1 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3 * Makefile.in (OBJS): Add timevar.o.
4 (toplev.o): Depend on timevar.h.
5 (ggc-simple.o): Likewise.
6 (ggc-page.o): Likewise.
10 * timevar.h: New file.
11 * timevar.c: Likewise.
12 * timevar.def: Likewise.
14 * toplev.h (gc_time, parse_time, varconst_time): Remove.
15 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
17 (TIMEVAR): Remove macro.
18 (gc_time, parse_time, varconst_time, integration_time, jump_time,
19 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
20 flow_time, combine_time, regmove_time, sched_time,
21 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
22 sched2_time, dbr_sched_time, reorder_blocks_time,
23 rename_registers_time, shorten_branch_time, stack_reg_time,
24 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
26 (compile_file): Don't initialize time variables. Call
27 init_timevar and start TV_TOTAL timer. Call timevar_print instead
28 of many calls to print_time.
29 (rest_of_compilation): Add timing for reload_cse_regs.
30 (get_run_time): Removed to timevar.c.
31 (print_time): Likewise.
32 (get_run_time): Implement using TV_TOTAL time variable.
33 (print_time): Get total run time from get_run_time.
34 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
35 computing elapsed time explicitly.
36 * ggc-simple.c (ggc_collect): Likewise.
37 (gc_time): Remove declaration.
39 2000-04-27 Mark Mitchell <mark@codesourcery.com>
41 * calls.c (combine_pending_stack_adjustment_and_call): New function.
42 (expand_call): Use it.
44 2000-04-27 Jan Hubicka <jh@suse.cz>
46 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
49 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
51 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
54 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
56 * function.c (epilogue_done): Pass whole insn to record_insns.
58 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
60 * cse.c (CSE_ADDRESS_COST): Remove.
61 (find_best_addr): Add new parameter "MODE", use address_cost instead
64 (fold_rtx): Update call of find_best_addr.
65 * rtl.h (address_cost): Declare.
66 * loop.c (general_induction_var): Add new parameter "MODE", use
67 address_cost instead of ADDRESS_COST
68 (init_loop): Use address_cost instead of ADDRESS_COST.
69 (check_insn_for_givs): Update call of general_induction_var.
70 (find_mem_givs): Likewise.
71 (consec_sets_giv): Likewise.
72 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
73 * i386.c (ix86_address_cost): New.
74 * i386-protos.h (ix86_address_cost): Declare.
76 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
78 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
81 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
83 * expr.c (store_expr): Use clear_storage instead of direct memset
86 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
88 * config/mn10300/mn10300.c (mn10300_address_cost): Test
89 ASHIFT, AND and LABEL_REF.
91 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
93 * invoke.texi (-foptimize-sibling-calls): Fix.
95 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
97 * loop.c (load_mems) Don't use hard registers for the hoisting.
99 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
100 calculation; rename const_equiv array in the preconditioning code
101 from loop_unroll to loop_unroll_precondition
103 2000-04-27 Richard Henderson <rth@cygnus.com>
105 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
107 (propagate_one_insn): Clear it. Don't update reg_live here.
108 (init_propagate_block_info): Update for pbi member changes.
109 (free_propagate_block_info): Likewise.
110 (mark_set_1): Know that zero_extract, sign_extract, and
111 strict_low_part don't kill their argument. Alter hard subregs.
112 Update new_set for non-CLOBBER sets. Update reg_live.
113 (find_auto_inc): Update reg_live, not new_dead.
114 (mark_used_reg): Update reg_live, not new_live. Examine new_set
115 to determine if the reg in question was set this insn. Only update
116 reg info with PROP_REG_INFO.
118 2000-04-26 Richard Henderson <rth@cygnus.com>
120 * flow.c (allocate_reg_life_data): Set max_regno here ...
121 (life_analysis): ... not here.
123 * flow.c (calculate_global_regs_live): Force stack pointer
126 2000-04-26 Richard Henderson <rth@cygnus.com>
128 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
129 commit change group changes.
130 (invert_exp_1): Similarly.
131 (redirect_exp, invert_exp): Use them.
132 (redirect_jump_1): New.
133 (invert_jump_1): New.
134 (jump_optimize_1): Remove code subsumed by condexec.c.
135 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
137 2000-04-26 Richard Henderson <rth@cygnus.com>
139 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
141 * genconfig.c (main): Set all HAVE_foo to 1.
143 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
145 2000-04-26 Alex Samuel <samuel@codesourcery.com>
147 * invoke.texi: Document -fssa flag.
149 2000-04-26 Richard Henderson <rth@cygnus.com>
151 * flow.c (count_reg_sets_1): Remove.
152 (count_reg_sets, count_reg_references): Remove.
153 (recompute_reg_usage): Implement with update_life_info.
154 Reallocate life data.
156 2000-04-26 Richard Henderson <rth@cygnus.com>
158 * flow.c (update_life_info): Consider blocks null to mean the
160 (calculate_global_regs_live): Likewise.
161 (life_analysis): Do that instead of collecting all_blocks.
163 2000-04-26 Richard Henderson <rth@cygnus.com>
165 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
166 a still-valid conditional jump.
168 2000-04-26 Richard Henderson <rth@cygnus.com>
170 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
172 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
173 * flow.c (calculate_loop_depth): Remove.
174 * output.h (calculate_loop_depth): Don't declare.
175 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
176 inline; run estimate_probability at the same time.
178 2000-04-26 Neil Booth <NeilB@earthling.net>
180 * cpplib.h: "~=" is not a single pp-token.
181 * cpplex.c: Correct commentary.
183 2000-04-26 Richard Henderson <rth@cygnus.com>
185 * flow.c (mark_set_1): New arguments code and flags; update all
186 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
187 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
188 loop_depth when optimizing for size. Do new_dead update after
189 emitting REG_UNUSED notes. Merge mark_set_reg code.
190 (mark_set_reg): Remove.
191 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
192 arrange to not emit REG_UNUSED notes.
194 2000-04-26 Richard Henderson <rth@cygnus.com>
196 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
197 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
199 2000-04-26 Richard Henderson <rth@cygnus.com>
201 * flow.c (propagate_one_insn): Break out from propagate_block.
202 (init_propagate_block_info): Likewise.
203 (free_propagate_block_info): Likewise.
204 (propagate_block): Use them. Export.
205 * basic-block.h: Declare them all.
207 2000-04-26 Richard Henderson <rth@cygnus.com>
209 * basic-block.h (life_analysis): Declare here ...
210 * output.h: ... not here.
211 * flow.c (life_analysis): Remove nregs parameter; replace
212 remove_dead_code with flags. Remove ssa dead code check.
213 Only init alias analysis if we'll use it.
214 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
215 * ssa.c (convert_to_ssa): Likewise.
216 (convert_from_ssa): Likewise.
217 * toplev.c (rest_of_compilation): Likewise.
219 2000-04-26 Richard Henderson <rth@cygnus.com>
221 * flow.c (flow_delete_block): Rename from delete_block. Export.
222 * basic-block.h (flow_delete_block): Declare.
224 2000-04-26 David S. Miller <davem@redhat.com>
226 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
227 taking a PATTERN of it.
229 2000-04-26 <NeilB@earthling.net>
231 * cpplex.c (spell_other, spell_char): Remove.
233 (token_spelling, trigraph_map): Use unsigned chars.
234 (_cpp_lex_line): Tidy up the switch statement.
235 * cpplib.h: Implement spell_char with spell_string.
238 2000-04-26 <RodneyBrown@pmsc.com>
240 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
241 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
243 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
245 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
246 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
247 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
248 dwarf2out_return_save, dwarf2out_return_reg,
249 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
250 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
251 gen_compile_unit_die, dwarf2out_init): Constify a char*.
253 * dwarf2out.h (dwarf2out_init): Likewise.
255 * dwarfout.c (filename_entry, primary_filename, last_filename,
256 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
258 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
259 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
260 dwarf2out_return_reg): Likewise.
262 2000-04-26 Andreas Jaeger <aj@suse.de>
264 * extend.texi (Function Attributes): Fix description of pure
267 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
269 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
270 before calling rest_of_compilation.
272 2000-04-26 Andreas Jaeger <aj@suse.de>
274 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
277 2000-04-25 Richard Henderson <rth@cygnus.com>
279 * cse.c (cse_insn): Emit barrier after unconditional jump.
281 * calls.c (expand_call): Disable tail call generation once
282 rtx_equal_function_value_matters is false.
284 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
287 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
289 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
291 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
293 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
294 is the primary DIE for a member function.
295 (gen_decl_die): Call set_decl_origin_self here.
296 * dwarfout.c (output_decl): And here.
297 * integrate.c (output_inline_function): Not here.
298 Don't clear DECL_INLINE until after calling rest_of_compilation.
299 (set_decl_origin_self): No longer static.
300 * tree.h: Add prototype.
301 * toplev.c (note_deferral_of_defined_inline_function): Only write
302 out abstract instance for actual inlines.
304 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
306 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
307 EXTENDED_REGS only if TARGET_AM33.
308 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
309 SP_REGS to register allocation and reloading unless absolutely
311 (movsi3): Remove special-case of adding non-constants to SP.
313 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
315 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
316 INCLUDES to search and does not provide any of its own. Also it
317 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
318 parameters. Also it does not call AC_DEFINE.
319 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
320 AC_DEFINE and provides for automatic entries for autoheader.
321 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
323 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
324 so we can pass -I flags and include gansidecl.h/system.h in this
327 * acconfig.h: Delete all NEED_DECLARATION_* entries.
329 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
331 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
332 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
333 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
335 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
336 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
337 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
338 for these macros. Clean up spacing and linewraps.
340 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
342 * calls.c (expand_call): Use get_callee_fndecl.
344 * print-tree.c (print_node): Print the chain of an _EXPR.
346 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
347 Jim Wilson <wilson@cygnus.com>
348 Andrew Haley <aph@cygnus.com>
350 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
351 and gp save/restore problems.
352 * config/ia64/crtend.asm: Add IA-64 unwind support.
353 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
354 in fr_pad_size calculation.
355 (save_restore_insns): Move PR save area. Correct uses of
357 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
358 (ia64_expand_epilogue): Add eh_epilogue support.
359 (ia64_function_prologue): Emit .prologue directive.
360 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
361 (ia64_override_options): Set init_machine_status and
363 (rtx_needs_barrier): Handle bsp reads and writes.
364 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
365 New static variables.
366 (process_set, process_for_unwind_directive): New functions.
367 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
368 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
369 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
371 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
372 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
373 (struct machine_function): Define.
374 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
376 2000-04-25 Bruce Korb <bkorb@gnu.org>
378 * fixinc/Makefile.in: make the removal of old programs more
380 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
381 install-bin and install-sh
383 2000-04-25 Nick Clifton <nickc@cygnus.com>
385 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
386 defined, define to return zero.
387 (function_cannot_inline_p): If a function has any target
388 specific attributes, then use the macro
389 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
390 whether it can be inlined. If it cannot, issue a suitable
393 * tm.texi: Add a new node 'Inlining' to document the new macro
394 FUNCTION_ATTRIBUTE_INLINABLE_P.
396 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
398 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
401 2000-04-25 Neil Booth <NeilB@earthling.net>
403 Restore previous patch, plus the following fixes:
405 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
406 flags, not CPP_OPEN_PAREN.
407 * cpplex.c (expand_token_space, init_token_list,
408 cpp_free_token_list): Put the dummy token at list->tokens[-1].
409 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
411 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
413 * config/i386/freebsd.h (INT_ASM_OP): Define.
415 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
417 * loop.c (strength_reduce): Fix typo in the last checkin.
419 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
421 * stor-layout.c (finalize_record_size): Simplify to use existing
423 (compute_record_mode): No longer static.
424 * tree.h (compute_record_mode): New declaration.
426 2000-04-25 Neil Booth <NeilB@earthling.net>
428 * Revert my patch below until cause of build failures
431 2000-04-25 Richard Henderson <rth@cygnus.com>
433 * combine.c (combine_instructions): Add missing argument
436 * toplev.c (rest_of_compilation): Delay sibcall optimization
437 until after emit_eh_context.
439 2000-04-24 Nick Clifton <nickc@redhat.com>
441 * combine.c (combine_instructions): Do not try to combine a
442 sequence of insns when the second insn has been replaced by a
445 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
447 * gcc.c (load_specs): New static function.
448 (read_specs): Use it.
450 * gcc.c (lookup_compiler): Make multiple passes for case
451 insensitive filesystems.
453 2000-04-24 Neil Booth <NeilB@earthling.net>
455 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
456 * cpphash.h (_cpp_check_directive): new.
457 * cpplex.c (handle_newline, cpp_free_token_list,
458 init_trigraph_map, trigraph_ok, trigraph_replace,
459 backslash_start, skip_block_comment, skip_line_comment,
460 skip_whitespace, parse_name, parse_number, parse_string,
461 copy_comment, _cpp_lex_line, spell_char, spell_string,
462 spell_comment, spell_name, spell_other, _cpp_lex_file,
463 _cpp_output_list): new.
464 (expand_name_space): take length argument.
465 (init_token_list): add comment list initialisation.
466 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
467 instead of HSPACE_BEFORE.
469 * cpplib.c (_cpp_check_directive): new
470 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
471 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
472 (HSPACE_BEFORE): delete.
473 (TTYPE_TABLE): rearrange.
474 (struct cpp_toklist): update.
476 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
478 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
479 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
480 argument form of AC_DEFINE.
482 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
483 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
484 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
485 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
486 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
488 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
490 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
492 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
493 deduced.h): Use -isystem, not -I, for including system headers.
495 2000-04-24 Nick Clifton <nickc@cygnus.com>
497 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
498 the source register is the frame pointer or arg pointer.
499 (addsi3_small_int): Disallow if source register is the frame
500 pointer or arg pointer.
502 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
504 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
505 call to AC_MSG_RESULT.
507 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
509 * invoke.texi: Correct grammatical errors, document
510 -fno-gnu-keywords as identical to -fno-asm for C++.
512 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
514 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
515 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
516 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
517 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
518 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
520 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
521 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
522 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
523 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
526 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
528 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
529 (pop_alignment): Likewise.
530 (handle_pragma_token): Likewise.
532 2000-04-24 Robert Lipe <robertlipe@usa.net>
534 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
536 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
538 * combine.c (try_combine): Update reg_nonzero_bits of
539 newi2pat before newpat.
541 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
543 * loop.c (strength_reduce): Simplify test to INSN_P.
544 (record_giv): Attempt to simplify the add value, use CONSTANT_P
545 expressions instead of CONST_INT.
546 (express_from_1): Likewise.
548 2000-04-24 Mark Mitchell <mark@codesourcery.com>
550 * regs.h (reg_n_max): Don't declare.
551 * flow.c (reg_n_max): Don't define.
552 * regclass.c (renumber): Don't initialize to zero.
553 (regno_allocated): Likewise.
555 (allocate_reg_info): Don't initialize unnecessarily.
557 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
559 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
560 and blockage_p in the newly allocated attribute.
562 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
564 * config/mn10300/mn10300.md (addsi): `inc4' on address
565 registers does not modify cc, but `inc' on an extended
568 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
570 * reload.c (find_equiv_reg): Checks all valueno regs
571 as a reload_reg_p regs.
573 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
575 * cpphash.c (collect_objlike_expansion): Add sanity check.
576 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
577 the buffer is the empty string, return. Mark __DATE__ and
578 __TIME__ as XCONST nodes, not MCONST.
579 (_cpp_macroexpand): Avoid pushing an empty buffer.
580 (funlike_macroexpand): Don't pop token_buffer here.
582 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
584 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
585 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
586 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
587 (REGNO_OK_FOR_BASE_P): Define in terms of them.
588 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
589 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
590 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
592 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
594 * loop.c (simplify_giv_expr): Be more agressive on simplifying
597 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
599 * cpphash.h (struct definition): Move file, line, col members...
600 (struct hashnode): ... here. Also add 'disabled' flag.
601 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
602 T_IDENTITY. Remove T_DISABLED.
605 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
606 (collect_expansion): Split into collect_objlike_expansion and
607 collect_funlike_expansion.
608 (_cpp_macroexpand): Split out scan_arguments, stringify, and
610 (_cpp_compare_defs): Rename compare_defs, make static.
611 (_cpp_make_hashnode): Initialize hp->disabled.
612 (macro_cleanup): Adjust for new token types. Clear
614 (_cpp_create_definition): Move code here to determine what
615 sort of macro it is, and code to check for redefinitions, from
616 do_define. Implement a few simple cases without creating a
618 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
619 Handle the simple cases.
620 (push_macro_expansion): Set buf->has_escapes and hp->disabled
623 * cppinit.c (builtin_array): Change MCONST to XCONST
625 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
626 fix check for disabled and function-like macros.
627 * cpplib.c (do_define): Move most logic to
628 _cpp_create_definition.
629 (do_undef): Handle new special token types.
631 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
633 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
634 of CONSTANT_P for mult_val; always use validate_change to update insn.
636 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
638 * cpphash.c (trad_stringify, add_pat): New functions.
639 (collect_expansion): Restore support for -traditional syntax.
640 Use trad_stringify and add_pat.
641 (_cpp_macroexpand): Restore support for -traditional semantics.
642 * cpplex.c (_cpp_scan_line): Don't change space_before if we
644 (_cpp_lex_token): Provide COMMENT tokens to caller if
645 traditional and parsing_define_directive.
646 (skip_comment): Warn about // comments if -Wtraditional.
647 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
649 (do_undef): Don't warn about undefining EMPTY nodes.
651 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
653 * loop.c (strength_reduce): Fix biv removal code.
655 2000-04-22 Richard Henderson <rth@cygnus.com>
657 * predict.c (estimate_probability): Examine both sides of
658 a branch for no exits. Use 90% not 50% for predict taken.
659 Reorg for one copy of note generation code.
661 2000-04-22 Richard Henderson <rth@cygnus.com>
663 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
665 2000-04-22 Richard Henderson <rth@cygnus.com>
667 * diagnostic.c (init_output_buffer): Don't initialize format_args.
668 (output_clear): Likewise.
669 (output_printf): Use va_copy.
670 (vline_wrapper_message_with_location): Likewise.
671 (v_message_with_decl): Likewise.
672 (line_wrapper_printf): VA_START infor buffer.format_args directly.
673 * system.h (va_copy): Provide default implementation.
675 2000-04-22 Richard Henderson <rth@cygnus.com>
677 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
678 the collected condition is not a constant.
680 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
682 * diagnostic.h: New file.
684 * Makefile.in (diagnostic.o): Depends on diagnostic.h
686 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
687 various function prototypes.
688 (diagnostic.h): #include.
689 (struct output_buffer): Move into diagnostic.h.
690 (get_output_prefix): Rename to output_get_prefix. Export.
691 (init_output_buffer): Export. Break out. Ajust intialization.
692 (output_space_left, output_append): Export.
693 (output_newline): Rename to output_add_newline. Export.
694 (output_clear): Nullify additional output_buffer fields.
695 (output_puts): Rename to output_add_string. Export.
696 (dump_output): Rename to output_flush_on. Export.
697 (build_location_prefix): Constify return-type.
698 (emit_output_prefix): Rename to output_emit_prefix. Export.
699 (set_real_maximum_length): New function.
700 (output_set_maximum_length): Ditto
701 (output_clear): Ditto.
702 (output_add_character): Ditto.
703 (output_add_integer): Ditto.
704 (output_add_space): Ditto.
705 (output_format): Ditto.
706 (output_printf): Adjust buffer initialization.
707 (vline_wrapper_message_with_location): Ditto.
708 (v_message_with_decl): Ditto. Adjust call to output_puts
709 and get_output_prefix.
710 (default_print_error_function): Adjust buffer intialization.
712 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
714 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
717 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
719 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
722 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
724 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
725 accurate data about SP moves.
727 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
729 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
730 aliases to AM33 registers.
732 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
734 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
735 to all EXTENDED bitmaps.
737 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
739 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
740 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
741 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
743 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
745 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
746 the operand is not constant.
748 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
750 * reload.c (find_equiv_reg): Checks all valueno and regno regs
751 as a call-clobbered regs.
753 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
755 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
757 * rtl.def: Update comment.
758 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
759 * integrate.c (expand_inline_function): Likewise.
760 * profile.c (branch_prob): Likewise.
761 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
762 * print-rtl.c (print_rtx): Likewise.
763 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
764 (reemit_notes): Likewise; also use enum insn_note.
766 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
767 (place_field): Properly compute know and actual alignment.
769 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
772 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
775 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
777 * cpphash.c (struct arg, struct arglist): Const-ify strings.
778 (warn_trad_stringify, duplicate_arg_p): New helper functions.
779 (collect_expansion): Rewrite to scan over a token list.
780 Remove -traditional support.
781 (collect_formal_parameters): Rename to collect_params; rewrite
782 to scan over a token list.
783 (_cpp_create_definition): Adjust to scan a token list.
784 (_cpp_macroexpand): Remove -traditional support.
785 (_cpp_compare_defs): Whitespace is now canonicalized.
786 (comp_def_part): Delete function.
788 * cpphash.h: Update prototypes.
789 * cpplex.c (init_token_list): Don't set lineno if there is no
791 (pedantic_whitespace): New function.
792 (_cpp_scan_line): Mark tokens that had hspace before. Don't
793 consume a newline. Use pedantic_whitespace.
794 (_cpp_lex_token): Remove support for -traditional macros.
795 (_cpp_get_define_token): Delete.
796 (_cpp_get_directive_token): Do the real work here. Use
798 (_cpp_init_input_buffer): Initialize pfile->directbuf.
800 * cpplib.c (get_macro_name): Delete.
801 (do_define): Read the entire line into pfile->directbuf, then
802 feed the token list to _cpp_create_definition.
803 * cpplib.h (HSPACE_BEFORE): new define.
804 (struct cpp_reader): Add a toklist member, "directbuf".
806 * predict.c (estimate_probability): New heuristic: if a jump
807 branches around a block with no successors, predict it taken.
808 Disentangle control flow.
810 2000-04-20 Richard Henderson <rth@cygnus.com>
812 * loop.c (emit_iv_add_mult): Revert last change.
814 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
816 * cpplib.h (enum cpp_ttype): Add token types for all
817 punctuators. Distinguish pp-numbers from valid C numbers.
818 Give some tokens better names. Initialize from macro.
819 (struct cpp_name, cpp_token, cpp_toklist): New data
822 * cpplex.c (bump_column, expand_name_space,
823 expand_token_space, init_token_list, cpp_output_list,
824 _cpp_scan_line): New functions.
825 (output_line_command): Add third argument, new line number.
826 * cpphash.h: Update prototypes.
827 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
830 2000-04-20 Richard Henderson <rth@cygnus.com>
832 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
834 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
836 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
839 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
841 * loop.c (emit_iv_add_mult): Simplify it's input and emit
842 REG_EQUAL note explaining the calculated value.
844 * calls.c (expand_call): Avoid unnecesary precalculation
845 and outgoing parameters space guarding for sibling calls.
846 (store_one_arg): Likewise.
848 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
850 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
851 (rest_of_compilation): Write sibling dump file and account
852 for time as jump time.
853 * invoke.texi: Update documentation on dump flags.
855 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
857 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
859 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
861 * cpphash.c (special_symbol): Represent an empty macro with
862 "\r \r " not just "\r ".
863 (_cpp_macroexpand): Correct condition for the foo ( ) special
865 (unsafe_chars): Handle EOF as second argument.
866 (push_macro_expansion): Simplify test for removing escape at
867 end. Do not trim both escapes if there is no text in between.
869 2000-04-19 Jim Blandy <jimb@redhat.com>
871 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
872 of PTR_SIZE, when appropriate.
874 2000-04-19 Mark Mitchell <mark@codesourcery.com>
876 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
877 (USE_ENUM_BITFIELDS): Fix typo.
879 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
881 * stor-layout.c (place_field): Set rli->offset_align properly.
883 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
885 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
886 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
887 PARM_BOUNDARY): Remove unnecessary casts.
889 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
891 * calls.c (precompute_arguments): Remove must_preallocate and
893 (expand_call): Update call of precompute_arguments.
895 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
896 check_insn_for_givs): Break out from ...
897 (strength_reduce) ... here; use for_every_insn_in_loop to call
899 * loop.h (for_every_insn_in_loop): Declare.
900 (loop_insn_callback): New type.
902 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
904 * cpplib.c (do_pragma_poison): Strings in the token buffer are
907 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
909 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
912 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
914 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
916 * configure.in: Delete --disable-cpplib option and all
917 references to cpp_main.
918 * configure: Regenerate.
919 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
920 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
921 cccp.o, cccp, or cppmain. Link cppmain.o straight to
922 cpp$(exeext). Add --no-headers to makeinfo command line when
923 generating INSTALL. Install and uninstall cpp.1 manpage, not
925 * install.texi: Delete all references to cexp.y/cexp.c.
926 Delete ancient instructions for compiling GCC on 3b1.
927 * INSTALL: Regenerate.
929 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
930 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
931 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
933 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
934 which is no longer tested anywhere.
936 * cppinit.c (handle_option): Don't run error message through
939 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
941 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
942 * cpperror.c (hashtab.h): Now include.
943 * cppexp.c (hashtab.h): Likewise.
944 * cpplex.c (hashtab.h): Likewise.
945 * cppfiles.c (hashtab.h): Likewise.
946 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
947 to htab_find_slot_with_hash.
948 * cpphash.c (hashtab.h): Now include.
949 (_cpp_lookup_slot): INSERT is now enum insert_option.
950 * cpphash.h (_cpp_lookup_slot): Likewise.
951 * cppinit.c (hashtab.h): Include earlier.
952 (initialize_builtins): Pass enum to htab_find_slot.
953 * cpplib.c (hashtab.h): Now include.
954 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
955 (do_pragma_poison, do_assert): Likewise.
956 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
957 htab_find_slot_with_hash.
958 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
959 * tree.c (type_hash_add): Likewise.
960 (build1): Minor cleanup.
962 * ggc-common.c: Add missing blanks.
963 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
964 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
966 * stmt.c (mark_case_node): New function.
967 (mark_case_nesting): Call it.
969 * expmed.c (emit_store_flag): If comparing two-word integer
970 with zero, can optimize NE, EQ, GE, and LT.
972 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
973 * conflict.c: Minor cleanups.
974 * optabs.c: Add blank line
975 * simplify-rtx.c: Minor cleanups.
977 2000-04-18 Stan Cox <scox@cygnus.com>
979 * gengenrtl.c (genlegend): Fix misspelling.
981 2000-04-18 Robert Lipe <robertlipe@usa.net>
983 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
984 bitfields of the host compiler are not signed quantities.
985 * config.in: Regenerate.
986 * configure: Regenerate.
987 * system.h (USE_ENUM_BITFIELDS): Added.
988 (ENUM_BITFIELDS): Added.
989 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
990 (SHORT_ENUM_BUG): Deleted.
991 * tree.h (tree_common): Members `code', `mode', `built_in_class',
993 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
994 (CODE_FIELD_BUG): Likewise.
995 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
997 * config/m68k/x-ccur (X_CFLAGS): Likewise.
999 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1001 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1004 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1006 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1007 * cpplib.c (do_include, do_import, do_include_next,
1008 read_line_number, detect_if_not_defined): Likewise.
1009 * cpphash.c (collect_expansion): Likewise.
1010 (special_symbol, _cpp_macroexpand): Check return from
1012 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1013 macros. Delete all uses.
1015 * gcc.dg/cpp-mi.c: Add two more test cases.
1016 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1018 2000-04-17 Richard Henderson <rth@cygnus.com>
1020 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1021 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1023 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1025 * function.c (expand_function_start): Use hard_function_value to
1026 compute the RTL to use for DECL_RESULT.
1028 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1030 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1031 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1032 x86_memory_mismatch_stall): New global variables.
1033 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1034 alloved; fix load penalties for Athlon.
1035 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1036 x86_memory_mismatch_stall): Declare.
1037 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1038 TARGET_MEMORY_MISMATCH_STALL): New.
1039 * i386.md (athlon scheduling parameters): Fix latencies according to
1040 Athlon Optimization Manual.
1041 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1043 (fsqrt instruction patterns): Set athlon_decode to direct.
1044 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1045 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1046 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1047 and TARGET_PARTIAL_REGISTER_STALL machines.
1048 (pushdf_nointeger): New pattern.
1049 (pushdf_integer): Rename from pushdf.
1050 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1051 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1053 2000-04-17 Richard Henderson <rth@cygnus.com>
1055 * loop.c (canonicalize_condition): Add WANT_REG argument.
1056 Stop the search if we match it.
1057 * expr.h (canonicalize_condition): Update decl.
1058 * predict.c (expected_value_to_br_prob): Use it. Track last
1059 expected value note.
1060 (find_expected_value): Remove.
1062 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1064 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1066 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1067 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1069 * configure.in: Call AC_FUNC_MMAP_FILE.
1070 * configure: Regenerate.
1071 * config.in: Regenerate.
1073 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1074 * fixinc/fixincl.c: Likewise.
1076 2000-04-17 Richard Henderson <rth@cygnus.com>
1078 * builtins.c (expand_builtin_expect): New.
1079 (expand_builtin): Call it.
1080 * builtins.def (BUILT_IN_EXPECT): New.
1081 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1082 * extend.texi: Document it.
1084 * predict.c (expected_value_to_br_prob): New.
1085 (find_expected_value): New.
1086 * basic-block.h (expected_value_to_br_prob): Declare.
1087 * toplev.c (rest_of_compilation): Invoke it.
1089 * rtl.h (NOTE_EXPECTED_VALUE): New.
1090 (NOTE_INSN_EXPECTED_VALUE): New.
1091 * rtl.c (note_insn_name): Update.
1092 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1093 cases; handle NOTE_INSN_EXPECTED_VALUE.
1095 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1097 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1098 leaf sibcall delay slot if flag_pic.
1099 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1101 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1103 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1105 * fixproto: If fix-header fails, exit with an error.
1107 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1109 * cse.c (struct check_depdendence_data): New.
1110 (check_dependence): New function.
1111 (invalidate): Use check_depdenence.
1113 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1115 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1116 UNITS_PER_WORD is unsigned.
1118 * tree.h (struct tree_common): Remove misleading comment.
1120 2000-04-16 Dave Pitts <dpitts@cozx.com>
1122 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1123 message in quotes. Otherwise, IBM's make program treats the '#' as the
1124 start of a comment and ignores the remainder of the line.
1126 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1128 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1129 * cexp.y (initialize_random_junk): Likewise.
1130 * cppfiles.c (find_include_file): Cast alloca return value.
1131 * cppinit.c (initialize_standard_includes): Likewise.
1132 * cpplib.c (cpp_define, cpp_undef): Likewise.
1133 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1134 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1135 * fold-const.c (CHARMASK): New.
1136 (real_hex_to_f): Use it.
1137 * real.c (CHARMASK): New.
1138 (etoasc, asctoeg): Use it.
1139 (asctoeg): EBCDIC lower case characters preceed upper case.
1141 * i370.c (mvs_add_label): Change spacing for coding conventions.
1142 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1143 outputing case vectors.
1144 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1145 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1146 since vector in in the data CSECT.
1147 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1148 * i370.md (Many patterns): Put the length in the XL directives.
1149 (movdi): Put back STM and MVC in definition.
1150 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1151 pattern using the TCA.
1152 * oe.h (CPP_SPEC): Added to allow trigraphs.
1153 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1154 not support the "long long" type.
1156 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1158 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1160 (mips_reg_mode_ok_for_base_p): Likewise.
1161 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1162 (REG_OK_FOR_INDEX_P): Define unconditionally.
1163 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1164 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1165 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1166 that GET_MODE_SIZE is unsigned.
1167 (mips_reg_mode_ok_for_base_p): Define.
1168 (mips_legitimate_address_p): Likewise. Adjust now
1169 that GET_MODE_SIZE is unsigned.
1170 (block_move_loop): Make the number of bytes unsigned.
1171 (expand_block_move): Likewise.
1172 (function_arg): Make the loop counter unsigned to match the
1175 2000-04-16 Richard Henderson <rth@cygnus.com>
1177 * rtl.h (enum insn_note): New enumeration. Subsume
1178 NOTE_INSN_DELETED and friends.
1179 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1180 * rtl.c (note_insn_name): Tweak string order.
1182 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1184 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1187 * cpplex.c (output_line_command): Remove debugging prints.
1188 (cpp_output_tokens): Don't write out a zero-length buffer or
1189 try to see if it has a newline in it.
1190 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1191 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1192 the end of the loop. Use memmove. Don't read past the end of
1193 the buffer. Remove trailing newlines from error messages.
1195 2004-04-16 Neil Booth <NeilB@earthling.net>
1197 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1198 * cpplib.c: Add new syntax flags to directive table, and
1201 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1203 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1206 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1208 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1209 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1211 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1213 * Makefile.in (ggc-page.o): Now includes toplev.h.
1214 * ggc-page.c (toplev.h): Now included.
1215 (gc_time): Remove declaration.
1216 (ggc_collect): TIME now long.
1217 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1219 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1221 * toplev.c: Make *_time variable long to reduce chance of overflow.
1222 (TIMEVAR): Likewise for `otime'.
1223 (print_time): Arg is now long; compute percentage in FP and round.
1224 * toplev.h (print_time): Arg is long.
1226 * tree.c: Minor whitespace changes.
1228 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1229 * configure: Rebuilt.
1230 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1231 (__fixunsxfDI): Renamed from __fixunsxfdi.
1232 (__fixunsdfDI): Renamed from __fixunsdfdi.
1233 (__fixunssfDI): Renamed from __fixunssfdi.
1234 (__floatdisf): Use proper type in REP_BIT macro.
1235 (__fixunsxfSI): Renamed from __fixunsxfsi.
1236 (__fixunsdfSI): Renamed from __fixunsdfsi.
1237 (__fixunssfSI): Renamed from __fixunssfsi.
1238 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1239 Change location of macros and upper-case some names as above.
1240 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1241 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1243 * varasm.c (assemble_variable): Add cast to remove warning.
1244 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1246 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1247 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1248 region number to -1.
1250 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1252 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1253 call unshare_all_rtl.
1255 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1257 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1259 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1260 Use .s1 not .s0 for all FP instructions.
1262 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1264 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1266 (safe_fwrite, output_line_command): New static functions.
1267 (cpp_expand_to_buffer): Now private to cpplib.
1268 (cpp_scan_buffer): Take a printer.
1270 * cpphash.h: Update prototypes.
1271 * cpplib.h: Update prototypes.
1273 (cpp_buffer): Remove last_nominal_fname.
1274 (cpp_reader): Remove lineno.
1276 * cppmain.c: Use a cpp_printer.
1277 * fix-header.c: No need to inhibit line commands. Call
1278 cpp_start_read with no printer.
1280 * cpperror.c (cpp_notice_from_errno): Provide default name.
1281 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1282 (find_include_file, cpp_read_file): Use make_IHASH.
1283 (file_cleanup): Set control_macro and clear
1284 input_stack_listing_current here.
1285 (_cpp_execute_include): Don't output entering-file marker.
1286 * cpphash.c (special_symbol): Look for the line number in the
1287 buffer, not the reader.
1288 (_cpp_macroexpand): No need to disable line commands.
1289 (_cpp_dump_definition): No need to generate line commands.
1290 (dump_hash_helper): Remove excess newline from output.
1291 * cppinit.c (dump_special_to_buffer): No need to generate line
1293 (cpp_printer_init): New.
1294 (cpp_start_read): Take a printer, and start it up if it's not
1295 NULL. No need to generate line commands.
1296 (cpp_finish): Expect no buffers stacked at all. Take a
1297 printer argument, and flush the output buffer if it's not
1299 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1300 Don't put two hashes at the beginning of an assertion.
1301 (cpp_get_token): Don't increment pfile->lineno or emit line
1302 commands here. Return EOF if there's no buffer when we get
1304 * cpplib.c (do_define, skip_if_group):
1305 No need to disable line commands.
1306 (_cpp_output_line_command): Delete function.
1307 (do_line): Don't emit line commands here, but set things up so
1308 they will be emitted if necessary. Use _cpp_fake_ihash to
1309 make unique nominal_fnames if necessary.
1310 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1311 with 0 for column, not -1.
1312 (_cpp_handle_eof): Don't set the control macro here. Don't
1313 clear input_stack_listing_current here. Don't emit line
1316 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1318 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1319 always, use the default SVR4 start address.
1321 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1322 (LINK_SHLIB_SPEC): Define.
1323 (LINK_START_DEFAULT_SPEC): Define.
1324 (LINK_OS_DEFAULT_SPEC): Define.
1326 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1328 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1329 __do_global_ctors to handle constructors.
1330 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1331 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1332 (STARTFILE_MVME_SPEC): Likewise.
1333 (STARTFILE_SIM_SPEC): Likewise.
1334 (ENDFILE_ADS_SPEC): Use crtend.
1335 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1336 (ENDFILE_MVME_SPEC): Likewise.
1337 (ENDFILE_SIM_SPEC): Likewise.
1338 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1339 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1340 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1341 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1342 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1343 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1344 (CRTSTUFF_T_CFLAGS_S): Define.
1345 * config/rs6000/eabi-ctors.c: Delete.
1347 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1350 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1354 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1356 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1357 plus mask size is smaller or equal to the mode size.
1359 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1361 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1364 * expr.c (reload.h): Now included.
1365 (emit_block_move): Set volatile_ok when checking for movstr.
1366 (emit_move_1): Check for replacements in addresses in multi-word case.
1367 * Makefile.in (expr.o): Now includes reload.h.
1369 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1370 Never have a LIBCALL end a basic block.
1371 (find_basic_blocks_1): Likewise.
1372 Reorganize CALL_INSN cases.
1374 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1376 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1378 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1379 completers from mov.ret instruction.
1381 2000-04-14 Richard Henderson <rth@cygnus.com>
1383 * fold-const.c (extract_muldiv): Don't distribute and widen
1384 multiply across plus for non-sizetype unsigned types.
1386 2000-04-14 Richard Henderson <rth@cygnus.com>
1388 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1389 If the original source is dead in the incr insn, it's dead now.
1391 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1393 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1394 see if DECL_BIT_FIELD needs to still be set.
1396 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1398 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1399 print_int_cst_octal with something that's not an INTEGER_CST.
1401 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1402 and not a SUBREG to a FLOAT rtl.
1404 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1406 * emit-rtl.c (try_split): Avoid infinite loop if the split
1407 results in a sequence that contains the original insn.
1409 2000-04-13 Andreas Jaeger <aj@suse.de>
1411 * config/mips/mips.c (expand_block_move): Pass alignment
1412 argument to move_by_pieces in bits, not bytes.
1414 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1415 __pic__ for little endian.
1417 2000-04-13 Andreas Jaeger <aj@suse.de>
1419 * config/i386/i386-protos.h: Add prototype for
1420 uno_comparison_operator.
1422 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1424 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1425 * calls.c (ECF_PURE): New flag.
1426 (emit_call_1): Handle ECF_PURE calls.
1427 (initialize_argument_information): Unset ECF_PURE flag too.
1428 (precompute_arguments): Precompute for ECF_PURE too.
1429 (expand_call): Handle ECF_PURE calls too.
1430 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1431 accept value of 2 as pure function.
1432 (emit_library_call_value, emit_library_call): Rename no_queue argument
1434 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1436 * tree.h (DECL_IS_PURE): New macro.
1437 (struct tree_decl): Add pure_flag.
1438 * c-common.c (enum attrs): Add attribute "pure".
1439 (init_attributes): Initialize attribute "pure"
1440 (decl_attributes): Handle attribute "pure".
1441 * extend.texi (Attribute "pure"): Document.
1442 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1444 (flags_from_decl_or_type): Support attribute "pure".
1446 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1448 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1449 the token except for numbers and identifiers.
1451 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1453 * i386.c (ix86_expand_binary_operator,
1454 ix86_expand_unary_operator): Check no_new_pseudos
1455 instead of reload_in_progress and reload_completed.
1456 (ix86_split_ashldi, ix86_split_ashrdi,
1457 ix86_split_lshrdi): Check no_new_pseudos instead
1458 of reload_completed.
1460 2000-04-12 Jeffrey A Law (law@cygnus.com)
1462 * function.c (purge_addressof): Unshare any shared rtl created by
1463 purge_addressof and its children.
1465 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1467 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1470 2000-04-05 Andreas Jaeger <aj@suse.de>
1472 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1473 not compiling PIC code, add flags for mabi=64.
1474 (SUBTARGET_CPP_SIZE_SPEC): New.
1475 (SUBTARGET_CPP_SPEC): New.
1476 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1477 for MIPS/Linux and lots of code needs these defines.
1479 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1481 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1482 trying the "opposite arithmetic" approach.
1484 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1486 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1487 (struct sh_args): Add new field force_mem.
1488 (INIT_CUMULATIVE_ARGS): Initialize it.
1489 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1491 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1493 * calls.c (expand_call): Do not reverse args in "equal from" field.
1494 (emit_library_call_value_1): Emit_libcall_block for const and pure
1497 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1499 * reload1.c (reload_combine): Don't enable optimization for fixed
1500 registers when encountering a BARRIER.
1502 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1504 * builtins.c (expand_builtin_memcmp): Do expansion even with
1505 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1507 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1508 stack is propertly aligned; add sanity checking for aligned
1510 (expand_library_call_value_1): Add sanity checking for aligned
1513 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1515 * calls.c (emit_library_call_value_1): Change 3rd arg to
1516 locate_and_pad_parm to disregard the setting of partial.
1518 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1520 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1522 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1523 CALL_INSN from the normal case.
1525 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1527 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1528 New global variables.
1529 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1531 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1533 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1534 TARGET_ADD_ESP_8): New macros.
1535 * i386.md: Add peep2s to convert esp adjustments to push and pop
1537 (pushsi_prologue, popsi_epilogue): New patterns.
1539 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1541 * real.c (toe64): Remove stale #endif from the last change.
1543 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1545 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1546 * real.c (toe64): Revert previous change.
1548 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1550 * objc/objc-act.c: Include ggc.h.
1551 (objc_tree_index, objc_global_trees): Convert most of the
1552 static tree variables into a static array with previous names
1554 (objc_ellipsis_node): New variable.
1555 (lang_init): Call objc_act_parse_init and c_parse_init.
1556 Create objc_ellipsis_node.
1557 (build_selector_translation_table): Use objc_ellipsis_node instead
1559 (hack_method_prototype): Likewise.
1560 (get_arg_type_list): Likewise.
1561 (start_method_def): Likewise.
1562 (continue_method_def): Likewise.
1563 (gen_method_decl): Likewise.
1564 (ggc_mark_imp_list): New function.
1565 (ggc_mark_hash_table): New function.
1566 (objc_act_parse_init): New function.
1567 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1568 * c-parse.in (c_parse_init): For objc add roots of objc specific
1569 local tree variables.
1570 * objc/objc-parse.y: Rebuilt.
1571 * objc/objc-parse.c: Rebuilt.
1572 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1574 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1576 * cse.c (delete_trivially_dead_insns): Also delete insns
1577 that copy a register to itself where the destination is
1580 2000-04-11 Richard Henderson <rth@cygnus.com>
1582 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1583 (propagate_block): Initialize them. Use them in parallel instead
1584 of one tmp variable, ie revert much of the 0408 and 0407 functional
1585 changes, but keep the structural changes.
1586 (mark_set_regs): Take new_dead from propagate_block_info instead.
1587 (mark_set_1, mark_set_reg): Likewise.
1588 (mark_used_regs): Likewise with new_live.
1589 (mark_used_reg): Likewise. Revert 0408 change.
1591 2000-04-11 Nick Clifton <nickc@cygnus.com>
1593 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1595 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1597 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1599 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1600 const section to output a CONSTRUCTOR based on the same conditions
1603 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1605 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1606 * pa/pa-protos.h (output_call): Add additional argument indicating
1607 if the call is a sibling/tail call.
1608 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1609 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1610 (function_arg, function_arg_partial_nregs): Likewise
1611 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1612 (emit_move_sequence): Zero extend certain constants as needed
1614 (compute_zdepdi_operands, output_64bit_and): New functions.
1615 (output_64bit_ior, function_arg): Likewise.
1616 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1617 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1618 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1619 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1620 (output_bvb): Likewise.
1621 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1622 (output_call): New argument 'sibcall'. Generate sibcall sequences
1624 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1625 (ouput_arg_descriptor): Do not emit argument descriptors for
1627 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1629 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1630 (FUNCTION_OK_FOR_SIBALL): Define.
1631 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1632 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
1633 (CPP_SPEC): Use new spec infrastructure.
1634 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
1635 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
1636 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
1637 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
1638 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
1639 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
1640 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
1641 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
1642 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
1643 (FUNCTION_ARG); Call out to C code.
1644 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
1645 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
1646 (MIN_UNITS_PER_WORD): Likewise.
1647 * pa/pa.md (cmpdi): New expander.
1648 (scc patterns, movstrsi): Not available for TARGET_64BIT.
1649 (64bit conditional arithmetic): New patterns.
1650 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
1651 (movsicc): Not available if modes on all the operands to not match.
1652 (movdicc): New expander and associated patterns.
1653 (64bit branches): New patterns.
1654 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
1655 (pre_ldd, post_std): New patterns.
1656 (64bit addil, load low part): New patterns.
1657 (special movsf constant): Not available for TARGET_64BIT.
1658 (movsf, movdf expanders): Force constants into memory.
1659 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
1660 (64bit movdf/movdi patterns): New patterns.
1661 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
1663 (extendqidi2, extendhidi2, extendsidi2): Similarly.
1664 (adddi3 expander): Allow "arith_operand" for second input.
1665 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
1666 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
1667 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
1668 (muldi3): New expander for TARGET_64BIT.
1669 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
1671 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
1672 patterns for TARGET_64BIT.
1673 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
1674 patterns for TARGET_64BIT.
1675 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
1676 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
1677 (sibcall_epilogue): New expander.
1678 (casesi): Tweak for TARGET_64BIT.
1679 (call expanders): Set & use the outgoing argument pointer. Use the
1680 64bit call patterns as needed. Add additional arg to output_call.
1681 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
1682 (sibcall, sibcall_internal_symref): New expanders.
1683 (sibcall_value, sibcall_value_internal_symref
1684 (interspace_jump): Turn into an expander + matching patterns.
1685 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
1686 * pa/pa64-regs.h: Eliminate trigraph sequences.
1687 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
1689 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
1691 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
1692 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
1693 cpp_token with cpp_ttype everywhere.
1694 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
1695 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
1696 CPP_BUF_COL. Line and column numbers are unsigned int, not
1698 * cpplex.c (cpp_buf_line_and_col): Delete.
1699 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
1700 'long lineno' to 'unsigned int lineno'.
1701 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
1703 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1705 * extend.texi: ISO C99 is not a draft anymore.
1706 * invoke.texi: ISO C++ is not a draft anymore.
1707 * cpp.texi: __cplusplus is required by the ISO standard.
1709 * extend.texi (-fthis-is-variable): Undocument.
1710 * flags.h (warn_template_debugging): Remove declaration.
1711 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
1712 -Wenum-clash, -Wtemplate-debugging): Undocument.
1714 2000-04-10 Nick Clifton <nickc@cygnus.com>
1716 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
1718 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
1720 (ARM_SIGN_EXTEND): Use HOST_UINT.
1721 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
1722 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
1723 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
1724 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
1726 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
1727 (arm_gen_constant): Use HOST_UINT.
1728 (arm_canonicalize_constant): Use HOST_UINT.
1729 (arm_reload_in_hi): Use HOST_UINT.
1730 (arm_reload_out_hi): Use HOST_UINT.
1731 (output_multi_immediate): Use HOST_UINT.
1732 (int_log2): Use HOST_UINT.
1733 (arm_poke_function_name): Use HOST_UINT.
1734 (arm_output_epilogue): Use arm_volatile_func().
1735 (output_thumb_prologue): Use arm_strip_name_encoding().
1737 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1739 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
1740 of sequence point problems.
1742 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
1744 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
1746 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
1748 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1750 * sbitmap.h: Whitespace changes and use upper-case macro args.
1751 (struct simple_bitmap_def): All sizes now unsigned.
1752 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
1753 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
1754 (sbitmap_vector_alloc): Parms and local vars now unsigned.
1755 (sbitmap_zero): Cast bzero arg to PTR.
1756 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
1757 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
1758 loop to make structure clearer.
1759 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
1760 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
1761 (sbitmap_a_and_b_or_c): Likewise.
1762 (sbitmap_intersection_of_succs): Minor cleanups.
1763 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
1764 (sbitmap_union_of_preds): Likewise.
1765 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
1766 (debug_sbitmap): New function.
1768 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
1769 * c-typeck.c (convert_for_assignment): Likewise.
1771 * expmed.c (init_expmed): Don't free objects we make.
1772 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
1774 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
1775 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
1777 * gcse.c (expr_hash_table_size): Now unsigned.
1778 (compute_ae_gen): Local variable `i' now unsigned.
1779 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
1780 (compute_transout, hoist_code): Likewise.
1781 (compute_local_properties): Likewise, also hash_table_size.
1782 (alloc_expr_hash_table): N_INSNS now unsigned.
1783 (delete_null_pointer_checks): Mark arg F as unused.
1785 * regrename.c: Minor cleanups, including chang some variables
1788 2000-04-10 Neil Booth <NeilB@earthling.net>
1790 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
1792 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
1794 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1796 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
1797 __classof__, and __headof__ from the list of gnu keywords.
1798 (-ansi): Remove -foperator-names from list of implied options.
1799 Do not call it ANSI C++.
1800 (-foperator-names): Document as -fno-operator-names.
1802 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
1804 * cpphash.c (timestamp): Delete.
1805 (del_HASHNODE): If type is T_MCONST, free value.cpval.
1806 (special_symbol): Remove unnecessary braces. Remove
1807 T_VERSION. Treat T_STDC like T_CONST unless
1808 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
1809 when one is encountered, then convert them into T_MCONST
1811 * cppinit.c (builtin_array): version_string is T_MCONST.
1812 __STDC__ has a "1" in its cpval. Don't have a terminator
1813 entry. Clean up which entries are dumped.
1814 (initialize_builtins): Only __STDC__ gets the special
1815 -traditional treatment. Count the length of builtin_array.
1816 Render version_string here.
1817 * cpphash.h: Remove T_VERSION. Add T_MCONST.
1818 * cpplib.h (struct cpp_reader): Remove timebuf.
1820 2000-04-09 Richard Henderson <rth@cygnus.com>
1822 * genrecog.c (pred): Update comparison_operator for the unordered
1825 * config/i386/i386.c (no_comparison_operator): Disallow unordered
1827 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
1828 (uno_comparison_operator): New.
1829 (put_condition_code): Handle UNORDERED/ORDERED.
1830 (unsigned_comparison): Likewise.
1831 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
1832 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
1833 (ix86_expand_fp_compare): Use them. Take scratch as argument,
1834 update all callers. Handle all 8 unordered operators.
1835 (ix86_expand_setcc): Lose the unordered argument, update all callers.
1836 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
1837 * config/i386/i386.h (PREDICATE_CODES): Update.
1838 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
1839 (ix86_expand_branch, ix86_expand_setcc): Update.
1840 * config/i386/i386.md (sunordered, sordered): New.
1841 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
1842 (bunordered, bordered): New.
1843 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
1844 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
1845 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
1847 2000-04-09 Philip Blundell <philb@gnu.org>
1849 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
1851 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
1853 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
1854 fix_truncxfhi2): New patterns.
1855 * i386.c (output_fix_trunc): Handle converting to HImode.
1857 2000-04-08 Alex Samuel <samuel@codesourcery.com>
1859 * ssa.c (convert_to_ssa): Eliminate dead code when calling
1861 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
1862 (for_each_successor_phi): Change parameter to basic_block.
1863 (coalesce_regs_in_successor_phi_nodes): Likewise.
1864 (coalesce_regs_in_copies): Likewise.
1865 (compute_coalesced_reg_partition): Use basic_block instead of index.
1866 * rtl.h (convert_to_ssa): Delete.
1867 (convert_from_ssa): Likewise.
1868 (successor_phi_fn): Likewise.
1869 (for_each_successor_phi): Likewise.
1870 (in_ssa_form): Likewise.
1871 * basic-block.h (convert_to_ssa): Moved from rtl.h.
1872 (convert_from_ssa): Likewise.
1873 (successor_phi_fn): Likewise.
1874 (in_ssa_form): Likewise.
1875 (for_each_successor_phi): Likewise. Change parameter to basic_block.
1876 * flow.c (calculate_global_regs_live): Pass a basic_block to
1877 for_each_successor_phi.
1879 2000-04-08 Richard Henderson <rth@cygnus.com>
1881 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
1882 was modified in the current insn.
1884 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1886 * arm/thumb.md: Delete.
1887 * arm/thumb-protos.h: Delete.
1889 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1891 Merge changes from merged-arm-thumb-backend-branch onto trunk.
1893 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1895 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
1898 * arm.md (nop): Use the standard RTL expression. Don't code as a
1900 (*arm_nop, *thumb_nop): Delete.
1902 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
1903 constants. Use casts instead.
1904 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
1905 output_multi_immediate, arm_poke_function_name): Likewise.
1906 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
1907 MASK_RETURN_ADDDR): Likewise.
1909 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
1911 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
1914 * arm.md (eh_epilogue): New function.
1915 * arm.h (struct machine_function): Move to here ...
1916 * arm.c: ... from here.
1917 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
1918 (thumb_exit): Extra parameter eh_ofs. All callers changed.
1919 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
1921 2000-03-30 Nick Clifton <nickc@cygnus.com>
1923 * config/arm/semi.h (ASM_SPEC): Restore definition.
1924 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
1926 * config/arm/elf.h (ASM_SPEC): Restore definition.
1927 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
1929 * config/arm/arm.h (ASM_SPEC): Remove definition.
1930 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
1932 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
1934 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
1936 2000-03-24 Nick Clifton <nickc@cygnus.com>
1938 Various formating tidyups, elimination of compile time
1939 warnings and synchronisation with internal sources:
1941 * config/arm/arm-protos.h (assemble_align): Add prototype.
1942 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
1943 (gen_comapre_reg): Rename to arm_gen_compare_reg.
1944 (arm_return_addr_rtx): Rename to arm_return_addr.
1946 * config/arm/arm.c: Include except.h.
1947 Define shorter typenames for strict minipool_node and struct
1949 (arm_return_in_memory): For WinCE return all structures <= 32 bits
1951 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
1952 (gen_comapre_reg): Rename to arm_gen_compare_reg.
1954 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
1956 (ASM_SPEC): Define if not already defined.
1957 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
1959 * config/arm/arm.md: Rename references to gen_rotated_half_load to
1960 arm_gen_rotated_half_load, and references to gen_comapre_reg to
1961 arm_gen_compare_reg.
1962 (indirect_jump): Only accept register operands.
1963 (load_indirect_jump): Keep this pattern since combine can generate
1966 * config/arm/coff.h: Include aout.h.
1967 (MULTILIB_DEFAULTS): Only define if not already defined.
1969 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
1970 into arm.h (so that COFF ports can support thumb based aliases).
1971 (ASM_SPEC): Move definition into arm.h
1973 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
1974 redundant apcs spec.
1975 (ASM_SPEC): Move definition to arm.h
1977 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
1979 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
1980 for entries in the .bss section
1982 2000-03-23 Nick Clifton <nickc@cygnus.com>
1984 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
1985 to thumb_far_jump_used_p.
1987 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
1988 single integer parameter.
1990 * config/arm/arm.c (struct machine_function): Add two new
1991 fields, 'far_jump_used' and 'arg_pointer_live'.
1992 (thumb_far_jump_used_p): Once the decision has been made that
1993 far jumps might be used, always return true.
1994 If being called from the initial elimination offset macro then
1995 do not bother to perform the test if the arg pointer is not
1997 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
1998 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2000 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2002 * arm.c (output_return_instruction): Handle more cases where we can
2003 return from a function with an ldr instruction.
2004 (arm_output_epilogue): Likewise.
2006 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2007 if we need to push a large stack frame and there are no callee-saved
2010 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2011 in ARM code if the frame pointer has been eliminated.
2013 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2014 unspec_volatile arguments to avoid duplicates.
2015 (consttable_1, consttable_2): Fixes for big-endian mode.
2017 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2020 Re-write constant pool code.
2021 * arm.c (minipool_node, minipool_fix): New types.
2022 (minifix): Delete type.
2023 (arm_add_minipool_constant): Delete.
2024 (arm_compute_minipool_offsets, arm_find_barrier,
2025 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2026 (get_jump_table_size): Now returns HOST_WIDE_INT.
2027 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2029 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2030 (assign_minipool_offsets, arm_print_value): Likewise.
2031 (dump_minipool): Rewrite.
2032 (arm_barrier_cost): New function.
2033 (create_fix_barrier): New function.
2034 (push_minipool_barrier): New function.
2035 (push_minipool_fix): Record additional information about the fixup
2037 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2038 check the mode of what needs fixing.
2039 (arm_reorg): Rewrite.
2041 2000-03-08 Nick Clifton <nickc@cygnus.com>
2043 * config/arm/arm.md (indirect_jump): Force constant addresses into
2046 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2048 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2050 2000-02-24 Nick Clifton <nickc@cygnus.com>
2052 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2053 adjust is word aligned.
2054 (thumb_expand_epilogue): Make sure that stack adjust is word
2057 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2059 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2061 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2062 pointer relative addresses.
2064 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2066 * arm.c (find_barrier): Find the last barrier within the allowed
2069 2000-02-09 Nick Clifton <nickc@cygnus.com>
2071 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2073 2000-02-09 Nick Clifton <nickc@cygnus.com>
2075 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2076 ARM_FUNCTION_PROFILER.
2078 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2079 ARM_FUNCTION_PROFILER.
2081 * config/arm/linux-oldld.h: Imported from mainline sources.
2083 2000-02-07 Nick Clifton <nickc@cygnus.com>
2085 * config/arm/lib1funcs.asm: Merge in thumb functions from
2088 * config/arm/lib1thumb.asm: Delete.
2090 2000-02-04 Nick Clifton <nickc@cygnus.com>
2092 * config/arm/arm.c: Sychronised with current Red hat local
2094 * config/arm/arm.h: Ditto.
2095 * config/arm/arm-protos.h: Ditto.
2097 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2099 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2101 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2104 2000-02-02 Nick Clifton <nickc@cygnus.com>
2106 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2108 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2109 (return) was emited using an emit_insn() call.
2111 2000-01-31 Nick Clifton <nickc@cygnus.com>
2113 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2115 (thumb_exit): Move frame pointer back into hard frame pointer
2116 register if backtracing is being used.
2118 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2120 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2123 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2125 * config/arm/arm.md (neg_pool_offset): Provide default for new
2127 (arm_movsi_insn): Add neg_pool_offset attribute.
2128 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2129 rtx for the insn that starts the scan and an unsigned long for its
2130 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2131 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2132 instructions in *PINSERTED.
2133 (struct minipool_fixup): Add MIN_ADDRESS elt.
2134 (sort_fixups): Compute it.
2135 (arm_reorg): Changes to support inserting pools before the insn to be
2138 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2140 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2141 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2142 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2144 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2146 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2148 (TARGET_DEFAULT): Do not define if already defined.
2150 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2152 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2153 (iordi3): Allow disjoint source operands.
2154 (xordi3): Allow disjoint source operands.
2155 (negdi2): Permit construction for ARM and Thumb.
2156 (arm_negdi2): Renamed version of old negdi2 pattern.
2157 (thumb_negdi2): New pattern: Only permit non-overlapping
2158 source and destination.
2160 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2162 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2163 scratch low register so that it will not be deleted.
2165 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2167 * config/arm/pe.h (ARM_PE): Define.
2169 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2170 interfacearm attribute if this is a PE toolchain.
2171 (output_return_instruction): Do not emit anything if the function
2172 has the naked attribute set.
2173 (is_called_in_ARM_mode): If the function has the interfacearm
2174 attribute then return true.
2175 (thumb_expand_prologue): Do not generate a prologue for naked
2177 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2179 (output_thumb_prologue): Do not bother if the function is naked.
2180 Strip PE encoding from function name before emitting.
2182 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2184 * arm.md (pic_load_addr): Fix constraints.
2186 * arm.md (casesi_insn): Fix mis-applied patch.
2188 * arm.md ("core" function unit): Add rules for single- and
2190 (All TARGET_THUMB patterns): Add "type" attribute information
2192 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2193 the following insn is a CALL.
2195 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2197 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2198 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2199 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2201 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2203 * config/arm/linux-gas.h: oops - this file was missed out when the
2204 branch was created...
2206 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2208 * thumb.c: Deleted. Move contents to ...
2210 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2212 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2215 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2216 declare a prototype for asm_output_align();
2218 * arm.c (thumb_condition_code): Delete.
2219 (arm_print_operand): Always use arm_condition_code array.
2221 * arm.c (thumb_return_addr_rtx): Delete.
2222 (arm_save_machine_status, arm_restore_machine_status): Delete.
2223 (arm_init_machine_status, arm_mark_machine_status): New functions.
2224 (arm_init_expanders): Update accordingly.
2225 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2226 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2227 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2229 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2231 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2233 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2236 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2238 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2239 stack backtrace structure.
2241 * config/arm/arm-protos.h: Add prototypes for functions defined in
2244 * config/arm/arm.c (arm_override_options): Fix selection of
2245 attributes of default processor.
2247 * config/arm/coff.h: Delete needless #include.
2249 * config/arm/pe.c: Delete unused code.
2251 * config/arm/pe.h (CPP_DEFINES): Delete
2252 (SUBTARGET_CPP_SPEC): Define.
2253 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2255 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2257 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2259 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2261 (CAN_DEBUG_WITHOUT_FP): Define.
2262 (FIXED_REGISTERS): Make r11 call-saved.
2263 (CALL_USED_REGISTERS): Likewise.
2264 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2265 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2266 frame-pointer is required.
2267 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2268 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2269 if the target normally needs a stack frame in non-leaf functions.
2270 (use_return_insn): Correct logic for determining when a return
2271 instruction can be used.
2272 (output_return_instruction): Handle the frame-pointer register as
2273 a normal register when not TARGET_APCS_FRAME.
2274 (arm_output_prologue): Likewise.
2275 (arm_output_epilogue): Likewise.
2276 (output_func_epilogue): Likewise.
2277 (arm_expand_prologue): Likewise.
2278 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2280 * arm.c (use_return_insn): No need to check floating point regs if
2282 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2283 the code of value stored in the minipool array.
2284 (arm_add_minipool_constant): Likewise.
2286 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2288 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2290 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2292 * tree.c (tree_expr_nonnegative_p): New function.
2294 * tree.h (tree_expr_nonnegative_p): Declare.
2296 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2297 elide some sign_compare warnings.
2298 (build_conditional_expr): Likewise.
2300 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2302 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2304 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2305 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2306 operand. Abort if a 387 operand has an unsupported size.
2308 2000-04-08 Neil Booth <NeilB@earthling.net>
2310 * cppexp.c (parse_charconst): Null does not end character
2312 * cppinit.c (ISTABLE): Null character handled as whitespace.
2313 * cpplex.c (null_warning): new function.
2314 (skip_string): Emit warning if nulls encountered.
2315 (_cpp_skip_hspace): Emit warning if nulls encountered.
2316 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2320 2000-04-07 Richard Henderson <rth@cygnus.com>
2322 * flow.c (loop_depth): Remove.
2323 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2324 (struct propagate_block_info): New.
2325 (life_analysis): Don't allocate reg_next_use.
2326 (propagate_block_delete_insn): Break out of propagate_block.
2327 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2328 (propagate_block_delete_libcall): Likewise.
2329 (propagate_block): Create a propagate_block_info struct to pass
2330 to subroutines. Allocate one not two temporary regsets. Don't
2331 clobber memory for const calls. Look for clobbers in
2332 CALL_INSN_FUNCTION_USAGE.
2333 (mark_set_regs): Recognize COND_EXEC.
2334 (mark_set_reg): Break out of mark_set_1.
2335 (mark_used_reg): Break out of mark_used_regs.
2336 (mark_used_regs): Recognize COND_EXEC.
2337 (insn_dead_p): Use propagate_block_info struct.
2338 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2339 (find_auto_inc, try_pre_increment_1): Likewise.
2340 (print_rtl_with_bb): Dump regs live at end too.
2341 (count_reg_sets_1): Pass in loop_depth.
2342 (count_reg_sets, count_reg_references): Likewise.
2343 (recompute_reg_usage): Provide it.
2345 2000-04-07 Richard Henderson <rth@cygnus.com>
2347 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2350 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2352 * cpplib.c (do_elif): Skip the rest of the line if we're
2353 not going to bother evaluating it.
2354 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2355 to avoid pointless calls to the lexer.
2357 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2359 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2361 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2363 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2365 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2367 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2369 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2371 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2372 crtend so they can be multilibbed.
2373 (STAGESTUFF): Remove s-crt and s-crtS.
2375 2000-04-07 Richard Henderson <rth@cygnus.com>
2377 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2378 if we discover we need a pseudo and no_new_pseudos is true.
2379 * config/alpha/alpha.md (ne:DI insn): New.
2380 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2382 2000-04-07 Richard Henderson <rth@cygnus.com>
2384 * rtl.def (COND_EXEC): New.
2385 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2386 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2388 * genconfig.c (have_cond_arith_flag): Remove.
2389 (have_cond_exec_flag): New.
2390 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2391 (main): Print HAVE_conditional_execution.
2393 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2394 (sched_analyze_insn, print_pattern): Likewise.
2395 * reload.c (find_equiv_reg): Likewise.
2396 * rtlanal.c (reg_referenced_p): Likewise.
2397 (note_stores, dead_or_set_regno_p): Likewise.
2398 (reg_overlap_mentioned_p): Rewrite to use a switch.
2400 * ggc.h (struct rtx_def): Forward declare.
2402 * print-rtl.c (debug_rtx_range): New.
2403 * rtl.h (debug_rtx_range): Declare.
2405 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2407 * gcse.c (gcse_main): Don't rebuild the CFG here.
2408 (delete_null_pointer_checks): Likewise.
2409 * ssa.c (convert_to_ssa): Likewise.
2410 * toplev.c (rest_of_compilation): Do it here instead. Combine
2411 sequential calls to TIMEVAR. Consistently use `insns' instead of
2412 `get_insns()'. Always split insns after reload when optimizing.
2414 * basic-block.h (merge_blocks_nomove): Declare.
2415 (tidy_fallthru_edge): Declare.
2416 * flow.c (merge_blocks_nomove): Document as merging into previous
2417 blocks. Remove cruft from between blocks; remove all edges out of A.
2418 (tidy_fallthru_edge): Export.
2420 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2422 * ssa.c (compute_conservative_reg_partition): Declare with
2424 * toplev.c (clean_dump_file): Remove previously-deleted function
2425 inadvertantly merged back in.
2426 * conflict.c (conflict_graph_add): Use a single call to
2427 htab_find_slot to look up and insert.
2429 2000-04-06 Richard Henderson <rth@cygnus.com>
2431 * genrecog.c (*): Rename _last_insn to last_insn.
2432 (make_insn_sequence): Set the position of the peephole2 C test
2433 to be at the last insn.
2435 2000-04-06 Richard Henderson <rth@cygnus.com>
2437 * flow.c (compute_flow_dominators): Free worklist.
2439 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2441 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2443 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2445 * rtl.h (INSN_P): New macro.
2446 (successor_phi_fn): New typedef.
2447 (for_each_successor_phi): New prototype.
2448 (in_ssa_form): New variable.
2449 (PHI_NODE_P): Likewise.
2450 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2451 phi nodes in successors.
2452 (mark_used_regs): Add PHI case.
2453 (set_phi_alternative_reg): New function.
2454 (life_analysis): Assert that dead code elimination is not selected
2456 * toplev.c (to_ssa_time): New variable.
2457 (from_ssa_time): Likewise.
2458 (compile_file): Zero to_ssa_time and from_ssa_time.
2459 Print time to convert to and from SSA.
2460 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2461 (print_time): Compute percent fraction as integer.
2462 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2463 (convert_to_ssa): Check if we're already in SSA.
2464 Don't eliminate dead code in life_analysis.
2465 Rerun flow and life analysis at bottom.
2466 (eliminate_phi): Use canonical regnos when adding nodes.
2467 (mark_reg_in_phi): New function.
2468 (mark_phi_and_copy_regs): Likewise.
2469 (convert_from_ssa): Rerun life analysis at top.
2470 Use coalesced partition.
2471 Check for removing a phi node at the end of the block.
2472 (compute_coalesced_reg_partition): New function.
2473 (coalesce_regs_in_copies): Likewise.
2474 (coalesce_reg_in_phi): Likewise.
2475 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2476 (for_each_successor_phi): Likewise.
2477 (rename_context): New struct.
2478 (rename_block): Use a rename_context with rename_insn_1. When
2479 renaming sets of a subreg, emit a copy of the entire reg first.
2480 (rename_insn_1): Treat data as a rename_context *. Save current
2482 (rename_set_data): Add field set_insn.
2483 * Makefile.in (HASHTAB_H): Move up in file.
2484 (OBSTACK_H): New macro.
2485 (collect2.o): Use OBSTACK_H in dependencies.
2486 (sdbout.o): Likewise.
2487 (emit-rtl.o): Likewise.
2488 (simplify-rtx.o): Likewise.
2489 (fix-header.o): Likewise.
2490 (OBJS): Add conflict.o.
2491 (conflict.o): New rule.
2492 * basic-block.h: Include partition.h.
2493 (conflict_graph): New typedef.
2494 (conflict_graph_enum_fn): Likewise.
2495 (conflict_graph_new): New prototype.
2496 (conflict_graph_delete): Likewise.
2497 (conflict_graph_add): Likewise.
2498 (conflict_graph_conflict_p): Likewise.
2499 (conflict_graph_enum): Likewise.
2500 (conflict_graph_merge_regs): Likewise.
2501 (conflict_graph_print): Likewise.
2502 (conflict_graph_compute): Likewise.
2503 * conflict.c: New file.
2505 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2507 * tlink.c (read_repo_files): Don't look for .rpo info for
2510 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2512 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2514 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2516 * config/sh/lib1funcs.asm (___udivsi3_i4):
2517 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2518 only depends on FMOVD_WORKS.
2520 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2522 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2523 make double constant 8-byte aligned.
2525 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2527 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2528 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2529 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2530 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2531 Accept storing GENERAL_REGS into offsetable memory.
2532 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2533 building a TFmode constant other than 0.0L into GENERAL_REGS.
2535 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2537 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2539 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2541 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2542 (macro_cleanup): No need to cast pbuf->macro.
2543 (collect_expansion): Use _cpp_get_define_token. Goto done if
2544 it returns VSPACE. Remove check for trailing space after
2546 (_cpp_create_definition): Don't diddle flags here. Return
2548 (unsafe_chars): Handle c1 being EOF.
2549 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2550 checks. Don't push the buffer till after we're done with
2552 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2553 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2554 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2556 (_cpp_parse_assertion): Don't NUL terminate.
2557 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2558 hspace before calling _cpp_parse_assertion. Remove all sets
2559 of only_seen_white. Treat '\f' as hspace. Don't do anything
2560 special with '\n' here.
2561 (maybe_macroexpand): Handle T_EMPTY hash entries without
2562 pushing a buffer at all.
2563 (cpp_get_token): Handle clearing only_seen_white here. Handle
2564 incrementing the line number here. Clear
2565 potential_control_macro as well as only_seen_white, if
2567 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2568 (_cpp_get_define_token): New function, basically like
2569 _cpp_get_directive_token was but doesn't eat horizontal space.
2570 Don't do anything with only_seen_white here.
2571 (_cpp_get_directive_token): Just call _cpp_get_define_token
2572 repeatedly till it returns non-hspace.
2574 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2575 (conditional_skip, skip_if_group): Return int.
2576 (DIRECTIVE_TABLE): Change origin of all conditional directives
2578 (TRAD_DIRECT_P): New macro.
2579 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2580 an error for a bogus directive, unless -lang-asm. Use
2581 TRAD_DIRECT_P. Loop calling handler functions till one returns
2583 (get_macro_name): Don't diddle flags here.
2584 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2585 Create T_EMPTY nodes for #define macro /* nothing */.
2586 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2587 Use hp->name when calling pass_thru_directive.
2588 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2589 Return the result of conditional_skip and/or skip_if_group.
2590 Don't call _cpp_output_line_command.
2591 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2592 Issue -Wtraditional warnings as appropriate. Don't complain
2593 about unrecognized directives. If we are to stop skipping,
2594 return the number of the directive that ended the skip.
2595 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2596 expansion and line commands while skipping. Return the result
2597 of consider_directive_while_skipping, if nonzero.
2598 (do_endif): Just set potential_control_macro here.
2599 (validate_else): Use _cpp_get_directive_token.
2600 (do_assert, do_unassert): Don't save pointers into the
2601 token_buffer across calls to the lexer. Use
2602 _cpp_get_directive_token.
2604 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2605 pointer, not an offset. Replace 'data', which was a generic
2606 pointer, with 'macro', which points to a struct hashnode.
2607 (cpp_reader): Add 'potential_control_macro' pointer.
2608 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2609 (CPP_BUF_GET, CPP_FORWARD): Delete.
2610 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2611 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2612 ACTIVE_MARK_P): Update.
2613 (_cpp_get_define_token): New internal function.
2614 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2616 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2618 * configure.in: And here.
2619 * configure: Regenerate.
2620 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2621 --enable-libstdcxx-v3 is passed at configure time.
2622 * config.h.in: Regenerate.
2624 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2626 * final.c (final): Use xcalloc to allocate line_note_exists.
2627 * function.c (free_after_compilation): Free the temp_slots.
2628 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2629 (combine_temp_slot): Free temp_slots when they get combined.
2630 (purge_addressof): Fix typo in comment.
2631 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2632 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
2634 * ggc.h: Include varray.h.
2635 (ggc_pending_trees): Declare.
2636 (ggc_mark_tree_children): Remove declaration.
2637 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
2638 * ggc-common.c (ggc_pending_trees): New variable.
2639 (ggc_mark_roots): Call ggc_mark_trees.
2640 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
2641 the ggc_pending_trees.
2642 * Makefile.in (GGC_H): New variable. Use it throughout in place
2645 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2647 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
2650 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2652 * sh.c (sh_insn_length_adjustment): New function.
2653 * sh-protos.h (sh_insn_length_adjustment): Declare.
2654 * sh.h (ADJUST_INSN_LENGTH): Use it.
2656 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
2658 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
2659 from the insn where REG_RETVAL is added.
2660 (emit_no_conflict_block): Ditto.
2662 * md.texi (Standard Names): Clarify when movX is needed.
2664 * combine.c (simplify_comparison) [MINUS]: Do not replace
2665 all (op (minus A B) 0) with (op A B).
2667 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
2668 J"orn Rennecke <amylaar@cygnus.co.uk>
2670 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
2671 (block_lump_real): Likewise.
2673 2000-04-05 Chris Demetriou <cgd@netbsd.org>
2675 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
2676 remaining non-zero debugging masks.
2678 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
2680 * basic-block.h (verify_flow_info): Declare.
2681 (flow_loop_outside_edge_p): Declare.
2682 * flow.c (verify_flow_info): Remove declaration.
2683 (clear_log_links, flow_loop_outside_edge_p): Likewise.
2685 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
2687 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
2690 2000-04-05 Jakub Jelinek <jakub@redhat.com>
2692 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
2693 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
2694 seqdi_zero_trunc+1): Allow splits only if registers are
2697 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
2699 * acconfig.h: Add HAVE_GAS_HIDDEN.
2700 * config.in: Regenerated.
2701 * configure.in: Add test for .hidden pseudo-op in gas.
2702 * configure: Regenerated.
2703 * crtstuff.c: Include auto-host.h.
2704 Emit additional .hidden pseudo-op for __dso_handle if the
2705 assembler knows about it.
2707 2000-04-04 Philippe De Muyter <phdm@macqel.be>
2709 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
2710 before freeing argnames.
2711 * cpplib.c (do_ifndef): Cast return value of xstrdup.
2713 2000-04-05 Michael Meissner <meissner@redhat.com>
2715 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
2716 Walton <jonboy@gordian.com> to make memory references with update
2717 work wtih -mregnames.
2719 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2721 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
2722 (regrename_optimize): Rename variables `def_uses' and
2723 `ext_basic_blocks' to avoid conflicts with similarly named
2724 typedefs in traditional C.
2726 * calls.c (initialize_argument_information): Fix typo in previous
2729 2000-04-04 Richard Henderson <rth@cygnus.com>
2731 * regrename.c (consider_available): Test fixed_regs not
2732 PIC_OFFSET_TABLE_REGNUM.
2734 2000-04-04 Geoff Keating <geoffk@cygnus.com>
2736 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
2738 (CRTSTUFF_T_CFLAGS_S): Delete definition.
2739 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
2740 (ENDFILE_LINUX_SPEC): Always use crtend.
2741 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
2742 (powerpc-*-linux-gnu): Likewise.
2743 * configure: Regenerate.
2745 * config/rs6000/eabi.h: Don't include sysv4.h.
2746 (MULTILIB_DEFAULTS): Don't define.
2747 * config/rs6000/eabiaix.h: Don't include eabi.h.
2748 * config/rs6000/eabile.h: Delete.
2749 * config/rs6000/eabilesim.h: Delete.
2750 * config/rs6000/eabisim.h: Don't include eabi.h.
2751 * config/rs6000/linux.h: Don't include sysv4.h.
2752 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
2753 (MULTILIB_DEFAULTS): Don't redefine.
2754 * config/rs6000/rtems.h: Don't include eabi.h.
2755 * config/rs6000/sol2.h: Don't include sysv4le.h.
2756 * config/rs6000/sysv4le.h: Don't include sysv4.h.
2757 * config/rs6000/t-ppc: Delete.
2758 * config/rs6000/t-ppcgas: Correct comment.
2759 * config/rs6000/t-ppcos: Correct comment. Don't build
2760 multilibs for -fPIC, rather use -fPIC -mstrict-align
2762 * config/rs6000/t-ppc: Delete.
2763 * config/rs6000/vxppc.h: Don't include sysv4.h.
2764 * config/rs6000/vxppcle.h: Delete.
2765 * configure.in: Use multiple header files for p2pc ELF targets
2766 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
2767 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
2768 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
2769 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
2770 always available for these platforms.
2772 2000-04-04 Richard Henderson <rth@cygnus.com>
2774 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
2776 2000-04-04 Stan Cox <scox@cygnus.com>
2778 * Makefile.in: Add rules for regrename.o
2779 * regrename.c: New file.
2780 * rtl.h (regrename_optimize): Add prototype.
2781 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
2782 (compile_file, decode_d_option): Add support for -frename-registers.
2783 (rest_of_compilation): Call regrename_optimize.
2784 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
2787 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2789 * Makefile (gccbug): New target.
2790 (doc): Depend on it.
2791 * gcc.texi (Bugs): Link subnodes.
2793 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
2794 Document severities, priorities, and classes in bug form.
2796 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
2798 * cpplex.c (trigraph_map, speccase): Combine into single
2800 (NORMAL, NONTRI): New macros.
2801 (_cpp_read_and_prescan): Change to use unified table. Use
2802 is_hspace to test for whitespace.
2804 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
2805 definition that doesn't provoke the "empty body in an
2806 if-statement" warning.
2808 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
2810 * builtins.c (expand_builtin_strlen): Force the source to
2811 be a memory address.
2813 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2815 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
2817 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
2819 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
2820 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
2821 (ECF_IS_CONST): Rename to ECF_CONST.
2822 (special_function_p): Make static, change interface.
2823 (flags_from_decl_or_type, try_to_integrate): Break out from ...
2824 (expand_call) ... here; convert number of variables to flags.
2825 (emit_library_call_vlue_1): Likewise.
2826 (setjmp_call_p): New function.
2827 (initialize_argument_information): Accepts flags as argument;
2829 (precompute_arguments): Likewise.
2830 * tree.h (special_function_p): Remove.
2831 (setjmp_call_p): Add prototype.
2833 2000-04-04 Jakub Jelinek <jakub@redhat.com>
2835 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
2836 so that addresses are offsetable by up to 16 bytes.
2837 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
2838 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
2841 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
2842 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
2843 (movsf): Don't force any constant to memory if target is integer
2845 Move fp_zero_operand check below the const0_rtx check.
2846 (movtf): Likewise. Also allow fp_zero_operand for stores into
2848 (movdf): Likewise. Also allow fp_zero_operand for stores into
2849 memory and into integer hard registers.
2850 (clear_df, clear_dfp, movdf_const_intreg_sp32,
2851 movdf_const_intreg_sp64): Remove.
2852 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
2854 (movdf_no_e_insn_v9_sp32): New pattern.
2855 (movdf_insn_v9only): Remove.
2856 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
2857 (movdf_insn_sp64): Remove.
2858 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
2859 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
2860 (following splits): Rewrite conditions. Add two new splits
2861 for storing 0.0 into memory and registers.
2862 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
2863 (movtf_insn_sp32): Redo constraints and conditions.
2864 (movtf_insn_vis_sp32): New pattern.
2865 (movtf_no_e_insn_sp32): Redo constraints and conditions.
2866 (movtf_insn_hq_sp64): Likewise.
2867 (movtf_insn_hq_vis_sp64): New pattern.
2868 (movtf_insn_sp64): Redo constraints and conditions.
2869 (movtf_insn_vis_sp64): New pattern.
2870 (movtf_no_e_insn_sp64): Redo constraints and conditions.
2871 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
2873 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
2874 -mvis or -m64 to take down the number of various reload patterns.
2876 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
2878 * pa/pa-64.h: New file.
2879 * pa/pa64-regs.h: New file.
2880 * pa/pa64-start.h: New file.
2881 * pa/t-pa64: New file.
2882 * pa/xm-pa64hpux.h: New file.
2884 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2886 * sparc.c (output_restore_regs): Prototype.
2887 (sparc_emit_float_lib_cmp): Constification.
2889 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
2891 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
2894 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
2895 (get_value_hash, hash_rtx): Likewise.
2897 * ssa.c (compute_conservative_reg_partition): Prototype.
2899 * tree.c (mark_hash_entry): Prototype.
2901 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
2903 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
2904 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
2905 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
2907 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
2908 * objc/lang-specs.h: Likewise.
2910 2000-04-03 Neil Booth <NeilB@earthling.net>
2912 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
2913 and SYNTAX_ERROR2. Replace `' in messages with ''.
2914 (op_to_str): Make re-entrant.
2915 (_cpp_parse_expr): Implement new error macros. Use | rather
2916 than || to logically or 2 boolean integers. Simply expression
2917 checking we have a left operand iff needed.
2919 2000-04-03 Nick Clifton <nickc@cygnus.com>
2921 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
2923 2000-04-03 Philip Blundell <philb@gnu.org>
2925 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
2927 2000-04-03 Felix Lee <flee@cygnus.com>
2929 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
2930 (run_shell): Use it.
2932 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
2934 * Makefile.in (stmp-int-hdrs): Make include subdir here...
2935 (stmp-fixproto): ...rather than here.
2937 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
2939 * pa.c (print_operand): Compute 'base' only inside the code paths
2942 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
2944 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
2947 2000-04-03 Philipp Thomas <pthomas@suse.de>
2949 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
2951 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
2953 * Makefile.in (alias.o): Depend on $(TREE_H).
2955 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
2957 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
2959 * cpplib.c (_cpp_handle_directive): Improve warnings for
2960 traditional C and indented directives.
2962 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
2963 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
2964 fixinc/inclhack.def: Indent the # of #include_next one space.
2965 * cp/rtti.c: Un-indent #if and #endif.
2967 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
2968 syntax error, but an error has already been printed.
2969 * cpplex.c (_cpp_parse_assertion): Give a more specific error
2970 message when called with nothing remaining on the line.
2971 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
2972 OTHER token, not an ASSERTION.
2973 * cpplib.c (do_assert): When we create a 'base' node, clear
2974 its aschain pointer.
2976 2000-04-02 Neil Booth <NeilB@earthling.net>
2978 * cppexp.c: New typedef op_t. struct operation and struct
2979 token updated to use it.
2980 (op_to_str): New function.
2981 (_cpp_parse_expr): Error messages modified to use op_to_str.
2983 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2985 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
2986 before checking MUST_PASS_IN_STACK.
2988 2000-04-02 Neil Booth <NeilB@earthling.net>
2990 * cppexp.c: New FINISHED dummy token. Combine operator initial
2991 flags and initial priority into a single constant. New
2992 EQUALITY macro. New operator flag SHORT_CIRCUIT.
2993 (_parse_cpp_expr): Implement new constants. Take left operand
2994 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
2995 parse indicated by reducing FINISHED token. Remove new lines
2996 from cpp_error messages.
2998 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3000 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3003 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3005 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3006 directive. Add origin values to DIRECTIVE_TABLE. Generate
3007 the strings and function names on the fly. Take the #sccs
3008 entry out of the table if SCCS_DIRECTIVE is not defined.
3009 (_cpp_handle_directive): Decide if the # was at the beginning
3010 of the line here. Issue -pedantic warnings for extended
3011 directives here. Warn about K+R directives with the #
3012 indented, and C89/extended directives with the # not indented,
3014 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3015 do_assert, do_unassert): Don't issue pedantic warning here.
3017 * cpphash.h: Add CPP_WTRADITIONAL macro.
3018 * cpplib.h (struct cpp_options): Rename warn_stringify to
3019 warn_traditional; update comments.
3020 * cppinit.c (handle_option): Set warn_traditional not
3022 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3023 CPP_WTRADITIONAL (pfile).
3024 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3025 be ignored in -traditional mode here.
3027 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3028 to initialize speccase[] and trigraph_map[]. Delete all
3029 references to pfile->input_speccase. Always treat '?' as a
3030 special character. Remove table-initialization code from
3031 _cpp_init_input_buffer.
3033 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3034 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3036 2000-04-01 Richard Henderson <rth@cygnus.com>
3038 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3039 (mostlyclean): Likewise.
3041 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3042 (struct dump_file_info, enum dump_file_index, dump_file): New.
3043 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3044 not a string. Clean out file if we havn't yet done so. Do nothing
3045 if the dump isn't enabled.
3046 (close_dump_file): Do nothing if the dump isn't open. Dump
3047 graph data if requested.
3048 (dump_rtl, clean_dump_file): Remove.
3049 (compile_file): Don't clean the dump files. Only finalize .bp dump
3050 if flag_test_coverage or flag_branch_probabilities. Only finalize
3051 .combine dump if optimizing. Iterate over dump_file to finalize the
3053 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3054 Convert all uses of dump_rtl.
3055 (decode_d_option): Iterate over dump_file to implement 'a' and to
3056 locate pass-specific dumps.
3058 2000-04-01 Neil Booth <NeilB@earthling.net>
3060 * cppexp.c: Redefine priority constants.
3061 (_cpp_parse_expr): Replace left and right priority scheme with
3062 single priority logic. Move LOGICAL to same place as COMPARE.
3063 Remove bogus check for multiple unary +/- operators.
3065 2000-04-01 Neil Booth <NeilB@earthling.net>
3067 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3068 within the switch statement. Binary operations break out of
3069 the switch naturally. '(' tokens handled by forcing
3070 immediate shift. ')' handled by forcing immediate reduce to
3071 the previous '('. New error messages.
3073 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3075 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3076 part', it's already in use. Use %K instead. Add a return at the
3077 end of what is now %K.
3078 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3080 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3082 * builtins.c (expand_builtin_apply): Pass proper parameters to
3083 allocate_dynamic_stack_space.
3084 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3085 update stack_pointer_delta; do not update arg_size_so_far.
3086 (compute_argument_block_size): Use stack_delta instead of
3087 stack_pointer_pending and arg_size_so_far.
3088 (expand_call): Add sanity checking for stack_pointer_delta;
3089 save and restore stack_pointer_delta for SIB, use
3090 stack_pointer_delta for alignment; do not update arg_space_so_far.
3091 (emit_library_call_value): Use stack_pointer_delta for alignment.
3092 (store_one_arg): Do not update arg_space_so_far.
3093 * explow.c (adjust_stack, anti_adjust_stack): Update
3094 stack_pointer_delta.
3095 (allocate_dynamic_stack_space): Add sanity checking for
3096 stack_pointer_delta.
3097 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3098 stack_pointer_delta.
3099 (emit_push_insn): Update stack_pointer_delta.
3100 * function.h (struct expr_status): Add x_stack_pointer_delta;
3101 remove x_arg_space_so_far.
3102 (arg_space_so_far): Remove.
3103 (stack_pointer_delta): New macro.
3105 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3107 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3108 Reorder struct cpp_options and struct cpp_reader for better
3109 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3110 takes two args. Change all 'char' flags to 'unsigned char'.
3111 Move show_column flag into struct cpp_options. Don't
3112 prototype cpp_options_init.
3113 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3114 cppinit.c, cpplex.c, cpplib.c:
3115 Replace CPP_OPTIONS (pfile)->whatever with
3116 CPP_OPTION (pfile, whatever), and likewise for
3117 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3119 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3120 Extract CPP_OPTION (pfile, pending) and work with that
3122 (cpp_options_init): Delete.
3123 (cpp_reader_init): Turn on on-by-default options here.
3124 Allocate the pending structure here.
3125 (cl_options, enum opt_code): Define these from the same table,
3126 kept in a large macro. Add -fshow-column and -fno-show-column
3129 * cpperror.c (v_message): If show_column is off, don't print
3132 * cppmain.c: Update for new interface.
3133 * fix-header.c: Likewise.
3135 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3137 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3139 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3140 are passed to any invocation of AR_FOR_TARGET.
3141 (AR_CREATE_FOR_TARGET): New macro.
3142 (AR_EXTRACT_FOR_TARGET): New macro.
3143 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3144 AR_EXTRACT_FOR_TARGET.
3145 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3146 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3147 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3148 AR_EXTRACT_FOR_TARGET to sub-makes.
3150 2000-03-31 Neil Booth <NeilB@earthling.net>
3152 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3154 (_cpp_parse_expr): Check for multiple unary +/- operators.
3155 Correct priorities of ':' and '?'. Treat ')' as having a
3156 value. Ensure conditional expression is not void.
3158 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3160 * alias.c (canon_rtx): Make it global.
3161 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3163 * cse.c (struct table_elt): Add canon_exp.
3165 (invalidate): Canonicalize expressions only once.
3166 * rtl.h (canon_rtx): Declare.
3168 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3170 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3171 * alias.c (reg_known_value): Add comments.
3172 (init_alias_analysis): Likewise.
3173 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3175 (cse_basic_block): Fix typo in comment.
3176 * emit-rtl.c: Include hashtab.h.
3177 (const_int_htab): New variable.
3178 (const_int_htab_hash): New function.
3179 (const_int_htab_eq): Likewise.
3180 (rtx_htab_mark_1): Likewise.
3181 (rtx_htab_mark): Likewise.
3182 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3183 (unshare_all_rtx): Fix formatting.
3184 (init_emit_once): Initialize const_int_htab.
3185 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3187 * rtl.texi: Document the fact that all CONST_INTs with the same
3190 2000-03-30 Richard Henderson <rth@cygnus.com>
3192 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3194 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3196 * configure.in: Comment out --enable-c-cpplib stanza.
3197 * configure: Regenerate.
3199 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3201 * expr.c (store_constructor): Properly compute displacement and
3202 alignment when offset is variable.
3204 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3205 cases of alignment in bytes.
3207 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3209 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3210 since it is used to generate c-parse.y.
3211 * objc-parse.c, objc-parse.y: Regenerated.
3213 * function.c (expand_function_end): Pass alignment argument to
3214 emit_block_move in bits, not bytes.
3216 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3218 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3221 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3223 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3224 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3225 * function.c (assign_parms): Likewise.
3226 * integrate.c (expand_inline_function): Likewise.
3227 * stmt.c (expand_decl): Likewise.
3228 (copy_rtx_and_substitute): Likewise.
3229 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3230 (clear_by_pieces): Fix error in last change.
3231 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3232 * function.h (regno_pointer_align): Now unsigned.
3233 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3235 * config/i386/i386.c (aligned_operand): Likewise.
3236 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3237 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3238 (unaligned_memory_operand): Likewise.
3239 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3240 Also make alignments and sizes unsigned and some whitespace cleanup.
3241 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3243 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3244 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3245 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3246 (expand_builtin_memset): Likewise, but to clear_storage.
3247 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3248 (restore_fixed_argument_area): Likewise.
3249 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3250 (load_register_parameters): Likewise, to emit_group_load.
3251 (expand_call): Likewise, to emit_group_store and emit_block_move.
3252 (emit_library_call_value_1): Likewise, to emit_block_move.
3253 (store_one_arg): Likewise, and to emit_push_insn.
3254 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3255 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3256 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3257 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3258 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3259 (expand_assigment, store_expr, store_constructor_field): Likewise.
3260 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3261 (store_constructor, store_field, get_inner_reference): Likewise.
3262 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3263 (expand_expr, case COMPONENT_REF): Likewise.
3264 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3265 and positions; reindent code.
3266 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3267 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3268 (assign_parms): Likewise to emit_group_store.
3269 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3270 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3271 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3272 (expand_return): Likewise to {extract,store}_bit_field.
3273 * stor-layout.c (get_mode_alignment): Minor cleanup.
3274 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3275 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3277 2000-03-29 Nick Clifton <nickc@cygnus.com>
3279 * config/arm/arm.h: Undo effects of previous delta:
3280 (ASM_SPEC): Do not define.
3281 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3283 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3286 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3288 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3289 only after reading in the primary source file.
3291 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3293 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3294 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3295 or a reference to a va_list.
3296 * builtins.c (stabilize_va_list): Simplify now we don't have to
3297 work around C array address decay.
3298 * c-typeck.c (convert_for_assignment): Handle assignment to
3299 a reference parameter by taking the address of the RHS.
3300 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3301 (va_copy): Likewise.
3302 (__va_copy): Likewise.
3303 * ginclude/varargs.h (va_start): Likewise.
3304 (__va_copy): Likewise.
3306 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3308 * i386/djgpp.h: Remove extraneous "+".
3310 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3312 * calls.c (expand_call): Fix typo in last change.
3314 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3316 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3319 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3321 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3322 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3323 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3324 * tree.c (bit_position, byte_position): Likewise.
3325 * tree.h: Declare new functions.
3327 2000-03-29 Nick Clifton <nickc@cygnus.com>
3329 * config/arm/arm.c: Minor formatting changes/
3330 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3332 (ASM_SPEC): Define if not already defined.
3334 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3336 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3339 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3341 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3342 value, don't output it as unsigned.
3344 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3346 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3348 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3350 * c-common.c (c_common_nodes_and_builtins): Don't special case
3351 cplus_mode when declaring builtin bzero/bcmp, always avoid
3352 prototype arguments.
3354 2000-03-29 Bruce Korb <bkorb@gnu.org>
3356 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3359 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3361 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3362 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3363 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3364 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3365 (save_fixed_argument_area, restore_fixed_argument_area):
3366 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3367 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3368 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3369 (precompute_register_parameters): Avoid #ifdefs on
3370 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3371 (stire_one_args): Likewise.
3372 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3373 (emit_library_call_value_1): Likewise.
3374 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3375 ACCUMULATE_OUTGOING_ARGS.
3376 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3378 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3379 (use_crosses_set_p): Likewise.
3380 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3381 #define ACCUMULATE_OUTGOING_ARGS 1.
3382 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3384 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3386 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3387 (TARGET_SWITCHES): Add push-args, no-push-args,
3388 accumulate-outgoing-args and no-accumulate-outgoing-args.
3389 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3390 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3391 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3393 (emit_push_insn): Likewise.
3394 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3395 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3396 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3397 (STACK_DYNAMIC_OFFSET): Define correctly for both
3398 ACCUMULATE_OUTGOING_ARGS and normal mode.
3399 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3400 * tm.texi (PUSH_ARGS): Document.
3401 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3403 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3405 * flags.h (flag_optimize_sibling_calls): Declare.
3406 * calls.c (expand_call): Fail sibcall when
3407 !flag_optimize_sibling_calls
3408 * invoke.texi (flag_optimize_sibling_calls): Document.
3409 * toplev.c (flag_optimize_sibling_calls): New global variable.
3410 (f_options): Add flag_optimize_sibling_calls.
3411 (rest_of_compilation): Conditionize
3412 optimize_sibling_and_tail_recursive_calls by
3413 flag_optimize_sibling_calls.
3414 (main): Set flag_optimize_sibling_calls for -O2.
3415 * stmt.c (expand_return): Conditionize tail recursion by
3416 flag_optimize_sibling_calls.
3418 2000-03-29 Richard Henderson <rth@cygnus.com>
3420 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3421 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3423 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3425 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3427 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3429 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3431 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3432 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3433 * config/rs6000/aix.h: then modified likewise.
3435 2000-03-28 Richard Henderson <rth@cygnus.com>
3437 * rtl.h: Redistribute enum reg_note documentation.
3438 Kill trailing whitespace.
3439 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3440 Kill trailing whitespace.
3442 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3444 * cppfiles.c (hash_IHASH): Just return i->hash.
3445 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3446 htab_find_with_hash.
3447 (cpp_read_file): Likewise.
3448 (find_include_file): Likewise. Properly initialize
3449 ih->nshort. Share ih->name and ih->nshort if possible.
3450 * cpphash.c (_cpp_calc_hash): New function.
3451 (hash_HASHNODE): Just return h->hash.
3452 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3453 htab_find_with_hash.
3454 * cpphash.h: Prototype _cpp_calc_hash.
3455 * cppinit.c (initialize_builtins): Provide a valid hash
3456 to _cpp_make_hashnode, using _cpp_calc_hash.
3458 * cpphash.c (collect_expansion): # is not a special character
3459 in object-like macros. In -traditional mode, /**/ is not
3460 token paste at the beginning or end of the line.
3461 * cpplib.c (do_include, do_import, do_include_next): If
3462 parse_include fails, return immediately.
3464 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3466 * config/arm/arm.md (return peepholes): Update to reflect the new
3468 * config/arm/arm.c (arm_volatile_func): Also check
3469 current_function_nothrow.
3470 (output_return_instruction, output_func_prologue): Use it.
3471 (arm_output_epilogue, arm_expand_prologue): Likewise.
3473 2000-03-27 Tom Tromey <tromey@cygnus.com>
3475 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3478 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3480 * expr.c (store_constructor): SIZE now signed.
3481 For EXPR_SIZE, don't evaluate size; just needed if constant.
3482 * fold-const.c (fold): Fix a number of cases when folded tree is
3484 * function.c (flush_addressof): Reenable.
3485 * tree.h (flush_addressof): Likewise.
3486 * toplev.c (independent_decode_option): Look at strings_processed.
3487 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3489 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3491 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3492 Allow stack adjustment after function call.
3494 * regmove.c (struct csa_memlist): Make mem field rtx *.
3495 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3496 (try_apply_stack_adjustment): Replace whole MEM rtx.
3497 (combine_stack_adjustments_for_block): Update calls
3498 to record_one_stack_ref.
3500 2000-03-28 Neil Booth <NeilB@earthling.net>
3502 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3503 '\\' rather than a null character, so nulls are not special. Fix
3504 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3505 speed trigraph conversion.
3506 (_cpp_init_input_buffer): Initialize trigraph map.
3508 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3510 * config/i386/i386.c (output_387_binary_op): Correct intel
3511 mode assembly output, and add spaces after commas in AT&T
3512 output. Correct Unixware assembler comment. Document input
3513 constraints. Comment fp operations. Reduce profligate buffer
3514 size. Remove extraneous abort. Localize temp var.
3515 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3516 (output_fix_trunc): Add spaces after commas in assembly output.
3518 2000-03-27 Richard Henderson <rth@cygnus.com>
3520 * i386-protos.h (ix86_match_ccmode): Declare.
3521 * i386.c (ix86_match_ccmode): New.
3522 (ix86_expand_fp_compare): Update for pattern renames.
3523 (ix86_expand_strlensi_unroll_1): Likewise.
3524 * i386.h (EXTRA_CC_MODES): Add CCZ.
3525 (SELECT_CC_MODE): Use it for EQ/NE zero.
3526 * i386.md (cmpsi_ccz_1): New.
3528 (*testsi_ccz_1): New.
3529 (testqi_ccz_1): New.
3530 (cmpsi_ccno_1): Rename from cmpsi_0.
3531 (testsi_ccno_1): Rename from testsi_1.
3532 (testqi_ccno_1): Rename from testqi_1.
3533 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3534 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3535 (*cmphi_0): Use ix86_match_ccmode.
3536 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3537 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3538 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3539 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3540 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3541 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3542 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3543 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3544 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3545 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3546 (appropriate peepholes): Likewise.
3547 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3548 (*subsi_3, *subhi_3, *subqi_3): Remove.
3549 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3550 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3551 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3552 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3553 (x86_shift_adj_1): Use CCZ.
3554 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3556 2000-03-27 Stan Cox <scox@cygnus.com>
3558 * resource.h (mark_resource_type): New.
3559 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3560 find_free_register): Use mark_resource_type.
3561 (mark_set_resources): Change include_delayed_effects
3562 to mark_resource_type.
3563 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3564 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3565 Use mark_resource_type.
3567 2000-03-27 Richard Henderson <rth@cygnus.com>
3569 * i386.md (call_pop_0, call_value_pop_0): New.
3570 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3571 (call_value_pop_1): Likewise.
3572 (call_0, call_value_0): New.
3573 (call_1, call_value_1): Remove constraint from unused arg.
3575 2000-03-27 Nick Clifton <nickc@cygnus.com>
3577 * invoke.texi (Spec Files): Document new spec % command created by
3578 Tom Tromey's recent patch.
3580 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3582 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3585 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3587 * expr.c (expand_assignment): Fix typo in last change.
3589 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
3591 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3593 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
3594 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
3595 and DECL_INLINE if FUNCTION_DECL.
3596 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
3597 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
3598 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
3599 (combine_parm_decls): Likewise.
3600 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
3601 * print-tree.c (print_node): Likewise.
3602 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
3603 DECL_TRANSPARENT_UNION on proper decl types.
3604 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
3605 * stor-layout.c (layout_decl): Only check DECL_PACKED and
3606 DECL_BIT_FIELD of FIELD_DECL.
3607 * tree.h (DECL_RESULT_FLD): New macro.
3609 * expr.c (expand_assignment): Add code to handle variable-sized
3612 2000-03-26 Richard Henderson <rth@cygnus.com>
3614 * calls.c (expand_call): Pass parms not original exp to
3615 optimize_tail_recursion. Mind return value instead of looking
3617 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
3618 call_expr. Move checks for call_expr and current_function_decl ...
3619 (expand_return): ... here.
3621 2000-03-26 Tom Tromey <tromey@cygnus.com>
3623 * gcc.c (handle_braces): Recognize `%{<S}' construct.
3624 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
3626 (process_command): Use them.
3627 (check_live_switch): Likewise.
3628 (give_switch): Skip ignored switches.
3630 2000-03-26 Jan Hubicka <jh@suse.cz>
3632 * jump.c (jump_optimize_1): Fix typo in elide optimizations
3633 for minimal jump pass test.
3635 2000-03-26 Mark Mitchell <mark@codesourcery.com>
3637 * integrate.c (function_cannot_inline_p): Do inline functions that
3640 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3642 * stor-layout.c (layout_type, set_sizetype): early_type_list is
3643 now a list of TREE_LIST entries, not types.
3644 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
3646 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
3647 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
3649 * config/mips/mips.c (function_arg): Likewise; also remove cast
3650 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
3651 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
3652 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
3653 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
3654 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
3655 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
3656 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
3657 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
3658 num_adjusts now unsigned.
3659 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
3660 * config/sparc/sparc.c (struct function_arg_record_value_parms):
3662 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
3663 as is BITPOS variable; use host_integerp and int_bit_position.
3664 (function_arg_record_value_2): Likewise.
3665 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
3666 Variable REGNO now unsigned.
3667 (function_arg_record_value): NREGS now unsigned.
3669 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
3671 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
3673 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3675 * Rework fields used to describe positions of bitfields and
3676 modify sizes to be unsigned and use HOST_WIDE_INT.
3677 * alias.c (reg_known_value_size): Now unsigned.
3678 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
3679 (really_start_incremental_init): Use bitsize_zero_node.
3680 (push_init_level, pop_init_level, output_init_element): Likewise.
3681 Use bitsize_unit_node and bitsize_one_node.
3682 (output_pending_init_elements, process_init_element): Likewise.
3683 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
3684 (make_extraction): Position and length HOST_WIDE_INT and unsigned
3685 HOST_WIDE_INT, respectively.
3686 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
3687 (num_sign_bit_copies): Returns unsigned.
3688 BITWIDTH now unsigned; rework arithmetic.
3689 Remove recursive call from arg to MAX.
3690 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
3691 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
3693 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
3694 (find_split_point, expand_compound_operation, make_extraction): LEN
3695 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
3696 (make_field_assignment): Likewise.
3697 (combine_simplify_rtx): Add cast.
3698 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
3699 (force_to_mode): WIDTH now unsigned; add cast.
3700 (if_then_else_cond): SIZE now unsigned.
3701 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
3702 (extended_count): Now returns unsigned.
3703 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
3704 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
3705 (simplify_comparison): MODE_WIDTH now unsigned.
3706 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
3707 (mark_used_regs_combine): Likewise; rework arithmetic.
3708 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
3709 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
3710 (record_promoted_value): REGNO now unsigned.
3711 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
3712 (get_last_value): REGNO now unsigned.
3713 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
3714 (reg_dead_regno, reg_dead_endregno): Now unsigned.
3715 (remove_death): Arg REGNO now unsigned.
3716 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
3717 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
3719 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
3720 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
3721 (struct cse_reg_info): REGNO now unsigned.
3722 (cached_regno): Now unsigned.
3723 (REGNO_QTY_VALID_P): Add cast.
3724 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
3725 (remove_invalid_regs): Likewise.
3726 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
3727 as are variables END and I.
3728 (get_cse_reg_info, insert): Likewise.
3729 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
3730 (canon_hash): Likewise.
3731 (insert_regs, lookup_for_remove): REGNO now unsigned.
3732 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
3734 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
3735 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
3736 * emit-rtl.c (subreg_realpart_p): Add cast.
3737 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
3738 (operand_subword_force): Arg I is now unsigned.
3739 * except.c (eh_regs): Variable I is now unsigned.
3740 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
3741 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
3742 length is unsigned HOST_WIDE_INT; likewise for internal variables.
3743 (store_split_bit_field, extract_fixed_bit_field): Likewise.
3744 (extract_split_bit_field, store_bit_field, extract_bit_field):
3746 * expr.c (store_constructor_fields, store_constructor, store_field):
3747 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
3748 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
3749 (do_jump): Likewise.
3750 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
3751 MAX_SIZE is now unsigned.
3752 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
3753 (emit_group_store): Likewise.
3754 (emit_move_insn): I now unsigned.
3755 (store_constructor): Use host_integerp, tree_low_cst, and
3757 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
3758 Rework all calculations to use trees and new fields.
3759 * expr.h (promoted_input_arg): Regno now unsigned.
3760 (store_bit_field, extract_bit_field): Adjust types of pos and size.
3761 (mark_seen_cases): Arg is HOST_WIDE_INT.
3762 * flow.c (verify_wide_reg_1): REGNO now unsigned.
3763 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
3764 precisions and alignments are unsigned.
3765 (optimize_bit_field_compare, fold_truthop): Likewise.
3766 (int_const_binop): Adjust threshold for size_int_type_wide call.
3767 (fold_convert): Likewise.
3768 (size_int_type_wide): Make table larger and fix thinko that only
3769 had half of table used.
3770 (all_ones_mask_p, fold): Precisions are unsigned.
3771 * function.c (put_reg_info_stack): REGNO is unsigned.
3772 (instantiate_decl): Size is HOST_WIDE_INT.
3773 (instantiate_virtual_regs): I is unsigned.
3774 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
3775 (promoted_input_arg): REGNO is unsigned.
3776 * function.h (struct function): x_max_parm_reg is now unsigned.
3777 * gcse.c (max_gcse_regno): Now unsigned.
3778 (struct null_pointer_info): min_reg and max_reg now unsigned.
3779 (lookup_set, next_set): REGNO arg now unsigned.
3780 (compute_hash_table): REGNO and I now unsigned.
3781 (handle_avail_expr): regnum_for_replacing now unsigned.
3782 (cprop_insn): REGNO now unsigned.
3783 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
3784 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
3785 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
3786 * hard-reg-set.h (reg_class_size): Now unsigned.
3787 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
3788 * jump.c (mark_modified_reg): I now unsigned; add cast.
3789 (rtx_equal_for_thread_p): Add cast.
3790 * loop.c (max_reg_before_loop): Now unsigned.
3791 (struct_movable): REGNO now unsigned.
3792 (try_copy_prop): REGNO arg unsigned.
3793 (regs_match_p): XN and YN now unsigned.
3794 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
3795 (strength_reduce): Likewise; NREGS also unsigned.
3796 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
3797 * loop.h (struct iv_class): REGNO now unsigned.
3798 (max_reg_before_loop, first_increment_giv, last_increment_giv):
3800 * machmode.h (mode_size, mode_unit_size): Now unsigned.
3801 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
3802 * optabs.c (expand_binop): I and NWORDS now unsigned.
3803 (expand_unop): I now unsigned.
3804 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
3805 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
3806 * real.c (significand_size): Now returns unsigned.
3807 * real.h (significand_size): Likewise.
3808 * regclass.c (reg_class_size): Now unsigned.
3809 (choose_hard_reg_mode): Both operands now unsigned.
3810 (record_reg_classes): REGNO and NR now unsigned.
3811 (reg_scan): NREGS now unsigned.
3812 (reg_scan_update): old_max_regno now unsigned.
3813 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
3814 * reload.c (find_valid_class): BEST_SIZE now unsigned.
3815 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
3816 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
3817 Likewise for variable R.
3818 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
3819 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
3820 (find_equiv_reg): Add casts.
3821 (regno_clobbered_p): Arg REGNO now unsigned.
3822 * reload.h (struct reload): NREGS now unsigned.
3823 (refers_to_regno_for_reload_p): Regno args are unsigned.
3824 (regno_clobbered_p): Likewise.
3825 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
3826 (compute_use_by_pseudos): REGNO now unsigned.
3827 (find_reg): I and J now unsigned, new variable K, and change loop
3828 variables accordingly; THIS_NREGS now unsigned.
3829 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
3830 (spill_hard_reg): REGNO arg now unsigned; add casts.
3831 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
3832 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
3833 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
3834 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
3835 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
3836 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
3837 (emit_reload_insns): REGNO now unsigned.
3838 (reload_cse_move2add): Add cast.
3839 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
3841 * resource.c (mark_referenced_resources, mark_set_resources): New
3842 variable R; REGNO and LAST_REGNO now unsigned.
3843 (mark_target_live_regs): J and REGNO now unsigned.
3844 * rtl.c (mode_size, mode_unit_size): Now unsigned.
3845 * rtl.h (union rtunion_def): New field rtuint.
3846 (XCUINT): New macro.
3847 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
3848 (operand_subword, operand_subword_force): Word number is unsigned.
3849 (choose_hard_reg_mode): Operands are unsigned.
3850 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
3851 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
3852 (regno_use_in, combine_instructions, remove_death): Likewise.
3853 (reg_scan, reg_scan_update): Likewise.
3854 (extended_count): Return is unsigned.
3855 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
3856 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
3857 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
3858 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
3859 (reg_reg_last_1): FIRS and LAST now unsigned.
3860 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
3861 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
3863 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
3864 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
3865 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
3866 (replace_regs): Arg NREGS now unsigned.
3867 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
3868 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
3869 (simplify_binary_operation): Likewise.
3870 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
3871 THIS_LAST now unsigned.
3872 (cselib_record_set): Add cast.
3873 * ssa.c (ssa_max_reg_num): Now unsigned.
3874 (rename_block): REGNO now unsigned.
3875 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
3877 (all_cases_count): Just return -1 not -2.
3878 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
3879 Rework tests to use trees whenever possible.
3880 Use host_integerp and tree_low_cst.
3881 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
3882 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
3883 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
3884 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
3885 (smallest_mode_for_size): Likewise.
3886 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
3887 KNOWN_ALIGN is now an alignment, so simplify code.
3888 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
3889 (start_record_layout): Renamed from new_record_layout_info.
3890 Update to new fields.
3891 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
3893 (place_union_field): Renamed from layout_union_field.
3894 Update to use new fields in rli.
3895 (place_field): Renamed from layout_field.
3896 Major rewrite to use new fields in rli; pass alignment to layout_decl.
3897 (finalize_record_size): Rework to use new fields in rli and handle
3899 (compute_record_mode): Rework to simplify and to use new DECL fields.
3900 (finalize_type_size): Make rounding more consistent.
3901 (finish_union_layout): Deleted.
3902 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
3903 (layout_type, case RECORD_TYPE): Call new function names.
3904 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
3905 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
3906 (get_best_mode): UNIT is now unsigned; remove casts.
3907 * tree.c (bit_position): Compute from new fields.
3908 (byte_position, int_byte_position): New functions.
3909 (print_type_hash_statistics): Cast to remove warning.
3910 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
3911 (build_index_type): Likewise; make subtype of sizetype.
3912 (build_index_2_type): Pass sizetype to build_range_type.
3913 (build_common_tree_nodes): Use size_int and bitsize_int to
3914 initialize nodes; add bitsize_{zero,one,unit}_node.
3915 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
3916 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
3917 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
3918 (DECL_FIELD_BITPOS): Deleted.
3919 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
3920 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
3921 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
3922 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
3923 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
3924 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
3925 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
3926 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
3927 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
3928 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
3929 (DECL_ALIGN): Adjust to new field in union.
3930 (DECL_OFFSET_ALIGN): New field.
3931 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
3932 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
3933 (union tree_decl): Add struct for both aligns.
3934 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
3935 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
3936 (struct record_layout_info): Rework fields to have offset
3937 alignment and byte and bit position.
3938 (start_record_layout, place_field): Renamed from old names.
3939 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
3940 (byte_position, int_byte_position): Likewise.
3941 (get_inner_reference): Change types of position and length.
3942 * unroll.c (unroll_loop): New variable R; use for some loops.
3943 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
3944 (calculate_giv_inc): Arg REGNO now unsigned.
3945 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
3946 * varasm.c (assemble_variable): Clean up handling of size using
3947 host_integerp and tree_low_cst.
3948 (decode_addr_const): Use byte, not bit, position.
3949 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
3950 use tree_low_cst and int_bit_position.
3951 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
3953 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
3955 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
3956 (reorder_block_def): New members eff_head and eff_end.
3957 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
3958 (verify_insn_chain): New function.
3959 (skip_insns_between_block): Add code to skip deleted insns.
3960 Check for note before using.
3961 (chain_reorder_blocks): Replace calls to skip_insns_between_block
3962 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
3963 Check for note before using.
3964 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
3965 (fixup_reorder_chain): Restructure, clean up, defect removal.
3966 (reorder_basic_blocks): Remove last_insn and references to it.
3967 Moved insn chain verification code into a new function (see above).
3968 Delete defective code that sets last insn.
3969 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
3972 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3974 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
3976 2000-03-24 Richard Henderson <rth@cygnus.com>
3978 * tree.c (lang_safe_for_unsave): Remove.
3979 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
3980 allowing for two levels of unsafeness. Remove lang hook.
3981 * tree.h: Update declarations.
3982 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
3983 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
3984 Always fail sibcalls when there are pending cleanups.
3986 2000-03-24 Geoff Keating <geoffk@cygnus.com>
3988 * flow.c (propagate_block): When we delete an ADDR_VEC,
3989 also delete the BARRIER following it if there is one.
3991 2000-03-24 Richard Henderson <rth@cygnus.com>
3993 * builtins.c (expand_builtin_bzero): Convert `length' argument
3996 2000-03-24 Jakub Jelinek <jakub@redhat.com>
3998 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
3999 comparison if regno's are equal.
4000 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4001 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4002 (expand_call): Update caller.
4003 Avoid making a sibling call if argument size of the callee is larger
4004 than argument size of the caller.
4005 Call hard_function_value with outgoing set if in sibcall pass.
4006 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4008 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4009 Change LEAF_REGISTERS from an array initializer to actual array
4010 identifier. Move static global variable into the function.
4011 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4012 sequences for leaf functions.
4013 * global.c (global_alloc): Likewise.
4014 * tm.texi (LEAF_REGISTERS): Update documentation.
4016 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4017 TARGET_FLAT leaf disabling hack.
4018 (LEAF_REGISTERS): Changed from an array initializer to actual array
4019 identifier to avoid duplication and remove the above hack.
4020 (FUNCTION_OK_FOR_SIBCALL): Define.
4021 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4022 always like call attribute.
4023 (eligible_for_sibcall_delay): New attribute.
4024 (sibcall): New delay type.
4025 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4026 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4027 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4028 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4029 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4031 (output_function_epilogue): Move part of the code into
4032 output_restore_regs.
4033 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4035 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4038 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4039 until infrastructure is finished.
4041 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4043 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4044 (save_parm_insns): Not here.
4046 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4048 * builtins.c (expand_builtin_bzero): New function.
4049 (expand_builtin): Handle bzero.
4051 * builtins.def: Add BUILT_IN_BZERO.
4053 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4054 prototype & function for bzero.
4056 2000-03-23 Michael Meissner <meissner@redhat.com>
4058 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4059 change adding TARGET_FP to the TF floating point insns, except for
4060 trunctfsf2, which generates direct calls to truncdfsf2.
4062 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4064 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4065 try to protect against middle-end changes that break binary
4067 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4069 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4071 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4073 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4075 * calls.c (expand_call): If TARGET is passed by reference and
4076 is readonly, write a CLOBBER.
4078 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4080 * builtins.c (expand_builtin): Handle bcmp.
4082 * builtins.def: Add BUILT_IN_BCMP.
4084 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4085 prototype & function for bcmp.
4087 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4089 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4090 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4091 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4093 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4095 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4096 alternative when using -fp64 -gp32.
4098 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4100 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4101 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4102 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4104 * frame.h (frame_state): Revert last change.
4105 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4106 * libgcc2.c (throw_helper): Revert last change.
4108 2000-03-22 Richard Henderson <rth@cygnus.com>
4110 * stmt.c (expand_asm_operands): Don't promote the temporary.
4112 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4114 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4115 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4116 c_get_alias_set): Likewise.
4117 * c-decl.c (duplicate_decls): Likewise.
4118 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4119 * calls.c (initialize_argument_information): Likewise.
4120 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4122 * dwarfout.c (decl_class_context,output_type): Likewise.
4123 * expr.c (get_inner_reference): Likewise.
4124 * fold-const.c (simple_operand_p,fold): Likewise.
4125 * function.c (aggregate_value_p): Likewise.
4126 * stmt.c (expand_asm_operands): Likewise.
4127 * varasm.c (named_section): Likewise.
4129 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4131 Implement dwarf2 exception handling for the ARM.
4132 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4133 (DWARF_FRAME_RETURN_COLUMN): Define.
4134 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4135 REG_FRAME_RELATED_EXPR note.
4136 (emit_sfm): Likewise.
4137 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4138 * dwarf2out.c (reg_save): Handle saving a register to itself.
4139 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4140 * except.c (eh_regs): Don't use the static chain reg if it's
4142 * frame.h (frame_state): Add cfa_saved field.
4143 * frame.c (execute_cfa_insn): Set it.
4144 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4146 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4148 (instantiate_virtual_regs): Adjust.
4150 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4151 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4152 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4154 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4155 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4157 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4159 * builtins.def: New file.
4161 * Makefile.in (TREE_H): Depend on builtins.def.
4163 * builtins.c (built_in_names): Use builtins.def.
4165 * tree.h (built_in_function): Likewise.
4167 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4169 * tree.c (size_in_bytes): Return size_zero_node, not
4172 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4174 * config/fp-bit.c (pack_d): Correct the case when a denormal
4175 is rounded up and stops being denormal.
4177 2000-03-21 Richard Henderson <rth@cygnus.com>
4179 * config/alpha/alpha.c (function_arg): Check for void_type_node
4180 before using MUST_PASS_IN_STACK.
4182 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4184 * regmove.c (combine_stack_adjustments_for_block): Check that
4185 the stack pointer is a valid memory address.
4187 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4189 * calls.c: re-install Mar 16 emit_library_call merge.
4191 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4193 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4194 we cannot be sure that if reload_completed base register will
4195 be properly aligned.
4197 2000-03-21 Richard Henderson <rth@cygnus.com>
4199 * flow.c (delete_block): Fix typo last change.
4201 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4203 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4204 not COMPLETE_TYPE_P, to check the type of the expression.
4206 2000-03-21 Michael Meissner <meissner@redhat.com>
4208 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4209 all floating point insns that just tested the macro
4210 TARGET_HAS_XFLOATING_LIBS.
4211 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4212 used to only use the gprs.
4214 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4216 * tree.h (COMPLETE_TYPE_P): New macro.
4217 (COMPLETE_OR_VOID_TYPE_P): New macro.
4218 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4219 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4220 * c-aux-info.c (gen_type): Use them.
4221 * c-common.c (c_expand_expr_stmt): Likewise.
4222 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4223 grokdeclarator, grokparms, finish_struct, start_function,
4224 store_parm_decls, combine_parm_decls): Likewise.
4225 * c-parse.y (cast_expr): Likewise.
4226 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4227 c_size_in_bytes, c_alignof, build_component_ref,
4228 build_indirect_ref, build_array_ref, convert_arguments,
4229 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4230 * calls.c (initialize_argument_information): Likewise.
4231 * convert.c (convert_to_integer): Likewise.
4232 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4233 * dwarfout.c (location_or_const_value_attribute,
4234 output_enumeration_type_die, output_structure_type_die,
4235 output_union_type_die, output_type): Likewise.
4236 * expr.c (safe_from_p, expand_expr): Likewise.
4237 * function.c (assign_parms): Likewise.
4238 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4239 * tree.c (build_array_type, build_function_type,
4240 build_method_type, build_offset_type, build_complex_type): Likewise.
4241 * c-parse.c, c-parse.h: Regenerated.
4243 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4245 * config/c4x/rtems.h: Include config/rtems.h.
4247 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4249 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4250 decl is a FUNCTION_DECL
4252 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4254 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4255 function uses output registers. Don't save RP for leaf functions.
4256 Do save RP even if no epilogue.
4257 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4258 (CALL_USED_REGISTERS): Unmark in registers.
4259 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4262 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4264 * config/rs6000/rs6000.md (bunordered): New expander.
4265 (bordered): New expander.
4266 (buneq): New expander.
4267 (bunge): New expander.
4268 (bungt): New expander.
4269 (bunle): New expander.
4270 (bunlt): New expander.
4271 (bltgt): New expander.
4273 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4274 (ccr_bit_negated_p): New function.
4275 (print_operand): For %C, generate appropriate cror for UNEQ,
4276 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4278 2000-03-20 Andreas Jaeger <aj@suse.de>
4280 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4283 * tree.h (safe_for_unsave): Prototype.
4285 2000-03-20 Richard Henderson <rth@cygnus.com>
4287 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4288 (combine_stack_adjustments_for_block): Don't allow sp references
4289 in the side of a set we're not fixing up.
4290 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4291 after life_analysis.
4293 2000-03-20 Richard Henderson <rth@cygnus.com>
4295 * calls.c (expand_call): Don't bother generating tail call
4296 sequences if there are pending cleanups. Use
4297 expand_start_target_temps/expand_end_target_temps to elide
4298 cleanups created during sibcall expansion.
4300 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4302 * configure.in: Set $IFS to a value if it doesn't already have one
4303 in the --enable-checking handling.
4304 * configure: Regenerate.
4306 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4308 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4309 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4312 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4314 * jump.c (delete_noop_moves): Remove code attempting to
4315 combine stack adjustments.
4317 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4319 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4320 * except.c (emit_cleanup_handler): Use them.
4321 (expand_end_all_catch): Likewise.
4322 * function.c (fixup_var_refs): Likewise.
4323 (expand_function_end): Clear catch_clauses_last.
4324 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4325 * except.h (struct eh_status): New field x_catch_clauses_last.
4326 (catch_clauses_last): New define.
4328 * Makefile.in (tree.o): Depend on HASHTAB_H.
4329 * tree.c: Include hashtab.h.
4330 (struct type_hash): Remove next field.
4331 (TYPE_HASH_SIZE): Remove.
4332 (TYPE_HASH_INITIAL_SIZE): New define.
4333 (type_hash_table): Change type to htab_t.
4334 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4335 mark_hash_entry): New functions.
4336 (init_obstacks): Allocate type hash.
4337 (type_hash_lookup): Use htab functions.
4338 (type_hash_add, mark_type_hash): Likewise.
4339 (dump_tree_statistics): Call print_type_hash_statistics.
4341 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4343 * rs6000/t-aix41: New file.
4345 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4347 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4349 * tm.texi (Driver): Fix typos and tweak entry for
4351 Move misplaced STRUCT_FORCE_BLK entry ...
4352 (Storage Layout): ... to here.
4353 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4355 2000-03-19 Richard Henderson <rth@cygnus.com>
4357 * flow.c (delete_block): Delete the addr_vec along with the block.
4358 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4361 * fold-const.c (extract_muldiv): Apply type check for defined
4362 overflow to multiply as well as divide.
4364 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4366 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4368 * emit-rtl.c (remove_unncessary_notes): Check that all
4369 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4370 associated NOTE_BLOCK.
4371 * function.h (identify_blocks): Update comments.
4372 (reorder_blocks): Declare.
4373 * function.c (identify_blocks): Don't take paramters.
4374 (reorder_blocks): Don't take parameters.
4375 * loop.h (find_loop_tree_blocks): Remove.
4376 (unroll_block_trees): Likewise.
4377 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4378 reorder_blocks instead of unroll_block_trees.h
4379 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4380 * stmt.c (find_loop_tree_blocks): Remove.
4381 (unroll_block_trees): Likewise.
4382 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4383 in whole-function mode.
4384 * tree.h (reorder_blocks): Remove declaration.
4386 * expr.c: Include intl.h.
4387 * Makefile.in (expr.o): Depend on intl.h.
4389 2000-03-18 Richard Henderson <rth@cygnus.com>
4391 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4393 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4395 * tree.h (tree_index): Remove enumerals for integer types.
4396 (integer_type_kind): New type.
4397 (integer_types): New variable.
4398 (char_type_node): Adjust.
4399 (signed_char_type_node): Likewise.
4400 (unsigned_char_type_node): Likewise.
4401 (short_integer_type_node): Likewise.
4402 (short_unsigned_type_node): Likewise.
4403 (integer_type_node): Likewise.
4404 (unsigned_type_node): Likewise.
4405 (long_integer_type_node): Likewise.
4406 (long_unsigned_type_node): Likewise.
4407 (long_long_integer_type_node): Likewise.
4408 (long_long_unsigned_type_node): Likewise.
4409 * tree.c (integer_types): New variable.
4410 (init_obstacks): Register it as a root.
4412 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4414 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4415 NEXT_INSN. Update last insn in chain.
4417 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4419 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4420 with TYPE_DECL_SUPPRESS_DEBUG set.
4422 2000-03-18 Richard Henderson <rth@cygnus.com>
4424 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4426 2000-03-18 Richard Henderson <rth@cygnus.com>
4428 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4429 care for HALF_PIC_P.
4430 (expander_call_insn_operand): Remove.
4431 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4432 * i386.h (PREDICATE_CODES): Update.
4433 * i386.md (all call expanders): Remove predicates, remove special
4434 handling for half-pic.
4435 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4436 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4437 (sibcall_epilogue): New.
4439 2000-03-17 Richard Henderson <rth@cygnus.com>
4441 * rtlanal.c (single_set): Reject if the parallel has anything
4442 except SET or USE or CLOBBER.
4444 2000-03-17 Jeff Law <law@cygnus.com>
4445 Richard Henderson <rth@cygnus.com>
4447 * Makefile.in (OBJS): Add sibcall.o.
4449 * sibcall.c: New file.
4450 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4451 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4452 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4453 Emit sibcall patterns when requested. Update all callers.
4454 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4455 elimination seems feasable.
4456 * final.c (leaf_function_p): Sibling calls don't discount being
4458 * flow.c (HAVE_sibcall_epilogue): Provide default.
4459 (find_basic_blocks_1): Sibling calls don't throw.
4460 (make_edges): Make edge from sibling call to EXIT.
4461 (propagate_block): Don't remove sibcall_epilogue insns.
4462 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4463 (sibcall_epilogue): New.
4464 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4465 (identify_blocks_1): Likewise. Break out from ...
4466 (identify_blocks): ... here.
4467 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4468 (reorder_blocks): ... here.
4469 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4470 (record_insns): Extend a varray instead of mallocing new memory.
4471 (contains): Read a varray not array of ints.
4472 (sibcall_epilogue_contains): New.
4473 (thread_prologue_and_epilogue_insns): Emit and record
4474 sibcall_epilogue patterns.
4475 (init_function_once): Allocate prologue/epilogue varrays.
4476 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4477 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4479 (save_for_inline_nocopy): ... here.
4480 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4482 (expand_inline_function): ... here.
4483 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4484 (subst_constants): Handle 'n' formats.
4485 * jump.c (jump_optimize_minimal): New.
4486 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4487 optimizations if it's set.
4488 * rtl.c (copy_rtx): Do copy jump & call for insns.
4489 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4490 (SIBLING_CALL_P): New.
4491 (sibcall_use_t): New.
4492 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4493 Invoke optimize_sibling_and_tail_recursive_calls.
4494 * tree.c (lang_safe_for_unsave): New.
4495 (safe_for_unsave): New.
4496 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4498 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4499 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4500 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4502 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4504 * objc/objc-act.c (encode_method_prototype): Pass types, not
4505 PARM_DECLs, to int_size_in_bytes.
4507 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4509 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4511 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4512 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4514 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4516 * Clean up usages of TREE_INT_CST_LOW.
4517 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4518 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4520 * c-tree.h (min_precision): Move declaration to here.
4521 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4522 (build_unary_op, add_pending_init): Use bit_position.
4523 (pending_init_member, process_init_element): Likewise.
4524 (really_start_incremental_init, push_init_level, pop_init_level):
4525 Don't make copies of nodes or modify them in place, use consistent
4526 types when tracking positions, and use tree routines computations.
4527 (set_init_index, output_init_element): Likewise.
4528 (output_pending_init_elements, process_init_element): Likewise.
4529 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4530 tree_low_cst and int_bit_position; also minor cleanup.
4531 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4532 (print_cst_octal): Precision is unsigned.
4533 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4534 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4535 (simple_type_align_in_bits): Result is unsigned int.
4536 Use tree_int_low_cst and host_integerp.
4537 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4538 (field_byte_offset): Result is HOST_WIDE_INT.
4539 Change types of internal variables so alignments are unsigned int,
4540 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4541 Use host_integerp, tree_low_cst, and int_bit_position.
4542 (add_bit_offset_attribute): Likewise.
4543 (add_data_member_location_attribute): Use tree_cst_low.
4544 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4545 (add_bit_size_attribute): Use tree_low_cst.
4546 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4547 * dwarfout.c: Similar changes to dwarf2out.c.
4548 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4549 * genoutput.c (n_occurences): Return -1 for null string.
4550 (strip_whitespace): Accept null string and make into function.
4551 (scan_operands): Reflect above changes.
4552 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4553 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4554 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4555 * tree.c (int_size_in_bytes): Check for too big to represent.
4556 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4557 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4559 (min_precision): Delete from here.
4560 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4561 and int_bit_position.
4562 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4563 (encode_method_def): Likewise.
4564 (build_ivar_list_initializer): Use int_bit_position.
4565 (generate_shared_structures): Convert size.
4566 (encode_type, encode_complete_bitfield): Use integer_zerop.
4567 (encode_bitfield): Use tree_low_cst and int_bit_position.
4569 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4571 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4573 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4575 * call.c (special_function_p): It is only malloc if it returns
4578 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4580 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4581 (C33_FLAG, TARGET_C3X): Add macros.
4582 (TARGET_SWITCHES): Add -m33 option.
4583 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4585 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4587 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
4588 (PARALLEL_PACK_FLAG): Delete.
4589 (TARGET_SWITCHES): Update.
4590 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
4592 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4594 * fold-const.c (fold): Fix a few cases when the returned result
4595 is not of the same type as the input.
4597 2000-03-16 Nick Clifton <nickc@cygnus.com>
4599 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
4602 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4604 * libgcc2.h: Move prototypes above macros with the same name.
4605 Wrap some function prototypes in the conditional which indicates
4606 whether they are supported, i.e. "BITS_PER_UNIT == 8".
4608 2000-03-16 Richard Henderson <rth@cygnus.com>
4610 * calls.c: Revert last two changes.
4612 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
4614 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
4615 has exponent 0 is a zero.
4617 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
4618 HASH may already be nonzero. Add code/mode into hash value
4619 immediately after repeat label.
4620 (cselib_lookup): Don't leave the hash table in an inconsistent
4621 state before a hash lookup operation.
4623 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
4625 * i386.md (all HI and QI mode non-move patterns): Conditionize
4626 by TARGET_[HQ]IMODE_MATH.
4627 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4628 x86_promote_qi_regs): Declare.
4629 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
4630 TARGET_PROMOTE_QI_REGS): New macros.
4631 (PROMOTE_MODE): New macro.
4632 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4633 x86_promote_qi_regs): New global variables.
4635 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
4637 * calls.c (emit_library_call_value_1): Break out from ...; handle
4638 VOIDmode function calls too.
4639 (emit_library_call_value): ... here.
4640 (emit_library_call): Implement by calling emit_library_call_value_1.
4642 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
4644 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
4645 Update arg_space_so_far on stack adjustments.
4646 (emit_library_call, emit_library_call_value): Likewise; take into
4647 account arg_space_so_far and pending_stack_adjust when calculcating
4650 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
4652 * flow.c: Move all basic block reordering code into its own file.
4653 (create_basic_block): Externalize.
4654 * bb-reorder.c: New file. Copy all basic block reordering code from
4655 flow.c to this file.
4656 (reorder_basic_blocks): Fix fencepost error in for-loop.
4657 (reorder_basic_blocks): Remove braces from single statement for-loops.
4658 * basic-block.h: Add declaration for create_basic_block.
4659 * Makefile.in: Add rules for bb-reorder.o.
4661 2000-03-16 Neil Booth <NeilB@earthling.net>
4663 * cppinit.c (handle_option): Implement #unassert directive
4664 as -A- command line option.
4665 (print_help): Update.
4666 * cpptexi.c: Update.
4668 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
4670 * md.texi (Standard Names): Document `jump'.
4672 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4674 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
4677 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4679 Merge changes from newppc-branch onto trunk.
4681 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4683 * rs6000.c (toc_hash_table): Update for new hash table functions.
4684 (toc_hash_function): Likewise.
4685 (toc_hash_eq): Likewise.
4686 (toc_hash_mark_entry): Likewise.
4687 (toc_hash_mark_table): Likewise.
4688 (output_toc): Likewise.
4689 (rs6000_add_gc_roots): Likewise.
4691 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4693 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
4694 (AR_FLAGS_FOR_TARGET): here. New macro.
4696 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
4698 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
4699 fpmem_operand) Delete.
4701 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
4702 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
4703 (rs6000_save_machine_status, rs6000_restore_machine_status,
4704 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
4705 references to above variables.
4706 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
4707 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
4708 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
4709 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
4710 (XER_REGNO_P, XER_REGNO): New.
4711 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
4712 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
4713 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
4715 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4716 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
4717 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
4719 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4721 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
4722 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
4723 * rs6000.h: from here.
4725 * rs6000-protos.h (rs6000_select_section): Provide prototype.
4726 (rs6000_select_rtx_section): Likewise.
4727 (rs6000_encode_section_info): Likewise.
4728 (sdata_section): Likewise.
4729 (sdata2_section): Likewise.
4730 (sbss_section): Likewise.
4731 * sysv4.h (rs6000_select_section): Delete prototype.
4732 (rs6000_select_rtx_section): Likewise.
4733 (rs6000_encode_section_info): Likewise.
4734 (sdata_section): Likewise.
4735 (sdata2_section): Likewise.
4736 (sbss_section): Likewise.
4737 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
4739 * sysv4.h: Delete various unnecessary #undef's and put a comment
4740 on the remaining ones.
4741 Change various comments according to coding standard.
4743 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
4745 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
4746 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
4747 (CR0_REGNO_P) Remove.
4748 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
4749 setup_incoming_varargs, mtcrf_operation, print_operand,
4750 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
4751 Use the above macros.
4753 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
4755 * config/rs6000/rs6000.md: Added a new alternative for each
4756 pattern that had a 'x' alternative but no 'y' alternative.
4757 Added a new split for each of the above patterns.
4759 2000-02-18 Geoff Keating <geoffk@cygnus.com>
4761 * aix41.h (ASM_CPU_SPEC): Delete.
4762 (CPP_CPU_SPEC): Delete.
4764 * aix.h (RS6000_OUTPUT_BASENAME): Define.
4765 (ASM_OUTPUT_LABEL): Define.
4766 (ASM_GLOBALIZE_LABEL): Define.
4767 (STRIP_NAME_ENCODING): Define.
4768 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
4769 (STRIP_NAME_ENCODING): Don't define.
4770 (ASM_OUTPUT_LABEL): Don't define.
4771 (ASM_GLOBALIZE_LABEL): Don't define.
4772 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
4773 names, and ASM_OUTPUT_LABEL to output labels, rather than
4775 (ASM_OUTPUT_LABEL): Define.
4776 (ASM_OUTPUT_INT): Use assemble_name.
4777 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
4778 (STRIP_NAME_ENCODING): Don't undefine first.
4779 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
4781 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
4782 specified with 'asm' even with -fleading-underscore.
4783 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
4784 (output_epilog): Likewise.
4785 (output_toc): Likewise.
4786 * tramp.asm: Handle -fleading-underscore correctly.
4788 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
4790 (nonlocal_goto_receiver): Delete.
4791 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
4793 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
4794 (SET_ASM_OP): Define.
4795 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
4797 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
4800 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
4801 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
4803 * rs6000.h: Add 'u' to more constants.
4805 2000-02-18 David Edelsohn <edelsohn@gnu.org>
4807 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
4809 2000-02-15 David Edelsohn <edelsohn@gnu.org>
4811 * rs6000.c (reg_or_u_cint_operand): New function.
4812 (logical_operand): Handle 64-bit hosts.
4813 (logical_u_operand): New function.
4814 (non_logical_cint_operand): Handle 64-bit hosts.
4815 (non_logical_u_cint_operand): New function.
4816 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
4817 (PREDICATE_CODES): Define new functions.
4818 * rs6000-protos.h: Declare new functions.
4819 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
4820 (movdi_64): Bracket code intended for 64-bit hosts. Create
4821 CONST_DOUBLE for 32-bit values.
4822 (scc insns): Generate DImode compares.
4823 (mfcr insns): Create DImode versions.
4824 (sge matchers): New patterns.
4826 2000-02-15 Gabriel Paubert <paubert@iram.es>
4828 * rs6000.md: Correct instructions length attributes and
4829 constraints on unsigned compare instructions.
4830 (*ne0): Disable for PowerPC64.
4832 2000-02-11 Geoff Keating <geoffk@cygnus.com>
4834 * rs6000.c (output_function_profiler): Use .long for a 32-bit
4835 quantity, fix profile1.C test failure under -fPIC.
4837 * rs6000.c: Add 'u' to many constants to suppress warnings.
4838 (constant_pool_expr_1): Make static.
4839 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
4840 * rs6000.h: Add 'u' to many constants to suppress warnings.
4842 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
4843 for the start of the TOC, instead of LCTOC..0.
4844 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
4846 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
4847 (load_toc_aix_di): Use LCTOC..1.
4849 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
4850 * rs6000.c (rs6000_legitimize_address): New function from
4851 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
4852 symbols in the constant pool that really are TOC references.
4853 (print_operand_address): For ELF, write TOC offsets under
4854 -fPIC as subtractions in the insn.
4855 (output_toc): For ELF, define symbols in TOC as normal labels,
4857 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
4858 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
4859 (create_TOC_reference): Prototype only when RTX_CODE is defined.
4860 * rs6000.md (movsi): Only use create_TOC_reference on
4861 symbols in the constant pool that really are TOC references.
4863 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
4864 * rs6000.c (rs6000_reorg): Delete.
4865 * rs6000-protos.h (rs6000_reorg): Delete.
4867 2000-02-09 Geoff Keating <geoffk@cygnus.com>
4869 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
4871 * aix.h (SETUP_FRAME_ADDRESSES): Define.
4872 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
4873 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
4874 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
4875 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
4876 rs6000_aix_emit_builtin_unwind_init.
4877 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
4878 rs6000_emit_eh_toc_restore on AIX.
4879 (return_eh_si): Use r2.
4880 (return_eh_di): Use r2.
4882 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
4883 since we're breaking binary compatibility anyway.
4885 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
4887 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
4888 constant_pool_expr_p): Declare them.
4889 (constant_pool_expr_p): Declare it.
4890 * config/rs6000/rs6000.c (toc_label_name): Define.
4891 (rs6000_override_options): Set toc_label_name.
4892 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
4893 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
4894 uses_TOC): New functions.
4895 (print_operand): Delete old '*' case.
4896 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
4897 and strip off rtl for TOC before calling output_addr_const.
4898 (rs6000_emit_load_toc_table): Use toc_label_name.
4899 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
4901 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
4902 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
4903 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
4904 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
4905 into explicit TOC_REGISTER offsets.
4906 (TOC_REGISTER): New macro.
4907 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
4908 TARGET_TOC to reference TOC_REGISTER.
4909 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
4910 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
4911 uses_TOC before emitting label references.
4913 2000-02-05 Geoff Keating <geoffk@cygnus.com>
4915 * rs6000.md (stack_tie): Fix warning.
4917 * eabi-ctors.c: Use 'asm' names for the start/end variables,
4918 to handle -fleading-underscore.
4919 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
4920 (USER_LABEL_PREFIX): New macro.
4921 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
4922 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
4923 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
4924 call-linux can use the same multilibs.
4925 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
4926 and call-linux multilibs. Do multilib with -fleading-underscore.
4927 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
4928 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
4931 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
4932 have MASK_SOFT_FLOAT set.
4933 (CPP_FLOAT_DEFAULT_SPEC): New macro.
4934 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
4935 CPP_FLOAT_DEFAULT_SPEC.
4937 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
4938 * rs6000.md: Whitespace change.
4939 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
4940 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
4942 2000-02-05 Geoff Keating <geoffk@cygnus.com>
4944 * rs6000.md (eh_epilogue): New expander.
4945 (eh_reg_restore): New expand/split/insn combination.
4946 (return_eh_si): New insn.
4947 (return_eh_di): New insn.
4949 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
4950 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
4951 * eabi-ctors.c (__do_global_ctors): Register this object's
4952 frame. Clean up. Call atexit() after the constructors.
4953 (__do_global_dtors): Deregister this object's frame. Clean up.
4954 Allow for recursive calls to exit().
4955 * rs6000.c (fixuplabelno): New variable.
4956 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
4957 TARGET_RELOCATABLE, it slows down exec() under linux.
4958 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
4960 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
4961 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
4962 (ASM_OUTPUT_DWARF_DELTA2): New macro.
4963 (ASM_OUTPUT_DWARF_DELTA4): New macro.
4964 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
4965 (ASM_OUTPUT_DWARF_ADDR): New macro.
4966 (ASM_OUTPUT_DWARF_DATA4): New macro.
4967 (ASM_OUTPUT_DWARF_DATA2): New macro.
4968 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
4969 (ASM_OUTPUT_DWARF_OFFSET): New macro.
4970 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
4972 2000-02-03 Geoff Keating <geoffk@cygnus.com>
4974 * rs6000.c (rs6000_sr_alias_set): New variable.
4975 (rs6000_override_options): Initialise rs6000_sr_alias_set.
4976 (rs6000_emit_stack_tie): New function.
4977 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
4978 in a way that dwarf2out can understand.
4979 (rs6000_frame_related): New function.
4980 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
4981 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
4982 Use rs6000_emit_stack_tie when needed.
4983 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
4984 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
4985 * rs6000.md (stack_tie): New insn.
4986 (return_internal_si): Allow return value to be in the count
4988 (return_internal_di): Likewise.
4990 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
4992 2000-02-03 Geoff Keating <geoffk@cygnus.com>
4994 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
4996 2000-01-31 Geoff Keating <geoffk@cygnus.com>
4998 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5000 * rs6000.md (stmw): Use the right POWER opcode.
5003 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5005 * rs6000-protos.h: New file.
5007 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5009 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5012 * sysv4.h: Likewise.
5014 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5016 * ../../configure.in: Delete powerpcle-*-winnt*
5017 and powerpcle-*-pe|powerpcle-*-cygwin*.
5018 * ../../configure: Regenerated.
5020 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5021 (TARGET_WINDOWS_NT): Delete.
5023 (CALL_NT_DLLIMPORT): Delete.
5024 Delete NT-specific code.
5025 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5028 * nt-ci.asm: Delete.
5029 * nt-cn.asm: Delete.
5030 * ntstack.asm: Delete.
5032 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5034 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5035 (ASM_FILE_START): Likewise.
5036 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5037 (ASM_OUTPUT_LABELREF): Likewise.
5038 (ASM_OUTPUT_SKIP): Likewise.
5039 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5040 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5041 (ASM_OUTPUT_CASE_LABEL): Likewise.
5042 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5043 (ASM_OUTPUT_ASCII): Likewise.
5045 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5047 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5048 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5049 increment rs6000_pic_labelno here.
5050 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5051 and increment rs6000_pic_labelno here.
5053 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5055 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5056 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5057 allocation knows (reg) is dead before the insn.
5059 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5061 * rs6000.md (movsi_to_cr): Correct typo in output template.
5063 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5065 * rs6000.c (rs6000_pic_labelno): Always define.
5066 (rs6000_pic_func_labelno): Delete.
5067 (lmw_operation): Check for a zero base register,
5068 which doesn't mean what we want.
5069 (stmw_operation): New function.
5070 (print_operand): Define new 'l' modifier.
5071 (rs6000_stack_info): We must save all 64 bits of the registers
5072 if TARGET_POWERPC64.
5073 (rs6000_output_load_toc_table): Delete.
5074 (rs6000_emit_load_toc_table): New function.
5075 (rs6000_allocate_stack_space): Delete.
5076 (rs6000_emit_allocate_stack): New function.
5077 (rs6000_emit_prologue): New function.
5078 (output_prolog): Use rs6000_emit_prologue.
5079 (rs6000_emit_epilogue): Change a few variable names to be
5080 more accurate. Restore all 64 bits of the registers if
5081 TARGET_POWERPC64. Only restore the FP registers which were used
5082 if they are being saved/restored one-at-a-time.
5083 (output_mi_thunk): Delete inefficient code generation.
5084 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5085 * rs6000.h: Declare rs6000_emit_load_toc_table,
5086 rs6000_allocate_stack_space, stmw_operation. Don't declare
5087 rs6000_output_load_toc_table.
5088 * rs6000.md (elf_high): Allow register 0, but discourage it
5090 (elf_low): Support loading into register 0.
5091 (load_toc_aix_si): New pattern.
5092 (load_toc_aix_di): New pattern.
5093 (load_toc_v4_pic_si): New pattern.
5094 (load_toc_v4_pic_di): New pattern.
5095 (load_toc_v4_PIC_1): New pattern.
5096 (load_toc_v4_PIC_1b): New pattern.
5097 (load_toc_v4_PIC_2): New pattern.
5098 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5099 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5100 (prologue): New expander.
5101 (movesi_from_cr): New pattern.
5102 (stmw): New pattern.
5103 (save_fpregs_si): New pattern.
5104 (save_fpregs_di): New pattern.
5106 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5108 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5113 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5115 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5117 (movsi_got_internal): Likewise.
5118 (movsi_got_internal+1): Likewise.
5119 (set_sp): 'unspec 7' does a SImode clobber.
5121 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5123 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5124 allocate a stack temporary.
5125 (floatsidf2_internal): Likewise.
5126 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5128 (floatunssidf2): Don't use the fpmem "register", just
5129 allocate a stack temporary.
5130 (floatunssidf2_internal): Likewise.
5131 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5133 (floatsidf2_loadaddr): Delete.
5134 (floatsidf2_store1): Delete.
5135 (floatsidf2_store2): Delete.
5136 (floatsidf2_load): Delete.
5137 (fix_truncdfsi2): Don't use the fpmem "register", just
5138 allocate a stack temporary.
5139 (fix_truncdfsi2_internal_si): Delete.
5140 (fix_truncdfsi2_internal_di): Delete.
5141 (fix_truncdfsi2_internal): New insn.
5142 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5143 (fix_truncdfsi2_store): Delete.
5144 (fix_truncdfsi2_load): Delete.
5145 (fctiwz): Produce gen_fctiwz.
5147 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5149 * eabi.h (INVOKE__main): Define.
5150 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5152 (rs6000_emit_prologue): Likewise.
5153 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5154 this is the main program.
5156 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5158 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5160 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5162 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5163 goes after the argument.
5165 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5167 * rs6000.md: Document 'unspec' values used.
5168 (epilogue): New expander.
5169 (movesi_to_cr_one): New expander.
5170 (movesi_to_cr and following): New pattern.
5172 (return_internal_si): New pattern.
5173 (return_internal_di): New pattern.
5174 (return_and_restore_fpregs_si): New pattern.
5175 (return_and_restore_fpregs_di): New pattern.
5176 * rs6000.h: Declare new functions.
5177 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5178 rather than rs6000_calls_p.
5179 (rs6000_makes_calls): Delete.
5180 (lmw_operation): New function.
5181 (mtcrf_operation): New function.
5182 (rs6000_emit_epilogue): New function.
5183 (output_epilog): Call rs6000_emit_epilogue and final if
5184 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5186 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5188 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5189 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5190 * aix.h (SUBTARGET_SWITCHES): Document switches.
5191 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5192 sched-prolog and sched-epilog the same. Document all the
5194 (TARGET_OPTIONS): No longer allow -mdebug-.
5196 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5198 * rs6000.h (ASM_FILE_END): Move to aix.h.
5199 (EXTRA_SECTIONS): Move to aix.h.
5200 (READONLY_DATA_SECTION): Move to aix.h.
5201 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5202 (SELECT_SECTION): Move to aix.h.
5203 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5204 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5205 (LINK_REGISTER_REGNUM): New definition.
5206 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5207 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5209 * sysv4.h: Delete the code between the inclusion of rs6000.h
5211 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5212 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5213 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5214 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5215 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5216 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5217 (fix_truncdfsi2_internal_di): New pattern.
5218 (fix_truncdfsi2_store): The second arg here is Pmode too.
5219 (fix_truncdfsi2_load): The second arg here is Pmode too.
5220 (tablejumpdi): Now that switch tables hold only SImode values,
5221 gcc needs to know how to add them to the pc which is DImode.
5222 * rs6000.c (rs6000_stack_info): Use symbolic name for
5223 LINK_REGISTER_REGNUM.
5224 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5225 (output_toc): Delete unused variables s1 and s2.
5226 (output_ascii): Use fputs not fprintf on a variable string.
5228 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5230 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5231 * aix43.h: Revert Aug 2 change.
5232 (HAS_INIT_SECTION): Define, not visible yet.
5233 (LD_INIT_SWITCH): Define, not visible yet.
5234 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5236 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5238 * config/rs6000/rtems.h: Include config/rtems.h.
5240 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5242 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5243 (SLOW_UNALIGNED_ACCESS): Define.
5244 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5245 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5246 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5247 (toc_section): Likewise and .toc pseudo-op.
5248 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5250 (TEXT_SECTION_ASM_OP): Likewise.
5251 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5254 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5256 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5257 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5260 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5262 * rs6000.h: Move more stuff from here...
5264 * sysv4.h: Cleanup accordingly.
5265 * netware.h: Likewise
5267 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5269 * rs6000.h: Continue cleanup.
5272 * netware.h: Likewise.
5274 * sysv4.h: Likewise.
5275 * win-nt.h: Likewise.
5277 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5278 (TARGET_OPTIONS): Likewise.
5280 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5281 (SUBTARGET_OPTIONS): Likewise.
5283 * rs6000.md: Fix compile time warnings.
5285 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5287 vxworks patches from the Cygnus tree originally by
5288 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5289 <vmakarov@cygnus.com>.
5290 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5291 (ENDFILE_SPEC): Likewise.
5292 (LIB_VXWORKS_SPEC): New macro.
5293 (STARTFILE_VXWORKS_SPEC): New macro.
5294 (ENDFILE_VXWORKS_SPEC): New macro.
5295 (LINK_START_VXWORKS_SPEC): New macro.
5296 (LINK_OS_VXWORKS_SPEC): New macro.
5297 (CPP_OS_VXWORKS_SPEC): New macro.
5298 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5299 * vxppc.h: Rewrite to use proper configuration method.
5300 * vxppcle.h: New file.
5301 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5302 * ../../configure: Rebuilt.
5304 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5306 Lots of changes to rs6000.h, sysv4.h, aix.h,
5307 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5308 with the aim that rs6000.h is the first header
5309 included and the others override it.
5312 * x-aix41-gld: Remove.
5314 * x-aix41: Remove target-specific switches, and don't specify
5315 -Wl,-bbigtoc as we don't need it any more.
5316 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5317 Use t-aix43 for AIX 4.3 and above.
5318 * ../../configure: Regenerated.
5320 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5321 options, that don't do anything yet.
5322 (MASK_SCHED_PROLOG): New macro.
5323 (MASK_SCHED_EPILOG): New macro.
5324 (TARGET_SCHED_PROLOG): New macro.
5325 (TARGET_SCHED_EPILOG): New macro.
5327 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5329 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5330 one per translation unit, not one per function.
5331 (output_toc): Also do duplicate constant elimination
5332 for per-translation-unit TOCs.
5334 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5335 a comment explaining _exactly_ when this pattern gets used.
5336 (builtin_setjmp_receiver): New pattern for better clarity.
5337 (init_v4_pic): Move it into a section dealing with TOC registers.
5339 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5341 * rs6000.c (toc_hash_table): New variable.
5342 (rs6000_hash_constant): New function.
5343 (toc_hash_function): New function.
5344 (toc_hash_eq): New function.
5345 (toc_hash_mark_entry): New function.
5346 (toc_hash_mark_table): New function.
5347 (output_toc): Don't output duplicate TOC entries in
5349 (rs6000_add_gc_roots): Add the hash table as a GC root.
5350 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5351 where they clearly shouldn't be. This may need to be fixed
5352 later when there is a GNU ar for AIX.
5353 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5354 Don't define BOOT_LDFLAGS as it is now not necessary.
5356 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5358 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5359 for va_list on AIX. Use unsigned_char_type_node rather than
5360 constructing our own version on svr4.
5362 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5364 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5365 since patently it's not.
5367 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5369 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5370 define_expand/define_insn pair, and handle restore of the
5371 SVR4 -fpic register.
5373 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5375 * acconfig.h (HAVE_GAS_WEAK): New define.
5376 * configure.in (assembler weak support): Check for .weak support.
5377 * config.in, configure: Rebuilt.
5378 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5379 HAVE_GAS_WEAK is defined.
5381 2000-03-15 Nick Clifton <nickc@cygnus.com>
5383 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5386 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5388 * cppfiles.c (open_include_file): New function.
5389 (find_include_file, cpp_read_file): Use it.
5391 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5393 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5395 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5397 * flow.c (verify_flow_info): Check for unconditional return.
5399 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5401 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5402 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5403 (__ia64_restore_stack_nonlocal): New.
5404 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5406 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5408 * cpphash.c (collect_formal_parameters): Do not complain about
5409 parameter names that just start with `__VA_ARGS__'.
5411 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5413 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5414 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5415 * i386.c (pentiumpro_cost): Set mul cost to 4.
5416 (x86_use_movx): Set for PPro.
5418 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5420 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5421 STACK_BOUNDARY for empty frames now.
5423 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5425 * stor-layout.c (layout_union): Remove.
5426 (layout_union_field): New function, split out from layout_union.
5427 (finish_union_layout): Likewise.
5428 (layout_field): Handle unions by calling layout_union_field.
5429 (finish_record_layout): Handle unions.
5430 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5431 QUAL_UNION_TYPE handling.
5433 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5435 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5436 end of basic block is jump_insn, not barrier; use create_basic_block
5437 instead of creating basic block by hand.
5439 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5441 * flow.c (reorder_basic_blocks): Account for barriers when writing
5442 over NEXT_INSN (last_bb->end).
5443 (verify_flow_info): Add check for missing barriers.
5445 2000-03-14 Greg McGary <gkm@gnu.org>
5447 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5448 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5449 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5450 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5451 __unbounded, __unbounded__): New keywords.
5452 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5453 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5454 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5456 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5458 * cselib.h: New file.
5459 * alias.c: Include "cselib.h".
5460 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5461 MEMs as two new arguments.
5462 (get_addr): New static function.
5463 (find_base_term): Handle VALUEs.
5464 (memrefs_conflict_p): Likewise.
5465 (true_dependence): Call get_addr on the addresses.
5466 Call fixed_scalar_and_varying_struct_p with addresses that have been
5467 passed through get_addr and canon_rtx.
5468 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5469 with true_dependence.
5470 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5471 * loop.c: Include "cselib.h".
5472 (load_mems): Process extended basic block that enters the loop with
5473 cselib. Use that information to change initialization of the shadow
5474 register so that a constant equivalence is seen by later passes.
5475 * reload1.c: Include "cselib.h".
5476 (reload_cse_invalidate_regno): Delete function.
5477 (reload_cse_mem_conflict_p): Likewise.
5478 (reload_cse_invalidate_mem): Likewise.
5479 (reload_cse_invalidate_rtx): Likewise.
5480 (reload_cse_regno_equal_p): Likewise.
5481 (reload_cse_check_clobber): Likewise.
5482 (reload_cse_record_set): Likewise.
5483 (reg_values): Delete static variable.
5484 (invalidate_regno_rtx): Likewise.
5485 (reload_cse_delete_noop_set): New static function.
5486 (reload_cse_simplify): New static function, broken out of
5488 (reload_cse_noop_set_p): Delete unused argument INSN.
5489 Just call rtx_equal_for_cselib_p on set source and destination.
5490 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5491 reload_cse_delete_noop_set. Delete code to keep track of values; use
5492 cselib functions instead. Delete code to push/pop obstacks.
5493 (reload_cse_simplify_set): Use cselib to find equivalent values.
5494 Delete code to push/pop obstacks.
5495 (reload_cse_simplify_operands): Likewise.
5496 * rtl.def (VALUE): New rtx code.
5497 * rtl.h (union rtunion_def): New elt rt_cselib.
5498 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5499 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5500 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5501 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5502 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5503 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5504 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5505 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5506 cselib_record_set, cselib_record_sets): New static functions.
5507 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5508 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5509 references_value_p): New functions.
5510 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5511 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5512 n_useless_values, reg_values, callmem, cselib_obstack,
5513 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5514 New static variables.
5515 * varray.h (union varray_data_tag): New elt te.
5516 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5517 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5520 2000-03-14 Nick Clifton <nickc@cygnus.com>
5522 * gcc.c (do_spec_1): Catch the case where %* is used in a
5523 substitution pattern, but it has not been initialised.
5524 Issue a meaningful error message if an unrecognised operator
5525 is encountered in a spec string.
5527 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5529 * function.c (prepare_function_start): Correctly initialize
5530 cfun->stack_alignment_needed.
5532 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5534 * cppfiles.c (find_include_file): Don't assume nshort is a
5537 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5539 * configure.in (hppa configurations): Add pa32-regs.h to the
5540 list of tm files as appropriate.
5541 * configure: Rebuilt.
5542 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5544 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5545 (fmpyaddoperands, fmpysuboperands): Likewise.
5546 * pa.h: Remove various definitions which depend on knowing
5547 how registers are numbered.
5548 * pa32-regs.h: New file with PA32 register numbering specific
5551 2000-03-14 Richard Henderson <rth@cygnus.com>
5553 * regmove.c (combine_stack_adjustments): New.
5554 (stack_memref_p, single_set_for_csa): New.
5555 (free_csa_memlist, record_one_stack_memref): New.
5556 (try_apply_stack_adjustment): New.
5557 (combine_stack_adjustments_for_block): New.
5558 * rtl.h (combine_stack_adjustments): Declare.
5559 * toplev.c (rest_of_compilation): Call it.
5561 * i386.md: Revert 2000-01-16 change.
5563 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5565 * gccbug.in: Add web category, gcc specific classes.
5567 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5569 * stor-layout.c (finalize_record_size): Fix typo.
5571 2000-03-14 Stan Shebs <shebs@apple.com>
5573 * c-typeck.c (c_alignof): Error on incomplete types.
5574 * extend.texi (Alignment): Document this.
5576 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5578 * cppfiles.c: Include mkdeps.h.
5579 (find_include_file, read_include_file): Remove _cpp_ prefix
5580 from name, make static.
5581 (_cpp_execute_include): New function, broken out of
5584 * cpplib.c: Don't include mkdeps.h.
5585 (struct directive): Remove type field. Reorder entries. The
5586 function takes only one argument.
5587 (struct if_stack): Make type field an int.
5588 (directive_table): Rename to dtable. Generate it, the
5589 prototypes of the directive handlers, and the enum for the
5590 directive numbers, from a template macro.
5591 (do_ifndef, do_include_next, do_import): New functions.
5592 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
5593 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
5594 do_ident, do_assert, do_unassert, do_sccs): Take only one
5596 (do_sccs): Define always, but alter behavior based on
5598 (_cpp_handle_directive, consider_directive_while_skipping):
5599 Restructure for new directive table layout.
5601 (pass_thru_directive): Take a directive number, not a pointer
5602 to a struct directive.
5603 (parse_include): New function, broken out of do_include.
5604 (do_include, do_import, do_include_next): Use parse_include
5605 and _cpp_execute_include.
5606 (do_elif, do_else): Test for T_ELSE specifically when checking
5607 for #elif/#else after #else.
5608 (parse_ifdef): New function, broken out of do_ifdef.
5609 (validate_else): Expect a name arg without a leading #.
5610 (if_directive_name): Delete.
5611 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
5612 directive handlers with only one argument.
5614 * cpphash.h: Update prototypes.
5615 (enum node_type): Remove entries for directives.
5616 * Makefile.in: Update dependencies.
5618 * cpphash.c (dump_hash_helper): Only dump nodes of type
5619 T_MACRO. Emit a newline after each definition.
5621 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5623 * gccbug.in: New file.
5624 * configure.in (all_outputs): Add gccbug.
5625 * Makefile.in (install-common): Install gccbug.
5626 (GCCBUG_INSTALL_NAME): New variable.
5627 * configure: Rebuilt.
5629 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5631 * function.c (put_var_into_stack): Use type_for_mode to calculate
5632 part_type. Use MEM_SET_IN_STRUCT_P.
5633 * expr.c (store_field): Handle CONCAT.
5634 (store_constructor): Use fields_length.
5635 * tree.c (fields_length): New fn.
5636 * tree.h: Declare it.
5638 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5640 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
5641 (cpplex.o): New target.
5642 * po/POTFILES.in: Add cpplex.c.
5644 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
5645 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
5646 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
5647 skip_block_comment, skip_line_comment, skip_comment,
5648 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
5649 _cpp_parse_name, skip_string, parse_string,
5650 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
5651 _cpp_get_directive_token, find_position,
5652 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
5653 (maybe_macroexpand, _cpp_lex_token): New functions.
5655 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
5656 parse_goto_mark): Delete.
5657 (_cpp_handle_eof): New function.
5658 (_cpp_handle_directive): Rename from handle_directive.
5659 (_cpp_output_line_command): Rename from output_line_command.
5660 (do_if, do_elif): Call _cpp_parse_expr directly.
5661 * cppfiles.c (_cpp_read_include_file): Don't call
5662 init_input_buffer here.
5663 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
5664 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
5665 here; pop the token_buffer and skip the rest of the line here.
5666 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
5669 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
5671 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
5672 CPP_GOTO_MARK): New macros.
5673 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
5674 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
5675 _cpp_read_and_prescan, _cpp_init_input_buffer,
5676 _cpp_grow_token_buffer, _cpp_get_directive_token,
5677 _cpp_handle_directive, _cpp_handle_eof,
5678 _cpp_output_line_command): Prototype them here.
5679 * cpplib.h (enum cpp_token): Add CPP_MACRO.
5680 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
5681 quote_string, output_line_command): Remove.
5683 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
5685 * stmt.c (expand_end_case): RANGE may be signed, and when checking
5686 whether it is too large we must also verify that it isn't negative.
5688 2000-03-13 Jakub Jelinek <jakub@redhat.com>
5690 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
5691 (movsi_zero_liveg0): Remove.
5692 (movsf_insn_novis_liveg0): Remove.
5694 (negsi2_not_liveg0): Rename to negsi2.
5695 (one_cmplsi2): Remove.
5696 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
5697 (one_cmplsi2_liveg0): Remove.
5698 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
5699 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
5700 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
5701 (PREDICATE_CODES): Remove zero_operand.
5702 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
5703 TARGET_BROKEN_SAVERESTORE.
5704 (zero_operand): Remove.
5705 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
5706 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
5708 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5709 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
5710 TARGET_BROKEN_SAVERESTORE): Remove.
5711 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5713 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5715 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5718 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
5720 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5722 * cpplib.c (do_pragma_implementation): Fix off-by-one error
5723 truncating a string. Don't assume tokens are nul terminated.
5724 Problem noted by Andreas Jaeger <aj@suse.de>
5726 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5728 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
5729 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
5730 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
5732 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
5734 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
5735 STRUCTURE_SIZE_BOUNDARY.
5737 2000-03-13 Mark Mitchell <mark@codesourcery.com>
5739 * tree.h (record_layout_info_s): New structure.
5740 (record_layout_info): New type.
5741 (new_record_layout_info): New function.
5742 (layout_field): Likewise.
5743 (finish_record_layout): Likewise.
5744 * stor-layout.c (layout_record): Remove.
5745 (new_record_layout_info): New function.
5746 (layout_field): New function, broken out from layout_record.
5747 (finalize_record_size): Likewise.
5748 (compute_record_mode): Likewise.
5749 (finalize_type_size): New function, broken out from layout_type.
5750 (finish_record_layout): Likewise.
5751 (layout_type): Use them.
5753 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5755 * cpphash.c: Don't include version.h.
5756 (special_symbol) [case T_VERSION]: Look for the string in
5757 hp->value.cpval; don't use version_string.
5758 * cppinit.c (initialize_builtins): Set hp->value.cpval for
5759 __VERSION__ to version_string.
5760 * Makefile.in (cpphash.o): Update deps.
5762 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5764 Convert cpplib to use libiberty/hashtab.c.
5766 * cpplib.h (struct cpp_reader): Make hashtab and
5767 all_include_files of type 'struct htab *'. Delete HASHSIZE
5768 and ALL_INCLUDE_HASHSIZE macros.
5770 * cpphash.h: Update prototypes.
5771 (struct hashnode): Remove next, prev, and bucket_hdr members.
5772 Make length a size_t. Add hash member.
5773 (struct ihash): Remove next member. Add hash member. Make
5774 name a flexible array member.
5776 * cppfiles.c: Include hashtab.h.
5777 (include_hash): Delete.
5778 (IHASHSIZE): New macro.
5779 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
5780 (cpp_included): Do the hash lookup here.
5781 (_cpp_find_include_file): Rewrite.
5782 (cpp_read_file): Put the "fake" hash entry into the hash
5783 table. Honor the control_macro, if it turns out we've seen
5784 the file before. Don't push the buffer here.
5785 (_cpp_read_include_file): Push the buffer here.
5786 (OMODES): New macro. Use it whenever we call open(2).
5788 * cpphash.c: Include hashtab.h.
5789 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
5790 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
5791 _cpp_lookup_slot): New functions.
5792 (HASHSIZE): new macro.
5793 (hashf, _cpp_install, _cpp_delete_macro): Delete.
5794 (_cpp_lookup): Use hashtab.h routines.
5796 * cppinit.c: Include hashtab.h.
5797 (cpp_reader_init): Call _cpp_init_macro_hash and
5798 _cpp_init_include_hash. Don't allocate hashtab directly.
5799 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
5800 pfile->all_include_files.
5801 (initialize_builtins): Use _cpp_make_hashnode and
5802 htab_find_slot to add hash entries.
5803 (cpp_finish): Just call _cpp_dump_macro_hash.
5804 * cpplib.c: Include hashtab.h.
5805 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
5806 create hash entries.
5807 (do_pragma_poison, do_assert): Likewise.
5808 (do_include): Don't push the buffer here. Don't increment
5809 system_include_depth unless _cpp_read_include_file succeeds.
5810 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
5812 (do_pragma_implementation): Use alloca to create copy.
5814 * Makefile.in: Update dependencies.
5816 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5818 * cppinit.c (cl_directive_handler): More K&R fixing.
5820 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
5822 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
5824 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
5826 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5828 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
5829 Change from char[] to macros.
5831 2000-03-12 Neil Booth <NeilB@earthling.net>
5833 * cppinit.c (cpp_start_read): Update indirect function
5836 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
5838 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
5841 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5842 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
5844 2000-03-11 Neil Booth <NeilB@earthling.net>
5846 * cppinit.c (struct pending option): Replace undef with a
5847 pointer to a directive handling routine.
5848 (struct cpp_pending): Replace separate assert_ and define_
5849 lists with one directive_ list.
5850 (new_pending_define): Rename new_pending_directive. Extra
5851 argument is the directive's handling routine.
5852 (handle_option): Update to use new_pending_directive.
5854 2000-03-11 Neil Booth <NeilB@earthling.net>
5856 * cppfiles.c (file_cleanup, _cpp_find_include_file,
5857 remap_filename, _cpp_read_include_file, actual_directory,
5858 hack_vms_include_specification): Replace bcopy(), index() etc
5859 calls. Add casts to some allocations. Make some variables
5860 pointers to const [unsigned] char.
5861 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
5862 collect_formal_parameters): Similarly.
5863 * cppinit.c (struct pending_option, append_include_chain,
5864 cpp_options_init, cpp_reader_init, initialize_standard_includes,
5865 cpp_start_read, new_pending_define, handle_option): Similarly.
5866 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
5867 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
5868 do_pragma_implementation, detect_if_not_defined,
5869 do_ifdef, skip_if_group, cpp_get_token, parse_string,
5870 do_assert, do_unassert): Similarly.
5871 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
5872 function prototypes.
5873 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
5875 2000-03-10 Richard Henderson <rth@cygnus.com>
5877 * builtins.c (expand_builtin_strlen): Revert last change.
5878 Use emit_insn_before if we're at the beginning of a sequence.
5880 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
5882 * builtins.c (expand_builtin_strlen): Make sure that we have something
5883 at the beginning of the sequence.
5885 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
5888 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
5890 2000-03-10 Richard Henderson <rth@cygnus.com>
5892 * except.c (can_throw): Use INTVAL on a CONST_INT.
5893 (reachable_handlers): Likewise.
5894 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
5896 2000-03-10 Andreas Jaeger <aj@suse.de>
5898 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
5899 MD_STARTFILE_PREFIX since those are not needed on linux.
5900 (ASM_FILE_START): New, from mips/gnu.h.
5902 2000-03-09 Richard Henderson <rth@cygnus.com>
5903 Alex Samuel <samuel@codesourcery.com> and others
5905 * Makefile.in (ssa.o): New rule.
5907 (STAGESTUFF): Add *.ssa and *.ussa.
5908 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
5909 * rtl.def (PHI): New RTL expression.
5910 * rtl.h (clear_log_links): New declaration.
5911 (convert_to_ssa): Likewise.
5912 (convert_from_ssa): Likewise.
5913 * flow.c (split_edge): If the entry node falls through to the
5914 split edge's source block, split the entry edge.
5915 (clear_log_links): New function.
5916 * toplev.c (ssa_dump): New variable.
5917 (flag_ssa): Likewise.
5918 (f_options): Add "ssa".
5919 (compile_file): Create SSA dump files.
5920 (rest_of_compilation): Go to and from SSA if enabled.
5921 (decide_d_option): Handle -de for SSA dump files.
5924 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
5926 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
5929 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
5931 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
5933 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
5935 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
5936 (MD_STARTFILE_PREFIX_1): New macro.
5938 2000-03-09 Robert Lipe <robertl@sco.com>
5940 * config/ia64/ia64.c: Include system.h.
5942 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
5944 * except.c (nothrow_function_p): If -fno-exceptions, just return.
5945 (init_eh_nesting_info): Likewise.
5947 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
5948 (TREE_NOTHROW): Rename from TREE_RAISES.
5949 * toplev.c (rest_of_compilation): Set it.
5950 * print-tree.c (print_node): Adjust.
5951 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
5952 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
5953 * calls.c (emit_call_1): Add 'nothrow' parm. Add
5954 REG_EH_REGION note as appropriate.
5955 (libfunc_nothrow): New fn.
5956 (emit_library_call, emit_library_call_value): Use it.
5957 (expand_call): Check TREE_NOTHROW.
5959 * varasm.c (make_decl_rtl): Skip initial '*' when setting
5960 DECL_ASSEMBLER_NAME.
5962 2000-03-09 Andreas Jaeger <aj@suse.de>
5964 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
5965 (TARGET_MEM_FUNCTIONS): Define.
5967 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
5969 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
5971 * except.c (can_throw): See through a SEQUENCE.
5972 (nothrow_function_p): New fn.
5973 * except.h: Declare it.
5974 * function.c (current_function_nothrow): New var.
5975 (prepare_function_start): Initialize it.
5976 * output.h: Declare it.
5977 * toplev.c (rest_of_compilation): Set it.
5978 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
5980 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
5982 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
5983 match. (cpp_compare_defs): Count the nul separator when
5984 advancing over argument names.
5986 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
5988 * recog.c (preprocess_constraints): Matching constraints affect
5989 same alternative/different operand, not same operand/different
5992 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
5993 register and a constant specially.
5995 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5997 * libgcc2.h: New file.
5998 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6000 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6002 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6003 * configure: Regenerate.
6006 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6008 * Makefile.in (LIBCPP_DEPS): New macro.
6009 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6011 * cpperror.c: Include cpphash.h.
6012 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6014 (lex): Don't use CPP_WARN_UNDEF.
6015 (_cpp_parse_expr): Return an int, the truth value.
6016 * cppfiles.c: Include cpphash.h.
6017 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6018 * cppinit.c (include_defaults_array): Disentangle.
6019 (cpp_cleanup): Don't free the if stack here.
6020 (cpp_finish): Pop off all buffers, not just one.
6021 * cpplib.c (eval_if_expr): Return int.
6022 (do_xifdef): Rename do_ifdef.
6023 (handle_directive): Don't use CPP_PREPROCESSED.
6024 (cpp_get_token): Don't use CPP_C89.
6025 * fix-header.c: Don't use CPP_OPTIONS.
6027 * cpplib.h: Move U_CHAR, enum node_type, struct
6028 file_name_list, struct ihash, is_idchar, is_idstart,
6029 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6030 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6031 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6032 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6033 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6034 of _cpp_simplify_pathname, _cpp_find_include_file,
6035 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6036 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6038 Change all uses of U_CHAR to be unsigned char instead.
6039 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6041 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6043 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6044 (dwarf2out_begin_prologue): Set it.
6045 (output_call_frame_info): Don't emit EH unwind info for leaves.
6047 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6048 can occur outside of an EH region.
6049 * except.c: Correct comments about rethrow behavior.
6050 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6052 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6054 * flow.c (make_edges): Always call make_eh_edge for calls.
6056 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6058 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6059 (struct cpp_buffer): Remove fname and underflow fields.
6060 (struct cpp_reader): Remove get_token field.
6061 (struct include_hash): Rename to struct ihash. Add typedef to
6063 (struct if_stack): Remove fname field.
6064 (IF_STACK_FRAME): Rename to IF_STACK.
6066 * cpperror.c (print_containing_files): Trust that there are no
6067 macro buffers below the top file buffer.
6068 * cppfiles.c: Replace all references to 'struct include_hash'
6069 with 'IHASH'. Rename initialize_input_buffer to
6070 init_input_buffer. Don't set or reference cpp_buffer->fname,
6071 use buffer->ihash->name instead.
6072 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6073 not CPP_NULL_BUFFER.
6074 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6075 IF_STACK_FRAME, IHASH not struct include_hash.
6076 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6077 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6078 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6079 references to cpp_buffer->fname (delete entirely, or use
6080 ->ihash->name instead) and IF_STACK->fname.
6081 (cpp_push_buffer): Don't set new->underflow.
6082 (do_include): Use cpp_file_buffer.
6084 * cpphash.c (collect_formal_parameters): Remove duplicate
6085 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6086 used as a macro argument name. Don't append "..." to namebuf
6087 for varargs macros. After we're done scanning, go through
6088 namebuf and make it NUL separated, not comma separated.
6089 (_cpp_compare_defs): Remove register tag from variables.
6090 Expect defn->argnames to be NUL separated.
6091 (_cpp_dump_definition): Expect defn->argnames to be NUL
6092 separated and in forward order.
6093 * cpphash.h: Update documentation of argnames field.
6095 2000-03-08 Richard Henderson <rth@cygnus.com>
6097 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6098 to fail. Don't pre-expand the source operand.
6100 * i386.md (strlensi): Initialize eoschar and align before use.
6102 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6104 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6105 CONSTRUCTOR element.
6107 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6109 * mips.c (mips_expand_prologue): If the last
6110 named argument is the vararg marker "va_list", treat it as
6111 an unnamed argument.
6113 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6115 * dbxout.c (dbxout_parms): When correcting for promoted
6116 big-endian parameters, use the mode of the DECL_RTL rather
6117 than UNITS_PER_WORD.
6119 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6121 * c-common.h (make_fname_decl): Declare.
6122 * c-common.c (make_fname_decl): Define.
6123 (declare_hidden_char_array): Remove.
6124 (declare_function_name): Use make_fname_decl.
6125 * c-decl.c (c_make_fname_decl): New function.
6126 (init_decl_processing): Set make_fname_decl.
6128 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6130 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6132 2000-03-07 Philipp Thomas <pthomas@suse.de>
6134 * po/POTFILES.in: Remove cppalloc.c from file list.
6136 2000-03-07 Steve Chamberlain <sac@pobox.com>
6138 * pj.c (pj_expand_prologue): current_function->args_info is
6139 now current_function_args_info.
6141 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6142 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6143 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6145 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6147 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6148 output as hexadecimal rather than the default octal.
6150 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6152 * cpphash.c (special_symbol): Fix thinko in previous commit.
6154 2000-03-07 Neil Booth <NeilB@earthling.net>
6156 * cppexp.c (struct operation, left_shift, right_shift,
6157 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6158 "int"s to "unsigned int"s.
6159 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6161 * cpplib.h: Update for above.
6162 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6163 returned from allocations.
6165 * cppinit.c (opt_comp, parse_options): New functions.
6166 (handle_option): Use parse_option to parse a single command
6167 line option, that possibly takes an argument.
6168 (cpp_handle_options): Sort the array of command line options on
6169 first invocation (non-ASCII hosts only).
6170 (print_help): Update.
6172 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6174 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6175 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6177 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6179 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6181 * cpperror.c (cpp_print_containing_files,
6182 cpp_print_file_and_line, v_cpp_message): Rename to
6183 print_containing_files, print_file_and_line, and v_message.
6184 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6185 to _cpp_parse_expr, parse_escape, and lex.
6186 (parse_charconst): Remove broken multibyte support.
6187 * cppfiles.c (include_hash): Make static.
6188 (cpp_included): New function.
6189 (merge_include_chains, find_include_file, finclude,
6190 simplify_pathname): Rename to _cpp_merge_include_chains,
6191 _cpp_find_include_file, _cpp_read_include_file, and
6192 _cpp_simplify_pathname.
6193 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6194 cpp_install, create_definition, macroexpand, compare_defs,
6195 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6196 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6197 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6198 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6200 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6202 * cpphash.h: Update prototypes.
6203 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6205 2000-03-07 Andrew Haley <aph@cygnus.com>
6207 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6208 PTRDIFF_TYPE should be based solely on Pmode.
6211 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6213 * rtl.h (rtunion_def): Constify member `rtstr'.
6214 (emit_line_note_after, emit_line_note, emit_line_note_force,
6215 emit_note, decode_asm_operands): Constify.
6217 * cse.c (canon_hash): Likewise.
6219 * dbxout.c (dbxout_block): Likewise.
6221 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6222 v_warning_for_asm): Likewise.
6224 * dwarfout.c (function_start_label): Likewise.
6226 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6227 emit_line_note_force): Likewise.
6229 * final.c (last_filename, asm_insn_count, final_scan_insn,
6230 output_source_line): Likewise.
6232 * function.h (struct emit_status): Likewise.
6234 * gcse.c (hash_expr_1): Likewise.
6236 * genattr.c (gen_attr, main): Likewise.
6238 * genattrtab.c (struct function_unit, current_alternative_string,
6239 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6240 attr_numeral, check_attr_test, check_attr_value,
6241 convert_set_attr_alternative, convert_set_attr,
6242 compute_alternative_mask, simplify_by_exploding, gen_attr,
6243 gen_unit): Likewise.
6245 * genflags.c (gen_insn): Likewise.
6247 * gengenrtl.c (type_from_format): Likewise.
6249 * genopinit.c (gen_insn): Likewise.
6251 * genoutput.c (n_occurrences, process_template, process_template):
6254 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6257 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6260 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6261 ggc_set_mark, ggc_get_size): Likewise.
6263 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6265 * optabs.c (init_one_libfunc): Likewise.
6267 * output.h (assemble_start_function): Likewise.
6269 * recog.c (decode_asm_operands): Likewise.
6271 * toplev.c (rest_of_compilation): Likewise.
6273 * tree.h (emit_line_note_after, emit_line_note,
6274 emit_line_note_force): Likewise.
6276 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6277 asm_emit_uninitialised, assemble_start_function,
6278 assemble_variable, const_hash, compare_constant_1,
6279 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6281 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6283 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6285 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6287 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6289 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6290 arm_dllimport_name_p): Likewise.
6292 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6295 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6297 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6299 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6300 arm_mark_dllexport, arm_mark_dllimport,
6301 arm_pe_encode_section_info): Likewise.
6303 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6304 ASM_FINISH_DECLARE_OBJECT): Likewise.
6306 * arm/thumb.c (thumb_function_prologue): Likewise.
6308 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6310 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6312 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6314 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6316 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6318 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6320 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6321 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6323 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6325 * i386/i386.c (asm_output_function_prefix): Likewise.
6327 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6329 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6331 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6333 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6334 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6335 ASM_OUTPUT_SECTION_NAME): Likewise.
6337 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6339 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6341 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6343 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6345 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6347 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6349 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6351 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6353 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6355 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6357 * mips/mips.md (movdi, movsi): Likewise.
6359 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6361 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6363 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6365 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6366 ASM_OUTPUT_ASCII): Likewise.
6368 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6369 output_mi_thunk, output_toc): Likewise.
6371 * rs6000/rs6000.md (movsi): Likewise.
6373 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6375 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6377 * v850/v850.c (print_operand, print_operand_address,
6378 v850_encode_data_area): Likewise.
6380 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6382 * config/mips/mips.md (zero_extendsidi2): Always force operand
6383 one to memory for mips16.
6385 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6387 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6388 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6389 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6390 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6391 (min_precision): Result is unsigned.
6392 (add_double, neg_double, mul_double): Low word is unsigned.
6393 (lshift_double, rshift_double, lrotate_double): Likewise.
6394 (rrotate_double, div_and_round_double): Likewise.
6395 (tree_floor_log2, compare_tree_int): New functions.
6396 (preserve_rtl_expr_temps): New declaration.
6397 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6398 (decl_attributes): Use tree_log2 to find alignment.
6399 Check for TREE_INT_CST_HIGH for format args.
6400 (min_precision): Now unsigned.
6401 Use tree_floor_log2.
6402 (truthvalue_conversion): Delete long-disabled code.
6403 * c-decl.c (finish_struct): Clean up tests on field width.
6404 (finish_function): Use compare_tree_int.
6405 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6406 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6407 (default_conversion, digest_init): Use compare_tree_int.
6408 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6409 Fix type errors in forming masks.
6410 * calls.c (initialize_argument_information): Use compare_tree_int.
6411 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6412 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6413 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6414 (store_field): Use compare_tree_int.
6415 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6416 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6417 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6418 (do_store_flag): Use compare_tree_int.
6419 * fold-const.c (encode, decode): Low part is always unsigned.
6420 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6421 (lshift_double, rshift_double, lrotate_double): Likewise.
6422 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6423 (fold_convert): Use compare_tree_int.
6424 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6425 (invert_truthvalue, case INTEGER_CST): Likewise.
6426 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6427 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6428 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6429 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6431 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6432 (expand_end_case): Use compare_tree_int.
6433 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6434 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6435 (layout_decl): Likewise.
6436 (layout_record, layout_union): Make sizes unsigned.
6437 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6438 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6439 * tree.c (struct type_hash): hashcode is unsigned.
6440 (build_type_attribute_variant, type_hash_list): Likewise.
6441 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6442 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6443 (build_complex_type): Likewise.
6444 (real_value_from_int_cst): Remove unneeded casts.
6445 (integer_all_onesp): Add casts.
6446 (tree_floor_log2, compare_tree_int): New functions.
6447 (build_index_type): Use tree_int_cst_sgn.
6448 * varasm.c (assemble_variable): Use compare_tree_int.
6450 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6452 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6454 * varasm.c (make_decl_rtl): Don't add a number to members of
6456 (make_function_rtl): Likewise.
6458 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6460 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6461 patch from 2000-01-28.
6463 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6465 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6466 filled with an insn from the jump target.
6468 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6470 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6471 (c4x_external_ref): Likewise.
6472 * config/c4x/c4x.c (struct name_list): Likewise.
6474 1999-12-16 Ben Collins <bcollins@debian.org>
6476 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6477 argument to genmultilib.
6478 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6479 the contents into the multilib.h header.
6480 * gcc.c: Declare multilib_exclusions for the specs file.
6481 (set_multilib_dir): Use it.
6482 (print_multilib_info): Likewise.
6483 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6484 to pass to genmultilib.
6486 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6488 * builtins.c (built_in_class_names, built_in_names): Constify a
6491 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6493 (_mcleanup): Ensure value matches format specifier in sprintf.
6495 * cpphash.c (special_symbol): Don't needlessly cast away
6498 * cppinit.c (base_name): Delete unused prototype.
6500 * mkdeps.c (deps_init): Make definition K&R safe.
6502 * tree.h (built_in_class_names, built_in_names): Constify a
6505 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6507 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6508 floating point instructions for epilogue delay.
6510 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6511 to gas if it supports .register pseudo.
6513 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6514 LONG_DOUBLE_TYPE_SIZE if not defined.
6515 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6516 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6518 * gengenrtl.c: Likewise.
6519 * print-rtl.c: Likewise.
6521 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6522 MASK_LONG_DOUBLE_128.
6523 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6524 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6525 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6526 (SUBTARGET_SWITCHES): Define.
6527 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6528 with -mlong-double-128.
6529 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6530 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6531 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6532 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6533 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6534 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6535 with -mlong-double-128.
6536 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6537 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6538 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6539 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6540 TARGET_LONG_DOUBLE_128): Define.
6541 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6542 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6543 long double on TARGET_ARCH64.
6545 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6547 * function.c (free_temps_for_rtl_expr): Don't free slots
6548 that have been pushed into a higher level.
6551 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6553 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6555 * basic-block.h (ALLOCA_REG_SET): Remove.
6556 (INITIALIZE_REG_SET): New macro.
6557 * flow.c (update_life_info): Use it.
6558 (calculate_global_regs_live): Likewise.
6559 (propagate_block): Likewise.
6560 * global.c (build_insn_chain): Likewise.
6561 * haifa-sched.c (schedule_region): Likewise.
6563 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6565 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6566 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6567 (DWARF_ARANGES_PAD_SIZE): New define.
6568 (output_aranges): Use it to pad the address range header.
6569 (DWARF_ROUND): Fix for non power of 2 rounding.
6571 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6573 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6575 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6577 * tree.def (RTL_EXPR): Update documentation.
6578 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6579 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6580 * function.c (preserve_rtl_expr_temp): New function.
6581 (preserve_rtl_expr_temps): Likewise.
6582 (preserve_rtl_expr_result): Use it.
6585 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6587 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
6589 * regmove.c (copy_src_to_dest) Do not create src->dest move
6590 for unchanging destination.
6592 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6594 * function.h (struct sequence_stack): Remove rtl_expr.
6595 (struct emit_staus): Likewise.
6596 (seq_rtl_expr): Remove.
6597 * tree.h (free_temps_for_rtl_expr): Don't declare.
6598 (start_sequence_for_rtl_expr): Likewise.
6599 * rtl.h (preserve_rtl_expr_result): Likewise.
6600 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
6601 (start_sequence_for_rtl_expr): Remove.
6602 (push_topmost_sequence): Don't save sequence_rtl_expr.
6603 (pop_topmost_sequence): Remove comment about not restoring it.
6604 (end_sequence): Don't set seq_rtl_expr.
6605 (init_emit): Don't initialize it.
6606 (mark_sequence_stack): Don't mark it.
6607 (mark_emit_status): Likewise.
6608 * except.c (protect_with_terminate): Use
6609 start_sequence_for_rtl_expr, not start_sequence.
6610 * expr.c (expand_expr, case RTL_EXPR): Don't call
6611 preserve_rtl_expr_result or free_temps_for_rtl_expr.
6612 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
6613 (preserve_rtl_expr_result): Remove.
6614 (free_temps_for_rtl_expr): Likewise.
6615 (pop_temp_slots): Likewise.
6616 (mark_temp_slot): Don't mark the rtl_expr.
6617 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
6618 start_sequence_for_rtl_expr.
6620 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
6622 * mkdeps.c, mkdeps.h: New files.
6623 * po/POTFILES.in: Add them.
6624 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6625 (cpplib.o, cppinit.o): Depend on mkdeps.h.
6626 (mkdeps.o): New target.
6628 * cppfiles.c: Delete deps_output.
6629 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
6630 OBJECT_SUFFIX, and base_name.
6631 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
6633 (initialize_dependency_output): Use deps_init,
6634 deps_add_target, deps_calc_target, and deps_add_dep. Remove
6635 all the unnecessary string bashing.
6636 (cpp_finish): Use deps_write. Remove an unnecessary nesting
6638 * cpplib.c (do_include): Use deps_add_dep.
6639 * cpplib.h (struct cpp_reader): Replace deps_buffer,
6640 deps_allocated_size, deps_size, deps_column members with
6641 single pointer to a struct deps. Delete prototype of
6644 * cppinit.c: Fix thinko in previous patch.
6646 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6648 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
6649 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
6650 (mode_for_size_tree): New function.
6651 (layout_decl, layout_type): Call it and clean up BLKmode checks.
6652 * tree.h (mode_for_size_tree): New declaration.
6654 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
6656 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
6658 * stmt.c (is_body_block): Move...
6659 * dwarfout.c, dwarf2out.c: ...from here.
6660 * tree.h: Declare it.
6661 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
6662 * final.c (final_start_function): Do call remove_unnecessary_notes
6665 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6667 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
6669 * cpplib.h (_dollar_ok): New macro.
6670 (is_idchar, is_idstart): Use it.
6671 (IStable): Rename to _cpp_IStable. Declare it const if
6672 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
6673 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
6674 is_space): Update for renamed IStable.
6676 * cppinit.c: Delete all references to FAKE_CONST and CAT
6677 macros. Define init_IStable as empty macro if gcc >=2.7 or
6678 C99. Change TABLE() to ISTABLE and hardcode name of table.
6679 (cpp_start_read): Don't change the IStable based on
6682 * cpphash.c (unsafe_chars): Add pfile argument. All callers
6683 changed. Handle '$' for char1 correctly.
6684 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
6686 * cppexp.c (tokentab2): Make const.
6687 (cpp_lex): Make toktab const.
6688 * cppinit.c (include_defaults_array): Make const.
6689 (initialize_standard_includes): Make default_include const.
6691 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6693 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
6694 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
6695 (gen_decl_die): Likewise.
6696 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
6697 (output_decl): Likewise.
6699 * varasm.c (make_function_rtl): If we change the name used in the
6700 rtl, update DECL_ASSEMBLER_NAME accordingly.
6701 (make_decl_rtl): Likewise.
6703 * toplev.c (rest_of_compilation): Tweak formatting.
6705 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
6706 remove_unnecessary_notes.
6707 (debug_ignore_block): New fn.
6708 * toplev.h: Declare it.
6709 * emit-rtl.c (remove_unncessary_notes): Call it.
6710 * dwarf2out.c (dwarf2out_ignore_block): New fn.
6711 * dwarf2out.h: Declare it.
6712 * final.c (final_start_function): Don't call remove_unnecessary_notes
6713 if we did insn scheduling.
6715 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6717 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
6718 * cpplib.h: Delete SET_CPP_PEDANTIC.
6720 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6722 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
6723 result is a RECORD_TYPE.
6725 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
6727 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
6729 2000-03-03 Richard Henderson <rth@cygnus.com>
6731 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
6732 addition over compliments over shifts.
6734 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6736 * reload1.c (reload_combine_note_use): Handle return register USEs.
6737 REG case: Handle multi-hard-register hard regs.
6739 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6741 * md.texi: Document use of '*' in insn pattern name.
6743 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6745 * calls.c (special_function_p): operator new may not be malloc-like.
6747 * gcse.c (dump_hash_table): Really fix error in last change.
6749 2000-03-02 Denis Chertykov <denisc@overta.ru>
6751 * avr.c (print_operand): Use print_operand_address instead of
6753 * avr/libgcc.S: Cleanup code.
6755 2000-03-02 Richard Henderson <rth@cygnus.com>
6757 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
6759 2000-03-02 Mark Mitchell <mark@codesourcery.com>
6761 * tree.h (TYPE_ALIGN_UNIT): New macro.
6763 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
6765 * i386.c: (constant_call_address_operand): Reject CONST_INT.
6767 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
6769 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
6771 (SET_CPP_PEDANTIC): New macro.
6772 * cpplib.c (do_include): Don't bother checking system_header_p.
6773 (do_warning, do_ident, do_assert, do_unassert): Likewise.
6774 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
6776 * function.h (struct expr_status): Add x_arg_space_so_far.
6777 (arg_space_so_far): New macro.
6778 * expr.c (init_expr): Initialize it.
6779 * calls.c (emit_call_1): Reset it.
6780 (compute_argument_block_size, expand_call): Use it.
6781 (expand_call, store_one_arg): Increment it.
6783 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6785 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
6788 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
6790 * cppfiles.c (cpp_read_file): New function.
6792 * cpphash.c (collect_expansion): Make sure to reset last_token
6793 to NORM when we hit a string. Handle trailing whitespace
6794 properly when the expansion is empty.
6795 (create_definition): Disable line commands while parsing the
6797 (dump_definition): If pfile->lineno == 0, output a line
6798 command ahead of the dump, and add a trailing newline.
6800 * cppinit.c (append_include_chain): Add fifth argument, which
6801 indicates whether or not system headers are C++ aware.
6802 (initialize_standard_includes): New function,
6803 broken out of read_and_prescan. Pass 'cxx_aware' value from
6804 the include_defaults_array on to append_include_chain.
6805 (dump_special_to_buffer): Const-ify char array.
6806 (builtin_array): Don't dump __BASE_FILE__.
6807 (cpp_start_read): Use cpp_read_file. Reorder code for
6808 clarity. Don't output line commands here for -D/-A/-U
6809 switches. Don't call deps_output for files included with
6810 -include or -imacros.
6812 * cpplib.c (do_define): Don't pay any attention to the second
6814 (cpp_expand_to_buffer): Disable line commands while scanning.
6815 (output_line_command): Work in the file buffer.
6816 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
6817 Fix formatting of comments. Prototype cpp_read_file.
6819 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6821 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
6822 reference the language-equivalent of sizetype.
6823 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
6824 * fold-const.c (size_binop, size_diffop): Put back checks.
6825 * gcse.c (dump_hash_table): Fix minor error in last change.
6826 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
6827 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
6830 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
6832 * calls.c (expand_call) Do not attempt to combine stack adjustments
6833 with inhibit_defer_pop set.
6835 2000-03-01 Mark Mitchell <mark@codesourcery.com>
6837 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
6838 the DECL_SIZE for a FIELD_DECL.
6840 2000-03-01 Bruce Korb <bkorb@gnu.org>
6842 * fixinc/inclhack.tpl: remove unused symlinks
6843 * fixinc/README: GCC Maintainer info
6844 * fixinc/inclhack.sh: regen
6845 * fixinc/fixincl.sh: regen
6847 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
6849 * cpphash.c (collect_expansion): Trim trailing white space
6850 from macro definitions, but don't go past the last insertion
6853 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
6855 * i386.md (mulqi3): New pattern.
6857 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
6859 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
6861 (struct cpp_reader): Add parsing_if_directive and
6862 parsing_define_directive flags.
6863 (struct cpp_options): Remove output_conditionals flag.
6864 (check_macro_name): Delete prototype.
6866 * cpphash.h (struct macrodef): Delete.
6867 (struct reflist): Separate from struct definition.
6868 (struct definition): Remove unused fields. Add column number.
6869 (create_definition): Returns a DEFINITION *. Takes a
6870 cpp_reader * and an int.
6872 * cpphash.c (SKIP_WHITE_SPACE): Delete.
6873 (PEEKC): Copy defn from cpplib.c.
6874 (rest_extension, REST_EXTENSION_LENGTH): Delete.
6876 (struct arglist): Simplify.
6877 (collect_expansion): Rewrite. Get tokens by calling
6878 cpp_get_token. Add more error checking.
6879 (collect_formal_parameters): New function, broken out of
6880 create_definition and reworked to use get_directive_token.
6881 (create_definition): All real work is now in collect_expansion
6882 and collect_formal_parameters. do_define handles finding the
6883 macro name. Return a DEFINITION, not a MACRODEF.
6884 (macroexpand): Replace bcopy with memcpy throughout. Replace
6885 character-at-a-time copy loop with memcpy and pointer increments.
6886 (compare-defs): d1->argnames / d2->argnames might be null.
6888 * cpplib.c (copy_rest_of_line): Delete function.
6889 (skip_rest_of_line): Do all the work ourselves.
6890 (skip_string): New function.
6891 (parse_string): Use skip_string.
6892 (get_macro_name): New function.
6893 (check_macro_name): Delete.
6894 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
6895 (cpp_skip_hspace): Use CPP_BUMP_LINE.
6896 (handle_directive): ICE if we're called on a macro buffer.
6897 (do_define): Determine macro name and type (funlike/objlike)
6898 here. Expunge all uses of MACRODEF.
6899 (cpp_push_buffer): Set line_base to NULL.
6900 (do_undef, read_line_number): Don't worry about getting a POP token.
6901 (eval_if_expression): Set/reset parsing_if_directive around
6902 cpp_parse_expr. Don't clear only_seen_white.
6903 (skip_if_group): Remove output_conditionals logic. Use
6905 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
6906 tokens under appropriate conditions.
6907 (cpp_unassert): Call do_unassert not do_assert. Oops.
6909 * cppexp.c (parse_defined): New function, break out of
6911 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
6912 ourselves, with cpp_defined.
6913 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
6915 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
6916 * gcc.dg/strpaste-2.c: New.
6918 2000-02-29 Mark Mitchell <mark@codesourcery.com>
6920 * fold-const.c (size_binop): Don't asert inputs are the same and
6921 have TYPE_IS_SIZETYPE set.
6922 (size_diffop): Likewise.
6924 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
6926 * dwarfout.c (output_block): Output abstract blocks even if they
6927 don't have TREE_ASM_WRITTEN set.
6929 * calls.c (emit_library_call): Check for null REG.
6931 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
6933 * c-decl.c (current_function_decl): Move to toplev.c.
6934 (init_decl_processing): Don't add current_function_decl as a ggc
6936 * dbxout.c (dbxout_symbol): Change return type to int.
6937 (dbxout_symbol_location, dbxout_syms): Likewise.
6938 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
6939 any locals. Use current_function_func_begin_label if set.
6940 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
6941 * dwarf2out.c (dwarf2out_begin_prologue): Set
6942 current_function_func_begin_label.
6943 * final.c (final_start_function): Reset it.
6944 * toplev.c (current_function_decl): Define it here.
6945 (current_function_func_begin_label): New variable.
6946 (main): Add both as ggc roots.
6947 * tree.h (current_function_func_begin_label): Declare.
6949 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6951 * gcse.c: Cleanups throughout: mostly white-space, but also
6952 some minor rearrangement of code.
6954 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
6956 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
6957 returns a PARALLEL. Use emit_group_load and use_group_regs
6959 (emit_library_call_value): Similarly.
6961 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
6962 * pa/quadlib.asm: Remove.
6963 * pa/quadlib.c: New file.
6965 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
6966 * configure: Rebuilt.
6968 2000-02-29 Philip Blundell <pb@futuretv.com>
6970 * config/arm/conix-elf.h: New file.
6971 * configure.in (arm*-*-conix*): New configuration.
6972 * configure: Regenerate.
6974 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
6976 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
6977 don't have TREE_ASM_WRITTEN set.
6979 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6981 * Eliminate DECL_FIELD_SIZE.
6982 * builtins.c (built_in_class_names, built_in_names): New variables.
6983 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
6984 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
6985 DECL_SIZE, not DECL_FIELD_SIZE.
6986 * print-tree.c (print_node): Remove code that prints extra blank
6987 lines in some cases.
6988 Properly handle inline and builtin function cases.
6989 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
6990 * tree.h (built_in_class_named, built_in_names): New declarations.
6991 (union tree_decl): Rename internal unions to u1 and u2 and change
6992 some of their components.
6993 Add new field built_in_class.
6994 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
6995 Reflect above changes.
6996 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
6997 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
6998 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
6999 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7001 2000-02-28 Dmitri Makarov <dim@windriver.com>
7003 * extend.texi: Document ARM's support for long/short calls.
7005 * invoke.texi: Document ARM's -mlong-calls command line switch.
7007 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7008 (arm_encode_call_attribute): Add prototype.
7009 (arm_set_default_type_attribute): Add prototype.
7010 (arm_strip_name_encoding): Add prototype.
7012 * config/arm/arm.c (arm_init_cumulative_args): replace
7013 initialisation og 'long_calls' field with initialisation of
7014 'call_cookie' field.
7015 (enum arm_pragma_enum): New enum.
7016 (arm_pragma_long_calls): New static variable.
7017 (arm_process_pragma): Also process "#pragma long_calls_off".
7018 (arm_valid_type_attribute_p): Accept short_call attribute.
7019 (arm_comp_type_attributes): Check long/short call attributes.
7020 (arm_encode_call_attribute): New function: Encode long_call
7021 or short_call attribute in function name.
7022 (arm_set_default_type_attributes): New function: Assign
7023 default attributes to newly defined type.
7024 (current_file_function_operand): New function: Return true if
7025 the symbol is a function which has already been compiled.
7026 (arm_is_longcall_p): New function: Return true if the
7027 indicated function should be called via a long call.
7028 (arm_get_strip_length): New function. Returns number of
7029 prefix characters to be stripped from a function's name.
7030 (arm_strip_name_encoding): New function. Strip prefix characters
7031 from a function's name.
7033 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7035 (SHORT_CALL_FAG_CHAR): Define.
7036 (LONG_CALL_FAG_CHAR): Define.
7037 (ENCODED_SHORT_CALL_ATTR_P): Define.
7038 (ENCODED_LONG_CALL_ATTR_P): Define.
7039 (ARM_NAME_ENCODING_LENGTHS): Define.
7040 (STRIP_NAME_ENCODING): Define.
7041 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7042 (ARM_ENCODE_CALL_TYPE): Define.
7043 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7044 (ARM_DECLARE_FUNCTION_SIZE): Define.
7045 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7047 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7048 if a long call is needed.
7049 (call_value): Ditto.
7050 (call_symbol): Ditto.
7052 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7053 ARM_DECLARE_FUNCTION_SIZE.
7055 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7056 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7057 (ARM_STRIP_NAME_ENCODING): Undefine.
7058 (STRIP_NAME_ENCODING): Undefine.
7059 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7060 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7061 (ASM_OUTPUT_COMMON): Ditto.
7062 (ASM_DECLARE_OBJECT_NAME): Ditto.
7064 * config/arm/pe.c (arm_dllexport_name_p): Check for
7066 (arm_dllimport_name_p): Ditto.
7067 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7068 (arm_mark_dllimport): Ditto.
7070 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7072 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7074 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7076 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7078 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7080 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7081 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7082 NO_BUILTIN_WCHAR_TYPE is not defined.
7083 (CPP_WCHAR_TYPE): Delete.
7084 * cccp.c (main): Don't change wchar_type if cplusplus.
7085 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7087 2000-02-28 Nick Clifton <nickc@cygnus.com>
7089 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7091 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7093 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7094 (ASM_WEAKEN_LABEL): Define.
7096 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7098 * expr.c (store_constructor): Do not emit USE.
7099 * rtl.h (stupid_life_analysis): Remove.
7101 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7103 * function.c (number_blocks): Reset next_block_index based on
7104 what debugging format is used, not what is defined.
7106 * lcm.c: Minor reformatting throughout.
7107 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7109 * toplev.c (rest_of_compilation): Account for time in
7110 optimize_mode_switching.
7112 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7113 if only marking labels.
7115 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7117 * calls.c (expand_call): Attempt to combine stack adjustments with
7118 pending stack adjustments.
7120 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7122 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7123 to the end of the function.
7125 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7127 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7129 * final.c (next_block_index): Remove.
7130 (max_block_depth): Likewise.
7131 (pending_blocks): Likewise.
7132 (init_final): Don't initialize them.
7133 (final_start_function): Don't set next_block_index. Set up
7135 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7136 * function.h (number_blocks): New function.
7137 * function.c (get_block_vector): New function.
7138 (identify_blocks): Use it.
7139 (reorder_blocks): Set NOTE_BLOCK.
7140 (number_blocks): New function.
7141 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7142 * tree.h (BLOCK_NUMBER): New macro.
7143 (tree_block): Add block_num field.
7144 * dbxout.c (next_block_number): Remove.
7145 (dbxout_init): Don't set it.
7146 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7147 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7149 * toplev.c (rest_of_compilation): Always call
7150 find_loop_tree_blocks. Fix indentation.
7151 * dwarf2out.c (next_block_number): Remove.
7152 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7153 to determine block numbers.
7154 (gen_inlined_subroutine_die): Likewise.
7155 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7156 (decls_for_scope): Don't increment next_block_number.
7157 * dwarfout.c (next_block_number): Remove.
7158 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7159 to determine block numbers.
7160 (output_inlined_subroutine_die): Likewise.
7161 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7162 (output_decls_for_scope): Don't increment next_block_number.
7163 * sdbout.c (next_block_number): Remove.
7164 (sdbout_block): Use BLOCK_NUMBER.
7165 (sdbout_begin_block): Simplify.
7166 * xcoffout.c (next_block_number): Remove.
7167 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7168 (xcoffout_begin_block): Don't set next_block_number.
7169 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7172 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7174 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7175 (expand_builtin_strcpy): Pass correct type to size_binop.
7176 (expand_builtin_strcmp): Likewise.
7177 Clean up conditional structure.
7178 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7179 (complete_array_type): Don't use size_binop for MAXINDEX.
7180 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7181 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7182 (c_alignof): Use size_one_node.
7183 (build_unary_op): Pass arg of proper type to size_binop.
7184 (really_start_incremental_init, push_init_level): Use sizetype for
7185 constructor{,_bit,_unfilled}_index.
7186 (pop_init_label, output_init_element): Likewise.
7187 (output_pending_init_elements, process_init_element): Likewise.
7188 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7189 * expr.c (store_expr): Use size_int.
7190 (store_constructor): Use proper types for size_binop args.
7191 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7192 (expand_expr_unaligned): Likewise.
7193 (string_contant): Return object of sizetype.
7194 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7195 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7196 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7197 * fold-const.c (int_const_binop): Refine when size_int is called.
7198 (fold_convert): Likewise.
7199 (size_int_wide): Rework to take KIND as arg, only take low order
7200 bits, handle new sizetype_tab datatype, and chain entries in
7202 (size_int_type_wide): New function.
7203 (size_binop): Validate types of arguments.
7204 (ssize_binop): Deleted.
7205 (size_diffop): New function.
7206 (extract_muldiv): Only fold division into multiplication for sizetypes.
7207 * function.c (assign_parms): Use size_diffop and make sure
7208 VAR field is of ssizetype; also pass proper type to size_binop.
7209 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7210 (round_down): Deleted from here.
7211 * store-layout.c (sizetype_tab): Now an array.
7212 (sizetype_set, early_root_list): New variables.
7213 (variable_size): Use size_one_node.
7214 (round_up): Pass proper type to size_binop.
7215 (round_down): Moved to here and corrected as above.
7216 (layout_record): Pass proper arg types to size_binop.
7217 (layout_type): Likewise.
7218 If sizetype_set is zero, record the type just laid out.
7219 (make_unsigned_type): Don't call set_sizetype;
7220 (make_signed_type): Likewise; also, call fixup_signed_type.
7221 (initialize_sizetypes): New function.
7222 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7223 set name of bitsizetype to "bit_size_type".
7224 Fix up type of sizes of all types made before call.
7225 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7226 * tree.c (fix_sizetype): Deleted.
7227 (build_common_tree_nodes): Call initialize_sizetypes.
7228 (build_common_tree_nodes_2): Don't call fix_sizetype.
7229 * tree.h (TYPE_IS_SIZETYPE): New macro.
7230 (initialize_sizetype): New declaration.
7231 (enum size_type_kind): New type.
7232 (struct sizetype_tab): Deleted.
7233 (sizetype_tab): Now array; adjust sizetype macros.
7234 (size_diffop, size_int_type_wide): New functions.
7235 (size_int_wide): Change number of args and type; access macros changed.
7236 (ssize_int, sbitsize_int): New macros.
7237 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7238 (ROUND_TYPE_SIZE_UNIT): New macro.
7240 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7242 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7244 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7246 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7247 Mark as possibly unused.
7249 * cse.c (cse_insn): Delete dead code involving tablejump.
7250 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7252 * Makefile.in (libcpp.a): Start by deleting it.
7254 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7256 * cpplib.h (enum file_change_code): Added rename_file.
7257 * cpplib.c (do_line): If a filename is given, set file_change to
7259 (output_line_command): If file_change is rename_file, always
7260 output a # directive with the file name.
7262 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7264 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7266 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7267 when copying a PARM_DECL or RESULT_DECL.
7269 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7271 * fix-header.c (recognized_function): Also fix prototypes for
7272 functions taking "void".
7274 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7276 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7277 looking at reg_reloaded_contents.
7279 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7281 * Makefile.in (STMP_FIXINC): New toggle.
7282 (LIBGCC2_DEPS): Delete all references.
7283 (stmp-headers): Delete target. All references either deleted
7284 or changed to stmp-int-headers.
7285 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7286 (LIBCPP_OBJS): Take out cppalloc.o.
7287 (cppalloc.o): Delete target.
7288 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7289 (gen-protos, fix-header): Link with libiberty.a.
7290 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7293 * configure.in: Remove refs to strerror.
7294 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7295 * system.h: Take out strerror stanza.
7297 * cpperror.c (my_strerror): Delete function.
7298 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7299 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7300 * cppalloc.c: Delete file.
7301 * gen-protos.c: Don't provide xrealloc.
7303 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7304 xstrerror throughout.
7306 2000-02-26 Bruce Korb <bkorb@gnu.org>
7308 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7309 match for DOS headers, too.
7310 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7312 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7314 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7315 is right for most ELF targets.
7316 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7317 Let the default file use %U properly.
7318 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7321 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7324 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7326 * toplev.c (documented_lang_options): Correct spelling error.
7327 (decode_d_option, decode_f_option, main): Likewise.
7329 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7331 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7332 to tell assembler it is permitted to expand large constants.
7334 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7336 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7337 (aux_info_suffix): Use.
7338 (SAVE_SUFFIX): New macro.
7340 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7341 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7342 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7344 * invoke.texi (Running Protoize): Update documentation.
7346 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7348 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7350 2000-02-25 John Wehle (john@feith.com)
7352 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7354 2000-02-25 Anthony Green <green@cygnus.com>
7356 * toplev.c (rest_of_compilation): Rebuild jump labels if
7357 combine_instructions has created a new direct jump.
7358 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7360 (combine_instructions): Call try_combine with new argument.
7361 Return non-null value when new direct jump instruction is created.
7362 * rtl.h: combine_instructions returns an int.
7364 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7366 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7367 jump when changing a computed jump into a jump to a known
7370 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7372 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7373 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7375 * i386.md (define_expand "clrstrsi"): Fix typo.
7377 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7379 * rtl.texi: Fix typo.
7381 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7383 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7384 UNITS_PER_WORD. Change caller initial_elimination_offset.
7385 (rounded_frame_size): Take into account that argument pushed has
7386 changed. Fix TARGET_ALIGN_DOUBLE problem.
7388 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7390 * haifa-sched.c (schedule_block): Explain the real reason
7391 we delete REG_SAVE_NOTEs on the first insn of a block.
7392 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7394 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7396 * input.h (push_srcloc): New function.
7397 (pop_srcloc): Likewise.
7398 * toplev.c (push_srcloc): Define it.
7399 (pop_srcloc): Likewise.
7401 2000-02-24 Richard Henderson <rth@cygnus.com>
7403 * flow.c (life_analysis): When collecting reg info, clear
7406 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7408 Fix bug exposed by reload.c no longer rounding the frame
7409 size to BIGGEST_ALIGNMENT:
7410 * sh.c (rounded_frame_size): New function.
7411 (sh_expand_prologue, sh_expand_epilogue): Use it.
7412 (initial_elimination_offset): Likewise.
7414 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7416 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7417 * sh-protos.h (sh_need_epilogue): Declare.
7418 * sh.c (sh_need_epilogue_known): New static variable.
7419 (sh_need_epilogue): New function.
7420 (function_epilogue): Clear need_epilogue_known.
7421 * sh.md (return): Split into expander / insn pattern.
7422 Make the expander conditional on ! sh_need_epilogue ().
7424 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7426 * machmode.h (get_mode_alignment): Declare.
7427 (GET_MODE_ALIGNMENT): Call it.
7428 * stor-layout.c (get_mode_alignment): New function. Make
7429 sure alignment is always power of 2.
7431 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7433 * i386.h: Remove useless definition of "I386" and misleading
7436 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7438 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7439 under which TREE_PERMANENT will be set.
7440 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7441 build1): Use TREE_SET_PERMANENT.
7442 * print-tree.c (print_node): Don't report value of
7443 TREE_PERMANENT if ggc_p is true.
7445 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7446 decide whether to give a type a new alias set.
7447 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7448 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7449 of value of 'obstack'.
7452 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7454 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7456 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7458 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7459 * cpplib.c (cpp_get_token): Produce them.
7460 * cppexp.c (cpp_lex): Handle them.
7462 2000-02-23 Nick Clifton <nickc@cygnus.com>
7464 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7465 comment tests on type attributes.
7467 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7469 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7470 conform to documentation.
7471 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7472 to check for special cases.
7473 * sh-protos.h (sh_loop_align): Declare.
7474 * sh.c (sh_loop_align): Define.
7476 2000-02-22 Andrew Haley <aph@cygnus.com>
7478 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7479 (SIZE_TYPE): Is 32 bits when using -mgp32.
7480 (PTRDIFF_TYPE): Ditto.
7482 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7484 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7486 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7488 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7489 BIGGEST_FIELD_ALIGNMENT a constant.
7491 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7493 * dwarf2out.c (output_line_info): Put the marker for the end of
7494 the line number info at the actual end.
7495 (gen_struct_or_union_type_die): Use decl_function_context
7496 to check for local classes.
7497 * dwarfout.c (output_type): Likewise.
7499 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7501 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7502 for arguments with a mode, but no type.
7503 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7504 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7505 * pa/long_double.h: New file.
7506 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7507 both have 128bit wide long doubles.
7508 * configure: Rebuilt.
7510 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7512 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7514 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7515 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7516 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7518 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7520 * integrate.c (compare_blocks, find_block): Likewise.
7522 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7524 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7526 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7527 expand_asm_operands): Likewise.
7529 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7531 * predict.c (estimate_probability): Added the pointer heuristic to
7532 the collection of static branch predictors.
7534 2000-02-21 Catherine Moore <clm@cygnus.com>
7536 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7537 * invoke.texi (-mfix7000): Document.
7539 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7541 * diagnostic.c (init_output_buffer): Make it possible to output at
7542 least 32 characters if we're given a too long prefix.
7544 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7546 * varasm.c (initializer_constant_valid_p): Call
7547 lang_expand_constant to simplify the constant.
7549 2000-02-20 Bruce Korb <bkorb@gnu.org>
7551 * fixinc/inclhack.def(stdio_va_list):
7552 typedef needs to be disabled.
7553 * fixinc/inclhack.sh: regen
7554 * fixinc/fixincl.x: regen
7556 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7558 * print-rtl.c (print_rtx): Don't print addresses when
7559 flag_dump_unnumbered.
7561 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7563 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7565 (sparc_va_arg, sparc_flat_output_function_prologue,
7566 sparc_flat_output_function_epilogue): Cast value to unsigned in
7568 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7570 * sparc.md: Add default case in switch.
7572 2000-02-19 Richard Henderson <rth@cygnus.com>
7574 * c-typeck.c (add_pending_init): Don't abort for multiple
7575 fields at the same offset.
7576 (pending_init_member): Test the correct member.
7578 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7580 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7582 (start_catch_handler) : Same.
7584 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7586 * Makefile.in: Have flow.o depend on $(EXPR_H)
7588 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7590 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
7591 * c-decl.c (duplicate_decls, finish_enum): Likewise.
7592 (finish_decl): Remove -Wlarger-than code from here.
7593 * flags.h (id_clash_len): Now int.
7594 (larger_than_size): Now HOST_WIDE_INT.
7595 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
7596 Clean up checking to see if in table.
7597 (make_bit_field_ref): Remove extra parm to bitsize_int.
7598 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
7599 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
7600 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
7601 and for computing size of decl.
7602 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
7603 Move -Wlarger-than code to here.
7604 (layout_record): Remove extra arg to bitsize_int.
7605 Set TYPE_BINFO_SIZE_UNIT.
7606 (layout_union): Remove extra arg to bitsize_int.
7607 Use proper type for size of QUAL_UNION.
7608 (layout_type): Remove extra arg to bitsize_int.
7609 * toplev.c (id_clash_len): Now int.
7610 (larger_than_size): Now HOST_WIDE_INT.
7611 (decode_W_option): Clean up id-clash and larger-than- cases.
7612 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
7613 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
7614 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
7615 (struct tree_decl): New field size_unit.
7616 (size_int_wide): No HIGH operand; NUMBER is now signed.
7617 (size_int_2): Deleted.
7618 (size_int, bitsize_int): Don't use it and rework args.
7619 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
7621 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
7623 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
7625 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7627 * invoke.texi (Warning Options): Add an explanation of why
7628 you might want the -Wfloat-equal flag.
7630 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7632 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
7633 * cppinit.c (new_pending_define): Add cast to avoid warning.
7634 * expmed.c (extract_bit_field): Likewise.
7635 * flow.c (enum reorder_skip_type): New type.
7636 (skip_insns_between_blcok): New it.
7637 Rework to avoid warning about possibly undefined variable.
7638 * function.c (assign_parms): Make thisparm_boundary unsigned.
7639 * genrecog.c (write_switch): Cast XWINT result to int.
7640 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
7641 * mips-tfile.c (init_file): Make two versions of FDR intializer:
7642 one for MIPS and one for Alpha.
7643 (get_tag, copy_object): Add casts to avoid warnings.
7644 * optabs.c (init_one_libfunc): Cast NAME to (char *).
7645 * reload.c (find_reloads): Make TYPE enum reload_type.
7646 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
7647 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
7648 * varasm.c (compare_constant_1): Add cast to avoid warning.
7649 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
7651 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
7652 Cast switch operand of size to int.
7653 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
7654 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
7657 2000-02-18 Nick Clifton <nickc@cygnus.com>
7659 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
7660 anything for an alignment of zero.
7662 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
7663 anything for an alignment of zero.
7665 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
7667 * gcc.texi (Bug Reporting): Refer to bugs.html.
7668 (Bug Lists): Likewise.
7669 * system.h (GCCBUGURL): New preprocessor define.
7670 * rtl.c (fancy_abort): Use it.
7671 * gcc.c (main): Likewise.
7673 2000-02-18 Richard Henderson <rth@cygnus.com>
7675 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
7676 (life_analysis_1): Subsume into ...
7677 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
7678 Use update_life_info for the relaxation.
7679 (update_life_info): Update REG_BASIC_BLOCK for registers live on
7680 entry and regs_live_at_setjmp.
7681 (set_noop_p): Simplify.
7682 (notice_stack_pointer_modification_1): Renamed from s/_1//.
7683 (record_volatile_insns): Split into ...
7684 (delete_noop_moves): ... here,
7685 (notice_stack_pointer_modification): ... here,
7686 (insn_dead_p): ... and here.
7687 (propagate_block): Don't query INSN_VOLATILE.
7688 (mark_used_regs): Mind !PROP_REG_INFO.
7689 * toplev.c (rest_of_compilation): Call mark_constant_function here,
7690 not in life_analysis.
7692 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
7694 * loop.c (canonicalize_condition): New function,
7695 broken out of get_condition.
7696 (get_condition): Use it.
7697 * expr.h (canonicalize_condition): Prototype it.
7699 * tree.h (tree_int_cst_msb): Declare.
7700 * tree.c (tree_int_cst_msb): New function.
7702 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7704 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
7707 * invoke.texi (-fmessage-length=n): Document.
7709 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
7711 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
7713 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7715 * function.c (thread_prologue_and_epilogue_insns): Put a line note
7718 2000-02-17 Nick Clifton <nickc@cygnus.com>
7720 * config/arm/thumb.c: Replace includes of system headers with
7721 #include "system.h".
7723 2000-02-16 Richard Henderson <rth@cygnus.com>
7725 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
7726 Add crtbeginS.o and crtendS.o.
7727 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
7728 (ENDFILE_SPEC): Use crtendS.o.
7729 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
7731 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
7732 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
7734 (__dso_handle): New variable.
7735 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
7736 bias to __CTOR_END__.
7738 2000-02-16 Richard Henderson <rth@cygnus.com>
7740 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
7742 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
7744 * longlong.h (__clz_tab): Declare as static to match definition.
7746 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
7747 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
7748 (XREF_FILE_NAME): Define.
7750 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
7751 (EH_FRAME_SECTION_ASM_OP): Define.
7752 (IDENT_ASM_OP): Define.
7753 (TEXT_SECTION_ASM_OP): Define.
7755 (CTORS_SECTION_ASM_OP): Define.
7756 (CTOR_SECTION_FUNCTION): Use it.
7757 (DTORS_SECTION_ASM_OP): Define.
7758 (DTOR_SECTION_FUNCTION): Use it.
7760 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
7762 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
7765 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
7766 debug_bb_n): New functions.
7767 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
7768 * basic-block.h: Prototype new functions.
7770 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
7772 * configure.in: Add support for avr target.
7773 * configure: Rebuilt.
7775 * invoke.texi: Add AVR invocation docs.
7776 * install.texi: Add information about AVR.
7777 * md.texi: Add AVR constraint letters description.
7778 * extend.texi: Add description for AVR specific attributes.
7780 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
7782 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
7784 2000-02-16 Nick Clifton <nickc@cygnus.com>
7786 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
7787 (make_insn_raw): Move RTL check here.
7789 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7791 * version.c: Include gansidecl.h and version.h.
7793 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
7795 * configure.in (gcc_version): When setting, narrow search to
7796 lines containing `version_string'.
7798 * Makefile.in (mainversion): Likewise.
7799 (GCC_H): New variable.
7800 (gcc.h): Delete target.
7801 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
7802 (version.o): Depend on version.h.
7803 (dbxout.o): Don't depend on gcc.h.
7805 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
7806 Michael Meissner <meissner@cygnus.com>
7808 * md.texi (Simple Constraints): Add item about whitespace.
7809 * genoutput.c (strip_whitespace): New.
7810 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
7811 strip_whitespace for constraints.
7812 Test pointer using NULL, not 0.
7814 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7816 * cpplib.c (do_line): Pedwarn for #line > 32767.
7818 * c-lex.c (readescape): Warn about '\x', but do not reject it.
7820 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
7822 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
7823 to default cpp spec.
7824 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
7825 * cpp.texi: Document __GNUC_PATCHLEVEL__.
7828 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
7831 2000-02-15 Denis Chertykov <denisc@overta.ru>
7833 * configure.in: Add support for avr target.
7835 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7837 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
7838 (sh_addr_diff_vec_mode): Don't declare.
7839 * sh.c (sh_addr_diff_vec_mode): Delete.
7841 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7843 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
7845 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7847 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
7848 (smulsi3_highpart_i): Name.
7849 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
7850 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
7851 (smulsi3_highpart, umulsi3_highpart): Likewise.
7853 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
7854 correctly independent of endianness.
7855 (mulsidi3, umulsidi3): Now define_insn. Hide details that
7856 confuse the optimizers.
7857 (mulsidi3+1, umulsidi3+1): New define_split.
7859 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
7861 * config/sh/sh.md: Guard insn splits against illegal registers.
7862 * config/sh/sh.h: Correct comment about macros.
7864 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7865 Andrew MacLeod <amacleod@cygnus.com>
7867 * Makefile.in (lcm.o): Depend on insn-attr.h.
7868 * basic-block.h (optimize_mode_switching): Declare.
7869 * lcm.c (tm_p.h, insn-attr.h): #include.
7870 (seginfo, bb_info): New structs.
7871 (antic, transp, comp, delete, insert) : New file-scope static variables.
7872 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
7873 (reg_becomes_live, optimize_mode_switching): Likewise.
7874 * tm.texi: Add description of mode switching macros.
7875 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
7877 * sh-protos.h (remove_dead_before_cse): Remove prototype.
7878 (fldi_ok, fpscr_set_from_mem): New prototypes.
7879 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
7880 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
7881 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
7882 (sh_flag_remove_dead_before_cse): Remove declaration.
7883 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
7884 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
7885 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
7886 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
7887 (barrier_align): Allow for JUMP_INSNS containing a parallel.
7888 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
7889 (fldi_ok): New function.
7890 (get_fpscr_rtx): Add fpscr_rtx as GC root.
7891 (emit_sf_insn): Only generate fpu switches when optimize < 1.
7892 (emit_df_insn): Likewise.
7893 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
7894 (sh_flag_remove_dead_before_cse): Delete.
7895 (get_free_reg, fpscr_set_from_mem): New functions.
7896 * sh.md (movdf, movsf): Remove no_new_pseudos code.
7897 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
7899 2000-02-15 Loren Rittle <ljrittle@acm.org>
7901 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
7903 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7905 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
7906 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
7908 * cccp.c: Include version.h and/or don't declare `version_string'.
7909 * collect2.c: Likewise.
7910 * alpha.c: Likewise.
7911 * arm/aof.h: Likewise.
7912 * arm/coff.h: Likewise.
7913 * arm/elf.h: Likewise.
7914 * arm/pe.h: Likewise.
7915 * arm/tcoff.h: Likewise.
7916 * arm/telf.h: Likewise.
7917 * arm/tpe.h: Likewise.
7918 * arm/vxarm.h: Likewise.
7919 * convex/convex.c: Likewise.
7920 * i386/dgux.c: Likewise.
7921 * i386/sun386.h: Likewise.
7922 * m88k/m88k.c: Likewise.
7923 * mcore/mcore-pe.h: Likewise.
7924 * mips/mips.h: Likewise.
7925 * romp/romp.h: Likewise.
7926 * sh/sh.c: Likewise.
7927 * cpphash.c: Likewise.
7928 * cppinit.c: Likewise.
7929 * dwarf2out.c: Likewise.
7930 * dwarfout.c: Likewise.
7933 * mips-tfile.c: Likewise.
7934 * protoize.c: Likewise.
7935 * toplev.c: Likewise.
7938 * version.c (version_string): Constify a char*.
7940 * version.h: New file.
7942 2000-02-14 Nick Clifton <nickc@cygnus.com>
7944 * configure.in: Add mcore-elf and mcore-pe targets.
7945 * configure: Regenerate.
7947 * NEWS: Add note that MCore port has been contributed.
7949 * invoke.texi: Document command line switches for MCore port.
7950 * install.texi: Add MCore to list of supported targets.
7952 2000-02-14 Geoff Keating <geoffk@cygnus.com>
7954 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
7955 then we will need to import the frame handling functions.
7956 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
7957 to import the frames themselves.
7959 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
7960 Jason Eckhardt <jle@cygnus.com>
7962 * basic_block.h: Added prototype for reorder_basic_blocks.
7963 * toplev.c: Changes to add -freorder-blocks and graph dump after
7964 block reordering is done.
7965 * flow.c (reorder_block_def): New structure for use during block
7967 (REORDER_BLOCK_*): New macros to access members of above structure.
7968 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
7969 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
7970 functions for block reordering.
7972 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
7974 * gcc.texi (Passes): Fix typo.
7975 * md.texi (Standard Names): Ditto.
7976 * tm.texi (Storage Layout): Ditto.
7978 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
7980 * cpplib.c (do_define): Only free the old definition if it
7983 2000-02-13 Neil Booth <NeilB@earthling.net>
7985 * cppfiles.c (read_and_prescan): When emitting deferred
7986 newlines, test speccase[] again instead of checking each
7987 possible whitespace character in turn. When we encounter \r,
7988 look behind for \n first, then ahead.
7990 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
7992 * cse.c (cse_altered): New internal flag.
7993 (cse_insn): Set it if we changed an insn.
7994 (cse_main): Clear cse_altered before each basic block.
7995 Only garbage collect if cse_altered is true afterward.
7997 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7999 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8001 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8003 * combine.c (simplify_comparison): Fix typo.
8005 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8007 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8010 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8012 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8013 previously inserted node instead of root node. Caller changed.
8015 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8017 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8019 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8021 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8022 __dereg_frame_dtor): Add prototype argument.
8024 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8026 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8028 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8030 * gthr-vxworks.h (__gthread_once): Likewise.
8032 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8034 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8036 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8037 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8038 stack pointer in functions w/o saved registers, output LEAVE more often
8039 on TARGET_USE_LEAVE machines.
8041 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8043 * config/arm/arm.c (arm_init_cumulative_args); New function:
8044 Initlaise the CUMULATIE_ARGS strcuture for a function
8046 (arm_function_arg): New function: Determine where to place a
8047 function's argument. Also handles deciding the function's
8049 (current_file_function_operand): New function: Return true if
8050 the symbol is a function which has already been compiled.
8051 (arm_is_long_call_p): New function: Return true if the
8052 indicated function should be called via a long call.
8053 (arm_valid_type_attribute_p): New function: Return true if the
8054 attribute is a valid, arm specific, attribute.
8055 (arm_comp_type_attribute): New function: Return true if the
8056 two types have compatable, arm specific, attributes.
8058 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8060 (FUNCTION_ARG): Redefine to call arm_function_arg.
8061 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8063 (INIT_CUMULATIVE_ARGS): Redefine to call
8064 arm_init_cumulative_args.
8065 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8067 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8069 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8071 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8072 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8073 (COMP_TYPE_ATTRIBUTES): Define.
8075 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8076 if a long call is needed.
8077 (call_value): Call arm_is_long_call_p to decide if a long call
8079 (call_symbol): Call arm_is_long_call_p to decide if a long call
8082 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8084 2000-02-11 Denis Chertykov <denisc@overta.ru>
8086 * README.AVR: New file with information about the avr ports.
8087 * config/avr: New directory with avr port files.
8089 2000-02-11 Andreas Jaeger <aj@suse.de>
8091 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8093 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8095 * cpphash.c: Fix formatting, update commentary.
8096 (dump_definition): Take three separate arguments instead of a
8097 MACRODEF structure argument.
8098 * cpphash.h: Update prototype of dump_definition.
8099 * cppinit.c (cpp_finish): Update call of dump_definition.
8101 * cpplib.c (do_define): Always create new hash entry with
8102 T_MACRO type. Remove redundant check for redefinition of
8103 poisoned identifier. Update call of dump_definition.
8104 (do_undef): Don't call check_macro_name. Rename sym_length to
8106 (do_error, do_warning): Don't use copy_rest_of_line or
8108 (do_warning): Don't use pedwarn for the actual warning,
8109 only the notice about its not being in the standard. (Fixes
8110 bug with #warning in system headers.)
8111 (do_ident): Stricter argument checking - accept only a single
8112 string after #ident. Also, macro-expand the line.
8113 (do_xifdef): Use cpp_defined. De-obfuscate.
8115 (do_pragma): Split out specific pragma handling to separate
8116 functions. Use get_directive_token. Update commentary. Do
8117 not pass on #pragma once or #pragma poison to the front end.
8118 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8119 do_pragma_default): New.
8121 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8123 * jump.c (jump_optimize_1): The first operand in a relational
8125 * optabs.c (emit_conditional_move): Handle relationals which
8126 have a known true/false result.
8128 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8130 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8131 a RETURN insn into a block which already ends with a jump.
8133 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8135 * haifa-sched.c (BUF_LEN): Increase a lot.
8137 2000-02-11 Nick Clifton <nickc@cygnus.com>
8139 * configure.in: Add tm_p_file specification for thumb targets.
8140 * configure: Regenerate.
8142 * config/arm/thumb-protos.h: New file: Prototypes for exported
8143 functions defined in thumb.c.
8145 2000-02-11 Robert Lipe <robertl@sco.com>
8147 * Makefile.in (bootstrap-lean): Remove additional files.
8148 (bootstrap2-lean): Likewise.
8149 (VOL_FILES): List of files for above.
8151 2000-02-11 Nathan Sidwell <nathan@acm.org>
8153 * cpphash.c (special_symbol): Remove spurious argument to
8156 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8158 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8160 * configure: Rebuilt.
8162 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8164 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8166 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8168 * pa.c, pa.h: Remove trigraph sequences within comments.
8170 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8172 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8174 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8176 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8178 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8180 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8182 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8184 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8185 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8186 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8187 (ASM_FILE_END): Use c4x_file_end.
8188 * config/c4x/c4x.c (c4x_global_label): New function.
8189 (c4x_external_ref, c4x_file_end): Likewise.
8191 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8192 (c4x_external_ref, c4x_end_file): Likewise.
8194 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8196 * cppexp.c: Don't include cpphash.h.
8197 (parse_charconst, cpp_lex): Use cpp_defined.
8198 (cpp_lex): Use get_directive_token throughout. Remove
8199 unnecessary cases from switch. Move assertion-handling code
8201 (cpp_parse_expr): If we see '+' or '-', check the context to
8202 determine if they are unary or binary operators. Streamline
8203 the jumps a bit. Do not call skip_rest_of_line.
8205 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8206 static. Export get_directive_token. Update commentary.
8207 (cpp_defined): New function.
8208 (do_define): Remove reference to T_PCSTRING. Call
8209 free_definition to release memory for old definition, when
8211 (eval_if_expression): Set only_seen_white to 0 before calling
8212 cpp_parse_expr. Call skip_rest_of_line after it returns.
8213 (cpp_read_check_assertion): Don't preserve a pointer into the
8214 token buffer across a call to cpp_get_token.
8216 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8217 * cppfiles.c (redundant_include_p): Use cpp_defined.
8218 * cpphash.c (free_definition): New function.
8219 (delete_macro): Use it. Update commentary.
8220 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8222 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8223 from enum node_type. Prototype cpp_defined and get_directive_token.
8224 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8226 * fix-header.c (check_macro_names): Use cpp_defined.
8227 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8228 the options structure.
8230 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8232 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8234 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8236 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8237 rather than die->die_tag.
8239 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8241 * combine.c (make_extraction, force_to_mode): Avoid warning on
8242 mixed-signedness conditionals.
8243 (make_field_assignment, nonzero_bits): Likewise.
8244 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8245 (store_split_bit_field, extract_split_bit_field): Likewise.
8246 (extract_fixed_bit_field, store_bit_field,
8247 * expr.c: Change alignment to be unsigned everywhere.
8248 (move_by_pieces, store_constructor_field, store_constructor):
8249 Alignment parm is unsigned.
8250 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8251 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8252 (do_compare_rtx_and_jump): Likewise.
8253 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8254 Compare align with GET_MODE_ALIGNMENT.
8255 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8256 (get_inner_reference): Likewise.
8257 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8258 (expand_assignment): Local vars for alignment now unsigned.
8259 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8260 (do_compare_and_jump): Likewise.
8261 (store_field): Call new function expr_align.
8262 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8263 Alignment arg now unsigned.
8264 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8265 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8266 (extract_bit_field): Likewise.
8267 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8268 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8269 (get_best_mode): Alignment arg is unsigned.
8270 * rtl.h (move_by_pieces): Likewise.
8271 * store-layout.c (maximum_field_alignment, set_alignment):
8273 (layout_decl): Alignment arg is now unsigned.
8274 Remove unneeded casts.
8275 (layout_record, layout_union, layout_type): Remove unneeded casts.
8276 Local alignment variables now unsigned.
8277 (get_best_mode): Alignment arg now unsigned.
8278 * tree.c (expr_align): New function.
8279 * tree.h (expr_align): Likewise.
8280 (maximum_field_alignment, set_alignment): Now unsigned.
8281 (get_inner_reference): Alignment argument is now pointer to unsigned.
8282 * varasm.c (assemble_variable): Add cast to eliminate warning.
8284 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8286 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8287 then store directly into op0.
8289 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8290 the CALL_INSN, and emit the note immediately after it.
8292 2000-02-10 Nick Clifton <nickc@cygnus.com>
8294 * config/arm/thumb.md (epilogue): Include a (return) in the
8295 generated insn, and emit it using emit_jump_insn not
8298 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8300 * function.c (assign_temp): Change zero-sized arrays to size 1.
8301 * integrate.c (expand_inline_function): Do not update
8302 stack_alignment_needed
8303 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8304 add some sanity checking, remove optimization for function with
8307 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8309 * flow.c (mark_regs_live_at_end): Delete unused variables.
8311 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8313 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8314 in macro FRAME_GROWS_DOWNWARD.
8316 * stmt.c (expand_end_bindings): Delete unused variable.
8318 * unroll.c (iteration_info): Mark parameter `loop' with
8321 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8323 * fixinc/server.c (load_data): Return NULL if the marker line is
8325 (run_shell): If load_data returns NULL, retry the command once, in
8328 * configure: Rebuilt.
8330 2000-02-09 Bruce Korb <bkorb@gnu.org>
8332 * gcc/fixincludes: ** DELETED **
8333 * gcc/fixcpp: ** DELETED **
8334 * gcc/fixinc-nt.sed: ** DELETED **
8335 * gcc/just-fixinc: ** DELETED **
8336 * gcc/Makefile.in: Removed out-dated commentary
8337 * gcc/configure.in: Removed fast-fixincludes disablement.
8338 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8340 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8341 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8344 2000-02-09 Richard Henderson <rth@cygnus.com>
8346 * jump.c (delete_insn): Don't delete user labels at -O0.
8348 2000-02-09 Robert Lipe <robertl@sco.com>
8350 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8351 Don't link with HOST_LIBS.
8353 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8355 * configure.in: Correct --help text for --with-dwarf2.
8356 Put tm-dwarf2.h after other tm files, if it's requested.
8357 * configure: Regenerate.
8358 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8361 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8363 * cpplib.h: Provide HASHNODE typedef and forward decl of
8364 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8365 DEFINITION, struct hashnode, struct macrodef, struct
8366 definition, scan_decls prototype, default defn of
8367 INCLUDE_LEN_FUDGE moved elsewhere.
8369 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8370 definition, and struct hashnode moved here. Remove the unused
8371 'predefined' field from struct definition. Replace the 'args'
8372 union with its sole member. All users updated (cpphash.c).
8373 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8374 multiple include guard.
8376 * cpphash.c (hashf): Make static; use better algorithm; drop
8377 HASHSIZE parameter; return an unsigned int.
8378 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8379 used. Calculate HASHSIZE modulus here.
8380 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8382 (create_definition): Drop PREDEFINITION parameter.
8383 * cpplib.c (do_define): Don't calculate a hash value here.
8384 Don't pass (keyword == NULL) to create_definition.
8386 * scan.h: Prototype scan_decls here.
8387 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8388 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8389 callers of cpp_lookup and cpp_install updated.
8391 * cpphash.c (macarg): Hoist all the flag diddling out of the
8393 (macroexpand): ... and out of the loop that calls macarg.
8394 Skip over the initial paren before macro arguments with
8395 cpp_get_non_space_token; point may be some distance before
8396 that paren. Abort if it's not there.
8398 * cpplib.c (parse_clear_mark): Delete function.
8399 (parse_set_mark, parse_goto_mark): Make static.
8400 (ACTIVE_MARK_P): New macro.
8401 (skip_block_comment, skip_line_comment): Do not bump the line
8402 if ACTIVE_MARK_P is true.
8403 (cpp_pop_buffer): The buffer to be popped may not have an
8405 (cpp_get_token): When looking for the initial paren before
8406 macro arguments, only set a mark in a file buffer, Always
8407 return to that mark before proceeding to call macroexpand or
8408 return a NAME token.
8410 * cpplib.h: Remove prototypes of parse_set_mark,
8411 parse_clear_mark, parse_goto_mark.
8412 (struct cpp_options): Rename 'put_out_comments' to
8413 'discard_comments' and invert its sense.
8414 * cppinit.c, cpphash.c, cpplib.c: All users of
8415 put_out_comments changed to use discard_comments, with
8418 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8420 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8421 the edge from a block that both jumps and falls through to the
8424 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8426 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8427 constant source address is legitimate.
8429 2000-02-09 Philip Blundell <pb@futuretv.com>
8431 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8434 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8436 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8438 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8440 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8441 ends with a newline and a NUL. Don't be so clever manipulating
8444 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8446 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8447 not to BIGGEST_ALIGNMENT.
8449 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8451 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8452 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8453 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8454 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8455 * frame.c (execute_cfa_insn): Handle
8456 DW_CFA_GNU_negative_offset_extended.
8458 2000-02-08 Richard Henderson <rth@cygnus.com>
8460 * flow.c (tidy_fallthru_edges): Split out from ...
8461 (delete_unreachable_blocks): ... here.
8462 (find_basic_blocks): Use it.
8464 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8466 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8468 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8470 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8471 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8472 (fix-header.o): Don't depend on cpphash.h.
8474 * scan.c (hashstr): New function.
8475 * scan.h: Prototype it.
8476 * fix-header.c: Don't include cpphash.h. Use hashstr.
8477 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8478 hashstr. Report hash table statistics. Add private
8479 definition of xrealloc.
8481 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8483 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8485 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8487 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8488 jumps with returns unless they are jumps to the fallthru block.
8490 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8492 * i386.md (addqi3_cc): Fix contraints.
8494 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8496 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8498 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8500 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8501 carriage return after a macro name.
8503 2000-02-07 Fred Fish <fnf@be.com>
8505 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8506 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8508 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8510 * cppfiles.c (deps_output): Count spacers in deps_column.
8512 2000-02-07 Neil Booth <NeilB@earthling.net>
8514 * cppinit.c (initialize_dependency_output): If there is no
8515 suffix, don't try to look for known suffixes. Use strrchr.
8516 (cpp_start_read): Remove duplicate initialization.
8518 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8520 * calls.c (compute_argument_block_size): New argument
8521 preferred_stack_boundary.
8522 (expand_call): update cfun->preferred_stack_boundary, update call of
8523 compute_argument_block_size
8524 (emit_library_call): Increate cfun->preferred_stack_boundary
8525 to PREFERRED_STACK_BOUNDARY
8526 (emit_library_call_value): Likewise.
8527 * explow.c (allocate_dynamic_stack_spave): Likewise.
8528 * function.c (prepare_function_start): Set
8529 cfun->preferred_stack_boundary
8530 * function.h (struct function): Add preferred_stack_boundary field.
8531 * integrate.c (expand_inline_function): Update
8532 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8533 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8534 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8536 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8538 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8539 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8540 cpp_pedwarn, cpp_pedwarn_with_line,
8541 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8542 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8543 v_cpp_error_with_line, v_cpp_warning_with_line,
8544 cpp_message_from_errno, cpp_perror_with_name): Delete.
8546 * cpperror.c (cpp_print_containing_files): Take starting
8548 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8549 (v_cpp_message): Now called directly by all entry points.
8551 (cpp_pfatal_with_name, cpp_message): Delete.
8552 (cpp_notice_from_errno, cpp_ice): New functions.
8553 (cpp_notice): Is now for reporting error conditions, just
8554 without an associated file.
8555 (cpp_error, cpp_error_with_line): Don't do anything if
8556 opts->inhibit_errors is on.
8557 (cpp_pedwarn_with_file_and_line): Take column argument also.
8559 * cpplib.h: Update prototypes of exported functions.
8560 (struct cpp_options): Add inhibit_errors.
8562 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8563 non-error messages. Include intl.h.
8565 * cppinit.c, cppmain.c: Likewise. Also, use
8566 cpp_notice_from_errno instead of cpp_perror_with_name or
8567 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8569 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8570 report internal errors.
8572 * cpplib.c (do_define): Switch bcopy to memcpy.
8573 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8575 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8576 bail out early if we hit a line comment.
8578 2000-02-06 Richard Henderson <rth@cygnus.com>
8580 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8581 * basic-block.h: Declare them.
8582 * emit-rtl.h (active_insn_p): New.
8583 (next_active_insn, prev_active_insn): Use it.
8584 * rtl.h: Declare it.
8585 * function.c (emit_return_into_block): New.
8586 (thread_prologue_and_epilogue_insns): Insert return insns instead
8587 of epilogues when possible.
8588 * jump.c (jump_optimize_1): Remove code to insert a return insn
8589 on the fallthru to the exit block.
8591 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
8592 and for non-empty stack frames.
8593 * i386.md (return): Expand to return-pop as needed.
8595 2000-02-06 Richard Henderson <rth@cygnus.com>
8597 * simplify-rtx.c (simplify_relational_operation): Canonicalize
8598 constant to op1 for testing.
8600 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8602 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
8603 (fixuns_truncqfqi2): Use it.
8605 2000-02-06 Richard Henderson <rth@cygnus.com>
8607 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
8610 * i386.md (widening and peepholes): Mask the constant instead of
8613 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8615 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
8616 input pointer before possibly branching off to the backslash
8618 * cpphash.c (macroexpand): Correctly delete \r escapes when
8619 stringifying parameters.
8620 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
8621 if we can; bail out early if we hit a line comment.
8622 (handle_directive): Treat '# 123' in an .S file just like
8623 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
8624 Return 1 for '# not_a_directive'.
8625 (get_directive_token): Pop macro buffers here, so that
8626 cpp_get_token can't sneakily move past a newline.
8628 (cpp_get_token): goto randomchar if handle_directive returns 0.
8630 * cppalloc.c: Update copyright.
8631 * cpplib.c: Merge all the static function prototypes into one
8633 * cpplib.h: Remove #if 0 block.
8635 * cpperror.c: Remove #ifdef EMACS block.
8636 * cppmain.c: Likewise.
8637 * cpphash.c: Remove #if 0 blocks.
8638 * cppinit.c: Remove #if 0 blocks, and the -lint option.
8639 * cpplib.c: Remove #if 0 blocks and code referencing
8640 pcp_inside_if or for_lint. Remove duplicate error message.
8641 Fix error messages for #else after #else or #elif. Reformat.
8642 Remove archaic TODO list.
8643 * cpplib.h: Remove pcp_inside_if and for_lint flags.
8645 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8647 * i386/osf1elf.h: Add missing backslash to multiline string.
8649 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8651 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
8653 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8655 * Makefile.in (c-common.o): Depend on $(EXPR_H).
8657 * c-common.c: Include expr.h.
8659 * c-pragma.c (mark_align_stack): Add prototype.
8661 * caller-save.c (add_stored_regs): Likewise.
8663 * combine.c (record_promoted_value): Likewise.
8665 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
8668 * cppinit.c (new_pending_define): Likewise.
8670 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
8672 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
8673 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8674 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
8675 class_scope_p): Likewise.
8677 * dwarf2out.h (dwarf2out_set_demangle_name_func,
8678 dwarf2out_add_library_unit_info): Likewise.
8680 * ggc.h (ggc_page_print_statistics): Likewise.
8682 * haifa-sched.c (propagate_deps): Likewise.
8684 * reg-stack.c (next_flags_user, record_label_references): Likewise.
8686 * rtl.h (set_stack_check_libfunc): Likewise.
8688 * toplev.h (set_fatal_function): Likewise.
8690 * toplev.c (set_fatal_function): Delete prototype.
8692 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
8694 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8696 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
8697 (FUNC_END): Likewise.
8699 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8701 * caller-save.c: Include tm_p.h.
8703 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8705 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
8707 2000-02-04 Neil Booth <NeilB@earthling.net>
8709 * cccp.c (main): Check 'dir' for a NULL pointer before passing
8712 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
8714 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
8715 * genflags.c: Use the max_operand_1 logic from genemit.c to
8716 calculate how many arguments gen_insn prototypes have. Remove
8717 NO_MD_PROTOTYPES ifdefs from the generated file.
8718 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
8719 file. Cast gen_insn initializers to insn_gen_fn.
8720 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
8721 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
8723 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8725 * fixinc/Makefile.in (HDR): Add machname.h.
8728 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8730 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
8731 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
8732 (c4x_cpu_version): Ditto.
8733 * config/c4x/c4x-protos.h: ... here.
8735 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
8737 * dwarf2out.c (add_abstract_origin_attribute): Don't call
8738 gen_abstract_function on our context if we're a nested function.
8740 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8742 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
8743 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
8745 2000-02-04 Bruce Korb <bkorb@gnu.org>
8747 * fixinc/genfixes(machname.h):
8748 Move the functionality from gen-machine.h into this file.
8749 UNdef MN_NAME_PAT if there are no names to change.
8750 Also, be a little kinder when AutoGen is not present.
8752 * fixinc/Makefile.in(machname.h):
8753 Change the generation rule to use genfixes.
8755 * fixinc/fixfixes.c(machine_name):
8756 machine_name_fix's functionality now dependent upon whether
8757 MN_NAME_PAT is defined.
8759 * fixinc/fixtests.c(machine_name):
8762 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
8765 * fixinc/fixlib.h(mn_get_regexps):
8768 * fixinc/gen-machine.h: DELETED
8770 2000-02-04 Jan Hubicka <jh@suse.cz>
8771 Richard Henderson <rth@cygnus.com>
8773 * i386.c (SAVE_REGS_FIRST): Remove.
8774 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
8775 (ix86_compute_frame_size): Likewise.
8776 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
8777 (ix86_emit_restore_regs): Remove.
8778 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
8779 when a frame pointer is in use.
8780 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
8781 instead of pop to restore a register when profitable; emit leave
8783 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
8785 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
8786 * i386.md (prologue_allocate_stack): Remove.
8787 (epilogue_deallocate_stack): Remove.
8788 (pro_epilogue_adjust_stack): New.
8790 2000-02-04 Richard Henderson <rth@cygnus.com>
8792 * function.c (diddle_return_value): Rework to use a callback function.
8793 Use current_function_return_rtx if it's been set up.
8794 (do_clobber_return_reg, clobber_return_register): New.
8795 (do_use_return_reg, use_return_register): New.
8796 (expand_function_end): Use them.
8797 * stmt.c (expand_null_return): Likewise.
8798 * function.h: Declare them.
8799 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
8800 (mark_reg): Change arguments as appropriate for callback.
8801 * integrate.c (expand_inline_function): Revert 19 Jan change.
8803 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
8805 * tm.texi (Values in Registers): Fix typo: "fo" "for".
8806 (Misc): Say the scheduler, not the Haifa scheduler.
8808 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
8810 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
8811 when in_mem is set. Update all callers.
8813 2000-02-04 Richard Henderson <rth@cygnus.com>
8815 * i386/openbsd.h (INT_ASM_OP): Define.
8817 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
8819 * tm.texi: Fix various typos.
8821 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
8823 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
8824 (MD_STARTFILE_PREFIX_1): New macro.
8826 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
8828 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
8829 destination when needed.
8830 (strmovsi, strsetsi): New expander.
8831 (strmovsi_1, strsetsi_1): New pattern.
8832 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
8833 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
8834 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
8835 * invoke.texi (align-stringops, inline-all-stringops): Document.
8837 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
8839 * i386/netbsd.h (INT_ASM_OP): Define.
8841 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
8843 * cpplib.h (cpp_reader): Add new flag, no_directives.
8844 * cpphash.c (macarg): Set it.
8845 * cpplib.c (handle_directive): If no_directives is on and we
8846 find a directive, issue an error and discard the line.
8848 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
8850 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
8851 FP constants. Add ! TARGET_FPU check for FP constants.
8853 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
8855 * flow.c (find_basic_blocks): Don't kill label_value_list
8857 (cleanup_cfg): Kill it here.
8859 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8861 * expr.c (store_field): Ensure ALIGN is no stricter than the
8864 2000-02-02 Richard Henderson <rth@cygnus.com>
8866 * jump.c (delete_insn): Partially revert 19 Jan change;
8867 don't convert unused code labels to notes at -O0.
8869 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8871 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
8872 split_all_insns to recreate REG_LABEL notes for flow2 pass.
8874 2000-02-01 Richard Henderson <rth@cygnus.com>
8876 * i386.c (general_no_elim_operand): New.
8877 (nonmemory_no_elim_operand): New.
8878 (ix86_expand_move): Copy eliminable operands before a push.
8879 * i386-protos.h: Declare new functions.
8880 * i386.h (CAN_ELIMINATE): Simplify.
8881 (PREDICATE_CODES): Update.
8882 * i386.md (push insns): Don't allow eliminable register operands.
8884 2000-02-01 Richard Henderson <rth@cygnus.com>
8886 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
8887 replace BLKmode with DECL_RTL's mode.
8889 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
8891 * frame.c (find_fde): Convert for loop to do-while so compiler
8892 sees it's always executed at least once.
8893 * libgcc2.c (BBINBUFSIZE): Kill.
8894 (__bb_init_prg): Use fgets.
8895 (__bb_exit_trace_func): Don't paste strings.
8896 * unroll.c (unroll_loop): Initialize unroll_type, not
8897 unroll_number, and tweak logic to match.
8899 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
8901 (ix86_flags_dependant): Likewise. Disentangle control flow.
8902 (ix86_sched_reorder): Break guts out to
8903 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
8904 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
8907 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
8908 use string concatenation. Don't save and restore esi.
8910 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
8911 (machname.h): Remove script to separate file. Use two-step
8912 sequence so target is not created if script fails.
8913 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
8914 identifiers are defined.
8915 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
8916 an empty string, machine_name doesn't need to do anything at
8918 (is_cxx_header): Add more cases to regexp.
8919 * fixinc/fixlib.h: Update prototype.
8920 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
8922 * fixinc/fixincl.c: Define NO_BOGOSITY.
8924 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
8925 (hp_sysfile): Add missing comma.
8926 (math_exception): Put the wrapper ifdefs at the beginning and
8927 the end of the file.
8928 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
8930 2000-02-01 Richard Henderson <rth@cygnus.com>
8932 * sparc.c (fp_zero_operand): Turn into a normal predicate.
8933 Use CONST0_RTX. Update all callers.
8934 * sparc.h, sparc-protos.h: Update accordingly.
8935 * sparc.md (fp mov insns): Use fp_zero_operand directly
8938 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8940 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
8943 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8945 * Makefile.in (specs.ready): New target.
8946 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
8948 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8950 * fixinc.irix: Use unique filenames for writing into /tmp,
8951 * fixinc.ptx: Likewise.
8952 * fixinc.sco: Likewise.
8953 * fixinc.svr4: Likewise.
8954 * fixinc.winnt: Likewise.
8956 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8958 * tsystem.h: New file.
8960 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
8961 s-crtS): Depend on tsystem.h.
8963 * crtstuff.c: Include tsystem.h.
8964 * frame.c: Likewise.
8965 * libgcc2.c: Likewise.
8967 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
8969 * builtins.c (expand_builtin_memset): Expand for variable sized
8972 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
8974 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
8977 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
8979 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
8981 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
8983 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
8985 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
8986 case 3->2 combining (combining with splitting) in which 2 is CC0
8987 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
8988 checked at the begining of the function with the aid of calling
8989 function 'can_combine_p'.
8991 2000-01-31 Dave Brolley <brolley@redhat.com>
8993 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
8995 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
8997 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9000 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9002 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9004 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9007 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9009 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9010 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9011 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9012 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9013 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9014 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9015 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9016 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9017 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9018 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9020 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9021 Add %(cpp_cpu) to CPP_SPEC.
9023 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9024 Add %(cc1_cpu) to CC1_SPEC.
9026 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9028 * c-decl.c (c_decode_option): Accept optional numeric argument to
9029 -Wformat and set warn_format.
9030 * c-common.c: Don't emit warning about non-constant printf format
9031 string unless warn_format > 1.
9033 2000-01-30 Richard Henderson <rth@cygnus.com>
9035 * alpha.md (return_internal): Allow after reload only.
9037 2000-01-30 Richard Henderson <rth@cygnus.com>
9039 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9040 local frame size is zero.
9042 2000-01-30 Richard Henderson <rth@cygnus.com>
9044 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9045 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9046 * alpha.md (return): Turn into an expander.
9047 (return_internal): Don't use $26.
9048 (epilogue): Emit the return insn.
9050 2000-01-30 Richard Henderson <rth@cygnus.com>
9052 * alpha.md (negtf2, abstf2): Fix word order thinko.
9054 (trunctfsf2): Avoid intermediate rounding errors.
9056 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9058 * cppfiles.c (find_position): Drop 'colp' argument, return the
9060 (read_and_prescan): Adjust to match. Don't ever manipulate
9061 line or line_base except via find_position.
9063 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9065 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9066 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9069 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9071 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9072 just print "<command line>". If 'filename' is null or an
9073 empty string, print "<stdin>" for the filename.
9074 * cpplib.c (do_define): Don't print the 'location of the
9075 previous definition' message if we're still parsing the
9077 (cpp_pedwarn_with_file_and_line): Always call
9078 cpp_file_line_for_message.
9080 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9082 * flow.c (mark_regs_live_at_end): Fix typo.
9084 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9086 * c-common.c: Adjust variable names, comments, help strings to c99.
9087 * c-lex.c: Likewise.
9088 * c-parse.y: Likewise.
9089 * c-tree.h: Likewise.
9091 * cpplib.h: Likewise.
9092 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9093 * cppinit.c: Likewise.
9095 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9097 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9098 * c4x.c: Define the optab rtx values.
9099 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9100 (c4x_emit_libcall): Use new optab rtx values.
9101 (c4x_emit_libcall3): Likewise.
9102 (c4x_emit_libcall_mulhi): Likewise.
9103 * c4x-protos.h: Add prototypes for optab rtx values and change
9104 prototypes for above c4x_emit_libcall functions.
9106 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9108 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9110 (c4x_function_prologue): Use regnames intead of float_reg_names when
9112 (c4x_function_epilogue): Likewise.
9113 (c4x_print_operand): Likewise.
9114 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9115 * c4x.md (set_high): Disable for TARGET_TI.
9117 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9119 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9120 of framepointer + constant to ADDR_REGS class.
9121 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9122 * c4x.c (std_or_reg_operand): New function.
9123 * c4x-protos.h (std_or_reg_operand): Prototype it.
9125 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9127 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9128 object names as libgcc2.c.
9129 * libgcc.S: Use newly defined names.
9131 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9132 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9134 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9135 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9136 (FLOW_LOOP_LAST_BLOCK): Likewise.
9138 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9140 * basic-block.h (struct loop): New fields 'first' and 'last'.
9141 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9142 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9143 and loop->last to check for NOTE_INSN_LOOP_END.
9145 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9147 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9148 of the loop descriptor rather than HEADER and LATCH. Also added
9149 missing break statements as well making some coding style modifications
9150 as suggested by Michael Hayes.
9152 2000-01-28 Richard Henderson <rth@cygnus.com>
9154 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9155 Break out that code ...
9156 (cleanup_cfg): ... here.
9157 (commit_one_edge_insertion): Detect a return instruction being
9158 emitted to an edge. Emit a barrier following; clear fallthru.
9159 (commit_edge_insertions): Verify CFG consistency.
9160 * function.c (expand_function_start): Kill unused variable.
9161 (expand_function_end): Likewise.
9162 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9163 to insert the epilogue.
9165 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9166 (delete_null_pointer_checks): Likewise.
9167 * output.h: Likewise.
9168 * reg-stack.c (reg_to_stack): Likewise.
9169 * toplev.c (rest_of_compilation): Likewise. Run
9170 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9172 2000-01-28 Richard Henderson <rth@cygnus.com>
9174 * Makefile.in (flow.o): Revert 24 Jan change.
9175 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9176 FUNCTION_VALUE result to DECL_RESULT's mode.
9178 * haifa-sched.c (schedule_insns): Don't recompute reg info
9181 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9183 * configure.in: Make --enable-cpplib the default.
9184 * configure: Regenerate.
9185 * gcc.dg/990119-1.c: No longer expected to fail.
9187 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9189 * jump.c (jump_optimize_1): Delete an optimization that is also done
9190 by merge_blocks in flow.
9192 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9194 * diagnostic.c (build_message_string, output_printf,
9195 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9196 (build_location_prefix): Fix non-literal format string.
9198 2000-01-27 Richard Henderson <rth@cygnus.com>
9200 * alpha.md (trunctfsf2): New.
9202 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9204 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9206 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9208 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9210 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9212 (skip_comment) ... here. Permit C++ comments in system
9213 headers always. Warn about C++ comments in user code under
9214 -std=gnu89 -pedantic.
9215 (copy_comment): Use skip_comment.
9216 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9218 (consider_directive_while_skipping, do_else, do_endif): Call
9219 validate_else unconditionally.
9220 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9221 text after the conditional in a system header.
9222 * cpplib.h (struct cpp_buffer): Add flag
9223 warned_cplusplus_comments.
9225 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9227 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9228 Use unshare_all_rtl_1.
9229 (unshare_all_rtl_again): New function.
9230 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9232 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9233 rather than resetting the 'used' flags ourself.
9235 * toplev.c (rest_of_compilation): Add current_function_decl
9236 to the unshare_all_rtl call.
9237 * tree.h: Prototype unshare_all_rtl.
9238 * rtl.h: Prototype unshare_all_rtl_again here.
9240 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9242 * genoutput.c (output_prologue): Include ggc.h in generated
9244 * Makefile.in (insn-output.o): Depends on ggc.h.
9246 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9247 Hans-Peter Nilsson <hp@bitrange.com>
9249 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9250 Remove redundant include of xm-ns32k.h.
9251 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9252 Remove redundant include of xm-ns32k.h.
9253 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9254 Remove redundant include of xm-ns32k.h.
9255 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9257 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9258 (TARGET_SWITCHES): Add documentation strings.
9259 (DWARF_FRAME_REGNUM): Override default definition.
9260 (REG_CLASS_CONTENTS): Add comments.
9261 (SUBSET_P): Format to reduce line length.
9262 (SMALL_REGISTER_CLASSES): Make a run time option.
9263 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9264 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9265 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9266 (regclass_map): fix typo in comment.
9267 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9268 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9269 (trace, reg_or_mem_operand): Delete, unused function.
9270 (calc_address_cost): Small offsets are cheaper than large ones.
9271 (expand_block_move): Generate more efficient code when bytes is a
9272 known at compile time.
9273 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9274 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9275 instead of reg_or_mem_operand.
9277 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9278 not general_operand. Similarly use "=rm" or stricter, not "=g".
9279 For input operands, use stricter constraints than "g" if not
9280 general_operand. Similarly use stricter predicate than
9281 "general_operand" when stricter constraints than "g" are present,
9282 except for matching constraints.
9283 (movstrsi): Use "memory_operand" for operands 0 and 1.
9284 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9285 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9286 not reg_or_mem_operand.
9287 (udivmoddisi4): Ditto.
9288 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9289 Use nonimmediate_operand for operand 3, not register_operand.
9290 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9293 2000-01-27 Fred Fish <fnf@be.com>
9295 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9296 * gthr-single.h: Likewise.
9297 * gthr-solaris.h: Likewise.
9298 * gthr-vxworks.h: Likewise.
9299 * gthr-win32.h: Likewise.
9302 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9304 * cppinit.c: Add " (cpplib)" to end of string printed by
9307 2000-01-27 Richard Henderson <rth@cygnus.com>
9309 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9310 testing for a signed comparison.
9311 (alpha_emit_floatuns): New.
9312 * alpha-protos.h: Declare it.
9313 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9314 (extendsfdf2): Tidy.
9316 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9318 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9319 no -g option specifying debugging format, default to -gstabs+.
9321 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9323 * calls.c (special_function_p): New argument fork_or_exec.
9324 (expand_call): When profile_arc_flag is set and the function
9325 is in the fork_or_exec group, call __bb_fork_func first.
9326 * libgcc2.c, _bb module (__bb_fork_func): New function.
9327 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9329 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9330 * tree.h (special_function_p): Update prototype.
9332 2000-01-26 Richard Henderson <rth@cygnus.com>
9334 * alpha.c (alpha_split_tfmode_pair): New.
9335 * alpha-protos.h: Declare it.
9336 * alpha.md (abstf2, negtf2): New.
9337 (movtf insn): Add input G constraint.
9338 (movtf splitter): Use alpha_split_tfmode_pair.
9340 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9342 * i386/cygwin.h: PROTO -> PARAMS.
9344 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9346 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9347 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9348 using _Qp_cmp/_Q_cmp and testing the return value.
9349 (print_operand): Call reverse_condition_maybe_unordered if
9350 we are handling CCFPmode or CCFPEmode.
9351 Handle ORDERED, UN* and LTGT comparisons.
9352 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9353 if not TARGET_HARD_QUAD.
9354 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9355 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9356 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9357 Adjust gen_b* calls so that they reflect return comparison of
9358 sparc_emit_float_lib_cmp.
9360 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9362 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9363 incoming operands array is large enough for one more operand.
9364 (alpha_emit_xfloating_arith): Likewise.
9366 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9368 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9369 file with one line and no trailing newline.
9370 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9371 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9372 checking if the match is on the line.
9373 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9375 2000-01-25 Richard Henderson <rth@cygnus.com>
9377 * sparc.c (output_cbranch): Fix accidental squashing of the
9378 fp branch pre-delay nop.
9380 2000-01-25 Richard Henderson <rth@cygnus.com>
9382 * tree.def (UNNE_EXPR): Remove.
9383 * c-typeck.c (build_binary_op): Don't handle it.
9384 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9386 * rtl.def (UNNE): Remove.
9388 * jump.c (reverse_condition): Update accordingly.
9389 (swap_condition): Likewise.
9390 (comparison_dominates_p): Handle unordered comparisons.
9391 (reverse_condition_maybe_unordered): New.
9392 * rtl.h (reverse_condition_maybe_unordered): Declare.
9394 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9395 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9396 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9397 * sparc.md (bltgt): New.
9399 2000-01-25 Nick Clifton <nickc@redhat.com>
9401 * emit-rtl.c (emit_insn): Only check machine class insns for
9402 improper emission of a RETURN.
9404 2000-01-25 Richard Henderson <rth@cygnus.com>
9406 * Makefile.in (flow.o): Depend on $(EXPR_H).
9407 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9408 duplicate the structure of diddle_return_value for keeping regs live.
9410 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9412 * loop.c (current_loop_info): Delete.
9413 (consec_sets_invariant_p): Add loop argument, update callers.
9414 (get_condition_for_loop): Likewise.
9415 (count_nonfixed_reads, update_giv_derive): Likewise.
9416 (simplify_giv_expr, general_induction_var): Likewise.
9417 (consec_sets_giv, recombine_givs): Likewise.
9418 (move_movables): Delete loop_start and loop_end arguments,
9419 add loop argument, and update callers.
9420 (find_mem_givs, check_final_value): Likewise.
9421 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9422 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9424 (basic_induction_var): Add loop argument, delete loop_level argument,
9426 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9427 add loop argument, and update callers.
9428 (find_splittable_regs, find_splittable_givs): Likewise.
9429 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9430 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9431 (biv_total_increment): Delete loop_start and loop_end arguments;
9433 (precondition_loop_p): Delete loop_start and loop_info arguments;
9435 * loop.h (get_condition_for_loop): Add loop argument.
9436 (biv_total_increment): Delete loop_start and loop_end arguments.
9437 (precondition_loop_p): Delete loop_start and loop_info arguments;
9439 (final_biv_value): Delete loop_start and loop_end arguments;
9441 (final_giv_value, back_branch_in_range_p): Likewise.
9443 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9445 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9447 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9449 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9450 point to the new "generated_files" doc.
9452 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9454 * config/fp-bit.c (_unord_f2): Fix typo.
9456 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9458 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9459 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9460 functions obsoleted by GC, such as push_obstacks_nochange,
9461 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9462 and code which existed only to decide whether or not to call
9463 them. Remove now-unused NESTED argument from start_function;
9464 all callers changed. Do not change behavior based on ggc_p.
9465 The use of the ixp_obstack in c-iterate.c and the util_obstack
9466 in objc/objc-act.c remain; these are not obsoleted by garbage
9468 * c-tree.h: Update prototype for start_function.
9470 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9472 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9474 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9477 2000-01-25 Richard Henderson <rth@cygnus.com>
9479 * sparc-protos.h (select_cc_mode): Declare.
9480 * sparc.c (select_cc_mode): New. Handle unordered compares.
9481 (output_cbranch): Always reverse via code change. Handle
9482 unordered compares. Factor tests and string updates.
9483 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9484 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9485 * sparc.md (bunordered, bordered): New.
9486 (bungt, bunlt, buneq, bunge, bunle): New.
9488 2000-01-25 Richard Henderson <rth@cygnus.com>
9490 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9491 * ggc-common.c (ggc_add_rtx_varray_root): New.
9492 (ggc_mark_rtx_varray): New.
9493 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9494 functions down below ggc_mark_foo.
9495 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9497 2000-01-25 Richard Henderson <rth@cygnus.com>
9499 * alpha.c (secondary_reload_class): Don't allocate a secondary
9500 for integral mode memories into FLOAT_REGS. Rearrange the more
9501 complicated memory expression inward.
9503 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9505 * inclhack.def: Fixes to play nicer with FreeBSD, and
9506 corrections to comments.
9507 (cxx_unready): Add select expression.
9508 (irix_sockaddr): Add bypass expression.
9509 (machine_ansi_h_va_list): New fix.
9510 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9511 Split out addition of "#include <stdarg.h>" to...
9512 (stdio_stdarg_h): ... here.
9513 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9514 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9515 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9517 (ultrix_ifdef): Tighten up select expression.
9519 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9520 re_ct and max_mach to avoid use of shell. Make printed names
9521 match names in inclhack.def. Use static copyright date.
9522 Don't count c_test and test expressions as requiring regex_t
9523 slots. Add some commentary.
9524 * inclhack.tpl: Do not include the 'This script contains N
9525 fixup scripts' line if PROGRAM is defined. Use static
9528 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9530 * dwarf2out.c: include "varray.h", not dyn-string.h.
9531 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9532 (addr_const_to_string, addr_to_string): Lose.
9533 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9534 (struct dw_val_struct): val_addr is now an rtx.
9535 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9536 (used_rtx_varray): New varray.
9537 (dwarf2out_init): Initialize it.
9539 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9541 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9542 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9543 * Makefile.in (dwarf2out.o): Update dependencies.
9545 2000-01-24 Richard Henderson <rth@cygnus.com>
9547 * i386.c (i386_dwarf_output_addr_const): New.
9548 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9550 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9552 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9553 * i386.c (i386_simplify_dwarf_addr): New.
9554 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9556 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9558 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9559 TYPE_STUB_DECL is NULL.
9561 2000-01-24 Richard Henderson <rth@cygnus.com>
9563 * builtins.c (expand_tree_builtin): Move ...
9564 * c-common.c (expand_tree_builtin): ... here.
9566 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9568 * loop.h (LOOP_INFO): New accessor macro.
9569 * basic-block.h (struct loop): Rename field `info' to `aux'.
9570 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9571 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9572 * unroll.c (loop_iterations, unroll_loop): Likewise.
9574 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9576 * config/i386/t-cygwin: Accomodate new winsup directory layout
9577 when searching for include files.
9579 2000-01-24 Richard Henderson <rth@cygnus.com>
9581 * rtl.def: Add unordered fp comparisions.
9582 * tree.def: Likewise.
9583 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9585 * builtins.c (expand_tree_builtin): New function.
9586 * c-typeck.c (build_function_call): Use it.
9587 (build_binary_op): Support unordered compares.
9588 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
9590 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
9591 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
9592 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
9593 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
9594 * jump.c (reverse_condition): Don't abort for UNLE etc, but
9596 (swap_condition): Handle unordered compares.
9597 (thread_jumps): Check can_reverse before reversing.
9598 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
9601 * optabs.c (can_compare_p): New argument CODE. Verify branch or
9602 setcc is present before acking for cmp_optab. Update all callers.
9603 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
9604 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
9605 * expr.c (expand_expr): Likewise. Support unordered compares.
9606 (do_jump, do_store_flag): Likewise.
9607 * expr.h (enum libfunc_index): Add unordered compares.
9609 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
9610 (DPBIT_FUNCS): Add _unord_df.
9611 * config/fp-bit.c (_unord_f2): New.
9612 * fp-test.c (main): Try unordered compare builtins.
9614 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
9615 * alpha.c (alpha_comparison_operator): Check mode properly.
9616 (alpha_swapped_comparison_operator): Likewise.
9617 (signed_comparison_operator): Likewise.
9618 (alpha_fp_comparison_operator): New.
9619 (alpha_emit_conditional_branch): Handle unordered compares.
9620 * alpha.h (PREDICATE_CODES): Update.
9621 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
9622 (bunordered, bordered): New.
9624 2000-01-24 Richard Henderson <rth@cygnus.com>
9626 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
9627 * alpha.md (movtf): New expander, insn, and splitter.
9629 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
9631 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9634 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
9636 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
9637 (FIXED_REGISTERS, CALL_USED_REGISTERS,
9638 REG_ALLOC_ORDER): Add frame pointer
9639 (FRAME_POINTER_REGNUM): Set to 20
9640 (HARD_FRAME_POINTER_REGNUM): New macro.
9641 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
9642 to HARD_FRAME_POINTER.
9643 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
9644 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
9645 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
9646 (HI_REGISTER_NAMES): Add "frame".
9647 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
9648 (debug_reg): Handle FRAME_POINTER_REGNUM.
9649 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
9650 GENERAL_REGS and INDEX_REGS.
9651 * i386.c (SAVED_REGS_FIRST): new macro.
9652 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
9653 (ix86_decompose_address, memory_address_length): Likewise.
9654 (regclass_map): Add frame pointer.
9655 (call_insn_operand): Handle frame_pointer_rtx.
9656 (reg_no_sp_operand): Likewise.
9657 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
9658 (print_operand, legitimize_pic_address): Fix formating.
9659 (ix86_compute_frame_size): Make static, update prototype, new
9660 parameters padding1, padding2, use ix86_nsaved_regs, use
9661 stack_alignment_needed.
9662 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
9663 to HARD_FRAME_POINTER_REGNUM conversions.
9664 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
9665 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
9666 (print_reg): Abort on FRAME_POINTER_REGNUM
9668 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
9670 * i386.h (PREDICATE_CODES): Add aligned_operand.
9671 * i386.c (aligned_operand): New function.
9672 (ix86_aligned_p): Kill.
9673 * i386.md (movhi_1): Emit mov for aligned operands.
9674 (promoting peep2s): Use aligned_operand.
9676 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
9678 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
9679 expression to allow underscores in macro names.
9680 (fix_char_macro_defines): Increment scanning pointer.
9682 2000-01-23 Richard Henderson <rth@cygnus.com>
9684 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
9685 * alpha/osf5.h: New file.
9686 * configure.in (alpha-*-osf5): Add it to tm_file.
9688 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
9690 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
9691 (alpha_emit_xfloating_cvt, function_arg): Declare.
9692 * alpha.c (alpha_emit_conditional_branch): Call
9693 alpha_emit_xfloating_compare for TFmode compares.
9694 (alpha_lookup_xfloating_lib_func): New.
9695 (alpha_compute_xfloating_mode_arg): New.
9696 (alpha_emit_xfloating_libcall): New.
9697 (alpha_emit_xfloating_arith): New.
9698 (alpha_emit_xfloating_compare): New.
9699 (alpha_emit_xfloating_cvt): New.
9700 (print_operand): Add default abort case.
9701 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
9702 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
9703 (BIGGEST_ALIGNMENT): Increase to 128 bits.
9704 (RETURN_IN_MEMORY): True for TF/TCmode.
9705 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
9706 (FUNCTION_ARG): Move to function_arg.
9707 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
9708 (ASM_OUTPUT_LONG_DOUBLE): New.
9709 (ASM_OUTPUT_DOUBLE): Always output bits.
9710 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
9711 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
9712 (extenddftf2, trunctfdf2): New.
9714 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9716 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
9717 * config/sparc/sol2.h: ... here.
9719 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9721 * basic-block.h (struct loops): New field `levels'.
9722 * flow.c (flow_loops_level_compute): Traverse all outer loops.
9723 (flow_loop_level_compute): Initialise level to 1.
9724 (flow_loops_find): Set loops->levels.
9725 (flow_loops_dump): Print loops->levels.
9727 2000-01-23 Richard Henderson <rth@cygnus.com>
9729 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
9730 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
9732 2000-01-23 Richard Henderson <rth@cygnus.com>
9734 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
9735 * i386.h (DBX_REGISTER_NUMBER): Use them.
9736 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
9737 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
9738 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
9739 * i386/sequent.h: Kill incorrect comment.
9741 2000-01-23 Mark Mitchell <mark@codesourcery.com>
9743 * ggc-page.c (struct page_entry): Make `context_depth' an
9745 (struct globals): Likewise.
9747 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
9749 * loop.c (check_dbra_loop): When checking a loop for
9750 reversability, check the source of any stores to ensure
9751 they don't depend on an initial value.
9753 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9755 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
9757 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
9759 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
9760 'pz_scan' into scope of entire function. Only affects
9761 compiles with -DDEBUG.
9763 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
9765 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
9766 section naming to that prior to 2000-01-07 patch.
9767 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
9768 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
9769 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
9770 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
9771 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
9773 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
9775 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
9778 2000-01-21 Jim Wilson <wilson@cygnus.com>
9780 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
9781 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
9783 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9785 * cpphash.c (change_newlines): Delete function.
9786 (struct argdata): Delete 'newlines' and 'use_count' fields.
9787 (macroexpand): Remove code referencing those fields.
9789 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9791 * loop.c (loops_info): New variable.
9792 (loop_optimize): Allocate loops->array and free it on exit.
9793 Allocate memory for loops_info and assign to each loop,
9795 (find_and_verify_loops): Do not allocate loops->array.
9797 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9799 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
9801 2000-01-21 Jakub Jelinek <jakub@redhat.com>
9803 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
9804 pseudos if expanded after first flow.
9805 (movdi_pic_label_ref): Likewise.
9807 2000-01-20 Richard Henderson <rth@cygnus.com>
9809 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
9811 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
9813 * Makefile.in (fixinc.sh): Depend on specs.
9814 * fixinc/Makefile.in: Add rule to create machname.h.
9815 (fixlib.o): Depend on machname.h.
9816 * fixinc/fixtests.c (machine_name): New test.
9817 * fixinc/fixfixes.c (machine_name): New fix.
9818 * fixinc/fixlib.c (mn_get_regexps): New helper function for
9819 the machine_name test and fix.
9820 * fixinc/fixlib.h: Prototype it.
9821 * fixinc/inclhack.def (machine_name): Use the C test and fix.
9822 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
9824 * gcc.c (do_spec_1) [case P]: Take care not to create
9825 identifiers with three leading or trailing underscores.
9827 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
9828 (fixincl): Don't specify libraries twice on link line.
9829 (gnu-regex.o): Remove special rule.
9830 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
9831 defined by config.h. Do not define _REGEX_RE_COMP.
9832 (regcomp): Allocate and initialize a fastmap.
9833 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
9835 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
9837 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
9839 2000-01-19 Richard Henderson <rth@cygnus.com>
9841 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
9842 arguments with BB. Update all callers. Tidy line wrapping.
9844 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
9846 * emit-rtl.c (try_split): Return last_insn if we split the
9849 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
9851 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
9852 (ix86_initial_elimination_offset): Declare.
9853 * i386.c (ix86_nsaved_regs): Break out from ...
9854 (ix86_can_use_return_insn_p): ... here.
9855 (ix86_emit_save_regs): Break out from ...
9856 (ix86_expand_prologue): ... here.
9857 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
9859 (ix86_expand_epilogue): ... here.
9860 (ix86_compute_frame_size): Make static, add prototype.
9861 (ix86_initial_elimination_offset): Break out from ...
9862 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
9864 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9866 * recog.h (OUT_FCN): Delete.
9868 * vax.md: Call `get_insn_template' instead of OUT_FCN.
9870 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9872 * cppalloc.c: PROTO -> PARAMS.
9873 * cpperror.c: Likewise.
9874 * cppfiles.c: Likewise.
9875 * cpplib.c: Likewise.
9876 * cpplib.h: Likewise.
9878 * config/arm/arm-protos.h: PROTO -> PARAMS.
9879 * config/arm/arm.c: Likewise.
9880 * config/c4x/c4x.c: Likewise.
9881 * config/fr30/fr30-protos.h: Likewise.
9882 * config/nextstep.c: Likewise.
9883 * config/pa/pa.c: Likewise.
9884 * config/pj/pj.c: Likewise.
9885 * config/rs6000/rs6000.c: Likewise.
9886 * config/v850/v850-protos.h: Likewise.
9887 * config/v850/v850.c: Likewise.
9889 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9891 * i370-protos.h: New file.
9893 * i370.c: Include tm_p.h. Fix compile time warnings.
9895 * i370.h: Move prototypes to i370-protos.h. Fix compile time
9898 * i370.md: Likewise.
9900 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9902 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
9903 (target_isinf, target_isnan, eisnan): Mark parameter with
9905 (eiisinf): Wrap in INFINITY.
9906 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
9907 (ibmtoe): Remove unused variable `rndsav'.
9909 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9911 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
9912 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
9914 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
9916 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
9917 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
9918 (fix_char_macro_defines, fix_char_macro_uses): New functions.
9920 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
9921 Recognize Emacs mode markers also.
9922 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
9923 C++ comments in C++ headers. Call is_cxx_header only if
9926 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
9928 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
9929 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
9930 ... these, which use the new C fixes.
9931 (math_exception): Escape literal '+' in bypass expression.
9933 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
9936 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9938 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
9941 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9943 * loop.c (loop_optimize): Allocate loop_info structure for each loop
9944 prior to calling scan_loop.
9946 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9948 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
9949 (split_branches, calc_live_regs): Likewise.
9951 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9953 * sh.md (fpu_single, fp_mode): New attributes.
9955 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9957 * loop.c (current_loop_info): Renamed from loop_info_data
9958 and changed to a pointer.
9959 (loop_optimize): Allocate loop_info structure for each loop
9960 and initialise to zero.
9961 (scan_loop): Set current_loop_info.
9963 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
9966 2000-01-19 Richard Henderson <rth@cygnus.com>
9968 * stupid.c: Die die die.
9969 * Makefile.in (OBJS): Remove stupid.o.
9970 (stupid.o): Likewise.
9972 * except.c (emit_eh_context): Don't emit USEs for stupid.
9973 * explow.c (probe_stack_range): Likewise.
9974 * flags.h (obey_regdecls): Remove.
9975 * flow.c (find_basic_blocks): Don't run try_merge_blocks
9976 when not optimizing.
9977 (life_analysis): Limit data collection when not optimizing.
9978 (mark_regs_live_at_end): Always mark the return value registers.
9979 (mark_used_regs): Remove dummy RETURN case.
9980 (print_rtl_with_bb): Don't consult obey_regdecls.
9981 * function.c (use_variable, use_variable_after): Remove.
9982 (assign_parms): Consult optimize not obey_regdecls.
9983 (expand_function_start): Don't emit USEs for stupid.
9984 (expand_function_end): Likewise.
9985 * global.c (build_insn_chain): Export.
9986 * integrate.c (expand_inline_function): Kill return-value USE
9988 * jump.c (jump_optimize_1): Do simple jump optimizations and
9989 dead code elimination.
9990 (calculate_can_reach_end): Remove check_deleted argument.
9991 (delete_insn): Patch out insns even when not optimizing.
9992 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
9993 * rtl.h (use_variable, use_variable_after): Remove declarations.
9994 (build_insn_chain): Declare.
9995 * stmt.c (expand_value_return): Don't emit USEs for stupid.
9996 (expand_end_bindings): Likewise.
9997 (expand_decl): Likewise. Consult optimize not obey_regdecls.
9998 * toplev.c (obey_regdecls): Remove.
9999 (rest_of_compilation): Don't set it. Kill stupid in favour of
10000 flow1, local-alloc, and reload.
10001 (main): Don't set obey_regdecls.
10003 * config/nextstep.c (handle_pragma): Likewise.
10005 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10007 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10009 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10011 * alpha-protos.h: PROTO -> PARAMS.
10012 * alpha.c: Likewise.
10014 * h8300.c: Likewise.
10015 * i386-protos.h: Likewise.
10016 * i386.c: Likewise.
10017 * m32r-protos.h: Likewise.
10018 * m32r.c: Likewise.
10019 * mips.c: Likewise.
10020 * mips.md: Likewise.
10021 * gmon-sol2.c: Likewise.
10022 * sparc.c: Likewise.
10024 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10026 * ns32k-protos.h: New file.
10028 * ns32k.c: Fix compile time warnings.
10030 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10033 * ns32k.md: Likewise.
10035 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10037 * vax-protos.h: New file.
10039 * vax.c: Fix compile time warnings.
10041 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10044 * vax.md: Likewise.
10046 * vaxv.md: Likewise.
10048 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10050 * romp-protos.h: New file.
10052 * romp.c: Fix compile time warnings.
10054 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10057 * romp.md: Likewise.
10059 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10061 * we32k-protos.h: New file.
10063 * we32k.c: Fix compile time warnings.
10065 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10068 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10070 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10072 * except.c (eh_regs): Likewise.
10074 * final.c (output_operand): Likewise.
10076 * fold-const.c (target_isinf, target_isnan): Likewise.
10078 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10080 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10081 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10083 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10084 when optimize_size.
10085 (clrstrsi): Rewrite.
10086 (strsethi, strsetqi): New expanders.
10087 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10088 (cmpstrsi): Emit compare insn before cmpstrsi_1
10089 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10090 (strlensi_1): Likewise.
10091 (cmpstrsi_1): Likewise; do not output compare.
10092 (strlen expander): Do not unroll when optimizing for size.
10093 (*subsi3_carry): Rename to subsi3_carry
10094 (addqi3_cc): New pattern.
10095 * i386.h (processor_costs): Add move_ratio field.
10096 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10097 * i386.c (*_cost): Set move_ratio.
10098 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10099 (x86_expand_strlensi_1): Rewrite the main loop.
10101 2000-01-17 Richard Henderson <rth@cygnus.com>
10103 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10104 * cse.c (find_comparison_args, fold_rtx): Likewise.
10105 * integrate.c (subst_constants): Likewise.
10106 * loop.c (get_condition): Likewise.
10108 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10110 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10112 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10114 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10115 (RESTORE_WARN_FLAGS): Unpack it.
10116 Change semantic type of extension to ttype.
10117 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10118 * c-parse.y, c-parse.c, objc/objc-parse.y,
10119 objc/objc-parse.c: Regenerate.
10121 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10123 * fixinc/fixlib.c: Add copyright notice.
10124 (compile_re): New function.
10125 * fixinc/fixlib.h: Prototype compile_re.
10127 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10128 Use compile_re to compile regular expressions.
10130 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10131 where the pattern matched.
10133 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10135 (ultrix_ansi_compat): Likewise.
10136 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10138 (interactv_add2, interactv_add3): Delete.
10139 (x11_sprintf): Don't use filename glob.
10140 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10143 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10145 * print-rtl.c: PROTO -> PARAMS.
10146 * real.c: Likewise.
10147 * reg-stack.c: Likewise.
10148 * resource.c: Likewise.
10149 * sdbout.h: Likewise.
10150 * simplify-rtx.c: Likewise.
10151 * stor-layout.c: Likewise.
10152 * stupid.c: Likewise.
10153 * xcoffout.c: Likewise.
10154 * xcoffout.h: Likewise.
10156 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10158 * toplev.c: PROTO -> PARAMS.
10159 * toplev.h: Likewise.
10160 * tree.c: Likewise.
10161 * tree.h: Likewise.
10162 * unroll.c: Likewise.
10163 * varasm.c: Likewise.
10164 * varray.c: Likewise.
10165 * varray.h: Likewise.
10167 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10169 * reload.c: PROTO -> PARAMS.
10170 * reload.h: Likewise.
10171 * reload1.c: Likewise.
10172 * reorg.c: Likewise.
10173 * resource.h: Likewise.
10176 * rtlanal.c: Likewise.
10177 * sbitmap.h: Likewise.
10178 * sdbout.c: Likewise.
10179 * stack.h: Likewise.
10180 * stmt.c: Likewise.
10181 * system.h: Likewise.
10183 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10185 * machmode.h: PROTO -> PARAMS.
10186 * mbchar.h: Likewise.
10187 * mips-tdump.c: Likewise.
10188 * mips-tfile.c: Likewise.
10189 * optabs.c: Likewise.
10190 * output.h: Likewise.
10191 * prefix.c: Likewise.
10192 * profile.c: Likewise.
10193 * protoize.c: Likewise.
10194 * real.h: Likewise.
10195 * recog.c: Likewise.
10196 * recog.h: Likewise.
10197 * regclass.c: Likewise.
10198 * regmove.c: Likewise.
10199 * regs.h: Likewise.
10201 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10203 * ggc-common.c: PROTO -> PARAMS.
10204 * ggc-page.c: Likewise.
10205 * ggc-simple.c: Likewise.
10207 * global.c: Likewise.
10208 * graph.c: Likewise.
10209 * gthr-win32.h: Likewise.
10210 * haifa-sched.c: Likewise.
10211 * halfpic.h: Likewise.
10212 * integrate.c: Likewise.
10213 * integrate.h: Likewise.
10214 * jump.c: Likewise.
10216 * local-alloc.c: Likewise.
10217 * loop.c: Likewise.
10218 * loop.h: Likewise.
10220 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10222 * genattr.c: PROTO -> PARAMS.
10223 * genattrtab.c: Likewise.
10224 * gencheck.c: Likewise.
10225 * gencodes.c: Likewise.
10226 * genconfig.c: Likewise.
10227 * genemit.c: Likewise.
10228 * genextract.c: Likewise.
10229 * genflags.c: Likewise.
10230 * gengenrtl.c: Likewise.
10231 * genopinit.c: Likewise.
10232 * genoutput.c: Likewise.
10233 * genpeep.c: Likewise.
10234 * genrecog.c: Likewise.
10236 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10238 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10240 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10242 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10243 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10244 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10245 * configure, config.in: Rebuilt.
10247 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10249 * config/i386/i386.md: Add peephole to merge successive stack
10252 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10254 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10255 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10256 when walking backwards to find all the parameter loads when
10257 the basic block ends in a call.
10259 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10261 * loop.c (this_loop_info): Delete.
10262 (uid_loop): Add in place of uid_loop_num. All uses updated.
10263 (loop_number_exit_count): Delete and replace with entry in loop
10264 structure. All uses updated.
10265 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10266 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10267 (loop_outer_loop): Likewise.
10268 (loop_invalid, loop_number_exit_labels): Likewise.
10269 (loop_used_count_register): Delete and replace with entry in
10270 loop_info structure.
10271 (find_and_verify_loops): Add loops argument.
10272 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10273 loop_end, etc. arguments with loop structure pointer. All callers
10275 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10276 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10277 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10278 (insert_bct): Likewise.
10279 (basic_induction_var): New argument level.
10280 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10281 vtop, and cont. Add used_count_register.
10282 (uid_loop): Delete declaration.
10283 (loop_number_exit_count): Likewise.
10284 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10285 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10286 (loop_outer_loop, loop_used_count_register): Likewise.
10287 (loop_invalid, loop_number_exit_labels): Likewise.
10288 (unroll_loop): Replace loop_start and loop_end arguments
10289 with loop structure pointer.
10290 (loop_precondition_p, loop_iterations): Likewise.
10291 Include basic-block.h.
10292 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10293 with loop structure pointer.
10294 (loop_precondition_p, loop_iterations): Likewise.
10295 * basic-block.h (struct loop): New entries vtop, cont,
10296 cont_dominator, start, end, top, scan_start, exit_labels,
10298 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10300 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10302 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10304 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10306 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10308 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10310 * pdp11-protos.h: New file.
10312 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10315 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10318 * pdp11.md: Likewise.
10320 * 2bsd.h: Likewise.
10322 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10324 * mn10300-protos.h: New file.
10326 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10329 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10332 * mn10300.md: Likewise.
10334 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10336 * mn10200-protos.h: New file.
10338 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10341 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10344 * mn10200.md: Likewise.
10346 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10348 * h8300-protos.h: New file.
10350 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10353 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10356 * h8300.md: Likewise.
10358 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10360 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10361 (asm_emit_uninitialised): Likewise.
10363 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10365 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10366 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10368 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10370 * config/mips/mips.c (override_options): Don't turn on extra
10371 alignment for mips16.
10373 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10375 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10376 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10379 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10381 * builtins.c (PAD_VARARGS_DOWN): Define.
10382 (std_expand_builtin_va_arg): Use the above macro.
10383 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10384 * tm.texi (Register Arguments): Document the above macro.
10386 2000-01-14 Nick Clifton <nickc@cygnus.com>
10388 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10389 that this function has not been used to emit a jump
10392 * jump.c (return_jump_1): Cope with being passed a null rtx.
10394 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10396 * eh-common.h: PROTO -> PARAMS.
10397 * emit-rtl.c: Likewise.
10398 * errors.c: Likewise.
10399 * errors.h: Likewise.
10400 * except.c: Likewise.
10401 * except.h: Likewise.
10402 * explow.c: Likewise.
10403 * expmed.c: Likewise.
10404 * expr.c: Likewise.
10405 * expr.h: Likewise.
10406 * final.c: Likewise.
10407 * fix-header.c: Likewise.
10408 * flow.c: Likewise.
10409 * fold-const.c: Likewise.
10410 * function.c: Likewise.
10411 * function.h: Likewise.
10413 * gcov-io.h: Likewise.
10414 * gcov.c: Likewise.
10415 * gcse.c: Likewise.
10417 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10419 * sh-protos.h: New file.
10421 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10422 Add static prototypes. Fix compile time warnings.
10424 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10428 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10430 * arc-protos.h: New file.
10432 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10435 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10438 * arc.md: Likewise.
10440 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10442 * dsp16xx-protos.h: New file.
10444 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10447 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10450 * dsp16xx.md: Likewise.
10452 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10454 * convex-protos.h: New file.
10456 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10459 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10462 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10464 * elxsi-protos.h: New file.
10466 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10469 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10472 * elxsi.md: Likewise.
10474 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10476 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10477 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10478 match the comment for MIPS16.
10480 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10482 * flow.c (split_edge): Do not call set_block_for_insn if we
10483 do not have a basic_block_for_insn structure.
10485 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10486 and destination functions are 32bit aligned within the trampoline.
10487 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10488 (TRAMPOLINE_ALIGNMENT): Define.
10490 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10491 (set (pc) (label_ref)), verify the change creates a valid insn.
10493 * fr30.c (call_operand): Tighten and rework to match rules for
10494 call RTL expressions.
10495 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10496 * fr30.md (call patterns): Improve constraints.
10498 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10500 * fr30.c (fr30_expand_epilogue): Revert last change.
10501 Use emit_jump_insn for the return insn.
10503 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10504 Stan Cox <scox@cygnus.com>
10506 * predict.c: New file. Preliminary infrastructure work for static
10507 branch prediction and basic block reordering.
10508 * basic-block.h: Add prototype for estimate_probability.
10509 * Makefile.in: Add rules for predict.o.
10511 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10513 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10514 * fixinc/*: Likewise.
10516 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10518 * cccp.c: PROTO -> PARAMS.
10519 * cexp.y: Likewise.
10520 * collect2.c: Likewise.
10521 * combine.c: Likewise.
10522 * convert.h: Likewise.
10524 * dbxout.c: Likewise.
10525 * dbxout.h: Likewise.
10526 * diagnostic.c: Likewise.
10527 * doprint.c: Likewise.
10528 * dwarf2out.c: Likewise.
10529 * dwarf2out.h: Likewise.
10530 * dwarfout.c: Likewise.
10531 * dwarfout.h: Likewise.
10532 * dyn-string.h: Likewise.
10534 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10536 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10537 macro conditionals guarding use.
10539 * dwarf2out.c: Include "tm_p.h".
10541 * function.c (locate_and_pad_parm): Mark parameter with
10543 (expand_function_end): Likewise for variable `context'.
10545 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10547 2000-01-13 Nick Clifton <nickc@cygnus.com>
10549 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10550 register to prevent compile time warnings.
10552 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10554 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10555 to avoid -Wtraditional warning.
10557 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10559 * 1750a-protos.h: New file.
10561 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10564 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10567 * 1750a.md: Likewise.
10569 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10571 * a29k-protos.h: New file.
10573 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10576 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10579 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10581 * clipper-protos.h: New file.
10583 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10586 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
10589 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10591 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
10593 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
10595 * configure.in (--enable-new-gxx-abi): New option.
10596 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
10597 * Makefile.in (GXX_ABI_FLAG): New variable.
10598 * configure: Regenerate.
10600 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10602 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
10603 * tm.texi (FORCE_STRUCT_BLK): Document.
10604 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
10606 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
10608 * config/ns32k/ns32k.md: Revert Jan 9 change.
10610 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
10611 to a mode-test, if the predicate is address_operand.
10613 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
10615 * combine.c (if_then_else_cond): Be careful about what kinds
10616 of RTL expressions are passed to operand_subword.
10618 * flow.c (split_edge): If we have to insert a new jump, make
10619 sure to associate it with a basic block.
10621 * flow.c (commit_one_edge_insertion): A block with one successor
10622 can end in a JUMP_INSN that is not a simplejump.
10624 2000-01-12 Robert Lipe <robertl@sco.com>
10626 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
10627 (BUILD_VA_LIST_TYPE): Define.
10628 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
10631 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
10633 * cccp.c (do_pragma): Add cast to (char *).
10635 2000-01-12 Richard Henderson <rth@cygnus.com>
10636 Fred Fish <fnf@be.com>
10637 Jason Merrill <jason@cygnus.com>
10639 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
10640 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
10641 * i386/beos-elf.h, i386/beos-pe.h: New files.
10643 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
10644 * cross-make (SYSTEM_HEADER_DIR): Define using
10645 CROSS_SYSTEM_HEADER_DIR.
10647 * gcc.c (LIBRARY_PATH_ENV): Provide default.
10648 (process_command): Use it.
10649 (main): Likewise. Kill trailing = from env vars.
10650 (build_search_list): Put it back.
10651 * collect2.c (main): Use LIBRARY_PATH_ENV.
10653 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
10654 * toplev.c: Use NEED_DECLARATION_ENVIRON.
10656 * tm.texi (Frame Layout): Document SMALL_STACK.
10657 * c-common.c (c_common_nodes_and_builtins): Check it.
10659 * system.h: Undef alloca after including glibc's <stdlib.h>,
10660 if USE_C_ALLOCA is defined.
10662 * gcc.c (set_input): New fn.
10663 (main): After all input files are compiled, reset the input file
10666 * aclocal.m4 (rindex, index): If already defined, don't attempt
10669 * ginclude/varargs.h: (__va_list__): Define ifndef.
10670 * ginclude/stdarg.h: Likewise.
10672 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
10673 instead of unsigned char.
10675 * hash.h (true, false, boolean): Undef before enum.
10677 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
10678 proper type of "HOST_WIDE_INT *", rather than their natural type of
10679 "unsigned HOST_WIDE_INT *".
10681 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10683 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
10685 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
10687 * regclass.c (choose_hard_reg_mode): Likewise.
10689 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
10691 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
10693 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10695 * c-common.c: PROTO -> PARAMS.
10696 * c-common.h: Likewise.
10697 * c-decl.c: Likewise.
10698 * c-iterate.c: Likewise.
10699 * c-lang.c: Likewise.
10700 * c-lex.c: Likewise.
10701 * c-lex.h: Likewise.
10702 * c-parse.in: Likewise.
10703 * c-pragma.c: Likewise.
10704 * c-pragma.h: Likewise.
10705 * c-tree.h: Likewise.
10706 * c-typeck.c: Likewise.
10707 * objc/objc-act.c: Likewise.
10708 * objc/objc-act.h: Likewise.
10710 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10712 * m88k-protos.h: New file.
10714 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
10717 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
10719 * m88k.md: Likewise.
10721 * tekXD88.h: Likewise.
10723 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10725 * m68k-protos.h: New file.
10727 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
10730 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
10732 * mot3300.h: Likewise.
10734 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
10736 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
10738 (extract_bitlist): Declare bitlen.
10740 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
10742 * cccp.c: Accept and ignore -lang-fortran.
10744 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
10745 qualifiers don't match at any level of pointerness.
10747 2000-01-12 Robert Lipe <robertl@sco.com>
10749 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
10751 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
10753 * reload1.c (reload_reg_unavailable): New static variable.
10754 (reload_reg_free_p): Test it.
10755 (reload_reg_free_for_value_p): Test it instead of
10757 (choose_reload_regs_init): Compute it.
10759 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
10761 * reorg.c (fill_slots_from_thread): Check modified_in_p
10764 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
10766 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
10767 these nodes even if INTERNALS is not set.
10769 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
10771 * gcse.c (delete_null_pointer_checks_1): Cope when
10772 get_condition cannot determine the condition.
10774 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
10776 * toplev.h (set_message_length): Declare.
10778 * diagnostic.c (obstack_chunk_alloc): Define macro.
10779 (obstack_chunk_free): Likewise.
10780 (struct output_buffer): New data structure.
10781 (vmessage): Remove.
10782 (output_maximum_width): New variable.
10783 (doing_line_wrapping, set_message_length, init_output_buffer,
10784 get_output_prefix, output_space_left, emit_output_prefix,
10785 output_newline, output_append, output_puts, dump_output,
10786 vbuild_message_string, build_message_string, build_location_prefix,
10787 voutput_notice, output_printf, line_wrapper_printf,
10788 vline_wrapper_message_with_location): New functions. Implement
10789 automatic line wrapping.
10790 (v_message_with_decl): Make it handle automatic line wrapping.
10791 (v_error_with_file_and_line): Likewise.
10792 (v_warning_with_file_and_line): Likewise.
10793 (announce_function): Likewise.
10794 (default_print_error_function): Likewise.
10796 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
10798 * cpplib.h (struct cpp_options): Change lang_asm to char.
10800 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
10801 done in cpp_handle_option now.
10802 (initialize_builtins): Take out special case code used only by
10804 (cpp_handle_option): Turn off trigraphs and trigraph warnings
10805 if -traditional. Recognize -lang-fortran and set
10806 lang_fortran, also turn off cplusplus_comments.
10807 (print_help): Document -lang-fortran.
10808 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
10809 lang_asm. Ignore all directives other than `# 123 "file"' if
10811 (cpp_get_token): If -traditional, don't recognize directives
10812 unless the # is in column 1.
10813 (parse_string): If lang_fortran or lang_asm, silently
10814 terminate strings ('' or "") at end of line.
10815 Remove unnecessary braces.
10817 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10818 Richard Henderson <rth@cygnus.com>
10820 * resource.c (mark_referenced_resources): Mark a set strict_low_part
10822 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
10823 strict_low_part when possible.
10825 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10827 * alias.c: PROTO -> PARAMS.
10828 * basic-block.h: Likewise.
10829 * bitmap.c: Likewise.
10830 * bitmap.h: Likewise.
10831 * builtins.c: Likewise.
10832 * c-aux-info.c: Likewise.
10833 * caller-save.c: Likewise.
10834 * calls.c: Likewise.
10836 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10838 * Makefile.in (toplev.o): Depend on regs.h.
10840 * output.h (tdesc_section): Prototype.
10842 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
10844 * sdbout.c: Include "tm_p.h".
10846 * toplev.c: Include "regs.h".
10848 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
10850 * unroll.c (unroll_loop): Add EH support.
10852 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10854 * pa-protos.h: New file.
10856 * pa.c: Include recog.h and tm_p.h.
10857 (compute_zdepwi_operands, compute_movstrsi_length,
10858 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
10859 find_addr_reg, import_milli): Add static prototypes.
10860 (pa_cpu_string, pa_arch_string): Constify a char*.
10861 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
10862 (read_only_operand): Add argument `mode'.
10863 (singlemove_string, output_move_double, output_fp_move_double,
10864 output_block_move, output_and, output_ior, output_ascii,
10865 remove_useless_addtr_insns, milli_names, output_mul_insn,
10866 output_div_insn, output_mod_insn, output_arg_descriptor,
10867 output_cbranch, output_bb, output_bvb, output_dbra, ,
10868 output_millicode_call, output_call, hppa_encode_label,
10869 output_parallel_movb, output_parallel_addb): Constify a char*.
10870 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
10871 (output_parallel_addb): Remove extra arg to `constrain_operands'
10873 * pa.h: Move all prototypes to pa-protos.h.
10874 (pa_cpu_string, pa_arch_string): Constify a char*.
10875 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
10877 * pa.md: Call `function_label_operand' with mode argument.
10878 Likewise for `read_only_operand'.
10879 Fix nesting of parens in call to `symbolic_operand'.
10881 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10883 * i860-protos.h: New file.
10885 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
10888 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
10890 * i860.md: Likewise.
10892 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
10894 * i386.md (movstrsi expander): Rewrite.
10895 (movstrsi_1 insn): Deleted.
10896 (strmovhi, strmovqi expander): New expanders.
10897 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
10898 * i386.c (x86_single_stringop): New global variable.
10899 * i386.h (x86_single_stringop): Declare.
10900 (TARGET_SINGLE_STRINGOP): New macro.
10902 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
10904 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
10905 integer vararg POSTINCREMENT before the destination of the jump
10906 for the hard fp case.
10907 (function_arg_pass_by_reference): Pass a copy of CUM to
10910 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
10911 for CONSTANT_ADDRESS_P above while loop for subreg.
10913 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
10915 * flow.c (propagate_block): When a prologue/epilogue insn
10916 is marked dead, unconditionally clear libcall_is_dead and
10917 insn_is_dead, and only dump rtl if warnings aren't being
10920 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
10922 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
10923 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
10924 (FIXED_REGISTERS): Set dirflag as fixed.
10925 (CALL_USED_REGISTERS): Set dirflag as used.
10926 (REG_ALLOC_ORDER): Set dirflag as last one.
10927 (DIRFLAG_REG): New macro.
10928 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
10929 (HI_REGISTER_NAMES): Add dirflag.
10930 (DEBUF_PRINT_REG): Handle dirflag.
10931 * i386.md (type attribute): New cld and str types.
10932 (length_opcode attribute): Set cld and str to 1.
10933 (memory attribute): Set str to unknown - it is not clear from the
10935 (pent_np function unit): Prefixed string operations takes 12 cycles
10936 minimally; cld takes 2 cycles.
10937 (ppro_uops attribute): Str is "many" and cld is "few".
10938 (ppro_p0 unit): Handle cld here.
10939 (k6_alux unit): Handle cld and str types.
10940 (k6_load unit): It is ocupied by str opcodes.
10941 (k6_store unit): It is ocupied by str opcodes.
10942 (athlon_decode): Str is vector decoded.
10943 (athlon_ieu): Handle str and cld.
10944 (cld pattern): New.
10945 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
10946 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
10947 cmpstrsi_nz_1 insn): Do not output cld instruction
10949 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
10951 * gcc.texi (G++ and GCC): Add Java and Chill.
10952 (Bug Critera): Don't list languages.
10954 * gcc.texi (Incompatibilities): No longer claim most C compilers
10957 * gcc.texi (G++ and GCC): Update other front-ends list.
10959 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
10961 * i386.c (ix86_expand_setcc): Fix typo.
10962 (ix86_expand_movcc): Similarly.
10964 * Band-aid until haifa's bitset implementation is nuked.
10965 * haifa-sched.c (extract_bitlst): New parameter for size of the
10966 bitset in bits. All callers changed. Avoid looking at undefined
10967 bits in the bitset.
10968 (edgeset_bitsize): New variable.
10969 (schedule_region): Initialize edgeset_bitsize.
10971 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10973 * Makefile.in (optabs.o): Depend on real.h
10974 (resource.o): Depend on insn-attr.h
10976 * builtins.c (result_vector): Wrap prototype in macro conditions
10977 governing definition and use.
10979 * c-common.c: Include tm_p.h.
10981 * c-lex.c: Likewise.
10983 * elfos.h: Constify a char*.
10985 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
10986 (get_attr_length, shorten_branches, profile_after_prologue): Mark
10987 parameter with ATTRIBUTE_UNUSED.
10989 * fold-const.c (exact_real_inverse): Wrap variable `i' in
10992 * haifa-sched.c (schedule_insns): Mark parameter with
10995 * optabs.c: Include real.h.
10997 * real.h (ereal_atof): Add prototype arguments.
10999 * resource.c: Include insn-attr.h.
11001 * sdbout.c (sdbout_queue_anonymous_type,
11002 sdbout_dequeue_anonymous_types): Wrap in macro
11003 SDB_ALLOW_FORWARD_REFERENCES.
11004 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11007 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11009 * stupid.c: Include tm_p.h.
11011 * tree.c (real_value_from_int_cst): Mark parameter with
11014 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11016 * i960-protos.h: New file.
11018 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11021 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11023 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11025 * combine.c (expand_field_assignment): Do not discard SUBREGs
11026 while computing nonzero_bits.
11028 2000-01-09 Nick Clifton <nickc@cygnus.com>
11030 * config/arm/arm.c: Fix compile time warnings about signed vs
11031 unsigned constants.
11032 * config/arm/arm.h: Fix compile time warnings about signed vs
11033 unsigned constants.
11035 2000-01-09 Philip Blundell <philb@gnu.org>
11037 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11038 than `ldm' with only one register.
11039 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11042 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11045 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11047 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11050 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11052 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11053 assignment used as truth value.
11055 * function.c (assign_temp): Mark parameter `dont_promote' with
11056 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11057 PROMOTE_FOR_CALL_ONLY.
11059 * genrecog.c (write_subroutine): Mark variable `operands' with
11062 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11065 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11066 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11068 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11071 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11073 * config/c4x.h: Tidy up comments.
11074 * config/c4x.c: Likewise.
11076 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11078 * fold-const.c (lshift_double, rshift_double): Handle
11079 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11081 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11083 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11084 in prepare_function_start().
11086 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11088 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11089 longer allocate extra stack for function calls.
11091 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11093 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11095 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11097 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11099 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11101 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11102 * aix43.h: Revert Aug 2 change.
11103 (HAS_INIT_SECTION): Define, not visible yet.
11104 (LD_INIT_SWITCH): Define, not visible yet.
11105 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11107 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11109 * collect2.c (main): Expand ld2 size further.
11110 (export_object_lst): Cast assignment to avoid warning.
11111 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11112 (scan_prog_file, COFF): Do not collect initialization or
11113 finalization functions generated for entire shared object if
11114 init/fini support present.
11116 2000-01-07 Nick Clifton <nickc@cygnus.com>
11118 * config/elfos.h: Tidy up formatting of marcos. Make sure
11119 that .section directives are always prefixed by a tab.
11121 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11124 2000-01-07 Matt Austern <austern@sgi.com>
11126 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11129 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11131 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11133 (crtbegin.o, s-crtS): Likewise.
11135 2000-01-06 Richard Henderson <rth@cygnus.com>
11137 * alpha.md (adddi_2+1): Limit offset such that it will be
11138 loadable with a single ldah+lda pair.
11139 (adddi_2+2): Explicitly fail split if we can't make it work.
11141 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11143 * protoize.c: Conditionally include unistd.h.
11144 (IS_SAME_PATH_CHAR): New macro.
11145 (IS_SAME_PATH): New macro.
11146 (CPLUS_FILE_SUFFIX): New macro.
11147 (cplus_suffix): New static variable.
11148 (is_abspath): New static function.
11149 (in_system_include_dir): Handle DOS style pathnames.
11150 (file_could_be_converted): Likewise.
11151 (file_normally_convertible): Likewise.
11152 (directory_specified_p): Likewise.
11153 (file_excluded_p): Likewise.
11154 (abspath): Likewise.
11155 (shortpath): Likewise.
11156 (referenced_file_is_newer): Likewise.
11157 (save_def_or_dec): Likewise.
11158 (do_processing): Likewise.
11160 (edit_file): Likewise. Use rename instead of link.
11161 (rename_c_file): Likewise. Don't rename syscalls file.
11162 (munge_compile_params): Define null device for DOS based systems.
11163 (process_aux_info_file): Use binary mode if appliable.
11164 (edit_file): Likewise.
11165 * invoke.texi (Running Protoize): Document C++ suffixes used.
11167 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11168 IS_DIR_SEPARATOR macros.
11169 * collect2.c: Likewise.
11170 * cppinit.c: Likewise.
11171 * dwarf2out.c: Likewise.
11173 * gcov.c: Likewise.
11174 * prefix.c: Likewise.
11176 * toplev.c: Likewise.
11177 * system.h: And move to here.
11179 * prefix.c (update_path): Fix typo in variable name.
11181 2000-01-06 Richard Henderson <rth@cygnus.com>
11183 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11184 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11185 (count_reg_sets_1, count_reg_references): Likewise.
11186 (flow_loops_level_compute): Start counting actual loop depth at 1.
11187 (flow_loops_find): Likewise.
11188 * local-alloc.c (update_equiv_regs): Likewise.
11189 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11191 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11193 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11194 FIRST_PSEUDO_REGISTER
11195 * dwarf2out.c: Don't include frame.h
11196 * dwarfout.c: Likewise
11197 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11200 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11202 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11205 * i386.c (movsf splitter): Fix typo in my last checkin.
11207 2000-01-05 Nick Clifton <nickc@cygnus.com>
11209 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11210 own definition of this macro.
11211 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11212 flag_data_sections or UNIQUE_SECTION_P are true.
11214 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11215 unitialised data decls.
11217 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11218 being called for uninitialised data.
11220 * config/i386/interix.c (i386_pe_unique_section): Cope with
11221 being called for uninitialised data.
11223 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11224 for uninitialised data.
11226 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11227 for uninitialised data.
11229 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11230 for uninitialised data.
11232 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11233 (UNIQUE_SECTION_P): Always generate a unique section if
11234 flag_data_sections is true.
11235 (UNIQUE_SECTION): Also generate unique sections for
11236 uninitialised data.
11237 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11238 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11241 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11243 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11246 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11248 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11249 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11250 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11251 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11252 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11254 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11256 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11258 * c-decl.c (finish_enum): Simplify code to determine minimum and
11259 maximum values of the enum, and calculate the type. Remove check
11260 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11261 the DECL_INITIAL of each enumeration constant with a copy converted
11262 to the enumeration type. When updating variant types, don't bother
11263 updating the type itself.
11265 * c-typeck.c (build_binary_op): Simplify conditional expressions
11266 when weeding out spurious signed-unsigned warnings. Add new
11267 spurious warning category: if the unsigned quantity is an enum
11268 and its maximum value fits in signed_type(result_type). Update
11270 (build_conditional_expr): Warn here if one alternative is signed
11271 and the other is unsigned.
11273 2000-01-05 Nick Clifton <nickc@cygnus.com>
11275 * config/fr30/fr30.h: Remove extraneous comments.
11277 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11279 * reload1.c (choose_reload_regs): When disabling a reload, also
11280 set reload_spill_index to -1.
11282 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11284 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11286 (m68*-*-rtemself*): New target.
11287 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11288 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11289 (sparc*-*-rtemself*): New target.
11290 (sparc*-*-rtems*): Now elf not a.out.
11291 * config/i386/rtems.h: Include config/rtems.h.
11292 * config/i386/rtemself.h: Include config/rtems.h.
11293 * config/i960/rtems.h: Include config/rtems.h.
11294 * config/m68k/rtems.h: Include config/rtems.h.
11295 * config/m68k/rtemself.h: Include config/rtems.h.
11296 * config/mips/rtems64.h: Include config/rtems.h.
11297 * config/pa/rtems.h: Include config/rtems.h.
11298 * config/rs6000/rtems.h: Include config/rtems.h.
11299 * config/sh/rtems.h: Include config/rtems.h.
11300 * config/sh/rtemself.h: Include config/rtems.h.
11301 * config/sparc/rtems.h: Include config/rtems.h.
11302 * config/sparc/rtemself.h: Include config/rtems.h
11304 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11306 * final.c (shorten_branches): Correctly compute length of
11307 asms without operands.
11309 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11311 * configure.in: Add pj target.
11312 * configure: Regenerate.
11313 * config/pj: New directory.
11314 * config/pj/lib1funcs.S: New file.
11315 * config/pj/linux.h: New file.
11316 * config/pj/pj.c: New file.
11317 * config/pj/pj.md: New file.
11318 * config/pj/pjl.h: New file.
11319 * config/pj/t-pj: New file.
11320 * config/pj/xm-pj.h: New file
11322 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11324 * toplev.c (rest_of_compilation): Run shorten-branches before
11327 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11329 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11330 macros so that they're consistent with their names.
11331 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11332 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11334 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11336 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11337 modified inadvertently.
11339 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11341 * configure.in (v850*-*-rtems*): New target.
11342 * configure: Regenerate.
11343 * config/v850/rtems.h: New file.
11345 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11347 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11348 (__gthread_key_create): Likewise.
11349 (__gthread_key_dtor): Likewise.
11350 (__gthread_once): Fix logic.
11351 (__gthread_key_delete): Cast away constness.
11353 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11354 * invoke.texi: Document.
11355 * i386/mingw32.h (CPP_SPEC): Use.
11356 (LIBGCC_SPEC): Likewise.
11357 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11359 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11361 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11362 (HANDLE_PRAGMA_PACK): Undefine.
11363 (SLOW_UNALIGNED_ACCESS): Define.
11365 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11367 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11368 to default definition.
11369 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11370 (store_fixed_bit_field): Call macro with word_mode and alignment.
11371 (extract_bit_field): Call macro with relevant mode and alignment.
11372 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11373 to default definition.
11374 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11376 (move_by_pieces_ninsns): Likewise.
11377 (clear_by_pieces): Likewise.
11378 (emit_push_insn): Likewise.
11379 (store_field): Call macro with relevant mode and alignment.
11380 (expand_expr): Likewise.
11381 (expand_expr_unaligned): Likewise.
11383 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11384 (SLOW_UNALIGNED_ACCESS): Define.
11385 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11386 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11387 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
11388 (toc_section): Likewise and .toc pseudo-op.
11389 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11391 (TEXT_SECTION_ASM_OP): Likewise.
11392 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11395 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11396 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11397 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11398 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11399 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11401 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11403 * regclass.c: Revert my Jan 4 change to loop cost computation.
11405 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11407 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11410 2000-01-04 Stan Cox <scox@cygnus.com>
11412 * haifa-sched.c (build_control_flow): Change unreachable simple
11413 loop test to check if current block has only one predecessor.
11414 (find_rgns): Initialize degree. Use dest as degree index, not src.
11416 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11418 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11420 * calls.c (expand_call): Likewise for
11421 `old_stack_arg_under_construction'.
11423 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11425 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11428 * gcc.c (execute): Likewise for `ut' and `st'.
11430 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11432 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11434 * jump.c (jump_optimize_1): Likewise for `temp2'.
11436 * local-alloc.c (block_alloc): Likewise for `r1'.
11438 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11440 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11441 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11443 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11446 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11447 and `goal_earlyclobber'.
11449 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11451 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11453 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11455 * unroll.c (copy_loop_body): Likewise for `copy'.
11457 * varasm.c (output_constructor): Likewise for `byte'.
11459 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11461 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11462 all FP constants for constant->reg moves.
11463 (ix86_split_to_parts): Try to convert memory address into immediate
11464 when available in the constant pool.
11465 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11467 (LEGITIMATE_CONSTANT_P): Return 1.
11468 * i386.md (pushsf): New splitter to convert constant pool memory
11469 reference to immediate.
11470 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11473 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11475 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11476 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11477 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11478 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11479 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11481 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11483 * ginclude/stdbool.h: Support compilation as C++.
11485 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11487 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11489 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11491 * regclass.c (regclass): Properly compute loop_cost. Adjust
11494 * regclass.c: Fix minor whitespace problems.
11496 2000-01-03 Anthony Green <green@cygnus.com>
11498 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11499 Restore the pic register if required.
11501 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11503 * c-common.c (format_char_info): Update comment.
11504 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11505 was recognized. Emit warning for formats new in ISO C99 only
11506 if flag_isoc9x is not set.
11508 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11510 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11512 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11514 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11515 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11516 (make_compound_operation): Choose cheaper alternative between
11517 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11519 * regclass.c (op_costs): Remove global variable.
11520 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11521 (record_operand_costs): Break out from ...
11522 (scan_one_insn): ... here.
11523 (dump_regclass): Make dumps nicer.
11524 (regclass): Dump preferrences choosed and changes done during passes.
11526 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11528 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11530 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11532 * config/sparc/sparc.c (gen_df_reg): New function.
11533 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11534 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11535 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11536 movtf_cc_reg_sp64+1): Use it.
11538 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11540 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11541 copied LABEL_DECLs.
11543 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11545 * config/i386/i386.c (ix86_expand_unary_operator): Function
11546 definition made void.
11547 (ix86_expand_binary_operator): Update outdated preceding comment.
11548 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11551 * config/i386/i386.c (override_options): Fix option-name typo.
11553 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11555 * system.h (CEIL): Define.
11556 * builtins.c (CEIL): Remove.
11557 * expmed.c (CEIL): Likewise.
11558 * expr.c (CEIL): Likewise.
11559 * stor-layout.c (CEIL): Likewise.
11561 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11563 * expr.c (store_constructor_field): Fix typo introduced with last
11566 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11568 * tree.h (BINFO_N_BASETYPES): New macro.
11570 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11572 * expmed.c (emit_store_flag): Prevent losing a pending stack
11573 adjust the same way we prevent losing queued increments.
11575 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11577 * function.c (update_temp_slot_address): Handle case where sum of
11578 temporary address plus offset in register is a valid address.
11580 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11582 * genrecog.c (change_state) Corrected typo.
11584 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11586 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11587 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
11588 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
11590 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
11592 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
11593 case, expand GT comparisons correctly. Fix a comment before this
11596 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11598 * dwarfout.c: Include "frame.h"
11599 * dwarf2out.c: Likewise.
11600 * Makefile.in (dwarfout.o): Depend on frame.h
11601 (dwarf2out.o): Likewise.
11603 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
11605 Restore i386 binary compatibility in Dwarf EH info.
11606 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
11607 value of FIRST_PSEUDO_REGISTER.
11608 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
11609 (struct frame_state): Use DWARF_FRAME_REGISTERS.
11610 * dwarfout.c (output_reg_number): Ditto.
11611 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
11612 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
11614 1999-12-29 Bruce Korb <autogen@linuxbox.com>
11616 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
11617 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
11618 (<hack>_RE_CT): not needed
11619 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
11620 rewritten to scan the file text once only
11621 "template<..." test added
11622 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11623 (is_cxx_header): declaration added
11624 * fixinc/fixtests.c(is_cxx_header): removed
11625 (apply_fix_p_t): removed
11626 (double_slash_test): is_cxx_header is only called once now
11627 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
11628 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
11629 within the templates.
11630 The borken spelling of "broken" was fixed.
11631 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
11632 The default level depends on FIXINC_DEBUG.
11634 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11636 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
11637 Otherwise provide a declaration for atexit.
11638 (init_dummy): Make sure dummy call to atexit is nevertheless
11639 called with correct number of args.
11641 * frame.c: Update comments referring to other files.
11643 * libgcc2.c: Likewise.
11645 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11647 * cse.c (free_element, get_element): Remove unused prototypes.
11649 * fold-const.c (extract_muldiv): Initialize variables `op0' and
11652 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
11655 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
11657 * configure.in,configure: case arm for mn10200-*-* now sets
11658 float_format=i32 so that float.h will correctly claim "double"
11659 to be 32 bits. Ran autoconf to generate configure from .in file.
11661 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
11663 * pa.md (conditional zero): If op1 is a register, force it into
11664 the same register as op0.
11666 1999-12-28 Mark Mitchell <mark@codesourcery.com>
11668 * tree.h (BINFO_BASETYPES): Improve documentation.
11670 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11672 * configure.in (--enable-checking): Use a more portable `for'
11675 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11677 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
11678 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
11680 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
11683 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
11684 Delete descriptions.
11686 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
11687 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
11688 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
11689 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
11690 xm-svr4.h: Remove all instances of sys_siglist handling.
11692 1999-12-27 Jakub Jelinek <jakub@redhat.com>
11694 * config/sparc/sparc.md (cmp_zero_qi,
11695 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
11696 cmp_zero_extendqidi2_andcc_set): New patterns.
11698 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
11700 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
11701 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
11702 (fpgnulib.c, xfgnulib.c): Add rules.
11703 * m68k/t-mot3300-gas: Likewise.
11705 1999-12-27 Ian Lance Taylor <ian@zembu.com>
11707 * configure.in: Avoid [[ by using test and changequote. Add
11708 changequote required by 1999-12-14 change.
11709 * configure: Rebuild.
11711 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
11713 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
11715 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
11717 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
11718 * flow.c (find_use_as_address): Likewise.
11719 * function.c (fixup_var_refs_1): Likewise.
11720 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
11721 * jump.c (invert_exp, redirect_exp): Likewise.
11722 * loop.c (replace_call_address): Likewise.
11723 (count_nonfixed_reads): Likewise.
11724 * rtlanal.c (modified_between_p): Likewise.
11725 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
11726 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
11727 * unroll.c (remap_split_bivs): Likewise.
11729 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11731 * diagnostic.c (v_message_with_decl): Use .* format specifier
11732 instead of building the format specifier width manually.
11734 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
11735 determining whether to provide a prototype. Remove the
11736 sys_siglist clause in the conditional.
11738 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11740 * fold-const.c (operand_equal_p): Use memcmp to compare string
11742 Suggested by D. J. Bernstein
11744 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11746 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
11747 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11749 * config/mips/mips.h (TARGET_64BIT): Likewise.
11750 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
11751 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
11752 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
11753 dsps. Give routines proper names if SI/DI modes are not used.
11754 * longlong.h: Use DWunion instead of DIunion.
11756 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
11758 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
11759 GC_CHECKING, GC_ALWAYS_COLLECT.
11760 * configure.in: Allow --enable-checking with an argument
11761 listing check modes to enable.
11762 * config.in, configure: Rebuilt.
11763 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
11764 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
11765 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
11766 ENABLE_GC_ALWAYS_COLLECT.
11767 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
11769 * tree.h, tree.c: Change ENABLE_CHECKING to
11770 ENABLE_TREE_CHECKING throughout.
11772 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11774 * fold-const.c (fold_truthop): Properly check for FP RHS.
11776 1999-12-24 Mark Mitchell <mark@codesourcery.com>
11778 * toplev.h (note_deferall_of_defined_inline_function): Declare.
11779 * toplev.c (note_deferral_of_defined_inline_function): New
11780 function, split out from ...
11781 (rest_of_compilation): ... here. Use it.
11783 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11785 * expr.c (store_constructor): Don't call clear_storage if size is
11788 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11790 * Makefile.in (toplev.o): Depend on loop.h.
11792 * dwarfout.c: Include tm_p.h.
11794 * emit-rtl.c (restore_emit_status): Mark parameter with
11797 * final.c (final_scan_insn): Likewise.
11799 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
11800 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
11801 flow_depth_first_order_compute, flow_loop_pre_header_find,
11802 flow_loop_tree_node_add, flow_loops_tree_build,
11803 flow_loop_level_compute, flow_loops_level_compute,
11804 flow_loop_outside_edge_p): Add prototypes.
11805 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
11807 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
11808 Mark with ATTRIBUTE_NORETURN.
11810 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
11812 * local-alloc.c (no_conflict_p): Likewise.
11814 * loop.c (insert_bct): Hide definitions of variables with hidden
11816 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
11818 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
11819 with ATTRIBUTE_UNUSED.
11820 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
11821 (reg_scan): Likewise.
11823 * reload.c (find_reloads): Remove unused variables `changed'.
11825 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
11827 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
11828 Remove unused variable `insn'.
11830 * toplev.c: Include loop.h.
11831 (report_file_and_line): Remove unnecessary prototype.
11833 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
11835 * unroll.c (biv_total_increment): Likewise.
11837 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11839 * reload1.c (emit_input_reload_insns): Restore old behaviour
11840 wrt. 'special' reloads.
11842 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
11844 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
11845 hash.h. (cse.c): Don't depend on hashtab.h.
11847 * cse.c: Don't include hashtab.h.
11848 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
11850 * ggc-simple.c: Don't include hash.h.
11852 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
11854 * dwarf2out.c (add_abstract_origin_attribute): Call
11855 gen_abstract_function on our function context.
11857 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
11859 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
11861 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11863 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
11866 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11868 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
11869 constraints to "a!r".
11871 1999-12-21 Mark Mitchell <mark@codesourcery.com>
11873 * Makefile.in (calls.o): Depend on function.h.
11874 (alias.o): Likewise.
11876 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
11878 * reload1.c (emit_reload_insns): Break out code and variables into...
11879 (input_reload_insns, other_input_address_reload_insns,
11880 other_input_reload_insns, input_address_reload_insns,
11881 inpaddr_address_reload_insns, output_reload_insns,
11882 output_address_reload_insns, outaddr_address_reload_insns,
11883 operand_reload_insns, other_operand_reload_insns,
11884 other_output_reload_insns): ... new static variables, and...
11885 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
11886 do_output_reload): ... new functions.
11888 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11890 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
11892 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11894 * md.texi: Add c4x constraints documentation.
11896 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11898 * config/i386/dgux.c (struct option): Rename to
11899 lang_independent_option.
11900 (struct m_options): Add description field.
11901 (output_options): Rename option type, add sep declaration, output
11902 ix86_cpu_string and ix86_arch_string only if set.
11903 (output_file_start): Rename option type.
11905 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
11907 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
11909 (libgcc2.a): Similarly.
11911 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
11913 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
11914 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
11915 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
11917 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
11919 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
11920 Remove redundant initialization of "frexpon" and "expon".
11922 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11924 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
11926 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
11927 (store_constructor_field, expand_expr): Pass new arg.
11929 1999-12-20 Mark Mitchell <mark@codesourcery.com>
11931 * Makefile.in (explow.o): Depend on function.h.
11933 * stor-layout.c (set_sizetype): Fix typo.
11935 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
11937 * function.c (cfun): Renamed from current_function. All users
11939 * function.h (cfun): Rename declaration as well.
11941 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
11942 to be of type regset_head, not regset. All users changed by adding
11944 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
11946 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11948 * config/c4x/rtems.h: New file.
11950 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
11952 * reload1.c (spill_failure): Take class of failed reload as argument
11953 and print it. Caller changed.
11955 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11957 * rs6000.h (SUBTARGET_DEFAULT): New macro.
11958 (TARGET_SWITCHES): Allow subtargets to default switches.
11959 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
11961 1999-12-18 Mark Mitchell <mark@codesourcery.com>
11963 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
11966 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
11968 * cccp.c (main): Define __STDC_VERSION__ as necessary.
11969 * cppinit.c (cpp_handle_option): Likewise.
11971 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
11972 determine when to define.
11974 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
11976 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
11977 cmove with mismatched test and data modes.
11979 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
11981 * c-typeck.c (c_expand_start_case): Don't warn for long switch
11984 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11986 * alias.c: Minor reformatting.
11987 * flow.c: Likewise.
11988 * regs.h: Likewise.
11989 * stor-layout.c: Likewise.
11990 * fold-const.c: Likewise.
11991 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
11992 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
11994 (size_int_wide): Cache nodes even if garbage collecting.
11995 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
11996 of SAVE_EXPR has no side effects.
11997 * cse.c: Move a comment.
11998 * tree.c: Minor reformatting.
11999 (int_size_in_bytes): Return -1 if constant overflows.
12001 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12003 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12005 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12007 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12008 after any change to c-parse.in, even if objc-parse.y didn't
12011 1999-12-18 David S. Miller <davem@redhat.com>
12013 * toplev.c (rest_of_compilation): Restore BLOCK tree
12014 reconstruction and branch shortening changes lost in
12015 December 18th change.
12017 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12019 * config/arm/linux-elf.h: Change all instances of
12020 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12021 * config/arm/uclinux-elf.h: Likewise.
12023 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12025 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12026 v_message_with_decl, file_and_line_for_asm,
12027 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12028 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12029 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12030 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12031 pfatal_with_name, fatal_io_error, need_error_newline,
12032 last_error_function, last_error_tick, announce_function,
12033 default_print_error_function, print_error_function,
12034 report_error_function, fnotice, error_with_file_and_line,
12035 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12036 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12037 warning_with_decl, warning_for_asm, warning, pedwarn,
12038 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12040 (compile_file): Use fnotice instead of notice. Adjust call.
12042 * diagnostic.c: New file.
12044 * Makefile.in (OBJS): Include diagnostic.o
12045 (diagnostic.o): Define dependence.
12047 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12049 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12052 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12054 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12056 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12058 * fixtests.c (is_cxx_header): New fn, split out of
12060 (else_endif_label): Allow "#endif // comment" in C++ headers,
12061 as determined by is_cxx_header.
12062 * fixfixes.c (else_endif_label_fix): Update comment.
12063 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12065 * genfixes: Correct double thinko in commandline parsing.
12066 * hackshell.tpl: Generate correct sh syntax for bypass
12069 * inclhack.def (all): Whenever an inserted preprocessor
12070 conditional is split over multiple lines, use double
12071 backslashes in this file so the fixed header will be readable.
12073 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12074 and add bypass entry for correct version of this header.
12075 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12076 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12078 (hpux8_bogus_inlines): New fix, split from...
12079 (ultrix_atof_param) ... here.
12080 (math_expression): Add bypass entry keyed to glibc comment
12081 indicating the problem has been dealt with; disable
12082 unnecessary sed operations; update commentary.
12083 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12084 add select and bypass entries, simplify shell operation.
12085 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12087 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12088 ultrix_atof_param): Add select entry.
12089 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12090 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12091 comments with the fixes they describe.
12093 * c-parse.in (string action): Do not warn about ANSI string
12094 concatenation in system headers. Affects C parser only.
12095 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12097 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12099 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12100 compiling libgcc2 the macro depends always on arch cpp defines.
12102 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12104 * loop.c (insert_loop_mem): Don't record MEMs from inside
12107 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12109 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12111 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12112 notes too, create one when replacement failed, attempt to simplify
12114 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12115 or REG_EQUIV notes.
12117 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12119 * crtstuff.c (__dso_handle): Declare.
12120 (__cxa_finalize): Likewise.
12121 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12124 * invoke.texi: Document -fuse-cxa-atexit.
12126 * tree.h (ptr_type_node): Document.
12127 (const_ptr_type_node): Likewise.
12129 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12131 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12132 (optimize_reg_copy_2): Likewise.
12133 (optimize_reg_copy_3): Likewise.
12134 (fixup_match_2): Likewise.
12135 (regmove_optimize): Likewise.
12136 (fixup_match_1): Liekwise.
12138 * i386.md (HI to SImode promoting splitters): Rewrite.
12139 (pushsf mem peep2): New.
12140 (testhi to andhi peep2): Remove.
12141 * i386.h (x86_promote_QImode): New.
12142 (TARGET_PROMOTE_QImode): New.
12143 (PREDICATE_CODES): Add promotable_binary_operator.
12144 * i386.c (x86_promote_QImode0: New.
12145 (promotable_binary_operator): New.
12146 * i386-protos.h (promotable_binary_operator): New.
12148 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12150 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12152 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12154 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12155 * function.c (insert_block_after_note): Remove.
12156 (retrofit_block): Likewise.
12157 (identify_blocks): Fix indentation.
12158 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12159 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12160 * function.h (insert_block_after_note): Remove prototype.
12161 (retrofit_block): Likewise.
12162 * integrate.c (expand_inline_function): Don't call
12163 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12164 just expand_start_bindings. Use the block_map to remap old
12165 NOTE_BLOCKs to new ones.
12166 (integrate_decl_tree): Keep track of remapped blocks.
12167 * integrate.h (struct inline_remap): Add block_map.
12168 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12169 NOTE_BLOCK on the notes.
12170 (expand_start_bindings): Rename to ...
12171 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12172 (expand_end_bindings): Set NOTE_BLOCK.
12173 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12174 reconstruct the BLOCK tree.
12175 * tree.h (expand_start_bindings): Macroize. Call ...
12176 (expand_start_bindings_and_block): New function.
12178 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12180 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12181 to match the format.
12183 1999-12-16 David S. Miller <davem@redhat.com>
12185 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12186 the outputs is a SUBREG.
12187 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12190 * config/sparc/sparc.c (epilogue_renumber): Add default case
12193 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12195 * toplev.c (rest_of_compilation): Run branch shortening after
12198 * regclass.c (loop_depth): Remove
12199 (scan_one_insn): Do not handle LOOP_NOTE insns.
12200 (regclass): Go through basic blocks and set loop_cost
12202 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12204 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12206 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12208 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12209 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12210 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12212 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12214 * loop.c (insert_loop_mem): Ignore memory clobbers.
12216 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12219 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12221 * profile.c: Remove redundant #include "output.h".
12223 * h8300.md (HImode preinc peephole): Fix typo.
12225 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12227 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12228 (insert_block_after_note): Abort if we don't have a previous block.
12229 Remove FN parameter.
12230 * function.h: Adjust.
12232 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12234 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12235 argument more than once.
12237 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12239 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12241 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12243 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12245 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12247 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12248 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12249 update stack_alignment_needed.
12250 (prepare_function_start): Initialize stack_alignment_needed
12251 * function.h (struct function): Add field stack_alignment_needed.
12253 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12255 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12256 Handle live_throughout / dead_or_set instead of live_before /
12258 (save_call_clobbered_regs): Get register livenessinformation from
12259 chain->live_throughout.
12260 (add_stored_regs): New function.
12261 (insert_restore, insert_save): Add restored / saved registers to
12263 * global.c (reg_dies): New parameter chain.
12264 (reg_becomes_live): Third parameter is regs_set now.
12265 Changed all callers.
12266 (reg_dies): New parameter chain. Changed all callers.
12267 (build_insn_chain): Set live_throughout instead of
12268 live_before / live_after.
12269 * reload.h (struct insn_chain): Replace members live_before /
12270 live_after with live_throughout / dead_or_set.
12271 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12272 instead of live_before / live_after.
12273 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12274 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12275 (choose_reload_regs_init): Likewise.
12276 * stupid.c (current_chain, find_clobbered_regs): Delete.
12277 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12278 instead of chain->live_before / chain->live_after.
12279 (mark_hard_ref): New function.
12280 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12282 1999-12-15 David S. Miller <davem@redhat.com>
12284 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12286 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12288 * flow.c (calculate_loop_depth): Make global, remove prototype,
12289 rewrite to use new loop infrastructure.
12290 (find_basic_block): Remove calculate_loop_depth call.
12291 * toplev.c (rest_of_compilation): Call find_basic_block.
12292 * output.h (calculate_loop_depth): Declare.
12294 * flow.c (dump_flow_info): Dump loop_depth.
12295 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12297 (flow_loops_find): Initialize the loop_depth for each basic block.
12299 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12301 * tree.c (decl_function_context): Handle virtual functions.
12303 * tlink.c (scan_linker_output): Don't look in demangled name when
12304 looking for linker output keywords.
12306 * dwarfout.c (output_type): We can defer namespace-scope classes.
12308 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12310 * regclass.c (record_reg_classes): Update comment for merging
12311 register class preferences in reg->reg copies. Tighten conditions
12312 for merging register class preferences in reg->reg copies.
12314 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12316 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12318 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12320 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12321 (INIT_SECTION_ASM_OP): Delete.
12322 (FINI_SECTION_ASM_OP): Delete.
12323 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12325 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12327 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12328 the abstract origin wasn't emitted.
12330 * dwarf2out.c (class_scope_p): New fn.
12331 (gen_subprogram_die): Use it.
12332 (gen_variable_die): Use it. Tweak logic.
12333 (gen_struct_or_union_type_die): Check context_die to determine
12334 if we're function-local.
12335 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12337 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12339 * loop.c (check_dbra_loop): Can't reverse a biv that has
12340 maybe_multiple set.
12342 1999-12-14 Nick Clifton <nickc@cygnus.com>
12344 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12347 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12349 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12350 for givs made from biv increments.
12352 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12354 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12355 * alpha.c (override_options): Recognize -mcpu=ev67.
12356 * alpha.h (CPP_CPU_EV67_SPEC): New.
12357 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12358 (EXTRA_SPECS): Update.
12360 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12362 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12363 appropriate for -lang-c89 and -std=*.
12364 * cppinit.c (cpp_handle_option): Likewise.
12365 (new_pending_define): New, split out from cpp_handle_option.
12366 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12367 or enable trigraphs for -ansi/-std=*.
12369 * ginclude/stdarg.h (__va_copy): New.
12370 (va_copy): Don't define for C89.
12372 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12374 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12375 for long long multiply-accumulate.
12377 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12379 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12380 optimizing for size.
12382 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12384 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12385 if something changed. Back out that part of yesterday's changes.
12387 * loop.c (loop_max_reg): New static variable.
12388 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12390 (scan_loop): Call reg_scan_update whenever we may have added new
12391 registers, and update loop_max_reg.
12393 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12395 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12396 when source does not die.
12398 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12400 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12402 * config/sparc/linux64.h (TARGET_LIVE_G0,
12403 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12405 * config/sparc/linux.h (TARGET_LIVE_G0,
12406 TARGET_BROKEN_SAVERESTORE): Likewise.
12407 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12408 TARGET_BROKEN_SAVERESTORE): Likewise.
12410 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12411 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12413 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12414 as sparc64 block profiling register.
12415 * config/sparc/sparc.c (sparc_override_options): Allow block
12416 profiling with -m32.
12417 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12418 profiling register.
12419 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12420 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12421 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12423 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12425 * config/sparc/sparc.h: Likewise.
12426 * config/sparc/xm-sysv4-64.h: Likewise.
12427 * config/float-sparc.h: Likewise.
12428 * glimits.h: Likewise.
12429 * longlong.h: Likewise.
12431 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12432 (ASM_IDENTIFY_GCC): Remove.
12434 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12436 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12437 (simplify_logical): Likewise.
12439 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12441 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12442 * cppfiles.c (INO_T_EQ): Likewise.
12444 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12446 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12447 * i386/mingw32.h (LIB_SPEC): Likewise.
12448 (STARTFILE_SPEC): Likewise.
12449 * i386/uwin.h (LIB_SPEC): Likewise.
12450 (STARTFILE_SPEC): Likewise.
12452 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12453 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12455 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12457 * combine.c (combine_simplify_rtx): Fix order of checks for
12458 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12460 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12462 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12463 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12465 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12467 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12469 * regclass.c (inv_reg_alloc_order): New array.
12470 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12472 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12473 counted_for_groups, counted_for_nongroups. Add fields rld and
12475 * reload.c (push_secondary_reload): Don't set nongroup field of
12477 (push_reload): Likewise.
12478 (find_reloads): Delete code to compute nongroup fields.
12479 * reload1.c (reload_insn_firstobj): New static variable.
12480 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12482 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12483 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12484 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12486 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12488 (struct hard_reg_n_uses): Deleted.
12489 (potential_reload_regs): Deleted.
12490 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12491 (reload): Don't try to allocate reload registers if we already know
12492 we have to make another pass. Call select_reload_regs. Free memory
12493 starting with reload_firstobj when starting another pass.
12494 Don't allocate spilled_pseudos.
12495 (calculate_needs_all_insns): Call copy_reloads for an insn that
12496 needs reloads; don't call calculate_needs.
12497 (spill_cost): New static array.
12498 (used_spill_regs_local): New static variable.
12499 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12500 to compute potential_reload_regs.
12501 (find_reload_regs): Completely rewritten to use find_reg.
12502 (allocate_reload_reg): Don't test counted_for_groups or
12503 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12504 all cllers changed.
12505 (choose_reload_regs): Add fallback code that uses the existing
12506 register allocation from find_reload_regs.
12508 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12510 * flow.c (create_edge_list): Cast xmalloc return value.
12512 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12514 * doprnt.c: Remove incorrect comment closure.
12516 * cse.c: Fix a few minor whitespace goofs.
12518 1999-12-13 Don Bowman <don@pixstream.com>
12520 * mips/vxworks.h: Fix problem with comment termination.
12521 (EXTRA_SECTIONS): Add in_sbss.
12522 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12524 1999-12-12 David S. Miller <davem@redhat.com>
12526 * cse.c (struct cse_reg_info): Add hash_next member,
12527 reorder rest of struct for better packing on 64-bit
12529 (cse_reg_info_tree): Kill.
12530 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12531 REGHASH_FN): New custom pow2 hash mechanism.
12533 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12534 use a pow2 hash table.
12535 (get_cse_reg_info): Rework to use new REGHASH.
12536 (new_basic_block): Likewise, use HASH_SIZE, and inline
12538 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12539 and inline free_element call.
12540 (lookup_as_function, insert, flush_hash_table, invalidate,
12541 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12542 invalidate_for_call, use_related_value, find_comparison_args,
12543 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12544 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12545 get_element): Kill.
12547 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12549 * cse.c (cse_basic_block): Free qty_table consistently.
12551 1999-12-12 David S. Miller <davem@redhat.com>
12552 Jakub Jelinek <jakub@redhat.com>
12554 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12555 SUBREGs by hand, gen the appropriate hard reg directly.
12556 (movtf reg/mem split): Likewise and alter_subreg on destination
12558 (movtf mem/reg split): Similarly.
12559 (movdf_cc_sp64): Rename from hidden pattern.
12560 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12561 (movtf_cc_sp64, following split): New pattern and splitter.
12562 (movdf_cc_reg_sp64): Rename from hidden pattern.
12563 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12565 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12567 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12569 * loop.c (load_mems): Don't hoist written floating point mem
12572 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12574 * except.h (struct eh_queue): Add `next' pointer.
12575 (struct eh_status): Make x_ehqueue a pointer.
12576 (push_ehqueue): Declare.
12577 (pop_ehqueue): Likewise.
12578 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12580 (expand_fixup_region_end): Likewise.
12581 (expand_leftover_cleanups): Likewise.
12582 (push_ehqueue): Define.
12583 (pop_ehqueue): Likewise.
12584 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12585 than doing it inline.
12586 (expand_start_all_catch): Adjust now that ehqueue is a
12588 (mark_eh_queue): Mark all level of the queue.
12589 (mark_eh_status): Adjust now that ehqueue is a
12591 (init_eh_for_function): Allocate ehqueue.
12592 (free_eh_status): Free it.
12593 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
12594 expansion for a fixup.
12596 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12598 * gthr-single.h (__gthread_active_p): Add prototype arguments.
12600 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
12601 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
12602 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
12603 function_ptr, getpagesize, __enable_execute_stack,
12604 __enable_execute_stack, __clear_insn_cache,
12605 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
12606 _cleanup, _exit, __default_terminate, __terminate_func,
12607 __terminate, __empty, __throw, new_eh_context,
12608 eh_context_initialize, eh_context_static, eh_context_specific,
12609 get_eh_context, __get_eh_context, __get_eh_info,
12610 init_reg_size_table, eh_threads_initialize,
12611 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
12612 __unwinding_cleanup, throw_helper, __throw, __rethrow,
12613 __pure_virtual): Add prototype arguments.
12614 (__bb_exit_func): Cast a sizeof to long when comparing against one.
12615 Cast a signed value to unsigned long when comparing against one.
12616 (new_eh_context): Wrap in _GTHREADS macro.
12617 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
12619 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
12620 (throw_helper): Initialize variables `handler_p' and `pc_p'.
12622 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12624 * combine.c (record_promoted_value): Remove unused variable
12627 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
12629 * global.c (record_conflicts): Likewise for `j'.
12631 * genoutput.c (output_insn_data): Don't unnecessarily cast away
12634 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12636 * i386-protos.h (output_387_binary_op, output_fix_trunc,
12637 output_fp_compare): Constify a char*.
12639 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
12641 (override_options, ix86_comp_type_attributes, print_operand,
12642 output_387_binary_op, output_fix_trunc, output_fp_compare):
12644 (ix86_sched_reorder): Mark parameter `clock_var' with
12647 * i386.h (DEBUG_PRINT_REG): Constify a char*.
12649 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
12651 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
12652 operand, for use in the Java front-end.
12654 1999-12-10 Ben Collins <bcollins@debian.org>
12656 * configure.in: Fix typo for "-64" in 64bit as check.
12657 * configure: Rebuilt.
12659 1999-12-10 Jakub Jelinek <jakub@redhat.com>
12661 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
12664 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12666 * c-parse.in (string): With -Wtraditional, warn if ANSI string
12667 concatenation is utilized.
12669 * invoke.texi (-Wtraditional): Document it.
12671 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12673 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
12674 Cast a ptrdiff_t to long and pass it to printf with %ld.
12676 1999-12-10 Geoff Keating <geoffk@cygnus.com>
12678 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
12679 68881, we have no 68881 registers at all.
12680 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
12681 value in a 68881 register if it is available.
12683 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
12685 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
12686 for long long multiply-accumulate.
12688 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12690 * loop.c (insert_loop_mem): Undo last change.
12692 1999-12-10 David S. Miller <davem@redhat.com>
12694 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
12696 * config/sparc/sparc-protos.h: Add them.
12697 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
12698 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
12699 constraints which use those helpers.
12700 (EXTRA_CONSTRAINT): Use this new macro.
12701 * md.texi: Update sparc target constraints documentation.
12702 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
12703 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
12704 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
12705 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
12706 (movsf high/lo_sum split): Rework for new patterns.
12707 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
12709 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12711 * c-common.c (c_common_nodes_and_builtins):
12712 Create __builtin_ptrdiff_t and __builtin_size_t.
12714 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
12716 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
12718 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12720 * regclass.c (globalize_reg): Re-instate test that allows
12721 fixed registers to be declared as a variable even after functions
12724 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12726 * i386.md (cpu attribute): Add "athlon".
12727 (athlon_decode): New attribute.
12728 (Athlon scheduling units definitions): New.
12729 (fcmp and shld patterns): Set athlon_decode to "vector".
12730 * i386.c (athlon_cost): New.
12732 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
12733 x86_use_sahf): Set for Athlon.
12734 (x86_use_fiop): Unset for Athlon.
12735 (override_options): Define Athlon alignments and "athlon" name.
12736 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
12737 * i386.h (TARGET_ATHLON): New.
12738 (enum processor_type): Add PROCESSOR_ATHLON.
12739 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
12741 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
12743 1999-12-09 Andreas Jaeger <aj@suse.de>
12745 * loop.c (record_biv): Declare parameter as int.
12747 * config/i386/i386-protos.h: Declare long_memory_operand.
12749 1999-12-09 Mark Mitchell <mark@codesourcery.com>
12751 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
12752 EXPR_WITH_FILE_LOCATION.
12754 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12756 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
12759 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
12761 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
12764 1999-12-09 Jakub Jelinek <jakub@redhat.com>
12766 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
12767 default on linux64 again.
12768 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
12769 models for multilibing.
12770 * genmultilib: Accept | as alternative separator within a set in
12773 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
12775 * calls.c (precompute_arguments): Make sure initial_value contains
12776 value pseudo which CSE expects.
12777 * cse.c (struct set): New entry orig_src.
12778 (cse_insn): Set it early on entry, use it for libcall EQUIV note
12781 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
12783 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
12785 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
12787 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
12789 1999-12-08 Jakub Jelinek <jakub@redhat.com>
12791 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
12792 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
12794 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
12797 * longlong.h: Merge in changes from glibc.
12798 Also don't clobber %g2 register in 32bit SPARC assembly, so that
12799 -mno-app-regs libgcc can be compiled.
12800 * libgcc2.c: Add defines so that the updated longlong.h
12801 can be used in libgcc2.a. Also, make sure on most architectures
12802 (at least on all which have optimized code in longlong.h defined
12803 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
12805 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12807 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
12808 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
12809 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
12811 * configure: Rebuilt.
12813 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
12815 * alpha.c (secondary_reload_class): For !BWX, sub-simode
12816 outputs require a register.
12818 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
12820 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
12821 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
12822 functions like dptoul will be resolved.
12823 (libgcc2.a): Make sure that the object files from DPBIT are named
12824 differently (prefix `_dp') from those that would be coming from
12827 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
12829 * configure.in: When target is sparc* and tm_file contains 64,
12830 test for 64bit support in assembler. If not supported, remove
12831 sparc/t-sol2-64 from target-dependent Makefile fragments.
12832 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
12833 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
12834 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
12835 * acconfig.h (AS_SPARC64_FLAG): Added.
12836 * configure, config.in: Rebuilt.
12837 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
12838 support. Use AS_SPARC64_FLAG.
12840 1999-12-07 Jakub Jelinek <jakub@redhat.com>
12842 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
12843 suitable for holding OFmode values so that gcc works with complex
12845 (hard_64bit_mode_classes): Likewise.
12847 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
12848 so that it is actually matched.
12849 (sethi_di_medlow): Likewise.
12851 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
12852 as legitimate constant if -mvis.
12853 * config/sparc/sparc.md (movtf): Likewise.
12854 (clear_sf): Use const_double_operand.
12855 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
12857 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
12858 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
12859 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
12860 routines, _Qp_* cannot be handled like that now.
12861 (INIT_TARGET_OPTABS): Likewise.
12862 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
12863 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
12864 sparc_emit_float_lib_cmp if ARCH64 and soft float.
12865 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
12866 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
12867 divtf3, sqrttf3): New expanders.
12868 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
12869 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
12870 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
12873 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
12874 * configure: Rebuilt.
12875 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
12876 -mcpu is given and we're doing 64bit compiles.
12878 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
12880 * loop.h (struct induction): Add multi_insn_incr.
12881 * loop.c (basic_induction_var): New multi_insn_incr argument.
12882 Set it if we search back through previous insns for the biv.
12883 (record_biv): New multi_insn_incr argument; fill in struct induction.
12884 (strength_reduce): Discard an iv with multiple bivs, any of
12885 which require multiple insns to increment.
12887 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12889 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
12892 1999-12-06 David S. Miller <davem@redhat.com>
12894 * combine.c (check_promoted_subreg): Do not conditionalize this upon
12895 PROMOTE_FUNCTION_RETURN.
12897 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
12899 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
12900 and handle REG_UNUSED note on insn.
12902 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
12903 inner_mask instead of mask.
12905 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
12907 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
12908 zero if there was an error.
12910 1999-12-06 Jakub Jelinek <jakub@redhat.com>
12912 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
12915 * longlong.h: Fix clobbers in SPARC asm statements.
12917 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
12918 valid sethi operations when TARGET_ARCH64.
12920 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
12921 always use move_by_pieces to avoid infinite recursion.
12922 (restore_fixed_argument_area): Likewise.
12924 * combine.c (check_promoted_subreg, record_promoted_value): New
12926 (combine_instructions): Use them to retain nonzero and sign bit
12927 information after SUBREGs are eliminated by optimizations in
12928 this pass if PROMOTE_FUNCTION_RETURN.
12930 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
12931 .register declaration. Don't use variables with __ prefixes.
12933 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12935 * fold-const.c (optimize_bit_field_compare): Only use one mode
12936 for both RHS and LHS in non-constant case.
12938 1999-12-06 Nathan Sidwell <nathan@acm.org>
12940 * frame.c (start_fde_sort): Only allocate erratic array, if
12941 linear one was allocated. Return allocated flag.
12942 (fde_insert): Only insert, if there's a valid array.
12943 (fde_end_sort): Split, sort and merge if linear and erratic
12944 arrays exist, else just sort linear one.
12945 (search_fdes): New function. Linear search through original fde
12947 (frame_init): Permit multiple initializations. Cope with
12949 (find_fde): Fallback on linear search, if failed to sort array.
12950 (__deregister_frame_info): Only free sorted array, if we
12953 1999-12-06 Jakub Jelinek <jakub@redhat.com>
12955 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
12957 1999-12-05 Jakub Jelinek <jakub@redhat.com>
12959 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
12961 1999-12-05 Mark Mitchell <mark@codesourcery.com>
12963 * tree.h (special_function_p): Declare.
12964 * calls.c (special_function_p): Make it global. Don't take `name'
12965 as a parameter. Fix typo in 1999-11-28 change.
12966 (expand_cal): Adjust.
12968 1999-12-04 Mark Mitchell <mark@codesourcery.com>
12970 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
12971 * tree.h (EXPR_WFL_FILENAME): Define in terms of
12972 EXPR_WFL_FILENAME_NODE.
12973 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
12975 * print-tree.c (print_note): Print TREE_PRIVATE and
12978 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
12979 the original die cannot be found.
12981 * varray.h (varray_head_tag): Add elements_used.
12982 (VARRAY_PUSH): New macro.
12983 (VARRAY_POP): Likewise.
12984 (VARRAY_TOP): Likewise.
12985 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
12987 * varray.c (varray_init): Initialize elements_used.
12988 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
12989 (INTEGRATE_H): New variable.
12990 (integrate.o): Depend on INTEGRATE_H.
12991 (unroll.o): Likewise.
12993 * function.h (insert_block_after_note): Declare.
12994 * function.c (insert_block_after_note): Split out from ...
12995 (retrofit_block): ... here.
12997 * stmt.c (expand_fixup): Fix typo in comment.
12999 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13001 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13002 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13003 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13004 (regmove_optimize, fixup_match_1): Likewise.
13006 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13008 * flow.c (flow_loops_dump): Add missing argument when calling
13009 flow_loop_nested_p.
13011 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13012 Greg McGary <gkm@gnu.org>
13014 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13015 (init_attributes): Add A_NO_LIMIT_STACK.
13016 (decl_attributes): Handle A_NO_LIMIT_STACK.
13017 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13018 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13019 Handle stack bounds checking.
13020 * flags.h (flag_stack_check): Use the word 'probe' rather than
13021 'check', because the flag doesn't actually cause any checking to
13023 * function.c (expand_function_start): Set
13024 current_function_limit_stack.
13025 * function.h (struct function): Add limit_stack.
13026 (current_function_limit_stack): Define.
13027 * invoke.texi (Code Gen Options): Document new options.
13028 * rtl.h: Declare stack_limit_rtx.
13029 * toplev.c (stack_limit_rtx): New variable.
13030 (decode_f_option): Handle new options -fstack-limit-register=REG,
13031 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13032 (main): Add stack_limit_rtx as GC root.
13033 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13034 (struct tree_decl): New member no_limit_stack.
13036 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13038 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13039 (conditional_trap+1): Get new mnemonic correct.
13040 (conditional_trap+2): New pattern for DImode traps.
13042 * config/m68k/m68k.c (output_function_prologue): Handle
13044 * config/m68k/m68k.md (trap): New insn.
13045 (conditional_trap): New insn.
13046 * md.texi (Standard Names): Document `trap' and
13047 `conditional_trap'.
13048 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13049 so a cc0 setter doesn't get emitted at some random place in the
13052 * config/i960/i960.md (trap): New insn.
13053 (conditional_trap): New expander.
13054 (conditional_trap+1, conditional_trap+2): New insns for signed
13055 and unsigned cases.
13056 * config/i960/i960.c (i960_function_prologue): Use
13057 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13059 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13060 Geoffrey Keating <geoffk@cygnus.com>
13062 * flags.h (warn_padded, warn_packed): Add global var decls.
13063 * toplev.c (warn_padded, warn_packed): Add global var defns.
13064 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13065 * stor-layout.c (layout_record): Add local variable `type'
13066 to hold often-used TREE_TYPE (field). Add local variable
13067 `unpacked_align' to hold alignment that would be in force
13068 if no `packed' attribute were present. Warn if `packed' attribute
13069 is unnecessary, or even harmful. Warn when gcc inserts padding
13070 to satisfy alignment requirements of members. Use NULL_TREE
13071 when checking whether var_size is set.
13072 * invoke.texi: Document new flags.
13074 1999-12-03 Nathan Sidwell <nathan@acm.org>
13076 * frame.c (fde_split): Reimplement to avoid variable sized array.
13078 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13080 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13081 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13083 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13085 * invoke.texi: Document the mips option -mno-crt0
13087 1999-12-02 Mike Karr <mkarr@mathworks.com>
13089 * cccp.c (argdata): Added free_ptr member.
13090 (macroexpand): Initialize free_ptr of each argument. When an
13091 argument's buffers are freed, if the argument's free_ptr corresponds
13092 to a buffer on the input stack, then return the free_ptr to that stack
13093 frame, otherwise, free it.
13094 (macarg): If an argument begins and ends on the same input stack level,
13095 then transfer the free_ptr of that buffer to the argument in case
13096 the stack is popped during the processing of a subsequent argument.
13098 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13100 * loop.c (note_reg_stored): New function.
13101 (struct note_reg_stored_arg): New structure.
13102 (try_copy_prop): Change to be more conservative; only replace within
13103 one extended basic block and stop replacing if a store to the
13104 replacement reg is seen.
13106 1999-12-02 Nick Clifton <nickc@cygnus.com>
13108 * config/fp-bit.c: Initialise all fields of the NAN
13111 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13114 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13116 * i386.md (extend?f?f2): Force the input into a register, not
13119 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13121 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13123 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13124 alternative because setting up 64bit constant is usually costly,
13125 especially when reload is in progress or completed.
13126 (movdf_const_intreg_sp64): Likewise.
13127 (movdf_const_intreg split): Fix building up constants when
13128 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13130 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13132 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13133 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13136 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13137 (asm_file_start): Emit .am33 into assembly file when compiling for
13139 (print_operand_address): Handle POST_INC addresses.
13140 (can_use_return_insn, initial_offset): Check AM33 registers too.
13141 (expand_prologue): Check & save AM33 registers too.
13142 (expand_epilogue): Similarly.
13143 (secondary_reload_class): Handle AM33 specific secondary reloads.
13144 (output_tst): Emit efficient code for the AM33 too.
13145 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13146 (TARGET_SWITCHES): Add -mam33 switch.
13147 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13148 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13149 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13150 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13151 (enum reg_class, REG_CLASS_NAMES): Likewise.
13152 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13153 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13154 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13155 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13156 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13157 (HAVE_POST_INCREMENT): Define.
13158 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13159 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13160 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13161 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13162 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13163 (zero_extend to SI from QI/HI): Likewise.
13164 (sign_extend to SI from QI/HI): Likewise.
13165 (mulsidi3, umulsidi3): New patterns for the AM33.
13166 (tstsi with zero extension from QI/HI): Add AM33 variants.
13167 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13168 (return_internal_regs, store_movm): Handle new AM33 registers.
13169 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13170 (LIBGCC, INSTALL_LIBGCC): Likewise.
13171 * invoke.texi: Document new flags.
13173 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13175 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13176 (addsi3_carry): Likewise.
13177 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13178 (sbbsi3_carry): Likewise.
13179 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13180 (mulhi3): Likewise.
13181 (test?i_1): Ensure that only one operand is memory.
13182 (conditional move patterns): likewise.
13183 (shift and rotate patterns): Rewrite to expander, add
13184 "binary_operator_ok" to the condition.
13186 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13187 * i386.h (procesor_costs): Add movzbl_load field.
13188 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13189 non-Q registers, accept DImode registers anywhere.
13191 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13192 * i386.c (*_cost): Set value for movxbl_load field.
13194 * (addsi): New add to lea splitter.
13195 (ashlsi): Likewise.
13196 (lea to add/shift peep2): New.
13198 1999-12-01 Mark Salter <msalter@cygnus.com>
13200 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13201 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13202 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13204 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13206 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13207 * i386.md (movsi_xor): New.
13209 (movsi_1, movhi_1, movqi_1): Remove.
13210 (movsi_2): Rename to movsi_1.
13211 (movhi_2): Rename to movhi_1.
13212 (movqi_2): Rename to movqi_1.
13213 (movdi_1): Remove; remove splitter.
13214 (movdi_2): Rename to movdi_1.
13215 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13216 (long move peep2): Do not create QI or HI mode mov0s
13217 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13219 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13222 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13223 (abs?f2_if): Likewise.
13225 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13227 * ggc.h (ggc_test_and_set_mark): New macro.
13228 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13229 (ggc_mark_tree): Likewise.
13230 (ggc_mark_rtvec): Likewise.
13231 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13233 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13235 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13237 (decl_scope_table): Just an array of trees now.
13238 (push_decl_scope): Simplify.
13239 (dwarf2out_init): Adjust.
13240 (local_scope_p): New fn.
13241 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13242 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13243 (gen_typedef_die): Likewise.
13244 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13245 (gen_inlined_subroutine_die): Likewise.
13246 (gen_abstract_function): Set current_function_decl temporarily.
13247 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13248 Handle block extern declarations. Don't call push/pop_decl_scope.
13249 (gen_decl_die): Fix logic for block externs.
13251 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13253 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13254 to the list of functions which have attribute malloc by default.
13256 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13258 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13259 integer constant does not match the traditional type, limit the
13260 warnings to cases where the base of the type is ten.
13262 * invoke.texi (-Wtraditional): Document it.
13264 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13266 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13267 * rs6000.md: Only access a CONST_INT with INTVAL
13269 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13271 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13272 (compute_nearerout): Likewise.
13273 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13274 size_t to unsigned long for formatting.
13276 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13278 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13279 Allow the user to override call-used/fixed state of %g2-5
13280 registers from the command line (with the exception of %g4 for
13282 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13283 there is a higher chance of having a leaf function.
13284 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13285 for ARCH64 which has %ccr register.
13286 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13288 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13289 insn accept into delay slot any insn which does not use %[ol]
13290 registers. Accept some LO_SUM and shift left by 1 for the normal
13292 (output_function_epilogue): Likewise.
13293 (epilogue_renumber): Added argument which inhibits any renumbering
13294 and just tests if the rtx does not use any %[ol] registers.
13295 (output_return): Reflect above change.
13297 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13299 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13300 aggregate passing for sizes <= 16 bytes.
13302 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13304 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13305 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13306 * reload.c (find_dummy_reload): Likewise.
13307 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13308 * reload1.c (reload_as_needed): Likewise.
13309 * stupid.c (stupid_find_reg): Likewise.
13310 * tm.texi (Obsolete Register Macros): Delete section.
13311 * gmicro.h: Remove all traces of the two macros.
13312 * i386.h: Likewise.
13313 * m88k.h: Likewise.
13314 * mips.h: Likewise.
13316 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13318 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13319 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13320 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13321 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13322 units for the sparclite86x chip.
13323 (flush): Revert October 14th change; add SImode specifically.
13324 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13325 * invoke.texi: Document it.
13327 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13329 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13330 psimode_truncation_operand.
13332 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13333 function. Return true if the operand is either a MEM valid
13334 for a PSImode address or not a MEM at all.
13336 * config/mn10200/mn10200.md (truncsipsi2): Use
13337 psimode_truncation_operand.
13339 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13341 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13342 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13343 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13344 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13345 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13346 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13347 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13348 * basic-block.h: Protect from multiple inclusion.
13349 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13350 (struct loops, struct loop): Define structures.
13351 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13352 * sbitmap.h: Protect from multiple inclusion.
13353 (sbitmap_a_subset_b_p): Add prototype.
13354 * Makefile.in (LOOP_H): New macro.
13355 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13357 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13359 * cppinit.c (CAT): The argument list of this macro may not contain
13362 1999-11-29 David S. Miller <davem@redhat.com>
13364 Move quantity tables and register equivalence chains into
13365 per-qty and per-register structure arrays respectively.
13366 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13367 qty_const_insn, qty_comparison_code, qty_comparison_const,
13368 qty_comparison_qty): Delete, replace with...
13369 (qty_table): this structure table.
13370 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13371 (reg_eqv_table): this structure table.
13372 (make_new_qty): Add argument MODE. Caller updated.
13373 Update to use qty_table and reg_eqv_table.
13374 (make_regs_eqv, delete_reg_equiv, insert_regs,
13375 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13376 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13377 cse_process_notes, cse_main, cse_basic_block): Likewise.
13379 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13381 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13382 operation if C is negative.
13383 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13384 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13385 law for some divisions if constant is negative and change other
13386 divisions to the opposite rounding.
13388 * expr.c (store_constructor_field): If bit position is not multiple
13389 of alignment of TARGET's mode, use BLKmode.
13391 * expr.c (expand_expr_unaligned): Add more code from full case
13392 that is needed when OP0 is in a register.
13394 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13396 * dwarfout.c (field_byte_offset): Size can be zero if there was
13399 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13401 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13402 (associate_trees): Delete unused var TEM.
13403 (extract_muldiv): Delete unused var CANCEL_P.
13405 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13406 (target_isinf, target_isnan, target_negative): Add return types to
13407 function definitions.
13409 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13411 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13412 * fixinc/hackshell.tpl: ditto
13413 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13414 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13416 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13418 * reload.c (push_reload): When looking for a register to put into
13419 reg_rtx, make sure all hard regs in a multi-reg register are in the
13420 right class and nonfixed.
13422 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13423 pending_read_insns, pending_write_insns, pending_read_mems,
13424 pending_write_mems, pending_list_length, last_pending_memory_flush,
13425 last_function_call, sched_before_next_call): Move static variables
13427 (bb_ prefixed versions): Replace with single array bb_deps.
13428 (struct deps): New structure.
13429 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13430 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13431 argument of type "struct deps *"; use that instead of global
13432 variables. All callers changed.
13433 (init_rgn_data_dependencies): Delete function.
13434 (init_rtx_vector): Delete function.
13435 (init_deps): New function.
13437 (free_pending_lists): Simplify, we always use the bb_deps array even
13438 if only one basic block.
13439 (compute_block_backward_dependences): Likewise.
13440 (schedule_region): Likewise.
13442 (propagate_deps): New function, broken out of
13443 compute_block_backward_dependences.
13444 (compute_block_backward_dependences): Use it.
13446 * alpha.md: Delete useless patterns that tried to work around
13447 register elimination problems.
13449 * unroll.c (loop_iterations): Don't abort if iteration variable
13452 From Joern Rennecke:
13453 * reload1.c (reloads_conflict): Reverse test comparing operand
13454 numbers when testing for conflict between output/outaddr reloads.
13456 1999-11-29 David S. Miller <davem@redhat.com>
13458 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13460 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13462 1999-11-28 Robert Lipe <robertl@cygnus.com>
13464 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13465 table from .fini into .dtor.
13467 1999-11-28 Anthony Green <green@cygnus.com>
13469 * tree.h (struct tree_decl): Add malloc_flag.
13470 (DECL_IS_MALLOC): Define.
13471 * c-common.c (attrs): Add A_MALLOC attribute.
13472 (init_attributes): Add this attribute to the table.
13473 (decl_attributes): Handle malloc attribute.
13474 * calls.c (special_function_p): Check for the malloc attribute.
13475 * extend.texi (Function Attributes): Document malloc attribute.
13477 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13479 * pa.md (reload shift-add patterns): Remove.
13481 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13483 * reorg.c (dbr_schedule) Print more statistics. Corrected
13484 problem when printing info when 3 delay slots are filled.
13486 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13488 * combine.c (setup_incoming_promotions): Pass an outgoing
13489 regno to FUNCTION_ARG_REGNO_P which it expects.
13491 1999-11-28 Andreas Jaeger <aj@suse.de>
13493 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13495 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13497 * cccp.c (do_include): Avoid initialization of automatic variable.
13499 * integrate.c (mark_stores): Function definition made void, to match
13500 previous declaration.
13501 * regclass.c (dump_regclass): Ditto.
13502 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13504 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13506 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13507 known to be multiple of divisor.
13509 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13511 * combine.c (try_combine): Add code to try to merge a set of a
13512 two-word pseudo to a constant with a setting of one of those words
13515 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13516 (split_tree): Completely rework to make more general.
13517 (make_range, fold): Call negate_expr.
13518 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13519 (fold, associate): Call new split_tree and associate_trees.
13520 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13522 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13524 * loop.c (try_copy_prop): Avoid GNU C extension.
13526 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13528 * except.c (init_eh_for_function): Still zero eh_return_context,
13529 eh_return_stack_adjust, and eh_return_handler.
13531 * except.h (eh_status): Adjust documentation for x_protect_list.
13532 (begin_protect_partials): New function.
13533 * except.c (enqueue_eh_entry): Fix formatting.
13534 (get_first_handler): Add consistency check.
13535 (add_partial_entry): Adjust usage of protect_list.
13536 (emit_cleanup_handler): Save and restore ehqueue.
13537 (expand_start_all_catch): Add comment.
13538 (begin_protect_partials): New function.
13539 (end_protect_partials): Adjust usage of protect_list.
13540 (init_eh_for_function): Use xcalloc.
13542 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13544 * c-common.c (check_format_info): Don't call a variadic function
13545 with a non-literal format string.
13547 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13549 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13550 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13553 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13556 * collect2.c (collect_wait): Likewise.
13558 * dbxout.c (dbxout_type): Likewise.
13560 * gcc.c (do_spec_1): Likewise.
13562 * genemit.c (gen_insn, gen_expand): Likewise.
13564 * genrecog.c (write_switch, write_subroutine): Likewise.
13566 * mips-tfile.c (catch_signal, botch): Likewise.
13568 * print-rtl.c (print_rtx): Likewise.
13570 * toplev.c (default_print_error_function, report_error_function,
13571 _fatal_insn): Likewise.
13573 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13575 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13577 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13579 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13580 operations when needed.
13581 * i386.md (fop_?f_comm): New.
13582 (fop_?f_1): Do not accept commutative operands.
13584 1999-11-25 Andreas Jaeger <aj@suse.de>
13586 * config/mips/mips.md (casesi_internal): Add missing brace.
13588 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
13590 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
13591 (splice_child_die): Handle moving a child DIE from the declaration
13592 DIE of a class to its specification.
13593 (gen_struct_or_union_type_die): Use 'complete' consistently.
13594 (gen_decl_die): Generate the virtual context DIE first.
13595 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
13597 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
13599 * config/mips/mips.md (call_value_multiple_interanal1): New.
13601 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
13603 * dwarf2out.c (free_AT, free_die): New fns.
13604 (remove_children): Call them.
13605 (output_line_info): Disable removal of duplicate notes.
13607 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
13608 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
13609 means pretend the type isn't defined.
13610 Don't defer emitting types.
13611 (gen_type_die_for_member): New fn.
13612 (gen_decl_die): Call it.
13613 (splice_child_die): New fn.
13614 (gen_member_die): Call it rather than generate duplicate dies.
13616 Defer emitting information for the abstract instance of an inline
13617 until we either inline it or emit an out-of-line copy.
13618 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
13619 from output_inline_function if DECL_ABSTRACT is also set.
13620 (block_ultimate_origin): Likewise.
13621 (gen_abstract_function): New fn.
13622 (gen_decl_die, gen_inlined_subroutine_die): Call it.
13623 (gen_subprogram_die): An abstract instance is not a declaration
13624 just because it doesn't match current_function_decl. Don't abort
13625 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
13626 has an abstract origin.
13627 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
13628 abstract instance here.
13630 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
13632 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
13633 where we need to reload fpul from a system register.
13635 1999-11-24 Andreas Jaeger <aj@suse.de>
13637 * config/mips/linux.h (CPP_PREDEFINES): Added.
13638 (LINK_SPEC): Remove -Y since this is only needed on sparc.
13640 1999-11-24 Andreas Jaeger <aj@suse.de>
13642 * config/mips/linux.h (TARGET_VERSION): Added.
13643 (HANDLE_SYSV_PRAGMA): Added.
13644 (DEFAULT_VTABLE_THUNKS): Added.
13646 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13648 * local-alloc.c (qty): New structure and static variable.
13649 (qty_phys_reg): Remove, all references changed to qty.
13650 (qty_n_refs): Likewise.
13651 (qty_min_class): Likewise.
13652 (qty_birth): Likewise.
13653 (qty_death): Likewise.
13654 (qty_size): Likewise.
13655 (qty_mode): Likewise.
13656 (qty_n_calls_crossed): Likewise.
13657 (qty_alternate_class): Likewise.
13658 (qty_changes_size): Likewise.
13659 (qty_first_reg): Likewise.
13660 (alloc_qty): Rename variable QTY to QTYNO.
13661 (finf_free_reg): Likewise.
13662 (local_alloc): Allocate qty, do not allocate the removed variables.
13664 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
13666 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
13667 when -membedded-pic is passed.
13669 * config/mips/mips.md (casesi): Handle 64-bit case too.
13670 (casesi_internal_di): New insn.
13672 * config/mips/mips.c (embedded_pic_offset): Always make the
13673 embedded-pic subtractions relative to the name of the current
13674 function by use of the magic string "..CURRENT_FUNCTION".
13675 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
13677 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
13679 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
13680 of (const_int 0), when what we really care about is
13681 whether it's a zero constant anyway.
13682 (div_trap_mips16): Likewise.
13684 1999-11-23 Mark Mitchell <mark@codesourcery.com>
13686 * loop.c (loop_optimize): Always find_loop_tree_blocks and
13687 unroll_block_trees when generating debuggable code.
13689 * tree.h (unsave_expr_1): New function.
13690 (lang_unsave): New variable.
13691 (get_callee_fndecl): New function.
13692 * tree.c (unsave_expr_now_r): New function.
13693 (lang_unsave): Define.
13694 (unsave_expr_1): Likewise.
13695 (unsave_expr_now_r): Split out from unsave_expr_now.
13696 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
13697 call unsave_expr_now_r.
13698 (get_callee_fndecl): Define.
13700 * Makefile.in (gencheck): Don't depend on lang_tree_files.
13701 (gencheck.o): Do depend on lang_tree_files.
13703 * integrate.h (copy_decl_for_inlining): New declaration.
13704 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
13705 (copy_decl_for_inlining): New function.
13706 (integrate_parm_decls): Use it.
13707 (integrate_decl_tree): Likewise.
13709 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
13711 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
13712 the second two from the first.
13713 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
13714 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
13715 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13717 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
13718 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13721 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
13723 * pa.md (call_internal_symref, call_value_internal_symref): No mode
13724 needed on the address operand.
13725 * pa.c (call_operand_address): Check for the correct mode.
13727 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
13729 * loop.c: Include "basic-block.h".
13730 (try_copy_prop, replace_loop_reg): New functions.
13731 (load_mems): Detect registers that just hold copies of the hoisted
13732 mem, and call try_copy_prop to eliminate them.
13733 * Makefile.in (loop.o): Update dependencies.
13735 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
13737 * Makefile.in (gencheck.o): Depend on gencheck.h.
13738 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
13739 (insn-peep.o): Depend on except.h and function.h.
13740 (insn-attrtab.o): Depend on RECOG_H.
13741 (insn-output.o): Depend on toplev.h and flags.h.
13742 (gengenrtl.o): Depend on real.h.
13743 (gen-protos.o): Depend on cpplib.h and cpphash.h.
13744 Unify all dependencies to be on RECOG_H rather than recog.h.
13746 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13748 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
13749 * configure.in: Try building a bi-arch 32/64-bit compiler on
13750 sparc-*-solaris2.7 and higher.
13751 * configure: Rebuild.
13753 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
13755 * config/freebsd.h: New, FreeBSD architecture independent file.
13756 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
13757 independent pieces.
13758 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
13759 directly by i386/freebsd.h.
13760 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
13761 independent configuration file.
13762 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
13763 directly by i386/freebsd.h.
13764 * configure: Rebuilt.
13766 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
13767 which is in the user's namespace.
13768 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
13769 `i386' which is not in our namespace.
13771 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
13773 * invoke.texi (ARM Options): Add in -mno-alignment-traps
13775 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13777 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
13778 (add_dwarf_attr, add_child_die): Just push onto the front.
13779 (reverse_die_lists): New fn.
13780 (add_sibling_attributes): Use it.
13781 (push_decl_scope): Reorganize.
13782 (add_name_and_src_coords_attributes): Don't set file and line for
13783 an artificial decl.
13784 (gen_subprogram_die): An artificial function doesn't need to match
13786 (gen_compile_unit_die): Return the generated die. Only add
13787 AT_comp_dir if the filename is relative.
13788 (remove_AT): Simplify loop. Also free string values.
13789 (output_die): A DIE ref can't be null.
13790 (output_value_format, value_format): Take a dw_attr_ref.
13791 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
13792 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
13793 AT_addr, AT_lbl): New fns.
13794 (various): Use them.
13795 (various): Constify.
13797 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13799 * combine.c (combine_simplify_rtx): When handling a SUBREG,
13800 take SUBREG_WORD into account.
13801 (if_then_else_cond): Likewise.
13803 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13805 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
13806 clause from BSD license, pursuant with
13808 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
13810 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
13812 * loop.c (load_mems): Reformat slightly.
13813 * basic-block.h (regset_head): New typedef.
13814 (INIT_REG_SET): New macro.
13816 1999-11-22 Bruce Korb <autogen@linuxbox.com
13818 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
13819 (mips-dec-bsd*): non-functional code
13820 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
13822 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
13823 added three replacement fixes
13824 (no_double_slash): removed comments that are not (any longer) pertinent
13825 (bad_lval): this fix currently runs against many files.
13826 The comment seems to indicate that we should select for files
13827 containing 'pragma extern_prefix'.
13829 * fixinc/fixinc.x86-linux-gnu: deleted
13830 * fixinc/inclhack.sh: regen
13831 * fixinc/fixincl.x: regen
13832 * fixinc/fixincl.sh: regen
13834 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
13836 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
13837 its code is INSN and it has no notes.
13839 1999-11-22 Andrew Haley <aph@cygnus.com>
13841 * varasm.c (function_defined): Remove.
13842 (make_function_rtl): Don't set function_defined.
13843 (make_decl_rtl): Remove global register warning.
13844 * regclass.c (no_global_reg_vars): New variable.
13845 (globalize_reg): Warn if function has already been defined.
13846 (regclass_init): Set no_global_reg_vars.
13848 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13850 * regclass.c (reg_pref): New structure and static variable
13851 (prefclass): Delete.
13852 (altclass): Delete.
13853 (all uses of prefclass and altclass): Use reg_pref instead.
13855 1999-11-21 Nick Clifton <nickc@cygnus.com>
13857 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
13859 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
13860 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
13861 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
13863 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
13865 * varasm.c (output_constructor): Solve problem with long long
13866 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
13868 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13870 * global.c (allocno): New structure and static variable.
13871 (allocno_reg): Remove, all references replaced by allocno.
13872 (allocno_size): Likewise.
13873 (hard_reg_conflicts): Likewise.
13874 (hard_reg_preferences): Likewise.
13875 (hard_reg_copy_preferences): Likewise.
13876 (hard_reg_full_preferences): Likewise.
13877 (regs_someone_prefers): Likewise.
13878 (allocno_calls_crossed): Likewise.
13879 (allocno_n_refs): Likewise.
13880 (allocno_live_length): Likewise.
13881 (find_reg): Rename ALLOCNO to NUM.
13883 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
13884 references updated.
13885 (may_move_out_cost): New variable.
13886 (init_reg_sets_1): Initialize may_move_out_cost.
13887 (record_reg_classes): Use may_move_out_cost.
13889 * regclass.c (dump_regclass): New function.
13890 (regclass): New parameter DUMP, call DUMP_REGCLASS.
13891 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
13892 pass rtl_dump_file to regclass.
13893 * rtl.h (regclass): Update prototype.
13895 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13897 * i386.md (neg, not and abs patterns): Revmap to use
13898 ix86_expand_unary_operator and ix86_unary_operator_ok.
13899 (add?f and sub?f expanders): Force operand 1 to register.
13900 * i386.c (ix86_expand_unary_operator): Rewrite.
13901 (ix86_unary_operator_ok): Ensure that memory operands
13903 (ix86_binary_operator_ok): Do not allow operand 1 to
13904 come into memory and operand 0 not.
13905 (ix86_expand_binary_operator): Ensure that
13906 src1 is not non-matching memory.
13908 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
13909 to support integer registers and memory.
13910 (abss?2_integer): Likewise.
13912 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
13913 (REG_CLASS_NAMES): Likewise.
13914 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
13916 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
13917 (movsf): Likewise; unify 4th and 5th alternative.
13918 (pushdf): Likewise.
13919 (movdf_1): Likewise; rename to movdf_integer.
13920 (pushxf): Likewise; rename to pushxf_integer; fix output template;
13921 remove redundant splitter.
13922 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
13923 (movdf_nointeger): New.
13924 (movxf_nointeger): New.
13925 (pushxf_nointeger): New.
13927 * i386.md (extend?f?f): Split to expander and pattern, refuse two
13928 memory operands in patterns.
13929 (fop*): Refuse two memory operands.
13931 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
13932 on !TARGET_USE_CLTD CPUs.
13934 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
13936 * extend.texi: Document C++ restricted pointers and references.
13938 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
13940 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
13941 (invalidate_skipped_set): Call it unconditionally.
13942 (cse_set_around_loop): Likewise.
13944 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13946 * rtl.texi (mem): Add documentation for alias-set argument
13949 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13951 * i386.h (struct_processor_costs): New fields int_load, int_store,
13952 fp_move, fp_load and fp_store
13953 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
13955 (MEMORY_MOVE_COST): New macro.
13956 * i386.c (386_cost): Define new fields.
13957 (i486_cost): Likewise.
13958 (pentium_cost): Likewise.
13959 (pentiumpro_cost): Likewise.
13960 (k6_cost): Likewise.
13962 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
13963 Geoffrey Keating <geoffk@cygnus.com>
13965 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
13967 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
13970 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
13971 (TARGET_STRICT_ALIGNMENT): New macro.
13972 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
13973 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
13974 * invoke.texi (M680x0 Options): Document -mstrict-align.
13976 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
13977 Richard Henderson <rth@cygnus.com>
13979 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
13980 (ix86_split_long_move): Declare.
13981 * i386.c (split_xf, ix86_split_movdi): Remove.
13982 (ix86_split_to_parts, ix86_split_long_move): New.
13983 * i386.md (dimode move splitters): Use ix86_split_long_move.
13984 (dfmode move splitters): Likewise.
13985 (xfmode move splitters): Likewise.
13986 (movsf_1): Allow F->r.
13987 (movdf_1, movxf_1): Allow F->ro.
13989 1999-11-17 Mark Mitchell <mark@codesourcery.com>
13991 * except.h (struct eh_entry): Add goto_entry_p.
13992 (eh_region_from_symbol): Remove prototype.
13993 * except.c (find_func_region_from_symbol): New function.
13994 (emit_cleanup_handler): Likewise.
13995 (eh_region_from_symbol): Make it static.
13996 (add_new_handler): Verify the argument.
13997 (find_func_region): Update comment.
13998 (expand_eh_region_end): Expand handlers here, rater than waiting
13999 until expand_leftover_cleanups or start_all_catch.
14000 (expand_leftover_cleanups): Don't expand here.
14001 (expand_start_all_catch): Or here.
14002 (expand_rethrow): Check the return value from find_func_region.
14003 * function.c (expand_function_end): Emit the catch_clauses.
14005 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14007 * integrate.c (expand_inline_function): Add necessary check for NULL.
14009 1999-11-18 Nick Clifton <nickc@cygnus.com>
14011 * toplev.c (main): Correctly detect an unrecognised option.
14013 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14014 a -f option if it has not been recognised.
14016 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14018 * basic-block.h (update_life_extent): Remove trailing comma on
14019 enumeration type list.
14021 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14023 * varasm.c (output_constructor) Solved problem with long long
14024 bitfields. Corrected calculating this_time and shift. Also
14025 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14027 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14029 * flow.c (split_edge): Take looping structure into account when
14030 determining where to put the new block note.
14032 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14034 * Makefile.in (ggc-none.o): Provide host specific version if
14037 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14039 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14040 containing subregs too.
14042 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14044 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14045 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14046 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14047 (text_section): Add switches -munint-const-in-rodata and
14048 -mno-uninit-const-in-rodata.
14049 (ASM_OUTPUT_COMMON): Remove.
14050 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14051 const objects should be placed in read-only data. Otherwise declare
14054 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14056 * jump.c (jump_optimize_1): Revert last change.
14058 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14060 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14061 test if optimizing for size.
14063 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14065 * Makefile.in (toplev.o): Depend on except.h.
14066 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14068 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14070 * i386.md (divmodsi4): Rewrite to expander.
14071 (*divmodsi4_nocltd): New.
14072 (*divmodsi4_cltd): New.
14073 (divmodsi4 splitter): Handle the case when input comes in edx.
14074 (udivmodhi4): Do not use constraints in exander.
14075 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14077 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14079 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14080 for the common case.
14082 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14084 * explow.c (hard_function_value): Add outgoing argument.
14085 * expr.h (hard_function_value): Declare it.
14086 * calls.c (expand_call, emit_library_call_value): Update callers.
14087 * function.c (aggregate_value_p): Ditto.
14088 (diddle_return_value): Must look at the outgoing registers
14089 on archs with register windows.
14091 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14093 * alpha.c (alpha_build_va_list): Use make_lang_type and
14094 initialize TYPE_NAME for the va_list record.
14096 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14098 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14100 * ggc.h (struct ggc_statistics): Rearrange elements for better
14101 packing on 64-bit hosts.
14102 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14103 (compute_nearerout): Likewise.
14105 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14107 * config/rs6000/rs6000.c (first_reg_to_save): Save
14108 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14110 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14112 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14113 notion of nesting to find the DIE for a type or function.
14114 DIEs can go in limbo even if we got a context_die.
14115 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14116 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14118 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14119 (gen_type_die): Writing out the context doesn't cause member class
14120 template instantiations to be written out as well.
14122 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14124 * rs6000.h (ASM_OUTPUT_DEF): New.
14125 Based on proposed addition from David Edelsohn.
14127 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14128 Bruce Korb <autogen@linuxbox.com>
14130 * fixinc/inclhack.def
14131 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14132 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14134 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14135 (svr4_endian): enabled with SVR5
14136 (svr4_mkdev): simplified syntax and enabled with SVR5
14138 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14140 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14141 * configure: Rebuilt.
14142 * config/t-freebsd-thread: New file.
14144 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14146 * i386.c (ix86_decompose_address): Verify the base is a REG
14147 before trying to examine its register number.
14149 * basic-block.h: Remove all #defines and prototypes related to
14151 (free_bb_mem, compute_preds_succs): Remove prototype.
14152 * rtl.h (free_bb_mem): Remove prototype.
14153 * flow.c (alloc_int_list_node); Remove function.
14154 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14155 (compute_preds_succs, free_bb_mem): Likewise.
14156 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14157 * toplev.c (rest_of_compilation): Likewise.
14158 * haifa-sched.c (build_control_flow): Use flow generated edge
14159 list to build the haifa specific edge list.
14160 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14161 (schedule_insns): Do not build pred/succ lists anymore. Instead
14162 build the edge table.
14164 * basic-block.h (dump_bb_data): Remove declaration.
14165 * flow.c (dump_bb_data): Remove function.
14166 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14167 (sbitmap_union_of_predsucc): Likewise.
14169 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14170 argument. All callers changed.
14171 (delete_null_pointer_checks_1): No longer need to compute the
14174 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14175 All callers changed.
14176 (pre_expr_reaches_here_p_work): Likewise.
14177 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14178 * lcm.c (compute_laterin): Fix initialization of LATER.
14179 (compute_nearerout): Similarly for NEARER.
14181 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14183 * cse.c (set_nonvarying_address_components): Delete unused function.
14184 (refers_to_p): Likewise.
14186 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14188 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14191 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14193 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14194 definition in do while (0).
14196 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14198 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14200 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14202 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14204 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14206 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14207 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14208 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14209 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14211 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14212 saved on the stack. Output more accurate stack frame statistics
14213 into assembler file.
14215 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14217 * genextract.c (record_insn_name): New function.
14218 (get_insn_name): No longer a stub.
14219 (main): Call record_insn_name for each insn. After each label
14220 written, print the insn name in a comment.
14222 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14224 * output.h (const_section, init_section, fini_section): Add
14227 * alpha/elf.h (const_section): Delete declaration.
14229 * svr4.h (const_section): Likewise.
14231 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14233 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14234 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14235 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14237 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14238 variable-sized array bounds.
14240 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14242 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14245 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14247 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14248 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14250 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14252 * cse.c (hash_arg_in_struct): Delete.
14253 (struct table_elt): Delete elt in_struct.
14254 (struct set): Delete elt src_in_struct.
14255 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14256 the corresponding in_struct elts.
14257 (canon_hash): Likewise.
14258 (safe_hash): Likewise.
14259 (find_best_addr): Likewise.
14260 (record_jump_cond): Likewise.
14261 (cse_insn): Likewise.
14263 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14265 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14267 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14270 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14272 * function.c (diddle_return_value): Put back check that the DECL_RTL
14273 for the function is a register.
14275 * function.c (diddle_return_value): Use hard_function_value to
14276 get an rtx suitable for use in the USE/CLOBBER insn.
14278 * global.c (global_conflicts): Update comments.
14279 (record_conflicts): No need to record conflicts between pseudos here.
14281 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14283 * fixinc/fixincl.c: Added verbose levels for status messages
14285 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14287 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14288 operand as argument to expand_and or expand_binop.
14290 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14292 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14293 gcc_add_string_root.
14295 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14297 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14299 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14301 * flow.c (compute_flow_dominators): Initially put all blocks on
14303 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14304 * gcse.c (compute_cprop_avinout): Remove.
14305 (compute_cprop_data): Use compute_available.
14306 (delete_null_pointer_checks_1): Use compute_available.
14308 * basic-block.h (compute_available): Returns a void now.
14309 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14310 to return a value anymore.
14311 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14312 worklists. Fix boundary cases. Compute maximal solutions.
14313 (compute_laterin, compute_nearerout): Similarly.
14315 * dwarf2out.c (add_AT_location_description): Allow
14316 (mem (plus (pseudo) (...)) too.
14318 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14320 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14322 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14323 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14325 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14327 * gansidecl.h: Likewise.
14333 * toplev.h: Likewise.
14335 * tree.c: Likewise.
14337 * tree.h: Likewise.
14339 * varray.c: Likewise.
14341 * varray.h: Likewise.
14343 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14345 * gcov.c (struct arcdata): Add hits and total, remove prob.
14346 (output_branch_counts): New.
14347 (process_args): Set output_branch_counts if -c.
14348 (calculate_branch_probs): Store hits and total instead of
14350 (output_data): Emit counts if output_branch_counts is true.
14351 * gcov.texi (Invoking Gcov): Document -c switch..
14353 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14355 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14356 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14358 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14360 * invoke.texi (C Dialect Options): Add missing builtins from
14361 c-common.c to list.
14362 * extend.texi (Other Builtins): Copy to this list.
14364 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14366 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14367 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14368 redundant bitmap.h.
14370 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14372 * flow.c (compute_flow_dominators): No longer treat basic block 0
14373 or (n_basic_blocks - 1) specially. Clear the AUX field before
14374 starting computation of doms/pdoms. Fix initial state for pdoms.
14376 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14378 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14379 match rtl.o's: added ggc.h and toplev.h
14380 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14381 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14382 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14384 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14386 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14387 from HAVE_DOS_BASED_FILESYSTEM.
14388 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14389 HAVE_DOS_BASED_FILESYSTEM.
14391 (split_directories): Only special-case DOS file names if
14392 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14393 instead of explicit tests. Conditionalize on !VMS.
14394 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14395 tests. Conditionalize on !VMS.
14396 (process_command): Only use make_relative_prefix if !VMS.
14397 (free_split_directories): Conditionalize on !VMS.
14398 (DIR_UP): Conditionalize on !VMS.
14400 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14402 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14404 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14406 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14409 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14411 * invoke.texi (Environment Variables): Document relative path
14413 * gcc.c (DIR_UP): If not defined, define as "..".
14414 (standard_bindir_prefix): New static, holds target location to
14416 (split_directories): New function to split a filename into
14417 component directories.
14418 (free_split_directories): New function, release memory allocated
14419 by split_directories.
14420 (make_relative_prefix): New function, make a relative pathname if
14421 the compiler is not in the expected location.
14422 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14423 can figure out an appropriate prefix from argv[0].
14424 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14425 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14426 STANDARD_BINDIR_PREFIX.
14428 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14430 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14432 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14433 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14434 c4x_secondary_memory_needed) Delete.
14435 (fp_zero_operand): Add mode argument.
14437 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14439 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14440 that is in reload_reg_used.
14442 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14444 * config/arm/arm-protos.h: New file: Prototypes for functions
14445 defined in arm.c and pe.c.
14446 * config/arm/arm.h: Fix compile time warnings.
14447 * config/arm/arm.c: Fix compile time warnings.
14448 * config/arm/pe.h: Fix compile time warnings.
14449 * config/arm/aout.h: Fix compile time warnings.
14451 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14453 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14456 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14457 Add support for subtargets.
14458 Add prototypes for new predicates.
14459 Add scheduling macros.
14461 * config/m32r/m32r.c: Fix compile time warnings.
14462 (int8_operand): New predicate function.
14463 (reg_or_cmp_int16_operand): New predicate function.
14464 (extend_operand): New predicate function.
14465 (m32r_adjust_code): New scheduling function.
14466 (m32r_adjust_priorty): New scheduling function.
14467 (m32r_sched_init): New scheduling function.
14468 (m32r_sched_reorder): New scheduling function.
14469 (m32r_sched_variable_issue): New scheduling function.
14470 (direct_return): New codegen function.
14471 (m32r_not_same_reg): New rtl testsing function.
14473 * config/m32r/m32r.md: Fix compile time warnings.
14474 Add support for pre decrement and post increment memory
14476 Add S<cc> patterns.
14479 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14481 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14482 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14483 (find_reg): Likewise.
14485 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14487 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14488 to avoid assembler errors.
14490 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14492 * config/v850/v850-protos.h: New file: Prototypes for functions
14494 * config/v850/v850.h: Move prototypes to v850-protos.h
14495 * config/v850/v850.c: Move prototypes to v850-protos.h
14496 * config/v850/v850.md: Fix compile time warnings.
14498 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14500 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14501 * config/fr30/fr30.c: Fix compile time warnings.
14502 * config/fr30/fr30.md: Fix compile time warnings.
14504 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14506 * tree.h (get_containing_scope): Declare it.
14507 * tree.c (get_containing_scope): New fucntion.
14508 (decl_function_context): Use it.
14509 * toplev.c (rest_of_compilation): Use get_containing_scope.
14511 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14513 * Makefile.in (rtl.o): Depend on toplev.h.
14515 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14517 * cse.c (delete_trivially_dead_insns): Replace alloca with
14519 * except.c (update_rethrow_references): Likewise.
14520 (init_eh_nesting_info): Likewise.
14521 * function.c (identify_blocks): Likewise.
14522 * gcse.c (dump_hash_table): Likewise.
14523 * graph.c (print_rtl_graph_with_bb): Likewise.
14524 * loop.c (combine_movables): Likewise.
14525 (move_movables): Likewise.
14526 (count_loop_regs_set): Likewise.
14527 (strength_reduce): Likewise.
14528 * profile.c (compute_branch_probabilities): New function, split
14530 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14531 * regclass.c (regclass): Likewise.
14532 * regmove.c (regmove_optimize): Likewise.
14533 * toplev.c (compile_file): Likewise.
14534 (main): Don't mess with the stack rlimit.
14536 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14538 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14539 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14541 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14543 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14545 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14547 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14548 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14551 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14553 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14555 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14557 * gcse.c (post_dominators): Kill.
14558 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14559 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14560 pass in a pdom array since we do not need pdoms.
14561 * haifa-sched.c (schedule_insns): Similarly.
14562 * flow.c (compute_dominators): Remove dead function.
14563 (compute_flow_dominators): Do not compute doms or pdoms if the
14564 caller does not request them. Split up loop to build doms and
14565 pdoms. Use a worklist to compute doms and pdoms.
14566 * basic-block.h (compute_dominators): Remove prototype.
14568 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14570 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14571 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14572 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14573 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14574 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14575 (schedule_region): Remove unused variable.
14576 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14578 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14580 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14581 (update_equiv_regs): Likewise.
14582 (block_alloc): Likewise.
14583 * reg-stack.c (reg_to_stack): Likewise.
14584 (convert_regs_2): Likewise.
14585 * reload1.c (reload_as_needed): Likewise.
14587 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
14589 * Makefile.in (dbxout.o): Depend on ggc.h.
14590 (dwarf2out.o): Likewise.
14591 (xcoffout.o): Likewise.
14592 * dbxout.c: Include ggc.h.
14593 (dbxout_init): Register lastfile as a root.
14594 * dwarf2out.c: Include ggc.h.
14595 (dwarf2out_line): Register lastfile as a root.
14596 * xcoffout.c: Include ggc.h.
14597 (xcoffout_source_line): Register xcoff_lastfile as a root.
14599 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
14601 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
14603 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
14605 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
14607 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14609 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14611 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
14612 (EXECUTE_IF_CONFLICT): Likewise.
14613 (ALLOCNO_LIVE_P): Avoid signed division.
14614 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
14615 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
14616 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
14618 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
14620 * haifa-sched.c (schedule_block): Don't crash if there's no
14621 next insn for an interblock movement.
14622 (add_branch_dependences): Don't allow clobber insns to move either.
14624 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
14626 * i386.c (split_xf): New.
14627 * i386-protos.h: Declare it.
14628 * i386.md (movxf_1): Add general regs alternatives.
14629 (movxf_1+1): New splitter for same.
14631 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
14633 * function.c (purge_addressof_1): Add missing return values.
14635 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
14637 * function.c (is_addressof): New function. Returns true if
14638 the given piece of RTL is an ADDRESSOF.
14639 (purge_addressof_1): Make boolean. Return false if the
14640 ADDRESSOFs could not be purged.
14641 (purge_addressof): If ADDRESSOFs could not be purged from the
14642 notes attached to an insn, remove the offending note(s),
14643 unless they are attached to a libcall.
14645 1999-11-05 Andreas Jaeger <aj@suse.de>
14647 * genoutput.c (null_operand =): Initialize all fields.
14649 * errors.h: Add extern to prototypes.
14651 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
14653 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
14654 * configure: Rebuilt.
14656 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14658 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
14659 (mirror_conflicts): New function.
14660 (global_alloc): Call it.
14661 (expand_preferences): Remove redundant CONFLICTP test.
14662 (find_reg, dump_conflicts): Likewise.
14663 (prune_preferences): Process conflicts one word at a time.
14665 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
14667 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
14668 instead of an explicit loop.
14670 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
14672 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
14673 if REG_RETVAL check succeeds, then put classp in src_elt.
14675 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
14677 * function.c (pad_to_arg_alignment): Only update argument_pad
14678 if the argument's alignment is greater than STACK_BOUNDARY.
14680 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
14682 * bitmap.h (BITMAP_XFREE): New.
14683 * flow.c (life_analysis): Use it.
14684 (life_analysis_1): Free blocks.
14686 * combine.c (undo_commit): New.
14687 (try_combine): Use it. Don't zap undobuf.undos.
14688 (combine_instructions): Don't zap undobuf.undos; free the
14689 undobuf.frees list.
14691 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
14693 * stmt.c (cost_table_): New.
14694 (estimate_case_costs): Use it instead of xmalloc.
14696 * toplev.c (compile_file): Reuse dumpname memory instead
14699 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
14701 * reg-stack.c (convert_regs_1): Initialize target_stack->top
14702 after verifying an EH edge.
14704 * haifa-sched.c (init_rgn_data_dependences): Correctly
14705 size bb_pending_lists_length when zeroing.
14707 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
14709 * function.c (diddle_return_value): New.
14710 (expand_function_end): Use it.
14711 * stmt.c (expand_null_return): Likewise.
14712 (expand_value_return): Likewise.
14714 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
14716 * reload1.c (reload): Don't remove return value clobbers.
14718 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
14720 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
14722 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
14724 * cse.c (cse_main): Use xmalloc, not alloca.
14725 (cse_basic_block): Likewise.
14726 * local-alloc.c (local_alloc): Likewise.
14728 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
14729 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14731 * rtl.c: Include toplev.h.
14732 (fatal): Remove declaration.
14734 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
14736 * haifa-sched.c (schedule_block): Fix thinko.
14738 1999-11-03 James McKelvey <mckelvey@fafnir.com>
14740 * fixinc/fixincl.c(create_file): Allow for systems that do not have
14741 S_IR* defined values
14743 1999-11-03 Philippe De Muyter <phdm@macqel.be>
14745 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
14746 call `malloc' instead.
14748 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
14750 * flags.h (flag_renumber_insns): Declare.
14751 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
14753 * rtl.h (renumber_insns): Change prototype.
14754 * toplev.c (flag_renumber_insns): Define.
14755 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
14757 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
14759 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
14760 and fpsqrtd. Use them and create fdiv function unit to more
14761 accurately represent fpu sqrt pipeline semantics on UltraSparc.
14762 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
14764 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
14766 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
14768 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
14769 insn into ready list, do not use just a raw swap.
14771 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
14773 * rtl.h (renumber_insns): New function.
14774 (remove_unnecessary_notes): Likewise.
14775 * emit-rtl.c (renumber_insns): Define.
14776 (remove_unncessary_notes): Likewise.
14777 * toplev.c (rest_of_compilation): Remove dead code.
14778 Use renumber_insns and remove_unncessary_notes.
14780 * gcse.c (struct null_pointer_info): New type.
14781 (get_bitmap_width): New function.
14782 (current_block): Remove.
14783 (nonnull_local): Likewise.
14784 (nonnull_killed): Likewise.
14785 (invalidate_nonnull_info): Take a null_pointer_info as input.
14786 (delete_null_pointer_checks_1): New function.
14787 (delete_null_pointer_checks): Use it.
14789 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
14790 (split_edges): Likewise.
14791 (schedule_block): Likewise.
14792 (compute_block_backward_dependencies): Likewise.
14793 (schedule_region): Likewise.
14794 (schedule_insns): Likewise.
14796 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
14798 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
14799 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
14800 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
14801 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
14802 * jump.c (delete_unreferenced_labels): Don't delete if
14803 LABEL_ALTERNATE_NAME is set.
14804 * print-rtl.c (print_rtx): Dump alternate name.
14805 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
14806 * rtl.h (LABEL_ALTERNATE_NAME): Define.
14807 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
14808 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
14810 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14812 * fix-header.c (recognized_extern, recognized_function): Constify
14815 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
14816 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14817 (compute_available): Remove unused variable `last'.
14818 (compute_nearerout): Remove unused variable `temp_bitmap'.
14819 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14820 Remove unused variable `x'.
14822 * scan.h (recognized_function, recognized_extern): Constify a
14825 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
14827 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14829 * varasm.c (decode_rtx_const): Use XSTR to access the string
14832 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
14834 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
14836 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14838 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
14840 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
14842 * pa.c (ireg_operand): New function.
14843 * pa.h (PREDICATE_CODES): Handle ireg_operand.
14844 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
14845 Fix out of date comment.
14847 * pa.md (negdi2): Turn into expander + anonymous pattern.
14849 * reload.c (find_reloads): Fix typos in recent change.
14851 * dwarf2out.c: Do not include ctype.h.
14853 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14855 * regclass.c (record_reg_classes): Always use may_move_cost when
14856 seeing how operand fits with various register classes.
14858 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
14860 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
14861 * toplev.c: Revert Nov 1 13:22 change.
14863 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
14865 * config/pa/pa.md (height reduction patterns): Add checks for
14866 overlapping operands to avoid semantic-destroying splits for
14867 height reduction patterns.
14869 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14871 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
14872 have been an hyphen, fixed.
14873 * configure: Rebuilt.
14875 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
14877 * config/arm/tpe.h: Add prototypes for exported functions.
14878 * config/arm/pe.c: Fix compile time warnings.
14879 * config/arm/semi.h: Fix compile time warnings.
14880 * config/arm/arm.c: Fix compile time warnings.
14881 * config/arm/arm.h: Fix compile time warnings.
14882 * config/arm/arm.md: Fix compile time warnings.
14883 * config/arm/thumb.c: Fix compile time warnings.
14884 * config/arm/thumb.h: Fix compile time warnings.
14885 * config/arm/thumb.md: Fix compile time warnings.
14887 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
14889 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
14892 * unroll.c (unroll_loop): Remove LOOP notes when loop is
14893 completely unrolled.
14895 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14897 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
14899 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
14901 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
14902 * rtl.h (rtx_equal_p): Move prototype.
14903 * rtl.c (rtx_equal_function_value_matters): Move from
14905 (rtx_equal_p): Likewise.
14906 * rtlanal.c (rtx_equal_function_value_matters): Delete.
14907 (rtx_equal_p): Likewise.
14909 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
14911 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
14912 ! HAS_INIT_SECTION.
14914 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
14916 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
14918 * pa.h (ADDR_VEC_ALIGN): Define.
14920 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
14921 notes when presented with "if (foo) break; end_of_loop" and
14922 the break sequence gets moved out of the loop.
14924 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
14925 Remove explicit zero initializations of entries within MAP.
14927 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
14929 * reg-stack.c (convert_regs_1): Handle EH edges specially.
14931 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
14933 * bitmap.h (BITMAP_XMALLOC): New macro.
14934 * flow.c (CLEAN_ALLOCA): Remove.
14935 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
14936 (life_analysis): Likewise.
14937 (update_life_info): Don't use CLEAN_ALLOCA.
14938 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
14939 (calculate_global_regs_live): Likewise.
14940 (print_rtl_with_bb): Likewise.
14941 (verify_flow_info): Likewise.
14942 * global.c (global_alloc): Likewise.
14943 (global_conflicts): Likewise.
14944 * integrate.c (save_for_inline_nocopy): Likewise.
14945 (expand_inline_function): Likewise.
14946 * jump.c (jump_optimize_1): Likewise.
14947 (duplicate_loop_exit_test): Likewise.
14948 (thread_jumps): Likewise.
14949 * loop.c (loop_optimize): Likewise.
14950 (combine_givs): Likewise.
14951 (recombine_givs): Likewise.
14952 * reorg.c (dbr_schedule): Likewise.
14953 * unroll.c (unroll_loop): Likewise.
14955 * combine.c (combine_instructions): Use xmalloc instead of alloca.
14957 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
14959 * toplev.c (rest_of_compilation): Don't optimize the CFG
14960 when rebuilding, just before dbr.
14962 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14964 * output.h (assemble_end_function, assemble_destructor,
14965 assemble_constructor, assemble_gc_entry, assemble_global,
14966 assemble_label, output_constant_pool) Constify a char*.
14968 * varasm.c (assemble_destructor, assemble_constructor,
14969 assemble_gc_entry, assemble_end_function, assemble_global,
14970 assemble_label, output_constant_pool): Likewise.
14972 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
14974 * config/arm/thumb.c (thumb_expand_prologue): Add comments
14975 explaining what is goin on in this function.
14977 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14979 * regclass.c (record_reg_classes): In matching case, recompute
14980 costs since the direction of movement is different.
14982 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14984 * resource.c (mark_target_live_regs): For unconditional branches,
14985 the resources found at the branch target should be added to the
14986 resources found so far, not intersected.
14988 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
14990 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
14992 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
14993 (sys/mman.h): Include this file only if #HAVE_MMAP.
14994 (run_compiles): Initialize `esac_fmt' with one old KR string, not
14995 with automatically concatenated ANSI strings.
14997 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
14999 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15000 (DIV_ROUND_UP): Robustify.
15001 (ggc_recalculate_in_use_p): New function.
15002 (release_pages): Don't inline it.
15003 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15005 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15006 (clear_marks): Always save in_use_p.
15007 (sweep_pages): Use ggc_recalculate_in_use_p.
15008 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15009 Release pages before counting statistics.
15011 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15013 * toplev.c (rest_of_compilation): Fix thinko in this change:
15015 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15017 (rest_of_compilation): If inside an inlined external function,
15018 pretend we are just being declared.
15020 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15022 * flow.c (calculate_global_regs_live): Fix thinko.
15024 * integrate.c (expand_inline_function): Fix bugs in previous
15025 change from Oct 28, 1999.
15027 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15029 * stmt.c (expand_value_return): Fix typo in this change:
15031 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15032 (expand_value_return): Correctly convert VAL when promoting function
15033 return; support RETURN_REG being a PARALLEL.
15035 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15037 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15039 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15041 * hard-reg-set.h (reg_names): Constify a char*.
15043 * regclass.c (reg_names): Likewise.
15045 * regs.h (reg_names): Likewise
15047 * a29k/a29k.c (reg_names): Delete declaration.
15049 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15051 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15052 arc_output_function_epilogue): Likewise.
15054 * elxsi/elxsi.c (reg_names): Likewise.
15056 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15058 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15061 * m88k/m88k.c (output_function_profiler): Likewise.
15063 * sparc/sparc.c (sparc_flat_output_function_prologue,
15064 sparc_flat_output_function_epilogue): Likewise.
15066 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15068 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15069 warning from -Wuninitialized and put it under -W.
15070 * function.c (uninitialized_vars_warning): Warn only when the
15071 corresponding flag is set.
15073 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15075 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15076 is nonzero and the single set does not have an elt, then assign
15079 * simplify-rtx.c: New file.
15080 * Makefile.in (OBJS): Add simplify-rtx.o
15081 (simplify-rtx.o): Add dependencies.
15082 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15083 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15084 (cse_gen_binary, simplify_unary_operation): Delete.
15085 (simplify_binary_operation, simplify_plus_minus): Likewise.
15086 (check_fold_consts, simplify_relation_operation): Likewise.
15087 (simplify_ternary_operation): Likewise.
15088 (delete_trivially_dead_insns): Simplify the contents of the
15089 REG_EQUAL note before trying to substitute it into the source
15090 of the reg-reg copy at the end of a libcall sequence.
15092 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15093 references/callers changed.
15095 * mn10200.c (mn10200_va_arg): Force the return value into a
15098 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15100 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15103 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15105 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15107 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15109 * fold-const.c (fold): Fix thinko when optimizing comparisons
15112 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15114 * gcc.texi (Passes): Update front-end files to their current
15117 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15119 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15120 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15121 (PREDICATE_CODES): Add addition_operation.
15122 * alpha-protos.h (addition_operation): Declare.
15123 (secondary_reload_class): Likewise.
15124 * alpha.c (addition_operation): New.
15125 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15126 * alpha.md (adddi3): Turn into expander.
15127 (*lda, *adddi_2): New.
15128 (movsf, movdf patterns): Don't preference integer regs.
15129 (movsi, movdi patterns): Don't preference fp regs.
15131 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15133 * genrecog.c (write_switch): Check for duplicate CODE cases.
15135 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15137 * ggc-common.c: Update pre-function commentary.
15138 * ggc-page.c: Likewise.
15140 (poison_pages): Use memset directly.
15141 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15142 (ggc_collect): Poison before sweeping.
15143 * ggc-simple.c: Update pre-function commentary.
15144 (ggc_alloc_obj): Poison non-zeroed memory.
15146 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15148 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15149 match format string, even on 64-bit hosts.
15150 * gcc-page.c (ggc_page_print_statistics): Likewise.
15152 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15154 * config/i386/i386.c (ix86_cpu): Revert last patch.
15155 * config/i386/i386.h (ix86_cpu): Ditto.
15157 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15159 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15160 TYPE_SIZE, convert type of result to sizetype.
15162 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15164 * flow.c (count_or_remove_death_notes): Equate NULL with the
15167 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15168 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15171 * i386.c (pic_label_no): Delete.
15172 (ix86_attr_length_default): Don't use single_set to peek
15175 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15176 the first insn after bb->end.
15177 * i386.md (push mem peeps): Scratch is live after evaluation
15179 (cmp mem peep): Similarly.
15181 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15183 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15184 * function.c (pad_to_arg_alignment): Add missing braces.
15186 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15188 * alpha/alpha-protos.h (literal_section): Add prototype.
15189 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15192 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15194 (alpha_start_function, alpha_end_function, float_strings,
15195 alpha_need_linkage): Constify a char*
15197 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15199 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15201 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15203 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15205 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15207 * flow.c (debug_flow_info): Add prototype.
15209 * gcc.c (main): Likewise.
15211 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15214 * reload1.c (failed_reload, set_reload_reg): Likewise.
15216 * mips-tfile.c (main): Likewise.
15217 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15218 with ATTRIBUTE_NORETURN.
15220 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15222 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15223 DECL is not a memory ref.
15225 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15227 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15228 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15230 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15232 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15233 * config/mips/elf64.h: ditto.
15235 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15237 * expr.c (emit_push_insn): New argument alignment_pad.
15238 Update all callers. Adjust stack pointer based on alignment pad.
15239 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15240 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15241 (locate_and_pad_parm): New argument alignment_pad. Update all
15243 * expr.h (emit_push_insn): Update prototype.
15244 (locate_and_pad_parm): Update prototype.
15245 * calls.c (arg_data): Add new field alignment_pad.
15246 (initialize_argument_information): Initialize alignment_pad.
15248 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15250 * except.c (free_eh_nesting_info): Free the info itself.
15251 * function.c (free_after_compilation): Don't free NULL.
15252 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15253 (pre_edge_insert): Free inserted.
15254 * stmt.c (free_stmt_status): Don't free NULL.
15256 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15258 * gcov.c (DIR_SEPARATOR): Provide default.
15259 (output_data): Add test for MS-DOS format absolute filename.
15260 (fancy_abort): Correct program name.
15261 (open_files): Open all files in binary mode.
15262 * libgcc2.c (__bb_exit_func): Likewise.
15264 * profile.c (init_branch_prob): Specify binary when opening files.
15266 * flags.h (flag_unwind_tables): New decl.
15267 * toplev.c (flag_unwind_table): New definition.
15268 (f_options): Add -funwind-tables.
15269 (decode_g_option): Clarify warning when unknown -g option is given.
15270 (rest_of_compilation): If inside an inlined external function,
15271 pretend we are just being declared.
15273 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15274 (dwarf2out_frame_finish): Likewise.
15276 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15278 * fold-const.c (merge_ranges): If not in0, but in1, handle
15279 upper bounds equal like subset case.
15281 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15283 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15284 passed in a register but moved to the stack.
15286 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15288 * gcc.c (pass_exit_codes, greatest_status): New variables.
15289 (struct option_map): Add entry for "--pass-exit-codes".
15290 (execute): Update greatest_status if error.
15291 (display_help): Add documentation for -pass-exit-codes.
15292 (process_command): Handle -pass-exit-codes.
15293 (main): Look at pass_exit_codes and greatest_status on call to exit.
15295 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15297 * reload.c (find_reloads): Refine test for no input reload
15298 case to not includes reloads emitted after insn.
15300 * function.c (find_temp_slots_from_address): Handle sum involving
15301 a register that points to a temp slot.
15302 (update_temp_slot_address): Make recursive call if both old and
15303 new are PLUS with a common operand.
15304 * calls.c (expand_call): Mark temp slot for result as having
15307 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15309 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15310 component as well as "BINUTILS".
15312 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15313 * integrate.c (copy_rtx_and_substitute): Likewise.
15314 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15315 All callers changed.
15316 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15318 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15319 gdb extensions, write size of type; also be more consistent
15320 in using references when this is a subtype.
15322 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15323 that is out of range.
15325 * loop.c (unknown_constant_address_altered): New variable.
15326 (prescan_loop): Initialize it.
15327 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15328 (invariant_p, case MEM): Remove handling for volatile and readonly;
15329 check new variable if readonly.
15330 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15332 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15333 (addr_affects_sp_p): Removed from note_mem_written and only
15334 define #ifdef AUTO_INC_DEC.
15336 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15338 * regclass.c (record_reg_classes): Properly handle register move
15341 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15342 Don't think valid if both operands are invalid.
15343 (struct constant_descriptor): New field RTL.
15344 (mark_const_hash_entry): Mark it.
15345 (record_constant{,_rtx}): Initialize it.
15346 (output_constant_def): Allocate RTL in permanent obstack and
15348 ({record,compare}_constant_1): Modes must match for
15349 CONSTRUCTOR of ARRAY_TYPE.
15351 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15352 * output.h (initializer_constant_valid_p): Move decl to here.
15353 * c-common.c (initializer_constant_valid_p): Delete function from here.
15354 * varasm.c (initializer_constant_valid_p): Move function to here.
15356 * tree.h (STRIP_SIGN_NOPS): New macro.
15357 * fold-const.c (optimize_minmax_comparison): New function.
15358 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15359 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15360 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15361 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15362 widening conversions.
15363 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15364 to look at size of mode, not precision of type; also add missing cases.
15365 (optimize_bit_field_compare, decode_field_reference): Don't try to
15366 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15368 * dwarf2out.c (ctype.h): Include.
15369 (dwarf2out_set_demangle_name_func): New function.
15370 (size_of_line_info): Deleted.
15371 (output_line_info): Compute size of line info table from difference
15373 (base_type_die, add_name_attribute): Call demangle function, if any.
15374 (field_byte_offset): Use bits per word for variable length fields.
15375 (gen_array_type_die): Add array name.
15376 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15377 (dwarf2out_add_library_unit_info): New function.
15379 * explow.c (set_stack_check_libfunc): New function.
15380 (stack_check_libfunc): New static variable.
15381 (probe_stack_range): Allow front-end to set up a libfunc to call.
15383 * combine.c (simplify_comparison): When making comparison in wider
15384 mode, check for having commuted an AND and a SUBREG.
15385 (contains_muldiv): New function.
15386 (try_combine): Call it when dividing a PARALLEL.
15387 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15388 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15390 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15391 use one of the CLOBBERs instead.
15392 (if_then_else_cond): If comparing against zero, just return thing
15395 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15396 Don't generate shifts and subtract if have conditional arithmetic.
15398 * rtl.h (delete_barrier): New declaration.
15399 * jump.c (jump_optimize): Set up to handle conditional call.
15400 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15401 (delete_barrier): New function.
15403 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15405 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15407 * tree.c (build_type_attribute_variant): Push to obstack of
15408 ttype around type_hash_canon call.
15410 * expr.c (placeholder_list): Move decl to file scope.
15411 (expand_expr): Don't force access to volatile just because its
15413 If ignoring reference operations, just expand the operands.
15414 (expand_expr, case COMPONENT_REF): Propagate
15415 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15416 Refine test for using bitfield operations vs pointer punning.
15417 (expand_expr, case CONVERT_EXPR): If converting to
15418 BLKmode UNION_TYPE from BLKmode, just return inner object.
15419 Use proper mode in store_field call.
15420 Properly set sizes of object to store and total size in store_field
15421 call for convert to union.
15422 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15423 memory (like for ADDR_EXPR). Also, don't put constant in register if
15424 we'll want it in memory.
15425 (readonly_fields_p): New function.
15426 (expand_expr, case INDIRECT_REF): Call it if LHS.
15427 (expand_assignment): Handle a RESULT_DECL where
15428 DECL_RTL is a PARALLEL.
15429 (do_jump, case WITH_RECORD_EXPR): New case.
15430 (get_inner_reference): Always go inside a CONVERT_EXPR
15431 and NOP_EXPR if both modes are the same.
15432 (store_field): Use bitfield operations if size of bitsize is not same
15433 as size of RHS's type.
15434 Check for bitpos not a multiple of alignment in BLKmode case.
15435 Do block move in largest possible alignment.
15436 (store_constructor): Set BITSIZE to -1 for variable size and properly
15437 in case of array of BLKmode.
15438 (expand_expr_unaligned): New function.
15439 (do_compare_and_jump): Call it.
15441 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15442 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15443 does not include 'o'.
15445 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15446 both SET_DEST and SET_SRC reference a virtual register.
15447 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15449 * integrate.c (expand_inline_function): Handle case of setting
15450 virtual stack vars register (from built in setjmp); when parameter
15451 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15452 (subst_constant): Add new parm, MEMONLY.
15453 (expand_inline_function, integrate_parm_decls): Pass new parm.
15454 (integrate_decl_tree): Likewise.
15455 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15456 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15457 (copy_rtx_and_substitute, case SET): Add explicit calls to
15458 copy_rtx_and_substitute for both sides.
15460 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15462 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15463 within INDEX_TYPE, instead of before.
15464 (fixup_gotos): Use f->target_rtl, not the next insn,
15465 since latter may be from a later fixup.
15466 (expand_value_return): Correctly convert VAL when promoting function
15467 return; support RETURN_REG being a PARALLEL.
15468 (expand_return): When checking for result in regs and having
15469 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15471 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15473 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15474 last_nominal_fname): Mark const.
15475 (struct include_hash: name, nshort, control_macro): Mark
15477 (struct macrodef: symnam): Mark const.
15478 (struct if_stack: fname): Mark const.
15479 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15480 (IStable): New character-syntax array which encompasses all
15481 the old is_foo arrays.
15482 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15483 is_space): New macros for interrogating IStable.
15484 (check_macro_name): Kill last argument. All callers changed.
15486 * cppinit.c (initialize_char_syntax): Delete.
15487 (is_idchar, is_idstart, is_hor_space, is_space,
15488 trigraph_table): Delete.
15489 (IStable): New. Initialize with clever macros to avoid
15490 information duplication.
15491 (builtin_array): Table of builtins to get rid of explicit list
15492 in initialize_builtins.
15493 (initialize_builtins): Use builtins_array.
15494 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15495 opts->dollars_in_ident.
15497 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15499 (cpp_parse_expr): Avoid 'format string is not constant'
15500 warning. Use ISGRAPH to identify printable chars.
15501 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15503 (read_and_prescan): Map trigraphs to chars with open-coded
15504 if-else-if-... sequence, not a lookup table.
15505 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15507 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15508 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15509 (check_macro_name): Remove ability to report an invalid
15510 assertion name, which is never used.
15511 (do_line): Constify a couple of char *'s.
15512 * cppmain.c (main): Call cpp_cleanup before returning.
15514 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15516 * ggc.h (struct ggc_statistics): New type.
15517 (ggc_get_size): New function.
15518 (ggc_print_statistics): Likewise.
15519 * ggc-common.c (ggc_stats): New variable.
15520 (ggc_mark_rtx_children): Keep statistics.
15521 (ggc_mark_tree_children): Likewise.
15522 (ggc_print_statistics): New function.
15523 * ggc-page.c (struct globals): Add bytes_mapped field.
15524 (alloc_anon): Update it.
15525 (release_pages): Likewise.
15526 (ggc_get_size): New function.
15527 (ggc_page_print_statistics): New function.
15528 * ggc-simple.c (ggc_get_size): New function.
15530 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15532 * flow.c (propagate_block): When the last reference to a label
15533 before an ADDR_VEC is deleted because the reference is a dead
15534 store, delete the ADDR_VEC.
15536 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15538 * resource.c (find_free_register): Don't use the frame pointer
15539 if frame_pointer_needed.
15541 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15543 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15544 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15546 * config/i960/i960.c (i960_va_start): New locals base, num.
15547 Use INDIRECT_REF instead of ARRAY_REF on valist.
15548 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15550 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15552 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15554 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15556 * tree.def (PLACEHOLDER_EXPR): Update comments.
15558 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15560 * c-common.c (check_format_info): Avoid non-literal format string
15561 warnings when `first_arg_num' is zero.
15563 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15565 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15567 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15569 * arm.md (casesi_insn): Add a clobber of the condition code
15572 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15574 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15575 used by both cc1 and cc1plus.
15577 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15579 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15580 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15581 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15582 to the value 32 if it has not already been defined.
15583 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15584 Override definition in arm.h with a value of 8.
15586 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
15588 * c-pragma.c (push_alignment): Don't check the return value
15591 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
15593 * sparc.h (ADJUST_COST): Fix thinko.
15595 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
15597 * cccp.c (rescan): Fixed obp pointer handling around call to
15598 check_expand subroutine.
15600 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
15602 * gcse.c (delete_null_pointer_checks): Only record non-null info
15603 for pseudos when examining stores.
15605 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
15606 splitters for these patterns. Use "#" for output templates.
15607 (addsi3_carryin_shift): New pattern.
15609 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
15611 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
15612 of the function return register into a plain REG until
15613 after function inlining is done.
15615 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
15617 * jump.c (jump_optimize_1): If we did cross-jumping, and
15618 the data will matter, rebuild the CFG.
15619 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
15620 not optimizing. Don't run shorten_branches.
15621 * toplev.c (rest_of_compilation): Run shorten_branches after
15624 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
15626 * rtl.h (note_stores): Add additional paramter.
15627 * rtlanal.c (reg_set_p_1): Take additional paramter.
15628 (reg_set_last_1): Likewise.
15629 (reg_set_p): Adjust call to note_stores.
15630 (reg_set_last): Likewise.
15631 (note_stores): Pass data parameter to worker function.
15632 * alias.c (record_set): Take additional parameter.
15633 (init_alias_analysis): Pass it.
15634 * caller-save.c (mark_set_regs): Take additional parameter.
15635 (save_call_clobbered_regs): Pass NULL to note_stores.
15636 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
15638 (record_dead_and_set_regs_1): Likewise.
15639 (reg_dead_at_p_1): Likewise.
15640 (combine_instructions): Adjust calls to note_stores.
15641 (try_combine): Likewise.
15642 (record_dead_insn): Remove.
15643 (record_dead_and_set_regs): Adjust calls to note_stores.
15644 (reg_dead_at_p): Likewise.
15645 * cse.c (invalidate_skipped_set): Take additional parameter.
15646 (cse_check_loop_start): Likewise.
15647 (cse_check_loop_start_value): Remove.
15648 (cse_set_around_loop): Adjust calls to note_stores.
15649 * flow.c (notice_stack_pointer_modification): Take additional
15650 parameter. Remove duplicate declaration.
15651 (record_volatile_insns): Adjust calls to note_stores.
15652 * gcse.c (record_set_info): Take additional parameter.
15653 (record_last_set_info): Likewise.
15654 (invalidate_nonnull_info): Likewise.
15655 (record_set_insn): Remove.
15656 (compute_sets): Adjust calls to note_stores.
15657 (last_set_insn): Remove.
15658 (compute_hash_table): Adjust calls to note_stores.
15659 (insert_insn_end_bb): Likewise.
15660 (delete_null_pointer_checks): Likewise.
15661 * global.c (mark_reg_store): Take additional parameter.
15662 (mark_reg_clobber): Likewise.
15663 (reg_becomes_live): Likewise.
15664 (global_conflicts): Adjust calls to note_stores.
15665 (build_insn_chain): Likewise.
15666 * integrate.c (note_modified_parmregs): Take additional parameter.
15667 (mark_stores): Likewise. Make it static.
15668 (save_for_inline_nocopy): Adjust calls to note_stores.
15669 (try_constants): Likewise.
15670 * integrate.h (mark_stores): Remove declaration.
15671 * jump.c (mark_modified_reg): Take additional parameter.
15672 (thread_jumps): Adjust calls to note_stores.
15673 * local-alloc.c (validate_equiv_mem_from_store): Take additional
15675 (no_equiv): Likewise.
15676 (reg_is_set): Likewise.
15677 (validate_equiv_mem): Adjust calls to note_stores.
15678 (update_equiv_regs): Likewise.
15679 (block_alloc): Likewise.
15680 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
15681 (note_addr_stored): Take additional parameter.
15682 (note_set_pseudo_multiple_uses): Likewise.
15683 (record_initial): Likewise.
15684 (prescan_loop): Adjust calls to note_stores.
15685 (strength_reduce): Likewise.
15686 (check_dbra_loop): Likewise.
15687 * regmove.c (flags_set_1): Take additional paramter.
15688 (mark_flags_life_zones): Adjust calls to note_stores.
15689 * reload1.c (mark_not_eliminable): Take additional parameter.
15690 (forget_old_reloads_1): Likewise.
15691 (reload_cse_invalidate_rtx): Likewise.
15692 (reload_cse_check_clobber): Likewise.
15693 (reload_combine_note_store): Likewise.
15694 (move2add_note_store): Likewise.
15695 (reload): Adjust calls to note_stores.
15696 (reload_as_needed): Likewise.
15697 (emit_reload_insns): Likewise.
15698 (reload_cse_regs_1): Likewise.
15699 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
15700 (reload_combine): Adjust calls to note_stores.
15701 * resource.c (update_live_status): Take additional paramter.
15702 (mark_target_live_regs): Adjust calls to note_stores.
15703 * stupid.c (find_clobbered_regs): Take additional parameter.
15704 (stupid_life_analysis): Adjust calls to note_stores.
15706 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
15708 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
15711 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
15714 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
15715 of the variable arm_structure_size_boundary.
15717 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
15719 * alias.c (init_alias_analysis): Allocate reg_known_value and
15720 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
15722 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
15723 * cse.c (cse_main): Call end_alias_analysis.
15724 * haifa-sched.c (schedule_insns): Likewise.
15725 * local-alloc. (update_equiv_regs): Likewise.
15726 * reload1.c (reload_cse_regs): Likewise.
15728 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15730 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
15731 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
15732 mapping from MASK_FPU.
15734 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
15736 * sparc.md (call): Don't bound structure return size to 0xfff.
15738 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
15740 * resource.c (mark_target_live_regs): Check that the target
15741 insn wasn't created after compute_bb_for_insn.
15743 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
15745 * ggc-page.c (poison_pages): Don't be overzealous.
15747 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
15749 * alias.c: Update comments for ADDRESS.
15750 (nonlocal_reference_p): Look inside the ADDRESS to determine if
15751 it is a local memory reference.
15753 * c-typeck.c (build_function_call): Check that the built-in
15754 function is of class BUILT_IN_NORMAL before trying to recongize
15755 it as BUILT_IN_ABS.
15756 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
15757 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
15759 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
15761 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
15763 (pre_gcse): Likewise.
15764 (hoist_expr_reaches_here_p): Likewise.
15765 (hoist_code): Likewise.
15766 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
15768 (pre_expr_reaches_here_p_work): ... here.
15769 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
15771 (expr_reaches_here_p_work): ... here.
15773 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
15775 * resource.c (find_basic_block): Delete.
15776 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
15777 (init_resource_info): Call compute_bb_for_insn.
15779 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
15781 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
15782 with already adjacent blocks, but no fallthru.
15783 (merge_blocks_move_successor_nojumps): Simplify.
15784 (debug_flow_info): New.
15786 * toplev.c (rest_of_compilation): Open jump1 dump file before
15787 jump and close after, as opposed to just using dump_rtl.
15789 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15791 * reload.h (earlyclobber_operand_p): Declare.
15792 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
15793 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
15794 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
15795 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
15797 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
15798 Richard Henderson <rth@cygnus.com>
15800 * emit-rtl.c (emit_block_insn_before): New.
15801 (emit_block_insn_after): New.
15802 * basic-block.h: Declare them.
15804 * bitmap.h: Protect from multiple inclusion.
15806 * recog.c (scratch_operand): Handle VOIDmode correctly.
15808 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
15810 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
15811 * function.c (assign_parms): Likewise.
15812 * global.c (global_conflicts): Clarify STACK_REGS commentary.
15814 * reg-stack.c (max_uid): Remove.
15815 (blocks, block_begin, block_end, block_drops_in): Remove.
15816 (block_stack_in, block_out_reg_set, block_number): Remove.
15817 (struct block_info_def, BLOCK_INFO): New.
15818 (enum emit_where): New.
15819 (current_block): New.
15820 (BLOCK_NUM): Remove.
15821 (mark_regs_pat, record_label_references): Remove.
15822 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
15824 (goto_block_pat, print_blocks, dump_stack_info): Remove.
15825 (reg_to_stack): Simplified test for existance of fp code. Use
15826 flow.c code. Call shorten_branches after cross-jump opt.
15827 (check_asm_stack_operands): Renamed from record_asm_reg_life.
15828 Return false if the asm doesn't use stack regs. Don't do life
15829 analysis on the asm.
15830 (emit_pop_insn): Replace function pointer arg `when' with
15831 enum `where'. Update all callers.
15832 (change_stack): Likewise. Update basic block end.
15833 (emit_swap_insn): Use current_block->head to limit reverse search
15834 for start of block. Use emit_block_insn_after.
15835 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
15836 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
15837 structure assignment instead of bcopy.
15838 (print_stack): New.
15839 (convert_regs_entry, convert_regs_exit): New.
15840 (convert_regs_1, convert_regs_2): Split out from convert_regs.
15841 Work on basic blocks and the CFG.
15842 (convert_regs): Use them.
15844 * i386.c (output_fix_trunc): Remove code for DImode input operand
15845 not at top-of-stack.
15846 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
15848 (fix_truncdi_1): Allow any mode scratch.
15850 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
15852 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
15853 * linux.h, netbsd.h, vms.h: Not here.
15855 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
15857 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
15858 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
15859 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
15860 CONDITIONAL_REGISTER_USEAGE): Use them.
15861 * config/mips/mips.c (mips_move_1word,mips_move_2words,
15862 gen_conditional_branch,override_options) : Use them.
15863 * config/mips/mips.md : Use them.
15865 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
15867 * i386.md (zero_extendqihi2): Use SImode register name with andl.
15869 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
15871 * integrate.c (function_cannot_inline_p): Don't allow inlining
15874 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15876 * c-parse.in (cast_expr): Constify.
15878 * cccp.c (special_symbol): Likewise.
15880 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
15882 * dwarf2out.c (base_type_die): Likewise.
15884 * global.c (allocno_compare): Likewise.
15886 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
15888 * regclass.c (fix_register): Likewise.
15890 * rtl.h (fix_register): Likewise.
15892 * stupid.c (stupid_reg_compare): Likewise.
15894 * toplev.c (decode_f_option): Likewise.
15896 * tree.c (build_complex_type): Likewise.
15898 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
15900 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
15902 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15904 * reload.c (find_reloads): Compute mode and nregs fields of all
15906 * reload1.c (calculate_needs_all_insns): Simplify a bit.
15907 (calculate_needs): Use precomputed mode/nregs values.
15908 (allocate_reload_reg): Likewise.
15910 (failed_reload, set_reload_reg): ... new functions.
15911 (choose_reload_regs_init): New function, mostly broken out from...
15912 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
15913 Also lose one #if 0 block.
15915 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
15917 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
15920 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
15922 * tree.h (BLOCK_TYPE_TAGS): Remove.
15923 (BLOCK_END_NOTE): Likewise.
15924 (BLOCK_LIVE_RANGE_FLAG): Likewise.
15925 (BLOCK_LIVE_RANGE_START): Likewise.
15926 (BLOCK_LIVE_RANGE_END): Likewise.
15927 (tree_block): Remove live_range_flag, live_range_var_flag, and
15928 type_tags. Remove end_note, live_range_start, and live_range_end.
15929 (remember_end_note): Remove prototype.
15930 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
15931 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
15933 * ggc-common.c (ggc_mark_tree_children): Don't mark
15934 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
15935 * integrate.c (adjust_copied_decl_tree): Remove.
15936 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
15937 * stmt.c (last_block_end_note): Remove.
15938 (init_stmt): Don't add a GC root for it.
15939 (expand_fixup): Don't set it.
15940 (remember_end_note): Remove.
15941 (expand_end_bindings): Don't set last_block_end_note.
15943 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15945 * reload1.c (reload_reg_free_for_value_p): Show
15946 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
15949 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
15951 * expmed.c (extract_bit_field): Allow for the case of non-integer
15952 objects that are smaller than a word (like SFmode on a 64-bit
15955 * loop.c (basic_induction_var): A non-integer variable which is
15956 being set by a paradoxical subreg is probably not a biv.
15958 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15960 * prefix.c (translate_name) Check for empty prefix string.
15962 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
15964 * Makefile.in (CPP_CROSS_NAME): New variable.
15965 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
15967 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
15968 names of the files to be uninstalled.
15970 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
15972 * collect2.c (IS_DIR_SEPARATOR): Define.
15973 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
15975 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
15978 * haifa-sched.c (add_dependence): Update the true dependency
15979 cache the first time we add a true dependence to the LOG_LINKS chain.
15981 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
15983 * fold-const.c (fold): Fix comment.
15985 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15987 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
15988 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
15989 dbxout_start_new_source_file, dbxout_source_file,
15990 dbxout_source_line, dbxout_finish, dbxout_type_fields,
15991 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
15993 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
15994 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
15995 (dbxout_block): Initialize variable `blocknum'.
15997 * dbxout.h (dbxout_init, dbxout_finish,
15998 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
15999 dbxout_args, dbxout_source_line): Constify a char*.
16001 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16002 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16003 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16004 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16005 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16006 src_info_attribute, mac_info_attribute, producer_attribute,
16007 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16008 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16009 dwarfout_undef): Constify a char*.
16010 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16012 * dwarfout.h (dwarfout_define, dwarfout_undef,
16013 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16015 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16017 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16018 (MULTILIB_ISA_DEFAULT): New.
16019 (MULTILIB_DEFAULTS): Use it.
16020 * config/mips/mips.c (): Remove the now unnecessary definition
16021 of MIPS_ISA_DEFAULT.
16022 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16023 unnecessary definition.
16025 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16027 * arm.md (pic_load_addr): Add constraints to operand 1.
16029 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16031 * fixinc/genfixes: Provide a means for specifying -D options to
16034 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16036 * arm.c (arm_override_options): Correct initialization of
16037 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16038 arm_is_strong, and arm_is_6_or_7.
16040 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16041 (note_set_pseudo_multiple_uses): New function.
16042 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16043 if a pseudo set in the loop exit is used elsewhere.
16045 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16047 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16049 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16051 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16052 a single load-address pattern.
16054 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16056 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16057 depending on whether or not line-number notes are present.
16059 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16061 * cccp.c (progname, file_buf, default_include, include_file,
16062 macrodef, definition, hashval, wchar_type, user_label_prefix,
16063 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16064 expand_to_temp_buffer, is_system_include, base_name,
16065 absolute_filename, read_name_map, open_include_file,
16066 record_control_macro, check_precompiled, check_preconditions,
16067 pcfinclude, pass_thru_directive, create_definition,
16068 check_macro_name, comp_def_part, collect_expansion,
16069 check_assertion, read_token_list, assertion_install,
16070 assertion_lookup, eval_if_expression, conditional_skip,
16071 validate_else, skip_quoted_string, quote_string, macarg1,
16072 error_from_errno, install, lookup, hashf, dump_defn_1,
16073 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16074 check_white_space, rescan, handle_directive, monthnames,
16075 special_symbol, do_include, remap_include_file, write_output,
16076 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16077 do_ident, do_sccs, do_xifdef, skip_if_group,
16078 output_line_directive, macroexpand, macarg, change_newlines,
16079 initialize_builtins, make_definition): Constify a char*.
16081 * pcp.h (stringdef): Likewise.
16083 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16085 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16088 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16089 Richard Henderson <rth@cygnus.com>
16091 * alias.c: Include ggc.h.
16092 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16093 (record_set): Verify enough room in reg_base_value.
16094 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16095 Register it as a GC root.
16096 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16097 * Makefile.in (alias.o): Depend on ggc.h.
16099 * unroll.c (unroll_loop): Verify the insn before a barrier
16100 is a JUMP_INSN before checking JUMP_LABEL.
16102 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16104 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16105 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16106 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16107 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16108 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16109 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16111 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16113 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16115 * alpha/alpha-interix.h (text_section): Delete prototype.
16116 * alpha/elf.h (text_section): Likewise.
16117 * arm/linux-elf.h (text_section): Likewise.
16118 * arm/linux-telf.h (text_section): Likewise.
16119 * c4x/c4x.h (text_section): Likewise.
16120 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16121 * elfos.h (text_section): Likewise.
16122 * i386/aix386ng.h (text_section): Likewise.
16123 * i386/i386-interix.h (text_section): Likewise.
16124 * i386/sco5.h (text_section): Likewise.
16125 * i386/svr3gas.h (text_section): Likewise.
16126 * nextstep.h (text_section): Likewise.
16127 * psos.h (text_section): Likewise.
16128 * ptx4.h (text_section): Likewise.
16129 * svr3.h (text_section): Likewise.
16130 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16132 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16134 * final.c (peephole): Delete prototype.
16136 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16137 (pre_insert_copies): Remove unused variable `bb'.
16139 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16142 * output.h (peephole): Add prototype.
16144 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16146 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16149 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16151 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16152 for inlined declarations.
16154 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16156 * arm.c (logical_binary_operator): New fucntion.
16157 * arm.h (logical_binary_operator): Declare it.
16158 (PREDICATE_CODES): Handle logical_binary_operator.
16159 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16160 output constraints. Add appropriate splitters.
16161 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16162 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16163 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16165 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16167 * genoutput.c (struct operand_data): New elt eliminable.
16168 (output_operand_data): Write it.
16169 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16170 (compare_operands): Take it into account.
16171 * recog.h (struct insn_operand_data): New elt eliminable.
16172 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16174 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16175 (eliminate_regs): Move code that detects changes to elimination
16176 target regs into new function elimination_effects.
16177 Delete one #if 0 block.
16178 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16179 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16180 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16181 Only call eliminate_regs for real operands of the insn, not for parts
16182 of its structure or parts matched by things like match_operator.
16183 Use elimination_effects and check_eliminable_occurrences. Use
16184 copy_insn to duplicate the pattern when not in the final pass.
16186 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16188 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16191 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16193 * fixinc/README: document the "mach" machine matching test
16194 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16195 * fixinc/fixtests.c: Implement the #else/#endif label test
16196 * fixinc/inclhack.def: utilize these tests and fixes
16197 * fixinc/inclhack.sh: regen
16198 * fixinc/fixincl.x: regen
16199 * fixinc/fixincl.sh: regen
16201 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16203 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16206 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16208 * gcc.1: Document exit codes.
16210 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16212 * calls.c: Include tm_p.h later, so everything we need is defined.
16213 * expr.c: Likewise.
16214 * function.c: Likewise.
16216 * except.c: Include tm_p.h.
16218 * sparc.c: Likewise.
16219 (dwarf2out_cfi_label): Don't prototype.
16220 (check_return_regs, epilogue_renumber,
16221 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16222 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16223 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16224 ultra_schedule_insn): Add static prototype.
16225 (data_segment_operand, text_segment_operand): Call itself with the
16226 proper number of arguments.
16227 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16229 * sparc.h: Move all declarations to sparc-protos.h.
16230 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16233 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16235 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16237 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16238 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16239 ASM_OUTPUT_ASCII): Constify a char*.
16241 * sparc-protos.h: New file for sparc prototypes.
16243 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16245 * function.c (record_insns, contains): Always declare and define.
16246 (record_insns): Mark with ATTRIBUTE_UNUSED.
16248 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16250 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16251 to .section when outputting a .bss section to deal with multiple
16252 .bss input sections (as happens with -fdata-sections)
16253 Also output %progbits, not @progbits so the assembler doesn't treat as
16255 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16257 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16258 thumb parts even when building with non-thumb CPUs, by forcing
16261 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16263 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16264 (movdf_const_intreg_sp64): Similarly.
16266 * local-alloc.c (update_equiv_regs): Check the correct insn
16267 for pre-existing REG_EQUIV notes.
16269 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16271 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16272 block reached by a branch if we're not going to actually process
16275 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16277 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16278 a local extern function declaration.
16280 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16282 * i386.c (ix86_expand_prologue): Properly wrap USE around
16283 reg for CALL_INSN_FUNCTION_USAGE.
16285 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16287 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16288 move between GP_REGs.
16290 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16292 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16293 the mode size when finding out if an offset is legal.
16295 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16297 * basic-block.h (PROP_*): Move constants from ...
16298 * flow.c: ... here.
16299 (compute_bb_for_insn): Free the array before reallocating.
16300 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16301 (allocate_reg_life_data): Reset all reg variables collected by
16303 (get_block_head_tail): Don't convert from bb to block.
16304 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16305 (find_insn_reg_weight): Take block not bb.
16306 (schedule_block): Don't set block num for moved insns.
16307 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16308 (schedule_insns): Do it here instead.
16309 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16310 before update_life_info.
16311 * recog.c (split_all_insns, peephole2_optimize): Update for
16312 new arg to update_life_info.
16313 * rtlanal.c (remove_note): Cope with NULL note.
16314 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16317 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16319 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16321 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16322 block records so that merge_blocks_nomove will clean up correctly.
16323 (split_edge): Handle casesi insns.
16325 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16327 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16329 * pa.md (call, call_value): Do not emit a blockage after restoring
16332 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16334 * c-typeck.c (c_expand_asm_operands): Fix typo.
16336 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16338 * arm.c (fpu_rhs_operand): Verify modes.
16339 (fpu_add_operand): Likewise.
16340 (di_operand): Likewise.
16341 (soft_df_operand): Likewise.
16343 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16345 * arm.c (arm_return_in_memory): APCS rules state that the elements
16346 of a structure returned in a register must be 'integer-like'.
16348 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16350 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16351 in the source tree when the generated targets are out of date
16352 * fixinc/genfixes: Alter it to run individual fixes for make.
16353 * fixinc/README: rewrite
16354 * fixinc/inclhack.def: moved initial comments to README
16356 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16358 * toplev.c (main): Do not generate an error message if an
16359 unrecognised command line switch is recognisable by another
16360 language. If extra_warnings are enabled, then generate a
16361 warning message instead.
16363 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16365 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16366 (insert_pack_attributes): Delete prototype.
16368 * c-pragma.c (default_alignment): New static variable.
16369 (push_alignment): Initialize to current effective alignment.
16370 (pop_alignment): Use to set new alignment.
16371 (insert_pack_attributes): Delete function.
16372 (handle_pragma_token): Set default_alignment as well each time
16373 a #pragma pack(<n>) is encountered.
16375 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16377 * reg-stack.c (stack_result): Aggregates are not returned in
16380 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16382 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16384 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16386 * basic-block.h (set_block_num): Declare.
16387 * flow.c (update_life_info): Don't call compute_bb_for_insn
16388 or free_basic_block_vars.
16389 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16390 (insn_orig_block): Remove.
16391 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16392 (schedule_block): Keep BLOCK_NUM up-to-date.
16393 (schedule_insns): Use compute_bb_for_insn.
16394 * recog.c (split_all_insns): Likewise.
16395 (peephole2_optimize): Likewise.
16397 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16399 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16400 if the pic register is used.
16402 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16404 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16405 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16406 if that tests TREE_PERMANENT.
16408 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16410 * cse.c (invalidate_for_call): Do not remove memory references from
16411 the table here. It's handled elsewhere.
16413 * haifa-sched.c (add_dependence): Protect references to the
16414 true dependency cache with #ifdef INSN_SCHEDULING.
16415 (remove_dependence): Similarly.
16417 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16418 to the cfg code that this is a return instruction.
16419 * mn10300.md (return_internal): Similarly.
16421 * combine.c (get_last_value): If the last set of a register
16422 is after subst_low_cuid, then we can not use it to determine
16423 the register's last value.
16425 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16427 * Makefile.in: Back out previous change.
16429 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16431 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16433 * haifa-sched.c (add_dependence): Only check/update the cache
16435 (remove_dependence): Likewise.
16436 (schedule_insns): Only create the true_dependency_cache if the
16437 average number of instructions in a basic block is very large.
16439 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16441 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16442 (ggc-simple.o): Likewise.
16443 (ggc-page.o): Likewise.
16445 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16447 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16448 Prototype for exported functions.
16449 (pre_lcm, pre_rev_lcm): Remove prototypes.
16450 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16451 (compute_available): Move to lcm.c, and change parameter order.
16452 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16453 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16454 (gcse_main): No longer call compute_preds_succs. Rebuild the
16455 set table after reach pre pass.
16456 (pre_insert_map, pre_delete_map, edge_list): New.
16457 (alloc_pre_mem): Allocate edge vectors.
16458 (free_pre_mem): Delete edge vectors.
16459 (compute_pre_data): Call new edge based lcm routines.
16460 (process_insert_insn): New function.
16461 (insert_insn_end_bb): Use it.
16462 (pre_edge_insert): New function.
16463 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16465 (pre_insert_copies): Revamp using new edge based lcm outputs.
16466 (pre_delete): Likewise.
16467 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16469 (compute_code_hoist_vbeinout): New new edge based routines.
16470 * lcm.c: Remove all the old LCM functions. Replace with new ones
16471 that work with the new cfg datastructures and work with edges
16474 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16476 * reload.h (struct reload): Add new fields "mode" and "nregs".
16477 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16478 to reference the "mode" and "nregs" field within struct reload.
16480 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16482 * haifa-sched.c (true_dependency_cache): New.
16483 (add_dependence): Use the true dependency cache to avoid expensive
16484 walks down the LOG_LINKS dependency list. Add entries to the
16485 cache as necessary.
16486 (remove_dependence): Remove entries from the true dependency cache
16488 (schedule_insns): Allocate and initialize and free the true
16491 * haifa-sched.c (schedule_insns): Do not remove inter-block
16492 dependencies anymore.
16494 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16496 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16497 * i386/t-winnt: Likewise.
16499 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16501 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16503 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16505 * Makefile.in (LANGUAGES): Omit "proto".
16506 (clean): Remove stale comment about removing unprotoize.c.
16508 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16510 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16511 using arithmetic on void pointers.
16513 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16515 * haifa-sched.c (compute_block_forward_dependencies): Only check
16516 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16518 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16520 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16521 (expr_equiv_p): Reject memories with different alias sets.
16523 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16525 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16526 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16527 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16528 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16529 (lang_init): Set default for flag_bounds_check if still "unspecified".
16531 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16533 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16535 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16537 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16540 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16542 * config/c4x/c4x.md (*db_noclobber,
16543 *decrement_and_branch_until_zero_noclobber): New patterns and
16544 associated splitters.
16546 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16548 * config/c4x/c4x.md (parallel instruction patterns): Rework
16549 constraints to keep reload happy.
16551 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16553 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16554 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16555 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16556 Add new patterns and associated post-reload splitters.
16558 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16560 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16562 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16564 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16566 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16568 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16570 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16573 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16575 * pa.c (move_operand): Rely on memory_address_p to determine the
16576 validity of non-indexed memory addresses.
16577 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16578 operand in DFmode and SFmode when generating PA2.0 code.
16580 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16582 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16584 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16586 * mips.c (function_prologue): Fix argument types.
16587 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
16588 (casesi_internal): Write to the scratch register.
16590 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
16592 * cppexp.c (cpp_parse_escape): Make static. Change second arg
16594 (parse_charconst): Delete unnecessary cast when calling
16596 (cpplib.h): Kill prototype of cpp_parse_escape.
16598 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
16600 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
16601 * unroll.c (unroll_loop): Cast return value of alloca.
16602 * i370/i370.c: Include function.h and toplev.h.
16603 (i370_label_scan): Remove c++ commented abort.
16604 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
16605 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
16606 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
16607 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
16609 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
16611 * config/t-freebsd: Do not override USER_H.
16612 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
16614 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
16615 Mumit Khan <khan@xraylith.wisc.edu>
16617 * c-parse.in (component_decl): Support anonymous struct/union.
16619 * c-parse.y: Regenerate.
16620 * c-parse.c: Likewise.
16621 * objc/objc-parse.y: Likewise.
16622 * objc/objc-parse.c: Likewise.
16623 * c-decl.c (finish_struct): Don't sort the fields.
16624 (field_decl_cmp): Delete unused function.
16626 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
16628 * sparc.md (movsf_const_intreg): Revert last constraint change.
16629 (movdf_const_intreg_sp32): Likewise.
16631 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
16633 * cse.c: Include hashtab.h instead of splay-tree.h
16634 (struct cse_reg_info): No longer use variant union. Add new
16635 field "regno". All references changed to avoid union.
16636 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
16637 (free_cse_reg_info): Remove.
16638 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
16639 (get_cse_reg_info): Revamp to use expandable hash tables instead
16640 of splay trees. Initialize new fields in cse_reg_info structure.
16641 (new_basic_block): Similarly.
16643 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
16645 * genrecog.c (message_with_line): Prototype.
16646 (validate_pattern): Pass along the set for the dest, not a flag.
16647 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
16648 Check for PC/CC0 as sources.
16649 (nodes_identical): Check for children position match before
16650 allowing the combination.
16652 * rtl.c (read_rtx): Track line number across \\\n.
16654 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
16656 * mips.h (SPECIAL_MODE_PREDICATES): New.
16657 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
16658 (movdi+1, movsi+1): Add output reload constraint.
16659 (casesi_internal): Likewise. Fix commentary.
16660 (return_internal): Use pmode_register_operand.
16662 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
16664 * 1750a.md (movstrqi): Add missing output reload constraint.
16665 (call_value): Likewise.
16666 * a29k.md (cpxxx patterns): Add missing match_operator mode.
16667 (jmpfdec): Add missing inout reload constraint.
16668 * elxsi.md (addsi patterns): Add missing output reload constraint.
16669 (move from sp): Use @ alternates.
16670 (call_value): No constraint on output.
16671 * fr30.md (movsi_pop): Add missing output reload constraint.
16672 (movsf_constant_store): Likewise.
16673 (splits): Remove constraints.
16674 (subsi3): Add missing mode.
16675 * i370.md (cmpstrsi+1): Add missing output reload constraint.
16676 (call_value): Likewise.
16677 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
16678 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
16679 * m32r.md (movsicc_internal): Add output reload constraint.
16680 (movstrsi_internal): Add inout reload constraints.
16681 * m88k.h (reg_names): Don't declare.
16682 (SPECIAL_MODE_PREDICATES): New.
16683 * m88k.md (*): Use register_operand not reg_or_0_operand
16685 * mn10200.h (PREDICATE_CODES): New.
16686 * ns32k.md (ffs pattern): Add output reload constraint.
16687 * pdp11.md (sob pattern): Add inout reload constraint.
16688 * sh.md (splits): Remove constraints.
16689 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
16690 * v850.md (pattern_is_ok_for_epilogue): Likewise.
16691 * vax.md (jgequ pattern): Add inout reload constraint.
16693 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
16695 * configure.in (djgpp): Revert previous patch.
16696 * configure: Rebuit.
16697 * config/i386/djgpp.h: Revert previous patch.
16699 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
16701 * fixinc/inclhack.def: Restore patch lost during last merge of
16702 "no_bogosity" branch.
16703 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
16705 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16707 * fixincludes: Add a HPUX 11 fix for inttypes.h.
16708 * fixinc/inclhack.def: Same.
16709 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
16711 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
16713 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
16714 as the base of a PLUS.
16716 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16718 * config/c4x/c4x.md: Define mode for remaining unspec operators.
16719 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
16721 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
16723 * pa.md (post_stw+1): Use pmode_register_operand.
16724 (dcacheflush, icacheflush): Likewise.
16726 * i386.md (movstricthi_1): Allow r/r.
16728 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
16730 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
16731 to (not (and (arg0) (arg1))). Similary for and.
16733 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
16734 fallthrough to associate code.
16735 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
16738 * combine.c (simplify_logical): Convert XOR to IOR if operands have
16739 no bits in common; remove XOR to ROTATE conversion.
16741 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16743 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
16745 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16747 * config/c4x/c4x.c (dst_operand): New.
16748 (PREDICATE_CODES): Update.
16749 * config/c4x/c4x.h (dst_operand): Declare it.
16750 * config/c4x/c4x.md: Define mode for each unspec usage.
16751 (move patterns): Use dst_operand predicate instead of src_operand.
16752 (movqi_update, movqf_update): Delete.
16754 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
16756 * recog.c (pmode_register_operand): New.
16757 * recog.h: Declare it.
16758 * genrecog.c (pred_codes): Likewise.
16759 (special_mode_pred_table): Likewise.
16760 (validate_pattern): Don't warn no mode for address_operand.
16762 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
16763 if the operand is not insn-like.
16765 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
16766 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
16768 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
16770 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
16772 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
16773 instead of general_operand in a SET_DEST. Use const_double_operand
16774 instead of an explicit test against CONST_DOUBLE.
16775 (movsf_const_lo): Add missing register mode.
16776 (goto_handler_and_restore): Add auxiliary test for Pmode.
16777 (flush): Adjust to use address_operand.
16778 (return_sf_no_fpu): Add missing output constraint.
16780 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
16782 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
16783 for call return value.
16784 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
16786 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
16788 * toplev.c (main): Only warn about options for other languages.
16789 * collect2.c (main): Pass -w to sub-gcc.
16791 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
16793 * flow.c (propagate_block): Add call-clobbered registers to
16796 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
16797 zapping mem_set_list.
16798 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
16799 (mark_set_1, mark_used_regs): Likewise.
16801 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
16803 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
16805 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16807 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
16808 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
16809 options. Also add a new item "C-only Warning Options" to the
16812 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
16814 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
16815 from multiple calls.
16817 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
16819 * i386.md (call value patterns): Move to the end of the file.
16820 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
16822 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
16824 * configure.in (djgpp configuration): Define extra_objects..
16825 * configure: Rebuilt.
16826 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
16827 (DTORS_SECTION_ASM_OP): Define.
16828 (INIT_SECTION_ASM_OP): Define.
16829 (FINI_SECTION_ASM_OP): Define.
16830 (DATA_SECTION_ASM_OP): Define.
16831 (TEXT_SECTION_ASM_OP): Define.
16832 (EH_FRAME_SECTION_ASM_OP): Define.
16833 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
16834 (STARTFILE_SPEC): Add crtbegin.o.
16835 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
16836 to here from LINK_COMMAND_SPEC.
16837 (DO_GLOBAL_CTORS_BODY): Define.
16838 (CRTSTUFF_USE_FINI_SECTION): Define
16839 (HAS_INIT_SECTION): Delete.
16841 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
16843 * Makefile.in (all.cross): Depend on xcpp$(exeext).
16845 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
16847 * pa.h (PREDICATE_CODES): New.
16849 * genrecog.c (validate_pattern): Condense the destination
16850 non-lvalue message.
16852 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
16854 * alpha.md (call-1): Supply missing mode for operator.
16855 (*): Add missing output reload constraints. Remove constraints
16856 from define_splits.
16858 * i386.h (SPECIAL_MODE_PREDICATES): New.
16859 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
16860 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
16861 (addsi_lea_3): Add missing mode for op 3.
16862 (prologue_set_got, prologue_get_pc): Add missing modes.
16863 (*) Add missing output reload constraints.
16865 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
16867 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
16868 check for member bit-size overflow and use var_size if it occurs.
16869 (layout_record): Use bitsize_int() to define the type size in bits.
16870 Likewise for computation and assignment to DECL_FIELD_BITPOS.
16871 (layout_decl): Likewise when assigning to DECL_SIZE.
16873 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
16875 * genrecog.c (validate_pattern): Typo last change. Verify
16876 that output operands have output reloads.
16878 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
16880 * genrecog.c (special_mode_pred_table): New.
16881 (NUM_SPECIAL_MODE_PREDS): New.
16882 (find_operand): New.
16883 (validate_pattern): New argument `insn'. Warn for assignment to
16884 any predicate accepting non-lvalues. Conditionaly warn for
16885 match_operand without a mode. Try much harder to match source
16886 and destination modes on a set.
16887 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
16889 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
16891 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
16893 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
16895 * combine.c (simplify_logical): Recognize xor pattern that encodes
16898 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16900 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
16903 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
16905 * ggc-page.c (MAP_FAILED): Provide default.
16907 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
16909 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
16910 * sparc.h (PREDICATE_CODES): Update.
16912 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
16914 * alpha.c (some_ni_operand): New.
16915 * alpha-protos.h: Declare it.
16916 * alpha.h (PREDICATE_CODES): Update.
16917 * alpha.md (sXaddq reload insns): Use some_ni_operand
16918 for SET_DEST instead of some_operand.
16920 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
16921 Jim Wilson <wilson@cygnus.com>
16923 * genrecog.c (maybe_both_true_2): Don't compare modes of
16925 (process_tree): Elide peephole2_insns. Invoke simplify_tests
16926 after find_afterward.
16927 (debug_decision_1): Dump next and afterward codes.
16929 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
16931 * rtl.c (dump_and_abort): Remove.
16932 (fatal_with_file_and_line): New.
16933 (fatal_expected_char): New.
16934 (read_rtx_lineno, read_rtx_filename): New.
16935 (read_skip_spaces): Track line number.
16936 (read_name): Use fatal_with_file_and_line.
16937 (read_rtx): Use fatal_expected_char. Track line number.
16938 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
16940 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
16941 if it isn't a CODE_LABEL.
16943 * genattr.c (main): Set read_rtx_filename.
16944 * genattrtab.c (main): Likewise.
16945 * gencodes.c (main): Likewise.
16946 * genconfig.c (main): Likewise.
16947 * genemit.c (main): Likewise.
16948 * genextract.c (main): Likewise.
16949 * genflags.c (main): Likewise.
16950 * genopinit.c (main): Likewise.
16951 * genoutput.c (main): Likewise.
16952 * genpeep.c (main): Likewise.
16954 * genrecog.c (decision_test.u.insn): Add `lineno'.
16955 (pattern_lineno, error_count): New variables.
16956 (message_with_line): New.
16957 (add_to_sequence): Break out checking code to ...
16958 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
16959 (merge_insn): Use message_with_line.
16960 (make_insn_sequence): Use validate_pattern. Record insn lineno.
16961 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
16963 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16965 * expr.c (store_constructor): Clear union if constructor is empty.
16967 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
16969 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
16970 Add !endian checks. Change %{...} to %(...).
16972 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
16974 * i386.md (*addsi3_cc): Renamed from addcsi3.
16975 (*addsi3_carry): Renamed from addxsi3.
16976 (*subsi3_cc): Renamed from subcsi3.
16977 (*subsi3_carry): Renamed from subxsi3.
16978 (*xorqi_cc_1): Renamed from xorcqi_1.
16979 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
16980 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
16982 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
16984 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
16985 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
16987 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
16989 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
16990 climb up the chain of insns.
16992 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
16994 * genrecog.c (write_subroutine): Careful for null trees.
16995 (process_tree): Don't elide empty functions.
16997 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
16999 * Makefile.in (genrtl.o): Depend on ggc.h.
17000 * configure.in (valloc): Probe for it.
17001 (with-gc): Use ggc-page if valloc present.
17002 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17003 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17004 (ggc_alloc_string): Moved from ggc-page.c.
17005 * ggc-none.c (ggc_alloc_obj): New.
17006 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17007 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17008 (struct globals): Likewise for dev_zero_fd.
17009 (init_ggc): Likewise for it's initialization.
17010 (ggc_allocated_p): Move careful dereference from ...
17011 (ggc_lookup_page_table): ... here. Delete.
17012 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17013 (alloc_anon): Use valloc if no mmap.
17014 (release_pages): Use free if using valloc.
17015 (ggc_alloc_obj): Renamed from alloc_obj.
17016 (ggc_set_mark): Renamed from mark_obj.
17017 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17018 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17019 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17020 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17021 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17022 (ggc_collect): Use fp printing instead of our own rounding.
17023 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17024 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17025 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17026 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17027 (struct ggc_string, struct ggc_any): Delete.
17028 (offsetof): Provide default definition.
17029 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17031 (struct ggc_mem): New, from corpse of ggc_any.
17032 (struct ggc_status): Delete.
17033 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17034 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17035 (n_strings_collected, n_anys_collected): Delete.
17036 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17037 (ggc_alloc_string, ggc_alloc): Delete.
17038 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17039 (ggc_free_string, ggc_free_any): Delete.
17040 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17041 (ggc_compare_addresses, ggc_mark_string): Delete.
17042 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17043 (search_data): Delete.
17044 (struct globals): New.
17045 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17046 (tree_insert, tree_lookup): New.
17047 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17048 (clear_marks, sweep_objs): New.
17049 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17050 (init_ggc): Set allocated_last_gc.
17051 (ggc_push_context): Gut. Use G.context.
17052 (ggc_pop_context): Likewise.
17053 (ggc_pop_context_1): New.
17054 (debug_ggc_tree): New.
17055 (debug_ggc_balance, tally_leaves): New.
17056 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17057 (ggc_mark_string_if_gcable): Remove decl.
17058 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17059 (ggc_mark_rtvec_children): New.
17060 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17061 (ggc_mark_if_gcable): New decl.
17062 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17063 (ggc_alloc_tree, ggc_alloc): Likewise.
17064 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17065 (ggc_alloc_obj): New decl.
17066 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17067 (ggc_alloc_tree, ggc_alloc): Likewise.
17068 (ggc_set_mark): New decl.
17069 * rtl.h (struct rtx_def): Remove gc_mark.
17070 (struct rtvec_def): Likewise.
17071 * tree.h (struct tree_common): Likewise.
17073 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17075 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17076 float_format and thread_file definitions.
17077 * configure: Rebuilt.
17079 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17081 * extend.texi (Function Names): Document types of function names.
17083 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17085 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17086 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17088 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17090 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17092 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17094 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17096 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17098 * collect2.c (main): Do prelimnary link on AIX if rflag.
17100 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17102 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17103 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17105 (__do_global_dtors): similarly for __DTOR_LIST__.
17107 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17108 Diego Novillo <dnovillo@cygnus.com>
17110 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17113 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17115 * fixincl/*: Merged "no_bogosity" branch
17116 * fixincl/fixlib.h: protect against doubly defining t_bool
17117 * fixincl/server.h: protect against doubly defining t_bool
17119 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17121 * genoutput.c: Include toplev.h.
17123 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17125 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17127 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17128 * configure: Regenerate.
17130 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17132 * gcse.c (delete_null_pointer_checks): Returns void.
17134 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17136 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17137 * emit-rtl.c (copy_insn_1): Likewise.
17139 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17141 * config/mips/mips.c (mips_build_va_list): Correct
17142 TREE_CHAIN setting when hard-float.
17143 (mips_va_start): Use corrected setting.
17144 (mips_va_arg): Likewise. Also pass a tree to build of
17145 POSTINCREMENT_EXPR rather than a naked 'int'.
17147 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17149 * ggc.h (ggc_push_context): Fix comment.
17150 (ggc_pop_context): Likewise.
17151 (mark_string_if_gcable): Likewise.
17152 * ggc-common.c (ggc_mark_rtx_children): Use
17153 ggc_mark_string_if_gcable.
17154 * ggc-page.c (ggc_lookup_page_table): New function.
17155 (ggc_allocated_p): Likewise.
17156 (mark_obj): Fix formatting.
17157 (ggc_mark_string_if_gcable): New function.
17158 * ggc-simple.c (ggc_allocated_strings): New variable.
17159 (ggc_strings_used): Likewise.
17160 (ggc_compare_addresses): New function.
17161 (ggc_pop_context): Pop the `any' memory too.
17162 (ggc_mark_string_if_gcable): New function.
17163 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17165 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17167 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17168 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17169 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17172 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17174 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17175 (sched_reg_live_length, sched_reg_basic_block): Delete.
17176 (current_block_num, bb_live_regs, old_live_regs): Delete.
17177 (dead_notes, struct sometimes): Delete.
17178 (sched_note_set, birthing_insn_p): Delete.
17179 (adjust_priority): Gut useless reg lifetime code.
17180 (create_reg_dead_note, attach_deaths): Delete.
17181 (attach_deaths_insn, new_sometimes_live): Delete.
17182 (finish_sometimes_live): Delete.
17183 (find_pre_sched_live, find_post_sched_live): Delete.
17184 (update_reg_usage): Delete.
17185 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17186 (schedule_insns): Delete reg lifetime code.
17187 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17188 (unlink_other_notes): Adjust REG_NOTE commentary.
17189 (reemit_notes): Use REG_SAVE_NOTE.
17190 (schedule_block): Likewise.
17191 (schedule_region): Allocate bitmap of blocks in region. Use
17192 count_or_remove_death_notes. Use update_life_info.
17194 * rtl.h (REG_SAVE_NOTE): New.
17195 * rtl.c (reg_note_name): Update.
17197 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17199 * combine.c (refresh_blocks, need_refresh): New.
17200 (combine_instructions): Allocate refresh_blocks. Invoke
17201 update_life_info if needed.
17202 (distribute_notes): Mark refresh_blocks instead of installing
17204 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17205 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17207 * Makefile.in (recog.o): Depend on basic-block.h.
17209 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17211 * genrecog.c (add_to_sequence): Thinko last change: delete
17212 shadowing allow_const_int variable.
17214 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17216 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17217 __GNUC__ and __GNUC_MINOR__.
17219 * gansidecl.h: Likewise.
17225 * toplev.h: Likewise.
17227 * tree.c: Likewise.
17229 * tree.h: Likewise.
17231 * varray.c: Likewise.
17233 * varray.h: Likewise.
17235 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17237 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17238 use one before a jump table.
17240 * rtl.def (ADDRESS): Change documentation to match reality.
17241 * md.texi: Don't document it.
17242 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17245 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17247 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17249 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17250 known predicate block; default allow_const_int true.
17251 (debug_decision_list): New.
17253 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17255 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17257 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17259 * gcse.c (gcse_main): Avoid global optimizations if we have a
17260 large number of basic blocks and the ratio of edges to blocks
17262 (delete_null_pointer_checks): Likewise.
17264 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17266 * c-common.c (check_format_info): Warn if format string isn't a
17269 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17271 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17272 * configure: regenerate
17274 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17276 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17277 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17278 (peepholes): Re-enable.
17280 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17282 * Makefile.in (flow.o): Depend on TREE_H.
17283 * basic-block.h (REG_SET_EQUAL_P): New.
17284 (XOR_REG_SET): New.
17285 (n_edges): Declare.
17286 (free_regset_vector): Remove declaration.
17287 (flow_delete_insn_chain): Declare.
17288 (enum update_life_extent): New.
17289 (update_life_info, count_or_remove_death_notes): Declare.
17290 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17291 Verify register live at bb->global_live_at_start before adding USE.
17292 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17293 (CLEAN_ALLOCA): New.
17295 (PROP_*): New flags.
17296 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17297 (clear_edges): Zero n_edges.
17298 (make_edge): Increment n_edges.
17299 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17300 (flow_delete_insn_chain): Export.
17301 (delete_block): Decrement n_edges.
17302 (merge_blocks_nomove): Likewise.
17303 (life_analysis): Give life_analysis_1 PROP flags.
17304 (verify_wide_reg_1, verify_wide_reg): New.
17305 (verify_local_live_at_start): New.
17306 (update_life_info): Rewrite to call into propogate_block.
17308 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17309 always mark stack pointer. Conditionally mark PIC register.
17310 After reload, mark call-saved registers, return regsiters.
17311 (life_analysis_1): Accept PROP flags not remove_dead_code.
17312 Call mark_regs_live_at_end before zeroing regs_ever_live.
17313 Use calculate_global_regs_live. Copy global_live_at_end before
17314 calling final propagate_block. Zero reg_next_use on exit.
17315 (calculate_global_regs_live): New.
17316 (allocate_bb_life_data): Don't allocate bb->local_set.
17317 (init_regset_vector, free_regset_vector): Remove.
17318 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17319 Test flags before every operation. Warn if prologue/epilogue insn
17320 would have been deleted.
17321 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17322 Use alloc_EXPR_LIST.
17323 (mark_used_regs): Accept and use FLAGS, not FINAL.
17324 Remove special handling for RETURN.
17325 (try_pre_increment): Use alloc_EXPR_LIST.
17326 (dump_flow_info): Dump n_edges.
17327 (unlink_insn_chain, split_hard_reg_notes): Remove.
17328 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17329 (find_insn_with_note, new_insn_dead_notes): Remove.
17330 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17331 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17332 (replace_insns): Remove.
17333 (count_or_remove_death_notes): New.
17334 (verify_flow_info): Abort on error after all checks.
17335 (remove_edge): Decrement n_edges.
17336 (remove_fake_edges): Tweak format.
17337 * haifa-sched.c (schedule_insns): Use split_all_insns.
17338 * output.h (update_life_info): Remove declaration.
17339 * recog.c (split_all_insns): From the corpse of split_block_insns,
17340 do the whole function block by block. Use update_life_info.
17341 (recog_last_allowed_insn): New.
17342 (recog_next_insn): Mind it.
17343 (peephole2_optimize): Set it. Walk backwards through blocks.
17344 Use update_life_info.
17345 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17346 (split_all_insns): Declare.
17347 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17348 Use split_all_insns.
17350 * i386.md (or -1 peep2s): Disable.
17352 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17354 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17355 a single pattern. Scrap the 'd' versions as unnecessary.
17357 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17358 tablejump_mips162,tablejump_internal4): The operands to a
17359 label_ref must be VOIDmode.
17361 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17363 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17365 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17367 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17369 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17371 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17372 cache every function if ggc_p.
17374 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17376 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17377 instead of copy_rtx. Accept sequences that contain asm statements.
17378 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17379 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17380 orig_asm_operands_vector, copy_asm_operands_vector,
17381 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17383 * rtl.h (copy_insn, copy_insn_1): Declare.
17385 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17387 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17389 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17390 arguments to `current_file_function_operand'.
17392 * genrecog.c: Include hard-reg-set.h and resource.h in the
17393 generated output file.
17395 * real.c: Include tm_p.h.
17397 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17399 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17402 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17404 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17405 before the fctiwz insn.
17407 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17408 Mark Mitchell <mark@codesourcery.com>
17410 * tree.c (make_lang_type_fn): New funtion pointer.
17411 (make_lang_type): Call it.
17412 * tree.h (make_lang_type): Declare.
17413 (make_lang_type_fn): Likewise.
17414 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17416 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17418 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17419 make sure that HIGH instructions are copied into BASE_REGS.
17421 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17423 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17425 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17427 * c-decl.c (finish_struct): Use simpler method of
17428 removing elements of a singly-linked list.
17430 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17432 * alpha.md (peephole2's): Comment out peephole2's that generate
17435 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17437 * genrecog.c (add_to_sequence): Disable mode check for
17440 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17442 * ggc-simple.c (init_ggc): Set empty_string.
17444 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17446 * configure.in: Detect mmap. Add --with-gc=foo to select
17447 garbage collector; default to page if mmap available.
17448 * Makefile.in (GGC): Substitute.
17450 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17452 * c-decl.c (ggc_p): Enable.
17454 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17456 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17458 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17460 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17461 string for little-endian-data.
17463 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17465 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17466 case somebody tries to compile --enable-checking code with gcc
17469 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17471 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17474 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17476 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17477 * jump.c (jump_optimize_1): Document why.
17479 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17481 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17482 pointers and casts for `int_handler' and `quit_handler'.
17484 * flow.c (verify_flow_info, split_hard_reg_notes,
17485 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17486 remove_edge, remove_fake_successors): Add static prototypes.
17487 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17488 (mark_set_1): Initialize variable `regno'.
17489 (unlink_insn_chain): Likewise for variable `curr'.
17490 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17492 * loop.c (strength_reduce): Initialize variable
17493 `unrolled_insn_copies'.
17494 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17495 prototypes. Change these functions to take const PTR parameters
17496 to avoid prototype conflict when used as the comparson argument
17498 (check_dbra_loop): Initialize variable `comparison_val'.
17500 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17501 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17502 (find_valid_class): Initialize variable `best_class'.
17503 (find_reloads): Call memcpy, not bcopy.
17505 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17506 (hard_reg_use_compare): Don't needlessly cast away const.
17507 (reload_reg_class_lower): Likewise.
17508 (choose_reload_regs): Initialize variable `regno'.
17510 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17512 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17514 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17516 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17517 ({,d}discard): Add forward declarations. Declare parameter as
17519 (main_without_main): Explicitly declare return type to be int.
17520 (memcpy): Properly declare.
17522 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17523 building the trampoline support, declare malloc, free, and
17525 (__clear_cache): Mark arguments as potentially unused.
17527 * frame.c (toplevel): If inhibit_libc is defined, declare
17530 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17532 * flow.c (make_edge): Accept an optional 2D bitmap in which
17533 to cache edge existence. Update all callers.
17534 (make_label_edge, make_eh_edge): Pass through the edge cache.
17535 (make_edges): Provide the cache.
17537 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17539 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17541 (local_mbtowc): Change the type of variable `i' from int to size_t.
17543 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17544 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17546 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17548 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17549 after other includes that define the appropriate types. Include
17550 tm_p.h for getting user prototypes.
17551 * ggc-callbacks.c (toplevel): Ditto.
17552 * ggc-none.c (toplevel): Ditto.
17553 * gcc-page.c (toplevel): Ditto.
17554 * ggc-simple.c (toplevel): Ditto.
17556 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17557 Jonathan Larmour <jlarmour@cygnus.co.uk>
17559 * config/mips/mips.c (mips_move_2words): Split doubles if
17560 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17562 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17564 * genrecog.c (struct decision_test): New.
17565 (struct decision): Remove test-related members, sort the rest by size.
17566 (IS_SPLIT): Simplify.
17567 (new_decision, new_decision_test): New.
17568 (add_to_sequence): Use them. No special handling for args of
17570 (maybe_both_true): Renamed from not_both_true; return sense changed.
17571 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17572 of maybe_both_true and adjusted for decision_test.
17573 (position_merit): Remove.
17574 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17575 (merge_accept_insn): New, broken out of merge_trees.
17576 (merge_trees): Use them. No special case for c_test; no node
17577 splitting; use test type instead of position_merit.
17578 (factor_tests): New.
17579 (simplify_tests): New.
17580 (break_out_subroutines): Don't write code now.
17581 (find_afterward): New.
17582 (write_afterward, write_switch, write_cond): New.
17583 (write_action, is_unconditional): New.
17584 (write_node): New. Use them.
17585 (write_tree_1): Rewrite. Use the new functions above.
17586 (write_tree): Remove afterward processing.
17587 (write_subroutine): Simplify function variant emission.
17588 (write_subroutines): New.
17589 (same_codes, clear_codes): Remove.
17590 (same_modes, clear_modes): Remove.
17591 (write_header): New, broken out of main.
17592 (make_insn_sequence): Use new_decision and new_decision_test.
17593 (process_tree): New, broken out of main.
17594 (main): Adjust for merge_trees interface change.
17595 Don't #define operands in the output file.
17596 (record_insn_name): New, broken out of make_insn_sequence.
17597 (debug_decision_2, debug_decision_1, debug_decision_0): New.
17598 (debug_decision): New.
17600 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
17602 * resource.c (find_free_register): Mark class_str argument const.
17603 * resource.h: Update prototype to match.
17605 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
17606 * i386.md: Give all anonymous insns names.
17608 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
17610 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
17613 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
17615 * toplev.c (dbr_sched_time): Unconditional.
17616 (peephole2_time): New.
17617 (compile_file): Add pass numbers to all of the dump file suffixes.
17618 Dump peephole2_time. Don't dump times for non-applicable passes.
17619 (rest_of_compilation): Add pass numbers to dump file suffixes.
17620 Conditionalize calls to the scheduler.
17621 * invoke.texi: Update.
17623 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
17625 * flow.c (make_edges): Fix insn iteration.
17626 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
17627 (find_basic_blocks_1): Fix spelling mistake.
17629 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
17631 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
17632 always have side-effects. Use memset not bzero.
17633 (make_node): Likewise.
17635 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
17637 * stmt.c (expand_anon_union_decl): When any of the elements of the
17638 union is addressable, so is the entire union.
17640 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
17642 * sbitmap.c (sbitmap_ones): Don't set too many bits.
17644 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
17645 * bitmap.c (bitmap_operation): Return true iff TO changed.
17646 (bitmap_equal_p): New.
17647 (bitmap_bit_p): Tidy arithmetic.
17648 (debug_bitmap_file): Likewise.
17650 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
17652 * toplev.c (rest_of_compilation): Turn on cse_not_expected
17653 before cse2 instead of after.
17655 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
17657 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
17660 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17662 * cppinit.c (is_idchar initializer): Loosen tests to accept
17665 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
17667 * mips.md: Define conditional move patterns for floating point
17668 operands and DI mode conditions.
17670 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
17672 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
17673 always have side-effects.
17675 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
17677 * mn10200.c (asm_file_start): Fix typo.
17679 * cppinit.c (is_idchar initializer): Tighten tests for when
17680 to put the table into initialized memory.
17682 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
17683 not an array of rtunion.
17684 * gcc-page.c (ggc_alloc_rtvec): Similarly.
17685 * gcc-simple (ggc_free_rtvec): Similarly.
17687 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
17690 * mbchar.h: Add missing #endif.
17692 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
17693 (FPBIT, DPBIT): Define.
17695 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17697 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
17699 * profile.c (instrument_arcs, output_gcov_string,
17700 tablejump_entry_p): Add static prototypes.
17701 (output_gcov_string): Constify a char*.
17703 * regmove.c (replacement_quality, fixup_match_2): Add static
17706 * resource.h (reg_dead_p): Add extern prototype.
17708 * rtl.c (trim_filename): Add static prototype.
17710 * scan-decls.c (skip_to_closing_brace): Likewise.
17712 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
17713 (expand_end_case): Initialize variable `range'.
17714 (emit_case_nodes): Remove unused prototype `rtx_fn'.
17716 * varasm.c (asm_emit_uninitialised): Add static prototype.
17717 (asm_emit_uninitialised, assemble_variable): Mark parameter with
17720 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17722 * cpplib.c (if_directive_nameo): Add static prototype.
17724 * cse.c (cse_insn): Remove unused variable `p'.
17726 * except.c (create_rethrow_ref, push_entry,
17727 receive_exception_label, new_eh_region_entry, find_func_region,
17728 clear_function_eh_region, process_nestinfo): Add static prototypes.
17729 (get_reg_for_handler): Hide definition.
17730 (process_nestinfo): Initialize variable `extra_handlers'.
17732 * expr.h (expand_builtin_longjmp): Add extern prototype.
17734 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
17736 * function.c (prepare_function_start): Likewise.
17737 (pop_function_context_from): Mark parameter `context' with
17739 (push_temp_slots_for_block, flush_addressof): Hide definition.
17741 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
17742 solve_program_flow_graph, calculate_branch_probs,
17743 function_summary, main, fancy_abort): Add prototypes.
17745 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
17746 (add_hash): Constify a char*.
17748 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
17749 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
17750 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
17752 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
17754 * lists.c (free_list, zap_lists): Likewise.
17756 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17758 * alias.c (nonlocal_reference_p): Add static prototype.
17760 * bitmap.c (bitmap_element_allocate): Prototype args in function
17763 * builtins.c (stabilize_va_list): Add static prototype.
17764 (expand_builtin_va_arg): Constify a char*.
17766 * c-lex.c (getch, put_back, extend_token_buffer_to,
17767 read_line_number, token_getch, token_put_back): Add static
17770 * c-parse.gperf (hash, is_reserved_word): Likewise.
17772 * cccp.c (is_dir_separator): Likewise.
17774 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17776 * graph.h: New file to prototype functions exported by graph.c.
17778 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
17780 * graph.c: Include graph.h.
17782 * toplev.c: Likewise. Remove redundant prototypes.
17784 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
17786 * invoke.texi: Removed duplicated description for -Q.
17788 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
17790 * extend.texi: Grammar fix in __extension__ text.
17792 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
17794 * md.texi (define_peephole2): New section.
17796 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
17798 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
17799 (mov $-1 to or peepholer): Enable for pentium when optimizing for
17802 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
17804 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
17806 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
17808 * i386.md (ffs expander): Emit Pentium friendly code for
17811 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
17813 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
17815 (build1): Likewise.
17817 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17819 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
17821 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
17823 * config/m68k/m68k.c (use_return_insn): Return false if the pic
17824 register is in use.
17826 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17828 * md.texi (No Constraints): Delete section.
17829 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
17830 * final.c (final_scan_insn): We always have register constraints.
17831 * genattrtab.c: Don't include "insn-config.h".
17832 (write_attr_case): We always have register constraints.
17833 * genconfig.c (register_constraint_flag): Delete.
17834 (walk_insn_part): Don't check whether we have register constraints.
17835 (main): Don't write out "#define REGISTER_CONSTRAINTS".
17836 * genoutput.c (have_constraints): Delete.
17837 (main): Don't set it.
17838 (output_operand_data): We always have constraints.
17839 (scan_operands): Likewise.
17840 (compare_operands): Likewise.
17841 * local-alloc.c (block_alloc): We always have constraints.
17842 (requires_inout): Always compile this function.
17843 * recog.c (extract_insn): We always have constraints.
17844 (constrain_operands, reg_fits_class_p): Always compile these
17846 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
17848 (struct insn_operand_data): Likewise.
17849 * regclass.c (regclass): We always have constraints.
17850 (record_reg_classes, copy_cost, record_address_regs,
17851 auto_inc_dec_reg_p): Always compile these functions.
17852 * regmove.c (regmove_optimize): We always have constraints.
17853 * reload.c (find_reloads): Likewise.
17854 * reload1.c (reload): Likewise.
17855 (reload_cse_simplify_operands): Likewise.
17856 * i860.c (output_delay_insn): Likewise.
17858 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
17860 * iris6.h (BUILD_VA_LIST_TYPE): Define.
17862 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17864 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
17865 for the va_list record.
17867 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
17869 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
17872 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
17874 * alias.c: Include insn-flags.h.
17875 * Makefile.in (alias.o): Update.
17877 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
17879 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
17880 to LTU and GEU. Handle more cases using sbb.
17882 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
17884 * i386.md (truncatexfdf splitters): Do not use subreg.
17885 (fop XFmode patterns): Fix mode in operand testing.
17887 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
17889 * jump.c (jump_optimize_1): Amend last change to test only the
17890 form of the operand, not the insn.
17892 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
17893 not register_operand to determine when B may need preloading.
17895 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
17897 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
17898 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
17899 (call-value patterns): Move to end of file.
17900 (*): Remove mode from label_ref in (pc) context.
17901 (movstrqi): Use memory not general_operand for BLKmode operands.
17902 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
17903 to register_operand operands.
17904 (peep2 patterns): Convert from commented-out peephole patterns.
17906 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17908 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
17909 to BUILT_IN_INIT_DWARF_REG_SIZES.
17910 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
17911 Renamed from BUILT_IN_DWARF_REG_SIZE; call
17912 expand_builtin_init_dwarf_reg_sizes.
17913 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
17914 with __builtin_init_dwarf_reg_size_table.
17915 * dwarf2out.c (struct reg_size_range): Delete.
17916 (expand_builtin_init_dwarf_reg_sizes): New function.
17917 (expand_builtin_dwarf_reg_size): Delete.
17918 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
17919 (expand_builtin_dwarf_reg_size): Don't declare.
17920 * libgcc2.c (dwarf_reg_size_table_initialized): New.
17921 (dwarf_reg_size_table): New.
17922 (init_reg_size_table): New function.
17923 (copy_reg): Use dwarf_reg_size_table.
17924 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
17927 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
17929 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
17930 Correctly build argument list to constructor and destructor functions.
17932 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
17934 * c-tree.h (warn_float_equal): Declare.
17935 * c-decl.c (warn_float_equal): Define.
17936 (c_decode_option): Recognize -W[no-]float-equal.
17937 * c-typeck.c (build_binary_op): Conditionally warn
17938 about equality tests of floating point types.
17939 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
17940 * invoke.texi: Add docs for -Wfloat-equal warning.
17942 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
17944 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
17945 generating RTL directly.
17946 * mips.h (INIT_TARGET_OPTABS): Likewise.
17947 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
17949 * expr.h (init_mov_optab): Delete declaration
17951 * h8300.c (WORD_REG_USED): Update to avoid useless register
17952 saves in interrupt functions and functions which never return.
17954 * cse.c (struct set): Delete inner_dest_loc field.
17955 (cse_insn): Remove assignments to inner_dest_loc field.
17957 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
17959 * ggc-page.c: Don't include <unistd.h> etc taken care of
17960 by "system.h". Include <sys/mman.h> afterward.
17962 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
17964 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
17967 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
17969 * xcoffout.c (xcoffout_declare_function): Add documentation.
17970 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
17971 TARGET_64BIT. Compare constant to -1, not bit pattern.
17972 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
17973 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
17976 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
17978 * dwarf2out.c (add_abstract_origin_attribute): Abort if
17979 origin_die is NULL.
17980 (gen_inlined_enumeration_type_die): Do not abort if the type has
17981 not been writeen out.
17982 (gen_inlined_structure_type_die): Do not abort if the type has
17983 not been writeen out.
17984 (gen_inlined_union_type_die): Do not abort if the type has
17985 not been writeen out.
17986 (gen_tagged_type_instantiation_die): Do not abort if the type
17987 has not been written out.
17989 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17991 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
17993 * reg-stack.c (straighten_stack): Copy hard reg set with
17996 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
17998 * builtins.c (stabilize_va_list): Stabilize array type va_list
17999 to a pointer type, not the base record type.
18000 (expand_builtin_va_copy): Dereference the pointers explicitly;
18001 use the correct size for the copy.
18003 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18004 (rs6000_va_arg): Likewise.
18006 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18008 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18010 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18012 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18014 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18016 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18018 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18019 (init_ggc): Use it instead of a constant.
18020 (ggc_collect): Bound allocated_last_gc by it.
18022 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18024 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18027 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18029 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18030 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18031 * configure: Regen.
18032 * config/mips/openbsd.h: New, OpenBSD little endian target.
18033 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18034 * config/mips/xm-openbsd.h: New, OpenBSD host.
18036 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18038 * config/m68k/m68k.c (output_function_prologue,
18039 output_function_epilogue): Use
18040 current_function_uses_pic_offset_table instead of regs_ever_live
18041 to decide whether to save/restore pic register.
18042 (legitimize_pic_address): Don't modify regs_ever_live any more.
18044 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18046 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18047 * stor-layout.c (variable_size): Don't add sizes to the pending
18048 sizes list if x_dont_save_pending_sizes_p is set.
18050 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18052 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18053 for symbolic_operand().
18054 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18056 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18058 * combine.c (gen_rtx_combine): Add missing call to va_end().
18060 * final.c (asm_fprintf): Likewise.
18062 * genattrtab.c (attr_rtx): Likewise.
18064 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18066 * cse.c: Update comments.
18067 (cse_insn): When converting a conditional/computed jump into
18068 an unconditional jump, always make sure a BARRIER immediately
18069 follows the converted jump. Do not delete unreachable code.
18070 (cse_basic_block): Do not delete unreachable code.
18071 * toplev.c (rest_of_compilation): Move call to
18072 delete_trivially_dead_insns after the conditional call to
18075 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18077 * collect2.c (make_temp_file): Don't prototype.
18079 * gcc.c (make_temp_file): Likewise.
18081 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18083 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18085 * varasm.c (asm_emit_uninitialised): New function: Generate
18086 the assembler statements necessary to declare an uninitialised
18088 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18090 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18091 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18093 (assemble_variable): Use asm_emit_uninitialised to emit an
18094 uninitialised variable.
18096 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18098 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18099 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18100 <geoffk@cygnus.com>.
18102 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18104 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18105 * c-common.h (builtin_function): Don't declare.
18107 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18109 (pushdecl): Likewise.
18110 (finish_decl): Likewise.
18111 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18112 int. All callers changed.
18113 Set the builtin's DECL_BUILT_IN_CLASS.
18114 * tree.h (enum built_in_class): New.
18115 (enum built_in_function): Delete NOT_BUILT_IN.
18116 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18118 (DECL_SET_FUNCTION_CODE): Likewise.
18119 (DECL_BUILT_IN_CLASS): New macro.
18120 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18121 (struct tree_decl): Split builtin function code field into a
18123 (builtin_function): Declare.
18125 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18127 * optabs.c (init_traps): Fix typo in last change.
18129 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18131 * toplev.c (rest_of_decl_compilation): Update comment.
18133 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18135 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18136 in .sbss if appropriate.
18137 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18138 (SBSS_SECTION_ASM_OP): New macro.
18139 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18140 (EXTRA_SECTIONS): Add in_sbss.
18141 * config/mips/mips.h: Prototype sbss_section.
18143 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18145 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18148 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18150 * optabs.c (init_traps): Register trap_rtx as a GC root.
18152 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18154 * config/mips/mips.c (function_arg_pass_by_reference): Define
18155 unconditionally, since it's called unconditionally.
18157 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18159 * toplev.c (documented_lang_options): Add -fshort-wchar.
18160 * c-decl.c (c_decode_option): Likewise.
18161 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18163 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18164 * gcc.c (default_compilers): If -fshort-wchar,
18165 override __WCHAR_TYPE__.
18166 * tm.texi (C Dialect Options): Add -fshort-wchar.
18168 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18169 symbol for a variable.
18171 * cpplib.h (CPP_PREPROCESSED): New macro.
18172 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18173 we're seeing this input for a second time.
18175 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18177 * emit-rtl.c (init_emit_once): Initialize modes first.
18179 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18181 * config/i386/i386.c (pic_label_name): Change to char pointer.
18182 (global_offset_table): New variable.
18183 (load_pic_register): Fill global_offset_table if it hasn't
18184 already been done. Allocate pic_label_name dynamically.
18185 * ggc.h (empty_string): New variable.
18186 * ggc-simple.c (empty_string): Likewise.
18187 (init_ggc): Allocate empty_string and add as root.
18188 * stmt.c (digit_strings): New variable.
18189 (init_stmt): Add last_block_end_note as root. Allocate and
18190 initialize digit_strings.
18191 (expand_asm_operands): Use empty_string instead of string
18192 constant. Use digit_strings instead of string constants.
18193 * profile.c (init_arc_profiler): Allocate string with
18194 ggc_alloc_string instead of xmalloc.
18195 (output_func_start_profiler): Likewise.
18196 * c-typeck.c (digest_init): Check if init is error_mark_node.
18198 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18199 Richard Henderson <rth@cygnus.com>
18201 * ggc-page.c: New file.
18202 * Makefile.in (ggc-page.o): New.
18204 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18206 * invoke.texi: Document -fdelete-null-pointer-checks
18207 * toplev.c (flag_delete_null_pointer_checks): New.
18208 (f_options): Add entry for -fdelete-null-pointer-checks.
18209 (rest_of_compilation): Conditionalize null pointer check
18210 elimination on flag_delete_null_pointer_checks.
18211 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18213 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18215 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18216 copyright notice and special exception to GPL.
18218 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18220 * abi64.h (mips_function_value): Add prototype arguments.
18222 * mips-protos.h: New file with mips prototypes.
18224 * mips.c: Include "tm_p.h".
18225 (mktemp, lookup_name): Add prototype arguments.
18226 (extern_list, string_constant, mips_fill_delay_slot,
18227 mips_output_external, mips_output_external_libcall,
18228 mips_output_filename, mips_declare_object, function_prologue,
18229 mips_expand_prologue, function_epilogue, mips16_constant,
18230 build_mips16_function_stub, mips_output_conditional_branch):
18232 (mips_va_start): Remove unused variable `u'.
18233 (mips_va_arg): Cast value to unsigned when comparing against one.
18235 (save_restore_insns, mips_expand_prologue): Add missing arg in
18236 call to `large_int'.
18238 * mips.h: Move prototypes to mips-protos.h.
18239 (data_section, memory_address_p, rdata_section,
18240 readonly_data_section, simple_epilogue_p, text_section): Delete
18241 prototypes delcared elsewhere.
18242 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18244 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18246 * mips.md: Delete extra args in call to `mips_move_2words'.
18248 * xm-iris6.h (alloca): Add prototype argument.
18250 * genpeep.c: Include "tm_p.h" in generated output file.
18252 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18254 * basic-block.h (find_edge_index): Change parameters.
18255 * flow.c (verify_edge_list): Pass basic_block parameters to
18256 find_edge_index instead of integers.
18258 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18260 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18263 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18265 * gcc.1: Fix a formatting error.
18267 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18269 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18270 i786, mn10200, mn10300, pdp11, v850.
18272 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18274 * libgcc2.c (num_digits): Add prototype with
18275 __attribute__((const)).
18276 (__terminate): Add prototype.
18278 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18280 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18282 * alpha/alpha.c (print_operand): Fix type of `code'.
18283 (alpha_output_filename): Constify.
18284 * alpha/alpha.h: Move all function declarations ...
18285 * alpha/alpha-protos.h: ... here. New file.
18286 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18287 (SECTION_FUNCTION_TEMPLATE): Likewise.
18289 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18291 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18292 * expr.c (expand_expr): Likewise.
18293 (do_jump): Likewise.
18294 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18295 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18297 (enum can_compare_purpose): New.
18298 (can_compare_p): Adjust prototype.
18299 (prepare_cmp_insn, prepare_operand): Declare.
18300 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18301 * optabs.c (cmp_available_p): Deleted.
18302 (expand_abs): Pass ccp_jump to can_compare_p.
18303 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18304 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18305 Call can_compare_p rather than cmp_available_p.
18306 (prepare_operand): No longer static.
18307 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18308 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18309 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18310 sequence to use emit_cmp_and_jump_insns.
18311 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18313 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18315 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18316 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18317 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18318 (plus (reg) (const_int 0))
18319 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18321 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18323 * rs6000.c (expand_block_move): DImode loads and stores require
18324 word-aligned displacements. Increment address registers with
18325 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18327 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18329 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18330 is no name for the base type, rather than segfault. If we are
18331 writing out a complex integer type, use DW_ATE_lo_user.
18333 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18334 in one word or less (complex char, complex short, or on 64 bit
18335 systems complex float) to/from a hard register, copy it through
18336 memory instead of dying in gen_{real,imag}part. If we have a
18337 short complex type, prevent inlining since it allocates stack
18340 * tree.c (build_complex_type): If we are writing dwarf2 output,
18341 generate a name for complex integer types.
18343 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18345 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18346 * flow.c (remove_edge): Remove extra whitespace.
18347 (remove_fake_edges): Fix comment.
18348 (add_noreturn_fake_exit_edges): Use the correct name.
18350 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18352 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18353 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18354 (clean): Depend on INTL_CLEAN.
18355 (maintainer-clean): Adjust.
18357 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18359 * configure.in (AC_PREREQ): Bump to 2.13.
18360 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18362 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18364 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18366 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18368 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18369 (HAVE_STRINGIZE): Define.
18371 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18373 * c-parse.in: save and restore warn_pointer_arith on __extension__
18374 along with pedantic.
18375 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18376 Set the type of extension to itype rather than $<itype>1 kludge.
18377 * extend.texi (Alternate Keywords): Adjust documentation.
18378 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18380 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18382 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18383 most assembler templates.
18385 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18386 FP loads and stores.
18387 (following_call): Always return zero for the PA8000.
18388 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18389 FP loads and stores.
18390 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18392 * pa.h (BRANCH_COST): Define.
18394 * pa.md (return, return_internal): Use bve for PA2.0.
18396 * pa.md (fused multiply): Add variants which reduce height for the
18397 fused multiply, but which still generate 2 insns.
18398 (fnegabs): Similarly.
18400 * pa.md (subsi3): Turn into an expander. Create two anonymous
18401 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18402 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18404 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18406 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18408 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18409 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18411 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18414 * flow.c (record_active_eh_regions): Terminate loop after finding
18415 the last insn in the last basic block.
18417 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18419 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18421 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18423 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18425 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18427 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18428 splitting to not use output template.
18430 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18432 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18433 * config/c4x/c4x.c (c4x_va_start): New function.
18435 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18437 * genrecog.c (not_both_true): Handle correctly cases when called for
18438 tests with different positions in the insn.
18440 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18442 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18444 * system.h (HOST_PTR_PRINTF): ... to here.
18446 * mips-tfile.c: Don't include machmode.h.
18448 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18449 (mips-tfile.o): Don't depend on machmode.h.
18451 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18453 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18454 avoid conflicts with typedef struct `region' at the top level scope.
18456 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18458 * basic-block.h (basic_block): Add eh_beg, eh_end.
18459 * flow.c (entry_exit_blocks): Update.
18460 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18461 Call new functions.
18462 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18463 lists.c functions to allocate insn lists.
18464 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18466 (make_eh_edge): ... here. New.
18467 (move_stray_eh_region_notes): New.
18468 (record_active_eh_regions): New.
18469 (delete_unreachable_blocks): Split out block merging ...
18470 (try_merge_blocks): ... here. New.
18471 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18472 Dump debugging data.
18473 (merge_blocks_move_successor_nojumps): Likewise.
18474 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18476 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18478 * extend.texi (Bound member functions): Document unbound pmf
18481 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18483 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18484 has the EXIT_BLOCK as a dest.
18486 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18488 * flow.c (remove_edge): New function to remove an edge from the
18490 (remove_fake_successors): New function to remove fake successor edges.
18491 (remove_fake_edges): New function to remove all fake edges from the
18493 (add_fake_exit_edges): New function to add fake edges from all blocks
18494 with no successors to the exit block.
18495 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18496 prototypes for new functions.
18498 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18500 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18501 Use Pmode to determine whether to output .dword or .word.
18503 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18505 * tree.c (built_in_filename): New variable.
18506 (BUILT_IN_FILENAME): New macro.
18507 (init_tree_codes): Allocate built_in_filename.
18508 (make_node): Use built_in_filename instead of string constant.
18510 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18512 * configure.in: Add fr30 target.
18513 * configure: Regenerate.
18514 * config/fr30: New directory.
18515 * config/fr30/crti.asm: New file.
18516 * config/fr30/fr30.c: New file.
18517 * config/fr30/crtn.asm: New file.
18518 * config/fr30/fr30.h: New file.
18519 * config/fr30/fr30.md: New file.
18520 * config/fr30/lib1funcs.asm: New file.
18521 * config/fr30/t-fr30: New file.
18522 * config/fr30/xm-fr30.h: New file.
18524 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18526 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18527 BARRIER at the end of the successor, not the BARRIER before
18530 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18532 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18534 * stmt.c (any_pending_cleanups): Don't crash when
18535 current_function->stmt is unset.
18537 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18539 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18540 other initializations that may use it for relative offsets.
18542 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18544 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18545 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18546 * config/i386/sol2dbg.h: Removed.
18547 * config/i386/sol2gas.h: New file, to enable gas work-around.
18548 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18549 Don't use sol2dbg.h.
18550 * configure: Rebuilt.
18552 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18554 * invoke.texi (-fthis-is-variable): Remove documentation.
18556 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18558 * basic-block.h (compute_bb_for_insn): Declare.
18559 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18560 to use; set size of basic_block_for_insn directly.
18561 (find_basic_blocks): Update.
18563 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18565 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18567 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18569 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18570 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18572 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18574 * c-decl.c (c_decode_option): Extend comment.
18576 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18578 * toplev.c (progname): Make 'const char *'
18579 (flag_print_mem): Move out of main.
18580 (version_flag): Move out of main.
18581 (filename): Move out of main.
18582 (debug_args): Remove g prefix from options.
18583 (documented_lang_options): Remove cpplib specific options.
18584 (display_help): Add g prefix to debug options.
18585 (check_lang_option): Delete this function.
18586 (decode_d_option): New function: Decode -d... option.
18587 (decode_f_option): New function: Decode -f... option.
18588 (decode_W_option): New function: Decode -W... option.
18589 (decode_g_option): New function: Decode -g... option.
18590 (independent_decode_option): New function: Decode a language
18591 independent command line option.
18592 (main): Invoke lang_decode_option and then
18593 independent_decode_option on each command line option in
18596 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
18598 Revert this change. Gavin's patch to operand_equal_p is a better fix.
18599 * fold-const.c (fold_range_test): Do not try to fold the range
18600 test if the rhs or lhs has side effects.
18602 * basic-block.h (compute_flow_dominators): Declare.
18604 * gcse.c (alloc_code_hoist_mem): New function.
18605 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
18606 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
18607 (hoist_code, one_code_hoisting_pass): Likewise.
18608 (gcse_main): If optimizing for size, then hoist expressions
18609 computed in multiple dominated basic blocks.
18611 * gcse.c (invalid_nonnull_info): New function.
18612 (delete_null_pointer_checks): Likewise.
18613 * rtl.h (delete_null_pointer_checks): Declare.
18614 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
18616 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
18617 (merge-blocks_move_successor_nojumps): Likewise.
18618 (merge_blocks): Allow merging of some blocks, even if it requires
18619 physical movement of the blocks, but not if it requires new jumps.
18621 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
18622 Callers and prototype changed.
18623 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
18625 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18627 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
18628 -YP when both -p and -pg are present. From i386/sol2.h.
18630 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18632 * Makefile.in (distclean): Delete tm_p.h.
18633 * configure.in: Create a new file, "tm_p.h", from a list in
18634 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
18635 "i386/i386-protos.h".
18637 * alias.c: Include "tm_p.h".
18638 * c-typeck.c: Likewise.
18639 * calls.c: Likewise.
18641 * emit-rtl.c: Likewise.
18642 * explow.c: Likewise.
18643 * expmed.c: Likewise.
18644 * expr.c: Likewise.
18645 * final.c: Likewise.
18646 * flow.c: Likewise.
18647 * fold-const.c: Likewise.
18648 * function.c: Likewise.
18649 * gcse.c: Likewise.
18650 * global.c: Likewise.
18651 * haifa-sched.c: Likewise.
18652 * integrate.c: Likewise.
18653 * jump.c: Likewise.
18654 * local-alloc.c: Likewise.
18655 * loop.c: Likewise.
18656 * optabs.c: Likewise.
18657 * recog.c: Likewise.
18658 * reg-stack.c: Likewise.
18659 * regclass.c: Likewise.
18660 * regmove.c: Likewise.
18661 * reload.c: Likewise.
18662 * reload1.c: Likewise.
18663 * reorg.c: Likewise.
18664 * resource.c: Likewise.
18665 * stmt.c: Likewise.
18666 * stor-layout.c: Likewise.
18667 * toplev.c: Likewise.
18668 * tree.c: Likewise.
18669 * unroll.c: Likewise.
18670 * genattrtab.c (main): Make generated file include "tm_p.h".
18671 * genemit.c (main): Likewise.
18672 * genoutput.c (main): Likewise.
18673 * genrecog.c (main): Likewise.
18675 * i386.h: Delete all prototypes.
18676 * i386.c: Include "tm_p.h".
18677 (ix86_attr_length_default): Call constant_call_address_operand
18678 with correct number of arguments.
18679 * i386-protos.h: New file.
18680 * i386.md (unnamed patterns): Call constant_call_address_operand
18681 with correct number of arguments.
18682 (exception_receiver): Call load_pic_register with correct number
18685 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
18687 * c-pragma.c (mark_align_stack): Dereference the void* properly.
18689 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
18691 * rtl.h (insns_safe_to_move_p): New function.
18692 * loop.c (find_and_verify_loops): Use it.
18693 * rtlanal.c (insns_safe_to_move_p): Define it.
18695 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
18697 * c-pragma.c: Include ggc.h.
18698 * Makefile.in (c-pragma.o): Update.
18700 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18702 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
18703 (LIB_SPEC): Likewise.
18704 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
18705 Reindent -YP/-p/-pg.
18706 Copied from config/sparc/sol2.h.
18708 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
18710 * c-pragma.c (mark_align_stack): New.
18711 (init_pragma): New.
18712 * c-pragma.h (init_pragma): Declare it.
18713 * c-lex.c (init_parse): Call it.
18715 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18717 * configure.in: Pick up thread library on Solaris/x86 just
18718 like on Solaris/sparc.
18719 * configure: Rebuilt.
18721 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
18723 * rtl.h (global_rtx_index): New enum.
18724 (global_rtl): Change to array of rtx.
18725 (pc_rtx, cc0_rtx): Redefine accordingly.
18726 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
18727 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
18728 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
18729 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
18730 (const_int_rtx): Change to array of rtx.
18731 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
18733 * emit-rtl.c (global_rtl): Change to array of rtx.
18734 (const_int_rtx): Change to aray of rtx.
18735 (gen_rtx_CONST_INT): Redefine accordingly.
18736 (init_emit_once): Allocate and initialize global_rtl. Likewise
18737 for const_int_rtx. Add both as GC roots.
18738 * genattrtab.c (global_rtl): Update declaration.
18740 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
18742 * Makefile (USER_H): Add iso646.h back.
18744 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
18746 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
18747 zapping the LOG_LINKS of sched_before_next_call.
18749 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
18750 * pa.c (insn_refs_are_delayed): Renamed from
18751 insn_sets_and_refs_are_delayed.
18753 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
18755 * functiion.h (struct function): Add x_whole_function_mode_p.
18756 (retrofit_block): Declare.
18757 * function.c (retrofit_block): New function.
18758 (identify_blocks): Add assertions. Allow an incomplete set of
18759 block notes if we're still generating code for the function.
18760 * integrate.c: Include loop.h.
18761 (expand_inline_function): Call find_loop_tree_blocks to map block
18762 notes to blocks when in whole-function mode. Use retrofit_block
18763 to insert new BLOCKs for the inlined function, rather than
18765 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
18766 * Makefile.in (integrate.o): Depend on loop.h.
18768 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
18770 * tree.h (warn_about_unused_variables): Declare.
18771 * stmt.c (warn_about_unused_variables): New function, split out
18773 (expand_end_bindings): Here.
18775 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
18777 * stmt.c (preserve_subexpressions_p): Don't crash when
18778 current_function->stmt is unset.
18780 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
18782 * stmt.c (expand_start_bindings): Allow callers to pass a flag
18783 indicating that no NOTE_INSN_BLOCK_BEG note is required.
18784 (expand_start_target_temps): Use it.
18785 * except.c (expand_eh_region_start_for_decl): Likewise.
18786 * expr.c (expand_expr): Likewise.
18788 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
18790 * fold-const.c (operand_equal_p): Pay attention to side effects.
18792 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
18794 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
18795 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
18797 * tlink.c (scan_linker_output): Look for keywords before accepting
18798 a mangled name in quotes.
18800 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
18802 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
18803 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
18805 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
18807 * alpha.md: Revert Thu Nov 26 change that came in through the
18808 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
18809 Avoid earlyclobber when possible.
18811 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18813 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
18815 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
18816 Define HAVE_ON_EXIT.
18818 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18820 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
18821 CTYPE_CONV in all ctype macros.
18823 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
18826 * cexp.y (initialize_random_junk): Likewise.
18828 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
18830 * i370.c (handle_pragma): Likewise.
18832 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
18834 * v850.c (override_options): Likewise.
18836 * doprint.c (_doprnt): Likewise.
18838 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
18841 * fixinc/server.c (load_data): Likewise.
18843 * fold-const.c (real_hex_to_f): Likewise.
18845 * genattr.c (write_upcase, gen_attr): Likewise.
18847 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
18848 write_upcase): Likewise.
18850 * genemit.c (print_code): Likewise.
18852 * genopinit.c (gen_insn): Likewise.
18854 * genpeep.c (print_code): Likewise.
18856 * genrecog.c (print_code): Likewise.
18858 * optabs.c (init_libfuncs): Likewise.
18860 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
18862 * haifa-sched.c (sched_analyze): Keep the list of notes organized
18864 (reemit_notes): Likewise.
18866 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
18868 * ggc.h (ggc_root): Move to ggc-common.c.
18870 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
18871 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
18872 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
18873 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
18874 * ggc-common.c (ggc_root): Move from ggc.h.
18875 (roots): Declare, static.
18876 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
18877 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
18878 null or check/set mark bit.
18879 (ggc_mark_roots): New.
18880 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
18882 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
18884 * m32r.c: Include toplev.h.
18885 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
18886 (gen_compare): Rename swap_p to must_swap to match uses.
18887 Add default abort case.
18888 (m32r_output_function_epilogue): Remove unused variables.
18889 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
18890 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
18891 define to empty parameter list. Update all uses.
18892 (predicate decls): Use enum machine_mode not int.
18893 * m32r.md (movsi): Call abort, not fatal_insn.
18894 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
18896 1999-09-14 Andrew Haley <aph@cygnus.com>
18898 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
18899 use $0 instead of 0.
18901 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18903 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
18904 computation out of loop over hard regs.
18906 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
18908 * function.c (identify_blocks): Don't shadow a variable in an
18910 * integrate.c (integrate_decl_tree): Don't use pushlevel,
18911 pushdecl, or poplevel to build up the new BLOCK tree.
18912 (expand_inline_function): Likewise.
18913 (integrate_parm_decls): Likewise.
18915 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
18917 * c-typeck.c (qualify_type): Merge qualifiers from both types.
18919 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
18921 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
18922 * invoke.texi: Document this change.
18924 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
18926 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
18928 (mark_emit_status): Renamed from mark_emit_state.
18929 * except.c (mark_eh_status): Renamed from mark_eh_state.
18930 Check not null before marking.
18931 (free_eh_status): New.
18932 * expr.c (mark_expr_status, free_expr_status): New.
18933 * function.c (free_machine_status): New.
18934 (free_after_parsing): New.
18935 (free_after_compilation): Move bits to free_after_parsing; call
18936 free_eh_status, free_expr_status; zero the marked members of the
18938 (prepare_function_start): No can_garbage_collect.
18939 Call init_eh_for_function.
18940 (expand_dummy_function_end): Free up current_function state.
18941 (mark_function_status): Renamed from mark_function_state.
18942 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
18943 * function.h (struct function): No can_garbage_collect.
18944 (free_machine_status, free_after_parsing): Declare.
18945 (free_eh_status, free_expr_status): Declare.
18946 * ggc.h (mark_expr_status): Declare.
18947 * stmt.c (free_stmt_status): Free the struct.
18948 (mark_stmt_status): Renamed from mark_stmt_state.
18949 (init_stmt): Don't call init_eh.
18950 (init_stmt_for_function): Don't call init_eh_for_function.
18951 * toplev.c (compile_file): Call init_eh.
18952 (rest_of_compilation): Free basic block info before ggc_collect.
18953 Call free_after_parsing; conditionally call free_after_compilation.
18954 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
18955 Check not null before marking.
18956 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
18958 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
18960 * c-lex.c (yylex): Initialize warn.
18962 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
18964 * pa.c (emit_move_sequence): Properly set the mode of the scratch
18965 register when performing secondary reloads for the SAR register.
18967 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
18969 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
18970 (NOTE_BLOCK): New macro.
18971 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
18972 * function.h (identify_blocks): Change prototype.
18973 * function.c (identify_blocks): Simplify.
18974 (reorder_blocks): Likewise.
18975 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
18976 NOTE_INSN_BLOCK_{BEG,END}.
18977 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
18978 the list of saved notes if the note isn't a
18979 NOTE_INSN_BLOCK_{BEG,END}.
18980 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
18982 (reemit_notes): Adjust recreation of notes to reflect new saved
18984 * print-rtl.c (print_rtx): Print the address of the BLOCK when
18985 printing a block note.
18986 * stmt.c (block_vector): Remove.
18987 (find_loop_tree_blocks): Simplify.
18988 (unroll_block_trees): Likewise.
18989 * tree.h (reorder_block): Change prototype.
18991 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
18993 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
18994 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
18995 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
18996 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
18997 (atexit, exit): Simplify.
18998 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
18999 * config/lots: Remove defns of HAVE_ATEXIT.
19001 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19003 * calls.c (precompute_arguments): Fix typo in comment.
19004 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19007 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19009 * dsp16xx.c (override_options): Fix typos in GC root registration.
19011 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19013 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19014 from config/svr4.h.
19015 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19016 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19017 (CC1_SPEC): Likewise.
19019 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19021 * genattr.c (main): Add extern prototype. Call return, not exit.
19022 * genattrtab.c (main): Likewise.
19023 * gencheck.c (main): Likewise.
19024 * gencodes.c (main): Likewise.
19025 * genconfig.c (main): Likewise.
19026 * genemit.c (main): Likewise.
19027 * genextract.c (main): Likewise.
19028 * genflags.c (main): Likewise.
19029 * gengenrtl.c (main): Likewise.
19030 * genopinit.c (main): Likewise.
19031 * genoutput.c (main): Likewise.
19032 * genpeep.c (main): Likewise.
19033 * genrecog.c (main): Likewise.
19035 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19036 * genattrtab.c (get_insn_name): Likewise.
19037 * gencodes.c (get_insn_name): Likewise.
19038 * genconfig.c (get_insn_name): Likewise.
19039 * genemit.c (get_insn_name): Likewise.
19040 * genextract.c (get_insn_name): Likewise.
19041 * genflags.c (get_insn_name): Likewise.
19042 * genopinit.c (get_insn_name): Likewise.
19043 * genpeep.c (get_insn_name): Likewise.
19045 * gencheck.c (usage): Add static prototype.
19046 * genextract.c (print_path): Constify a char*.
19047 * genopinit.c (optabs): Likewise.
19048 * genoutput.c (operand_data, data, output_predicate_decls,
19049 compare_operands): Likewise.
19050 * genrecog.c (write_tree): Add default case in switch.
19052 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19054 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19056 * print-rtl.c (get_insn_name): Remove prototype.
19058 * toplev.h (progname): Declare const.
19060 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19061 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19062 dump_sched_info, dump_local_alloc, regset_release_memory,
19063 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19064 error_with_file_and_line, error_with_decl, error_for_asm, error,
19065 fatal, warning_with_file_and_line, warning_with_decl, warning,
19066 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19067 Remove redundant prototypes.
19069 (notice, check_lang_option, report_file_and_line, vnotice,
19070 mark_file_stack): Add static prototype.
19071 (set_fatal_function): Add prototype.
19072 (vnotice, report_file_and_line, set_fatal_function,
19073 check_lang_option): Constify a char*.
19074 (main): Prototype. Call return, not exit.
19076 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19078 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19080 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19082 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19084 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19086 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19088 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19089 behave as if it's zero in all cases.
19090 (expand_function_start): Adjust call to assign_parms.
19091 * tree.h (assign_parms): Adjust prototype.
19092 * objc/objc-act.c (hack_method_prototype): Adjust call to
19095 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19097 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19098 arg_pointer_rtx fixed if the argument pointer register is
19100 (NONZERO_BASE_PLUS_P): Likewise.
19102 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19104 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19105 match_insn2 to match_insn.
19106 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19108 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19110 * Makefile.in (USER_H): Remove va-foo.h.
19112 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19113 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19114 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19115 va-spur.h,va-v850.h}: Remove.
19117 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19119 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19120 (in_return_delay): Use it instead of match_insn.
19122 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19124 * config/alpha/va_list.h (va-alpha.h): Do not include.
19125 (__gnuc_va_list): Typedef as in varargs.h.
19127 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19129 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19130 DECL_LIVE_RANGE_RTL.
19132 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19134 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19135 not NOTE_BLOCK_NUMBER.
19136 (expand_eh_region_end): Likewise.
19137 (find_exception_handler_labels): Likewise.
19138 (scan_region): Likewise.
19139 (exception_optimize): Likewise.
19140 (update_rethrow_references): Likewise.
19141 (set_insn_eh_region): Likewise.
19142 * final.c (final_scan_insn): Likewise.
19143 * flow.c (make_edges): Likewise.
19144 * integrate.c (expand_inline_function): Likewise.
19145 * print-rtl.c (print_rtx): Likewise.
19147 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19149 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19150 terms of builtin functions and types.
19152 * mips.c (mips_build_va_list): New.
19153 (mips_va_start, mips_va_arg): New.
19154 * mips.h (BUILD_VA_LIST_TYPE): New.
19155 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19157 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19158 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19159 * sh.h (BUILD_VA_LIST_TYPE): New.
19160 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19162 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19164 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19165 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19166 (struct insn_data): Likewise with n_operands, n_dups,
19167 n_alternatives, output_format.
19168 * regclass.c (scan_one_insn): Cast n_operands to int before
19169 arithmetic inside comparison.
19171 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19173 * toplev.c (compile_function): Unconditionally emit nop.
19175 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19177 * haifa-sched.c (actual_hazard): Move declaration of variable
19178 `this_cost' into the scope where it is used.
19180 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19182 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19183 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19184 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19186 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19188 * jump.c (find_insert_position): Don't declare or define unless
19189 !HAVE_conditional_arithmetic.
19190 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19192 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19194 * recog.c (offsettable_address_p): Prototype function pointer.
19195 (preprocess_constraints): Call memset, not bzero.
19197 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19198 (gcc_obstack_init): Don't declare.
19199 (fix_sizetype): Add static prototype.
19200 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19201 (tree_cons): Call memset, not bzero.
19203 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19204 definition in macro ASM_WEAKEN_LABEL.
19205 (mark_const_hash_entry): Add static prototype.
19207 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19209 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19211 * unroll.c (find_common_reg_term, subtract_reg_term,
19212 loop_find_equiv_value): Add static prototypes.
19213 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19214 (copy_loop_body): Remove unreachable break statement.
19216 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19218 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19220 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19222 Undo some changes from the gcc2 merge:
19223 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19224 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19228 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19229 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19230 initialized float-int union if the value is a NaN.
19232 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19234 * gthr-win32.h: New file.
19236 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19237 shared as a valid attribute.
19238 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19239 * extend.texi: Document `shared' variable attribute.
19241 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19243 * configure.in: Handle --enable-threads on FreeBSD.
19244 * configure: Rebuit.
19246 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19248 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19250 * configure: Rebuilt.
19252 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19253 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19254 Rosimildo DaSilva <rdasilva@connecttel.com>
19256 * configure.in (m68k-*-rtemscoff*): Added.
19257 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19258 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19259 sparc-rtems configuration.
19260 * configure.in (sparc-*-rtemself*): Added.
19261 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19262 * config/i386/rtems.h: Added comment.
19263 * config/sparc/rtemself.h: New file.
19265 * configure.in (m68k-rtemself): Added.
19266 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19267 and DWARF_DEBUGGING_INFO.
19268 * config/m68k/crti.s: New file.
19269 * config/m68k/crtn.s: New file.
19270 * config/m68k/t-crtstuff: New file.
19271 * config/m68k/rtemself.h: New file.
19273 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19274 global ctor/dtor and C++ exception handling.
19275 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19276 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19278 * config/i386/t-rtems-i386: New File.
19280 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19282 * stmt.c (expand_end_case): Return right away if the case stack is
19285 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19287 * Makefile.in (version.c): Remove rule incorrectly brought in from
19290 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19292 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19293 * msdos/top.sed: Take into account a prepended $(SHELL) to
19295 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19297 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19299 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19301 * regmove.c (fixup_match_1): Don't change an unchanging register.
19302 (stable_but_for_p): Renamed to:
19303 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19304 Changed all callers.
19306 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19308 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19309 insn from BL2 is after the insn from BL.
19311 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19313 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19314 (struct insn_data): Merge `template' and `outfun' into `output'.
19315 Add `output_format'.
19316 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19317 (struct data): Remove `outfun'; add `output_format'.
19318 (name_for_index): Remove declaration.
19319 (output_insn_data): Handle output formats.
19320 (process_template): Emit the bare array for @.
19321 (gen_expand, gen_split): Set output_format to NONE.
19322 * output.h (get_insn_template): Declare.
19323 * final.c (get_insn_template): New.
19324 (final_scan_insn): Use it.
19325 * toplev.c (compile_file): Likewise.
19327 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19328 * i860/i860.c (output_delayed_branch): Likewise.
19329 (output_delay_insn): Likewise.
19331 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19333 * rtl.c (obstack_alloc_rtx): Removed.
19335 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19337 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19339 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19341 * i386.c (call_insn_operand): Reject const_int.
19342 (expander_call_insn_operand): Use call_insn_operand.
19344 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19346 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19348 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19350 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19351 Use DImode operation.
19353 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19355 * gcc.c: Include sys/resource.h.
19356 (report_times): New flag.
19357 (execute): If report_times is set, calculate and report the
19358 CPU time consumed by each subprocess.
19360 (rus, prus): New globals.
19361 (option_map): Add --time.
19362 (display_help): Document -time.
19363 (process_command): Set report_times if -time is given.
19364 Turn off -pipe if -time is given.
19366 * invoke.texi: Document new option -time.
19368 * configure.in: Check for getrusage. Check if we have to
19369 prototype getrusage.
19370 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19371 * configure: Regenerate.
19372 * config.in: Regenerate.
19374 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19376 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19379 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19381 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19382 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19383 (nan): Return _thenan_sf or _thenan_df as appropriate.
19384 (L_thenan_sf): Define _thenan_sf.
19385 (L_thenan_df): Define _thenan_df.
19387 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19388 (DPBIT_FUNCS): Add _thenan_df.
19390 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19392 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19395 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19397 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19400 (lang_specific_driver): Don't take a function pointer parameter.
19401 All callers changed.
19403 * gcc.c: Include gcc.h.
19404 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19405 lang_specific_extra_outfiles, fatal): Don't declare.
19406 (multilib_defaults_raw): Constify.
19407 (read_specs): Call memset, rather than bzero.
19408 (main): Call return, not exit.
19409 (lookup_compiler): Call memcpy, not bcopy.
19410 (fatal): Make extern.
19412 * cppspec.c: Include gcc.h.
19413 (lang_specific_driver): Initialize variable `quote'. Constify a
19414 char*. All calls to the function pointer parameter now
19415 explicitly call `fatal'.
19417 * gccspec.c (lang_specific_driver): Include gcc.h.
19419 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19421 * arm.c (note_invalid_constants): Use recog_data.operand_type
19424 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19426 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19429 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19430 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19431 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19432 reload_secondary_in_reload, reload_secondary_out_reload,
19433 reload_secondary_in_icode, reload_secondary_out_icode,
19434 reload_reg_rtx, reload_when_needed): Delete declarations.
19435 (struct reload): New structure.
19436 (rld): Declare new array.
19437 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19438 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19439 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19440 reload_secondary_in_reload, reload_secondary_out_reload,
19441 reload_secondary_in_icode, reload_secondary_out_icode,
19442 reload_reg_rtx, reload_when_needed): Delete definitions.
19444 (whole file): Replace uses of the deleted arrays with uses of rld.
19445 * reload1.c (whole file): Replace uses of the deleted arrays with
19447 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19448 explicit loops, not with bcopy.
19450 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19452 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19453 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19454 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19455 insn_name): Delete and consolidate into new structures.
19456 (insn_operand_predicate_fn): New.
19457 (insn_output_fn): New.
19458 (insn_gen_fn): New.
19459 (struct insn_operand_data): New.
19460 (struct insn_data): New.
19462 (OUT_FCN): Update for insn_data change.
19463 * builtins.c (expand_builtin_strlen): Likewise.
19464 (expand_builtin_memcmp): Likewise.
19465 * combine.c (make_extraction, simplify_comparison): Likewise.
19466 * cse.c (canon_reg, cse_insn): Likewise.
19467 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19468 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19469 (emit_store_flag): Likewise.
19470 * expr.c (convert_move, emit_block_move): Likewise.
19471 (clear_storage, emit_push_insn, expand_increment): Likewise.
19472 (do_store_flag): Likewise.
19473 * expr.h (GEN_FCN): Likewise.
19474 (insn_gen_function): Die.
19475 * final.c (final_scan_insn): Update for insn_data change.
19476 (output_asm_name): Likewise.
19477 * function.c (fixup_var_refs_1): Likewise.
19478 * loop.c (check_dbra_loop): Likewise.
19479 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19480 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19481 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19482 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19483 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19484 * regmove.c (gen_add3_insn): Likewise.
19485 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19486 (find_reloads, find_reloads_address_1): Likewise.
19487 (debug_reload_to_stream): Likewise.
19488 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19489 * stmt.c (expand_end_case): Likewise.
19490 * toplev.c (compile_file): Likewise.
19492 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19493 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19495 * print-rtl.c (insn_name_ptr): Remove declaration.
19496 (get_insn_name): Declare.
19497 (print_rtx): Use it.
19498 * genoutput.c (insn_name_ptr): Remove.
19499 (next_operand_number): New.
19500 (struct operand_data): New.
19501 (null_operand, odata, odata_end): New.
19502 (struct data): Use struct operand_data.
19503 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19504 (get_insn_name): Renamed from name_for_index.
19505 (output_prologue): Define NO_MD_PROTOTYPES.
19506 (output_predicate_decls): Break out from output_epilogue.
19507 Iterate over the operands list.
19508 (output_operand_data): Break out from output_epilogue. Emit
19509 just the operands list.
19510 (output_insn_data): Break out from output_epilogue. Emit just
19512 (output_epilogue): Remove.
19513 (output_get_insn_name): New.
19514 (constraints, op_n_alternatives, predicates, address_p): Die.
19515 (modes, strict_low, seen): Die.
19516 (scan_operands): Take new param `d' instead of writing to
19517 seven global variables.
19518 (compare_operands): New.
19519 (place_operands): New.
19520 (validate_insn_alternatives): Update for struct data change.
19521 (gen_insn): Don't zero or copy 7 global arrays. Update for
19522 scan_operands; call place_operands.
19523 (gen_peephole, gen_expand, gen_split): Likewise.
19524 (main): Update for new output routines.
19526 * genattr.c (insn_name_ptr): Remove.
19527 (get_insn_name): New function.
19528 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19529 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19530 * genrecog.c: Likewise.
19532 * alpha.md (adddi3): Make `pattern' array static.
19534 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19536 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19537 c4x_cpu_version_string): Constify char *.
19538 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19539 c4x_cpu_version_string): Likewise.
19541 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19543 * tree.c (save_tree_status): Revert 10 Sep change.
19544 (restore_tree_status): Likewise. Call obstack_free with NULL
19545 before freeing the obstack proper.
19547 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19549 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19551 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19552 surrounding context.
19554 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19556 * tree.c (type_hash_canon): Put all types in the hash-table, when
19559 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19561 * recog.h (struct recog_data, recog_data): New.
19562 (recog_foo variables): Kill.
19563 * recog.c (recog_operand, recog_operand_loc): Kill.
19564 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19565 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19566 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19567 (recog_data): Define.
19568 (extract_insn): Update all recog_foo references to use recog_data.
19569 (preprocess_constraints, constrain_operands): Likewise.
19570 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19571 * genattrtab.c (main): Likewise.
19572 * genextract.c (main): Likewise.
19573 * genoutput.c: Likewise.
19574 * genrecog.c (write_subroutine, main): Likewise.
19575 * local-alloc.c (block_alloc): Likewise.
19576 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19577 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19578 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19579 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19580 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19581 (reload_cse_simplify_operands): Likewise.
19583 * arc/arc.c (arc_final_prescan_insn): Likewise.
19584 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19585 * h8300/h8300.c (notice_update_cc): Likewise.
19586 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19587 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19588 * mn10200/mn10200.c (notice_update_cc): Likewise.
19589 * mn10300/mn10300.c (notice_update_cc): Likewise.
19590 * romp/romp.c (update_cc): Likewise.
19591 * sparc/sparc.c (check_pic): Likewise.
19592 * v850/v850.c (notice_update_cc): Likewise.
19594 * genemit.c (main): Don't declare recog_operand.
19596 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
19598 * ggc.h (rtvec_def): Forward declare.
19599 (tree_node): Likewise.
19600 (ggc_root): Define.
19602 (ggc_set_mark_rtx): Add prototype.
19603 (ggc_set_mark_rtvec): Likewise.
19604 (ggc_set_mark_tree): Likewise.
19605 * ggc-simple.c (ggc_root): Don't define.
19606 (roots): Don't declare.
19607 (ggc_mark_rtx): Remove.
19608 (ggc_mark_rtvec): Likewise.
19609 (ggc_mark_tree): Likewise.
19610 (ggc_mark_varray): Likewise.
19611 (ggc_mark_tree_hash_table_entry): Likewise.
19612 (ggc_mark_tree_hash_table): Likewise.
19613 (ggc_set_mart_rtx): New function.
19614 (ggc_set_mark_rtvec): Likewise.
19615 (ggc_set_mark_tree): Likewise.
19616 (ggc_add_root): Remove.
19617 (ggc_add_rtx_root): Likewise.
19618 (ggc_remove_tree_root): Likewise.
19619 (ggc_add_string_root): Likewise.
19620 (ggc_add_tree_varray_root): Likewise.
19621 (ggc_add_tree_hash_table_root): Likewise.
19622 (ggc_del_root): Likewise.
19623 (ggc_mark_rtx_ptr): Likewise.
19624 (ggc_mark_tree_ptr): Likewise.
19625 (ggc_mark_string_ptr): Likewise.
19626 (ggc_mark_tree_varray_ptr): Likewise.
19627 (ggc_mark_tree_hash_table_ptr): Likewise.
19628 * ggc-common.c: New file.
19629 * Makefile.in (OBJS): Add ggc-common.o.
19630 (ggc-common.o): List dependencies.
19632 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
19634 * cppalloc.c (xstrdup): Use memcpy.
19635 * cpperror.c (cpp_print_containing_files): Don't use
19637 * cpplib.c (conditional_skip): Set temp->lineno.
19638 (do_endif): Make error message less obscure.
19639 (if_directive_name): New function.
19640 (cpp_get_token [case EOF]): Unwind the if stack and generate
19641 error messages for each unterminated conditional in this file.
19642 (parse_string): Do not behave differently if -traditional.
19644 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
19646 * builtins.c (expand_builtin_va_arg): Cope with an array-type
19647 va_list decomposing to pointer-type.
19648 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
19649 (rs6000_va_arg): Likewise.
19651 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
19653 * except.c (start_dynamic_handler): Compute size using
19654 STACK_SAVEAREA_MODE.
19656 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19658 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
19659 include directory headers. Don't define strrchr. Don't provide
19660 my_* replacement functions. Prefer PTR over `pointer_type'.
19661 Don't prototype system functions. Don't redefine getopt.
19663 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
19664 safe_read, safe_write, save_pointers, restore_pointers,
19665 is_id_char, in_system_include_dir, directory_specified_p,
19666 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
19667 find_corresponding_lparen, referenced_file_is_newer,
19668 save_def_or_dec, munge_compile_params, gen_aux_info_file,
19669 process_aux_info_file, identify_lineno, check_source,
19670 seek_to_line, forward_to_next_token_char, output_bytes,
19671 output_string, output_up_to, other_variable_style_function,
19672 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
19673 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
19674 find_static_definition, connect_defs_and_decs, add_local_decl,
19675 add_global_decls, needs_to_be_converted, visit_each_hash_node,
19676 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
19677 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
19678 scan_for_missed_items, edit_file, string_list_cons): Add static
19680 (standard_exec_prefix, target_machine, target_version,
19681 default_syscalls_dir, string_list, string_list_cons, find_file,
19682 do_cleaning): Constify a char*.
19683 (safe_read, safe_write): Use PTR, not a char*.
19684 (is_id_char): Take an int, not a char.
19685 (main): Add prototype. Call return, not exit.
19687 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
19689 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
19690 when comparing types.
19692 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
19694 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
19695 (strength_reduce): Release the varrays from the no-bivs early exit.
19697 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
19698 the loop over the registers.
19700 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
19702 (restore_tree_status): Check that instead when freeing the obstack.
19704 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
19706 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
19709 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19711 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
19712 operand size modifiers.
19714 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19716 * c-common.c (c_common_nodes_and_builtins): Don't build
19718 * c-common.h (enum c_tree_index and related accesor macros): Remove
19719 everything now declared in tree.h.
19720 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19721 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
19722 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
19723 (error_mark_node, void_type_node, char_type_node, integer_type_node,
19724 unsigned_type_node, ptr_type_node, va_list_type_node,
19725 integer_zero_node, null_pointer_node, integer_one_node): Delete.
19726 (init_decl_processing): Call build_common_tree_nodes and
19727 build_common_tree_nodes_2 instead of building their nodes here.
19728 Don't add roots for these nodes.
19729 * stor-layout.c (size_zero_node, size_one_node): Delete.
19730 (set_sizetype): Make a new node for bitsizetype each time.
19731 * tree.c (global_trees): New variable.
19732 (init_obstacks): Add a gc root for it.
19733 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19734 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
19735 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
19736 (build_common_tree_nodes): New function.
19737 (fix_sizetype): New function.
19738 (build_common_tree_nodes_2): New function.
19739 * tree.h (enum tree_index): New.
19740 (global_trees): Declare.
19741 Add accessor macros for all nodes now moved to global_trees.
19742 Delete their declarations.
19744 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
19746 * c-decl.c (finish_function): When processing a nested function,
19747 push and pop GC context around rest_of_compilation.
19749 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
19751 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
19752 Default ix86_arch to PROCESSOR_I386.
19753 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
19754 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
19755 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
19756 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
19757 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
19758 (EXTRA_SPECS): Remove deleted specs.
19760 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
19762 * function.c (assign_stack_local_1): Allocate from
19763 function->x_frame_offset, not frame_offset.
19765 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
19767 * ggc.h (lang_cleanup_tree): Remove.
19768 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
19769 * ggc-callbacks.c (lang_cleanup_tree): Remove.
19771 * c-decl.c (finish_struct): Use ggc_alloc to allocate
19772 TYPE_LANG_SPECIFIC when garbage collecting.
19773 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
19774 (lang_cleanup_tree): Remove.
19776 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19778 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
19779 * crtstuff.c: Not here.
19780 * dwarf2out.c: Or here.
19781 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
19784 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
19786 * function.h (free_after_compilation): Remove decl parameter.
19787 (free_varasm_status0: Likewise.
19788 (free_emit_status): Likewise.
19789 (free_stmt_status): Likewise.
19790 (free_after_compilation): Likewise.
19791 (init_lang_status): New variable.
19792 (free_lang_status): Likewise.
19793 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
19794 * function.c (init_lang_status): New variable.
19795 (free_lang_status): Likewise.
19796 (push_function_context_to): Don't set function::decl here.
19797 (free_after_copmilation): Make decl parameter implicit. Call
19798 free_lang_status if defined.
19799 (prepare_function_start): Call init_lang_status if defined.
19800 (init_function_start): Set function::decl here.
19801 * profile.c (output_func_start_profiler): Don't call pushdecl
19802 until we've actually started the function.
19803 * stmt.c (free_stmt_status): Make decl parameter implicit.
19804 * toplev.c (rest_of_compilation): Don't pass decl to
19805 free_after_compilation.
19806 * varasm.c (free_varasm_status): Likewise.
19808 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19810 * except.c (call_get_eh_context): Add root when allocating static
19813 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
19815 * arm.c: Include "ggc.h".
19816 (arm_add_gc_roots): New function.
19817 (arm_override_options): Call it.
19818 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
19820 * arm.md (define_asm_attributes): Add a pool_range attribute.
19822 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
19824 * extend.texi (Volatiles): New node.
19826 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
19828 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
19829 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
19830 (struct ggc_any): Replace `mark' with `magic_mark'.
19831 (ggc_alloc_string): Use memcpy, not bcopy.
19832 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
19833 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
19834 (ggc_free_any): New.
19835 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
19836 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
19837 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
19838 Use IS_MARKED. Use ggc_free_any.
19840 1999-09-09 Scott Bambrough <scottb@netwinder.org>
19842 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
19844 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
19846 * toplev.c (main): Always init_ggc.
19848 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
19850 * except.c (find_all_handler_type_matches): Free the list if
19851 we found no matches.
19853 * combine.c (SUBST): Break out to a real function do_SUBST.
19854 (SUBST_INT): Likewise.
19855 * gcse.c (free_pre_mem): Free `temp_bitmap'.
19856 (pre_insert): Free `inserted'.
19857 * loop.c (basic_induction_var): Always set `location'.
19859 * function.c (expand_function_end): Add initial_trampoline as a root.
19860 * rtl.h (init_varasm_once): Declare.
19861 * toplev.c (compile_file): Call it.
19862 * ggc-simple.c (ggc_mark_string_ptr): New.
19863 (ggc_add_string_root): New.
19864 (ggc_collect): Disable collection avoidance temporarily.
19865 * ggc.h (ggc_add_string_root): Declare.
19866 * except.c (create_rethrow_ref): Use ggc_alloc_string.
19867 * optabs.c (init_libfuncs): Likewise.
19868 * varasm.c (named_section): Use ggc_alloc_string.
19869 (make_function_rtl): Likewise.
19870 (make_decl_rtl): Likewise.
19871 (assemble_static_space): Likewise.
19872 (assemble_trampoline_template): Likewise.
19873 (output_constant_def): Likewise.
19874 (force_const_mem): Likewise.
19875 (mark_const_hash_entry): New.
19876 (mark_pool_sym_hash_table): New.
19877 (mark_varasm_state): Use it.
19878 (init_varasm_once): New.
19880 * expr.h (init_one_libfunc): Declare.
19881 * optabs.c (init_one_libfunc): New.
19882 (init_optabs): Use it.
19883 * config/gofast.h: Likewise.
19884 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
19885 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
19887 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19889 * Makefile.in (cppexp.o): Depend on cpphash.h.
19890 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
19892 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
19893 * cpplib.c (do_define): Generalise to handle poisoned definitions,
19894 redefining poisoned identifiers, etc.
19895 (do_undef): Don't allow poisoned identifiers to be undefined.
19896 (do_pragma): Add #pragma poison.
19897 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
19899 * cccp.c: Add T_POISON node type.
19900 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
19902 (do_define): Generalise to handle poisoned definitions,
19903 redefining poisoned identifiers, etc.
19904 (do_undef): Don't allow poisoned identifiers to be undefined.
19905 (do_pragma): Add #pragma poison.
19906 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
19908 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
19909 * c-pragma.h: Add ps_poison state. We now always have generic
19912 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
19914 * ggc.h (ggc_alloc): New function.
19915 (ggc_mark): Likewise.
19916 * ggc-simple.c (ggc_any): New structure.
19917 (ggc_status): Add anys.
19918 (n_anys_collected): New variable.
19919 (ggc_alloc): Define.
19920 (ggc_mark): Likewise.
19921 (ggc_collect): Collect the anys.
19923 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19925 * c-decl.c (mark_binding_level): Make static to match prototype.
19927 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
19929 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
19931 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
19933 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
19934 will use into account. Expand the max width to 5.
19937 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
19939 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
19940 for the rtx length.
19942 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
19944 * alpha.md (call value patterns): Remove the result predicates.
19946 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
19948 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
19951 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19953 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
19954 changed from extern char *, to extern PTR. Also fix typo in
19955 NEED_DECLARATION_REALLOC test.
19957 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
19959 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19961 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
19962 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
19963 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
19964 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
19966 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
19968 * cccp.c (pcfinclude): Likewise.
19970 * global.c (allocno_compare): Likewise.
19972 * haifa-sched.c (rank_for_schedule): Likewise.
19974 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
19976 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
19978 * stupid.c (stupid_reg_compare): Likewise.
19980 * tree.c (_obstack_allocated_p): Likewise.
19982 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
19984 1999-09-08 Bruce Korb autogen@linuxbox.com
19986 * Makefile.in: Give the hapless gperf user a hint about
19987 why "gperf -F" fails.
19989 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
19991 * lists.c: Include ggc.h.
19993 (init_EXPR_INSN_LIST_cache): Install it.
19995 * ggc-simple.c (init_ggc): Absorb the old init.
19996 (ggc_push_context): Use xcalloc.
19997 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
19998 (ggc_collect): Add [rvts] tags to the collection stats.
20000 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20002 * cccp.c (main): Fix handling of -include and -imacros options.
20004 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20006 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20008 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20010 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20013 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20015 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20016 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20017 and SET_DEST. Update comment.
20019 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20021 * config/c4x/c4x.c: Include ggc.h.
20022 (c4x_add_gc_roots): New function.
20023 (c4x_override_options): Call c4x_add_gc_roots.
20025 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20027 * defaults.h (TARGET_ESC): Move ...
20028 * system.h: ... here, where Linas had it in the first place. Silly me.
20030 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20032 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20033 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20034 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20035 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20036 * defaults.h (TARGET_ESC): Add default.
20038 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20040 * configure.in: add i370-*-openedition, i370-*-mvs and
20041 i370-*-linux targets
20043 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20045 * dsp16xxx.c: Include ggc.h
20046 (override_options): Mark GC roots.
20047 * mn10200.c: Include ggc.h.
20048 (asm_file_start): Mark GC roots.
20049 * tahoe.c: Include ggc.h.
20050 (extensible_operand): Mark GC roots.
20052 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20054 * README: Add section discussing status of ELF ABI.
20055 * i370.c: Fix misc spelling mistakes.
20056 (i370_label_scan): Updated notes, exception handling.
20057 (i370_function_prolog): Simplify ELF stack handling.
20058 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20059 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20060 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20061 * i370.md: (movdi): Add notes.
20062 (floatsidf2): Use stack not rtca for scratch float area.
20063 (iorsi3): Correct operand constraints.
20064 * x-oe: Restore TAROUTOPTS which are used by pax.
20066 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20068 * rs6000.c: Include ggc.h.
20069 (rs6000_add_gc_roots): New function.
20070 (override_options): Call it.
20072 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20074 * alpha.h (alpha_compare): New.
20075 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20076 * alpha.c: Likewise for the definitions.
20077 (alpha_emit_conditional_branch): Update for alpha_compare.
20078 (alpha_emit_conditional_move): Likewise.
20079 * alpha.md (cmpdf, cmpdi): Likewise.
20080 (setcc patterns): Likewise. Zero alpha_compare after use.
20081 (sne): Optimize (x != 0) into (0U < x).
20083 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20085 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20086 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20087 (INIT_EXPANDERS): Remove.
20088 * alpha.c: Include ggc.h.
20089 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20090 (alpha_init_machine_status, alpha_mark_machine_status): New.
20091 (override_options): Install them.
20092 (struct machine_function): Moved to alpha.h.
20093 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20094 (alpha_init_expanders): Remove.
20095 (alpha_return_addr): Adjust to use current_function->machine.
20096 (alpha_ra_ever_killed): Likewise.
20097 (alpha_expand_epilogue): Likewise.
20098 * alpha.md (eh_epilogue): Likewise.
20100 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20101 Melissa O'Neill <oneill@cs.sfu.ca>
20102 Geoffrey Keating <geoffk@cygnus.com>
20104 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20105 call-used registers (call-saved registers must still be contiguous
20106 and end with r31, of course).
20108 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20110 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20111 (self_promoting_type_p): Delete.
20112 (self_promoting_args_p): Move ...
20113 * c-common.c: ... here.
20114 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20115 (simple_type_promotes_to): New.
20116 * builtins.c (lang_type_promotes_to): New.
20117 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20118 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20119 * c-common.h: ... here.
20120 (self_promoting_args_p, simple_type_promotes_to): Declare.
20121 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20122 (grokdeclarator): Likewise.
20123 * tree.h (lang_type_promotes_to): Declare.
20125 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20127 Add some machine-dependent GC roots.
20128 * sparc.c: Include ggc.h.
20129 (sparc_add_gc_roots): New function.
20130 (mark_ultrasparc_pipeline_state): Likewise.
20131 (override_options): Call sparc_add_gc_roots.
20132 * pa.c: Include ggc.h.
20133 (pa_add_gc_roots): New function.
20134 (mark_deferred_plabels): Likewise.
20135 (override_options): Call pa_add_gc_roots.
20136 * mips.c: Include ggc.h.
20137 (mips_add_gc_roots): New function.
20138 (override_options): Use it.
20140 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20142 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20144 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20145 cpp_parse_expr): Add static prototypes.
20146 (parse_charconst): Don't cast away const-ness.
20147 (token): Constify a char*.
20149 * cppfiles.c (file_name_list, include_hash, find_include_file,
20150 finclude, initialize_input_buffer): Constify a char*.
20151 (file_cleanup, find_position): Add static prototypes.
20153 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20154 collect_expansion): Add static prototypes.
20155 (cpp_install, create_definition, monthnames): Constify a char*.
20157 * cpphash.h (cpp_install): Likewise.
20159 * cppinit.c (known_suffixes, default_include,
20160 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20161 (base_name, dump_special_to_buffer, initialize_dependency_output):
20162 Add static prototypes.
20164 * cpplib.c (my_strerror): Constify a char*.
20165 (null_underflow, null_cleanup, skip_comment, copy_comment,
20166 copy_rest_of_line, handle_directive, pass_thru_directive,
20167 get_directive_token, read_line_number, cpp_print_file_and_line,
20168 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20169 v_cpp_warning_with_line, detect_if_not_defined,
20170 consider_directive_while_skipping): Add static prototypes.
20171 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20172 cpp_pedwarn_with_file_and_line): Constify a char*.
20174 * cpplib.h (cpp_options, include_hash, progname, definition,
20175 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20176 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20177 find_include_file, deps_output, include_hash): Constify a char*.
20179 * cppmain.c (progname): Constify.
20180 (main): Add prototype. Use return, not exit.
20182 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20183 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20184 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20185 check_protection): Add static prototype.
20187 (progname, recognized_macrom, recognized_extern): Constify a char*.
20188 (main): Add prototype.
20190 * gen-protos.c (progname): Constify a char*.
20192 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20194 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20195 (init_emit_once): Add more GC roots.
20196 * except.c (mark_func_eh_entry): New function.
20197 (mark_eh_node): Mark false_label and rethrow_label.
20198 (init_eh): Add more GC roots.
20199 * function.c (free_after_compilation): Take decl as a paramter.
20200 Call free_stmt_status.
20201 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20203 * function.h (free_after_compilation): Change prototype.
20204 (free_varasm_status): Likewise.
20205 (free_emit_status): Likewise.
20206 (free_stmt_status): New function.
20207 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20208 Remove, replacing with ...
20209 (ggc_status): New structure.
20210 (ggc_chain): New variable.
20211 (init_gcc): Define.
20212 (ggc_push_context): New function.
20213 (ggc_pop_context): Likewise.
20214 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20215 (ggc_alloc_rtvec): Likewise.
20216 (ggc_alloc_tree): Likewise.
20217 (ggc_alloc_string): Likewise.
20218 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20219 (ggc_mark_tree): Give language-dependent code a chance to mark
20221 (ggc_mark_tree_varray): Handle empty arrays.
20222 (ggc_collect): Adjust for use of ggc_chain. Clear
20223 bytes_alloced_since_last_gc.
20224 * ggc.h (ggc_pop_context): New function.
20225 (ggc_push_context): Likewise.
20226 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20227 * stmt.c (free_stmt_status): New function.
20228 (init_stmt_for_function): Clear last_expr_value.
20229 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20230 Conditionalize call to ggc_collect.
20231 (main): Call init_ggc.
20232 * tree.c (push_obstacks): Do the push, even when GC'ing.
20233 (push_obstacks_nochange): Likewise.
20234 (pop_obstacks): Liekwise.
20235 * varasm.c (free_varasm_status): Take decl as a parameter.
20237 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20239 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20240 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20241 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20242 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20244 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20246 * pa/x-pa-mpeix: New file for the MPE port.
20248 * pa/quadlib.asm: New file for long double support.
20250 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20251 * configure: Rebuilt.
20253 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20255 * final.c (shorten_branches): Fix last change.
20257 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20259 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20261 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20263 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20266 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20268 * c-aux-info.c (concat): Don't define.
20270 * cccp.c (my_strerror): Likewise. All callers changed to use
20272 (do_include): Call xstrdup, not xmalloc/strcpy.
20273 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20274 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20276 * collect2.c (my_strsignal): Likewise. All callers changed to use
20278 (locatelib): Call xstrdup, not xmalloc/strcpy.
20280 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20282 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20284 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20286 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20288 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20290 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20292 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20294 (find_all_handler_type_matches): Likewise. Don't check return
20296 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20297 xmalloc, not malloc.
20298 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20300 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20301 (init_spec): Call xcalloc, not xmalloc/bzero.
20302 (set_spec): Call xstrdup, not save_string.
20303 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20304 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20305 (process_command): Call xstrdup, not save_string.
20306 (main): Call xcalloc, not xmalloc/bzero.
20308 * gcov.c (xmalloc): Don't define.
20309 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20310 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20311 (output_data): Call xcalloc, not xmalloc/bzero.
20313 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20315 * mips-tdump.c (xmalloc): Don't define.
20316 (print_symbol): Call xmalloc, not malloc.
20317 (read_tfile): Call xcalloc, not calloc.
20319 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20320 Don't define. All callers of xfree/my_strsignal changed to use
20321 free/strsignal instead.
20322 (allocate_cluster): Call xcalloc, not calloc.
20324 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20325 Fix memory leak, free allocated memory.
20327 * prefix.c (translate_name): Call xstrdup, not save_string.
20328 (update_path): Likewise.
20330 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20332 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20333 Don't define. Callers of xfree/savestring2 changed to use
20334 free/concat instead.
20336 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20337 (init_elim_table): Likewise.
20339 * resource.c (init_resource_info): Likewise.
20341 * stupid.c (stupid_life_analysis): Likewise.
20343 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20344 (open_dump_file): Call concat, not xmalloc/strcpy/...
20345 (clean_dump_file): Likewise.
20346 (compile_file): Call xstrdup, not xmalloc/strcpy.
20348 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20350 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20351 * v850.c (v850_va_arg): New.
20353 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20355 * haifa-sched.c: Tidy comments.
20357 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20359 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20360 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20361 $(out_object_file)): Depend on ggc.h.
20362 * c-common.c: Include "ggc.h".
20363 (combine_strings): If doing GC, use ggc_alloc_string.
20364 * c-decl.c: Include "ggc.h".
20365 (ggc_p): Define with value 0.
20366 (mark_binding_level): New function.
20367 (init_decl_processing): Add GC roots.
20368 (mark_c_function_context): New function.
20369 (lang_mark_false_label_stack): New function.
20370 (lang_mark_tree): New function.
20371 (lang_cleanup_tree): New function.
20372 * c-lang.c: Include "ggc.h".
20373 (lang_init): Call c_parse_init.
20374 * c-lex.c: Include "ggc.h".
20375 (check_linenum): If doing GC, don't copy filenames to permanent
20377 * c-parse.in: Include "ggc.h".
20378 (c_parse_init): New function.
20379 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20380 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20382 * except.c (mark_eh_state): Mark more state.
20383 * function.c (mark_function_state): Likewise.
20384 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20385 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20386 * toplev.c (mark_file_stack): New function.
20387 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20388 (main): Add root for input_file_stack.
20390 * i386.c: Include "ggc.h".
20391 (ix86_mark_machine_status): New function.
20392 (override_options): Set mark_machine_status.
20394 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20396 * tree.c (copy_node): Copy node contents also if doing GC.
20398 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20400 * collect2.c (scan_libraries): Fix double-thinko :-).
20402 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20404 * collect2.c (scan_libraries): Fix thinko.
20406 * cse.c (delete_trivially_dead_insns): Do not skip the last
20407 insn if it is a real insn.
20409 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20411 * Makefile.in (ggc-simple.o): Depend on hash.h.
20412 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20413 (ggc_mark_tree_varray): Likewise.
20414 (ggc_mark_tree_hash_table): Likewise.
20415 * ggc-simple.c: Include hash.h.
20416 (ggc_mark_tree_hash_table_ptr): New function.
20417 (ggc_mark_tree_hash_table_entry): Likewise.
20418 (ggc_mark_tree_hash_table): Likewise.
20419 (ggc_add_tree_hash_table_root): Likewise.
20420 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20421 rtx, when defining fields.
20423 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20425 * profile.c (output_func_start_profiler): Remove apparently
20426 nonsensical call to start_sequence.
20428 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20430 * clipper/clipper.c (clipper_va_start): Fix typos.
20432 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20433 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20434 (spur_va_arg): New stub.
20436 * configure.in: Comment out pyramid.
20438 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20440 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20441 don't conflict with the bits that win32, cygwin, and dgux
20444 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20445 Bernd Schmidt <bernds@cygnus.co.uk>
20447 * integrate.c (function_cannot_inline_p): Do not inline
20448 functions with forced labels.
20450 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20451 Bernd Schmidt <bernds@cygnus.co.uk>
20452 Mark Mitchell <mark@codesourcery.com>
20454 * Makefile.in (ggc-simple.o): Depend on varray.h.
20455 (rtl.o): Depend on ggc.h.
20456 (genattrtab.o): Depend on ggc.h.
20457 (print-tree.o): Likewise.
20458 (fold-const.o): Likewise.
20459 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20460 (make_insn_raw): Don't cache insns when GC'ing.
20461 (emit_insn_before): Likewise.
20462 (emit_insn_after): Likewise.
20463 (emit_insn): Likewise.
20464 (start_sequence): Use xmalloc to allocate the sequence_stack.
20465 (end_sequence): Add free to free it.
20466 (gen_sequence): Don't cache insns when GC'ing.
20467 (clear_emit_caches): Don't use sequence_element_free_list.
20468 (init_emit): Use xcalloc, not xmalloc+bzero.
20469 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20470 * function.c (pop_function_context_from): Use free to free the
20471 fixup_var_refs_queue.
20472 (put_reg_into_stack): Allocate it with xmalloc.
20473 * genattrtab.c: Include ggc.h.
20474 (operate_exp): Don't use obstack_free when GC'ing.
20475 (simplify_cond): Likewise.
20476 (simplify_text_exp): Likewise.
20477 (optimize_attrs): Likewise.
20478 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20480 (gencode): Generate a #include for ggc.h.
20481 * ggc-callbacks.c (ggc_p): Define it to zero.
20482 * ggc-none.c (ggc_p): Likewise.
20483 * ggc-simple.c: Include varray.h.
20484 (ggc_mark_tree_varray): New function.
20485 (ggc_add_tree_varray_root): Likewise.
20486 (ggc_mark_tree_varray_ptr): Likewise.
20487 * ggc.h (ggc_p): Declare.
20488 (varray_head_tag): Likewise.
20489 (ggc_add_tree_varray_root): Declare.
20490 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20491 inconsistencies when GC'ing.
20492 * rtl.c: Include ggc.h.
20493 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20494 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20495 (rtx_free): Don't call obstack_free when GC'ing.
20496 * toplev.c (rest_of_compilation): Call ggc_collect after every
20498 * tree.c (push_obstacks): Do nothing, if GC'ing.
20499 (pop_obstacks_nochange): Likewise.
20500 (pop_obstacks): Likewise.
20501 (make_node): Use ggc_alloc_tree when GC'ing.
20502 (copy_node): Likewise.
20503 (get_identifier): Use ggc_alloc_string when GC'ing.
20504 (build_string): Likewise.
20505 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20506 (tree_cons): Likewise.
20507 (build1): Likewise.
20508 (type_hash_canon): Don't call obstack_free when GC'ing.
20510 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20512 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20513 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20515 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20516 Bernd Schmidt <bernds@cygnus.co.uk>
20517 Mark Mitchell <mark@codesourcery.com>
20519 * Makefile.in (stor-layout.o): Depend on ggc.h.
20520 (expr.o): Depend on ggc.h.
20521 (profile.o): Depend on ggc.h.
20522 (stor-layout.o): Depend on ggc.h.
20523 * emit-rtl.c (init_emit_once): Add gc roots.
20524 * expr.c: Include ggc.h.
20525 (emit_block_move): Add gc roots.
20526 (clear_storage): Likewise.
20527 * expr.h (init_stor_layout_once): New function.
20528 * profile.c: Include ggc.h.
20529 (init_arc_profiler): profiler_label is a root.
20530 * scan.c (make_sstring_space): Trust xrealloc to function
20531 correctly with first parameter NULL.
20532 * stor-layout.c: Include ggc.h.
20533 (set_sizetype): Add gc root.
20534 (init_stor_layout_once): New function.
20535 * toplev.c (compile_file): Call it.
20537 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20538 Bernd Schmidt <bernds@cygnus.co.uk>
20539 Mark Mitchell <mark@codesourcery.com>
20541 * Makefile.in (tree.o): Depend on ggc.h.
20542 (varasm.o): Likewise.
20543 (function.o): Likewise.
20544 (stmt.o): Likewise.
20545 (except.o): Likewise.
20546 (optabs.o): Likewise.
20547 (emit-rtl.o): Likewise.
20548 * emit-rtl.c: Include ggc.h.
20549 (sequence_element_free_list): Remove, and all references.
20550 (mark_sequence): New functions.
20551 (mark_emit_state): New function.
20552 * except.c: Include ggc.h.
20553 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20554 (mark_tree_label_node): New functions.
20555 (mark_eh_state): New function.
20556 * function.c: Include ggc.h.
20557 (mark_temp_slot, mark_function_chain): New functions.
20558 (mark_function_state): New function.
20559 (init_function_once): New function.
20560 * function.h (init_function_once): New function.
20561 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20562 * ggc.h (label_node): Declare.
20563 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20564 (lang_mark_false_label_stack): New function.
20565 (mark_temp_slot): Remove declaration.
20566 (mark_function_chain): Likewise.
20567 (mark_eh_state): Adjust prototype.
20568 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20570 * optabs.c: Include ggc.h.
20571 (mark_optab): New function.
20572 (init_optabs): Add gc roots.
20573 * stmt.c: Include ggc.h.
20574 (mark_cond_nesting, mark_loop_nesting): New functions.
20575 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20576 (mark_stmt_state): New function.
20577 * toplev.c (compile_file): Call init_function_once.
20578 * tree.c: Include ggc.h.
20579 (type_hash): Move declaration earlier in file.
20580 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20581 (init_obstacks): Add gc roots.
20582 (mark_type_hash): New function.
20583 * varasm.c: Include ggc.h.
20584 (mark_pool_constant): New function.
20585 (mark_varasm_state): New function.
20587 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20589 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
20591 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20593 * c-decl.c (struct language_function): Renamed from struct c_function.
20595 (c_function_chain): Delete.
20596 (push_c_function_context): New arg F. Don't warn about nested
20597 functions here. Fill LANGUAGE elt of F. Delete code to update
20598 c_function_chain. Don't call push_function_context.
20599 (pop_c_function_context): New arg F. Restore from there instead of
20600 from c_function_chain. Don't call pop_function_context. Clear out
20601 LANGUAGE field of F when done.
20602 * c-lang.c: Include "function.h"
20603 (lang_init): Initialize save_lang_status and restore_lang_status.
20604 * c-parse.in (nested_function, nested_function_notype): Warn about
20605 nested functions. Call push_function_context/pop_function_context
20606 instead of the _c_ variants.
20607 * c-tree.h (push_c_function_context, pop_c_function_context): Update
20609 * Makefile.in (c-lang.o): Update dependencies.
20611 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
20612 regno_pointer_flag, regno_pointer_align.
20613 (gen_reg_rtx): Use xrealloc to enlarge them.
20614 (free_emit_status): New function.
20615 * function.c (mark_machine_status, mark_lang_status): New variables.
20616 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
20617 in some bits from assign_stack_local. All callers changed to use new
20619 (assign_stack_local): Just call assign_stack_local_1.
20620 (free_after_compilation): New function.
20621 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
20622 (trampoline_address): Likewise.
20623 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
20624 (prepare_function_start): Explicitly clear some more variables.
20625 * function.h (struct function): New elt can_garbage_collect.
20626 (mark_machine_status, mark_lang_status): Declare variables.
20627 (free_after_compilation, free_emit_status, free_varasm_status,
20628 init_varasm_status): Declare functions.
20629 * toplev.c (rest_of_compilation): Call free_after_compilation when
20630 done with the current function.
20631 * varasm.c (free_varasm_status): New function.
20633 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
20635 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
20636 (EXPAND_BUILTIN_VA_ARG): Define.
20637 * sparc.c (sparc_va_start): New.
20638 (sparc_va_arg): New.
20640 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20642 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
20644 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20646 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
20648 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
20650 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
20651 (OBJS): Add $(GGC).
20652 (ggc-callbacks.o): New target.
20653 * ggc-callbacks.c: New file.
20655 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20657 * expr.h: Collapse individual optab and libfunc vars to arrays.
20658 (optab_index, libfunc_index): New enumerations.
20659 (optab_table, libfunc_table): New arrays.
20660 Add accessor macros for both.
20662 * optabs.c (optab_table, libfunc_table): New.
20663 Delete declarations for individual optab and libfunc vars.
20665 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
20667 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
20669 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
20671 * Makefile.in (GGC, GGC_LIB): New.
20672 (HOST_RTL): Include ggc-none.o.
20673 (ggc-simple.o): New target.
20674 (ggc-none.o): Likewise.
20675 * tree.h (tree_common): Add gc_mark.
20676 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
20677 (struct rtvec_def): Add gc_mark.
20678 * emit-rtl.c (global_rtl): Update static initializers to contain
20679 enough initializers.
20680 * ggc.h, ggc-none.c, ggc-simple.c: New files.
20681 * toplev.c (gc_time): New variable.
20682 (all_time): New variable.
20683 (compile_file): Print gc time.
20684 (print_time): Calculate percentage of the whole.
20686 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20688 Change obstack memory management and varasm constant pool handling so
20689 that nested functions are treated like any other functions.
20690 * function.c (init_machine_status): New variable.
20691 (push_function_context_to): Set contains_functions for the outer
20692 function. Don't call save_varasm_status.
20693 (pop_function_context_from): Don't call restore_varasm_status. Don't
20694 set current_function_contains_functions.
20695 (prepare_function_start): Call init_varasm_status rather than
20696 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
20698 * function.h (struct function) Add field varasm. Delete fields
20699 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
20700 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
20701 (init_machine_status): Declare.
20702 (save_varasm_status, restore_varasm_status): Delete declarations.
20703 (save_tree_status, restore_tree_status): Delete last argument.
20704 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
20705 code. All callers changed.
20706 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
20707 save_constants_in_decl_trees, restore_constants, save_constants,
20708 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
20710 (inlining): New variable.
20711 (reg_map, label_map, insn_map, orig_asm_operands_vector,
20712 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
20714 (save_for_inline_nocopy): Don't save constants.
20715 Don't set inl_emit field in current_function.
20716 (expand_inline_function): Use emit field, not inl_emit, of the inlined
20717 function. Set new variable inlining before
20718 calling copy_rtx_and_substitute.
20719 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
20720 constant pool references if inlining is nonzero.
20721 Delete ADDRESS and (most of the) CONST cases.
20722 (output_inline_function): Save and restore current_function/
20723 current_function_decl. Delete restore_constants code. Don't call
20724 init_const_rtx_hash_table.
20725 * output.h (init_const_rtx_hash_table): Don't declare.
20726 * rtl.h (struct function): Declare.
20727 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
20728 * toplev.c (rest_of_compilation): Don't treat nested functions or
20729 functions containing them specially. Delete all code to deal with
20730 save_for_inline_copying.
20731 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
20732 inline_obstacks): Delete variables.
20733 (save_tree_status): Lose arg CONTEXT. All callers changed.
20734 Simply allocate a new function_maybepermanent_obstack for the new
20735 function, delete all the special cases.
20736 Don't save inline_obstacks.
20737 (restore_tree_status): Lose arg CONTEXT. All callers changed.
20738 Delete special handling for function_maybepermanent_obstack; simply
20740 Don't restore inline_obstacks.
20741 (permanent_allocation): Delete code that frees inline_obstacks.
20742 (print_inline_obstack_statistics): Delete function.
20743 (dump_tree_statistics): Don't call it.
20744 * varasm.c (struct varasm_status): New.
20745 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
20746 last_pool, pool_offset, const_double_chain): Delete global
20747 variables, replace with accessor macros.
20748 (immed_double_const): Don't walk const_double_chain outside a
20749 function, but don't treat nested functions specially anymore.
20750 (immed_real_const_1): Likewise.
20751 (clear_const_double_mem): Don't treat nested functions specially.
20752 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
20753 (save_varasm_status, restore_varasm_status): Delete functions.
20754 (init_varasm_status): New function.
20755 (force_const_mem): Don't treat nested functions specially.
20756 (find_pool_constant): Accept new arg F, search for constants in
20757 that function's pool rather than the current one. All callers
20759 (get_pool_constant_for_function, get_pool_mode_for_function): New
20762 * i386.c (init_386_machine_status): New function, mostly from
20763 clear_386_stack_locals.
20764 (struct machine_functions): Rename element names to avoid name
20766 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
20767 macros, replacing global variables.
20768 (clear_386_stack_locals, save_386_machine_status,
20769 restore_386_machine_status): Delete functions.
20770 (override_options): Initialize init_machine_status.
20771 * i386.h (INIT_EXPANDERS): Delete macro.
20772 (save_386_machine_status, restore_386_machine_status,
20773 clear_386_stack_locals): Delete declarations.
20775 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20777 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
20778 (doloop_begin): Simplify pattern and use emit_jump_insn.
20779 (doloop_end): Simplify pattern, switch operand order,
20780 and use emit_jump_insn.
20782 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20784 * function.h (struct function): Add new element LANGUAGE.
20785 (save_lang_status): Declare new variable.
20786 (restore_lang_status): Likewise.
20787 * function.c (save_lang_status): Define.
20788 (restore_lang_status): Likewise.
20789 (push_function_context_to): Call language-specific save function.
20790 (pop_function_context_from): Call language-specific restore function.
20792 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20794 * i386.md (movsf_1): Check REG_P before use of REGNO.
20795 (movdf_1): Likewise.
20796 (movxf_1): Likewise.
20797 (extendsfdf2): Likewise.
20798 (extendsfxf2): Likewise.
20799 (extenddfxf2): Likewise.
20801 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20803 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
20804 constants into memory.
20805 (c4x_shiftable_constant): New function.
20806 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
20807 (c4x_shiftable_constant): Declare.
20808 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
20809 ashlqi3_noclobber): Add new patterns and associated splitters.
20811 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
20813 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
20814 * dwarf2out.c (dwarf2out_frame_init): Likewise.
20815 * final.c (shorten_branches): Likewise.
20816 * global.c (global_alloc): Likewise.
20817 * haifa-sched.c (build_control_flow): Likewise.
20818 * stmt.c (check_for_full_enumeration_handling): Likewise.
20819 (estimate_case_costs): Likewise.
20821 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
20823 * rtl.h (RTL_CHECKC2): Fix typo in last change.
20825 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
20827 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
20828 (recompute_reg_usage): Likewise.
20829 * rtlanal.c (find_regno_fusage): Likewise.
20831 * rtl.c (rtl_check_failed_code1): New function.
20832 (rtl_check_failed_code2): New.
20833 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
20834 (RTL_CHECKC1, RTL_CHECKC2): New.
20835 (XC*): New accessor macros.
20836 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
20837 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
20838 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
20839 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
20840 (TRAP_*, RANGE_INFO_*): Likewise.
20842 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20844 * Makefile.in (tlink.o): Don't depend on toplev.h.
20846 * collect2.c (c_file, o_file, export_file, import_file, ldout,
20847 output_file, nm_file_name, ldd_file_name, strip_file_name,
20848 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
20849 add_prefix, prefix_from_env, prefix_from_string, do_wait,
20850 fork_execute, maybe_unlink, add_to_list,
20851 extract_init_priority, write_list, dump_list,
20852 dump_prefix_list, write_list_with_asm, write_c_file,
20853 write_c_file_stat, write_c_file_glob, scan_prog_file,
20854 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
20855 ignore_library, extract_string, notice, dump_file, target_machine,
20856 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
20857 read_file, print_load_command): Constify a char*.
20858 (fdopen, error, fatal, fatal_perror): Don't prototype.
20859 (my_strerror): Remove. All callers use xstrerror instead.
20860 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
20861 (main): Add prototype. Constify lots of char* ptrs. Change calls
20862 to xcalloc/strcpy/strcat/... to one call to concat.
20863 (main, scan_prog_file, scan_libraries): Use an intermediate
20864 `const char **' to build an argv array.
20865 (mapfile, libselect, libcompare, locatelib): Add prototypes.
20867 * collect2.h (collect_execute, collect_wait, dump_file,
20868 file_exists): Constify a char*.
20869 (ldout, c_file_name, temporary_obstack, permanent_obstack,
20870 temporary_firstobj, vflag, debug): Add extern declarations.
20871 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
20873 * tlink.c: Don't include toplev.h.
20874 (vflag, debug, ldout, c_file_name, temporary_obstack,
20875 permanent_obstack, temporary_firstobj): Don't declare.
20876 (tlink_execute, frob_extension, symbol_hash_lookup,
20877 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
20878 recompile_files, read_repo_files, demangle_new_symbols,
20879 scan_linker_output): Constify a char*.
20880 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
20881 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
20883 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
20885 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
20886 (relative) rather than jsr (absolute) subroutine call insns.
20887 * config/m68k/m68k-coff.h: Ditto.
20889 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
20891 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
20892 now rework these too.
20893 (arm_reorg): If an insn can't reach the end of the current pool,
20894 ensure that we emit that pool before the insn.
20896 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
20898 * tlink.c (scan_linker_output): Skip the initial underscore in
20899 a mangled name if appropriate.
20901 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20903 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
20904 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
20905 error_with_ivar, gen_declarator, create_builtin_decl,
20906 my_build_string, generate_descriptor_table, generate_ivars_list,
20907 generate_dispatch_table, check_protocols, TAG_GETCLASS,
20908 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
20909 dump_base_name, lang_decode_option, build_encode_expr,
20910 start_class, finish_class, encode_pointer, really_start_method,
20911 gen_declaration, dump_interface, handle_class_ref, handle_impent):
20913 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
20914 Add static prototypes.
20915 (build_objc_string_decl, build_selector_reference_decl,
20916 encode_bitfield, build_class_reference_decl): Remove unused
20917 parameter, all callers changed.
20918 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
20919 (objc_printable_name): Likewise. Change second parameter to type int.
20920 (init_objc): Use memcpy, not bcopy, to avoid casts.
20922 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
20924 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
20925 reg notes on a deleted insn.
20926 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
20928 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
20930 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
20932 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20934 * stmt.c (expand_asm_operands): Fix index into inout_mode when
20937 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
20939 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
20940 * tm.texi (MD_ASM_CLOBBERS): Document it.
20942 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
20944 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
20945 * except.c (expand_rethrow): Remove unused variable.
20946 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
20947 * flow.c (replace_insns): Likewise.
20948 (create_edge_list, verify_edge_list): Likewise.
20949 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
20951 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
20952 is special code to run.
20953 (main): Don't define operands to emit_operand.
20954 * genrecog.c (main): Don't emit an empty peephole2_insn function.
20956 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
20958 * alpha/alpha.h (normal_memory_operand): Declare.
20959 (reg_no_subreg_operand): Declare.
20960 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
20962 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
20964 * c-parse.in (compstmt_primary_start): New, broken out of first
20965 part of compstmt handling in primary.
20966 (primary): Use it. Add an error clause.
20967 (compstmt_nostart): Renamed from compstmt; remove all
20968 initial invocations of compstmt_start.
20971 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
20973 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
20976 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
20978 * combine.c (simplify_shift_const): Remove extra semicolon.
20979 * dwarf2out.c (remove_AT): Likewise.
20980 * expmed.c (expand_mult): Likewise.
20981 * gcov.c (create_program_flow_graph): Likewise.
20982 * reorg.c (mostly_true_jump): Likewise.
20984 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
20986 * fold-const.c (fold_range_test): Do not try to fold the range
20987 test if the rhs or lhs has side effects.
20989 * combine.c (simplify_rtx): Recognize another case of a synthesized
20992 * varasm.c (mark_constant_pool): When marking indirect references,
20993 only look at SYMBOL_REFs.
20995 * except.c (expand_fixup_region_end): Do not peek at
20996 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
20998 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21000 * flags.h: New variables align_loops, align_loops_log,
21001 align_jumps, align_jumps_log, align_labels, align_labels_log,
21002 align_functions, align_functions_log.
21003 * toplev.c: Define them.
21004 (f_options): Handle -falign-* when they have no argument.
21005 (main): Add logic to set variables for -falign-functions,
21006 -falign-jumps, -falign-labels, -falign-loops.
21007 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21008 (display_help): Change help to match options.
21009 * final.c (LABEL_ALIGN): Default to align_labels_log.
21010 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21011 (LOOP_ALIGN): Default to align_loops_log.
21012 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21013 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21014 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21015 * varasm.c (assemble_start_function): Handle align_functions.
21017 * config/sparc/sparc.h: Don't declare sparc_align_*.
21018 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21019 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21021 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21023 * config/sparc/sparc.c: Delete sparc_align_loops,
21024 sparc_align_jumps, sparc_align_funcs and the corresponding string
21026 (sparc_override_options): Default align_functions on ultrasparc.
21027 Delete -malign-* handling.
21029 * config/mips/mips.c (override_options): On 64-bit targets,
21030 try to align code to 64-bit boundaries.
21031 (print_operand): New substitution, %~,
21032 which aligns labels to align_labels_log.
21033 * config/mips/mips.md (div_trap_normal): Use %~.
21034 (div_trap_mips16): Likewise.
21036 (absdi2): Likewise.
21037 (ffssi2): Likewise.
21038 (ffsdi2): Likewise.
21039 (ashldi3_internal): Likewise.
21040 (ashrdi3_internal): Likewise.
21041 (lshrdi3_internal): Likewise.
21042 (casesi_internal): Likewise.
21044 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21046 Merge new ia32 backend from the branch!
21048 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21049 See ChangeLog.P2 on new_ia32_branch for details.
21051 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21052 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21053 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21054 * i386/gas.h (ASM_FILE_START): Define.
21055 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21056 for name change of ix86_valid_decl_attribute_p.
21057 (i386_pe_valid_type_attribute_p): Similarly.
21059 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21061 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21062 to step through CC modes.
21064 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21066 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21067 it would end up in the shadow of a live flags regsiter.
21069 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21071 * reload1.c: Fix many indentation problems.
21072 * reload.c: Likewise.
21074 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21076 * alias.c (non_local_reference_p): Constify fmt.
21078 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21080 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21082 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21084 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21085 the internal_arg_pointer.
21087 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21089 Merge peephole2 from new_ia32_branch:
21090 * Makefile.in (STAGESTUFF): Add *.peephole2.
21091 (mostlyclean): Likewise.
21092 (recog.o): Depend on resource.h.
21094 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21095 (final_scan_insn): Likewise for the invocation of peephole.
21096 * genconfig.c (main): Look for peephole and peephole2 patterns.
21097 Emit HAVE_peephole* accordingly.
21098 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21099 * flags.h (flag_peephole2): Declare.
21100 * toplev.c: New pass peephole2. New flag -fpeephole2.
21102 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21103 * gencodes.c (main): Likewise.
21104 * genextract.c (main): Likewise.
21105 * genoutput.c (main): Likewise.
21106 * genemit.c (max_operand_1): Look for the max scratch operand.
21107 (gen_rtx_scratch): New.
21108 (gen_exp): Use it, and pass on new arg subroutine_type.
21109 (gen_expand): Take max scratch into account.
21110 (gen_split): Emit peephole2 functions.
21111 (output_peephole2_scratch): New.
21112 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21113 * genrecog.c (routine_type): Add PEEPHOLE2.
21115 (make_insn_sequence): Match outer parallel for peep2. Discard
21116 top level scratches and dups.
21117 (add_to_sequence): New args insn_type and top. Update all callers.
21118 Handle toplevel peep2 matching insns.
21119 (write_subroutine): Handle peep2.
21120 (write_tree_1): Likewise.
21121 (write_tree): Likewise.
21123 (change_state): New arg afterward. Update all callers.
21124 Handle matching separate insns.
21125 * recog.c (recog_next_insn): New.
21126 (peephole2_optimize): New.
21127 * rtl.def (DEFINE_PEEPHOLE2): New.
21128 * resource.c (find_free_register): New argument last_insn. Use it
21129 to find a register available through the entire span.
21130 * resource.h (find_free_register): Update prototype.
21132 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21134 * i386.c (output_strlen_unroll): Don't write xops[7]
21135 label if it wasn't set.
21137 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21139 * cpplib.c (struct directive): Const-ify name pointer and
21140 function pointer prototype.
21141 (validate_else, do_define, do_line, do_include, do_undef,
21142 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21143 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21144 do_warning): Const-ify second arg.
21145 (directive_table): Mark const. Reorder entries by frequency
21146 of usage, record statistics.
21148 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21150 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21151 bounds- check RTL accesses if --enable-checking.
21152 (RTVEC_ELT): Bounds check if --enable-checking.
21153 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21154 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21155 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21157 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21158 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21160 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21161 (NOTE_SOURCE_FILE): Use X0STR.
21162 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21163 MEM_ALIAS_SET): Use X0INT.
21164 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21165 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21167 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21168 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21169 (rtl_check_failed_bounds, rtl_check_failed_type1,
21170 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21172 (fancy_abort): Fix comment.
21174 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21175 (cse_insn): Decrement LABEL_NUSES for jump target before
21176 deleting jump insn.
21177 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21178 * final.c (alter_subreg): Compute regno before changing x to
21179 REG; set REGNO(x) after changing it.
21180 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21181 notes containing CONST_INTs.
21182 (delete_eh_regions): Use NOTE_EH_HANDLER.
21183 * function.c (put_reg_into_stack): Make reg a MEM before
21185 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21187 (gen_mem_addressof): Make reg a MEM before initializing it.
21188 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21190 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21191 deleting an insn, not after.
21192 (block_alloc): Only look at PATTERN(insn) if we have to, and
21193 only if it's format class 'i'.
21194 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21195 CONST_INT before using its INTVAL.
21196 * print-rtl.c (print_rtx): Use X0STR.
21197 * regmove.c (fixup_match_1): Don't look at PATTERN of
21198 non-class-'i' insn chain elements.
21199 * reload.c (loc_mentioned_in_p): Take address of
21200 in->fld[1].rtx directly.
21201 * reload1.c (reload): Change reg to a MEM before initializing
21203 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21205 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21207 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21209 * config/mips/mips.c (machine_dependent_reorg): Force a
21210 barrier to output the local constant pool if a barrier hasn't
21211 been found at a natural point in the instruction stream.
21213 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21215 * c-parse.in (language_string): Constify.
21217 * dwarf2out.c (language_string): Remove declaration.
21219 * dwarfout.c (language_string): Likewise.
21221 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21223 * tree.h (language_string, init_parse, finish_parse): Declare.
21225 * i386/sun386.h (language_string): Remove declaration.
21227 * mips.h (language_string): Likewise.
21229 * nextstep.h (language_string): Likewise.
21231 * nextstep21.h (language_string): Likewise.
21233 * rs6000.c (language_string): Likewise.
21235 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21237 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21238 (getpwd.o): Remove target.
21240 * getpwd.c: Delete file. Its in libiberty now.
21242 * dbxout.c (getpwd): Don't prototype.
21243 * dwarf2out.c (getpwd): Likewise
21244 * dwarfout.c (getpwd): Likewise
21245 * final.c (getpwd): Likewise.
21246 * protoize.c (getpwd): Likewise.
21248 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21250 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21252 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21254 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21255 mark_set_resources.
21257 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21259 * fixinc/Makefile.in (subdir): New.
21260 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21263 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21265 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21266 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21269 * invoke.texi: Fix typo.
21271 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21272 changed. Handle autoincrement addressing modes.
21274 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21275 just like we would the virtual incoming args register when
21278 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21280 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21281 path, in .file directive.
21283 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21285 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21288 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21290 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21293 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21295 * tree.c (tree_code_name): Constify a char*.
21297 * tree.h (tree_code_name, decl_printable_name): Likewise.
21299 * function.h (struct function): Likewise.
21301 * toplev.c (decl_name, decl_printable_name): Likewise.
21303 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21305 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21306 (init_objc): Remove function pointer cast.
21308 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21310 * pa.md (interspace_jump): New pattern.
21311 (builtin_longjmp): New expander.
21313 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21315 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21316 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21317 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21319 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21321 * jump.c (delete_prior_computation): Also check calls
21322 to constant functions. Don't bother checking for a
21323 REG_UNUSED note before adding it.
21324 (delete_computation): Handle multi-word hard registers
21325 when synthesizing missing REG_DEAD notes for a register
21326 which is both set and used by an insn.
21328 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21330 * loop.c (this_loop_info): New variable.
21331 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21332 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21334 (prescan_loop, strength_reduce): New argument loop_info. All callers
21336 (scan_loop): New variable loop_info, initialise to address of
21338 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21339 Delete variable loop_has_multiple_exit targets and replace with
21340 field in this_loop_info.
21341 (find_and_verify_loops): Rename this_loop to this_loop_num.
21342 (strength_reduce): Delete loop_iteration_info. Replace variable
21343 loop_info with function argument of same name.
21344 (insert_bct): Rework test for loop being completely unrolled.
21346 * loop.h (struct loop_info): New fields num, loops_enclosed,
21347 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21348 has_indirect_jump, and cont. Redefine use of unroll_number.
21349 (loop_unroll_number): Delete.
21351 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21352 field of loop_info.
21353 (loop_iterations): Delete variable vtop and instead use
21354 loop_info->vtop computed in prescan_loop.
21356 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21358 * fix-header.c (main): Do not pass a null pointer to strcmp.
21360 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21362 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21364 * configure: Rebuilt.
21366 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21368 * jump.c (jump_optimize_1): Do not delete assignments to
21369 internal_arg_pointer.
21370 * cse.c (delete_trivially_dead_insns): Always consider a set of
21371 the internal_arg_pointer live.
21373 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21375 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21376 (update_life_info) [REG_WAS_0]: Search the original insns rather
21377 than the new insns for the note. Fix typos finding note_dest.
21378 If no dest found, discard the note rather than abort.
21379 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21380 (replace_insns): Remove the old insn list after update_life_info
21383 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21385 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21386 sched_analyze_insn.
21387 (sched_analyze_1): Let add_dependence care for not adding dups.
21388 (sched_analyze_2): Likewise.
21389 (add_branch_dependences): Likewise.
21391 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21393 * i386/winnt.c (export_list): New type.
21394 (exports_head): Rename to
21395 (export_head): this.
21396 (i386_pe_record_exported_symbol): Add is_data flag.
21397 (i386_pe_asm_file_end): Emit directive for exported variables.
21398 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21400 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21401 (ASM_DECLARE_OBJECT_NAME): Likewise.
21402 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21403 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21405 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21407 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21409 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21412 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21414 * config/openbsd.h: Define SET_ASM_OP.
21415 * tm.texi: cross-reference SET_ASM_OP in the index.
21417 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21419 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21420 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21421 and class_narrowest_mode at compile time. Kill init_rtl.
21422 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21423 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21424 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21426 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21428 * rtl.h: Declare rtx_length and rtx_format as const.
21429 * machmode.def: Define CC(). Use CC() to define CCmode. If
21430 EXTRA_CC_MODES is defined, expand it here.
21431 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21432 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21433 const. Kill all references to EXTRA_CC_MODES.
21435 * toplev.c: Don't prototype or call init_rtl.
21436 * optabs.c: Don't call init_mov_optab.
21437 * genemit.c: Don't generate init_mov_optab. Don't call
21439 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21441 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21442 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21443 genrecog.c: Don't call init_rtl.
21445 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21446 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21447 definition of EXTRA_CC_MODES.
21449 * md.texi: Kill ref to EXTRA_CC_NAMES.
21450 * tm.texi: Document new way to define EXTRA_CC_MODES.
21452 * genrecog.c: Do not look up the name of a define_split.
21453 (Unrelated bugfix.)
21455 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21457 * config/v850/v850.md: Fix typo introduced by previous delta.
21459 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21461 * gcc.c (fatal): Make definition static to match prototype.
21463 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21465 * combine.c (get_last_value): Don't look for earlier sets if the last
21466 known set is somewhere in between the insns being combined.
21468 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21470 * configure.in: Don't use shell ! to negate exit codes
21471 * configure: Regenerate
21473 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21475 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21476 the fact that ALIGN is measured in bits, not bytes.
21478 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21480 * errors.c: New file; defines functions error, warning, and
21481 fatal, variables have_error and progname.
21482 * errors.h: New file; prototypes and decls for stuff in errors.c.
21484 * Makefile: Add rules to build errors.o and
21485 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21486 genopinit, genrecog, genextract, genpeep, genattr, and
21487 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21488 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21489 genpeep.o, genattr.o, and genoutput.o.
21491 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21492 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21493 define or prototype fatal. Set progname at beginning of main.
21494 * genoutput.c: Likewise, and don't define or prototype error
21497 * c-typeck.c (c_expand_start_case): Return immediately if exp
21499 * fold-const.c (operand_equal_p): Return immediately if arg1
21500 or arg0 are ERROR_MARKs.
21501 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21502 fields of type ERROR_MARK when calculating if the record can
21505 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21506 with much help from Jeffrey A Law and Richard Henderson
21508 * i386.md: In the 6 insns which call output_fix_trunc,
21509 earlyclobber operands[0].
21511 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21513 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21514 creating new registers.
21516 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21518 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21519 i386_reg_alloc_order, i386_regparm_string,
21520 i386_align_loops_string, i386_align_jumps_string,
21521 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21522 and i386_branch_cost_string as type "const char *".
21523 * i386.c: Define all above strings as type "const char *".
21525 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21527 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21528 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21530 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21532 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21533 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21535 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21537 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21538 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21539 (dwarf2out_line, dwarf2out_finish): Likewise.
21540 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21542 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21544 * tree.c (lang_unsave_expr_now) : Correct return type.
21545 * tree.h (lang_unsave_expr_now) : Same.
21547 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21549 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21550 instead of duplicating code.
21552 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21554 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21556 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21558 * tree.h: fancy_abort always takes three args.
21559 * resource.c: Move include of system.h before toplev.h.
21561 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21563 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21566 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21568 * system.h: Don't redefine abort or trim_filename.
21569 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21570 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21571 whether or not __FUNCTION__ is available.
21572 * tree.h: Duplicate rtl.h's definition of abort, for files
21573 that don't include rtl.h. Delete all code to perform type
21574 checking with a compiler other than GCC.
21575 * varray.h: Delete all code to perform type checking with a
21576 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21577 its arguments exactly once, using a statement expression.
21578 Adjust the VARRAY_<type> accessor macros to match.
21579 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21580 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21581 caller's location. Define fatal_insn and fatal_insn_not_found
21582 as macros that use _fatal_insn and _fatal_insn_not_found.
21583 (fancy_abort, trim_filename): Kill prototypes.
21585 * rtl.c (trim_filename): Move here from toplev.c.
21586 (fancy_abort): New function.
21587 (DIR_SEPARATOR): Provide default definition.
21588 * tree.c (tree_check_failed, tree_class_check_failed): Go
21589 through fancy_abort.
21590 (tree_check, tree_class_check, cst_or_constructor_check,
21591 expr_check): Delete.
21592 * varray.c (varray_check_failed): New function.
21593 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
21594 _fatal_insn and _fatal_insn_not_found. Go through
21596 (trim_filename, fancy_abort): Delete.
21598 * builtins.c (expand_builtin_args_info): Report ICE with abort.
21599 * except.c (start_catch_handler): Report ICE with error/abort
21601 * final.c (output_operand_lossage): Likewise.
21602 * flow.c (verify_flow_info): Likewise.
21604 * gcc.c: Prototype fatal.
21605 * gengenrtl.c: Undef abort after including rtl.h not system.h.
21606 * genattr.c, genattrtab.c, genemit.c, genextract.c,
21607 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
21608 Don't define fancy_abort.
21610 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
21612 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
21615 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
21617 * m88k.h (VERSION_INFO2): Kill.
21618 (VERSION_STRING): Kill.
21620 (VERSION_INFO1): Tidy.
21621 (TARGET_VERSION): Update.
21622 * m88k/dgux.h (VERSION_INFO2): Kill.
21623 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
21624 * m88k/luna.h (VERSION_INFO1): Tidy.
21625 * m88k/sysv4.h (VERSION_INFO1): Likewise.
21626 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
21627 (output_file_start): Adjust for death of VERSION_STRING.
21629 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
21631 * cpplib.c (detect_if_not_defined): New function.
21632 (do_if): Use it to detect potential once-only headers.
21634 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
21636 * c-common.c (combine_strings): Always set TREE_CONSTANT.
21638 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21640 * combine.c (nonzero_bits) : Allow single-ly set registers to be
21641 anywere in the function only if they are pseudos and set before
21642 being used (not live at the start of the function).
21643 (num_sign_bit_copies) : Same.
21644 (get_last_value_validate) : Same.
21645 (get_last_value) : Same.
21647 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
21649 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
21650 where N and M are constant and N is an integer multiple of M.
21652 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21654 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
21655 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
21656 sbitmap_union_of_preds): Add prototypes.
21657 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
21658 the intersection of successors with the new flow graph structures.
21659 (sbitmap_intersection_of_preds): New function to compute the
21660 intersection of predecessors with the new flow graph structures.
21661 (sbitmap_union_of_succs): New function to compute the union of
21662 successors with the new flow graph structures.
21663 (sbitmap_union_of_preds): New function to compute the union of
21664 predecessors with the new flow graph structures.
21665 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
21666 (expr_reaches_here_p): Use edge and basic_block structures instead
21667 of s_preds and s_succs.
21668 (compute_cprop_avinout): Use new sbitmap routines.
21669 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
21670 of s_preds and s_succs.
21671 * flow.c (compute_flow_dominators): Compute dominators using
21672 edges and basic blocks instead of s_preds and s_succs.
21674 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21676 * lists.c (unused_insn_list, unused_expr_list): New file for
21677 maintaining various types of lists. New statics for maintaining a
21678 cache of available INSN_LIST and EXPR_LIST nodes.
21679 (free_list): Static function for freeing a list of INSN/EXPR nodes.
21680 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
21681 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
21682 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
21683 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
21684 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
21685 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
21686 (free_INSN_LIST_node): Free an individual INSN_LIST node.
21687 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
21688 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
21689 (remove_dependence, free_pending_lists): Use new global routines.
21690 (flush_pending_lists, sched_analyze_insn): Use new global routines.
21691 (sched_analyze, compute_block_backward_dependences): Use new routines.
21692 (sched_analyze_1, sched_analyze_2): Use new routines.
21693 (schedule_insns): Use new global routines.
21694 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
21696 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
21697 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
21699 * toplev.c (rest_of_compilation): Initialize node cache.
21700 * Makefile.in (OBJS): Add lists.o to list of object files.
21701 (lists.o): Add dependancies.
21703 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
21705 * config/v850/v850.md: Fix compile time warning messages.
21706 * config/v850/v850.c: Fix compile time warning messages.
21707 * config/v850/v850.h: Fix compile time warning messages.
21709 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21711 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
21712 Remove unused prototype for `init_lengths'.
21714 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21716 * calls.c (emit_call_1): Mark parameter `stack_size' with
21718 (expand_call): Initialize variable `insn'.
21719 (emit_library_call): Likewise for variable `high_to_save'.
21720 (emit_library_call_value): Likewise.
21721 (store_one_arg): Likewise for variables `lower_bound' and
21724 * combine.c (try_combine): Likewise for variables `i2_code_number'
21725 and `other_code_number'.
21726 (find_split_point): Likewise for variables `pos', `unsignedp' and
21728 (simplify_if_then_else): Likewise for variables `op' and `c1'.
21729 (simplify_and_const_int): Remove unused variable `width'.
21730 (merge_outer_ops): Likewise.
21732 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
21733 HOST_WIDE_INT' when comparing against one.
21734 (simplify_relational_operation): Likewise.
21735 (cse_insn): Initialize variables `src_eqv_volatile',
21736 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
21738 * final.c (init_final): Constify parameter `filename'.
21739 (final_start_function): Mark parameter `optimize' with
21741 (profile_function): Likewise for parameters `first' and `optimize'.
21742 (output_source_line): Likewise for parameter `file'.
21744 * integrate.c (subst_constants): Cast a value to `size_t' when
21745 comparing against one.
21746 (mark_stores): Initialize variable `mode'. Cast a value to
21747 `size_t' when comparing against one.
21749 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
21751 * loop.c (move_movables): Initialize variable `first'.
21752 (strength_reduce): Likewise for variable `increment'.
21753 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
21754 value to `size_t' when comparing against one.
21755 (load_mems): Initialize variable `end_label'.
21757 * output.h (init_final): Constify parameter.
21759 * reload.c (decompose): Initialize variable `base'.
21761 * reload1.c (reload): Likewise for variable `is_scalar'.
21762 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
21763 (choose_reload_regs): Initialize variable `mode'.
21764 (emit_reload_insns): Likewise for variable `store_insn'.
21765 (reload_cse_noop_set_p): Mark parameter `insn' with
21767 (reload_combine): Initialize variable `set'.
21769 * unroll.c (unroll_loop): Likewise for variable `local_label'.
21770 (copy_loop_body): Cast a value to `size_t' when comparing against
21773 * varasm.c (assemble_variable): Initialize variable `size_tree'.
21774 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
21775 (remove_from_pending_weak_list): Mark parameter `name' with
21778 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21780 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
21783 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
21785 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
21786 (ASM_DECLARE_FUNCTION_NAME): Define.
21787 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
21788 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
21789 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
21790 not already defined.
21792 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21794 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
21795 of n_popped when call/call_value are not defined.
21797 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
21799 * tm.texi: GNU CC -> GCC conversion.
21800 (CC1_SPEC): Indicate it is used for all language front ends.
21802 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
21804 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
21805 NOTE_INSN_EH_REGION_END correctly.
21807 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21808 Jeff Law <law@cygnus.com>
21810 * loop.c (strength_reduce): Automatically unroll loops if the
21811 unrolled loop size is smaller than the rolled loop size.
21813 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
21814 and delete comment that code should be rewritten.
21816 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
21818 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
21821 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
21823 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
21825 * fixinc/mkfixinc.sh: Don't fix uwin headers.
21826 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
21827 (LINK_SPEC): Add -u _main when building executables.
21828 (ASM_DECLARE_FUNCTION): Update from Cygwin.
21829 (ASM_FILE_END): Use the default for ix86-pe.
21830 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
21832 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
21834 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
21835 and ASM_CLOSE_PAREN are empty strings.
21837 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
21838 Geoffrey Keating <geoffk@cygnus.com>
21840 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
21841 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
21842 (unprotoize.o): Ditto.
21843 (test-protoize-simple): Don't define STD_PROTO_DIR.
21844 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
21845 changes to make 'test-protoize-simple' pass.
21846 (STD_PROTO_DIR): Remove define.
21847 (STANDARD_EXEC_PREFIX): Supply default define.
21848 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
21849 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
21850 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
21851 (GET_ENV_PATH_LIST): New macro.
21852 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
21853 (do_processing): Initialize default_syscalls_dir using new
21854 macros. Use it to initialize syscalls_absolute_filename.
21856 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
21858 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
21859 B into a register before emit_conditional_move.
21861 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
21863 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
21864 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
21865 multiplicand out of (+ (* a b) (* c d)).
21867 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
21868 Richard Henderson <rth@cygnus.com>
21870 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
21871 (new_insn_dead_notes): Likewise.
21872 (update_n_sets): Likewise.
21873 (update_flow_info): Move to flow.c, renamed to update_life_info;
21874 extend to handle multiple source insns.
21875 * flow.c: Include resource.h
21876 (unlink_insn_chain): New.
21877 (split_hard_reg_notes): New.
21878 (maybe_add_dead_note): New.
21879 (maybe_add_dead_note_use): New.
21880 (find_insn_with_note): New.
21881 (new_insn_dead_notes): New.
21882 (update_n_sets): New.
21883 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
21884 (maybe_remove_dead_notes): New.
21885 (update_life_info): New.
21886 (prepend_reg_notes): New.
21887 (replace_insns): New.
21888 * output.h (update_life_info): Declare.
21889 * recog.c (split_block_insns): Use update_life_info.
21890 * resource.c (find_free_register): Use reg_alloc_order, don't use
21891 fixed regs, make sure the mode is supported, don't use new regs.
21893 * rtl.h (replace_insns): Declare.
21895 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
21897 * expr.c (expand_expr): Cope with COND_EXPRs with one
21898 non-returning branch.
21900 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
21902 * expr.c (store_expr): Always pass down the target, even when not
21905 1999-08-24 Nick Clifton <nickc@cygnus.com>
21907 * configure.in: Define target_cpu_default for v850 targets.
21908 * configure: Regenerate
21910 * config/v850/v850.h (TARGET_CPU_generic): Define.
21911 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
21912 addresses are 4 byte aligned.
21914 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
21917 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21919 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
21920 (main): Add prototypes.
21922 * genattrtab.c (substitute_address, write_const_num_delay_slots,
21923 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
21924 (write_attr_get): Emit prototypes along with function definition.
21925 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
21926 (write_complex_function): Emit static prototype along with
21927 function definition.
21929 * genemit.c (gen_split): Emit prototypes along with function
21932 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
21933 Likewise for predicates and `insn_operand_predicate'.
21934 (process_template): Emit static prototype along with function
21937 * genrecog.c (make_insn_sequence): Constify a char*. Add
21938 prototypes for get_split_*().
21939 (write_subroutine): Emit prototypes along with function
21942 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21944 * gcse.c (find_avail_set): Follow chains of register-register copies.
21945 Use oprs_not_set_p to guarantee that the returned value can be
21947 (cprop_insn): Don't verify the return value of find_avail_set with
21950 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
21951 (cprop_cc0_jump): New function.
21952 (cprop_insn): Break out new function cprop_jump and use it.
21953 Also use cprop_cc0_jump for machines with CC0.
21954 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
21956 * tree.h (current_function_calls_setjmp,
21957 current_function_calls_longjmp): Delete declarations.
21958 * dsp16xx.c: Include "function.h".
21959 * elxsi.c: Likewise.
21960 * gmicro.c: Likewise.
21961 * h8300.c: Likewise.
21962 * i370.c: Likewise.
21963 * m32r.c: Likewise.
21964 * mn10200.c: Likewise.
21965 * mn10300.c: Likewise.
21966 * ns32k.c: Likewise.
21967 * spur.c: Likewise.
21968 * v850.c: Likewise.
21970 * rtl.h (rtx_equal_function_value_matters): Declare.
21971 * toplev.c (rtx_equal_function_value_matters): Don't declare.
21973 * function.c: Likewise.
21974 * emit-rtl.c: Likewise.
21976 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
21978 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
21981 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
21983 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
21986 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
21988 * cpp.texi: Add a node documenting macro varargs (copied
21991 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
21993 * cppspec.c: Put a null pointer at the end of the new argv.
21995 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
21997 * configure.in: Remove code to select/de-select the haifa
21998 scheduler. Every scheduled port gets haifa now.
21999 * configure: Rebuilt.
22000 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22002 * Makefile.in: Corresponding changes.
22004 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22006 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22007 All callers changed.
22008 (prepare_float_lib_cmp): Likewise.
22009 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22010 * expr.h (emit_float_lib_cmp): Delete declaration.
22011 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22012 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22013 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22015 (cmptf): Now conditional on TARGET_HARD_QUAD.
22017 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22019 * resource.c (mark_target_live_regs): Use
22020 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22022 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22024 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22026 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22028 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22030 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22032 * rtl.h (rtx_format): Constify a char*.
22034 * rtl.c (rtx_format): Likewise.
22035 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22036 (init_rtl): Use accessor macro, not `rtx_format'.
22038 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22041 * caller-save.c (mark_referenced_regs): Likewise.
22043 * combine.c (subst, make_compound_operation, known_cond,
22044 gen_rtx_combine, update_table_tick, get_last_value_validate,
22045 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22047 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22048 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22049 count_reg_usage): Likewise.
22051 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22054 * final.c (leaf_renumber_regs_insn): Likewise.
22056 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22057 dump_edge_info, count_reg_references): Likewise.
22059 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22060 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22063 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22064 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22065 add_label_notes): Likewise.
22067 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22068 clear_struct_flag, count_sub_rtxs, count_alternatives,
22069 compares_alternatives_p, contained_in_p, walk_attr_value,
22070 write_expr_attr_cache): Likewise.
22072 * genconfig.c (walk_insn_part): Likewise.
22074 * genemit.c (max_operand_1, gen_exp): Likewise.
22076 * genextract.c (walk_rtx): Likewise.
22078 * genflags.c (num_operands): Likewise.
22080 * genoutput.c (scan_operands): Likewise.
22082 * genpeep.c (match_rtx): Likewise.
22084 * genrecog.c (add_to_sequence): Likewise.
22086 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22089 * integrate.c (save_constants, copy_for_inline,
22090 copy_rtx_and_substitute, subst_constants, restore_constants):
22093 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22094 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22096 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22099 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22100 add_label_notes, replace_call_address, count_nonfixed_reads,
22101 invariant_p, find_single_use_in_loop, find_mem_givs,
22102 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22105 * print-rtl.c (reg_names, print_rtx): Likewise.
22107 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22109 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22110 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22111 print_blocks): Likewise.
22113 * regclass.c (fix_register, record_address_regs,
22114 reg_scan_mark_refs): Likewise.
22116 * regmove.c (stable_but_for_p): Likewise.
22118 * reload.c (loc_mentioned_in_p, operands_match_p,
22119 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22120 copy_replacements, refers_to_regno_for_reload_p,
22121 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22122 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22125 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22126 delete_address_reloads_1, count_occurrences,
22127 reload_cse_mem_conflict_p, reload_combine_note_use,
22128 add_auto_inc_notes): Likewise.
22130 * resource.c (mark_referenced_resources, mark_set_resources):
22133 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22134 reg_mentioned_p, regs_set_between_p, modified_between_p,
22135 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22136 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22137 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22138 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22140 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22142 * stupid.c (stupid_mark_refs): Likewise.
22144 * unroll.c (remap_split_bivs): Likewise.
22146 * varasm.c (mark_constants): Likewise.
22148 * a29k/a29k.c (uses_local_reg_p): Likewise.
22150 * alpha/alpha.c (summarize_insn): Likewise.
22152 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22153 eliminate_lr2ip): Likewise.
22155 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22157 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22158 reg_mentioned_in_mem): Likewise.
22160 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22161 symbolic_reference_mentioned_p): Likewise.
22163 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22165 * sh/sh.c (regs_used, mark_use): Likewise.
22167 * vax/vax.c (vax_rtx_cost): Likewise.
22169 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22171 * machmode.h (mode_name): Constify a char*.
22173 * rtl.c (mode_name): Likewise.
22175 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22177 * optabs.c (init_libfuncs): Constify a char*.
22179 * print-tree.c (mode_name): Remove redundant declaration.
22180 (print_node): Use accessor macro, not `mode_name'.
22182 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22184 (new_spill_reg): Constify a char*.
22186 * tree.c (mode_name): Remove redundant declaration.
22188 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22190 * rtl.c (rtx_name): Constify a char*.
22192 * rtl.h (rtx_name, fix_sched_param): Likewise.
22194 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22195 (mypr): Use accessor macro, not `rtx_name'.
22197 * genemit.c (print_code): Constify a char*.
22199 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22201 * genpeep.c (print_code): Constify a char*.
22203 * genrecog.c (print_code): Likewise.
22205 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22206 end_bb): Add static prototype.
22207 (draw_edge): Constify a char*.
22208 (end_bb): Remove unused parameter.
22210 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22211 print_block_visualization): Constify a char*.
22213 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22215 * c-common.c (c_get_alias_set): Update comment.
22217 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22219 * linux.h (LIB_SPEC): Added.
22221 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22223 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22225 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22227 * tree.c (expr_check): Fix typo in last change.
22229 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22231 * rtl.def (NOTE): Change format to "iuu0n".
22232 (ADDR_DIFF_VEC): Change format to "eEee0".
22233 (ADDRESSOF): Change format to "eit".
22235 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22236 (RTVEC_ELT): Change to match.
22237 (XVECEXP): Use XVEC and RTVEC_ELT.
22238 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22239 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22240 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22241 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22242 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22243 (INTVAL): Use XWINT.
22244 (ADDRESSOF_DECL): Use XTREE.
22245 (SET_ADDRESSOF_DECL): Delete.
22246 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22247 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22248 ifdefed out since 2.6 at least.
22249 (gen_rtvec_vv): Delete prototype.
22251 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22253 (copy_most_rtx): Handle 't' format letter.
22254 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22255 (gen_rtvec_vv): Delete function. All callers changed to use
22256 gen_rtvec_v instead.
22257 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22258 the '0' format letter.
22260 * function.c (gen_mem_addressof): Don't use
22261 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22263 * integrate.c (copy_rtx_and_substitute): Likewise.
22264 Copy 't' slots with XTREE.
22265 (subst_constants): Treat 't' slots like '[swi]' slots.
22266 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22267 * jump.c (rtx_equal_for_thread_p): Likewise.
22268 * rtlanal.c (rtx_equal_p): Likewise.
22269 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22270 only four arguments.
22271 * gengenrtl.c (type_from_format): Provide correct types for
22275 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22276 If a recent gcc is in use (always in stage2 and beyond), use
22277 statement expressions, so we don't make a function call unless
22278 the check fails. Evaluate arguments exactly once.
22279 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22280 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22282 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22283 they evaluate their arguments exactly once, irrespective of
22284 the compiler in use.
22286 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22287 is used by the currently-enabled check macros. This is:
22288 (tree_check_failed, tree_class_check_failed): For gcc.
22289 (tree_check, tree_class_check, cst_or_constructor_check,
22290 expr_check): For other compilers.
22292 * gencheck.c: Do not define any *_CHECK1 macros.
22294 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22295 Mark Mitchell <mark@codesourcery.com>
22297 * c-common.c (c_get_alias_set): Fix support for poitners and
22300 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22302 * alias.c: Include tree.h.
22303 (nonlocal_reference_p, mark_constant_function): New functions.
22304 * flow.c (life_analysis): Call mark_constant_function.
22305 * rtl.h (mark_constant_function): Declare it.
22307 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22309 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22310 unrecognisable switches.
22312 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22314 * loop.c (recombine_givs): Set ix field after sorting.
22315 (recombine_givs): Remove bogus index / giv lockstep looping.
22317 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22319 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22321 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22322 (do_cmp_and_jump): Formatting fixes.
22323 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22324 do_compare_rtx_and_jump instead of compare_from_rtx.
22325 (do_compare_rtx_and_jump): New function; mostly copied from
22327 (do_jump_for_compare): Delete.
22328 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22330 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22331 of compare/do_jump_for_compare pairs.
22332 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22333 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22334 compare_from_rtx/do_jump_for_compare pairs.
22335 (do_jump_by_parts_equality): Likewise.
22336 (do_jump_by_parts_equality_rtx): Likewise.
22337 * expr.h (do_compare_rtx_and_jump): Declare.
22338 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22339 that used to be in emit_cmp_insn.
22340 (cmp_available_p): New function.
22341 (prepare_operand): New function.
22342 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22343 to be in emit_cmp_insn.
22344 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22345 parameters to be pointers; don't emit final compare but modify some of
22346 the values pointed to by the args so the caller can perform the
22347 correct comparison.
22348 (expand_binop): Call emit_store_flag_force with signed forms of
22350 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22351 emit_jump_insn pair.
22352 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22353 emit_cmp_and_jump_insn_1. Call emit_queue.
22354 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22356 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22357 jump sets cc0 before deleting it.
22358 * integrate.c (expand_inline_function): Likewise.
22359 * unroll.c (unroll_loop): Similar changes in several places.
22360 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22361 before deleting it.
22363 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22365 * Makefile.in (insn-recog.o): Update dependencies.
22366 * genrecog.c (main): Make generated file include "function.h".
22368 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22370 * cse.c (cse_insn): Call never_reached_warning when a jump is
22371 changed to be unconditional.
22372 * flags.h: Declare warn_notreached.
22373 * flow.c (delete_block): Call never_reached_warning when
22374 a block is deleted.
22375 * jump.c (delete_barrier_successors): Call never_reached_warning
22376 when we delete everything after a BARRIER.
22377 (never_reached_warning): New function.
22378 * rtl.h: Declare never_reached_warning.
22379 * toplev.c (warn_notreached): New variable.
22380 (lang_independent_options): Set warn_notreached
22381 when -Wunreachable-code.
22382 (compile_file): We need line numbers for -Wunreachable-code.
22384 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22386 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22387 * sched.c (insn_unit): Likewise.
22389 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22391 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22393 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22395 * flow.c (create_edge_list): Use xmalloc, not malloc.
22397 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22399 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22400 C-style comments. Do not lose the character before double slash.
22402 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22404 * basic-block.h (struct edge_list): Stucture to maintain a vector
22406 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22407 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22408 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22409 New function prototypes.
22410 * flow.c (create_edge_list): Function to create an edge list.
22411 (free_edge_list): Discards memory used by an edge list.
22412 (print_edge_list): Debug output showing an edge list.
22413 (verify_edge_list): Internal consistency check for an edge list.
22414 (find_edge_index): Function to find an edge index for a pred and succ.
22416 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22418 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22421 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22423 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22425 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22427 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22429 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22431 * toplev.c (rest_of_compilation): Allow machine dependent
22432 reorganisation pass to place information into the RTL dump
22433 file if it so wishes.
22435 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22437 * explow.c (hard_function_value): Use VOIDmode instead of
22439 * stmt.c (expand_return): Likewise.
22440 * stor-layout.c (get_best_mode): Likewise.
22442 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22443 emit call instead of emit_insn call.
22445 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22447 * configure.in: Handle --disable/enable-win32-registry.
22448 * install.texi: Document --disable/enable-win32-registry.
22449 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22450 (WIN32_REGISTRY_KEY): New macro.
22451 * prefix.c: Use to enable/disable win32-specific code.
22452 (lookup_key): Use versioned key.
22453 * configure: Regenerate.
22454 * config.in: Likewise.
22456 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22458 * cpplib.c (read_line_number): New fn, split out of...
22461 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22463 tree.c (lang_unsave_expr_now) : New.
22464 (unsave_expr_now): Call lang_unsave_expr_now.
22465 tree.h (lang_unsave_expr_now) : New.
22467 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22469 * toplev.c (flag_new_exceptions): On by default.
22471 1999-08-13 Michael Meissner <meissner@cygnus.com>
22473 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22475 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22477 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22478 INTEGER_TYPE with precision==1, it's __java_boolean.
22480 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22482 * global.c (prune_preferences): Move some invariants out of the
22485 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22487 * configure.in (alpha*-dec-osf*): Add osf5.
22489 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22491 * configure.in: Rework handling of ARM GNU/Linux slightly.
22492 (arm*-*-linux-gnuoldld): New target.
22493 * configure: Regenerate.
22494 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22495 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22496 * config/arm/linux-oldld.h: New file.
22497 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22498 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22500 * config/arm/linux-elf.h (ASM_SPEC): Define.
22501 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22502 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22503 for 26-bit APCS and old linker.
22504 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22506 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22507 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22508 don't define `arm' or `arm_elf'.
22509 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22510 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22512 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22514 * rtl.texi: Fix typo.
22516 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22518 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22520 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22522 * extend.texi (C++ Signatures): Remove node.
22523 * invoke.texi: Remove discussion of -fhandle-signatures,
22524 signature, sigof, __signature__, and __sigof__.
22526 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22528 * Makefile.in (JAVAGC): Removed.
22530 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22532 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22534 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22536 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22538 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22540 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22541 a register that is already known to be a pointer.
22543 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22545 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22546 * fixinc/inclhack.sh: Regenerated.
22547 * fixinc/fixincl.sh: Regenerated.
22549 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22551 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22552 Fix documentation of -ansi flag to describe its C++ behavior.
22553 Remove bogus reference to GCC 2.9.
22555 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22557 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22558 note if it is non-NULL.
22560 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22562 * except.h (eh_nesting_info): Add new structure defintion.
22563 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22564 (reachable_handlers, update_rethrow_references): Add function
22566 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22567 a rethrow symbol instead of an integer exception region number.
22568 * flow.c (Make_edges): Use new exception nesting routines to determine
22569 which handlers are reachable from a CALL or asynchronous insn.
22570 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22572 (delete_eh_regions): Update rethrow labels, and don't delete
22573 regions which are the target of a rethrow.
22574 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22575 avoid overloading the SYMBOL_REF_USED flag.
22576 (rethrow_symbol_map): Use new rethrow_ref field.
22577 (rethrow_used): Use new rethrow_ref field.
22578 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22579 of an integer. Fix formatting.
22580 (output_exception_table_entry): Use new rethrow_ref field.
22581 (can_throw): Check for EH_REGION_NOTE before deciding
22582 whether a CALL can throw or not.
22583 (scan_region): Call rethrow_used() instead of accessing data structure.
22584 (update_rethrow_references): New function to make sure only regions
22585 which are still targets of a rethrow are flagged as such.
22586 (process_nestinfo): New static function to initialize a handler
22587 list for a specific region.
22588 (init_eh_nesting_info): New function to allocate and initialize
22589 the list of all EH handlers reachable from all regions.
22590 (reachable_handlers): New function to retrieve the list of handlers
22591 reachable from a specific region and insn.
22592 (free_eh_nesting_info): New function to dispose of a list of
22593 reachable handlers.
22595 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22597 * flow.c (split_edge): Set JUMP_LABEL field.
22598 (commit_one_edge_insertion): Set head correctly for insert_before.
22599 When inserting insns, update insn block numbers if allocated.
22601 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22603 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
22604 retry_incomplete_types): Add static prototype.
22605 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
22606 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
22607 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
22608 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
22609 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
22612 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
22613 dwarf2out_start_source_file, dwarf2out_line): Likewise.
22615 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22617 * output.h (assemble_name): Constify a char*.
22619 * varasm.c (UNIQUE_SECTION, assemble_start_function,
22620 assemble_variable, assemble_name): Likewise.
22622 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
22624 * arm/pe.c (arm_pe_unique_section): Likewise.
22626 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
22628 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
22630 * i386/interix.c (i386_pe_unique_section): Likewise.
22632 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
22634 * i386/winnt.c (i386_pe_unique_section): Likewise.
22636 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
22638 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
22640 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
22642 * pa/pa.c (output_call): Likewise.
22644 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
22646 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
22648 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
22651 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
22654 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
22656 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
22657 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
22659 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
22661 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22663 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
22665 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22667 * tree.h (lang_identify): Constify a char*.
22668 (print_error_function): Add extern prototype. Constify a char*.
22670 * c-lang.c (lang_identify): Constify a char*.
22672 * objc/objc-act.c (lang_identify): Constify a char*.
22674 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22676 * genpeep.c (main): Make generated file include "function.h".
22677 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
22679 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22681 * Makefile.in: Update dependencies.
22682 * alias.c: Include "function.h"
22683 * c-decl.c: Likewise.
22684 * caller-save.c: Likewise.
22685 * calls.c: Likewise.
22686 * combine.c: Likewise.
22688 * explow.c: Likewise.
22689 * final.c: Likewise.
22690 * global.c: Likewise.
22691 * graph.c: Likewise.
22692 * local-alloc.c: Likewise.
22693 * loop.c: Likewise.
22694 * optabs.c: Likewise.
22695 * profile.c: Likewise.
22696 * recog.c: Likewise.
22697 * regclass.c: Likewise.
22698 * regmove.c: Likewise.
22699 * reload.c: Likewise.
22700 * reorg.c: Likewise.
22701 * resource.c: Likewise.
22702 * sched.c: Likewise.
22703 * stupid.c: Likewise.
22704 * config/1750a/1750a.c: Likewise.
22705 * config/a29k/a29k.c: Likewise.
22706 * config/arc/arc.c: Likewise.
22707 * config/arm/arm.c: Likewise.
22708 * config/arm/thumb.c: Likewise.
22709 * config/c4x/c4x.c: Likewise.
22710 * config/clipper/clipper.c: Likewise.
22711 * config/convex/convex.c: Likewise.
22712 * config/fx80/fx80.c: Likewise.
22713 * config/i860/i860.c: Likewise.
22714 * config/m68k/m68k.c: Likewise.
22715 * config/m88k/m88k.c: Likewise.
22716 * config/mips/mips.c: Likewise.
22717 * config/pdp11/pdp11.c: Likewise.
22718 * config/pyr/pyr.c: Likewise.
22719 * config/romp/romp.c: Likewise.
22720 * config/sh/sh.c: Likewise.
22721 * config/tahoe/tahoe.c: Likewise.
22722 * config/vax/vax.c: Likewise.
22723 * config/we32k/we32k.c: Likewise.
22724 * config/sparc/sparc.c: Include "function.h".
22725 (mem_min_alignment): Test current_function rather than
22726 regno_pointer_align.
22727 * config/pa/pa.c: Likewise.
22728 (compute_frame_size): Delete declaration of
22729 current_function_outgoing_args_size.
22730 * config/arc/arc.h (current_function_varargs): Delete declaration.
22731 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
22733 * config/i370/i370.h (current_function_outgoing_args_size): Delete
22735 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
22736 current_function_uses_pic_offset_table.
22737 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
22738 of current_function_returns_pointer.
22739 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22740 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22741 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22742 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22743 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22744 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22745 * config/m88k/m88k.c: Include "function.h"
22746 (call_used_regs, current_function_pretend_args_size,
22747 current_function_outgoing_args_size, frame_pointer_needed): Delete
22749 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
22751 * config/mips/mips.h (current_function_calls_alloca): Delete
22753 * config/mn10200/mn10200.h (current_function_needs_context,
22754 rtx_equal_function_value_matters): Delete declarations.
22755 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
22756 flag_pic): Delete declarations.
22757 * config/pa/pa.h (current_function_pretend_args_size,
22758 current_function_decl): Delete declarations.
22759 * config/pa/som.h (current_function_varargs): Delete declaration.
22760 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
22762 * config/pyr/pyr.h (current_function_pretend_args_size,
22763 current_function_args_size, current_function_calls_alloca): Delete
22765 * config/sh/sh.h (current_function_varargs): Delete declaration.
22766 * config/sparc/sparc.h (current_function_outgoing_args_size,
22767 current_function_calls_alloca, current_function_decl): Delete
22769 * config/spur/spur.h (current_function_pretend_args_size,
22770 current_function_calls_alloca): Delete declarations.
22771 * config/v850/v850.c (current_function_outgoing_args_size): Delete
22773 * config/vax/vms.h (current_function_name): Delete declaration.
22774 * gcse.c: Include "function.h".
22775 (current_function_name, current_function_calls_setjmp): Delete
22777 * haifa-sched.c: Include "function.h".
22778 (forced_labels): Delete declaration.
22779 * jump.c: Likewise.
22780 * reg-stack.c: Likewise.
22781 * reload1.c: Likewise.
22782 * genemit.c (main): Make generated file include function.h.
22783 * genoutput.c (output_prologue): Likewise.
22785 * builtins.c (saveregs_value, apply_args_value): Delete variables.
22786 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
22787 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
22788 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
22789 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
22790 macros for some of them.
22791 (emit_filename, emit_lineno): Delete declarations.
22792 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
22793 regno_pointer_* variables through current_function.
22794 (gen_inline_header_rtx): Delete function.
22795 (save_emit_status): Delete function.
22796 (set_new_last_label_num): New function.
22797 (clear_emit_caches): New function.
22798 (restore_emit_status): Just clear last_labelnum and call
22800 (get_last_insn_anywhere): Variable sequence_stack is now accessed
22801 through macro seq_stack.
22802 (add_insn_after): Likewise.
22803 (add_insn_before): Likewise.
22804 (remove_insn): Likewise.
22805 (pop_topmost_sequence): Likewise.
22806 (in_sequence_p): Likewise.
22807 (start_sequence_for_rtl_expr): Likewise.
22808 (start_sequence): Likewise, and likewise for
22809 sequence_rtl_expr/seq_rtl_expr.
22810 (push_topmost_sequence): Likewise.
22811 (end_sequence): Likewise.
22812 (init_virtual_regs): Now takes a "struct emit_status *" argument.
22813 All callers changed. Store into that pointer instead of globals.
22814 (init_emit): Allocate emit elt of current_function.
22815 Changes for sequence_rtl_expr/sequence_stack renaming.
22816 Call clear_emit_caches instead of doing it in-line.
22817 Access regno_pointer_* variables through current_function.
22818 (init_emit_once) Don't clear sequence_stack.
22820 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
22822 (arg_pointer_save_area): Delete declaration.
22823 (finish_expr_for_function): Renamed from init_queue; no longer static.
22824 (init_expr): Don't call init_queue.
22825 (save_expr_status, restore_expr_status): Delete functions.
22826 (expand_expr): Changes to reflect new layout of struct function.
22827 Don't access current_function_check_memory_usage when current_function
22829 * expr.h (forced_labels, save_expr_regs, saveregs_value,
22830 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
22831 current_function_outgoing_args_size, current_function_arg_offset_rtx,
22832 current_function_uses_const_pool, function_call_count,
22833 current_function_uses_pic_offset_table, nonlocal_labels,
22834 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
22835 current_function_check_memory_usage, nonlocal_goto_handler_slots,
22836 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
22838 (finish_expr_for_function): Declare.
22839 * flags.h (current_function_has_nonlocal_label,
22840 current_function_has_nonlocal_goto, current_function_is_thunk,
22841 current_function_has_computed_jump): Delete declarations.
22842 * flow.c (forced_labels): Delete declaration.
22843 * function.c (current_function_pops_args,
22844 current_function_returns_struct, current_function_returns_pcc_struct,
22845 current_function_needs_context, current_function_calls_setjmp,
22846 current_function_calls_longjmp, current_function_has_nonlocal_label,
22847 current_function_has_nonlocal_goto, current_function_is_thunk,
22848 current_function_has_computed_jump, current_function_calls_alloca,
22849 current_function_contains_functions, current_function_returns_pointer,
22850 current_function_epilogue_delay_list, current_function_args_size,
22851 current_function_pretend_args_size, current_function_arg_offset_rtx,
22852 current_function_outgoing_args_size, current_function_varargs,
22853 current_function_stdarg, current_function_args_info, cleanup_label,
22854 current_function_name, current_function_uses_const_pool,
22855 current_function_instrument_entry_exit, current_function_return_rtx,
22856 current_function_uses_pic_offset_table, nonlocal_labels,
22857 current_function_internal_arg_pointer, current_function_cannot_inline,
22858 current_function_check_memory_usage, function_call_count,
22859 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
22860 nonlocal_goto_stack_level, return_label, save_expr_regs,
22861 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
22862 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
22863 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
22864 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
22865 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
22867 (push_function_context_to): Don't save them. Don't call
22868 save_storage_status, save_emit_status or save_expr_status.
22869 (pop_function_context_from): Don't restore them. Don't call
22870 restore_storage_status or restore_expr_status.
22871 (get_func_frame_size): New function.
22872 (get_frame_size): Use it.
22873 (assign_outer_stack_local): Reflect some member name changes in struct
22875 (put_reg_into_stack): Likewise.
22876 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
22878 (fixup_var_refs): Likewise.
22879 (fix_lexical_addr): Likewise.
22880 (trampoline_address): Likewise.
22881 (prepare_function_start): Clear field inlinable of current_function.
22882 (init_function_for_compilation): New function.
22883 (expand_dummy_function_end): New function.
22884 (expand_function_end): Call finish_expr_for_function.
22885 * function.h (struct emit_status): New; fields moved here from struct
22886 function and from global variables. Add accessor macros for some of
22888 (struct expr_status): Likewise.
22889 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
22890 (struct function): Add fields expr and emit, inlinable, inl_emit,
22891 original_arg_vector, original_decl_initial, inl_last_parm_insn,
22892 inl_max_label_num. Add many comments.
22893 Add accessor macros for all elts of struct function that no longer
22894 have a global variable.
22895 (cleanup_label, return_label, frame_offset, tail_recursion_label,
22896 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
22897 stack_slot_list): Delete declarations.
22898 (get_func_frame_size): Declare.
22899 (save_expr_status, restore_expr_status, save_emit_status,
22900 save_storage_status, restore_storage_status): Delete declarations.
22901 (init_virtual_regs): Declare.
22902 * output.h (current_function_pops_args,
22903 current_function_returns_struct, current_function_returns_pcc_struct,
22904 current_function_needs_context, current_function_calls_setjmp,
22905 current_function_calls_longjmp, current_function_calls_alloca,
22906 current_function_has_nonlocal_label, current_function_varargs,
22907 current_function_has_computed_jump, current_function_returns_pointer,
22908 current_function_contains_functions, current_function_args_size,
22909 current_function_pretend_args_size, current_function_stdarg,
22910 current_function_outgoing_args_size, current_function_args_info,
22911 current_function_name, current_function_return_rtx,
22912 current_function_epilogue_delay_list,
22913 current_function_uses_const_pool, current_function_cannot_inline):
22914 Delete declarations.
22915 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
22916 regno_reg_rtx): Delete declaration.
22917 (REGNO_POINTER_FLAG): Delete macro.
22918 * stmt.c (expand_goto): Changes to reflect that some fields in struct
22919 function were renamed.
22920 * stor-layout.c (save_storage_status, restore_storage_status): Delete
22922 * toplev.c: Include "function.h".
22923 (current_function_decl): Delete declaration.
22924 (compile_file): Call init_dummy_function_start and
22925 expand_dummy_function_end around some initializations that need to
22927 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
22928 Call init_function_for_compilation.
22929 * unroll.c: Include "function.h"
22930 (unroll_loop): Access regno_pointer_* variables through
22933 * tree.h (struct tree_decl): Add elt f to saved_insns member.
22934 (DECL_SAVED_INSNS): use it.
22935 (expand_dummy_function_end): Declare.
22936 (init_function_for_compilation): Declare.
22937 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
22938 that it's no longer an INLINE_HEADER.
22939 (expand_call): Likewise.
22940 * integrate.c (finish_inline): Delete function.
22941 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
22942 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
22943 args. Don't generate an INLINE_HEADER rtx, just return the arg
22944 vector. All callers changed.
22945 (save_for_inline_copying): Create a duplicate struct emit_status to
22946 hold the emit state for compiling the current function. Use this and
22947 the other new fields in struct function that are for integration
22948 instead of an INLINE_HEADER.
22949 Use memcpy instead of bcopy.
22950 Store the current struct function in DECL_SAVED_INSNS of fndecl.
22951 (save_for_inline_nocopy): Similar changes, except no new emit_status
22953 (expand_inline_function): Get information from function structure,
22954 not from an inline header rtx.
22955 (output_inline_function): Lose code to extract the necessary
22956 information from an inline header; simply put back the function
22957 structure into current_function. Clear its inlinable elt.
22958 * rtl.def (INLINE_HEADER): Delete.
22959 * rtl.h: Delete all accessors for an INLINE_HEADER.
22960 (gen_inline_header_rtx): Delete declaration.
22961 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
22962 Delete declarations.
22963 (REGNO_POINTER_ALIGN): Delete.
22964 (clear_emit_caches): Declare.
22965 (set_new_last_label_num): Declare.
22967 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
22969 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
22971 * except.c (expand_eh_region_start_for_decl): Always start a new block.
22972 * stmt.c (is_eh_region): Make sure current_function is present, too.
22974 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
22976 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
22977 for 64bit PA targets.
22979 * pa.h (SELECT_SECTION): Define.
22980 * som.h (SELECT_SECTION): Delete.
22982 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22984 * alias.c (init_alias_analysis): Wrap call to
22985 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
22987 1999-08-07 Bruce Korb <autogen@linuxbox.com>
22989 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
22990 <sys/asm.h> contains an asm comment with an apostrophe
22991 * fixinc/inclhack.sh: regen
22992 * fixinc/fixincl.x: regen
22994 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
22996 * function.c (init_function_start): Clear prologue & epilogue.
22997 (prologue_epilogue_contains): New function.
22998 * alias.c (init_alias_analysis): Use it.
22999 * rtl.h (prologue_epilogue_contains): Declare it.
23001 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23003 * jump.c (onlyjump_p): New function.
23004 * rtl.h: Declare it.
23005 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23006 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23008 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23010 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23011 to invert loops. Simplify block scanning.
23013 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23015 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23016 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23018 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23020 * config/sparc/liteelf.h: New file to support sparclite-elf target
23021 * config/sparc/t-sp86x: New file to support sparc86x targets
23022 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23023 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23024 * configure.in: Support above target triplets
23025 * configure: Regenerated
23027 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23029 * fixinc/server.c (server_setup): Do not prefix function used as
23030 parameter with `&'.
23032 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23034 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23035 Remove fp reg alternatives.
23037 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23039 * Makefiin (TAROUTOPTS): Kill.
23040 (install-headers-tar): Use "xpf" for tar headerfile extraction
23041 * i370/x-oe (TAROUTOPTS): Delete.
23042 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23043 * m68k/x-hp320 (TAROUTOPTS): Delete.
23044 * m68k/x-hp320g (TAROUTOPTS): Delete.
23045 * gcc.texi: Update bug reporting text.
23047 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23049 * reg-stack.c (change_stack) Fixed problem with negative array index.
23051 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23053 * extend.texi, install.texi: Fix spelling mistakes.
23055 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23056 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23057 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23058 PREMADE_ATTRTAB_MD.
23059 * mips/t-ecoff: Likewise.
23060 * mips/t-elf: Likewise.
23061 * mips/t-mips: Likewise.
23062 * mips/t-osfrose: Likewise.
23063 * mips/t-r3900: Likewise.
23064 * mips/t-svr3: Likewise.
23065 * mips/t-svr4: Likewise.
23066 * mips/t-ultrix: Likewise.
23068 * gcc.texi: Document recommend means to provide software floating
23069 point libraries in libgcc.a
23071 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23073 * c-lex.c (yylex): We can have a number with no digits.
23075 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23077 * jump.c (delete_prior_computation): New function, broken
23078 out of delete_computation. Check for side effects with
23079 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23080 multi-word hard registers.
23081 (delete_computation): Use it. Check for side effects with
23082 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23083 missing REG_DEAD note for a register which is both set and
23086 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23088 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23089 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23090 (ASM_FILE_START): Import _mcount with the right type.
23091 (ASM_DECLARE_FUNCTION_NAME): Define.
23092 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23093 * pa.c (output_function_prologue): Always emit the function's label
23095 * pa.h (TEXT_SPACE_P): Define.
23096 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23097 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23098 * som.h (TEXT_SPACE_P): Delete.
23099 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23100 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23102 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23104 * expr.c (emit_group_load): Allow src to be a CONCAT.
23106 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23108 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23109 (___mulsi3): Use '!' comment character.
23111 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23113 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23115 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23117 * gcc.c: Update URLs and mail addresses.
23118 * gcc.texi: Likewise.
23120 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23122 * rs6000.c (current_file_function_operand): Return zero for
23124 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23126 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23129 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23131 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23132 allocate space in the stack frame for the PIC register.
23134 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23136 * m68k.md (xordi3, anddi3): These patterns are not available on
23139 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23141 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23142 (PUT_REAL): Likewise.
23144 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23146 * final.c (shorten_branches): Don't add an alignment for loops
23147 that have no label inside.
23149 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23151 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23152 prototypes in macro HAVE_cmpstrsi.
23154 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23156 * emit-rtl.c (operand_subword): Remove unused variable
23159 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23161 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23163 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23165 * cpphash.c (macroexpand): Delete leading whitespace when arg
23166 is concatenated before.
23167 (unsafe_chars): Correct test for whether + and - can extend a
23170 * cppinit.c (cpp_start_read): Do dependencies for
23171 -include/-imacros files also.
23173 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23174 tokenizing non-directive lines.
23175 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23176 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23179 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23181 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23183 * c-lex.c: Sync with C++ frontend.
23184 (linemode): New variable.
23185 (parse_float): imag, conversion_errno, and type are output only.
23186 (yylex): Adjust. Move initial '.' case into main switch.
23188 (handle_generic_pragma): Just deal with tokens.
23189 (readescape): Use ISXDIGIT and ISGRAPH.
23190 * c-parse.in: Add END_OF_LINE token.
23192 * c-lex.c (lang_init): Generalize.
23193 (nextchar): Remove. Replace uses with UNGETC.
23194 (skip_white_space): Handle linemode here. Optimize for cpplib.
23195 (skip_white_space_on_line): Remove.
23196 (extend_token_buffer_to): New fn.
23197 (extend_token_buffer): Use it.
23198 (read_line_number, check_newline): Just deal with tokens.
23199 (token_getch, token_put_back): New fns.
23200 (yylex): Use them. More cpplib optimizations. Simplify.
23202 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23203 Jason Merrill <jason@yorick.cygnus.com>
23205 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23206 (consume_string): Make this smart about USE_CPPLIB.
23207 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23208 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23209 Also, clean up cases where we redundantly set token_buffer[0].
23210 (read_line_number): New fn.
23211 (ignore_escape_flag): New variable.
23213 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23215 * a29k/t-a29kbare: Fix some comments.
23216 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23217 (FPBIT, DPBIT): Define.
23218 * a29k/t-vx29k: Likewise.
23219 * arc/t-arc: Likewise.
23220 * arm/t-arm-elf: Likewise.
23221 * arm/t-bare: Likewise.
23222 * arm/t-pe: Likewise.
23223 * arm/t-pe-thumb: Likewise.
23224 * arm/t-semi: Likewise.
23225 * arm/t-thumb: Likewise.
23226 * arm/t-thumb-elf: Likewise.
23227 * arm/t-thumb-linux: Likewise.
23228 * h8300/t-h8300: Likewise.
23229 * i960/t-i960: Likewise.
23230 * i960/t-vxworks960: Likewise.
23231 * m32r/t-m32r: Likewise.
23232 * mips/t-ecoff: Likewise.
23233 * mips/t-elf: Likewise.
23234 * mips/t-r3900: Likewise.
23235 * pa/t-pro: Likewise.
23236 * rs6000/t-aix43: Likewise.
23237 * rs6000/t-beos: Likewise.
23238 * rs6000/t-newas: Likewise.
23239 * rs6000/t-ppccomm: Likewise.
23240 * rs6000/t-rs6000: Likewise.
23241 * rs6000/t-winnt: Likewise.
23242 * rs6000/t-xnewas: Likewise.
23243 * rs6000/t-xrs6000: Likewise.
23244 * sh/t-sh: Likewise.
23245 * sparc/t-elf: Likewise.
23246 * sparc/t-sparcbare: Likewise.
23247 * sparc/t-sparclite: Likewise.
23248 * sparc/t-splet: Likewise.
23249 * v850/t-v850: Likewise.
23250 * mn10200/t-mn10200: Fix comments.
23251 * mn10300/t-mn10300: Likewise.
23253 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23254 dummy operand. Allocate a new pseudo for the dummy operand.
23255 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23257 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23259 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23261 * configure: Rebuilt.
23262 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23264 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23266 * recog.c (preproces_constraints): Zero recog_op_alt before
23267 processing the constraints.
23269 * arm.c (typedef minipool_node): Renamed from pool_node.
23270 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23271 (add_minipool_constant): New function.
23272 (dump_minipool): New function.
23273 (find_barrier): Remove special case for getting the insn size of
23274 an insn that references the constant pool.
23275 (minipool_fixup): New structure.
23276 (push_minipool_barrier): New function.
23277 (push_minipool_fix): New function.
23278 (note_invalid_constants): New function.
23279 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23280 (arm_reorg): Rewrite code to fix up the constant pool into a
23281 series of mini-pools embedded in the insn stream.
23282 (arm_output_epilogue): New function, made mainly from the body
23283 of output_func_epilogue.
23284 (output_func_epilogue): Move insn generation part of epilogue code
23285 to arm_output_epilogue.
23286 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23287 * arm.md (pool_range): New attribute.
23288 (zero_extendqidi2): Add attribute pool_range.
23289 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23290 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23291 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23292 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23293 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23294 (epilogue): New expand.
23295 (epilogue_insn): New insn. Call arm_output_epilogue.
23297 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23298 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23300 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23302 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23304 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23306 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23308 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23310 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23312 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23314 * global.c: Fix comment.
23316 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23318 * gcc.c (access_check): New static function.
23319 (find_a_file): Use it when searching a directory list.
23320 * collect2.c (find_a_file): Don't accept directories found when
23321 searching a directory list.
23323 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23325 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23326 function parameters with `&'.
23327 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23329 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23331 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23332 or tidy_fallthru_edge if the last insn in the block is not
23333 an unconditional jump or a simple conditional jump.
23335 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23337 * Makefile.in (c-decl.o): Depends on defaults.h.
23339 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23341 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23343 (CLASS_MAX_NREGS): Likewise.
23345 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23347 * cse.c (cse_insn): Fix dumb thinko in last change.
23349 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23351 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23354 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23356 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23357 test for sizes of passed and declared parameter types.
23359 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23361 * fixincludes: Fix the return type of bsearch, char* -> void*.
23363 * fixinc/inclhack.def: Likewise.
23365 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23367 * invoke.texi (-fdump-translation-unit): New option.
23369 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23371 * expr.h (PROMOTE_PROTOTYPES): Move ...
23372 * defaults.h: ... to here.
23373 * c-decl.c: Include defaults.h instead of expr.h.
23374 * c-typeck.c: Include defaults.h.
23376 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23378 * toplev.h (errorcount): Declare.
23379 (warningcount): Likewise.
23380 (sorrycount): Likewise.
23381 * c-lex.c (errorcount): Don't declare.
23382 * dwarf2out.c (errorcount): Don't declare.
23384 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23386 * config/libgloss.h: Add a note discouraging use with ELF.
23387 * configure.in: Don't use libgloss.h for ELF targets.
23388 Always use_collect2 on a.out targets.
23390 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23392 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23393 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23395 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23397 * loop.c (strength_reduce): When doing biv->giv conversion, update
23398 reg note of NEXT->insn.
23400 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23402 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23404 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23406 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23407 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23408 Ensure expr.h is included.
23409 * c-typecheck.c (convert_arguments): Ditto.
23411 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23413 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23414 * config/convex/convex.h: Ditto.
23415 * config/dsp16xx/dsp16xx.h: Ditto.
23416 * config/fx80/fx80.h: Ditto.
23417 * config/gmicro/gmicro.h: Ditto.
23418 * config/i370/i370.h: Ditto.
23419 * config/i386/i386.h: Ditto.
23420 * config/m32r/m32r.h: Ditto.
23421 * config/m68k/m68k.h: Ditto.
23422 * config/m88k/m88k.h: Ditto.
23423 * config/mips/mips.h: Ditto.
23424 * config/pa/pa.h: Ditto.
23425 * config/pyr/pyr.h: Ditto.
23426 * config/tahoe/tahoe.h: Ditto.
23427 * config/we32k/we32k.h: Ditto.
23429 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23430 based on arch size.
23432 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23434 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23437 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23439 1999-08-02 Richard Henderson <rth@cygnus.com>
23441 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23442 for the register spill block.
23443 (m32r_va_arg): New.
23444 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23445 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23447 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23448 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23449 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23451 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23453 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23454 MAX_WCHAR_TYPE defined in sparc.h.
23455 * config/sparc/linuxaout.h: Likewise.
23456 * config/sparc/linux64.h: Likewise.
23457 Also default to -mvis if CPU is UltraSPARC.
23459 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23461 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23462 (RTX_OK_FOR_OLO10): Likewise.
23463 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23464 %lo(), allow it in addresses...
23465 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23466 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23467 does not make sense.
23468 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23469 (sparc_output_scratch_registers): New function.
23470 (output_function_prologue, sparc_flat_output_function_prologue): Use
23472 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23474 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23475 * configure.in: Add check for .register pseudo-op support in as and
23476 check for offsetable %lo().
23477 * acconfig.h: Add templates for the above checks.
23478 * configure: Regenerate.
23480 1999-08-02 Richard Henderson <rth@cygnus.com>
23482 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23483 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23484 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23486 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23488 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23491 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23493 * config/float-sparc.h: New file.
23494 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23495 sparc-*-linux-gnu and sparc64-*-linux*.
23497 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23499 * rs6000.c (rs6000_va_list): Type is an array.
23500 (rs6000_va_start): Don't doubly adjust for varargs.
23501 (rs6000_va_arg): Evaluate long long GPR adjustment.
23503 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23505 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23506 -maix64 and -maix32.
23507 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23508 LINK_SPEC): Change appropriately.
23509 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23510 (u_short_cint_operand): Likewise.
23511 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23513 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23515 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23517 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23519 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23520 for type promotion.
23521 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23522 (non_add_cint_operand): Likewise.
23523 (logical_operand): Likewise.
23524 (non_logical_cint_operand): Likewise.
23525 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23526 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23527 (rs6000_select_rtx_section): Suppress warning.
23528 (small_data_operand): Suppress warning.
23529 (rs6000_got_register): Suppress warning.
23530 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23531 type, so `J' is generally the wrong constraint for a SImode value;
23533 (andsi3_internal2): Likewise.
23534 (andsi3_internal3): Likewise.
23535 (iorsi3_internal1): Likewise.
23536 (xorsi3_internal1): Likewise.
23538 (movsf_softfloat): Likewise.
23539 (scc insns): Likewise.
23540 (movsi+2): Preserve sign bits of SImode constant.
23541 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23542 (movdf+1): Sign-extend properly.
23543 (movdi_32+1): Sign-extend properly.
23544 (scc insns): Sign-extend properly.
23546 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23549 1999-08-02 Richard Henderson <rth@cygnus.com>
23551 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23552 -mcpu parsing code.
23553 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23554 * alpha.md (all fp insns): Likewise.
23556 1999-08-02 Nick Clifton <nickc@cygnus.com>
23558 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23561 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23563 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23564 pic_load_label generator directly.
23565 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23566 No longer a named pattern.
23568 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23570 * explow.c (force_reg): Call force_operand if X does not
23571 satisfy general_operand.
23573 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23575 * fix-header.c (main): When testing for CONTINUED, use string
23576 equality, not pointer equality.
23578 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23580 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23582 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23584 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23585 that has become an unconditional jump.
23587 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
23588 (output_function_epilogue): Similarly.
23590 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23592 * tree.h (init_dummy_function_start): Declare.
23594 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23596 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
23597 last_expr_type, last_expr_value, block_start_count, block_stack,
23598 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
23599 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
23600 dynamically in stmt elt of struct function for each function.
23601 (struct nesting): Rename function_call_count elt to n_function_calls,
23602 target_temp_slot_level to block_target_temp_slot_level. All users
23604 (struct stmt_status): New structure definition.
23605 Add many accessor macros for stmt_status elements which previously
23606 were global variables.
23607 (init_stmt_for_function): Allocate stmt elt for current_function.
23608 Reflect that block_start_count was renamed to
23609 current_block_start_count.
23610 (save_stmt_status, restore_stmt_status): Delete functions.
23611 (preserve_subexpressions_p): Don't access loop_stack when outside
23613 (expand_start_bindings): Reflect that block_start_count was renamed to
23614 current_block_start_count.
23615 (expand_fixup): Likewise.
23616 (expand_decl): Don't access block_stack when outside a function.
23617 (expand_decl_cleanup): Likewise.
23618 (expand_dcc_cleanup): Likewise.
23619 (expand_dhc_cleanup): Likewise.
23620 (expand_anon_union_decl): Likewise.
23621 (set_file_and_line_for_stmt): New function.
23622 (in_control_zone_p): New function.
23624 * function.h (struct function): Add new elt stmt.
23625 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
23626 case_stack, nesting_stack, nesting_depth, block_start_count,
23627 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
23628 emit_lineno, goto_fixup_chain.
23629 (save_eh_status, restore_eh_status, save_stmt_status,
23630 restore_stmt_status): Delete declarations.
23631 * function.c (push_function_context_to): Don't call save_stmt_status.
23632 (pop_function_context_to): Don't call restore_stmt_status.
23633 * tree.h (in_control_zone_p): Declare.
23634 * rtl.h (set_file_and_line_for_stmt): Declare.
23636 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
23637 call set_file_and_line_for_stmt.
23639 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
23641 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
23642 Also update copyright.
23644 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23646 * c-pragma.c: Don't include "except.h".
23647 * emit-rtl.c: Likewise.
23648 * stor-layout.c: Likewise.
23649 * tree.c: Likewise.
23650 * varasm.c: Likewise.
23652 * flow.c: Include "function.h".
23653 * tree.h (init_dummy_function_start): Declare new function.
23655 * except.h (struct eh_status): New structure.
23656 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
23658 (eh_return_stub_label, ehstack, catchstack, ehqueue,
23659 catch_clauses, false_label_stack, caught_return_label_stack,
23660 protect_list, current_function_ehc): Add accessor macros for the
23661 corresponding fields in current_function->eh; delete declarations
23662 for all items that used to be declared here.
23663 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
23664 catch_clauses, false_label_stack, caught_return_label_stack,
23665 protect_list, current_function_ehc): Delete variables.
23666 (init_eh_for_function): Allocate current_function->eh.
23667 (save_eh_status, restore_eh_status): Delete functions.
23669 * function.h (struct function): Add fields next_global and eh.
23670 Delete all exception handling related fields.
23671 * function.c (current_function): New variable.
23672 (all_functions): New variable.
23673 (push_function_context_to): Don't allocate a struct function,
23674 use current_function instead. Call init_dummy_function_start when
23675 outside a function. Clear current_function before returning.
23676 (pop_function_context_from): Restore current_function.
23677 Don't free the restored struct function.
23678 (prepare_function_start): New function.
23679 (init_dummy_function_start): New function.
23680 (init_function_start): Break out some code into prepare_function_start
23683 * stmt.c (save_stmt_status): Don't call save_eh_status.
23684 (restore_stmt_status): Don't call restore_eh_status.
23686 * Makefile.in: Update dependencies.
23688 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
23690 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
23691 of depending on a magic constant value. Update comments.
23692 (hppa_expand_prologue): Similarly.
23694 * pa.md (reload_indi, reload_outdi): Allow any register for the
23695 original reload register.
23697 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
23699 * cccp.c (print_help): Change marcos to macros.
23701 1999-07-30 Richard Henderson <rth@cygnus.com>
23703 * c-typeck.c (initializer_constant_valid_p): Move ...
23704 * c-common.c (initializer_constant_valid_p): ... here. Use
23705 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
23706 of label addresses.
23707 * c-common.h (initializer_constant_valid_p): Declare.
23708 * c-tree.h (initializer_constant_valid_p): Remove.
23710 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
23712 * config/i386/sol2-c1.asm: Align the stack.
23713 * config/i386/sol2-gc1.asm: Likewise.
23715 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
23717 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
23718 -Asparclite for sparc86x.
23719 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
23721 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
23723 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
23725 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
23726 the user if using the non-default arch size in BI_ARCH configuration.
23727 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
23729 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
23730 Fix patterns so that they actually match.
23731 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
23732 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
23733 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
23735 (mulsidi3): Reflect this in the expand.
23736 (smulsi3_highpart): Only on TARGET_ARCH32.
23737 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
23738 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
23739 (umulsidi3): Reflect this in the expand.
23740 (umulsi3_highpart): Only on TARGET_ARCH32.
23741 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
23742 don't require g0 to be zero.
23743 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
23744 ({,u}divsi3): New expands.
23745 ({,u}divsi3_sp64): New patterns.
23746 (after lshrdi3_v8plus): Four new patterns to help combiner
23747 optimizing nested mixed mode shifts.
23749 * config/sparc/sparc.c (sparc_override_options): Use deprecated
23750 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
23751 speed things up. Don't use them by default on plain v9 in 64bit
23752 mode, according to what SPAMv9 sais.
23754 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
23755 top 32 bits of %[og][0-7] in signal handlers.
23756 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
23758 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
23760 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
23761 (ashlsi3): Corresponding changes.
23763 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
23765 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
23767 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
23769 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23771 * arm.h (Hint): Delete macro.
23772 Substitute HOST_WIDE_INT for Hint in some prototypes.
23773 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
23775 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
23777 * builtins.c (expand_builtin_setjmp): Use force_operand to
23778 make sure that the buffer address is in a suitable form to be
23779 passed to force_reg.
23781 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
23783 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
23786 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
23788 * pa.md (indirect_jump): Remove mode from match_operand. Verify
23789 proper mode in the condition string.
23790 (icacheflush, dcacheflush): Remove modes from match_operands.
23792 * pa.c (emit_move_sequence): Always convert scratch_reg to the
23793 proper mode before using it.
23795 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
23798 * pa.c (store_reg): Do not call add_high_const generator directly.
23799 (load_reg, set_reg_plus_d): Likewise.
23800 * pa.md (add_high_const): No longer a named pattern.
23802 * pa.c (legitimize_address): Consistently use Pmode rather than
23803 SImode. Do not call gen_pic2_highpart directly anymore.
23804 * pa.md (pic2_highpart): No longer a named pattern.
23805 (pic2_lo_sum): Similarly. Reformat to make more readable.
23807 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
23812 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23814 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
23816 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
23818 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
23819 and tag the spill mems.
23820 (hppa_va_start): New.
23821 (hppa_va_arg): New.
23822 * pa.h (EXPAND_BUILTIN_VA_START): New.
23823 (EXPAND_BUILTIN_VA_ARG): New.
23825 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
23827 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
23828 and tag the spill mems.
23829 (mn10300_va_start): New.
23830 (mn10300_va_arg): New.
23831 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
23832 (EXPAND_BUILTIN_VA_ARG): New.
23834 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
23836 * mn10200.c (mn10200_va_arg): New.
23837 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
23839 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
23841 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
23842 rather than play with TREE_INT_CST_LOW.
23844 1999-07-27 Philip Blundell <pb@nexus.co.uk>
23846 * config/arm/telf.h: Include dbxelf.h.
23847 (CPP_PREDEFINES): Only define if not already defined.
23848 (ASM_IDENTIFY_GCC): Likewise.
23849 (SUBTARGET_EXTRA_SECTIONS): Likewise.
23850 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
23851 * config/arm/thumb.h (LINK_SPEC): Only define if not already
23853 (DBX_DEBUGGING_INFO): Don't define.
23854 * config/arm/linux-telf.h: New file.
23855 * config/arm/linux-tgas.h: New file.
23856 * config/arm/t-thumb-linux: New file.
23857 * config/arm/uclinux-elf.h: New file.
23858 * config/arm/uclinux-telf.h: New file.
23859 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
23860 thumb-*-uclinux): New targets.
23861 * configure: Regenerate.
23863 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
23865 * pa.md (post_store, pre_load): New expanders.
23866 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
23867 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
23868 need to directly generate RTL for them.
23869 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
23872 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
23874 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
23875 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
23876 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
23877 (secndary_reload_class): Make TARGET_ELF conditional compile.
23878 (print_operand_address): Similar.
23879 (output_toc): Print all values as hex.
23880 (get_issue_rate): Rearrange and add RS64A and PPC630.
23881 * rs6000.h (processor_type): Add RS64A and PPC630.
23882 (PROCESSOR_POWERPC64): New.
23883 (PROMOTE_MODE): Use word_mode.
23884 (RTX_COSTS): Add RS64A and PPC630.
23885 * rs6000.md (scheduling information): Add lmul and ldiv
23886 representing 64-bit integer multiply and divide. Add rs64a and
23887 PPC630 information.
23888 (ashldi3): Add support for "rldic" instruction.
23889 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
23891 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
23893 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
23894 instead of V8 for sparclite86x in cpu_table.
23896 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23898 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
23899 output_file_directive.
23901 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
23903 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
23904 tree for op1, not the rtl.
23906 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
23908 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
23909 to m88k_va_start, leaving only the register spill.
23910 (m88k_build_va_list): New.
23911 (m88k_va_start): New.
23912 (m88k_va_arg): New.
23913 * m88k.h (BUILD_VA_LIST_TYPE): New.
23914 (EXPAND_BUILTIN_VA_START): New.
23915 (EXPAND_BUILTIN_VA_ARG): New.
23917 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
23919 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
23920 Rename from expand_builtin_saveregs.
23921 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
23923 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
23925 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
23926 for the register spill block.
23927 (i960_build_va_list): New.
23928 (i960_va_start): New.
23929 (i960_va_arg): New.
23930 * i960.h (BUILD_VA_LIST_TYPE): New.
23931 (EXPAND_BUILTIN_VA_START): New.
23932 (EXPAND_BUILTIN_VA_ARG): New.
23933 * i960.md (store_multiple): Use change_address on individul mems.
23935 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
23937 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
23939 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
23940 (expand_builtin_va_end): Evaluate arg for side effects.
23941 * c-common.c (c_common_nodes_and_builtins): Construct a
23942 va_list_arg_type_node to handle array decomposition to pointer.
23944 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
23946 * except.c (st_dynamic_cleanup): Use force_operand on the
23949 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
23951 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
23952 * c4x.c (c4x_va_arg): New.
23954 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
23956 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
23957 has manual_pop set.
23959 1999-07-26 Nathan Sidwell <nathan@acm.org>
23961 * eh-common.h (__eh_matcher): Prototype correctly.
23963 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
23965 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
23966 (TARGET_SINGLE_PIC_BASE): Likewise.
23967 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
23969 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
23970 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
23971 (TARGET_OPTIONS): Add -mpic-register=N.
23972 (OUTPUT_INT_ADDR_CONST): New macro.
23973 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
23974 LEGITIMATE_PIC_OPERAND_P): Likewise.
23975 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
23976 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
23977 output_addr_const directly.
23978 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
23980 (thumb_pic_register, thumb_pic_register_string): Declare.
23982 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
23984 (label_mentioned_p): New function: Imported from arm.c.
23985 (legitimize_pic_address): New function: Imported from arm.c.
23986 (is_pic):New function: Imported from arm.c.
23987 (thumb_finalize_pic):New function: Imported from arm.c.
23988 (add_constant): Cope with PIC constants.
23989 (fixit): Cope with PIC constants.
23990 (output_return): Do not treat the PIC register as live if
23991 TARGET_SINGLE_PIC_BASE is true.
23992 (thumb_function_prologue): Do not treat the PIC register as live if
23993 TARGET_SINGLE_PIC_BASE is true.
23994 (thumb_expand_prologue): Do not treat the PIC register as live if
23995 TARGET_SINGLE_PIC_BASE is true.
23996 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
23997 TARGET_SINGLE_PIC_BASE is true.
23998 (thumb_print_operand): Accept '|'.
23999 (thumb_override_options): Process PIC options.
24001 * config/arm/thumb.md (movsi): Support PIC.
24002 (call_insn): Change "i" constraint to "X".
24003 (call_value_insn): Likewise.
24004 (consttable_4, consttable_8, consttable_end): Set and clear
24005 "making_const_table" as appropriate.
24006 (pic_load_addr, pic_add_dot_plus_four): New insns.
24008 * invoke.texi (Thumb Options): Fix spelling. Document new
24009 options -msingle-pic-base and -mpic-register=.
24011 1999-07-26 Andrew Haley <aph@cygnus.com>
24013 * config/m32r/initfini.c (__init): Use a full word immediate for
24014 __fini: this allows it to be placed in any memory region.
24016 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24017 -mmodel=medium. This is OK for all memory models.
24019 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24021 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24022 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24024 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24026 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24029 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24031 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24033 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24034 (BUILD_VA_LIST_TYPE): New.
24035 (EXPAND_BUILTIN_VA_START): New.
24036 (EXPAND_BUILTIN_VA_ARG): New.
24037 * i860.c (output_delayed_branch): Disable.
24038 (output_delay_insn): Likewise.
24039 (i860_saveregs): New.
24040 (i860_build_va_list): New.
24041 (i860_va_start): New.
24042 (i860_va_arg): New.
24043 * i860.md: Disable all peepholes using output_delayed_branch.
24044 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24046 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24048 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24049 (BUILD_VA_LIST_TYPE): New.
24050 (EXPAND_BUILTIN_VA_START): New.
24051 (EXPAND_BUILTIN_VA_ARG): New.
24052 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24053 Return the address of the save area.
24054 (clipper_build_va_list): New.
24055 (clipper_va_start): New.
24056 (clipper_va_arg): New.
24058 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24060 * arc.h (EXPAND_BUILTIN_VA_START): New.
24061 (EXPAND_BUILTIN_VA_ARG): New.
24062 * arc.c (arc_setup_incoming_varargs): Set alias set of
24064 (arc_va_start): New.
24067 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24069 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24070 (BUILD_VA_LIST_TYPE): New.
24071 (EXPAND_BUILTIN_VA_START): New.
24072 (EXPAND_BUILTIN_VA_ARG): New.
24073 * alpha.c (alpha_builtin_saveregs): Delete.
24074 (alpha_build_va_list): New.
24075 (alpha_va_start): New.
24076 (alpha_va_arg): New.
24078 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24080 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24082 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24083 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24085 * gcc.texi: More changes related to list conversion.
24086 * invoke.texi: Likewise.
24088 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24090 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24091 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24092 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24093 (stabilize_va_list): New function.
24094 (std_expand_builtin_va_start): New function.
24095 (expand_builtin_va_start): New function.
24096 (get_varargs_alias_set): New function.
24097 (std_expand_builtin_va_arg): New function.
24098 (expand_builtin_va_arg): New function.
24099 (expand_builtin_va_end): New function.
24100 (expand_builtin_va_copy): New function.
24101 (expand_builtin): Call them.
24102 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24103 __builtin_{varargs_start,stdarg_start,end,copy}.
24104 (build_va_arg): New function.
24105 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24106 (build_va_arg): Declare.
24107 * c-decl.c (ptr_type_node, va_list_type_node): New.
24108 * c-parse.gperf (__builtin_va_arg): New.
24109 * c-parse.in (VA_ARG): New token.
24110 (unary_expr): Recognize it.
24111 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24112 * expr.h (std_expand_builtin_va_start): Declare.
24113 (std_expand_builtin_va_arg): Declare.
24114 (expand_builtin_va_arg): Declare.
24115 (get_varargs_alias_set): Declare.
24116 * tree.def (VA_ARG_EXPR): New.
24117 * tree.h (BUILT_IN_VARARGS_START): New.
24118 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24119 (ptr_type_node, va_list_type_node): Declare.
24120 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24121 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24122 * m88k.h, m88k.c: Likewise.
24123 * mn10300.h, mn10300.c: Likewise.
24124 * pa.h, pa.c: Likewise.
24125 * rs6000.h, rs6000.c: Likewise.
24126 * sh.h, sh.c: Likewise.
24127 * sparc.h, sparc.c: Likewise.
24129 * emit-rtl.c (operand_subword): Copy alias set.
24130 (change_address): Likewise.
24132 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24134 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24135 not just the first one.
24137 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24139 * config/arm/arm.h (TARGET_SWITCHES): Add
24140 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24141 (TARGET_OPTIONS): Add -mpic-register=.
24142 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24143 (arm_pic_register_string): Declare.
24144 (NEED_PLT_GOT): Delete, replace with ...
24145 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24146 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24147 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24148 * config/arm/arm.c (arm_override_options): Add new option
24150 (arm_pic_register_string): New variable.
24151 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24152 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24153 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24154 (output_return_instruction): Likewise.
24155 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24156 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24157 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24159 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24160 mention of -msched-prolog. Document new options -msingle-pic-base
24161 and -mpic-register=.
24163 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24165 * haifa-sched.c (reemit_notes): Tidy.
24166 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24169 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24171 * explow.c (trunc_int_for_mode): New function.
24172 (plus_constant_wide): Use it.
24173 * combine.c (simplify_and_const_int): Likewise.
24174 (merge_outer_ops): Likewise.
24175 (simplify_shift_const): Likewise.
24176 * cse.c (simplify_unary_operation): Likewise.
24177 (simplify_binary_operation): Likewise.
24178 * emit-rtl.c (operand_subword): Likewise.
24179 * rtl.h: Declare it.
24181 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24183 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24184 (use NUM_REGS instead of NUM_INTS).
24186 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24188 * builtins.c: New file.
24189 * expr.c (saveregs_value, apply_args_value): Delete definition,
24190 moved into builtins.c.
24191 (string_constant): No longer static.
24192 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24193 apply_args_size, apply_result_size, result_vector,
24194 expand_builtin_apply_args, expand_builtin_apply,
24195 expand_builtin_return): Delete functions, moved into builtins.c.
24196 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24197 * expr.h (saveregs_value, apply_args_value): Declare variables.
24198 (expand_builtin, string_constant): Declare functions.
24199 * Makefile.in: Update to build builtin.o.
24201 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24203 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24204 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24205 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24206 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24208 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24211 1999-07-21 Michael Meissner <meissner@cygnus.com>
24213 * print-rtl.c (print_rtx): Print the names of the virtual
24216 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24218 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24219 introduced in previous delta.
24221 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24223 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24224 to avoid name clash.
24226 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24228 * c-lex.c (yylex) : Correct the test for overflow when lexing
24231 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24233 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24234 (adjust_priority): Always call ADJUST_PRIORITY.
24235 (schedule_insn): Only put insns into the ready at cost 0.
24236 (schedule_block): Remove redundant initial sort. Give clock_var
24237 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24239 * tm.texi (MD_SCHED_REORDER): Update docs.
24241 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24242 * sparc.c (ultra_reorder_called_this_block): Delete.
24243 (ultrasparc_sched_init): Don't set it.
24244 (ultrasparc_sched_reorder): Don't check it.
24246 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24248 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24249 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24250 (function_arg_boundary): Align DFmode.
24251 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24252 to get fp reg and stack overflow correct.
24253 (function_arg): Likewise.
24254 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24255 (setup_incoming_varargs): Restructure for ABI_V4; use
24256 function_arg_advance to skip final named argument.
24257 (expand_builtin_saveregs): Properly unskip the last integer arg
24258 when doing varargs. Adjust overflow location calculation.
24260 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24261 explicitly unsigned.
24262 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24263 (__VA_GP_REGSAVE): Similarly.
24264 (__va_longlong_p): Delete.
24265 (__va_arg_type_violation): New declaration.
24266 (va_arg): Restructure. Flag promotion errors. Align double.
24267 TFmode passed by reference.
24269 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24270 in the HOST_BITS_PER_WIDE_INT > 32 case.
24272 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24274 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24276 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24278 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24279 * toplev.c (documented_lang_options): Add -fpreprocessed.
24280 * cpplib.h (struct cpp_buffer): Add preprocessed.
24281 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24282 (cpp_start_read): Don't expand macros or emit an initial #line
24283 directive if -fpreprocessed.
24285 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24287 * cpplib.h (struct cpp_buffer): Added manual_pop for
24288 better C++ tokenization.
24289 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24290 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24291 * c-common.c (cpp_token): Make non-static.
24293 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24295 * c-common.h: New file.
24296 * c-common.c (permanent_obstack): Delete unused declaration.
24297 (c_global_trees): New array.
24298 (c_common_nodes_and_builtins): New function; split off common code
24299 from init_decl_processing in both c-decl.c and cp/decl.c.
24300 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24301 c_global_trees and accessor macros defined in c-common.h.
24302 Include c-common.h.
24303 * c-decl.c: Delete definitions for tree nodes that were replaced by
24305 (init_decl_processing): Build void_list_node.
24306 Call c_common_nodes_and_builtins; delete code to generate the common
24308 * objc/objc-act.c (build_module_descriptor): Rename variable
24309 void_list_node to avoid clash with c-common.h.
24311 * Makefile.in: Update dependencies.
24312 * objc/Make-lang.in: Likewise.
24314 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24316 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24317 (UNIQUE_SECTION_P): Likewise.
24318 (UNIQUE_SECTION): Likewise.
24320 1999-07-19 Linas Vepstas <linas@linas.org>
24322 * config/i370/README: New file.
24323 * config/i370/linux.h: New file.
24324 * config/i370/mvs.h: New file.
24325 * config/i370/oe.h: New file.
24326 * config/i370/t-linux: New file.
24327 * config/i370/t-mvs: New file.
24328 * config/i370/t-oe: New file.
24329 * config/i370/x-oe: New file.
24330 * config/i370/xm-linux.h: New file.
24331 * config/i370/xm-mvs.h: New file.
24332 * config/i370/xm-oe.h: New file.
24334 * i370.c (label_node_t): Add first_ref_page, label_addr,
24335 label_first_ref, label_last_ref members.
24336 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24337 (MAX_MVS_LABEL_SIZE): Define.
24338 (MAX_LONG_LABEL_SIZE): Define.
24339 (alias_node_t, alias_anchor, alias_number): New.
24340 (mvs_function_table): Reorder for EBCDIC.
24341 (ascebc, ebcasc): Unconditionally define.
24342 (i370_branch_dest, i370_branch_length): New functions.
24343 (i370_short_branch, i370_label_scan): New functions.
24344 (mvs_get_label): Renamed from mvs_add_label. Search for
24345 an existing label before creating a new one.
24346 (mvs_add_label): New function.
24347 (mvs_get_label_page): New function.
24348 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24349 over the entire list.
24350 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24351 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24352 (mvs_add_alias, mvs_need_alias): New functions.
24353 (mvs_get_alias, mvs_check_alias): New functions.
24354 (handle_pragma): New function.
24355 (mvs_function_check): New function.
24356 (unsigned_jump_follows_p): Search harder.
24357 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24358 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24359 * i370.h (TARGET_VERSION): Delete.
24360 (CPP_SPEC, CPP_PREDEFINES): Delete.
24361 (mvs_label_emitted): Delete.
24362 (TARGET_EBCDIC): Delete.
24363 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24364 (HANDLE_PRAGMA): Define.
24365 (HARD_REGNO_NREGS): Handle complex modes.
24366 (HARD_REGNO_MODE_OK): Likewise.
24367 (CLASS_MAX_NREGS): Likewise.
24368 (RET_REG): Likewise.
24369 (EXTRA_CONSTRAINT): Define.
24370 (RETURN_IN_MEMORY): True for DImode.
24371 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24372 (FUNCTION_PROFILER): Delete.
24373 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24374 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24375 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24376 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24377 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24378 (ASM_FILE_START): Add "RMODE ANY".
24379 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24380 (ASM_GLOBALIZE_LABEL): Likewise.
24381 (ASM_OUTPUT_LABELREF): Likewise.
24382 (ASM_OUTPUT_COMMON): Likewise.
24383 (PRINT_OPERAND): Handle 'K', 'W', default.
24384 (PRINT_OPERAND_ADDRESS): New.
24385 (Lots of defines): Add support for TARGET_ELF_ABI.
24386 * i370.md (attr length): New. Define for all patterns.
24387 (*): Lots of tweeks to assembly output and constraints.
24389 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24391 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24392 Disable patterns performing SImode comparisons with SImode values
24393 if TARGET_POWERPC64 and instruction does not sign-extend or does
24394 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24395 differ for signed quantities.
24396 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24397 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24398 (decrement_and_branch_on_count): Add 64-bit variant.
24400 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24402 * final.c (output_asm_insn): When searching for the matching string
24403 for a given dialect, don't run past the end of the list of
24404 alternatives if there are fewer alternatives in the template than
24407 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24409 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24410 Removed paragraph about compression of files and size limitation,
24411 duplicated in the FAQ. Use gcc-patches for posting patches.
24412 * gcc.c (main): Updated URL with bug reporting instructions to
24413 gcc.gnu.org. Removed e-mail address.
24414 * system.h (abort): Likewise.
24416 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24418 * Makefile.in (stmp-multilib-sub): Make the files extracted
24419 from $(LIBGCC1) writable.
24421 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24423 * config/arm/aout.h: Reformat for improved readability.
24425 * config/arm/arm.h: Reformat for improved readability.
24426 Replace uses of fprintf with asm_fprintf where appropriate.
24427 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24428 function declaration assembler actions.
24429 (NUM_INTS): New macro: Convert from bytes to words.
24430 (NUM_REGS): New macro: Compute number of registers required to
24431 hold a quanitity of tyep MODE.
24432 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24434 (NUM_ARG_REGS): New macro: The number of argument registers
24436 (ARG_REGISTER): New macro: Compute the register number of the Nth
24438 (LAST_ARG_REGNUM): New macro: The number of the last argument
24440 (SP_REGNUM): New macro: Register number of the stack pointer.
24441 (FP_REGNUM): New macro: Register number of the frame pointer.
24442 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24443 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24444 CUMULATIVE_ARGS so that it counts registers not bytes.
24446 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24448 Replace uses of fprintf with asm_fprintf where appropriate.
24449 (output_ascii_pseudo_op): Replace with version from thumb.c
24451 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24453 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24454 SUBTARGET_CPP_SPEC.
24455 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24456 (ASM_FILE_START): Emit ASM_APP_OFF.
24458 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24460 * pa.c (compute_frame_size): Round frame according to
24461 STACK_BOUNDARY rather than a hardwired value.
24463 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24465 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24467 * configure: Rebuilt.
24469 * configure.in (hppa*-*-linux*): New configuration.
24470 * configure: Rebuilt.
24471 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24472 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24473 * pa/pa-linux.h: New file.
24474 * pa/t-linux: New file.
24475 * pa/xm-linux.h: New file.
24477 * pa.c (hppa_legitimize_address): Change references from SImode to
24478 either Pmode or word_mode as appropriate.
24479 (emit_move_sequence, store_reg, load_reg): Likewise.
24480 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24481 (output_mul_insn): Likewise.
24482 * pa.h (PROMOTE_MODE): Likewise.
24483 (INITIALZE_TRAMPOLINE): Likewise.
24484 (Pmode): Define to word_mode.
24486 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24487 value of 4. Allocate 8 bytes for each FP register save.
24488 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24490 (hppa_expand_prologue): Likewise.
24491 * pa.h (PROMOTE_MODE): Likewise.
24492 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24493 (FUNCTION_ARG_BOUNDARY): Likewise.
24495 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24497 * pa.c (out_of_line_prologue_epilogue): Delete.
24498 (override_options): Remove -mspace related code.
24499 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24500 (compute_frame_size): Only allocate space for register that
24501 actually need to be saved.
24502 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24503 (TARGET_SWITCHES): Remove -mspace, -mno-space
24504 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24505 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24506 * pa/ee.asm, pa/ee_fp.asm: Delete.
24508 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24510 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24511 directive in column zero.
24513 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24515 * m68k.c (output_function_prologue): Fix computation of save mask
24516 when generating PIC code.
24518 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24520 * tree.c (build_type_attribute_variant): Move current_obstack restore
24521 after build_qualified_type call.
24523 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24525 * configure.in: Use t-iris6, even with GNU LD.
24526 * config/mips/iris6gld.h: Fix typo in linker spec.
24527 * config/mips/t-iris6gld: Remove.
24529 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24531 * rs6000.md (insv, extzv): Remove SImode dependence in named
24532 patterns. Explicitly generate DImode RTL if PowerPC64 and
24534 (insvdi): Reverse start and size in instruction template.
24536 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24538 * invoke.texi: Typo fixes.
24540 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24542 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24543 handle at this time instead of silently generating incorrect code.
24544 (gen_imagpart): Likewise.
24546 * reload.c (find_reloads): Emit a USE for a pseudo register without
24547 a hard register if we could not create an optional reload for the
24550 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24552 * c-typeck.c (output_init_element, process_init_element):
24553 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24554 check for nameless bit fields.
24556 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24558 * regclass.c (scan_one_insn): Notice subregs that change the
24559 size of their operand.
24560 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24562 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24564 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24565 * configure: Rebuilt.
24566 * alpha/t-ieee: New file.
24568 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24570 * rs6000.c (find_addr_reg): Do not select r0 as an address
24573 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24575 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24577 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24579 * rs6000.md (movsf): Do not force easy FP constants into memory.
24581 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24582 immed_double_const to ensure they are properly truncated then
24585 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24587 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
24588 always unless NO_DEBUG is used. Compile this code
24590 (replace_symbols_in_block): Compile it unconditionally.
24592 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
24594 * configure.in (i?86-*-elf*): New target.
24595 * configure: Rebuilt.
24596 * i386/i386elf.h, i386/t-i386elf: New files.
24598 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24600 * toplev.c (main): Don't complain about saying -gdwarf.
24601 (rest_of_compilation): Remove redundant code.
24603 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
24605 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
24607 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
24609 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
24610 "Li960R:", to avoid name clash.
24612 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24614 * loop.c (check_dbra_loop): When reversing a loop, delete all
24615 REG_EQUAL notes referencing the reversed biv except those which are
24616 for a giv based on it.
24618 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
24620 * version.c: Drop "gcc-" prefix from version #.
24622 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
24624 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
24625 the label if we're being verbose.
24627 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
24629 * m68k.c (output_function_prologue): Add pic register to mask
24630 if live and flag_pic.
24631 (output_function_epilogue): Likewise.
24633 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
24635 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
24636 directives in column zero.
24638 * pa/elf.h (ASM_FILE_START): Define.
24639 * pa/som.h (ASM_FILE_START): Include .level directives.
24640 * pa/hpux10.h (ASM_FILE_START): Delete.
24641 * pa/hpux11.h (ASM_FILE_START): Delete.
24643 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
24645 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24647 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
24648 when reload_out equals reload_in.
24650 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
24652 * invoke.texi (Spec Files): New node: Describe the contents of
24655 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
24657 * invoke.texi (DEC Alpha Options): Put @end table at
24658 beginning of line, to avoid confusing texi2html.
24660 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
24662 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
24663 introduced in previous delta.
24665 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24667 * reload1.c (gen_reload): When synthesizing a 3 operand add
24668 sequence, improve test for when to reload OP1 into the reload
24669 register instead of OP0.
24671 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
24673 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
24675 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
24677 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
24680 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
24682 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
24683 (va_dcl): Use __builtin_va_alist_t.
24685 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
24687 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
24688 on the permanent_obstack.
24689 * dwarfout.c (output_type): Likewise.
24691 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
24693 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24694 Merged from c-typeck.c and cp/typeck.c.
24695 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24696 Merged into c-common.
24698 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
24700 * c-lex.c (errorcount): Declare it.
24701 (finish_parse): Update errorcount when using CPPLIB.
24703 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
24705 * fixinc/inclhack.def(end_else_label): Double the backslash so
24706 sed gets a chance to see it.
24707 * fixinc/inclhack.sh: regen
24708 * fixinc/fixincl.x: regen
24710 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
24712 Add framework to support armv5 architecture when it becomes
24715 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
24716 (arm_arch5): New variable.
24717 (all_architectures): Add armv5 line.
24718 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
24719 -march=armv5 is specified on the command line.
24720 (arm_arch5): Export this variable.
24721 * invoke.texi: Document new string accepted by -march= switch for
24724 * config/arm/arm.h: Replace use of constant 12 as a register
24725 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24726 * config/arm/arm.c: Replace use of constant 12 as a register
24727 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24729 * config/arm/elf.h: Tidy up.
24730 * config/arm/coff.h: Tidy up.
24732 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
24734 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
24735 * gcc/config/mips/t-iris6gld: New file.
24736 * gcc/config/mips/iris6gld.h: Likewise.
24738 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
24740 * c-decl.c (widest_integer_literal_type_node,
24741 widest_unsigned_literal_type) : New.
24742 (init_decl_processing): Handle/use the two new types.
24743 * c-common.c (type_for_size,type_for_mode) : Same.
24744 * c-lex.c (yylex) : Same.
24745 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24747 * c-tree.h (widest_integer_literal_type_node,
24748 widest_unsigned_literal_type) : New.
24750 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
24752 * dwarfout.c (field_byte_offset): Correctly compute the object's
24753 byte offset for the first bit of a field which crosses an alignment
24754 boundary on a !BYTES_BIG_ENDIAN target.
24756 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
24758 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
24761 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
24762 Jeff Law <law@cygnus.com>
24764 * ginclude/varargs.h (va_dcl): Use word_mode for type of
24767 * except.c: Include intl.h.
24768 (expand_eh_return): Set current_function_cannot_inline.
24769 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
24770 * function.h (struct function): Add eh_return_stub_label.
24771 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
24772 * Makefile.in (except.o): Depend on intl.h.
24774 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
24776 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
24777 same as offsettable in cases 1 and 2.
24779 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
24781 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
24782 (extlh, extwh): Likewise.
24784 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
24786 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
24788 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
24790 * configure.in: Add arm-pe and thumb-pe targets.
24791 * configure: Regenerate.
24793 * thumb.c (arm_naked_function_p): New function: Determines if
24794 a function is naked (has no gcc generated prologue/epilogue).
24795 (is_called_in_ARM_mode): Return true if the func has the
24796 interfacearm attribute.
24797 (output_return): Do not generate a return for naked functions.
24798 (thumb_function_prologue): Do not generate a prologue for
24800 (thumb_expand_prologue): Do not generate a prologue for naked
24802 (thumb_expand_epilogue): Do not generate an epilogue for naked
24804 (arm_valid_machine_decl_attribute): New function, copied from
24805 arm.c: Permit naked and interfacearm attributes.
24807 * config/arm/pe.c: New file: Support code for arm-pe target.
24808 * config/arm/pe.h: New file: Header file for arm-pe target.
24809 * config/arm/tpe.h: New file: Header file for thumb-pe target.
24810 * config/arm/t-thumb-pe: New file: Makefile fragment for
24813 1999-07-01 Mark Kettenis <kettenis@gnu.org>
24815 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
24816 -fPIC or -fpic is specified.
24818 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
24820 * expr.c (emit_block_move): Use copy_to_mode_reg for
24821 !TARGET_MEM_FUNCTIONS case too.
24823 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
24825 * configure: Rebuilt.
24826 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
24827 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
24828 definitions made redundant by dbxelf.h inclusion. Delete
24829 lots of definitions related to assembly output that are
24830 specific to the SOM object format.
24831 * pa.c (output_function_prologue): Do not emit the function's
24833 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
24834 * pa-pro.h: Deleted.
24835 * som.h: New file with SOM specific definitions.
24836 * elf.h: New file with ELF specific definitions.
24838 * elfos.h (const_section): Output a tab before assembler directives.
24839 (ctors_section, dtors_section): Likewise.
24840 (ASM_OUTPUT_SECTION_NAME): Likewise.
24842 * pa/pa1.h: Delete unused file.
24844 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
24846 * configure.in (hppa*-hp-hpux11*): New configuration.
24847 * configure: Rebuilt.
24848 * pa/pa-hpux11.h: New file.
24849 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
24852 * mips.md (leasi, leadi): New patterns.
24854 * expr.c (emit_block_move): Properly handle case where one of the
24855 block move arguments has a queued increment or decrement.
24856 (clear_storage): Similarly. Fix formatting goof.
24858 1999-06-28 "David O'Brien" <obrien@NUXI.com>
24860 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
24861 semicolon from the BSD VA_LIST replacement expression.
24863 * fixinc/inclhack.sh: regen
24864 * fixinc/fixincl.x: regen
24866 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
24867 now use the fixincl program.
24869 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
24871 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
24872 case. Also make the PIC register call_used.
24874 * m68k.h (FINALIZE_PIC): Delete.
24875 * m68k.c (finalize_pic): Delete.
24877 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
24879 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
24882 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
24884 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
24886 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
24888 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
24890 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
24892 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
24894 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
24896 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
24898 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
24900 * rs6000.c (output_toc): Always use hex values for floating-point
24901 constants. Store single-precision values in upper-half of TOC
24902 entry in 64-bit mode.
24903 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
24904 to final constraints.
24905 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
24906 (fctiwz): Improve accuracy of RTL for pattern.
24908 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
24910 * expr.c (expand_expr): Allow RTL_EXPR's through the
24911 MAX_INTEGER_COMPUTATION_MODE checks.
24913 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
24915 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
24916 such that MASK_SUPPORT_ARCH is not negative.
24918 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
24920 * loop.c (verify_dominator): Properly handle ADDR_VEC and
24921 ADDR_DIFF_VEC insns that appear inside loops.
24923 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
24924 Jeff Law <law@cygnus.com>
24926 * rs6000.md (movdf_hardfloat32): Revert previous patch.
24927 Handle LO_SUM the same as offsettable in cases 1 and 2.
24928 * rs6000.c (find_addr_reg): Revert previous patch.
24930 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
24932 * system.h (strstr): New external function declaration.
24933 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
24934 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
24935 * config.in, configure: Rebuilt.
24937 1999-06-24 Tom Tromey <tromey@cygnus.com>
24939 * gcc.c (main): Read user-specified specs files after computing
24940 additional startfile_prefixes.
24942 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
24944 Revert these two patches:
24946 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24947 * loop.c (strength_reduce): When doing biv->giv conversion, update
24948 reg note of NEXT->insn.
24950 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24951 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24953 (recombine_givs): Set ix field after sorting.
24955 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24957 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
24958 for the parts of an UNSPEC / UNSPEC_VOLATILE.
24960 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
24962 *fixinc/inclhack.def: Add fix development commentary
24963 (read_ret_type): reactivate and add selection clause
24964 (zzz_*): tweak output file name to match what is used in hackshell.tpl
24965 *fixinc/{fixincl.x|inclhack.sh}: regen
24967 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
24969 * expr.c (expand_expr): STRIP_NOPS before checking against
24970 MAX_INTEGER_COMPUTATION_MODE
24971 (check_max_integer_computation_mode): Likewise.
24973 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
24975 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
24977 1999-06-22 Jim Wilson <wilson@cygnus.com>
24979 * expr.c (store_expr): When target is a promoted subreg, return a
24980 promoted subreg as a result.
24982 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
24984 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
24986 (dwarf2out_define): Mark unused parameters appropriately.
24987 (gen_unspecified_parameters_die): Ditto.
24988 (gen_subprogram_die): Fix signed/unsigned warnings.
24989 (gen_variable_die): Ditto.
24991 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
24993 * fixinc/inclhack.def(end_else_label): combined else_label
24994 and endif_label and fixed the sed expression.
24995 *fixinc/{fixincl.x|inclhack.sh}: regen
24997 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
24999 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25000 'x' when handling non-offsettable addresses
25002 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25004 * final.c (shorten_branches): Don't try to split an insn that has
25007 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25009 * config/mips/mips.c (symbolic_expression_p): New function.
25010 (mips_select_rtx_section): Put symbolic expressions in the
25011 data section, not the read-only data section.
25013 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25015 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25017 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25019 * collect2.c (main): Log frame table count.
25020 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25021 (scan_prog_file) [COFF]: Handle frame tables.
25023 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25024 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25025 * alpha/elf.h: Undef them again.
25026 * alpha/vms.h: Remove their definitions.
25028 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25030 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25031 remove the clobber of r0 and change the REG_UNUSED note to
25034 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25036 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25037 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25038 fits in HOST_WIDE_INT and one uses union to access a long constant
25041 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25043 * sparc.c (sparc_override_options): Don't allow profiling for
25044 code models other than medlow.
25045 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25046 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25047 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25048 (sparc_block_profiler): Likewise.
25049 (sparc_function_block_profiler_exit): Likewise.
25050 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25051 (FUNCTION_BLOCK_PROFILER): Likewise.
25052 (BLOCK_PROFILER): Likewise.
25053 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25054 (MCOUNT_FUNCTION): New.
25055 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25056 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25057 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25058 (MCOUNT_FUNCTION): New.
25059 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25060 (BLOCK_PROFILER): Delete.
25061 (MCOUNT_FUNCTION): New.
25063 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25065 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25067 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25069 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25072 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25075 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25078 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25081 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25083 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25086 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25088 * i386/djgpp.h (LIB_SPEC): New.
25089 (STARTFILE_SPEC): New.
25091 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25093 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25095 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25098 * system.h (WSTOPSIG): New macro.
25100 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25102 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25104 (insert_pack_attributes): Take into account member natural
25107 * i386/winnt.c (exports_head): New static variable.
25108 (i386_pe_record_exported_symbol): New function.
25109 (i386_pe_asm_file_end): Use.
25110 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25111 symbols to be emitted at end of assembly.
25112 (ASM_DECLARE_OBJECT_NAME): Likewise.
25113 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25115 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25118 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25120 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25123 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25125 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25126 zapping reg_last_uses directly.
25127 (sched_analyze_2, sched_analyze_insn): Likewise.
25128 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25130 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25132 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25133 attributes for cases 1 and 2.
25135 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25137 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25140 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25142 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25144 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25146 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25147 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25148 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25149 must be stacked if it is used for PIC accesses.
25150 * arm.c (use_return_insn): Handle PIC register specially.
25151 (output_return_instruction): Likewise.
25152 (output_func_{prologue,epilogue}): Likewise.
25153 (output_expand_prologue): Likewise.
25155 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25156 (*strsi_predec): Renamed from *strqi_predec.
25157 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25158 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25160 * arm.c (arm_override_options): Remove warning about PIC code
25161 not being supported.
25163 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25165 * rs6000.c (find_addr_reg): New function.
25166 * rs6000.h (find_addr_reg): Declare.
25167 (offsettable_addr_operand): Delete.
25168 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25169 from and stores to GPRs.
25171 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25173 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25174 gen_sequence as argument to emit_no_conflict_block.
25176 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25178 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25179 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25180 *fixinc/fixincl.x: regen
25181 *fixinc/inclhack.sh: regen
25183 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25185 * added support for -mpcrel (PC relative addressing for m68k)
25186 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25187 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25188 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25189 (comments for general_src_operand): Add some explanation
25190 about EXTRA_CONSTRAINTS.
25191 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25192 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25193 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25194 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25195 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25196 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25197 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25198 if not already set.
25199 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25200 * m68k.h (TARGET_PCREL): New target flag.
25201 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25202 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25203 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25204 contains a SYMBOL_REF. Relax this constraint during reload, since
25205 we want to use the predicates, not reload's built-in concept of a
25206 valid memory address, to control what insns need reloading.
25207 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25208 operands (essentially 'g', 'm', and 's' under normal circumstances).
25209 * m68k.c (print_operand): Cause printing of pc-relative addresses
25210 to include pc register.
25211 (print_operand_address): Ditto.
25212 (general_src_operand): Accept operands that are not only
25213 general_operands, but are also valid when used as a pc-relative
25215 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25216 (memory_src_operand): Similar, for memory_operands.
25217 (pcrel_address): New predicate to accept the special case of a
25218 pc-relative address.
25219 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25220 QImode insns to accept *_src_operand instead of *_operand where
25221 pc-relative operands can fit. For example, a pc-relative operand
25222 can be used as a memory source operand for addsi3, but not as a
25223 memory destination.
25224 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25226 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25228 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25229 .thumb_set pseudo op to mark aliases of thumb functions.
25231 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25233 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25234 preference to ASM_OUTPUT_DEF, if it is defined.
25236 * tm.texi: Document new, optional target macro
25237 ASM_OUTPUT_DEF_FROM_DECLS.
25239 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25241 * fixincludes: ISCNTL patch
25242 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25243 (dgux_int_varargs): new for DG/UX
25244 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25246 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25248 * invoke.texi (ia32 options): Fix typo.
25250 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25252 * loop.c (strength_reduce): When doing biv->giv conversion, update
25253 reg note of NEXT->insn.
25255 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25257 * loop.c (move_movables): Note issues with replacing REGs with
25259 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25261 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25263 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25265 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25266 the reference to `mcount' was not correct for the ELF on FreeBSD.
25268 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25270 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25273 (recombine_givs): Set ix field after sorting.
25275 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25277 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25278 to safe to extract a subword out of a REG.
25280 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25282 * sh.md (mulsi3): Don't add a no-op move at the end.
25284 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25286 * cse.c (cse_insn): Don't put hard register source into tables for
25287 the last insn of a libcall.
25289 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25291 * loop.c (strength_reduce): Insert sets of derived givs at every
25292 biv increment, even if it's the only one.
25294 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25296 * dwarfout.c (add_incomplete_type): New fn.
25297 (output_type): Call it.
25298 (retry_incomplete_types): New fn.
25299 (dwarfout_finish): Call it.
25301 From Eric Raskin <ehr@listworks.com>:
25302 (output_type): Output types for bases.
25304 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25306 * mips.c (mips_output_conditional_branch): Add `break'
25307 between `default' label and `close braces'.
25309 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25311 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25312 specifications and make it realistic.
25313 (LIB_SPEC): Likewise.
25315 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25317 * config/mips/mips.c (mips_secondary_reload_class): Check for
25318 (PLUS (SP) (REG)) and return appropriate register class.
25319 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25320 Handle (PLUS (SP) (REG)).
25321 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25322 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25323 of emit_insn for tablejump.
25325 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25327 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25328 asm_fprintf format string by itself.
25329 (output_function_profiler): Likewise.
25331 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25333 * combine.c (simplify_logical, case AND): Only call
25334 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25335 or the constant is positive.
25337 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25339 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25340 * configure: Regenerate.
25342 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25344 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25345 require a sub-version #.
25346 * configure: Rebuilt.
25348 1999-06-14 Robert Lipe (robertlipe@usa.net)
25350 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25352 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25354 * c-typeck.c (process_init_element): Detect excess elements in
25355 char array initializer.
25357 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25359 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25361 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25363 * invoke.texi (Option Summary): Add -fpermissive flag.
25365 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25367 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25368 that require PIC code sequences.
25370 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25372 * configure.in: Add new target: thumb-elf.
25373 * configure: Regenerate.
25374 * config/arm/t-thumb-elf: New file: Makefile fragment for
25376 * config/arm/telf.h: New file: Header file for thumb-elf
25379 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25381 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25382 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25383 initializers is some circumstances.
25385 * fixinc/inclhack.def (endif_label): Add additional selector for
25386 more bogus stuff after #endif statements.
25387 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25389 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25391 * i386/cygwin.h (SET_ASM_OP): Define.
25393 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25395 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25397 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25399 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25402 * sh.md (ic_invalidate_line_i): Remove second alternative.
25404 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25406 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25407 test for the presence of valid prototypes. Delete bypass expr.
25408 (ioctl_fix_ctrl): Correct the selection expression.
25409 (no_double_slash): Correct quoting rules
25410 *fixinc/fixincl.x: regen
25411 *fixinc/inclhack.sh: regen
25413 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25415 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25417 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25419 * rs6000.md (movsi_got_internal_mem): Delete.
25420 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25421 (GOT_TOC_REGNUM): Delete.
25422 (PIC_OFFSET_TABLE_REGNUM): Define.
25423 (FINALIZE_PIC): Disable.
25424 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25425 (rs6000_replace_regno): Delete.
25426 (rs6000_finalize_pic): Likewise.
25427 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25429 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25431 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25432 is a note; use <= for the compare; advance P while it is
25435 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25437 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25438 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25440 * varasm.c (remove_from_pending_weak_list): Verify t->name
25441 is non-NULL before passing it to strcmp.
25443 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25445 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25446 the typed arguments are not part of a comment
25447 (ioctl_fix_ctrl): Added a purpose comment
25448 *fixinc/fixincl.x: regenerate
25449 *fixinc/inclhack.sh: regenerate
25451 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25453 * invoke.texi: Add C4x invocation docs.
25455 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25457 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25459 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25461 (c4x_legitimize_reload_address): New function.
25462 * config/c4x/c4x.md: Update docs.
25464 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25466 * fixincludes: Avoid removing '.'.
25467 * fixinc/fixinc.svr4: Likewise.
25468 * fixinc/fixinc.winnt: Likewise.
25469 * fixinc/inclhack.tpl: Likewise.
25470 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25472 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25474 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25476 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25478 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25480 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25483 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25485 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25486 * configure: Regenerate.
25488 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25490 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25493 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25495 * fixinc/inclhack.def (avoid_bool): Also catch
25496 "typedef [unsigned] int bool".
25497 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25499 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25500 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25501 * configure: Rebuilt.
25503 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25505 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25506 such that we can override its definitions if necessary.
25507 (CPP_SPEC): New define. Support processor specific predefines via
25509 (CC1_SPEC): New define. Support processor specific compiler
25510 options via %(cc1_cpu).
25511 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25514 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25516 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25517 between sed's -e flag, and the open-quote following it.
25518 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25520 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25521 Jeffrey A Law (law@cygnus.com)
25523 * varasm.c (assemble_start_function): Remove the function
25524 from the pending weak decls list when we define a function.
25525 (assemble_variable): Similarly for variables.
25526 (weak_finish): Ignore items on the list with a NULL name.
25527 (remove_from_ending_weak_list); New function to "remove" an item
25528 from the pending weak declarations list.
25530 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25532 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25534 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25536 * c-lex.c (GETC): Redefine to call getch.
25537 (UNGETC): Redefine to call put_back.
25538 (putback_buffer): New structure type.
25539 (putback): New static structure.
25540 (getch): New function.
25541 (put_back): New function.
25542 (yylex): Replace unused bytes from bad multibyte character.
25544 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25546 * cpplib.c (do_define): Cast `alloca' return value.
25547 (do_include, do_undef, do_pragma): Likewise.
25548 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25550 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25551 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25553 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25555 * sparc.md (abstf2): This should be an expand.
25556 (split after abstf2_notv9): Fix mode.
25557 (abstf2_hq_v9): New pattern.
25558 (abstf2_v9): Only use when no hard quad.
25559 (absdf2_v9): Fix if target is not the same as source.
25560 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25561 Add correct output constraints.
25563 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25565 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25566 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25568 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25570 * mips.h (mips_output_conditional_branch): New function.
25571 (mips_adjust_insn_length): Likewise.
25572 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25573 (ADJUST_INSN_LENGTH): Likewise.
25574 * mips.c (print_operand): Add `F' and `W' for floating-point
25575 comparison opcodes.
25576 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25578 (mips_adjust_insn_length): New function.
25579 (mips_output_conditional_branch): New function.
25580 * mips.md (length): Adjust attribute definition to handle
25581 conditional branches. Change lengths to bytes, rather than
25582 instructions throughout. Remove length attribute from
25583 instructions whose length is four bytes, and rely on the default
25585 (dslot): Fix typo in comment.
25586 Reword conditional branch patterns to use
25587 mips_output_conditional_branch.
25589 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25591 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
25592 (LIB_SPEC): Likewise.
25593 Link with -lprof1_r for -g/-pg.
25595 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25597 * loop.c (check_dbra_loop): Fix change of Jan 19.
25599 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
25601 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
25602 (STARTFILE_SPEC): Define, override the svr4.h version.
25603 (ENDFILE_SPEC): Likewise.
25605 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
25607 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
25608 * fixinc/fixincl.x: Regenerated.
25609 * fixinc/inclhack.sh: Regenerated.
25611 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25613 * sh.c (barrier_align): Don't return early for normal branch/barrier
25614 when optimizing for SH2.
25616 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
25618 * i386/udk.h (LINK_SPEC): Correct linker search path for
25621 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25623 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
25624 (braf_label_ref_operand): Delete.
25625 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
25626 * sh.md (casesi_jump_2): Operand1 is now the inside of a
25627 label_ref, and has no predicate.
25628 The patten has a predicate to guard against invalid substitutions.
25629 (dummy_jump): Delete.
25630 (casesi): Update use of casesi_jump_2.
25632 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25634 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
25635 *fixinc/fixincl.x: regenerate
25636 *fixinc/inclhack.sh: regenerate
25638 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
25640 * dwarf2out.c (add_incomplete_type): New fn.
25641 (gen_struct_or_union_type_die): Call it.
25642 (retry_incomplete_types): New fn.
25643 (dwarf2out_finish): Call it.
25645 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
25647 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
25648 current block starts with a CODE_LABEL and ends with a CALL and
25649 we can not find all the argument setup instructions for the CALL.
25651 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
25653 Revert this change:
25654 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25655 something is a candidate for optimize_bit_field_compare.
25657 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25659 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
25661 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
25663 * alpha.c (override_options): Thinko in last patch.
25665 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
25666 (LIB_SPEC): Recognize -pthread.
25668 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
25670 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
25671 definition in config/arm/coff.h
25672 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
25674 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25676 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
25677 fixes that need "file=xxx\n" prepended before invocation
25678 (start_fixer - new): starting the fixer process is complex enough
25679 to warrent its own routine. It prepends the "file=xxx\n" stuff.
25680 (process): uses the new routine; omit usage of putenv()
25681 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
25682 * fixinc/fixincl.x: regenerate
25684 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
25686 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
25687 and version #s (1.1 -> 2.96) as needed.
25688 * README.g77: Kill way out of date file in the toplevel directory.
25690 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
25692 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
25693 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
25694 * configure: Rebuilt.
25695 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
25696 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
25697 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
25698 (SWITCH_TAKES_ARG): Likewise.
25699 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
25700 * config/t-freebsd: Moved from config/i386/ so it can used for all
25703 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
25705 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
25707 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
25709 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
25710 * configure: Rebuilt.
25712 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
25714 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
25715 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
25716 * rs6000/rs6000.c (rs6000_file_start): Use putc.
25717 (rs6000_output_load_toc_table): Same.
25718 (output_prolog, output_mi_thunk): Same.
25719 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
25720 (ASM_GLOBALIZE_LABEL): Use putc.
25722 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
25724 * alpha.md (reload_*_help): New patterns and splitters.
25725 (reload_*): Use them.
25726 (mov[qh]i): Likewise.
25728 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
25730 * cccp.c (handle_directive): Handle backslash-newlines in quoted
25733 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
25735 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
25737 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
25739 * flow.c (mark_regs_live_at_end, insn_dead_p,
25740 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
25741 and HARD_FRAME_POINTER_REGNUM special treatment if reload
25742 hasn't run or the frame pointer is needed.
25743 * haifa-sched.c (attach_deaths): Likewise.
25744 * sched.c (attach_deaths): Likewise.
25746 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
25748 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
25749 calculate_can_reach_end returns nonzero.
25751 * configure.in (native gas tests): Search for an assembler in the
25752 same manner that the installed compiler will.
25753 * configure: Rebuilt.
25754 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
25756 * alias.c (find_base_term): Improve handling of addresses
25757 constructed from binary operations.
25759 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
25761 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
25763 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
25765 * function.h (cleanup_label, frame_offset): Declare.
25766 (tail_recursion_label, tail_recursion_reentry): Likewise.
25767 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25768 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
25769 (tail_recursion_label, tail_recursion_reentry): Likewise.
25770 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25772 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
25774 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
25776 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
25777 (MAX_OFILE_ALIGNMENT): Define.
25779 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
25781 * fixincl.c: Replace local include scheme with #includes of
25782 gansidecl.h and system.h.
25783 * procopen.c: Likewise.
25784 * server.c: Likewise.
25786 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
25788 * i386/t-dgux (EXTRA_PARTS): Add crti.o
25789 (crti.o): Add build rule and dependencies.
25790 * fixinc/fixinc.dgux: Use modified _int_varargs.h
25792 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25794 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
25795 (LIB_LINUX_SPEC): Likewise.
25796 (LIB_LINUX_SPEC): Add support for -pthread
25797 (CPP_OS_LINUX_SPEC): Likewise.
25798 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
25801 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
25803 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
25805 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
25806 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
25807 for IEEE math and CC_FCOMI.
25808 (put_jump_code): No IEEE if CC_FCOMI is set.
25810 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25812 * fold-const.c (fold_truthop): Make the field reference unsigned
25813 when converting a single bit compare.
25815 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25817 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
25819 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
25821 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
25822 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
25825 * reload.c (push_reload): Do not call remove_address_replacements
25826 when presented with identical optional reloads.
25828 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
25830 * alpha.h (MASK_FIX, TARGET_FIX): New.
25831 (MASK_*): Reorganize constants.
25832 (CPP_AM_FIX_SPEC): New.
25833 (TARGET_SWITCHES): Add FIX.
25834 (EXTRA_SPECS): Likewise.
25835 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
25836 (SECONDARY_MEMORY_NEEDED): Likewise.
25837 (REGISTER_MOVE_COST): Likewise.
25838 * alpha.c (override_options): Add FIX support. Always use
25839 ALPHA_TP_PROG for ev6.
25840 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
25841 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
25842 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
25844 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
25846 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25847 something is a candidate for optimize_bit_field_compare.
25849 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
25851 * gcc.texi (Passes): Document branch-shortening.
25852 * invoke.texi (Debugging Options): Document the fact that `-dp'
25853 outputs length information for instructions.
25855 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
25857 * flow.c: Revert previous delta.
25859 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
25861 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
25862 FRAME_POINTER_REGNUM.
25863 (mark_set_1): Ditto.
25864 (mark_used_regs): Ditto.
25866 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
25868 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
25869 (GOT_PCREL): New macro. Define to 1 if not already defined.
25870 * arm/elf.h (GOT_PCREL): Define to 0.
25871 * arm.c (arm_finalize_pic): Take into account the setting of
25874 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
25876 * output.h (STRIP_NAME_ENCODING): Provide default definition.
25877 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
25879 * flow.c (mark_set_1): Do not record BLKmode stores as dead
25880 store elimination candidates.
25882 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
25884 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
25887 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
25889 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
25890 Add use of x-aix41-gld.
25892 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
25894 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
25895 (ASM_OUTPUT_DESTRUCTOR): Define.
25897 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
25899 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
25900 last CODE_LABEL in a loop if we have previously passed a jump
25901 to the top of the loop.
25903 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
25905 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
25906 applying Philip's patch.
25908 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
25910 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
25913 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
25915 * loop.c (strength_reduce): Grow reg_single_usage as needed.
25917 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
25919 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
25920 Also remove a useless comment.
25922 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25924 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
25926 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
25928 * collect2.c (main): Only generate import or export file and add
25929 to link arguments if non-empty. Use xmalloc not alloca.
25930 (write_{export,import}_file): Delete.
25931 (write_aix_file): New function.
25932 (locatelib): Use xmalloc not malloc.
25933 (GCC_OK_SYMBOL): Do not check type if aix64.
25935 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
25937 Based on patch by Scott Bambrough and Pat Beirne:
25938 * config/arm/arm.c (making_const_table): New variable.
25939 * config/arm/arm.h (making_const_table): Declare.
25940 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
25942 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
25943 Keep track of when we are building the constant table.
25945 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
25947 * config/arm/arm.c (arm_override_options): Fix erroneous warning
25950 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
25952 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
25955 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
25957 * tm.texi (FUNCTION_ARG): Correct description of a stack element
25960 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
25962 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
25964 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25966 * rs6000.c (output_mi_thunk): Enable full support again.
25968 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25970 * sh.h (BRANCH_COST): Define.
25972 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
25974 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
25976 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
25978 * function.c (assign_stack_local): Align stack slot propertly.
25979 (assign_outer_stack_local): Likewise.
25981 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
25983 * expr.h (lang_expand_constant): Declare.
25984 * toplev.c (lang_expand_constant): Define it.
25985 * varasm.c (output_constant): Use it.
25987 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25989 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
25990 Change function definitions to K&R style.
25992 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25994 * fixinc/fixincl.c: We must not ignore SIGCLD now.
25996 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
25998 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
25999 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26000 (several places): omit static initialization
26001 (process): use single fd, since only the read fd is used
26002 * fixinc/gnu-regex.c: define 'const' away, if not supported
26003 * fixinc/procopen.c(several places): omit static initialization
26004 * fixinc/server.c: define 'volitile' away, if not supported
26006 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26008 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26009 asm_fprintf and %L to generate the label name.
26010 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26011 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26013 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26015 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26016 insn for a conditional jump can not be found.
26018 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26020 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26021 on variables in specific sections other than .sbss and .sdata.
26023 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26025 * stmt.c (expand_return): Call start_cleanup_deferral and
26026 end_cleanup_deferral around conditional code.
26028 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26030 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26031 filename lists. Utilizes new "krstr" AutoGen function.
26032 * fixinc/fixincl.x: Rebuilt.
26034 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26036 * i386.c (output_float_compare): Avoid GNU-C extensions.
26038 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26040 * version.c: Bump to distinguish mainline tree from the
26043 See ChangeLog.1 for earlier changes.