1 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3 * regclass.c (scan_one_insn): Set loop_cost to 1 when
6 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
8 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
9 if something changed. Back out that part of yesterday's changes.
11 * loop.c (loop_max_reg): New static variable.
12 (loop_optimize): Initialize it. Eliminate one unnecessary call to
14 (scan_loop): Call reg_scan_update whenever we may have added new
15 registers, and update loop_max_reg.
17 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
19 * regclass.c (record_reg_classes): Do not do the copying preferrencing
20 when source does not die.
22 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
24 1999-12-14 Jakub Jelinek <jakub@redhat.com>
26 * config/sparc/linux64.h (TARGET_LIVE_G0,
27 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
29 * config/sparc/linux.h (TARGET_LIVE_G0,
30 TARGET_BROKEN_SAVERESTORE): Likewise.
31 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
32 TARGET_BROKEN_SAVERESTORE): Likewise.
34 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
35 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
37 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
38 as sparc64 block profiling register.
39 * config/sparc/sparc.c (sparc_override_options): Allow block
41 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
43 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
44 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
45 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
47 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
49 * config/sparc/sparc.h: Likewise.
50 * config/sparc/xm-sysv4-64.h: Likewise.
51 * config/float-sparc.h: Likewise.
52 * glimits.h: Likewise.
53 * longlong.h: Likewise.
55 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
57 * combine.c (combine_simplify_rtx): Don't make shared rtl.
58 (simplify_logical): Likewise.
60 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
62 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
63 * cppfiles.c (INO_T_EQ): Likewise.
65 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
67 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
68 * i386/mingw32.h (LIB_SPEC): Likewise.
69 (STARTFILE_SPEC): Likewise.
70 * i386/uwin.h (LIB_SPEC): Likewise.
71 (STARTFILE_SPEC): Likewise.
73 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
74 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
76 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
78 * combine.c (combine_simplify_rtx): Fix order of checks for
79 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
81 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
83 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
84 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
86 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
88 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
90 * regclass.c (inv_reg_alloc_order): New array.
91 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
93 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
94 counted_for_groups, counted_for_nongroups. Add fields rld and
96 * reload.c (push_secondary_reload): Don't set nongroup field of
98 (push_reload): Likewise.
99 (find_reloads): Delete code to compute nongroup fields.
100 * reload1.c (reload_insn_firstobj): New static variable.
101 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
103 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
104 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
105 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
107 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
109 (struct hard_reg_n_uses): Deleted.
110 (potential_reload_regs): Deleted.
111 (init_reload): Initialize spilled_pseudos and pseudos_counted.
112 (reload): Don't try to allocate reload registers if we already know
113 we have to make another pass. Call select_reload_regs. Free memory
114 starting with reload_firstobj when starting another pass.
115 Don't allocate spilled_pseudos.
116 (calculate_needs_all_insns): Call copy_reloads for an insn that
117 needs reloads; don't call calculate_needs.
118 (spill_cost): New static array.
119 (used_spill_regs_local): New static variable.
120 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
121 to compute potential_reload_regs.
122 (find_reload_regs): Completely rewritten to use find_reg.
123 (allocate_reload_reg): Don't test counted_for_groups or
124 counted_for_nongroups. Lose NOERROR arg and code to give an error;
126 (choose_reload_regs): Add fallback code that uses the existing
127 register allocation from find_reload_regs.
129 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
131 * flow.c (create_edge_list): Cast xmalloc return value.
133 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
135 * doprnt.c: Remove incorrect comment closure.
137 * cse.c: Fix a few minor whitespace goofs.
139 1999-12-13 Don Bowman <don@pixstream.com>
141 * mips/vxworks.h: Fix problem with comment termination.
142 (EXTRA_SECTIONS): Add in_sbss.
143 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
145 1999-12-12 David S. Miller <davem@redhat.com>
147 * cse.c (struct cse_reg_info): Add hash_next member,
148 reorder rest of struct for better packing on 64-bit
150 (cse_reg_info_tree): Kill.
151 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
152 REGHASH_FN): New custom pow2 hash mechanism.
154 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
155 use a pow2 hash table.
156 (get_cse_reg_info): Rework to use new REGHASH.
157 (new_basic_block): Likewise, use HASH_SIZE, and inline
159 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
160 and inline free_element call.
161 (lookup_as_function, insert, flush_hash_table, invalidate,
162 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
163 invalidate_for_call, use_related_value, find_comparison_args,
164 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
165 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
168 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
170 * cse.c (cse_basic_block): Free qty_table consistently.
172 1999-12-12 David S. Miller <davem@redhat.com>
173 Jakub Jelinek <jakub@redhat.com>
175 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
176 SUBREGs by hand, gen the appropriate hard reg directly.
177 (movtf reg/mem split): Likewise and alter_subreg on destination
179 (movtf mem/reg split): Similarly.
180 (movdf_cc_sp64): Rename from hidden pattern.
181 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
182 (movtf_cc_sp64, following split): New pattern and splitter.
183 (movdf_cc_reg_sp64): Rename from hidden pattern.
184 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
186 (movtf_cc_reg_sp64, following split): New pattern and splitter.
188 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
190 * loop.c (load_mems): Don't hoist written floating point mem
193 1999-12-12 Mark Mitchell <mark@codesourcery.com>
195 * except.h (struct eh_queue): Add `next' pointer.
196 (struct eh_status): Make x_ehqueue a pointer.
197 (push_ehqueue): Declare.
198 (pop_ehqueue): Likewise.
199 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
201 (expand_fixup_region_end): Likewise.
202 (expand_leftover_cleanups): Likewise.
203 (push_ehqueue): Define.
204 (pop_ehqueue): Likewise.
205 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
206 than doing it inline.
207 (expand_start_all_catch): Adjust now that ehqueue is a
209 (mark_eh_queue): Mark all level of the queue.
210 (mark_eh_status): Adjust now that ehqueue is a
212 (init_eh_for_function): Allocate ehqueue.
213 (free_eh_status): Free it.
214 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
215 expansion for a fixup.
217 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
219 * gthr-single.h (__gthread_active_p): Add prototype arguments.
221 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
222 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
223 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
224 function_ptr, getpagesize, __enable_execute_stack,
225 __enable_execute_stack, __clear_insn_cache,
226 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
227 _cleanup, _exit, __default_terminate, __terminate_func,
228 __terminate, __empty, __throw, new_eh_context,
229 eh_context_initialize, eh_context_static, eh_context_specific,
230 get_eh_context, __get_eh_context, __get_eh_info,
231 init_reg_size_table, eh_threads_initialize,
232 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
233 __unwinding_cleanup, throw_helper, __throw, __rethrow,
234 __pure_virtual): Add prototype arguments.
235 (__bb_exit_func): Cast a sizeof to long when comparing against one.
236 Cast a signed value to unsigned long when comparing against one.
237 (new_eh_context): Wrap in _GTHREADS macro.
238 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
240 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
241 (throw_helper): Initialize variables `handler_p' and `pc_p'.
243 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
245 * combine.c (record_promoted_value): Remove unused variable
248 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
250 * global.c (record_conflicts): Likewise for `j'.
252 * genoutput.c (output_insn_data): Don't unnecessarily cast away
255 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
257 * i386-protos.h (output_387_binary_op, output_fix_trunc,
258 output_fp_compare): Constify a char*.
260 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
262 (override_options, ix86_comp_type_attributes, print_operand,
263 output_387_binary_op, output_fix_trunc, output_fp_compare):
265 (ix86_sched_reorder): Mark parameter `clock_var' with
268 * i386.h (DEBUG_PRINT_REG): Constify a char*.
270 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
272 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
273 operand, for use in the Java front-end.
275 1999-12-10 Ben Collins <bcollins@debian.org>
277 * configure.in: Fix typo for "-64" in 64bit as check.
278 * configure: Rebuilt.
280 1999-12-10 Jakub Jelinek <jakub@redhat.com>
282 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
285 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
287 * c-parse.in (string): With -Wtraditional, warn if ANSI string
288 concatenation is utilized.
290 * invoke.texi (-Wtraditional): Document it.
292 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
294 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
295 Cast a ptrdiff_t to long and pass it to printf with %ld.
297 1999-12-10 Geoff Keating <geoffk@cygnus.com>
299 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
300 68881, we have no 68881 registers at all.
301 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
302 value in a 68881 register if it is available.
304 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
306 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
307 for long long multiply-accumulate.
309 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
311 * loop.c (insert_loop_mem): Undo last change.
313 1999-12-10 David S. Miller <davem@redhat.com>
315 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
317 * config/sparc/sparc-protos.h: Add them.
318 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
319 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
320 constraints which use those helpers.
321 (EXTRA_CONSTRAINT): Use this new macro.
322 * md.texi: Update sparc target constraints documentation.
323 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
324 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
325 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
326 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
327 (movsf high/lo_sum split): Rework for new patterns.
328 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
330 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
332 * c-common.c (c_common_nodes_and_builtins):
333 Create __builtin_ptrdiff_t and __builtin_size_t.
335 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
337 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
339 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
341 * regclass.c (globalize_reg): Re-instate test that allows
342 fixed registers to be declared as a variable even after functions
345 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
347 * i386.md (cpu attribute): Add "athlon".
348 (athlon_decode): New attribute.
349 (Athlon scheduling units definitions): New.
350 (fcmp and shld patterns): Set athlon_decode to "vector".
351 * i386.c (athlon_cost): New.
353 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
354 x86_use_sahf): Set for Athlon.
355 (x86_use_fiop): Unset for Athlon.
356 (override_options): Define Athlon alignments and "athlon" name.
357 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
358 * i386.h (TARGET_ATHLON): New.
359 (enum processor_type): Add PROCESSOR_ATHLON.
360 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
362 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
364 1999-12-09 Andreas Jaeger <aj@suse.de>
366 * loop.c (record_biv): Declare parameter as int.
368 * config/i386/i386-protos.h: Declare long_memory_operand.
370 1999-12-09 Mark Mitchell <mark@codesourcery.com>
372 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
373 EXPR_WITH_FILE_LOCATION.
375 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
377 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
380 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
382 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
385 1999-12-09 Jakub Jelinek <jakub@redhat.com>
387 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
388 default on linux64 again.
389 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
390 models for multilibing.
391 * genmultilib: Accept | as alternative separator within a set in
394 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
396 * calls.c (precompute_arguments): Make sure initial_value contains
397 value pseudo which CSE expects.
398 * cse.c (struct set): New entry orig_src.
399 (cse_insn): Set it early on entry, use it for libcall EQUIV note
402 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
404 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
406 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
408 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
410 1999-12-08 Jakub Jelinek <jakub@redhat.com>
412 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
413 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
415 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
418 * longlong.h: Merge in changes from glibc.
419 Also don't clobber %g2 register in 32bit SPARC assembly, so that
420 -mno-app-regs libgcc can be compiled.
421 * libgcc2.c: Add defines so that the updated longlong.h
422 can be used in libgcc2.a. Also, make sure on most architectures
423 (at least on all which have optimized code in longlong.h defined
424 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
426 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
428 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
429 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
430 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
432 * configure: Rebuilt.
434 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
436 * alpha.c (secondary_reload_class): For !BWX, sub-simode
437 outputs require a register.
439 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
441 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
442 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
443 functions like dptoul will be resolved.
444 (libgcc2.a): Make sure that the object files from DPBIT are named
445 differently (prefix `_dp') from those that would be coming from
448 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
450 * configure.in: When target is sparc* and tm_file contains 64,
451 test for 64bit support in assembler. If not supported, remove
452 sparc/t-sol2-64 from target-dependent Makefile fragments.
453 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
454 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
455 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
456 * acconfig.h (AS_SPARC64_FLAG): Added.
457 * configure, config.in: Rebuilt.
458 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
459 support. Use AS_SPARC64_FLAG.
461 1999-12-07 Jakub Jelinek <jakub@redhat.com>
463 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
464 suitable for holding OFmode values so that gcc works with complex
466 (hard_64bit_mode_classes): Likewise.
468 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
469 so that it is actually matched.
470 (sethi_di_medlow): Likewise.
472 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
473 as legitimate constant if -mvis.
474 * config/sparc/sparc.md (movtf): Likewise.
475 (clear_sf): Use const_double_operand.
476 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
478 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
479 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
480 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
481 routines, _Qp_* cannot be handled like that now.
482 (INIT_TARGET_OPTABS): Likewise.
483 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
484 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
485 sparc_emit_float_lib_cmp if ARCH64 and soft float.
486 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
487 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
488 divtf3, sqrttf3): New expanders.
489 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
490 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
491 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
494 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
495 * configure: Rebuilt.
496 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
497 -mcpu is given and we're doing 64bit compiles.
499 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
501 * loop.h (struct induction): Add multi_insn_incr.
502 * loop.c (basic_induction_var): New multi_insn_incr argument.
503 Set it if we search back through previous insns for the biv.
504 (record_biv): New multi_insn_incr argument; fill in struct induction.
505 (strength_reduce): Discard an iv with multiple bivs, any of
506 which require multiple insns to increment.
508 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
510 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
513 1999-12-06 David S. Miller <davem@redhat.com>
515 * combine.c (check_promoted_subreg): Do not conditionalize this upon
516 PROMOTE_FUNCTION_RETURN.
518 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
520 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
521 and handle REG_UNUSED note on insn.
523 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
524 inner_mask instead of mask.
526 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
528 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
529 zero if there was an error.
531 1999-12-06 Jakub Jelinek <jakub@redhat.com>
533 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
536 * longlong.h: Fix clobbers in SPARC asm statements.
538 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
539 valid sethi operations when TARGET_ARCH64.
541 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
542 always use move_by_pieces to avoid infinite recursion.
543 (restore_fixed_argument_area): Likewise.
545 * combine.c (check_promoted_subreg, record_promoted_value): New
547 (combine_instructions): Use them to retain nonzero and sign bit
548 information after SUBREGs are eliminated by optimizations in
549 this pass if PROMOTE_FUNCTION_RETURN.
551 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
552 .register declaration. Don't use variables with __ prefixes.
554 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
556 * fold-const.c (optimize_bit_field_compare): Only use one mode
557 for both RHS and LHS in non-constant case.
559 1999-12-06 Nathan Sidwell <nathan@acm.org>
561 * frame.c (start_fde_sort): Only allocate erratic array, if
562 linear one was allocated. Return allocated flag.
563 (fde_insert): Only insert, if there's a valid array.
564 (fde_end_sort): Split, sort and merge if linear and erratic
565 arrays exist, else just sort linear one.
566 (search_fdes): New function. Linear search through original fde
568 (frame_init): Permit multiple initializations. Cope with
570 (find_fde): Fallback on linear search, if failed to sort array.
571 (__deregister_frame_info): Only free sorted array, if we
574 1999-12-06 Jakub Jelinek <jakub@redhat.com>
576 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
578 1999-12-05 Jakub Jelinek <jakub@redhat.com>
580 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
582 1999-12-05 Mark Mitchell <mark@codesourcery.com>
584 * tree.h (special_function_p): Declare.
585 * calls.c (special_function_p): Make it global. Don't take `name'
586 as a parameter. Fix typo in 1999-11-28 change.
587 (expand_cal): Adjust.
589 1999-12-04 Mark Mitchell <mark@codesourcery.com>
591 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
592 * tree.h (EXPR_WFL_FILENAME): Define in terms of
593 EXPR_WFL_FILENAME_NODE.
594 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
596 * print-tree.c (print_note): Print TREE_PRIVATE and
599 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
600 the original die cannot be found.
602 * varray.h (varray_head_tag): Add elements_used.
603 (VARRAY_PUSH): New macro.
604 (VARRAY_POP): Likewise.
605 (VARRAY_TOP): Likewise.
606 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
608 * varray.c (varray_init): Initialize elements_used.
609 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
610 (INTEGRATE_H): New variable.
611 (integrate.o): Depend on INTEGRATE_H.
612 (unroll.o): Likewise.
614 * function.h (insert_block_after_note): Declare.
615 * function.c (insert_block_after_note): Split out from ...
616 (retrofit_block): ... here.
618 * stmt.c (expand_fixup): Fix typo in comment.
620 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
622 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
623 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
624 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
625 (regmove_optimize, fixup_match_1): Likewise.
627 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
629 * flow.c (flow_loops_dump): Add missing argument when calling
632 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
633 Greg McGary <gkm@gnu.org>
635 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
636 (init_attributes): Add A_NO_LIMIT_STACK.
637 (decl_attributes): Handle A_NO_LIMIT_STACK.
638 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
639 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
640 Handle stack bounds checking.
641 * flags.h (flag_stack_check): Use the word 'probe' rather than
642 'check', because the flag doesn't actually cause any checking to
644 * function.c (expand_function_start): Set
645 current_function_limit_stack.
646 * function.h (struct function): Add limit_stack.
647 (current_function_limit_stack): Define.
648 * invoke.texi (Code Gen Options): Document new options.
649 * rtl.h: Declare stack_limit_rtx.
650 * toplev.c (stack_limit_rtx): New variable.
651 (decode_f_option): Handle new options -fstack-limit-register=REG,
652 -fstack-limit-symbol=IDENT, -fno-stack-limit.
653 (main): Add stack_limit_rtx as GC root.
654 * tree.h (DECL_NO_LIMIT_STACK): New macro.
655 (struct tree_decl): New member no_limit_stack.
657 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
659 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
660 (conditional_trap+1): Get new mnemonic correct.
661 (conditional_trap+2): New pattern for DImode traps.
663 * config/m68k/m68k.c (output_function_prologue): Handle
665 * config/m68k/m68k.md (trap): New insn.
666 (conditional_trap): New insn.
667 * md.texi (Standard Names): Document `trap' and
669 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
670 so a cc0 setter doesn't get emitted at some random place in the
673 * config/i960/i960.md (trap): New insn.
674 (conditional_trap): New expander.
675 (conditional_trap+1, conditional_trap+2): New insns for signed
677 * config/i960/i960.c (i960_function_prologue): Use
678 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
680 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
681 Geoffrey Keating <geoffk@cygnus.com>
683 * flags.h (warn_padded, warn_packed): Add global var decls.
684 * toplev.c (warn_padded, warn_packed): Add global var defns.
685 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
686 * stor-layout.c (layout_record): Add local variable `type'
687 to hold often-used TREE_TYPE (field). Add local variable
688 `unpacked_align' to hold alignment that would be in force
689 if no `packed' attribute were present. Warn if `packed' attribute
690 is unnecessary, or even harmful. Warn when gcc inserts padding
691 to satisfy alignment requirements of members. Use NULL_TREE
692 when checking whether var_size is set.
693 * invoke.texi: Document new flags.
695 1999-12-03 Nathan Sidwell <nathan@acm.org>
697 * frame.c (fde_split): Reimplement to avoid variable sized array.
699 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
701 * combine.c (try_combine): Before fixing up LOG_LINKS for the
702 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
704 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
706 * invoke.texi: Document the mips option -mno-crt0
708 1999-12-02 Mike Karr <mkarr@mathworks.com>
710 * cccp.c (argdata): Added free_ptr member.
711 (macroexpand): Initialize free_ptr of each argument. When an
712 argument's buffers are freed, if the argument's free_ptr corresponds
713 to a buffer on the input stack, then return the free_ptr to that stack
714 frame, otherwise, free it.
715 (macarg): If an argument begins and ends on the same input stack level,
716 then transfer the free_ptr of that buffer to the argument in case
717 the stack is popped during the processing of a subsequent argument.
719 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
721 * loop.c (note_reg_stored): New function.
722 (struct note_reg_stored_arg): New structure.
723 (try_copy_prop): Change to be more conservative; only replace within
724 one extended basic block and stop replacing if a store to the
725 replacement reg is seen.
727 1999-12-02 Nick Clifton <nickc@cygnus.com>
729 * config/fp-bit.c: Initialise all fields of the NAN
732 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
735 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
737 * i386.md (extend?f?f2): Force the input into a register, not
740 1999-12-01 Jakub Jelinek <jakub@redhat.com>
742 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
744 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
745 alternative because setting up 64bit constant is usually costly,
746 especially when reload is in progress or completed.
747 (movdf_const_intreg_sp64): Likewise.
748 (movdf_const_intreg split): Fix building up constants when
749 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
751 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
753 * combine.c (if_then_else_cond): Use const_true_rtx instead of
754 const1_rtx for return values in EQ/NE comparison against (const_int 0)
757 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
758 (asm_file_start): Emit .am33 into assembly file when compiling for
760 (print_operand_address): Handle POST_INC addresses.
761 (can_use_return_insn, initial_offset): Check AM33 registers too.
762 (expand_prologue): Check & save AM33 registers too.
763 (expand_epilogue): Similarly.
764 (secondary_reload_class): Handle AM33 specific secondary reloads.
765 (output_tst): Emit efficient code for the AM33 too.
766 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
767 (TARGET_SWITCHES): Add -mam33 switch.
768 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
769 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
770 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
771 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
772 (enum reg_class, REG_CLASS_NAMES): Likewise.
773 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
774 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
775 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
776 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
777 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
778 (HAVE_POST_INCREMENT): Define.
779 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
780 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
781 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
782 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
783 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
784 (zero_extend to SI from QI/HI): Likewise.
785 (sign_extend to SI from QI/HI): Likewise.
786 (mulsidi3, umulsidi3): New patterns for the AM33.
787 (tstsi with zero extension from QI/HI): Add AM33 variants.
788 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
789 (return_internal_regs, store_movm): Handle new AM33 registers.
790 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
791 (LIBGCC, INSTALL_LIBGCC): Likewise.
792 * invoke.texi: Document new flags.
794 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
796 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
797 (addsi3_carry): Likewise.
798 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
799 (sbbsi3_carry): Likewise.
800 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
802 (test?i_1): Ensure that only one operand is memory.
803 (conditional move patterns): likewise.
804 (shift and rotate patterns): Rewrite to expander, add
805 "binary_operator_ok" to the condition.
807 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
808 * i386.h (procesor_costs): Add movzbl_load field.
809 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
810 non-Q registers, accept DImode registers anywhere.
812 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
813 * i386.c (*_cost): Set value for movxbl_load field.
815 * (addsi): New add to lea splitter.
817 (lea to add/shift peep2): New.
819 1999-12-01 Mark Salter <msalter@cygnus.com>
821 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
822 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
823 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
825 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
827 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
828 * i386.md (movsi_xor): New.
830 (movsi_1, movhi_1, movqi_1): Remove.
831 (movsi_2): Rename to movsi_1.
832 (movhi_2): Rename to movhi_1.
833 (movqi_2): Rename to movqi_1.
834 (movdi_1): Remove; remove splitter.
835 (movdi_2): Rename to movdi_1.
836 (divmodsi4 splitter): Do not emit clobbers for move patterns.
837 (long move peep2): Do not create QI or HI mode mov0s
838 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
840 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
843 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
844 (abs?f2_if): Likewise.
846 1999-11-30 Alex Samuel <samuel@codesourcery.com>
848 * ggc.h (ggc_test_and_set_mark): New macro.
849 (ggc_mark_rtx): Use ggc_test_and_set_mark.
850 (ggc_mark_tree): Likewise.
851 (ggc_mark_rtvec): Likewise.
852 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
854 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
856 * dwarf2out.c (scope_die_for): Only handle types. Only search for
858 (decl_scope_table): Just an array of trees now.
859 (push_decl_scope): Simplify.
860 (dwarf2out_init): Adjust.
861 (local_scope_p): New fn.
862 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
863 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
864 (gen_typedef_die): Likewise.
865 (gen_lexical_block_die): Don't call push/pop_decl_scope.
866 (gen_inlined_subroutine_die): Likewise.
867 (gen_abstract_function): Set current_function_decl temporarily.
868 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
869 Handle block extern declarations. Don't call push/pop_decl_scope.
870 (gen_decl_die): Fix logic for block externs.
872 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
874 * calls.c (special_function_p): Remove `realloc' and add `strdup'
875 to the list of functions which have attribute malloc by default.
877 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
879 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
880 integer constant does not match the traditional type, limit the
881 warnings to cases where the base of the type is ten.
883 * invoke.texi (-Wtraditional): Document it.
885 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
887 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
888 * rs6000.md: Only access a CONST_INT with INTVAL
890 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
892 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
893 (compute_nearerout): Likewise.
894 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
895 size_t to unsigned long for formatting.
897 1999-11-30 Jakub Jelinek <jakub@redhat.com>
899 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
900 Allow the user to override call-used/fixed state of %g2-5
901 registers from the command line (with the exception of %g4 for
903 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
904 there is a higher chance of having a leaf function.
905 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
906 for ARCH64 which has %ccr register.
907 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
909 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
910 insn accept into delay slot any insn which does not use %[ol]
911 registers. Accept some LO_SUM and shift left by 1 for the normal
913 (output_function_epilogue): Likewise.
914 (epilogue_renumber): Added argument which inhibits any renumbering
915 and just tests if the rtx does not use any %[ol] registers.
916 (output_return): Reflect above change.
918 1999-11-30 Jakub Jelinek <jakub@redhat.com>
920 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
921 aggregate passing for sizes <= 16 bytes.
923 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
925 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
926 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
927 * reload.c (find_dummy_reload): Likewise.
928 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
929 * reload1.c (reload_as_needed): Likewise.
930 * stupid.c (stupid_find_reg): Likewise.
931 * tm.texi (Obsolete Register Macros): Delete section.
932 * gmicro.h: Remove all traces of the two macros.
937 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
939 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
940 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
941 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
942 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
943 units for the sparclite86x chip.
944 (flush): Revert October 14th change; add SImode specifically.
945 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
946 * invoke.texi: Document it.
948 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
950 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
951 psimode_truncation_operand.
953 * config/mn10200/mn10200.c (psimode_truncation_operand): New
954 function. Return true if the operand is either a MEM valid
955 for a PSImode address or not a MEM at all.
957 * config/mn10200/mn10200.md (truncsipsi2): Use
958 psimode_truncation_operand.
960 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
962 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
963 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
964 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
965 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
966 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
967 (flow_loop_level_compute, low_loops_level_compute): Likewise.
968 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
969 * basic-block.h: Protect from multiple inclusion.
970 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
971 (struct loops, struct loop): Define structures.
972 * sbitmap.c (sbitmap_a_subset_b_p): New function.
973 * sbitmap.h: Protect from multiple inclusion.
974 (sbitmap_a_subset_b_p): Add prototype.
975 * Makefile.in (LOOP_H): New macro.
976 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
978 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
980 * cppinit.c (CAT): The argument list of this macro may not contain
983 1999-11-29 David S. Miller <davem@redhat.com>
985 Move quantity tables and register equivalence chains into
986 per-qty and per-register structure arrays respectively.
987 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
988 qty_const_insn, qty_comparison_code, qty_comparison_const,
989 qty_comparison_qty): Delete, replace with...
990 (qty_table): this structure table.
991 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
992 (reg_eqv_table): this structure table.
993 (make_new_qty): Add argument MODE. Caller updated.
994 Update to use qty_table and reg_eqv_table.
995 (make_regs_eqv, delete_reg_equiv, insert_regs,
996 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
997 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
998 cse_process_notes, cse_main, cse_basic_block): Likewise.
1000 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1002 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
1003 operation if C is negative.
1004 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
1005 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
1006 law for some divisions if constant is negative and change other
1007 divisions to the opposite rounding.
1009 * expr.c (store_constructor_field): If bit position is not multiple
1010 of alignment of TARGET's mode, use BLKmode.
1012 * expr.c (expand_expr_unaligned): Add more code from full case
1013 that is needed when OP0 is in a register.
1015 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1017 * dwarfout.c (field_byte_offset): Size can be zero if there was
1020 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
1022 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
1023 (associate_trees): Delete unused var TEM.
1024 (extract_muldiv): Delete unused var CANCEL_P.
1026 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
1027 (target_isinf, target_isnan, target_negative): Add return types to
1028 function definitions.
1030 1999-11-29 Bruce Korb <autogen@linuxbox.com>
1032 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
1033 * fixinc/hackshell.tpl: ditto
1034 * fixinc/fixtests.c(double_slash_test): more C++ header testing
1035 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
1037 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
1039 * reload.c (push_reload): When looking for a register to put into
1040 reg_rtx, make sure all hard regs in a multi-reg register are in the
1041 right class and nonfixed.
1043 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
1044 pending_read_insns, pending_write_insns, pending_read_mems,
1045 pending_write_mems, pending_list_length, last_pending_memory_flush,
1046 last_function_call, sched_before_next_call): Move static variables
1048 (bb_ prefixed versions): Replace with single array bb_deps.
1049 (struct deps): New structure.
1050 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
1051 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
1052 argument of type "struct deps *"; use that instead of global
1053 variables. All callers changed.
1054 (init_rgn_data_dependencies): Delete function.
1055 (init_rtx_vector): Delete function.
1056 (init_deps): New function.
1058 (free_pending_lists): Simplify, we always use the bb_deps array even
1059 if only one basic block.
1060 (compute_block_backward_dependences): Likewise.
1061 (schedule_region): Likewise.
1063 (propagate_deps): New function, broken out of
1064 compute_block_backward_dependences.
1065 (compute_block_backward_dependences): Use it.
1067 * alpha.md: Delete useless patterns that tried to work around
1068 register elimination problems.
1070 * unroll.c (loop_iterations): Don't abort if iteration variable
1073 From Joern Rennecke:
1074 * reload1.c (reloads_conflict): Reverse test comparing operand
1075 numbers when testing for conflict between output/outaddr reloads.
1077 1999-11-29 David S. Miller <davem@redhat.com>
1079 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
1081 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
1083 1999-11-28 Robert Lipe <robertl@cygnus.com>
1085 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
1086 table from .fini into .dtor.
1088 1999-11-28 Anthony Green <green@cygnus.com>
1090 * tree.h (struct tree_decl): Add malloc_flag.
1091 (DECL_IS_MALLOC): Define.
1092 * c-common.c (attrs): Add A_MALLOC attribute.
1093 (init_attributes): Add this attribute to the table.
1094 (decl_attributes): Handle malloc attribute.
1095 * calls.c (special_function_p): Check for the malloc attribute.
1096 * extend.texi (Function Attributes): Document malloc attribute.
1098 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
1100 * pa.md (reload shift-add patterns): Remove.
1102 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1104 * reorg.c (dbr_schedule) Print more statistics. Corrected
1105 problem when printing info when 3 delay slots are filled.
1107 1999-11-28 Jakub Jelinek <jakub@redhat.com>
1109 * combine.c (setup_incoming_promotions): Pass an outgoing
1110 regno to FUNCTION_ARG_REGNO_P which it expects.
1112 1999-11-28 Andreas Jaeger <aj@suse.de>
1114 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
1116 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
1118 * cccp.c (do_include): Avoid initialization of automatic variable.
1120 * integrate.c (mark_stores): Function definition made void, to match
1121 previous declaration.
1122 * regclass.c (dump_regclass): Ditto.
1123 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
1125 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1127 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
1128 known to be multiple of divisor.
1130 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
1132 * combine.c (try_combine): Add code to try to merge a set of a
1133 two-word pseudo to a constant with a setting of one of those words
1136 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
1137 (split_tree): Completely rework to make more general.
1138 (make_range, fold): Call negate_expr.
1139 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
1140 (fold, associate): Call new split_tree and associate_trees.
1141 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
1143 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
1145 * loop.c (try_copy_prop): Avoid GNU C extension.
1147 1999-11-25 Mark Mitchell <mark@codesourcery.com>
1149 * except.c (init_eh_for_function): Still zero eh_return_context,
1150 eh_return_stack_adjust, and eh_return_handler.
1152 * except.h (eh_status): Adjust documentation for x_protect_list.
1153 (begin_protect_partials): New function.
1154 * except.c (enqueue_eh_entry): Fix formatting.
1155 (get_first_handler): Add consistency check.
1156 (add_partial_entry): Adjust usage of protect_list.
1157 (emit_cleanup_handler): Save and restore ehqueue.
1158 (expand_start_all_catch): Add comment.
1159 (begin_protect_partials): New function.
1160 (end_protect_partials): Adjust usage of protect_list.
1161 (init_eh_for_function): Use xcalloc.
1163 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1165 * c-common.c (check_format_info): Don't call a variadic function
1166 with a non-literal format string.
1168 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
1170 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
1171 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
1174 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
1177 * collect2.c (collect_wait): Likewise.
1179 * dbxout.c (dbxout_type): Likewise.
1181 * gcc.c (do_spec_1): Likewise.
1183 * genemit.c (gen_insn, gen_expand): Likewise.
1185 * genrecog.c (write_switch, write_subroutine): Likewise.
1187 * mips-tfile.c (catch_signal, botch): Likewise.
1189 * print-rtl.c (print_rtx): Likewise.
1191 * toplev.c (default_print_error_function, report_error_function,
1192 _fatal_insn): Likewise.
1194 1999-11-25 Mark Mitchell <mark@codesourcery.com>
1196 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
1198 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1200 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
1201 operations when needed.
1202 * i386.md (fop_?f_comm): New.
1203 (fop_?f_1): Do not accept commutative operands.
1205 1999-11-25 Andreas Jaeger <aj@suse.de>
1207 * config/mips/mips.md (casesi_internal): Add missing brace.
1209 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
1211 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
1212 (splice_child_die): Handle moving a child DIE from the declaration
1213 DIE of a class to its specification.
1214 (gen_struct_or_union_type_die): Use 'complete' consistently.
1215 (gen_decl_die): Generate the virtual context DIE first.
1216 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
1218 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
1220 * config/mips/mips.md (call_value_multiple_interanal1): New.
1222 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
1224 * dwarf2out.c (free_AT, free_die): New fns.
1225 (remove_children): Call them.
1226 (output_line_info): Disable removal of duplicate notes.
1228 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
1229 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
1230 means pretend the type isn't defined.
1231 Don't defer emitting types.
1232 (gen_type_die_for_member): New fn.
1233 (gen_decl_die): Call it.
1234 (splice_child_die): New fn.
1235 (gen_member_die): Call it rather than generate duplicate dies.
1237 Defer emitting information for the abstract instance of an inline
1238 until we either inline it or emit an out-of-line copy.
1239 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
1240 from output_inline_function if DECL_ABSTRACT is also set.
1241 (block_ultimate_origin): Likewise.
1242 (gen_abstract_function): New fn.
1243 (gen_decl_die, gen_inlined_subroutine_die): Call it.
1244 (gen_subprogram_die): An abstract instance is not a declaration
1245 just because it doesn't match current_function_decl. Don't abort
1246 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
1247 has an abstract origin.
1248 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
1249 abstract instance here.
1251 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
1253 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
1254 where we need to reload fpul from a system register.
1256 1999-11-24 Andreas Jaeger <aj@suse.de>
1258 * config/mips/linux.h (CPP_PREDEFINES): Added.
1259 (LINK_SPEC): Remove -Y since this is only needed on sparc.
1261 1999-11-24 Andreas Jaeger <aj@suse.de>
1263 * config/mips/linux.h (TARGET_VERSION): Added.
1264 (HANDLE_SYSV_PRAGMA): Added.
1265 (DEFAULT_VTABLE_THUNKS): Added.
1267 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1269 * local-alloc.c (qty): New structure and static variable.
1270 (qty_phys_reg): Remove, all references changed to qty.
1271 (qty_n_refs): Likewise.
1272 (qty_min_class): Likewise.
1273 (qty_birth): Likewise.
1274 (qty_death): Likewise.
1275 (qty_size): Likewise.
1276 (qty_mode): Likewise.
1277 (qty_n_calls_crossed): Likewise.
1278 (qty_alternate_class): Likewise.
1279 (qty_changes_size): Likewise.
1280 (qty_first_reg): Likewise.
1281 (alloc_qty): Rename variable QTY to QTYNO.
1282 (finf_free_reg): Likewise.
1283 (local_alloc): Allocate qty, do not allocate the removed variables.
1285 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
1287 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
1288 when -membedded-pic is passed.
1290 * config/mips/mips.md (casesi): Handle 64-bit case too.
1291 (casesi_internal_di): New insn.
1293 * config/mips/mips.c (embedded_pic_offset): Always make the
1294 embedded-pic subtractions relative to the name of the current
1295 function by use of the magic string "..CURRENT_FUNCTION".
1296 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
1298 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
1300 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
1301 of (const_int 0), when what we really care about is
1302 whether it's a zero constant anyway.
1303 (div_trap_mips16): Likewise.
1305 1999-11-23 Mark Mitchell <mark@codesourcery.com>
1307 * loop.c (loop_optimize): Always find_loop_tree_blocks and
1308 unroll_block_trees when generating debuggable code.
1310 * tree.h (unsave_expr_1): New function.
1311 (lang_unsave): New variable.
1312 (get_callee_fndecl): New function.
1313 * tree.c (unsave_expr_now_r): New function.
1314 (lang_unsave): Define.
1315 (unsave_expr_1): Likewise.
1316 (unsave_expr_now_r): Split out from unsave_expr_now.
1317 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
1318 call unsave_expr_now_r.
1319 (get_callee_fndecl): Define.
1321 * Makefile.in (gencheck): Don't depend on lang_tree_files.
1322 (gencheck.o): Do depend on lang_tree_files.
1324 * integrate.h (copy_decl_for_inlining): New declaration.
1325 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
1326 (copy_decl_for_inlining): New function.
1327 (integrate_parm_decls): Use it.
1328 (integrate_decl_tree): Likewise.
1330 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
1332 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
1333 the second two from the first.
1334 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
1335 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
1336 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
1338 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
1339 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
1342 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
1344 * pa.md (call_internal_symref, call_value_internal_symref): No mode
1345 needed on the address operand.
1346 * pa.c (call_operand_address): Check for the correct mode.
1348 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
1350 * loop.c: Include "basic-block.h".
1351 (try_copy_prop, replace_loop_reg): New functions.
1352 (load_mems): Detect registers that just hold copies of the hoisted
1353 mem, and call try_copy_prop to eliminate them.
1354 * Makefile.in (loop.o): Update dependencies.
1356 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
1358 * Makefile.in (gencheck.o): Depend on gencheck.h.
1359 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
1360 (insn-peep.o): Depend on except.h and function.h.
1361 (insn-attrtab.o): Depend on RECOG_H.
1362 (insn-output.o): Depend on toplev.h and flags.h.
1363 (gengenrtl.o): Depend on real.h.
1364 (gen-protos.o): Depend on cpplib.h and cpphash.h.
1365 Unify all dependencies to be on RECOG_H rather than recog.h.
1367 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1369 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
1370 * configure.in: Try building a bi-arch 32/64-bit compiler on
1371 sparc-*-solaris2.7 and higher.
1372 * configure: Rebuild.
1374 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
1376 * config/freebsd.h: New, FreeBSD architecture independent file.
1377 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
1379 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
1380 directly by i386/freebsd.h.
1381 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
1382 independent configuration file.
1383 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
1384 directly by i386/freebsd.h.
1385 * configure: Rebuilt.
1387 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
1388 which is in the user's namespace.
1389 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
1390 `i386' which is not in our namespace.
1392 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
1394 * invoke.texi (ARM Options): Add in -mno-alignment-traps
1396 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
1398 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
1399 (add_dwarf_attr, add_child_die): Just push onto the front.
1400 (reverse_die_lists): New fn.
1401 (add_sibling_attributes): Use it.
1402 (push_decl_scope): Reorganize.
1403 (add_name_and_src_coords_attributes): Don't set file and line for
1405 (gen_subprogram_die): An artificial function doesn't need to match
1407 (gen_compile_unit_die): Return the generated die. Only add
1408 AT_comp_dir if the filename is relative.
1409 (remove_AT): Simplify loop. Also free string values.
1410 (output_die): A DIE ref can't be null.
1411 (output_value_format, value_format): Take a dw_attr_ref.
1412 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
1413 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
1414 AT_addr, AT_lbl): New fns.
1415 (various): Use them.
1416 (various): Constify.
1418 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1420 * combine.c (combine_simplify_rtx): When handling a SUBREG,
1421 take SUBREG_WORD into account.
1422 (if_then_else_cond): Likewise.
1424 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
1426 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
1427 clause from BSD license, pursuant with
1429 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
1431 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
1433 * loop.c (load_mems): Reformat slightly.
1434 * basic-block.h (regset_head): New typedef.
1435 (INIT_REG_SET): New macro.
1437 1999-11-22 Bruce Korb <autogen@linuxbox.com
1439 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
1440 (mips-dec-bsd*): non-functional code
1441 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
1443 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
1444 added three replacement fixes
1445 (no_double_slash): removed comments that are not (any longer) pertinent
1446 (bad_lval): this fix currently runs against many files.
1447 The comment seems to indicate that we should select for files
1448 containing 'pragma extern_prefix'.
1450 * fixinc/fixinc.x86-linux-gnu: deleted
1451 * fixinc/inclhack.sh: regen
1452 * fixinc/fixincl.x: regen
1453 * fixinc/fixincl.sh: regen
1455 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
1457 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
1458 its code is INSN and it has no notes.
1460 1999-11-22 Andrew Haley <aph@cygnus.com>
1462 * varasm.c (function_defined): Remove.
1463 (make_function_rtl): Don't set function_defined.
1464 (make_decl_rtl): Remove global register warning.
1465 * regclass.c (no_global_reg_vars): New variable.
1466 (globalize_reg): Warn if function has already been defined.
1467 (regclass_init): Set no_global_reg_vars.
1469 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1471 * regclass.c (reg_pref): New structure and static variable
1472 (prefclass): Delete.
1474 (all uses of prefclass and altclass): Use reg_pref instead.
1476 1999-11-21 Nick Clifton <nickc@cygnus.com>
1478 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
1480 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
1481 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
1482 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
1484 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
1486 * varasm.c (output_constructor): Solve problem with long long
1487 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
1489 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1491 * global.c (allocno): New structure and static variable.
1492 (allocno_reg): Remove, all references replaced by allocno.
1493 (allocno_size): Likewise.
1494 (hard_reg_conflicts): Likewise.
1495 (hard_reg_preferences): Likewise.
1496 (hard_reg_copy_preferences): Likewise.
1497 (hard_reg_full_preferences): Likewise.
1498 (regs_someone_prefers): Likewise.
1499 (allocno_calls_crossed): Likewise.
1500 (allocno_n_refs): Likewise.
1501 (allocno_live_length): Likewise.
1502 (find_reg): Rename ALLOCNO to NUM.
1504 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
1506 (may_move_out_cost): New variable.
1507 (init_reg_sets_1): Initialize may_move_out_cost.
1508 (record_reg_classes): Use may_move_out_cost.
1510 * regclass.c (dump_regclass): New function.
1511 (regclass): New parameter DUMP, call DUMP_REGCLASS.
1512 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
1513 pass rtl_dump_file to regclass.
1514 * rtl.h (regclass): Update prototype.
1516 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1518 * i386.md (neg, not and abs patterns): Revmap to use
1519 ix86_expand_unary_operator and ix86_unary_operator_ok.
1520 (add?f and sub?f expanders): Force operand 1 to register.
1521 * i386.c (ix86_expand_unary_operator): Rewrite.
1522 (ix86_unary_operator_ok): Ensure that memory operands
1524 (ix86_binary_operator_ok): Do not allow operand 1 to
1525 come into memory and operand 0 not.
1526 (ix86_expand_binary_operator): Ensure that
1527 src1 is not non-matching memory.
1529 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
1530 to support integer registers and memory.
1531 (abss?2_integer): Likewise.
1533 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
1534 (REG_CLASS_NAMES): Likewise.
1535 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
1537 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
1538 (movsf): Likewise; unify 4th and 5th alternative.
1540 (movdf_1): Likewise; rename to movdf_integer.
1541 (pushxf): Likewise; rename to pushxf_integer; fix output template;
1542 remove redundant splitter.
1543 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
1544 (movdf_nointeger): New.
1545 (movxf_nointeger): New.
1546 (pushxf_nointeger): New.
1548 * i386.md (extend?f?f): Split to expander and pattern, refuse two
1549 memory operands in patterns.
1550 (fop*): Refuse two memory operands.
1552 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
1553 on !TARGET_USE_CLTD CPUs.
1555 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
1557 * extend.texi: Document C++ restricted pointers and references.
1559 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
1561 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
1562 (invalidate_skipped_set): Call it unconditionally.
1563 (cse_set_around_loop): Likewise.
1565 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
1567 * rtl.texi (mem): Add documentation for alias-set argument
1570 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1572 * i386.h (struct_processor_costs): New fields int_load, int_store,
1573 fp_move, fp_load and fp_store
1574 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
1576 (MEMORY_MOVE_COST): New macro.
1577 * i386.c (386_cost): Define new fields.
1578 (i486_cost): Likewise.
1579 (pentium_cost): Likewise.
1580 (pentiumpro_cost): Likewise.
1581 (k6_cost): Likewise.
1583 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
1584 Geoffrey Keating <geoffk@cygnus.com>
1586 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
1588 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
1591 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
1592 (TARGET_STRICT_ALIGNMENT): New macro.
1593 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
1594 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
1595 * invoke.texi (M680x0 Options): Document -mstrict-align.
1597 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
1598 Richard Henderson <rth@cygnus.com>
1600 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
1601 (ix86_split_long_move): Declare.
1602 * i386.c (split_xf, ix86_split_movdi): Remove.
1603 (ix86_split_to_parts, ix86_split_long_move): New.
1604 * i386.md (dimode move splitters): Use ix86_split_long_move.
1605 (dfmode move splitters): Likewise.
1606 (xfmode move splitters): Likewise.
1607 (movsf_1): Allow F->r.
1608 (movdf_1, movxf_1): Allow F->ro.
1610 1999-11-17 Mark Mitchell <mark@codesourcery.com>
1612 * except.h (struct eh_entry): Add goto_entry_p.
1613 (eh_region_from_symbol): Remove prototype.
1614 * except.c (find_func_region_from_symbol): New function.
1615 (emit_cleanup_handler): Likewise.
1616 (eh_region_from_symbol): Make it static.
1617 (add_new_handler): Verify the argument.
1618 (find_func_region): Update comment.
1619 (expand_eh_region_end): Expand handlers here, rater than waiting
1620 until expand_leftover_cleanups or start_all_catch.
1621 (expand_leftover_cleanups): Don't expand here.
1622 (expand_start_all_catch): Or here.
1623 (expand_rethrow): Check the return value from find_func_region.
1624 * function.c (expand_function_end): Emit the catch_clauses.
1626 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
1628 * integrate.c (expand_inline_function): Add necessary check for NULL.
1630 1999-11-18 Nick Clifton <nickc@cygnus.com>
1632 * toplev.c (main): Correctly detect an unrecognised option.
1634 * cppinit.c (cpp_handle_option): Do not claim to have consumed
1635 a -f option if it has not been recognised.
1637 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
1639 * basic-block.h (update_life_extent): Remove trailing comma on
1640 enumeration type list.
1642 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1644 * varasm.c (output_constructor) Solved problem with long long
1645 bitfields. Corrected calculating this_time and shift. Also
1646 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
1648 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
1650 * flow.c (split_edge): Take looping structure into account when
1651 determining where to put the new block note.
1653 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
1655 * Makefile.in (ggc-none.o): Provide host specific version if
1658 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
1660 * cse.c (delete_trivially_dead_insns): Identify no-op insns
1661 containing subregs too.
1663 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
1665 * invoke.texi: Add documentation for -muninit-const-in-rodata.
1666 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
1667 (TARGET_UNINIT_CONST_IN_RODATA): Define.
1668 (text_section): Add switches -munint-const-in-rodata and
1669 -mno-uninit-const-in-rodata.
1670 (ASM_OUTPUT_COMMON): Remove.
1671 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
1672 const objects should be placed in read-only data. Otherwise declare
1675 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
1677 * jump.c (jump_optimize_1): Revert last change.
1679 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
1681 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
1682 test if optimizing for size.
1684 1999-11-17 Mark Mitchell <mark@codesourcery.com>
1686 * Makefile.in (toplev.o): Depend on except.h.
1687 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
1689 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1691 * i386.md (divmodsi4): Rewrite to expander.
1692 (*divmodsi4_nocltd): New.
1693 (*divmodsi4_cltd): New.
1694 (divmodsi4 splitter): Handle the case when input comes in edx.
1695 (udivmodhi4): Do not use constraints in exander.
1696 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
1698 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
1700 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
1701 for the common case.
1703 1999-11-16 Jakub Jelinek <jakub@redhat.com>
1705 * explow.c (hard_function_value): Add outgoing argument.
1706 * expr.h (hard_function_value): Declare it.
1707 * calls.c (expand_call, emit_library_call_value): Update callers.
1708 * function.c (aggregate_value_p): Ditto.
1709 (diddle_return_value): Must look at the outgoing registers
1710 on archs with register windows.
1712 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
1714 * alpha.c (alpha_build_va_list): Use make_lang_type and
1715 initialize TYPE_NAME for the va_list record.
1717 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
1719 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
1721 * ggc.h (struct ggc_statistics): Rearrange elements for better
1722 packing on 64-bit hosts.
1723 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
1724 (compute_nearerout): Likewise.
1726 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
1728 * config/rs6000/rs6000.c (first_reg_to_save): Save
1729 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
1731 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
1733 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
1734 notion of nesting to find the DIE for a type or function.
1735 DIEs can go in limbo even if we got a context_die.
1736 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
1737 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
1739 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
1740 (gen_type_die): Writing out the context doesn't cause member class
1741 template instantiations to be written out as well.
1743 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
1745 * rs6000.h (ASM_OUTPUT_DEF): New.
1746 Based on proposed addition from David Edelsohn.
1748 1999-11-15 Robert Lipe <RobertLipe@usa.net>
1749 Bruce Korb <autogen@linuxbox.com>
1751 * fixinc/inclhack.def
1752 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
1753 (unixware7_byteorder_fix): added. Removes conflicts for new defs
1755 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
1756 (svr4_endian): enabled with SVR5
1757 (svr4_mkdev): simplified syntax and enabled with SVR5
1759 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
1761 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
1762 * configure: Rebuilt.
1763 * config/t-freebsd-thread: New file.
1765 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
1767 * i386.c (ix86_decompose_address): Verify the base is a REG
1768 before trying to examine its register number.
1770 * basic-block.h: Remove all #defines and prototypes related to
1772 (free_bb_mem, compute_preds_succs): Remove prototype.
1773 * rtl.h (free_bb_mem): Remove prototype.
1774 * flow.c (alloc_int_list_node); Remove function.
1775 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
1776 (compute_preds_succs, free_bb_mem): Likewise.
1777 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
1778 * toplev.c (rest_of_compilation): Likewise.
1779 * haifa-sched.c (build_control_flow): Use flow generated edge
1780 list to build the haifa specific edge list.
1781 (find_rgns): Use new CFG data structures instead of pred/succ lists.
1782 (schedule_insns): Do not build pred/succ lists anymore. Instead
1783 build the edge table.
1785 * basic-block.h (dump_bb_data): Remove declaration.
1786 * flow.c (dump_bb_data): Remove function.
1787 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
1788 (sbitmap_union_of_predsucc): Likewise.
1790 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
1791 argument. All callers changed.
1792 (delete_null_pointer_checks_1): No longer need to compute the
1795 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
1796 All callers changed.
1797 (pre_expr_reaches_here_p_work): Likewise.
1798 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
1799 * lcm.c (compute_laterin): Fix initialization of LATER.
1800 (compute_nearerout): Similarly for NEARER.
1802 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1804 * cse.c (set_nonvarying_address_components): Delete unused function.
1805 (refers_to_p): Likewise.
1807 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
1809 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
1812 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1814 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
1815 definition in do while (0).
1817 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
1819 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
1821 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
1823 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
1825 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
1827 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
1828 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
1829 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
1830 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
1832 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
1833 saved on the stack. Output more accurate stack frame statistics
1834 into assembler file.
1836 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
1838 * genextract.c (record_insn_name): New function.
1839 (get_insn_name): No longer a stub.
1840 (main): Call record_insn_name for each insn. After each label
1841 written, print the insn name in a comment.
1843 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1845 * output.h (const_section, init_section, fini_section): Add
1848 * alpha/elf.h (const_section): Delete declaration.
1850 * svr4.h (const_section): Likewise.
1852 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
1854 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
1855 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
1856 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
1858 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
1859 variable-sized array bounds.
1861 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
1863 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
1866 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1868 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
1869 addresses the same way GO_IF_LEGITIMATE_INDEX does.
1871 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1873 * cse.c (hash_arg_in_struct): Delete.
1874 (struct table_elt): Delete elt in_struct.
1875 (struct set): Delete elt src_in_struct.
1876 (merge_equiv_classes): Don't set either hash_arg_in_struct or
1877 the corresponding in_struct elts.
1878 (canon_hash): Likewise.
1879 (safe_hash): Likewise.
1880 (find_best_addr): Likewise.
1881 (record_jump_cond): Likewise.
1882 (cse_insn): Likewise.
1884 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
1886 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
1888 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
1891 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
1893 * function.c (diddle_return_value): Put back check that the DECL_RTL
1894 for the function is a register.
1896 * function.c (diddle_return_value): Use hard_function_value to
1897 get an rtx suitable for use in the USE/CLOBBER insn.
1899 * global.c (global_conflicts): Update comments.
1900 (record_conflicts): No need to record conflicts between pseudos here.
1902 1999-11-11 Bruce Korb <autogen@linuxbox.com>
1904 * fixinc/fixincl.c: Added verbose levels for status messages
1906 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1908 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
1909 operand as argument to expand_and or expand_binop.
1911 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
1913 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
1914 gcc_add_string_root.
1916 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
1918 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
1920 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
1922 * flow.c (compute_flow_dominators): Initially put all blocks on
1924 * lcm.c (compute_antinout_edge, compute_available): Similarly.
1925 * gcse.c (compute_cprop_avinout): Remove.
1926 (compute_cprop_data): Use compute_available.
1927 (delete_null_pointer_checks_1): Use compute_available.
1929 * basic-block.h (compute_available): Returns a void now.
1930 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
1931 to return a value anymore.
1932 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
1933 worklists. Fix boundary cases. Compute maximal solutions.
1934 (compute_laterin, compute_nearerout): Similarly.
1936 * dwarf2out.c (add_AT_location_description): Allow
1937 (mem (plus (pseudo) (...)) too.
1939 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
1941 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
1943 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
1944 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1946 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
1948 * gansidecl.h: Likewise.
1954 * toplev.h: Likewise.
1960 * varray.c: Likewise.
1962 * varray.h: Likewise.
1964 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
1966 * gcov.c (struct arcdata): Add hits and total, remove prob.
1967 (output_branch_counts): New.
1968 (process_args): Set output_branch_counts if -c.
1969 (calculate_branch_probs): Store hits and total instead of
1971 (output_data): Emit counts if output_branch_counts is true.
1972 * gcov.texi (Invoking Gcov): Document -c switch..
1974 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
1976 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
1977 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
1979 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
1981 * invoke.texi (C Dialect Options): Add missing builtins from
1983 * extend.texi (Other Builtins): Copy to this list.
1985 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1987 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
1988 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
1991 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
1993 * flow.c (compute_flow_dominators): No longer treat basic block 0
1994 or (n_basic_blocks - 1) specially. Clear the AUX field before
1995 starting computation of doms/pdoms. Fix initial state for pdoms.
1997 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1999 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
2000 match rtl.o's: added ggc.h and toplev.h
2001 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
2002 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
2003 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
2005 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
2007 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
2008 from HAVE_DOS_BASED_FILESYSTEM.
2009 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
2010 HAVE_DOS_BASED_FILESYSTEM.
2012 (split_directories): Only special-case DOS file names if
2013 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
2014 instead of explicit tests. Conditionalize on !VMS.
2015 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
2016 tests. Conditionalize on !VMS.
2017 (process_command): Only use make_relative_prefix if !VMS.
2018 (free_split_directories): Conditionalize on !VMS.
2019 (DIR_UP): Conditionalize on !VMS.
2021 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
2023 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
2025 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
2027 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
2030 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
2032 * invoke.texi (Environment Variables): Document relative path
2034 * gcc.c (DIR_UP): If not defined, define as "..".
2035 (standard_bindir_prefix): New static, holds target location to
2037 (split_directories): New function to split a filename into
2038 component directories.
2039 (free_split_directories): New function, release memory allocated
2040 by split_directories.
2041 (make_relative_prefix): New function, make a relative pathname if
2042 the compiler is not in the expected location.
2043 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
2044 can figure out an appropriate prefix from argv[0].
2045 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
2046 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
2047 STANDARD_BINDIR_PREFIX.
2049 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2051 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
2053 * config/c4x/c4x.h: Moved prototypes to c4x.h.
2054 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
2055 c4x_secondary_memory_needed) Delete.
2056 (fp_zero_operand): Add mode argument.
2058 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
2060 * reload1.c (reload_reg_free_for_value_p): Don't use a register
2061 that is in reload_reg_used.
2063 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
2065 * config/arm/arm-protos.h: New file: Prototypes for functions
2066 defined in arm.c and pe.c.
2067 * config/arm/arm.h: Fix compile time warnings.
2068 * config/arm/arm.c: Fix compile time warnings.
2069 * config/arm/pe.h: Fix compile time warnings.
2070 * config/arm/aout.h: Fix compile time warnings.
2072 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
2074 * config/m32r/m32r-protos.h: New file: Prototypes for functions
2077 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
2078 Add support for subtargets.
2079 Add prototypes for new predicates.
2080 Add scheduling macros.
2082 * config/m32r/m32r.c: Fix compile time warnings.
2083 (int8_operand): New predicate function.
2084 (reg_or_cmp_int16_operand): New predicate function.
2085 (extend_operand): New predicate function.
2086 (m32r_adjust_code): New scheduling function.
2087 (m32r_adjust_priorty): New scheduling function.
2088 (m32r_sched_init): New scheduling function.
2089 (m32r_sched_reorder): New scheduling function.
2090 (m32r_sched_variable_issue): New scheduling function.
2091 (direct_return): New codegen function.
2092 (m32r_not_same_reg): New rtl testsing function.
2094 * config/m32r/m32r.md: Fix compile time warnings.
2095 Add support for pre decrement and post increment memory
2100 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2102 * global.c (EXECUTE_IF_CONFLICT): Don't define.
2103 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
2104 (find_reg): Likewise.
2106 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
2108 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
2109 to avoid assembler errors.
2111 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
2113 * config/v850/v850-protos.h: New file: Prototypes for functions
2115 * config/v850/v850.h: Move prototypes to v850-protos.h
2116 * config/v850/v850.c: Move prototypes to v850-protos.h
2117 * config/v850/v850.md: Fix compile time warnings.
2119 * config/fr30/fr30-protos.h: New file: Prototypes for functions
2121 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
2122 * config/fr30/fr30.c: Fix compile time warnings.
2123 * config/fr30/fr30.md: Fix compile time warnings.
2125 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
2127 * tree.h (get_containing_scope): Declare it.
2128 * tree.c (get_containing_scope): New fucntion.
2129 (decl_function_context): Use it.
2130 * toplev.c (rest_of_compilation): Use get_containing_scope.
2132 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2134 * Makefile.in (rtl.o): Depend on toplev.h.
2136 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
2138 * cse.c (delete_trivially_dead_insns): Replace alloca with
2140 * except.c (update_rethrow_references): Likewise.
2141 (init_eh_nesting_info): Likewise.
2142 * function.c (identify_blocks): Likewise.
2143 * gcse.c (dump_hash_table): Likewise.
2144 * graph.c (print_rtl_graph_with_bb): Likewise.
2145 * loop.c (combine_movables): Likewise.
2146 (move_movables): Likewise.
2147 (count_loop_regs_set): Likewise.
2148 (strength_reduce): Likewise.
2149 * profile.c (compute_branch_probabilities): New function, split
2151 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
2152 * regclass.c (regclass): Likewise.
2153 * regmove.c (regmove_optimize): Likewise.
2154 * toplev.c (compile_file): Likewise.
2155 (main): Don't mess with the stack rlimit.
2157 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
2159 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
2160 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
2162 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
2164 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
2166 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
2168 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
2169 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
2172 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
2174 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
2176 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
2178 * gcse.c (post_dominators): Kill.
2179 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
2180 (compute_code_hoist_data): Use compute_flow_dominators. Do not
2181 pass in a pdom array since we do not need pdoms.
2182 * haifa-sched.c (schedule_insns): Similarly.
2183 * flow.c (compute_dominators): Remove dead function.
2184 (compute_flow_dominators): Do not compute doms or pdoms if the
2185 caller does not request them. Split up loop to build doms and
2186 pdoms. Use a worklist to compute doms and pdoms.
2187 * basic-block.h (compute_dominators): Remove prototype.
2189 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
2191 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
2192 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
2193 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
2194 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
2195 (cant_move, fed_by_spec_load, is_load_insn): Remove.
2196 (schedule_region): Remove unused variable.
2197 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
2199 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
2201 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
2202 (update_equiv_regs): Likewise.
2203 (block_alloc): Likewise.
2204 * reg-stack.c (reg_to_stack): Likewise.
2205 (convert_regs_2): Likewise.
2206 * reload1.c (reload_as_needed): Likewise.
2208 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
2210 * Makefile.in (dbxout.o): Depend on ggc.h.
2211 (dwarf2out.o): Likewise.
2212 (xcoffout.o): Likewise.
2213 * dbxout.c: Include ggc.h.
2214 (dbxout_init): Register lastfile as a root.
2215 * dwarf2out.c: Include ggc.h.
2216 (dwarf2out_line): Register lastfile as a root.
2217 * xcoffout.c: Include ggc.h.
2218 (xcoffout_source_line): Register xcoff_lastfile as a root.
2220 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
2222 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
2224 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
2226 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
2228 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2230 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2232 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
2233 (EXECUTE_IF_CONFLICT): Likewise.
2234 (ALLOCNO_LIVE_P): Avoid signed division.
2235 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
2236 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
2237 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
2239 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
2241 * haifa-sched.c (schedule_block): Don't crash if there's no
2242 next insn for an interblock movement.
2243 (add_branch_dependences): Don't allow clobber insns to move either.
2245 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
2247 * i386.c (split_xf): New.
2248 * i386-protos.h: Declare it.
2249 * i386.md (movxf_1): Add general regs alternatives.
2250 (movxf_1+1): New splitter for same.
2252 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
2254 * function.c (purge_addressof_1): Add missing return values.
2256 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
2258 * function.c (is_addressof): New function. Returns true if
2259 the given piece of RTL is an ADDRESSOF.
2260 (purge_addressof_1): Make boolean. Return false if the
2261 ADDRESSOFs could not be purged.
2262 (purge_addressof): If ADDRESSOFs could not be purged from the
2263 notes attached to an insn, remove the offending note(s),
2264 unless they are attached to a libcall.
2266 1999-11-05 Andreas Jaeger <aj@suse.de>
2268 * genoutput.c (null_operand =): Initialize all fields.
2270 * errors.h: Add extern to prototypes.
2272 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
2274 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
2275 * configure: Rebuilt.
2277 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2279 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
2280 (mirror_conflicts): New function.
2281 (global_alloc): Call it.
2282 (expand_preferences): Remove redundant CONFLICTP test.
2283 (find_reg, dump_conflicts): Likewise.
2284 (prune_preferences): Process conflicts one word at a time.
2286 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
2288 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
2289 instead of an explicit loop.
2291 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
2293 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
2294 if REG_RETVAL check succeeds, then put classp in src_elt.
2296 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
2298 * function.c (pad_to_arg_alignment): Only update argument_pad
2299 if the argument's alignment is greater than STACK_BOUNDARY.
2301 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
2303 * bitmap.h (BITMAP_XFREE): New.
2304 * flow.c (life_analysis): Use it.
2305 (life_analysis_1): Free blocks.
2307 * combine.c (undo_commit): New.
2308 (try_combine): Use it. Don't zap undobuf.undos.
2309 (combine_instructions): Don't zap undobuf.undos; free the
2312 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
2314 * stmt.c (cost_table_): New.
2315 (estimate_case_costs): Use it instead of xmalloc.
2317 * toplev.c (compile_file): Reuse dumpname memory instead
2320 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
2322 * reg-stack.c (convert_regs_1): Initialize target_stack->top
2323 after verifying an EH edge.
2325 * haifa-sched.c (init_rgn_data_dependences): Correctly
2326 size bb_pending_lists_length when zeroing.
2328 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
2330 * function.c (diddle_return_value): New.
2331 (expand_function_end): Use it.
2332 * stmt.c (expand_null_return): Likewise.
2333 (expand_value_return): Likewise.
2335 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
2337 * reload1.c (reload): Don't remove return value clobbers.
2339 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
2341 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
2343 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
2345 * cse.c (cse_main): Use xmalloc, not alloca.
2346 (cse_basic_block): Likewise.
2347 * local-alloc.c (local_alloc): Likewise.
2349 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
2350 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2352 * rtl.c: Include toplev.h.
2353 (fatal): Remove declaration.
2355 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
2357 * haifa-sched.c (schedule_block): Fix thinko.
2359 1999-11-03 James McKelvey <mckelvey@fafnir.com>
2361 * fixinc/fixincl.c(create_file): Allow for systems that do not have
2362 S_IR* defined values
2364 1999-11-03 Philippe De Muyter <phdm@macqel.be>
2366 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
2367 call `malloc' instead.
2369 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
2371 * flags.h (flag_renumber_insns): Declare.
2372 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
2374 * rtl.h (renumber_insns): Change prototype.
2375 * toplev.c (flag_renumber_insns): Define.
2376 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
2378 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
2380 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
2381 and fpsqrtd. Use them and create fdiv function unit to more
2382 accurately represent fpu sqrt pipeline semantics on UltraSparc.
2383 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
2385 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
2387 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
2389 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
2390 insn into ready list, do not use just a raw swap.
2392 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
2394 * rtl.h (renumber_insns): New function.
2395 (remove_unnecessary_notes): Likewise.
2396 * emit-rtl.c (renumber_insns): Define.
2397 (remove_unncessary_notes): Likewise.
2398 * toplev.c (rest_of_compilation): Remove dead code.
2399 Use renumber_insns and remove_unncessary_notes.
2401 * gcse.c (struct null_pointer_info): New type.
2402 (get_bitmap_width): New function.
2403 (current_block): Remove.
2404 (nonnull_local): Likewise.
2405 (nonnull_killed): Likewise.
2406 (invalidate_nonnull_info): Take a null_pointer_info as input.
2407 (delete_null_pointer_checks_1): New function.
2408 (delete_null_pointer_checks): Use it.
2410 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
2411 (split_edges): Likewise.
2412 (schedule_block): Likewise.
2413 (compute_block_backward_dependencies): Likewise.
2414 (schedule_region): Likewise.
2415 (schedule_insns): Likewise.
2417 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
2419 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
2420 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
2421 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
2422 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
2423 * jump.c (delete_unreferenced_labels): Don't delete if
2424 LABEL_ALTERNATE_NAME is set.
2425 * print-rtl.c (print_rtx): Dump alternate name.
2426 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
2427 * rtl.h (LABEL_ALTERNATE_NAME): Define.
2428 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
2429 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
2431 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2433 * fix-header.c (recognized_extern, recognized_function): Constify
2436 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
2437 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
2438 (compute_available): Remove unused variable `last'.
2439 (compute_nearerout): Remove unused variable `temp_bitmap'.
2440 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
2441 Remove unused variable `x'.
2443 * scan.h (recognized_function, recognized_extern): Constify a
2446 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
2448 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2450 * varasm.c (decode_rtx_const): Use XSTR to access the string
2453 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
2455 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
2457 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2459 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
2461 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
2463 * pa.c (ireg_operand): New function.
2464 * pa.h (PREDICATE_CODES): Handle ireg_operand.
2465 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
2466 Fix out of date comment.
2468 * pa.md (negdi2): Turn into expander + anonymous pattern.
2470 * reload.c (find_reloads): Fix typos in recent change.
2472 * dwarf2out.c: Do not include ctype.h.
2474 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2476 * regclass.c (record_reg_classes): Always use may_move_cost when
2477 seeing how operand fits with various register classes.
2479 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
2481 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
2482 * toplev.c: Revert Nov 1 13:22 change.
2484 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
2486 * config/pa/pa.md (height reduction patterns): Add checks for
2487 overlapping operands to avoid semantic-destroying splits for
2488 height reduction patterns.
2490 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2492 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
2493 have been an hyphen, fixed.
2494 * configure: Rebuilt.
2496 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
2498 * config/arm/tpe.h: Add prototypes for exported functions.
2499 * config/arm/pe.c: Fix compile time warnings.
2500 * config/arm/semi.h: Fix compile time warnings.
2501 * config/arm/arm.c: Fix compile time warnings.
2502 * config/arm/arm.h: Fix compile time warnings.
2503 * config/arm/arm.md: Fix compile time warnings.
2504 * config/arm/thumb.c: Fix compile time warnings.
2505 * config/arm/thumb.h: Fix compile time warnings.
2506 * config/arm/thumb.md: Fix compile time warnings.
2508 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
2510 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
2513 * unroll.c (unroll_loop): Remove LOOP notes when loop is
2514 completely unrolled.
2516 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2518 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
2520 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
2522 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
2523 * rtl.h (rtx_equal_p): Move prototype.
2524 * rtl.c (rtx_equal_function_value_matters): Move from
2526 (rtx_equal_p): Likewise.
2527 * rtlanal.c (rtx_equal_function_value_matters): Delete.
2528 (rtx_equal_p): Likewise.
2530 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
2532 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
2535 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
2537 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
2539 * pa.h (ADDR_VEC_ALIGN): Define.
2541 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
2542 notes when presented with "if (foo) break; end_of_loop" and
2543 the break sequence gets moved out of the loop.
2545 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
2546 Remove explicit zero initializations of entries within MAP.
2548 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
2550 * reg-stack.c (convert_regs_1): Handle EH edges specially.
2552 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
2554 * bitmap.h (BITMAP_XMALLOC): New macro.
2555 * flow.c (CLEAN_ALLOCA): Remove.
2556 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
2557 (life_analysis): Likewise.
2558 (update_life_info): Don't use CLEAN_ALLOCA.
2559 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
2560 (calculate_global_regs_live): Likewise.
2561 (print_rtl_with_bb): Likewise.
2562 (verify_flow_info): Likewise.
2563 * global.c (global_alloc): Likewise.
2564 (global_conflicts): Likewise.
2565 * integrate.c (save_for_inline_nocopy): Likewise.
2566 (expand_inline_function): Likewise.
2567 * jump.c (jump_optimize_1): Likewise.
2568 (duplicate_loop_exit_test): Likewise.
2569 (thread_jumps): Likewise.
2570 * loop.c (loop_optimize): Likewise.
2571 (combine_givs): Likewise.
2572 (recombine_givs): Likewise.
2573 * reorg.c (dbr_schedule): Likewise.
2574 * unroll.c (unroll_loop): Likewise.
2576 * combine.c (combine_instructions): Use xmalloc instead of alloca.
2578 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
2580 * toplev.c (rest_of_compilation): Don't optimize the CFG
2581 when rebuilding, just before dbr.
2583 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2585 * output.h (assemble_end_function, assemble_destructor,
2586 assemble_constructor, assemble_gc_entry, assemble_global,
2587 assemble_label, output_constant_pool) Constify a char*.
2589 * varasm.c (assemble_destructor, assemble_constructor,
2590 assemble_gc_entry, assemble_end_function, assemble_global,
2591 assemble_label, output_constant_pool): Likewise.
2593 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
2595 * config/arm/thumb.c (thumb_expand_prologue): Add comments
2596 explaining what is goin on in this function.
2598 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2600 * regclass.c (record_reg_classes): In matching case, recompute
2601 costs since the direction of movement is different.
2603 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
2605 * resource.c (mark_target_live_regs): For unconditional branches,
2606 the resources found at the branch target should be added to the
2607 resources found so far, not intersected.
2609 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
2611 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
2613 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
2614 (sys/mman.h): Include this file only if #HAVE_MMAP.
2615 (run_compiles): Initialize `esac_fmt' with one old KR string, not
2616 with automatically concatenated ANSI strings.
2618 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
2620 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
2621 (DIV_ROUND_UP): Robustify.
2622 (ggc_recalculate_in_use_p): New function.
2623 (release_pages): Don't inline it.
2624 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
2626 (ggc_pop_context): Use ggc_recalculate_in_use_p.
2627 (clear_marks): Always save in_use_p.
2628 (sweep_pages): Use ggc_recalculate_in_use_p.
2629 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
2630 Release pages before counting statistics.
2632 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
2634 * toplev.c (rest_of_compilation): Fix thinko in this change:
2636 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
2638 (rest_of_compilation): If inside an inlined external function,
2639 pretend we are just being declared.
2641 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
2643 * flow.c (calculate_global_regs_live): Fix thinko.
2645 * integrate.c (expand_inline_function): Fix bugs in previous
2646 change from Oct 28, 1999.
2648 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
2650 * stmt.c (expand_value_return): Fix typo in this change:
2652 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2653 (expand_value_return): Correctly convert VAL when promoting function
2654 return; support RETURN_REG being a PARALLEL.
2656 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
2658 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
2660 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2662 * hard-reg-set.h (reg_names): Constify a char*.
2664 * regclass.c (reg_names): Likewise.
2666 * regs.h (reg_names): Likewise
2668 * a29k/a29k.c (reg_names): Delete declaration.
2670 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
2672 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
2673 arc_output_function_epilogue): Likewise.
2675 * elxsi/elxsi.c (reg_names): Likewise.
2677 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
2679 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
2682 * m88k/m88k.c (output_function_profiler): Likewise.
2684 * sparc/sparc.c (sparc_flat_output_function_prologue,
2685 sparc_flat_output_function_epilogue): Likewise.
2687 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
2689 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
2690 warning from -Wuninitialized and put it under -W.
2691 * function.c (uninitialized_vars_warning): Warn only when the
2692 corresponding flag is set.
2694 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
2696 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
2697 is nonzero and the single set does not have an elt, then assign
2700 * simplify-rtx.c: New file.
2701 * Makefile.in (OBJS): Add simplify-rtx.o
2702 (simplify-rtx.o): Add dependencies.
2703 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
2704 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
2705 (cse_gen_binary, simplify_unary_operation): Delete.
2706 (simplify_binary_operation, simplify_plus_minus): Likewise.
2707 (check_fold_consts, simplify_relation_operation): Likewise.
2708 (simplify_ternary_operation): Likewise.
2709 (delete_trivially_dead_insns): Simplify the contents of the
2710 REG_EQUAL note before trying to substitute it into the source
2711 of the reg-reg copy at the end of a libcall sequence.
2713 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
2714 references/callers changed.
2716 * mn10200.c (mn10200_va_arg): Force the return value into a
2719 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
2721 * cccp.c (macroexpand): Avoid out of range accesses for omitted
2724 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
2726 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
2728 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
2730 * fold-const.c (fold): Fix thinko when optimizing comparisons
2733 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
2735 * gcc.texi (Passes): Update front-end files to their current
2738 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
2740 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
2741 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2742 (PREDICATE_CODES): Add addition_operation.
2743 * alpha-protos.h (addition_operation): Declare.
2744 (secondary_reload_class): Likewise.
2745 * alpha.c (addition_operation): New.
2746 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
2747 * alpha.md (adddi3): Turn into expander.
2748 (*lda, *adddi_2): New.
2749 (movsf, movdf patterns): Don't preference integer regs.
2750 (movsi, movdi patterns): Don't preference fp regs.
2752 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
2754 * genrecog.c (write_switch): Check for duplicate CODE cases.
2756 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
2758 * ggc-common.c: Update pre-function commentary.
2759 * ggc-page.c: Likewise.
2761 (poison_pages): Use memset directly.
2762 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
2763 (ggc_collect): Poison before sweeping.
2764 * ggc-simple.c: Update pre-function commentary.
2765 (ggc_alloc_obj): Poison non-zeroed memory.
2767 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
2769 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
2770 match format string, even on 64-bit hosts.
2771 * gcc-page.c (ggc_page_print_statistics): Likewise.
2773 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
2775 * config/i386/i386.c (ix86_cpu): Revert last patch.
2776 * config/i386/i386.h (ix86_cpu): Ditto.
2778 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
2780 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
2781 TYPE_SIZE, convert type of result to sizetype.
2783 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
2785 * flow.c (count_or_remove_death_notes): Equate NULL with the
2788 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
2789 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
2792 * i386.c (pic_label_no): Delete.
2793 (ix86_attr_length_default): Don't use single_set to peek
2796 * recog.c (peephole2_optimize): Allow recog_next_insn to index
2797 the first insn after bb->end.
2798 * i386.md (push mem peeps): Scratch is live after evaluation
2800 (cmp mem peep): Similarly.
2802 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
2804 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
2805 * function.c (pad_to_arg_alignment): Add missing braces.
2807 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2809 * alpha/alpha-protos.h (literal_section): Add prototype.
2810 (alpha_need_linkage, alpha_start_function,alpha_end_function):
2813 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
2815 (alpha_start_function, alpha_end_function, float_strings,
2816 alpha_need_linkage): Constify a char*
2818 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
2820 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
2822 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
2824 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
2826 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2828 * flow.c (debug_flow_info): Add prototype.
2830 * gcc.c (main): Likewise.
2832 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
2835 * reload1.c (failed_reload, set_reload_reg): Likewise.
2837 * mips-tfile.c (main): Likewise.
2838 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
2839 with ATTRIBUTE_NORETURN.
2841 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
2843 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
2844 DECL is not a memory ref.
2846 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
2848 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
2849 * config/i386/i386.c (ix86_cpu): Add extern attribute.
2851 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
2853 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
2854 * config/mips/elf64.h: ditto.
2856 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
2858 * expr.c (emit_push_insn): New argument alignment_pad.
2859 Update all callers. Adjust stack pointer based on alignment pad.
2860 * function.c (pad_to_arg_alignment): New argument alignment_pad.
2861 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
2862 (locate_and_pad_parm): New argument alignment_pad. Update all
2864 * expr.h (emit_push_insn): Update prototype.
2865 (locate_and_pad_parm): Update prototype.
2866 * calls.c (arg_data): Add new field alignment_pad.
2867 (initialize_argument_information): Initialize alignment_pad.
2869 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
2871 * except.c (free_eh_nesting_info): Free the info itself.
2872 * function.c (free_after_compilation): Don't free NULL.
2873 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
2874 (pre_edge_insert): Free inserted.
2875 * stmt.c (free_stmt_status): Don't free NULL.
2877 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
2879 * gcov.c (DIR_SEPARATOR): Provide default.
2880 (output_data): Add test for MS-DOS format absolute filename.
2881 (fancy_abort): Correct program name.
2882 (open_files): Open all files in binary mode.
2883 * libgcc2.c (__bb_exit_func): Likewise.
2885 * profile.c (init_branch_prob): Specify binary when opening files.
2887 * flags.h (flag_unwind_tables): New decl.
2888 * toplev.c (flag_unwind_table): New definition.
2889 (f_options): Add -funwind-tables.
2890 (decode_g_option): Clarify warning when unknown -g option is given.
2891 (rest_of_compilation): If inside an inlined external function,
2892 pretend we are just being declared.
2894 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
2895 (dwarf2out_frame_finish): Likewise.
2897 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
2899 * fold-const.c (merge_ranges): In not in0, but in1, handle
2900 upper bounds equal like subset case.
2902 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
2904 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
2905 passed in a register but moved to the stack.
2907 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
2909 * gcc.c (pass_exit_codes, greatest_status): New variables.
2910 (struct option_map): Add entry for "--pass-exit-codes".
2911 (execute): Update greatest_status if error.
2912 (display_help): Add documentation for -pass-exit-codes.
2913 (process_command): Handle -pass-exit-codes.
2914 (main): Look at pass_exit_codes and greatest_status on call to exit.
2916 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2918 * reload.c (find_reloads): Refine test for no input reload
2919 case to not includes reloads emitted after insn.
2921 * function.c (find_temp_slots_from_address): Handle sum involving
2922 a register that points to a temp slot.
2923 (update_temp_slot_address): Make recursive call if both old and
2924 new are PLUS with a common operand.
2925 * calls.c (expand_call): Mark temp slot for result as having
2928 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
2930 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
2931 component as well as "BINUTILS".
2933 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
2934 * integrate.c (copy_rtx_and_substitute): Likewise.
2935 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
2936 All callers changed.
2937 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
2939 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
2940 gdb extensions, write size of type; also be more consistent
2941 in using references when this is a subtype.
2943 * pa.md (extv, extzv, insv): Use define_expand to reject constant
2944 that is out of range.
2946 * loop.c (unknown_constant_address_altered): New variable.
2947 (prescan_loop): Initialize it.
2948 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
2949 (invariant_p, case MEM): Remove handling for volatile and readony;
2950 check new variable if readonly.
2951 (check_dbra_loop): Chdeck unknown_constant_address_altered.
2953 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
2954 (addr_affects_sp_p): Removed from note_mem_written and only
2955 define #ifdef AUTO_INC_DEC.
2957 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
2959 * regclass.c (record_reg_classes): Properly handle register move
2962 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
2963 Don't think valid if both operands are invalid.
2964 (struct constant_descriptor): New field RTL.
2965 (mark_const_hash_entry): Mark it.
2966 (record_constant{,_rtx}): Initialize it.
2967 (output_constant_def): Allocate RTL in permanent obstack and
2969 ({record,compare}_constant_1): Modes must match for
2970 CONSTRUCTOR of ARRAY_TYPE.
2972 * c-common.h (initializer_constant_valid_p): Delete decl from here.
2973 * output.h (initializer_constant_valid_p): Move decl to here.
2974 * c-common.c (initializer_constant_valid_p): Delete function from here.
2975 * varasm.c (initializer_constant_valid_p): Move function to here.
2977 * tree.h (STRIP_SIGN_NOPS): New macro.
2978 * fold-const.c (optimize_minmax_comparison): New function.
2979 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
2980 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
2981 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
2982 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
2983 widening conversions.
2984 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
2985 to look at size of mode, not precision of type; also add missing cases.
2986 (optimize_bit_field_compare, decode_field_reference): Don't try to
2987 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
2989 * dwarf2out.c (ctype.h): Include.
2990 (dwarf2out_set_demangle_name_func): New function.
2991 (size_of_line_info): Deleted.
2992 (output_line_info): Compute size of line info table from difference
2994 (base_type_die, add_name_attribute): Call demangle function, if any.
2995 (field_byte_offset): Use bits per word for variable length fields.
2996 (gen_array_type_die): Add array name.
2997 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
2998 (dwarf2out_add_library_unit_info): New function.
3000 * explow.c (set_stack_check_libfunc): New function.
3001 (stack_check_libfunc): New static variable.
3002 (probe_stack_range): Allow front-end to set up a libfunc to call.
3004 * combine.c (simplify_comparison): When making comparison in wider
3005 mode, check for having commuted an AND and a SUBREG.
3006 (contains_muldiv): New function.
3007 (try_combine): Call it when dividing a PARALLEL.
3008 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
3009 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
3011 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
3012 use one of the CLOBBERs instead.
3013 (if_then_else_cond): If comparing against zero, just return thing
3016 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
3017 Don't generate shifts and subtract if have conditional arithmetic.
3019 * rtl.h (delete_barrier): New declaration.
3020 * jump.c (jump_optimize): Set up to handle conditional call.
3021 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
3022 (delete_barrier): New function.
3024 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
3026 * recog.c (nonmemory_operand): Accept ADDRESSOF.
3028 * tree.c (build_type_attribute_variant): Push to obstack of
3029 ttype around type_hash_canon call.
3031 * expr.c (placeholder_list): Move decl to file scope.
3032 (expand_expr): Don't force access to volatile just because its
3034 If ignoring reference operations, just expand the operands.
3035 (expand_expr, case COMPONENT_REF): Propagate
3036 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
3037 Refine test for using bitfield operations vs pointer punning.
3038 (expand_expr, case CONVERT_EXPR): If converting to
3039 BLKmode UNION_TYPE from BLKmode, just return inner object.
3040 Use proper mode in store_field call.
3041 Properly set sizes of object to store and total size in store_field
3042 call for convert to union.
3043 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
3044 memory (like for ADDR_EXPR). Also, don't put constant in register if
3045 we'll want it in memory.
3046 (readonly_fields_p): New function.
3047 (expand_expr, case INDIRECT_REF): Call it if LHS.
3048 (expand_assignment): Handle a RESULT_DECL where
3049 DECL_RTL is a PARALLEL.
3050 (do_jump, case WITH_RECORD_EXPR): New case.
3051 (get_inner_reference): Always go inside a CONVERT_EXPR
3052 and NOP_EXPR if both modes are the same.
3053 (store_field): Use bitfield operations if size of bitsize is not same
3054 as size of RHS's type.
3055 Check for bitpos not a multiple of alignment in BLKmode case.
3056 Do block move in largest possible alignment.
3057 (store_constructor): Set BITSIZE to -1 for variable size and properly
3058 in case of array of BLKmode.
3059 (expand_expr_unaligned): New function.
3060 (do_compare_and_jump): Call it.
3062 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
3063 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
3064 does not include 'o'.
3066 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
3067 both SET_DEST and SET_SRC reference a virtual register.
3068 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
3070 * integrate.c (expand_inline_function): Handle case of setting
3071 virtual stack vars register (from built in setjmp); when parameter
3072 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
3073 (subst_constant): Add new parm, MEMONLY.
3074 (expand_inline_function, integrate_parm_decls): Pass new parm.
3075 (integrate_decl_tree): Likewise.
3076 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
3077 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
3078 (copy_rtx_and_substitute, case SET): Add explicit calls to
3079 copy_rtx_and_substitute for both sides.
3081 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
3083 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
3084 within INDEX_TYPE, instead of before.
3085 (fixup_gotos): Use f->target_rtl, not the next insn,
3086 since latter may be from a later fixup.
3087 (expand_value_return): Correctly convert VAL when promoting function
3088 return; support RETURN_REG being a PARALLEL.
3089 (expand_return): When checking for result in regs and having
3090 cleanup, consider PARALLEL in DECL_RTL as being in regs.
3092 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
3094 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
3095 last_nominal_fname): Mark const.
3096 (struct include_hash: name, nshort, control_macro): Mark
3098 (struct macrodef: symnam): Mark const.
3099 (struct if_stack: fname): Mark const.
3100 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
3101 (IStable): New character-syntax array which encompasses all
3102 the old is_foo arrays.
3103 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
3104 is_space): New macros for interrogating IStable.
3105 (check_macro_name): Kill last argument. All callers changed.
3107 * cppinit.c (initialize_char_syntax): Delete.
3108 (is_idchar, is_idstart, is_hor_space, is_space,
3109 trigraph_table): Delete.
3110 (IStable): New. Initialize with clever macros to avoid
3111 information duplication.
3112 (builtin_array): Table of builtins to get rid of explicit list
3113 in initialize_builtins.
3114 (initialize_builtins): Use builtins_array.
3115 (cpp_start_read): Call init_IStable, and set IStable['$'] if
3116 opts->dollars_in_ident.
3118 * cppexp.c: Change all refs to is_xyz[] arrays to use new
3120 (cpp_parse_expr): Avoid 'format string is not constant'
3121 warning. Use ISGRAPH to identify printable chars.
3122 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
3124 (read_and_prescan): Map trigraphs to chars with open-coded
3125 if-else-if-... sequence, not a lookup table.
3126 * cpphash.c: Change all refs to is_xyz[] arrays to use new
3128 * cpplib.c: Change all refs to is_xyz[] arrays to use new
3129 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
3130 (check_macro_name): Remove ability to report an invalid
3131 assertion name, which is never used.
3132 (do_line): Constify a couple of char *'s.
3133 * cppmain.c (main): Call cpp_cleanup before returning.
3135 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
3137 * ggc.h (struct ggc_statistics): New type.
3138 (ggc_get_size): New function.
3139 (ggc_print_statistics): Likewise.
3140 * ggc-common.c (ggc_stats): New variable.
3141 (ggc_mark_rtx_children): Keep statistics.
3142 (ggc_mark_tree_children): Likewise.
3143 (ggc_print_statistics): New function.
3144 * ggc-page.c (struct globals): Add bytes_mapped field.
3145 (alloc_anon): Update it.
3146 (release_pages): Likewise.
3147 (ggc_get_size): New function.
3148 (ggc_page_print_statistics): New function.
3149 * ggc-simple.c (ggc_get_size): New function.
3151 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
3153 * flow.c (propagate_block): When the last reference to a label
3154 before an ADDR_VEC is deleted because the reference is a dead
3155 store, delete the ADDR_VEC.
3157 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
3159 * resource.c (find_free_register): Don't use the frame pointer
3160 if frame_pointer_needed.
3162 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
3164 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
3165 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
3167 * config/i960/i960.c (i960_va_start): New locals base, num.
3168 Use INDIRECT_REF instead of ARRAY_REF on valist.
3169 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
3171 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
3173 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
3175 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
3177 * tree.def (PLACEHOLDER_EXPR): Update comments.
3179 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3181 * c-common.c (check_format_info): Avoid non-literal format string
3182 warnings when `first_arg_num' is zero.
3184 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3186 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
3188 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
3190 * arm.md (casesi_insn): Add a clobber of the condition code
3193 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
3195 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
3196 used by both cc1 and cc1plus.
3198 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
3200 * config/arm/arm.c: Initialise arm_structure_size_boundary to
3201 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
3202 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
3203 to the value 32 if it has not already been defined.
3204 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
3205 Override definition in arm.h with a value of 8.
3207 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
3209 * c-pragma.c (push_alignment): Don't check the return value
3212 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
3214 * sparc.h (ADJUST_COST): Fix thinko.
3216 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
3218 * cccp.c (rescan): Fixed obp pointer handling around call to
3219 check_expand subroutine.
3221 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
3223 * gcse.c (delete_null_pointer_checks): Only record non-null info
3224 for pseudos when examining stores.
3226 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
3227 splitters for these patterns. Use "#" for output templates.
3228 (addsi3_carryin_shift): New pattern.
3230 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
3232 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
3233 of the function return register into a plain REG until
3234 after function inlining is done.
3236 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
3238 * jump.c (jump_optimize_1): If we did cross-jumping, and
3239 the data will matter, rebuild the CFG.
3240 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
3241 not optimizing. Don't run shorten_branches.
3242 * toplev.c (rest_of_compilation): Run shorten_branches after
3245 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
3247 * rtl.h (note_stores): Add additional paramter.
3248 * rtlanal.c (reg_set_p_1): Take additional paramter.
3249 (reg_set_last_1): Likewise.
3250 (reg_set_p): Adjust call to note_stores.
3251 (reg_set_last): Likewise.
3252 (note_stores): Pass data parameter to worker function.
3253 * alias.c (record_set): Take additional parameter.
3254 (init_alias_analysis): Pass it.
3255 * caller-save.c (mark_set_regs): Take additional parameter.
3256 (save_call_clobbered_regs): Pass NULL to note_stores.
3257 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
3259 (record_dead_and_set_regs_1): Likewise.
3260 (reg_dead_at_p_1): Likewise.
3261 (combine_instructions): Adjust calls to note_stores.
3262 (try_combine): Likewise.
3263 (record_dead_insn): Remove.
3264 (record_dead_and_set_regs): Adjust calls to note_stores.
3265 (reg_dead_at_p): Likewise.
3266 * cse.c (invalidate_skipped_set): Take additional parameter.
3267 (cse_check_loop_start): Likewise.
3268 (cse_check_loop_start_value): Remove.
3269 (cse_set_around_loop): Adjust calls to note_stores.
3270 * flow.c (notice_stack_pointer_modification): Take additional
3271 parameter. Remove duplicate declaration.
3272 (record_volatile_insns): Adjust calls to note_stores.
3273 * gcse.c (record_set_info): Take additional parameter.
3274 (record_last_set_info): Likewise.
3275 (invalidate_nonnull_info): Likewise.
3276 (record_set_insn): Remove.
3277 (compute_sets): Adjust calls to note_stores.
3278 (last_set_insn): Remove.
3279 (compute_hash_table): Adjust calls to note_stores.
3280 (insert_insn_end_bb): Likewise.
3281 (delete_null_pointer_checks): Likewise.
3282 * global.c (mark_reg_store): Take additional parameter.
3283 (mark_reg_clobber): Likewise.
3284 (reg_becomes_live): Likewise.
3285 (global_conflicts): Adjust calls to note_stores.
3286 (build_insn_chain): Likewise.
3287 * integrate.c (note_modified_parmregs): Take additional parameter.
3288 (mark_stores): Likewise. Make it static.
3289 (save_for_inline_nocopy): Adjust calls to note_stores.
3290 (try_constants): Likewise.
3291 * integrate.h (mark_stores): Remove declaration.
3292 * jump.c (mark_modified_reg): Take additional parameter.
3293 (thread_jumps): Adjust calls to note_stores.
3294 * local-alloc.c (validate_equiv_mem_from_store): Take additional
3296 (no_equiv): Likewise.
3297 (reg_is_set): Likewise.
3298 (validate_equiv_mem): Adjust calls to note_stores.
3299 (update_equiv_regs): Likewise.
3300 (block_alloc): Likewise.
3301 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
3302 (note_addr_stored): Take additional parameter.
3303 (note_set_pseudo_multiple_uses): Likewise.
3304 (record_initial): Likewise.
3305 (prescan_loop): Adjust calls to note_stores.
3306 (strength_reduce): Likewise.
3307 (check_dbra_loop): Likewise.
3308 * regmove.c (flags_set_1): Take additional paramter.
3309 (mark_flags_life_zones): Adjust calls to note_stores.
3310 * reload1.c (mark_not_eliminable): Take additional parameter.
3311 (forget_old_reloads_1): Likewise.
3312 (reload_cse_invalidate_rtx): Likewise.
3313 (reload_cse_check_clobber): Likewise.
3314 (reload_combine_note_store): Likewise.
3315 (move2add_note_store): Likewise.
3316 (reload): Adjust calls to note_stores.
3317 (reload_as_needed): Likewise.
3318 (emit_reload_insns): Likewise.
3319 (reload_cse_regs_1): Likewise.
3320 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
3321 (reload_combine): Adjust calls to note_stores.
3322 * resource.c (update_live_status): Take additional paramter.
3323 (mark_target_live_regs): Adjust calls to note_stores.
3324 * stupid.c (find_clobbered_regs): Take additional parameter.
3325 (stupid_life_analysis): Adjust calls to note_stores.
3327 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
3329 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
3332 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
3335 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
3336 of the variable arm_structure_size_boundary.
3338 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
3340 * alias.c (init_alias_analysis): Allocate reg_known_value and
3341 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
3343 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
3344 * cse.c (cse_main): Call end_alias_analysis.
3345 * haifa-sched.c (schedule_insns): Likewise.
3346 * local-alloc. (update_equiv_regs): Likewise.
3347 * reload1.c (reload_cse_regs): Likewise.
3349 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3351 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
3352 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
3353 mapping from MASK_FPU.
3355 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
3357 * sparc.md (call): Don't bound structure return size to 0xfff.
3359 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
3361 * resource.c (mark_target_live_regs): Check that the target
3362 insn wasn't created after compute_bb_for_insn.
3364 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
3366 * ggc-page.c (poison_pages): Don't be overzealous.
3368 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
3370 * alias.c: Update comments for ADDRESS.
3371 (nonlocal_reference_p): Look inside the ADDRESS to determine if
3372 it is a local memory reference.
3374 * c-typeck.c (build_function_call): Check that the built-in
3375 function is of class BUILT_IN_NORMAL before trying to recongize
3377 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
3378 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
3380 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
3382 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
3384 (pre_gcse): Likewise.
3385 (hoist_expr_reaches_here_p): Likewise.
3386 (hoist_code): Likewise.
3387 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
3389 (pre_expr_reaches_here_p_work): ... here.
3390 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
3392 (expr_reaches_here_p_work): ... here.
3394 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
3396 * resource.c (find_basic_block): Delete.
3397 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
3398 (init_resource_info): Call compute_bb_for_insn.
3400 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
3402 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
3403 with already adjacent blocks, but no fallthru.
3404 (merge_blocks_move_successor_nojumps): Simplify.
3405 (debug_flow_info): New.
3407 * toplev.c (rest_of_compilation): Open jump1 dump file before
3408 jump and close after, as opposed to just using dump_rtl.
3410 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3412 * reload.h (earlyclobber_operand_p): Declare.
3413 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
3414 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
3415 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
3416 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
3418 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
3419 Richard Henderson <rth@cygnus.com>
3421 * emit-rtl.c (emit_block_insn_before): New.
3422 (emit_block_insn_after): New.
3423 * basic-block.h: Declare them.
3425 * bitmap.h: Protect from multiple inclusion.
3427 * recog.c (scratch_operand): Handle VOIDmode correctly.
3429 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
3431 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
3432 * function.c (assign_parms): Likewise.
3433 * global.c (global_conflicts): Clarify STACK_REGS commentary.
3435 * reg-stack.c (max_uid): Remove.
3436 (blocks, block_begin, block_end, block_drops_in): Remove.
3437 (block_stack_in, block_out_reg_set, block_number): Remove.
3438 (struct block_info_def, BLOCK_INFO): New.
3439 (enum emit_where): New.
3440 (current_block): New.
3441 (BLOCK_NUM): Remove.
3442 (mark_regs_pat, record_label_references): Remove.
3443 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
3445 (goto_block_pat, print_blocks, dump_stack_info): Remove.
3446 (reg_to_stack): Simplified test for existance of fp code. Use
3447 flow.c code. Call shorten_branches after cross-jump opt.
3448 (check_asm_stack_operands): Renamed from record_asm_reg_life.
3449 Return false if the asm doesn't use stack regs. Don't do life
3450 analysis on the asm.
3451 (emit_pop_insn): Replace function pointer arg `when' with
3452 enum `where'. Update all callers.
3453 (change_stack): Likewise. Update basic block end.
3454 (emit_swap_insn): Use current_block->head to limit reverse search
3455 for start of block. Use emit_block_insn_after.
3456 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
3457 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
3458 structure assignment instead of bcopy.
3460 (convert_regs_entry, convert_regs_exit): New.
3461 (convert_regs_1, convert_regs_2): Split out from convert_regs.
3462 Work on basic blocks and the CFG.
3463 (convert_regs): Use them.
3465 * i386.c (output_fix_trunc): Remove code for DImode input operand
3466 not at top-of-stack.
3467 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
3469 (fix_truncdi_1): Allow any mode scratch.
3471 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
3473 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
3474 * linux.h, netbsd.h, vms.h: Not here.
3476 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
3478 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
3479 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
3480 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
3481 CONDITIONAL_REGISTER_USEAGE): Use them.
3482 * config/mips/mips.c (mips_move_1word,mips_move_2words,
3483 gen_conditional_branch,override_options) : Use them.
3484 * config/mips/mips.md : Use them.
3486 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
3488 * i386.md (zero_extendqihi2): Use SImode register name with andl.
3490 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
3492 * integrate.c (function_cannot_inline_p): Don't allow inlining
3495 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3497 * c-parse.in (cast_expr): Constify.
3499 * cccp.c (special_symbol): Likewise.
3501 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
3503 * dwarf2out.c (base_type_die): Likewise.
3505 * global.c (allocno_compare): Likewise.
3507 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
3509 * regclass.c (fix_register): Likewise.
3511 * rtl.h (fix_register): Likewise.
3513 * stupid.c (stupid_reg_compare): Likewise.
3515 * toplev.c (decode_f_option): Likewise.
3517 * tree.c (build_complex_type): Likewise.
3519 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
3521 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
3523 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3525 * reload.c (find_reloads): Compute mode and nregs fields of all
3527 * reload1.c (calculate_needs_all_insns): Simplify a bit.
3528 (calculate_needs): Use precomputed mode/nregs values.
3529 (allocate_reload_reg): Likewise.
3531 (failed_reload, set_reload_reg): ... new functions.
3532 (choose_reload_regs_init): New function, mostly broken out from...
3533 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
3534 Also lose one #if 0 block.
3536 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
3538 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
3541 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
3543 * tree.h (BLOCK_TYPE_TAGS): Remove.
3544 (BLOCK_END_NOTE): Likewise.
3545 (BLOCK_LIVE_RANGE_FLAG): Likewise.
3546 (BLOCK_LIVE_RANGE_START): Likewise.
3547 (BLOCK_LIVE_RANGE_END): Likewise.
3548 (tree_block): Remove live_range_flag, live_range_var_flag, and
3549 type_tags. Remove end_note, live_range_start, and live_range_end.
3550 (remember_end_note): Remove prototype.
3551 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
3552 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
3554 * ggc-common.c (ggc_mark_tree_children): Don't mark
3555 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
3556 * integrate.c (adjust_copied_decl_tree): Remove.
3557 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
3558 * stmt.c (last_block_end_note): Remove.
3559 (init_stmt): Don't add a GC root for it.
3560 (expand_fixup): Don't set it.
3561 (remember_end_note): Remove.
3562 (expand_end_bindings): Don't set last_block_end_note.
3564 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3566 * reload1.c (reload_reg_free_for_value_p): Show
3567 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
3570 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
3572 * expmed.c (extract_bit_field): Allow for the case of non-integer
3573 objects that are smaller than a word (like SFmode on a 64-bit
3576 * loop.c (basic_induction_var): A non-integer variable which is
3577 being set by a paradoxical subreg is probably not a biv.
3579 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3581 * prefix.c (translate_name) Check for empty prefix string.
3583 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
3585 * Makefile.in (CPP_CROSS_NAME): New variable.
3586 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
3588 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
3589 names of the files to be uninstalled.
3591 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
3593 * collect2.c (IS_DIR_SEPARATOR): Define.
3594 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
3596 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
3599 * haifa-sched.c (add_dependence): Update the true dependency
3600 cache the first time we add a true dependence to the LOG_LINKS chain.
3602 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
3604 * fold-const.c (fold): Fix comment.
3606 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3608 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
3609 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
3610 dbxout_start_new_source_file, dbxout_source_file,
3611 dbxout_source_line, dbxout_finish, dbxout_type_fields,
3612 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
3614 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
3615 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
3616 (dbxout_block): Initialize variable `blocknum'.
3618 * dbxout.h (dbxout_init, dbxout_finish,
3619 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
3620 dbxout_args, dbxout_source_line): Constify a char*.
3622 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
3623 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
3624 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
3625 low_pc_attribute, high_pc_attribute, body_begin_attribute,
3626 body_end_attribute, comp_dir_attribute, sf_names_attribute,
3627 src_info_attribute, mac_info_attribute, producer_attribute,
3628 lookup_filename, generate_macinfo_entry, fundamental_type_code,
3629 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
3630 dwarfout_undef): Constify a char*.
3631 (add_incomplete_type, retry_incomplete_types): Add prototypes.
3633 * dwarfout.h (dwarfout_define, dwarfout_undef,
3634 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
3636 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
3638 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
3639 (MULTILIB_ISA_DEFAULT): New.
3640 (MULTILIB_DEFAULTS): Use it.
3641 * config/mips/mips.c (): Remove the now unnecessary definition
3642 of MIPS_ISA_DEFAULT.
3643 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
3644 unnecessary definition.
3646 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
3648 * arm.md (pic_load_addr): Add constraints to operand 1.
3650 1999-10-25 Bruce Korb <autogen@linuxbox.com>
3652 * fixinc/genfixes: Provide a means for specifying -D options to
3655 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
3657 * arm.c (arm_override_options): Correct initialization of
3658 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
3659 arm_is_strong, and arm_is_6_or_7.
3661 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
3662 (note_set_pseudo_multiple_uses): New function.
3663 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
3664 if a pseudo set in the loop exit is used elsewhere.
3666 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
3668 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
3670 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
3672 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
3673 a single load-address pattern.
3675 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
3677 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
3678 depending on whether or not line-number notes are present.
3680 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3682 * cccp.c (progname, file_buf, default_include, include_file,
3683 macrodef, definition, hashval, wchar_type, user_label_prefix,
3684 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
3685 expand_to_temp_buffer, is_system_include, base_name,
3686 absolute_filename, read_name_map, open_include_file,
3687 record_control_macro, check_precompiled, check_preconditions,
3688 pcfinclude, pass_thru_directive, create_definition,
3689 check_macro_name, comp_def_part, collect_expansion,
3690 check_assertion, read_token_list, assertion_install,
3691 assertion_lookup, eval_if_expression, conditional_skip,
3692 validate_else, skip_quoted_string, quote_string, macarg1,
3693 error_from_errno, install, lookup, hashf, dump_defn_1,
3694 perror_with_name, pfatal_with_name, main, trigraph_pcp,
3695 check_white_space, rescan, handle_directive, monthnames,
3696 special_symbol, do_include, remap_include_file, write_output,
3697 arglist, do_assert, do_unassert, do_line, do_error, do_once,
3698 do_ident, do_sccs, do_xifdef, skip_if_group,
3699 output_line_directive, macroexpand, macarg, change_newlines,
3700 initialize_builtins, make_definition): Constify a char*.
3702 * pcp.h (stringdef): Likewise.
3704 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
3706 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
3709 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
3710 Richard Henderson <rth@cygnus.com>
3712 * alias.c: Include ggc.h.
3713 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
3714 (record_set): Verify enough room in reg_base_value.
3715 (init_alias_analysis): Allocate reg_base_value with xcalloc.
3716 Register it as a GC root.
3717 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
3718 * Makefile.in (alias.o): Depend on ggc.h.
3720 * unroll.c (unroll_loop): Verify the insn before a barrier
3721 is a JUMP_INSN before checking JUMP_LABEL.
3723 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3725 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
3726 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
3727 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
3728 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
3729 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
3730 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
3732 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3734 * output.h (ctors_section, dtors_section, bss_section): Prototype.
3736 * alpha/alpha-interix.h (text_section): Delete prototype.
3737 * alpha/elf.h (text_section): Likewise.
3738 * arm/linux-elf.h (text_section): Likewise.
3739 * arm/linux-telf.h (text_section): Likewise.
3740 * c4x/c4x.h (text_section): Likewise.
3741 * dsp16xx/dsp16xx.h (bss_section): Likewise.
3742 * elfos.h (text_section): Likewise.
3743 * i386/aix386ng.h (text_section): Likewise.
3744 * i386/i386-interix.h (text_section): Likewise.
3745 * i386/sco5.h (text_section): Likewise.
3746 * i386/svr3gas.h (text_section): Likewise.
3747 * nextstep.h (text_section): Likewise.
3748 * psos.h (text_section): Likewise.
3749 * ptx4.h (text_section): Likewise.
3750 * svr3.h (text_section): Likewise.
3751 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
3753 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3755 * final.c (peephole): Delete prototype.
3757 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
3758 (pre_insert_copies): Remove unused variable `bb'.
3760 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
3763 * output.h (peephole): Add prototype.
3765 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
3767 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
3770 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
3772 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
3773 for inlined declarations.
3775 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
3777 * arm.c (logical_binary_operator): New fucntion.
3778 * arm.h (logical_binary_operator): Declare it.
3779 (PREDICATE_CODES): Handle logical_binary_operator.
3780 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
3781 output constraints. Add appropriate splitters.
3782 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
3783 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
3784 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
3786 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3788 * genoutput.c (struct operand_data): New elt eliminable.
3789 (output_operand_data): Write it.
3790 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
3791 (compare_operands): Take it into account.
3792 * recog.h (struct insn_operand_data): New elt eliminable.
3793 * reload1.c (check_eliminable_occurrences, elimination_effects): New
3795 (old_asm_operands_vec, new_asm_operands_vec): Delete.
3796 (eliminate_regs): Move code that detects changes to elimination
3797 target regs into new function elimination_effects.
3798 Delete one #if 0 block.
3799 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
3800 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
3801 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
3802 Only call eliminate_regs for real operands of the insn, not for parts
3803 of its structure or parts matched by things like match_operator.
3804 Use elimination_effects and check_eliminable_occurrences. Use
3805 copy_insn to duplicate the pattern when not in the final pass.
3807 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
3809 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
3812 1999-10-22 Bruce Korb <autogen@linuxbox.com>
3814 * fixinc/README: document the "mach" machine matching test
3815 * fixinc/fixfixes.c: Implement the #else/#endif label fix
3816 * fixinc/fixtests.c: Implement the #else/#endif label test
3817 * fixinc/inclhack.def: utilize these tests and fixes
3818 * fixinc/inclhack.sh: regen
3819 * fixinc/fixincl.x: regen
3820 * fixinc/fixincl.sh: regen
3822 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
3824 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
3827 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
3829 * gcc.1: Document exit codes.
3831 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3833 * calls.c: Include tm_p.h later, so everything we need is defined.
3835 * function.c: Likewise.
3837 * except.c: Include tm_p.h.
3839 * sparc.c: Likewise.
3840 (dwarf2out_cfi_label): Don't prototype.
3841 (check_return_regs, epilogue_renumber,
3842 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
3843 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
3844 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
3845 ultra_schedule_insn): Add static prototype.
3846 (data_segment_operand, text_segment_operand): Call itself with the
3847 proper number of arguments.
3848 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
3850 * sparc.h: Move all declarations to sparc-protos.h.
3851 (SELECT_RTX_SECTION): Pass a missing MODE argument to
3854 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
3856 * config/svr4.h (text_section, ctors_section, dtors_section): Add
3858 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
3859 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
3860 ASM_OUTPUT_ASCII): Constify a char*.
3862 * sparc-protos.h: New file for sparc prototypes.
3864 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3866 * function.c (record_insns, contains): Always declare and define.
3867 (record_insns): Mark with ATTRIBUTE_UNUSED.
3869 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
3871 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
3872 to .section when outputting a .bss section to deal with multiple
3873 .bss input sections (as happens with -fdata-sections)
3874 Also output %progbits, not @progbits so the assembler doesn't treat as
3876 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
3878 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
3879 thumb parts even when building with non-thumb CPUs, by forcing
3882 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
3884 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
3885 (movdf_const_intreg_sp64): Similarly.
3887 * local-alloc.c (update_equiv_regs): Check the correct insn
3888 for pre-existing REG_EQUIV notes.
3890 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
3892 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
3893 block reached by a branch if we're not going to actually process
3896 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
3898 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
3899 a local extern function declaration.
3901 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
3903 * i386.c (ix86_expand_prologue): Properly wrap USE around
3904 reg for CALL_INSN_FUNCTION_USAGE.
3906 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
3908 * config/mips/mips.md (movdf_internal1a): Allow floating-point
3909 move between GP_REGs.
3911 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
3913 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
3914 the mode size when finding out if an offset is legal.
3916 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
3918 * basic-block.h (PROP_*): Move constants from ...
3920 (compute_bb_for_insn): Free the array before reallocating.
3921 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
3922 (allocate_reg_life_data): Reset all reg variables collected by
3924 (get_block_head_tail): Don't convert from bb to block.
3925 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
3926 (find_insn_reg_weight): Take block not bb.
3927 (schedule_block): Don't set block num for moved insns.
3928 (schedule_region): Don't update_life_info or find_insn_reg_weight.
3929 (schedule_insns): Do it here instead.
3930 * combine.c (combine_instructions): Invoke compute_bb_for_insn
3931 before update_life_info.
3932 * recog.c (split_all_insns, peephole2_optimize): Update for
3933 new arg to update_life_info.
3934 * rtlanal.c (remove_note): Cope with NULL note.
3935 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
3938 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
3940 * jump.c (jump_optimize_1): More accurately detect casesi insns.
3942 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
3943 block records so that merge_blocks_nomove will clean up correctly.
3944 (split_edge): Handle casesi insns.
3946 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
3948 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
3950 * pa.md (call, call_value): Do not emit a blockage after restoring
3953 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
3955 * c-typeck.c (c_expand_asm_operands): Fix typo.
3957 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3959 * arm.c (fpu_rhs_operand): Verify modes.
3960 (fpu_add_operand): Likewise.
3961 (di_operand): Likewise.
3962 (soft_df_operand): Likewise.
3964 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
3966 * arm.c (arm_return_in_memory): APCS rules state that the elements
3967 of a structure returned in a register must be 'integer-like'.
3969 1999-10-19 Bruce Korb <autogen@linuxbox.com>
3971 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
3972 in the source tree when the generated targets are out of date
3973 * fixinc/genfixes: Alter it to run individual fixes for make.
3974 * fixinc/README: rewrite
3975 * fixinc/inclhack.def: moved initial comments to README
3977 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
3979 * toplev.c (main): Do not generate an error message if an
3980 unrecognised command line switch is recognisable by another
3981 language. If extra_warnings are enabled, then generate a
3982 warning message instead.
3984 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
3986 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
3987 (insert_pack_attributes): Delete prototype.
3989 * c-pragma.c (default_alignment): New static variable.
3990 (push_alignment): Initialize to current effective alignment.
3991 (pop_alignment): Use to set new alignment.
3992 (insert_pack_attributes): Delete function.
3993 (handle_pragma_token): Set default_alignment as well each time
3994 a #pragma pack(<n>) is encountered.
3996 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
3998 * reg-stack.c (stack_result): Aggregates are not returned in
4001 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
4003 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
4005 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
4007 * basic-block.h (set_block_num): Declare.
4008 * flow.c (update_life_info): Don't call compute_bb_for_insn
4009 or free_basic_block_vars.
4010 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
4011 (insn_orig_block): Remove.
4012 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
4013 (schedule_block): Keep BLOCK_NUM up-to-date.
4014 (schedule_insns): Use compute_bb_for_insn.
4015 * recog.c (split_all_insns): Likewise.
4016 (peephole2_optimize): Likewise.
4018 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
4020 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
4021 if the pic register is used.
4023 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4025 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
4026 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
4027 if that tests TREE_PERMANENT.
4029 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
4031 * cse.c (invalidate_for_call): Do not remove memory references from
4032 the table here. It's handled elsewhere.
4034 * haifa-sched.c (add_dependence): Protect references to the
4035 true dependency cache with #ifdef INSN_SCHEDULING.
4036 (remove_dependence): Similarly.
4038 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
4039 to the cfg code that this is a return instruction.
4040 * mn10300.md (return_internal): Similarly.
4042 * combine.c (get_last_value): If the last set of a register
4043 is after subst_low_cuid, then we can not use it to determine
4044 the register's last value.
4046 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
4048 * Makefile.in: Back out previous change.
4050 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
4052 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
4054 * haifa-sched.c (add_dependence): Only check/update the cache
4056 (remove_dependence): Likewise.
4057 (schedule_insns): Only create the true_dependency_cache if the
4058 average number of instructions in a basic block is very large.
4060 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
4062 * Makefile.in (ggc-common.o): Depend on genrtl.h.
4063 (ggc-simple.o): Likewise.
4064 (ggc-page.o): Likewise.
4066 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
4068 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
4069 Prototype for exported functions.
4070 (pre_lcm, pre_rev_lcm): Remove prototypes.
4071 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
4072 (compute_available): Move to lcm.c, and change parameter order.
4073 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
4074 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
4075 (gcse_main): No longer call compute_preds_succs. Rebuild the
4076 set table after reach pre pass.
4077 (pre_insert_map, pre_delete_map, edge_list): New.
4078 (alloc_pre_mem): Allocate edge vectors.
4079 (free_pre_mem): Delete edge vectors.
4080 (compute_pre_data): Call new edge based lcm routines.
4081 (process_insert_insn): New function.
4082 (insert_insn_end_bb): Use it.
4083 (pre_edge_insert): New function.
4084 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
4086 (pre_insert_copies): Revamp using new edge based lcm outputs.
4087 (pre_delete): Likewise.
4088 (one_pre_gcse_pass): Insert & remove fake edges to the exit
4090 (compute_code_hoist_vbeinout): New new edge based routines.
4091 * lcm.c: Remove all the old LCM functions. Replace with new ones
4092 that work with the new cfg datastructures and work with edges
4095 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4097 * reload.h (struct reload): Add new fields "mode" and "nregs".
4098 * reload1.c: Change all occurrences of reload_mode and reload_nregs
4099 to reference the "mode" and "nregs" field within struct reload.
4101 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
4103 * haifa-sched.c (true_dependency_cache): New.
4104 (add_dependence): Use the true dependency cache to avoid expensive
4105 walks down the LOG_LINKS dependency list. Add entries to the
4107 (remove_dependence): Remove entries from the true dependency cache
4109 (schedule_insns): Allocate and initialize and free the true
4112 * haifa-sched.c (schedule_insns): Do not remove inter-block
4113 dependencies anymore.
4115 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
4117 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
4118 * i386/t-winnt: Likewise.
4120 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
4122 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
4124 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
4126 * Makefile.in (LANGUAGES): Omit "proto".
4127 (clean): Remove stale comment about removing unprotoize.c.
4129 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4131 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
4132 using arithmetic on void pointers.
4134 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
4136 * haifa-sched.c (compute_block_forward_dependencies): Only check
4137 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
4139 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
4141 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
4142 (expr_equiv_p): Reject memories with different alias sets.
4144 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
4146 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
4147 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
4148 (f_options): Add "bounded-pointers" and "bounds-check" entries.
4149 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
4150 (lang_init): Set default for flag_bounds_check if still "unspecified".
4152 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4154 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
4156 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4158 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
4161 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4163 * config/c4x/c4x.md (*db_noclobber,
4164 *decrement_and_branch_until_zero_noclobber): New patterns and
4165 associated splitters.
4167 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4169 * config/c4x/c4x.md (parallel instruction patterns): Rework
4170 constraints to keep reload happy.
4172 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4174 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
4175 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
4176 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
4177 Add new patterns and associated post-reload splitters.
4179 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4181 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
4183 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4185 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
4187 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
4189 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4191 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
4194 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
4196 * pa.c (move_operand): Rely on memory_address_p to determine the
4197 validity of non-indexed memory addresses.
4198 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
4199 operand in DFmode and SFmode when generating PA2.0 code.
4201 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
4203 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
4205 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
4207 * mips.c (function_prologue): Fix argument types.
4208 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
4209 (casesi_internal): Write to the scratch register.
4211 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
4213 * cppexp.c (cpp_parse_escape): Make static. Change second arg
4215 (parse_charconst): Delete unnecessary cast when calling
4217 (cpplib.h): Kill prototype of cpp_parse_escape.
4219 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
4221 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
4222 * unroll.c (unroll_loop): Cast return value of alloca.
4223 * i370/i370.c: Include function.h and toplev.h.
4224 (i370_label_scan): Remove c++ commented abort.
4225 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
4226 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
4227 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
4228 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
4230 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
4232 * config/t-freebsd: Do not override USER_H.
4233 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
4235 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
4236 Mumit Khan <khan@xraylith.wisc.edu>
4238 * c-parse.in (component_decl): Support anonymous struct/union.
4240 * c-parse.y: Regenerate.
4241 * c-parse.c: Likewise.
4242 * objc/objc-parse.y: Likewise.
4243 * objc/objc-parse.c: Likewise.
4244 * c-decl.c (finish_struct): Don't sort the fields.
4245 (field_decl_cmp): Delete unused function.
4247 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
4249 * sparc.md (movsf_const_intreg): Revert last constraint change.
4250 (movdf_const_intreg_sp32): Likewise.
4252 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
4254 * cse.c: Include hashtab.h instead of splay-tree.h
4255 (struct cse_reg_info): No longer use variant union. Add new
4256 field "regno". All references changed to avoid union.
4257 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
4258 (free_cse_reg_info): Remove.
4259 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
4260 (get_cse_reg_info): Revamp to use expandable hash tables instead
4261 of splay trees. Initialize new fields in cse_reg_info structure.
4262 (new_basic_block): Similarly.
4264 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
4266 * genrecog.c (message_with_line): Prototype.
4267 (validate_pattern): Pass along the set for the dest, not a flag.
4268 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
4269 Check for PC/CC0 as sources.
4270 (nodes_identical): Check for children position match before
4271 allowing the combination.
4273 * rtl.c (read_rtx): Track line number across \\\n.
4275 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
4277 * mips.h (SPECIAL_MODE_PREDICATES): New.
4278 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
4279 (movdi+1, movsi+1): Add output reload constraint.
4280 (casesi_internal): Likewise. Fix commentary.
4281 (return_internal): Use pmode_register_operand.
4283 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
4285 * 1750a.md (movstrqi): Add missing output reload constraint.
4286 (call_value): Likewise.
4287 * a29k.md (cpxxx patterns): Add missing match_operator mode.
4288 (jmpfdec): Add missing inout reload constraint.
4289 * elxsi.md (addsi patterns): Add missing output reload constraint.
4290 (move from sp): Use @ alternates.
4291 (call_value): No constraint on output.
4292 * fr30.md (movsi_pop): Add missing output reload constraint.
4293 (movsf_constant_store): Likewise.
4294 (splits): Remove constraints.
4295 (subsi3): Add missing mode.
4296 * i370.md (cmpstrsi+1): Add missing output reload constraint.
4297 (call_value): Likewise.
4298 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
4299 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
4300 * m32r.md (movsicc_internal): Add output reload constraint.
4301 (movstrsi_internal): Add inout reload constraints.
4302 * m88k.h (reg_names): Don't declare.
4303 (SPECIAL_MODE_PREDICATES): New.
4304 * m88k.md (*): Use register_operand not reg_or_0_operand
4306 * mn10200.h (PREDICATE_CODES): New.
4307 * ns32k.md (ffs pattern): Add output reload constraint.
4308 * pdp11.md (sob pattern): Add inout reload constraint.
4309 * sh.md (splits): Remove constraints.
4310 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
4311 * v850.md (pattern_is_ok_for_epilogue): Likewise.
4312 * vax.md (jgequ pattern): Add inout reload constraint.
4314 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
4316 * configure.in (djgpp): Revert previous patch.
4317 * configure: Rebuit.
4318 * config/i386/djgpp.h: Revert previous patch.
4320 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
4322 * fixinc/inclhack.def: Restore patch lost during last merge of
4323 "no_bogosity" branch.
4324 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
4326 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
4328 * fixincludes: Add a HPUX 11 fix for inttypes.h.
4329 * fixinc/inclhack.def: Same.
4330 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
4332 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
4334 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
4335 as the base of a PLUS.
4337 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4339 * config/c4x/c4x.md: Define mode for remaining unspec operators.
4340 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
4342 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
4344 * pa.md (post_stw+1): Use pmode_register_operand.
4345 (dcacheflush, icacheflush): Likewise.
4347 * i386.md (movstricthi_1): Allow r/r.
4349 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
4351 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
4352 to (not (and (arg0) (arg1))). Similary for and.
4354 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
4355 falltrought to assocate code.
4356 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
4359 * combine.c (simplify_logical): Convert XOR to IOR if operands have
4360 no bits in common; remove XOR to ROTATE conversion.
4362 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4364 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
4366 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4368 * config/c4x/c4x.c (dst_operand): New.
4369 (PREDICATE_CODES): Update.
4370 * config/c4x/c4x.h (dst_operand): Declare it.
4371 * config/c4x/c4x.md: Define mode for each unspec usage.
4372 (move patterns): Use dst_operand predicate instead of src_operand.
4373 (movqi_update, movqf_update): Delete.
4375 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
4377 * recog.c (pmode_register_operand): New.
4378 * recog.h: Declare it.
4379 * genrecog.c (pred_codes): Likewise.
4380 (special_mode_pred_table): Likewise.
4381 (validate_pattern): Don't warn no mode for address_operand.
4383 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
4384 if the operand is not insn-like.
4386 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
4387 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
4389 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
4391 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
4393 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
4394 instead of general_operand in a SET_DEST. Use const_double_operand
4395 instead of an explicit test against CONST_DOUBLE.
4396 (movsf_const_lo): Add missing register mode.
4397 (goto_handler_and_restore): Add auxiliary test for Pmode.
4398 (flush): Adjust to use address_operand.
4399 (return_sf_no_fpu): Add missing output constraint.
4401 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
4403 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
4404 for call return value.
4405 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
4407 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
4409 * toplev.c (main): Only warn about options for other languages.
4410 * collect2.c (main): Pass -w to sub-gcc.
4412 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
4414 * flow.c (propagate_block): Add call-clobbered registers to
4417 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
4418 zapping mem_set_list.
4419 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
4420 (mark_set_1, mark_used_regs): Likewise.
4422 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
4424 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
4426 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4428 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
4429 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
4430 options. Also add a new item "C-only Warning Options" to the
4433 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
4435 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
4436 from multiple calls.
4438 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
4440 * i386.md (call value patterns): Move to the end of the file.
4441 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
4443 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
4445 * configure.in (djgpp configuration): Define extra_objects..
4446 * configure: Rebuilt.
4447 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
4448 (DTORS_SECTION_ASM_OP): Define.
4449 (INIT_SECTION_ASM_OP): Define.
4450 (FINI_SECTION_ASM_OP): Define.
4451 (DATA_SECTION_ASM_OP): Define.
4452 (TEXT_SECTION_ASM_OP): Define.
4453 (EH_FRAME_SECTION_ASM_OP): Define.
4454 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
4455 (STARTFILE_SPEC): Add crtbegin.o.
4456 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
4457 to here from LINK_COMMAND_SPEC.
4458 (DO_GLOBAL_CTORS_BODY): Define.
4459 (CRTSTUFF_USE_FINI_SECTION): Define
4460 (HAS_INIT_SECTION): Delete.
4462 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
4464 * Makefile.in (all.cross): Depend on xcpp$(exeext).
4466 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
4468 * pa.h (PREDICATE_CODES): New.
4470 * genrecog.c (validate_pattern): Condense the destination
4473 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
4475 * alpha.md (call-1): Supply missing mode for operator.
4476 (*): Add missing output reload constraints. Remove constraints
4479 * i386.h (SPECIAL_MODE_PREDICATES): New.
4480 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
4481 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
4482 (addsi_lea_3): Add missing mode for op 3.
4483 (prologue_set_got, prologue_get_pc): Add missing modes.
4484 (*) Add missing output reload constraints.
4486 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
4488 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
4489 check for member bit-size overflow and use var_size if it occurs.
4490 (layout_record): Use bitsize_int() to define the type size in bits.
4491 Likewise for computation and assignment to DECL_FIELD_BITPOS.
4492 (layout_decl): Likewise when assigning to DECL_SIZE.
4494 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
4496 * genrecog.c (validate_pattern): Typo last change. Verify
4497 that output operands have output reloads.
4499 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
4501 * genrecog.c (special_mode_pred_table): New.
4502 (NUM_SPECIAL_MODE_PREDS): New.
4503 (find_operand): New.
4504 (validate_pattern): New argument `insn'. Warn for assignment to
4505 any predicate accepting non-lvalues. Conditionaly warn for
4506 match_operand without a mode. Try much harder to match source
4507 and destination modes on a set.
4508 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
4510 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
4512 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
4514 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
4516 * combine.c (simplify_logical): Recognize xor pattern that encodes
4519 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4521 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
4524 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
4526 * ggc-page.c (MAP_FAILED): Provide default.
4528 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
4530 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
4531 * sparc.h (PREDICATE_CODES): Update.
4533 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
4535 * alpha.c (some_ni_operand): New.
4536 * alpha-protos.h: Declare it.
4537 * alpha.h (PREDICATE_CODES): Update.
4538 * alpha.md (sXaddq reload insns): Use some_ni_operand
4539 for SET_DEST instead of some_operand.
4541 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
4542 Jim Wilson <wilson@cygnus.com>
4544 * genrecog.c (maybe_both_true_2): Don't compare modes of
4546 (process_tree): Elide peephole2_insns. Invoke simplify_tests
4547 after find_afterward.
4548 (debug_decision_1): Dump next and afterward codes.
4550 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
4552 * rtl.c (dump_and_abort): Remove.
4553 (fatal_with_file_and_line): New.
4554 (fatal_expected_char): New.
4555 (read_rtx_lineno, read_rtx_filename): New.
4556 (read_skip_spaces): Track line number.
4557 (read_name): Use fatal_with_file_and_line.
4558 (read_rtx): Use fatal_expected_char. Track line number.
4559 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
4561 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
4562 if it isn't a CODE_LABEL.
4564 * genattr.c (main): Set read_rtx_filename.
4565 * genattrtab.c (main): Likewise.
4566 * gencodes.c (main): Likewise.
4567 * genconfig.c (main): Likewise.
4568 * genemit.c (main): Likewise.
4569 * genextract.c (main): Likewise.
4570 * genflags.c (main): Likewise.
4571 * genopinit.c (main): Likewise.
4572 * genoutput.c (main): Likewise.
4573 * genpeep.c (main): Likewise.
4575 * genrecog.c (decision_test.u.insn): Add `lineno'.
4576 (pattern_lineno, error_count): New variables.
4577 (message_with_line): New.
4578 (add_to_sequence): Break out checking code to ...
4579 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
4580 (merge_insn): Use message_with_line.
4581 (make_insn_sequence): Use validate_pattern. Record insn lineno.
4582 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
4584 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4586 * expr.c (store_constructor): Clear union if constructor is empty.
4588 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
4590 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
4591 Add !endian checks. Change %{...} to %(...).
4593 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
4595 * i386.md (*addsi3_cc): Renamed from addcsi3.
4596 (*addsi3_carry): Renamed from addxsi3.
4597 (*subsi3_cc): Renamed from subcsi3.
4598 (*subsi3_carry): Renamed from subxsi3.
4599 (*xorqi_cc_1): Renamed from xorcqi_1.
4600 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
4601 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
4603 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
4605 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
4606 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
4608 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
4610 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
4611 climb up the chain of insns.
4613 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
4615 * genrecog.c (write_subroutine): Careful for null trees.
4616 (process_tree): Don't elide empty functions.
4618 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
4620 * Makefile.in (genrtl.o): Depend on ggc.h.
4621 * configure.in (valloc): Probe for it.
4622 (with-gc): Use ggc-page if valloc present.
4623 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
4624 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
4625 (ggc_alloc_string): Moved from ggc-page.c.
4626 * ggc-none.c (ggc_alloc_obj): New.
4627 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
4628 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
4629 (struct globals): Likewise for dev_zero_fd.
4630 (init_ggc): Likewise for it's initialization.
4631 (ggc_allocated_p): Move careful dereference from ...
4632 (ggc_lookup_page_table): ... here. Delete.
4633 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
4634 (alloc_anon): Use valloc if no mmap.
4635 (release_pages): Use free if using valloc.
4636 (ggc_alloc_obj): Renamed from alloc_obj.
4637 (ggc_set_mark): Renamed from mark_obj.
4638 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
4639 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
4640 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
4641 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
4642 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
4643 (ggc_collect): Use fp printing instead of our own rounding.
4644 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
4645 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
4646 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
4647 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
4648 (struct ggc_string, struct ggc_any): Delete.
4649 (offsetof): Provide default definition.
4650 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
4652 (struct ggc_mem): New, from corpse of ggc_any.
4653 (struct ggc_status): Delete.
4654 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
4655 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
4656 (n_strings_collected, n_anys_collected): Delete.
4657 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
4658 (ggc_alloc_string, ggc_alloc): Delete.
4659 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
4660 (ggc_free_string, ggc_free_any): Delete.
4661 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
4662 (ggc_compare_addresses, ggc_mark_string): Delete.
4663 (ggc_mark_string_if_gcable, ggc_mark): Delete.
4664 (search_data): Delete.
4665 (struct globals): New.
4666 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
4667 (tree_insert, tree_lookup): New.
4668 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
4669 (clear_marks, sweep_objs): New.
4670 (ggc_collect): Gut. Use clear_marks, sweep_objs.
4671 (init_ggc): Set allocated_last_gc.
4672 (ggc_push_context): Gut. Use G.context.
4673 (ggc_pop_context): Likewise.
4674 (ggc_pop_context_1): New.
4675 (debug_ggc_tree): New.
4676 (debug_ggc_balance, tally_leaves): New.
4677 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
4678 (ggc_mark_string_if_gcable): Remove decl.
4679 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
4680 (ggc_mark_rtvec_children): New.
4681 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
4682 (ggc_mark_if_gcable): New decl.
4683 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
4684 (ggc_alloc_tree, ggc_alloc): Likewise.
4685 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
4686 (ggc_alloc_obj): New decl.
4687 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
4688 (ggc_alloc_tree, ggc_alloc): Likewise.
4689 (ggc_set_mark): New decl.
4690 * rtl.h (struct rtx_def): Remove gc_mark.
4691 (struct rtvec_def): Likewise.
4692 * tree.h (struct tree_common): Likewise.
4694 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
4696 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
4697 float_format and thread_file definitions.
4698 * configure: Rebuilt.
4700 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
4702 * extend.texi (Function Names): Document types of function names.
4704 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4706 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
4707 an earlyclobbered output conflict with RELOAD_INPUT reloads.
4709 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4711 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
4713 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4715 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
4717 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
4719 * collect2.c (main): Do prelimnary link on AIX if rflag.
4721 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
4723 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
4724 __CTOR_LIST__ in opposite order, which is the correct order for sorted
4726 (__do_global_dtors): similarly for __DTOR_LIST__.
4728 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4729 Diego Novillo <dnovillo@cygnus.com>
4731 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
4734 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
4736 * fixincl/*: Merged "no_bogosity" branch
4737 * fixincl/fixlib.h: protect against doubly defining t_bool
4738 * fixincl/server.h: protect against doubly defining t_bool
4740 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
4742 * genoutput.c: Include toplev.h.
4744 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
4746 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
4748 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
4749 * configure: Regenerate.
4751 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
4753 * gcse.c (delete_null_pointer_checks): Returns void.
4755 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4757 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
4758 * emit-rtl.c (copy_insn_1): Likewise.
4760 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
4762 * config/mips/mips.c (mips_build_va_list): Correct
4763 TREE_CHAIN setting when hard-float.
4764 (mips_va_start): Use corrected setting.
4765 (mips_va_arg): Likewise. Also pass a tree to build of
4766 POSTINCREMENT_EXPR rather than a naked 'int'.
4768 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
4770 * ggc.h (ggc_push_context): Fix comment.
4771 (ggc_pop_context): Likewise.
4772 (mark_string_if_gcable): Likewise.
4773 * ggc-common.c (ggc_mark_rtx_children): Use
4774 ggc_mark_string_if_gcable.
4775 * ggc-page.c (ggc_lookup_page_table): New function.
4776 (ggc_allocated_p): Likewise.
4777 (mark_obj): Fix formatting.
4778 (ggc_mark_string_if_gcable): New function.
4779 * ggc-simple.c (ggc_allocated_strings): New variable.
4780 (ggc_strings_used): Likewise.
4781 (ggc_compare_addresses): New function.
4782 (ggc_pop_context): Pop the `any' memory too.
4783 (ggc_mark_string_if_gcable): New function.
4784 (ggc_collect): Initialize and tear down ggc_allocated_strings.
4786 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
4788 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
4789 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
4790 * rs6000.c (expand_block_move): Match movstrsi_?reg register
4793 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
4795 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
4796 (sched_reg_live_length, sched_reg_basic_block): Delete.
4797 (current_block_num, bb_live_regs, old_live_regs): Delete.
4798 (dead_notes, struct sometimes): Delete.
4799 (sched_note_set, birthing_insn_p): Delete.
4800 (adjust_priority): Gut useless reg lifetime code.
4801 (create_reg_dead_note, attach_deaths): Delete.
4802 (attach_deaths_insn, new_sometimes_live): Delete.
4803 (finish_sometimes_live): Delete.
4804 (find_pre_sched_live, find_post_sched_live): Delete.
4805 (update_reg_usage): Delete.
4806 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
4807 (schedule_insns): Delete reg lifetime code.
4808 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
4809 (unlink_other_notes): Adjust REG_NOTE commentary.
4810 (reemit_notes): Use REG_SAVE_NOTE.
4811 (schedule_block): Likewise.
4812 (schedule_region): Allocate bitmap of blocks in region. Use
4813 count_or_remove_death_notes. Use update_life_info.
4815 * rtl.h (REG_SAVE_NOTE): New.
4816 * rtl.c (reg_note_name): Update.
4818 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
4820 * combine.c (refresh_blocks, need_refresh): New.
4821 (combine_instructions): Allocate refresh_blocks. Invoke
4822 update_life_info if needed.
4823 (distribute_notes): Mark refresh_blocks instead of installing
4825 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
4826 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
4828 * Makefile.in (recog.o): Depend on basic-block.h.
4830 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
4832 * genrecog.c (add_to_sequence): Thinko last change: delete
4833 shadowing allow_const_int variable.
4835 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4837 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
4838 __GNUC__ and __GNUC_MINOR__.
4840 * gansidecl.h: Likewise.
4846 * toplev.h: Likewise.
4852 * varray.c: Likewise.
4854 * varray.h: Likewise.
4856 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4858 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
4859 use one before a jump table.
4861 * rtl.def (ADDRESS): Change documentation to match reality.
4862 * md.texi: Don't document it.
4863 * gmicro.md (load address pattern): Use 'p' constraint, delete use
4866 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
4868 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
4870 * genrecog.c (add_to_sequence): Move allow_const_int test outside
4871 known predicate block; default allow_const_int true.
4872 (debug_decision_list): New.
4874 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
4876 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
4878 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
4880 * gcse.c (gcse_main): Avoid global optimizations if we have a
4881 large number of basic blocks and the ratio of edges to blocks
4883 (delete_null_pointer_checks): Likewise.
4885 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
4887 * c-common.c (check_format_info): Warn if format string isn't a
4890 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
4892 * configure.in (arm*-*-*): Don't let autoconf remove brackets
4893 * configure: regenerate
4895 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
4897 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
4898 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
4899 (peepholes): Re-enable.
4901 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
4903 * Makefile.in (flow.o): Depend on TREE_H.
4904 * basic-block.h (REG_SET_EQUAL_P): New.
4907 (free_regset_vector): Remove declaration.
4908 (flow_delete_insn_chain): Declare.
4909 (enum update_life_extent): New.
4910 (update_life_info, count_or_remove_death_notes): Declare.
4911 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
4912 Verify register live at bb->global_live_at_start before adding USE.
4913 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
4914 (CLEAN_ALLOCA): New.
4916 (PROP_*): New flags.
4917 (find_basic_blocks_1): Use alloc_EXPR_LIST.
4918 (clear_edges): Zero n_edges.
4919 (make_edge): Increment n_edges.
4920 (split_edge): Don't allocate bb->local_set. Increment n_edges.
4921 (flow_delete_insn_chain): Export.
4922 (delete_block): Decrement n_edges.
4923 (merge_blocks_nomove): Likewise.
4924 (life_analysis): Give life_analysis_1 PROP flags.
4925 (verify_wide_reg_1, verify_wide_reg): New.
4926 (verify_local_live_at_start): New.
4927 (update_life_info): Rewrite to call into propogate_block.
4929 (mark_regs_live_at_end): After reload, if epilogue as rtl,
4930 always mark stack pointer. Conditionally mark PIC register.
4931 After reload, mark call-saved registers, return regsiters.
4932 (life_analysis_1): Accept PROP flags not remove_dead_code.
4933 Call mark_regs_live_at_end before zeroing regs_ever_live.
4934 Use calculate_global_regs_live. Copy global_live_at_end before
4935 calling final propagate_block. Zero reg_next_use on exit.
4936 (calculate_global_regs_live): New.
4937 (allocate_bb_life_data): Don't allocate bb->local_set.
4938 (init_regset_vector, free_regset_vector): Remove.
4939 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
4940 Test flags before every operation. Warn if prologue/epilogue insn
4941 would have been deleted.
4942 (mark_set_regs, mark_set_1): Accept and use FLAGS.
4943 Use alloc_EXPR_LIST.
4944 (mark_used_regs): Accept and use FLAGS, not FINAL.
4945 Remove special handling for RETURN.
4946 (try_pre_increment): Use alloc_EXPR_LIST.
4947 (dump_flow_info): Dump n_edges.
4948 (unlink_insn_chain, split_hard_reg_notes): Remove.
4949 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
4950 (find_insn_with_note, new_insn_dead_notes): Remove.
4951 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
4952 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
4953 (replace_insns): Remove.
4954 (count_or_remove_death_notes): New.
4955 (verify_flow_info): Abort on error after all checks.
4956 (remove_edge): Decrement n_edges.
4957 (remove_fake_edges): Tweek format.
4958 * haifa-sched.c (schedule_insns): Use split_all_insns.
4959 * output.h (update_life_info): Remove declaration.
4960 * recog.c (split_all_insns): From the corpse of split_block_insns,
4961 do the whole function block by block. Use update_life_info.
4962 (recog_last_allowed_insn): New.
4963 (recog_next_insn): Mind it.
4964 (peephole2_optimize): Set it. Walk backwards through blocks.
4965 Use update_life_info.
4966 * rtl.h (update_flow_info, replace_insns): Remove declarations.
4967 (split_all_insns): Declare.
4968 * toplev.c (rest_of_compilation): Thread prologue before flow2.
4969 Use split_all_insns.
4971 * i386.md (or -1 peep2s): Disable.
4973 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
4975 * config/mips/mips.md (movstrsi+[123]) : Combine these into
4976 a single pattern. Scrap the 'd' versions as unnecessary.
4978 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
4979 tablejump_mips162,tablejump_internal4): The operands to a
4980 label_ref must be VOIDmode.
4982 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4984 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
4986 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
4988 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
4990 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
4992 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
4993 cache every function if ggc_p.
4995 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4997 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
4998 instead of copy_rtx. Accept sequences that contain asm statements.
4999 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
5000 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
5001 orig_asm_operands_vector, copy_asm_operands_vector,
5002 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
5004 * rtl.h (copy_insn, copy_insn_1): Declare.
5006 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5008 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
5010 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
5011 arguments to `current_file_function_operand'.
5013 * genrecog.c: Include hard-reg-set.h and resource.h in the
5014 generated output file.
5016 * real.c: Include tm_p.h.
5018 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5020 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
5023 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
5025 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
5026 before the fctiwz insn.
5028 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5029 Mark Mitchell <mark@codesourcery.com>
5031 * tree.c (make_lang_type_fn): New funtion pointer.
5032 (make_lang_type): Call it.
5033 * tree.h (make_lang_type): Declare.
5034 (make_lang_type_fn): Likewise.
5035 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
5037 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
5039 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
5040 make sure that HIGH instructions are copied into BASE_REGS.
5042 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
5044 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
5046 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
5048 * c-decl.c (finish_struct): Use simpler method of
5049 removing elements of a singly-linked list.
5051 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
5053 * alpha.md (peephole2's): Comment out peephole2's that generate
5056 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
5058 * genrecog.c (add_to_sequence): Disable mode check for
5061 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5063 * ggc-simple.c (init_ggc): Set empty_string.
5065 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
5067 * configure.in: Detect mmap. Add --with-gc=foo to select
5068 garbage collector; default to page if mmap available.
5069 * Makefile.in (GGC): Substitute.
5071 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
5073 * c-decl.c (ggc_p): Enable.
5075 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5077 * flow.c (verify_flow_info): Make it extern & unconditionally define.
5079 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
5081 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
5082 string for little-endian-data.
5084 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
5086 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
5087 case somebody tries to compile --enable-checking code with gcc
5090 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
5092 * genrecog.c (add_to_sequence): Verify operand to label_ref is
5095 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
5097 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
5098 * jump.c (jump_optimize_1): Document why.
5100 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5102 * collect2.c (scan_prog_file, scan_libraries): Prototype function
5103 pointers and casts for `int_handler' and `quit_handler'.
5105 * flow.c (verify_flow_info, split_hard_reg_notes,
5106 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
5107 remove_edge, remove_fake_successors): Add static prototypes.
5108 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
5109 (mark_set_1): Initialize variable `regno'.
5110 (unlink_insn_chain): Likewise for variable `curr'.
5111 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
5113 * loop.c (strength_reduce): Initialize variable
5114 `unrolled_insn_copies'.
5115 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
5116 prototypes. Change these functions to take const PTR parameters
5117 to avoid prototype conflict when used as the comparson argument
5119 (check_dbra_loop): Initialize variable `comparison_val'.
5121 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
5122 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
5123 (find_valid_class): Initialize variable `best_class'.
5124 (find_reloads): Call memcpy, not bcopy.
5126 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
5127 (hard_reg_use_compare): Don't needlessly cast away const.
5128 (reload_reg_class_lower): Likewise.
5129 (choose_reload_regs): Initialize variable `regno'.
5131 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
5133 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
5135 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
5137 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
5138 ({,d}discard): Add forward declarations. Declare parameter as
5140 (main_without_main): Explicitly declare return type to be int.
5141 (memcpy): Properly declare.
5143 * libgcc2.c (toplevel): If inhibit_libc is defined and not
5144 building the trampoline support, declare malloc, free, and
5146 (__clear_cache): Mark arguments as potentially unused.
5148 * frame.c (toplevel): If inhibit_libc is defined, declare
5151 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
5153 * flow.c (make_edge): Accept an optional 2D bitmap in which
5154 to cache edge existence. Update all callers.
5155 (make_label_edge, make_eh_edge): Pass through the edge cache.
5156 (make_edges): Provide the cache.
5158 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5160 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
5162 (local_mbtowc): Change the type of variable `i' from int to size_t.
5164 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
5165 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
5167 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
5169 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
5170 after other includes that define the appropriate types. Include
5171 tm_p.h for getting user prototypes.
5172 * ggc-callbacks.c (toplevel): Ditto.
5173 * ggc-none.c (toplevel): Ditto.
5174 * gcc-page.c (toplevel): Ditto.
5175 * ggc-simple.c (toplevel): Ditto.
5177 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
5178 Jonathan Larmour <jlarmour@cygnus.co.uk>
5180 * config/mips/mips.c (mips_move_2words): Split doubles if
5181 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
5183 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
5185 * genrecog.c (struct decision_test): New.
5186 (struct decision): Remove test-related members, sort the rest by size.
5187 (IS_SPLIT): Simplify.
5188 (new_decision, new_decision_test): New.
5189 (add_to_sequence): Use them. No special handling for args of
5191 (maybe_both_true): Renamed from not_both_true; return sense changed.
5192 (maybe_both_true_1, maybe_both_true_2): New. Broken out
5193 of maybe_both_true and adjusted for decision_test.
5194 (position_merit): Remove.
5195 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
5196 (merge_accept_insn): New, broken out of merge_trees.
5197 (merge_trees): Use them. No special case for c_test; no node
5198 splitting; use test type instead of position_merit.
5199 (factor_tests): New.
5200 (simplify_tests): New.
5201 (break_out_subroutines): Don't write code now.
5202 (find_afterward): New.
5203 (write_afterward, write_switch, write_cond): New.
5204 (write_action, is_unconditional): New.
5205 (write_node): New. Use them.
5206 (write_tree_1): Rewrite. Use the new functions above.
5207 (write_tree): Remove afterward processing.
5208 (write_subroutine): Simplify function variant emission.
5209 (write_subroutines): New.
5210 (same_codes, clear_codes): Remove.
5211 (same_modes, clear_modes): Remove.
5212 (write_header): New, broken out of main.
5213 (make_insn_sequence): Use new_decision and new_decision_test.
5214 (process_tree): New, broken out of main.
5215 (main): Adjust for merge_trees interface change.
5216 Don't #define operands in the output file.
5217 (record_insn_name): New, broken out of make_insn_sequence.
5218 (debug_decision_2, debug_decision_1, debug_decision_0): New.
5219 (debug_decision): New.
5221 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
5223 * resource.c (find_free_register): Mark class_str argument const.
5224 * resource.h: Update prototype to match.
5226 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
5227 * i386.md: Give all anonymous insns names.
5229 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
5231 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
5234 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
5236 * toplev.c (dbr_sched_time): Unconditional.
5237 (peephole2_time): New.
5238 (compile_file): Add pass numbers to all of the dump file suffixes.
5239 Dump peephole2_time. Don't dump times for non-applicable passes.
5240 (rest_of_compilation): Add pass numbers to dump file suffixes.
5241 Conditionalize calls to the scheduler.
5242 * invoke.texi: Update.
5244 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
5246 * flow.c (make_edges): Fix insn iteration.
5247 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
5248 (find_basic_blocks_1): Fix spelling mistake.
5250 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
5252 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
5253 always have side-effects. Use memset not bzero.
5254 (make_node): Likewise.
5256 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
5258 * stmt.c (expand_anon_union_decl): When any of the elements of the
5259 union is addressable, so is the entire union.
5261 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
5263 * sbitmap.c (sbitmap_ones): Don't set too many bits.
5265 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
5266 * bitmap.c (bitmap_operation): Return true iff TO changed.
5267 (bitmap_equal_p): New.
5268 (bitmap_bit_p): Tidy arithmetic.
5269 (debug_bitmap_file): Likewise.
5271 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
5273 * toplev.c (rest_of_compilation): Turn on cse_not_expected
5274 before cse2 instead of after.
5276 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
5278 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
5281 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5283 * cppinit.c (is_idchar initializer): Loosen tests to accept
5286 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
5288 * mips.md: Define conditional move patterns for floating point
5289 operands and DI mode conditions.
5291 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
5293 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
5294 always have side-effects.
5296 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
5298 * mn10200.c (asm_file_start): Fix typo.
5300 * cppinit.c (is_idchar initializer): Tighten tests for when
5301 to put the table into initialized memory.
5303 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
5304 not an array of rtunion.
5305 * gcc-page.c (ggc_alloc_rtvec): Similarly.
5306 * gcc-simple (ggc_free_rtvec): Similarly.
5308 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
5311 * mbchar.h: Add missing #endif.
5313 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
5314 (FPBIT, DPBIT): Define.
5316 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5318 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
5320 * profile.c (instrument_arcs, output_gcov_string,
5321 tablejump_entry_p): Add static prototypes.
5322 (output_gcov_string): Constify a char*.
5324 * regmove.c (replacement_quality, fixup_match_2): Add static
5327 * resource.h (reg_dead_p): Add extern prototype.
5329 * rtl.c (trim_filename): Add static prototype.
5331 * scan-decls.c (skip_to_closing_brace): Likewise.
5333 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
5334 (expand_end_case): Initialize variable `range'.
5335 (emit_case_nodes): Remove unused prototype `rtx_fn'.
5337 * varasm.c (asm_emit_uninitialised): Add static prototype.
5338 (asm_emit_uninitialised, assemble_variable): Mark parameter with
5341 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5343 * cpplib.c (if_directive_nameo): Add static prototype.
5345 * cse.c (cse_insn): Remove unused variable `p'.
5347 * except.c (create_rethrow_ref, push_entry,
5348 receive_exception_label, new_eh_region_entry, find_func_region,
5349 clear_function_eh_region, process_nestinfo): Add static prototypes.
5350 (get_reg_for_handler): Hide definition.
5351 (process_nestinfo): Initialize variable `extra_handlers'.
5353 * expr.h (expand_builtin_longjmp): Add extern prototype.
5355 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
5357 * function.c (prepare_function_start): Likewise.
5358 (pop_function_context_from): Mark parameter `context' with
5360 (push_temp_slots_for_block, flush_addressof): Hide definition.
5362 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
5363 solve_program_flow_graph, calculate_branch_probs,
5364 function_summary, main, fancy_abort): Add prototypes.
5366 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
5367 (add_hash): Constify a char*.
5369 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
5370 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
5371 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
5373 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
5375 * lists.c (free_list, zap_lists): Likewise.
5377 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5379 * alias.c (nonlocal_reference_p): Add static prototype.
5381 * bitmap.c (bitmap_element_allocate): Prototype args in function
5384 * builtins.c (stabilize_va_list): Add static prototype.
5385 (expand_builtin_va_arg): Constify a char*.
5387 * c-lex.c (getch, put_back, extend_token_buffer_to,
5388 read_line_number, token_getch, token_put_back): Add static
5391 * c-parse.gperf (hash, is_reserved_word): Likewise.
5393 * cccp.c (is_dir_separator): Likewise.
5395 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5397 * graph.h: New file to prototype functions exported by graph.c.
5399 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
5401 * graph.c: Include graph.h.
5403 * toplev.c: Likewise. Remove redundant prototypes.
5405 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
5407 * invoke.texi: Removed duplicated description for -Q.
5409 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
5411 * extend.texi: Grammar fix in __extension__ text.
5413 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
5415 * md.texi (define_peephole2): New section.
5417 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
5419 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
5420 (mov $-1 to or peepholer): Enable for pentium when optimizing for
5423 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
5425 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
5427 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
5429 * i386.md (ffs expander): Emit Pentium friendly code for
5432 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
5434 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
5438 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5440 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
5442 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
5444 * config/m68k/m68k.c (use_return_insn): Return false if the pic
5447 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5449 * md.texi (No Constraints): Delete section.
5450 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
5451 * final.c (final_scan_insn): We always have register constraints.
5452 * genattrtab.c: Don't include "insn-config.h".
5453 (write_attr_case): We always have register constraints.
5454 * genconfig.c (register_constraint_flag): Delete.
5455 (walk_insn_part): Don't check whether we have register constraints.
5456 (main): Don't write out "#define REGISTER_CONSTRAINTS".
5457 * genoutput.c (have_constraints): Delete.
5458 (main): Don't set it.
5459 (output_operand_data): We always have constraints.
5460 (scan_operands): Likewise.
5461 (compare_operands): Likewise.
5462 * local-alloc.c (block_alloc): We always have constraints.
5463 (requires_inout): Always compile this function.
5464 * recog.c (extract_insn): We always have constraints.
5465 (constrain_operands, reg_fits_class_p): Always compile these
5467 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
5469 (struct insn_operand_data): Likewise.
5470 * regclass.c (regclass): We always have constraints.
5471 (record_reg_classes, copy_cost, record_address_regs,
5472 auto_inc_dec_reg_p): Always compile these functions.
5473 * regmove.c (regmove_optimize): We always have constraints.
5474 * reload.c (find_reloads): Likewise.
5475 * reload1.c (reload): Likewise.
5476 (reload_cse_simplify_operands): Likewise.
5477 * i860.c (output_delay_insn): Likewise.
5479 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
5481 * iris6.h (BUILD_VA_LIST_TYPE): Define.
5483 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5485 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
5486 for the va_list record.
5488 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
5490 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
5493 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
5495 * alias.c: Include insn-flags.h.
5496 * Makefile.in (alias.o): Update.
5498 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
5500 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
5501 to LTU and GEU. Handle more cases using sbb.
5503 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
5505 * i386.md (truncatexfdf splitters): Do not use subreg.
5506 (fop XFmode patterns): Fix mode in operand testing.
5508 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
5510 * jump.c (jump_optimize_1): Amend last change to test only the
5511 form of the operand, not the insn.
5513 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
5514 not register_operand to determine when B may need preloading.
5516 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
5518 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
5519 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
5520 (call-value patterns): Move to end of file.
5521 (*): Remove mode from label_ref in (pc) context.
5522 (movstrqi): Use memory not general_operand for BLKmode operands.
5523 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
5524 to register_operand operands.
5525 (peep2 patterns): Convert from commented-out peephole patterns.
5527 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5529 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
5530 to BUILT_IN_INIT_DWARF_REG_SIZES.
5531 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
5532 Renamed from BUILT_IN_DWARF_REG_SIZE; call
5533 expand_builtin_init_dwarf_reg_sizes.
5534 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
5535 with __builtin_init_dwarf_reg_size_table.
5536 * dwarf2out.c (struct reg_size_range): Delete.
5537 (expand_builtin_init_dwarf_reg_sizes): New function.
5538 (expand_builtin_dwarf_reg_size): Delete.
5539 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
5540 (expand_builtin_dwarf_reg_size): Don't declare.
5541 * libgcc2.c (dwarf_reg_size_table_initialized): New.
5542 (dwarf_reg_size_table): New.
5543 (init_reg_size_table): New function.
5544 (copy_reg): Use dwarf_reg_size_table.
5545 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
5548 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
5550 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
5551 Correctly build argument list to constructor and destructor functions.
5553 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
5555 * c-tree.h (warn_float_equal): Declare.
5556 * c-decl.c (warn_float_equal): Define.
5557 (c_decode_option): Recognize -W[no-]float-equal.
5558 * c-typeck.c (build_binary_op): Conditionally warn
5559 about equality tests of floating point types.
5560 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
5561 * invoke.texi: Add docs for -Wfloat-equal warning.
5563 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
5565 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
5566 generating RTL directly.
5567 * mips.h (INIT_TARGET_OPTABS): Likewise.
5568 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
5570 * expr.h (init_mov_optab): Delete declaration
5572 * h8300.c (WORD_REG_USED): Update to avoid useless register
5573 saves in interrupt functions and functions which never return.
5575 * cse.c (struct set): Delete inner_dest_loc field.
5576 (cse_insn): Remove assignments to inner_dest_loc field.
5578 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
5580 * ggc-page.c: Don't include <unistd.h> etc taken care of
5581 by "system.h". Include <sys/mman.h> afterward.
5583 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
5585 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
5588 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
5590 * xcoffout.c (xcoffout_declare_function): Add documentation.
5591 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
5592 TARGET_64BIT. Compare constant to -1, not bit pattern.
5593 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
5594 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
5597 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
5599 * dwarf2out.c (add_abstract_origin_attribute): Abort if
5601 (gen_inlined_enumeration_type_die): Do not abort if the type has
5602 not been writeen out.
5603 (gen_inlined_structure_type_die): Do not abort if the type has
5604 not been writeen out.
5605 (gen_inlined_union_type_die): Do not abort if the type has
5606 not been writeen out.
5607 (gen_tagged_type_instantiation_die): Do not abort if the type
5608 has not been written out.
5610 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5612 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
5614 * reg-stack.c (straighten_stack): Copy hard reg set with
5617 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
5619 * builtins.c (stabilize_va_list): Stabilize array type va_list
5620 to a pointer type, not the base record type.
5621 (expand_builtin_va_copy): Dereference the pointers explicitly;
5622 use the correct size for the copy.
5624 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
5625 (rs6000_va_arg): Likewise.
5627 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
5629 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
5631 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
5633 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
5635 (DECL_BUILT_IN_CLASS): Adjust accordingly.
5637 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
5639 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
5640 (init_ggc): Use it instead of a constant.
5641 (ggc_collect): Bound allocated_last_gc by it.
5643 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
5645 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
5648 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
5650 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
5651 (mips*-*-openbsd*): Let big endian configuration be a fragment.
5653 * config/mips/openbsd.h: New, OpenBSD little endian target.
5654 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
5655 * config/mips/xm-openbsd.h: New, OpenBSD host.
5657 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
5659 * config/m68k/m68k.c (output_function_prologue,
5660 output_function_epilogue): Use
5661 current_function_uses_pic_offset_table instead of regs_ever_live
5662 to decide whether to save/restore pic register.
5663 (legitimize_pic_address): Don't modify regs_ever_live any more.
5665 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
5667 * function.h (struct function): Add x_dont_save_pending_sizes_p.
5668 * stor-layout.c (variable_size): Don't add sizes to the pending
5669 sizes list if x_dont_save_pending_sizes_p is set.
5671 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
5673 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
5674 for symbolic_operand().
5675 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
5677 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5679 * combine.c (gen_rtx_combine): Add missing call to va_end().
5681 * final.c (asm_fprintf): Likewise.
5683 * genattrtab.c (attr_rtx): Likewise.
5685 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
5687 * cse.c: Update comments.
5688 (cse_insn): When converting a conditional/computed jump into
5689 an unconditional jump, always make sure a BARRIER immediately
5690 follows the converted jump. Do not delete unreachable code.
5691 (cse_basic_block): Do not delete unreachable code.
5692 * toplev.c (rest_of_compilation): Move call to
5693 delete_trivially_dead_insns after the conditional call to
5696 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5698 * collect2.c (make_temp_file): Don't prototype.
5700 * gcc.c (make_temp_file): Likewise.
5702 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
5704 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
5706 * varasm.c (asm_emit_uninitialised): New function: Generate
5707 the assembler statements necessary to declare an uninitialised
5709 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
5711 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
5712 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
5714 (assemble_variable): Use asm_emit_uninitialised to emit an
5715 uninitialised variable.
5717 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
5719 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
5720 constant on a 64 bit host. Patch supplied by Geoffrey Keating
5721 <geoffk@cygnus.com>.
5723 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5725 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
5726 * c-common.h (builtin_function): Don't declare.
5728 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
5730 (pushdecl): Likewise.
5731 (finish_decl): Likewise.
5732 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
5733 int. All callers changed.
5734 Set the builtin's DECL_BUILT_IN_CLASS.
5735 * tree.h (enum built_in_class): New.
5736 (enum built_in_function): Delete NOT_BUILT_IN.
5737 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
5739 (DECL_SET_FUNCTION_CODE): Likewise.
5740 (DECL_BUILT_IN_CLASS): New macro.
5741 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
5742 (struct tree_decl): Split builtin function code field into a
5744 (builtin_function): Declare.
5746 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
5748 * optabs.c (init_traps): Fix typo in last change.
5750 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
5752 * toplev.c (rest_of_decl_compilation): Update comment.
5754 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
5756 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
5757 in .sbss if appropriate.
5758 (EXTRA_SECTION_FUNCTIONS): Add sbss.
5759 (SBSS_SECTION_ASM_OP): New macro.
5760 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
5761 (EXTRA_SECTIONS): Add in_sbss.
5762 * config/mips/mips.h: Prototype sbss_section.
5764 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
5766 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
5769 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
5771 * optabs.c (init_traps): Register trap_rtx as a GC root.
5773 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5775 * config/mips/mips.c (function_arg_pass_by_reference): Define
5776 unconditionally, since it's called unconditionally.
5778 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
5780 * toplev.c (documented_lang_options): Add -fshort-wchar.
5781 * c-decl.c (c_decode_option): Likewise.
5782 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
5784 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
5785 * gcc.c (default_compilers): If -fshort-wchar,
5786 override __WCHAR_TYPE__.
5787 * tm.texi (C Dialect Options): Add -fshort-wchar.
5789 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
5790 symbol for a variable.
5792 * cpplib.h (CPP_PREPROCESSED): New macro.
5793 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
5794 we're seeing this input for a second time.
5796 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
5798 * emit-rtl.c (init_emit_once): Initialize modes first.
5800 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
5802 * config/i386/i386.c (pic_label_name): Change to char pointer.
5803 (global_offset_table): New variable.
5804 (load_pic_register): Fill global_offset_table if it hasn't
5805 already been done. Allocate pic_label_name dynamically.
5806 * ggc.h (empty_string): New variable.
5807 * ggc-simple.c (empty_string): Likewise.
5808 (init_ggc): Allocate empty_string and add as root.
5809 * stmt.c (digit_strings): New variable.
5810 (init_stmt): Add last_block_end_note as root. Allocate and
5811 initialize digit_strings.
5812 (expand_asm_operands): Use empty_string instead of string
5813 constant. Use digit_strings instead of string constants.
5814 * profile.c (init_arc_profiler): Allocate string with
5815 ggc_alloc_string instead of xmalloc.
5816 (output_func_start_profiler): Likewise.
5817 * c-typeck.c (digest_init): Check if init is error_mark_node.
5819 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
5820 Richard Henderson <rth@cygnus.com>
5822 * ggc-page.c: New file.
5823 * Makefile.in (ggc-page.o): New.
5825 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
5827 * invoke.texi: Document -fdelete-null-pointer-checks
5828 * toplev.c (flag_delete_null_pointer_checks): New.
5829 (f_options): Add entry for -fdelete-null-pointer-checks.
5830 (rest_of_compilation): Conditionalize null pointer check
5831 elimination on flag_delete_null_pointer_checks.
5832 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
5834 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
5836 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
5837 copyright notice and special exception to GPL.
5839 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5841 * abi64.h (mips_function_value): Add prototype arguments.
5843 * mips-protos.h: New file with mips prototypes.
5845 * mips.c: Include "tm_p.h".
5846 (mktemp, lookup_name): Add prototype arguments.
5847 (extern_list, string_constant, mips_fill_delay_slot,
5848 mips_output_external, mips_output_external_libcall,
5849 mips_output_filename, mips_declare_object, function_prologue,
5850 mips_expand_prologue, function_epilogue, mips16_constant,
5851 build_mips16_function_stub, mips_output_conditional_branch):
5853 (mips_va_start): Remove unused variable `u'.
5854 (mips_va_arg): Cast value to unsigned when comparing against one.
5856 (save_restore_insns, mips_expand_prologue): Add missing arg in
5857 call to `large_int'.
5859 * mips.h: Move prototypes to mips-protos.h.
5860 (data_section, memory_address_p, rdata_section,
5861 readonly_data_section, simple_epilogue_p, text_section): Delete
5862 prototypes delcared elsewhere.
5863 (mips_epilogue_delay_slots, print_options): Delete unused decls.
5865 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
5867 * mips.md: Delete extra args in call to `mips_move_2words'.
5869 * xm-iris6.h (alloca): Add prototype argument.
5871 * genpeep.c: Include "tm_p.h" in generated output file.
5873 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5875 * basic-block.h (find_edge_index): Change parameters.
5876 * flow.c (verify_edge_list): Pass basic_block parameters to
5877 find_edge_index instead of integers.
5879 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
5881 * combine.c (simplify_comparison): Use an unsigned shift to adjust
5884 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
5886 * gcc.1: Fix a formatting error.
5888 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5890 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
5891 i786, mn10200, mn10300, pdp11, v850.
5893 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
5895 * libgcc2.c (num_digits): Add prototype with
5896 __attribute__((const)).
5897 (__terminate): Add prototype.
5899 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
5901 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
5903 * alpha/alpha.c (print_operand): Fix type of `code'.
5904 (alpha_output_filename): Constify.
5905 * alpha/alpha.h: Move all function declarations ...
5906 * alpha/alpha-protos.h: ... here. New file.
5907 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
5908 (SECTION_FUNCTION_TEMPLATE): Likewise.
5910 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5912 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
5913 * expr.c (expand_expr): Likewise.
5914 (do_jump): Likewise.
5915 (do_store_flag): Pass ccp_store_flag to can_compare_p.
5916 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
5918 (enum can_compare_purpose): New.
5919 (can_compare_p): Adjust prototype.
5920 (prepare_cmp_insn, prepare_operand): Declare.
5921 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
5922 * optabs.c (cmp_available_p): Deleted.
5923 (expand_abs): Pass ccp_jump to can_compare_p.
5924 (can_compare_p): New arg PURPOSE. Check for combined optabs.
5925 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
5926 Call can_compare_p rather than cmp_available_p.
5927 (prepare_operand): No longer static.
5928 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
5929 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
5930 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
5931 sequence to use emit_cmp_and_jump_insns.
5932 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
5934 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
5936 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
5937 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
5938 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
5939 (plus (reg) (const_int 0))
5940 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
5942 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
5944 * rs6000.c (expand_block_move): DImode loads and stores require
5945 word-aligned displacements. Increment address registers with
5946 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
5948 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
5950 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
5951 is no name for the base type, rather than segfault. If we are
5952 writing out a complex integer type, use DW_ATE_lo_user.
5954 * expr.c (emit_move_insn_1): If we are copying a complex that fits
5955 in one word or less (complex char, complex short, or on 64 bit
5956 systems complex float) to/from a hard register, copy it through
5957 memory instead of dying in gen_{real,imag}part. If we have a
5958 short complex type, prevent inlining since it allocates stack
5961 * tree.c (build_complex_type): If we are writing dwarf2 output,
5962 generate a name for complex integer types.
5964 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5966 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
5967 * flow.c (remove_edge): Remove extra whitespace.
5968 (remove_fake_edges): Fix comment.
5969 (add_noreturn_fake_exit_edges): Use the correct name.
5971 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
5973 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
5974 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
5975 (clean): Depend on INTL_CLEAN.
5976 (maintainer-clean): Adjust.
5978 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5980 * configure.in (AC_PREREQ): Bump to 2.13.
5981 (AC_C_STRINGIZE): Call this instead of using a custom macro.
5983 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
5985 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
5987 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
5989 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
5990 (HAVE_STRINGIZE): Define.
5992 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
5994 * c-parse.in: save and restore warn_pointer_arith on __extension__
5995 along with pedantic.
5996 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
5997 Set the type of extension to itype rather than $<itype>1 kludge.
5998 * extend.texi (Alternate Keywords): Adjust documentation.
5999 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
6001 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
6003 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
6004 most assembler templates.
6006 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
6007 FP loads and stores.
6008 (following_call): Always return zero for the PA8000.
6009 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
6010 FP loads and stores.
6011 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
6013 * pa.h (BRANCH_COST): Define.
6015 * pa.md (return, return_internal): Use bve for PA2.0.
6017 * pa.md (fused multiply): Add variants which reduce height for the
6018 fused multiply, but which still generate 2 insns.
6019 (fnegabs): Similarly.
6021 * pa.md (subsi3): Turn into an expander. Create two anonymous
6022 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
6023 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
6025 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
6027 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
6029 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
6030 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
6032 * regclass.c (init_regs): Add "top_of_stack" as a garbage
6035 * flow.c (record_active_eh_regions): Terminate loop after finding
6036 the last insn in the last basic block.
6038 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6040 * config/c4x/c4x.md: Delete parallel instruction peepholes.
6042 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6044 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
6046 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6048 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
6049 splitting to not use output template.
6051 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6053 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
6054 * config/c4x/c4x.c (c4x_va_start): New function.
6056 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
6058 * genrecog.c (not_both_true): Handle correctly cases when called for
6059 tests with different positions in the insn.
6061 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6063 * machmode.h (HOST_PTR_PRINTF): Move from here ...
6065 * system.h (HOST_PTR_PRINTF): ... to here.
6067 * mips-tfile.c: Don't include machmode.h.
6069 * Makefile.in (MACHMODE_H): New variable. Update to use it.
6070 (mips-tfile.o): Don't depend on machmode.h.
6072 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6074 * haifa-sched.c (sched_analyze): Rename local variable `region' to
6075 avoid conflicts with typedef struct `region' at the top level scope.
6077 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
6079 * basic-block.h (basic_block): Add eh_beg, eh_end.
6080 * flow.c (entry_exit_blocks): Update.
6081 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
6083 (find_basic_blocks_1): Don't record eh_list at each bb. Use
6084 lists.c functions to allocate insn lists.
6085 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
6087 (make_eh_edge): ... here. New.
6088 (move_stray_eh_region_notes): New.
6089 (record_active_eh_regions): New.
6090 (delete_unreachable_blocks): Split out block merging ...
6091 (try_merge_blocks): ... here. New.
6092 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
6093 Dump debugging data.
6094 (merge_blocks_move_successor_nojumps): Likewise.
6095 (merge_blocks): Use eh_beg+eh_end to validate block movement.
6097 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6099 * extend.texi (Bound member functions): Document unbound pmf
6102 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6104 * flow.c (split_edge): Handle insertion on a fallthrough edge which
6105 has the EXIT_BLOCK as a dest.
6107 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6109 * flow.c (remove_edge): New function to remove an edge from the
6111 (remove_fake_successors): New function to remove fake successor edges.
6112 (remove_fake_edges): New function to remove all fake edges from the
6114 (add_fake_exit_edges): New function to add fake edges from all blocks
6115 with no successors to the exit block.
6116 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
6117 prototypes for new functions.
6119 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6121 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
6122 Use Pmode to determine whether to output .dword or .word.
6124 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
6126 * tree.c (built_in_filename): New variable.
6127 (BUILT_IN_FILENAME): New macro.
6128 (init_tree_codes): Allocate built_in_filename.
6129 (make_node): Use built_in_filename instead of string constant.
6131 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
6133 * configure.in: Add fr30 target.
6134 * configure: Regenerate.
6135 * config/fr30: New directory.
6136 * config/fr30/crti.asm: New file.
6137 * config/fr30/fr30.c: New file.
6138 * config/fr30/crtn.asm: New file.
6139 * config/fr30/fr30.h: New file.
6140 * config/fr30/fr30.md: New file.
6141 * config/fr30/lib1funcs.asm: New file.
6142 * config/fr30/t-fr30: New file.
6143 * config/fr30/xm-fr30.h: New file.
6145 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
6147 * flow.c (merge_blocks_move_successor_nojumps): Delete the
6148 BARRIER at the end of the successor, not the BARRIER before
6151 * pa.c (pa_add_gc_roots): Fix thinko in last change.
6153 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
6155 * stmt.c (any_pending_cleanups): Don't crash when
6156 current_function->stmt is unset.
6158 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6160 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
6161 other initializations that may use it for relative offsets.
6163 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6165 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
6166 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
6167 * config/i386/sol2dbg.h: Removed.
6168 * config/i386/sol2gas.h: New file, to enable gas work-around.
6169 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
6170 Don't use sol2dbg.h.
6171 * configure: Rebuilt.
6173 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
6175 * invoke.texi (-fthis-is-variable): Remove documentation.
6177 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
6179 * basic-block.h (compute_bb_for_insn): Declare.
6180 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
6181 to use; set size of basic_block_for_insn directly.
6182 (find_basic_blocks): Update.
6184 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6186 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
6188 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6190 * crtstuff.c (ON_EXIT): Delete empty macro definition.
6191 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
6193 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
6195 * c-decl.c (c_decode_option): Extend comment.
6197 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
6199 * toplev.c (progname): Make 'const char *'
6200 (flag_print_mem): Move out of main.
6201 (version_flag): Move out of main.
6202 (filename): Move out of main.
6203 (debug_args): Remove g prefix from options.
6204 (documented_lang_options): Remove cpplib specific options.
6205 (display_help): Add g prefix to debug options.
6206 (check_lang_option): Delete this function.
6207 (decode_d_option): New function: Decode -d... option.
6208 (decode_f_option): New function: Decode -f... option.
6209 (decode_W_option): New function: Decode -W... option.
6210 (decode_g_option): New function: Decode -g... option.
6211 (independent_decode_option): New function: Decode a language
6212 independent command line option.
6213 (main): Invoke lang_decode_option and then
6214 independent_decode_option on each command line option in
6217 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
6219 Revert this change. Gavin's patch to operand_equal_p is a better fix.
6220 * fold-const.c (fold_range_test): Do not try to fold the range
6221 test if the rhs or lhs has side effects.
6223 * basic-block.h (compute_flow_dominators): Declare.
6225 * gcse.c (alloc_code_hoist_mem): New function.
6226 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
6227 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
6228 (hoist_code, one_code_hoisting_pass): Likewise.
6229 (gcse_main): If optimizing for size, then hoist expressions
6230 computed in multiple dominated basic blocks.
6232 * gcse.c (invalid_nonnull_info): New function.
6233 (delete_null_pointer_checks): Likewise.
6234 * rtl.h (delete_null_pointer_checks): Declare.
6235 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
6237 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
6238 (merge-blocks_move_successor_nojumps): Likewise.
6239 (merge_blocks): Allow merging of some blocks, even if it requires
6240 physical movement of the blocks, but not if it requires new jumps.
6242 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
6243 Callers and prototype changed.
6244 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
6246 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6248 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
6249 -YP when both -p and -pg are present. From i386/sol2.h.
6251 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6253 * Makefile.in (distclean): Delete tm_p.h.
6254 * configure.in: Create a new file, "tm_p.h", from a list in
6255 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
6256 "i386/i386-protos.h".
6258 * alias.c: Include "tm_p.h".
6259 * c-typeck.c: Likewise.
6260 * calls.c: Likewise.
6262 * emit-rtl.c: Likewise.
6263 * explow.c: Likewise.
6264 * expmed.c: Likewise.
6266 * final.c: Likewise.
6268 * fold-const.c: Likewise.
6269 * function.c: Likewise.
6271 * global.c: Likewise.
6272 * haifa-sched.c: Likewise.
6273 * integrate.c: Likewise.
6275 * local-alloc.c: Likewise.
6277 * optabs.c: Likewise.
6278 * recog.c: Likewise.
6279 * reg-stack.c: Likewise.
6280 * regclass.c: Likewise.
6281 * regmove.c: Likewise.
6282 * reload.c: Likewise.
6283 * reload1.c: Likewise.
6284 * reorg.c: Likewise.
6285 * resource.c: Likewise.
6287 * stor-layout.c: Likewise.
6288 * toplev.c: Likewise.
6290 * unroll.c: Likewise.
6291 * genattrtab.c (main): Make generated file include "tm_p.h".
6292 * genemit.c (main): Likewise.
6293 * genoutput.c (main): Likewise.
6294 * genrecog.c (main): Likewise.
6296 * i386.h: Delete all prototypes.
6297 * i386.c: Include "tm_p.h".
6298 (ix86_attr_length_default): Call constant_call_address_operand
6299 with correct number of arguments.
6300 * i386-protos.h: New file.
6301 * i386.md (unnamed patterns): Call constant_call_address_operand
6302 with correct number of arguments.
6303 (exception_receiver): Call load_pic_register with correct number
6306 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
6308 * c-pragma.c (mark_align_stack): Dereference the void* properly.
6310 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
6312 * rtl.h (insns_safe_to_move_p): New function.
6313 * loop.c (find_and_verify_loops): Use it.
6314 * rtlanal.c (insns_safe_to_move_p): Define it.
6316 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
6318 * c-pragma.c: Include ggc.h.
6319 * Makefile.in (c-pragma.o): Update.
6321 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6323 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
6324 (LIB_SPEC): Likewise.
6325 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
6326 Reindent -YP/-p/-pg.
6327 Copied from config/sparc/sol2.h.
6329 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
6331 * c-pragma.c (mark_align_stack): New.
6333 * c-pragma.h (init_pragma): Declare it.
6334 * c-lex.c (init_parse): Call it.
6336 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6338 * configure.in: Pick up thread library on Solaris/x86 just
6339 like on Solaris/sparc.
6340 * configure: Rebuilt.
6342 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
6344 * rtl.h (global_rtx_index): New enum.
6345 (global_rtl): Change to array of rtx.
6346 (pc_rtx, cc0_rtx): Redefine accordingly.
6347 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
6348 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
6349 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
6350 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
6351 (const_int_rtx): Change to array of rtx.
6352 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
6354 * emit-rtl.c (global_rtl): Change to array of rtx.
6355 (const_int_rtx): Change to aray of rtx.
6356 (gen_rtx_CONST_INT): Redefine accordingly.
6357 (init_emit_once): Allocate and initialize global_rtl. Likewise
6358 for const_int_rtx. Add both as GC roots.
6359 * genattrtab.c (global_rtl): Update declaration.
6361 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
6363 * Makefile (USER_H): Add iso646.h back.
6365 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
6367 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
6368 zapping the LOG_LINKS of sched_before_next_call.
6370 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
6371 * pa.c (insn_refs_are_delayed): Renamed from
6372 insn_sets_and_refs_are_delayed.
6374 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
6376 * functiion.h (struct function): Add x_whole_function_mode_p.
6377 (retrofit_block): Declare.
6378 * function.c (retrofit_block): New function.
6379 (identify_blocks): Add assertions. Allow an incomplete set of
6380 block notes if we're still generating code for the function.
6381 * integrate.c: Include loop.h.
6382 (expand_inline_function): Call find_loop_tree_blocks to map block
6383 notes to blocks when in whole-function mode. Use retrofit_block
6384 to insert new BLOCKs for the inlined function, rather than
6386 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
6387 * Makefile.in (integrate.o): Depend on loop.h.
6389 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
6391 * tree.h (warn_about_unused_variables): Declare.
6392 * stmt.c (warn_about_unused_variables): New function, split out
6394 (expand_end_bindings): Here.
6396 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
6398 * stmt.c (preserve_subexpressions_p): Don't crash when
6399 current_function->stmt is unset.
6401 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
6403 * stmt.c (expand_start_bindings): Allow callers to pass a flag
6404 indicating that no NOTE_INSN_BLOCK_BEG note is required.
6405 (expand_start_target_temps): Use it.
6406 * except.c (expand_eh_region_start_for_decl): Likewise.
6407 * expr.c (expand_expr): Likewise.
6409 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
6411 * fold-const.c (operand_equal_p): Pay attention to side effects.
6413 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
6415 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
6416 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
6418 * tlink.c (scan_linker_output): Look for keywords before accepting
6419 a mangled name in quotes.
6421 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
6423 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
6424 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
6426 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
6428 * alpha.md: Revert Thu Nov 26 change that came in through the
6429 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
6430 Avoid earlyclobber when possible.
6432 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6434 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
6436 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
6437 Define HAVE_ON_EXIT.
6439 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6441 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
6442 CTYPE_CONV in all ctype macros.
6444 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
6447 * cexp.y (initialize_random_junk): Likewise.
6449 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
6451 * i370.c (handle_pragma): Likewise.
6453 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
6455 * v850.c (override_options): Likewise.
6457 * doprint.c (_doprnt): Likewise.
6459 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
6462 * fixinc/server.c (load_data): Likewise.
6464 * fold-const.c (real_hex_to_f): Likewise.
6466 * genattr.c (write_upcase, gen_attr): Likewise.
6468 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
6469 write_upcase): Likewise.
6471 * genemit.c (print_code): Likewise.
6473 * genopinit.c (gen_insn): Likewise.
6475 * genpeep.c (print_code): Likewise.
6477 * genrecog.c (print_code): Likewise.
6479 * optabs.c (init_libfuncs): Likewise.
6481 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
6483 * haifa-sched.c (sched_analyze): Keep the list of notes organized
6485 (reemit_notes): Likewise.
6487 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
6489 * ggc.h (ggc_root): Move to ggc-common.c.
6491 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
6492 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
6493 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
6494 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
6495 * ggc-common.c (ggc_root): Move from ggc.h.
6496 (roots): Declare, static.
6497 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
6498 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
6499 null or check/set mark bit.
6500 (ggc_mark_roots): New.
6501 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
6503 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
6505 * m32r.c: Include toplev.h.
6506 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
6507 (gen_compare): Rename swap_p to must_swap to match uses.
6508 Add default abort case.
6509 (m32r_output_function_epilogue): Remove unused variables.
6510 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
6511 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
6512 define to empty parameter list. Update all uses.
6513 (predicate decls): Use enum machine_mode not int.
6514 * m32r.md (movsi): Call abort, not fatal_insn.
6515 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
6517 1999-09-14 Andrew Haley <aph@cygnus.com>
6519 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
6520 use $0 instead of 0.
6522 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6524 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
6525 computation out of loop over hard regs.
6527 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
6529 * function.c (identify_blocks): Don't shadow a variable in an
6531 * integrate.c (integrate_decl_tree): Don't use pushlevel,
6532 pushdecl, or poplevel to build up the new BLOCK tree.
6533 (expand_inline_function): Likewise.
6534 (integrate_parm_decls): Likewise.
6536 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
6538 * c-typeck.c (qualify_type): Merge qualifiers from both types.
6540 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
6542 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
6543 * invoke.texi: Document this change.
6545 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
6547 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
6549 (mark_emit_status): Renamed from mark_emit_state.
6550 * except.c (mark_eh_status): Renamed from mark_eh_state.
6551 Check not null before marking.
6552 (free_eh_status): New.
6553 * expr.c (mark_expr_status, free_expr_status): New.
6554 * function.c (free_machine_status): New.
6555 (free_after_parsing): New.
6556 (free_after_compilation): Move bits to free_after_parsing; call
6557 free_eh_status, free_expr_status; zero the marked members of the
6559 (prepare_function_start): No can_garbage_collect.
6560 Call init_eh_for_function.
6561 (expand_dummy_function_end): Free up current_function state.
6562 (mark_function_status): Renamed from mark_function_state.
6563 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
6564 * function.h (struct function): No can_garbage_collect.
6565 (free_machine_status, free_after_parsing): Declare.
6566 (free_eh_status, free_expr_status): Declare.
6567 * ggc.h (mark_expr_status): Declare.
6568 * stmt.c (free_stmt_status): Free the struct.
6569 (mark_stmt_status): Renamed from mark_stmt_state.
6570 (init_stmt): Don't call init_eh.
6571 (init_stmt_for_function): Don't call init_eh_for_function.
6572 * toplev.c (compile_file): Call init_eh.
6573 (rest_of_compilation): Free basic block info before ggc_collect.
6574 Call free_after_parsing; conditionally call free_after_compilation.
6575 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
6576 Check not null before marking.
6577 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
6579 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
6581 * c-lex.c (yylex): Initialize warn.
6583 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
6585 * pa.c (emit_move_sequence): Properly set the mode of the scratch
6586 register when performing secondary reloads for the SAR register.
6588 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
6590 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
6591 (NOTE_BLOCK): New macro.
6592 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
6593 * function.h (identify_blocks): Change prototype.
6594 * function.c (identify_blocks): Simplify.
6595 (reorder_blocks): Likewise.
6596 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
6597 NOTE_INSN_BLOCK_{BEG,END}.
6598 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
6599 the list of saved notes if the note isn't a
6600 NOTE_INSN_BLOCK_{BEG,END}.
6601 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
6603 (reemit_notes): Adjust recreation of notes to reflect new saved
6605 * print-rtl.c (print_rtx): Print the address of the BLOCK when
6606 printing a block note.
6607 * stmt.c (block_vector): Remove.
6608 (find_loop_tree_blocks): Simplify.
6609 (unroll_block_trees): Likewise.
6610 * tree.h (reorder_block): Change prototype.
6612 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
6614 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
6615 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
6616 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
6617 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
6618 (atexit, exit): Simplify.
6619 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
6620 * config/lots: Remove defns of HAVE_ATEXIT.
6622 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
6624 * calls.c (precompute_arguments): Fix typo in comment.
6625 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
6628 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
6630 * dsp16xx.c (override_options): Fix typos in GC root registration.
6632 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
6634 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
6636 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
6637 (FUNCTION_PROFILER): Redefine appropriately for Linux.
6638 (CC1_SPEC): Likewise.
6640 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6642 * genattr.c (main): Add extern prototype. Call return, not exit.
6643 * genattrtab.c (main): Likewise.
6644 * gencheck.c (main): Likewise.
6645 * gencodes.c (main): Likewise.
6646 * genconfig.c (main): Likewise.
6647 * genemit.c (main): Likewise.
6648 * genextract.c (main): Likewise.
6649 * genflags.c (main): Likewise.
6650 * gengenrtl.c (main): Likewise.
6651 * genopinit.c (main): Likewise.
6652 * genoutput.c (main): Likewise.
6653 * genpeep.c (main): Likewise.
6654 * genrecog.c (main): Likewise.
6656 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
6657 * genattrtab.c (get_insn_name): Likewise.
6658 * gencodes.c (get_insn_name): Likewise.
6659 * genconfig.c (get_insn_name): Likewise.
6660 * genemit.c (get_insn_name): Likewise.
6661 * genextract.c (get_insn_name): Likewise.
6662 * genflags.c (get_insn_name): Likewise.
6663 * genopinit.c (get_insn_name): Likewise.
6664 * genpeep.c (get_insn_name): Likewise.
6666 * gencheck.c (usage): Add static prototype.
6667 * genextract.c (print_path): Constify a char*.
6668 * genopinit.c (optabs): Likewise.
6669 * genoutput.c (operand_data, data, output_predicate_decls,
6670 compare_operands): Likewise.
6671 * genrecog.c (write_tree): Add default case in switch.
6673 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6675 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
6677 * print-rtl.c (get_insn_name): Remove prototype.
6679 * toplev.h (progname): Declare const.
6681 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
6682 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
6683 dump_sched_info, dump_local_alloc, regset_release_memory,
6684 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
6685 error_with_file_and_line, error_with_decl, error_for_asm, error,
6686 fatal, warning_with_file_and_line, warning_with_decl, warning,
6687 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
6688 Remove redundant prototypes.
6690 (notice, check_lang_option, report_file_and_line, vnotice,
6691 mark_file_stack): Add static prototype.
6692 (set_fatal_function): Add prototype.
6693 (vnotice, report_file_and_line, set_fatal_function,
6694 check_lang_option): Constify a char*.
6695 (main): Prototype. Call return, not exit.
6697 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6699 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
6701 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
6703 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
6705 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
6707 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6709 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
6710 behave as if it's zero in all cases.
6711 (expand_function_start): Adjust call to assign_parms.
6712 * tree.h (assign_parms): Adjust prototype.
6713 * objc/objc-act.c (hack_method_prototype): Adjust call to
6716 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
6718 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
6719 arg_pointer_rtx fixed if the argument pointer register is
6721 (NONZERO_BASE_PLUS_P): Likewise.
6723 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
6725 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
6726 match_insn2 to match_insn.
6727 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
6729 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
6731 * Makefile.in (USER_H): Remove va-foo.h.
6733 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
6734 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
6735 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
6736 va-spur.h,va-v850.h}: Remove.
6738 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
6740 * sparc/sparc.md (eligible_for_return_delay): New attribute.
6741 (in_return_delay): Use it instead of match_insn.
6743 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6745 * config/alpha/va_list.h (va-alpha.h): Do not include.
6746 (__gnuc_va_list): Typedef as in varargs.h.
6748 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
6750 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
6751 DECL_LIVE_RANGE_RTL.
6753 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
6755 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
6756 not NOTE_BLOCK_NUMBER.
6757 (expand_eh_region_end): Likewise.
6758 (find_exception_handler_labels): Likewise.
6759 (scan_region): Likewise.
6760 (exception_optimize): Likewise.
6761 (update_rethrow_references): Likewise.
6762 (set_insn_eh_region): Likewise.
6763 * final.c (final_scan_insn): Likewise.
6764 * flow.c (make_edges): Likewise.
6765 * integrate.c (expand_inline_function): Likewise.
6766 * print-rtl.c (print_rtx): Likewise.
6768 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
6770 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
6771 terms of builtin functions and types.
6773 * mips.c (mips_build_va_list): New.
6774 (mips_va_start, mips_va_arg): New.
6775 * mips.h (BUILD_VA_LIST_TYPE): New.
6776 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
6778 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
6779 (sh_build_va_list, sh_va_start, sh_va_arg): New.
6780 * sh.h (BUILD_VA_LIST_TYPE): New.
6781 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
6783 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
6785 * recog.h (struct recog_data): Make dup_num, operand_address_p,
6786 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
6787 (struct insn_data): Likewise with n_operands, n_dups,
6788 n_alternatives, output_format.
6789 * regclass.c (scan_one_insn): Cast n_operands to int before
6790 arithmetic inside comparison.
6792 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
6794 * toplev.c (compile_function): Unconditionally emit nop.
6796 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6798 * haifa-sched.c (actual_hazard): Move declaration of variable
6799 `this_cost' into the scope where it is used.
6801 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6803 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
6804 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
6805 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
6807 * genrecog.c (make_insn_sequence): Call memset, not bzero.
6809 * jump.c (find_insert_position): Don't declare or define unless
6810 !HAVE_conditional_arithmetic.
6811 (returnjump_p_1, delete_prior_computation): Add static prototypes.
6813 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
6815 * recog.c (offsettable_address_p): Prototype function pointer.
6816 (preprocess_constraints): Call memset, not bzero.
6818 * tree.c (tree_node_kind_names): Constify a char*. Make static.
6819 (gcc_obstack_init): Don't declare.
6820 (fix_sizetype): Add static prototype.
6821 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
6822 (tree_cons): Call memset, not bzero.
6824 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
6825 definition in macro ASM_WEAKEN_LABEL.
6826 (mark_const_hash_entry): Add static prototype.
6828 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6830 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
6832 * unroll.c (find_common_reg_term, subtract_reg_term,
6833 loop_find_equiv_value): Add static prototypes.
6834 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
6835 (copy_loop_body): Remove unreachable break statement.
6837 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
6839 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
6841 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6843 Undo some changes from the gcc2 merge:
6844 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
6845 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
6849 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
6850 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6851 initialized float-int union if the value is a NaN.
6853 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
6855 * gthr-win32.h: New file.
6857 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
6858 shared as a valid attribute.
6859 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
6860 * extend.texi: Document `shared' variable attribute.
6862 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
6864 * configure.in: Handle --enable-threads on FreeBSD.
6865 * configure: Rebuit.
6867 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
6869 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
6871 * configure: Rebuilt.
6873 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
6874 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
6875 Rosimildo DaSilva <rdasilva@connecttel.com>
6877 * configure.in (m68k-*-rtemscoff*): Added.
6878 * configure.in (mips64orion-*-rtems*): Converted to ELF.
6879 * configure.in (sparc-*-rtemsaout*): Added as alias for old
6880 sparc-rtems configuration.
6881 * configure.in (sparc-*-rtemself*): Added.
6882 * configure.in (sparc-*-rtems*): Now ELF not a.out.
6883 * config/i386/rtems.h: Added comment.
6884 * config/sparc/rtemself.h: New file.
6886 * configure.in (m68k-rtemself): Added.
6887 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
6888 and DWARF_DEBUGGING_INFO.
6889 * config/m68k/crti.s: New file.
6890 * config/m68k/crtn.s: New file.
6891 * config/m68k/t-crtstuff: New file.
6892 * config/m68k/rtemself.h: New file.
6894 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
6895 global ctor/dtor and C++ exception handling.
6896 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
6897 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
6899 * config/i386/t-rtems-i386: New File.
6901 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
6903 * stmt.c (expand_end_case): Return right away if the case stack is
6906 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
6908 * Makefile.in (version.c): Remove rule incorrectly brought in from
6911 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
6913 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
6914 * msdos/top.sed: Take into account a prepended $(SHELL) to
6916 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
6918 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
6920 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6922 * regmove.c (fixup_match_1): Don't change an unchanging register.
6923 (stable_but_for_p): Renamed to:
6924 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
6925 Changed all callers.
6927 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
6929 * loop.c (strength_reduce): Don't call reg_used_between_p if the
6930 insn from BL2 is after the insn from BL.
6932 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
6934 * recog.h (INSN_OUTPUT_FORMAT_*): New.
6935 (struct insn_data): Merge `template' and `outfun' into `output'.
6936 Add `output_format'.
6937 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
6938 (struct data): Remove `outfun'; add `output_format'.
6939 (name_for_index): Remove declaration.
6940 (output_insn_data): Handle output formats.
6941 (process_template): Emit the bare array for @.
6942 (gen_expand, gen_split): Set output_format to NONE.
6943 * output.h (get_insn_template): Declare.
6944 * final.c (get_insn_template): New.
6945 (final_scan_insn): Use it.
6946 * toplev.c (compile_file): Likewise.
6948 * c4x/c4x.c (c4x_process_after_reload): Likewise.
6949 * i860/i860.c (output_delayed_branch): Likewise.
6950 (output_delay_insn): Likewise.
6952 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6954 * rtl.c (obstack_alloc_rtx): Removed.
6956 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
6958 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
6960 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
6962 * i386.c (call_insn_operand): Reject const_int.
6963 (expander_call_insn_operand): Use call_insn_operand.
6965 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6967 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
6969 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
6971 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
6972 Use DImode operation.
6974 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
6976 * gcc.c: Include sys/resource.h.
6977 (report_times): New flag.
6978 (execute): If report_times is set, calculate and report the
6979 CPU time consumed by each subprocess.
6981 (rus, prus): New globals.
6982 (option_map): Add --time.
6983 (display_help): Document -time.
6984 (process_command): Set report_times if -time is given.
6985 Turn off -pipe if -time is given.
6987 * invoke.texi: Document new option -time.
6989 * configure.in: Check for getrusage. Check if we have to
6990 prototype getrusage.
6991 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
6992 * configure: Regenerate.
6993 * config.in: Regenerate.
6995 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
6997 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
7000 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
7002 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
7003 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
7004 (nan): Return _thenan_sf or _thenan_df as appropriate.
7005 (L_thenan_sf): Define _thenan_sf.
7006 (L_thenan_df): Define _thenan_df.
7008 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
7009 (DPBIT_FUNCS): Add _thenan_df.
7011 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
7013 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
7016 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7018 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
7021 (lang_specific_driver): Don't take a function pointer parameter.
7022 All callers changed.
7024 * gcc.c: Include gcc.h.
7025 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
7026 lang_specific_extra_outfiles, fatal): Don't declare.
7027 (multilib_defaults_raw): Constify.
7028 (read_specs): Call memset, rather than bzero.
7029 (main): Call return, not exit.
7030 (lookup_compiler): Call memcpy, not bcopy.
7031 (fatal): Make extern.
7033 * cppspec.c: Include gcc.h.
7034 (lang_specific_driver): Initialize variable `quote'. Constify a
7035 char*. All calls to the function pointer parameter now
7036 explicitly call `fatal'.
7038 * gccspec.c (lang_specific_driver): Include gcc.h.
7040 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
7042 * arm.c (note_invalid_constants): Use recog_data.operand_type
7045 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7047 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
7050 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
7051 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
7052 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
7053 reload_secondary_in_reload, reload_secondary_out_reload,
7054 reload_secondary_in_icode, reload_secondary_out_icode,
7055 reload_reg_rtx, reload_when_needed): Delete declarations.
7056 (struct reload): New structure.
7057 (rld): Declare new array.
7058 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
7059 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
7060 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
7061 reload_secondary_in_reload, reload_secondary_out_reload,
7062 reload_secondary_in_icode, reload_secondary_out_icode,
7063 reload_reg_rtx, reload_when_needed): Delete definitions.
7065 (whole file): Replace uses of the deleted arrays with uses of rld.
7066 * reload1.c (whole file): Replace uses of the deleted arrays with
7068 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
7069 explicit loops, not with bcopy.
7071 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
7073 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
7074 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
7075 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
7076 insn_name): Delete and consolidate into new structures.
7077 (insn_operand_predicate_fn): New.
7078 (insn_output_fn): New.
7080 (struct insn_operand_data): New.
7081 (struct insn_data): New.
7083 (OUT_FCN): Update for insn_data change.
7084 * builtins.c (expand_builtin_strlen): Likewise.
7085 (expand_builtin_memcmp): Likewise.
7086 * combine.c (make_extraction, simplify_comparison): Likewise.
7087 * cse.c (canon_reg, cse_insn): Likewise.
7088 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
7089 * expmed.c (store_bit_field, extract_bit_field): Likewise.
7090 (emit_store_flag): Likewise.
7091 * expr.c (convert_move, emit_block_move): Likewise.
7092 (clear_storage, emit_push_insn, expand_increment): Likewise.
7093 (do_store_flag): Likewise.
7094 * expr.h (GEN_FCN): Likewise.
7095 (insn_gen_function): Die.
7096 * final.c (final_scan_insn): Update for insn_data change.
7097 (output_asm_name): Likewise.
7098 * function.c (fixup_var_refs_1): Likewise.
7099 * loop.c (check_dbra_loop): Likewise.
7100 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
7101 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
7102 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
7103 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
7104 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
7105 * regmove.c (gen_add3_insn): Likewise.
7106 * reload.c (push_secondary_reload, combine_reloads): Likewise.
7107 (find_reloads, find_reloads_address_1): Likewise.
7108 (debug_reload_to_stream): Likewise.
7109 * reload1.c (emit_reload_insns, gen_reload): Likewise.
7110 * stmt.c (expand_end_case): Likewise.
7111 * toplev.c (compile_file): Likewise.
7113 * c4x/c4x.c (c4x_process_after_reload): Likewise.
7114 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
7116 * print-rtl.c (insn_name_ptr): Remove declaration.
7117 (get_insn_name): Declare.
7118 (print_rtx): Use it.
7119 * genoutput.c (insn_name_ptr): Remove.
7120 (next_operand_number): New.
7121 (struct operand_data): New.
7122 (null_operand, odata, odata_end): New.
7123 (struct data): Use struct operand_data.
7124 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
7125 (get_insn_name): Renamed from name_for_index.
7126 (output_prologue): Define NO_MD_PROTOTYPES.
7127 (output_predicate_decls): Break out from output_epilogue.
7128 Iterate over the operands list.
7129 (output_operand_data): Break out from output_epilogue. Emit
7130 just the operands list.
7131 (output_insn_data): Break out from output_epilogue. Emit just
7133 (output_epilogue): Remove.
7134 (output_get_insn_name): New.
7135 (constraints, op_n_alternatives, predicates, address_p): Die.
7136 (modes, strict_low, seen): Die.
7137 (scan_operands): Take new param `d' instead of writing to
7138 seven global variables.
7139 (compare_operands): New.
7140 (place_operands): New.
7141 (validate_insn_alternatives): Update for struct data change.
7142 (gen_insn): Don't zero or copy 7 global arrays. Update for
7143 scan_operands; call place_operands.
7144 (gen_peephole, gen_expand, gen_split): Likewise.
7145 (main): Update for new output routines.
7147 * genattr.c (insn_name_ptr): Remove.
7148 (get_insn_name): New function.
7149 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
7150 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
7151 * genrecog.c: Likewise.
7153 * alpha.md (adddi3): Make `pattern' array static.
7155 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7157 * config/c4x/c4x.h (c4x_rpts_cycles_string,
7158 c4x_cpu_version_string): Constify char *.
7159 * config/c4x/c4x.c (c4x_rpts_cycles_string,
7160 c4x_cpu_version_string): Likewise.
7162 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
7164 * tree.c (save_tree_status): Revert 10 Sep change.
7165 (restore_tree_status): Likewise. Call obstack_free with NULL
7166 before freeing the obstack proper.
7168 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
7170 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
7172 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
7173 surrounding context.
7175 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
7177 * tree.c (type_hash_canon): Put all types in the hash-table, when
7180 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
7182 * recog.h (struct recog_data, recog_data): New.
7183 (recog_foo variables): Kill.
7184 * recog.c (recog_operand, recog_operand_loc): Kill.
7185 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
7186 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
7187 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
7188 (recog_data): Define.
7189 (extract_insn): Update all recog_foo references to use recog_data.
7190 (preprocess_constraints, constrain_operands): Likewise.
7191 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
7192 * genattrtab.c (main): Likewise.
7193 * genextract.c (main): Likewise.
7194 * genoutput.c: Likewise.
7195 * genrecog.c (write_subroutine, main): Likewise.
7196 * local-alloc.c (block_alloc): Likewise.
7197 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
7198 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
7199 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
7200 * reload.c (find_reloads, find_reloads_toplev): Likewise.
7201 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
7202 (reload_cse_simplify_operands): Likewise.
7204 * arc/arc.c (arc_final_prescan_insn): Likewise.
7205 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
7206 * h8300/h8300.c (notice_update_cc): Likewise.
7207 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
7208 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
7209 * mn10200/mn10200.c (notice_update_cc): Likewise.
7210 * mn10300/mn10300.c (notice_update_cc): Likewise.
7211 * romp/romp.c (update_cc): Likewise.
7212 * sparc/sparc.c (check_pic): Likewise.
7213 * v850/v850.c (notice_update_cc): Likewise.
7215 * genemit.c (main): Don't declare recog_operand.
7217 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
7219 * ggc.h (rtvec_def): Forward declare.
7220 (tree_node): Likewise.
7223 (ggc_set_mark_rtx): Add prototype.
7224 (ggc_set_mark_rtvec): Likewise.
7225 (ggc_set_mark_tree): Likewise.
7226 * ggc-simple.c (ggc_root): Don't define.
7227 (roots): Don't declare.
7228 (ggc_mark_rtx): Remove.
7229 (ggc_mark_rtvec): Likewise.
7230 (ggc_mark_tree): Likewise.
7231 (ggc_mark_varray): Likewise.
7232 (ggc_mark_tree_hash_table_entry): Likewise.
7233 (ggc_mark_tree_hash_table): Likewise.
7234 (ggc_set_mart_rtx): New function.
7235 (ggc_set_mark_rtvec): Likewise.
7236 (ggc_set_mark_tree): Likewise.
7237 (ggc_add_root): Remove.
7238 (ggc_add_rtx_root): Likewise.
7239 (ggc_remove_tree_root): Likewise.
7240 (ggc_add_string_root): Likewise.
7241 (ggc_add_tree_varray_root): Likewise.
7242 (ggc_add_tree_hash_table_root): Likewise.
7243 (ggc_del_root): Likewise.
7244 (ggc_mark_rtx_ptr): Likewise.
7245 (ggc_mark_tree_ptr): Likewise.
7246 (ggc_mark_string_ptr): Likewise.
7247 (ggc_mark_tree_varray_ptr): Likewise.
7248 (ggc_mark_tree_hash_table_ptr): Likewise.
7249 * ggc-common.c: New file.
7250 * Makefile.in (OBJS): Add ggc-common.o.
7251 (ggc-common.o): List dependencies.
7253 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
7255 * cppalloc.c (xstrdup): Use memcpy.
7256 * cpperror.c (cpp_print_containing_files): Don't use
7258 * cpplib.c (conditional_skip): Set temp->lineno.
7259 (do_endif): Make error message less obscure.
7260 (if_directive_name): New function.
7261 (cpp_get_token [case EOF]): Unwind the if stack and generate
7262 error messages for each unterminated conditional in this file.
7263 (parse_string): Do not behave differently if -traditional.
7265 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
7267 * builtins.c (expand_builtin_va_arg): Cope with an array-type
7268 va_list decomposing to pointer-type.
7269 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
7270 (rs6000_va_arg): Likewise.
7272 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
7274 * except.c (start_dynamic_handler): Compute size using
7275 STACK_SAVEAREA_MODE.
7277 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7279 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
7280 include directory headers. Don't define strrchr. Don't provide
7281 my_* replacement functions. Prefer PTR over `pointer_type'.
7282 Don't prototype system functions. Don't redefine getopt.
7284 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
7285 safe_read, safe_write, save_pointers, restore_pointers,
7286 is_id_char, in_system_include_dir, directory_specified_p,
7287 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
7288 find_corresponding_lparen, referenced_file_is_newer,
7289 save_def_or_dec, munge_compile_params, gen_aux_info_file,
7290 process_aux_info_file, identify_lineno, check_source,
7291 seek_to_line, forward_to_next_token_char, output_bytes,
7292 output_string, output_up_to, other_variable_style_function,
7293 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
7294 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
7295 find_static_definition, connect_defs_and_decs, add_local_decl,
7296 add_global_decls, needs_to_be_converted, visit_each_hash_node,
7297 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
7298 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
7299 scan_for_missed_items, edit_file, string_list_cons): Add static
7301 (standard_exec_prefix, target_machine, target_version,
7302 default_syscalls_dir, string_list, string_list_cons, find_file,
7303 do_cleaning): Constify a char*.
7304 (safe_read, safe_write): Use PTR, not a char*.
7305 (is_id_char): Take an int, not a char.
7306 (main): Add prototype. Call return, not exit.
7308 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
7310 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
7311 when comparing types.
7313 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
7315 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
7316 (strength_reduce): Release the varrays from the no-bivs early exit.
7318 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
7319 the loop over the registers.
7321 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
7323 (restore_tree_status): Check that instead when freeing the obstack.
7325 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
7327 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
7330 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7332 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
7333 operand size modifiers.
7335 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7337 * c-common.c (c_common_nodes_and_builtins): Don't build
7339 * c-common.h (enum c_tree_index and related accesor macros): Remove
7340 everything now declared in tree.h.
7341 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7342 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
7343 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
7344 (error_mark_node, void_type_node, char_type_node, integer_type_node,
7345 unsigned_type_node, ptr_type_node, va_list_type_node,
7346 integer_zero_node, null_pointer_node, integer_one_node): Delete.
7347 (init_decl_processing): Call build_common_tree_nodes and
7348 build_common_tree_nodes_2 instead of building their nodes here.
7349 Don't add roots for these nodes.
7350 * stor-layout.c (size_zero_node, size_one_node): Delete.
7351 (set_sizetype): Make a new node for bitsizetype each time.
7352 * tree.c (global_trees): New variable.
7353 (init_obstacks): Add a gc root for it.
7354 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7355 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
7356 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
7357 (build_common_tree_nodes): New function.
7358 (fix_sizetype): New function.
7359 (build_common_tree_nodes_2): New function.
7360 * tree.h (enum tree_index): New.
7361 (global_trees): Declare.
7362 Add accessor macros for all nodes now moved to global_trees.
7363 Delete their declarations.
7365 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
7367 * c-decl.c (finish_function): When processing a nested function,
7368 push and pop GC context around rest_of_compilation.
7370 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
7372 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
7373 Default ix86_arch to PROCESSOR_I386.
7374 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
7375 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
7376 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
7377 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
7378 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
7379 (EXTRA_SPECS): Remove deleted specs.
7381 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
7383 * function.c (assign_stack_local_1): Allocate from
7384 function->x_frame_offset, not frame_offset.
7386 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
7388 * ggc.h (lang_cleanup_tree): Remove.
7389 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
7390 * ggc-callbacks.c (lang_cleanup_tree): Remove.
7392 * c-decl.c (finish_struct): Use ggc_alloc to allocate
7393 TYPE_LANG_SPECIFIC when garbage collecting.
7394 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
7395 (lang_cleanup_tree): Remove.
7397 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
7399 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
7400 * crtstuff.c: Not here.
7401 * dwarf2out.c: Or here.
7402 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
7405 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
7407 * function.h (free_after_compilation): Remove decl parameter.
7408 (free_varasm_status0: Likewise.
7409 (free_emit_status): Likewise.
7410 (free_stmt_status): Likewise.
7411 (free_after_compilation): Likewise.
7412 (init_lang_status): New variable.
7413 (free_lang_status): Likewise.
7414 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
7415 * function.c (init_lang_status): New variable.
7416 (free_lang_status): Likewise.
7417 (push_function_context_to): Don't set function::decl here.
7418 (free_after_copmilation): Make decl parameter implicit. Call
7419 free_lang_status if defined.
7420 (prepare_function_start): Call init_lang_status if defined.
7421 (init_function_start): Set function::decl here.
7422 * profile.c (output_func_start_profiler): Don't call pushdecl
7423 until we've actually started the function.
7424 * stmt.c (free_stmt_status): Make decl parameter implicit.
7425 * toplev.c (rest_of_compilation): Don't pass decl to
7426 free_after_compilation.
7427 * varasm.c (free_varasm_status): Likewise.
7429 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7431 * except.c (call_get_eh_context): Add root when allocating static
7434 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
7436 * arm.c: Include "ggc.h".
7437 (arm_add_gc_roots): New function.
7438 (arm_override_options): Call it.
7439 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
7441 * arm.md (define_asm_attributes): Add a pool_range attribute.
7443 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
7445 * extend.texi (Volatiles): New node.
7447 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
7449 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
7450 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
7451 (struct ggc_any): Replace `mark' with `magic_mark'.
7452 (ggc_alloc_string): Use memcpy, not bcopy.
7453 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
7454 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
7455 (ggc_free_any): New.
7456 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
7457 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
7458 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
7459 Use IS_MARKED. Use ggc_free_any.
7461 1999-09-09 Scott Bambrough <scottb@netwinder.org>
7463 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
7465 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
7467 * toplev.c (main): Always init_ggc.
7469 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
7471 * except.c (find_all_handler_type_matches): Free the list if
7472 we found no matches.
7474 * combine.c (SUBST): Break out to a real function do_SUBST.
7475 (SUBST_INT): Likewise.
7476 * gcse.c (free_pre_mem): Free `temp_bitmap'.
7477 (pre_insert): Free `inserted'.
7478 * loop.c (basic_induction_var): Always set `location'.
7480 * function.c (expand_function_end): Add initial_trampoline as a root.
7481 * rtl.h (init_varasm_once): Declare.
7482 * toplev.c (compile_file): Call it.
7483 * ggc-simple.c (ggc_mark_string_ptr): New.
7484 (ggc_add_string_root): New.
7485 (ggc_collect): Disable collection avoidance temporarily.
7486 * ggc.h (ggc_add_string_root): Declare.
7487 * except.c (create_rethrow_ref): Use ggc_alloc_string.
7488 * optabs.c (init_libfuncs): Likewise.
7489 * varasm.c (named_section): Use ggc_alloc_string.
7490 (make_function_rtl): Likewise.
7491 (make_decl_rtl): Likewise.
7492 (assemble_static_space): Likewise.
7493 (assemble_trampoline_template): Likewise.
7494 (output_constant_def): Likewise.
7495 (force_const_mem): Likewise.
7496 (mark_const_hash_entry): New.
7497 (mark_pool_sym_hash_table): New.
7498 (mark_varasm_state): Use it.
7499 (init_varasm_once): New.
7501 * expr.h (init_one_libfunc): Declare.
7502 * optabs.c (init_one_libfunc): New.
7503 (init_optabs): Use it.
7504 * config/gofast.h: Likewise.
7505 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
7506 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
7508 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
7510 * Makefile.in (cppexp.o): Depend on cpphash.h.
7511 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
7513 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
7514 * cpplib.c (do_define): Generalise to handle poisoned definitions,
7515 redefining poisoned identifiers, etc.
7516 (do_undef): Don't allow poisoned identifiers to be undefined.
7517 (do_pragma): Add #pragma poison.
7518 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
7520 * cccp.c: Add T_POISON node type.
7521 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
7523 (do_define): Generalise to handle poisoned definitions,
7524 redefining poisoned identifiers, etc.
7525 (do_undef): Don't allow poisoned identifiers to be undefined.
7526 (do_pragma): Add #pragma poison.
7527 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
7529 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
7530 * c-pragma.h: Add ps_poison state. We now always have generic
7533 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
7535 * ggc.h (ggc_alloc): New function.
7536 (ggc_mark): Likewise.
7537 * ggc-simple.c (ggc_any): New structure.
7538 (ggc_status): Add anys.
7539 (n_anys_collected): New variable.
7540 (ggc_alloc): Define.
7541 (ggc_mark): Likewise.
7542 (ggc_collect): Collect the anys.
7544 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7546 * c-decl.c (mark_binding_level): Make static to match prototype.
7548 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
7550 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
7552 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
7554 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
7555 will use into account. Expand the max width to 5.
7558 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
7560 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
7563 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
7565 * alpha.md (call value patterns): Remove the result predicates.
7567 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
7569 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
7572 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7574 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
7575 changed from extern char *, to extern PTR. Also fix typo in
7576 NEED_DECLARATION_REALLOC test.
7578 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
7580 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7582 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
7583 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
7584 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
7585 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
7587 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
7589 * cccp.c (pcfinclude): Likewise.
7591 * global.c (allocno_compare): Likewise.
7593 * haifa-sched.c (rank_for_schedule): Likewise.
7595 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
7597 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
7599 * stupid.c (stupid_reg_compare): Likewise.
7601 * tree.c (_obstack_allocated_p): Likewise.
7603 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
7605 1999-09-08 Bruce Korb autogen@linuxbox.com
7607 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
7608 why "gperf -F" fails.
7609 * gcc/cp/Makefile.in: ditto
7610 * gcc/Makefile.in: ditto
7611 * gcc/java/Makefile.in: ditto
7613 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
7615 * lists.c: Include ggc.h.
7617 (init_EXPR_INSN_LIST_cache): Install it.
7619 * ggc-simple.c (init_ggc): Absorb the old init.
7620 (ggc_push_context): Use xcalloc.
7621 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
7622 (ggc_collect): Add [rvts] tags to the collection stats.
7624 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
7626 * cccp.c (main): Fix handling of -include and -imacros options.
7628 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
7630 * cpplib.c (cpp_push_buffer): Fix order of arguments.
7632 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
7634 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
7637 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
7639 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
7640 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
7641 and SET_DEST. Update comment.
7643 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7645 * config/c4x/c4x.c: Include ggc.h.
7646 (c4x_add_gc_roots): New function.
7647 (c4x_override_options): Call c4x_add_gc_roots.
7649 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
7651 * defaults.h (TARGET_ESC): Move ...
7652 * system.h: ... here, where Linas had it in the first place. Silly me.
7654 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
7656 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
7657 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
7658 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
7659 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
7660 * defaults.h (TARGET_ESC): Add default.
7662 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
7664 * configure.in: add i370-*-openedition, i370-*-mvs and
7665 i370-*-linux targets
7667 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
7669 * dsp16xxx.c: Include ggc.h
7670 (override_options): Mark GC roots.
7671 * mn10200.c: Include ggc.h.
7672 (asm_file_start): Mark GC roots.
7673 * tahoe.c: Include ggc.h.
7674 (extensible_operand): Mark GC roots.
7676 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
7678 * README: Add section discussing status of ELF ABI.
7679 * i370.c: Fix misc spelling mistakes.
7680 (i370_label_scan): Updated notes, exception handling.
7681 (i370_function_prolog): Simplify ELF stack handling.
7682 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
7683 (STACK_GROWS_DOWNWARD): ELF stack grows down.
7684 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
7685 * i370.md: (movdi): Add notes.
7686 (floatsidf2): Use stack not rtca for scratch float area.
7687 (iorsi3): Correct operand constraints.
7688 * x-oe: Restore TAROUTOPTS which are used by pax.
7690 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
7692 * rs6000.c: Include ggc.h.
7693 (rs6000_add_gc_roots): New function.
7694 (override_options): Call it.
7696 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
7698 * alpha.h (alpha_compare): New.
7699 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
7700 * alpha.c: Likewise for the definitions.
7701 (alpha_emit_conditional_branch): Update for alpha_compare.
7702 (alpha_emit_conditional_move): Likewise.
7703 * alpha.md (cmpdf, cmpdi): Likewise.
7704 (setcc patterns): Likewise. Zero alpha_compare after use.
7705 (sne): Optimize (x != 0) into (0U < x).
7707 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
7709 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
7710 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
7711 (INIT_EXPANDERS): Remove.
7712 * alpha.c: Include ggc.h.
7713 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
7714 (alpha_init_machine_status, alpha_mark_machine_status): New.
7715 (override_options): Install them.
7716 (struct machine_function): Moved to alpha.h.
7717 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
7718 (alpha_init_expanders): Remove.
7719 (alpha_return_addr): Adjust to use current_function->machine.
7720 (alpha_ra_ever_killed): Likewise.
7721 (alpha_expand_epilogue): Likewise.
7722 * alpha.md (eh_epilogue): Likewise.
7724 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
7725 Melissa O'Neill <oneill@cs.sfu.ca>
7726 Geoffrey Keating <geoffk@cygnus.com>
7728 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
7729 call-used registers (call-saved registers must still be contiguous
7730 and end with r31, of course).
7732 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
7734 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
7735 (self_promoting_type_p): Delete.
7736 (self_promoting_args_p): Move ...
7737 * c-common.c: ... here.
7738 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
7739 (simple_type_promotes_to): New.
7740 * builtins.c (lang_type_promotes_to): New.
7741 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
7742 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
7743 * c-common.h: ... here.
7744 (self_promoting_args_p, simple_type_promotes_to): Declare.
7745 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
7746 (grokdeclarator): Likewise.
7747 * tree.h (lang_type_promotes_to): Declare.
7749 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
7751 Add some machine-dependent GC roots.
7752 * sparc.c: Include ggc.h.
7753 (sparc_add_gc_roots): New function.
7754 (mark_ultrasparc_pipeline_state): Likewise.
7755 (override_options): Call sparc_add_gc_roots.
7756 * pa.c: Include ggc.h.
7757 (pa_add_gc_roots): New function.
7758 (mark_deferred_plabels): Likewise.
7759 (override_options): Call pa_add_gc_roots.
7760 * mips.c: Include ggc.h.
7761 (mips_add_gc_roots): New function.
7762 (override_options): Use it.
7764 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7766 * cpperror.c (cpp_file_line_for_message): Constify a char*.
7768 * cppexp.c (parse_number, parse_charconst, cpp_lex,
7769 cpp_parse_expr): Add static prototypes.
7770 (parse_charconst): Don't cast away const-ness.
7771 (token): Constify a char*.
7773 * cppfiles.c (file_name_list, include_hash, find_include_file,
7774 finclude, initialize_input_buffer): Constify a char*.
7775 (file_cleanup, find_position): Add static prototypes.
7777 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
7778 collect_expansion): Add static prototypes.
7779 (cpp_install, create_definition, monthnames): Constify a char*.
7781 * cpphash.h (cpp_install): Likewise.
7783 * cppinit.c (known_suffixes, default_include,
7784 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
7785 (base_name, dump_special_to_buffer, initialize_dependency_output):
7786 Add static prototypes.
7788 * cpplib.c (my_strerror): Constify a char*.
7789 (null_underflow, null_cleanup, skip_comment, copy_comment,
7790 copy_rest_of_line, handle_directive, pass_thru_directive,
7791 get_directive_token, read_line_number, cpp_print_file_and_line,
7792 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
7793 v_cpp_warning_with_line, detect_if_not_defined,
7794 consider_directive_while_skipping): Add static prototypes.
7795 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
7796 cpp_pedwarn_with_file_and_line): Constify a char*.
7798 * cpplib.h (cpp_options, include_hash, progname, definition,
7799 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
7800 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
7801 find_include_file, deps_output, include_hash): Constify a char*.
7803 * cppmain.c (progname): Constify.
7804 (main): Add prototype. Use return, not exit.
7806 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
7807 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
7808 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
7809 check_protection): Add static prototype.
7811 (progname, recognized_macrom, recognized_extern): Constify a char*.
7812 (main): Add prototype.
7814 * gen-protos.c (progname): Constify a char*.
7816 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
7818 * emit-rtl.c (free_emit_status): Take decl as a parameter.
7819 (init_emit_once): Add more GC roots.
7820 * except.c (mark_func_eh_entry): New function.
7821 (mark_eh_node): Mark false_label and rethrow_label.
7822 (init_eh): Add more GC roots.
7823 * function.c (free_after_compilation): Take decl as a paramter.
7824 Call free_stmt_status.
7825 (mark_function_state): Don't assume x_parm_reg_stack_loc is
7827 * function.h (free_after_compilation): Change prototype.
7828 (free_varasm_status): Likewise.
7829 (free_emit_status): Likewise.
7830 (free_stmt_status): New function.
7831 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
7832 Remove, replacing with ...
7833 (ggc_status): New structure.
7834 (ggc_chain): New variable.
7836 (ggc_push_context): New function.
7837 (ggc_pop_context): Likewise.
7838 (ggc_alloc_rtx): Adjust for use of ggc_chain.
7839 (ggc_alloc_rtvec): Likewise.
7840 (ggc_alloc_tree): Likewise.
7841 (ggc_alloc_string): Likewise.
7842 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
7843 (ggc_mark_tree): Give language-dependent code a chance to mark
7845 (ggc_mark_tree_varray): Handle empty arrays.
7846 (ggc_collect): Adjust for use of ggc_chain. Clear
7847 bytes_alloced_since_last_gc.
7848 * ggc.h (ggc_pop_context): New function.
7849 (ggc_push_context): Likewise.
7850 * print-tree.c (print_node): Don't print obstacks when GC'ing.
7851 * stmt.c (free_stmt_status): New function.
7852 (init_stmt_for_function): Clear last_expr_value.
7853 * toplev.c (rest_of_compilation): Always call free_after_compilation.
7854 Conditionalize call to ggc_collect.
7855 (main): Call init_ggc.
7856 * tree.c (push_obstacks): Do the push, even when GC'ing.
7857 (push_obstacks_nochange): Likewise.
7858 (pop_obstacks): Liekwise.
7859 * varasm.c (free_varasm_status): Take decl as a parameter.
7861 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
7863 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
7864 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
7865 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
7866 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
7868 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
7870 * pa/x-pa-mpeix: New file for the MPE port.
7872 * pa/quadlib.asm: New file for long double support.
7874 * configure.in: Add hppa1.0-*-mpeix for MPE port.
7875 * configure: Rebuilt.
7877 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
7879 * final.c (shorten_branches): Fix last change.
7881 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
7883 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
7885 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
7887 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
7890 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7892 * c-aux-info.c (concat): Don't define.
7894 * cccp.c (my_strerror): Likewise. All callers changed to use
7896 (do_include): Call xstrdup, not xmalloc/strcpy.
7897 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
7898 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
7900 * collect2.c (my_strsignal): Likewise. All callers changed to use
7902 (locatelib): Call xstrdup, not xmalloc/strcpy.
7904 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
7906 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
7908 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
7910 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
7912 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
7914 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
7916 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
7918 (find_all_handler_type_matches): Likewise. Don't check return
7920 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
7921 xmalloc, not malloc.
7922 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
7924 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
7925 (init_spec): Call xcalloc, not xmalloc/bzero.
7926 (set_spec): Call xstrdup, not save_string.
7927 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
7928 (find_a_file): Call xstrdup, not xmalloc/strcpy.
7929 (process_command): Call xstrdup, not save_string.
7930 (main): Call xcalloc, not xmalloc/bzero.
7932 * gcov.c (xmalloc): Don't define.
7933 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
7934 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
7935 (output_data): Call xcalloc, not xmalloc/bzero.
7937 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
7939 * mips-tdump.c (xmalloc): Don't define.
7940 (print_symbol): Call xmalloc, not malloc.
7941 (read_tfile): Call xcalloc, not calloc.
7943 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
7944 Don't define. All callers of xfree/my_strsignal changed to use
7945 free/strsignal instead.
7946 (allocate_cluster): Call xcalloc, not calloc.
7948 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
7949 Fix memory leak, free allocated memory.
7951 * prefix.c (translate_name): Call xstrdup, not save_string.
7952 (update_path): Likewise.
7954 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
7956 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
7957 Don't define. Callers of xfree/savestring2 changed to use
7958 free/concat instead.
7960 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
7961 (init_elim_table): Likewise.
7963 * resource.c (init_resource_info): Likewise.
7965 * stupid.c (stupid_life_analysis): Likewise.
7967 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
7968 (open_dump_file): Call concat, not xmalloc/strcpy/...
7969 (clean_dump_file): Likewise.
7970 (compile_file): Call xstrdup, not xmalloc/strcpy.
7972 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
7974 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
7975 * v850.c (v850_va_arg): New.
7977 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7979 * haifa-sched.c: Tidy comments.
7981 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7983 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
7984 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
7985 $(out_object_file)): Depend on ggc.h.
7986 * c-common.c: Include "ggc.h".
7987 (combine_strings): If doing GC, use ggc_alloc_string.
7988 * c-decl.c: Include "ggc.h".
7989 (ggc_p): Define with value 0.
7990 (mark_binding_level): New function.
7991 (init_decl_processing): Add GC roots.
7992 (mark_c_function_context): New function.
7993 (lang_mark_false_label_stack): New function.
7994 (lang_mark_tree): New function.
7995 (lang_cleanup_tree): New function.
7996 * c-lang.c: Include "ggc.h".
7997 (lang_init): Call c_parse_init.
7998 * c-lex.c: Include "ggc.h".
7999 (check_linenum): If doing GC, don't copy filenames to permanent
8001 * c-parse.in: Include "ggc.h".
8002 (c_parse_init): New function.
8003 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
8004 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
8006 * except.c (mark_eh_state): Mark more state.
8007 * function.c (mark_function_state): Likewise.
8008 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
8009 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
8010 * toplev.c (mark_file_stack): New function.
8011 (compile_file): If doing GC, use ggc_alloc_string on input filename.
8012 (main): Add root for input_file_stack.
8014 * i386.c: Include "ggc.h".
8015 (ix86_mark_machine_status): New function.
8016 (override_options): Set mark_machine_status.
8018 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8020 * tree.c (copy_node): Copy node contents also if doing GC.
8022 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
8024 * collect2.c (scan_libraries): Fix double-thinko :-).
8026 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
8028 * collect2.c (scan_libraries): Fix thinko.
8030 * cse.c (delete_trivially_dead_insns): Do not skip the last
8031 insn if it is a real insn.
8033 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
8035 * Makefile.in (ggc-simple.o): Depend on hash.h.
8036 * ggc.h (ggc_add_tree_hash_table_root): Declare.
8037 (ggc_mark_tree_varray): Likewise.
8038 (ggc_mark_tree_hash_table): Likewise.
8039 * ggc-simple.c: Include hash.h.
8040 (ggc_mark_tree_hash_table_ptr): New function.
8041 (ggc_mark_tree_hash_table_entry): Likewise.
8042 (ggc_mark_tree_hash_table): Likewise.
8043 (ggc_add_tree_hash_table_root): Likewise.
8044 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
8045 rtx, when defining fields.
8047 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8049 * profile.c (output_func_start_profiler): Remove apparently
8050 nonsensical call to start_sequence.
8052 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
8054 * clipper/clipper.c (clipper_va_start): Fix typos.
8056 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
8057 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
8058 (spur_va_arg): New stub.
8060 * configure.in: Comment out pyramid.
8062 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
8064 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
8065 don't conflict with the bits that win32, cygwin, and dgux
8068 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
8069 Bernd Schmidt <bernds@cygnus.co.uk>
8071 * integrate.c (function_cannot_inline_p): Do not inline
8072 functions with forced labels.
8074 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
8075 Bernd Schmidt <bernds@cygnus.co.uk>
8076 Mark Mitchell <mark@codesourcery.com>
8078 * Makefile.in (ggc-simple.o): Depend on varray.h.
8079 (rtl.o): Depend on ggc.h.
8080 (genattrtab.o): Depend on ggc.h.
8081 (print-tree.o): Likewise.
8082 (fold-const.o): Likewise.
8083 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
8084 (make_insn_raw): Don't cache insns when GC'ing.
8085 (emit_insn_before): Likewise.
8086 (emit_insn_after): Likewise.
8087 (emit_insn): Likewise.
8088 (start_sequence): Use xmalloc to allocate the sequence_stack.
8089 (end_sequence): Add free to free it.
8090 (gen_sequence): Don't cache insns when GC'ing.
8091 (clear_emit_caches): Don't use sequence_element_free_list.
8092 (init_emit): Use xcalloc, not xmalloc+bzero.
8093 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
8094 * function.c (pop_function_context_from): Use free to free the
8095 fixup_var_refs_queue.
8096 (put_reg_into_stack): Allocate it with xmalloc.
8097 * genattrtab.c: Include ggc.h.
8098 (operate_exp): Don't use obstack_free when GC'ing.
8099 (simplify_cond): Likewise.
8100 (simplify_text_exp): Likewise.
8101 (optimize_attrs): Likewise.
8102 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
8104 (gencode): Generate a #include for ggc.h.
8105 * ggc-callbacks.c (ggc_p): Define it to zero.
8106 * ggc-none.c (ggc_p): Likewise.
8107 * ggc-simple.c: Include varray.h.
8108 (ggc_mark_tree_varray): New function.
8109 (ggc_add_tree_varray_root): Likewise.
8110 (ggc_mark_tree_varray_ptr): Likewise.
8111 * ggc.h (ggc_p): Declare.
8112 (varray_head_tag): Likewise.
8113 (ggc_add_tree_varray_root): Declare.
8114 * print-tree.c (print_node): Don't check for TREE_PERMANENT
8115 inconsistencies when GC'ing.
8116 * rtl.c: Include ggc.h.
8117 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
8118 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
8119 (rtx_free): Don't call obstack_free when GC'ing.
8120 * toplev.c (rest_of_compilation): Call ggc_collect after every
8122 * tree.c (push_obstacks): Do nothing, if GC'ing.
8123 (pop_obstacks_nochange): Likewise.
8124 (pop_obstacks): Likewise.
8125 (make_node): Use ggc_alloc_tree when GC'ing.
8126 (copy_node): Likewise.
8127 (get_identifier): Use ggc_alloc_string when GC'ing.
8128 (build_string): Likewise.
8129 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
8130 (tree_cons): Likewise.
8132 (type_hash_canon): Don't call obstack_free when GC'ing.
8134 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
8136 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
8137 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
8139 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
8140 Bernd Schmidt <bernds@cygnus.co.uk>
8141 Mark Mitchell <mark@codesourcery.com>
8143 * Makefile.in (stor-layout.o): Depend on ggc.h.
8144 (expr.o): Depend on ggc.h.
8145 (profile.o): Depend on ggc.h.
8146 (stor-layout.o): Depend on ggc.h.
8147 * emit-rtl.c (init_emit_once): Add gc roots.
8148 * expr.c: Include ggc.h.
8149 (emit_block_move): Add gc roots.
8150 (clear_storage): Likewise.
8151 * expr.h (init_stor_layout_once): New function.
8152 * profile.c: Include ggc.h.
8153 (init_arc_profiler): profiler_label is a root.
8154 * scan.c (make_sstring_space): Trust xrealloc to function
8155 correctly with first parameter NULL.
8156 * stor-layout.c: Include ggc.h.
8157 (set_sizetype): Add gc root.
8158 (init_stor_layout_once): New function.
8159 * toplev.c (compile_file): Call it.
8161 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
8162 Bernd Schmidt <bernds@cygnus.co.uk>
8163 Mark Mitchell <mark@codesourcery.com>
8165 * Makefile.in (tree.o): Depend on ggc.h.
8166 (varasm.o): Likewise.
8167 (function.o): Likewise.
8169 (except.o): Likewise.
8170 (optabs.o): Likewise.
8171 (emit-rtl.o): Likewise.
8172 * emit-rtl.c: Include ggc.h.
8173 (sequence_element_free_list): Remove, and all references.
8174 (mark_sequence): New functions.
8175 (mark_emit_state): New function.
8176 * except.c: Include ggc.h.
8177 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
8178 (mark_tree_label_node): New functions.
8179 (mark_eh_state): New function.
8180 * function.c: Include ggc.h.
8181 (mark_temp_slot, mark_function_chain): New functions.
8182 (mark_function_state): New function.
8183 (init_function_once): New function.
8184 * function.h (init_function_once): New function.
8185 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
8186 * ggc.h (label_node): Declare.
8187 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
8188 (lang_mark_false_label_stack): New function.
8189 (mark_temp_slot): Remove declaration.
8190 (mark_function_chain): Likewise.
8191 (mark_eh_state): Adjust prototype.
8192 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
8194 * optabs.c: Include ggc.h.
8195 (mark_optab): New function.
8196 (init_optabs): Add gc roots.
8197 * stmt.c: Include ggc.h.
8198 (mark_cond_nesting, mark_loop_nesting): New functions.
8199 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
8200 (mark_stmt_state): New function.
8201 * toplev.c (compile_file): Call init_function_once.
8202 * tree.c: Include ggc.h.
8203 (type_hash): Move declaration earlier in file.
8204 (TYPE_HASH_SIZE, type_hash_table): Likewise.
8205 (init_obstacks): Add gc roots.
8206 (mark_type_hash): New function.
8207 * varasm.c: Include ggc.h.
8208 (mark_pool_constant): New function.
8209 (mark_varasm_state): New function.
8211 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8213 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
8215 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8217 * c-decl.c (struct language_function): Renamed from struct c_function.
8219 (c_function_chain): Delete.
8220 (push_c_function_context): New arg F. Don't warn about nested
8221 functions here. Fill LANGUAGE elt of F. Delete code to update
8222 c_function_chain. Don't call push_function_context.
8223 (pop_c_function_context): New arg F. Restore from there instead of
8224 from c_function_chain. Don't call pop_function_context. Clear out
8225 LANGUAGE field of F when done.
8226 * c-lang.c: Include "function.h"
8227 (lang_init): Initialize save_lang_status and restore_lang_status.
8228 * c-parse.in (nested_function, nested_function_notype): Warn about
8229 nested functions. Call push_function_context/pop_function_context
8230 instead of the _c_ variants.
8231 * c-tree.h (push_c_function_context, pop_c_function_context): Update
8233 * Makefile.in (c-lang.o): Update dependencies.
8235 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
8236 regno_pointer_flag, regno_pointer_align.
8237 (gen_reg_rtx): Use xrealloc to enlarge them.
8238 (free_emit_status): New function.
8239 * function.c (mark_machine_status, mark_lang_status): New variables.
8240 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
8241 in some bits from assign_stack_local. All callers changed to use new
8243 (assign_stack_local): Just call assign_stack_local_1.
8244 (free_after_compilation): New function.
8245 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
8246 (trampoline_address): Likewise.
8247 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
8248 (prepare_function_start): Explicitly clear some more variables.
8249 * function.h (struct function): New elt can_garbage_collect.
8250 (mark_machine_status, mark_lang_status): Declare variables.
8251 (free_after_compilation, free_emit_status, free_varasm_status,
8252 init_varasm_status): Declare functions.
8253 * toplev.c (rest_of_compilation): Call free_after_compilation when
8254 done with the current function.
8255 * varasm.c (free_varasm_status): New function.
8257 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
8259 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
8260 (EXPAND_BUILTIN_VA_ARG): Define.
8261 * sparc.c (sparc_va_start): New.
8262 (sparc_va_arg): New.
8264 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8266 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
8268 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8270 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
8272 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
8274 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
8276 (ggc-callbacks.o): New target.
8277 * ggc-callbacks.c: New file.
8279 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8281 * expr.h: Collapse individual optab and libfunc vars to arrays.
8282 (optab_index, libfunc_index): New enumerations.
8283 (optab_table, libfunc_table): New arrays.
8284 Add accessor macros for both.
8286 * optabs.c (optab_table, libfunc_table): New.
8287 Delete declarations for individual optab and libfunc vars.
8289 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
8291 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
8293 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
8295 * Makefile.in (GGC, GGC_LIB): New.
8296 (HOST_RTL): Include ggc-none.o.
8297 (ggc-simple.o): New target.
8298 (ggc-none.o): Likewise.
8299 * tree.h (tree_common): Add gc_mark.
8300 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
8301 (struct rtvec_def): Add gc_mark.
8302 * emit-rtl.c (global_rtl): Update static initializers to contain
8303 enough initializers.
8304 * ggc.h, ggc-none.c, ggc-simple.c: New files.
8305 * toplev.c (gc_time): New variable.
8306 (all_time): New variable.
8307 (compile_file): Print gc time.
8308 (print_time): Calculate percentage of the whole.
8310 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8312 Change obstack memory management and varasm constant pool handling so
8313 that nested functions are treated like any other functions.
8314 * function.c (init_machine_status): New variable.
8315 (push_function_context_to): Set contains_functions for the outer
8316 function. Don't call save_varasm_status.
8317 (pop_function_context_from): Don't call restore_varasm_status. Don't
8318 set current_function_contains_functions.
8319 (prepare_function_start): Call init_varasm_status rather than
8320 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
8322 * function.h (struct function) Add field varasm. Delete fields
8323 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
8324 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
8325 (init_machine_status): Declare.
8326 (save_varasm_status, restore_varasm_status): Delete declarations.
8327 (save_tree_status, restore_tree_status): Delete last argument.
8328 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
8329 code. All callers changed.
8330 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
8331 save_constants_in_decl_trees, restore_constants, save_constants,
8332 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
8334 (inlining): New variable.
8335 (reg_map, label_map, insn_map, orig_asm_operands_vector,
8336 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
8338 (save_for_inline_nocopy): Don't save constants.
8339 Don't set inl_emit field in current_function.
8340 (expand_inline_function): Use emit field, not inl_emit, of the inlined
8341 function. Set new variable inlining before
8342 calling copy_rtx_and_substitute.
8343 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
8344 constant pool references if inlining is nonzero.
8345 Delete ADDRESS and (most of the) CONST cases.
8346 (output_inline_function): Save and restore current_function/
8347 current_function_decl. Delete restore_constants code. Don't call
8348 init_const_rtx_hash_table.
8349 * output.h (init_const_rtx_hash_table): Don't declare.
8350 * rtl.h (struct function): Declare.
8351 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
8352 * toplev.c (rest_of_compilation): Don't treat nested functions or
8353 functions containing them specially. Delete all code to deal with
8354 save_for_inline_copying.
8355 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
8356 inline_obstacks): Delete variables.
8357 (save_tree_status): Lose arg CONTEXT. All callers changed.
8358 Simply allocate a new function_maybepermanent_obstack for the new
8359 function, delete all the special cases.
8360 Don't save inline_obstacks.
8361 (restore_tree_status): Lose arg CONTEXT. All callers changed.
8362 Delete special handling for function_maybepermanent_obstack; simply
8364 Don't restore inline_obstacks.
8365 (permanent_allocation): Delete code that frees inline_obstacks.
8366 (print_inline_obstack_statistics): Delete function.
8367 (dump_tree_statistics): Don't call it.
8368 * varasm.c (struct varasm_status): New.
8369 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
8370 last_pool, pool_offset, const_double_chain): Delete global
8371 variables, replace with accessor macros.
8372 (immed_double_const): Don't walk const_double_chain outside a
8373 function, but don't treat nested functions specially anymore.
8374 (immed_real_const_1): Likewise.
8375 (clear_const_double_mem): Don't treat nested functions specially.
8376 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
8377 (save_varasm_status, restore_varasm_status): Delete functions.
8378 (init_varasm_status): New function.
8379 (force_const_mem): Don't treat nested functions specially.
8380 (find_pool_constant): Accept new arg F, search for constants in
8381 that function's pool rather than the current one. All callers
8383 (get_pool_constant_for_function, get_pool_mode_for_function): New
8386 * i386.c (init_386_machine_status): New function, mostly from
8387 clear_386_stack_locals.
8388 (struct machine_functions): Rename element names to avoid name
8390 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
8391 macros, replacing global variables.
8392 (clear_386_stack_locals, save_386_machine_status,
8393 restore_386_machine_status): Delete functions.
8394 (override_options): Initialize init_machine_status.
8395 * i386.h (INIT_EXPANDERS): Delete macro.
8396 (save_386_machine_status, restore_386_machine_status,
8397 clear_386_stack_locals): Delete declarations.
8399 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8401 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
8402 (doloop_begin): Simplify pattern and use emit_jump_insn.
8403 (doloop_end): Simplify pattern, switch operand order,
8404 and use emit_jump_insn.
8406 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8408 * function.h (struct function): Add new element LANGUAGE.
8409 (save_lang_status): Declare new variable.
8410 (restore_lang_status): Likewise.
8411 * function.c (save_lang_status): Define.
8412 (restore_lang_status): Likewise.
8413 (push_function_context_to): Call language-specific save function.
8414 (pop_function_context_from): Call language-specific restore function.
8416 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
8418 * i386.md (movsf_1): Check REG_P before use of REGNO.
8419 (movdf_1): Likewise.
8420 (movxf_1): Likewise.
8421 (extendsfdf2): Likewise.
8422 (extendsfxf2): Likewise.
8423 (extenddfxf2): Likewise.
8425 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8427 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
8428 constants into memory.
8429 (c4x_shiftable_constant): New function.
8430 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
8431 (c4x_shiftable_constant): Declare.
8432 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
8433 ashlqi3_noclobber): Add new patterns and associated splitters.
8435 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
8437 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
8438 * dwarf2out.c (dwarf2out_frame_init): Likewise.
8439 * final.c (shorten_branches): Likewise.
8440 * global.c (global_alloc): Likewise.
8441 * haifa-sched.c (build_control_flow): Likewise.
8442 * stmt.c (check_for_full_enumeration_handling): Likewise.
8443 (estimate_case_costs): Likewise.
8445 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
8447 * rtl.h (RTL_CHECKC2): Fix typo in last change.
8449 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
8451 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
8452 (recompute_reg_usage): Likewise.
8453 * rtlanal.c (find_regno_fusage): Likewise.
8455 * rtl.c (rtl_check_failed_code1): New function.
8456 (rtl_check_failed_code2): New.
8457 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
8458 (RTL_CHECKC1, RTL_CHECKC2): New.
8459 (XC*): New accessor macros.
8460 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
8461 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
8462 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
8463 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
8464 (TRAP_*, RANGE_INFO_*): Likewise.
8466 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8468 * Makefile.in (tlink.o): Don't depend on toplev.h.
8470 * collect2.c (c_file, o_file, export_file, import_file, ldout,
8471 output_file, nm_file_name, ldd_file_name, strip_file_name,
8472 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
8473 add_prefix, prefix_from_env, prefix_from_string, do_wait,
8474 fork_execute, maybe_unlink, add_to_list,
8475 extract_init_priority, write_list, dump_list,
8476 dump_prefix_list, write_list_with_asm, write_c_file,
8477 write_c_file_stat, write_c_file_glob, scan_prog_file,
8478 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
8479 ignore_library, extract_string, notice, dump_file, target_machine,
8480 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
8481 read_file, print_load_command): Constify a char*.
8482 (fdopen, error, fatal, fatal_perror): Don't prototype.
8483 (my_strerror): Remove. All callers use xstrerror instead.
8484 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
8485 (main): Add prototype. Constify lots of char* ptrs. Change calls
8486 to xcalloc/strcpy/strcat/... to one call to concat.
8487 (main, scan_prog_file, scan_libraries): Use an intermediate
8488 `const char **' to build an argv array.
8489 (mapfile, libselect, libcompare, locatelib): Add prototypes.
8491 * collect2.h (collect_execute, collect_wait, dump_file,
8492 file_exists): Constify a char*.
8493 (ldout, c_file_name, temporary_obstack, permanent_obstack,
8494 temporary_firstobj, vflag, debug): Add extern declarations.
8495 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
8497 * tlink.c: Don't include toplev.h.
8498 (vflag, debug, ldout, c_file_name, temporary_obstack,
8499 permanent_obstack, temporary_firstobj): Don't declare.
8500 (tlink_execute, frob_extension, symbol_hash_lookup,
8501 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
8502 recompile_files, read_repo_files, demangle_new_symbols,
8503 scan_linker_output): Constify a char*.
8504 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
8505 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
8507 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
8509 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
8510 (relative) rather than jsr (absolute) subroutine call insns.
8511 * config/m68k/m68k-coff.h: Ditto.
8513 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
8515 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
8516 now rework these too.
8517 (arm_reorg): If an insn can't reach the end of the current pool,
8518 ensure that we emit that pool before the insn.
8520 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
8522 * tlink.c (scan_linker_output): Skip the initial underscore in
8523 a mangled name if appropriate.
8525 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8527 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
8528 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
8529 error_with_ivar, gen_declarator, create_builtin_decl,
8530 my_build_string, generate_descriptor_table, generate_ivars_list,
8531 generate_dispatch_table, check_protocols, TAG_GETCLASS,
8532 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
8533 dump_base_name, lang_decode_option, build_encode_expr,
8534 start_class, finish_class, encode_pointer, really_start_method,
8535 gen_declaration, dump_interface, handle_class_ref, handle_impent):
8537 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
8538 Add static prototypes.
8539 (build_objc_string_decl, build_selector_reference_decl,
8540 encode_bitfield, build_class_reference_decl): Remove unused
8541 parameter, all callers changed.
8542 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
8543 (objc_printable_name): Likewise. Change second parameter to type int.
8544 (init_objc): Use memcpy, not bcopy, to avoid casts.
8546 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
8548 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
8549 reg notes on a deleted insn.
8550 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
8552 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
8554 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
8556 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8558 * stmt.c (expand_asm_operands): Fix index into inout_mode when
8561 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
8563 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
8564 * tm.texi (MD_ASM_CLOBBERS): Document it.
8566 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
8568 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
8569 * except.c (expand_rethrow): Remove unused variable.
8570 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
8571 * flow.c (replace_insns): Likewise.
8572 (create_edge_list, verify_edge_list): Likewise.
8573 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
8575 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
8576 is special code to run.
8577 (main): Don't define operands to emit_operand.
8578 * genrecog.c (main): Don't emit an empty peephole2_insn function.
8580 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
8582 * alpha/alpha.h (normal_memory_operand): Declare.
8583 (reg_no_subreg_operand): Declare.
8584 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
8586 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
8588 * c-parse.in (compstmt_primary_start): New, broken out of first
8589 part of compstmt handling in primary.
8590 (primary): Use it. Add an error clause.
8591 (compstmt_nostart): Renamed from compstmt; remove all
8592 initial invocations of compstmt_start.
8595 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
8597 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
8600 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
8602 * combine.c (simplify_shift_const): Remove extra semicolon.
8603 * dwarf2out.c (remove_AT): Likewise.
8604 * expmed.c (expand_mult): Likewise.
8605 * gcov.c (create_program_flow_graph): Likewise.
8606 * reorg.c (mostly_true_jump): Likewise.
8608 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
8610 * fold-const.c (fold_range_test): Do not try to fold the range
8611 test if the rhs or lhs has side effects.
8613 * combine.c (simplify_rtx): Recognize another case of a synthesized
8616 * varasm.c (mark_constant_pool): When marking indirect references,
8617 only look at SYMBOL_REFs.
8619 * except.c (expand_fixup_region_end): Do not peek at
8620 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
8622 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
8624 * flags.h: New variables align_loops, align_loops_log,
8625 align_jumps, align_jumps_log, align_labels, align_labels_log,
8626 align_functions, align_functions_log.
8627 * toplev.c: Define them.
8628 (f_options): Handle -falign-* when they have no argument.
8629 (main): Add logic to set variables for -falign-functions,
8630 -falign-jumps, -falign-labels, -falign-loops.
8631 Make it -fsched-verbose=<n> and -finline-limit=<n>.
8632 (display_help): Change help to match options.
8633 * final.c (LABEL_ALIGN): Default to align_labels_log.
8634 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
8635 (LOOP_ALIGN): Default to align_loops_log.
8636 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
8637 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
8638 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
8639 * varasm.c (assemble_start_function): Handle align_functions.
8641 * config/sparc/sparc.h: Don't declare sparc_align_*.
8642 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
8643 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
8645 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
8647 * config/sparc/sparc.c: Delete sparc_align_loops,
8648 sparc_align_jumps, sparc_align_funcs and the corresponding string
8650 (sparc_override_options): Default align_functions on ultrasparc.
8651 Delete -malign-* handling.
8653 * config/mips/mips.c (override_options): On 64-bit targets,
8654 try to align code to 64-bit boundaries.
8655 (print_operand): New substitution, %~,
8656 which aligns labels to align_labels_log.
8657 * config/mips/mips.md (div_trap_normal): Use %~.
8658 (div_trap_mips16): Likewise.
8663 (ashldi3_internal): Likewise.
8664 (ashrdi3_internal): Likewise.
8665 (lshrdi3_internal): Likewise.
8666 (casesi_internal): Likewise.
8668 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
8670 Merge new ia32 backend from the branch!
8672 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
8673 See ChangeLog.P2 on new_ia32_branch for details.
8675 * rtl.h (stack_regs_mentioned_p): Delete prototype.
8676 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
8677 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
8678 * i386/gas.h (ASM_FILE_START): Define.
8679 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
8680 for name change of ix86_valid_decl_attribute_p.
8681 (i386_pe_valid_type_attribute_p): Similarly.
8683 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
8685 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
8686 to step through CC modes.
8688 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8690 * regmove.c (fixup_match_1): Don't move INSN in front of P if
8691 it would end up in the shadow of a live flags regsiter.
8693 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8695 * reload1.c: Fix many indentation problems.
8696 * reload.c: Likewise.
8698 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
8700 * alias.c (non_local_reference_p): Constify fmt.
8702 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
8704 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
8706 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
8708 * cse.c (delete_trivially_dead_insns): Do not delete stores to
8709 the internal_arg_pointer.
8711 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
8713 Merge peephole2 from new_ia32_branch:
8714 * Makefile.in (STAGESTUFF): Add *.peephole2.
8715 (mostlyclean): Likewise.
8716 (recog.o): Depend on resource.h.
8718 * final.c (peephole): Conditionalize decl on HAVE_peephole.
8719 (final_scan_insn): Likewise for the invocation of peephole.
8720 * genconfig.c (main): Look for peephole and peephole2 patterns.
8721 Emit HAVE_peephole* accordingly.
8722 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
8723 * flags.h (flag_peephole2): Declare.
8724 * toplev.c: New pass peephole2. New flag -fpeephole2.
8726 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
8727 * gencodes.c (main): Likewise.
8728 * genextract.c (main): Likewise.
8729 * genoutput.c (main): Likewise.
8730 * genemit.c (max_operand_1): Look for the max scratch operand.
8731 (gen_rtx_scratch): New.
8732 (gen_exp): Use it, and pass on new arg subroutine_type.
8733 (gen_expand): Take max scratch into account.
8734 (gen_split): Emit peephole2 functions.
8735 (output_peephole2_scratch): New.
8736 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
8737 * genrecog.c (routine_type): Add PEEPHOLE2.
8739 (make_insn_sequence): Match outer parallel for peep2. Discard
8740 top level scratches and dups.
8741 (add_to_sequence): New args insn_type and top. Update all callers.
8742 Handle toplevel peep2 matching insns.
8743 (write_subroutine): Handle peep2.
8744 (write_tree_1): Likewise.
8745 (write_tree): Likewise.
8747 (change_state): New arg afterward. Update all callers.
8748 Handle matching separate insns.
8749 * recog.c (recog_next_insn): New.
8750 (peephole2_optimize): New.
8751 * rtl.def (DEFINE_PEEPHOLE2): New.
8752 * resource.c (find_free_register): New argument last_insn. Use it
8753 to find a register available through the entire span.
8754 * resource.h (find_free_register): Update prototype.
8756 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
8758 * i386.c (output_strlen_unroll): Don't write xops[7]
8759 label if it wasn't set.
8761 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
8763 * cpplib.c (struct directive): Const-ify name pointer and
8764 function pointer prototype.
8765 (validate_else, do_define, do_line, do_include, do_undef,
8766 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
8767 do_elif, do_endif, do_sccs, do_assert, do_unassert,
8768 do_warning): Const-ify second arg.
8769 (directive_table): Mark const. Reorder entries by frequency
8770 of usage, record statistics.
8772 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
8774 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
8775 bounds- check RTL accesses if --enable-checking.
8776 (RTVEC_ELT): Bounds check if --enable-checking.
8777 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
8778 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
8779 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
8781 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
8782 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
8784 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
8785 (NOTE_SOURCE_FILE): Use X0STR.
8786 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
8787 MEM_ALIAS_SET): Use X0INT.
8788 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
8789 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
8791 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
8792 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
8793 (rtl_check_failed_bounds, rtl_check_failed_type1,
8794 rtl_check_failed_type2, rtvec_check_failed_bounds): New
8796 (fancy_abort): Fix comment.
8798 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
8799 (cse_insn): Decrement LABEL_NUSES for jump target before
8801 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
8802 * final.c (alter_subreg): Compute regno before changing x to
8803 REG; set REGNO(x) after changing it.
8804 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
8805 notes containing CONST_INTs.
8806 (delete_eh_regions): Use NOTE_EH_HANDLER.
8807 * function.c (put_reg_into_stack): Make reg a MEM before
8809 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
8811 (gen_mem_addressof): Make reg a MEM before initializing it.
8812 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
8814 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
8815 deleting an insn, not after.
8816 (block_alloc): Only look at PATTERN(insn) if we have to, and
8817 only if it's format class 'i'.
8818 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
8819 CONST_INT before using its INTVAL.
8820 * print-rtl.c (print_rtx): Use X0STR.
8821 * regmove.c (fixup_match_1): Don't look at PATTERN of
8822 non-class-'i' insn chain elements.
8823 * reload.c (loc_mentioned_in_p): Take address of
8824 in->fld[1].rtx directly.
8825 * reload1.c (reload): Change reg to a MEM before initializing
8827 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
8829 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
8831 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
8833 * config/mips/mips.c (machine_dependent_reorg): Force a
8834 barrier to output the local constant pool if a barrier hasn't
8835 been found at a natural point in the instruction stream.
8837 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8839 * c-parse.in (language_string): Constify.
8841 * dwarf2out.c (language_string): Remove declaration.
8843 * dwarfout.c (language_string): Likewise.
8845 * toplev.c (language_string, init_parse, finish_parse): Likewise.
8847 * tree.h (language_string, init_parse, finish_parse): Declare.
8849 * i386/sun386.h (language_string): Remove declaration.
8851 * mips.h (language_string): Likewise.
8853 * nextstep.h (language_string): Likewise.
8855 * nextstep21.h (language_string): Likewise.
8857 * rs6000.c (language_string): Likewise.
8859 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8861 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
8862 (getpwd.o): Remove target.
8864 * getpwd.c: Delete file. Its in libiberty now.
8866 * dbxout.c (getpwd): Don't prototype.
8867 * dwarf2out.c (getpwd): Likewise
8868 * dwarfout.c (getpwd): Likewise
8869 * final.c (getpwd): Likewise.
8870 * protoize.c (getpwd): Likewise.
8872 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8874 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
8876 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
8878 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
8881 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
8883 * fixinc/Makefile.in (subdir): New.
8884 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
8887 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
8889 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
8890 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
8893 * invoke.texi: Fix typo.
8895 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
8896 changed. Handle autoincrement addressing modes.
8898 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
8899 just like we would the virtual incoming args register when
8902 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
8904 * rs6000.h (ASM_FILE_START): Specify complete filename, including
8905 path, in .file directive.
8907 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
8909 * gcc.texi (External Bugs): Remove obsolete note about Perl on
8912 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
8914 * stdbool.h: Make the typedef name _Bool, with bool a #defined
8917 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8919 * tree.c (tree_code_name): Constify a char*.
8921 * tree.h (tree_code_name, decl_printable_name): Likewise.
8923 * function.h (struct function): Likewise.
8925 * toplev.c (decl_name, decl_printable_name): Likewise.
8927 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
8929 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
8930 (init_objc): Remove function pointer cast.
8932 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
8934 * pa.md (interspace_jump): New pattern.
8935 (builtin_longjmp): New expander.
8937 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
8939 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
8940 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
8941 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
8943 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
8945 * jump.c (delete_prior_computation): Also check calls
8946 to constant functions. Don't bother checking for a
8947 REG_UNUSED note before adding it.
8948 (delete_computation): Handle multi-word hard registers
8949 when synthesizing missing REG_DEAD notes for a register
8950 which is both set and used by an insn.
8952 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8954 * loop.c (this_loop_info): New variable.
8955 (loop_has_call, loop_has_volatile, loop_has_tablejump,
8956 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
8958 (prescan_loop, strength_reduce): New argument loop_info. All callers
8960 (scan_loop): New variable loop_info, initialise to address of
8962 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
8963 Delete variable loop_has_multiple_exit targets and replace with
8964 field in this_loop_info.
8965 (find_and_verify_loops): Rename this_loop to this_loop_num.
8966 (strength_reduce): Delete loop_iteration_info. Replace variable
8967 loop_info with function argument of same name.
8968 (insert_bct): Rework test for loop being completely unrolled.
8970 * loop.h (struct loop_info): New fields num, loops_enclosed,
8971 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
8972 has_indirect_jump, and cont. Redefine use of unroll_number.
8973 (loop_unroll_number): Delete.
8975 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
8977 (loop_iterations): Delete variable vtop and instead use
8978 loop_info->vtop computed in prescan_loop.
8980 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
8982 * fix-header.c (main): Do not pass a null pointer to strcmp.
8984 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
8986 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
8988 * configure: Rebuilt.
8990 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
8992 * jump.c (jump_optimize_1): Do not delete assignments to
8993 internal_arg_pointer.
8994 * cse.c (delete_trivially_dead_insns): Always consider a set of
8995 the internal_arg_pointer live.
8997 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
8999 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
9000 (update_life_info) [REG_WAS_0]: Search the original insns rather
9001 than the new insns for the note. Fix typos finding note_dest.
9002 If no dest found, discard the note rather than abort.
9003 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
9004 (replace_insns): Remove the old insn list after update_life_info
9007 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
9009 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
9011 (sched_analyze_1): Let add_dependence care for not adding dups.
9012 (sched_analyze_2): Likewise.
9013 (add_branch_dependences): Likewise.
9015 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
9017 * i386/winnt.c (export_list): New type.
9018 (exports_head): Rename to
9019 (export_head): this.
9020 (i386_pe_record_exported_symbol): Add is_data flag.
9021 (i386_pe_asm_file_end): Emit directive for exported variables.
9022 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
9024 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
9025 (ASM_DECLARE_OBJECT_NAME): Likewise.
9026 (ASM_DECLARE_FUNCTION_NAME): Likewise.
9027 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
9029 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
9031 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
9033 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
9036 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
9038 * config/openbsd.h: Define SET_ASM_OP.
9039 * tm.texi: cross-reference SET_ASM_OP in the index.
9041 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
9043 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
9044 for a CONST_DOUBLE, at compile time. Initialize rtx_length
9045 and class_narrowest_mode at compile time. Kill init_rtl.
9046 Mark rtx_length, mode_class, mode_size, mode_unit_size,
9047 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
9048 rtx_format as const. Kill all references to EXTRA_CC_MODES or
9050 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
9052 * rtl.h: Declare rtx_length and rtx_format as const.
9053 * machmode.def: Define CC(). Use CC() to define CCmode. If
9054 EXTRA_CC_MODES is defined, expand it here.
9055 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
9056 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
9057 const. Kill all references to EXTRA_CC_MODES.
9059 * toplev.c: Don't prototype or call init_rtl.
9060 * optabs.c: Don't call init_mov_optab.
9061 * genemit.c: Don't generate init_mov_optab. Don't call
9063 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
9065 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
9066 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
9067 genrecog.c: Don't call init_rtl.
9069 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
9070 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
9071 definition of EXTRA_CC_MODES.
9073 * md.texi: Kill ref to EXTRA_CC_NAMES.
9074 * tm.texi: Document new way to define EXTRA_CC_MODES.
9076 * genrecog.c: Do not look up the name of a define_split.
9079 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
9081 * config/v850/v850.md: Fix typo introduced by previous delta.
9083 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9085 * gcc.c (fatal): Make definition static to match prototype.
9087 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9089 * combine.c (get_last_value): Don't look for earlier sets if the last
9090 known set is somewhere in between the insns being combined.
9092 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
9094 * configure.in: Don't use shell ! to negate exit codes
9095 * configure: Regenerate
9097 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
9099 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
9100 the fact that ALIGN is measured in bits, not bytes.
9102 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
9104 * errors.c: New file; defines functions error, warning, and
9105 fatal, variables have_error and progname.
9106 * errors.h: New file; prototypes and decls for stuff in errors.c.
9108 * Makefile: Add rules to build errors.o and
9109 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
9110 genopinit, genrecog, genextract, genpeep, genattr, and
9111 genoutput with errors.o. Add errors.h to deps of genconfig.o,
9112 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
9113 genpeep.o, genattr.o, and genoutput.o.
9115 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
9116 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
9117 define or prototype fatal. Set progname at beginning of main.
9118 * genoutput.c: Likewise, and don't define or prototype error
9121 * c-typeck.c (c_expand_start_case): Return immediately if exp
9123 * fold-const.c (operand_equal_p): Return immediately if arg1
9124 or arg0 are ERROR_MARKs.
9125 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
9126 fields of type ERROR_MARK when calculating if the record can
9129 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
9130 with much help from Jeffrey A Law and Richard Henderson
9132 * i386.md: In the 6 insns which call output_fix_trunc,
9133 earlyclobber operands[0].
9135 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
9137 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
9138 creating new registers.
9140 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
9142 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
9143 i386_reg_alloc_order, i386_regparm_string,
9144 i386_align_loops_string, i386_align_jumps_string,
9145 i386_align_funcs_string, i386_preferred_stack_boundary_string,
9146 and i386_branch_cost_string as type "const char *".
9147 * i386.c: Define all above strings as type "const char *".
9149 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
9151 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
9152 when emitting alignment padding. Emit padding byte of 0 instead of 4.
9154 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
9156 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
9157 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
9159 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
9161 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
9162 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
9163 (dwarf2out_line, dwarf2out_finish): Likewise.
9164 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
9166 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
9168 * tree.c (lang_unsave_expr_now) : Correct return type.
9169 * tree.h (lang_unsave_expr_now) : Same.
9171 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
9173 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
9174 instead of duplicating code.
9176 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9178 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
9180 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
9182 * tree.h: fancy_abort always takes three args.
9183 * resource.c: Move include of system.h before toplev.h.
9185 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
9187 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
9190 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
9192 * system.h: Don't redefine abort or trim_filename.
9193 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
9194 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
9195 whether or not __FUNCTION__ is available.
9196 * tree.h: Duplicate rtl.h's definition of abort, for files
9197 that don't include rtl.h. Delete all code to perform type
9198 checking with a compiler other than GCC.
9199 * varray.h: Delete all code to perform type checking with a
9200 compiler other than GCC. Make VARRAY_CHECK() always evaluate
9201 its arguments exactly once, using a statement expression.
9202 Adjust the VARRAY_<type> accessor macros to match.
9203 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
9204 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
9205 caller's location. Define fatal_insn and fatal_insn_not_found
9206 as macros that use _fatal_insn and _fatal_insn_not_found.
9207 (fancy_abort, trim_filename): Kill prototypes.
9209 * rtl.c (trim_filename): Move here from toplev.c.
9210 (fancy_abort): New function.
9211 (DIR_SEPARATOR): Provide default definition.
9212 * tree.c (tree_check_failed, tree_class_check_failed): Go
9213 through fancy_abort.
9214 (tree_check, tree_class_check, cst_or_constructor_check,
9215 expr_check): Delete.
9216 * varray.c (varray_check_failed): New function.
9217 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
9218 _fatal_insn and _fatal_insn_not_found. Go through
9220 (trim_filename, fancy_abort): Delete.
9222 * builtins.c (expand_builtin_args_info): Report ICE with abort.
9223 * except.c (start_catch_handler): Report ICE with error/abort
9225 * final.c (output_operand_lossage): Likewise.
9226 * flow.c (verify_flow_info): Likewise.
9228 * gcc.c: Prototype fatal.
9229 * gengenrtl.c: Undef abort after including rtl.h not system.h.
9230 * genattr.c, genattrtab.c, genemit.c, genextract.c,
9231 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
9232 Don't define fancy_abort.
9234 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
9236 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
9239 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
9241 * m88k.h (VERSION_INFO2): Kill.
9242 (VERSION_STRING): Kill.
9244 (VERSION_INFO1): Tidy.
9245 (TARGET_VERSION): Update.
9246 * m88k/dgux.h (VERSION_INFO2): Kill.
9247 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
9248 * m88k/luna.h (VERSION_INFO1): Tidy.
9249 * m88k/sysv4.h (VERSION_INFO1): Likewise.
9250 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
9251 (output_file_start): Adjust for death of VERSION_STRING.
9253 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
9255 * cpplib.c (detect_if_not_defined): New function.
9256 (do_if): Use it to detect potential once-only headers.
9258 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
9260 * c-common.c (combine_strings): Always set TREE_CONSTANT.
9262 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
9264 * combine.c (nonzero_bits) : Allow single-ly set registers to be
9265 anywere in the function only if they are pseudos and set before
9266 being used (not live at the start of the function).
9267 (num_sign_bit_copies) : Same.
9268 (get_last_value_validate) : Same.
9269 (get_last_value) : Same.
9271 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
9273 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
9274 where N and M are constant and N is an integer multiple of M.
9276 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9278 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
9279 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
9280 sbitmap_union_of_preds): Add prototypes.
9281 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
9282 the intersection of successors with the new flow graph structures.
9283 (sbitmap_intersection_of_preds): New function to compute the
9284 intersection of predecessors with the new flow graph structures.
9285 (sbitmap_union_of_succs): New function to compute the union of
9286 successors with the new flow graph structures.
9287 (sbitmap_union_of_preds): New function to compute the union of
9288 predecessors with the new flow graph structures.
9289 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
9290 (expr_reaches_here_p): Use edge and basic_block structures instead
9291 of s_preds and s_succs.
9292 (compute_cprop_avinout): Use new sbitmap routines.
9293 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
9294 of s_preds and s_succs.
9295 * flow.c (compute_flow_dominators): Compute dominators using
9296 edges and basic blocks instead of s_preds and s_succs.
9298 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9300 * lists.c (unused_insn_list, unused_expr_list): New file for
9301 maintaining various types of lists. New statics for maintaining a
9302 cache of available INSN_LIST and EXPR_LIST nodes.
9303 (free_list): Static function for freeing a list of INSN/EXPR nodes.
9304 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
9305 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
9306 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
9307 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
9308 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
9309 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
9310 (free_INSN_LIST_node): Free an individual INSN_LIST node.
9311 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
9312 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
9313 (remove_dependence, free_pending_lists): Use new global routines.
9314 (flush_pending_lists, sched_analyze_insn): Use new global routines.
9315 (sched_analyze, compute_block_backward_dependences): Use new routines.
9316 (sched_analyze_1, sched_analyze_2): Use new routines.
9317 (schedule_insns): Use new global routines.
9318 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
9320 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
9321 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
9323 * toplev.c (rest_of_compilation): Initialize node cache.
9324 * Makefile.in (OBJS): Add lists.o to list of object files.
9325 (lists.o): Add dependancies.
9327 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
9329 * config/v850/v850.md: Fix compile time warning messages.
9330 * config/v850/v850.c: Fix compile time warning messages.
9331 * config/v850/v850.h: Fix compile time warning messages.
9333 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9335 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
9336 Remove unused prototype for `init_lengths'.
9338 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9340 * calls.c (emit_call_1): Mark parameter `stack_size' with
9342 (expand_call): Initialize variable `insn'.
9343 (emit_library_call): Likewise for variable `high_to_save'.
9344 (emit_library_call_value): Likewise.
9345 (store_one_arg): Likewise for variables `lower_bound' and
9348 * combine.c (try_combine): Likewise for variables `i2_code_number'
9349 and `other_code_number'.
9350 (find_split_point): Likewise for variables `pos', `unsignedp' and
9352 (simplify_if_then_else): Likewise for variables `op' and `c1'.
9353 (simplify_and_const_int): Remove unused variable `width'.
9354 (merge_outer_ops): Likewise.
9356 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
9357 HOST_WIDE_INT' when comparing against one.
9358 (simplify_relational_operation): Likewise.
9359 (cse_insn): Initialize variables `src_eqv_volatile',
9360 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
9362 * final.c (init_final): Constify parameter `filename'.
9363 (final_start_function): Mark parameter `optimize' with
9365 (profile_function): Likewise for parameters `first' and `optimize'.
9366 (output_source_line): Likewise for parameter `file'.
9368 * integrate.c (subst_constants): Cast a value to `size_t' when
9369 comparing against one.
9370 (mark_stores): Initialize variable `mode'. Cast a value to
9371 `size_t' when comparing against one.
9373 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
9375 * loop.c (move_movables): Initialize variable `first'.
9376 (strength_reduce): Likewise for variable `increment'.
9377 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
9378 value to `size_t' when comparing against one.
9379 (load_mems): Initialize variable `end_label'.
9381 * output.h (init_final): Constify parameter.
9383 * reload.c (decompose): Initialize variable `base'.
9385 * reload1.c (reload): Likewise for variable `is_scalar'.
9386 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
9387 (choose_reload_regs): Initialize variable `mode'.
9388 (emit_reload_insns): Likewise for variable `store_insn'.
9389 (reload_cse_noop_set_p): Mark parameter `insn' with
9391 (reload_combine): Initialize variable `set'.
9393 * unroll.c (unroll_loop): Likewise for variable `local_label'.
9394 (copy_loop_body): Cast a value to `size_t' when comparing against
9397 * varasm.c (assemble_variable): Initialize variable `size_tree'.
9398 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
9399 (remove_from_pending_weak_list): Mark parameter `name' with
9402 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9404 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
9407 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
9409 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
9410 (ASM_DECLARE_FUNCTION_NAME): Define.
9411 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
9412 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
9413 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
9414 not already defined.
9416 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
9418 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
9419 of n_popped when call/call_value are not defined.
9421 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
9423 * tm.texi: GNU CC -> GCC conversion.
9424 (CC1_SPEC): Indicate it is used for all language front ends.
9426 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
9428 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
9429 NOTE_INSN_EH_REGION_END correctly.
9431 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
9432 Jeff Law <law@cygnus.com>
9434 * loop.c (strength_reduce): Automatically unroll loops if the
9435 unrolled loop size is smaller than the rolled loop size.
9437 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
9438 and delete comment that code should be rewritten.
9440 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
9442 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
9445 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
9447 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
9449 * fixinc/mkfixinc.sh: Don't fix uwin headers.
9450 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
9451 (LINK_SPEC): Add -u _main when building executables.
9452 (ASM_DECLARE_FUNCTION): Update from Cygwin.
9453 (ASM_FILE_END): Use the default for ix86-pe.
9454 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
9456 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
9458 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
9459 and ASM_CLOSE_PAREN are empty strings.
9461 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
9462 Geoffrey Keating <geoffk@cygnus.com>
9464 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
9465 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
9466 (unprotoize.o): Ditto.
9467 (test-protoize-simple): Don't define STD_PROTO_DIR.
9468 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
9469 changes to make 'test-protoize-simple' pass.
9470 (STD_PROTO_DIR): Remove define.
9471 (STANDARD_EXEC_PREFIX): Supply default define.
9472 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
9473 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
9474 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
9475 (GET_ENV_PATH_LIST): New macro.
9476 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
9477 (do_processing): Initialize default_syscalls_dir using new
9478 macros. Use it to initialize syscalls_absolute_filename.
9480 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
9482 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
9483 B into a register before emit_conditional_move.
9485 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
9487 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
9488 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
9489 multiplicand out of (+ (* a b) (* c d)).
9491 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
9492 Richard Henderson <rth@cygnus.com>
9494 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
9495 (new_insn_dead_notes): Likewise.
9496 (update_n_sets): Likewise.
9497 (update_flow_info): Move to flow.c, renamed to update_life_info;
9498 extend to handle multiple source insns.
9499 * flow.c: Include resource.h
9500 (unlink_insn_chain): New.
9501 (split_hard_reg_notes): New.
9502 (maybe_add_dead_note): New.
9503 (maybe_add_dead_note_use): New.
9504 (find_insn_with_note): New.
9505 (new_insn_dead_notes): New.
9506 (update_n_sets): New.
9507 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
9508 (maybe_remove_dead_notes): New.
9509 (update_life_info): New.
9510 (prepend_reg_notes): New.
9511 (replace_insns): New.
9512 * output.h (update_life_info): Declare.
9513 * recog.c (split_block_insns): Use update_life_info.
9514 * resource.c (find_free_register): Use reg_alloc_order, don't use
9515 fixed regs, make sure the mode is supported, don't use new regs.
9517 * rtl.h (replace_insns): Declare.
9519 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
9521 * expr.c (expand_expr): Cope with COND_EXPRs with one
9522 non-returning branch.
9524 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
9526 * expr.c (store_expr): Always pass down the target, even when not
9529 1999-08-24 Nick Clifton <nickc@cygnus.com>
9531 * configure.in: Define target_cpu_default for v850 targets.
9532 * configure: Regenerate
9534 * config/v850/v850.h (TARGET_CPU_generic): Define.
9535 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
9536 addresses are 4 byte aligned.
9538 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
9541 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9543 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
9544 (main): Add prototypes.
9546 * genattrtab.c (substitute_address, write_const_num_delay_slots,
9547 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
9548 (write_attr_get): Emit prototypes along with function definition.
9549 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
9550 (write_complex_function): Emit static prototype along with
9551 function definition.
9553 * genemit.c (gen_split): Emit prototypes along with function
9556 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
9557 Likewise for predicates and `insn_operand_predicate'.
9558 (process_template): Emit static prototype along with function
9561 * genrecog.c (make_insn_sequence): Constify a char*. Add
9562 prototypes for get_split_*().
9563 (write_subroutine): Emit prototypes along with function
9566 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9568 * gcse.c (find_avail_set): Follow chains of register-register copies.
9569 Use oprs_not_set_p to guarantee that the returned value can be
9571 (cprop_insn): Don't verify the return value of find_avail_set with
9574 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
9575 (cprop_cc0_jump): New function.
9576 (cprop_insn): Break out new function cprop_jump and use it.
9577 Also use cprop_cc0_jump for machines with CC0.
9578 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
9580 * tree.h (current_function_calls_setjmp,
9581 current_function_calls_longjmp): Delete declarations.
9582 * dsp16xx.c: Include "function.h".
9583 * elxsi.c: Likewise.
9584 * gmicro.c: Likewise.
9585 * h8300.c: Likewise.
9588 * mn10200.c: Likewise.
9589 * mn10300.c: Likewise.
9590 * ns32k.c: Likewise.
9594 * rtl.h (rtx_equal_function_value_matters): Declare.
9595 * toplev.c (rtx_equal_function_value_matters): Don't declare.
9597 * function.c: Likewise.
9598 * emit-rtl.c: Likewise.
9600 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
9602 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
9605 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9607 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
9610 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
9612 * cpp.texi: Add a node documenting macro varargs (copied
9615 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
9617 * cppspec.c: Put a null pointer at the end of the new argv.
9619 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
9621 * configure.in: Remove code to select/de-select the haifa
9622 scheduler. Every scheduled port gets haifa now.
9623 * configure: Rebuilt.
9624 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
9626 * Makefile.in: Corresponding changes.
9628 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9630 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
9631 All callers changed.
9632 (prepare_float_lib_cmp): Likewise.
9633 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
9634 * expr.h (emit_float_lib_cmp): Delete declaration.
9635 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
9636 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
9637 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
9639 (cmptf): Now conditional on TARGET_HARD_QUAD.
9641 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
9643 * resource.c (mark_target_live_regs): Use
9644 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
9646 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9648 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
9650 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
9652 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
9654 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9656 * rtl.h (rtx_format): Constify a char*.
9658 * rtl.c (rtx_format): Likewise.
9659 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
9660 (init_rtl): Use accessor macro, not `rtx_format'.
9662 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
9665 * caller-save.c (mark_referenced_regs): Likewise.
9667 * combine.c (subst, make_compound_operation, known_cond,
9668 gen_rtx_combine, update_table_tick, get_last_value_validate,
9669 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
9671 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
9672 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
9673 count_reg_usage): Likewise.
9675 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
9678 * final.c (leaf_renumber_regs_insn): Likewise.
9680 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
9681 dump_edge_info, count_reg_references): Likewise.
9683 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
9684 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
9687 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
9688 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
9689 add_label_notes): Likewise.
9691 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
9692 clear_struct_flag, count_sub_rtxs, count_alternatives,
9693 compares_alternatives_p, contained_in_p, walk_attr_value,
9694 write_expr_attr_cache): Likewise.
9696 * genconfig.c (walk_insn_part): Likewise.
9698 * genemit.c (max_operand_1, gen_exp): Likewise.
9700 * genextract.c (walk_rtx): Likewise.
9702 * genflags.c (num_operands): Likewise.
9704 * genoutput.c (scan_operands): Likewise.
9706 * genpeep.c (match_rtx): Likewise.
9708 * genrecog.c (add_to_sequence): Likewise.
9710 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
9713 * integrate.c (save_constants, copy_for_inline,
9714 copy_rtx_and_substitute, subst_constants, restore_constants):
9717 * jump.c (mark_jump_label, invert_exp, redirect_exp,
9718 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
9720 * local-alloc.c (contains_replace_regs, memref_referenced_p):
9723 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
9724 add_label_notes, replace_call_address, count_nonfixed_reads,
9725 invariant_p, find_single_use_in_loop, find_mem_givs,
9726 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
9729 * print-rtl.c (reg_names, print_rtx): Likewise.
9731 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
9733 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
9734 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
9735 print_blocks): Likewise.
9737 * regclass.c (fix_register, record_address_regs,
9738 reg_scan_mark_refs): Likewise.
9740 * regmove.c (stable_but_for_p): Likewise.
9742 * reload.c (loc_mentioned_in_p, operands_match_p,
9743 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
9744 copy_replacements, refers_to_regno_for_reload_p,
9745 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
9746 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
9749 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
9750 delete_address_reloads_1, count_occurrences,
9751 reload_cse_mem_conflict_p, reload_combine_note_use,
9752 add_auto_inc_notes): Likewise.
9754 * resource.c (mark_referenced_resources, mark_set_resources):
9757 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
9758 reg_mentioned_p, regs_set_between_p, modified_between_p,
9759 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
9760 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
9761 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
9762 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
9764 * sched.c (sched_analyze_2, attach_deaths): Likewise.
9766 * stupid.c (stupid_mark_refs): Likewise.
9768 * unroll.c (remap_split_bivs): Likewise.
9770 * varasm.c (mark_constants): Likewise.
9772 * a29k/a29k.c (uses_local_reg_p): Likewise.
9774 * alpha/alpha.c (summarize_insn): Likewise.
9776 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
9777 eliminate_lr2ip): Likewise.
9779 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
9781 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
9782 reg_mentioned_in_mem): Likewise.
9784 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
9785 symbolic_reference_mentioned_p): Likewise.
9787 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
9789 * sh/sh.c (regs_used, mark_use): Likewise.
9791 * vax/vax.c (vax_rtx_cost): Likewise.
9793 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9795 * machmode.h (mode_name): Constify a char*.
9797 * rtl.c (mode_name): Likewise.
9799 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
9801 * optabs.c (init_libfuncs): Constify a char*.
9803 * print-tree.c (mode_name): Remove redundant declaration.
9804 (print_node): Use accessor macro, not `mode_name'.
9806 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
9808 (new_spill_reg): Constify a char*.
9810 * tree.c (mode_name): Remove redundant declaration.
9812 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9814 * rtl.c (rtx_name): Constify a char*.
9816 * rtl.h (rtx_name, fix_sched_param): Likewise.
9818 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
9819 (mypr): Use accessor macro, not `rtx_name'.
9821 * genemit.c (print_code): Constify a char*.
9823 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
9825 * genpeep.c (print_code): Constify a char*.
9827 * genrecog.c (print_code): Likewise.
9829 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
9830 end_bb): Add static prototype.
9831 (draw_edge): Constify a char*.
9832 (end_bb): Remove unused parameter.
9834 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
9835 print_block_visualization): Constify a char*.
9837 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
9839 * c-common.c (c_get_alias_set): Update comment.
9841 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
9843 * linux.h (LIB_SPEC): Added.
9845 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9847 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
9849 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
9851 * tree.c (expr_check): Fix typo in last change.
9853 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
9855 * rtl.def (NOTE): Change format to "iuu0n".
9856 (ADDR_DIFF_VEC): Change format to "eEee0".
9857 (ADDRESSOF): Change format to "eit".
9859 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
9860 (RTVEC_ELT): Change to match.
9861 (XVECEXP): Use XVEC and RTVEC_ELT.
9862 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
9863 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
9864 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
9865 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
9866 TRAP_CONDITION, TRAP_CODE): Use XEXP.
9867 (INTVAL): Use XWINT.
9868 (ADDRESSOF_DECL): Use XTREE.
9869 (SET_ADDRESSOF_DECL): Delete.
9870 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
9871 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
9872 ifdefed out since 2.6 at least.
9873 (gen_rtvec_vv): Delete prototype.
9875 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
9877 (copy_most_rtx): Handle 't' format letter.
9878 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
9879 (gen_rtvec_vv): Delete function. All callers changed to use
9880 gen_rtvec_v instead.
9881 * print-rtl.c (print_rtx): Move special casing of NOTEs to
9882 the '0' format letter.
9884 * function.c (gen_mem_addressof): Don't use
9885 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
9887 * integrate.c (copy_rtx_and_substitute): Likewise.
9888 Copy 't' slots with XTREE.
9889 (subst_constants): Treat 't' slots like '[swi]' slots.
9890 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
9891 * jump.c (rtx_equal_for_thread_p): Likewise.
9892 * rtlanal.c (rtx_equal_p): Likewise.
9893 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
9894 only four arguments.
9895 * gengenrtl.c (type_from_format): Provide correct types for
9899 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
9900 If a recent gcc is in use (always in stage2 and beyond), use
9901 statement expressions, so we don't make a function call unless
9902 the check fails. Evaluate arguments exactly once.
9903 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
9904 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
9906 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
9907 they evaluate their arguments exactly once, irrespective of
9908 the compiler in use.
9910 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
9911 is used by the currently-enabled check macros. This is:
9912 (tree_check_failed, tree_class_check_failed): For gcc.
9913 (tree_check, tree_class_check, cst_or_constructor_check,
9914 expr_check): For other compilers.
9916 * gencheck.c: Do not define any *_CHECK1 macros.
9918 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
9919 Mark Mitchell <mark@codesourcery.com>
9921 * c-common.c (c_get_alias_set): Fix support for poitners and
9924 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
9926 * alias.c: Include tree.h.
9927 (nonlocal_reference_p, mark_constant_function): New functions.
9928 * flow.c (life_analysis): Call mark_constant_function.
9929 * rtl.h (mark_constant_function): Declare it.
9931 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
9933 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
9934 unrecognisable switches.
9936 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9938 * loop.c (recombine_givs): Set ix field after sorting.
9939 (recombine_givs): Remove bogus index / giv lockstep looping.
9941 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9943 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
9945 (emit_store_flag_force): Use do_compare_rtx_and_jump.
9946 (do_cmp_and_jump): Formatting fixes.
9947 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
9948 do_compare_rtx_and_jump instead of compare_from_rtx.
9949 (do_compare_rtx_and_jump): New function; mostly copied from
9951 (do_jump_for_compare): Delete.
9952 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
9954 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
9955 of compare/do_jump_for_compare pairs.
9956 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
9957 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
9958 compare_from_rtx/do_jump_for_compare pairs.
9959 (do_jump_by_parts_equality): Likewise.
9960 (do_jump_by_parts_equality_rtx): Likewise.
9961 * expr.h (do_compare_rtx_and_jump): Declare.
9962 * optabs.c (prepare_cmp_insn): New function, contains most of the code
9963 that used to be in emit_cmp_insn.
9964 (cmp_available_p): New function.
9965 (prepare_operand): New function.
9966 (emit_cmp_and_jump_insn_1): New function, contains some code that used
9967 to be in emit_cmp_insn.
9968 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
9969 parameters to be pointers; don't emit final compare but modify some of
9970 the values pointed to by the args so the caller can perform the
9972 (expand_binop): Call emit_store_flag_force with signed forms of
9974 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
9975 emit_jump_insn pair.
9976 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
9977 emit_cmp_and_jump_insn_1. Call emit_queue.
9978 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
9980 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
9981 jump sets cc0 before deleting it.
9982 * integrate.c (expand_inline_function): Likewise.
9983 * unroll.c (unroll_loop): Similar changes in several places.
9984 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
9987 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9989 * Makefile.in (insn-recog.o): Update dependencies.
9990 * genrecog.c (main): Make generated file include "function.h".
9992 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
9994 * cse.c (cse_insn): Call never_reached_warning when a jump is
9995 changed to be unconditional.
9996 * flags.h: Declare warn_notreached.
9997 * flow.c (delete_block): Call never_reached_warning when
9999 * jump.c (delete_barrier_successors): Call never_reached_warning
10000 when we delete everything after a BARRIER.
10001 (never_reached_warning): New function.
10002 * rtl.h: Declare never_reached_warning.
10003 * toplev.c (warn_notreached): New variable.
10004 (lang_independent_options): Set warn_notreached
10005 when -Wunreachable-code.
10006 (compile_file): We need line numbers for -Wunreachable-code.
10008 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
10010 * haifa-sched.c (insn_unit): Fix typo on out of range test.
10011 * sched.c (insn_unit): Likewise.
10013 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
10015 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
10017 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10019 * flow.c (create_edge_list): Use xmalloc, not malloc.
10021 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
10023 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
10024 C-style comments. Do not lose the character before double slash.
10026 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10028 * basic-block.h (struct edge_list): Stucture to maintain a vector
10030 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
10031 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
10032 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
10033 New function prototypes.
10034 * flow.c (create_edge_list): Function to create an edge list.
10035 (free_edge_list): Discards memory used by an edge list.
10036 (print_edge_list): Debug output showing an edge list.
10037 (verify_edge_list): Internal consistency check for an edge list.
10038 (find_edge_index): Function to find an edge index for a pred and succ.
10040 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
10042 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
10045 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
10047 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
10049 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10051 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
10053 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
10055 * toplev.c (rest_of_compilation): Allow machine dependent
10056 reorganisation pass to place information into the RTL dump
10057 file if it so wishes.
10059 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
10061 * explow.c (hard_function_value): Use VOIDmode instead of
10063 * stmt.c (expand_return): Likewise.
10064 * stor-layout.c (get_best_mode): Likewise.
10066 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
10067 emit call instead of emit_insn call.
10069 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
10071 * configure.in: Handle --disable/enable-win32-registry.
10072 * install.texi: Document --disable/enable-win32-registry.
10073 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
10074 (WIN32_REGISTRY_KEY): New macro.
10075 * prefix.c: Use to enable/disable win32-specific code.
10076 (lookup_key): Use versioned key.
10077 * configure: Regenerate.
10078 * config.in: Likewise.
10080 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
10082 * cpplib.c (read_line_number): New fn, split out of...
10085 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
10087 tree.c (lang_unsave_expr_now) : New.
10088 (unsave_expr_now): Call lang_unsave_expr_now.
10089 tree.h (lang_unsave_expr_now) : New.
10091 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
10093 * toplev.c (flag_new_exceptions): On by default.
10095 1999-08-13 Michael Meissner <meissner@cygnus.com>
10097 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
10099 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
10101 * dwarfout.c (fundamental_type_code): Return FT_boolean for
10102 INTEGER_TYPE with precision==1, it's __java_boolean.
10104 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10106 * global.c (prune_preferences): Move some invariants out of the
10109 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
10111 * configure.in (alpha*-dec-osf*): Add osf5.
10113 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
10115 * configure.in: Rework handling of ARM GNU/Linux slightly.
10116 (arm*-*-linux-gnuoldld): New target.
10117 * configure: Regenerate.
10118 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
10119 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
10120 * config/arm/linux-oldld.h: New file.
10121 * config/arm/linux-elf26.h: Don't include linux-elf.h.
10122 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
10124 * config/arm/linux-elf.h (ASM_SPEC): Define.
10125 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
10126 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
10127 for 26-bit APCS and old linker.
10128 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
10130 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
10131 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
10132 don't define `arm' or `arm_elf'.
10133 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
10134 MULTILIB_DIRNAMES): Define. Fix typo in comment.
10136 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
10138 * rtl.texi: Fix typo.
10140 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
10142 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
10144 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
10146 * extend.texi (C++ Signatures): Remove node.
10147 * invoke.texi: Remove discussion of -fhandle-signatures,
10148 signature, sigof, __signature__, and __sigof__.
10150 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
10152 * Makefile.in (JAVAGC): Removed.
10154 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
10156 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
10158 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
10160 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
10162 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
10164 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
10165 a register that is already known to be a pointer.
10167 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
10169 * fixinc/inclhack.tpl: Only install assert.h conditionally.
10170 * fixinc/inclhack.sh: Regenerated.
10171 * fixinc/fixincl.sh: Regenerated.
10173 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
10175 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
10176 Fix documentation of -ansi flag to describe its C++ behavior.
10177 Remove bogus reference to GCC 2.9.
10179 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
10181 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
10182 note if it is non-NULL.
10184 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10186 * except.h (eh_nesting_info): Add new structure defintion.
10187 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
10188 (reachable_handlers, update_rethrow_references): Add function
10190 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
10191 a rethrow symbol instead of an integer exception region number.
10192 * flow.c (Make_edges): Use new exception nesting routines to determine
10193 which handlers are reachable from a CALL or asynchronous insn.
10194 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
10196 (delete_eh_regions): Update rethrow labels, and don't delete
10197 regions which are the target of a rethrow.
10198 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
10199 avoid overloading the SYMBOL_REF_USED flag.
10200 (rethrow_symbol_map): Use new rethrow_ref field.
10201 (rethrow_used): Use new rethrow_ref field.
10202 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
10203 of an integer. Fix formatting.
10204 (output_exception_table_entry): Use new rethrow_ref field.
10205 (can_throw): Check for EH_REGION_NOTE before deciding
10206 whether a CALL can throw or not.
10207 (scan_region): Call rethrow_used() instead of accessing data structure.
10208 (update_rethrow_references): New function to make sure only regions
10209 which are still targets of a rethrow are flagged as such.
10210 (process_nestinfo): New static function to initialize a handler
10211 list for a specific region.
10212 (init_eh_nesting_info): New function to allocate and initialize
10213 the list of all EH handlers reachable from all regions.
10214 (reachable_handlers): New function to retrieve the list of handlers
10215 reachable from a specific region and insn.
10216 (free_eh_nesting_info): New function to dispose of a list of
10217 reachable handlers.
10219 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10221 * flow.c (split_edge): Set JUMP_LABEL field.
10222 (commit_one_edge_insertion): Set head correctly for insert_before.
10223 When inserting insns, update insn block numbers if allocated.
10225 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10227 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
10228 retry_incomplete_types): Add static prototype.
10229 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
10230 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
10231 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
10232 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
10233 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
10236 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
10237 dwarf2out_start_source_file, dwarf2out_line): Likewise.
10239 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10241 * output.h (assemble_name): Constify a char*.
10243 * varasm.c (UNIQUE_SECTION, assemble_start_function,
10244 assemble_variable, assemble_name): Likewise.
10246 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
10248 * arm/pe.c (arm_pe_unique_section): Likewise.
10250 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
10252 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
10254 * i386/interix.c (i386_pe_unique_section): Likewise.
10256 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
10258 * i386/winnt.c (i386_pe_unique_section): Likewise.
10260 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
10262 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
10264 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
10266 * pa/pa.c (output_call): Likewise.
10268 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
10270 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
10272 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
10275 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
10278 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
10280 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
10281 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
10283 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
10285 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10287 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
10289 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10291 * tree.h (lang_identify): Constify a char*.
10292 (print_error_function): Add extern prototype. Constify a char*.
10294 * c-lang.c (lang_identify): Constify a char*.
10296 * objc/objc-act.c (lang_identify): Constify a char*.
10298 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10300 * genpeep.c (main): Make generated file include "function.h".
10301 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
10303 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10305 * Makefile.in: Update dependencies.
10306 * alias.c: Include "function.h"
10307 * c-decl.c: Likewise.
10308 * caller-save.c: Likewise.
10309 * calls.c: Likewise.
10310 * combine.c: Likewise.
10312 * explow.c: Likewise.
10313 * final.c: Likewise.
10314 * global.c: Likewise.
10315 * graph.c: Likewise.
10316 * local-alloc.c: Likewise.
10317 * loop.c: Likewise.
10318 * optabs.c: Likewise.
10319 * profile.c: Likewise.
10320 * recog.c: Likewise.
10321 * regclass.c: Likewise.
10322 * regmove.c: Likewise.
10323 * reload.c: Likewise.
10324 * reorg.c: Likewise.
10325 * resource.c: Likewise.
10326 * sched.c: Likewise.
10327 * stupid.c: Likewise.
10328 * config/1750a/1750a.c: Likewise.
10329 * config/a29k/a29k.c: Likewise.
10330 * config/arc/arc.c: Likewise.
10331 * config/arm/arm.c: Likewise.
10332 * config/arm/thumb.c: Likewise.
10333 * config/c4x/c4x.c: Likewise.
10334 * config/clipper/clipper.c: Likewise.
10335 * config/convex/convex.c: Likewise.
10336 * config/fx80/fx80.c: Likewise.
10337 * config/i860/i860.c: Likewise.
10338 * config/m68k/m68k.c: Likewise.
10339 * config/m88k/m88k.c: Likewise.
10340 * config/mips/mips.c: Likewise.
10341 * config/pdp11/pdp11.c: Likewise.
10342 * config/pyr/pyr.c: Likewise.
10343 * config/romp/romp.c: Likewise.
10344 * config/sh/sh.c: Likewise.
10345 * config/tahoe/tahoe.c: Likewise.
10346 * config/vax/vax.c: Likewise.
10347 * config/we32k/we32k.c: Likewise.
10348 * config/sparc/sparc.c: Include "function.h".
10349 (mem_min_alignment): Test current_function rather than
10350 regno_pointer_align.
10351 * config/pa/pa.c: Likewise.
10352 (compute_frame_size): Delete declaration of
10353 current_function_outgoing_args_size.
10354 * config/arc/arc.h (current_function_varargs): Delete declaration.
10355 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
10357 * config/i370/i370.h (current_function_outgoing_args_size): Delete
10359 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
10360 current_function_uses_pic_offset_table.
10361 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
10362 of current_function_returns_pointer.
10363 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10364 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10365 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10366 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10367 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10368 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10369 * config/m88k/m88k.c: Include "function.h"
10370 (call_used_regs, current_function_pretend_args_size,
10371 current_function_outgoing_args_size, frame_pointer_needed): Delete
10373 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
10375 * config/mips/mips.h (current_function_calls_alloca): Delete
10377 * config/mn10200/mn10200.h (current_function_needs_context,
10378 rtx_equal_function_value_matters): Delete declarations.
10379 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
10380 flag_pic): Delete declarations.
10381 * config/pa/pa.h (current_function_pretend_args_size,
10382 current_function_decl): Delete declarations.
10383 * config/pa/som.h (current_function_varargs): Delete declaration.
10384 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
10386 * config/pyr/pyr.h (current_function_pretend_args_size,
10387 current_function_args_size, current_function_calls_alloca): Delete
10389 * config/sh/sh.h (current_function_varargs): Delete declaration.
10390 * config/sparc/sparc.h (current_function_outgoing_args_size,
10391 current_function_calls_alloca, current_function_decl): Delete
10393 * config/spur/spur.h (current_function_pretend_args_size,
10394 current_function_calls_alloca): Delete declarations.
10395 * config/v850/v850.c (current_function_outgoing_args_size): Delete
10397 * config/vax/vms.h (current_function_name): Delete declaration.
10398 * gcse.c: Include "function.h".
10399 (current_function_name, current_function_calls_setjmp): Delete
10401 * haifa-sched.c: Include "function.h".
10402 (forced_labels): Delete declaration.
10403 * jump.c: Likewise.
10404 * reg-stack.c: Likewise.
10405 * reload1.c: Likewise.
10406 * genemit.c (main): Make generated file include function.h.
10407 * genoutput.c (output_prologue): Likewise.
10409 * builtins.c (saveregs_value, apply_args_value): Delete variables.
10410 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
10411 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
10412 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
10413 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
10414 macros for some of them.
10415 (emit_filename, emit_lineno): Delete declarations.
10416 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
10417 regno_pointer_* variables through current_function.
10418 (gen_inline_header_rtx): Delete function.
10419 (save_emit_status): Delete function.
10420 (set_new_last_label_num): New function.
10421 (clear_emit_caches): New function.
10422 (restore_emit_status): Just clear last_labelnum and call
10424 (get_last_insn_anywhere): Variable sequence_stack is now accessed
10425 through macro seq_stack.
10426 (add_insn_after): Likewise.
10427 (add_insn_before): Likewise.
10428 (remove_insn): Likewise.
10429 (pop_topmost_sequence): Likewise.
10430 (in_sequence_p): Likewise.
10431 (start_sequence_for_rtl_expr): Likewise.
10432 (start_sequence): Likewise, and likewise for
10433 sequence_rtl_expr/seq_rtl_expr.
10434 (push_topmost_sequence): Likewise.
10435 (end_sequence): Likewise.
10436 (init_virtual_regs): Now takes a "struct emit_status *" argument.
10437 All callers changed. Store into that pointer instead of globals.
10438 (init_emit): Allocate emit elt of current_function.
10439 Changes for sequence_rtl_expr/sequence_stack renaming.
10440 Call clear_emit_caches instead of doing it in-line.
10441 Access regno_pointer_* variables through current_function.
10442 (init_emit_once) Don't clear sequence_stack.
10444 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
10446 (arg_pointer_save_area): Delete declaration.
10447 (finish_expr_for_function): Renamed from init_queue; no longer static.
10448 (init_expr): Don't call init_queue.
10449 (save_expr_status, restore_expr_status): Delete functions.
10450 (expand_expr): Changes to reflect new layout of struct function.
10451 Don't access current_function_check_memory_usage when current_function
10453 * expr.h (forced_labels, save_expr_regs, saveregs_value,
10454 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
10455 current_function_outgoing_args_size, current_function_arg_offset_rtx,
10456 current_function_uses_const_pool, function_call_count,
10457 current_function_uses_pic_offset_table, nonlocal_labels,
10458 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
10459 current_function_check_memory_usage, nonlocal_goto_handler_slots,
10460 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
10462 (finish_expr_for_function): Declare.
10463 * flags.h (current_function_has_nonlocal_label,
10464 current_function_has_nonlocal_goto, current_function_is_thunk,
10465 current_function_has_computed_jump): Delete declarations.
10466 * flow.c (forced_labels): Delete declaration.
10467 * function.c (current_function_pops_args,
10468 current_function_returns_struct, current_function_returns_pcc_struct,
10469 current_function_needs_context, current_function_calls_setjmp,
10470 current_function_calls_longjmp, current_function_has_nonlocal_label,
10471 current_function_has_nonlocal_goto, current_function_is_thunk,
10472 current_function_has_computed_jump, current_function_calls_alloca,
10473 current_function_contains_functions, current_function_returns_pointer,
10474 current_function_epilogue_delay_list, current_function_args_size,
10475 current_function_pretend_args_size, current_function_arg_offset_rtx,
10476 current_function_outgoing_args_size, current_function_varargs,
10477 current_function_stdarg, current_function_args_info, cleanup_label,
10478 current_function_name, current_function_uses_const_pool,
10479 current_function_instrument_entry_exit, current_function_return_rtx,
10480 current_function_uses_pic_offset_table, nonlocal_labels,
10481 current_function_internal_arg_pointer, current_function_cannot_inline,
10482 current_function_check_memory_usage, function_call_count,
10483 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
10484 nonlocal_goto_stack_level, return_label, save_expr_regs,
10485 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
10486 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
10487 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
10488 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
10489 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
10491 (push_function_context_to): Don't save them. Don't call
10492 save_storage_status, save_emit_status or save_expr_status.
10493 (pop_function_context_from): Don't restore them. Don't call
10494 restore_storage_status or restore_expr_status.
10495 (get_func_frame_size): New function.
10496 (get_frame_size): Use it.
10497 (assign_outer_stack_local): Reflect some member name changes in struct
10499 (put_reg_into_stack): Likewise.
10500 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
10502 (fixup_var_refs): Likewise.
10503 (fix_lexical_addr): Likewise.
10504 (trampoline_address): Likewise.
10505 (prepare_function_start): Clear field inlinable of current_function.
10506 (init_function_for_compilation): New function.
10507 (expand_dummy_function_end): New function.
10508 (expand_function_end): Call finish_expr_for_function.
10509 * function.h (struct emit_status): New; fields moved here from struct
10510 function and from global variables. Add accessor macros for some of
10512 (struct expr_status): Likewise.
10513 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
10514 (struct function): Add fields expr and emit, inlinable, inl_emit,
10515 original_arg_vector, original_decl_initial, inl_last_parm_insn,
10516 inl_max_label_num. Add many comments.
10517 Add accessor macros for all elts of struct function that no longer
10518 have a global variable.
10519 (cleanup_label, return_label, frame_offset, tail_recursion_label,
10520 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
10521 stack_slot_list): Delete declarations.
10522 (get_func_frame_size): Declare.
10523 (save_expr_status, restore_expr_status, save_emit_status,
10524 save_storage_status, restore_storage_status): Delete declarations.
10525 (init_virtual_regs): Declare.
10526 * output.h (current_function_pops_args,
10527 current_function_returns_struct, current_function_returns_pcc_struct,
10528 current_function_needs_context, current_function_calls_setjmp,
10529 current_function_calls_longjmp, current_function_calls_alloca,
10530 current_function_has_nonlocal_label, current_function_varargs,
10531 current_function_has_computed_jump, current_function_returns_pointer,
10532 current_function_contains_functions, current_function_args_size,
10533 current_function_pretend_args_size, current_function_stdarg,
10534 current_function_outgoing_args_size, current_function_args_info,
10535 current_function_name, current_function_return_rtx,
10536 current_function_epilogue_delay_list,
10537 current_function_uses_const_pool, current_function_cannot_inline):
10538 Delete declarations.
10539 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
10540 regno_reg_rtx): Delete declaration.
10541 (REGNO_POINTER_FLAG): Delete macro.
10542 * stmt.c (expand_goto): Changes to reflect that some fields in struct
10543 function were renamed.
10544 * stor-layout.c (save_storage_status, restore_storage_status): Delete
10546 * toplev.c: Include "function.h".
10547 (current_function_decl): Delete declaration.
10548 (compile_file): Call init_dummy_function_start and
10549 expand_dummy_function_end around some initializations that need to
10551 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
10552 Call init_function_for_compilation.
10553 * unroll.c: Include "function.h"
10554 (unroll_loop): Access regno_pointer_* variables through
10557 * tree.h (struct tree_decl): Add elt f to saved_insns member.
10558 (DECL_SAVED_INSNS): use it.
10559 (expand_dummy_function_end): Declare.
10560 (init_function_for_compilation): Declare.
10561 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
10562 that it's no longer an INLINE_HEADER.
10563 (expand_call): Likewise.
10564 * integrate.c (finish_inline): Delete function.
10565 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
10566 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
10567 args. Don't generate an INLINE_HEADER rtx, just return the arg
10568 vector. All callers changed.
10569 (save_for_inline_copying): Create a duplicate struct emit_status to
10570 hold the emit state for compiling the current function. Use this and
10571 the other new fields in struct function that are for integration
10572 instead of an INLINE_HEADER.
10573 Use memcpy instead of bcopy.
10574 Store the current struct function in DECL_SAVED_INSNS of fndecl.
10575 (save_for_inline_nocopy): Similar changes, except no new emit_status
10577 (expand_inline_function): Get information from function structure,
10578 not from an inline header rtx.
10579 (output_inline_function): Lose code to extract the necessary
10580 information from an inline header; simply put back the function
10581 structure into current_function. Clear its inlinable elt.
10582 * rtl.def (INLINE_HEADER): Delete.
10583 * rtl.h: Delete all accessors for an INLINE_HEADER.
10584 (gen_inline_header_rtx): Delete declaration.
10585 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
10586 Delete declarations.
10587 (REGNO_POINTER_ALIGN): Delete.
10588 (clear_emit_caches): Declare.
10589 (set_new_last_label_num): Declare.
10591 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
10593 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
10595 * except.c (expand_eh_region_start_for_decl): Always start a new block.
10596 * stmt.c (is_eh_region): Make sure current_function is present, too.
10598 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
10600 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
10601 for 64bit PA targets.
10603 * pa.h (SELECT_SECTION): Define.
10604 * som.h (SELECT_SECTION): Delete.
10606 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10608 * alias.c (init_alias_analysis): Wrap call to
10609 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
10611 1999-08-07 Bruce Korb <autogen@linuxbox.com>
10613 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
10614 <sys/asm.h> contains an asm comment with an apostrophe
10615 * fixinc/inclhack.sh: regen
10616 * fixinc/fixincl.x: regen
10618 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
10620 * function.c (init_function_start): Clear prologue & epilogue.
10621 (prologue_epilogue_contains): New function.
10622 * alias.c (init_alias_analysis): Use it.
10623 * rtl.h (prologue_epilogue_contains): Declare it.
10625 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
10627 * jump.c (onlyjump_p): New function.
10628 * rtl.h: Declare it.
10629 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
10630 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
10632 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
10634 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
10635 to invert loops. Simplify block scanning.
10637 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10639 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
10640 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
10642 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
10644 * config/sparc/liteelf.h: New file to support sparclite-elf target
10645 * config/sparc/t-sp86x: New file to support sparc86x targets
10646 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
10647 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
10648 * configure.in: Support above target triplets
10649 * configure: Regenerated
10651 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
10653 * fixinc/server.c (server_setup): Do not prefix function used as
10654 parameter with `&'.
10656 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
10658 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
10659 Remove fp reg alternatives.
10661 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
10663 * Makefile.in (TAROUTOPTS): Kill.
10664 (install-headers-tar): Use "xpf" for tar headerfile extraction
10665 * i370/x-oe (TAROUTOPTS): Delete.
10666 * m68k/x-apollo68 (TAROUTOPTS): Delete.
10667 * m68k/x-hp320 (TAROUTOPTS): Delete.
10668 * m68k/x-hp320g (TAROUTOPTS): Delete.
10669 * gcc.texi: Update bug reporting text.
10671 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10673 * reg-stack.c (change_stack) Fixed problem with negative array index.
10675 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
10677 * extend.texi, install.texi: Fix spelling mistakes.
10679 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
10680 (s-attrtab); No longer try to use pre-made insn-attrtab file.
10681 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
10682 PREMADE_ATTRTAB_MD.
10683 * mips/t-ecoff: Likewise.
10684 * mips/t-elf: Likewise.
10685 * mips/t-mips: Likewise.
10686 * mips/t-osfrose: Likewise.
10687 * mips/t-r3900: Likewise.
10688 * mips/t-svr3: Likewise.
10689 * mips/t-svr4: Likewise.
10690 * mips/t-ultrix: Likewise.
10692 * gcc.texi: Document recommend means to provide software floating
10693 point libraries in libgcc.a
10695 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
10697 * c-lex.c (yylex): We can have a number with no digits.
10699 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
10701 * jump.c (delete_prior_computation): New function, broken
10702 out of delete_computation. Check for side effects with
10703 side_effects_p instead of FIND_REG_INC_NOTE. Handle
10704 multi-word hard registers.
10705 (delete_computation): Use it. Check for side effects with
10706 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
10707 missing REG_DEAD note for a register which is both set and
10710 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
10712 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
10713 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
10714 (ASM_FILE_START): Import _mcount with the right type.
10715 (ASM_DECLARE_FUNCTION_NAME): Define.
10716 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
10717 * pa.c (output_function_prologue): Always emit the function's label
10719 * pa.h (TEXT_SPACE_P): Define.
10720 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
10721 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
10722 * som.h (TEXT_SPACE_P): Delete.
10723 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
10724 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
10726 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
10728 * expr.c (emit_group_load): Allow src to be a CONCAT.
10730 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10732 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
10733 (___mulsi3): Use '!' comment character.
10735 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10737 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
10739 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
10741 * gcc.c: Update URLs and mail addresses.
10742 * gcc.texi: Likewise.
10744 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
10746 * rs6000.c (current_file_function_operand): Return zero for
10748 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
10750 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
10753 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
10755 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
10756 allocate space in the stack frame for the PIC register.
10758 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
10760 * m68k.md (xordi3, anddi3): These patterns are not available on
10763 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
10765 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
10766 (PUT_REAL): Likewise.
10768 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10770 * final.c (shorten_branches): Don't add an alignment for loops
10771 that have no label inside.
10773 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10775 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
10776 prototypes in macro HAVE_cmpstrsi.
10778 * cpplib.c (cpp_get_token): Remove unused label `op3'.
10780 * emit-rtl.c (operand_subword): Remove unused variable
10783 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
10785 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
10787 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
10789 * cpphash.c (macroexpand): Delete leading whitespace when arg
10790 is concatenated before.
10791 (unsafe_chars): Correct test for whether + and - can extend a
10794 * cppinit.c (cpp_start_read): Do dependencies for
10795 -include/-imacros files also.
10797 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
10798 tokenizing non-directive lines.
10799 (cpp_expand_to_buffer): Temporarily disable no-output mode.
10800 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
10803 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
10805 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
10807 * c-lex.c: Sync with C++ frontend.
10808 (linemode): New variable.
10809 (parse_float): imag, conversion_errno, and type are output only.
10810 (yylex): Adjust. Move initial '.' case into main switch.
10812 (handle_generic_pragma): Just deal with tokens.
10813 (readescape): Use ISXDIGIT and ISGRAPH.
10814 * c-parse.in: Add END_OF_LINE token.
10816 * c-lex.c (lang_init): Generalize.
10817 (nextchar): Remove. Replace uses with UNGETC.
10818 (skip_white_space): Handle linemode here. Optimize for cpplib.
10819 (skip_white_space_on_line): Remove.
10820 (extend_token_buffer_to): New fn.
10821 (extend_token_buffer): Use it.
10822 (read_line_number, check_newline): Just deal with tokens.
10823 (token_getch, token_put_back): New fns.
10824 (yylex): Use them. More cpplib optimizations. Simplify.
10826 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
10827 Jason Merrill <jason@yorick.cygnus.com>
10829 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
10830 (consume_string): Make this smart about USE_CPPLIB.
10831 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
10832 (yylex): Rewrite to be intelligent about USE_CPPLIB.
10833 Also, clean up cases where we redundantly set token_buffer[0].
10834 (read_line_number): New fn.
10835 (ignore_escape_flag): New variable.
10837 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
10839 * a29k/t-a29kbare: Fix some comments.
10840 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
10841 (FPBIT, DPBIT): Define.
10842 * a29k/t-vx29k: Likewise.
10843 * arc/t-arc: Likewise.
10844 * arm/t-arm-elf: Likewise.
10845 * arm/t-bare: Likewise.
10846 * arm/t-pe: Likewise.
10847 * arm/t-pe-thumb: Likewise.
10848 * arm/t-semi: Likewise.
10849 * arm/t-thumb: Likewise.
10850 * arm/t-thumb-elf: Likewise.
10851 * arm/t-thumb-linux: Likewise.
10852 * h8300/t-h8300: Likewise.
10853 * i960/t-i960: Likewise.
10854 * i960/t-vxworks960: Likewise.
10855 * m32r/t-m32r: Likewise.
10856 * mips/t-ecoff: Likewise.
10857 * mips/t-elf: Likewise.
10858 * mips/t-r3900: Likewise.
10859 * pa/t-pro: Likewise.
10860 * rs6000/t-aix43: Likewise.
10861 * rs6000/t-beos: Likewise.
10862 * rs6000/t-newas: Likewise.
10863 * rs6000/t-ppccomm: Likewise.
10864 * rs6000/t-rs6000: Likewise.
10865 * rs6000/t-winnt: Likewise.
10866 * rs6000/t-xnewas: Likewise.
10867 * rs6000/t-xrs6000: Likewise.
10868 * sh/t-sh: Likewise.
10869 * sparc/t-elf: Likewise.
10870 * sparc/t-sparcbare: Likewise.
10871 * sparc/t-sparclite: Likewise.
10872 * sparc/t-splet: Likewise.
10873 * v850/t-v850: Likewise.
10874 * mn10200/t-mn10200: Fix comments.
10875 * mn10300/t-mn10300: Likewise.
10877 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
10878 dummy operand. Allocate a new pseudo for the dummy operand.
10879 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
10881 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
10883 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
10885 * configure: Rebuilt.
10886 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
10888 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
10890 * recog.c (preproces_constraints): Zero recog_op_alt before
10891 processing the constraints.
10893 * arm.c (typedef minipool_node): Renamed from pool_node.
10894 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
10895 (add_minipool_constant): New function.
10896 (dump_minipool): New function.
10897 (find_barrier): Remove special case for getting the insn size of
10898 an insn that references the constant pool.
10899 (minipool_fixup): New structure.
10900 (push_minipool_barrier): New function.
10901 (push_minipool_fix): New function.
10902 (note_invalid_constants): New function.
10903 (add_pool_constant, dump_table, fixit, broken_move): Delete.
10904 (arm_reorg): Rewrite code to fix up the constant pool into a
10905 series of mini-pools embedded in the insn stream.
10906 (arm_output_epilogue): New function, made mainly from the body
10907 of output_func_epilogue.
10908 (output_func_epilogue): Move insn generation part of epilogue code
10909 to arm_output_epilogue.
10910 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
10911 * arm.md (pool_range): New attribute.
10912 (zero_extendqidi2): Add attribute pool_range.
10913 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
10914 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
10915 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
10916 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
10917 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
10918 (epilogue): New expand.
10919 (epilogue_insn): New insn. Call arm_output_epilogue.
10921 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
10922 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
10924 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
10926 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
10928 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
10930 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
10932 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
10934 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
10936 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
10938 * global.c: Fix comment.
10940 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
10942 * gcc.c (access_check): New static function.
10943 (find_a_file): Use it when searching a directory list.
10944 * collect2.c (find_a_file): Don't accept directories found when
10945 searching a directory list.
10947 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
10949 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
10950 function parameters with `&'.
10951 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
10953 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
10955 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
10956 or tidy_fallthru_edge if the last insn in the block is not
10957 an unconditional jump or a simple conditional jump.
10959 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10961 * Makefile.in (c-decl.o): Depends on defaults.h.
10963 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
10965 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
10967 (CLASS_MAX_NREGS): Likewise.
10969 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
10971 * cse.c (cse_insn): Fix dumb thinko in last change.
10973 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10975 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
10978 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
10980 * dwarf2out.c (add_location_or_const_value_attribute): Correct
10981 test for sizes of passed and declared parameter types.
10983 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10985 * fixincludes: Fix the return type of bsearch, char* -> void*.
10987 * fixinc/inclhack.def: Likewise.
10989 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
10991 * invoke.texi (-fdump-translation-unit): New option.
10993 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
10995 * expr.h (PROMOTE_PROTOTYPES): Move ...
10996 * defaults.h: ... to here.
10997 * c-decl.c: Include defaults.h instead of expr.h.
10998 * c-typeck.c: Include defaults.h.
11000 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
11002 * toplev.h (errorcount): Declare.
11003 (warningcount): Likewise.
11004 (sorrycount): Likewise.
11005 * c-lex.c (errorcount): Don't declare.
11006 * dwarf2out.c (errorcount): Don't declare.
11008 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
11010 * config/libgloss.h: Add a note discouraging use with ELF.
11011 * configure.in: Don't use libgloss.h for ELF targets.
11012 Always use_collect2 on a.out targets.
11014 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
11016 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
11017 (force_to_mode, case ASHIFTRT): Add shiftrt label.
11019 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11021 * loop.c (strength_reduce): When doing biv->giv conversion, update
11022 reg note of NEXT->insn.
11024 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11026 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
11028 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11030 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
11031 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
11032 Ensure expr.h is included.
11033 * c-typecheck.c (convert_arguments): Ditto.
11035 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
11037 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
11038 * config/convex/convex.h: Ditto.
11039 * config/dsp16xx/dsp16xx.h: Ditto.
11040 * config/fx80/fx80.h: Ditto.
11041 * config/gmicro/gmicro.h: Ditto.
11042 * config/i370/i370.h: Ditto.
11043 * config/i386/i386.h: Ditto.
11044 * config/m32r/m32r.h: Ditto.
11045 * config/m68k/m68k.h: Ditto.
11046 * config/m88k/m88k.h: Ditto.
11047 * config/mips/mips.h: Ditto.
11048 * config/pa/pa.h: Ditto.
11049 * config/pyr/pyr.h: Ditto.
11050 * config/tahoe/tahoe.h: Ditto.
11051 * config/we32k/we32k.h: Ditto.
11053 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
11054 based on arch size.
11056 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
11058 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
11061 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
11063 1999-08-02 Richard Henderson <rth@cygnus.com>
11065 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
11066 for the register spill block.
11067 (m32r_va_arg): New.
11068 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
11069 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
11071 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
11072 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
11073 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
11075 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11077 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
11078 MAX_WCHAR_TYPE defined in sparc.h.
11079 * config/sparc/linuxaout.h: Likewise.
11080 * config/sparc/linux64.h: Likewise.
11081 Also default to -mvis if CPU is UltraSPARC.
11083 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11085 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
11086 (RTX_OK_FOR_OLO10): Likewise.
11087 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
11088 %lo(), allow it in addresses...
11089 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
11090 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
11091 does not make sense.
11092 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
11093 (sparc_output_scratch_registers): New function.
11094 (output_function_prologue, sparc_flat_output_function_prologue): Use
11096 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
11098 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
11099 * configure.in: Add check for .register pseudo-op support in as and
11100 check for offsetable %lo().
11101 * acconfig.h: Add templates for the above checks.
11102 * configure: Regenerate.
11104 1999-08-02 Richard Henderson <rth@cygnus.com>
11106 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
11107 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
11108 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
11110 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11112 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
11115 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11117 * config/float-sparc.h: New file.
11118 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
11119 sparc-*-linux-gnu and sparc64-*-linux*.
11121 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11123 * rs6000.c (rs6000_va_list): Type is an array.
11124 (rs6000_va_start): Don't doubly adjust for varargs.
11125 (rs6000_va_arg): Evaluate long long GPR adjustment.
11127 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
11129 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
11130 -maix64 and -maix32.
11131 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
11132 LINK_SPEC): Change appropriately.
11133 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
11134 (u_short_cint_operand): Likewise.
11135 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
11137 * rs6000/t-aix43 (MULTILIB): Change to -m64.
11139 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
11141 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
11143 * rs6000/rs6000.c (num_insns_constant_wide): Correct
11144 for type promotion.
11145 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
11146 (non_add_cint_operand): Likewise.
11147 (logical_operand): Likewise.
11148 (non_logical_cint_operand): Likewise.
11149 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
11150 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
11151 (rs6000_select_rtx_section): Suppress warning.
11152 (small_data_operand): Suppress warning.
11153 (rs6000_got_register): Suppress warning.
11154 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
11155 type, so `J' is generally the wrong constraint for a SImode value;
11157 (andsi3_internal2): Likewise.
11158 (andsi3_internal3): Likewise.
11159 (iorsi3_internal1): Likewise.
11160 (xorsi3_internal1): Likewise.
11162 (movsf_softfloat): Likewise.
11163 (scc insns): Likewise.
11164 (movsi+2): Preserve sign bits of SImode constant.
11165 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
11166 (movdf+1): Sign-extend properly.
11167 (movdi_32+1): Sign-extend properly.
11168 (scc insns): Sign-extend properly.
11170 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
11173 1999-08-02 Richard Henderson <rth@cygnus.com>
11175 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
11176 -mcpu parsing code.
11177 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
11178 * alpha.md (all fp insns): Likewise.
11180 1999-08-02 Nick Clifton <nickc@cygnus.com>
11182 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
11185 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
11187 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
11188 pic_load_label generator directly.
11189 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
11190 No longer a named pattern.
11192 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
11194 * explow.c (force_reg): Call force_operand if X does not
11195 satisfy general_operand.
11197 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
11199 * fix-header.c (main): When testing for CONTINUED, use string
11200 equality, not pointer equality.
11202 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
11204 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
11206 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
11208 * cse.c (cse_insn): Fix loop which deletes insns after a jump
11209 that has become an unconditional jump.
11211 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
11212 (output_function_epilogue): Similarly.
11214 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11216 * tree.h (init_dummy_function_start): Declare.
11218 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11220 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
11221 last_expr_type, last_expr_value, block_start_count, block_stack,
11222 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
11223 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
11224 dynamically in stmt elt of struct function for each function.
11225 (struct nesting): Rename function_call_count elt to n_function_calls,
11226 target_temp_slot_level to block_target_temp_slot_level. All users
11228 (struct stmt_status): New structure definition.
11229 Add many accessor macros for stmt_status elements which previously
11230 were global variables.
11231 (init_stmt_for_function): Allocate stmt elt for current_function.
11232 Reflect that block_start_count was renamed to
11233 current_block_start_count.
11234 (save_stmt_status, restore_stmt_status): Delete functions.
11235 (preserve_subexpressions_p): Don't access loop_stack when outside
11237 (expand_start_bindings): Reflect that block_start_count was renamed to
11238 current_block_start_count.
11239 (expand_fixup): Likewise.
11240 (expand_decl): Don't access block_stack when outside a function.
11241 (expand_decl_cleanup): Likewise.
11242 (expand_dcc_cleanup): Likewise.
11243 (expand_dhc_cleanup): Likewise.
11244 (expand_anon_union_decl): Likewise.
11245 (set_file_and_line_for_stmt): New function.
11246 (in_control_zone_p): New function.
11248 * function.h (struct function): Add new elt stmt.
11249 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
11250 case_stack, nesting_stack, nesting_depth, block_start_count,
11251 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
11252 emit_lineno, goto_fixup_chain.
11253 (save_eh_status, restore_eh_status, save_stmt_status,
11254 restore_stmt_status): Delete declarations.
11255 * function.c (push_function_context_to): Don't call save_stmt_status.
11256 (pop_function_context_to): Don't call restore_stmt_status.
11257 * tree.h (in_control_zone_p): Declare.
11258 * rtl.h (set_file_and_line_for_stmt): Declare.
11260 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
11261 call set_file_and_line_for_stmt.
11263 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
11265 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
11266 Also update copyright.
11268 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11270 * c-pragma.c: Don't include "except.h".
11271 * emit-rtl.c: Likewise.
11272 * stor-layout.c: Likewise.
11273 * tree.c: Likewise.
11274 * varasm.c: Likewise.
11276 * flow.c: Include "function.h".
11277 * tree.h (init_dummy_function_start): Declare new function.
11279 * except.h (struct eh_status): New structure.
11280 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
11282 (eh_return_stub_label, ehstack, catchstack, ehqueue,
11283 catch_clauses, false_label_stack, caught_return_label_stack,
11284 protect_list, current_function_ehc): Add accessor macros for the
11285 corresponding fields in current_function->eh; delete declarations
11286 for all items that used to be declared here.
11287 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
11288 catch_clauses, false_label_stack, caught_return_label_stack,
11289 protect_list, current_function_ehc): Delete variables.
11290 (init_eh_for_function): Allocate current_function->eh.
11291 (save_eh_status, restore_eh_status): Delete functions.
11293 * function.h (struct function): Add fields next_global and eh.
11294 Delete all exception handling related fields.
11295 * function.c (current_function): New variable.
11296 (all_functions): New variable.
11297 (push_function_context_to): Don't allocate a struct function,
11298 use current_function instead. Call init_dummy_function_start when
11299 outside a function. Clear current_function before returning.
11300 (pop_function_context_from): Restore current_function.
11301 Don't free the restored struct function.
11302 (prepare_function_start): New function.
11303 (init_dummy_function_start): New function.
11304 (init_function_start): Break out some code into prepare_function_start
11307 * stmt.c (save_stmt_status): Don't call save_eh_status.
11308 (restore_stmt_status): Don't call restore_eh_status.
11310 * Makefile.in: Update dependencies.
11312 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
11314 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
11315 of depending on a magic constant value. Update comments.
11316 (hppa_expand_prologue): Similarly.
11318 * pa.md (reload_indi, reload_outdi): Allow any register for the
11319 original reload register.
11321 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
11323 * cccp.c (print_help): Change marcos to macros.
11325 1999-07-30 Richard Henderson <rth@cygnus.com>
11327 * c-typeck.c (initializer_constant_valid_p): Move ...
11328 * c-common.c (initializer_constant_valid_p): ... here. Use
11329 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
11330 of label addresses.
11331 * c-common.h (initializer_constant_valid_p): Declare.
11332 * c-tree.h (initializer_constant_valid_p): Remove.
11334 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
11336 * config/i386/sol2-c1.asm: Align the stack.
11337 * config/i386/sol2-gc1.asm: Likewise.
11339 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
11341 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
11342 -Asparclite for sparc86x.
11343 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
11345 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
11347 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
11349 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
11350 the user if using the non-default arch size in BI_ARCH configuration.
11351 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
11353 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
11354 Fix patterns so that they actually match.
11355 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
11356 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
11357 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
11359 (mulsidi3): Reflect this in the expand.
11360 (smulsi3_highpart): Only on TARGET_ARCH32.
11361 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
11362 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
11363 (umulsidi3): Reflect this in the expand.
11364 (umulsi3_highpart): Only on TARGET_ARCH32.
11365 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
11366 don't require g0 to be zero.
11367 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
11368 ({,u}divsi3): New expands.
11369 ({,u}divsi3_sp64): New patterns.
11370 (after lshrdi3_v8plus): Four new patterns to help combiner
11371 optimizing nested mixed mode shifts.
11373 * config/sparc/sparc.c (sparc_override_options): Use deprecated
11374 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
11375 speed things up. Don't use them by default on plain v9 in 64bit
11376 mode, according to what SPAMv9 sais.
11378 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
11379 top 32 bits of %[og][0-7] in signal handlers.
11380 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
11382 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
11384 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
11385 (ashlsi3): Corresponding changes.
11387 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
11389 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
11391 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
11393 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11395 * arm.h (Hint): Delete macro.
11396 Substitute HOST_WIDE_INT for Hint in some prototypes.
11397 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
11399 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
11401 * builtins.c (expand_builtin_setjmp): Use force_operand to
11402 make sure that the buffer address is in a suitable form to be
11403 passed to force_reg.
11405 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
11407 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
11410 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
11412 * pa.md (indirect_jump): Remove mode from match_operand. Verify
11413 proper mode in the condition string.
11414 (icacheflush, dcacheflush): Remove modes from match_operands.
11416 * pa.c (emit_move_sequence): Always convert scratch_reg to the
11417 proper mode before using it.
11419 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
11422 * pa.c (store_reg): Do not call add_high_const generator directly.
11423 (load_reg, set_reg_plus_d): Likewise.
11424 * pa.md (add_high_const): No longer a named pattern.
11426 * pa.c (legitimize_address): Consistently use Pmode rather than
11427 SImode. Do not call gen_pic2_highpart directly anymore.
11428 * pa.md (pic2_highpart): No longer a named pattern.
11429 (pic2_lo_sum): Similarly. Reformat to make more readable.
11431 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
11436 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11438 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
11440 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
11442 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
11443 and tag the spill mems.
11444 (hppa_va_start): New.
11445 (hppa_va_arg): New.
11446 * pa.h (EXPAND_BUILTIN_VA_START): New.
11447 (EXPAND_BUILTIN_VA_ARG): New.
11449 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
11451 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
11452 and tag the spill mems.
11453 (mn10300_va_start): New.
11454 (mn10300_va_arg): New.
11455 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
11456 (EXPAND_BUILTIN_VA_ARG): New.
11458 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
11460 * mn10200.c (mn10200_va_arg): New.
11461 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
11463 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
11465 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
11466 rather than play with TREE_INT_CST_LOW.
11468 1999-07-27 Philip Blundell <pb@nexus.co.uk>
11470 * config/arm/telf.h: Include dbxelf.h.
11471 (CPP_PREDEFINES): Only define if not already defined.
11472 (ASM_IDENTIFY_GCC): Likewise.
11473 (SUBTARGET_EXTRA_SECTIONS): Likewise.
11474 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
11475 * config/arm/thumb.h (LINK_SPEC): Only define if not already
11477 (DBX_DEBUGGING_INFO): Don't define.
11478 * config/arm/linux-telf.h: New file.
11479 * config/arm/linux-tgas.h: New file.
11480 * config/arm/t-thumb-linux: New file.
11481 * config/arm/uclinux-elf.h: New file.
11482 * config/arm/uclinux-telf.h: New file.
11483 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
11484 thumb-*-uclinux): New targets.
11485 * configure: Regenerate.
11487 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
11489 * pa.md (post_store, pre_load): New expanders.
11490 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
11491 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
11492 need to directly generate RTL for them.
11493 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
11496 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
11498 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
11499 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
11500 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
11501 (secndary_reload_class): Make TARGET_ELF conditional compile.
11502 (print_operand_address): Similar.
11503 (output_toc): Print all values as hex.
11504 (get_issue_rate): Rearrange and add RS64A and PPC630.
11505 * rs6000.h (processor_type): Add RS64A and PPC630.
11506 (PROCESSOR_POWERPC64): New.
11507 (PROMOTE_MODE): Use word_mode.
11508 (RTX_COSTS): Add RS64A and PPC630.
11509 * rs6000.md (scheduling information): Add lmul and ldiv
11510 representing 64-bit integer multiply and divide. Add rs64a and
11511 PPC630 information.
11512 (ashldi3): Add support for "rldic" instruction.
11513 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
11515 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
11517 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
11518 instead of V8 for sparclite86x in cpu_table.
11520 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11522 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
11523 output_file_directive.
11525 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
11527 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
11528 tree for op1, not the rtl.
11530 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
11532 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
11533 to m88k_va_start, leaving only the register spill.
11534 (m88k_build_va_list): New.
11535 (m88k_va_start): New.
11536 (m88k_va_arg): New.
11537 * m88k.h (BUILD_VA_LIST_TYPE): New.
11538 (EXPAND_BUILTIN_VA_START): New.
11539 (EXPAND_BUILTIN_VA_ARG): New.
11541 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
11543 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
11544 Rename from expand_builtin_saveregs.
11545 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
11547 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
11549 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
11550 for the register spill block.
11551 (i960_build_va_list): New.
11552 (i960_va_start): New.
11553 (i960_va_arg): New.
11554 * i960.h (BUILD_VA_LIST_TYPE): New.
11555 (EXPAND_BUILTIN_VA_START): New.
11556 (EXPAND_BUILTIN_VA_ARG): New.
11557 * i960.md (store_multiple): Use change_address on individul mems.
11559 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
11561 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
11563 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
11564 (expand_builtin_va_end): Evaluate arg for side effects.
11565 * c-common.c (c_common_nodes_and_builtins): Construct a
11566 va_list_arg_type_node to handle array decomposition to pointer.
11568 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
11570 * except.c (start_dynamic_cleanup): Use force_operand on the
11573 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
11575 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
11576 * c4x.c (c4x_va_arg): New.
11578 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
11580 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
11581 has manual_pop set.
11583 1999-07-26 Nathan Sidwell <nathan@acm.org>
11585 * eh-common.h (__eh_matcher): Prototype correctly.
11587 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
11589 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
11590 (TARGET_SINGLE_PIC_BASE): Likewise.
11591 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
11593 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
11594 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
11595 (TARGET_OPTIONS): Add -mpic-register=N.
11596 (OUTPUT_INT_ADDR_CONST): New macro.
11597 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
11598 LEGITIMATE_PIC_OPERAND_P): Likewise.
11599 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
11600 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
11601 output_addr_const directly.
11602 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
11604 (thumb_pic_register, thumb_pic_register_string): Declare.
11606 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
11608 (label_mentioned_p): New function: Imported from arm.c.
11609 (legitimize_pic_address): New function: Imported from arm.c.
11610 (is_pic):New function: Imported from arm.c.
11611 (thumb_finalize_pic):New function: Imported from arm.c.
11612 (add_constant): Cope with PIC constants.
11613 (fixit): Cope with PIC constants.
11614 (output_return): Do not treat the PIC register as live if
11615 TARGET_SINGLE_PIC_BASE is true.
11616 (thumb_function_prologue): Do not treat the PIC register as live if
11617 TARGET_SINGLE_PIC_BASE is true.
11618 (thumb_expand_prologue): Do not treat the PIC register as live if
11619 TARGET_SINGLE_PIC_BASE is true.
11620 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
11621 TARGET_SINGLE_PIC_BASE is true.
11622 (thumb_print_operand): Accept '|'.
11623 (thumb_override_options): Process PIC options.
11625 * config/arm/thumb.md (movsi): Support PIC.
11626 (call_insn): Change "i" constraint to "X".
11627 (call_value_insn): Likewise.
11628 (consttable_4, consttable_8, consttable_end): Set and clear
11629 "making_const_table" as appropriate.
11630 (pic_load_addr, pic_add_dot_plus_four): New insns.
11632 * invoke.texi (Thumb Options): Fix spelling. Document new
11633 options -msingle-pic-base and -mpic-register=.
11635 1999-07-26 Andrew Haley <aph@cygnus.com>
11637 * config/m32r/initfini.c (__init): Use a full word immediate for
11638 __fini: this allows it to be placed in any memory region.
11640 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
11641 -mmodel=medium. This is OK for all memory models.
11643 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
11645 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
11646 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
11648 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
11650 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
11653 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
11655 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
11657 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
11658 (BUILD_VA_LIST_TYPE): New.
11659 (EXPAND_BUILTIN_VA_START): New.
11660 (EXPAND_BUILTIN_VA_ARG): New.
11661 * i860.c (output_delayed_branch): Disable.
11662 (output_delay_insn): Likewise.
11663 (i860_saveregs): New.
11664 (i860_build_va_list): New.
11665 (i860_va_start): New.
11666 (i860_va_arg): New.
11667 * i860.md: Disable all peepholes using output_delayed_branch.
11668 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
11670 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
11672 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
11673 (BUILD_VA_LIST_TYPE): New.
11674 (EXPAND_BUILTIN_VA_START): New.
11675 (EXPAND_BUILTIN_VA_ARG): New.
11676 * clipper.c (clipper_builtin_saveregs): Only dump registers.
11677 Return the address of the save area.
11678 (clipper_build_va_list): New.
11679 (clipper_va_start): New.
11680 (clipper_va_arg): New.
11682 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
11684 * arc.h (EXPAND_BUILTIN_VA_START): New.
11685 (EXPAND_BUILTIN_VA_ARG): New.
11686 * arc.c (arc_setup_incoming_varargs): Set alias set of
11688 (arc_va_start): New.
11691 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
11693 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
11694 (BUILD_VA_LIST_TYPE): New.
11695 (EXPAND_BUILTIN_VA_START): New.
11696 (EXPAND_BUILTIN_VA_ARG): New.
11697 * alpha.c (alpha_builtin_saveregs): Delete.
11698 (alpha_build_va_list): New.
11699 (alpha_va_start): New.
11700 (alpha_va_arg): New.
11702 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
11704 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
11706 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
11707 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
11709 * gcc.texi: More changes related to list conversion.
11710 * invoke.texi: Likewise.
11712 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
11714 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
11715 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
11716 (expand_builtin_next_arg): Accept ARGLIST not EXP.
11717 (stabilize_va_list): New function.
11718 (std_expand_builtin_va_start): New function.
11719 (expand_builtin_va_start): New function.
11720 (get_varargs_alias_set): New function.
11721 (std_expand_builtin_va_arg): New function.
11722 (expand_builtin_va_arg): New function.
11723 (expand_builtin_va_end): New function.
11724 (expand_builtin_va_copy): New function.
11725 (expand_builtin): Call them.
11726 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
11727 __builtin_{varargs_start,stdarg_start,end,copy}.
11728 (build_va_arg): New function.
11729 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
11730 (build_va_arg): Declare.
11731 * c-decl.c (ptr_type_node, va_list_type_node): New.
11732 * c-parse.gperf (__builtin_va_arg): New.
11733 * c-parse.in (VA_ARG): New token.
11734 (unary_expr): Recognize it.
11735 * expr.c (expand_expr): Expand VA_ARG_EXPR.
11736 * expr.h (std_expand_builtin_va_start): Declare.
11737 (std_expand_builtin_va_arg): Declare.
11738 (expand_builtin_va_arg): Declare.
11739 (get_varargs_alias_set): Declare.
11740 * tree.def (VA_ARG_EXPR): New.
11741 * tree.h (BUILT_IN_VARARGS_START): New.
11742 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
11743 (ptr_type_node, va_list_type_node): Declare.
11744 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
11745 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
11746 * m88k.h, m88k.c: Likewise.
11747 * mn10300.h, mn10300.c: Likewise.
11748 * pa.h, pa.c: Likewise.
11749 * rs6000.h, rs6000.c: Likewise.
11750 * sh.h, sh.c: Likewise.
11751 * sparc.h, sparc.c: Likewise.
11753 * emit-rtl.c (operand_subword): Copy alias set.
11754 (change_address): Likewise.
11756 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
11758 * pa.c (compute_frame_size): Scan all the used callee saved registers,
11759 not just the first one.
11761 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
11763 * config/arm/arm.h (TARGET_SWITCHES): Add
11764 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
11765 (TARGET_OPTIONS): Add -mpic-register=.
11766 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
11767 (arm_pic_register_string): Declare.
11768 (NEED_PLT_GOT): Delete, replace with ...
11769 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
11770 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
11771 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
11772 * config/arm/arm.c (arm_override_options): Add new option
11774 (arm_pic_register_string): New variable.
11775 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
11776 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
11777 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
11778 (output_return_instruction): Likewise.
11779 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
11780 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
11781 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
11783 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
11784 mention of -msched-prolog. Document new options -msingle-pic-base
11785 and -mpic-register=.
11787 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
11789 * haifa-sched.c (reemit_notes): Tidy.
11790 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
11793 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
11795 * explow.c (trunc_int_for_mode): New function.
11796 (plus_constant_wide): Use it.
11797 * combine.c (simplify_and_const_int): Likewise.
11798 (merge_outer_ops): Likewise.
11799 (simplify_shift_const): Likewise.
11800 * cse.c (simplify_unary_operation): Likewise.
11801 (simplify_binary_operation): Likewise.
11802 * emit-rtl.c (operand_subword): Likewise.
11803 * rtl.h: Declare it.
11805 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11807 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
11808 (use NUM_REGS instead of NUM_INTS).
11810 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11812 * builtins.c: New file.
11813 * expr.c (saveregs_value, apply_args_value): Delete definition,
11814 moved into builtins.c.
11815 (string_constant): No longer static.
11816 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
11817 apply_args_size, apply_result_size, result_vector,
11818 expand_builtin_apply_args, expand_builtin_apply,
11819 expand_builtin_return): Delete functions, moved into builtins.c.
11820 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
11821 * expr.h (saveregs_value, apply_args_value): Declare variables.
11822 (expand_builtin, string_constant): Declare functions.
11823 * Makefile.in: Update to build builtin.o.
11825 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
11827 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
11828 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
11829 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
11830 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
11832 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
11835 1999-07-21 Michael Meissner <meissner@cygnus.com>
11837 * print-rtl.c (print_rtx): Print the names of the virtual
11840 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
11842 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
11843 introduced in previous delta.
11845 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11847 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
11848 to avoid name clash.
11850 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
11852 * c-lex.c (yylex) : Correct the test for overflow when lexing
11855 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
11857 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
11858 (adjust_priority): Always call ADJUST_PRIORITY.
11859 (schedule_insn): Only put insns into the ready at cost 0.
11860 (schedule_block): Remove redundant initial sort. Give clock_var
11861 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
11863 * tm.texi (MD_SCHED_REORDER): Update docs.
11865 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
11866 * sparc.c (ultra_reorder_called_this_block): Delete.
11867 (ultrasparc_sched_init): Don't set it.
11868 (ultrasparc_sched_reorder): Don't check it.
11870 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
11872 * rs6000.h (struct rs6000_args): Add sysv_gregno.
11873 * rs6000.c (init_cumulative_args): Init sysv_gregno.
11874 (function_arg_boundary): Align DFmode.
11875 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
11876 to get fp reg and stack overflow correct.
11877 (function_arg): Likewise.
11878 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
11879 (setup_incoming_varargs): Restructure for ABI_V4; use
11880 function_arg_advance to skip final named argument.
11881 (expand_builtin_saveregs): Properly unskip the last integer arg
11882 when doing varargs. Adjust overflow location calculation.
11884 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
11885 explicitly unsigned.
11886 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
11887 (__VA_GP_REGSAVE): Similarly.
11888 (__va_longlong_p): Delete.
11889 (__va_arg_type_violation): New declaration.
11890 (va_arg): Restructure. Flag promotion errors. Align double.
11891 TFmode passed by reference.
11893 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
11894 in the HOST_BITS_PER_WIDE_INT > 32 case.
11896 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
11898 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
11900 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
11902 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
11903 * toplev.c (documented_lang_options): Add -fpreprocessed.
11904 * cpplib.h (struct cpp_buffer): Add preprocessed.
11905 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
11906 (cpp_start_read): Don't expand macros or emit an initial #line
11907 directive if -fpreprocessed.
11909 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
11911 * cpplib.h (struct cpp_buffer): Added manual_pop for
11912 better C++ tokenization.
11913 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
11914 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
11915 * c-common.c (cpp_token): Make non-static.
11917 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11919 * c-common.h: New file.
11920 * c-common.c (permanent_obstack): Delete unused declaration.
11921 (c_global_trees): New array.
11922 (c_common_nodes_and_builtins): New function; split off common code
11923 from init_decl_processing in both c-decl.c and cp/decl.c.
11924 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
11925 c_global_trees and accessor macros defined in c-common.h.
11926 Include c-common.h.
11927 * c-decl.c: Delete definitions for tree nodes that were replaced by
11929 (init_decl_processing): Build void_list_node.
11930 Call c_common_nodes_and_builtins; delete code to generate the common
11932 * objc/objc-act.c (build_module_descriptor): Rename variable
11933 void_list_node to avoid clash with c-common.h.
11935 * Makefile.in: Update dependencies.
11936 * objc/Make-lang.in: Likewise.
11938 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
11940 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
11941 (UNIQUE_SECTION_P): Likewise.
11942 (UNIQUE_SECTION): Likewise.
11944 1999-07-19 Linas Vepstas <linas@linas.org>
11946 * config/i370/README: New file.
11947 * config/i370/linux.h: New file.
11948 * config/i370/mvs.h: New file.
11949 * config/i370/oe.h: New file.
11950 * config/i370/t-linux: New file.
11951 * config/i370/t-mvs: New file.
11952 * config/i370/t-oe: New file.
11953 * config/i370/x-oe: New file.
11954 * config/i370/xm-linux.h: New file.
11955 * config/i370/xm-mvs.h: New file.
11956 * config/i370/xm-oe.h: New file.
11958 * i370.c (label_node_t): Add first_ref_page, label_addr,
11959 label_first_ref, label_last_ref members.
11960 (mvs_need_base_reload): Renamed from mvs_label_emitted.
11961 (MAX_MVS_LABEL_SIZE): Define.
11962 (MAX_LONG_LABEL_SIZE): Define.
11963 (alias_node_t, alias_anchor, alias_number): New.
11964 (mvs_function_table): Reorder for EBCDIC.
11965 (ascebc, ebcasc): Unconditionally define.
11966 (i370_branch_dest, i370_branch_length): New functions.
11967 (i370_short_branch, i370_label_scan): New functions.
11968 (mvs_get_label): Renamed from mvs_add_label. Search for
11969 an existing label before creating a new one.
11970 (mvs_add_label): New function.
11971 (mvs_get_label_page): New function.
11972 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
11973 over the entire list.
11974 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
11975 (mvs_check_page) [TARGET_ELF_ABI]: New function.
11976 (mvs_add_alias, mvs_need_alias): New functions.
11977 (mvs_get_alias, mvs_check_alias): New functions.
11978 (handle_pragma): New function.
11979 (mvs_function_check): New function.
11980 (unsigned_jump_follows_p): Search harder.
11981 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
11982 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
11983 * i370.h (TARGET_VERSION): Delete.
11984 (CPP_SPEC, CPP_PREDEFINES): Delete.
11985 (mvs_label_emitted): Delete.
11986 (TARGET_EBCDIC): Delete.
11987 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
11988 (HANDLE_PRAGMA): Define.
11989 (HARD_REGNO_NREGS): Handle complex modes.
11990 (HARD_REGNO_MODE_OK): Likewise.
11991 (CLASS_MAX_NREGS): Likewise.
11992 (RET_REG): Likewise.
11993 (EXTRA_CONSTRAINT): Define.
11994 (RETURN_IN_MEMORY): True for DImode.
11995 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
11996 (FUNCTION_PROFILER): Delete.
11997 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
11998 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
11999 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
12000 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
12001 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
12002 (ASM_FILE_START): Add "RMODE ANY".
12003 (ASM_OUTPUT_EXTERNAL): Check for aliases.
12004 (ASM_GLOBALIZE_LABEL): Likewise.
12005 (ASM_OUTPUT_LABELREF): Likewise.
12006 (ASM_OUTPUT_COMMON): Likewise.
12007 (PRINT_OPERAND): Handle 'K', 'W', default.
12008 (PRINT_OPERAND_ADDRESS): New.
12009 (Lots of defines): Add support for TARGET_ELF_ABI.
12010 * i370.md (attr length): New. Define for all patterns.
12011 (*): Lots of tweeks to assembly output and constraints.
12013 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
12015 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
12016 Disable patterns performing SImode comparisons with SImode values
12017 if TARGET_POWERPC64 and instruction does not sign-extend or does
12018 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
12019 differ for signed quantities.
12020 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
12021 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
12022 (decrement_and_branch_on_count): Add 64-bit variant.
12024 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12026 * final.c (output_asm_insn): When searching for the matching string
12027 for a given dialect, don't run past the end of the list of
12028 alternatives if there are fewer alternatives in the template than
12031 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
12033 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
12034 Removed paragraph about compression of files and size limitation,
12035 duplicated in the FAQ. Use gcc-patches for posting patches.
12036 * gcc.c (main): Updated URL with bug reporting instructions to
12037 gcc.gnu.org. Removed e-mail address.
12038 * system.h (abort): Likewise.
12040 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12042 * Makefile.in (stmp-multilib-sub): Make the files extracted
12043 from $(LIBGCC1) writable.
12045 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
12047 * config/arm/aout.h: Reformat for improved readability.
12049 * config/arm/arm.h: Reformat for improved readability.
12050 Replace uses of fprintf with asm_fprintf where appropriate.
12051 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
12052 function declaration assembler actions.
12053 (NUM_INTS): New macro: Convert from bytes to words.
12054 (NUM_REGS): New macro: Compute number of registers required to
12055 hold a quanitity of tyep MODE.
12056 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
12058 (NUM_ARG_REGS): New macro: The number of argument registers
12060 (ARG_REGISTER): New macro: Compute the register number of the Nth
12062 (LAST_ARG_REGNUM): New macro: The number of the last argument
12064 (SP_REGNUM): New macro: Register number of the stack pointer.
12065 (FP_REGNUM): New macro: Register number of the frame pointer.
12066 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
12067 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
12068 CUMULATIVE_ARGS so that it counts registers not bytes.
12070 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
12072 Replace uses of fprintf with asm_fprintf where appropriate.
12073 (output_ascii_pseudo_op): Replace with version from thumb.c
12075 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
12077 * config/arm/elf.h (CPP_PREDEFINES): Replace with
12078 SUBTARGET_CPP_SPEC.
12079 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
12080 (ASM_FILE_START): Emit ASM_APP_OFF.
12082 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
12084 * pa.c (compute_frame_size): Round frame according to
12085 STACK_BOUNDARY rather than a hardwired value.
12087 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
12089 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
12091 * configure: Rebuilt.
12093 * configure.in (hppa*-*-linux*): New configuration.
12094 * configure: Rebuilt.
12095 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
12096 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
12097 * pa/pa-linux.h: New file.
12098 * pa/t-linux: New file.
12099 * pa/xm-linux.h: New file.
12101 * pa.c (hppa_legitimize_address): Change references from SImode to
12102 either Pmode or word_mode as appropriate.
12103 (emit_move_sequence, store_reg, load_reg): Likewise.
12104 (set_reg_plus_d, hppa_expand_prologue): Likewise.
12105 (output_mul_insn): Likewise.
12106 * pa.h (PROMOTE_MODE): Likewise.
12107 (INITIALZE_TRAMPOLINE): Likewise.
12108 (Pmode): Define to word_mode.
12110 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
12111 value of 4. Allocate 8 bytes for each FP register save.
12112 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
12114 (hppa_expand_prologue): Likewise.
12115 * pa.h (PROMOTE_MODE): Likewise.
12116 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
12117 (FUNCTION_ARG_BOUNDARY): Likewise.
12119 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
12121 * pa.c (out_of_line_prologue_epilogue): Delete.
12122 (override_options): Remove -mspace related code.
12123 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
12124 (compute_frame_size): Only allocate space for register that
12125 actually need to be saved.
12126 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
12127 (TARGET_SWITCHES): Remove -mspace, -mno-space
12128 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
12129 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
12130 * pa/ee.asm, pa/ee_fp.asm: Delete.
12132 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
12134 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
12135 directive in column zero.
12137 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
12139 * m68k.c (output_function_prologue): Fix computation of save mask
12140 when generating PIC code.
12142 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
12144 * tree.c (build_type_attribute_variant): Move current_obstack restore
12145 after build_qualified_type call.
12147 1999-07-15 Mark Mitchell <mark@codesourcery.com>
12149 * configure.in: Use t-iris6, even with GNU LD.
12150 * config/mips/iris6gld.h: Fix typo in linker spec.
12151 * config/mips/t-iris6gld: Remove.
12153 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
12155 * rs6000.md (insv, extzv): Remove SImode dependence in named
12156 patterns. Explicitly generate DImode RTL if PowerPC64 and
12158 (insvdi): Reverse start and size in instruction template.
12160 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
12162 * invoke.texi: Typo fixes.
12164 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
12166 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
12167 handle at this time instead of silently generating incorrect code.
12168 (gen_imagpart): Likewise.
12170 * reload.c (find_reloads): Emit a USE for a pseudo register without
12171 a hard register if we could not create an optional reload for the
12174 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12176 * c-typeck.c (output_init_element, process_init_element):
12177 When advancing constructor_unfilled_fields for a RECORD_TYPE,
12178 check for nameless bit fields.
12180 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
12182 * regclass.c (scan_one_insn): Notice subregs that change the
12183 size of their operand.
12184 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
12186 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
12188 * configure.in (alpha*-*-*): Include alpha/t-ieee.
12189 * configure: Rebuilt.
12190 * alpha/t-ieee: New file.
12192 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
12194 * rs6000.c (find_addr_reg): Do not select r0 as an address
12197 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
12199 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
12201 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
12203 * rs6000.md (movsf): Do not force easy FP constants into memory.
12205 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
12206 immed_double_const to ensure they are properly truncated then
12209 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12211 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
12212 always unless NO_DEBUG is used. Compile this code
12214 (replace_symbols_in_block): Compile it unconditionally.
12216 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
12218 * configure.in (i?86-*-elf*): New target.
12219 * configure: Rebuilt.
12220 * i386/i386elf.h, i386/t-i386elf: New files.
12222 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
12224 * toplev.c (main): Don't complain about saying -gdwarf.
12225 (rest_of_compilation): Remove redundant code.
12227 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
12229 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
12231 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
12233 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
12234 "Li960R:", to avoid name clash.
12236 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12238 * loop.c (check_dbra_loop): When reversing a loop, delete all
12239 REG_EQUAL notes referencing the reversed biv except those which are
12240 for a giv based on it.
12242 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
12244 * version.c: Drop "gcc-" prefix from version #.
12246 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
12248 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
12249 the label if we're being verbose.
12251 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
12253 * m68k.c (output_function_prologue): Add pic register to mask
12254 if live and flag_pic.
12255 (output_function_epilogue): Likewise.
12257 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
12259 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
12260 directives in column zero.
12262 * pa/elf.h (ASM_FILE_START): Define.
12263 * pa/som.h (ASM_FILE_START): Include .level directives.
12264 * pa/hpux10.h (ASM_FILE_START): Delete.
12265 * pa/hpux11.h (ASM_FILE_START): Delete.
12267 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
12269 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12271 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
12272 when reload_out equals reload_in.
12274 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
12276 * invoke.texi (Spec Files): New node: Describe the contents of
12279 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
12281 * invoke.texi (DEC Alpha Options): Put @end table at
12282 beginning of line, to avoid confusing texi2html.
12284 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
12286 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
12287 introduced in previous delta.
12289 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12291 * reload1.c (gen_reload): When synthesizing a 3 operand add
12292 sequence, improve test for when to reload OP1 into the reload
12293 register instead of OP0.
12295 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
12297 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
12299 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
12301 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
12304 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
12306 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
12307 (va_dcl): Use __builtin_va_alist_t.
12309 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
12311 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
12312 on the permanent_obstack.
12313 * dwarfout.c (output_type): Likewise.
12315 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
12317 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
12318 Merged from c-typeck.c and cp/typeck.c.
12319 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
12320 Merged into c-common.
12322 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
12324 * c-lex.c (errorcount): Declare it.
12325 (finish_parse): Update errorcount when using CPPLIB.
12327 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
12329 * fixinc/inclhack.def(end_else_label): Double the backslash so
12330 sed gets a chance to see it.
12331 * fixinc/inclhack.sh: regen
12332 * fixinc/fixincl.x: regen
12334 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
12336 Add framework to support armv5 architecture when it becomes
12339 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
12340 (arm_arch5): New variable.
12341 (all_architectures): Add armv5 line.
12342 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
12343 -march=armv5 is specified on the command line.
12344 (arm_arch5): Export this variable.
12345 * invoke.texi: Document new string accepted by -march= switch for
12348 * config/arm/arm.h: Replace use of constant 12 as a register
12349 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
12350 * config/arm/arm.c: Replace use of constant 12 as a register
12351 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
12353 * config/arm/elf.h: Tidy up.
12354 * config/arm/coff.h: Tidy up.
12356 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
12358 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
12359 * gcc/config/mips/t-iris6gld: New file.
12360 * gcc/config/mips/iris6gld.h: Likewise.
12362 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
12364 * c-decl.c (widest_integer_literal_type_node,
12365 widest_unsigned_literal_type) : New.
12366 (init_decl_processing): Handle/use the two new types.
12367 * c-common.c (type_for_size,type_for_mode) : Same.
12368 * c-lex.c (yylex) : Same.
12369 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
12371 * c-tree.h (widest_integer_literal_type_node,
12372 widest_unsigned_literal_type) : New.
12374 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
12376 * dwarfout.c (field_byte_offset): Correctly compute the object's
12377 byte offset for the first bit of a field which crosses an alignment
12378 boundary on a !BYTES_BIG_ENDIAN target.
12380 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
12382 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
12385 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
12386 Jeff Law <law@cygnus.com>
12388 * ginclude/varargs.h (va_dcl): Use word_mode for type of
12391 * except.c: Include intl.h.
12392 (expand_eh_return): Set current_function_cannot_inline.
12393 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
12394 * function.h (struct function): Add eh_return_stub_label.
12395 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
12396 * Makefile.in (except.o): Depend on intl.h.
12398 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
12400 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
12401 same as offsettable in cases 1 and 2.
12403 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
12405 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
12406 (extlh, extwh): Likewise.
12408 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
12410 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
12412 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
12414 * configure.in: Add arm-pe and thumb-pe targets.
12415 * configure: Regenerate.
12417 * thumb.c (arm_naked_function_p): New function: Determines if
12418 a function is naked (has no gcc generated prologue/epilogue).
12419 (is_called_in_ARM_mode): Return true if the func has the
12420 interfacearm attribute.
12421 (output_return): Do not generate a return for naked functions.
12422 (thumb_function_prologue): Do not generate a prologue for
12424 (thumb_expand_prologue): Do not generate a prologue for naked
12426 (thumb_expand_epilogue): Do not generate an epilogue for naked
12428 (arm_valid_machine_decl_attribute): New function, copied from
12429 arm.c: Permit naked and interfacearm attributes.
12431 * config/arm/pe.c: New file: Support code for arm-pe target.
12432 * config/arm/pe.h: New file: Header file for arm-pe target.
12433 * config/arm/tpe.h: New file: Header file for thumb-pe target.
12434 * config/arm/t-thumb-pe: New file: Makefile fragment for
12437 1999-07-01 Mark Kettenis <kettenis@gnu.org>
12439 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
12440 -fPIC or -fpic is specified.
12442 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
12444 * expr.c (emit_block_move): Use copy_to_mode_reg for
12445 !TARGET_MEM_FUNCTIONS case too.
12447 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
12449 * configure: Rebuilt.
12450 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
12451 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
12452 definitions made redundant by dbxelf.h inclusion. Delete
12453 lots of definitions related to assembly output that are
12454 specific to the SOM object format.
12455 * pa.c (output_function_prologue): Do not emit the function's
12457 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
12458 * pa-pro.h: Deleted.
12459 * som.h: New file with SOM specific definitions.
12460 * elf.h: New file with ELF specific definitions.
12462 * elfos.h (const_section): Output a tab before assembler directives.
12463 (ctors_section, dtors_section): Likewise.
12464 (ASM_OUTPUT_SECTION_NAME): Likewise.
12466 * pa/pa1.h: Delete unused file.
12468 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
12470 * configure.in (hppa*-hp-hpux11*): New configuration.
12471 * configure: Rebuilt.
12472 * pa/pa-hpux11.h: New file.
12473 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
12476 * mips.md (leasi, leadi): New patterns.
12478 * expr.c (emit_block_move): Properly handle case where one of the
12479 block move arguments has a queued increment or decrement.
12480 (clear_storage): Similarly. Fix formatting goof.
12482 1999-06-28 "David O'Brien" <obrien@NUXI.com>
12484 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
12485 semicolon from the BSD VA_LIST replacement expression.
12487 * fixinc/inclhack.sh: regen
12488 * fixinc/fixincl.x: regen
12490 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
12491 now use the fixincl program.
12493 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
12495 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
12496 case. Also make the PIC register call_used.
12498 * m68k.h (FINALIZE_PIC): Delete.
12499 * m68k.c (finalize_pic): Delete.
12501 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
12503 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
12506 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
12508 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
12510 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
12512 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
12514 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
12516 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
12518 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
12520 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
12522 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
12524 * rs6000.c (output_toc): Always use hex values for floating-point
12525 constants. Store single-precision values in upper-half of TOC
12526 entry in 64-bit mode.
12527 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
12528 to final constraints.
12529 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
12530 (fctiwz): Improve accuracy of RTL for pattern.
12532 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
12534 * expr.c (expand_expr): Allow RTL_EXPR's through the
12535 MAX_INTEGER_COMPUTATION_MODE checks.
12537 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
12539 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
12540 such that MASK_SUPPORT_ARCH is not negative.
12542 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
12544 * loop.c (verify_dominator): Properly handle ADDR_VEC and
12545 ADDR_DIFF_VEC insns that appear inside loops.
12547 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
12548 Jeff Law <law@cygnus.com>
12550 * rs6000.md (movdf_hardfloat32): Revert previous patch.
12551 Handle LO_SUM the same as offsettable in cases 1 and 2.
12552 * rs6000.c (find_addr_reg): Revert previous patch.
12554 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
12556 * system.h (strstr): New external function declaration.
12557 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
12558 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
12559 * config.in, configure: Rebuilt.
12561 1999-06-24 Tom Tromey <tromey@cygnus.com>
12563 * gcc.c (main): Read user-specified specs files after computing
12564 additional startfile_prefixes.
12566 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
12568 Revert these two patches:
12570 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12571 * loop.c (strength_reduce): When doing biv->giv conversion, update
12572 reg note of NEXT->insn.
12574 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12575 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
12577 (recombine_givs): Set ix field after sorting.
12579 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12581 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
12582 for the parts of an UNSPEC / UNSPEC_VOLATILE.
12584 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
12586 *fixinc/inclhack.def: Add fix development commentary
12587 (read_ret_type): reactivate and add selection clause
12588 (zzz_*): tweak output file name to match what is used in hackshell.tpl
12589 *fixinc/{fixincl.x|inclhack.sh}: regen
12591 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
12593 * expr.c (expand_expr): STRIP_NOPS before checking against
12594 MAX_INTEGER_COMPUTATION_MODE
12595 (check_max_integer_computation_mode): Likewise.
12597 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
12599 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
12601 1999-06-22 Jim Wilson <wilson@cygnus.com>
12603 * expr.c (store_expr): When target is a promoted subreg, return a
12604 promoted subreg as a result.
12606 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
12608 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
12610 (dwarf2out_define): Mark unused parameters appropriately.
12611 (gen_unspecified_parameters_die): Ditto.
12612 (gen_subprogram_die): Fix signed/unsigned warnings.
12613 (gen_variable_die): Ditto.
12615 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
12617 * fixinc/inclhack.def(end_else_label): combined else_label
12618 and endif_label and fixed the sed expression.
12619 *fixinc/{fixincl.x|inclhack.sh}: regen
12621 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
12623 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
12624 'x' when handling non-offsettable addresses
12626 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
12628 * final.c (shorten_branches): Don't try to split an insn that has
12631 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
12633 * config/mips/mips.c (symbolic_expression_p): New function.
12634 (mips_select_rtx_section): Put symbolic expressions in the
12635 data section, not the read-only data section.
12637 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
12639 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
12641 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
12643 * collect2.c (main): Log frame table count.
12644 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
12645 (scan_prog_file) [COFF]: Handle frame tables.
12647 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
12648 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
12649 * alpha/elf.h: Undef them again.
12650 * alpha/vms.h: Remove their definitions.
12652 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12654 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
12655 remove the clobber of r0 and change the REG_UNUSED note to
12658 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
12660 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
12661 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
12662 fits in HOST_WIDE_INT and one uses union to access a long constant
12665 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
12667 * sparc.c (sparc_override_options): Don't allow profiling for
12668 code models other than medlow.
12669 (sparc_function_profiler): New function from old FUNCTION_PROFILER
12670 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
12671 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
12672 (sparc_block_profiler): Likewise.
12673 (sparc_function_block_profiler_exit): Likewise.
12674 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
12675 (FUNCTION_BLOCK_PROFILER): Likewise.
12676 (BLOCK_PROFILER): Likewise.
12677 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
12678 (MCOUNT_FUNCTION): New.
12679 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
12680 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
12681 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
12682 (MCOUNT_FUNCTION): New.
12683 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
12684 (BLOCK_PROFILER): Delete.
12685 (MCOUNT_FUNCTION): New.
12687 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
12689 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
12691 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12693 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12696 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12699 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12702 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12705 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
12707 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
12710 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
12712 * i386/djgpp.h (LIB_SPEC): New.
12713 (STARTFILE_SPEC): New.
12715 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
12717 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
12719 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
12722 * system.h (WSTOPSIG): New macro.
12724 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
12726 * c-pragma.c (push_alignment): Don't ignore alignments greater than
12728 (insert_pack_attributes): Take into account member natural
12731 * i386/winnt.c (exports_head): New static variable.
12732 (i386_pe_record_exported_symbol): New function.
12733 (i386_pe_asm_file_end): Use.
12734 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
12735 symbols to be emitted at end of assembly.
12736 (ASM_DECLARE_OBJECT_NAME): Likewise.
12737 (ASM_DECLARE_FUNCTION_NAME): Likewise.
12739 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
12742 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
12744 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
12747 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
12749 * haifa-sched.c (sched_analyze_1): Use free_list instead of
12750 zapping reg_last_uses directly.
12751 (sched_analyze_2, sched_analyze_insn): Likewise.
12752 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
12754 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
12756 * rs6000.md (movdf_hardfloat32): Use worst case insn length
12757 attributes for cases 1 and 2.
12759 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
12761 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
12764 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
12766 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
12768 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
12770 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
12771 PIC_OFFSET_TABLE_REGNUM for general alloaction.
12772 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
12773 must be stacked if it is used for PIC accesses.
12774 * arm.c (use_return_insn): Handle PIC register specially.
12775 (output_return_instruction): Likewise.
12776 (output_func_{prologue,epilogue}): Likewise.
12777 (output_expand_prologue): Likewise.
12779 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
12780 (*strsi_predec): Renamed from *strqi_predec.
12781 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
12782 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
12784 * arm.c (arm_override_options): Remove warning about PIC code
12785 not being supported.
12787 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
12789 * rs6000.c (find_addr_reg): New function.
12790 * rs6000.h (find_addr_reg): Declare.
12791 (offsettable_addr_operand): Delete.
12792 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
12793 from and stores to GPRs.
12795 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
12797 * alpha.c (alpha_expand_block_move): Use get_insns rather than
12798 gen_sequence as argument to emit_no_conflict_block.
12800 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12802 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
12803 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
12804 *fixinc/fixincl.x: regen
12805 *fixinc/inclhack.sh: regen
12807 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
12809 * added support for -mpcrel (PC relative addressing for m68k)
12810 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
12811 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
12812 * m68k.c (print_operand_address): Handle 32-bit PIC case.
12813 (comments for general_src_operand): Add some explanation
12814 about EXTRA_CONSTRAINTS.
12815 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
12816 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
12817 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
12818 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
12819 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
12820 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
12821 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
12822 if not already set.
12823 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
12824 * m68k.h (TARGET_PCREL): New target flag.
12825 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
12826 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
12827 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
12828 contains a SYMBOL_REF. Relax this constraint during reload, since
12829 we want to use the predicates, not reload's built-in concept of a
12830 valid memory address, to control what insns need reloading.
12831 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
12832 operands (essentially 'g', 'm', and 's' under normal circumstances).
12833 * m68k.c (print_operand): Cause printing of pc-relative addresses
12834 to include pc register.
12835 (print_operand_address): Ditto.
12836 (general_src_operand): Accept operands that are not only
12837 general_operands, but are also valid when used as a pc-relative
12839 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
12840 (memory_src_operand): Similar, for memory_operands.
12841 (pcrel_address): New predicate to accept the special case of a
12842 pc-relative address.
12843 * m68k.md (many patterns): Rewrite common SImode, HImode, and
12844 QImode insns to accept *_src_operand instead of *_operand where
12845 pc-relative operands can fit. For example, a pc-relative operand
12846 can be used as a memory source operand for addsi3, but not as a
12847 memory destination.
12848 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
12850 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
12852 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
12853 .thumb_set pseudo op to mark aliases of thumb functions.
12855 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
12857 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
12858 preference to ASM_OUTPUT_DEF, if it is defined.
12860 * tm.texi: Document new, optional target macro
12861 ASM_OUTPUT_DEF_FROM_DECLS.
12863 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12865 * fixincludes: ISCNTL patch
12866 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
12867 (dgux_int_varargs): new for DG/UX
12868 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
12870 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
12872 * invoke.texi (ia32 options): Fix typo.
12874 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12876 * loop.c (strength_reduce): When doing biv->giv conversion, update
12877 reg note of NEXT->insn.
12879 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
12881 * loop.c (move_movables): Note issues with replacing REGs with
12883 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
12885 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
12887 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
12889 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
12890 the reference to `mcount' was not correct for the ELF on FreeBSD.
12892 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12894 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
12897 (recombine_givs): Set ix field after sorting.
12899 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
12901 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
12902 to safe to extract a subword out of a REG.
12904 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12906 * sh.md (mulsi3): Don't add a no-op move at the end.
12908 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12910 * cse.c (cse_insn): Don't put hard register source into tables for
12911 the last insn of a libcall.
12913 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12915 * loop.c (strength_reduce): Insert sets of derived givs at every
12916 biv increment, even if it's the only one.
12918 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
12920 * dwarfout.c (add_incomplete_type): New fn.
12921 (output_type): Call it.
12922 (retry_incomplete_types): New fn.
12923 (dwarfout_finish): Call it.
12925 From Eric Raskin <ehr@listworks.com>:
12926 (output_type): Output types for bases.
12928 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12930 * mips.c (mips_output_conditional_branch): Add `break'
12931 between `default' label and `close braces'.
12933 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
12935 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
12936 specifications and make it realistic.
12937 (LIB_SPEC): Likewise.
12939 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
12941 * config/mips/mips.c (mips_secondary_reload_class): Check for
12942 (PLUS (SP) (REG)) and return appropriate register class.
12943 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
12944 Handle (PLUS (SP) (REG)).
12945 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
12946 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
12947 of emit_insn for tablejump.
12949 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
12951 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
12952 asm_fprintf format string by itself.
12953 (output_function_profiler): Likewise.
12955 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
12957 * combine.c (simplify_logical, case AND): Only call
12958 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
12959 or the constant is positive.
12961 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
12963 * configure.in: Fix typo in rs6000-ibm-aix4 case.
12964 * configure: Regenerate.
12966 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
12968 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
12969 require a sub-version #.
12970 * configure: Rebuilt.
12972 1999-06-14 Robert Lipe (robertlipe@usa.net)
12974 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
12976 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
12978 * c-typeck.c (process_init_element): Detect excess elements in
12979 char array initializer.
12981 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
12983 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
12985 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
12987 * invoke.texi (Option Summary): Add -fpermissive flag.
12989 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
12991 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
12992 that require PIC code sequences.
12994 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
12996 * configure.in: Add new target: thumb-elf.
12997 * configure: Regenerate.
12998 * config/arm/t-thumb-elf: New file: Makefile fragment for
13000 * config/arm/telf.h: New file: Header file for thumb-elf
13003 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
13005 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
13006 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
13007 initializers is some circumstances.
13009 * fixinc/inclhack.def (endif_label): Add additional selector for
13010 more bogus stuff after #endif statements.
13011 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
13013 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
13015 * i386/cygwin.h (SET_ASM_OP): Define.
13017 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
13019 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
13021 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13023 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
13026 * sh.md (ic_invalidate_line_i): Remove second alternative.
13028 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13030 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
13031 test for the presence of valid prototypes. Delete bypass expr.
13032 (ioctl_fix_ctrl): Correct the selection expression.
13033 (no_double_slash): Correct quoting rules
13034 *fixinc/fixincl.x: regen
13035 *fixinc/inclhack.sh: regen
13037 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
13039 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
13041 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13043 * rs6000.md (movsi_got_internal_mem): Delete.
13044 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
13045 (GOT_TOC_REGNUM): Delete.
13046 (PIC_OFFSET_TABLE_REGNUM): Define.
13047 (FINALIZE_PIC): Disable.
13048 * rs6000.c (rs6000_got_register): New code for fixed pic register.
13049 (rs6000_replace_regno): Delete.
13050 (rs6000_finalize_pic): Likewise.
13051 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
13053 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13055 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
13056 is a note; use <= for the compare; advance P while it is
13059 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
13061 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
13062 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
13064 * varasm.c (remove_from_pending_weak_list): Verify t->name
13065 is non-NULL before passing it to strcmp.
13067 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13069 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
13070 the typed arguments are not part of a comment
13071 (ioctl_fix_ctrl): Added a purpose comment
13072 *fixinc/fixincl.x: regenerate
13073 *fixinc/inclhack.sh: regenerate
13075 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13077 * invoke.texi: Add C4x invocation docs.
13079 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13081 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
13083 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
13085 (c4x_legitimize_reload_address): New function.
13086 * config/c4x/c4x.md: Update docs.
13088 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
13090 * fixincludes: Avoid removing '.'.
13091 * fixinc/fixinc.svr4: Likewise.
13092 * fixinc/fixinc.winnt: Likewise.
13093 * fixinc/inclhack.tpl: Likewise.
13094 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
13096 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13098 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
13100 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
13102 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
13104 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
13107 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
13109 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
13110 * configure: Regenerate.
13112 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
13114 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
13117 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
13119 * fixinc/inclhack.def (avoid_bool): Also catch
13120 "typedef [unsigned] int bool".
13121 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
13123 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
13124 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
13125 * configure: Rebuilt.
13127 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
13129 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
13130 such that we can override its definitions if necessary.
13131 (CPP_SPEC): New define. Support processor specific predefines via
13133 (CC1_SPEC): New define. Support processor specific compiler
13134 options via %(cc1_cpu).
13135 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
13138 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13140 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
13141 between sed's -e flag, and the open-quote following it.
13142 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
13144 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
13145 Jeffrey A Law (law@cygnus.com)
13147 * varasm.c (assemble_start_function): Remove the function
13148 from the pending weak decls list when we define a function.
13149 (assemble_variable): Similarly for variables.
13150 (weak_finish): Ignore items on the list with a NULL name.
13151 (remove_from_ending_weak_list); New function to "remove" an item
13152 from the pending weak declarations list.
13154 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
13156 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
13158 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
13160 * c-lex.c (GETC): Redefine to call getch.
13161 (UNGETC): Redefine to call put_back.
13162 (putback_buffer): New structure type.
13163 (putback): New static structure.
13164 (getch): New function.
13165 (put_back): New function.
13166 (yylex): Replace unused bytes from bad multibyte character.
13168 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
13170 * cpplib.c (do_define): Cast `alloca' return value.
13171 (do_include, do_undef, do_pragma): Likewise.
13172 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
13174 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
13175 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
13177 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
13179 * sparc.md (abstf2): This should be an expand.
13180 (split after abstf2_notv9): Fix mode.
13181 (abstf2_hq_v9): New pattern.
13182 (abstf2_v9): Only use when no hard quad.
13183 (absdf2_v9): Fix if target is not the same as source.
13184 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
13185 Add correct output constraints.
13187 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
13189 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
13190 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
13192 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
13194 * mips.h (mips_output_conditional_branch): New function.
13195 (mips_adjust_insn_length): Likewise.
13196 (ASSEMBLER_SCRATCH_REGNUM): New macro.
13197 (ADJUST_INSN_LENGTH): Likewise.
13198 * mips.c (print_operand): Add `F' and `W' for floating-point
13199 comparison opcodes.
13200 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
13202 (mips_adjust_insn_length): New function.
13203 (mips_output_conditional_branch): New function.
13204 * mips.md (length): Adjust attribute definition to handle
13205 conditional branches. Change lengths to bytes, rather than
13206 instructions throughout. Remove length attribute from
13207 instructions whose length is four bytes, and rely on the default
13209 (dslot): Fix typo in comment.
13210 Reword conditional branch patterns to use
13211 mips_output_conditional_branch.
13213 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13215 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
13216 (LIB_SPEC): Likewise.
13217 Link with -lprof1_r for -g/-pg.
13219 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
13221 * loop.c (check_dbra_loop): Fix change of Jan 19.
13223 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
13225 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
13226 (STARTFILE_SPEC): Define, override the svr4.h version.
13227 (ENDFILE_SPEC): Likewise.
13229 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
13231 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
13232 * fixinc/fixincl.x: Regenerated.
13233 * fixinc/inclhack.sh: Regenerated.
13235 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13237 * sh.c (barrier_align): Don't return early for normal branch/barrier
13238 when optimizing for SH2.
13240 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
13242 * i386/udk.h (LINK_SPEC): Correct linker search path for
13245 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13247 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
13248 (braf_label_ref_operand): Delete.
13249 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
13250 * sh.md (casesi_jump_2): Operand1 is now the inside of a
13251 label_ref, and has no predicate.
13252 The patten has a predicate to guard against invalid substitutions.
13253 (dummy_jump): Delete.
13254 (casesi): Update use of casesi_jump_2.
13256 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13258 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
13259 *fixinc/fixincl.x: regenerate
13260 *fixinc/inclhack.sh: regenerate
13262 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
13264 * dwarf2out.c (add_incomplete_type): New fn.
13265 (gen_struct_or_union_type_die): Call it.
13266 (retry_incomplete_types): New fn.
13267 (dwarf2out_finish): Call it.
13269 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
13271 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
13272 current block starts with a CODE_LABEL and ends with a CALL and
13273 we can not find all the argument setup instructions for the CALL.
13275 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
13277 Revert this change:
13278 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
13279 something is a candidate for optimize_bit_field_compare.
13281 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13283 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
13285 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
13287 * alpha.c (override_options): Thinko in last patch.
13289 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
13290 (LIB_SPEC): Recognize -pthread.
13292 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
13294 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
13295 definition in config/arm/coff.h
13296 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
13298 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13300 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
13301 fixes that need "file=xxx\n" prepended before invocation
13302 (start_fixer - new): starting the fixer process is complex enough
13303 to warrent its own routine. It prepends the "file=xxx\n" stuff.
13304 (process): uses the new routine; omit usage of putenv()
13305 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
13306 * fixinc/fixincl.x: regenerate
13308 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
13310 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
13311 and version #s (1.1 -> 2.96) as needed.
13312 * README.g77: Kill way out of date file in the toplevel directory.
13314 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
13316 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
13317 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
13318 * configure: Rebuilt.
13319 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
13320 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
13321 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
13322 (SWITCH_TAKES_ARG): Likewise.
13323 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
13324 * config/t-freebsd: Moved from config/i386/ so it can used for all
13327 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
13329 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
13331 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
13333 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
13334 * configure: Rebuilt.
13336 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
13338 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
13339 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
13340 * rs6000/rs6000.c (rs6000_file_start): Use putc.
13341 (rs6000_output_load_toc_table): Same.
13342 (output_prolog, output_mi_thunk): Same.
13343 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
13344 (ASM_GLOBALIZE_LABEL): Use putc.
13346 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
13348 * alpha.md (reload_*_help): New patterns and splitters.
13349 (reload_*): Use them.
13350 (mov[qh]i): Likewise.
13352 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
13354 * cccp.c (handle_directive): Handle backslash-newlines in quoted
13357 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
13359 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
13361 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
13363 * flow.c (mark_regs_live_at_end, insn_dead_p,
13364 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
13365 and HARD_FRAME_POINTER_REGNUM special treatment if reload
13366 hasn't run or the frame pointer is needed.
13367 * haifa-sched.c (attach_deaths): Likewise.
13368 * sched.c (attach_deaths): Likewise.
13370 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
13372 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
13373 calculate_can_reach_end returns nonzero.
13375 * configure.in (native gas tests): Search for an assembler in the
13376 same manner that the installed compiler will.
13377 * configure: Rebuilt.
13378 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
13380 * alias.c (find_base_term): Improve handling of addresses
13381 constructed from binary operations.
13383 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
13385 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
13387 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
13389 * function.h (cleanup_label, frame_offset): Declare.
13390 (tail_recursion_label, tail_recursion_reentry): Likewise.
13391 (arg_pointer_save_area, rtl_expr_chain): Likewise.
13392 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
13393 (tail_recursion_label, tail_recursion_reentry): Likewise.
13394 (arg_pointer_save_area, rtl_expr_chain): Likewise.
13396 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
13398 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
13400 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
13401 (MAX_OFILE_ALIGNMENT): Define.
13403 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
13405 * fixincl.c: Replace local include scheme with #includes of
13406 gansidecl.h and system.h.
13407 * procopen.c: Likewise.
13408 * server.c: Likewise.
13410 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
13412 * i386/t-dgux (EXTRA_PARTS): Add crti.o
13413 (crti.o): Add build rule and dependencies.
13414 * fixinc/fixinc.dgux: Use modified _int_varargs.h
13416 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13418 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
13419 (LIB_LINUX_SPEC): Likewise.
13420 (LIB_LINUX_SPEC): Add support for -pthread
13421 (CPP_OS_LINUX_SPEC): Likewise.
13422 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
13425 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
13427 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
13429 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
13430 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
13431 for IEEE math and CC_FCOMI.
13432 (put_jump_code): No IEEE if CC_FCOMI is set.
13434 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
13436 * fold-const.c (fold_truthop): Make the field reference unsigned
13437 when converting a single bit compare.
13439 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13441 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
13443 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
13445 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
13446 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
13449 * reload.c (push_reload): Do not call remove_address_replacements
13450 when presented with identical optional reloads.
13452 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
13454 * alpha.h (MASK_FIX, TARGET_FIX): New.
13455 (MASK_*): Reorganize constants.
13456 (CPP_AM_FIX_SPEC): New.
13457 (TARGET_SWITCHES): Add FIX.
13458 (EXTRA_SPECS): Likewise.
13459 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
13460 (SECONDARY_MEMORY_NEEDED): Likewise.
13461 (REGISTER_MOVE_COST): Likewise.
13462 * alpha.c (override_options): Add FIX support. Always use
13463 ALPHA_TP_PROG for ev6.
13464 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
13465 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
13466 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
13468 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
13470 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
13471 something is a candidate for optimize_bit_field_compare.
13473 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
13475 * gcc.texi (Passes): Document branch-shortening.
13476 * invoke.texi (Debugging Options): Document the fact that `-dp'
13477 outputs length information for instructions.
13479 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
13481 * flow.c: Revert previous delta.
13483 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
13485 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
13486 FRAME_POINTER_REGNUM.
13487 (mark_set_1): Ditto.
13488 (mark_used_regs): Ditto.
13490 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
13492 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
13493 (GOT_PCREL): New macro. Define to 1 if not already defined.
13494 * arm/elf.h (GOT_PCREL): Define to 0.
13495 * arm.c (arm_finalize_pic): Take into account the setting of
13498 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
13500 * output.h (STRIP_NAME_ENCODING): Provide default definition.
13501 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
13503 * flow.c (mark_set_1): Do not record BLKmode stores as dead
13504 store elimination candidates.
13506 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
13508 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
13511 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
13513 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
13514 Add use of x-aix41-gld.
13516 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
13518 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
13519 (ASM_OUTPUT_DESTRUCTOR): Define.
13521 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
13523 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
13524 last CODE_LABEL in a loop if we have previously passed a jump
13525 to the top of the loop.
13527 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
13529 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
13530 applying Philip's patch.
13532 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
13534 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
13537 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
13539 * loop.c (strength_reduce): Grow reg_single_usage as needed.
13541 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
13543 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
13544 Also remove a useless comment.
13546 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
13548 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
13550 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
13552 * collect2.c (main): Only generate import or export file and add
13553 to link arguments if non-empty. Use xmalloc not alloca.
13554 (write_{export,import}_file): Delete.
13555 (write_aix_file): New function.
13556 (locatelib): Use xmalloc not malloc.
13557 (GCC_OK_SYMBOL): Do not check type if aix64.
13559 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
13561 Based on patch by Scott Bambrough and Pat Beirne:
13562 * config/arm/arm.c (making_const_table): New variable.
13563 * config/arm/arm.h (making_const_table): Declare.
13564 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
13566 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
13567 Keep track of when we are building the constant table.
13569 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
13571 * config/arm/arm.c (arm_override_options): Fix erroneous warning
13574 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
13576 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
13579 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
13581 * tm.texi (FUNCTION_ARG): Correct description of a stack element
13584 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
13586 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
13588 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13590 * rs6000.c (output_mi_thunk): Enable full support again.
13592 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13594 * sh.h (BRANCH_COST): Define.
13596 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
13598 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
13600 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
13602 * function.c (assign_stack_local): Align stack slot propertly.
13603 (assign_outer_stack_local): Likewise.
13605 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
13607 * expr.h (lang_expand_constant): Declare.
13608 * toplev.c (lang_expand_constant): Define it.
13609 * varasm.c (output_constant): Use it.
13611 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13613 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
13614 Change function definitions to K&R style.
13616 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13618 * fixinc/fixincl.c: We must not ignore SIGCLD now.
13620 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
13622 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
13623 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
13624 (several places): omit static initialization
13625 (process): use single fd, since only the read fd is used
13626 * fixinc/gnu-regex.c: define 'const' away, if not supported
13627 * fixinc/procopen.c(several places): omit static initialization
13628 * fixinc/server.c: define 'volitile' away, if not supported
13630 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
13632 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
13633 asm_fprintf and %L to generate the label name.
13634 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
13635 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
13637 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
13639 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
13640 insn for a conditional jump can not be found.
13642 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
13644 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
13645 on variables in specific sections other than .sbss and .sdata.
13647 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
13649 * stmt.c (expand_return): Call start_cleanup_deferral and
13650 end_cleanup_deferral around conditional code.
13652 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13654 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
13655 filename lists. Utilizes new "krstr" AutoGen function.
13656 * fixinc/fixincl.x: Rebuilt.
13658 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
13660 * i386.c (output_float_compare): Avoid GNU-C extensions.
13662 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
13664 * version.c: Bump to distinguish mainline tree from the
13667 See ChangeLog.1 for earlier changes.