1 2006-12-04 Jan Hubicka <jh@suse.cz>
3 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
4 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
6 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
8 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
10 * tree-ssa-structalias.c (set_used_smts): Export.
11 (find_what_p_points_to): Don't call set_used_smts here.
12 * tree-ssa-structalias.h (set_used_smts): Add prototype.
14 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
16 * tree-ssa-alias.c (compute_may_aliases):
17 Compute flow sensitive before flow insensitive.
18 (compute_flow_sensitive_aliasing): Don't try to add
19 a symbol memory tag to itself.
21 * alias.h (alias_set_subset_of): New prototype.
23 * alias.c (alias_set_subset_of): New function.
25 * tree-ssa-structalias.c: Update comments.
26 (struct variable_info): Add finished_solution.
27 (new_varinfo): Set finished solution to NULL.
28 (var_escaped_vars): Remove.
29 (escaped_vars_tree): Remove.
30 (escaped_vars_id): Remove.
31 (nonlocal_vars_id): Remove.
32 (constraint_expr_type): Add INCLUDES.
33 (graph_size): Removed.
34 (dump_constraint): Support INCLUDES.
35 (build_constraint_graph): Ditto.
36 (collapse_nodes): Add merge_solutions argument.
37 Don't merge attributes.
38 (process_unification_queue): Just use collapse_nodes.
39 (perform_var_substitution): Update call to collapse_nodes.
40 (get_constraint_exp_from_ssa_var): Use INCLUDES.
41 (process_constraint): Fix non-field sensitive handling
43 (get_constraint_for): Use INCLUDES.
44 (make_constraint_from_anything): Renamed from
45 make_constraint_from_escaped.
46 (make_constraint_to_escaped): Removed.
47 (find_global_initializers): Removed.
48 (create_variable_info_for): Do not make constraints to escaped
50 (dump_solution_for_var): Don't print out the equivalent points-to
51 sets, just use the name of the variable it shares it with.
52 (intra_create_variable_infos): Use INCLUDES.
53 Change nonlocal variable sets to anything sets.
54 (init_base_vars): Remove escaped_vars and nonlocal_var
56 (find_escape_constraints): Removed.
57 (delete_points_to_sets): Remove dead code.
58 (used_smt_calculated): New variable.
59 (set_used_smts): New function.
60 (merge_smts_into): New function.
61 (find_what_p_points_to): Modify to use SMTs.
62 (create_nonlocal_var): Remove.
64 * tree-ssa-operands.c (access_can_touch_variable): Remove
65 reference to nonlocal_all.
67 * tree-ssa.c (verify_name_tags): Remove.
69 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
71 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
72 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
74 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
76 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
77 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
78 (add_livein_if_notdef): Delete.
79 (loe_visit_block): New. Propogate live on entry info for a block into
80 each predecessor. If it changes, make sure it is visited again.
81 (live_worklist): Visit every block and update the live on entry info
82 for preds. Iterate over any that changed.
83 (set_var_live_on_entry): Populate the live on entry blocks with bits
84 based on the immediate uses of a var.
85 (calculate_live_on_entry): Remove.
86 (calculate_live_on_exit): Calculate live on exit based on the newly
87 oriented live on entry bits.
88 (calculate_live_ranges): Build live on entry and exit vectors.
89 (dump_live_info): Use new orientation of live on entry bitmaps.
90 (verify_live_on_entry): New. Split out verification code from old
91 calculate_live_on_entry routine.
92 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
93 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
94 basic_block instead of for a partition.
95 (live_merge_and_clear): Add asserts.
96 (make_live_on_entry): Set partition bit in basic block vector.
98 2006-12-04 Jakub Jelinek <jakub@redhat.com>
101 * omp-low.c (expand_omp_for_static_nochunk,
102 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
106 * omp-low.c (determine_parallel_type): Don't try to optimize combined
107 parallels if region->exit or region->inner->exit is NULL.
108 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
110 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
111 (expand_omp_for): Use expand_omp_for_generic if either region->cond
112 or region->exit is NULL.
113 (expand_omp_sections): Handle NULL region->cond or region->exit.
116 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
118 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
119 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
121 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
123 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
124 TYPE_MAX_VALUE for scalar types here but...
125 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
126 is attached an error mark, and the return value of the callback
127 if it is not NULL_TREE.
129 2006-12-04 Ben Elliston <bje@au.ibm.com>
131 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
133 2006-12-03 Eric Christopher <echristo@apple.com>
136 * config/t-slibgcc-darwin: Pass -install_name.
137 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
138 libtool. Only pass through options that the linker recognizes.
139 (LINK_SPEC): Update comment. Translate options.
140 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
141 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
143 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
145 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
147 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
150 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
151 operands[1] in insn constraint. Correct type attribute to sselog1.
153 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
156 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
158 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
161 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
162 -march=native if there is no -mtune=*.
164 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
167 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
169 * doc/install.texi: Update recommended MPFR version. Remove
170 obsolete reference to cumulative patch.
172 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
175 * c-decl.c (store_parm_decls_oldstyle): Robustify.
177 2006-11-30 Jan Hubicka <jh@suse.cz>
178 Uros Bizjak <ubizjak@gmail.com>
180 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
181 32bit memcpy/memset decriptors.
182 (decide_alg): With -minline-all-stringops and sizes that are best
183 to be copied via libcall still work hard enough to pick non-libcall
186 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
188 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
190 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
191 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
192 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
193 config/sh/sh4-300.md, config/spu/spu-builtins.def,
194 config/spu/spu-c.c, config/spu/spu-modes.def,
195 config/spu/spu.c, config/spu/spu.md,
196 config/spu/spu_internals.h, config/spu/vmx2spu.h,
197 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
198 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
199 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
200 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
201 spelling conventions.
203 * config/i386/i386.c: Fix a comment typo.
205 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
207 * config/spu/spu.c (spu_immediate): Remove trailing comma.
208 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
209 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
211 (floatv4siv4sf2): New.
212 (fix_truncv4sfv4si2): New.
213 (floatunsv4siv4sf2): New.
214 (fixuns_truncv4sfv4si2): New.
222 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
223 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
224 spu_resolve_overloaded_builtin instead of static inline functions.
226 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
228 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
229 type instead of the size of its mode to compute the highest and
230 lowest possible values. Still check the size of the mode before
231 flipping the signedness of the comparison.
233 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
235 * config/spu/predicates.md (spu_mov_operand): Add.
236 * config/spu/spu.c (spu_expand_extv): Remove unused code.
237 (print_operand_address, print_operand): Handle addresses containing AND.
238 (spu_split_load, spu_split_store): Use updated movti pattern.
239 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
240 stores in mov patterns for correct operation of reload.
241 (lq, lq_<mode>, stq, stq_<mode>): Remove.
243 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
246 * c-common.c (check_main_parameter_types): Check for error_mark_node.
248 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
250 * common.opt (ftree-combine-temps): Remove.
251 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
252 (coalesce_ssa_name): Don't check for combine-temps.
253 (coalesce_vars): Remove.
254 (check_replaceable): Use num_imm_uses.
255 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
256 check for combine-temps.
257 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
258 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
259 to register_ssa_partition calls.
260 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
261 (init_var_map, delete_var_map): remove refernces to ref_count.
262 (create_ssa_var_map): Never calculate a ref count.
263 (type_var_init): Remove.
264 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
265 (SSA_VAR_MAP_REF_COUNT): Delete.
266 (create_ssa_var_map): Change Prototype to have no parameters.
267 (version_ref_count): Delete.
268 (register_ssa_partition): Remove 'is_use' paramater and don't set the
270 (type_var_num, type_var, type_var_first_partition,
271 type_var_next_partition, type_var_dump, type_var_delete,
272 type_var_remove_partition, type_var_find, type_var_compact,
273 type_var_decompact): Remove.
275 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
277 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
280 2006-12-01 Richard Guenther <rguenther@suse.de>
283 * dwarf2out.c (struct pubname_struct): Make name const.
284 (add_pubtype): Do not xstrdup identifiers.
286 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
288 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
289 multiword accesses are in range.
291 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
293 PR tree-optimization/29921
294 * tree-ssa-ccp.c (canonicalize_float_value): New function.
295 (set_lattice_value): Use canonicalize_float_value.
297 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
299 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
300 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
301 (spu_cpu_cpp_builtins): Remove.
302 (spu_override_options): Don't set warn_main.
303 (spu_force_reg): Move from spu-c.c.
304 (spu_check_builtin_parm): Likewise.
305 (expand_builtin_args): Likewise.
306 (spu_expand_builtin_1): Likewise.
307 (spu_expand_builtin): Likewise.
308 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
309 warn_main and targetm.resolve_overloaded_builtin.
310 * config/spu/spu-c.c (spu_builtin_range): Remove.
311 (spu_check_builtin_parm): Remove.
312 (expand_builtin_args): Remove.
313 (spu_expand_builtin_1): Remove.
314 (spu_expand_builtin): Remove.
315 (spu_cpu_cpp_builtins): Moved from spu.c
316 (spu_force_reg): Remove.
318 2006-12-01 Joseph Myers <joseph@codesourcery.com>
319 David Edelsohn <edelsohn@gnu.org>
322 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
323 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
324 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
325 HARD_REGNO_NREGS_WITH_PADDING): Define.
326 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
327 HARD_REGNO_NREGS_WITH_PADDING): Define.
328 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
329 Use new macros to detect modes with holes; do not look at integer
331 (subreg_offset_representable_p): Check for and disallow cases
332 where the modes use different numbers of bits from registers.
333 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
334 constant for soft-float.
335 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
337 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
339 * config/rs6000/rs6000.md (movtf): Allow soft-float.
340 (movtf_softfloat): New.
342 2006-11-30 Richard Sandiford <richard@codesourcery.com>
344 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
347 2006-11-30 Andrew Macleod <amacleod@redhat.com>
349 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
350 (COALESCE_HASH_FN): New. Define hash function.
351 (partition_pair_map_hash): New. Hash value for a partition pair.
352 (partition_pair_map_eq): New. Equality for hash pairs.
353 (create_coalesce_list): Create hash table.
354 (delete_coalesce_list): Free hash table.
355 (find_partition_pair): Find/create pairs in hash table.
356 (compare_pairs): Sort pairs in ascending order now.
357 (num_coalesce_pairs): New. Number of pairs in hash table.
358 (struct partition_pair_iterator): Iterator struct for pair table.
359 (first_partition_pair): Iterator function for first pair.
360 (end_partition_pair_p): Iterator function for end of iteration.
361 (next_partition_pair): Iterator function for next pair.
362 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
363 (sort_coalesce_list): Sort pairs from hash table into an array.
364 (pop_best_coalesce): Take pairs from the array.
365 (dump_coalesce_list): Update to use hash table or sorted array.
366 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
367 (struct coalesce_list_d): Add hash table related fields.
369 2006-11-30 Jan Hubicka <jh@suse.cz>
372 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
373 memmove/bcopy->memcpy conversion.
375 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
377 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
378 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
379 Default is the largest alignment supported for 32-bit ELF and
380 representable on a 32-bit host.
382 2006-11-30 Janis Johnson <janis187@us.ibm.com>
384 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
386 2006-11-30 Jan Hubicka <jh@suse.cz>
388 * tree-ssa-operands.h (struct ssa_operands): New.
389 * tree-flow-inline.h (gimple_ssa_operands): New function.
390 * tree-flow.h: (struct gimple_df): Add ssa_operands.
391 * Makefile.in: Remove gt-tree-ssa-operands.h
392 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
393 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
394 operand_memory, operand_memory_index, ops_active): Remove statics.
395 (ALLOC_OPTYPE): Update.
396 (operand_build_sort_virtual): Update.
397 (ssa_operands_active): Update.
398 (init_ssa_operands): Update.
399 (fini_ssa_operands): Update.
400 (ssa_operand_alloc): Update.
401 (INITIALIZE_USE): Update.
402 (finalize_ssa_use_ops): Update.
403 (finalize_ssa_v_may_def_ops): Update.
404 (finalize_ssa_vuse_ops): Update.
405 (finalize_ssa_v_must_def_ops): Update.
407 2006-11-30 Richard Guenther <rguenther@suse.de>
409 * tree-vectorizer.h (vectorizable_function): Export.
410 * tree-vect-transform.c (vectorizable_function): Likewise.
411 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
412 type_in to scalar type in recognition of squaring.
413 Make sure the target can vectorize sqrt in recognition
414 of sqrt, set type_in to vector type in this case.
416 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
418 * config/i386/i386.md (R10_REG): New constant.
419 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
420 (ix86_emit_restore_regs_using_mov): Ditto.
421 (ix86_expand_call): Ditto.
422 (x86_output_mi_thunk): Ditto. Also use R10_REG.
424 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
426 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
427 * alias.c (canon_true_dependence): Update comment.
429 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
431 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
432 at the end of a diagnostics message.
434 * alloc-pool.c (pool_free): Postpone clearing the pool entry
435 until after asserting that it was allocated in the right pool.
437 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
438 successor edge information as well. Make output of live regs
439 on exit consistent with live regs on entry.
441 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
444 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
445 insn patterns for TARGET_80387.
446 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
447 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
448 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
449 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
450 Generate truncxf<mode>2 insn patterns for strict SSE math.
452 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
454 * config/i386/i386.md (movsf_1): Enable pattern for standard
455 80387 constants before reload when optimizing for size.
456 (*movdf_nointeger, *movdf_integer): Ditto.
457 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
458 80387 constants before reload when not optimizing for size.
460 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
461 extension of XFmode input operands.
463 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
465 * config/spu/crt0.c (__dso_handle): Define.
467 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
469 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
470 when clearing the used flags.
472 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
474 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
476 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
479 * config/spu/spu.md (extend_compare<mode>): New pattern.
480 (extend_compare): Change to expand and use the above pattern.
482 2006-11-29 Janis Johnson <janis187@us.ibm.com>
484 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
486 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
487 (DFP_INIT_ROUNDMODE): Define.
488 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
489 * mklibgcc.in: Fix dependencies for dfp-bit.c.
491 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
493 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
494 Update documentation.
495 (associate_line_notes_with_blocks): Kill.
496 (extend_bb): Remove basic block argument, put void instead.
497 Remove line number handling for each bb.
498 (save_line_notes): Kill.
499 (restore_line_notes): Kill.
500 (sched_init): Remove line_note_head initialization.
501 Change extend_bb call.
502 (sched_finish): Remove free of line_note_head.
503 (add_block): Change extend_bb call.
504 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
505 rm_line_notes and restore_line_notes calls.
506 (schedule_ebbs): Remove rm_redundant_line_notes.
507 * sched-int.h (struct haifa_insn_data): Remove line_note.
508 (save_line_notes): Remove declaration.
509 (restore_line_notes): Remove declaration.
510 * modulo-sched.c (loop_canon_p): Update debug info printing
511 by using insn locators instead of line note.
512 (sms_schedule): Update debug info printing, by using insn
513 locators instead of line note.
514 * sched-rgn.c (debug_dependencies): Remove handling of case
515 n>0 (line number), since it's a dead code.
516 (schedule_region): Remove save_line_notes and
517 restore_line_notes calls.
519 2006-11-29 Joseph Myers <joseph@codesourcery.com>
521 * config/rs6000/predicates.md (gpc_reg_operand): Check
523 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
524 SImode subregs of SPE vectors.
525 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
526 * jump.c (true_regnum): Require subregs to satisfy
527 subreg_offset_representable_p.
529 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
530 Steven Bosscher <stevenb.gcc@gmail.com>
532 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
533 since it no longer exists.
535 2006-11-29 Duncan Sands <baldrick@free.fr>
537 PR tree-optimization/23744
538 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
540 2006-11-29 Duncan Sands <baldrick@free.fr>
542 PR tree-optimization/23744
543 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
545 2006-11-29 Duncan Sands <baldrick@free.fr>
547 PR tree-optimization/23744
548 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
550 2006-11-29 Jie Zhang <jie.zhang@analog.com>
552 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
554 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
556 * sh.opt (minline-ic_invalidate): New option.
557 (musermode): Adjust comment.
558 * sh.c (sh_initialize_trampoline): Emit library call unless
559 is set; if it is set, don't emit library call if we can use icbi
561 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
562 icbi for TARGET_SH4_300.
563 * t-sh (LIB1ASMFUNCS_CACHE): Set.
564 * doc/invoke.texi: Document -minline-ic_invalidate; Update
565 -musermode documentation.
567 2006-11-29 Jim Tison <jtison@us.ibm.com>
569 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
570 __gthread_recursive_mutex_init): Define.
572 2006-11-29 Joseph Myers <joseph@codesourcery.com>
574 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
575 STRICT_ALIGNMENT and the type is more aligned than the saved
576 registers, copy via a temporary.
578 2006-11-28 Andrew Pinski <pinskia@gmail.com>
581 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
584 2006-11-28 Bob Wilson <bob.wilson@acm.org>
586 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
588 2006-11-28 Jan Hubicka <jh@suse.cz>
590 Privatize SSA variables into gimple_df.
592 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
593 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
594 gimple_nonlocal_all): New accessors.
595 (first_referenced_var): Update.
596 (mark_stmt_modified): Update.
597 (is_call_clobbered): Update.
598 (mark_call_clobbered): Update.
599 (clear_call_clobbered): Update.
600 (mark_non_addressable): Update.
601 * tree-vrp.c (get_value_range): Update.
602 * tree-into-ssa.c (in_ssa_p): Kill.
603 (get_default_def_for): Update.
604 (rewrite_into_ssa): Update.
605 * tree-complex.c (init_parameter_lattice_values): Update.
606 (update_complex_assignment): Update.
607 (update_parameter_components): Update.
608 (expand_complex_libcall): Update.
609 (expand_complex_operations_1): Update.
610 * tree-tailcall.c (arg_needs_copy_p): Update.
611 (add_virtual_phis): Update.
612 (tree_optimize_tail_calls_1): Update.
613 * tree-ssa-dse.c (memory_ssa_name_same): Update.
614 * tree-ssa-copyrename.c
615 (copy_rename_partition_coalesce): Update.
616 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
617 * tree-ssa-propagate.c (set_rhs): Update.
618 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
619 addressable_vars, global_var):Kill.
620 (set_initial_properties): Update.
621 (init_alias_info): Update.
622 (finalize_ref_all_pointers): Update.
623 (setup_pointers_and_addressables): Update.
624 (maybe_create_global_var): Update.
625 (create_global_var): Update.
626 (dump_points_to_info): Update.
627 * function.h (struct gimple_df): Forward declare.
628 (struct function): Add GIMPLE_DF field.
629 * gimplify.c (force_gimple_operand): Update.
630 * tree-dfa.c (referenced_vars, default_defs): KIll.
631 (make_rename_temp): Update.
632 (dump_variable): Update.
633 (referenced_var_lookup): Update.
634 (referenced_var_check_and_insert): Update.
635 (default_def): Rename to ...
636 (gimple_default_def): ... this one; accept cfun argument.
637 (set_default_def): Update.
638 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
639 (cleanup_control_flow): Update.
640 * tree-ssa-pre.c (compute_avail): Update
641 * tree-ssa-live.c (calculate_live_on_entry): Update.
642 * tree-ssa.c (verify_use): Update.
643 (verify_call_clobbering): Update.
644 (verify_call_clobbering): Update.
645 (init_tree_ssa): Update.
646 (delete_tree_ssa): Update.
647 * tree-outof-ssa.c (coalesce_ssa_name): Update.
648 (rewrite_out_of_ssa): Update.
649 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
650 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
652 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
653 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
654 addressable_vars, aliases_computed_p): Kill.
655 (default_def): Rename to...
656 (gimple_default_def): ... this one.
657 (defaule_def_fn): Kill.
658 (num_referenced_vars, ssa_names, num_ssa_names): Update.
659 * tree-ssa-structalias.c (nonlocal_all): Kill.
660 (get_constraint_exp_from_ssa_var): Update.
661 (create_nonlocal_var): Update.
662 (get_constraint_for): Update.
663 (update_alias_info): Update.
664 (find_global_initializers): Update.
665 (intra_create_variable_infos): Update.
666 (intra_create_variable_infos):
667 (find_what_p_points_to): Update.
668 (init_alias_heapvars): Update.
669 * tree-cfg.c (remove_bb): Update.
670 (gimplify_val): Update.
671 * tree-ssa-reassoc.c (get_rank): Update.
672 (init_reassoc): Update.
673 * tree-ssanames.c: Do not include gt-tree-ssanames.h
674 (ssa_names, free_ssanames): Kill.
675 (init_ssanames): Update.
676 (make_ssa_name): Update.
677 (release_ssa_name): Update.
678 (release_defs): Update.
679 (replace_ssa_name_symbol): Update.
680 * tree-ssa-operands.c (access_can_touch_variable): Update.
681 (add_virtual_operand): Update.
682 (add_call_clobber_ops): Update.
683 (add_call_read_ops): Update.
684 (get_call_expr_operands): Update.
685 (get_asm_expr_operands): Update.
687 2006-11-28 Jan Hubicka <jh@suse.cz>
689 * builtins.c: Include tree-flow.h.
690 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
691 assignment; convert memmove to memcpy for sizes greater than 1 where
692 alignment of operands prohibit the partial overlap.
694 2006-11-28 Jan Hubicka <jh@suse.cz>
696 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
697 * cgraph.c (dump_cgraph_node): Dump stack usage.
698 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
699 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
700 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
701 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
702 (cgraph_check_inline_limits): Limit stack growth.
703 * cfgexpand.c: Include tree-inline.h.
704 (account_stack_vars): New function.
705 (expand_one_var): New param to just account the stack; return estimated
707 (expand_used_vars_for_block): Update call of expand_one_var.
708 (account_used_vars_for_block): New function.
709 (estimated_stack_frame_size): Likewise.
710 (init_vars_expansion, fini_vars_expansion): Break out from..
711 (expand_used_vars): ... here.
712 * tree-inline.h (estimated_stack_frame_size): Declare.
713 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
715 2006-11-28 Richard Guenther <rguenther@suse.de>
717 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
718 unsigned long for printing OBJECT_SIZE.
720 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
722 * alias.c (init_alias_analysis): Remove simplification loop
723 after propagating pointers.
725 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
727 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
730 2006-11-27 Bob Wilson <bob.wilson@acm.org>
732 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
734 2006-11-27 Roger Sayle <roger@eyesopen.com>
735 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
737 * c-common.c (constant_fits_type_p): Delete.
738 (unsigned_conversion_warning): Delete.
739 (conversion_warning): Integrate Wconversion warning from
740 unsigned_conversion_warning.
741 (convert_and_check): Integrate Woverflow warning from
742 unsigned_conversion_warning. Reorganize and simplify to avoid
743 dependence upon the middle-end setting TREE_OVERFLOW on integral
744 conversions, by using int_fits_type_p directly.
746 2006-11-27 Tobias Burnus <burnus@net-b.de>
748 * doc/invoke.texi: Fixed typo.
750 2006-11-27 Michael Matz <matz@suse.de>
751 Andreas Krebbel <krebbel1@de.ibm.com>
754 * config/s390/predicates.md (larl_operand): Check addend of larl
755 operand to be in range of -/+2GB.
756 * config/s390/s390.c (legitimize_pic_address): Likewise.
757 Changed type of variable even to HOST_WIDE_INT.
759 2006-11-27 Jan Hubicka <jh@suse.cz>
761 * expr.c (emit_block_move_via_libcall): Export.
762 (clear_storage_via_libcall): Rename to ...
763 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
764 (clear_storage): Update to set_storage_via_libcall.
765 * expr.h (emit_block_move_via_libcall): Declare
766 * config/i386/i386.h (stringop_alg): New enum.
767 (MAX_STRINGOP_ALGS): New constant.
768 (stringop_algs): New struct.
769 (processor_costs): Add memcpy/memset descriptors.
770 (TARGET_REP_MOVEL_OPTIMAL): Remove.
771 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
772 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
774 * config/i386/i386.opt (minline-stringops-dynamically,
775 mstringop-strategy): New
777 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
778 (ix86_expand-clrmem): Rename to ...
779 (ix86_expand_setmem): ... this one; update prototype.
780 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
781 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
782 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
783 nocona_cost, core2_cost, generic_cost, generic64_cost,
784 generic32_cost): Add memcpy/memset descriptors.
785 (x86_rep_movl_optimal): Remove.
786 (stringop_alg): New static variable.
787 (ix86_expand_aligntest): Handle predictions.
788 (override_options): Add strgop_alg handling.
789 (predict_jump): New function.
790 (scale_counter): New function.
791 (expand_set_or_movmem_via_loop): New function.
792 (expand_movmem_via_rep_mov): New function.
793 (expand_setmem_via_rep_stots): New function.
794 (emit_strmov): New function.
795 (expand_movmem_epilogue): New function.
796 (expand_setmem_epilogue_via_loop): New function.
797 (expand_setmem_epilogue): New function.
798 (expand_movmem_prologue): New function.
799 (expand_setmem_prologue): New function.
800 (decide_alg): New function.
801 (decide_alignment): New function.
802 (ix86_exand_movmem): Rewrite.
803 (promote_duplicated_reg): New function.
804 (ix86_expand_clrmem): Rename to ...
805 (ix86_expand_setmem): ... this one. Rewrite.
807 * invoke.texi (minline-stringops-dynamically): New command line option.
808 (mstringop-strategy): Likewise.
810 2006-11-27 Jan Hubicka <jh@suse.cz>
812 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
813 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
814 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
815 * insn-notes.def (FUNCTION_END): Remove.
816 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
817 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
819 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
820 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
821 * cfglayout.c (duplicate_insn_chain): Don't worry about
824 2006-11-27 Richard Guenther <rguenther@suse.de>
825 Zdenek Dvorak <dvorakz@suse.cz>
827 * target.h (struct gcc_target): Add builtin_vectorized_function
829 * target-def.h (TARGET_VECTORIZE): Likewise.
830 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
831 Document new target hook.
832 * targhooks.h (default_builtin_vectorized_function): Declare.
833 * targhooks.c (default_builtin_vectorized_function): Define.
834 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
835 (vectorizable_call): Declare.
836 * tree-vect-analyze.c (vect_analyze_operations): Call
838 * tree-vect-transform.c (vectorizable_function): New static function.
839 (build_vectorized_function_call): Likewise.
840 (vectorizable_call): New function.
841 (vect_transform_stmt): Handle vectorizable calls.
843 2006-11-27 Richard Guenther <rguenther@suse.de>
846 * builtins.c (expand_builtin_pow): Optimize non integer valued
847 constant exponents using sqrt or cbrt if possible. Always fall back
848 to expanding via optabs.
850 2006-11-27 Ira Rosen <irar@il.ibm.com>
852 PR tree-optimization/22372
853 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
854 the type of the base address.
855 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
856 it in the data-ref pointer creation.
857 (vect_init_vector): Add an argument, type of the init vector. Use it in
859 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
860 (get_initial_def_for_reduction): Likewise.
861 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
863 (vectorizable_assignment, vect_permute_store_chain): Likewise.
864 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
865 correct type in stmt creation.
866 (vect_setup_realignment): Use the correct type in stmt creation.
867 (vect_permute_load_chain): Change type of MODIFY_EXPR to
869 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
870 of MODIFY_EXPR to void_type_node.
871 (vectorizable_condition): Change type of MODIFY_EXPR to
873 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
876 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
879 2006-05-08 Uros Bizjak <uros@kss-loka.si>
880 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
881 standard 80387 constants, raise the cost to prevent
882 compress_float_constant() to generate load from memory.
884 * config/i386/i386.md: Add new splitter pattern to split
885 float_extended load of constant from constant pool into
888 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
890 * doc/install.texi: Move GMP/MPFR configure options from Fortran
891 section to general section. Remove documentation for
892 --with-mpfr-dir and --with-gmp-dir, add documentation for
893 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
896 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
898 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
900 * testsuite/gcc.dg/ipa/ipa-6.c: New.
902 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
904 PR tree-optimization/29122
905 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
906 for the new version. Assign NULL to DECL_RTL of the new version.
908 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
910 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
912 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
914 * cse.c (cse_altered): Remove.
915 (record_jump_equiv): Make true/false argument a bool instead
917 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
918 where appropriate. Emit a new jump before the existing one
919 instead of after so that delete_insn_and_edges removes the
920 dead edges properly. Check any_condjump_p before calling
922 (cse_basic_block): Check any_condjump_p before calling
924 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
926 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
928 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
929 -ffixed-line-length-* options.
931 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
933 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
934 (fprem1xf4): Rename to fprem1xf4_i387.
936 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
937 Rename patterns to fmod<mode>3. Use general_operand operand
938 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
939 patterns for SSE math.
940 (remaindersf3, remainderdf3): Ditto.
942 2006-11-25 Joseph Myers <joseph@codesourcery.com>
944 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
945 inside start_sequence / end_sequence pair.
947 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
949 * jump.c (mark_all_labels): Work in cfglayout mode.
950 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
951 when in cfglayout mode, because there are no dead jumptables
953 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
955 (commit_edge_insertions): Do not allow insertion of instructions
956 with control flow insns when in cfglayout mode.
958 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
960 * tree-vrp.c (execute_vrp): Do not pass loops structure through
962 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
963 unswitch_loop): Ditto.
964 * tree-loop-linear.c (linear_transform_loops): Ditto.
965 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
966 tree_ssa_lim): Ditto.
967 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
968 free_numbers_of_iterations_estimates): Ditto.
969 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
970 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
971 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
972 remove_path, add_loop, loopify, unloop, fix_loop_placements,
973 place_new_loop, duplicate_loop, duplicate_subloops,
974 update_single_exit_for_duplicated_loops, copy_loops_to,
975 duplicate_loop_to_header_edge, create_preheaders,
976 force_single_succ_latches, loop_version, fix_loop_structure):
978 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
979 tree_unroll_loop): Ditto.
980 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
981 * tree-scalar-evolution.c (select_loops_exit_conditions,
982 scev_initialize, scev_analysis): Ditto.
983 * tree-scalar-evolution.h (scev_initialize): Ditto.
984 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
985 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
986 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
987 * modulo-sched.c (sms_schedule): Ditto.
988 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
989 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
990 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
991 * ifcvt.c (if_convert): Ditto.
992 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
993 canonicalize_loop_induction_variables,
994 canonicalize_induction_variables,
995 tree_unroll_loops_completely, remove_empty_loops): Ditto.
996 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
997 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
998 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
999 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
1000 tree_ssa_loop_done): Ditto.
1001 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
1002 estimate_bb_frequencies): Ditto.
1003 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
1004 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
1005 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1006 decide_unrolling_and_peeling, peel_loop_completely,
1007 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
1008 peel_loop_simple, unroll_loop_stupid): Ditto.
1009 * loop-doloop.c (doloop_optimize_loops): Ditto.
1010 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
1011 * loop-invariant.c (move_loop_invariants): Ditto.
1012 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
1013 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
1014 tree_ssa_prefetch_arrays): Ditto.
1015 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
1017 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
1018 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
1019 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
1020 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
1021 verify_loop_structure): Ditto.
1022 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
1023 canonicalize_induction_variables, tree_unroll_loops_completely,
1024 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
1025 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
1026 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
1027 tree_unroll_loop, linear_transform_loops): Declaration changed.
1028 * basic-block.h: Remove declaration of struct loops.
1029 * cfghooks.h (struct cfg_hooks): Change type of
1030 cfg_hook_duplicate_loop_to_header_edge.
1031 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
1032 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
1033 vect_transform_loop): Declaration changed.
1034 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
1035 * cfgloop.h (flow_loops_dump, fix_loop_structure,
1036 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
1037 cancel_loop_tree, create_preheaders, force_single_succ_latches,
1038 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
1039 loopify, loop_version, remove_path, unswitch_loops,
1040 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
1041 Declaration changed.
1043 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
1045 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
1046 (X87MODEF): New mode macro.
1047 (ssemodefsuffix): New mode attribute.
1048 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
1049 (sqrt_extend<mode>xf2_i387): New insn pattern.
1050 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
1051 insn and truncate result back to original mode using
1052 UNSPEC_TRUNC_NOOP truncation.
1053 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
1054 ssemodefsuffix mode attribute.
1055 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
1056 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
1057 (*sqrtextenddfxf2_i387): Remove insn patterns.
1059 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
1060 truncation patterns.
1062 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
1064 2006-11-24 Jakub Jelinek <jakub@redhat.com>
1067 * c-tree.h (c_maybe_initialize_eh): New prototype.
1068 * c-decl.c (finish_decl): Move EH initialization...
1069 (c_maybe_initialize_eh): ... here. New function.
1070 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
1071 if not #pragma omp atomic.
1074 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
1075 or UNION_TYPE inner types.
1077 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
1080 * ipa-pure-const.c (check_tree): If the original tree
1081 is volatile return early and say the function is not pure
1082 nor const. Remove the volatile check for writes.
1083 (analyze_function): Print out the result of the local
1086 2006-11-24 Joseph Myers <joseph@codesourcery.com>
1088 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
1090 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
1091 * config/rs6000/rs6000.c (rs6000_override_options): Use
1092 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
1095 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
1097 * config/s390.c (s390_emit_compare_and_swap): New function.
1098 (s390_expand_cs_hqi, s390_expand_atomic): Call
1099 s390_emit_compare_and_swap.
1101 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1103 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
1105 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1109 * c-common.c (conversion_warning): New.
1110 (convert_and_check): Call conversion_warning unless there is an
1112 * doc/invoke.texi (-Wconversion): Update description.
1114 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
1116 * tree-ssa-alias.c (tree_pointer_compare): New function.
1117 (compact_name_tags): New function.
1118 (group_aliases): Call compact_name_tags.
1120 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1122 * real.h (real_isinteger): Declare.
1123 * real.c (real_isinteger): Define.
1124 * builtins.c (integer_valued_real_p): Use it.
1126 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1129 * c.opt (Wtraditional-conversion): New.
1130 (Wconversion): Update description.
1131 * c-typeck.c (convert_arguments): Warnings for prototypes causing
1132 type conversions different from what would happen in the absence
1133 of prototype are now handled by Wtraditional-conversion.
1134 * doc/invoke.texi (Wtraditional-conversion): New.
1135 (Wconversion): Update description.
1136 * doc/trouble.texi (Wconversion): Replace Wconversion by
1137 Wtraditional-conversion.
1139 2006-11-23 Andrew Pinski <pinskia@gmail.com>
1141 * predict.c (tree_estimate_probability): Check to make
1142 sure current_loops is non null before calling flow_loops_dump.
1144 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
1146 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
1148 2006-11-23 David Ung <davidu@mips.com>
1150 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
1152 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
1153 (ASM_SPEC): Pass along -mfp32 and -mfp64.
1154 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
1155 high part of FP register when in 64-bit FP register mode. Similarly
1156 use gen_mfhc1 to load high part of FP register.
1157 (override_options): Allow -mgp32 and -mfp64 combination if
1158 ISA_HAS_MXHC1 (currently for O32 only).
1159 (mips_cannot_change_mode_class): If floating-point registers are
1160 bigger than word size. disallow conversion of float register from a
1161 large integer mode to a float mode smaller than the float register
1163 (mips_class_max_nregs): Handle float registers case seperately.
1164 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
1166 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
1167 (movdf_hardfloat_32bit): Similarly.
1168 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
1169 support a full 64-bit fpu.
1170 (mthc1): New pattern to generate MTHC1 instruction.
1171 (mfhc1): New pattern to generate MFHC1 instruction.
1172 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
1173 option for the MIPS32R2 and mention its use under O32 ABI.
1175 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
1177 * var-tracking.c (emit_note_insn_var_location): Take care not to
1178 cause verify_flow_info failures.
1180 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
1182 * tree-ssa-structalias.c: Remove edge weights in favor of just
1183 processing them as complex constraints.
1184 (struct constraint_graph): Remove weighted succs and preds. Rename
1185 nonweighted succs and preds.
1186 (constraint_edge): Removed.
1187 (constraint_edge_t): Ditto.
1188 (constraint_edge_pool): Ditto.
1189 (new_constraint_edge): Ditto.
1190 (constraint_edge_equal): Ditto.
1191 (constraint_edge_less): Ditto.
1192 (constraint_edge_vec_find): Ditto.
1193 (erase_self_graph_edge): Ditto.
1194 (add_graph_edge): Removed.
1195 (get_graph_weights): Ditto.
1196 (allocate_graph_weights): Ditto.
1197 (valid_weighted_graph_edge): Ditto
1198 (bitmap_other_than_zero_bit_set): Ditto.
1199 (int_add_graph_edge): Renamed to add_graph_edge.
1200 (clear_edges_for_node): Remove support for weighted edges.
1201 (merge_graph_nodes): Ditto.
1202 (valid_graph_edge): Ditto.
1203 (build_constraint_graph): Ditto.
1205 (collapse_nodes): Ditto.
1206 (process_unification_queue): Ditto.
1207 (topo_visit): Ditto.
1208 (do_ds_constraint): Ditto.
1209 (perform_var_subsitution): Ditto.
1210 (solve_graph): Ditto.
1211 (init_alias_vars): Ditto.
1212 (delete_points_to_sets): Ditto.
1213 (do_complex_constraint): Support offsetted copies here.
1215 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
1217 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
1219 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
1221 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
1224 2006-11-23 Ben Elliston <bje@au.ibm.com>
1226 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
1228 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
1230 PR tree-optimization/29921
1231 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
1232 signed and unsigned zero equal.
1234 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
1236 * config/rs6000/rs6000.c (get_store_dest): New.
1237 (adjacent_mem_locations): Use get_store_dest() to get
1238 the rtl of the store destination.
1240 2006-11-22 Joseph Myers <joseph@codesourcery.com>
1242 * config/rs6000/spe.md (SPE64): New mode macro.
1243 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
1245 (mov_si<mode>_e500_subreg0_2): New.
1246 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
1248 (mov_si<mode>_e500_subreg4_2): New.
1249 * config/rs6000/predicates.md (input_operand): Do not allow
1250 invalid E500 subregs.
1251 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
1253 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
1254 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
1255 involving vector modes if TARGET_SPE.
1257 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
1260 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1261 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1263 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
1265 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
1266 mem_i_address_operand): New predicates.
1267 * config/bfin/bfin.c (bfin_issue_rate): New function.
1268 (TARGET_SCHED_ISSUE_RATE): New macro.
1269 * config/bfin/bfin.md (addrtype): New attribute.
1270 (slot0, slot1, slot2, store, pregs): New cpu_units.
1271 (core): Now a define_reservation.
1272 (alu): Remove some insn types from this reservation.
1273 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
1275 (dummy reservation): Don't trigger for mcld insns.
1276 (absence_sets): Two new absence sets to enforce slot ordering.
1277 (popsi_insn): Set addrtype.
1279 2006-11-22 Ira Rosen <irar@il.ibm.com>
1281 * doc/c-tree.texi: Document new tree codes.
1282 * doc/md.texi: Document new optabs.
1283 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
1285 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
1286 * optabs.h (optab_index): Add new.
1287 (vec_extract_even_optab, vec_extract_odd_optab,
1288 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
1289 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
1290 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
1292 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
1293 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1294 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
1295 along with macros for their access.
1296 * tree-data-ref.h (first_location_in_loop, data_reference): Update
1298 * tree-vect-analyze.c (toplev.h): Include.
1299 (vect_determine_vectorization_factor): Fix indentation.
1300 (vect_insert_into_interleaving_chain,
1301 vect_update_interleaving_chain, vect_equal_offsets): New functions.
1302 (vect_analyze_data_ref_dependence): Add argument for interleaving
1303 check. Check for interleaving if it's true.
1304 (vect_check_dependences): New function.
1305 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
1306 every ddr. Call vect_analyze_data_ref_dependence with new argument.
1307 (vect_update_misalignment_for_peel): Update for interleaving.
1308 (vect_verify_datarefs_alignment): Check only first data-ref for
1310 (vect_enhance_data_refs_alignment): Update for interleaving. Check
1311 only first data-ref for interleaving.
1312 (vect_analyze_data_ref_access): Check interleaving, update
1314 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
1315 with different parameters.
1316 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
1317 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
1318 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
1319 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
1320 Update step in case of interleaving.
1321 (vect_strided_store_supported, vect_permute_store_chain): New
1323 (vectorizable_store): Handle strided stores.
1324 (vect_strided_load_supported, vect_permute_load_chain,
1325 vect_transform_strided_load): New functions.
1326 (vectorizable_load): Handle strided loads.
1327 (vect_transform_stmt): Add argument. Handle strided stores. Check
1328 that vectorized stmt exists for patterns.
1329 (vect_gen_niters_for_prolog_loop): Update calculation for
1331 (vect_transform_loop): Remove stmt_vec_info for strided stores after
1332 whole chain vectorization.
1333 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
1334 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
1335 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
1336 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
1337 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
1339 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
1341 * cse.c (enum taken): Remove PATH_AROUND.
1342 (addr_affects_sp_p, invalidate_skipped_set,
1343 invalidate_skipped_block): Remove.
1344 (cse_end_of_basic_block): Remove skip_blocks and related code.
1345 (cse_main): Don't test for flag_cse_skip_blocks.
1346 Update cse_end_of_basic_block call.
1347 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
1348 code to lengthen the path if a jump was simplified.
1350 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1352 PR rtl-optimization/29924
1353 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
1354 (unroll_loop_runtime_iterations): Assert that the argument passed to
1355 split_edge_and_insert is not NULL.
1356 * loop-doloop.c (add_test): Ditto.
1358 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1360 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
1362 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
1363 * cfgloopmanip.c (update_single_exits_after_duplication,
1364 update_single_exit_for_duplicated_loop, loop_version): Ditto.
1365 * tree-scalar-evolution.c (get_loop_exit_condition,
1366 get_exit_conditions_rec, loop_closed_phi_def,
1367 number_of_iterations_in_loop, scev_const_prop): Ditto.
1368 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
1369 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
1371 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1373 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1374 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
1375 slpeel_make_loop_iterate_ntimes,
1376 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
1377 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1379 * tree-if-conv.c (if_convertible_loop_p): Ditto.
1380 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
1381 vect_analyze_loop_form): Ditto.
1382 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
1383 can_convert_to_perfect_nest, perfect_nestify): Ditto.
1384 * tree-vect-transform.c (vect_create_epilog_for_reduction,
1385 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1386 vect_transform_loop): Ditto.
1387 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
1388 (single_exit, set_single_exit): New functions.
1389 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
1390 (single_exit, set_single_exit): Declare.
1391 * doc/loop.texi: Undocument single_exit field. Document single_exit
1394 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1396 PR tree-optimization/29902
1397 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
1398 any involved ssa name appears in abnormal phi node.
1400 2006-11-21 Bob Wilson <bob.wilson@acm.org>
1402 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
1403 (xtensa_const_ok_for_letter_p): Delete.
1404 (xtensa_extra_constraint): Delete.
1405 (override_options): Delete xtensa_char_to_class initialization.
1406 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
1407 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1408 (EXTRA_CONSTRAINT): Delete.
1409 * config/xtensa/xtensa.md: Include constraints.md.
1410 (call_internal): Combine alternatives.
1411 (call_value_internal): Likewise, and remove invalid constraints.
1412 * config/xtensa/constraints.md: New file.
1413 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
1414 (xtensa_extra_constraint): Delete.
1415 * doc/md.texi (Machine Constraints): Refer to constraints.md for
1418 2006-11-21 Janis Johnson <janis187@us.ibm.com>
1420 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
1421 of conversion that doesn't fit.
1423 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
1424 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
1425 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
1427 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
1429 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
1431 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
1433 2006-11-21 Richard Guenther <rguenther@suse.de>
1435 * tree-vectorizer.h (NUM_PATTERNS): Increase.
1436 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
1437 vect_recog_pow_pattern.
1438 (vect_recog_pow_pattern): New function.
1440 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
1442 * config/bfin/bfin.opt (mstack-check-l1): New.
1443 * doc/invoke.texi (Blackfin Options): Document it.
1444 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
1445 stack bounds in L1 memory if the new option is enabled.
1446 (override_options): Don't allow combinations of -fstack-limit and
1448 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
1451 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
1453 (bfin_register_move_cost): Bump costs if trying to move plain
1454 integer values through accumulators.
1456 2006-11-21 Ben Elliston <bje@au.ibm.com>
1458 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
1460 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1461 Russell Olsen <Russell_Olsen@playstation.sony.com>
1462 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1463 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1464 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1465 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1466 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1468 * config.gcc: Add target for SPU.
1469 * config/spu/constraints.md: New file.
1470 * config/spu/crt0.c: New file.
1471 * config/spu/crtend.c: New file.
1472 * config/spu/crti.asm: New file.
1473 * config/spu/crtn.asm: New file.
1474 * config/spu/float_unsdidf.c: New file.
1475 * config/spu/float_unssidf.c: New file.
1476 * config/spu/predicates.md: New file.
1477 * config/spu/spu-builtins.def: New file.
1478 * config/spu/spu-builtins.h: New file.
1479 * config/spu/spu-builtins.md: New file.
1480 * config/spu/spu-c.c: New file.
1481 * config/spu/spu-elf.h: New file.
1482 * config/spu/spu-modes.def: New file.
1483 * config/spu/spu-protos.h: New file.
1484 * config/spu/spu.c: New file.
1485 * config/spu/spu.h: New file.
1486 * config/spu/spu.md: New file.
1487 * config/spu/spu.opt: New file.
1488 * config/spu/spu_internals.h: New file.
1489 * config/spu/spu_intrinsics.h: New file.
1490 * config/spu/spu_mfcio.h: New file.
1491 * config/spu/t-spu-elf: New file.
1492 * config/spu/vec_types.h: New file.
1493 * config/spu/vmx2spu.h: New file.
1494 * doc/contrib.texi: Document SPU contributor.
1495 * doc/extend.texi: Document SPU extensions.
1496 * doc/invoke.texi: Document SPU options.
1497 * doc/md.texi: Document SPU constraints.
1499 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1501 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1503 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1505 (flow_loop_dump): Do not dump loop level.
1506 (flow_loops_find): Do not call flow_loops_level_compute.
1507 * cfgloop.h (struct loop): Remove level field.
1509 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1511 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1512 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1513 Use vector of edges instead of array.
1514 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1515 estimate_numbers_of_iterations_loop): Ditto.
1516 * predict.c (predict_loops): Ditto.
1517 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1518 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1520 * basic-block.h: Declare heap allocation for edge vectors.
1521 * tree-outof-ssa.c: Ditto.
1522 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1523 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1525 2006-11-20 Zack Weinberg <zackw@panix.com>
1527 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1528 Add another out parameter, "skip".
1529 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1530 is tagged "skip", do not mark its type used.
1532 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1535 * tree-sra.c (single_scalar_field_in_record_p): New function.
1536 (decide_block_copy): Use it.
1538 2006-11-20 David Daney <ddaney@avtrex.com>
1540 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1541 PC to point to following instruction.
1543 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1547 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1549 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1551 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1553 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1554 Add sh/superh.h to tm_file.
1556 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1557 Mark Mitchell <mark@codesourcery.com>
1559 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1561 (cpp_relocated): New function.
1562 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1564 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1565 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1566 replace configured prefix with gcc_exec_prefix.
1568 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1570 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1571 bfin_legitimate_constant_p.
1572 * config/bfin/bfin.md (movsi expander): Check return value of
1574 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1575 (expand_move): Adjust prototype.
1576 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1577 invalid constants specially.
1578 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1580 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1582 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1583 sibcall_value_symbol): Allow these patterns if
1584 TARGET_LEAF_ID_SHARED_LIBRARY.
1585 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1586 (override_options): Turn on id shared library flags if -msep-data,
1587 but disallow the combination of these options on the command line.
1588 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1589 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1590 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1591 -mid-shared-library.
1592 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1593 * doc/invoke.texi (Blackfin Options): Document new switches.
1595 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1596 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1598 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1599 inflate costs for addresses with an out-of-bounds address.
1601 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1604 * fwprop.c (loops): Remove.
1605 (forward_propagate_into): Use current_loops instead of
1607 (fwprop_init): Call loop_optimizer_init instead of
1609 (fwprop_done): Call loop_optimizer_finalize instead of
1611 (fwprop): Use current_loops instead of loops.
1613 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1616 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1618 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1621 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1622 larger than BITS_PER_WORD.
1624 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1628 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1629 to MAX_FIXED_MODE_SIZE.
1631 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1633 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1634 (fold_builtin_fmin_fmax): New.
1635 (fold_builtin_1): Use it.
1637 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1639 2006-11-18 Richard Guenther <rguenther@suse.de>
1641 * config/i386/i386.c (ix86_builtins): New array for ix86
1642 builtin function decls.
1643 (def_builtin): New function.
1644 (def_builtin_const): Likewise.
1645 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1647 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1649 * doc/invoke.texi (core2): Add item.
1651 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1653 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1654 (TARGET_CPU_DEFAULT_generic): Change value.
1655 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1656 (processor_type): Add new constant PROCESSOR_CORE2.
1658 * config/i386/i386.md (cpu): Add core2.
1660 * config/i386/i386.c (core2_cost): New initialized variable.
1661 (m_CORE2): New macro.
1662 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1663 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1664 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1665 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1666 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1667 x86_accumulate_outgoing_args, x86_prologue_using_move,
1668 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1669 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1670 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1671 x86_pad_returns): Add m_CORE2.
1672 (override_options): Add entries for Core2.
1673 (ix86_issue_rate): Add case for Core2.
1675 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1677 * doc/invoke.texi: Fix mno-isel typo.
1679 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1681 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1682 easy vector constant loads.
1684 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1686 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1687 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1688 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1689 * config/rs6000/sync.md (lwsync): Emit plain sync if
1692 2006-11-17 DJ Delorie <dj@redhat.com>
1694 * reload1.c (reloads_unique_chain): New.
1695 (reloads_conflict): Call it.
1697 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1699 * config/xtensa/predicates.md (addsubx_operand): New.
1700 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1701 (xtensa_emit_bit_branch): New.
1702 (xtensa_emit_movcc): New.
1703 * config/xtensa/xtensa.md (any_minmax): New code macro.
1704 (minmax): New code attribute.
1705 (any_cond, any_scc, any_scc_sf): New code macros.
1706 (*addx2, *addx4, *addx8): Delete.
1708 (*subx2, *subx4, *subx8): Delete.
1710 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1711 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1712 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1713 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1714 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1715 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1716 (movsfcc_internal0, movsfcc_internal1): Likewise.
1717 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1718 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1719 (xtensa_emit_bit_branch): New.
1720 (xtensa_emit_movcc): New.
1721 (function_arg_boundary): Add missing prototype.
1723 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1725 * config/xtensa/xtensa.md (tstsi): Delete
1727 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1729 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1731 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1733 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1735 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1737 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1739 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1741 * tree-vrp.c (execute_vrp): Do not update current_loops.
1742 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1743 * doc/loop.texi: Remove documentation for cancelled functions.
1744 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1745 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1747 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1748 (remove_path): Ensure that in delete_basic_blocks, the loops
1749 are still allocated.
1750 (add_loop): Work on valid loop structures.
1751 (loopify): Modify call of add_loop.
1752 (mfb_update_loops): Removed.
1753 (create_preheader): Do not update loops explicitly.
1754 (force_single_succ_latches, loop_version): Do not use
1755 loop_split_edge_with.
1756 (loop_split_edge_with): Removed.
1757 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1758 Do not use bsi_insert_on_edge_immediate_loop.
1759 (split_loop_exit_edge, tree_unroll_loop): Do not use
1760 loop_split_edge_with.
1761 (bsi_insert_on_edge_immediate_loop): Removed.
1762 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1763 use loop_split_edge_with.
1764 * cfghooks.c: Include cfgloop.h.
1765 (verify_flow_info): Verify that loop_father is filled iff current_loops
1767 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1768 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1770 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1772 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1773 loop_split_edge_with.
1774 (sms_schedule): Use current_loops.
1775 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1776 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1778 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1779 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1780 * ifcvt.c (if_convert): Ditto.
1781 * predict.c (predict_loops): Do not clear current_loops.
1782 (tree_estimate_probability): Use current_loops.
1783 (propagate_freq): Receive head of the region to propagate instead of
1785 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1786 (estimate_loops): New function. Handle case current_loops == NULL.
1787 (estimate_bb_frequencies): Do not allocate tovisit. Use
1789 * tree-ssa-loop.c (current_loops): Removed.
1790 (tree_loop_optimizer_init): Do not return loops.
1791 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1792 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1793 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1794 Do not update loops explicitly.
1795 * function.h (struct function): Add x_current_loops field.
1796 (current_loops): New macro.
1797 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1798 * loop-unroll.c (split_edge_and_insert): New function.
1799 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1800 use loop_split_edge_with.
1801 * loop-doloop.c (add_test, doloop_modify): Ditto.
1802 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1803 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1804 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1805 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1807 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1808 (flow_loops_free): Do not free dfs_order and rc_order.
1809 (flow_loops_find): Do not set dfs_order and rc_order in loops
1810 structure. Do not call loops and flow info verification.
1811 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1812 already belongs to some loop.
1813 * cfgloop.h (struct loops): Remove struct cfg.
1814 (current_loops, loop_split_edge_with): Declaration removed.
1815 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1816 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1817 Declaration removed.
1818 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1819 * basic-block.h (split_edge_and_insert): Declare.
1820 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1822 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1824 PR tree-optimization/29801
1825 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1826 (get_default_value): Use get_symbol_constant_value.
1827 (set_lattice_value): ICE when the value of the constant is
1829 (visit_assignment): Ignore VDEFs of read-only variables.
1831 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1833 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1835 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1836 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1838 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1840 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1841 select subvars of var.
1843 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1846 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1847 optimize if DEF doesn't have integral type.
1849 2006-11-16 Mike Stump <mrs@apple.com>
1851 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1852 pre-darwin9 system, unless the user asks for it directly.
1853 (PREFERRED_DEBUGGING_TYPE): Likewise.
1854 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1855 * config.gcc: Add suppport for darwin9.h.
1856 * config/darwin9.h: Add.
1857 * doc/install.texi (Specific): Clarify darwin documentation.
1859 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1861 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1862 optimizing for size.
1864 2006-11-16 Mike Stump <mrs@apple.com>
1866 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1868 2006-11-16 Dirk Mueller <dmueller@suse.de>
1870 * tree-vrp.c (get_value_range): Use XCNEW instead
1872 (insert_range_assertions): Use XCNEWVEC instead
1873 of XNEWVEC and memset.
1874 (vrp_initialize): Same.
1875 (vrp_finalize): Same.
1876 * tree-ssa-ccp.c (ccp_initialize): Same.
1877 * predict.c (tree_bb_level_predictions): Same.
1878 * calls.c (expand_call): Same.
1879 * tree-ssa-copy.c (init_copy_prop): Same.
1880 (fini_copy_prop): Same.
1881 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1882 of GGC_NEW and memset.
1884 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1887 * gimplify.c (gimplify_expr): Only force a load for references to
1888 non-BLKmode volatile values.
1889 * doc/implement-c.texi (Qualifiers implementation): Document the
1890 interpretation of what a volatile access is.
1891 * doc/extend.texi (C++ Extensions): Rework same documentation.
1893 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1895 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1898 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1900 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1902 (arm_neg_abssi2): Renamed from neg_abssi2.
1903 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1905 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1907 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1908 number of arguments passed to local functions in SSE registers is 3.
1910 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1911 number of arguments passed in SSE registers to 3.
1913 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1916 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1918 (get_last_bb_insn): ... new global function.
1919 (basic_block.h): Declare it.
1920 * haifa-sched.c (create_recovery_block): Use it.
1922 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1925 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1927 2006-11-15 Paul Brook <paul@codesourcery.com>
1929 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1930 _Unwind_GetTextRelBase): Move from here ...
1931 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1932 _Unwind_GetTextRelBase): ... To here.
1934 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1936 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1937 addresses we generate for testing are aligned.
1939 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1942 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1943 to what is the const decl is a place holder for.
1945 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1947 * config/i386/i386.opt: New target option -mx87regparm.
1949 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1950 and float_in_x87 variables. mmx_words, sse_words: Remove.
1951 (X87_REGPARM_MAX): Define.
1953 * config/i386/i386.c (override_options): Error out for
1954 -mx87regparm but no 80387 support.
1955 (ix86_attribute_table): Add x87regparm.
1956 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1957 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1958 (ix86_function_x87regparm): New function.
1959 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1961 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1963 (function_arg_advance): Process x87_nregs and x87_regno when
1964 floating point argument is to be passed in 80387 register.
1965 (function_arg): Pass XFmode arguments in 80387 registers for local
1966 functions. Pass SFmode and DFmode arguments to local functions
1967 in 80387 registers when flag_unsafe_math_optimizations is set.
1969 * reg-stack.c (convert_regs_entry): Disable NaN load for
1970 stack registers that are used for argument passing.
1972 * doc/extend.texi: Document x87regparm function attribute.
1973 * doc/invoke.texi: Document -mx87regparm.
1975 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1977 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1978 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1979 arg MODE; all callers changed. Use it to determine validity per
1980 machine mode instead of using Pmode for all memory references.
1981 (get_address_cost): Likewise add and use new arg MEM_MODE.
1983 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1984 J"orn Rennecke <joern.rennecke@st.com>
1986 * combine.c (likely_spilled_retval_1): Fix masking operation.
1987 (likely_spilled_retval_p): Use proper pattern for call to
1988 likely_spilled_retval_1.
1990 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1992 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1994 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1995 that tests for CONSTANT_POOL_ADDRESS_P.
1997 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1999 PR tree-optimization/29581
2000 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
2001 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
2002 type is different between Y and USE, create a temporary
2003 variable, initialize it at the beginning of the body bb
2004 and use it as replacement instead of Y.
2006 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
2009 * gimplify.c (fold_indirect_ref_rhs): Use
2010 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
2012 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
2014 * expmed.c (emit_store_flag_1): New function.
2015 (emit_store_flag): Call it. If we can't find a suitable scc insn,
2017 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
2018 Use do_compare_rtx_and_jump.
2019 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
2020 * arm.md (cstoresi4): New define_expand.
2021 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
2022 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
2023 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
2025 2006-11-14 Caroline Tice <ctice@apple.com>
2027 * dwarf2out.c (debug_pubtypes_section): New static global variable.
2028 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
2030 (pubname_table): Redefine as a vector.
2031 (pubtype_table): New static global variable, defined as a vector.
2032 (pubname_table_allocated): Remove static global variable.
2033 (pubname_table_in_use): Remove static global variable.
2034 (PUBNAME_TABLE_INCREMENT): Remove constant.
2035 (size_of_pubnames): Add parameter to deal with either pubnames or
2036 pubtypes, and change code to deal with table being a vector.
2037 (add_pubname): Change to deal with table being a vector.
2038 (add_pubtype): New function.
2039 (output_pubnames): Add parameter to deal with either pubnames or
2040 pubtypes, and change code to deal with table being a vector.
2041 (gen_array_type_die): Add call to add_pubtype.
2042 (gen_enumeration_type_die): Add call to add_pubtype.
2043 (gen_struct_or_union_type_die): Add call to add_pubtype.
2044 (gen_subroutine_type_die): Add call to add_pubtype.
2045 (gen_typedef_die): Add call to add_pubtype.
2046 (dwarf2out_init): Add code to initialize pubname_table and
2047 pubtype_table vectors; also initialize debug_pubtypes_section.
2048 (prune_unused_types): Change to deal with pubnames being a vector.
2049 (dwarf2out_finish): Change to deal with pubnames being a vector; add
2050 pubnames table to call to output_pubnames; Add code to output pubtypes
2051 table if DEBUG_PUBTYPES_SECTION is defined.
2052 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
2054 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
2056 2006-11-14 Joseph Myers <joseph@codesourcery.com>
2058 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
2059 iwmmxt_nregs if TARGET_IWMMXT_ABI.
2060 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
2061 movv2si_internal): Support moves between core registers.
2063 2006-11-14 Eric Christopher <echristo@apple.com>
2065 * configure: Regenerate with autoconf 2.59.
2067 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
2069 Fix PR tree-optimization/27755
2071 * tree-ssa-pre.c: Update comments.
2072 (bb_bitmap_sets): Add pa_in and deferred member.
2073 (BB_DEFERRED): New macro.
2074 (maximal_set): New variable.
2075 (pre_stats): Add pa_insert member.
2076 (bitmap_set_and): Short circuit orig == dest.
2077 (bitmap_set_subtract_values): New function.
2078 (bitmap_set_contains_expr): Ditto.
2079 (translate_vuses_through_block): Add phiblock argument.
2080 (dependent_clean): New function.
2081 (compute_antic_aux): Update for maximal_set changes.
2082 (compute_partial_antic_aux): New function.
2083 (compute_antic): Handle partial anticipation.
2084 (do_partial_partial_insertion): New function.
2085 (insert_aux): Handle partial anticipation.
2086 (add_to_sets): Add to maximal set.
2087 (compute_avail): Ditto.
2088 (init_pre): Initialize maximal_set.
2089 (execute_pre): Do partial anticipation if -O3+.
2091 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
2093 PR rtl-optimization/29798
2095 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
2096 TARGET_INSN before any other check.
2097 (fwprop_init): Always calculate dominators.
2098 (fwprop_done): Always free them.
2100 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2102 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
2105 2006-11-13 DJ Delorie <dj@redhat.com>
2107 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
2108 temporary for intermediates.
2110 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
2112 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
2113 (sh_optimize_target_register_callee_saved): #if 0 the code
2114 using NOTE_INSN_LOOP_{BEG,END}.
2116 2006-11-13 Roger Sayle <roger@eyesopen.com>
2118 * fold-const.c (optimize_bit_field_compare): Recursively call
2119 fold when simplifying non-constant comparisons between bit-fields.
2121 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2123 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
2125 * configure: Rebuilt.
2127 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
2129 * config/rs6000/cell.md: New file.
2130 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
2132 (ppccell_cost): New cost matrix.
2133 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
2134 (rs6000_override_options): Set rs6000_always_hint to false
2135 for cell. Also align functions/lables/loops to 8byte
2136 for the Cell. Use PROCESSOR_CELL.
2137 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
2138 using_mtcr_multiple.
2139 (rs6000_variable_issue): If the insn is a nonpipelined instruction
2140 on the Cell, return 0.
2141 (rs6000_adjust_cost): Add Cell cost adjustments.
2142 (is_microcoded_insn): Return true for Cell microcoded
2144 (is_nonpipeline_insn): New function.
2145 (rs6000_issue_rate): Add PROCESSOR_CELL.
2146 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
2148 (rs6000_use_sched_lookahead_guard): New function.
2149 (rs6000_sched_reorder): Reorder the ready list, if the second
2150 to last ready insn is a nonepipeline insn on the Cell.
2151 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
2152 (ASM_CPU_SPEC): Add Cell.
2153 * config/rs6000/rs6000.md (cpu): Add Cell.
2154 (cell_micro): New Attr.
2157 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2159 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
2161 * configure: Rebuilt.
2163 2006-11-13 Richard Guenther <rguenther@suse.de>
2165 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
2167 (ix86_expand_lfloorceil): Likewise.
2168 (ix86_expand_rint): Likewise.
2169 (ix86_expand_floorceildf_32): Likewise.
2170 (ix86_expand_floorceil): Likewise.
2171 (ix86_expand_rounddf_32): Likewise.
2172 (ix86_expand_truncdf_32): Likewise.
2173 (ix86_expand_round): Likewise.
2175 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
2176 Mark Mitchell <mark@codesourcery.com>
2178 * gcc.c: Organize search path variables into $prefix relative,
2179 and well-known native. Add comments.
2180 (add_sysrooted_prefix): Add comment.
2181 (process_command): If !gcc_exec_prefix add $prefix based paths.
2182 If *cross_compile == '0', add native well-known paths.
2183 Assert tooldir_base_prefix is always relative.
2184 (main): If print_search_dirs, and if gcc_exec_prefix is set,
2185 use this value for 'install:' path.
2186 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
2188 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2190 * config/i386/i386.c: Fix a typo in comment.
2192 2006-11-13 Michael Matz <matz@suse.de>
2194 * genemit.c (gen_expand): Allocate enough memory.
2196 2006-11-13 Joseph Myers <joseph@codesourcery.com>
2198 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
2199 __GXX_TYPEINFO_EQUALITY_INLINE but not
2200 __GXX_MERGED_TYPEINFO_NAMES.
2201 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
2202 __GXX_MERGED_TYPEINFO_NAMES.
2203 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
2204 __GXX_TYPEINFO_EQUALITY_INLINE.
2206 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2207 Zdenek Dvorak <dvorakz@suse.cz>
2209 PR tree-optimization/29680
2210 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
2213 2006-11-12 Jason Merrill <jason@redhat.com>
2214 Andrew Pinski <pinskia@physics.uc.edu>
2217 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
2219 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
2221 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
2222 * tree.c (build_vector): Handle non-_CST elements.
2224 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2226 * genemit.c (gen_insn): Call gen_exp with a non-null used
2227 when handling multiple insns.
2228 (gen_expand): Likewise.
2229 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2230 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
2231 (movsi_const_16bit+1): Copy operands[1].
2232 (call_pcrel): Copy the call_site pattern.
2233 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
2235 2006-11-12 Roger Sayle <roger@eyesopen.com>
2237 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
2238 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
2239 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
2240 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
2242 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
2244 Fix PR tree-optimization/29587
2245 * tree-ssa-structalias.c (process_constraint): Don't
2246 mark address taken due only to escaped vars constraint.
2248 2006-11-12 Michael Matz <matz@suse.de>
2249 Roger Sayle <roger@eyesopen.com>
2251 PR rtl-optimization/29797
2252 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
2253 BITS_BIG_ENDIAN targets.
2255 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2257 * builtins.c (fold_builtin_cosh): New.
2258 (fold_builtin_1): Use it.
2259 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
2260 trunc to the list of "odd" functions. Also add llrint, lrint,
2261 rint and nearbyint when flag_rounding_math is false.
2263 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2265 * tree-flow.h (name_mappings_registered_p): Declare.
2266 * tree-into-ssa.c (name_mappings_registered_p): New function.
2267 * tree-cfg.c (tree_can_merge_blocks_p): Check
2268 name_mappings_registered_p instead of need_ssa_update_p.
2270 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2272 * tree-ssa-loop.c (tree_vectorize): Return the result of
2274 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
2275 if anything changed.
2276 * tree-vectorizer.h (vectorize_loops): Declaration removed.
2277 * tree-flow.h (vectorize_loops): Declaration changed.
2279 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2281 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
2283 (issue_prefetch_ref): Move assignment to write_p out of loop.
2284 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
2285 SIMULTANEOUS_PREFETCHES into account.
2286 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
2287 * lambda-code.c (lcm): Renamed to ...
2288 (least_common_multiple): ... and exported.
2289 * tree-flow.h (least_common_multiple): Declare.
2291 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2293 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
2294 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
2295 ud-chains. Handle AND_EXPR.
2296 (record_estimate): Record whether the estimate is realistic
2297 and whether it is derived from a loop exit.
2298 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
2299 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
2301 (compute_estimated_nb_iterations): Take only realistic bounds into
2302 account. Set estimate_state. Use double_ints.
2303 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
2304 and infer_loop_bounds_from_signedness. Do not consider basic blocks
2305 that do not have to be always executed.
2306 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
2307 to determine whether to call infer_loop_bounds_from_undefined
2308 and compute_estimated_nb_iterations.
2309 (n_of_executions_at_most): Use double_ints.
2310 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
2311 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
2312 * double-int.c (double_int_to_tree): Improve comment.
2313 (double_int_fits_to_tree_p): New function.
2314 * double-int.h (double_int_fits_to_tree_p): Declare.
2315 * tree-data-ref.c: Include langhooks.h.
2316 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
2317 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
2318 (analyze_array): Do not pass estimate_only argument to
2319 analyze_array_indexes.
2320 (get_number_of_iters_for_loop): Build tree from the stored double_int
2322 (get_references_in_stmt, find_data_references_in_stmt): New functions.
2323 (find_data_references_in_loop): Use find_data_references_in_stmt.
2324 * tree-data-ref.h (struct data_ref_loc_d): New.
2325 (get_references_in_stmt): Declare.
2326 (estimate_iters_using_array): Declaration removed.
2327 * cfgloop.h (struct nb_iter_bound): Change type of bound to
2328 double_int. Improve comments. Add is_exit and realistic
2330 (struct loop): Changed type of estimated_nb_iterations to double_int.
2331 Added estimate_state field.
2332 (record_estimate): Declaration removed.
2334 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2336 * params.c (set_param_value): Initialize the "set" field.
2337 * params.h (struct param_info): Add "set" field.
2338 (PARAM_SET_P): New macro.
2339 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
2340 L1_CACHE_LINE_SIZE): New macros.
2341 * toplev.c (DEFPARAM): Initialize the "set" field.
2342 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
2343 SIMULTANEOUS_PREFETCHES): Removed.
2344 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
2345 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
2346 * config/sparc/sparc.c: Include params.h.
2347 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
2348 L1_CACHE_LINE_SIZE parameters.
2349 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2351 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2353 * config/i386/i386.c: Include params.h.
2354 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
2355 (override_options): Set SIMULTANEOUS_PREFETCHES and
2356 L1_CACHE_LINE_SIZE parameters.
2357 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
2358 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
2359 L1_CACHE_LINE_SIZE parameters.
2360 * config/ia64/ia64.c (ia64_optimization_options): Set
2361 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
2362 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
2364 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
2365 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
2366 * doc/invoke.texi: Document new params.
2368 2006-11-12 Roger Sayle <roger@eyesopen.com>
2370 PR tree-optimization/13827
2371 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
2374 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2376 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
2377 update_single_exit_for_duplicated_loops): New functions.
2378 (duplicate_loop_to_header_edge): Use
2379 update_single_exit_for_duplicated_loops.
2380 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
2381 functions only with ENABLE_CHECKING.
2383 2006-11-12 Andreas Schwab <schwab@suse.de>
2385 * except.c (sjlj_emit_function_enter): Remove unused variable.
2387 2006-11-11 Roger Sayle <roger@eyesopen.com>
2389 * fold-const.c (int_binop_types_match_p): New function.
2390 (size_binop): Relax constraint that both arguments must both have
2391 exactly the same sizetype type. Instead use int_binop_types_match_p.
2392 (size_diffop): Likewise.
2394 (make_range): Use build_int_cst instead of fold_convert.
2395 (fold_cond_expr_with_comparison): Use build_int_cst to construct
2396 integer constants of the correct type.
2397 (fold_div_compare): Likewise.
2398 (fold_single_bit_test): Likewise.
2399 (fold_binary): Likewise.
2400 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
2401 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
2403 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2406 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
2407 non null value if the struct memory access is in the 0th
2410 2006-11-12 Jie Zhang <jie.zhang@analog.com>
2413 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2414 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2417 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
2418 instead of builtin_define for bfin and BFIN.
2420 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2422 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2425 2006-11-11 Jan Hubicka <jh@suse.cz>
2427 * extend.texi (__builtin_expect): We no longer require second argument
2429 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
2430 * builtins.c (expand_builtin_expect): Simplify.
2431 (expand_builtin_expect_jump): Kill.
2432 * final.c (final_scan_insn): Do not skip the removed notes.
2433 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
2434 EXPECTED_VALUE): Remove.
2435 * dojump.c (do_jump): Do not care about __builtin_expect.
2436 * predict.c (expected_value_to_br_prob): Kill.
2437 * function.c (expand_function_end): Do not expand
2438 NOTE_INSN_REPEATED_LINE_NUMBER.
2439 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
2440 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
2441 * cfgexpand.c (add_reg_br_prob_note): Export.
2442 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2443 expected_value_to_br_prob.
2444 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
2445 * rtl.h (add_reg_br_prob_note): Declare.
2447 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2449 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2451 2006-11-11 Jan Hubicka <jh@suse.cz>
2453 * predict.c (predict_loops): Kill RTL variant.
2455 2006-11-11 Jan Hubicka <jh@suse.cz>
2457 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
2458 * modulo-sched.c (find_line_note): Remove.
2459 (loop_canon_p): Do not worry about line number notes.
2460 (sms_schedule): Likewise.
2461 * cse.c (cse_main): Likewise.
2462 * regmove.c (fixup_match_1): Likewise
2463 * function.c (emit_return_info_block): Likewise.
2464 (expand_function_end): Likewise.
2465 (thread_prologue_an_epilogue_insns): Likewise.
2466 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2468 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2469 emit_note_copy_after): Kill.
2470 (emit_note_copy): Do not worry about line numbers.
2471 * jump.c (purge_line_number_notes): Kill.
2472 (pass_purge_lineno_notes): Kill.
2473 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2475 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2476 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2477 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2478 * tree-pass.h (pass_purge_lineno_notes): Kill.
2479 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2480 rm_redundant_line_notes.
2481 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2482 rm_redundant_line_notes.
2483 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2484 * haifa-sched.c: Update comment about handling notes.
2485 (unlink_line_notes): Kill.
2486 (rm_line_notes): Kill.
2487 (save_line_notes): Simplify.
2488 (rm_redundant_line_notes): Kill.
2490 2006-11-11 Richard Guenther <rguenther@suse.de>
2492 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2493 Remove unused tree codes.
2494 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2495 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2496 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2497 * tree.c (stabilize_reference): Likewise.
2498 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2499 fold_unary): Likewise.
2500 * tree-gimple.c (is_gimple_cast): Likewise.
2501 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2502 * expr.c (expand_expr_real_1): Likewise.
2503 * tree-eh.c (tree_could_trap_p): Likewise.
2504 * gimplify.c (gimplify_expr): Likewise.
2505 * tree-inline.c (estimate_num_insns_1): Likewise.
2506 * tree-cfg.c (verify_expr): Likewise.
2508 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2510 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2511 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2512 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2514 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2517 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2518 constraints accept neither registers or memories.
2520 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2522 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2523 (NO_PROFILE_COUNTERS): Define as 1.
2525 2006-11-10 Roger Sayle <roger@eyesopen.com>
2527 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2528 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2530 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2532 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2534 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2536 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2537 (fold_builtin_hypot): Likewise.
2538 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2540 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2542 2006-11-10 Roger Sayle <roger@eyesopen.com>
2544 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2545 when attempting to build INTEGER_CSTs of non-integral types.
2546 * expmed.c (make_tree): Use the correct type, i.e. the inner
2547 type, when constructing the individual elements of a CONST_VECTOR.
2549 2006-11-10 Jan Hubicka <jh@suse.cz>
2551 * cse.c (cse_process_notes): Copy the propagated value.
2552 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2554 * gcse.c (try_replace_reg): Copy the replacement.
2555 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2556 (assign_386_stack_local): Always return copied memory expression
2557 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2560 2006-11-10 Jan Hubicka <jh@suse.cz>
2562 * final.c (final): Walk from first instruction.
2563 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2565 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2568 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2570 (umulv8hi3_highpart): Ditto.
2571 (vec_widen_smult_hi_v8hi): New expander.
2572 (vec_widen_smult_lo_v8hi): Ditto.
2574 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2577 * builtins.c (do_mpfr_arg3): New.
2578 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2580 2006-11-09 Eric Christopher <echristo@apple.com>
2585 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2586 * config.gcc (powerpc64-*-darwin*): New target.
2587 * config.host: Ditto.
2588 * config/rs6000/darwin64.h: New file.
2589 * config/rs6000/x-darwin64: Ditto.
2590 * config/rs6000/host-ppc64-darwin.c: Ditto.
2592 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2594 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2595 routines for integer division.
2597 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2599 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2601 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2604 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2606 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2608 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2609 simplify_subreg with BLKmode outer mode.
2611 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2613 * doc/invoke.texi: Minor formatting fixes in option lists.
2615 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2617 PR tree-optimization/29738
2618 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2619 (ccp_lattice_t): Remove UNKNOWN_VAL.
2620 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2621 Do not handle UNKNOWN_VAL.
2622 (get_default_value): Set initial value of virtual operands to
2624 (get_value): Always use get_default_value on uninitialized
2626 (set_value_varying, surely_varying_stmt_p): New functions.
2627 (set_lattice_value): Do not pass argument to get_value.
2628 Do not handle UNKNOWN_VAL.
2629 (likely_value): Follow the semantics described in the comment.
2630 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2631 phi nodes DONT_SIMULATE_AGAIN.
2632 (ccp_fold): Do not pass argument to get_value.
2633 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2636 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2638 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2639 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2641 2006-11-08 Roger Sayle <roger@eyesopen.com>
2643 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2644 test for inclusion rather than as a test for exclusion.
2645 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2646 the condition after calling fold_binary.
2647 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2648 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2649 * builtins.c (fold_builtin_isascii): Likewise.
2650 (fold_builtin_isdigit): Likewise.
2652 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2654 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2655 * configure: Regenerate.
2657 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2659 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2660 enum argument instead of bool.
2661 (vect_analyze_operations): Call vectorizable_type_promotion.
2662 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2663 stmt_vec_info_type value.
2664 (supportable_widening_operation, vectorizable_type_promotion): New
2665 function declarations.
2666 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2667 (vectorizable_type_promotion): New function.
2668 (vect_transform_stmt): Call vectorizable_type_promotion.
2669 * tree-vect-analyze.c (supportable_widening_operation): New function.
2670 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2672 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2675 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2676 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2677 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2679 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2680 * expr.c (expand_expr_real_1): Likewise.
2681 * optabs.c (optab_for_tree_code): Likewise.
2682 (init_optabs): Initialize new optabs.
2683 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2684 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2685 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2686 vec_unpacku_lo_optab): Initialize new optabs.
2687 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2688 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2689 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2691 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2692 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2693 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2694 (vec_unpacku_lo_optab): New optabs.
2695 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2696 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2697 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2698 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2699 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2700 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2702 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2703 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2704 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2705 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2706 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2707 implement the unsigned unpacking patterns.
2708 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2709 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2710 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2711 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2712 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2713 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2714 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2715 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2716 multiplication patterns.
2718 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2719 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2720 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2721 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2722 (rs6000_builtin_mul_widen_odd): New.
2723 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2724 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2725 * tree-vectorizer.h (enum vect_relevant): New enum type.
2726 (_stmt_vec_info): Field relevant chaned from bool to enum
2728 (STMT_VINFO_RELEVANT_P): Updated.
2729 (STMT_VINFO_RELEVANT): New.
2730 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2731 instead of STMT_VINFO_RELEVANT_P.
2732 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2733 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2734 and boolean variable with enum vect_relevant.
2735 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2736 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2737 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2739 2006-11-08 Richard Henderson <rth@redhat.com>
2741 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2742 vec_widen_umult_lo_v8hi): New.
2743 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2744 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2746 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2747 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2748 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2749 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2750 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2751 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2752 vec_unpacks_lo_v4si): New.
2754 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2756 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2757 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2758 (vect_analyze_operations): Call vectorizable_type_demotion.
2759 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2760 stmt_vec_info_type value.
2761 (vectorizable_type_demotion): New function declaration.
2762 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2765 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2766 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2768 * tree-iniline.c (estimate_num_insns_1): Likewise.
2769 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2770 * optabs.c (optab_for_tree_code): Likewise.
2772 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2773 compared against the predicate of the result is not 'mode' (the input
2774 to the function) but a mode with half the size of 'mode'.
2775 (init_optab): Initialize new optabs.
2776 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2778 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2780 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2781 (vec_pack_usat_optab): Initialize new optabs.
2782 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2783 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2785 2006-11-08 Richard Henderson <rth@redehat.com>
2787 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2788 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2789 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2790 (vec_interleave_highv4si, vec_interleave_lowv4si):
2791 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2793 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2795 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2797 (vect_transform_stmt): Removed redundant code.
2799 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2801 * tree-vect-transform.c (vectorizable_operation): Support multiple
2804 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2806 * tree-vect-transform.c (vect_align_data_ref): Removed.
2807 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2808 Updated function documentation. Return the increment stmt in ptr_incr.
2809 (bump_vector_ptr): New function.
2810 (vect_get_vec_def_for_stmt_copy): New function.
2811 (vect_finish_stmt_generation): Create a stmt_info to newly created
2813 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2815 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2816 VF is greater than the number of elements that can fit in one vector
2818 (vectorizable_operation, vectorizable_condition): Likewise.
2819 (vectorizable_store, vectorizable_load): Support the case that the VF
2820 is greater than the number of elements that can fit in one vector word.
2821 (vect_transform_loop): Don't fail in case of multiple data-types.
2822 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2823 in case of multiple data-types; the smallest type determines the VF.
2824 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2825 if they are of different sizes.
2826 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2827 number of elements rather than number of bytes.
2828 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2829 (vect_can_advance_ivs_p): Fix a dump printout
2831 2006-11-07 Eric Christopher <echristo@apple.com>
2833 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2834 (__bswapsi2): Ditto.
2835 * libgcc2.h: Remove transformation of bswap routines.
2836 * config/i386/i386.md (bswapsi2): New.
2839 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2841 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2842 (handle_gnu_inline_attribute): New function.
2843 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2844 (merge_decls, start_decl, start_function): Likewise.
2845 * doc/extend.texi: Document gnu_inline attribute.
2847 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2850 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2851 _fixunstfdi, and _floatditf
2853 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2855 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2857 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2858 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2859 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2860 which start in an odd register.
2862 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2864 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2866 2006-11-07 Josh Conner <jconner@apple.com>
2868 * doc/invoke.texi (fstrict-aliasing): Move implementation
2870 * doc/tree-ssa.texi (Alias analysis): ...here.
2872 2006-11-07 Richard Guenther <rguenther@suse.de>
2874 PR tree-optimization/29610
2875 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2876 of tree_purge_dead_eh_edges as it may free dominators.
2878 * g++.dg/other/pr29610.C: New testcase.
2880 2006-11-07 David Ung <davidu@mips.com>
2882 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2883 costs when optimizing for size.
2884 (override_options): Use mips_rtx_cost_optimize_size table for cost
2887 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2889 * gcc.c (process_command): Treat -b as normal switch if its argument
2892 2006-11-07 David Ung <davidu@mips.com>
2894 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2897 2006-11-06 Eric Christopher <echristo@apple.com>
2899 * config.gcc: Add x86_64-darwin host support.
2900 * config.host: Ditto.
2901 * config/i386/darwin64.h: New file.
2902 * config/i386/t-darwin64: Ditto.
2904 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2906 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2907 and output-exists-not.
2909 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2912 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2913 checking for overflow.
2915 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2917 * configure.ac: Fixed typo in case statement: :: changed to ;;
2919 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2921 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2922 count_leading_zeros, and count_trailing_zeros.
2923 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2924 (TARGET_FOLD_BUILTIN): Define.
2925 (TARGET_EXPAND_BUILTIN): Define.
2926 (xtensa_init_builtins): New.
2927 (xtensa_fold_builtin): New.
2928 (xtensa_expand_builtin): New.
2929 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2930 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2931 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2932 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2933 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2934 (any_extend): New code macro.
2935 (u, su): New code attributes.
2936 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2937 (nsau): Remove; replaced by clzsi2.
2938 (ffssi2): Use clzsi2.
2939 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2940 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2941 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2942 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2943 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2945 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2947 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2949 * config/arm/t-strongarm-elf: Likewise.
2950 * config/arm/t-pe: Likewise.
2951 * config/arm/t-arm-elf: Likewise.
2952 * config/arm/t-xscale-elf: Likewise.
2953 * config/arm/t-arm-coff: Likewise.
2954 * config/arm/t-xscale-coff: Likewise.
2955 * config/arm/t-wince-pe: Likewise.
2957 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2959 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2962 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2965 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2968 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2971 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2972 as a valid 80387 constant.
2973 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2974 * config/i386/i386.md (unnamed splitter): Split the load of
2975 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2978 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2980 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2981 from the soft-frame, argument and virtual registers.
2983 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2985 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2986 patterns for standard 80387 constants.
2988 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2989 Steven Bosscher <steven@gcc.gnu.org>
2991 * fwprop.c: New file.
2992 * Makefile.in: Add fwprop.o.
2993 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2994 * passes.c (init_optimization_passes): Schedule forward propagation.
2995 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2997 * timevar.def (TV_FWPROP): New.
2998 * common.opt (-fforward-propagate): New.
2999 * opts.c (decode_options): Enable forward propagation at -O2.
3000 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
3001 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
3002 canon_for_address, table_size): Remove.
3003 (new_basic_block, insert, remove_from_table): Remove references to
3005 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
3006 simplification loop more straightforward by not calling fold_rtx
3008 (equiv_constant): Move here a small part of fold_rtx_subreg,
3009 do not call fold_rtx. Call avoid_constant_pool_reference
3011 * recog.h (canonicalize_change_group): New.
3013 * doc/invoke.texi (Optimization Options): Document fwprop.
3014 * doc/passes.texi (RTL passes): Document fwprop.
3016 2006-11-03 Geoffrey Keating <geoffk@apple.com>
3018 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
3019 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
3020 (grokdeclarator): Likewise.
3022 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
3024 * tree-dump.c (dump_enable_all): Rename local variable
3025 ir_type to avoid name conflicts.
3026 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
3027 instead of using ir_type().
3028 * profile.c (tree_register_profile_hooks): Likewise.
3029 * value-prof.c (tree_register_value_prof_hooks): Likewise.
3030 * basic-block.h (struct edge_def): Likewise.
3031 * config/arm/arm.c (legitimize_pic_address): Likewise.
3032 * coretypes.h (ir_type): New enum of all intermediate languages
3034 * cfghooks.c (ir_type): Rename to...
3035 (current_ir_type): ...this. Distinguish between cfgrtl and
3036 cfglayout mode when the current IR is RTL. Return enum ir_type.
3037 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
3039 2006-11-03 Paul Brook <paul@codesourcery.com>
3041 * config/arm/arm.c (arm_file_start): New function.
3042 (TARGET_ASM_FILE_START): Define.
3043 (arm_default_cpu): New variable.
3044 (arm_override_options): Set arm_default_cpu.
3046 2006-11-03 David Ung <davidu@mips.com>
3048 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
3049 PROCESSOR_24KC and PROCESSOR_24KF.
3050 * config/mips/mips.c (mips_cpu_info_table): Add processor names
3051 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
3052 (mips_rtx_cost_data): Add costs for the 24kc.
3053 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
3054 * config/mips/24k.md: Remove references to 24k and replace with
3055 uses of 24kc/24kf in the appropriate reservations.
3056 * doc/invoke.texi (MIPS Options): Updated.
3058 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
3060 * config/sh/crt1.asm: Fix #ifdef indent.
3062 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
3063 Merged from STMicroelectronics sources:
3064 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
3065 * config/sh/crt1.asm (vbr_600): Add missing #if.
3066 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
3067 * sh.opt (mfused-madd): New option.
3068 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
3069 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3070 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
3071 Remove pointless handler at VBR+0.
3072 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
3073 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
3074 fr7. Make sure the timer handler is called with the correct FPU
3075 precision setting, according to the ABI.
3076 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
3077 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
3078 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
3079 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
3080 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
3081 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
3082 zero as second operand.
3083 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
3084 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
3085 Fixed some bugs related to negative values, in particular -0
3086 and overflow at -0x80000000.
3087 * config/sh/divcost-analysis: Added sh4-300 figures.
3088 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
3089 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
3090 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
3091 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
3092 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
3093 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
3095 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
3097 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
3098 SH4-300 scheduling description & fixes to SH4-[12]00 description:
3099 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
3100 mac_mem, mem_mac, dfp_mul, fp_cmp.
3101 (insn_class, dfp_comp, any_fp_comp): Update.
3102 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
3103 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
3104 (muldf3_i): Likewise.
3105 (movsi_i): Split rI08 alternative into two separate alternatives.
3107 (movsi_ie, movsi_i_lowpart): Likewise.
3108 (movqi_i): Split ri alternative into two separate alternatives.
3110 * sh1.md (sh1_load_store, sh1_fp): Update.
3111 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
3112 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
3113 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
3114 (sh4a_fp_double_arith): Likewise.
3115 * sh4-300.md: New file.
3116 * sh.c (sh_handle_option): Handle m4-300* options.
3117 (sh_adjust_cost): Fix latency of auto-increments.
3118 Handle SH4-300 differently than other SH4s. Check for new insn types.
3119 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
3120 been set by an option.
3121 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
3122 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
3123 (mbranch-cost=): Likewise.
3124 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
3126 * sh.md (mulsf3): Remove special expansion code.
3127 (mulsf3_ie): Now a define_insn_and_split.
3128 (macsf3): Allow for TARGET_SH4.
3130 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
3131 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
3132 (expand_cbranchdi4): Likewise.
3133 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
3134 CONST_DOUBLE if the outer code is COMPARE.
3135 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
3136 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
3137 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
3138 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
3139 Remove redundant fp_{zero,one}_operand checks.
3140 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
3141 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
3142 (expand_cbranchdi4): Likewise.
3143 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
3144 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
3146 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
3148 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
3151 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
3153 * doc/invoke.texi: Fix mfp-trap-mode typo.
3155 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
3157 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
3158 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
3159 file_end_indicate_exec_stack.
3160 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
3162 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
3163 for a non-executable stack.
3164 * crti.asm: Likewise.
3165 * crtn.asm: Likewise.
3166 * libunwind.S: Likewise.
3168 2006-11-02 Ben Elliston <bje@au.ibm.com>
3170 * tree-ssa.c (warn_uninit): Use expand_location variables for
3171 locus and declaration locus.
3173 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
3176 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
3177 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
3178 cmp{eq,gt,gtu}{si,di}_media.
3179 (*cmpne0si_media): Remove.
3180 (*movsicc_umin): Adjust gen_cmp*_media call.
3181 (unordered): Change the mode of unordered and operands[1] to
3183 (seq): Adjust gen_cmp*_media calls. Make the mode of
3184 a temporary result of compare SImode if needed. If the mode
3185 of operands[0] is DImode, extend the temporary result to DImode.
3186 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
3187 (sunorderd): Change the mode of match_operand and unorderd to
3189 (cmpeq{sf,df}_media): Remove.
3190 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
3191 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
3192 and compare operation to SImode.
3194 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
3196 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
3198 (sparc64-sun-solaris2*): Likewise.
3200 2006-11-02 Paul Brook <paul@codesourcery.com>
3202 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
3203 from priority argument. Use different section for non-default
3205 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
3207 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
3210 * except.c (switch_to_exception_section): Do not cache the section
3211 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3212 and flag_function_sections is set.
3214 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3217 * builtins.c (do_mpfr_sincos): New.
3218 (fold_builtin_1): Use it to fold builtin sincos.
3220 2006-11-01 Roger Sayle <roger@eyesopen.com>
3222 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
3223 it into -D_REENTRANT.
3225 2006-11-01 Roger Sayle <roger@eyesopen.com>
3227 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
3228 whether the assembler supports taking the difference of symbols in
3229 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
3230 * configure: Regenerate.
3231 * config.in: Regenerate.
3232 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
3233 the assembler doesn't support taking the difference of symbols in
3234 different sections, i.e. we're using the native solaris assembler.
3236 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
3237 Peter Bergner <bergner@vnet.ibm.com>
3239 * doc/invoke.texi: Add cpu_type power6x
3240 (RS/6000 and PowerPC Options): Add -mmfpgpr.
3241 * config.gcc: Add cpu_type power6x.
3242 * configure.ac: Add test for mf{t,f}gpr instructions.
3243 (HAVE_AS_MFPGPR): New.
3244 * config.in: Regenerate.
3245 * configure: Regenerate.
3246 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
3247 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
3248 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
3249 and mftgpr attributes.
3250 (define_attr "cpu"): Add power6.
3251 Change instruction sequences to use new attributes.
3252 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
3253 (fix_truncdfsi2_mfpgpr): New.
3254 (floatsidf_ppc64_mfpgpr): New.
3255 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
3256 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
3257 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
3258 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
3259 (fix_truncdfsi2): Use gpc_reg_operand constraint.
3260 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
3261 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
3262 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
3263 cntlz,exts and var_delayed_compare.
3264 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3265 _ARCH_PWR6X, if features enabled.
3266 * config/rs6000/rs6000.opt (mmfpgpr): New.
3267 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
3268 (cached_can_issue_more): New variable.
3269 (processor_costs): Add power6_cost.
3270 (rs6000_sched_init): New function.
3271 (is_dispatch_slot_restricted): Deleted.
3272 (set_to_load_agen): New function.
3273 (is_load_insn,is_store_insn): New functions.
3274 (adjacent_mem_locations): New function.
3275 (insn_must_be_first_in_group): New function.
3276 (insn_must_be_last_in_group): New function.
3277 (rs6000_sched_reorder): New function.
3278 (rs6000_sched_reorder2): New function.
3279 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
3280 TARGET_SCHED_REORDER2): Define.
3281 (processor_target_table): Use PROCESSOR_POWER6 for power6.
3282 Add power6x. Add MASK_MFPGPR for power6x.
3283 (POWERPC_MASKS): Add MASK_MFPGPR.
3284 (rs6000_override_options): Set rs6000_always_hint to false
3285 for power6. Set rs6000_align_branch_targets. Replace
3286 rs6000_sched_groups check with rs6000_align_branch_targets.
3287 Use PROCESSOR_POWER6.
3288 (last_scheduled_insn): New variable.
3289 (load_store_pendulum): New variable.
3290 (rs6000_variable_issue): Set last_scheduled_insn and
3291 cached_can_issue_more.
3292 (rs6000_adjust_cost): Add power6 cost adjustments.
3293 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
3294 with insn_must_be_first_in_group. Add power6 priority adjustments.
3295 (rs6000_issue_rate): Add CPU_POWER6.
3296 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
3297 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
3298 (TARGET_MFPGPR): New.
3299 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
3300 (ASM_CPU_SPEC): Add power6x.
3301 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
3303 * config/rs6000/power6.md: New file.
3305 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
3307 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3308 HOST_WIDE_INT_PRINT to print high and low parts. Use
3309 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
3310 printing a hexadecimal number prefix it with 0x.
3312 2006-11-01 Chris Johns <chris@contemporary.net.au>
3315 * Makefile.in (install-driver): Use exeext when installing
3316 $target-gcc-$version.
3318 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
3320 * c-common.c (flag_cpp0x): New.
3321 * c-common.h (flag_cpp0x): New.
3322 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
3323 supported, define __GXX_EXPERIMENTAL_CPP0X__.
3324 * c-opts.c (set_std_cxx0x): New.
3325 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
3326 * c.opt (std=c++0x): Document.
3327 (std=gnu++0x): Ditto.
3328 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
3329 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
3331 2006-11-01 Richard Guenther <rguenther@suse.de>
3333 * config/i386/i386.c (ix86_expand_rint): Fix issues with
3335 (ix86_expand_floorceildf_32): Likewise.
3336 (ix86_expand_floorceil): Likewise.
3337 (ix86_expand_trunc): Likewise.
3339 2006-10-31 Andrew Pinski <pinskia@gmail.com>
3341 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
3344 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
3346 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
3348 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
3350 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
3352 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
3353 * configure.ac (use_cxa_atexit): As a special case, don't test
3354 for libc definition of __cxa_atexit on mingw32
3355 * configure: Regenerate.
3356 * config.gcc (i[34567]86-pc-mingw32): Default to
3357 enable__cxa_atexit=yes.
3359 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3361 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
3363 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3366 * c-decl.c (start_struct): Don't create self-containing
3368 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3370 * config/rs6000/rs6000-protos.h
3371 (darwin_rs6000_special_round_type_align): New.
3372 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
3373 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
3375 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3377 * toplev.c (compile_file): Call final_write_globals
3378 even if there have been errors.
3380 2006-10-31 Eric Christopher <echristo@apple.com>
3381 Falk Hueffner <falk@debian.org>
3383 * doc/extend.texi (__builtin_bswap32): Document.
3384 (__builtin_bswap64): Ditto.
3385 * doc/libgcc.texi (bswapsi2): Document.
3387 * doc/rtl.texi (bswap): Document.
3388 * optabs.c (expand_unop): Don't widen a bswap.
3389 (init_optabs): Init bswap. Set libfuncs explicitly
3390 for bswapsi2 and bswapdi2.
3391 * optabs.h (OTI_bswap): New.
3392 (bswap_optab): Ditto.
3393 * genopinit.c (optabs): Handle bswap_optab.
3394 * tree.h (tree_index): Add TI_UINT32_TYPE and
3396 (uint32_type_node): New.
3397 (uint64_type_node): Ditto.
3398 * tree.c (build_common_tree_nodes_2): Initialize
3399 uint32_type_node and uint64_type_node.
3400 * builtins.c (expand_builtin_bswap): New.
3401 (expand_builtin): Call.
3402 (fold_builtin_bswap): New.
3403 (fold_builtin_1): Call.
3404 * fold-const.c (tree_expr_nonnegative_p): Return true
3406 * builtin-types.def (BT_UINT32): New.
3408 (BT_FN_UINT32_UINT32): Ditto.
3409 (BT_FN_UINT64_UINT64): Ditto.
3410 * builtins.def (BUILT_IN_BSWAP32): New.
3411 (BUILT_IN_BSWAP64): Ditto.
3412 * rtl.def (BSWAP): New.
3413 * genattrtab.c (check_attr_value): New.
3414 * libgcc2.c (__bswapSI2): New.
3415 (__bswapDI2): Ditto.
3416 * libgcc2.h (__bswapSI2): Declare.
3417 (__bswapDI2): Ditto.
3418 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
3419 * simplify-rtx.c (simplify_const_unary_operation): Return
3421 * libgcc-std.ver (__bwapsi2): Add.
3422 (__bswapdi2): Ditto.
3423 * reload1.c (eliminate_regs_1): Add bswap.
3424 (elimination_effects): Ditto.
3425 * config/i386/i386.h (x86_bswap): New.
3426 (TARGET_BSWAP): Use.
3427 * config/i386/i386.c (x86_bswap): Set.
3429 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3431 * coverage.c (coverage_checksum_string): Update comment.
3432 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
3433 of get_file_function_name.
3434 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
3435 of get_file_function_name_long.
3436 * tree.c (get_file_function_name): Rename from
3437 get_file_function_name_long; improve comment; handle 'I' and 'D'
3438 specially when the target has ctor/dtor support; remove special
3440 (get_file_function_name): Remove.
3441 * tree.h (get_file_function_name): Rename from
3442 get_file_function_name_long.
3443 (get_file_function_name): Remove prototype.
3445 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3447 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
3448 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3450 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
3451 Call dsymutil when compiling and linking one or more source files
3454 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3457 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
3459 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3461 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3462 inline static functions in c99 mode.
3465 * doc/extend.texi (Inline): Update.
3466 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3467 * c-decl.c (current_extern_inline): Delete.
3468 (pop_scope): Adjust test for an undefined nested function.
3469 Add warning about undeclared inline function.
3470 (diagnose_mismatched_decls): Update comments. Disallow overriding
3471 of inline functions in a translation unit in C99. Allow inline
3472 declarations in C99 at any time.
3473 (merge_decls): Boolize variables. Handle C99 'extern inline'
3475 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3476 C99 inline semantics.
3477 (start_function): Don't clear current_extern_inline. Don't set
3479 (c_push_function_context): Don't push current_extern_inline.
3480 (c_pop_function_context): Don't restore current_extern_inline.
3483 * c-typeck.c (build_external_ref): Warn about static variables
3484 used in extern inline functions.
3485 * c-decl.c (start_decl): Warn about static variables declared
3486 in extern inline functions.
3488 2006-10-31 Roger Sayle <roger@eyesopen.com>
3491 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3492 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3493 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3494 or y is an even integer.
3496 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3499 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3500 * gthr-posix95.h (__gthread_active_p): Likewise.
3502 2006-10-31 Richard Guenther <rguenther@suse.de>
3504 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3505 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3506 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3507 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3508 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3509 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3510 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3511 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3514 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3516 * opts.c (decode_options): Disable CSE skip blocks.
3518 2006-10-30 Dirk Mueller <dmueller@suse.de>
3520 * c-common.h (strict_aliasing_warning): Fix whitespace.
3521 * c-decl (start_function): Move code for main decl warning ..
3522 * c-common.c (check_main_parameter_types): .. here.
3523 * c-common.h (check_main_parameter_types): Declare.
3525 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3528 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3530 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3532 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3533 be a PARALLEL containing sets. Return false when out_pat is not
3536 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3538 * config/mips/mips.md (mul<mode>3): Split into...
3539 (mulsi3, muldi3): ...these separate patterns.
3541 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3543 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3544 but with each set of options separated by spaces.
3546 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3548 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3549 dwarf_reg_size_table has been initialized.
3551 2006-10-30 Roger Sayle <roger@eyesopen.com>
3553 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3554 * ddg.c (print_ddg_edge): Likewise.
3555 * dwarf2out.c (prune_unused_types_walk): Likewise.
3556 * ifcvt.c (noce_try_cmove_arith): Likewise.
3557 * langhooks.c (add_builtin_function): Likewise.
3558 * reg-stack.c (subst_stack_regs_pat): Likewise.
3559 * tree.c (expanded_location): Likewise.
3560 * tree-dump.c (dequeue_and_dump): Likewise.
3562 2006-10-30 David Daney <ddaney@avtrex.com>
3564 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3566 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3568 PR tree-optimization/29637
3569 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3570 of the innertype is the innertype itself.
3572 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3574 * dwarf2out.c (file_name_acquire): Correct typo.
3576 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3578 * tree.h (tree_value_handle): Remove struct value_set declaration.
3579 Change value_set to bitmap_set.
3580 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3581 * tree-vn.c (get_value_handle): Made inline and moved to
3583 * tree-flow-inline.h: (has_stmt_ann): New function.
3584 * tree-ssa-pre.c (expressions): New variable.
3585 (next_expression_id): Ditto.
3586 (alloc_expression_id): New function.
3587 (struct value_set): Remove.
3588 (get_expression_id): New function.
3589 (get_or_alloc_expression_id): Ditto.
3590 (expression_for_id): Ditto.
3591 (clear_expression_ids): Ditto.
3592 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3593 (bb_value_sets): Renamed to bb_bitmap_sets.
3594 All value sets replaced with bitmap_sets.
3596 (BB_VISITED): New macro.
3597 (postorder): New variable.
3598 (add_to_value): Removed.
3599 (value_exists_in_set_bitmap): Ditto.
3600 (value_insert_into_set_bitmap): Ditto.
3603 (set_remove): Ditto.
3604 (set_contains_value): Ditto.
3605 (insert_into_set): Ditto.
3607 (find_leader): Ditto.
3608 (bitmap_set_subtract_from_value_set): Ditto.
3609 (value_insert_into_set): Ditto.
3610 (print_value_set): Ditto.
3611 (debug_value_set): Ditto.
3612 (constant_expr_p): New function.
3613 (bitmap_remove_from_set): Ditto.
3614 (bitmap_insert_into_set): Ditto.
3615 (bitmap_set_free): Ditto.
3616 (vh_compare): Ditto.
3617 (sorted_array_from_bitmap_set): Ditto.
3618 (bitmap_set_subtract): Ditto.
3619 (bitmap_set_equal): Ditto.
3620 (debug_bitmap_set): Ditto.
3621 (find_leader_in_sets): Ditto.
3622 (bitmap_set_replace_value): Modify for bitmapped sets.
3623 (phi_translate): Ditto.
3624 (phi_translate_set): Ditto.
3625 (bitmap_find_leader): Ditto.
3626 (valid_in_sets): Ditto.
3627 (union_contains_value): Ditto.
3629 (compute_antic_aux): Ditto. Mark changed blocks.
3630 (compute_antic): Ditto. Iterate in postorder and only over
3632 (compute_rvuse_and_antic_safe): Reuse postorder.
3633 (create_component_ref_by_pieces): Modify for bitmapped sets.
3634 (find_or_generate_expression): Ditto.
3635 (create_expression_by_pieces): Ditto.
3636 (insert_into_preds_of_block): Ditto.
3637 (changed_blocks): New variable.
3638 (do_regular_insertion): Broken out from insert_aux.
3639 (insert_aux): Modified for bitmapped sets.
3640 (find_existing_value_expr): New function.
3641 (create_value_expr_from): Use it.
3642 (insert_extra_phis): Removed.
3643 (print_bitmap_set): Renamed from bitmap_print_value_set.
3644 (compute_avail): Handle RETURN_EXPR.
3645 (init_pre): Modify for bitmapped sets.
3646 * tree-flow.h (has_stmt_ann): New function.
3648 2006-10-29 Roger Sayle <roger@eyesopen.com>
3650 * builtins.c (fold_builtin_floor): Check for the availability of
3651 the C99 trunc function before transforming floor into trunc.
3653 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3655 * builtins.c (fold_builtin_hypot): Rearrange recursive
3656 transformation before others, and also do ABS_EXPR. When
3657 necessary, check flag_unsafe_math_optimizations. When necessary,
3660 2006-10-29 Roger Sayle <roger@eyesopen.com>
3662 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3663 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3664 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3665 Fold -X eq/ne -Y as X eq/ne Y.
3667 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3669 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3670 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3671 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3672 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3673 Use an inclusive test for "mult" rather than "mul".
3674 (rotr<mode>3): Depend on ISA_HAS_ROR.
3675 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3677 (GENERATE_MULT3_DI): Delete.
3678 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3679 (ISA_HAS_MUL3): New macro.
3680 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3681 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3682 (ISA_HAS_CLZ_CLO): Likewise.
3683 (ISA_HAS_DCLZ_DCLO): Delete.
3684 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3685 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3686 the VR4120 and VR4130.
3687 (ISA_HAS_MACCHI): Use consistent formatting.
3688 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3689 (ISA_HAS_ROR): ...this new macro.
3690 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3691 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3692 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3694 2006-10-29 Roger Sayle <roger@eyesopen.com>
3696 PR tree-optimization/15458
3697 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3700 2006-10-29 Richard Guenther <rguenther@suse.de>
3702 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3703 (ix86_expand_truncdf_32): Likewise.
3704 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3705 trunc inline for SSE math and -fno-trapping-math and if not
3706 optimizing for size.
3707 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3708 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3709 for expanding btrunc inline for SSE math.
3711 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3713 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3714 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3715 i[34567]86-*-solaris2.1[0-9]*.
3716 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3717 Define conditionally depending on TARGET_64BIT_DEFAULT.
3718 (SPEC_32, SPEC_64): Define.
3719 (LINK_SPEC): Use them.
3720 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3722 2006-10-29 Richard Guenther <rguenther@suse.de>
3724 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3725 (ix86_expand_rounddf_32): Likewise.
3726 * config/i386/i386.c (ix86_expand_round): New function expanding
3727 round inline for SSE math and -fno-trapping-math and if not
3728 optimizing for size.
3729 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3730 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3731 round via ix86_expand_round.
3733 2006-10-29 Richard Guenther <rguenther@suse.de>
3735 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3736 (ix86_expand_floorceildf_32): Likewise.
3737 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3738 static helper function.
3739 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3741 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3742 * config/i386/i386.md (floordf2): Adjust to enable floor
3743 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3744 -fno-trapping-math is enabled and if not optimizing for size.
3745 (floorsf2, ceildf2, ceilsf2): Likewise.
3746 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3747 (sse2_maskcmpdf3): Likewise.
3749 2006-10-29 Richard Guenther <rguenther@suse.de>
3751 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3752 rint in case -fno-trapping-math is enabled.
3753 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3754 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3755 (ix86_expand_sse_fabs): Likewise.
3756 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3757 * config/i386/i386.md (rintdf2): Enable for SSE math if
3758 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3759 (rintsf2): Likewise.
3761 2006-10-29 Richard Guenther <rguenther@suse.de>
3763 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3764 to conversion optabs.
3765 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3766 as conversion optab.
3767 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3768 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3769 (lfloor_optab, lceil_optab): Adjust defines.
3770 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3771 lfloor and lceil optabs now being conversion optabs.
3772 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3773 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3774 New static helper function.
3775 (ix86_expand_lfloorceil): New function to expand lfloor and
3777 * config/i386/i386.md (lfloor<mode>2): Split into ...
3778 (lfloorxf<mode>2): ... x87 variant
3779 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3780 using ix86_expand_lfloorceil.
3781 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3783 * doc/md.texi (lfloorMN, lceilMN): Document.
3785 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3787 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3788 -mno-shared assembler option on mips targets.
3789 * configure, config.in: Regenerate.
3790 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3791 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3792 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3794 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3796 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3797 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3799 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3801 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3802 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3805 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3808 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3809 (fold_builtin_pow): Evaluate constant arguments at compile-time
3811 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3812 (do_mpfr_ckconv): New helper function.
3813 (do_mpfr_arg1): Use do_mpfr_ckconv.
3814 (do_mpfr_arg2): New.
3816 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3819 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3820 (-fdump-rtl-sched): Rename to ..
3821 (-fdump-rtl-sched1): here. Also fix file extension number.
3823 2006-10-28 Richard Guenther <rguenther@suse.de>
3825 * fold-const.c (maybe_canonicalize_comparison): Fix code
3828 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3830 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3831 (NON_QI_REG_P): Use IN_RANGE.
3832 (REX_INT_REGNO_P): Use IN_RANGE.
3833 (FP_REGNO_P): Use IN_RANGE.
3834 (SSE_REGNO_P): Use IN_RANGE.
3835 (REX_SSE_REGNO_P): Use IN_RANGE.
3836 (MMX_REGNO_P): Use IN_RANGE.
3837 (STACK_REGNO_P): New macro.
3838 (STACK_REG_P): Use STACK_REGNO_P.
3839 (NON_STACK_REG_P): Use STACK_REGNO_P.
3840 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3841 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3842 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3843 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3844 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3846 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3848 * except.h (output_function_exception_table): Add 'const char*' param.
3849 * except.c (switch_to_exception_section): Add 'const char*' param.
3850 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3851 and flag_function_sections is set, use a function-specific section.
3852 (output_function_exception_table): Add 'const char*' param.
3853 Adjust call to switch_to_exception_section.
3854 * final.c (rest_of_handle_final): Adjust calls to
3855 output_function_exception_table.
3856 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3857 * config.in: Regenerate.
3858 * configure: Likewise.
3860 2006-10-28 Richard Guenther <rguenther@suse.de>
3863 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3864 for maybe_canonicalize_comparison.
3865 (maybe_canonicalize_comparison): New function for canonicalizing
3867 (fold_comparison): Call it to canonicalize comparisons with
3870 2006-10-28 Richard Guenther <rguenther@suse.de>
3873 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3874 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3875 (expand_builtin): Adjust likewise.
3876 * genopinit.c (optabs[]): Add lround optab.
3877 * optabs.c (init_optabs): Initialize lround_optab.
3878 * optabs.h (enum convert_optab_index): Add COI_lround.
3879 (lround_optab): Define.
3880 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3881 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3883 (ix86_expand_lround): New function.
3884 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3886 * doc/md.texi (lroundMN2): Document.
3888 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3891 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3892 argument to HOST_WIDE_INT. Update function prototype.
3893 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3894 "size" argument to HOST_WIDE_INT. Update function prototype.
3896 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3898 * config/i386/i386.c (output_387_ffreep): Create output from a
3899 template string for !HAVE_AS_IX86_FFREEP.
3901 2006-10-27 Eric Christopher <echristo@apple.com>
3903 * config/darwin.c: Fix formatting and grammar.
3905 2006-10-27 Jan Hubicka <jh@suse.cz>
3907 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3908 to be thrown away soon when IGNORE is set.
3909 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3910 indicating when return value shall not be computed.
3911 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3913 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3915 * config/i386/i386.h (TARGET_GEODE):
3916 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3917 (TARGET_CPU_DEFAULT_geode): New macro.
3918 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3919 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3920 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3921 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3922 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3924 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3925 (processor_type): Add PROCESSOR_GEODE.
3927 * config/i386/i386.md: Include geode.md.
3930 * config/i386/i386.c (geode_cost): New initialized global
3932 (m_GEODE, m_K6_GEODE): New macros.
3933 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3934 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3935 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3936 x86_schedule): Use m_K6_GEODE instead of m_K6.
3937 (x86_movx, x86_cmove): Set up m_GEODE.
3938 (x86_integer_DFmode_moves): Clear m_GEODE.
3939 (processor_target_table): Add entry for geode.
3940 (processor_alias_table): Ditto.
3942 * config/i386/geode.md: New file.
3944 * doc/invoke.texi: Add entry about geode processor.
3946 2006-10-27 Mike Stump <mrs@apple.com>
3948 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3949 __DYNAMIC__ from here back to ...
3950 * config/darwin.h (CPP_SPEC): ... here.
3952 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3953 Nathan Sidwell <nathan@codesourcery.com>
3955 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3956 when choosing the minimum heapsize.
3958 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3960 * gcc/unwind-dw2.h: Move cfa-related variables into
3961 struct frame_state_reg_info to ensure that the CFA is properly
3962 handled when executing DW_CFA_{remember,restore}_state.
3963 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3964 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3965 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3966 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3967 gcc/config/rs6000/linux-unwind.h,
3968 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3969 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3970 Modify to use new cfa_* fields.
3972 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3974 * config/s390/s390.c (s390_init_frame_layout): Check positive
3977 2006-10-26 Ben Elliston <bje@au.ibm.com>
3979 * gimplify.c (get_name): Remove extraneous break.
3980 (gimplify_omp_for): Initialise ret with GS_OK.
3982 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3984 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3985 Add unix98.o to link line.
3987 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3990 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3991 Calculate compile-time constants using MPFR.
3992 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3993 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3995 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3997 * config/xtensa/lib2funcs.S: Use C-style comments.
3999 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
4001 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
4002 (file_table_relative_p): Likewise.
4003 (dwarf2out_finish): Likewise.
4004 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
4006 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
4008 * tree-ssa-structalias.c (intra_create_variable_infos):
4009 Don't recreate nonlocal_all if it already exists.
4011 2006-10-25 Richard Guenther <rguenther@suse.de>
4014 * optabs.h (enum optab_index): Remove OTI_lrint.
4015 (enum convert_optab_index): Add COI_lrint.
4016 (lrint_optab): Adjust.
4017 (expand_sfix_optab): Declare.
4018 * optabs.c (expand_sfix_optab): New function.
4019 (init_optabs): Init lrint_optab as conversion optab.
4020 * genopinit.c (lrint_optab): Change to a conversion optab.
4021 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
4022 expansion via conversion optab.
4023 * config/i386/i386.md (*fistdi2_1): Remove
4024 flag_unsafe_math_optimizations guard.
4025 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
4026 fist<mode>2_with_temp): Likewise.
4027 (lrint<mode>2): Split into...
4028 (lrintxf<mode>2): ... x87 part
4029 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
4030 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
4031 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
4032 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
4033 * doc/md.texi (lrintMN2): Document.
4035 2006-10-25 Uros Bizjak <uros@kss-loka.si>
4038 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
4039 Use inc and dec instructions for TARGET_USE_INCDEC.
4040 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
4041 ("sync_double_compare_and_swap<mode>"): Likewise.
4042 ("*sync_double_compare_and_swapdi_pic"): Likewise.
4043 ("*sync_compare_and_swap_cc<mode>"): Likewise.
4044 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
4045 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
4046 ("sync_old_add<mode>"): Likewise.
4047 ("sync_lock_test_and_set<mode>"): Likewise.
4048 ("sync_lock_test_and_set<mode>"): Likewise.
4049 ("sync_add<mode>"): Likewise.
4050 ("sync_sub<mode>"): Likewise.
4051 ("sync_ior<mode>"): Likewise.
4052 ("sync_and<mode>"): Likewise.
4053 ("sync_xor<mode>"): Likewise.
4055 2006-10-25 Uros Bizjak <uros@kss-loka.si>
4057 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
4058 (remainder_optab): Define corresponding macro.
4059 (drem_optab): Remove.
4060 * optabs.c (init_optabs): Initialize remainder_optab. Remove
4061 drem_optab initialization.
4062 * genopinit.c (optabs): Implement remainder_optab using
4063 remainder?f3 patterns. Remove drem_optab.
4064 * builtins.c (expand_builtin_mathfn_2): Handle
4065 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
4066 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
4067 expand_builtin_mathfn_2.
4069 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
4070 depend on flag_unsafe_math_optimizations.
4072 * config/i386/i386.md ("remaindersf3", "remainderdf3")
4073 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
4074 Do not depend on flag_unsafe_math_optimizations. Use
4075 truncxf?f expander instead of truncxf?f_i387_noop.
4077 ("fpremxf4", "fprem1xf4"): Do not depend on
4078 flag_unsafe_math_optimizations.
4079 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
4080 flag_unsafe_math_optimizations. Use truncxf?f expander
4081 instead of truncxf?f_i387_noop.
4083 * doc/md.texi (fmod, remainder): Document standard named pattern.
4085 2006-10-24 Richard Sandiford <richard@codesourcery.com>
4086 David Daney <ddaney@avtrex.com>
4089 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
4091 2006-10-25 Ben Elliston <bje@au.ibm.com>
4093 * doc/extend.texi (Variable Attributes): Typo fix.
4095 2006-10-24 Uros Bizjak <uros@kss-loka.si>
4097 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
4098 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
4099 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
4100 (FRAME_POINTER_REGNUM): Update register number to 21.
4101 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
4102 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
4104 * config/i386/i386.c (regclass_map): Add fpcr entry.
4105 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
4107 (print_reg): Assert REGNO (x) != FPCR_REG.
4109 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
4110 (DIRFLAG_REG): Renumber.
4111 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
4112 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
4113 (sse_prologue_save, *sse_prologue_save_insn): Renumber
4114 hardcoded SSE register numbers.
4116 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
4117 hardcoded MMX register numbers.
4119 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4122 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
4123 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
4125 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
4126 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
4127 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
4128 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
4130 2006-10-24 Richard Guenther <rguenther@suse.de>
4133 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
4134 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
4135 for deciding optimizations in consistency with fold-const.c
4136 (fold_builtin_unordered_cmp): Likewise.
4138 2006-10-24 Richard Guenther <rguenther@suse.de>
4140 * builtins.c (fold_builtin_floor): Fold floor (x) where
4141 x is nonnegative to trunc (x).
4142 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
4143 nonnegative to FIX_TRUNC_EXPR.
4145 2006-10-24 Richard Guenther <rguenther@suse.de>
4147 PR tree-optimization/29567
4148 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
4149 for TRUTH_NOT_EXPR. Clarify comments.
4151 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4154 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
4155 at compile-time using MPFR. Change parameter VALUE to FUNC,
4157 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
4158 for overflow and underflow at all times and avoid folding in
4161 2006-10-24 Ben Elliston <bje@au.ibm.com>
4163 * reload1.c: Formatting fixes.
4165 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
4167 PR tree-optimization/14784
4168 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
4169 * tree-ssa-structalias.c (get_constraint_for,
4170 intra_create_variable_infos): Set is_heapvar.
4171 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
4172 non-heapvar pointer variables specially.
4174 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4177 * builtins.c (fold_builtin_sin, fold_builtin_cos,
4178 fold_builtin_tan): Fold all constant arguments. Take a "type"
4179 argument as necessary.
4180 (do_mpfr_arg1): New.
4181 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
4183 2006-10-23 Bob Wilson <bob.wilson@acm.org>
4185 * config/xtensa/lib1funcs.asm: Use C-style comments.
4187 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
4189 * tree.c (local_define_builtin): Replace calls to
4190 lang_hooks.builtin_function with add_builtin_function.
4191 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
4193 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
4195 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
4196 common code to add_builtin_function.
4197 * langhooks.c (add_builtin_function): New function.
4198 (lhd_builtin_function): New function.
4199 * langhooks.h (struct lang_hooks): Change the signature of
4201 (add_builtin_function): New function.
4202 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
4203 calls to lang_hooks.builtin_function with add_builtin_function.
4204 * c-common.c (decl_builtin_1): Replace calls to
4205 lang_hooks.builtin_function with add_builtin_function.
4206 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
4207 lang_hooks.builtin_function with add_builtin_function.
4208 * config/frv/frv.c (def_builtin): Replace calls to
4209 lang_hooks.builtin_function with add_builtin_function.
4210 * config/s390/s390.c (s390_init_builtins): Replace calls to
4211 lang_hooks.builtin_function with add_builtin_function.
4212 * config/sparc/sparc.c (def_builtin): Replace calls to
4213 lang_hooks.builtin_function with add_builtin_function.
4214 * config/i386/i386.c (def_builtin): Replace calls to
4215 lang_hooks.builtin_function with add_builtin_function.
4216 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
4217 lang_hooks.builtin_function with add_builtin_function.
4218 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
4219 lang_hooks.builtin_function with add_builtin_function.
4220 * config/stormy16/stormy16.c (xstormy16_init_builtins):
4221 Replace calls to lang_hooks.builtin_function with
4222 add_builtin_function.
4223 * config/iq2000/iq2000.c (def_builtin):
4224 Replace calls to lang_hooks.builtin_function with
4225 add_builtin_function.
4226 * config/ia64/ia64.c (def_builtin): Replace calls to
4227 lang_hooks.builtin_function with add_builtin_function.
4228 * config/rs6000/rs6000.c (def_builtin): Replace calls to
4229 lang_hooks.builtin_function with add_builtin_function.
4230 (altivec_init_builtins): Replace calls to
4231 lang_hooks.builtin_function with add_builtin_function.
4232 * config/arm/arm.c (def_mbuiltin): Replace calls to
4233 lang_hooks.builtin_function with add_builtin_function.
4234 (arm_init_tls_builtins): Replace calls to
4235 lang_hooks.builtin_function with add_builtin_function.
4236 * config/mips/mips.c (mips_init_builtins): Replace calls to
4237 lang_hooks.builtin_function with add_builtin_function.
4238 * config/bfin/bfin.c (def_builtin): Replace calls to
4239 lang_hooks.builtin_function with add_builtin_function.
4240 * langhooks-def.h (lhd_builtin_function): New function.
4241 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
4243 2006-10-23 Jakub Jelinek <jakub@redhat.com>
4245 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
4246 BUILT_IN_STRNCAT_CHK.
4248 2006-10-23 Jan Hubicka <jh@suse.cz>
4250 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
4251 don't do conversion from memmove to memcpy here.
4252 (expand_builtin_bcopy, expand_builtin): Update call of
4253 expand_builtin_memmove.
4254 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
4256 2006-10-23 Paul Brook <paul@codesourcery.com>
4258 * stor-layout.c (start_record_layout): maximum_field_alignment
4259 overrides STRUCTURE_SIZE_BOUNDARY.
4261 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
4263 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
4264 nonlocal function symbols if flag_pic.
4266 2006-10-23 Richard Guenther <rguenther@suse.de>
4270 * builtins.c (fold_binary): Remove checks for flag_wrapv
4271 and flag_trapv where negate_expr_p covers these cases.
4273 2006-10-23 Richard Guenther <rguenther@suse.de>
4276 * fold-const.c (fold_plusminus_mult_expr): Check exact power
4277 of two on the absolute value.
4278 (fold_binary): Fold x * -C to -x * C if x is easily negatable
4279 and negating -C does not overflow.
4281 2006-10-23 Richard Guenther <rguenther@suse.de>
4284 * convert.c (convert_to_real): Fold (float)-x to -(float)x
4285 only if not flag_rounding_math.
4287 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4288 Kaz Kojima <kkojima@gcc.gnu.org>
4291 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
4292 SImode memory reference for the source of a movua.
4293 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
4294 (movua): Use an unspec instead of sign_extract. Expect the source
4295 to have mode BLKmode.
4296 (extv, insv): Use a BLKmode rather than SImode memory reference
4297 for the source of a movua.
4299 2006-10-22 Jeff Law <law@redhat.com>
4300 Richard Guenther <rguenther@suse.de>
4302 PR tree-optimization/15911
4303 * tree-vrp.c (extract_code_and_val_from_cond): New function.
4304 (register_edge_assert_for_1): Likewise.
4305 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
4306 (find_conditional_asserts): Adjust for new function signature.
4307 (find_assert_locations): Likewise.
4309 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4311 * config/i386/tmmintrin.h: Remove the duplicated content.
4313 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4315 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
4316 (x86_64-*-*): Likewise.
4318 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
4319 (override_options): Check SSSE3.
4320 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
4321 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
4322 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
4323 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
4324 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
4325 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
4326 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
4327 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
4328 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
4329 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
4330 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
4331 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
4332 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
4333 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
4334 IX86_BUILTIN_PABSD128.
4335 (bdesc_2arg): Add SSSE3.
4336 (bdesc_1arg): Likewise.
4337 (ix86_init_mmx_sse_builtins): Support SSSE3.
4338 (ix86_expand_builtin): Likewise.
4339 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
4341 * config/i386/i386.md (UNSPEC_PSHUFB): New.
4342 (UNSPEC_PSIGN): Likewise.
4343 (UNSPEC_PALIGNR): Likewise.
4344 Include mmx.md before sse.md.
4346 * config/i386/i386.opt: Add -mssse3.
4348 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
4349 (ssse3_phaddwv4hi3): Likewise.
4350 (ssse3_phadddv4si3): Likewise.
4351 (ssse3_phadddv2si3): Likewise.
4352 (ssse3_phaddswv8hi3): Likewise.
4353 (ssse3_phaddswv4hi3): Likewise.
4354 (ssse3_phsubwv8hi3): Likewise.
4355 (ssse3_phsubwv4hi3): Likewise.
4356 (ssse3_phsubdv4si3): Likewise.
4357 (ssse3_phsubdv2si3): Likewise.
4358 (ssse3_phsubswv8hi3): Likewise.
4359 (ssse3_phsubswv4hi3): Likewise.
4360 (ssse3_pmaddubswv8hi3): Likewise.
4361 (ssse3_pmaddubswv4hi3): Likewise.
4362 (ssse3_pmulhrswv8hi3): Likewise.
4363 (ssse3_pmulhrswv4hi3): Likewise.
4364 (ssse3_pshufbv16qi3): Likewise.
4365 (ssse3_pshufbv8qi3): Likewise.
4366 (ssse3_psign<mode>3): Likewise.
4367 (ssse3_psign<mode>3): Likewise.
4368 (ssse3_palignrti): Likewise.
4369 (ssse3_palignrdi): Likewise.
4370 (abs<mode>2): Likewise.
4371 (abs<mode>2): Likewise.
4373 * config/i386/tmmintrin.h: New file.
4375 * doc/extend.texi: Document SSSE3 built-in functions.
4377 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
4379 2006-10-22 Ira Rosen <irar@il.ibm.com>
4381 * tree-vect-transform.c (vectorizable_load): Use the type of the
4382 return value of the mask_for_load builtin to create realign_load
4385 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4387 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
4390 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
4392 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
4393 (UNSPEC_LDDQU): This.
4394 * config/i386/sse.md (sse3_lddqu): Updated.
4396 2006-10-21 Richard Guenther <rguenther@suse.de>
4398 * builtins.c (expand_builtin_int_roundingfn_2): New function.
4399 (expand_builtin): Use it to expand lrint instead of
4400 expand_builtin_mathfn.
4402 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4405 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
4406 flag_unsafe_math_optimizations is set.
4408 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4411 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
4412 patterns to use memory input operand in x87->mem->XMM
4413 reload sequences. Skip transformation for TARGET_K8.
4415 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4417 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
4418 force operand1 to register if both operands are memory operands.
4419 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
4420 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
4421 if both operands are memory operands.
4422 (truncdfsf2): Do not force operand1 to register if both operands
4423 are memory operands.
4425 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4427 * Makefile.in (LIBS): Add $(GMPLIBS).
4428 * doc/install.texi: Update GMP and MPFR requirements.
4429 * doc/sourcebuild.texi (need_gmp): Delete.
4431 2006-10-21 Richard Guenther <rguenther@suse.de>
4433 PR tree-optimization/3511
4434 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
4435 got new invariant arguments during PHI translation.
4437 2006-10-21 Richard Guenther <rguenther@suse.de>
4440 * fold-const.c (fold_comparison): Fold signed comparisons
4441 of the form X +- C1 CMP Y +- C2.
4443 2006-10-21 Richard Guenther <rguenther@suse.de>
4446 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
4447 if flag_unsafe_math_optimizations is specified. We have
4448 flag_finite_math_only for that.
4449 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
4450 or flag_unsafe_math_optimizations.
4452 2006-10-21 Richard Guenther <rguenther@suse.de>
4454 * builtins.c (fold_builtin_classify): Fix typo.
4456 2006-10-21 Richard Guenther <rguenther@suse.de>
4459 * simplify-rtx.c (simplify_const_relational_operation):
4460 Do not constant-fold ORDERED and UNORDERED for
4461 flag_unsafe_math_optimizations but only we do not need to
4462 honor NaNs for the given mode.
4464 2006-10-21 Richard Guenther <rguenther@suse.de>
4467 * config/i386/i386.c (classify_argument): Remove redundant
4468 walking of the BINFOs.
4469 (contains_128bit_aligned_vector_p): Likewise.
4471 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4473 * BASE-VER: Set to 4.3.0.
4475 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4477 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4478 (tree_decl_with_vis): Remove artificial_pta_var flag.
4479 * tree-flow.h (referenced_var_check_and_insert): Expose.
4480 (nonlocal_all): New prototype.
4481 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4482 (nonlocal_all): Make global.
4483 (nonlocal_lookup): Remove.
4484 (nonlocal_insert): Ditto.
4485 (create_nonlocal_var): Do not call nonlocal_insert.
4486 (get_nonlocal_id_for_type): Remove.
4487 (find_global_initializers): Mark new vars we find for renaming.
4488 (intra_create_variable_infos): Only create one nonlocal.
4489 (expand_nonlocal_solutions): Remove.
4490 (compute_points_to_sets): Don't call it.
4491 (ipa_pta_execute): Ditto.
4492 (init_alias_heapvars): Don't create nonlocal_for_type.
4493 (delete_alias_heapvars): Don't remove it.
4494 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4497 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4499 * doc/install.texi (Downloading GCC): Clarify mention of
4500 Fortran in the "full distribution" description.
4502 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4504 Fix PR tree-optimization/28778
4505 Fix PR tree-optimization/29156
4506 Fix PR tree-optimization/29415
4507 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4508 (tree_decl_with_vis): Add artificial_pta_var flag.
4509 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4510 pushed into callers.
4511 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4512 (nonlocal_all): Ditto.
4513 (struct variable_info): Add directly_dereferenced member.
4514 (var_escaped_vars): New variable.
4515 (escaped_vars_tree): Ditto.
4516 (escaped_vars_id): Ditto.
4517 (nonlocal_vars_id): Ditto.
4518 (new_var_info): Set directly_dereferenced.
4519 (graph_size): New variable
4520 (build_constraint_graph): Use graph_size.
4521 (solve_graph): Don't process constraints that cannot change the
4522 solution, don't try to propagate an empty solution to our
4524 (process_constraint): Set directly_dereferenced.
4525 (could_have_pointers): New function.
4526 (get_constraint_for_component_ref): Don't process STRING_CST.
4527 (nonlocal_lookup): New function.
4528 (nonlocal_insert): Ditto.
4529 (create_nonlocal_var): Ditto.
4530 (get_nonlocal_id_for_type): Ditto.
4531 (get_constraint_for): Allow results vector to be empty in the case
4532 of string constants.
4533 Handle results of calls properly.
4534 (update_alias_info): Update alias info stats on number and type of
4536 (find_func_aliases): Use could_have_pointers.
4537 (make_constraint_from_escaped): Renamed from
4538 make_constraint_to_anything, and changed to make constraints from
4540 (make_constraint_to_escaped): New function.
4541 (find_global_initializers): Ditto.
4542 (create_variable_info_for): Make constraint from escaped to any
4543 global variable, and from any global variable to the set of
4545 (intra_create_variable_infos): Deal with escaped instead of
4546 pointing to anything.
4547 (set_uids_in_ptset): Do type pruning on directly dereferenced
4549 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4550 (init_base_vars): Fix comment, and initialize escaped_vars.
4551 (need_to_solve): Removed.
4552 (find_escape_constraints): New function.
4553 (expand_nonlocal_solutions): Ditto.
4554 (compute_points_to_sets): Call find_escape_constraints and
4555 expand_nonlocal_solutions.
4556 (delete_points_to_sets): Don't fall off the end of the graph.
4557 (init_alias_heapvars): Initialize nonlocal_for_type and
4559 (delete_alias_heapvars): Free nonlocal_for_type and null out
4562 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4564 * fold-const.c (add_double): Rename to add_double_with_sign.
4565 Add 'unsigned_p' parameter and take it into account for the overflow.
4566 (mul_double): Rename to mul_double_with_sign.
4567 Add 'unsigned_p' parameter and take it into account for the overflow.
4568 (fold_div_compare): Call add_double_with_sign instead of add_double
4569 and mul_double_with_sign instead of mul_double, passing them the
4570 unsignedness of the type.
4571 * tree.h (add_double): Macroize.
4572 (add_double_with_sign): New prototype.
4573 (mul_double): Macroize.
4574 (mul_double_with_sign): New prototype.
4576 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4578 * config/score/crti.asm: New file.
4579 * config/score/crtn.asm: New file.
4580 * config/score/elf.h: New file.
4581 * config/score/mac.md: New file.
4582 * config/score/misc.md: New file.
4583 * config/score/mul-div.S: New file.
4584 * config/score/predicates.md: New file.
4585 * config/score/score7.md: New file.
4586 * config/score/score.c: New file.
4587 * config/score/score-conv.h: New file.
4588 * config/score/score.h: New file.
4589 * config/score/score.md: New file.
4590 * config/score/score-mdaux.c: New file.
4591 * config/score/score-mdaux.h: New file.
4592 * config/score/score-modes.def: New file.
4593 * config/score/score.opt: New file.
4594 * config/score/score-protos.h: New file.
4595 * config/score/score-version.h: New file.
4596 * config/score/t-score-elf: New file.
4597 * config.gcc: Add score*-*-* configurations(Update before).
4598 * doc/invoke.texi (Score Options): New section.
4599 * doc/md.texi (Score family): New section to document constraints.
4601 2006-10-19 Nick Clifton <nickc@redhat.com>
4603 * config/arm/arm.c: Fix spelling typo.
4605 2006-10-18 Tom Tromey <tromey@redhat.com>
4607 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4609 2006-10-18 Jan Hubicka <jh@suse.cz>
4612 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4615 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4617 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4618 TSI_SAME_STMT, since that's the desired entity.
4620 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4622 * config/s390/contraints.md: New file.
4623 * config/s390/s390-protos.h (s390_mem_constraint,
4624 s390_O_constraint_str, s390_N_constraint_str,
4625 s390_float_const_zero_p): Function prototypes added.
4626 * config/s390/s390.c (s390_extra_constraint_str,
4627 s390_const_double_ok_for_constraint_p,
4628 s390_const_ok_for_constraint_p): Functions removed.
4629 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4630 s390_float_const_zero_p): New functions.
4631 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4632 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4633 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4634 Macro definitions removed.
4635 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4636 s390_extra_constraint_str): Functions removed.
4638 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4639 Richard Sandiford <richard@codesourcery.com>
4642 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4643 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4645 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4647 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4648 (DWARF2_FRAME_REG_OUT): Likewise.
4649 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4650 (DWARF2_FRAME_REG_OUT): Likewise.
4652 2006-10-17 Paul Brook <paul@codesourcery.com>
4654 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4656 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4658 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4659 Standardize on "GNU Fortran" as the official name of the Fortran
4662 2006-10-16 Mike Stump <mrs@apple.com>
4664 * doc/invoke.texi (Darwin Options): Document -mkernel.
4665 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4667 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4668 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4669 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4670 (OS_MISSING_ALTIVEC): Add.
4671 * config/i386/i386.c (override_options): Add
4672 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4673 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4674 -mkernel, -static or -mdynamic-no-pic is given.
4675 (C_COMMON_OVERRIDE_OPTIONS): Add.
4676 * config/darwin.opt (fapple-kext): Add.
4678 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4679 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4681 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4682 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4683 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4684 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4685 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4686 (flag_mkernel): Add.
4687 (flag_apple_kext): Add.
4688 (TARGET_KEXTABI): Add.
4689 * config/darwin.c (darwin_handle_kext_attribute): Add.
4690 (DARWIN_VTABLE_P): Add.
4691 (darwin_binds_local_p): Add partial support for rebinding vtables
4693 (darwin_kextabi_p): Add.
4694 (darwin_override_options): Add.
4695 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4696 (darwin_kextabi_p): Add.
4697 (darwin_override_options): Add.
4698 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4699 __DYNAMIC__ and __STATIC__ here.
4701 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4703 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4704 Added mention of "make pdf" target, and Texinfo requirements for
4707 2006-10-16 DJ Delorie <dj@redhat.com>
4709 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4710 into the GOT in case we need a subreg of the address.
4712 2006-10-16 Richard Guenther <rguenther@suse.de>
4715 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4716 SSE builtin documentation. Document SSE2 builtins.
4718 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4720 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4721 symbol in the output file for non-shared links when -nostdlib or
4722 -nodefaultlibs isn't specified.
4724 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4725 posix thread support.
4727 2006-10-15 Jan Hubicka <jh@suse.cz>
4730 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4731 declared always_inline even when not inlining.
4733 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4734 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4735 Andrew Pinski <pinskia@gmail.com>
4738 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4740 2006-10-15 Jan Hubicka <jh@suse.cz>
4741 Richard Guenther <rguenther@suse.de>
4744 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4745 process_function_and_variable_attributes on all variables, including
4746 those discovered during cgraph construction phase.
4748 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4750 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4752 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4754 * config/i386/athlon.md (athlon_fist): Add fisttp.
4756 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4757 Ian Lance Taylor <ian@airs.com>
4760 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4761 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4764 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4766 * config/score/score.c, config/score/score.h: Fix comment
4769 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4772 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4775 2006-10-13 Eric Christopher <echristo@apple.com>
4777 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4779 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4782 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4783 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4784 alignment supported by 32-bit ELF.
4786 2006-10-13 Eric Christopher <echristo@apple.com>
4788 * config/darwin.c (darwin_emit_unwind_label): Strip
4789 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4791 2006-10-13 Richard Guenther <rguenther@suse.de>
4793 PR tree-optimization/29446
4794 * tree-vrp.c (fix_equivalence_set): Remove.
4795 (extract_range_from_assert): Do not call fix_equivalence_set.
4796 (debug_value_range): Print a newline.
4797 (compare_name_with_value): For equivalence sets with
4798 inconsistent value ranges conservatively bail out.
4799 (compare_names): Likewise.
4801 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4803 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4804 and MPFR for gfortran.
4806 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4808 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4809 alignment supported by 32-bit ELF.
4811 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4815 * c-typeck.c (digest_init): Always allow initializing vectors
4816 that have static storage duration with compound literals.
4817 * tree.c (build_type_attribute_qual_variant): New, based on
4818 build_type_attribute_variant.
4819 (build_type_attribute_variant): Rewrite using the former.
4820 (make_vector_type): Use build_type_attribute_qual_variant to build
4821 type variants. Use type_hash_canon on the others.
4823 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4824 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4826 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4828 2006-10-12 Jan Hubicka <jh@suse.cz>
4831 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4832 current_function_decl is set but current_function_scope is not.
4834 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4836 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4837 emit_insn to emit eh_return_internal instruction.
4838 (eh_return_internal): Explicitly set pc.
4840 2006-10-11 Richard Guenther <rguenther@suse.de>
4842 PR tree-optimization/28230
4843 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4844 to the correct place.
4846 2006-10-11 Richard Guenther <rguenther@suse.de>
4849 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4852 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4854 * configure.ac: Added pdf to "Make-hooks"
4855 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4856 targets and *.pdf file patterns in cleanup targets.
4857 * configure: Regenerated.
4859 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4861 * config/avr/predicates.md: New file.
4862 * config/avr/avr.md: Include it.
4863 (REG_SP): New constant.
4864 (peepholes): Use predicates.
4865 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4866 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4867 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4869 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4871 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4874 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4877 * builtins.c (var_decl_component_p): New function.
4878 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4879 single entry optimization to variables and components thereof.
4881 2006-10-10 Richard Guenther <rguenther@suse.de>
4883 PR rtl-optimization/29323
4884 * except.c (set_nothrow_function_flags): For functions
4885 that do not bind local bail out early.
4887 2006-10-10 Ben Elliston <bje@au.ibm.com>
4889 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4892 2006-10-09 Richard Henderson <rth@redhat.com>
4894 Revert emutls patch.
4896 2006-10-09 Richard Guenther <rguenther@suse.de>
4899 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4902 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4905 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4906 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4907 * configure: Regenerate.
4908 * config.in: Regenerate.
4910 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4912 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4914 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4916 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4917 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4918 Remove stray newline.
4920 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4922 * config/mips/mips.c (mips_classify_symbol): Do not return
4923 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4924 (mips_in_small_data_p): Tweak comments.
4926 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4928 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4930 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4932 * gimplify.c, sched-int.h: Fix comment typos.
4934 * sched-int.h: Fix comment typos.
4936 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4938 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4940 * sched-ebb.c (begin_schedule_ready): Use them.
4941 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4942 add_to_speculative_block, create_check_block_twin, speculate_insn,
4943 fix_jump_move, move_block_after_check): Ditto.
4944 * sched-rgn.c (new_ready): Ditto.
4946 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4948 PR rtl-optimization/29128
4949 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4950 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4951 allow interblock movement of speculation checks.
4953 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4956 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4957 casted to integer type.
4958 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4959 if they are significantly more expensive than [reg + index] ones.
4961 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4963 PR tree-optimization/29330
4964 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4965 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4966 on newly allocated ddrs.
4967 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4968 to VEC (loop_p, heap) pointer.
4969 (compute_data_dependences_for_loop): Adjust caller.
4970 (free_dependence_relations): Free DDR_LOOP_NEST.
4972 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4973 free DEPENDENCE_RELATIONS and DATAREFS.
4976 * builtins.c (expand_builtin_sync_operation,
4977 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4978 Use convert_to_mode to handle promoted arguments.
4980 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4982 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4984 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4986 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4988 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4990 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4991 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4992 Use <modeconstraint> instead of "r" as operand 1 constraint.
4994 2006-10-06 Olivier Hainque <hainque@adacore.com>
4996 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4997 Don't recurse on the pointed-to type.
4998 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4999 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
5000 types with components of variable size.
5002 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
5004 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
5006 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5008 PR tree-optimization/29290
5009 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
5013 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
5014 * config/i386/predicates.md (local_symbolic_operand): Likewise.
5017 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
5018 the number of vector elements fill the rest with zeros.
5020 2006-10-05 Richard Sandiford <richard@codesourcery.com>
5022 * config/mips/mips.c (mips_pass_by_reference): Do not return false
5023 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
5026 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
5028 * config/bfin/bfin.md (subsi3): Lose expander, change previously
5029 unnamed pattern into subsi3. Use correct constraints/predicates.
5030 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
5031 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
5033 2006-10-05 Ira Rosen <irar@il.ibm.com>
5035 * doc/loop.texi: Add data references analysis description.
5037 2006-10-04 Brooks Moses <bmoses@stanford.edu>
5039 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
5041 2006-10-04 Richard Henderson <rth@redhat.com>
5042 Jakub Jelinek <jakub@redhat.com>
5044 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
5045 * builtin-types.def (BT_WORD): Make unsigned.
5046 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
5047 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
5048 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
5049 * c-decl.c (grokdeclarator): Don't error if !have_tls.
5050 * c-parser.c (c_parser_omp_threadprivate): Likewise.
5051 * cgraph.c (decide_is_variable_needed): Look at force_output.
5052 Recurse for emulated tls.
5053 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
5054 checks redundant with decide_is_variable_needed.
5055 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
5056 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
5058 * expr.c (emutls_var_address): New.
5059 (expand_expr_real_1): Expand emulated tls.
5060 (expand_expr_addr_expr_1): Likewise.
5061 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
5062 * output.h (emutls_finish): Declare.
5063 * toplev.c (compile_file): Call it.
5064 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
5065 address before wrapping in CONST.
5066 * varasm.c (emutls_htab, emutls_object_type): New.
5067 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
5068 (get_emutls_object_name, get_emutls_object_type): New.
5069 (get_emutls_init_templ_addr, emutls_decl): New.
5070 (emutls_common_1, emutls_finish): New.
5071 (assemble_variable): When emulating tls, swap decls; generate
5072 constructor for the emutls objects.
5073 (do_assemble_alias): When emulating tls, swap decl and target name.
5074 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
5076 * emutls.c: New file.
5077 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
5078 tls_object for real tls.
5080 2006-10-04 Zack Weinberg <zackw@panix.com>
5082 Fix bug in constraint-check generator, reported by Rask Ingemann
5084 * genpreds.c (add_constraint): Don't remove anything from the
5086 (write_tm_constrs_h): Detect whether "op" argument is used, and
5087 mark it ARG_UNUSED if it isn't.
5088 (write_insn_const_int_ok_for_constraint): Skip the part of the
5089 expression that would test whether "op" (which is not available
5090 here) is a CONST_INT.
5092 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
5095 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
5097 2006-10-03 Geoffrey Keating <geoffk@apple.com>
5099 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
5100 current Leopard versions.
5101 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
5103 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
5105 * doc/install.texi: Fix typos.
5107 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
5109 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
5110 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
5111 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
5113 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
5115 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
5116 arg to be struct mach_header_64* instead.
5118 2006-10-02 Jakub Jelinek <jakub@redhat.com>
5121 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
5122 side effects after the outer expression's post side effects.
5124 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
5126 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
5127 comments to reflect actual behavior and relationship between
5128 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
5130 * doc/c-tree.texi (Working with declarations): Fix documentation
5131 of FIELD_DECL likewise.
5133 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
5136 * doc/extend.texi: Add used variable attribute description.
5138 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
5141 * c.opt (Woverride-init): New.
5142 * c-opts.c (c_common_post_options): Default warn_override_init to
5144 * c-typeck.c (add_pending_init, output_init_element): Warn for
5145 overriding initializers without side effects.
5146 * doc/invoke.texi (-Woverride-init): Document.
5149 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
5151 PR rtl-optimization/28096
5152 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
5153 assignment has already been used as a destination earlier in the block.
5155 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
5157 * builtins.c (expand_builtin_setjmp): Delete.
5158 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
5159 <BUILT_IN_SETJMP_SETUP>: New case.
5160 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
5161 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
5162 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
5163 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
5164 (BUILT_IN_SETJMP_RECEIVER): Likewise.
5165 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
5166 (lower_function_body): Initialize it to false. If it is set to true
5167 at the end of the processing, emit the setjmp dispatcher.
5168 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
5169 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
5170 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
5171 on the rhs of the assignment.
5172 (lower_builtin_setjmp): New function.
5173 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
5174 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
5175 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
5176 to detect calls that can go to non-local labels. Use specific
5177 helper to create the abnormal edges associated with them.
5178 <MODIFY_EXPR>: Likewise.
5179 (make_abnormal_goto_edges): New function extracted from...
5180 (make_goto_expr_edges): ...here. Call it for computed gotos.
5181 (simple_goto_p): Minor tweak.
5182 (tree_can_make_abnormal_goto): New predicate.
5183 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
5184 (tree_purge_dead_abnormal_call_edges): New function.
5185 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
5186 (tree_purge_dead_abnormal_call_edges): Likewise.
5187 (make_abnormal_goto_edges): Likewise.
5188 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
5189 Purge all dead abnormal edges if the call was in the last statement.
5190 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
5191 (execute_fixup_cfg): If there are non-local labels in the function,
5192 scan the basic blocks and split them at calls that can go to non-local
5193 labels or add missing abnormal call edges. Write down the CFG in the
5195 (pass_fixup_cfg): Remove TODO_dump_func flag.
5196 * unwind-sjlj.c: Poison setjmp.
5197 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
5198 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
5199 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
5200 (DONT_USE_BUILTIN_SETJMP): Document it.
5202 2006-09-28 Geoffrey Keating <geoffk@apple.com>
5205 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
5206 to 1 when __ppc64__ is defined.
5207 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
5209 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
5211 2006-09-28 Steve Ellcey <sje@cup.hp.com>
5213 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
5214 * config/ia64/unwind-hpux.c: Delete.
5216 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
5218 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
5219 on the element before gimplifying it, instead of punting if it is of
5222 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
5224 * doc/loop.texi: New file.
5225 * doc/gccint.texi: Reference loop.texi.
5226 * Makefile.in (loop.texi): Add.
5228 2006-09-27 Geoffrey Keating <geoffk@apple.com>
5230 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
5232 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5233 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5235 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
5237 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
5239 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
5241 * doc/install.texi: Document required versions of GMP and MPFR.
5243 2006-09-27 Paul Brook <paul@codesourcery.com>
5246 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
5248 2006-09-27 Richard Sandiford <richard@codesourcery.com>
5250 * reload1.c (alter_reg): Require the alignment of the stack slot to
5251 be at least reg_max_ref_width bytes.
5252 (scan_paradoxical_subregs): Record the largest width in
5255 2006-09-26 Jakub Jelinek <jakub@redhat.com>
5259 * tree-nested.c (struct nesting_info): Added static_chain_added.
5260 (convert_call_expr): Set static_chain_added when adding static
5261 chain. Handle OMP_PARALLEL and OMP_SECTION.
5263 2006-09-25 Matthias Klose <doko@debian.org>
5265 * doc/invoke.texi: Add missing full stop.
5267 2006-09-25 Richard Henderson <rth@redhat.com>
5269 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
5270 before cgraph_function_flags_ready.
5272 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
5273 Adam Nemet <anemet@caviumnetworks.com>
5275 * tree-ssa-loop-ivopts.c (aff_combination_convert,
5276 determine_common_wider_type): New functions.
5277 (get_computation_aff): Use them to simplify arithmetic between
5278 UBASE and CBASE if they are shortened from the same type.
5280 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
5283 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
5284 -2147483647 - 1 instead of 0x80000000.
5286 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
5288 * flags.h (HONOR_NANS): Fix typo in comment.
5290 2006-09-23 Uros Bizjak <uros@kss-loka.si>
5292 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
5294 2006-09-23 Jakub Jelinek <jakub@redhat.com>
5298 * tree.c (merge_attributes, attribute_list_contained): If both
5299 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
5301 * c-typeck.c (comptypes_internal): Don't consider aggregates
5302 in different TUs as compatible if there one set of attributes is
5303 not a subset of the other type's attributes.
5304 (composite_type): Try harder not to create a new aggregate type.
5306 2006-09-22 Geoffrey Keating <geoffk@apple.com>
5308 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
5309 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
5310 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
5311 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
5312 than replicating condition above.
5313 * config.host (i[34567]86-*-*): Always use driver-i386.o.
5315 * config/darwin.h (LINK_SYSROOT_SPEC): New.
5316 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
5317 the linker by default.
5319 2006-09-22 Mike Stump <mrs@apple.com>
5321 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
5324 2006-09-22 Richard Guenther <rguenther@suse.de>
5327 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
5328 sort of stack variables stable.
5330 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
5333 * explow.c (force_reg): Set REG_POINTER flag according to
5336 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
5338 PR tree-optimization/28888
5339 * tree-if-conv.c (combine_blocks): Rewritten.
5340 * tree-cfg.c (tree_verify_flow_info): Check that edges with
5341 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
5343 2006-09-22 Jakub Jelinek <jakub@redhat.com>
5345 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
5348 2006-09-21 Richard Sandiford <richard@codesourcery.com>
5350 * varasm.c (copy_constant): Fix reversed gcc_assert check.
5352 2006-09-21 Janis Johnson <janis187@us.ibm.com>
5354 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
5356 2006-09-21 Roger Sayle <roger@eyesopen.com>
5359 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
5360 dw_fde_current_label, to be the start of the function, i.e. the same
5361 value as dw_fde_begin.
5363 2006-09-20 Richard Sandiford <richard@codesourcery.com>
5365 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
5366 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
5367 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
5368 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
5369 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
5370 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
5371 (abs<mode>2, neg<mode>2): Likewise.
5372 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
5373 (*mips_abs_ps): New define_insn.
5375 2006-09-20 Josh Conner <jconner@apple.com>
5378 * calls.c (expand_call): Allow reuse of structure return stack
5381 2006-09-20 Paul Brook <paul@codesourcery.com>
5383 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
5386 2006-09-20 Janis Johnson <janis187@us.ibm.com>
5388 * doc/extend.texi (Decimal Float): Update for latest draft TR,
5389 clean up terminology.
5391 2006-09-20 Steve Ellcey <sje@cup.hp.com>
5394 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
5395 with tablejumps in them.
5397 2006-09-20 Jakub Jelinek <jakub@redhat.com>
5400 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
5401 wrap it into TARGET_EXPR.
5403 2006-09-20 Eric Christopher <echristo@apple.com>
5405 * config/i386/i386.c (x86_fisttp): Remove.
5406 * config/i386/i386.h (x86_fisttp): Ditto.
5407 (TARGET_FISTTP): Ditto.
5409 2006-09-19 Eric Christopher <echristo@apple.com>
5411 * doc/tm.texi (OBJC_JBLEN): Describe.
5412 * config/i386/darwin.h (OBJC_JBLEN): Define.
5413 * config/rs6000/darwin.h: Ditto.
5415 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
5417 PR rtl-optimization/21299
5418 * reload1.c (reload): Purge invalid ASMs in the final pass.
5420 2006-09-19 Steve Ellcey <sje@cup.hp.com>
5423 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
5424 pointers as legitimate constants.
5426 2006-09-19 Paul Brook <paul@codesourcery.com>
5429 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
5431 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
5433 PR tree-optimization/28887
5434 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
5435 component parts from the reference.
5436 (gather_memory_references_ref): Record the reference without the
5437 nonaddressable component parts.
5439 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
5442 * c-opts.c (c_common_handle_option): Ignore the -std options
5443 if the input language is assembly.
5445 2006-09-17 Ira Rosen <irar@il.ibm.com>
5448 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
5450 (ptr_ptr_may_alias_p): Likewise.
5451 (record_record_differ_p): New function.
5452 (base_object_differ_p): Call record_record_differ_p.
5454 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5457 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
5458 away for the expr argument.
5460 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5463 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5464 before using it for dumping after vectorizing loops.
5466 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5467 Jack Howarth <howarth@bromo.med.uc.edu>
5470 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5471 skip on error_mark_node.
5472 (rs6000_darwin64_record_arg_recurse): Likewise.
5474 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5476 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5477 * doc/rtl.texi: Remove related documentation.
5479 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5481 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5484 2006-09-15 Jim Wilson <wilson@specifix.com>
5486 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5487 Handle symbol offsets same as they are handled in ia64_expand_move
5490 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5492 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5493 Add forgotten parameter to the fprintf call.
5495 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5497 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5499 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5501 * doc/contrib.texi: Add my entry.
5503 2006-09-15 Nick Clifton <nickc@redhat.com>
5505 * doc/md.texi (Processor pipeline description): Fix typo in
5506 example of how to use the absence_set directive and reword the
5507 description to make it slightly easier to read.
5509 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5511 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5512 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5513 expanding the number of iterations.
5514 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5516 * cfgrtl.c (emit_insn_at_entry): New function.
5517 * rtl.h (emit_insn_at_entry): Declare it.
5518 * integrate.c (emit_initial_value_sets): Use it.
5520 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5522 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5524 (struct loop_work and related VEC declarations): Delete.
5525 (bfin_dump_loops): Print out new member bad.
5526 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5527 (bfin_scan_loop): Don't recurse.
5528 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5529 loops. No longer need to update outer loops if the current one is
5530 found bad. Move some validitiy checks to bfin_discover_loop.
5531 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5532 but changed not to check for nesting. Also changed to use the new bad
5534 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5535 time. Use bitmap based test to discover loop nesting.
5537 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5539 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5542 2006-09-14 Richard Guenther <rguenther@suse.de>
5543 Kazu Hirata <kazu@codesourcery.com>
5545 PR middle-end/28884.
5546 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5547 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5548 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5549 with TARGET_FUNCTION_VALUE.
5551 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5554 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5556 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5558 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5561 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5564 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5567 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5569 * basic_block.h (bb_has_eh_pred): Fix comment.
5571 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5573 * flow.c (calculate_global_regs_live): Invalidate eh registers
5574 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5575 (propagate_block): Handle eh registers as if they were set at basic
5577 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5579 * global.c (global_conflicts): Make eh registers to conflict with
5580 pseudos live at basic block begin.
5581 * basic_block.h (bb_has_eh_pred): New function.
5583 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5585 PR rtl-optimization/28982
5586 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5587 index of a PRE_MODIFY or POST_MODIFY address.
5588 * reload1.c (inc_for_reload): Use find_replacement on the original
5589 base and index registers.
5591 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5593 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5594 for -Os. Update __m128 alignment requirement.
5596 2006-09-13 Jan Hubicka <jh@suse.cz>
5598 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5600 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5602 PR rtl-optimization/28243
5603 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5604 the insn to which the note was originally attached.
5606 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5607 Roger Sayle <roger@eyesopen.com>
5609 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5610 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5611 on platforms that don't use dwarf for debug info.
5613 2006-09-12 Jason Merrill <jason@redhat.com>
5616 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5617 hard_frame_pointer_rtx after using it to update the frame pointer.
5619 2006-09-12 Roger Sayle <roger@eyesopen.com>
5621 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5622 (TARGET_ASM_CLOSE_PAREN): Likewise.
5623 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5624 (TARGET_ASM_CLOSE_PAREN): Likewise.
5626 2006-09-12 Roger Sayle <roger@eyesopen.com>
5629 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5630 frame information for frames larger than 512 Kbytes on Tru64 when
5631 using the native assembler.
5633 2006-09-12 Roger Sayle <roger@eyesopen.com>
5637 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5638 and symbols. Instead use the implementation from cse.c's hash_rtx.
5640 2006-09-12 Jan Hubicka <jh@suse.cz>
5642 PR rtl-optimization/28071
5643 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5644 (vect_transform_loop): Likewise.
5645 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5646 (new_loop_vec_info): Likewise.
5647 (destroy_loop_vec_info): Likewise.
5648 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5649 (create_stmt_ann): Likewise.
5650 (create_tree_ann): Rename to ...
5651 (create_tree_common_ann): ... this one; allocate only the common part
5653 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5654 (get_value_handle): Likewise.
5655 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5656 get_tree_common_ann.
5657 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5658 (vinfo_for_stmt): Use stmt annotations.
5659 * tree-flow.h (tree_ann_common_t): New type.
5660 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5661 (tree_ann, get_tree_ann, create_tree_ann): New.
5662 * tree-flow-inline.h (get_function_ann): Do more type checking.
5663 (stmt_ann): Likewise.
5664 (tree_ann): Rename to ...
5665 (tree_common_ann): ... this one; return ony common_ann
5666 (get_tree_ann): Rename to ...
5667 (tree_common_ann): This one; return only common_ann.
5668 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5671 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5673 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5674 with_cpu by default.
5676 * dwarf2out.c (dwarf_file_data): New.
5677 (enum dw_val_class): Add dw_val_class_file.
5678 (struct dw_val_struct): Add val_file.
5679 (file_table): Change to a hash table.
5680 (file_table_emitted): Delete.
5681 (file_table_last_lookup_index): Delete.
5682 (emitcount): Delete.
5683 (last_emitted_file): New.
5684 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5685 (init_file_table): Delete.
5686 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5687 (AT_addr): Add comment.
5691 (print_die): Handle dw_val_class_file.
5692 (print_dwarf_line_table): Update for new file table structure.
5693 (attr_checksum): Do checksum a filename.
5694 (same_dw_val_p, same_attr_p): Do compare a filename.
5695 (size_of_die): Handle dw_val_class_file.
5696 (value_format): Likewise.
5697 (output_die): Likewise. Also, call maybe_emit_file here.
5698 (struct file_info): Constify filenames. Make file_idx a pointer
5699 to a struct dwarf_file_data.
5700 (struct dir_info): Constify directory names. Remove 'used' field.
5701 (struct file_name_acquire_data): New.
5702 (file_name_acquire): New.
5703 (output_file_names): Modify to handle new file data structures.
5704 (add_src_coords_attributes): Use add_AT_file.
5705 (add_call_src_coords_attributes): Likewise.
5706 (dwarf2out_imported_module_or_decl): Likewise.
5707 (gen_subprogram_die): Modify for new file data structures.
5708 (gen_variable_die): Likewise.
5709 (file_table_eq): New.
5710 (file_table_hash): New.
5711 (file_table_last_lookup): New.
5712 (lookup_filename): Rewrite to handle new file data structures.
5713 (maybe_emit_file): Rewrite to handle new file data structures.
5714 (dwarf2out_source_line): Always call lookup_filename and
5716 (dwarf2out_init): Create file_table here.
5717 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5718 (file_table_relative_p): New.
5719 (dwarf2out_finish): Change detection of relative filenames
5720 to work with new file data structures. Move output_line_info call
5721 after debug_info output.
5723 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5728 * config/i386/i386.c (override_options): Always default to 16
5729 byte stack boundary.
5731 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5734 * var-tracking.c (dump_dataflow_set): Start dumping at
5736 (clobber_variable_part): Kill only the variable part in
5737 registers holding it, leaving other variables alone.
5739 2006-09-11 Josh Triplett <josh@freedesktop.org>
5741 * doc/extend.texi (Other Builtins): Actually use the macro
5742 argument in the documentation example for
5743 __builtin_types_compatible_p.
5745 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5747 PR rtl-optimization/28726
5748 * sched-deps.c (sched_analyze_reg): New function extracted from...
5749 (sched_analyze_1): ...here. Call it to analyze references to
5750 registers. Treat again writes to a stack register as writing to the
5752 (sched_analyze_2): ...and here. Call it to analyze references to
5753 registers. Treat again reads of a stack register as reading the
5756 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5757 David Edelsohn <edelsohn@gnu.org>
5760 * config/rs6000/spe.md (frob_df_di): Remove %H.
5761 (frob_di_df): Remove %H. Change evmergelo to mr.
5762 (frob_di_df_2): Remove %H. Change evldd to two loads.
5764 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5766 * doc/cpp.texi: Fix names of charset options.
5768 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5771 * config/i386/i386.c (override_options): Use 128-bit
5772 stack boundary always for 64bits.
5774 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5776 PR rtl-optimization/28636
5777 * combine.c (force_to_mode): Test for side-effects before
5778 substituting by zero.
5779 (simplify_shift_const): Likewise for zero or other constants.
5781 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5784 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5787 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5790 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5791 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5792 returned by mode_for_size, rather than the mode of src itself,
5793 to choose between 32-bit and 64-bit patterns.
5794 (mips_mem_fits_mode_p): New function.
5795 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5796 that the size of the source matches the size of the destination.
5797 (mov_<store>l, mov_<store>r): Likewise.
5799 2006-09-10 Eric Christopher <echristo@apple.com>
5801 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5804 2006-09-09 Eric Christopher <echristo@apple.com>
5807 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5810 2006-09-09 Roger Sayle <roger@eyesopen.com>
5811 Nicolas Setton <setton@adacore.com>
5813 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5815 2006-09-10 Andreas Schwab <schwab@suse.de>
5817 * config/m68k/m68k.md (bungt_rev): New pattern.
5819 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5820 Dale Johannesen <dalej@apple.com>
5823 * regclass.c (struct reg_pref): Update documentation.
5824 (regclass): Set prefclass to NO_REGS if memory is the best option.
5825 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5827 2006-09-08 Eric Christopher <echristo@apple.com>
5829 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5830 * config/t-slibgcc-darwin: Support x86_64 multilib.
5831 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5832 Return 1 for x86_64-darwin.
5833 * config/i386/t-darwin: Add m64 multilib.
5834 (LIB2_SIDITI_CONV_FUNCS): Use.
5835 (LIB2FUNCS_EXTRA): Ditto.
5836 * config/i386/darwin.h: Support x86_64.
5837 * config/i386/i386.c (override_options): Turn on flag_pic
5838 for x86_64-darwin. Disable flag_omit_pointer.
5839 (get_pc_thunk_name): Assert !TARGET_64BIT.
5840 (legitimate_address_p): Disable machopic addressing for
5842 (legitimize_pic_address): Ditto.
5843 (ix86_expand_move): Ditto.
5844 (ix86_expand_call): Ditto.
5845 (machopic_output_stub): Ditto.
5846 * config/darwin.c (machopic_select_section): Support literal16.
5847 (machopic_select_rtx_section): Ditto.
5848 * config/darwin-sections.def: Ditto.
5849 * config/darwin-64.c: New.
5851 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5854 * c-tree.h (struct c_arg_info): Add pending_sizes.
5855 * c-parser.c (c_parser_parms_declarator,
5856 c_parser_parms_list_declarator): Initialize pending_sizes.
5857 * c-decl.c (get_parm_info): Initialize pending_sizes.
5858 (get_parm_info): Set pending_sizes.
5859 (grokdeclarator): Call put_pending_sizes for parameters for
5860 function definition only.
5862 2006-09-07 Jason Merrill <jason@redhat.com>
5865 * varasm.c (output_constant): Only strip actual no-op conversions.
5868 * config/i386/i386.c (override_options): Use 128-bit
5869 stack boundary if -msse.
5871 2006-09-07 Eric Christopher <echristo@apple.com>
5873 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5875 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5878 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5880 * dwarf2out.c: Remove strange characters from comment above
5881 dwarf2out_frame_debug_expr.
5883 2006-09-07 Eric Christopher <echristo@apple.com>
5885 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5886 * config/darwin.h: ... to here.
5888 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5890 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5892 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5893 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5895 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5896 TARGET_PARTIAL_FLAG_REG_STALL.
5897 (*ashldi3_cconly_rex64): Likewise.
5898 (*ashlsi3_cmp): Likewise.
5899 (*ashlsi3_cconly): Likewise.
5900 (*ashlsi3_cmp_zext): Likewise.
5901 (*ashlhi3_cmp): Likewise.
5902 (*ashlhi3_cconly): Likewise.
5903 (*ashlqi3_cmp): Likewise.
5904 (*ashlqi3_cconly): Likewise.
5905 (*ashrdi3_cmp_rex64): Likewise.
5906 (*ashrdi3_cconly_rex64): Likewise.
5907 (*ashrsi3_cmp): Likewise.
5908 (*ashrsi3_cconly): Likewise.
5909 (*ashrsi3_cmp_zext): Likewise.
5910 (*ashrhi3_cmp): Likewise.
5911 (*ashrhi3_cconly): Likewise.
5912 (*ashrqi3_cmp): Likewise.
5913 (*ashrqi3_cconly): Likewise.
5914 (*lshrdi3_cmp_rex64): Likewise.
5915 (*lshrdi3_cconly_rex64): Likewise.
5916 (*lshrsi3_cmp): Likewise.
5917 (*lshrsi3_cconly): Likewise.
5918 (*lshrsi3_cmp_zext): Likewise.
5919 (*lshrhi3_cmp): Likewise.
5920 (*lshrhi3_cconly): Likewise.
5921 (*lshrqi2_cmp): Likewise.
5922 (*lshrqi2_cconly): Likewise.
5924 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5927 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5928 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5929 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5930 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5931 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5932 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5933 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5934 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5935 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5936 implement only CC setting effects of shift instructions.
5938 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5940 * doc/contrib.texi: Add myself.
5942 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5945 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5946 was set by the user.
5948 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5951 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5952 (divsi_inv_m1): Use them.
5953 (UNSPEC_DIV_INV_TABLE): New constant.
5955 2006-09-06 James E Wilson <wilson@specifix.com>
5958 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5959 then call count_or_remove_death_notes.
5961 2006-09-06 Jason Merrill <jason@redhat.com>
5964 * tree-inline.c (copy_result_decl_to_var): New fn.
5965 (declare_return_variable): Use it. Call declare_inline_vars here.
5966 (expand_call_inline): Not here.
5968 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5970 * doc/contrib.texi: Update my entry.
5972 2006-09-06 Nick Clifton <nickc@redhat.com>
5974 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5976 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5979 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5980 (canonicalize_induction_variables): Likewise.
5981 (tree_unroll_loops_completely): Likewise.
5982 (tree_ssa_prefetch_arrays): Likewise.
5983 (remove_empty_loops): Likewise.
5984 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5985 TODO_cleanup_cfg instead of directly calling
5986 cleanup_tree_cfg_loop.
5987 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5989 (tree_unroll_loops_completely): Likewise.
5990 (remove_empty_loops): Likewise.
5991 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5992 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5993 of tree_ssa_unswitch_loops.
5994 (tree_ssa_loop_ivcanon): Use the return value of
5995 canonicalize_induction_variables.
5996 (tree_ssa_empty_loop): Use the return value of
5998 (tree_complete_unroll): Use the return value of
5999 tree_unroll_loops_completely.
6000 (tree_ssa_loop_prefetch): Use the return value of
6001 tree_ssa_prefetch_arrays.
6002 * passes.c (execute_todo): Before Cleanup CFG, set
6003 updating_used_alone and after cleanup CFG, call
6004 recalculate_used_alone.
6006 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6009 * tree-vect-transform.c (vectorizable_condition): Move the check
6010 for the type after the check for simple condition.
6012 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
6013 Kaz Kojima <kkojima@gcc.gnu.org>
6016 * mode-switching.c (optimize_mode_switching): Make the destination
6017 block of an abnormal edge have no anticipatable mode. Don't
6018 insert mode switching code at the end of the source block of
6021 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
6023 PR rtl-optimization/26847
6024 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
6025 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
6026 (simplify_plus_minus): Count n_constants while filling ops. Replace
6027 qsort with insertion sort. Before going through the array to simplify
6028 pairs, sort it. Delay early exit until after the first sort, exiting
6029 only if no swaps occurred. Simplify pairs in reversed order, without
6030 special-casing the first iteration. Pack ops after simplifying pairs.
6032 2006-09-05 Anatoly Sokolov <aesok@post.ru>
6034 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
6035 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6036 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6037 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
6039 2006-09-05 Richard Guenther <rguenther@suse.de>
6041 PR tree-optimization/28900
6042 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
6043 compound conditional before creating COND_EXPR condition.
6045 2006-09-05 Richard Guenther <rguenther@suse.de>
6047 PR tree-optimization/28905
6048 * tree-vrp.c (fix_equivalence_set): Manually implement
6049 !value_ranges_intersect_p to also handle symbolic ranges.
6051 2006-09-05 Richard Guenther <rguenther@suse.de>
6054 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
6057 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6059 PR rtl-optimization/27616
6060 * cse.c (table_size): New static variable.
6061 (new_basic_block): Initialize it to 0.
6062 (remove_from_table): Decrement it.
6063 (insert): Increment it.
6064 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
6065 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
6066 fold_rtx_mem_1 if under the cap.
6067 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
6068 the lookup of the equivalent expression and test for equality of the
6069 first operand of the equivalent expression before in turn looking up
6070 an equivalent constant for the second operand.
6072 2006-09-02 Geoffrey Keating <geoffk@apple.com>
6075 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6076 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6077 pointer, instead of assuming it is possible to derive the
6078 correct args size from a call insn.
6080 2006-09-02 Jakub Jelinek <jakub@redhat.com>
6083 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
6084 (fold_builtin_mempcpy): Rename to...
6085 (fold_builtin_memory_op): ... this. Optimize one element copy
6087 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
6089 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
6090 (expand_builtin_memcpy, expand_builtin_mempcpy,
6091 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
6092 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
6093 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
6094 BUILT_IN_MEM{CPY,PCPY,MOVE}.
6096 2006-09-01 DJ Delorie <dj@redhat.com>
6098 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
6099 (stzx_16): Likewise.
6100 ("stzx_24_<mode>"): Likewise.
6101 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
6102 ("cmp<mode>_op"): New.
6103 (cmp<mode>): Change to expander; just save operands.
6105 (b<code>): Change to expander, emit compare here.
6106 (s<code>_op): Change to use split and expander.
6107 (s<code>_24_op): Likewise.
6108 (s<code>_<mode>): New.
6109 (s<code>_<mode>_24): New.
6110 (movqicc_<code>_<mode): New.
6111 (movhicc_<code>_<mode>): New.
6114 * config/m32c/m32c.c (compare_op0, compare_op1): New.
6115 (m32c_pend_compare): New.
6116 (m32c_unpend_compare): New.
6117 (m32c_expand_scc): New.
6118 (m32c_expand_movcc): Emit the compare also.
6119 * config/m32c/predicates.md (mra_nopp_operand): New.
6121 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
6122 Richard Guenther <rguenther@suse.de>
6123 Adam Nemet <anemet@caviumnetworks.com>
6126 * builtins.c (get_pointer_alignment): Handle more forms
6127 of base addresses that can be used to derive more precise
6128 information about alignment.
6130 2006-09-01 Jason Merrill <jason@redhat.com>
6133 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
6136 * gimplify.c (voidify_wrapper_expr): Handle null type.
6138 2006-09-01 Josh Conner <jconner@apple.com>
6141 * tree-nrv.c (dest_safe_for_nrv_p): New function.
6142 (execute_return_slot_opt): Use it.
6144 2006-08-31 Josh Conner <jconner@apple.com>
6147 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
6148 returning aggregates.
6150 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
6152 PR tree-optimization/28839
6153 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
6154 blocks in that phi arguments appear.
6156 2006-08-31 Roger Sayle <roger@eyesopen.com>
6159 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
6160 NULL, otherwise use an advance_loc4 to adjust relative to the
6162 (output_cfi) <DW_CFA_set_loc>: Update the current label.
6163 (dwarf2out_switch_text_section): Reset the current label to avoid
6164 using advance_loc4 over section boundaries.
6166 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
6169 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
6170 r12 + SYMBOLIC_CONST.
6172 2006-08-30 Richard Guenther <rguenther@suse.de>
6174 * Makefile.in (see.o): Add $(EXPR_H) dependency.
6176 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
6178 PR rtl-optimization/27735
6179 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
6180 Add new argument to keep track of whether an irreducible region
6181 was affected. All callers changed.
6182 (fix_irreducible_loops): Removed.
6183 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
6184 flags were invalidated.
6186 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
6188 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
6189 instead of SF operands.
6190 (*fop_df_comm_sse): Likewise.
6191 (*fop_df_comm_i387): Likewise.
6192 (*fop_df_1_mixed): Likewise.
6193 (*fop_df_1_sse): Likewise.
6195 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6196 J"orn Rennecke <joern.rennecke@st.com>
6198 PR tree-optimization/17506
6199 * tree-ssa.c (warn_uninit): If warning about a location outside of
6200 the current function, note where the variable was declared.
6202 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
6204 PR tree-optimization/28411
6205 * double-int.c (double_int_div): Use double_int_divmod.
6206 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
6207 double_int_mod, double_int_smod, double_int_umod): New functions.
6208 * double-int.h (double_int_divmod, double_int_sdivmod,
6209 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
6211 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
6213 (get_computation_aff, get_computation_cost_at): Handle double_int
6214 return type of constant_multiple_of.
6216 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
6219 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
6220 an implicit conversion.
6222 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
6224 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
6226 2006-08-27 Roger Sayle <roger@eyesopen.com>
6228 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
6231 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
6233 * config/i386/crtfastmath.c: Fix a comment typo.
6235 2006-08-26 Roger Sayle <roger@eyesopen.com>
6237 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
6238 temporary visit flags on CASE_LABEL_EXPRs.
6239 * c-common.c (match_case_to_enum): Add function comment. Avoid
6240 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
6241 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
6242 CASE_HIGH_SEEN for enumerated types. If the switch expression is
6243 a constant, only warn if that constant value isn't handled.
6245 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
6248 * input.h (restore_input_file_stack): Declare.
6249 (INPUT_FILE_STACK_BITS): Define.
6250 * toplev.c (fs_p, input_file_stack_history,
6251 input_file_stack_restored, restore_input_file_stack): New.
6252 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
6253 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
6254 (pop_srcloc): Don't free old state of stack.
6256 2006-08-26 David Edelsohn <edelsohn@gnu.org>
6259 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
6260 (PowerPC Type Attributes): New.
6262 2006-08-26 Bob Wilson <bob.wilson@acm.org>
6264 * config/xtensa/xtensa.c (function_arg_boundary): New.
6265 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
6267 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
6268 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
6270 2006-08-26 Jakub Jelinek <jakub@redhat.com>
6273 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
6276 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6278 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
6279 (verify_local_live_at_start): Likewise.
6281 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6284 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
6285 omp_add_variable): Treat sizes as variable whenever not
6288 2006-08-26 Richard Guenther <rguenther@suse.de>
6291 * fold-const.c (fold_binary): Fold temporary to correct
6292 type before constructing new comparison.
6294 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
6297 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
6298 variable again if DECL_SEEN_IN_BIND_EXPR_P.
6300 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6303 * c-decl.c (start_function): Don't try to process prototype
6304 information from old declaration that isn't a function.
6306 2006-08-25 Jan Hubicka <jh@suse.cz>
6309 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
6311 2006-08-25 Alan Modra <amodra@bigpond.net.au>
6314 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
6317 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
6319 PR tree-optimization/16876
6320 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
6321 exit if PARM doesn't match VALUE.
6323 2006-08-25 Bob Wilson <bob.wilson@acm.org>
6325 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
6326 literal_prefix directive.
6327 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
6328 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6329 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6331 2006-08-25 David Edelsohn <edelsohn@gnu.org>
6334 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
6335 predicate to general_operand. Add 0->y and I->r alternatives.
6337 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
6339 * doc/tm.texi: Fix a typo.
6340 * predict.c: Fix comment typos.
6342 2006-08-25 Nick Clifton <nickc@redhat.com>
6344 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
6345 assertions of "cpu" and "machine".
6347 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
6350 * tree-ssa-operands.c (access_can_touch_variable): Don't say
6351 the access through a base which has an alias set of 0 cannot
6354 2006-08-24 Bill Wendling <wendling@apple.com>
6356 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
6358 2006-08-24 Jan Hubicka <jh@suse.cz>
6360 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
6362 2006-08-24 Jan Hubicka <jh@suse.cz>
6365 * cgraph.c: Fix comments.
6366 (cgraph_varpool_mark_needed_node): Mark only variables not already
6368 * cgraphunit.c: Update comments; include gt-cgraphunit.h
6369 (cgraph_varpool_assembled_nodes_queue): New static variable.
6370 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
6371 (cgraph_varpool_output_debug_info): New function.
6372 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
6373 * Makefile.in: Add gt-cgraphunit.h
6375 2006-08-24 Jan Hubicka <jh@suse.cz>
6377 * predict.c (probability_reliable_p): New predicate.
6378 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
6379 (predict_loops): Do not predict loop exit with less than 2%
6381 * basic-block.h (edge_probability_reliable_p,
6382 br_prob_note_reliable_p): Declare.
6383 * ia64.h (ia64_print_operand): Do not disable on-chip branch
6384 prediction when static predictor is not reliable.
6385 * rs6000.c (output_cbranch): Likewise.
6387 2006-08-23 Stuart Hastings <stuart@apple.com>
6390 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
6391 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
6393 2006-08-21 Geoffrey Keating <geoffk@apple.com>
6396 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
6397 complex values, nor for generic vector values.
6399 2006-08-22 Richard Guenther <rguenther@suse.de>
6402 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
6403 parameter. Convert arguments to arithmetic expression to the
6405 (analyze_scalar_evolution_1): Adjust caller.
6407 2006-08-22 Jan Hubicka <jh@suse.cz>
6409 Patch by Paolo Bonzini
6410 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
6413 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
6415 PR tree-optimization/28003
6416 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
6417 before grouping aliases.
6419 2006-08-22 Roger Sayle <roger@eyesopen.com>
6421 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
6422 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
6424 2006-08-21 Jason Merrill <jason@redhat.com>
6427 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
6428 wrapper. Loop to handle nested wrappers.
6429 (gimplify_bind_expr): Remove temp parameter.
6430 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
6431 and STATEMENT_LIST on the rhs.
6432 (gimplify_statement_list): Voidify the STATEMENT_LIST.
6433 (gimplify_expr): Pass pre_p to gimplify_statement_list.
6434 (gimplify_target_expr): Remove special BIND_EXPR handling.
6436 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
6438 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
6441 2006-08-21 Olivier Hainque <hainque@adacore.com>
6443 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
6444 Arrange for the temporary captures of components overlapping the lhs
6445 to happen before the lhs is possibly cleared.
6447 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
6449 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
6450 necessary places to pass the correct "number of registers" values
6453 2006-08-20 Jan Hubicka <jh@suse.cz>
6455 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
6456 (create_name_tags): Instead of quadratic checking use hashtable.
6457 * bitmap.h: Include hashtab.h.
6458 (bitmap_hash): Declare.
6459 * bitmap.c (bitmap_hash): New function.
6461 2006-08-20 Jan Hubicka <jh@suse.cz>
6463 PR rtl-optimization/28071
6464 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6466 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6467 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6468 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6469 cgraph_decide_inlining_incrementally): Update use of
6470 cgraph_check_inline_limits.
6471 * cgraph.c (edge_hash, edge_eq): New function.
6472 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6473 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6474 cgraph_remove_node): Maintain call site hash.
6475 * cgraph.h (struct cgraph_node): Add call_site_hash.
6476 (cgraph_set_call_stmt): New function.
6478 2006-08-20 Jan Hubicka <jh@suse.cz>
6480 PR rtl-optimization/28071
6481 * reload1.c (reg_has_output_reload): Turn into regset.
6482 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6483 choose_reload_regs, emit_reload_insns): Update to new
6484 reg_has_output_reload.
6486 2006-08-20 Jan Hubicka <jh@suse.cz>
6489 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6490 function body sizes.
6491 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6493 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6496 * tree.c (handle_dll_attribute): Return early if not a
6497 var or function decl.
6499 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6502 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6503 alignment of SPE vector types.
6505 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6507 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6509 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6512 * cgraph.h (struct cgraph_node): Remove externally_visible
6514 * cgraphunit.c (process_function_and_variable_attributes): Set
6515 local.externally_visible rather than externally_visible.
6518 * c-common.c (handle_externally_visible_attribute): First look
6519 at TREE_CODE and only if it is function or var decl, check for
6520 non-public objects. Don't warn for DECL_EXTERNAL.
6521 * cgraphunit.c (process_function_and_variable_attributes): Warn
6522 if externally_visible attribute is used on non-public object.
6524 2006-08-17 Jan Hubicka <jh@suse.cz>
6526 PR tree-optimization/27865
6527 * reload1.c (forget_marked_reloads): New function.
6528 (forget_old_reloads_1): When data are passed, just mark the registers
6530 (reload_as_needed): Use the new mechanizm.
6532 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6535 * reload.h (reg_equiv_alt_mem_list): New declaration.
6536 * reload1.c (reg_equiv_alt_mem_list): New definition.
6537 (reload): Initialize it and release it.
6538 (delete_output_reload): Use it.
6539 * reload.c (push_reg_equiv_alt_mem): New function.
6540 (find_reloads_toplev): Call it.
6541 (find_reloads_address, find_reloads_address_1): Likewise.
6542 (find_reloads_subreg_address): Likewise.
6544 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6546 PR rtl-optimization/28489
6547 * sched-ebb.c (begin_schedule_ready): Create basic block
6549 (advance_target_bb): Skip empty blocks.
6550 * haifa-sched.c (bb_note): Make global.
6551 * sched-int.h (bb_note): Add prototype.
6553 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6555 PR tree-optimization/27865
6556 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6558 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6559 fold_used_pointer, pointer_used_p): New functions.
6560 (analyze_scalar_evolution_1): Use fold_used_pointer.
6561 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6562 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6565 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6568 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6569 or the INTEGER_CST. Fail on a CALL_EXPR.
6570 (fold_offsetof): Pass new argument to fold_offsetof_1.
6571 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6572 operand into an INDIRECT_REF.
6573 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6575 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6577 PR gcov/profile/26570
6578 * value-prof.c (static_values): Removed.
6579 (tree_find_values_to_profile): Do not set static_values.
6580 (find_values_to_profile): Do not free static_values.
6581 * profile.c (instrument_values): Do not free the values.
6582 (branch_prob): Free the values.
6584 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6586 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6588 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6591 * c-typeck.c (build_component_ref): Combine qualifiers of
6592 structure or union and field.
6594 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6596 PR rtl-optimization/28071
6597 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6598 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6599 * tree-into-ssa.c (struct dom_dfsnum): New.
6600 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6602 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6603 compute_global_livein.
6604 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6605 in phi nodes in the correct blocks.
6607 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6609 PR tree-optimization/28364
6610 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6612 (fold_affine_expr): New function.
6613 (may_eliminate_iv): Use fold_affine_expr.
6615 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6618 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6621 2006-08-16 Mike Stump <mrs@apple.com>
6623 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6624 * doc/cppopts.texi (-MD): Likewise.
6626 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6629 * c-common.c (handle_weak_attribute): Ignore and warn if
6630 not a FUNCTION_ or VAR_DECL.
6632 2006-07-15 Mike Stump <mrs@apple.com>
6635 * c-parser.c (c_parser_typeof_specifier): Don't use
6636 c_finish_expr_stmt, open code desired semantics instead.
6638 2006-08-15 Nick Clifton <nickc@redhat.com>
6640 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6641 fragment to tmake_file only if threads are enabled.
6642 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6643 * config/i386/t-gthr-win32: New file. ... here.
6645 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6648 * c-parser.c (c_parser_compound_statement_nostart): Reset
6649 parser->error after each statement.
6651 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6654 * omp-low.c (lower_omp_parallel): Convert t to
6655 receiver_decl's type.
6656 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6657 source before comparison.
6660 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6661 to itype in assignment to oldival2.
6663 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6667 * c-typeck.c (build_compound_expr): If the second expression
6668 is an error mark, then just return an error mark instead of
6669 creating a COMPOUND_EXPR.
6671 2006-07-14 Mike Stump <mrs@apple.com>
6673 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6675 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6677 * c-decl.c, var-tracking.c: Fix comment typos.
6679 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6681 PR rtl-optimization/28634
6682 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6683 for floating-point modes unless flag_unsafe_math_optimizations.
6685 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6686 Andrew Pinski <pinskia@physics.uc.edu>
6689 * tree.c (build_array_type): Unify array types with
6690 unspecified index_type.
6691 * c-decl.c (grokdeclarator): Make sure we do not modify a
6692 unified incomplete array type.
6693 * c-typeck.c (store_init_value): Create distinct type before
6694 filling in the index type in an initializer from a compound
6697 * c-decl.c (grokdeclarator): Remove code where we copy the
6700 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6702 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6703 into account for TODO_dump_cgraph.
6704 (TODO_update_ssa_no_phi): Likewise.
6705 (TODO_update_ssa_full_phi): Likewise.
6706 (TODO_update_ssa_only_virtuals): Likewise.
6707 (TODO_remove_unused_locals): Likewise.
6708 (TODO_set_props): Likewise.
6709 (TODO_update_stmt_usage): Likewise.
6711 2006-08-13 Dirk Mueller <dmueller@suse.de>
6713 * c-common.c (strict_aliasing_warning): Fix formatting.
6715 2006-08-13 Matthias Klose <doko@debian.org>
6717 * doc/invoke.texi: Fix spelling errors.
6719 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6721 PR rtl-optimization/23454
6722 * reorg.c (relax_delay_slots): Update comment.
6724 2006-08-11 Richard Guenther <rguenther@suse.de>
6727 * simplify-rtx.c (simplify_const_relational_operation):
6728 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6731 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6733 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6734 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6736 2006-08-10 Paul Brook <paul@codesourcery.com>
6738 * final.c (final_scan_insn): Clear current_insn_predicate before
6739 outputting inline asm.
6741 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6743 PR tree-optimization/26197
6744 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6745 get_ref_base_and_extent and overlap_subvar to add only relevant
6746 subvars as may-aliases.
6747 (add_may_alias_for_new_tag): New function, factored out of
6749 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6750 with additional argument.
6751 * tree-flow.h (new_type_alias): Takes additional argument.
6753 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6755 * gcov.c (no_data_file): New flag.
6756 (read_count_file): Set it if data file not present. Assume counts
6758 (output_lines): Don't name the data file, if there wasn't one.
6760 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6762 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6763 (rs6000_generate_compare): Tweak comments.
6764 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6766 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6768 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6769 (var_debug_decl): New function.
6770 (var_reg_set): Follow debug decl link. Add location even if
6771 reg is already known to hold some other variable.
6772 (var_mem_set): Follow debug decl link.
6773 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6774 decl link. Delete other known locations of the variable part
6776 (var_reg_delete, var_mem_delete): Delete other known locations
6777 of the variable part if requested.
6778 (same_variable_part_p): New function.
6779 (add_stores): Select MO_COPY when appropriate.
6780 (vt_initialize): Handle it.
6781 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6782 known locations for MO_SET and MO_CLOBBER.
6783 (find_variable_location_part): New function.
6784 (set_variable_part, delete_variable_part): Use it.
6785 (clobber_variable_part): New function.
6786 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6789 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6791 PR tree-optimization/26969
6792 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6793 with an empty list of PHIs.
6795 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6799 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6802 2006-08-06 Andreas Schwab <schwab@suse.de>
6804 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6805 string. Whitespace and comment fixup.
6807 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6810 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6814 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6817 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6819 2006-08-04 Jan Hubicka <jh@suse.cz>
6823 * reload.c (push_reload): Patch out the mismatching instruction;
6825 (find_reload): Bail out if the instruction was patched out.
6827 2006-08-04 Jan Hubicka <jh@suse.cz>
6829 PR tree-optimization/24888
6830 * tree-inline.c (expand_call_inline): Do not re-record variables.
6831 (declare_inline_vars): Add variable to unexpanded_var_list.
6833 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6834 Roger Sayle <roger@eyesopen.com>
6836 PR rtl-optimization/26244
6837 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6838 inner_const are negative or greater than or equal to the bitsize of
6839 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6840 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6841 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6842 CONST0_RTX (mode) when the new shift count is greater than or equal to
6843 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6846 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6848 * tree-cfg.c: Fix a comment typo.
6850 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6853 * varasm.c (output_constant): Give the front end another chance to
6854 expand constants, after stripping NOPs.
6856 2006-08-03 Jan Hubicka <jh@suse.cz>
6858 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6861 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6863 PR tree-optimization/27770
6864 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6865 declaration removed (moved to tree-flow.h).
6866 (vect_can_force_dr_alignment_p): Likewise.
6867 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6868 (moved from tree-vectorizer.h).
6869 (vect_can_force_dr_alignment_p): Likewise.
6870 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6871 from outside the vectorizer - in particular from cgraph stage.
6872 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6873 the alignment of global arrays when -fsection-anchors is enabled.
6874 * cgraphunit.c (cgraph_increase_alignment): New function.
6875 (cgraph_optimize): Call cgraph_increase_alignment.
6877 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6880 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6881 not reload a SPE symbol_ref into a lo_sum address.
6883 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6886 * dwarf2out.c (prune_unused_types_prune): Move call to
6887 prune_unused_types_update_strings to cover the parent DIE also.
6889 2006-08-02 Jan Hubicka <jh@suse.cz>
6891 PR gcov/profile/28480
6892 * tree-cfg.c (change_bb_for_stmt): New function.
6893 (tree_merge_blocks, tree_split_blocks): Use it.
6895 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6901 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6902 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6903 (cgraph_optimize): Likewise.
6905 2006-08-01 Stuart Hastings <stuart@apple.com>
6907 * rtl.h (UINTVAL) New.
6908 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6909 * testsuite/gcc.dg/20060801-1.c: New.
6911 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6914 * c-typeck.c (build_external_type): Mark used enum types.
6915 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6917 (gen_subprogram_die): Whitespace fix.
6919 2006-08-01 Jan Hubicka <jh@suse.cz>
6921 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6922 bitmap when not needed.
6923 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6926 2006-08-01 Dirk Mueller <dmueller@suse.de>
6928 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6930 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6932 * Makefile.in: Revert part of previous patch:
6933 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6936 2006-07-30 Eric Christopher <echristo@apple.com>
6939 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6940 (PowerPC Variable Attributes): New section.
6942 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6944 PR target/28126 (partial fix)
6945 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6947 2006-07-28 Jan Hubicka <jh@suse.cz>
6949 PR rtl-optimization/28071
6950 * cfgrtl.c (rtl_delete_block): Free regsets.
6951 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6953 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6955 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6956 and variables used in dependencies.
6958 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6960 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6961 %fs for -mcmodel=kernel.
6962 (stack_tls_protect_test_di): Likewise.
6964 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6966 * Makefile.in: Use mkinstalldirs.
6968 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6971 * opts-common.c (prune_options): Skip joined switches.
6973 2006-07-27 Jan Hubicka <jh@suse.cz>
6975 PR rtl-optimization/28071
6976 * cselib.c (cselib_process_insn): Don't remove useless values too
6977 often for very large hashtables.
6979 2006-07-27 Jan Hubicka <jh@suse.cz>
6981 PR rtl-optimization/28071
6982 * global.c (greg_obstack): New obstack.
6983 (allocate_bb_info): Use it.
6984 (free_bb_info): Likewise.
6985 (modify_reg_pav): Likewise.
6987 2006-07-27 Roger Sayle <roger@eyesopen.com>
6989 * builtins.c (fold_fixed_mathfn): When long and long long are the
6990 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6991 functions to their lceil*, lfloor*, lround* and lrint* forms.
6993 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6996 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6998 (rev_branch_insn): Likewise.
7000 2006-07-27 Jan Hubicka <jh@suse.cz>
7002 PR rtl-optimization/28071
7003 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
7004 (reg_set_in_bb, max_reg_computed): New static variables.
7005 (regmove_optimize): Free the new array.
7006 (fixup_match_1): Update call of reg_is_remote_constant_p.
7008 2006-07-26 Jan Hubicka <jh@suse.cz>
7010 PR tree-optimization/27882
7011 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
7013 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
7015 (cgraph_analyze_compilation_unit): Likewise.
7016 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
7017 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
7018 (cgraph_early_inlinine): Make order garbage collected.
7019 * Makefile.in (gt-ipa-inline): New garbagecollected file.
7021 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
7023 * dbxout.c (output_types_sort): Add a comment.
7024 (output_used_types): Free the VEC.
7026 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
7028 * function.c (reorder_fix_fragments): Delete.
7029 (reorder_blocks): Don't call it.
7030 (reorder_blocks_1): Put all subblocks under the origin block.
7032 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
7034 PR rtl-optimization/27907
7035 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
7038 2006-07-25 Roger Sayle <roger@eyesopen.com>
7041 * convert.c (convert_to_integer): When transforming (T)foo(x) into
7042 bar(x) check that bar's result type can represent all the values of T.
7044 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
7046 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
7048 2006-07-25 Nick Clifton <nickc@redhat.com>
7050 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
7051 size_lookup[] array.
7052 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
7053 (ggc_pch_count_object): Likewise.
7054 (ggc_pch_alloc_object): Likewise.
7055 (ggc_pch_write_object): Likewise.
7056 (init_ggc): Do not attempt to initialize entries in the
7057 size_lookup[] array for objects whose size is greater than than
7058 the length of the array.
7060 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
7062 * dbxout.c (output_used_types_helper): Push queued types
7064 (output_types_sort): New.
7065 (output_used_types): Collect used types on a VEC and sort them
7068 2006-07-24 Richard Guenther <rguenther@suse.de>
7071 * cgraph.c (cgraph_remove_node): Do not check if dumps
7073 * cgraphunit.c (cgraph_optimize): Likewise.
7075 2006-07-24 Jan Hubicka <jh@suse.cz>
7077 PR rtl-optimization/28071
7078 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
7079 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
7080 splitting before first stmt.
7082 2006-07-24 Jan Hubicka <jh@suse.cz>
7084 PR rtl-optimization/28071
7085 * ipa-inline.c (update_caller_keys): Remove edges that
7086 are no longer inline candidates.
7088 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
7091 * dbxout.c (output_used_types_helper, output_used_types): New.
7092 (dbxout_symbol): Call output_used_types.
7094 2006-07-23 Jan Hubicka <jh@suse.cz>
7098 * cgraph.c (cgraph_varpool_nodes): Export.
7099 (decide_is_variable_needed): Ignored "used" attribute in
7100 unit-at-a-time mode.
7101 * cgraph.h (cgraph_varpool_nodes): Declare.
7102 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
7103 unit-at-a-time mode.
7105 2006-07-23 Roger Sayle <roger@eyesopen.com>
7108 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
7109 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
7110 the __gthrw form of thr_keycreate.
7111 (__gthread_key_delete): Silence the unused argument warning.
7113 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
7116 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
7117 Cache the last found '\0' marker to avoid quadratic behavior.
7119 2006-07-23 Jan Hubicka <jh@suse.cz>
7121 * i386.md (subsi_3_zext): Fix output template.
7123 2006-07-21 Mike Stump <mrs@apple.com>
7125 * doc/invoke.texi (C++ Dialect Options): Note that
7126 -fvisibility-inlines-hidden doesn't affect explicitly
7127 instantiationed inline methods.
7129 2006-07-20 Roger Sayle <roger@eyesopen.com>
7131 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
7132 if the target assembler is GNU binutils' gas.
7133 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
7134 whether to pass GNU gas or native as command line options.
7136 2006-07-20 Jason Merrill <jason@redhat.com>
7138 * tree.c (remove_attribute): New fn.
7139 * tree.h: Declare it.
7141 2006-07-20 Paul Brook <paul@codesourcery.com>
7144 * cse.c (cse_insn): Add destination addresses to hash table. Check if
7145 they are invalidated by this instruction.
7147 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
7150 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
7152 2006-07-20 Eric Christopher <echristo@apple.com>
7155 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
7157 2006-07-19 Eric Christopher <echristo@apple.com>
7159 * config/t-slibgcc-darwin (stmp-lipo): Remove.
7160 Rewrite dependencies for libgcc_s.1.dylib.
7162 2006-07-19 Jakub Jelinek <jakub@redhat.com>
7164 * except.c (duplicate_eh_regions_1): Clear next_peer.
7166 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
7168 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
7169 -mlongcall does not guarantee all calls will be long.
7170 * doc/extend.texi (long_call/short_call): Document that longcall
7171 does not guarantee a long call will be used.
7172 (longcall/shortcall): Likewise.
7174 2006-07-18 Roger Sayle <roger@eyesopen.com>
7177 * expmed.c (expand_shift): Additionally check that the shift_cost
7178 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
7179 before implementing a LSHIFT_EXPR as a sequence of additions.
7180 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
7181 middle-end that DImode shifts need to be synthesized by expand.
7183 2006-07-18 Diego Novillo <dnovillo@redhat.com>
7186 * tree-ssa-operands.c (access_can_touch_variable): Update
7188 Return true if ALIAS is .GLOBAL_VAR.
7190 2006-07-18 David Daney <ddaney@avtrex.com>
7192 * gcc.c (display_help): Fix typo in help text.
7194 2006-07-18 Olivier Hainque <hainque@adacore.com>
7196 * tree.h (categorize_ctor_elements): Adjust prototype and add
7197 descriptive comment, both in accordance with the interface change
7199 * varasm.c (constructor_static_from_elts_p): New function.
7200 Whether a constructor node is a valid static constant initializer
7201 if all its elements are.
7202 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
7203 * output.h: Declare it.
7204 * expr.c (categorize_ctor_elements_1): Return whether the constructor
7205 is a valid constant initializer instead of computing the number of
7206 non-constant elements. Use constructor_static_from_elts_p for this
7207 purpose. Replace the head comment with an indication that this is a
7208 helper for categorize_ctor_elements.
7209 (categorize_ctor_elements): Same interface change as for the _1
7210 helper. Former head comment from this helper moved here, adjusted to
7211 account for the interface changes.
7212 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
7213 (all_zeros_p): Likewise.
7214 * gimplify.c (gimplify_init_constructor): Decide whether we can make
7215 static versions of the constructor from the categorize_ctor_elements
7216 return value instead of the formerly computed number of non-constant
7219 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
7221 * configure: Regenerate.
7222 * Makefile.in (build_libsubdir): New configure substitution
7223 (build_libobjdir): New variable.
7224 (BUILD_LIBIBERTY): Use it.
7226 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7229 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
7231 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
7234 * c-common.c (handle_weakref_attribute): Ignore attribute in
7235 the same conditions the alias attribute is ignored.
7237 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
7239 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
7240 (dbxout_begin_prologue): Increment scope_labelno.
7242 2006-07-17 Richard Henderson <rth@redhat.com>
7245 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
7248 2006-07-17 Roger Sayle <roger@eyesopen.com>
7249 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7251 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
7252 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
7253 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
7254 functions such as sbrk, write, etc.. Add function prototypes.
7255 Convert function declarations from K&R to ISO C. Cast pointers
7256 to "long" and "unsigned long" instead of "int" and "unsigned int".
7257 Convert tokens following #endif into comments.
7259 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
7261 * invoke.texi: Remove mention of f77; Reformat table for
7262 inline parameter options correctly; mention that -malign-double
7263 is default on x86-64 targets.
7265 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
7267 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
7268 (convert_affine_scev, chrec_convert_aggressive): Use
7269 avoid_arithmetics_in_type_p. Do not check for the subtypes
7272 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7275 * optabs.c (expand_doubleword_shift): Wrap the call to
7276 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
7278 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7281 * optabs.c (expand_binop): Pass next_methods rather than methods
7282 to expand_doubleword_shift.
7284 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
7287 * tree.h (dump_addr): Declare.
7288 * print-tree.c (dump_addr): New function.
7289 (print_node_brief, print_node): Use it.
7290 * print-rtl.c (print_rtx): Likewise.
7291 * common.opt (-fdump-noaddr): New option.
7292 * doc/invoke.texi (-fdump-noaddr): Document.
7293 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
7294 (ve_info_hash): Likewise.
7296 2006-07-13 Andrew Haley <aph@redhat.com>
7298 PR tree-optimization/19505
7299 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
7300 edge leaving this block, make sure that the destination of this
7301 block has only one predecessor.
7303 2006-07-17 Richard Guenther <rguenther@suse.de>
7305 PR tree-optimization/28238
7306 * tree-inline.c (copy_bb): Check if we produced valid
7307 gimple copying and substituting a stmt. If not, gimplify
7310 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
7312 * optabs.c (maybe_encapsulate_block): New function extracted from...
7313 (emit_libcall_block): ...here. Invoke it on the block of insns to
7314 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
7315 (emit_no_conflict_block): Likewise.
7317 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7319 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
7321 2006-07-15 Roger Sayle <roger@eyesopen.com>
7323 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
7324 a new NOP_EXPR case of the switch statement.
7326 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
7329 * stor-layout.c (place_field): Take the bit field with
7330 an excessive size into account in the ms-bitfiled case.
7333 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
7334 the previous bit field.
7336 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
7339 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
7341 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7343 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
7344 signal frames correctly even when the signal was installed with
7347 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
7349 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
7350 (dbxout_function_end): Use local label LFBB. Remove hook
7352 (dbxout_source_line): Use local label LFBB.
7353 (dbxout_block): Likewise.
7354 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
7355 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
7356 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
7357 and DBX_OUTPUT_NFUN.
7359 2006-07-13 Janis Johnson <janis187@us.ibm.com>
7361 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
7363 2006-07-13 Jan Hubicka <jh@suse.cz>
7365 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
7367 * output.h (align_variable): Declare.
7368 * varasm.c (align_variable): Export.
7369 * value-prof.c (tree_value_profile_transformations): Recompute iterator
7370 when basic block changed.
7372 2006-07-13 Nick Clifton <nickc@redhat.com>
7374 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
7375 walking the LOG_LINKS chain.
7377 2006-07-12 Geoffrey Keating <geoffk@apple.com>
7379 * doc/invoke.texi (C++ Dialect Options): Explain difference
7380 between -fvisibility-inlines-hidden and setting hidden
7381 visibility explicitly.
7383 2006-07-12 Eric Christopher <echristo@apple.com>
7385 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
7386 (stmp-lipo): Depend on libgcc.a.
7388 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
7390 * tree.c: Fix a comment typo.
7392 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
7394 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
7396 (umulhisi3_r): Likewise.
7398 2006-07-12 Paolo Carlini <pcarlini@suse.de>
7401 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
7402 x < 19, vs wchar_t support.
7404 2006-07-12 Nick Clifton <nickc@redhat.com>
7406 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
7407 instead of -isa=sh4.
7409 2006-07-12 Mike Stump <mrs@apple.com>
7411 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
7413 2006-07-10 Eric Christopher <echristo@apple.com>
7415 * config/t-slibgcc-darwin: Rewrite.
7417 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
7420 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
7423 2006-07-08 Matthias Klose <doko@debian.org>
7425 * doc/sourcebuild.texi: Fix typo.
7427 2006-07-07 Mike Stump <mrs@apple.com>
7429 * toplev.c (process_options): Don't give -ffunction-sections may
7430 affect debugging warning for Mach-O.
7432 2006-07-07 James E Wilson <wilson@specifix.com>
7434 * config/mips/mips.md (cpu): Add sb1a.
7435 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
7436 addition to sb1. Adjust comments to clarify SB-1A differences from
7438 (ir_sb1a_load): New. Modify bypasses to use it.
7439 (ir_sb1a_simple_alu): Likewise.
7440 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
7441 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
7442 (mips_issue_rate): Add PROCESSOR_SB1A.
7443 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
7444 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
7445 (TARGET_SB1): Add PROCESSOR_SB1A check.
7446 (TUNE_SB1): Likewise.
7448 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
7449 * config/mips/mips.c (mips_store_data_bypass_p): New.
7450 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
7451 store_data_bypass_p.
7453 2006-07-08 Paul Brook <paul@codesourcery.com>
7456 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
7458 2006-07-07 Richard Guenther <rguenther@suse.de>
7461 * tree.h (build_one_cst): Declare.
7462 * tree.c (build_one_cst): New function.
7463 * tree-ssa-math-opts.c (get_constant_one): Remove.
7464 (insert_reciprocals): Use build_one_cst.
7465 * fold-const.c (fold_plusminus_mult): Likewise.
7467 2006-07-07 Roger Sayle <roger@eyesopen.com>
7469 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7470 * cfgloopanal.c (dump_graph): Likewise.
7471 * dojump.c (discard_pending_stack_adjust): Likewise.
7472 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7474 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7475 * function.c (finalize_block_changes): Likewise.
7476 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7477 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7478 * rtl.c (dump_rtx_statistics): Likewise.
7479 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7481 * varray.c (dump_varray_statistics): Likewise.
7482 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7483 decode_decimal64, encode_decimal128, decode_decimal128,
7484 decimal_real_to_decimal): Likewise.
7486 2006-07-07 Richard Guenther <rguenther@suse.de>
7488 PR tree-optimization/28187
7489 * tree-vrp.c (vrp_operand_equal_p): New function.
7490 (vrp_bitmap_equal_p): Likewise.
7491 (update_value_range): Use them to compare old and new
7494 2006-07-06 Roger Sayle <roger@eyesopen.com>
7496 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7497 a default case to switch statement to silence compiler warnings.
7499 2006-07-06 Roger Sayle <roger@eyesopen.com>
7502 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7503 the configured assembler supports the x87's ffreep mnemonic.
7504 * configure: Regenerate.
7505 * config.in: Regenerate.
7507 * config/i386/i386.c (output_387_ffreep): New function.
7508 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7509 (output_387_reg_move): Likewise.
7511 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7513 Port to hosts whose 'sort' and 'tail' implementations
7514 treat operands with leading '+' as file names, as POSIX
7515 has required since 2001. However, make sure the code still
7516 works on pre-POSIX hosts.
7517 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7518 which says you should use "tail -c +N" rather than "tail +Nc".
7519 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7521 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7523 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7526 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7529 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7530 PRE_{INC,DEC} of TFmode.
7532 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7533 Alan Modra <amodra@bigpond.net.au>
7536 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7539 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7542 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7543 Remove duplicate gtu.
7545 2006-07-05 Jason Merrill <jason@redhat.com>
7549 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7550 * c-common.c (handle_packed_attribute): So don't copy it here.
7551 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7553 2006-07-05 Mike Stump <mrs@apple.com>
7555 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7557 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7560 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7562 2006-07-05 Richard Guenther <rguenther@suse.de>
7565 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7566 TARGET_SSE2 targets if using SSE math.
7567 (*absdf2_1): Likewise.
7569 2006-07-05 Richard Guenther <rguenther@suse.de>
7571 PR tree-optimization/28162
7572 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7573 make sure to convert the operands to the correct type.
7575 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7577 PR tree-optimization/28218
7579 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7580 to calculate and free the dominator information.
7582 2006-07-04 Peter O'Gorman <peter@pogma.com>
7584 * mklibgcc.in: chmod 644 before ranlib during install.
7586 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7587 J"orn Rennecke <joern.rennecke@st.com>
7589 * configure.ac (.eh_frame data check): Use diff -b.
7591 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7594 * Makefile.in (BUILD_RTL): Add build/vec.o.
7595 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7596 (build/genextract): Delete.
7597 (build/genautomata): Likewise.
7599 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7602 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7603 128-bit IBM long doubles for ABI_V4.
7605 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7607 * tree.c (range_in_array_bounds_p): New predicate.
7608 * tree.h (range_in_array_bounds_p): Declare it.
7609 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7610 return a less conservative answer.
7611 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7612 and flag 'is_group'.
7613 (IS_ELEMENT_FOR_GROUP): New macro.
7614 (FOR_EACH_ACTUAL_CHILD): Likewise.
7615 (next_child_for_group): New helper function.
7616 (can_completely_scalarize_p): Take into account groups.
7617 (sra_hash_tree): Handle RANGE_EXPR.
7618 (sra_elt_eq): Likewise.
7619 (lookup_element): Be prepared for handling groups.
7620 (is_valid_const_index): Delete.
7621 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7622 instead of is_valid_const_index.
7623 <ARRAY_RANGE_REF>: New case.
7624 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7625 is_valid_const_index.
7626 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7627 (scan_dump): Dump info for groups too.
7628 (decide_instantiation_1): Likewise.
7629 (decide_block_copy): Assert that the element is not a group.
7630 Propagate decision to groups.
7631 (generate_one_element_ref): Handle RANGE_EXPR.
7632 (mark_no_warning): Iterate over actual childs.
7633 (generate_copy_inout): Likewise.
7634 (generate_element_copy): Likewise.
7635 (generate_element_zero): Likewise.
7636 (generate_element_init_1): Likewise.
7637 (dump_sra_elt_name): Handle RANGE_EXPR.
7639 2006-07-03 Roger Sayle <roger@eyesopen.com>
7641 PR tree-optimization/26251
7642 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7643 (thread_block): When optimizing for size refuse to thread jumps
7644 that would require duplication of blocks other than redirection
7647 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7649 * configure.ac: Fix thinko in previous check-in.
7650 * configure: Regenerate.
7652 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7655 * configure.ac (for lang...): Simplify nesting of conditionals.
7656 Test subdir_requires for non-enabled languages. Move processing
7657 of lang_opt_files and lang_tree_fiels below that test.
7658 * configure: Regenerate.
7659 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7661 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7663 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7665 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7667 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7670 2006-06-29 Jason Merrill <jason@redhat.com>
7677 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7678 * c-common.c (c_determine_visibility): Handle it here.
7679 * c-decl.c (finish_decl): Call c_determine_visibility for
7681 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7683 * varasm.c (default_assemble_visibility): Likewise.
7684 * c-common.c (handle_visibility_attribute): Complain about trying
7685 to give visibility to an already defined class, or trying to change
7686 declared visibility. Always attach the attribute.
7691 * attribs.c (decl_attributes): Ignore type-in-place attributes
7692 once the type has been defined.
7694 2006-06-29 Roger Sayle <roger@eyesopen.com>
7697 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7698 to indicate the cpplib has issued an error message for us.
7700 2006-06-29 Asher Langton <langton2@llnl.gov>
7703 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7704 insert a label at the end of an function under Mach-O.
7706 2006-06-29 Eric Christopher <echristo@apple.com>
7707 Evan Cheng <evan.cheng@apple.com>
7709 * predicates.md (vector_all_ones_operand): New.
7710 (nonimmediate_or_sse_const_operand): Ditto.
7711 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7712 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7713 (standard_sse_mode_p): Ditto.
7714 (standard_sse_constant_p): Add case for -1 vector.
7715 (ix86_expand_vector_move): Try to use.
7716 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7717 Call standard_sse_constant_opcode.
7718 (*movv4sf_internal): Ditto.
7719 (*movv2df_internal): Ditto.
7721 2006-06-29 Roger Sayle <roger@eyesopen.com>
7723 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7724 of XEXP to extract the operands of a MATCH_CODE rtx.
7726 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7728 * tree.c (tree_size): Do not waste tail padding in
7729 struct tree_string and make the size be the same as
7730 build_string will generate.
7732 2006-06-28 Jason Merrill <jason@redhat.com>
7735 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7736 may_aliases already in the tag's annotations to the bitmap.
7738 2006-06-28 Roger Sayle <roger@eyesopen.com>
7740 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7742 2006-06-28 Roger Sayle <roger@eyesopen.com>
7744 * genpreds.c (generate_switch_p): New function.
7745 (add_mode_tests): Push the new mode test down inside an AND expr
7746 if this allows the switch-suitable MATCH_CODE to be near the root.
7747 (write_match_code_switch): New function to write a MATCH_CODE as
7749 (write_predicate_stmts): New function to write a predicate RTX
7750 expression as a sequence of statements.
7751 (write_one_predicate_function): Use write_predicate_stmts.
7752 (write_tm_constrs_h): Likewise.
7754 2006-06-26 Fred Fish <fnf@specifix.com>
7756 * config/mips/t-sb1: New file.
7757 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7760 2006-06-26 DJ Delorie <dj@redhat.com>
7762 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7764 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7765 Jayant Sonar <jayants@kpitcummins.com>
7766 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7768 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7769 (subsi3, subsi3_1, subsi3_2): New.
7770 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7771 * config/m32c/mov.md (SI mov peephole): New.
7772 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7773 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7775 2006-06-26 Olivier Hainque <hainque@adacore.com>
7777 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7778 a CALL_EXPR target function declaration.
7780 2006-06-26 Richard Guenther <rguenther@suse.de>
7782 * tree.c (build_string): Do not waste tail padding in
7785 2006-06-26 Richard Guenther <rguenther@suse.de>
7787 * ggc-page.c (init_ggc): Add missing element to size_lookup
7791 2006-06-23 Richard Guenther <rguenther@suse.de>
7793 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7794 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7795 alignment requests instead. Add verification code.
7796 Add struct tree_function_decl and struct tree_binfo size to
7797 extra_order_size_table. Add missing element to size_lookup
7800 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7803 * fold-const.c (const_binop): Be prepared for self returning zero.
7804 Simplify code handling complex values.
7806 2006-06-24 Olivier Hainque <hainque@adacore.com>
7808 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7809 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7812 2006-06-24 Olivier Hainque <hainque@adacore.com>
7814 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7815 ARRAY_REF, so have the callback called for the low bound expression.
7817 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7819 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7820 * c-typeck.c (c_common_type): Disallow operations on decimal float
7821 types and other float types.
7822 * convert.c (convert_to_real): Don't ignore conversions involving
7823 decimal float types.
7825 2006-06-23 Olivier Hainque <hainque@adacore.com>
7827 * tree.c (max_int_size_in_bytes): New function, inspired from
7828 code in function.c:assign_temp.
7829 * tree.h (max_int_size_in_bytes): Declare.
7830 * function.c (assign_temp): Use it.
7831 * gimplify.c (create_tmp_var): Relax the assertions on the type
7832 properties, not mandating constant size any more.
7833 (force_constant_size): New static function.
7834 (gimple_add_tmp_var): Use it, forcing variable size to a
7835 constant upper bound if it is not constant on entry.
7837 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7840 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7841 for initialization and setting of one_only flag to ...
7842 (i386_pe_encode_section_info): ...here.
7843 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7844 Recheck that the symbol has not been defined.
7846 2006-06-23 Richard Guenther <rguenther@suse.de>
7848 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7849 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7850 alignment requests instead. Add verification code.
7851 Add struct tree_function_decl and struct tree_binfo size to
7852 extra_order_size_table. Add missing element to size_lookup
7855 2006-06-22 Roger Sayle <roger@eyesopen.com>
7856 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7859 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7860 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7862 2006-06-23 Ben Elliston <bje@au.ibm.com>
7864 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7865 negate dn -- manipulate it directly.
7867 2006-06-22 Roger Sayle <roger@eyesopen.com>
7868 Steven Bosscher <stevenb.gcc@gmail.com>
7871 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7872 generated by gen_move_insn to add REG_LABEL notes if necessary.
7874 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7876 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7877 (leaf_entry): Remove use of MIN_ESA.
7879 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7881 PR rtl-optimization/28121
7882 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7885 2006-06-21 DJ Delorie <dj@redhat.com>
7887 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7889 (mulhisi3_r): Likewise.
7891 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7894 * coverage.c (coverage_counter_alloc): Leave the index type
7896 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7899 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7901 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7902 section from the "Options for Code Generation Conventions".
7904 2006-06-21 Richard Henderson <rth@redhat.com>
7908 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7910 (global_symbolic_operand): Allow weak symbols, even if local_p.
7912 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7914 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7915 (find_interesting_uses_address): Punt if above function returns true.
7917 2006-06-21 Richard Guenther <rguenther@suse.de>
7919 * configure: Regenerated.
7921 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7923 * config/mips/mips.c (function_arg): Where one part of a
7924 complex argument is in registers and the other part in the stack,
7925 return a REG not a PARALLEL.
7927 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7929 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7930 when cross-compiling. Do not substitute libstdcxx_incdir.
7931 * configure: Regenerated.
7933 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7935 * varasm.c (mergeable_string_section): Check for embedded NULs and
7936 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7937 rather than TREE_STRING_LENGTH bytes.
7939 2006-06-21 Richard Guenther <rguenther@suse.de>
7941 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7942 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7945 2006-06-21 Richrad Guenther <rguenther@suse.de>
7947 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7948 Limit iteration over the dominators.
7950 2006-06-20 Roger Sayle <roger@eyesopen.com>
7952 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7953 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7955 2006-06-20 Richard Guenther <rguenther@suse.de>
7956 Michael Matz <matz@suse.de>
7958 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7960 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7961 * et-forest.h (et_free_pools): Prototype new function.
7962 * et-forest.c (et_free_tree_force): Free parent occurrence.
7963 (et_free_pools): New function.
7964 * dominance.c (free_dominance_info): Free et-forest alloc
7967 2006-06-20 Roger Sayle <roger@eyesopen.com>
7969 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7970 integer modes, attempt to directly construct an integer constant.
7972 * fold-const.c (native_encode_vector): Determine the size of each
7973 element from the vector type instead of the first vector element.
7975 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7976 if all of its elements/components are constant.
7977 (build_constructor_from_list): Likewise.
7979 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7981 PR tree-optimization/27331
7982 * tree-data-ref.c (free_data_ref): New function.
7983 (create_data_ref): Fail if the data reference has unknown access
7985 (free_data_refs): Use free_data_ref.
7987 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7990 * tree-inline.c (setup_one_parameter): Strip useless
7991 type conversion before adding it to the IR.
7992 (declare_return_variable): Likewise.
7994 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7997 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7999 2006-06-19 Mike Stump <mrs@apple.com>
8001 * tree.c (variably_modified_type_p): VM arguments don't make the
8004 2006-06-19 Richard Guenther <rguenther@suse.de>
8006 * tree-ssa-pre.c (try_combine_conversion): Strip useless
8007 type conversions after folding.
8009 2006-06-19 Richard Guenther <rguenther@suse.de>
8011 * ggc-page.c (extra_order_size_tab): Add entries with
8012 size of struct function and basic_block.
8013 (size_lookup): Extend to cover sizes up to 511.
8014 (ggc_alloc_stat): Adjust user.
8015 (ggc_pch_count_object): Likewise.
8016 (ggc_pch_alloc_object): Likewise.
8017 (ggc_pch_write_object): Likewise.
8019 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
8021 * tree-ssa-loop-niter.c (implies_ge_p): New function.
8022 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
8025 2006-06-19 Denis Chertykov <denisc@overta.ru>
8027 * config/avr/libgcc.S : Correct my wrong previous commit.
8029 2006-06-19 Roger Sayle <roger@eyesopen.com>
8032 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
8033 have stripped a SUBREG from the shift count, so we may need to
8034 convert_to_mode back to the type's mode before calling make_tree.
8035 Use new_amount instead of amount to avoid expanding a tree twice.
8037 2006-06-19 Richard Guenther <rguenther@suse.de>
8040 * fold-const.c (operand_equal_p): Check if the argument types
8041 have the same precision before stripping NOPs.
8043 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
8045 Fix PR tree-optimization/27341
8046 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
8048 * tree-complex.c (pass_lower_complex): Update SMT usage.
8050 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
8052 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
8053 Add a new alternative to the constraint strings. Add move of
8054 operand 1 to 3 to the splitter definition.
8055 ("doloop_si_long"): Second contraint alternative removed.
8057 2006-06-08 Anatoly Sokolov <aesok@post.ru>
8059 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
8060 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
8062 (AVR_HAVE_MOVW) Define.
8063 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
8064 (ASM_SPEC): Add avr25.
8065 (LINK_SPEC): Add avr25.
8066 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
8067 (base_arch_s): Add new member 'have_movw_lpmx'.
8068 (avr_arch_types): Init 'have_movw_lpmx'.
8069 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
8070 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
8071 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
8072 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
8073 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
8075 (avr_file_start): Do not output '.arh' derective.
8076 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
8077 (__do_copy_data): Use __AVR_HAVE_LPMX__.
8078 * config/avr/avr.md (mcu_enhanced): Delete.
8079 (mcu_have_movw): Define.
8080 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
8081 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
8082 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
8083 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
8084 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
8085 attiny861 and at86rf401 devices.
8087 2006-06-18 Jie Zhang <jie.zhang@analog.com>
8089 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
8092 2006-06-17 Karl Berry <karl@gnu.org>
8094 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
8095 doc/gccint.texi, doc/install.texi (@dircategory): Use
8096 "Software development" instead of "Programming", following
8097 the Free Software Directory.
8099 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
8101 * config/i386/i386.c (legitimate_tls_address)
8102 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
8103 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
8104 (*tls_dynamic_gnu2_combine_64): Likewise.
8106 2006-06-16 Richard Guenther <rguenther@suse.de>
8109 * fold-const.c (negate_expr_p): Do not introduce undefined
8110 overflow in negating INTEGER_CSTs.
8111 (fold_negate_expr): Rename from negate_expr. Revert last
8112 change for folding BIT_NOT_EXPR. Change semantics to
8113 return NULL_TREE for non-simplified negations. Do not
8114 strip type conversions and unify type handling.
8115 (negate_expr): New function, wrap around fold_negate_expr
8116 but ensure building a tree always. Strip type conversions
8117 here, fold to result type.
8118 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
8120 2006-06-16 Roger Sayle <roger@eyesopen.com>
8123 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
8124 that (would) return their results in stack registers.
8126 2006-06-16 Michael Matz <matz@suse.de>
8127 Richard Guenther <rguenther@suse.de>
8129 * fold-const.c (fold_truthop): Only return new tree node if
8130 we canonicalized something.
8132 2006-06-16 Richard Guenther <rguenther@suse.de>
8134 * function.h (enum function_frequency): Move declaration
8135 out of struct function.
8136 (struct function): Move bool fields and the enum to the bitfield
8137 section. Reorder elements to avoid padding. Remove unused
8138 fields left over from the RTL inliner removal.
8139 * function.c (free_after_compilation): Do not zero removed fields.
8140 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
8141 (ipa-type-escape.o): Likewise.
8143 2006-06-16 Richard Guenther <rguenther@suse.de>
8145 * cgraph.h (struct cgraph_local_info): Turn bool elements
8147 (struct cgraph_node): Likewise.
8148 (struct cgraph_varpool_node): Likewise.
8150 2006-06-15 Richard Guenther <rguenther@suse.de>
8152 * fold-const.c (fold_truth_not_expr): Rename from
8153 invert_truthvalue. Give it fold_* semantics to avoid
8155 (invert_truthvalue): New function. Wrapper around
8156 fold_truth_not_expr.
8157 (optimize_minmax_comparison): Avoid creating garbage.
8158 (fold_unary): Use fold_truth_not_expr for folding
8160 (fold_ternary): Replace uses of invert_truthvalue with
8161 fold_truth_not_expr where applicable.
8162 * tree.h (fold_truth_not_expr): Prototype.
8164 2006-06-16 Richard Guenther <rguenther@suse.de>
8166 PR tree-optimization/27781
8167 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
8168 * ipa-pure-const.c (target.h): Include.
8169 (analyze_function): Do not analyze functions that do not
8172 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
8175 * tree-dfa.c (referenced_vars_dup_list): Remove.
8176 (find_referenced_vars): Remove assert.
8177 (referenced_var_check_and_insert): Replace dup list with assert.
8178 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
8179 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
8181 2006-06-15 Richard Guenther <rguenther@suse.de>
8183 * tree-ssa-structalias.c (alias_get_name): Avoid creating
8184 extra unused identifiers if not dumping.
8185 (create_variable_info_for): Likewise.
8187 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
8189 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
8190 (derive_constant_upper_bound): Derive more precise upper bound in
8191 common cases. Return type changed to double_int.
8192 (record_estimate): Reflect the changed return type of
8193 derive_constant_upper_bound.
8194 * double-int.c (double_int_zext, double_int_sext): Fix.
8196 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
8198 * configure.ac (CFLAGS): Get them from the toplevel or from the
8199 configure invocation.
8200 * configure: Regenerate.
8201 * Makefile.in (CFLAGS): Substitute value provided by configure.
8203 2006-06-14 Mark Mitchell <mark@codesourcery.com>
8206 * c-common.h (c_finish_omp_atomic): Adjust declaration.
8207 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
8208 rather than calling add_stmt on it.
8209 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
8211 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
8214 * reload1.c (reload): Remove registers returned by update_eliminables
8215 from used_spill_regs.
8217 2006-06-13 DJ Delorie <dj@redhat.com>
8219 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
8221 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
8223 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
8224 html__strip_dir, html__mkdir_p. Enhance install-html target.
8225 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
8226 * configure: Regenerate.
8228 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
8230 * fold-const.c (fold_cond_expr_with_comparison): Check for
8231 Objective-C++ as language in deciding COND_EXPR transformation.
8233 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
8236 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
8237 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
8238 * config/sh/lib1funcs.h (SL, SL1): Define.
8239 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
8240 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
8241 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
8242 (OBJS_Os_4_200): New variable.
8243 ($(T)libgcc-Os-4-200.a): Use it.
8244 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
8245 when dividing 1 and/or by 0.
8247 2006-06-13 Roger Sayle <roger@eyesopen.com>
8249 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
8250 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
8251 * configure: Regenerate.
8253 2006-06-13 Jie Zhang <jie.zhang@analog.com>
8255 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
8256 for real instruction.
8258 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8261 * haifa-sched.c (check_cfg): Handle special case.
8263 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
8266 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
8267 Add debug_info parameter. Chain the vars to the BLOCK instead
8268 of the BIND_EXPR if debug info are requested for them.
8269 (pop_gimplify_context): Adjust for above change.
8270 (gimple_add_tmp_var): Likewise.
8271 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
8273 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
8274 (convert_local_reference): Likewise.
8275 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
8276 (finalize_nesting_tree_1): Request that debug info be emitted
8277 for debug_var_chain.
8279 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8281 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
8282 for PR target/27863.
8284 2006-06-13 Richard Guenther <rguenther@suse.de>
8287 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
8289 2006-06-13 Richard Guenther <rguenther@suse.de>
8291 PR tree-optimization/27830
8292 * tree-inline.c (copy_body_r): For copying the operand
8293 of an ADDR_EXPR make sure to fold &* afterwards.
8295 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
8297 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
8298 lvalues in the fb_none case with side-effects.
8300 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
8302 * tree-flow.h: Remove the prototype for
8303 compute_phi_arg_on_exit.
8304 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
8305 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
8308 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
8310 * builtins.c (expand_builtin_return_addr): Only use
8311 frame_pointer_rtx when count == 0 and we are expanding
8312 __builtin_return_address.
8314 2006-06-12 Fred Fish <fnf@specifix.com>
8316 * config/mips/mips.c (mips_file_start): Create special section
8317 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
8319 2006-06-11 Eric Christopher <echristo@apple.com>
8322 * stor-layout.c (place_field): Remove check for
8323 remaining_in_alignment when aligning at the end of a run.
8325 2006-06-11 Eric Christopher <echristo@apple.com>
8328 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
8331 2006-06-11 Roger Sayle <roger@eyesopen.com>
8334 Revert incorrect fix for PR target/27158
8335 2006-05-08 Roger Sayle <roger@eyesopen.com>
8336 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8337 of a reg_equiv_constant if the result is a legitimate constant.
8339 2006-06-11 Roger Sayle <roger@eyesopen.com>
8342 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
8343 extract a CONST_VECTOR element and interpret it as an integer.
8344 (vspltis_constant): Use const_vector_elt_as_int instead of the
8345 macro CONST_VECTOR_ELT in order to handle FP vector modes.
8346 * config/rs6000/predicates.md (easy_vector_const): Consider
8347 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
8349 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
8352 * stor-layout.c (update_alignment_for_field): Don't add extra
8353 alignment for packed non-bitfield fields in ms_bitfield_layout_p
8356 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
8358 * config/mips/t-rtems: Add EL/EB multilib variants.
8360 2006-06-09 Mike Stump <mrs@apple.com>
8362 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
8364 2006-06-09 David Daney <ddaney@avtrex.com>
8366 * doc/install.texi: Add binutils version recommendation for mips-*-*.
8368 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
8370 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
8372 2006-06-09 Richard Guenther <rguenther@suse.de>
8374 PR tree-optimization/26998
8375 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
8376 of signed types, only TYPE_MIN_VALUE is special, but for both,
8377 minimum and maximum value. Likewise VR_ANTI_RANGE is special
8378 in this case, as is -fwrapv.
8380 2006-06-08 Mike Stump <mrs@apple.com>
8383 * config/darwin.c (darwin_asm_output_anchor): Disable
8384 -fsection-anchors on darwin for now.
8385 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
8386 * rs6000/rs6000.c (optimization_options): Likewise.
8388 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8391 * config/i386/i386.c (classify_argument): Skip fields with invalid
8394 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
8396 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
8397 (cse_insn): Likewise for the stack_pointer_rtx.
8399 2006-06-08 Roger Sayle <roger@eyesopen.com>
8401 * tree-ssa-dom.c (record_conditions): Only record "unordered"
8402 conditions from floating point comparisons.
8404 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
8407 * expmed.c (struct alg_hash_entry): Fix type of field T
8408 to match synth_mult argument.
8409 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
8411 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8414 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
8417 2006-06-08 Richard Guenther <rguenther@suse.de>
8420 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
8421 only, if overflow is defined and not trapping.
8422 (negate_expr): Likewise.
8424 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8426 PR tree-optimization/27872
8427 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
8428 flag on the new exit edge of the unrolled loop.
8430 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8432 PR rtl-optimization/26449
8433 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
8435 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
8438 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
8439 referenced_variables with matching DECL_UID's.
8440 (find_referenced_vars): Make sure duplicate list is empty to start.
8441 (referenced_var_p): Remove.
8442 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
8443 Check if var is in the list, and add if needed. Update the duplicate
8444 list if a different var is in the list with the same DECL_UID.
8445 (add_referenced_var): Call routine to check and insert.
8446 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
8447 * tree-flow.h (referenced_vars_dup_list): External declaration.
8449 2006-06-07 Fred Fish <fnf@specifix.com>
8451 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
8454 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
8457 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
8458 the imaginary and real parts of a clobbered register.
8459 Emit insn to set the imaginary part.
8461 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8463 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8464 in lieu of unwind-dw2-fde.c.
8466 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8468 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8470 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8473 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8474 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8475 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8476 V4SImode temporaries and operations instead.
8478 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8480 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8483 2006-06-06 Mike Stump <mrs@apple.com>
8485 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8486 installing during build.
8488 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8490 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8492 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8493 * config/ia64/ia64.c (params.h): New header.
8494 (ia64_optimization_options): New function to adjust parameters.
8495 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8496 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8497 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8499 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8501 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8503 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8506 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8508 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8509 Victor Kaplansky <victork@il.ibm.com>
8511 PR tree-optimization/26360
8512 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8515 2006-06-04 Roger Sayle <roger@eyesopen.com>
8516 Andrew Pinski <pinskia@physics.uc.edu>
8519 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8520 for LABEL_DECL before calling DECL_WEAK.
8523 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8524 LABEL_DECL and PARM_DECL.
8526 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8530 * c-decl.c (grokdeclarator): Disallow variably modified types at
8531 file scope. Avoid marking shared array type of constant size as
8534 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8537 * c-common.c (fold_offsetof_1): Handle static members.
8539 2006-06-04 Eric Christopher <echristo@apple.com>
8541 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8542 (debug_rli): Output value for remaining_in_alignment.
8543 (update_alignment_for_field): Unconditionalize
8544 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8545 extra alignment code.
8546 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8547 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8548 * tree.h (record_layout_info_s): Remove prev_packed.
8549 * doc/extend.texi (ms_struct): Add documentation of format.
8551 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8553 * tree.h: Declare folding_initializer.
8554 * builtins.c (fold_builtin_constant_p): Give definite answer
8555 if folding inside an initializer.
8556 * fold-const.c: Define folding_initializer.
8557 (START_FOLD_INIT): Save and then set folding_initializer.
8558 (END_FOLD_INIT): Restore folding_initializer.
8560 2006-06-04 Richard Guenther <rguenther@suse.de>
8562 PR tree-optimization/27039
8563 * fold-const.c (fold_comparison): Handle pointer comparison
8564 again for all comparison codes. Compare offsets in signed
8566 (fold_binary): Move code from here.
8568 2006-06-03 Roger Sayle <roger@eyesopen.com>
8571 * config/i386/i386.c (construct_container): Split static issued_error
8572 flag into issued_sse_arg_error, issued_sse_ret_error and
8573 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8574 requires the use of x87 registers and the user explicitly
8575 specified the -mno-80387 command line option.
8577 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8579 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8580 HAVE_DECL_SIGALTSTACK.
8582 (segv_handler): Use MC_FLD.
8583 * configure.ac: Check for a sigaltstack declaration.
8584 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8585 * configure: Regenerate.
8586 * config.in: Regenerate.
8588 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8591 * Makefile.in (stmp-fixinc): Fix typo.
8593 2006-06-02 Roger Sayle <roger@eyesopen.com>
8595 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8596 are type correct. Clean-up.
8597 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8598 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8600 2006-06-01 DJ Delorie <dj@redhat.com>
8602 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8603 shift, as we've disabled the "switch" insn that needs it.
8605 2006-06-01 Per Bothner <bothner@bothner.com>
8607 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8608 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8609 * c-ppoutput.c (cb_define): Don't increment line 0.
8611 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8613 * doc/invoke.texi: Add cpu_type power6.
8614 * config.gcc: Add cpu_type power6.
8615 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8616 to power5+ with Altivec.
8617 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8618 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8620 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8622 * config/avr/avr.h (SET_ASM_OP): Define.
8624 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8626 * config/bfin/bfin.c: Fix comment typos.
8628 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8631 * doc/install.texi: Document --enable-bootstrap and
8632 --disable-bootstrap.
8634 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8636 * doc/install.texi: Document that InfoZIP can replace jar.
8638 2006-05-31 Roger Sayle <roger@eyesopen.com>
8640 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8641 isn't available, directly generate the simpler x87 patterns without
8642 the (use (const_int 0)).
8643 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8644 implementation isn't available.
8645 (*negdf2_1): Likewise.
8646 (*negxf2_1): XF mode negation is always done using the x87.
8647 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8649 2006-05-31 Roger Sayle <roger@eyesopen.com>
8651 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8652 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8654 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8656 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8658 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8659 * config/bfin/bfin.c (basic-block.h): Include.
8660 (struct machine_function): New.
8661 (bfin_init_machine_status): New.
8662 (override_options): Initialize init_machine_status.
8663 (bfin_hardware_loop): New.
8664 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8665 (DEF_VEC_P (loop_info)): New.
8666 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8667 (struct loop_info): New.
8668 (loop_info): New typedef.
8669 (struct loop_work): New.
8670 (loop_work): New typedef.
8671 (DEF_VEC_O (loop_work)): New.
8672 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8673 (bfin_dump_loops): New.
8674 (bfin_bb_in_loop): New.
8675 (bfin_scan_loop): New.
8676 (bfin_optimize_loop): New.
8677 (bfin_reorg_loops): New.
8678 (bfin_reorg): Use bfin_reorg_loops.
8679 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8681 (I_REGNO_P): Simplify.
8682 (DP_REGNO_P, DPREG_P): New macros.
8683 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8684 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8685 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8686 Add LT_REGS, LC_REGS, LB_REGS.
8687 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8689 (REGNO_REG_CLASS): Deal with loop registers.
8690 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8692 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8693 New constants for loop registers.
8694 (UNSPEC_LSETUP_END): New.
8695 (seq_insns): New define_attr. Set it for appropriate insns.
8696 (movsi_insn): Add alternatives for move from/to
8697 loop count registers.
8698 (doloop_end): New define_expand.
8699 (loop_end): New define_insn.
8700 (define_split for bad doloop_end): New.
8701 (lsetup_with_autoinit): New define_insn.
8702 (lsetup_without_autoinit): New define_insn.
8703 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8704 * config/bfin/predicates.md (lc_register_operand): New.
8705 (lt_register_operand): New.
8706 (lb_register_operand): New.
8707 (nondp_register_operand): New.
8708 (nondp_reg_or_memory_operand): New.
8709 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8711 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8713 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8714 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8716 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8718 * Makefile.in (CATALOGS): Add po/ prefix.
8719 * configure: Regenerated.
8721 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8724 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8725 a shift operand before calling shift_op. Avoid redundant call of
8728 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8729 DJ Delorie <dj@redhat.com>
8731 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8732 we're inserting is a singlt-bit constant.
8734 2006-05-30 Roger Sayle <roger@eyesopen.com>
8736 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8737 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8739 2006-05-30 Roger Sayle <roger@eyesopen.com>
8741 PR tree-optimization/23452
8742 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8743 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8744 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8745 complex values and with -ffast-math for FP complex values.
8747 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8749 * c-common.h: Remove the prototype for yyparse.
8750 * rtl.h: Remove the prototype for init_loop.
8752 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8754 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8757 2006-05-30 Roger Sayle <roger@eyesopen.com>
8759 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8761 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8762 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8764 2006-05-30 Dirk Mueller <dmueller@suse.de>
8767 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8768 for CONSTANT_CLASS_P expresisons.
8770 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8773 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8775 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8777 PR tree-optimization/27779
8778 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8779 initial_condition instead of CHREC_LEFT.
8781 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8783 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8784 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8785 Make prototypes ISO C90.
8787 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8788 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8790 * see.c (see_analyze_one_def): Correct check.
8791 (see_get_extension_data): Check if extension is parallel.
8792 (see_get_extension_reg): Likewise.
8794 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8797 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8798 into register for (code == GTU).
8800 2006-05-29 Roger Sayle <roger@eyesopen.com>
8802 PR tree-optimization/24964
8803 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8804 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8805 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8806 abs(x)*abs(x) as x*x for scalar floating point modes.
8808 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8811 * lambda-code.c (perfect_nestify): Don't copy statements
8812 in the inner loop: move them to the inner loop header.
8814 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8817 * c-tree.texi: Document OpenMP directives and clauses.
8819 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8821 * varasm.c (globalize_decl): Fix indentation.
8823 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8826 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8827 pass_fre, pass_store_ccp, pass_copy_prop,
8828 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8829 pass_return_slot, pass_object_size, pass_lim,
8830 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8831 pass_loop_prefetch and pass_stdarg.
8833 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8835 * config/bfin/bfin.opt (mfdpic): New option.
8836 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8837 (EXTRA_MULTILIB_PARTS): Likewise.
8838 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8839 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8841 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8842 (CRT_CALL_STATIC_FUNCTION): New.
8843 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8845 (CRT_CALL_STATIC_FUNCTION): New.
8846 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8848 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8849 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8850 (initialize_trampoline): Changed to handle FD-PIC code generation.
8851 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8852 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8853 (override_options): Disallow -mid-shared-library -mfdpic combination.
8854 Can't do unaligned ops if FD-PIC.
8855 Turn off flag_pic if trying to generate non-id-shared-library
8856 non-fdpic code, since it's not supported.
8857 (bfin_assemble_integer): New function.
8858 (TARGET_ASM_INTEGER): Define.
8859 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8861 * config/bfin/crtn.s: Restore them.
8862 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8864 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8865 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8866 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8867 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8868 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8870 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8871 FDPIC_REGS and FDPIC_FPTR_REGS.
8872 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8873 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8874 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8875 (load_funcdescsi): New pattern.
8876 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8877 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8878 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8880 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8882 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8885 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8887 * tree-flow.h: Remove the prototype for add_type_alias.
8888 * tree-ssa-alias.c (add_type_alias): Remove.
8890 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8892 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8893 config/fr30/fr30.md, config/i386/i386-interix.h,
8894 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8895 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8896 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8897 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8898 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8899 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8900 Follow spelling conventions.
8901 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8902 Follow spelling conventions.
8904 2006-05-27 Richard Guenther <rguenther@suse.de>
8907 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8908 to produce a constant of value 1 of generic type.
8910 2006-05-27 Dirk Mueller <dmueller@suse.de>
8912 * cgraphunit.c (decide_is_function_needed): Fix wrong
8915 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8917 PR rtl-optimization/27661
8918 * reload.c (find_reloads): When reloading a VOIDmode constant
8919 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8920 use Pmode as mode of the reload register.
8922 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8924 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8925 is enabled at -O and above.
8927 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8930 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8933 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8936 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8937 for anonymous variables explicitly declared by front ends.
8939 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8941 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8942 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8943 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8944 ref-all pointers, run a finalization pass for them.
8945 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8946 (finalize_ref_all_pointers): New function.
8947 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8948 regular pointer type to a ref-all pointer type.
8949 (get_tmt_for): Return the special memory tag for ref-all pointers.
8951 2006-05-25 Richard Guenther <rguenther@suse.de>
8954 * fold-const.c (fold_binary): Do not look at the stripped
8955 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8957 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8959 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8960 for LT and GT if the computed range is effectively empty.
8962 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8965 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8966 mips_quad_format formats instead of ieee_single_format,
8967 ieee_double_format and ieee_quad_format formats, respectively.
8969 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8971 PR tree-optimization/27639
8972 PR tree-optimization/26719
8973 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8974 call to scev_probably_wraps_p.
8975 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8976 used_in_pointer_arithmetic_p, convert_step): Removed.
8977 (nowrap_type_p): New function.
8978 (scev_probably_wraps_p): Rewritten.
8979 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8980 chrec_convert if chrec_convert_aggressive might have been used.
8981 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8982 scev_direction): New functions.
8983 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8984 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8985 instead of convert_step.
8986 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8987 (convert_step): Declaration removed.
8988 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8990 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8992 * df-core.c: Added to header comments.
8993 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8994 df_ur_bb_info, df_urec_bb_info): Added comments.
8995 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8996 urec, ri problems): Fixed header comments.
8997 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8998 code from df_rd_transfer_function.
9000 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9002 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
9003 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
9004 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
9006 2006-05-23 Joseph Myers <joseph@codesourcery.com>
9008 * expr.c (undefined_operand_subword_p): New.
9009 (emit_move_multi_word): Do not generate move from undefined bits
9010 of a paradoxical subreg.
9012 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9014 PR rtl-optimization/27736
9015 * combine.c (replaced_rhs_value): New variable.
9016 (combine_instructions): Set it.
9017 (distribute_notes): When distributing a note in replaced_rhs_insn,
9018 check whether the value was used in replaced_rhs_value.
9020 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
9023 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
9024 add_referenced_var instead of add_referenced_tmp_var.
9025 * tree-complex.c (create_one_component_var): Use add_referenced_var.
9026 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
9028 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
9029 tree_optimize_tail_calls_1): Use add_referenced_var.
9030 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
9031 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
9032 Use add_referenced_var.
9033 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
9034 * gimplify.c (force_gimple_operand): Use add_referenced_var.
9035 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
9036 Use add_referenced_var.
9037 * tree-dfa.c (struct walk_state): Remove.
9038 (find_referenced_vars): Remove walk state and vars_found hash table.
9039 (make_rename_temp): Use add_referenced_var.
9040 (find_vars_r): Pass less parameters to add_referenced_var.
9041 (referenced_var_p): New. Is var in referenced_var hash table.
9042 (referenced_var_insert): Assert var isn't already in hash table.
9043 (add_referenced_var): Don't need walk_state parameter. Add var if it
9044 isn't already in the hash table.
9045 (add_referenced_tmp_var): Remove.
9046 (find_new_referenced_vars_1): Use add_referenced_var.
9047 * tree-ssa-pre.c (create_expression_by_pieces,
9048 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
9049 Use add_referenced_var.
9050 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
9051 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
9052 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
9054 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9055 vect_create_data_ref_ptr, vect_create_destination_var,
9056 vect_init_vector, vect_build_loop_niters,
9057 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
9058 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
9059 Use add_referenced_var.
9060 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
9061 * tree-flow.h (add_referenced_tmp_var): Remove prototype
9062 (add_referenced_var): Add prototype.
9063 * tree-ssa-structalias.c (get_constraint_for,
9064 intra_create_variable_infos): Use add_referenced_var.
9066 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
9068 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
9069 big-endian paradoxical subregs.
9070 * var-tracking.c (struct micro_operation_def): Document that,
9071 for modify micro operations, insn is the subsequent instruction.
9072 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
9073 (var_reg_set, var_mem_set): ... new functions.
9074 (add_stores): Record subsequent insn.
9075 (compute_bb_dataflow): Use new functions for MO_USE.
9076 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
9077 notes after the insn, and modify notes before the insn known
9078 to be the subsequent one.
9079 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
9081 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
9084 * config/i386/i386.c (ix86_expand_builtin): Use
9085 gen_sse3_monitor64 for TARGET_64BIT.
9087 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
9089 PR rtl-optimization/26375
9090 PR rtl-optimization/26855
9091 * df-problems (df_ru_bb_local_compute_process_def): Removed update
9093 (df_ru_bb_local_compute): Reversed statements and removed bogus
9094 comment explaining why they should be in wrong order.
9095 (df_ru_dump, df_rd_dump): Enhanced debug info.
9096 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
9098 * ddg.c (add_deps_for_def): Converted use of reaching defs to
9099 reaching uses and fixed space problem.
9101 2006-05-23 Jan Hubicka <jh@suse.cz>
9103 * cgraphunit.c (decide_is_function_needed): Also nested functions
9104 and functions declared inline can be optimized out at -O0.
9106 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
9108 * doc/install.texi (Configuration): Remove reference to CrossGCC
9112 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
9115 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
9116 ix86_compare_emitted is non-NULL.
9118 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9121 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
9124 2006-05-22 Richard Sandiford <richard@codesourcery.com>
9126 PR rtl-optimization/25514
9127 * combine.c (replaced_rhs_insn): New variable.
9128 (combine_instructions): Set replaced_rhs_insn when trying to replace
9129 a SET_SRC with a REG_EQUAL note.
9130 (distribute_notes): Use replaced_rhs_insn when determining the live
9131 range of a REG_DEAD register.
9133 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
9134 Anatoly Sokolov <aesok@post.ru>
9136 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
9137 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
9138 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
9139 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
9140 atmega3290, atmega649, atmega6490, atmega406, atmega640,
9141 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
9142 at90usb647, at90usb1286 and at90usb1287 devices.
9143 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9144 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9146 2006-05-22 Richard Sandiford <richard@codesourcery.com>
9148 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
9150 2006-05-22 Richard Guenther <rguenther@suse.de>
9153 2006-01-31 Richard Guenther <rguenther@suse.de>
9154 Paolo Bonzini <bonzini@gnu.org>
9156 * doc/install.texi (--disable-libgcc-math): Document.
9158 2006-05-22 Richard Guenther <rguenther@suse.de>
9161 2006-01-31 Richard Guenther <rguenther@suse.de>
9163 * doc/invoke.texi (-msselibm): Document.
9164 * target.h (expand_library_builtin): New target hook.
9165 * builtins.c (expand_builtin): Use expand_library_builtin.
9166 (default_expand_library_builtin): New function.
9167 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9168 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9169 (link_gcc_math_spec): Declare.
9170 (static_specs): Add link_gcc_math_spec.
9171 * expr.h (default_expand_library_builtin): Declare.
9172 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9173 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9174 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9175 * config/i386/i386.opt (msselibm): New target option.
9176 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9177 (ix86_init_sse_abi_builtins): New function.
9178 (ix86_expand_library_builtin): Likewise.
9179 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9180 (override_options): Handle error conditions wrt -msselibm.
9181 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9182 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9183 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9186 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9189 * c-common.c (self_promoting_args_p): Skip erroneous args.
9192 * c-decl.c (finish_struct): Skip erroneous fields.
9194 2006-05-22 Nick Clifton <nickc@redhat.com>
9196 * config/cris/cris.opt (march): Remove VarExists attribute.
9197 (max-stackframe=): Likewise.
9199 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
9201 * doc/rtl.texi: Fix a typo.
9202 * see.c: Fix comment typos.
9204 * tree-ssa-structalias.h (alias_info): Remove num_references.
9206 2006-05-21 Mike Stump <mrs@apple.com>
9208 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
9210 (darwin_pragma_options): Use BAD instead.
9211 (darwin_pragma_unused): Likewise.
9212 (darwin_pragma_ms_struct): Likewise.
9214 2006-05-21 David Edelsohn <edelsohn@gnu.org>
9216 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
9218 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
9220 PR rtl-optimization/27671
9221 * simplify-rtx.c (simplify_relational_operation_1): Fix
9222 simplifications of (eq/ne (xor x y) y) and
9223 (eq/ne (xor x y) x).
9225 PR tree-optimization/26622.
9226 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
9229 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9231 * tree-cfg.c: Prune whitespace.
9232 (debug_tree_cfg): Point to correct header containing the
9235 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9238 * cgraphunit.c (verify_cgraph_node): Typo in error message.
9240 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
9243 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
9244 or sorry count is non zero.
9246 2006-05-20 Andreas Schwab <schwab@suse.de>
9248 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
9250 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
9251 Kenneth Zadeck <zadeck@naturalbridge.com>
9253 PR rtl-optimization/26855
9255 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
9257 (df_scan_alloc): Added code to properly handle multiword hard
9258 registers and add all_blocks parameter.
9259 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
9260 code to properly handle multiword hard registers.
9261 (df_rescan_blocks): Added code to remove deleted blocks from
9263 (df_ref_create_structure, df_ref_record): Added code to properly
9265 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
9266 and set DF_REF_PARTIAL.
9267 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
9268 (df_uses_record): Added DF_REF_PARTIAL for subreg.
9269 (df_scan_add_problem): Added flags parameter.
9270 (df_ref_create_structure): Changed switching structure.
9271 (df_bb_refs_record): Fixed case where duplicate artificial refs
9272 were created. Changed location of flags.
9273 (df_record_entry_block_defs): Added code to make stack pointer
9274 live in entry block. Refined cases where frame pointer is needed.
9275 Changed location of flags.
9276 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
9277 (df_set_state): Removed function.
9278 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
9279 df_insn_create_insn_record, df_insn_refs_delete,
9280 df_ref_create_structure): Formatting changes.
9281 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
9282 df_delete_basic_block): New function.
9283 (df_init): Changed location of flags.
9284 (df_add_problem): Added flags parameter and the way flags are
9286 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
9287 debug_df_chain): Improved debugging output.
9288 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
9289 (df_refs_chain_dump): Removed df parameter.
9290 (df_iterative_dataflow): Added consistency check.
9291 (df_prune_to_subcfg): Made public.
9292 (df_analyze_problem): Added blocks_to_init parameter and made
9294 (df_ref_record, df_bb_refs_record, df_mark_reg,
9295 df_record_exit_block_uses): Whitespace changes.
9296 (df_dump): Whitespace changes.
9297 * df.h: Some reordering to remove forward references.
9298 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
9299 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
9300 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
9301 (dataflow.flags): New field.
9302 (df.flag): Deleted field.
9303 (df_alloc_function): Added additional bitmap parameter.
9304 (df_dependent_problem_function): New type.
9305 (df_problem.changeable_flags): New field.
9306 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
9307 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
9308 (df_mw_hardreg): New struct.
9309 (DF_INSN_UID_MWS): New macro.
9310 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
9312 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
9313 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
9314 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
9315 (df_set_state): Removed function.
9316 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
9317 * df-problems.c (df_chain_dump): Removed df parameter.
9318 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
9319 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
9321 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
9322 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
9323 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
9324 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
9325 DF_REF_MUST_CLOBBER cases.
9326 (df_ru_bb_local_compute_process_def,
9327 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
9328 df_lr_bb_local_compute, df_ur_bb_local_compute,
9329 df_chain_create_bb): Made subreg aware.
9330 (df_ru_bb_local_compute, df_rd_bb_local_compute,
9331 df_lr_bb_local_compute, df_lr_bb_local_compute,
9332 df_chain_create_bb): Cleanup to use proper macros.
9333 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
9334 code to fixup bitvectors.
9335 (df_ri_alloc): Cleared lifetime.
9336 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
9337 df_create_unused_note): New function.
9338 (df_ri_bb_compute, df_ri_compute): Added code to create/update
9339 REG_DEAD and REG_UNUSED notes as well as register information.
9340 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
9341 df_chains_dump): Fixed crash if problem was never run.
9342 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
9343 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
9344 df_ri_add_problem): Processes flags in uniform manner.
9345 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
9346 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
9347 df_rd_dump, df_urec_free_bb_info): Formatting changes.
9348 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
9349 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
9350 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
9351 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
9352 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
9353 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
9354 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
9355 * see.c (see_initialize_data): Ditto.
9356 * final.c (rest_of_clean_state) Added regstack_completed.
9357 * rtl.h (regstack_completed): Ditto.
9358 * reg-stack.c (regstack_completed): Ditto.
9360 2006-05-19 Mike Stump <mrs@apple.com>
9362 * c-tree.h (default_conversion): Remove.
9363 * c-common.h (default_conversion): Add.
9365 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
9367 * tree-vrp.c (valid_value_p): New function.
9368 (adjust_range_with_scev): Fail if the value of bound is not
9371 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9373 * config/mips/linux-unwind.h: Include <asm/unistd.h>
9374 (mips_fallback_frame_state): Use syscall numbers to determine
9375 the appropriate li instruction for the current ABI. Only use
9376 __NR_sigreturn for o32.
9378 2006-05-19 Nicolas Setton <setton@adacore.com>
9380 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
9381 * langhooks.c (lhd_dwarf_name): New function.
9382 * langhooks-def.h (lhd_dwarf_name): Declare.
9383 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
9384 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
9386 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9388 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
9390 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
9391 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
9392 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
9393 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
9394 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
9395 determine the size of Wtype, etc.
9396 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
9397 (swfloatfuncs): New variable.
9398 (dwfloatfuncs): Likewise.
9399 (lib2funcs): Remove floating-point conversion functions from
9400 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
9401 the set of conversion routines needed. Allow entries to specify
9402 an object name, filename and word size. Update users accordingly.
9403 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
9404 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
9408 2006-02-08 Roger Sayle <roger@eyesopen.com>
9411 * config/fixtfdi.c: New libgcc source file.
9412 * config/fixunstfdi.c: New source file.
9413 * config/floatditf.c: New source file.
9414 * config/floatunditf.c: New souce file.
9415 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9416 files above instead of config/mips/_tilib.c.
9417 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9419 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9421 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
9422 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
9424 2006-05-18 Mike Stump <mrs@apple.com>
9426 Fix up vla, vm and [*] sematics.
9432 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
9433 (c_vla_unspec_p): Add.
9434 (c_vla_type_p): Add.
9435 * c-decl.c (struct c_scope): Add had_vla_unspec.
9436 (build_array_declarator): Add support for [*].
9437 (grokdeclarator): Likewise.
9438 (grokparms): Likewise.
9439 (get_parm_info): Likewise.
9440 * c-objc-common.c (c_vla_unspec_p): Likewise.
9441 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
9442 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
9443 typeof when argument is a variably modified type not inside sizeof or alignof.
9444 (c_parser_direct_declarator_inner): Propagate errors.
9445 (c_parser_sizeof_expression): Add support for [*].
9446 (c_parser_parms_declarator): Initialize had_vla_unspec.
9447 (c_parser_parms_list_declarator): Likewise.
9448 * c-typeck.c (c_vla_type_p): Add.
9449 (composite_type): Add support for vla compositing.
9450 (comptypes_internal): Add support for vla compatibility.
9451 (c_expr_sizeof_expr): Evaluate vla arguments.
9452 * tree.c (variably_modified_type_p): Update comment for [*].
9454 2006-05-18 Michael Matz <matz@suse.de>
9457 * config.host: Make assignments to host_xmake_file cumulative.
9458 * config.host (*-darwin*): Test $host, not $target.
9460 2006-05-12 Stuart Hastings <stuart@apple.com>
9462 * config/i386/i386.opt (-mstackrealign): New flag.
9463 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9464 (ix86_handle_cconv_attribute): Emit error when
9465 force_align_arg_pointer attribute collides with too many regparms.
9466 (ix86_function_regparm): Limit regparms when used with
9467 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9468 Support stack-realigning prologue in non-main functions. Emit
9469 warning for nested functions under -mstackrealign, emit error for
9470 nested functions with force_align_arg_pointer attribute.
9471 * doc/extend.texi (force_align_arg_pointer): Document it.
9472 * doc/invoke.texi (-mstackrealign): Document it.
9474 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9476 PR rtl-optimization/27477
9477 * combine.c (try_combine): Don't split a parallel consisting
9478 of two sets into two individual sets if both sets reference
9481 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9483 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9484 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9486 * doc/options.texi (VarExists): Updated.
9488 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9490 * unwind-dw2.c: Add declarations for uw_update_context and
9492 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9493 detected, advance frame state and context once to skip over stub.
9495 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9499 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9500 Call rewrite_into_loop_closed_ssa only when something changed.
9501 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9502 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9503 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9504 Test for perfect_nest_p here. Fix formating.
9505 (replace_uses_equiv_to_x_with_y): Fix formating.
9506 (stmt_uses_op): Removed.
9507 (can_convert_to_perfect_nest): Removed loopivs parameter.
9508 Complete the test by checking the scalar dependences.
9509 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9512 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9515 From Dan Kegel <dank@kegel.com>:
9516 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9518 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9520 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9521 if the element type is variably modified without recursing.
9523 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9526 * tree-loop-linear.c (try_interchange_loops): Test for
9527 no data dependences.
9529 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9531 PR tree-optimization/27548
9532 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9533 range of ssa names that appear on abnormal edges.
9534 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9535 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9537 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9540 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9542 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9545 * tree.h (OMP_PARALLEL_COMBINED): Define.
9546 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9547 (new_omp_context): Add is_combined_parallel argument.
9548 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9549 new_omp_context caller.
9550 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9551 Adjust gimplify_scan_omp_clauses callers.
9552 (omp_is_private): Issue errors if iteration variable is firstprivate
9553 or reduction in the current context.
9554 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9555 on combined parallel workshare constructs.
9557 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9559 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9560 (gcc-options.o): New rule.
9562 * optc-gen.awk: Protect variables for gcc-options.o with
9563 #ifdef GCC_DRIVER/#endif.
9565 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9567 Fix PR tree-optimization/27373
9568 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9569 (forward_propagate_addr_expr): Update call.
9571 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9573 * doc/options.texi: Move the Negative option.
9575 2006-05-16 Richard Guenther <rguenther@suse.de>
9577 PR tree-optimization/22303
9578 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9580 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9581 ccp_fold did not simplify the statement.
9583 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9586 * Makefile.in (GCC_OBJS): New.
9587 (OBJS-common): Add opts-common.o.
9588 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9589 (cpp$(exeext)): Likewise.
9590 (gcc.o): Also depend on opts.h.
9591 (opts-common.o): New.
9593 * common.opt (gcoff): Add Negative(gdwarf-2).
9594 (gdwarf-2): Add Negative(gstabs).
9595 (gstabs): Add Negative(gstabs+).
9596 (gstabs+): Add Negative(gvms).
9597 (gvms): Add Negative(gxcoff).
9598 (gxcoff): Add Negative(gxcoff+).
9599 (gxcoff+): Add Negative(gcoff).
9600 * config/i386/i386.opt (m32): Add Negative(m64).
9601 (m64): Add Negative(m32).
9603 * doc/options.texi: Document the Negative option.
9605 * gcc.c: Include "opts.h".
9606 (main): Call prune_options after expandargv.
9608 * optc-gen.awk: Generate common declarations for all flag
9609 variables in options.c. Output the neg_index field.
9611 * opts.c (find_opt): Moved to ...
9612 * opts-common.c: Here. New file.
9614 * opts.h (cl_option): Add a neg_index field.
9616 (prune_options): Likewise.
9618 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9621 * omp-low.c (expand_omp_parallel): Don't assert
9622 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9623 instead search for it.
9626 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9629 2006-05-16 Andreas Schwab <schwab@suse.de>
9631 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9634 2006-05-15 Roger Sayle <roger@eyesopen.com>
9637 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9638 integer constants other than zero are only legitimate on TARGET_64BIT.
9639 <CONST_VECTOR> Only zero vectors are legitimate.
9640 (ix86_cannot_force_const_mem): Integral and vector constants can
9641 always be put in the constant pool.
9643 2006-05-16 DJ Delorie <dj@redhat.com>
9645 * crtstuff.c (__dso_handle): Set section from
9646 TARGET_LBIGCC_SDATA_SECTION if defined.
9647 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9648 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9650 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9653 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9656 2006-05-16 Ben Elliston <bje@au.ibm.com>
9658 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9660 2006-05-15 Per Bothner <per@bothner.com>
9662 * tree.c: (last_annotated_node): Use source_locus typedef.
9663 This permits bootstrapping with --enable-mapped-location.
9665 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9667 PR tree-optimization/26830
9668 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9669 (info_for_ssa_name, current_info_for_ssa_name_age,
9670 blocks_to_update): New variables.
9671 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9672 (clear_ssa_name_info, initialize_flags_in_bb,
9673 mark_block_for_update): New functions.
9674 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9675 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9676 prepare_def_site_for): Use mark_block_for_update.
9677 (mark_def_interesting): Assert that the processed block is marked in
9678 blocks_to_update. Do not take blocks argument.
9679 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9681 (rewrite_update_init_block, rewrite_update_stmt): Only process
9682 blocks with statements to rewrite.
9683 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9684 (update_ssa): Initialize and free blocks_to_update. Do not
9685 clear flags on statements. Do not use blocks bitmap.
9686 * tree.h (SSA_NAME_AUX): Removed.
9687 (struct tree_ssa_name): Removed aux field.
9688 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9690 2006-05-15 Richard Guenther <rguenther@suse.de>
9692 PR tree-optimization/27603
9693 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9694 Do computations in original type.
9696 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9698 * see.c: Code style changes such as redundant paranthesis,
9699 redundant intialization of local variables etc.
9700 (see_main): Declared now as static.
9701 * doc/invoke.texi: Update that -fsee is not enabled by
9704 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9706 * omp-low.c (check_omp_nesting_restrictions): New function.
9707 (scan_omp_1): Call it.
9710 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9711 construct, return *VAR.
9713 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9715 PR rtl-optimization/27406
9716 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9719 2006-05-14 Roger Sayle <roger@eyesopen.com>
9721 PR rtl-optimization/27538
9722 * combine.c (expand_compound_operation): Call gen_lowpart
9723 before calling simplify_shift_const.
9725 2006-05-14 Roger Sayle <roger@eyesopen.com>
9727 PR rtl-optimization/22563
9728 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9729 a fixed width bitfield, always force the intermediates into psuedos.
9731 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9734 * mkconfig.sh: Use operator = instead of == for test.
9736 2006-05-13 Nick Clifton <nickc@redhat.com>
9738 * dwarf2out.c (dbx_reg_number): Check return value from
9739 LEAF_REG_REMAP and only use it if it is valid.
9740 (multiple_reg_loc_descriptor): Likewise.
9742 2006-05-13 Richard Guenther <rguenther@suse.de>
9744 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9747 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9749 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9750 information attached to non-INSNs such as NOTEs.
9751 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9753 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9755 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9757 * config/s390/s390.md: Adjust comment describing On constraint.
9759 2006-05-11 Jan Hubicka <jh@suse.cz>
9761 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9762 to be output at -O0.
9764 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9767 * fold-const.c (size_binop): Move sanity check for arguments to
9768 the beginning of the function.
9771 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9774 2006-05-11 Richard Guenther <rguenther@suse.de>
9777 * fold-const.c (fold_unary): Handle intermediate conversion
9778 to a pointer type like intermediate conversion to an integer
9779 type in folding of (T1)(T2)var to var.
9780 Match the code to the comment in the final conversion for
9781 (T1)(T2)var to (T1)var regarding to type precision. Rather
9782 than disallow T1 being of pointer type, assert that both T1
9783 and var are of pointer type or not. Make sure not to fall
9784 over the frontends lazyness wrt array to pointer decay though.
9786 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9788 * arm.c (arm_struct_value_rtx): Delete.
9789 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9790 (arm_init_cumulative_args): Always initialize nregs to zero.
9792 2006-05-10 Richard Guenther <rguenther@suse.de>
9794 PR tree-optimization/27532
9795 * tree-object-size.c (plus_expr_object_size): Fix typo.
9797 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9800 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9801 ashrdi_const, ashrdi3): Use a scratch register.
9803 2006-05-10 Richard Guenther <rguenther@suse.de>
9805 PR tree-optimization/27302
9806 * fold-const.c (operand_equal_p): For two comparisons,
9807 try comparison of one comparison code swapped if that yields
9810 2006-05-10 Ben Elliston <bje@au.ibm.com>
9812 * tree-pretty-print.c (pretty_print_string): No need to handle
9813 '\0' as a special character.
9815 * tree.h: Include "hashtab.h".
9816 (iterative_hash_expr): Use hashval_t in its prototype.
9817 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9819 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9822 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9823 (hppa*64*-*-hpux11*): Ditto.
9824 (hppa[12]*-*-hpux11*): Ditto.
9826 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9829 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9831 2006-05-09 Michael Matz <matz@suse.de>
9833 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9834 host_extra_gcc_objs and host_xmake_file.
9835 (<*-*-linux*>): Don't overwrite host_xmake_file.
9836 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9837 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9838 (host_detect_local_cpu): Declare.
9839 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9840 * config/i386/i386.c (override_options): Handle -mtune=native
9842 * config/i386/x-i386: New file.
9843 * config/i386/driver-i386.c: New file.
9844 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9847 2006-05-09 Dirk Mueller <dmueller@suse.de>
9848 Richard Guenther <rguenther@suse.de>
9851 * fold-const.c (fold_read_from_constant_string): Relax check
9852 for matching types to matching modes.
9854 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9856 PR rtl-optimization/27335
9857 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9860 2006-05-08 Chao-ying Fu <fu@mips.com>
9861 Richard Sandiford <richard@codesourcery.com>
9863 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9864 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9865 * config/mips/mips.md (UNSPEC_SCC): New constant.
9866 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9867 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9868 (mips_emit_compare): Use it.
9869 (mips_expand_vcondv2sf): New function.
9871 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9873 Fix PR tree-optimization/27093
9874 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9875 renaming when they become not-used_alone.
9877 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9879 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9880 relocation and relocation stubs.
9882 2006-05-08 Eric Christopher <echristo@apple.com>
9884 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9887 2006-05-08 Jan Hubicka <jh@suse.cz>
9890 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9891 unused static functions are needed.
9893 2006-05-08 Roger Sayle <roger@eyesopen.com>
9896 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9897 of a reg_equiv_constant if the result is a legitimate constant.
9899 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9902 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9903 standard 80387 constants, raise the cost to prevent
9904 compress_float_constant() to generate load from memory.
9906 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9908 * config/arm/constraints.md (c): Fix a typo.
9910 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9913 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9916 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9918 (_mm_mwait): Likewise.
9920 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9922 (sse3_monitor): Make it 32bit only.
9923 (sse3_monitor64): New. 64bit monitor.
9925 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9928 * config/i386/i386.c (classify_argument): Skip fields with invalid
9931 2006-05-07 Richard Guenther <rguenther@suse.de>
9933 PR tree-optimization/27409
9934 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9935 Do not try to find zero-sized subvars.
9937 2006-05-07 Richard Guenther <rguenther@suse.de>
9939 PR tree-optimization/27136
9940 * tree-ssa-loop-niter.c (get_val_for): Correct function
9941 comment, assert requirements.
9942 (loop_niter_by_eval): Stop processing if the iterated
9943 value did not simplify.
9945 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9947 * opts.c (flag_see): remove its setting at -O3.
9949 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9951 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9952 * arm/constraints.md: New file.
9953 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9954 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9955 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9956 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9957 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9958 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9959 * arm.md: Include constraints.md.
9960 (thumb_movsi_insn): Use satisfies_constraint_J.
9961 (movhi, movqi): Use satisfies_constraint_I.
9963 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9965 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9966 for atmeg a645 device.
9968 2006-05-06 Richard Guenther <rguenther@suse.de>
9970 PR tree-optimization/27151
9971 * tree-vect-transform.c (vectorizable_condition): Punt on
9972 values that have a different type than the condition.
9974 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9977 * c-parser.c (c_parser_cast_expression): Only insert casts into
9978 hash table if pointer.
9979 * function.c (used_types_insert_helper): Rename from
9981 (used_types_insert): Call used_types_insert_helper.
9982 * function.h (used_types_insert): Accept only one argument.
9984 2006-05-05 David Edelsohn <edesohn@gnu.org>
9986 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9987 scratch with output modifier.
9989 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9992 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9993 with output modifier.
9995 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9998 * config/mips/mips.c (mips_symbolic_address_p): Return true
9999 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
10000 SYMBOL_GOTTPREL, and SYMBOL_TLS.
10002 2006-05-04 Richard Guenther <rguenther@suse.de>
10004 PR tree-optimization/14287
10005 PR tree-optimization/14844
10006 PR tree-optimization/19792
10007 PR tree-optimization/21608
10008 PR tree-optimization/27090
10009 * tree-ssa-pre.c (try_combine_conversion): New function.
10010 (compute_avail): After constructing the value-handle
10011 expression, use try_combine_conversion to combine NOP_EXPRs
10012 with previous value-handle expressions and use the result if it
10015 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
10017 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
10019 2006-05-04 Jan Hubicka <jh@suse.cz>
10021 PR middle-end/25962
10022 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
10024 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
10026 * config/bfin/predicates.md (const01_rtx): Tell generator programs
10027 that this only matches CONST_INTs. All users changed to VOIDmode
10030 * config/bfin/bfin.c: Include "optabs.h".
10031 (bfin_rtx_costs): Some costs for vector operations, to allow combine
10033 (enum bfin_builtins): Add a number of fractional and vector builtins.
10034 (bfin_init_builtins): Likewise.
10035 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
10036 (safe_vector_operand, bfin_expand_binop_builtin,
10037 bfin_expand_unop_builtin): New functions.
10038 (bfin_expand_builtin): Handle the new builtins.
10039 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
10042 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
10045 * Makefile.in (OBJS-common): Add see.o.
10046 (see.o): Add dependencies.
10047 * common.opt (fsee): New flag for the see optimization was added.
10048 * opts.c (flag_see): Initialized.
10049 * passes.c (init_optimization_passes, pass_see): New pass.
10050 * rtl.h (see_main): Declaration as extern.
10051 * timevar.def (TV_SEE): New.
10052 * tree-pass.h (pass_see): Declaration as extern.
10053 * invoke.texi (-fsee): Document.
10054 * recog.c (validate_simplify_insn): New function.
10055 * recog.h (validate_simplify_insn): Declaration as extern.
10056 * df-problems.c (df_chain_dump): Check for NULL.
10058 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
10059 Daniel Berlin <dberlin@dberlin.org>
10061 * cfgrtl.c (insert_insn_bb_end_new): New function.
10062 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
10064 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
10066 * df.h (struct web_entry): Moved from web.c.
10067 (union_defs): Declaration as extern.
10068 (unionfind_root): Likewise.
10069 (unionfind_union): Likewise.
10070 * web.c (struct web_entry): Moved to df.h.
10071 (unionfind_root): Remove static declaration.
10072 (unionfind_union): Likewise.
10073 (union_defs): Likewise and generalize to use callback function.
10074 (web_main): Update arguments for union_defs function call.
10076 2006-05-04 Richard Guenther <rguenther@suse.de>
10078 PR tree-optimization/26447
10079 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
10080 produce SSA_NAME copies before the store stmt to avoid
10081 breaking exception handling.
10083 2006-05-04 Jakub Jelinek <jakub@redhat.com>
10085 PR middle-end/27388
10086 * gimplify.c (omp_is_private): If var is shared in some outer context,
10087 return false instead of true. Stop searching on parallel context
10090 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
10093 * coverage.c: Use get_gcov_unsigned_t() instead of
10094 unsigned_type_node all over.
10096 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
10098 PR tree-optimization/27381
10099 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
10100 maintain the same immediate_use links.
10101 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
10102 node rather than segfaulting.
10104 2006-05-03 Jakub Jelinek <jakub@redhat.com>
10107 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
10108 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
10109 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
10111 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
10113 Fix PR tree-optimization/26626
10114 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
10116 * tree-ssa-operands.c (access_can_touch_variable): Allow
10117 typecasting through union pointers.
10119 2006-05-02 Jakub Jelinek <jakub@redhat.com>
10122 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
10123 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
10124 to find if var will be a global variable even in the nested context.
10125 (omp_copy_decl): Only check for global variable at the end, it might
10126 be overridden in outer contexts.
10127 (scan_sharing_clauses): For global variables don't create a field.
10128 (lower_rec_input_clauses): Do nothing for global shared variables.
10129 Emit a barrier at the end of ILIST if there were any decls in both
10130 firstprivate and lastprivate clauses.
10131 (lower_send_clauses): Do nothing for global variables except for
10134 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
10136 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
10137 of the correct signedness is returned.
10139 2006-05-02 Jeff Law <law@redhat.com>
10141 PR tree-optimization/27364
10142 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
10143 multiply expressions.
10145 2006-05-02 Tom Tromey <tromey@redhat.com>
10147 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
10149 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
10152 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
10153 -mthumb -fPIC are used.
10155 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
10156 Joshua Kinard <kumba@gentoo.org>
10159 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
10160 with 64-bit pointers.
10162 2006-05-02 Paul Brook <paul@codesourcery.com>
10164 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
10166 (create_fix_barrier): Check that a suitable barrier location is
10168 (arm_reorg): Include ftmp->address in allowable range of addresses.
10170 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
10173 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
10176 2006-05-02 Jakub Jelinek <jakub@redhat.com>
10178 PR middle-end/27337
10179 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
10180 around RESULT_DECL for result passed by reference.
10181 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
10182 * omp-low.c (use_pointer_for_field): Don't look at
10183 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
10184 (scan_omp_1): Call remap_decl on RESULT_DECLs.
10185 (lower_rec_input_clauses): Don't allocate VLA memory for the second
10186 time or var for passing by reference for
10187 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
10188 TREE_ADDRESSABLE variables when passing by reference.
10190 * omp-low.c (dump_omp_region): Fix output formatting.
10192 PR middle-end/27328
10193 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
10194 (expand_omp_parallel): Likewise.
10195 * tree-cfg.c (move_sese_region_to_fn): Likewise.
10197 PR middle-end/27325
10198 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
10199 on statement list containing also constructors and destructors.
10200 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
10202 PR middle-end/27310
10203 * except.c (duplicate_eh_regions): Fix clearing of
10204 cfun->eh->region_array entries.
10206 2006-05-01 DJ Delorie <dj@redhat.com>
10208 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
10210 (gcc_cv_objdump): Likewise.
10211 * configure: Regenerated.
10213 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
10216 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
10217 templates for case 3 and 4.
10219 2006-05-01 DJ Delorie <dj@redhat.com>
10221 * vec.c: Include bconfig.h when appropriate.
10222 * Makefile.in (build/vec.o): Adjust dependencies.
10223 * mkconfig.sh: Make sure config.h isn't used for build machine
10226 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10228 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
10230 (mark_phi_for_rewrite): New function.
10231 (insert_phi_nodes_for, mark_use_interesting): Call
10232 mark_phi_for_rewrite.
10233 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
10234 (update_ssa): Initialize and free phis_to_rewrite.
10236 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10238 PR rtl-optimization/27291
10239 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
10240 folded to a constant.
10242 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10244 PR tree-optimization/27283
10245 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
10246 not whole # of iteration descriptions.
10247 (niter_for_exit): Return just # of iterations. Fail if # of iterations
10248 uses abnormal ssa name.
10249 (niter_for_single_dom_exit): Ditto.
10250 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
10251 return just the number of iterations.
10253 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10255 PR tree-optimization/27144
10256 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
10257 (record_estimate): Only record constant upper bound.
10258 (infer_loop_bounds_from_undefined): Call
10259 compute_estimated_nb_iterations just once.
10260 (proved_non_wrapping_p): Renamed to ...
10261 (n_of_executions_at_most): ... this. Expect bound to be a constant.
10262 (convert_step_widening, scev_probably_wraps_p): Call
10263 n_of_executions_at_most instead of proved_non_wrapping_p.
10264 (substitute_in_loop_info): Do not replace values in bounds.
10265 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
10268 2006-05-01 Richard Henderson <rth@redhat.com>
10271 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
10272 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
10275 2006-05-01 Roger Sayle <roger@eyesopen.com>
10277 * c-typeck.c (parser_build_binary_op): Don't call the function
10278 unsigned_conversion_warning to spot operand/result type overflow.
10279 (build_binary_op): Instead, call convert_and_check instead of
10280 convert to report the problem when the operands are promoted.
10281 * c-common.c (unsigned_conversion_warning): Make static.
10282 * c-common.h (unsigned_conversion_warning): Delete prototype.
10284 2006-05-01 Richard Guenther <rguenther@suse.de>
10286 PR tree-optimization/26726
10287 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
10289 (find_interesting_uses_address): ... we work around here
10290 by folding INDIRECT_REFs in the substituted base.
10292 2006-05-01 Diego Novillo <dnovillo@redhat.com>
10294 * omp-low.c (dump_omp_region): Add newlines.
10296 2006-04-30 Roger Sayle <roger@eyesopen.com>
10298 * common.opt (Woverflow): New command line option.
10299 * c-common.c (constant_expression_warning): Check warn_overflow.
10300 (overflow_waring): Pass OPT_Woverflow to warning.
10301 (unsigned_conversion_warning): Likewise.
10302 (convert_and_check): Likewise.
10303 * doc/invoke.texi: Document new command line option.
10305 2006-04-30 David Edelsohn <edelsohn@gnu.org>
10307 * config/rs6000/rs6000.c (rs6000_override_options): Enable
10308 TARGET_NO_FP_IN_TOC for section anchors.
10309 (optimization_options): Enable section anchors for all
10310 non-"Objective" languages.
10312 2006-04-28 Eric Christopher <echristo@apple.com>
10314 * config/darwin-c.c (darwin_ms_struct): Move this
10315 (darwin_set_default_type_attributes): and this...
10316 * config/darwin.c: ... here.
10317 * config/darwin.h (darwin_ms_struct): Declare.
10319 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
10321 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
10323 2006-04-28 Roger Sayle <roger@eyesopen.com>
10326 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
10327 (push_array_bounds): Delete prototype. Change BOUNDS argument to
10328 an unsigned HOST_WIDE_INT.
10329 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
10331 (really_start_incremental_init): No need to call convert because
10332 bitsize_zero_node is already of type bitsizetype.
10333 (push_init_level): Extract the value of constructor_index as an
10334 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
10335 (process_init_element): Likewise.
10337 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
10339 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
10340 value before passing to make_relative_prefix.
10342 2006-04-28 Alan Modra <amodra@bigpond.net.au>
10344 PR middle-end/27260
10345 * builtins.c (expand_builtin_memset): Expand val in original mode.
10347 2006-04-27 Eric Christopher <echristo@apple.com>
10349 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
10350 with #ifndef/#endif.
10351 * config/darwin-c.c (darwin_ms_struct): New.
10352 (darwin_pragma_ms_struct): Ditto.
10353 (darwin_set_default_type_attributes): Ditto.
10354 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
10355 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
10356 Register ms_struct pragma.
10357 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
10358 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
10359 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
10360 darwin_set_default_type_attributes if TARGET_MACHO.
10362 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
10364 PR tree-optimization/26854
10365 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
10366 * doc/tree-ssa.texi: Update immuse iterator documentation.
10367 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
10368 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
10369 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
10370 first_safe_imm_use, next_safe_imm_use): Remove.
10371 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
10372 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
10373 (move_use_after_head): New. Helper function to sort immuses in a stmt.
10374 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
10375 (first_imm_use_stmt): New. Get first stmt in an immuse list.
10376 (next_imm_use_stmt): New. Get next stmt in an immuse list.
10377 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
10378 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
10379 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
10380 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
10381 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
10382 (perfect_nestify): Use new iterator.
10383 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
10385 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
10386 (next_imm_name): New field in struct immediate_use_iterator_d.
10387 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
10388 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
10389 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
10390 * tree-cfg.c (replace_uses_by): Use new iterator.
10391 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
10392 * tree-ssa-operands.c (correct_use_link): Remove.
10393 (finalize_ssa_use_ops): No longer call correct_use_link.
10395 2006-04-27 Stuart Hastings <stuart@apple.com>
10397 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
10398 * config/t-darwin (crt3.o): Use it.
10399 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
10400 'pmode', use Pmode instead of SImode for SYMBOL_REF.
10401 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
10402 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
10403 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
10406 2006-04-27 Roger Sayle <roger@eyesopen.com>
10408 * expmed.c (store_fixed_bit_field): If we're not optimizing for
10409 size, force the intermediate into a new pseudo rather instead of
10410 performing both a bitwise AND and a bitwise IOR in memory.
10412 2006-04-27 Richard Guenther <rguenther@suse.de>
10414 PR rtl-optimization/26685
10415 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
10416 this one "max-flow-memory-locations".
10418 2006-04-27 Richard Guenther <rguenther@suse.de>
10420 PR tree-optimization/25148
10421 * tree-vrp.c (compare_values): Remove code dealing with
10422 comparisons against type min/max value. Honour overflow
10423 and negative constants in code dealing with comparisons
10424 of plus and minus expressions.
10425 (value_inside_range): Use fold_binary with LE_EXPR and
10426 GE_EXPR rather than compare_values.
10428 2006-04-27 Dirk Mueller <dmueller@suse.de>
10430 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
10433 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
10435 * basic-block.h (safe_insert_insn_on_edge): Removed.
10436 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
10438 2006-04-26 David Edelsohn <edelsohn@gnu.org>
10439 Paolo Bonzini <bonzini@gnu.org>
10441 PR middle-end/27282
10442 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
10443 (simplify_and_const_int): Same.
10445 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
10447 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
10449 2006-04-26 Jakub Jelinek <jakub@redhat.com>
10452 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
10453 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
10454 cgraph_global_info_ready.
10456 PR middle-end/26913
10457 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
10460 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
10461 either decl or init is error_mark_node.
10463 PR middle-end/25989
10464 * tree-flow.h (struct omp_region): Add sched_kind.
10465 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10466 instead of extracting omp for data.
10467 (expand_omp_for): Save extracted sched_kind.
10469 2006-04-25 Roger Sayle <roger@eyesopen.com>
10471 * expmed.c (store_bit_field): Also check whether the bitsize is
10472 valid for the machine's "insv" instruction before moving the
10473 target into a pseudo for use with the insv.
10474 * config/i386/predicates.md (const8_operand): New predicate.
10475 * config/i386/i386.md (extv, extzv, insv): Use the new
10476 const8_operand predicate where appropriate.
10478 2006-04-25 DJ Delorie <dj@redhat.com>
10480 * doc/install.texi (Specific): Clarify that this is not a list of
10481 supported hosts or targets.
10483 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10485 PR rtl-optimization/26725
10486 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10487 block's BB_DIRTY flag.
10489 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10491 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10494 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10495 to print an integer.
10497 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10499 * varasm.c (align_variable): New function.
10500 (get_block_for_decl): Apply align_variable to DECL before
10501 calculating section information.
10502 (assemble_variable): Split out alignment computation.
10504 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10506 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10509 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10511 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10512 MODE_PARTIAL_INT mode.
10513 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10514 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10516 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10517 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10519 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10521 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10523 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10524 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10525 MACFLAG_IH): Likewise.
10526 (movstricthi_1): Renamed from "*movstricthi".
10527 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10528 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10529 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10530 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10531 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10532 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10533 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10534 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10535 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10536 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10537 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10538 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10539 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10540 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10541 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10543 * doc/rtl.texi (ss_ashift): Improve wording.
10545 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10547 * dwarf2out.c (verify_marks_clear): New.
10548 (prune_unused_types): Call verify_marks_clear initially, not
10551 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10553 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10554 * doc/rtl.texi: Document them.
10555 * simplify-rtx.c (simplify_unary_operation,
10556 simplify_binary_operation_1): Don't abort when we see them.
10558 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10561 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10562 * configure.ac: Completely disregard languages that are not
10564 * configure: Regenerated.
10566 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10567 Richard Guenther <rguenther@suse.de>
10569 PR tree-optimization/27236
10570 * tree-inline.c (copy_body_r): Make sure to copy
10571 TREE_THIS_VOLATILE flag.
10573 2006-04-24 Richard Guenther <rguenther@suse.de>
10575 PR middle-end/26869
10576 * tree-complex.c (update_parameter_components): Don't handle
10577 unused parameters which have no default def.
10579 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10580 Richard Guenther <rguenther@suse.de>
10582 PR tree-optimization/27218
10583 * tree-inline.c (expand_call_inline): Strip useless type
10584 conversions for the return slot address.
10586 2006-04-24 Richard Guenther <rguenther@suse.de>
10588 * cfgloop.h (struct loops): Remove unused field array. Reorder
10590 (LOOP_PREFETCH): Remove.
10592 2006-04-24 Richard Guenther <rguenther@suse.de>
10594 PR tree-optimization/22525
10595 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10596 variable, adjust types of generated expressions.
10598 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10600 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10601 (tree-vect-patterns.o): Likewise.
10602 (jump.o): Likewise.
10603 (cselib.o): Likewise.
10604 (loop-doloop.o): Likewise.
10605 (regclass.o): Likewise.
10606 (reload1.o): Likewise.
10607 (explow.o): Replace target.h with $(TARGET_H).
10608 (ipa-prop.o): Likewise.
10609 (ipa-cp.o): Likewise.
10610 (ipa-inline.o): Likewise.
10611 (reorg.o): Likewise.
10612 (reg-stack.o): Likewise.
10614 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10616 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10618 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10620 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10622 * configure.ac: Completely disregard languages that are not
10624 * configure: Regenerated.
10627 * c-common.h (c_build_bitfield_integer_type): Declare.
10628 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10629 * c-common.c (c_build_bitfield_integer_type): ... here.
10631 2006-04-23 Roger Sayle <roger@eyesopen.com>
10634 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10635 a SImode SUBREG of a floating point register after no_new_pseudos.
10637 2006-04-23 Roger Sayle <roger@eyesopen.com>
10639 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10640 identify potentially eliminable registers to additionally catch
10641 VIRTUAL_INCOMING_ARGS_REGNUM.
10642 (addsi3): Update the conditions on when to use addsi_small_int.
10644 2006-04-23 Roger Sayle <roger@eyesopen.com>
10647 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10648 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10649 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10651 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10653 * fold-const.c (range_predecessor): Use operand_equal_p
10654 as the predicate for equality.
10655 (range_successor): Likewise.
10657 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10660 * config/soft-fp/op-common.h: Fix a typo.
10662 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10664 PR libmudflap/26864
10665 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10666 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10668 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10670 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10672 * doc/tm.texi: Fix a typo.
10674 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10676 * dwarf2out.c (struct die_struct): Document that die_sib makes
10677 a circular linked list.
10678 (FOR_EACH_CHILD): New.
10679 (reverse_die_lists): Delete.
10680 (reverse_all_dies): Delete.
10681 (add_dwarf_attr): Correct documentation.
10682 (remove_child_with_prev): New.
10683 (remove_child_TAG): Update for change to die_struct, use
10684 remove_child_with_prev.
10685 (add_child_die): Update for change to die_struct.
10686 (splice_child_die): Use remove_child_with_prev and add_child_die.
10687 (print_die): Use FOR_EACH_CHILD.
10688 (die_checksum): Likewise.
10689 (assign_symbol_names): Likewise.
10690 (output_location_lists): Likewise.
10691 (build_abbrev_table): Likewise.
10692 (calc_die_sizes): Likewise.
10693 (mark_dies): Likewise.
10694 (unmark_dies): Likewise.
10695 (unmark_all_dies): Likewise.
10696 (output_die): Likewise.
10697 (prune_unused_types_mark): Likewise.
10698 (prune_unused_types_walk): Likewise.
10699 (same_die_p): Update for change to die_struct.
10700 (break_out_includes): Likewise.
10701 (prune_unused_types_prune): Likewise.
10702 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10703 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10704 it's already clear.
10705 (dwarf2out_finish): Don't call reverse_all_dies.
10707 2006-04-21 Eric Christopher <echristo@apple.com>
10709 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10710 in comments and function names.
10712 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10715 * c-typeck.c (digest_init): Robustify.
10717 * c-typeck.c (pop_init_level): Simplify.
10719 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10721 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10723 2006-04-21 Paul Brook <paul@codesourcery.com>
10725 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10726 hardware floating point.
10728 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10730 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10733 2006-04-21 Nick Clifton <nickc@redhat.com>
10735 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10738 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10741 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10742 C++ lang type in traceback table for Objective-C++.
10744 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10746 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10748 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10750 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10753 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10754 were errors. Remove check for erroneous objects.
10756 2006-04-20 Jeff Law <law@redhat.com>
10758 PR tree-optimization/26854
10759 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10760 checking for zero or one use.
10761 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10762 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10763 * tree-ssa-reassoc.c (negate_value): Similarly.
10764 (reassociate_bb): Similarly.
10766 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10768 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10769 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10770 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10772 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10774 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10775 fp regs if the last fp arg doesn't fit in regs.
10777 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10780 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10781 that the last insn has the REG_INC note.
10783 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10784 Nathan Sidwell <nathan@codesourcery.com>
10787 * stor-layout.c (update_alignment_for_field): Do not align
10789 (place_union_field): Place union field at the start of the union.
10790 (place_field): Move ERROR_MARK check later, and use the current
10791 allocation position to maintain monotonicity.
10793 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10795 * dominance.c: Include timevar.h.
10796 (calculate_dominance_info): Use TV_DOMINANCE.
10797 * timevar.def (TV_DOMINANCE): New timevar.
10798 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10800 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10802 PR rtl-optimization/14261
10803 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10804 move would be an INSV insn.
10805 (noce_process_if_block): Don't optimize if the destination is a
10806 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10808 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10810 * config/s390/s390.md: Add comments with the instructions emitted
10811 by an insn pattern if macros are used.
10813 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10815 PR rtl-optimization/26026
10816 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10817 is a known power of two shifted left a variable amount.
10819 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10821 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10822 to hash table twice when the debug_str section has SECTION_MERGE.
10824 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10826 * config/soft-fp: New directory. From glibc.
10827 * config/soft-fp/t-softfp: New.
10828 * config/soft-fp/README: New.
10829 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10830 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10831 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10832 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10833 * config.gcc: Use rs6000/t-fprules-fpbit or
10834 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10836 * config/rs6000/sfp-machine.h: New. Based on glibc.
10837 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10839 * config/rs6000/t-fprules: Remove fp-bit rules.
10840 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10841 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10842 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10843 (softfp_wrap_start, softfp_wrap_end): New.
10845 2006-04-18 DJ Delorie <dj@redhat.com>
10847 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10849 2006-04-18 Devang Patel <dpatel@apple.com>
10851 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10853 2006-04-18 Nick Clifton <nickc@redhat.com>
10855 * config/sh/t-symbian: Add rule to build sh-c.o
10856 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10857 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10858 (sh_symbian_encode_section_info): Likewise.
10860 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10862 * builtins.c (expand_builtin_strcmp): Cover label definition of
10863 do_libcall with HAVE_cmpstrnsi.
10865 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10867 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10869 * function.h (temp_slot_p): New.
10870 (function): Change the type of x_used_temp_slots to
10871 VEC(temp_slot_p,gc) *.
10873 2006-04-18 Nick Clifton <nickc@redhat.com>
10875 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10876 flag_strength_reduce.
10878 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10880 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10884 Partial revert of revision 112637
10885 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10886 Dale Johannesen <dalej@apple.com>
10889 * regclass.c (struct reg_pref): Update documentation.
10890 (regclass): Set prefclass to NO_REGS if memory is the best option.
10891 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10893 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10895 PR tree-optimization/26821
10896 * tree-ssa-math-opts.c (get_constant_one): New.
10897 (insert_reciprocals): Use it.
10899 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10901 * dwarf2out.c (free_AT): Delete.
10902 (remove_AT): Update string ref counts.
10903 (remove_child_TAG): Don't call free_die.
10904 (free_die): Delete.
10905 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10906 or DW_TAG_GNU_EINCL.
10907 (prune_unused_types_walk_attribs): Reset string refcounts.
10908 (prune_unused_types_update_strings): New.
10909 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10910 call free_die. Do call prune_unused_types_update_strings.
10911 (prune_unused_types): Empty debug_str_hash.
10913 2006-04-17 Roger Sayle <roger@eyesopen.com>
10915 * expr.c (expand_assignment): Optimize away no-op moves where the
10916 source and destination are equal and have no side-effects.
10918 2006-04-17 Richard Guenther <rguenther@suse.de>
10921 * reload.c (push_reload): Guard calls to get_secondary_mem
10922 for memory subregs.
10924 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10926 * alias.c (reg_base_value, old_reg_base_value): Change the
10927 type to VEC(rtx,gc) *.
10928 (REG_BASE_VALUE, find_base_value, record_set,
10929 init_alias_analysis): Use VEC instead of VARRAY.
10931 * alias.c (alias_sets): Change the type to
10932 VEC(alias_set_entry,gc) *.
10933 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10934 VEC instead of VARRAY.
10935 (last_alias_set): Remove.
10937 * cgraph.h (cgraph_edge_p): New.
10938 Update the prototype of cgraph_function_versioning.
10939 * cgraphunit.c (cgraph_copy_node_for_versioning,
10940 cgraph_function_versioning): Use VEC instead of VARRAY.
10941 * ipa-cp.c (ipcp_insert_stage): Likewise.
10943 2006-04-16 Roger Sayle <roger@eyesopen.com>
10946 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10947 "A op B" or "A op C", we may need to convert A to the type of B and C.
10949 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10951 * target.h (struct gcc_target): Add mode_rep_extended.
10952 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10953 (init_num_sign_bit_copies_in_rep): Initialize it using
10955 (truncate_to_mode): Use it.
10956 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10957 * targhooks.h (default_mode_rep_extended): Declare it.
10958 * targhooks.c (default_mode_rep_extended): Define it.
10959 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10960 default_mode_rep_extended.
10961 (TARGET_INITIALIZER): Include it.
10962 * doc/tm.texi (Misc): Document it.
10963 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10964 (mips_truncated_to_mode): New function.
10966 2006-04-16 Roger Sayle <roger@eyesopen.com>
10968 PR middle-end/25474
10969 * expr.c (compress_float_constant): Copy the narrow constant into
10970 a new pseudo before extending it to its final width.
10972 2006-04-16 Roger Sayle <roger@eyesopen.com>
10973 Andrew Pinski <pinskia@gcc.gnu.org>
10974 Dale Johannesen <dalej@apple.com>
10977 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10978 special case code to implement V8HImode and V16QImode with SSE2.
10980 2006-04-15 Roger Sayle <roger@eyesopen.com>
10982 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10983 trees are constructed with a suitable tree type.
10985 2006-04-15 Roger Sayle <roger@eyesopen.com>
10987 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10988 (integer_onep): Likewise.
10989 (integer_all_onesp): Likewise.
10990 (integer_pow2p): Likewise.
10991 (integer_nonzerop): Likewise.
10992 (real_zerop): Likewise.
10993 (real_onep): Likewise.
10994 (real_twop): Likewise.
10995 (real_minus_onep): Likewise.
10996 (int_size_in_bytes): Likewise.
10997 (host_integerp): Likewise.
10999 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
11001 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
11002 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
11003 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
11005 * tree-ssa-structalias.h (alias_info): Remove num_references.
11007 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11009 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
11010 (output_bvb patterns): Likewise.
11011 * pa.c (output_bb): Use 'bb' insn for long branch case.
11012 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
11013 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
11014 1. Correct length operand for alternatives 1 and 2.
11015 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
11016 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
11018 2006-04-14 Roger Sayle <roger@eyesopen.com>
11020 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
11021 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
11022 were accidentally reverted by r112959.
11024 2006-04-15 Jakub Jelinek <jakub@redhat.com>
11026 PR middle-end/26823
11027 * except.h (eh_region_outermost): New prototype.
11028 * except.c (eh_region_outermost): New function.
11029 * tree-cfg.c (find_outermost_region_in_block): Use it.
11031 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
11033 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
11035 * reload1.c (reg_equiv_memory_loc_varray): Rename to
11036 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
11037 (init_reload, reload): Use VEC instead of VARRAY.
11038 * reload.h: Update the prototype for
11039 reg_equiv_memory_loc_varray.
11041 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
11042 Eric Botcazou <ebotcazou@libertysurf.fr>
11044 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
11045 register save area.
11047 2005-04-13 Uros Bizjak <uros@kss-loka.si>
11049 PR middle-end/27134
11050 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
11051 to expand fallback builtin function call.
11053 2006-04-14 Alan Modra <amodra@bigpond.net.au>
11055 PR middle-end/27095
11056 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
11057 and emit libcall here in case the builtin fails.
11058 (expand_builtin_strcmp): Always emit the libcall here on failure.
11060 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
11062 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
11063 * flow.c (reg_n_info): Change the type to
11064 VEC(reg_info_p,heap) *.
11065 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
11067 * regs.h (reg_info_p): New.
11068 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
11069 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
11070 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
11073 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
11075 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
11077 * params.h (MAX_SCHED_READY_INSNS): New macro.
11078 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
11079 past MAX_SCHED_READY_INSNS during the first scheduling pass.
11080 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
11081 the ready list for 1 cycle during the first scheduling pass.
11082 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
11084 2006-04-13 Richard Henderson <rth@redhat.com>
11087 * gimple-low.c (lower_omp_directive): Remove dead code.
11088 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
11089 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
11090 * omp-low.c (struct omp_region): Move to tree-flow.h.
11091 (root_omp_region): Export.
11092 (omp_regions, lookup_omp_region): Remove.
11093 (determine_parallel_type): Update for struct omp_region changes.
11094 (dump_omp_region): Dump regions with block numbers.
11095 (new_omp_region): Take type and block instead of stmt; malloc
11097 (free_omp_region_1, free_omp_regions): New.
11098 (expand_parallel_call): Take entry_stmt as argument; update for
11099 changes to omp_region.
11100 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
11101 (remove_exit_barriers): New.
11102 (expand_omp_parallel): Update for struct omp_region changes.
11103 (expand_omp_synch): Likewise.
11104 (expand_omp): Likewise.
11105 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
11106 (expand_omp_for_static_chunk): Likewise.
11107 (expand_omp_for): Likewise.
11108 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
11109 (expand_omp_sections): Similarly, with GOMP_sections_end.
11110 (expand_omp_single): New.
11111 (build_omp_regions_1): Update for OMP_CONTINUE.
11112 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
11113 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
11114 OMP_SECTIONS_SECTIONS.
11115 (lower_omp_single_simple): Don't emit barrier here.
11116 (lower_omp_single_copy): Likewise.
11117 (lower_omp_single): Fix bindings, and lower to straightline now.
11118 (lower_omp_master, lower_omp_ordered): Likewise.
11119 (lower_omp_critical): Likewise.
11120 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
11121 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
11122 omp edges, free it afterward.
11123 (make_omp_sections_edges): Remove.
11124 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
11125 (move_stmt_r): Handle OMP_CONTINUE.
11126 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
11127 statement pointers to basic blocks. Add type member.
11128 (root_omp_region, new_omp_region, free_omp_regions): Declare.
11129 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
11130 * tree-inline.c (estimate_num_insns_1): Likewise.
11131 * tree-pretty-print.c (dump_generic_node): Likewise.
11132 * tree-ssa-operands.c (get_expr_operands): Likewise.
11133 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
11134 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
11135 (OMP_CONTINUE): New.
11136 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
11137 (OMP_SECTIONS_SECTIONS): Remove.
11138 (OMP_SECTION_LAST): New.
11139 (OMP_RETURN_NOWAIT): New.
11141 2006-04-13 Roger Sayle <roger@eyesopen.com>
11143 * fold-const.c (native_encode_vector, native_interpret_real):
11144 Correct obvious mistakes in the previous check-in.
11146 2006-04-13 Roger Sayle <roger@eyesopen.com>
11148 * fold-const.c (native_encode_expr): New function to encode
11149 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
11150 or VECTOR_CST into a specified buffer.
11151 (native_encode_int): New function.
11152 (native_encode_real): New function.
11153 (native_encode_complex): New function.
11154 (native_encode_vector): New function.
11155 (native_interpret_expr): Inverse of native_encode_expr to convert
11156 a target representation into an INTEGER_CST, REAL_CST etc...
11157 (native_interpret_int): New function.
11158 (native_interpret_real): New function.
11159 (native_interpret_complex): New function.
11160 (native_interpret_vector): New function.
11161 (fold_view_convert_expr): New function to constant fold/evaluate
11162 a VIEW_CONVERT_EXPR of a suitable constant expression.
11163 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
11164 Change call of build1 to fold_build1 when constructing a
11167 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
11168 Ulrich Weigand <uweigand@de.ibm.com>
11171 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
11174 2006-04-13 Alan Modra <amodra@bigpond.net.au>
11177 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
11178 optimize to lo_sum for DFmode if !TARGET_FPRS.
11180 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
11182 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
11183 delete_alias_info, compute_flow_sensitive_aliasing,
11184 group_aliases): Use VEC instead of VARRAY.
11185 * tree-ssa-structalias.c (update_alias_info): Likewise.
11186 * tree-ssa-structalias.h (alias_info): Change the type of
11187 processed_ptrs to VEC(tree,heap) *.
11189 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
11192 * config/sh/lib1funcs.h: New file, broken out of:
11193 * config/sh/lib1funcs.asm.
11194 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
11196 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
11197 * config/sh/lib1funcs-Os-4-200.asm: New file.
11198 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
11199 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
11200 (EXTRA_MULTILIB_PARTS): Include it.
11201 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
11202 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
11203 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
11204 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
11207 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
11209 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
11210 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
11211 tpa_compact, root_var_init, type_var_init): Use VEC instead of
11213 * tree-ssa-live.h: Include vecprim.h.
11214 (tree_partition_associator_d): Change the type of
11215 first_partition to VEC(int,heap) *.
11216 (tpa_first_partition): Use VEC instead of VARRAY.
11218 * Makefile.in (GTFILES): Move functions.h after tree.h.
11219 * function.c (reset_block_changes, record_block_change,
11220 check_block_change, free_block_changes): Use VEC instead of
11222 * function.h (function): Change the type of
11223 ib_boundaries_block to VEC(tree,gc) *.
11224 * tree-inline.c (copy_cfg_body): Initialize
11225 ib_boundaries_block to NULL instead of (varray_type) 0.
11227 2006-04-12 Roger Sayle <roger@eyesopen.com>
11229 * expr.c (emit_group_store): Correct operand order in call to
11230 subreg_lowpart_offset. Always create paradoxical SUBREGs with
11231 a SUBREG_BYTE of zero.
11233 2006-04-12 Richard Guenther <rguenther@suse.de>
11235 * profile.c (compute_branch_probabilities): Remove code
11236 encapsulated in !ir_type (), which are remanents of the
11237 removed RTL profiling code.
11238 * rtl-profile.c: Remove.
11240 2006-04-12 Alan Modra <amodra@bigpond.net.au>
11242 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
11243 magic NULL_RTX comment.
11244 (function_arg): Store entire fp arg to mem if any part should go
11246 (rs6000_arg_partial_bytes): Adjust for above change.
11248 2006-04-11 Roger Sayle <roger@eyesopen.com>
11250 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
11251 if it hasn't been initialized by dwarf2out_init.
11253 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
11255 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
11256 symbolic constants in branch patterns.
11258 2006-04-11 Roger Sayle <roger@eyesopen.com>
11260 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
11262 2006-04-11 Richard Sandiford <richard@codesourcery.com>
11264 PR rtl-optimization/27073
11265 * gcse.c (try_replace_reg): Revert last change. Continue to search
11266 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
11269 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
11271 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
11272 aggregate types other than record and union types.
11273 (function_arg): Likewise.
11274 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
11276 (function_value): In 64-bit mode, return objects that require it
11279 2006-04-11 Roger Sayle <roger@eyesopen.com>
11281 * dwarf2out.c (premark_used_types): Remove problematic prototype.
11283 2006-04-11 Jakub Jelinek <jakub@redhat.com>
11285 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
11287 2006-04-03 Jeff Law <law@redhat.com>
11290 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
11291 alias information too.
11293 2006-04-10 Mike Frysinger <vapier@gentoo.org>
11295 * Makefile.in (gcc-cross): Add $(exeext) to target name.
11297 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
11300 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
11301 (premark_used_types_helper): New.
11302 (premark_used_types): New.
11303 (gen_subprogram_die): Call premark_used_types.
11304 (prune_unused_types_walk): Do not prune perennial dies.
11305 * function.c (used_types_insert): New.
11306 * function.h (struct function): Add used_types_hash field.
11307 (used_types_insert): Add prototype.
11308 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
11309 * c-parser.c (c_parser_cast_expression): Save casted types in used
11312 2006-04-11 Mark Mitchell <mark@codesourcery.com>
11315 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
11316 rs6000_explicit_options.float_gprs.
11318 2006-04-10 Roger Sayle <roger@eyesopen.com>
11320 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
11321 from ix86_expand_vector_init_low_nonzero. Take an additional
11322 one_var argument indicating which element is non-zero. Support
11323 one_var != 0 for V4SFmode and V4SImode by permuting the result.
11324 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
11325 with one_var instead of ix86_expand_vector_init_low_nonzero.
11327 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
11329 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
11330 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
11331 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
11332 build/genextract.o): Depend on vecprim.h.
11333 * cfglayout.c, df-problems.c, function.c, genextract.c,
11334 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
11335 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
11339 2006-04-10 Geoffrey Keating <geoffk@apple.com>
11341 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
11342 Declare VECs of this type.
11343 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
11344 (remove_children): Delete.
11345 (add_dwarf_attr): Use VEC routines.
11346 (add_AT_flag): Update for changes to add_dwarf_attr.
11347 (add_AT_int): Likewise.
11348 (add_AT_unsigned): Likewise.
11349 (add_AT_long_long): Likewise.
11350 (add_AT_vec): Likewise.
11351 (add_AT_string): Likewise.
11352 (add_AT_die_ref): Likewise.
11353 (add_AT_fde_ref): Likewise.
11354 (add_AT_loc): Likewise.
11355 (add_AT_loc_list): Likewise.
11356 (add_AT_addr): Likewise.
11357 (add_AT_lbl_id): Likewise.
11358 (add_AT_lineptr): Likewise.
11359 (add_AT_macptr): Likewise.
11360 (add_AT_offset): Likewise.
11361 (add_AT_range_list): Likewise.
11362 (get_AT): Use VEC_iterate.
11363 (remove_AT): Use VEC_ordered_remove.
11364 (free_die): Fold remove_children into here; have it use VEC_iterate.
11365 (print_die): Use VEC_iterate on attrs.
11366 (reverse_die_lists): Don't reverse attr lists.
11367 (die_checksum): Use VEC_iterate on attrs.
11368 (same_die_p): Likewise.
11369 (output_location_lists): Likewise.
11370 (build_abbrev_table): Likewise.
11371 (size_of_die): Likewise.
11372 (unmark_all_dies): Likewise.
11373 (output_abbrev_section): Likewise.
11374 (output_die): Likewise.
11375 (prune_unused_types_walk_attribs): Likewise.
11377 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11379 * doc/install.texi (*-*-solaris2*): Point to the configure page.
11381 2006-04-10 Jakub Jelinek <jakub@redhat.com>
11384 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
11386 2006-04-09 Roger Sayle <roger@eyesopen.com>
11388 * expr.c (store_constructor): Don't bother clearing target if
11389 we're about to assign a vector to it using vec_init_optab.
11391 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
11393 * tree-ssa-alias.c (lhs_may_store_to): New function.
11394 (recalculate_used_alone): Handle LHS of calls.
11396 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11400 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
11401 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
11402 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
11403 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
11404 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
11405 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
11406 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
11407 stubs. Add ".align 8" directives before all ".dword" directives.
11408 (GTHREAD_USE_WEAK): Revise comment.
11409 (TARGET_ATTRIBUTE_WEAK): Define.
11410 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
11411 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
11412 * stublib.c: New file.
11417 * pa.md (cbranch patterns): Revise arguments used in calls to
11418 output_cbranch, output_bb and output_bvd. Add long branch length
11420 (fbranch patterns): Handle long branches.
11421 (jump): Revise length check. Revise arguments for output_lbranch call.
11422 Add long branch length attributes.
11423 (decrement_and_branch_until_zero): Add long branch length attributes.
11424 (output_movb, output_parallel_addb and output_parallel_movb patterns):
11425 Likewise. Revise arguments for output_parallel_addb and
11426 output_parallel_movb calls.
11427 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
11428 output_parallel_movb and output_parallel_addb): Update prototypes.
11429 * pa.c (output_cbranch): Revise arguments. Correct handling of
11430 nullification in long branches.
11431 (output_lbranch): Add new argument to control extraction of delay
11433 (output_bb): Handle long branches.
11434 (output_bvb, output_dbra, output_movb, output_parallel_movb,
11435 output_parallel_addb): Likewise.
11437 2006-04-09 Richard Sandiford <richard@codesourcery.com>
11439 PR rtl-optimization/27073
11440 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
11443 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
11445 * tree.h (tree_memory_tag): Add old_used_alone.
11446 (SMT_OLD_USED_ALONE): New macro.
11447 * tree-ssa-alias.c (recalculate_used_alone): Stop
11448 marking things for renaming unnecessarily.
11450 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
11452 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11453 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
11454 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
11455 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
11456 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
11457 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
11458 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
11459 spelling convensions.
11460 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
11461 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11462 typos. Follow spelling conventions.
11464 2006-04-07 DJ Delorie <dj@redhat.com>
11466 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11467 passed on the stack.
11468 (m32c_init_cumulative_args): When a function returns a structure,
11469 always pass the pointer to that return area on the stack.
11470 (m32c_function_arg_advance): Don't increment the parameter number
11471 if we're processing the returned structure pointer.
11472 (pushm_info): Reverse order of registers.
11474 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11476 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11477 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11478 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11479 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11480 build_int_cst_type.
11481 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11482 chrec_fold_multiply): Same.
11483 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11484 force_expr_to_var_cost): Same.
11485 * tree-mudflap.c (mf_xform_derefs_1): Same.
11486 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11488 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11490 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11491 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11494 2006-04-07 Jan Hubicka <jh@suse.cz>
11496 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11498 2006-04-07 Richard Guenther <rguenther@suse.de>
11500 PR tree-optimization/26135
11501 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11502 loads for store copy-prop.
11503 (copy_prop_visit_stmt): Likewise.
11505 2006-04-05 Robert Millan <robertmh@gnu.org>
11507 * config/i386/linux.h: Add a comment to mark macros that are
11508 being overriden in config/k*bsd-gnu.h.
11509 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11511 * config/knetbsd-gnu.h: Ditto.
11513 2006-04-06 Jan Hubicka <jh@suse.cz>
11517 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11520 2006-04-06 Mike Stump <mrs@apple.com>
11522 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11523 for HAVE_nonlocal_goto to be consistent.
11524 (expand_builtin_nonlocal_goto): Likewise.
11525 (expand_builtin_strcmp): Use #ifdef instead of #if
11526 for HAVE_cmpstrnsi to be consistent.
11528 2006-04-05 DJ Delorie <dj@redhat.com>
11530 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11533 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11535 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11536 got-relative addressing for anything but SImode.
11538 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11539 even if the calling function doesn't modify them.
11541 2006-04-05 Richard Guenther <rguenther@suse.de>
11543 PR tree-optimization/26919
11544 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11545 to cgraph_estimate_size_after_inlining.
11547 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11549 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11551 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11553 PR tree-optimization/26996
11554 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11555 VECTOR_TYPE variables.
11557 2006-04-05 Richard Guenther <rguenther@suse.de>
11559 PR tree-optimization/26763
11560 * fold-const.c (fold_comparison): Move folding of
11561 PTR + CST CMP PTR + CST ...
11562 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11564 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11566 * doc/install.texi (Prerequisites): Refine some wording on
11567 bootstrapping and ksh.
11568 Move the version numbers of DejaGnu here from the testing section
11569 and fix casing of names.
11570 Fix markup and clarify wording for autogen requirements.
11571 Refer to GCJ instead of just java.
11572 Refer to SVN instead of CVS.
11573 Describe diffutils as useful instead of necessary.
11574 (Downloading the source): Refer to SVN instead of CVS.
11575 Adjust a link to our web site accordingly.
11576 (Configuration): Fix casing of Bison.
11577 (Building): Refer to SVN instead of CVS.
11578 Fix a sentence on the use of Bison and remove duplicate (and
11579 incorrect) version number of Bison requirement.
11580 Remove one redundant list of packages needed for building.
11581 (Specific): Avoid reference to CVS.
11583 2006-04-04 Eric Christopher <echristo@apple.com>
11585 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11586 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11587 (rs6000_handle_struct_attribute): New.
11588 (rs6000_ms_bitfield_layout_p): Ditto.
11590 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11592 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11593 NULL for dso parameter to atexit_common.
11595 2006-04-04 Eric Christopher <echristo@apple.com>
11597 * config/i386/i386.c (machopic_output_stub): Output \t
11598 between instructions and operands.
11600 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11602 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11603 satisfies_constraint_[IL] to explicit tests on value.
11605 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11607 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11608 set_nb_iterations_in_loop): Use build_int_cst instead of
11609 build_int_cst_type.
11610 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11611 build_int_cst instead of convert.
11613 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11615 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11616 new value 2 for incoming.
11617 * function.c (expand_function_start): Call struct_value_rtx
11618 with incoming as 2.
11619 * config/sparc/sparc.md: Comment updated_return.
11620 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11621 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11622 struct return if sparc_std_struct_return and incoming is 2.
11623 (print_operand): Do not adjust return if
11624 sparc_std_struct_return.
11626 2006-04-04 Roger Sayle <roger@eyesopen.com>
11628 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11629 convert in the middle-end.
11630 * expr.c (store_expr, store_constructor, get_inner_reference,
11631 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11633 * tree.c (build_range_type): Likewise.
11635 2006-04-04 Tom Tromey <tromey@redhat.com>
11637 * doc/install.texi (Prerequisites): Mention jar.
11639 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11641 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11644 2006-04-04 Matthias Klose <doko@debian.org>
11646 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11650 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11653 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11655 * doc/extend.texi (Function Attributes): Rewrite visibility
11656 attribute documentation.
11657 * doc/invoke.texi (C++ Dialect Options): Rewrite
11658 -fvisibility-inlines-hidden documentation to describe something
11659 entirely different, although in practise compatible.
11660 (Code Gen Options): Warn about system headers in -fvisibility=
11663 * doc/extend.texi (Other Builtins): Document that
11664 __builtin_nan is a compile-time constant only when its argument
11667 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11669 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11670 trying to remove TRUNCATE check if all bits outside the new mode
11671 are identical to the sign bit.
11673 2006-04-03 Jeff Law <law@redhat.com>
11675 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11676 and operand scanning in some common cases.
11678 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11679 Dale Johannesen <dalej@apple.com>
11682 * regclass.c (struct reg_pref): Update documentation.
11683 (regclass): Set prefclass to NO_REGS if memory is the best option.
11684 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11685 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11686 into account. For non-registers, equate an empty preferred
11687 reload class to a `!' in the constraint; move the if clause to
11688 do so after those that reject the insn.
11689 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11691 (find_dummy_reload): Likewise.
11692 * doc/tm.texi (Register Classes): Document what it means
11693 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11694 * config/i386/i386.c (ix86_preferred_reload_class): Force
11695 using SSE registers (and return NO_REGS for floating-point
11696 constants) if math is done with SSE.
11697 (ix86_preferred_output_reload_class): New.
11698 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11699 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11700 * config/i386/i386.md: Remove # register preferences.
11702 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11705 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11706 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11707 the type of nb_iter.
11708 (instantiate_parameters_1): Convert the operands before calling
11709 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11710 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11712 2006-04-02 Roger Sayle <roger@eyesopen.com>
11714 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11715 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11716 instead of convert.
11717 * dojump.c (do_jump): Likewise.
11718 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11719 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11720 gimplify_boolean_expr): Likewise.
11721 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11722 * varasm.c (array_size_for_constructor): Likewise.
11723 * tree-object-size.c (compute_object_offset): Likewise.
11725 2006-04-02 Roger Sayle <roger@eyesopen.com>
11727 PR middle-end/26977
11728 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11729 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11731 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11733 PR tree-optimization/26939
11734 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11736 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11738 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11739 at_stmt. Convert the type of operands before calling
11740 build_polynomial_chrec.
11741 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11742 add_to_evolution_1.
11743 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11744 (instantiate_parameters_1): Convert the type of operands before calling
11745 build_polynomial_chrec.
11746 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11747 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11748 reset_evolution_in_loop): Insert asserts to check the types of the
11750 (chrec_type): Moved...
11751 (eq_evolutions_p): Use operand_equal_p.
11752 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11753 the types of the operands.
11754 (chrec_type): ...here.
11755 * tree-data-ref.c (create_data_ref): Convert the operands before
11756 calling chrec_replace_initial_condition.
11757 (same_access_functions, analyze_subscript_affine_affine,
11758 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11759 (compute_subscript_distance, analyze_ziv_subscript,
11760 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11761 analyze_miv_subscript): Convert the operands before calling
11762 chrec_fold_minus or chrec_fold_plus.
11764 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11766 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11767 the dependence_relations vector.
11768 (compute_data_dependences_for_loop): Adjust call to
11769 compute_all_dependences.
11771 2006-04-01 Roger Sayle <roger@eyesopen.com>
11772 Richard Henderson <rth@redhat.com>
11774 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11775 gimple_boolify on the condition before calling gimplify_expr.
11777 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11779 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11780 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11781 the frame size. Update to use the new macros.
11782 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11783 * config/xtensa/ieee754-df.S: Likewise.
11785 2006-03-31 Richard Henderson <rth@redhat.com>
11787 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11788 (make_edges): ... here. Control fallthru creation with a local
11789 variable. Do not play with fake edges.
11790 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11791 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11794 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11796 * dwarf2.h (DW64_CIE_ID): Define.
11797 * dwarf2out.c (DWARF_CIE_ID): Define.
11798 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11799 length header. Use DWARF_CIE_ID.
11800 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11801 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11803 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11805 * config/sh/linux-atomic.asm: New file.
11806 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11808 2006-03-31 DJ Delorie <dj@redhat.com>
11810 * config/m32c/cond.md: Set condition flags properly throughout.
11811 * config/m32c/minmax.md: Likewise.
11812 * config/m32c/prologue.md: Likewise.
11813 * config/m32c/bitops.md: Likewise.
11814 * config/m32c/muldiv.md: Likewise.
11815 * config/m32c/mov.md: Likewise.
11816 * config/m32c/addsub.md: Likewise.
11817 * config/m32c/m32c.md: Likewise.
11818 * config/m32c/jump.md: Likewise.
11819 * config/m32c/shift.md: Likewise.
11821 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11822 conditionally output the pattern for this.
11823 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11824 (m32c_compare_redundant): New.
11825 (m32c_output_compare): New.
11826 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11828 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11829 dest, not src. Allow other 4-byte modes.
11831 2006-03-30 Denis Chertykov <denisc@overta.ru>
11833 * doc/md.texi: Refer to avr/constraints.md instead of
11836 2006-03-30 Roger Sayle <roger@eyesopen.com>
11838 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11839 signed vs. unsigned comparison failures on some hosts.
11841 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11844 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11845 change to FLOAT_REGS.
11847 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11848 (rs6000_override_options): Use it.
11849 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11850 only for -mabi=spe/no-spe and -mabi=altivec.
11852 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11854 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11857 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11859 * Makefile.in: Rename docdir to gcc_docdir.
11861 2006-03-30 Roger Sayle <roger@eyesopen.com>
11864 * expr.c (emit_group_store): Optimize group stores into a pseudo
11865 register by using a paradoxical subreg to initialize the destination
11866 if the first or last member of the group specifies a "low part".
11868 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11871 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11872 * target.h (struct gcc_target.speculate_insn): Change type of the
11873 second parameter to 'int'.
11874 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11875 the second operand of the DEPS_LIST.
11876 (copy_DEPS_LIST_list): Update reference to the second operand of the
11878 * rtl.h (alloc_DEPS_LIST): Update signature.
11879 * sched-int.h (ds_t): Change typedef to 'int'.
11880 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11882 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11884 * haifa-sched.c (try_ready): Change condition to restore
11885 non-speculative pattern of the instruction.
11886 (process_insn_depend_be_in_spec): Code to keep probability of the
11887 speculative dependence non-decreasing.
11889 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11891 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11892 (single_move_for_movmem): ... this. Also change all uses.
11893 (bfin_expand_strmov): Renamed to...
11894 (bfin_expand_movmem): ... this. Also change all uses.
11895 * config/bfin/bfin.md (movstrsi): Renamed to...
11896 (movstrsi): ...this.
11898 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11900 PR tree-optimization/26830
11902 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11903 (copy_prop_visit_stmt): Remove write-only variable ann.
11904 (init_copy_prop): Check variable loop depth here. Do not simulate
11905 memory-tag and virtual operand PHIs except for store copy prop.
11907 2006-03-30 Richard Guenther <rguenther@suse.de>
11909 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11910 variants with double arguments.
11912 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11914 * genpreds.c (write_tm_constrs_h): Delete variable p.
11915 * genconditions.c (write_header): Add tm-constrs.h to included
11917 * genpeep.c (main): Add toplev.h to included headers.
11918 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11919 (build/genpeep.o): Add toplev.h dependency.
11920 * config/rs6000/constraints.md: Add "W" constraint.
11922 2006-03-29 Roger Sayle <roger@eyesopen.com>
11924 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11925 sizes by correctly testing whether the size fits a host integer.
11926 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11927 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11928 SImode range for the default sizetype and bitsizetype.
11930 2006-03-29 Roger Sayle <roger@eyesopen.com>
11932 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11933 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11934 quickly if the argument is already of the correct type.
11935 Call fold_build1 instead of build1. Tidy up blank lines.
11937 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11939 * genemit.c (main): Add tm-constrs.h to included headers.
11940 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11941 * genpeep.c (main): Add tm-constrs.h to included headers.
11942 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11943 (write_tm_constrs_h): this and write complete file.
11944 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11945 (write_insn_preds_c): Add tm-constrs.h to included headers.
11946 (gen_constrs): New variable.
11947 (parse_option): Parse "-c".
11948 (main): Invoke write_tm_constrs_h.
11949 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11950 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11951 (object_out_file): Add tm-constrs.h dependency.
11952 (insn-emit.o): Same.
11953 (insn-output.o): Same.
11954 (insn-peep.o): Same.
11955 (insn-preds.o): Same.
11956 (insn-recog.o): Same.
11957 (tm-constsr.h): New target.
11958 (s-constrs-h): New target.
11960 * config/rs6000/constraints.md: New file.
11961 * config/rs6000/rs6000.c: Include tm-constrs.h.
11962 (num_insn_constant_wide): Convert to satisfies_constraint.
11963 (rs6000_rtx_costs): Convert to satisfies_constraint.
11964 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11965 (CONST_OK_FOR_LETTER_P): Delete.
11966 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11967 (EXTRA_CONSTRAINT): Delete.
11968 (EXTRA_MEMORY_CONSTRAINT): Delete.
11969 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11970 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11971 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11972 satisfies_constraint.
11974 * config/i386/i386.c: Include tm-constrs.h.
11976 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11978 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11979 * tree-data-ref.c (find_data_references_in_loop,
11980 compute_data_dependences_for_loop): Use pointers to VEC.
11981 (analyze_all_data_dependences): Adjust calls.
11982 * tree-data-ref.h (find_data_references_in_loop,
11983 compute_data_dependences_for_loop): Adjust declarations.
11984 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11985 compute_data_dependences_for_loop.
11987 2006-03-29 Paul Brook <paul@codesourcery.com>
11989 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11990 (movdf_vfp): Ditto.
11992 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11994 PR tree-optimization/26859
11995 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11997 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11998 for the step after fold_convert.
12000 2006-03-29 Paul Brook <paul@codesourcery.com>
12002 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
12003 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
12005 2006-03-29 Paul Brook <paul@codesourcery.com>
12007 PR middle-end/23623
12008 * targhooks.c (default_narrow_bitfield): New fuction.
12009 * targhooks.h (default_narrow_bitfield): add prototype.
12010 * target.h (gcc_target): Add narrow_volatile_bitfield.
12011 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12012 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
12013 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
12014 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12016 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
12018 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
12020 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
12021 (NR_C_MODES): Add TDmode, DDmode and SDmode.
12022 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
12023 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
12024 (s390_function_arg_float): Allow SDmode and DDmode values to be
12025 passed in floating point registers.
12026 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
12027 check with SCALAR_FLOAT_MODE_P.
12028 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
12030 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
12032 PR tree-optimization/25985
12033 * tree-ssa-loop-niter.c (number_of_iterations_le,
12034 number_of_iterations_ne): Make comments more precise.
12035 (number_of_iterations_cond): Add only_exit argument. Use the
12036 fact that signed variables do not overflow only when only_exit
12038 (loop_only_exit_p): New.
12039 (number_of_iterations_exit): Pass result of loop_only_exit_p to
12040 number_of_iterations_cond.
12042 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
12044 PR tree-optimization/26643
12045 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
12048 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
12050 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
12051 (divsi3_i4_int): Likewise.
12053 2006-03-28 Roger Sayle <roger@eyesopen.com>
12055 * expr.c (emit_group_store): Only create a new pseudo reg if the
12056 quantity it needs to hold isn't already a suitable pseudo.
12058 2006-03-28 Jeff Law <law@redhat.com>
12060 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
12061 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
12063 2006-03-28 Roger Sayle <roger@eyesopen.com>
12065 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
12066 the equivalent ~X & Y, and the symmetry related transformations.
12067 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
12068 ~X & Y, and symmetry related transforms.
12070 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12072 Revert my 2006-03-27 patches.
12074 2006-03-28 Roger Sayle <roger@eyesopen.com>
12076 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
12077 ~(T1)X, when T1 and T2 are integer types of the same precision
12078 and (T2)X isn't an extension.
12080 2006-03-28 Jeff Law <law@redhat.com>
12082 PR tree-optimization/26796
12083 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
12084 need EH edge cleanups rather than purging them immediately.
12085 (eliminate_degenerate_phis): Handle queued EH cleanups.
12087 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
12089 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
12092 2006-03-27 Roger Sayle <roger@eyesopen.com>
12094 PR middle-end/22524
12095 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
12096 cast BIT_NOT_EXPR operand to the correct type.
12098 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
12100 * tree-loop-linear.c: Don't include varray.h.
12101 (gather_interchange_stats, try_interchange_loops,
12102 linear_transform_loops): Use VEC instead of VARRAY.
12103 * lambda-mat.c: Don't include varray.h.
12104 * tree-chrec.c: Same.
12105 * lambda-trans.c: Same.
12106 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
12107 VEC instead of VARRAY.
12108 * tree-vectorizer.h: Idem.
12109 * tree-data-ref.c (dump_data_references,
12110 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
12111 initialize_data_dependence_relation, finalize_ddr_dependent,
12112 compute_all_dependences, find_data_references_in_loop,
12113 compute_data_dependences_for_loop, analyze_all_data_dependences,
12114 free_dependence_relation, free_dependence_relations,
12115 free_data_refs): Idem.
12116 * tree-data-ref.h (data_reference_p, subscript_p): New.
12117 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
12118 VEC instead of VARRAY.
12119 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
12120 (find_data_references_in_loop, compute_data_dependences_for_loop,
12121 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
12122 dump_data_dependence_relations, free_dependence_relations,
12123 free_data_refs): Adjust declaration.
12124 (lambda_transform_legal_p): Move declaration here...
12125 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
12126 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
12127 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
12128 vect_analyze_data_refs): Use VEC instead of VARRAY.
12129 * lambda.h (lambda_transform_legal_p): ...from here.
12130 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
12131 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
12132 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
12133 tree-chrec.o): Don't depend on VARRAY_H.
12135 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12137 * rtl.def (Copyright): Update date.
12138 (DEPS_LIST): Change type of the second operand to 'int'.
12139 * target.h (Copyright): Update date.
12140 (struct gcc_target.speculate_insn): Change type of the second parameter
12142 * lists.c (Copyright): Update date.
12143 (alloc_DEPS_LIST): Change signature. Update reference to the second
12144 operand of the DEPS_LIST.
12145 (copy_DEPS_LIST_list): Update reference to the second operand of the
12147 * rtl.h (Copyright): Update date.
12148 (alloc_DEPS_LIST): Update signature.
12149 * sched-int.h (Copyright): Update date.
12150 (ds_t): Change typedef to 'int'.
12151 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12153 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12155 * haifa-sched.c (Copyright): Update date.
12156 (try_ready): Change condition to restore non-speculative pattern
12157 of the instruction.
12158 (process_insn_depend_be_in_spec): Code to keep probability of the
12159 speculative dependence non-decreasing.
12161 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
12163 * regrename.c (replace_oldest_value_addr): Initialize a variable to
12164 shut up the compiler.
12166 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
12168 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
12169 to use lib prefix for target.
12170 ($(T)libic_invalidate_array_4-200.a): Likewise.
12171 ($(T)libic_invalidate_array_4a.a): Likewise.
12173 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
12174 J"orn Rennecke <joern.rennecke@st.com>
12176 * superh.opt: New file.
12177 * sh.c (boardtype, osruntime): Remove.
12178 * superh.h (SUBTARGET_OPTIONS): Remove.
12179 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
12181 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
12182 arguments with ^ and/or [].
12184 * config.gcc (sh-*-*): Add quoting to account for quirk of
12186 Replace == with = in enable_incomplete_targets test.
12188 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
12189 with MASK_LITTLE_ENDIAN.
12191 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
12192 * config/sh/sh.opt: Added to some comments.
12193 * config/sh/superh.h: Removed some chaff.
12195 * config/sh/sh.opt: Add m4-[1234]00* options.
12196 * config/sh/sh.c (sh_handle_option): Likewise.
12197 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
12198 (ic_invalidate_array_4-100.o): New rule.
12199 ($(T)libic_invalidate_array_4-100.a): Likewise.
12200 (ic_invalidate_array_4-200.o): Likewise.
12201 ($(T)libic_invalidate_array_4-200.a): Likewise.
12202 (ic_invalidate_array_4a.o): Likewise.
12203 ($(T)libic_invalidate_array_4a.a): Likewise.
12204 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
12205 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
12207 * config/sh/crt1.asm: Merged in profiling code.
12208 * config/sh/superh.h (STARTFILE_SPEC): Override.
12209 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
12210 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
12211 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
12213 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
12214 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
12215 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
12217 * sh.opt (mpretend-cmove): New option.
12218 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
12219 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
12220 (movsicc): Add TARGET_PRETEND_CMOVE code.
12222 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
12224 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
12225 s390_class_max_nregs): New function prototypes.
12226 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
12227 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
12228 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
12229 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
12231 2006-03-26 Geoffrey Keating <geoffk@apple.com>
12233 * dwarf2out.c (add_location_or_const_value_attribute): Call
12234 tree_add_const_value_attribute if nothing else works.
12235 (reference_to_unused): New.
12236 (rtl_for_decl_init): Use reference_to_unused to decide whether
12237 to output an initializer.
12239 2006-03-27 Alan Modra <amodra@bigpond.net.au>
12242 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
12243 peephole removing spe frob_di_df_2.
12245 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
12247 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
12248 (subscript_dependence_tester_1): Declared.
12249 (print_dir_vectors, print_dist_vectors): New.
12250 (debug_data_dependence_relation): New.
12251 (dump_data_dependence_relation): Print more details.
12252 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
12253 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
12254 (save_dist_v, save_dir_v, add_outer_distances,
12255 build_classic_dist_vector_1): New.
12256 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
12257 Don't test for lambda_vector_lexico_pos.
12258 (same_access_functions, add_multivariate_self_dist,
12259 add_other_self_distances, dir_from_dist): New.
12260 (build_classic_dir_vector): Replace implementation almost identical to
12261 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
12263 (subscript_dependence_tester_1): New.
12264 (subscript_dependence_tester): Handle the lexicographically negative
12265 distance vectors by recomputing the dependence relation.
12266 (compute_affine_dependence): Remove parameter loop_nest_depth.
12267 (compute_self_dependence): Don't call compute_subscript_distance.
12268 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
12269 Add a parameter for the loop_nest.
12270 (find_loop_nest_1, find_loop_nest): New.
12271 (compute_data_dependences_for_loop): Compute the loop nest, and give
12272 up if the nest is not well formed.
12273 * tree-data-ref.h (loop_p): New.
12274 (struct data_dependence_relation): Replace size_vect field with
12275 loop_nest, a vec of loops.
12276 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
12277 (DDR_LOOP_NEST): New.
12278 (print_dir_vectors, print_dist_vectors,
12279 debug_data_dependence_relation): Declared.
12280 (index_in_loop_nest): New.
12281 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
12282 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
12285 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
12287 * simplify-rtx.c (simplify_relational_operation): Call
12288 simplify_relational_operation_1 even if mode is VOIDmode.
12290 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
12292 PR tree-optimization/26804
12293 * tree.h (DECL_CALL_CLOBBERED): New macro.
12294 (tree_decl_common): Add call_clobbered_flag.
12295 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
12296 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
12297 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
12298 (mark_non_addressable): Ditto.
12299 * tree-ssa.c (verify_call_clobbered): New function.
12300 (verify_alias_info): Use it.
12301 * tree-pass.h (pass_reset_cc_flags): New prototype.
12302 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
12303 (reset_cc_flags): New function.
12304 * passes.c (init_optimization_passes): Call reset_cc_flags after
12305 initializing referenced_vars.
12307 2006-03-25 Uros Bizjak <uros@kss-loka.si>
12308 Roger Sayle <roger@eyesopen.com>
12310 PR middle-end/26717
12311 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
12312 to 1.0 for non-real operands. Implement A / A optimization for
12315 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
12317 * config/i386/i386.c (size_cost): Correct the comment for
12318 cost of storing fp registers.
12319 (i386_cost): Likewise.
12320 (i486_cost): Likewise.
12321 (pentium_cost): Likewise.
12322 (pentiumpro_cost): Likewise.
12323 (k6_cost): Likewise.
12324 (athlon_cost): Likewise.
12325 (k8_cost): Likewise.
12326 (pentium4_cost): Likewise.
12327 (nocona_cost): Likewise.
12328 (generic64_cost): Likewise.
12329 (generic32_cost): Likewise.
12331 2006-03-24 Denis Chertykov <denisc@overta.ru>
12333 * config/avr/avr-protos.h (extra_constraint): Delete.
12334 (extra_constraint_Q): New declaration.
12335 * config/avr/constraints.md: New file.
12336 * config/avr/avr.md: Include it.
12337 (REG_X, REG_Y, REG_Z, REG_W): New constants.
12338 (TMP_REGNO, ZERO_REGNO): Likewise.
12339 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
12340 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
12341 (extra_constraint): Delete.
12342 (extra_constraint_Q): Test for memory constraint 'Q'.
12343 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
12344 (REG_CLASS_FROM_LETTER): Delete.
12345 (CONST_OK_FOR_LETTER_P): Delete.
12346 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12347 (EXTRA_CONSTRAINT): Delete.
12348 (TMP_REGNO): Delete.
12349 (ZERO_REGNO): Delete.
12351 2006-03-24 Jeff Law <law@redhat.com>
12353 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
12354 directly. Call mark_new_vars_to_rename slightly earlier.
12356 2006-03-24 Geoffrey Keating <geoffk@apple.com>
12358 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
12359 (is_cxx): Likewise.
12360 (gen_compile_unit_die): Use new language types for Objective-C and
12362 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
12363 DW_LANG_C_plus_plus.
12366 * config/t-darwin (crt3.o): Work around bug 26840.
12367 * config/darwin-crt3.c: Rewrite.
12368 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
12370 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
12372 * doc/invoke.texi: Document -femit-class-debug-always
12373 * common.opt: Add -femit-class-debug-always.
12375 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
12377 * config/s390/s390.c (s390_decompose_address): Allow SImode for
12378 index and base register.
12379 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
12380 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
12381 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
12382 REGNO_OK_FOR_INDEX_P.
12383 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
12385 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
12386 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
12387 REG_OK_FOR_BASE_P): Definitions removed.
12389 2006-03-24 Jakub Jelinek <jakub@redhat.com>
12391 PR middle-end/26611
12392 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
12393 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
12394 set yet or weren't marked as local yet.
12396 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
12398 * regrename.c (scan_rtx_address): Initialize a variable to shut up
12401 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
12403 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
12404 (rs6000_legitimate_small_data_p): Delete.
12405 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
12406 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
12407 and make static. Add forward declaration. Update uses.
12408 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
12409 of offsettable_memref_p.
12410 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
12411 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
12413 2006-03-24 Jeff Law <law@redhat.com>
12415 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
12416 around bug in immediate-use iterator.
12418 2006-03-24 Alan Modra <amodra@bigpond.net.au>
12421 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
12422 or __LITTLE_ENDIAN__.
12424 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
12426 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
12427 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
12428 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
12429 * config/sh/sh.opt (mdiv=): Amend description.
12430 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
12431 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
12432 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
12433 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
12434 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
12435 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
12436 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
12437 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
12438 TARGET_DIVIDE_CALL_FP.
12440 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12442 * haifa-sched.c (choose_ready): Fix type of the local variable.
12443 Move local variables. Add comment.
12444 (check_reg_live): Change signature. Make callable from debugger.
12445 * sched-int.h (check_reg_live): Update signature.
12446 * sched-ebb.c (check_reg_live): Update parameters.
12447 * sched-rgn.c (check_reg_live): Ditto.
12448 (region_head_or_leaf_p): Check pointer before dereferencing.
12449 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
12450 before reload on optimization levels below 1.
12452 2006-03-23 Richard Henderson <rth@redhat.com>
12454 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
12458 * config/alpha/predicates.md (local_symbolic_operand): Reject
12461 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12464 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12465 expressions which have overflowed constants.
12467 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12469 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12471 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12473 * cfgloopmanip.c (create_loop_notes): Removed.
12474 * final.c (final_scan_insn): Do not handle loop notes.
12475 * jump.c (squeeze_notes): Ditto.
12476 * cfglayout.c (skip_insns_after_block,
12477 duplicate_insn_chain): Ditto.
12478 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12480 * cfgloop.h (create_loop_notes): Declaration removed.
12482 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12484 * varasm.c (output_constant_pool): Restore fnname and fndecl
12486 (assemble_start_function): Adjust call accordingly.
12487 (assemble_end_function): Likewise.
12489 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12492 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12495 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12497 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12500 * system.h (ICE_EXIT_CODE): New macro.
12501 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12502 (diagnostic_action_after_output): Likewise.
12503 * gcc.c (fatal_ice): New function.
12504 (execute): Use it instead of fatal.
12505 (fancy_abort): Likewise.
12506 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12508 2006-03-22 Jeff Law <law@redhat.com>
12510 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12511 iv_analyze_result returning false.
12513 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12515 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12517 2006-03-22 Richard Henderson <rth@redhat.com>
12519 PR middle-end/26084
12520 * except.c (duplicate_eh_regions_0): New.
12521 (duplicate_eh_region_1): Duplicate the children of the node as
12522 well as the node itself. Link them up properly.
12523 (duplicate_eh_region_2): Merge into ...
12524 (duplicate_eh_regions): ... here. Take copy_region argument, and
12525 copy only a sub-tree if asked. Simplify copying and fixup.
12526 (eh_region_outer_p): New.
12527 * except.h (duplicate_eh_regions): Update decl.
12528 (eh_region_outer_p): Declare.
12529 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12530 (lower_omp_master): Likewise.
12531 (lower_omp_ordered): Likewise.
12532 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12533 (move_stmt_r): Use it to remap labels. Handle recursion vs
12534 remap_decls_p properly.
12535 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12536 (find_outermost_region_in_block): New.
12537 (new_label_mapper): New.
12538 (move_sese_region_to_fn): Copy eh information to the new function
12540 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12542 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12545 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12547 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12548 into shared libraries.
12550 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12552 * doc/md.texi: Refer to i386/constraints.md instead of
12553 i386/predicates.md.
12554 * config/i386/constraints.md: New file, extracted from...
12555 * config/i386/predicates.md: ...here.
12556 * config/i386/i386.md: Include constraints.md.
12558 2006-03-21 Jason Merrill <jason@redhat.com>
12560 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12562 PR middle-end/20297
12563 * expr.c (init_block_move_fn): Force default visibility.
12564 (init_block_clear_fn): Likewise.
12565 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12566 * targhooks.c (default_external_stack_protect_fail): Likewise.
12568 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12570 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12571 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12572 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12573 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12574 (loadgp): Use mips_current_loadgp_style.
12575 (loadgp_noshared): New pattern.
12576 (sibcall_internal): Use MIPS_CALL.
12577 (sibcall_value_internal): Likewise.
12578 (sibcall_value_multiple_internal): Likewise.
12579 (call_internal): Likewise.
12580 (call_value_internal): Likewise.
12581 (call_value_multiple_internal): Likewise.
12582 (call_split): Use MIPS_CALL and add an 'S' constraint.
12583 (call_value_split): Likewise.
12584 (call_value_multiple_split): Likewise.
12585 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12586 (-mshared): New option.
12587 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12588 (mips_current_loadgp_style): Declare.
12589 * config/mips/mips.c (mips_classify_symbol): Avoid using
12590 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12591 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12592 TARGET_ABSOLUTE_ABICALLS.
12593 (override_options): Adjust comments. Improve the warning that is
12594 issued when -mabicalls and -G are used together.
12595 (mips_file_start): Remove comment.
12596 (mips_current_loadgp_style): New function.
12597 (mips_gnu_local_gp): New variable.
12598 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12600 (mips_output_function_prologue): Use mips_current_laodgp_style.
12601 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12602 the cprestore instruction.
12603 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12604 live for TARGET_ABSOLUTE_ABICALLS.
12605 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12606 (ASM_SPEC): Pass down -mshared and -mno-shared.
12607 (MIPS_CALL): New macro.
12608 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12610 * doc/invoke.texi (-mabicalls): Update documentation.
12611 (-mshared): Document.
12613 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12615 * config/ia64/unwind-hpux.c: New file.
12616 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12618 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12621 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12623 2006-03-21 Jeff Law <law@redhat.com>
12625 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12626 type conversions of a VR_VARYING source to a wider type.
12628 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12630 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12631 tm_file on Solaris 10 and later.
12632 (sparc64-*-solaris2*): Likewise.
12633 (sparc-*-solaris2*): Likewise.
12634 * config/sol26.h: Rename to config/sol2-6.h.
12635 * config/sol2-10.h: New file.
12637 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12640 * tree-ssa-pre.c (create_component_ref_by_pieces):
12643 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12646 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12647 return it immediately.
12649 2006-03-21 Michael Matz <matz@suse.de>
12651 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12653 (remove_arc, add_arc): Update num_out_arcs member.
12654 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12656 (cache_presence): New function.
12657 (compare_states_for_equiv): New function.
12658 (state_is_differed): Don't take number of outargs, adjust callers.
12659 Use new invariant for speeding up.
12660 (init_equiv_class): Create initial classes based on sorted
12662 (partition_equiv_class): Don't track out_arcs_num.
12663 (evaluate_equiv_classes): Call cache_presence on all states and
12666 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12668 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12669 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12670 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12671 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12673 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12674 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12675 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12676 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12677 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12679 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12680 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12681 (REGNO_REG_CLASS): ARGP is in PREGS.
12682 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12684 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12685 to deal with those addresses.
12686 * addresses.h: New file.
12687 * caller-save.c: Include "addresses.h".
12688 (init_caller_save): Use new base_reg_class function.
12689 * rtl-factoring.c: Include "addresses.h".
12690 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12691 * recog.c: Include "addresses.h".
12692 (preprocess_constraints): Use new base_reg_class function.
12693 * regrename.c: Include "addresses.h".
12694 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12695 functions. Keep track of a new var INDEX_CODE to compute valid
12697 (replace_oldest_value_addr): Likewise.
12698 (replace_oldest_value_mem): Use base_reg_class.
12699 * reload.c: Include "addresses.h".
12700 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12701 (find_reloads): Use new base_reg_class function.
12702 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12703 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12704 all callers and prototype changed.
12705 * reload1.c: Include "addresses.h".
12706 (maybe_fix_stack_asms): Use base_reg_class.
12707 * regclass.c: Include "addresses.h".
12708 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12709 (init_reg_autoinc): Use new base_reg_class function.
12710 (record_reg_classes): Likewise.
12711 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12712 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12713 Use new args to compute necessary class.
12715 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12716 regrename.o, rtl-factoring.o): Update dependencies.
12717 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12718 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12719 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12720 REG_OK_FOR_INDEX_P): Delete documentation.
12722 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12724 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12725 from V7 to V9 for Solaris 7 and above.
12727 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12729 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12730 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12731 argument pointers may not alias any other storage.
12732 * common.opt: Define option -fargument-noalias-anything.
12733 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12734 alias semantics is specified by flag_argument_noalias > 2.
12736 2006-03-20 Jeff Law <law@redhat.com>
12738 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12739 (pass_phi_only_cprop): Declare.
12740 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12741 with phi_only_cprop
12742 * tree-ssa-dom.c (degenerate_phi_result): New function.
12743 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12744 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12745 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12746 (eliminate_degenerate_phis): Likewise.
12747 (pass_phi_only_cprop): New pass descriptor.
12748 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12749 support code. Callers updated.
12750 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12751 (store_copy_prop): Likewise.
12752 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12754 2006-03-20 Jason Merrill <jason@redhat.com>
12757 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12758 (push_visibility, pop_visibility): Likewise.
12759 * c-pragma.h: Declare them.
12761 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12763 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12765 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12766 parameter and use get_ebb_head_tail.
12767 (sh_md_init_global): Adjust uses of find_regmode_weight.
12769 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12771 * function.h (struct function) <x_tail_recursion_reentry>:
12772 Rename to x_stack_check_probe_note.
12773 (tail_recursion_reentry): Rename to stack_check_probe_note.
12774 * function.c: Replace tail_recursion_reentry with
12775 stack_check_probe_note everywhere.
12776 (expand_function_start): Only emit a note for
12777 stack_check_probe_note with -fstack-protect.
12778 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12780 * emit-rtl.c (remove_unnecessary_notes): Remove.
12781 (pass_remove_unnecessary_notes): Remove.
12782 * rtl.h (remove_unnecessary_notes): Remove prototype.
12783 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12784 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12785 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12787 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12790 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12791 (valid_in_set): Handle ARRAY_REF.
12792 Change "if min_variant or VH" to asserts.
12793 (create_component_ref_by_pieces): Handle ARRAY_REF.
12794 (create_expression_by_pieces): Likewise.
12795 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12797 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12799 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12800 is operand of switch, not str[0].
12802 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12804 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12805 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12807 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12809 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12810 end of insn_extra_address_constraint declaration.
12812 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12814 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12815 (no-sum-in-toc): Same.
12816 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12818 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12819 NO_FP_IN_TOC for -fPIC instead of mask.
12821 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12822 (BOOT_LDFLAGS): Delete.
12824 * config/rs6000/t-aix52: Same.
12826 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12827 (stmsi[345678]_power): New.
12829 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12831 * config/ia64/ia64.opt: Add empty line to end of file.
12833 2006-03-17 Richard Guenther <rguenther@suse.de>
12835 PR middle-end/26721
12836 * builtins.c (get_pointer_alignment): For component style references
12837 adjust alignment to the component type alignment. Make sure
12838 to adjust alignment for component access of constants.
12840 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12842 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12843 unconditional jump.
12845 2006-03-17 Paul Brook <paul@codesourcery.com>
12847 * doc/install.texi: Docuemnt --with-mode.
12848 * config.gcc: Add --with-mode for arm*-*-*.
12849 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12851 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12853 * sh.c (max_labelno_before_reorg): New variable.
12854 (sh_reorg): Initialize it.
12855 (find_barrier): Check max_labelno_before_reorg before using
12856 label_to_alignment. Take length of explicit alignment insns
12857 into account. When seeing a UNSPECV_CONST_END, return it.
12859 * sh.c (fixup_mova): Set mode of affected label to QImode.
12860 (untangle_mova): New function.
12861 (find_barrier): Use it. Check mode of label before decrementing
12863 (sh_reorg): Likewise.
12864 Set mode of all insns back to VOIDmode.
12866 * sh.c (MOVA_LABELREF): New macro.
12867 (mova_p, fixup_mova, sh_reorg): Use it.
12868 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12869 ADDR_DIFF_VEC matches mova.
12871 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12873 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12874 with ATTRIBUTE_UNUSED.
12876 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12878 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12879 pointer, instead of assuming it is possible to derive the
12880 correct args size from a call insn.
12882 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12884 * rtl.h (CONST_INT_P): Define.
12885 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12886 instead of GET_CODE(x) == CONST_INT.
12887 (vax_rtx_costs): Likewise.
12888 (vax_output_int_move): Likewise.
12889 (vax_output_int_add): Likewise.
12890 (legitimate_constant_address_p): Likewise.
12891 (index_term_p): Likewise.
12892 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12893 * config/vax/vax.md (and<mode>3): Likewise.
12894 (ashrsi3): Likewise.
12896 (movstricthi): Likewise.
12897 (movstrictqi): Likewise.
12898 (rotrsi3): Likewise.
12899 (five unnamed insns): Likewise.
12901 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12903 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12904 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12905 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12906 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12907 Pass to ASM_OUTPUT_DWARF_OFFSET.
12908 * dwarf2out.c (debug_frame_section): New.
12909 (output_call_frame_info): Use debug_frame_section. Pass it to
12910 dw2_asm_output_offset.
12911 (output_die): Pass appropriate section to dw2_asm_output_offset.
12912 (output_compilation_unit_header): Likewise.
12913 (output_pubnames): Likewise.
12914 (output_aranges): Likewise.
12915 (enum dw_val_class): Break dw_val_class_lbl_offset into
12916 dw_val_class_lineptr and dw_val_class_macptr.
12917 (add_AT_lbl_offset): Delete.
12918 (add_AT_lineptr): New.
12919 (add_AT_macptr): New.
12920 (AT_lbl): Expect a lineptr or macptr.
12921 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12922 (attr_checksum): Likewise.
12923 (same_dw_val_p): Likewise.
12924 (size_of_die): Likewise.
12925 (value_format): Likewise.
12926 (output_die): Likewise.
12927 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12929 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12930 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12931 * config/darwin-protos.h (darwin_file_start): New.
12932 (darwin_asm_output_dwarf_offset): New.
12933 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12934 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12936 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12937 if not EH section; simplify.
12938 (darwin_file_start): New.
12939 (darwin_asm_output_dwarf_offset): New.
12940 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12942 (DEBUG_INFO_SECTION): Likewise.
12943 (DEBUG_ABBREV_SECTION): Likewise.
12944 (DEBUG_ARANGES_SECTION): Likewise.
12945 (DEBUG_MACINFO_SECTION): Likewise.
12946 (DEBUG_LINE_SECTION): Likewise.
12947 (DEBUG_LOC_SECTION): Likewise.
12948 (DEBUG_PUBNAMES_SECTION): Likewise.
12949 (DEBUG_STR_SECTION): Likewise.
12950 (DEBUG_RANGES_SECTION): Likewise.
12951 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12952 (ASM_OUTPUT_DWARF_OFFSET): New.
12954 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12956 * config.gcc (tm_defines): Always add to previous value rather
12959 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12961 * config/mips/predicates.md (splittable_const_int_operand): New,
12962 split from move_operand.
12963 (splittable_symbolic_operand): New.
12964 (move_operand): Add commentary. Use splittable_const_int_operand.
12965 Inline mips_atomic_symbolic_constant_p.
12966 * config/mips/mips.md: Add combine splitters for handling moves
12967 of splittable_const_int_operands and splittable_symbolic_operands.
12968 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12969 (mips_split_symbol): Declare.
12970 (mips_move_integer): Declare.
12971 * config/mips/mips.c (mips_split_p): Make global.
12972 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12973 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12974 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12975 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12976 (mips_offset_within_object_p): Handle block symbols.
12977 (mips_atomic_symbolic_constant_p): Delete.
12978 (mips_cannot_force_const_mem): Return false for constants that
12979 mips_legitimize_move can handle.
12980 (mips_use_blocks_for_constant_p): New function.
12981 (mips_split_symbol): Make global.
12982 (mips_move_integer): Likewise. Add a temporary register argument.
12983 (mips_legitimize_const_move): Use splittable_const_int_operand and
12984 splittable_symbolic_operand.
12985 (mips_use_anchors_for_symbol_p): New function.
12986 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12987 (mips_split_p): Declare.
12989 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12991 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12992 (mips*-*-linux*): Likewise.
12994 2006-03-16 Roger Sayle <roger@eyesopen.com>
12995 Daniel Speyer <dspeyer@wam.umd.edu>
12997 PR middle-end/18259
12998 * tree-dump.c (dump_real): New function.
12999 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
13000 * Makefile.in (REAL_H): New macro for dependencies on real.h.
13001 (tree-dump.o): Add $(REAL_H) to the dependencies.
13003 2006-03-16 Roger Sayle <roger@eyesopen.com>
13005 PR middle-end/21781
13006 * real.c (real_from_string): If the mantissa is zero, don't bother
13007 parsing the exponent as the result should always be zero.
13009 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
13011 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
13013 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13015 * config/ia64/ia64.c (stops_p): Added explicit initialization.
13016 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
13017 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
13018 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
13019 ia64_sched_finish_global): New static functions to implement
13020 hooks from gcc_target.sched.
13021 (spec_check_no, max_uid, pending_data_specs): New static variables.
13022 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
13023 ia64_spec_check_src_p): New static functions.
13024 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
13025 (TARGET_SCHED_ADJUST_COST): Removed.
13026 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
13027 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
13028 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
13029 TARGET_SCHED_GEN_CHECK,
13030 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13031 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
13032 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
13033 Fixed to handle speculation checks.
13034 (rtx_needs_barrier): Fixed to handle speculative loads and
13036 (ia64_variable_issue): Added code to count speculative loads and their
13038 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
13040 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
13042 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
13044 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
13045 (ia64_reorg): Reset stops_p to NULL after it is freed.
13046 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
13047 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
13048 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
13050 (data_speculative, control_speculative, check_load): New attributes.
13051 (mov<mode>_advanced, mov<mode>_speculative,
13052 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
13053 zero_extend<mode>di2_speculative,
13054 zero_extend<mode>di2_speculative_advanced): New patterns for
13055 data and control speculative loads.
13056 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
13058 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
13059 New pattern for data and control speculation checks.
13060 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
13061 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
13062 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
13063 Auxiliary definitions for the patterns.
13064 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
13065 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
13067 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
13069 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
13070 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
13071 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
13072 New resource constraints.
13073 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
13075 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
13076 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
13077 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
13078 msched-in-control-spec, msched-ldc, msched-control-ldc,
13079 msched-spec-verbose, msched-prefer-non-data-spec-insns,
13080 msched-prefer-non-control-spec-insns,
13081 msched-count-spec-in-critical-path): New flags to tune speculative
13083 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
13084 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
13085 msched-in-control-spec, msched-ldc, msched-control-ldc,
13086 msched-spec-verbose, msched-prefer-non-data-spec-insns,
13087 msched-prefer-non-control-spec-insns,
13088 msched-count-spec-in-critical-path): Document new flags.
13090 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13092 * target.h (struct spec_info_def): New opaque declaration.
13093 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
13094 speculate_insn, needs_block_p, gen_check,
13095 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
13096 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
13097 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
13098 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
13099 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13100 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
13102 (TARGET_SCHED): Use new macros.
13103 * rtl.h (copy_DEPS_LIST_list): New prototype.
13104 * sched-int.h (struct sched_info): Change signature of new_ready field,
13105 adjust all initializations. New fields: add_remove_insn,
13106 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
13107 region_head_or_leaf_p.
13108 (struct spec_info_def): New structure declaration.
13109 (spec_info_t): New typedef.
13110 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
13111 recovery_block, orig_pat.
13112 (glat_start, glat_end): New variables declaraions.
13113 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
13115 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
13116 DETACH_LIFE_INFO, USE_GLAT.
13117 (enum SPEC_SCHED_FLAGS): New enumeration.
13118 (NOTE_NOTE_BB_P): New macro.
13119 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
13120 attach_life_info, debug_spec_status, check_reg_live): New functions.
13121 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
13122 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
13124 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
13125 * ddg.c (get_block_head_tail): Adjust all uses.
13126 * modulo-sched.c (get_block_head_tail): Adjust all uses.
13127 (sms_sched_info): Initialize new fields.
13128 (contributes_to_priority): Removed.
13129 * haifa-sched.c (params.h): New include.
13130 (get_block_head_tail): Adjust all uses.
13131 (ISSUE_POINTS): New macro.
13132 (glat_start, glat_end): New global variables.
13133 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
13134 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
13135 old_last_basic_block, before_recovery, current_sched_info_var,
13136 rgn_n_insns, luid): New static variables.
13137 (insn_cost1): New function. Move logic from insn_cost to here.
13138 (find_insn_reg_weight1): New function. Move logic from
13139 find_insn_reg_weight to here.
13140 (reemit_notes, move_insn, max_issue): Change signature.
13141 (move_insn1): Removed.
13142 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
13143 extend_bb): New static functions to support extension of scheduler's
13145 (generate_recovery_code, process_insn_depend_be_in_spec,
13146 begin_speculative_block, add_to_speculative_block,
13147 init_before_recovery, create_recovery_block, create_check_block_twin,
13148 fix_recovery_deps): New static functions to support
13149 generation of recovery code.
13150 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
13151 restore_bb_notes, move_block_after_check, move_succs): New static
13152 functions to support ebb scheduling.
13153 (init_glat, init_glat1, attach_life_info1, free_glat): New static
13154 functions to support handling of register live information.
13155 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
13156 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
13157 add_jump_dependencies): New static functions.
13158 (check_cfg, has_edge_p, check_sched_flags): New static functions for
13159 consistancy checking.
13160 (debug_spec_status): New function to call from debugger.
13161 (priority): Added code to handle speculation checks.
13162 (rank_for_schedule): Added code to distinguish speculative instructions.
13163 (schedule_insn): Added code to handle speculation checks.
13164 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
13165 Fixed to handle ebbs.
13166 (move_insn): Added code to handle ebb scheduling.
13167 (max_issue): Added code to use ISSUE_POINTS of instructions.
13168 (choose_ready): Added code to choose between speculative and
13169 non-speculative instructions.
13170 (schedule_block): Added code to handle ebb scheduling and scheduling of
13171 speculative instructions.
13172 (sched_init): Initialize new variables.
13173 (sched_finish): Free new variables. Print statistics.
13174 (try_ready): Added code to handle speculative instructions.
13175 * lists.c (copy_DEPS_LIST_list): New function.
13176 * sched-deps.c (extend_dependency_caches): New function. Move logic
13177 from create_dependency_caches to here.
13178 (get_dep_weak, ds_merge): Make global.
13179 * genattr.c (main): Code to output prototype for
13180 dfa_clear_single_insn_cache.
13181 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
13182 (output_dfa_clean_insn_cache_func): Code to output
13183 dfa_clear_single_insn_cache function.
13184 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
13186 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
13188 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
13189 New static variables.
13190 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
13191 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
13193 (ebb_sched_info): Initialize new fields.
13194 (get_block_head_tail): Adjust all uses.
13195 (compute_jump_reg_dependencies): Fixed to use glat_start.
13196 (schedule_ebb): Code to remove unreachable last block.
13197 (schedule_ebbs): Added code to update register live information.
13198 * sched-rgn.c (region_sched_info): Initialize new fields.
13199 (get_block_head_tail): Adjust all uses.
13200 (last_was_jump): Removed. Adjust users.
13201 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
13202 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
13203 Implement new hooks.
13204 (check_dead_notes1): New static function.
13205 (struct region): New fields: dont_calc_deps, has_real_ebb.
13206 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
13207 (BB_TO_BLOCK): Fixed to handle EBBs.
13208 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
13209 (ebb_head): New static variable.
13210 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
13211 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
13213 (compute_dom_prob_ps): New assertion.
13214 (check_live_1, update_live_1): Fixed to work with glat_start instead of
13215 global_live_at_start.
13216 (init_ready_list): New assertions.
13217 (can_schedule_ready_p): Split update code to begin_schedule_ready.
13218 (new_ready): Add support for BEGIN_CONTROL speculation.
13219 (schedule_insns): Fixed code that updates register live information
13221 (schedule_region): Fixed to handle EBBs.
13222 (init_regions): Use extend_regions and check_dead_notes1.
13223 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
13224 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
13225 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
13226 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
13227 TARGET_SCHED_GEN_CHECK,
13228 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13229 TARGET_SCHED_SET_SCHED_FLAGS): Document.
13230 * doc/invoke.texi (max-sched-insn-conflict-delay,
13231 sched-spec-prob-cutoff): Document.
13233 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13235 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
13236 inter_tick, queue_index.
13237 (struct sched_info): Change signature of init_ready_list field.
13238 Adjust all initializations.
13239 (RESOLVED_DEPS): New access macro.
13240 (ready_add): Remove prototype.
13241 (try_ready): Add prototype.
13242 * sched-rgn.c (init_ready_list): Use try_ready.
13243 (schedule_region): Initialize
13244 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
13245 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
13246 (init_ready_list): Use try_ready.
13247 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
13248 * lists.c (remove_list_elem): Remove `static'.
13249 (remove_free_INSN_LIST_elem): New function.
13250 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
13251 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
13252 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
13254 (readyp): New variable.
13255 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
13256 change_queue_index, resolve_dep): New static functions.
13257 (try_ready): New function. Adjust callers in sched-rgn.c and
13258 sched-ebb.c to use it instead of ready_add.
13259 (clock_var): Move at the begining of file.
13260 (rank_for_schedule): Fix typo.
13261 (queue_insn): Add assertion. Handle QUEUE_INDEX.
13262 (ready_lastpos): Enforce assertion.
13263 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
13264 update all callers.
13265 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
13266 (schedule_insn): Rewrite to use try_ready and resolve_dep.
13267 (queue_to_ready): Use free_INSN_LIST_list.
13268 (early_queue_to_ready): Fix typo.
13269 (schedule_block): Init readyp. Move init_ready_list call after the
13270 initialization of clock_var. Fix error in rejecting insn by
13271 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
13272 that previously corrected INSN_TICKs. Add code for handling
13274 (set_priorities): Fix typo.
13275 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
13276 Clarify comment and code that keeps current_sched_info->next_tail
13279 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13281 * sched-rgn.c (extend_rgns): New static function.
13282 (find_rgns): Use it.
13283 (gather_region_statistics, print_region_statistics): New static
13285 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
13286 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
13288 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13289 Andrey Belevantsev <abel@ispras.ru>
13291 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
13292 * lists.c (unused_deps_list): New variable.
13293 (free_list): Add assertions to verify the proper distinguishing
13294 between INSN_LISTs and DEPS_LISTs.
13295 (find_list_elem, remove_list_elem, remove_list_node): New static
13297 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
13298 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
13299 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
13300 (alloc_INSN_LIST): Assert that the list we're working on is indeed
13302 (free_INSN_LIST_node): Likewise.
13303 * modulo-sched.c (current_sched_info): Initialize flags field.
13304 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
13305 * rtl.def (DEPS_LIST): Define.
13306 * rtl.h: Declare new functions from lists.c.
13307 * sched-deps.c (spec_dependency_cache): New static variable.
13308 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
13309 (add_dependence): Change return type to void. Move the logic to ...
13310 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
13311 (delete_all_dependences): Add comment about forward_dependency_cache.
13312 Handle spec_dependency_cache. Handle DEPS_LISTs.
13313 (fixup_sched_groups): Clarify the change of priority of output
13314 and anti dependencies.
13315 (sched_analyze_2): Adjust add_dependence calls to create data
13316 speculative dependence.
13317 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
13318 Adjust all callers. Handle DEPS_LISTS.
13319 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
13320 presence of speculation.
13321 (init_dependency_caches, free_dependency_caches):
13322 Handle spec_dependency_cache.
13323 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
13324 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
13325 New static functions.
13326 (add_or_update_back_dep, add_or_update_back_forw_dep,
13327 add_back_forw_dep, delete_back_forw_dep): New functions.
13328 * sched-int.h (ds_t, dw_t): New typedefs.
13329 (struct sched_info): Add new field flags.
13330 (struct haifa_insn_data): Add new bitfield has_internal_dep.
13331 Prototype new sched-deps.c functions.
13332 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
13333 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
13334 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
13335 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
13336 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
13337 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
13339 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
13341 * sched-rgn.c (current_sched_info): Initialize flags field.
13342 (schedule_insns): Initialize current_sched_info before the sched_init
13344 * sched-ebb.c (current_sched_info): Initialize flags field.
13345 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
13346 Call add_or_update_back_dep instead of add_dependence.
13347 Create control speculative dependencies.
13348 (schedule_insns): Initialize current_sched_info before the sched_init
13351 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
13353 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
13355 (sh_fallback_frame_state): Likewise.
13357 2006-03-15 Geoffrey Keating <geoffk@apple.com>
13359 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
13360 Do switch on default_use_cxa_atexit.
13361 (powerpc*-*-darwin*): Build crt2.o on powerpc.
13362 * config/darwin-crt3.o: New.
13363 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
13364 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
13365 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
13367 * config/rs6000/t-darwin: Move crt2.o building to here.
13368 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
13369 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
13372 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13374 * config/vax/vax.c (nonindexed_address_p): Change logical negation
13375 from '! xxx' to '!xxx' for coding-style conformance.
13376 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
13377 (EXTRA_CONSTRAINT): Likewise.
13378 * config/vax/vax.md (four unnamed insns): Likewise.
13380 2006-03-15 Paul Brook <paul@codesourcery.com>
13382 * config/arm/arm.c (minipool_pad): New.
13383 (add_minipool_forward_ref): Include pool alignment padding in address
13385 (push_minipool_fix): Set minipool_pad.
13386 (minipool_pad): Ditto.
13388 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13390 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
13391 instead of GET_CODE() == MEM and REG_P() instead of
13393 (print_operand_address): Likewise.
13394 (vax_address_cost): Likewise.
13395 (vax_rtx_costs): Likewise.
13396 (vax_notice_update_cc): Likewise.
13397 (vax_output_int_add): Likewise.
13398 (INDEX_REGISTER_P): Likewise.
13399 (BASE_REGISTER_P): Likewise.
13400 (nonindexed_address_p): Likewise.
13401 (vax_mode_dependent_address_p): Likewise.
13402 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
13403 (PRINT_OPERAND): Likewise.
13404 * config/vax/vax.md (ashlsi3): Likewise.
13405 (ashlsi3): Likewise.
13406 (some more unnamed insns): Likewise.
13408 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
13410 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
13411 iterator-style macro.
13412 (mark_control_dependent_edges_necessary): Update the use of
13413 EXECUTE_IF_CONTROL_DEPENDENT.
13415 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
13417 * config/sh/predicates.md (cache_address_operand): Special.
13418 (ua_address_operand): Likewise.
13420 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
13422 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
13424 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
13426 2006-03-15 Andreas Schwab <schwab@suse.de>
13428 * gensupport.c (identify_predicable_attribute): Don't free p_false
13429 when it is still in use.
13431 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
13433 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
13434 the default setting here.
13436 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
13438 * tree-pass.h (pass_cfg): Remove.
13439 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
13440 * passes.c (pass_cfg): Don't run it.
13442 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
13444 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
13445 * reg-stack.c (stack_regs_mentioned_data): Change the type to
13447 (stack_regs_mentioned): Update the uses of
13448 stack_regs_mentioned_data. Don't access the array beyond its
13450 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
13451 Don't include gt-reg-stack.h.
13453 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
13454 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
13456 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
13458 PR middle-end/26684
13459 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13462 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13464 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13466 2006-03-14 Richard Guenther <rguenther@suse.de>
13468 PR tree-optimization/26672
13469 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13472 2006-03-14 Richard Guenther <rguenther@suse.de>
13474 PR tree-optimization/26667
13475 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13476 node for the callees. Always allow inlining if it will shrink
13479 2006-03-14 Richard Guenther <rguenther@suse.de>
13481 PR middle-end/26659
13482 * builtins.c (get_pointer_alignment): Prefer alignment
13483 information from decls over that from types.
13485 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13488 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13490 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13492 * config/rs6000/rs6000.opt (mdlmzb): New option.
13493 (msched-prolog, msched-epilog): Use Var not Mask.
13494 * doc/invoke.texi (-mdlmzb): Document.
13495 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13497 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13498 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13500 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13502 PR rtl-optimization/25739
13503 * bt-load.c (augment_live_range): Free tos pointer.
13505 * gensupport.c (identify_predicable_attribute): Free
13507 * gcov.c (create_file_names): Free name pointer.
13509 2006-03-13 Roger Sayle <roger@eyesopen.com>
13511 PR middle-end/26557
13512 * stmt.c (emit_case_nodes): Handle the case where the index is a
13513 CONST_INT, where the comparison mode is specified by the index type.
13515 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13517 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13520 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13522 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13523 (*branch_fp_inverted): Likewise.
13525 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13527 PR middle-end/25989
13528 * omp-low.c (expand_omp_for_generic): Mark istart0
13529 and iend0 as addressable.
13531 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13533 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13535 2006-03-13 Jeff Law <law@redhat.com>
13537 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13538 virtual operands are interesting.
13539 (vrp_visit_stmt): Corresponding changes.
13541 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13543 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13545 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13546 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13547 * config/bfin/crti.S: Use it instead of __PIC__.
13548 * config/bfin/crtn.S: Likewise.
13550 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13551 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13553 Lose 'G' modifier for call operand.
13554 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13555 recognize 'G' modifier.
13557 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13559 PR middle-end/18859
13560 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13561 * stmt.c (expand_case): Likewise.
13563 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13565 PR rtl-optimization/26254
13566 * loop-invariant.c (seq_insns_valid_p): New function.
13567 (move_invariant_reg): Only emit new code if it is valid.
13569 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13571 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13573 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13574 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13575 (commit_one_edge_insertion): Do not look for loop notes.
13577 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13579 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13580 flag_test_coverage out of loop.
13582 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13584 * final.c (shorten_branches): Remove outdated comment, and turn
13585 the if branch that guards it to continue.
13587 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13589 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13590 * cfgloop.h (struct loop): Remove unused fields.
13592 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13594 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13595 (-dL, -fdump-rtl-loop2): Update the dump file names
13597 * doc/invoke.texi: Update dump file names.
13599 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13601 * predict.c (estimate_probability): Remove.
13602 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13603 * basic-block.h (estimate_probability): Remove prototype.
13604 * passes.c (finish_optimization_passes): Dump branch prediction or
13605 profiling heuristics to the .profile tree dump.
13606 (init_optimization_passes): Unqueue pass_branch_prob.
13608 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13610 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13612 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13613 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13615 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13617 * function.h (frame_offset_overflow): Declare.
13618 * function.c (frame_offset_overflow): New function.
13619 (assign_stack_local_1): Call it to detect that the offset overflows.
13620 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13622 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13624 * config/sh/sh.c: Include alloc-pool.h.
13625 (label_ref_list_pool): New alloc pool.
13626 (label_ref_list_t): New type for lists of labels.
13627 (struct pool_node): Make wend a label_ref_list_t.
13628 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13630 (dump_table): Likewise.
13631 (sh_reorg): Set up the alloc pool before using add_constant and
13632 dump_table, and destroy it when finishing.
13634 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13636 * config/mips/mips.c: Remove redundant comment.
13638 2006-03-10 Jason Merrill <jason@redhat.com>
13641 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13642 the target was declared 'register'.
13644 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13646 * genpreds.c (write_insn_constraint_len): Change definition of
13647 insn_constraint_len to return size_t to match the declaration.
13649 2006-03-10 DJ Delorie <dj@redhat.com>
13651 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13653 (m32c_expand_insv): Fix test for an AND mask.
13655 2006-03-10 Richard Guenther <rguenther@suse.de>
13657 PR middle-end/26565
13658 * builtins.c (get_pointer_alignment): Handle component
13659 references for field alignment.
13661 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13663 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13664 when building with libgloss.
13665 (sh*elf): Implement --without-fp option.
13666 (sh64-superh-linux*): Don't multilib.
13668 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13670 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13672 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13674 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13675 Set it when one of the replacement functions returned true.
13676 Return TODO_cleanup_cfg if cfgchanged is true.
13677 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13679 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13681 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13682 instead of gen_lowpart.
13684 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13686 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13688 (mips_output_order_conditional_branch): Declare.
13689 * config/mips/mips.h (MIPS_BRANCH): New macro.
13690 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13691 for the comparison. Use gen_condjump.
13692 (mips_output_conditional_branch): Rework interface to take the
13693 asm templates for a direct branch and the inverse of a direct branch.
13694 (mips_output_order_conditional_branch): New function.
13695 (mips_builtin_branch_and_move): New function.
13696 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13697 branch condition. Use gen_single_cc as the condition for
13698 __builtin_mips_upper_* or __builtin_mips_lower_*.
13699 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13700 Use VOIDmode for the branch condition.
13701 * config/mips/predicates.md (order_operator): New predicate.
13702 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13703 (branch_fp): Rename to...
13704 (*branch_fp): ...this. Remove mode from comparison operator.
13705 Use new mips_output_conditional_branch interface.
13706 (branch_fp_inverted): Rename to...
13707 (*branch_fp_inverted): ...this and update as for *branch_fp.
13708 (*branch_zero<mode>): Rename to...
13709 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13710 Use mips_output_order_conditional_branch. Only accept ordered
13712 (*branch_zero<mode>_inverted): Rename to...
13713 (*branch_order<mode>_inverted): ...this and update as for
13714 *branch_order<mode>.
13715 (*branch_equality<mode>): Accept zero as the second operand to
13716 the equality operator. Use the new mips_output_conditional_branch
13718 (*branch_equality<mode>_inverted): Likewise.
13719 (condjump): New expander.
13720 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13722 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13723 (bc1any2t, bc1any2f): Likewise.
13724 (single_cc): New expander.
13725 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13727 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13729 * doc/md.texi: Update documentation of MIPS constraints.
13730 * config/mips/constraints.md: New file.
13731 * config/mips/mips.md: Include it.
13732 * config/mips/mips.c (mips_char_to_class): Delete.
13733 (override_options): Don't initialize mips_char_to_class.
13734 * config/mips/mips.h (mips_char_to_class): Delete.
13735 (REG_CLASS_FROM_LETTER): Delete.
13736 (CONST_OK_FOR_LETTER_P): Delete.
13737 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13738 (EXTRA_CONSTRAINT_Y): Delete.
13739 (EXTRA_CONSTRAINT_STR): Delete.
13740 (CONSTRAINT_LEN): Delete.
13741 (EXTRA_MEMORY_CONSTRAINT): Delete.
13743 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13745 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13746 original fn's eh regions.
13748 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13750 * fold-const.c (build_range_check): Make sure to use a valid type to
13751 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13754 (range_predecessor): New static function.
13755 (range_successor): Likewise.
13756 (merge_ranges): Use them to compute predecessors and successors of
13759 2006-03-09 Roger Sayle <roger@eyesopen.com>
13761 PR middle-end/26561
13762 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13763 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13765 2006-03-08 DJ Delorie <dj@redhat.com>
13767 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13768 (addpsi3): Expand to include memory operands. Remove
13769 reload-specific splits.
13770 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13771 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13772 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13773 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13774 (shift1_qi, shift1_hi, insv): New.
13775 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13776 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13777 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13779 * config/m32c/m32c-protos.h: Update as needed.
13780 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13781 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13782 Fail for unrecognized R* constraints.
13783 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13784 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13785 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13787 (m32c_init_libfuncs): New.
13788 (m32c_legitimate_address_p): Add debug wrapper.
13789 (m32c_rtx_costs): New.
13790 (m32c_address_cost): New.
13791 (conversions): Add 'B' prefix.
13792 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13793 operands, or word regnames for QI operands. 'B' prints bit
13795 (m32c_expand_setmemhi): New.
13796 (m32c_expand_movmemhi): New.
13797 (m32c_expand_movstr): New.
13798 (m32c_expand_cmpstr): New.
13799 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13800 (m32c_expand_neg_mulpsi3): Handle non-ints.
13801 (m32c_cmp_flg_0): New.
13802 (m32c_expand_movcc): New.
13803 (m32c_expand_insv): New.
13804 (m32c_scc_pattern): New.
13805 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13806 a0/a1 out of SIregs.
13807 (STORE_FLAG_VALUE): New.
13808 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13811 * config/m32c/mov.md: Make constraints more liberal.
13812 (zero_extendqihi2): Optimize r0/r1 case.
13813 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13814 * config/m32c/predicates.md (m32c_any_operand): New.
13815 (m32c_nonimmediate_operand): New.
13816 (m32c_hl_operand): New.
13817 (m32c_r3_operand): New.
13820 (memsym_operand): New.
13821 (memimmed_operand): New.
13822 (a_qi_operand): New.
13823 (m32c_eqne_operator): New.
13824 (m32c_1bit8_operand): New.
13825 (m32c_1bit16_operand): New.
13826 (m32c_1mask8_operand): New.
13827 (m32c_1mask16_operand): New.
13828 * config/m32c/blkmov.md: New file.
13829 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13831 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13833 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13834 unsigned to fix signed/unsigned comparison issue in
13835 DWARF2_FRAME_REG_OUT.
13836 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13837 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13839 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13840 of ptr into the ENABLE_CHECKING section.
13842 2006-03-08 Jeff Law <law@redhat.com>
13844 * tree-vrp.c (infer_value_range): Only count pointer uses
13845 and dereferences if -fdelete-null-pointer-checks is enabled.
13847 * tree-vrp.c (find_assert_locations): Infer value ranges for
13848 single use pointers, but do not create ASSERT_EXPRs for them.
13849 When a non-null range is inferred for a pointer, backwards
13850 propagate that range to other equivalent pointers through the
13853 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13856 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13857 language hook targets.
13858 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13859 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13860 if language hook targets were missing.
13862 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13864 * tree-ssa-opfinalize.h: Removed.
13865 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13867 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13868 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13869 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13870 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13871 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13872 finalize_ssa_v_must_def_ops): New.
13874 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13876 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13877 block as parameter.
13879 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13881 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13883 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13884 addresses with offsets; reorganize.
13886 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13887 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13888 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13890 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13893 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13895 2006-03-08 Ben Elliston <bje@au.ibm.com>
13897 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13899 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13902 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13905 2006-03-07 Richard Guenther <rguenther@suse.de>
13907 PR tree-optimization/26587
13908 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13910 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13912 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13914 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13916 * hooks.c (hook_bool_mode_rtx_true): New function.
13917 * hooks.h (hook_bool_mode_rtx_true): Declare.
13918 * toplev.c (compile_file): Call output_shared_constant_pool.
13919 * varasm.c (shared_constant_pool): New variable.
13920 (assemble_start_function, assemble_end_function): Remove arguments
13921 from call to output_constant_pool.
13922 (create_constant_pool): New function, split out from...
13923 (init_varasm_status): ...here.
13924 (force_const_mem): Choose between the shared and per-function constant
13925 pools. Set current_function_uses_const_pool when reusing old entries
13926 as well as when creating new ones.
13927 (mark_constant): Ignore data argument.
13928 (mark_constants): Remove pool argument.
13929 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13930 to decide whether the function uses a constant pool.
13931 (output_constant_pool_contents): New function, split out from...
13932 (output_constant_pool): ...here.
13933 (output_shared_constant_pool): New function.
13934 (init_varasm_once): Initialize shared_constant_pool.
13935 * output.h (output_constant_pool): Delete.
13936 (output_shared_constant_pool): Declare.
13937 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13938 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13940 2006-03-06 Nick Clifton <nickc@redhat.com>
13942 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13943 flag_strength_reduce.
13945 2006-03-06 Ben Elliston <bje@au.ibm.com>
13947 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13948 x86_64-*-linux* configurations.
13950 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13951 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13953 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13955 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13957 * basic-block.h: Remove the extern for
13958 rediscover_loops_after_threading.
13960 * cfgloop.c (cancel_loop): Make it static.
13961 * cfgloop.h: Remove the prototype for cancel_loop.
13963 * flow.c (recompute_reg_usage): Make it static.
13964 * rtl.h: Remove the prototype for recompute_reg_usage.
13966 * function.c (use_return_register): Make it static.
13967 * function.h: Remove the prototype.
13969 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13971 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13973 * recog.h: Remove the prototype for
13974 validate_change_maybe_volatile.
13976 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13978 * rtlanal.c (replace_reg): Remove.
13979 * rtl.h: Remove the prototype for replace_reg.
13981 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13983 * regclass.c (reg_scan_update): Remove.
13984 (reg_scan_mark_refs): Remove the last argument.
13985 * rtl.h: Remove the prototype for reg_scan_update.
13987 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13989 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13990 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13991 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13992 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13993 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13994 loop-invariant.c, omp-low.c, opts.c, passes.c,
13995 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13996 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13997 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13998 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13999 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
14000 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
14002 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14004 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
14005 * dwarf2out.h: Remove the prototype for
14006 dwarf2out_add_library_unit_info.
14008 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14010 * tree.c (add_var_to_bind_expr): Remove.
14011 * tree.h: Remove the prototype for add_var_to_bind_expr.
14013 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14015 * regclass.c (n_non_fixed_regs): Remove.
14016 (init_reg_sets_1, globalize_reg): Remove all uses of
14018 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
14020 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14022 * rtlanal.c (insns_safe_to_move_p): Remove.
14023 * rtl.h: Remove the prototype for insns_safe_to_move_p.
14025 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14027 * expmed.c (expand_mult_add): Remove.
14028 * expr.h: Remove the prototype for expand_mult_add.
14030 2006-03-04 Jakub Jelinek <jakub@redhat.com>
14032 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
14033 and REG_SAVED_VAL_EXP constants.
14034 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
14035 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
14036 Handle regs stored by value.
14037 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
14038 (execute_cfa_program): Handle DW_CFA_val_offset,
14039 DW_CFA_val_offset_sf and DW_CFA_val_expression.
14040 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
14041 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
14042 (uw_install_context_1): Handle target regs stored by value.
14044 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
14046 * tree-sra.c (tree_sra): Return todoflags;
14047 (generate_one_element): Set TODO_update_smt_usage if needed.
14048 (pass_sra): Remove TODO_update_smt_usage.
14049 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
14051 (tree_ssa_forward_propagate_single_use_vars): Return
14052 TODO_update_smt_usage if we need to update SMT usage.
14053 (pass_forwprop): Remove TODO_update_smt_usage.
14055 2006-03-03 Diego Novillo <dnovillo@redhat.com>
14057 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
14058 (correct_use_link): Remove reference to get_stmt_operands.
14059 (update_stmt_operands): Likewise.
14060 (get_modify_expr_operands): New function factored out of
14061 parse_ssa_operands and get_expr_operands.
14062 Try to create V_MUST_DEFs for LHS by default.
14063 (get_expr_operands) <case MODIFY_EXPR>: Call
14064 get_modify_expr_operands.
14065 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
14066 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
14067 (parse_ssa_operands) <case MODIFY_EXPR>: Call
14068 get_modify_expr_operands.
14070 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
14072 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
14073 * tree-flow.h: Remove the prototype for
14074 referenced_var_lookup_if_exists.
14076 2006-03-03 Steve Ellcey <sje@cup.hp.com>
14078 PR rtl-optimization/26345
14080 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
14082 2006-03-03 Roger Sayle <roger@eyesopen.com>
14084 PR tree-optimization/26524
14085 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
14086 fold_convert to create a constant of the appropriate type.
14088 2006-03-03 Richard Sandiford <richard@codesourcery.com>
14090 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14091 SYMBOL_REF_IN_BLOCK_P.
14092 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
14093 of SYMBOL_FLAG_IN_BLOCK.
14094 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
14095 instead of SYMBOL_REF_IN_BLOCK_P.
14096 * explow.c (use_anchored_address): Likewise.
14097 * rtl.c (rtx_size): Likewise.
14098 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
14099 instead of SYMBOL_FLAG_IN_BLOCK.
14100 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14101 SYMBOL_REF_IN_BLOCK_P.
14102 (assemble_variable): Likewise.
14103 (output_constant_def_contents): Likewise.
14104 (output_constant_pool): Likewise.
14105 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
14106 instead of SYMBOL_FLAG_IN_BLOCK.
14107 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14108 SYMBOL_REF_IN_BLOCK_P.
14109 (SYMBOL_REF_BLOCK): Likewise.
14110 (SYMBOL_REF_OFFSET): Likewise.
14111 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14112 SYMBOL_REF_IN_BLOCK_P.
14113 (SYMBOL_FLAG_IN_BLOCK): Replace with...
14114 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
14115 (SYMBOL_REF_IN_BLOCK_P): Replace with...
14116 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
14118 2006-03-03 Jakub Jelinek <jakub@redhat.com>
14120 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
14122 2006-03-02 Roger Sayle <roger@eyesopen.com>
14124 * simplify-rtx.c (simplify_unary_operation): When simplifying
14125 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
14126 that we perform the right shift in the appropriate mode, and
14127 then extend or truncate the result to requested mode.
14129 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
14131 * gengtype.c (main): Handle double_int type.
14132 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
14133 * double-int.c: New file.
14134 * double-int.h: New file.
14135 * system.h: Include doubleint.h.
14136 * Makefile.in (SYSTEM_H): Include double-int.h.
14137 (double-int.o): Add.
14139 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
14142 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
14145 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14147 * tree-vrp.c (remove_range_assertions): Do not update statements
14150 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14152 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
14154 * gcse.c (rest_of_handle_gcse): Ditto.
14155 * except.c (gate_handle_eh): Ditto.
14156 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
14157 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
14159 2006-03-02 Eric Christopher <echristo@apple.com>
14161 * config/i386/i386.c (machopic_output_stub): Add indirection to
14164 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14168 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
14170 Sun Niagara specific optimizations.
14171 * config.gcc: Recognize niagara as target.
14172 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
14173 (TARGET_CPU_niagara): Define.
14174 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
14175 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
14176 (CPP_CPU_SPEC): Handle -mcpu=niagara.
14177 (ASM_CPU_SPEC): Likewise.
14178 (PROCESSOR_NIAGARA): New enum entry.
14179 (REGISTER_MOVE_COST): Handle Niagara.
14180 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
14181 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
14182 (sparc_override_options): Recognize "niagara", set appropriate
14183 default MASK_* values for it, and align functions to 32-bytes
14184 by default just like ULTRASPARC/ULTRASPARC3.
14185 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
14186 (sparc64_initialize_trampoline): Likewise.
14187 (sparc_use_sched_lookahead): Use zero for niagara.
14188 (sparc_issue_rate): Use one for niagara.
14189 * config/sparc/niagara.md: New file.
14190 * config/sparc/sparc.md: Include it.
14191 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
14192 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
14193 when default cpu is niagara.
14194 (CPP_CPU_SPEC): Handle -mcpu=niagara.
14195 (ASM_CPU_SPEC): Likewise.
14196 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
14197 when default cpu is niagara.
14198 (ASM_CPU_SPEC): Handle -mcpu=niagara.
14199 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
14200 just like v9/ultrasparc/ultrasparc3.
14201 * doc/invoke.texi: Add documentation for "niagara" and improve
14202 existing documentation for ultrasparc variants.
14204 2006-03-02 Diego Novillo <dnovillo@redhat.com>
14206 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
14208 2006-03-02 Richard Sandiford <richard@codesourcery.com>
14210 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
14211 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
14212 and say that only one is needed.
14213 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
14214 * target.h (have_switchable_bss_sections): New hook.
14215 * explow.c (use_anchored_address): Check that the symbol is in a block.
14216 * varasm.c (tls_comm_section, comm_section, lcomm_section)
14217 (bss_noswitch_section): New variables.
14218 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
14219 (get_noswitch_section): New function.
14220 (get_block_for_section): Allow SECT to be null.
14221 (unlikely_text_section_p): Use SECTION_STYLE.
14222 (bss_initializer_p): New function.
14223 (get_variable_section): Move earlier in file. Take a new argument,
14224 prefer_noswitch_p. Move bss checks from assemble_variable to here.
14225 Return one of the new *_sections in such cases.
14226 (get_block_for_decl): New function, extracting some logic from
14227 use_blocks_for_decl_p.
14228 (change_symbol_section): Remove in favor of...
14229 (change_symbol_block): ...this new function.
14230 (use_blocks_for_decl_p): Remove checks now performed by
14231 get_block_for_decl.
14232 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
14233 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
14234 (emit_local, emit_bss, emit_common): ...these new functions.
14235 Return true if the alignment was honored.
14236 (emit_tls_common): New function.
14237 (asm_emit_uninitialised): Delete.
14238 (assemble_variable_noswitch): New function, split out from...
14239 (assemble_variable): ...here. Don't make decisions about common
14240 variables here. Globalize all public decls that go into non-common
14241 sections. Check whether SYMBOL_REF_BLOCK is null.
14242 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
14243 (output_constant_pool): Likewise.
14244 (init_varasm_once): Initialize the new section variables.
14245 (have_global_bss_p): New function.
14246 (categorize_decl_for_section): Use bss_initializer_p.
14247 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
14248 (place_block_symbol): Assert that the symbol must be in a block.
14249 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
14250 (TARGET_INITIALIZER): Include it.
14251 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
14252 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
14253 (SECTION_MACH_DEP): Bump by two.
14254 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
14255 (unnamed_section): Mention SECTION_UNNAMED in comment.
14256 (named_section): Likewise SECTION_NAMED.
14257 (noswitch_section_callback): New type.
14258 (noswitch_section): New structure.
14259 (section): Add a noswitch_section alternative.
14260 (SECTION_STYLE): New macro.
14261 (tls_comm_section, comm_section, lcomm_section): Declare.
14262 (bss_noswitch_section, have_global_bss_p): Declare.
14263 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14264 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14266 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14267 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14270 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
14272 * tree-vrp.c (execute_vrp): Return value.
14273 * regrename.c (rest_of_handle_regrename): Ditto.
14274 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
14275 * tree-complex.c (tree_lower_complex): Ditto.
14276 (tree_lower_complex_O0): Ditto.
14277 * tracer.c (rest_of_handle_tracer): Ditto.
14278 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
14279 * postreload.c (rest_of_handle_postreload): Ditto.
14280 * tree-tailcall.c (execute_tail_recursion): Ditto.
14281 (execute_tail_calls): Ditto.
14282 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14283 * tree.h (init_function_for_compilation): Ditto.
14284 * ipa-cp.c (ipcp_driver): Ditto.
14285 * tree-scalar-evolution.c (scev_const_prop): Ditto.
14286 * tree-scalar-evolution.h (scev_const_prop): Ditto.
14287 * final.c (compute_alignments): Ditto.
14288 (rest_of_handle_final): Ditto.
14289 (rest_of_handle_shorten_branches): Ditto.
14290 (rest_of_clean_state): Ditto.
14291 * omp-low.c (execute_expand_omp): Ditto.
14292 (execute_lower_omp): Ditto.
14293 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
14294 * ipa-reference.c (static_execute): Ditto.
14295 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
14296 * reorg.c (rest_of_handle_delay_slots): Ditto.
14297 (rest_of_handle_machine_reorg): Ditto.
14298 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
14299 * flow.c (recompute_reg_usage): Ditto.
14300 (rest_of_handle_remove_death_notes): Ditto.
14301 (rest_of_handle_life): Ditto.
14302 (rest_of_handle_flow2): Ditto.
14303 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
14304 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
14305 (do_ssa_store_ccp): Ditto.
14306 (execute_fold_all_builtins): Ditto.
14307 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
14308 * modulo-sched.c (rest_of_handle_sms): Ditto.
14309 * ipa-pure-const.c (static_execute): Ditto.
14310 * cse.c (rest_of_handle_cse): Ditto.
14311 (rest_of_handle_cse2): Ditto.
14312 * web.c (rest_of_handle_web): Ditto.
14313 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
14314 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
14315 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
14316 * tree-nrv.c (tree_nrv): Ditto.
14317 (execute_return_slot_opt): Ditto.
14318 * tree-ssa-alias.c (compute_may_aliases): Ditto.
14319 (create_structure_vars): Ditto.
14320 * loop-init.c (rtl_loop_init): Ditto.
14321 (rtl_loop_done): Ditto.
14322 (rtl_move_loop_invariants): Ditto.
14323 (rtl_unswitch): Ditto.
14324 (rtl_unroll_and_peel_loops): Ditto.
14325 (rtl_doloop): Ditto.
14326 * gimple-low.c (lower_function_body): Ditto.
14327 (mark_used_blocks): Ditto.
14328 * tree-ssa-sink.c (execute_sink_code): Ditto.
14329 * ipa-inline.c (cgraph_decide_inlining): Ditto.
14330 (cgraph_early_inlining): Ditto.
14331 * global.c (rest_of_handle_global_alloc): Ditto.
14332 * jump.c (cleanup_barriers): Ditto.
14333 (purge_line_number_notes): Ditto.
14334 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
14335 (rest_of_handle_if_after_reload): Ditto.
14336 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
14337 (tree_ssa_loop_im): Ditto.
14338 (tree_ssa_loop_unswitch): Ditto.
14339 (tree_vectorize): Ditto.
14340 (tree_linear_transform): Ditto.
14341 (tree_ssa_loop_ivcanon): Ditto.
14342 (tree_ssa_empty_loop): Ditto.
14343 (tree_ssa_loop_bounds): Ditto.
14344 (tree_complete_unroll): Ditto.
14345 (tree_ssa_loop_prefetch): Ditto.
14346 (tree_ssa_loop_ivopts): Ditto.
14347 (tree_ssa_loop_done): Ditto.
14348 * predict.c (tree_estimate_probability): Ditto.
14349 * recog.c (split_all_insns_noflow): Ditto.
14350 (rest_of_handle_peephole2): Ditto.
14351 (rest_of_handle_split_all_insns): Ditto.
14352 * tree-eh.c (lower_eh_constructs): Ditto.
14353 * regmove.c (rest_of_handle_regmove): Ditto.
14354 (rest_of_handle_stack_adjustments): Ditto.
14355 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
14356 * function.c (instantiate_virtual_regs): Ditto.
14357 (init_function_for_compilation): Ditto.
14358 (rest_of_handle_check_leaf_regs): Ditto.
14359 * gcse.c (rest_of_handle_jump_bypass): Ditto.
14360 (rest_of_handle_gcse): Ditto.
14361 * ipa-type-escape.c (type_escape_execute): Ditto.
14362 * alias.c (rest_of_handle_cfg): Ditto.
14363 * tree-if-conv.c (main_tree_if_conversion): Ditto.
14364 * profile.c (rest_of_handle_branch_prob): Ditto.
14365 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
14366 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
14367 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
14368 * tree-dfa.c (find_referenced_vars): Ditto.
14369 * except.c (set_nothrow_function_flags): Ditto.
14370 (convert_to_eh_region_ranges): Ditto.
14371 (rest_of_handle_eh): Ditto.
14372 * emit-rtl.c (unshare_all_rtl): Ditto.
14373 (remove_unnecessary_notes): Ditto.
14374 * except.h (set_nothrow_function_flags): Ditto.
14375 (convert_to_eh_region_ranges): Ditto.
14376 * cfgexpand.c (tree_expand_cfg): Ditto.
14377 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
14378 * tree-ssa-pre.c (do_pre): Ditto.
14379 (execute_fre): Ditto.
14380 * cfgcleanup.c (rest_of_handle_jump): Ditto.
14381 (rest_of_handle_jump2): Ditto.
14382 * tree-sra.c (tree_sra): Ditto.
14383 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
14384 (execute_mudflap_function_decls): Ditto.
14385 * tree-ssa-copy.c (do_copy_prop): Ditto.
14386 (do_store_copy_prop): Ditto.
14387 * ipa-prop.h (ipcp_driver): Ditto.
14388 * cfglayout.c (insn_locators_initialize): Ditto.
14389 * tree-ssa-forwprop.c
14390 (tree_ssa_forward_propagate_single_use_vars): Ditto.
14391 * cfglayout.h (insn_locators_initialize): Ditto.
14392 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
14393 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
14394 (execute_late_warn_uninitialized): Ditto.
14395 * rtl.h (cleanup_barriers): Ditto.
14396 (split_all_insns_noflow): Ditto.
14397 (purge_line_number_notes): Ditto.
14398 (unshare_all_rtl): Ditto.
14399 (remove_unnecessary_notes): Ditto.
14400 (recompute_reg_usage): Ditto.
14401 (variable_tracking_main): Ditto.
14402 * integrate.c (emit_initial_value_sets): Ditto.
14403 * integrate.h (emit_initial_value_sets): Ditto.
14404 * tree-optimize.c (execute_free_datastructures): Ditto
14405 (execute_free_cfg_annotations): Ditto.
14406 (execute_fixup_cfg): Ditto.
14407 (execute_cleanup_cfg_pre_ipa): Ditto.
14408 (execute_cleanup_cfg_post_optimizing): Ditto.
14409 (execute_init_datastructures): Ditto.
14410 * tree-object-size.c (compute_object_sizes): Ditto.
14411 * combine.c (rest_of_handle_combine): Ditto.
14412 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
14413 * bb-reorder.c (duplicate_computed_gotos): Ditto.
14414 (rest_of_handle_reorder_blocks): Ditto.
14415 (rest_of_handle_partition_blocks): Ditto.
14416 * var-tracking.c (variable_tracking_main): Ditto.
14417 * tree-profile.c (tree_profiling): Ditto.
14418 * tree-vect-generic.c (expand_vector_operations): Ditto.
14419 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
14420 * sched-rgn.c (rest_of_handle_sched): Ditto.
14421 (rest_of_handle_sched2): Ditto.
14422 * basic-block.h (free_bb_insn): Ditto.
14423 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
14424 * tree-cfg.c (execute_build_cfg): Ditto.
14425 (remove_useless_stmts): Ditto.
14426 (split_critical_edges): Ditto.
14427 (execute_warn_function_return): Ditto.
14428 (execute_warn_function_noreturn): Ditto.
14429 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
14430 * cfgrtl.c (free_bb_for_insn): Ditto.
14431 * passes.c (execute_one_pass): Run additional
14432 todos returned by execute function.
14433 * tree-pass.h (struct tree_opt_pass): Make execute
14436 2006-03-02 Richard Guenther <rguenther@suse.de>
14438 * tree-ssa-alias.c (find_used_portions): Consider taking
14439 the address as making the variable not write-only.
14441 2006-03-02 Nick Clifton <nickc@redhat.com>
14443 * config.gcc (default_use_cxa_atexit): Extend the description of
14444 this configure variable. Set its default value to "yes" for
14445 Linux, NetBSD and ELF targets on the assumption that they will
14446 use C libraries with the __cxa_atexit function.
14448 2006-03-02 Ben Elliston <bje@au.ibm.com>
14450 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
14451 parameter as unused to suppress a build warning.
14453 2006-03-02 Ben Elliston <bje@au.ibm.com>
14455 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
14458 2006-03-01 Roger Sayle <roger@eyesopen.com>
14461 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14462 declared name, the weak reference name, and the typeof name.
14463 (__gthrw): Avoid expanding the declared name suffix.
14464 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14466 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14468 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14470 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14471 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14472 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14473 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14474 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14475 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14476 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14477 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14478 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14479 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14480 (DW_END_default, DW_END_big, DW_END_little): New.
14481 (DW_END_lo_user, DW_END_hi_user): Define.
14482 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14483 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14484 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14487 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14489 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14491 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14493 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14495 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14497 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14498 to 'symbol_mem_tag'.
14500 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14503 2006-03-01 Roger Sayle <roger@eyesopen.com>
14505 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14507 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14510 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14511 MACHO_DYNAMIC_NO_PIC_P.
14512 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14514 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14517 * config/darwin-protos.h (darwin_asm_output_anchor):
14519 * config/darwin-sections.def (cstring_section):
14520 Add SECTION_MERGE to the flags.
14521 (literal4_section): Likewise.
14522 (literal8_section): Likewise.
14523 (objc_selector_refs_section): Likewise.
14524 (objc_cls_refs_section): Likewise.
14525 * config/darwin.c (darwin_asm_output_anchor): New
14527 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14529 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14531 Fix PR tree-optimization/26443
14532 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14533 to todo and PROP_tmt_usage to properties_destroyed.
14534 * tree-ssa-ccp.c (pass_ccp): Ditto.
14535 (pass_store_ccp): Ditto.
14536 * tree-ssa-dom.c (pass_dominator): Ditto.
14538 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14540 * tree-ssa-operands.c: Cleanup whitespace.
14541 (get_asm_expr_operands): Move before first invocation.
14542 (get_indirect_ref_operands): Likewise.
14543 (get_tmr_operands): Likewise.
14544 (get_call_expr_operands): Likewise.
14545 (append_def): Likewise.
14546 (append_use): Likewise.
14547 (append_v_may_def): Likewise.
14548 (append_v_must_def): Likewise.
14549 (add_call_clobber_ops): Likewise.
14550 (add_call_read_ops): Likewise.
14551 (add_stmt_operand): Likewise.
14552 (add_virtual_operand): Likewise.
14553 (build_ssa_operands): Likewise.
14555 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14557 PR middle-end/26022
14559 PR middle-end/24437
14560 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14561 with a call expr to ...
14562 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14564 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14566 * tree-vrp.c (extract_range_from_assert): Remove special
14567 handling for types with super-types.
14569 2006-03-01 Ben Elliston <bje@au.ibm.com>
14571 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14572 and powerpc64-*-linux* configurations.
14573 * config/t-dfprules: New file.
14575 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14576 Compile dfp-bit.c from the source directory using -DWIDTH and
14577 $DFP_CFLAGS to control the compilation of that file, rather than
14578 generating width-specific versions in the build directory.
14579 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14580 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14582 2006-02-28 Zack Weinberg <zackw@panix.com>
14584 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14587 2006-02-28 Eric Christopher <echristo@apple.com>
14589 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14590 Set up IN_LIBGCC definition of TARGET_64BIT.
14591 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14593 2006-02-28 Roger Sayle <roger@eyesopen.com>
14595 PR middle-end/14752
14596 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14597 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14598 cases via the construction of "expr != 0".
14600 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14602 * alias.c (alias_invariant, alias_invariant_size): Remove.
14603 (record_base_value): Remove.
14604 (memrefs_conflict_p): Don't look at alias_invariant.
14605 (end_alias_analysis): Don't free it.
14606 * alias.h (record_base_value): Remove prototype.
14608 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14609 Adam Nemet <anemet@caviumnetworks.com>
14611 * rtl.h (truncated_to_mode): Declare it.
14612 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14613 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14614 (RTL_HOOKS_INITIALIZER): Include it.
14615 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14616 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14617 reg_truncated_to_mode.
14618 * rtlanal.c (truncated_to_mode): Define it.
14619 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14621 2006-02-28 Jeff Law <law@redhat.com>
14623 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14624 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14625 the range allowed by TYPE_PRECISION.
14627 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14629 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14631 PR tree-optimization/26419
14632 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14635 2006-02-27 Zack Weinberg <zackw@panix.com>
14637 * doc/md.texi: Fix typo in previous change.
14639 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14643 2006-02-27 Zack Weinberg <zackw@panix.com>
14645 * rtl.def (define_constraint, define_register_constraint)
14646 (define_memory_constraint, define_address_constraint): New MD forms.
14647 * gensupport.c (process_rtx): Put define_constraint etc on the
14649 * genpreds.c (process_define_predicate): Adjust comment. Validate
14650 the name, and call validate_exp to validate the expression.
14651 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14652 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14653 all callers changed.
14654 (validate_exp, needs_variable, struct constraint_data)
14655 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14656 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14657 (const_dbl_constraints, constraint_max_namelen)
14658 (have_register_constraints, have_memory_constraints)
14659 (have_address_constraints, have_address_constraints)
14660 (have_extra_constraints, have_const_int_constraints)
14661 (have_const_dbl_constraints, mangle, add_constraint)
14662 (process_define_constraint, process_define_register_constraint)
14663 (write_enum_constraint_num, write_lookup_constraint)
14664 (write_insn_constraint_len, write_regclass_for_constraint)
14665 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14666 (write_insn_extra_memory_constraint)
14667 (write_insn_extra_address_constraint)
14668 (write_satisfies_constraint_fns): New.
14669 (write_tm_preds_h): If we have new-style constraint definitions,
14670 prototype the functions generated from them, and define the
14671 old constraint interface (still used by generic code) in terms of
14673 (write_insn_preds_c): If we have new-style constraint definitions,
14674 generate all relevant functions from those definitions.
14675 (main): Handle define_constraint etc.
14676 * genoutput.c (struct constraint_data, indep_constraints)
14677 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14678 (mdep_constraint_len): New data structures and functions, defined
14679 #ifdef USE_MD_CONSTRAINTS.
14680 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14681 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14682 use new logic to validate operand constraints against constraint
14684 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14686 * defaults.h: If none of the old-style constraint macros are
14687 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14688 old-style macros; and poison REG_CLASS_FROM_LETTER,
14689 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14691 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14692 * doc/md.texi: Document new constraint-definition mechanism and the
14693 C interface it provides. Remove references to old mechanism
14694 elsewhere in the document.
14695 (Machine Constraints): Use pathnames relative to gcc directory,
14696 i.e. config/ARCH/FILE. Change i386 section to refer to
14697 config/i386/predicates.md; update that section to match docstrings.
14698 * doc/tm.texi: Move all documentation of the old constraint-
14699 definition macros to their own section, clearly mark as obsolete.
14701 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14702 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14704 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14705 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14706 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14707 constraint strings.
14708 (splits and peepholes): Use satisfies_constraint_*.
14709 * config/i386/i386.c (memory_address_length)
14710 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14712 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14714 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14715 scalar operation to be put back into the loop.
14717 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14720 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14721 (extract_cie_info): Handle S flag in augmentation string.
14722 (execute_cfa_program): If context->signal_frame, execute also
14723 fs->pc == context->ra instructions.
14724 (uw_frame_state_for): If context->signal_frame, don't subtract one
14725 from context->ra to find FDE.
14726 (uw_update_context_1): Set context->signal_frame to
14728 (_Unwind_GetIPInfo): New function.
14729 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14730 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14732 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14733 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14734 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14735 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14736 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14737 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14738 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14739 x86_64_fallback_frame_state): Set fs->signal_frame.
14740 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14741 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14742 (frob_update_context): Likewise. Workaround missing S flag in
14743 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14744 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14745 Remove the psw_addr + 1 hack.
14747 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14749 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14750 with aggregates here.
14751 (find_func_aliases): Remove code for &<aggregate> from here.
14753 2006-02-26 Roger Sayle <roger@eyesopen.com>
14755 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14756 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14757 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14758 as (X & C) ne/eq 0.
14760 2006-02-26 Roger Sayle <roger@eyesopen.com>
14762 PR middle-end/19983
14763 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14765 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14767 * opts.c (decode_options): Do not handle flag_strength_reduce.
14768 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14769 and OPT_fstrength_reduce.
14770 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14771 flag_prefetch_loop_arrays for being nonzero.
14772 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14774 (fprefetch-loop-arrays-rtl): Removed.
14775 (flag_prefetch_loop_arrays): Do not specify the value.
14777 * doc/passes.texi: Update documentation of loop optimizer
14779 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14780 -frerun-loop-opt): Remove.
14782 2006-02-26 Richard Guenther <rguenther@suse.de>
14784 PR tree-optimization/26421
14785 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14786 in function calls that are ADDR_EXPRs as using the whole structure.
14788 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14790 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14791 * tree-pass.h (pass_loop_optimize): Remove.
14792 * passes.c (pass_loop_optimize): Never run it.
14793 * toplev.c (backend_init): Don't call init_loop.
14794 * opts.c (flag_loop_optimize_set): Remove.
14795 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14796 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14797 the old RTL loop optimizer when profiling enabled.
14798 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14799 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14800 pre-headers for the sake of the old RTL loop optimizer.
14801 * Makefile.in: Remove all references to loop.o.
14803 * doc/invoke.texi: Remove all references to -floop-optimize
14804 and -frerun-loop-opt.
14806 2006-02-26 Zack Weinberg <zackw@panix.com>
14808 * doc/md.texi (Machine Constraints): Refer to all files with paths
14809 relative to gcc directory (i.e. config/CPU/file). Add missing
14810 @table @code ... @end table to M32C subsection.
14812 2006-02-26 Roger Sayle <roger@eyesopen.com>
14814 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14816 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14818 2006-02-26 Roger Sayle <roger@eyesopen.com>
14819 James A. Morrison <phython@gcc.gnu.org>
14821 PR middle-end/21137
14822 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14823 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14824 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14825 signedness of the shift operation.
14827 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14829 PR tree-optimization/26359
14830 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14832 2006-02-25 Roger Sayle <roger@eyesopen.com>
14834 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14835 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14836 as X == 0, and some symmetry related transformations.
14837 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14839 2006-02-25 Roger Sayle <roger@eyesopen.com>
14841 PR middle-end/23673
14842 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14843 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14844 symmetry related transformations. Fold (X^C1) == C2 as
14847 2006-02-25 Juergen Weigert <jw@suse.de>
14848 Richard Guenther <rguenther@suse.de>
14850 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14852 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14854 * combine.c (gen_lowpart_or_truncate): Call
14855 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14857 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14859 * doc/invoke.texi: Move -fopenmp description to "Options for
14861 Remove reference to -lgomp.
14863 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14865 * doc/install.texi: Require GNU tar version 1.14.
14867 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14869 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14870 * doc/invoke.texi (C++ Dialect Options): Document
14871 -fno-use-cxa-get-exception-ptr.
14872 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14873 * configure: Regenerate.
14874 * c.opt (fuse-cxa-get-exception-ptr): New.
14875 * c-opts.c (c_common_handle_option): Handle
14876 OPT_fuse_cxa_get_exception_ptr.
14877 * c-common.c (flag_use_cxa_atexit): Update documentation.
14878 (flag_use_cxa_get_exception_ptr): New.
14879 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14880 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14882 (C_COMMON_OVERRIDE_OPTIONS): New.
14884 2006-02-24 Roger Sayle <roger@eyesopen.com>
14886 PR middle-end/24952
14887 * combine.c (try_combine): Explicitly check whether GET_CODE is
14888 a SET or a CLOBBER, instead on checking that it isn't a USE.
14890 2006-02-24 Roger Sayle <roger@eyesopen.com>
14892 * fold-const.c (fold_comparison): New subroutine of fold_binary
14893 containing transformations common to both the equality and
14894 ordering relational operators, factored out of fold_binary.
14895 (fold_binary): Separate out the equality operators (EQ_EXPR
14896 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14897 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14898 transformations common to both.
14899 (fold_div_compare): Fix latent bugs in the previously unreachable
14900 LT_EXPR and GE_EXPR cases.
14902 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14904 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14905 decl libname for clog to __clog on AIX.
14907 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14909 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14912 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14913 output traceback table for thunks. Localise rs6000_stack_info call.
14915 2006-02-23 Roger Sayle <roger@eyesopen.com>
14916 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14918 * gthr-posix.h (__gthrw): Fix typo in comment.
14920 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14922 * doc/cpp.texi (Character sets): Document that we do support
14923 input files to be in any character set.
14925 2006-02-23 Jeff Law <law@redhat.com>
14927 * tree.h (PHI_ARG_NONZERO): Remove.
14928 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14929 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14930 node to the new node.
14932 PR tree-optimization/26425
14933 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14934 min/max, then assume its varying.
14936 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14938 PR rtl-optimization/26316
14939 * rtlanal.c (enum may_trap_p_flags): New.
14940 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14941 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14942 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14943 (may_trap_after_code_motion_p): New function.
14944 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14945 (find_invariant_insn): Use may_trap_after_code_motion_p.
14946 * rtl.h (may_trap_after_code_motion_p): Declare.
14948 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14950 * emit-rtl.c (immed_double_const): Cleanup.
14952 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14954 Fix PR tree-optimization/26376
14955 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14958 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14960 PR middle-end/26412
14961 * gimplify.c (omp_add_variable): Guard variable size decl test with
14962 DECL_SIZE (decl) check.
14964 2006-02-23 Richard Guenther <rguenther@suse.de>
14966 PR middle-end/26439
14967 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14968 like aggregate types.
14970 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14972 * configure.ac: Add --with{,out}-long-double-128 configure option.
14973 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14974 * configure: Rebuilt.
14975 * config.in: Rebuilt.
14976 * doc/install.texi (Options specification): Document
14977 --with-long-double-128.
14979 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14980 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14981 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14982 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14984 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14986 * config/s390/s390.c (override_options): Handle
14987 TARGET_DEFAULT_LONG_DOUBLE_128.
14989 * config/alpha/alpha.c (override_options): Handle
14990 TARGET_DEFAULT_LONG_DOUBLE_128.
14992 * config/sparc/sparc.c (sparc_override_options): Handle
14993 TARGET_DEFAULT_LONG_DOUBLE_128.
14995 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14997 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14998 (real-install-headers-tar, real-install-headers-cpio)
14999 (real-install-headers-cp): New targets.
15001 2006-02-22 Richard Sandiford <richard@codesourcery.com>
15003 * tree.h (variable_section): Delete.
15004 * varasm.c (variable_section): Delete.
15006 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
15008 * install.texi: Add notes on install.texi2html.
15009 (Building in parallel): Do not use footnotes.
15011 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
15014 * doc/install.texi (Configuration): Document --disable-libgomp.
15016 2006-02-21 Geoffrey Keating <geoffk@apple.com>
15018 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
15020 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
15022 * config/i386/sse.md (vec_extractv2df_1_sse): New.
15023 (vec_extractv2df_0_sse): New.
15025 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
15027 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
15028 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
15029 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
15030 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
15031 to the result of the expression.
15032 (def_cfa_1): Adjust.
15033 (frame_pointer_cfa_offset): Rename to...
15034 (frame_pointer_fb_offset): ... this. Adjust all uses.
15035 (convert_cfa_to_loc_list): Rename to...
15036 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
15037 Pass it on to build_cfa_loc.
15038 (compute_frame_pointer_to_cfa_displacement): Rename to...
15039 (compute_frame_pointer_to_fb_displacement): ... this. New
15040 offset parameter. Use it in computation.
15041 (gen_subprogram_die): Compute cfa_fb_offset with the new
15042 macro, and use it to compute the fb loc list and the
15045 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
15047 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
15048 replaced with register_operand.
15049 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
15050 non-DREG is expensive.
15051 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
15052 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
15055 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
15057 * doc/install.texi2html: Use set -e.
15059 2006-02-21 Richard Sandiford <richard@codesourcery.com>
15061 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
15062 (ASM_OUTPUT_SHARED_LOCAL): Delete.
15063 * doc/invoke.texi (-fshared-data): Delete.
15064 * common.opt (fshared-data): Delete.
15065 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
15066 (assemble_static_space): Remove #if 0 code.
15067 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
15068 (ASM_OUTPUT_SHARED_LOCAL): Poison.
15069 * config/cris/cris.h: Remove FIXME.
15071 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
15073 * doc/sourcebuild.texi (Front End Directory): No more double-colon
15076 2006-02-21 Jakub Jelinek <jakub@redhat.com>
15078 PR middle-end/26379
15079 * combine.c (simplify_shift_const_1): Disable nested shifts
15080 optimization for vector shifts.
15082 2006-02-20 Roger Sayle <roger@eyesopen.com>
15084 PR tree-optimization/26361
15085 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
15086 of unsigned integer types.
15088 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
15090 * tree-chrec.c (eq_evolutions_p): New.
15091 * tree-chrec.h (eq_evolutions_p): Declared.
15092 * tree-data-ref.c: Fix formatting.
15093 (datadep_stats, dependence_stats): New.
15095 (print_direction_vector): New.
15096 (dump_data_dependence_relation): Use print_direction_vector.
15097 (object_analysis, create_data_ref): Handle COMPONENT_REF.
15098 (compute_subscript_distance): Static.
15099 (initialize_data_dependence_relation): Static. Get the number
15100 of loops surrounding the references from the callers, and initialize
15101 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
15102 base_object_differ_p analyzers.
15103 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
15104 compute_overlap_steps_for_affine_1_2,
15105 analyze_subscript_affine_affine): Count the classified dependences.
15106 Print a message when a test failed.
15107 (can_use_analyze_subscript_affine_affine): New.
15108 (analyze_siv_subscript): Compute the data dependences on symbolic
15109 scevs that verify can_use_analyze_subscript_affine_affine.
15110 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
15111 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
15112 Handle symbolic scevs.
15113 (analyze_overlapping_iterations): Let symbolic affine scevs to be
15115 (subscript_dependence_tester): Moved...
15116 (build_classic_dist_vector, build_classic_dir_vector): Don't use
15117 lambda_vector_clear on newly allocated vectors. Get nb_loops from
15118 DDR_SIZE_VECT instead of getting it in parameter.
15119 (subscript_dependence_tester): ... here. Take as a parameter
15120 loop_nest_depth. Call build_classic_dist_vector and
15121 build_classic_dir_vector.
15122 (compute_affine_dependence): Update subscript_dependence_tester
15123 parameters. Update datadep_stats counters. Call
15124 compute_subscript_distance.
15125 (compute_self_dependence): Save the dist and dir vectors. Call
15126 compute_subscript_distance.
15127 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
15128 (compute_all_dependences): Reorder parameters as they were before
15129 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
15130 compute_subscript_distance. Update the use of
15131 compute_affine_dependence and initialize_data_dependence_relation.
15132 (find_data_references_in_loop): Handle COMPONENT_REF.
15133 (compute_data_dependences_for_loop): Initialize dependence_stats.
15134 Don't call build_classic_dist_vector and build_classic_dir_vector.
15135 Update the parameters of initialize_data_dependence_relation and
15136 compute_all_dependences. Print the statistics from datadep_stats.
15137 (analyze_all_data_dependences): Static. Not used until the pass for
15138 checking the data dependences is contributed.
15139 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
15140 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
15141 (initialize_data_dependence_relation, compute_affine_dependence,
15142 analyze_all_data_dependences, compute_subscript_distance): Removed.
15143 (print_direction_vector): New.
15144 * lambda.h (gcd): ... here.
15145 (lambda_vector_gcd): Moved here from gcd_vector.
15146 * lambda-code.c (gcd, gcd_vector): Removed.
15147 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
15148 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
15150 2006-02-20 Diego Novillo <dnovillo@redhat.com>
15152 * ipa-type-escape.c: Tidy some comments and white space.
15153 * tree-ssa-operands.c: Likewise.
15155 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
15158 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
15159 (dump_decl_name): Do not walk the decl tree chains.
15160 * tree-pass.h (TDF_CHAIN): Remove.
15162 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15164 * Makefile.in (C): Remove
15166 (.PHONY): Remove C and PROTO
15168 2006-02-20 Roger Sayle <roger@eyesopen.com>
15170 PR middle-end/26236
15171 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
15172 deprecated CHAR_TYPE tree code.
15174 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
15176 * configure.ac (target_list): Add install-info, dvi, html.
15177 * configure: Regenerate.
15179 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
15180 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
15181 treelang/Make-lang.in: Do not use double-colon rules.
15183 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
15185 * tree.h (struct tree_memory_tag): Add is_used_alone member.
15186 (TMT_USED_ALONE): New macro.
15187 * tree-pass.h (PROP_tmt_usage): New property.
15188 (TODO_update_tmt_usage): New todo.
15189 * tree-ssa-alias.c (updating_used_alone): New variable.
15190 (recalculate_used_alone): New function.
15191 (compute_may_aliases): Set updating_used_alone, call
15192 recalculate_used_alone.
15193 * tree-sra.c (pass_sra): Note that this pass destroys
15194 PROP_tmt_usage, and add TODO_update_tmt_usage.
15195 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
15196 * tree-flow.h (updating_used_alone): Prototype.
15197 (recalculate_used_alone): Ditto.
15198 * passes.c (execute_todo): Add code to set updating_used_alone,
15199 and call recalculate.
15200 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
15201 for clobber if used alone, and add assert to verify used_alone
15204 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
15206 * config/s390/s390.c (legitimize_pic_address): Assertions checking
15207 for non tls symbols added.
15208 (legitimize_address): Do nothing for PLUS expressions if one of the
15209 addends is a tls symbol reference.
15211 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
15215 * Makefile.in (LDFLAGS): Define from autoconf substitution.
15217 * Makefile.in (BOOTSTRAPPING): New.
15218 (quickstrap): New definition if BOOTSTRAPPING=yes.
15220 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
15221 * configure.ac: Substitute all_selected_languages with the languages
15222 that were configured. For all the other variables except
15223 lang_specs_files, include all the languages in the tree.
15224 * configure: Regenerate.
15226 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
15227 if there is one. Run the commands to run fixincludes in the same
15230 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
15231 * doc/install.texi: Document exact conventions for searching target tools.
15232 Document --with-build-time-tools. Document toplevel bootstrap. Document
15233 something more about building an Ada cross-compiler. Don't list GNU Make
15234 requirements which affect all platforms.
15236 2006-02-19 Roger Sayle <roger@eyesopen.com>
15238 PR middle-end/19543
15239 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
15240 only equivalent if the have both the same mode and precision.
15242 2006-02-20 Ben Elliston <bje@au.ibm.com>
15244 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
15246 2006-02-19 Roger Sayle <roger@eyesopen.com>
15247 Steven Bosscher <stevenb.gcc@gmail.com>
15249 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
15250 constant pool references to identify stack mode constants.
15251 * rtlanal.c (constant_pool_constant_p): New predicate to check
15252 whether operand is a floating point constant in the pool.
15253 * rtl.h (constant_pool_constant_p): Prototype here.
15254 * loop.c (scan_loop): Avoid hoisting constants from the constant
15255 pool on STACK_REGS targets.
15256 (load_mems): Likewise.
15257 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
15258 loads into x87 registers expensive in terms of register pressure.
15260 2006-02-19 Roger Sayle <roger@eyesopen.com>
15262 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
15263 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
15265 2006-02-19 David Edelsohn <edelsohn@gnu.org>
15267 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15268 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
15270 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
15272 * doc/invoke.texi: Document -fipa-pta.
15273 * common.opt: Add ipa-pta option.
15274 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
15275 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
15276 (do_ds_constraint): Ditto.
15277 (get_constraint_for): Only add to referenced_vars if
15278 referenced_vars exists.
15279 (insert_into_field_list): Rewrite to do this unsorted.
15280 (insert_into_field_list_sorted): Rename old insert_into_field_list
15282 (create_function_info_for): Use insert_into_field_list_sorted.
15283 (create_variable_info_for): Rewrite so it uses unsorted version,
15284 since the field list is sorted.
15285 (intra_create_variable_infos): Only add to referenced_vars if
15286 referenced_vars exists.
15287 (ipa_pta_execute): Init heapvars, and delete when done.
15288 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
15290 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15292 * doc/install.texi: Add missing `@samp'.
15294 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15296 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
15299 2006-02-18 Mark Wielaard <mark@klomp.org>
15301 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
15302 who added new 4.1 features, bug fixes and integration support.
15304 2006-02-18 David Edelsohn <edelsohn@gnu.org>
15307 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
15308 MEM for ABI_V4 pic.
15310 2006-02-18 Richard Sandiford <richard@codesourcery.com>
15312 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
15313 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
15314 (copy_insn_1): Likewise. Don't copy each field individually.
15316 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
15318 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
15319 * rtl.c (rtx_size): Rename variable to...
15320 (rtx_code_size): ...this.
15321 (rtx_size): New function.
15322 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
15323 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
15325 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
15326 * rtl.h (rtx_code_size): New variable.
15327 (rtx_size): Change from a variable to a function.
15328 (RTX_SIZE): Rename to...
15329 (RTX_CODE_SIZE): ...this.
15332 PR tree-optimization/17106
15333 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
15334 (Anchored Addresses): New section.
15335 * doc/invoke.texi (-fsection-anchors): Document.
15336 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
15337 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
15338 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
15339 * hooks.c (hook_bool_mode_rtx_false): New function.
15340 * hooks.h (hook_bool_mode_rtx_false): Declare.
15341 * gengtype.c (create_optional_field): New function.
15342 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
15343 SYMBOL_REF_IN_BLOCK_P is true.
15344 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
15345 (min_anchor_offset, max_anchor_offset): Likewise.
15346 (use_anchors_for_symbol_p): New hook.
15347 * toplev.c (compile_file): Call output_object_blocks.
15348 (target_supports_section_anchors_p): New function.
15349 (process_options): Check that -fsection-anchors is only used on
15350 targets that support it and when -funit-at-a-time is in effect.
15351 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
15352 if the decl doesn't have one.
15353 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
15354 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
15355 of force_const_mem through use_anchored_address.
15356 (expand_expr_constant): New function.
15357 (expand_expr_addr_expr_1): Call it. Use the same modifier when
15358 calling expand_expr for INDIRECT_REF.
15359 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
15360 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
15361 * expr.h (use_anchored_address): Declare.
15362 * loop-unroll.c: Don't declare rtx vectors here.
15363 * explow.c: Include output.h.
15364 (validize_mem): Call use_anchored_address.
15365 (use_anchored_address): New function.
15366 * common.opt (-fsection-anchors): New switch.
15367 * varasm.c (object_block_htab, anchor_labelno): New variables.
15368 (hash_section, object_block_entry_eq, object_block_entry_hash)
15369 (use_object_blocks_p, get_block_for_section, create_block_symbol)
15370 (use_blocks_for_decl_p, change_symbol_section): New functions.
15371 (get_variable_section): New function, split out from assemble_variable.
15372 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
15373 use_blocks_for_decl_p say so. Use change_symbol_section if the
15374 symbol has already been created.
15375 (assemble_variable_contents): New function, split out from...
15376 (assemble_variable): ...here. Don't output any code for
15377 block symbols; just pass them to place_block_symbol.
15378 Use get_variable_section and assemble_variable_contents.
15379 (get_constant_alignment, get_constant_section, get_constant_size): New
15380 functions, split from output_constant_def_contents.
15381 (build_constant_desc): Create a block symbol if use_object_blocks_p
15382 says so. Or into SYMBOL_REF_FLAGS.
15383 (assemble_constant_contents): New function, split from...
15384 (output_constant_def_contents): ...here. Don't output any code
15385 for block symbols; just pass them to place_section_symbol.
15386 Use get_constant_section and get_constant_alignment.
15387 (force_const_mem): Create a block symbol if use_object_blocks_p and
15388 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
15389 (output_constant_pool_1): Add an explicit alignment argument.
15390 Don't switch sections here.
15391 (output_constant_pool): Adjust call to output_constant_pool_1.
15392 Switch sections here instead. Don't output anything for block symbols;
15393 just pass them to place_block_symbol.
15394 (init_varasm_once): Initialize object_block_htab.
15395 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
15396 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
15397 (place_block_symbol, get_section_anchor, output_object_block)
15398 (output_object_block_htab, output_object_blocks): New functions.
15399 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
15400 (TARGET_ASM_OUT): Include it.
15401 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
15402 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
15403 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
15404 (TARGET_INITIALIZER): Include them.
15405 * rtl.c (rtl_check_failed_block_symbol): New function.
15406 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
15407 (block_symbol, object_block): New structures.
15408 (rtx_def): Add a block_symbol field to the union.
15409 (BLOCK_SYMBOL_CHECK): New macro.
15410 (rtl_check_failed_block_symbol): Declare.
15411 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
15412 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
15413 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
15414 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
15415 * output.h (output_section_symbols): Declare.
15416 (object_block): Name structure.
15417 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
15418 (default_use_anchors_for_symbol_p): Declare.
15419 * Makefile.in (RTL_BASE_H): Add vec.h.
15420 (explow.o): Depend on output.h.
15421 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
15422 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15423 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15424 (rs6000_use_blocks_for_constant_p): New function.
15426 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15428 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
15430 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15433 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
15436 2006-02-18 Diego Novillo <dnovillo@redhat.com>
15438 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
15442 2006-02-18 Jakub Jelinek <jakub@redhat.com>
15444 PR middle-end/26334
15445 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
15446 instead of DECL_REGISTER.
15448 2006-02-18 Olivier Hainque <hainque@adacore.com>
15451 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
15453 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15456 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
15457 * opth-gen.awk: Handle Var and InverseMask together.
15458 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
15459 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
15460 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
15461 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15463 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15464 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15465 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15466 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15467 LINUX_DYNAMIC_LINKER): Define.
15468 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15469 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15471 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15472 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15473 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15474 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15475 (TARGET_C99_FUNCTIONS): Don't define.
15476 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15477 GLIBC_DYNAMIC_LINKER.
15478 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15479 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15480 GLIBC_DYNAMIC_LINKER64): Define.
15481 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15482 LINUX_DYNAMIC_LINKER64.
15483 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15484 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15485 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15486 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15487 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15488 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15489 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15490 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15491 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15492 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15493 and LINUX_DYNAMIC_LINKER32.
15494 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15495 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15496 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15497 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15498 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15500 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15501 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15502 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15503 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15504 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15505 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15506 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15507 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15508 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15509 LINUX_DYNAMIC_LINKER): Define.
15510 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15511 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15512 GLIBC_DYNAMIC_LINKER64): Define.
15513 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15514 LINUX_DYNAMIC_LINKER64.
15515 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15516 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15517 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15518 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15519 LINUX_DYNAMIC_LINKER): Define.
15520 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15521 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15522 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15523 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15524 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15525 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15526 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15527 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15528 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15529 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15530 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15531 * doc/invoke.texi (-muclibc): Remove caveat about supported
15534 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15536 * doc/cpp.texi (__TIMESTAMP__): Document.
15538 2006-02-17 Roger Sayle <roger@eyesopen.com>
15540 PR middle-end/25600
15541 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15542 C is one less than the width of X (and related transformations).
15543 * simplify-rtx.c (simplify_unary_operation_1): Transform
15544 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15545 depending on STORE_FLAG_VALUE, were C is one less then the
15548 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15550 Fix PR tree-optimization/26341
15551 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15552 about NAME_MEMORY_TAG's.
15554 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15557 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15558 with hardware float support, and software float support. Add fcpy
15559 alternative to hardware patterns. Add alternatives to copy between
15560 general and floating-point registers to the 32-bit pattern.
15561 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15562 secondary reload to load a QI or HI mode constant into a floating
15564 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15565 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15567 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15570 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15572 (load_macho_picbase_di): Likewise.
15574 2006-02-16 Jeff Law <law@redhat.com>
15576 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15577 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15578 (ssa_name_nonzero_p): Likewise.
15579 (get_value_range): Return NULL if VRP is not running.
15580 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15581 VRP routines do not discover a range.
15582 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15583 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15584 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15585 (tree_expr_nonnegative_p): Similarly.
15586 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15587 (restore_nonzero_vars_to_original_value): Remove.
15588 (unsafe_associative_fp_binop): Remove.
15589 (tree_ssa_dominator_optimize): Remove initialization and
15590 finalization of nonzero_vars and nonzero_vars_stack.
15591 (dom_opt_initialize_block): No longer push marker on
15592 nonzero_vars_stack.
15593 (dom_opt_finalize_block): No longer call
15594 restore_nonzero_vars_to_original_value.
15595 (record_equivalences_from_phis): No longer look for
15596 nonzero PHI arguments.
15597 (cprop_into_successor_phis): No longer propagate nonzero
15598 property into PHI arguments. Lose unused argument. Caller
15600 (record_equivalences_from_stmt): No longer record nonzero
15601 values for SSA_NAMEs.
15602 (lookup_avail_expr): No longer use nonzero_vars.
15604 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15605 for sizetype when sizetype is unsigned.
15607 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15609 PR rtl-optimization/25603
15610 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15611 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15612 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15613 with new meaning of SETS.
15615 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15620 * config/linux.opt: New file.
15621 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15622 LINUX_DYNAMIC_LINKER): Define.
15623 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15624 * config.gcc (*-*-linux*): Define extra_options.
15625 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15626 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15627 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15628 GLIBC_DYNAMIC_LINKER.
15629 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15630 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15631 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15632 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15633 * doc/invoke.texi (GNU/Linux Options): New section.
15635 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15637 * config/sparc/sparc.md (setjmp): Rewrite.
15638 (setjmp_32): Delete.
15639 (setjmp_64): Likewise.
15641 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15643 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15646 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15648 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15651 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15653 PR rtl-optimization/26296
15654 * Makefile.in (loop-invariant.c): Add except.h dependency.
15655 * loop-invariant.c: Include except.h.
15656 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15658 2005-02-16 Paul Brook <paul@codesourcery.com>
15660 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15663 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15665 PR rtl-optimization/25636
15666 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15667 when deciding whether an insn is an initializing insn.
15669 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15671 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15672 (tree_code_size): Ditto.
15673 * tree.h (struct tree_memory_tag): Remove parent_var.
15674 (struct tree_struct_field_tag): New.
15677 (union tree_node): Add sft member.
15678 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15680 (create_sft): Add size and offset argument, set SFT_OFFSET and
15682 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15683 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15684 * tree-flow-inline.h (get_subvar_at): Update for
15685 SFT_OFFSET/SFT_SIZE.
15686 (var_can_have_subvars): Ditto.
15687 (overlap_subvar): Ditto.
15688 * print-tree.c (print_node): Print out interesting things for
15690 * tree-flow.h (struct subvar): Remove offset and size members.
15691 * tree-ssa-operands.c (get_expr_operands): Update for
15692 get_indirect_ref_operands changes.
15693 (get_indirect_ref_operands): Call add_virtual_operand instead of
15694 add_stmt_operand. Only recurse on base var if requested.
15695 (access_can_touch_variable): New function.
15696 (add_stmt_operand): Split virtual operand handling into ...
15697 (add_virtual_operand): Here. Add offset, size, and for_clobber
15698 arguments. Prune alias sets.
15699 (add_call_clobber_ops): Call add_virtual_operand.
15701 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15703 PR middle-end/26300
15704 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15706 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15707 than TREE_CODE as index into omp_clause_num_ops array.
15709 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15711 PR rtl-optimization/26184
15712 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15714 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15715 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15716 must_precede, must_follow and tobe_scheduled.
15719 * opts.c (common_handle_option): Free new_option pointer.
15720 * df-core.c (df_analyze): Free postorder pointer.
15722 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15724 * Makefile.in: Fix the examples about the use of stamps
15726 2006-02-15 Michael Matz <matz@suse.de>
15728 PR middle-end/22275
15730 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15731 influenced by maximum_field_alignment or DECL_PACKED.
15732 (update_alignment_for_field): Ditto.
15733 (place_field): Ditto.
15734 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15737 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15739 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15740 (debug_flow_info): Pass it.
15741 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15742 * bb-reorder.c (reorder_basic_blocks): Likewise.
15743 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15744 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15745 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15746 * gcse.c (gcse_main, bypass_jumps): Likewise.
15747 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15748 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15749 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15750 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15751 * rtl.h (dump_flow_info): Adjust prototype.
15752 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15753 * var-tracking.c (variable_tracking_main): Likewise.
15754 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15755 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15758 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15760 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15763 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15765 PR tree-optimization/26209
15766 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15767 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15769 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15771 2006-02-14 Roger Sayle <roger@eyesopen.com>
15773 PR middle-end/23670
15774 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15775 (X,Y) and the corresponding symmetry related transformations.
15776 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15777 (X,Y) and its symmetry related transformations.
15779 2006-02-14 Roger Sayle <roger@eyesopen.com>
15781 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15784 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15786 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15788 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15791 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15792 support COMDAT group.
15793 * configure: Regenerate.
15795 2006-02-14 Roger Sayle <roger@eyesopen.com>
15797 PR middle-end/26279
15798 PR middle-end/26280
15799 PR middle-end/26283
15800 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15802 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15804 Fix PR tree-optimization/26260
15806 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15808 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15809 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15810 * tree-ssa-structalias.c (create_variable_info_for): Use
15811 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15813 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15815 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15817 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15818 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15819 of the ending condition.
15820 * tree-ssa-loop-manip.c: Include params.h.
15821 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15822 tree_unroll_loop): New functions.
15823 * tree-pass.h (pass_loop_prefetch): Declare.
15824 * loop.c (rest_of_handle_loop_optimize): Test for
15825 -fprefetch-loop-arrays-rtl.
15826 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15827 * timevar.def (TV_TREE_PREFETCH): New timevar.
15828 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15829 pass_loop_prefetch): New.
15830 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15831 (cleanup_tree_cfg_loop): Call scev_reset.
15832 * common.opt (fprefetch-loop-arrays-rtl): Add.
15833 * tree-ssa-loop-prefetch.c: New file.
15834 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15835 (new_temp_expr_table): Initialize expr_vars.
15836 (free_temp_expr_table): Cleanup expr_vars.
15837 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15838 expressions from being merged into one.
15839 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15840 (struct tree_niter_desc): Add control, bound and cmp fields.
15841 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15843 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15844 (tree-cfgcleanup.o): Add SCEV_H dependency.
15845 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15846 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15848 2006-02-14 Richard Guenther <rguenther@suse.de>
15850 PR tree-optimization/26258
15851 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15852 in PHI argument processing.
15854 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15856 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15857 new expression in the requested machine mode.
15859 2006-02-13 Roger Sayle <roger@eyesopen.com>
15861 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15862 directly, instead let do_compare_rtx_and_jump handle this for us.
15863 * expr.c (expand_expr_real_1): Likewise.
15864 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15865 before do_jump_by_parts_greater.
15866 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15867 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15869 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15871 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15873 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15875 PR rtl-optimization/26235
15876 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15877 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15880 2006-02-13 Jeff Law <law@redhat.com>
15882 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15885 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15887 PR middle-end/26092
15888 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15889 twice if decl is a builtin. When trying again, call get_callee_fndecl
15890 first to verify it is still a builtin.
15892 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15894 * dwarf2out.c (base_type_die): Don't add AT_name here.
15895 (subrange_type_die): Don't add AT_name here.
15896 (modified_type_die): Rearrange code flow. Do add AT_name here.
15898 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15900 PR rtl-optimization/26247
15901 PR rtl-optimization/26248
15902 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15904 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15906 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15907 * config/fixtfdi.c: Likewise.
15908 * config/fixunstfdi.c: Likewise.
15909 * config/floatditf.c: Likewise.
15911 2006-02-13 Roger Sayle <roger@eyesopen.com>
15913 PR middle-end/24427
15914 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15915 into (X,C2) if C1 is a subset of the bits of C2. Transform
15916 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15918 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15920 2006-02-13 Josh Conner <jconner@apple.com>
15923 * varasm.c (function_section): Check for section name before
15924 calling select_section on targets that define
15925 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15926 unlikely_text_section instead of hot_function_section if
15927 first_function_block_is_cold.
15929 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15931 PR middle-end/25335
15932 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15934 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15936 PR rtl-optimization/26222
15937 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15938 after tree->rtl expansion.
15939 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15940 before passing it to emit_move_insn.
15942 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15944 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15946 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15947 Clarify documentation.
15948 * c-common.h (warn_write_strings): Remove.
15949 * c-common.c (warn_write_strings): Likewise.
15950 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15953 2006-02-12 Roger Sayle <roger@eyesopen.com>
15955 PR middle-end/25724
15956 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15957 (do_jump_parts_zero_rtx): New function renamed from
15958 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15959 (do_jump_parts_equality_rtx): New function split out from
15960 do_jump_parts_equality. Old implementation renamed as above.
15961 Call do_jump_parts_zero_rtx if either operand is zero.
15962 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15963 do all of the heavy lifting.
15964 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15965 calling either do_jump_by_parts_greater_rtx or
15966 do_jump_by_parts_equality_rtx.
15967 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15968 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15969 moved to do_compare_rtx_and_jump, call it directly.
15970 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15971 mode argument. Call do_compare_rtx_and_jump.
15972 (emit_case_nodes): Update calls to do_jump_if_equal.
15974 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15976 PR rtl-optimization/26225
15977 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15979 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15981 PR rtl-optimization/26232
15982 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15984 2006-02-11 Jason Merrill <jason@redhat.com>
15987 * tree-inline.c (declare_return_variable): Just don't use the
15988 modify target if it's a gimple complex reg and the return slot
15991 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15993 * doc/contrib.texi: Update my entry.
15995 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15997 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15999 2006-02-10 Diego Novillo <dnovillo@redhat.com>
16001 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
16004 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
16006 * doc/invoke.texi (-floop-optimize2): Removed.
16007 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
16008 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
16009 Test flag_branch_on_count_reg only if HAVE_doloop_end.
16010 * common.opt (floop-optimize2): Removed.
16011 (fmove-loop-invariants): Enabled by default.
16013 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
16015 * tree-if-conv.c (combine_blocks): Free the result of
16016 get_loop_exit_edges.
16018 2006-02-10 Jeff Law <law@redhat.com>
16020 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
16022 PR tree-optimization/26213
16023 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
16024 loop trying to follow SSA_NAME_VALUE chains.
16026 2006-02-10 Richard Guenther <rguenther@suse.de>
16028 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
16029 deal with structures that end in implicitly variable sized arrays.
16031 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
16033 PR rtl-optimization/24762
16034 * df-scan.c (df_bb_refs_record): Record correct registers defined on
16037 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
16039 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
16040 (struct ivopts_data): Add regs_used field.
16041 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
16042 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
16043 instead of loop_data->regs_used;
16044 (free_loop_data): Do not free aux fields for loops.
16045 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
16046 and tree_ssa_iv_optimize_finalize.
16048 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
16050 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
16052 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
16055 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
16056 computing the effective result type.
16058 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
16060 PR inline-asm/16194
16061 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
16062 (tree_overlaps_hard_reg_set): Declare.
16063 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
16064 type and signature to match function type expected by walk_tree.
16065 (tree_overlaps_hard_reg_set): New function.
16066 (decl_conflicts_with_clobbers_p): Rename to:
16067 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
16068 Use tree_overlaps_hard_reg_set. Changed caller.
16069 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
16070 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
16071 * cris.c (cris_md_asm_clobbers): Likewise.
16073 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
16075 * reload1.c (emit_input_reload_insns): Delete code that tries to
16076 inherit using find_equiv_reg.
16078 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
16080 * c-common.h (flag_const_strings): Don't declare.
16081 * c-common.c (flag_const_strings): Remove.
16082 * c.opt (fconst_strings): Remove.
16083 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
16084 <OPT_Wwrite_strings>: Don't set flag_const_strings.
16085 (c_common_init_options): Don't set flag_const_strings.
16086 * doc/invoke.texi (-fno-const-strings): Remove documentation.
16088 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
16090 * arm.md (tlobits_cbranch): New pattern.
16091 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
16092 testing a single bit.
16094 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16097 * tree-ssa-pre.c (create_component_ref_by_pieces):
16098 Handle RETURN_DECL like VAR_DECL.
16100 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16102 PR middle-end/26134
16103 * fold-const.c (fold_indirect_ref_1): Fold
16104 "*(foo *)&complexfoo" to "__real__ complexfoo"
16105 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
16107 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16109 * tree-flow-inline.h (var_can_have_subvars):
16110 Volatile variables should not have subvariables.
16112 2006-02-09 Diego Novillo <dnovillo@redhat.com>
16115 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
16116 multiplying unsigned values.
16119 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
16121 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
16123 2006-02-08 Jason Merrill <jason@redhat.com>
16126 * tree.def: Elaborate on difference from MODIFY_EXPR.
16127 * doc/c-tree.texi (INIT_EXPR): Likewise.
16128 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
16129 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
16130 (gimplify_target_expr): Likewise.
16131 (gimplify_cond_expr): Remove target handling.
16132 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
16133 (gimplify_expr): Clobber it here.
16134 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
16135 Do return slot optimization if we have an INIT_EXPR.
16138 * tree-inline.c (declare_return_variable): Also clear
16139 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
16142 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
16144 PR middle-end/22439
16145 * gimplify.c (gimplify_one_sizepos): Fix typo.
16147 2006-02-08 Jeff Law <law@redhat.com>
16149 PR tree-optimization/21417
16150 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
16151 across a backedge if the control statement at the end of the
16152 block is data dependent on other statements in the same block.
16153 (record_temporary_equivalences_from_stmts): Remove over-conservative
16154 test for threading across backedges.
16156 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
16157 control statement, handle all three special cases in the same
16158 manner as they all have the same desired solution. No longer
16159 special case edge flag updating when the post dominator is
16162 2006-02-08 Roger Sayle <roger@eyesopen.com>
16164 * tree.def (CHAR_TYPE): Remove.
16165 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
16166 * dwarf2out.c (base_type_die, is_base_type): Likewise.
16167 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
16168 (gen_string_type_die): Delete unreachable function.
16170 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
16171 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
16172 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
16173 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
16174 * builtins.c (type_to_class): Likewise.
16175 * fold-const.c (fold_convert, build_range_check,
16176 merge_ranges): Likewise.
16177 * expr.c (count_type_elements): Likewise.
16178 * c-pretty-print.c (pp_c_type_specifier): Likewise.
16179 * stor-layout.c (layout_type): Likewise.
16180 * ipa-type-escape.c (type_to_consider): Likewise.
16181 * gimplify.c (omp_firstprivatize_type_sizes,
16182 gimplify_type_sizes): Likewise.
16183 * explow.c (promote_mode): Likewise.
16184 * tree-sra.c (is_sra_scalar_type): Likewise.
16185 * varasm.c (output_constant): Likewise.
16186 * tree-inline.c (remap_type_1): Likewise.
16187 * convert.c (convert_to_pointer, convert_to_real,
16188 convert_to_integer, convert_to_complex): Likewise.
16190 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
16192 * df-scan.c (df_def_record_1): A set destination may
16193 be a parallel regardless of mode.
16195 2006-02-08 Roger Sayle <roger@eyesopen.com>
16198 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
16199 * config/mips/_tilib.c: Remove.
16200 * config/fixtfdi.c: New libgcc source file.
16201 * config/fixunstfdi.c: New source file.
16202 * config/floatditf.c: New source file.
16203 * config/floatunditf.c: New souce file.
16204 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
16205 files above instead of config/mips/_tilib.c.
16206 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
16208 2006-02-08 Jeff Law <law@redhat.com>
16210 PR tree-optimization/26169
16211 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
16214 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
16216 * df.h (DF_REG_SIZE): Return the length of the initialized
16219 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
16221 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
16222 __muldf3): Return a correctly signed zero.
16224 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
16226 * passes.c (register_one_dump_file): Accept the current properties
16227 instead of pass number. Adjust call to dump_register. Remove
16229 (register_dump_files): Now a wrapper around...
16230 (register_dump_files_1): ... this one. Do not modify the pass
16232 (next_pass_1): Cosmetic fix.
16233 (execute_todo): Keep second parameter only. Use curr_properties
16234 instead of fetching it from the pass structure. Check and set
16236 (execute_one_pass): Handle TODO_set_props. Use curr_properties
16237 instead of fetching it from the pass structure. Fix calls to
16238 execute_todo. Update curr_properties and initialize .vcg RTL dump
16239 after running the pass. Reset last_verified.
16240 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
16242 (FIRST_AUTO_NUMBERED_DUMP): New.
16243 (dump_register): Remove "num" parameter, assign it within the
16245 (get_dump_file_name): Modify template for dumps.
16246 * tree-dump.h (dump_register): Adjust prototype.
16247 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
16248 (PROP_trees): Add PROP_gimple_lomp.
16249 (TODO_set_props): New.
16250 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
16251 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
16252 * cfgexpand.c (pass_expand): Destroy PROP_trees.
16254 2006-02-08 Jakub Jelinek <jakub@redhat.com>
16256 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
16257 (sparc64-*-linux*): Likewise.
16258 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
16259 * config/sparc/t-linux: New file.
16260 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
16261 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
16262 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
16263 -m32 -mlong-double-128.
16265 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
16266 * config/alpha/t-linux: New file.
16267 * config/alpha/libgcc-alpha-ldbl.ver: New file.
16269 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
16270 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
16271 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
16272 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
16273 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
16274 (CPP_ARCH32_SPEC): Remove.
16276 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
16278 PR tree-optimization/26145
16279 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
16282 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16285 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
16286 >= 240000 when generating code for SOM runtime.
16287 (output_indirect_call): Don't use "b,l" instruction for indirect calls
16288 to $$dyncall when generating code for SOM runtime..
16290 2006-02-07 Dirk Mueller <dmueller@suse.com>
16293 * doc/invoke.texi (-Wsequence-point): Update documentation
16294 that -Wsequence-point is implemented for C++ as well.
16296 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16298 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
16299 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
16300 (LIB_SPEC): Likewise.
16301 * doc/invoke.texi (SPARC options): Document -pthread.
16303 2006-02-07 Geoffrey Keating <geoffk@apple.com>
16305 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
16308 2006-02-07 Roger Sayle <roger@eyesopen.com>
16310 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
16311 Correct comment describing BOOLEAN_TYPE.
16313 2006-02-07 Dirk Mueller <dmueller@suse.com>
16315 * c.opt: C++ frontend supports -Wdiv-by-zero.
16316 * c-opts.c (c_common_handle_option): Remove dead case.
16318 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16320 * configure.ac (TLS assembler check): Do not enable TLS by
16321 default on SPARC/Solaris before version 10.
16322 * configure: Regenerate.
16324 2006-02-07 David Edelsohn <edelsohn@gnu.org>
16326 * doc/invoke.texi (xl-compat): Document conversion and support
16329 2006-02-07 Jeff Law <law@redhat.com>
16331 * tree-vrp.c (find_conditional_asserts): Update comments.
16332 (simplify_stmt_for_jump_threading): New.
16333 (identify_jump_threads, finalize_jump_threads): New.
16334 (vrp_finalize): Call identify_jump_threads.
16335 (execute_vrp): Call finalize_jump_threads.
16336 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
16337 (vrp_element, vrp_data, vrp_element_p): Remove.
16338 (vrp_hash_elt, vrp_variables_stack): Remove.
16339 (vrp_hash, vrp_eq, record_range): Remove.
16340 (simplify_cond_and_lookup_avail_expr): Remove.
16341 (extract_range_from_cond): Remove.
16342 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
16343 (simplify_stmt_for_jump_threading): New.
16344 (dom_thread_across_edge): New wrapper.
16345 (tree_ssa_dominator_optimize): No longer initialize or
16346 finalize any of the VRP datastructures. Remove iteration
16347 step and simplify as a result of removal of iteration step.
16348 (pass_dominator): Perform a cfg cleanup after DOM.
16349 (dom_opt_finalize_block): Use the new common routines
16350 for threading jumps. Simplify stack management slightly.
16351 No longer need to unwind VRP state.
16352 (record_equivalences_from_incoming_edge): No longer record
16354 (eliminate_redundant_computations): No longer call
16355 simplify_cond_and_lookup_avail_expr.
16356 * tree-flow.h (potentially_threadable_block): Prototype.
16357 (thread_across_edge): Likewise.
16358 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
16359 (tree-ssa-threadedge.o): Add dependencies.
16360 * tree-ssa-threadedge.c: New file.
16361 * passes.c (init_optimization_passes): Merge PHIs before
16362 calling VRP. Run VRP again late in the SSA optimization pipeline.
16364 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16366 * df-core.c (df_set_blocks): Do not dereference function pointers.
16367 (df_finish1): Likewise.
16368 (df_hybrid_search_forward): Likewise.
16369 (df_hybrid_search_backward): Likewise.
16370 (df_iterative_dataflow): Likewise.
16371 (df_analyze_problem): Likewise.
16372 (df_compact_blocks): Likewise.
16373 (df_dump): Likewise.
16374 * df-scan.c (df_rescan_blocks): Likewise.
16375 (df_record_entry_block_defs): Likewise.
16377 * genconditions.c (write_conditions): Guard the definition of
16378 'insn_conditions' with the check on GCC version.
16379 (write_writer): Guard the traversal 'insn_conditions' with
16380 the check on GCC version.
16382 2006-02-07 Richard Guenther <rguenther@suse.de>
16386 2006-01-30 Richard Guenther <rguenther@suse.de>
16388 * gimplify.c (gimplify_target_expr): Handle easy cases
16389 without creating a temporary.
16391 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
16393 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
16394 use of float in probability computations. Use edge probabilities
16395 in place of statically computed probabilities.
16396 (min_spec_prob): New static variable.
16397 (schedule_insns): Initialize it.
16398 (GET_SRC_PROB): Removed.
16399 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
16401 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
16404 * config/ia64/unwind-ia64.c: Revert last change.
16405 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
16406 (INCOMING_FRAME_SP_OFFSET): Define.
16408 2006-02-06 Roger Sayle <roger@eyesopen.com>
16410 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
16412 2006-02-07 Ben Elliston <bje@au.ibm.com>
16414 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
16415 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
16416 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
16417 (ix86_return_in_memory): Handle TDmode.
16418 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
16419 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
16421 2006-02-06 Richard Sandiford <richard@codesourcery.com>
16423 * reorg.c (dbr_schedule): Use dump_file instead of file.
16425 2006-02-06 Steve Ellcey <sje@cup.hp.com>
16428 * config/ia64/predicates.md (extr_len_operand): New predicate.
16429 * config/ia64/ia64.md (extv): Tighten constraints.
16431 (*tbit_and_2): Ditto.
16432 (*tbit_and_3): Ditto.
16433 (*tbit_or_2): Ditto.
16434 (*tbit_or_3): Ditto.
16435 (*bit_zero): Ditto.
16438 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
16441 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
16443 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
16445 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
16446 loop_optimizer_init and loop_optimizer_finalize
16447 * tree-ssa-sink.c (execute_sink_code): Ditto.
16448 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16449 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
16450 tree_ssa_loop_done): Ditto.
16451 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
16452 * sched-ebb.c: Include output.h.
16453 (schedule_ebbs): Do not use dump argument.
16454 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
16455 * loop.c (loop_dump_stream): Removed.
16456 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
16458 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
16459 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
16460 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
16461 loop_iterations, strength_reduce, record_biv, record_giv,
16462 final_giv_value, check_final_value, check_ext_dependent_givs,
16463 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16464 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16465 dump_file instead of loop_dump_stream.
16466 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16467 argument dump_file.
16468 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16470 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16471 * haifa-sched.c: Include output.h
16472 (schedule_insns, sched_init): Do not use dump argument.
16473 * mode-switching.c (optimize_mode_switching): Ditto.
16474 * modulo-sched.c (stats_file): Removed.
16475 (print_node_sched_params): Do not call argument dump_file.
16476 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16477 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16479 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16481 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16482 rtl_loop_init, rtl_loop_done): Ditto.
16483 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16484 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16486 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16487 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16488 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16489 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16490 * emit-rtl.c (renumber_insns): Ditto.
16491 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16492 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16493 * regclass.c (regclass): Ditto.
16494 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16495 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16496 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16497 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16499 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16500 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16502 * gcse.c (gcse_file, debug_stderr): Removed.
16503 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16504 rest_of_handle_gcse): Do not use dump argument.
16505 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16506 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16507 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16508 compute_code_hoist_vbeinout, compute_code_hoist_data,
16509 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16510 compute_store_table, build_store_vectors, insert_insn_start_bb,
16511 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16512 store_motion): Use dump_file instead of gcse_file.
16513 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16514 * profile.c (profile_dump_file): Removed.
16515 (branch_prob): Use dump_file instead of profile_dump_file.
16516 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16518 * tree-ssa-copy.c (dump_copy_of): Ditto.
16519 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16520 dump file to life_analysis.
16521 * bt-load.c (branch_target_load_optimize): Ditto.
16522 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16524 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16525 regclass, dbr_schedule): Declaration changed.
16526 * sched-int.h (sched_init): Declaration changed.
16527 * tree-profile.c (tree_profile_dump_file): Removed.
16528 (tree_profile_hooks): Removed profile_dump_file hook.
16529 * rtl-profile (rtl_profile_dump_file): Removed.
16530 (rtl_profile_hooks): emoved profile_dump_file hook.
16531 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16533 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16534 * tree-cfg.c (build_tree_cfg): Ditto.
16535 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16536 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16537 Declaration changed.
16538 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16539 life_analysis and schedule_insns.
16540 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16542 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16544 * config/mips/mips.c (mips_reorg): Ditto.
16545 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16548 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16550 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16551 (s390_mangle_fundamental_type): New.
16552 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16555 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16556 (alpha_mangle_fundamental_type): New.
16557 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16560 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16562 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16564 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16565 (sparc_mangle_fundamental_type): New.
16567 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16569 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16570 (s390x-*-linux*): Likewise.
16571 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16572 * config/s390/t-linux: New file.
16574 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16576 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16577 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16579 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16581 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16582 (ANTIC_SAFE_LOADS): New macro.
16583 (find_or_generate_expression): Add prototype.
16584 (set_contains_value): Allow null set for sake of not always having
16585 to allocate ANTIC_SAFE_LOADS.
16586 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16587 Allow COMPONENT_REF too.
16588 (valid_in_set): Allow COMPONENT_REF.
16589 Check ANTIC_SAFE_LOADS too.
16590 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16591 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16593 (can_PRE_operation): Add COMPONENT_REF.
16594 (create_component_ref_by_pieces): New function.
16595 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16596 (insert_aux): Move AGGREGATE_TYPE_P check here.
16597 (compute_avail): Set bb local stmt uids.
16598 (pass_pre): Use TODO_update_ssa_only_virtuals.
16600 2006-02-06 Ben Elliston <bje@au.ibm.com>
16602 * configure.ac: Unconditionally disable decimal float by default.
16603 * configure: Regenerate.
16605 2006-02-06 Ben Elliston <bje@au.ibm.com>
16607 * read-rtl.c (read_name): Terminate reading on EOF.
16609 2006-02-06 Ben Elliston <bje@au.ibm.com>
16611 * dfp.c (decimal_real_arithmetic): Change second argument type
16612 from int to enum tree_code. Do not always return true, but now
16613 return result of any call to decimal_do helper functions.
16614 * dfp.h (decimal_real_arithmetic): Update prototype.
16616 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16618 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16620 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16623 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16626 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16628 * tree-vrp.c (cfg_loops): Removed.
16629 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16630 Use current_loops instead of cfg_loops. Pass flags to
16631 loop_optimizer_init.
16632 * cfgloopmanip.c (fix_loop_structure): Update only available
16634 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16635 loop_optimizer_init.
16636 * modulo-sched.c (build_loops_structure): Removed.
16637 (sms_schedule): Use loop_optimizer_init.
16638 * loop-init.c (loop_optimizer_init): Use flags to determine
16639 which properties of loops to prepare.
16640 (rtl_loop_init): Pass flags to loop_optimizer_init.
16641 * tree-ssa-sink.c (execute_sink_code): Ditto.
16642 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16643 * tree-ssa-pre.c (init_pre): Ditto.
16644 * cfgloop.h (LOOPS_NORMAL): New.
16645 (loop_optimizer_init): Declaration changed.
16647 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16649 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16650 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16652 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16654 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16656 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16657 * pa/t-pa64: Delete quadlib.c rule.
16658 * pa/x-ada: Revert last change.
16659 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16661 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16663 PR rtl-optimization/26087
16664 * rtlanal.c (canonicalize_condition): Do not cross basic block
16667 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16670 * config/ia64/ia64.c: Include debug.h.
16671 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16672 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16673 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16674 (process_epilogue, process_set, process_for_unwind_directive):
16675 Output unwind info only if requested. Add CFA info if requested.
16676 Add new arguments as needed. Adjust callers.
16677 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16679 (DWARF2_FRAME_INFO): Define to zero.
16680 * config/ia64/unwind-ia64.c: Remove code that compensated for
16681 the CFA offset error fixed above.
16682 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16683 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16684 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16685 -funwind-tables and -fexceptions to enable frame info.
16686 (dwarf2out_frame_init): Define initial CFA even if
16687 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16688 DWARF2_UNWIND_INFO is nonzero, not just defined.
16689 (dwarf2out_frame_finish): Output non-EH call frame info only
16690 if DWARF2_FRAME_INFO is nonzero.
16691 (convert_cfa_to_loc_list,
16692 compute_frame_pointer_to_cfa_displacement): Define even if
16693 unwind info is not supported.
16694 (gen_subprogram_die): Use the above unconditionally. Remove
16695 legacy alternate code.
16696 * toplev.c (compile_file): Compile in call to
16697 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16698 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16700 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16701 Jakub Jelinek <jakub@redhat.com>
16703 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16704 IBM extended float format long double as "g" on powerpc*-linux.
16706 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16709 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16710 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16712 2006-02-03 Jason Merrill <jason@redhat.com>
16715 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16717 PR middle-end/25977
16718 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16719 on the return slot if it's an NRV.
16721 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16723 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16724 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16725 rewrite_use): Do not handle USE_OUTER.
16726 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16727 add_iv_outer_candidates, may_replace_final_value,
16728 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16729 (find_interesting_uses_op): Functionality of
16730 find_interesting_uses_outer_or_nonlin moved here.
16731 (find_interesting_uses_outside): Use find_interesting_uses_op.
16733 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16736 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16738 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16739 Ulrich Weigand <uweigand@de.ibm.com>
16742 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16743 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16744 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16745 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16747 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16748 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16749 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16750 Define secondary reloads for TFmode moves.
16751 (constant_modes): Add TFmode.
16752 (NR_C_MODES): Set to 8.
16753 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16755 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16756 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16757 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16758 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16759 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16760 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16761 (FPR mode macro): Add TFmode.
16762 (DSF mode macro): New.
16763 (<de>, <dee> mode attributes): Removed.
16764 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16765 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16766 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16767 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16768 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16769 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16770 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16771 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16772 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16773 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16774 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16775 "*negabs<mode>2", "sqrt<mode>2"):
16776 Changed <de> to <xde>. R constraint replaced by <Rf>.
16777 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16779 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16780 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16781 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16783 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16784 "extenddftf2", "extendsftf2"): New expanders.
16785 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16786 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16787 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16788 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16790 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16791 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16792 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16793 __floatditf): Add a GCC_4.1.0 symbol version tag.
16794 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16797 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16800 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16801 Use targetm.binds_local_p instead of TREE_PUBLIC.
16803 2006-02-02 Roger Sayle <roger@eyesopen.com>
16805 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16806 on INTEGER_TYPEs to indicate that it denotes a character type.
16807 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16808 signed_char_type_node, unsigned_char_type_node and char_type_node.
16809 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16810 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16811 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16813 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16814 Daniel Berlin <dberlin@dberlin.org>
16816 * tree-tailcall.c (arg_needs_copy_p): New function.
16817 (eliminate_tail_call): Use arg_needs_copy_p.
16818 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16819 (add_virtual_phis): New function.
16821 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16823 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16824 #ignore instead of #scratch for %g7 .register directive.
16826 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16828 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16831 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16833 * flow.c (calculate_global_regs_live): Assert that there aren't any
16836 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16838 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16839 what its name says.
16840 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16841 bsi_after_labels iterator.
16842 * tree-if-conv.c (find_phi_replacement_condition,
16843 replace_phi_with_cond_modify_expr): Likewise.
16844 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16845 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16847 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16849 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16851 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16854 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16855 array after growing it.
16857 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16859 PR middle-end/24901
16860 * fold-const.c (fold_checksum_tree): Change type of buf.
16862 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16864 * reload.c (push_secondary_reload): Initialize t_icode.
16866 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16868 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16869 -msoft-float -mlong-double-128 only issue a warning, but don't
16870 swich to DFmode long double.
16872 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16874 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16875 has a constant equivalent, iterate over equivalents for arg0,
16876 calling simplify_relational_operation and if there's a result
16877 cheaper than X, apply fold_rtx and return the result.
16879 2006-02-01 Jan Hubicka <jh@suse.cz>
16881 * opts.c (no_unit_at_a_time_default): New global variable.
16882 (decode_options): Use it.
16883 * opts.h (no_unit_at_a_time_default): Declare.
16885 2006-02-01 Paul Brook <paul@codesourcery.com>
16887 * function.c (assign_parm_setup_reg): Use function argument promotion
16889 * expr.c (expand_expr_real_1): Use function argument promotion rules
16892 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16894 * gcc.c (process_command): Change j to 'unsigned int'.
16896 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16898 PR middle-end/26001
16899 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16900 Use the corrected index for the character
16901 out of the string constant.
16903 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16905 * mode-switching.c (optimize_mode_switching): Fix size
16906 allocated for bb_info[n_entities].
16908 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16910 * gcc.c (main): Correct type that is allocated for
16911 explicit_link_files.
16913 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16915 * config/s390/s390.c (init_alignment_context): Set
16916 ALIAS_SET_MEMORY_BARRIER on the MEM.
16917 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16919 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16921 PR middle-end/25933
16922 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16924 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16927 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16929 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16930 * regrename.c: Ditto.
16931 * tree-ssa-loop-im.c: Ditto.
16932 * tree-dump.c: Ditto.
16933 * tree-complex.c: Ditto.
16934 * genrecog.c: Ditto.
16935 * tree-ssa-threadupdate.c: Ditto.
16937 * java/class.c: Ditto.
16938 * java/jcf-parse.c: Ditto.
16939 * java/resource.c: Ditto.
16940 * java/except.c: Ditto.
16941 * java/jvspec.c: Ditto.
16942 * java/jcf-write.c: Ditto.
16943 * java/jcf-path.c: Ditto.
16944 * java/gjavah.c: Ditto.
16945 * java/zextract.c: Ditto.
16946 * java/jcf-io.c: Ditto.
16947 * java/jcf.h: Ditto.
16948 * java/buffer.c: Ditto.
16949 * java/lang.c: Ditto.
16950 * java/parse-scan.y: Ditto.
16951 * java/lex.c: Ditto.
16952 * java/lex.h: Ditto.
16953 * cfgloopmanip.c: Ditto.
16954 * postreload-gcse.c: Ditto.
16955 * tree-ssa-loop-manip.c: Ditto.
16956 * postreload.c: Ditto.
16957 * tree-ssa-loop-ch.c: Ditto.
16960 * cppspec.c: Ditto.
16961 * diagnostic.c: Ditto.
16963 * genoutput.c: Ditto.
16965 * cfghooks.c: Ditto.
16966 * cfgloopanal.c: Ditto.
16967 * objc/objc-act.c: Ditto.
16969 * genextract.c: Ditto.
16970 * genautomata.c: Ditto.
16971 * pretty-print.c: Ditto.
16972 * genemit.c: Ditto.
16973 * cgraphunit.c: Ditto.
16975 * df-scan.c: Ditto.
16976 * haifa-sched.c: Ditto.
16977 * dominance.c: Ditto.
16979 * tree-ssa-loop-ivopts.c: Ditto.
16980 * df-core.c: Ditto.
16981 * mode-switching.c: Ditto.
16982 * modulo-sched.c: Ditto.
16984 * ipa-pure-const.c: Ditto.
16986 * fix-header.c: Ditto.
16988 * tree-stdarg.c: Ditto.
16989 * ipa-utils.c: Ditto.
16990 * loop-init.c: Ditto.
16991 * ipa-inline.c: Ditto.
16992 * cfganal.c: Ditto.
16994 * alloc-pool.c: Ditto.
16995 * dwarf2out.c: Ditto.
16997 * genattrtab.c: Ditto.
16998 * tree-ssa-loop-ivcanon.c: Ditto.
16999 * predict.c: Ditto.
17000 * timevar.c: Ditto.
17002 * fortran/gfortranspec.c: Ditto.
17003 * regmove.c: Ditto.
17004 * local-alloc.c: Ditto.
17005 * langhooks.c: Ditto.
17006 * function.c: Ditto.
17007 * tree-vectorizer.c: Ditto.
17009 * ipa-type-escape.c: Ditto.
17011 * tree-if-conv.c: Ditto.
17012 * profile.c: Ditto.
17014 * tree-data-ref.c: Ditto.
17015 * loop-unroll.c: Ditto.
17016 * treelang/treetree.c: Ditto.
17018 * bt-load.c: Ditto.
17019 * ggc-common.c: Ditto.
17021 * coverage.c: Ditto.
17023 * tree-cfgcleanup.c: Ditto.
17024 * tree-ssa-pre.c: Ditto.
17025 * cfgcleanup.c: Ditto.
17026 * loop-invariant.c: Ditto.
17027 * loop-iv.c: Ditto.
17028 * ipa-prop.c: Ditto.
17029 * print-tree.c: Ditto.
17030 * conflict.c: Ditto.
17031 * ggc-page.c: Ditto.
17032 * sched-deps.c: Ditto.
17033 * regclass.c: Ditto.
17034 * tree-object-size.c: Ditto.
17035 * combine.c: Ditto.
17036 * bb-reorder.c: Ditto.
17037 * resource.c: Ditto.
17038 * var-tracking.c: Ditto.
17039 * cfgloop.c: Ditto.
17040 * df-problems.c: Ditto.
17041 * reg-stack.c: Ditto.
17043 * gccspec.c: Ditto.
17044 * sched-rgn.c: Ditto.
17045 * tree-ssa-structalias.c: Ditto.
17046 * tree-ssa-reassoc.c: Ditto.
17047 * config/darwin-c.c: Ditto.
17048 * config/darwin.c: Ditto.
17049 * config/arm/arm.c: Ditto.
17051 * collect2.c: Ditto.
17052 * reload1.c: Ditto.
17054 2006-01-31 Nicolas Pitre <nico@cam.org>
17056 * arm.md (smaxsi3): Make aware of smax_m1.
17059 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
17061 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
17063 2006-01-31 Richard Guenther <rguenther@suse.de>
17065 * doc/invoke.texi (-msselibm): Document.
17066 * target.h (expand_library_builtin): New target hook.
17067 * builtins.c (expand_builtin): Use expand_library_builtin.
17068 (default_expand_library_builtin): New function.
17069 * gcc.c (LINK_GCC_MATH_SPEC): Define.
17070 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
17071 (link_gcc_math_spec): Declare.
17072 (static_specs): Add link_gcc_math_spec.
17073 * expr.h (default_expand_library_builtin): Declare.
17074 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
17075 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
17076 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
17077 * config/i386/i386.opt (msselibm): New target option.
17078 * config/i386/i386.c (ix86_builtin_function_variants): New array.
17079 (ix86_init_sse_abi_builtins): New function.
17080 (ix86_expand_library_builtin): Likewise.
17081 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
17082 (override_options): Handle error conditions wrt -msselibm.
17083 (ix86_builtins): Add function codes for SSE2 ABI builtins.
17084 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
17085 * doc/extend.texi (__builtin_sse2_*): Document new target specific
17088 2006-01-31 Richard Guenther <rguenther@suse.de>
17089 Paolo Bonzini <bonzini@gnu.org>
17091 * doc/install.texi (--disable-libgcc-math): Document.
17093 2006-01-30 Marcin Dalecki <martin@dalecki.de>
17095 * expr.h (expand_normal): new inline function.
17096 * builtins.c: use it, use EXPAND_NORMAL explicitely.
17097 * dojump.c: use it.
17098 * dwarf2out.c: use it.
17101 * expmed.c: use it.
17102 * except.c: use it.
17103 * config/sparc/sparc.c: use it.
17104 * config/i386/i386.c: use it.
17105 * config/rs6000/rs6000.c: use it.
17106 * config/arm/arm.c: use it.
17107 * config/mips/mips.c: use it.
17108 * stmt.c: use it, use EXPAND_NORMAL explicitely.
17110 2006-01-30 Roger Sayle <roger@eyesopen.com>
17112 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
17113 argv to the appropriate type.
17115 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
17117 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
17120 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
17123 * config/s390/s390.c (struct machine_function): New flag
17124 decomposed_literal_pool_addresses_ok_p.
17125 (s390_reorg): Set it before final stage of literal pool transforms.
17126 (s390_decompose_address): Only accept displacements of the form
17127 (minus (label_ref ...) (label_ref ...)) if that flag is set.
17129 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
17131 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
17132 the comparison routine return.
17134 2006-01-30 Michael Matz <matz@suse.de>
17136 * global.c (find_reg): Only evict for global regs.
17137 Take n_refs into account and dump more info.
17139 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
17142 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
17143 (pragma_trap, pragma_nosave_low_regs): Likewise.
17144 (current_function_anonymous_args): Likewise.
17145 (sh_deferred_function_attributes): New variable.
17146 (sh_deferred_function_attributes_tail): Likewise.
17147 (print_operand): For '@', look up trap_exit attribute.
17148 (calc_live_regs): Look up trapa_handler attribute. For trapa
17149 handlers, save/restore fpscr, but don't do any other
17150 interrupt-specific saves.
17151 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
17152 Fix check for partially saved registers to check for SHmedia.
17153 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
17154 (sh_output_function_epilogue): Don't clear any of the removed
17156 (sh_insert_attributes): Don't check pragma_interrupt.
17157 Insert deferred attributes. Check that interrupt attribute is
17158 present for other attributes that require its presence.
17159 (sh_attribute_table): Add new attributes trapa_handler and
17161 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
17162 Don't check for pragma_interrupt. Don't store argument.
17163 * sh.h (pragma_interrupt, sp_switch): Don't declare.
17164 (sh_deferred_function_attributes): Declare.
17165 (sh_deferred_function_attributes_tail): Likewise.
17166 * sh.md (sp_switch_1): Add operand. Change generator caller.
17167 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
17168 (*return_i): Don't use when trap_exit attribute is in effect.
17169 (*return_trapa): New insn pattern.
17170 * sh-c.c: New file.
17171 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
17172 setting c_target_objs and cxx_target_objs.
17173 * t-sh: Add rule for sh-c.o.
17175 2006-01-30 Richard Guenther <rguenther@suse.de>
17178 * gimplify.c (gimplify_target_expr): Handle easy cases
17179 without creating a temporary.
17181 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
17183 * vec.h (safe_grow): Remove duplicated line.
17185 2006-01-29 Diego Novillo <dnovillo@redhat.com>
17188 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
17189 (expand_omp): ... here.
17190 (expand_omp_parallel): Only remove barriers for combined
17191 parallel+workshare constructs.
17193 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
17197 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
17198 * tree.c (build_qualified_type): Chain the new type to the original
17199 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
17200 a POINTER_TYPE or a REFERENCE_TYPE respectively.
17201 (build_pointer_type_for_mode): Only return unqualified types.
17202 (build_reference_type_for_mode): Likewise.
17204 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
17206 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
17207 * Makefile.in (CXX_COMPAT_WARN): Define.
17208 * configure: Regenerate.
17210 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
17213 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
17216 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17218 * toplev.c: Fix thinko.
17220 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17221 Marcin Dalecki <martin@dalecki.de>
17223 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
17224 (push_srcloc): Use XNEW.
17225 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
17227 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
17229 * df-core.c (df_set_blocks): Deleted all variable.
17231 2006-01-28 Ian Lance Taylor <ian@airs.com>
17233 * cgraphunit.c (cgraph_assemble_pending_functions): Call
17234 cgraph_output_pending_asms.
17236 2006-01-28 Zack Weinberg <zackw@panix.com>
17238 * c.opt: Add -W(no-)overlength-strings.
17239 * doc/invoke.texi: Document it.
17240 * c-opts.c (c_common_handle_option): -pedantic implies
17241 -Woverlength-strings, if not explicitly disabled already.
17242 (c_common_post_options): -Woverlength-strings defaults to off, and
17243 is always off for C++.
17244 * c-common.c (fix_string_type): Issue warning about strings longer
17245 than is portable only if warn_overlength_strings. Rearrange code
17246 a little for clarity.
17247 * configure.in: Check for -Wno-overlength-strings as well before
17248 enabling -pedantic in stage 1.
17249 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
17250 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
17252 * genconditions.c (write_header, write_one_condition)
17253 (write_conditions, write_writer): Consolidate very long strings
17254 that were broken up to fit in C89 portable limit. Don't use
17255 printf when fputs will do.
17257 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
17259 * combine.c (simplify_comparison <AND>): Check
17260 TRULY_NOOP_TRUNCATION before start using a subreg.
17262 * config/mips/mips.md (*branch_zero<mode>,
17263 *branch_zero<mode>_inverted, *branch_equality<mode>,
17264 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
17265 Remove mode check from comparisons.
17267 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
17269 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
17271 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17273 * expmed.c (const_mult_add_overflow_p): Remove.
17274 * expr.h: Remove the prototype for const_mult_add_overflow_p.
17276 * recog.c (validate_replace_rtx_subexp): Remove.
17277 * recog.h: Remove the prototype for
17278 validate_replace_rtx_subexp.
17280 * integrate.h: Remove the prototype for
17281 copy_decl_for_inlining.
17282 * rtl.h: Remove the prototype for mark_constant_function.
17283 * tree-vectorizer.h: Remove the prototype for
17284 vect_strip_conversion.
17286 * modulo-sched.c (create_partial_schedule,
17287 free_partial_schedule, reset_partial_schedule): Make them
17290 * hooks.c (hook_bool_rtx_int_false): Remove.
17291 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
17293 2006-01-28 David Edelsohn <edelsohn@gnu.org>
17295 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17296 and -mlong-double-128 are incompatible.
17297 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
17298 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
17299 (TARGET_LIBGCC2_CFLAGS): Define.
17300 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
17301 (TARGET_LIBGCC2_CFLAGS): Same.
17302 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
17304 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17307 * c-typeck.c (build_binary_op): Perform implicit casts of
17308 operands before shortening them.
17310 * cfgloopmanip.c (split_loop_bb): Remove.
17311 * cfgloop.h: Remove the prototype for split_loop_bb.
17313 * cfgloop.c (flow_loop_outside_edge_p): Remove.
17314 * cfgloop.h: Remove the prototype for
17315 flow_loop_outside_edge_p.
17317 * emit-rtl.c (init_virtual_regs): Make it static.
17318 * function.h: Remove the prototype for init_virtual_regs.
17320 * recog.c (peephole2_optimize): Make it static.
17321 * recog.h: Remove the prototype for peephole2_optimize.
17323 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17325 * df-scan.c (df_record_entry_block_defs): Check if
17326 INCOMING_RETURN_ADDR_RTX is defined.
17328 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
17329 Kenneth Zadeck <zadeck@naturalbridge.com>
17331 PR rtl-optimization/24762
17332 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17333 * targhooks.c (hook_void_bitmap): New hook prototype.
17334 * targhoohs.h (hook_void_bitmap): Ditto.
17335 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
17336 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
17337 * target.h (live_on_entry): New function pointer.
17338 * df-scan.c (df_all_hard_regs): Removed.
17339 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
17340 (df_scan_free_internal): Added df->entry_block_defs.
17341 (df_scan_alloc): Ditto.
17342 (df_scan_dump): Ditto.
17343 (df_uses_record): Plumbed flag field properly thru calls.
17344 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
17345 This part fixes PR24762.
17346 (df_bb_refs_record): Added code to make the frame and arg
17347 pointers live in EH blocks.
17348 (df_refs_record): Added call to df_record_entry_block_defs.
17349 (df_record_entry_block_defs): New function.
17350 * df-core.c: Added comments to describe new artifical defs.
17351 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
17352 (entry_block_defs): New field in struct df.
17353 (df_all_hard_regs): Deleted.
17354 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17355 * df-problems.c (df_ru_bb_local_compute_process_def):
17356 Added code to handle artifical defs in the entry to a function.
17357 (df_ru_bb_local_compute): Ditto.
17358 (df_rd_bb_local_compute_process_def): Ditto.
17359 (df_rd_bb_local_compute): Ditto.
17360 (df_lr_bb_local_compute): Ditto.
17361 (df_ur_bb_local_compute): Ditto.
17362 (df_urec_bb_local_compute): Ditto.
17363 (df_chain_create_bb): Ditto.
17364 (df_ur_local_finalize): Removed entry.
17365 (df_urec_init): Ditto.
17366 (df_urec_local_finalize): Ditto.
17367 (df_ri_bb_compute): Added detection of last use of pseudos.
17368 * Makefile.in (df-scan.o): Updated dependencies.
17369 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
17370 * config/mips/mips.c (mips_set_live_on_entry): Added.
17371 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
17373 * dce.c (marked_insn_p): Added code to handle artifical defs.
17375 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17377 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
17379 (_mm_cvtsi128_si64): Likewise.
17380 (_mm_cvtsd_si64): Likewise.
17381 (_mm_cvttsd_si64): Likewise.
17382 (_mm_cvtsi64_sd): Likewise.
17383 (_mm_cvtsi64_si128): Likewise.
17384 * config/i386/mmintrin.h (_m_from_int64): Likewise.
17385 (_mm_cvtsi64_m64): Likewise.
17386 (_m_to_int64): Likewise.
17387 (_mm_cvtm64_si64): Likewise.
17388 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
17389 (_mm_cvttss_si64): Likewise.
17390 (_mm_cvtsi64_ss): Likewise.
17391 (_mm_cvtss_f32): Likewise.
17393 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
17395 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
17396 for pragma redefine_extname.
17398 2006-01-27 Jakub Jelinek <jakub@redhat.com>
17401 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
17402 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
17403 -mno-minimal-toc to previous content.
17404 (bispecs): Remove goal.
17405 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
17406 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
17407 compatibility aliases on powerpc-*-*gnu*.
17408 * config/rs6000/libgcc-ppc-glibc.ver: New file.
17409 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
17410 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
17411 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
17412 (ldblspecs): New goal.
17413 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
17414 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
17416 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
17417 L_sf_to_tf or L_df_to_tf is defined.
17419 2006-01-27 David Edelsohn <edelsohn@gnu.org>
17420 Alan Modra <amodra@bigpond.net.au>
17423 * config/rs6000/linux.h (POWERPC_LINUX): Define.
17424 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
17425 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
17426 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
17427 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
17428 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
17429 (rs6000_override_options): Initialize rs6000_ieeequad.
17430 Initialize TFmode format to ibm_extended_format if not
17432 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
17434 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
17435 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
17436 (function_arg_advance): IBM long double passed in two FPRs, not
17438 (function_arg): IBM long double passed in FPRs.
17439 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
17440 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
17441 Only multireg GPR aligned.
17442 (rs6000_init_libfuncs): Enable IBM long double functions if not
17444 (rs6000_generate_compare): Use IBM long double compare if not
17446 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
17447 (TARGET_IEEEQUAD): Define.
17448 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
17449 not TARGET_IEEEQUAD.
17450 * config/rs6000/rs6000.md: Enable TFmode patterns if
17452 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
17453 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17454 and -mlong-double-128 are incompatible.
17455 * doc/invoke.texi (-mabi): Collect options together. Add
17456 ibmlongdouble and ieeelongdouble.
17458 2006-01-27 Richard Sandiford <richard@codesourcery.com>
17460 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17462 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17463 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17464 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17465 * rtl.h (rtunion_def): Remove rt_ptr.
17467 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17468 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17469 * config/i386/winnt.c (i386_pe_mark_dllexport)
17470 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17472 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17474 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17476 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17480 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17481 pthread_key_delete. From John David Anglin. gthrw-ify
17482 pthread_getunique_np only if it it's not a macro. Delete
17484 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17485 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17486 __gthread_objc_condition_signal, __gthread_key_delete): Add
17487 "__attribute__ ((__unused__))" to unused arguments.
17488 (__gthread_recursive_mutex_init_function): Add missing return.
17489 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17490 gthr-posix95.h: Use macro-based approach for name redirection
17491 on targets missing weakref.
17493 2006-01-26 Zack Weinberg <zackw@panix.com>
17495 * genconditions.c (write_header): In generated code, #ifdef out
17496 all includes and fake declarations, except includes of bconfig.h
17497 and system.h, unless GCC_VERSION >= 3001. Do not include
17498 gensupport.h in any case.
17499 (write_conditions): Generate a definition of struct c_test. Add
17500 a comment to the generated #endif.
17501 (write_one_condition): Escape backslashes in string too.
17502 (write_writer): Generated code must escape backslashes and quote
17503 marks (but not newlines) in the strings it writes.
17504 * Makefile.in (build/gencondmd.o): Update dependencies.
17506 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17509 * Makefile.in (insn-automata.o): Add header file dependencies.
17510 * genautomata.c: Add includes.
17512 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17515 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17517 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17519 * configure.ac: Expect target tools paths to be passed from the toplevel
17520 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17522 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17524 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17527 * c.opt (Wpointer-sign): Init to -1.
17528 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17529 OPT_pedantic, to 0 otherwise.
17530 * doc/invoke.texi: Update.
17532 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17534 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17535 constants provided by 80387 instructions in the destination mode.
17537 2006-01-26 Richard Guenther <rguenther@suse.de>
17538 Andrew Pinski <pinskia@physics.uc.edu>
17541 partial PR tree-opt/17064
17542 * tree-ssa-structalias.c (intra_create_variable_infos):
17543 Create heap variables for incoming parameters if
17544 flag_argument_noalias > 1.
17545 (find_what_p_points_to): Look through default defs of
17548 2006-01-26 Jeff Law <law@redhat.com>
17551 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17552 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17553 within the VR_RANGE, use the VR_RANGE as the result, not the
17555 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17556 bounds for the type.
17558 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17560 * tree-ssa-alias.c (maybe_create_global_var): Change
17561 subvar walking to an assertion that we don't have subvar'd variables.
17563 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17566 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17567 Use a new variable, inner. PARM_DECLs are always non-weak.
17569 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17571 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17572 --disable-checking.
17574 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17576 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17578 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17580 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17581 (smax_insn, smin_insn, smax_0, smin_0): New.
17583 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17586 * config/cris/cris.c (cris_order_for_addsi3): New function.
17587 * config/cris/cris-protos.h: Prototype it.
17588 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17589 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17590 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17591 (split for "op.S1 [rx=rx+i],ry (swapped)")
17592 (split for "op(s|u).S1 [rx=rx+i],ry")
17593 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17594 Apply cris_order_for_addsi3 when generating addsi3 insns.
17596 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17598 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17599 (TREE_BLOCK): Add call to EXPR_CHECK.
17601 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17604 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17605 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17606 (dump_omp_clauses): ... here.
17607 (dump_generic_node): Handle OMP_CLAUSE.
17608 * tree.c (omp_clause_num_ops): New.
17609 (omp_clause_code_name): New.
17610 (tree_code_size): Handle OMP_CLAUSE.
17611 (tree_size): Likewise.
17612 (make_node): Document handling of OMP_CLAUSE.
17613 (tree_node_structure): Handle OMP_CLAUSE.
17614 (omp_clause_check_failed): New.
17615 (omp_clause_range_check_failed): New.
17616 (omp_clause_operand_check_failed): New.
17617 (build_omp_clause): New.
17618 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17619 * tree.h (enum omp_clause_code): Declare.
17620 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17621 (OMP_CLAUSE_RANGE_CHECK): Define.
17622 (OMP_CLAUSE_ELT_CHECK): Define.
17623 (omp_clause_check_failed): Declare.
17624 (omp_clause_operand_check_failed): Declare.
17625 (omp_clause_range_check_failed): Declare.
17626 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17627 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17628 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17629 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17630 (OMP_CLAUSE_IF_EXPR): Likewise.
17631 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17632 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17633 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17634 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17635 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17636 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17637 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17638 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17639 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17640 (OMP_CLAUSE_CODE): Define.
17641 (OMP_CLAUSE_SET_CODE): Define.
17642 (OMP_CLAUSE_CODE): Define.
17643 (OMP_CLAUSE_OPERAND): Define.
17644 (struct tree_omp_clause): Declare.
17645 (union tree_node): Add field 'omp_clause'.
17646 * treestruct.def (TS_OMP_CLAUSE): Define.
17647 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17648 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17649 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17650 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17651 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17652 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17653 (OMP_CLAUSE): Define.
17654 * print-tree.c (print_node): Handle OMP_CLAUSE.
17655 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17656 * c-typeck.c: Likewise.
17657 * gimplify.c: Likewise.
17658 * c-omp.c: Likewise.
17659 * tree-nested.c: Likewise.
17660 * tree-inline.c: Likewise.
17661 * c-parser.c: Likewise.
17662 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17665 2006-01-25 Roger Sayle <roger@eyesopen.com>
17667 PR rtl-optimization/25703
17668 * combine.c (try_combine): Handle zero_extract and strict_low_part
17669 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17671 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17673 * global.c: Fix comment typos.
17675 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17678 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17679 Use output_addr_const instead of assemble_name.
17681 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17683 * Makefile.in (sched-vis.o): Update dependencies.
17684 * haifa-sched.c (sched_finish): Clear current_sched_info.
17685 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17686 (dump_flow_info): Call it.
17687 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17689 * basic-block.h (dump_bb_info): Declare.
17690 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17691 option, and apply options only for dump files whose TDF_RTL,
17692 TDF_TREE, or TDF_IPA bits match.
17693 * rtl.h: Declare new functions exported from sched-vis.c.
17694 * sched-vis.c: Enable also if scheduling is not used.
17695 (print_value): Print the mode of registers if not inside scheduling.
17696 (print_insn): Make it work outside the scheduler. Beautify the output
17698 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17700 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17702 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17703 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17704 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17705 depending on the value of CONSTANT_POOL_ADDRESS_P.
17706 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17708 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17709 rather than SYMBOL_REF_DECL.
17710 (rtx_constant_pool): Remove const_rtx_sym_htab.
17711 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17712 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17713 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17714 Remove handling of const_rtx_sym_htab.
17715 (find_pool_constant): Delete.
17716 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17717 rather than find_pool_constant.
17718 (get_pool_constant_for_function): Delete.
17719 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17720 find_pool_constant.
17721 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17722 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17723 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17724 (SYMBOL_REF_CONSTANT): New macro.
17725 (get_pool_constant_for_function): Delete.
17726 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17727 rather than SYMBOL_REF_DECL.
17728 (i386_pe_mark_dllimport): Likewise.
17729 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17730 rather than SYMBOL_REF_DECL.
17731 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17732 (machopic_indirect_call_target): Likewise.
17734 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17736 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17738 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17740 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17742 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17744 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17746 2006-01-24 David Daney <ddaney@avtrex.com>
17749 * configure.ac (enable_tls): New enable option.
17750 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17751 * configure: Regenerate.
17752 * doc/install.texi (--enable-tls): Document new option.
17753 (--disable-tls): Ditto.
17755 2006-01-24 Richard Henderson <rth@redehat.com>
17757 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17758 * alias.c (true_dependence): Respect it.
17759 (canon_true_dependence, write_dependence_p): Likewise.
17760 * builtins.c (get_builtin_sync_mem): Set it.
17762 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17764 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17767 2006-01-24 DJ Delorie <dj@redhat.com>
17769 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17770 for storing constants in single-bit bitfields.
17772 2006-01-25 Ben Elliston <bje@au.ibm.com>
17774 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17776 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17779 * tree-ssa-pre.c (phi_translate): Return NULL
17780 for AGGREGATE_TYPE's.
17782 2006-01-24 Zack Weinberg <zackw@panix.com>
17784 * genautomata.c (process_state_for_insn_equiv_partition):
17785 Use xcalloc for insn_arcs_array.
17786 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17787 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17789 2006-01-24 Richard Henderson <rth@redhat.com>
17791 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17792 update all callers.
17794 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17796 PR rtl-optimization/25890
17797 PR rtl-optimization/25905
17798 * combine.c (expand_compound_operation, expand_field_assignment):
17799 Fail if the bitfield's final position is out of bounds.
17801 2006-01-24 Ian Lance Taylor <ian@airs.com>
17803 PR middle-end/25930
17804 * cgraphunit.c (cgraph_output_in_order): Don't clear
17805 cgraph_asm_nodes until after asm strings have been output.
17807 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17809 * fix-header.c (read_scan_file): Add new parameter imultilib when
17810 calling register_include_chains.
17812 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17814 * omp-low.c: Update documentation.
17816 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17817 Daniel Berlin <dberlin@dberlin.org>
17821 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17822 return from the function.
17824 2006-01-22 Zack Weinberg <zackw@panix.com>
17826 * rtl.def (match_code): Add second argument.
17827 * genpreds.c (write_extract_subexp): New function.
17828 (write_match_code): Add path argument. Use write_extract_subexp.
17829 (write_predicate_expr): Pass path to write_match_code.
17830 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17831 not perform a mode test.
17832 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17833 a subexpression does not constrain the top-level code set.
17834 * read-rtl.c (read_rtx_variadic): New function.
17835 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17836 * doc/md.texi: Document new notation.
17837 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17838 (cmpsi_operand): ... here, using new notation.
17840 2006-01-22 Zack Weinberg <zackw@panix.com>
17842 * varray.c: Remove GENERATOR_FILE #ifdefs.
17844 2006-01-22 Zack Weinberg <zackw@panix.com>
17846 * genautomata.c (output_reserved_units_table): Emit nothing if
17847 description->query_units_num is zero. Remove extra blank line.
17848 (output_cpu_unit_reservation_p): Short circuit
17849 if description->query_units_num is zero.
17851 2006-01-22 Zack Weinberg <zackw@panix.com>
17853 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17854 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17855 nor any of the random handful of variables that used to be necessary
17856 when this program was linked with rtlanal.o. Prune set of forward
17857 function declarations.
17858 (struct attr_desc): Remove static_p field.
17859 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17860 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17861 (attr_string): Do not read the character one past the length of
17863 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17864 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17865 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17866 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17867 (make_automaton_attrs): New.
17868 (main): Do not call into genautomata. Call local gen_bypass
17869 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17870 Remove special case for insn_alts.
17871 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17872 varray.h (leftover from previous change). Prune set of forward
17873 function declarations. Remove state_alts fields from all
17874 structures. Remove state_alts_table from struct automaton.
17875 Make everything except main static. Do not maintain num_dfa_decls.
17876 Do not maintain state_alts fields of various structures.
17877 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17878 (add_arc): Remove state_alts argument. All callers updated.
17879 (output_reserved_units_table): Emit #ifdef here...
17880 (output_tables): ...not here. Don't generate state_alts tables.
17881 (expand_automata): Don't generate attributes.
17882 (write_automata): Don't generate state_alts functions.
17883 (main): New function.
17884 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17885 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17886 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17887 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17888 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17889 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17890 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17891 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17893 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17894 * genattrtab.h: Delete file.
17895 * Makefile.in (OBJS-common): Add insn-automata.o.
17896 (insn-automata.o): New rule.
17897 (simple_generated_c): Add insn-automata.c.
17898 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17899 (genprogmd): Add automata.
17900 (build/genattrtab): Needs no extra objects nor libraries.
17901 (build/genautomata): Needs build/vec.o and -lm.
17903 2006-01-22 Zack Weinberg <zackw@panix.com>
17905 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17906 (output_dfa_max_issue_rate, locked_states_num): Delete.
17907 (struct automaton): Add locked_states field.
17908 (output_dead_lock_vect): Save number of locked states in
17909 automaton->locked_states. If it is zero, don't print anything.
17910 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17911 (output_internal_dead_lock_func): Only test the dead_lock_vect
17912 for automata that have locked states.
17913 (output_statistics): Always print the number of locked states for
17914 each automaton. Calculate total number of locked states here.
17915 (write_automata): Don't call output_dfa_max_issue_rate.
17916 * genattrtab.c: Define length_unit_log as a const variable.
17917 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17918 max_insn_queue_index const.
17919 * final.c (length_unit_log): Declare const.
17920 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17922 2006-01-22 Zack Weinberg <zackw@panix.com>
17924 * genautomata.c: Include vec.h, not varray.h.
17925 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17926 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17927 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17928 VEC_* macros operating on appropriately typed vectors, or to
17929 malloced arrays when the size is known in advance. Const-ify
17930 many char* variables and function arguments. No functional changes.
17931 * Makefile.in (build/varray.o): Delete rule.
17932 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17933 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17935 2006-01-22 Zack Weinberg <zackw@panix.com>
17937 * gensupport.c: Define get_insn_name and record_insn_name here.
17938 (read_md_rtx): Call record_insn_name as appropriate.
17939 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17940 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17941 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17943 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17944 (BUILD_VARRAY): Delete.
17945 (genprognormal): Rename genprogmd. Fold in all programs from
17946 genprognoprint; also attrtab.
17947 (build/genattrtab): Just mention genautomata.o and varray.o.
17948 Reorganize a bit, add comments to make the categories clearer.
17950 2006-01-22 Zack Weinberg <zackw@panix.com>
17952 * genconditions.c (condition_table, add_condition): Delete.
17953 (write_conditions): Don't emit n_insn_conditions nor
17954 insn_elision_unavailable. Issue the gcc version #ifdef here,
17955 inside the table, with no #else clause ...
17956 (write_header): ...not here.
17957 (write_writer): New function.
17958 (main): Don't initialize condition_table. Use add_c_test.
17960 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17961 files on the command line.
17962 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17963 Return -1 if there is no entry in the table, don't abort.
17964 (add_c_test, traverse_c_tests): New functions.
17965 * gensupport.h (insn_elision_unavailable, insn_conditions)
17966 (n_insn_conditions): Delete declarations.
17967 (add_c_test, traverse_c_tests): Declare.
17968 * read-rtl.c: Include gensupport.h.
17969 (read_conditions): New function.
17970 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17971 (read_rtx_1): If we get EOF when we were looking for an initial
17972 open paren, return 0. Call read_conditions when appropriate.
17973 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17974 dummy-conditions.o. Eliminate references to insn-conditions.o,
17975 or change them to build/gencondmd.o, as appropriate. Remove
17976 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17977 from $(simple_generated_c). For all files remaining in those
17978 two lists, add insn-conditions.md to the generator command line.
17979 Give insn-constants.h/s-constants their own rules. Add rules
17980 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17981 (build/read-rtl.o): Depend on gensupport.h.
17982 (genprognormal): Include preds.
17983 (genprogearly): Rename genprognoprint; only difference is now that
17984 they don't link with $(BUILD_PRINT).
17985 * dummy-conditions.c: Delete.
17987 2006-01-22 Zack Weinberg <zackw@panix.com>
17989 * genextract.c: Don't include insn-config.h. Do include vec.h.
17990 Declare vectors of int, char, and locstr.
17991 (locstr): New typedef.
17992 (struct extraction): Make all array fields into bare pointers.
17993 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17994 (insn_code_number): Delete.
17995 (accum_extract): New struct.
17996 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17997 (gen_insn): Take insn_code_number as an argument. Use an
17998 accum_extract structure instead of loading data directly into
17999 a struct extraction, and having to know how big it might get.
18000 (walk_rtx): Operate entirely on an accum_extract structure.
18001 (print_path): Avoid unnecessary use of printf.
18002 (print_header): New function, split out of main. Distinguish
18003 more carefully between an unrecognizable insn and an insn that
18004 has the code number of a define_expand.
18005 (main): Pass insn_code_number to gen_insn. Call print_header
18006 only after parsing. Avoid unnecessary use of printf.
18007 * Makefile.in (build/vec.o): New rule.
18008 (build/genextract): Depend on build/vec.o.
18009 (build/genextract.o): Don't depend on insn-config.h.
18011 2006-01-22 Zack Weinberg <zackw@panix.com>
18013 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
18014 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
18015 practical. Eliminate per-generator-program link rules.
18017 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18019 PR middle-end/24437
18020 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
18021 with a call expr to ...
18022 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
18024 2006-01-23 Richard Guenther <rguenther@suse.de>
18026 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
18027 before make_edge with conditional EDGE_TRUE_VALUE.
18029 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
18030 Jan Hubicka <jh@suse.cz>
18031 Richard Guenther <rguenther@suse.de>
18033 PR rtl-optimization/25654
18034 * cfgexpand.c (aggregate_contains_union_type): New function.
18035 (add_alias_set_conflicts): Call it. Make sure to add conflicts
18036 for structure variables that contain a union type.
18038 2006-01-23 Richard Sandiford <richard@codesourcery.com>
18040 * gengtype.c (new_structure): Return the structure.
18041 (create_option): Add an extra "next" argument.
18042 (create_field): New function.
18043 (adjust_field_rtx_def): Use create_option and create_field.
18044 Remove a now-unnecessary call to find_structure.
18045 (adjust_field_tree_def): Likewise.
18046 (note_yacc_type): Remove an unnecessary call to find_structure.
18047 * gengtype.h (new_structure): Return the structure.
18048 (create_option): Add an extra argument.
18049 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
18050 (option): Adjust calls to create_option.
18052 2006-01-22 David Edelsohn <edelsohn@gnu.org>
18054 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
18056 2006-01-22 Paul Brook <paul@codesourcery.com>
18057 Peter Barada <peter@the-baradas.com>
18059 * config/m68k/m68k.md: Add Coldfire FPU support.
18060 Define FP mode macro and associated attributes.
18061 Use it for float mode patterns.
18062 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
18063 (LIBCALL_VALUE): Use m68k_libcall_value.
18064 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
18065 (m68k_function_value): Ditto.
18066 (emit_move_sequence): Ditto.
18067 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
18068 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
18069 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
18070 (MULTILIB_EXCEPTIONS): Ditto.
18071 * config/m68k/m68k.opt: Add mcfv4e.
18072 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
18073 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
18074 (m68k_output_function_prologue): Save ColdFire FPU registers.
18075 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
18076 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
18077 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
18078 ColdFire FPU registers.
18079 (m68k_libcall_value, m68k_function_value): New functions.
18080 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
18081 (LIBCALL_VALUE): Use m68k_libcall_value.
18082 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
18083 (MASK_COLDFIRE): Add MASK_CFV4E.
18084 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
18085 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
18086 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
18087 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
18088 (GO_IF_LEGITIMATE_ADDRESS): Use it.
18089 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
18090 * doc/invoke.tex: Document -mcfv4e on m68k.
18092 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
18094 * doc/contribute.texi: Change CVS to SVN and update the corresponding
18097 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
18100 * c-opts.c (c_common_handle_option): Don't include
18101 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
18102 * doc/invoke.texi (C++ Dialect Options): Document that
18103 -Wnon-virtual-dtor is no longer included in -Wall.
18105 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
18107 * gcov.c (print_version), gcov-dump.c (print_version),
18108 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
18111 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
18113 * df-scan.c (problem_SCAN): Added NULL reset function.
18114 (df_scan_reset_blocks): Added code to call reset block function
18115 (df_bb_refs_delete) Fixed comment.
18116 (df_insn_refs_delete): Made tolerant of deleting non existent info
18117 for dataflow problems that need to be reset.
18118 * df-core.c (df_set_blocks): Ditto.
18119 * df.h (struct df_problem): Added reset_fun.
18120 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
18121 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
18122 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
18123 functions to clear out all references to def-use or use-def chains.
18125 2006-01-21 Ben Elliston <bje@au.ibm.com>
18127 * varasm.c (assemble_real): Initialise data array.
18129 2006-01-20 Paul Brook <paul@codesourcery.com>
18131 Merge from csl-arm-branch.
18132 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
18133 * config/arm/arm.md (movdi): Force operands[1] to a register
18134 if we have a non-register source.
18135 (*arm_movdi, *movdf_soft_insn): Require that one of the
18136 operands be a register.
18137 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
18138 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
18140 2006-01-20 DJ Delorie <dj@redhat.com>
18142 * varasm.c (initializer_constant_valid_p): Allow pointers
18143 initialized from integer constants of lesser precision.
18144 (output_constant): Allow non-int-sized pointer modes to be
18145 initialized from integer constants.
18147 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
18150 * cppdefault.h (struct default_include): Add multilib flag.
18151 * cppdefault.c (cpp_include_defaults): Set it.
18152 * c.opt (-imultilib): New option.
18153 * c-opts.c (imultilib): New.
18154 (c_common_handle_option): Handle -imultilib.
18155 (c_common_post_options): Likewise.
18156 * c-incpath.c (add_standard_paths, register_include_chains):
18158 * c-incpath.h (register_include_chains): Add extra parameter.
18159 * gcc.c (do_spec_1): Generate -imultilib option.
18160 (The Specs Language): Update %I description.
18161 (process_command): Update copyright notice.
18162 * doc/cppopts.texi (-imultilib): Document.
18163 * doc/invoke.texi (-imultilib): Include in option summary.
18164 (%I): Update specs documentation.
18166 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18168 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
18170 2006-01-20 Richard Sandiford <richard@codesourcery.com>
18172 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
18175 2006-01-20 Richard Guenther <rguenther@suse.de>
18176 Steven Bosscher <stevenb.gcc@gmail.com>
18178 PR rtl-optimization/24626
18179 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
18180 EDGE_TRUE_VALUE if in RTL mode.
18183 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
18184 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
18186 2006-01-20 Dirk Mueller <dmueller@suse.com>
18189 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
18190 instead of a special NOP marker.
18191 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
18192 NOP marker handling.
18193 * c-common.h (empty_body_warning): Add forward declaration.
18194 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
18195 Now uses IS_EMPTY_STMT() instead of special NOP markers.
18197 2006-01-20 Paul Brook <paul@codesourcery.com>
18199 * Makefile.in (lang_checks): Keep going if mkdir fails.
18201 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18203 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
18204 be able to clean out basic block when not necessary.
18205 (df_scan_free): Fixed to properly delete information if df is
18206 unused before calling df_finish.
18207 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
18208 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
18210 (df_bb_refs_delete): New function.
18211 (df_refs_delete): Moved per block code to df_bb_refs_delete.
18212 * df-core.c (df_set_blocks): Added code to properly clean out
18213 unused blocks if they are not part of the blocks to consider.
18214 Added additional null check.
18215 (df_compact_blocks): Added basic block parameter to free_bb_fun to
18216 be able to clean out basic block when not necessary
18217 * df.h (df_free_bb_function): Ditto.
18218 (df_bb_refs_delete): New function.
18219 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
18220 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
18221 basic block parameter to be able to clean out basic block when not
18223 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
18224 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
18225 Fixed to properly delete information if df is unused before
18228 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18230 PR rtl-optimization/25799
18231 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
18232 Corrected confluence operator to remove bits from op2 before oring
18233 with op1 rather than removing bits from op1.
18234 (df_ru_transfer_function): Corrected test on wrong bitmap which
18235 caused infinite loop. Both of these problems were introduced in
18236 the dataflow rewrite.
18238 2006-01-19 DJ Delorie <dj@redhat.com>
18240 * reload1.c (find_reload_regs): Note the details of reload
18241 failures in the dump file.
18242 (spill_failure): Likewise.
18244 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18246 * loop-iv.c: Include df.h and hashtab.h.
18247 (enum iv_grd_result): New enum.
18248 (DF_REF_IV, DF_REF_IV_SET): New macros.
18249 (struct biv_entry): New.
18250 (df, bivs): New global variables.
18251 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
18252 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
18254 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
18255 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
18256 analyzed_for_bivness_p, record_biv): New functions.
18257 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
18258 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
18259 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
18261 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
18263 (iv_number_of_iterations): Use new interface to iv analysis.
18264 * loop-unroll.c: Do not include varray.h.
18265 (analyze_iv_to_split_insn): Use new interface to iv
18267 * loop-unswitch.c (may_unswitch_on): Ditto.
18268 * df.c (df_bitmaps_free): Only work for bbs for that structures are
18270 (df_bb_modify): Realloc tables to the new index.
18271 (df_find_use): New function.
18272 * df.h (df_find_use): Declare.
18273 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
18275 * cfgloop.h (struct rtx_iv): Remove analysed field.
18276 (iv_get_reaching_def): Removed.
18277 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
18278 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
18279 (loop-iv.o): Add df.h and hashtab.h dependency.
18280 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
18282 2006-01-20 Alan Modra <amodra@bigpond.net.au>
18285 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
18287 (__floatundisf, __floatundidf): Likewise.
18288 * libgcc2.h (IS_IBM_EXTENDED): Define.
18290 2006-01-19 DJ Delorie <dj@redhat.com>
18292 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
18294 2006-01-19 Paul Brook <paul@codesourcery.com>
18296 * config/arm/arm.c (arm_compute_func_type): Treat all functions
18297 as nothrow when unwinding tables are disabled.
18299 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18302 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
18303 of bit-field" when in system header.
18305 2006-01-19 DJ Delorie <dj@redhat.com>
18307 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
18308 the 16 bit shift limit of the m16c.
18310 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
18313 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
18314 * config/i386/i386.c (output_set_got): Output the label if we have one
18315 for the TARGET_DEEP_BRANCH_PREDICTION case.
18317 2006-01-19 Jan Hubicka <jh@suse.cz>
18318 H.J. Lu <hongjiu.lu@intel.com>
18319 Evandro Menezes <evandro.menezes@amd.com>
18321 * invoke.texi (generic): Document
18323 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
18324 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
18325 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
18326 (x86_use_incdec, x86_pad_returns): New variables
18327 (TARGET_CPU_DEFAULT_generic): New constant
18328 (TARGET_CPU_DEFAULT_NAMES): Add generic.
18329 (enum processor_type): Add generic32 and generic64.
18330 * i386.md (cpu attribute): Add generic32/generic64
18331 (movhi splitter): Behave sanely when both partial_reg_dependency and
18332 partial_reg_stall are set.
18333 (K8 splitters): Enable for generic as well.
18334 * predicates.md (incdec_operand): Use TARGET_INCDEC
18335 (aligned_operand): Avoid memory mismatch stalls.
18336 * athlon.md: Enable for generic64, new patterns for 128bit moves.
18337 * ppro.md: Enable for generic32
18338 * i386.c (generic64_cost, generic32_cost): New.
18339 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
18340 (x86_use_leave): Enable for generic64. (x86_use_sahf,
18341 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
18342 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
18343 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
18344 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
18345 x86_partial_reg_dependency, x86_memory_mismatch_stall,
18346 x86_accumulate_outgoing_args, x86_prologue_using_move,
18347 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
18348 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
18349 Enable for generic.
18350 (x86_use_incdec, x86_pad_returns): New.
18351 (override_options): Add generic32 and generic64, translate "generic"
18352 to generic32/generic64 and "i686" to "generic32", refuse
18353 "generic32"/"generic64" as arch target.
18354 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
18355 (ix86_reorg): Honor PAD_RETURNS.
18357 2006-01-19 Diego Novillo <dnovillo@redhat.com>
18359 * tree-pretty-print.c (dump_generic_node): Handle
18360 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
18361 * cgraph.c (cgraph_expand_queue): Rename from
18362 cgraph_analyze_queue. Update all users.
18363 * cgraphunit.c (cgraph_assemble_pending_functions): Process
18364 cgraph_expand_queue.
18365 (cgraph_expand_all_functions): Likewise.
18366 (cgraph_finalize_pending_functions): Remove. Update callers.
18368 * tree.h (OMP_DIRECTIVE_P): Define.
18369 (OMP_PARALLEL_FN): Define.
18370 (OMP_PARALLEL_DATA_ARG): Define.
18371 (OMP_SECTIONS_SECTIONS): Define.
18372 * tree-pass.h (pass_expand_omp): Declare.
18373 * omp-low.c (struct omp_region): Declare.
18374 (struct omp_context): Remove fields 'parallel_type',
18375 'parallel_start_ix' and 'parallel_start_additional_args'.
18377 (struct omp_for_data): Rename from struct expand_omp_for_data.
18378 (omp_regions): New static variable.
18379 (root_omp_region): New static variable.
18380 (find_omp_clause): Make static.
18381 (is_in_combined_parallel_ctx): Remove.
18382 (is_combined_parallel): New.
18383 (extract_omp_for_data): Move earlier in the file.
18384 (workshare_safe_to_combine_p): New.
18385 (get_ws_args_for): New.
18386 (determine_parallel_type): Move earlier in the file.
18387 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
18389 (omp_copy_decl): Likewise.
18390 (create_omp_child_function): Likewise.
18391 (lookup_omp_region): New.
18392 (dump_omp_region): New.
18393 (debug_omp_region): New.
18394 (debug_all_omp_regions): New.
18395 (new_omp_region): New.
18396 (scan_omp_parallel): If parallel_nesting_level > 1, the
18397 directive is nested within another parallel directive.
18398 Set OMP_PARALLEL_FN.
18399 (scan_omp_for): Do not try to handle combined parallel+for
18401 Remove FIXME comment.
18402 (scan_omp_nested): Remove.
18403 (scan_omp_1): Do not call scan_omp_nested when
18404 parallel_nesting_level is > 1.
18405 Do not change the DECL_CONTEXT of local variables found.
18406 (lookup_decl_in_outer_ctx): New.
18407 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
18408 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
18409 (lower_reduction_clauses): Rename from expand_reduction_clauses.
18410 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
18411 If CTX is nested, lookup VAR in the outer context when
18412 building copy assignment.
18413 (lower_send_clauses): Rename from expand_send_clauses.
18414 If CTX is nested, lookup VAR in the outer context when
18415 building copy assignments.
18416 (lower_send_shared_vars): Rename from expand_send_shared_vars.
18417 If CTX is nested, lookup VAR in the outer context when
18418 building copy assignments.
18419 (expand_parallel_call): Rename from build_parallel_call.
18420 Handle combined parallel+workshare cases.
18421 Re-implement to emit code into the CFG.
18423 (expand_omp_parallel): Re-implement to emit code into the CFG.
18424 Call move_sese_region_to_fn to outline the sub-graph
18425 containing the parallel region.
18426 (expand_omp_for_1): Remove.
18427 (expand_omp_for_generic): Re-implement to emit code into the
18429 (expand_omp_for_static_nochunk): Likewise.
18430 (expand_omp_for_static_chunk): Likewise.
18431 (expand_omp_for): Likewise.
18432 (expand_omp_sections): Likewise.
18433 (remove_exit_barriers): New.
18434 (expand_omp_synch): New.
18436 (build_omp_regions_1): New.
18437 (build_omp_regions): New.
18438 (execute_expand_omp): New.
18439 (gate_expand_omp): New.
18440 (pass_expand_omp): Define.
18441 (lower_omp_sections): Rename from expand_omp_sections.
18442 Set OMP_SECTIONS_SECTIONS.
18443 (lower_omp_single_simple): Rename from expand_omp_single_simple.
18444 (lower_omp_single_copy): Rename from expand_omp_single_copy.
18445 (lower_omp_single): Rename from expand_omp_simple.
18446 (lower_omp_master): Rename from expand_omp_master.
18447 (lower_omp_ordered): Rename from expand_omp_ordered.
18448 (lower_omp_critical): Rename from expand_omp_critical.
18449 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
18450 (lower_omp_for): Re-implement.
18451 (lower_omp_parallel): Re-implement.
18452 (lower_regimplify): Rename from expand_regimplify.
18453 (lower_omp_1): Rename from expand_omp_1.
18454 If there are syntax errors in the program, replace every
18455 OpenMP directive with NOP.
18456 Call lower_omp_* instead of expand_omp_*.
18457 (lower_omp): Rename from expand_omp.
18459 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
18460 * tree-gimple.h (enum omp_parallel_type): Remove.
18461 (gimple_boolify): Declare extern.
18462 (find_omp_clause, determine_parallel_type): Remove.
18464 * gimple-low.c (lower_omp_directive): New.
18465 (lower_stmt): Call it.
18466 (record_vars_into): Move from ...
18467 (record_vars): ... here.
18468 Call record_vars_into with current_function_decl.
18470 * gimplify.c (struct gimplify_ctx): Remove fields
18471 combined_pre_p and combined_ctxp. Update users.
18472 (get_formal_tmp_var): Add documentation.
18473 (gimple_boolify): Make extern.
18474 (gimplify_expr_in_ctx): Remove. Update callers.
18475 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18476 will always be a BIND_EXPR.
18477 (gimplify_expr): Handle OMP_RETURN_EXPR.
18478 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18479 (OMP_PARALLEL): Add 3 operands.
18480 (OMP_SECTIONS): Add 1 operand.
18481 (OMP_RETURN_EXPR): Define.
18483 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18484 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18485 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18486 creating a circular free list.
18487 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18489 * tree-flow.h (move_sese_region_to_fn): Declare.
18490 (record_vars_into): Declare.
18491 * tree-cfg.c (make_omp_sections_edges): New.
18492 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18493 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18494 OMP_SECTIONS and OMP_SECTION.
18495 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18496 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18497 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18498 (gather_blocks_in_sese_region): New.
18499 (struct move_stmt_d): Declare.
18500 (move_stmt_r): New.
18501 (move_block_to_fn): New.
18502 (move_sese_region_to_fn): New.
18504 * passes.c (init_optimization_passes): Schedule
18505 pass_expand_omp after pass_init_datastructures.
18507 * tree-ssa-operands.c (get_expr_operands): Handle
18508 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18509 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18511 2006-01-19 Jeff Law <law@redhat.com>
18513 * tree-vrp.c (extract_range_from_assert): Refine the result range
18514 if the variable referenced by the ASSERT_EXPR has a range and
18515 either the tentative result range or the previous range is a
18518 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18520 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18522 2006-01-19 Jan Hubicka <jh@suse.cz>
18524 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18526 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18528 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18529 (expand_compound_operation, expand_field_assignment): Fail if the
18530 bit lengths of an extract operation are out of range.
18531 (make_extraction): Compute wanted_inner_mode based on the position
18532 and length of the extraction. Make it extraction_mode for non-constant
18533 positions, and do not modify offset in that case. When generating a
18534 new MEM, use a mode that can hold the extraction while keeping correct
18535 alignment. Remove code that supported MEMs wrapped by USEs.
18536 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18538 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18540 * config/s390/s390.md ("Y", "y"): New mode attribute.
18541 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18542 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18543 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18544 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18545 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18546 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18547 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18548 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18549 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18550 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18551 "addsi3", "subsi3"): Insn patterns removed.
18552 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18553 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18554 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18555 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18556 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18557 "*sub<mode>3_cconly2"): New insn patterns.
18558 ("addsi3", "subsi3"): New expanders.
18560 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18562 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18563 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18564 existing STMT_VINFO_VECTYPE if available.
18565 (vect_mark_relevant): Add special handling for stmts that are
18566 marked as STMT_VINFO_IN_PATTERN_P.
18567 (vect_analyze_loop): Call vect_pattern_recog.
18568 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18569 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18571 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18572 (vect_recog_func_ptr): New function-pointer type.
18573 * tree-vect-patterns.c: New file.
18574 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18575 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18576 (vect_pattern_recog_1): New functions.
18577 (vect_pattern_recog_funcs): New array of function pointers.
18579 * tree-vectorizer.h (ternary_op): New enum value.
18580 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18581 declaration. Revised documentation. Removed redundant dump prints.
18582 Removed redundant argument. Added support for reduction patterns.
18583 (vectorizable_reduction): Added support for reduction patterns.
18584 (vect_transform_stmt): Added support for patterns.
18586 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18587 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18588 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18589 (expand_widen_pattern_expr): New function.
18590 (init_optabs): Initialize new optabs udot_prod_optab,
18592 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18593 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18594 (expand_widen_pattern_expr): New function declaration.
18595 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18597 * tree-inline.c (estimate_num_insns_1): Added cases for new
18598 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18599 * tree-pretty-print.c (dump_generic_node): Likewise.
18600 (op_prio): Likewise.
18601 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18602 * tree-ssa-operands.c (get_expr_operands): Added case for
18604 * tree-vect-patterns.c (widened_name_p): New function.
18605 (vect_recog_dot_prod_pattern): Added function implementation.
18606 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18607 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18608 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18609 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18611 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18612 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18613 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18614 (init_optabs): Initialize new optabs widen_ssum_optab,
18616 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18617 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18618 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18619 use instead of type of def.
18620 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18621 function implementation.
18622 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18623 widen_ssumv8hi): New.
18625 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18628 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18631 * c-decl.c (add_flexible_array_elts_to_size): New function.
18632 (finish_decl): Use it.
18634 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18636 * diagnostic.h: Include options.h.
18637 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18638 dependancies for diagnostic.h.
18639 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18641 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18643 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18644 (ssa_ro_call_cache_valid): Ditto.
18645 * tree-ssa-alias.c (sort_tags_by_id): New function.
18646 (init_transitive_clobber_worklist): Ditto.
18647 (add_to_worklist): Ditto.
18648 (mark_aliases_call_clobbered): Ditto.
18649 (compute_tag_properties): Ditto.
18650 (set_initial_properties): Ditto.
18651 (compute_call_clobbered): Ditto.
18652 (compute_may_aliases): Call compute_call_clobbered and grouping.
18653 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18654 (compute_flow_insensitive_aliasing): Grouping now happens in our
18656 (setup_pointers_and_addressables): Remove clobbering related code.
18657 (add_may_alias): Ditto.
18658 (replace_may_alias): Ditto.
18659 (get_nmt_for): Ditto.
18660 (create_global_var):
18661 (is_escape_site): Return an escape_type enumeration.
18662 * tree-flow-inline.h (is_call_clobbered): Global var does not
18663 imply call clobbered.
18664 (mark_call_clobbered): Take a reason for marking this. Remove
18665 marking of globalness, and cache invalidation.
18666 (clear_call_clobbered): Remove cache invalidation code.
18667 * tree-dfa.c (dump_variable): If details is on, dump the reason
18669 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18671 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18672 (struct var_ann_d): Ditto.
18673 (enum escape_type): New.
18674 (mark_call_clobbered): Adjust prototype.
18675 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18676 are never call clobbered.
18677 Record reasons for escaping.
18678 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18679 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18680 (ssa_ro_call_cache_valid): Ditto.
18681 (clobbered_v_may_defs): Ditto.
18682 (clobbered_vuses): Ditto.
18683 (ro_call_vuses): Ditto.
18684 (clobber_stats): New.
18685 (init_ssa_operands): Zero out clobber stats.
18686 (fini_ssa_operands): Print out clobber stats.
18687 (get_call_expr_operands): Pass callee fndecl to
18688 add_call_read_ops).
18689 (add_call_clobber_ops): Remove use of cache.
18690 Add use of PURE_CONST information.
18691 (add_call_read_ops): Remove use of cache.
18692 Add use of static not_read information.
18694 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18696 Introduce TLS descriptors for i386 and x86_64.
18697 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18698 (TARGET_ANY_GNU_TLS): New macro.
18699 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18700 (struct machine_function): Add tls_descriptor_call_expanded_p.
18701 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18702 (ix86_current_function_calls_tls_descriptor): Likewise.
18703 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18704 (override_options): Introduce gnu2 tls dialect.
18705 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18707 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18709 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18710 (ix86_init_machine_status): Initialize new field.
18711 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18712 (ix86_tls_module_base): New.
18713 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18714 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18715 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18716 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18717 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18718 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18719 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18720 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18721 * config/i386/predicates.md (tls_modbase_operand): New.
18722 (tp_or_register_operand): New.
18724 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18726 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18727 (look_for_address_of): Ditto.
18728 (ipa_init): Walk the function decls.
18729 (static_execute): Don't set readonly on FUNCTION_DECL's.
18731 2006-01-18 Roger Sayle <roger@eyesopen.com>
18733 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18734 for shifts where the source and destination registers are different.
18736 2006-01-18 Paul Brook <paul@codesourcery.com>
18738 Merge from csl-arm-branch.
18739 2005-03-14 Julian Brown <julian@codesourcery.com>
18740 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18741 (aeabi_llsl): Likewise.
18742 (ashrdi3): Likewise.
18743 (aeabi_lasr): Likewise.
18744 (lshrdi3): Likewise.
18745 (aeabi_llsr): Likewise.
18746 2005-03-10 Julian Brown <julian@codesourcery.com>
18747 * config.gcc: Disable shared libgcc for SymbianOS.
18748 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18750 2006-01-18 DJ Delorie <dj@redhat.com>
18752 * c-pragma.c (handle_pragma_diagnostic): New.
18753 (init_pragma): Register it.
18754 * doc/extend.texi: Document it.
18756 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18757 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18758 (diagnostic_context): Add classify_diagnostic[].
18759 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18760 as errors if they're overridden to DK_WARNING.
18761 (diagnostic_initialize): Initialize classify_diagnostic[].
18762 (diagnostic_set_kind_override): New.
18763 (diagnostic_report_diagnostic): Check for kind changes.
18764 * opts.c (common_handle_option): Take lang_mask. Update callers.
18765 Handle OPT_Werror_.
18766 * common.opt (Werror=): New.
18767 * doc/invoke.texi: Document -Werror=*
18769 2006-01-18 Jeff Law <law@redhat.com>
18771 * tree-vrp.c (test_for_singularity): Correct test for new
18772 min limit. Use operand_equal_p rather than pointer equality
18773 for testing if new min/max values are equal.
18775 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18776 using range information until after propagation and folding.
18778 2006-01-18 Richard Henderson <rth@redhat.com>
18779 Aldy Hernandez <aldyh@redhat.com>
18780 Jakub Jelinek <jakub@redhat.com>
18781 Diego Novillo <dnovillo@redhat.com>
18783 * omp-low.c: New file.
18784 * c-omp.c: New file.
18786 2006-01-18 Richard Henderson <rth@redhat.com>
18787 Jakub Jelinek <jakub@redhat.com>
18788 Diego Novillo <dnovillo@redhat.com>
18790 * doc/invoke.texi: Document -fopenmp.
18791 * tree-dump.h (debug_function): Declare.
18792 * hooks.c (hook_bool_tree_bool_false): New function.
18793 (hook_tree_tree_null): Remove.
18794 (hook_tree_tree_tree_null): New.
18795 * hooks.h: Update to match.
18796 * tree-pretty-print.c (debug_tree_chain): New.
18797 (print_generic_expr): Handle TDF_CHAIN.
18798 (dump_generic_node): Handle BLOCK.
18799 Do not abort with incomplete SWITCH_EXPRs.
18800 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18801 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18802 print space after directive name.
18803 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18804 Handle OMP_MASTER and OMP_ORDERED.
18805 Handle printing of OMP_BODY just in one place, goto
18806 dump_omp_body in the rest of OMP_* nodes that have
18808 Don't handle clause nodes here. Update omp statements to
18809 use dump_omp_clauses.
18810 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18811 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18812 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18813 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18814 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18815 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18816 Adjust output for GOMP_PARALLEL.
18817 (dump_omp_clauses): New.
18818 (print_declaration): Dump DECL_VALUE_EXPR.
18819 (op_symbol_1): Split out of op_symbol.
18820 (dumping_stmts): Remove. Update all users.
18821 * cgraph.c (cgraph_analyze_queue): New.
18822 (cgraph_add_new_function): New.
18823 * cgraph.h (cgraph_analyze_queue): Declare.
18824 (cgraph_add_new_function): Declare.
18825 (cgraph_lower_function): Remove.
18826 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18827 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18828 and TYPE_P nodes in its default clause.
18829 (empty_body_p): New.
18830 (tree_range_check_failed): New.
18831 (build5_stat): New.
18832 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18833 OMP_CLAUSE_REDUCTION_MERGE,
18834 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18835 OMP_CLAUSE_PRIVATE_DEBUG,
18836 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18837 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18838 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18839 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18840 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18841 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18842 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18843 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18844 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18845 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18846 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18847 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18848 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18849 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18850 (TREE_RANGE_CHECK): New.
18851 (empty_body_p): Declare.
18852 (enum omp_clause_default_kind): New.
18853 (build_string_literal): Declare.
18854 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18855 (build5_stat, build5): Declare.
18856 * tree-pass.h (TDF_CHAIN): Define.
18857 * tree-pass.h (PROP_gimple_lomp): Define.
18858 (pass_lower_omp): Declare.
18859 * diagnostic.h (debug_tree_chain): Declare.
18860 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18862 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18863 * builtins.c (build_string_literal): Make extern.
18864 * gcc.c (include_spec_function): New.
18865 (static_spec_functions): Add it.
18866 (main): Move load of libgomp.spec ...
18867 (LINK_COMMAND_SPEC): ... here.
18868 (link_gomp_spec): New.
18869 (static_specs): Include it.
18870 (LINK_COMMAND_SPEC): Add link_gomp.
18871 (GOMP_SELF_SPECS): New.
18872 (driver_self_specs): Include it.
18873 (switch_matches): Don't mark inline.
18874 (main): Load libgomp.spec.
18875 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18876 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18877 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18878 * tree-gimple.h (enum omp_parallel): Declare.
18879 (determine_parallel_type): Declare.
18880 (omp_firstprivatize_variable): Declare.
18881 (omp_reduction_init): Declare.
18882 (diagnose_omp_structured_block_errors): Declare.
18883 (struct walk_stmt_info): Add want_return_expr.
18884 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18885 (find_omp_clause): Declare.
18886 (insert_field_into_struct): Declare.
18887 (struct walk_stmt_info): Move from tree-nested.c
18888 (walk_stmts): Declare.
18889 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18891 * cgraphunit.c (cgraph_lower_function): Make static.
18892 (cgraph_finalize_pending_functions): New.
18893 (cgraph_finalize_function): Call it.
18894 (cgraph_finalize_compilation_unit): Likewise.
18895 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18896 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18897 (BT_FN_UINT_UINT): New.
18898 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18899 DEF_FUNCTION_TYPE_VAR_4): Document.
18900 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18901 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18902 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18903 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18904 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18905 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18906 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18907 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18908 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18909 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18910 into separate files.
18911 (DEF_GOMP_BUILTIN): New.
18912 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18913 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18914 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18915 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18916 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18917 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18918 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18919 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18920 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18921 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18922 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18923 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18924 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18925 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18926 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18927 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18928 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18929 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18930 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18931 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18932 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18933 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18934 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18935 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18936 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18937 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18938 * sync-builtins.def: New file, moved from builtins.def.
18939 * omp-builtins.def: New file, moved from builtins.def.
18940 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18941 * gimple-low.c (lower_function_body): Clear data.
18942 (lower_stmt): Do not handle COMPOUND_EXPR.
18943 Remove call to print_node_brief.
18944 * c-tree.h (c_finish_omp_clauses): New prototype.
18945 (C_DECL_THREADPRIVATE_P): Define.
18946 (lookup_name_no_remap, c_omp_remap_private): Remove
18947 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18948 (check_for_loop_decls): Update decl.
18949 (lookup_name_no_remap, c_omp_remap_private): Declare.
18950 (build_indirect_ref, build_modify_expr, pushdecl,
18951 pushdecl_top_level): Move to c-common.h.
18952 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18953 before the switch, but just in the 2 places that need it.
18954 * c-decl.c (diagnose_mismatched_decls): Do not check for
18955 mismatched thread-local attributes when OLDDECL is marked
18956 threadprivate and NEWDECL has no thread-local attributes.
18957 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18958 (c_gimple_diagnostics_recursively): Rename from
18959 c_warn_unused_result_recursively. Invoke
18960 diagnose_omp_structured_block_errors.
18961 (check_for_loop_decls): Return a singular decl found.
18962 * langhooks.c (lhd_omp_predetermined_sharing): Return
18963 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18964 (lhd_omp_firstprivatize_type_sizes): New.
18965 (lhd_omp_assignment): New.
18966 (lhd_omp_predetermined_sharing): New.
18967 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18968 (struct lang_hooks_for_types): Add
18969 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18970 omp_predetermined_sharing, omp_disregard_value_expr,
18971 omp_private_debug_clause, omp_clause_default_ctor,
18972 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18973 (c_finish_omp_clauses): New.
18974 (c_finish_bc_stmt): Diagnose break within omp for.
18975 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18976 (build_unary_op): Return error_mark after reporting
18978 (build_modify_expr): Likewise.
18979 * gimplify.c: Include optabs.h and pointer-set.h.
18980 (enum gimplify_omp_var_data): Declare.
18981 (struct gimplify_omp_ctx): Declare.
18982 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18984 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18985 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18986 (splay_tree_compare_decl_uid): New.
18987 (new_omp_context): New.
18988 (delete_omp_context): New.
18989 (gimple_add_tmp_var): Call omp_add_variable.
18990 (gimplify_bind_expr): Likewise.
18991 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18992 true, disregard DECL_VALUE_EXPR on the decl if any.
18993 (gimplify_expr_in_ctx): New.
18994 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18995 omp_add_variable, omp_notice_variable, omp_is_private
18996 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18997 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18998 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18999 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
19000 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
19001 gimplify_omp_atomic): New.
19002 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19003 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19004 OMP_CRITICAL and OMP_ATOMIC.
19005 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
19006 * c-pragma.h (enum pragma_kind): Add
19007 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
19008 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
19009 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
19010 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
19011 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
19012 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
19013 PRAGMA_OMP_THREADPRIVATE.
19014 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19015 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19016 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
19017 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
19018 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
19019 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
19020 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
19021 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
19022 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
19023 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
19024 * tree-ssa-dce.c (find_control_dependence): Do not assume that
19025 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
19026 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
19028 (struct nesting_info): Add field_map,
19029 suppress_expansion, debug_var_chain.
19030 (create_nesting_tree): Initialize them.
19031 (lookup_field_for_decl): Use field_map.
19032 (get_nonlocal_debug_decl, get_local_debug_decl): New.
19033 (convert_local_omp_clauses): New.
19034 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
19035 (walk_body): Split out of walk_function.
19036 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
19037 (convert_nonlocal_reference): Handle omp statements.
19038 (convert_local_reference): Likewise.
19039 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
19040 (unnest_nesting_tree): New.
19041 (lower_nested_functions): Call it.
19042 (insert_field_into_struct): Make extern.
19043 (struct walk_stmt_info): Move to tree-gimple.h.
19044 (walk_stmts): Make extern.
19045 * omp-builtins.def: New file.
19046 * tree-iterator.c (expr_only): Clarify comment.
19047 * c-common.h (pushdecl_top_level, pushdecl,
19048 build_modify_expr, build_indirect_ref,
19049 c_finish_omp_master, c_finish_omp_critical,
19050 c_finish_omp_ordered, c_finish_omp_barrier,
19051 c_finish_omp_atomic, c_finish_omp_flush,
19052 c_finish_omp_for, c_split_parallel_clauses,
19053 omp_clause_default_kind, c_omp_sharing_predetermined,
19054 c_omp_remap_decl): Declare.
19055 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
19056 (OBJS-common): Add omp-low.o.
19057 (c-omp.o, omp-low.o): Add.
19058 (gimplify.o): Add dependency on $(OPTABS_H).
19059 (GTFILES): Add omp-low.c.
19060 (gt-stringpool.h): Add.
19061 * tree-cfg.c (set_bb_for_stmt): Do not update the
19062 block-to-labels map if we are currently expanding to RTL.
19063 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
19065 Handle IDENTIFIER_NODE.
19066 (tree_verify_flow_info): Do not ICE when emitting error
19067 messages about invalid labels.
19068 (dump_function_to_file): Reset CFUN before emitting the body
19070 (debug_function): New.
19071 * passes.c (init_optimization_passes): Schedule
19073 * langhooks-def.h (lhd_omp_predetermined_sharing,
19074 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
19076 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
19077 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
19078 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
19079 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
19080 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
19081 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
19082 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
19083 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
19084 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
19085 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
19086 (LANG_HOOK_DECLS): Use them.
19088 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
19089 Richard Henderson <rth@redhat.com>
19090 Jakub Jelinek <jakub@redhat.com>
19091 Diego Novillo <dnovillo@redhat.com>
19093 * c-parser.c (pragma_omp_clause): Define.
19094 (c_parser_declaration_or_fndef): Document OpenMP syntax.
19095 (c_parser_compound_statement): Likewise.
19096 (c_parser_statement): Likewise.
19097 (c_parser_pragma): Handle omp pragmas.
19098 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
19099 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
19100 (c_parser_omp_clause_name, check_no_duplicate_clause,
19101 c_parser_omp_variable_list,
19102 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
19103 c_parser_omp_clause_copyprivate,
19104 c_parser_omp_clause_default,
19105 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
19106 c_parser_omp_clause_lastprivate,
19107 c_parser_omp_clause_nowait,
19108 c_parser_omp_clause_num_threads,
19109 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
19110 c_parser_omp_clause_reduction,
19111 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
19112 c_parser_omp_all_clauses, c_parser_omp_structured_block,
19113 c_parser_omp_atomic, c_parser_omp_barrier,
19114 c_parser_omp_critical, c_parser_omp_flush,
19115 c_parser_omp_for_loop, c_parser_omp_for,
19116 c_parser_omp_master, c_parser_omp_ordered,
19117 c_parser_omp_sections_scope, c_parser_omp_sections,
19118 c_parser_omp_parallel, c_parser_omp_single,
19119 c_parser_omp_construct, c_parser_omp_threadprivate): New.
19120 * c-pragma.c (init_pragma): Do omp pragma registration here.
19121 * c.opt (fopenmp): New flag.
19123 2006-01-18 Eric Christopher <echristo@apple.com>
19125 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
19126 * config/darwin.h (GOMP_SELF_SPECS): Define.
19128 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19130 * rtl.h: Remove the prototype for reg_alloc.
19132 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19135 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
19136 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
19137 sjlj and dwarf2 exception handling.
19138 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
19139 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
19140 * pa/pa.c (function_value): Treat complex and vector types as
19142 (function_arg): Likewise. Only pass scalar floats in the floating
19143 point argument registers.
19144 * pa/t-slibgcc-dwarf-ver: New file.
19145 * pa/t-slibgcc-sjlj-ver: New file.
19146 * pa/t-slibgcc-elf-ver: Delete file.
19148 2006-01-19 Alan Modra <amodra@bigpond.net.au>
19150 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
19151 unlikely_test_section_p test.
19153 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19155 * mode-switching.c (optimize_mode_switching): Make it static.
19156 * basic-block.h: Remove the prototype for
19157 optimize_mode_switching.
19159 * modulo-sched.c (sms_schedule): Make it static.
19160 * rtl.h: Remove the prototype for sms_schedule.
19162 * postreload-gcse.c (gcse_after_reload_main): Make it static.
19163 * rtl.h: Remove the prototype for gcse_after_reload_main.
19165 * reg-stack.c (reg_to_stack): Make it static.
19166 * rtl.h: Remove the prototype for reg_to_stack.
19168 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
19170 * rtl.h: Remove the prototypes for regrename_optimize and
19171 copyprop_hardreg_forward.
19173 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
19175 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
19176 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
19177 Test against the appropriate null constant for the mode.
19178 If 'fixup_overlap' is true, swap the operands if they overlap.
19179 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
19180 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
19181 alpha_split_tmode_pair and adjust for above change.
19182 * config/alpha/alpha.md (movtf_internal): Adjust call to
19183 alpha_split_tfmode_pair and rely on it to swap the operands.
19184 (movti_internal): New insn and post-reload splitter.
19185 (movti): New expander.
19187 2006-01-18 Philippe De Muyter <phdm@macqel.be>
19189 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
19192 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19194 * rtlanal.c (global_reg_mentioned_p_1,
19195 global_reg_mentioned_p): Remove.
19196 * rtl.h: Remove the prototype for global_reg_mentioned_p.
19198 * flow.c (initialize_uninitialized_subregs): Make it static.
19199 * rtl.h: Remove the prototype for
19200 initialize_uninitialized_subregs.
19202 * function.c (instantiate_virtual_regs): Make it static.
19203 * function.h: Remove the prototype for
19204 instantiate_virtual_regs.
19206 * regmove.c (regmove_optimize, combine_stack_adjustments):
19208 * rtl.h: Remove the prototypes for regmove_optimize and
19209 combine_stack_adjustments.
19211 2006-01-17 Roger Sayle <roger@eyesopen.com>
19213 * config/i386/i386.c (COSTS_N_BYTES): New macro.
19214 (size_cost): Encode costs in bytes so that a reg-reg addition is
19215 equivalent to COSTS_N_INSNS(1).
19216 (override_options): Use the size_cost.branch_cost as the default
19217 ix86_branch_cost when optimizing for size.
19219 2006-01-18 Ben Elliston <bje@au.ibm.com>
19221 * Makefile.in (D32PBIT_FUNCS): New.
19222 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
19223 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
19224 D64PBIT_FUNCS and D128PBIT_FUNCS.
19225 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
19226 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
19228 (decnumber_dep): Define.
19229 * doc/libgcc.texi (Decimal float library routines): New node.
19230 * config/dfp-bit.h, config/dfp-bit.c: New files.
19232 2006-01-18 Ben Elliston <bje@au.ibm.com>
19234 * expr.c (emit_move_change_mode): Always adjust addresses, not
19235 just during reload. Copy replacements only during reload.
19236 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
19237 emit_move_via_integer.
19239 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
19241 * Makefile.in (check-%, check-consistency): Use $${srcdir}
19242 instead of $(srcdir) and ${srcdir}.
19244 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
19247 PR middle-end/11135
19248 * arm.h (struct machine_function): Add pic_reg.
19249 * arm.c (arm_pic_register): Make unsigned.
19250 (arm_override_options): Only set arm_pic_register if
19251 TARGET_SINGLE_PIC_BASE.
19252 (use_return_insn): Only test for a pic register if it is fixed.
19253 (arm_compute_save_reg0_reg12_mask): Likewise.
19254 (thumb_compute_save_reg_mask): Likewise.
19255 (legitimate_pic_operand): Factor out some known invariants.
19256 (legitimize_pic_address): If we don't have a fixed pic register,
19257 then set up a pseudo in the function entry sequence. Handle the
19258 pic base being in a pseudo.
19259 (arm_load_pic_register): Handle the pic register being in a pseudo.
19260 (arm_expand_prologue): Only set up the pic register if it is fixed.
19261 (thumb_expand_prologue): Likewise.
19262 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
19263 (pic_load_addr_based_insn): Likewise.
19264 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
19267 2006-01-18 Ben Elliston <bje@au.ibm.com>
19269 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
19270 decimal float modes for all floating point registers.
19272 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
19273 match_code "mem" with match_test "macho_lo_sum_memory_operand".
19275 2006-01-17 Jakub Jelinek <jakub@redhat.com>
19278 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
19279 even when the pointer is not NULL.
19281 2006-01-16 Ian Lance Taylor <ian@airs.com>
19283 * common.opt (ftoplevel-reorder): New option.
19284 * cgraph.c (cgraph_asm_nodes): New global variable.
19285 (cgraph_asm_last_node): New static variable.
19286 (cgraph_order): New global variable.
19287 (cgraph_create_node): Set new order field.
19288 (cgraph_varpool_node): Likewise.
19289 (decide_is_variable_needed): Return true if not
19290 flag_toplevel_reorder.
19291 (cgraph_add_asm_node): New function.
19292 * cgraph.h (struct cgraph_node): Add order field.
19293 (struct cgraph_varpool_node): Add order field.
19294 (struct cgraph_asm_node): Define.
19295 (cgraph_asm_nodes, cgraph_order): Declare.
19296 (cgraph_add_asm_node): Declare.
19297 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
19299 (cgraph_varpool_assemble_pending_decls): Call it.
19300 (cgraph_output_pending_asms): New static function.
19301 (cgraph_finalize_compilation_unit): Call it.
19302 (struct cgraph_order_sort): Define.
19303 (cgraph_output_in_order): New static function.
19304 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
19305 !flag_toplevel_reorder case.
19306 * c-parser.c: Include "cgraph.h".
19307 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
19309 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
19310 than -fno-unit-at-a-time.
19311 * doc/invoke.texi (Option Summary): Mention
19312 -fno-toplevel-reorder.
19313 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
19314 -funit-at-a-time documentation.
19316 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
19317 Kazu Hirata <kazu@codesourcery.com>
19319 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
19321 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
19323 * Makefile.in (FUNCTION_H): New. Use it instead of
19324 function.h throughout the file.
19325 * function.h: Include tree.h.
19327 2006-01-17 Ben Elliston <bje@au.ibm.com>
19329 * recog.c: Separate some functions with whitespace.
19331 2006-01-16 Richard Henderson <rth@redhat.com>
19333 Merge from gomp branch:
19334 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
19335 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
19336 and rename from struct inline_data. Rename callee* to dst*;
19337 caller* to src*; add copy_decl hook, transform_call_graph_edges,
19338 transform_new_cfg, transform_return_to_modify, and
19339 transform_lang_insert_block flags; remove cloning_p, versioning_p,
19341 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
19342 (copy_decl_for_dup): Remove.
19343 * tree-inline.c (struct inline_data): Move to header.
19344 (insert_decl_map): Export.
19345 (remap_decl): Update for member name changes. Use copy_decl hook.
19346 Allow for replacement to be a non-decl. Remove dead code.
19347 (remap_type_1): Check for existing mapping.
19348 (remap_type): Export.
19349 (remap_decls): Update for member name changes.
19350 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
19351 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
19352 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
19353 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
19354 (tree_function_versioning, build_duplicate_type): Likewise.
19355 (copy_body_r): Likewise. Export.
19356 (copy_decl_for_dup): Split into ...
19357 (copy_decl_for_dup_finish, copy_decl_to_var,
19358 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
19359 (replace_ref_tree, inlining_p): Remove.
19361 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19363 * ifcvt.c (if_convert): Make it static.
19364 * rtl.h: Remove the prototype for if_convert.
19366 * local-alloc.c (local_alloc): Make it static.
19367 * rtl.h: Remove the prototype for local_alloc.
19369 * loop.c (loop_optimize): Make it static.
19370 * cfgloop.h: Remove the prototype for loop_optimize.
19373 2006-01-16 DJ Delorie <dj@redhat.com>
19375 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
19378 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19380 * pa.md: Disparage copies between general and floating-point registers
19381 in 32-bit move patterns.
19383 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
19386 * Makefile.in (check-%): Depend on site.exp instead of
19387 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
19390 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19392 * global.c (global_alloc): Make it static.
19393 * rtl.h: Remove the prototype for global_alloc.
19395 2006-01-16 Richard Guenther <rguenther@suse.de>
19397 * tree-ssa-alias.c (struct used_part): Add write_only field.
19398 (get_or_create_used_part_for): Initialize it to true.
19399 (create_overlap_variables_for): Don't create structure variables
19400 for structures that only are written to.
19401 (find_used_portions): Handle MODIFY_EXPR to track whether a
19402 structure is only written to.
19404 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19406 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
19408 * basic-block.h: Remove the prototype for
19409 partition_hot_cold_basic_blocks.
19411 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
19413 * cppspec.c (lang_specific_spec_functions): Remove.
19414 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
19415 * gcc.h (lang_specific_spec_functions): Remove.
19416 * gccspec.c (lang_specific_spec_functions): Remove.
19418 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
19420 * combine.c (record_value_for_reg): Invalidate registers
19422 (record_dead_and_set_regs_1): Likewise, by passing them to
19423 record_value_for_reg.
19424 (record_dead_and_set_regs): Invalidate stores made by a
19425 call. We do not combine across a call, but we still
19426 relied on equivalences.
19428 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19430 * tree-vrp.c (extract_range_from_binary_expr): Cope with
19431 vrp_int_const_binop returning non-constant nodes.
19433 2006-01-16 Paul Brook <paul@codesourcery.com>
19435 * config/m68k/m68k.c (output_move_const_into_data_reg):
19436 Output correct mnemonic for mvz and mvs.
19438 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
19440 * rtl-factoring.c: Add sequence abstraction algorithm.
19441 * cfgcleanup.c (outgoing_edges_match): Extra checks.
19442 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
19444 (block_has_preserve_label): New function.
19445 * common.opt: Register new pass.
19446 * Makefile.in: Ditto.
19448 * timevar.def: Ditto.
19449 * tree-pass.h: Ditto.
19450 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
19451 * rtl.h (make_jump_insn_raw): Add forward decl.
19452 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
19454 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19455 Roger Sayle <roger@eyesopen.com>
19457 * fold-const.c (fold_minmax): New static function.
19458 (fold_binary) <MIN_EXPR>: Call it.
19459 <MAX_EXPR>: Likewise.
19460 * stor-layout.c (place_field): Use DECL_SIZE consistently
19461 in the computation of the new record size.
19463 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19465 * cse.c (cse_condition_code_reg): Make it static.
19466 * rtl.h: Remove the prototype for cse_condition_code_reg.
19468 * combine.c (combine_instructions): Make it static.
19469 * rtl.h: Remove the prototype for combine_instructions.
19471 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19474 * tree.c (get_file_function_name_long): Concatenate the first global
19475 object name with a string derived from the input filename of the object
19478 2006-01-16 Ben Elliston <bje@au.ibm.com>
19480 * config/i386/winnt-stubs.c: Update FSF address.
19481 * config/xtensa/ieee754-df.S: Ditto.
19482 * config/xtensa/ieee754-sf.S: Ditto.
19484 2006-01-14 Ian Lance Taylor <ian@airs.com>
19486 * ifcvt.c (noce_init_if_info): New static function, broken out of
19487 noce_process_if_block.
19488 (noce_process_if_block): Call noce_init_if_info.
19489 (check_cond_move_block): New static function.
19490 (cond_move_process_if_block): New static function.
19491 (process_if_block): Call cond_move_process_if_block.
19493 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19495 * cselib.c (hash_table): Rename to cselib_hash_table.
19496 (cselib_clear_table, discard_useless_values,
19497 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19498 cselib_init, cselib_finish): Adjust uses of hash_table.
19500 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19502 PR tree-optimization/25485
19503 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19504 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19505 is known to be false and true, respectively.
19507 2006-01-14 Richard Guenther <rguenther@suse.de>
19509 PR tree-optimization/22548
19510 PR tree-optimization/22555
19511 PR tree-optimization/22501
19512 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19513 * params.def (salias-max-array-elements): New parameter.
19514 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19515 * doc/invoke.texi (salias-max-array-elements): Document.
19516 * tree-flow-inline.h (var_can_have_subvars): We also handle
19518 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19520 * tree-ssa-structalias.c (params.h): Include.
19521 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19522 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19523 (get_constraint_for): For ADDR_EXPR operating on something
19524 containing an ARRAY_REF, add all subvars to the solution.
19525 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19526 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19527 for creating MUST_DEFs.
19528 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19530 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19532 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19534 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19535 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19536 number_of_iterations_le): New functions.
19537 (number_of_iterations_special): Removed.
19538 (number_of_iterations_exit): Do not use number_of_iterations_special.
19539 * tree.c (unsigned_type_for): Always return integer type.
19541 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19542 Richard Guenther <rguenther@suse.de>
19544 PR rtl-optimization/24257
19545 * gcse.c (find_moveable_store): Only consider a store movable
19546 when the SET_SRC of the insn can be assigned to a register.
19548 2006-01-14 Ian Lance Taylor <ian@airs.com>
19550 * tree.c (tree_not_class_check_failed): New function.
19551 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19552 (tree_not_class_check_failed): Declare.
19554 2006-01-13 Ian Lance Taylor <ian@airs.com>
19556 * reload1.c (do_output_reload): Add assertion rejecting a
19559 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19561 * combine.c (struct reg_stat): Add new fields truncation_label and
19563 (record_value_for_reg): Reset truncated_to_mode.
19564 (record_truncated_value): New function.
19565 (check_promoted_subreg): Call it. Rename to check_conversions.
19566 (combine_instructions): Rename check_promoted_subreg to
19568 (reg_truncated_to_mode): New function.
19569 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19570 (gen_lowpart_or_truncate): New function.
19571 (force_to_mode): Use it instead of gen_lowpart.
19573 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19575 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19576 VAR is a tag, not its type tag.
19578 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19580 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19581 alternatives to match style of other entries.
19582 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19584 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19586 PR tree-optimization/25771
19587 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19590 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19593 * tree-inline.c (declare_return_variable): If the return variable
19594 was marked as a non gimple complex, set the return slot variable
19595 to be a non gimple comple variable.
19597 2006-01-13 Richard Guenther <rguenther@suse.de>
19599 * builtins.c (expand_builtin_sincos): New function.
19600 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19602 (expand_builtin): Expand sincos using expand_builtin_sincos.
19604 2006-01-12 DJ Delorie <dj@redhat.com>
19606 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19607 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19608 so that constant shifts can be split.
19609 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19610 (m32c_valid_pointer_mode): Make static.
19611 (shift_gen_func_for): New.
19612 (m32c_prepare_shift): Use it. Split large const shifts into
19614 * config/m32c/predicates.md (shiftcount_operand): Allow more
19616 (longshiftcount_operand): New.
19617 * doc/md.texi (Machine Constraints): Document In6.
19619 2006-01-13 Ben Elliston <bje@au.ibm.com>
19621 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19622 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19625 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19627 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19628 to try to avoid clobbering pieces of structures when we know
19629 something about the whole structure.
19630 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19632 2006-01-13 Ben Elliston <bje@au.ibm.com>
19634 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19635 return in memory, as this is no limitation is no longer present.
19637 2006-01-12 DJ Delorie <dj@redhat.com>
19639 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19640 mova with fb, and for fb+0 -> An.
19642 * config/m32c/mov.md (peephole2): Fix enabling logic.
19644 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19645 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19646 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19647 FINI_ARRAY_SECTION_ASM_OP): Define.
19649 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19651 (m32c_legitimize_reload_address): New logic to reload FB to An.
19652 (m32c_output_reg_push): Add newline.
19653 (m32c_output_reg_pop): Likewise.
19655 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19657 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19659 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19661 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19663 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19665 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19668 2006-01-11 Ben Elliston <bje@au.ibm.com>
19670 * rtlanal.c (find_reg_note): Assert insn is not null.
19672 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19674 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19677 2006-01-11 Jeff Law <law@redhat.com>
19679 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19681 (mark_threaded_blocks, register_jump_thread): New functions.
19682 (thread_through_all_blocks): Remove unwanted argument. No
19683 longer rely on e->aux to communicate thread target info.
19684 Call mark_threaded_blocks. Release the threaded_blocks
19685 bitmap and threaded_edges vector when complete.
19686 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19687 (threaded_blocks): Remove.
19688 (tree_ssa_dominator_optimize): Remove initialization and
19689 finalization of threaded_blocks. Simplify call to
19690 thread_through_all_blocks.
19691 (thread_across_edge): Call register_jump_thread rather than
19692 storing thread information into e->aux.
19693 (free_all_edge_infos): Simplify now that e->aux is no longer
19694 used to communicate with thread_through_all_blocks.
19695 * tree-flow.h (thread_through_all_blocks): Update prototype.
19696 (register_jump_thread): Prototype.
19698 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19700 * df-core.c (df_compact_blocks, df_bb_replace): Use
19701 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19703 2006-01-11 Richard Guenther <rguenther@suse.de>
19705 PR tree-optimization/25734
19706 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19707 stop propagation after successful propagation to the LHS.
19709 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19711 * basic-block.h (control_flow_graph): Change the type of
19712 x_basic_block_info to VEC(basic_block,gc) *.
19713 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19715 (SET_BASIC_BLOCK): New.
19716 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19717 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19718 * cfgbuild.c (find_basic_blocks): Likewise.
19719 * cfglayout.c (fixup_reorder_chain): Likewise.
19720 * cfgrtl.c (create_basic_block_structure,
19721 rtl_create_basic_block): Likewise.
19722 * ifcvt.c (find_if_case_1): Likewise.
19723 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19726 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19728 * Makefile.in: Removed rotted odf.c entry.
19730 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19733 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19734 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19735 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19736 output pattern modifier, not %e.
19737 * config/cris/cris.c (cris_op_str): Update comment about pattern
19739 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19740 before falling through into...
19741 <case 'E'>: Redefined from old 'e' case.
19743 2006-01-11 Jan Hubicka <jh@suse.cz>
19746 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19748 2006-01-11 Jan Hubicka <jh@suse.cz>
19750 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19751 * i386.c (x86_decompose_lea): Kill.
19752 (ix86_rtx_costs): Kill.
19754 2006-01-11 Jan Hubicka <jh@suse.cz>
19756 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19757 * cgraph.h (cgraph_node): Add inline_decl.
19758 (cgraph_insert_node_to_hashtable): Declare.
19759 (save_inline_function_body): Declare.
19760 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19762 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19763 (cgraph_function_versioning): Update call of tree_function_versioning.
19764 (save_inline_function_body): New function.
19765 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19766 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19767 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19768 (cgraph_default_inline_p): Likewise.
19769 (cgraph_decide_inlining_incrementally): Likewise.
19770 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19771 (copy_bb): Kill saving; do updating of clones.
19772 (copy_cfg_body): Kill saving.
19773 (initialize_inlined-parameters): Likewise.
19774 (expand_call_inline): Likewise.
19776 (tree_function_versioning): New parameter "update_clones".
19777 (inlining_p): Kill saving.
19778 * tree-inline.h (tree_function_versioning): Update prototype.
19779 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19782 2006-01-11 Ian Lance Taylor <ian@airs.com>
19784 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19785 Allow undoing set of machine mode.
19786 (do_SUBST): Use enums instead of is_int.
19787 (do_SUBST_MODE): New function.
19788 (SUBST_MODE): New macro.
19789 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19790 reg and trying to replace reg_regno_rtx with a new register.
19791 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19792 (simplify_set): Use SUBST_MODE.
19793 (distribute_notes): Remove code that tried to update reg notes
19794 for regno_reg_rtx changes.
19796 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19798 PR tree-optimization/23109
19799 PR tree-optimization/23948
19800 PR tree-optimization/24123
19802 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19803 * tree-cfg.c (single_noncomplex_succ): New.
19804 * tree-flow.h (single_noncomplex_succ): Declare it.
19805 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19806 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19807 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19808 insert_bb, register_division_in, insert_reciprocals,
19809 replace_reciprocal, free_bb): New.
19810 (execute_cse_reciprocals_1): Rewritten.
19811 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19812 Do not commit any edge insertion. Always compute dominators and
19813 create the allocation pool.
19814 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19815 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19816 * targhooks.c (default_min_divistions_for_recip_mul): New.
19817 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19818 * passes.c (init_optimization_passes): Run recip after tree loop
19820 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19822 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19823 Kenneth Zadeck <zadeck@naturalbridge.com>
19825 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19826 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19827 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19828 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19829 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19830 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19831 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19832 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19833 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19834 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19835 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19836 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19837 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19838 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19839 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19840 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19841 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19842 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19843 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19844 DF_SCAN_POST_ALLOC): New macros.
19845 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19846 df_free_bb_function, df_local_compute_function, df_init_function,
19847 df_dataflow_function, df_confluence_function_0,
19848 df_confluence_function_n, df_transfer_function,
19849 df_finalizer_function, df_free_function, df_dump_problem_function,
19850 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19851 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19852 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19853 df_urec_bb_info, ) New types.
19854 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19856 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19857 df_analyze_simple_change_some_blocks,
19858 df_analyze_simple_change_one_block, df_compact_blocks,
19859 df_bb_replace, df_bb_regno_last_use_find,
19860 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19861 df_insn_regno_def_p, df_find_def, df_find_use,
19862 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19863 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19864 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19865 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19866 debug_df_chain, df_get_dependent_problem, df_chain_create,
19867 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19868 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19869 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19870 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19871 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19872 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19873 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19874 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19875 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19876 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19877 df_reorganize_refs, df_set_state, df_hard_reg_init,
19878 df_read_modify_subreg_p) New public functions.
19879 * df-core.c: The core dataflow solver and glue routines for rtl
19881 (df_init, df_add_problem, df_set_blocks, df_finish,
19882 df_hybrid_search_forward, df_hybrid_search_backward,
19883 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19884 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19885 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19886 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19887 df_reg_defined, df_find_use, df_reg_used, df_dump,
19888 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19889 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19890 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19891 debug_df_useno, reset_df_after_reload): New functions.
19892 * df-scan.c: The scanning fuctions, once in df.c, completely
19893 rewritten so that they now fully model the functionality of
19894 register usage at the backend.
19895 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19896 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19897 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19898 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19899 df_get_artificial_defs, df_get_artificial_uses,
19900 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19901 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19902 df_refs_delete, df_reorganize_refs, df_set_state,
19903 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19904 df_def_record_1, df_defs_record, df_uses_record,
19905 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19906 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19907 df_record_exit_block_uses, df_hard_reg_init): New functions.
19909 * df-problems.c: Seven concrete dataflow problems that use the
19910 scanning in df-scan.c and are solved by the engine in df-core.c.
19911 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19912 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19913 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19914 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19915 df_ru_free_bb_info, df_ru_alloc,
19916 df_ru_bb_local_compute_process_def,
19917 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19918 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19919 df_ru_transfer_function, df_ru_free, df_ru_dump,
19920 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19921 df_rd_free_bb_info, df_rd_alloc,
19922 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19923 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19924 df_rd_transfer_function, df_rd_free, df_rd_dump,
19925 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19926 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19927 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19928 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19929 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19930 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19931 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19932 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19933 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19934 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19935 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19936 df_urec_mark_reg_use_for_earlyclobber,
19937 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19938 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19939 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19940 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19941 df_chain_create_bb_process_use, df_chain_create_bb,
19942 df_chain_finalize, df_chain_free, df_chains_dump,
19943 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19944 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19945 df_reg_lifetime): New functions.
19946 * df.c: Deleted file.
19947 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19948 consistent with new df api.
19949 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19950 rest_of_handle_sms): Ditto.
19951 * web.c (unionfind_union, union_defs, entry_register, web_main):
19953 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19954 invariant_expr_equal_p, find_defs, check_dependencies,
19955 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19956 free_inv_motion_data, move_loop_invariants): Ditto.
19957 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19958 Update dependencies.
19959 (odf.c): Added defective entry that was deleted later in day.
19960 * sched-deps.c (sched_analyze_1): Ditto.
19962 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19964 * tree-ssa-operands.c (get_expr_operands): Record addressable
19965 variables directly. Do not call add_stmt_operands for CONST_DECLs
19967 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19968 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19970 2006-01-11 Ben Elliston <bje@au.ibm.com>
19972 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19973 function returns true in the positive case.
19975 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19978 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19979 for SI, DI, SF and DF modes. Add alternatives to copy between
19980 general and floating point registers to the 32-bit patterns.
19981 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19982 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19983 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19984 generating 64-bit code.
19985 * config/pa/pa.c (output_move_double): Handle copies between general
19986 and floating registers.
19988 2006-01-10 Stuart Hastings <stuart@apple.com>
19990 * config/i386/i386.md (set_got): Update.
19991 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19992 (builtin_setjmp_receiver): Mach-O support.
19993 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19994 (GOT_SYMBOL_NAME): Define.
19995 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19996 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19997 * config/i386/i386.c (override_options): Revise for Darwin.
19998 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19999 support. (darwin_x86_file_end): New. (output_set_got): Add label
20000 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
20001 * config/i386/i386-protos.h (output_set_got): Likewise.
20002 * config/darwin.c (machopic_legitimize_pic_address): Update
20005 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
20007 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
20008 when MODE isn't BLKmode.
20010 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
20012 PR rtl-optimization/25367
20013 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
20015 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
20018 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
20019 for a negative bound.
20021 2006-01-10 Richard Guenther <rguenther@suse.de>
20023 * tree-ssa-structalias.c (get_constraint_for_component_ref):
20024 Never override with anything constraint.
20026 2006-01-10 Jan Beulich <jbeulich@novell.com>
20028 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
20029 256 bits when optimize_size.
20031 2006-01-10 Jan Beulich <jbeulich@novell.com>
20033 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
20035 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
20036 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
20039 2006-01-10 Ben Elliston <bje@au.ibm.com>
20041 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
20043 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
20044 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
20045 (USE_FP_FOR_ARG): Reject decimal float modes.
20046 (function_arg_advance): Likewise.
20047 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
20048 (rs6000_handle_altivec_attribute): Do not permit decimal floating
20049 point types in AltiVec vectors.
20050 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
20051 (rs6000_libcall_value): Likewise.
20053 2006-01-09 Bob Wilson <bob.wilson@acm.org>
20055 * config/xtensa/ieee754-df.S: New file.
20056 * config/xtensa/ieee754-sf.S: New file.
20057 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
20058 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
20059 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
20061 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
20063 * config/sh/predicates.md (binary_float_operator,
20064 binary_logical_operator, commutative_float_operator,
20065 equality_comparison_operator, greater_comparison_operator,
20066 less_comparison_operator, logical_operator,
20067 noncommutative_float_operator, shift_operator,
20068 symbol_ref_operand, unary_float_operator): Remove redundant
20071 2006-01-09 Jeff Law <law@redhat.com>
20073 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
20074 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
20075 now unused arguments. Callers updated.
20076 (eliminate_redundant_computations): Remove now unused arguments,
20078 (local_fold): Remove, no longer used.
20079 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
20081 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
20082 (simplify_cond): New function.
20083 (forward_propagate_into_cond): Call simplify_cond.
20085 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
20087 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
20088 (*vec_extractv2di_1_sse): New.
20090 2006-01-09 Ben Elliston <bje@au.ibm.com>
20092 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
20094 2006-01-08 Richard Guenther <rguenther@suse.de>
20096 * tree-ssa-structalias.c (get_constraint_for): Remove
20097 anyoffset argument.
20098 (get_constraint_for_component_ref): Likewise.
20099 (do_deref): Likewise.
20100 (get_constraint_for): Likewise.
20101 (do_structure_copy): Likewise.
20102 (handle_ptr_arith): Likewise.
20103 (find_func_aliases): Likewise. Remove unused need_anyoffset
20106 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
20107 Kaz Kojima <kkojima@gcc.gnu.org>
20109 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
20110 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
20111 (EXTRA_CONSTRAINT_C16): Remove.
20112 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
20113 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
20114 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
20115 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
20116 constants of SHmedia. Handle nested constant expressions of
20118 (andcosts): Fix the costs for SHmedia constants.
20119 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
20120 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
20121 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
20122 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
20123 (movv4hi_i, movv2si_i): Likewise.
20124 (movsi_const): Adjust the second operand of ior so to match with
20125 the Csu constraint.
20126 (movdi_const, movdi_const_32bit): Likewise.
20127 (movdi_const_16bit+1): Don't sign-extend LOW.
20128 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
20130 (*double_shori): Fix the split condition. Use GEN_INT instead
20131 of get_int_mode calls. Mask lower 16-bit of the argument of
20133 (sym2GOTPLT): Remove.
20134 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
20136 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
20137 instead of EXTRA_CONSTRAINT_C16.
20139 2006-01-07 Ian Lance Taylor <ian@airs.com>
20140 David Edelsohn <edelsohn@gnu.org>
20142 PR rtl-optimization/25662
20143 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
20144 for constant operands instead of simplify_gen_binary.
20145 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
20146 after trying simplify_binary_operation
20148 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
20150 * tree.c (iterative_hash_expr): Hash decls based on UID.
20152 2006-01-06 Eric Christopher <echristo@apple.com>
20154 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
20155 (TARGET_UNWIND_EMIT): Fix spelling.
20156 * target.h (gcc_target): Add except_table_label.
20157 * except.c (output_function_exception_table): Use.
20158 * varasm.c (default_emit_except_table_label): New.
20159 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
20161 (asm_out): Add here.
20162 * output.h (default_emit_except_table_label): Prototype.
20163 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
20164 * config/darwin.c (darwin_emit_except_table_label): Define.
20165 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
20167 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
20169 PR tree-optimization/18527
20170 * tree-ssa-loop-niter.c (number_of_iterations_cond,
20171 number_of_iterations_special, number_of_iterations_exit):
20172 Move base and step of an iv to a single structure. Add
20173 no_overflow flag, and use it in # of iterations analysis.
20174 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
20175 folded_casts argument.
20176 (simple_iv): Pass base and step in a structure. Set no_overflow
20178 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
20179 Evaluate expensiveness of computing # of iterations instead of
20180 the final expression.
20181 * tree-scalar-evolution.h (affine_iv): New structure.
20182 (simple_iv): Declaration changed.
20183 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
20184 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
20185 find_givs_in_stmt): Changed due to simple_iv change.
20187 2006-01-06 Jeff Law <law@redhat.com>
20190 * tree-cfg.c (bsi_replace): Rename final argument from
20191 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
20192 change (stmt -> orig_stmt).
20193 * tree-eh.c (verify_eh_throw_stmt_node): New function.
20194 (bsi_remove): Add new argument. Remove EH information
20196 (verify_eh_throw_table_statements): New function.
20197 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
20199 * tree-optimize.c (execute_free_cfg_annotations): Verify
20200 the EH throw statement table after removing annotations.
20201 * except.h (verify_eh_throw_table_statements): Prototype.
20202 * tree-flow.h (bsi_remove): Update prototype.
20203 * tree-vrp.c (remove_range_assertions): Add new argument to
20205 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
20206 * tree-complex.c (expand_complex_div_wide): Likewise.
20207 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
20208 * tree-tailcall.c (eliminate_tailcall): Likewise.
20209 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
20210 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
20211 * tree-nrv.c (tree_nrv): Likewise.
20212 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
20213 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
20214 (combine_blocks): Likewise.
20215 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
20216 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
20217 (cleanup_control_flow): Likewise.
20218 (remove_forwarder_block): Likewise.
20219 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
20220 * tree-sra.c (sra_replace): Likewise.
20221 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
20222 (forward_propagate_single_use_vars): Likewise.
20223 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
20224 * tree-inline.c (expand_call_inline): Likewise.
20225 * tree-vect-transform.c (vect_transform_loop): Likewise.
20226 * tree-outof-ssa.c (rewrite_trees): Likewise.
20227 * tree-cfg.c (make_goto_expr_edges): Likewise.
20228 (cleanup_dead_labels): Likewise.
20229 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
20230 (bsi_move_before, bsi_move_after): Likewise.
20231 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
20232 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
20234 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
20237 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
20239 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
20240 on non gimple variables. Also add checks at the top for decls and
20242 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
20244 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
20245 and IMAGPART_EXPR for creating MUST_DEFs.
20246 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
20247 and NAME_MEMORY_TAG separately from the DECLs.
20249 2006-01-06 Richard Guenther <rguenther@suse.de>
20251 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
20252 annotation, if necessary.
20253 * tree-ssa-pre.c (create_expression_by_pieces): Remove
20254 redundant calls to update_stmt.
20255 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
20258 2006-01-05 Richard Henderson <rth@redhat.com>
20260 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
20262 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20264 * c-typeck.c: Update copyright date.
20266 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20268 * c-typeck.c (build_c_cast): Always warn when casting
20269 from a pointer to an integer of different size, even if
20270 the node was constant.
20272 2006-01-05 Richard Guenther <rguenther@suse.de>
20274 PR tree-optimization/22555
20275 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
20276 if one structure field is an array.
20277 * tree-ssa-operands.c (get_expr_operands): Continue scanning
20278 operands even if we found a subvar, but ignore VOPs in this
20280 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
20282 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
20284 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
20286 PR middle-end/24998
20287 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
20289 2006-01-05 Richard Guenther <rguenther@suse.de>
20290 Diego Novillo <dnovillo@redhat.com>
20292 * tree-pass.h (TODO_remove_unused_locals): Define.
20293 * gimple-low.c (expand_var_p, remove_useless_vars,
20294 pass_remove_useless_vars): Remove. Update all users.
20295 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
20296 (remove_unused_locals): New function.
20297 * tree-flow.h (remove_unused_locals): Declare.
20298 * passes.c (execute_todo): Call remove_unused_locals if
20299 TODO_remove_unused_locals is set.
20300 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
20301 * tree-ssa-dce.c (pass_dce): Likewise.
20302 * tree-outof-ssa.c (pass_del_ssa): Likewise.
20304 2006-01-05 Richard Guenther <rguenther@suse.de>
20306 * tree-flow.h (struct fieldoff): Decompose field to
20307 type, size and decl.
20308 * tree-ssa-alias.c (create_sft): Take type as parameter.
20309 (create_overlap_variables_for): Store type, size and decl
20310 in the fieldoff structure.
20311 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
20312 of struct fieldoff.
20313 (push_fields_onto_fieldstack): Likewise.
20314 (create_variable_info_for): Likewise. Use offset for the
20315 SFT name if the decl is not available.
20317 2006-01-04 Paul Brook <paul@codesourcery.com>
20319 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
20321 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
20323 * lambda-code.c (can_put_in_inner_loop): Relax
20325 (can_put_after_inner_loop): New function.
20326 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
20327 (perfect_nestify): Change to make copies and modify uses.
20329 2006-01-04 Richard Henderson <rth@redhat.com>
20331 Merge from gomp branch:
20332 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
20333 via integer constant.
20334 (pragma_lex): Remove.
20335 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
20336 rather than parsing it.
20337 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
20338 handle_pragma_extern_prefix): Add %< %> quotes.
20339 (registered_pragmas): New.
20340 (c_register_pragma_1): New.
20341 (c_register_pragma): Use it.
20342 (c_register_pragma_with_expansion): Likewise.
20343 (c_invoke_pragma_handler): New.
20344 (init_pragma): Use cpp_register_deferred_pragma directly for
20346 * c-pragma.h (enum pragma_kind): New.
20347 (pragma_handler): New.
20348 (c_invoke_pragma_handler): Declare.
20349 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
20351 * c-common.h (c_common_pch_pragma): Update decl.
20352 * Makefile.in (c-parser.o): Update dependencies.
20353 (GTFILES): Add c-pragma.h.
20354 * c-parser.c (struct c_token): Add pragma_kind.
20355 (struct c_parser): Add in_pragma.
20356 (c_lex_one_token): Always initialize keyword and pragma_kind.
20357 Extract data for CPP_PRAGMA.
20358 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
20359 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
20360 Don't allow CPP_PRAGMA_EOL if in_pragma.
20361 (c_parser_consume_pragma): New.
20362 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
20363 (c_parser_skip_to_end_of_parameter): Likewise.
20364 (c_parser_skip_to_end_of_block_or_statement): Likewise.
20365 (c_parser_skip_to_pragma_eol): New.
20366 (c_parser_external_declaration): Handle CPP_PRAGMA.
20367 (c_parser_compound_statement_nostart): Likewise.
20368 (c_parser_statement_after_labels): Likewise.
20369 (c_parser_pragma): New.
20370 (pragma_lex): Likewise.
20371 (c_parser_pragma_pch_preprocess): New.
20372 (c_parser_new): Merge into ...
20373 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
20375 2006-01-04 Jeff Law <law@redhat.com>
20378 * tree-cfg.c (bsi_replace): Remove the original statement
20379 from the EH throw statement table.
20381 2006-01-04 Jakub Jelinek <jakub@redhat.com>
20383 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
20384 make the prototype extern "C" and add throw ().
20387 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
20388 and pos non-negative and pos + len <= 32.
20389 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
20390 drop pos + len < HOST_BITS_PER_WIDE_INT test.
20391 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
20394 * c-common.c (handle_vector_size_attribute): Reject zero vector size
20395 as well as sizes not multiple of component size.
20398 * function.c (instantiate_expr): New function.
20399 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
20400 walk its DECL_VALUE_EXPR with instantiate_expr.
20402 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
20403 DW_OP_deref{,_size} if address isn't going to be added.
20405 2006-01-04 Ben Elliston <bje@au.ibm.com>
20407 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
20408 * config/fp-bit.c: Likewise.
20410 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
20412 * dominance.c: Add comment about why we use DFS numbering
20415 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20416 Richard Henderson <rth@redhat.com>
20418 Merge from gomp-branch:
20419 * varasm.c (assemble_variable): Handle thread-local COMMON data.
20420 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
20422 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
20424 PR rtl-optimization/25578
20425 * combine.c (combine_simplify_rtx, force_to_mode): Don't
20426 pass a parameter to simplify_shift_const if changing ASHIFTRT
20429 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
20431 * builtins.c (get_builtin_sync_mem): New function.
20432 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
20433 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
20434 Call get_builtin_sync_mem to generate mem rtx.
20436 2006-01-03 Richard Guenther <rguenther@suse.de>
20439 * stmt.c (add_case_node): Make sure to clear overflow flags
20442 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20444 Merge from gomp-branch.
20445 * config/sparc/sync.md: New file.
20446 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
20447 UNSPECV_LDSTUB): New constants.
20448 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
20449 * config/sparc/predicates.md (memory_reg_operand): New predicate.
20450 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
20453 2006-01-03 Roger Sayle <roger@eyesopen.com>
20455 * combine.c (reg_subword_p): New predicate to test whether the
20456 destination of a set refers to a subword/piece of a register.
20457 (try_combine): Generalize the code to merge the setting of a
20458 pseudo to a constant followed by a set of a subword of that
20459 register to a constant.
20461 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20463 * basic-block.h (control_flow_graph): Change the type of
20464 x_label_to_block_map to VEC(basic_block,gc) *.
20465 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20466 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20468 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20469 VEC(basic_block,heap) *.
20470 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20471 ssa_prop_fini): Adjust the uses of cfg_blocks.
20473 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20475 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20477 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20478 hashing trees instead of a pointer hash.
20479 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20480 compare for MEM_EXPR.
20482 PR rtl-optimization/25130
20483 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20484 when comparing MEMs for GCSE
20486 2006-01-03 Ben Elliston <bje@au.ibm.com>
20488 * targhooks.h (default_decimal_float_supported_p): Declare.
20489 * targhooks.c (default_decimal_float_supported_p): Define.
20490 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20491 `default_decimal_float_supported_p'.
20492 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20494 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20496 * combine.c (apply_distributive_law <SUBREG>): Check
20497 TRULY_NOOP_TRUNCATION.
20499 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20501 * dwarf2out.c (have_switched_text_section): Delete.
20502 (have_multiple_function_sections): New.
20503 (have_location_lists): Make 'bool'.
20504 (add_AT_loc_list): Use 'true' not '1'.
20505 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20506 (output_loc_list): Use have_multiple_function_sections.
20507 (output_ranges): Likewise.
20508 (dwarf2out_begin_function): Set have_multiple_function_sections if
20510 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20511 Check function_section rather than DECL_SECTION_NAME.
20512 (dwarf2out_finish): Use have_multiple_function_sections.
20513 Don't clear have_location_lists.
20515 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20516 Jan Hubicka <jh@suse.cz>
20518 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20519 case of conditional jump jumping to the next instruction.
20520 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20521 cases of conditional jump jumping to the next instruction.
20523 2006-01-02 Jan Hubicka <jh@suse.cz>
20525 * i386.c (*_cost): Add COSTS_N_INSNS.
20526 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20528 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20531 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20533 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20535 * config/arm/arm.c (all_fpus): Fix comment typo.
20536 * config/darwin.c: Likewise.
20537 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20538 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20539 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20541 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20543 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20544 (rs6000_split_compare_and_swapqhi): New.
20545 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20546 (sync_compare_and_swapqhi_internal): New.
20547 * config/rs6000/rs6000-protos.h: Declare.