1 2001-07-30 H.J. Lu (hjl@gnu.org)
3 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
4 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
7 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
9 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
10 as -mthumb-interwork when -mcpu=arm7 is specified.
12 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
14 * predict.def (noreturn, loop branch, loop exit): Mark as first
17 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
19 * combine.c (try_combine): Avoid barrier after noop jumps.
21 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
23 * cpphash.h (struct cpp_reader): Remove import_warning.
24 * cpplib.c (skip_rest_of_line): Don't bother turning off
26 (parse_include): Move include handling to...
27 (do_include_common): ... here. Move import warning from...
28 (do_import): ... here.
29 (do_pragma_poison): Don't do a callback for poison identifiers.
30 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
31 * cppmain.c (setup_callbacks): Similarly.
33 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
35 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
37 * except.c (sjlj_mark_call_sites): .... here.
38 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
40 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
42 Suggested by Richard Henderson and Richard Kenner:
43 * combine.c (recog_for_combine): Use the fake recog
44 only if instruction does not match.
45 * rtl.h (NOOP_MOVE_INSN_CODE): New.
46 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
48 * combine.c (try_combine): Discover noop jump as direct jump.
50 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
52 * df.c (df_rd_global_compute): Add successors to worklist, not
54 (df_ru_global_compute): Ditto.
56 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
58 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
61 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
63 * sbitmap.h: New prototype for sbitmap_a_xor_b.
65 * sbitmap.c (sbitmap_a_xor_b): New function.
66 ifdef the basic block stuff on IN_GCC.
68 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
70 * cppexp.c (parse_defined): Always record the macro name.
71 (lex): Don't worry about identifiers, or special-case
73 (_cpp_parse_expr): Figure out at the end of the routine
74 whether we saw a valid !defined() expression.
75 * cppfiles.c (stack_include_file): Update for mi_valid.
76 (_cpp_pop_file_buffer): Similarly.
77 * cpplex.c (_cpp_lex_token): Similarly.
78 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
79 mi_if_not_defined, mi_lexed): Remove.
81 * cpplib.c (do_if): Simplify.
82 (do_endif, push_conditional, _cpp_handle_directive): Update
83 for renaming of mi_state to mi_valid.
85 * cpp.texi: Add index entries for digraphs, and add comment
86 that C++ refers to them as alternative tokens.
88 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
90 * basic-block.h (CLEANUP_PRE_LOOP): New.
91 * except.c (finish_eh_generation): Update call of cleanup_cfg.
92 * sibcall.c (optimize_sibling_calls): Likewise.
93 * toplev.c (rest_of_compilation): Likewise.
94 * flow.c (try_forward_edges): Take argument MODE;
95 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
96 (try_optimize_cfg): Update call of try_forward_edges.
98 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
99 Jan Hubicka <jh@suse.cz>
101 * (validate_replace_rtx_1): Fix simplification of MINUS.
103 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
106 * cppinit.c (init_dependency_output): Turn off dump requests
107 if sending dependencies to stdout.
109 2001-07-28 Richard Henderson <rth@redhat.com>
111 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
114 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
116 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
118 2001-07-28 Kazu Hirata <kazu@hxi.com>
120 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
121 is VAR_DECL first to prevent an ICE.
123 2001-07-28 Richard Henderson <rth@redhat.com>
125 * varasm.c (immed_real_const_1): Don't elide special cases for
127 (clear_const_double_mem): Clear const_tiny_rtx too.
129 2001-07-28 Richard Henderson <rth@redhat.com>
131 * dwarf2out.c (dw_val_class_offset): New.
132 (struct dw_ranges_struct, dw_ranges_ref): New.
133 (ranges_table, ranges_table_allocated): New.
134 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
135 (add_AT_offset, add_ranges, output_ranges): New.
136 (print_die, output_die): Handle dw_val_class_offset.
137 (attr_checksum, size_of_die, value_format): Likewise.
138 (gen_lexical_block_die): Handle non-contiguous blocks.
139 (gen_block_die): Likewise.
140 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
141 if needed. Dump the ranges table.
142 * final.c (final_start_function): Remove unnecessary notes and
143 rebuild the block tree before numbering the blocks.
144 * function.c (reorder_blocks_0): Walk the existing block tree
145 to unmark all blocks.
146 (reorder_blocks_1): Create block fragments when duplicate block
148 (reorder_fix_fragments): New.
149 (reorder_blocks): Call it.
150 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
152 2001-07-28 Richard Henderson <rth@redhat.com>
154 * emit-rtl.c (adjust_address): Make a copy of the memory address.
156 2001-07-28 Richard Henderson <rth@redhat.com>
158 * flow.c (add_to_mem_set_list): New function.
159 (init_propagate_block_info): Use it.
160 (mark_set_1): Likewise.
161 (insn_dead_p): Canonicalize memory address for dead store
162 comparison. Allow wider mode stores to kill narrower mode stores.
163 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
164 (invalidate_mems_from_set): Don't handle MEMs.
166 2001-07-28 Kazu Hirata <kazu@hxi.com>
168 * config/h8300/h8300.h: Fix formatting.
170 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
172 * basic-block.h (EDGE_FREQUENCY): New macro.
173 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
175 * flow.c (find_sub_basic_blocks): Likewise.
176 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
177 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
179 * predict.c (DEF_PREDICTOR): New argument FLAGS.
180 (HITRATE): New macro.
181 (PRED_FLAG_FIRST_MATCH): New constant.
182 (predictor_info): New field flgags.
183 (combine_predictions_for_insn): Use DS theory to combine
184 probabilities; set the edge probabilities when finished.
185 (estimate_probability): Avoid duplicated matches
186 of LOOP_BRANCH heuristics for nested loops; update comment.
187 * predict.def: Add flags for each prediction, set probabilities
188 according to B&L paper.
189 * predict.h (DEF_PREDICTOR): New argument FLAGS.
191 * profile.c (compute_branch_probabilities): Cleanup way the edge
192 probabilities are computed and REG_BR_PROB notes are dropped; if
193 values does not match, emit error.
194 (init_branch_prob): Do error instead of warning when profile driven
195 feedback is missing or corrupt.
197 2001-07-27 DJ Delorie <dj@redhat.com>
199 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
200 against a constant, try to adjust the compare to have the desired
201 constant in it so that min/max optimizations happen more often.
203 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
205 * flow.c (last_loop_beg_note): New function.
206 (redirect_edge_and_branch): Use it.
207 (split_edge): Likewise.
209 * alias.c (loop_p): Avoid uninitialized memory access.
211 * flow.c (try_forward_edges): Avoid accessing freed memory.
213 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
216 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
218 * doc/install.texi (Configuration): Properly link the host
219 specific instructions also when generating HTML.
221 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
223 * flow.c (redirect_edge_and_branch_force): Test
224 target->global_live_at_start.
226 2001-07-26 Richard Henderson <rth@redhat.com>
228 * simplify-rtx.c (avoid_constant_pool_reference): Export.
229 * rtl.h (avoid_constant_pool_reference): Declare it.
230 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
231 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
233 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
235 * rtl.h (cleanup_barriers): Declare.
236 * jump.c (cleanup_barriers): New function.
237 * toplev.c (rest_of_compilation): Call cleanup_barriers
238 before loop optimizer and after bb_reorder.
240 * flow.c (back_edge_of_syntactic_loop_p): New.
241 (split_edge): Use it.
243 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
245 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
247 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
249 * cse.c (cse_process_notes): Replace any registers if the address
252 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
254 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
255 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
256 (propagate_block): Update prototype.
257 * flow.c (update_life_info): Simplify the CFG and
258 recalculate the global regs which are alive when
259 removing dead code during a global update.
260 (propagate_block): Return non-zero if an INSN is
263 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
265 * Makefile.in (LIBICONV): Define.
267 2001-07-26 Catherine Moore <clm@redhat.com>
269 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
270 of conditional to avoid tree checking errors.
272 2001-07-26 Kazu Hirata <kazu@hxi.com>
274 * regmove.c (regmove_optimize): Don't replace a reg with
275 another reg of a different mode.
277 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
279 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
280 limit length of dependancy flush list.
281 * params.h (MAX_PENDING_LIST_LENGTH): Define.
282 * sched-int.h (struct deps): Add pending_flush_length field.
283 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
285 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
286 (sched_analyze): After a jump, if the pending memory flush list is too
287 large, flush the pending lists.
288 (init_deps): Initialize pending_flush_length to 0.
289 * doc/invoke.texi (max_pending_list_length): Document parameter.
291 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
293 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
294 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
295 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
297 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
299 * cpphash.h (struct_lexer_state): Delete was_skipping.
300 Move skipping here from struct cpp_reader.
301 * cpplex.c (parse_identifier): Update.
302 (_cpp_lex_token): Don't skip tokens in a directive.
303 * cpplib.c (struct if_stack): Update.
304 (start_directive, end_directive): Don't change skipping state.
305 (_cpp_handle_directive): Update.
306 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
307 (do_else, do_endif): Update; only check for excess tokens if not
308 in a skipped conditional block.
309 (push_conditional): Update for new struct if_stack.
311 2001-07-26 Graham Stott <grahams@redhat.com>
313 * function.c (locate_and_pad_parm): Also pad initial offset
314 so that the total argument size also includes the padding.
316 2001-07-26 Graham Stott <grahams@redhat.com>
318 * gensupport.c (alter_output_for_insn): Correct enable checking failure
319 change XSTR to XTMPL.
321 (process_one_cond_exec): Likewise
323 2001-07-25 Richard Henderson <rth@redhat.com>
325 * varasm.c (assemble_variable): Create DECL_RTL before setting
328 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
330 * predict.c (estimate_probability): Avoid duplicated predictions.
332 * loop.c (find_and_verify_loops): Grok multiple barriers.
334 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
336 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
338 * dbxout.c: Consistently use putc instead of fputc.
339 (print_wide_int): New function; call instead of direct fprintf.
340 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
341 (dbxout_type_fields, dbxout_type_method_1): Likewise.
342 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
343 (print_int_cst_octal): Likewise.
344 (print_octal): Show we wrote characters.
345 (dbxout_type): Set have_used_extensions in more places.
347 2001-07-25 Catherine Moore <clm@redhat.com>
349 * config/v850/v850.c (v850_va_arg): Use addr
350 instead of valist to build incr.
352 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
354 * flow.c (delete_dead_jumptables): New function.
355 (life_analyzis): Call it.
356 * bb-reorder.c (skip_insns_after_block): Handle contradictory
359 2001-07-25 Richard Henderson <rth@redhat.com>
361 * except.c (reachable_handlers): Handle a region being removed
362 out from under a RESX.
364 2001-07-25 Richard Henderson <rth@redhat.com>
366 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
367 swap GE/GT if it is an fp comparison.
369 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
371 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
374 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
376 * ssa.c (rename_insn_1): Do not wrap an assignment to a
377 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
380 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
382 (visit_expression): When attempting to simplify an expression,
383 retrieve any modes for arguments before they are simplified
386 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
387 Janis Johnson <janis@us.ibm.com>
389 * stmt.c (expand_goto): A nonlocal goto can be a call too.
390 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
391 pointer parameters to match documented usage of nonlocal_goto.
392 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
393 parameters to their correct order.
394 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
395 parameters to their correct order.
397 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
399 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
401 2001-07-25 Jan Hubicka <jh@suse.cz>
402 Richard Henderson <rth@redhat.com>
404 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
406 (make_edges): New argument update_p; populate the edge cache if set.
407 (find_basic_blocks): Update make_edges invocation.
409 2001-07-24 Joel Sherrill <joel@OARcorp.com>
411 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
413 2001-07-24 Joel Sherrill <joel@OARcorp.com>
415 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
416 -Acpu and -Amachine.h.
417 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
418 Corrected header to say ELF not a.out.
419 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
420 when given -msoft-float.
422 2001-07-24 Joel Sherrill <joel@OARcorp.com>
424 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
425 extra multilib parts like arm-elf.
426 (i960-*-coff*, i960-*-rtems): Should not use collect2.
427 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
428 crtfini.o as extra multilib parts.
430 2001-07-24 Joel Sherrill <joel@OARcorp.com>
432 * configure.in: Add rtems as a supported thread model.
433 * gthr-rtems.h: Add missing entry point __gthread_active_p.
434 * configure: Rebuilt.
436 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
438 * stor-layout.c (get_mode_alignment): make it work when
439 BITS_PER_UNIT is not a power of two.
440 * builtins.c (get_pointer_alignment): Likewise.
442 2001-07-24 Richard Henderson <rth@redhat.com>
444 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
445 the retrieved constant into the expected mode.
447 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
449 * flow.c (try_simplify_condjump): Avoid duplicated edges.
450 (verify_flow_info): Check for duplicated edges; clarify
453 * flow.c (block_label): Update basic_block_for_insn.
454 (commit_edge_insertions): Call compute_bb_for_insn.
456 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
459 * flow.c (redirect_edge_and_branch,
460 try_optimize_cfg): Use redirect_edge_succ_nodup
461 (redirect_edge_succ_nodup): New.
462 * basic_block.h (redirect_edge_succ_nodup): Declare.
464 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
467 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
469 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
470 (try_crossjump_to_edge): Update commetns.
471 (try_crossjump_bb): Likewise.
473 2001-07-24 Richard Henderson <rth@redhat.com>
475 * combine.c (distribute_notes): Move set of need_refresh
476 for noop_move_p down to catch all cases.
478 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
480 * recog.c (split_all_insns_noflow): New.
481 * rtl.h (split_all_insns_noflow): Declare.
482 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
483 * m68hc11.c (m68hc11_reorg): Likewise.
484 * sh.c (machine_dependent_reorg): Likewise.
485 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
488 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
490 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
491 (ashlsi3_n splitter): Likewise.
492 (lshrsi3_n splitter): Likewise.
494 (GOTaddr2picreg): Make const SImode.
495 (sym_label2reg): Likewise.
496 (symGOT2reg): Likewise.
497 (symGOTOFF2reg) Likewise.
499 (casesi_worker_0): Make unspec SImode.
501 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
503 * config/sh/sh.c (barrier_align): Check that an operand really is
504 an insn before extracting its INSN_CODE.
506 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
508 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
511 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
512 for SImode to prevent overflow.
514 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
516 * config/mips/irix6-libc-compat.c: New file.
517 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
518 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
521 2001-07-24 lars brinkhoff <lars@nocrew.org>
523 * rtl.texi (REG_POINTER): Document.
524 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
525 QFmode, HFmode, TQFmode, QCmode, and HCmode.
527 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
529 * flow.c (delete_noop_moves): Do not confuse libcall regions.
531 2001-07-23 Richard Henderson <rth@redhat.com>
533 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
535 2001-07-23 Kazu Hirata <kazu@hxi.com>
537 * config/h8300/h8300-protos.h: Add a prototype for
538 general_operand_dst_push.
539 * config/h8300/h8300.c (general_operand_dst_push): New.
540 * config/h8300/h8300.h (OK_FOR_T): New.
541 (EXTRA_CONSTRAINT): Use it.
542 * config/h8300/h8300.md (movqi_push): Remove and integrate into
543 the existing movqi pattern.
544 (movhi_push): Likewise.
546 * reload.c: Fix comment typos.
548 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
550 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
552 2001-07-23 H.J. Lu (hjl@gnu.org)
554 * doc/extend.texi: Update __builtin_return_address and
555 __builtin_frame_address.
557 2001-07-23 Richard Henderson <rth@redhat.com>
559 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
561 * config/i386/i386.md: New setcc+movzbl peephole2.
563 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
565 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
566 * objc/objc-act.c: Include debug.h.
567 (synth_module_prologue): Save and restore debug hooks too.
569 2001-07-23 lars brinkhoff <lars@nocrew.org>
571 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
572 and C4X_FLOAT_FORMAT.
573 (BOOL_TYPE_SIZE): Document.
575 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
577 * unroll.c (loop_iterations): Fix miscalculation of initial
580 2001-07-13 Andrew Haley <aph@redhat.com>
582 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
583 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
584 * config/sh/sh.c (sh_can_redirect_branch): New function.
585 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
586 * reorg.c (steal_delay_list_from_target): Use
587 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
589 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
591 * flow.c (try_simplify_condjump): Unlink insn chain on
592 fallthru edge; use can_fallthru.
594 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
596 * basic-block.h (find_sub_basic_block): Declare.
597 * flow.c (make_edges): New arguments MIN and MAX;
598 (find_sub_basic_blocks): Revamp to use make_edges
599 and purge_dead_edges.
600 (find_basic_blocks): Update call of find_sub_basic_block.
602 * recog.c (split_all_insns): Always expect CFG to be consistent;
603 call find_sub_basic_blocks in case something has changed.
604 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
607 * basic-block.h (delete_noop_moves): Declare.
608 * combine.c (combine_instructions): Call it.
609 (recog_for_combine): Tolerate noop moves
610 (distribute_notes): Force refresh when register dies at noop move.
611 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
613 (life_analysis): Update delete_noop_moves call.
614 (set_noop_p): Move too ...
615 * rtlanal.c (noop_move_p): ... here.
616 * rtl.h (noop_move_p): Declare.
618 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
619 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
621 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
622 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
624 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
626 * reload.c (push_reload): Fix typo in comment.
627 (find_reloads_address): Ditto.
628 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
630 2001-07-22 Richard Henderson <rth@redhat.com>
632 * flow.c: Grammar check and clarify a lot of comments.
633 (try_simplify_condjump): Rename variables to be clearer.
634 (try_forward_edges): Skip complex and fallthru edges.
635 Rearrange tests to avoid duplicate checks.
636 (flow_find_cross_jump): Likewise.
637 (outgoing_edges_match): Allow match if neither branch has
638 probability data. Loosen probability match to 5%.
639 (try_crossjump_to_edge): Hoist repeated indirection into
641 (try_crossjump_bb): Don't check complex edges. Eliminate
642 redundant crossjump tests.
643 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
644 checks before more expensive checks.
646 2001-07-22 Richard Henderson <rth@redhat.com>
648 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
649 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
652 2001-07-22 Richard Henderson <rth@redhat.com>
654 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
655 (const_sint32_operand): Likewise.
656 * m68k.md (anon mulsi pattern): Use const_int_operand not
657 const_sint32_operand.
658 (umulsi3_highpart): Zero extend a constant input.
659 (smulsi3_highpart): Don't bother checking SImode constant.
660 (const_umulsi3_highpart): Give op3 DImode.
661 (const_smulsi3_highpart): Likewise.
663 2001-07-22 Richard Henderson <rth@redhat.com>
665 * flow.c (split_block): Make sure bb_note is included in the
666 new block when splitting before a label.
668 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
670 * basic-block.h (redirect_edge_and_branch_force,
671 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
672 * flow.c (redirect_edge_and_branch_force,
673 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
674 (redirect_edge_and_branch_force): Fix copying of lifeness information.
675 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
676 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
677 instead of label; update CFG after transformation.
678 (find_if_case_1): Update call, use redirect_edge_and_branch_force
679 for finishing the transformation; handle even case where ELSE
680 does not follow THEN.
681 (find_if_case_2): Update call of dead_or_predictable; simplify
684 * emit-rtl.c (split_branch_probability): New global variable.
685 (try_split): Take care to set split_branch_probability and
686 create REG_BR_PROB note for new jump insns.
687 * md.texi (define_split): Document new feature.
689 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
691 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
693 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
694 (asm_out_file): Remove redundant declaration.
695 (assemble_asm): Remove old #if 0 block.
696 (assemble_variable): Remove end of function; debug output is
697 now handled with global_decl. Remove old #if 0 block. Update.
698 Remove saved_in_section and associated no-op code.
699 * Makefile.in (varasm.o): Correct dependencies.
701 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
703 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
704 the definition in defaults.h.
706 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
708 * jump.c: Update comments.
709 (delete_barrier_successors, delete_unreferenced_labels,
710 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
711 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
712 jump_optimize, jump_optimize_minimal): Kill.
713 (rebuild_jump_labels): Move code from jump_optimize_1.
714 (purge_line_number_notes): Likewise.
715 (copy_loop_headers): Likewise.
716 * reg-stack.c: Update comment.
718 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
719 JUMP_AFTER_REGSCAN): Kill.
720 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
721 purge_line_number_notes and copy_loop_headers.
723 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
724 Richard Henderson <rth@redhat.com>
726 * dbxout.c (dbxout_global_decl): New.
727 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
728 * sdbout.c (sdbout_finish): New.
729 (sdbout_debug_hooks): Use it, add comments.
730 (sdbout_global_decl): Defer initialised public vars to
732 * varasm.c (assemble_variable): Don't output debug information
733 for file-scope variables.
735 2001-07-22 Richard Henderson <rth@redhat.com>
737 * config/alpha/alpha.c (get_trap_mode_suffix): New.
738 (get_round_mode_suffix): New.
739 (print_operand): Use them for [/]. Remove support for [&'`()+].
740 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
741 * config/alpha/alpha.md (attr round_suffix): New.
742 (attr trap_suffix): New.
743 (all insns): Set them appropriately. Use %/ instead of the
746 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
748 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
750 2001-07-22 Richard Henderson <rth@redhat.com>
752 * regrename.c (regrename_optimize): Compute nregs for each
753 potential target register.
755 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
756 Richard Henderson <rth@redhat.com>
758 * dbxout.c (dbxout_global_decl): New.
759 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
760 * sdbout.c (sdbout_finish): New.
761 (sdbout_debug_hooks): Use it, add comments.
762 (sdbout_global_decl): Defer initialised public vars to
764 * varasm.c (assemble_variable): Don't output debug information
765 for file-scope variables.
767 2001-07-21 H.J. Lu (hjl@gnu.org)
769 * config/mips/mips.c (mips_cpu): Moved into ...
770 (override_options): Here.
772 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
776 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
778 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
779 ("iorqi3"): Likewise.
780 ("xorqi3"): Likewise.
781 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
782 ("*subhi3_sp): Likewise.
783 ("*subhi3"): Likewise.
784 ("extendhisi2"): Accept D, X and Y as source operand to avoid
787 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
789 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
790 * config/freebsd.h: Likewise.
791 * config/linux.h: Likewise.
792 * config/openbsd.h: Likewise.
793 * config/alpha/linux-elf.h: Likewise.
794 * config/arm/linux-elf.h: Likewise.
795 * config/d30v/d30v.h: Likewise.
796 * config/fr30/fr30.h: Likewise.
797 * config/ia64/aix.h: Likewise.
798 * config/ia64/ia64.h: Likewise.
799 * config/mips/linux.h: Likewise.
800 * config/pj/pj.h: Likewise.
801 * config/rs6000/linux.h: Likewise.
802 * config/sparc/linux.h: Likewise.
803 * config/sparc/linux64.h: Likewise.
805 2001-07-20 Bruce Korb <bkorb@gnu.org>
807 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
808 because getc() and char* may disagree on signedness.
810 2001-07-20 Richard Henderson <rth@redhat.com>
812 * doc/rtl.texi (REG_DEAD): Update for current semantics.
814 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
815 insns to delete in the presence of cc0 in a jump insn.
817 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
818 Jan Hubicka <jh@suse.cz>
820 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
821 of doing the change by hand.
823 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
825 * rtlanal.c (set_noop_p): Return true for noop jumps.
827 * expr.c (emit_single_push_insn): Add call to push expander.
828 * expr.h (optab_index): Add OTI_push
829 (push_optab): New constant.
830 * genopinit.c (optabs): Add push_optab.
831 * optabs.c (init_optab): Init push optab.
832 * md.texi (push??1): Document
834 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
836 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
837 expand to emit the pattern; put a REG_INC note for push/pop
839 ("movdf", "movdf_internal"): Likewise.
840 ("movsi", "movsi_internal"): Likewise.
841 ("movsf", "movsf_internal"): Likewise.
842 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
844 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
846 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
849 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
851 * params.def: Change default max inline insns to 100.
853 2001-07-20 Diego Novillo <dnovillo@redhat.com>
855 * combine.c (combine_simplify_rtx): Generate a new shift operation
856 when simplifying the first operand of a (neg (ashift)) expression.
858 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
860 * regclass.c (N_REG_INTS): Use only 32 bits per element.
862 2001-07-20 Kelley Cook <kelley.cook@home.com>
864 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
865 information. Move rest into ...
866 (*-*-solaris): ... here. Eliminate redundant information and
867 reword necessary packages section. Delete 4.x assembler bug info.
868 (sparc-sun-*): Merge into ...
869 (sparc-sun-sunos*): here.
871 2001-07-20 Catherine Moore <clm@redhat.com>
873 * config/v850/v850.md (casesi): Generate LABEL_REF
876 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
878 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
879 * i386.c (ix86_zero_extend_to_Pmode): Make global.
880 * i386.md (strclrsi expander): Use it.
882 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
884 * integrate.c (copy_insn_list): handle
885 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
886 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
887 identically as to CODE_LABEL.
889 * fold-const (fold): Convert A/B/C to A/(B*C) and
892 * except.c (connect_post_landing_pads): Delete the RESX insns.
894 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
896 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
898 * config/mips/mips.md (nmadd/nmsub): Use macro.
900 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
902 * cppinit.c (remove_dup_dir): Make static.
903 (remove_dup_dirs): Make static. Only warn about preempting a
904 system directory with a non-system directory.
906 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
908 * ifcvt.c (noce_try_store_flag_constants): Correct order
909 of parameters to trunc_int_for_mode.
911 2001-07-19 Mark Mitchell <mark@codesourcery.com>
913 * reorg.c (fill_simple_delay_slots): If an instruction might throw
914 an exception that will be caught within this function, do not fill
915 its delay slot with any subsequent instruction.
917 2001-07-19 Steve Ellcey <sje@cup.hp.com>
919 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
920 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
921 pointer extension instruction.
922 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
923 * simplify-rtx.c (simplify_unary_operation) Likewise.
924 * explow.c (convert_memory_address) Check value of
925 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
927 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
928 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
929 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
930 Add Multilib Support.
931 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
932 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
933 Add Multilib Support.
934 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
936 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
937 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
938 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
940 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
942 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
943 old and new operands in `<', `3' and `b'.
945 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
947 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
948 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
949 (toplev.o): Don't depend on xcoffout.h.
950 * c-decl.c: Include debug.h
951 (duplicate_decls): Use debug hook.
952 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
953 (dbx_debug_hooks, xcoff_debug_hooks): Update.
954 (dbxout_types): Remove.
955 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
956 * debug.c (do_nothing_debug_hooks): Update.
957 (debug_true_tree, debug_nothing_rtx): New.
958 * debug.h (struct rtx_def): New.
959 (struct gcc_debug_hooks): New hooks ignore_block,
960 outlining_inline_function and label.
961 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
962 dwarf2out_frame_finish): New.
963 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
964 Make static, update prototype.
965 (dwarf2_debug_hooks): Update.
966 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
967 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
968 * dwarfout.c (dwarf_debug_hooks): Update.
969 * emit-rtl.c: Include debug.h.
970 (remove_unnecessary_notes): Use debug hook.
971 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
972 (final_scan_insn): Use debug hook.
973 * integrate.c (output_inline_function): Use debug hook.
974 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
975 (sdb_debug_hooks): Update.
976 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
977 * toplev.c: Don't include xcoffout.h.
978 (note_outlining_of_inline_function, debug_ignore_block): Remove.
979 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
981 * tree.h (dwarf2out_do_frame): Remove.
983 2001-07-19 Catherine Moore <clm@cygnus.com>
985 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
987 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
989 * reload1.c (eliminate_regs_in_insn): When updating a set
990 to the frame pointer to the hardware frame pointer, perform
991 the update always not just when REPLACE is set.
993 * reload1.c (choose_reload_regs): Don't inherit a reload
994 that crosses multiple registers if registers past the first
995 don't fit in the desired class.
997 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
998 when negating constants.
1000 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
1002 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
1003 * doc/tree.texi: Ditto.
1005 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
1006 Jakub Jelinek <jakub@redhat.com>
1008 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
1009 (extract_cie_info): Handle "eh" augmentation properly,
1011 (struct frame_state, __frame_state_for): New.
1013 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1015 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
1016 HANDLE_SYSV_PRAGMA): Define.
1017 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
1019 (copy_object): Caller changed.
1021 2001-07-19 Andreas Schwab <schwab@suse.de>
1023 * configure.in (assembler dwarf2 debug_line support): Define nop
1025 * configure: Regenerated.
1027 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1029 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
1031 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
1032 to conditionally compiled block.
1033 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1034 * dbxout.h (dbxout_function): Remove.
1035 * debug.c (do_nothing_debug_hooks): Update.
1036 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
1037 global_decl, deferred_inline_function.
1038 * dwarf2out.c (dwarf2_debug_hooks): Update.
1039 (dwarf2out_global_decl): New.
1040 * dwarfout.c: Don't include dwarfout.h.
1041 (dwarfout_global_decl, dwarfout_function_decl,
1042 dwarfout_deferred_inline_function): New.
1043 (dwarf_debug_hooks): Update.
1044 * dwarfout.h: Remove.
1045 * final.c: Don't include dwarfout.h.
1046 * sdbout.c (sdbout_global_decl): New.
1047 (sdbout_debug_hooks): Update.
1048 * toplev.c: Don't include dwarfout.h.
1049 (check_global_declarations, rest_of_compilation): Use new debug hooks.
1050 (note_deferral_of_defined_inline_function): Remove.
1051 * toplev.h (note_deferral_of_defined_inline_function): Remove.
1052 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
1053 * ch/lex.c: Don't include dwarfout.h.
1054 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
1055 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
1056 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
1057 * cp/optimize.c: Include debug.h.
1058 (maybe_clone_body): Use debug hook.
1059 * cp/semantics.c: Include debug.h.
1060 (expand_body): Use debug hook.
1061 * po/POTFILES.in: Remove dwarfout.h.
1063 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
1065 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
1066 * c-parse.in (yyerror, _yylex): Similarly.
1067 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
1068 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
1070 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
1071 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
1073 2001-07-18 Jeff Sturm <jsturm@one-point.com>
1075 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
1076 in-class declaration at -g1. Fixes c++/2814.
1078 2001-07-18 Richard Henderson <rth@redhat.com>
1080 * doc/md.texi (reload_in/out): Document restrictions in predicates
1081 and constraints for these patterns. Document empty string matching
1084 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1086 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
1088 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1090 * cse.c: Undo my previous patch.
1092 2001-07-18 Tom Tromey <tromey@redhat.com>
1095 * configure: Rebuilt.
1096 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
1098 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
1100 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
1101 Jan Hubicka <jh@suse.cz>
1103 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
1104 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
1105 * jump.c (mark_jump_label): Do not forward branches.
1107 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
1109 * cse.c (delete_trivially_dead_insns): Delete the libcall block
1110 when return value is unused.
1112 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1114 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
1116 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
1118 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
1119 on error. We can't blindly return the result of
1120 pthread_mutex_trylock because it returns a positive number on
1121 error, while we must return -1 on error.
1122 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
1124 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
1126 2001-07-18 Andreas Jaeger <aj@suse.de>
1128 * integrate.c (output_inline_function): Correct type of debug_hooks.
1130 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
1132 * combine.c (combine_simplify_rtx): DIV can be treated
1133 associatively for floats if unsafe math optimisations are enabled.
1135 2001-07-17 Richard Henderson <rth@redhat.com>
1137 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
1139 2001-07-17 Richard Henderson <rth@redhat.com>
1141 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
1142 don't force the function address into a register.
1143 (expand_call, emit_library_call_value_1): Update callers.
1144 * builtins.c (expand_builtin_apply): Likewise.
1145 * expr.h (prepare_call_address): Update decl.
1147 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
1149 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
1151 * config/i386/chorus.h: Move up.
1152 * config/sparc/chorus.h: Likewise.
1153 * config/rs6000/chorus.h: Likewise.
1154 * config/chorus.h: Moved here.
1156 2001-07-17 Andreas Schwab <schwab@suse.de>
1158 * configure.in (assembler eh_frame optimization): Handle big
1160 * configure: Regenerated.
1162 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
1164 * expr.c (epxand_expr): Convert divisions into multiplications by
1165 reciprocals if -ffast-math.
1167 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
1169 * dbxout.c (dbxout_really_begin_function): Rename to
1170 dbxout_begin_function.
1171 (dbx_debug_hooks, xcoff_debug_hooks): Update.
1172 (dbxout_begin_function): Remove.
1173 (dbxout_function): Update.
1174 (dbxout_source_line): Update prototype.
1175 * dbxout.h (dbxout_begin_function): Remove.
1176 * debug.c (do_nothing_debug_hooks): Update.
1177 (debug_nothing_tree): Update.
1178 (debug_nothing_charstar_rtx): Remove.
1179 * debug.h (union tree_node): Declare.
1180 (struct rtx_def): Remove.
1181 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
1182 begin_function. Change source_line prototype.
1183 (debug_nothing_tree): New.
1184 (debug_nothing_charstar_rtx): Delete.
1185 (dwarf2out_begin_prologue): Moved from ...
1187 * dwarf2out.c (dwarf2_debug_hooks): Update.
1188 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
1189 debug info, call dwarf2out_source_line.
1190 (dwarf2out_souce_line): Update prototype.
1191 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
1192 Change prototype, make static.
1193 (dwarfout_source_line): Update prototype.
1194 (dwarf_debug_hooks): Update.
1195 * dwarfout.h (dwarfout_begin_function): Remove.
1196 * final.c (final_start_function, final_scan_insn): Use appropriate
1197 debug hooks, update to use notice_source_line.
1198 (output_source_line): Rename notice_source_line. Don't call the
1199 source_line debug hook.
1200 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
1201 make static, update prototype.
1202 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
1204 (sdbout_end_prologue): New.
1205 (sdbout_source_line): Update prototype.
1206 (sdbout_debug_hooks): Update.
1207 (sdbout_symbol): Remove unused var.
1208 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
1210 * varasm.c: Include debug.h.
1211 (assemble_start_function): Use begin_function debug_hook.
1212 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
1213 update with prototype.
1214 (xcoffout_source_line): Update prototype.
1215 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
1217 (xcoffout_source_line): Update prototype.
1219 2001-07-17 Richard Henderson <rth@redhat.com>
1221 * c-typeck.c (build_binary_op): Do not shorten unsigned
1222 right shift after sign extension.
1224 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1226 * combine.c (combine_simplify_rtx): Attempt to simplify
1227 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
1229 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
1230 (simplify_binary_operation, simplify_unary_operation,
1231 simplify_relational_operation): Use it.
1233 * combine.c (combine_simplify_rtx): Don't do associative law
1234 on divisions; allow associative law on floats.
1236 2001-07-17 H.J. Lu <hjl@gnu.org>
1237 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1239 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
1240 ASM_OUTPUT_WEAK_ALIAS are defined.
1241 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
1242 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
1244 * config/mips/iris5.h: ... here.
1245 (HANDLE_SYSV_PRAGMA): Defined as 1.
1246 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
1247 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
1250 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
1252 * c-parse.in (all_prefix_attributes): New variable.
1253 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
1254 (maybe_resetattrs): New production.
1255 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
1256 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
1257 notype_initdcl, nested_function, notype_nested_function,
1258 component_decl, components, components_notype,
1259 component_declarator, component_notype_declarator,
1260 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
1261 ivars, mydecl, myparm): Update. Avoid prefix attributes just
1262 after a comma being applied to more than one declarator.
1263 * doc/extend.texi (Attribute Syntax): Update. Remove
1264 documentation of bugs that are no longer present.
1266 2001-07-13 Eric Christopher <echristo@redhat.com>
1268 * config/mips/mips.h: Change TUNE_MIPS* options to use
1270 (EXTRA_SPECS): Add cc1_cpu_spec.
1271 * config/mips/mips.md (muldf3): Fix typo.
1273 2001-07-16 Richard Henderson <rth@redhat.com>
1275 * config/m68k/m68k.c: Include expr.h and reload.h.
1276 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
1277 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
1279 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1280 Richard Henderson <rth@redhat.com>
1282 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
1283 (insn_live_p): Fix fall off end of function.
1284 (dead_libcall_p): Remove COUNTS argument; update callers.
1285 (delete_trivially_dead_insns): Remove unused variables.
1287 2001-07-17 Andreas Jaeger <aj@suse.de>
1289 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
1292 * lcm.c (optimize_mode_switching): Avoid warning for unused
1293 variable if !NORMAL_MODE.
1295 * flow.c (try_crossjump_to_edge): Remove unused variable.
1297 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1299 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
1300 atexit declaration in stdlib.h.
1302 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
1304 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
1306 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1308 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
1309 * except.c (finish_eh_generation): Update call of cleanup_cfg;
1310 do rebuild_jump_labels instead of jump_optimize
1311 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
1312 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
1313 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
1315 * flow.c: Include timevar.h
1316 (find_basic_block): Push/pop timevar;
1317 (cleanup_cfg): Likewise.
1318 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
1319 * Makefile: Add dependencies on timevar.h
1321 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
1322 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
1324 * rtl.h (delete_trivially_dead_insns): Add new parameter.
1325 * toplev.c (rest_of_compilation): Update calls.
1326 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
1327 (delete_trivially_dead_insns): ... here; accept new argument
1328 preserve_basic_blocks; preserve basic blocks if set.
1330 * reg-stack.c (stack_regs_mentioned): Return 0 if
1331 stack_regs_mentioned_data is not initialized.
1332 (reg_to_stack): Make stack_regs_mentioned survive after the
1333 reg-stack is completted; do not call cleanup_cfg.
1334 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
1335 make cleanup_cfg after bb-reorder to output to debug file.
1337 2001-07-16 Richard Henderson <rth@redhat.com>
1339 * regclass.c (init_reg_sets): Use only 32 bits per initializer
1340 from int_reg_class_contents.
1342 2001-07-16 Richard Henderson <rth@redhat.com>
1344 * hard-reg-set.h (regs_invalidated_by_call): Declare.
1345 * regclass.c (regs_invalidated_by_call): Move from cse.c.
1346 (init_reg_sets_1): Move initialization from cse_main.
1347 * cse.c (regs_invalidated_by_call): Move to regclass.c.
1348 (cse_main): Move its initialization also.
1349 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
1350 * flow.c (propagate_one_insn): Likewise.
1351 * gcse.c (compute_hash_table): Likewise.
1352 (compute_kill_rd, compute_store_table): Likewise.
1353 * sched-deps.c (sched_analyze_1): Likewise.
1355 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
1357 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
1360 2001-07-16 Steve Ellcey <sje@cup.hp.com>
1362 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
1363 in if statement so we don't access undefined memory.
1365 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
1367 * gcse.c: Update comment at top.
1368 Update comment on mem handling.
1369 mem_last_set, mem_first_set, mem_set_in_block: gone.
1370 Declaration of reg_set_info: gone.
1371 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
1372 pointless with load_killed_in_block_p (they are *more*
1373 conservative then it, not less, and less accurate).
1374 (oprs_not_set_p): Ditto.
1375 (alloc_gcse_mem): Don't allocate mem_set_in_block
1376 (free_gcse_mem): Don't free it, either.
1377 (record_last_mem_set_info): Update comment in front, remove
1378 mem_*set_* stuff. Note the reason we don't handle stores directly
1380 (compute_hash_table): Update comments to reflect reality. Remove
1381 mem_*set_* references.
1382 (reset_opr_set_tables): Remove mem_*set_* references.
1384 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
1385 (mark_clobber): Ditto (on both parts, we double set here too).
1386 (expr_killed_p): Remove mem_set_in_block test.
1387 (compute_transp): Remove mem_set_in_block test.
1389 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
1390 of edge, and removal of phi alternative to dump file.
1391 (ssa_ccp_substitute_constants): Add note about register now being
1392 constant, and which uses were replaced in what insns to dump file.
1394 2001-07-16 Andreas Jaeger <aj@suse.de>
1396 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
1397 variables of type HOST_WIDEST_INT.
1399 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
1400 (__bb_exit_func): Correct type of count_max to avoid overflow.
1401 (num_digits): Handle long long argument.
1403 * combine.c (gen_lowpart_for_combine): Remove unused variable.
1405 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1407 * output.h (sdb_begin_function_line): Restore as an extern
1409 * sdbout.c (sdb_begin_function_line): Make extern.
1411 2001-07-15 Richard Henderson <rth@redhat.com>
1413 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
1414 * genrecog.c (maybe_both_true_mode): New.
1415 (maybe_both_true_2): Use it.
1416 (write_switch): Don't put Pmode in a switch.
1417 * rtl.c (mode arrays): Don't explicitly size them.
1419 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1421 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
1422 handling; move unconditional splitting before mode switching.
1424 * i386.md (type): Add fistp type.
1425 (i387, length_attr, scheduling definitions): Handle this type.
1426 (fix_trunc?f?i2): Revamp to use mode switching.
1427 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
1428 * i386.h (fp_cw_mode): New enum
1429 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
1430 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
1432 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1434 * Makefile.in (integrate.o): Add debug.h.
1435 * integrate.c (debug.h): Add.
1436 (output_inline_function): Save, reset, and restore debug_hooks.
1438 2001-07-15 Richard Henderson <rth@redhat.com>
1440 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
1441 instead of COMPARE for the EQUIV expression.
1443 2001-07-15 Richard Henderson <rth@redhat.com>
1445 * flow.c (redirect_edge_and_branch_force): Initialize
1446 global_live_at_start and global_live_at_end.
1447 (allocate_bb_life_data): Export.
1448 * basic-block.h (allocate_bb_life_data): Declare.
1449 * toplev.c (rest_of_compilation): Call it.
1451 2001-07-15 Richard Henderson <rth@redhat.com>
1453 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
1454 (alpha_tablejump_best_label): New.
1455 * config/alpha/alpha-protos.h: Declare them.
1456 * config/alpha/alpha.md: Use braced strings for code blocks.
1457 (tablejump_osf): Break out add with r29.
1458 (tablejump_osf_internal): Remove.
1459 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
1460 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
1462 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1464 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
1467 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
1469 * i386-protos.h (ix86_split_fp_branch): Update prototype.
1470 (ix86_fp_jump_nontrivial_p): New.
1471 * i386.md (fp_jcc_?): Update call of split_fp_branch;
1472 use ix86_fp_jump_nontrivial_p.
1473 * i386.c (ix86_fp_jump_nontrivial_p): New.
1474 (ix86_split_fp_branch): Accept code instead of rtx.
1475 (ix86_expand_compare): Expand comparison early in case
1476 doing so is resonably cheap.
1478 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
1480 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
1482 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
1483 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
1485 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
1487 * dbxout.c (dbxout_source_line): Make static, update prototype.
1488 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
1489 (dbxout_init, dbxout_finish, dbxout_source_line,
1490 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
1491 * dbxout.h (dbxout_source_line): Delete.
1492 * debug.c (debug_nothing_file, debug_nothing_file_int,
1493 debug_nothing_file_charstar_rtx): New.
1494 (do_nothing_debug_hooks): Update.
1495 (debug_nothing_void, debug_nothing_charstar_rtx,
1496 dwarf2out_end_epilogue): New.
1497 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
1498 * debug.h (struct rtx_def): Declare.
1499 (gcc_debug_hooks): New hooks source_line, end_epilogue
1501 (debug_nothing_void, debug_nothing_charstar_rtx,
1502 dwarf2out_end_epilogue): New.
1503 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
1504 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
1505 (dwarf2_debug_hooks): Update.
1506 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
1507 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
1508 * dwarf2out.h (dwarf2out_source_line): Remove.
1509 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
1510 Make static, update prototype.
1511 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
1512 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
1513 (dwarf_debug_hooks): Update.
1514 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
1515 dwarfout_end_function): Remove.
1516 * final.c (profile_function): Use debug hooks for ending functions
1518 (output_source_line, final_end_function): Update prototype,
1520 (final_start_function, final_scan_insn): Update.
1521 * output.h (sdb_begin_function_line): Remove.
1522 (final_end_function): Update prototype.
1523 * sdbout.c (sdb_begin_function_line): Make static.
1524 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
1525 (sdbout_source_line): New.
1526 (sdbout_end_epilogue, sdbout_end_function): Make static, update
1528 (sdb_debug_hooks): Update.
1529 (sdbout_init, sdbout_source_line,
1530 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
1531 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
1532 * toplev.c (compile_file, rest_of_compilation): Update.
1533 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
1534 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
1535 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
1536 Update for prototype changes.
1537 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
1538 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
1540 2001-07-15 Richard Henderson <rth@redhat.com>
1542 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
1543 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
1544 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
1545 * config/alpha/alpha.c: Likewise.
1546 * config/alpha/alpha.md: Likewise.
1547 * config/alpha/alpha32.h: Likewise.
1548 * config/alpha/vms.h: Likewise.
1551 2001-07-14 Richard Henderson <rth@redhat.com>
1553 * config/alpha/alpha.md: Use define_constants for unspec values.
1554 Substitute throughout.
1556 2001-07-14 Tim Josling <tej@melbpc.org.au>
1558 * tree.def (EXPON_EXPR) remove. Never supported anyway.
1560 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
1562 * pa.md: Remove unused constraints from define_split's.
1564 2001-04-14 Richard Henderson <rth@redhat.com>
1566 * ifcvt.c (find_cond_trap): Test for exit block.
1568 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
1570 Re-install recently reverted patch.
1571 * emit-rtl.c (try_split): Update mark_jump_label call.
1572 * flow.c (find_sub_basic_blocks): Likewise.
1573 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
1575 (mark_all_labels): Kill second parameter.
1576 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
1577 (rebuild_jump_labels, jump_optimize_minimal): Update call
1579 (jump_optimize_1): Kill crossjumping code.
1580 (mark_jump_label): Kill cross_jump parameter.
1581 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
1582 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
1583 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
1585 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
1587 (dump_file_info): Likewise.
1588 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
1589 reorganize passes to do reg-stack first, bb-reorder second.
1590 * invoke.texi (-d letters doc): Remove the jump2 pass.
1592 2001-07-14 Richard Henderson <rth@redhat.com>
1594 * ifcvt.c (find_cond_trap): New.
1595 (find_if_header): Call it.
1596 (merge_if_block): Relax existing jump sanity check.
1597 * jump.c (jump_optimize_1): Remove conditional trap handling.
1599 2001-07-14 Alan Modra <amodra@bigpond.net.au>
1601 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
1603 (insn_refs_are_delayed): Correct comment.
1604 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
1605 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
1606 instead of r31. Make associated insn !TARGET_64BIT, and
1607 provide an additional 64-bit insn that clobbers r2.
1609 (udivsi3): Likewise.
1611 (umodsi3): Likewise.
1613 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
1615 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
1617 * flow.c (redirect_edge_and_branch_force, split_edge,
1618 try_crossjump_to_edge): Use set_block_for_new_insns.
1619 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
1621 2001-07-13 H.J. Lu (hjl@gnu.org)
1623 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
1626 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
1628 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
1630 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
1632 * c-common.c (decl_attributes): Take a pointer to the node to
1633 which attributes are to be attached, and a flags argument.
1634 * c-common.h (enum attribute_flags): New.
1635 (decl_attributes): Update prototype.
1636 * c-decl.c (start_decl, push_parm_decl, finish_struct,
1637 finish_enum, start_function): Update calls to decl_attributes.
1638 * c-parse.in (component_declarator, component_notype_declarator,
1639 label): Update calls to decl_attributes.
1641 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
1643 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
1644 * config/avr/avr.c (legitimate_address_p): Return value changed
1645 from letter to register classes. For better debugging.
1647 2001-07-13 Kazu Hirata <kazu@hxi.com>
1649 * jump.c (reversed_comparison_code_parts): Fix comment typos.
1651 2001-07-13 H.J. Lu (hjl@gnu.org)
1653 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
1655 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
1657 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
1658 correctly for shared configurations.
1659 * config/t-libgcc-pic: New.
1660 * config/{i386,m68k,sparc}/t-openbsd: New.
1661 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
1662 Support -shared. Support debugging libraries with -g.
1663 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
1664 frame information does not emit pointer diffs.
1665 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
1668 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
1670 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
1672 2001-07-13 David Edelsohn <edelsohn@gnu.org>
1674 * combine.c (try_combine): Ensure const_int pow2 is positive.
1676 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
1678 * config.gcc: Add configuration for s/390.
1679 * config/s390/s390.c: New. Subroutines for code generation.
1680 * config/s390/s390.h: New. Definitions for s/390.
1681 * config/s390/s390-protos.h: New. Prototypes.
1682 * config/s390/linux.h: New. Definitions for linux for s/390.
1683 * config/s390/linux64.h: New. Definitions for linux for zSeries.
1684 * config/s390/t-linux: New. Makefile fragment.
1685 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
1686 * config/s390/fixdfdi.h: New. Fix L_fix*di.
1688 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1690 * emit-rtl.c (try_split): Update mark_jump_label call.
1691 * flow.c (find_sub_basic_blocks): Likewise.
1692 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
1694 (mark_all_labels): Kill second parameter.
1695 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
1696 (rebuild_jump_labels, jump_optimize_minimal): Update call
1698 (jump_optimize_1): Kill crossjumping code.
1699 (mark_jump_label): Kill cross_jump parameter.
1700 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
1701 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
1702 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
1704 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
1706 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
1707 reorganize passes to do reg-stack first, bb-reorder second.
1708 * invoke.texi (-d letters doc): Remove the jump2 pass.
1710 2001-07-12 Steve Ellcey <sje@cup.hp.com>
1712 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
1714 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1716 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
1718 (verify_flow_info): Make diagnostics prettier.
1720 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1722 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
1724 * flow.c (outgoing_edges_match): Return early if condition reversal
1727 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
1729 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
1730 (mips_move_2words): When splitting a move into two instructions,
1731 prefix the second address operand with '%D'.
1733 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
1735 * Makefile.in (final.o): Depend on debug.h.
1736 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
1737 (dbx_debug_hooks): Add new hooks.
1738 (xcoff_debug_hooks): New.
1739 * debug.c (debug_nothing_file_int_int): New.
1740 (do_nothing_debug_hooks): Update.
1741 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
1742 (debug_nothing_file_int_int): New.
1743 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
1744 static, update prototype.
1745 (dwarf2_debug_hooks): Update.
1746 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
1747 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
1748 static, update prototype.
1749 (dwarf_debug_hooks): Update.
1750 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
1751 * final.c: Include debug.h.
1752 (final_scan_insn): Use debug hooks when beginning and ending blocks.
1753 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
1754 static, update prototype.
1755 (sdb_debug_hooks): Update.
1756 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
1757 * toplev.c: Distinguish between xcoff and dbx.
1759 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
1760 Call all debug hooks, not just dwarf ones.
1762 2001-07-11 Timothy Wall <twall@redhat.com>
1764 * config.gcc: Add configuration for AIX5/IA64.
1765 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
1766 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
1767 support prefix/suffix code.
1768 * config/ia64/t-aix: New. Makefile fragment.
1769 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
1771 2001-07-11 Kazu Hirata <kazu@hxi.com>
1773 * recog.c (validate_change): Fix a comment typo.
1775 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
1777 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
1778 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
1780 * dbxout.c (dbx_debug_hooks): Add new hooks.
1781 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
1783 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
1785 * dbxout.h (dbxout_start_new_source_file,
1786 dbxout_resume_previous_source_file): Delete.
1787 * debug.c (do_nothing_debug_hooks): Add new hooks.
1788 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
1789 (debug_nothing_int_charstar, debug_nothing_int): New.
1790 * debug.h (gcc_debug_hooks): New hooks define, undef,
1791 start_source_file and end_source_file.
1792 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
1793 (debug_nothing_int_charstar, debug_nothing_int): New.
1794 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
1795 the conditionally compiled section.
1796 (dwarf2out_start_source_file, dwarf2out_end_source_file,
1797 dwarf2out_define, dwarf2out_undef): Make static.
1798 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
1799 dwarf2out_define, dwarf2out_undef): Remove.
1800 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
1801 (dwarfout_start_source_file, dwarfout_end_source_file,
1802 dwarfout_define, dwarfout_undef): Make static.
1803 (dwarfout_start_source_file_check,
1804 dwarfout_end_source_file_check): New.
1805 (dwarfout_define, dwarfout_finish): Update.
1806 * dwarfout.h (dwarfout_start_new_source_file,
1807 dwarfout_resume_previous_source_file, dwarfout_define,
1808 dwarfout_undef): Remove.
1809 * sdbout.c (sdb_debug_hooks): Add new hooks.
1810 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
1812 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
1813 make static, take an arg.
1814 * sdbout.h (sdbout_start_new_source_file,
1815 sdbout_resume_previous_source_file): Delete.
1816 * toplev.c (debug_start_source_file, debug_end_source_file,
1817 debug_define, debug_undef): Delete.
1818 * toplev.h (debug_start_source_file, debug_end_source_file,
1819 debug_define, debug_undef): Delete.
1821 * java/jcf-parse.c: Include debug.h.
1822 (parse_class_file): Update to use debug hooks directly.
1823 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
1825 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1827 * alias.c (set_mem_alias_set): New function.
1828 * rtl.h (set_mem_alias_set): Declare it.
1829 * builtins.c (expand_builtin_return_addr): Call it instead of
1830 using MEM_ALIAS_SET accessor.
1831 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
1832 (get_memory_rtx, expand_builtin_va_arg): Likewise.
1833 (expand_builtin_va_copy):Likewise.
1834 * caller-save.c (setup_save_areas): Likewise.
1835 * calls.c (compute_argument_addresses): Likewise.
1836 * explow.c (set_mem_attributes): Likewise.
1837 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
1838 (expand_assignment, store_constructor_field, store_field): Likewise.
1839 (expand_expr_unaligned): Likewise.
1840 * function.c (assign_stack_temp_for_type): Likewise.
1841 (put_reg_into_stack, gen_mem_addressof): Likewise.
1842 * ifcvt.c (noce_try_cmove_arith): Likewise.
1843 * reload1.c (reload, alter_reg): Likewise.
1844 * config/alpha/alpha.c (get_aligned_mem): Likewise.
1845 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
1846 (alpha_expand_unaligned_store): Likewise
1847 (alpha_expand_unaligned_load_words): Likewise.
1848 (alpha_expand_unaligned_store_words): Likewise.
1849 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
1850 (alpha_expand_epilogue): Likewise.
1851 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
1852 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
1853 * config/i386/i386.c (legitimize_pic_address): Likewise.
1854 * config/i960/i960.c (setup_incoming_varargs): Likewise.
1855 * config/ia64/ia64.c (spill_restore_mem): Likewise.
1856 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
1857 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
1858 * config/mips/mips.c (mips_va_arg): Likewise.
1859 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
1860 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
1861 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
1862 (setup_incoming_varargs, rs6000_va_arg): Likewise.
1863 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
1864 (rs6000_emit_epilogue): Likewise.
1865 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
1866 * config/sparc/sparc.c (sparc_va_arg): Likewise.
1867 * config/v850/v850.c (v850_va_arg): Likewise.
1869 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1871 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
1872 when fallthru edge is present.
1873 (mege_blocks): Handle case where creation of jump insn
1876 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
1877 CLEANUP_POST_REGSTACK): New constants.
1878 * except.c (finish_eh_generation): Update call of cleanup_cfg,
1879 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
1880 * output.h (cleanup_cfg): Update prototype.
1881 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
1882 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
1883 cleanup_cfg call; kill missleading comment.
1884 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
1885 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
1886 parameter; control optimizations performed using it.
1887 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1888 try_crossjump_bb): New functions.
1890 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
1892 * pa.c (pa_output_function_prologue): Delete prototype. Make function
1894 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
1895 pa_output_function_prologue.
1896 * pa-protos.h (pa_output_function_prologue): New prototype.
1898 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
1900 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
1901 and low to get correct sign extension in low+high test.
1903 2001-07-11 Janis Johnson <janis@us.ibm.com>
1905 * gcov.c (arcdata): Use gcov_type to fix branch percentage
1906 for large hit count.
1908 * profile.c (branch_prob): Fix .bbg info for computed gotos
1911 2001-07-11 Mark Mitchell <mark@codesourcery.com>
1913 * stmt.c (parse_output_constraint): New function, split out
1915 (expand_asm_operands): ... here. Use parse_output_constraint.
1916 * tree.h (parse_output_constraint): Declare it.
1918 2001-07-11 Richard Henderson <rth@redhat.com>
1920 * bitmap.c: Comment some functions; fiddle whitespace.
1921 (bitmap_free): Don't export.
1922 (bitmap_element_allocate): Use memset.
1923 * bitmap.h (bitmap_free): Don't declare.
1925 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
1927 * gcse.c, lcm.c, sched-deps.c:
1928 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
1930 * flow.c (flow_loops_find): Free dom if we found no loops, since
1931 we aren't going to save it.
1933 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
1936 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
1938 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
1940 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1942 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
1943 #ifndef DWARF2_DEBUGGING_INFO.
1945 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
1947 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
1949 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
1951 * config/mips/mips.c (gen_int_relational): Tell the caller not to
1952 reverse a branch if a NE comparison is implemented with GTU.
1954 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
1955 H.J. Lu <hjl@gnu.org>
1957 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
1959 (call_internal2): Likewise.
1960 (call_value_internal1): Likewise.
1961 (call_value_internal2): Likewise.
1962 (call_value_multiple_internal1): Likewise.
1963 (call_value_multiple_internal2): Likewise.
1965 2001-07-10 Kazu Hirata <kazu@hxi.com>
1967 * calls.c (emit_library_call_value_1): Fix a comment typo.
1968 * dwarf2out.c (mem_loc_descriptor): Likewise.
1969 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
1971 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
1973 * simplify-rtx.c (simplify_subreg): Fix typo in comment
1975 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1977 * recog.c (offsettable_address_p): Handle LO_SUM case.
1978 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
1979 instead of plus_constant.
1981 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1983 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
1984 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
1986 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1988 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
1989 adjust_address_nv instead of plus_constant.
1991 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
1993 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
1994 dwarf2out.o): Depend on debug.h, wrap long lines.
1995 * dbxout.c: Include debug.h.
1996 (dbx_debug_hooks): New.
1997 (dbxout_init): Make static, take just 2 args.
1998 (dbxout_finish): Make static.
1999 * dbxout.h (dbxout_init, dbxout_finish): Delete.
2000 * debug.c: New file.
2001 * debug.h: New file.
2002 * dwarf2out.c: Include debug.h.
2003 (dwarf2_debug_hooks): New.
2004 (dwarf2out_init): Make static.
2005 (dwarf2out_finish): Make static, take 2 args.
2006 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
2007 * dwarfout.c: Include debug.h.
2008 (dwarf_debug_hooks): New.
2009 (dwarfout_init): Make static.
2010 (dwarfout_finish): Make static, take 2 args.
2011 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
2012 * sdbout.c: Include debug.h.
2013 (sdb_debug_hooks): New.
2014 (sdbout_init): Make static, take 2 args.
2015 * sdbout.h (sdbout_init): Delete.
2016 * toplev.c: Include debug.h.
2018 (compile_file): Set deubg_hooks based on command line options.
2019 Use the hooks unconditionally rather than conditional compilation.
2021 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
2023 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
2024 first_insn_after_basic_block_note instead.
2026 * df.c (df_bb_refs_unlink): #if 0 out for now.
2028 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
2030 * ssa.h: Add prototype for ssa_const_prop
2031 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
2032 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
2033 (ssa_fast_dce): Remove unused variable
2035 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2037 * diagnostic.c (finish_diagnostic): Rename to
2038 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
2041 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
2043 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
2046 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
2047 (dump_file): Only pad the demangled name with spaces if the
2048 mangled name was padded with spaces.
2050 2001-07-10 Bernd Schmidt <bernds@redhat.com>
2052 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
2055 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2057 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
2058 extraction if no direct load if either EXPAND_CONST_ADDRESS or
2061 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
2062 whether can put offset inside LO_SUM to check mode alignment, not size.
2064 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2066 * doc/tm.texi (Misc): Fix thinko.
2068 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
2070 * regmove.c (replace_in_call_usage): Fix warnings.
2071 * sched-deps.c (add_dependence): Fix warnings.
2072 * simplify-rtx.c (simplify_subreg): Likewise.
2073 Return NULL_RTX instead of NULL.
2075 * reg-stack.c (emit_swap_insn): Eliminate warnings.
2076 (subst_asm_stack_regs): Likewise.
2078 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
2081 * dwarf2out.c (output_call_frame_info): Declare i as int.
2082 (build_abbrev_table): Declare n_alloc as int.
2083 (dwarf2out_finish): Initialize die.
2084 * except.c: Declare sjlj_funcdef_number as unsigned.
2085 (connect_post_landing_pads): Declare j as unsigned.
2086 (convert_to_eh_region_ranges): Initialize call_site.
2087 (output_function_exception_table): Initialize tt_format_size.
2088 * expr.c (move_by_pieces_1): Initialize to1.
2089 (store_constructor): Initialize minelt and maxelt.
2090 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
2091 * function.c (instantiate_decls): Avoid signed/unsigned warning.
2093 * c-decl.c (combine_parm_decls): Unused, remove.
2094 * c-tree.h: Remove prototype for combine_parm_decls.
2096 * reload.c (push_reload): Fix warning.
2097 (regno_clobbered_p): Likewise.
2098 * reload1.c (replace_pseudos_in_call_usage): Likewise.
2099 (reload_combine): Likewise.
2101 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
2102 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
2104 * bitmap.c (bitmap_operation): Change user.
2105 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
2107 2001-07-10 Eric Christopher <echristo@redhat.com>
2109 * config/mips/mips.c (override_options): Fix typo.
2111 2001-07-09 Stan Shebs <shebs@apple.com>
2113 * target.h (struct gcc_target): New fields init_builtins and
2115 * target-def.h (TARGET_INIT_BUILTINS): New macro.
2116 (TARGET_EXPAND_BUILTIN): New macro.
2117 (TARGET_INITIALIZER): Add them.
2118 * builtins.c: Include target.h.
2119 (expand_builtin): Use targetm.expand_builtin.
2120 (default_init_builtins): New function.
2121 (default_expand_builtin): New function.
2122 * expr.h (default_init_builtins): Declare.
2123 (default_expand_builtin): Declare.
2124 * c-common.c (c_common_nodes_and_builtins): Use
2125 targetm.init_builtins.
2126 * defaults.h (MD_INIT_BUILTINS): Remove.
2127 * Makefile.in (builtins.o): Depend on target.h.
2129 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
2130 (TARGET_EXPAND_BUILTIN): Define.
2131 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
2132 (MD_EXPAND_BUILTIN): Remove.
2134 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
2135 (TARGET_EXPAND_BUILTIN): Define.
2136 (c4x_init_builtins): Make endlink arg a local.
2137 (c4x_print_operand): Fix typos in adjust_address usages.
2138 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
2139 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
2140 (MD_EXPAND_BUILTIN): Remove.
2142 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
2143 (TARGET_EXPAND_BUILTIN): Define.
2144 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
2145 (ix86_init_builtins): Call new function only if TARGET_MMX.
2146 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
2147 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
2148 (MD_EXPAND_BUILTIN): Remove.
2150 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
2151 (TARGET_EXPAND_BUILTIN): Define.
2152 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
2153 (MD_EXPAND_BUILTIN): Remove.
2155 * doc/tm.texi: Document these changes.
2157 2001-07-09 Diego Novillo <dnovillo@redhat.com>
2159 * basic-block.h (tree_node): Forward declare if needed.
2160 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
2161 (BLOCK_HEAD_TREE): Define.
2162 (BLOCK_END_TREE): Define.
2163 (struct loops): Rename field 'tree' to 'tree_root'.
2164 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
2166 (flow_loops_tree_build): Rename reference to field 'tree' to
2168 (flow_loops_level_compute): Ditto.
2169 * predict.c (estimate_bb_frequencies): Ditto.
2170 * tree.h (struct tree_common): Add field 'aux'.
2172 2001-07-09 Stan Shebs <shebs@apple.com>
2174 * config/darwin.c (darwin_encode_section_info): Don't mark any
2175 DECL_EXTERNAL node as defined.
2177 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
2179 * pa.c (pa_init_machine_status, pa_mark_machine_status,
2180 pa_free_machine_status, hppa_init_pic_save): Delete.
2181 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
2182 (hppa_profile_hook): Use hppa_pic_save_rtx.
2183 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
2184 hppa_init_pic_save): Delete.
2185 (hppa_pic_save_rtx): Declare.
2186 * pa.md (call, call_value, sibcall, sibcall_value,
2187 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
2189 2001-07-09 Kazu Hirata <kazu@hxi.com>
2191 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
2192 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
2194 2001-07-09 Andreas Jaeger <aj@suse.de>
2196 * output.h: Add declaration of final_forward_branch_p.
2198 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
2200 * varray.c: Include errors.h for internal_error and trim_filename
2203 * Makefile.in (varray.o): Add errors.h.
2205 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
2207 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
2208 * optabs.c (have_add2_insn): Check whether the add insn chosen
2209 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
2210 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
2212 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
2214 * Makefile.in (OBJS): Add ssa-ccp.o
2215 (ssa-ccp.o): Add dependencies.
2216 * toplev.c (DFI_ssa_ccp): New dump file enum.
2217 (dump_file): Add entry for dumping after SSA CCP.
2218 (flag_ssa_ccp): New flag variable.
2219 (f_options): Add -fssa-ccp.
2220 (rest_of_compilation): Run SSA CCP if requested.
2221 * timevar.def (TV_SSA_CCP): New timevar.
2222 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
2223 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
2224 Fix minor typo in SSA DCE documentation.
2225 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
2226 Add documentation for new dump option. Renumber dump files
2229 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2231 * emit-rtl.c (gen_highpart_mode): New.
2232 * rtl.h (gen_highpart_mode): Declare.
2233 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
2234 operand can be VOIDmode constant.
2236 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2238 * flow.c (redirect_edge_and_branch_force): New.
2239 (can_fallthru): Ensure that basic blocks are succeeding.
2240 (try_optimize_cfg): Do not delete basic block if it is the last one.
2242 * flow.c (try_redirect_by_replacing_jump): Do not remove
2243 jumps with side effects, unlink chain on fallthru edge;
2244 set block for new jump instruction; avoid basic block to
2245 over by line number note.
2247 * flow.c (try_simplify_condjump): Verify that the condjump
2248 is not always falling trought.
2251 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
2253 * flow.c (forwarder_block_p): Fix for fallthru blocks.
2254 (try_redirect_by_replacing_jump): Update properly the count
2255 and frequency information.
2257 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2259 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
2260 address that is a LO_SUM specially.
2261 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
2263 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
2265 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
2266 (operand_subword): Use them.
2267 (change_address_1): Renamed from change_address; new arg VALIDATE.
2268 * expr.h: Reflect above changes; change_address now macro.
2269 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
2271 * cselib.c (add_mem_for_addr): Likewise.
2272 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2273 * regmove.c (try_apply_stack_adjustment): Likewise.
2274 * reload.c (push_reload, make_memloc): Likewise.
2275 * reload1.c (eliminate_regs): Likewise.
2276 * simplify-rtx.c (simplify_replace_rtx): Likewise.
2277 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
2279 * combine.c (make_extraction, simplify_shift_const): Likewise.
2280 (gen_lowpart_for_combine): Likewise.
2281 * cse.c (gen_lowpart_if_possible): Likewise.
2282 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2283 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
2284 * optabs.c (gen_move_insn): Likewise.
2285 * reload1.c (alter_reg): Likewise.
2286 * simplify-rtx.c (simplify_subreg): Likewise.
2287 * stmt.c (expand_anon_union_decl): Likewise.
2288 * recog.c (validate_replace_rtx_1): Likewise.
2290 * Makefile.in (recog.o): Add $(EXPR_H).
2291 * explow.c (stabilize): Call replace_equiv_address.
2292 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
2293 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
2295 2001-07-03 Andrew Haley <aph@redhat.com>
2297 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
2298 the mode of the memory location.
2300 2001-07-09 Bo Thorsen <bo@suse.co.uk>
2302 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
2304 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
2306 * final.c (output_addr_const): Use target opening and
2307 closing parentheses.
2308 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
2309 defaults, add to TARGET_ASM_OUT.
2310 * target.h (struct gcc_target): Add open_paren and close_paren.
2311 * doc/md.texi: Update.
2312 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
2313 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
2314 TARGET_ASM_CLOSE_PAREN.
2315 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2317 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
2319 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
2320 * config/a29k/a29k.h: Similarly.
2321 * config/alpha/alpha.h: Similarly.
2322 * config/arc/arc.h: Similarly.
2323 * config/arm/aof.h: Similarly.
2324 * config/arm/aout.h: Similarly.
2325 * config/avr/avr.h: Similarly.
2326 * config/c4x/c4x.h: Similarly.
2327 * config/clipper/clipper.h: Similarly.
2328 * config/convex/convex.h: Similarly.
2329 * config/d30v/d30v.h: Similarly.
2330 * config/dsp16xx/dsp16xx.h: Similarly.
2331 * config/elxsi/elxsi.h: Similarly.
2332 * config/fr30/fr30.h: Similarly.
2333 * config/h8300/h8300.h: Similarly.
2334 * config/i370/i370.h: Similarly.
2335 * config/i386/i386.h: Similarly.
2336 * config/i860/i860.h: Similarly.
2337 * config/i960/i960.h: Similarly.
2338 * config/ia64/ia64.h: Similarly.
2339 * config/m32r/m32r.h: Similarly.
2340 * config/m68hc11/m68hc11.h: Similarly.
2341 * config/m68k/m68k.h: Similarly.
2342 * config/m88k/m88k.h: Similarly.
2343 * config/mcore/mcore.h: Similarly.
2344 * config/mips/mips.h: Similarly.
2345 * config/mn10200/mn10200.h: Similarly.
2346 * config/mn10300/mn10300.h: Similarly.
2347 * config/ns32k/ns32k.h: Similarly.
2348 * config/pa/pa.h: Similarly.
2349 * config/pdp11/pdp11.h: Similarly.
2350 * config/pj/pj.h: Similarly.
2351 * config/romp/romp.h: Similarly.
2352 * config/rs6000/rs6000.h: Similarly.
2353 * config/sh/sh.h: Similarly.
2354 * config/sparc/sparc.h: Similarly.
2355 * config/v850/v850.h: Similarly.
2356 * config/vax/vax.h: Similarly.
2357 * config/we32k/we32k.h: Similarly.
2359 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
2361 * doc/c-tree.texi: Document representation of attributes.
2363 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2365 * doc/tm.texi: Update some places for the rename of target to
2368 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2370 * target.h (struct gcc_target): Add insert_attributes.
2371 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
2372 (TARGET_INITIALIZER): Update.
2373 * tree.c, tree.h (default_insert_attributes): New function.
2374 Update comments on other default functions to refer to targetm,
2376 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
2377 TARGET_INSERT_ATTRIBUTES.
2378 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
2379 * c-common.c (decl_attributes): Use targetm.insert_attributes.
2380 Don't use PRAGMA_INSERT_ATTRIBUTES.
2381 * Makefile.in (c-common.o): Depend on $(TARGET_H).
2382 * c-decl.c (start_decl, start_function): Don't call
2383 SET_DEFAULT_DECL_ATTRIBUTES.
2384 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2385 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
2387 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
2388 (c4x_check_attribute): Avoid modifying attribute list itself.
2389 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
2391 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
2392 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
2394 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
2395 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
2397 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
2398 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
2400 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
2401 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
2402 Adjust parameters. Make static.
2404 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
2406 * c-common.c (decl_attributes): Only take a single attributes
2408 * c-common.h (decl_attributes): Update prototype.
2409 * c-decl.c (start_decl, start_function): Only take a single
2410 attributes parameter. Update calls to decl_attributes.
2411 (finish_struct, finish_enum): Update calls to decl_attributes.
2412 (push_parm_decl): Expect unified list of attributes. Update call
2414 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
2415 notype_nested_function, component_declarator,
2416 component_notype_declarator, label): Update calls to
2418 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
2419 lists that are passed to push_parm_decl.
2420 * c-tree.h (start_function, start_decl): Update prototypes.
2421 * config/sh/sh-protos.h, config/sh/sh.c
2422 (sh_pragma_insert_attributes): Only take a single attributes
2424 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
2425 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
2426 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
2427 build_module_descriptor, generate_static_references,
2428 generate_strings, build_selector_translation_table,
2429 generate_descriptor_table, generate_protocols,
2430 generate_ivars_list, generate_dispatch_table,
2431 generate_protocol_list, generate_category,
2432 generate_shared_structures, really_start_method, add_objc_decls,
2433 generate_classref_translation_entry): Update calls to start_decl
2435 (build_tmp_function_decl, start_method_def): Unify attribute lists
2436 that are passed to push_parm_decl.
2438 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
2440 * final.c (no_asm_to_stream): New.
2441 (final_scan_insn): Use target structures for prologue ends
2442 and epilogue starts.
2443 * output.h (no_asm_to_stream): New.
2444 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
2445 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
2446 (TARGET_ASM_OUT): Update.
2447 * target.h (struct gcc_target): New members function_end_prologue
2448 and function_begin_epilogue.
2449 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
2450 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
2451 * config/alpha/alpha.c (output_end_prologue): Rename to
2452 alpha_output_function_end_prologue. Use in target struct
2454 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
2455 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
2456 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
2457 ia64_output_function_end_prologue. Use in target struct
2459 (ia64_function_prologue, ia64_funciton_epilogue): Rename
2460 mistyped prototypes.
2461 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
2462 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
2464 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
2465 an use in target struct, make static.
2466 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
2469 2001-07-08 Richard Henderson <rth@redhat.com>
2471 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
2473 2001-07-08 Richard Henderson <rth@redhat.com>
2475 * config/i386/i386.md: Remove constraints strings from define_split
2476 and define_peephole2 patterns.
2477 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
2478 (eh_return): Use them.
2480 2001-07-08 Richard Henderson <rth@redhat.com>
2482 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
2483 Document MD_FALLBACK_FRAME_STATE_FOR.
2485 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2487 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
2488 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
2490 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
2492 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
2494 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
2495 of the label inside NAME as opposed to just the end of NAME.
2497 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
2499 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
2500 * config/alpha/alpha.c (alpha_init_machine_status,
2501 alpha_mark_machine_status, alpha_free_machine_status): Delete.
2502 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
2503 (vms_valid_decl_attribute_p): Make static, conditionally compile.
2504 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
2506 2001-07-06 Stan Shebs <shebs@apple.com>
2508 * target.h (targetm): Rename global from "target", so as not to
2509 conflict with local variables.
2511 * c-typeck.c: Ditto.
2515 * cp/decl2.c: Ditto.
2516 * cp/typeck.c: Ditto.
2517 * 1750a/1750a.c: Ditto.
2518 * a29k/a29k.c: Ditto.
2522 * clipper/clipper.c: Ditto.
2523 * convex/convex.c: Ditto.
2524 * d30v/d30v.c: Ditto.
2525 * dsp16xx/dsp16xx.c: Ditto.
2526 * elxsi/elxsi.c: Ditto.
2527 * fr30/fr30.c: Ditto.
2528 * h8300/h8300.c: Ditto.
2529 * i370/i370.c: Ditto.
2530 * i386/i386.c: Ditto.
2531 * i860/i860.c: Ditto.
2532 * i960/i960.c: Ditto.
2533 * ia64/ia64.c: Ditto.
2534 * m32r/m32r.c: Ditto.
2535 * m68hc11/m68hc11.c: Ditto.
2536 * m68k/m68k.c: Ditto.
2537 * m88k/m88k.c: Ditto.
2538 * mips/mips.c: Ditto.
2539 * ns32k/ns32k.c: Ditto.
2541 * pdp11/pdp11.c: Ditto.
2542 * romp/romp.c: Ditto.
2543 * rs6000/rs6000.c: Ditto.
2545 * sparc/sparc.c: Ditto.
2547 * we32k/we32k.c: Ditto.
2548 * doc/tm.texi: Update the manual to match.
2550 2001-07-06 Richard Henderson <rth@redhat.com>
2552 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
2553 DWARF2_UNWIND_INFO not just whether it is defined.
2555 2001-07-06 Diego Novillo <dnovillo@redhat.com>
2557 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
2558 call to simplify_binary_operation returns a new pattern.
2560 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2562 * glimits.h (__SHRT_MAX__): New.
2563 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
2564 (SHRT_MAX): Define in terms of __SHRT_MAX__.
2566 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
2568 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
2571 2001-07-06 Richard Henderson <rth@redhat.com>
2573 * bitmap.c (bitmap_release_memory): Move adjacent to the
2574 allocation functions.
2575 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
2576 the implementation. Binary search for the set bit.
2577 (bitmap_union_of_diff): Allocate the temporary on the stack
2578 instead of using xmalloc.
2580 2001-07-06 Richard Henderson <rth@redhat.com>
2582 * genrecog.c (validate_pattern): Warn for constraints in
2583 define_{expand,split,peephole2}. Remove strict_low_part
2584 before looking up match_dup.
2586 2001-07-06 DJ Delorie <dj@redhat.com>
2588 * doc/gcc.texi (Makefile): Rename to be a more general purpose
2589 chapter about various build hints and history. Add section
2590 talking about the various types of native and cross builds.
2592 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
2594 * Makefile.in (final.o): Depend on target.h.
2595 * final.c: Include target.h.
2596 (default_function_pro_epilogue): New.
2597 (final_start_function): Use target structure for function prologues.
2598 (final_end_function): Use target structure for function epilogues.
2599 * fold-const.c (real_hex_to_f): Constify s and p.
2600 * output.h (default_function_pro_epilogue): New.
2601 * real.h (real_hex_to_f): Update prototype.
2602 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
2603 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
2604 (TARGET_INITIALIZER): Update.
2605 * target.h (gcc_target): Add struct asm_out.
2606 * doc/tm.texi: Update.
2609 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
2610 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
2611 in cpu/cpu.c, or rename old functions consistently. Take
2612 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
2613 redundant macros and prototypes. Make new functions static.
2615 * 1750a/1750a.c: Similarly.
2616 * 1750a/1750a.h: Similarly.
2617 * a29k/a29k-protos.h: Similarly.
2618 * a29k/a29k.c: Similarly.
2619 * a29k/a29k.h: Similarly.
2620 * arc/arc-protos.h: Similarly.
2621 * arc/arc.c: Similarly.
2622 * arc/arc.h: Similarly.
2623 * arm/arm-protos.h: Similarly.
2624 * arm/arm.c: Similarly.
2625 * arm/arm.h: Similarly.
2626 * avr/avr-protos.h: Similarly.
2627 * avr/avr.c: Similarly.
2628 * avr/avr.h: Similarly.
2629 * clipper/clipper-protos.h: Similarly.
2630 * clipper/clipper.c: Similarly.
2631 * clipper/clipper.h: Similarly.
2632 * convex/convex.c: Similarly.
2633 * convex/convex.h: Similarly.
2634 * d30v/d30v-protos.h: Similarly.
2635 * d30v/d30v.c: Similarly.
2636 * d30v/d30v.h: Similarly.
2637 * d30v/d30v.md: Similarly.
2638 * dsp16xx/dsp16xx-protos.h: Similarly.
2639 * dsp16xx/dsp16xx.c: Similarly.
2640 * dsp16xx/dsp16xx.h: Similarly.
2641 * elxsi/elxsi.c: Similarly.
2642 * elxsi/elxsi.h: Similarly.
2643 * fr30/fr30.c: Similarly.
2644 * fr30/fr30.md: Similarly.
2645 * h8300/h8300-protos.h: Similarly.
2646 * h8300/h8300.c: Similarly.
2647 * h8300/h8300.h: Similarly.
2648 * i370/i370-protos.h: Similarly.
2649 * i370/i370.c: Similarly.
2650 * i370/i370.h: Similarly.
2651 * i386/i386.c: Similarly.
2652 * i386/osf1elf.h: Similarly.
2653 * i386/osfrose.h: Similarly.
2654 * i860/i860-protos.h: Similarly.
2655 * i860/i860.c: Similarly.
2656 * i860/i860.h: Similarly.
2657 * i960/i960-protos.h: Similarly.
2658 * i960/i960.c: Similarly.
2659 * i960/i960.h: Similarly.
2660 * ia64/ia64-protos.h: Similarly.
2661 * ia64/ia64.c: Similarly.
2662 * ia64/ia64.h: Similarly.
2663 * m32r/m32r-protos.h: Similarly.
2664 * m32r/m32r.c: Similarly.
2665 * m32r/m32r.h: Similarly.
2666 * m68hc11/m68hc11-protos.h: Similarly.
2667 * m68hc11/m68hc11.c: Similarly.
2668 * m68hc11/m68hc11.h: Similarly.
2669 * m68k/crds.h: Similarly.
2670 * m68k/dpx2.h: Similarly.
2671 * m68k/m68k-protos.h: Similarly.
2672 * m68k/m68k.c: Similarly.
2673 * m68k/m68k.h: Similarly.
2674 * m68k/news.h: Similarly.
2675 * m88k/m88k-protos.h: Similarly.
2676 * m88k/m88k.c: Similarly.
2677 * m88k/m88k.h: Similarly.
2678 * mips/mips-protos.h: Similarly.
2679 * mips/mips.c: Similarly.
2680 * mips/mips.h: Similarly.
2681 * ns32k/merlin.h: Similarly.
2682 * ns32k/ns32k.c: Similarly.
2683 * ns32k/ns32k.h: Similarly.
2684 * ns32k/tek6000.h: Similarly.
2685 * pa/pa-protos.h: Similarly.
2686 * pa/pa.c: Similarly.
2687 * pa/pa.h: Similarly.
2688 * pdp11/2bsd.h: Similarly.
2689 * pdp11/pdp11-protos.h: Similarly.
2690 * pdp11/pdp11.c: Similarly.
2691 * pdp11/pdp11.h: Similarly.
2692 * romp/romp-protos.h: Similarly.
2693 * romp/romp.c: Similarly.
2694 * romp/romp.h: Similarly.
2695 * rs6000/rs6000-protos.h: Similarly.
2696 * rs6000/rs6000.c: Similarly.
2697 * rs6000/rs6000.h: Similarly.
2698 * rs6000/sysv4.h: Similarly.
2699 * sh/sh-protos.h: Similarly.
2700 * sh/sh.c: Similarly.
2701 * sh/sh.h: Similarly.
2702 * sparc/sparc-protos.h: Similarly.
2703 * sparc/sparc.c: Similarly.
2704 * sparc/sparc.h: Similarly.
2705 * vax/vax.c: Similarly.
2706 * vax/vax.h: Similarly.
2707 * vax/vms.h: Similarly.
2708 * we32k/we32k.c: Similarly.
2709 * we32k/we32k.h: Similarly.
2711 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
2713 * basic-block.h (first_insn_after_basic_block_note): Declare.
2714 * flow.c (first_insn_after_basic_block_note): Define. Moved
2716 * ssa.c (first_insn_after_basic_block_note): Remove.
2717 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
2719 (ssa_eliminate_dead_code): Properly update the CFG and PHI
2720 nodes when we find a dead conditional branch. Insert BARRIERs
2721 after any blocks with no successors, but which do not have
2724 2001-07-06 Zack Weinberg <zackw@stanford.edu>
2726 * varray.c (varray_check_failed): Use internal_error.
2728 2001-07-05 Andrew Haley <aph@redhat.com>
2730 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
2731 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
2732 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
2734 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
2736 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
2737 reference if the target constant is also a SYMBOL_REF.
2739 2001-07-05 Eric Christopher <echristo@redhat.com>
2741 * config/mips/mips.h (MASK_MIPS3900): Remove.
2742 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
2743 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
2744 (TARGET_MIPS3900): Change to use mips_arch.
2745 (TARGET_MIPS4000): New.
2746 (TARGET_MIPS4100): New.
2747 (TARGET_MIPS4300): New.
2748 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
2749 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
2751 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
2752 (ISA_HAS_BRANCHLIKELY): To here.
2753 (CC1_CPU_SPEC): New.
2754 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
2755 (mips_arch_string): Declare.
2756 (mips_arch): Declare.
2757 (TARGET_OPTIONS): Add -march and -mtune.
2759 * config/mips/mips.c (mips_arch_string): New.
2761 (override_options): Handle -march for codegen and -mtune
2762 for scheduling. Use mips_arch. Move tx39 target default here.
2763 (mips_parse_cpu): Move error message to override_options.
2765 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
2767 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
2769 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
2770 (MIPS Options): Ditto. Change mcpu entry to historical text.
2772 2001-07-05 H.J. Lu (hjl@gnu.org)
2774 * config/mips/mips.c (mips_parse_cpu): New function to parse
2777 2001-07-05 Jim Wilson <wilson@redhat.com>
2779 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
2780 * config/ia64/t-ia64: Likewise.
2781 (LIB1ASMFUNCS): Update comment.
2783 2001-07-05 David Edelsohn <edelsohn@gnu.org>
2785 * doc/install.texi (Install GCC: Binaries): Fix typo.
2787 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2789 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
2790 reference using the stack pointer, adjust it since we push Y
2792 ("*ashrsi3"): Likewise.
2793 ("*lshrsi3"): Likewise.
2795 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2797 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
2798 when -fomit-frame-pointer is used.
2800 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
2802 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
2803 (try_redirect_by_replacing_jump): Reverse updating properly the
2804 count and frequency information. Reverse removing cc0 setter.
2805 (forwarder_block_p): Reverse fixing for fallthru blocks.
2807 2001-07-05 DJ Delorie <dj@redhat.com>
2809 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
2810 (translate_options): If the above is defined, use it to map
2811 given options to new options.
2812 * doc/tm.texi: Document it.
2814 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
2815 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2817 * doc/invoke.texi (Optimize Options): Document that -fgcse may
2818 cause programs using computed gotos to run more slowly.
2820 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2822 * doc/install.texi (Specific): Markup, spelling and typo fixes.
2824 Consistently require binutils 2.11.2, not prereleases.
2825 (Specific, decstation-*): Canonicalize as mips-dec-*.
2826 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
2828 (Specific, m68k-altos): Removed reference to README.altos, deleted.
2829 (Specific, mips-*): Reword MIPS C compiler requirements.
2830 (Specific, powerpc*-*-*): New, mention --with-cpu once.
2831 (Specific, sunv5): Removed, obsolete.
2833 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
2835 * dwarf2out.c (output_loc_list): Use an all ones mask for
2836 .text asm output and don't rely on long long
2837 literals. Reformat some long lines.
2839 2001-07-05 Andreas Jaeger <aj@suse.de>
2841 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
2844 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
2846 * dwarf2out.c (dwarf2out_define): Update comment.
2847 (dwarf2out_undef): Ditto.
2848 (dwarf2out_start_source_file): Ditto.
2849 (dwarf2out_end_source_file): Ditto.
2850 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
2851 since we never call the start/end debug hook for the primary file.
2853 2001-07-04 Kazu Hirata <kazu@hxi.com>
2855 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
2858 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
2860 * cppinit.c (remove_dup_dirs): Inform if a system include
2861 directory is being reordered.
2862 * doc/invoke.texi (Directory Options): GCC warns if you hide a
2864 * doc/cpp.texi (Search Paths): Likewise.
2865 * doc/gcc.texi (Interoperation): Remove information about
2868 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
2870 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
2871 (VARRAY_TOP_CHAR_PTR): Likewise.
2873 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2875 * gcc.c (process_command): Don't assign elements of a const char*.
2877 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2879 * emit-rtl.c (change_address): Don't abort if invalid address while
2880 reload is in progress.
2882 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
2884 * c-lex.c (cb_file_change): Pass line number to
2885 debug_start_source_file.
2886 (cb_undefine): Pass correct line number to debug_undef.
2888 * toplev.c (debug_start_source_file): Add line number to
2889 parameters. Pass it along to dwarf2out_start_source_file.
2890 (decode_g_option): Stop resetting debug level back to normal when
2891 we change debug formats, unless the current level is
2892 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
2895 * toplev.h (debug_start_source_file): Add line number to
2898 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
2901 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
2903 Output debug_macinfo data for starting file if requested.
2904 (dwarf2out_end_source_file): Output debug_macinfo data for ending
2906 (dwarf2out_define): Output debug_macinfo data for defining a macro
2908 (dwarf2out_undef): Output debug_macinfo data for undefining a
2910 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
2911 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
2912 (macinfo_section_label): New. DWARF2 macro info section label.
2913 (dwarf2out_init): If we want macro info, output the start label
2915 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
2916 attribute to the compilation unit die pointing to the macro info.
2918 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
2920 * dwarf2out.c (new_loc_list): Move to inside #ifdef
2921 DWARF2_DEBUGGING_INFO.
2922 (add_loc_descr_to_loc_list): Ditto.
2923 (output_loc_list): Ditto.
2924 Also, fix thinko in curr not being initialized.
2925 (gen_internal_sym): Ditto.
2927 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2929 * emit-rtl.c (replace_equiv_address): New function.
2930 * expr.h (replace_equiv_address): New declaration.
2931 * explow.c (validize_mem): Call it instead of change_address and
2932 also call if -fforce-addr and address is constant.
2933 * expr.c: Replace more calls to change_address with adjust_address
2934 and/or replace_equiv_address or to validize_mem.
2935 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
2936 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
2937 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
2938 * config/i370/i370.md, config/i860/i860.md: Likewise.
2939 * config/i960/i960.md, config/mips/mips.c: Likewise.
2940 * config/mips/mips.md, config/pa/pa.md: Likewise.
2941 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
2942 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
2944 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2946 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
2948 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
2951 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
2953 * doc/include: New directory.
2954 * doc/fdl.texi: Move to doc/include/fdl.texi.
2955 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
2956 * doc/include/funding.texi, doc/include/gpl.texi: New files.
2957 * doc/gcc.texi: Use funding.texi and gpl.texi.
2958 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
2959 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
2960 Update dependencies and use -I $(docdir)/include.
2962 2001-07-04 Anthony Green <green@redhat.com>
2964 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
2966 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2968 * doc/install.texi (sparc64-*-*): Remove garbage.
2970 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
2972 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
2973 Fix typo in last change to use adjust_address.
2975 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2977 * doc/install.texi (Specific): Update information for *-*-solaris*.
2979 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2981 * explow.c (plus_constant_wide): Reinitialize Y for restart.
2983 2001-07-03 Stan Shebs <shebs@apple.com>
2985 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
2986 case for flag_no_mach_text_sections.
2987 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
2988 * config/darwin.c (flag_no_mach_text_sections): Remove.
2989 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
2991 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2993 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
2994 and avoid checking for constant as first operand.
2995 * recog.c (find_constant_term_loc): No longer static.
2996 (adj_offettable_operand): Delete.
2997 * rtl.h (adj_offsettable_operand): Delete declaration.
2998 (find_constant_term): Add declaration.
2999 * caller-save.c: Replace calls to adj_offsettable_operand with calls
3001 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
3002 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
3003 * config/i386/i386.c, config/i386/i386.md: Likewise.
3004 * config/i860/i860.c, config/i960/i960.c: Likewise.
3005 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
3006 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
3007 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
3008 * config/mips/mips.c, config/mips/mips.md: Likewise.
3009 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
3010 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
3011 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
3012 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
3013 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
3014 * config/ns32k/ns32k.md: Likewise.
3016 2001-07-03 Zack Weinberg <zackw@stanford.edu>
3018 * rtl.c (copy_rtx): Handle 'T' format letter.
3019 * gensupport.c (collect_insn_data): Likewise.
3020 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
3022 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
3024 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
3025 -B option. Use 'dir' not 'foo' as example directory name.
3027 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3029 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3030 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
3032 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3034 * doc/cppinternals.texi: Improve formatting and logical markup.
3036 2001-07-03 Andreas Jaeger <aj@suse.de>
3038 * Makefile.in (insn-recog.o): Add dependency on reload.h.
3040 * genrecog.c (write_header): Include reload.h for prototypes in
3043 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
3046 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
3047 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
3048 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
3049 i386_pe_valid_type_attribute_p): Add.
3050 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
3051 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
3053 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3055 * explow.c (plus_constant_wide, case LO_SUM): New case.
3056 (plus_constant_for_output_wide): Delete.
3057 * rtl.h (plus_constant_for_output): Delete.
3058 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
3059 instead of plus_constant_for_output.
3060 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
3061 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
3062 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
3063 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
3064 * config/sparc/sparc.md: Likewise.
3065 Convert some change_address calls to adjust_address.
3067 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
3069 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
3070 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
3071 documentation of -std and -Wwrite-strings.
3073 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3075 * cse.c (canon_hash): Don't register registers in very small
3076 register classes, as extending their lifetime might cause
3079 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3081 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
3083 * flow.c (forwarder_block_p): Fix for fallthru blocks.
3084 (try_redirect_by_replacing_jump): Update properly the count
3085 and frequency information.
3087 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
3089 * toplev.c (dump_file_index): Move SSA dumps just after first
3091 (dump_file): Corresponding changes.
3092 (rest_of_compilation): Move SSA path to just after the first
3094 * doc/gcc.texi (Passes): Update due to movement of SSA path.
3095 * doc/invoke.texi: Update dump file #s as they were completely
3096 out of date with reality.
3098 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
3100 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
3102 * expr.c (emit_move_insn_1): Deal with non-default
3105 * expr.c (emit_single_push_insn): Fix warning.
3107 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3109 * expr.c (emit_move_insn_1): Avoid modifying
3110 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
3112 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3114 * emit-rtl.c (adjust_address): New function.
3115 * expr.h (adjust_address): Add declaration.
3116 * builtins.c: Replace some calls to change_address with calls to it
3118 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
3119 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
3120 * config/arm/arm.c, config/convex/convex.c: Likewise.
3121 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
3122 * config/i386/i386.c, config/i386/i386.md: Likewise.
3123 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
3124 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
3125 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
3126 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
3127 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
3129 2001-07-02 Jim Wilson <wilson@redhat.com>
3131 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
3133 2001-07-02 Steve Ellcey <sje@cup.hp.com>
3135 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
3136 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
3138 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3140 * cppinit.c (lang_defaults): New table.
3141 (set_lang): Just read from lang_defaults into the live options
3144 2001-07-02 Zack Weinberg <zackw@stanford.edu>
3146 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
3147 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
3148 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
3150 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3152 * doc/install.texi: Various spelling and markup fixes.
3153 (Installing GCC): Component specific installation instructions are
3156 Warn about removing old install dir in the presence of shared libs.
3157 (Configuration): Invoke with options target to match configure
3159 Consistently refer to gas, gld pathnames.
3160 Invert --enable-multilib documentation.
3161 Remove references to old compiler versions.
3163 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3165 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
3167 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3169 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
3171 (Specific, mips*-sgi-irix5): Note IDO download.
3172 Reworded MIPS C hints.
3173 Use GNU as instead of GAS.
3175 Removed SGI Freeware reference, IRIX 6 only.
3176 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
3177 Note N64 library requirement/workaround.
3179 Complete list of structure passing bug victims.
3181 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3183 * doc/install.texi: Remove CVS Id.
3185 2001-07-02 Andreas Jaeger <aj@suse.de>
3187 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
3188 (find_inherently_necessary): Remove unused variable.
3190 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
3192 * c-common.h (TDI_inlined): New ast dump phase.
3193 (dump_flag_name): New function.
3194 * c-dump.c (dump_files): Add inlined phase.
3195 (dump_flag_name): Define.
3196 * doc/invoke.texi (-fdump-ast-inlined): Document.
3198 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3200 * stor-layout.c (layout_decl): Revert change to handling of alignment
3203 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3205 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
3208 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
3210 * doc/tm.texi (FUNCTION_ARG): Document that the last call
3213 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
3215 * tlink.c (recompile_files): Remove COMPILER_PATH and
3216 LIBRARY_PATH from the environment.
3218 2001-07-01 Zack Weinberg <zackw@stanford.edu>
3220 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
3221 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
3223 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
3225 * c-parse.in (OBJC_STRING): Kill.
3226 (objc_string): Decompose to [objc_string] '@' STRING.
3227 (reswords): Take the leading '@' off all the Objective C keywords.
3228 (objc_rid_sans_at): Kill.
3229 (init_reswords): Don't initialize it.
3230 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
3231 (_yylex): Kill reconsider label. Look ahead one token after
3232 an '@'; if we get an identifier, check whether it's an
3233 Objective C @-keyword. If so, return the keyword. Otherwise,
3234 put back the token and return the '@' as a terminal.
3236 * cpplib.c (lex_macro_node): Remove unnecessary check for
3237 leading '@' on identifier. Clarify control flow and commentary.
3239 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3241 * cse.c (new_label_ref): Variable deleted.
3242 (insert): Remove set of new_label_ref.
3243 (check_for_label_ref): New function.
3244 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
3246 See ChangeLog.5 for earlier changes.