfout.c (filename_entry, primary_filename, last_filename,
500 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
502 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
503 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
504 dwarf2out_return_reg): Likewise.
506 2000-04-26 Andreas Jaeger <aj@suse.de>
508 * extend.texi (Function Attributes): Fix description of pure
511 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
513 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
514 before calling rest_of_compilation.
516 2000-04-26 Andreas Jaeger <aj@suse.de>
518 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
521 2000-04-25 Richard Henderson <rth@cygnus.com>
523 * cse.c (cse_insn): Emit barrier after unconditional jump.
525 * calls.c (expand_call): Disable tail call generation once
526 rtx_equal_function_value_matters is false.
528 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
531 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
533 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
535 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
537 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
538 is the primary DIE for a member function.
539 (gen_decl_die): Call set_decl_origin_self here.
540 * dwarfout.c (output_decl): And here.
541 * integrate.c (output_inline_function): Not here.
542 Don't clear DECL_INLINE until after calling rest_of_compilation.
543 (set_decl_origin_self): No longer static.
544 * tree.h: Add prototype.
545 * toplev.c (note_deferral_of_defined_inline_function): Only write
546 out abstract instance for actual inlines.
548 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
550 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
551 EXTENDED_REGS only if TARGET_AM33.
552 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
553 SP_REGS to register allocation and reloading unless absolutely
555 (movsi3): Remove special-case of adding non-constants to SP.
557 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
559 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
560 INCLUDES to search and does not provide any of its own. Also it
561 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
562 parameters. Also it does not call AC_DEFINE.
563 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
564 AC_DEFINE and provides for automatic entries for autoheader.
565 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
567 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
568 so we can pass -I flags and include gansidecl.h/system.h in this
571 * acconfig.h: Delete all NEED_DECLARATION_* entries.
573 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
575 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
576 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
577 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
579 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
580 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
581 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
582 for these macros. Clean up spacing and linewraps.
584 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
586 * calls.c (expand_call): Use get_callee_fndecl.
588 * print-tree.c (print_node): Print the chain of an _EXPR.
590 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
591 Jim Wilson <wilson@cygnus.com>
592 Andrew Haley <aph@cygnus.com>
594 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
595 and gp save/restore problems.
596 * config/ia64/crtend.asm: Add IA-64 unwind support.
597 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
598 in fr_pad_size calculation.
599 (save_restore_insns): Move PR save area. Correct uses of
601 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
602 (ia64_expand_epilogue): Add eh_epilogue support.
603 (ia64_function_prologue): Emit .prologue directive.
604 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
605 (ia64_override_options): Set init_machine_status and
607 (rtx_needs_barrier): Handle bsp reads and writes.
608 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
609 New static variables.
610 (process_set, process_for_unwind_directive): New functions.
611 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
612 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
613 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
615 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
616 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
617 (struct machine_function): Define.
618 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
620 2000-04-25 Bruce Korb <bkorb@gnu.org>
622 * fixinc/Makefile.in: make the removal of old programs more
624 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
625 install-bin and install-sh
627 2000-04-25 Nick Clifton <nickc@cygnus.com>
629 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
630 defined, define to return zero.
631 (function_cannot_inline_p): If a function has any target
632 specific attributes, then use the macro
633 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
634 whether it can be inlined. If it cannot, issue a suitable
637 * tm.texi: Add a new node 'Inlining' to document the new macro
638 FUNCTION_ATTRIBUTE_INLINABLE_P.
640 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
642 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
645 2000-04-25 Neil Booth <NeilB@earthling.net>
647 Restore previous patch, plus the following fixes:
649 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
650 flags, not CPP_OPEN_PAREN.
651 * cpplex.c (expand_token_space, init_token_list,
652 cpp_free_token_list): Put the dummy token at list->tokens[-1].
653 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
655 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
657 * config/i386/freebsd.h (INT_ASM_OP): Define.
659 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
661 * loop.c (strength_reduce): Fix typo in the last checkin.
663 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
665 * stor-layout.c (finalize_record_size): Simplify to use existing
667 (compute_record_mode): No longer static.
668 * tree.h (compute_record_mode): New declaration.
670 2000-04-25 Neil Booth <NeilB@earthling.net>
672 * Revert my patch below until cause of build failures
675 2000-04-25 Richard Henderson <rth@cygnus.com>
677 * combine.c (combine_instructions): Add missing argument
680 * toplev.c (rest_of_compilation): Delay sibcall optimization
681 until after emit_eh_context.
683 2000-04-24 Nick Clifton <nickc@redhat.com>
685 * combine.c (combine_instructions): Do not try to combine a
686 sequence of insns when the second insn has been replaced by a
689 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
691 * gcc.c (load_specs): New static function.
692 (read_specs): Use it.
694 * gcc.c (lookup_compiler): Make multiple passes for case
695 insensitive filesystems.
697 2000-04-24 Neil Booth <NeilB@earthling.net>
699 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
700 * cpphash.h (_cpp_check_directive): new.
701 * cpplex.c (handle_newline, cpp_free_token_list,
702 init_trigraph_map, trigraph_ok, trigraph_replace,
703 backslash_start, skip_block_comment, skip_line_comment,
704 skip_whitespace, parse_name, parse_number, parse_string,
705 copy_comment, _cpp_lex_line, spell_char, spell_string,
706 spell_comment, spell_name, spell_other, _cpp_lex_file,
707 _cpp_output_list): new.
708 (expand_name_space): take length argument.
709 (init_token_list): add comment list initialisation.
710 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
711 instead of HSPACE_BEFORE.
713 * cpplib.c (_cpp_check_directive): new
714 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
715 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
716 (HSPACE_BEFORE): delete.
717 (TTYPE_TABLE): rearrange.
718 (struct cpp_toklist): update.
720 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
722 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
723 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
724 argument form of AC_DEFINE.
726 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
727 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
728 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
729 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
730 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
732 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
734 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
736 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
737 deduced.h): Use -isystem, not -I, for including system headers.
739 2000-04-24 Nick Clifton <nickc@cygnus.com>
741 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
742 the source register is the frame pointer or arg pointer.
743 (addsi3_small_int): Disallow if source register is the frame
744 pointer or arg pointer.
746 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
748 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
749 call to AC_MSG_RESULT.
751 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
753 * invoke.texi: Correct grammatical errors, document
754 -fno-gnu-keywords as identical to -fno-asm for C++.
756 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
758 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
759 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
760 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
761 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
762 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
764 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
765 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
766 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
767 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
770 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
772 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
773 (pop_alignment): Likewise.
774 (handle_pragma_token): Likewise.
776 2000-04-24 Robert Lipe <robertlipe@usa.net>
778 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
780 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
782 * combine.c (try_combine): Update reg_nonzero_bits of
783 newi2pat before newpat.
785 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
787 * loop.c (strength_reduce): Simplify test to INSN_P.
788 (record_giv): Attempt to simplify the add value, use CONSTANT_P
789 expressions instead of CONST_INT.
790 (express_from_1): Likewise.
792 2000-04-24 Mark Mitchell <mark@codesourcery.com>
794 * regs.h (reg_n_max): Don't declare.
795 * flow.c (reg_n_max): Don't define.
796 * regclass.c (renumber): Don't initialize to zero.
797 (regno_allocated): Likewise.
799 (allocate_reg_info): Don't initialize unnecessarily.
801 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
803 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
804 and blockage_p in the newly allocated attribute.
806 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
808 * config/mn10300/mn10300.md (addsi): `inc4' on address
809 registers does not modify cc, but `inc' on an extended
812 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
814 * reload.c (find_equiv_reg): Checks all valueno regs
815 as a reload_reg_p regs.
817 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
819 * cpphash.c (collect_objlike_expansion): Add sanity check.
820 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
821 the buffer is the empty string, return. Mark __DATE__ and
822 __TIME__ as XCONST nodes, not MCONST.
823 (_cpp_macroexpand): Avoid pushing an empty buffer.
824 (funlike_macroexpand): Don't pop token_buffer here.
826 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
828 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
829 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
830 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
831 (REGNO_OK_FOR_BASE_P): Define in terms of them.
832 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
833 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
834 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
836 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
838 * loop.c (simplify_giv_expr): Be more agressive on simplifying
841 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
843 * cpphash.h (struct definition): Move file, line, col members...
844 (struct hashnode): ... here. Also add 'disabled' flag.
845 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
846 T_IDENTITY. Remove T_DISABLED.
849 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
850 (collect_expansion): Split into collect_objlike_expansion and
851 collect_funlike_expansion.
852 (_cpp_macroexpand): Split out scan_arguments, stringify, and
854 (_cpp_compare_defs): Rename compare_defs, make static.
855 (_cpp_make_hashnode): Initialize hp->disabled.
856 (macro_cleanup): Adjust for new token types. Clear
858 (_cpp_create_definition): Move code here to determine what
859 sort of macro it is, and code to check for redefinitions, from
860 do_define. Implement a few simple cases without creating a
862 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
863 Handle the simple cases.
864 (push_macro_expansion): Set buf->has_escapes and hp->disabled
867 * cppinit.c (builtin_array): Change MCONST to XCONST
869 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
870 fix check for disabled and function-like macros.
871 * cpplib.c (do_define): Move most logic to
872 _cpp_create_definition.
873 (do_undef): Handle new special token types.
875 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
877 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
878 of CONSTANT_P for mult_val; always use validate_change to update insn.
880 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
882 * cpphash.c (trad_stringify, add_pat): New functions.
883 (collect_expansion): Restore support for -traditional syntax.
884 Use trad_stringify and add_pat.
885 (_cpp_macroexpand): Restore support for -traditional semantics.
886 * cpplex.c (_cpp_scan_line): Don't change space_before if we
888 (_cpp_lex_token): Provide COMMENT tokens to caller if
889 traditional and parsing_define_directive.
890 (skip_comment): Warn about // comments if -Wtraditional.
891 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
893 (do_undef): Don't warn about undefining EMPTY nodes.
895 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
897 * loop.c (strength_reduce): Fix biv removal code.
899 2000-04-22 Richard Henderson <rth@cygnus.com>
901 * predict.c (estimate_probability): Examine both sides of
902 a branch for no exits. Use 90% not 50% for predict taken.
903 Reorg for one copy of note generation code.
905 2000-04-22 Richard Henderson <rth@cygnus.com>
907 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
909 2000-04-22 Richard Henderson <rth@cygnus.com>
911 * diagnostic.c (init_output_buffer): Don't initialize format_args.
912 (output_clear): Likewise.
913 (output_printf): Use va_copy.
914 (vline_wrapper_message_with_location): Likewise.
915 (v_message_with_decl): Likewise.
916 (line_wrapper_printf): VA_START infor buffer.format_args directly.
917 * system.h (va_copy): Provide default implementation.
919 2000-04-22 Richard Henderson <rth@cygnus.com>
921 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
922 the collected condition is not a constant.
924 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
926 * diagnostic.h: New file.
928 * Makefile.in (diagnostic.o): Depends on diagnostic.h
930 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
931 various function prototypes.
932 (diagnostic.h): #include.
933 (struct output_buffer): Move into diagnostic.h.
934 (get_output_prefix): Rename to output_get_prefix. Export.
935 (init_output_buffer): Export. Break out. Ajust intialization.
936 (output_space_left, output_append): Export.
937 (output_newline): Rename to output_add_newline. Export.
938 (output_clear): Nullify additional output_buffer fields.
939 (output_puts): Rename to output_add_string. Export.
940 (dump_output): Rename to output_flush_on. Export.
941 (build_location_prefix): Constify return-type.
942 (emit_output_prefix): Rename to output_emit_prefix. Export.
943 (set_real_maximum_length): New function.
944 (output_set_maximum_length): Ditto
945 (output_clear): Ditto.
946 (output_add_character): Ditto.
947 (output_add_integer): Ditto.
948 (output_add_space): Ditto.
949 (output_format): Ditto.
950 (output_printf): Adjust buffer initialization.
951 (vline_wrapper_message_with_location): Ditto.
952 (v_message_with_decl): Ditto. Adjust call to output_puts
953 and get_output_prefix.
954 (default_print_error_function): Adjust buffer intialization.
956 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
958 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
961 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
963 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
966 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
968 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
969 accurate data about SP moves.
971 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
973 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
974 aliases to AM33 registers.
976 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
978 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
979 to all EXTENDED bitmaps.
981 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
983 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
984 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
985 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
987 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
989 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
990 the operand is not constant.
992 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
994 * reload.c (find_equiv_reg): Checks all valueno and regno regs
995 as a call-clobbered regs.
997 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
999 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1001 * rtl.def: Update comment.
1002 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1003 * integrate.c (expand_inline_function): Likewise.
1004 * profile.c (branch_prob): Likewise.
1005 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1006 * print-rtl.c (print_rtx): Likewise.
1007 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1008 (reemit_notes): Likewise; also use enum insn_note.
1010 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1011 (place_field): Properly compute know and actual alignment.
1013 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1016 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1019 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1021 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1022 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1023 (collect_expansion): Rewrite to scan over a token list.
1024 Remove -traditional support.
1025 (collect_formal_parameters): Rename to collect_params; rewrite
1026 to scan over a token list.
1027 (_cpp_create_definition): Adjust to scan a token list.
1028 (_cpp_macroexpand): Remove -traditional support.
1029 (_cpp_compare_defs): Whitespace is now canonicalized.
1030 (comp_def_part): Delete function.
1032 * cpphash.h: Update prototypes.
1033 * cpplex.c (init_token_list): Don't set lineno if there is no
1035 (pedantic_whitespace): New function.
1036 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1037 consume a newline. Use pedantic_whitespace.
1038 (_cpp_lex_token): Remove support for -traditional macros.
1039 (_cpp_get_define_token): Delete.
1040 (_cpp_get_directive_token): Do the real work here. Use
1041 pedantic_whitespace.
1042 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1044 * cpplib.c (get_macro_name): Delete.
1045 (do_define): Read the entire line into pfile->directbuf, then
1046 feed the token list to _cpp_create_definition.
1047 * cpplib.h (HSPACE_BEFORE): new define.
1048 (struct cpp_reader): Add a toklist member, "directbuf".
1050 * predict.c (estimate_probability): New heuristic: if a jump
1051 branches around a block with no successors, predict it taken.
1052 Disentangle control flow.
1054 2000-04-20 Richard Henderson <rth@cygnus.com>
1056 * loop.c (emit_iv_add_mult): Revert last change.
1058 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1060 * cpplib.h (enum cpp_ttype): Add token types for all
1061 punctuators. Distinguish pp-numbers from valid C numbers.
1062 Give some tokens better names. Initialize from macro.
1063 (struct cpp_name, cpp_token, cpp_toklist): New data
1066 * cpplex.c (bump_column, expand_name_space,
1067 expand_token_space, init_token_list, cpp_output_list,
1068 _cpp_scan_line): New functions.
1069 (output_line_command): Add third argument, new line number.
1070 * cpphash.h: Update prototypes.
1071 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1074 2000-04-20 Richard Henderson <rth@cygnus.com>
1076 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1078 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1080 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1083 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1085 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1086 REG_EQUAL note explaining the calculated value.
1088 * calls.c (expand_call): Avoid unnecesary precalculation
1089 and outgoing parameters space guarding for sibling calls.
1090 (store_one_arg): Likewise.
1092 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1094 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1095 (rest_of_compilation): Write sibling dump file and account
1096 for time as jump time.
1097 * invoke.texi: Update documentation on dump flags.
1099 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1101 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1103 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1105 * cpphash.c (special_symbol): Represent an empty macro with
1106 "\r \r " not just "\r ".
1107 (_cpp_macroexpand): Correct condition for the foo ( ) special
1109 (unsafe_chars): Handle EOF as second argument.
1110 (push_macro_expansion): Simplify test for removing escape at
1111 end. Do not trim both escapes if there is no text in between.
1113 2000-04-19 Jim Blandy <jimb@redhat.com>
1115 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1116 of PTR_SIZE, when appropriate.
1118 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1120 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1121 (USE_ENUM_BITFIELDS): Fix typo.
1123 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1125 * stor-layout.c (place_field): Set rli->offset_align properly.
1127 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1129 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1130 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1131 PARM_BOUNDARY): Remove unnecessary casts.
1133 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1135 * calls.c (precompute_arguments): Remove must_preallocate and
1137 (expand_call): Update call of precompute_arguments.
1139 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1140 check_insn_for_givs): Break out from ...
1141 (strength_reduce) ... here; use for_every_insn_in_loop to call
1142 check_insn_for_givs.
1143 * loop.h (for_every_insn_in_loop): Declare.
1144 (loop_insn_callback): New type.
1146 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1148 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1151 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1153 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1156 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1158 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1160 * configure.in: Delete --disable-cpplib option and all
1161 references to cpp_main.
1162 * configure: Regenerate.
1163 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1164 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1165 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1166 cpp$(exeext). Add --no-headers to makeinfo command line when
1167 generating INSTALL. Install and uninstall cpp.1 manpage, not
1169 * install.texi: Delete all references to cexp.y/cexp.c.
1170 Delete ancient instructions for compiling GCC on 3b1.
1171 * INSTALL: Regenerate.
1173 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1174 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1175 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1177 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1178 which is no longer tested anywhere.
1180 * cppinit.c (handle_option): Don't run error message through
1183 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1185 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1186 * cpperror.c (hashtab.h): Now include.
1187 * cppexp.c (hashtab.h): Likewise.
1188 * cpplex.c (hashtab.h): Likewise.
1189 * cppfiles.c (hashtab.h): Likewise.
1190 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1191 to htab_find_slot_with_hash.
1192 * cpphash.c (hashtab.h): Now include.
1193 (_cpp_lookup_slot): INSERT is now enum insert_option.
1194 * cpphash.h (_cpp_lookup_slot): Likewise.
1195 * cppinit.c (hashtab.h): Include earlier.
1196 (initialize_builtins): Pass enum to htab_find_slot.
1197 * cpplib.c (hashtab.h): Now include.
1198 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1199 (do_pragma_poison, do_assert): Likewise.
1200 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1201 htab_find_slot_with_hash.
1202 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1203 * tree.c (type_hash_add): Likewise.
1204 (build1): Minor cleanup.
1206 * ggc-common.c: Add missing blanks.
1207 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1208 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1210 * stmt.c (mark_case_node): New function.
1211 (mark_case_nesting): Call it.
1213 * expmed.c (emit_store_flag): If comparing two-word integer
1214 with zero, can optimize NE, EQ, GE, and LT.
1216 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1217 * conflict.c: Minor cleanups.
1218 * optabs.c: Add blank line
1219 * simplify-rtx.c: Minor cleanups.
1221 2000-04-18 Stan Cox <scox@cygnus.com>
1223 * gengenrtl.c (genlegend): Fix misspelling.
1225 2000-04-18 Robert Lipe <robertlipe@usa.net>
1227 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1228 bitfields of the host compiler are not signed quantities.
1229 * config.in: Regenerate.
1230 * configure: Regenerate.
1231 * system.h (USE_ENUM_BITFIELDS): Added.
1232 (ENUM_BITFIELDS): Added.
1233 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1234 (SHORT_ENUM_BUG): Deleted.
1235 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1237 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1238 (CODE_FIELD_BUG): Likewise.
1239 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1241 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1243 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1245 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1248 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1250 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1251 * cpplib.c (do_include, do_import, do_include_next,
1252 read_line_number, detect_if_not_defined): Likewise.
1253 * cpphash.c (collect_expansion): Likewise.
1254 (special_symbol, _cpp_macroexpand): Check return from
1256 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1257 macros. Delete all uses.
1259 * gcc.dg/cpp-mi.c: Add two more test cases.
1260 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1262 2000-04-17 Richard Henderson <rth@cygnus.com>
1264 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1265 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1267 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1269 * function.c (expand_function_start): Use hard_function_value to
1270 compute the RTL to use for DECL_RESULT.
1272 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1274 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1275 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1276 x86_memory_mismatch_stall): New global variables.
1277 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1278 alloved; fix load penalties for Athlon.
1279 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1280 x86_memory_mismatch_stall): Declare.
1281 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1282 TARGET_MEMORY_MISMATCH_STALL): New.
1283 * i386.md (athlon scheduling parameters): Fix latencies according to
1284 Athlon Optimization Manual.
1285 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1287 (fsqrt instruction patterns): Set athlon_decode to direct.
1288 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1289 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1290 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1291 and TARGET_PARTIAL_REGISTER_STALL machines.
1292 (pushdf_nointeger): New pattern.
1293 (pushdf_integer): Rename from pushdf.
1294 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1295 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1297 2000-04-17 Richard Henderson <rth@cygnus.com>
1299 * loop.c (canonicalize_condition): Add WANT_REG argument.
1300 Stop the search if we match it.
1301 * expr.h (canonicalize_condition): Update decl.
1302 * predict.c (expected_value_to_br_prob): Use it. Track last
1303 expected value note.
1304 (find_expected_value): Remove.
1306 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1308 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1310 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1311 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1313 * configure.in: Call AC_FUNC_MMAP_FILE.
1314 * configure: Regenerate.
1315 * config.in: Regenerate.
1317 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1318 * fixinc/fixincl.c: Likewise.
1320 2000-04-17 Richard Henderson <rth@cygnus.com>
1322 * builtins.c (expand_builtin_expect): New.
1323 (expand_builtin): Call it.
1324 * builtins.def (BUILT_IN_EXPECT): New.
1325 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1326 * extend.texi: Document it.
1328 * predict.c (expected_value_to_br_prob): New.
1329 (find_expected_value): New.
1330 * basic-block.h (expected_value_to_br_prob): Declare.
1331 * toplev.c (rest_of_compilation): Invoke it.
1333 * rtl.h (NOTE_EXPECTED_VALUE): New.
1334 (NOTE_INSN_EXPECTED_VALUE): New.
1335 * rtl.c (note_insn_name): Update.
1336 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1337 cases; handle NOTE_INSN_EXPECTED_VALUE.
1339 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1341 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1342 leaf sibcall delay slot if flag_pic.
1343 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1345 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1347 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1349 * fixproto: If fix-header fails, exit with an error.
1351 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1353 * cse.c (struct check_depdendence_data): New.
1354 (check_dependence): New function.
1355 (invalidate): Use check_depdenence.
1357 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1359 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1360 UNITS_PER_WORD is unsigned.
1362 * tree.h (struct tree_common): Remove misleading comment.
1364 2000-04-16 Dave Pitts <dpitts@cozx.com>
1366 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1367 message in quotes. Otherwise, IBM's make program treats the '#' as the
1368 start of a comment and ignores the remainder of the line.
1370 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1372 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1373 * cexp.y (initialize_random_junk): Likewise.
1374 * cppfiles.c (find_include_file): Cast alloca return value.
1375 * cppinit.c (initialize_standard_includes): Likewise.
1376 * cpplib.c (cpp_define, cpp_undef): Likewise.
1377 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1378 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1379 * fold-const.c (CHARMASK): New.
1380 (real_hex_to_f): Use it.
1381 * real.c (CHARMASK): New.
1382 (etoasc, asctoeg): Use it.
1383 (asctoeg): EBCDIC lower case characters preceed upper case.
1385 * i370.c (mvs_add_label): Change spacing for coding conventions.
1386 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1387 outputing case vectors.
1388 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1389 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1390 since vector in in the data CSECT.
1391 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1392 * i370.md (Many patterns): Put the length in the XL directives.
1393 (movdi): Put back STM and MVC in definition.
1394 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1395 pattern using the TCA.
1396 * oe.h (CPP_SPEC): Added to allow trigraphs.
1397 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1398 not support the "long long" type.
1400 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1402 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1404 (mips_reg_mode_ok_for_base_p): Likewise.
1405 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1406 (REG_OK_FOR_INDEX_P): Define unconditionally.
1407 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1408 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1409 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1410 that GET_MODE_SIZE is unsigned.
1411 (mips_reg_mode_ok_for_base_p): Define.
1412 (mips_legitimate_address_p): Likewise. Adjust now
1413 that GET_MODE_SIZE is unsigned.
1414 (block_move_loop): Make the number of bytes unsigned.
1415 (expand_block_move): Likewise.
1416 (function_arg): Make the loop counter unsigned to match the
1419 2000-04-16 Richard Henderson <rth@cygnus.com>
1421 * rtl.h (enum insn_note): New enumeration. Subsume
1422 NOTE_INSN_DELETED and friends.
1423 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1424 * rtl.c (note_insn_name): Tweak string order.
1426 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1428 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1431 * cpplex.c (output_line_command): Remove debugging prints.
1432 (cpp_output_tokens): Don't write out a zero-length buffer or
1433 try to see if it has a newline in it.
1434 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1435 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1436 the end of the loop. Use memmove. Don't read past the end of
1437 the buffer. Remove trailing newlines from error messages.
1439 2004-04-16 Neil Booth <NeilB@earthling.net>
1441 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1442 * cpplib.c: Add new syntax flags to directive table, and
1445 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1447 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1450 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1452 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1453 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1455 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1457 * Makefile.in (ggc-page.o): Now includes toplev.h.
1458 * ggc-page.c (toplev.h): Now included.
1459 (gc_time): Remove declaration.
1460 (ggc_collect): TIME now long.
1461 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1463 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1465 * toplev.c: Make *_time variable long to reduce chance of overflow.
1466 (TIMEVAR): Likewise for `otime'.
1467 (print_time): Arg is now long; compute percentage in FP and round.
1468 * toplev.h (print_time): Arg is long.
1470 * tree.c: Minor whitespace changes.
1472 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1473 * configure: Rebuilt.
1474 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1475 (__fixunsxfDI): Renamed from __fixunsxfdi.
1476 (__fixunsdfDI): Renamed from __fixunsdfdi.
1477 (__fixunssfDI): Renamed from __fixunssfdi.
1478 (__floatdisf): Use proper type in REP_BIT macro.
1479 (__fixunsxfSI): Renamed from __fixunsxfsi.
1480 (__fixunsdfSI): Renamed from __fixunsdfsi.
1481 (__fixunssfSI): Renamed from __fixunssfsi.
1482 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1483 Change location of macros and upper-case some names as above.
1484 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1485 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1487 * varasm.c (assemble_variable): Add cast to remove warning.
1488 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1490 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1491 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1492 region number to -1.
1494 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1496 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1497 call unshare_all_rtl.
1499 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1501 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1503 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1504 Use .s1 not .s0 for all FP instructions.
1506 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1508 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1510 (safe_fwrite, output_line_command): New static functions.
1511 (cpp_expand_to_buffer): Now private to cpplib.
1512 (cpp_scan_buffer): Take a printer.
1514 * cpphash.h: Update prototypes.
1515 * cpplib.h: Update prototypes.
1517 (cpp_buffer): Remove last_nominal_fname.
1518 (cpp_reader): Remove lineno.
1520 * cppmain.c: Use a cpp_printer.
1521 * fix-header.c: No need to inhibit line commands. Call
1522 cpp_start_read with no printer.
1524 * cpperror.c (cpp_notice_from_errno): Provide default name.
1525 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1526 (find_include_file, cpp_read_file): Use make_IHASH.
1527 (file_cleanup): Set control_macro and clear
1528 input_stack_listing_current here.
1529 (_cpp_execute_include): Don't output entering-file marker.
1530 * cpphash.c (special_symbol): Look for the line number in the
1531 buffer, not the reader.
1532 (_cpp_macroexpand): No need to disable line commands.
1533 (_cpp_dump_definition): No need to generate line commands.
1534 (dump_hash_helper): Remove excess newline from output.
1535 * cppinit.c (dump_special_to_buffer): No need to generate line
1537 (cpp_printer_init): New.
1538 (cpp_start_read): Take a printer, and start it up if it's not
1539 NULL. No need to generate line commands.
1540 (cpp_finish): Expect no buffers stacked at all. Take a
1541 printer argument, and flush the output buffer if it's not
1543 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1544 Don't put two hashes at the beginning of an assertion.
1545 (cpp_get_token): Don't increment pfile->lineno or emit line
1546 commands here. Return EOF if there's no buffer when we get
1548 * cpplib.c (do_define, skip_if_group):
1549 No need to disable line commands.
1550 (_cpp_output_line_command): Delete function.
1551 (do_line): Don't emit line commands here, but set things up so
1552 they will be emitted if necessary. Use _cpp_fake_ihash to
1553 make unique nominal_fnames if necessary.
1554 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1555 with 0 for column, not -1.
1556 (_cpp_handle_eof): Don't set the control macro here. Don't
1557 clear input_stack_listing_current here. Don't emit line
1560 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1562 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1563 always, use the default SVR4 start address.
1565 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1566 (LINK_SHLIB_SPEC): Define.
1567 (LINK_START_DEFAULT_SPEC): Define.
1568 (LINK_OS_DEFAULT_SPEC): Define.
1570 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1572 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1573 __do_global_ctors to handle constructors.
1574 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1575 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1576 (STARTFILE_MVME_SPEC): Likewise.
1577 (STARTFILE_SIM_SPEC): Likewise.
1578 (ENDFILE_ADS_SPEC): Use crtend.
1579 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1580 (ENDFILE_MVME_SPEC): Likewise.
1581 (ENDFILE_SIM_SPEC): Likewise.
1582 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1583 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1584 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1585 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1586 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1587 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1588 (CRTSTUFF_T_CFLAGS_S): Define.
1589 * config/rs6000/eabi-ctors.c: Delete.
1591 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1594 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1598 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1600 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1601 plus mask size is smaller or equal to the mode size.
1603 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1605 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1608 * expr.c (reload.h): Now included.
1609 (emit_block_move): Set volatile_ok when checking for movstr.
1610 (emit_move_1): Check for replacements in addresses in multi-word case.
1611 * Makefile.in (expr.o): Now includes reload.h.
1613 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1614 Never have a LIBCALL end a basic block.
1615 (find_basic_blocks_1): Likewise.
1616 Reorganize CALL_INSN cases.
1618 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1620 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1622 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1623 completers from mov.ret instruction.
1625 2000-04-14 Richard Henderson <rth@cygnus.com>
1627 * fold-const.c (extract_muldiv): Don't distribute and widen
1628 multiply across plus for non-sizetype unsigned types.
1630 2000-04-14 Richard Henderson <rth@cygnus.com>
1632 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1633 If the original source is dead in the incr insn, it's dead now.
1635 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1637 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1638 see if DECL_BIT_FIELD needs to still be set.
1640 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1642 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1643 print_int_cst_octal with something that's not an INTEGER_CST.
1645 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1646 and not a SUBREG to a FLOAT rtl.
1648 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1650 * emit-rtl.c (try_split): Avoid infinite loop if the split
1651 results in a sequence that contains the original insn.
1653 2000-04-13 Andreas Jaeger <aj@suse.de>
1655 * config/mips/mips.c (expand_block_move): Pass alignment
1656 argument to move_by_pieces in bits, not bytes.
1658 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1659 __pic__ for little endian.
1661 2000-04-13 Andreas Jaeger <aj@suse.de>
1663 * config/i386/i386-protos.h: Add prototype for
1664 uno_comparison_operator.
1666 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1668 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1669 * calls.c (ECF_PURE): New flag.
1670 (emit_call_1): Handle ECF_PURE calls.
1671 (initialize_argument_information): Unset ECF_PURE flag too.
1672 (precompute_arguments): Precompute for ECF_PURE too.
1673 (expand_call): Handle ECF_PURE calls too.
1674 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1675 accept value of 2 as pure function.
1676 (emit_library_call_value, emit_library_call): Rename no_queue argument
1678 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1680 * tree.h (DECL_IS_PURE): New macro.
1681 (struct tree_decl): Add pure_flag.
1682 * c-common.c (enum attrs): Add attribute "pure".
1683 (init_attributes): Initialize attribute "pure"
1684 (decl_attributes): Handle attribute "pure".
1685 * extend.texi (Attribute "pure"): Document.
1686 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1688 (flags_from_decl_or_type): Support attribute "pure".
1690 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1692 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1693 the token except for numbers and identifiers.
1695 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1697 * i386.c (ix86_expand_binary_operator,
1698 ix86_expand_unary_operator): Check no_new_pseudos
1699 instead of reload_in_progress and reload_completed.
1700 (ix86_split_ashldi, ix86_split_ashrdi,
1701 ix86_split_lshrdi): Check no_new_pseudos instead
1702 of reload_completed.
1704 2000-04-12 Jeffrey A Law (law@cygnus.com)
1706 * function.c (purge_addressof): Unshare any shared rtl created by
1707 purge_addressof and its children.
1709 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1711 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1714 2000-04-05 Andreas Jaeger <aj@suse.de>
1716 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1717 not compiling PIC code, add flags for mabi=64.
1718 (SUBTARGET_CPP_SIZE_SPEC): New.
1719 (SUBTARGET_CPP_SPEC): New.
1720 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1721 for MIPS/Linux and lots of code needs these defines.
1723 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1725 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1726 trying the "opposite arithmetic" approach.
1728 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1730 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1731 (struct sh_args): Add new field force_mem.
1732 (INIT_CUMULATIVE_ARGS): Initialize it.
1733 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1735 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1737 * calls.c (expand_call): Do not reverse args in "equal from" field.
1738 (emit_library_call_value_1): Emit_libcall_block for const and pure
1741 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1743 * reload1.c (reload_combine): Don't enable optimization for fixed
1744 registers when encountering a BARRIER.
1746 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1748 * builtins.c (expand_builtin_memcmp): Do expansion even with
1749 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1751 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1752 stack is propertly aligned; add sanity checking for aligned
1754 (expand_library_call_value_1): Add sanity checking for aligned
1757 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1759 * calls.c (emit_library_call_value_1): Change 3rd arg to
1760 locate_and_pad_parm to disregard the setting of partial.
1762 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1764 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1766 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1767 CALL_INSN from the normal case.
1769 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1771 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1772 New global variables.
1773 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1775 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1777 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1778 TARGET_ADD_ESP_8): New macros.
1779 * i386.md: Add peep2s to convert esp adjustments to push and pop
1781 (pushsi_prologue, popsi_epilogue): New patterns.
1783 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1785 * real.c (toe64): Remove stale #endif from the last change.
1787 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1789 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1790 * real.c (toe64): Revert previous change.
1792 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1794 * objc/objc-act.c: Include ggc.h.
1795 (objc_tree_index, objc_global_trees): Convert most of the
1796 static tree variables into a static array with previous names
1798 (objc_ellipsis_node): New variable.
1799 (lang_init): Call objc_act_parse_init and c_parse_init.
1800 Create objc_ellipsis_node.
1801 (build_selector_translation_table): Use objc_ellipsis_node instead
1803 (hack_method_prototype): Likewise.
1804 (get_arg_type_list): Likewise.
1805 (start_method_def): Likewise.
1806 (continue_method_def): Likewise.
1807 (gen_method_decl): Likewise.
1808 (ggc_mark_imp_list): New function.
1809 (ggc_mark_hash_table): New function.
1810 (objc_act_parse_init): New function.
1811 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1812 * c-parse.in (c_parse_init): For objc add roots of objc specific
1813 local tree variables.
1814 * objc/objc-parse.y: Rebuilt.
1815 * objc/objc-parse.c: Rebuilt.
1816 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1818 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1820 * cse.c (delete_trivially_dead_insns): Also delete insns
1821 that copy a register to itself where the destination is
1824 2000-04-11 Richard Henderson <rth@cygnus.com>
1826 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1827 (propagate_block): Initialize them. Use them in parallel instead
1828 of one tmp variable, ie revert much of the 0408 and 0407 functional
1829 changes, but keep the structural changes.
1830 (mark_set_regs): Take new_dead from propagate_block_info instead.
1831 (mark_set_1, mark_set_reg): Likewise.
1832 (mark_used_regs): Likewise with new_live.
1833 (mark_used_reg): Likewise. Revert 0408 change.
1835 2000-04-11 Nick Clifton <nickc@cygnus.com>
1837 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1839 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1841 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1843 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1844 const section to output a CONSTRUCTOR based on the same conditions
1847 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1849 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1850 * pa/pa-protos.h (output_call): Add additional argument indicating
1851 if the call is a sibling/tail call.
1852 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1853 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1854 (function_arg, function_arg_partial_nregs): Likewise
1855 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1856 (emit_move_sequence): Zero extend certain constants as needed
1858 (compute_zdepdi_operands, output_64bit_and): New functions.
1859 (output_64bit_ior, function_arg): Likewise.
1860 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1861 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1862 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1863 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1864 (output_bvb): Likewise.
1865 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1866 (output_call): New argument 'sibcall'. Generate sibcall sequences
1868 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1869 (ouput_arg_descriptor): Do not emit argument descriptors for
1871 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1873 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1874 (FUNCTION_OK_FOR_SIBALL): Define.
1875 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1876 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
1877 (CPP_SPEC): Use new spec infrastructure.
1878 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
1879 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
1880 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
1881 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
1882 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
1883 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
1884 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
1885 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
1886 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
1887 (FUNCTION_ARG); Call out to C code.
1888 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
1889 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
1890 (MIN_UNITS_PER_WORD): Likewise.
1891 * pa/pa.md (cmpdi): New expander.
1892 (scc patterns, movstrsi): Not available for TARGET_64BIT.
1893 (64bit conditional arithmetic): New patterns.
1894 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
1895 (movsicc): Not available if modes on all the operands to not match.
1896 (movdicc): New expander and associated patterns.
1897 (64bit branches): New patterns.
1898 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
1899 (pre_ldd, post_std): New patterns.
1900 (64bit addil, load low part): New patterns.
1901 (special movsf constant): Not available for TARGET_64BIT.
1902 (movsf, movdf expanders): Force constants into memory.
1903 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
1904 (64bit movdf/movdi patterns): New patterns.
1905 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
1907 (extendqidi2, extendhidi2, extendsidi2): Similarly.
1908 (adddi3 expander): Allow "arith_operand" for second input.
1909 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
1910 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
1911 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
1912 (muldi3): New expander for TARGET_64BIT.
1913 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
1915 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
1916 patterns for TARGET_64BIT.
1917 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
1918 patterns for TARGET_64BIT.
1919 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
1920 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
1921 (sibcall_epilogue): New expander.
1922 (casesi): Tweak for TARGET_64BIT.
1923 (call expanders): Set & use the outgoing argument pointer. Use the
1924 64bit call patterns as needed. Add additional arg to output_call.
1925 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
1926 (sibcall, sibcall_internal_symref): New expanders.
1927 (sibcall_value, sibcall_value_internal_symref
1928 (interspace_jump): Turn into an expander + matching patterns.
1929 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
1930 * pa/pa64-regs.h: Eliminate trigraph sequences.
1931 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
1933 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
1935 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
1936 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
1937 cpp_token with cpp_ttype everywhere.
1938 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
1939 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
1940 CPP_BUF_COL. Line and column numbers are unsigned int, not
1942 * cpplex.c (cpp_buf_line_and_col): Delete.
1943 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
1944 'long lineno' to 'unsigned int lineno'.
1945 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
1947 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1949 * extend.texi: ISO C99 is not a draft anymore.
1950 * invoke.texi: ISO C++ is not a draft anymore.
1951 * cpp.texi: __cplusplus is required by the ISO standard.
1953 * extend.texi (-fthis-is-variable): Undocument.
1954 * flags.h (warn_template_debugging): Remove declaration.
1955 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
1956 -Wenum-clash, -Wtemplate-debugging): Undocument.
1958 2000-04-10 Nick Clifton <nickc@cygnus.com>
1960 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
1962 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
1964 (ARM_SIGN_EXTEND): Use HOST_UINT.
1965 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
1966 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
1967 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
1968 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
1970 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
1971 (arm_gen_constant): Use HOST_UINT.
1972 (arm_canonicalize_constant): Use HOST_UINT.
1973 (arm_reload_in_hi): Use HOST_UINT.
1974 (arm_reload_out_hi): Use HOST_UINT.
1975 (output_multi_immediate): Use HOST_UINT.
1976 (int_log2): Use HOST_UINT.
1977 (arm_poke_function_name): Use HOST_UINT.
1978 (arm_output_epilogue): Use arm_volatile_func().
1979 (output_thumb_prologue): Use arm_strip_name_encoding().
1981 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1983 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
1984 of sequence point problems.
1986 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
1988 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
1990 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
1992 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1994 * sbitmap.h: Whitespace changes and use upper-case macro args.
1995 (struct simple_bitmap_def): All sizes now unsigned.
1996 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
1997 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
1998 (sbitmap_vector_alloc): Parms and local vars now unsigned.
1999 (sbitmap_zero): Cast bzero arg to PTR.
2000 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2001 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2002 loop to make structure clearer.
2003 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2004 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2005 (sbitmap_a_and_b_or_c): Likewise.
2006 (sbitmap_intersection_of_succs): Minor cleanups.
2007 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2008 (sbitmap_union_of_preds): Likewise.
2009 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2010 (debug_sbitmap): New function.
2012 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2013 * c-typeck.c (convert_for_assignment): Likewise.
2015 * expmed.c (init_expmed): Don't free objects we make.
2016 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2018 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2019 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2021 * gcse.c (expr_hash_table_size): Now unsigned.
2022 (compute_ae_gen): Local variable `i' now unsigned.
2023 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2024 (compute_transout, hoist_code): Likewise.
2025 (compute_local_properties): Likewise, also hash_table_size.
2026 (alloc_expr_hash_table): N_INSNS now unsigned.
2027 (delete_null_pointer_checks): Mark arg F as unused.
2029 * regrename.c: Minor cleanups, including chang some variables
2032 2000-04-10 Neil Booth <NeilB@earthling.net>
2034 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2036 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2038 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2040 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2041 __classof__, and __headof__ from the list of gnu keywords.
2042 (-ansi): Remove -foperator-names from list of implied options.
2043 Do not call it ANSI C++.
2044 (-foperator-names): Document as -fno-operator-names.
2046 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2048 * cpphash.c (timestamp): Delete.
2049 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2050 (special_symbol): Remove unnecessary braces. Remove
2051 T_VERSION. Treat T_STDC like T_CONST unless
2052 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2053 when one is encountered, then convert them into T_MCONST
2055 * cppinit.c (builtin_array): version_string is T_MCONST.
2056 __STDC__ has a "1" in its cpval. Don't have a terminator
2057 entry. Clean up which entries are dumped.
2058 (initialize_builtins): Only __STDC__ gets the special
2059 -traditional treatment. Count the length of builtin_array.
2060 Render version_string here.
2061 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2062 * cpplib.h (struct cpp_reader): Remove timebuf.
2064 2000-04-09 Richard Henderson <rth@cygnus.com>
2066 * genrecog.c (pred): Update comparison_operator for the unordered
2069 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2071 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2072 (uno_comparison_operator): New.
2073 (put_condition_code): Handle UNORDERED/ORDERED.
2074 (unsigned_comparison): Likewise.
2075 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2076 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2077 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2078 update all callers. Handle all 8 unordered operators.
2079 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2080 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2081 * config/i386/i386.h (PREDICATE_CODES): Update.
2082 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2083 (ix86_expand_branch, ix86_expand_setcc): Update.
2084 * config/i386/i386.md (sunordered, sordered): New.
2085 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2086 (bunordered, bordered): New.
2087 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2088 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2089 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2091 2000-04-09 Philip Blundell <philb@gnu.org>
2093 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2095 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2097 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2098 fix_truncxfhi2): New patterns.
2099 * i386.c (output_fix_trunc): Handle converting to HImode.
2101 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2103 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2105 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2106 (for_each_successor_phi): Change parameter to basic_block.
2107 (coalesce_regs_in_successor_phi_nodes): Likewise.
2108 (coalesce_regs_in_copies): Likewise.
2109 (compute_coalesced_reg_partition): Use basic_block instead of index.
2110 * rtl.h (convert_to_ssa): Delete.
2111 (convert_from_ssa): Likewise.
2112 (successor_phi_fn): Likewise.
2113 (for_each_successor_phi): Likewise.
2114 (in_ssa_form): Likewise.
2115 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2116 (convert_from_ssa): Likewise.
2117 (successor_phi_fn): Likewise.
2118 (in_ssa_form): Likewise.
2119 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2120 * flow.c (calculate_global_regs_live): Pass a basic_block to
2121 for_each_successor_phi.
2123 2000-04-08 Richard Henderson <rth@cygnus.com>
2125 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2126 was modified in the current insn.
2128 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2130 * arm/thumb.md: Delete.
2131 * arm/thumb-protos.h: Delete.
2133 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2135 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2137 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2139 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2142 * arm.md (nop): Use the standard RTL expression. Don't code as a
2144 (*arm_nop, *thumb_nop): Delete.
2146 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2147 constants. Use casts instead.
2148 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2149 output_multi_immediate, arm_poke_function_name): Likewise.
2150 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2151 MASK_RETURN_ADDDR): Likewise.
2153 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2155 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2158 * arm.md (eh_epilogue): New function.
2159 * arm.h (struct machine_function): Move to here ...
2160 * arm.c: ... from here.
2161 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2162 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2163 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2165 2000-03-30 Nick Clifton <nickc@cygnus.com>
2167 * config/arm/semi.h (ASM_SPEC): Restore definition.
2168 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2170 * config/arm/elf.h (ASM_SPEC): Restore definition.
2171 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2173 * config/arm/arm.h (ASM_SPEC): Remove definition.
2174 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2176 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2178 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2180 2000-03-24 Nick Clifton <nickc@cygnus.com>
2182 Various formating tidyups, elimination of compile time
2183 warnings and synchronisation with internal sources:
2185 * config/arm/arm-protos.h (assemble_align): Add prototype.
2186 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2187 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2188 (arm_return_addr_rtx): Rename to arm_return_addr.
2190 * config/arm/arm.c: Include except.h.
2191 Define shorter typenames for strict minipool_node and struct
2193 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2195 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2196 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2198 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2200 (ASM_SPEC): Define if not already defined.
2201 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2203 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2204 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2205 arm_gen_compare_reg.
2206 (indirect_jump): Only accept register operands.
2207 (load_indirect_jump): Keep this pattern since combine can generate
2210 * config/arm/coff.h: Include aout.h.
2211 (MULTILIB_DEFAULTS): Only define if not already defined.
2213 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2214 into arm.h (so that COFF ports can support thumb based aliases).
2215 (ASM_SPEC): Move definition into arm.h
2217 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2218 redundant apcs spec.
2219 (ASM_SPEC): Move definition to arm.h
2221 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2223 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2224 for entries in the .bss section
2226 2000-03-23 Nick Clifton <nickc@cygnus.com>
2228 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2229 to thumb_far_jump_used_p.
2231 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2232 single integer parameter.
2234 * config/arm/arm.c (struct machine_function): Add two new
2235 fields, 'far_jump_used' and 'arg_pointer_live'.
2236 (thumb_far_jump_used_p): Once the decision has been made that
2237 far jumps might be used, always return true.
2238 If being called from the initial elimination offset macro then
2239 do not bother to perform the test if the arg pointer is not
2241 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2242 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2244 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2246 * arm.c (output_return_instruction): Handle more cases where we can
2247 return from a function with an ldr instruction.
2248 (arm_output_epilogue): Likewise.
2250 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2251 if we need to push a large stack frame and there are no callee-saved
2254 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2255 in ARM code if the frame pointer has been eliminated.
2257 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2258 unspec_volatile arguments to avoid duplicates.
2259 (consttable_1, consttable_2): Fixes for big-endian mode.
2261 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2264 Re-write constant pool code.
2265 * arm.c (minipool_node, minipool_fix): New types.
2266 (minifix): Delete type.
2267 (arm_add_minipool_constant): Delete.
2268 (arm_compute_minipool_offsets, arm_find_barrier,
2269 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2270 (get_jump_table_size): Now returns HOST_WIDE_INT.
2271 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2273 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2274 (assign_minipool_offsets, arm_print_value): Likewise.
2275 (dump_minipool): Rewrite.
2276 (arm_barrier_cost): New function.
2277 (create_fix_barrier): New function.
2278 (push_minipool_barrier): New function.
2279 (push_minipool_fix): Record additional information about the fixup
2281 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2282 check the mode of what needs fixing.
2283 (arm_reorg): Rewrite.
2285 2000-03-08 Nick Clifton <nickc@cygnus.com>
2287 * config/arm/arm.md (indirect_jump): Force constant addresses into
2290 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2292 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2294 2000-02-24 Nick Clifton <nickc@cygnus.com>
2296 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2297 adjust is word aligned.
2298 (thumb_expand_epilogue): Make sure that stack adjust is word
2301 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2303 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2305 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2306 pointer relative addresses.
2308 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2310 * arm.c (find_barrier): Find the last barrier within the allowed
2313 2000-02-09 Nick Clifton <nickc@cygnus.com>
2315 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2317 2000-02-09 Nick Clifton <nickc@cygnus.com>
2319 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2320 ARM_FUNCTION_PROFILER.
2322 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2323 ARM_FUNCTION_PROFILER.
2325 * config/arm/linux-oldld.h: Imported from mainline sources.
2327 2000-02-07 Nick Clifton <nickc@cygnus.com>
2329 * config/arm/lib1funcs.asm: Merge in thumb functions from
2332 * config/arm/lib1thumb.asm: Delete.
2334 2000-02-04 Nick Clifton <nickc@cygnus.com>
2336 * config/arm/arm.c: Sychronised with current Red hat local
2338 * config/arm/arm.h: Ditto.
2339 * config/arm/arm-protos.h: Ditto.
2341 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2343 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2345 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2348 2000-02-02 Nick Clifton <nickc@cygnus.com>
2350 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2352 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2353 (return) was emited using an emit_insn() call.
2355 2000-01-31 Nick Clifton <nickc@cygnus.com>
2357 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2359 (thumb_exit): Move frame pointer back into hard frame pointer
2360 register if backtracing is being used.
2362 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2364 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2367 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2369 * config/arm/arm.md (neg_pool_offset): Provide default for new
2371 (arm_movsi_insn): Add neg_pool_offset attribute.
2372 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2373 rtx for the insn that starts the scan and an unsigned long for its
2374 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2375 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2376 instructions in *PINSERTED.
2377 (struct minipool_fixup): Add MIN_ADDRESS elt.
2378 (sort_fixups): Compute it.
2379 (arm_reorg): Changes to support inserting pools before the insn to be
2382 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2384 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2385 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2386 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2388 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2390 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2392 (TARGET_DEFAULT): Do not define if already defined.
2394 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2396 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2397 (iordi3): Allow disjoint source operands.
2398 (xordi3): Allow disjoint source operands.
2399 (negdi2): Permit construction for ARM and Thumb.
2400 (arm_negdi2): Renamed version of old negdi2 pattern.
2401 (thumb_negdi2): New pattern: Only permit non-overlapping
2402 source and destination.
2404 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2406 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2407 scratch low register so that it will not be deleted.
2409 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2411 * config/arm/pe.h (ARM_PE): Define.
2413 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2414 interfacearm attribute if this is a PE toolchain.
2415 (output_return_instruction): Do not emit anything if the function
2416 has the naked attribute set.
2417 (is_called_in_ARM_mode): If the function has the interfacearm
2418 attribute then return true.
2419 (thumb_expand_prologue): Do not generate a prologue for naked
2421 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2423 (output_thumb_prologue): Do not bother if the function is naked.
2424 Strip PE encoding from function name before emitting.
2426 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2428 * arm.md (pic_load_addr): Fix constraints.
2430 * arm.md (casesi_insn): Fix mis-applied patch.
2432 * arm.md ("core" function unit): Add rules for single- and
2434 (All TARGET_THUMB patterns): Add "type" attribute information
2436 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2437 the following insn is a CALL.
2439 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2441 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2442 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2443 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2445 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2447 * config/arm/linux-gas.h: oops - this file was missed out when the
2448 branch was created...
2450 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2452 * thumb.c: Deleted. Move contents to ...
2454 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2456 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2459 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2460 declare a prototype for asm_output_align();
2462 * arm.c (thumb_condition_code): Delete.
2463 (arm_print_operand): Always use arm_condition_code array.
2465 * arm.c (thumb_return_addr_rtx): Delete.
2466 (arm_save_machine_status, arm_restore_machine_status): Delete.
2467 (arm_init_machine_status, arm_mark_machine_status): New functions.
2468 (arm_init_expanders): Update accordingly.
2469 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2470 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2471 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2473 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2475 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2477 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2480 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2482 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2483 stack backtrace structure.
2485 * config/arm/arm-protos.h: Add prototypes for functions defined in
2488 * config/arm/arm.c (arm_override_options): Fix selection of
2489 attributes of default processor.
2491 * config/arm/coff.h: Delete needless #include.
2493 * config/arm/pe.c: Delete unused code.
2495 * config/arm/pe.h (CPP_DEFINES): Delete
2496 (SUBTARGET_CPP_SPEC): Define.
2497 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2499 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2501 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2503 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2505 (CAN_DEBUG_WITHOUT_FP): Define.
2506 (FIXED_REGISTERS): Make r11 call-saved.
2507 (CALL_USED_REGISTERS): Likewise.
2508 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2509 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2510 frame-pointer is required.
2511 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2512 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2513 if the target normally needs a stack frame in non-leaf functions.
2514 (use_return_insn): Correct logic for determining when a return
2515 instruction can be used.
2516 (output_return_instruction): Handle the frame-pointer register as
2517 a normal register when not TARGET_APCS_FRAME.
2518 (arm_output_prologue): Likewise.
2519 (arm_output_epilogue): Likewise.
2520 (output_func_epilogue): Likewise.
2521 (arm_expand_prologue): Likewise.
2522 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2524 * arm.c (use_return_insn): No need to check floating point regs if
2526 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2527 the code of value stored in the minipool array.
2528 (arm_add_minipool_constant): Likewise.
2530 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2532 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2534 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2536 * tree.c (tree_expr_nonnegative_p): New function.
2538 * tree.h (tree_expr_nonnegative_p): Declare.
2540 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2541 elide some sign_compare warnings.
2542 (build_conditional_expr): Likewise.
2544 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2546 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2548 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2549 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2550 operand. Abort if a 387 operand has an unsupported size.
2552 2000-04-08 Neil Booth <NeilB@earthling.net>
2554 * cppexp.c (parse_charconst): Null does not end character
2556 * cppinit.c (ISTABLE): Null character handled as whitespace.
2557 * cpplex.c (null_warning): new function.
2558 (skip_string): Emit warning if nulls encountered.
2559 (_cpp_skip_hspace): Emit warning if nulls encountered.
2560 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2564 2000-04-07 Richard Henderson <rth@cygnus.com>
2566 * flow.c (loop_depth): Remove.
2567 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2568 (struct propagate_block_info): New.
2569 (life_analysis): Don't allocate reg_next_use.
2570 (propagate_block_delete_insn): Break out of propagate_block.
2571 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2572 (propagate_block_delete_libcall): Likewise.
2573 (propagate_block): Create a propagate_block_info struct to pass
2574 to subroutines. Allocate one not two temporary regsets. Don't
2575 clobber memory for const calls. Look for clobbers in
2576 CALL_INSN_FUNCTION_USAGE.
2577 (mark_set_regs): Recognize COND_EXEC.
2578 (mark_set_reg): Break out of mark_set_1.
2579 (mark_used_reg): Break out of mark_used_regs.
2580 (mark_used_regs): Recognize COND_EXEC.
2581 (insn_dead_p): Use propagate_block_info struct.
2582 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2583 (find_auto_inc, try_pre_increment_1): Likewise.
2584 (print_rtl_with_bb): Dump regs live at end too.
2585 (count_reg_sets_1): Pass in loop_depth.
2586 (count_reg_sets, count_reg_references): Likewise.
2587 (recompute_reg_usage): Provide it.
2589 2000-04-07 Richard Henderson <rth@cygnus.com>
2591 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2594 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2596 * cpplib.c (do_elif): Skip the rest of the line if we're
2597 not going to bother evaluating it.
2598 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2599 to avoid pointless calls to the lexer.
2601 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2603 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2605 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2607 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2609 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2611 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2613 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2615 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2616 crtend so they can be multilibbed.
2617 (STAGESTUFF): Remove s-crt and s-crtS.
2619 2000-04-07 Richard Henderson <rth@cygnus.com>
2621 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2622 if we discover we need a pseudo and no_new_pseudos is true.
2623 * config/alpha/alpha.md (ne:DI insn): New.
2624 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2626 2000-04-07 Richard Henderson <rth@cygnus.com>
2628 * rtl.def (COND_EXEC): New.
2629 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2630 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2632 * genconfig.c (have_cond_arith_flag): Remove.
2633 (have_cond_exec_flag): New.
2634 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2635 (main): Print HAVE_conditional_execution.
2637 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2638 (sched_analyze_insn, print_pattern): Likewise.
2639 * reload.c (find_equiv_reg): Likewise.
2640 * rtlanal.c (reg_referenced_p): Likewise.
2641 (note_stores, dead_or_set_regno_p): Likewise.
2642 (reg_overlap_mentioned_p): Rewrite to use a switch.
2644 * ggc.h (struct rtx_def): Forward declare.
2646 * print-rtl.c (debug_rtx_range): New.
2647 * rtl.h (debug_rtx_range): Declare.
2649 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2651 * gcse.c (gcse_main): Don't rebuild the CFG here.
2652 (delete_null_pointer_checks): Likewise.
2653 * ssa.c (convert_to_ssa): Likewise.
2654 * toplev.c (rest_of_compilation): Do it here instead. Combine
2655 sequential calls to TIMEVAR. Consistently use `insns' instead of
2656 `get_insns()'. Always split insns after reload when optimizing.
2658 * basic-block.h (merge_blocks_nomove): Declare.
2659 (tidy_fallthru_edge): Declare.
2660 * flow.c (merge_blocks_nomove): Document as merging into previous
2661 blocks. Remove cruft from between blocks; remove all edges out of A.
2662 (tidy_fallthru_edge): Export.
2664 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2666 * ssa.c (compute_conservative_reg_partition): Declare with
2668 * toplev.c (clean_dump_file): Remove previously-deleted function
2669 inadvertantly merged back in.
2670 * conflict.c (conflict_graph_add): Use a single call to
2671 htab_find_slot to look up and insert.
2673 2000-04-06 Richard Henderson <rth@cygnus.com>
2675 * genrecog.c (*): Rename _last_insn to last_insn.
2676 (make_insn_sequence): Set the position of the peephole2 C test
2677 to be at the last insn.
2679 2000-04-06 Richard Henderson <rth@cygnus.com>
2681 * flow.c (compute_flow_dominators): Free worklist.
2683 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2685 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2687 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2689 * rtl.h (INSN_P): New macro.
2690 (successor_phi_fn): New typedef.
2691 (for_each_successor_phi): New prototype.
2692 (in_ssa_form): New variable.
2693 (PHI_NODE_P): Likewise.
2694 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2695 phi nodes in successors.
2696 (mark_used_regs): Add PHI case.
2697 (set_phi_alternative_reg): New function.
2698 (life_analysis): Assert that dead code elimination is not selected
2700 * toplev.c (to_ssa_time): New variable.
2701 (from_ssa_time): Likewise.
2702 (compile_file): Zero to_ssa_time and from_ssa_time.
2703 Print time to convert to and from SSA.
2704 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2705 (print_time): Compute percent fraction as integer.
2706 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2707 (convert_to_ssa): Check if we're already in SSA.
2708 Don't eliminate dead code in life_analysis.
2709 Rerun flow and life analysis at bottom.
2710 (eliminate_phi): Use canonical regnos when adding nodes.
2711 (mark_reg_in_phi): New function.
2712 (mark_phi_and_copy_regs): Likewise.
2713 (convert_from_ssa): Rerun life analysis at top.
2714 Use coalesced partition.
2715 Check for removing a phi node at the end of the block.
2716 (compute_coalesced_reg_partition): New function.
2717 (coalesce_regs_in_copies): Likewise.
2718 (coalesce_reg_in_phi): Likewise.
2719 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2720 (for_each_successor_phi): Likewise.
2721 (rename_context): New struct.
2722 (rename_block): Use a rename_context with rename_insn_1. When
2723 renaming sets of a subreg, emit a copy of the entire reg first.
2724 (rename_insn_1): Treat data as a rename_context *. Save current
2726 (rename_set_data): Add field set_insn.
2727 * Makefile.in (HASHTAB_H): Move up in file.
2728 (OBSTACK_H): New macro.
2729 (collect2.o): Use OBSTACK_H in dependencies.
2730 (sdbout.o): Likewise.
2731 (emit-rtl.o): Likewise.
2732 (simplify-rtx.o): Likewise.
2733 (fix-header.o): Likewise.
2734 (OBJS): Add conflict.o.
2735 (conflict.o): New rule.
2736 * basic-block.h: Include partition.h.
2737 (conflict_graph): New typedef.
2738 (conflict_graph_enum_fn): Likewise.
2739 (conflict_graph_new): New prototype.
2740 (conflict_graph_delete): Likewise.
2741 (conflict_graph_add): Likewise.
2742 (conflict_graph_conflict_p): Likewise.
2743 (conflict_graph_enum): Likewise.
2744 (conflict_graph_merge_regs): Likewise.
2745 (conflict_graph_print): Likewise.
2746 (conflict_graph_compute): Likewise.
2747 * conflict.c: New file.
2749 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2751 * tlink.c (read_repo_files): Don't look for .rpo info for
2754 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2756 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2758 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2760 * config/sh/lib1funcs.asm (___udivsi3_i4):
2761 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2762 only depends on FMOVD_WORKS.
2764 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2766 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2767 make double constant 8-byte aligned.
2769 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2771 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2772 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2773 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2774 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2775 Accept storing GENERAL_REGS into offsetable memory.
2776 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2777 building a TFmode constant other than 0.0L into GENERAL_REGS.
2779 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2781 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2783 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2785 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2786 (macro_cleanup): No need to cast pbuf->macro.
2787 (collect_expansion): Use _cpp_get_define_token. Goto done if
2788 it returns VSPACE. Remove check for trailing space after
2790 (_cpp_create_definition): Don't diddle flags here. Return
2792 (unsafe_chars): Handle c1 being EOF.
2793 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2794 checks. Don't push the buffer till after we're done with
2796 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2797 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2798 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2800 (_cpp_parse_assertion): Don't NUL terminate.
2801 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2802 hspace before calling _cpp_parse_assertion. Remove all sets
2803 of only_seen_white. Treat '\f' as hspace. Don't do anything
2804 special with '\n' here.
2805 (maybe_macroexpand): Handle T_EMPTY hash entries without
2806 pushing a buffer at all.
2807 (cpp_get_token): Handle clearing only_seen_white here. Handle
2808 incrementing the line number here. Clear
2809 potential_control_macro as well as only_seen_white, if
2811 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2812 (_cpp_get_define_token): New function, basically like
2813 _cpp_get_directive_token was but doesn't eat horizontal space.
2814 Don't do anything with only_seen_white here.
2815 (_cpp_get_directive_token): Just call _cpp_get_define_token
2816 repeatedly till it returns non-hspace.
2818 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2819 (conditional_skip, skip_if_group): Return int.
2820 (DIRECTIVE_TABLE): Change origin of all conditional directives
2822 (TRAD_DIRECT_P): New macro.
2823 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2824 an error for a bogus directive, unless -lang-asm. Use
2825 TRAD_DIRECT_P. Loop calling handler functions till one returns
2827 (get_macro_name): Don't diddle flags here.
2828 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2829 Create T_EMPTY nodes for #define macro /* nothing */.
2830 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2831 Use hp->name when calling pass_thru_directive.
2832 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2833 Return the result of conditional_skip and/or skip_if_group.
2834 Don't call _cpp_output_line_command.
2835 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2836 Issue -Wtraditional warnings as appropriate. Don't complain
2837 about unrecognized directives. If we are to stop skipping,
2838 return the number of the directive that ended the skip.
2839 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2840 expansion and line commands while skipping. Return the result
2841 of consider_directive_while_skipping, if nonzero.
2842 (do_endif): Just set potential_control_macro here.
2843 (validate_else): Use _cpp_get_directive_token.
2844 (do_assert, do_unassert): Don't save pointers into the
2845 token_buffer across calls to the lexer. Use
2846 _cpp_get_directive_token.
2848 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2849 pointer, not an offset. Replace 'data', which was a generic
2850 pointer, with 'macro', which points to a struct hashnode.
2851 (cpp_reader): Add 'potential_control_macro' pointer.
2852 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2853 (CPP_BUF_GET, CPP_FORWARD): Delete.
2854 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2855 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2856 ACTIVE_MARK_P): Update.
2857 (_cpp_get_define_token): New internal function.
2858 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2860 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2862 * configure.in: And here.
2863 * configure: Regenerate.
2864 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2865 --enable-libstdcxx-v3 is passed at configure time.
2866 * config.h.in: Regenerate.
2868 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2870 * final.c (final): Use xcalloc to allocate line_note_exists.
2871 * function.c (free_after_compilation): Free the temp_slots.
2872 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2873 (combine_temp_slot): Free temp_slots when they get combined.
2874 (purge_addressof): Fix typo in comment.
2875 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2876 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
2878 * ggc.h: Include varray.h.
2879 (ggc_pending_trees): Declare.
2880 (ggc_mark_tree_children): Remove declaration.
2881 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
2882 * ggc-common.c (ggc_pending_trees): New variable.
2883 (ggc_mark_roots): Call ggc_mark_trees.
2884 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
2885 the ggc_pending_trees.
2886 * Makefile.in (GGC_H): New variable. Use it throughout in place
2889 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2891 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
2894 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2896 * sh.c (sh_insn_length_adjustment): New function.
2897 * sh-protos.h (sh_insn_length_adjustment): Declare.
2898 * sh.h (ADJUST_INSN_LENGTH): Use it.
2900 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
2902 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
2903 from the insn where REG_RETVAL is added.
2904 (emit_no_conflict_block): Ditto.
2906 * md.texi (Standard Names): Clarify when movX is needed.
2908 * combine.c (simplify_comparison) [MINUS]: Do not replace
2909 all (op (minus A B) 0) with (op A B).
2911 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
2912 J"orn Rennecke <amylaar@cygnus.co.uk>
2914 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
2915 (block_lump_real): Likewise.
2917 2000-04-05 Chris Demetriou <cgd@netbsd.org>
2919 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
2920 remaining non-zero debugging masks.
2922 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
2924 * basic-block.h (verify_flow_info): Declare.
2925 (flow_loop_outside_edge_p): Declare.
2926 * flow.c (verify_flow_info): Remove declaration.
2927 (clear_log_links, flow_loop_outside_edge_p): Likewise.
2929 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
2931 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
2934 2000-04-05 Jakub Jelinek <jakub@redhat.com>
2936 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
2937 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
2938 seqdi_zero_trunc+1): Allow splits only if registers are
2941 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
2943 * acconfig.h: Add HAVE_GAS_HIDDEN.
2944 * config.in: Regenerated.
2945 * configure.in: Add test for .hidden pseudo-op in gas.
2946 * configure: Regenerated.
2947 * crtstuff.c: Include auto-host.h.
2948 Emit additional .hidden pseudo-op for __dso_handle if the
2949 assembler knows about it.
2951 2000-04-04 Philippe De Muyter <phdm@macqel.be>
2953 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
2954 before freeing argnames.
2955 * cpplib.c (do_ifndef): Cast return value of xstrdup.
2957 2000-04-05 Michael Meissner <meissner@redhat.com>
2959 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
2960 Walton <jonboy@gordian.com> to make memory references with update
2961 work wtih -mregnames.
2963 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2965 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
2966 (regrename_optimize): Rename variables `def_uses' and
2967 `ext_basic_blocks' to avoid conflicts with similarly named
2968 typedefs in traditional C.
2970 * calls.c (initialize_argument_information): Fix typo in previous
2973 2000-04-04 Richard Henderson <rth@cygnus.com>
2975 * regrename.c (consider_available): Test fixed_regs not
2976 PIC_OFFSET_TABLE_REGNUM.
2978 2000-04-04 Geoff Keating <geoffk@cygnus.com>
2980 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
2982 (CRTSTUFF_T_CFLAGS_S): Delete definition.
2983 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
2984 (ENDFILE_LINUX_SPEC): Always use crtend.
2985 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
2986 (powerpc-*-linux-gnu): Likewise.
2987 * configure: Regenerate.
2989 * config/rs6000/eabi.h: Don't include sysv4.h.
2990 (MULTILIB_DEFAULTS): Don't define.
2991 * config/rs6000/eabiaix.h: Don't include eabi.h.
2992 * config/rs6000/eabile.h: Delete.
2993 * config/rs6000/eabilesim.h: Delete.
2994 * config/rs6000/eabisim.h: Don't include eabi.h.
2995 * config/rs6000/linux.h: Don't include sysv4.h.
2996 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
2997 (MULTILIB_DEFAULTS): Don't redefine.
2998 * config/rs6000/rtems.h: Don't include eabi.h.
2999 * config/rs6000/sol2.h: Don't include sysv4le.h.
3000 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3001 * config/rs6000/t-ppc: Delete.
3002 * config/rs6000/t-ppcgas: Correct comment.
3003 * config/rs6000/t-ppcos: Correct comment. Don't build
3004 multilibs for -fPIC, rather use -fPIC -mstrict-align
3006 * config/rs6000/t-ppc: Delete.
3007 * config/rs6000/vxppc.h: Don't include sysv4.h.
3008 * config/rs6000/vxppcle.h: Delete.
3009 * configure.in: Use multiple header files for p2pc ELF targets
3010 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3011 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3012 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3013 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3014 always available for these platforms.
3016 2000-04-04 Richard Henderson <rth@cygnus.com>
3018 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3020 2000-04-04 Stan Cox <scox@cygnus.com>
3022 * Makefile.in: Add rules for regrename.o
3023 * regrename.c: New file.
3024 * rtl.h (regrename_optimize): Add prototype.
3025 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3026 (compile_file, decode_d_option): Add support for -frename-registers.
3027 (rest_of_compilation): Call regrename_optimize.
3028 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3031 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3033 * Makefile (gccbug): New target.
3034 (doc): Depend on it.
3035 * gcc.texi (Bugs): Link subnodes.
3037 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3038 Document severities, priorities, and classes in bug form.
3040 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3042 * cpplex.c (trigraph_map, speccase): Combine into single
3044 (NORMAL, NONTRI): New macros.
3045 (_cpp_read_and_prescan): Change to use unified table. Use
3046 is_hspace to test for whitespace.
3048 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3049 definition that doesn't provoke the "empty body in an
3050 if-statement" warning.
3052 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3054 * builtins.c (expand_builtin_strlen): Force the source to
3055 be a memory address.
3057 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3059 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3061 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3063 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3064 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3065 (ECF_IS_CONST): Rename to ECF_CONST.
3066 (special_function_p): Make static, change interface.
3067 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3068 (expand_call) ... here; convert number of variables to flags.
3069 (emit_library_call_vlue_1): Likewise.
3070 (setjmp_call_p): New function.
3071 (initialize_argument_information): Accepts flags as argument;
3073 (precompute_arguments): Likewise.
3074 * tree.h (special_function_p): Remove.
3075 (setjmp_call_p): Add prototype.
3077 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3079 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3080 so that addresses are offsetable by up to 16 bytes.
3081 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3082 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3085 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3086 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3087 (movsf): Don't force any constant to memory if target is integer
3089 Move fp_zero_operand check below the const0_rtx check.
3090 (movtf): Likewise. Also allow fp_zero_operand for stores into
3092 (movdf): Likewise. Also allow fp_zero_operand for stores into
3093 memory and into integer hard registers.
3094 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3095 movdf_const_intreg_sp64): Remove.
3096 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3098 (movdf_no_e_insn_v9_sp32): New pattern.
3099 (movdf_insn_v9only): Remove.
3100 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3101 (movdf_insn_sp64): Remove.
3102 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3103 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3104 (following splits): Rewrite conditions. Add two new splits
3105 for storing 0.0 into memory and registers.
3106 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3107 (movtf_insn_sp32): Redo constraints and conditions.
3108 (movtf_insn_vis_sp32): New pattern.
3109 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3110 (movtf_insn_hq_sp64): Likewise.
3111 (movtf_insn_hq_vis_sp64): New pattern.
3112 (movtf_insn_sp64): Redo constraints and conditions.
3113 (movtf_insn_vis_sp64): New pattern.
3114 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3115 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3117 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3118 -mvis or -m64 to take down the number of various reload patterns.
3120 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3122 * pa/pa-64.h: New file.
3123 * pa/pa64-regs.h: New file.
3124 * pa/pa64-start.h: New file.
3125 * pa/t-pa64: New file.
3126 * pa/xm-pa64hpux.h: New file.
3128 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3130 * sparc.c (output_restore_regs): Prototype.
3131 (sparc_emit_float_lib_cmp): Constification.
3133 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3135 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3138 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3139 (get_value_hash, hash_rtx): Likewise.
3141 * ssa.c (compute_conservative_reg_partition): Prototype.
3143 * tree.c (mark_hash_entry): Prototype.
3145 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3147 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3148 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3149 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3151 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3152 * objc/lang-specs.h: Likewise.
3154 2000-04-03 Neil Booth <NeilB@earthling.net>
3156 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3157 and SYNTAX_ERROR2. Replace `' in messages with ''.
3158 (op_to_str): Make re-entrant.
3159 (_cpp_parse_expr): Implement new error macros. Use | rather
3160 than || to logically or 2 boolean integers. Simply expression
3161 checking we have a left operand iff needed.
3163 2000-04-03 Nick Clifton <nickc@cygnus.com>
3165 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3167 2000-04-03 Philip Blundell <philb@gnu.org>
3169 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3171 2000-04-03 Felix Lee <flee@cygnus.com>
3173 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3174 (run_shell): Use it.
3176 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3178 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3179 (stmp-fixproto): ...rather than here.
3181 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3183 * pa.c (print_operand): Compute 'base' only inside the code paths
3186 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3188 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3191 2000-04-03 Philipp Thomas <pthomas@suse.de>
3193 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3195 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3197 * Makefile.in (alias.o): Depend on $(TREE_H).
3199 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3201 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3203 * cpplib.c (_cpp_handle_directive): Improve warnings for
3204 traditional C and indented directives.
3206 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3207 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3208 fixinc/inclhack.def: Indent the # of #include_next one space.
3209 * cp/rtti.c: Un-indent #if and #endif.
3211 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3212 syntax error, but an error has already been printed.
3213 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3214 message when called with nothing remaining on the line.
3215 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3216 OTHER token, not an ASSERTION.
3217 * cpplib.c (do_assert): When we create a 'base' node, clear
3218 its aschain pointer.
3220 2000-04-02 Neil Booth <NeilB@earthling.net>
3222 * cppexp.c: New typedef op_t. struct operation and struct
3223 token updated to use it.
3224 (op_to_str): New function.
3225 (_cpp_parse_expr): Error messages modified to use op_to_str.
3227 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3229 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3230 before checking MUST_PASS_IN_STACK.
3232 2000-04-02 Neil Booth <NeilB@earthling.net>
3234 * cppexp.c: New FINISHED dummy token. Combine operator initial
3235 flags and initial priority into a single constant. New
3236 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3237 (_parse_cpp_expr): Implement new constants. Take left operand
3238 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3239 parse indicated by reducing FINISHED token. Remove new lines
3240 from cpp_error messages.
3242 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3244 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3247 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3249 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3250 directive. Add origin values to DIRECTIVE_TABLE. Generate
3251 the strings and function names on the fly. Take the #sccs
3252 entry out of the table if SCCS_DIRECTIVE is not defined.
3253 (_cpp_handle_directive): Decide if the # was at the beginning
3254 of the line here. Issue -pedantic warnings for extended
3255 directives here. Warn about K+R directives with the #
3256 indented, and C89/extended directives with the # not indented,
3258 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3259 do_assert, do_unassert): Don't issue pedantic warning here.
3261 * cpphash.h: Add CPP_WTRADITIONAL macro.
3262 * cpplib.h (struct cpp_options): Rename warn_stringify to
3263 warn_traditional; update comments.
3264 * cppinit.c (handle_option): Set warn_traditional not
3266 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3267 CPP_WTRADITIONAL (pfile).
3268 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3269 be ignored in -traditional mode here.
3271 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3272 to initialize speccase[] and trigraph_map[]. Delete all
3273 references to pfile->input_speccase. Always treat '?' as a
3274 special character. Remove table-initialization code from
3275 _cpp_init_input_buffer.
3277 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3278 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3280 2000-04-01 Richard Henderson <rth@cygnus.com>
3282 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3283 (mostlyclean): Likewise.
3285 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3286 (struct dump_file_info, enum dump_file_index, dump_file): New.
3287 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3288 not a string. Clean out file if we havn't yet done so. Do nothing
3289 if the dump isn't enabled.
3290 (close_dump_file): Do nothing if the dump isn't open. Dump
3291 graph data if requested.
3292 (dump_rtl, clean_dump_file): Remove.
3293 (compile_file): Don't clean the dump files. Only finalize .bp dump
3294 if flag_test_coverage or flag_branch_probabilities. Only finalize
3295 .combine dump if optimizing. Iterate over dump_file to finalize the
3297 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3298 Convert all uses of dump_rtl.
3299 (decode_d_option): Iterate over dump_file to implement 'a' and to
3300 locate pass-specific dumps.
3302 2000-04-01 Neil Booth <NeilB@earthling.net>
3304 * cppexp.c: Redefine priority constants.
3305 (_cpp_parse_expr): Replace left and right priority scheme with
3306 single priority logic. Move LOGICAL to same place as COMPARE.
3307 Remove bogus check for multiple unary +/- operators.
3309 2000-04-01 Neil Booth <NeilB@earthling.net>
3311 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3312 within the switch statement. Binary operations break out of
3313 the switch naturally. '(' tokens handled by forcing
3314 immediate shift. ')' handled by forcing immediate reduce to
3315 the previous '('. New error messages.
3317 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3319 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3320 part', it's already in use. Use %K instead. Add a return at the
3321 end of what is now %K.
3322 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3324 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3326 * builtins.c (expand_builtin_apply): Pass proper parameters to
3327 allocate_dynamic_stack_space.
3328 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3329 update stack_pointer_delta; do not update arg_size_so_far.
3330 (compute_argument_block_size): Use stack_delta instead of
3331 stack_pointer_pending and arg_size_so_far.
3332 (expand_call): Add sanity checking for stack_pointer_delta;
3333 save and restore stack_pointer_delta for SIB, use
3334 stack_pointer_delta for alignment; do not update arg_space_so_far.
3335 (emit_library_call_value): Use stack_pointer_delta for alignment.
3336 (store_one_arg): Do not update arg_space_so_far.
3337 * explow.c (adjust_stack, anti_adjust_stack): Update
3338 stack_pointer_delta.
3339 (allocate_dynamic_stack_space): Add sanity checking for
3340 stack_pointer_delta.
3341 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3342 stack_pointer_delta.
3343 (emit_push_insn): Update stack_pointer_delta.
3344 * function.h (struct expr_status): Add x_stack_pointer_delta;
3345 remove x_arg_space_so_far.
3346 (arg_space_so_far): Remove.
3347 (stack_pointer_delta): New macro.
3349 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3351 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3352 Reorder struct cpp_options and struct cpp_reader for better
3353 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3354 takes two args. Change all 'char' flags to 'unsigned char'.
3355 Move show_column flag into struct cpp_options. Don't
3356 prototype cpp_options_init.
3357 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3358 cppinit.c, cpplex.c, cpplib.c:
3359 Replace CPP_OPTIONS (pfile)->whatever with
3360 CPP_OPTION (pfile, whatever), and likewise for
3361 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3363 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3364 Extract CPP_OPTION (pfile, pending) and work with that
3366 (cpp_options_init): Delete.
3367 (cpp_reader_init): Turn on on-by-default options here.
3368 Allocate the pending structure here.
3369 (cl_options, enum opt_code): Define these from the same table,
3370 kept in a large macro. Add -fshow-column and -fno-show-column
3373 * cpperror.c (v_message): If show_column is off, don't print
3376 * cppmain.c: Update for new interface.
3377 * fix-header.c: Likewise.
3379 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3381 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3383 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3384 are passed to any invocation of AR_FOR_TARGET.
3385 (AR_CREATE_FOR_TARGET): New macro.
3386 (AR_EXTRACT_FOR_TARGET): New macro.
3387 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3388 AR_EXTRACT_FOR_TARGET.
3389 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3390 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3391 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3392 AR_EXTRACT_FOR_TARGET to sub-makes.
3394 2000-03-31 Neil Booth <NeilB@earthling.net>
3396 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3398 (_cpp_parse_expr): Check for multiple unary +/- operators.
3399 Correct priorities of ':' and '?'. Treat ')' as having a
3400 value. Ensure conditional expression is not void.
3402 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3404 * alias.c (canon_rtx): Make it global.
3405 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3407 * cse.c (struct table_elt): Add canon_exp.
3409 (invalidate): Canonicalize expressions only once.
3410 * rtl.h (canon_rtx): Declare.
3412 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3414 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3415 * alias.c (reg_known_value): Add comments.
3416 (init_alias_analysis): Likewise.
3417 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3419 (cse_basic_block): Fix typo in comment.
3420 * emit-rtl.c: Include hashtab.h.
3421 (const_int_htab): New variable.
3422 (const_int_htab_hash): New function.
3423 (const_int_htab_eq): Likewise.
3424 (rtx_htab_mark_1): Likewise.
3425 (rtx_htab_mark): Likewise.
3426 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3427 (unshare_all_rtx): Fix formatting.
3428 (init_emit_once): Initialize const_int_htab.
3429 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3431 * rtl.texi: Document the fact that all CONST_INTs with the same
3434 2000-03-30 Richard Henderson <rth@cygnus.com>
3436 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3438 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3440 * configure.in: Comment out --enable-c-cpplib stanza.
3441 * configure: Regenerate.
3443 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3445 * expr.c (store_constructor): Properly compute displacement and
3446 alignment when offset is variable.
3448 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3449 cases of alignment in bytes.
3451 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3453 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3454 since it is used to generate c-parse.y.
3455 * objc-parse.c, objc-parse.y: Regenerated.
3457 * function.c (expand_function_end): Pass alignment argument to
3458 emit_block_move in bits, not bytes.
3460 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3462 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3465 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3467 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3468 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3469 * function.c (assign_parms): Likewise.
3470 * integrate.c (expand_inline_function): Likewise.
3471 * stmt.c (expand_decl): Likewise.
3472 (copy_rtx_and_substitute): Likewise.
3473 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3474 (clear_by_pieces): Fix error in last change.
3475 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3476 * function.h (regno_pointer_align): Now unsigned.
3477 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3479 * config/i386/i386.c (aligned_operand): Likewise.
3480 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3481 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3482 (unaligned_memory_operand): Likewise.
3483 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3484 Also make alignments and sizes unsigned and some whitespace cleanup.
3485 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3487 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3488 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3489 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3490 (expand_builtin_memset): Likewise, but to clear_storage.
3491 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3492 (restore_fixed_argument_area): Likewise.
3493 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3494 (load_register_parameters): Likewise, to emit_group_load.
3495 (expand_call): Likewise, to emit_group_store and emit_block_move.
3496 (emit_library_call_value_1): Likewise, to emit_block_move.
3497 (store_one_arg): Likewise, and to emit_push_insn.
3498 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3499 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3500 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3501 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3502 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3503 (expand_assigment, store_expr, store_constructor_field): Likewise.
3504 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3505 (store_constructor, store_field, get_inner_reference): Likewise.
3506 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3507 (expand_expr, case COMPONENT_REF): Likewise.
3508 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3509 and positions; reindent code.
3510 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3511 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3512 (assign_parms): Likewise to emit_group_store.
3513 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3514 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3515 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3516 (expand_return): Likewise to {extract,store}_bit_field.
3517 * stor-layout.c (get_mode_alignment): Minor cleanup.
3518 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3519 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3521 2000-03-29 Nick Clifton <nickc@cygnus.com>
3523 * config/arm/arm.h: Undo effects of previous delta:
3524 (ASM_SPEC): Do not define.
3525 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3527 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3530 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3532 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3533 only after reading in the primary source file.
3535 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3537 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3538 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3539 or a reference to a va_list.
3540 * builtins.c (stabilize_va_list): Simplify now we don't have to
3541 work around C array address decay.
3542 * c-typeck.c (convert_for_assignment): Handle assignment to
3543 a reference parameter by taking the address of the RHS.
3544 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3545 (va_copy): Likewise.
3546 (__va_copy): Likewise.
3547 * ginclude/varargs.h (va_start): Likewise.
3548 (__va_copy): Likewise.
3550 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3552 * i386/djgpp.h: Remove extraneous "+".
3554 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3556 * calls.c (expand_call): Fix typo in last change.
3558 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3560 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3563 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3565 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3566 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3567 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3568 * tree.c (bit_position, byte_position): Likewise.
3569 * tree.h: Declare new functions.
3571 2000-03-29 Nick Clifton <nickc@cygnus.com>
3573 * config/arm/arm.c: Minor formatting changes/
3574 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3576 (ASM_SPEC): Define if not already defined.
3578 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3580 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3583 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3585 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3586 value, don't output it as unsigned.
3588 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3590 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3592 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3594 * c-common.c (c_common_nodes_and_builtins): Don't special case
3595 cplus_mode when declaring builtin bzero/bcmp, always avoid
3596 prototype arguments.
3598 2000-03-29 Bruce Korb <bkorb@gnu.org>
3600 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3603 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3605 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3606 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3607 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3608 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3609 (save_fixed_argument_area, restore_fixed_argument_area):
3610 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3611 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3612 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3613 (precompute_register_parameters): Avoid #ifdefs on
3614 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3615 (stire_one_args): Likewise.
3616 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3617 (emit_library_call_value_1): Likewise.
3618 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3619 ACCUMULATE_OUTGOING_ARGS.
3620 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3622 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3623 (use_crosses_set_p): Likewise.
3624 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3625 #define ACCUMULATE_OUTGOING_ARGS 1.
3626 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3628 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3630 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3631 (TARGET_SWITCHES): Add push-args, no-push-args,
3632 accumulate-outgoing-args and no-accumulate-outgoing-args.
3633 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3634 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3635 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3637 (emit_push_insn): Likewise.
3638 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3639 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3640 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3641 (STACK_DYNAMIC_OFFSET): Define correctly for both
3642 ACCUMULATE_OUTGOING_ARGS and normal mode.
3643 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3644 * tm.texi (PUSH_ARGS): Document.
3645 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3647 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3649 * flags.h (flag_optimize_sibling_calls): Declare.
3650 * calls.c (expand_call): Fail sibcall when
3651 !flag_optimize_sibling_calls
3652 * invoke.texi (flag_optimize_sibling_calls): Document.
3653 * toplev.c (flag_optimize_sibling_calls): New global variable.
3654 (f_options): Add flag_optimize_sibling_calls.
3655 (rest_of_compilation): Conditionize
3656 optimize_sibling_and_tail_recursive_calls by
3657 flag_optimize_sibling_calls.
3658 (main): Set flag_optimize_sibling_calls for -O2.
3659 * stmt.c (expand_return): Conditionize tail recursion by
3660 flag_optimize_sibling_calls.
3662 2000-03-29 Richard Henderson <rth@cygnus.com>
3664 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3665 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3667 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3669 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3671 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3673 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3675 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3676 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3677 * config/rs6000/aix.h: then modified likewise.
3679 2000-03-28 Richard Henderson <rth@cygnus.com>
3681 * rtl.h: Redistribute enum reg_note documentation.
3682 Kill trailing whitespace.
3683 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3684 Kill trailing whitespace.
3686 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3688 * cppfiles.c (hash_IHASH): Just return i->hash.
3689 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3690 htab_find_with_hash.
3691 (cpp_read_file): Likewise.
3692 (find_include_file): Likewise. Properly initialize
3693 ih->nshort. Share ih->name and ih->nshort if possible.
3694 * cpphash.c (_cpp_calc_hash): New function.
3695 (hash_HASHNODE): Just return h->hash.
3696 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3697 htab_find_with_hash.
3698 * cpphash.h: Prototype _cpp_calc_hash.
3699 * cppinit.c (initialize_builtins): Provide a valid hash
3700 to _cpp_make_hashnode, using _cpp_calc_hash.
3702 * cpphash.c (collect_expansion): # is not a special character
3703 in object-like macros. In -traditional mode, /**/ is not
3704 token paste at the beginning or end of the line.
3705 * cpplib.c (do_include, do_import, do_include_next): If
3706 parse_include fails, return immediately.
3708 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3710 * config/arm/arm.md (return peepholes): Update to reflect the new
3712 * config/arm/arm.c (arm_volatile_func): Also check
3713 current_function_nothrow.
3714 (output_return_instruction, output_func_prologue): Use it.
3715 (arm_output_epilogue, arm_expand_prologue): Likewise.
3717 2000-03-27 Tom Tromey <tromey@cygnus.com>
3719 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3722 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3724 * expr.c (store_constructor): SIZE now signed.
3725 For EXPR_SIZE, don't evaluate size; just needed if constant.
3726 * fold-const.c (fold): Fix a number of cases when folded tree is
3728 * function.c (flush_addressof): Reenable.
3729 * tree.h (flush_addressof): Likewise.
3730 * toplev.c (independent_decode_option): Look at strings_processed.
3731 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3733 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3735 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3736 Allow stack adjustment after function call.
3738 * regmove.c (struct csa_memlist): Make mem field rtx *.
3739 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3740 (try_apply_stack_adjustment): Replace whole MEM rtx.
3741 (combine_stack_adjustments_for_block): Update calls
3742 to record_one_stack_ref.
3744 2000-03-28 Neil Booth <NeilB@earthling.net>
3746 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3747 '\\' rather than a null character, so nulls are not special. Fix
3748 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3749 speed trigraph conversion.
3750 (_cpp_init_input_buffer): Initialize trigraph map.
3752 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3754 * config/i386/i386.c (output_387_binary_op): Correct intel
3755 mode assembly output, and add spaces after commas in AT&T
3756 output. Correct Unixware assembler comment. Document input
3757 constraints. Comment fp operations. Reduce profligate buffer
3758 size. Remove extraneous abort. Localize temp var.
3759 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3760 (output_fix_trunc): Add spaces after commas in assembly output.
3762 2000-03-27 Richard Henderson <rth@cygnus.com>
3764 * i386-protos.h (ix86_match_ccmode): Declare.
3765 * i386.c (ix86_match_ccmode): New.
3766 (ix86_expand_fp_compare): Update for pattern renames.
3767 (ix86_expand_strlensi_unroll_1): Likewise.
3768 * i386.h (EXTRA_CC_MODES): Add CCZ.
3769 (SELECT_CC_MODE): Use it for EQ/NE zero.
3770 * i386.md (cmpsi_ccz_1): New.
3772 (*testsi_ccz_1): New.
3773 (testqi_ccz_1): New.
3774 (cmpsi_ccno_1): Rename from cmpsi_0.
3775 (testsi_ccno_1): Rename from testsi_1.
3776 (testqi_ccno_1): Rename from testqi_1.
3777 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3778 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3779 (*cmphi_0): Use ix86_match_ccmode.
3780 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3781 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3782 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3783 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3784 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3785 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3786 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3787 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3788 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3789 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3790 (appropriate peepholes): Likewise.
3791 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3792 (*subsi_3, *subhi_3, *subqi_3): Remove.
3793 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3794 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3795 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3796 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3797 (x86_shift_adj_1): Use CCZ.
3798 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3800 2000-03-27 Stan Cox <scox@cygnus.com>
3802 * resource.h (mark_resource_type): New.
3803 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3804 find_free_register): Use mark_resource_type.
3805 (mark_set_resources): Change include_delayed_effects
3806 to mark_resource_type.
3807 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3808 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3809 Use mark_resource_type.
3811 2000-03-27 Richard Henderson <rth@cygnus.com>
3813 * i386.md (call_pop_0, call_value_pop_0): New.
3814 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3815 (call_value_pop_1): Likewise.
3816 (call_0, call_value_0): New.
3817 (call_1, call_value_1): Remove constraint from unused arg.
3819 2000-03-27 Nick Clifton <nickc@cygnus.com>
3821 * invoke.texi (Spec Files): Document new spec % command created by
3822 Tom Tromey's recent patch.
3824 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3826 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3829 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3831 * expr.c (expand_assignment): Fix typo in last change.
3833 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
3835 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3837 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
3838 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
3839 and DECL_INLINE if FUNCTION_DECL.
3840 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
3841 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
3842 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
3843 (combine_parm_decls): Likewise.
3844 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
3845 * print-tree.c (print_node): Likewise.
3846 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
3847 DECL_TRANSPARENT_UNION on proper decl types.
3848 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
3849 * stor-layout.c (layout_decl): Only check DECL_PACKED and
3850 DECL_BIT_FIELD of FIELD_DECL.
3851 * tree.h (DECL_RESULT_FLD): New macro.
3853 * expr.c (expand_assignment): Add code to handle variable-sized
3856 2000-03-26 Richard Henderson <rth@cygnus.com>
3858 * calls.c (expand_call): Pass parms not original exp to
3859 optimize_tail_recursion. Mind return value instead of looking
3861 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
3862 call_expr. Move checks for call_expr and current_function_decl ...
3863 (expand_return): ... here.
3865 2000-03-26 Tom Tromey <tromey@cygnus.com>
3867 * gcc.c (handle_braces): Recognize `%{<S}' construct.
3868 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
3870 (process_command): Use them.
3871 (check_live_switch): Likewise.
3872 (give_switch): Skip ignored switches.
3874 2000-03-26 Jan Hubicka <jh@suse.cz>
3876 * jump.c (jump_optimize_1): Fix typo in elide optimizations
3877 for minimal jump pass test.
3879 2000-03-26 Mark Mitchell <mark@codesourcery.com>
3881 * integrate.c (function_cannot_inline_p): Do inline functions that
3884 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3886 * stor-layout.c (layout_type, set_sizetype): early_type_list is
3887 now a list of TREE_LIST entries, not types.
3888 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
3890 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
3891 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
3893 * config/mips/mips.c (function_arg): Likewise; also remove cast
3894 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
3895 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
3896 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
3897 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
3898 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
3899 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
3900 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
3901 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
3902 num_adjusts now unsigned.
3903 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
3904 * config/sparc/sparc.c (struct function_arg_record_value_parms):
3906 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
3907 as is BITPOS variable; use host_integerp and int_bit_position.
3908 (function_arg_record_value_2): Likewise.
3909 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
3910 Variable REGNO now unsigned.
3911 (function_arg_record_value): NREGS now unsigned.
3913 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
3915 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
3917 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3919 * Rework fields used to describe positions of bitfields and
3920 modify sizes to be unsigned and use HOST_WIDE_INT.
3921 * alias.c (reg_known_value_size): Now unsigned.
3922 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
3923 (really_start_incremental_init): Use bitsize_zero_node.
3924 (push_init_level, pop_init_level, output_init_element): Likewise.
3925 Use bitsize_unit_node and bitsize_one_node.
3926 (output_pending_init_elements, process_init_element): Likewise.
3927 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
3928 (make_extraction): Position and length HOST_WIDE_INT and unsigned
3929 HOST_WIDE_INT, respectively.
3930 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
3931 (num_sign_bit_copies): Returns unsigned.
3932 BITWIDTH now unsigned; rework arithmetic.
3933 Remove recursive call from arg to MAX.
3934 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
3935 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
3937 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
3938 (find_split_point, expand_compound_operation, make_extraction): LEN
3939 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
3940 (make_field_assignment): Likewise.
3941 (combine_simplify_rtx): Add cast.
3942 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
3943 (force_to_mode): WIDTH now unsigned; add cast.
3944 (if_then_else_cond): SIZE now unsigned.
3945 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
3946 (extended_count): Now returns unsigned.
3947 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
3948 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
3949 (simplify_comparison): MODE_WIDTH now unsigned.
3950 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
3951 (mark_used_regs_combine): Likewise; rework arithmetic.
3952 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
3953 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
3954 (record_promoted_value): REGNO now unsigned.
3955 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
3956 (get_last_value): REGNO now unsigned.
3957 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
3958 (reg_dead_regno, reg_dead_endregno): Now unsigned.
3959 (remove_death): Arg REGNO now unsigned.
3960 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
3961 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
3963 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
3964 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
3965 (struct cse_reg_info): REGNO now unsigned.
3966 (cached_regno): Now unsigned.
3967 (REGNO_QTY_VALID_P): Add cast.
3968 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
3969 (remove_invalid_regs): Likewise.
3970 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
3971 as are variables END and I.
3972 (get_cse_reg_info, insert): Likewise.
3973 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
3974 (canon_hash): Likewise.
3975 (insert_regs, lookup_for_remove): REGNO now unsigned.
3976 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
3978 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
3979 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
3980 * emit-rtl.c (subreg_realpart_p): Add cast.
3981 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
3982 (operand_subword_force): Arg I is now unsigned.
3983 * except.c (eh_regs): Variable I is now unsigned.
3984 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
3985 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
3986 length is unsigned HOST_WIDE_INT; likewise for internal variables.
3987 (store_split_bit_field, extract_fixed_bit_field): Likewise.
3988 (extract_split_bit_field, store_bit_field, extract_bit_field):
3990 * expr.c (store_constructor_fields, store_constructor, store_field):
3991 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
3992 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
3993 (do_jump): Likewise.
3994 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
3995 MAX_SIZE is now unsigned.
3996 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
3997 (emit_group_store): Likewise.
3998 (emit_move_insn): I now unsigned.
3999 (store_constructor): Use host_integerp, tree_low_cst, and
4001 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4002 Rework all calculations to use trees and new fields.
4003 * expr.h (promoted_input_arg): Regno now unsigned.
4004 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4005 (mark_seen_cases): Arg is HOST_WIDE_INT.
4006 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4007 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4008 precisions and alignments are unsigned.
4009 (optimize_bit_field_compare, fold_truthop): Likewise.
4010 (int_const_binop): Adjust threshold for size_int_type_wide call.
4011 (fold_convert): Likewise.
4012 (size_int_type_wide): Make table larger and fix thinko that only
4013 had half of table used.
4014 (all_ones_mask_p, fold): Precisions are unsigned.
4015 * function.c (put_reg_info_stack): REGNO is unsigned.
4016 (instantiate_decl): Size is HOST_WIDE_INT.
4017 (instantiate_virtual_regs): I is unsigned.
4018 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4019 (promoted_input_arg): REGNO is unsigned.
4020 * function.h (struct function): x_max_parm_reg is now unsigned.
4021 * gcse.c (max_gcse_regno): Now unsigned.
4022 (struct null_pointer_info): min_reg and max_reg now unsigned.
4023 (lookup_set, next_set): REGNO arg now unsigned.
4024 (compute_hash_table): REGNO and I now unsigned.
4025 (handle_avail_expr): regnum_for_replacing now unsigned.
4026 (cprop_insn): REGNO now unsigned.
4027 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4028 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4029 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4030 * hard-reg-set.h (reg_class_size): Now unsigned.
4031 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4032 * jump.c (mark_modified_reg): I now unsigned; add cast.
4033 (rtx_equal_for_thread_p): Add cast.
4034 * loop.c (max_reg_before_loop): Now unsigned.
4035 (struct_movable): REGNO now unsigned.
4036 (try_copy_prop): REGNO arg unsigned.
4037 (regs_match_p): XN and YN now unsigned.
4038 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4039 (strength_reduce): Likewise; NREGS also unsigned.
4040 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4041 * loop.h (struct iv_class): REGNO now unsigned.
4042 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4044 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4045 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4046 * optabs.c (expand_binop): I and NWORDS now unsigned.
4047 (expand_unop): I now unsigned.
4048 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4049 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4050 * real.c (significand_size): Now returns unsigned.
4051 * real.h (significand_size): Likewise.
4052 * regclass.c (reg_class_size): Now unsigned.
4053 (choose_hard_reg_mode): Both operands now unsigned.
4054 (record_reg_classes): REGNO and NR now unsigned.
4055 (reg_scan): NREGS now unsigned.
4056 (reg_scan_update): old_max_regno now unsigned.
4057 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4058 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4059 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4060 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4061 Likewise for variable R.
4062 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4063 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4064 (find_equiv_reg): Add casts.
4065 (regno_clobbered_p): Arg REGNO now unsigned.
4066 * reload.h (struct reload): NREGS now unsigned.
4067 (refers_to_regno_for_reload_p): Regno args are unsigned.
4068 (regno_clobbered_p): Likewise.
4069 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4070 (compute_use_by_pseudos): REGNO now unsigned.
4071 (find_reg): I and J now unsigned, new variable K, and change loop
4072 variables accordingly; THIS_NREGS now unsigned.
4073 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4074 (spill_hard_reg): REGNO arg now unsigned; add casts.
4075 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4076 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4077 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4078 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4079 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4080 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4081 (emit_reload_insns): REGNO now unsigned.
4082 (reload_cse_move2add): Add cast.
4083 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4085 * resource.c (mark_referenced_resources, mark_set_resources): New
4086 variable R; REGNO and LAST_REGNO now unsigned.
4087 (mark_target_live_regs): J and REGNO now unsigned.
4088 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4089 * rtl.h (union rtunion_def): New field rtuint.
4090 (XCUINT): New macro.
4091 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4092 (operand_subword, operand_subword_force): Word number is unsigned.
4093 (choose_hard_reg_mode): Operands are unsigned.
4094 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4095 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4096 (regno_use_in, combine_instructions, remove_death): Likewise.
4097 (reg_scan, reg_scan_update): Likewise.
4098 (extended_count): Return is unsigned.
4099 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4100 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4101 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4102 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4103 (reg_reg_last_1): FIRS and LAST now unsigned.
4104 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4105 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4107 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4108 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4109 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4110 (replace_regs): Arg NREGS now unsigned.
4111 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4112 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4113 (simplify_binary_operation): Likewise.
4114 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4115 THIS_LAST now unsigned.
4116 (cselib_record_set): Add cast.
4117 * ssa.c (ssa_max_reg_num): Now unsigned.
4118 (rename_block): REGNO now unsigned.
4119 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4121 (all_cases_count): Just return -1 not -2.
4122 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4123 Rework tests to use trees whenever possible.
4124 Use host_integerp and tree_low_cst.
4125 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4126 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4127 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4128 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4129 (smallest_mode_for_size): Likewise.
4130 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4131 KNOWN_ALIGN is now an alignment, so simplify code.
4132 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4133 (start_record_layout): Renamed from new_record_layout_info.
4134 Update to new fields.
4135 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4137 (place_union_field): Renamed from layout_union_field.
4138 Update to use new fields in rli.
4139 (place_field): Renamed from layout_field.
4140 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4141 (finalize_record_size): Rework to use new fields in rli and handle
4143 (compute_record_mode): Rework to simplify and to use new DECL fields.
4144 (finalize_type_size): Make rounding more consistent.
4145 (finish_union_layout): Deleted.
4146 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4147 (layout_type, case RECORD_TYPE): Call new function names.
4148 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4149 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4150 (get_best_mode): UNIT is now unsigned; remove casts.
4151 * tree.c (bit_position): Compute from new fields.
4152 (byte_position, int_byte_position): New functions.
4153 (print_type_hash_statistics): Cast to remove warning.
4154 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4155 (build_index_type): Likewise; make subtype of sizetype.
4156 (build_index_2_type): Pass sizetype to build_range_type.
4157 (build_common_tree_nodes): Use size_int and bitsize_int to
4158 initialize nodes; add bitsize_{zero,one,unit}_node.
4159 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4160 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4161 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4162 (DECL_FIELD_BITPOS): Deleted.
4163 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4164 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4165 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4166 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4167 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4168 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4169 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4170 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4171 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4172 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4173 (DECL_ALIGN): Adjust to new field in union.
4174 (DECL_OFFSET_ALIGN): New field.
4175 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4176 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4177 (union tree_decl): Add struct for both aligns.
4178 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4179 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4180 (struct record_layout_info): Rework fields to have offset
4181 alignment and byte and bit position.
4182 (start_record_layout, place_field): Renamed from old names.
4183 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4184 (byte_position, int_byte_position): Likewise.
4185 (get_inner_reference): Change types of position and length.
4186 * unroll.c (unroll_loop): New variable R; use for some loops.
4187 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4188 (calculate_giv_inc): Arg REGNO now unsigned.
4189 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4190 * varasm.c (assemble_variable): Clean up handling of size using
4191 host_integerp and tree_low_cst.
4192 (decode_addr_const): Use byte, not bit, position.
4193 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4194 use tree_low_cst and int_bit_position.
4195 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4197 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4199 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4200 (reorder_block_def): New members eff_head and eff_end.
4201 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4202 (verify_insn_chain): New function.
4203 (skip_insns_between_block): Add code to skip deleted insns.
4204 Check for note before using.
4205 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4206 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4207 Check for note before using.
4208 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4209 (fixup_reorder_chain): Restructure, clean up, defect removal.
4210 (reorder_basic_blocks): Remove last_insn and references to it.
4211 Moved insn chain verification code into a new function (see above).
4212 Delete defective code that sets last insn.
4213 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4216 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4218 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4220 2000-03-24 Richard Henderson <rth@cygnus.com>
4222 * tree.c (lang_safe_for_unsave): Remove.
4223 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4224 allowing for two levels of unsafeness. Remove lang hook.
4225 * tree.h: Update declarations.
4226 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4227 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4228 Always fail sibcalls when there are pending cleanups.
4230 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4232 * flow.c (propagate_block): When we delete an ADDR_VEC,
4233 also delete the BARRIER following it if there is one.
4235 2000-03-24 Richard Henderson <rth@cygnus.com>
4237 * builtins.c (expand_builtin_bzero): Convert `length' argument
4240 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4242 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4243 comparison if regno's are equal.
4244 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4245 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4246 (expand_call): Update caller.
4247 Avoid making a sibling call if argument size of the callee is larger
4248 than argument size of the caller.
4249 Call hard_function_value with outgoing set if in sibcall pass.
4250 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4252 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4253 Change LEAF_REGISTERS from an array initializer to actual array
4254 identifier. Move static global variable into the function.
4255 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4256 sequences for leaf functions.
4257 * global.c (global_alloc): Likewise.
4258 * tm.texi (LEAF_REGISTERS): Update documentation.
4260 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4261 TARGET_FLAT leaf disabling hack.
4262 (LEAF_REGISTERS): Changed from an array initializer to actual array
4263 identifier to avoid duplication and remove the above hack.
4264 (FUNCTION_OK_FOR_SIBCALL): Define.
4265 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4266 always like call attribute.
4267 (eligible_for_sibcall_delay): New attribute.
4268 (sibcall): New delay type.
4269 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4270 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4271 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4272 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4273 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4275 (output_function_epilogue): Move part of the code into
4276 output_restore_regs.
4277 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4279 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4282 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4283 until infrastructure is finished.
4285 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4287 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4288 (save_parm_insns): Not here.
4290 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4292 * builtins.c (expand_builtin_bzero): New function.
4293 (expand_builtin): Handle bzero.
4295 * builtins.def: Add BUILT_IN_BZERO.
4297 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4298 prototype & function for bzero.
4300 2000-03-23 Michael Meissner <meissner@redhat.com>
4302 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4303 change adding TARGET_FP to the TF floating point insns, except for
4304 trunctfsf2, which generates direct calls to truncdfsf2.
4306 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4308 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4309 try to protect against middle-end changes that break binary
4311 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4313 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4315 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4317 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4319 * calls.c (expand_call): If TARGET is passed by reference and
4320 is readonly, write a CLOBBER.
4322 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4324 * builtins.c (expand_builtin): Handle bcmp.
4326 * builtins.def: Add BUILT_IN_BCMP.
4328 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4329 prototype & function for bcmp.
4331 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4333 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4334 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4335 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4337 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4339 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4340 alternative when using -fp64 -gp32.
4342 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4344 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4345 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4346 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4348 * frame.h (frame_state): Revert last change.
4349 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4350 * libgcc2.c (throw_helper): Revert last change.
4352 2000-03-22 Richard Henderson <rth@cygnus.com>
4354 * stmt.c (expand_asm_operands): Don't promote the temporary.
4356 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4358 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4359 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4360 c_get_alias_set): Likewise.
4361 * c-decl.c (duplicate_decls): Likewise.
4362 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4363 * calls.c (initialize_argument_information): Likewise.
4364 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4366 * dwarfout.c (decl_class_context,output_type): Likewise.
4367 * expr.c (get_inner_reference): Likewise.
4368 * fold-const.c (simple_operand_p,fold): Likewise.
4369 * function.c (aggregate_value_p): Likewise.
4370 * stmt.c (expand_asm_operands): Likewise.
4371 * varasm.c (named_section): Likewise.
4373 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4375 Implement dwarf2 exception handling for the ARM.
4376 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4377 (DWARF_FRAME_RETURN_COLUMN): Define.
4378 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4379 REG_FRAME_RELATED_EXPR note.
4380 (emit_sfm): Likewise.
4381 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4382 * dwarf2out.c (reg_save): Handle saving a register to itself.
4383 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4384 * except.c (eh_regs): Don't use the static chain reg if it's
4386 * frame.h (frame_state): Add cfa_saved field.
4387 * frame.c (execute_cfa_insn): Set it.
4388 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4390 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4392 (instantiate_virtual_regs): Adjust.
4394 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4395 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4396 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4398 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4399 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4401 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4403 * builtins.def: New file.
4405 * Makefile.in (TREE_H): Depend on builtins.def.
4407 * builtins.c (built_in_names): Use builtins.def.
4409 * tree.h (built_in_function): Likewise.
4411 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4413 * tree.c (size_in_bytes): Return size_zero_node, not
4416 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4418 * config/fp-bit.c (pack_d): Correct the case when a denormal
4419 is rounded up and stops being denormal.
4421 2000-03-21 Richard Henderson <rth@cygnus.com>
4423 * config/alpha/alpha.c (function_arg): Check for void_type_node
4424 before using MUST_PASS_IN_STACK.
4426 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4428 * regmove.c (combine_stack_adjustments_for_block): Check that
4429 the stack pointer is a valid memory address.
4431 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4433 * calls.c: re-install Mar 16 emit_library_call merge.
4435 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4437 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4438 we cannot be sure that if reload_completed base register will
4439 be properly aligned.
4441 2000-03-21 Richard Henderson <rth@cygnus.com>
4443 * flow.c (delete_block): Fix typo last change.
4445 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4447 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4448 not COMPLETE_TYPE_P, to check the type of the expression.
4450 2000-03-21 Michael Meissner <meissner@redhat.com>
4452 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4453 all floating point insns that just tested the macro
4454 TARGET_HAS_XFLOATING_LIBS.
4455 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4456 used to only use the gprs.
4458 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4460 * tree.h (COMPLETE_TYPE_P): New macro.
4461 (COMPLETE_OR_VOID_TYPE_P): New macro.
4462 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4463 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4464 * c-aux-info.c (gen_type): Use them.
4465 * c-common.c (c_expand_expr_stmt): Likewise.
4466 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4467 grokdeclarator, grokparms, finish_struct, start_function,
4468 store_parm_decls, combine_parm_decls): Likewise.
4469 * c-parse.y (cast_expr): Likewise.
4470 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4471 c_size_in_bytes, c_alignof, build_component_ref,
4472 build_indirect_ref, build_array_ref, convert_arguments,
4473 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4474 * calls.c (initialize_argument_information): Likewise.
4475 * convert.c (convert_to_integer): Likewise.
4476 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4477 * dwarfout.c (location_or_const_value_attribute,
4478 output_enumeration_type_die, output_structure_type_die,
4479 output_union_type_die, output_type): Likewise.
4480 * expr.c (safe_from_p, expand_expr): Likewise.
4481 * function.c (assign_parms): Likewise.
4482 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4483 * tree.c (build_array_type, build_function_type,
4484 build_method_type, build_offset_type, build_complex_type): Likewise.
4485 * c-parse.c, c-parse.h: Regenerated.
4487 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4489 * config/c4x/rtems.h: Include config/rtems.h.
4491 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4493 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4494 decl is a FUNCTION_DECL
4496 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4498 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4499 function uses output registers. Don't save RP for leaf functions.
4500 Do save RP even if no epilogue.
4501 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4502 (CALL_USED_REGISTERS): Unmark in registers.
4503 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4506 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4508 * config/rs6000/rs6000.md (bunordered): New expander.
4509 (bordered): New expander.
4510 (buneq): New expander.
4511 (bunge): New expander.
4512 (bungt): New expander.
4513 (bunle): New expander.
4514 (bunlt): New expander.
4515 (bltgt): New expander.
4517 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4518 (ccr_bit_negated_p): New function.
4519 (print_operand): For %C, generate appropriate cror for UNEQ,
4520 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4522 2000-03-20 Andreas Jaeger <aj@suse.de>
4524 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4527 * tree.h (safe_for_unsave): Prototype.
4529 2000-03-20 Richard Henderson <rth@cygnus.com>
4531 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4532 (combine_stack_adjustments_for_block): Don't allow sp references
4533 in the side of a set we're not fixing up.
4534 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4535 after life_analysis.
4537 2000-03-20 Richard Henderson <rth@cygnus.com>
4539 * calls.c (expand_call): Don't bother generating tail call
4540 sequences if there are pending cleanups. Use
4541 expand_start_target_temps/expand_end_target_temps to elide
4542 cleanups created during sibcall expansion.
4544 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4546 * configure.in: Set $IFS to a value if it doesn't already have one
4547 in the --enable-checking handling.
4548 * configure: Regenerate.
4550 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4552 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4553 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4556 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4558 * jump.c (delete_noop_moves): Remove code attempting to
4559 combine stack adjustments.
4561 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4563 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4564 * except.c (emit_cleanup_handler): Use them.
4565 (expand_end_all_catch): Likewise.
4566 * function.c (fixup_var_refs): Likewise.
4567 (expand_function_end): Clear catch_clauses_last.
4568 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4569 * except.h (struct eh_status): New field x_catch_clauses_last.
4570 (catch_clauses_last): New define.
4572 * Makefile.in (tree.o): Depend on HASHTAB_H.
4573 * tree.c: Include hashtab.h.
4574 (struct type_hash): Remove next field.
4575 (TYPE_HASH_SIZE): Remove.
4576 (TYPE_HASH_INITIAL_SIZE): New define.
4577 (type_hash_table): Change type to htab_t.
4578 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4579 mark_hash_entry): New functions.
4580 (init_obstacks): Allocate type hash.
4581 (type_hash_lookup): Use htab functions.
4582 (type_hash_add, mark_type_hash): Likewise.
4583 (dump_tree_statistics): Call print_type_hash_statistics.
4585 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4587 * rs6000/t-aix41: New file.
4589 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4591 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4593 * tm.texi (Driver): Fix typos and tweak entry for
4595 Move misplaced STRUCT_FORCE_BLK entry ...
4596 (Storage Layout): ... to here.
4597 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4599 2000-03-19 Richard Henderson <rth@cygnus.com>
4601 * flow.c (delete_block): Delete the addr_vec along with the block.
4602 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4605 * fold-const.c (extract_muldiv): Apply type check for defined
4606 overflow to multiply as well as divide.
4608 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4610 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4612 * emit-rtl.c (remove_unncessary_notes): Check that all
4613 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4614 associated NOTE_BLOCK.
4615 * function.h (identify_blocks): Update comments.
4616 (reorder_blocks): Declare.
4617 * function.c (identify_blocks): Don't take paramters.
4618 (reorder_blocks): Don't take parameters.
4619 * loop.h (find_loop_tree_blocks): Remove.
4620 (unroll_block_trees): Likewise.
4621 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4622 reorder_blocks instead of unroll_block_trees.h
4623 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4624 * stmt.c (find_loop_tree_blocks): Remove.
4625 (unroll_block_trees): Likewise.
4626 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4627 in whole-function mode.
4628 * tree.h (reorder_blocks): Remove declaration.
4630 * expr.c: Include intl.h.
4631 * Makefile.in (expr.o): Depend on intl.h.
4633 2000-03-18 Richard Henderson <rth@cygnus.com>
4635 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4637 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4639 * tree.h (tree_index): Remove enumerals for integer types.
4640 (integer_type_kind): New type.
4641 (integer_types): New variable.
4642 (char_type_node): Adjust.
4643 (signed_char_type_node): Likewise.
4644 (unsigned_char_type_node): Likewise.
4645 (short_integer_type_node): Likewise.
4646 (short_unsigned_type_node): Likewise.
4647 (integer_type_node): Likewise.
4648 (unsigned_type_node): Likewise.
4649 (long_integer_type_node): Likewise.
4650 (long_unsigned_type_node): Likewise.
4651 (long_long_integer_type_node): Likewise.
4652 (long_long_unsigned_type_node): Likewise.
4653 * tree.c (integer_types): New variable.
4654 (init_obstacks): Register it as a root.
4656 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4658 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4659 NEXT_INSN. Update last insn in chain.
4661 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4663 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4664 with TYPE_DECL_SUPPRESS_DEBUG set.
4666 2000-03-18 Richard Henderson <rth@cygnus.com>
4668 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4670 2000-03-18 Richard Henderson <rth@cygnus.com>
4672 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4673 care for HALF_PIC_P.
4674 (expander_call_insn_operand): Remove.
4675 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4676 * i386.h (PREDICATE_CODES): Update.
4677 * i386.md (all call expanders): Remove predicates, remove special
4678 handling for half-pic.
4679 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4680 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4681 (sibcall_epilogue): New.
4683 2000-03-17 Richard Henderson <rth@cygnus.com>
4685 * rtlanal.c (single_set): Reject if the parallel has anything
4686 except SET or USE or CLOBBER.
4688 2000-03-17 Jeff Law <law@cygnus.com>
4689 Richard Henderson <rth@cygnus.com>
4691 * Makefile.in (OBJS): Add sibcall.o.
4693 * sibcall.c: New file.
4694 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4695 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4696 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4697 Emit sibcall patterns when requested. Update all callers.
4698 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4699 elimination seems feasable.
4700 * final.c (leaf_function_p): Sibling calls don't discount being
4702 * flow.c (HAVE_sibcall_epilogue): Provide default.
4703 (find_basic_blocks_1): Sibling calls don't throw.
4704 (make_edges): Make edge from sibling call to EXIT.
4705 (propagate_block): Don't remove sibcall_epilogue insns.
4706 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4707 (sibcall_epilogue): New.
4708 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4709 (identify_blocks_1): Likewise. Break out from ...
4710 (identify_blocks): ... here.
4711 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4712 (reorder_blocks): ... here.
4713 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4714 (record_insns): Extend a varray instead of mallocing new memory.
4715 (contains): Read a varray not array of ints.
4716 (sibcall_epilogue_contains): New.
4717 (thread_prologue_and_epilogue_insns): Emit and record
4718 sibcall_epilogue patterns.
4719 (init_function_once): Allocate prologue/epilogue varrays.
4720 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4721 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4723 (save_for_inline_nocopy): ... here.
4724 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4726 (expand_inline_function): ... here.
4727 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4728 (subst_constants): Handle 'n' formats.
4729 * jump.c (jump_optimize_minimal): New.
4730 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4731 optimizations if it's set.
4732 * rtl.c (copy_rtx): Do copy jump & call for insns.
4733 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4734 (SIBLING_CALL_P): New.
4735 (sibcall_use_t): New.
4736 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4737 Invoke optimize_sibling_and_tail_recursive_calls.
4738 * tree.c (lang_safe_for_unsave): New.
4739 (safe_for_unsave): New.
4740 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4742 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4743 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4744 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4746 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4748 * objc/objc-act.c (encode_method_prototype): Pass types, not
4749 PARM_DECLs, to int_size_in_bytes.
4751 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4753 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4755 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4756 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4758 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4760 * Clean up usages of TREE_INT_CST_LOW.
4761 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4762 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4764 * c-tree.h (min_precision): Move declaration to here.
4765 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4766 (build_unary_op, add_pending_init): Use bit_position.
4767 (pending_init_member, process_init_element): Likewise.
4768 (really_start_incremental_init, push_init_level, pop_init_level):
4769 Don't make copies of nodes or modify them in place, use consistent
4770 types when tracking positions, and use tree routines computations.
4771 (set_init_index, output_init_element): Likewise.
4772 (output_pending_init_elements, process_init_element): Likewise.
4773 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4774 tree_low_cst and int_bit_position; also minor cleanup.
4775 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4776 (print_cst_octal): Precision is unsigned.
4777 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4778 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4779 (simple_type_align_in_bits): Result is unsigned int.
4780 Use tree_int_low_cst and host_integerp.
4781 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4782 (field_byte_offset): Result is HOST_WIDE_INT.
4783 Change types of internal variables so alignments are unsigned int,
4784 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4785 Use host_integerp, tree_low_cst, and int_bit_position.
4786 (add_bit_offset_attribute): Likewise.
4787 (add_data_member_location_attribute): Use tree_cst_low.
4788 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4789 (add_bit_size_attribute): Use tree_low_cst.
4790 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4791 * dwarfout.c: Similar changes to dwarf2out.c.
4792 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4793 * genoutput.c (n_occurences): Return -1 for null string.
4794 (strip_whitespace): Accept null string and make into function.
4795 (scan_operands): Reflect above changes.
4796 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4797 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4798 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4799 * tree.c (int_size_in_bytes): Check for too big to represent.
4800 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4801 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4803 (min_precision): Delete from here.
4804 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4805 and int_bit_position.
4806 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4807 (encode_method_def): Likewise.
4808 (build_ivar_list_initializer): Use int_bit_position.
4809 (generate_shared_structures): Convert size.
4810 (encode_type, encode_complete_bitfield): Use integer_zerop.
4811 (encode_bitfield): Use tree_low_cst and int_bit_position.
4813 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4815 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4817 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4819 * call.c (special_function_p): It is only malloc if it returns
4822 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4824 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4825 (C33_FLAG, TARGET_C3X): Add macros.
4826 (TARGET_SWITCHES): Add -m33 option.
4827 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4829 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4831 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
4832 (PARALLEL_PACK_FLAG): Delete.
4833 (TARGET_SWITCHES): Update.
4834 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
4836 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4838 * fold-const.c (fold): Fix a few cases when the returned result
4839 is not of the same type as the input.
4841 2000-03-16 Nick Clifton <nickc@cygnus.com>
4843 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
4846 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4848 * libgcc2.h: Move prototypes above macros with the same name.
4849 Wrap some function prototypes in the conditional which indicates
4850 whether they are supported, i.e. "BITS_PER_UNIT == 8".
4852 2000-03-16 Richard Henderson <rth@cygnus.com>
4854 * calls.c: Revert last two changes.
4856 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
4858 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
4859 has exponent 0 is a zero.
4861 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
4862 HASH may already be nonzero. Add code/mode into hash value
4863 immediately after repeat label.
4864 (cselib_lookup): Don't leave the hash table in an inconsistent
4865 state before a hash lookup operation.
4867 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
4869 * i386.md (all HI and QI mode non-move patterns): Conditionize
4870 by TARGET_[HQ]IMODE_MATH.
4871 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4872 x86_promote_qi_regs): Declare.
4873 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
4874 TARGET_PROMOTE_QI_REGS): New macros.
4875 (PROMOTE_MODE): New macro.
4876 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4877 x86_promote_qi_regs): New global variables.
4879 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
4881 * calls.c (emit_library_call_value_1): Break out from ...; handle
4882 VOIDmode function calls too.
4883 (emit_library_call_value): ... here.
4884 (emit_library_call): Implement by calling emit_library_call_value_1.
4886 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
4888 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
4889 Update arg_space_so_far on stack adjustments.
4890 (emit_library_call, emit_library_call_value): Likewise; take into
4891 account arg_space_so_far and pending_stack_adjust when calculcating
4894 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
4896 * flow.c: Move all basic block reordering code into its own file.
4897 (create_basic_block): Externalize.
4898 * bb-reorder.c: New file. Copy all basic block reordering code from
4899 flow.c to this file.
4900 (reorder_basic_blocks): Fix fencepost error in for-loop.
4901 (reorder_basic_blocks): Remove braces from single statement for-loops.
4902 * basic-block.h: Add declaration for create_basic_block.
4903 * Makefile.in: Add rules for bb-reorder.o.
4905 2000-03-16 Neil Booth <NeilB@earthling.net>
4907 * cppinit.c (handle_option): Implement #unassert directive
4908 as -A- command line option.
4909 (print_help): Update.
4910 * cpptexi.c: Update.
4912 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
4914 * md.texi (Standard Names): Document `jump'.
4916 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4918 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
4921 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4923 Merge changes from newppc-branch onto trunk.
4925 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4927 * rs6000.c (toc_hash_table): Update for new hash table functions.
4928 (toc_hash_function): Likewise.
4929 (toc_hash_eq): Likewise.
4930 (toc_hash_mark_entry): Likewise.
4931 (toc_hash_mark_table): Likewise.
4932 (output_toc): Likewise.
4933 (rs6000_add_gc_roots): Likewise.
4935 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4937 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
4938 (AR_FLAGS_FOR_TARGET): here. New macro.
4940 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
4942 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
4943 fpmem_operand) Delete.
4945 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
4946 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
4947 (rs6000_save_machine_status, rs6000_restore_machine_status,
4948 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
4949 references to above variables.
4950 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
4951 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
4952 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
4953 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
4954 (XER_REGNO_P, XER_REGNO): New.
4955 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
4956 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
4957 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
4959 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4960 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
4961 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
4963 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4965 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
4966 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
4967 * rs6000.h: from here.
4969 * rs6000-protos.h (rs6000_select_section): Provide prototype.
4970 (rs6000_select_rtx_section): Likewise.
4971 (rs6000_encode_section_info): Likewise.
4972 (sdata_section): Likewise.
4973 (sdata2_section): Likewise.
4974 (sbss_section): Likewise.
4975 * sysv4.h (rs6000_select_section): Delete prototype.
4976 (rs6000_select_rtx_section): Likewise.
4977 (rs6000_encode_section_info): Likewise.
4978 (sdata_section): Likewise.
4979 (sdata2_section): Likewise.
4980 (sbss_section): Likewise.
4981 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
4983 * sysv4.h: Delete various unnecessary #undef's and put a comment
4984 on the remaining ones.
4985 Change various comments according to coding standard.
4987 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
4989 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
4990 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
4991 (CR0_REGNO_P) Remove.
4992 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
4993 setup_incoming_varargs, mtcrf_operation, print_operand,
4994 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
4995 Use the above macros.
4997 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
4999 * config/rs6000/rs6000.md: Added a new alternative for each
5000 pattern that had a 'x' alternative but no 'y' alternative.
5001 Added a new split for each of the above patterns.
5003 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5005 * aix41.h (ASM_CPU_SPEC): Delete.
5006 (CPP_CPU_SPEC): Delete.
5008 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5009 (ASM_OUTPUT_LABEL): Define.
5010 (ASM_GLOBALIZE_LABEL): Define.
5011 (STRIP_NAME_ENCODING): Define.
5012 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5013 (STRIP_NAME_ENCODING): Don't define.
5014 (ASM_OUTPUT_LABEL): Don't define.
5015 (ASM_GLOBALIZE_LABEL): Don't define.
5016 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5017 names, and ASM_OUTPUT_LABEL to output labels, rather than
5019 (ASM_OUTPUT_LABEL): Define.
5020 (ASM_OUTPUT_INT): Use assemble_name.
5021 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5022 (STRIP_NAME_ENCODING): Don't undefine first.
5023 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5025 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5026 specified with 'asm' even with -fleading-underscore.
5027 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5028 (output_epilog): Likewise.
5029 (output_toc): Likewise.
5030 * tramp.asm: Handle -fleading-underscore correctly.
5032 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5034 (nonlocal_goto_receiver): Delete.
5035 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5037 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5038 (SET_ASM_OP): Define.
5039 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5041 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5044 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5045 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5047 * rs6000.h: Add 'u' to more constants.
5049 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5051 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5053 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5055 * rs6000.c (reg_or_u_cint_operand): New function.
5056 (logical_operand): Handle 64-bit hosts.
5057 (logical_u_operand): New function.
5058 (non_logical_cint_operand): Handle 64-bit hosts.
5059 (non_logical_u_cint_operand): New function.
5060 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5061 (PREDICATE_CODES): Define new functions.
5062 * rs6000-protos.h: Declare new functions.
5063 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5064 (movdi_64): Bracket code intended for 64-bit hosts. Create
5065 CONST_DOUBLE for 32-bit values.
5066 (scc insns): Generate DImode compares.
5067 (mfcr insns): Create DImode versions.
5068 (sge matchers): New patterns.
5070 2000-02-15 Gabriel Paubert <paubert@iram.es>
5072 * rs6000.md: Correct instructions length attributes and
5073 constraints on unsigned compare instructions.
5074 (*ne0): Disable for PowerPC64.
5076 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5078 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5079 quantity, fix profile1.C test failure under -fPIC.
5081 * rs6000.c: Add 'u' to many constants to suppress warnings.
5082 (constant_pool_expr_1): Make static.
5083 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5084 * rs6000.h: Add 'u' to many constants to suppress warnings.
5086 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5087 for the start of the TOC, instead of LCTOC..0.
5088 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5090 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5091 (load_toc_aix_di): Use LCTOC..1.
5093 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5094 * rs6000.c (rs6000_legitimize_address): New function from
5095 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5096 symbols in the constant pool that really are TOC references.
5097 (print_operand_address): For ELF, write TOC offsets under
5098 -fPIC as subtractions in the insn.
5099 (output_toc): For ELF, define symbols in TOC as normal labels,
5101 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5102 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5103 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5104 * rs6000.md (movsi): Only use create_TOC_reference on
5105 symbols in the constant pool that really are TOC references.
5107 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5108 * rs6000.c (rs6000_reorg): Delete.
5109 * rs6000-protos.h (rs6000_reorg): Delete.
5111 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5113 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5115 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5116 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5117 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5118 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5119 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5120 rs6000_aix_emit_builtin_unwind_init.
5121 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5122 rs6000_emit_eh_toc_restore on AIX.
5123 (return_eh_si): Use r2.
5124 (return_eh_di): Use r2.
5126 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5127 since we're breaking binary compatibility anyway.
5129 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5131 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5132 constant_pool_expr_p): Declare them.
5133 (constant_pool_expr_p): Declare it.
5134 * config/rs6000/rs6000.c (toc_label_name): Define.
5135 (rs6000_override_options): Set toc_label_name.
5136 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5137 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5138 uses_TOC): New functions.
5139 (print_operand): Delete old '*' case.
5140 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5141 and strip off rtl for TOC before calling output_addr_const.
5142 (rs6000_emit_load_toc_table): Use toc_label_name.
5143 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5145 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5146 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5147 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5148 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5149 into explicit TOC_REGISTER offsets.
5150 (TOC_REGISTER): New macro.
5151 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5152 TARGET_TOC to reference TOC_REGISTER.
5153 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5154 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5155 uses_TOC before emitting label references.
5157 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5159 * rs6000.md (stack_tie): Fix warning.
5161 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5162 to handle -fleading-underscore.
5163 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5164 (USER_LABEL_PREFIX): New macro.
5165 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5166 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5167 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5168 call-linux can use the same multilibs.
5169 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5170 and call-linux multilibs. Do multilib with -fleading-underscore.
5171 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5172 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5175 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5176 have MASK_SOFT_FLOAT set.
5177 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5178 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5179 CPP_FLOAT_DEFAULT_SPEC.
5181 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5182 * rs6000.md: Whitespace change.
5183 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5184 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5186 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5188 * rs6000.md (eh_epilogue): New expander.
5189 (eh_reg_restore): New expand/split/insn combination.
5190 (return_eh_si): New insn.
5191 (return_eh_di): New insn.
5193 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5194 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5195 * eabi-ctors.c (__do_global_ctors): Register this object's
5196 frame. Clean up. Call atexit() after the constructors.
5197 (__do_global_dtors): Deregister this object's frame. Clean up.
5198 Allow for recursive calls to exit().
5199 * rs6000.c (fixuplabelno): New variable.
5200 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5201 TARGET_RELOCATABLE, it slows down exec() under linux.
5202 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5204 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5205 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5206 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5207 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5208 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5209 (ASM_OUTPUT_DWARF_ADDR): New macro.
5210 (ASM_OUTPUT_DWARF_DATA4): New macro.
5211 (ASM_OUTPUT_DWARF_DATA2): New macro.
5212 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5213 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5214 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5216 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5218 * rs6000.c (rs6000_sr_alias_set): New variable.
5219 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5220 (rs6000_emit_stack_tie): New function.
5221 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5222 in a way that dwarf2out can understand.
5223 (rs6000_frame_related): New function.
5224 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5225 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5226 Use rs6000_emit_stack_tie when needed.
5227 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5228 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5229 * rs6000.md (stack_tie): New insn.
5230 (return_internal_si): Allow return value to be in the count
5232 (return_internal_di): Likewise.
5234 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5236 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5238 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5240 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5242 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5244 * rs6000.md (stmw): Use the right POWER opcode.
5247 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5249 * rs6000-protos.h: New file.
5251 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5253 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5256 * sysv4.h: Likewise.
5258 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5260 * ../../configure.in: Delete powerpcle-*-winnt*
5261 and powerpcle-*-pe|powerpcle-*-cygwin*.
5262 * ../../configure: Regenerated.
5264 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5265 (TARGET_WINDOWS_NT): Delete.
5267 (CALL_NT_DLLIMPORT): Delete.
5268 Delete NT-specific code.
5269 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5272 * nt-ci.asm: Delete.
5273 * nt-cn.asm: Delete.
5274 * ntstack.asm: Delete.
5276 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5278 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5279 (ASM_FILE_START): Likewise.
5280 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5281 (ASM_OUTPUT_LABELREF): Likewise.
5282 (ASM_OUTPUT_SKIP): Likewise.
5283 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5284 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5285 (ASM_OUTPUT_CASE_LABEL): Likewise.
5286 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5287 (ASM_OUTPUT_ASCII): Likewise.
5289 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5291 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5292 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5293 increment rs6000_pic_labelno here.
5294 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5295 and increment rs6000_pic_labelno here.
5297 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5299 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5300 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5301 allocation knows (reg) is dead before the insn.
5303 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5305 * rs6000.md (movsi_to_cr): Correct typo in output template.
5307 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5309 * rs6000.c (rs6000_pic_labelno): Always define.
5310 (rs6000_pic_func_labelno): Delete.
5311 (lmw_operation): Check for a zero base register,
5312 which doesn't mean what we want.
5313 (stmw_operation): New function.
5314 (print_operand): Define new 'l' modifier.
5315 (rs6000_stack_info): We must save all 64 bits of the registers
5316 if TARGET_POWERPC64.
5317 (rs6000_output_load_toc_table): Delete.
5318 (rs6000_emit_load_toc_table): New function.
5319 (rs6000_allocate_stack_space): Delete.
5320 (rs6000_emit_allocate_stack): New function.
5321 (rs6000_emit_prologue): New function.
5322 (output_prolog): Use rs6000_emit_prologue.
5323 (rs6000_emit_epilogue): Change a few variable names to be
5324 more accurate. Restore all 64 bits of the registers if
5325 TARGET_POWERPC64. Only restore the FP registers which were used
5326 if they are being saved/restored one-at-a-time.
5327 (output_mi_thunk): Delete inefficient code generation.
5328 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5329 * rs6000.h: Declare rs6000_emit_load_toc_table,
5330 rs6000_allocate_stack_space, stmw_operation. Don't declare
5331 rs6000_output_load_toc_table.
5332 * rs6000.md (elf_high): Allow register 0, but discourage it
5334 (elf_low): Support loading into register 0.
5335 (load_toc_aix_si): New pattern.
5336 (load_toc_aix_di): New pattern.
5337 (load_toc_v4_pic_si): New pattern.
5338 (load_toc_v4_pic_di): New pattern.
5339 (load_toc_v4_PIC_1): New pattern.
5340 (load_toc_v4_PIC_1b): New pattern.
5341 (load_toc_v4_PIC_2): New pattern.
5342 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5343 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5344 (prologue): New expander.
5345 (movesi_from_cr): New pattern.
5346 (stmw): New pattern.
5347 (save_fpregs_si): New pattern.
5348 (save_fpregs_di): New pattern.
5350 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5352 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5357 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5359 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5361 (movsi_got_internal): Likewise.
5362 (movsi_got_internal+1): Likewise.
5363 (set_sp): 'unspec 7' does a SImode clobber.
5365 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5367 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5368 allocate a stack temporary.
5369 (floatsidf2_internal): Likewise.
5370 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5372 (floatunssidf2): Don't use the fpmem "register", just
5373 allocate a stack temporary.
5374 (floatunssidf2_internal): Likewise.
5375 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5377 (floatsidf2_loadaddr): Delete.
5378 (floatsidf2_store1): Delete.
5379 (floatsidf2_store2): Delete.
5380 (floatsidf2_load): Delete.
5381 (fix_truncdfsi2): Don't use the fpmem "register", just
5382 allocate a stack temporary.
5383 (fix_truncdfsi2_internal_si): Delete.
5384 (fix_truncdfsi2_internal_di): Delete.
5385 (fix_truncdfsi2_internal): New insn.
5386 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5387 (fix_truncdfsi2_store): Delete.
5388 (fix_truncdfsi2_load): Delete.
5389 (fctiwz): Produce gen_fctiwz.
5391 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5393 * eabi.h (INVOKE__main): Define.
5394 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5396 (rs6000_emit_prologue): Likewise.
5397 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5398 this is the main program.
5400 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5402 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5404 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5406 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5407 goes after the argument.
5409 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5411 * rs6000.md: Document 'unspec' values used.
5412 (epilogue): New expander.
5413 (movesi_to_cr_one): New expander.
5414 (movesi_to_cr and following): New pattern.
5416 (return_internal_si): New pattern.
5417 (return_internal_di): New pattern.
5418 (return_and_restore_fpregs_si): New pattern.
5419 (return_and_restore_fpregs_di): New pattern.
5420 * rs6000.h: Declare new functions.
5421 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5422 rather than rs6000_calls_p.
5423 (rs6000_makes_calls): Delete.
5424 (lmw_operation): New function.
5425 (mtcrf_operation): New function.
5426 (rs6000_emit_epilogue): New function.
5427 (output_epilog): Call rs6000_emit_epilogue and final if
5428 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5430 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5432 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5433 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5434 * aix.h (SUBTARGET_SWITCHES): Document switches.
5435 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5436 sched-prolog and sched-epilog the same. Document all the
5438 (TARGET_OPTIONS): No longer allow -mdebug-.
5440 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5442 * rs6000.h (ASM_FILE_END): Move to aix.h.
5443 (EXTRA_SECTIONS): Move to aix.h.
5444 (READONLY_DATA_SECTION): Move to aix.h.
5445 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5446 (SELECT_SECTION): Move to aix.h.
5447 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5448 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5449 (LINK_REGISTER_REGNUM): New definition.
5450 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5451 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5453 * sysv4.h: Delete the code between the inclusion of rs6000.h
5455 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5456 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5457 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5458 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5459 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5460 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5461 (fix_truncdfsi2_internal_di): New pattern.
5462 (fix_truncdfsi2_store): The second arg here is Pmode too.
5463 (fix_truncdfsi2_load): The second arg here is Pmode too.
5464 (tablejumpdi): Now that switch tables hold only SImode values,
5465 gcc needs to know how to add them to the pc which is DImode.
5466 * rs6000.c (rs6000_stack_info): Use symbolic name for
5467 LINK_REGISTER_REGNUM.
5468 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5469 (output_toc): Delete unused variables s1 and s2.
5470 (output_ascii): Use fputs not fprintf on a variable string.
5472 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5474 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5475 * aix43.h: Revert Aug 2 change.
5476 (HAS_INIT_SECTION): Define, not visible yet.
5477 (LD_INIT_SWITCH): Define, not visible yet.
5478 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5480 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5482 * config/rs6000/rtems.h: Include config/rtems.h.
5484 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5486 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5487 (SLOW_UNALIGNED_ACCESS): Define.
5488 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5489 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5490 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5491 (toc_section): Likewise and .toc pseudo-op.
5492 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5494 (TEXT_SECTION_ASM_OP): Likewise.
5495 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5498 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5500 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5501 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5504 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5506 * rs6000.h: Move more stuff from here...
5508 * sysv4.h: Cleanup accordingly.
5509 * netware.h: Likewise
5511 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5513 * rs6000.h: Continue cleanup.
5516 * netware.h: Likewise.
5518 * sysv4.h: Likewise.
5519 * win-nt.h: Likewise.
5521 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5522 (TARGET_OPTIONS): Likewise.
5524 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5525 (SUBTARGET_OPTIONS): Likewise.
5527 * rs6000.md: Fix compile time warnings.
5529 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5531 vxworks patches from the Cygnus tree originally by
5532 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5533 <vmakarov@cygnus.com>.
5534 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5535 (ENDFILE_SPEC): Likewise.
5536 (LIB_VXWORKS_SPEC): New macro.
5537 (STARTFILE_VXWORKS_SPEC): New macro.
5538 (ENDFILE_VXWORKS_SPEC): New macro.
5539 (LINK_START_VXWORKS_SPEC): New macro.
5540 (LINK_OS_VXWORKS_SPEC): New macro.
5541 (CPP_OS_VXWORKS_SPEC): New macro.
5542 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5543 * vxppc.h: Rewrite to use proper configuration method.
5544 * vxppcle.h: New file.
5545 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5546 * ../../configure: Rebuilt.
5548 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5550 Lots of changes to rs6000.h, sysv4.h, aix.h,
5551 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5552 with the aim that rs6000.h is the first header
5553 included and the others override it.
5556 * x-aix41-gld: Remove.
5558 * x-aix41: Remove target-specific switches, and don't specify
5559 -Wl,-bbigtoc as we don't need it any more.
5560 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5561 Use t-aix43 for AIX 4.3 and above.
5562 * ../../configure: Regenerated.
5564 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5565 options, that don't do anything yet.
5566 (MASK_SCHED_PROLOG): New macro.
5567 (MASK_SCHED_EPILOG): New macro.
5568 (TARGET_SCHED_PROLOG): New macro.
5569 (TARGET_SCHED_EPILOG): New macro.
5571 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5573 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5574 one per translation unit, not one per function.
5575 (output_toc): Also do duplicate constant elimination
5576 for per-translation-unit TOCs.
5578 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5579 a comment explaining _exactly_ when this pattern gets used.
5580 (builtin_setjmp_receiver): New pattern for better clarity.
5581 (init_v4_pic): Move it into a section dealing with TOC registers.
5583 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5585 * rs6000.c (toc_hash_table): New variable.
5586 (rs6000_hash_constant): New function.
5587 (toc_hash_function): New function.
5588 (toc_hash_eq): New function.
5589 (toc_hash_mark_entry): New function.
5590 (toc_hash_mark_table): New function.
5591 (output_toc): Don't output duplicate TOC entries in
5593 (rs6000_add_gc_roots): Add the hash table as a GC root.
5594 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5595 where they clearly shouldn't be. This may need to be fixed
5596 later when there is a GNU ar for AIX.
5597 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5598 Don't define BOOT_LDFLAGS as it is now not necessary.
5600 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5602 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5603 for va_list on AIX. Use unsigned_char_type_node rather than
5604 constructing our own version on svr4.
5606 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5608 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5609 since patently it's not.
5611 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5613 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5614 define_expand/define_insn pair, and handle restore of the
5615 SVR4 -fpic register.
5617 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5619 * acconfig.h (HAVE_GAS_WEAK): New define.
5620 * configure.in (assembler weak support): Check for .weak support.
5621 * config.in, configure: Rebuilt.
5622 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5623 HAVE_GAS_WEAK is defined.
5625 2000-03-15 Nick Clifton <nickc@cygnus.com>
5627 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5630 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5632 * cppfiles.c (open_include_file): New function.
5633 (find_include_file, cpp_read_file): Use it.
5635 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5637 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5639 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5641 * flow.c (verify_flow_info): Check for unconditional return.
5643 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5645 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5646 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5647 (__ia64_restore_stack_nonlocal): New.
5648 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5650 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5652 * cpphash.c (collect_formal_parameters): Do not complain about
5653 parameter names that just start with `__VA_ARGS__'.
5655 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5657 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5658 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5659 * i386.c (pentiumpro_cost): Set mul cost to 4.
5660 (x86_use_movx): Set for PPro.
5662 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5664 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5665 STACK_BOUNDARY for empty frames now.
5667 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5669 * stor-layout.c (layout_union): Remove.
5670 (layout_union_field): New function, split out from layout_union.
5671 (finish_union_layout): Likewise.
5672 (layout_field): Handle unions by calling layout_union_field.
5673 (finish_record_layout): Handle unions.
5674 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5675 QUAL_UNION_TYPE handling.
5677 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5679 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5680 end of basic block is jump_insn, not barrier; use create_basic_block
5681 instead of creating basic block by hand.
5683 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5685 * flow.c (reorder_basic_blocks): Account for barriers when writing
5686 over NEXT_INSN (last_bb->end).
5687 (verify_flow_info): Add check for missing barriers.
5689 2000-03-14 Greg McGary <gkm@gnu.org>
5691 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5692 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5693 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5694 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5695 __unbounded, __unbounded__): New keywords.
5696 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5697 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5698 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5700 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5702 * cselib.h: New file.
5703 * alias.c: Include "cselib.h".
5704 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5705 MEMs as two new arguments.
5706 (get_addr): New static function.
5707 (find_base_term): Handle VALUEs.
5708 (memrefs_conflict_p): Likewise.
5709 (true_dependence): Call get_addr on the addresses.
5710 Call fixed_scalar_and_varying_struct_p with addresses that have been
5711 passed through get_addr and canon_rtx.
5712 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5713 with true_dependence.
5714 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5715 * loop.c: Include "cselib.h".
5716 (load_mems): Process extended basic block that enters the loop with
5717 cselib. Use that information to change initialization of the shadow
5718 register so that a constant equivalence is seen by later passes.
5719 * reload1.c: Include "cselib.h".
5720 (reload_cse_invalidate_regno): Delete function.
5721 (reload_cse_mem_conflict_p): Likewise.
5722 (reload_cse_invalidate_mem): Likewise.
5723 (reload_cse_invalidate_rtx): Likewise.
5724 (reload_cse_regno_equal_p): Likewise.
5725 (reload_cse_check_clobber): Likewise.
5726 (reload_cse_record_set): Likewise.
5727 (reg_values): Delete static variable.
5728 (invalidate_regno_rtx): Likewise.
5729 (reload_cse_delete_noop_set): New static function.
5730 (reload_cse_simplify): New static function, broken out of
5732 (reload_cse_noop_set_p): Delete unused argument INSN.
5733 Just call rtx_equal_for_cselib_p on set source and destination.
5734 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5735 reload_cse_delete_noop_set. Delete code to keep track of values; use
5736 cselib functions instead. Delete code to push/pop obstacks.
5737 (reload_cse_simplify_set): Use cselib to find equivalent values.
5738 Delete code to push/pop obstacks.
5739 (reload_cse_simplify_operands): Likewise.
5740 * rtl.def (VALUE): New rtx code.
5741 * rtl.h (union rtunion_def): New elt rt_cselib.
5742 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5743 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5744 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5745 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5746 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5747 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5748 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5749 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5750 cselib_record_set, cselib_record_sets): New static functions.
5751 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5752 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5753 references_value_p): New functions.
5754 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5755 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5756 n_useless_values, reg_values, callmem, cselib_obstack,
5757 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5758 New static variables.
5759 * varray.h (union varray_data_tag): New elt te.
5760 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5761 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5764 2000-03-14 Nick Clifton <nickc@cygnus.com>
5766 * gcc.c (do_spec_1): Catch the case where %* is used in a
5767 substitution pattern, but it has not been initialised.
5768 Issue a meaningful error message if an unrecognised operator
5769 is encountered in a spec string.
5771 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5773 * function.c (prepare_function_start): Correctly initialize
5774 cfun->stack_alignment_needed.
5776 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5778 * cppfiles.c (find_include_file): Don't assume nshort is a
5781 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5783 * configure.in (hppa configurations): Add pa32-regs.h to the
5784 list of tm files as appropriate.
5785 * configure: Rebuilt.
5786 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5788 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5789 (fmpyaddoperands, fmpysuboperands): Likewise.
5790 * pa.h: Remove various definitions which depend on knowing
5791 how registers are numbered.
5792 * pa32-regs.h: New file with PA32 register numbering specific
5795 2000-03-14 Richard Henderson <rth@cygnus.com>
5797 * regmove.c (combine_stack_adjustments): New.
5798 (stack_memref_p, single_set_for_csa): New.
5799 (free_csa_memlist, record_one_stack_memref): New.
5800 (try_apply_stack_adjustment): New.
5801 (combine_stack_adjustments_for_block): New.
5802 * rtl.h (combine_stack_adjustments): Declare.
5803 * toplev.c (rest_of_compilation): Call it.
5805 * i386.md: Revert 2000-01-16 change.
5807 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5809 * gccbug.in: Add web category, gcc specific classes.
5811 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5813 * stor-layout.c (finalize_record_size): Fix typo.
5815 2000-03-14 Stan Shebs <shebs@apple.com>
5817 * c-typeck.c (c_alignof): Error on incomplete types.
5818 * extend.texi (Alignment): Document this.
5820 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5822 * cppfiles.c: Include mkdeps.h.
5823 (find_include_file, read_include_file): Remove _cpp_ prefix
5824 from name, make static.
5825 (_cpp_execute_include): New function, broken out of
5828 * cpplib.c: Don't include mkdeps.h.
5829 (struct directive): Remove type field. Reorder entries. The
5830 function takes only one argument.
5831 (struct if_stack): Make type field an int.
5832 (directive_table): Rename to dtable. Generate it, the
5833 prototypes of the directive handlers, and the enum for the
5834 directive numbers, from a template macro.
5835 (do_ifndef, do_include_next, do_import): New functions.
5836 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
5837 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
5838 do_ident, do_assert, do_unassert, do_sccs): Take only one
5840 (do_sccs): Define always, but alter behavior based on
5842 (_cpp_handle_directive, consider_directive_while_skipping):
5843 Restructure for new directive table layout.
5845 (pass_thru_directive): Take a directive number, not a pointer
5846 to a struct directive.
5847 (parse_include): New function, broken out of do_include.
5848 (do_include, do_import, do_include_next): Use parse_include
5849 and _cpp_execute_include.
5850 (do_elif, do_else): Test for T_ELSE specifically when checking
5851 for #elif/#else after #else.
5852 (parse_ifdef): New function, broken out of do_ifdef.
5853 (validate_else): Expect a name arg without a leading #.
5854 (if_directive_name): Delete.
5855 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
5856 directive handlers with only one argument.
5858 * cpphash.h: Update prototypes.
5859 (enum node_type): Remove entries for directives.
5860 * Makefile.in: Update dependencies.
5862 * cpphash.c (dump_hash_helper): Only dump nodes of type
5863 T_MACRO. Emit a newline after each definition.
5865 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5867 * gccbug.in: New file.
5868 * configure.in (all_outputs): Add gccbug.
5869 * Makefile.in (install-common): Install gccbug.
5870 (GCCBUG_INSTALL_NAME): New variable.
5871 * configure: Rebuilt.
5873 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5875 * function.c (put_var_into_stack): Use type_for_mode to calculate
5876 part_type. Use MEM_SET_IN_STRUCT_P.
5877 * expr.c (store_field): Handle CONCAT.
5878 (store_constructor): Use fields_length.
5879 * tree.c (fields_length): New fn.
5880 * tree.h: Declare it.
5882 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5884 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
5885 (cpplex.o): New target.
5886 * po/POTFILES.in: Add cpplex.c.
5888 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
5889 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
5890 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
5891 skip_block_comment, skip_line_comment, skip_comment,
5892 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
5893 _cpp_parse_name, skip_string, parse_string,
5894 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
5895 _cpp_get_directive_token, find_position,
5896 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
5897 (maybe_macroexpand, _cpp_lex_token): New functions.
5899 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
5900 parse_goto_mark): Delete.
5901 (_cpp_handle_eof): New function.
5902 (_cpp_handle_directive): Rename from handle_directive.
5903 (_cpp_output_line_command): Rename from output_line_command.
5904 (do_if, do_elif): Call _cpp_parse_expr directly.
5905 * cppfiles.c (_cpp_read_include_file): Don't call
5906 init_input_buffer here.
5907 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
5908 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
5909 here; pop the token_buffer and skip the rest of the line here.
5910 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
5913 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
5915 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
5916 CPP_GOTO_MARK): New macros.
5917 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
5918 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
5919 _cpp_read_and_prescan, _cpp_init_input_buffer,
5920 _cpp_grow_token_buffer, _cpp_get_directive_token,
5921 _cpp_handle_directive, _cpp_handle_eof,
5922 _cpp_output_line_command): Prototype them here.
5923 * cpplib.h (enum cpp_token): Add CPP_MACRO.
5924 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
5925 quote_string, output_line_command): Remove.
5927 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
5929 * stmt.c (expand_end_case): RANGE may be signed, and when checking
5930 whether it is too large we must also verify that it isn't negative.
5932 2000-03-13 Jakub Jelinek <jakub@redhat.com>
5934 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
5935 (movsi_zero_liveg0): Remove.
5936 (movsf_insn_novis_liveg0): Remove.
5938 (negsi2_not_liveg0): Rename to negsi2.
5939 (one_cmplsi2): Remove.
5940 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
5941 (one_cmplsi2_liveg0): Remove.
5942 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
5943 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
5944 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
5945 (PREDICATE_CODES): Remove zero_operand.
5946 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
5947 TARGET_BROKEN_SAVERESTORE.
5948 (zero_operand): Remove.
5949 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
5950 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
5952 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5953 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
5954 TARGET_BROKEN_SAVERESTORE): Remove.
5955 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5957 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5959 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5962 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
5964 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5966 * cpplib.c (do_pragma_implementation): Fix off-by-one error
5967 truncating a string. Don't assume tokens are nul terminated.
5968 Problem noted by Andreas Jaeger <aj@suse.de>
5970 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5972 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
5973 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
5974 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
5976 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
5978 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
5979 STRUCTURE_SIZE_BOUNDARY.
5981 2000-03-13 Mark Mitchell <mark@codesourcery.com>
5983 * tree.h (record_layout_info_s): New structure.
5984 (record_layout_info): New type.
5985 (new_record_layout_info): New function.
5986 (layout_field): Likewise.
5987 (finish_record_layout): Likewise.
5988 * stor-layout.c (layout_record): Remove.
5989 (new_record_layout_info): New function.
5990 (layout_field): New function, broken out from layout_record.
5991 (finalize_record_size): Likewise.
5992 (compute_record_mode): Likewise.
5993 (finalize_type_size): New function, broken out from layout_type.
5994 (finish_record_layout): Likewise.
5995 (layout_type): Use them.
5997 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5999 * cpphash.c: Don't include version.h.
6000 (special_symbol) [case T_VERSION]: Look for the string in
6001 hp->value.cpval; don't use version_string.
6002 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6003 __VERSION__ to version_string.
6004 * Makefile.in (cpphash.o): Update deps.
6006 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6008 Convert cpplib to use libiberty/hashtab.c.
6010 * cpplib.h (struct cpp_reader): Make hashtab and
6011 all_include_files of type 'struct htab *'. Delete HASHSIZE
6012 and ALL_INCLUDE_HASHSIZE macros.
6014 * cpphash.h: Update prototypes.
6015 (struct hashnode): Remove next, prev, and bucket_hdr members.
6016 Make length a size_t. Add hash member.
6017 (struct ihash): Remove next member. Add hash member. Make
6018 name a flexible array member.
6020 * cppfiles.c: Include hashtab.h.
6021 (include_hash): Delete.
6022 (IHASHSIZE): New macro.
6023 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6024 (cpp_included): Do the hash lookup here.
6025 (_cpp_find_include_file): Rewrite.
6026 (cpp_read_file): Put the "fake" hash entry into the hash
6027 table. Honor the control_macro, if it turns out we've seen
6028 the file before. Don't push the buffer here.
6029 (_cpp_read_include_file): Push the buffer here.
6030 (OMODES): New macro. Use it whenever we call open(2).
6032 * cpphash.c: Include hashtab.h.
6033 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6034 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6035 _cpp_lookup_slot): New functions.
6036 (HASHSIZE): new macro.
6037 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6038 (_cpp_lookup): Use hashtab.h routines.
6040 * cppinit.c: Include hashtab.h.
6041 (cpp_reader_init): Call _cpp_init_macro_hash and
6042 _cpp_init_include_hash. Don't allocate hashtab directly.
6043 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6044 pfile->all_include_files.
6045 (initialize_builtins): Use _cpp_make_hashnode and
6046 htab_find_slot to add hash entries.
6047 (cpp_finish): Just call _cpp_dump_macro_hash.
6048 * cpplib.c: Include hashtab.h.
6049 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6050 create hash entries.
6051 (do_pragma_poison, do_assert): Likewise.
6052 (do_include): Don't push the buffer here. Don't increment
6053 system_include_depth unless _cpp_read_include_file succeeds.
6054 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6056 (do_pragma_implementation): Use alloca to create copy.
6058 * Makefile.in: Update dependencies.
6060 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6062 * cppinit.c (cl_directive_handler): More K&R fixing.
6064 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6066 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6068 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6070 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6072 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6073 Change from char[] to macros.
6075 2000-03-12 Neil Booth <NeilB@earthling.net>
6077 * cppinit.c (cpp_start_read): Update indirect function
6080 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6082 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6085 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6086 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6088 2000-03-11 Neil Booth <NeilB@earthling.net>
6090 * cppinit.c (struct pending option): Replace undef with a
6091 pointer to a directive handling routine.
6092 (struct cpp_pending): Replace separate assert_ and define_
6093 lists with one directive_ list.
6094 (new_pending_define): Rename new_pending_directive. Extra
6095 argument is the directive's handling routine.
6096 (handle_option): Update to use new_pending_directive.
6098 2000-03-11 Neil Booth <NeilB@earthling.net>
6100 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6101 remap_filename, _cpp_read_include_file, actual_directory,
6102 hack_vms_include_specification): Replace bcopy(), index() etc
6103 calls. Add casts to some allocations. Make some variables
6104 pointers to const [unsigned] char.
6105 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6106 collect_formal_parameters): Similarly.
6107 * cppinit.c (struct pending_option, append_include_chain,
6108 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6109 cpp_start_read, new_pending_define, handle_option): Similarly.
6110 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6111 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6112 do_pragma_implementation, detect_if_not_defined,
6113 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6114 do_assert, do_unassert): Similarly.
6115 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6116 function prototypes.
6117 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6119 2000-03-10 Richard Henderson <rth@cygnus.com>
6121 * builtins.c (expand_builtin_strlen): Revert last change.
6122 Use emit_insn_before if we're at the beginning of a sequence.
6124 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6126 * builtins.c (expand_builtin_strlen): Make sure that we have something
6127 at the beginning of the sequence.
6129 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6132 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6134 2000-03-10 Richard Henderson <rth@cygnus.com>
6136 * except.c (can_throw): Use INTVAL on a CONST_INT.
6137 (reachable_handlers): Likewise.
6138 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6140 2000-03-10 Andreas Jaeger <aj@suse.de>
6142 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6143 MD_STARTFILE_PREFIX since those are not needed on linux.
6144 (ASM_FILE_START): New, from mips/gnu.h.
6146 2000-03-09 Richard Henderson <rth@cygnus.com>
6147 Alex Samuel <samuel@codesourcery.com> and others
6149 * Makefile.in (ssa.o): New rule.
6151 (STAGESTUFF): Add *.ssa and *.ussa.
6152 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6153 * rtl.def (PHI): New RTL expression.
6154 * rtl.h (clear_log_links): New declaration.
6155 (convert_to_ssa): Likewise.
6156 (convert_from_ssa): Likewise.
6157 * flow.c (split_edge): If the entry node falls through to the
6158 split edge's source block, split the entry edge.
6159 (clear_log_links): New function.
6160 * toplev.c (ssa_dump): New variable.
6161 (flag_ssa): Likewise.
6162 (f_options): Add "ssa".
6163 (compile_file): Create SSA dump files.
6164 (rest_of_compilation): Go to and from SSA if enabled.
6165 (decide_d_option): Handle -de for SSA dump files.
6168 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6170 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6173 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6175 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6177 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6179 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6180 (MD_STARTFILE_PREFIX_1): New macro.
6182 2000-03-09 Robert Lipe <robertl@sco.com>
6184 * config/ia64/ia64.c: Include system.h.
6186 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6188 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6189 (init_eh_nesting_info): Likewise.
6191 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6192 (TREE_NOTHROW): Rename from TREE_RAISES.
6193 * toplev.c (rest_of_compilation): Set it.
6194 * print-tree.c (print_node): Adjust.
6195 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6196 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6197 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6198 REG_EH_REGION note as appropriate.
6199 (libfunc_nothrow): New fn.
6200 (emit_library_call, emit_library_call_value): Use it.
6201 (expand_call): Check TREE_NOTHROW.
6203 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6204 DECL_ASSEMBLER_NAME.
6206 2000-03-09 Andreas Jaeger <aj@suse.de>
6208 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6209 (TARGET_MEM_FUNCTIONS): Define.
6211 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6213 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6215 * except.c (can_throw): See through a SEQUENCE.
6216 (nothrow_function_p): New fn.
6217 * except.h: Declare it.
6218 * function.c (current_function_nothrow): New var.
6219 (prepare_function_start): Initialize it.
6220 * output.h: Declare it.
6221 * toplev.c (rest_of_compilation): Set it.
6222 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6224 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6226 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6227 match. (cpp_compare_defs): Count the nul separator when
6228 advancing over argument names.
6230 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6232 * recog.c (preprocess_constraints): Matching constraints affect
6233 same alternative/different operand, not same operand/different
6236 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6237 register and a constant specially.
6239 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6241 * libgcc2.h: New file.
6242 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6244 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6246 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6247 * configure: Regenerate.
6250 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6252 * Makefile.in (LIBCPP_DEPS): New macro.
6253 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6255 * cpperror.c: Include cpphash.h.
6256 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6258 (lex): Don't use CPP_WARN_UNDEF.
6259 (_cpp_parse_expr): Return an int, the truth value.
6260 * cppfiles.c: Include cpphash.h.
6261 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6262 * cppinit.c (include_defaults_array): Disentangle.
6263 (cpp_cleanup): Don't free the if stack here.
6264 (cpp_finish): Pop off all buffers, not just one.
6265 * cpplib.c (eval_if_expr): Return int.
6266 (do_xifdef): Rename do_ifdef.
6267 (handle_directive): Don't use CPP_PREPROCESSED.
6268 (cpp_get_token): Don't use CPP_C89.
6269 * fix-header.c: Don't use CPP_OPTIONS.
6271 * cpplib.h: Move U_CHAR, enum node_type, struct
6272 file_name_list, struct ihash, is_idchar, is_idstart,
6273 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6274 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6275 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6276 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6277 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6278 of _cpp_simplify_pathname, _cpp_find_include_file,
6279 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6280 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6282 Change all uses of U_CHAR to be unsigned char instead.
6283 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6285 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6287 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6288 (dwarf2out_begin_prologue): Set it.
6289 (output_call_frame_info): Don't emit EH unwind info for leaves.
6291 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6292 can occur outside of an EH region.
6293 * except.c: Correct comments about rethrow behavior.
6294 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6296 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6298 * flow.c (make_edges): Always call make_eh_edge for calls.
6300 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6302 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6303 (struct cpp_buffer): Remove fname and underflow fields.
6304 (struct cpp_reader): Remove get_token field.
6305 (struct include_hash): Rename to struct ihash. Add typedef to
6307 (struct if_stack): Remove fname field.
6308 (IF_STACK_FRAME): Rename to IF_STACK.
6310 * cpperror.c (print_containing_files): Trust that there are no
6311 macro buffers below the top file buffer.
6312 * cppfiles.c: Replace all references to 'struct include_hash'
6313 with 'IHASH'. Rename initialize_input_buffer to
6314 init_input_buffer. Don't set or reference cpp_buffer->fname,
6315 use buffer->ihash->name instead.
6316 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6317 not CPP_NULL_BUFFER.
6318 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6319 IF_STACK_FRAME, IHASH not struct include_hash.
6320 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6321 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6322 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6323 references to cpp_buffer->fname (delete entirely, or use
6324 ->ihash->name instead) and IF_STACK->fname.
6325 (cpp_push_buffer): Don't set new->underflow.
6326 (do_include): Use cpp_file_buffer.
6328 * cpphash.c (collect_formal_parameters): Remove duplicate
6329 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6330 used as a macro argument name. Don't append "..." to namebuf
6331 for varargs macros. After we're done scanning, go through
6332 namebuf and make it NUL separated, not comma separated.
6333 (_cpp_compare_defs): Remove register tag from variables.
6334 Expect defn->argnames to be NUL separated.
6335 (_cpp_dump_definition): Expect defn->argnames to be NUL
6336 separated and in forward order.
6337 * cpphash.h: Update documentation of argnames field.
6339 2000-03-08 Richard Henderson <rth@cygnus.com>
6341 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6342 to fail. Don't pre-expand the source operand.
6344 * i386.md (strlensi): Initialize eoschar and align before use.
6346 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6348 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6349 CONSTRUCTOR element.
6351 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6353 * mips.c (mips_expand_prologue): If the last
6354 named argument is the vararg marker "va_list", treat it as
6355 an unnamed argument.
6357 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6359 * dbxout.c (dbxout_parms): When correcting for promoted
6360 big-endian parameters, use the mode of the DECL_RTL rather
6361 than UNITS_PER_WORD.
6363 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6365 * c-common.h (make_fname_decl): Declare.
6366 * c-common.c (make_fname_decl): Define.
6367 (declare_hidden_char_array): Remove.
6368 (declare_function_name): Use make_fname_decl.
6369 * c-decl.c (c_make_fname_decl): New function.
6370 (init_decl_processing): Set make_fname_decl.
6372 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6374 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6376 2000-03-07 Philipp Thomas <pthomas@suse.de>
6378 * po/POTFILES.in: Remove cppalloc.c from file list.
6380 2000-03-07 Steve Chamberlain <sac@pobox.com>
6382 * pj.c (pj_expand_prologue): current_function->args_info is
6383 now current_function_args_info.
6385 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6386 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6387 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6389 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6391 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6392 output as hexadecimal rather than the default octal.
6394 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6396 * cpphash.c (special_symbol): Fix thinko in previous commit.
6398 2000-03-07 Neil Booth <NeilB@earthling.net>
6400 * cppexp.c (struct operation, left_shift, right_shift,
6401 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6402 "int"s to "unsigned int"s.
6403 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6405 * cpplib.h: Update for above.
6406 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6407 returned from allocations.
6409 * cppinit.c (opt_comp, parse_options): New functions.
6410 (handle_option): Use parse_option to parse a single command
6411 line option, that possibly takes an argument.
6412 (cpp_handle_options): Sort the array of command line options on
6413 first invocation (non-ASCII hosts only).
6414 (print_help): Update.
6416 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6418 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6419 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6421 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6423 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6425 * cpperror.c (cpp_print_containing_files,
6426 cpp_print_file_and_line, v_cpp_message): Rename to
6427 print_containing_files, print_file_and_line, and v_message.
6428 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6429 to _cpp_parse_expr, parse_escape, and lex.
6430 (parse_charconst): Remove broken multibyte support.
6431 * cppfiles.c (include_hash): Make static.
6432 (cpp_included): New function.
6433 (merge_include_chains, find_include_file, finclude,
6434 simplify_pathname): Rename to _cpp_merge_include_chains,
6435 _cpp_find_include_file, _cpp_read_include_file, and
6436 _cpp_simplify_pathname.
6437 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6438 cpp_install, create_definition, macroexpand, compare_defs,
6439 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6440 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6441 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6442 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6444 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6446 * cpphash.h: Update prototypes.
6447 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6449 2000-03-07 Andrew Haley <aph@cygnus.com>
6451 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6452 PTRDIFF_TYPE should be based solely on Pmode.
6455 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6457 * rtl.h (rtunion_def): Constify member `rtstr'.
6458 (emit_line_note_after, emit_line_note, emit_line_note_force,
6459 emit_note, decode_asm_operands): Constify.
6461 * cse.c (canon_hash): Likewise.
6463 * dbxout.c (dbxout_block): Likewise.
6465 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6466 v_warning_for_asm): Likewise.
6468 * dwarfout.c (function_start_label): Likewise.
6470 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6471 emit_line_note_force): Likewise.
6473 * final.c (last_filename, asm_insn_count, final_scan_insn,
6474 output_source_line): Likewise.
6476 * function.h (struct emit_status): Likewise.
6478 * gcse.c (hash_expr_1): Likewise.
6480 * genattr.c (gen_attr, main): Likewise.
6482 * genattrtab.c (struct function_unit, current_alternative_string,
6483 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6484 attr_numeral, check_attr_test, check_attr_value,
6485 convert_set_attr_alternative, convert_set_attr,
6486 compute_alternative_mask, simplify_by_exploding, gen_attr,
6487 gen_unit): Likewise.
6489 * genflags.c (gen_insn): Likewise.
6491 * gengenrtl.c (type_from_format): Likewise.
6493 * genopinit.c (gen_insn): Likewise.
6495 * genoutput.c (n_occurrences, process_template, process_template):
6498 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6501 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6504 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6505 ggc_set_mark, ggc_get_size): Likewise.
6507 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6509 * optabs.c (init_one_libfunc): Likewise.
6511 * output.h (assemble_start_function): Likewise.
6513 * recog.c (decode_asm_operands): Likewise.
6515 * toplev.c (rest_of_compilation): Likewise.
6517 * tree.h (emit_line_note_after, emit_line_note,
6518 emit_line_note_force): Likewise.
6520 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6521 asm_emit_uninitialised, assemble_start_function,
6522 assemble_variable, const_hash, compare_constant_1,
6523 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6525 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6527 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6529 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6531 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6533 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6534 arm_dllimport_name_p): Likewise.
6536 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6539 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6541 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6543 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6544 arm_mark_dllexport, arm_mark_dllimport,
6545 arm_pe_encode_section_info): Likewise.
6547 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6548 ASM_FINISH_DECLARE_OBJECT): Likewise.
6550 * arm/thumb.c (thumb_function_prologue): Likewise.
6552 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6554 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6556 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6558 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6560 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6562 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6564 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6565 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6567 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6569 * i386/i386.c (asm_output_function_prefix): Likewise.
6571 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6573 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6575 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6577 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6578 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6579 ASM_OUTPUT_SECTION_NAME): Likewise.
6581 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6583 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6585 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6587 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6589 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6591 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6593 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6595 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6597 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6599 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6601 * mips/mips.md (movdi, movsi): Likewise.
6603 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6605 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6607 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6609 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6610 ASM_OUTPUT_ASCII): Likewise.
6612 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6613 output_mi_thunk, output_toc): Likewise.
6615 * rs6000/rs6000.md (movsi): Likewise.
6617 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6619 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6621 * v850/v850.c (print_operand, print_operand_address,
6622 v850_encode_data_area): Likewise.
6624 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6626 * config/mips/mips.md (zero_extendsidi2): Always force operand
6627 one to memory for mips16.
6629 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6631 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6632 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6633 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6634 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6635 (min_precision): Result is unsigned.
6636 (add_double, neg_double, mul_double): Low word is unsigned.
6637 (lshift_double, rshift_double, lrotate_double): Likewise.
6638 (rrotate_double, div_and_round_double): Likewise.
6639 (tree_floor_log2, compare_tree_int): New functions.
6640 (preserve_rtl_expr_temps): New declaration.
6641 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6642 (decl_attributes): Use tree_log2 to find alignment.
6643 Check for TREE_INT_CST_HIGH for format args.
6644 (min_precision): Now unsigned.
6645 Use tree_floor_log2.
6646 (truthvalue_conversion): Delete long-disabled code.
6647 * c-decl.c (finish_struct): Clean up tests on field width.
6648 (finish_function): Use compare_tree_int.
6649 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6650 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6651 (default_conversion, digest_init): Use compare_tree_int.
6652 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6653 Fix type errors in forming masks.
6654 * calls.c (initialize_argument_information): Use compare_tree_int.
6655 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6656 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6657 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6658 (store_field): Use compare_tree_int.
6659 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6660 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6661 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6662 (do_store_flag): Use compare_tree_int.
6663 * fold-const.c (encode, decode): Low part is always unsigned.
6664 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6665 (lshift_double, rshift_double, lrotate_double): Likewise.
6666 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6667 (fold_convert): Use compare_tree_int.
6668 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6669 (invert_truthvalue, case INTEGER_CST): Likewise.
6670 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6671 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6672 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6673 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6675 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6676 (expand_end_case): Use compare_tree_int.
6677 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6678 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6679 (layout_decl): Likewise.
6680 (layout_record, layout_union): Make sizes unsigned.
6681 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6682 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6683 * tree.c (struct type_hash): hashcode is unsigned.
6684 (build_type_attribute_variant, type_hash_list): Likewise.
6685 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6686 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6687 (build_complex_type): Likewise.
6688 (real_value_from_int_cst): Remove unneeded casts.
6689 (integer_all_onesp): Add casts.
6690 (tree_floor_log2, compare_tree_int): New functions.
6691 (build_index_type): Use tree_int_cst_sgn.
6692 * varasm.c (assemble_variable): Use compare_tree_int.
6694 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6696 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6698 * varasm.c (make_decl_rtl): Don't add a number to members of
6700 (make_function_rtl): Likewise.
6702 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6704 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6705 patch from 2000-01-28.
6707 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6709 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6710 filled with an insn from the jump target.
6712 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6714 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6715 (c4x_external_ref): Likewise.
6716 * config/c4x/c4x.c (struct name_list): Likewise.
6718 1999-12-16 Ben Collins <bcollins@debian.org>
6720 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6721 argument to genmultilib.
6722 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6723 the contents into the multilib.h header.
6724 * gcc.c: Declare multilib_exclusions for the specs file.
6725 (set_multilib_dir): Use it.
6726 (print_multilib_info): Likewise.
6727 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6728 to pass to genmultilib.
6730 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6732 * builtins.c (built_in_class_names, built_in_names): Constify a
6735 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6737 (_mcleanup): Ensure value matches format specifier in sprintf.
6739 * cpphash.c (special_symbol): Don't needlessly cast away
6742 * cppinit.c (base_name): Delete unused prototype.
6744 * mkdeps.c (deps_init): Make definition K&R safe.
6746 * tree.h (built_in_class_names, built_in_names): Constify a
6749 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6751 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6752 floating point instructions for epilogue delay.
6754 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6755 to gas if it supports .register pseudo.
6757 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6758 LONG_DOUBLE_TYPE_SIZE if not defined.
6759 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6760 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6762 * gengenrtl.c: Likewise.
6763 * print-rtl.c: Likewise.
6765 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6766 MASK_LONG_DOUBLE_128.
6767 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6768 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6769 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6770 (SUBTARGET_SWITCHES): Define.
6771 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6772 with -mlong-double-128.
6773 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6774 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6775 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6776 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6777 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6778 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6779 with -mlong-double-128.
6780 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6781 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6782 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6783 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6784 TARGET_LONG_DOUBLE_128): Define.
6785 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6786 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6787 long double on TARGET_ARCH64.
6789 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6791 * function.c (free_temps_for_rtl_expr): Don't free slots
6792 that have been pushed into a higher level.
6795 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6797 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6799 * basic-block.h (ALLOCA_REG_SET): Remove.
6800 (INITIALIZE_REG_SET): New macro.
6801 * flow.c (update_life_info): Use it.
6802 (calculate_global_regs_live): Likewise.
6803 (propagate_block): Likewise.
6804 * global.c (build_insn_chain): Likewise.
6805 * haifa-sched.c (schedule_region): Likewise.
6807 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6809 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6810 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6811 (DWARF_ARANGES_PAD_SIZE): New define.
6812 (output_aranges): Use it to pad the address range header.
6813 (DWARF_ROUND): Fix for non power of 2 rounding.
6815 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6817 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6819 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6821 * tree.def (RTL_EXPR): Update documentation.
6822 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6823 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6824 * function.c (preserve_rtl_expr_temp): New function.
6825 (preserve_rtl_expr_temps): Likewise.
6826 (preserve_rtl_expr_result): Use it.
6829 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6831 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
6833 * regmove.c (copy_src_to_dest) Do not create src->dest move
6834 for unchanging destination.
6836 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6838 * function.h (struct sequence_stack): Remove rtl_expr.
6839 (struct emit_staus): Likewise.
6840 (seq_rtl_expr): Remove.
6841 * tree.h (free_temps_for_rtl_expr): Don't declare.
6842 (start_sequence_for_rtl_expr): Likewise.
6843 * rtl.h (preserve_rtl_expr_result): Likewise.
6844 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
6845 (start_sequence_for_rtl_expr): Remove.
6846 (push_topmost_sequence): Don't save sequence_rtl_expr.
6847 (pop_topmost_sequence): Remove comment about not restoring it.
6848 (end_sequence): Don't set seq_rtl_expr.
6849 (init_emit): Don't initialize it.
6850 (mark_sequence_stack): Don't mark it.
6851 (mark_emit_status): Likewise.
6852 * except.c (protect_with_terminate): Use
6853 start_sequence_for_rtl_expr, not start_sequence.
6854 * expr.c (expand_expr, case RTL_EXPR): Don't call
6855 preserve_rtl_expr_result or free_temps_for_rtl_expr.
6856 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
6857 (preserve_rtl_expr_result): Remove.
6858 (free_temps_for_rtl_expr): Likewise.
6859 (pop_temp_slots): Likewise.
6860 (mark_temp_slot): Don't mark the rtl_expr.
6861 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
6862 start_sequence_for_rtl_expr.
6864 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
6866 * mkdeps.c, mkdeps.h: New files.
6867 * po/POTFILES.in: Add them.
6868 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6869 (cpplib.o, cppinit.o): Depend on mkdeps.h.
6870 (mkdeps.o): New target.
6872 * cppfiles.c: Delete deps_output.
6873 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
6874 OBJECT_SUFFIX, and base_name.
6875 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
6877 (initialize_dependency_output): Use deps_init,
6878 deps_add_target, deps_calc_target, and deps_add_dep. Remove
6879 all the unnecessary string bashing.
6880 (cpp_finish): Use deps_write. Remove an unnecessary nesting
6882 * cpplib.c (do_include): Use deps_add_dep.
6883 * cpplib.h (struct cpp_reader): Replace deps_buffer,
6884 deps_allocated_size, deps_size, deps_column members with
6885 single pointer to a struct deps. Delete prototype of
6888 * cppinit.c: Fix thinko in previous patch.
6890 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6892 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
6893 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
6894 (mode_for_size_tree): New function.
6895 (layout_decl, layout_type): Call it and clean up BLKmode checks.
6896 * tree.h (mode_for_size_tree): New declaration.
6898 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
6900 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
6902 * stmt.c (is_body_block): Move...
6903 * dwarfout.c, dwarf2out.c: ...from here.
6904 * tree.h: Declare it.
6905 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
6906 * final.c (final_start_function): Do call remove_unnecessary_notes
6909 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6911 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
6913 * cpplib.h (_dollar_ok): New macro.
6914 (is_idchar, is_idstart): Use it.
6915 (IStable): Rename to _cpp_IStable. Declare it const if
6916 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
6917 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
6918 is_space): Update for renamed IStable.
6920 * cppinit.c: Delete all references to FAKE_CONST and CAT
6921 macros. Define init_IStable as empty macro if gcc >=2.7 or
6922 C99. Change TABLE() to ISTABLE and hardcode name of table.
6923 (cpp_start_read): Don't change the IStable based on
6926 * cpphash.c (unsafe_chars): Add pfile argument. All callers
6927 changed. Handle '$' for char1 correctly.
6928 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
6930 * cppexp.c (tokentab2): Make const.
6931 (cpp_lex): Make toktab const.
6932 * cppinit.c (include_defaults_array): Make const.
6933 (initialize_standard_includes): Make default_include const.
6935 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6937 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
6938 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
6939 (gen_decl_die): Likewise.
6940 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
6941 (output_decl): Likewise.
6943 * varasm.c (make_function_rtl): If we change the name used in the
6944 rtl, update DECL_ASSEMBLER_NAME accordingly.
6945 (make_decl_rtl): Likewise.
6947 * toplev.c (rest_of_compilation): Tweak formatting.
6949 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
6950 remove_unnecessary_notes.
6951 (debug_ignore_block): New fn.
6952 * toplev.h: Declare it.
6953 * emit-rtl.c (remove_unncessary_notes): Call it.
6954 * dwarf2out.c (dwarf2out_ignore_block): New fn.
6955 * dwarf2out.h: Declare it.
6956 * final.c (final_start_function): Don't call remove_unnecessary_notes
6957 if we did insn scheduling.
6959 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6961 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
6962 * cpplib.h: Delete SET_CPP_PEDANTIC.
6964 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6966 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
6967 result is a RECORD_TYPE.
6969 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
6971 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
6973 2000-03-03 Richard Henderson <rth@cygnus.com>
6975 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
6976 addition over compliments over shifts.
6978 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6980 * reload1.c (reload_combine_note_use): Handle return register USEs.
6981 REG case: Handle multi-hard-register hard regs.
6983 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6985 * md.texi: Document use of '*' in insn pattern name.
6987 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6989 * calls.c (special_function_p): operator new may not be malloc-like.
6991 * gcse.c (dump_hash_table): Really fix error in last change.
6993 2000-03-02 Denis Chertykov <denisc@overta.ru>
6995 * avr.c (print_operand): Use print_operand_address instead of
6997 * avr/libgcc.S: Cleanup code.
6999 2000-03-02 Richard Henderson <rth@cygnus.com>
7001 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7003 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7005 * tree.h (TYPE_ALIGN_UNIT): New macro.
7007 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7009 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7011 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7013 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7015 (SET_CPP_PEDANTIC): New macro.
7016 * cpplib.c (do_include): Don't bother checking system_header_p.
7017 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7018 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7020 * function.h (struct expr_status): Add x_arg_space_so_far.
7021 (arg_space_so_far): New macro.
7022 * expr.c (init_expr): Initialize it.
7023 * calls.c (emit_call_1): Reset it.
7024 (compute_argument_block_size, expand_call): Use it.
7025 (expand_call, store_one_arg): Increment it.
7027 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7029 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7032 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7034 * cppfiles.c (cpp_read_file): New function.
7036 * cpphash.c (collect_expansion): Make sure to reset last_token
7037 to NORM when we hit a string. Handle trailing whitespace
7038 properly when the expansion is empty.
7039 (create_definition): Disable line commands while parsing the
7041 (dump_definition): If pfile->lineno == 0, output a line
7042 command ahead of the dump, and add a trailing newline.
7044 * cppinit.c (append_include_chain): Add fifth argument, which
7045 indicates whether or not system headers are C++ aware.
7046 (initialize_standard_includes): New function,
7047 broken out of read_and_prescan. Pass 'cxx_aware' value from
7048 the include_defaults_array on to append_include_chain.
7049 (dump_special_to_buffer): Const-ify char array.
7050 (builtin_array): Don't dump __BASE_FILE__.
7051 (cpp_start_read): Use cpp_read_file. Reorder code for
7052 clarity. Don't output line commands here for -D/-A/-U
7053 switches. Don't call deps_output for files included with
7054 -include or -imacros.
7056 * cpplib.c (do_define): Don't pay any attention to the second
7058 (cpp_expand_to_buffer): Disable line commands while scanning.
7059 (output_line_command): Work in the file buffer.
7060 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7061 Fix formatting of comments. Prototype cpp_read_file.
7063 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7065 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7066 reference the language-equivalent of sizetype.
7067 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7068 * fold-const.c (size_binop, size_diffop): Put back checks.
7069 * gcse.c (dump_hash_table): Fix minor error in last change.
7070 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7071 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7074 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7076 * calls.c (expand_call) Do not attempt to combine stack adjustments
7077 with inhibit_defer_pop set.
7079 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7081 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7082 the DECL_SIZE for a FIELD_DECL.
7084 2000-03-01 Bruce Korb <bkorb@gnu.org>
7086 * fixinc/inclhack.tpl: remove unused symlinks
7087 * fixinc/README: GCC Maintainer info
7088 * fixinc/inclhack.sh: regen
7089 * fixinc/fixincl.sh: regen
7091 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7093 * cpphash.c (collect_expansion): Trim trailing white space
7094 from macro definitions, but don't go past the last insertion
7097 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7099 * i386.md (mulqi3): New pattern.
7101 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7103 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7105 (struct cpp_reader): Add parsing_if_directive and
7106 parsing_define_directive flags.
7107 (struct cpp_options): Remove output_conditionals flag.
7108 (check_macro_name): Delete prototype.
7110 * cpphash.h (struct macrodef): Delete.
7111 (struct reflist): Separate from struct definition.
7112 (struct definition): Remove unused fields. Add column number.
7113 (create_definition): Returns a DEFINITION *. Takes a
7114 cpp_reader * and an int.
7116 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7117 (PEEKC): Copy defn from cpplib.c.
7118 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7120 (struct arglist): Simplify.
7121 (collect_expansion): Rewrite. Get tokens by calling
7122 cpp_get_token. Add more error checking.
7123 (collect_formal_parameters): New function, broken out of
7124 create_definition and reworked to use get_directive_token.
7125 (create_definition): All real work is now in collect_expansion
7126 and collect_formal_parameters. do_define handles finding the
7127 macro name. Return a DEFINITION, not a MACRODEF.
7128 (macroexpand): Replace bcopy with memcpy throughout. Replace
7129 character-at-a-time copy loop with memcpy and pointer increments.
7130 (compare-defs): d1->argnames / d2->argnames might be null.
7132 * cpplib.c (copy_rest_of_line): Delete function.
7133 (skip_rest_of_line): Do all the work ourselves.
7134 (skip_string): New function.
7135 (parse_string): Use skip_string.
7136 (get_macro_name): New function.
7137 (check_macro_name): Delete.
7138 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7139 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7140 (handle_directive): ICE if we're called on a macro buffer.
7141 (do_define): Determine macro name and type (funlike/objlike)
7142 here. Expunge all uses of MACRODEF.
7143 (cpp_push_buffer): Set line_base to NULL.
7144 (do_undef, read_line_number): Don't worry about getting a POP token.
7145 (eval_if_expression): Set/reset parsing_if_directive around
7146 cpp_parse_expr. Don't clear only_seen_white.
7147 (skip_if_group): Remove output_conditionals logic. Use
7149 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7150 tokens under appropriate conditions.
7151 (cpp_unassert): Call do_unassert not do_assert. Oops.
7153 * cppexp.c (parse_defined): New function, break out of
7155 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7156 ourselves, with cpp_defined.
7157 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7159 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7160 * gcc.dg/strpaste-2.c: New.
7162 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7164 * fold-const.c (size_binop): Don't asert inputs are the same and
7165 have TYPE_IS_SIZETYPE set.
7166 (size_diffop): Likewise.
7168 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7170 * dwarfout.c (output_block): Output abstract blocks even if they
7171 don't have TREE_ASM_WRITTEN set.
7173 * calls.c (emit_library_call): Check for null REG.
7175 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7177 * c-decl.c (current_function_decl): Move to toplev.c.
7178 (init_decl_processing): Don't add current_function_decl as a ggc
7180 * dbxout.c (dbxout_symbol): Change return type to int.
7181 (dbxout_symbol_location, dbxout_syms): Likewise.
7182 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7183 any locals. Use current_function_func_begin_label if set.
7184 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7185 * dwarf2out.c (dwarf2out_begin_prologue): Set
7186 current_function_func_begin_label.
7187 * final.c (final_start_function): Reset it.
7188 * toplev.c (current_function_decl): Define it here.
7189 (current_function_func_begin_label): New variable.
7190 (main): Add both as ggc roots.
7191 * tree.h (current_function_func_begin_label): Declare.
7193 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7195 * gcse.c: Cleanups throughout: mostly white-space, but also
7196 some minor rearrangement of code.
7198 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7200 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7201 returns a PARALLEL. Use emit_group_load and use_group_regs
7203 (emit_library_call_value): Similarly.
7205 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7206 * pa/quadlib.asm: Remove.
7207 * pa/quadlib.c: New file.
7209 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7210 * configure: Rebuilt.
7212 2000-02-29 Philip Blundell <pb@futuretv.com>
7214 * config/arm/conix-elf.h: New file.
7215 * configure.in (arm*-*-conix*): New configuration.
7216 * configure: Regenerate.
7218 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7220 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7221 don't have TREE_ASM_WRITTEN set.
7223 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7225 * Eliminate DECL_FIELD_SIZE.
7226 * builtins.c (built_in_class_names, built_in_names): New variables.
7227 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7228 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7229 DECL_SIZE, not DECL_FIELD_SIZE.
7230 * print-tree.c (print_node): Remove code that prints extra blank
7231 lines in some cases.
7232 Properly handle inline and builtin function cases.
7233 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7234 * tree.h (built_in_class_named, built_in_names): New declarations.
7235 (union tree_decl): Rename internal unions to u1 and u2 and change
7236 some of their components.
7237 Add new field built_in_class.
7238 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7239 Reflect above changes.
7240 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7241 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7242 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7243 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7245 2000-02-28 Dmitri Makarov <dim@windriver.com>
7247 * extend.texi: Document ARM's support for long/short calls.
7249 * invoke.texi: Document ARM's -mlong-calls command line switch.
7251 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7252 (arm_encode_call_attribute): Add prototype.
7253 (arm_set_default_type_attribute): Add prototype.
7254 (arm_strip_name_encoding): Add prototype.
7256 * config/arm/arm.c (arm_init_cumulative_args): replace
7257 initialisation og 'long_calls' field with initialisation of
7258 'call_cookie' field.
7259 (enum arm_pragma_enum): New enum.
7260 (arm_pragma_long_calls): New static variable.
7261 (arm_process_pragma): Also process "#pragma long_calls_off".
7262 (arm_valid_type_attribute_p): Accept short_call attribute.
7263 (arm_comp_type_attributes): Check long/short call attributes.
7264 (arm_encode_call_attribute): New function: Encode long_call
7265 or short_call attribute in function name.
7266 (arm_set_default_type_attributes): New function: Assign
7267 default attributes to newly defined type.
7268 (current_file_function_operand): New function: Return true if
7269 the symbol is a function which has already been compiled.
7270 (arm_is_longcall_p): New function: Return true if the
7271 indicated function should be called via a long call.
7272 (arm_get_strip_length): New function. Returns number of
7273 prefix characters to be stripped from a function's name.
7274 (arm_strip_name_encoding): New function. Strip prefix characters
7275 from a function's name.
7277 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7279 (SHORT_CALL_FAG_CHAR): Define.
7280 (LONG_CALL_FAG_CHAR): Define.
7281 (ENCODED_SHORT_CALL_ATTR_P): Define.
7282 (ENCODED_LONG_CALL_ATTR_P): Define.
7283 (ARM_NAME_ENCODING_LENGTHS): Define.
7284 (STRIP_NAME_ENCODING): Define.
7285 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7286 (ARM_ENCODE_CALL_TYPE): Define.
7287 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7288 (ARM_DECLARE_FUNCTION_SIZE): Define.
7289 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7291 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7292 if a long call is needed.
7293 (call_value): Ditto.
7294 (call_symbol): Ditto.
7296 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7297 ARM_DECLARE_FUNCTION_SIZE.
7299 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7300 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7301 (ARM_STRIP_NAME_ENCODING): Undefine.
7302 (STRIP_NAME_ENCODING): Undefine.
7303 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7304 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7305 (ASM_OUTPUT_COMMON): Ditto.
7306 (ASM_DECLARE_OBJECT_NAME): Ditto.
7308 * config/arm/pe.c (arm_dllexport_name_p): Check for
7310 (arm_dllimport_name_p): Ditto.
7311 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7312 (arm_mark_dllimport): Ditto.
7314 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7316 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7318 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7320 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7322 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7324 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7325 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7326 NO_BUILTIN_WCHAR_TYPE is not defined.
7327 (CPP_WCHAR_TYPE): Delete.
7328 * cccp.c (main): Don't change wchar_type if cplusplus.
7329 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7331 2000-02-28 Nick Clifton <nickc@cygnus.com>
7333 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7335 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7337 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7338 (ASM_WEAKEN_LABEL): Define.
7340 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7342 * expr.c (store_constructor): Do not emit USE.
7343 * rtl.h (stupid_life_analysis): Remove.
7345 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7347 * function.c (number_blocks): Reset next_block_index based on
7348 what debugging format is used, not what is defined.
7350 * lcm.c: Minor reformatting throughout.
7351 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7353 * toplev.c (rest_of_compilation): Account for time in
7354 optimize_mode_switching.
7356 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7357 if only marking labels.
7359 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7361 * calls.c (expand_call): Attempt to combine stack adjustments with
7362 pending stack adjustments.
7364 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7366 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7367 to the end of the function.
7369 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7371 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7373 * final.c (next_block_index): Remove.
7374 (max_block_depth): Likewise.
7375 (pending_blocks): Likewise.
7376 (init_final): Don't initialize them.
7377 (final_start_function): Don't set next_block_index. Set up
7379 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7380 * function.h (number_blocks): New function.
7381 * function.c (get_block_vector): New function.
7382 (identify_blocks): Use it.
7383 (reorder_blocks): Set NOTE_BLOCK.
7384 (number_blocks): New function.
7385 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7386 * tree.h (BLOCK_NUMBER): New macro.
7387 (tree_block): Add block_num field.
7388 * dbxout.c (next_block_number): Remove.
7389 (dbxout_init): Don't set it.
7390 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7391 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7393 * toplev.c (rest_of_compilation): Always call
7394 find_loop_tree_blocks. Fix indentation.
7395 * dwarf2out.c (next_block_number): Remove.
7396 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7397 to determine block numbers.
7398 (gen_inlined_subroutine_die): Likewise.
7399 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7400 (decls_for_scope): Don't increment next_block_number.
7401 * dwarfout.c (next_block_number): Remove.
7402 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7403 to determine block numbers.
7404 (output_inlined_subroutine_die): Likewise.
7405 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7406 (output_decls_for_scope): Don't increment next_block_number.
7407 * sdbout.c (next_block_number): Remove.
7408 (sdbout_block): Use BLOCK_NUMBER.
7409 (sdbout_begin_block): Simplify.
7410 * xcoffout.c (next_block_number): Remove.
7411 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7412 (xcoffout_begin_block): Don't set next_block_number.
7413 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7416 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7418 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7419 (expand_builtin_strcpy): Pass correct type to size_binop.
7420 (expand_builtin_strcmp): Likewise.
7421 Clean up conditional structure.
7422 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7423 (complete_array_type): Don't use size_binop for MAXINDEX.
7424 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7425 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7426 (c_alignof): Use size_one_node.
7427 (build_unary_op): Pass arg of proper type to size_binop.
7428 (really_start_incremental_init, push_init_level): Use sizetype for
7429 constructor{,_bit,_unfilled}_index.
7430 (pop_init_label, output_init_element): Likewise.
7431 (output_pending_init_elements, process_init_element): Likewise.
7432 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7433 * expr.c (store_expr): Use size_int.
7434 (store_constructor): Use proper types for size_binop args.
7435 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7436 (expand_expr_unaligned): Likewise.
7437 (string_contant): Return object of sizetype.
7438 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7439 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7440 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7441 * fold-const.c (int_const_binop): Refine when size_int is called.
7442 (fold_convert): Likewise.
7443 (size_int_wide): Rework to take KIND as arg, only take low order
7444 bits, handle new sizetype_tab datatype, and chain entries in
7446 (size_int_type_wide): New function.
7447 (size_binop): Validate types of arguments.
7448 (ssize_binop): Deleted.
7449 (size_diffop): New function.
7450 (extract_muldiv): Only fold division into multiplication for sizetypes.
7451 * function.c (assign_parms): Use size_diffop and make sure
7452 VAR field is of ssizetype; also pass proper type to size_binop.
7453 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7454 (round_down): Deleted from here.
7455 * store-layout.c (sizetype_tab): Now an array.
7456 (sizetype_set, early_root_list): New variables.
7457 (variable_size): Use size_one_node.
7458 (round_up): Pass proper type to size_binop.
7459 (round_down): Moved to here and corrected as above.
7460 (layout_record): Pass proper arg types to size_binop.
7461 (layout_type): Likewise.
7462 If sizetype_set is zero, record the type just laid out.
7463 (make_unsigned_type): Don't call set_sizetype;
7464 (make_signed_type): Likewise; also, call fixup_signed_type.
7465 (initialize_sizetypes): New function.
7466 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7467 set name of bitsizetype to "bit_size_type".
7468 Fix up type of sizes of all types made before call.
7469 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7470 * tree.c (fix_sizetype): Deleted.
7471 (build_common_tree_nodes): Call initialize_sizetypes.
7472 (build_common_tree_nodes_2): Don't call fix_sizetype.
7473 * tree.h (TYPE_IS_SIZETYPE): New macro.
7474 (initialize_sizetype): New declaration.
7475 (enum size_type_kind): New type.
7476 (struct sizetype_tab): Deleted.
7477 (sizetype_tab): Now array; adjust sizetype macros.
7478 (size_diffop, size_int_type_wide): New functions.
7479 (size_int_wide): Change number of args and type; access macros changed.
7480 (ssize_int, sbitsize_int): New macros.
7481 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7482 (ROUND_TYPE_SIZE_UNIT): New macro.
7484 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7486 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7488 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7490 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7491 Mark as possibly unused.
7493 * cse.c (cse_insn): Delete dead code involving tablejump.
7494 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7496 * Makefile.in (libcpp.a): Start by deleting it.
7498 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7500 * cpplib.h (enum file_change_code): Added rename_file.
7501 * cpplib.c (do_line): If a filename is given, set file_change to
7503 (output_line_command): If file_change is rename_file, always
7504 output a # directive with the file name.
7506 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7508 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7510 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7511 when copying a PARM_DECL or RESULT_DECL.
7513 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7515 * fix-header.c (recognized_function): Also fix prototypes for
7516 functions taking "void".
7518 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7520 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7521 looking at reg_reloaded_contents.
7523 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7525 * Makefile.in (STMP_FIXINC): New toggle.
7526 (LIBGCC2_DEPS): Delete all references.
7527 (stmp-headers): Delete target. All references either deleted
7528 or changed to stmp-int-headers.
7529 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7530 (LIBCPP_OBJS): Take out cppalloc.o.
7531 (cppalloc.o): Delete target.
7532 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7533 (gen-protos, fix-header): Link with libiberty.a.
7534 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7537 * configure.in: Remove refs to strerror.
7538 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7539 * system.h: Take out strerror stanza.
7541 * cpperror.c (my_strerror): Delete function.
7542 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7543 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7544 * cppalloc.c: Delete file.
7545 * gen-protos.c: Don't provide xrealloc.
7547 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7548 xstrerror throughout.
7550 2000-02-26 Bruce Korb <bkorb@gnu.org>
7552 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7553 match for DOS headers, too.
7554 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7556 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7558 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7559 is right for most ELF targets.
7560 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7561 Let the default file use %U properly.
7562 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7565 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7568 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7570 * toplev.c (documented_lang_options): Correct spelling error.
7571 (decode_d_option, decode_f_option, main): Likewise.
7573 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7575 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7576 to tell assembler it is permitted to expand large constants.
7578 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7580 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7581 (aux_info_suffix): Use.
7582 (SAVE_SUFFIX): New macro.
7584 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7585 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7586 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7588 * invoke.texi (Running Protoize): Update documentation.
7590 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7592 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7594 2000-02-25 John Wehle (john@feith.com)
7596 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7598 2000-02-25 Anthony Green <green@cygnus.com>
7600 * toplev.c (rest_of_compilation): Rebuild jump labels if
7601 combine_instructions has created a new direct jump.
7602 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7604 (combine_instructions): Call try_combine with new argument.
7605 Return non-null value when new direct jump instruction is created.
7606 * rtl.h: combine_instructions returns an int.
7608 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7610 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7611 jump when changing a computed jump into a jump to a known
7614 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7616 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7617 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7619 * i386.md (define_expand "clrstrsi"): Fix typo.
7621 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7623 * rtl.texi: Fix typo.
7625 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7627 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7628 UNITS_PER_WORD. Change caller initial_elimination_offset.
7629 (rounded_frame_size): Take into account that argument pushed has
7630 changed. Fix TARGET_ALIGN_DOUBLE problem.
7632 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7634 * haifa-sched.c (schedule_block): Explain the real reason
7635 we delete REG_SAVE_NOTEs on the first insn of a block.
7636 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7638 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7640 * input.h (push_srcloc): New function.
7641 (pop_srcloc): Likewise.
7642 * toplev.c (push_srcloc): Define it.
7643 (pop_srcloc): Likewise.
7645 2000-02-24 Richard Henderson <rth@cygnus.com>
7647 * flow.c (life_analysis): When collecting reg info, clear
7650 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7652 Fix bug exposed by reload.c no longer rounding the frame
7653 size to BIGGEST_ALIGNMENT:
7654 * sh.c (rounded_frame_size): New function.
7655 (sh_expand_prologue, sh_expand_epilogue): Use it.
7656 (initial_elimination_offset): Likewise.
7658 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7660 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7661 * sh-protos.h (sh_need_epilogue): Declare.
7662 * sh.c (sh_need_epilogue_known): New static variable.
7663 (sh_need_epilogue): New function.
7664 (function_epilogue): Clear need_epilogue_known.
7665 * sh.md (return): Split into expander / insn pattern.
7666 Make the expander conditional on ! sh_need_epilogue ().
7668 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7670 * machmode.h (get_mode_alignment): Declare.
7671 (GET_MODE_ALIGNMENT): Call it.
7672 * stor-layout.c (get_mode_alignment): New function. Make
7673 sure alignment is always power of 2.
7675 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7677 * i386.h: Remove useless definition of "I386" and misleading
7680 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7682 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7683 under which TREE_PERMANENT will be set.
7684 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7685 build1): Use TREE_SET_PERMANENT.
7686 * print-tree.c (print_node): Don't report value of
7687 TREE_PERMANENT if ggc_p is true.
7689 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7690 decide whether to give a type a new alias set.
7691 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7692 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7693 of value of 'obstack'.
7696 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7698 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7700 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7702 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7703 * cpplib.c (cpp_get_token): Produce them.
7704 * cppexp.c (cpp_lex): Handle them.
7706 2000-02-23 Nick Clifton <nickc@cygnus.com>
7708 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7709 comment tests on type attributes.
7711 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7713 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7714 conform to documentation.
7715 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7716 to check for special cases.
7717 * sh-protos.h (sh_loop_align): Declare.
7718 * sh.c (sh_loop_align): Define.
7720 2000-02-22 Andrew Haley <aph@cygnus.com>
7722 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7723 (SIZE_TYPE): Is 32 bits when using -mgp32.
7724 (PTRDIFF_TYPE): Ditto.
7726 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7728 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7730 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7732 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7733 BIGGEST_FIELD_ALIGNMENT a constant.
7735 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7737 * dwarf2out.c (output_line_info): Put the marker for the end of
7738 the line number info at the actual end.
7739 (gen_struct_or_union_type_die): Use decl_function_context
7740 to check for local classes.
7741 * dwarfout.c (output_type): Likewise.
7743 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7745 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7746 for arguments with a mode, but no type.
7747 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7748 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7749 * pa/long_double.h: New file.
7750 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7751 both have 128bit wide long doubles.
7752 * configure: Rebuilt.
7754 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7756 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7758 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7759 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7760 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7762 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7764 * integrate.c (compare_blocks, find_block): Likewise.
7766 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7768 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7770 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7771 expand_asm_operands): Likewise.
7773 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7775 * predict.c (estimate_probability): Added the pointer heuristic to
7776 the collection of static branch predictors.
7778 2000-02-21 Catherine Moore <clm@cygnus.com>
7780 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7781 * invoke.texi (-mfix7000): Document.
7783 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7785 * diagnostic.c (init_output_buffer): Make it possible to output at
7786 least 32 characters if we're given a too long prefix.
7788 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7790 * varasm.c (initializer_constant_valid_p): Call
7791 lang_expand_constant to simplify the constant.
7793 2000-02-20 Bruce Korb <bkorb@gnu.org>
7795 * fixinc/inclhack.def(stdio_va_list):
7796 typedef needs to be disabled.
7797 * fixinc/inclhack.sh: regen
7798 * fixinc/fixincl.x: regen
7800 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7802 * print-rtl.c (print_rtx): Don't print addresses when
7803 flag_dump_unnumbered.
7805 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7807 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7809 (sparc_va_arg, sparc_flat_output_function_prologue,
7810 sparc_flat_output_function_epilogue): Cast value to unsigned in
7812 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7814 * sparc.md: Add default case in switch.
7816 2000-02-19 Richard Henderson <rth@cygnus.com>
7818 * c-typeck.c (add_pending_init): Don't abort for multiple
7819 fields at the same offset.
7820 (pending_init_member): Test the correct member.
7822 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7824 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7826 (start_catch_handler) : Same.
7828 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7830 * Makefile.in: Have flow.o depend on $(EXPR_H)
7832 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7834 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
7835 * c-decl.c (duplicate_decls, finish_enum): Likewise.
7836 (finish_decl): Remove -Wlarger-than code from here.
7837 * flags.h (id_clash_len): Now int.
7838 (larger_than_size): Now HOST_WIDE_INT.
7839 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
7840 Clean up checking to see if in table.
7841 (make_bit_field_ref): Remove extra parm to bitsize_int.
7842 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
7843 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
7844 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
7845 and for computing size of decl.
7846 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
7847 Move -Wlarger-than code to here.
7848 (layout_record): Remove extra arg to bitsize_int.
7849 Set TYPE_BINFO_SIZE_UNIT.
7850 (layout_union): Remove extra arg to bitsize_int.
7851 Use proper type for size of QUAL_UNION.
7852 (layout_type): Remove extra arg to bitsize_int.
7853 * toplev.c (id_clash_len): Now int.
7854 (larger_than_size): Now HOST_WIDE_INT.
7855 (decode_W_option): Clean up id-clash and larger-than- cases.
7856 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
7857 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
7858 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
7859 (struct tree_decl): New field size_unit.
7860 (size_int_wide): No HIGH operand; NUMBER is now signed.
7861 (size_int_2): Deleted.
7862 (size_int, bitsize_int): Don't use it and rework args.
7863 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
7865 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
7867 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
7869 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7871 * invoke.texi (Warning Options): Add an explanation of why
7872 you might want the -Wfloat-equal flag.
7874 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7876 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
7877 * cppinit.c (new_pending_define): Add cast to avoid warning.
7878 * expmed.c (extract_bit_field): Likewise.
7879 * flow.c (enum reorder_skip_type): New type.
7880 (skip_insns_between_blcok): New it.
7881 Rework to avoid warning about possibly undefined variable.
7882 * function.c (assign_parms): Make thisparm_boundary unsigned.
7883 * genrecog.c (write_switch): Cast XWINT result to int.
7884 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
7885 * mips-tfile.c (init_file): Make two versions of FDR intializer:
7886 one for MIPS and one for Alpha.
7887 (get_tag, copy_object): Add casts to avoid warnings.
7888 * optabs.c (init_one_libfunc): Cast NAME to (char *).
7889 * reload.c (find_reloads): Make TYPE enum reload_type.
7890 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
7891 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
7892 * varasm.c (compare_constant_1): Add cast to avoid warning.
7893 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
7895 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
7896 Cast switch operand of size to int.
7897 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
7898 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
7901 2000-02-18 Nick Clifton <nickc@cygnus.com>
7903 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
7904 anything for an alignment of zero.
7906 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
7907 anything for an alignment of zero.
7909 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
7911 * gcc.texi (Bug Reporting): Refer to bugs.html.
7912 (Bug Lists): Likewise.
7913 * system.h (GCCBUGURL): New preprocessor define.
7914 * rtl.c (fancy_abort): Use it.
7915 * gcc.c (main): Likewise.
7917 2000-02-18 Richard Henderson <rth@cygnus.com>
7919 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
7920 (life_analysis_1): Subsume into ...
7921 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
7922 Use update_life_info for the relaxation.
7923 (update_life_info): Update REG_BASIC_BLOCK for registers live on
7924 entry and regs_live_at_setjmp.
7925 (set_noop_p): Simplify.
7926 (notice_stack_pointer_modification_1): Renamed from s/_1//.
7927 (record_volatile_insns): Split into ...
7928 (delete_noop_moves): ... here,
7929 (notice_stack_pointer_modification): ... here,
7930 (insn_dead_p): ... and here.
7931 (propagate_block): Don't query INSN_VOLATILE.
7932 (mark_used_regs): Mind !PROP_REG_INFO.
7933 * toplev.c (rest_of_compilation): Call mark_constant_function here,
7934 not in life_analysis.
7936 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
7938 * loop.c (canonicalize_condition): New function,
7939 broken out of get_condition.
7940 (get_condition): Use it.
7941 * expr.h (canonicalize_condition): Prototype it.
7943 * tree.h (tree_int_cst_msb): Declare.
7944 * tree.c (tree_int_cst_msb): New function.
7946 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7948 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
7951 * invoke.texi (-fmessage-length=n): Document.
7953 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
7955 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
7957 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7959 * function.c (thread_prologue_and_epilogue_insns): Put a line note
7962 2000-02-17 Nick Clifton <nickc@cygnus.com>
7964 * config/arm/thumb.c: Replace includes of system headers with
7965 #include "system.h".
7967 2000-02-16 Richard Henderson <rth@cygnus.com>
7969 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
7970 Add crtbeginS.o and crtendS.o.
7971 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
7972 (ENDFILE_SPEC): Use crtendS.o.
7973 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
7975 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
7976 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
7978 (__dso_handle): New variable.
7979 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
7980 bias to __CTOR_END__.
7982 2000-02-16 Richard Henderson <rth@cygnus.com>
7984 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
7986 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
7988 * longlong.h (__clz_tab): Declare as static to match definition.
7990 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
7991 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
7992 (XREF_FILE_NAME): Define.
7994 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
7995 (EH_FRAME_SECTION_ASM_OP): Define.
7996 (IDENT_ASM_OP): Define.
7997 (TEXT_SECTION_ASM_OP): Define.
7999 (CTORS_SECTION_ASM_OP): Define.
8000 (CTOR_SECTION_FUNCTION): Use it.
8001 (DTORS_SECTION_ASM_OP): Define.
8002 (DTOR_SECTION_FUNCTION): Use it.
8004 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8006 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8009 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8010 debug_bb_n): New functions.
8011 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8012 * basic-block.h: Prototype new functions.
8014 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8016 * configure.in: Add support for avr target.
8017 * configure: Rebuilt.
8019 * invoke.texi: Add AVR invocation docs.
8020 * install.texi: Add information about AVR.
8021 * md.texi: Add AVR constraint letters description.
8022 * extend.texi: Add description for AVR specific attributes.
8024 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8026 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8028 2000-02-16 Nick Clifton <nickc@cygnus.com>
8030 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8031 (make_insn_raw): Move RTL check here.
8033 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8035 * version.c: Include gansidecl.h and version.h.
8037 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8039 * configure.in (gcc_version): When setting, narrow search to
8040 lines containing `version_string'.
8042 * Makefile.in (mainversion): Likewise.
8043 (GCC_H): New variable.
8044 (gcc.h): Delete target.
8045 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8046 (version.o): Depend on version.h.
8047 (dbxout.o): Don't depend on gcc.h.
8049 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8050 Michael Meissner <meissner@cygnus.com>
8052 * md.texi (Simple Constraints): Add item about whitespace.
8053 * genoutput.c (strip_whitespace): New.
8054 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8055 strip_whitespace for constraints.
8056 Test pointer using NULL, not 0.
8058 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8060 * cpplib.c (do_line): Pedwarn for #line > 32767.
8062 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8064 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8066 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8067 to default cpp spec.
8068 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8069 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8072 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8075 2000-02-15 Denis Chertykov <denisc@overta.ru>
8077 * configure.in: Add support for avr target.
8079 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8081 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8082 (sh_addr_diff_vec_mode): Don't declare.
8083 * sh.c (sh_addr_diff_vec_mode): Delete.
8085 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8087 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8089 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8091 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8092 (smulsi3_highpart_i): Name.
8093 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8094 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8095 (smulsi3_highpart, umulsi3_highpart): Likewise.
8097 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8098 correctly independent of endianness.
8099 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8100 confuse the optimizers.
8101 (mulsidi3+1, umulsidi3+1): New define_split.
8103 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8105 * config/sh/sh.md: Guard insn splits against illegal registers.
8106 * config/sh/sh.h: Correct comment about macros.
8108 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8109 Andrew MacLeod <amacleod@cygnus.com>
8111 * Makefile.in (lcm.o): Depend on insn-attr.h.
8112 * basic-block.h (optimize_mode_switching): Declare.
8113 * lcm.c (tm_p.h, insn-attr.h): #include.
8114 (seginfo, bb_info): New structs.
8115 (antic, transp, comp, delete, insert) : New file-scope static variables.
8116 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8117 (reg_becomes_live, optimize_mode_switching): Likewise.
8118 * tm.texi: Add description of mode switching macros.
8119 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8121 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8122 (fldi_ok, fpscr_set_from_mem): New prototypes.
8123 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8124 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8125 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8126 (sh_flag_remove_dead_before_cse): Remove declaration.
8127 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8128 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8129 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8130 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8131 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8132 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8133 (fldi_ok): New function.
8134 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8135 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8136 (emit_df_insn): Likewise.
8137 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8138 (sh_flag_remove_dead_before_cse): Delete.
8139 (get_free_reg, fpscr_set_from_mem): New functions.
8140 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8141 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8143 2000-02-15 Loren Rittle <ljrittle@acm.org>
8145 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8147 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8149 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8150 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8152 * cccp.c: Include version.h and/or don't declare `version_string'.
8153 * collect2.c: Likewise.
8154 * alpha.c: Likewise.
8155 * arm/aof.h: Likewise.
8156 * arm/coff.h: Likewise.
8157 * arm/elf.h: Likewise.
8158 * arm/pe.h: Likewise.
8159 * arm/tcoff.h: Likewise.
8160 * arm/telf.h: Likewise.
8161 * arm/tpe.h: Likewise.
8162 * arm/vxarm.h: Likewise.
8163 * convex/convex.c: Likewise.
8164 * i386/dgux.c: Likewise.
8165 * i386/sun386.h: Likewise.
8166 * m88k/m88k.c: Likewise.
8167 * mcore/mcore-pe.h: Likewise.
8168 * mips/mips.h: Likewise.
8169 * romp/romp.h: Likewise.
8170 * sh/sh.c: Likewise.
8171 * cpphash.c: Likewise.
8172 * cppinit.c: Likewise.
8173 * dwarf2out.c: Likewise.
8174 * dwarfout.c: Likewise.
8177 * mips-tfile.c: Likewise.
8178 * protoize.c: Likewise.
8179 * toplev.c: Likewise.
8182 * version.c (version_string): Constify a char*.
8184 * version.h: New file.
8186 2000-02-14 Nick Clifton <nickc@cygnus.com>
8188 * configure.in: Add mcore-elf and mcore-pe targets.
8189 * configure: Regenerate.
8191 * NEWS: Add note that MCore port has been contributed.
8193 * invoke.texi: Document command line switches for MCore port.
8194 * install.texi: Add MCore to list of supported targets.
8196 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8198 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8199 then we will need to import the frame handling functions.
8200 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8201 to import the frames themselves.
8203 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8204 Jason Eckhardt <jle@cygnus.com>
8206 * basic_block.h: Added prototype for reorder_basic_blocks.
8207 * toplev.c: Changes to add -freorder-blocks and graph dump after
8208 block reordering is done.
8209 * flow.c (reorder_block_def): New structure for use during block
8211 (REORDER_BLOCK_*): New macros to access members of above structure.
8212 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8213 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8214 functions for block reordering.
8216 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8218 * gcc.texi (Passes): Fix typo.
8219 * md.texi (Standard Names): Ditto.
8220 * tm.texi (Storage Layout): Ditto.
8222 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8224 * cpplib.c (do_define): Only free the old definition if it
8227 2000-02-13 Neil Booth <NeilB@earthling.net>
8229 * cppfiles.c (read_and_prescan): When emitting deferred
8230 newlines, test speccase[] again instead of checking each
8231 possible whitespace character in turn. When we encounter \r,
8232 look behind for \n first, then ahead.
8234 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8236 * cse.c (cse_altered): New internal flag.
8237 (cse_insn): Set it if we changed an insn.
8238 (cse_main): Clear cse_altered before each basic block.
8239 Only garbage collect if cse_altered is true afterward.
8241 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8243 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8245 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8247 * combine.c (simplify_comparison): Fix typo.
8249 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8251 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8254 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8256 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8257 previously inserted node instead of root node. Caller changed.
8259 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8261 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8263 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8265 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8266 __dereg_frame_dtor): Add prototype argument.
8268 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8270 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8272 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8274 * gthr-vxworks.h (__gthread_once): Likewise.
8276 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8278 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8280 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8281 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8282 stack pointer in functions w/o saved registers, output LEAVE more often
8283 on TARGET_USE_LEAVE machines.
8285 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8287 * config/arm/arm.c (arm_init_cumulative_args); New function:
8288 Initlaise the CUMULATIE_ARGS strcuture for a function
8290 (arm_function_arg): New function: Determine where to place a
8291 function's argument. Also handles deciding the function's
8293 (current_file_function_operand): New function: Return true if
8294 the symbol is a function which has already been compiled.
8295 (arm_is_long_call_p): New function: Return true if the
8296 indicated function should be called via a long call.
8297 (arm_valid_type_attribute_p): New function: Return true if the
8298 attribute is a valid, arm specific, attribute.
8299 (arm_comp_type_attribute): New function: Return true if the
8300 two types have compatable, arm specific, attributes.
8302 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8304 (FUNCTION_ARG): Redefine to call arm_function_arg.
8305 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8307 (INIT_CUMULATIVE_ARGS): Redefine to call
8308 arm_init_cumulative_args.
8309 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8311 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8313 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8315 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8316 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8317 (COMP_TYPE_ATTRIBUTES): Define.
8319 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8320 if a long call is needed.
8321 (call_value): Call arm_is_long_call_p to decide if a long call
8323 (call_symbol): Call arm_is_long_call_p to decide if a long call
8326 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8328 2000-02-11 Denis Chertykov <denisc@overta.ru>
8330 * README.AVR: New file with information about the avr ports.
8331 * config/avr: New directory with avr port files.
8333 2000-02-11 Andreas Jaeger <aj@suse.de>
8335 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8337 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8339 * cpphash.c: Fix formatting, update commentary.
8340 (dump_definition): Take three separate arguments instead of a
8341 MACRODEF structure argument.
8342 * cpphash.h: Update prototype of dump_definition.
8343 * cppinit.c (cpp_finish): Update call of dump_definition.
8345 * cpplib.c (do_define): Always create new hash entry with
8346 T_MACRO type. Remove redundant check for redefinition of
8347 poisoned identifier. Update call of dump_definition.
8348 (do_undef): Don't call check_macro_name. Rename sym_length to
8350 (do_error, do_warning): Don't use copy_rest_of_line or
8352 (do_warning): Don't use pedwarn for the actual warning,
8353 only the notice about its not being in the standard. (Fixes
8354 bug with #warning in system headers.)
8355 (do_ident): Stricter argument checking - accept only a single
8356 string after #ident. Also, macro-expand the line.
8357 (do_xifdef): Use cpp_defined. De-obfuscate.
8359 (do_pragma): Split out specific pragma handling to separate
8360 functions. Use get_directive_token. Update commentary. Do
8361 not pass on #pragma once or #pragma poison to the front end.
8362 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8363 do_pragma_default): New.
8365 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8367 * jump.c (jump_optimize_1): The first operand in a relational
8369 * optabs.c (emit_conditional_move): Handle relationals which
8370 have a known true/false result.
8372 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8374 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8375 a RETURN insn into a block which already ends with a jump.
8377 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8379 * haifa-sched.c (BUF_LEN): Increase a lot.
8381 2000-02-11 Nick Clifton <nickc@cygnus.com>
8383 * configure.in: Add tm_p_file specification for thumb targets.
8384 * configure: Regenerate.
8386 * config/arm/thumb-protos.h: New file: Prototypes for exported
8387 functions defined in thumb.c.
8389 2000-02-11 Robert Lipe <robertl@sco.com>
8391 * Makefile.in (bootstrap-lean): Remove additional files.
8392 (bootstrap2-lean): Likewise.
8393 (VOL_FILES): List of files for above.
8395 2000-02-11 Nathan Sidwell <nathan@acm.org>
8397 * cpphash.c (special_symbol): Remove spurious argument to
8400 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8402 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8404 * configure: Rebuilt.
8406 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8408 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8410 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8412 * pa.c, pa.h: Remove trigraph sequences within comments.
8414 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8416 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8418 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8420 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8422 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8424 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8426 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8428 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8429 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8430 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8431 (ASM_FILE_END): Use c4x_file_end.
8432 * config/c4x/c4x.c (c4x_global_label): New function.
8433 (c4x_external_ref, c4x_file_end): Likewise.
8435 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8436 (c4x_external_ref, c4x_end_file): Likewise.
8438 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8440 * cppexp.c: Don't include cpphash.h.
8441 (parse_charconst, cpp_lex): Use cpp_defined.
8442 (cpp_lex): Use get_directive_token throughout. Remove
8443 unnecessary cases from switch. Move assertion-handling code
8445 (cpp_parse_expr): If we see '+' or '-', check the context to
8446 determine if they are unary or binary operators. Streamline
8447 the jumps a bit. Do not call skip_rest_of_line.
8449 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8450 static. Export get_directive_token. Update commentary.
8451 (cpp_defined): New function.
8452 (do_define): Remove reference to T_PCSTRING. Call
8453 free_definition to release memory for old definition, when
8455 (eval_if_expression): Set only_seen_white to 0 before calling
8456 cpp_parse_expr. Call skip_rest_of_line after it returns.
8457 (cpp_read_check_assertion): Don't preserve a pointer into the
8458 token buffer across a call to cpp_get_token.
8460 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8461 * cppfiles.c (redundant_include_p): Use cpp_defined.
8462 * cpphash.c (free_definition): New function.
8463 (delete_macro): Use it. Update commentary.
8464 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8466 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8467 from enum node_type. Prototype cpp_defined and get_directive_token.
8468 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8470 * fix-header.c (check_macro_names): Use cpp_defined.
8471 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8472 the options structure.
8474 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8476 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8478 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8480 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8481 rather than die->die_tag.
8483 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8485 * combine.c (make_extraction, force_to_mode): Avoid warning on
8486 mixed-signedness conditionals.
8487 (make_field_assignment, nonzero_bits): Likewise.
8488 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8489 (store_split_bit_field, extract_split_bit_field): Likewise.
8490 (extract_fixed_bit_field, store_bit_field,
8491 * expr.c: Change alignment to be unsigned everywhere.
8492 (move_by_pieces, store_constructor_field, store_constructor):
8493 Alignment parm is unsigned.
8494 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8495 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8496 (do_compare_rtx_and_jump): Likewise.
8497 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8498 Compare align with GET_MODE_ALIGNMENT.
8499 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8500 (get_inner_reference): Likewise.
8501 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8502 (expand_assignment): Local vars for alignment now unsigned.
8503 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8504 (do_compare_and_jump): Likewise.
8505 (store_field): Call new function expr_align.
8506 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8507 Alignment arg now unsigned.
8508 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8509 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8510 (extract_bit_field): Likewise.
8511 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8512 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8513 (get_best_mode): Alignment arg is unsigned.
8514 * rtl.h (move_by_pieces): Likewise.
8515 * store-layout.c (maximum_field_alignment, set_alignment):
8517 (layout_decl): Alignment arg is now unsigned.
8518 Remove unneeded casts.
8519 (layout_record, layout_union, layout_type): Remove unneeded casts.
8520 Local alignment variables now unsigned.
8521 (get_best_mode): Alignment arg now unsigned.
8522 * tree.c (expr_align): New function.
8523 * tree.h (expr_align): Likewise.
8524 (maximum_field_alignment, set_alignment): Now unsigned.
8525 (get_inner_reference): Alignment argument is now pointer to unsigned.
8526 * varasm.c (assemble_variable): Add cast to eliminate warning.
8528 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8530 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8531 then store directly into op0.
8533 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8534 the CALL_INSN, and emit the note immediately after it.
8536 2000-02-10 Nick Clifton <nickc@cygnus.com>
8538 * config/arm/thumb.md (epilogue): Include a (return) in the
8539 generated insn, and emit it using emit_jump_insn not
8542 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8544 * function.c (assign_temp): Change zero-sized arrays to size 1.
8545 * integrate.c (expand_inline_function): Do not update
8546 stack_alignment_needed
8547 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8548 add some sanity checking, remove optimization for function with
8551 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8553 * flow.c (mark_regs_live_at_end): Delete unused variables.
8555 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8557 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8558 in macro FRAME_GROWS_DOWNWARD.
8560 * stmt.c (expand_end_bindings): Delete unused variable.
8562 * unroll.c (iteration_info): Mark parameter `loop' with
8565 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8567 * fixinc/server.c (load_data): Return NULL if the marker line is
8569 (run_shell): If load_data returns NULL, retry the command once, in
8572 * configure: Rebuilt.
8574 2000-02-09 Bruce Korb <bkorb@gnu.org>
8576 * gcc/fixincludes: ** DELETED **
8577 * gcc/fixcpp: ** DELETED **
8578 * gcc/fixinc-nt.sed: ** DELETED **
8579 * gcc/just-fixinc: ** DELETED **
8580 * gcc/Makefile.in: Removed out-dated commentary
8581 * gcc/configure.in: Removed fast-fixincludes disablement.
8582 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8584 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8585 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8588 2000-02-09 Richard Henderson <rth@cygnus.com>
8590 * jump.c (delete_insn): Don't delete user labels at -O0.
8592 2000-02-09 Robert Lipe <robertl@sco.com>
8594 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8595 Don't link with HOST_LIBS.
8597 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8599 * configure.in: Correct --help text for --with-dwarf2.
8600 Put tm-dwarf2.h after other tm files, if it's requested.
8601 * configure: Regenerate.
8602 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8605 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8607 * cpplib.h: Provide HASHNODE typedef and forward decl of
8608 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8609 DEFINITION, struct hashnode, struct macrodef, struct
8610 definition, scan_decls prototype, default defn of
8611 INCLUDE_LEN_FUDGE moved elsewhere.
8613 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8614 definition, and struct hashnode moved here. Remove the unused
8615 'predefined' field from struct definition. Replace the 'args'
8616 union with its sole member. All users updated (cpphash.c).
8617 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8618 multiple include guard.
8620 * cpphash.c (hashf): Make static; use better algorithm; drop
8621 HASHSIZE parameter; return an unsigned int.
8622 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8623 used. Calculate HASHSIZE modulus here.
8624 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8626 (create_definition): Drop PREDEFINITION parameter.
8627 * cpplib.c (do_define): Don't calculate a hash value here.
8628 Don't pass (keyword == NULL) to create_definition.
8630 * scan.h: Prototype scan_decls here.
8631 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8632 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8633 callers of cpp_lookup and cpp_install updated.
8635 * cpphash.c (macarg): Hoist all the flag diddling out of the
8637 (macroexpand): ... and out of the loop that calls macarg.
8638 Skip over the initial paren before macro arguments with
8639 cpp_get_non_space_token; point may be some distance before
8640 that paren. Abort if it's not there.
8642 * cpplib.c (parse_clear_mark): Delete function.
8643 (parse_set_mark, parse_goto_mark): Make static.
8644 (ACTIVE_MARK_P): New macro.
8645 (skip_block_comment, skip_line_comment): Do not bump the line
8646 if ACTIVE_MARK_P is true.
8647 (cpp_pop_buffer): The buffer to be popped may not have an
8649 (cpp_get_token): When looking for the initial paren before
8650 macro arguments, only set a mark in a file buffer, Always
8651 return to that mark before proceeding to call macroexpand or
8652 return a NAME token.
8654 * cpplib.h: Remove prototypes of parse_set_mark,
8655 parse_clear_mark, parse_goto_mark.
8656 (struct cpp_options): Rename 'put_out_comments' to
8657 'discard_comments' and invert its sense.
8658 * cppinit.c, cpphash.c, cpplib.c: All users of
8659 put_out_comments changed to use discard_comments, with
8662 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8664 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8665 the edge from a block that both jumps and falls through to the
8668 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8670 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8671 constant source address is legitimate.
8673 2000-02-09 Philip Blundell <pb@futuretv.com>
8675 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8678 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8680 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8682 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8684 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8685 ends with a newline and a NUL. Don't be so clever manipulating
8688 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8690 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8691 not to BIGGEST_ALIGNMENT.
8693 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8695 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8696 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8697 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8698 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8699 * frame.c (execute_cfa_insn): Handle
8700 DW_CFA_GNU_negative_offset_extended.
8702 2000-02-08 Richard Henderson <rth@cygnus.com>
8704 * flow.c (tidy_fallthru_edges): Split out from ...
8705 (delete_unreachable_blocks): ... here.
8706 (find_basic_blocks): Use it.
8708 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8710 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8712 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8714 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8715 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8716 (fix-header.o): Don't depend on cpphash.h.
8718 * scan.c (hashstr): New function.
8719 * scan.h: Prototype it.
8720 * fix-header.c: Don't include cpphash.h. Use hashstr.
8721 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8722 hashstr. Report hash table statistics. Add private
8723 definition of xrealloc.
8725 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8727 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8729 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8731 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8732 jumps with returns unless they are jumps to the fallthru block.
8734 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8736 * i386.md (addqi3_cc): Fix contraints.
8738 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8740 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8742 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8744 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8745 carriage return after a macro name.
8747 2000-02-07 Fred Fish <fnf@be.com>
8749 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8750 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8752 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8754 * cppfiles.c (deps_output): Count spacers in deps_column.
8756 2000-02-07 Neil Booth <NeilB@earthling.net>
8758 * cppinit.c (initialize_dependency_output): If there is no
8759 suffix, don't try to look for known suffixes. Use strrchr.
8760 (cpp_start_read): Remove duplicate initialization.
8762 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8764 * calls.c (compute_argument_block_size): New argument
8765 preferred_stack_boundary.
8766 (expand_call): update cfun->preferred_stack_boundary, update call of
8767 compute_argument_block_size
8768 (emit_library_call): Increate cfun->preferred_stack_boundary
8769 to PREFERRED_STACK_BOUNDARY
8770 (emit_library_call_value): Likewise.
8771 * explow.c (allocate_dynamic_stack_spave): Likewise.
8772 * function.c (prepare_function_start): Set
8773 cfun->preferred_stack_boundary
8774 * function.h (struct function): Add preferred_stack_boundary field.
8775 * integrate.c (expand_inline_function): Update
8776 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8777 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8778 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8780 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8782 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8783 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8784 cpp_pedwarn, cpp_pedwarn_with_line,
8785 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8786 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8787 v_cpp_error_with_line, v_cpp_warning_with_line,
8788 cpp_message_from_errno, cpp_perror_with_name): Delete.
8790 * cpperror.c (cpp_print_containing_files): Take starting
8792 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8793 (v_cpp_message): Now called directly by all entry points.
8795 (cpp_pfatal_with_name, cpp_message): Delete.
8796 (cpp_notice_from_errno, cpp_ice): New functions.
8797 (cpp_notice): Is now for reporting error conditions, just
8798 without an associated file.
8799 (cpp_error, cpp_error_with_line): Don't do anything if
8800 opts->inhibit_errors is on.
8801 (cpp_pedwarn_with_file_and_line): Take column argument also.
8803 * cpplib.h: Update prototypes of exported functions.
8804 (struct cpp_options): Add inhibit_errors.
8806 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8807 non-error messages. Include intl.h.
8809 * cppinit.c, cppmain.c: Likewise. Also, use
8810 cpp_notice_from_errno instead of cpp_perror_with_name or
8811 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8813 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8814 report internal errors.
8816 * cpplib.c (do_define): Switch bcopy to memcpy.
8817 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8819 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8820 bail out early if we hit a line comment.
8822 2000-02-06 Richard Henderson <rth@cygnus.com>
8824 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8825 * basic-block.h: Declare them.
8826 * emit-rtl.h (active_insn_p): New.
8827 (next_active_insn, prev_active_insn): Use it.
8828 * rtl.h: Declare it.
8829 * function.c (emit_return_into_block): New.
8830 (thread_prologue_and_epilogue_insns): Insert return insns instead
8831 of epilogues when possible.
8832 * jump.c (jump_optimize_1): Remove code to insert a return insn
8833 on the fallthru to the exit block.
8835 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
8836 and for non-empty stack frames.
8837 * i386.md (return): Expand to return-pop as needed.
8839 2000-02-06 Richard Henderson <rth@cygnus.com>
8841 * simplify-rtx.c (simplify_relational_operation): Canonicalize
8842 constant to op1 for testing.
8844 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8846 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
8847 (fixuns_truncqfqi2): Use it.
8849 2000-02-06 Richard Henderson <rth@cygnus.com>
8851 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
8854 * i386.md (widening and peepholes): Mask the constant instead of
8857 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8859 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
8860 input pointer before possibly branching off to the backslash
8862 * cpphash.c (macroexpand): Correctly delete \r escapes when
8863 stringifying parameters.
8864 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
8865 if we can; bail out early if we hit a line comment.
8866 (handle_directive): Treat '# 123' in an .S file just like
8867 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
8868 Return 1 for '# not_a_directive'.
8869 (get_directive_token): Pop macro buffers here, so that
8870 cpp_get_token can't sneakily move past a newline.
8872 (cpp_get_token): goto randomchar if handle_directive returns 0.
8874 * cppalloc.c: Update copyright.
8875 * cpplib.c: Merge all the static function prototypes into one
8877 * cpplib.h: Remove #if 0 block.
8879 * cpperror.c: Remove #ifdef EMACS block.
8880 * cppmain.c: Likewise.
8881 * cpphash.c: Remove #if 0 blocks.
8882 * cppinit.c: Remove #if 0 blocks, and the -lint option.
8883 * cpplib.c: Remove #if 0 blocks and code referencing
8884 pcp_inside_if or for_lint. Remove duplicate error message.
8885 Fix error messages for #else after #else or #elif. Reformat.
8886 Remove archaic TODO list.
8887 * cpplib.h: Remove pcp_inside_if and for_lint flags.
8889 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8891 * i386/osf1elf.h: Add missing backslash to multiline string.
8893 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8895 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
8897 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8899 * Makefile.in (c-common.o): Depend on $(EXPR_H).
8901 * c-common.c: Include expr.h.
8903 * c-pragma.c (mark_align_stack): Add prototype.
8905 * caller-save.c (add_stored_regs): Likewise.
8907 * combine.c (record_promoted_value): Likewise.
8909 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
8912 * cppinit.c (new_pending_define): Likewise.
8914 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
8916 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
8917 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8918 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
8919 class_scope_p): Likewise.
8921 * dwarf2out.h (dwarf2out_set_demangle_name_func,
8922 dwarf2out_add_library_unit_info): Likewise.
8924 * ggc.h (ggc_page_print_statistics): Likewise.
8926 * haifa-sched.c (propagate_deps): Likewise.
8928 * reg-stack.c (next_flags_user, record_label_references): Likewise.
8930 * rtl.h (set_stack_check_libfunc): Likewise.
8932 * toplev.h (set_fatal_function): Likewise.
8934 * toplev.c (set_fatal_function): Delete prototype.
8936 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
8938 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8940 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
8941 (FUNC_END): Likewise.
8943 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8945 * caller-save.c: Include tm_p.h.
8947 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8949 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
8951 2000-02-04 Neil Booth <NeilB@earthling.net>
8953 * cccp.c (main): Check 'dir' for a NULL pointer before passing
8956 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
8958 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
8959 * genflags.c: Use the max_operand_1 logic from genemit.c to
8960 calculate how many arguments gen_insn prototypes have. Remove
8961 NO_MD_PROTOTYPES ifdefs from the generated file.
8962 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
8963 file. Cast gen_insn initializers to insn_gen_fn.
8964 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
8965 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
8967 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8969 * fixinc/Makefile.in (HDR): Add machname.h.
8972 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8974 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
8975 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
8976 (c4x_cpu_version): Ditto.
8977 * config/c4x/c4x-protos.h: ... here.
8979 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
8981 * dwarf2out.c (add_abstract_origin_attribute): Don't call
8982 gen_abstract_function on our context if we're a nested function.
8984 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8986 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
8987 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
8989 2000-02-04 Bruce Korb <bkorb@gnu.org>
8991 * fixinc/genfixes(machname.h):
8992 Move the functionality from gen-machine.h into this file.
8993 UNdef MN_NAME_PAT if there are no names to change.
8994 Also, be a little kinder when AutoGen is not present.
8996 * fixinc/Makefile.in(machname.h):
8997 Change the generation rule to use genfixes.
8999 * fixinc/fixfixes.c(machine_name):
9000 machine_name_fix's functionality now dependent upon whether
9001 MN_NAME_PAT is defined.
9003 * fixinc/fixtests.c(machine_name):
9006 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9009 * fixinc/fixlib.h(mn_get_regexps):
9012 * fixinc/gen-machine.h: DELETED
9014 2000-02-04 Jan Hubicka <jh@suse.cz>
9015 Richard Henderson <rth@cygnus.com>
9017 * i386.c (SAVE_REGS_FIRST): Remove.
9018 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9019 (ix86_compute_frame_size): Likewise.
9020 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9021 (ix86_emit_restore_regs): Remove.
9022 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9023 when a frame pointer is in use.
9024 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9025 instead of pop to restore a register when profitable; emit leave
9027 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9029 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9030 * i386.md (prologue_allocate_stack): Remove.
9031 (epilogue_deallocate_stack): Remove.
9032 (pro_epilogue_adjust_stack): New.
9034 2000-02-04 Richard Henderson <rth@cygnus.com>
9036 * function.c (diddle_return_value): Rework to use a callback function.
9037 Use current_function_return_rtx if it's been set up.
9038 (do_clobber_return_reg, clobber_return_register): New.
9039 (do_use_return_reg, use_return_register): New.
9040 (expand_function_end): Use them.
9041 * stmt.c (expand_null_return): Likewise.
9042 * function.h: Declare them.
9043 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9044 (mark_reg): Change arguments as appropriate for callback.
9045 * integrate.c (expand_inline_function): Revert 19 Jan change.
9047 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9049 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9050 (Misc): Say the scheduler, not the Haifa scheduler.
9052 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9054 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9055 when in_mem is set. Update all callers.
9057 2000-02-04 Richard Henderson <rth@cygnus.com>
9059 * i386/openbsd.h (INT_ASM_OP): Define.
9061 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9063 * tm.texi: Fix various typos.
9065 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9067 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9068 (MD_STARTFILE_PREFIX_1): New macro.
9070 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9072 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9073 destination when needed.
9074 (strmovsi, strsetsi): New expander.
9075 (strmovsi_1, strsetsi_1): New pattern.
9076 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9077 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9078 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9079 * invoke.texi (align-stringops, inline-all-stringops): Document.
9081 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9083 * i386/netbsd.h (INT_ASM_OP): Define.
9085 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9087 * cpplib.h (cpp_reader): Add new flag, no_directives.
9088 * cpphash.c (macarg): Set it.
9089 * cpplib.c (handle_directive): If no_directives is on and we
9090 find a directive, issue an error and discard the line.
9092 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9094 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9095 FP constants. Add ! TARGET_FPU check for FP constants.
9097 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9099 * flow.c (find_basic_blocks): Don't kill label_value_list
9101 (cleanup_cfg): Kill it here.
9103 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9105 * expr.c (store_field): Ensure ALIGN is no stricter than the
9108 2000-02-02 Richard Henderson <rth@cygnus.com>
9110 * jump.c (delete_insn): Partially revert 19 Jan change;
9111 don't convert unused code labels to notes at -O0.
9113 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9115 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9116 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9118 2000-02-01 Richard Henderson <rth@cygnus.com>
9120 * i386.c (general_no_elim_operand): New.
9121 (nonmemory_no_elim_operand): New.
9122 (ix86_expand_move): Copy eliminable operands before a push.
9123 * i386-protos.h: Declare new functions.
9124 * i386.h (CAN_ELIMINATE): Simplify.
9125 (PREDICATE_CODES): Update.
9126 * i386.md (push insns): Don't allow eliminable register operands.
9128 2000-02-01 Richard Henderson <rth@cygnus.com>
9130 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9131 replace BLKmode with DECL_RTL's mode.
9133 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9135 * frame.c (find_fde): Convert for loop to do-while so compiler
9136 sees it's always executed at least once.
9137 * libgcc2.c (BBINBUFSIZE): Kill.
9138 (__bb_init_prg): Use fgets.
9139 (__bb_exit_trace_func): Don't paste strings.
9140 * unroll.c (unroll_loop): Initialize unroll_type, not
9141 unroll_number, and tweak logic to match.
9143 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9145 (ix86_flags_dependant): Likewise. Disentangle control flow.
9146 (ix86_sched_reorder): Break guts out to
9147 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9148 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9151 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9152 use string concatenation. Don't save and restore esi.
9154 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9155 (machname.h): Remove script to separate file. Use two-step
9156 sequence so target is not created if script fails.
9157 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9158 identifiers are defined.
9159 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9160 an empty string, machine_name doesn't need to do anything at
9162 (is_cxx_header): Add more cases to regexp.
9163 * fixinc/fixlib.h: Update prototype.
9164 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9166 * fixinc/fixincl.c: Define NO_BOGOSITY.
9168 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9169 (hp_sysfile): Add missing comma.
9170 (math_exception): Put the wrapper ifdefs at the beginning and
9171 the end of the file.
9172 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9174 2000-02-01 Richard Henderson <rth@cygnus.com>
9176 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9177 Use CONST0_RTX. Update all callers.
9178 * sparc.h, sparc-protos.h: Update accordingly.
9179 * sparc.md (fp mov insns): Use fp_zero_operand directly
9182 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9184 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9187 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9189 * Makefile.in (specs.ready): New target.
9190 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9192 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9194 * fixinc.irix: Use unique filenames for writing into /tmp,
9195 * fixinc.ptx: Likewise.
9196 * fixinc.sco: Likewise.
9197 * fixinc.svr4: Likewise.
9198 * fixinc.winnt: Likewise.
9200 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9202 * tsystem.h: New file.
9204 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9205 s-crtS): Depend on tsystem.h.
9207 * crtstuff.c: Include tsystem.h.
9208 * frame.c: Likewise.
9209 * libgcc2.c: Likewise.
9211 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9213 * builtins.c (expand_builtin_memset): Expand for variable sized
9216 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9218 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9221 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9223 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9225 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9227 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9229 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9230 case 3->2 combining (combining with splitting) in which 2 is CC0
9231 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9232 checked at the begining of the function with the aid of calling
9233 function 'can_combine_p'.
9235 2000-01-31 Dave Brolley <brolley@redhat.com>
9237 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9239 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9241 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9244 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9246 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9248 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9251 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9253 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9254 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9255 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9256 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9257 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9258 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9259 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9260 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9261 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9262 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9264 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9265 Add %(cpp_cpu) to CPP_SPEC.
9267 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9268 Add %(cc1_cpu) to CC1_SPEC.
9270 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9272 * c-decl.c (c_decode_option): Accept optional numeric argument to
9273 -Wformat and set warn_format.
9274 * c-common.c: Don't emit warning about non-constant printf format
9275 string unless warn_format > 1.
9277 2000-01-30 Richard Henderson <rth@cygnus.com>
9279 * alpha.md (return_internal): Allow after reload only.
9281 2000-01-30 Richard Henderson <rth@cygnus.com>
9283 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9284 local frame size is zero.
9286 2000-01-30 Richard Henderson <rth@cygnus.com>
9288 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9289 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9290 * alpha.md (return): Turn into an expander.
9291 (return_internal): Don't use $26.
9292 (epilogue): Emit the return insn.
9294 2000-01-30 Richard Henderson <rth@cygnus.com>
9296 * alpha.md (negtf2, abstf2): Fix word order thinko.
9298 (trunctfsf2): Avoid intermediate rounding errors.
9300 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9302 * cppfiles.c (find_position): Drop 'colp' argument, return the
9304 (read_and_prescan): Adjust to match. Don't ever manipulate
9305 line or line_base except via find_position.
9307 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9309 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9310 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9313 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9315 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9316 just print "<command line>". If 'filename' is null or an
9317 empty string, print "<stdin>" for the filename.
9318 * cpplib.c (do_define): Don't print the 'location of the
9319 previous definition' message if we're still parsing the
9321 (cpp_pedwarn_with_file_and_line): Always call
9322 cpp_file_line_for_message.
9324 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9326 * flow.c (mark_regs_live_at_end): Fix typo.
9328 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9330 * c-common.c: Adjust variable names, comments, help strings to c99.
9331 * c-lex.c: Likewise.
9332 * c-parse.y: Likewise.
9333 * c-tree.h: Likewise.
9335 * cpplib.h: Likewise.
9336 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9337 * cppinit.c: Likewise.
9339 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9341 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9342 * c4x.c: Define the optab rtx values.
9343 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9344 (c4x_emit_libcall): Use new optab rtx values.
9345 (c4x_emit_libcall3): Likewise.
9346 (c4x_emit_libcall_mulhi): Likewise.
9347 * c4x-protos.h: Add prototypes for optab rtx values and change
9348 prototypes for above c4x_emit_libcall functions.
9350 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9352 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9354 (c4x_function_prologue): Use regnames intead of float_reg_names when
9356 (c4x_function_epilogue): Likewise.
9357 (c4x_print_operand): Likewise.
9358 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9359 * c4x.md (set_high): Disable for TARGET_TI.
9361 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9363 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9364 of framepointer + constant to ADDR_REGS class.
9365 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9366 * c4x.c (std_or_reg_operand): New function.
9367 * c4x-protos.h (std_or_reg_operand): Prototype it.
9369 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9371 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9372 object names as libgcc2.c.
9373 * libgcc.S: Use newly defined names.
9375 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9376 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9378 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9379 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9380 (FLOW_LOOP_LAST_BLOCK): Likewise.
9382 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9384 * basic-block.h (struct loop): New fields 'first' and 'last'.
9385 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9386 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9387 and loop->last to check for NOTE_INSN_LOOP_END.
9389 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9391 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9392 of the loop descriptor rather than HEADER and LATCH. Also added
9393 missing break statements as well making some coding style modifications
9394 as suggested by Michael Hayes.
9396 2000-01-28 Richard Henderson <rth@cygnus.com>
9398 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9399 Break out that code ...
9400 (cleanup_cfg): ... here.
9401 (commit_one_edge_insertion): Detect a return instruction being
9402 emitted to an edge. Emit a barrier following; clear fallthru.
9403 (commit_edge_insertions): Verify CFG consistency.
9404 * function.c (expand_function_start): Kill unused variable.
9405 (expand_function_end): Likewise.
9406 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9407 to insert the epilogue.
9409 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9410 (delete_null_pointer_checks): Likewise.
9411 * output.h: Likewise.
9412 * reg-stack.c (reg_to_stack): Likewise.
9413 * toplev.c (rest_of_compilation): Likewise. Run
9414 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9416 2000-01-28 Richard Henderson <rth@cygnus.com>
9418 * Makefile.in (flow.o): Revert 24 Jan change.
9419 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9420 FUNCTION_VALUE result to DECL_RESULT's mode.
9422 * haifa-sched.c (schedule_insns): Don't recompute reg info
9425 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9427 * configure.in: Make --enable-cpplib the default.
9428 * configure: Regenerate.
9429 * gcc.dg/990119-1.c: No longer expected to fail.
9431 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9433 * jump.c (jump_optimize_1): Delete an optimization that is also done
9434 by merge_blocks in flow.
9436 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9438 * diagnostic.c (build_message_string, output_printf,
9439 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9440 (build_location_prefix): Fix non-literal format string.
9442 2000-01-27 Richard Henderson <rth@cygnus.com>
9444 * alpha.md (trunctfsf2): New.
9446 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9448 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9450 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9452 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9454 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9456 (skip_comment) ... here. Permit C++ comments in system
9457 headers always. Warn about C++ comments in user code under
9458 -std=gnu89 -pedantic.
9459 (copy_comment): Use skip_comment.
9460 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9462 (consider_directive_while_skipping, do_else, do_endif): Call
9463 validate_else unconditionally.
9464 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9465 text after the conditional in a system header.
9466 * cpplib.h (struct cpp_buffer): Add flag
9467 warned_cplusplus_comments.
9469 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9471 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9472 Use unshare_all_rtl_1.
9473 (unshare_all_rtl_again): New function.
9474 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9476 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9477 rather than resetting the 'used' flags ourself.
9479 * toplev.c (rest_of_compilation): Add current_function_decl
9480 to the unshare_all_rtl call.
9481 * tree.h: Prototype unshare_all_rtl.
9482 * rtl.h: Prototype unshare_all_rtl_again here.
9484 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9486 * genoutput.c (output_prologue): Include ggc.h in generated
9488 * Makefile.in (insn-output.o): Depends on ggc.h.
9490 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9491 Hans-Peter Nilsson <hp@bitrange.com>
9493 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9494 Remove redundant include of xm-ns32k.h.
9495 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9496 Remove redundant include of xm-ns32k.h.
9497 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9498 Remove redundant include of xm-ns32k.h.
9499 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9501 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9502 (TARGET_SWITCHES): Add documentation strings.
9503 (DWARF_FRAME_REGNUM): Override default definition.
9504 (REG_CLASS_CONTENTS): Add comments.
9505 (SUBSET_P): Format to reduce line length.
9506 (SMALL_REGISTER_CLASSES): Make a run time option.
9507 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9508 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9509 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9510 (regclass_map): fix typo in comment.
9511 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9512 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9513 (trace, reg_or_mem_operand): Delete, unused function.
9514 (calc_address_cost): Small offsets are cheaper than large ones.
9515 (expand_block_move): Generate more efficient code when bytes is a
9516 known at compile time.
9517 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9518 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9519 instead of reg_or_mem_operand.
9521 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9522 not general_operand. Similarly use "=rm" or stricter, not "=g".
9523 For input operands, use stricter constraints than "g" if not
9524 general_operand. Similarly use stricter predicate than
9525 "general_operand" when stricter constraints than "g" are present,
9526 except for matching constraints.
9527 (movstrsi): Use "memory_operand" for operands 0 and 1.
9528 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9529 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9530 not reg_or_mem_operand.
9531 (udivmoddisi4): Ditto.
9532 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9533 Use nonimmediate_operand for operand 3, not register_operand.
9534 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9537 2000-01-27 Fred Fish <fnf@be.com>
9539 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9540 * gthr-single.h: Likewise.
9541 * gthr-solaris.h: Likewise.
9542 * gthr-vxworks.h: Likewise.
9543 * gthr-win32.h: Likewise.
9546 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9548 * cppinit.c: Add " (cpplib)" to end of string printed by
9551 2000-01-27 Richard Henderson <rth@cygnus.com>
9553 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9554 testing for a signed comparison.
9555 (alpha_emit_floatuns): New.
9556 * alpha-protos.h: Declare it.
9557 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9558 (extendsfdf2): Tidy.
9560 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9562 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9563 no -g option specifying debugging format, default to -gstabs+.
9565 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9567 * calls.c (special_function_p): New argument fork_or_exec.
9568 (expand_call): When profile_arc_flag is set and the function
9569 is in the fork_or_exec group, call __bb_fork_func first.
9570 * libgcc2.c, _bb module (__bb_fork_func): New function.
9571 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9573 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9574 * tree.h (special_function_p): Update prototype.
9576 2000-01-26 Richard Henderson <rth@cygnus.com>
9578 * alpha.c (alpha_split_tfmode_pair): New.
9579 * alpha-protos.h: Declare it.
9580 * alpha.md (abstf2, negtf2): New.
9581 (movtf insn): Add input G constraint.
9582 (movtf splitter): Use alpha_split_tfmode_pair.
9584 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9586 * i386/cygwin.h: PROTO -> PARAMS.
9588 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9590 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9591 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9592 using _Qp_cmp/_Q_cmp and testing the return value.
9593 (print_operand): Call reverse_condition_maybe_unordered if
9594 we are handling CCFPmode or CCFPEmode.
9595 Handle ORDERED, UN* and LTGT comparisons.
9596 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9597 if not TARGET_HARD_QUAD.
9598 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9599 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9600 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9601 Adjust gen_b* calls so that they reflect return comparison of
9602 sparc_emit_float_lib_cmp.
9604 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9606 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9607 incoming operands array is large enough for one more operand.
9608 (alpha_emit_xfloating_arith): Likewise.
9610 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9612 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9613 file with one line and no trailing newline.
9614 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9615 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9616 checking if the match is on the line.
9617 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9619 2000-01-25 Richard Henderson <rth@cygnus.com>
9621 * sparc.c (output_cbranch): Fix accidental squashing of the
9622 fp branch pre-delay nop.
9624 2000-01-25 Richard Henderson <rth@cygnus.com>
9626 * tree.def (UNNE_EXPR): Remove.
9627 * c-typeck.c (build_binary_op): Don't handle it.
9628 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9630 * rtl.def (UNNE): Remove.
9632 * jump.c (reverse_condition): Update accordingly.
9633 (swap_condition): Likewise.
9634 (comparison_dominates_p): Handle unordered comparisons.
9635 (reverse_condition_maybe_unordered): New.
9636 * rtl.h (reverse_condition_maybe_unordered): Declare.
9638 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9639 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9640 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9641 * sparc.md (bltgt): New.
9643 2000-01-25 Nick Clifton <nickc@redhat.com>
9645 * emit-rtl.c (emit_insn): Only check machine class insns for
9646 improper emission of a RETURN.
9648 2000-01-25 Richard Henderson <rth@cygnus.com>
9650 * Makefile.in (flow.o): Depend on $(EXPR_H).
9651 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9652 duplicate the structure of diddle_return_value for keeping regs live.
9654 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9656 * loop.c (current_loop_info): Delete.
9657 (consec_sets_invariant_p): Add loop argument, update callers.
9658 (get_condition_for_loop): Likewise.
9659 (count_nonfixed_reads, update_giv_derive): Likewise.
9660 (simplify_giv_expr, general_induction_var): Likewise.
9661 (consec_sets_giv, recombine_givs): Likewise.
9662 (move_movables): Delete loop_start and loop_end arguments,
9663 add loop argument, and update callers.
9664 (find_mem_givs, check_final_value): Likewise.
9665 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9666 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9668 (basic_induction_var): Add loop argument, delete loop_level argument,
9670 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9671 add loop argument, and update callers.
9672 (find_splittable_regs, find_splittable_givs): Likewise.
9673 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9674 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9675 (biv_total_increment): Delete loop_start and loop_end arguments;
9677 (precondition_loop_p): Delete loop_start and loop_info arguments;
9679 * loop.h (get_condition_for_loop): Add loop argument.
9680 (biv_total_increment): Delete loop_start and loop_end arguments.
9681 (precondition_loop_p): Delete loop_start and loop_info arguments;
9683 (final_biv_value): Delete loop_start and loop_end arguments;
9685 (final_giv_value, back_branch_in_range_p): Likewise.
9687 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9689 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9691 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9693 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9694 point to the new "generated_files" doc.
9696 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9698 * config/fp-bit.c (_unord_f2): Fix typo.
9700 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9702 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9703 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9704 functions obsoleted by GC, such as push_obstacks_nochange,
9705 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9706 and code which existed only to decide whether or not to call
9707 them. Remove now-unused NESTED argument from start_function;
9708 all callers changed. Do not change behavior based on ggc_p.
9709 The use of the ixp_obstack in c-iterate.c and the util_obstack
9710 in objc/objc-act.c remain; these are not obsoleted by garbage
9712 * c-tree.h: Update prototype for start_function.
9714 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9716 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9718 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9721 2000-01-25 Richard Henderson <rth@cygnus.com>
9723 * sparc-protos.h (select_cc_mode): Declare.
9724 * sparc.c (select_cc_mode): New. Handle unordered compares.
9725 (output_cbranch): Always reverse via code change. Handle
9726 unordered compares. Factor tests and string updates.
9727 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9728 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9729 * sparc.md (bunordered, bordered): New.
9730 (bungt, bunlt, buneq, bunge, bunle): New.
9732 2000-01-25 Richard Henderson <rth@cygnus.com>
9734 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9735 * ggc-common.c (ggc_add_rtx_varray_root): New.
9736 (ggc_mark_rtx_varray): New.
9737 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9738 functions down below ggc_mark_foo.
9739 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9741 2000-01-25 Richard Henderson <rth@cygnus.com>
9743 * alpha.c (secondary_reload_class): Don't allocate a secondary
9744 for integral mode memories into FLOAT_REGS. Rearrange the more
9745 complicated memory expression inward.
9747 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9749 * inclhack.def: Fixes to play nicer with FreeBSD, and
9750 corrections to comments.
9751 (cxx_unready): Add select expression.
9752 (irix_sockaddr): Add bypass expression.
9753 (machine_ansi_h_va_list): New fix.
9754 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9755 Split out addition of "#include <stdarg.h>" to...
9756 (stdio_stdarg_h): ... here.
9757 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9758 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9759 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9761 (ultrix_ifdef): Tighten up select expression.
9763 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9764 re_ct and max_mach to avoid use of shell. Make printed names
9765 match names in inclhack.def. Use static copyright date.
9766 Don't count c_test and test expressions as requiring regex_t
9767 slots. Add some commentary.
9768 * inclhack.tpl: Do not include the 'This script contains N
9769 fixup scripts' line if PROGRAM is defined. Use static
9772 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9774 * dwarf2out.c: include "varray.h", not dyn-string.h.
9775 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9776 (addr_const_to_string, addr_to_string): Lose.
9777 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9778 (struct dw_val_struct): val_addr is now an rtx.
9779 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9780 (used_rtx_varray): New varray.
9781 (dwarf2out_init): Initialize it.
9783 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9785 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9786 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9787 * Makefile.in (dwarf2out.o): Update dependencies.
9789 2000-01-24 Richard Henderson <rth@cygnus.com>
9791 * i386.c (i386_dwarf_output_addr_const): New.
9792 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9794 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9796 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9797 * i386.c (i386_simplify_dwarf_addr): New.
9798 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9800 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9802 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9803 TYPE_STUB_DECL is NULL.
9805 2000-01-24 Richard Henderson <rth@cygnus.com>
9807 * builtins.c (expand_tree_builtin): Move ...
9808 * c-common.c (expand_tree_builtin): ... here.
9810 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9812 * loop.h (LOOP_INFO): New accessor macro.
9813 * basic-block.h (struct loop): Rename field `info' to `aux'.
9814 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9815 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9816 * unroll.c (loop_iterations, unroll_loop): Likewise.
9818 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9820 * config/i386/t-cygwin: Accomodate new winsup directory layout
9821 when searching for include files.
9823 2000-01-24 Richard Henderson <rth@cygnus.com>
9825 * rtl.def: Add unordered fp comparisions.
9826 * tree.def: Likewise.
9827 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9829 * builtins.c (expand_tree_builtin): New function.
9830 * c-typeck.c (build_function_call): Use it.
9831 (build_binary_op): Support unordered compares.
9832 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
9834 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
9835 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
9836 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
9837 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
9838 * jump.c (reverse_condition): Don't abort for UNLE etc, but
9840 (swap_condition): Handle unordered compares.
9841 (thread_jumps): Check can_reverse before reversing.
9842 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
9845 * optabs.c (can_compare_p): New argument CODE. Verify branch or
9846 setcc is present before acking for cmp_optab. Update all callers.
9847 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
9848 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
9849 * expr.c (expand_expr): Likewise. Support unordered compares.
9850 (do_jump, do_store_flag): Likewise.
9851 * expr.h (enum libfunc_index): Add unordered compares.
9853 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
9854 (DPBIT_FUNCS): Add _unord_df.
9855 * config/fp-bit.c (_unord_f2): New.
9856 * fp-test.c (main): Try unordered compare builtins.
9858 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
9859 * alpha.c (alpha_comparison_operator): Check mode properly.
9860 (alpha_swapped_comparison_operator): Likewise.
9861 (signed_comparison_operator): Likewise.
9862 (alpha_fp_comparison_operator): New.
9863 (alpha_emit_conditional_branch): Handle unordered compares.
9864 * alpha.h (PREDICATE_CODES): Update.
9865 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
9866 (bunordered, bordered): New.
9868 2000-01-24 Richard Henderson <rth@cygnus.com>
9870 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
9871 * alpha.md (movtf): New expander, insn, and splitter.
9873 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
9875 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9878 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
9880 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
9881 (FIXED_REGISTERS, CALL_USED_REGISTERS,
9882 REG_ALLOC_ORDER): Add frame pointer
9883 (FRAME_POINTER_REGNUM): Set to 20
9884 (HARD_FRAME_POINTER_REGNUM): New macro.
9885 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
9886 to HARD_FRAME_POINTER.
9887 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
9888 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
9889 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
9890 (HI_REGISTER_NAMES): Add "frame".
9891 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
9892 (debug_reg): Handle FRAME_POINTER_REGNUM.
9893 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
9894 GENERAL_REGS and INDEX_REGS.
9895 * i386.c (SAVED_REGS_FIRST): new macro.
9896 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
9897 (ix86_decompose_address, memory_address_length): Likewise.
9898 (regclass_map): Add frame pointer.
9899 (call_insn_operand): Handle frame_pointer_rtx.
9900 (reg_no_sp_operand): Likewise.
9901 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
9902 (print_operand, legitimize_pic_address): Fix formating.
9903 (ix86_compute_frame_size): Make static, update prototype, new
9904 parameters padding1, padding2, use ix86_nsaved_regs, use
9905 stack_alignment_needed.
9906 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
9907 to HARD_FRAME_POINTER_REGNUM conversions.
9908 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
9909 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
9910 (print_reg): Abort on FRAME_POINTER_REGNUM
9912 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
9914 * i386.h (PREDICATE_CODES): Add aligned_operand.
9915 * i386.c (aligned_operand): New function.
9916 (ix86_aligned_p): Kill.
9917 * i386.md (movhi_1): Emit mov for aligned operands.
9918 (promoting peep2s): Use aligned_operand.
9920 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
9922 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
9923 expression to allow underscores in macro names.
9924 (fix_char_macro_defines): Increment scanning pointer.
9926 2000-01-23 Richard Henderson <rth@cygnus.com>
9928 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
9929 * alpha/osf5.h: New file.
9930 * configure.in (alpha-*-osf5): Add it to tm_file.
9932 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
9934 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
9935 (alpha_emit_xfloating_cvt, function_arg): Declare.
9936 * alpha.c (alpha_emit_conditional_branch): Call
9937 alpha_emit_xfloating_compare for TFmode compares.
9938 (alpha_lookup_xfloating_lib_func): New.
9939 (alpha_compute_xfloating_mode_arg): New.
9940 (alpha_emit_xfloating_libcall): New.
9941 (alpha_emit_xfloating_arith): New.
9942 (alpha_emit_xfloating_compare): New.
9943 (alpha_emit_xfloating_cvt): New.
9944 (print_operand): Add default abort case.
9945 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
9946 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
9947 (BIGGEST_ALIGNMENT): Increase to 128 bits.
9948 (RETURN_IN_MEMORY): True for TF/TCmode.
9949 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
9950 (FUNCTION_ARG): Move to function_arg.
9951 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
9952 (ASM_OUTPUT_LONG_DOUBLE): New.
9953 (ASM_OUTPUT_DOUBLE): Always output bits.
9954 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
9955 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
9956 (extenddftf2, trunctfdf2): New.
9958 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9960 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
9961 * config/sparc/sol2.h: ... here.
9963 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9965 * basic-block.h (struct loops): New field `levels'.
9966 * flow.c (flow_loops_level_compute): Traverse all outer loops.
9967 (flow_loop_level_compute): Initialise level to 1.
9968 (flow_loops_find): Set loops->levels.
9969 (flow_loops_dump): Print loops->levels.
9971 2000-01-23 Richard Henderson <rth@cygnus.com>
9973 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
9974 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
9976 2000-01-23 Richard Henderson <rth@cygnus.com>
9978 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
9979 * i386.h (DBX_REGISTER_NUMBER): Use them.
9980 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
9981 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
9982 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
9983 * i386/sequent.h: Kill incorrect comment.
9985 2000-01-23 Mark Mitchell <mark@codesourcery.com>
9987 * ggc-page.c (struct page_entry): Make `context_depth' an
9989 (struct globals): Likewise.
9991 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
9993 * loop.c (check_dbra_loop): When checking a loop for
9994 reversability, check the source of any stores to ensure
9995 they don't depend on an initial value.
9997 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9999 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10001 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10003 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10004 'pz_scan' into scope of entire function. Only affects
10005 compiles with -DDEBUG.
10007 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10009 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10010 section naming to that prior to 2000-01-07 patch.
10011 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10012 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10013 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10014 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10015 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10017 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10019 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10022 2000-01-21 Jim Wilson <wilson@cygnus.com>
10024 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10025 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10027 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10029 * cpphash.c (change_newlines): Delete function.
10030 (struct argdata): Delete 'newlines' and 'use_count' fields.
10031 (macroexpand): Remove code referencing those fields.
10033 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10035 * loop.c (loops_info): New variable.
10036 (loop_optimize): Allocate loops->array and free it on exit.
10037 Allocate memory for loops_info and assign to each loop,
10039 (find_and_verify_loops): Do not allocate loops->array.
10041 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10043 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10045 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10047 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10048 pseudos if expanded after first flow.
10049 (movdi_pic_label_ref): Likewise.
10051 2000-01-20 Richard Henderson <rth@cygnus.com>
10053 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10055 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10057 * Makefile.in (fixinc.sh): Depend on specs.
10058 * fixinc/Makefile.in: Add rule to create machname.h.
10059 (fixlib.o): Depend on machname.h.
10060 * fixinc/fixtests.c (machine_name): New test.
10061 * fixinc/fixfixes.c (machine_name): New fix.
10062 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10063 the machine_name test and fix.
10064 * fixinc/fixlib.h: Prototype it.
10065 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10066 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10068 * gcc.c (do_spec_1) [case P]: Take care not to create
10069 identifiers with three leading or trailing underscores.
10071 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10072 (fixincl): Don't specify libraries twice on link line.
10073 (gnu-regex.o): Remove special rule.
10074 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10075 defined by config.h. Do not define _REGEX_RE_COMP.
10076 (regcomp): Allocate and initialize a fastmap.
10077 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10079 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10081 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10083 2000-01-19 Richard Henderson <rth@cygnus.com>
10085 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10086 arguments with BB. Update all callers. Tidy line wrapping.
10088 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10090 * emit-rtl.c (try_split): Return last_insn if we split the
10093 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10095 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10096 (ix86_initial_elimination_offset): Declare.
10097 * i386.c (ix86_nsaved_regs): Break out from ...
10098 (ix86_can_use_return_insn_p): ... here.
10099 (ix86_emit_save_regs): Break out from ...
10100 (ix86_expand_prologue): ... here.
10101 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10103 (ix86_expand_epilogue): ... here.
10104 (ix86_compute_frame_size): Make static, add prototype.
10105 (ix86_initial_elimination_offset): Break out from ...
10106 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10108 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10110 * recog.h (OUT_FCN): Delete.
10112 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10114 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10116 * cppalloc.c: PROTO -> PARAMS.
10117 * cpperror.c: Likewise.
10118 * cppfiles.c: Likewise.
10119 * cpplib.c: Likewise.
10120 * cpplib.h: Likewise.
10122 * config/arm/arm-protos.h: PROTO -> PARAMS.
10123 * config/arm/arm.c: Likewise.
10124 * config/c4x/c4x.c: Likewise.
10125 * config/fr30/fr30-protos.h: Likewise.
10126 * config/nextstep.c: Likewise.
10127 * config/pa/pa.c: Likewise.
10128 * config/pj/pj.c: Likewise.
10129 * config/rs6000/rs6000.c: Likewise.
10130 * config/v850/v850-protos.h: Likewise.
10131 * config/v850/v850.c: Likewise.
10133 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10135 * i370-protos.h: New file.
10137 * i370.c: Include tm_p.h. Fix compile time warnings.
10139 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10142 * i370.md: Likewise.
10144 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10146 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10147 (target_isinf, target_isnan, eisnan): Mark parameter with
10149 (eiisinf): Wrap in INFINITY.
10150 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10151 (ibmtoe): Remove unused variable `rndsav'.
10153 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10155 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10156 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10158 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10160 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10161 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10162 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10164 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10165 Recognize Emacs mode markers also.
10166 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10167 C++ comments in C++ headers. Call is_cxx_header only if
10170 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10171 bypass for ncurses.
10172 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10173 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10174 ... these, which use the new C fixes.
10175 (math_exception): Escape literal '+' in bypass expression.
10177 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10180 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10182 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10185 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10187 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10188 prior to calling scan_loop.
10190 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10192 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10193 (split_branches, calc_live_regs): Likewise.
10195 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10197 * sh.md (fpu_single, fp_mode): New attributes.
10199 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10201 * loop.c (current_loop_info): Renamed from loop_info_data
10202 and changed to a pointer.
10203 (loop_optimize): Allocate loop_info structure for each loop
10204 and initialise to zero.
10205 (scan_loop): Set current_loop_info.
10207 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10210 2000-01-19 Richard Henderson <rth@cygnus.com>
10212 * stupid.c: Die die die.
10213 * Makefile.in (OBJS): Remove stupid.o.
10214 (stupid.o): Likewise.
10216 * except.c (emit_eh_context): Don't emit USEs for stupid.
10217 * explow.c (probe_stack_range): Likewise.
10218 * flags.h (obey_regdecls): Remove.
10219 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10220 when not optimizing.
10221 (life_analysis): Limit data collection when not optimizing.
10222 (mark_regs_live_at_end): Always mark the return value registers.
10223 (mark_used_regs): Remove dummy RETURN case.
10224 (print_rtl_with_bb): Don't consult obey_regdecls.
10225 * function.c (use_variable, use_variable_after): Remove.
10226 (assign_parms): Consult optimize not obey_regdecls.
10227 (expand_function_start): Don't emit USEs for stupid.
10228 (expand_function_end): Likewise.
10229 * global.c (build_insn_chain): Export.
10230 * integrate.c (expand_inline_function): Kill return-value USE
10232 * jump.c (jump_optimize_1): Do simple jump optimizations and
10233 dead code elimination.
10234 (calculate_can_reach_end): Remove check_deleted argument.
10235 (delete_insn): Patch out insns even when not optimizing.
10236 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10237 * rtl.h (use_variable, use_variable_after): Remove declarations.
10238 (build_insn_chain): Declare.
10239 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10240 (expand_end_bindings): Likewise.
10241 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10242 * toplev.c (obey_regdecls): Remove.
10243 (rest_of_compilation): Don't set it. Kill stupid in favour of
10244 flow1, local-alloc, and reload.
10245 (main): Don't set obey_regdecls.
10247 * config/nextstep.c (handle_pragma): Likewise.
10249 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10251 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10253 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10255 * alpha-protos.h: PROTO -> PARAMS.
10256 * alpha.c: Likewise.
10258 * h8300.c: Likewise.
10259 * i386-protos.h: Likewise.
10260 * i386.c: Likewise.
10261 * m32r-protos.h: Likewise.
10262 * m32r.c: Likewise.
10263 * mips.c: Likewise.
10264 * mips.md: Likewise.
10265 * gmon-sol2.c: Likewise.
10266 * sparc.c: Likewise.
10268 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10270 * ns32k-protos.h: New file.
10272 * ns32k.c: Fix compile time warnings.
10274 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10277 * ns32k.md: Likewise.
10279 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10281 * vax-protos.h: New file.
10283 * vax.c: Fix compile time warnings.
10285 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10288 * vax.md: Likewise.
10290 * vaxv.md: Likewise.
10292 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10294 * romp-protos.h: New file.
10296 * romp.c: Fix compile time warnings.
10298 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10301 * romp.md: Likewise.
10303 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10305 * we32k-protos.h: New file.
10307 * we32k.c: Fix compile time warnings.
10309 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10312 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10314 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10316 * except.c (eh_regs): Likewise.
10318 * final.c (output_operand): Likewise.
10320 * fold-const.c (target_isinf, target_isnan): Likewise.
10322 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10324 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10325 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10327 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10328 when optimize_size.
10329 (clrstrsi): Rewrite.
10330 (strsethi, strsetqi): New expanders.
10331 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10332 (cmpstrsi): Emit compare insn before cmpstrsi_1
10333 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10334 (strlensi_1): Likewise.
10335 (cmpstrsi_1): Likewise; do not output compare.
10336 (strlen expander): Do not unroll when optimizing for size.
10337 (*subsi3_carry): Rename to subsi3_carry
10338 (addqi3_cc): New pattern.
10339 * i386.h (processor_costs): Add move_ratio field.
10340 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10341 * i386.c (*_cost): Set move_ratio.
10342 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10343 (x86_expand_strlensi_1): Rewrite the main loop.
10345 2000-01-17 Richard Henderson <rth@cygnus.com>
10347 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10348 * cse.c (find_comparison_args, fold_rtx): Likewise.
10349 * integrate.c (subst_constants): Likewise.
10350 * loop.c (get_condition): Likewise.
10352 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10354 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10356 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10358 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10359 (RESTORE_WARN_FLAGS): Unpack it.
10360 Change semantic type of extension to ttype.
10361 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10362 * c-parse.y, c-parse.c, objc/objc-parse.y,
10363 objc/objc-parse.c: Regenerate.
10365 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10367 * fixinc/fixlib.c: Add copyright notice.
10368 (compile_re): New function.
10369 * fixinc/fixlib.h: Prototype compile_re.
10371 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10372 Use compile_re to compile regular expressions.
10374 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10375 where the pattern matched.
10377 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10379 (ultrix_ansi_compat): Likewise.
10380 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10382 (interactv_add2, interactv_add3): Delete.
10383 (x11_sprintf): Don't use filename glob.
10384 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10387 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10389 * print-rtl.c: PROTO -> PARAMS.
10390 * real.c: Likewise.
10391 * reg-stack.c: Likewise.
10392 * resource.c: Likewise.
10393 * sdbout.h: Likewise.
10394 * simplify-rtx.c: Likewise.
10395 * stor-layout.c: Likewise.
10396 * stupid.c: Likewise.
10397 * xcoffout.c: Likewise.
10398 * xcoffout.h: Likewise.
10400 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10402 * toplev.c: PROTO -> PARAMS.
10403 * toplev.h: Likewise.
10404 * tree.c: Likewise.
10405 * tree.h: Likewise.
10406 * unroll.c: Likewise.
10407 * varasm.c: Likewise.
10408 * varray.c: Likewise.
10409 * varray.h: Likewise.
10411 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10413 * reload.c: PROTO -> PARAMS.
10414 * reload.h: Likewise.
10415 * reload1.c: Likewise.
10416 * reorg.c: Likewise.
10417 * resource.h: Likewise.
10420 * rtlanal.c: Likewise.
10421 * sbitmap.h: Likewise.
10422 * sdbout.c: Likewise.
10423 * stack.h: Likewise.
10424 * stmt.c: Likewise.
10425 * system.h: Likewise.
10427 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10429 * machmode.h: PROTO -> PARAMS.
10430 * mbchar.h: Likewise.
10431 * mips-tdump.c: Likewise.
10432 * mips-tfile.c: Likewise.
10433 * optabs.c: Likewise.
10434 * output.h: Likewise.
10435 * prefix.c: Likewise.
10436 * profile.c: Likewise.
10437 * protoize.c: Likewise.
10438 * real.h: Likewise.
10439 * recog.c: Likewise.
10440 * recog.h: Likewise.
10441 * regclass.c: Likewise.
10442 * regmove.c: Likewise.
10443 * regs.h: Likewise.
10445 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10447 * ggc-common.c: PROTO -> PARAMS.
10448 * ggc-page.c: Likewise.
10449 * ggc-simple.c: Likewise.
10451 * global.c: Likewise.
10452 * graph.c: Likewise.
10453 * gthr-win32.h: Likewise.
10454 * haifa-sched.c: Likewise.
10455 * halfpic.h: Likewise.
10456 * integrate.c: Likewise.
10457 * integrate.h: Likewise.
10458 * jump.c: Likewise.
10460 * local-alloc.c: Likewise.
10461 * loop.c: Likewise.
10462 * loop.h: Likewise.
10464 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10466 * genattr.c: PROTO -> PARAMS.
10467 * genattrtab.c: Likewise.
10468 * gencheck.c: Likewise.
10469 * gencodes.c: Likewise.
10470 * genconfig.c: Likewise.
10471 * genemit.c: Likewise.
10472 * genextract.c: Likewise.
10473 * genflags.c: Likewise.
10474 * gengenrtl.c: Likewise.
10475 * genopinit.c: Likewise.
10476 * genoutput.c: Likewise.
10477 * genpeep.c: Likewise.
10478 * genrecog.c: Likewise.
10480 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10482 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10484 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10486 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10487 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10488 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10489 * configure, config.in: Rebuilt.
10491 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10493 * config/i386/i386.md: Add peephole to merge successive stack
10496 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10498 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10499 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10500 when walking backwards to find all the parameter loads when
10501 the basic block ends in a call.
10503 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10505 * loop.c (this_loop_info): Delete.
10506 (uid_loop): Add in place of uid_loop_num. All uses updated.
10507 (loop_number_exit_count): Delete and replace with entry in loop
10508 structure. All uses updated.
10509 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10510 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10511 (loop_outer_loop): Likewise.
10512 (loop_invalid, loop_number_exit_labels): Likewise.
10513 (loop_used_count_register): Delete and replace with entry in
10514 loop_info structure.
10515 (find_and_verify_loops): Add loops argument.
10516 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10517 loop_end, etc. arguments with loop structure pointer. All callers
10519 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10520 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10521 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10522 (insert_bct): Likewise.
10523 (basic_induction_var): New argument level.
10524 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10525 vtop, and cont. Add used_count_register.
10526 (uid_loop): Delete declaration.
10527 (loop_number_exit_count): Likewise.
10528 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10529 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10530 (loop_outer_loop, loop_used_count_register): Likewise.
10531 (loop_invalid, loop_number_exit_labels): Likewise.
10532 (unroll_loop): Replace loop_start and loop_end arguments
10533 with loop structure pointer.
10534 (loop_precondition_p, loop_iterations): Likewise.
10535 Include basic-block.h.
10536 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10537 with loop structure pointer.
10538 (loop_precondition_p, loop_iterations): Likewise.
10539 * basic-block.h (struct loop): New entries vtop, cont,
10540 cont_dominator, start, end, top, scan_start, exit_labels,
10542 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10544 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10546 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10548 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10550 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10552 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10554 * pdp11-protos.h: New file.
10556 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10559 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10562 * pdp11.md: Likewise.
10564 * 2bsd.h: Likewise.
10566 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10568 * mn10300-protos.h: New file.
10570 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10573 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10576 * mn10300.md: Likewise.
10578 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10580 * mn10200-protos.h: New file.
10582 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10585 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10588 * mn10200.md: Likewise.
10590 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10592 * h8300-protos.h: New file.
10594 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10597 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10600 * h8300.md: Likewise.
10602 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10604 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10605 (asm_emit_uninitialised): Likewise.
10607 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10609 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10610 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10612 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10614 * config/mips/mips.c (override_options): Don't turn on extra
10615 alignment for mips16.
10617 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10619 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10620 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10623 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10625 * builtins.c (PAD_VARARGS_DOWN): Define.
10626 (std_expand_builtin_va_arg): Use the above macro.
10627 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10628 * tm.texi (Register Arguments): Document the above macro.
10630 2000-01-14 Nick Clifton <nickc@cygnus.com>
10632 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10633 that this function has not been used to emit a jump
10636 * jump.c (return_jump_1): Cope with being passed a null rtx.
10638 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10640 * eh-common.h: PROTO -> PARAMS.
10641 * emit-rtl.c: Likewise.
10642 * errors.c: Likewise.
10643 * errors.h: Likewise.
10644 * except.c: Likewise.
10645 * except.h: Likewise.
10646 * explow.c: Likewise.
10647 * expmed.c: Likewise.
10648 * expr.c: Likewise.
10649 * expr.h: Likewise.
10650 * final.c: Likewise.
10651 * fix-header.c: Likewise.
10652 * flow.c: Likewise.
10653 * fold-const.c: Likewise.
10654 * function.c: Likewise.
10655 * function.h: Likewise.
10657 * gcov-io.h: Likewise.
10658 * gcov.c: Likewise.
10659 * gcse.c: Likewise.
10661 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10663 * sh-protos.h: New file.
10665 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10666 Add static prototypes. Fix compile time warnings.
10668 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10672 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10674 * arc-protos.h: New file.
10676 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10679 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10682 * arc.md: Likewise.
10684 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10686 * dsp16xx-protos.h: New file.
10688 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10691 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10694 * dsp16xx.md: Likewise.
10696 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10698 * convex-protos.h: New file.
10700 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10703 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10706 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10708 * elxsi-protos.h: New file.
10710 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10713 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10716 * elxsi.md: Likewise.
10718 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10720 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10721 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10722 match the comment for MIPS16.
10724 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10726 * flow.c (split_edge): Do not call set_block_for_insn if we
10727 do not have a basic_block_for_insn structure.
10729 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10730 and destination functions are 32bit aligned within the trampoline.
10731 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10732 (TRAMPOLINE_ALIGNMENT): Define.
10734 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10735 (set (pc) (label_ref)), verify the change creates a valid insn.
10737 * fr30.c (call_operand): Tighten and rework to match rules for
10738 call RTL expressions.
10739 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10740 * fr30.md (call patterns): Improve constraints.
10742 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10744 * fr30.c (fr30_expand_epilogue): Revert last change.
10745 Use emit_jump_insn for the return insn.
10747 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10748 Stan Cox <scox@cygnus.com>
10750 * predict.c: New file. Preliminary infrastructure work for static
10751 branch prediction and basic block reordering.
10752 * basic-block.h: Add prototype for estimate_probability.
10753 * Makefile.in: Add rules for predict.o.
10755 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10757 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10758 * fixinc/*: Likewise.
10760 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10762 * cccp.c: PROTO -> PARAMS.
10763 * cexp.y: Likewise.
10764 * collect2.c: Likewise.
10765 * combine.c: Likewise.
10766 * convert.h: Likewise.
10768 * dbxout.c: Likewise.
10769 * dbxout.h: Likewise.
10770 * diagnostic.c: Likewise.
10771 * doprint.c: Likewise.
10772 * dwarf2out.c: Likewise.
10773 * dwarf2out.h: Likewise.
10774 * dwarfout.c: Likewise.
10775 * dwarfout.h: Likewise.
10776 * dyn-string.h: Likewise.
10778 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10780 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10781 macro conditionals guarding use.
10783 * dwarf2out.c: Include "tm_p.h".
10785 * function.c (locate_and_pad_parm): Mark parameter with
10787 (expand_function_end): Likewise for variable `context'.
10789 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10791 2000-01-13 Nick Clifton <nickc@cygnus.com>
10793 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10794 register to prevent compile time warnings.
10796 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10798 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10799 to avoid -Wtraditional warning.
10801 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10803 * 1750a-protos.h: New file.
10805 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10808 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10811 * 1750a.md: Likewise.
10813 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10815 * a29k-protos.h: New file.
10817 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10820 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10823 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10825 * clipper-protos.h: New file.
10827 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10830 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
10833 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10835 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
10837 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
10839 * configure.in (--enable-new-gxx-abi): New option.
10840 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
10841 * Makefile.in (GXX_ABI_FLAG): New variable.
10842 * configure: Regenerate.
10844 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10846 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
10847 * tm.texi (FORCE_STRUCT_BLK): Document.
10848 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
10850 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
10852 * config/ns32k/ns32k.md: Revert Jan 9 change.
10854 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
10855 to a mode-test, if the predicate is address_operand.
10857 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
10859 * combine.c (if_then_else_cond): Be careful about what kinds
10860 of RTL expressions are passed to operand_subword.
10862 * flow.c (split_edge): If we have to insert a new jump, make
10863 sure to associate it with a basic block.
10865 * flow.c (commit_one_edge_insertion): A block with one successor
10866 can end in a JUMP_INSN that is not a simplejump.
10868 2000-01-12 Robert Lipe <robertl@sco.com>
10870 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
10871 (BUILD_VA_LIST_TYPE): Define.
10872 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
10875 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
10877 * cccp.c (do_pragma): Add cast to (char *).
10879 2000-01-12 Richard Henderson <rth@cygnus.com>
10880 Fred Fish <fnf@be.com>
10881 Jason Merrill <jason@cygnus.com>
10883 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
10884 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
10885 * i386/beos-elf.h, i386/beos-pe.h: New files.
10887 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
10888 * cross-make (SYSTEM_HEADER_DIR): Define using
10889 CROSS_SYSTEM_HEADER_DIR.
10891 * gcc.c (LIBRARY_PATH_ENV): Provide default.
10892 (process_command): Use it.
10893 (main): Likewise. Kill trailing = from env vars.
10894 (build_search_list): Put it back.
10895 * collect2.c (main): Use LIBRARY_PATH_ENV.
10897 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
10898 * toplev.c: Use NEED_DECLARATION_ENVIRON.
10900 * tm.texi (Frame Layout): Document SMALL_STACK.
10901 * c-common.c (c_common_nodes_and_builtins): Check it.
10903 * system.h: Undef alloca after including glibc's <stdlib.h>,
10904 if USE_C_ALLOCA is defined.
10906 * gcc.c (set_input): New fn.
10907 (main): After all input files are compiled, reset the input file
10910 * aclocal.m4 (rindex, index): If already defined, don't attempt
10913 * ginclude/varargs.h: (__va_list__): Define ifndef.
10914 * ginclude/stdarg.h: Likewise.
10916 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
10917 instead of unsigned char.
10919 * hash.h (true, false, boolean): Undef before enum.
10921 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
10922 proper type of "HOST_WIDE_INT *", rather than their natural type of
10923 "unsigned HOST_WIDE_INT *".
10925 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10927 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
10929 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
10931 * regclass.c (choose_hard_reg_mode): Likewise.
10933 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
10935 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
10937 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10939 * c-common.c: PROTO -> PARAMS.
10940 * c-common.h: Likewise.
10941 * c-decl.c: Likewise.
10942 * c-iterate.c: Likewise.
10943 * c-lang.c: Likewise.
10944 * c-lex.c: Likewise.
10945 * c-lex.h: Likewise.
10946 * c-parse.in: Likewise.
10947 * c-pragma.c: Likewise.
10948 * c-pragma.h: Likewise.
10949 * c-tree.h: Likewise.
10950 * c-typeck.c: Likewise.
10951 * objc/objc-act.c: Likewise.
10952 * objc/objc-act.h: Likewise.
10954 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10956 * m88k-protos.h: New file.
10958 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
10961 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
10963 * m88k.md: Likewise.
10965 * tekXD88.h: Likewise.
10967 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10969 * m68k-protos.h: New file.
10971 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
10974 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
10976 * mot3300.h: Likewise.
10978 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
10980 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
10982 (extract_bitlist): Declare bitlen.
10984 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
10986 * cccp.c: Accept and ignore -lang-fortran.
10988 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
10989 qualifiers don't match at any level of pointerness.
10991 2000-01-12 Robert Lipe <robertl@sco.com>
10993 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
10995 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
10997 * reload1.c (reload_reg_unavailable): New static variable.
10998 (reload_reg_free_p): Test it.
10999 (reload_reg_free_for_value_p): Test it instead of
11001 (choose_reload_regs_init): Compute it.
11003 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11005 * reorg.c (fill_slots_from_thread): Check modified_in_p
11008 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11010 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11011 these nodes even if INTERNALS is not set.
11013 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11015 * gcse.c (delete_null_pointer_checks_1): Cope when
11016 get_condition cannot determine the condition.
11018 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11020 * toplev.h (set_message_length): Declare.
11022 * diagnostic.c (obstack_chunk_alloc): Define macro.
11023 (obstack_chunk_free): Likewise.
11024 (struct output_buffer): New data structure.
11025 (vmessage): Remove.
11026 (output_maximum_width): New variable.
11027 (doing_line_wrapping, set_message_length, init_output_buffer,
11028 get_output_prefix, output_space_left, emit_output_prefix,
11029 output_newline, output_append, output_puts, dump_output,
11030 vbuild_message_string, build_message_string, build_location_prefix,
11031 voutput_notice, output_printf, line_wrapper_printf,
11032 vline_wrapper_message_with_location): New functions. Implement
11033 automatic line wrapping.
11034 (v_message_with_decl): Make it handle automatic line wrapping.
11035 (v_error_with_file_and_line): Likewise.
11036 (v_warning_with_file_and_line): Likewise.
11037 (announce_function): Likewise.
11038 (default_print_error_function): Likewise.
11040 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11042 * cpplib.h (struct cpp_options): Change lang_asm to char.
11044 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11045 done in cpp_handle_option now.
11046 (initialize_builtins): Take out special case code used only by
11048 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11049 if -traditional. Recognize -lang-fortran and set
11050 lang_fortran, also turn off cplusplus_comments.
11051 (print_help): Document -lang-fortran.
11052 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11053 lang_asm. Ignore all directives other than `# 123 "file"' if
11055 (cpp_get_token): If -traditional, don't recognize directives
11056 unless the # is in column 1.
11057 (parse_string): If lang_fortran or lang_asm, silently
11058 terminate strings ('' or "") at end of line.
11059 Remove unnecessary braces.
11061 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11062 Richard Henderson <rth@cygnus.com>
11064 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11066 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11067 strict_low_part when possible.
11069 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11071 * alias.c: PROTO -> PARAMS.
11072 * basic-block.h: Likewise.
11073 * bitmap.c: Likewise.
11074 * bitmap.h: Likewise.
11075 * builtins.c: Likewise.
11076 * c-aux-info.c: Likewise.
11077 * caller-save.c: Likewise.
11078 * calls.c: Likewise.
11080 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11082 * Makefile.in (toplev.o): Depend on regs.h.
11084 * output.h (tdesc_section): Prototype.
11086 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11088 * sdbout.c: Include "tm_p.h".
11090 * toplev.c: Include "regs.h".
11092 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11094 * unroll.c (unroll_loop): Add EH support.
11096 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11098 * pa-protos.h: New file.
11100 * pa.c: Include recog.h and tm_p.h.
11101 (compute_zdepwi_operands, compute_movstrsi_length,
11102 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11103 find_addr_reg, import_milli): Add static prototypes.
11104 (pa_cpu_string, pa_arch_string): Constify a char*.
11105 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11106 (read_only_operand): Add argument `mode'.
11107 (singlemove_string, output_move_double, output_fp_move_double,
11108 output_block_move, output_and, output_ior, output_ascii,
11109 remove_useless_addtr_insns, milli_names, output_mul_insn,
11110 output_div_insn, output_mod_insn, output_arg_descriptor,
11111 output_cbranch, output_bb, output_bvb, output_dbra, ,
11112 output_millicode_call, output_call, hppa_encode_label,
11113 output_parallel_movb, output_parallel_addb): Constify a char*.
11114 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11115 (output_parallel_addb): Remove extra arg to `constrain_operands'
11117 * pa.h: Move all prototypes to pa-protos.h.
11118 (pa_cpu_string, pa_arch_string): Constify a char*.
11119 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11121 * pa.md: Call `function_label_operand' with mode argument.
11122 Likewise for `read_only_operand'.
11123 Fix nesting of parens in call to `symbolic_operand'.
11125 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11127 * i860-protos.h: New file.
11129 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11132 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11134 * i860.md: Likewise.
11136 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11138 * i386.md (movstrsi expander): Rewrite.
11139 (movstrsi_1 insn): Deleted.
11140 (strmovhi, strmovqi expander): New expanders.
11141 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11142 * i386.c (x86_single_stringop): New global variable.
11143 * i386.h (x86_single_stringop): Declare.
11144 (TARGET_SINGLE_STRINGOP): New macro.
11146 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11148 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11149 integer vararg POSTINCREMENT before the destination of the jump
11150 for the hard fp case.
11151 (function_arg_pass_by_reference): Pass a copy of CUM to
11154 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11155 for CONSTANT_ADDRESS_P above while loop for subreg.
11157 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11159 * flow.c (propagate_block): When a prologue/epilogue insn
11160 is marked dead, unconditionally clear libcall_is_dead and
11161 insn_is_dead, and only dump rtl if warnings aren't being
11164 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11166 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11167 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11168 (FIXED_REGISTERS): Set dirflag as fixed.
11169 (CALL_USED_REGISTERS): Set dirflag as used.
11170 (REG_ALLOC_ORDER): Set dirflag as last one.
11171 (DIRFLAG_REG): New macro.
11172 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11173 (HI_REGISTER_NAMES): Add dirflag.
11174 (DEBUF_PRINT_REG): Handle dirflag.
11175 * i386.md (type attribute): New cld and str types.
11176 (length_opcode attribute): Set cld and str to 1.
11177 (memory attribute): Set str to unknown - it is not clear from the
11179 (pent_np function unit): Prefixed string operations takes 12 cycles
11180 minimally; cld takes 2 cycles.
11181 (ppro_uops attribute): Str is "many" and cld is "few".
11182 (ppro_p0 unit): Handle cld here.
11183 (k6_alux unit): Handle cld and str types.
11184 (k6_load unit): It is ocupied by str opcodes.
11185 (k6_store unit): It is ocupied by str opcodes.
11186 (athlon_decode): Str is vector decoded.
11187 (athlon_ieu): Handle str and cld.
11188 (cld pattern): New.
11189 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11190 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11191 cmpstrsi_nz_1 insn): Do not output cld instruction
11193 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11195 * gcc.texi (G++ and GCC): Add Java and Chill.
11196 (Bug Critera): Don't list languages.
11198 * gcc.texi (Incompatibilities): No longer claim most C compilers
11201 * gcc.texi (G++ and GCC): Update other front-ends list.
11203 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11205 * i386.c (ix86_expand_setcc): Fix typo.
11206 (ix86_expand_movcc): Similarly.
11208 * Band-aid until haifa's bitset implementation is nuked.
11209 * haifa-sched.c (extract_bitlst): New parameter for size of the
11210 bitset in bits. All callers changed. Avoid looking at undefined
11211 bits in the bitset.
11212 (edgeset_bitsize): New variable.
11213 (schedule_region): Initialize edgeset_bitsize.
11215 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11217 * Makefile.in (optabs.o): Depend on real.h
11218 (resource.o): Depend on insn-attr.h
11220 * builtins.c (result_vector): Wrap prototype in macro conditions
11221 governing definition and use.
11223 * c-common.c: Include tm_p.h.
11225 * c-lex.c: Likewise.
11227 * elfos.h: Constify a char*.
11229 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11230 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11231 parameter with ATTRIBUTE_UNUSED.
11233 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11236 * haifa-sched.c (schedule_insns): Mark parameter with
11239 * optabs.c: Include real.h.
11241 * real.h (ereal_atof): Add prototype arguments.
11243 * resource.c: Include insn-attr.h.
11245 * sdbout.c (sdbout_queue_anonymous_type,
11246 sdbout_dequeue_anonymous_types): Wrap in macro
11247 SDB_ALLOW_FORWARD_REFERENCES.
11248 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11251 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11253 * stupid.c: Include tm_p.h.
11255 * tree.c (real_value_from_int_cst): Mark parameter with
11258 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11260 * i960-protos.h: New file.
11262 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11265 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11267 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11269 * combine.c (expand_field_assignment): Do not discard SUBREGs
11270 while computing nonzero_bits.
11272 2000-01-09 Nick Clifton <nickc@cygnus.com>
11274 * config/arm/arm.c: Fix compile time warnings about signed vs
11275 unsigned constants.
11276 * config/arm/arm.h: Fix compile time warnings about signed vs
11277 unsigned constants.
11279 2000-01-09 Philip Blundell <philb@gnu.org>
11281 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11282 than `ldm' with only one register.
11283 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11286 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11289 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11291 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11294 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11296 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11297 assignment used as truth value.
11299 * function.c (assign_temp): Mark parameter `dont_promote' with
11300 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11301 PROMOTE_FOR_CALL_ONLY.
11303 * genrecog.c (write_subroutine): Mark variable `operands' with
11306 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11309 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11310 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11312 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11315 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11317 * config/c4x.h: Tidy up comments.
11318 * config/c4x.c: Likewise.
11320 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11322 * fold-const.c (lshift_double, rshift_double): Handle
11323 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11325 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11327 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11328 in prepare_function_start().
11330 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11332 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11333 longer allocate extra stack for function calls.
11335 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11337 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11339 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11341 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11343 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11345 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11346 * aix43.h: Revert Aug 2 change.
11347 (HAS_INIT_SECTION): Define, not visible yet.
11348 (LD_INIT_SWITCH): Define, not visible yet.
11349 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11351 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11353 * collect2.c (main): Expand ld2 size further.
11354 (export_object_lst): Cast assignment to avoid warning.
11355 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11356 (scan_prog_file, COFF): Do not collect initialization or
11357 finalization functions generated for entire shared object if
11358 init/fini support present.
11360 2000-01-07 Nick Clifton <nickc@cygnus.com>
11362 * config/elfos.h: Tidy up formatting of marcos. Make sure
11363 that .section directives are always prefixed by a tab.
11365 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11368 2000-01-07 Matt Austern <austern@sgi.com>
11370 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11373 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11375 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11377 (crtbegin.o, s-crtS): Likewise.
11379 2000-01-06 Richard Henderson <rth@cygnus.com>
11381 * alpha.md (adddi_2+1): Limit offset such that it will be
11382 loadable with a single ldah+lda pair.
11383 (adddi_2+2): Explicitly fail split if we can't make it work.
11385 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11387 * protoize.c: Conditionally include unistd.h.
11388 (IS_SAME_PATH_CHAR): New macro.
11389 (IS_SAME_PATH): New macro.
11390 (CPLUS_FILE_SUFFIX): New macro.
11391 (cplus_suffix): New static variable.
11392 (is_abspath): New static function.
11393 (in_system_include_dir): Handle DOS style pathnames.
11394 (file_could_be_converted): Likewise.
11395 (file_normally_convertible): Likewise.
11396 (directory_specified_p): Likewise.
11397 (file_excluded_p): Likewise.
11398 (abspath): Likewise.
11399 (shortpath): Likewise.
11400 (referenced_file_is_newer): Likewise.
11401 (save_def_or_dec): Likewise.
11402 (do_processing): Likewise.
11404 (edit_file): Likewise. Use rename instead of link.
11405 (rename_c_file): Likewise. Don't rename syscalls file.
11406 (munge_compile_params): Define null device for DOS based systems.
11407 (process_aux_info_file): Use binary mode if appliable.
11408 (edit_file): Likewise.
11409 * invoke.texi (Running Protoize): Document C++ suffixes used.
11411 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11412 IS_DIR_SEPARATOR macros.
11413 * collect2.c: Likewise.
11414 * cppinit.c: Likewise.
11415 * dwarf2out.c: Likewise.
11417 * gcov.c: Likewise.
11418 * prefix.c: Likewise.
11420 * toplev.c: Likewise.
11421 * system.h: And move to here.
11423 * prefix.c (update_path): Fix typo in variable name.
11425 2000-01-06 Richard Henderson <rth@cygnus.com>
11427 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11428 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11429 (count_reg_sets_1, count_reg_references): Likewise.
11430 (flow_loops_level_compute): Start counting actual loop depth at 1.
11431 (flow_loops_find): Likewise.
11432 * local-alloc.c (update_equiv_regs): Likewise.
11433 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11435 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11437 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11438 FIRST_PSEUDO_REGISTER
11439 * dwarf2out.c: Don't include frame.h
11440 * dwarfout.c: Likewise
11441 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11444 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11446 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11449 * i386.c (movsf splitter): Fix typo in my last checkin.
11451 2000-01-05 Nick Clifton <nickc@cygnus.com>
11453 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11454 own definition of this macro.
11455 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11456 flag_data_sections or UNIQUE_SECTION_P are true.
11458 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11459 unitialised data decls.
11461 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11462 being called for uninitialised data.
11464 * config/i386/interix.c (i386_pe_unique_section): Cope with
11465 being called for uninitialised data.
11467 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11468 for uninitialised data.
11470 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11471 for uninitialised data.
11473 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11474 for uninitialised data.
11476 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11477 (UNIQUE_SECTION_P): Always generate a unique section if
11478 flag_data_sections is true.
11479 (UNIQUE_SECTION): Also generate unique sections for
11480 uninitialised data.
11481 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11482 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11485 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11487 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11490 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11492 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11493 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11494 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11495 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11496 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11498 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11500 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11502 * c-decl.c (finish_enum): Simplify code to determine minimum and
11503 maximum values of the enum, and calculate the type. Remove check
11504 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11505 the DECL_INITIAL of each enumeration constant with a copy converted
11506 to the enumeration type. When updating variant types, don't bother
11507 updating the type itself.
11509 * c-typeck.c (build_binary_op): Simplify conditional expressions
11510 when weeding out spurious signed-unsigned warnings. Add new
11511 spurious warning category: if the unsigned quantity is an enum
11512 and its maximum value fits in signed_type(result_type). Update
11514 (build_conditional_expr): Warn here if one alternative is signed
11515 and the other is unsigned.
11517 2000-01-05 Nick Clifton <nickc@cygnus.com>
11519 * config/fr30/fr30.h: Remove extraneous comments.
11521 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11523 * reload1.c (choose_reload_regs): When disabling a reload, also
11524 set reload_spill_index to -1.
11526 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11528 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11530 (m68*-*-rtemself*): New target.
11531 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11532 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11533 (sparc*-*-rtemself*): New target.
11534 (sparc*-*-rtems*): Now elf not a.out.
11535 * config/i386/rtems.h: Include config/rtems.h.
11536 * config/i386/rtemself.h: Include config/rtems.h.
11537 * config/i960/rtems.h: Include config/rtems.h.
11538 * config/m68k/rtems.h: Include config/rtems.h.
11539 * config/m68k/rtemself.h: Include config/rtems.h.
11540 * config/mips/rtems64.h: Include config/rtems.h.
11541 * config/pa/rtems.h: Include config/rtems.h.
11542 * config/rs6000/rtems.h: Include config/rtems.h.
11543 * config/sh/rtems.h: Include config/rtems.h.
11544 * config/sh/rtemself.h: Include config/rtems.h.
11545 * config/sparc/rtems.h: Include config/rtems.h.
11546 * config/sparc/rtemself.h: Include config/rtems.h
11548 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11550 * final.c (shorten_branches): Correctly compute length of
11551 asms without operands.
11553 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11555 * configure.in: Add pj target.
11556 * configure: Regenerate.
11557 * config/pj: New directory.
11558 * config/pj/lib1funcs.S: New file.
11559 * config/pj/linux.h: New file.
11560 * config/pj/pj.c: New file.
11561 * config/pj/pj.md: New file.
11562 * config/pj/pjl.h: New file.
11563 * config/pj/t-pj: New file.
11564 * config/pj/xm-pj.h: New file
11566 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11568 * toplev.c (rest_of_compilation): Run shorten-branches before
11571 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11573 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11574 macros so that they're consistent with their names.
11575 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11576 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11578 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11580 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11581 modified inadvertently.
11583 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11585 * configure.in (v850*-*-rtems*): New target.
11586 * configure: Regenerate.
11587 * config/v850/rtems.h: New file.
11589 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11591 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11592 (__gthread_key_create): Likewise.
11593 (__gthread_key_dtor): Likewise.
11594 (__gthread_once): Fix logic.
11595 (__gthread_key_delete): Cast away constness.
11597 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11598 * invoke.texi: Document.
11599 * i386/mingw32.h (CPP_SPEC): Use.
11600 (LIBGCC_SPEC): Likewise.
11601 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11603 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11605 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11606 (HANDLE_PRAGMA_PACK): Undefine.
11607 (SLOW_UNALIGNED_ACCESS): Define.
11609 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11611 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11612 to default definition.
11613 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11614 (store_fixed_bit_field): Call macro with word_mode and alignment.
11615 (extract_bit_field): Call macro with relevant mode and alignment.
11616 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11617 to default definition.
11618 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11620 (move_by_pieces_ninsns): Likewise.
11621 (clear_by_pieces): Likewise.
11622 (emit_push_insn): Likewise.
11623 (store_field): Call macro with relevant mode and alignment.
11624 (expand_expr): Likewise.
11625 (expand_expr_unaligned): Likewise.
11627 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11628 (SLOW_UNALIGNED_ACCESS): Define.
11629 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11630 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11631 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
11632 (toc_section): Likewise and .toc pseudo-op.
11633 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11635 (TEXT_SECTION_ASM_OP): Likewise.
11636 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11639 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11640 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11641 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11642 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11643 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11645 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11647 * regclass.c: Revert my Jan 4 change to loop cost computation.
11649 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11651 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11654 2000-01-04 Stan Cox <scox@cygnus.com>
11656 * haifa-sched.c (build_control_flow): Change unreachable simple
11657 loop test to check if current block has only one predecessor.
11658 (find_rgns): Initialize degree. Use dest as degree index, not src.
11660 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11662 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11664 * calls.c (expand_call): Likewise for
11665 `old_stack_arg_under_construction'.
11667 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11669 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11672 * gcc.c (execute): Likewise for `ut' and `st'.
11674 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11676 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11678 * jump.c (jump_optimize_1): Likewise for `temp2'.
11680 * local-alloc.c (block_alloc): Likewise for `r1'.
11682 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11684 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11685 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11687 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11690 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11691 and `goal_earlyclobber'.
11693 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11695 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11697 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11699 * unroll.c (copy_loop_body): Likewise for `copy'.
11701 * varasm.c (output_constructor): Likewise for `byte'.
11703 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11705 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11706 all FP constants for constant->reg moves.
11707 (ix86_split_to_parts): Try to convert memory address into immediate
11708 when available in the constant pool.
11709 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11711 (LEGITIMATE_CONSTANT_P): Return 1.
11712 * i386.md (pushsf): New splitter to convert constant pool memory
11713 reference to immediate.
11714 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11717 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11719 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11720 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11721 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11722 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11723 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11725 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11727 * ginclude/stdbool.h: Support compilation as C++.
11729 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11731 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11733 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11735 * regclass.c (regclass): Properly compute loop_cost. Adjust
11738 * regclass.c: Fix minor whitespace problems.
11740 2000-01-03 Anthony Green <green@cygnus.com>
11742 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11743 Restore the pic register if required.
11745 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11747 * c-common.c (format_char_info): Update comment.
11748 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11749 was recognized. Emit warning for formats new in ISO C99 only
11750 if flag_isoc9x is not set.
11752 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11754 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11756 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11758 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11759 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11760 (make_compound_operation): Choose cheaper alternative between
11761 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11763 * regclass.c (op_costs): Remove global variable.
11764 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11765 (record_operand_costs): Break out from ...
11766 (scan_one_insn): ... here.
11767 (dump_regclass): Make dumps nicer.
11768 (regclass): Dump preferrences choosed and changes done during passes.
11770 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11772 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11774 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11776 * config/sparc/sparc.c (gen_df_reg): New function.
11777 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11778 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11779 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11780 movtf_cc_reg_sp64+1): Use it.
11782 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11784 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11785 copied LABEL_DECLs.
11787 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11789 * config/i386/i386.c (ix86_expand_unary_operator): Function
11790 definition made void.
11791 (ix86_expand_binary_operator): Update outdated preceding comment.
11792 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11795 * config/i386/i386.c (override_options): Fix option-name typo.
11797 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11799 * system.h (CEIL): Define.
11800 * builtins.c (CEIL): Remove.
11801 * expmed.c (CEIL): Likewise.
11802 * expr.c (CEIL): Likewise.
11803 * stor-layout.c (CEIL): Likewise.
11805 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11807 * expr.c (store_constructor_field): Fix typo introduced with last
11810 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11812 * tree.h (BINFO_N_BASETYPES): New macro.
11814 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11816 * expmed.c (emit_store_flag): Prevent losing a pending stack
11817 adjust the same way we prevent losing queued increments.
11819 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11821 * function.c (update_temp_slot_address): Handle case where sum of
11822 temporary address plus offset in register is a valid address.
11824 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11826 * genrecog.c (change_state) Corrected typo.
11828 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11830 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11831 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
11832 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
11834 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
11836 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
11837 case, expand GT comparisons correctly. Fix a comment before this
11840 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11842 * dwarfout.c: Include "frame.h"
11843 * dwarf2out.c: Likewise.
11844 * Makefile.in (dwarfout.o): Depend on frame.h
11845 (dwarf2out.o): Likewise.
11847 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
11849 Restore i386 binary compatibility in Dwarf EH info.
11850 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
11851 value of FIRST_PSEUDO_REGISTER.
11852 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
11853 (struct frame_state): Use DWARF_FRAME_REGISTERS.
11854 * dwarfout.c (output_reg_number): Ditto.
11855 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
11856 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
11858 1999-12-29 Bruce Korb <autogen@linuxbox.com>
11860 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
11861 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
11862 (<hack>_RE_CT): not needed
11863 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
11864 rewritten to scan the file text once only
11865 "template<..." test added
11866 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11867 (is_cxx_header): declaration added
11868 * fixinc/fixtests.c(is_cxx_header): removed
11869 (apply_fix_p_t): removed
11870 (double_slash_test): is_cxx_header is only called once now
11871 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
11872 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
11873 within the templates.
11874 The borken spelling of "broken" was fixed.
11875 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
11876 The default level depends on FIXINC_DEBUG.
11878 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11880 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
11881 Otherwise provide a declaration for atexit.
11882 (init_dummy): Make sure dummy call to atexit is nevertheless
11883 called with correct number of args.
11885 * frame.c: Update comments referring to other files.
11887 * libgcc2.c: Likewise.
11889 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11891 * cse.c (free_element, get_element): Remove unused prototypes.
11893 * fold-const.c (extract_muldiv): Initialize variables `op0' and
11896 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
11899 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
11901 * configure.in,configure: case arm for mn10200-*-* now sets
11902 float_format=i32 so that float.h will correctly claim "double"
11903 to be 32 bits. Ran autoconf to generate configure from .in file.
11905 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
11907 * pa.md (conditional zero): If op1 is a register, force it into
11908 the same register as op0.
11910 1999-12-28 Mark Mitchell <mark@codesourcery.com>
11912 * tree.h (BINFO_BASETYPES): Improve documentation.
11914 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11916 * configure.in (--enable-checking): Use a more portable `for'
11919 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11921 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
11922 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
11924 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
11927 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
11928 Delete descriptions.
11930 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
11931 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
11932 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
11933 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
11934 xm-svr4.h: Remove all instances of sys_siglist handling.
11936 1999-12-27 Jakub Jelinek <jakub@redhat.com>
11938 * config/sparc/sparc.md (cmp_zero_qi,
11939 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
11940 cmp_zero_extendqidi2_andcc_set): New patterns.
11942 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
11944 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
11945 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
11946 (fpgnulib.c, xfgnulib.c): Add rules.
11947 * m68k/t-mot3300-gas: Likewise.
11949 1999-12-27 Ian Lance Taylor <ian@zembu.com>
11951 * configure.in: Avoid [[ by using test and changequote. Add
11952 changequote required by 1999-12-14 change.
11953 * configure: Rebuild.
11955 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
11957 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
11959 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
11961 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
11962 * flow.c (find_use_as_address): Likewise.
11963 * function.c (fixup_var_refs_1): Likewise.
11964 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
11965 * jump.c (invert_exp, redirect_exp): Likewise.
11966 * loop.c (replace_call_address): Likewise.
11967 (count_nonfixed_reads): Likewise.
11968 * rtlanal.c (modified_between_p): Likewise.
11969 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
11970 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
11971 * unroll.c (remap_split_bivs): Likewise.
11973 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11975 * diagnostic.c (v_message_with_decl): Use .* format specifier
11976 instead of building the format specifier width manually.
11978 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
11979 determining whether to provide a prototype. Remove the
11980 sys_siglist clause in the conditional.
11982 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11984 * fold-const.c (operand_equal_p): Use memcmp to compare string
11986 Suggested by D. J. Bernstein
11988 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11990 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
11991 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11993 * config/mips/mips.h (TARGET_64BIT): Likewise.
11994 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
11995 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
11996 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
11997 dsps. Give routines proper names if SI/DI modes are not used.
11998 * longlong.h: Use DWunion instead of DIunion.
12000 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12002 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12003 GC_CHECKING, GC_ALWAYS_COLLECT.
12004 * configure.in: Allow --enable-checking with an argument
12005 listing check modes to enable.
12006 * config.in, configure: Rebuilt.
12007 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12008 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12009 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12010 ENABLE_GC_ALWAYS_COLLECT.
12011 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12013 * tree.h, tree.c: Change ENABLE_CHECKING to
12014 ENABLE_TREE_CHECKING throughout.
12016 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12018 * fold-const.c (fold_truthop): Properly check for FP RHS.
12020 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12022 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12023 * toplev.c (note_deferral_of_defined_inline_function): New
12024 function, split out from ...
12025 (rest_of_compilation): ... here. Use it.
12027 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12029 * expr.c (store_constructor): Don't call clear_storage if size is
12032 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12034 * Makefile.in (toplev.o): Depend on loop.h.
12036 * dwarfout.c: Include tm_p.h.
12038 * emit-rtl.c (restore_emit_status): Mark parameter with
12041 * final.c (final_scan_insn): Likewise.
12043 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12044 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12045 flow_depth_first_order_compute, flow_loop_pre_header_find,
12046 flow_loop_tree_node_add, flow_loops_tree_build,
12047 flow_loop_level_compute, flow_loops_level_compute,
12048 flow_loop_outside_edge_p): Add prototypes.
12049 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12051 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12052 Mark with ATTRIBUTE_NORETURN.
12054 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12056 * local-alloc.c (no_conflict_p): Likewise.
12058 * loop.c (insert_bct): Hide definitions of variables with hidden
12060 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12062 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12063 with ATTRIBUTE_UNUSED.
12064 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12065 (reg_scan): Likewise.
12067 * reload.c (find_reloads): Remove unused variables `changed'.
12069 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12071 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12072 Remove unused variable `insn'.
12074 * toplev.c: Include loop.h.
12075 (report_file_and_line): Remove unnecessary prototype.
12077 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12079 * unroll.c (biv_total_increment): Likewise.
12081 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12083 * reload1.c (emit_input_reload_insns): Restore old behaviour
12084 wrt. 'special' reloads.
12086 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12088 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12089 hash.h. (cse.c): Don't depend on hashtab.h.
12091 * cse.c: Don't include hashtab.h.
12092 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12094 * ggc-simple.c: Don't include hash.h.
12096 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12098 * dwarf2out.c (add_abstract_origin_attribute): Call
12099 gen_abstract_function on our function context.
12101 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12103 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12105 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12107 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12110 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12112 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12113 constraints to "a!r".
12115 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12117 * Makefile.in (calls.o): Depend on function.h.
12118 (alias.o): Likewise.
12120 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12122 * reload1.c (emit_reload_insns): Break out code and variables into...
12123 (input_reload_insns, other_input_address_reload_insns,
12124 other_input_reload_insns, input_address_reload_insns,
12125 inpaddr_address_reload_insns, output_reload_insns,
12126 output_address_reload_insns, outaddr_address_reload_insns,
12127 operand_reload_insns, other_operand_reload_insns,
12128 other_output_reload_insns): ... new static variables, and...
12129 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12130 do_output_reload): ... new functions.
12132 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12134 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12136 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12138 * md.texi: Add c4x constraints documentation.
12140 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12142 * config/i386/dgux.c (struct option): Rename to
12143 lang_independent_option.
12144 (struct m_options): Add description field.
12145 (output_options): Rename option type, add sep declaration, output
12146 ix86_cpu_string and ix86_arch_string only if set.
12147 (output_file_start): Rename option type.
12149 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12151 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12153 (libgcc2.a): Similarly.
12155 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12157 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12158 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12159 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12161 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12163 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12164 Remove redundant initialization of "frexpon" and "expon".
12166 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12168 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12170 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12171 (store_constructor_field, expand_expr): Pass new arg.
12173 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12175 * Makefile.in (explow.o): Depend on function.h.
12177 * stor-layout.c (set_sizetype): Fix typo.
12179 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12181 * function.c (cfun): Renamed from current_function. All users
12183 * function.h (cfun): Rename declaration as well.
12185 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12186 to be of type regset_head, not regset. All users changed by adding
12188 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12190 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12192 * config/c4x/rtems.h: New file.
12194 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12196 * reload1.c (spill_failure): Take class of failed reload as argument
12197 and print it. Caller changed.
12199 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12201 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12202 (TARGET_SWITCHES): Allow subtargets to default switches.
12203 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12205 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12207 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12210 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12212 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12213 * cppinit.c (cpp_handle_option): Likewise.
12215 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12216 determine when to define.
12218 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12220 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12221 cmove with mismatched test and data modes.
12223 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12225 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12228 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12230 * alias.c: Minor reformatting.
12231 * flow.c: Likewise.
12232 * regs.h: Likewise.
12233 * stor-layout.c: Likewise.
12234 * fold-const.c: Likewise.
12235 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12236 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12238 (size_int_wide): Cache nodes even if garbage collecting.
12239 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12240 of SAVE_EXPR has no side effects.
12241 * cse.c: Move a comment.
12242 * tree.c: Minor reformatting.
12243 (int_size_in_bytes): Return -1 if constant overflows.
12245 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12247 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12249 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12251 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12252 after any change to c-parse.in, even if objc-parse.y didn't
12255 1999-12-18 David S. Miller <davem@redhat.com>
12257 * toplev.c (rest_of_compilation): Restore BLOCK tree
12258 reconstruction and branch shortening changes lost in
12259 December 18th change.
12261 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12263 * config/arm/linux-elf.h: Change all instances of
12264 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12265 * config/arm/uclinux-elf.h: Likewise.
12267 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12269 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12270 v_message_with_decl, file_and_line_for_asm,
12271 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12272 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12273 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12274 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12275 pfatal_with_name, fatal_io_error, need_error_newline,
12276 last_error_function, last_error_tick, announce_function,
12277 default_print_error_function, print_error_function,
12278 report_error_function, fnotice, error_with_file_and_line,
12279 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12280 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12281 warning_with_decl, warning_for_asm, warning, pedwarn,
12282 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12284 (compile_file): Use fnotice instead of notice. Adjust call.
12286 * diagnostic.c: New file.
12288 * Makefile.in (OBJS): Include diagnostic.o
12289 (diagnostic.o): Define dependence.
12291 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12293 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12296 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12298 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12300 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12302 * fixtests.c (is_cxx_header): New fn, split out of
12304 (else_endif_label): Allow "#endif // comment" in C++ headers,
12305 as determined by is_cxx_header.
12306 * fixfixes.c (else_endif_label_fix): Update comment.
12307 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12309 * genfixes: Correct double thinko in commandline parsing.
12310 * hackshell.tpl: Generate correct sh syntax for bypass
12313 * inclhack.def (all): Whenever an inserted preprocessor
12314 conditional is split over multiple lines, use double
12315 backslashes in this file so the fixed header will be readable.
12317 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12318 and add bypass entry for correct version of this header.
12319 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12320 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12322 (hpux8_bogus_inlines): New fix, split from...
12323 (ultrix_atof_param) ... here.
12324 (math_expression): Add bypass entry keyed to glibc comment
12325 indicating the problem has been dealt with; disable
12326 unnecessary sed operations; update commentary.
12327 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12328 add select and bypass entries, simplify shell operation.
12329 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12331 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12332 ultrix_atof_param): Add select entry.
12333 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12334 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12335 comments with the fixes they describe.
12337 * c-parse.in (string action): Do not warn about ANSI string
12338 concatenation in system headers. Affects C parser only.
12339 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12341 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12343 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12344 compiling libgcc2 the macro depends always on arch cpp defines.
12346 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12348 * loop.c (insert_loop_mem): Don't record MEMs from inside
12351 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12353 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12355 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12356 notes too, create one when replacement failed, attempt to simplify
12358 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12359 or REG_EQUIV notes.
12361 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12363 * crtstuff.c (__dso_handle): Declare.
12364 (__cxa_finalize): Likewise.
12365 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12368 * invoke.texi: Document -fuse-cxa-atexit.
12370 * tree.h (ptr_type_node): Document.
12371 (const_ptr_type_node): Likewise.
12373 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12375 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12376 (optimize_reg_copy_2): Likewise.
12377 (optimize_reg_copy_3): Likewise.
12378 (fixup_match_2): Likewise.
12379 (regmove_optimize): Likewise.
12380 (fixup_match_1): Liekwise.
12382 * i386.md (HI to SImode promoting splitters): Rewrite.
12383 (pushsf mem peep2): New.
12384 (testhi to andhi peep2): Remove.
12385 * i386.h (x86_promote_QImode): New.
12386 (TARGET_PROMOTE_QImode): New.
12387 (PREDICATE_CODES): Add promotable_binary_operator.
12388 * i386.c (x86_promote_QImode0: New.
12389 (promotable_binary_operator): New.
12390 * i386-protos.h (promotable_binary_operator): New.
12392 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12394 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12396 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12398 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12399 * function.c (insert_block_after_note): Remove.
12400 (retrofit_block): Likewise.
12401 (identify_blocks): Fix indentation.
12402 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12403 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12404 * function.h (insert_block_after_note): Remove prototype.
12405 (retrofit_block): Likewise.
12406 * integrate.c (expand_inline_function): Don't call
12407 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12408 just expand_start_bindings. Use the block_map to remap old
12409 NOTE_BLOCKs to new ones.
12410 (integrate_decl_tree): Keep track of remapped blocks.
12411 * integrate.h (struct inline_remap): Add block_map.
12412 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12413 NOTE_BLOCK on the notes.
12414 (expand_start_bindings): Rename to ...
12415 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12416 (expand_end_bindings): Set NOTE_BLOCK.
12417 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12418 reconstruct the BLOCK tree.
12419 * tree.h (expand_start_bindings): Macroize. Call ...
12420 (expand_start_bindings_and_block): New function.
12422 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12424 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12425 to match the format.
12427 1999-12-16 David S. Miller <davem@redhat.com>
12429 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12430 the outputs is a SUBREG.
12431 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12434 * config/sparc/sparc.c (epilogue_renumber): Add default case
12437 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12439 * toplev.c (rest_of_compilation): Run branch shortening after
12442 * regclass.c (loop_depth): Remove
12443 (scan_one_insn): Do not handle LOOP_NOTE insns.
12444 (regclass): Go through basic blocks and set loop_cost
12446 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12448 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12450 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12452 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12453 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12454 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12456 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12458 * loop.c (insert_loop_mem): Ignore memory clobbers.
12460 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12463 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12465 * profile.c: Remove redundant #include "output.h".
12467 * h8300.md (HImode preinc peephole): Fix typo.
12469 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12471 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12472 (insert_block_after_note): Abort if we don't have a previous block.
12473 Remove FN parameter.
12474 * function.h: Adjust.
12476 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12478 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12479 argument more than once.
12481 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12483 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12485 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12487 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12489 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12491 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12492 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12493 update stack_alignment_needed.
12494 (prepare_function_start): Initialize stack_alignment_needed
12495 * function.h (struct function): Add field stack_alignment_needed.
12497 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12499 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12500 Handle live_throughout / dead_or_set instead of live_before /
12502 (save_call_clobbered_regs): Get register livenessinformation from
12503 chain->live_throughout.
12504 (add_stored_regs): New function.
12505 (insert_restore, insert_save): Add restored / saved registers to
12507 * global.c (reg_dies): New parameter chain.
12508 (reg_becomes_live): Third parameter is regs_set now.
12509 Changed all callers.
12510 (reg_dies): New parameter chain. Changed all callers.
12511 (build_insn_chain): Set live_throughout instead of
12512 live_before / live_after.
12513 * reload.h (struct insn_chain): Replace members live_before /
12514 live_after with live_throughout / dead_or_set.
12515 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12516 instead of live_before / live_after.
12517 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12518 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12519 (choose_reload_regs_init): Likewise.
12520 * stupid.c (current_chain, find_clobbered_regs): Delete.
12521 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12522 instead of chain->live_before / chain->live_after.
12523 (mark_hard_ref): New function.
12524 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12526 1999-12-15 David S. Miller <davem@redhat.com>
12528 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12530 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12532 * flow.c (calculate_loop_depth): Make global, remove prototype,
12533 rewrite to use new loop infrastructure.
12534 (find_basic_block): Remove calculate_loop_depth call.
12535 * toplev.c (rest_of_compilation): Call find_basic_block.
12536 * output.h (calculate_loop_depth): Declare.
12538 * flow.c (dump_flow_info): Dump loop_depth.
12539 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12541 (flow_loops_find): Initialize the loop_depth for each basic block.
12543 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12545 * tree.c (decl_function_context): Handle virtual functions.
12547 * tlink.c (scan_linker_output): Don't look in demangled name when
12548 looking for linker output keywords.
12550 * dwarfout.c (output_type): We can defer namespace-scope classes.
12552 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12554 * regclass.c (record_reg_classes): Update comment for merging
12555 register class preferences in reg->reg copies. Tighten conditions
12556 for merging register class preferences in reg->reg copies.
12558 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12560 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12562 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12564 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12565 (INIT_SECTION_ASM_OP): Delete.
12566 (FINI_SECTION_ASM_OP): Delete.
12567 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12569 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12571 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12572 the abstract origin wasn't emitted.
12574 * dwarf2out.c (class_scope_p): New fn.
12575 (gen_subprogram_die): Use it.
12576 (gen_variable_die): Use it. Tweak logic.
12577 (gen_struct_or_union_type_die): Check context_die to determine
12578 if we're function-local.
12579 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12581 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12583 * loop.c (check_dbra_loop): Can't reverse a biv that has
12584 maybe_multiple set.
12586 1999-12-14 Nick Clifton <nickc@cygnus.com>
12588 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12591 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12593 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12594 for givs made from biv increments.
12596 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12598 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12599 * alpha.c (override_options): Recognize -mcpu=ev67.
12600 * alpha.h (CPP_CPU_EV67_SPEC): New.
12601 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12602 (EXTRA_SPECS): Update.
12604 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12606 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12607 appropriate for -lang-c89 and -std=*.
12608 * cppinit.c (cpp_handle_option): Likewise.
12609 (new_pending_define): New, split out from cpp_handle_option.
12610 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12611 or enable trigraphs for -ansi/-std=*.
12613 * ginclude/stdarg.h (__va_copy): New.
12614 (va_copy): Don't define for C89.
12616 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12618 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12619 for long long multiply-accumulate.
12621 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12623 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12624 optimizing for size.
12626 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12628 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12629 if something changed. Back out that part of yesterday's changes.
12631 * loop.c (loop_max_reg): New static variable.
12632 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12634 (scan_loop): Call reg_scan_update whenever we may have added new
12635 registers, and update loop_max_reg.
12637 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12639 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12640 when source does not die.
12642 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12644 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12646 * config/sparc/linux64.h (TARGET_LIVE_G0,
12647 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12649 * config/sparc/linux.h (TARGET_LIVE_G0,
12650 TARGET_BROKEN_SAVERESTORE): Likewise.
12651 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12652 TARGET_BROKEN_SAVERESTORE): Likewise.
12654 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12655 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12657 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12658 as sparc64 block profiling register.
12659 * config/sparc/sparc.c (sparc_override_options): Allow block
12660 profiling with -m32.
12661 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12662 profiling register.
12663 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12664 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12665 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12667 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12669 * config/sparc/sparc.h: Likewise.
12670 * config/sparc/xm-sysv4-64.h: Likewise.
12671 * config/float-sparc.h: Likewise.
12672 * glimits.h: Likewise.
12673 * longlong.h: Likewise.
12675 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12676 (ASM_IDENTIFY_GCC): Remove.
12678 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12680 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12681 (simplify_logical): Likewise.
12683 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12685 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12686 * cppfiles.c (INO_T_EQ): Likewise.
12688 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12690 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12691 * i386/mingw32.h (LIB_SPEC): Likewise.
12692 (STARTFILE_SPEC): Likewise.
12693 * i386/uwin.h (LIB_SPEC): Likewise.
12694 (STARTFILE_SPEC): Likewise.
12696 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12697 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12699 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12701 * combine.c (combine_simplify_rtx): Fix order of checks for
12702 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12704 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12706 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12707 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12709 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12711 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12713 * regclass.c (inv_reg_alloc_order): New array.
12714 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12716 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12717 counted_for_groups, counted_for_nongroups. Add fields rld and
12719 * reload.c (push_secondary_reload): Don't set nongroup field of
12721 (push_reload): Likewise.
12722 (find_reloads): Delete code to compute nongroup fields.
12723 * reload1.c (reload_insn_firstobj): New static variable.
12724 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12726 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12727 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12728 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12730 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12732 (struct hard_reg_n_uses): Deleted.
12733 (potential_reload_regs): Deleted.
12734 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12735 (reload): Don't try to allocate reload registers if we already know
12736 we have to make another pass. Call select_reload_regs. Free memory
12737 starting with reload_firstobj when starting another pass.
12738 Don't allocate spilled_pseudos.
12739 (calculate_needs_all_insns): Call copy_reloads for an insn that
12740 needs reloads; don't call calculate_needs.
12741 (spill_cost): New static array.
12742 (used_spill_regs_local): New static variable.
12743 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12744 to compute potential_reload_regs.
12745 (find_reload_regs): Completely rewritten to use find_reg.
12746 (allocate_reload_reg): Don't test counted_for_groups or
12747 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12748 all cllers changed.
12749 (choose_reload_regs): Add fallback code that uses the existing
12750 register allocation from find_reload_regs.
12752 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12754 * flow.c (create_edge_list): Cast xmalloc return value.
12756 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12758 * doprnt.c: Remove incorrect comment closure.
12760 * cse.c: Fix a few minor whitespace goofs.
12762 1999-12-13 Don Bowman <don@pixstream.com>
12764 * mips/vxworks.h: Fix problem with comment termination.
12765 (EXTRA_SECTIONS): Add in_sbss.
12766 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12768 1999-12-12 David S. Miller <davem@redhat.com>
12770 * cse.c (struct cse_reg_info): Add hash_next member,
12771 reorder rest of struct for better packing on 64-bit
12773 (cse_reg_info_tree): Kill.
12774 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12775 REGHASH_FN): New custom pow2 hash mechanism.
12777 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12778 use a pow2 hash table.
12779 (get_cse_reg_info): Rework to use new REGHASH.
12780 (new_basic_block): Likewise, use HASH_SIZE, and inline
12782 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12783 and inline free_element call.
12784 (lookup_as_function, insert, flush_hash_table, invalidate,
12785 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12786 invalidate_for_call, use_related_value, find_comparison_args,
12787 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12788 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12789 get_element): Kill.
12791 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12793 * cse.c (cse_basic_block): Free qty_table consistently.
12795 1999-12-12 David S. Miller <davem@redhat.com>
12796 Jakub Jelinek <jakub@redhat.com>
12798 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12799 SUBREGs by hand, gen the appropriate hard reg directly.
12800 (movtf reg/mem split): Likewise and alter_subreg on destination
12802 (movtf mem/reg split): Similarly.
12803 (movdf_cc_sp64): Rename from hidden pattern.
12804 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12805 (movtf_cc_sp64, following split): New pattern and splitter.
12806 (movdf_cc_reg_sp64): Rename from hidden pattern.
12807 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12809 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12811 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12813 * loop.c (load_mems): Don't hoist written floating point mem
12816 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12818 * except.h (struct eh_queue): Add `next' pointer.
12819 (struct eh_status): Make x_ehqueue a pointer.
12820 (push_ehqueue): Declare.
12821 (pop_ehqueue): Likewise.
12822 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12824 (expand_fixup_region_end): Likewise.
12825 (expand_leftover_cleanups): Likewise.
12826 (push_ehqueue): Define.
12827 (pop_ehqueue): Likewise.
12828 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12829 than doing it inline.
12830 (expand_start_all_catch): Adjust now that ehqueue is a
12832 (mark_eh_queue): Mark all level of the queue.
12833 (mark_eh_status): Adjust now that ehqueue is a
12835 (init_eh_for_function): Allocate ehqueue.
12836 (free_eh_status): Free it.
12837 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
12838 expansion for a fixup.
12840 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12842 * gthr-single.h (__gthread_active_p): Add prototype arguments.
12844 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
12845 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
12846 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
12847 function_ptr, getpagesize, __enable_execute_stack,
12848 __enable_execute_stack, __clear_insn_cache,
12849 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
12850 _cleanup, _exit, __default_terminate, __terminate_func,
12851 __terminate, __empty, __throw, new_eh_context,
12852 eh_context_initialize, eh_context_static, eh_context_specific,
12853 get_eh_context, __get_eh_context, __get_eh_info,
12854 init_reg_size_table, eh_threads_initialize,
12855 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
12856 __unwinding_cleanup, throw_helper, __throw, __rethrow,
12857 __pure_virtual): Add prototype arguments.
12858 (__bb_exit_func): Cast a sizeof to long when comparing against one.
12859 Cast a signed value to unsigned long when comparing against one.
12860 (new_eh_context): Wrap in _GTHREADS macro.
12861 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
12863 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
12864 (throw_helper): Initialize variables `handler_p' and `pc_p'.
12866 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12868 * combine.c (record_promoted_value): Remove unused variable
12871 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
12873 * global.c (record_conflicts): Likewise for `j'.
12875 * genoutput.c (output_insn_data): Don't unnecessarily cast away
12878 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12880 * i386-protos.h (output_387_binary_op, output_fix_trunc,
12881 output_fp_compare): Constify a char*.
12883 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
12885 (override_options, ix86_comp_type_attributes, print_operand,
12886 output_387_binary_op, output_fix_trunc, output_fp_compare):
12888 (ix86_sched_reorder): Mark parameter `clock_var' with
12891 * i386.h (DEBUG_PRINT_REG): Constify a char*.
12893 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
12895 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
12896 operand, for use in the Java front-end.
12898 1999-12-10 Ben Collins <bcollins@debian.org>
12900 * configure.in: Fix typo for "-64" in 64bit as check.
12901 * configure: Rebuilt.
12903 1999-12-10 Jakub Jelinek <jakub@redhat.com>
12905 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
12908 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12910 * c-parse.in (string): With -Wtraditional, warn if ANSI string
12911 concatenation is utilized.
12913 * invoke.texi (-Wtraditional): Document it.
12915 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12917 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
12918 Cast a ptrdiff_t to long and pass it to printf with %ld.
12920 1999-12-10 Geoff Keating <geoffk@cygnus.com>
12922 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
12923 68881, we have no 68881 registers at all.
12924 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
12925 value in a 68881 register if it is available.
12927 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
12929 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
12930 for long long multiply-accumulate.
12932 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12934 * loop.c (insert_loop_mem): Undo last change.
12936 1999-12-10 David S. Miller <davem@redhat.com>
12938 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
12940 * config/sparc/sparc-protos.h: Add them.
12941 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
12942 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
12943 constraints which use those helpers.
12944 (EXTRA_CONSTRAINT): Use this new macro.
12945 * md.texi: Update sparc target constraints documentation.
12946 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
12947 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
12948 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
12949 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
12950 (movsf high/lo_sum split): Rework for new patterns.
12951 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
12953 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12955 * c-common.c (c_common_nodes_and_builtins):
12956 Create __builtin_ptrdiff_t and __builtin_size_t.
12958 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
12960 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
12962 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12964 * regclass.c (globalize_reg): Re-instate test that allows
12965 fixed registers to be declared as a variable even after functions
12968 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12970 * i386.md (cpu attribute): Add "athlon".
12971 (athlon_decode): New attribute.
12972 (Athlon scheduling units definitions): New.
12973 (fcmp and shld patterns): Set athlon_decode to "vector".
12974 * i386.c (athlon_cost): New.
12976 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
12977 x86_use_sahf): Set for Athlon.
12978 (x86_use_fiop): Unset for Athlon.
12979 (override_options): Define Athlon alignments and "athlon" name.
12980 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
12981 * i386.h (TARGET_ATHLON): New.
12982 (enum processor_type): Add PROCESSOR_ATHLON.
12983 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
12985 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
12987 1999-12-09 Andreas Jaeger <aj@suse.de>
12989 * loop.c (record_biv): Declare parameter as int.
12991 * config/i386/i386-protos.h: Declare long_memory_operand.
12993 1999-12-09 Mark Mitchell <mark@codesourcery.com>
12995 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
12996 EXPR_WITH_FILE_LOCATION.
12998 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13000 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13003 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13005 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13008 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13010 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13011 default on linux64 again.
13012 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13013 models for multilibing.
13014 * genmultilib: Accept | as alternative separator within a set in
13017 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13019 * calls.c (precompute_arguments): Make sure initial_value contains
13020 value pseudo which CSE expects.
13021 * cse.c (struct set): New entry orig_src.
13022 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13025 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13027 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13029 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13031 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13033 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13035 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13036 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13038 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13041 * longlong.h: Merge in changes from glibc.
13042 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13043 -mno-app-regs libgcc can be compiled.
13044 * libgcc2.c: Add defines so that the updated longlong.h
13045 can be used in libgcc2.a. Also, make sure on most architectures
13046 (at least on all which have optimized code in longlong.h defined
13047 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13049 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13051 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13052 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13053 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13055 * configure: Rebuilt.
13057 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13059 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13060 outputs require a register.
13062 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13064 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13065 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13066 functions like dptoul will be resolved.
13067 (libgcc2.a): Make sure that the object files from DPBIT are named
13068 differently (prefix `_dp') from those that would be coming from
13071 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13073 * configure.in: When target is sparc* and tm_file contains 64,
13074 test for 64bit support in assembler. If not supported, remove
13075 sparc/t-sol2-64 from target-dependent Makefile fragments.
13076 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13077 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13078 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13079 * acconfig.h (AS_SPARC64_FLAG): Added.
13080 * configure, config.in: Rebuilt.
13081 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13082 support. Use AS_SPARC64_FLAG.
13084 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13086 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13087 suitable for holding OFmode values so that gcc works with complex
13089 (hard_64bit_mode_classes): Likewise.
13091 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13092 so that it is actually matched.
13093 (sethi_di_medlow): Likewise.
13095 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13096 as legitimate constant if -mvis.
13097 * config/sparc/sparc.md (movtf): Likewise.
13098 (clear_sf): Use const_double_operand.
13099 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13101 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13102 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13103 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13104 routines, _Qp_* cannot be handled like that now.
13105 (INIT_TARGET_OPTABS): Likewise.
13106 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13107 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13108 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13109 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13110 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13111 divtf3, sqrttf3): New expanders.
13112 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13113 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13114 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13117 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13118 * configure: Rebuilt.
13119 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13120 -mcpu is given and we're doing 64bit compiles.
13122 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13124 * loop.h (struct induction): Add multi_insn_incr.
13125 * loop.c (basic_induction_var): New multi_insn_incr argument.
13126 Set it if we search back through previous insns for the biv.
13127 (record_biv): New multi_insn_incr argument; fill in struct induction.
13128 (strength_reduce): Discard an iv with multiple bivs, any of
13129 which require multiple insns to increment.
13131 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13133 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13136 1999-12-06 David S. Miller <davem@redhat.com>
13138 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13139 PROMOTE_FUNCTION_RETURN.
13141 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13143 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13144 and handle REG_UNUSED note on insn.
13146 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13147 inner_mask instead of mask.
13149 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13151 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13152 zero if there was an error.
13154 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13156 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13159 * longlong.h: Fix clobbers in SPARC asm statements.
13161 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13162 valid sethi operations when TARGET_ARCH64.
13164 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13165 always use move_by_pieces to avoid infinite recursion.
13166 (restore_fixed_argument_area): Likewise.
13168 * combine.c (check_promoted_subreg, record_promoted_value): New
13170 (combine_instructions): Use them to retain nonzero and sign bit
13171 information after SUBREGs are eliminated by optimizations in
13172 this pass if PROMOTE_FUNCTION_RETURN.
13174 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13175 .register declaration. Don't use variables with __ prefixes.
13177 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13179 * fold-const.c (optimize_bit_field_compare): Only use one mode
13180 for both RHS and LHS in non-constant case.
13182 1999-12-06 Nathan Sidwell <nathan@acm.org>
13184 * frame.c (start_fde_sort): Only allocate erratic array, if
13185 linear one was allocated. Return allocated flag.
13186 (fde_insert): Only insert, if there's a valid array.
13187 (fde_end_sort): Split, sort and merge if linear and erratic
13188 arrays exist, else just sort linear one.
13189 (search_fdes): New function. Linear search through original fde
13191 (frame_init): Permit multiple initializations. Cope with
13193 (find_fde): Fallback on linear search, if failed to sort array.
13194 (__deregister_frame_info): Only free sorted array, if we
13197 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13199 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13201 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13203 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13205 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13207 * tree.h (special_function_p): Declare.
13208 * calls.c (special_function_p): Make it global. Don't take `name'
13209 as a parameter. Fix typo in 1999-11-28 change.
13210 (expand_cal): Adjust.
13212 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13214 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13215 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13216 EXPR_WFL_FILENAME_NODE.
13217 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13219 * print-tree.c (print_note): Print TREE_PRIVATE and
13222 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13223 the original die cannot be found.
13225 * varray.h (varray_head_tag): Add elements_used.
13226 (VARRAY_PUSH): New macro.
13227 (VARRAY_POP): Likewise.
13228 (VARRAY_TOP): Likewise.
13229 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13231 * varray.c (varray_init): Initialize elements_used.
13232 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13233 (INTEGRATE_H): New variable.
13234 (integrate.o): Depend on INTEGRATE_H.
13235 (unroll.o): Likewise.
13237 * function.h (insert_block_after_note): Declare.
13238 * function.c (insert_block_after_note): Split out from ...
13239 (retrofit_block): ... here.
13241 * stmt.c (expand_fixup): Fix typo in comment.
13243 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13245 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13246 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13247 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13248 (regmove_optimize, fixup_match_1): Likewise.
13250 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13252 * flow.c (flow_loops_dump): Add missing argument when calling
13253 flow_loop_nested_p.
13255 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13256 Greg McGary <gkm@gnu.org>
13258 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13259 (init_attributes): Add A_NO_LIMIT_STACK.
13260 (decl_attributes): Handle A_NO_LIMIT_STACK.
13261 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13262 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13263 Handle stack bounds checking.
13264 * flags.h (flag_stack_check): Use the word 'probe' rather than
13265 'check', because the flag doesn't actually cause any checking to
13267 * function.c (expand_function_start): Set
13268 current_function_limit_stack.
13269 * function.h (struct function): Add limit_stack.
13270 (current_function_limit_stack): Define.
13271 * invoke.texi (Code Gen Options): Document new options.
13272 * rtl.h: Declare stack_limit_rtx.
13273 * toplev.c (stack_limit_rtx): New variable.
13274 (decode_f_option): Handle new options -fstack-limit-register=REG,
13275 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13276 (main): Add stack_limit_rtx as GC root.
13277 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13278 (struct tree_decl): New member no_limit_stack.
13280 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13282 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13283 (conditional_trap+1): Get new mnemonic correct.
13284 (conditional_trap+2): New pattern for DImode traps.
13286 * config/m68k/m68k.c (output_function_prologue): Handle
13288 * config/m68k/m68k.md (trap): New insn.
13289 (conditional_trap): New insn.
13290 * md.texi (Standard Names): Document `trap' and
13291 `conditional_trap'.
13292 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13293 so a cc0 setter doesn't get emitted at some random place in the
13296 * config/i960/i960.md (trap): New insn.
13297 (conditional_trap): New expander.
13298 (conditional_trap+1, conditional_trap+2): New insns for signed
13299 and unsigned cases.
13300 * config/i960/i960.c (i960_function_prologue): Use
13301 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13303 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13304 Geoffrey Keating <geoffk@cygnus.com>
13306 * flags.h (warn_padded, warn_packed): Add global var decls.
13307 * toplev.c (warn_padded, warn_packed): Add global var defns.
13308 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13309 * stor-layout.c (layout_record): Add local variable `type'
13310 to hold often-used TREE_TYPE (field). Add local variable
13311 `unpacked_align' to hold alignment that would be in force
13312 if no `packed' attribute were present. Warn if `packed' attribute
13313 is unnecessary, or even harmful. Warn when gcc inserts padding
13314 to satisfy alignment requirements of members. Use NULL_TREE
13315 when checking whether var_size is set.
13316 * invoke.texi: Document new flags.
13318 1999-12-03 Nathan Sidwell <nathan@acm.org>
13320 * frame.c (fde_split): Reimplement to avoid variable sized array.
13322 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13324 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13325 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13327 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13329 * invoke.texi: Document the mips option -mno-crt0
13331 1999-12-02 Mike Karr <mkarr@mathworks.com>
13333 * cccp.c (argdata): Added free_ptr member.
13334 (macroexpand): Initialize free_ptr of each argument. When an
13335 argument's buffers are freed, if the argument's free_ptr corresponds
13336 to a buffer on the input stack, then return the free_ptr to that stack
13337 frame, otherwise, free it.
13338 (macarg): If an argument begins and ends on the same input stack level,
13339 then transfer the free_ptr of that buffer to the argument in case
13340 the stack is popped during the processing of a subsequent argument.
13342 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13344 * loop.c (note_reg_stored): New function.
13345 (struct note_reg_stored_arg): New structure.
13346 (try_copy_prop): Change to be more conservative; only replace within
13347 one extended basic block and stop replacing if a store to the
13348 replacement reg is seen.
13350 1999-12-02 Nick Clifton <nickc@cygnus.com>
13352 * config/fp-bit.c: Initialise all fields of the NAN
13355 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13358 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13360 * i386.md (extend?f?f2): Force the input into a register, not
13363 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13365 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13367 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13368 alternative because setting up 64bit constant is usually costly,
13369 especially when reload is in progress or completed.
13370 (movdf_const_intreg_sp64): Likewise.
13371 (movdf_const_intreg split): Fix building up constants when
13372 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13374 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13376 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13377 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13380 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13381 (asm_file_start): Emit .am33 into assembly file when compiling for
13383 (print_operand_address): Handle POST_INC addresses.
13384 (can_use_return_insn, initial_offset): Check AM33 registers too.
13385 (expand_prologue): Check & save AM33 registers too.
13386 (expand_epilogue): Similarly.
13387 (secondary_reload_class): Handle AM33 specific secondary reloads.
13388 (output_tst): Emit efficient code for the AM33 too.
13389 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13390 (TARGET_SWITCHES): Add -mam33 switch.
13391 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13392 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13393 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13394 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13395 (enum reg_class, REG_CLASS_NAMES): Likewise.
13396 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13397 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13398 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13399 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13400 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13401 (HAVE_POST_INCREMENT): Define.
13402 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13403 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13404 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13405 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13406 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13407 (zero_extend to SI from QI/HI): Likewise.
13408 (sign_extend to SI from QI/HI): Likewise.
13409 (mulsidi3, umulsidi3): New patterns for the AM33.
13410 (tstsi with zero extension from QI/HI): Add AM33 variants.
13411 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13412 (return_internal_regs, store_movm): Handle new AM33 registers.
13413 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13414 (LIBGCC, INSTALL_LIBGCC): Likewise.
13415 * invoke.texi: Document new flags.
13417 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13419 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13420 (addsi3_carry): Likewise.
13421 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13422 (sbbsi3_carry): Likewise.
13423 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13424 (mulhi3): Likewise.
13425 (test?i_1): Ensure that only one operand is memory.
13426 (conditional move patterns): likewise.
13427 (shift and rotate patterns): Rewrite to expander, add
13428 "binary_operator_ok" to the condition.
13430 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13431 * i386.h (procesor_costs): Add movzbl_load field.
13432 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13433 non-Q registers, accept DImode registers anywhere.
13435 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13436 * i386.c (*_cost): Set value for movxbl_load field.
13438 * (addsi): New add to lea splitter.
13439 (ashlsi): Likewise.
13440 (lea to add/shift peep2): New.
13442 1999-12-01 Mark Salter <msalter@cygnus.com>
13444 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13445 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13446 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13448 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13450 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13451 * i386.md (movsi_xor): New.
13453 (movsi_1, movhi_1, movqi_1): Remove.
13454 (movsi_2): Rename to movsi_1.
13455 (movhi_2): Rename to movhi_1.
13456 (movqi_2): Rename to movqi_1.
13457 (movdi_1): Remove; remove splitter.
13458 (movdi_2): Rename to movdi_1.
13459 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13460 (long move peep2): Do not create QI or HI mode mov0s
13461 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13463 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13466 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13467 (abs?f2_if): Likewise.
13469 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13471 * ggc.h (ggc_test_and_set_mark): New macro.
13472 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13473 (ggc_mark_tree): Likewise.
13474 (ggc_mark_rtvec): Likewise.
13475 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13477 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13479 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13481 (decl_scope_table): Just an array of trees now.
13482 (push_decl_scope): Simplify.
13483 (dwarf2out_init): Adjust.
13484 (local_scope_p): New fn.
13485 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13486 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13487 (gen_typedef_die): Likewise.
13488 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13489 (gen_inlined_subroutine_die): Likewise.
13490 (gen_abstract_function): Set current_function_decl temporarily.
13491 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13492 Handle block extern declarations. Don't call push/pop_decl_scope.
13493 (gen_decl_die): Fix logic for block externs.
13495 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13497 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13498 to the list of functions which have attribute malloc by default.
13500 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13502 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13503 integer constant does not match the traditional type, limit the
13504 warnings to cases where the base of the type is ten.
13506 * invoke.texi (-Wtraditional): Document it.
13508 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13510 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13511 * rs6000.md: Only access a CONST_INT with INTVAL
13513 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13515 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13516 (compute_nearerout): Likewise.
13517 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13518 size_t to unsigned long for formatting.
13520 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13522 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13523 Allow the user to override call-used/fixed state of %g2-5
13524 registers from the command line (with the exception of %g4 for
13526 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13527 there is a higher chance of having a leaf function.
13528 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13529 for ARCH64 which has %ccr register.
13530 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13532 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13533 insn accept into delay slot any insn which does not use %[ol]
13534 registers. Accept some LO_SUM and shift left by 1 for the normal
13536 (output_function_epilogue): Likewise.
13537 (epilogue_renumber): Added argument which inhibits any renumbering
13538 and just tests if the rtx does not use any %[ol] registers.
13539 (output_return): Reflect above change.
13541 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13543 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13544 aggregate passing for sizes <= 16 bytes.
13546 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13548 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13549 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13550 * reload.c (find_dummy_reload): Likewise.
13551 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13552 * reload1.c (reload_as_needed): Likewise.
13553 * stupid.c (stupid_find_reg): Likewise.
13554 * tm.texi (Obsolete Register Macros): Delete section.
13555 * gmicro.h: Remove all traces of the two macros.
13556 * i386.h: Likewise.
13557 * m88k.h: Likewise.
13558 * mips.h: Likewise.
13560 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13562 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13563 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13564 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13565 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13566 units for the sparclite86x chip.
13567 (flush): Revert October 14th change; add SImode specifically.
13568 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13569 * invoke.texi: Document it.
13571 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13573 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13574 psimode_truncation_operand.
13576 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13577 function. Return true if the operand is either a MEM valid
13578 for a PSImode address or not a MEM at all.
13580 * config/mn10200/mn10200.md (truncsipsi2): Use
13581 psimode_truncation_operand.
13583 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13585 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13586 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13587 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13588 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13589 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13590 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13591 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13592 * basic-block.h: Protect from multiple inclusion.
13593 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13594 (struct loops, struct loop): Define structures.
13595 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13596 * sbitmap.h: Protect from multiple inclusion.
13597 (sbitmap_a_subset_b_p): Add prototype.
13598 * Makefile.in (LOOP_H): New macro.
13599 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13601 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13603 * cppinit.c (CAT): The argument list of this macro may not contain
13606 1999-11-29 David S. Miller <davem@redhat.com>
13608 Move quantity tables and register equivalence chains into
13609 per-qty and per-register structure arrays respectively.
13610 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13611 qty_const_insn, qty_comparison_code, qty_comparison_const,
13612 qty_comparison_qty): Delete, replace with...
13613 (qty_table): this structure table.
13614 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13615 (reg_eqv_table): this structure table.
13616 (make_new_qty): Add argument MODE. Caller updated.
13617 Update to use qty_table and reg_eqv_table.
13618 (make_regs_eqv, delete_reg_equiv, insert_regs,
13619 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13620 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13621 cse_process_notes, cse_main, cse_basic_block): Likewise.
13623 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13625 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13626 operation if C is negative.
13627 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13628 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13629 law for some divisions if constant is negative and change other
13630 divisions to the opposite rounding.
13632 * expr.c (store_constructor_field): If bit position is not multiple
13633 of alignment of TARGET's mode, use BLKmode.
13635 * expr.c (expand_expr_unaligned): Add more code from full case
13636 that is needed when OP0 is in a register.
13638 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13640 * dwarfout.c (field_byte_offset): Size can be zero if there was
13643 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13645 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13646 (associate_trees): Delete unused var TEM.
13647 (extract_muldiv): Delete unused var CANCEL_P.
13649 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13650 (target_isinf, target_isnan, target_negative): Add return types to
13651 function definitions.
13653 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13655 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13656 * fixinc/hackshell.tpl: ditto
13657 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13658 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13660 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13662 * reload.c (push_reload): When looking for a register to put into
13663 reg_rtx, make sure all hard regs in a multi-reg register are in the
13664 right class and nonfixed.
13666 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13667 pending_read_insns, pending_write_insns, pending_read_mems,
13668 pending_write_mems, pending_list_length, last_pending_memory_flush,
13669 last_function_call, sched_before_next_call): Move static variables
13671 (bb_ prefixed versions): Replace with single array bb_deps.
13672 (struct deps): New structure.
13673 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13674 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13675 argument of type "struct deps *"; use that instead of global
13676 variables. All callers changed.
13677 (init_rgn_data_dependencies): Delete function.
13678 (init_rtx_vector): Delete function.
13679 (init_deps): New function.
13681 (free_pending_lists): Simplify, we always use the bb_deps array even
13682 if only one basic block.
13683 (compute_block_backward_dependences): Likewise.
13684 (schedule_region): Likewise.
13686 (propagate_deps): New function, broken out of
13687 compute_block_backward_dependences.
13688 (compute_block_backward_dependences): Use it.
13690 * alpha.md: Delete useless patterns that tried to work around
13691 register elimination problems.
13693 * unroll.c (loop_iterations): Don't abort if iteration variable
13696 From Joern Rennecke:
13697 * reload1.c (reloads_conflict): Reverse test comparing operand
13698 numbers when testing for conflict between output/outaddr reloads.
13700 1999-11-29 David S. Miller <davem@redhat.com>
13702 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13704 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13706 1999-11-28 Robert Lipe <robertl@cygnus.com>
13708 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13709 table from .fini into .dtor.
13711 1999-11-28 Anthony Green <green@cygnus.com>
13713 * tree.h (struct tree_decl): Add malloc_flag.
13714 (DECL_IS_MALLOC): Define.
13715 * c-common.c (attrs): Add A_MALLOC attribute.
13716 (init_attributes): Add this attribute to the table.
13717 (decl_attributes): Handle malloc attribute.
13718 * calls.c (special_function_p): Check for the malloc attribute.
13719 * extend.texi (Function Attributes): Document malloc attribute.
13721 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13723 * pa.md (reload shift-add patterns): Remove.
13725 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13727 * reorg.c (dbr_schedule) Print more statistics. Corrected
13728 problem when printing info when 3 delay slots are filled.
13730 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13732 * combine.c (setup_incoming_promotions): Pass an outgoing
13733 regno to FUNCTION_ARG_REGNO_P which it expects.
13735 1999-11-28 Andreas Jaeger <aj@suse.de>
13737 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13739 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13741 * cccp.c (do_include): Avoid initialization of automatic variable.
13743 * integrate.c (mark_stores): Function definition made void, to match
13744 previous declaration.
13745 * regclass.c (dump_regclass): Ditto.
13746 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13748 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13750 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13751 known to be multiple of divisor.
13753 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13755 * combine.c (try_combine): Add code to try to merge a set of a
13756 two-word pseudo to a constant with a setting of one of those words
13759 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13760 (split_tree): Completely rework to make more general.
13761 (make_range, fold): Call negate_expr.
13762 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13763 (fold, associate): Call new split_tree and associate_trees.
13764 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13766 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13768 * loop.c (try_copy_prop): Avoid GNU C extension.
13770 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13772 * except.c (init_eh_for_function): Still zero eh_return_context,
13773 eh_return_stack_adjust, and eh_return_handler.
13775 * except.h (eh_status): Adjust documentation for x_protect_list.
13776 (begin_protect_partials): New function.
13777 * except.c (enqueue_eh_entry): Fix formatting.
13778 (get_first_handler): Add consistency check.
13779 (add_partial_entry): Adjust usage of protect_list.
13780 (emit_cleanup_handler): Save and restore ehqueue.
13781 (expand_start_all_catch): Add comment.
13782 (begin_protect_partials): New function.
13783 (end_protect_partials): Adjust usage of protect_list.
13784 (init_eh_for_function): Use xcalloc.
13786 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13788 * c-common.c (check_format_info): Don't call a variadic function
13789 with a non-literal format string.
13791 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13793 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13794 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13797 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13800 * collect2.c (collect_wait): Likewise.
13802 * dbxout.c (dbxout_type): Likewise.
13804 * gcc.c (do_spec_1): Likewise.
13806 * genemit.c (gen_insn, gen_expand): Likewise.
13808 * genrecog.c (write_switch, write_subroutine): Likewise.
13810 * mips-tfile.c (catch_signal, botch): Likewise.
13812 * print-rtl.c (print_rtx): Likewise.
13814 * toplev.c (default_print_error_function, report_error_function,
13815 _fatal_insn): Likewise.
13817 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13819 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13821 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13823 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13824 operations when needed.
13825 * i386.md (fop_?f_comm): New.
13826 (fop_?f_1): Do not accept commutative operands.
13828 1999-11-25 Andreas Jaeger <aj@suse.de>
13830 * config/mips/mips.md (casesi_internal): Add missing brace.
13832 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
13834 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
13835 (splice_child_die): Handle moving a child DIE from the declaration
13836 DIE of a class to its specification.
13837 (gen_struct_or_union_type_die): Use 'complete' consistently.
13838 (gen_decl_die): Generate the virtual context DIE first.
13839 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
13841 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
13843 * config/mips/mips.md (call_value_multiple_interanal1): New.
13845 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
13847 * dwarf2out.c (free_AT, free_die): New fns.
13848 (remove_children): Call them.
13849 (output_line_info): Disable removal of duplicate notes.
13851 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
13852 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
13853 means pretend the type isn't defined.
13854 Don't defer emitting types.
13855 (gen_type_die_for_member): New fn.
13856 (gen_decl_die): Call it.
13857 (splice_child_die): New fn.
13858 (gen_member_die): Call it rather than generate duplicate dies.
13860 Defer emitting information for the abstract instance of an inline
13861 until we either inline it or emit an out-of-line copy.
13862 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
13863 from output_inline_function if DECL_ABSTRACT is also set.
13864 (block_ultimate_origin): Likewise.
13865 (gen_abstract_function): New fn.
13866 (gen_decl_die, gen_inlined_subroutine_die): Call it.
13867 (gen_subprogram_die): An abstract instance is not a declaration
13868 just because it doesn't match current_function_decl. Don't abort
13869 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
13870 has an abstract origin.
13871 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
13872 abstract instance here.
13874 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
13876 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
13877 where we need to reload fpul from a system register.
13879 1999-11-24 Andreas Jaeger <aj@suse.de>
13881 * config/mips/linux.h (CPP_PREDEFINES): Added.
13882 (LINK_SPEC): Remove -Y since this is only needed on sparc.
13884 1999-11-24 Andreas Jaeger <aj@suse.de>
13886 * config/mips/linux.h (TARGET_VERSION): Added.
13887 (HANDLE_SYSV_PRAGMA): Added.
13888 (DEFAULT_VTABLE_THUNKS): Added.
13890 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13892 * local-alloc.c (qty): New structure and static variable.
13893 (qty_phys_reg): Remove, all references changed to qty.
13894 (qty_n_refs): Likewise.
13895 (qty_min_class): Likewise.
13896 (qty_birth): Likewise.
13897 (qty_death): Likewise.
13898 (qty_size): Likewise.
13899 (qty_mode): Likewise.
13900 (qty_n_calls_crossed): Likewise.
13901 (qty_alternate_class): Likewise.
13902 (qty_changes_size): Likewise.
13903 (qty_first_reg): Likewise.
13904 (alloc_qty): Rename variable QTY to QTYNO.
13905 (finf_free_reg): Likewise.
13906 (local_alloc): Allocate qty, do not allocate the removed variables.
13908 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
13910 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
13911 when -membedded-pic is passed.
13913 * config/mips/mips.md (casesi): Handle 64-bit case too.
13914 (casesi_internal_di): New insn.
13916 * config/mips/mips.c (embedded_pic_offset): Always make the
13917 embedded-pic subtractions relative to the name of the current
13918 function by use of the magic string "..CURRENT_FUNCTION".
13919 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
13921 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
13923 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
13924 of (const_int 0), when what we really care about is
13925 whether it's a zero constant anyway.
13926 (div_trap_mips16): Likewise.
13928 1999-11-23 Mark Mitchell <mark@codesourcery.com>
13930 * loop.c (loop_optimize): Always find_loop_tree_blocks and
13931 unroll_block_trees when generating debuggable code.
13933 * tree.h (unsave_expr_1): New function.
13934 (lang_unsave): New variable.
13935 (get_callee_fndecl): New function.
13936 * tree.c (unsave_expr_now_r): New function.
13937 (lang_unsave): Define.
13938 (unsave_expr_1): Likewise.
13939 (unsave_expr_now_r): Split out from unsave_expr_now.
13940 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
13941 call unsave_expr_now_r.
13942 (get_callee_fndecl): Define.
13944 * Makefile.in (gencheck): Don't depend on lang_tree_files.
13945 (gencheck.o): Do depend on lang_tree_files.
13947 * integrate.h (copy_decl_for_inlining): New declaration.
13948 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
13949 (copy_decl_for_inlining): New function.
13950 (integrate_parm_decls): Use it.
13951 (integrate_decl_tree): Likewise.
13953 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
13955 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
13956 the second two from the first.
13957 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
13958 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
13959 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13961 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
13962 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13965 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
13967 * pa.md (call_internal_symref, call_value_internal_symref): No mode
13968 needed on the address operand.
13969 * pa.c (call_operand_address): Check for the correct mode.
13971 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
13973 * loop.c: Include "basic-block.h".
13974 (try_copy_prop, replace_loop_reg): New functions.
13975 (load_mems): Detect registers that just hold copies of the hoisted
13976 mem, and call try_copy_prop to eliminate them.
13977 * Makefile.in (loop.o): Update dependencies.
13979 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
13981 * Makefile.in (gencheck.o): Depend on gencheck.h.
13982 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
13983 (insn-peep.o): Depend on except.h and function.h.
13984 (insn-attrtab.o): Depend on RECOG_H.
13985 (insn-output.o): Depend on toplev.h and flags.h.
13986 (gengenrtl.o): Depend on real.h.
13987 (gen-protos.o): Depend on cpplib.h and cpphash.h.
13988 Unify all dependencies to be on RECOG_H rather than recog.h.
13990 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13992 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
13993 * configure.in: Try building a bi-arch 32/64-bit compiler on
13994 sparc-*-solaris2.7 and higher.
13995 * configure: Rebuild.
13997 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
13999 * config/freebsd.h: New, FreeBSD architecture independent file.
14000 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14001 independent pieces.
14002 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14003 directly by i386/freebsd.h.
14004 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14005 independent configuration file.
14006 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14007 directly by i386/freebsd.h.
14008 * configure: Rebuilt.
14010 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14011 which is in the user's namespace.
14012 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14013 `i386' which is not in our namespace.
14015 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14017 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14019 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14021 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14022 (add_dwarf_attr, add_child_die): Just push onto the front.
14023 (reverse_die_lists): New fn.
14024 (add_sibling_attributes): Use it.
14025 (push_decl_scope): Reorganize.
14026 (add_name_and_src_coords_attributes): Don't set file and line for
14027 an artificial decl.
14028 (gen_subprogram_die): An artificial function doesn't need to match
14030 (gen_compile_unit_die): Return the generated die. Only add
14031 AT_comp_dir if the filename is relative.
14032 (remove_AT): Simplify loop. Also free string values.
14033 (output_die): A DIE ref can't be null.
14034 (output_value_format, value_format): Take a dw_attr_ref.
14035 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14036 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14037 AT_addr, AT_lbl): New fns.
14038 (various): Use them.
14039 (various): Constify.
14041 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14043 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14044 take SUBREG_WORD into account.
14045 (if_then_else_cond): Likewise.
14047 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14049 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14050 clause from BSD license, pursuant with
14052 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14054 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14056 * loop.c (load_mems): Reformat slightly.
14057 * basic-block.h (regset_head): New typedef.
14058 (INIT_REG_SET): New macro.
14060 1999-11-22 Bruce Korb <autogen@linuxbox.com
14062 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14063 (mips-dec-bsd*): non-functional code
14064 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14066 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14067 added three replacement fixes
14068 (no_double_slash): removed comments that are not (any longer) pertinent
14069 (bad_lval): this fix currently runs against many files.
14070 The comment seems to indicate that we should select for files
14071 containing 'pragma extern_prefix'.
14073 * fixinc/fixinc.x86-linux-gnu: deleted
14074 * fixinc/inclhack.sh: regen
14075 * fixinc/fixincl.x: regen
14076 * fixinc/fixincl.sh: regen
14078 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14080 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14081 its code is INSN and it has no notes.
14083 1999-11-22 Andrew Haley <aph@cygnus.com>
14085 * varasm.c (function_defined): Remove.
14086 (make_function_rtl): Don't set function_defined.
14087 (make_decl_rtl): Remove global register warning.
14088 * regclass.c (no_global_reg_vars): New variable.
14089 (globalize_reg): Warn if function has already been defined.
14090 (regclass_init): Set no_global_reg_vars.
14092 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14094 * regclass.c (reg_pref): New structure and static variable
14095 (prefclass): Delete.
14096 (altclass): Delete.
14097 (all uses of prefclass and altclass): Use reg_pref instead.
14099 1999-11-21 Nick Clifton <nickc@cygnus.com>
14101 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14103 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14104 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14105 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14107 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14109 * varasm.c (output_constructor): Solve problem with long long
14110 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14112 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14114 * global.c (allocno): New structure and static variable.
14115 (allocno_reg): Remove, all references replaced by allocno.
14116 (allocno_size): Likewise.
14117 (hard_reg_conflicts): Likewise.
14118 (hard_reg_preferences): Likewise.
14119 (hard_reg_copy_preferences): Likewise.
14120 (hard_reg_full_preferences): Likewise.
14121 (regs_someone_prefers): Likewise.
14122 (allocno_calls_crossed): Likewise.
14123 (allocno_n_refs): Likewise.
14124 (allocno_live_length): Likewise.
14125 (find_reg): Rename ALLOCNO to NUM.
14127 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14128 references updated.
14129 (may_move_out_cost): New variable.
14130 (init_reg_sets_1): Initialize may_move_out_cost.
14131 (record_reg_classes): Use may_move_out_cost.
14133 * regclass.c (dump_regclass): New function.
14134 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14135 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14136 pass rtl_dump_file to regclass.
14137 * rtl.h (regclass): Update prototype.
14139 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14141 * i386.md (neg, not and abs patterns): Revmap to use
14142 ix86_expand_unary_operator and ix86_unary_operator_ok.
14143 (add?f and sub?f expanders): Force operand 1 to register.
14144 * i386.c (ix86_expand_unary_operator): Rewrite.
14145 (ix86_unary_operator_ok): Ensure that memory operands
14147 (ix86_binary_operator_ok): Do not allow operand 1 to
14148 come into memory and operand 0 not.
14149 (ix86_expand_binary_operator): Ensure that
14150 src1 is not non-matching memory.
14152 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14153 to support integer registers and memory.
14154 (abss?2_integer): Likewise.
14156 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14157 (REG_CLASS_NAMES): Likewise.
14158 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14160 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14161 (movsf): Likewise; unify 4th and 5th alternative.
14162 (pushdf): Likewise.
14163 (movdf_1): Likewise; rename to movdf_integer.
14164 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14165 remove redundant splitter.
14166 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14167 (movdf_nointeger): New.
14168 (movxf_nointeger): New.
14169 (pushxf_nointeger): New.
14171 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14172 memory operands in patterns.
14173 (fop*): Refuse two memory operands.
14175 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14176 on !TARGET_USE_CLTD CPUs.
14178 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14180 * extend.texi: Document C++ restricted pointers and references.
14182 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14184 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14185 (invalidate_skipped_set): Call it unconditionally.
14186 (cse_set_around_loop): Likewise.
14188 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14190 * rtl.texi (mem): Add documentation for alias-set argument
14193 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14195 * i386.h (struct_processor_costs): New fields int_load, int_store,
14196 fp_move, fp_load and fp_store
14197 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14199 (MEMORY_MOVE_COST): New macro.
14200 * i386.c (386_cost): Define new fields.
14201 (i486_cost): Likewise.
14202 (pentium_cost): Likewise.
14203 (pentiumpro_cost): Likewise.
14204 (k6_cost): Likewise.
14206 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14207 Geoffrey Keating <geoffk@cygnus.com>
14209 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14211 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14214 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14215 (TARGET_STRICT_ALIGNMENT): New macro.
14216 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14217 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14218 * invoke.texi (M680x0 Options): Document -mstrict-align.
14220 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14221 Richard Henderson <rth@cygnus.com>
14223 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14224 (ix86_split_long_move): Declare.
14225 * i386.c (split_xf, ix86_split_movdi): Remove.
14226 (ix86_split_to_parts, ix86_split_long_move): New.
14227 * i386.md (dimode move splitters): Use ix86_split_long_move.
14228 (dfmode move splitters): Likewise.
14229 (xfmode move splitters): Likewise.
14230 (movsf_1): Allow F->r.
14231 (movdf_1, movxf_1): Allow F->ro.
14233 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14235 * except.h (struct eh_entry): Add goto_entry_p.
14236 (eh_region_from_symbol): Remove prototype.
14237 * except.c (find_func_region_from_symbol): New function.
14238 (emit_cleanup_handler): Likewise.
14239 (eh_region_from_symbol): Make it static.
14240 (add_new_handler): Verify the argument.
14241 (find_func_region): Update comment.
14242 (expand_eh_region_end): Expand handlers here, rater than waiting
14243 until expand_leftover_cleanups or start_all_catch.
14244 (expand_leftover_cleanups): Don't expand here.
14245 (expand_start_all_catch): Or here.
14246 (expand_rethrow): Check the return value from find_func_region.
14247 * function.c (expand_function_end): Emit the catch_clauses.
14249 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14251 * integrate.c (expand_inline_function): Add necessary check for NULL.
14253 1999-11-18 Nick Clifton <nickc@cygnus.com>
14255 * toplev.c (main): Correctly detect an unrecognised option.
14257 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14258 a -f option if it has not been recognised.
14260 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14262 * basic-block.h (update_life_extent): Remove trailing comma on
14263 enumeration type list.
14265 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14267 * varasm.c (output_constructor) Solved problem with long long
14268 bitfields. Corrected calculating this_time and shift. Also
14269 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14271 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14273 * flow.c (split_edge): Take looping structure into account when
14274 determining where to put the new block note.
14276 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14278 * Makefile.in (ggc-none.o): Provide host specific version if
14281 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14283 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14284 containing subregs too.
14286 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14288 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14289 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14290 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14291 (text_section): Add switches -munint-const-in-rodata and
14292 -mno-uninit-const-in-rodata.
14293 (ASM_OUTPUT_COMMON): Remove.
14294 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14295 const objects should be placed in read-only data. Otherwise declare
14298 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14300 * jump.c (jump_optimize_1): Revert last change.
14302 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14304 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14305 test if optimizing for size.
14307 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14309 * Makefile.in (toplev.o): Depend on except.h.
14310 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14312 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14314 * i386.md (divmodsi4): Rewrite to expander.
14315 (*divmodsi4_nocltd): New.
14316 (*divmodsi4_cltd): New.
14317 (divmodsi4 splitter): Handle the case when input comes in edx.
14318 (udivmodhi4): Do not use constraints in exander.
14319 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14321 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14323 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14324 for the common case.
14326 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14328 * explow.c (hard_function_value): Add outgoing argument.
14329 * expr.h (hard_function_value): Declare it.
14330 * calls.c (expand_call, emit_library_call_value): Update callers.
14331 * function.c (aggregate_value_p): Ditto.
14332 (diddle_return_value): Must look at the outgoing registers
14333 on archs with register windows.
14335 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14337 * alpha.c (alpha_build_va_list): Use make_lang_type and
14338 initialize TYPE_NAME for the va_list record.
14340 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14342 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14344 * ggc.h (struct ggc_statistics): Rearrange elements for better
14345 packing on 64-bit hosts.
14346 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14347 (compute_nearerout): Likewise.
14349 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14351 * config/rs6000/rs6000.c (first_reg_to_save): Save
14352 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14354 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14356 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14357 notion of nesting to find the DIE for a type or function.
14358 DIEs can go in limbo even if we got a context_die.
14359 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14360 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14362 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14363 (gen_type_die): Writing out the context doesn't cause member class
14364 template instantiations to be written out as well.
14366 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14368 * rs6000.h (ASM_OUTPUT_DEF): New.
14369 Based on proposed addition from David Edelsohn.
14371 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14372 Bruce Korb <autogen@linuxbox.com>
14374 * fixinc/inclhack.def
14375 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14376 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14378 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14379 (svr4_endian): enabled with SVR5
14380 (svr4_mkdev): simplified syntax and enabled with SVR5
14382 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14384 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14385 * configure: Rebuilt.
14386 * config/t-freebsd-thread: New file.
14388 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14390 * i386.c (ix86_decompose_address): Verify the base is a REG
14391 before trying to examine its register number.
14393 * basic-block.h: Remove all #defines and prototypes related to
14395 (free_bb_mem, compute_preds_succs): Remove prototype.
14396 * rtl.h (free_bb_mem): Remove prototype.
14397 * flow.c (alloc_int_list_node); Remove function.
14398 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14399 (compute_preds_succs, free_bb_mem): Likewise.
14400 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14401 * toplev.c (rest_of_compilation): Likewise.
14402 * haifa-sched.c (build_control_flow): Use flow generated edge
14403 list to build the haifa specific edge list.
14404 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14405 (schedule_insns): Do not build pred/succ lists anymore. Instead
14406 build the edge table.
14408 * basic-block.h (dump_bb_data): Remove declaration.
14409 * flow.c (dump_bb_data): Remove function.
14410 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14411 (sbitmap_union_of_predsucc): Likewise.
14413 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14414 argument. All callers changed.
14415 (delete_null_pointer_checks_1): No longer need to compute the
14418 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14419 All callers changed.
14420 (pre_expr_reaches_here_p_work): Likewise.
14421 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14422 * lcm.c (compute_laterin): Fix initialization of LATER.
14423 (compute_nearerout): Similarly for NEARER.
14425 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14427 * cse.c (set_nonvarying_address_components): Delete unused function.
14428 (refers_to_p): Likewise.
14430 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14432 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14435 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14437 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14438 definition in do while (0).
14440 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14442 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14444 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14446 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14448 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14450 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14451 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14452 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14453 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14455 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14456 saved on the stack. Output more accurate stack frame statistics
14457 into assembler file.
14459 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14461 * genextract.c (record_insn_name): New function.
14462 (get_insn_name): No longer a stub.
14463 (main): Call record_insn_name for each insn. After each label
14464 written, print the insn name in a comment.
14466 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14468 * output.h (const_section, init_section, fini_section): Add
14471 * alpha/elf.h (const_section): Delete declaration.
14473 * svr4.h (const_section): Likewise.
14475 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14477 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14478 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14479 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14481 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14482 variable-sized array bounds.
14484 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14486 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14489 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14491 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14492 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14494 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14496 * cse.c (hash_arg_in_struct): Delete.
14497 (struct table_elt): Delete elt in_struct.
14498 (struct set): Delete elt src_in_struct.
14499 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14500 the corresponding in_struct elts.
14501 (canon_hash): Likewise.
14502 (safe_hash): Likewise.
14503 (find_best_addr): Likewise.
14504 (record_jump_cond): Likewise.
14505 (cse_insn): Likewise.
14507 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14509 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14511 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14514 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14516 * function.c (diddle_return_value): Put back check that the DECL_RTL
14517 for the function is a register.
14519 * function.c (diddle_return_value): Use hard_function_value to
14520 get an rtx suitable for use in the USE/CLOBBER insn.
14522 * global.c (global_conflicts): Update comments.
14523 (record_conflicts): No need to record conflicts between pseudos here.
14525 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14527 * fixinc/fixincl.c: Added verbose levels for status messages
14529 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14531 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14532 operand as argument to expand_and or expand_binop.
14534 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14536 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14537 gcc_add_string_root.
14539 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14541 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14543 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14545 * flow.c (compute_flow_dominators): Initially put all blocks on
14547 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14548 * gcse.c (compute_cprop_avinout): Remove.
14549 (compute_cprop_data): Use compute_available.
14550 (delete_null_pointer_checks_1): Use compute_available.
14552 * basic-block.h (compute_available): Returns a void now.
14553 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14554 to return a value anymore.
14555 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14556 worklists. Fix boundary cases. Compute maximal solutions.
14557 (compute_laterin, compute_nearerout): Similarly.
14559 * dwarf2out.c (add_AT_location_description): Allow
14560 (mem (plus (pseudo) (...)) too.
14562 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14564 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14566 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14567 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14569 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14571 * gansidecl.h: Likewise.
14577 * toplev.h: Likewise.
14579 * tree.c: Likewise.
14581 * tree.h: Likewise.
14583 * varray.c: Likewise.
14585 * varray.h: Likewise.
14587 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14589 * gcov.c (struct arcdata): Add hits and total, remove prob.
14590 (output_branch_counts): New.
14591 (process_args): Set output_branch_counts if -c.
14592 (calculate_branch_probs): Store hits and total instead of
14594 (output_data): Emit counts if output_branch_counts is true.
14595 * gcov.texi (Invoking Gcov): Document -c switch..
14597 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14599 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14600 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14602 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14604 * invoke.texi (C Dialect Options): Add missing builtins from
14605 c-common.c to list.
14606 * extend.texi (Other Builtins): Copy to this list.
14608 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14610 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14611 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14612 redundant bitmap.h.
14614 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14616 * flow.c (compute_flow_dominators): No longer treat basic block 0
14617 or (n_basic_blocks - 1) specially. Clear the AUX field before
14618 starting computation of doms/pdoms. Fix initial state for pdoms.
14620 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14622 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14623 match rtl.o's: added ggc.h and toplev.h
14624 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14625 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14626 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14628 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14630 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14631 from HAVE_DOS_BASED_FILESYSTEM.
14632 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14633 HAVE_DOS_BASED_FILESYSTEM.
14635 (split_directories): Only special-case DOS file names if
14636 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14637 instead of explicit tests. Conditionalize on !VMS.
14638 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14639 tests. Conditionalize on !VMS.
14640 (process_command): Only use make_relative_prefix if !VMS.
14641 (free_split_directories): Conditionalize on !VMS.
14642 (DIR_UP): Conditionalize on !VMS.
14644 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14646 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14648 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14650 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14653 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14655 * invoke.texi (Environment Variables): Document relative path
14657 * gcc.c (DIR_UP): If not defined, define as "..".
14658 (standard_bindir_prefix): New static, holds target location to
14660 (split_directories): New function to split a filename into
14661 component directories.
14662 (free_split_directories): New function, release memory allocated
14663 by split_directories.
14664 (make_relative_prefix): New function, make a relative pathname if
14665 the compiler is not in the expected location.
14666 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14667 can figure out an appropriate prefix from argv[0].
14668 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14669 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14670 STANDARD_BINDIR_PREFIX.
14672 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14674 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14676 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14677 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14678 c4x_secondary_memory_needed) Delete.
14679 (fp_zero_operand): Add mode argument.
14681 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14683 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14684 that is in reload_reg_used.
14686 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14688 * config/arm/arm-protos.h: New file: Prototypes for functions
14689 defined in arm.c and pe.c.
14690 * config/arm/arm.h: Fix compile time warnings.
14691 * config/arm/arm.c: Fix compile time warnings.
14692 * config/arm/pe.h: Fix compile time warnings.
14693 * config/arm/aout.h: Fix compile time warnings.
14695 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14697 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14700 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14701 Add support for subtargets.
14702 Add prototypes for new predicates.
14703 Add scheduling macros.
14705 * config/m32r/m32r.c: Fix compile time warnings.
14706 (int8_operand): New predicate function.
14707 (reg_or_cmp_int16_operand): New predicate function.
14708 (extend_operand): New predicate function.
14709 (m32r_adjust_code): New scheduling function.
14710 (m32r_adjust_priorty): New scheduling function.
14711 (m32r_sched_init): New scheduling function.
14712 (m32r_sched_reorder): New scheduling function.
14713 (m32r_sched_variable_issue): New scheduling function.
14714 (direct_return): New codegen function.
14715 (m32r_not_same_reg): New rtl testsing function.
14717 * config/m32r/m32r.md: Fix compile time warnings.
14718 Add support for pre decrement and post increment memory
14720 Add S<cc> patterns.
14723 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14725 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14726 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14727 (find_reg): Likewise.
14729 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14731 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14732 to avoid assembler errors.
14734 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14736 * config/v850/v850-protos.h: New file: Prototypes for functions
14738 * config/v850/v850.h: Move prototypes to v850-protos.h
14739 * config/v850/v850.c: Move prototypes to v850-protos.h
14740 * config/v850/v850.md: Fix compile time warnings.
14742 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14744 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14745 * config/fr30/fr30.c: Fix compile time warnings.
14746 * config/fr30/fr30.md: Fix compile time warnings.
14748 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14750 * tree.h (get_containing_scope): Declare it.
14751 * tree.c (get_containing_scope): New fucntion.
14752 (decl_function_context): Use it.
14753 * toplev.c (rest_of_compilation): Use get_containing_scope.
14755 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14757 * Makefile.in (rtl.o): Depend on toplev.h.
14759 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14761 * cse.c (delete_trivially_dead_insns): Replace alloca with
14763 * except.c (update_rethrow_references): Likewise.
14764 (init_eh_nesting_info): Likewise.
14765 * function.c (identify_blocks): Likewise.
14766 * gcse.c (dump_hash_table): Likewise.
14767 * graph.c (print_rtl_graph_with_bb): Likewise.
14768 * loop.c (combine_movables): Likewise.
14769 (move_movables): Likewise.
14770 (count_loop_regs_set): Likewise.
14771 (strength_reduce): Likewise.
14772 * profile.c (compute_branch_probabilities): New function, split
14774 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14775 * regclass.c (regclass): Likewise.
14776 * regmove.c (regmove_optimize): Likewise.
14777 * toplev.c (compile_file): Likewise.
14778 (main): Don't mess with the stack rlimit.
14780 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14782 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14783 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14785 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14787 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14789 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14791 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14792 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14795 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14797 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14799 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14801 * gcse.c (post_dominators): Kill.
14802 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14803 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14804 pass in a pdom array since we do not need pdoms.
14805 * haifa-sched.c (schedule_insns): Similarly.
14806 * flow.c (compute_dominators): Remove dead function.
14807 (compute_flow_dominators): Do not compute doms or pdoms if the
14808 caller does not request them. Split up loop to build doms and
14809 pdoms. Use a worklist to compute doms and pdoms.
14810 * basic-block.h (compute_dominators): Remove prototype.
14812 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14814 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14815 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14816 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14817 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14818 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14819 (schedule_region): Remove unused variable.
14820 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14822 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14824 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14825 (update_equiv_regs): Likewise.
14826 (block_alloc): Likewise.
14827 * reg-stack.c (reg_to_stack): Likewise.
14828 (convert_regs_2): Likewise.
14829 * reload1.c (reload_as_needed): Likewise.
14831 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
14833 * Makefile.in (dbxout.o): Depend on ggc.h.
14834 (dwarf2out.o): Likewise.
14835 (xcoffout.o): Likewise.
14836 * dbxout.c: Include ggc.h.
14837 (dbxout_init): Register lastfile as a root.
14838 * dwarf2out.c: Include ggc.h.
14839 (dwarf2out_line): Register lastfile as a root.
14840 * xcoffout.c: Include ggc.h.
14841 (xcoffout_source_line): Register xcoff_lastfile as a root.
14843 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
14845 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
14847 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
14849 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
14851 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14853 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14855 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
14856 (EXECUTE_IF_CONFLICT): Likewise.
14857 (ALLOCNO_LIVE_P): Avoid signed division.
14858 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
14859 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
14860 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
14862 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
14864 * haifa-sched.c (schedule_block): Don't crash if there's no
14865 next insn for an interblock movement.
14866 (add_branch_dependences): Don't allow clobber insns to move either.
14868 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
14870 * i386.c (split_xf): New.
14871 * i386-protos.h: Declare it.
14872 * i386.md (movxf_1): Add general regs alternatives.
14873 (movxf_1+1): New splitter for same.
14875 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
14877 * function.c (purge_addressof_1): Add missing return values.
14879 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
14881 * function.c (is_addressof): New function. Returns true if
14882 the given piece of RTL is an ADDRESSOF.
14883 (purge_addressof_1): Make boolean. Return false if the
14884 ADDRESSOFs could not be purged.
14885 (purge_addressof): If ADDRESSOFs could not be purged from the
14886 notes attached to an insn, remove the offending note(s),
14887 unless they are attached to a libcall.
14889 1999-11-05 Andreas Jaeger <aj@suse.de>
14891 * genoutput.c (null_operand =): Initialize all fields.
14893 * errors.h: Add extern to prototypes.
14895 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
14897 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
14898 * configure: Rebuilt.
14900 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14902 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
14903 (mirror_conflicts): New function.
14904 (global_alloc): Call it.
14905 (expand_preferences): Remove redundant CONFLICTP test.
14906 (find_reg, dump_conflicts): Likewise.
14907 (prune_preferences): Process conflicts one word at a time.
14909 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
14911 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
14912 instead of an explicit loop.
14914 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
14916 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
14917 if REG_RETVAL check succeeds, then put classp in src_elt.
14919 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
14921 * function.c (pad_to_arg_alignment): Only update argument_pad
14922 if the argument's alignment is greater than STACK_BOUNDARY.
14924 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
14926 * bitmap.h (BITMAP_XFREE): New.
14927 * flow.c (life_analysis): Use it.
14928 (life_analysis_1): Free blocks.
14930 * combine.c (undo_commit): New.
14931 (try_combine): Use it. Don't zap undobuf.undos.
14932 (combine_instructions): Don't zap undobuf.undos; free the
14933 undobuf.frees list.
14935 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
14937 * stmt.c (cost_table_): New.
14938 (estimate_case_costs): Use it instead of xmalloc.
14940 * toplev.c (compile_file): Reuse dumpname memory instead
14943 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
14945 * reg-stack.c (convert_regs_1): Initialize target_stack->top
14946 after verifying an EH edge.
14948 * haifa-sched.c (init_rgn_data_dependences): Correctly
14949 size bb_pending_lists_length when zeroing.
14951 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
14953 * function.c (diddle_return_value): New.
14954 (expand_function_end): Use it.
14955 * stmt.c (expand_null_return): Likewise.
14956 (expand_value_return): Likewise.
14958 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
14960 * reload1.c (reload): Don't remove return value clobbers.
14962 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
14964 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
14966 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
14968 * cse.c (cse_main): Use xmalloc, not alloca.
14969 (cse_basic_block): Likewise.
14970 * local-alloc.c (local_alloc): Likewise.
14972 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
14973 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14975 * rtl.c: Include toplev.h.
14976 (fatal): Remove declaration.
14978 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
14980 * haifa-sched.c (schedule_block): Fix thinko.
14982 1999-11-03 James McKelvey <mckelvey@fafnir.com>
14984 * fixinc/fixincl.c(create_file): Allow for systems that do not have
14985 S_IR* defined values
14987 1999-11-03 Philippe De Muyter <phdm@macqel.be>
14989 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
14990 call `malloc' instead.
14992 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
14994 * flags.h (flag_renumber_insns): Declare.
14995 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
14997 * rtl.h (renumber_insns): Change prototype.
14998 * toplev.c (flag_renumber_insns): Define.
14999 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15001 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15003 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15004 and fpsqrtd. Use them and create fdiv function unit to more
15005 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15006 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15008 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15010 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15012 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15013 insn into ready list, do not use just a raw swap.
15015 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15017 * rtl.h (renumber_insns): New function.
15018 (remove_unnecessary_notes): Likewise.
15019 * emit-rtl.c (renumber_insns): Define.
15020 (remove_unncessary_notes): Likewise.
15021 * toplev.c (rest_of_compilation): Remove dead code.
15022 Use renumber_insns and remove_unncessary_notes.
15024 * gcse.c (struct null_pointer_info): New type.
15025 (get_bitmap_width): New function.
15026 (current_block): Remove.
15027 (nonnull_local): Likewise.
15028 (nonnull_killed): Likewise.
15029 (invalidate_nonnull_info): Take a null_pointer_info as input.
15030 (delete_null_pointer_checks_1): New function.
15031 (delete_null_pointer_checks): Use it.
15033 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15034 (split_edges): Likewise.
15035 (schedule_block): Likewise.
15036 (compute_block_backward_dependencies): Likewise.
15037 (schedule_region): Likewise.
15038 (schedule_insns): Likewise.
15040 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15042 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15043 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15044 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15045 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15046 * jump.c (delete_unreferenced_labels): Don't delete if
15047 LABEL_ALTERNATE_NAME is set.
15048 * print-rtl.c (print_rtx): Dump alternate name.
15049 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15050 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15051 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15052 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15054 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15056 * fix-header.c (recognized_extern, recognized_function): Constify
15059 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15060 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15061 (compute_available): Remove unused variable `last'.
15062 (compute_nearerout): Remove unused variable `temp_bitmap'.
15063 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15064 Remove unused variable `x'.
15066 * scan.h (recognized_function, recognized_extern): Constify a
15069 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15071 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15073 * varasm.c (decode_rtx_const): Use XSTR to access the string
15076 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15078 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15080 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15082 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15084 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15086 * pa.c (ireg_operand): New function.
15087 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15088 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15089 Fix out of date comment.
15091 * pa.md (negdi2): Turn into expander + anonymous pattern.
15093 * reload.c (find_reloads): Fix typos in recent change.
15095 * dwarf2out.c: Do not include ctype.h.
15097 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15099 * regclass.c (record_reg_classes): Always use may_move_cost when
15100 seeing how operand fits with various register classes.
15102 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15104 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15105 * toplev.c: Revert Nov 1 13:22 change.
15107 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15109 * config/pa/pa.md (height reduction patterns): Add checks for
15110 overlapping operands to avoid semantic-destroying splits for
15111 height reduction patterns.
15113 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15115 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15116 have been an hyphen, fixed.
15117 * configure: Rebuilt.
15119 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15121 * config/arm/tpe.h: Add prototypes for exported functions.
15122 * config/arm/pe.c: Fix compile time warnings.
15123 * config/arm/semi.h: Fix compile time warnings.
15124 * config/arm/arm.c: Fix compile time warnings.
15125 * config/arm/arm.h: Fix compile time warnings.
15126 * config/arm/arm.md: Fix compile time warnings.
15127 * config/arm/thumb.c: Fix compile time warnings.
15128 * config/arm/thumb.h: Fix compile time warnings.
15129 * config/arm/thumb.md: Fix compile time warnings.
15131 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15133 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15136 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15137 completely unrolled.
15139 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15141 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15143 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15145 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15146 * rtl.h (rtx_equal_p): Move prototype.
15147 * rtl.c (rtx_equal_function_value_matters): Move from
15149 (rtx_equal_p): Likewise.
15150 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15151 (rtx_equal_p): Likewise.
15153 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15155 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15156 ! HAS_INIT_SECTION.
15158 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15160 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15162 * pa.h (ADDR_VEC_ALIGN): Define.
15164 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15165 notes when presented with "if (foo) break; end_of_loop" and
15166 the break sequence gets moved out of the loop.
15168 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15169 Remove explicit zero initializations of entries within MAP.
15171 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15173 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15175 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15177 * bitmap.h (BITMAP_XMALLOC): New macro.
15178 * flow.c (CLEAN_ALLOCA): Remove.
15179 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15180 (life_analysis): Likewise.
15181 (update_life_info): Don't use CLEAN_ALLOCA.
15182 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15183 (calculate_global_regs_live): Likewise.
15184 (print_rtl_with_bb): Likewise.
15185 (verify_flow_info): Likewise.
15186 * global.c (global_alloc): Likewise.
15187 (global_conflicts): Likewise.
15188 * integrate.c (save_for_inline_nocopy): Likewise.
15189 (expand_inline_function): Likewise.
15190 * jump.c (jump_optimize_1): Likewise.
15191 (duplicate_loop_exit_test): Likewise.
15192 (thread_jumps): Likewise.
15193 * loop.c (loop_optimize): Likewise.
15194 (combine_givs): Likewise.
15195 (recombine_givs): Likewise.
15196 * reorg.c (dbr_schedule): Likewise.
15197 * unroll.c (unroll_loop): Likewise.
15199 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15201 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15203 * toplev.c (rest_of_compilation): Don't optimize the CFG
15204 when rebuilding, just before dbr.
15206 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15208 * output.h (assemble_end_function, assemble_destructor,
15209 assemble_constructor, assemble_gc_entry, assemble_global,
15210 assemble_label, output_constant_pool) Constify a char*.
15212 * varasm.c (assemble_destructor, assemble_constructor,
15213 assemble_gc_entry, assemble_end_function, assemble_global,
15214 assemble_label, output_constant_pool): Likewise.
15216 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15218 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15219 explaining what is goin on in this function.
15221 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15223 * regclass.c (record_reg_classes): In matching case, recompute
15224 costs since the direction of movement is different.
15226 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15228 * resource.c (mark_target_live_regs): For unconditional branches,
15229 the resources found at the branch target should be added to the
15230 resources found so far, not intersected.
15232 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15234 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15236 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15237 (sys/mman.h): Include this file only if #HAVE_MMAP.
15238 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15239 with automatically concatenated ANSI strings.
15241 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15243 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15244 (DIV_ROUND_UP): Robustify.
15245 (ggc_recalculate_in_use_p): New function.
15246 (release_pages): Don't inline it.
15247 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15249 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15250 (clear_marks): Always save in_use_p.
15251 (sweep_pages): Use ggc_recalculate_in_use_p.
15252 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15253 Release pages before counting statistics.
15255 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15257 * toplev.c (rest_of_compilation): Fix thinko in this change:
15259 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15261 (rest_of_compilation): If inside an inlined external function,
15262 pretend we are just being declared.
15264 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15266 * flow.c (calculate_global_regs_live): Fix thinko.
15268 * integrate.c (expand_inline_function): Fix bugs in previous
15269 change from Oct 28, 1999.
15271 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15273 * stmt.c (expand_value_return): Fix typo in this change:
15275 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15276 (expand_value_return): Correctly convert VAL when promoting function
15277 return; support RETURN_REG being a PARALLEL.
15279 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15281 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15283 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15285 * hard-reg-set.h (reg_names): Constify a char*.
15287 * regclass.c (reg_names): Likewise.
15289 * regs.h (reg_names): Likewise
15291 * a29k/a29k.c (reg_names): Delete declaration.
15293 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15295 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15296 arc_output_function_epilogue): Likewise.
15298 * elxsi/elxsi.c (reg_names): Likewise.
15300 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15302 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15305 * m88k/m88k.c (output_function_profiler): Likewise.
15307 * sparc/sparc.c (sparc_flat_output_function_prologue,
15308 sparc_flat_output_function_epilogue): Likewise.
15310 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15312 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15313 warning from -Wuninitialized and put it under -W.
15314 * function.c (uninitialized_vars_warning): Warn only when the
15315 corresponding flag is set.
15317 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15319 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15320 is nonzero and the single set does not have an elt, then assign
15323 * simplify-rtx.c: New file.
15324 * Makefile.in (OBJS): Add simplify-rtx.o
15325 (simplify-rtx.o): Add dependencies.
15326 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15327 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15328 (cse_gen_binary, simplify_unary_operation): Delete.
15329 (simplify_binary_operation, simplify_plus_minus): Likewise.
15330 (check_fold_consts, simplify_relation_operation): Likewise.
15331 (simplify_ternary_operation): Likewise.
15332 (delete_trivially_dead_insns): Simplify the contents of the
15333 REG_EQUAL note before trying to substitute it into the source
15334 of the reg-reg copy at the end of a libcall sequence.
15336 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15337 references/callers changed.
15339 * mn10200.c (mn10200_va_arg): Force the return value into a
15342 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15344 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15347 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15349 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15351 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15353 * fold-const.c (fold): Fix thinko when optimizing comparisons
15356 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15358 * gcc.texi (Passes): Update front-end files to their current
15361 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15363 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15364 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15365 (PREDICATE_CODES): Add addition_operation.
15366 * alpha-protos.h (addition_operation): Declare.
15367 (secondary_reload_class): Likewise.
15368 * alpha.c (addition_operation): New.
15369 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15370 * alpha.md (adddi3): Turn into expander.
15371 (*lda, *adddi_2): New.
15372 (movsf, movdf patterns): Don't preference integer regs.
15373 (movsi, movdi patterns): Don't preference fp regs.
15375 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15377 * genrecog.c (write_switch): Check for duplicate CODE cases.
15379 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15381 * ggc-common.c: Update pre-function commentary.
15382 * ggc-page.c: Likewise.
15384 (poison_pages): Use memset directly.
15385 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15386 (ggc_collect): Poison before sweeping.
15387 * ggc-simple.c: Update pre-function commentary.
15388 (ggc_alloc_obj): Poison non-zeroed memory.
15390 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15392 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15393 match format string, even on 64-bit hosts.
15394 * gcc-page.c (ggc_page_print_statistics): Likewise.
15396 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15398 * config/i386/i386.c (ix86_cpu): Revert last patch.
15399 * config/i386/i386.h (ix86_cpu): Ditto.
15401 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15403 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15404 TYPE_SIZE, convert type of result to sizetype.
15406 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15408 * flow.c (count_or_remove_death_notes): Equate NULL with the
15411 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15412 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15415 * i386.c (pic_label_no): Delete.
15416 (ix86_attr_length_default): Don't use single_set to peek
15419 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15420 the first insn after bb->end.
15421 * i386.md (push mem peeps): Scratch is live after evaluation
15423 (cmp mem peep): Similarly.
15425 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15427 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15428 * function.c (pad_to_arg_alignment): Add missing braces.
15430 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15432 * alpha/alpha-protos.h (literal_section): Add prototype.
15433 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15436 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15438 (alpha_start_function, alpha_end_function, float_strings,
15439 alpha_need_linkage): Constify a char*
15441 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15443 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15445 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15447 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15449 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15451 * flow.c (debug_flow_info): Add prototype.
15453 * gcc.c (main): Likewise.
15455 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15458 * reload1.c (failed_reload, set_reload_reg): Likewise.
15460 * mips-tfile.c (main): Likewise.
15461 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15462 with ATTRIBUTE_NORETURN.
15464 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15466 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15467 DECL is not a memory ref.
15469 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15471 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15472 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15474 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15476 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15477 * config/mips/elf64.h: ditto.
15479 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15481 * expr.c (emit_push_insn): New argument alignment_pad.
15482 Update all callers. Adjust stack pointer based on alignment pad.
15483 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15484 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15485 (locate_and_pad_parm): New argument alignment_pad. Update all
15487 * expr.h (emit_push_insn): Update prototype.
15488 (locate_and_pad_parm): Update prototype.
15489 * calls.c (arg_data): Add new field alignment_pad.
15490 (initialize_argument_information): Initialize alignment_pad.
15492 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15494 * except.c (free_eh_nesting_info): Free the info itself.
15495 * function.c (free_after_compilation): Don't free NULL.
15496 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15497 (pre_edge_insert): Free inserted.
15498 * stmt.c (free_stmt_status): Don't free NULL.
15500 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15502 * gcov.c (DIR_SEPARATOR): Provide default.
15503 (output_data): Add test for MS-DOS format absolute filename.
15504 (fancy_abort): Correct program name.
15505 (open_files): Open all files in binary mode.
15506 * libgcc2.c (__bb_exit_func): Likewise.
15508 * profile.c (init_branch_prob): Specify binary when opening files.
15510 * flags.h (flag_unwind_tables): New decl.
15511 * toplev.c (flag_unwind_table): New definition.
15512 (f_options): Add -funwind-tables.
15513 (decode_g_option): Clarify warning when unknown -g option is given.
15514 (rest_of_compilation): If inside an inlined external function,
15515 pretend we are just being declared.
15517 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15518 (dwarf2out_frame_finish): Likewise.
15520 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15522 * fold-const.c (merge_ranges): If not in0, but in1, handle
15523 upper bounds equal like subset case.
15525 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15527 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15528 passed in a register but moved to the stack.
15530 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15532 * gcc.c (pass_exit_codes, greatest_status): New variables.
15533 (struct option_map): Add entry for "--pass-exit-codes".
15534 (execute): Update greatest_status if error.
15535 (display_help): Add documentation for -pass-exit-codes.
15536 (process_command): Handle -pass-exit-codes.
15537 (main): Look at pass_exit_codes and greatest_status on call to exit.
15539 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15541 * reload.c (find_reloads): Refine test for no input reload
15542 case to not includes reloads emitted after insn.
15544 * function.c (find_temp_slots_from_address): Handle sum involving
15545 a register that points to a temp slot.
15546 (update_temp_slot_address): Make recursive call if both old and
15547 new are PLUS with a common operand.
15548 * calls.c (expand_call): Mark temp slot for result as having
15551 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15553 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15554 component as well as "BINUTILS".
15556 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15557 * integrate.c (copy_rtx_and_substitute): Likewise.
15558 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15559 All callers changed.
15560 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15562 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15563 gdb extensions, write size of type; also be more consistent
15564 in using references when this is a subtype.
15566 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15567 that is out of range.
15569 * loop.c (unknown_constant_address_altered): New variable.
15570 (prescan_loop): Initialize it.
15571 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15572 (invariant_p, case MEM): Remove handling for volatile and readonly;
15573 check new variable if readonly.
15574 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15576 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15577 (addr_affects_sp_p): Removed from note_mem_written and only
15578 define #ifdef AUTO_INC_DEC.
15580 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15582 * regclass.c (record_reg_classes): Properly handle register move
15585 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15586 Don't think valid if both operands are invalid.
15587 (struct constant_descriptor): New field RTL.
15588 (mark_const_hash_entry): Mark it.
15589 (record_constant{,_rtx}): Initialize it.
15590 (output_constant_def): Allocate RTL in permanent obstack and
15592 ({record,compare}_constant_1): Modes must match for
15593 CONSTRUCTOR of ARRAY_TYPE.
15595 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15596 * output.h (initializer_constant_valid_p): Move decl to here.
15597 * c-common.c (initializer_constant_valid_p): Delete function from here.
15598 * varasm.c (initializer_constant_valid_p): Move function to here.
15600 * tree.h (STRIP_SIGN_NOPS): New macro.
15601 * fold-const.c (optimize_minmax_comparison): New function.
15602 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15603 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15604 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15605 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15606 widening conversions.
15607 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15608 to look at size of mode, not precision of type; also add missing cases.
15609 (optimize_bit_field_compare, decode_field_reference): Don't try to
15610 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15612 * dwarf2out.c (ctype.h): Include.
15613 (dwarf2out_set_demangle_name_func): New function.
15614 (size_of_line_info): Deleted.
15615 (output_line_info): Compute size of line info table from difference
15617 (base_type_die, add_name_attribute): Call demangle function, if any.
15618 (field_byte_offset): Use bits per word for variable length fields.
15619 (gen_array_type_die): Add array name.
15620 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15621 (dwarf2out_add_library_unit_info): New function.
15623 * explow.c (set_stack_check_libfunc): New function.
15624 (stack_check_libfunc): New static variable.
15625 (probe_stack_range): Allow front-end to set up a libfunc to call.
15627 * combine.c (simplify_comparison): When making comparison in wider
15628 mode, check for having commuted an AND and a SUBREG.
15629 (contains_muldiv): New function.
15630 (try_combine): Call it when dividing a PARALLEL.
15631 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15632 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15634 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15635 use one of the CLOBBERs instead.
15636 (if_then_else_cond): If comparing against zero, just return thing
15639 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15640 Don't generate shifts and subtract if have conditional arithmetic.
15642 * rtl.h (delete_barrier): New declaration.
15643 * jump.c (jump_optimize): Set up to handle conditional call.
15644 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15645 (delete_barrier): New function.
15647 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15649 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15651 * tree.c (build_type_attribute_variant): Push to obstack of
15652 ttype around type_hash_canon call.
15654 * expr.c (placeholder_list): Move decl to file scope.
15655 (expand_expr): Don't force access to volatile just because its
15657 If ignoring reference operations, just expand the operands.
15658 (expand_expr, case COMPONENT_REF): Propagate
15659 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15660 Refine test for using bitfield operations vs pointer punning.
15661 (expand_expr, case CONVERT_EXPR): If converting to
15662 BLKmode UNION_TYPE from BLKmode, just return inner object.
15663 Use proper mode in store_field call.
15664 Properly set sizes of object to store and total size in store_field
15665 call for convert to union.
15666 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15667 memory (like for ADDR_EXPR). Also, don't put constant in register if
15668 we'll want it in memory.
15669 (readonly_fields_p): New function.
15670 (expand_expr, case INDIRECT_REF): Call it if LHS.
15671 (expand_assignment): Handle a RESULT_DECL where
15672 DECL_RTL is a PARALLEL.
15673 (do_jump, case WITH_RECORD_EXPR): New case.
15674 (get_inner_reference): Always go inside a CONVERT_EXPR
15675 and NOP_EXPR if both modes are the same.
15676 (store_field): Use bitfield operations if size of bitsize is not same
15677 as size of RHS's type.
15678 Check for bitpos not a multiple of alignment in BLKmode case.
15679 Do block move in largest possible alignment.
15680 (store_constructor): Set BITSIZE to -1 for variable size and properly
15681 in case of array of BLKmode.
15682 (expand_expr_unaligned): New function.
15683 (do_compare_and_jump): Call it.
15685 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15686 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15687 does not include 'o'.
15689 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15690 both SET_DEST and SET_SRC reference a virtual register.
15691 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15693 * integrate.c (expand_inline_function): Handle case of setting
15694 virtual stack vars register (from built in setjmp); when parameter
15695 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15696 (subst_constant): Add new parm, MEMONLY.
15697 (expand_inline_function, integrate_parm_decls): Pass new parm.
15698 (integrate_decl_tree): Likewise.
15699 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15700 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15701 (copy_rtx_and_substitute, case SET): Add explicit calls to
15702 copy_rtx_and_substitute for both sides.
15704 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15706 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15707 within INDEX_TYPE, instead of before.
15708 (fixup_gotos): Use f->target_rtl, not the next insn,
15709 since latter may be from a later fixup.
15710 (expand_value_return): Correctly convert VAL when promoting function
15711 return; support RETURN_REG being a PARALLEL.
15712 (expand_return): When checking for result in regs and having
15713 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15715 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15717 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15718 last_nominal_fname): Mark const.
15719 (struct include_hash: name, nshort, control_macro): Mark
15721 (struct macrodef: symnam): Mark const.
15722 (struct if_stack: fname): Mark const.
15723 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15724 (IStable): New character-syntax array which encompasses all
15725 the old is_foo arrays.
15726 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15727 is_space): New macros for interrogating IStable.
15728 (check_macro_name): Kill last argument. All callers changed.
15730 * cppinit.c (initialize_char_syntax): Delete.
15731 (is_idchar, is_idstart, is_hor_space, is_space,
15732 trigraph_table): Delete.
15733 (IStable): New. Initialize with clever macros to avoid
15734 information duplication.
15735 (builtin_array): Table of builtins to get rid of explicit list
15736 in initialize_builtins.
15737 (initialize_builtins): Use builtins_array.
15738 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15739 opts->dollars_in_ident.
15741 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15743 (cpp_parse_expr): Avoid 'format string is not constant'
15744 warning. Use ISGRAPH to identify printable chars.
15745 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15747 (read_and_prescan): Map trigraphs to chars with open-coded
15748 if-else-if-... sequence, not a lookup table.
15749 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15751 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15752 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15753 (check_macro_name): Remove ability to report an invalid
15754 assertion name, which is never used.
15755 (do_line): Constify a couple of char *'s.
15756 * cppmain.c (main): Call cpp_cleanup before returning.
15758 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15760 * ggc.h (struct ggc_statistics): New type.
15761 (ggc_get_size): New function.
15762 (ggc_print_statistics): Likewise.
15763 * ggc-common.c (ggc_stats): New variable.
15764 (ggc_mark_rtx_children): Keep statistics.
15765 (ggc_mark_tree_children): Likewise.
15766 (ggc_print_statistics): New function.
15767 * ggc-page.c (struct globals): Add bytes_mapped field.
15768 (alloc_anon): Update it.
15769 (release_pages): Likewise.
15770 (ggc_get_size): New function.
15771 (ggc_page_print_statistics): New function.
15772 * ggc-simple.c (ggc_get_size): New function.
15774 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15776 * flow.c (propagate_block): When the last reference to a label
15777 before an ADDR_VEC is deleted because the reference is a dead
15778 store, delete the ADDR_VEC.
15780 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15782 * resource.c (find_free_register): Don't use the frame pointer
15783 if frame_pointer_needed.
15785 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15787 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15788 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15790 * config/i960/i960.c (i960_va_start): New locals base, num.
15791 Use INDIRECT_REF instead of ARRAY_REF on valist.
15792 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15794 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15796 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15798 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15800 * tree.def (PLACEHOLDER_EXPR): Update comments.
15802 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15804 * c-common.c (check_format_info): Avoid non-literal format string
15805 warnings when `first_arg_num' is zero.
15807 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15809 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15811 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15813 * arm.md (casesi_insn): Add a clobber of the condition code
15816 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15818 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15819 used by both cc1 and cc1plus.
15821 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15823 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15824 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15825 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15826 to the value 32 if it has not already been defined.
15827 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15828 Override definition in arm.h with a value of 8.
15830 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
15832 * c-pragma.c (push_alignment): Don't check the return value
15835 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
15837 * sparc.h (ADJUST_COST): Fix thinko.
15839 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
15841 * cccp.c (rescan): Fixed obp pointer handling around call to
15842 check_expand subroutine.
15844 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
15846 * gcse.c (delete_null_pointer_checks): Only record non-null info
15847 for pseudos when examining stores.
15849 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
15850 splitters for these patterns. Use "#" for output templates.
15851 (addsi3_carryin_shift): New pattern.
15853 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
15855 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
15856 of the function return register into a plain REG until
15857 after function inlining is done.
15859 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
15861 * jump.c (jump_optimize_1): If we did cross-jumping, and
15862 the data will matter, rebuild the CFG.
15863 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
15864 not optimizing. Don't run shorten_branches.
15865 * toplev.c (rest_of_compilation): Run shorten_branches after
15868 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
15870 * rtl.h (note_stores): Add additional paramter.
15871 * rtlanal.c (reg_set_p_1): Take additional paramter.
15872 (reg_set_last_1): Likewise.
15873 (reg_set_p): Adjust call to note_stores.
15874 (reg_set_last): Likewise.
15875 (note_stores): Pass data parameter to worker function.
15876 * alias.c (record_set): Take additional parameter.
15877 (init_alias_analysis): Pass it.
15878 * caller-save.c (mark_set_regs): Take additional parameter.
15879 (save_call_clobbered_regs): Pass NULL to note_stores.
15880 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
15882 (record_dead_and_set_regs_1): Likewise.
15883 (reg_dead_at_p_1): Likewise.
15884 (combine_instructions): Adjust calls to note_stores.
15885 (try_combine): Likewise.
15886 (record_dead_insn): Remove.
15887 (record_dead_and_set_regs): Adjust calls to note_stores.
15888 (reg_dead_at_p): Likewise.
15889 * cse.c (invalidate_skipped_set): Take additional parameter.
15890 (cse_check_loop_start): Likewise.
15891 (cse_check_loop_start_value): Remove.
15892 (cse_set_around_loop): Adjust calls to note_stores.
15893 * flow.c (notice_stack_pointer_modification): Take additional
15894 parameter. Remove duplicate declaration.
15895 (record_volatile_insns): Adjust calls to note_stores.
15896 * gcse.c (record_set_info): Take additional parameter.
15897 (record_last_set_info): Likewise.
15898 (invalidate_nonnull_info): Likewise.
15899 (record_set_insn): Remove.
15900 (compute_sets): Adjust calls to note_stores.
15901 (last_set_insn): Remove.
15902 (compute_hash_table): Adjust calls to note_stores.
15903 (insert_insn_end_bb): Likewise.
15904 (delete_null_pointer_checks): Likewise.
15905 * global.c (mark_reg_store): Take additional parameter.
15906 (mark_reg_clobber): Likewise.
15907 (reg_becomes_live): Likewise.
15908 (global_conflicts): Adjust calls to note_stores.
15909 (build_insn_chain): Likewise.
15910 * integrate.c (note_modified_parmregs): Take additional parameter.
15911 (mark_stores): Likewise. Make it static.
15912 (save_for_inline_nocopy): Adjust calls to note_stores.
15913 (try_constants): Likewise.
15914 * integrate.h (mark_stores): Remove declaration.
15915 * jump.c (mark_modified_reg): Take additional parameter.
15916 (thread_jumps): Adjust calls to note_stores.
15917 * local-alloc.c (validate_equiv_mem_from_store): Take additional
15919 (no_equiv): Likewise.
15920 (reg_is_set): Likewise.
15921 (validate_equiv_mem): Adjust calls to note_stores.
15922 (update_equiv_regs): Likewise.
15923 (block_alloc): Likewise.
15924 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
15925 (note_addr_stored): Take additional parameter.
15926 (note_set_pseudo_multiple_uses): Likewise.
15927 (record_initial): Likewise.
15928 (prescan_loop): Adjust calls to note_stores.
15929 (strength_reduce): Likewise.
15930 (check_dbra_loop): Likewise.
15931 * regmove.c (flags_set_1): Take additional paramter.
15932 (mark_flags_life_zones): Adjust calls to note_stores.
15933 * reload1.c (mark_not_eliminable): Take additional parameter.
15934 (forget_old_reloads_1): Likewise.
15935 (reload_cse_invalidate_rtx): Likewise.
15936 (reload_cse_check_clobber): Likewise.
15937 (reload_combine_note_store): Likewise.
15938 (move2add_note_store): Likewise.
15939 (reload): Adjust calls to note_stores.
15940 (reload_as_needed): Likewise.
15941 (emit_reload_insns): Likewise.
15942 (reload_cse_regs_1): Likewise.
15943 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
15944 (reload_combine): Adjust calls to note_stores.
15945 * resource.c (update_live_status): Take additional paramter.
15946 (mark_target_live_regs): Adjust calls to note_stores.
15947 * stupid.c (find_clobbered_regs): Take additional parameter.
15948 (stupid_life_analysis): Adjust calls to note_stores.
15950 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
15952 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
15955 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
15958 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
15959 of the variable arm_structure_size_boundary.
15961 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
15963 * alias.c (init_alias_analysis): Allocate reg_known_value and
15964 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
15966 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
15967 * cse.c (cse_main): Call end_alias_analysis.
15968 * haifa-sched.c (schedule_insns): Likewise.
15969 * local-alloc. (update_equiv_regs): Likewise.
15970 * reload1.c (reload_cse_regs): Likewise.
15972 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15974 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
15975 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
15976 mapping from MASK_FPU.
15978 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
15980 * sparc.md (call): Don't bound structure return size to 0xfff.
15982 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
15984 * resource.c (mark_target_live_regs): Check that the target
15985 insn wasn't created after compute_bb_for_insn.
15987 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
15989 * ggc-page.c (poison_pages): Don't be overzealous.
15991 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
15993 * alias.c: Update comments for ADDRESS.
15994 (nonlocal_reference_p): Look inside the ADDRESS to determine if
15995 it is a local memory reference.
15997 * c-typeck.c (build_function_call): Check that the built-in
15998 function is of class BUILT_IN_NORMAL before trying to recongize
15999 it as BUILT_IN_ABS.
16000 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16001 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16003 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16005 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16007 (pre_gcse): Likewise.
16008 (hoist_expr_reaches_here_p): Likewise.
16009 (hoist_code): Likewise.
16010 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16012 (pre_expr_reaches_here_p_work): ... here.
16013 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16015 (expr_reaches_here_p_work): ... here.
16017 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16019 * resource.c (find_basic_block): Delete.
16020 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16021 (init_resource_info): Call compute_bb_for_insn.
16023 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16025 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16026 with already adjacent blocks, but no fallthru.
16027 (merge_blocks_move_successor_nojumps): Simplify.
16028 (debug_flow_info): New.
16030 * toplev.c (rest_of_compilation): Open jump1 dump file before
16031 jump and close after, as opposed to just using dump_rtl.
16033 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16035 * reload.h (earlyclobber_operand_p): Declare.
16036 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16037 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16038 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16039 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16041 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16042 Richard Henderson <rth@cygnus.com>
16044 * emit-rtl.c (emit_block_insn_before): New.
16045 (emit_block_insn_after): New.
16046 * basic-block.h: Declare them.
16048 * bitmap.h: Protect from multiple inclusion.
16050 * recog.c (scratch_operand): Handle VOIDmode correctly.
16052 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16054 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16055 * function.c (assign_parms): Likewise.
16056 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16058 * reg-stack.c (max_uid): Remove.
16059 (blocks, block_begin, block_end, block_drops_in): Remove.
16060 (block_stack_in, block_out_reg_set, block_number): Remove.
16061 (struct block_info_def, BLOCK_INFO): New.
16062 (enum emit_where): New.
16063 (current_block): New.
16064 (BLOCK_NUM): Remove.
16065 (mark_regs_pat, record_label_references): Remove.
16066 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16068 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16069 (reg_to_stack): Simplified test for existance of fp code. Use
16070 flow.c code. Call shorten_branches after cross-jump opt.
16071 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16072 Return false if the asm doesn't use stack regs. Don't do life
16073 analysis on the asm.
16074 (emit_pop_insn): Replace function pointer arg `when' with
16075 enum `where'. Update all callers.
16076 (change_stack): Likewise. Update basic block end.
16077 (emit_swap_insn): Use current_block->head to limit reverse search
16078 for start of block. Use emit_block_insn_after.
16079 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16080 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16081 structure assignment instead of bcopy.
16082 (print_stack): New.
16083 (convert_regs_entry, convert_regs_exit): New.
16084 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16085 Work on basic blocks and the CFG.
16086 (convert_regs): Use them.
16088 * i386.c (output_fix_trunc): Remove code for DImode input operand
16089 not at top-of-stack.
16090 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16092 (fix_truncdi_1): Allow any mode scratch.
16094 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16096 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16097 * linux.h, netbsd.h, vms.h: Not here.
16099 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16101 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16102 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16103 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16104 CONDITIONAL_REGISTER_USEAGE): Use them.
16105 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16106 gen_conditional_branch,override_options) : Use them.
16107 * config/mips/mips.md : Use them.
16109 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16111 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16113 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16115 * integrate.c (function_cannot_inline_p): Don't allow inlining
16118 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16120 * c-parse.in (cast_expr): Constify.
16122 * cccp.c (special_symbol): Likewise.
16124 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16126 * dwarf2out.c (base_type_die): Likewise.
16128 * global.c (allocno_compare): Likewise.
16130 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16132 * regclass.c (fix_register): Likewise.
16134 * rtl.h (fix_register): Likewise.
16136 * stupid.c (stupid_reg_compare): Likewise.
16138 * toplev.c (decode_f_option): Likewise.
16140 * tree.c (build_complex_type): Likewise.
16142 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16144 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16146 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16148 * reload.c (find_reloads): Compute mode and nregs fields of all
16150 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16151 (calculate_needs): Use precomputed mode/nregs values.
16152 (allocate_reload_reg): Likewise.
16154 (failed_reload, set_reload_reg): ... new functions.
16155 (choose_reload_regs_init): New function, mostly broken out from...
16156 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16157 Also lose one #if 0 block.
16159 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16161 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16164 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16166 * tree.h (BLOCK_TYPE_TAGS): Remove.
16167 (BLOCK_END_NOTE): Likewise.
16168 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16169 (BLOCK_LIVE_RANGE_START): Likewise.
16170 (BLOCK_LIVE_RANGE_END): Likewise.
16171 (tree_block): Remove live_range_flag, live_range_var_flag, and
16172 type_tags. Remove end_note, live_range_start, and live_range_end.
16173 (remember_end_note): Remove prototype.
16174 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16175 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16177 * ggc-common.c (ggc_mark_tree_children): Don't mark
16178 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16179 * integrate.c (adjust_copied_decl_tree): Remove.
16180 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16181 * stmt.c (last_block_end_note): Remove.
16182 (init_stmt): Don't add a GC root for it.
16183 (expand_fixup): Don't set it.
16184 (remember_end_note): Remove.
16185 (expand_end_bindings): Don't set last_block_end_note.
16187 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16189 * reload1.c (reload_reg_free_for_value_p): Show
16190 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16193 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16195 * expmed.c (extract_bit_field): Allow for the case of non-integer
16196 objects that are smaller than a word (like SFmode on a 64-bit
16199 * loop.c (basic_induction_var): A non-integer variable which is
16200 being set by a paradoxical subreg is probably not a biv.
16202 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16204 * prefix.c (translate_name) Check for empty prefix string.
16206 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16208 * Makefile.in (CPP_CROSS_NAME): New variable.
16209 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16211 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16212 names of the files to be uninstalled.
16214 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16216 * collect2.c (IS_DIR_SEPARATOR): Define.
16217 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16219 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16222 * haifa-sched.c (add_dependence): Update the true dependency
16223 cache the first time we add a true dependence to the LOG_LINKS chain.
16225 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16227 * fold-const.c (fold): Fix comment.
16229 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16231 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16232 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16233 dbxout_start_new_source_file, dbxout_source_file,
16234 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16235 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16237 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16238 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16239 (dbxout_block): Initialize variable `blocknum'.
16241 * dbxout.h (dbxout_init, dbxout_finish,
16242 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16243 dbxout_args, dbxout_source_line): Constify a char*.
16245 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16246 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16247 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16248 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16249 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16250 src_info_attribute, mac_info_attribute, producer_attribute,
16251 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16252 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16253 dwarfout_undef): Constify a char*.
16254 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16256 * dwarfout.h (dwarfout_define, dwarfout_undef,
16257 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16259 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16261 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16262 (MULTILIB_ISA_DEFAULT): New.
16263 (MULTILIB_DEFAULTS): Use it.
16264 * config/mips/mips.c (): Remove the now unnecessary definition
16265 of MIPS_ISA_DEFAULT.
16266 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16267 unnecessary definition.
16269 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16271 * arm.md (pic_load_addr): Add constraints to operand 1.
16273 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16275 * fixinc/genfixes: Provide a means for specifying -D options to
16278 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16280 * arm.c (arm_override_options): Correct initialization of
16281 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16282 arm_is_strong, and arm_is_6_or_7.
16284 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16285 (note_set_pseudo_multiple_uses): New function.
16286 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16287 if a pseudo set in the loop exit is used elsewhere.
16289 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16291 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16293 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16295 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16296 a single load-address pattern.
16298 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16300 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16301 depending on whether or not line-number notes are present.
16303 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16305 * cccp.c (progname, file_buf, default_include, include_file,
16306 macrodef, definition, hashval, wchar_type, user_label_prefix,
16307 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16308 expand_to_temp_buffer, is_system_include, base_name,
16309 absolute_filename, read_name_map, open_include_file,
16310 record_control_macro, check_precompiled, check_preconditions,
16311 pcfinclude, pass_thru_directive, create_definition,
16312 check_macro_name, comp_def_part, collect_expansion,
16313 check_assertion, read_token_list, assertion_install,
16314 assertion_lookup, eval_if_expression, conditional_skip,
16315 validate_else, skip_quoted_string, quote_string, macarg1,
16316 error_from_errno, install, lookup, hashf, dump_defn_1,
16317 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16318 check_white_space, rescan, handle_directive, monthnames,
16319 special_symbol, do_include, remap_include_file, write_output,
16320 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16321 do_ident, do_sccs, do_xifdef, skip_if_group,
16322 output_line_directive, macroexpand, macarg, change_newlines,
16323 initialize_builtins, make_definition): Constify a char*.
16325 * pcp.h (stringdef): Likewise.
16327 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16329 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16332 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16333 Richard Henderson <rth@cygnus.com>
16335 * alias.c: Include ggc.h.
16336 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16337 (record_set): Verify enough room in reg_base_value.
16338 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16339 Register it as a GC root.
16340 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16341 * Makefile.in (alias.o): Depend on ggc.h.
16343 * unroll.c (unroll_loop): Verify the insn before a barrier
16344 is a JUMP_INSN before checking JUMP_LABEL.
16346 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16348 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16349 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16350 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16351 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16352 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16353 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16355 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16357 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16359 * alpha/alpha-interix.h (text_section): Delete prototype.
16360 * alpha/elf.h (text_section): Likewise.
16361 * arm/linux-elf.h (text_section): Likewise.
16362 * arm/linux-telf.h (text_section): Likewise.
16363 * c4x/c4x.h (text_section): Likewise.
16364 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16365 * elfos.h (text_section): Likewise.
16366 * i386/aix386ng.h (text_section): Likewise.
16367 * i386/i386-interix.h (text_section): Likewise.
16368 * i386/sco5.h (text_section): Likewise.
16369 * i386/svr3gas.h (text_section): Likewise.
16370 * nextstep.h (text_section): Likewise.
16371 * psos.h (text_section): Likewise.
16372 * ptx4.h (text_section): Likewise.
16373 * svr3.h (text_section): Likewise.
16374 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16376 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16378 * final.c (peephole): Delete prototype.
16380 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16381 (pre_insert_copies): Remove unused variable `bb'.
16383 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16386 * output.h (peephole): Add prototype.
16388 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16390 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16393 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16395 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16396 for inlined declarations.
16398 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16400 * arm.c (logical_binary_operator): New fucntion.
16401 * arm.h (logical_binary_operator): Declare it.
16402 (PREDICATE_CODES): Handle logical_binary_operator.
16403 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16404 output constraints. Add appropriate splitters.
16405 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16406 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16407 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16409 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16411 * genoutput.c (struct operand_data): New elt eliminable.
16412 (output_operand_data): Write it.
16413 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16414 (compare_operands): Take it into account.
16415 * recog.h (struct insn_operand_data): New elt eliminable.
16416 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16418 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16419 (eliminate_regs): Move code that detects changes to elimination
16420 target regs into new function elimination_effects.
16421 Delete one #if 0 block.
16422 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16423 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16424 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16425 Only call eliminate_regs for real operands of the insn, not for parts
16426 of its structure or parts matched by things like match_operator.
16427 Use elimination_effects and check_eliminable_occurrences. Use
16428 copy_insn to duplicate the pattern when not in the final pass.
16430 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16432 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16435 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16437 * fixinc/README: document the "mach" machine matching test
16438 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16439 * fixinc/fixtests.c: Implement the #else/#endif label test
16440 * fixinc/inclhack.def: utilize these tests and fixes
16441 * fixinc/inclhack.sh: regen
16442 * fixinc/fixincl.x: regen
16443 * fixinc/fixincl.sh: regen
16445 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16447 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16450 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16452 * gcc.1: Document exit codes.
16454 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16456 * calls.c: Include tm_p.h later, so everything we need is defined.
16457 * expr.c: Likewise.
16458 * function.c: Likewise.
16460 * except.c: Include tm_p.h.
16462 * sparc.c: Likewise.
16463 (dwarf2out_cfi_label): Don't prototype.
16464 (check_return_regs, epilogue_renumber,
16465 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16466 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16467 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16468 ultra_schedule_insn): Add static prototype.
16469 (data_segment_operand, text_segment_operand): Call itself with the
16470 proper number of arguments.
16471 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16473 * sparc.h: Move all declarations to sparc-protos.h.
16474 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16477 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16479 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16481 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16482 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16483 ASM_OUTPUT_ASCII): Constify a char*.
16485 * sparc-protos.h: New file for sparc prototypes.
16487 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16489 * function.c (record_insns, contains): Always declare and define.
16490 (record_insns): Mark with ATTRIBUTE_UNUSED.
16492 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16494 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16495 to .section when outputting a .bss section to deal with multiple
16496 .bss input sections (as happens with -fdata-sections)
16497 Also output %progbits, not @progbits so the assembler doesn't treat as
16499 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16501 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16502 thumb parts even when building with non-thumb CPUs, by forcing
16505 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16507 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16508 (movdf_const_intreg_sp64): Similarly.
16510 * local-alloc.c (update_equiv_regs): Check the correct insn
16511 for pre-existing REG_EQUIV notes.
16513 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16515 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16516 block reached by a branch if we're not going to actually process
16519 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16521 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16522 a local extern function declaration.
16524 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16526 * i386.c (ix86_expand_prologue): Properly wrap USE around
16527 reg for CALL_INSN_FUNCTION_USAGE.
16529 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16531 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16532 move between GP_REGs.
16534 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16536 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16537 the mode size when finding out if an offset is legal.
16539 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16541 * basic-block.h (PROP_*): Move constants from ...
16542 * flow.c: ... here.
16543 (compute_bb_for_insn): Free the array before reallocating.
16544 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16545 (allocate_reg_life_data): Reset all reg variables collected by
16547 (get_block_head_tail): Don't convert from bb to block.
16548 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16549 (find_insn_reg_weight): Take block not bb.
16550 (schedule_block): Don't set block num for moved insns.
16551 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16552 (schedule_insns): Do it here instead.
16553 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16554 before update_life_info.
16555 * recog.c (split_all_insns, peephole2_optimize): Update for
16556 new arg to update_life_info.
16557 * rtlanal.c (remove_note): Cope with NULL note.
16558 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16561 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16563 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16565 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16566 block records so that merge_blocks_nomove will clean up correctly.
16567 (split_edge): Handle casesi insns.
16569 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16571 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16573 * pa.md (call, call_value): Do not emit a blockage after restoring
16576 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16578 * c-typeck.c (c_expand_asm_operands): Fix typo.
16580 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16582 * arm.c (fpu_rhs_operand): Verify modes.
16583 (fpu_add_operand): Likewise.
16584 (di_operand): Likewise.
16585 (soft_df_operand): Likewise.
16587 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16589 * arm.c (arm_return_in_memory): APCS rules state that the elements
16590 of a structure returned in a register must be 'integer-like'.
16592 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16594 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16595 in the source tree when the generated targets are out of date
16596 * fixinc/genfixes: Alter it to run individual fixes for make.
16597 * fixinc/README: rewrite
16598 * fixinc/inclhack.def: moved initial comments to README
16600 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16602 * toplev.c (main): Do not generate an error message if an
16603 unrecognised command line switch is recognisable by another
16604 language. If extra_warnings are enabled, then generate a
16605 warning message instead.
16607 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16609 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16610 (insert_pack_attributes): Delete prototype.
16612 * c-pragma.c (default_alignment): New static variable.
16613 (push_alignment): Initialize to current effective alignment.
16614 (pop_alignment): Use to set new alignment.
16615 (insert_pack_attributes): Delete function.
16616 (handle_pragma_token): Set default_alignment as well each time
16617 a #pragma pack(<n>) is encountered.
16619 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16621 * reg-stack.c (stack_result): Aggregates are not returned in
16624 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16626 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16628 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16630 * basic-block.h (set_block_num): Declare.
16631 * flow.c (update_life_info): Don't call compute_bb_for_insn
16632 or free_basic_block_vars.
16633 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16634 (insn_orig_block): Remove.
16635 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16636 (schedule_block): Keep BLOCK_NUM up-to-date.
16637 (schedule_insns): Use compute_bb_for_insn.
16638 * recog.c (split_all_insns): Likewise.
16639 (peephole2_optimize): Likewise.
16641 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16643 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16644 if the pic register is used.
16646 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16648 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16649 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16650 if that tests TREE_PERMANENT.
16652 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16654 * cse.c (invalidate_for_call): Do not remove memory references from
16655 the table here. It's handled elsewhere.
16657 * haifa-sched.c (add_dependence): Protect references to the
16658 true dependency cache with #ifdef INSN_SCHEDULING.
16659 (remove_dependence): Similarly.
16661 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16662 to the cfg code that this is a return instruction.
16663 * mn10300.md (return_internal): Similarly.
16665 * combine.c (get_last_value): If the last set of a register
16666 is after subst_low_cuid, then we can not use it to determine
16667 the register's last value.
16669 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16671 * Makefile.in: Back out previous change.
16673 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16675 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16677 * haifa-sched.c (add_dependence): Only check/update the cache
16679 (remove_dependence): Likewise.
16680 (schedule_insns): Only create the true_dependency_cache if the
16681 average number of instructions in a basic block is very large.
16683 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16685 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16686 (ggc-simple.o): Likewise.
16687 (ggc-page.o): Likewise.
16689 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16691 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16692 Prototype for exported functions.
16693 (pre_lcm, pre_rev_lcm): Remove prototypes.
16694 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16695 (compute_available): Move to lcm.c, and change parameter order.
16696 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16697 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16698 (gcse_main): No longer call compute_preds_succs. Rebuild the
16699 set table after reach pre pass.
16700 (pre_insert_map, pre_delete_map, edge_list): New.
16701 (alloc_pre_mem): Allocate edge vectors.
16702 (free_pre_mem): Delete edge vectors.
16703 (compute_pre_data): Call new edge based lcm routines.
16704 (process_insert_insn): New function.
16705 (insert_insn_end_bb): Use it.
16706 (pre_edge_insert): New function.
16707 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16709 (pre_insert_copies): Revamp using new edge based lcm outputs.
16710 (pre_delete): Likewise.
16711 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16713 (compute_code_hoist_vbeinout): New new edge based routines.
16714 * lcm.c: Remove all the old LCM functions. Replace with new ones
16715 that work with the new cfg datastructures and work with edges
16718 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16720 * reload.h (struct reload): Add new fields "mode" and "nregs".
16721 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16722 to reference the "mode" and "nregs" field within struct reload.
16724 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16726 * haifa-sched.c (true_dependency_cache): New.
16727 (add_dependence): Use the true dependency cache to avoid expensive
16728 walks down the LOG_LINKS dependency list. Add entries to the
16729 cache as necessary.
16730 (remove_dependence): Remove entries from the true dependency cache
16732 (schedule_insns): Allocate and initialize and free the true
16735 * haifa-sched.c (schedule_insns): Do not remove inter-block
16736 dependencies anymore.
16738 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16740 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16741 * i386/t-winnt: Likewise.
16743 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16745 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16747 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16749 * Makefile.in (LANGUAGES): Omit "proto".
16750 (clean): Remove stale comment about removing unprotoize.c.
16752 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16754 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16755 using arithmetic on void pointers.
16757 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16759 * haifa-sched.c (compute_block_forward_dependencies): Only check
16760 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16762 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16764 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16765 (expr_equiv_p): Reject memories with different alias sets.
16767 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16769 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16770 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16771 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16772 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16773 (lang_init): Set default for flag_bounds_check if still "unspecified".
16775 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16777 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16779 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16781 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16784 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16786 * config/c4x/c4x.md (*db_noclobber,
16787 *decrement_and_branch_until_zero_noclobber): New patterns and
16788 associated splitters.
16790 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16792 * config/c4x/c4x.md (parallel instruction patterns): Rework
16793 constraints to keep reload happy.
16795 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16797 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16798 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16799 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16800 Add new patterns and associated post-reload splitters.
16802 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16804 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16806 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16808 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16810 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16812 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16814 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16817 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16819 * pa.c (move_operand): Rely on memory_address_p to determine the
16820 validity of non-indexed memory addresses.
16821 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16822 operand in DFmode and SFmode when generating PA2.0 code.
16824 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16826 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16828 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16830 * mips.c (function_prologue): Fix argument types.
16831 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
16832 (casesi_internal): Write to the scratch register.
16834 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
16836 * cppexp.c (cpp_parse_escape): Make static. Change second arg
16838 (parse_charconst): Delete unnecessary cast when calling
16840 (cpplib.h): Kill prototype of cpp_parse_escape.
16842 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
16844 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
16845 * unroll.c (unroll_loop): Cast return value of alloca.
16846 * i370/i370.c: Include function.h and toplev.h.
16847 (i370_label_scan): Remove c++ commented abort.
16848 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
16849 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
16850 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
16851 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
16853 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
16855 * config/t-freebsd: Do not override USER_H.
16856 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
16858 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
16859 Mumit Khan <khan@xraylith.wisc.edu>
16861 * c-parse.in (component_decl): Support anonymous struct/union.
16863 * c-parse.y: Regenerate.
16864 * c-parse.c: Likewise.
16865 * objc/objc-parse.y: Likewise.
16866 * objc/objc-parse.c: Likewise.
16867 * c-decl.c (finish_struct): Don't sort the fields.
16868 (field_decl_cmp): Delete unused function.
16870 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
16872 * sparc.md (movsf_const_intreg): Revert last constraint change.
16873 (movdf_const_intreg_sp32): Likewise.
16875 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
16877 * cse.c: Include hashtab.h instead of splay-tree.h
16878 (struct cse_reg_info): No longer use variant union. Add new
16879 field "regno". All references changed to avoid union.
16880 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
16881 (free_cse_reg_info): Remove.
16882 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
16883 (get_cse_reg_info): Revamp to use expandable hash tables instead
16884 of splay trees. Initialize new fields in cse_reg_info structure.
16885 (new_basic_block): Similarly.
16887 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
16889 * genrecog.c (message_with_line): Prototype.
16890 (validate_pattern): Pass along the set for the dest, not a flag.
16891 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
16892 Check for PC/CC0 as sources.
16893 (nodes_identical): Check for children position match before
16894 allowing the combination.
16896 * rtl.c (read_rtx): Track line number across \\\n.
16898 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
16900 * mips.h (SPECIAL_MODE_PREDICATES): New.
16901 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
16902 (movdi+1, movsi+1): Add output reload constraint.
16903 (casesi_internal): Likewise. Fix commentary.
16904 (return_internal): Use pmode_register_operand.
16906 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
16908 * 1750a.md (movstrqi): Add missing output reload constraint.
16909 (call_value): Likewise.
16910 * a29k.md (cpxxx patterns): Add missing match_operator mode.
16911 (jmpfdec): Add missing inout reload constraint.
16912 * elxsi.md (addsi patterns): Add missing output reload constraint.
16913 (move from sp): Use @ alternates.
16914 (call_value): No constraint on output.
16915 * fr30.md (movsi_pop): Add missing output reload constraint.
16916 (movsf_constant_store): Likewise.
16917 (splits): Remove constraints.
16918 (subsi3): Add missing mode.
16919 * i370.md (cmpstrsi+1): Add missing output reload constraint.
16920 (call_value): Likewise.
16921 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
16922 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
16923 * m32r.md (movsicc_internal): Add output reload constraint.
16924 (movstrsi_internal): Add inout reload constraints.
16925 * m88k.h (reg_names): Don't declare.
16926 (SPECIAL_MODE_PREDICATES): New.
16927 * m88k.md (*): Use register_operand not reg_or_0_operand
16929 * mn10200.h (PREDICATE_CODES): New.
16930 * ns32k.md (ffs pattern): Add output reload constraint.
16931 * pdp11.md (sob pattern): Add inout reload constraint.
16932 * sh.md (splits): Remove constraints.
16933 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
16934 * v850.md (pattern_is_ok_for_epilogue): Likewise.
16935 * vax.md (jgequ pattern): Add inout reload constraint.
16937 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
16939 * configure.in (djgpp): Revert previous patch.
16940 * configure: Rebuit.
16941 * config/i386/djgpp.h: Revert previous patch.
16943 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
16945 * fixinc/inclhack.def: Restore patch lost during last merge of
16946 "no_bogosity" branch.
16947 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
16949 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16951 * fixincludes: Add a HPUX 11 fix for inttypes.h.
16952 * fixinc/inclhack.def: Same.
16953 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
16955 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
16957 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
16958 as the base of a PLUS.
16960 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16962 * config/c4x/c4x.md: Define mode for remaining unspec operators.
16963 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
16965 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
16967 * pa.md (post_stw+1): Use pmode_register_operand.
16968 (dcacheflush, icacheflush): Likewise.
16970 * i386.md (movstricthi_1): Allow r/r.
16972 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
16974 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
16975 to (not (and (arg0) (arg1))). Similary for and.
16977 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
16978 fallthrough to associate code.
16979 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
16982 * combine.c (simplify_logical): Convert XOR to IOR if operands have
16983 no bits in common; remove XOR to ROTATE conversion.
16985 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16987 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
16989 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16991 * config/c4x/c4x.c (dst_operand): New.
16992 (PREDICATE_CODES): Update.
16993 * config/c4x/c4x.h (dst_operand): Declare it.
16994 * config/c4x/c4x.md: Define mode for each unspec usage.
16995 (move patterns): Use dst_operand predicate instead of src_operand.
16996 (movqi_update, movqf_update): Delete.
16998 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17000 * recog.c (pmode_register_operand): New.
17001 * recog.h: Declare it.
17002 * genrecog.c (pred_codes): Likewise.
17003 (special_mode_pred_table): Likewise.
17004 (validate_pattern): Don't warn no mode for address_operand.
17006 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17007 if the operand is not insn-like.
17009 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17010 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17012 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17014 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17016 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17017 instead of general_operand in a SET_DEST. Use const_double_operand
17018 instead of an explicit test against CONST_DOUBLE.
17019 (movsf_const_lo): Add missing register mode.
17020 (goto_handler_and_restore): Add auxiliary test for Pmode.
17021 (flush): Adjust to use address_operand.
17022 (return_sf_no_fpu): Add missing output constraint.
17024 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17026 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17027 for call return value.
17028 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17030 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17032 * toplev.c (main): Only warn about options for other languages.
17033 * collect2.c (main): Pass -w to sub-gcc.
17035 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17037 * flow.c (propagate_block): Add call-clobbered registers to
17040 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17041 zapping mem_set_list.
17042 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17043 (mark_set_1, mark_used_regs): Likewise.
17045 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17047 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17049 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17051 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17052 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17053 options. Also add a new item "C-only Warning Options" to the
17056 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17058 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17059 from multiple calls.
17061 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17063 * i386.md (call value patterns): Move to the end of the file.
17064 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17066 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17068 * configure.in (djgpp configuration): Define extra_objects..
17069 * configure: Rebuilt.
17070 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17071 (DTORS_SECTION_ASM_OP): Define.
17072 (INIT_SECTION_ASM_OP): Define.
17073 (FINI_SECTION_ASM_OP): Define.
17074 (DATA_SECTION_ASM_OP): Define.
17075 (TEXT_SECTION_ASM_OP): Define.
17076 (EH_FRAME_SECTION_ASM_OP): Define.
17077 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17078 (STARTFILE_SPEC): Add crtbegin.o.
17079 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17080 to here from LINK_COMMAND_SPEC.
17081 (DO_GLOBAL_CTORS_BODY): Define.
17082 (CRTSTUFF_USE_FINI_SECTION): Define
17083 (HAS_INIT_SECTION): Delete.
17085 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17087 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17089 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17091 * pa.h (PREDICATE_CODES): New.
17093 * genrecog.c (validate_pattern): Condense the destination
17094 non-lvalue message.
17096 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17098 * alpha.md (call-1): Supply missing mode for operator.
17099 (*): Add missing output reload constraints. Remove constraints
17100 from define_splits.
17102 * i386.h (SPECIAL_MODE_PREDICATES): New.
17103 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17104 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17105 (addsi_lea_3): Add missing mode for op 3.
17106 (prologue_set_got, prologue_get_pc): Add missing modes.
17107 (*) Add missing output reload constraints.
17109 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17111 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17112 check for member bit-size overflow and use var_size if it occurs.
17113 (layout_record): Use bitsize_int() to define the type size in bits.
17114 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17115 (layout_decl): Likewise when assigning to DECL_SIZE.
17117 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17119 * genrecog.c (validate_pattern): Typo last change. Verify
17120 that output operands have output reloads.
17122 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17124 * genrecog.c (special_mode_pred_table): New.
17125 (NUM_SPECIAL_MODE_PREDS): New.
17126 (find_operand): New.
17127 (validate_pattern): New argument `insn'. Warn for assignment to
17128 any predicate accepting non-lvalues. Conditionaly warn for
17129 match_operand without a mode. Try much harder to match source
17130 and destination modes on a set.
17131 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17133 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17135 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17137 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17139 * combine.c (simplify_logical): Recognize xor pattern that encodes
17142 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17144 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17147 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17149 * ggc-page.c (MAP_FAILED): Provide default.
17151 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17153 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17154 * sparc.h (PREDICATE_CODES): Update.
17156 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17158 * alpha.c (some_ni_operand): New.
17159 * alpha-protos.h: Declare it.
17160 * alpha.h (PREDICATE_CODES): Update.
17161 * alpha.md (sXaddq reload insns): Use some_ni_operand
17162 for SET_DEST instead of some_operand.
17164 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17165 Jim Wilson <wilson@cygnus.com>
17167 * genrecog.c (maybe_both_true_2): Don't compare modes of
17169 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17170 after find_afterward.
17171 (debug_decision_1): Dump next and afterward codes.
17173 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17175 * rtl.c (dump_and_abort): Remove.
17176 (fatal_with_file_and_line): New.
17177 (fatal_expected_char): New.
17178 (read_rtx_lineno, read_rtx_filename): New.
17179 (read_skip_spaces): Track line number.
17180 (read_name): Use fatal_with_file_and_line.
17181 (read_rtx): Use fatal_expected_char. Track line number.
17182 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17184 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17185 if it isn't a CODE_LABEL.
17187 * genattr.c (main): Set read_rtx_filename.
17188 * genattrtab.c (main): Likewise.
17189 * gencodes.c (main): Likewise.
17190 * genconfig.c (main): Likewise.
17191 * genemit.c (main): Likewise.
17192 * genextract.c (main): Likewise.
17193 * genflags.c (main): Likewise.
17194 * genopinit.c (main): Likewise.
17195 * genoutput.c (main): Likewise.
17196 * genpeep.c (main): Likewise.
17198 * genrecog.c (decision_test.u.insn): Add `lineno'.
17199 (pattern_lineno, error_count): New variables.
17200 (message_with_line): New.
17201 (add_to_sequence): Break out checking code to ...
17202 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17203 (merge_insn): Use message_with_line.
17204 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17205 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17207 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17209 * expr.c (store_constructor): Clear union if constructor is empty.
17211 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17213 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17214 Add !endian checks. Change %{...} to %(...).
17216 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17218 * i386.md (*addsi3_cc): Renamed from addcsi3.
17219 (*addsi3_carry): Renamed from addxsi3.
17220 (*subsi3_cc): Renamed from subcsi3.
17221 (*subsi3_carry): Renamed from subxsi3.
17222 (*xorqi_cc_1): Renamed from xorcqi_1.
17223 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17224 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17226 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17228 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17229 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17231 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17233 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17234 climb up the chain of insns.
17236 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17238 * genrecog.c (write_subroutine): Careful for null trees.
17239 (process_tree): Don't elide empty functions.
17241 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17243 * Makefile.in (genrtl.o): Depend on ggc.h.
17244 * configure.in (valloc): Probe for it.
17245 (with-gc): Use ggc-page if valloc present.
17246 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17247 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17248 (ggc_alloc_string): Moved from ggc-page.c.
17249 * ggc-none.c (ggc_alloc_obj): New.
17250 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17251 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17252 (struct globals): Likewise for dev_zero_fd.
17253 (init_ggc): Likewise for it's initialization.
17254 (ggc_allocated_p): Move careful dereference from ...
17255 (ggc_lookup_page_table): ... here. Delete.
17256 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17257 (alloc_anon): Use valloc if no mmap.
17258 (release_pages): Use free if using valloc.
17259 (ggc_alloc_obj): Renamed from alloc_obj.
17260 (ggc_set_mark): Renamed from mark_obj.
17261 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17262 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17263 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17264 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17265 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17266 (ggc_collect): Use fp printing instead of our own rounding.
17267 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17268 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17269 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17270 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17271 (struct ggc_string, struct ggc_any): Delete.
17272 (offsetof): Provide default definition.
17273 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17275 (struct ggc_mem): New, from corpse of ggc_any.
17276 (struct ggc_status): Delete.
17277 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17278 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17279 (n_strings_collected, n_anys_collected): Delete.
17280 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17281 (ggc_alloc_string, ggc_alloc): Delete.
17282 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17283 (ggc_free_string, ggc_free_any): Delete.
17284 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17285 (ggc_compare_addresses, ggc_mark_string): Delete.
17286 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17287 (search_data): Delete.
17288 (struct globals): New.
17289 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17290 (tree_insert, tree_lookup): New.
17291 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17292 (clear_marks, sweep_objs): New.
17293 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17294 (init_ggc): Set allocated_last_gc.
17295 (ggc_push_context): Gut. Use G.context.
17296 (ggc_pop_context): Likewise.
17297 (ggc_pop_context_1): New.
17298 (debug_ggc_tree): New.
17299 (debug_ggc_balance, tally_leaves): New.
17300 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17301 (ggc_mark_string_if_gcable): Remove decl.
17302 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17303 (ggc_mark_rtvec_children): New.
17304 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17305 (ggc_mark_if_gcable): New decl.
17306 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17307 (ggc_alloc_tree, ggc_alloc): Likewise.
17308 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17309 (ggc_alloc_obj): New decl.
17310 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17311 (ggc_alloc_tree, ggc_alloc): Likewise.
17312 (ggc_set_mark): New decl.
17313 * rtl.h (struct rtx_def): Remove gc_mark.
17314 (struct rtvec_def): Likewise.
17315 * tree.h (struct tree_common): Likewise.
17317 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17319 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17320 float_format and thread_file definitions.
17321 * configure: Rebuilt.
17323 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17325 * extend.texi (Function Names): Document types of function names.
17327 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17329 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17330 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17332 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17334 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17336 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17338 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17340 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17342 * collect2.c (main): Do prelimnary link on AIX if rflag.
17344 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17346 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17347 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17349 (__do_global_dtors): similarly for __DTOR_LIST__.
17351 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17352 Diego Novillo <dnovillo@cygnus.com>
17354 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17357 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17359 * fixincl/*: Merged "no_bogosity" branch
17360 * fixincl/fixlib.h: protect against doubly defining t_bool
17361 * fixincl/server.h: protect against doubly defining t_bool
17363 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17365 * genoutput.c: Include toplev.h.
17367 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17369 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17371 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17372 * configure: Regenerate.
17374 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17376 * gcse.c (delete_null_pointer_checks): Returns void.
17378 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17380 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17381 * emit-rtl.c (copy_insn_1): Likewise.
17383 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17385 * config/mips/mips.c (mips_build_va_list): Correct
17386 TREE_CHAIN setting when hard-float.
17387 (mips_va_start): Use corrected setting.
17388 (mips_va_arg): Likewise. Also pass a tree to build of
17389 POSTINCREMENT_EXPR rather than a naked 'int'.
17391 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17393 * ggc.h (ggc_push_context): Fix comment.
17394 (ggc_pop_context): Likewise.
17395 (mark_string_if_gcable): Likewise.
17396 * ggc-common.c (ggc_mark_rtx_children): Use
17397 ggc_mark_string_if_gcable.
17398 * ggc-page.c (ggc_lookup_page_table): New function.
17399 (ggc_allocated_p): Likewise.
17400 (mark_obj): Fix formatting.
17401 (ggc_mark_string_if_gcable): New function.
17402 * ggc-simple.c (ggc_allocated_strings): New variable.
17403 (ggc_strings_used): Likewise.
17404 (ggc_compare_addresses): New function.
17405 (ggc_pop_context): Pop the `any' memory too.
17406 (ggc_mark_string_if_gcable): New function.
17407 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17409 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17411 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17412 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17413 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17416 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17418 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17419 (sched_reg_live_length, sched_reg_basic_block): Delete.
17420 (current_block_num, bb_live_regs, old_live_regs): Delete.
17421 (dead_notes, struct sometimes): Delete.
17422 (sched_note_set, birthing_insn_p): Delete.
17423 (adjust_priority): Gut useless reg lifetime code.
17424 (create_reg_dead_note, attach_deaths): Delete.
17425 (attach_deaths_insn, new_sometimes_live): Delete.
17426 (finish_sometimes_live): Delete.
17427 (find_pre_sched_live, find_post_sched_live): Delete.
17428 (update_reg_usage): Delete.
17429 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17430 (schedule_insns): Delete reg lifetime code.
17431 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17432 (unlink_other_notes): Adjust REG_NOTE commentary.
17433 (reemit_notes): Use REG_SAVE_NOTE.
17434 (schedule_block): Likewise.
17435 (schedule_region): Allocate bitmap of blocks in region. Use
17436 count_or_remove_death_notes. Use update_life_info.
17438 * rtl.h (REG_SAVE_NOTE): New.
17439 * rtl.c (reg_note_name): Update.
17441 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17443 * combine.c (refresh_blocks, need_refresh): New.
17444 (combine_instructions): Allocate refresh_blocks. Invoke
17445 update_life_info if needed.
17446 (distribute_notes): Mark refresh_blocks instead of installing
17448 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17449 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17451 * Makefile.in (recog.o): Depend on basic-block.h.
17453 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17455 * genrecog.c (add_to_sequence): Thinko last change: delete
17456 shadowing allow_const_int variable.
17458 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17460 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17461 __GNUC__ and __GNUC_MINOR__.
17463 * gansidecl.h: Likewise.
17469 * toplev.h: Likewise.
17471 * tree.c: Likewise.
17473 * tree.h: Likewise.
17475 * varray.c: Likewise.
17477 * varray.h: Likewise.
17479 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17481 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17482 use one before a jump table.
17484 * rtl.def (ADDRESS): Change documentation to match reality.
17485 * md.texi: Don't document it.
17486 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17489 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17491 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17493 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17494 known predicate block; default allow_const_int true.
17495 (debug_decision_list): New.
17497 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17499 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17501 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17503 * gcse.c (gcse_main): Avoid global optimizations if we have a
17504 large number of basic blocks and the ratio of edges to blocks
17506 (delete_null_pointer_checks): Likewise.
17508 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17510 * c-common.c (check_format_info): Warn if format string isn't a
17513 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17515 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17516 * configure: regenerate
17518 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17520 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17521 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17522 (peepholes): Re-enable.
17524 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17526 * Makefile.in (flow.o): Depend on TREE_H.
17527 * basic-block.h (REG_SET_EQUAL_P): New.
17528 (XOR_REG_SET): New.
17529 (n_edges): Declare.
17530 (free_regset_vector): Remove declaration.
17531 (flow_delete_insn_chain): Declare.
17532 (enum update_life_extent): New.
17533 (update_life_info, count_or_remove_death_notes): Declare.
17534 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17535 Verify register live at bb->global_live_at_start before adding USE.
17536 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17537 (CLEAN_ALLOCA): New.
17539 (PROP_*): New flags.
17540 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17541 (clear_edges): Zero n_edges.
17542 (make_edge): Increment n_edges.
17543 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17544 (flow_delete_insn_chain): Export.
17545 (delete_block): Decrement n_edges.
17546 (merge_blocks_nomove): Likewise.
17547 (life_analysis): Give life_analysis_1 PROP flags.
17548 (verify_wide_reg_1, verify_wide_reg): New.
17549 (verify_local_live_at_start): New.
17550 (update_life_info): Rewrite to call into propogate_block.
17552 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17553 always mark stack pointer. Conditionally mark PIC register.
17554 After reload, mark call-saved registers, return regsiters.
17555 (life_analysis_1): Accept PROP flags not remove_dead_code.
17556 Call mark_regs_live_at_end before zeroing regs_ever_live.
17557 Use calculate_global_regs_live. Copy global_live_at_end before
17558 calling final propagate_block. Zero reg_next_use on exit.
17559 (calculate_global_regs_live): New.
17560 (allocate_bb_life_data): Don't allocate bb->local_set.
17561 (init_regset_vector, free_regset_vector): Remove.
17562 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17563 Test flags before every operation. Warn if prologue/epilogue insn
17564 would have been deleted.
17565 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17566 Use alloc_EXPR_LIST.
17567 (mark_used_regs): Accept and use FLAGS, not FINAL.
17568 Remove special handling for RETURN.
17569 (try_pre_increment): Use alloc_EXPR_LIST.
17570 (dump_flow_info): Dump n_edges.
17571 (unlink_insn_chain, split_hard_reg_notes): Remove.
17572 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17573 (find_insn_with_note, new_insn_dead_notes): Remove.
17574 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17575 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17576 (replace_insns): Remove.
17577 (count_or_remove_death_notes): New.
17578 (verify_flow_info): Abort on error after all checks.
17579 (remove_edge): Decrement n_edges.
17580 (remove_fake_edges): Tweak format.
17581 * haifa-sched.c (schedule_insns): Use split_all_insns.
17582 * output.h (update_life_info): Remove declaration.
17583 * recog.c (split_all_insns): From the corpse of split_block_insns,
17584 do the whole function block by block. Use update_life_info.
17585 (recog_last_allowed_insn): New.
17586 (recog_next_insn): Mind it.
17587 (peephole2_optimize): Set it. Walk backwards through blocks.
17588 Use update_life_info.
17589 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17590 (split_all_insns): Declare.
17591 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17592 Use split_all_insns.
17594 * i386.md (or -1 peep2s): Disable.
17596 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17598 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17599 a single pattern. Scrap the 'd' versions as unnecessary.
17601 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17602 tablejump_mips162,tablejump_internal4): The operands to a
17603 label_ref must be VOIDmode.
17605 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17607 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17609 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17611 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17613 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17615 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17616 cache every function if ggc_p.
17618 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17620 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17621 instead of copy_rtx. Accept sequences that contain asm statements.
17622 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17623 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17624 orig_asm_operands_vector, copy_asm_operands_vector,
17625 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17627 * rtl.h (copy_insn, copy_insn_1): Declare.
17629 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17631 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17633 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17634 arguments to `current_file_function_operand'.
17636 * genrecog.c: Include hard-reg-set.h and resource.h in the
17637 generated output file.
17639 * real.c: Include tm_p.h.
17641 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17643 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17646 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17648 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17649 before the fctiwz insn.
17651 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17652 Mark Mitchell <mark@codesourcery.com>
17654 * tree.c (make_lang_type_fn): New funtion pointer.
17655 (make_lang_type): Call it.
17656 * tree.h (make_lang_type): Declare.
17657 (make_lang_type_fn): Likewise.
17658 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17660 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17662 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17663 make sure that HIGH instructions are copied into BASE_REGS.
17665 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17667 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17669 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17671 * c-decl.c (finish_struct): Use simpler method of
17672 removing elements of a singly-linked list.
17674 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17676 * alpha.md (peephole2's): Comment out peephole2's that generate
17679 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17681 * genrecog.c (add_to_sequence): Disable mode check for
17684 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17686 * ggc-simple.c (init_ggc): Set empty_string.
17688 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17690 * configure.in: Detect mmap. Add --with-gc=foo to select
17691 garbage collector; default to page if mmap available.
17692 * Makefile.in (GGC): Substitute.
17694 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17696 * c-decl.c (ggc_p): Enable.
17698 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17700 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17702 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17704 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17705 string for little-endian-data.
17707 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17709 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17710 case somebody tries to compile --enable-checking code with gcc
17713 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17715 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17718 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17720 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17721 * jump.c (jump_optimize_1): Document why.
17723 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17725 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17726 pointers and casts for `int_handler' and `quit_handler'.
17728 * flow.c (verify_flow_info, split_hard_reg_notes,
17729 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17730 remove_edge, remove_fake_successors): Add static prototypes.
17731 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17732 (mark_set_1): Initialize variable `regno'.
17733 (unlink_insn_chain): Likewise for variable `curr'.
17734 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17736 * loop.c (strength_reduce): Initialize variable
17737 `unrolled_insn_copies'.
17738 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17739 prototypes. Change these functions to take const PTR parameters
17740 to avoid prototype conflict when used as the comparson argument
17742 (check_dbra_loop): Initialize variable `comparison_val'.
17744 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17745 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17746 (find_valid_class): Initialize variable `best_class'.
17747 (find_reloads): Call memcpy, not bcopy.
17749 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17750 (hard_reg_use_compare): Don't needlessly cast away const.
17751 (reload_reg_class_lower): Likewise.
17752 (choose_reload_regs): Initialize variable `regno'.
17754 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17756 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17758 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17760 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17761 ({,d}discard): Add forward declarations. Declare parameter as
17763 (main_without_main): Explicitly declare return type to be int.
17764 (memcpy): Properly declare.
17766 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17767 building the trampoline support, declare malloc, free, and
17769 (__clear_cache): Mark arguments as potentially unused.
17771 * frame.c (toplevel): If inhibit_libc is defined, declare
17774 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17776 * flow.c (make_edge): Accept an optional 2D bitmap in which
17777 to cache edge existence. Update all callers.
17778 (make_label_edge, make_eh_edge): Pass through the edge cache.
17779 (make_edges): Provide the cache.
17781 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17783 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17785 (local_mbtowc): Change the type of variable `i' from int to size_t.
17787 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17788 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17790 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17792 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17793 after other includes that define the appropriate types. Include
17794 tm_p.h for getting user prototypes.
17795 * ggc-callbacks.c (toplevel): Ditto.
17796 * ggc-none.c (toplevel): Ditto.
17797 * gcc-page.c (toplevel): Ditto.
17798 * ggc-simple.c (toplevel): Ditto.
17800 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17801 Jonathan Larmour <jlarmour@cygnus.co.uk>
17803 * config/mips/mips.c (mips_move_2words): Split doubles if
17804 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17806 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17808 * genrecog.c (struct decision_test): New.
17809 (struct decision): Remove test-related members, sort the rest by size.
17810 (IS_SPLIT): Simplify.
17811 (new_decision, new_decision_test): New.
17812 (add_to_sequence): Use them. No special handling for args of
17814 (maybe_both_true): Renamed from not_both_true; return sense changed.
17815 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17816 of maybe_both_true and adjusted for decision_test.
17817 (position_merit): Remove.
17818 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17819 (merge_accept_insn): New, broken out of merge_trees.
17820 (merge_trees): Use them. No special case for c_test; no node
17821 splitting; use test type instead of position_merit.
17822 (factor_tests): New.
17823 (simplify_tests): New.
17824 (break_out_subroutines): Don't write code now.
17825 (find_afterward): New.
17826 (write_afterward, write_switch, write_cond): New.
17827 (write_action, is_unconditional): New.
17828 (write_node): New. Use them.
17829 (write_tree_1): Rewrite. Use the new functions above.
17830 (write_tree): Remove afterward processing.
17831 (write_subroutine): Simplify function variant emission.
17832 (write_subroutines): New.
17833 (same_codes, clear_codes): Remove.
17834 (same_modes, clear_modes): Remove.
17835 (write_header): New, broken out of main.
17836 (make_insn_sequence): Use new_decision and new_decision_test.
17837 (process_tree): New, broken out of main.
17838 (main): Adjust for merge_trees interface change.
17839 Don't #define operands in the output file.
17840 (record_insn_name): New, broken out of make_insn_sequence.
17841 (debug_decision_2, debug_decision_1, debug_decision_0): New.
17842 (debug_decision): New.
17844 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
17846 * resource.c (find_free_register): Mark class_str argument const.
17847 * resource.h: Update prototype to match.
17849 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
17850 * i386.md: Give all anonymous insns names.
17852 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
17854 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
17857 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
17859 * toplev.c (dbr_sched_time): Unconditional.
17860 (peephole2_time): New.
17861 (compile_file): Add pass numbers to all of the dump file suffixes.
17862 Dump peephole2_time. Don't dump times for non-applicable passes.
17863 (rest_of_compilation): Add pass numbers to dump file suffixes.
17864 Conditionalize calls to the scheduler.
17865 * invoke.texi: Update.
17867 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
17869 * flow.c (make_edges): Fix insn iteration.
17870 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
17871 (find_basic_blocks_1): Fix spelling mistake.
17873 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
17875 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
17876 always have side-effects. Use memset not bzero.
17877 (make_node): Likewise.
17879 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
17881 * stmt.c (expand_anon_union_decl): When any of the elements of the
17882 union is addressable, so is the entire union.
17884 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
17886 * sbitmap.c (sbitmap_ones): Don't set too many bits.
17888 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
17889 * bitmap.c (bitmap_operation): Return true iff TO changed.
17890 (bitmap_equal_p): New.
17891 (bitmap_bit_p): Tidy arithmetic.
17892 (debug_bitmap_file): Likewise.
17894 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
17896 * toplev.c (rest_of_compilation): Turn on cse_not_expected
17897 before cse2 instead of after.
17899 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
17901 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
17904 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17906 * cppinit.c (is_idchar initializer): Loosen tests to accept
17909 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
17911 * mips.md: Define conditional move patterns for floating point
17912 operands and DI mode conditions.
17914 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
17916 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
17917 always have side-effects.
17919 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
17921 * mn10200.c (asm_file_start): Fix typo.
17923 * cppinit.c (is_idchar initializer): Tighten tests for when
17924 to put the table into initialized memory.
17926 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
17927 not an array of rtunion.
17928 * gcc-page.c (ggc_alloc_rtvec): Similarly.
17929 * gcc-simple (ggc_free_rtvec): Similarly.
17931 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
17934 * mbchar.h: Add missing #endif.
17936 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
17937 (FPBIT, DPBIT): Define.
17939 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17941 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
17943 * profile.c (instrument_arcs, output_gcov_string,
17944 tablejump_entry_p): Add static prototypes.
17945 (output_gcov_string): Constify a char*.
17947 * regmove.c (replacement_quality, fixup_match_2): Add static
17950 * resource.h (reg_dead_p): Add extern prototype.
17952 * rtl.c (trim_filename): Add static prototype.
17954 * scan-decls.c (skip_to_closing_brace): Likewise.
17956 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
17957 (expand_end_case): Initialize variable `range'.
17958 (emit_case_nodes): Remove unused prototype `rtx_fn'.
17960 * varasm.c (asm_emit_uninitialised): Add static prototype.
17961 (asm_emit_uninitialised, assemble_variable): Mark parameter with
17964 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17966 * cpplib.c (if_directive_nameo): Add static prototype.
17968 * cse.c (cse_insn): Remove unused variable `p'.
17970 * except.c (create_rethrow_ref, push_entry,
17971 receive_exception_label, new_eh_region_entry, find_func_region,
17972 clear_function_eh_region, process_nestinfo): Add static prototypes.
17973 (get_reg_for_handler): Hide definition.
17974 (process_nestinfo): Initialize variable `extra_handlers'.
17976 * expr.h (expand_builtin_longjmp): Add extern prototype.
17978 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
17980 * function.c (prepare_function_start): Likewise.
17981 (pop_function_context_from): Mark parameter `context' with
17983 (push_temp_slots_for_block, flush_addressof): Hide definition.
17985 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
17986 solve_program_flow_graph, calculate_branch_probs,
17987 function_summary, main, fancy_abort): Add prototypes.
17989 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
17990 (add_hash): Constify a char*.
17992 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
17993 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
17994 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
17996 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
17998 * lists.c (free_list, zap_lists): Likewise.
18000 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18002 * alias.c (nonlocal_reference_p): Add static prototype.
18004 * bitmap.c (bitmap_element_allocate): Prototype args in function
18007 * builtins.c (stabilize_va_list): Add static prototype.
18008 (expand_builtin_va_arg): Constify a char*.
18010 * c-lex.c (getch, put_back, extend_token_buffer_to,
18011 read_line_number, token_getch, token_put_back): Add static
18014 * c-parse.gperf (hash, is_reserved_word): Likewise.
18016 * cccp.c (is_dir_separator): Likewise.
18018 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18020 * graph.h: New file to prototype functions exported by graph.c.
18022 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18024 * graph.c: Include graph.h.
18026 * toplev.c: Likewise. Remove redundant prototypes.
18028 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18030 * invoke.texi: Removed duplicated description for -Q.
18032 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18034 * extend.texi: Grammar fix in __extension__ text.
18036 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18038 * md.texi (define_peephole2): New section.
18040 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18042 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18043 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18046 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18048 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18050 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18052 * i386.md (ffs expander): Emit Pentium friendly code for
18055 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18057 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18059 (build1): Likewise.
18061 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18063 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18065 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18067 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18068 register is in use.
18070 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18072 * md.texi (No Constraints): Delete section.
18073 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18074 * final.c (final_scan_insn): We always have register constraints.
18075 * genattrtab.c: Don't include "insn-config.h".
18076 (write_attr_case): We always have register constraints.
18077 * genconfig.c (register_constraint_flag): Delete.
18078 (walk_insn_part): Don't check whether we have register constraints.
18079 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18080 * genoutput.c (have_constraints): Delete.
18081 (main): Don't set it.
18082 (output_operand_data): We always have constraints.
18083 (scan_operands): Likewise.
18084 (compare_operands): Likewise.
18085 * local-alloc.c (block_alloc): We always have constraints.
18086 (requires_inout): Always compile this function.
18087 * recog.c (extract_insn): We always have constraints.
18088 (constrain_operands, reg_fits_class_p): Always compile these
18090 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18092 (struct insn_operand_data): Likewise.
18093 * regclass.c (regclass): We always have constraints.
18094 (record_reg_classes, copy_cost, record_address_regs,
18095 auto_inc_dec_reg_p): Always compile these functions.
18096 * regmove.c (regmove_optimize): We always have constraints.
18097 * reload.c (find_reloads): Likewise.
18098 * reload1.c (reload): Likewise.
18099 (reload_cse_simplify_operands): Likewise.
18100 * i860.c (output_delay_insn): Likewise.
18102 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18104 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18106 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18108 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18109 for the va_list record.
18111 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18113 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18116 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18118 * alias.c: Include insn-flags.h.
18119 * Makefile.in (alias.o): Update.
18121 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18123 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18124 to LTU and GEU. Handle more cases using sbb.
18126 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18128 * i386.md (truncatexfdf splitters): Do not use subreg.
18129 (fop XFmode patterns): Fix mode in operand testing.
18131 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18133 * jump.c (jump_optimize_1): Amend last change to test only the
18134 form of the operand, not the insn.
18136 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18137 not register_operand to determine when B may need preloading.
18139 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18141 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18142 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18143 (call-value patterns): Move to end of file.
18144 (*): Remove mode from label_ref in (pc) context.
18145 (movstrqi): Use memory not general_operand for BLKmode operands.
18146 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18147 to register_operand operands.
18148 (peep2 patterns): Convert from commented-out peephole patterns.
18150 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18152 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18153 to BUILT_IN_INIT_DWARF_REG_SIZES.
18154 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18155 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18156 expand_builtin_init_dwarf_reg_sizes.
18157 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18158 with __builtin_init_dwarf_reg_size_table.
18159 * dwarf2out.c (struct reg_size_range): Delete.
18160 (expand_builtin_init_dwarf_reg_sizes): New function.
18161 (expand_builtin_dwarf_reg_size): Delete.
18162 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18163 (expand_builtin_dwarf_reg_size): Don't declare.
18164 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18165 (dwarf_reg_size_table): New.
18166 (init_reg_size_table): New function.
18167 (copy_reg): Use dwarf_reg_size_table.
18168 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18171 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18173 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18174 Correctly build argument list to constructor and destructor functions.
18176 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18178 * c-tree.h (warn_float_equal): Declare.
18179 * c-decl.c (warn_float_equal): Define.
18180 (c_decode_option): Recognize -W[no-]float-equal.
18181 * c-typeck.c (build_binary_op): Conditionally warn
18182 about equality tests of floating point types.
18183 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18184 * invoke.texi: Add docs for -Wfloat-equal warning.
18186 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18188 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18189 generating RTL directly.
18190 * mips.h (INIT_TARGET_OPTABS): Likewise.
18191 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18193 * expr.h (init_mov_optab): Delete declaration
18195 * h8300.c (WORD_REG_USED): Update to avoid useless register
18196 saves in interrupt functions and functions which never return.
18198 * cse.c (struct set): Delete inner_dest_loc field.
18199 (cse_insn): Remove assignments to inner_dest_loc field.
18201 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18203 * ggc-page.c: Don't include <unistd.h> etc taken care of
18204 by "system.h". Include <sys/mman.h> afterward.
18206 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18208 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18211 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18213 * xcoffout.c (xcoffout_declare_function): Add documentation.
18214 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18215 TARGET_64BIT. Compare constant to -1, not bit pattern.
18216 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18217 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18220 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18222 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18223 origin_die is NULL.
18224 (gen_inlined_enumeration_type_die): Do not abort if the type has
18225 not been writeen out.
18226 (gen_inlined_structure_type_die): Do not abort if the type has
18227 not been writeen out.
18228 (gen_inlined_union_type_die): Do not abort if the type has
18229 not been writeen out.
18230 (gen_tagged_type_instantiation_die): Do not abort if the type
18231 has not been written out.
18233 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18235 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18237 * reg-stack.c (straighten_stack): Copy hard reg set with
18240 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18242 * builtins.c (stabilize_va_list): Stabilize array type va_list
18243 to a pointer type, not the base record type.
18244 (expand_builtin_va_copy): Dereference the pointers explicitly;
18245 use the correct size for the copy.
18247 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18248 (rs6000_va_arg): Likewise.
18250 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18252 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18254 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18256 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18258 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18260 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18262 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18263 (init_ggc): Use it instead of a constant.
18264 (ggc_collect): Bound allocated_last_gc by it.
18266 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18268 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18271 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18273 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18274 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18275 * configure: Regen.
18276 * config/mips/openbsd.h: New, OpenBSD little endian target.
18277 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18278 * config/mips/xm-openbsd.h: New, OpenBSD host.
18280 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18282 * config/m68k/m68k.c (output_function_prologue,
18283 output_function_epilogue): Use
18284 current_function_uses_pic_offset_table instead of regs_ever_live
18285 to decide whether to save/restore pic register.
18286 (legitimize_pic_address): Don't modify regs_ever_live any more.
18288 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18290 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18291 * stor-layout.c (variable_size): Don't add sizes to the pending
18292 sizes list if x_dont_save_pending_sizes_p is set.
18294 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18296 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18297 for symbolic_operand().
18298 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18300 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18302 * combine.c (gen_rtx_combine): Add missing call to va_end().
18304 * final.c (asm_fprintf): Likewise.
18306 * genattrtab.c (attr_rtx): Likewise.
18308 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18310 * cse.c: Update comments.
18311 (cse_insn): When converting a conditional/computed jump into
18312 an unconditional jump, always make sure a BARRIER immediately
18313 follows the converted jump. Do not delete unreachable code.
18314 (cse_basic_block): Do not delete unreachable code.
18315 * toplev.c (rest_of_compilation): Move call to
18316 delete_trivially_dead_insns after the conditional call to
18319 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18321 * collect2.c (make_temp_file): Don't prototype.
18323 * gcc.c (make_temp_file): Likewise.
18325 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18327 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18329 * varasm.c (asm_emit_uninitialised): New function: Generate
18330 the assembler statements necessary to declare an uninitialised
18332 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18334 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18335 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18337 (assemble_variable): Use asm_emit_uninitialised to emit an
18338 uninitialised variable.
18340 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18342 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18343 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18344 <geoffk@cygnus.com>.
18346 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18348 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18349 * c-common.h (builtin_function): Don't declare.
18351 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18353 (pushdecl): Likewise.
18354 (finish_decl): Likewise.
18355 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18356 int. All callers changed.
18357 Set the builtin's DECL_BUILT_IN_CLASS.
18358 * tree.h (enum built_in_class): New.
18359 (enum built_in_function): Delete NOT_BUILT_IN.
18360 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18362 (DECL_SET_FUNCTION_CODE): Likewise.
18363 (DECL_BUILT_IN_CLASS): New macro.
18364 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18365 (struct tree_decl): Split builtin function code field into a
18367 (builtin_function): Declare.
18369 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18371 * optabs.c (init_traps): Fix typo in last change.
18373 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18375 * toplev.c (rest_of_decl_compilation): Update comment.
18377 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18379 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18380 in .sbss if appropriate.
18381 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18382 (SBSS_SECTION_ASM_OP): New macro.
18383 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18384 (EXTRA_SECTIONS): Add in_sbss.
18385 * config/mips/mips.h: Prototype sbss_section.
18387 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18389 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18392 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18394 * optabs.c (init_traps): Register trap_rtx as a GC root.
18396 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18398 * config/mips/mips.c (function_arg_pass_by_reference): Define
18399 unconditionally, since it's called unconditionally.
18401 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18403 * toplev.c (documented_lang_options): Add -fshort-wchar.
18404 * c-decl.c (c_decode_option): Likewise.
18405 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18407 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18408 * gcc.c (default_compilers): If -fshort-wchar,
18409 override __WCHAR_TYPE__.
18410 * tm.texi (C Dialect Options): Add -fshort-wchar.
18412 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18413 symbol for a variable.
18415 * cpplib.h (CPP_PREPROCESSED): New macro.
18416 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18417 we're seeing this input for a second time.
18419 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18421 * emit-rtl.c (init_emit_once): Initialize modes first.
18423 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18425 * config/i386/i386.c (pic_label_name): Change to char pointer.
18426 (global_offset_table): New variable.
18427 (load_pic_register): Fill global_offset_table if it hasn't
18428 already been done. Allocate pic_label_name dynamically.
18429 * ggc.h (empty_string): New variable.
18430 * ggc-simple.c (empty_string): Likewise.
18431 (init_ggc): Allocate empty_string and add as root.
18432 * stmt.c (digit_strings): New variable.
18433 (init_stmt): Add last_block_end_note as root. Allocate and
18434 initialize digit_strings.
18435 (expand_asm_operands): Use empty_string instead of string
18436 constant. Use digit_strings instead of string constants.
18437 * profile.c (init_arc_profiler): Allocate string with
18438 ggc_alloc_string instead of xmalloc.
18439 (output_func_start_profiler): Likewise.
18440 * c-typeck.c (digest_init): Check if init is error_mark_node.
18442 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18443 Richard Henderson <rth@cygnus.com>
18445 * ggc-page.c: New file.
18446 * Makefile.in (ggc-page.o): New.
18448 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18450 * invoke.texi: Document -fdelete-null-pointer-checks
18451 * toplev.c (flag_delete_null_pointer_checks): New.
18452 (f_options): Add entry for -fdelete-null-pointer-checks.
18453 (rest_of_compilation): Conditionalize null pointer check
18454 elimination on flag_delete_null_pointer_checks.
18455 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18457 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18459 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18460 copyright notice and special exception to GPL.
18462 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18464 * abi64.h (mips_function_value): Add prototype arguments.
18466 * mips-protos.h: New file with mips prototypes.
18468 * mips.c: Include "tm_p.h".
18469 (mktemp, lookup_name): Add prototype arguments.
18470 (extern_list, string_constant, mips_fill_delay_slot,
18471 mips_output_external, mips_output_external_libcall,
18472 mips_output_filename, mips_declare_object, function_prologue,
18473 mips_expand_prologue, function_epilogue, mips16_constant,
18474 build_mips16_function_stub, mips_output_conditional_branch):
18476 (mips_va_start): Remove unused variable `u'.
18477 (mips_va_arg): Cast value to unsigned when comparing against one.
18479 (save_restore_insns, mips_expand_prologue): Add missing arg in
18480 call to `large_int'.
18482 * mips.h: Move prototypes to mips-protos.h.
18483 (data_section, memory_address_p, rdata_section,
18484 readonly_data_section, simple_epilogue_p, text_section): Delete
18485 prototypes delcared elsewhere.
18486 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18488 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18490 * mips.md: Delete extra args in call to `mips_move_2words'.
18492 * xm-iris6.h (alloca): Add prototype argument.
18494 * genpeep.c: Include "tm_p.h" in generated output file.
18496 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18498 * basic-block.h (find_edge_index): Change parameters.
18499 * flow.c (verify_edge_list): Pass basic_block parameters to
18500 find_edge_index instead of integers.
18502 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18504 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18507 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18509 * gcc.1: Fix a formatting error.
18511 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18513 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18514 i786, mn10200, mn10300, pdp11, v850.
18516 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18518 * libgcc2.c (num_digits): Add prototype with
18519 __attribute__((const)).
18520 (__terminate): Add prototype.
18522 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18524 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18526 * alpha/alpha.c (print_operand): Fix type of `code'.
18527 (alpha_output_filename): Constify.
18528 * alpha/alpha.h: Move all function declarations ...
18529 * alpha/alpha-protos.h: ... here. New file.
18530 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18531 (SECTION_FUNCTION_TEMPLATE): Likewise.
18533 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18535 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18536 * expr.c (expand_expr): Likewise.
18537 (do_jump): Likewise.
18538 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18539 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18541 (enum can_compare_purpose): New.
18542 (can_compare_p): Adjust prototype.
18543 (prepare_cmp_insn, prepare_operand): Declare.
18544 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18545 * optabs.c (cmp_available_p): Deleted.
18546 (expand_abs): Pass ccp_jump to can_compare_p.
18547 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18548 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18549 Call can_compare_p rather than cmp_available_p.
18550 (prepare_operand): No longer static.
18551 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18552 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18553 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18554 sequence to use emit_cmp_and_jump_insns.
18555 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18557 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18559 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18560 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18561 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18562 (plus (reg) (const_int 0))
18563 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18565 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18567 * rs6000.c (expand_block_move): DImode loads and stores require
18568 word-aligned displacements. Increment address registers with
18569 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18571 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18573 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18574 is no name for the base type, rather than segfault. If we are
18575 writing out a complex integer type, use DW_ATE_lo_user.
18577 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18578 in one word or less (complex char, complex short, or on 64 bit
18579 systems complex float) to/from a hard register, copy it through
18580 memory instead of dying in gen_{real,imag}part. If we have a
18581 short complex type, prevent inlining since it allocates stack
18584 * tree.c (build_complex_type): If we are writing dwarf2 output,
18585 generate a name for complex integer types.
18587 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18589 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18590 * flow.c (remove_edge): Remove extra whitespace.
18591 (remove_fake_edges): Fix comment.
18592 (add_noreturn_fake_exit_edges): Use the correct name.
18594 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18596 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18597 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18598 (clean): Depend on INTL_CLEAN.
18599 (maintainer-clean): Adjust.
18601 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18603 * configure.in (AC_PREREQ): Bump to 2.13.
18604 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18606 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18608 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18610 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18612 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18613 (HAVE_STRINGIZE): Define.
18615 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18617 * c-parse.in: save and restore warn_pointer_arith on __extension__
18618 along with pedantic.
18619 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18620 Set the type of extension to itype rather than $<itype>1 kludge.
18621 * extend.texi (Alternate Keywords): Adjust documentation.
18622 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18624 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18626 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18627 most assembler templates.
18629 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18630 FP loads and stores.
18631 (following_call): Always return zero for the PA8000.
18632 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18633 FP loads and stores.
18634 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18636 * pa.h (BRANCH_COST): Define.
18638 * pa.md (return, return_internal): Use bve for PA2.0.
18640 * pa.md (fused multiply): Add variants which reduce height for the
18641 fused multiply, but which still generate 2 insns.
18642 (fnegabs): Similarly.
18644 * pa.md (subsi3): Turn into an expander. Create two anonymous
18645 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18646 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18648 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18650 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18652 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18653 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18655 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18658 * flow.c (record_active_eh_regions): Terminate loop after finding
18659 the last insn in the last basic block.
18661 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18663 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18665 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18667 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18669 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18671 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18672 splitting to not use output template.
18674 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18676 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18677 * config/c4x/c4x.c (c4x_va_start): New function.
18679 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18681 * genrecog.c (not_both_true): Handle correctly cases when called for
18682 tests with different positions in the insn.
18684 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18686 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18688 * system.h (HOST_PTR_PRINTF): ... to here.
18690 * mips-tfile.c: Don't include machmode.h.
18692 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18693 (mips-tfile.o): Don't depend on machmode.h.
18695 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18697 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18698 avoid conflicts with typedef struct `region' at the top level scope.
18700 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18702 * basic-block.h (basic_block): Add eh_beg, eh_end.
18703 * flow.c (entry_exit_blocks): Update.
18704 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18705 Call new functions.
18706 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18707 lists.c functions to allocate insn lists.
18708 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18710 (make_eh_edge): ... here. New.
18711 (move_stray_eh_region_notes): New.
18712 (record_active_eh_regions): New.
18713 (delete_unreachable_blocks): Split out block merging ...
18714 (try_merge_blocks): ... here. New.
18715 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18716 Dump debugging data.
18717 (merge_blocks_move_successor_nojumps): Likewise.
18718 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18720 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18722 * extend.texi (Bound member functions): Document unbound pmf
18725 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18727 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18728 has the EXIT_BLOCK as a dest.
18730 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18732 * flow.c (remove_edge): New function to remove an edge from the
18734 (remove_fake_successors): New function to remove fake successor edges.
18735 (remove_fake_edges): New function to remove all fake edges from the
18737 (add_fake_exit_edges): New function to add fake edges from all blocks
18738 with no successors to the exit block.
18739 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18740 prototypes for new functions.
18742 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18744 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18745 Use Pmode to determine whether to output .dword or .word.
18747 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18749 * tree.c (built_in_filename): New variable.
18750 (BUILT_IN_FILENAME): New macro.
18751 (init_tree_codes): Allocate built_in_filename.
18752 (make_node): Use built_in_filename instead of string constant.
18754 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18756 * configure.in: Add fr30 target.
18757 * configure: Regenerate.
18758 * config/fr30: New directory.
18759 * config/fr30/crti.asm: New file.
18760 * config/fr30/fr30.c: New file.
18761 * config/fr30/crtn.asm: New file.
18762 * config/fr30/fr30.h: New file.
18763 * config/fr30/fr30.md: New file.
18764 * config/fr30/lib1funcs.asm: New file.
18765 * config/fr30/t-fr30: New file.
18766 * config/fr30/xm-fr30.h: New file.
18768 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18770 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18771 BARRIER at the end of the successor, not the BARRIER before
18774 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18776 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18778 * stmt.c (any_pending_cleanups): Don't crash when
18779 current_function->stmt is unset.
18781 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18783 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18784 other initializations that may use it for relative offsets.
18786 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18788 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18789 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18790 * config/i386/sol2dbg.h: Removed.
18791 * config/i386/sol2gas.h: New file, to enable gas work-around.
18792 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18793 Don't use sol2dbg.h.
18794 * configure: Rebuilt.
18796 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18798 * invoke.texi (-fthis-is-variable): Remove documentation.
18800 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18802 * basic-block.h (compute_bb_for_insn): Declare.
18803 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18804 to use; set size of basic_block_for_insn directly.
18805 (find_basic_blocks): Update.
18807 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18809 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18811 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18813 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18814 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18816 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18818 * c-decl.c (c_decode_option): Extend comment.
18820 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18822 * toplev.c (progname): Make 'const char *'
18823 (flag_print_mem): Move out of main.
18824 (version_flag): Move out of main.
18825 (filename): Move out of main.
18826 (debug_args): Remove g prefix from options.
18827 (documented_lang_options): Remove cpplib specific options.
18828 (display_help): Add g prefix to debug options.
18829 (check_lang_option): Delete this function.
18830 (decode_d_option): New function: Decode -d... option.
18831 (decode_f_option): New function: Decode -f... option.
18832 (decode_W_option): New function: Decode -W... option.
18833 (decode_g_option): New function: Decode -g... option.
18834 (independent_decode_option): New function: Decode a language
18835 independent command line option.
18836 (main): Invoke lang_decode_option and then
18837 independent_decode_option on each command line option in
18840 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
18842 Revert this change. Gavin's patch to operand_equal_p is a better fix.
18843 * fold-const.c (fold_range_test): Do not try to fold the range
18844 test if the rhs or lhs has side effects.
18846 * basic-block.h (compute_flow_dominators): Declare.
18848 * gcse.c (alloc_code_hoist_mem): New function.
18849 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
18850 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
18851 (hoist_code, one_code_hoisting_pass): Likewise.
18852 (gcse_main): If optimizing for size, then hoist expressions
18853 computed in multiple dominated basic blocks.
18855 * gcse.c (invalid_nonnull_info): New function.
18856 (delete_null_pointer_checks): Likewise.
18857 * rtl.h (delete_null_pointer_checks): Declare.
18858 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
18860 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
18861 (merge-blocks_move_successor_nojumps): Likewise.
18862 (merge_blocks): Allow merging of some blocks, even if it requires
18863 physical movement of the blocks, but not if it requires new jumps.
18865 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
18866 Callers and prototype changed.
18867 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
18869 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18871 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
18872 -YP when both -p and -pg are present. From i386/sol2.h.
18874 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18876 * Makefile.in (distclean): Delete tm_p.h.
18877 * configure.in: Create a new file, "tm_p.h", from a list in
18878 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
18879 "i386/i386-protos.h".
18881 * alias.c: Include "tm_p.h".
18882 * c-typeck.c: Likewise.
18883 * calls.c: Likewise.
18885 * emit-rtl.c: Likewise.
18886 * explow.c: Likewise.
18887 * expmed.c: Likewise.
18888 * expr.c: Likewise.
18889 * final.c: Likewise.
18890 * flow.c: Likewise.
18891 * fold-const.c: Likewise.
18892 * function.c: Likewise.
18893 * gcse.c: Likewise.
18894 * global.c: Likewise.
18895 * haifa-sched.c: Likewise.
18896 * integrate.c: Likewise.
18897 * jump.c: Likewise.
18898 * local-alloc.c: Likewise.
18899 * loop.c: Likewise.
18900 * optabs.c: Likewise.
18901 * recog.c: Likewise.
18902 * reg-stack.c: Likewise.
18903 * regclass.c: Likewise.
18904 * regmove.c: Likewise.
18905 * reload.c: Likewise.
18906 * reload1.c: Likewise.
18907 * reorg.c: Likewise.
18908 * resource.c: Likewise.
18909 * stmt.c: Likewise.
18910 * stor-layout.c: Likewise.
18911 * toplev.c: Likewise.
18912 * tree.c: Likewise.
18913 * unroll.c: Likewise.
18914 * genattrtab.c (main): Make generated file include "tm_p.h".
18915 * genemit.c (main): Likewise.
18916 * genoutput.c (main): Likewise.
18917 * genrecog.c (main): Likewise.
18919 * i386.h: Delete all prototypes.
18920 * i386.c: Include "tm_p.h".
18921 (ix86_attr_length_default): Call constant_call_address_operand
18922 with correct number of arguments.
18923 * i386-protos.h: New file.
18924 * i386.md (unnamed patterns): Call constant_call_address_operand
18925 with correct number of arguments.
18926 (exception_receiver): Call load_pic_register with correct number
18929 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
18931 * c-pragma.c (mark_align_stack): Dereference the void* properly.
18933 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
18935 * rtl.h (insns_safe_to_move_p): New function.
18936 * loop.c (find_and_verify_loops): Use it.
18937 * rtlanal.c (insns_safe_to_move_p): Define it.
18939 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
18941 * c-pragma.c: Include ggc.h.
18942 * Makefile.in (c-pragma.o): Update.
18944 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18946 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
18947 (LIB_SPEC): Likewise.
18948 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
18949 Reindent -YP/-p/-pg.
18950 Copied from config/sparc/sol2.h.
18952 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
18954 * c-pragma.c (mark_align_stack): New.
18955 (init_pragma): New.
18956 * c-pragma.h (init_pragma): Declare it.
18957 * c-lex.c (init_parse): Call it.
18959 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18961 * configure.in: Pick up thread library on Solaris/x86 just
18962 like on Solaris/sparc.
18963 * configure: Rebuilt.
18965 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
18967 * rtl.h (global_rtx_index): New enum.
18968 (global_rtl): Change to array of rtx.
18969 (pc_rtx, cc0_rtx): Redefine accordingly.
18970 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
18971 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
18972 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
18973 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
18974 (const_int_rtx): Change to array of rtx.
18975 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
18977 * emit-rtl.c (global_rtl): Change to array of rtx.
18978 (const_int_rtx): Change to aray of rtx.
18979 (gen_rtx_CONST_INT): Redefine accordingly.
18980 (init_emit_once): Allocate and initialize global_rtl. Likewise
18981 for const_int_rtx. Add both as GC roots.
18982 * genattrtab.c (global_rtl): Update declaration.
18984 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
18986 * Makefile (USER_H): Add iso646.h back.
18988 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
18990 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
18991 zapping the LOG_LINKS of sched_before_next_call.
18993 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
18994 * pa.c (insn_refs_are_delayed): Renamed from
18995 insn_sets_and_refs_are_delayed.
18997 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
18999 * functiion.h (struct function): Add x_whole_function_mode_p.
19000 (retrofit_block): Declare.
19001 * function.c (retrofit_block): New function.
19002 (identify_blocks): Add assertions. Allow an incomplete set of
19003 block notes if we're still generating code for the function.
19004 * integrate.c: Include loop.h.
19005 (expand_inline_function): Call find_loop_tree_blocks to map block
19006 notes to blocks when in whole-function mode. Use retrofit_block
19007 to insert new BLOCKs for the inlined function, rather than
19009 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19010 * Makefile.in (integrate.o): Depend on loop.h.
19012 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19014 * tree.h (warn_about_unused_variables): Declare.
19015 * stmt.c (warn_about_unused_variables): New function, split out
19017 (expand_end_bindings): Here.
19019 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19021 * stmt.c (preserve_subexpressions_p): Don't crash when
19022 current_function->stmt is unset.
19024 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19026 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19027 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19028 (expand_start_target_temps): Use it.
19029 * except.c (expand_eh_region_start_for_decl): Likewise.
19030 * expr.c (expand_expr): Likewise.
19032 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19034 * fold-const.c (operand_equal_p): Pay attention to side effects.
19036 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19038 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19039 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19041 * tlink.c (scan_linker_output): Look for keywords before accepting
19042 a mangled name in quotes.
19044 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19046 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19047 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19049 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19051 * alpha.md: Revert Thu Nov 26 change that came in through the
19052 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19053 Avoid earlyclobber when possible.
19055 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19057 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19059 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19060 Define HAVE_ON_EXIT.
19062 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19064 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19065 CTYPE_CONV in all ctype macros.
19067 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19070 * cexp.y (initialize_random_junk): Likewise.
19072 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19074 * i370.c (handle_pragma): Likewise.
19076 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19078 * v850.c (override_options): Likewise.
19080 * doprint.c (_doprnt): Likewise.
19082 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19085 * fixinc/server.c (load_data): Likewise.
19087 * fold-const.c (real_hex_to_f): Likewise.
19089 * genattr.c (write_upcase, gen_attr): Likewise.
19091 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19092 write_upcase): Likewise.
19094 * genemit.c (print_code): Likewise.
19096 * genopinit.c (gen_insn): Likewise.
19098 * genpeep.c (print_code): Likewise.
19100 * genrecog.c (print_code): Likewise.
19102 * optabs.c (init_libfuncs): Likewise.
19104 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19106 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19108 (reemit_notes): Likewise.
19110 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19112 * ggc.h (ggc_root): Move to ggc-common.c.
19114 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19115 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19116 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19117 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19118 * ggc-common.c (ggc_root): Move from ggc.h.
19119 (roots): Declare, static.
19120 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19121 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19122 null or check/set mark bit.
19123 (ggc_mark_roots): New.
19124 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19126 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19128 * m32r.c: Include toplev.h.
19129 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19130 (gen_compare): Rename swap_p to must_swap to match uses.
19131 Add default abort case.
19132 (m32r_output_function_epilogue): Remove unused variables.
19133 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19134 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19135 define to empty parameter list. Update all uses.
19136 (predicate decls): Use enum machine_mode not int.
19137 * m32r.md (movsi): Call abort, not fatal_insn.
19138 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19140 1999-09-14 Andrew Haley <aph@cygnus.com>
19142 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19143 use $0 instead of 0.
19145 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19147 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19148 computation out of loop over hard regs.
19150 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19152 * function.c (identify_blocks): Don't shadow a variable in an
19154 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19155 pushdecl, or poplevel to build up the new BLOCK tree.
19156 (expand_inline_function): Likewise.
19157 (integrate_parm_decls): Likewise.
19159 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19161 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19163 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19165 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19166 * invoke.texi: Document this change.
19168 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19170 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19172 (mark_emit_status): Renamed from mark_emit_state.
19173 * except.c (mark_eh_status): Renamed from mark_eh_state.
19174 Check not null before marking.
19175 (free_eh_status): New.
19176 * expr.c (mark_expr_status, free_expr_status): New.
19177 * function.c (free_machine_status): New.
19178 (free_after_parsing): New.
19179 (free_after_compilation): Move bits to free_after_parsing; call
19180 free_eh_status, free_expr_status; zero the marked members of the
19182 (prepare_function_start): No can_garbage_collect.
19183 Call init_eh_for_function.
19184 (expand_dummy_function_end): Free up current_function state.
19185 (mark_function_status): Renamed from mark_function_state.
19186 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19187 * function.h (struct function): No can_garbage_collect.
19188 (free_machine_status, free_after_parsing): Declare.
19189 (free_eh_status, free_expr_status): Declare.
19190 * ggc.h (mark_expr_status): Declare.
19191 * stmt.c (free_stmt_status): Free the struct.
19192 (mark_stmt_status): Renamed from mark_stmt_state.
19193 (init_stmt): Don't call init_eh.
19194 (init_stmt_for_function): Don't call init_eh_for_function.
19195 * toplev.c (compile_file): Call init_eh.
19196 (rest_of_compilation): Free basic block info before ggc_collect.
19197 Call free_after_parsing; conditionally call free_after_compilation.
19198 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19199 Check not null before marking.
19200 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19202 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19204 * c-lex.c (yylex): Initialize warn.
19206 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19208 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19209 register when performing secondary reloads for the SAR register.
19211 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19213 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19214 (NOTE_BLOCK): New macro.
19215 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19216 * function.h (identify_blocks): Change prototype.
19217 * function.c (identify_blocks): Simplify.
19218 (reorder_blocks): Likewise.
19219 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19220 NOTE_INSN_BLOCK_{BEG,END}.
19221 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19222 the list of saved notes if the note isn't a
19223 NOTE_INSN_BLOCK_{BEG,END}.
19224 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19226 (reemit_notes): Adjust recreation of notes to reflect new saved
19228 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19229 printing a block note.
19230 * stmt.c (block_vector): Remove.
19231 (find_loop_tree_blocks): Simplify.
19232 (unroll_block_trees): Likewise.
19233 * tree.h (reorder_block): Change prototype.
19235 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19237 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19238 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19239 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19240 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19241 (atexit, exit): Simplify.
19242 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19243 * config/lots: Remove defns of HAVE_ATEXIT.
19245 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19247 * calls.c (precompute_arguments): Fix typo in comment.
19248 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19251 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19253 * dsp16xx.c (override_options): Fix typos in GC root registration.
19255 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19257 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19258 from config/svr4.h.
19259 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19260 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19261 (CC1_SPEC): Likewise.
19263 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19265 * genattr.c (main): Add extern prototype. Call return, not exit.
19266 * genattrtab.c (main): Likewise.
19267 * gencheck.c (main): Likewise.
19268 * gencodes.c (main): Likewise.
19269 * genconfig.c (main): Likewise.
19270 * genemit.c (main): Likewise.
19271 * genextract.c (main): Likewise.
19272 * genflags.c (main): Likewise.
19273 * gengenrtl.c (main): Likewise.
19274 * genopinit.c (main): Likewise.
19275 * genoutput.c (main): Likewise.
19276 * genpeep.c (main): Likewise.
19277 * genrecog.c (main): Likewise.
19279 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19280 * genattrtab.c (get_insn_name): Likewise.
19281 * gencodes.c (get_insn_name): Likewise.
19282 * genconfig.c (get_insn_name): Likewise.
19283 * genemit.c (get_insn_name): Likewise.
19284 * genextract.c (get_insn_name): Likewise.
19285 * genflags.c (get_insn_name): Likewise.
19286 * genopinit.c (get_insn_name): Likewise.
19287 * genpeep.c (get_insn_name): Likewise.
19289 * gencheck.c (usage): Add static prototype.
19290 * genextract.c (print_path): Constify a char*.
19291 * genopinit.c (optabs): Likewise.
19292 * genoutput.c (operand_data, data, output_predicate_decls,
19293 compare_operands): Likewise.
19294 * genrecog.c (write_tree): Add default case in switch.
19296 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19298 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19300 * print-rtl.c (get_insn_name): Remove prototype.
19302 * toplev.h (progname): Declare const.
19304 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19305 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19306 dump_sched_info, dump_local_alloc, regset_release_memory,
19307 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19308 error_with_file_and_line, error_with_decl, error_for_asm, error,
19309 fatal, warning_with_file_and_line, warning_with_decl, warning,
19310 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19311 Remove redundant prototypes.
19313 (notice, check_lang_option, report_file_and_line, vnotice,
19314 mark_file_stack): Add static prototype.
19315 (set_fatal_function): Add prototype.
19316 (vnotice, report_file_and_line, set_fatal_function,
19317 check_lang_option): Constify a char*.
19318 (main): Prototype. Call return, not exit.
19320 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19322 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19324 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19326 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19328 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19330 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19332 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19333 behave as if it's zero in all cases.
19334 (expand_function_start): Adjust call to assign_parms.
19335 * tree.h (assign_parms): Adjust prototype.
19336 * objc/objc-act.c (hack_method_prototype): Adjust call to
19339 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19341 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19342 arg_pointer_rtx fixed if the argument pointer register is
19344 (NONZERO_BASE_PLUS_P): Likewise.
19346 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19348 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19349 match_insn2 to match_insn.
19350 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19352 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19354 * Makefile.in (USER_H): Remove va-foo.h.
19356 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19357 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19358 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19359 va-spur.h,va-v850.h}: Remove.
19361 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19363 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19364 (in_return_delay): Use it instead of match_insn.
19366 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19368 * config/alpha/va_list.h (va-alpha.h): Do not include.
19369 (__gnuc_va_list): Typedef as in varargs.h.
19371 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19373 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19374 DECL_LIVE_RANGE_RTL.
19376 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19378 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19379 not NOTE_BLOCK_NUMBER.
19380 (expand_eh_region_end): Likewise.
19381 (find_exception_handler_labels): Likewise.
19382 (scan_region): Likewise.
19383 (exception_optimize): Likewise.
19384 (update_rethrow_references): Likewise.
19385 (set_insn_eh_region): Likewise.
19386 * final.c (final_scan_insn): Likewise.
19387 * flow.c (make_edges): Likewise.
19388 * integrate.c (expand_inline_function): Likewise.
19389 * print-rtl.c (print_rtx): Likewise.
19391 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19393 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19394 terms of builtin functions and types.
19396 * mips.c (mips_build_va_list): New.
19397 (mips_va_start, mips_va_arg): New.
19398 * mips.h (BUILD_VA_LIST_TYPE): New.
19399 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19401 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19402 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19403 * sh.h (BUILD_VA_LIST_TYPE): New.
19404 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19406 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19408 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19409 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19410 (struct insn_data): Likewise with n_operands, n_dups,
19411 n_alternatives, output_format.
19412 * regclass.c (scan_one_insn): Cast n_operands to int before
19413 arithmetic inside comparison.
19415 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19417 * toplev.c (compile_function): Unconditionally emit nop.
19419 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19421 * haifa-sched.c (actual_hazard): Move declaration of variable
19422 `this_cost' into the scope where it is used.
19424 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19426 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19427 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19428 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19430 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19432 * jump.c (find_insert_position): Don't declare or define unless
19433 !HAVE_conditional_arithmetic.
19434 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19436 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19438 * recog.c (offsettable_address_p): Prototype function pointer.
19439 (preprocess_constraints): Call memset, not bzero.
19441 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19442 (gcc_obstack_init): Don't declare.
19443 (fix_sizetype): Add static prototype.
19444 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19445 (tree_cons): Call memset, not bzero.
19447 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19448 definition in macro ASM_WEAKEN_LABEL.
19449 (mark_const_hash_entry): Add static prototype.
19451 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19453 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19455 * unroll.c (find_common_reg_term, subtract_reg_term,
19456 loop_find_equiv_value): Add static prototypes.
19457 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19458 (copy_loop_body): Remove unreachable break statement.
19460 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19462 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19464 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19466 Undo some changes from the gcc2 merge:
19467 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19468 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19472 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19473 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19474 initialized float-int union if the value is a NaN.
19476 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19478 * gthr-win32.h: New file.
19480 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19481 shared as a valid attribute.
19482 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19483 * extend.texi: Document `shared' variable attribute.
19485 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19487 * configure.in: Handle --enable-threads on FreeBSD.
19488 * configure: Rebuit.
19490 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19492 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19494 * configure: Rebuilt.
19496 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19497 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19498 Rosimildo DaSilva <rdasilva@connecttel.com>
19500 * configure.in (m68k-*-rtemscoff*): Added.
19501 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19502 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19503 sparc-rtems configuration.
19504 * configure.in (sparc-*-rtemself*): Added.
19505 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19506 * config/i386/rtems.h: Added comment.
19507 * config/sparc/rtemself.h: New file.
19509 * configure.in (m68k-rtemself): Added.
19510 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19511 and DWARF_DEBUGGING_INFO.
19512 * config/m68k/crti.s: New file.
19513 * config/m68k/crtn.s: New file.
19514 * config/m68k/t-crtstuff: New file.
19515 * config/m68k/rtemself.h: New file.
19517 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19518 global ctor/dtor and C++ exception handling.
19519 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19520 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19522 * config/i386/t-rtems-i386: New File.
19524 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19526 * stmt.c (expand_end_case): Return right away if the case stack is
19529 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19531 * Makefile.in (version.c): Remove rule incorrectly brought in from
19534 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19536 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19537 * msdos/top.sed: Take into account a prepended $(SHELL) to
19539 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19541 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19543 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19545 * regmove.c (fixup_match_1): Don't change an unchanging register.
19546 (stable_but_for_p): Renamed to:
19547 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19548 Changed all callers.
19550 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19552 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19553 insn from BL2 is after the insn from BL.
19555 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19557 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19558 (struct insn_data): Merge `template' and `outfun' into `output'.
19559 Add `output_format'.
19560 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19561 (struct data): Remove `outfun'; add `output_format'.
19562 (name_for_index): Remove declaration.
19563 (output_insn_data): Handle output formats.
19564 (process_template): Emit the bare array for @.
19565 (gen_expand, gen_split): Set output_format to NONE.
19566 * output.h (get_insn_template): Declare.
19567 * final.c (get_insn_template): New.
19568 (final_scan_insn): Use it.
19569 * toplev.c (compile_file): Likewise.
19571 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19572 * i860/i860.c (output_delayed_branch): Likewise.
19573 (output_delay_insn): Likewise.
19575 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19577 * rtl.c (obstack_alloc_rtx): Removed.
19579 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19581 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19583 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19585 * i386.c (call_insn_operand): Reject const_int.
19586 (expander_call_insn_operand): Use call_insn_operand.
19588 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19590 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19592 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19594 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19595 Use DImode operation.
19597 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19599 * gcc.c: Include sys/resource.h.
19600 (report_times): New flag.
19601 (execute): If report_times is set, calculate and report the
19602 CPU time consumed by each subprocess.
19604 (rus, prus): New globals.
19605 (option_map): Add --time.
19606 (display_help): Document -time.
19607 (process_command): Set report_times if -time is given.
19608 Turn off -pipe if -time is given.
19610 * invoke.texi: Document new option -time.
19612 * configure.in: Check for getrusage. Check if we have to
19613 prototype getrusage.
19614 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19615 * configure: Regenerate.
19616 * config.in: Regenerate.
19618 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19620 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19623 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19625 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19626 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19627 (nan): Return _thenan_sf or _thenan_df as appropriate.
19628 (L_thenan_sf): Define _thenan_sf.
19629 (L_thenan_df): Define _thenan_df.
19631 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19632 (DPBIT_FUNCS): Add _thenan_df.
19634 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19636 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19639 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19641 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19644 (lang_specific_driver): Don't take a function pointer parameter.
19645 All callers changed.
19647 * gcc.c: Include gcc.h.
19648 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19649 lang_specific_extra_outfiles, fatal): Don't declare.
19650 (multilib_defaults_raw): Constify.
19651 (read_specs): Call memset, rather than bzero.
19652 (main): Call return, not exit.
19653 (lookup_compiler): Call memcpy, not bcopy.
19654 (fatal): Make extern.
19656 * cppspec.c: Include gcc.h.
19657 (lang_specific_driver): Initialize variable `quote'. Constify a
19658 char*. All calls to the function pointer parameter now
19659 explicitly call `fatal'.
19661 * gccspec.c (lang_specific_driver): Include gcc.h.
19663 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19665 * arm.c (note_invalid_constants): Use recog_data.operand_type
19668 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19670 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19673 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19674 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19675 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19676 reload_secondary_in_reload, reload_secondary_out_reload,
19677 reload_secondary_in_icode, reload_secondary_out_icode,
19678 reload_reg_rtx, reload_when_needed): Delete declarations.
19679 (struct reload): New structure.
19680 (rld): Declare new array.
19681 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19682 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19683 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19684 reload_secondary_in_reload, reload_secondary_out_reload,
19685 reload_secondary_in_icode, reload_secondary_out_icode,
19686 reload_reg_rtx, reload_when_needed): Delete definitions.
19688 (whole file): Replace uses of the deleted arrays with uses of rld.
19689 * reload1.c (whole file): Replace uses of the deleted arrays with
19691 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19692 explicit loops, not with bcopy.
19694 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19696 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19697 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19698 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19699 insn_name): Delete and consolidate into new structures.
19700 (insn_operand_predicate_fn): New.
19701 (insn_output_fn): New.
19702 (insn_gen_fn): New.
19703 (struct insn_operand_data): New.
19704 (struct insn_data): New.
19706 (OUT_FCN): Update for insn_data change.
19707 * builtins.c (expand_builtin_strlen): Likewise.
19708 (expand_builtin_memcmp): Likewise.
19709 * combine.c (make_extraction, simplify_comparison): Likewise.
19710 * cse.c (canon_reg, cse_insn): Likewise.
19711 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19712 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19713 (emit_store_flag): Likewise.
19714 * expr.c (convert_move, emit_block_move): Likewise.
19715 (clear_storage, emit_push_insn, expand_increment): Likewise.
19716 (do_store_flag): Likewise.
19717 * expr.h (GEN_FCN): Likewise.
19718 (insn_gen_function): Die.
19719 * final.c (final_scan_insn): Update for insn_data change.
19720 (output_asm_name): Likewise.
19721 * function.c (fixup_var_refs_1): Likewise.
19722 * loop.c (check_dbra_loop): Likewise.
19723 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19724 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19725 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19726 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19727 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19728 * regmove.c (gen_add3_insn): Likewise.
19729 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19730 (find_reloads, find_reloads_address_1): Likewise.
19731 (debug_reload_to_stream): Likewise.
19732 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19733 * stmt.c (expand_end_case): Likewise.
19734 * toplev.c (compile_file): Likewise.
19736 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19737 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19739 * print-rtl.c (insn_name_ptr): Remove declaration.
19740 (get_insn_name): Declare.
19741 (print_rtx): Use it.
19742 * genoutput.c (insn_name_ptr): Remove.
19743 (next_operand_number): New.
19744 (struct operand_data): New.
19745 (null_operand, odata, odata_end): New.
19746 (struct data): Use struct operand_data.
19747 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19748 (get_insn_name): Renamed from name_for_index.
19749 (output_prologue): Define NO_MD_PROTOTYPES.
19750 (output_predicate_decls): Break out from output_epilogue.
19751 Iterate over the operands list.
19752 (output_operand_data): Break out from output_epilogue. Emit
19753 just the operands list.
19754 (output_insn_data): Break out from output_epilogue. Emit just
19756 (output_epilogue): Remove.
19757 (output_get_insn_name): New.
19758 (constraints, op_n_alternatives, predicates, address_p): Die.
19759 (modes, strict_low, seen): Die.
19760 (scan_operands): Take new param `d' instead of writing to
19761 seven global variables.
19762 (compare_operands): New.
19763 (place_operands): New.
19764 (validate_insn_alternatives): Update for struct data change.
19765 (gen_insn): Don't zero or copy 7 global arrays. Update for
19766 scan_operands; call place_operands.
19767 (gen_peephole, gen_expand, gen_split): Likewise.
19768 (main): Update for new output routines.
19770 * genattr.c (insn_name_ptr): Remove.
19771 (get_insn_name): New function.
19772 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19773 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19774 * genrecog.c: Likewise.
19776 * alpha.md (adddi3): Make `pattern' array static.
19778 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19780 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19781 c4x_cpu_version_string): Constify char *.
19782 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19783 c4x_cpu_version_string): Likewise.
19785 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19787 * tree.c (save_tree_status): Revert 10 Sep change.
19788 (restore_tree_status): Likewise. Call obstack_free with NULL
19789 before freeing the obstack proper.
19791 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19793 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19795 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19796 surrounding context.
19798 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19800 * tree.c (type_hash_canon): Put all types in the hash-table, when
19803 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19805 * recog.h (struct recog_data, recog_data): New.
19806 (recog_foo variables): Kill.
19807 * recog.c (recog_operand, recog_operand_loc): Kill.
19808 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19809 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19810 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19811 (recog_data): Define.
19812 (extract_insn): Update all recog_foo references to use recog_data.
19813 (preprocess_constraints, constrain_operands): Likewise.
19814 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19815 * genattrtab.c (main): Likewise.
19816 * genextract.c (main): Likewise.
19817 * genoutput.c: Likewise.
19818 * genrecog.c (write_subroutine, main): Likewise.
19819 * local-alloc.c (block_alloc): Likewise.
19820 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19821 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19822 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19823 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19824 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19825 (reload_cse_simplify_operands): Likewise.
19827 * arc/arc.c (arc_final_prescan_insn): Likewise.
19828 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19829 * h8300/h8300.c (notice_update_cc): Likewise.
19830 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19831 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19832 * mn10200/mn10200.c (notice_update_cc): Likewise.
19833 * mn10300/mn10300.c (notice_update_cc): Likewise.
19834 * romp/romp.c (update_cc): Likewise.
19835 * sparc/sparc.c (check_pic): Likewise.
19836 * v850/v850.c (notice_update_cc): Likewise.
19838 * genemit.c (main): Don't declare recog_operand.
19840 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
19842 * ggc.h (rtvec_def): Forward declare.
19843 (tree_node): Likewise.
19844 (ggc_root): Define.
19846 (ggc_set_mark_rtx): Add prototype.
19847 (ggc_set_mark_rtvec): Likewise.
19848 (ggc_set_mark_tree): Likewise.
19849 * ggc-simple.c (ggc_root): Don't define.
19850 (roots): Don't declare.
19851 (ggc_mark_rtx): Remove.
19852 (ggc_mark_rtvec): Likewise.
19853 (ggc_mark_tree): Likewise.
19854 (ggc_mark_varray): Likewise.
19855 (ggc_mark_tree_hash_table_entry): Likewise.
19856 (ggc_mark_tree_hash_table): Likewise.
19857 (ggc_set_mart_rtx): New function.
19858 (ggc_set_mark_rtvec): Likewise.
19859 (ggc_set_mark_tree): Likewise.
19860 (ggc_add_root): Remove.
19861 (ggc_add_rtx_root): Likewise.
19862 (ggc_remove_tree_root): Likewise.
19863 (ggc_add_string_root): Likewise.
19864 (ggc_add_tree_varray_root): Likewise.
19865 (ggc_add_tree_hash_table_root): Likewise.
19866 (ggc_del_root): Likewise.
19867 (ggc_mark_rtx_ptr): Likewise.
19868 (ggc_mark_tree_ptr): Likewise.
19869 (ggc_mark_string_ptr): Likewise.
19870 (ggc_mark_tree_varray_ptr): Likewise.
19871 (ggc_mark_tree_hash_table_ptr): Likewise.
19872 * ggc-common.c: New file.
19873 * Makefile.in (OBJS): Add ggc-common.o.
19874 (ggc-common.o): List dependencies.
19876 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
19878 * cppalloc.c (xstrdup): Use memcpy.
19879 * cpperror.c (cpp_print_containing_files): Don't use
19881 * cpplib.c (conditional_skip): Set temp->lineno.
19882 (do_endif): Make error message less obscure.
19883 (if_directive_name): New function.
19884 (cpp_get_token [case EOF]): Unwind the if stack and generate
19885 error messages for each unterminated conditional in this file.
19886 (parse_string): Do not behave differently if -traditional.
19888 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
19890 * builtins.c (expand_builtin_va_arg): Cope with an array-type
19891 va_list decomposing to pointer-type.
19892 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
19893 (rs6000_va_arg): Likewise.
19895 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
19897 * except.c (start_dynamic_handler): Compute size using
19898 STACK_SAVEAREA_MODE.
19900 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19902 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
19903 include directory headers. Don't define strrchr. Don't provide
19904 my_* replacement functions. Prefer PTR over `pointer_type'.
19905 Don't prototype system functions. Don't redefine getopt.
19907 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
19908 safe_read, safe_write, save_pointers, restore_pointers,
19909 is_id_char, in_system_include_dir, directory_specified_p,
19910 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
19911 find_corresponding_lparen, referenced_file_is_newer,
19912 save_def_or_dec, munge_compile_params, gen_aux_info_file,
19913 process_aux_info_file, identify_lineno, check_source,
19914 seek_to_line, forward_to_next_token_char, output_bytes,
19915 output_string, output_up_to, other_variable_style_function,
19916 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
19917 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
19918 find_static_definition, connect_defs_and_decs, add_local_decl,
19919 add_global_decls, needs_to_be_converted, visit_each_hash_node,
19920 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
19921 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
19922 scan_for_missed_items, edit_file, string_list_cons): Add static
19924 (standard_exec_prefix, target_machine, target_version,
19925 default_syscalls_dir, string_list, string_list_cons, find_file,
19926 do_cleaning): Constify a char*.
19927 (safe_read, safe_write): Use PTR, not a char*.
19928 (is_id_char): Take an int, not a char.
19929 (main): Add prototype. Call return, not exit.
19931 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
19933 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
19934 when comparing types.
19936 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
19938 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
19939 (strength_reduce): Release the varrays from the no-bivs early exit.
19941 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
19942 the loop over the registers.
19944 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
19946 (restore_tree_status): Check that instead when freeing the obstack.
19948 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
19950 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
19953 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19955 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
19956 operand size modifiers.
19958 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19960 * c-common.c (c_common_nodes_and_builtins): Don't build
19962 * c-common.h (enum c_tree_index and related accesor macros): Remove
19963 everything now declared in tree.h.
19964 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19965 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
19966 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
19967 (error_mark_node, void_type_node, char_type_node, integer_type_node,
19968 unsigned_type_node, ptr_type_node, va_list_type_node,
19969 integer_zero_node, null_pointer_node, integer_one_node): Delete.
19970 (init_decl_processing): Call build_common_tree_nodes and
19971 build_common_tree_nodes_2 instead of building their nodes here.
19972 Don't add roots for these nodes.
19973 * stor-layout.c (size_zero_node, size_one_node): Delete.
19974 (set_sizetype): Make a new node for bitsizetype each time.
19975 * tree.c (global_trees): New variable.
19976 (init_obstacks): Add a gc root for it.
19977 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19978 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
19979 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
19980 (build_common_tree_nodes): New function.
19981 (fix_sizetype): New function.
19982 (build_common_tree_nodes_2): New function.
19983 * tree.h (enum tree_index): New.
19984 (global_trees): Declare.
19985 Add accessor macros for all nodes now moved to global_trees.
19986 Delete their declarations.
19988 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
19990 * c-decl.c (finish_function): When processing a nested function,
19991 push and pop GC context around rest_of_compilation.
19993 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
19995 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
19996 Default ix86_arch to PROCESSOR_I386.
19997 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
19998 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
19999 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20000 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20001 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20002 (EXTRA_SPECS): Remove deleted specs.
20004 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20006 * function.c (assign_stack_local_1): Allocate from
20007 function->x_frame_offset, not frame_offset.
20009 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20011 * ggc.h (lang_cleanup_tree): Remove.
20012 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20013 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20015 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20016 TYPE_LANG_SPECIFIC when garbage collecting.
20017 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20018 (lang_cleanup_tree): Remove.
20020 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20022 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20023 * crtstuff.c: Not here.
20024 * dwarf2out.c: Or here.
20025 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20028 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20030 * function.h (free_after_compilation): Remove decl parameter.
20031 (free_varasm_status0: Likewise.
20032 (free_emit_status): Likewise.
20033 (free_stmt_status): Likewise.
20034 (free_after_compilation): Likewise.
20035 (init_lang_status): New variable.
20036 (free_lang_status): Likewise.
20037 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20038 * function.c (init_lang_status): New variable.
20039 (free_lang_status): Likewise.
20040 (push_function_context_to): Don't set function::decl here.
20041 (free_after_copmilation): Make decl parameter implicit. Call
20042 free_lang_status if defined.
20043 (prepare_function_start): Call init_lang_status if defined.
20044 (init_function_start): Set function::decl here.
20045 * profile.c (output_func_start_profiler): Don't call pushdecl
20046 until we've actually started the function.
20047 * stmt.c (free_stmt_status): Make decl parameter implicit.
20048 * toplev.c (rest_of_compilation): Don't pass decl to
20049 free_after_compilation.
20050 * varasm.c (free_varasm_status): Likewise.
20052 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20054 * except.c (call_get_eh_context): Add root when allocating static
20057 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20059 * arm.c: Include "ggc.h".
20060 (arm_add_gc_roots): New function.
20061 (arm_override_options): Call it.
20062 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20064 * arm.md (define_asm_attributes): Add a pool_range attribute.
20066 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20068 * extend.texi (Volatiles): New node.
20070 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20072 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20073 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20074 (struct ggc_any): Replace `mark' with `magic_mark'.
20075 (ggc_alloc_string): Use memcpy, not bcopy.
20076 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20077 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20078 (ggc_free_any): New.
20079 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20080 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20081 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20082 Use IS_MARKED. Use ggc_free_any.
20084 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20086 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20088 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20090 * toplev.c (main): Always init_ggc.
20092 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20094 * except.c (find_all_handler_type_matches): Free the list if
20095 we found no matches.
20097 * combine.c (SUBST): Break out to a real function do_SUBST.
20098 (SUBST_INT): Likewise.
20099 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20100 (pre_insert): Free `inserted'.
20101 * loop.c (basic_induction_var): Always set `location'.
20103 * function.c (expand_function_end): Add initial_trampoline as a root.
20104 * rtl.h (init_varasm_once): Declare.
20105 * toplev.c (compile_file): Call it.
20106 * ggc-simple.c (ggc_mark_string_ptr): New.
20107 (ggc_add_string_root): New.
20108 (ggc_collect): Disable collection avoidance temporarily.
20109 * ggc.h (ggc_add_string_root): Declare.
20110 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20111 * optabs.c (init_libfuncs): Likewise.
20112 * varasm.c (named_section): Use ggc_alloc_string.
20113 (make_function_rtl): Likewise.
20114 (make_decl_rtl): Likewise.
20115 (assemble_static_space): Likewise.
20116 (assemble_trampoline_template): Likewise.
20117 (output_constant_def): Likewise.
20118 (force_const_mem): Likewise.
20119 (mark_const_hash_entry): New.
20120 (mark_pool_sym_hash_table): New.
20121 (mark_varasm_state): Use it.
20122 (init_varasm_once): New.
20124 * expr.h (init_one_libfunc): Declare.
20125 * optabs.c (init_one_libfunc): New.
20126 (init_optabs): Use it.
20127 * config/gofast.h: Likewise.
20128 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20129 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20131 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20133 * Makefile.in (cppexp.o): Depend on cpphash.h.
20134 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20136 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20137 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20138 redefining poisoned identifiers, etc.
20139 (do_undef): Don't allow poisoned identifiers to be undefined.
20140 (do_pragma): Add #pragma poison.
20141 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20143 * cccp.c: Add T_POISON node type.
20144 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20146 (do_define): Generalise to handle poisoned definitions,
20147 redefining poisoned identifiers, etc.
20148 (do_undef): Don't allow poisoned identifiers to be undefined.
20149 (do_pragma): Add #pragma poison.
20150 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20152 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20153 * c-pragma.h: Add ps_poison state. We now always have generic
20156 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20158 * ggc.h (ggc_alloc): New function.
20159 (ggc_mark): Likewise.
20160 * ggc-simple.c (ggc_any): New structure.
20161 (ggc_status): Add anys.
20162 (n_anys_collected): New variable.
20163 (ggc_alloc): Define.
20164 (ggc_mark): Likewise.
20165 (ggc_collect): Collect the anys.
20167 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20169 * c-decl.c (mark_binding_level): Make static to match prototype.
20171 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20173 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20175 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20177 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20178 will use into account. Expand the max width to 5.
20181 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20183 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20184 for the rtx length.
20186 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20188 * alpha.md (call value patterns): Remove the result predicates.
20190 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20192 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20195 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20197 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20198 changed from extern char *, to extern PTR. Also fix typo in
20199 NEED_DECLARATION_REALLOC test.
20201 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20203 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20205 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20206 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20207 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20208 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20210 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20212 * cccp.c (pcfinclude): Likewise.
20214 * global.c (allocno_compare): Likewise.
20216 * haifa-sched.c (rank_for_schedule): Likewise.
20218 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20220 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20222 * stupid.c (stupid_reg_compare): Likewise.
20224 * tree.c (_obstack_allocated_p): Likewise.
20226 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20228 1999-09-08 Bruce Korb autogen@linuxbox.com
20230 * Makefile.in: Give the hapless gperf user a hint about
20231 why "gperf -F" fails.
20233 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20235 * lists.c: Include ggc.h.
20237 (init_EXPR_INSN_LIST_cache): Install it.
20239 * ggc-simple.c (init_ggc): Absorb the old init.
20240 (ggc_push_context): Use xcalloc.
20241 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20242 (ggc_collect): Add [rvts] tags to the collection stats.
20244 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20246 * cccp.c (main): Fix handling of -include and -imacros options.
20248 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20250 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20252 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20254 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20257 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20259 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20260 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20261 and SET_DEST. Update comment.
20263 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20265 * config/c4x/c4x.c: Include ggc.h.
20266 (c4x_add_gc_roots): New function.
20267 (c4x_override_options): Call c4x_add_gc_roots.
20269 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20271 * defaults.h (TARGET_ESC): Move ...
20272 * system.h: ... here, where Linas had it in the first place. Silly me.
20274 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20276 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20277 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20278 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20279 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20280 * defaults.h (TARGET_ESC): Add default.
20282 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20284 * configure.in: add i370-*-openedition, i370-*-mvs and
20285 i370-*-linux targets
20287 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20289 * dsp16xxx.c: Include ggc.h
20290 (override_options): Mark GC roots.
20291 * mn10200.c: Include ggc.h.
20292 (asm_file_start): Mark GC roots.
20293 * tahoe.c: Include ggc.h.
20294 (extensible_operand): Mark GC roots.
20296 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20298 * README: Add section discussing status of ELF ABI.
20299 * i370.c: Fix misc spelling mistakes.
20300 (i370_label_scan): Updated notes, exception handling.
20301 (i370_function_prolog): Simplify ELF stack handling.
20302 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20303 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20304 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20305 * i370.md: (movdi): Add notes.
20306 (floatsidf2): Use stack not rtca for scratch float area.
20307 (iorsi3): Correct operand constraints.
20308 * x-oe: Restore TAROUTOPTS which are used by pax.
20310 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20312 * rs6000.c: Include ggc.h.
20313 (rs6000_add_gc_roots): New function.
20314 (override_options): Call it.
20316 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20318 * alpha.h (alpha_compare): New.
20319 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20320 * alpha.c: Likewise for the definitions.
20321 (alpha_emit_conditional_branch): Update for alpha_compare.
20322 (alpha_emit_conditional_move): Likewise.
20323 * alpha.md (cmpdf, cmpdi): Likewise.
20324 (setcc patterns): Likewise. Zero alpha_compare after use.
20325 (sne): Optimize (x != 0) into (0U < x).
20327 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20329 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20330 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20331 (INIT_EXPANDERS): Remove.
20332 * alpha.c: Include ggc.h.
20333 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20334 (alpha_init_machine_status, alpha_mark_machine_status): New.
20335 (override_options): Install them.
20336 (struct machine_function): Moved to alpha.h.
20337 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20338 (alpha_init_expanders): Remove.
20339 (alpha_return_addr): Adjust to use current_function->machine.
20340 (alpha_ra_ever_killed): Likewise.
20341 (alpha_expand_epilogue): Likewise.
20342 * alpha.md (eh_epilogue): Likewise.
20344 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20345 Melissa O'Neill <oneill@cs.sfu.ca>
20346 Geoffrey Keating <geoffk@cygnus.com>
20348 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20349 call-used registers (call-saved registers must still be contiguous
20350 and end with r31, of course).
20352 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20354 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20355 (self_promoting_type_p): Delete.
20356 (self_promoting_args_p): Move ...
20357 * c-common.c: ... here.
20358 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20359 (simple_type_promotes_to): New.
20360 * builtins.c (lang_type_promotes_to): New.
20361 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20362 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20363 * c-common.h: ... here.
20364 (self_promoting_args_p, simple_type_promotes_to): Declare.
20365 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20366 (grokdeclarator): Likewise.
20367 * tree.h (lang_type_promotes_to): Declare.
20369 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20371 Add some machine-dependent GC roots.
20372 * sparc.c: Include ggc.h.
20373 (sparc_add_gc_roots): New function.
20374 (mark_ultrasparc_pipeline_state): Likewise.
20375 (override_options): Call sparc_add_gc_roots.
20376 * pa.c: Include ggc.h.
20377 (pa_add_gc_roots): New function.
20378 (mark_deferred_plabels): Likewise.
20379 (override_options): Call pa_add_gc_roots.
20380 * mips.c: Include ggc.h.
20381 (mips_add_gc_roots): New function.
20382 (override_options): Use it.
20384 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20386 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20388 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20389 cpp_parse_expr): Add static prototypes.
20390 (parse_charconst): Don't cast away const-ness.
20391 (token): Constify a char*.
20393 * cppfiles.c (file_name_list, include_hash, find_include_file,
20394 finclude, initialize_input_buffer): Constify a char*.
20395 (file_cleanup, find_position): Add static prototypes.
20397 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20398 collect_expansion): Add static prototypes.
20399 (cpp_install, create_definition, monthnames): Constify a char*.
20401 * cpphash.h (cpp_install): Likewise.
20403 * cppinit.c (known_suffixes, default_include,
20404 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20405 (base_name, dump_special_to_buffer, initialize_dependency_output):
20406 Add static prototypes.
20408 * cpplib.c (my_strerror): Constify a char*.
20409 (null_underflow, null_cleanup, skip_comment, copy_comment,
20410 copy_rest_of_line, handle_directive, pass_thru_directive,
20411 get_directive_token, read_line_number, cpp_print_file_and_line,
20412 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20413 v_cpp_warning_with_line, detect_if_not_defined,
20414 consider_directive_while_skipping): Add static prototypes.
20415 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20416 cpp_pedwarn_with_file_and_line): Constify a char*.
20418 * cpplib.h (cpp_options, include_hash, progname, definition,
20419 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20420 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20421 find_include_file, deps_output, include_hash): Constify a char*.
20423 * cppmain.c (progname): Constify.
20424 (main): Add prototype. Use return, not exit.
20426 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20427 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20428 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20429 check_protection): Add static prototype.
20431 (progname, recognized_macrom, recognized_extern): Constify a char*.
20432 (main): Add prototype.
20434 * gen-protos.c (progname): Constify a char*.
20436 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20438 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20439 (init_emit_once): Add more GC roots.
20440 * except.c (mark_func_eh_entry): New function.
20441 (mark_eh_node): Mark false_label and rethrow_label.
20442 (init_eh): Add more GC roots.
20443 * function.c (free_after_compilation): Take decl as a paramter.
20444 Call free_stmt_status.
20445 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20447 * function.h (free_after_compilation): Change prototype.
20448 (free_varasm_status): Likewise.
20449 (free_emit_status): Likewise.
20450 (free_stmt_status): New function.
20451 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20452 Remove, replacing with ...
20453 (ggc_status): New structure.
20454 (ggc_chain): New variable.
20455 (init_gcc): Define.
20456 (ggc_push_context): New function.
20457 (ggc_pop_context): Likewise.
20458 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20459 (ggc_alloc_rtvec): Likewise.
20460 (ggc_alloc_tree): Likewise.
20461 (ggc_alloc_string): Likewise.
20462 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20463 (ggc_mark_tree): Give language-dependent code a chance to mark
20465 (ggc_mark_tree_varray): Handle empty arrays.
20466 (ggc_collect): Adjust for use of ggc_chain. Clear
20467 bytes_alloced_since_last_gc.
20468 * ggc.h (ggc_pop_context): New function.
20469 (ggc_push_context): Likewise.
20470 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20471 * stmt.c (free_stmt_status): New function.
20472 (init_stmt_for_function): Clear last_expr_value.
20473 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20474 Conditionalize call to ggc_collect.
20475 (main): Call init_ggc.
20476 * tree.c (push_obstacks): Do the push, even when GC'ing.
20477 (push_obstacks_nochange): Likewise.
20478 (pop_obstacks): Liekwise.
20479 * varasm.c (free_varasm_status): Take decl as a parameter.
20481 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20483 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20484 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20485 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20486 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20488 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20490 * pa/x-pa-mpeix: New file for the MPE port.
20492 * pa/quadlib.asm: New file for long double support.
20494 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20495 * configure: Rebuilt.
20497 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20499 * final.c (shorten_branches): Fix last change.
20501 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20503 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20505 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20507 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20510 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20512 * c-aux-info.c (concat): Don't define.
20514 * cccp.c (my_strerror): Likewise. All callers changed to use
20516 (do_include): Call xstrdup, not xmalloc/strcpy.
20517 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20518 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20520 * collect2.c (my_strsignal): Likewise. All callers changed to use
20522 (locatelib): Call xstrdup, not xmalloc/strcpy.
20524 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20526 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20528 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20530 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20532 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20534 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20536 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20538 (find_all_handler_type_matches): Likewise. Don't check return
20540 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20541 xmalloc, not malloc.
20542 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20544 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20545 (init_spec): Call xcalloc, not xmalloc/bzero.
20546 (set_spec): Call xstrdup, not save_string.
20547 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20548 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20549 (process_command): Call xstrdup, not save_string.
20550 (main): Call xcalloc, not xmalloc/bzero.
20552 * gcov.c (xmalloc): Don't define.
20553 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20554 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20555 (output_data): Call xcalloc, not xmalloc/bzero.
20557 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20559 * mips-tdump.c (xmalloc): Don't define.
20560 (print_symbol): Call xmalloc, not malloc.
20561 (read_tfile): Call xcalloc, not calloc.
20563 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20564 Don't define. All callers of xfree/my_strsignal changed to use
20565 free/strsignal instead.
20566 (allocate_cluster): Call xcalloc, not calloc.
20568 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20569 Fix memory leak, free allocated memory.
20571 * prefix.c (translate_name): Call xstrdup, not save_string.
20572 (update_path): Likewise.
20574 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20576 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20577 Don't define. Callers of xfree/savestring2 changed to use
20578 free/concat instead.
20580 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20581 (init_elim_table): Likewise.
20583 * resource.c (init_resource_info): Likewise.
20585 * stupid.c (stupid_life_analysis): Likewise.
20587 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20588 (open_dump_file): Call concat, not xmalloc/strcpy/...
20589 (clean_dump_file): Likewise.
20590 (compile_file): Call xstrdup, not xmalloc/strcpy.
20592 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20594 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20595 * v850.c (v850_va_arg): New.
20597 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20599 * haifa-sched.c: Tidy comments.
20601 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20603 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20604 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20605 $(out_object_file)): Depend on ggc.h.
20606 * c-common.c: Include "ggc.h".
20607 (combine_strings): If doing GC, use ggc_alloc_string.
20608 * c-decl.c: Include "ggc.h".
20609 (ggc_p): Define with value 0.
20610 (mark_binding_level): New function.
20611 (init_decl_processing): Add GC roots.
20612 (mark_c_function_context): New function.
20613 (lang_mark_false_label_stack): New function.
20614 (lang_mark_tree): New function.
20615 (lang_cleanup_tree): New function.
20616 * c-lang.c: Include "ggc.h".
20617 (lang_init): Call c_parse_init.
20618 * c-lex.c: Include "ggc.h".
20619 (check_linenum): If doing GC, don't copy filenames to permanent
20621 * c-parse.in: Include "ggc.h".
20622 (c_parse_init): New function.
20623 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20624 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20626 * except.c (mark_eh_state): Mark more state.
20627 * function.c (mark_function_state): Likewise.
20628 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20629 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20630 * toplev.c (mark_file_stack): New function.
20631 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20632 (main): Add root for input_file_stack.
20634 * i386.c: Include "ggc.h".
20635 (ix86_mark_machine_status): New function.
20636 (override_options): Set mark_machine_status.
20638 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20640 * tree.c (copy_node): Copy node contents also if doing GC.
20642 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20644 * collect2.c (scan_libraries): Fix double-thinko :-).
20646 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20648 * collect2.c (scan_libraries): Fix thinko.
20650 * cse.c (delete_trivially_dead_insns): Do not skip the last
20651 insn if it is a real insn.
20653 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20655 * Makefile.in (ggc-simple.o): Depend on hash.h.
20656 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20657 (ggc_mark_tree_varray): Likewise.
20658 (ggc_mark_tree_hash_table): Likewise.
20659 * ggc-simple.c: Include hash.h.
20660 (ggc_mark_tree_hash_table_ptr): New function.
20661 (ggc_mark_tree_hash_table_entry): Likewise.
20662 (ggc_mark_tree_hash_table): Likewise.
20663 (ggc_add_tree_hash_table_root): Likewise.
20664 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20665 rtx, when defining fields.
20667 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20669 * profile.c (output_func_start_profiler): Remove apparently
20670 nonsensical call to start_sequence.
20672 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20674 * clipper/clipper.c (clipper_va_start): Fix typos.
20676 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20677 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20678 (spur_va_arg): New stub.
20680 * configure.in: Comment out pyramid.
20682 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20684 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20685 don't conflict with the bits that win32, cygwin, and dgux
20688 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20689 Bernd Schmidt <bernds@cygnus.co.uk>
20691 * integrate.c (function_cannot_inline_p): Do not inline
20692 functions with forced labels.
20694 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20695 Bernd Schmidt <bernds@cygnus.co.uk>
20696 Mark Mitchell <mark@codesourcery.com>
20698 * Makefile.in (ggc-simple.o): Depend on varray.h.
20699 (rtl.o): Depend on ggc.h.
20700 (genattrtab.o): Depend on ggc.h.
20701 (print-tree.o): Likewise.
20702 (fold-const.o): Likewise.
20703 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20704 (make_insn_raw): Don't cache insns when GC'ing.
20705 (emit_insn_before): Likewise.
20706 (emit_insn_after): Likewise.
20707 (emit_insn): Likewise.
20708 (start_sequence): Use xmalloc to allocate the sequence_stack.
20709 (end_sequence): Add free to free it.
20710 (gen_sequence): Don't cache insns when GC'ing.
20711 (clear_emit_caches): Don't use sequence_element_free_list.
20712 (init_emit): Use xcalloc, not xmalloc+bzero.
20713 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20714 * function.c (pop_function_context_from): Use free to free the
20715 fixup_var_refs_queue.
20716 (put_reg_into_stack): Allocate it with xmalloc.
20717 * genattrtab.c: Include ggc.h.
20718 (operate_exp): Don't use obstack_free when GC'ing.
20719 (simplify_cond): Likewise.
20720 (simplify_text_exp): Likewise.
20721 (optimize_attrs): Likewise.
20722 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20724 (gencode): Generate a #include for ggc.h.
20725 * ggc-callbacks.c (ggc_p): Define it to zero.
20726 * ggc-none.c (ggc_p): Likewise.
20727 * ggc-simple.c: Include varray.h.
20728 (ggc_mark_tree_varray): New function.
20729 (ggc_add_tree_varray_root): Likewise.
20730 (ggc_mark_tree_varray_ptr): Likewise.
20731 * ggc.h (ggc_p): Declare.
20732 (varray_head_tag): Likewise.
20733 (ggc_add_tree_varray_root): Declare.
20734 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20735 inconsistencies when GC'ing.
20736 * rtl.c: Include ggc.h.
20737 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20738 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20739 (rtx_free): Don't call obstack_free when GC'ing.
20740 * toplev.c (rest_of_compilation): Call ggc_collect after every
20742 * tree.c (push_obstacks): Do nothing, if GC'ing.
20743 (pop_obstacks_nochange): Likewise.
20744 (pop_obstacks): Likewise.
20745 (make_node): Use ggc_alloc_tree when GC'ing.
20746 (copy_node): Likewise.
20747 (get_identifier): Use ggc_alloc_string when GC'ing.
20748 (build_string): Likewise.
20749 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20750 (tree_cons): Likewise.
20751 (build1): Likewise.
20752 (type_hash_canon): Don't call obstack_free when GC'ing.
20754 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20756 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20757 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20759 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20760 Bernd Schmidt <bernds@cygnus.co.uk>
20761 Mark Mitchell <mark@codesourcery.com>
20763 * Makefile.in (stor-layout.o): Depend on ggc.h.
20764 (expr.o): Depend on ggc.h.
20765 (profile.o): Depend on ggc.h.
20766 (stor-layout.o): Depend on ggc.h.
20767 * emit-rtl.c (init_emit_once): Add gc roots.
20768 * expr.c: Include ggc.h.
20769 (emit_block_move): Add gc roots.
20770 (clear_storage): Likewise.
20771 * expr.h (init_stor_layout_once): New function.
20772 * profile.c: Include ggc.h.
20773 (init_arc_profiler): profiler_label is a root.
20774 * scan.c (make_sstring_space): Trust xrealloc to function
20775 correctly with first parameter NULL.
20776 * stor-layout.c: Include ggc.h.
20777 (set_sizetype): Add gc root.
20778 (init_stor_layout_once): New function.
20779 * toplev.c (compile_file): Call it.
20781 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20782 Bernd Schmidt <bernds@cygnus.co.uk>
20783 Mark Mitchell <mark@codesourcery.com>
20785 * Makefile.in (tree.o): Depend on ggc.h.
20786 (varasm.o): Likewise.
20787 (function.o): Likewise.
20788 (stmt.o): Likewise.
20789 (except.o): Likewise.
20790 (optabs.o): Likewise.
20791 (emit-rtl.o): Likewise.
20792 * emit-rtl.c: Include ggc.h.
20793 (sequence_element_free_list): Remove, and all references.
20794 (mark_sequence): New functions.
20795 (mark_emit_state): New function.
20796 * except.c: Include ggc.h.
20797 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20798 (mark_tree_label_node): New functions.
20799 (mark_eh_state): New function.
20800 * function.c: Include ggc.h.
20801 (mark_temp_slot, mark_function_chain): New functions.
20802 (mark_function_state): New function.
20803 (init_function_once): New function.
20804 * function.h (init_function_once): New function.
20805 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20806 * ggc.h (label_node): Declare.
20807 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20808 (lang_mark_false_label_stack): New function.
20809 (mark_temp_slot): Remove declaration.
20810 (mark_function_chain): Likewise.
20811 (mark_eh_state): Adjust prototype.
20812 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20814 * optabs.c: Include ggc.h.
20815 (mark_optab): New function.
20816 (init_optabs): Add gc roots.
20817 * stmt.c: Include ggc.h.
20818 (mark_cond_nesting, mark_loop_nesting): New functions.
20819 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20820 (mark_stmt_state): New function.
20821 * toplev.c (compile_file): Call init_function_once.
20822 * tree.c: Include ggc.h.
20823 (type_hash): Move declaration earlier in file.
20824 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20825 (init_obstacks): Add gc roots.
20826 (mark_type_hash): New function.
20827 * varasm.c: Include ggc.h.
20828 (mark_pool_constant): New function.
20829 (mark_varasm_state): New function.
20831 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20833 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
20835 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20837 * c-decl.c (struct language_function): Renamed from struct c_function.
20839 (c_function_chain): Delete.
20840 (push_c_function_context): New arg F. Don't warn about nested
20841 functions here. Fill LANGUAGE elt of F. Delete code to update
20842 c_function_chain. Don't call push_function_context.
20843 (pop_c_function_context): New arg F. Restore from there instead of
20844 from c_function_chain. Don't call pop_function_context. Clear out
20845 LANGUAGE field of F when done.
20846 * c-lang.c: Include "function.h"
20847 (lang_init): Initialize save_lang_status and restore_lang_status.
20848 * c-parse.in (nested_function, nested_function_notype): Warn about
20849 nested functions. Call push_function_context/pop_function_context
20850 instead of the _c_ variants.
20851 * c-tree.h (push_c_function_context, pop_c_function_context): Update
20853 * Makefile.in (c-lang.o): Update dependencies.
20855 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
20856 regno_pointer_flag, regno_pointer_align.
20857 (gen_reg_rtx): Use xrealloc to enlarge them.
20858 (free_emit_status): New function.
20859 * function.c (mark_machine_status, mark_lang_status): New variables.
20860 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
20861 in some bits from assign_stack_local. All callers changed to use new
20863 (assign_stack_local): Just call assign_stack_local_1.
20864 (free_after_compilation): New function.
20865 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
20866 (trampoline_address): Likewise.
20867 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
20868 (prepare_function_start): Explicitly clear some more variables.
20869 * function.h (struct function): New elt can_garbage_collect.
20870 (mark_machine_status, mark_lang_status): Declare variables.
20871 (free_after_compilation, free_emit_status, free_varasm_status,
20872 init_varasm_status): Declare functions.
20873 * toplev.c (rest_of_compilation): Call free_after_compilation when
20874 done with the current function.
20875 * varasm.c (free_varasm_status): New function.
20877 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
20879 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
20880 (EXPAND_BUILTIN_VA_ARG): Define.
20881 * sparc.c (sparc_va_start): New.
20882 (sparc_va_arg): New.
20884 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20886 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
20888 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20890 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
20892 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
20894 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
20895 (OBJS): Add $(GGC).
20896 (ggc-callbacks.o): New target.
20897 * ggc-callbacks.c: New file.
20899 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20901 * expr.h: Collapse individual optab and libfunc vars to arrays.
20902 (optab_index, libfunc_index): New enumerations.
20903 (optab_table, libfunc_table): New arrays.
20904 Add accessor macros for both.
20906 * optabs.c (optab_table, libfunc_table): New.
20907 Delete declarations for individual optab and libfunc vars.
20909 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
20911 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
20913 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
20915 * Makefile.in (GGC, GGC_LIB): New.
20916 (HOST_RTL): Include ggc-none.o.
20917 (ggc-simple.o): New target.
20918 (ggc-none.o): Likewise.
20919 * tree.h (tree_common): Add gc_mark.
20920 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
20921 (struct rtvec_def): Add gc_mark.
20922 * emit-rtl.c (global_rtl): Update static initializers to contain
20923 enough initializers.
20924 * ggc.h, ggc-none.c, ggc-simple.c: New files.
20925 * toplev.c (gc_time): New variable.
20926 (all_time): New variable.
20927 (compile_file): Print gc time.
20928 (print_time): Calculate percentage of the whole.
20930 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20932 Change obstack memory management and varasm constant pool handling so
20933 that nested functions are treated like any other functions.
20934 * function.c (init_machine_status): New variable.
20935 (push_function_context_to): Set contains_functions for the outer
20936 function. Don't call save_varasm_status.
20937 (pop_function_context_from): Don't call restore_varasm_status. Don't
20938 set current_function_contains_functions.
20939 (prepare_function_start): Call init_varasm_status rather than
20940 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
20942 * function.h (struct function) Add field varasm. Delete fields
20943 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
20944 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
20945 (init_machine_status): Declare.
20946 (save_varasm_status, restore_varasm_status): Delete declarations.
20947 (save_tree_status, restore_tree_status): Delete last argument.
20948 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
20949 code. All callers changed.
20950 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
20951 save_constants_in_decl_trees, restore_constants, save_constants,
20952 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
20954 (inlining): New variable.
20955 (reg_map, label_map, insn_map, orig_asm_operands_vector,
20956 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
20958 (save_for_inline_nocopy): Don't save constants.
20959 Don't set inl_emit field in current_function.
20960 (expand_inline_function): Use emit field, not inl_emit, of the inlined
20961 function. Set new variable inlining before
20962 calling copy_rtx_and_substitute.
20963 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
20964 constant pool references if inlining is nonzero.
20965 Delete ADDRESS and (most of the) CONST cases.
20966 (output_inline_function): Save and restore current_function/
20967 current_function_decl. Delete restore_constants code. Don't call
20968 init_const_rtx_hash_table.
20969 * output.h (init_const_rtx_hash_table): Don't declare.
20970 * rtl.h (struct function): Declare.
20971 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
20972 * toplev.c (rest_of_compilation): Don't treat nested functions or
20973 functions containing them specially. Delete all code to deal with
20974 save_for_inline_copying.
20975 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
20976 inline_obstacks): Delete variables.
20977 (save_tree_status): Lose arg CONTEXT. All callers changed.
20978 Simply allocate a new function_maybepermanent_obstack for the new
20979 function, delete all the special cases.
20980 Don't save inline_obstacks.
20981 (restore_tree_status): Lose arg CONTEXT. All callers changed.
20982 Delete special handling for function_maybepermanent_obstack; simply
20984 Don't restore inline_obstacks.
20985 (permanent_allocation): Delete code that frees inline_obstacks.
20986 (print_inline_obstack_statistics): Delete function.
20987 (dump_tree_statistics): Don't call it.
20988 * varasm.c (struct varasm_status): New.
20989 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
20990 last_pool, pool_offset, const_double_chain): Delete global
20991 variables, replace with accessor macros.
20992 (immed_double_const): Don't walk const_double_chain outside a
20993 function, but don't treat nested functions specially anymore.
20994 (immed_real_const_1): Likewise.
20995 (clear_const_double_mem): Don't treat nested functions specially.
20996 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
20997 (save_varasm_status, restore_varasm_status): Delete functions.
20998 (init_varasm_status): New function.
20999 (force_const_mem): Don't treat nested functions specially.
21000 (find_pool_constant): Accept new arg F, search for constants in
21001 that function's pool rather than the current one. All callers
21003 (get_pool_constant_for_function, get_pool_mode_for_function): New
21006 * i386.c (init_386_machine_status): New function, mostly from
21007 clear_386_stack_locals.
21008 (struct machine_functions): Rename element names to avoid name
21010 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21011 macros, replacing global variables.
21012 (clear_386_stack_locals, save_386_machine_status,
21013 restore_386_machine_status): Delete functions.
21014 (override_options): Initialize init_machine_status.
21015 * i386.h (INIT_EXPANDERS): Delete macro.
21016 (save_386_machine_status, restore_386_machine_status,
21017 clear_386_stack_locals): Delete declarations.
21019 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21021 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21022 (doloop_begin): Simplify pattern and use emit_jump_insn.
21023 (doloop_end): Simplify pattern, switch operand order,
21024 and use emit_jump_insn.
21026 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21028 * function.h (struct function): Add new element LANGUAGE.
21029 (save_lang_status): Declare new variable.
21030 (restore_lang_status): Likewise.
21031 * function.c (save_lang_status): Define.
21032 (restore_lang_status): Likewise.
21033 (push_function_context_to): Call language-specific save function.
21034 (pop_function_context_from): Call language-specific restore function.
21036 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21038 * i386.md (movsf_1): Check REG_P before use of REGNO.
21039 (movdf_1): Likewise.
21040 (movxf_1): Likewise.
21041 (extendsfdf2): Likewise.
21042 (extendsfxf2): Likewise.
21043 (extenddfxf2): Likewise.
21045 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21047 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21048 constants into memory.
21049 (c4x_shiftable_constant): New function.
21050 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21051 (c4x_shiftable_constant): Declare.
21052 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21053 ashlqi3_noclobber): Add new patterns and associated splitters.
21055 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21057 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21058 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21059 * final.c (shorten_branches): Likewise.
21060 * global.c (global_alloc): Likewise.
21061 * haifa-sched.c (build_control_flow): Likewise.
21062 * stmt.c (check_for_full_enumeration_handling): Likewise.
21063 (estimate_case_costs): Likewise.
21065 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21067 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21069 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21071 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21072 (recompute_reg_usage): Likewise.
21073 * rtlanal.c (find_regno_fusage): Likewise.
21075 * rtl.c (rtl_check_failed_code1): New function.
21076 (rtl_check_failed_code2): New.
21077 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21078 (RTL_CHECKC1, RTL_CHECKC2): New.
21079 (XC*): New accessor macros.
21080 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21081 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21082 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21083 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21084 (TRAP_*, RANGE_INFO_*): Likewise.
21086 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21088 * Makefile.in (tlink.o): Don't depend on toplev.h.
21090 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21091 output_file, nm_file_name, ldd_file_name, strip_file_name,
21092 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21093 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21094 fork_execute, maybe_unlink, add_to_list,
21095 extract_init_priority, write_list, dump_list,
21096 dump_prefix_list, write_list_with_asm, write_c_file,
21097 write_c_file_stat, write_c_file_glob, scan_prog_file,
21098 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21099 ignore_library, extract_string, notice, dump_file, target_machine,
21100 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21101 read_file, print_load_command): Constify a char*.
21102 (fdopen, error, fatal, fatal_perror): Don't prototype.
21103 (my_strerror): Remove. All callers use xstrerror instead.
21104 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21105 (main): Add prototype. Constify lots of char* ptrs. Change calls
21106 to xcalloc/strcpy/strcat/... to one call to concat.
21107 (main, scan_prog_file, scan_libraries): Use an intermediate
21108 `const char **' to build an argv array.
21109 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21111 * collect2.h (collect_execute, collect_wait, dump_file,
21112 file_exists): Constify a char*.
21113 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21114 temporary_firstobj, vflag, debug): Add extern declarations.
21115 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21117 * tlink.c: Don't include toplev.h.
21118 (vflag, debug, ldout, c_file_name, temporary_obstack,
21119 permanent_obstack, temporary_firstobj): Don't declare.
21120 (tlink_execute, frob_extension, symbol_hash_lookup,
21121 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21122 recompile_files, read_repo_files, demangle_new_symbols,
21123 scan_linker_output): Constify a char*.
21124 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21125 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21127 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21129 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21130 (relative) rather than jsr (absolute) subroutine call insns.
21131 * config/m68k/m68k-coff.h: Ditto.
21133 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21135 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21136 now rework these too.
21137 (arm_reorg): If an insn can't reach the end of the current pool,
21138 ensure that we emit that pool before the insn.
21140 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21142 * tlink.c (scan_linker_output): Skip the initial underscore in
21143 a mangled name if appropriate.
21145 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21147 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21148 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21149 error_with_ivar, gen_declarator, create_builtin_decl,
21150 my_build_string, generate_descriptor_table, generate_ivars_list,
21151 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21152 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21153 dump_base_name, lang_decode_option, build_encode_expr,
21154 start_class, finish_class, encode_pointer, really_start_method,
21155 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21157 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21158 Add static prototypes.
21159 (build_objc_string_decl, build_selector_reference_decl,
21160 encode_bitfield, build_class_reference_decl): Remove unused
21161 parameter, all callers changed.
21162 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21163 (objc_printable_name): Likewise. Change second parameter to type int.
21164 (init_objc): Use memcpy, not bcopy, to avoid casts.
21166 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21168 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21169 reg notes on a deleted insn.
21170 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21172 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21174 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21176 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21178 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21181 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21183 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21184 * tm.texi (MD_ASM_CLOBBERS): Document it.
21186 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21188 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21189 * except.c (expand_rethrow): Remove unused variable.
21190 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21191 * flow.c (replace_insns): Likewise.
21192 (create_edge_list, verify_edge_list): Likewise.
21193 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21195 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21196 is special code to run.
21197 (main): Don't define operands to emit_operand.
21198 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21200 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21202 * alpha/alpha.h (normal_memory_operand): Declare.
21203 (reg_no_subreg_operand): Declare.
21204 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21206 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21208 * c-parse.in (compstmt_primary_start): New, broken out of first
21209 part of compstmt handling in primary.
21210 (primary): Use it. Add an error clause.
21211 (compstmt_nostart): Renamed from compstmt; remove all
21212 initial invocations of compstmt_start.
21215 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21217 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21220 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21222 * combine.c (simplify_shift_const): Remove extra semicolon.
21223 * dwarf2out.c (remove_AT): Likewise.
21224 * expmed.c (expand_mult): Likewise.
21225 * gcov.c (create_program_flow_graph): Likewise.
21226 * reorg.c (mostly_true_jump): Likewise.
21228 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21230 * fold-const.c (fold_range_test): Do not try to fold the range
21231 test if the rhs or lhs has side effects.
21233 * combine.c (simplify_rtx): Recognize another case of a synthesized
21236 * varasm.c (mark_constant_pool): When marking indirect references,
21237 only look at SYMBOL_REFs.
21239 * except.c (expand_fixup_region_end): Do not peek at
21240 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21242 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21244 * flags.h: New variables align_loops, align_loops_log,
21245 align_jumps, align_jumps_log, align_labels, align_labels_log,
21246 align_functions, align_functions_log.
21247 * toplev.c: Define them.
21248 (f_options): Handle -falign-* when they have no argument.
21249 (main): Add logic to set variables for -falign-functions,
21250 -falign-jumps, -falign-labels, -falign-loops.
21251 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21252 (display_help): Change help to match options.
21253 * final.c (LABEL_ALIGN): Default to align_labels_log.
21254 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21255 (LOOP_ALIGN): Default to align_loops_log.
21256 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21257 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21258 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21259 * varasm.c (assemble_start_function): Handle align_functions.
21261 * config/sparc/sparc.h: Don't declare sparc_align_*.
21262 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21263 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21265 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21267 * config/sparc/sparc.c: Delete sparc_align_loops,
21268 sparc_align_jumps, sparc_align_funcs and the corresponding string
21270 (sparc_override_options): Default align_functions on ultrasparc.
21271 Delete -malign-* handling.
21273 * config/mips/mips.c (override_options): On 64-bit targets,
21274 try to align code to 64-bit boundaries.
21275 (print_operand): New substitution, %~,
21276 which aligns labels to align_labels_log.
21277 * config/mips/mips.md (div_trap_normal): Use %~.
21278 (div_trap_mips16): Likewise.
21280 (absdi2): Likewise.
21281 (ffssi2): Likewise.
21282 (ffsdi2): Likewise.
21283 (ashldi3_internal): Likewise.
21284 (ashrdi3_internal): Likewise.
21285 (lshrdi3_internal): Likewise.
21286 (casesi_internal): Likewise.
21288 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21290 Merge new ia32 backend from the branch!
21292 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21293 See ChangeLog.P2 on new_ia32_branch for details.
21295 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21296 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21297 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21298 * i386/gas.h (ASM_FILE_START): Define.
21299 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21300 for name change of ix86_valid_decl_attribute_p.
21301 (i386_pe_valid_type_attribute_p): Similarly.
21303 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21305 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21306 to step through CC modes.
21308 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21310 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21311 it would end up in the shadow of a live flags regsiter.
21313 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21315 * reload1.c: Fix many indentation problems.
21316 * reload.c: Likewise.
21318 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21320 * alias.c (non_local_reference_p): Constify fmt.
21322 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21324 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21326 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21328 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21329 the internal_arg_pointer.
21331 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21333 Merge peephole2 from new_ia32_branch:
21334 * Makefile.in (STAGESTUFF): Add *.peephole2.
21335 (mostlyclean): Likewise.
21336 (recog.o): Depend on resource.h.
21338 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21339 (final_scan_insn): Likewise for the invocation of peephole.
21340 * genconfig.c (main): Look for peephole and peephole2 patterns.
21341 Emit HAVE_peephole* accordingly.
21342 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21343 * flags.h (flag_peephole2): Declare.
21344 * toplev.c: New pass peephole2. New flag -fpeephole2.
21346 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21347 * gencodes.c (main): Likewise.
21348 * genextract.c (main): Likewise.
21349 * genoutput.c (main): Likewise.
21350 * genemit.c (max_operand_1): Look for the max scratch operand.
21351 (gen_rtx_scratch): New.
21352 (gen_exp): Use it, and pass on new arg subroutine_type.
21353 (gen_expand): Take max scratch into account.
21354 (gen_split): Emit peephole2 functions.
21355 (output_peephole2_scratch): New.
21356 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21357 * genrecog.c (routine_type): Add PEEPHOLE2.
21359 (make_insn_sequence): Match outer parallel for peep2. Discard
21360 top level scratches and dups.
21361 (add_to_sequence): New args insn_type and top. Update all callers.
21362 Handle toplevel peep2 matching insns.
21363 (write_subroutine): Handle peep2.
21364 (write_tree_1): Likewise.
21365 (write_tree): Likewise.
21367 (change_state): New arg afterward. Update all callers.
21368 Handle matching separate insns.
21369 * recog.c (recog_next_insn): New.
21370 (peephole2_optimize): New.
21371 * rtl.def (DEFINE_PEEPHOLE2): New.
21372 * resource.c (find_free_register): New argument last_insn. Use it
21373 to find a register available through the entire span.
21374 * resource.h (find_free_register): Update prototype.
21376 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21378 * i386.c (output_strlen_unroll): Don't write xops[7]
21379 label if it wasn't set.
21381 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21383 * cpplib.c (struct directive): Const-ify name pointer and
21384 function pointer prototype.
21385 (validate_else, do_define, do_line, do_include, do_undef,
21386 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21387 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21388 do_warning): Const-ify second arg.
21389 (directive_table): Mark const. Reorder entries by frequency
21390 of usage, record statistics.
21392 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21394 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21395 bounds- check RTL accesses if --enable-checking.
21396 (RTVEC_ELT): Bounds check if --enable-checking.
21397 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21398 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21399 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21401 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21402 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21404 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21405 (NOTE_SOURCE_FILE): Use X0STR.
21406 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21407 MEM_ALIAS_SET): Use X0INT.
21408 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21409 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21411 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21412 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21413 (rtl_check_failed_bounds, rtl_check_failed_type1,
21414 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21416 (fancy_abort): Fix comment.
21418 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21419 (cse_insn): Decrement LABEL_NUSES for jump target before
21420 deleting jump insn.
21421 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21422 * final.c (alter_subreg): Compute regno before changing x to
21423 REG; set REGNO(x) after changing it.
21424 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21425 notes containing CONST_INTs.
21426 (delete_eh_regions): Use NOTE_EH_HANDLER.
21427 * function.c (put_reg_into_stack): Make reg a MEM before
21429 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21431 (gen_mem_addressof): Make reg a MEM before initializing it.
21432 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21434 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21435 deleting an insn, not after.
21436 (block_alloc): Only look at PATTERN(insn) if we have to, and
21437 only if it's format class 'i'.
21438 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21439 CONST_INT before using its INTVAL.
21440 * print-rtl.c (print_rtx): Use X0STR.
21441 * regmove.c (fixup_match_1): Don't look at PATTERN of
21442 non-class-'i' insn chain elements.
21443 * reload.c (loc_mentioned_in_p): Take address of
21444 in->fld[1].rtx directly.
21445 * reload1.c (reload): Change reg to a MEM before initializing
21447 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21449 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21451 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21453 * config/mips/mips.c (machine_dependent_reorg): Force a
21454 barrier to output the local constant pool if a barrier hasn't
21455 been found at a natural point in the instruction stream.
21457 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21459 * c-parse.in (language_string): Constify.
21461 * dwarf2out.c (language_string): Remove declaration.
21463 * dwarfout.c (language_string): Likewise.
21465 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21467 * tree.h (language_string, init_parse, finish_parse): Declare.
21469 * i386/sun386.h (language_string): Remove declaration.
21471 * mips.h (language_string): Likewise.
21473 * nextstep.h (language_string): Likewise.
21475 * nextstep21.h (language_string): Likewise.
21477 * rs6000.c (language_string): Likewise.
21479 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21481 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21482 (getpwd.o): Remove target.
21484 * getpwd.c: Delete file. Its in libiberty now.
21486 * dbxout.c (getpwd): Don't prototype.
21487 * dwarf2out.c (getpwd): Likewise
21488 * dwarfout.c (getpwd): Likewise
21489 * final.c (getpwd): Likewise.
21490 * protoize.c (getpwd): Likewise.
21492 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21494 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21496 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21498 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21499 mark_set_resources.
21501 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21503 * fixinc/Makefile.in (subdir): New.
21504 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21507 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21509 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21510 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21513 * invoke.texi: Fix typo.
21515 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21516 changed. Handle autoincrement addressing modes.
21518 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21519 just like we would the virtual incoming args register when
21522 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21524 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21525 path, in .file directive.
21527 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21529 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21532 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21534 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21537 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21539 * tree.c (tree_code_name): Constify a char*.
21541 * tree.h (tree_code_name, decl_printable_name): Likewise.
21543 * function.h (struct function): Likewise.
21545 * toplev.c (decl_name, decl_printable_name): Likewise.
21547 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21549 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21550 (init_objc): Remove function pointer cast.
21552 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21554 * pa.md (interspace_jump): New pattern.
21555 (builtin_longjmp): New expander.
21557 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21559 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21560 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21561 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21563 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21565 * jump.c (delete_prior_computation): Also check calls
21566 to constant functions. Don't bother checking for a
21567 REG_UNUSED note before adding it.
21568 (delete_computation): Handle multi-word hard registers
21569 when synthesizing missing REG_DEAD notes for a register
21570 which is both set and used by an insn.
21572 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21574 * loop.c (this_loop_info): New variable.
21575 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21576 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21578 (prescan_loop, strength_reduce): New argument loop_info. All callers
21580 (scan_loop): New variable loop_info, initialise to address of
21582 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21583 Delete variable loop_has_multiple_exit targets and replace with
21584 field in this_loop_info.
21585 (find_and_verify_loops): Rename this_loop to this_loop_num.
21586 (strength_reduce): Delete loop_iteration_info. Replace variable
21587 loop_info with function argument of same name.
21588 (insert_bct): Rework test for loop being completely unrolled.
21590 * loop.h (struct loop_info): New fields num, loops_enclosed,
21591 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21592 has_indirect_jump, and cont. Redefine use of unroll_number.
21593 (loop_unroll_number): Delete.
21595 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21596 field of loop_info.
21597 (loop_iterations): Delete variable vtop and instead use
21598 loop_info->vtop computed in prescan_loop.
21600 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21602 * fix-header.c (main): Do not pass a null pointer to strcmp.
21604 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21606 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21608 * configure: Rebuilt.
21610 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21612 * jump.c (jump_optimize_1): Do not delete assignments to
21613 internal_arg_pointer.
21614 * cse.c (delete_trivially_dead_insns): Always consider a set of
21615 the internal_arg_pointer live.
21617 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21619 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21620 (update_life_info) [REG_WAS_0]: Search the original insns rather
21621 than the new insns for the note. Fix typos finding note_dest.
21622 If no dest found, discard the note rather than abort.
21623 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21624 (replace_insns): Remove the old insn list after update_life_info
21627 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21629 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21630 sched_analyze_insn.
21631 (sched_analyze_1): Let add_dependence care for not adding dups.
21632 (sched_analyze_2): Likewise.
21633 (add_branch_dependences): Likewise.
21635 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21637 * i386/winnt.c (export_list): New type.
21638 (exports_head): Rename to
21639 (export_head): this.
21640 (i386_pe_record_exported_symbol): Add is_data flag.
21641 (i386_pe_asm_file_end): Emit directive for exported variables.
21642 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21644 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21645 (ASM_DECLARE_OBJECT_NAME): Likewise.
21646 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21647 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21649 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21651 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21653 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21656 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21658 * config/openbsd.h: Define SET_ASM_OP.
21659 * tm.texi: cross-reference SET_ASM_OP in the index.
21661 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21663 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21664 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21665 and class_narrowest_mode at compile time. Kill init_rtl.
21666 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21667 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21668 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21670 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21672 * rtl.h: Declare rtx_length and rtx_format as const.
21673 * machmode.def: Define CC(). Use CC() to define CCmode. If
21674 EXTRA_CC_MODES is defined, expand it here.
21675 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21676 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21677 const. Kill all references to EXTRA_CC_MODES.
21679 * toplev.c: Don't prototype or call init_rtl.
21680 * optabs.c: Don't call init_mov_optab.
21681 * genemit.c: Don't generate init_mov_optab. Don't call
21683 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21685 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21686 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21687 genrecog.c: Don't call init_rtl.
21689 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21690 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21691 definition of EXTRA_CC_MODES.
21693 * md.texi: Kill ref to EXTRA_CC_NAMES.
21694 * tm.texi: Document new way to define EXTRA_CC_MODES.
21696 * genrecog.c: Do not look up the name of a define_split.
21697 (Unrelated bugfix.)
21699 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21701 * config/v850/v850.md: Fix typo introduced by previous delta.
21703 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21705 * gcc.c (fatal): Make definition static to match prototype.
21707 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21709 * combine.c (get_last_value): Don't look for earlier sets if the last
21710 known set is somewhere in between the insns being combined.
21712 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21714 * configure.in: Don't use shell ! to negate exit codes
21715 * configure: Regenerate
21717 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21719 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21720 the fact that ALIGN is measured in bits, not bytes.
21722 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21724 * errors.c: New file; defines functions error, warning, and
21725 fatal, variables have_error and progname.
21726 * errors.h: New file; prototypes and decls for stuff in errors.c.
21728 * Makefile: Add rules to build errors.o and
21729 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21730 genopinit, genrecog, genextract, genpeep, genattr, and
21731 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21732 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21733 genpeep.o, genattr.o, and genoutput.o.
21735 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21736 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21737 define or prototype fatal. Set progname at beginning of main.
21738 * genoutput.c: Likewise, and don't define or prototype error
21741 * c-typeck.c (c_expand_start_case): Return immediately if exp
21743 * fold-const.c (operand_equal_p): Return immediately if arg1
21744 or arg0 are ERROR_MARKs.
21745 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21746 fields of type ERROR_MARK when calculating if the record can
21749 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21750 with much help from Jeffrey A Law and Richard Henderson
21752 * i386.md: In the 6 insns which call output_fix_trunc,
21753 earlyclobber operands[0].
21755 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21757 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21758 creating new registers.
21760 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21762 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21763 i386_reg_alloc_order, i386_regparm_string,
21764 i386_align_loops_string, i386_align_jumps_string,
21765 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21766 and i386_branch_cost_string as type "const char *".
21767 * i386.c: Define all above strings as type "const char *".
21769 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21771 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21772 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21774 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21776 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21777 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21779 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21781 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21782 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21783 (dwarf2out_line, dwarf2out_finish): Likewise.
21784 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21786 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21788 * tree.c (lang_unsave_expr_now) : Correct return type.
21789 * tree.h (lang_unsave_expr_now) : Same.
21791 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21793 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21794 instead of duplicating code.
21796 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21798 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21800 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21802 * tree.h: fancy_abort always takes three args.
21803 * resource.c: Move include of system.h before toplev.h.
21805 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21807 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21810 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21812 * system.h: Don't redefine abort or trim_filename.
21813 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21814 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21815 whether or not __FUNCTION__ is available.
21816 * tree.h: Duplicate rtl.h's definition of abort, for files
21817 that don't include rtl.h. Delete all code to perform type
21818 checking with a compiler other than GCC.
21819 * varray.h: Delete all code to perform type checking with a
21820 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21821 its arguments exactly once, using a statement expression.
21822 Adjust the VARRAY_<type> accessor macros to match.
21823 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21824 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21825 caller's location. Define fatal_insn and fatal_insn_not_found
21826 as macros that use _fatal_insn and _fatal_insn_not_found.
21827 (fancy_abort, trim_filename): Kill prototypes.
21829 * rtl.c (trim_filename): Move here from toplev.c.
21830 (fancy_abort): New function.
21831 (DIR_SEPARATOR): Provide default definition.
21832 * tree.c (tree_check_failed, tree_class_check_failed): Go
21833 through fancy_abort.
21834 (tree_check, tree_class_check, cst_or_constructor_check,
21835 expr_check): Delete.
21836 * varray.c (varray_check_failed): New function.
21837 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
21838 _fatal_insn and _fatal_insn_not_found. Go through
21840 (trim_filename, fancy_abort): Delete.
21842 * builtins.c (expand_builtin_args_info): Report ICE with abort.
21843 * except.c (start_catch_handler): Report ICE with error/abort
21845 * final.c (output_operand_lossage): Likewise.
21846 * flow.c (verify_flow_info): Likewise.
21848 * gcc.c: Prototype fatal.
21849 * gengenrtl.c: Undef abort after including rtl.h not system.h.
21850 * genattr.c, genattrtab.c, genemit.c, genextract.c,
21851 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
21852 Don't define fancy_abort.
21854 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
21856 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
21859 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
21861 * m88k.h (VERSION_INFO2): Kill.
21862 (VERSION_STRING): Kill.
21864 (VERSION_INFO1): Tidy.
21865 (TARGET_VERSION): Update.
21866 * m88k/dgux.h (VERSION_INFO2): Kill.
21867 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
21868 * m88k/luna.h (VERSION_INFO1): Tidy.
21869 * m88k/sysv4.h (VERSION_INFO1): Likewise.
21870 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
21871 (output_file_start): Adjust for death of VERSION_STRING.
21873 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
21875 * cpplib.c (detect_if_not_defined): New function.
21876 (do_if): Use it to detect potential once-only headers.
21878 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
21880 * c-common.c (combine_strings): Always set TREE_CONSTANT.
21882 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21884 * combine.c (nonzero_bits) : Allow single-ly set registers to be
21885 anywere in the function only if they are pseudos and set before
21886 being used (not live at the start of the function).
21887 (num_sign_bit_copies) : Same.
21888 (get_last_value_validate) : Same.
21889 (get_last_value) : Same.
21891 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
21893 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
21894 where N and M are constant and N is an integer multiple of M.
21896 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21898 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
21899 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
21900 sbitmap_union_of_preds): Add prototypes.
21901 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
21902 the intersection of successors with the new flow graph structures.
21903 (sbitmap_intersection_of_preds): New function to compute the
21904 intersection of predecessors with the new flow graph structures.
21905 (sbitmap_union_of_succs): New function to compute the union of
21906 successors with the new flow graph structures.
21907 (sbitmap_union_of_preds): New function to compute the union of
21908 predecessors with the new flow graph structures.
21909 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
21910 (expr_reaches_here_p): Use edge and basic_block structures instead
21911 of s_preds and s_succs.
21912 (compute_cprop_avinout): Use new sbitmap routines.
21913 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
21914 of s_preds and s_succs.
21915 * flow.c (compute_flow_dominators): Compute dominators using
21916 edges and basic blocks instead of s_preds and s_succs.
21918 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21920 * lists.c (unused_insn_list, unused_expr_list): New file for
21921 maintaining various types of lists. New statics for maintaining a
21922 cache of available INSN_LIST and EXPR_LIST nodes.
21923 (free_list): Static function for freeing a list of INSN/EXPR nodes.
21924 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
21925 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
21926 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
21927 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
21928 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
21929 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
21930 (free_INSN_LIST_node): Free an individual INSN_LIST node.
21931 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
21932 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
21933 (remove_dependence, free_pending_lists): Use new global routines.
21934 (flush_pending_lists, sched_analyze_insn): Use new global routines.
21935 (sched_analyze, compute_block_backward_dependences): Use new routines.
21936 (sched_analyze_1, sched_analyze_2): Use new routines.
21937 (schedule_insns): Use new global routines.
21938 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
21940 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
21941 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
21943 * toplev.c (rest_of_compilation): Initialize node cache.
21944 * Makefile.in (OBJS): Add lists.o to list of object files.
21945 (lists.o): Add dependancies.
21947 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
21949 * config/v850/v850.md: Fix compile time warning messages.
21950 * config/v850/v850.c: Fix compile time warning messages.
21951 * config/v850/v850.h: Fix compile time warning messages.
21953 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21955 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
21956 Remove unused prototype for `init_lengths'.
21958 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21960 * calls.c (emit_call_1): Mark parameter `stack_size' with
21962 (expand_call): Initialize variable `insn'.
21963 (emit_library_call): Likewise for variable `high_to_save'.
21964 (emit_library_call_value): Likewise.
21965 (store_one_arg): Likewise for variables `lower_bound' and
21968 * combine.c (try_combine): Likewise for variables `i2_code_number'
21969 and `other_code_number'.
21970 (find_split_point): Likewise for variables `pos', `unsignedp' and
21972 (simplify_if_then_else): Likewise for variables `op' and `c1'.
21973 (simplify_and_const_int): Remove unused variable `width'.
21974 (merge_outer_ops): Likewise.
21976 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
21977 HOST_WIDE_INT' when comparing against one.
21978 (simplify_relational_operation): Likewise.
21979 (cse_insn): Initialize variables `src_eqv_volatile',
21980 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
21982 * final.c (init_final): Constify parameter `filename'.
21983 (final_start_function): Mark parameter `optimize' with
21985 (profile_function): Likewise for parameters `first' and `optimize'.
21986 (output_source_line): Likewise for parameter `file'.
21988 * integrate.c (subst_constants): Cast a value to `size_t' when
21989 comparing against one.
21990 (mark_stores): Initialize variable `mode'. Cast a value to
21991 `size_t' when comparing against one.
21993 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
21995 * loop.c (move_movables): Initialize variable `first'.
21996 (strength_reduce): Likewise for variable `increment'.
21997 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
21998 value to `size_t' when comparing against one.
21999 (load_mems): Initialize variable `end_label'.
22001 * output.h (init_final): Constify parameter.
22003 * reload.c (decompose): Initialize variable `base'.
22005 * reload1.c (reload): Likewise for variable `is_scalar'.
22006 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22007 (choose_reload_regs): Initialize variable `mode'.
22008 (emit_reload_insns): Likewise for variable `store_insn'.
22009 (reload_cse_noop_set_p): Mark parameter `insn' with
22011 (reload_combine): Initialize variable `set'.
22013 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22014 (copy_loop_body): Cast a value to `size_t' when comparing against
22017 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22018 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22019 (remove_from_pending_weak_list): Mark parameter `name' with
22022 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22024 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22027 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22029 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22030 (ASM_DECLARE_FUNCTION_NAME): Define.
22031 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22032 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22033 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22034 not already defined.
22036 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22038 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22039 of n_popped when call/call_value are not defined.
22041 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22043 * tm.texi: GNU CC -> GCC conversion.
22044 (CC1_SPEC): Indicate it is used for all language front ends.
22046 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22048 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22049 NOTE_INSN_EH_REGION_END correctly.
22051 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22052 Jeff Law <law@cygnus.com>
22054 * loop.c (strength_reduce): Automatically unroll loops if the
22055 unrolled loop size is smaller than the rolled loop size.
22057 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22058 and delete comment that code should be rewritten.
22060 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22062 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22065 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22067 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22069 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22070 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22071 (LINK_SPEC): Add -u _main when building executables.
22072 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22073 (ASM_FILE_END): Use the default for ix86-pe.
22074 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22076 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22078 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22079 and ASM_CLOSE_PAREN are empty strings.
22081 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22082 Geoffrey Keating <geoffk@cygnus.com>
22084 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22085 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22086 (unprotoize.o): Ditto.
22087 (test-protoize-simple): Don't define STD_PROTO_DIR.
22088 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22089 changes to make 'test-protoize-simple' pass.
22090 (STD_PROTO_DIR): Remove define.
22091 (STANDARD_EXEC_PREFIX): Supply default define.
22092 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22093 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22094 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22095 (GET_ENV_PATH_LIST): New macro.
22096 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22097 (do_processing): Initialize default_syscalls_dir using new
22098 macros. Use it to initialize syscalls_absolute_filename.
22100 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22102 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22103 B into a register before emit_conditional_move.
22105 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22107 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22108 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22109 multiplicand out of (+ (* a b) (* c d)).
22111 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22112 Richard Henderson <rth@cygnus.com>
22114 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22115 (new_insn_dead_notes): Likewise.
22116 (update_n_sets): Likewise.
22117 (update_flow_info): Move to flow.c, renamed to update_life_info;
22118 extend to handle multiple source insns.
22119 * flow.c: Include resource.h
22120 (unlink_insn_chain): New.
22121 (split_hard_reg_notes): New.
22122 (maybe_add_dead_note): New.
22123 (maybe_add_dead_note_use): New.
22124 (find_insn_with_note): New.
22125 (new_insn_dead_notes): New.
22126 (update_n_sets): New.
22127 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22128 (maybe_remove_dead_notes): New.
22129 (update_life_info): New.
22130 (prepend_reg_notes): New.
22131 (replace_insns): New.
22132 * output.h (update_life_info): Declare.
22133 * recog.c (split_block_insns): Use update_life_info.
22134 * resource.c (find_free_register): Use reg_alloc_order, don't use
22135 fixed regs, make sure the mode is supported, don't use new regs.
22137 * rtl.h (replace_insns): Declare.
22139 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22141 * expr.c (expand_expr): Cope with COND_EXPRs with one
22142 non-returning branch.
22144 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22146 * expr.c (store_expr): Always pass down the target, even when not
22149 1999-08-24 Nick Clifton <nickc@cygnus.com>
22151 * configure.in: Define target_cpu_default for v850 targets.
22152 * configure: Regenerate
22154 * config/v850/v850.h (TARGET_CPU_generic): Define.
22155 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22156 addresses are 4 byte aligned.
22158 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22161 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22163 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22164 (main): Add prototypes.
22166 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22167 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22168 (write_attr_get): Emit prototypes along with function definition.
22169 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22170 (write_complex_function): Emit static prototype along with
22171 function definition.
22173 * genemit.c (gen_split): Emit prototypes along with function
22176 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22177 Likewise for predicates and `insn_operand_predicate'.
22178 (process_template): Emit static prototype along with function
22181 * genrecog.c (make_insn_sequence): Constify a char*. Add
22182 prototypes for get_split_*().
22183 (write_subroutine): Emit prototypes along with function
22186 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22188 * gcse.c (find_avail_set): Follow chains of register-register copies.
22189 Use oprs_not_set_p to guarantee that the returned value can be
22191 (cprop_insn): Don't verify the return value of find_avail_set with
22194 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22195 (cprop_cc0_jump): New function.
22196 (cprop_insn): Break out new function cprop_jump and use it.
22197 Also use cprop_cc0_jump for machines with CC0.
22198 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22200 * tree.h (current_function_calls_setjmp,
22201 current_function_calls_longjmp): Delete declarations.
22202 * dsp16xx.c: Include "function.h".
22203 * elxsi.c: Likewise.
22204 * gmicro.c: Likewise.
22205 * h8300.c: Likewise.
22206 * i370.c: Likewise.
22207 * m32r.c: Likewise.
22208 * mn10200.c: Likewise.
22209 * mn10300.c: Likewise.
22210 * ns32k.c: Likewise.
22211 * spur.c: Likewise.
22212 * v850.c: Likewise.
22214 * rtl.h (rtx_equal_function_value_matters): Declare.
22215 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22217 * function.c: Likewise.
22218 * emit-rtl.c: Likewise.
22220 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22222 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22225 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22227 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22230 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22232 * cpp.texi: Add a node documenting macro varargs (copied
22235 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22237 * cppspec.c: Put a null pointer at the end of the new argv.
22239 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22241 * configure.in: Remove code to select/de-select the haifa
22242 scheduler. Every scheduled port gets haifa now.
22243 * configure: Rebuilt.
22244 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22246 * Makefile.in: Corresponding changes.
22248 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22250 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22251 All callers changed.
22252 (prepare_float_lib_cmp): Likewise.
22253 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22254 * expr.h (emit_float_lib_cmp): Delete declaration.
22255 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22256 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22257 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22259 (cmptf): Now conditional on TARGET_HARD_QUAD.
22261 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22263 * resource.c (mark_target_live_regs): Use
22264 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22266 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22268 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22270 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22272 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22274 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22276 * rtl.h (rtx_format): Constify a char*.
22278 * rtl.c (rtx_format): Likewise.
22279 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22280 (init_rtl): Use accessor macro, not `rtx_format'.
22282 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22285 * caller-save.c (mark_referenced_regs): Likewise.
22287 * combine.c (subst, make_compound_operation, known_cond,
22288 gen_rtx_combine, update_table_tick, get_last_value_validate,
22289 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22291 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22292 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22293 count_reg_usage): Likewise.
22295 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22298 * final.c (leaf_renumber_regs_insn): Likewise.
22300 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22301 dump_edge_info, count_reg_references): Likewise.
22303 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22304 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22307 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22308 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22309 add_label_notes): Likewise.
22311 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22312 clear_struct_flag, count_sub_rtxs, count_alternatives,
22313 compares_alternatives_p, contained_in_p, walk_attr_value,
22314 write_expr_attr_cache): Likewise.
22316 * genconfig.c (walk_insn_part): Likewise.
22318 * genemit.c (max_operand_1, gen_exp): Likewise.
22320 * genextract.c (walk_rtx): Likewise.
22322 * genflags.c (num_operands): Likewise.
22324 * genoutput.c (scan_operands): Likewise.
22326 * genpeep.c (match_rtx): Likewise.
22328 * genrecog.c (add_to_sequence): Likewise.
22330 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22333 * integrate.c (save_constants, copy_for_inline,
22334 copy_rtx_and_substitute, subst_constants, restore_constants):
22337 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22338 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22340 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22343 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22344 add_label_notes, replace_call_address, count_nonfixed_reads,
22345 invariant_p, find_single_use_in_loop, find_mem_givs,
22346 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22349 * print-rtl.c (reg_names, print_rtx): Likewise.
22351 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22353 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22354 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22355 print_blocks): Likewise.
22357 * regclass.c (fix_register, record_address_regs,
22358 reg_scan_mark_refs): Likewise.
22360 * regmove.c (stable_but_for_p): Likewise.
22362 * reload.c (loc_mentioned_in_p, operands_match_p,
22363 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22364 copy_replacements, refers_to_regno_for_reload_p,
22365 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22366 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22369 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22370 delete_address_reloads_1, count_occurrences,
22371 reload_cse_mem_conflict_p, reload_combine_note_use,
22372 add_auto_inc_notes): Likewise.
22374 * resource.c (mark_referenced_resources, mark_set_resources):
22377 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22378 reg_mentioned_p, regs_set_between_p, modified_between_p,
22379 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22380 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22381 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22382 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22384 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22386 * stupid.c (stupid_mark_refs): Likewise.
22388 * unroll.c (remap_split_bivs): Likewise.
22390 * varasm.c (mark_constants): Likewise.
22392 * a29k/a29k.c (uses_local_reg_p): Likewise.
22394 * alpha/alpha.c (summarize_insn): Likewise.
22396 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22397 eliminate_lr2ip): Likewise.
22399 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22401 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22402 reg_mentioned_in_mem): Likewise.
22404 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22405 symbolic_reference_mentioned_p): Likewise.
22407 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22409 * sh/sh.c (regs_used, mark_use): Likewise.
22411 * vax/vax.c (vax_rtx_cost): Likewise.
22413 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22415 * machmode.h (mode_name): Constify a char*.
22417 * rtl.c (mode_name): Likewise.
22419 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22421 * optabs.c (init_libfuncs): Constify a char*.
22423 * print-tree.c (mode_name): Remove redundant declaration.
22424 (print_node): Use accessor macro, not `mode_name'.
22426 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22428 (new_spill_reg): Constify a char*.
22430 * tree.c (mode_name): Remove redundant declaration.
22432 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22434 * rtl.c (rtx_name): Constify a char*.
22436 * rtl.h (rtx_name, fix_sched_param): Likewise.
22438 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22439 (mypr): Use accessor macro, not `rtx_name'.
22441 * genemit.c (print_code): Constify a char*.
22443 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22445 * genpeep.c (print_code): Constify a char*.
22447 * genrecog.c (print_code): Likewise.
22449 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22450 end_bb): Add static prototype.
22451 (draw_edge): Constify a char*.
22452 (end_bb): Remove unused parameter.
22454 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22455 print_block_visualization): Constify a char*.
22457 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22459 * c-common.c (c_get_alias_set): Update comment.
22461 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22463 * linux.h (LIB_SPEC): Added.
22465 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22467 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22469 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22471 * tree.c (expr_check): Fix typo in last change.
22473 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22475 * rtl.def (NOTE): Change format to "iuu0n".
22476 (ADDR_DIFF_VEC): Change format to "eEee0".
22477 (ADDRESSOF): Change format to "eit".
22479 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22480 (RTVEC_ELT): Change to match.
22481 (XVECEXP): Use XVEC and RTVEC_ELT.
22482 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22483 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22484 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22485 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22486 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22487 (INTVAL): Use XWINT.
22488 (ADDRESSOF_DECL): Use XTREE.
22489 (SET_ADDRESSOF_DECL): Delete.
22490 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22491 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22492 ifdefed out since 2.6 at least.
22493 (gen_rtvec_vv): Delete prototype.
22495 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22497 (copy_most_rtx): Handle 't' format letter.
22498 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22499 (gen_rtvec_vv): Delete function. All callers changed to use
22500 gen_rtvec_v instead.
22501 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22502 the '0' format letter.
22504 * function.c (gen_mem_addressof): Don't use
22505 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22507 * integrate.c (copy_rtx_and_substitute): Likewise.
22508 Copy 't' slots with XTREE.
22509 (subst_constants): Treat 't' slots like '[swi]' slots.
22510 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22511 * jump.c (rtx_equal_for_thread_p): Likewise.
22512 * rtlanal.c (rtx_equal_p): Likewise.
22513 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22514 only four arguments.
22515 * gengenrtl.c (type_from_format): Provide correct types for
22519 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22520 If a recent gcc is in use (always in stage2 and beyond), use
22521 statement expressions, so we don't make a function call unless
22522 the check fails. Evaluate arguments exactly once.
22523 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22524 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22526 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22527 they evaluate their arguments exactly once, irrespective of
22528 the compiler in use.
22530 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22531 is used by the currently-enabled check macros. This is:
22532 (tree_check_failed, tree_class_check_failed): For gcc.
22533 (tree_check, tree_class_check, cst_or_constructor_check,
22534 expr_check): For other compilers.
22536 * gencheck.c: Do not define any *_CHECK1 macros.
22538 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22539 Mark Mitchell <mark@codesourcery.com>
22541 * c-common.c (c_get_alias_set): Fix support for poitners and
22544 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22546 * alias.c: Include tree.h.
22547 (nonlocal_reference_p, mark_constant_function): New functions.
22548 * flow.c (life_analysis): Call mark_constant_function.
22549 * rtl.h (mark_constant_function): Declare it.
22551 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22553 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22554 unrecognisable switches.
22556 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22558 * loop.c (recombine_givs): Set ix field after sorting.
22559 (recombine_givs): Remove bogus index / giv lockstep looping.
22561 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22563 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22565 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22566 (do_cmp_and_jump): Formatting fixes.
22567 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22568 do_compare_rtx_and_jump instead of compare_from_rtx.
22569 (do_compare_rtx_and_jump): New function; mostly copied from
22571 (do_jump_for_compare): Delete.
22572 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22574 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22575 of compare/do_jump_for_compare pairs.
22576 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22577 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22578 compare_from_rtx/do_jump_for_compare pairs.
22579 (do_jump_by_parts_equality): Likewise.
22580 (do_jump_by_parts_equality_rtx): Likewise.
22581 * expr.h (do_compare_rtx_and_jump): Declare.
22582 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22583 that used to be in emit_cmp_insn.
22584 (cmp_available_p): New function.
22585 (prepare_operand): New function.
22586 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22587 to be in emit_cmp_insn.
22588 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22589 parameters to be pointers; don't emit final compare but modify some of
22590 the values pointed to by the args so the caller can perform the
22591 correct comparison.
22592 (expand_binop): Call emit_store_flag_force with signed forms of
22594 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22595 emit_jump_insn pair.
22596 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22597 emit_cmp_and_jump_insn_1. Call emit_queue.
22598 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22600 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22601 jump sets cc0 before deleting it.
22602 * integrate.c (expand_inline_function): Likewise.
22603 * unroll.c (unroll_loop): Similar changes in several places.
22604 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22605 before deleting it.
22607 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22609 * Makefile.in (insn-recog.o): Update dependencies.
22610 * genrecog.c (main): Make generated file include "function.h".
22612 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22614 * cse.c (cse_insn): Call never_reached_warning when a jump is
22615 changed to be unconditional.
22616 * flags.h: Declare warn_notreached.
22617 * flow.c (delete_block): Call never_reached_warning when
22618 a block is deleted.
22619 * jump.c (delete_barrier_successors): Call never_reached_warning
22620 when we delete everything after a BARRIER.
22621 (never_reached_warning): New function.
22622 * rtl.h: Declare never_reached_warning.
22623 * toplev.c (warn_notreached): New variable.
22624 (lang_independent_options): Set warn_notreached
22625 when -Wunreachable-code.
22626 (compile_file): We need line numbers for -Wunreachable-code.
22628 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22630 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22631 * sched.c (insn_unit): Likewise.
22633 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22635 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22637 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22639 * flow.c (create_edge_list): Use xmalloc, not malloc.
22641 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22643 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22644 C-style comments. Do not lose the character before double slash.
22646 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22648 * basic-block.h (struct edge_list): Stucture to maintain a vector
22650 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22651 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22652 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22653 New function prototypes.
22654 * flow.c (create_edge_list): Function to create an edge list.
22655 (free_edge_list): Discards memory used by an edge list.
22656 (print_edge_list): Debug output showing an edge list.
22657 (verify_edge_list): Internal consistency check for an edge list.
22658 (find_edge_index): Function to find an edge index for a pred and succ.
22660 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22662 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22665 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22667 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22669 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22671 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22673 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22675 * toplev.c (rest_of_compilation): Allow machine dependent
22676 reorganisation pass to place information into the RTL dump
22677 file if it so wishes.
22679 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22681 * explow.c (hard_function_value): Use VOIDmode instead of
22683 * stmt.c (expand_return): Likewise.
22684 * stor-layout.c (get_best_mode): Likewise.
22686 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22687 emit call instead of emit_insn call.
22689 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22691 * configure.in: Handle --disable/enable-win32-registry.
22692 * install.texi: Document --disable/enable-win32-registry.
22693 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22694 (WIN32_REGISTRY_KEY): New macro.
22695 * prefix.c: Use to enable/disable win32-specific code.
22696 (lookup_key): Use versioned key.
22697 * configure: Regenerate.
22698 * config.in: Likewise.
22700 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22702 * cpplib.c (read_line_number): New fn, split out of...
22705 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22707 tree.c (lang_unsave_expr_now) : New.
22708 (unsave_expr_now): Call lang_unsave_expr_now.
22709 tree.h (lang_unsave_expr_now) : New.
22711 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22713 * toplev.c (flag_new_exceptions): On by default.
22715 1999-08-13 Michael Meissner <meissner@cygnus.com>
22717 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22719 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22721 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22722 INTEGER_TYPE with precision==1, it's __java_boolean.
22724 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22726 * global.c (prune_preferences): Move some invariants out of the
22729 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22731 * configure.in (alpha*-dec-osf*): Add osf5.
22733 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22735 * configure.in: Rework handling of ARM GNU/Linux slightly.
22736 (arm*-*-linux-gnuoldld): New target.
22737 * configure: Regenerate.
22738 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22739 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22740 * config/arm/linux-oldld.h: New file.
22741 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22742 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22744 * config/arm/linux-elf.h (ASM_SPEC): Define.
22745 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22746 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22747 for 26-bit APCS and old linker.
22748 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22750 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22751 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22752 don't define `arm' or `arm_elf'.
22753 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22754 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22756 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22758 * rtl.texi: Fix typo.
22760 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22762 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22764 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22766 * extend.texi (C++ Signatures): Remove node.
22767 * invoke.texi: Remove discussion of -fhandle-signatures,
22768 signature, sigof, __signature__, and __sigof__.
22770 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22772 * Makefile.in (JAVAGC): Removed.
22774 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22776 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22778 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22780 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22782 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22784 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22785 a register that is already known to be a pointer.
22787 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22789 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22790 * fixinc/inclhack.sh: Regenerated.
22791 * fixinc/fixincl.sh: Regenerated.
22793 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22795 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22796 Fix documentation of -ansi flag to describe its C++ behavior.
22797 Remove bogus reference to GCC 2.9.
22799 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22801 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22802 note if it is non-NULL.
22804 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22806 * except.h (eh_nesting_info): Add new structure defintion.
22807 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22808 (reachable_handlers, update_rethrow_references): Add function
22810 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22811 a rethrow symbol instead of an integer exception region number.
22812 * flow.c (Make_edges): Use new exception nesting routines to determine
22813 which handlers are reachable from a CALL or asynchronous insn.
22814 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22816 (delete_eh_regions): Update rethrow labels, and don't delete
22817 regions which are the target of a rethrow.
22818 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22819 avoid overloading the SYMBOL_REF_USED flag.
22820 (rethrow_symbol_map): Use new rethrow_ref field.
22821 (rethrow_used): Use new rethrow_ref field.
22822 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22823 of an integer. Fix formatting.
22824 (output_exception_table_entry): Use new rethrow_ref field.
22825 (can_throw): Check for EH_REGION_NOTE before deciding
22826 whether a CALL can throw or not.
22827 (scan_region): Call rethrow_used() instead of accessing data structure.
22828 (update_rethrow_references): New function to make sure only regions
22829 which are still targets of a rethrow are flagged as such.
22830 (process_nestinfo): New static function to initialize a handler
22831 list for a specific region.
22832 (init_eh_nesting_info): New function to allocate and initialize
22833 the list of all EH handlers reachable from all regions.
22834 (reachable_handlers): New function to retrieve the list of handlers
22835 reachable from a specific region and insn.
22836 (free_eh_nesting_info): New function to dispose of a list of
22837 reachable handlers.
22839 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22841 * flow.c (split_edge): Set JUMP_LABEL field.
22842 (commit_one_edge_insertion): Set head correctly for insert_before.
22843 When inserting insns, update insn block numbers if allocated.
22845 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22847 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
22848 retry_incomplete_types): Add static prototype.
22849 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
22850 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
22851 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
22852 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
22853 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
22856 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
22857 dwarf2out_start_source_file, dwarf2out_line): Likewise.
22859 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22861 * output.h (assemble_name): Constify a char*.
22863 * varasm.c (UNIQUE_SECTION, assemble_start_function,
22864 assemble_variable, assemble_name): Likewise.
22866 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
22868 * arm/pe.c (arm_pe_unique_section): Likewise.
22870 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
22872 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
22874 * i386/interix.c (i386_pe_unique_section): Likewise.
22876 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
22878 * i386/winnt.c (i386_pe_unique_section): Likewise.
22880 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
22882 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
22884 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
22886 * pa/pa.c (output_call): Likewise.
22888 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
22890 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
22892 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
22895 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
22898 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
22900 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
22901 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
22903 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
22905 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22907 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
22909 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22911 * tree.h (lang_identify): Constify a char*.
22912 (print_error_function): Add extern prototype. Constify a char*.
22914 * c-lang.c (lang_identify): Constify a char*.
22916 * objc/objc-act.c (lang_identify): Constify a char*.
22918 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22920 * genpeep.c (main): Make generated file include "function.h".
22921 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
22923 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22925 * Makefile.in: Update dependencies.
22926 * alias.c: Include "function.h"
22927 * c-decl.c: Likewise.
22928 * caller-save.c: Likewise.
22929 * calls.c: Likewise.
22930 * combine.c: Likewise.
22932 * explow.c: Likewise.
22933 * final.c: Likewise.
22934 * global.c: Likewise.
22935 * graph.c: Likewise.
22936 * local-alloc.c: Likewise.
22937 * loop.c: Likewise.
22938 * optabs.c: Likewise.
22939 * profile.c: Likewise.
22940 * recog.c: Likewise.
22941 * regclass.c: Likewise.
22942 * regmove.c: Likewise.
22943 * reload.c: Likewise.
22944 * reorg.c: Likewise.
22945 * resource.c: Likewise.
22946 * sched.c: Likewise.
22947 * stupid.c: Likewise.
22948 * config/1750a/1750a.c: Likewise.
22949 * config/a29k/a29k.c: Likewise.
22950 * config/arc/arc.c: Likewise.
22951 * config/arm/arm.c: Likewise.
22952 * config/arm/thumb.c: Likewise.
22953 * config/c4x/c4x.c: Likewise.
22954 * config/clipper/clipper.c: Likewise.
22955 * config/convex/convex.c: Likewise.
22956 * config/fx80/fx80.c: Likewise.
22957 * config/i860/i860.c: Likewise.
22958 * config/m68k/m68k.c: Likewise.
22959 * config/m88k/m88k.c: Likewise.
22960 * config/mips/mips.c: Likewise.
22961 * config/pdp11/pdp11.c: Likewise.
22962 * config/pyr/pyr.c: Likewise.
22963 * config/romp/romp.c: Likewise.
22964 * config/sh/sh.c: Likewise.
22965 * config/tahoe/tahoe.c: Likewise.
22966 * config/vax/vax.c: Likewise.
22967 * config/we32k/we32k.c: Likewise.
22968 * config/sparc/sparc.c: Include "function.h".
22969 (mem_min_alignment): Test current_function rather than
22970 regno_pointer_align.
22971 * config/pa/pa.c: Likewise.
22972 (compute_frame_size): Delete declaration of
22973 current_function_outgoing_args_size.
22974 * config/arc/arc.h (current_function_varargs): Delete declaration.
22975 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
22977 * config/i370/i370.h (current_function_outgoing_args_size): Delete
22979 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
22980 current_function_uses_pic_offset_table.
22981 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
22982 of current_function_returns_pointer.
22983 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22984 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22985 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22986 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22987 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22988 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22989 * config/m88k/m88k.c: Include "function.h"
22990 (call_used_regs, current_function_pretend_args_size,
22991 current_function_outgoing_args_size, frame_pointer_needed): Delete
22993 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
22995 * config/mips/mips.h (current_function_calls_alloca): Delete
22997 * config/mn10200/mn10200.h (current_function_needs_context,
22998 rtx_equal_function_value_matters): Delete declarations.
22999 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23000 flag_pic): Delete declarations.
23001 * config/pa/pa.h (current_function_pretend_args_size,
23002 current_function_decl): Delete declarations.
23003 * config/pa/som.h (current_function_varargs): Delete declaration.
23004 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23006 * config/pyr/pyr.h (current_function_pretend_args_size,
23007 current_function_args_size, current_function_calls_alloca): Delete
23009 * config/sh/sh.h (current_function_varargs): Delete declaration.
23010 * config/sparc/sparc.h (current_function_outgoing_args_size,
23011 current_function_calls_alloca, current_function_decl): Delete
23013 * config/spur/spur.h (current_function_pretend_args_size,
23014 current_function_calls_alloca): Delete declarations.
23015 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23017 * config/vax/vms.h (current_function_name): Delete declaration.
23018 * gcse.c: Include "function.h".
23019 (current_function_name, current_function_calls_setjmp): Delete
23021 * haifa-sched.c: Include "function.h".
23022 (forced_labels): Delete declaration.
23023 * jump.c: Likewise.
23024 * reg-stack.c: Likewise.
23025 * reload1.c: Likewise.
23026 * genemit.c (main): Make generated file include function.h.
23027 * genoutput.c (output_prologue): Likewise.
23029 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23030 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23031 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23032 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23033 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23034 macros for some of them.
23035 (emit_filename, emit_lineno): Delete declarations.
23036 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23037 regno_pointer_* variables through current_function.
23038 (gen_inline_header_rtx): Delete function.
23039 (save_emit_status): Delete function.
23040 (set_new_last_label_num): New function.
23041 (clear_emit_caches): New function.
23042 (restore_emit_status): Just clear last_labelnum and call
23044 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23045 through macro seq_stack.
23046 (add_insn_after): Likewise.
23047 (add_insn_before): Likewise.
23048 (remove_insn): Likewise.
23049 (pop_topmost_sequence): Likewise.
23050 (in_sequence_p): Likewise.
23051 (start_sequence_for_rtl_expr): Likewise.
23052 (start_sequence): Likewise, and likewise for
23053 sequence_rtl_expr/seq_rtl_expr.
23054 (push_topmost_sequence): Likewise.
23055 (end_sequence): Likewise.
23056 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23057 All callers changed. Store into that pointer instead of globals.
23058 (init_emit): Allocate emit elt of current_function.
23059 Changes for sequence_rtl_expr/sequence_stack renaming.
23060 Call clear_emit_caches instead of doing it in-line.
23061 Access regno_pointer_* variables through current_function.
23062 (init_emit_once) Don't clear sequence_stack.
23064 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23066 (arg_pointer_save_area): Delete declaration.
23067 (finish_expr_for_function): Renamed from init_queue; no longer static.
23068 (init_expr): Don't call init_queue.
23069 (save_expr_status, restore_expr_status): Delete functions.
23070 (expand_expr): Changes to reflect new layout of struct function.
23071 Don't access current_function_check_memory_usage when current_function
23073 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23074 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23075 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23076 current_function_uses_const_pool, function_call_count,
23077 current_function_uses_pic_offset_table, nonlocal_labels,
23078 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23079 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23080 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23082 (finish_expr_for_function): Declare.
23083 * flags.h (current_function_has_nonlocal_label,
23084 current_function_has_nonlocal_goto, current_function_is_thunk,
23085 current_function_has_computed_jump): Delete declarations.
23086 * flow.c (forced_labels): Delete declaration.
23087 * function.c (current_function_pops_args,
23088 current_function_returns_struct, current_function_returns_pcc_struct,
23089 current_function_needs_context, current_function_calls_setjmp,
23090 current_function_calls_longjmp, current_function_has_nonlocal_label,
23091 current_function_has_nonlocal_goto, current_function_is_thunk,
23092 current_function_has_computed_jump, current_function_calls_alloca,
23093 current_function_contains_functions, current_function_returns_pointer,
23094 current_function_epilogue_delay_list, current_function_args_size,
23095 current_function_pretend_args_size, current_function_arg_offset_rtx,
23096 current_function_outgoing_args_size, current_function_varargs,
23097 current_function_stdarg, current_function_args_info, cleanup_label,
23098 current_function_name, current_function_uses_const_pool,
23099 current_function_instrument_entry_exit, current_function_return_rtx,
23100 current_function_uses_pic_offset_table, nonlocal_labels,
23101 current_function_internal_arg_pointer, current_function_cannot_inline,
23102 current_function_check_memory_usage, function_call_count,
23103 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23104 nonlocal_goto_stack_level, return_label, save_expr_regs,
23105 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23106 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23107 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23108 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23109 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23111 (push_function_context_to): Don't save them. Don't call
23112 save_storage_status, save_emit_status or save_expr_status.
23113 (pop_function_context_from): Don't restore them. Don't call
23114 restore_storage_status or restore_expr_status.
23115 (get_func_frame_size): New function.
23116 (get_frame_size): Use it.
23117 (assign_outer_stack_local): Reflect some member name changes in struct
23119 (put_reg_into_stack): Likewise.
23120 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23122 (fixup_var_refs): Likewise.
23123 (fix_lexical_addr): Likewise.
23124 (trampoline_address): Likewise.
23125 (prepare_function_start): Clear field inlinable of current_function.
23126 (init_function_for_compilation): New function.
23127 (expand_dummy_function_end): New function.
23128 (expand_function_end): Call finish_expr_for_function.
23129 * function.h (struct emit_status): New; fields moved here from struct
23130 function and from global variables. Add accessor macros for some of
23132 (struct expr_status): Likewise.
23133 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23134 (struct function): Add fields expr and emit, inlinable, inl_emit,
23135 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23136 inl_max_label_num. Add many comments.
23137 Add accessor macros for all elts of struct function that no longer
23138 have a global variable.
23139 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23140 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23141 stack_slot_list): Delete declarations.
23142 (get_func_frame_size): Declare.
23143 (save_expr_status, restore_expr_status, save_emit_status,
23144 save_storage_status, restore_storage_status): Delete declarations.
23145 (init_virtual_regs): Declare.
23146 * output.h (current_function_pops_args,
23147 current_function_returns_struct, current_function_returns_pcc_struct,
23148 current_function_needs_context, current_function_calls_setjmp,
23149 current_function_calls_longjmp, current_function_calls_alloca,
23150 current_function_has_nonlocal_label, current_function_varargs,
23151 current_function_has_computed_jump, current_function_returns_pointer,
23152 current_function_contains_functions, current_function_args_size,
23153 current_function_pretend_args_size, current_function_stdarg,
23154 current_function_outgoing_args_size, current_function_args_info,
23155 current_function_name, current_function_return_rtx,
23156 current_function_epilogue_delay_list,
23157 current_function_uses_const_pool, current_function_cannot_inline):
23158 Delete declarations.
23159 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23160 regno_reg_rtx): Delete declaration.
23161 (REGNO_POINTER_FLAG): Delete macro.
23162 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23163 function were renamed.
23164 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23166 * toplev.c: Include "function.h".
23167 (current_function_decl): Delete declaration.
23168 (compile_file): Call init_dummy_function_start and
23169 expand_dummy_function_end around some initializations that need to
23171 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23172 Call init_function_for_compilation.
23173 * unroll.c: Include "function.h"
23174 (unroll_loop): Access regno_pointer_* variables through
23177 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23178 (DECL_SAVED_INSNS): use it.
23179 (expand_dummy_function_end): Declare.
23180 (init_function_for_compilation): Declare.
23181 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23182 that it's no longer an INLINE_HEADER.
23183 (expand_call): Likewise.
23184 * integrate.c (finish_inline): Delete function.
23185 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23186 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23187 args. Don't generate an INLINE_HEADER rtx, just return the arg
23188 vector. All callers changed.
23189 (save_for_inline_copying): Create a duplicate struct emit_status to
23190 hold the emit state for compiling the current function. Use this and
23191 the other new fields in struct function that are for integration
23192 instead of an INLINE_HEADER.
23193 Use memcpy instead of bcopy.
23194 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23195 (save_for_inline_nocopy): Similar changes, except no new emit_status
23197 (expand_inline_function): Get information from function structure,
23198 not from an inline header rtx.
23199 (output_inline_function): Lose code to extract the necessary
23200 information from an inline header; simply put back the function
23201 structure into current_function. Clear its inlinable elt.
23202 * rtl.def (INLINE_HEADER): Delete.
23203 * rtl.h: Delete all accessors for an INLINE_HEADER.
23204 (gen_inline_header_rtx): Delete declaration.
23205 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23206 Delete declarations.
23207 (REGNO_POINTER_ALIGN): Delete.
23208 (clear_emit_caches): Declare.
23209 (set_new_last_label_num): Declare.
23211 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23213 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23215 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23216 * stmt.c (is_eh_region): Make sure current_function is present, too.
23218 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23220 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23221 for 64bit PA targets.
23223 * pa.h (SELECT_SECTION): Define.
23224 * som.h (SELECT_SECTION): Delete.
23226 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23228 * alias.c (init_alias_analysis): Wrap call to
23229 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23231 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23233 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23234 <sys/asm.h> contains an asm comment with an apostrophe
23235 * fixinc/inclhack.sh: regen
23236 * fixinc/fixincl.x: regen
23238 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23240 * function.c (init_function_start): Clear prologue & epilogue.
23241 (prologue_epilogue_contains): New function.
23242 * alias.c (init_alias_analysis): Use it.
23243 * rtl.h (prologue_epilogue_contains): Declare it.
23245 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23247 * jump.c (onlyjump_p): New function.
23248 * rtl.h: Declare it.
23249 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23250 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23252 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23254 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23255 to invert loops. Simplify block scanning.
23257 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23259 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23260 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23262 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23264 * config/sparc/liteelf.h: New file to support sparclite-elf target
23265 * config/sparc/t-sp86x: New file to support sparc86x targets
23266 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23267 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23268 * configure.in: Support above target triplets
23269 * configure: Regenerated
23271 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23273 * fixinc/server.c (server_setup): Do not prefix function used as
23274 parameter with `&'.
23276 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23278 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23279 Remove fp reg alternatives.
23281 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23283 * Makefiin (TAROUTOPTS): Kill.
23284 (install-headers-tar): Use "xpf" for tar headerfile extraction
23285 * i370/x-oe (TAROUTOPTS): Delete.
23286 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23287 * m68k/x-hp320 (TAROUTOPTS): Delete.
23288 * m68k/x-hp320g (TAROUTOPTS): Delete.
23289 * gcc.texi: Update bug reporting text.
23291 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23293 * reg-stack.c (change_stack) Fixed problem with negative array index.
23295 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23297 * extend.texi, install.texi: Fix spelling mistakes.
23299 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23300 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23301 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23302 PREMADE_ATTRTAB_MD.
23303 * mips/t-ecoff: Likewise.
23304 * mips/t-elf: Likewise.
23305 * mips/t-mips: Likewise.
23306 * mips/t-osfrose: Likewise.
23307 * mips/t-r3900: Likewise.
23308 * mips/t-svr3: Likewise.
23309 * mips/t-svr4: Likewise.
23310 * mips/t-ultrix: Likewise.
23312 * gcc.texi: Document recommend means to provide software floating
23313 point libraries in libgcc.a
23315 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23317 * c-lex.c (yylex): We can have a number with no digits.
23319 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23321 * jump.c (delete_prior_computation): New function, broken
23322 out of delete_computation. Check for side effects with
23323 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23324 multi-word hard registers.
23325 (delete_computation): Use it. Check for side effects with
23326 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23327 missing REG_DEAD note for a register which is both set and
23330 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23332 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23333 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23334 (ASM_FILE_START): Import _mcount with the right type.
23335 (ASM_DECLARE_FUNCTION_NAME): Define.
23336 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23337 * pa.c (output_function_prologue): Always emit the function's label
23339 * pa.h (TEXT_SPACE_P): Define.
23340 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23341 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23342 * som.h (TEXT_SPACE_P): Delete.
23343 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23344 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23346 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23348 * expr.c (emit_group_load): Allow src to be a CONCAT.
23350 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23352 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23353 (___mulsi3): Use '!' comment character.
23355 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23357 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23359 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23361 * gcc.c: Update URLs and mail addresses.
23362 * gcc.texi: Likewise.
23364 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23366 * rs6000.c (current_file_function_operand): Return zero for
23368 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23370 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23373 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23375 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23376 allocate space in the stack frame for the PIC register.
23378 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23380 * m68k.md (xordi3, anddi3): These patterns are not available on
23383 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23385 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23386 (PUT_REAL): Likewise.
23388 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23390 * final.c (shorten_branches): Don't add an alignment for loops
23391 that have no label inside.
23393 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23395 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23396 prototypes in macro HAVE_cmpstrsi.
23398 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23400 * emit-rtl.c (operand_subword): Remove unused variable
23403 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23405 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23407 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23409 * cpphash.c (macroexpand): Delete leading whitespace when arg
23410 is concatenated before.
23411 (unsafe_chars): Correct test for whether + and - can extend a
23414 * cppinit.c (cpp_start_read): Do dependencies for
23415 -include/-imacros files also.
23417 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23418 tokenizing non-directive lines.
23419 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23420 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23423 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23425 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23427 * c-lex.c: Sync with C++ frontend.
23428 (linemode): New variable.
23429 (parse_float): imag, conversion_errno, and type are output only.
23430 (yylex): Adjust. Move initial '.' case into main switch.
23432 (handle_generic_pragma): Just deal with tokens.
23433 (readescape): Use ISXDIGIT and ISGRAPH.
23434 * c-parse.in: Add END_OF_LINE token.
23436 * c-lex.c (lang_init): Generalize.
23437 (nextchar): Remove. Replace uses with UNGETC.
23438 (skip_white_space): Handle linemode here. Optimize for cpplib.
23439 (skip_white_space_on_line): Remove.
23440 (extend_token_buffer_to): New fn.
23441 (extend_token_buffer): Use it.
23442 (read_line_number, check_newline): Just deal with tokens.
23443 (token_getch, token_put_back): New fns.
23444 (yylex): Use them. More cpplib optimizations. Simplify.
23446 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23447 Jason Merrill <jason@yorick.cygnus.com>
23449 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23450 (consume_string): Make this smart about USE_CPPLIB.
23451 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23452 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23453 Also, clean up cases where we redundantly set token_buffer[0].
23454 (read_line_number): New fn.
23455 (ignore_escape_flag): New variable.
23457 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23459 * a29k/t-a29kbare: Fix some comments.
23460 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23461 (FPBIT, DPBIT): Define.
23462 * a29k/t-vx29k: Likewise.
23463 * arc/t-arc: Likewise.
23464 * arm/t-arm-elf: Likewise.
23465 * arm/t-bare: Likewise.
23466 * arm/t-pe: Likewise.
23467 * arm/t-pe-thumb: Likewise.
23468 * arm/t-semi: Likewise.
23469 * arm/t-thumb: Likewise.
23470 * arm/t-thumb-elf: Likewise.
23471 * arm/t-thumb-linux: Likewise.
23472 * h8300/t-h8300: Likewise.
23473 * i960/t-i960: Likewise.
23474 * i960/t-vxworks960: Likewise.
23475 * m32r/t-m32r: Likewise.
23476 * mips/t-ecoff: Likewise.
23477 * mips/t-elf: Likewise.
23478 * mips/t-r3900: Likewise.
23479 * pa/t-pro: Likewise.
23480 * rs6000/t-aix43: Likewise.
23481 * rs6000/t-beos: Likewise.
23482 * rs6000/t-newas: Likewise.
23483 * rs6000/t-ppccomm: Likewise.
23484 * rs6000/t-rs6000: Likewise.
23485 * rs6000/t-winnt: Likewise.
23486 * rs6000/t-xnewas: Likewise.
23487 * rs6000/t-xrs6000: Likewise.
23488 * sh/t-sh: Likewise.
23489 * sparc/t-elf: Likewise.
23490 * sparc/t-sparcbare: Likewise.
23491 * sparc/t-sparclite: Likewise.
23492 * sparc/t-splet: Likewise.
23493 * v850/t-v850: Likewise.
23494 * mn10200/t-mn10200: Fix comments.
23495 * mn10300/t-mn10300: Likewise.
23497 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23498 dummy operand. Allocate a new pseudo for the dummy operand.
23499 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23501 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23503 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23505 * configure: Rebuilt.
23506 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23508 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23510 * recog.c (preproces_constraints): Zero recog_op_alt before
23511 processing the constraints.
23513 * arm.c (typedef minipool_node): Renamed from pool_node.
23514 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23515 (add_minipool_constant): New function.
23516 (dump_minipool): New function.
23517 (find_barrier): Remove special case for getting the insn size of
23518 an insn that references the constant pool.
23519 (minipool_fixup): New structure.
23520 (push_minipool_barrier): New function.
23521 (push_minipool_fix): New function.
23522 (note_invalid_constants): New function.
23523 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23524 (arm_reorg): Rewrite code to fix up the constant pool into a
23525 series of mini-pools embedded in the insn stream.
23526 (arm_output_epilogue): New function, made mainly from the body
23527 of output_func_epilogue.
23528 (output_func_epilogue): Move insn generation part of epilogue code
23529 to arm_output_epilogue.
23530 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23531 * arm.md (pool_range): New attribute.
23532 (zero_extendqidi2): Add attribute pool_range.
23533 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23534 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23535 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23536 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23537 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23538 (epilogue): New expand.
23539 (epilogue_insn): New insn. Call arm_output_epilogue.
23541 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23542 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23544 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23546 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23548 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23550 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23552 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23554 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23556 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23558 * global.c: Fix comment.
23560 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23562 * gcc.c (access_check): New static function.
23563 (find_a_file): Use it when searching a directory list.
23564 * collect2.c (find_a_file): Don't accept directories found when
23565 searching a directory list.
23567 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23569 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23570 function parameters with `&'.
23571 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23573 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23575 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23576 or tidy_fallthru_edge if the last insn in the block is not
23577 an unconditional jump or a simple conditional jump.
23579 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23581 * Makefile.in (c-decl.o): Depends on defaults.h.
23583 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23585 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23587 (CLASS_MAX_NREGS): Likewise.
23589 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23591 * cse.c (cse_insn): Fix dumb thinko in last change.
23593 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23595 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23598 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23600 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23601 test for sizes of passed and declared parameter types.
23603 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23605 * fixincludes: Fix the return type of bsearch, char* -> void*.
23607 * fixinc/inclhack.def: Likewise.
23609 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23611 * invoke.texi (-fdump-translation-unit): New option.
23613 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23615 * expr.h (PROMOTE_PROTOTYPES): Move ...
23616 * defaults.h: ... to here.
23617 * c-decl.c: Include defaults.h instead of expr.h.
23618 * c-typeck.c: Include defaults.h.
23620 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23622 * toplev.h (errorcount): Declare.
23623 (warningcount): Likewise.
23624 (sorrycount): Likewise.
23625 * c-lex.c (errorcount): Don't declare.
23626 * dwarf2out.c (errorcount): Don't declare.
23628 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23630 * config/libgloss.h: Add a note discouraging use with ELF.
23631 * configure.in: Don't use libgloss.h for ELF targets.
23632 Always use_collect2 on a.out targets.
23634 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23636 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23637 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23639 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23641 * loop.c (strength_reduce): When doing biv->giv conversion, update
23642 reg note of NEXT->insn.
23644 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23646 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23648 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23650 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23651 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23652 Ensure expr.h is included.
23653 * c-typecheck.c (convert_arguments): Ditto.
23655 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23657 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23658 * config/convex/convex.h: Ditto.
23659 * config/dsp16xx/dsp16xx.h: Ditto.
23660 * config/fx80/fx80.h: Ditto.
23661 * config/gmicro/gmicro.h: Ditto.
23662 * config/i370/i370.h: Ditto.
23663 * config/i386/i386.h: Ditto.
23664 * config/m32r/m32r.h: Ditto.
23665 * config/m68k/m68k.h: Ditto.
23666 * config/m88k/m88k.h: Ditto.
23667 * config/mips/mips.h: Ditto.
23668 * config/pa/pa.h: Ditto.
23669 * config/pyr/pyr.h: Ditto.
23670 * config/tahoe/tahoe.h: Ditto.
23671 * config/we32k/we32k.h: Ditto.
23673 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23674 based on arch size.
23676 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23678 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23681 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23683 1999-08-02 Richard Henderson <rth@cygnus.com>
23685 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23686 for the register spill block.
23687 (m32r_va_arg): New.
23688 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23689 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23691 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23692 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23693 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23695 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23697 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23698 MAX_WCHAR_TYPE defined in sparc.h.
23699 * config/sparc/linuxaout.h: Likewise.
23700 * config/sparc/linux64.h: Likewise.
23701 Also default to -mvis if CPU is UltraSPARC.
23703 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23705 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23706 (RTX_OK_FOR_OLO10): Likewise.
23707 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23708 %lo(), allow it in addresses...
23709 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23710 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23711 does not make sense.
23712 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23713 (sparc_output_scratch_registers): New function.
23714 (output_function_prologue, sparc_flat_output_function_prologue): Use
23716 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23718 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23719 * configure.in: Add check for .register pseudo-op support in as and
23720 check for offsetable %lo().
23721 * acconfig.h: Add templates for the above checks.
23722 * configure: Regenerate.
23724 1999-08-02 Richard Henderson <rth@cygnus.com>
23726 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23727 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23728 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23730 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23732 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23735 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23737 * config/float-sparc.h: New file.
23738 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23739 sparc-*-linux-gnu and sparc64-*-linux*.
23741 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23743 * rs6000.c (rs6000_va_list): Type is an array.
23744 (rs6000_va_start): Don't doubly adjust for varargs.
23745 (rs6000_va_arg): Evaluate long long GPR adjustment.
23747 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23749 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23750 -maix64 and -maix32.
23751 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23752 LINK_SPEC): Change appropriately.
23753 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23754 (u_short_cint_operand): Likewise.
23755 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23757 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23759 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23761 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23763 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23764 for type promotion.
23765 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23766 (non_add_cint_operand): Likewise.
23767 (logical_operand): Likewise.
23768 (non_logical_cint_operand): Likewise.
23769 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23770 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23771 (rs6000_select_rtx_section): Suppress warning.
23772 (small_data_operand): Suppress warning.
23773 (rs6000_got_register): Suppress warning.
23774 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23775 type, so `J' is generally the wrong constraint for a SImode value;
23777 (andsi3_internal2): Likewise.
23778 (andsi3_internal3): Likewise.
23779 (iorsi3_internal1): Likewise.
23780 (xorsi3_internal1): Likewise.
23782 (movsf_softfloat): Likewise.
23783 (scc insns): Likewise.
23784 (movsi+2): Preserve sign bits of SImode constant.
23785 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23786 (movdf+1): Sign-extend properly.
23787 (movdi_32+1): Sign-extend properly.
23788 (scc insns): Sign-extend properly.
23790 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23793 1999-08-02 Richard Henderson <rth@cygnus.com>
23795 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23796 -mcpu parsing code.
23797 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23798 * alpha.md (all fp insns): Likewise.
23800 1999-08-02 Nick Clifton <nickc@cygnus.com>
23802 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23805 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23807 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23808 pic_load_label generator directly.
23809 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23810 No longer a named pattern.
23812 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23814 * explow.c (force_reg): Call force_operand if X does not
23815 satisfy general_operand.
23817 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23819 * fix-header.c (main): When testing for CONTINUED, use string
23820 equality, not pointer equality.
23822 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23824 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23826 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23828 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23829 that has become an unconditional jump.
23831 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
23832 (output_function_epilogue): Similarly.
23834 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23836 * tree.h (init_dummy_function_start): Declare.
23838 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23840 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
23841 last_expr_type, last_expr_value, block_start_count, block_stack,
23842 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
23843 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
23844 dynamically in stmt elt of struct function for each function.
23845 (struct nesting): Rename function_call_count elt to n_function_calls,
23846 target_temp_slot_level to block_target_temp_slot_level. All users
23848 (struct stmt_status): New structure definition.
23849 Add many accessor macros for stmt_status elements which previously
23850 were global variables.
23851 (init_stmt_for_function): Allocate stmt elt for current_function.
23852 Reflect that block_start_count was renamed to
23853 current_block_start_count.
23854 (save_stmt_status, restore_stmt_status): Delete functions.
23855 (preserve_subexpressions_p): Don't access loop_stack when outside
23857 (expand_start_bindings): Reflect that block_start_count was renamed to
23858 current_block_start_count.
23859 (expand_fixup): Likewise.
23860 (expand_decl): Don't access block_stack when outside a function.
23861 (expand_decl_cleanup): Likewise.
23862 (expand_dcc_cleanup): Likewise.
23863 (expand_dhc_cleanup): Likewise.
23864 (expand_anon_union_decl): Likewise.
23865 (set_file_and_line_for_stmt): New function.
23866 (in_control_zone_p): New function.
23868 * function.h (struct function): Add new elt stmt.
23869 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
23870 case_stack, nesting_stack, nesting_depth, block_start_count,
23871 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
23872 emit_lineno, goto_fixup_chain.
23873 (save_eh_status, restore_eh_status, save_stmt_status,
23874 restore_stmt_status): Delete declarations.
23875 * function.c (push_function_context_to): Don't call save_stmt_status.
23876 (pop_function_context_to): Don't call restore_stmt_status.
23877 * tree.h (in_control_zone_p): Declare.
23878 * rtl.h (set_file_and_line_for_stmt): Declare.
23880 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
23881 call set_file_and_line_for_stmt.
23883 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
23885 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
23886 Also update copyright.
23888 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23890 * c-pragma.c: Don't include "except.h".
23891 * emit-rtl.c: Likewise.
23892 * stor-layout.c: Likewise.
23893 * tree.c: Likewise.
23894 * varasm.c: Likewise.
23896 * flow.c: Include "function.h".
23897 * tree.h (init_dummy_function_start): Declare new function.
23899 * except.h (struct eh_status): New structure.
23900 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
23902 (eh_return_stub_label, ehstack, catchstack, ehqueue,
23903 catch_clauses, false_label_stack, caught_return_label_stack,
23904 protect_list, current_function_ehc): Add accessor macros for the
23905 corresponding fields in current_function->eh; delete declarations
23906 for all items that used to be declared here.
23907 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
23908 catch_clauses, false_label_stack, caught_return_label_stack,
23909 protect_list, current_function_ehc): Delete variables.
23910 (init_eh_for_function): Allocate current_function->eh.
23911 (save_eh_status, restore_eh_status): Delete functions.
23913 * function.h (struct function): Add fields next_global and eh.
23914 Delete all exception handling related fields.
23915 * function.c (current_function): New variable.
23916 (all_functions): New variable.
23917 (push_function_context_to): Don't allocate a struct function,
23918 use current_function instead. Call init_dummy_function_start when
23919 outside a function. Clear current_function before returning.
23920 (pop_function_context_from): Restore current_function.
23921 Don't free the restored struct function.
23922 (prepare_function_start): New function.
23923 (init_dummy_function_start): New function.
23924 (init_function_start): Break out some code into prepare_function_start
23927 * stmt.c (save_stmt_status): Don't call save_eh_status.
23928 (restore_stmt_status): Don't call restore_eh_status.
23930 * Makefile.in: Update dependencies.
23932 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
23934 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
23935 of depending on a magic constant value. Update comments.
23936 (hppa_expand_prologue): Similarly.
23938 * pa.md (reload_indi, reload_outdi): Allow any register for the
23939 original reload register.
23941 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
23943 * cccp.c (print_help): Change marcos to macros.
23945 1999-07-30 Richard Henderson <rth@cygnus.com>
23947 * c-typeck.c (initializer_constant_valid_p): Move ...
23948 * c-common.c (initializer_constant_valid_p): ... here. Use
23949 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
23950 of label addresses.
23951 * c-common.h (initializer_constant_valid_p): Declare.
23952 * c-tree.h (initializer_constant_valid_p): Remove.
23954 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
23956 * config/i386/sol2-c1.asm: Align the stack.
23957 * config/i386/sol2-gc1.asm: Likewise.
23959 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
23961 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
23962 -Asparclite for sparc86x.
23963 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
23965 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
23967 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
23969 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
23970 the user if using the non-default arch size in BI_ARCH configuration.
23971 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
23973 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
23974 Fix patterns so that they actually match.
23975 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
23976 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
23977 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
23979 (mulsidi3): Reflect this in the expand.
23980 (smulsi3_highpart): Only on TARGET_ARCH32.
23981 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
23982 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
23983 (umulsidi3): Reflect this in the expand.
23984 (umulsi3_highpart): Only on TARGET_ARCH32.
23985 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
23986 don't require g0 to be zero.
23987 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
23988 ({,u}divsi3): New expands.
23989 ({,u}divsi3_sp64): New patterns.
23990 (after lshrdi3_v8plus): Four new patterns to help combiner
23991 optimizing nested mixed mode shifts.
23993 * config/sparc/sparc.c (sparc_override_options): Use deprecated
23994 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
23995 speed things up. Don't use them by default on plain v9 in 64bit
23996 mode, according to what SPAMv9 sais.
23998 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
23999 top 32 bits of %[og][0-7] in signal handlers.
24000 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24002 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24004 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24005 (ashlsi3): Corresponding changes.
24007 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24009 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24011 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24013 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24015 * arm.h (Hint): Delete macro.
24016 Substitute HOST_WIDE_INT for Hint in some prototypes.
24017 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24019 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24021 * builtins.c (expand_builtin_setjmp): Use force_operand to
24022 make sure that the buffer address is in a suitable form to be
24023 passed to force_reg.
24025 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24027 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24030 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24032 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24033 proper mode in the condition string.
24034 (icacheflush, dcacheflush): Remove modes from match_operands.
24036 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24037 proper mode before using it.
24039 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24042 * pa.c (store_reg): Do not call add_high_const generator directly.
24043 (load_reg, set_reg_plus_d): Likewise.
24044 * pa.md (add_high_const): No longer a named pattern.
24046 * pa.c (legitimize_address): Consistently use Pmode rather than
24047 SImode. Do not call gen_pic2_highpart directly anymore.
24048 * pa.md (pic2_highpart): No longer a named pattern.
24049 (pic2_lo_sum): Similarly. Reformat to make more readable.
24051 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24056 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24058 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24060 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24062 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24063 and tag the spill mems.
24064 (hppa_va_start): New.
24065 (hppa_va_arg): New.
24066 * pa.h (EXPAND_BUILTIN_VA_START): New.
24067 (EXPAND_BUILTIN_VA_ARG): New.
24069 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24071 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24072 and tag the spill mems.
24073 (mn10300_va_start): New.
24074 (mn10300_va_arg): New.
24075 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24076 (EXPAND_BUILTIN_VA_ARG): New.
24078 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24080 * mn10200.c (mn10200_va_arg): New.
24081 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24083 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24085 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24086 rather than play with TREE_INT_CST_LOW.
24088 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24090 * config/arm/telf.h: Include dbxelf.h.
24091 (CPP_PREDEFINES): Only define if not already defined.
24092 (ASM_IDENTIFY_GCC): Likewise.
24093 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24094 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24095 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24097 (DBX_DEBUGGING_INFO): Don't define.
24098 * config/arm/linux-telf.h: New file.
24099 * config/arm/linux-tgas.h: New file.
24100 * config/arm/t-thumb-linux: New file.
24101 * config/arm/uclinux-elf.h: New file.
24102 * config/arm/uclinux-telf.h: New file.
24103 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24104 thumb-*-uclinux): New targets.
24105 * configure: Regenerate.
24107 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24109 * pa.md (post_store, pre_load): New expanders.
24110 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24111 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24112 need to directly generate RTL for them.
24113 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24116 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24118 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24119 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24120 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24121 (secndary_reload_class): Make TARGET_ELF conditional compile.
24122 (print_operand_address): Similar.
24123 (output_toc): Print all values as hex.
24124 (get_issue_rate): Rearrange and add RS64A and PPC630.
24125 * rs6000.h (processor_type): Add RS64A and PPC630.
24126 (PROCESSOR_POWERPC64): New.
24127 (PROMOTE_MODE): Use word_mode.
24128 (RTX_COSTS): Add RS64A and PPC630.
24129 * rs6000.md (scheduling information): Add lmul and ldiv
24130 representing 64-bit integer multiply and divide. Add rs64a and
24131 PPC630 information.
24132 (ashldi3): Add support for "rldic" instruction.
24133 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24135 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24137 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24138 instead of V8 for sparclite86x in cpu_table.
24140 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24142 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24143 output_file_directive.
24145 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24147 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24148 tree for op1, not the rtl.
24150 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24152 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24153 to m88k_va_start, leaving only the register spill.
24154 (m88k_build_va_list): New.
24155 (m88k_va_start): New.
24156 (m88k_va_arg): New.
24157 * m88k.h (BUILD_VA_LIST_TYPE): New.
24158 (EXPAND_BUILTIN_VA_START): New.
24159 (EXPAND_BUILTIN_VA_ARG): New.
24161 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24163 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24164 Rename from expand_builtin_saveregs.
24165 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24167 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24169 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24170 for the register spill block.
24171 (i960_build_va_list): New.
24172 (i960_va_start): New.
24173 (i960_va_arg): New.
24174 * i960.h (BUILD_VA_LIST_TYPE): New.
24175 (EXPAND_BUILTIN_VA_START): New.
24176 (EXPAND_BUILTIN_VA_ARG): New.
24177 * i960.md (store_multiple): Use change_address on individul mems.
24179 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24181 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24183 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24184 (expand_builtin_va_end): Evaluate arg for side effects.
24185 * c-common.c (c_common_nodes_and_builtins): Construct a
24186 va_list_arg_type_node to handle array decomposition to pointer.
24188 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24190 * except.c (st_dynamic_cleanup): Use force_operand on the
24193 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24195 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24196 * c4x.c (c4x_va_arg): New.
24198 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24200 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24201 has manual_pop set.
24203 1999-07-26 Nathan Sidwell <nathan@acm.org>
24205 * eh-common.h (__eh_matcher): Prototype correctly.
24207 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24209 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24210 (TARGET_SINGLE_PIC_BASE): Likewise.
24211 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24213 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24214 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24215 (TARGET_OPTIONS): Add -mpic-register=N.
24216 (OUTPUT_INT_ADDR_CONST): New macro.
24217 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24218 LEGITIMATE_PIC_OPERAND_P): Likewise.
24219 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24220 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24221 output_addr_const directly.
24222 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24224 (thumb_pic_register, thumb_pic_register_string): Declare.
24226 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24228 (label_mentioned_p): New function: Imported from arm.c.
24229 (legitimize_pic_address): New function: Imported from arm.c.
24230 (is_pic):New function: Imported from arm.c.
24231 (thumb_finalize_pic):New function: Imported from arm.c.
24232 (add_constant): Cope with PIC constants.
24233 (fixit): Cope with PIC constants.
24234 (output_return): Do not treat the PIC register as live if
24235 TARGET_SINGLE_PIC_BASE is true.
24236 (thumb_function_prologue): Do not treat the PIC register as live if
24237 TARGET_SINGLE_PIC_BASE is true.
24238 (thumb_expand_prologue): Do not treat the PIC register as live if
24239 TARGET_SINGLE_PIC_BASE is true.
24240 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24241 TARGET_SINGLE_PIC_BASE is true.
24242 (thumb_print_operand): Accept '|'.
24243 (thumb_override_options): Process PIC options.
24245 * config/arm/thumb.md (movsi): Support PIC.
24246 (call_insn): Change "i" constraint to "X".
24247 (call_value_insn): Likewise.
24248 (consttable_4, consttable_8, consttable_end): Set and clear
24249 "making_const_table" as appropriate.
24250 (pic_load_addr, pic_add_dot_plus_four): New insns.
24252 * invoke.texi (Thumb Options): Fix spelling. Document new
24253 options -msingle-pic-base and -mpic-register=.
24255 1999-07-26 Andrew Haley <aph@cygnus.com>
24257 * config/m32r/initfini.c (__init): Use a full word immediate for
24258 __fini: this allows it to be placed in any memory region.
24260 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24261 -mmodel=medium. This is OK for all memory models.
24263 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24265 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24266 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24268 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24270 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24273 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24275 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24277 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24278 (BUILD_VA_LIST_TYPE): New.
24279 (EXPAND_BUILTIN_VA_START): New.
24280 (EXPAND_BUILTIN_VA_ARG): New.
24281 * i860.c (output_delayed_branch): Disable.
24282 (output_delay_insn): Likewise.
24283 (i860_saveregs): New.
24284 (i860_build_va_list): New.
24285 (i860_va_start): New.
24286 (i860_va_arg): New.
24287 * i860.md: Disable all peepholes using output_delayed_branch.
24288 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24290 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24292 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24293 (BUILD_VA_LIST_TYPE): New.
24294 (EXPAND_BUILTIN_VA_START): New.
24295 (EXPAND_BUILTIN_VA_ARG): New.
24296 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24297 Return the address of the save area.
24298 (clipper_build_va_list): New.
24299 (clipper_va_start): New.
24300 (clipper_va_arg): New.
24302 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24304 * arc.h (EXPAND_BUILTIN_VA_START): New.
24305 (EXPAND_BUILTIN_VA_ARG): New.
24306 * arc.c (arc_setup_incoming_varargs): Set alias set of
24308 (arc_va_start): New.
24311 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24313 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24314 (BUILD_VA_LIST_TYPE): New.
24315 (EXPAND_BUILTIN_VA_START): New.
24316 (EXPAND_BUILTIN_VA_ARG): New.
24317 * alpha.c (alpha_builtin_saveregs): Delete.
24318 (alpha_build_va_list): New.
24319 (alpha_va_start): New.
24320 (alpha_va_arg): New.
24322 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24324 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24326 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24327 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24329 * gcc.texi: More changes related to list conversion.
24330 * invoke.texi: Likewise.
24332 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24334 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24335 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24336 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24337 (stabilize_va_list): New function.
24338 (std_expand_builtin_va_start): New function.
24339 (expand_builtin_va_start): New function.
24340 (get_varargs_alias_set): New function.
24341 (std_expand_builtin_va_arg): New function.
24342 (expand_builtin_va_arg): New function.
24343 (expand_builtin_va_end): New function.
24344 (expand_builtin_va_copy): New function.
24345 (expand_builtin): Call them.
24346 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24347 __builtin_{varargs_start,stdarg_start,end,copy}.
24348 (build_va_arg): New function.
24349 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24350 (build_va_arg): Declare.
24351 * c-decl.c (ptr_type_node, va_list_type_node): New.
24352 * c-parse.gperf (__builtin_va_arg): New.
24353 * c-parse.in (VA_ARG): New token.
24354 (unary_expr): Recognize it.
24355 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24356 * expr.h (std_expand_builtin_va_start): Declare.
24357 (std_expand_builtin_va_arg): Declare.
24358 (expand_builtin_va_arg): Declare.
24359 (get_varargs_alias_set): Declare.
24360 * tree.def (VA_ARG_EXPR): New.
24361 * tree.h (BUILT_IN_VARARGS_START): New.
24362 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24363 (ptr_type_node, va_list_type_node): Declare.
24364 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24365 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24366 * m88k.h, m88k.c: Likewise.
24367 * mn10300.h, mn10300.c: Likewise.
24368 * pa.h, pa.c: Likewise.
24369 * rs6000.h, rs6000.c: Likewise.
24370 * sh.h, sh.c: Likewise.
24371 * sparc.h, sparc.c: Likewise.
24373 * emit-rtl.c (operand_subword): Copy alias set.
24374 (change_address): Likewise.
24376 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24378 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24379 not just the first one.
24381 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24383 * config/arm/arm.h (TARGET_SWITCHES): Add
24384 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24385 (TARGET_OPTIONS): Add -mpic-register=.
24386 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24387 (arm_pic_register_string): Declare.
24388 (NEED_PLT_GOT): Delete, replace with ...
24389 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24390 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24391 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24392 * config/arm/arm.c (arm_override_options): Add new option
24394 (arm_pic_register_string): New variable.
24395 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24396 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24397 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24398 (output_return_instruction): Likewise.
24399 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24400 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24401 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24403 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24404 mention of -msched-prolog. Document new options -msingle-pic-base
24405 and -mpic-register=.
24407 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24409 * haifa-sched.c (reemit_notes): Tidy.
24410 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24413 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24415 * explow.c (trunc_int_for_mode): New function.
24416 (plus_constant_wide): Use it.
24417 * combine.c (simplify_and_const_int): Likewise.
24418 (merge_outer_ops): Likewise.
24419 (simplify_shift_const): Likewise.
24420 * cse.c (simplify_unary_operation): Likewise.
24421 (simplify_binary_operation): Likewise.
24422 * emit-rtl.c (operand_subword): Likewise.
24423 * rtl.h: Declare it.
24425 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24427 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24428 (use NUM_REGS instead of NUM_INTS).
24430 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24432 * builtins.c: New file.
24433 * expr.c (saveregs_value, apply_args_value): Delete definition,
24434 moved into builtins.c.
24435 (string_constant): No longer static.
24436 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24437 apply_args_size, apply_result_size, result_vector,
24438 expand_builtin_apply_args, expand_builtin_apply,
24439 expand_builtin_return): Delete functions, moved into builtins.c.
24440 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24441 * expr.h (saveregs_value, apply_args_value): Declare variables.
24442 (expand_builtin, string_constant): Declare functions.
24443 * Makefile.in: Update to build builtin.o.
24445 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24447 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24448 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24449 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24450 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24452 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24455 1999-07-21 Michael Meissner <meissner@cygnus.com>
24457 * print-rtl.c (print_rtx): Print the names of the virtual
24460 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24462 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24463 introduced in previous delta.
24465 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24467 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24468 to avoid name clash.
24470 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24472 * c-lex.c (yylex) : Correct the test for overflow when lexing
24475 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24477 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24478 (adjust_priority): Always call ADJUST_PRIORITY.
24479 (schedule_insn): Only put insns into the ready at cost 0.
24480 (schedule_block): Remove redundant initial sort. Give clock_var
24481 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24483 * tm.texi (MD_SCHED_REORDER): Update docs.
24485 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24486 * sparc.c (ultra_reorder_called_this_block): Delete.
24487 (ultrasparc_sched_init): Don't set it.
24488 (ultrasparc_sched_reorder): Don't check it.
24490 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24492 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24493 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24494 (function_arg_boundary): Align DFmode.
24495 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24496 to get fp reg and stack overflow correct.
24497 (function_arg): Likewise.
24498 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24499 (setup_incoming_varargs): Restructure for ABI_V4; use
24500 function_arg_advance to skip final named argument.
24501 (expand_builtin_saveregs): Properly unskip the last integer arg
24502 when doing varargs. Adjust overflow location calculation.
24504 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24505 explicitly unsigned.
24506 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24507 (__VA_GP_REGSAVE): Similarly.
24508 (__va_longlong_p): Delete.
24509 (__va_arg_type_violation): New declaration.
24510 (va_arg): Restructure. Flag promotion errors. Align double.
24511 TFmode passed by reference.
24513 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24514 in the HOST_BITS_PER_WIDE_INT > 32 case.
24516 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24518 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24520 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24522 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24523 * toplev.c (documented_lang_options): Add -fpreprocessed.
24524 * cpplib.h (struct cpp_buffer): Add preprocessed.
24525 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24526 (cpp_start_read): Don't expand macros or emit an initial #line
24527 directive if -fpreprocessed.
24529 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24531 * cpplib.h (struct cpp_buffer): Added manual_pop for
24532 better C++ tokenization.
24533 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24534 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24535 * c-common.c (cpp_token): Make non-static.
24537 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24539 * c-common.h: New file.
24540 * c-common.c (permanent_obstack): Delete unused declaration.
24541 (c_global_trees): New array.
24542 (c_common_nodes_and_builtins): New function; split off common code
24543 from init_decl_processing in both c-decl.c and cp/decl.c.
24544 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24545 c_global_trees and accessor macros defined in c-common.h.
24546 Include c-common.h.
24547 * c-decl.c: Delete definitions for tree nodes that were replaced by
24549 (init_decl_processing): Build void_list_node.
24550 Call c_common_nodes_and_builtins; delete code to generate the common
24552 * objc/objc-act.c (build_module_descriptor): Rename variable
24553 void_list_node to avoid clash with c-common.h.
24555 * Makefile.in: Update dependencies.
24556 * objc/Make-lang.in: Likewise.
24558 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24560 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24561 (UNIQUE_SECTION_P): Likewise.
24562 (UNIQUE_SECTION): Likewise.
24564 1999-07-19 Linas Vepstas <linas@linas.org>
24566 * config/i370/README: New file.
24567 * config/i370/linux.h: New file.
24568 * config/i370/mvs.h: New file.
24569 * config/i370/oe.h: New file.
24570 * config/i370/t-linux: New file.
24571 * config/i370/t-mvs: New file.
24572 * config/i370/t-oe: New file.
24573 * config/i370/x-oe: New file.
24574 * config/i370/xm-linux.h: New file.
24575 * config/i370/xm-mvs.h: New file.
24576 * config/i370/xm-oe.h: New file.
24578 * i370.c (label_node_t): Add first_ref_page, label_addr,
24579 label_first_ref, label_last_ref members.
24580 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24581 (MAX_MVS_LABEL_SIZE): Define.
24582 (MAX_LONG_LABEL_SIZE): Define.
24583 (alias_node_t, alias_anchor, alias_number): New.
24584 (mvs_function_table): Reorder for EBCDIC.
24585 (ascebc, ebcasc): Unconditionally define.
24586 (i370_branch_dest, i370_branch_length): New functions.
24587 (i370_short_branch, i370_label_scan): New functions.
24588 (mvs_get_label): Renamed from mvs_add_label. Search for
24589 an existing label before creating a new one.
24590 (mvs_add_label): New function.
24591 (mvs_get_label_page): New function.
24592 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24593 over the entire list.
24594 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24595 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24596 (mvs_add_alias, mvs_need_alias): New functions.
24597 (mvs_get_alias, mvs_check_alias): New functions.
24598 (handle_pragma): New function.
24599 (mvs_function_check): New function.
24600 (unsigned_jump_follows_p): Search harder.
24601 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24602 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24603 * i370.h (TARGET_VERSION): Delete.
24604 (CPP_SPEC, CPP_PREDEFINES): Delete.
24605 (mvs_label_emitted): Delete.
24606 (TARGET_EBCDIC): Delete.
24607 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24608 (HANDLE_PRAGMA): Define.
24609 (HARD_REGNO_NREGS): Handle complex modes.
24610 (HARD_REGNO_MODE_OK): Likewise.
24611 (CLASS_MAX_NREGS): Likewise.
24612 (RET_REG): Likewise.
24613 (EXTRA_CONSTRAINT): Define.
24614 (RETURN_IN_MEMORY): True for DImode.
24615 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24616 (FUNCTION_PROFILER): Delete.
24617 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24618 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24619 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24620 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24621 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24622 (ASM_FILE_START): Add "RMODE ANY".
24623 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24624 (ASM_GLOBALIZE_LABEL): Likewise.
24625 (ASM_OUTPUT_LABELREF): Likewise.
24626 (ASM_OUTPUT_COMMON): Likewise.
24627 (PRINT_OPERAND): Handle 'K', 'W', default.
24628 (PRINT_OPERAND_ADDRESS): New.
24629 (Lots of defines): Add support for TARGET_ELF_ABI.
24630 * i370.md (attr length): New. Define for all patterns.
24631 (*): Lots of tweeks to assembly output and constraints.
24633 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24635 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24636 Disable patterns performing SImode comparisons with SImode values
24637 if TARGET_POWERPC64 and instruction does not sign-extend or does
24638 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24639 differ for signed quantities.
24640 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24641 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24642 (decrement_and_branch_on_count): Add 64-bit variant.
24644 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24646 * final.c (output_asm_insn): When searching for the matching string
24647 for a given dialect, don't run past the end of the list of
24648 alternatives if there are fewer alternatives in the template than
24651 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24653 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24654 Removed paragraph about compression of files and size limitation,
24655 duplicated in the FAQ. Use gcc-patches for posting patches.
24656 * gcc.c (main): Updated URL with bug reporting instructions to
24657 gcc.gnu.org. Removed e-mail address.
24658 * system.h (abort): Likewise.
24660 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24662 * Makefile.in (stmp-multilib-sub): Make the files extracted
24663 from $(LIBGCC1) writable.
24665 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24667 * config/arm/aout.h: Reformat for improved readability.
24669 * config/arm/arm.h: Reformat for improved readability.
24670 Replace uses of fprintf with asm_fprintf where appropriate.
24671 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24672 function declaration assembler actions.
24673 (NUM_INTS): New macro: Convert from bytes to words.
24674 (NUM_REGS): New macro: Compute number of registers required to
24675 hold a quanitity of tyep MODE.
24676 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24678 (NUM_ARG_REGS): New macro: The number of argument registers
24680 (ARG_REGISTER): New macro: Compute the register number of the Nth
24682 (LAST_ARG_REGNUM): New macro: The number of the last argument
24684 (SP_REGNUM): New macro: Register number of the stack pointer.
24685 (FP_REGNUM): New macro: Register number of the frame pointer.
24686 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24687 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24688 CUMULATIVE_ARGS so that it counts registers not bytes.
24690 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24692 Replace uses of fprintf with asm_fprintf where appropriate.
24693 (output_ascii_pseudo_op): Replace with version from thumb.c
24695 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24697 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24698 SUBTARGET_CPP_SPEC.
24699 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24700 (ASM_FILE_START): Emit ASM_APP_OFF.
24702 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24704 * pa.c (compute_frame_size): Round frame according to
24705 STACK_BOUNDARY rather than a hardwired value.
24707 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24709 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24711 * configure: Rebuilt.
24713 * configure.in (hppa*-*-linux*): New configuration.
24714 * configure: Rebuilt.
24715 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24716 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24717 * pa/pa-linux.h: New file.
24718 * pa/t-linux: New file.
24719 * pa/xm-linux.h: New file.
24721 * pa.c (hppa_legitimize_address): Change references from SImode to
24722 either Pmode or word_mode as appropriate.
24723 (emit_move_sequence, store_reg, load_reg): Likewise.
24724 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24725 (output_mul_insn): Likewise.
24726 * pa.h (PROMOTE_MODE): Likewise.
24727 (INITIALZE_TRAMPOLINE): Likewise.
24728 (Pmode): Define to word_mode.
24730 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24731 value of 4. Allocate 8 bytes for each FP register save.
24732 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24734 (hppa_expand_prologue): Likewise.
24735 * pa.h (PROMOTE_MODE): Likewise.
24736 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24737 (FUNCTION_ARG_BOUNDARY): Likewise.
24739 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24741 * pa.c (out_of_line_prologue_epilogue): Delete.
24742 (override_options): Remove -mspace related code.
24743 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24744 (compute_frame_size): Only allocate space for register that
24745 actually need to be saved.
24746 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24747 (TARGET_SWITCHES): Remove -mspace, -mno-space
24748 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24749 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24750 * pa/ee.asm, pa/ee_fp.asm: Delete.
24752 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24754 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24755 directive in column zero.
24757 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24759 * m68k.c (output_function_prologue): Fix computation of save mask
24760 when generating PIC code.
24762 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24764 * tree.c (build_type_attribute_variant): Move current_obstack restore
24765 after build_qualified_type call.
24767 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24769 * configure.in: Use t-iris6, even with GNU LD.
24770 * config/mips/iris6gld.h: Fix typo in linker spec.
24771 * config/mips/t-iris6gld: Remove.
24773 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24775 * rs6000.md (insv, extzv): Remove SImode dependence in named
24776 patterns. Explicitly generate DImode RTL if PowerPC64 and
24778 (insvdi): Reverse start and size in instruction template.
24780 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24782 * invoke.texi: Typo fixes.
24784 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24786 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24787 handle at this time instead of silently generating incorrect code.
24788 (gen_imagpart): Likewise.
24790 * reload.c (find_reloads): Emit a USE for a pseudo register without
24791 a hard register if we could not create an optional reload for the
24794 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24796 * c-typeck.c (output_init_element, process_init_element):
24797 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24798 check for nameless bit fields.
24800 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24802 * regclass.c (scan_one_insn): Notice subregs that change the
24803 size of their operand.
24804 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24806 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24808 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24809 * configure: Rebuilt.
24810 * alpha/t-ieee: New file.
24812 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24814 * rs6000.c (find_addr_reg): Do not select r0 as an address
24817 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24819 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24821 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24823 * rs6000.md (movsf): Do not force easy FP constants into memory.
24825 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24826 immed_double_const to ensure they are properly truncated then
24829 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24831 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
24832 always unless NO_DEBUG is used. Compile this code
24834 (replace_symbols_in_block): Compile it unconditionally.
24836 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
24838 * configure.in (i?86-*-elf*): New target.
24839 * configure: Rebuilt.
24840 * i386/i386elf.h, i386/t-i386elf: New files.
24842 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24844 * toplev.c (main): Don't complain about saying -gdwarf.
24845 (rest_of_compilation): Remove redundant code.
24847 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
24849 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
24851 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
24853 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
24854 "Li960R:", to avoid name clash.
24856 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24858 * loop.c (check_dbra_loop): When reversing a loop, delete all
24859 REG_EQUAL notes referencing the reversed biv except those which are
24860 for a giv based on it.
24862 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
24864 * version.c: Drop "gcc-" prefix from version #.
24866 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
24868 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
24869 the label if we're being verbose.
24871 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
24873 * m68k.c (output_function_prologue): Add pic register to mask
24874 if live and flag_pic.
24875 (output_function_epilogue): Likewise.
24877 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
24879 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
24880 directives in column zero.
24882 * pa/elf.h (ASM_FILE_START): Define.
24883 * pa/som.h (ASM_FILE_START): Include .level directives.
24884 * pa/hpux10.h (ASM_FILE_START): Delete.
24885 * pa/hpux11.h (ASM_FILE_START): Delete.
24887 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
24889 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24891 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
24892 when reload_out equals reload_in.
24894 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
24896 * invoke.texi (Spec Files): New node: Describe the contents of
24899 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
24901 * invoke.texi (DEC Alpha Options): Put @end table at
24902 beginning of line, to avoid confusing texi2html.
24904 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
24906 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
24907 introduced in previous delta.
24909 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24911 * reload1.c (gen_reload): When synthesizing a 3 operand add
24912 sequence, improve test for when to reload OP1 into the reload
24913 register instead of OP0.
24915 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
24917 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
24919 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
24921 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
24924 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
24926 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
24927 (va_dcl): Use __builtin_va_alist_t.
24929 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
24931 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
24932 on the permanent_obstack.
24933 * dwarfout.c (output_type): Likewise.
24935 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
24937 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24938 Merged from c-typeck.c and cp/typeck.c.
24939 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24940 Merged into c-common.
24942 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
24944 * c-lex.c (errorcount): Declare it.
24945 (finish_parse): Update errorcount when using CPPLIB.
24947 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
24949 * fixinc/inclhack.def(end_else_label): Double the backslash so
24950 sed gets a chance to see it.
24951 * fixinc/inclhack.sh: regen
24952 * fixinc/fixincl.x: regen
24954 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
24956 Add framework to support armv5 architecture when it becomes
24959 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
24960 (arm_arch5): New variable.
24961 (all_architectures): Add armv5 line.
24962 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
24963 -march=armv5 is specified on the command line.
24964 (arm_arch5): Export this variable.
24965 * invoke.texi: Document new string accepted by -march= switch for
24968 * config/arm/arm.h: Replace use of constant 12 as a register
24969 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24970 * config/arm/arm.c: Replace use of constant 12 as a register
24971 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24973 * config/arm/elf.h: Tidy up.
24974 * config/arm/coff.h: Tidy up.
24976 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
24978 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
24979 * gcc/config/mips/t-iris6gld: New file.
24980 * gcc/config/mips/iris6gld.h: Likewise.
24982 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
24984 * c-decl.c (widest_integer_literal_type_node,
24985 widest_unsigned_literal_type) : New.
24986 (init_decl_processing): Handle/use the two new types.
24987 * c-common.c (type_for_size,type_for_mode) : Same.
24988 * c-lex.c (yylex) : Same.
24989 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24991 * c-tree.h (widest_integer_literal_type_node,
24992 widest_unsigned_literal_type) : New.
24994 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
24996 * dwarfout.c (field_byte_offset): Correctly compute the object's
24997 byte offset for the first bit of a field which crosses an alignment
24998 boundary on a !BYTES_BIG_ENDIAN target.
25000 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25002 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25005 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25006 Jeff Law <law@cygnus.com>
25008 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25011 * except.c: Include intl.h.
25012 (expand_eh_return): Set current_function_cannot_inline.
25013 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25014 * function.h (struct function): Add eh_return_stub_label.
25015 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25016 * Makefile.in (except.o): Depend on intl.h.
25018 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25020 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25021 same as offsettable in cases 1 and 2.
25023 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25025 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25026 (extlh, extwh): Likewise.
25028 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25030 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25032 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25034 * configure.in: Add arm-pe and thumb-pe targets.
25035 * configure: Regenerate.
25037 * thumb.c (arm_naked_function_p): New function: Determines if
25038 a function is naked (has no gcc generated prologue/epilogue).
25039 (is_called_in_ARM_mode): Return true if the func has the
25040 interfacearm attribute.
25041 (output_return): Do not generate a return for naked functions.
25042 (thumb_function_prologue): Do not generate a prologue for
25044 (thumb_expand_prologue): Do not generate a prologue for naked
25046 (thumb_expand_epilogue): Do not generate an epilogue for naked
25048 (arm_valid_machine_decl_attribute): New function, copied from
25049 arm.c: Permit naked and interfacearm attributes.
25051 * config/arm/pe.c: New file: Support code for arm-pe target.
25052 * config/arm/pe.h: New file: Header file for arm-pe target.
25053 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25054 * config/arm/t-thumb-pe: New file: Makefile fragment for
25057 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25059 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25060 -fPIC or -fpic is specified.
25062 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25064 * expr.c (emit_block_move): Use copy_to_mode_reg for
25065 !TARGET_MEM_FUNCTIONS case too.
25067 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25069 * configure: Rebuilt.
25070 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25071 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25072 definitions made redundant by dbxelf.h inclusion. Delete
25073 lots of definitions related to assembly output that are
25074 specific to the SOM object format.
25075 * pa.c (output_function_prologue): Do not emit the function's
25077 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25078 * pa-pro.h: Deleted.
25079 * som.h: New file with SOM specific definitions.
25080 * elf.h: New file with ELF specific definitions.
25082 * elfos.h (const_section): Output a tab before assembler directives.
25083 (ctors_section, dtors_section): Likewise.
25084 (ASM_OUTPUT_SECTION_NAME): Likewise.
25086 * pa/pa1.h: Delete unused file.
25088 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25090 * configure.in (hppa*-hp-hpux11*): New configuration.
25091 * configure: Rebuilt.
25092 * pa/pa-hpux11.h: New file.
25093 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25096 * mips.md (leasi, leadi): New patterns.
25098 * expr.c (emit_block_move): Properly handle case where one of the
25099 block move arguments has a queued increment or decrement.
25100 (clear_storage): Similarly. Fix formatting goof.
25102 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25104 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25105 semicolon from the BSD VA_LIST replacement expression.
25107 * fixinc/inclhack.sh: regen
25108 * fixinc/fixincl.x: regen
25110 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25111 now use the fixincl program.
25113 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25115 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25116 case. Also make the PIC register call_used.
25118 * m68k.h (FINALIZE_PIC): Delete.
25119 * m68k.c (finalize_pic): Delete.
25121 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25123 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25126 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25128 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25130 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25132 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25134 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25136 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25138 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25140 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25142 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25144 * rs6000.c (output_toc): Always use hex values for floating-point
25145 constants. Store single-precision values in upper-half of TOC
25146 entry in 64-bit mode.
25147 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25148 to final constraints.
25149 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25150 (fctiwz): Improve accuracy of RTL for pattern.
25152 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25154 * expr.c (expand_expr): Allow RTL_EXPR's through the
25155 MAX_INTEGER_COMPUTATION_MODE checks.
25157 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25159 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25160 such that MASK_SUPPORT_ARCH is not negative.
25162 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25164 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25165 ADDR_DIFF_VEC insns that appear inside loops.
25167 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25168 Jeff Law <law@cygnus.com>
25170 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25171 Handle LO_SUM the same as offsettable in cases 1 and 2.
25172 * rs6000.c (find_addr_reg): Revert previous patch.
25174 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25176 * system.h (strstr): New external function declaration.
25177 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25178 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25179 * config.in, configure: Rebuilt.
25181 1999-06-24 Tom Tromey <tromey@cygnus.com>
25183 * gcc.c (main): Read user-specified specs files after computing
25184 additional startfile_prefixes.
25186 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25188 Revert these two patches:
25190 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25191 * loop.c (strength_reduce): When doing biv->giv conversion, update
25192 reg note of NEXT->insn.
25194 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25195 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25197 (recombine_givs): Set ix field after sorting.
25199 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25201 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25202 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25204 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25206 *fixinc/inclhack.def: Add fix development commentary
25207 (read_ret_type): reactivate and add selection clause
25208 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25209 *fixinc/{fixincl.x|inclhack.sh}: regen
25211 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25213 * expr.c (expand_expr): STRIP_NOPS before checking against
25214 MAX_INTEGER_COMPUTATION_MODE
25215 (check_max_integer_computation_mode): Likewise.
25217 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25219 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25221 1999-06-22 Jim Wilson <wilson@cygnus.com>
25223 * expr.c (store_expr): When target is a promoted subreg, return a
25224 promoted subreg as a result.
25226 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25228 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25230 (dwarf2out_define): Mark unused parameters appropriately.
25231 (gen_unspecified_parameters_die): Ditto.
25232 (gen_subprogram_die): Fix signed/unsigned warnings.
25233 (gen_variable_die): Ditto.
25235 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25237 * fixinc/inclhack.def(end_else_label): combined else_label
25238 and endif_label and fixed the sed expression.
25239 *fixinc/{fixincl.x|inclhack.sh}: regen
25241 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25243 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25244 'x' when handling non-offsettable addresses
25246 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25248 * final.c (shorten_branches): Don't try to split an insn that has
25251 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25253 * config/mips/mips.c (symbolic_expression_p): New function.
25254 (mips_select_rtx_section): Put symbolic expressions in the
25255 data section, not the read-only data section.
25257 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25259 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25261 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25263 * collect2.c (main): Log frame table count.
25264 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25265 (scan_prog_file) [COFF]: Handle frame tables.
25267 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25268 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25269 * alpha/elf.h: Undef them again.
25270 * alpha/vms.h: Remove their definitions.
25272 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25274 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25275 remove the clobber of r0 and change the REG_UNUSED note to
25278 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25280 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25281 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25282 fits in HOST_WIDE_INT and one uses union to access a long constant
25285 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25287 * sparc.c (sparc_override_options): Don't allow profiling for
25288 code models other than medlow.
25289 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25290 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25291 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25292 (sparc_block_profiler): Likewise.
25293 (sparc_function_block_profiler_exit): Likewise.
25294 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25295 (FUNCTION_BLOCK_PROFILER): Likewise.
25296 (BLOCK_PROFILER): Likewise.
25297 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25298 (MCOUNT_FUNCTION): New.
25299 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25300 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25301 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25302 (MCOUNT_FUNCTION): New.
25303 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25304 (BLOCK_PROFILER): Delete.
25305 (MCOUNT_FUNCTION): New.
25307 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25309 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25311 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25313 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25316 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25319 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25322 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25325 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25327 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25330 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25332 * i386/djgpp.h (LIB_SPEC): New.
25333 (STARTFILE_SPEC): New.
25335 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25337 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25339 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25342 * system.h (WSTOPSIG): New macro.
25344 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25346 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25348 (insert_pack_attributes): Take into account member natural
25351 * i386/winnt.c (exports_head): New static variable.
25352 (i386_pe_record_exported_symbol): New function.
25353 (i386_pe_asm_file_end): Use.
25354 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25355 symbols to be emitted at end of assembly.
25356 (ASM_DECLARE_OBJECT_NAME): Likewise.
25357 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25359 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25362 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25364 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25367 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25369 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25370 zapping reg_last_uses directly.
25371 (sched_analyze_2, sched_analyze_insn): Likewise.
25372 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25374 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25376 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25377 attributes for cases 1 and 2.
25379 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25381 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25384 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25386 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25388 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25390 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25391 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25392 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25393 must be stacked if it is used for PIC accesses.
25394 * arm.c (use_return_insn): Handle PIC register specially.
25395 (output_return_instruction): Likewise.
25396 (output_func_{prologue,epilogue}): Likewise.
25397 (output_expand_prologue): Likewise.
25399 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25400 (*strsi_predec): Renamed from *strqi_predec.
25401 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25402 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25404 * arm.c (arm_override_options): Remove warning about PIC code
25405 not being supported.
25407 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25409 * rs6000.c (find_addr_reg): New function.
25410 * rs6000.h (find_addr_reg): Declare.
25411 (offsettable_addr_operand): Delete.
25412 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25413 from and stores to GPRs.
25415 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25417 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25418 gen_sequence as argument to emit_no_conflict_block.
25420 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25422 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25423 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25424 *fixinc/fixincl.x: regen
25425 *fixinc/inclhack.sh: regen
25427 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25429 * added support for -mpcrel (PC relative addressing for m68k)
25430 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25431 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25432 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25433 (comments for general_src_operand): Add some explanation
25434 about EXTRA_CONSTRAINTS.
25435 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25436 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25437 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25438 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25439 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25440 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25441 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25442 if not already set.
25443 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25444 * m68k.h (TARGET_PCREL): New target flag.
25445 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25446 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25447 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25448 contains a SYMBOL_REF. Relax this constraint during reload, since
25449 we want to use the predicates, not reload's built-in concept of a
25450 valid memory address, to control what insns need reloading.
25451 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25452 operands (essentially 'g', 'm', and 's' under normal circumstances).
25453 * m68k.c (print_operand): Cause printing of pc-relative addresses
25454 to include pc register.
25455 (print_operand_address): Ditto.
25456 (general_src_operand): Accept operands that are not only
25457 general_operands, but are also valid when used as a pc-relative
25459 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25460 (memory_src_operand): Similar, for memory_operands.
25461 (pcrel_address): New predicate to accept the special case of a
25462 pc-relative address.
25463 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25464 QImode insns to accept *_src_operand instead of *_operand where
25465 pc-relative operands can fit. For example, a pc-relative operand
25466 can be used as a memory source operand for addsi3, but not as a
25467 memory destination.
25468 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25470 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25472 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25473 .thumb_set pseudo op to mark aliases of thumb functions.
25475 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25477 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25478 preference to ASM_OUTPUT_DEF, if it is defined.
25480 * tm.texi: Document new, optional target macro
25481 ASM_OUTPUT_DEF_FROM_DECLS.
25483 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25485 * fixincludes: ISCNTL patch
25486 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25487 (dgux_int_varargs): new for DG/UX
25488 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25490 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25492 * invoke.texi (ia32 options): Fix typo.
25494 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25496 * loop.c (strength_reduce): When doing biv->giv conversion, update
25497 reg note of NEXT->insn.
25499 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25501 * loop.c (move_movables): Note issues with replacing REGs with
25503 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25505 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25507 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25509 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25510 the reference to `mcount' was not correct for the ELF on FreeBSD.
25512 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25514 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25517 (recombine_givs): Set ix field after sorting.
25519 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25521 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25522 to safe to extract a subword out of a REG.
25524 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25526 * sh.md (mulsi3): Don't add a no-op move at the end.
25528 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25530 * cse.c (cse_insn): Don't put hard register source into tables for
25531 the last insn of a libcall.
25533 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25535 * loop.c (strength_reduce): Insert sets of derived givs at every
25536 biv increment, even if it's the only one.
25538 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25540 * dwarfout.c (add_incomplete_type): New fn.
25541 (output_type): Call it.
25542 (retry_incomplete_types): New fn.
25543 (dwarfout_finish): Call it.
25545 From Eric Raskin <ehr@listworks.com>:
25546 (output_type): Output types for bases.
25548 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25550 * mips.c (mips_output_conditional_branch): Add `break'
25551 between `default' label and `close braces'.
25553 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25555 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25556 specifications and make it realistic.
25557 (LIB_SPEC): Likewise.
25559 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25561 * config/mips/mips.c (mips_secondary_reload_class): Check for
25562 (PLUS (SP) (REG)) and return appropriate register class.
25563 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25564 Handle (PLUS (SP) (REG)).
25565 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25566 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25567 of emit_insn for tablejump.
25569 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25571 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25572 asm_fprintf format string by itself.
25573 (output_function_profiler): Likewise.
25575 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25577 * combine.c (simplify_logical, case AND): Only call
25578 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25579 or the constant is positive.
25581 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25583 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25584 * configure: Regenerate.
25586 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25588 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25589 require a sub-version #.
25590 * configure: Rebuilt.
25592 1999-06-14 Robert Lipe (robertlipe@usa.net)
25594 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25596 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25598 * c-typeck.c (process_init_element): Detect excess elements in
25599 char array initializer.
25601 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25603 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25605 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25607 * invoke.texi (Option Summary): Add -fpermissive flag.
25609 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25611 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25612 that require PIC code sequences.
25614 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25616 * configure.in: Add new target: thumb-elf.
25617 * configure: Regenerate.
25618 * config/arm/t-thumb-elf: New file: Makefile fragment for
25620 * config/arm/telf.h: New file: Header file for thumb-elf
25623 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25625 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25626 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25627 initializers is some circumstances.
25629 * fixinc/inclhack.def (endif_label): Add additional selector for
25630 more bogus stuff after #endif statements.
25631 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25633 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25635 * i386/cygwin.h (SET_ASM_OP): Define.
25637 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25639 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25641 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25643 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25646 * sh.md (ic_invalidate_line_i): Remove second alternative.
25648 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25650 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25651 test for the presence of valid prototypes. Delete bypass expr.
25652 (ioctl_fix_ctrl): Correct the selection expression.
25653 (no_double_slash): Correct quoting rules
25654 *fixinc/fixincl.x: regen
25655 *fixinc/inclhack.sh: regen
25657 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25659 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25661 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25663 * rs6000.md (movsi_got_internal_mem): Delete.
25664 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25665 (GOT_TOC_REGNUM): Delete.
25666 (PIC_OFFSET_TABLE_REGNUM): Define.
25667 (FINALIZE_PIC): Disable.
25668 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25669 (rs6000_replace_regno): Delete.
25670 (rs6000_finalize_pic): Likewise.
25671 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25673 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25675 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25676 is a note; use <= for the compare; advance P while it is
25679 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25681 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25682 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25684 * varasm.c (remove_from_pending_weak_list): Verify t->name
25685 is non-NULL before passing it to strcmp.
25687 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25689 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25690 the typed arguments are not part of a comment
25691 (ioctl_fix_ctrl): Added a purpose comment
25692 *fixinc/fixincl.x: regenerate
25693 *fixinc/inclhack.sh: regenerate
25695 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25697 * invoke.texi: Add C4x invocation docs.
25699 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25701 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25703 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25705 (c4x_legitimize_reload_address): New function.
25706 * config/c4x/c4x.md: Update docs.
25708 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25710 * fixincludes: Avoid removing '.'.
25711 * fixinc/fixinc.svr4: Likewise.
25712 * fixinc/fixinc.winnt: Likewise.
25713 * fixinc/inclhack.tpl: Likewise.
25714 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25716 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25718 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25720 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25722 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25724 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25727 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25729 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25730 * configure: Regenerate.
25732 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25734 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25737 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25739 * fixinc/inclhack.def (avoid_bool): Also catch
25740 "typedef [unsigned] int bool".
25741 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25743 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25744 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25745 * configure: Rebuilt.
25747 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25749 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25750 such that we can override its definitions if necessary.
25751 (CPP_SPEC): New define. Support processor specific predefines via
25753 (CC1_SPEC): New define. Support processor specific compiler
25754 options via %(cc1_cpu).
25755 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25758 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25760 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25761 between sed's -e flag, and the open-quote following it.
25762 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25764 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25765 Jeffrey A Law (law@cygnus.com)
25767 * varasm.c (assemble_start_function): Remove the function
25768 from the pending weak decls list when we define a function.
25769 (assemble_variable): Similarly for variables.
25770 (weak_finish): Ignore items on the list with a NULL name.
25771 (remove_from_ending_weak_list); New function to "remove" an item
25772 from the pending weak declarations list.
25774 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25776 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25778 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25780 * c-lex.c (GETC): Redefine to call getch.
25781 (UNGETC): Redefine to call put_back.
25782 (putback_buffer): New structure type.
25783 (putback): New static structure.
25784 (getch): New function.
25785 (put_back): New function.
25786 (yylex): Replace unused bytes from bad multibyte character.
25788 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25790 * cpplib.c (do_define): Cast `alloca' return value.
25791 (do_include, do_undef, do_pragma): Likewise.
25792 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25794 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25795 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25797 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25799 * sparc.md (abstf2): This should be an expand.
25800 (split after abstf2_notv9): Fix mode.
25801 (abstf2_hq_v9): New pattern.
25802 (abstf2_v9): Only use when no hard quad.
25803 (absdf2_v9): Fix if target is not the same as source.
25804 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25805 Add correct output constraints.
25807 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25809 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25810 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25812 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25814 * mips.h (mips_output_conditional_branch): New function.
25815 (mips_adjust_insn_length): Likewise.
25816 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25817 (ADJUST_INSN_LENGTH): Likewise.
25818 * mips.c (print_operand): Add `F' and `W' for floating-point
25819 comparison opcodes.
25820 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25822 (mips_adjust_insn_length): New function.
25823 (mips_output_conditional_branch): New function.
25824 * mips.md (length): Adjust attribute definition to handle
25825 conditional branches. Change lengths to bytes, rather than
25826 instructions throughout. Remove length attribute from
25827 instructions whose length is four bytes, and rely on the default
25829 (dslot): Fix typo in comment.
25830 Reword conditional branch patterns to use
25831 mips_output_conditional_branch.
25833 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25835 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
25836 (LIB_SPEC): Likewise.
25837 Link with -lprof1_r for -g/-pg.
25839 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25841 * loop.c (check_dbra_loop): Fix change of Jan 19.
25843 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
25845 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
25846 (STARTFILE_SPEC): Define, override the svr4.h version.
25847 (ENDFILE_SPEC): Likewise.
25849 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
25851 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
25852 * fixinc/fixincl.x: Regenerated.
25853 * fixinc/inclhack.sh: Regenerated.
25855 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25857 * sh.c (barrier_align): Don't return early for normal branch/barrier
25858 when optimizing for SH2.
25860 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
25862 * i386/udk.h (LINK_SPEC): Correct linker search path for
25865 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25867 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
25868 (braf_label_ref_operand): Delete.
25869 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
25870 * sh.md (casesi_jump_2): Operand1 is now the inside of a
25871 label_ref, and has no predicate.
25872 The patten has a predicate to guard against invalid substitutions.
25873 (dummy_jump): Delete.
25874 (casesi): Update use of casesi_jump_2.
25876 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25878 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
25879 *fixinc/fixincl.x: regenerate
25880 *fixinc/inclhack.sh: regenerate
25882 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
25884 * dwarf2out.c (add_incomplete_type): New fn.
25885 (gen_struct_or_union_type_die): Call it.
25886 (retry_incomplete_types): New fn.
25887 (dwarf2out_finish): Call it.
25889 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
25891 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
25892 current block starts with a CODE_LABEL and ends with a CALL and
25893 we can not find all the argument setup instructions for the CALL.
25895 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
25897 Revert this change:
25898 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25899 something is a candidate for optimize_bit_field_compare.
25901 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25903 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
25905 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
25907 * alpha.c (override_options): Thinko in last patch.
25909 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
25910 (LIB_SPEC): Recognize -pthread.
25912 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
25914 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
25915 definition in config/arm/coff.h
25916 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
25918 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25920 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
25921 fixes that need "file=xxx\n" prepended before invocation
25922 (start_fixer - new): starting the fixer process is complex enough
25923 to warrent its own routine. It prepends the "file=xxx\n" stuff.
25924 (process): uses the new routine; omit usage of putenv()
25925 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
25926 * fixinc/fixincl.x: regenerate
25928 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
25930 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
25931 and version #s (1.1 -> 2.96) as needed.
25932 * README.g77: Kill way out of date file in the toplevel directory.
25934 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
25936 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
25937 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
25938 * configure: Rebuilt.
25939 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
25940 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
25941 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
25942 (SWITCH_TAKES_ARG): Likewise.
25943 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
25944 * config/t-freebsd: Moved from config/i386/ so it can used for all
25947 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
25949 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
25951 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
25953 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
25954 * configure: Rebuilt.
25956 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
25958 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
25959 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
25960 * rs6000/rs6000.c (rs6000_file_start): Use putc.
25961 (rs6000_output_load_toc_table): Same.
25962 (output_prolog, output_mi_thunk): Same.
25963 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
25964 (ASM_GLOBALIZE_LABEL): Use putc.
25966 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
25968 * alpha.md (reload_*_help): New patterns and splitters.
25969 (reload_*): Use them.
25970 (mov[qh]i): Likewise.
25972 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
25974 * cccp.c (handle_directive): Handle backslash-newlines in quoted
25977 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
25979 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
25981 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
25983 * flow.c (mark_regs_live_at_end, insn_dead_p,
25984 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
25985 and HARD_FRAME_POINTER_REGNUM special treatment if reload
25986 hasn't run or the frame pointer is needed.
25987 * haifa-sched.c (attach_deaths): Likewise.
25988 * sched.c (attach_deaths): Likewise.
25990 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
25992 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
25993 calculate_can_reach_end returns nonzero.
25995 * configure.in (native gas tests): Search for an assembler in the
25996 same manner that the installed compiler will.
25997 * configure: Rebuilt.
25998 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26000 * alias.c (find_base_term): Improve handling of addresses
26001 constructed from binary operations.
26003 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26005 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26007 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26009 * function.h (cleanup_label, frame_offset): Declare.
26010 (tail_recursion_label, tail_recursion_reentry): Likewise.
26011 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26012 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26013 (tail_recursion_label, tail_recursion_reentry): Likewise.
26014 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26016 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26018 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26020 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26021 (MAX_OFILE_ALIGNMENT): Define.
26023 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26025 * fixincl.c: Replace local include scheme with #includes of
26026 gansidecl.h and system.h.
26027 * procopen.c: Likewise.
26028 * server.c: Likewise.
26030 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26032 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26033 (crti.o): Add build rule and dependencies.
26034 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26036 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26038 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26039 (LIB_LINUX_SPEC): Likewise.
26040 (LIB_LINUX_SPEC): Add support for -pthread
26041 (CPP_OS_LINUX_SPEC): Likewise.
26042 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26045 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26047 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26049 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26050 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26051 for IEEE math and CC_FCOMI.
26052 (put_jump_code): No IEEE if CC_FCOMI is set.
26054 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26056 * fold-const.c (fold_truthop): Make the field reference unsigned
26057 when converting a single bit compare.
26059 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26061 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26063 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26065 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26066 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26069 * reload.c (push_reload): Do not call remove_address_replacements
26070 when presented with identical optional reloads.
26072 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26074 * alpha.h (MASK_FIX, TARGET_FIX): New.
26075 (MASK_*): Reorganize constants.
26076 (CPP_AM_FIX_SPEC): New.
26077 (TARGET_SWITCHES): Add FIX.
26078 (EXTRA_SPECS): Likewise.
26079 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26080 (SECONDARY_MEMORY_NEEDED): Likewise.
26081 (REGISTER_MOVE_COST): Likewise.
26082 * alpha.c (override_options): Add FIX support. Always use
26083 ALPHA_TP_PROG for ev6.
26084 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26085 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26086 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26088 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26090 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26091 something is a candidate for optimize_bit_field_compare.
26093 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26095 * gcc.texi (Passes): Document branch-shortening.
26096 * invoke.texi (Debugging Options): Document the fact that `-dp'
26097 outputs length information for instructions.
26099 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26101 * flow.c: Revert previous delta.
26103 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26105 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26106 FRAME_POINTER_REGNUM.
26107 (mark_set_1): Ditto.
26108 (mark_used_regs): Ditto.
26110 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26112 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26113 (GOT_PCREL): New macro. Define to 1 if not already defined.
26114 * arm/elf.h (GOT_PCREL): Define to 0.
26115 * arm.c (arm_finalize_pic): Take into account the setting of
26118 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26120 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26121 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26123 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26124 store elimination candidates.
26126 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26128 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26131 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26133 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26134 Add use of x-aix41-gld.
26136 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26138 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26139 (ASM_OUTPUT_DESTRUCTOR): Define.
26141 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26143 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26144 last CODE_LABEL in a loop if we have previously passed a jump
26145 to the top of the loop.
26147 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26149 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26150 applying Philip's patch.
26152 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26154 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26157 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26159 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26161 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26163 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26164 Also remove a useless comment.
26166 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26168 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26170 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26172 * collect2.c (main): Only generate import or export file and add
26173 to link arguments if non-empty. Use xmalloc not alloca.
26174 (write_{export,import}_file): Delete.
26175 (write_aix_file): New function.
26176 (locatelib): Use xmalloc not malloc.
26177 (GCC_OK_SYMBOL): Do not check type if aix64.
26179 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26181 Based on patch by Scott Bambrough and Pat Beirne:
26182 * config/arm/arm.c (making_const_table): New variable.
26183 * config/arm/arm.h (making_const_table): Declare.
26184 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26186 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26187 Keep track of when we are building the constant table.
26189 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26191 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26194 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26196 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26199 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26201 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26204 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26206 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26208 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26210 * rs6000.c (output_mi_thunk): Enable full support again.
26212 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26214 * sh.h (BRANCH_COST): Define.
26216 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26218 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26220 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26222 * function.c (assign_stack_local): Align stack slot propertly.
26223 (assign_outer_stack_local): Likewise.
26225 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26227 * expr.h (lang_expand_constant): Declare.
26228 * toplev.c (lang_expand_constant): Define it.
26229 * varasm.c (output_constant): Use it.
26231 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26233 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26234 Change function definitions to K&R style.
26236 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26238 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26240 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26242 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26243 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26244 (several places): omit static initialization
26245 (process): use single fd, since only the read fd is used
26246 * fixinc/gnu-regex.c: define 'const' away, if not supported
26247 * fixinc/procopen.c(several places): omit static initialization
26248 * fixinc/server.c: define 'volitile' away, if not supported
26250 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26252 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26253 asm_fprintf and %L to generate the label name.
26254 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26255 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26257 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26259 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26260 insn for a conditional jump can not be found.
26262 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26264 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26265 on variables in specific sections other than .sbss and .sdata.
26267 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26269 * stmt.c (expand_return): Call start_cleanup_deferral and
26270 end_cleanup_deferral around conditional code.
26272 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26274 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26275 filename lists. Utilizes new "krstr" AutoGen function.
26276 * fixinc/fixincl.x: Rebuilt.
26278 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26280 * i386.c (output_float_compare): Avoid GNU-C extensions.
26282 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26284 * version.c: Bump to distinguish mainline tree from the
26287 See ChangeLog.1 for earlier changes.