1 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
5 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
7 * cse.c (cse_process_notes): Replace any registers if the address
10 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
12 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
13 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
14 (propagate_block): Update prototype.
15 * flow.c (update_life_info): Simplify the CFG and
16 recalculate the global regs which are alive when
17 removing dead code during a global update.
18 (propagate_block): Return non-zero if an INSN is
21 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
23 * Makefile.in (LIBICONV): Define.
25 2001-07-26 Catherine Moore <clm@redhat.com>
27 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
28 of conditional to avoid tree checking errors.
30 2001-07-26 Kazu Hirata <kazu@hxi.com>
32 * regmove.c (regmove_optimize): Don't replace a reg with
33 another reg of a different mode.
35 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
37 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
38 limit length of dependancy flush list.
39 * params.h (MAX_PENDING_LIST_LENGTH): Define.
40 * sched-int.h (struct deps): Add pending_flush_length field.
41 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
43 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
44 (sched_analyze): After a jump, if the pending memory flush list is too
45 large, flush the pending lists.
46 (init_deps): Initialize pending_flush_length to 0.
47 * doc/invoke.texi (max_pending_list_length): Document parameter.
49 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
51 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
52 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
53 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
55 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
57 * cpphash.h (struct_lexer_state): Delete was_skipping.
58 Move skipping here from struct cpp_reader.
59 * cpplex.c (parse_identifier): Update.
60 (_cpp_lex_token): Don't skip tokens in a directive.
61 * cpplib.c (struct if_stack): Update.
62 (start_directive, end_directive): Don't change skipping state.
63 (_cpp_handle_directive): Update.
64 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
65 (do_else, do_endif): Update; only check for excess tokens if not
66 in a skipped conditional block.
67 (push_conditional): Update for new struct if_stack.
69 2001-07-26 Graham Stott <grahams@redhat.com>
71 * function.c (locate_and_pad_parm): Also pad initial offset
72 so that the total argument size also includes the padding.
74 2001-07-26 Graham Stott <grahams@redhat.com>
76 * gensupport.c (alter_output_for_insn): Correct enable checking failure
79 (process_one_cond_exec): Likewise
81 2001-07-25 Richard Henderson <rth@redhat.com>
83 * varasm.c (assemble_variable): Create DECL_RTL before setting
86 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
88 * predict.c (estimate_probability): Avoid duplicated predictions.
90 * loop.c (find_and_verify_loops): Grok multiple barriers.
92 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
94 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
96 * dbxout.c: Consistently use putc instead of fputc.
97 (print_wide_int): New function; call instead of direct fprintf.
98 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
99 (dbxout_type_fields, dbxout_type_method_1): Likewise.
100 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
101 (print_int_cst_octal): Likewise.
102 (print_octal): Show we wrote characters.
103 (dbxout_type): Set have_used_extensions in more places.
105 2001-07-25 Catherine Moore <clm@redhat.com>
107 * config/v850/v850.c (v850_va_arg): Use addr
108 instead of valist to build incr.
110 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
112 * flow.c (delete_dead_jumptables): New function.
113 (life_analyzis): Call it.
114 * bb-reorder.c (skip_insns_after_block): Handle contradictory
117 2001-07-25 Richard Henderson <rth@redhat.com>
119 * except.c (reachable_handlers): Handle a region being removed
120 out from under a RESX.
122 2001-07-25 Richard Henderson <rth@redhat.com>
124 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
125 swap GE/GT if it is an fp comparison.
127 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
129 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
132 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
134 * ssa.c (rename_insn_1): Do not wrap an assignment to a
135 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
138 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
140 (visit_expression): When attempting to simplify an expression,
141 retrieve any modes for arguments before they are simplified
144 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
145 Janis Johnson <janis@us.ibm.com>
147 * stmt.c (expand_goto): A nonlocal goto can be a call too.
148 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
149 pointer parameters to match documented usage of nonlocal_goto.
150 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
151 parameters to their correct order.
152 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
153 parameters to their correct order.
155 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
157 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
159 2001-07-25 Jan Hubicka <jh@suse.cz>
160 Richard Henderson <rth@redhat.com>
162 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
164 (make_edges): New argument update_p; populate the edge cache if set.
165 (find_basic_blocks): Update make_edges invocation.
167 2001-07-24 Joel Sherrill <joel@OARcorp.com>
169 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
171 2001-07-24 Joel Sherrill <joel@OARcorp.com>
173 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
174 -Acpu and -Amachine.h.
175 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
176 Corrected header to say ELF not a.out.
177 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
178 when given -msoft-float.
180 2001-07-24 Joel Sherrill <joel@OARcorp.com>
182 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
183 extra multilib parts like arm-elf.
184 (i960-*-coff*, i960-*-rtems): Should not use collect2.
185 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
186 crtfini.o as extra multilib parts.
188 2001-07-24 Joel Sherrill <joel@OARcorp.com>
190 * configure.in: Add rtems as a supported thread model.
191 * gthr-rtems.h: Add missing entry point __gthread_active_p.
192 * configure: Rebuilt.
194 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
196 * stor-layout.c (get_mode_alignment): make it work when
197 BITS_PER_UNIT is not a power of two.
198 * builtins.c (get_pointer_alignment): Likewise.
200 2001-07-24 Richard Henderson <rth@redhat.com>
202 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
203 the retrieved constant into the expected mode.
205 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
207 * flow.c (try_simplify_condjump): Avoid duplicated edges.
208 (verify_flow_info): Check for duplicated edges; clarify
211 * flow.c (block_label): Update basic_block_for_insn.
212 (commit_edge_insertions): Call compute_bb_for_insn.
214 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
217 * flow.c (redirect_edge_and_branch,
218 try_optimize_cfg): Use redirect_edge_succ_nodup
219 (redirect_edge_succ_nodup): New.
220 * basic_block.h (redirect_edge_succ_nodup): Declare.
222 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
225 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
227 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
228 (try_crossjump_to_edge): Update commetns.
229 (try_crossjump_bb): Likewise.
231 2001-07-24 Richard Henderson <rth@redhat.com>
233 * combine.c (distribute_notes): Move set of need_refresh
234 for noop_move_p down to catch all cases.
236 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
238 * recog.c (split_all_insns_noflow): New.
239 * rtl.h (split_all_insns_noflow): Declare.
240 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
241 * m68hc11.c (m68hc11_reorg): Likewise.
242 * sh.c (machine_dependent_reorg): Likewise.
243 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
246 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
248 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
249 (ashlsi3_n splitter): Likewise.
250 (lshrsi3_n splitter): Likewise.
252 (GOTaddr2picreg): Make const SImode.
253 (sym_label2reg): Likewise.
254 (symGOT2reg): Likewise.
255 (symGOTOFF2reg) Likewise.
257 (casesi_worker_0): Make unspec SImode.
259 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
261 * config/sh/sh.c (barrier_align): Check that an operand really is
262 an insn before extracting its INSN_CODE.
264 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
266 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
269 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
270 for SImode to prevent overflow.
272 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
274 * config/mips/irix6-libc-compat.c: New file.
275 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
276 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
279 2001-07-24 lars brinkhoff <lars@nocrew.org>
281 * rtl.texi (REG_POINTER): Document.
282 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
283 QFmode, HFmode, TQFmode, QCmode, and HCmode.
285 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
287 * flow.c (delete_noop_moves): Do not confuse libcall regions.
289 2001-07-23 Richard Henderson <rth@redhat.com>
291 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
293 2001-07-23 Kazu Hirata <kazu@hxi.com>
295 * config/h8300/h8300-protos.h: Add a prototype for
296 general_operand_dst_push.
297 * config/h8300/h8300.c (general_operand_dst_push): New.
298 * config/h8300/h8300.h (OK_FOR_T): New.
299 (EXTRA_CONSTRAINT): Use it.
300 * config/h8300/h8300.md (movqi_push): Remove and integrate into
301 the existing movqi pattern.
302 (movhi_push): Likewise.
304 * reload.c: Fix comment typos.
306 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
308 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
310 2001-07-23 H.J. Lu (hjl@gnu.org)
312 * doc/extend.texi: Update __builtin_return_address and
313 __builtin_frame_address.
315 2001-07-23 Richard Henderson <rth@redhat.com>
317 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
319 * config/i386/i386.md: New setcc+movzbl peephole2.
321 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
323 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
324 * objc/objc-act.c: Include debug.h.
325 (synth_module_prologue): Save and restore debug hooks too.
327 2001-07-23 lars brinkhoff <lars@nocrew.org>
329 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
330 and C4X_FLOAT_FORMAT.
331 (BOOL_TYPE_SIZE): Document.
333 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
335 * unroll.c (loop_iterations): Fix miscalculation of initial
338 2001-07-13 Andrew Haley <aph@redhat.com>
340 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
341 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
342 * config/sh/sh.c (sh_can_redirect_branch): New function.
343 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
344 * reorg.c (steal_delay_list_from_target): Use
345 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
347 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
349 * flow.c (try_simplify_condjump): Unlink insn chain on
350 fallthru edge; use can_fallthru.
352 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
354 * basic-block.h (find_sub_basic_block): Declare.
355 * flow.c (make_edges): New arguments MIN and MAX;
356 (find_sub_basic_blocks): Revamp to use make_edges
357 and purge_dead_edges.
358 (find_basic_blocks): Update call of find_sub_basic_block.
360 * recog.c (split_all_insns): Always expect CFG to be consistent;
361 call find_sub_basic_blocks in case something has changed.
362 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
365 * basic-block.h (delete_noop_moves): Declare.
366 * combine.c (combine_instructions): Call it.
367 (recog_for_combine): Tolerate noop moves
368 (distribute_notes): Force refresh when register dies at noop move.
369 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
371 (life_analysis): Update delete_noop_moves call.
372 (set_noop_p): Move too ...
373 * rtlanal.c (noop_move_p): ... here.
374 * rtl.h (noop_move_p): Declare.
376 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
377 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
379 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
380 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
382 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
384 * reload.c (push_reload): Fix typo in comment.
385 (find_reloads_address): Ditto.
386 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
388 2001-07-22 Richard Henderson <rth@redhat.com>
390 * flow.c: Grammar check and clarify a lot of comments.
391 (try_simplify_condjump): Rename variables to be clearer.
392 (try_forward_edges): Skip complex and fallthru edges.
393 Rearrange tests to avoid duplicate checks.
394 (flow_find_cross_jump): Likewise.
395 (outgoing_edges_match): Allow match if neither branch has
396 probability data. Loosen probability match to 5%.
397 (try_crossjump_to_edge): Hoist repeated indirection into
399 (try_crossjump_bb): Don't check complex edges. Eliminate
400 redundant crossjump tests.
401 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
402 checks before more expensive checks.
404 2001-07-22 Richard Henderson <rth@redhat.com>
406 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
407 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
410 2001-07-22 Richard Henderson <rth@redhat.com>
412 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
413 (const_sint32_operand): Likewise.
414 * m68k.md (anon mulsi pattern): Use const_int_operand not
415 const_sint32_operand.
416 (umulsi3_highpart): Zero extend a constant input.
417 (smulsi3_highpart): Don't bother checking SImode constant.
418 (const_umulsi3_highpart): Give op3 DImode.
419 (const_smulsi3_highpart): Likewise.
421 2001-07-22 Richard Henderson <rth@redhat.com>
423 * flow.c (split_block): Make sure bb_note is included in the
424 new block when splitting before a label.
426 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
428 * basic-block.h (redirect_edge_and_branch_force,
429 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
430 * flow.c (redirect_edge_and_branch_force,
431 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
432 (redirect_edge_and_branch_force): Fix copying of lifeness information.
433 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
434 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
435 instead of label; update CFG after transformation.
436 (find_if_case_1): Update call, use redirect_edge_and_branch_force
437 for finishing the transformation; handle even case where ELSE
438 does not follow THEN.
439 (find_if_case_2): Update call of dead_or_predictable; simplify
442 * emit-rtl.c (split_branch_probability): New global variable.
443 (try_split): Take care to set split_branch_probability and
444 create REG_BR_PROB note for new jump insns.
445 * md.texi (define_split): Document new feature.
447 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
449 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
451 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
452 (asm_out_file): Remove redundant declaration.
453 (assemble_asm): Remove old #if 0 block.
454 (assemble_variable): Remove end of function; debug output is
455 now handled with global_decl. Remove old #if 0 block. Update.
456 Remove saved_in_section and associated no-op code.
457 * Makefile.in (varasm.o): Correct dependencies.
459 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
461 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
462 the definition in defaults.h.
464 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
466 * jump.c: Update comments.
467 (delete_barrier_successors, delete_unreferenced_labels,
468 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
469 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
470 jump_optimize, jump_optimize_minimal): Kill.
471 (rebuild_jump_labels): Move code from jump_optimize_1.
472 (purge_line_number_notes): Likewise.
473 (copy_loop_headers): Likewise.
474 * reg-stack.c: Update comment.
476 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
477 JUMP_AFTER_REGSCAN): Kill.
478 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
479 purge_line_number_notes and copy_loop_headers.
481 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
482 Richard Henderson <rth@redhat.com>
484 * dbxout.c (dbxout_global_decl): New.
485 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
486 * sdbout.c (sdbout_finish): New.
487 (sdbout_debug_hooks): Use it, add comments.
488 (sdbout_global_decl): Defer initialised public vars to
490 * varasm.c (assemble_variable): Don't output debug information
491 for file-scope variables.
493 2001-07-22 Richard Henderson <rth@redhat.com>
495 * config/alpha/alpha.c (get_trap_mode_suffix): New.
496 (get_round_mode_suffix): New.
497 (print_operand): Use them for [/]. Remove support for [&'`()+].
498 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
499 * config/alpha/alpha.md (attr round_suffix): New.
500 (attr trap_suffix): New.
501 (all insns): Set them appropriately. Use %/ instead of the
504 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
506 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
508 2001-07-22 Richard Henderson <rth@redhat.com>
510 * regrename.c (regrename_optimize): Compute nregs for each
511 potential target register.
513 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
514 Richard Henderson <rth@redhat.com>
516 * dbxout.c (dbxout_global_decl): New.
517 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
518 * sdbout.c (sdbout_finish): New.
519 (sdbout_debug_hooks): Use it, add comments.
520 (sdbout_global_decl): Defer initialised public vars to
522 * varasm.c (assemble_variable): Don't output debug information
523 for file-scope variables.
525 2001-07-21 H.J. Lu (hjl@gnu.org)
527 * config/mips/mips.c (mips_cpu): Moved into ...
528 (override_options): Here.
530 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
534 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
536 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
537 ("iorqi3"): Likewise.
538 ("xorqi3"): Likewise.
539 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
540 ("*subhi3_sp): Likewise.
541 ("*subhi3"): Likewise.
542 ("extendhisi2"): Accept D, X and Y as source operand to avoid
545 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
547 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
548 * config/freebsd.h: Likewise.
549 * config/linux.h: Likewise.
550 * config/openbsd.h: Likewise.
551 * config/alpha/linux-elf.h: Likewise.
552 * config/arm/linux-elf.h: Likewise.
553 * config/d30v/d30v.h: Likewise.
554 * config/fr30/fr30.h: Likewise.
555 * config/ia64/aix.h: Likewise.
556 * config/ia64/ia64.h: Likewise.
557 * config/mips/linux.h: Likewise.
558 * config/pj/pj.h: Likewise.
559 * config/rs6000/linux.h: Likewise.
560 * config/sparc/linux.h: Likewise.
561 * config/sparc/linux64.h: Likewise.
563 2001-07-20 Bruce Korb <bkorb@gnu.org>
565 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
566 because getc() and char* may disagree on signedness.
568 2001-07-20 Richard Henderson <rth@redhat.com>
570 * doc/rtl.texi (REG_DEAD): Update for current semantics.
572 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
573 insns to delete in the presence of cc0 in a jump insn.
575 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
576 Jan Hubicka <jh@suse.cz>
578 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
579 of doing the change by hand.
581 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
583 * rtlanal.c (set_noop_p): Return true for noop jumps.
585 * expr.c (emit_single_push_insn): Add call to push expander.
586 * expr.h (optab_index): Add OTI_push
587 (push_optab): New constant.
588 * genopinit.c (optabs): Add push_optab.
589 * optabs.c (init_optab): Init push optab.
590 * md.texi (push??1): Document
592 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
594 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
595 expand to emit the pattern; put a REG_INC note for push/pop
597 ("movdf", "movdf_internal"): Likewise.
598 ("movsi", "movsi_internal"): Likewise.
599 ("movsf", "movsf_internal"): Likewise.
600 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
602 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
604 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
607 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
609 * params.def: Change default max inline insns to 100.
611 2001-07-20 Diego Novillo <dnovillo@redhat.com>
613 * combine.c (combine_simplify_rtx): Generate a new shift operation
614 when simplifying the first operand of a (neg (ashift)) expression.
616 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
618 * regclass.c (N_REG_INTS): Use only 32 bits per element.
620 2001-07-20 Kelley Cook <kelley.cook@home.com>
622 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
623 information. Move rest into ...
624 (*-*-solaris): ... here. Eliminate redundant information and
625 reword necessary packages section. Delete 4.x assembler bug info.
626 (sparc-sun-*): Merge into ...
627 (sparc-sun-sunos*): here.
629 2001-07-20 Catherine Moore <clm@redhat.com>
631 * config/v850/v850.md (casesi): Generate LABEL_REF
634 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
636 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
637 * i386.c (ix86_zero_extend_to_Pmode): Make global.
638 * i386.md (strclrsi expander): Use it.
640 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
642 * integrate.c (copy_insn_list): handle
643 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
644 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
645 identically as to CODE_LABEL.
647 * fold-const (fold): Convert A/B/C to A/(B*C) and
650 * except.c (connect_post_landing_pads): Delete the RESX insns.
652 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
654 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
656 * config/mips/mips.md (nmadd/nmsub): Use macro.
658 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
660 * cppinit.c (remove_dup_dir): Make static.
661 (remove_dup_dirs): Make static. Only warn about preempting a
662 system directory with a non-system directory.
664 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
666 * ifcvt.c (noce_try_store_flag_constants): Correct order
667 of parameters to trunc_int_for_mode.
669 2001-07-19 Mark Mitchell <mark@codesourcery.com>
671 * reorg.c (fill_simple_delay_slots): If an instruction might throw
672 an exception that will be caught within this function, do not fill
673 its delay slot with any subsequent instruction.
675 2001-07-19 Steve Ellcey <sje@cup.hp.com>
677 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
678 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
679 pointer extension instruction.
680 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
681 * simplify-rtx.c (simplify_unary_operation) Likewise.
682 * explow.c (convert_memory_address) Check value of
683 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
685 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
686 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
687 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
688 Add Multilib Support.
689 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
690 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
691 Add Multilib Support.
692 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
694 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
695 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
696 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
698 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
700 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
701 old and new operands in `<', `3' and `b'.
703 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
705 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
706 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
707 (toplev.o): Don't depend on xcoffout.h.
708 * c-decl.c: Include debug.h
709 (duplicate_decls): Use debug hook.
710 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
711 (dbx_debug_hooks, xcoff_debug_hooks): Update.
712 (dbxout_types): Remove.
713 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
714 * debug.c (do_nothing_debug_hooks): Update.
715 (debug_true_tree, debug_nothing_rtx): New.
716 * debug.h (struct rtx_def): New.
717 (struct gcc_debug_hooks): New hooks ignore_block,
718 outlining_inline_function and label.
719 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
720 dwarf2out_frame_finish): New.
721 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
722 Make static, update prototype.
723 (dwarf2_debug_hooks): Update.
724 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
725 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
726 * dwarfout.c (dwarf_debug_hooks): Update.
727 * emit-rtl.c: Include debug.h.
728 (remove_unnecessary_notes): Use debug hook.
729 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
730 (final_scan_insn): Use debug hook.
731 * integrate.c (output_inline_function): Use debug hook.
732 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
733 (sdb_debug_hooks): Update.
734 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
735 * toplev.c: Don't include xcoffout.h.
736 (note_outlining_of_inline_function, debug_ignore_block): Remove.
737 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
739 * tree.h (dwarf2out_do_frame): Remove.
741 2001-07-19 Catherine Moore <clm@cygnus.com>
743 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
745 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
747 * reload1.c (eliminate_regs_in_insn): When updating a set
748 to the frame pointer to the hardware frame pointer, perform
749 the update always not just when REPLACE is set.
751 * reload1.c (choose_reload_regs): Don't inherit a reload
752 that crosses multiple registers if registers past the first
753 don't fit in the desired class.
755 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
756 when negating constants.
758 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
760 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
761 * doc/tree.texi: Ditto.
763 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
764 Jakub Jelinek <jakub@redhat.com>
766 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
767 (extract_cie_info): Handle "eh" augmentation properly,
769 (struct frame_state, __frame_state_for): New.
771 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
773 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
774 HANDLE_SYSV_PRAGMA): Define.
775 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
777 (copy_object): Caller changed.
779 2001-07-19 Andreas Schwab <schwab@suse.de>
781 * configure.in (assembler dwarf2 debug_line support): Define nop
783 * configure: Regenerated.
785 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
787 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
789 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
790 to conditionally compiled block.
791 (dbx_debug_hooks, xcoff_debug_hooks): Update.
792 * dbxout.h (dbxout_function): Remove.
793 * debug.c (do_nothing_debug_hooks): Update.
794 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
795 global_decl, deferred_inline_function.
796 * dwarf2out.c (dwarf2_debug_hooks): Update.
797 (dwarf2out_global_decl): New.
798 * dwarfout.c: Don't include dwarfout.h.
799 (dwarfout_global_decl, dwarfout_function_decl,
800 dwarfout_deferred_inline_function): New.
801 (dwarf_debug_hooks): Update.
802 * dwarfout.h: Remove.
803 * final.c: Don't include dwarfout.h.
804 * sdbout.c (sdbout_global_decl): New.
805 (sdbout_debug_hooks): Update.
806 * toplev.c: Don't include dwarfout.h.
807 (check_global_declarations, rest_of_compilation): Use new debug hooks.
808 (note_deferral_of_defined_inline_function): Remove.
809 * toplev.h (note_deferral_of_defined_inline_function): Remove.
810 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
811 * ch/lex.c: Don't include dwarfout.h.
812 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
813 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
814 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
815 * cp/optimize.c: Include debug.h.
816 (maybe_clone_body): Use debug hook.
817 * cp/semantics.c: Include debug.h.
818 (expand_body): Use debug hook.
819 * po/POTFILES.in: Remove dwarfout.h.
821 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
823 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
824 * c-parse.in (yyerror, _yylex): Similarly.
825 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
826 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
828 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
829 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
831 2001-07-18 Jeff Sturm <jsturm@one-point.com>
833 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
834 in-class declaration at -g1. Fixes c++/2814.
836 2001-07-18 Richard Henderson <rth@redhat.com>
838 * doc/md.texi (reload_in/out): Document restrictions in predicates
839 and constraints for these patterns. Document empty string matching
842 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
844 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
846 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
848 * cse.c: Undo my previous patch.
850 2001-07-18 Tom Tromey <tromey@redhat.com>
853 * configure: Rebuilt.
854 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
856 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
858 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
859 Jan Hubicka <jh@suse.cz>
861 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
862 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
863 * jump.c (mark_jump_label): Do not forward branches.
865 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
867 * cse.c (delete_trivially_dead_insns): Delete the libcall block
868 when return value is unused.
870 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
872 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
874 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
876 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
877 on error. We can't blindly return the result of
878 pthread_mutex_trylock because it returns a positive number on
879 error, while we must return -1 on error.
880 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
882 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
884 2001-07-18 Andreas Jaeger <aj@suse.de>
886 * integrate.c (output_inline_function): Correct type of debug_hooks.
888 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
890 * combine.c (combine_simplify_rtx): DIV can be treated
891 associatively for floats if unsafe math optimisations are enabled.
893 2001-07-17 Richard Henderson <rth@redhat.com>
895 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
897 2001-07-17 Richard Henderson <rth@redhat.com>
899 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
900 don't force the function address into a register.
901 (expand_call, emit_library_call_value_1): Update callers.
902 * builtins.c (expand_builtin_apply): Likewise.
903 * expr.h (prepare_call_address): Update decl.
905 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
907 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
909 * config/i386/chorus.h: Move up.
910 * config/sparc/chorus.h: Likewise.
911 * config/rs6000/chorus.h: Likewise.
912 * config/chorus.h: Moved here.
914 2001-07-17 Andreas Schwab <schwab@suse.de>
916 * configure.in (assembler eh_frame optimization): Handle big
918 * configure: Regenerated.
920 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
922 * expr.c (epxand_expr): Convert divisions into multiplications by
923 reciprocals if -ffast-math.
925 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
927 * dbxout.c (dbxout_really_begin_function): Rename to
928 dbxout_begin_function.
929 (dbx_debug_hooks, xcoff_debug_hooks): Update.
930 (dbxout_begin_function): Remove.
931 (dbxout_function): Update.
932 (dbxout_source_line): Update prototype.
933 * dbxout.h (dbxout_begin_function): Remove.
934 * debug.c (do_nothing_debug_hooks): Update.
935 (debug_nothing_tree): Update.
936 (debug_nothing_charstar_rtx): Remove.
937 * debug.h (union tree_node): Declare.
938 (struct rtx_def): Remove.
939 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
940 begin_function. Change source_line prototype.
941 (debug_nothing_tree): New.
942 (debug_nothing_charstar_rtx): Delete.
943 (dwarf2out_begin_prologue): Moved from ...
945 * dwarf2out.c (dwarf2_debug_hooks): Update.
946 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
947 debug info, call dwarf2out_source_line.
948 (dwarf2out_souce_line): Update prototype.
949 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
950 Change prototype, make static.
951 (dwarfout_source_line): Update prototype.
952 (dwarf_debug_hooks): Update.
953 * dwarfout.h (dwarfout_begin_function): Remove.
954 * final.c (final_start_function, final_scan_insn): Use appropriate
955 debug hooks, update to use notice_source_line.
956 (output_source_line): Rename notice_source_line. Don't call the
957 source_line debug hook.
958 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
959 make static, update prototype.
960 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
962 (sdbout_end_prologue): New.
963 (sdbout_source_line): Update prototype.
964 (sdbout_debug_hooks): Update.
965 (sdbout_symbol): Remove unused var.
966 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
968 * varasm.c: Include debug.h.
969 (assemble_start_function): Use begin_function debug_hook.
970 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
971 update with prototype.
972 (xcoffout_source_line): Update prototype.
973 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
975 (xcoffout_source_line): Update prototype.
977 2001-07-17 Richard Henderson <rth@redhat.com>
979 * c-typeck.c (build_binary_op): Do not shorten unsigned
980 right shift after sign extension.
982 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
984 * combine.c (combine_simplify_rtx): Attempt to simplify
985 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
987 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
988 (simplify_binary_operation, simplify_unary_operation,
989 simplify_relational_operation): Use it.
991 * combine.c (combine_simplify_rtx): Don't do associative law
992 on divisions; allow associative law on floats.
994 2001-07-17 H.J. Lu <hjl@gnu.org>
995 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
997 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
998 ASM_OUTPUT_WEAK_ALIAS are defined.
999 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
1000 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
1002 * config/mips/iris5.h: ... here.
1003 (HANDLE_SYSV_PRAGMA): Defined as 1.
1004 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
1005 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
1008 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
1010 * c-parse.in (all_prefix_attributes): New variable.
1011 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
1012 (maybe_resetattrs): New production.
1013 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
1014 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
1015 notype_initdcl, nested_function, notype_nested_function,
1016 component_decl, components, components_notype,
1017 component_declarator, component_notype_declarator,
1018 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
1019 ivars, mydecl, myparm): Update. Avoid prefix attributes just
1020 after a comma being applied to more than one declarator.
1021 * doc/extend.texi (Attribute Syntax): Update. Remove
1022 documentation of bugs that are no longer present.
1024 2001-07-13 Eric Christopher <echristo@redhat.com>
1026 * config/mips/mips.h: Change TUNE_MIPS* options to use
1028 (EXTRA_SPECS): Add cc1_cpu_spec.
1029 * config/mips/mips.md (muldf3): Fix typo.
1031 2001-07-16 Richard Henderson <rth@redhat.com>
1033 * config/m68k/m68k.c: Include expr.h and reload.h.
1034 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
1035 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
1037 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1038 Richard Henderson <rth@redhat.com>
1040 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
1041 (insn_live_p): Fix fall off end of function.
1042 (dead_libcall_p): Remove COUNTS argument; update callers.
1043 (delete_trivially_dead_insns): Remove unused variables.
1045 2001-07-17 Andreas Jaeger <aj@suse.de>
1047 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
1050 * lcm.c (optimize_mode_switching): Avoid warning for unused
1051 variable if !NORMAL_MODE.
1053 * flow.c (try_crossjump_to_edge): Remove unused variable.
1055 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1057 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
1058 atexit declaration in stdlib.h.
1060 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
1062 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
1064 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1066 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
1067 * except.c (finish_eh_generation): Update call of cleanup_cfg;
1068 do rebuild_jump_labels instead of jump_optimize
1069 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
1070 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
1071 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
1073 * flow.c: Include timevar.h
1074 (find_basic_block): Push/pop timevar;
1075 (cleanup_cfg): Likewise.
1076 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
1077 * Makefile: Add dependencies on timevar.h
1079 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
1080 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
1082 * rtl.h (delete_trivially_dead_insns): Add new parameter.
1083 * toplev.c (rest_of_compilation): Update calls.
1084 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
1085 (delete_trivially_dead_insns): ... here; accept new argument
1086 preserve_basic_blocks; preserve basic blocks if set.
1088 * reg-stack.c (stack_regs_mentioned): Return 0 if
1089 stack_regs_mentioned_data is not initialized.
1090 (reg_to_stack): Make stack_regs_mentioned survive after the
1091 reg-stack is completted; do not call cleanup_cfg.
1092 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
1093 make cleanup_cfg after bb-reorder to output to debug file.
1095 2001-07-16 Richard Henderson <rth@redhat.com>
1097 * regclass.c (init_reg_sets): Use only 32 bits per initializer
1098 from int_reg_class_contents.
1100 2001-07-16 Richard Henderson <rth@redhat.com>
1102 * hard-reg-set.h (regs_invalidated_by_call): Declare.
1103 * regclass.c (regs_invalidated_by_call): Move from cse.c.
1104 (init_reg_sets_1): Move initialization from cse_main.
1105 * cse.c (regs_invalidated_by_call): Move to regclass.c.
1106 (cse_main): Move its initialization also.
1107 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
1108 * flow.c (propagate_one_insn): Likewise.
1109 * gcse.c (compute_hash_table): Likewise.
1110 (compute_kill_rd, compute_store_table): Likewise.
1111 * sched-deps.c (sched_analyze_1): Likewise.
1113 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
1115 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
1118 2001-07-16 Steve Ellcey <sje@cup.hp.com>
1120 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
1121 in if statement so we don't access undefined memory.
1123 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1125 * gcse.c: Update comment at top.
1126 Update comment on mem handling.
1127 mem_last_set, mem_first_set, mem_set_in_block: gone.
1128 Declaration of reg_set_info: gone.
1129 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
1130 pointless with load_killed_in_block_p (they are *more*
1131 conservative then it, not less, and less accurate).
1132 (oprs_not_set_p): Ditto.
1133 (alloc_gcse_mem): Don't allocate mem_set_in_block
1134 (free_gcse_mem): Don't free it, either.
1135 (record_last_mem_set_info): Update comment in front, remove
1136 mem_*set_* stuff. Note the reason we don't handle stores directly
1138 (compute_hash_table): Update comments to reflect reality. Remove
1139 mem_*set_* references.
1140 (reset_opr_set_tables): Remove mem_*set_* references.
1142 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
1143 (mark_clobber): Ditto (on both parts, we double set here too).
1144 (expr_killed_p): Remove mem_set_in_block test.
1145 (compute_transp): Remove mem_set_in_block test.
1147 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
1148 of edge, and removal of phi alternative to dump file.
1149 (ssa_ccp_substitute_constants): Add note about register now being
1150 constant, and which uses were replaced in what insns to dump file.
1152 2001-07-16 Andreas Jaeger <aj@suse.de>
1154 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
1155 variables of type HOST_WIDEST_INT.
1157 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
1158 (__bb_exit_func): Correct type of count_max to avoid overflow.
1159 (num_digits): Handle long long argument.
1161 * combine.c (gen_lowpart_for_combine): Remove unused variable.
1163 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1165 * output.h (sdb_begin_function_line): Restore as an extern
1167 * sdbout.c (sdb_begin_function_line): Make extern.
1169 2001-07-15 Richard Henderson <rth@redhat.com>
1171 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
1172 * genrecog.c (maybe_both_true_mode): New.
1173 (maybe_both_true_2): Use it.
1174 (write_switch): Don't put Pmode in a switch.
1175 * rtl.c (mode arrays): Don't explicitly size them.
1177 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1179 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
1180 handling; move unconditional splitting before mode switching.
1182 * i386.md (type): Add fistp type.
1183 (i387, length_attr, scheduling definitions): Handle this type.
1184 (fix_trunc?f?i2): Revamp to use mode switching.
1185 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
1186 * i386.h (fp_cw_mode): New enum
1187 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
1188 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
1190 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1192 * Makefile.in (integrate.o): Add debug.h.
1193 * integrate.c (debug.h): Add.
1194 (output_inline_function): Save, reset, and restore debug_hooks.
1196 2001-07-15 Richard Henderson <rth@redhat.com>
1198 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
1199 instead of COMPARE for the EQUIV expression.
1201 2001-07-15 Richard Henderson <rth@redhat.com>
1203 * flow.c (redirect_edge_and_branch_force): Initialize
1204 global_live_at_start and global_live_at_end.
1205 (allocate_bb_life_data): Export.
1206 * basic-block.h (allocate_bb_life_data): Declare.
1207 * toplev.c (rest_of_compilation): Call it.
1209 2001-07-15 Richard Henderson <rth@redhat.com>
1211 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
1212 (alpha_tablejump_best_label): New.
1213 * config/alpha/alpha-protos.h: Declare them.
1214 * config/alpha/alpha.md: Use braced strings for code blocks.
1215 (tablejump_osf): Break out add with r29.
1216 (tablejump_osf_internal): Remove.
1217 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
1218 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
1220 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1222 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
1225 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
1227 * i386-protos.h (ix86_split_fp_branch): Update prototype.
1228 (ix86_fp_jump_nontrivial_p): New.
1229 * i386.md (fp_jcc_?): Update call of split_fp_branch;
1230 use ix86_fp_jump_nontrivial_p.
1231 * i386.c (ix86_fp_jump_nontrivial_p): New.
1232 (ix86_split_fp_branch): Accept code instead of rtx.
1233 (ix86_expand_compare): Expand comparison early in case
1234 doing so is resonably cheap.
1236 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
1238 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
1240 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
1241 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
1243 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
1245 * dbxout.c (dbxout_source_line): Make static, update prototype.
1246 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
1247 (dbxout_init, dbxout_finish, dbxout_source_line,
1248 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
1249 * dbxout.h (dbxout_source_line): Delete.
1250 * debug.c (debug_nothing_file, debug_nothing_file_int,
1251 debug_nothing_file_charstar_rtx): New.
1252 (do_nothing_debug_hooks): Update.
1253 (debug_nothing_void, debug_nothing_charstar_rtx,
1254 dwarf2out_end_epilogue): New.
1255 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
1256 * debug.h (struct rtx_def): Declare.
1257 (gcc_debug_hooks): New hooks source_line, end_epilogue
1259 (debug_nothing_void, debug_nothing_charstar_rtx,
1260 dwarf2out_end_epilogue): New.
1261 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
1262 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
1263 (dwarf2_debug_hooks): Update.
1264 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
1265 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
1266 * dwarf2out.h (dwarf2out_source_line): Remove.
1267 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
1268 Make static, update prototype.
1269 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
1270 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
1271 (dwarf_debug_hooks): Update.
1272 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
1273 dwarfout_end_function): Remove.
1274 * final.c (profile_function): Use debug hooks for ending functions
1276 (output_source_line, final_end_function): Update prototype,
1278 (final_start_function, final_scan_insn): Update.
1279 * output.h (sdb_begin_function_line): Remove.
1280 (final_end_function): Update prototype.
1281 * sdbout.c (sdb_begin_function_line): Make static.
1282 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
1283 (sdbout_source_line): New.
1284 (sdbout_end_epilogue, sdbout_end_function): Make static, update
1286 (sdb_debug_hooks): Update.
1287 (sdbout_init, sdbout_source_line,
1288 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
1289 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
1290 * toplev.c (compile_file, rest_of_compilation): Update.
1291 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
1292 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
1293 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
1294 Update for prototype changes.
1295 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
1296 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
1298 2001-07-15 Richard Henderson <rth@redhat.com>
1300 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
1301 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
1302 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
1303 * config/alpha/alpha.c: Likewise.
1304 * config/alpha/alpha.md: Likewise.
1305 * config/alpha/alpha32.h: Likewise.
1306 * config/alpha/vms.h: Likewise.
1309 2001-07-14 Richard Henderson <rth@redhat.com>
1311 * config/alpha/alpha.md: Use define_constants for unspec values.
1312 Substitute throughout.
1314 2001-07-14 Tim Josling <tej@melbpc.org.au>
1316 * tree.def (EXPON_EXPR) remove. Never supported anyway.
1318 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
1320 * pa.md: Remove unused constraints from define_split's.
1322 2001-04-14 Richard Henderson <rth@redhat.com>
1324 * ifcvt.c (find_cond_trap): Test for exit block.
1326 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
1328 Re-install recently reverted patch.
1329 * emit-rtl.c (try_split): Update mark_jump_label call.
1330 * flow.c (find_sub_basic_blocks): Likewise.
1331 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
1333 (mark_all_labels): Kill second parameter.
1334 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
1335 (rebuild_jump_labels, jump_optimize_minimal): Update call
1337 (jump_optimize_1): Kill crossjumping code.
1338 (mark_jump_label): Kill cross_jump parameter.
1339 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
1340 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
1341 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
1343 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
1345 (dump_file_info): Likewise.
1346 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
1347 reorganize passes to do reg-stack first, bb-reorder second.
1348 * invoke.texi (-d letters doc): Remove the jump2 pass.
1350 2001-07-14 Richard Henderson <rth@redhat.com>
1352 * ifcvt.c (find_cond_trap): New.
1353 (find_if_header): Call it.
1354 (merge_if_block): Relax existing jump sanity check.
1355 * jump.c (jump_optimize_1): Remove conditional trap handling.
1357 2001-07-14 Alan Modra <amodra@bigpond.net.au>
1359 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
1361 (insn_refs_are_delayed): Correct comment.
1362 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
1363 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
1364 instead of r31. Make associated insn !TARGET_64BIT, and
1365 provide an additional 64-bit insn that clobbers r2.
1367 (udivsi3): Likewise.
1369 (umodsi3): Likewise.
1371 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
1373 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
1375 * flow.c (redirect_edge_and_branch_force, split_edge,
1376 try_crossjump_to_edge): Use set_block_for_new_insns.
1377 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
1379 2001-07-13 H.J. Lu (hjl@gnu.org)
1381 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
1384 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
1386 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
1388 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
1390 * c-common.c (decl_attributes): Take a pointer to the node to
1391 which attributes are to be attached, and a flags argument.
1392 * c-common.h (enum attribute_flags): New.
1393 (decl_attributes): Update prototype.
1394 * c-decl.c (start_decl, push_parm_decl, finish_struct,
1395 finish_enum, start_function): Update calls to decl_attributes.
1396 * c-parse.in (component_declarator, component_notype_declarator,
1397 label): Update calls to decl_attributes.
1399 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
1401 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
1402 * config/avr/avr.c (legitimate_address_p): Return value changed
1403 from letter to register classes. For better debugging.
1405 2001-07-13 Kazu Hirata <kazu@hxi.com>
1407 * jump.c (reversed_comparison_code_parts): Fix comment typos.
1409 2001-07-13 H.J. Lu (hjl@gnu.org)
1411 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
1413 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
1415 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
1416 correctly for shared configurations.
1417 * config/t-libgcc-pic: New.
1418 * config/{i386,m68k,sparc}/t-openbsd: New.
1419 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
1420 Support -shared. Support debugging libraries with -g.
1421 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
1422 frame information does not emit pointer diffs.
1423 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
1426 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
1428 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
1430 2001-07-13 David Edelsohn <edelsohn@gnu.org>
1432 * combine.c (try_combine): Ensure const_int pow2 is positive.
1434 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
1436 * config.gcc: Add configuration for s/390.
1437 * config/s390/s390.c: New. Subroutines for code generation.
1438 * config/s390/s390.h: New. Definitions for s/390.
1439 * config/s390/s390-protos.h: New. Prototypes.
1440 * config/s390/linux.h: New. Definitions for linux for s/390.
1441 * config/s390/linux64.h: New. Definitions for linux for zSeries.
1442 * config/s390/t-linux: New. Makefile fragment.
1443 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
1444 * config/s390/fixdfdi.h: New. Fix L_fix*di.
1446 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1448 * emit-rtl.c (try_split): Update mark_jump_label call.
1449 * flow.c (find_sub_basic_blocks): Likewise.
1450 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
1452 (mark_all_labels): Kill second parameter.
1453 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
1454 (rebuild_jump_labels, jump_optimize_minimal): Update call
1456 (jump_optimize_1): Kill crossjumping code.
1457 (mark_jump_label): Kill cross_jump parameter.
1458 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
1459 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
1460 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
1462 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
1464 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
1465 reorganize passes to do reg-stack first, bb-reorder second.
1466 * invoke.texi (-d letters doc): Remove the jump2 pass.
1468 2001-07-12 Steve Ellcey <sje@cup.hp.com>
1470 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
1472 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1474 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
1476 (verify_flow_info): Make diagnostics prettier.
1478 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1480 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
1482 * flow.c (outgoing_edges_match): Return early if condition reversal
1485 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
1487 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
1488 (mips_move_2words): When splitting a move into two instructions,
1489 prefix the second address operand with '%D'.
1491 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
1493 * Makefile.in (final.o): Depend on debug.h.
1494 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
1495 (dbx_debug_hooks): Add new hooks.
1496 (xcoff_debug_hooks): New.
1497 * debug.c (debug_nothing_file_int_int): New.
1498 (do_nothing_debug_hooks): Update.
1499 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
1500 (debug_nothing_file_int_int): New.
1501 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
1502 static, update prototype.
1503 (dwarf2_debug_hooks): Update.
1504 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
1505 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
1506 static, update prototype.
1507 (dwarf_debug_hooks): Update.
1508 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
1509 * final.c: Include debug.h.
1510 (final_scan_insn): Use debug hooks when beginning and ending blocks.
1511 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
1512 static, update prototype.
1513 (sdb_debug_hooks): Update.
1514 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
1515 * toplev.c: Distinguish between xcoff and dbx.
1517 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
1518 Call all debug hooks, not just dwarf ones.
1520 2001-07-11 Timothy Wall <twall@redhat.com>
1522 * config.gcc: Add configuration for AIX5/IA64.
1523 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
1524 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
1525 support prefix/suffix code.
1526 * config/ia64/t-aix: New. Makefile fragment.
1527 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
1529 2001-07-11 Kazu Hirata <kazu@hxi.com>
1531 * recog.c (validate_change): Fix a comment typo.
1533 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
1535 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
1536 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
1538 * dbxout.c (dbx_debug_hooks): Add new hooks.
1539 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
1541 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
1543 * dbxout.h (dbxout_start_new_source_file,
1544 dbxout_resume_previous_source_file): Delete.
1545 * debug.c (do_nothing_debug_hooks): Add new hooks.
1546 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
1547 (debug_nothing_int_charstar, debug_nothing_int): New.
1548 * debug.h (gcc_debug_hooks): New hooks define, undef,
1549 start_source_file and end_source_file.
1550 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
1551 (debug_nothing_int_charstar, debug_nothing_int): New.
1552 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
1553 the conditionally compiled section.
1554 (dwarf2out_start_source_file, dwarf2out_end_source_file,
1555 dwarf2out_define, dwarf2out_undef): Make static.
1556 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
1557 dwarf2out_define, dwarf2out_undef): Remove.
1558 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
1559 (dwarfout_start_source_file, dwarfout_end_source_file,
1560 dwarfout_define, dwarfout_undef): Make static.
1561 (dwarfout_start_source_file_check,
1562 dwarfout_end_source_file_check): New.
1563 (dwarfout_define, dwarfout_finish): Update.
1564 * dwarfout.h (dwarfout_start_new_source_file,
1565 dwarfout_resume_previous_source_file, dwarfout_define,
1566 dwarfout_undef): Remove.
1567 * sdbout.c (sdb_debug_hooks): Add new hooks.
1568 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
1570 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
1571 make static, take an arg.
1572 * sdbout.h (sdbout_start_new_source_file,
1573 sdbout_resume_previous_source_file): Delete.
1574 * toplev.c (debug_start_source_file, debug_end_source_file,
1575 debug_define, debug_undef): Delete.
1576 * toplev.h (debug_start_source_file, debug_end_source_file,
1577 debug_define, debug_undef): Delete.
1579 * java/jcf-parse.c: Include debug.h.
1580 (parse_class_file): Update to use debug hooks directly.
1581 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
1583 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1585 * alias.c (set_mem_alias_set): New function.
1586 * rtl.h (set_mem_alias_set): Declare it.
1587 * builtins.c (expand_builtin_return_addr): Call it instead of
1588 using MEM_ALIAS_SET accessor.
1589 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
1590 (get_memory_rtx, expand_builtin_va_arg): Likewise.
1591 (expand_builtin_va_copy):Likewise.
1592 * caller-save.c (setup_save_areas): Likewise.
1593 * calls.c (compute_argument_addresses): Likewise.
1594 * explow.c (set_mem_attributes): Likewise.
1595 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
1596 (expand_assignment, store_constructor_field, store_field): Likewise.
1597 (expand_expr_unaligned): Likewise.
1598 * function.c (assign_stack_temp_for_type): Likewise.
1599 (put_reg_into_stack, gen_mem_addressof): Likewise.
1600 * ifcvt.c (noce_try_cmove_arith): Likewise.
1601 * reload1.c (reload, alter_reg): Likewise.
1602 * config/alpha/alpha.c (get_aligned_mem): Likewise.
1603 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
1604 (alpha_expand_unaligned_store): Likewise
1605 (alpha_expand_unaligned_load_words): Likewise.
1606 (alpha_expand_unaligned_store_words): Likewise.
1607 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
1608 (alpha_expand_epilogue): Likewise.
1609 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
1610 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
1611 * config/i386/i386.c (legitimize_pic_address): Likewise.
1612 * config/i960/i960.c (setup_incoming_varargs): Likewise.
1613 * config/ia64/ia64.c (spill_restore_mem): Likewise.
1614 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
1615 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
1616 * config/mips/mips.c (mips_va_arg): Likewise.
1617 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
1618 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
1619 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
1620 (setup_incoming_varargs, rs6000_va_arg): Likewise.
1621 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
1622 (rs6000_emit_epilogue): Likewise.
1623 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
1624 * config/sparc/sparc.c (sparc_va_arg): Likewise.
1625 * config/v850/v850.c (v850_va_arg): Likewise.
1627 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1629 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
1630 when fallthru edge is present.
1631 (mege_blocks): Handle case where creation of jump insn
1634 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
1635 CLEANUP_POST_REGSTACK): New constants.
1636 * except.c (finish_eh_generation): Update call of cleanup_cfg,
1637 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
1638 * output.h (cleanup_cfg): Update prototype.
1639 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
1640 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
1641 cleanup_cfg call; kill missleading comment.
1642 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
1643 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
1644 parameter; control optimizations performed using it.
1645 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1646 try_crossjump_bb): New functions.
1648 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
1650 * pa.c (pa_output_function_prologue): Delete prototype. Make function
1652 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
1653 pa_output_function_prologue.
1654 * pa-protos.h (pa_output_function_prologue): New prototype.
1656 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
1658 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
1659 and low to get correct sign extension in low+high test.
1661 2001-07-11 Janis Johnson <janis@us.ibm.com>
1663 * gcov.c (arcdata): Use gcov_type to fix branch percentage
1664 for large hit count.
1666 * profile.c (branch_prob): Fix .bbg info for computed gotos
1669 2001-07-11 Mark Mitchell <mark@codesourcery.com>
1671 * stmt.c (parse_output_constraint): New function, split out
1673 (expand_asm_operands): ... here. Use parse_output_constraint.
1674 * tree.h (parse_output_constraint): Declare it.
1676 2001-07-11 Richard Henderson <rth@redhat.com>
1678 * bitmap.c: Comment some functions; fiddle whitespace.
1679 (bitmap_free): Don't export.
1680 (bitmap_element_allocate): Use memset.
1681 * bitmap.h (bitmap_free): Don't declare.
1683 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
1685 * gcse.c, lcm.c, sched-deps.c:
1686 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
1688 * flow.c (flow_loops_find): Free dom if we found no loops, since
1689 we aren't going to save it.
1691 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
1694 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
1696 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
1698 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1700 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
1701 #ifndef DWARF2_DEBUGGING_INFO.
1703 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
1705 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
1707 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
1709 * config/mips/mips.c (gen_int_relational): Tell the caller not to
1710 reverse a branch if a NE comparison is implemented with GTU.
1712 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
1713 H.J. Lu <hjl@gnu.org>
1715 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
1717 (call_internal2): Likewise.
1718 (call_value_internal1): Likewise.
1719 (call_value_internal2): Likewise.
1720 (call_value_multiple_internal1): Likewise.
1721 (call_value_multiple_internal2): Likewise.
1723 2001-07-10 Kazu Hirata <kazu@hxi.com>
1725 * calls.c (emit_library_call_value_1): Fix a comment typo.
1726 * dwarf2out.c (mem_loc_descriptor): Likewise.
1727 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
1729 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
1731 * simplify-rtx.c (simplify_subreg): Fix typo in comment
1733 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1735 * recog.c (offsettable_address_p): Handle LO_SUM case.
1736 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
1737 instead of plus_constant.
1739 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1741 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
1742 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
1744 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1746 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
1747 adjust_address_nv instead of plus_constant.
1749 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
1751 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
1752 dwarf2out.o): Depend on debug.h, wrap long lines.
1753 * dbxout.c: Include debug.h.
1754 (dbx_debug_hooks): New.
1755 (dbxout_init): Make static, take just 2 args.
1756 (dbxout_finish): Make static.
1757 * dbxout.h (dbxout_init, dbxout_finish): Delete.
1758 * debug.c: New file.
1759 * debug.h: New file.
1760 * dwarf2out.c: Include debug.h.
1761 (dwarf2_debug_hooks): New.
1762 (dwarf2out_init): Make static.
1763 (dwarf2out_finish): Make static, take 2 args.
1764 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
1765 * dwarfout.c: Include debug.h.
1766 (dwarf_debug_hooks): New.
1767 (dwarfout_init): Make static.
1768 (dwarfout_finish): Make static, take 2 args.
1769 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
1770 * sdbout.c: Include debug.h.
1771 (sdb_debug_hooks): New.
1772 (sdbout_init): Make static, take 2 args.
1773 * sdbout.h (sdbout_init): Delete.
1774 * toplev.c: Include debug.h.
1776 (compile_file): Set deubg_hooks based on command line options.
1777 Use the hooks unconditionally rather than conditional compilation.
1779 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
1781 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
1782 first_insn_after_basic_block_note instead.
1784 * df.c (df_bb_refs_unlink): #if 0 out for now.
1786 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
1788 * ssa.h: Add prototype for ssa_const_prop
1789 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
1790 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
1791 (ssa_fast_dce): Remove unused variable
1793 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1795 * diagnostic.c (finish_diagnostic): Rename to
1796 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
1799 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
1801 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
1804 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
1805 (dump_file): Only pad the demangled name with spaces if the
1806 mangled name was padded with spaces.
1808 2001-07-10 Bernd Schmidt <bernds@redhat.com>
1810 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
1813 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1815 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
1816 extraction if no direct load if either EXPAND_CONST_ADDRESS or
1819 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
1820 whether can put offset inside LO_SUM to check mode alignment, not size.
1822 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1824 * doc/tm.texi (Misc): Fix thinko.
1826 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
1828 * regmove.c (replace_in_call_usage): Fix warnings.
1829 * sched-deps.c (add_dependence): Fix warnings.
1830 * simplify-rtx.c (simplify_subreg): Likewise.
1831 Return NULL_RTX instead of NULL.
1833 * reg-stack.c (emit_swap_insn): Eliminate warnings.
1834 (subst_asm_stack_regs): Likewise.
1836 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
1839 * dwarf2out.c (output_call_frame_info): Declare i as int.
1840 (build_abbrev_table): Declare n_alloc as int.
1841 (dwarf2out_finish): Initialize die.
1842 * except.c: Declare sjlj_funcdef_number as unsigned.
1843 (connect_post_landing_pads): Declare j as unsigned.
1844 (convert_to_eh_region_ranges): Initialize call_site.
1845 (output_function_exception_table): Initialize tt_format_size.
1846 * expr.c (move_by_pieces_1): Initialize to1.
1847 (store_constructor): Initialize minelt and maxelt.
1848 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
1849 * function.c (instantiate_decls): Avoid signed/unsigned warning.
1851 * c-decl.c (combine_parm_decls): Unused, remove.
1852 * c-tree.h: Remove prototype for combine_parm_decls.
1854 * reload.c (push_reload): Fix warning.
1855 (regno_clobbered_p): Likewise.
1856 * reload1.c (replace_pseudos_in_call_usage): Likewise.
1857 (reload_combine): Likewise.
1859 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
1860 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
1862 * bitmap.c (bitmap_operation): Change user.
1863 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
1865 2001-07-10 Eric Christopher <echristo@redhat.com>
1867 * config/mips/mips.c (override_options): Fix typo.
1869 2001-07-09 Stan Shebs <shebs@apple.com>
1871 * target.h (struct gcc_target): New fields init_builtins and
1873 * target-def.h (TARGET_INIT_BUILTINS): New macro.
1874 (TARGET_EXPAND_BUILTIN): New macro.
1875 (TARGET_INITIALIZER): Add them.
1876 * builtins.c: Include target.h.
1877 (expand_builtin): Use targetm.expand_builtin.
1878 (default_init_builtins): New function.
1879 (default_expand_builtin): New function.
1880 * expr.h (default_init_builtins): Declare.
1881 (default_expand_builtin): Declare.
1882 * c-common.c (c_common_nodes_and_builtins): Use
1883 targetm.init_builtins.
1884 * defaults.h (MD_INIT_BUILTINS): Remove.
1885 * Makefile.in (builtins.o): Depend on target.h.
1887 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
1888 (TARGET_EXPAND_BUILTIN): Define.
1889 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
1890 (MD_EXPAND_BUILTIN): Remove.
1892 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
1893 (TARGET_EXPAND_BUILTIN): Define.
1894 (c4x_init_builtins): Make endlink arg a local.
1895 (c4x_print_operand): Fix typos in adjust_address usages.
1896 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
1897 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
1898 (MD_EXPAND_BUILTIN): Remove.
1900 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
1901 (TARGET_EXPAND_BUILTIN): Define.
1902 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
1903 (ix86_init_builtins): Call new function only if TARGET_MMX.
1904 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
1905 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
1906 (MD_EXPAND_BUILTIN): Remove.
1908 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
1909 (TARGET_EXPAND_BUILTIN): Define.
1910 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
1911 (MD_EXPAND_BUILTIN): Remove.
1913 * doc/tm.texi: Document these changes.
1915 2001-07-09 Diego Novillo <dnovillo@redhat.com>
1917 * basic-block.h (tree_node): Forward declare if needed.
1918 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
1919 (BLOCK_HEAD_TREE): Define.
1920 (BLOCK_END_TREE): Define.
1921 (struct loops): Rename field 'tree' to 'tree_root'.
1922 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
1924 (flow_loops_tree_build): Rename reference to field 'tree' to
1926 (flow_loops_level_compute): Ditto.
1927 * predict.c (estimate_bb_frequencies): Ditto.
1928 * tree.h (struct tree_common): Add field 'aux'.
1930 2001-07-09 Stan Shebs <shebs@apple.com>
1932 * config/darwin.c (darwin_encode_section_info): Don't mark any
1933 DECL_EXTERNAL node as defined.
1935 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
1937 * pa.c (pa_init_machine_status, pa_mark_machine_status,
1938 pa_free_machine_status, hppa_init_pic_save): Delete.
1939 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
1940 (hppa_profile_hook): Use hppa_pic_save_rtx.
1941 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
1942 hppa_init_pic_save): Delete.
1943 (hppa_pic_save_rtx): Declare.
1944 * pa.md (call, call_value, sibcall, sibcall_value,
1945 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
1947 2001-07-09 Kazu Hirata <kazu@hxi.com>
1949 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
1950 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
1952 2001-07-09 Andreas Jaeger <aj@suse.de>
1954 * output.h: Add declaration of final_forward_branch_p.
1956 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
1958 * varray.c: Include errors.h for internal_error and trim_filename
1961 * Makefile.in (varray.o): Add errors.h.
1963 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
1965 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
1966 * optabs.c (have_add2_insn): Check whether the add insn chosen
1967 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
1968 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
1970 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
1972 * Makefile.in (OBJS): Add ssa-ccp.o
1973 (ssa-ccp.o): Add dependencies.
1974 * toplev.c (DFI_ssa_ccp): New dump file enum.
1975 (dump_file): Add entry for dumping after SSA CCP.
1976 (flag_ssa_ccp): New flag variable.
1977 (f_options): Add -fssa-ccp.
1978 (rest_of_compilation): Run SSA CCP if requested.
1979 * timevar.def (TV_SSA_CCP): New timevar.
1980 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
1981 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
1982 Fix minor typo in SSA DCE documentation.
1983 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
1984 Add documentation for new dump option. Renumber dump files
1987 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1989 * emit-rtl.c (gen_highpart_mode): New.
1990 * rtl.h (gen_highpart_mode): Declare.
1991 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
1992 operand can be VOIDmode constant.
1994 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
1996 * flow.c (redirect_edge_and_branch_force): New.
1997 (can_fallthru): Ensure that basic blocks are succeeding.
1998 (try_optimize_cfg): Do not delete basic block if it is the last one.
2000 * flow.c (try_redirect_by_replacing_jump): Do not remove
2001 jumps with side effects, unlink chain on fallthru edge;
2002 set block for new jump instruction; avoid basic block to
2003 over by line number note.
2005 * flow.c (try_simplify_condjump): Verify that the condjump
2006 is not always falling trought.
2009 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
2011 * flow.c (forwarder_block_p): Fix for fallthru blocks.
2012 (try_redirect_by_replacing_jump): Update properly the count
2013 and frequency information.
2015 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2017 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
2018 address that is a LO_SUM specially.
2019 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
2021 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
2023 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
2024 (operand_subword): Use them.
2025 (change_address_1): Renamed from change_address; new arg VALIDATE.
2026 * expr.h: Reflect above changes; change_address now macro.
2027 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
2029 * cselib.c (add_mem_for_addr): Likewise.
2030 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2031 * regmove.c (try_apply_stack_adjustment): Likewise.
2032 * reload.c (push_reload, make_memloc): Likewise.
2033 * reload1.c (eliminate_regs): Likewise.
2034 * simplify-rtx.c (simplify_replace_rtx): Likewise.
2035 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
2037 * combine.c (make_extraction, simplify_shift_const): Likewise.
2038 (gen_lowpart_for_combine): Likewise.
2039 * cse.c (gen_lowpart_if_possible): Likewise.
2040 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2041 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
2042 * optabs.c (gen_move_insn): Likewise.
2043 * reload1.c (alter_reg): Likewise.
2044 * simplify-rtx.c (simplify_subreg): Likewise.
2045 * stmt.c (expand_anon_union_decl): Likewise.
2046 * recog.c (validate_replace_rtx_1): Likewise.
2048 * Makefile.in (recog.o): Add $(EXPR_H).
2049 * explow.c (stabilize): Call replace_equiv_address.
2050 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
2051 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
2053 2001-07-03 Andrew Haley <aph@redhat.com>
2055 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
2056 the mode of the memory location.
2058 2001-07-09 Bo Thorsen <bo@suse.co.uk>
2060 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
2062 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
2064 * final.c (output_addr_const): Use target opening and
2065 closing parentheses.
2066 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
2067 defaults, add to TARGET_ASM_OUT.
2068 * target.h (struct gcc_target): Add open_paren and close_paren.
2069 * doc/md.texi: Update.
2070 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
2071 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
2072 TARGET_ASM_CLOSE_PAREN.
2073 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2075 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2077 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
2078 * config/a29k/a29k.h: Similarly.
2079 * config/alpha/alpha.h: Similarly.
2080 * config/arc/arc.h: Similarly.
2081 * config/arm/aof.h: Similarly.
2082 * config/arm/aout.h: Similarly.
2083 * config/avr/avr.h: Similarly.
2084 * config/c4x/c4x.h: Similarly.
2085 * config/clipper/clipper.h: Similarly.
2086 * config/convex/convex.h: Similarly.
2087 * config/d30v/d30v.h: Similarly.
2088 * config/dsp16xx/dsp16xx.h: Similarly.
2089 * config/elxsi/elxsi.h: Similarly.
2090 * config/fr30/fr30.h: Similarly.
2091 * config/h8300/h8300.h: Similarly.
2092 * config/i370/i370.h: Similarly.
2093 * config/i386/i386.h: Similarly.
2094 * config/i860/i860.h: Similarly.
2095 * config/i960/i960.h: Similarly.
2096 * config/ia64/ia64.h: Similarly.
2097 * config/m32r/m32r.h: Similarly.
2098 * config/m68hc11/m68hc11.h: Similarly.
2099 * config/m68k/m68k.h: Similarly.
2100 * config/m88k/m88k.h: Similarly.
2101 * config/mcore/mcore.h: Similarly.
2102 * config/mips/mips.h: Similarly.
2103 * config/mn10200/mn10200.h: Similarly.
2104 * config/mn10300/mn10300.h: Similarly.
2105 * config/ns32k/ns32k.h: Similarly.
2106 * config/pa/pa.h: Similarly.
2107 * config/pdp11/pdp11.h: Similarly.
2108 * config/pj/pj.h: Similarly.
2109 * config/romp/romp.h: Similarly.
2110 * config/rs6000/rs6000.h: Similarly.
2111 * config/sh/sh.h: Similarly.
2112 * config/sparc/sparc.h: Similarly.
2113 * config/v850/v850.h: Similarly.
2114 * config/vax/vax.h: Similarly.
2115 * config/we32k/we32k.h: Similarly.
2117 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
2119 * doc/c-tree.texi: Document representation of attributes.
2121 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2123 * doc/tm.texi: Update some places for the rename of target to
2126 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2128 * target.h (struct gcc_target): Add insert_attributes.
2129 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
2130 (TARGET_INITIALIZER): Update.
2131 * tree.c, tree.h (default_insert_attributes): New function.
2132 Update comments on other default functions to refer to targetm,
2134 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
2135 TARGET_INSERT_ATTRIBUTES.
2136 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
2137 * c-common.c (decl_attributes): Use targetm.insert_attributes.
2138 Don't use PRAGMA_INSERT_ATTRIBUTES.
2139 * Makefile.in (c-common.o): Depend on $(TARGET_H).
2140 * c-decl.c (start_decl, start_function): Don't call
2141 SET_DEFAULT_DECL_ATTRIBUTES.
2142 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2143 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
2145 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
2146 (c4x_check_attribute): Avoid modifying attribute list itself.
2147 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
2149 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
2150 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
2152 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
2153 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
2155 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2156 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
2158 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
2159 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
2160 Adjust parameters. Make static.
2162 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2164 * c-common.c (decl_attributes): Only take a single attributes
2166 * c-common.h (decl_attributes): Update prototype.
2167 * c-decl.c (start_decl, start_function): Only take a single
2168 attributes parameter. Update calls to decl_attributes.
2169 (finish_struct, finish_enum): Update calls to decl_attributes.
2170 (push_parm_decl): Expect unified list of attributes. Update call
2172 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
2173 notype_nested_function, component_declarator,
2174 component_notype_declarator, label): Update calls to
2176 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
2177 lists that are passed to push_parm_decl.
2178 * c-tree.h (start_function, start_decl): Update prototypes.
2179 * config/sh/sh-protos.h, config/sh/sh.c
2180 (sh_pragma_insert_attributes): Only take a single attributes
2182 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
2183 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
2184 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
2185 build_module_descriptor, generate_static_references,
2186 generate_strings, build_selector_translation_table,
2187 generate_descriptor_table, generate_protocols,
2188 generate_ivars_list, generate_dispatch_table,
2189 generate_protocol_list, generate_category,
2190 generate_shared_structures, really_start_method, add_objc_decls,
2191 generate_classref_translation_entry): Update calls to start_decl
2193 (build_tmp_function_decl, start_method_def): Unify attribute lists
2194 that are passed to push_parm_decl.
2196 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
2198 * final.c (no_asm_to_stream): New.
2199 (final_scan_insn): Use target structures for prologue ends
2200 and epilogue starts.
2201 * output.h (no_asm_to_stream): New.
2202 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
2203 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
2204 (TARGET_ASM_OUT): Update.
2205 * target.h (struct gcc_target): New members function_end_prologue
2206 and function_begin_epilogue.
2207 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
2208 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
2209 * config/alpha/alpha.c (output_end_prologue): Rename to
2210 alpha_output_function_end_prologue. Use in target struct
2212 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
2213 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
2214 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
2215 ia64_output_function_end_prologue. Use in target struct
2217 (ia64_function_prologue, ia64_funciton_epilogue): Rename
2218 mistyped prototypes.
2219 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
2220 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
2222 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
2223 an use in target struct, make static.
2224 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
2227 2001-07-08 Richard Henderson <rth@redhat.com>
2229 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
2231 2001-07-08 Richard Henderson <rth@redhat.com>
2233 * config/i386/i386.md: Remove constraints strings from define_split
2234 and define_peephole2 patterns.
2235 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
2236 (eh_return): Use them.
2238 2001-07-08 Richard Henderson <rth@redhat.com>
2240 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
2241 Document MD_FALLBACK_FRAME_STATE_FOR.
2243 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2245 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
2246 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
2248 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
2250 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
2252 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
2253 of the label inside NAME as opposed to just the end of NAME.
2255 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
2257 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
2258 * config/alpha/alpha.c (alpha_init_machine_status,
2259 alpha_mark_machine_status, alpha_free_machine_status): Delete.
2260 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
2261 (vms_valid_decl_attribute_p): Make static, conditionally compile.
2262 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
2264 2001-07-06 Stan Shebs <shebs@apple.com>
2266 * target.h (targetm): Rename global from "target", so as not to
2267 conflict with local variables.
2269 * c-typeck.c: Ditto.
2273 * cp/decl2.c: Ditto.
2274 * cp/typeck.c: Ditto.
2275 * 1750a/1750a.c: Ditto.
2276 * a29k/a29k.c: Ditto.
2280 * clipper/clipper.c: Ditto.
2281 * convex/convex.c: Ditto.
2282 * d30v/d30v.c: Ditto.
2283 * dsp16xx/dsp16xx.c: Ditto.
2284 * elxsi/elxsi.c: Ditto.
2285 * fr30/fr30.c: Ditto.
2286 * h8300/h8300.c: Ditto.
2287 * i370/i370.c: Ditto.
2288 * i386/i386.c: Ditto.
2289 * i860/i860.c: Ditto.
2290 * i960/i960.c: Ditto.
2291 * ia64/ia64.c: Ditto.
2292 * m32r/m32r.c: Ditto.
2293 * m68hc11/m68hc11.c: Ditto.
2294 * m68k/m68k.c: Ditto.
2295 * m88k/m88k.c: Ditto.
2296 * mips/mips.c: Ditto.
2297 * ns32k/ns32k.c: Ditto.
2299 * pdp11/pdp11.c: Ditto.
2300 * romp/romp.c: Ditto.
2301 * rs6000/rs6000.c: Ditto.
2303 * sparc/sparc.c: Ditto.
2305 * we32k/we32k.c: Ditto.
2306 * doc/tm.texi: Update the manual to match.
2308 2001-07-06 Richard Henderson <rth@redhat.com>
2310 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
2311 DWARF2_UNWIND_INFO not just whether it is defined.
2313 2001-07-06 Diego Novillo <dnovillo@redhat.com>
2315 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
2316 call to simplify_binary_operation returns a new pattern.
2318 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2320 * glimits.h (__SHRT_MAX__): New.
2321 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
2322 (SHRT_MAX): Define in terms of __SHRT_MAX__.
2324 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
2326 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
2329 2001-07-06 Richard Henderson <rth@redhat.com>
2331 * bitmap.c (bitmap_release_memory): Move adjacent to the
2332 allocation functions.
2333 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
2334 the implementation. Binary search for the set bit.
2335 (bitmap_union_of_diff): Allocate the temporary on the stack
2336 instead of using xmalloc.
2338 2001-07-06 Richard Henderson <rth@redhat.com>
2340 * genrecog.c (validate_pattern): Warn for constraints in
2341 define_{expand,split,peephole2}. Remove strict_low_part
2342 before looking up match_dup.
2344 2001-07-06 DJ Delorie <dj@redhat.com>
2346 * doc/gcc.texi (Makefile): Rename to be a more general purpose
2347 chapter about various build hints and history. Add section
2348 talking about the various types of native and cross builds.
2350 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
2352 * Makefile.in (final.o): Depend on target.h.
2353 * final.c: Include target.h.
2354 (default_function_pro_epilogue): New.
2355 (final_start_function): Use target structure for function prologues.
2356 (final_end_function): Use target structure for function epilogues.
2357 * fold-const.c (real_hex_to_f): Constify s and p.
2358 * output.h (default_function_pro_epilogue): New.
2359 * real.h (real_hex_to_f): Update prototype.
2360 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
2361 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
2362 (TARGET_INITIALIZER): Update.
2363 * target.h (gcc_target): Add struct asm_out.
2364 * doc/tm.texi: Update.
2367 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
2368 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
2369 in cpu/cpu.c, or rename old functions consistently. Take
2370 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
2371 redundant macros and prototypes. Make new functions static.
2373 * 1750a/1750a.c: Similarly.
2374 * 1750a/1750a.h: Similarly.
2375 * a29k/a29k-protos.h: Similarly.
2376 * a29k/a29k.c: Similarly.
2377 * a29k/a29k.h: Similarly.
2378 * arc/arc-protos.h: Similarly.
2379 * arc/arc.c: Similarly.
2380 * arc/arc.h: Similarly.
2381 * arm/arm-protos.h: Similarly.
2382 * arm/arm.c: Similarly.
2383 * arm/arm.h: Similarly.
2384 * avr/avr-protos.h: Similarly.
2385 * avr/avr.c: Similarly.
2386 * avr/avr.h: Similarly.
2387 * clipper/clipper-protos.h: Similarly.
2388 * clipper/clipper.c: Similarly.
2389 * clipper/clipper.h: Similarly.
2390 * convex/convex.c: Similarly.
2391 * convex/convex.h: Similarly.
2392 * d30v/d30v-protos.h: Similarly.
2393 * d30v/d30v.c: Similarly.
2394 * d30v/d30v.h: Similarly.
2395 * d30v/d30v.md: Similarly.
2396 * dsp16xx/dsp16xx-protos.h: Similarly.
2397 * dsp16xx/dsp16xx.c: Similarly.
2398 * dsp16xx/dsp16xx.h: Similarly.
2399 * elxsi/elxsi.c: Similarly.
2400 * elxsi/elxsi.h: Similarly.
2401 * fr30/fr30.c: Similarly.
2402 * fr30/fr30.md: Similarly.
2403 * h8300/h8300-protos.h: Similarly.
2404 * h8300/h8300.c: Similarly.
2405 * h8300/h8300.h: Similarly.
2406 * i370/i370-protos.h: Similarly.
2407 * i370/i370.c: Similarly.
2408 * i370/i370.h: Similarly.
2409 * i386/i386.c: Similarly.
2410 * i386/osf1elf.h: Similarly.
2411 * i386/osfrose.h: Similarly.
2412 * i860/i860-protos.h: Similarly.
2413 * i860/i860.c: Similarly.
2414 * i860/i860.h: Similarly.
2415 * i960/i960-protos.h: Similarly.
2416 * i960/i960.c: Similarly.
2417 * i960/i960.h: Similarly.
2418 * ia64/ia64-protos.h: Similarly.
2419 * ia64/ia64.c: Similarly.
2420 * ia64/ia64.h: Similarly.
2421 * m32r/m32r-protos.h: Similarly.
2422 * m32r/m32r.c: Similarly.
2423 * m32r/m32r.h: Similarly.
2424 * m68hc11/m68hc11-protos.h: Similarly.
2425 * m68hc11/m68hc11.c: Similarly.
2426 * m68hc11/m68hc11.h: Similarly.
2427 * m68k/crds.h: Similarly.
2428 * m68k/dpx2.h: Similarly.
2429 * m68k/m68k-protos.h: Similarly.
2430 * m68k/m68k.c: Similarly.
2431 * m68k/m68k.h: Similarly.
2432 * m68k/news.h: Similarly.
2433 * m88k/m88k-protos.h: Similarly.
2434 * m88k/m88k.c: Similarly.
2435 * m88k/m88k.h: Similarly.
2436 * mips/mips-protos.h: Similarly.
2437 * mips/mips.c: Similarly.
2438 * mips/mips.h: Similarly.
2439 * ns32k/merlin.h: Similarly.
2440 * ns32k/ns32k.c: Similarly.
2441 * ns32k/ns32k.h: Similarly.
2442 * ns32k/tek6000.h: Similarly.
2443 * pa/pa-protos.h: Similarly.
2444 * pa/pa.c: Similarly.
2445 * pa/pa.h: Similarly.
2446 * pdp11/2bsd.h: Similarly.
2447 * pdp11/pdp11-protos.h: Similarly.
2448 * pdp11/pdp11.c: Similarly.
2449 * pdp11/pdp11.h: Similarly.
2450 * romp/romp-protos.h: Similarly.
2451 * romp/romp.c: Similarly.
2452 * romp/romp.h: Similarly.
2453 * rs6000/rs6000-protos.h: Similarly.
2454 * rs6000/rs6000.c: Similarly.
2455 * rs6000/rs6000.h: Similarly.
2456 * rs6000/sysv4.h: Similarly.
2457 * sh/sh-protos.h: Similarly.
2458 * sh/sh.c: Similarly.
2459 * sh/sh.h: Similarly.
2460 * sparc/sparc-protos.h: Similarly.
2461 * sparc/sparc.c: Similarly.
2462 * sparc/sparc.h: Similarly.
2463 * vax/vax.c: Similarly.
2464 * vax/vax.h: Similarly.
2465 * vax/vms.h: Similarly.
2466 * we32k/we32k.c: Similarly.
2467 * we32k/we32k.h: Similarly.
2469 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
2471 * basic-block.h (first_insn_after_basic_block_note): Declare.
2472 * flow.c (first_insn_after_basic_block_note): Define. Moved
2474 * ssa.c (first_insn_after_basic_block_note): Remove.
2475 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
2477 (ssa_eliminate_dead_code): Properly update the CFG and PHI
2478 nodes when we find a dead conditional branch. Insert BARRIERs
2479 after any blocks with no successors, but which do not have
2482 2001-07-06 Zack Weinberg <zackw@stanford.edu>
2484 * varray.c (varray_check_failed): Use internal_error.
2486 2001-07-05 Andrew Haley <aph@redhat.com>
2488 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
2489 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
2490 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
2492 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
2494 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
2495 reference if the target constant is also a SYMBOL_REF.
2497 2001-07-05 Eric Christopher <echristo@redhat.com>
2499 * config/mips/mips.h (MASK_MIPS3900): Remove.
2500 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
2501 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
2502 (TARGET_MIPS3900): Change to use mips_arch.
2503 (TARGET_MIPS4000): New.
2504 (TARGET_MIPS4100): New.
2505 (TARGET_MIPS4300): New.
2506 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
2507 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
2509 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
2510 (ISA_HAS_BRANCHLIKELY): To here.
2511 (CC1_CPU_SPEC): New.
2512 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
2513 (mips_arch_string): Declare.
2514 (mips_arch): Declare.
2515 (TARGET_OPTIONS): Add -march and -mtune.
2517 * config/mips/mips.c (mips_arch_string): New.
2519 (override_options): Handle -march for codegen and -mtune
2520 for scheduling. Use mips_arch. Move tx39 target default here.
2521 (mips_parse_cpu): Move error message to override_options.
2523 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
2525 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
2527 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
2528 (MIPS Options): Ditto. Change mcpu entry to historical text.
2530 2001-07-05 H.J. Lu (hjl@gnu.org)
2532 * config/mips/mips.c (mips_parse_cpu): New function to parse
2535 2001-07-05 Jim Wilson <wilson@redhat.com>
2537 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
2538 * config/ia64/t-ia64: Likewise.
2539 (LIB1ASMFUNCS): Update comment.
2541 2001-07-05 David Edelsohn <edelsohn@gnu.org>
2543 * doc/install.texi (Install GCC: Binaries): Fix typo.
2545 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2547 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
2548 reference using the stack pointer, adjust it since we push Y
2550 ("*ashrsi3"): Likewise.
2551 ("*lshrsi3"): Likewise.
2553 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2555 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
2556 when -fomit-frame-pointer is used.
2558 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
2560 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
2561 (try_redirect_by_replacing_jump): Reverse updating properly the
2562 count and frequency information. Reverse removing cc0 setter.
2563 (forwarder_block_p): Reverse fixing for fallthru blocks.
2565 2001-07-05 DJ Delorie <dj@redhat.com>
2567 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
2568 (translate_options): If the above is defined, use it to map
2569 given options to new options.
2570 * doc/tm.texi: Document it.
2572 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
2573 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2575 * doc/invoke.texi (Optimize Options): Document that -fgcse may
2576 cause programs using computed gotos to run more slowly.
2578 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2580 * doc/install.texi (Specific): Markup, spelling and typo fixes.
2582 Consistently require binutils 2.11.2, not prereleases.
2583 (Specific, decstation-*): Canonicalize as mips-dec-*.
2584 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
2586 (Specific, m68k-altos): Removed reference to README.altos, deleted.
2587 (Specific, mips-*): Reword MIPS C compiler requirements.
2588 (Specific, powerpc*-*-*): New, mention --with-cpu once.
2589 (Specific, sunv5): Removed, obsolete.
2591 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
2593 * dwarf2out.c (output_loc_list): Use an all ones mask for
2594 .text asm output and don't rely on long long
2595 literals. Reformat some long lines.
2597 2001-07-05 Andreas Jaeger <aj@suse.de>
2599 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
2602 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
2604 * dwarf2out.c (dwarf2out_define): Update comment.
2605 (dwarf2out_undef): Ditto.
2606 (dwarf2out_start_source_file): Ditto.
2607 (dwarf2out_end_source_file): Ditto.
2608 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
2609 since we never call the start/end debug hook for the primary file.
2611 2001-07-04 Kazu Hirata <kazu@hxi.com>
2613 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
2616 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
2618 * cppinit.c (remove_dup_dirs): Inform if a system include
2619 directory is being reordered.
2620 * doc/invoke.texi (Directory Options): GCC warns if you hide a
2622 * doc/cpp.texi (Search Paths): Likewise.
2623 * doc/gcc.texi (Interoperation): Remove information about
2626 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
2628 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
2629 (VARRAY_TOP_CHAR_PTR): Likewise.
2631 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2633 * gcc.c (process_command): Don't assign elements of a const char*.
2635 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2637 * emit-rtl.c (change_address): Don't abort if invalid address while
2638 reload is in progress.
2640 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
2642 * c-lex.c (cb_file_change): Pass line number to
2643 debug_start_source_file.
2644 (cb_undefine): Pass correct line number to debug_undef.
2646 * toplev.c (debug_start_source_file): Add line number to
2647 parameters. Pass it along to dwarf2out_start_source_file.
2648 (decode_g_option): Stop resetting debug level back to normal when
2649 we change debug formats, unless the current level is
2650 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
2653 * toplev.h (debug_start_source_file): Add line number to
2656 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
2659 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
2661 Output debug_macinfo data for starting file if requested.
2662 (dwarf2out_end_source_file): Output debug_macinfo data for ending
2664 (dwarf2out_define): Output debug_macinfo data for defining a macro
2666 (dwarf2out_undef): Output debug_macinfo data for undefining a
2668 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
2669 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
2670 (macinfo_section_label): New. DWARF2 macro info section label.
2671 (dwarf2out_init): If we want macro info, output the start label
2673 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
2674 attribute to the compilation unit die pointing to the macro info.
2676 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
2678 * dwarf2out.c (new_loc_list): Move to inside #ifdef
2679 DWARF2_DEBUGGING_INFO.
2680 (add_loc_descr_to_loc_list): Ditto.
2681 (output_loc_list): Ditto.
2682 Also, fix thinko in curr not being initialized.
2683 (gen_internal_sym): Ditto.
2685 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2687 * emit-rtl.c (replace_equiv_address): New function.
2688 * expr.h (replace_equiv_address): New declaration.
2689 * explow.c (validize_mem): Call it instead of change_address and
2690 also call if -fforce-addr and address is constant.
2691 * expr.c: Replace more calls to change_address with adjust_address
2692 and/or replace_equiv_address or to validize_mem.
2693 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
2694 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
2695 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
2696 * config/i370/i370.md, config/i860/i860.md: Likewise.
2697 * config/i960/i960.md, config/mips/mips.c: Likewise.
2698 * config/mips/mips.md, config/pa/pa.md: Likewise.
2699 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
2700 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
2702 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2704 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
2706 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
2709 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
2711 * doc/include: New directory.
2712 * doc/fdl.texi: Move to doc/include/fdl.texi.
2713 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
2714 * doc/include/funding.texi, doc/include/gpl.texi: New files.
2715 * doc/gcc.texi: Use funding.texi and gpl.texi.
2716 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
2717 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
2718 Update dependencies and use -I $(docdir)/include.
2720 2001-07-04 Anthony Green <green@redhat.com>
2722 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
2724 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2726 * doc/install.texi (sparc64-*-*): Remove garbage.
2728 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
2730 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
2731 Fix typo in last change to use adjust_address.
2733 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2735 * doc/install.texi (Specific): Update information for *-*-solaris*.
2737 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2739 * explow.c (plus_constant_wide): Reinitialize Y for restart.
2741 2001-07-03 Stan Shebs <shebs@apple.com>
2743 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
2744 case for flag_no_mach_text_sections.
2745 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
2746 * config/darwin.c (flag_no_mach_text_sections): Remove.
2747 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
2749 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2751 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
2752 and avoid checking for constant as first operand.
2753 * recog.c (find_constant_term_loc): No longer static.
2754 (adj_offettable_operand): Delete.
2755 * rtl.h (adj_offsettable_operand): Delete declaration.
2756 (find_constant_term): Add declaration.
2757 * caller-save.c: Replace calls to adj_offsettable_operand with calls
2759 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
2760 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
2761 * config/i386/i386.c, config/i386/i386.md: Likewise.
2762 * config/i860/i860.c, config/i960/i960.c: Likewise.
2763 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
2764 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
2765 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
2766 * config/mips/mips.c, config/mips/mips.md: Likewise.
2767 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
2768 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
2769 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
2770 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
2771 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
2772 * config/ns32k/ns32k.md: Likewise.
2774 2001-07-03 Zack Weinberg <zackw@stanford.edu>
2776 * rtl.c (copy_rtx): Handle 'T' format letter.
2777 * gensupport.c (collect_insn_data): Likewise.
2778 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
2780 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
2782 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
2783 -B option. Use 'dir' not 'foo' as example directory name.
2785 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2787 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2788 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
2790 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
2792 * doc/cppinternals.texi: Improve formatting and logical markup.
2794 2001-07-03 Andreas Jaeger <aj@suse.de>
2796 * Makefile.in (insn-recog.o): Add dependency on reload.h.
2798 * genrecog.c (write_header): Include reload.h for prototypes in
2801 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
2804 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
2805 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
2806 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
2807 i386_pe_valid_type_attribute_p): Add.
2808 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
2809 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
2811 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2813 * explow.c (plus_constant_wide, case LO_SUM): New case.
2814 (plus_constant_for_output_wide): Delete.
2815 * rtl.h (plus_constant_for_output): Delete.
2816 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
2817 instead of plus_constant_for_output.
2818 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
2819 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
2820 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
2821 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
2822 * config/sparc/sparc.md: Likewise.
2823 Convert some change_address calls to adjust_address.
2825 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
2827 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
2828 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
2829 documentation of -std and -Wwrite-strings.
2831 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
2833 * cse.c (canon_hash): Don't register registers in very small
2834 register classes, as extending their lifetime might cause
2837 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2839 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
2841 * flow.c (forwarder_block_p): Fix for fallthru blocks.
2842 (try_redirect_by_replacing_jump): Update properly the count
2843 and frequency information.
2845 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
2847 * toplev.c (dump_file_index): Move SSA dumps just after first
2849 (dump_file): Corresponding changes.
2850 (rest_of_compilation): Move SSA path to just after the first
2852 * doc/gcc.texi (Passes): Update due to movement of SSA path.
2853 * doc/invoke.texi: Update dump file #s as they were completely
2854 out of date with reality.
2856 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
2858 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
2860 * expr.c (emit_move_insn_1): Deal with non-default
2863 * expr.c (emit_single_push_insn): Fix warning.
2865 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2867 * expr.c (emit_move_insn_1): Avoid modifying
2868 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
2870 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2872 * emit-rtl.c (adjust_address): New function.
2873 * expr.h (adjust_address): Add declaration.
2874 * builtins.c: Replace some calls to change_address with calls to it
2876 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
2877 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
2878 * config/arm/arm.c, config/convex/convex.c: Likewise.
2879 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
2880 * config/i386/i386.c, config/i386/i386.md: Likewise.
2881 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
2882 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
2883 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
2884 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
2885 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
2887 2001-07-02 Jim Wilson <wilson@redhat.com>
2889 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
2891 2001-07-02 Steve Ellcey <sje@cup.hp.com>
2893 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
2894 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
2896 2001-07-02 Zack Weinberg <zackw@stanford.edu>
2898 * cppinit.c (lang_defaults): New table.
2899 (set_lang): Just read from lang_defaults into the live options
2902 2001-07-02 Zack Weinberg <zackw@stanford.edu>
2904 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
2905 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
2906 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
2908 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2910 * doc/install.texi: Various spelling and markup fixes.
2911 (Installing GCC): Component specific installation instructions are
2914 Warn about removing old install dir in the presence of shared libs.
2915 (Configuration): Invoke with options target to match configure
2917 Consistently refer to gas, gld pathnames.
2918 Invert --enable-multilib documentation.
2919 Remove references to old compiler versions.
2921 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2923 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
2925 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2927 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
2929 (Specific, mips*-sgi-irix5): Note IDO download.
2930 Reworded MIPS C hints.
2931 Use GNU as instead of GAS.
2933 Removed SGI Freeware reference, IRIX 6 only.
2934 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
2935 Note N64 library requirement/workaround.
2937 Complete list of structure passing bug victims.
2939 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2941 * doc/install.texi: Remove CVS Id.
2943 2001-07-02 Andreas Jaeger <aj@suse.de>
2945 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
2946 (find_inherently_necessary): Remove unused variable.
2948 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
2950 * c-common.h (TDI_inlined): New ast dump phase.
2951 (dump_flag_name): New function.
2952 * c-dump.c (dump_files): Add inlined phase.
2953 (dump_flag_name): Define.
2954 * doc/invoke.texi (-fdump-ast-inlined): Document.
2956 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2958 * stor-layout.c (layout_decl): Revert change to handling of alignment
2961 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2963 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
2966 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
2968 * doc/tm.texi (FUNCTION_ARG): Document that the last call
2971 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
2973 * tlink.c (recompile_files): Remove COMPILER_PATH and
2974 LIBRARY_PATH from the environment.
2976 2001-07-01 Zack Weinberg <zackw@stanford.edu>
2978 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
2979 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
2981 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
2983 * c-parse.in (OBJC_STRING): Kill.
2984 (objc_string): Decompose to [objc_string] '@' STRING.
2985 (reswords): Take the leading '@' off all the Objective C keywords.
2986 (objc_rid_sans_at): Kill.
2987 (init_reswords): Don't initialize it.
2988 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
2989 (_yylex): Kill reconsider label. Look ahead one token after
2990 an '@'; if we get an identifier, check whether it's an
2991 Objective C @-keyword. If so, return the keyword. Otherwise,
2992 put back the token and return the '@' as a terminal.
2994 * cpplib.c (lex_macro_node): Remove unnecessary check for
2995 leading '@' on identifier. Clarify control flow and commentary.
2997 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2999 * cse.c (new_label_ref): Variable deleted.
3000 (insert): Remove set of new_label_ref.
3001 (check_for_label_ref): New function.
3002 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
3004 See ChangeLog.5 for earlier changes.