1 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
3 * flow.c (redirect_edge_and_branch_force): Test
4 target->global_live_at_start.
6 2001-07-26 Richard Henderson <rth@redhat.com>
8 * simplify-rtx.c (avoid_constant_pool_reference): Export.
9 * rtl.h (avoid_constant_pool_reference): Declare it.
10 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
11 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
13 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
15 * rtl.h (cleanup_barriers): Declare.
16 * jump.c (cleanup_barriers): New function.
17 * toplev.c (rest_of_compilation): Call cleanup_barriers
18 before loop optimizer and after bb_reorder.
20 * flow.c (back_edge_of_syntactic_loop_p): New.
23 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
27 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
29 * cse.c (cse_process_notes): Replace any registers if the address
32 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
34 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
35 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
36 (propagate_block): Update prototype.
37 * flow.c (update_life_info): Simplify the CFG and
38 recalculate the global regs which are alive when
39 removing dead code during a global update.
40 (propagate_block): Return non-zero if an INSN is
43 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
45 * Makefile.in (LIBICONV): Define.
47 2001-07-26 Catherine Moore <clm@redhat.com>
49 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
50 of conditional to avoid tree checking errors.
52 2001-07-26 Kazu Hirata <kazu@hxi.com>
54 * regmove.c (regmove_optimize): Don't replace a reg with
55 another reg of a different mode.
57 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
59 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
60 limit length of dependancy flush list.
61 * params.h (MAX_PENDING_LIST_LENGTH): Define.
62 * sched-int.h (struct deps): Add pending_flush_length field.
63 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
65 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
66 (sched_analyze): After a jump, if the pending memory flush list is too
67 large, flush the pending lists.
68 (init_deps): Initialize pending_flush_length to 0.
69 * doc/invoke.texi (max_pending_list_length): Document parameter.
71 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
73 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
74 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
75 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
77 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
79 * cpphash.h (struct_lexer_state): Delete was_skipping.
80 Move skipping here from struct cpp_reader.
81 * cpplex.c (parse_identifier): Update.
82 (_cpp_lex_token): Don't skip tokens in a directive.
83 * cpplib.c (struct if_stack): Update.
84 (start_directive, end_directive): Don't change skipping state.
85 (_cpp_handle_directive): Update.
86 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
87 (do_else, do_endif): Update; only check for excess tokens if not
88 in a skipped conditional block.
89 (push_conditional): Update for new struct if_stack.
91 2001-07-26 Graham Stott <grahams@redhat.com>
93 * function.c (locate_and_pad_parm): Also pad initial offset
94 so that the total argument size also includes the padding.
96 2001-07-26 Graham Stott <grahams@redhat.com>
98 * gensupport.c (alter_output_for_insn): Correct enable checking failure
101 (process_one_cond_exec): Likewise
103 2001-07-25 Richard Henderson <rth@redhat.com>
105 * varasm.c (assemble_variable): Create DECL_RTL before setting
108 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
110 * predict.c (estimate_probability): Avoid duplicated predictions.
112 * loop.c (find_and_verify_loops): Grok multiple barriers.
114 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
116 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
118 * dbxout.c: Consistently use putc instead of fputc.
119 (print_wide_int): New function; call instead of direct fprintf.
120 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
121 (dbxout_type_fields, dbxout_type_method_1): Likewise.
122 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
123 (print_int_cst_octal): Likewise.
124 (print_octal): Show we wrote characters.
125 (dbxout_type): Set have_used_extensions in more places.
127 2001-07-25 Catherine Moore <clm@redhat.com>
129 * config/v850/v850.c (v850_va_arg): Use addr
130 instead of valist to build incr.
132 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
134 * flow.c (delete_dead_jumptables): New function.
135 (life_analyzis): Call it.
136 * bb-reorder.c (skip_insns_after_block): Handle contradictory
139 2001-07-25 Richard Henderson <rth@redhat.com>
141 * except.c (reachable_handlers): Handle a region being removed
142 out from under a RESX.
144 2001-07-25 Richard Henderson <rth@redhat.com>
146 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
147 swap GE/GT if it is an fp comparison.
149 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
151 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
154 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
156 * ssa.c (rename_insn_1): Do not wrap an assignment to a
157 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
160 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
162 (visit_expression): When attempting to simplify an expression,
163 retrieve any modes for arguments before they are simplified
166 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
167 Janis Johnson <janis@us.ibm.com>
169 * stmt.c (expand_goto): A nonlocal goto can be a call too.
170 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
171 pointer parameters to match documented usage of nonlocal_goto.
172 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
173 parameters to their correct order.
174 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
175 parameters to their correct order.
177 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
179 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
181 2001-07-25 Jan Hubicka <jh@suse.cz>
182 Richard Henderson <rth@redhat.com>
184 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
186 (make_edges): New argument update_p; populate the edge cache if set.
187 (find_basic_blocks): Update make_edges invocation.
189 2001-07-24 Joel Sherrill <joel@OARcorp.com>
191 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
193 2001-07-24 Joel Sherrill <joel@OARcorp.com>
195 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
196 -Acpu and -Amachine.h.
197 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
198 Corrected header to say ELF not a.out.
199 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
200 when given -msoft-float.
202 2001-07-24 Joel Sherrill <joel@OARcorp.com>
204 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
205 extra multilib parts like arm-elf.
206 (i960-*-coff*, i960-*-rtems): Should not use collect2.
207 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
208 crtfini.o as extra multilib parts.
210 2001-07-24 Joel Sherrill <joel@OARcorp.com>
212 * configure.in: Add rtems as a supported thread model.
213 * gthr-rtems.h: Add missing entry point __gthread_active_p.
214 * configure: Rebuilt.
216 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
218 * stor-layout.c (get_mode_alignment): make it work when
219 BITS_PER_UNIT is not a power of two.
220 * builtins.c (get_pointer_alignment): Likewise.
222 2001-07-24 Richard Henderson <rth@redhat.com>
224 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
225 the retrieved constant into the expected mode.
227 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
229 * flow.c (try_simplify_condjump): Avoid duplicated edges.
230 (verify_flow_info): Check for duplicated edges; clarify
233 * flow.c (block_label): Update basic_block_for_insn.
234 (commit_edge_insertions): Call compute_bb_for_insn.
236 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
239 * flow.c (redirect_edge_and_branch,
240 try_optimize_cfg): Use redirect_edge_succ_nodup
241 (redirect_edge_succ_nodup): New.
242 * basic_block.h (redirect_edge_succ_nodup): Declare.
244 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
247 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
249 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
250 (try_crossjump_to_edge): Update commetns.
251 (try_crossjump_bb): Likewise.
253 2001-07-24 Richard Henderson <rth@redhat.com>
255 * combine.c (distribute_notes): Move set of need_refresh
256 for noop_move_p down to catch all cases.
258 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
260 * recog.c (split_all_insns_noflow): New.
261 * rtl.h (split_all_insns_noflow): Declare.
262 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
263 * m68hc11.c (m68hc11_reorg): Likewise.
264 * sh.c (machine_dependent_reorg): Likewise.
265 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
268 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
270 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
271 (ashlsi3_n splitter): Likewise.
272 (lshrsi3_n splitter): Likewise.
274 (GOTaddr2picreg): Make const SImode.
275 (sym_label2reg): Likewise.
276 (symGOT2reg): Likewise.
277 (symGOTOFF2reg) Likewise.
279 (casesi_worker_0): Make unspec SImode.
281 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
283 * config/sh/sh.c (barrier_align): Check that an operand really is
284 an insn before extracting its INSN_CODE.
286 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
288 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
291 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
292 for SImode to prevent overflow.
294 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
296 * config/mips/irix6-libc-compat.c: New file.
297 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
298 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
301 2001-07-24 lars brinkhoff <lars@nocrew.org>
303 * rtl.texi (REG_POINTER): Document.
304 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
305 QFmode, HFmode, TQFmode, QCmode, and HCmode.
307 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
309 * flow.c (delete_noop_moves): Do not confuse libcall regions.
311 2001-07-23 Richard Henderson <rth@redhat.com>
313 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
315 2001-07-23 Kazu Hirata <kazu@hxi.com>
317 * config/h8300/h8300-protos.h: Add a prototype for
318 general_operand_dst_push.
319 * config/h8300/h8300.c (general_operand_dst_push): New.
320 * config/h8300/h8300.h (OK_FOR_T): New.
321 (EXTRA_CONSTRAINT): Use it.
322 * config/h8300/h8300.md (movqi_push): Remove and integrate into
323 the existing movqi pattern.
324 (movhi_push): Likewise.
326 * reload.c: Fix comment typos.
328 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
330 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
332 2001-07-23 H.J. Lu (hjl@gnu.org)
334 * doc/extend.texi: Update __builtin_return_address and
335 __builtin_frame_address.
337 2001-07-23 Richard Henderson <rth@redhat.com>
339 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
341 * config/i386/i386.md: New setcc+movzbl peephole2.
343 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
345 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
346 * objc/objc-act.c: Include debug.h.
347 (synth_module_prologue): Save and restore debug hooks too.
349 2001-07-23 lars brinkhoff <lars@nocrew.org>
351 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
352 and C4X_FLOAT_FORMAT.
353 (BOOL_TYPE_SIZE): Document.
355 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
357 * unroll.c (loop_iterations): Fix miscalculation of initial
360 2001-07-13 Andrew Haley <aph@redhat.com>
362 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
363 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
364 * config/sh/sh.c (sh_can_redirect_branch): New function.
365 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
366 * reorg.c (steal_delay_list_from_target): Use
367 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
369 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
371 * flow.c (try_simplify_condjump): Unlink insn chain on
372 fallthru edge; use can_fallthru.
374 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
376 * basic-block.h (find_sub_basic_block): Declare.
377 * flow.c (make_edges): New arguments MIN and MAX;
378 (find_sub_basic_blocks): Revamp to use make_edges
379 and purge_dead_edges.
380 (find_basic_blocks): Update call of find_sub_basic_block.
382 * recog.c (split_all_insns): Always expect CFG to be consistent;
383 call find_sub_basic_blocks in case something has changed.
384 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
387 * basic-block.h (delete_noop_moves): Declare.
388 * combine.c (combine_instructions): Call it.
389 (recog_for_combine): Tolerate noop moves
390 (distribute_notes): Force refresh when register dies at noop move.
391 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
393 (life_analysis): Update delete_noop_moves call.
394 (set_noop_p): Move too ...
395 * rtlanal.c (noop_move_p): ... here.
396 * rtl.h (noop_move_p): Declare.
398 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
399 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
401 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
402 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
404 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
406 * reload.c (push_reload): Fix typo in comment.
407 (find_reloads_address): Ditto.
408 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
410 2001-07-22 Richard Henderson <rth@redhat.com>
412 * flow.c: Grammar check and clarify a lot of comments.
413 (try_simplify_condjump): Rename variables to be clearer.
414 (try_forward_edges): Skip complex and fallthru edges.
415 Rearrange tests to avoid duplicate checks.
416 (flow_find_cross_jump): Likewise.
417 (outgoing_edges_match): Allow match if neither branch has
418 probability data. Loosen probability match to 5%.
419 (try_crossjump_to_edge): Hoist repeated indirection into
421 (try_crossjump_bb): Don't check complex edges. Eliminate
422 redundant crossjump tests.
423 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
424 checks before more expensive checks.
426 2001-07-22 Richard Henderson <rth@redhat.com>
428 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
429 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
432 2001-07-22 Richard Henderson <rth@redhat.com>
434 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
435 (const_sint32_operand): Likewise.
436 * m68k.md (anon mulsi pattern): Use const_int_operand not
437 const_sint32_operand.
438 (umulsi3_highpart): Zero extend a constant input.
439 (smulsi3_highpart): Don't bother checking SImode constant.
440 (const_umulsi3_highpart): Give op3 DImode.
441 (const_smulsi3_highpart): Likewise.
443 2001-07-22 Richard Henderson <rth@redhat.com>
445 * flow.c (split_block): Make sure bb_note is included in the
446 new block when splitting before a label.
448 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
450 * basic-block.h (redirect_edge_and_branch_force,
451 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
452 * flow.c (redirect_edge_and_branch_force,
453 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
454 (redirect_edge_and_branch_force): Fix copying of lifeness information.
455 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
456 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
457 instead of label; update CFG after transformation.
458 (find_if_case_1): Update call, use redirect_edge_and_branch_force
459 for finishing the transformation; handle even case where ELSE
460 does not follow THEN.
461 (find_if_case_2): Update call of dead_or_predictable; simplify
464 * emit-rtl.c (split_branch_probability): New global variable.
465 (try_split): Take care to set split_branch_probability and
466 create REG_BR_PROB note for new jump insns.
467 * md.texi (define_split): Document new feature.
469 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
471 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
473 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
474 (asm_out_file): Remove redundant declaration.
475 (assemble_asm): Remove old #if 0 block.
476 (assemble_variable): Remove end of function; debug output is
477 now handled with global_decl. Remove old #if 0 block. Update.
478 Remove saved_in_section and associated no-op code.
479 * Makefile.in (varasm.o): Correct dependencies.
481 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
483 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
484 the definition in defaults.h.
486 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
488 * jump.c: Update comments.
489 (delete_barrier_successors, delete_unreferenced_labels,
490 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
491 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
492 jump_optimize, jump_optimize_minimal): Kill.
493 (rebuild_jump_labels): Move code from jump_optimize_1.
494 (purge_line_number_notes): Likewise.
495 (copy_loop_headers): Likewise.
496 * reg-stack.c: Update comment.
498 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
499 JUMP_AFTER_REGSCAN): Kill.
500 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
501 purge_line_number_notes and copy_loop_headers.
503 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
504 Richard Henderson <rth@redhat.com>
506 * dbxout.c (dbxout_global_decl): New.
507 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
508 * sdbout.c (sdbout_finish): New.
509 (sdbout_debug_hooks): Use it, add comments.
510 (sdbout_global_decl): Defer initialised public vars to
512 * varasm.c (assemble_variable): Don't output debug information
513 for file-scope variables.
515 2001-07-22 Richard Henderson <rth@redhat.com>
517 * config/alpha/alpha.c (get_trap_mode_suffix): New.
518 (get_round_mode_suffix): New.
519 (print_operand): Use them for [/]. Remove support for [&'`()+].
520 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
521 * config/alpha/alpha.md (attr round_suffix): New.
522 (attr trap_suffix): New.
523 (all insns): Set them appropriately. Use %/ instead of the
526 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
528 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
530 2001-07-22 Richard Henderson <rth@redhat.com>
532 * regrename.c (regrename_optimize): Compute nregs for each
533 potential target register.
535 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
536 Richard Henderson <rth@redhat.com>
538 * dbxout.c (dbxout_global_decl): New.
539 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
540 * sdbout.c (sdbout_finish): New.
541 (sdbout_debug_hooks): Use it, add comments.
542 (sdbout_global_decl): Defer initialised public vars to
544 * varasm.c (assemble_variable): Don't output debug information
545 for file-scope variables.
547 2001-07-21 H.J. Lu (hjl@gnu.org)
549 * config/mips/mips.c (mips_cpu): Moved into ...
550 (override_options): Here.
552 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
556 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
558 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
559 ("iorqi3"): Likewise.
560 ("xorqi3"): Likewise.
561 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
562 ("*subhi3_sp): Likewise.
563 ("*subhi3"): Likewise.
564 ("extendhisi2"): Accept D, X and Y as source operand to avoid
567 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
569 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
570 * config/freebsd.h: Likewise.
571 * config/linux.h: Likewise.
572 * config/openbsd.h: Likewise.
573 * config/alpha/linux-elf.h: Likewise.
574 * config/arm/linux-elf.h: Likewise.
575 * config/d30v/d30v.h: Likewise.
576 * config/fr30/fr30.h: Likewise.
577 * config/ia64/aix.h: Likewise.
578 * config/ia64/ia64.h: Likewise.
579 * config/mips/linux.h: Likewise.
580 * config/pj/pj.h: Likewise.
581 * config/rs6000/linux.h: Likewise.
582 * config/sparc/linux.h: Likewise.
583 * config/sparc/linux64.h: Likewise.
585 2001-07-20 Bruce Korb <bkorb@gnu.org>
587 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
588 because getc() and char* may disagree on signedness.
590 2001-07-20 Richard Henderson <rth@redhat.com>
592 * doc/rtl.texi (REG_DEAD): Update for current semantics.
594 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
595 insns to delete in the presence of cc0 in a jump insn.
597 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
598 Jan Hubicka <jh@suse.cz>
600 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
601 of doing the change by hand.
603 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
605 * rtlanal.c (set_noop_p): Return true for noop jumps.
607 * expr.c (emit_single_push_insn): Add call to push expander.
608 * expr.h (optab_index): Add OTI_push
609 (push_optab): New constant.
610 * genopinit.c (optabs): Add push_optab.
611 * optabs.c (init_optab): Init push optab.
612 * md.texi (push??1): Document
614 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
616 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
617 expand to emit the pattern; put a REG_INC note for push/pop
619 ("movdf", "movdf_internal"): Likewise.
620 ("movsi", "movsi_internal"): Likewise.
621 ("movsf", "movsf_internal"): Likewise.
622 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
624 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
626 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
629 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
631 * params.def: Change default max inline insns to 100.
633 2001-07-20 Diego Novillo <dnovillo@redhat.com>
635 * combine.c (combine_simplify_rtx): Generate a new shift operation
636 when simplifying the first operand of a (neg (ashift)) expression.
638 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
640 * regclass.c (N_REG_INTS): Use only 32 bits per element.
642 2001-07-20 Kelley Cook <kelley.cook@home.com>
644 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
645 information. Move rest into ...
646 (*-*-solaris): ... here. Eliminate redundant information and
647 reword necessary packages section. Delete 4.x assembler bug info.
648 (sparc-sun-*): Merge into ...
649 (sparc-sun-sunos*): here.
651 2001-07-20 Catherine Moore <clm@redhat.com>
653 * config/v850/v850.md (casesi): Generate LABEL_REF
656 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
658 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
659 * i386.c (ix86_zero_extend_to_Pmode): Make global.
660 * i386.md (strclrsi expander): Use it.
662 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
664 * integrate.c (copy_insn_list): handle
665 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
666 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
667 identically as to CODE_LABEL.
669 * fold-const (fold): Convert A/B/C to A/(B*C) and
672 * except.c (connect_post_landing_pads): Delete the RESX insns.
674 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
676 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
678 * config/mips/mips.md (nmadd/nmsub): Use macro.
680 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
682 * cppinit.c (remove_dup_dir): Make static.
683 (remove_dup_dirs): Make static. Only warn about preempting a
684 system directory with a non-system directory.
686 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
688 * ifcvt.c (noce_try_store_flag_constants): Correct order
689 of parameters to trunc_int_for_mode.
691 2001-07-19 Mark Mitchell <mark@codesourcery.com>
693 * reorg.c (fill_simple_delay_slots): If an instruction might throw
694 an exception that will be caught within this function, do not fill
695 its delay slot with any subsequent instruction.
697 2001-07-19 Steve Ellcey <sje@cup.hp.com>
699 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
700 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
701 pointer extension instruction.
702 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
703 * simplify-rtx.c (simplify_unary_operation) Likewise.
704 * explow.c (convert_memory_address) Check value of
705 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
707 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
708 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
709 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
710 Add Multilib Support.
711 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
712 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
713 Add Multilib Support.
714 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
716 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
717 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
718 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
720 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
722 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
723 old and new operands in `<', `3' and `b'.
725 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
727 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
728 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
729 (toplev.o): Don't depend on xcoffout.h.
730 * c-decl.c: Include debug.h
731 (duplicate_decls): Use debug hook.
732 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
733 (dbx_debug_hooks, xcoff_debug_hooks): Update.
734 (dbxout_types): Remove.
735 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
736 * debug.c (do_nothing_debug_hooks): Update.
737 (debug_true_tree, debug_nothing_rtx): New.
738 * debug.h (struct rtx_def): New.
739 (struct gcc_debug_hooks): New hooks ignore_block,
740 outlining_inline_function and label.
741 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
742 dwarf2out_frame_finish): New.
743 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
744 Make static, update prototype.
745 (dwarf2_debug_hooks): Update.
746 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
747 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
748 * dwarfout.c (dwarf_debug_hooks): Update.
749 * emit-rtl.c: Include debug.h.
750 (remove_unnecessary_notes): Use debug hook.
751 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
752 (final_scan_insn): Use debug hook.
753 * integrate.c (output_inline_function): Use debug hook.
754 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
755 (sdb_debug_hooks): Update.
756 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
757 * toplev.c: Don't include xcoffout.h.
758 (note_outlining_of_inline_function, debug_ignore_block): Remove.
759 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
761 * tree.h (dwarf2out_do_frame): Remove.
763 2001-07-19 Catherine Moore <clm@cygnus.com>
765 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
767 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
769 * reload1.c (eliminate_regs_in_insn): When updating a set
770 to the frame pointer to the hardware frame pointer, perform
771 the update always not just when REPLACE is set.
773 * reload1.c (choose_reload_regs): Don't inherit a reload
774 that crosses multiple registers if registers past the first
775 don't fit in the desired class.
777 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
778 when negating constants.
780 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
782 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
783 * doc/tree.texi: Ditto.
785 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
786 Jakub Jelinek <jakub@redhat.com>
788 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
789 (extract_cie_info): Handle "eh" augmentation properly,
791 (struct frame_state, __frame_state_for): New.
793 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
795 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
796 HANDLE_SYSV_PRAGMA): Define.
797 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
799 (copy_object): Caller changed.
801 2001-07-19 Andreas Schwab <schwab@suse.de>
803 * configure.in (assembler dwarf2 debug_line support): Define nop
805 * configure: Regenerated.
807 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
809 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
811 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
812 to conditionally compiled block.
813 (dbx_debug_hooks, xcoff_debug_hooks): Update.
814 * dbxout.h (dbxout_function): Remove.
815 * debug.c (do_nothing_debug_hooks): Update.
816 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
817 global_decl, deferred_inline_function.
818 * dwarf2out.c (dwarf2_debug_hooks): Update.
819 (dwarf2out_global_decl): New.
820 * dwarfout.c: Don't include dwarfout.h.
821 (dwarfout_global_decl, dwarfout_function_decl,
822 dwarfout_deferred_inline_function): New.
823 (dwarf_debug_hooks): Update.
824 * dwarfout.h: Remove.
825 * final.c: Don't include dwarfout.h.
826 * sdbout.c (sdbout_global_decl): New.
827 (sdbout_debug_hooks): Update.
828 * toplev.c: Don't include dwarfout.h.
829 (check_global_declarations, rest_of_compilation): Use new debug hooks.
830 (note_deferral_of_defined_inline_function): Remove.
831 * toplev.h (note_deferral_of_defined_inline_function): Remove.
832 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
833 * ch/lex.c: Don't include dwarfout.h.
834 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
835 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
836 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
837 * cp/optimize.c: Include debug.h.
838 (maybe_clone_body): Use debug hook.
839 * cp/semantics.c: Include debug.h.
840 (expand_body): Use debug hook.
841 * po/POTFILES.in: Remove dwarfout.h.
843 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
845 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
846 * c-parse.in (yyerror, _yylex): Similarly.
847 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
848 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
850 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
851 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
853 2001-07-18 Jeff Sturm <jsturm@one-point.com>
855 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
856 in-class declaration at -g1. Fixes c++/2814.
858 2001-07-18 Richard Henderson <rth@redhat.com>
860 * doc/md.texi (reload_in/out): Document restrictions in predicates
861 and constraints for these patterns. Document empty string matching
864 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
866 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
868 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
870 * cse.c: Undo my previous patch.
872 2001-07-18 Tom Tromey <tromey@redhat.com>
875 * configure: Rebuilt.
876 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
878 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
880 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
881 Jan Hubicka <jh@suse.cz>
883 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
884 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
885 * jump.c (mark_jump_label): Do not forward branches.
887 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
889 * cse.c (delete_trivially_dead_insns): Delete the libcall block
890 when return value is unused.
892 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
894 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
896 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
898 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
899 on error. We can't blindly return the result of
900 pthread_mutex_trylock because it returns a positive number on
901 error, while we must return -1 on error.
902 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
904 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
906 2001-07-18 Andreas Jaeger <aj@suse.de>
908 * integrate.c (output_inline_function): Correct type of debug_hooks.
910 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
912 * combine.c (combine_simplify_rtx): DIV can be treated
913 associatively for floats if unsafe math optimisations are enabled.
915 2001-07-17 Richard Henderson <rth@redhat.com>
917 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
919 2001-07-17 Richard Henderson <rth@redhat.com>
921 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
922 don't force the function address into a register.
923 (expand_call, emit_library_call_value_1): Update callers.
924 * builtins.c (expand_builtin_apply): Likewise.
925 * expr.h (prepare_call_address): Update decl.
927 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
929 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
931 * config/i386/chorus.h: Move up.
932 * config/sparc/chorus.h: Likewise.
933 * config/rs6000/chorus.h: Likewise.
934 * config/chorus.h: Moved here.
936 2001-07-17 Andreas Schwab <schwab@suse.de>
938 * configure.in (assembler eh_frame optimization): Handle big
940 * configure: Regenerated.
942 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
944 * expr.c (epxand_expr): Convert divisions into multiplications by
945 reciprocals if -ffast-math.
947 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
949 * dbxout.c (dbxout_really_begin_function): Rename to
950 dbxout_begin_function.
951 (dbx_debug_hooks, xcoff_debug_hooks): Update.
952 (dbxout_begin_function): Remove.
953 (dbxout_function): Update.
954 (dbxout_source_line): Update prototype.
955 * dbxout.h (dbxout_begin_function): Remove.
956 * debug.c (do_nothing_debug_hooks): Update.
957 (debug_nothing_tree): Update.
958 (debug_nothing_charstar_rtx): Remove.
959 * debug.h (union tree_node): Declare.
960 (struct rtx_def): Remove.
961 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
962 begin_function. Change source_line prototype.
963 (debug_nothing_tree): New.
964 (debug_nothing_charstar_rtx): Delete.
965 (dwarf2out_begin_prologue): Moved from ...
967 * dwarf2out.c (dwarf2_debug_hooks): Update.
968 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
969 debug info, call dwarf2out_source_line.
970 (dwarf2out_souce_line): Update prototype.
971 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
972 Change prototype, make static.
973 (dwarfout_source_line): Update prototype.
974 (dwarf_debug_hooks): Update.
975 * dwarfout.h (dwarfout_begin_function): Remove.
976 * final.c (final_start_function, final_scan_insn): Use appropriate
977 debug hooks, update to use notice_source_line.
978 (output_source_line): Rename notice_source_line. Don't call the
979 source_line debug hook.
980 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
981 make static, update prototype.
982 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
984 (sdbout_end_prologue): New.
985 (sdbout_source_line): Update prototype.
986 (sdbout_debug_hooks): Update.
987 (sdbout_symbol): Remove unused var.
988 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
990 * varasm.c: Include debug.h.
991 (assemble_start_function): Use begin_function debug_hook.
992 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
993 update with prototype.
994 (xcoffout_source_line): Update prototype.
995 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
997 (xcoffout_source_line): Update prototype.
999 2001-07-17 Richard Henderson <rth@redhat.com>
1001 * c-typeck.c (build_binary_op): Do not shorten unsigned
1002 right shift after sign extension.
1004 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1006 * combine.c (combine_simplify_rtx): Attempt to simplify
1007 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
1009 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
1010 (simplify_binary_operation, simplify_unary_operation,
1011 simplify_relational_operation): Use it.
1013 * combine.c (combine_simplify_rtx): Don't do associative law
1014 on divisions; allow associative law on floats.
1016 2001-07-17 H.J. Lu <hjl@gnu.org>
1017 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1019 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
1020 ASM_OUTPUT_WEAK_ALIAS are defined.
1021 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
1022 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
1024 * config/mips/iris5.h: ... here.
1025 (HANDLE_SYSV_PRAGMA): Defined as 1.
1026 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
1027 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
1030 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
1032 * c-parse.in (all_prefix_attributes): New variable.
1033 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
1034 (maybe_resetattrs): New production.
1035 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
1036 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
1037 notype_initdcl, nested_function, notype_nested_function,
1038 component_decl, components, components_notype,
1039 component_declarator, component_notype_declarator,
1040 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
1041 ivars, mydecl, myparm): Update. Avoid prefix attributes just
1042 after a comma being applied to more than one declarator.
1043 * doc/extend.texi (Attribute Syntax): Update. Remove
1044 documentation of bugs that are no longer present.
1046 2001-07-13 Eric Christopher <echristo@redhat.com>
1048 * config/mips/mips.h: Change TUNE_MIPS* options to use
1050 (EXTRA_SPECS): Add cc1_cpu_spec.
1051 * config/mips/mips.md (muldf3): Fix typo.
1053 2001-07-16 Richard Henderson <rth@redhat.com>
1055 * config/m68k/m68k.c: Include expr.h and reload.h.
1056 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
1057 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
1059 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1060 Richard Henderson <rth@redhat.com>
1062 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
1063 (insn_live_p): Fix fall off end of function.
1064 (dead_libcall_p): Remove COUNTS argument; update callers.
1065 (delete_trivially_dead_insns): Remove unused variables.
1067 2001-07-17 Andreas Jaeger <aj@suse.de>
1069 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
1072 * lcm.c (optimize_mode_switching): Avoid warning for unused
1073 variable if !NORMAL_MODE.
1075 * flow.c (try_crossjump_to_edge): Remove unused variable.
1077 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1079 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
1080 atexit declaration in stdlib.h.
1082 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
1084 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
1086 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1088 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
1089 * except.c (finish_eh_generation): Update call of cleanup_cfg;
1090 do rebuild_jump_labels instead of jump_optimize
1091 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
1092 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
1093 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
1095 * flow.c: Include timevar.h
1096 (find_basic_block): Push/pop timevar;
1097 (cleanup_cfg): Likewise.
1098 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
1099 * Makefile: Add dependencies on timevar.h
1101 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
1102 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
1104 * rtl.h (delete_trivially_dead_insns): Add new parameter.
1105 * toplev.c (rest_of_compilation): Update calls.
1106 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
1107 (delete_trivially_dead_insns): ... here; accept new argument
1108 preserve_basic_blocks; preserve basic blocks if set.
1110 * reg-stack.c (stack_regs_mentioned): Return 0 if
1111 stack_regs_mentioned_data is not initialized.
1112 (reg_to_stack): Make stack_regs_mentioned survive after the
1113 reg-stack is completted; do not call cleanup_cfg.
1114 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
1115 make cleanup_cfg after bb-reorder to output to debug file.
1117 2001-07-16 Richard Henderson <rth@redhat.com>
1119 * regclass.c (init_reg_sets): Use only 32 bits per initializer
1120 from int_reg_class_contents.
1122 2001-07-16 Richard Henderson <rth@redhat.com>
1124 * hard-reg-set.h (regs_invalidated_by_call): Declare.
1125 * regclass.c (regs_invalidated_by_call): Move from cse.c.
1126 (init_reg_sets_1): Move initialization from cse_main.
1127 * cse.c (regs_invalidated_by_call): Move to regclass.c.
1128 (cse_main): Move its initialization also.
1129 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
1130 * flow.c (propagate_one_insn): Likewise.
1131 * gcse.c (compute_hash_table): Likewise.
1132 (compute_kill_rd, compute_store_table): Likewise.
1133 * sched-deps.c (sched_analyze_1): Likewise.
1135 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
1137 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
1140 2001-07-16 Steve Ellcey <sje@cup.hp.com>
1142 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
1143 in if statement so we don't access undefined memory.
1145 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1147 * gcse.c: Update comment at top.
1148 Update comment on mem handling.
1149 mem_last_set, mem_first_set, mem_set_in_block: gone.
1150 Declaration of reg_set_info: gone.
1151 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
1152 pointless with load_killed_in_block_p (they are *more*
1153 conservative then it, not less, and less accurate).
1154 (oprs_not_set_p): Ditto.
1155 (alloc_gcse_mem): Don't allocate mem_set_in_block
1156 (free_gcse_mem): Don't free it, either.
1157 (record_last_mem_set_info): Update comment in front, remove
1158 mem_*set_* stuff. Note the reason we don't handle stores directly
1160 (compute_hash_table): Update comments to reflect reality. Remove
1161 mem_*set_* references.
1162 (reset_opr_set_tables): Remove mem_*set_* references.
1164 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
1165 (mark_clobber): Ditto (on both parts, we double set here too).
1166 (expr_killed_p): Remove mem_set_in_block test.
1167 (compute_transp): Remove mem_set_in_block test.
1169 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
1170 of edge, and removal of phi alternative to dump file.
1171 (ssa_ccp_substitute_constants): Add note about register now being
1172 constant, and which uses were replaced in what insns to dump file.
1174 2001-07-16 Andreas Jaeger <aj@suse.de>
1176 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
1177 variables of type HOST_WIDEST_INT.
1179 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
1180 (__bb_exit_func): Correct type of count_max to avoid overflow.
1181 (num_digits): Handle long long argument.
1183 * combine.c (gen_lowpart_for_combine): Remove unused variable.
1185 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1187 * output.h (sdb_begin_function_line): Restore as an extern
1189 * sdbout.c (sdb_begin_function_line): Make extern.
1191 2001-07-15 Richard Henderson <rth@redhat.com>
1193 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
1194 * genrecog.c (maybe_both_true_mode): New.
1195 (maybe_both_true_2): Use it.
1196 (write_switch): Don't put Pmode in a switch.
1197 * rtl.c (mode arrays): Don't explicitly size them.
1199 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1201 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
1202 handling; move unconditional splitting before mode switching.
1204 * i386.md (type): Add fistp type.
1205 (i387, length_attr, scheduling definitions): Handle this type.
1206 (fix_trunc?f?i2): Revamp to use mode switching.
1207 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
1208 * i386.h (fp_cw_mode): New enum
1209 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
1210 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
1212 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1214 * Makefile.in (integrate.o): Add debug.h.
1215 * integrate.c (debug.h): Add.
1216 (output_inline_function): Save, reset, and restore debug_hooks.
1218 2001-07-15 Richard Henderson <rth@redhat.com>
1220 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
1221 instead of COMPARE for the EQUIV expression.
1223 2001-07-15 Richard Henderson <rth@redhat.com>
1225 * flow.c (redirect_edge_and_branch_force): Initialize
1226 global_live_at_start and global_live_at_end.
1227 (allocate_bb_life_data): Export.
1228 * basic-block.h (allocate_bb_life_data): Declare.
1229 * toplev.c (rest_of_compilation): Call it.
1231 2001-07-15 Richard Henderson <rth@redhat.com>
1233 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
1234 (alpha_tablejump_best_label): New.
1235 * config/alpha/alpha-protos.h: Declare them.
1236 * config/alpha/alpha.md: Use braced strings for code blocks.
1237 (tablejump_osf): Break out add with r29.
1238 (tablejump_osf_internal): Remove.
1239 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
1240 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
1242 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1244 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
1247 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
1249 * i386-protos.h (ix86_split_fp_branch): Update prototype.
1250 (ix86_fp_jump_nontrivial_p): New.
1251 * i386.md (fp_jcc_?): Update call of split_fp_branch;
1252 use ix86_fp_jump_nontrivial_p.
1253 * i386.c (ix86_fp_jump_nontrivial_p): New.
1254 (ix86_split_fp_branch): Accept code instead of rtx.
1255 (ix86_expand_compare): Expand comparison early in case
1256 doing so is resonably cheap.
1258 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
1260 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
1262 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
1263 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
1265 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
1267 * dbxout.c (dbxout_source_line): Make static, update prototype.
1268 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
1269 (dbxout_init, dbxout_finish, dbxout_source_line,
1270 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
1271 * dbxout.h (dbxout_source_line): Delete.
1272 * debug.c (debug_nothing_file, debug_nothing_file_int,
1273 debug_nothing_file_charstar_rtx): New.
1274 (do_nothing_debug_hooks): Update.
1275 (debug_nothing_void, debug_nothing_charstar_rtx,
1276 dwarf2out_end_epilogue): New.
1277 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
1278 * debug.h (struct rtx_def): Declare.
1279 (gcc_debug_hooks): New hooks source_line, end_epilogue
1281 (debug_nothing_void, debug_nothing_charstar_rtx,
1282 dwarf2out_end_epilogue): New.
1283 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
1284 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
1285 (dwarf2_debug_hooks): Update.
1286 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
1287 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
1288 * dwarf2out.h (dwarf2out_source_line): Remove.
1289 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
1290 Make static, update prototype.
1291 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
1292 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
1293 (dwarf_debug_hooks): Update.
1294 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
1295 dwarfout_end_function): Remove.
1296 * final.c (profile_function): Use debug hooks for ending functions
1298 (output_source_line, final_end_function): Update prototype,
1300 (final_start_function, final_scan_insn): Update.
1301 * output.h (sdb_begin_function_line): Remove.
1302 (final_end_function): Update prototype.
1303 * sdbout.c (sdb_begin_function_line): Make static.
1304 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
1305 (sdbout_source_line): New.
1306 (sdbout_end_epilogue, sdbout_end_function): Make static, update
1308 (sdb_debug_hooks): Update.
1309 (sdbout_init, sdbout_source_line,
1310 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
1311 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
1312 * toplev.c (compile_file, rest_of_compilation): Update.
1313 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
1314 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
1315 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
1316 Update for prototype changes.
1317 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
1318 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
1320 2001-07-15 Richard Henderson <rth@redhat.com>
1322 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
1323 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
1324 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
1325 * config/alpha/alpha.c: Likewise.
1326 * config/alpha/alpha.md: Likewise.
1327 * config/alpha/alpha32.h: Likewise.
1328 * config/alpha/vms.h: Likewise.
1331 2001-07-14 Richard Henderson <rth@redhat.com>
1333 * config/alpha/alpha.md: Use define_constants for unspec values.
1334 Substitute throughout.
1336 2001-07-14 Tim Josling <tej@melbpc.org.au>
1338 * tree.def (EXPON_EXPR) remove. Never supported anyway.
1340 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
1342 * pa.md: Remove unused constraints from define_split's.
1344 2001-04-14 Richard Henderson <rth@redhat.com>
1346 * ifcvt.c (find_cond_trap): Test for exit block.
1348 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
1350 Re-install recently reverted patch.
1351 * emit-rtl.c (try_split): Update mark_jump_label call.
1352 * flow.c (find_sub_basic_blocks): Likewise.
1353 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
1355 (mark_all_labels): Kill second parameter.
1356 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
1357 (rebuild_jump_labels, jump_optimize_minimal): Update call
1359 (jump_optimize_1): Kill crossjumping code.
1360 (mark_jump_label): Kill cross_jump parameter.
1361 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
1362 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
1363 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
1365 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
1367 (dump_file_info): Likewise.
1368 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
1369 reorganize passes to do reg-stack first, bb-reorder second.
1370 * invoke.texi (-d letters doc): Remove the jump2 pass.
1372 2001-07-14 Richard Henderson <rth@redhat.com>
1374 * ifcvt.c (find_cond_trap): New.
1375 (find_if_header): Call it.
1376 (merge_if_block): Relax existing jump sanity check.
1377 * jump.c (jump_optimize_1): Remove conditional trap handling.
1379 2001-07-14 Alan Modra <amodra@bigpond.net.au>
1381 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
1383 (insn_refs_are_delayed): Correct comment.
1384 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
1385 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
1386 instead of r31. Make associated insn !TARGET_64BIT, and
1387 provide an additional 64-bit insn that clobbers r2.
1389 (udivsi3): Likewise.
1391 (umodsi3): Likewise.
1393 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
1395 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
1397 * flow.c (redirect_edge_and_branch_force, split_edge,
1398 try_crossjump_to_edge): Use set_block_for_new_insns.
1399 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
1401 2001-07-13 H.J. Lu (hjl@gnu.org)
1403 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
1406 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
1408 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
1410 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
1412 * c-common.c (decl_attributes): Take a pointer to the node to
1413 which attributes are to be attached, and a flags argument.
1414 * c-common.h (enum attribute_flags): New.
1415 (decl_attributes): Update prototype.
1416 * c-decl.c (start_decl, push_parm_decl, finish_struct,
1417 finish_enum, start_function): Update calls to decl_attributes.
1418 * c-parse.in (component_declarator, component_notype_declarator,
1419 label): Update calls to decl_attributes.
1421 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
1423 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
1424 * config/avr/avr.c (legitimate_address_p): Return value changed
1425 from letter to register classes. For better debugging.
1427 2001-07-13 Kazu Hirata <kazu@hxi.com>
1429 * jump.c (reversed_comparison_code_parts): Fix comment typos.
1431 2001-07-13 H.J. Lu (hjl@gnu.org)
1433 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
1435 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
1437 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
1438 correctly for shared configurations.
1439 * config/t-libgcc-pic: New.
1440 * config/{i386,m68k,sparc}/t-openbsd: New.
1441 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
1442 Support -shared. Support debugging libraries with -g.
1443 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
1444 frame information does not emit pointer diffs.
1445 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
1448 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
1450 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
1452 2001-07-13 David Edelsohn <edelsohn@gnu.org>
1454 * combine.c (try_combine): Ensure const_int pow2 is positive.
1456 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
1458 * config.gcc: Add configuration for s/390.
1459 * config/s390/s390.c: New. Subroutines for code generation.
1460 * config/s390/s390.h: New. Definitions for s/390.
1461 * config/s390/s390-protos.h: New. Prototypes.
1462 * config/s390/linux.h: New. Definitions for linux for s/390.
1463 * config/s390/linux64.h: New. Definitions for linux for zSeries.
1464 * config/s390/t-linux: New. Makefile fragment.
1465 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
1466 * config/s390/fixdfdi.h: New. Fix L_fix*di.
1468 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1470 * emit-rtl.c (try_split): Update mark_jump_label call.
1471 * flow.c (find_sub_basic_blocks): Likewise.
1472 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
1474 (mark_all_labels): Kill second parameter.
1475 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
1476 (rebuild_jump_labels, jump_optimize_minimal): Update call
1478 (jump_optimize_1): Kill crossjumping code.
1479 (mark_jump_label): Kill cross_jump parameter.
1480 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
1481 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
1482 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
1484 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
1486 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
1487 reorganize passes to do reg-stack first, bb-reorder second.
1488 * invoke.texi (-d letters doc): Remove the jump2 pass.
1490 2001-07-12 Steve Ellcey <sje@cup.hp.com>
1492 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
1494 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1496 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
1498 (verify_flow_info): Make diagnostics prettier.
1500 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1502 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
1504 * flow.c (outgoing_edges_match): Return early if condition reversal
1507 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
1509 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
1510 (mips_move_2words): When splitting a move into two instructions,
1511 prefix the second address operand with '%D'.
1513 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
1515 * Makefile.in (final.o): Depend on debug.h.
1516 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
1517 (dbx_debug_hooks): Add new hooks.
1518 (xcoff_debug_hooks): New.
1519 * debug.c (debug_nothing_file_int_int): New.
1520 (do_nothing_debug_hooks): Update.
1521 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
1522 (debug_nothing_file_int_int): New.
1523 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
1524 static, update prototype.
1525 (dwarf2_debug_hooks): Update.
1526 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
1527 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
1528 static, update prototype.
1529 (dwarf_debug_hooks): Update.
1530 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
1531 * final.c: Include debug.h.
1532 (final_scan_insn): Use debug hooks when beginning and ending blocks.
1533 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
1534 static, update prototype.
1535 (sdb_debug_hooks): Update.
1536 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
1537 * toplev.c: Distinguish between xcoff and dbx.
1539 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
1540 Call all debug hooks, not just dwarf ones.
1542 2001-07-11 Timothy Wall <twall@redhat.com>
1544 * config.gcc: Add configuration for AIX5/IA64.
1545 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
1546 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
1547 support prefix/suffix code.
1548 * config/ia64/t-aix: New. Makefile fragment.
1549 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
1551 2001-07-11 Kazu Hirata <kazu@hxi.com>
1553 * recog.c (validate_change): Fix a comment typo.
1555 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
1557 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
1558 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
1560 * dbxout.c (dbx_debug_hooks): Add new hooks.
1561 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
1563 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
1565 * dbxout.h (dbxout_start_new_source_file,
1566 dbxout_resume_previous_source_file): Delete.
1567 * debug.c (do_nothing_debug_hooks): Add new hooks.
1568 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
1569 (debug_nothing_int_charstar, debug_nothing_int): New.
1570 * debug.h (gcc_debug_hooks): New hooks define, undef,
1571 start_source_file and end_source_file.
1572 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
1573 (debug_nothing_int_charstar, debug_nothing_int): New.
1574 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
1575 the conditionally compiled section.
1576 (dwarf2out_start_source_file, dwarf2out_end_source_file,
1577 dwarf2out_define, dwarf2out_undef): Make static.
1578 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
1579 dwarf2out_define, dwarf2out_undef): Remove.
1580 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
1581 (dwarfout_start_source_file, dwarfout_end_source_file,
1582 dwarfout_define, dwarfout_undef): Make static.
1583 (dwarfout_start_source_file_check,
1584 dwarfout_end_source_file_check): New.
1585 (dwarfout_define, dwarfout_finish): Update.
1586 * dwarfout.h (dwarfout_start_new_source_file,
1587 dwarfout_resume_previous_source_file, dwarfout_define,
1588 dwarfout_undef): Remove.
1589 * sdbout.c (sdb_debug_hooks): Add new hooks.
1590 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
1592 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
1593 make static, take an arg.
1594 * sdbout.h (sdbout_start_new_source_file,
1595 sdbout_resume_previous_source_file): Delete.
1596 * toplev.c (debug_start_source_file, debug_end_source_file,
1597 debug_define, debug_undef): Delete.
1598 * toplev.h (debug_start_source_file, debug_end_source_file,
1599 debug_define, debug_undef): Delete.
1601 * java/jcf-parse.c: Include debug.h.
1602 (parse_class_file): Update to use debug hooks directly.
1603 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
1605 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1607 * alias.c (set_mem_alias_set): New function.
1608 * rtl.h (set_mem_alias_set): Declare it.
1609 * builtins.c (expand_builtin_return_addr): Call it instead of
1610 using MEM_ALIAS_SET accessor.
1611 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
1612 (get_memory_rtx, expand_builtin_va_arg): Likewise.
1613 (expand_builtin_va_copy):Likewise.
1614 * caller-save.c (setup_save_areas): Likewise.
1615 * calls.c (compute_argument_addresses): Likewise.
1616 * explow.c (set_mem_attributes): Likewise.
1617 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
1618 (expand_assignment, store_constructor_field, store_field): Likewise.
1619 (expand_expr_unaligned): Likewise.
1620 * function.c (assign_stack_temp_for_type): Likewise.
1621 (put_reg_into_stack, gen_mem_addressof): Likewise.
1622 * ifcvt.c (noce_try_cmove_arith): Likewise.
1623 * reload1.c (reload, alter_reg): Likewise.
1624 * config/alpha/alpha.c (get_aligned_mem): Likewise.
1625 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
1626 (alpha_expand_unaligned_store): Likewise
1627 (alpha_expand_unaligned_load_words): Likewise.
1628 (alpha_expand_unaligned_store_words): Likewise.
1629 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
1630 (alpha_expand_epilogue): Likewise.
1631 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
1632 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
1633 * config/i386/i386.c (legitimize_pic_address): Likewise.
1634 * config/i960/i960.c (setup_incoming_varargs): Likewise.
1635 * config/ia64/ia64.c (spill_restore_mem): Likewise.
1636 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
1637 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
1638 * config/mips/mips.c (mips_va_arg): Likewise.
1639 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
1640 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
1641 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
1642 (setup_incoming_varargs, rs6000_va_arg): Likewise.
1643 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
1644 (rs6000_emit_epilogue): Likewise.
1645 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
1646 * config/sparc/sparc.c (sparc_va_arg): Likewise.
1647 * config/v850/v850.c (v850_va_arg): Likewise.
1649 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1651 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
1652 when fallthru edge is present.
1653 (mege_blocks): Handle case where creation of jump insn
1656 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
1657 CLEANUP_POST_REGSTACK): New constants.
1658 * except.c (finish_eh_generation): Update call of cleanup_cfg,
1659 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
1660 * output.h (cleanup_cfg): Update prototype.
1661 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
1662 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
1663 cleanup_cfg call; kill missleading comment.
1664 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
1665 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
1666 parameter; control optimizations performed using it.
1667 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1668 try_crossjump_bb): New functions.
1670 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
1672 * pa.c (pa_output_function_prologue): Delete prototype. Make function
1674 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
1675 pa_output_function_prologue.
1676 * pa-protos.h (pa_output_function_prologue): New prototype.
1678 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
1680 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
1681 and low to get correct sign extension in low+high test.
1683 2001-07-11 Janis Johnson <janis@us.ibm.com>
1685 * gcov.c (arcdata): Use gcov_type to fix branch percentage
1686 for large hit count.
1688 * profile.c (branch_prob): Fix .bbg info for computed gotos
1691 2001-07-11 Mark Mitchell <mark@codesourcery.com>
1693 * stmt.c (parse_output_constraint): New function, split out
1695 (expand_asm_operands): ... here. Use parse_output_constraint.
1696 * tree.h (parse_output_constraint): Declare it.
1698 2001-07-11 Richard Henderson <rth@redhat.com>
1700 * bitmap.c: Comment some functions; fiddle whitespace.
1701 (bitmap_free): Don't export.
1702 (bitmap_element_allocate): Use memset.
1703 * bitmap.h (bitmap_free): Don't declare.
1705 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
1707 * gcse.c, lcm.c, sched-deps.c:
1708 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
1710 * flow.c (flow_loops_find): Free dom if we found no loops, since
1711 we aren't going to save it.
1713 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
1716 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
1718 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
1720 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1722 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
1723 #ifndef DWARF2_DEBUGGING_INFO.
1725 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
1727 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
1729 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
1731 * config/mips/mips.c (gen_int_relational): Tell the caller not to
1732 reverse a branch if a NE comparison is implemented with GTU.
1734 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
1735 H.J. Lu <hjl@gnu.org>
1737 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
1739 (call_internal2): Likewise.
1740 (call_value_internal1): Likewise.
1741 (call_value_internal2): Likewise.
1742 (call_value_multiple_internal1): Likewise.
1743 (call_value_multiple_internal2): Likewise.
1745 2001-07-10 Kazu Hirata <kazu@hxi.com>
1747 * calls.c (emit_library_call_value_1): Fix a comment typo.
1748 * dwarf2out.c (mem_loc_descriptor): Likewise.
1749 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
1751 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
1753 * simplify-rtx.c (simplify_subreg): Fix typo in comment
1755 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1757 * recog.c (offsettable_address_p): Handle LO_SUM case.
1758 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
1759 instead of plus_constant.
1761 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1763 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
1764 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
1766 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1768 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
1769 adjust_address_nv instead of plus_constant.
1771 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
1773 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
1774 dwarf2out.o): Depend on debug.h, wrap long lines.
1775 * dbxout.c: Include debug.h.
1776 (dbx_debug_hooks): New.
1777 (dbxout_init): Make static, take just 2 args.
1778 (dbxout_finish): Make static.
1779 * dbxout.h (dbxout_init, dbxout_finish): Delete.
1780 * debug.c: New file.
1781 * debug.h: New file.
1782 * dwarf2out.c: Include debug.h.
1783 (dwarf2_debug_hooks): New.
1784 (dwarf2out_init): Make static.
1785 (dwarf2out_finish): Make static, take 2 args.
1786 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
1787 * dwarfout.c: Include debug.h.
1788 (dwarf_debug_hooks): New.
1789 (dwarfout_init): Make static.
1790 (dwarfout_finish): Make static, take 2 args.
1791 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
1792 * sdbout.c: Include debug.h.
1793 (sdb_debug_hooks): New.
1794 (sdbout_init): Make static, take 2 args.
1795 * sdbout.h (sdbout_init): Delete.
1796 * toplev.c: Include debug.h.
1798 (compile_file): Set deubg_hooks based on command line options.
1799 Use the hooks unconditionally rather than conditional compilation.
1801 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
1803 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
1804 first_insn_after_basic_block_note instead.
1806 * df.c (df_bb_refs_unlink): #if 0 out for now.
1808 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
1810 * ssa.h: Add prototype for ssa_const_prop
1811 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
1812 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
1813 (ssa_fast_dce): Remove unused variable
1815 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1817 * diagnostic.c (finish_diagnostic): Rename to
1818 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
1821 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
1823 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
1826 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
1827 (dump_file): Only pad the demangled name with spaces if the
1828 mangled name was padded with spaces.
1830 2001-07-10 Bernd Schmidt <bernds@redhat.com>
1832 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
1835 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1837 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
1838 extraction if no direct load if either EXPAND_CONST_ADDRESS or
1841 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
1842 whether can put offset inside LO_SUM to check mode alignment, not size.
1844 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1846 * doc/tm.texi (Misc): Fix thinko.
1848 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
1850 * regmove.c (replace_in_call_usage): Fix warnings.
1851 * sched-deps.c (add_dependence): Fix warnings.
1852 * simplify-rtx.c (simplify_subreg): Likewise.
1853 Return NULL_RTX instead of NULL.
1855 * reg-stack.c (emit_swap_insn): Eliminate warnings.
1856 (subst_asm_stack_regs): Likewise.
1858 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
1861 * dwarf2out.c (output_call_frame_info): Declare i as int.
1862 (build_abbrev_table): Declare n_alloc as int.
1863 (dwarf2out_finish): Initialize die.
1864 * except.c: Declare sjlj_funcdef_number as unsigned.
1865 (connect_post_landing_pads): Declare j as unsigned.
1866 (convert_to_eh_region_ranges): Initialize call_site.
1867 (output_function_exception_table): Initialize tt_format_size.
1868 * expr.c (move_by_pieces_1): Initialize to1.
1869 (store_constructor): Initialize minelt and maxelt.
1870 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
1871 * function.c (instantiate_decls): Avoid signed/unsigned warning.
1873 * c-decl.c (combine_parm_decls): Unused, remove.
1874 * c-tree.h: Remove prototype for combine_parm_decls.
1876 * reload.c (push_reload): Fix warning.
1877 (regno_clobbered_p): Likewise.
1878 * reload1.c (replace_pseudos_in_call_usage): Likewise.
1879 (reload_combine): Likewise.
1881 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
1882 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
1884 * bitmap.c (bitmap_operation): Change user.
1885 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
1887 2001-07-10 Eric Christopher <echristo@redhat.com>
1889 * config/mips/mips.c (override_options): Fix typo.
1891 2001-07-09 Stan Shebs <shebs@apple.com>
1893 * target.h (struct gcc_target): New fields init_builtins and
1895 * target-def.h (TARGET_INIT_BUILTINS): New macro.
1896 (TARGET_EXPAND_BUILTIN): New macro.
1897 (TARGET_INITIALIZER): Add them.
1898 * builtins.c: Include target.h.
1899 (expand_builtin): Use targetm.expand_builtin.
1900 (default_init_builtins): New function.
1901 (default_expand_builtin): New function.
1902 * expr.h (default_init_builtins): Declare.
1903 (default_expand_builtin): Declare.
1904 * c-common.c (c_common_nodes_and_builtins): Use
1905 targetm.init_builtins.
1906 * defaults.h (MD_INIT_BUILTINS): Remove.
1907 * Makefile.in (builtins.o): Depend on target.h.
1909 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
1910 (TARGET_EXPAND_BUILTIN): Define.
1911 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
1912 (MD_EXPAND_BUILTIN): Remove.
1914 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
1915 (TARGET_EXPAND_BUILTIN): Define.
1916 (c4x_init_builtins): Make endlink arg a local.
1917 (c4x_print_operand): Fix typos in adjust_address usages.
1918 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
1919 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
1920 (MD_EXPAND_BUILTIN): Remove.
1922 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
1923 (TARGET_EXPAND_BUILTIN): Define.
1924 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
1925 (ix86_init_builtins): Call new function only if TARGET_MMX.
1926 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
1927 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
1928 (MD_EXPAND_BUILTIN): Remove.
1930 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
1931 (TARGET_EXPAND_BUILTIN): Define.
1932 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
1933 (MD_EXPAND_BUILTIN): Remove.
1935 * doc/tm.texi: Document these changes.
1937 2001-07-09 Diego Novillo <dnovillo@redhat.com>
1939 * basic-block.h (tree_node): Forward declare if needed.
1940 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
1941 (BLOCK_HEAD_TREE): Define.
1942 (BLOCK_END_TREE): Define.
1943 (struct loops): Rename field 'tree' to 'tree_root'.
1944 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
1946 (flow_loops_tree_build): Rename reference to field 'tree' to
1948 (flow_loops_level_compute): Ditto.
1949 * predict.c (estimate_bb_frequencies): Ditto.
1950 * tree.h (struct tree_common): Add field 'aux'.
1952 2001-07-09 Stan Shebs <shebs@apple.com>
1954 * config/darwin.c (darwin_encode_section_info): Don't mark any
1955 DECL_EXTERNAL node as defined.
1957 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
1959 * pa.c (pa_init_machine_status, pa_mark_machine_status,
1960 pa_free_machine_status, hppa_init_pic_save): Delete.
1961 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
1962 (hppa_profile_hook): Use hppa_pic_save_rtx.
1963 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
1964 hppa_init_pic_save): Delete.
1965 (hppa_pic_save_rtx): Declare.
1966 * pa.md (call, call_value, sibcall, sibcall_value,
1967 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
1969 2001-07-09 Kazu Hirata <kazu@hxi.com>
1971 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
1972 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
1974 2001-07-09 Andreas Jaeger <aj@suse.de>
1976 * output.h: Add declaration of final_forward_branch_p.
1978 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
1980 * varray.c: Include errors.h for internal_error and trim_filename
1983 * Makefile.in (varray.o): Add errors.h.
1985 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
1987 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
1988 * optabs.c (have_add2_insn): Check whether the add insn chosen
1989 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
1990 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
1992 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
1994 * Makefile.in (OBJS): Add ssa-ccp.o
1995 (ssa-ccp.o): Add dependencies.
1996 * toplev.c (DFI_ssa_ccp): New dump file enum.
1997 (dump_file): Add entry for dumping after SSA CCP.
1998 (flag_ssa_ccp): New flag variable.
1999 (f_options): Add -fssa-ccp.
2000 (rest_of_compilation): Run SSA CCP if requested.
2001 * timevar.def (TV_SSA_CCP): New timevar.
2002 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
2003 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
2004 Fix minor typo in SSA DCE documentation.
2005 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
2006 Add documentation for new dump option. Renumber dump files
2009 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2011 * emit-rtl.c (gen_highpart_mode): New.
2012 * rtl.h (gen_highpart_mode): Declare.
2013 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
2014 operand can be VOIDmode constant.
2016 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2018 * flow.c (redirect_edge_and_branch_force): New.
2019 (can_fallthru): Ensure that basic blocks are succeeding.
2020 (try_optimize_cfg): Do not delete basic block if it is the last one.
2022 * flow.c (try_redirect_by_replacing_jump): Do not remove
2023 jumps with side effects, unlink chain on fallthru edge;
2024 set block for new jump instruction; avoid basic block to
2025 over by line number note.
2027 * flow.c (try_simplify_condjump): Verify that the condjump
2028 is not always falling trought.
2031 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
2033 * flow.c (forwarder_block_p): Fix for fallthru blocks.
2034 (try_redirect_by_replacing_jump): Update properly the count
2035 and frequency information.
2037 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2039 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
2040 address that is a LO_SUM specially.
2041 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
2043 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
2045 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
2046 (operand_subword): Use them.
2047 (change_address_1): Renamed from change_address; new arg VALIDATE.
2048 * expr.h: Reflect above changes; change_address now macro.
2049 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
2051 * cselib.c (add_mem_for_addr): Likewise.
2052 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2053 * regmove.c (try_apply_stack_adjustment): Likewise.
2054 * reload.c (push_reload, make_memloc): Likewise.
2055 * reload1.c (eliminate_regs): Likewise.
2056 * simplify-rtx.c (simplify_replace_rtx): Likewise.
2057 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
2059 * combine.c (make_extraction, simplify_shift_const): Likewise.
2060 (gen_lowpart_for_combine): Likewise.
2061 * cse.c (gen_lowpart_if_possible): Likewise.
2062 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2063 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
2064 * optabs.c (gen_move_insn): Likewise.
2065 * reload1.c (alter_reg): Likewise.
2066 * simplify-rtx.c (simplify_subreg): Likewise.
2067 * stmt.c (expand_anon_union_decl): Likewise.
2068 * recog.c (validate_replace_rtx_1): Likewise.
2070 * Makefile.in (recog.o): Add $(EXPR_H).
2071 * explow.c (stabilize): Call replace_equiv_address.
2072 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
2073 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
2075 2001-07-03 Andrew Haley <aph@redhat.com>
2077 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
2078 the mode of the memory location.
2080 2001-07-09 Bo Thorsen <bo@suse.co.uk>
2082 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
2084 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
2086 * final.c (output_addr_const): Use target opening and
2087 closing parentheses.
2088 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
2089 defaults, add to TARGET_ASM_OUT.
2090 * target.h (struct gcc_target): Add open_paren and close_paren.
2091 * doc/md.texi: Update.
2092 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
2093 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
2094 TARGET_ASM_CLOSE_PAREN.
2095 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2097 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2099 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
2100 * config/a29k/a29k.h: Similarly.
2101 * config/alpha/alpha.h: Similarly.
2102 * config/arc/arc.h: Similarly.
2103 * config/arm/aof.h: Similarly.
2104 * config/arm/aout.h: Similarly.
2105 * config/avr/avr.h: Similarly.
2106 * config/c4x/c4x.h: Similarly.
2107 * config/clipper/clipper.h: Similarly.
2108 * config/convex/convex.h: Similarly.
2109 * config/d30v/d30v.h: Similarly.
2110 * config/dsp16xx/dsp16xx.h: Similarly.
2111 * config/elxsi/elxsi.h: Similarly.
2112 * config/fr30/fr30.h: Similarly.
2113 * config/h8300/h8300.h: Similarly.
2114 * config/i370/i370.h: Similarly.
2115 * config/i386/i386.h: Similarly.
2116 * config/i860/i860.h: Similarly.
2117 * config/i960/i960.h: Similarly.
2118 * config/ia64/ia64.h: Similarly.
2119 * config/m32r/m32r.h: Similarly.
2120 * config/m68hc11/m68hc11.h: Similarly.
2121 * config/m68k/m68k.h: Similarly.
2122 * config/m88k/m88k.h: Similarly.
2123 * config/mcore/mcore.h: Similarly.
2124 * config/mips/mips.h: Similarly.
2125 * config/mn10200/mn10200.h: Similarly.
2126 * config/mn10300/mn10300.h: Similarly.
2127 * config/ns32k/ns32k.h: Similarly.
2128 * config/pa/pa.h: Similarly.
2129 * config/pdp11/pdp11.h: Similarly.
2130 * config/pj/pj.h: Similarly.
2131 * config/romp/romp.h: Similarly.
2132 * config/rs6000/rs6000.h: Similarly.
2133 * config/sh/sh.h: Similarly.
2134 * config/sparc/sparc.h: Similarly.
2135 * config/v850/v850.h: Similarly.
2136 * config/vax/vax.h: Similarly.
2137 * config/we32k/we32k.h: Similarly.
2139 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
2141 * doc/c-tree.texi: Document representation of attributes.
2143 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2145 * doc/tm.texi: Update some places for the rename of target to
2148 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2150 * target.h (struct gcc_target): Add insert_attributes.
2151 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
2152 (TARGET_INITIALIZER): Update.
2153 * tree.c, tree.h (default_insert_attributes): New function.
2154 Update comments on other default functions to refer to targetm,
2156 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
2157 TARGET_INSERT_ATTRIBUTES.
2158 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
2159 * c-common.c (decl_attributes): Use targetm.insert_attributes.
2160 Don't use PRAGMA_INSERT_ATTRIBUTES.
2161 * Makefile.in (c-common.o): Depend on $(TARGET_H).
2162 * c-decl.c (start_decl, start_function): Don't call
2163 SET_DEFAULT_DECL_ATTRIBUTES.
2164 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2165 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
2167 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
2168 (c4x_check_attribute): Avoid modifying attribute list itself.
2169 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
2171 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
2172 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
2174 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
2175 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
2177 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2178 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
2180 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
2181 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
2182 Adjust parameters. Make static.
2184 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2186 * c-common.c (decl_attributes): Only take a single attributes
2188 * c-common.h (decl_attributes): Update prototype.
2189 * c-decl.c (start_decl, start_function): Only take a single
2190 attributes parameter. Update calls to decl_attributes.
2191 (finish_struct, finish_enum): Update calls to decl_attributes.
2192 (push_parm_decl): Expect unified list of attributes. Update call
2194 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
2195 notype_nested_function, component_declarator,
2196 component_notype_declarator, label): Update calls to
2198 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
2199 lists that are passed to push_parm_decl.
2200 * c-tree.h (start_function, start_decl): Update prototypes.
2201 * config/sh/sh-protos.h, config/sh/sh.c
2202 (sh_pragma_insert_attributes): Only take a single attributes
2204 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
2205 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
2206 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
2207 build_module_descriptor, generate_static_references,
2208 generate_strings, build_selector_translation_table,
2209 generate_descriptor_table, generate_protocols,
2210 generate_ivars_list, generate_dispatch_table,
2211 generate_protocol_list, generate_category,
2212 generate_shared_structures, really_start_method, add_objc_decls,
2213 generate_classref_translation_entry): Update calls to start_decl
2215 (build_tmp_function_decl, start_method_def): Unify attribute lists
2216 that are passed to push_parm_decl.
2218 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
2220 * final.c (no_asm_to_stream): New.
2221 (final_scan_insn): Use target structures for prologue ends
2222 and epilogue starts.
2223 * output.h (no_asm_to_stream): New.
2224 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
2225 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
2226 (TARGET_ASM_OUT): Update.
2227 * target.h (struct gcc_target): New members function_end_prologue
2228 and function_begin_epilogue.
2229 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
2230 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
2231 * config/alpha/alpha.c (output_end_prologue): Rename to
2232 alpha_output_function_end_prologue. Use in target struct
2234 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
2235 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
2236 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
2237 ia64_output_function_end_prologue. Use in target struct
2239 (ia64_function_prologue, ia64_funciton_epilogue): Rename
2240 mistyped prototypes.
2241 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
2242 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
2244 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
2245 an use in target struct, make static.
2246 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
2249 2001-07-08 Richard Henderson <rth@redhat.com>
2251 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
2253 2001-07-08 Richard Henderson <rth@redhat.com>
2255 * config/i386/i386.md: Remove constraints strings from define_split
2256 and define_peephole2 patterns.
2257 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
2258 (eh_return): Use them.
2260 2001-07-08 Richard Henderson <rth@redhat.com>
2262 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
2263 Document MD_FALLBACK_FRAME_STATE_FOR.
2265 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2267 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
2268 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
2270 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
2272 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
2274 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
2275 of the label inside NAME as opposed to just the end of NAME.
2277 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
2279 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
2280 * config/alpha/alpha.c (alpha_init_machine_status,
2281 alpha_mark_machine_status, alpha_free_machine_status): Delete.
2282 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
2283 (vms_valid_decl_attribute_p): Make static, conditionally compile.
2284 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
2286 2001-07-06 Stan Shebs <shebs@apple.com>
2288 * target.h (targetm): Rename global from "target", so as not to
2289 conflict with local variables.
2291 * c-typeck.c: Ditto.
2295 * cp/decl2.c: Ditto.
2296 * cp/typeck.c: Ditto.
2297 * 1750a/1750a.c: Ditto.
2298 * a29k/a29k.c: Ditto.
2302 * clipper/clipper.c: Ditto.
2303 * convex/convex.c: Ditto.
2304 * d30v/d30v.c: Ditto.
2305 * dsp16xx/dsp16xx.c: Ditto.
2306 * elxsi/elxsi.c: Ditto.
2307 * fr30/fr30.c: Ditto.
2308 * h8300/h8300.c: Ditto.
2309 * i370/i370.c: Ditto.
2310 * i386/i386.c: Ditto.
2311 * i860/i860.c: Ditto.
2312 * i960/i960.c: Ditto.
2313 * ia64/ia64.c: Ditto.
2314 * m32r/m32r.c: Ditto.
2315 * m68hc11/m68hc11.c: Ditto.
2316 * m68k/m68k.c: Ditto.
2317 * m88k/m88k.c: Ditto.
2318 * mips/mips.c: Ditto.
2319 * ns32k/ns32k.c: Ditto.
2321 * pdp11/pdp11.c: Ditto.
2322 * romp/romp.c: Ditto.
2323 * rs6000/rs6000.c: Ditto.
2325 * sparc/sparc.c: Ditto.
2327 * we32k/we32k.c: Ditto.
2328 * doc/tm.texi: Update the manual to match.
2330 2001-07-06 Richard Henderson <rth@redhat.com>
2332 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
2333 DWARF2_UNWIND_INFO not just whether it is defined.
2335 2001-07-06 Diego Novillo <dnovillo@redhat.com>
2337 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
2338 call to simplify_binary_operation returns a new pattern.
2340 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2342 * glimits.h (__SHRT_MAX__): New.
2343 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
2344 (SHRT_MAX): Define in terms of __SHRT_MAX__.
2346 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
2348 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
2351 2001-07-06 Richard Henderson <rth@redhat.com>
2353 * bitmap.c (bitmap_release_memory): Move adjacent to the
2354 allocation functions.
2355 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
2356 the implementation. Binary search for the set bit.
2357 (bitmap_union_of_diff): Allocate the temporary on the stack
2358 instead of using xmalloc.
2360 2001-07-06 Richard Henderson <rth@redhat.com>
2362 * genrecog.c (validate_pattern): Warn for constraints in
2363 define_{expand,split,peephole2}. Remove strict_low_part
2364 before looking up match_dup.
2366 2001-07-06 DJ Delorie <dj@redhat.com>
2368 * doc/gcc.texi (Makefile): Rename to be a more general purpose
2369 chapter about various build hints and history. Add section
2370 talking about the various types of native and cross builds.
2372 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
2374 * Makefile.in (final.o): Depend on target.h.
2375 * final.c: Include target.h.
2376 (default_function_pro_epilogue): New.
2377 (final_start_function): Use target structure for function prologues.
2378 (final_end_function): Use target structure for function epilogues.
2379 * fold-const.c (real_hex_to_f): Constify s and p.
2380 * output.h (default_function_pro_epilogue): New.
2381 * real.h (real_hex_to_f): Update prototype.
2382 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
2383 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
2384 (TARGET_INITIALIZER): Update.
2385 * target.h (gcc_target): Add struct asm_out.
2386 * doc/tm.texi: Update.
2389 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
2390 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
2391 in cpu/cpu.c, or rename old functions consistently. Take
2392 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
2393 redundant macros and prototypes. Make new functions static.
2395 * 1750a/1750a.c: Similarly.
2396 * 1750a/1750a.h: Similarly.
2397 * a29k/a29k-protos.h: Similarly.
2398 * a29k/a29k.c: Similarly.
2399 * a29k/a29k.h: Similarly.
2400 * arc/arc-protos.h: Similarly.
2401 * arc/arc.c: Similarly.
2402 * arc/arc.h: Similarly.
2403 * arm/arm-protos.h: Similarly.
2404 * arm/arm.c: Similarly.
2405 * arm/arm.h: Similarly.
2406 * avr/avr-protos.h: Similarly.
2407 * avr/avr.c: Similarly.
2408 * avr/avr.h: Similarly.
2409 * clipper/clipper-protos.h: Similarly.
2410 * clipper/clipper.c: Similarly.
2411 * clipper/clipper.h: Similarly.
2412 * convex/convex.c: Similarly.
2413 * convex/convex.h: Similarly.
2414 * d30v/d30v-protos.h: Similarly.
2415 * d30v/d30v.c: Similarly.
2416 * d30v/d30v.h: Similarly.
2417 * d30v/d30v.md: Similarly.
2418 * dsp16xx/dsp16xx-protos.h: Similarly.
2419 * dsp16xx/dsp16xx.c: Similarly.
2420 * dsp16xx/dsp16xx.h: Similarly.
2421 * elxsi/elxsi.c: Similarly.
2422 * elxsi/elxsi.h: Similarly.
2423 * fr30/fr30.c: Similarly.
2424 * fr30/fr30.md: Similarly.
2425 * h8300/h8300-protos.h: Similarly.
2426 * h8300/h8300.c: Similarly.
2427 * h8300/h8300.h: Similarly.
2428 * i370/i370-protos.h: Similarly.
2429 * i370/i370.c: Similarly.
2430 * i370/i370.h: Similarly.
2431 * i386/i386.c: Similarly.
2432 * i386/osf1elf.h: Similarly.
2433 * i386/osfrose.h: Similarly.
2434 * i860/i860-protos.h: Similarly.
2435 * i860/i860.c: Similarly.
2436 * i860/i860.h: Similarly.
2437 * i960/i960-protos.h: Similarly.
2438 * i960/i960.c: Similarly.
2439 * i960/i960.h: Similarly.
2440 * ia64/ia64-protos.h: Similarly.
2441 * ia64/ia64.c: Similarly.
2442 * ia64/ia64.h: Similarly.
2443 * m32r/m32r-protos.h: Similarly.
2444 * m32r/m32r.c: Similarly.
2445 * m32r/m32r.h: Similarly.
2446 * m68hc11/m68hc11-protos.h: Similarly.
2447 * m68hc11/m68hc11.c: Similarly.
2448 * m68hc11/m68hc11.h: Similarly.
2449 * m68k/crds.h: Similarly.
2450 * m68k/dpx2.h: Similarly.
2451 * m68k/m68k-protos.h: Similarly.
2452 * m68k/m68k.c: Similarly.
2453 * m68k/m68k.h: Similarly.
2454 * m68k/news.h: Similarly.
2455 * m88k/m88k-protos.h: Similarly.
2456 * m88k/m88k.c: Similarly.
2457 * m88k/m88k.h: Similarly.
2458 * mips/mips-protos.h: Similarly.
2459 * mips/mips.c: Similarly.
2460 * mips/mips.h: Similarly.
2461 * ns32k/merlin.h: Similarly.
2462 * ns32k/ns32k.c: Similarly.
2463 * ns32k/ns32k.h: Similarly.
2464 * ns32k/tek6000.h: Similarly.
2465 * pa/pa-protos.h: Similarly.
2466 * pa/pa.c: Similarly.
2467 * pa/pa.h: Similarly.
2468 * pdp11/2bsd.h: Similarly.
2469 * pdp11/pdp11-protos.h: Similarly.
2470 * pdp11/pdp11.c: Similarly.
2471 * pdp11/pdp11.h: Similarly.
2472 * romp/romp-protos.h: Similarly.
2473 * romp/romp.c: Similarly.
2474 * romp/romp.h: Similarly.
2475 * rs6000/rs6000-protos.h: Similarly.
2476 * rs6000/rs6000.c: Similarly.
2477 * rs6000/rs6000.h: Similarly.
2478 * rs6000/sysv4.h: Similarly.
2479 * sh/sh-protos.h: Similarly.
2480 * sh/sh.c: Similarly.
2481 * sh/sh.h: Similarly.
2482 * sparc/sparc-protos.h: Similarly.
2483 * sparc/sparc.c: Similarly.
2484 * sparc/sparc.h: Similarly.
2485 * vax/vax.c: Similarly.
2486 * vax/vax.h: Similarly.
2487 * vax/vms.h: Similarly.
2488 * we32k/we32k.c: Similarly.
2489 * we32k/we32k.h: Similarly.
2491 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
2493 * basic-block.h (first_insn_after_basic_block_note): Declare.
2494 * flow.c (first_insn_after_basic_block_note): Define. Moved
2496 * ssa.c (first_insn_after_basic_block_note): Remove.
2497 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
2499 (ssa_eliminate_dead_code): Properly update the CFG and PHI
2500 nodes when we find a dead conditional branch. Insert BARRIERs
2501 after any blocks with no successors, but which do not have
2504 2001-07-06 Zack Weinberg <zackw@stanford.edu>
2506 * varray.c (varray_check_failed): Use internal_error.
2508 2001-07-05 Andrew Haley <aph@redhat.com>
2510 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
2511 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
2512 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
2514 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
2516 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
2517 reference if the target constant is also a SYMBOL_REF.
2519 2001-07-05 Eric Christopher <echristo@redhat.com>
2521 * config/mips/mips.h (MASK_MIPS3900): Remove.
2522 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
2523 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
2524 (TARGET_MIPS3900): Change to use mips_arch.
2525 (TARGET_MIPS4000): New.
2526 (TARGET_MIPS4100): New.
2527 (TARGET_MIPS4300): New.
2528 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
2529 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
2531 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
2532 (ISA_HAS_BRANCHLIKELY): To here.
2533 (CC1_CPU_SPEC): New.
2534 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
2535 (mips_arch_string): Declare.
2536 (mips_arch): Declare.
2537 (TARGET_OPTIONS): Add -march and -mtune.
2539 * config/mips/mips.c (mips_arch_string): New.
2541 (override_options): Handle -march for codegen and -mtune
2542 for scheduling. Use mips_arch. Move tx39 target default here.
2543 (mips_parse_cpu): Move error message to override_options.
2545 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
2547 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
2549 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
2550 (MIPS Options): Ditto. Change mcpu entry to historical text.
2552 2001-07-05 H.J. Lu (hjl@gnu.org)
2554 * config/mips/mips.c (mips_parse_cpu): New function to parse
2557 2001-07-05 Jim Wilson <wilson@redhat.com>
2559 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
2560 * config/ia64/t-ia64: Likewise.
2561 (LIB1ASMFUNCS): Update comment.
2563 2001-07-05 David Edelsohn <edelsohn@gnu.org>
2565 * doc/install.texi (Install GCC: Binaries): Fix typo.
2567 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2569 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
2570 reference using the stack pointer, adjust it since we push Y
2572 ("*ashrsi3"): Likewise.
2573 ("*lshrsi3"): Likewise.
2575 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2577 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
2578 when -fomit-frame-pointer is used.
2580 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
2582 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
2583 (try_redirect_by_replacing_jump): Reverse updating properly the
2584 count and frequency information. Reverse removing cc0 setter.
2585 (forwarder_block_p): Reverse fixing for fallthru blocks.
2587 2001-07-05 DJ Delorie <dj@redhat.com>
2589 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
2590 (translate_options): If the above is defined, use it to map
2591 given options to new options.
2592 * doc/tm.texi: Document it.
2594 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
2595 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2597 * doc/invoke.texi (Optimize Options): Document that -fgcse may
2598 cause programs using computed gotos to run more slowly.
2600 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2602 * doc/install.texi (Specific): Markup, spelling and typo fixes.
2604 Consistently require binutils 2.11.2, not prereleases.
2605 (Specific, decstation-*): Canonicalize as mips-dec-*.
2606 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
2608 (Specific, m68k-altos): Removed reference to README.altos, deleted.
2609 (Specific, mips-*): Reword MIPS C compiler requirements.
2610 (Specific, powerpc*-*-*): New, mention --with-cpu once.
2611 (Specific, sunv5): Removed, obsolete.
2613 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
2615 * dwarf2out.c (output_loc_list): Use an all ones mask for
2616 .text asm output and don't rely on long long
2617 literals. Reformat some long lines.
2619 2001-07-05 Andreas Jaeger <aj@suse.de>
2621 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
2624 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
2626 * dwarf2out.c (dwarf2out_define): Update comment.
2627 (dwarf2out_undef): Ditto.
2628 (dwarf2out_start_source_file): Ditto.
2629 (dwarf2out_end_source_file): Ditto.
2630 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
2631 since we never call the start/end debug hook for the primary file.
2633 2001-07-04 Kazu Hirata <kazu@hxi.com>
2635 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
2638 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
2640 * cppinit.c (remove_dup_dirs): Inform if a system include
2641 directory is being reordered.
2642 * doc/invoke.texi (Directory Options): GCC warns if you hide a
2644 * doc/cpp.texi (Search Paths): Likewise.
2645 * doc/gcc.texi (Interoperation): Remove information about
2648 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
2650 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
2651 (VARRAY_TOP_CHAR_PTR): Likewise.
2653 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2655 * gcc.c (process_command): Don't assign elements of a const char*.
2657 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2659 * emit-rtl.c (change_address): Don't abort if invalid address while
2660 reload is in progress.
2662 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
2664 * c-lex.c (cb_file_change): Pass line number to
2665 debug_start_source_file.
2666 (cb_undefine): Pass correct line number to debug_undef.
2668 * toplev.c (debug_start_source_file): Add line number to
2669 parameters. Pass it along to dwarf2out_start_source_file.
2670 (decode_g_option): Stop resetting debug level back to normal when
2671 we change debug formats, unless the current level is
2672 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
2675 * toplev.h (debug_start_source_file): Add line number to
2678 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
2681 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
2683 Output debug_macinfo data for starting file if requested.
2684 (dwarf2out_end_source_file): Output debug_macinfo data for ending
2686 (dwarf2out_define): Output debug_macinfo data for defining a macro
2688 (dwarf2out_undef): Output debug_macinfo data for undefining a
2690 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
2691 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
2692 (macinfo_section_label): New. DWARF2 macro info section label.
2693 (dwarf2out_init): If we want macro info, output the start label
2695 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
2696 attribute to the compilation unit die pointing to the macro info.
2698 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
2700 * dwarf2out.c (new_loc_list): Move to inside #ifdef
2701 DWARF2_DEBUGGING_INFO.
2702 (add_loc_descr_to_loc_list): Ditto.
2703 (output_loc_list): Ditto.
2704 Also, fix thinko in curr not being initialized.
2705 (gen_internal_sym): Ditto.
2707 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2709 * emit-rtl.c (replace_equiv_address): New function.
2710 * expr.h (replace_equiv_address): New declaration.
2711 * explow.c (validize_mem): Call it instead of change_address and
2712 also call if -fforce-addr and address is constant.
2713 * expr.c: Replace more calls to change_address with adjust_address
2714 and/or replace_equiv_address or to validize_mem.
2715 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
2716 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
2717 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
2718 * config/i370/i370.md, config/i860/i860.md: Likewise.
2719 * config/i960/i960.md, config/mips/mips.c: Likewise.
2720 * config/mips/mips.md, config/pa/pa.md: Likewise.
2721 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
2722 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
2724 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2726 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
2728 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
2731 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
2733 * doc/include: New directory.
2734 * doc/fdl.texi: Move to doc/include/fdl.texi.
2735 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
2736 * doc/include/funding.texi, doc/include/gpl.texi: New files.
2737 * doc/gcc.texi: Use funding.texi and gpl.texi.
2738 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
2739 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
2740 Update dependencies and use -I $(docdir)/include.
2742 2001-07-04 Anthony Green <green@redhat.com>
2744 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
2746 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2748 * doc/install.texi (sparc64-*-*): Remove garbage.
2750 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
2752 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
2753 Fix typo in last change to use adjust_address.
2755 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2757 * doc/install.texi (Specific): Update information for *-*-solaris*.
2759 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2761 * explow.c (plus_constant_wide): Reinitialize Y for restart.
2763 2001-07-03 Stan Shebs <shebs@apple.com>
2765 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
2766 case for flag_no_mach_text_sections.
2767 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
2768 * config/darwin.c (flag_no_mach_text_sections): Remove.
2769 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
2771 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2773 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
2774 and avoid checking for constant as first operand.
2775 * recog.c (find_constant_term_loc): No longer static.
2776 (adj_offettable_operand): Delete.
2777 * rtl.h (adj_offsettable_operand): Delete declaration.
2778 (find_constant_term): Add declaration.
2779 * caller-save.c: Replace calls to adj_offsettable_operand with calls
2781 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
2782 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
2783 * config/i386/i386.c, config/i386/i386.md: Likewise.
2784 * config/i860/i860.c, config/i960/i960.c: Likewise.
2785 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
2786 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
2787 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
2788 * config/mips/mips.c, config/mips/mips.md: Likewise.
2789 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
2790 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
2791 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
2792 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
2793 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
2794 * config/ns32k/ns32k.md: Likewise.
2796 2001-07-03 Zack Weinberg <zackw@stanford.edu>
2798 * rtl.c (copy_rtx): Handle 'T' format letter.
2799 * gensupport.c (collect_insn_data): Likewise.
2800 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
2802 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
2804 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
2805 -B option. Use 'dir' not 'foo' as example directory name.
2807 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2809 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2810 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
2812 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
2814 * doc/cppinternals.texi: Improve formatting and logical markup.
2816 2001-07-03 Andreas Jaeger <aj@suse.de>
2818 * Makefile.in (insn-recog.o): Add dependency on reload.h.
2820 * genrecog.c (write_header): Include reload.h for prototypes in
2823 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
2826 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
2827 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
2828 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
2829 i386_pe_valid_type_attribute_p): Add.
2830 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
2831 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
2833 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2835 * explow.c (plus_constant_wide, case LO_SUM): New case.
2836 (plus_constant_for_output_wide): Delete.
2837 * rtl.h (plus_constant_for_output): Delete.
2838 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
2839 instead of plus_constant_for_output.
2840 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
2841 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
2842 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
2843 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
2844 * config/sparc/sparc.md: Likewise.
2845 Convert some change_address calls to adjust_address.
2847 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
2849 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
2850 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
2851 documentation of -std and -Wwrite-strings.
2853 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
2855 * cse.c (canon_hash): Don't register registers in very small
2856 register classes, as extending their lifetime might cause
2859 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2861 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
2863 * flow.c (forwarder_block_p): Fix for fallthru blocks.
2864 (try_redirect_by_replacing_jump): Update properly the count
2865 and frequency information.
2867 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
2869 * toplev.c (dump_file_index): Move SSA dumps just after first
2871 (dump_file): Corresponding changes.
2872 (rest_of_compilation): Move SSA path to just after the first
2874 * doc/gcc.texi (Passes): Update due to movement of SSA path.
2875 * doc/invoke.texi: Update dump file #s as they were completely
2876 out of date with reality.
2878 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
2880 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
2882 * expr.c (emit_move_insn_1): Deal with non-default
2885 * expr.c (emit_single_push_insn): Fix warning.
2887 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2889 * expr.c (emit_move_insn_1): Avoid modifying
2890 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
2892 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2894 * emit-rtl.c (adjust_address): New function.
2895 * expr.h (adjust_address): Add declaration.
2896 * builtins.c: Replace some calls to change_address with calls to it
2898 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
2899 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
2900 * config/arm/arm.c, config/convex/convex.c: Likewise.
2901 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
2902 * config/i386/i386.c, config/i386/i386.md: Likewise.
2903 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
2904 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
2905 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
2906 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
2907 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
2909 2001-07-02 Jim Wilson <wilson@redhat.com>
2911 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
2913 2001-07-02 Steve Ellcey <sje@cup.hp.com>
2915 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
2916 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
2918 2001-07-02 Zack Weinberg <zackw@stanford.edu>
2920 * cppinit.c (lang_defaults): New table.
2921 (set_lang): Just read from lang_defaults into the live options
2924 2001-07-02 Zack Weinberg <zackw@stanford.edu>
2926 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
2927 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
2928 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
2930 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2932 * doc/install.texi: Various spelling and markup fixes.
2933 (Installing GCC): Component specific installation instructions are
2936 Warn about removing old install dir in the presence of shared libs.
2937 (Configuration): Invoke with options target to match configure
2939 Consistently refer to gas, gld pathnames.
2940 Invert --enable-multilib documentation.
2941 Remove references to old compiler versions.
2943 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2945 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
2947 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2949 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
2951 (Specific, mips*-sgi-irix5): Note IDO download.
2952 Reworded MIPS C hints.
2953 Use GNU as instead of GAS.
2955 Removed SGI Freeware reference, IRIX 6 only.
2956 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
2957 Note N64 library requirement/workaround.
2959 Complete list of structure passing bug victims.
2961 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2963 * doc/install.texi: Remove CVS Id.
2965 2001-07-02 Andreas Jaeger <aj@suse.de>
2967 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
2968 (find_inherently_necessary): Remove unused variable.
2970 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
2972 * c-common.h (TDI_inlined): New ast dump phase.
2973 (dump_flag_name): New function.
2974 * c-dump.c (dump_files): Add inlined phase.
2975 (dump_flag_name): Define.
2976 * doc/invoke.texi (-fdump-ast-inlined): Document.
2978 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2980 * stor-layout.c (layout_decl): Revert change to handling of alignment
2983 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2985 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
2988 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
2990 * doc/tm.texi (FUNCTION_ARG): Document that the last call
2993 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
2995 * tlink.c (recompile_files): Remove COMPILER_PATH and
2996 LIBRARY_PATH from the environment.
2998 2001-07-01 Zack Weinberg <zackw@stanford.edu>
3000 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
3001 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
3003 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
3005 * c-parse.in (OBJC_STRING): Kill.
3006 (objc_string): Decompose to [objc_string] '@' STRING.
3007 (reswords): Take the leading '@' off all the Objective C keywords.
3008 (objc_rid_sans_at): Kill.
3009 (init_reswords): Don't initialize it.
3010 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
3011 (_yylex): Kill reconsider label. Look ahead one token after
3012 an '@'; if we get an identifier, check whether it's an
3013 Objective C @-keyword. If so, return the keyword. Otherwise,
3014 put back the token and return the '@' as a terminal.
3016 * cpplib.c (lex_macro_node): Remove unnecessary check for
3017 leading '@' on identifier. Clarify control flow and commentary.
3019 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3021 * cse.c (new_label_ref): Variable deleted.
3022 (insert): Remove set of new_label_ref.
3023 (check_for_label_ref): New function.
3024 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
3026 See ChangeLog.5 for earlier changes.
OSDN Git Service
