1 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
3 * config.host: Remove extra blank line.
5 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
7 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
8 target is also an x86 variant.
10 2006-12-05 Richard Guenther <rguenther@suse.de>
12 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
13 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
14 (ix86_builtin_vectorized_function): New function to vectorize
17 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
19 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
20 ia64_override_options.
22 2006-12-04 Jan Hubicka <jh@suse.cz>
24 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
27 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
29 * rtlanal.c (note_uses): Deal with SEQUENCEs.
30 * config/bfin/bfin.c: Include "timevar.h".
31 (bfin_flag_schedule_insns2, splitting_for_sched,
32 bfin_flag_var_tracking): New variables.
33 (print_operand): Handle '%!'.
34 (override_options): Disable normal sched2 pass, instead set
35 bfin_flag_schedule_insns2 for reorg to handle it.
36 (output_file_start): Likewise for var-tracking.
37 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
38 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
40 (bfin_reorg): Do second scheduling pass here, and call
41 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
42 of examining insns directly. If bfin_flag_var_tracking, call
43 var-tracking pass when done with everything else.
44 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
45 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
46 (movsi_insn32): New pattern, with two new splits to create it
47 before the final scheduling pass.
48 (neghi2): Not a dsp32 insn, rather alu0.
49 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
50 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
51 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
52 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
53 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
54 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
55 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
56 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
57 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
58 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
59 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
60 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
61 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
62 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
63 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
64 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
65 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
66 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
67 variants instead of ';'.
68 (ror_one, rol_one): Likewise. Make them dsp32 insns.
69 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
70 (align8, align16, align24): Now named patterns; also using '%!'.
73 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
75 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
76 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
78 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
80 * config/spu/spu-protos.c (spu_split_address): Add.
81 * config/spu/spu.c (spu_split_address): Add.
82 (print_operand): Handle HIGH.
83 (spu_legitimate_address): Don't test for aligned CONST.
84 (spu_expand_mov): Don't split addresses here.
85 * config/spu/constraints.md (A): Don't test legitimate_const.
86 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
87 (ceq_di): Use correct predicates.
89 2006-12-04 Eric Christopher <echristo@apple.com>
91 * config/darwin.h: Update copyright notice.
92 * config/i386/darwin.h: Ditto.
94 2006-12-04 Jan Hubicka <jh@suse.cz>
96 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
97 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
99 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
101 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
103 * tree-ssa-structalias.c (set_used_smts): Export.
104 (find_what_p_points_to): Don't call set_used_smts here.
105 * tree-ssa-structalias.h (set_used_smts): Add prototype.
107 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
109 * tree-ssa-alias.c (compute_may_aliases):
110 Compute flow sensitive before flow insensitive.
111 (compute_flow_sensitive_aliasing): Don't try to add
112 a symbol memory tag to itself.
114 * alias.h (alias_set_subset_of): New prototype.
116 * alias.c (alias_set_subset_of): New function.
118 * tree-ssa-structalias.c: Update comments.
119 (struct variable_info): Add finished_solution.
120 (new_varinfo): Set finished solution to NULL.
121 (var_escaped_vars): Remove.
122 (escaped_vars_tree): Remove.
123 (escaped_vars_id): Remove.
124 (nonlocal_vars_id): Remove.
125 (constraint_expr_type): Add INCLUDES.
126 (graph_size): Removed.
127 (dump_constraint): Support INCLUDES.
128 (build_constraint_graph): Ditto.
129 (collapse_nodes): Add merge_solutions argument.
130 Don't merge attributes.
131 (process_unification_queue): Just use collapse_nodes.
132 (perform_var_substitution): Update call to collapse_nodes.
133 (get_constraint_exp_from_ssa_var): Use INCLUDES.
134 (process_constraint): Fix non-field sensitive handling
136 (get_constraint_for): Use INCLUDES.
137 (make_constraint_from_anything): Renamed from
138 make_constraint_from_escaped.
139 (make_constraint_to_escaped): Removed.
140 (find_global_initializers): Removed.
141 (create_variable_info_for): Do not make constraints to escaped
143 (dump_solution_for_var): Don't print out the equivalent points-to
144 sets, just use the name of the variable it shares it with.
145 (intra_create_variable_infos): Use INCLUDES.
146 Change nonlocal variable sets to anything sets.
147 (init_base_vars): Remove escaped_vars and nonlocal_var
149 (find_escape_constraints): Removed.
150 (delete_points_to_sets): Remove dead code.
151 (used_smt_calculated): New variable.
152 (set_used_smts): New function.
153 (merge_smts_into): New function.
154 (find_what_p_points_to): Modify to use SMTs.
155 (create_nonlocal_var): Remove.
157 * tree-ssa-operands.c (access_can_touch_variable): Remove
158 reference to nonlocal_all.
160 * tree-ssa.c (verify_name_tags): Remove.
162 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
164 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
165 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
167 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
169 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
170 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
171 (add_livein_if_notdef): Delete.
172 (loe_visit_block): New. Propogate live on entry info for a block into
173 each predecessor. If it changes, make sure it is visited again.
174 (live_worklist): Visit every block and update the live on entry info
175 for preds. Iterate over any that changed.
176 (set_var_live_on_entry): Populate the live on entry blocks with bits
177 based on the immediate uses of a var.
178 (calculate_live_on_entry): Remove.
179 (calculate_live_on_exit): Calculate live on exit based on the newly
180 oriented live on entry bits.
181 (calculate_live_ranges): Build live on entry and exit vectors.
182 (dump_live_info): Use new orientation of live on entry bitmaps.
183 (verify_live_on_entry): New. Split out verification code from old
184 calculate_live_on_entry routine.
185 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
186 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
187 basic_block instead of for a partition.
188 (live_merge_and_clear): Add asserts.
189 (make_live_on_entry): Set partition bit in basic block vector.
191 2006-12-04 Jakub Jelinek <jakub@redhat.com>
194 * omp-low.c (expand_omp_for_static_nochunk,
195 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
199 * omp-low.c (determine_parallel_type): Don't try to optimize combined
200 parallels if region->exit or region->inner->exit is NULL.
201 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
203 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
204 (expand_omp_for): Use expand_omp_for_generic if either region->cond
205 or region->exit is NULL.
206 (expand_omp_sections): Handle NULL region->cond or region->exit.
209 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
211 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
212 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
214 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
216 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
217 TYPE_MAX_VALUE for scalar types here but...
218 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
219 is attached an error mark, and the return value of the callback
220 if it is not NULL_TREE.
222 2006-12-04 Ben Elliston <bje@au.ibm.com>
224 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
226 2006-12-03 Eric Christopher <echristo@apple.com>
229 * config/t-slibgcc-darwin: Pass -install_name.
230 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
231 libtool. Only pass through options that the linker recognizes.
232 (LINK_SPEC): Update comment. Translate options.
233 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
234 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
236 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
238 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
240 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
243 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
244 operands[1] in insn constraint. Correct type attribute to sselog1.
246 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
249 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
251 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
254 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
255 -march=native if there is no -mtune=*.
257 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
260 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
262 * doc/install.texi: Update recommended MPFR version. Remove
263 obsolete reference to cumulative patch.
265 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
268 * c-decl.c (store_parm_decls_oldstyle): Robustify.
270 2006-11-30 Jan Hubicka <jh@suse.cz>
271 Uros Bizjak <ubizjak@gmail.com>
273 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
274 32bit memcpy/memset decriptors.
275 (decide_alg): With -minline-all-stringops and sizes that are best
276 to be copied via libcall still work hard enough to pick non-libcall
279 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
281 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
283 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
284 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
285 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
286 config/sh/sh4-300.md, config/spu/spu-builtins.def,
287 config/spu/spu-c.c, config/spu/spu-modes.def,
288 config/spu/spu.c, config/spu/spu.md,
289 config/spu/spu_internals.h, config/spu/vmx2spu.h,
290 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
291 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
292 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
293 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
294 spelling conventions.
296 * config/i386/i386.c: Fix a comment typo.
298 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
300 * config/spu/spu.c (spu_immediate): Remove trailing comma.
301 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
302 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
304 (floatv4siv4sf2): New.
305 (fix_truncv4sfv4si2): New.
306 (floatunsv4siv4sf2): New.
307 (fixuns_truncv4sfv4si2): New.
315 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
316 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
317 spu_resolve_overloaded_builtin instead of static inline functions.
319 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
321 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
322 type instead of the size of its mode to compute the highest and
323 lowest possible values. Still check the size of the mode before
324 flipping the signedness of the comparison.
326 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
328 * config/spu/predicates.md (spu_mov_operand): Add.
329 * config/spu/spu.c (spu_expand_extv): Remove unused code.
330 (print_operand_address, print_operand): Handle addresses containing AND.
331 (spu_split_load, spu_split_store): Use updated movti pattern.
332 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
333 stores in mov patterns for correct operation of reload.
334 (lq, lq_<mode>, stq, stq_<mode>): Remove.
336 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
339 * c-common.c (check_main_parameter_types): Check for error_mark_node.
341 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
343 * common.opt (ftree-combine-temps): Remove.
344 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
345 (coalesce_ssa_name): Don't check for combine-temps.
346 (coalesce_vars): Remove.
347 (check_replaceable): Use num_imm_uses.
348 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
349 check for combine-temps.
350 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
351 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
352 to register_ssa_partition calls.
353 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
354 (init_var_map, delete_var_map): remove refernces to ref_count.
355 (create_ssa_var_map): Never calculate a ref count.
356 (type_var_init): Remove.
357 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
358 (SSA_VAR_MAP_REF_COUNT): Delete.
359 (create_ssa_var_map): Change Prototype to have no parameters.
360 (version_ref_count): Delete.
361 (register_ssa_partition): Remove 'is_use' paramater and don't set the
363 (type_var_num, type_var, type_var_first_partition,
364 type_var_next_partition, type_var_dump, type_var_delete,
365 type_var_remove_partition, type_var_find, type_var_compact,
366 type_var_decompact): Remove.
368 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
370 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
373 2006-12-01 Richard Guenther <rguenther@suse.de>
376 * dwarf2out.c (struct pubname_struct): Make name const.
377 (add_pubtype): Do not xstrdup identifiers.
379 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
381 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
382 multiword accesses are in range.
384 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
386 PR tree-optimization/29921
387 * tree-ssa-ccp.c (canonicalize_float_value): New function.
388 (set_lattice_value): Use canonicalize_float_value.
390 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
392 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
393 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
394 (spu_cpu_cpp_builtins): Remove.
395 (spu_override_options): Don't set warn_main.
396 (spu_force_reg): Move from spu-c.c.
397 (spu_check_builtin_parm): Likewise.
398 (expand_builtin_args): Likewise.
399 (spu_expand_builtin_1): Likewise.
400 (spu_expand_builtin): Likewise.
401 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
402 warn_main and targetm.resolve_overloaded_builtin.
403 * config/spu/spu-c.c (spu_builtin_range): Remove.
404 (spu_check_builtin_parm): Remove.
405 (expand_builtin_args): Remove.
406 (spu_expand_builtin_1): Remove.
407 (spu_expand_builtin): Remove.
408 (spu_cpu_cpp_builtins): Moved from spu.c
409 (spu_force_reg): Remove.
411 2006-12-01 Joseph Myers <joseph@codesourcery.com>
412 David Edelsohn <edelsohn@gnu.org>
415 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
416 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
417 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
418 HARD_REGNO_NREGS_WITH_PADDING): Define.
419 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
420 HARD_REGNO_NREGS_WITH_PADDING): Define.
421 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
422 Use new macros to detect modes with holes; do not look at integer
424 (subreg_offset_representable_p): Check for and disallow cases
425 where the modes use different numbers of bits from registers.
426 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
427 constant for soft-float.
428 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
430 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
432 * config/rs6000/rs6000.md (movtf): Allow soft-float.
433 (movtf_softfloat): New.
435 2006-11-30 Richard Sandiford <richard@codesourcery.com>
437 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
440 2006-11-30 Andrew Macleod <amacleod@redhat.com>
442 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
443 (COALESCE_HASH_FN): New. Define hash function.
444 (partition_pair_map_hash): New. Hash value for a partition pair.
445 (partition_pair_map_eq): New. Equality for hash pairs.
446 (create_coalesce_list): Create hash table.
447 (delete_coalesce_list): Free hash table.
448 (find_partition_pair): Find/create pairs in hash table.
449 (compare_pairs): Sort pairs in ascending order now.
450 (num_coalesce_pairs): New. Number of pairs in hash table.
451 (struct partition_pair_iterator): Iterator struct for pair table.
452 (first_partition_pair): Iterator function for first pair.
453 (end_partition_pair_p): Iterator function for end of iteration.
454 (next_partition_pair): Iterator function for next pair.
455 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
456 (sort_coalesce_list): Sort pairs from hash table into an array.
457 (pop_best_coalesce): Take pairs from the array.
458 (dump_coalesce_list): Update to use hash table or sorted array.
459 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
460 (struct coalesce_list_d): Add hash table related fields.
462 2006-11-30 Jan Hubicka <jh@suse.cz>
465 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
466 memmove/bcopy->memcpy conversion.
468 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
470 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
471 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
472 Default is the largest alignment supported for 32-bit ELF and
473 representable on a 32-bit host.
475 2006-11-30 Janis Johnson <janis187@us.ibm.com>
477 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
479 2006-11-30 Jan Hubicka <jh@suse.cz>
481 * tree-ssa-operands.h (struct ssa_operands): New.
482 * tree-flow-inline.h (gimple_ssa_operands): New function.
483 * tree-flow.h: (struct gimple_df): Add ssa_operands.
484 * Makefile.in: Remove gt-tree-ssa-operands.h
485 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
486 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
487 operand_memory, operand_memory_index, ops_active): Remove statics.
488 (ALLOC_OPTYPE): Update.
489 (operand_build_sort_virtual): Update.
490 (ssa_operands_active): Update.
491 (init_ssa_operands): Update.
492 (fini_ssa_operands): Update.
493 (ssa_operand_alloc): Update.
494 (INITIALIZE_USE): Update.
495 (finalize_ssa_use_ops): Update.
496 (finalize_ssa_v_may_def_ops): Update.
497 (finalize_ssa_vuse_ops): Update.
498 (finalize_ssa_v_must_def_ops): Update.
500 2006-11-30 Richard Guenther <rguenther@suse.de>
502 * tree-vectorizer.h (vectorizable_function): Export.
503 * tree-vect-transform.c (vectorizable_function): Likewise.
504 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
505 type_in to scalar type in recognition of squaring.
506 Make sure the target can vectorize sqrt in recognition
507 of sqrt, set type_in to vector type in this case.
509 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
511 * config/i386/i386.md (R10_REG): New constant.
512 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
513 (ix86_emit_restore_regs_using_mov): Ditto.
514 (ix86_expand_call): Ditto.
515 (x86_output_mi_thunk): Ditto. Also use R10_REG.
517 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
519 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
520 * alias.c (canon_true_dependence): Update comment.
522 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
524 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
525 at the end of a diagnostics message.
527 * alloc-pool.c (pool_free): Postpone clearing the pool entry
528 until after asserting that it was allocated in the right pool.
530 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
531 successor edge information as well. Make output of live regs
532 on exit consistent with live regs on entry.
534 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
537 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
538 insn patterns for TARGET_80387.
539 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
540 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
541 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
542 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
543 Generate truncxf<mode>2 insn patterns for strict SSE math.
545 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
547 * config/i386/i386.md (movsf_1): Enable pattern for standard
548 80387 constants before reload when optimizing for size.
549 (*movdf_nointeger, *movdf_integer): Ditto.
550 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
551 80387 constants before reload when not optimizing for size.
553 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
554 extension of XFmode input operands.
556 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
558 * config/spu/crt0.c (__dso_handle): Define.
560 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
562 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
563 when clearing the used flags.
565 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
567 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
569 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
572 * config/spu/spu.md (extend_compare<mode>): New pattern.
573 (extend_compare): Change to expand and use the above pattern.
575 2006-11-29 Janis Johnson <janis187@us.ibm.com>
577 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
579 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
580 (DFP_INIT_ROUNDMODE): Define.
581 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
582 * mklibgcc.in: Fix dependencies for dfp-bit.c.
584 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
586 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
587 Update documentation.
588 (associate_line_notes_with_blocks): Kill.
589 (extend_bb): Remove basic block argument, put void instead.
590 Remove line number handling for each bb.
591 (save_line_notes): Kill.
592 (restore_line_notes): Kill.
593 (sched_init): Remove line_note_head initialization.
594 Change extend_bb call.
595 (sched_finish): Remove free of line_note_head.
596 (add_block): Change extend_bb call.
597 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
598 rm_line_notes and restore_line_notes calls.
599 (schedule_ebbs): Remove rm_redundant_line_notes.
600 * sched-int.h (struct haifa_insn_data): Remove line_note.
601 (save_line_notes): Remove declaration.
602 (restore_line_notes): Remove declaration.
603 * modulo-sched.c (loop_canon_p): Update debug info printing
604 by using insn locators instead of line note.
605 (sms_schedule): Update debug info printing, by using insn
606 locators instead of line note.
607 * sched-rgn.c (debug_dependencies): Remove handling of case
608 n>0 (line number), since it's a dead code.
609 (schedule_region): Remove save_line_notes and
610 restore_line_notes calls.
612 2006-11-29 Joseph Myers <joseph@codesourcery.com>
614 * config/rs6000/predicates.md (gpc_reg_operand): Check
616 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
617 SImode subregs of SPE vectors.
618 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
619 * jump.c (true_regnum): Require subregs to satisfy
620 subreg_offset_representable_p.
622 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
623 Steven Bosscher <stevenb.gcc@gmail.com>
625 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
626 since it no longer exists.
628 2006-11-29 Duncan Sands <baldrick@free.fr>
630 PR tree-optimization/23744
631 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
633 2006-11-29 Duncan Sands <baldrick@free.fr>
635 PR tree-optimization/23744
636 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
638 2006-11-29 Duncan Sands <baldrick@free.fr>
640 PR tree-optimization/23744
641 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
643 2006-11-29 Jie Zhang <jie.zhang@analog.com>
645 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
647 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
649 * sh.opt (minline-ic_invalidate): New option.
650 (musermode): Adjust comment.
651 * sh.c (sh_initialize_trampoline): Emit library call unless
652 is set; if it is set, don't emit library call if we can use icbi
654 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
655 icbi for TARGET_SH4_300.
656 * t-sh (LIB1ASMFUNCS_CACHE): Set.
657 * doc/invoke.texi: Document -minline-ic_invalidate; Update
658 -musermode documentation.
660 2006-11-29 Jim Tison <jtison@us.ibm.com>
662 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
663 __gthread_recursive_mutex_init): Define.
665 2006-11-29 Joseph Myers <joseph@codesourcery.com>
667 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
668 STRICT_ALIGNMENT and the type is more aligned than the saved
669 registers, copy via a temporary.
671 2006-11-28 Andrew Pinski <pinskia@gmail.com>
674 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
677 2006-11-28 Bob Wilson <bob.wilson@acm.org>
679 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
681 2006-11-28 Jan Hubicka <jh@suse.cz>
683 Privatize SSA variables into gimple_df.
685 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
686 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
687 gimple_nonlocal_all): New accessors.
688 (first_referenced_var): Update.
689 (mark_stmt_modified): Update.
690 (is_call_clobbered): Update.
691 (mark_call_clobbered): Update.
692 (clear_call_clobbered): Update.
693 (mark_non_addressable): Update.
694 * tree-vrp.c (get_value_range): Update.
695 * tree-into-ssa.c (in_ssa_p): Kill.
696 (get_default_def_for): Update.
697 (rewrite_into_ssa): Update.
698 * tree-complex.c (init_parameter_lattice_values): Update.
699 (update_complex_assignment): Update.
700 (update_parameter_components): Update.
701 (expand_complex_libcall): Update.
702 (expand_complex_operations_1): Update.
703 * tree-tailcall.c (arg_needs_copy_p): Update.
704 (add_virtual_phis): Update.
705 (tree_optimize_tail_calls_1): Update.
706 * tree-ssa-dse.c (memory_ssa_name_same): Update.
707 * tree-ssa-copyrename.c
708 (copy_rename_partition_coalesce): Update.
709 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
710 * tree-ssa-propagate.c (set_rhs): Update.
711 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
712 addressable_vars, global_var):Kill.
713 (set_initial_properties): Update.
714 (init_alias_info): Update.
715 (finalize_ref_all_pointers): Update.
716 (setup_pointers_and_addressables): Update.
717 (maybe_create_global_var): Update.
718 (create_global_var): Update.
719 (dump_points_to_info): Update.
720 * function.h (struct gimple_df): Forward declare.
721 (struct function): Add GIMPLE_DF field.
722 * gimplify.c (force_gimple_operand): Update.
723 * tree-dfa.c (referenced_vars, default_defs): KIll.
724 (make_rename_temp): Update.
725 (dump_variable): Update.
726 (referenced_var_lookup): Update.
727 (referenced_var_check_and_insert): Update.
728 (default_def): Rename to ...
729 (gimple_default_def): ... this one; accept cfun argument.
730 (set_default_def): Update.
731 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
732 (cleanup_control_flow): Update.
733 * tree-ssa-pre.c (compute_avail): Update
734 * tree-ssa-live.c (calculate_live_on_entry): Update.
735 * tree-ssa.c (verify_use): Update.
736 (verify_call_clobbering): Update.
737 (verify_call_clobbering): Update.
738 (init_tree_ssa): Update.
739 (delete_tree_ssa): Update.
740 * tree-outof-ssa.c (coalesce_ssa_name): Update.
741 (rewrite_out_of_ssa): Update.
742 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
743 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
745 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
746 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
747 addressable_vars, aliases_computed_p): Kill.
748 (default_def): Rename to...
749 (gimple_default_def): ... this one.
750 (defaule_def_fn): Kill.
751 (num_referenced_vars, ssa_names, num_ssa_names): Update.
752 * tree-ssa-structalias.c (nonlocal_all): Kill.
753 (get_constraint_exp_from_ssa_var): Update.
754 (create_nonlocal_var): Update.
755 (get_constraint_for): Update.
756 (update_alias_info): Update.
757 (find_global_initializers): Update.
758 (intra_create_variable_infos): Update.
759 (intra_create_variable_infos):
760 (find_what_p_points_to): Update.
761 (init_alias_heapvars): Update.
762 * tree-cfg.c (remove_bb): Update.
763 (gimplify_val): Update.
764 * tree-ssa-reassoc.c (get_rank): Update.
765 (init_reassoc): Update.
766 * tree-ssanames.c: Do not include gt-tree-ssanames.h
767 (ssa_names, free_ssanames): Kill.
768 (init_ssanames): Update.
769 (make_ssa_name): Update.
770 (release_ssa_name): Update.
771 (release_defs): Update.
772 (replace_ssa_name_symbol): Update.
773 * tree-ssa-operands.c (access_can_touch_variable): Update.
774 (add_virtual_operand): Update.
775 (add_call_clobber_ops): Update.
776 (add_call_read_ops): Update.
777 (get_call_expr_operands): Update.
778 (get_asm_expr_operands): Update.
780 2006-11-28 Jan Hubicka <jh@suse.cz>
782 * builtins.c: Include tree-flow.h.
783 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
784 assignment; convert memmove to memcpy for sizes greater than 1 where
785 alignment of operands prohibit the partial overlap.
787 2006-11-28 Jan Hubicka <jh@suse.cz>
789 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
790 * cgraph.c (dump_cgraph_node): Dump stack usage.
791 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
792 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
793 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
794 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
795 (cgraph_check_inline_limits): Limit stack growth.
796 * cfgexpand.c: Include tree-inline.h.
797 (account_stack_vars): New function.
798 (expand_one_var): New param to just account the stack; return estimated
800 (expand_used_vars_for_block): Update call of expand_one_var.
801 (account_used_vars_for_block): New function.
802 (estimated_stack_frame_size): Likewise.
803 (init_vars_expansion, fini_vars_expansion): Break out from..
804 (expand_used_vars): ... here.
805 * tree-inline.h (estimated_stack_frame_size): Declare.
806 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
808 2006-11-28 Richard Guenther <rguenther@suse.de>
810 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
811 unsigned long for printing OBJECT_SIZE.
813 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
815 * alias.c (init_alias_analysis): Remove simplification loop
816 after propagating pointers.
818 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
820 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
823 2006-11-27 Bob Wilson <bob.wilson@acm.org>
825 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
827 2006-11-27 Roger Sayle <roger@eyesopen.com>
828 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
830 * c-common.c (constant_fits_type_p): Delete.
831 (unsigned_conversion_warning): Delete.
832 (conversion_warning): Integrate Wconversion warning from
833 unsigned_conversion_warning.
834 (convert_and_check): Integrate Woverflow warning from
835 unsigned_conversion_warning. Reorganize and simplify to avoid
836 dependence upon the middle-end setting TREE_OVERFLOW on integral
837 conversions, by using int_fits_type_p directly.
839 2006-11-27 Tobias Burnus <burnus@net-b.de>
841 * doc/invoke.texi: Fixed typo.
843 2006-11-27 Michael Matz <matz@suse.de>
844 Andreas Krebbel <krebbel1@de.ibm.com>
847 * config/s390/predicates.md (larl_operand): Check addend of larl
848 operand to be in range of -/+2GB.
849 * config/s390/s390.c (legitimize_pic_address): Likewise.
850 Changed type of variable even to HOST_WIDE_INT.
852 2006-11-27 Jan Hubicka <jh@suse.cz>
854 * expr.c (emit_block_move_via_libcall): Export.
855 (clear_storage_via_libcall): Rename to ...
856 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
857 (clear_storage): Update to set_storage_via_libcall.
858 * expr.h (emit_block_move_via_libcall): Declare
859 * config/i386/i386.h (stringop_alg): New enum.
860 (MAX_STRINGOP_ALGS): New constant.
861 (stringop_algs): New struct.
862 (processor_costs): Add memcpy/memset descriptors.
863 (TARGET_REP_MOVEL_OPTIMAL): Remove.
864 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
865 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
867 * config/i386/i386.opt (minline-stringops-dynamically,
868 mstringop-strategy): New
870 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
871 (ix86_expand-clrmem): Rename to ...
872 (ix86_expand_setmem): ... this one; update prototype.
873 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
874 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
875 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
876 nocona_cost, core2_cost, generic_cost, generic64_cost,
877 generic32_cost): Add memcpy/memset descriptors.
878 (x86_rep_movl_optimal): Remove.
879 (stringop_alg): New static variable.
880 (ix86_expand_aligntest): Handle predictions.
881 (override_options): Add strgop_alg handling.
882 (predict_jump): New function.
883 (scale_counter): New function.
884 (expand_set_or_movmem_via_loop): New function.
885 (expand_movmem_via_rep_mov): New function.
886 (expand_setmem_via_rep_stots): New function.
887 (emit_strmov): New function.
888 (expand_movmem_epilogue): New function.
889 (expand_setmem_epilogue_via_loop): New function.
890 (expand_setmem_epilogue): New function.
891 (expand_movmem_prologue): New function.
892 (expand_setmem_prologue): New function.
893 (decide_alg): New function.
894 (decide_alignment): New function.
895 (ix86_exand_movmem): Rewrite.
896 (promote_duplicated_reg): New function.
897 (ix86_expand_clrmem): Rename to ...
898 (ix86_expand_setmem): ... this one. Rewrite.
900 * invoke.texi (minline-stringops-dynamically): New command line option.
901 (mstringop-strategy): Likewise.
903 2006-11-27 Jan Hubicka <jh@suse.cz>
905 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
906 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
907 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
908 * insn-notes.def (FUNCTION_END): Remove.
909 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
910 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
912 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
913 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
914 * cfglayout.c (duplicate_insn_chain): Don't worry about
917 2006-11-27 Richard Guenther <rguenther@suse.de>
918 Zdenek Dvorak <dvorakz@suse.cz>
920 * target.h (struct gcc_target): Add builtin_vectorized_function
922 * target-def.h (TARGET_VECTORIZE): Likewise.
923 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
924 Document new target hook.
925 * targhooks.h (default_builtin_vectorized_function): Declare.
926 * targhooks.c (default_builtin_vectorized_function): Define.
927 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
928 (vectorizable_call): Declare.
929 * tree-vect-analyze.c (vect_analyze_operations): Call
931 * tree-vect-transform.c (vectorizable_function): New static function.
932 (build_vectorized_function_call): Likewise.
933 (vectorizable_call): New function.
934 (vect_transform_stmt): Handle vectorizable calls.
936 2006-11-27 Richard Guenther <rguenther@suse.de>
939 * builtins.c (expand_builtin_pow): Optimize non integer valued
940 constant exponents using sqrt or cbrt if possible. Always fall back
941 to expanding via optabs.
943 2006-11-27 Ira Rosen <irar@il.ibm.com>
945 PR tree-optimization/22372
946 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
947 the type of the base address.
948 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
949 it in the data-ref pointer creation.
950 (vect_init_vector): Add an argument, type of the init vector. Use it in
952 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
953 (get_initial_def_for_reduction): Likewise.
954 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
956 (vectorizable_assignment, vect_permute_store_chain): Likewise.
957 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
958 correct type in stmt creation.
959 (vect_setup_realignment): Use the correct type in stmt creation.
960 (vect_permute_load_chain): Change type of MODIFY_EXPR to
962 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
963 of MODIFY_EXPR to void_type_node.
964 (vectorizable_condition): Change type of MODIFY_EXPR to
966 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
969 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
972 2006-05-08 Uros Bizjak <uros@kss-loka.si>
973 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
974 standard 80387 constants, raise the cost to prevent
975 compress_float_constant() to generate load from memory.
977 * config/i386/i386.md: Add new splitter pattern to split
978 float_extended load of constant from constant pool into
981 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
983 * doc/install.texi: Move GMP/MPFR configure options from Fortran
984 section to general section. Remove documentation for
985 --with-mpfr-dir and --with-gmp-dir, add documentation for
986 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
989 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
991 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
993 * testsuite/gcc.dg/ipa/ipa-6.c: New.
995 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
997 PR tree-optimization/29122
998 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
999 for the new version. Assign NULL to DECL_RTL of the new version.
1001 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1003 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
1005 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1007 * cse.c (cse_altered): Remove.
1008 (record_jump_equiv): Make true/false argument a bool instead
1010 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
1011 where appropriate. Emit a new jump before the existing one
1012 instead of after so that delete_insn_and_edges removes the
1013 dead edges properly. Check any_condjump_p before calling
1015 (cse_basic_block): Check any_condjump_p before calling
1017 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
1019 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
1021 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
1022 -ffixed-line-length-* options.
1024 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1026 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
1027 (fprem1xf4): Rename to fprem1xf4_i387.
1029 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
1030 Rename patterns to fmod<mode>3. Use general_operand operand
1031 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
1032 patterns for SSE math.
1033 (remaindersf3, remainderdf3): Ditto.
1035 2006-11-25 Joseph Myers <joseph@codesourcery.com>
1037 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
1038 inside start_sequence / end_sequence pair.
1040 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1042 * jump.c (mark_all_labels): Work in cfglayout mode.
1043 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
1044 when in cfglayout mode, because there are no dead jumptables
1046 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
1048 (commit_edge_insertions): Do not allow insertion of instructions
1049 with control flow insns when in cfglayout mode.
1051 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
1053 * tree-vrp.c (execute_vrp): Do not pass loops structure through
1055 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
1056 unswitch_loop): Ditto.
1057 * tree-loop-linear.c (linear_transform_loops): Ditto.
1058 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
1059 tree_ssa_lim): Ditto.
1060 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1061 free_numbers_of_iterations_estimates): Ditto.
1062 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
1063 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
1064 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
1065 remove_path, add_loop, loopify, unloop, fix_loop_placements,
1066 place_new_loop, duplicate_loop, duplicate_subloops,
1067 update_single_exit_for_duplicated_loops, copy_loops_to,
1068 duplicate_loop_to_header_edge, create_preheaders,
1069 force_single_succ_latches, loop_version, fix_loop_structure):
1071 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
1072 tree_unroll_loop): Ditto.
1073 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1074 * tree-scalar-evolution.c (select_loops_exit_conditions,
1075 scev_initialize, scev_analysis): Ditto.
1076 * tree-scalar-evolution.h (scev_initialize): Ditto.
1077 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
1078 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
1079 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1080 * modulo-sched.c (sms_schedule): Ditto.
1081 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1082 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
1083 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
1084 * ifcvt.c (if_convert): Ditto.
1085 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
1086 canonicalize_loop_induction_variables,
1087 canonicalize_induction_variables,
1088 tree_unroll_loops_completely, remove_empty_loops): Ditto.
1089 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
1090 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
1091 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
1092 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
1093 tree_ssa_loop_done): Ditto.
1094 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
1095 estimate_bb_frequencies): Ditto.
1096 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
1097 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
1098 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1099 decide_unrolling_and_peeling, peel_loop_completely,
1100 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
1101 peel_loop_simple, unroll_loop_stupid): Ditto.
1102 * loop-doloop.c (doloop_optimize_loops): Ditto.
1103 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
1104 * loop-invariant.c (move_loop_invariants): Ditto.
1105 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
1106 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
1107 tree_ssa_prefetch_arrays): Ditto.
1108 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
1110 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
1111 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
1112 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
1113 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
1114 verify_loop_structure): Ditto.
1115 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
1116 canonicalize_induction_variables, tree_unroll_loops_completely,
1117 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
1118 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
1119 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
1120 tree_unroll_loop, linear_transform_loops): Declaration changed.
1121 * basic-block.h: Remove declaration of struct loops.
1122 * cfghooks.h (struct cfg_hooks): Change type of
1123 cfg_hook_duplicate_loop_to_header_edge.
1124 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
1125 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
1126 vect_transform_loop): Declaration changed.
1127 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
1128 * cfgloop.h (flow_loops_dump, fix_loop_structure,
1129 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
1130 cancel_loop_tree, create_preheaders, force_single_succ_latches,
1131 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
1132 loopify, loop_version, remove_path, unswitch_loops,
1133 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
1134 Declaration changed.
1136 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
1138 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
1139 (X87MODEF): New mode macro.
1140 (ssemodefsuffix): New mode attribute.
1141 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
1142 (sqrt_extend<mode>xf2_i387): New insn pattern.
1143 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
1144 insn and truncate result back to original mode using
1145 UNSPEC_TRUNC_NOOP truncation.
1146 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
1147 ssemodefsuffix mode attribute.
1148 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
1149 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
1150 (*sqrtextenddfxf2_i387): Remove insn patterns.
1152 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
1153 truncation patterns.
1155 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
1157 2006-11-24 Jakub Jelinek <jakub@redhat.com>
1160 * c-tree.h (c_maybe_initialize_eh): New prototype.
1161 * c-decl.c (finish_decl): Move EH initialization...
1162 (c_maybe_initialize_eh): ... here. New function.
1163 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
1164 if not #pragma omp atomic.
1167 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
1168 or UNION_TYPE inner types.
1170 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
1173 * ipa-pure-const.c (check_tree): If the original tree
1174 is volatile return early and say the function is not pure
1175 nor const. Remove the volatile check for writes.
1176 (analyze_function): Print out the result of the local
1179 2006-11-24 Joseph Myers <joseph@codesourcery.com>
1181 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
1183 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
1184 * config/rs6000/rs6000.c (rs6000_override_options): Use
1185 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
1188 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
1190 * config/s390.c (s390_emit_compare_and_swap): New function.
1191 (s390_expand_cs_hqi, s390_expand_atomic): Call
1192 s390_emit_compare_and_swap.
1194 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1196 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
1198 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1202 * c-common.c (conversion_warning): New.
1203 (convert_and_check): Call conversion_warning unless there is an
1205 * doc/invoke.texi (-Wconversion): Update description.
1207 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
1209 * tree-ssa-alias.c (tree_pointer_compare): New function.
1210 (compact_name_tags): New function.
1211 (group_aliases): Call compact_name_tags.
1213 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1215 * real.h (real_isinteger): Declare.
1216 * real.c (real_isinteger): Define.
1217 * builtins.c (integer_valued_real_p): Use it.
1219 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1222 * c.opt (Wtraditional-conversion): New.
1223 (Wconversion): Update description.
1224 * c-typeck.c (convert_arguments): Warnings for prototypes causing
1225 type conversions different from what would happen in the absence
1226 of prototype are now handled by Wtraditional-conversion.
1227 * doc/invoke.texi (Wtraditional-conversion): New.
1228 (Wconversion): Update description.
1229 * doc/trouble.texi (Wconversion): Replace Wconversion by
1230 Wtraditional-conversion.
1232 2006-11-23 Andrew Pinski <pinskia@gmail.com>
1234 * predict.c (tree_estimate_probability): Check to make
1235 sure current_loops is non null before calling flow_loops_dump.
1237 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
1239 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
1241 2006-11-23 David Ung <davidu@mips.com>
1243 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
1245 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
1246 (ASM_SPEC): Pass along -mfp32 and -mfp64.
1247 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
1248 high part of FP register when in 64-bit FP register mode. Similarly
1249 use gen_mfhc1 to load high part of FP register.
1250 (override_options): Allow -mgp32 and -mfp64 combination if
1251 ISA_HAS_MXHC1 (currently for O32 only).
1252 (mips_cannot_change_mode_class): If floating-point registers are
1253 bigger than word size. disallow conversion of float register from a
1254 large integer mode to a float mode smaller than the float register
1256 (mips_class_max_nregs): Handle float registers case seperately.
1257 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
1259 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
1260 (movdf_hardfloat_32bit): Similarly.
1261 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
1262 support a full 64-bit fpu.
1263 (mthc1): New pattern to generate MTHC1 instruction.
1264 (mfhc1): New pattern to generate MFHC1 instruction.
1265 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
1266 option for the MIPS32R2 and mention its use under O32 ABI.
1268 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
1270 * var-tracking.c (emit_note_insn_var_location): Take care not to
1271 cause verify_flow_info failures.
1273 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
1275 * tree-ssa-structalias.c: Remove edge weights in favor of just
1276 processing them as complex constraints.
1277 (struct constraint_graph): Remove weighted succs and preds. Rename
1278 nonweighted succs and preds.
1279 (constraint_edge): Removed.
1280 (constraint_edge_t): Ditto.
1281 (constraint_edge_pool): Ditto.
1282 (new_constraint_edge): Ditto.
1283 (constraint_edge_equal): Ditto.
1284 (constraint_edge_less): Ditto.
1285 (constraint_edge_vec_find): Ditto.
1286 (erase_self_graph_edge): Ditto.
1287 (add_graph_edge): Removed.
1288 (get_graph_weights): Ditto.
1289 (allocate_graph_weights): Ditto.
1290 (valid_weighted_graph_edge): Ditto
1291 (bitmap_other_than_zero_bit_set): Ditto.
1292 (int_add_graph_edge): Renamed to add_graph_edge.
1293 (clear_edges_for_node): Remove support for weighted edges.
1294 (merge_graph_nodes): Ditto.
1295 (valid_graph_edge): Ditto.
1296 (build_constraint_graph): Ditto.
1298 (collapse_nodes): Ditto.
1299 (process_unification_queue): Ditto.
1300 (topo_visit): Ditto.
1301 (do_ds_constraint): Ditto.
1302 (perform_var_subsitution): Ditto.
1303 (solve_graph): Ditto.
1304 (init_alias_vars): Ditto.
1305 (delete_points_to_sets): Ditto.
1306 (do_complex_constraint): Support offsetted copies here.
1308 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
1310 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
1312 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
1314 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
1317 2006-11-23 Ben Elliston <bje@au.ibm.com>
1319 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
1321 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
1323 PR tree-optimization/29921
1324 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
1325 signed and unsigned zero equal.
1327 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
1329 * config/rs6000/rs6000.c (get_store_dest): New.
1330 (adjacent_mem_locations): Use get_store_dest() to get
1331 the rtl of the store destination.
1333 2006-11-22 Joseph Myers <joseph@codesourcery.com>
1335 * config/rs6000/spe.md (SPE64): New mode macro.
1336 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
1338 (mov_si<mode>_e500_subreg0_2): New.
1339 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
1341 (mov_si<mode>_e500_subreg4_2): New.
1342 * config/rs6000/predicates.md (input_operand): Do not allow
1343 invalid E500 subregs.
1344 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
1346 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
1347 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
1348 involving vector modes if TARGET_SPE.
1350 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
1353 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1354 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1356 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
1358 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
1359 mem_i_address_operand): New predicates.
1360 * config/bfin/bfin.c (bfin_issue_rate): New function.
1361 (TARGET_SCHED_ISSUE_RATE): New macro.
1362 * config/bfin/bfin.md (addrtype): New attribute.
1363 (slot0, slot1, slot2, store, pregs): New cpu_units.
1364 (core): Now a define_reservation.
1365 (alu): Remove some insn types from this reservation.
1366 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
1368 (dummy reservation): Don't trigger for mcld insns.
1369 (absence_sets): Two new absence sets to enforce slot ordering.
1370 (popsi_insn): Set addrtype.
1372 2006-11-22 Ira Rosen <irar@il.ibm.com>
1374 * doc/c-tree.texi: Document new tree codes.
1375 * doc/md.texi: Document new optabs.
1376 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
1378 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
1379 * optabs.h (optab_index): Add new.
1380 (vec_extract_even_optab, vec_extract_odd_optab,
1381 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
1382 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
1383 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
1385 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
1386 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1387 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
1388 along with macros for their access.
1389 * tree-data-ref.h (first_location_in_loop, data_reference): Update
1391 * tree-vect-analyze.c (toplev.h): Include.
1392 (vect_determine_vectorization_factor): Fix indentation.
1393 (vect_insert_into_interleaving_chain,
1394 vect_update_interleaving_chain, vect_equal_offsets): New functions.
1395 (vect_analyze_data_ref_dependence): Add argument for interleaving
1396 check. Check for interleaving if it's true.
1397 (vect_check_dependences): New function.
1398 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
1399 every ddr. Call vect_analyze_data_ref_dependence with new argument.
1400 (vect_update_misalignment_for_peel): Update for interleaving.
1401 (vect_verify_datarefs_alignment): Check only first data-ref for
1403 (vect_enhance_data_refs_alignment): Update for interleaving. Check
1404 only first data-ref for interleaving.
1405 (vect_analyze_data_ref_access): Check interleaving, update
1407 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
1408 with different parameters.
1409 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
1410 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
1411 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
1412 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
1413 Update step in case of interleaving.
1414 (vect_strided_store_supported, vect_permute_store_chain): New
1416 (vectorizable_store): Handle strided stores.
1417 (vect_strided_load_supported, vect_permute_load_chain,
1418 vect_transform_strided_load): New functions.
1419 (vectorizable_load): Handle strided loads.
1420 (vect_transform_stmt): Add argument. Handle strided stores. Check
1421 that vectorized stmt exists for patterns.
1422 (vect_gen_niters_for_prolog_loop): Update calculation for
1424 (vect_transform_loop): Remove stmt_vec_info for strided stores after
1425 whole chain vectorization.
1426 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
1427 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
1428 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
1429 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
1430 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
1432 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
1434 * cse.c (enum taken): Remove PATH_AROUND.
1435 (addr_affects_sp_p, invalidate_skipped_set,
1436 invalidate_skipped_block): Remove.
1437 (cse_end_of_basic_block): Remove skip_blocks and related code.
1438 (cse_main): Don't test for flag_cse_skip_blocks.
1439 Update cse_end_of_basic_block call.
1440 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
1441 code to lengthen the path if a jump was simplified.
1443 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1445 PR rtl-optimization/29924
1446 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
1447 (unroll_loop_runtime_iterations): Assert that the argument passed to
1448 split_edge_and_insert is not NULL.
1449 * loop-doloop.c (add_test): Ditto.
1451 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1453 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
1455 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
1456 * cfgloopmanip.c (update_single_exits_after_duplication,
1457 update_single_exit_for_duplicated_loop, loop_version): Ditto.
1458 * tree-scalar-evolution.c (get_loop_exit_condition,
1459 get_exit_conditions_rec, loop_closed_phi_def,
1460 number_of_iterations_in_loop, scev_const_prop): Ditto.
1461 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
1462 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
1464 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1466 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1467 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
1468 slpeel_make_loop_iterate_ntimes,
1469 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
1470 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1472 * tree-if-conv.c (if_convertible_loop_p): Ditto.
1473 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
1474 vect_analyze_loop_form): Ditto.
1475 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
1476 can_convert_to_perfect_nest, perfect_nestify): Ditto.
1477 * tree-vect-transform.c (vect_create_epilog_for_reduction,
1478 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1479 vect_transform_loop): Ditto.
1480 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
1481 (single_exit, set_single_exit): New functions.
1482 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
1483 (single_exit, set_single_exit): Declare.
1484 * doc/loop.texi: Undocument single_exit field. Document single_exit
1487 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1489 PR tree-optimization/29902
1490 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
1491 any involved ssa name appears in abnormal phi node.
1493 2006-11-21 Bob Wilson <bob.wilson@acm.org>
1495 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
1496 (xtensa_const_ok_for_letter_p): Delete.
1497 (xtensa_extra_constraint): Delete.
1498 (override_options): Delete xtensa_char_to_class initialization.
1499 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
1500 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1501 (EXTRA_CONSTRAINT): Delete.
1502 * config/xtensa/xtensa.md: Include constraints.md.
1503 (call_internal): Combine alternatives.
1504 (call_value_internal): Likewise, and remove invalid constraints.
1505 * config/xtensa/constraints.md: New file.
1506 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
1507 (xtensa_extra_constraint): Delete.
1508 * doc/md.texi (Machine Constraints): Refer to constraints.md for
1511 2006-11-21 Janis Johnson <janis187@us.ibm.com>
1513 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
1514 of conversion that doesn't fit.
1516 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
1517 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
1518 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
1520 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
1522 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
1524 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
1526 2006-11-21 Richard Guenther <rguenther@suse.de>
1528 * tree-vectorizer.h (NUM_PATTERNS): Increase.
1529 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
1530 vect_recog_pow_pattern.
1531 (vect_recog_pow_pattern): New function.
1533 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
1535 * config/bfin/bfin.opt (mstack-check-l1): New.
1536 * doc/invoke.texi (Blackfin Options): Document it.
1537 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
1538 stack bounds in L1 memory if the new option is enabled.
1539 (override_options): Don't allow combinations of -fstack-limit and
1541 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
1544 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
1546 (bfin_register_move_cost): Bump costs if trying to move plain
1547 integer values through accumulators.
1549 2006-11-21 Ben Elliston <bje@au.ibm.com>
1551 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
1553 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1554 Russell Olsen <Russell_Olsen@playstation.sony.com>
1555 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1556 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1557 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1558 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1559 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1561 * config.gcc: Add target for SPU.
1562 * config/spu/constraints.md: New file.
1563 * config/spu/crt0.c: New file.
1564 * config/spu/crtend.c: New file.
1565 * config/spu/crti.asm: New file.
1566 * config/spu/crtn.asm: New file.
1567 * config/spu/float_unsdidf.c: New file.
1568 * config/spu/float_unssidf.c: New file.
1569 * config/spu/predicates.md: New file.
1570 * config/spu/spu-builtins.def: New file.
1571 * config/spu/spu-builtins.h: New file.
1572 * config/spu/spu-builtins.md: New file.
1573 * config/spu/spu-c.c: New file.
1574 * config/spu/spu-elf.h: New file.
1575 * config/spu/spu-modes.def: New file.
1576 * config/spu/spu-protos.h: New file.
1577 * config/spu/spu.c: New file.
1578 * config/spu/spu.h: New file.
1579 * config/spu/spu.md: New file.
1580 * config/spu/spu.opt: New file.
1581 * config/spu/spu_internals.h: New file.
1582 * config/spu/spu_intrinsics.h: New file.
1583 * config/spu/spu_mfcio.h: New file.
1584 * config/spu/t-spu-elf: New file.
1585 * config/spu/vec_types.h: New file.
1586 * config/spu/vmx2spu.h: New file.
1587 * doc/contrib.texi: Document SPU contributor.
1588 * doc/extend.texi: Document SPU extensions.
1589 * doc/invoke.texi: Document SPU options.
1590 * doc/md.texi: Document SPU constraints.
1592 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1594 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1596 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1598 (flow_loop_dump): Do not dump loop level.
1599 (flow_loops_find): Do not call flow_loops_level_compute.
1600 * cfgloop.h (struct loop): Remove level field.
1602 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1604 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1605 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1606 Use vector of edges instead of array.
1607 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1608 estimate_numbers_of_iterations_loop): Ditto.
1609 * predict.c (predict_loops): Ditto.
1610 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1611 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1613 * basic-block.h: Declare heap allocation for edge vectors.
1614 * tree-outof-ssa.c: Ditto.
1615 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1616 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1618 2006-11-20 Zack Weinberg <zackw@panix.com>
1620 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1621 Add another out parameter, "skip".
1622 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1623 is tagged "skip", do not mark its type used.
1625 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1628 * tree-sra.c (single_scalar_field_in_record_p): New function.
1629 (decide_block_copy): Use it.
1631 2006-11-20 David Daney <ddaney@avtrex.com>
1633 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1634 PC to point to following instruction.
1636 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1640 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1642 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1644 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1646 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1647 Add sh/superh.h to tm_file.
1649 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1650 Mark Mitchell <mark@codesourcery.com>
1652 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1654 (cpp_relocated): New function.
1655 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1657 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1658 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1659 replace configured prefix with gcc_exec_prefix.
1661 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1663 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1664 bfin_legitimate_constant_p.
1665 * config/bfin/bfin.md (movsi expander): Check return value of
1667 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1668 (expand_move): Adjust prototype.
1669 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1670 invalid constants specially.
1671 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1673 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1675 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1676 sibcall_value_symbol): Allow these patterns if
1677 TARGET_LEAF_ID_SHARED_LIBRARY.
1678 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1679 (override_options): Turn on id shared library flags if -msep-data,
1680 but disallow the combination of these options on the command line.
1681 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1682 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1683 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1684 -mid-shared-library.
1685 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1686 * doc/invoke.texi (Blackfin Options): Document new switches.
1688 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1689 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1691 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1692 inflate costs for addresses with an out-of-bounds address.
1694 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1697 * fwprop.c (loops): Remove.
1698 (forward_propagate_into): Use current_loops instead of
1700 (fwprop_init): Call loop_optimizer_init instead of
1702 (fwprop_done): Call loop_optimizer_finalize instead of
1704 (fwprop): Use current_loops instead of loops.
1706 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1709 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1711 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1714 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1715 larger than BITS_PER_WORD.
1717 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1721 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1722 to MAX_FIXED_MODE_SIZE.
1724 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1726 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1727 (fold_builtin_fmin_fmax): New.
1728 (fold_builtin_1): Use it.
1730 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1732 2006-11-18 Richard Guenther <rguenther@suse.de>
1734 * config/i386/i386.c (ix86_builtins): New array for ix86
1735 builtin function decls.
1736 (def_builtin): New function.
1737 (def_builtin_const): Likewise.
1738 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1740 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1742 * doc/invoke.texi (core2): Add item.
1744 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1746 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1747 (TARGET_CPU_DEFAULT_generic): Change value.
1748 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1749 (processor_type): Add new constant PROCESSOR_CORE2.
1751 * config/i386/i386.md (cpu): Add core2.
1753 * config/i386/i386.c (core2_cost): New initialized variable.
1754 (m_CORE2): New macro.
1755 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1756 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1757 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1758 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1759 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1760 x86_accumulate_outgoing_args, x86_prologue_using_move,
1761 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1762 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1763 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1764 x86_pad_returns): Add m_CORE2.
1765 (override_options): Add entries for Core2.
1766 (ix86_issue_rate): Add case for Core2.
1768 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1770 * doc/invoke.texi: Fix mno-isel typo.
1772 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1774 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1775 easy vector constant loads.
1777 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1779 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1780 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1781 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1782 * config/rs6000/sync.md (lwsync): Emit plain sync if
1785 2006-11-17 DJ Delorie <dj@redhat.com>
1787 * reload1.c (reloads_unique_chain): New.
1788 (reloads_conflict): Call it.
1790 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1792 * config/xtensa/predicates.md (addsubx_operand): New.
1793 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1794 (xtensa_emit_bit_branch): New.
1795 (xtensa_emit_movcc): New.
1796 * config/xtensa/xtensa.md (any_minmax): New code macro.
1797 (minmax): New code attribute.
1798 (any_cond, any_scc, any_scc_sf): New code macros.
1799 (*addx2, *addx4, *addx8): Delete.
1801 (*subx2, *subx4, *subx8): Delete.
1803 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1804 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1805 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1806 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1807 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1808 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1809 (movsfcc_internal0, movsfcc_internal1): Likewise.
1810 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1811 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1812 (xtensa_emit_bit_branch): New.
1813 (xtensa_emit_movcc): New.
1814 (function_arg_boundary): Add missing prototype.
1816 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1818 * config/xtensa/xtensa.md (tstsi): Delete
1820 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1822 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1824 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1826 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1828 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1830 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1832 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1834 * tree-vrp.c (execute_vrp): Do not update current_loops.
1835 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1836 * doc/loop.texi: Remove documentation for cancelled functions.
1837 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1838 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1840 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1841 (remove_path): Ensure that in delete_basic_blocks, the loops
1842 are still allocated.
1843 (add_loop): Work on valid loop structures.
1844 (loopify): Modify call of add_loop.
1845 (mfb_update_loops): Removed.
1846 (create_preheader): Do not update loops explicitly.
1847 (force_single_succ_latches, loop_version): Do not use
1848 loop_split_edge_with.
1849 (loop_split_edge_with): Removed.
1850 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1851 Do not use bsi_insert_on_edge_immediate_loop.
1852 (split_loop_exit_edge, tree_unroll_loop): Do not use
1853 loop_split_edge_with.
1854 (bsi_insert_on_edge_immediate_loop): Removed.
1855 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1856 use loop_split_edge_with.
1857 * cfghooks.c: Include cfgloop.h.
1858 (verify_flow_info): Verify that loop_father is filled iff current_loops
1860 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1861 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1863 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1865 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1866 loop_split_edge_with.
1867 (sms_schedule): Use current_loops.
1868 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1869 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1871 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1872 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1873 * ifcvt.c (if_convert): Ditto.
1874 * predict.c (predict_loops): Do not clear current_loops.
1875 (tree_estimate_probability): Use current_loops.
1876 (propagate_freq): Receive head of the region to propagate instead of
1878 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1879 (estimate_loops): New function. Handle case current_loops == NULL.
1880 (estimate_bb_frequencies): Do not allocate tovisit. Use
1882 * tree-ssa-loop.c (current_loops): Removed.
1883 (tree_loop_optimizer_init): Do not return loops.
1884 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1885 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1886 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1887 Do not update loops explicitly.
1888 * function.h (struct function): Add x_current_loops field.
1889 (current_loops): New macro.
1890 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1891 * loop-unroll.c (split_edge_and_insert): New function.
1892 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1893 use loop_split_edge_with.
1894 * loop-doloop.c (add_test, doloop_modify): Ditto.
1895 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1896 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1897 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1898 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1900 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1901 (flow_loops_free): Do not free dfs_order and rc_order.
1902 (flow_loops_find): Do not set dfs_order and rc_order in loops
1903 structure. Do not call loops and flow info verification.
1904 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1905 already belongs to some loop.
1906 * cfgloop.h (struct loops): Remove struct cfg.
1907 (current_loops, loop_split_edge_with): Declaration removed.
1908 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1909 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1910 Declaration removed.
1911 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1912 * basic-block.h (split_edge_and_insert): Declare.
1913 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1915 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1917 PR tree-optimization/29801
1918 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1919 (get_default_value): Use get_symbol_constant_value.
1920 (set_lattice_value): ICE when the value of the constant is
1922 (visit_assignment): Ignore VDEFs of read-only variables.
1924 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1926 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1928 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1929 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1931 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1933 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1934 select subvars of var.
1936 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1939 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1940 optimize if DEF doesn't have integral type.
1942 2006-11-16 Mike Stump <mrs@apple.com>
1944 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1945 pre-darwin9 system, unless the user asks for it directly.
1946 (PREFERRED_DEBUGGING_TYPE): Likewise.
1947 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1948 * config.gcc: Add suppport for darwin9.h.
1949 * config/darwin9.h: Add.
1950 * doc/install.texi (Specific): Clarify darwin documentation.
1952 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1954 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1955 optimizing for size.
1957 2006-11-16 Mike Stump <mrs@apple.com>
1959 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1961 2006-11-16 Dirk Mueller <dmueller@suse.de>
1963 * tree-vrp.c (get_value_range): Use XCNEW instead
1965 (insert_range_assertions): Use XCNEWVEC instead
1966 of XNEWVEC and memset.
1967 (vrp_initialize): Same.
1968 (vrp_finalize): Same.
1969 * tree-ssa-ccp.c (ccp_initialize): Same.
1970 * predict.c (tree_bb_level_predictions): Same.
1971 * calls.c (expand_call): Same.
1972 * tree-ssa-copy.c (init_copy_prop): Same.
1973 (fini_copy_prop): Same.
1974 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1975 of GGC_NEW and memset.
1977 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1980 * gimplify.c (gimplify_expr): Only force a load for references to
1981 non-BLKmode volatile values.
1982 * doc/implement-c.texi (Qualifiers implementation): Document the
1983 interpretation of what a volatile access is.
1984 * doc/extend.texi (C++ Extensions): Rework same documentation.
1986 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1988 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1991 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1993 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1995 (arm_neg_abssi2): Renamed from neg_abssi2.
1996 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1998 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
2000 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
2001 number of arguments passed to local functions in SSE registers is 3.
2003 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
2004 number of arguments passed in SSE registers to 3.
2006 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2009 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
2011 (get_last_bb_insn): ... new global function.
2012 (basic_block.h): Declare it.
2013 * haifa-sched.c (create_recovery_block): Use it.
2015 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
2018 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
2020 2006-11-15 Paul Brook <paul@codesourcery.com>
2022 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
2023 _Unwind_GetTextRelBase): Move from here ...
2024 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
2025 _Unwind_GetTextRelBase): ... To here.
2027 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2029 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
2030 addresses we generate for testing are aligned.
2032 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2035 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
2036 to what is the const decl is a place holder for.
2038 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
2040 * config/i386/i386.opt: New target option -mx87regparm.
2042 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
2043 and float_in_x87 variables. mmx_words, sse_words: Remove.
2044 (X87_REGPARM_MAX): Define.
2046 * config/i386/i386.c (override_options): Error out for
2047 -mx87regparm but no 80387 support.
2048 (ix86_attribute_table): Add x87regparm.
2049 (ix86_handle_cconv_attribute): Update comments for x87regparm.
2050 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
2051 (ix86_function_x87regparm): New function.
2052 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
2054 (init_cumulative_args): Initialize x87_nregs and float_in_x87
2056 (function_arg_advance): Process x87_nregs and x87_regno when
2057 floating point argument is to be passed in 80387 register.
2058 (function_arg): Pass XFmode arguments in 80387 registers for local
2059 functions. Pass SFmode and DFmode arguments to local functions
2060 in 80387 registers when flag_unsafe_math_optimizations is set.
2062 * reg-stack.c (convert_regs_entry): Disable NaN load for
2063 stack registers that are used for argument passing.
2065 * doc/extend.texi: Document x87regparm function attribute.
2066 * doc/invoke.texi: Document -mx87regparm.
2068 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2070 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
2071 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
2072 arg MODE; all callers changed. Use it to determine validity per
2073 machine mode instead of using Pmode for all memory references.
2074 (get_address_cost): Likewise add and use new arg MEM_MODE.
2076 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
2077 J"orn Rennecke <joern.rennecke@st.com>
2079 * combine.c (likely_spilled_retval_1): Fix masking operation.
2080 (likely_spilled_retval_p): Use proper pattern for call to
2081 likely_spilled_retval_1.
2083 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2085 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
2087 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
2088 that tests for CONSTANT_POOL_ADDRESS_P.
2090 2006-11-15 Jakub Jelinek <jakub@redhat.com>
2092 PR tree-optimization/29581
2093 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
2094 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
2095 type is different between Y and USE, create a temporary
2096 variable, initialize it at the beginning of the body bb
2097 and use it as replacement instead of Y.
2099 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
2102 * gimplify.c (fold_indirect_ref_rhs): Use
2103 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
2105 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
2107 * expmed.c (emit_store_flag_1): New function.
2108 (emit_store_flag): Call it. If we can't find a suitable scc insn,
2110 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
2111 Use do_compare_rtx_and_jump.
2112 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
2113 * arm.md (cstoresi4): New define_expand.
2114 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
2115 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
2116 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
2118 2006-11-14 Caroline Tice <ctice@apple.com>
2120 * dwarf2out.c (debug_pubtypes_section): New static global variable.
2121 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
2123 (pubname_table): Redefine as a vector.
2124 (pubtype_table): New static global variable, defined as a vector.
2125 (pubname_table_allocated): Remove static global variable.
2126 (pubname_table_in_use): Remove static global variable.
2127 (PUBNAME_TABLE_INCREMENT): Remove constant.
2128 (size_of_pubnames): Add parameter to deal with either pubnames or
2129 pubtypes, and change code to deal with table being a vector.
2130 (add_pubname): Change to deal with table being a vector.
2131 (add_pubtype): New function.
2132 (output_pubnames): Add parameter to deal with either pubnames or
2133 pubtypes, and change code to deal with table being a vector.
2134 (gen_array_type_die): Add call to add_pubtype.
2135 (gen_enumeration_type_die): Add call to add_pubtype.
2136 (gen_struct_or_union_type_die): Add call to add_pubtype.
2137 (gen_subroutine_type_die): Add call to add_pubtype.
2138 (gen_typedef_die): Add call to add_pubtype.
2139 (dwarf2out_init): Add code to initialize pubname_table and
2140 pubtype_table vectors; also initialize debug_pubtypes_section.
2141 (prune_unused_types): Change to deal with pubnames being a vector.
2142 (dwarf2out_finish): Change to deal with pubnames being a vector; add
2143 pubnames table to call to output_pubnames; Add code to output pubtypes
2144 table if DEBUG_PUBTYPES_SECTION is defined.
2145 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
2147 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
2149 2006-11-14 Joseph Myers <joseph@codesourcery.com>
2151 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
2152 iwmmxt_nregs if TARGET_IWMMXT_ABI.
2153 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
2154 movv2si_internal): Support moves between core registers.
2156 2006-11-14 Eric Christopher <echristo@apple.com>
2158 * configure: Regenerate with autoconf 2.59.
2160 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
2162 Fix PR tree-optimization/27755
2164 * tree-ssa-pre.c: Update comments.
2165 (bb_bitmap_sets): Add pa_in and deferred member.
2166 (BB_DEFERRED): New macro.
2167 (maximal_set): New variable.
2168 (pre_stats): Add pa_insert member.
2169 (bitmap_set_and): Short circuit orig == dest.
2170 (bitmap_set_subtract_values): New function.
2171 (bitmap_set_contains_expr): Ditto.
2172 (translate_vuses_through_block): Add phiblock argument.
2173 (dependent_clean): New function.
2174 (compute_antic_aux): Update for maximal_set changes.
2175 (compute_partial_antic_aux): New function.
2176 (compute_antic): Handle partial anticipation.
2177 (do_partial_partial_insertion): New function.
2178 (insert_aux): Handle partial anticipation.
2179 (add_to_sets): Add to maximal set.
2180 (compute_avail): Ditto.
2181 (init_pre): Initialize maximal_set.
2182 (execute_pre): Do partial anticipation if -O3+.
2184 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
2186 PR rtl-optimization/29798
2188 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
2189 TARGET_INSN before any other check.
2190 (fwprop_init): Always calculate dominators.
2191 (fwprop_done): Always free them.
2193 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2195 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
2198 2006-11-13 DJ Delorie <dj@redhat.com>
2200 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
2201 temporary for intermediates.
2203 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
2205 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
2206 (sh_optimize_target_register_callee_saved): #if 0 the code
2207 using NOTE_INSN_LOOP_{BEG,END}.
2209 2006-11-13 Roger Sayle <roger@eyesopen.com>
2211 * fold-const.c (optimize_bit_field_compare): Recursively call
2212 fold when simplifying non-constant comparisons between bit-fields.
2214 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2216 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
2218 * configure: Rebuilt.
2220 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
2222 * config/rs6000/cell.md: New file.
2223 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
2225 (ppccell_cost): New cost matrix.
2226 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
2227 (rs6000_override_options): Set rs6000_always_hint to false
2228 for cell. Also align functions/lables/loops to 8byte
2229 for the Cell. Use PROCESSOR_CELL.
2230 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
2231 using_mtcr_multiple.
2232 (rs6000_variable_issue): If the insn is a nonpipelined instruction
2233 on the Cell, return 0.
2234 (rs6000_adjust_cost): Add Cell cost adjustments.
2235 (is_microcoded_insn): Return true for Cell microcoded
2237 (is_nonpipeline_insn): New function.
2238 (rs6000_issue_rate): Add PROCESSOR_CELL.
2239 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
2241 (rs6000_use_sched_lookahead_guard): New function.
2242 (rs6000_sched_reorder): Reorder the ready list, if the second
2243 to last ready insn is a nonepipeline insn on the Cell.
2244 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
2245 (ASM_CPU_SPEC): Add Cell.
2246 * config/rs6000/rs6000.md (cpu): Add Cell.
2247 (cell_micro): New Attr.
2250 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2252 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
2254 * configure: Rebuilt.
2256 2006-11-13 Richard Guenther <rguenther@suse.de>
2258 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
2260 (ix86_expand_lfloorceil): Likewise.
2261 (ix86_expand_rint): Likewise.
2262 (ix86_expand_floorceildf_32): Likewise.
2263 (ix86_expand_floorceil): Likewise.
2264 (ix86_expand_rounddf_32): Likewise.
2265 (ix86_expand_truncdf_32): Likewise.
2266 (ix86_expand_round): Likewise.
2268 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
2269 Mark Mitchell <mark@codesourcery.com>
2271 * gcc.c: Organize search path variables into $prefix relative,
2272 and well-known native. Add comments.
2273 (add_sysrooted_prefix): Add comment.
2274 (process_command): If !gcc_exec_prefix add $prefix based paths.
2275 If *cross_compile == '0', add native well-known paths.
2276 Assert tooldir_base_prefix is always relative.
2277 (main): If print_search_dirs, and if gcc_exec_prefix is set,
2278 use this value for 'install:' path.
2279 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
2281 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2283 * config/i386/i386.c: Fix a typo in comment.
2285 2006-11-13 Michael Matz <matz@suse.de>
2287 * genemit.c (gen_expand): Allocate enough memory.
2289 2006-11-13 Joseph Myers <joseph@codesourcery.com>
2291 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
2292 __GXX_TYPEINFO_EQUALITY_INLINE but not
2293 __GXX_MERGED_TYPEINFO_NAMES.
2294 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
2295 __GXX_MERGED_TYPEINFO_NAMES.
2296 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
2297 __GXX_TYPEINFO_EQUALITY_INLINE.
2299 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2300 Zdenek Dvorak <dvorakz@suse.cz>
2302 PR tree-optimization/29680
2303 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
2306 2006-11-12 Jason Merrill <jason@redhat.com>
2307 Andrew Pinski <pinskia@physics.uc.edu>
2310 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
2312 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
2314 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
2315 * tree.c (build_vector): Handle non-_CST elements.
2317 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2319 * genemit.c (gen_insn): Call gen_exp with a non-null used
2320 when handling multiple insns.
2321 (gen_expand): Likewise.
2322 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2323 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
2324 (movsi_const_16bit+1): Copy operands[1].
2325 (call_pcrel): Copy the call_site pattern.
2326 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
2328 2006-11-12 Roger Sayle <roger@eyesopen.com>
2330 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
2331 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
2332 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
2333 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
2335 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
2337 Fix PR tree-optimization/29587
2338 * tree-ssa-structalias.c (process_constraint): Don't
2339 mark address taken due only to escaped vars constraint.
2341 2006-11-12 Michael Matz <matz@suse.de>
2342 Roger Sayle <roger@eyesopen.com>
2344 PR rtl-optimization/29797
2345 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
2346 BITS_BIG_ENDIAN targets.
2348 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2350 * builtins.c (fold_builtin_cosh): New.
2351 (fold_builtin_1): Use it.
2352 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
2353 trunc to the list of "odd" functions. Also add llrint, lrint,
2354 rint and nearbyint when flag_rounding_math is false.
2356 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2358 * tree-flow.h (name_mappings_registered_p): Declare.
2359 * tree-into-ssa.c (name_mappings_registered_p): New function.
2360 * tree-cfg.c (tree_can_merge_blocks_p): Check
2361 name_mappings_registered_p instead of need_ssa_update_p.
2363 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2365 * tree-ssa-loop.c (tree_vectorize): Return the result of
2367 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
2368 if anything changed.
2369 * tree-vectorizer.h (vectorize_loops): Declaration removed.
2370 * tree-flow.h (vectorize_loops): Declaration changed.
2372 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2374 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
2376 (issue_prefetch_ref): Move assignment to write_p out of loop.
2377 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
2378 SIMULTANEOUS_PREFETCHES into account.
2379 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
2380 * lambda-code.c (lcm): Renamed to ...
2381 (least_common_multiple): ... and exported.
2382 * tree-flow.h (least_common_multiple): Declare.
2384 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2386 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
2387 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
2388 ud-chains. Handle AND_EXPR.
2389 (record_estimate): Record whether the estimate is realistic
2390 and whether it is derived from a loop exit.
2391 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
2392 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
2394 (compute_estimated_nb_iterations): Take only realistic bounds into
2395 account. Set estimate_state. Use double_ints.
2396 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
2397 and infer_loop_bounds_from_signedness. Do not consider basic blocks
2398 that do not have to be always executed.
2399 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
2400 to determine whether to call infer_loop_bounds_from_undefined
2401 and compute_estimated_nb_iterations.
2402 (n_of_executions_at_most): Use double_ints.
2403 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
2404 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
2405 * double-int.c (double_int_to_tree): Improve comment.
2406 (double_int_fits_to_tree_p): New function.
2407 * double-int.h (double_int_fits_to_tree_p): Declare.
2408 * tree-data-ref.c: Include langhooks.h.
2409 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
2410 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
2411 (analyze_array): Do not pass estimate_only argument to
2412 analyze_array_indexes.
2413 (get_number_of_iters_for_loop): Build tree from the stored double_int
2415 (get_references_in_stmt, find_data_references_in_stmt): New functions.
2416 (find_data_references_in_loop): Use find_data_references_in_stmt.
2417 * tree-data-ref.h (struct data_ref_loc_d): New.
2418 (get_references_in_stmt): Declare.
2419 (estimate_iters_using_array): Declaration removed.
2420 * cfgloop.h (struct nb_iter_bound): Change type of bound to
2421 double_int. Improve comments. Add is_exit and realistic
2423 (struct loop): Changed type of estimated_nb_iterations to double_int.
2424 Added estimate_state field.
2425 (record_estimate): Declaration removed.
2427 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2429 * params.c (set_param_value): Initialize the "set" field.
2430 * params.h (struct param_info): Add "set" field.
2431 (PARAM_SET_P): New macro.
2432 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
2433 L1_CACHE_LINE_SIZE): New macros.
2434 * toplev.c (DEFPARAM): Initialize the "set" field.
2435 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
2436 SIMULTANEOUS_PREFETCHES): Removed.
2437 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
2438 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
2439 * config/sparc/sparc.c: Include params.h.
2440 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
2441 L1_CACHE_LINE_SIZE parameters.
2442 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2444 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2446 * config/i386/i386.c: Include params.h.
2447 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
2448 (override_options): Set SIMULTANEOUS_PREFETCHES and
2449 L1_CACHE_LINE_SIZE parameters.
2450 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
2451 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
2452 L1_CACHE_LINE_SIZE parameters.
2453 * config/ia64/ia64.c (ia64_optimization_options): Set
2454 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
2455 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
2457 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
2458 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
2459 * doc/invoke.texi: Document new params.
2461 2006-11-12 Roger Sayle <roger@eyesopen.com>
2463 PR tree-optimization/13827
2464 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
2467 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2469 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
2470 update_single_exit_for_duplicated_loops): New functions.
2471 (duplicate_loop_to_header_edge): Use
2472 update_single_exit_for_duplicated_loops.
2473 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
2474 functions only with ENABLE_CHECKING.
2476 2006-11-12 Andreas Schwab <schwab@suse.de>
2478 * except.c (sjlj_emit_function_enter): Remove unused variable.
2480 2006-11-11 Roger Sayle <roger@eyesopen.com>
2482 * fold-const.c (int_binop_types_match_p): New function.
2483 (size_binop): Relax constraint that both arguments must both have
2484 exactly the same sizetype type. Instead use int_binop_types_match_p.
2485 (size_diffop): Likewise.
2487 (make_range): Use build_int_cst instead of fold_convert.
2488 (fold_cond_expr_with_comparison): Use build_int_cst to construct
2489 integer constants of the correct type.
2490 (fold_div_compare): Likewise.
2491 (fold_single_bit_test): Likewise.
2492 (fold_binary): Likewise.
2493 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
2494 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
2496 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2499 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
2500 non null value if the struct memory access is in the 0th
2503 2006-11-12 Jie Zhang <jie.zhang@analog.com>
2506 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2507 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2510 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
2511 instead of builtin_define for bfin and BFIN.
2513 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2515 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2518 2006-11-11 Jan Hubicka <jh@suse.cz>
2520 * extend.texi (__builtin_expect): We no longer require second argument
2522 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
2523 * builtins.c (expand_builtin_expect): Simplify.
2524 (expand_builtin_expect_jump): Kill.
2525 * final.c (final_scan_insn): Do not skip the removed notes.
2526 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
2527 EXPECTED_VALUE): Remove.
2528 * dojump.c (do_jump): Do not care about __builtin_expect.
2529 * predict.c (expected_value_to_br_prob): Kill.
2530 * function.c (expand_function_end): Do not expand
2531 NOTE_INSN_REPEATED_LINE_NUMBER.
2532 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
2533 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
2534 * cfgexpand.c (add_reg_br_prob_note): Export.
2535 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2536 expected_value_to_br_prob.
2537 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
2538 * rtl.h (add_reg_br_prob_note): Declare.
2540 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2542 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2544 2006-11-11 Jan Hubicka <jh@suse.cz>
2546 * predict.c (predict_loops): Kill RTL variant.
2548 2006-11-11 Jan Hubicka <jh@suse.cz>
2550 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
2551 * modulo-sched.c (find_line_note): Remove.
2552 (loop_canon_p): Do not worry about line number notes.
2553 (sms_schedule): Likewise.
2554 * cse.c (cse_main): Likewise.
2555 * regmove.c (fixup_match_1): Likewise
2556 * function.c (emit_return_info_block): Likewise.
2557 (expand_function_end): Likewise.
2558 (thread_prologue_an_epilogue_insns): Likewise.
2559 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2561 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2562 emit_note_copy_after): Kill.
2563 (emit_note_copy): Do not worry about line numbers.
2564 * jump.c (purge_line_number_notes): Kill.
2565 (pass_purge_lineno_notes): Kill.
2566 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2568 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2569 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2570 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2571 * tree-pass.h (pass_purge_lineno_notes): Kill.
2572 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2573 rm_redundant_line_notes.
2574 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2575 rm_redundant_line_notes.
2576 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2577 * haifa-sched.c: Update comment about handling notes.
2578 (unlink_line_notes): Kill.
2579 (rm_line_notes): Kill.
2580 (save_line_notes): Simplify.
2581 (rm_redundant_line_notes): Kill.
2583 2006-11-11 Richard Guenther <rguenther@suse.de>
2585 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2586 Remove unused tree codes.
2587 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2588 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2589 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2590 * tree.c (stabilize_reference): Likewise.
2591 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2592 fold_unary): Likewise.
2593 * tree-gimple.c (is_gimple_cast): Likewise.
2594 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2595 * expr.c (expand_expr_real_1): Likewise.
2596 * tree-eh.c (tree_could_trap_p): Likewise.
2597 * gimplify.c (gimplify_expr): Likewise.
2598 * tree-inline.c (estimate_num_insns_1): Likewise.
2599 * tree-cfg.c (verify_expr): Likewise.
2601 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2603 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2604 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2605 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2607 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2610 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2611 constraints accept neither registers or memories.
2613 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2615 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2616 (NO_PROFILE_COUNTERS): Define as 1.
2618 2006-11-10 Roger Sayle <roger@eyesopen.com>
2620 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2621 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2623 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2625 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2627 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2629 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2630 (fold_builtin_hypot): Likewise.
2631 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2633 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2635 2006-11-10 Roger Sayle <roger@eyesopen.com>
2637 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2638 when attempting to build INTEGER_CSTs of non-integral types.
2639 * expmed.c (make_tree): Use the correct type, i.e. the inner
2640 type, when constructing the individual elements of a CONST_VECTOR.
2642 2006-11-10 Jan Hubicka <jh@suse.cz>
2644 * cse.c (cse_process_notes): Copy the propagated value.
2645 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2647 * gcse.c (try_replace_reg): Copy the replacement.
2648 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2649 (assign_386_stack_local): Always return copied memory expression
2650 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2653 2006-11-10 Jan Hubicka <jh@suse.cz>
2655 * final.c (final): Walk from first instruction.
2656 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2658 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2661 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2663 (umulv8hi3_highpart): Ditto.
2664 (vec_widen_smult_hi_v8hi): New expander.
2665 (vec_widen_smult_lo_v8hi): Ditto.
2667 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2670 * builtins.c (do_mpfr_arg3): New.
2671 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2673 2006-11-09 Eric Christopher <echristo@apple.com>
2678 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2679 * config.gcc (powerpc64-*-darwin*): New target.
2680 * config.host: Ditto.
2681 * config/rs6000/darwin64.h: New file.
2682 * config/rs6000/x-darwin64: Ditto.
2683 * config/rs6000/host-ppc64-darwin.c: Ditto.
2685 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2687 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2688 routines for integer division.
2690 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2692 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2694 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2697 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2699 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2701 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2702 simplify_subreg with BLKmode outer mode.
2704 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2706 * doc/invoke.texi: Minor formatting fixes in option lists.
2708 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2710 PR tree-optimization/29738
2711 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2712 (ccp_lattice_t): Remove UNKNOWN_VAL.
2713 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2714 Do not handle UNKNOWN_VAL.
2715 (get_default_value): Set initial value of virtual operands to
2717 (get_value): Always use get_default_value on uninitialized
2719 (set_value_varying, surely_varying_stmt_p): New functions.
2720 (set_lattice_value): Do not pass argument to get_value.
2721 Do not handle UNKNOWN_VAL.
2722 (likely_value): Follow the semantics described in the comment.
2723 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2724 phi nodes DONT_SIMULATE_AGAIN.
2725 (ccp_fold): Do not pass argument to get_value.
2726 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2729 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2731 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2732 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2734 2006-11-08 Roger Sayle <roger@eyesopen.com>
2736 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2737 test for inclusion rather than as a test for exclusion.
2738 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2739 the condition after calling fold_binary.
2740 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2741 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2742 * builtins.c (fold_builtin_isascii): Likewise.
2743 (fold_builtin_isdigit): Likewise.
2745 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2747 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2748 * configure: Regenerate.
2750 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2752 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2753 enum argument instead of bool.
2754 (vect_analyze_operations): Call vectorizable_type_promotion.
2755 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2756 stmt_vec_info_type value.
2757 (supportable_widening_operation, vectorizable_type_promotion): New
2758 function declarations.
2759 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2760 (vectorizable_type_promotion): New function.
2761 (vect_transform_stmt): Call vectorizable_type_promotion.
2762 * tree-vect-analyze.c (supportable_widening_operation): New function.
2763 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2765 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2768 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2769 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2770 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2772 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2773 * expr.c (expand_expr_real_1): Likewise.
2774 * optabs.c (optab_for_tree_code): Likewise.
2775 (init_optabs): Initialize new optabs.
2776 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2777 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2778 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2779 vec_unpacku_lo_optab): Initialize new optabs.
2780 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2781 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2782 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2784 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2785 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2786 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2787 (vec_unpacku_lo_optab): New optabs.
2788 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2789 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2790 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2791 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2792 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2793 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2795 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2796 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2797 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2798 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2799 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2800 implement the unsigned unpacking patterns.
2801 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2802 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2803 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2804 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2805 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2806 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2807 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2808 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2809 multiplication patterns.
2811 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2812 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2813 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2814 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2815 (rs6000_builtin_mul_widen_odd): New.
2816 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2817 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2818 * tree-vectorizer.h (enum vect_relevant): New enum type.
2819 (_stmt_vec_info): Field relevant chaned from bool to enum
2821 (STMT_VINFO_RELEVANT_P): Updated.
2822 (STMT_VINFO_RELEVANT): New.
2823 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2824 instead of STMT_VINFO_RELEVANT_P.
2825 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2826 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2827 and boolean variable with enum vect_relevant.
2828 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2829 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2830 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2832 2006-11-08 Richard Henderson <rth@redhat.com>
2834 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2835 vec_widen_umult_lo_v8hi): New.
2836 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2837 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2839 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2840 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2841 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2842 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2843 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2844 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2845 vec_unpacks_lo_v4si): New.
2847 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2849 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2850 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2851 (vect_analyze_operations): Call vectorizable_type_demotion.
2852 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2853 stmt_vec_info_type value.
2854 (vectorizable_type_demotion): New function declaration.
2855 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2858 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2859 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2861 * tree-iniline.c (estimate_num_insns_1): Likewise.
2862 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2863 * optabs.c (optab_for_tree_code): Likewise.
2865 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2866 compared against the predicate of the result is not 'mode' (the input
2867 to the function) but a mode with half the size of 'mode'.
2868 (init_optab): Initialize new optabs.
2869 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2871 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2873 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2874 (vec_pack_usat_optab): Initialize new optabs.
2875 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2876 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2878 2006-11-08 Richard Henderson <rth@redehat.com>
2880 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2881 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2882 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2883 (vec_interleave_highv4si, vec_interleave_lowv4si):
2884 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2886 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2888 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2890 (vect_transform_stmt): Removed redundant code.
2892 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2894 * tree-vect-transform.c (vectorizable_operation): Support multiple
2897 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2899 * tree-vect-transform.c (vect_align_data_ref): Removed.
2900 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2901 Updated function documentation. Return the increment stmt in ptr_incr.
2902 (bump_vector_ptr): New function.
2903 (vect_get_vec_def_for_stmt_copy): New function.
2904 (vect_finish_stmt_generation): Create a stmt_info to newly created
2906 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2908 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2909 VF is greater than the number of elements that can fit in one vector
2911 (vectorizable_operation, vectorizable_condition): Likewise.
2912 (vectorizable_store, vectorizable_load): Support the case that the VF
2913 is greater than the number of elements that can fit in one vector word.
2914 (vect_transform_loop): Don't fail in case of multiple data-types.
2915 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2916 in case of multiple data-types; the smallest type determines the VF.
2917 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2918 if they are of different sizes.
2919 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2920 number of elements rather than number of bytes.
2921 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2922 (vect_can_advance_ivs_p): Fix a dump printout
2924 2006-11-07 Eric Christopher <echristo@apple.com>
2926 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2927 (__bswapsi2): Ditto.
2928 * libgcc2.h: Remove transformation of bswap routines.
2929 * config/i386/i386.md (bswapsi2): New.
2932 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2934 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2935 (handle_gnu_inline_attribute): New function.
2936 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2937 (merge_decls, start_decl, start_function): Likewise.
2938 * doc/extend.texi: Document gnu_inline attribute.
2940 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2943 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2944 _fixunstfdi, and _floatditf
2946 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2948 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2950 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2951 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2952 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2953 which start in an odd register.
2955 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2957 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2959 2006-11-07 Josh Conner <jconner@apple.com>
2961 * doc/invoke.texi (fstrict-aliasing): Move implementation
2963 * doc/tree-ssa.texi (Alias analysis): ...here.
2965 2006-11-07 Richard Guenther <rguenther@suse.de>
2967 PR tree-optimization/29610
2968 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2969 of tree_purge_dead_eh_edges as it may free dominators.
2971 * g++.dg/other/pr29610.C: New testcase.
2973 2006-11-07 David Ung <davidu@mips.com>
2975 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2976 costs when optimizing for size.
2977 (override_options): Use mips_rtx_cost_optimize_size table for cost
2980 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2982 * gcc.c (process_command): Treat -b as normal switch if its argument
2985 2006-11-07 David Ung <davidu@mips.com>
2987 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2990 2006-11-06 Eric Christopher <echristo@apple.com>
2992 * config.gcc: Add x86_64-darwin host support.
2993 * config.host: Ditto.
2994 * config/i386/darwin64.h: New file.
2995 * config/i386/t-darwin64: Ditto.
2997 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2999 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
3000 and output-exists-not.
3002 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3005 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
3006 checking for overflow.
3008 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
3010 * configure.ac: Fixed typo in case statement: :: changed to ;;
3012 2006-11-06 Bob Wilson <bob.wilson@acm.org>
3014 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
3015 count_leading_zeros, and count_trailing_zeros.
3016 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
3017 (TARGET_FOLD_BUILTIN): Define.
3018 (TARGET_EXPAND_BUILTIN): Define.
3019 (xtensa_init_builtins): New.
3020 (xtensa_fold_builtin): New.
3021 (xtensa_expand_builtin): New.
3022 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
3023 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
3024 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
3025 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
3026 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
3027 (any_extend): New code macro.
3028 (u, su): New code attributes.
3029 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
3030 (nsau): Remove; replaced by clzsi2.
3031 (ffssi2): Use clzsi2.
3032 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
3033 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
3034 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
3035 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
3036 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
3038 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
3040 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
3042 * config/arm/t-strongarm-elf: Likewise.
3043 * config/arm/t-pe: Likewise.
3044 * config/arm/t-arm-elf: Likewise.
3045 * config/arm/t-xscale-elf: Likewise.
3046 * config/arm/t-arm-coff: Likewise.
3047 * config/arm/t-xscale-coff: Likewise.
3048 * config/arm/t-wince-pe: Likewise.
3050 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
3052 * config/sh/lib1funcs-4-300.asm: Guard entire file with
3055 2006-11-05 Jakub Jelinek <jakub@redhat.com>
3058 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
3061 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3064 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
3065 as a valid 80387 constant.
3066 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
3067 * config/i386/i386.md (unnamed splitter): Split the load of
3068 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
3071 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
3073 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
3074 from the soft-frame, argument and virtual registers.
3076 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3078 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
3079 patterns for standard 80387 constants.
3081 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
3082 Steven Bosscher <steven@gcc.gnu.org>
3084 * fwprop.c: New file.
3085 * Makefile.in: Add fwprop.o.
3086 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
3087 * passes.c (init_optimization_passes): Schedule forward propagation.
3088 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
3090 * timevar.def (TV_FWPROP): New.
3091 * common.opt (-fforward-propagate): New.
3092 * opts.c (decode_options): Enable forward propagation at -O2.
3093 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
3094 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
3095 canon_for_address, table_size): Remove.
3096 (new_basic_block, insert, remove_from_table): Remove references to
3098 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
3099 simplification loop more straightforward by not calling fold_rtx
3101 (equiv_constant): Move here a small part of fold_rtx_subreg,
3102 do not call fold_rtx. Call avoid_constant_pool_reference
3104 * recog.h (canonicalize_change_group): New.
3106 * doc/invoke.texi (Optimization Options): Document fwprop.
3107 * doc/passes.texi (RTL passes): Document fwprop.
3109 2006-11-03 Geoffrey Keating <geoffk@apple.com>
3111 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
3112 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
3113 (grokdeclarator): Likewise.
3115 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
3117 * tree-dump.c (dump_enable_all): Rename local variable
3118 ir_type to avoid name conflicts.
3119 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
3120 instead of using ir_type().
3121 * profile.c (tree_register_profile_hooks): Likewise.
3122 * value-prof.c (tree_register_value_prof_hooks): Likewise.
3123 * basic-block.h (struct edge_def): Likewise.
3124 * config/arm/arm.c (legitimize_pic_address): Likewise.
3125 * coretypes.h (ir_type): New enum of all intermediate languages
3127 * cfghooks.c (ir_type): Rename to...
3128 (current_ir_type): ...this. Distinguish between cfgrtl and
3129 cfglayout mode when the current IR is RTL. Return enum ir_type.
3130 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
3132 2006-11-03 Paul Brook <paul@codesourcery.com>
3134 * config/arm/arm.c (arm_file_start): New function.
3135 (TARGET_ASM_FILE_START): Define.
3136 (arm_default_cpu): New variable.
3137 (arm_override_options): Set arm_default_cpu.
3139 2006-11-03 David Ung <davidu@mips.com>
3141 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
3142 PROCESSOR_24KC and PROCESSOR_24KF.
3143 * config/mips/mips.c (mips_cpu_info_table): Add processor names
3144 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
3145 (mips_rtx_cost_data): Add costs for the 24kc.
3146 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
3147 * config/mips/24k.md: Remove references to 24k and replace with
3148 uses of 24kc/24kf in the appropriate reservations.
3149 * doc/invoke.texi (MIPS Options): Updated.
3151 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
3153 * config/sh/crt1.asm: Fix #ifdef indent.
3155 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
3156 Merged from STMicroelectronics sources:
3157 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
3158 * config/sh/crt1.asm (vbr_600): Add missing #if.
3159 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
3160 * sh.opt (mfused-madd): New option.
3161 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
3162 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3163 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
3164 Remove pointless handler at VBR+0.
3165 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
3166 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
3167 fr7. Make sure the timer handler is called with the correct FPU
3168 precision setting, according to the ABI.
3169 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
3170 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
3171 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
3172 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
3173 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
3174 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
3175 zero as second operand.
3176 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
3177 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
3178 Fixed some bugs related to negative values, in particular -0
3179 and overflow at -0x80000000.
3180 * config/sh/divcost-analysis: Added sh4-300 figures.
3181 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
3182 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
3183 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
3184 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
3185 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
3186 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
3188 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
3190 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
3191 SH4-300 scheduling description & fixes to SH4-[12]00 description:
3192 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
3193 mac_mem, mem_mac, dfp_mul, fp_cmp.
3194 (insn_class, dfp_comp, any_fp_comp): Update.
3195 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
3196 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
3197 (muldf3_i): Likewise.
3198 (movsi_i): Split rI08 alternative into two separate alternatives.
3200 (movsi_ie, movsi_i_lowpart): Likewise.
3201 (movqi_i): Split ri alternative into two separate alternatives.
3203 * sh1.md (sh1_load_store, sh1_fp): Update.
3204 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
3205 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
3206 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
3207 (sh4a_fp_double_arith): Likewise.
3208 * sh4-300.md: New file.
3209 * sh.c (sh_handle_option): Handle m4-300* options.
3210 (sh_adjust_cost): Fix latency of auto-increments.
3211 Handle SH4-300 differently than other SH4s. Check for new insn types.
3212 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
3213 been set by an option.
3214 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
3215 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
3216 (mbranch-cost=): Likewise.
3217 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
3219 * sh.md (mulsf3): Remove special expansion code.
3220 (mulsf3_ie): Now a define_insn_and_split.
3221 (macsf3): Allow for TARGET_SH4.
3223 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
3224 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
3225 (expand_cbranchdi4): Likewise.
3226 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
3227 CONST_DOUBLE if the outer code is COMPARE.
3228 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
3229 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
3230 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
3231 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
3232 Remove redundant fp_{zero,one}_operand checks.
3233 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
3234 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
3235 (expand_cbranchdi4): Likewise.
3236 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
3237 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
3239 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
3241 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
3244 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
3246 * doc/invoke.texi: Fix mfp-trap-mode typo.
3248 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
3250 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
3251 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
3252 file_end_indicate_exec_stack.
3253 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
3255 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
3256 for a non-executable stack.
3257 * crti.asm: Likewise.
3258 * crtn.asm: Likewise.
3259 * libunwind.S: Likewise.
3261 2006-11-02 Ben Elliston <bje@au.ibm.com>
3263 * tree-ssa.c (warn_uninit): Use expand_location variables for
3264 locus and declaration locus.
3266 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
3269 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
3270 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
3271 cmp{eq,gt,gtu}{si,di}_media.
3272 (*cmpne0si_media): Remove.
3273 (*movsicc_umin): Adjust gen_cmp*_media call.
3274 (unordered): Change the mode of unordered and operands[1] to
3276 (seq): Adjust gen_cmp*_media calls. Make the mode of
3277 a temporary result of compare SImode if needed. If the mode
3278 of operands[0] is DImode, extend the temporary result to DImode.
3279 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
3280 (sunorderd): Change the mode of match_operand and unorderd to
3282 (cmpeq{sf,df}_media): Remove.
3283 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
3284 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
3285 and compare operation to SImode.
3287 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
3289 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
3291 (sparc64-sun-solaris2*): Likewise.
3293 2006-11-02 Paul Brook <paul@codesourcery.com>
3295 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
3296 from priority argument. Use different section for non-default
3298 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
3300 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
3303 * except.c (switch_to_exception_section): Do not cache the section
3304 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3305 and flag_function_sections is set.
3307 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3310 * builtins.c (do_mpfr_sincos): New.
3311 (fold_builtin_1): Use it to fold builtin sincos.
3313 2006-11-01 Roger Sayle <roger@eyesopen.com>
3315 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
3316 it into -D_REENTRANT.
3318 2006-11-01 Roger Sayle <roger@eyesopen.com>
3320 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
3321 whether the assembler supports taking the difference of symbols in
3322 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
3323 * configure: Regenerate.
3324 * config.in: Regenerate.
3325 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
3326 the assembler doesn't support taking the difference of symbols in
3327 different sections, i.e. we're using the native solaris assembler.
3329 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
3330 Peter Bergner <bergner@vnet.ibm.com>
3332 * doc/invoke.texi: Add cpu_type power6x
3333 (RS/6000 and PowerPC Options): Add -mmfpgpr.
3334 * config.gcc: Add cpu_type power6x.
3335 * configure.ac: Add test for mf{t,f}gpr instructions.
3336 (HAVE_AS_MFPGPR): New.
3337 * config.in: Regenerate.
3338 * configure: Regenerate.
3339 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
3340 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
3341 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
3342 and mftgpr attributes.
3343 (define_attr "cpu"): Add power6.
3344 Change instruction sequences to use new attributes.
3345 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
3346 (fix_truncdfsi2_mfpgpr): New.
3347 (floatsidf_ppc64_mfpgpr): New.
3348 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
3349 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
3350 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
3351 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
3352 (fix_truncdfsi2): Use gpc_reg_operand constraint.
3353 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
3354 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
3355 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
3356 cntlz,exts and var_delayed_compare.
3357 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3358 _ARCH_PWR6X, if features enabled.
3359 * config/rs6000/rs6000.opt (mmfpgpr): New.
3360 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
3361 (cached_can_issue_more): New variable.
3362 (processor_costs): Add power6_cost.
3363 (rs6000_sched_init): New function.
3364 (is_dispatch_slot_restricted): Deleted.
3365 (set_to_load_agen): New function.
3366 (is_load_insn,is_store_insn): New functions.
3367 (adjacent_mem_locations): New function.
3368 (insn_must_be_first_in_group): New function.
3369 (insn_must_be_last_in_group): New function.
3370 (rs6000_sched_reorder): New function.
3371 (rs6000_sched_reorder2): New function.
3372 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
3373 TARGET_SCHED_REORDER2): Define.
3374 (processor_target_table): Use PROCESSOR_POWER6 for power6.
3375 Add power6x. Add MASK_MFPGPR for power6x.
3376 (POWERPC_MASKS): Add MASK_MFPGPR.
3377 (rs6000_override_options): Set rs6000_always_hint to false
3378 for power6. Set rs6000_align_branch_targets. Replace
3379 rs6000_sched_groups check with rs6000_align_branch_targets.
3380 Use PROCESSOR_POWER6.
3381 (last_scheduled_insn): New variable.
3382 (load_store_pendulum): New variable.
3383 (rs6000_variable_issue): Set last_scheduled_insn and
3384 cached_can_issue_more.
3385 (rs6000_adjust_cost): Add power6 cost adjustments.
3386 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
3387 with insn_must_be_first_in_group. Add power6 priority adjustments.
3388 (rs6000_issue_rate): Add CPU_POWER6.
3389 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
3390 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
3391 (TARGET_MFPGPR): New.
3392 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
3393 (ASM_CPU_SPEC): Add power6x.
3394 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
3396 * config/rs6000/power6.md: New file.
3398 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
3400 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3401 HOST_WIDE_INT_PRINT to print high and low parts. Use
3402 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
3403 printing a hexadecimal number prefix it with 0x.
3405 2006-11-01 Chris Johns <chris@contemporary.net.au>
3408 * Makefile.in (install-driver): Use exeext when installing
3409 $target-gcc-$version.
3411 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
3413 * c-common.c (flag_cpp0x): New.
3414 * c-common.h (flag_cpp0x): New.
3415 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
3416 supported, define __GXX_EXPERIMENTAL_CPP0X__.
3417 * c-opts.c (set_std_cxx0x): New.
3418 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
3419 * c.opt (std=c++0x): Document.
3420 (std=gnu++0x): Ditto.
3421 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
3422 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
3424 2006-11-01 Richard Guenther <rguenther@suse.de>
3426 * config/i386/i386.c (ix86_expand_rint): Fix issues with
3428 (ix86_expand_floorceildf_32): Likewise.
3429 (ix86_expand_floorceil): Likewise.
3430 (ix86_expand_trunc): Likewise.
3432 2006-10-31 Andrew Pinski <pinskia@gmail.com>
3434 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
3437 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
3439 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
3441 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
3443 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
3445 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
3446 * configure.ac (use_cxa_atexit): As a special case, don't test
3447 for libc definition of __cxa_atexit on mingw32
3448 * configure: Regenerate.
3449 * config.gcc (i[34567]86-pc-mingw32): Default to
3450 enable__cxa_atexit=yes.
3452 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3454 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
3456 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3459 * c-decl.c (start_struct): Don't create self-containing
3461 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3463 * config/rs6000/rs6000-protos.h
3464 (darwin_rs6000_special_round_type_align): New.
3465 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
3466 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
3468 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3470 * toplev.c (compile_file): Call final_write_globals
3471 even if there have been errors.
3473 2006-10-31 Eric Christopher <echristo@apple.com>
3474 Falk Hueffner <falk@debian.org>
3476 * doc/extend.texi (__builtin_bswap32): Document.
3477 (__builtin_bswap64): Ditto.
3478 * doc/libgcc.texi (bswapsi2): Document.
3480 * doc/rtl.texi (bswap): Document.
3481 * optabs.c (expand_unop): Don't widen a bswap.
3482 (init_optabs): Init bswap. Set libfuncs explicitly
3483 for bswapsi2 and bswapdi2.
3484 * optabs.h (OTI_bswap): New.
3485 (bswap_optab): Ditto.
3486 * genopinit.c (optabs): Handle bswap_optab.
3487 * tree.h (tree_index): Add TI_UINT32_TYPE and
3489 (uint32_type_node): New.
3490 (uint64_type_node): Ditto.
3491 * tree.c (build_common_tree_nodes_2): Initialize
3492 uint32_type_node and uint64_type_node.
3493 * builtins.c (expand_builtin_bswap): New.
3494 (expand_builtin): Call.
3495 (fold_builtin_bswap): New.
3496 (fold_builtin_1): Call.
3497 * fold-const.c (tree_expr_nonnegative_p): Return true
3499 * builtin-types.def (BT_UINT32): New.
3501 (BT_FN_UINT32_UINT32): Ditto.
3502 (BT_FN_UINT64_UINT64): Ditto.
3503 * builtins.def (BUILT_IN_BSWAP32): New.
3504 (BUILT_IN_BSWAP64): Ditto.
3505 * rtl.def (BSWAP): New.
3506 * genattrtab.c (check_attr_value): New.
3507 * libgcc2.c (__bswapSI2): New.
3508 (__bswapDI2): Ditto.
3509 * libgcc2.h (__bswapSI2): Declare.
3510 (__bswapDI2): Ditto.
3511 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
3512 * simplify-rtx.c (simplify_const_unary_operation): Return
3514 * libgcc-std.ver (__bwapsi2): Add.
3515 (__bswapdi2): Ditto.
3516 * reload1.c (eliminate_regs_1): Add bswap.
3517 (elimination_effects): Ditto.
3518 * config/i386/i386.h (x86_bswap): New.
3519 (TARGET_BSWAP): Use.
3520 * config/i386/i386.c (x86_bswap): Set.
3522 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3524 * coverage.c (coverage_checksum_string): Update comment.
3525 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
3526 of get_file_function_name.
3527 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
3528 of get_file_function_name_long.
3529 * tree.c (get_file_function_name): Rename from
3530 get_file_function_name_long; improve comment; handle 'I' and 'D'
3531 specially when the target has ctor/dtor support; remove special
3533 (get_file_function_name): Remove.
3534 * tree.h (get_file_function_name): Rename from
3535 get_file_function_name_long.
3536 (get_file_function_name): Remove prototype.
3538 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3540 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
3541 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3543 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
3544 Call dsymutil when compiling and linking one or more source files
3547 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3550 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
3552 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3554 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3555 inline static functions in c99 mode.
3558 * doc/extend.texi (Inline): Update.
3559 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3560 * c-decl.c (current_extern_inline): Delete.
3561 (pop_scope): Adjust test for an undefined nested function.
3562 Add warning about undeclared inline function.
3563 (diagnose_mismatched_decls): Update comments. Disallow overriding
3564 of inline functions in a translation unit in C99. Allow inline
3565 declarations in C99 at any time.
3566 (merge_decls): Boolize variables. Handle C99 'extern inline'
3568 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3569 C99 inline semantics.
3570 (start_function): Don't clear current_extern_inline. Don't set
3572 (c_push_function_context): Don't push current_extern_inline.
3573 (c_pop_function_context): Don't restore current_extern_inline.
3576 * c-typeck.c (build_external_ref): Warn about static variables
3577 used in extern inline functions.
3578 * c-decl.c (start_decl): Warn about static variables declared
3579 in extern inline functions.
3581 2006-10-31 Roger Sayle <roger@eyesopen.com>
3584 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3585 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3586 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3587 or y is an even integer.
3589 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3592 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3593 * gthr-posix95.h (__gthread_active_p): Likewise.
3595 2006-10-31 Richard Guenther <rguenther@suse.de>
3597 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3598 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3599 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3600 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3601 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3602 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3603 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3604 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3607 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3609 * opts.c (decode_options): Disable CSE skip blocks.
3611 2006-10-30 Dirk Mueller <dmueller@suse.de>
3613 * c-common.h (strict_aliasing_warning): Fix whitespace.
3614 * c-decl (start_function): Move code for main decl warning ..
3615 * c-common.c (check_main_parameter_types): .. here.
3616 * c-common.h (check_main_parameter_types): Declare.
3618 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3621 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3623 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3625 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3626 be a PARALLEL containing sets. Return false when out_pat is not
3629 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3631 * config/mips/mips.md (mul<mode>3): Split into...
3632 (mulsi3, muldi3): ...these separate patterns.
3634 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3636 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3637 but with each set of options separated by spaces.
3639 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3641 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3642 dwarf_reg_size_table has been initialized.
3644 2006-10-30 Roger Sayle <roger@eyesopen.com>
3646 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3647 * ddg.c (print_ddg_edge): Likewise.
3648 * dwarf2out.c (prune_unused_types_walk): Likewise.
3649 * ifcvt.c (noce_try_cmove_arith): Likewise.
3650 * langhooks.c (add_builtin_function): Likewise.
3651 * reg-stack.c (subst_stack_regs_pat): Likewise.
3652 * tree.c (expanded_location): Likewise.
3653 * tree-dump.c (dequeue_and_dump): Likewise.
3655 2006-10-30 David Daney <ddaney@avtrex.com>
3657 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3659 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3661 PR tree-optimization/29637
3662 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3663 of the innertype is the innertype itself.
3665 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3667 * dwarf2out.c (file_name_acquire): Correct typo.
3669 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3671 * tree.h (tree_value_handle): Remove struct value_set declaration.
3672 Change value_set to bitmap_set.
3673 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3674 * tree-vn.c (get_value_handle): Made inline and moved to
3676 * tree-flow-inline.h: (has_stmt_ann): New function.
3677 * tree-ssa-pre.c (expressions): New variable.
3678 (next_expression_id): Ditto.
3679 (alloc_expression_id): New function.
3680 (struct value_set): Remove.
3681 (get_expression_id): New function.
3682 (get_or_alloc_expression_id): Ditto.
3683 (expression_for_id): Ditto.
3684 (clear_expression_ids): Ditto.
3685 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3686 (bb_value_sets): Renamed to bb_bitmap_sets.
3687 All value sets replaced with bitmap_sets.
3689 (BB_VISITED): New macro.
3690 (postorder): New variable.
3691 (add_to_value): Removed.
3692 (value_exists_in_set_bitmap): Ditto.
3693 (value_insert_into_set_bitmap): Ditto.
3696 (set_remove): Ditto.
3697 (set_contains_value): Ditto.
3698 (insert_into_set): Ditto.
3700 (find_leader): Ditto.
3701 (bitmap_set_subtract_from_value_set): Ditto.
3702 (value_insert_into_set): Ditto.
3703 (print_value_set): Ditto.
3704 (debug_value_set): Ditto.
3705 (constant_expr_p): New function.
3706 (bitmap_remove_from_set): Ditto.
3707 (bitmap_insert_into_set): Ditto.
3708 (bitmap_set_free): Ditto.
3709 (vh_compare): Ditto.
3710 (sorted_array_from_bitmap_set): Ditto.
3711 (bitmap_set_subtract): Ditto.
3712 (bitmap_set_equal): Ditto.
3713 (debug_bitmap_set): Ditto.
3714 (find_leader_in_sets): Ditto.
3715 (bitmap_set_replace_value): Modify for bitmapped sets.
3716 (phi_translate): Ditto.
3717 (phi_translate_set): Ditto.
3718 (bitmap_find_leader): Ditto.
3719 (valid_in_sets): Ditto.
3720 (union_contains_value): Ditto.
3722 (compute_antic_aux): Ditto. Mark changed blocks.
3723 (compute_antic): Ditto. Iterate in postorder and only over
3725 (compute_rvuse_and_antic_safe): Reuse postorder.
3726 (create_component_ref_by_pieces): Modify for bitmapped sets.
3727 (find_or_generate_expression): Ditto.
3728 (create_expression_by_pieces): Ditto.
3729 (insert_into_preds_of_block): Ditto.
3730 (changed_blocks): New variable.
3731 (do_regular_insertion): Broken out from insert_aux.
3732 (insert_aux): Modified for bitmapped sets.
3733 (find_existing_value_expr): New function.
3734 (create_value_expr_from): Use it.
3735 (insert_extra_phis): Removed.
3736 (print_bitmap_set): Renamed from bitmap_print_value_set.
3737 (compute_avail): Handle RETURN_EXPR.
3738 (init_pre): Modify for bitmapped sets.
3739 * tree-flow.h (has_stmt_ann): New function.
3741 2006-10-29 Roger Sayle <roger@eyesopen.com>
3743 * builtins.c (fold_builtin_floor): Check for the availability of
3744 the C99 trunc function before transforming floor into trunc.
3746 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3748 * builtins.c (fold_builtin_hypot): Rearrange recursive
3749 transformation before others, and also do ABS_EXPR. When
3750 necessary, check flag_unsafe_math_optimizations. When necessary,
3753 2006-10-29 Roger Sayle <roger@eyesopen.com>
3755 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3756 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3757 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3758 Fold -X eq/ne -Y as X eq/ne Y.
3760 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3762 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3763 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3764 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3765 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3766 Use an inclusive test for "mult" rather than "mul".
3767 (rotr<mode>3): Depend on ISA_HAS_ROR.
3768 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3770 (GENERATE_MULT3_DI): Delete.
3771 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3772 (ISA_HAS_MUL3): New macro.
3773 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3774 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3775 (ISA_HAS_CLZ_CLO): Likewise.
3776 (ISA_HAS_DCLZ_DCLO): Delete.
3777 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3778 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3779 the VR4120 and VR4130.
3780 (ISA_HAS_MACCHI): Use consistent formatting.
3781 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3782 (ISA_HAS_ROR): ...this new macro.
3783 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3784 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3785 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3787 2006-10-29 Roger Sayle <roger@eyesopen.com>
3789 PR tree-optimization/15458
3790 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3793 2006-10-29 Richard Guenther <rguenther@suse.de>
3795 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3796 (ix86_expand_truncdf_32): Likewise.
3797 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3798 trunc inline for SSE math and -fno-trapping-math and if not
3799 optimizing for size.
3800 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3801 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3802 for expanding btrunc inline for SSE math.
3804 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3806 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3807 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3808 i[34567]86-*-solaris2.1[0-9]*.
3809 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3810 Define conditionally depending on TARGET_64BIT_DEFAULT.
3811 (SPEC_32, SPEC_64): Define.
3812 (LINK_SPEC): Use them.
3813 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3815 2006-10-29 Richard Guenther <rguenther@suse.de>
3817 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3818 (ix86_expand_rounddf_32): Likewise.
3819 * config/i386/i386.c (ix86_expand_round): New function expanding
3820 round inline for SSE math and -fno-trapping-math and if not
3821 optimizing for size.
3822 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3823 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3824 round via ix86_expand_round.
3826 2006-10-29 Richard Guenther <rguenther@suse.de>
3828 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3829 (ix86_expand_floorceildf_32): Likewise.
3830 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3831 static helper function.
3832 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3834 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3835 * config/i386/i386.md (floordf2): Adjust to enable floor
3836 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3837 -fno-trapping-math is enabled and if not optimizing for size.
3838 (floorsf2, ceildf2, ceilsf2): Likewise.
3839 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3840 (sse2_maskcmpdf3): Likewise.
3842 2006-10-29 Richard Guenther <rguenther@suse.de>
3844 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3845 rint in case -fno-trapping-math is enabled.
3846 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3847 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3848 (ix86_expand_sse_fabs): Likewise.
3849 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3850 * config/i386/i386.md (rintdf2): Enable for SSE math if
3851 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3852 (rintsf2): Likewise.
3854 2006-10-29 Richard Guenther <rguenther@suse.de>
3856 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3857 to conversion optabs.
3858 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3859 as conversion optab.
3860 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3861 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3862 (lfloor_optab, lceil_optab): Adjust defines.
3863 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3864 lfloor and lceil optabs now being conversion optabs.
3865 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3866 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3867 New static helper function.
3868 (ix86_expand_lfloorceil): New function to expand lfloor and
3870 * config/i386/i386.md (lfloor<mode>2): Split into ...
3871 (lfloorxf<mode>2): ... x87 variant
3872 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3873 using ix86_expand_lfloorceil.
3874 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3876 * doc/md.texi (lfloorMN, lceilMN): Document.
3878 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3880 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3881 -mno-shared assembler option on mips targets.
3882 * configure, config.in: Regenerate.
3883 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3884 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3885 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3887 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3889 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3890 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3892 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3894 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3895 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3898 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3901 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3902 (fold_builtin_pow): Evaluate constant arguments at compile-time
3904 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3905 (do_mpfr_ckconv): New helper function.
3906 (do_mpfr_arg1): Use do_mpfr_ckconv.
3907 (do_mpfr_arg2): New.
3909 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3912 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3913 (-fdump-rtl-sched): Rename to ..
3914 (-fdump-rtl-sched1): here. Also fix file extension number.
3916 2006-10-28 Richard Guenther <rguenther@suse.de>
3918 * fold-const.c (maybe_canonicalize_comparison): Fix code
3921 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3923 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3924 (NON_QI_REG_P): Use IN_RANGE.
3925 (REX_INT_REGNO_P): Use IN_RANGE.
3926 (FP_REGNO_P): Use IN_RANGE.
3927 (SSE_REGNO_P): Use IN_RANGE.
3928 (REX_SSE_REGNO_P): Use IN_RANGE.
3929 (MMX_REGNO_P): Use IN_RANGE.
3930 (STACK_REGNO_P): New macro.
3931 (STACK_REG_P): Use STACK_REGNO_P.
3932 (NON_STACK_REG_P): Use STACK_REGNO_P.
3933 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3934 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3935 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3936 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3937 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3939 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3941 * except.h (output_function_exception_table): Add 'const char*' param.
3942 * except.c (switch_to_exception_section): Add 'const char*' param.
3943 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3944 and flag_function_sections is set, use a function-specific section.
3945 (output_function_exception_table): Add 'const char*' param.
3946 Adjust call to switch_to_exception_section.
3947 * final.c (rest_of_handle_final): Adjust calls to
3948 output_function_exception_table.
3949 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3950 * config.in: Regenerate.
3951 * configure: Likewise.
3953 2006-10-28 Richard Guenther <rguenther@suse.de>
3956 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3957 for maybe_canonicalize_comparison.
3958 (maybe_canonicalize_comparison): New function for canonicalizing
3960 (fold_comparison): Call it to canonicalize comparisons with
3963 2006-10-28 Richard Guenther <rguenther@suse.de>
3966 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3967 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3968 (expand_builtin): Adjust likewise.
3969 * genopinit.c (optabs[]): Add lround optab.
3970 * optabs.c (init_optabs): Initialize lround_optab.
3971 * optabs.h (enum convert_optab_index): Add COI_lround.
3972 (lround_optab): Define.
3973 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3974 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3976 (ix86_expand_lround): New function.
3977 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3979 * doc/md.texi (lroundMN2): Document.
3981 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3984 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3985 argument to HOST_WIDE_INT. Update function prototype.
3986 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3987 "size" argument to HOST_WIDE_INT. Update function prototype.
3989 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3991 * config/i386/i386.c (output_387_ffreep): Create output from a
3992 template string for !HAVE_AS_IX86_FFREEP.
3994 2006-10-27 Eric Christopher <echristo@apple.com>
3996 * config/darwin.c: Fix formatting and grammar.
3998 2006-10-27 Jan Hubicka <jh@suse.cz>
4000 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
4001 to be thrown away soon when IGNORE is set.
4002 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
4003 indicating when return value shall not be computed.
4004 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
4006 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
4008 * config/i386/i386.h (TARGET_GEODE):
4009 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
4010 (TARGET_CPU_DEFAULT_geode): New macro.
4011 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
4012 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
4013 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
4014 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
4015 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
4017 (TARGET_CPU_DEFAULT_NAMES): Add geode.
4018 (processor_type): Add PROCESSOR_GEODE.
4020 * config/i386/i386.md: Include geode.md.
4023 * config/i386/i386.c (geode_cost): New initialized global
4025 (m_GEODE, m_K6_GEODE): New macros.
4026 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
4027 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
4028 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
4029 x86_schedule): Use m_K6_GEODE instead of m_K6.
4030 (x86_movx, x86_cmove): Set up m_GEODE.
4031 (x86_integer_DFmode_moves): Clear m_GEODE.
4032 (processor_target_table): Add entry for geode.
4033 (processor_alias_table): Ditto.
4035 * config/i386/geode.md: New file.
4037 * doc/invoke.texi: Add entry about geode processor.
4039 2006-10-27 Mike Stump <mrs@apple.com>
4041 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
4042 __DYNAMIC__ from here back to ...
4043 * config/darwin.h (CPP_SPEC): ... here.
4045 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4046 Nathan Sidwell <nathan@codesourcery.com>
4048 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
4049 when choosing the minimum heapsize.
4051 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4053 * gcc/unwind-dw2.h: Move cfa-related variables into
4054 struct frame_state_reg_info to ensure that the CFA is properly
4055 handled when executing DW_CFA_{remember,restore}_state.
4056 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
4057 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
4058 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
4059 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
4060 gcc/config/rs6000/linux-unwind.h,
4061 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
4062 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
4063 Modify to use new cfa_* fields.
4065 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
4067 * config/s390/s390.c (s390_init_frame_layout): Check positive
4070 2006-10-26 Ben Elliston <bje@au.ibm.com>
4072 * gimplify.c (get_name): Remove extraneous break.
4073 (gimplify_omp_for): Initialise ret with GS_OK.
4075 2006-10-25 Steve Ellcey <sje@cup.hp.com>
4077 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
4078 Add unix98.o to link line.
4080 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4083 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
4084 Calculate compile-time constants using MPFR.
4085 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
4086 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
4088 2006-10-25 Bob Wilson <bob.wilson@acm.org>
4090 * config/xtensa/lib2funcs.S: Use C-style comments.
4092 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
4094 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
4095 (file_table_relative_p): Likewise.
4096 (dwarf2out_finish): Likewise.
4097 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
4099 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
4101 * tree-ssa-structalias.c (intra_create_variable_infos):
4102 Don't recreate nonlocal_all if it already exists.
4104 2006-10-25 Richard Guenther <rguenther@suse.de>
4107 * optabs.h (enum optab_index): Remove OTI_lrint.
4108 (enum convert_optab_index): Add COI_lrint.
4109 (lrint_optab): Adjust.
4110 (expand_sfix_optab): Declare.
4111 * optabs.c (expand_sfix_optab): New function.
4112 (init_optabs): Init lrint_optab as conversion optab.
4113 * genopinit.c (lrint_optab): Change to a conversion optab.
4114 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
4115 expansion via conversion optab.
4116 * config/i386/i386.md (*fistdi2_1): Remove
4117 flag_unsafe_math_optimizations guard.
4118 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
4119 fist<mode>2_with_temp): Likewise.
4120 (lrint<mode>2): Split into...
4121 (lrintxf<mode>2): ... x87 part
4122 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
4123 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
4124 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
4125 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
4126 * doc/md.texi (lrintMN2): Document.
4128 2006-10-25 Uros Bizjak <uros@kss-loka.si>
4131 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
4132 Use inc and dec instructions for TARGET_USE_INCDEC.
4133 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
4134 ("sync_double_compare_and_swap<mode>"): Likewise.
4135 ("*sync_double_compare_and_swapdi_pic"): Likewise.
4136 ("*sync_compare_and_swap_cc<mode>"): Likewise.
4137 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
4138 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
4139 ("sync_old_add<mode>"): Likewise.
4140 ("sync_lock_test_and_set<mode>"): Likewise.
4141 ("sync_lock_test_and_set<mode>"): Likewise.
4142 ("sync_add<mode>"): Likewise.
4143 ("sync_sub<mode>"): Likewise.
4144 ("sync_ior<mode>"): Likewise.
4145 ("sync_and<mode>"): Likewise.
4146 ("sync_xor<mode>"): Likewise.
4148 2006-10-25 Uros Bizjak <uros@kss-loka.si>
4150 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
4151 (remainder_optab): Define corresponding macro.
4152 (drem_optab): Remove.
4153 * optabs.c (init_optabs): Initialize remainder_optab. Remove
4154 drem_optab initialization.
4155 * genopinit.c (optabs): Implement remainder_optab using
4156 remainder?f3 patterns. Remove drem_optab.
4157 * builtins.c (expand_builtin_mathfn_2): Handle
4158 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
4159 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
4160 expand_builtin_mathfn_2.
4162 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
4163 depend on flag_unsafe_math_optimizations.
4165 * config/i386/i386.md ("remaindersf3", "remainderdf3")
4166 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
4167 Do not depend on flag_unsafe_math_optimizations. Use
4168 truncxf?f expander instead of truncxf?f_i387_noop.
4170 ("fpremxf4", "fprem1xf4"): Do not depend on
4171 flag_unsafe_math_optimizations.
4172 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
4173 flag_unsafe_math_optimizations. Use truncxf?f expander
4174 instead of truncxf?f_i387_noop.
4176 * doc/md.texi (fmod, remainder): Document standard named pattern.
4178 2006-10-24 Richard Sandiford <richard@codesourcery.com>
4179 David Daney <ddaney@avtrex.com>
4182 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
4184 2006-10-25 Ben Elliston <bje@au.ibm.com>
4186 * doc/extend.texi (Variable Attributes): Typo fix.
4188 2006-10-24 Uros Bizjak <uros@kss-loka.si>
4190 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
4191 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
4192 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
4193 (FRAME_POINTER_REGNUM): Update register number to 21.
4194 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
4195 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
4197 * config/i386/i386.c (regclass_map): Add fpcr entry.
4198 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
4200 (print_reg): Assert REGNO (x) != FPCR_REG.
4202 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
4203 (DIRFLAG_REG): Renumber.
4204 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
4205 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
4206 (sse_prologue_save, *sse_prologue_save_insn): Renumber
4207 hardcoded SSE register numbers.
4209 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
4210 hardcoded MMX register numbers.
4212 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4215 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
4216 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
4218 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
4219 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
4220 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
4221 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
4223 2006-10-24 Richard Guenther <rguenther@suse.de>
4226 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
4227 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
4228 for deciding optimizations in consistency with fold-const.c
4229 (fold_builtin_unordered_cmp): Likewise.
4231 2006-10-24 Richard Guenther <rguenther@suse.de>
4233 * builtins.c (fold_builtin_floor): Fold floor (x) where
4234 x is nonnegative to trunc (x).
4235 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
4236 nonnegative to FIX_TRUNC_EXPR.
4238 2006-10-24 Richard Guenther <rguenther@suse.de>
4240 PR tree-optimization/29567
4241 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
4242 for TRUTH_NOT_EXPR. Clarify comments.
4244 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4247 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
4248 at compile-time using MPFR. Change parameter VALUE to FUNC,
4250 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
4251 for overflow and underflow at all times and avoid folding in
4254 2006-10-24 Ben Elliston <bje@au.ibm.com>
4256 * reload1.c: Formatting fixes.
4258 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
4260 PR tree-optimization/14784
4261 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
4262 * tree-ssa-structalias.c (get_constraint_for,
4263 intra_create_variable_infos): Set is_heapvar.
4264 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
4265 non-heapvar pointer variables specially.
4267 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4270 * builtins.c (fold_builtin_sin, fold_builtin_cos,
4271 fold_builtin_tan): Fold all constant arguments. Take a "type"
4272 argument as necessary.
4273 (do_mpfr_arg1): New.
4274 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
4276 2006-10-23 Bob Wilson <bob.wilson@acm.org>
4278 * config/xtensa/lib1funcs.asm: Use C-style comments.
4280 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
4282 * tree.c (local_define_builtin): Replace calls to
4283 lang_hooks.builtin_function with add_builtin_function.
4284 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
4286 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
4288 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
4289 common code to add_builtin_function.
4290 * langhooks.c (add_builtin_function): New function.
4291 (lhd_builtin_function): New function.
4292 * langhooks.h (struct lang_hooks): Change the signature of
4294 (add_builtin_function): New function.
4295 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
4296 calls to lang_hooks.builtin_function with add_builtin_function.
4297 * c-common.c (decl_builtin_1): Replace calls to
4298 lang_hooks.builtin_function with add_builtin_function.
4299 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
4300 lang_hooks.builtin_function with add_builtin_function.
4301 * config/frv/frv.c (def_builtin): Replace calls to
4302 lang_hooks.builtin_function with add_builtin_function.
4303 * config/s390/s390.c (s390_init_builtins): Replace calls to
4304 lang_hooks.builtin_function with add_builtin_function.
4305 * config/sparc/sparc.c (def_builtin): Replace calls to
4306 lang_hooks.builtin_function with add_builtin_function.
4307 * config/i386/i386.c (def_builtin): Replace calls to
4308 lang_hooks.builtin_function with add_builtin_function.
4309 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
4310 lang_hooks.builtin_function with add_builtin_function.
4311 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
4312 lang_hooks.builtin_function with add_builtin_function.
4313 * config/stormy16/stormy16.c (xstormy16_init_builtins):
4314 Replace calls to lang_hooks.builtin_function with
4315 add_builtin_function.
4316 * config/iq2000/iq2000.c (def_builtin):
4317 Replace calls to lang_hooks.builtin_function with
4318 add_builtin_function.
4319 * config/ia64/ia64.c (def_builtin): Replace calls to
4320 lang_hooks.builtin_function with add_builtin_function.
4321 * config/rs6000/rs6000.c (def_builtin): Replace calls to
4322 lang_hooks.builtin_function with add_builtin_function.
4323 (altivec_init_builtins): Replace calls to
4324 lang_hooks.builtin_function with add_builtin_function.
4325 * config/arm/arm.c (def_mbuiltin): Replace calls to
4326 lang_hooks.builtin_function with add_builtin_function.
4327 (arm_init_tls_builtins): Replace calls to
4328 lang_hooks.builtin_function with add_builtin_function.
4329 * config/mips/mips.c (mips_init_builtins): Replace calls to
4330 lang_hooks.builtin_function with add_builtin_function.
4331 * config/bfin/bfin.c (def_builtin): Replace calls to
4332 lang_hooks.builtin_function with add_builtin_function.
4333 * langhooks-def.h (lhd_builtin_function): New function.
4334 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
4336 2006-10-23 Jakub Jelinek <jakub@redhat.com>
4338 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
4339 BUILT_IN_STRNCAT_CHK.
4341 2006-10-23 Jan Hubicka <jh@suse.cz>
4343 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
4344 don't do conversion from memmove to memcpy here.
4345 (expand_builtin_bcopy, expand_builtin): Update call of
4346 expand_builtin_memmove.
4347 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
4349 2006-10-23 Paul Brook <paul@codesourcery.com>
4351 * stor-layout.c (start_record_layout): maximum_field_alignment
4352 overrides STRUCTURE_SIZE_BOUNDARY.
4354 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
4356 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
4357 nonlocal function symbols if flag_pic.
4359 2006-10-23 Richard Guenther <rguenther@suse.de>
4363 * builtins.c (fold_binary): Remove checks for flag_wrapv
4364 and flag_trapv where negate_expr_p covers these cases.
4366 2006-10-23 Richard Guenther <rguenther@suse.de>
4369 * fold-const.c (fold_plusminus_mult_expr): Check exact power
4370 of two on the absolute value.
4371 (fold_binary): Fold x * -C to -x * C if x is easily negatable
4372 and negating -C does not overflow.
4374 2006-10-23 Richard Guenther <rguenther@suse.de>
4377 * convert.c (convert_to_real): Fold (float)-x to -(float)x
4378 only if not flag_rounding_math.
4380 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4381 Kaz Kojima <kkojima@gcc.gnu.org>
4384 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
4385 SImode memory reference for the source of a movua.
4386 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
4387 (movua): Use an unspec instead of sign_extract. Expect the source
4388 to have mode BLKmode.
4389 (extv, insv): Use a BLKmode rather than SImode memory reference
4390 for the source of a movua.
4392 2006-10-22 Jeff Law <law@redhat.com>
4393 Richard Guenther <rguenther@suse.de>
4395 PR tree-optimization/15911
4396 * tree-vrp.c (extract_code_and_val_from_cond): New function.
4397 (register_edge_assert_for_1): Likewise.
4398 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
4399 (find_conditional_asserts): Adjust for new function signature.
4400 (find_assert_locations): Likewise.
4402 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4404 * config/i386/tmmintrin.h: Remove the duplicated content.
4406 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4408 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
4409 (x86_64-*-*): Likewise.
4411 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
4412 (override_options): Check SSSE3.
4413 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
4414 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
4415 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
4416 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
4417 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
4418 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
4419 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
4420 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
4421 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
4422 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
4423 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
4424 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
4425 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
4426 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
4427 IX86_BUILTIN_PABSD128.
4428 (bdesc_2arg): Add SSSE3.
4429 (bdesc_1arg): Likewise.
4430 (ix86_init_mmx_sse_builtins): Support SSSE3.
4431 (ix86_expand_builtin): Likewise.
4432 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
4434 * config/i386/i386.md (UNSPEC_PSHUFB): New.
4435 (UNSPEC_PSIGN): Likewise.
4436 (UNSPEC_PALIGNR): Likewise.
4437 Include mmx.md before sse.md.
4439 * config/i386/i386.opt: Add -mssse3.
4441 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
4442 (ssse3_phaddwv4hi3): Likewise.
4443 (ssse3_phadddv4si3): Likewise.
4444 (ssse3_phadddv2si3): Likewise.
4445 (ssse3_phaddswv8hi3): Likewise.
4446 (ssse3_phaddswv4hi3): Likewise.
4447 (ssse3_phsubwv8hi3): Likewise.
4448 (ssse3_phsubwv4hi3): Likewise.
4449 (ssse3_phsubdv4si3): Likewise.
4450 (ssse3_phsubdv2si3): Likewise.
4451 (ssse3_phsubswv8hi3): Likewise.
4452 (ssse3_phsubswv4hi3): Likewise.
4453 (ssse3_pmaddubswv8hi3): Likewise.
4454 (ssse3_pmaddubswv4hi3): Likewise.
4455 (ssse3_pmulhrswv8hi3): Likewise.
4456 (ssse3_pmulhrswv4hi3): Likewise.
4457 (ssse3_pshufbv16qi3): Likewise.
4458 (ssse3_pshufbv8qi3): Likewise.
4459 (ssse3_psign<mode>3): Likewise.
4460 (ssse3_psign<mode>3): Likewise.
4461 (ssse3_palignrti): Likewise.
4462 (ssse3_palignrdi): Likewise.
4463 (abs<mode>2): Likewise.
4464 (abs<mode>2): Likewise.
4466 * config/i386/tmmintrin.h: New file.
4468 * doc/extend.texi: Document SSSE3 built-in functions.
4470 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
4472 2006-10-22 Ira Rosen <irar@il.ibm.com>
4474 * tree-vect-transform.c (vectorizable_load): Use the type of the
4475 return value of the mask_for_load builtin to create realign_load
4478 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4480 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
4483 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
4485 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
4486 (UNSPEC_LDDQU): This.
4487 * config/i386/sse.md (sse3_lddqu): Updated.
4489 2006-10-21 Richard Guenther <rguenther@suse.de>
4491 * builtins.c (expand_builtin_int_roundingfn_2): New function.
4492 (expand_builtin): Use it to expand lrint instead of
4493 expand_builtin_mathfn.
4495 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4498 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
4499 flag_unsafe_math_optimizations is set.
4501 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4504 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
4505 patterns to use memory input operand in x87->mem->XMM
4506 reload sequences. Skip transformation for TARGET_K8.
4508 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4510 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
4511 force operand1 to register if both operands are memory operands.
4512 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
4513 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
4514 if both operands are memory operands.
4515 (truncdfsf2): Do not force operand1 to register if both operands
4516 are memory operands.
4518 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4520 * Makefile.in (LIBS): Add $(GMPLIBS).
4521 * doc/install.texi: Update GMP and MPFR requirements.
4522 * doc/sourcebuild.texi (need_gmp): Delete.
4524 2006-10-21 Richard Guenther <rguenther@suse.de>
4526 PR tree-optimization/3511
4527 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
4528 got new invariant arguments during PHI translation.
4530 2006-10-21 Richard Guenther <rguenther@suse.de>
4533 * fold-const.c (fold_comparison): Fold signed comparisons
4534 of the form X +- C1 CMP Y +- C2.
4536 2006-10-21 Richard Guenther <rguenther@suse.de>
4539 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
4540 if flag_unsafe_math_optimizations is specified. We have
4541 flag_finite_math_only for that.
4542 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
4543 or flag_unsafe_math_optimizations.
4545 2006-10-21 Richard Guenther <rguenther@suse.de>
4547 * builtins.c (fold_builtin_classify): Fix typo.
4549 2006-10-21 Richard Guenther <rguenther@suse.de>
4552 * simplify-rtx.c (simplify_const_relational_operation):
4553 Do not constant-fold ORDERED and UNORDERED for
4554 flag_unsafe_math_optimizations but only we do not need to
4555 honor NaNs for the given mode.
4557 2006-10-21 Richard Guenther <rguenther@suse.de>
4560 * config/i386/i386.c (classify_argument): Remove redundant
4561 walking of the BINFOs.
4562 (contains_128bit_aligned_vector_p): Likewise.
4564 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4566 * BASE-VER: Set to 4.3.0.
4568 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4570 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4571 (tree_decl_with_vis): Remove artificial_pta_var flag.
4572 * tree-flow.h (referenced_var_check_and_insert): Expose.
4573 (nonlocal_all): New prototype.
4574 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4575 (nonlocal_all): Make global.
4576 (nonlocal_lookup): Remove.
4577 (nonlocal_insert): Ditto.
4578 (create_nonlocal_var): Do not call nonlocal_insert.
4579 (get_nonlocal_id_for_type): Remove.
4580 (find_global_initializers): Mark new vars we find for renaming.
4581 (intra_create_variable_infos): Only create one nonlocal.
4582 (expand_nonlocal_solutions): Remove.
4583 (compute_points_to_sets): Don't call it.
4584 (ipa_pta_execute): Ditto.
4585 (init_alias_heapvars): Don't create nonlocal_for_type.
4586 (delete_alias_heapvars): Don't remove it.
4587 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4590 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4592 * doc/install.texi (Downloading GCC): Clarify mention of
4593 Fortran in the "full distribution" description.
4595 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4597 Fix PR tree-optimization/28778
4598 Fix PR tree-optimization/29156
4599 Fix PR tree-optimization/29415
4600 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4601 (tree_decl_with_vis): Add artificial_pta_var flag.
4602 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4603 pushed into callers.
4604 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4605 (nonlocal_all): Ditto.
4606 (struct variable_info): Add directly_dereferenced member.
4607 (var_escaped_vars): New variable.
4608 (escaped_vars_tree): Ditto.
4609 (escaped_vars_id): Ditto.
4610 (nonlocal_vars_id): Ditto.
4611 (new_var_info): Set directly_dereferenced.
4612 (graph_size): New variable
4613 (build_constraint_graph): Use graph_size.
4614 (solve_graph): Don't process constraints that cannot change the
4615 solution, don't try to propagate an empty solution to our
4617 (process_constraint): Set directly_dereferenced.
4618 (could_have_pointers): New function.
4619 (get_constraint_for_component_ref): Don't process STRING_CST.
4620 (nonlocal_lookup): New function.
4621 (nonlocal_insert): Ditto.
4622 (create_nonlocal_var): Ditto.
4623 (get_nonlocal_id_for_type): Ditto.
4624 (get_constraint_for): Allow results vector to be empty in the case
4625 of string constants.
4626 Handle results of calls properly.
4627 (update_alias_info): Update alias info stats on number and type of
4629 (find_func_aliases): Use could_have_pointers.
4630 (make_constraint_from_escaped): Renamed from
4631 make_constraint_to_anything, and changed to make constraints from
4633 (make_constraint_to_escaped): New function.
4634 (find_global_initializers): Ditto.
4635 (create_variable_info_for): Make constraint from escaped to any
4636 global variable, and from any global variable to the set of
4638 (intra_create_variable_infos): Deal with escaped instead of
4639 pointing to anything.
4640 (set_uids_in_ptset): Do type pruning on directly dereferenced
4642 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4643 (init_base_vars): Fix comment, and initialize escaped_vars.
4644 (need_to_solve): Removed.
4645 (find_escape_constraints): New function.
4646 (expand_nonlocal_solutions): Ditto.
4647 (compute_points_to_sets): Call find_escape_constraints and
4648 expand_nonlocal_solutions.
4649 (delete_points_to_sets): Don't fall off the end of the graph.
4650 (init_alias_heapvars): Initialize nonlocal_for_type and
4652 (delete_alias_heapvars): Free nonlocal_for_type and null out
4655 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4657 * fold-const.c (add_double): Rename to add_double_with_sign.
4658 Add 'unsigned_p' parameter and take it into account for the overflow.
4659 (mul_double): Rename to mul_double_with_sign.
4660 Add 'unsigned_p' parameter and take it into account for the overflow.
4661 (fold_div_compare): Call add_double_with_sign instead of add_double
4662 and mul_double_with_sign instead of mul_double, passing them the
4663 unsignedness of the type.
4664 * tree.h (add_double): Macroize.
4665 (add_double_with_sign): New prototype.
4666 (mul_double): Macroize.
4667 (mul_double_with_sign): New prototype.
4669 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4671 * config/score/crti.asm: New file.
4672 * config/score/crtn.asm: New file.
4673 * config/score/elf.h: New file.
4674 * config/score/mac.md: New file.
4675 * config/score/misc.md: New file.
4676 * config/score/mul-div.S: New file.
4677 * config/score/predicates.md: New file.
4678 * config/score/score7.md: New file.
4679 * config/score/score.c: New file.
4680 * config/score/score-conv.h: New file.
4681 * config/score/score.h: New file.
4682 * config/score/score.md: New file.
4683 * config/score/score-mdaux.c: New file.
4684 * config/score/score-mdaux.h: New file.
4685 * config/score/score-modes.def: New file.
4686 * config/score/score.opt: New file.
4687 * config/score/score-protos.h: New file.
4688 * config/score/score-version.h: New file.
4689 * config/score/t-score-elf: New file.
4690 * config.gcc: Add score*-*-* configurations(Update before).
4691 * doc/invoke.texi (Score Options): New section.
4692 * doc/md.texi (Score family): New section to document constraints.
4694 2006-10-19 Nick Clifton <nickc@redhat.com>
4696 * config/arm/arm.c: Fix spelling typo.
4698 2006-10-18 Tom Tromey <tromey@redhat.com>
4700 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4702 2006-10-18 Jan Hubicka <jh@suse.cz>
4705 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4708 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4710 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4711 TSI_SAME_STMT, since that's the desired entity.
4713 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4715 * config/s390/contraints.md: New file.
4716 * config/s390/s390-protos.h (s390_mem_constraint,
4717 s390_O_constraint_str, s390_N_constraint_str,
4718 s390_float_const_zero_p): Function prototypes added.
4719 * config/s390/s390.c (s390_extra_constraint_str,
4720 s390_const_double_ok_for_constraint_p,
4721 s390_const_ok_for_constraint_p): Functions removed.
4722 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4723 s390_float_const_zero_p): New functions.
4724 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4725 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4726 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4727 Macro definitions removed.
4728 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4729 s390_extra_constraint_str): Functions removed.
4731 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4732 Richard Sandiford <richard@codesourcery.com>
4735 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4736 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4738 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4740 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4741 (DWARF2_FRAME_REG_OUT): Likewise.
4742 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4743 (DWARF2_FRAME_REG_OUT): Likewise.
4745 2006-10-17 Paul Brook <paul@codesourcery.com>
4747 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4749 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4751 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4752 Standardize on "GNU Fortran" as the official name of the Fortran
4755 2006-10-16 Mike Stump <mrs@apple.com>
4757 * doc/invoke.texi (Darwin Options): Document -mkernel.
4758 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4760 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4761 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4762 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4763 (OS_MISSING_ALTIVEC): Add.
4764 * config/i386/i386.c (override_options): Add
4765 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4766 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4767 -mkernel, -static or -mdynamic-no-pic is given.
4768 (C_COMMON_OVERRIDE_OPTIONS): Add.
4769 * config/darwin.opt (fapple-kext): Add.
4771 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4772 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4774 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4775 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4776 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4777 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4778 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4779 (flag_mkernel): Add.
4780 (flag_apple_kext): Add.
4781 (TARGET_KEXTABI): Add.
4782 * config/darwin.c (darwin_handle_kext_attribute): Add.
4783 (DARWIN_VTABLE_P): Add.
4784 (darwin_binds_local_p): Add partial support for rebinding vtables
4786 (darwin_kextabi_p): Add.
4787 (darwin_override_options): Add.
4788 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4789 (darwin_kextabi_p): Add.
4790 (darwin_override_options): Add.
4791 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4792 __DYNAMIC__ and __STATIC__ here.
4794 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4796 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4797 Added mention of "make pdf" target, and Texinfo requirements for
4800 2006-10-16 DJ Delorie <dj@redhat.com>
4802 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4803 into the GOT in case we need a subreg of the address.
4805 2006-10-16 Richard Guenther <rguenther@suse.de>
4808 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4809 SSE builtin documentation. Document SSE2 builtins.
4811 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4813 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4814 symbol in the output file for non-shared links when -nostdlib or
4815 -nodefaultlibs isn't specified.
4817 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4818 posix thread support.
4820 2006-10-15 Jan Hubicka <jh@suse.cz>
4823 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4824 declared always_inline even when not inlining.
4826 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4827 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4828 Andrew Pinski <pinskia@gmail.com>
4831 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4833 2006-10-15 Jan Hubicka <jh@suse.cz>
4834 Richard Guenther <rguenther@suse.de>
4837 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4838 process_function_and_variable_attributes on all variables, including
4839 those discovered during cgraph construction phase.
4841 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4843 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4845 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4847 * config/i386/athlon.md (athlon_fist): Add fisttp.
4849 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4850 Ian Lance Taylor <ian@airs.com>
4853 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4854 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4857 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4859 * config/score/score.c, config/score/score.h: Fix comment
4862 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4865 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4868 2006-10-13 Eric Christopher <echristo@apple.com>
4870 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4872 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4875 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4876 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4877 alignment supported by 32-bit ELF.
4879 2006-10-13 Eric Christopher <echristo@apple.com>
4881 * config/darwin.c (darwin_emit_unwind_label): Strip
4882 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4884 2006-10-13 Richard Guenther <rguenther@suse.de>
4886 PR tree-optimization/29446
4887 * tree-vrp.c (fix_equivalence_set): Remove.
4888 (extract_range_from_assert): Do not call fix_equivalence_set.
4889 (debug_value_range): Print a newline.
4890 (compare_name_with_value): For equivalence sets with
4891 inconsistent value ranges conservatively bail out.
4892 (compare_names): Likewise.
4894 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4896 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4897 and MPFR for gfortran.
4899 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4901 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4902 alignment supported by 32-bit ELF.
4904 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4908 * c-typeck.c (digest_init): Always allow initializing vectors
4909 that have static storage duration with compound literals.
4910 * tree.c (build_type_attribute_qual_variant): New, based on
4911 build_type_attribute_variant.
4912 (build_type_attribute_variant): Rewrite using the former.
4913 (make_vector_type): Use build_type_attribute_qual_variant to build
4914 type variants. Use type_hash_canon on the others.
4916 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4917 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4919 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4921 2006-10-12 Jan Hubicka <jh@suse.cz>
4924 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4925 current_function_decl is set but current_function_scope is not.
4927 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4929 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4930 emit_insn to emit eh_return_internal instruction.
4931 (eh_return_internal): Explicitly set pc.
4933 2006-10-11 Richard Guenther <rguenther@suse.de>
4935 PR tree-optimization/28230
4936 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4937 to the correct place.
4939 2006-10-11 Richard Guenther <rguenther@suse.de>
4942 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4945 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4947 * configure.ac: Added pdf to "Make-hooks"
4948 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4949 targets and *.pdf file patterns in cleanup targets.
4950 * configure: Regenerated.
4952 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4954 * config/avr/predicates.md: New file.
4955 * config/avr/avr.md: Include it.
4956 (REG_SP): New constant.
4957 (peepholes): Use predicates.
4958 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4959 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4960 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4962 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4964 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4967 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4970 * builtins.c (var_decl_component_p): New function.
4971 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4972 single entry optimization to variables and components thereof.
4974 2006-10-10 Richard Guenther <rguenther@suse.de>
4976 PR rtl-optimization/29323
4977 * except.c (set_nothrow_function_flags): For functions
4978 that do not bind local bail out early.
4980 2006-10-10 Ben Elliston <bje@au.ibm.com>
4982 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4985 2006-10-09 Richard Henderson <rth@redhat.com>
4987 Revert emutls patch.
4989 2006-10-09 Richard Guenther <rguenther@suse.de>
4992 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4995 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4998 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4999 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
5000 * configure: Regenerate.
5001 * config.in: Regenerate.
5003 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
5005 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
5007 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5009 * config/mips/mips.c (mips_legitimize_tls_address): Implement
5010 all TLS models in the same way as local exec if !TARGET_ABICALLS.
5011 Remove stray newline.
5013 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5015 * config/mips/mips.c (mips_classify_symbol): Do not return
5016 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
5017 (mips_in_small_data_p): Tweak comments.
5019 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5021 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
5023 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
5025 * gimplify.c, sched-int.h: Fix comment typos.
5027 * sched-int.h: Fix comment typos.
5029 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5031 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
5033 * sched-ebb.c (begin_schedule_ready): Use them.
5034 * haifa-sched.c (schedule_insn, move_insn, try_ready,
5035 add_to_speculative_block, create_check_block_twin, speculate_insn,
5036 fix_jump_move, move_block_after_check): Ditto.
5037 * sched-rgn.c (new_ready): Ditto.
5039 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5041 PR rtl-optimization/29128
5042 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
5043 * sched-ebb.c (advance_target_bb): Use it to fix condition to
5044 allow interblock movement of speculation checks.
5046 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
5049 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
5050 casted to integer type.
5051 (get_address_cost): Decrease cost of [symbol + index] addressing modes
5052 if they are significantly more expensive than [reg + index] ones.
5054 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5056 PR tree-optimization/29330
5057 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
5058 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
5059 on newly allocated ddrs.
5060 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
5061 to VEC (loop_p, heap) pointer.
5062 (compute_data_dependences_for_loop): Adjust caller.
5063 (free_dependence_relations): Free DDR_LOOP_NEST.
5065 * tree-loop-linear.c (linear_transform_loops): Don't forget to
5066 free DEPENDENCE_RELATIONS and DATAREFS.
5069 * builtins.c (expand_builtin_sync_operation,
5070 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
5071 Use convert_to_mode to handle promoted arguments.
5073 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5075 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
5077 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5079 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
5081 2006-10-05 Uros Bizjak <uros@kss-loka.si>
5083 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
5084 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
5085 Use <modeconstraint> instead of "r" as operand 1 constraint.
5087 2006-10-06 Olivier Hainque <hainque@adacore.com>
5089 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
5090 Don't recurse on the pointed-to type.
5091 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
5092 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
5093 types with components of variable size.
5095 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
5097 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
5099 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5101 PR tree-optimization/29290
5102 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
5106 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
5107 * config/i386/predicates.md (local_symbolic_operand): Likewise.
5110 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
5111 the number of vector elements fill the rest with zeros.
5113 2006-10-05 Richard Sandiford <richard@codesourcery.com>
5115 * config/mips/mips.c (mips_pass_by_reference): Do not return false
5116 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
5119 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
5121 * config/bfin/bfin.md (subsi3): Lose expander, change previously
5122 unnamed pattern into subsi3. Use correct constraints/predicates.
5123 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
5124 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
5126 2006-10-05 Ira Rosen <irar@il.ibm.com>
5128 * doc/loop.texi: Add data references analysis description.
5130 2006-10-04 Brooks Moses <bmoses@stanford.edu>
5132 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
5134 2006-10-04 Richard Henderson <rth@redhat.com>
5135 Jakub Jelinek <jakub@redhat.com>
5137 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
5138 * builtin-types.def (BT_WORD): Make unsigned.
5139 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
5140 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
5141 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
5142 * c-decl.c (grokdeclarator): Don't error if !have_tls.
5143 * c-parser.c (c_parser_omp_threadprivate): Likewise.
5144 * cgraph.c (decide_is_variable_needed): Look at force_output.
5145 Recurse for emulated tls.
5146 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
5147 checks redundant with decide_is_variable_needed.
5148 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
5149 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
5151 * expr.c (emutls_var_address): New.
5152 (expand_expr_real_1): Expand emulated tls.
5153 (expand_expr_addr_expr_1): Likewise.
5154 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
5155 * output.h (emutls_finish): Declare.
5156 * toplev.c (compile_file): Call it.
5157 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
5158 address before wrapping in CONST.
5159 * varasm.c (emutls_htab, emutls_object_type): New.
5160 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
5161 (get_emutls_object_name, get_emutls_object_type): New.
5162 (get_emutls_init_templ_addr, emutls_decl): New.
5163 (emutls_common_1, emutls_finish): New.
5164 (assemble_variable): When emulating tls, swap decls; generate
5165 constructor for the emutls objects.
5166 (do_assemble_alias): When emulating tls, swap decl and target name.
5167 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
5169 * emutls.c: New file.
5170 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
5171 tls_object for real tls.
5173 2006-10-04 Zack Weinberg <zackw@panix.com>
5175 Fix bug in constraint-check generator, reported by Rask Ingemann
5177 * genpreds.c (add_constraint): Don't remove anything from the
5179 (write_tm_constrs_h): Detect whether "op" argument is used, and
5180 mark it ARG_UNUSED if it isn't.
5181 (write_insn_const_int_ok_for_constraint): Skip the part of the
5182 expression that would test whether "op" (which is not available
5183 here) is a CONST_INT.
5185 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
5188 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
5190 2006-10-03 Geoffrey Keating <geoffk@apple.com>
5192 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
5193 current Leopard versions.
5194 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
5196 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
5198 * doc/install.texi: Fix typos.
5200 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
5202 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
5203 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
5204 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
5206 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
5208 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
5209 arg to be struct mach_header_64* instead.
5211 2006-10-02 Jakub Jelinek <jakub@redhat.com>
5214 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
5215 side effects after the outer expression's post side effects.
5217 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
5219 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
5220 comments to reflect actual behavior and relationship between
5221 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
5223 * doc/c-tree.texi (Working with declarations): Fix documentation
5224 of FIELD_DECL likewise.
5226 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
5229 * doc/extend.texi: Add used variable attribute description.
5231 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
5234 * c.opt (Woverride-init): New.
5235 * c-opts.c (c_common_post_options): Default warn_override_init to
5237 * c-typeck.c (add_pending_init, output_init_element): Warn for
5238 overriding initializers without side effects.
5239 * doc/invoke.texi (-Woverride-init): Document.
5242 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
5244 PR rtl-optimization/28096
5245 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
5246 assignment has already been used as a destination earlier in the block.
5248 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
5250 * builtins.c (expand_builtin_setjmp): Delete.
5251 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
5252 <BUILT_IN_SETJMP_SETUP>: New case.
5253 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
5254 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
5255 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
5256 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
5257 (BUILT_IN_SETJMP_RECEIVER): Likewise.
5258 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
5259 (lower_function_body): Initialize it to false. If it is set to true
5260 at the end of the processing, emit the setjmp dispatcher.
5261 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
5262 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
5263 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
5264 on the rhs of the assignment.
5265 (lower_builtin_setjmp): New function.
5266 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
5267 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
5268 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
5269 to detect calls that can go to non-local labels. Use specific
5270 helper to create the abnormal edges associated with them.
5271 <MODIFY_EXPR>: Likewise.
5272 (make_abnormal_goto_edges): New function extracted from...
5273 (make_goto_expr_edges): ...here. Call it for computed gotos.
5274 (simple_goto_p): Minor tweak.
5275 (tree_can_make_abnormal_goto): New predicate.
5276 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
5277 (tree_purge_dead_abnormal_call_edges): New function.
5278 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
5279 (tree_purge_dead_abnormal_call_edges): Likewise.
5280 (make_abnormal_goto_edges): Likewise.
5281 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
5282 Purge all dead abnormal edges if the call was in the last statement.
5283 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
5284 (execute_fixup_cfg): If there are non-local labels in the function,
5285 scan the basic blocks and split them at calls that can go to non-local
5286 labels or add missing abnormal call edges. Write down the CFG in the
5288 (pass_fixup_cfg): Remove TODO_dump_func flag.
5289 * unwind-sjlj.c: Poison setjmp.
5290 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
5291 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
5292 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
5293 (DONT_USE_BUILTIN_SETJMP): Document it.
5295 2006-09-28 Geoffrey Keating <geoffk@apple.com>
5298 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
5299 to 1 when __ppc64__ is defined.
5300 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
5302 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
5304 2006-09-28 Steve Ellcey <sje@cup.hp.com>
5306 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
5307 * config/ia64/unwind-hpux.c: Delete.
5309 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
5311 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
5312 on the element before gimplifying it, instead of punting if it is of
5315 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
5317 * doc/loop.texi: New file.
5318 * doc/gccint.texi: Reference loop.texi.
5319 * Makefile.in (loop.texi): Add.
5321 2006-09-27 Geoffrey Keating <geoffk@apple.com>
5323 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
5325 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5326 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5328 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
5330 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
5332 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
5334 * doc/install.texi: Document required versions of GMP and MPFR.
5336 2006-09-27 Paul Brook <paul@codesourcery.com>
5339 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
5341 2006-09-27 Richard Sandiford <richard@codesourcery.com>
5343 * reload1.c (alter_reg): Require the alignment of the stack slot to
5344 be at least reg_max_ref_width bytes.
5345 (scan_paradoxical_subregs): Record the largest width in
5348 2006-09-26 Jakub Jelinek <jakub@redhat.com>
5352 * tree-nested.c (struct nesting_info): Added static_chain_added.
5353 (convert_call_expr): Set static_chain_added when adding static
5354 chain. Handle OMP_PARALLEL and OMP_SECTION.
5356 2006-09-25 Matthias Klose <doko@debian.org>
5358 * doc/invoke.texi: Add missing full stop.
5360 2006-09-25 Richard Henderson <rth@redhat.com>
5362 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
5363 before cgraph_function_flags_ready.
5365 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
5366 Adam Nemet <anemet@caviumnetworks.com>
5368 * tree-ssa-loop-ivopts.c (aff_combination_convert,
5369 determine_common_wider_type): New functions.
5370 (get_computation_aff): Use them to simplify arithmetic between
5371 UBASE and CBASE if they are shortened from the same type.
5373 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
5376 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
5377 -2147483647 - 1 instead of 0x80000000.
5379 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
5381 * flags.h (HONOR_NANS): Fix typo in comment.
5383 2006-09-23 Uros Bizjak <uros@kss-loka.si>
5385 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
5387 2006-09-23 Jakub Jelinek <jakub@redhat.com>
5391 * tree.c (merge_attributes, attribute_list_contained): If both
5392 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
5394 * c-typeck.c (comptypes_internal): Don't consider aggregates
5395 in different TUs as compatible if there one set of attributes is
5396 not a subset of the other type's attributes.
5397 (composite_type): Try harder not to create a new aggregate type.
5399 2006-09-22 Geoffrey Keating <geoffk@apple.com>
5401 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
5402 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
5403 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
5404 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
5405 than replicating condition above.
5406 * config.host (i[34567]86-*-*): Always use driver-i386.o.
5408 * config/darwin.h (LINK_SYSROOT_SPEC): New.
5409 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
5410 the linker by default.
5412 2006-09-22 Mike Stump <mrs@apple.com>
5414 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
5417 2006-09-22 Richard Guenther <rguenther@suse.de>
5420 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
5421 sort of stack variables stable.
5423 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
5426 * explow.c (force_reg): Set REG_POINTER flag according to
5429 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
5431 PR tree-optimization/28888
5432 * tree-if-conv.c (combine_blocks): Rewritten.
5433 * tree-cfg.c (tree_verify_flow_info): Check that edges with
5434 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
5436 2006-09-22 Jakub Jelinek <jakub@redhat.com>
5438 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
5441 2006-09-21 Richard Sandiford <richard@codesourcery.com>
5443 * varasm.c (copy_constant): Fix reversed gcc_assert check.
5445 2006-09-21 Janis Johnson <janis187@us.ibm.com>
5447 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
5449 2006-09-21 Roger Sayle <roger@eyesopen.com>
5452 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
5453 dw_fde_current_label, to be the start of the function, i.e. the same
5454 value as dw_fde_begin.
5456 2006-09-20 Richard Sandiford <richard@codesourcery.com>
5458 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
5459 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
5460 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
5461 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
5462 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
5463 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
5464 (abs<mode>2, neg<mode>2): Likewise.
5465 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
5466 (*mips_abs_ps): New define_insn.
5468 2006-09-20 Josh Conner <jconner@apple.com>
5471 * calls.c (expand_call): Allow reuse of structure return stack
5474 2006-09-20 Paul Brook <paul@codesourcery.com>
5476 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
5479 2006-09-20 Janis Johnson <janis187@us.ibm.com>
5481 * doc/extend.texi (Decimal Float): Update for latest draft TR,
5482 clean up terminology.
5484 2006-09-20 Steve Ellcey <sje@cup.hp.com>
5487 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
5488 with tablejumps in them.
5490 2006-09-20 Jakub Jelinek <jakub@redhat.com>
5493 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
5494 wrap it into TARGET_EXPR.
5496 2006-09-20 Eric Christopher <echristo@apple.com>
5498 * config/i386/i386.c (x86_fisttp): Remove.
5499 * config/i386/i386.h (x86_fisttp): Ditto.
5500 (TARGET_FISTTP): Ditto.
5502 2006-09-19 Eric Christopher <echristo@apple.com>
5504 * doc/tm.texi (OBJC_JBLEN): Describe.
5505 * config/i386/darwin.h (OBJC_JBLEN): Define.
5506 * config/rs6000/darwin.h: Ditto.
5508 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
5510 PR rtl-optimization/21299
5511 * reload1.c (reload): Purge invalid ASMs in the final pass.
5513 2006-09-19 Steve Ellcey <sje@cup.hp.com>
5516 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
5517 pointers as legitimate constants.
5519 2006-09-19 Paul Brook <paul@codesourcery.com>
5522 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
5524 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
5526 PR tree-optimization/28887
5527 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
5528 component parts from the reference.
5529 (gather_memory_references_ref): Record the reference without the
5530 nonaddressable component parts.
5532 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
5535 * c-opts.c (c_common_handle_option): Ignore the -std options
5536 if the input language is assembly.
5538 2006-09-17 Ira Rosen <irar@il.ibm.com>
5541 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
5543 (ptr_ptr_may_alias_p): Likewise.
5544 (record_record_differ_p): New function.
5545 (base_object_differ_p): Call record_record_differ_p.
5547 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5550 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
5551 away for the expr argument.
5553 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5556 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5557 before using it for dumping after vectorizing loops.
5559 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5560 Jack Howarth <howarth@bromo.med.uc.edu>
5563 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5564 skip on error_mark_node.
5565 (rs6000_darwin64_record_arg_recurse): Likewise.
5567 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5569 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5570 * doc/rtl.texi: Remove related documentation.
5572 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5574 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5577 2006-09-15 Jim Wilson <wilson@specifix.com>
5579 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5580 Handle symbol offsets same as they are handled in ia64_expand_move
5583 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5585 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5586 Add forgotten parameter to the fprintf call.
5588 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5590 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5592 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5594 * doc/contrib.texi: Add my entry.
5596 2006-09-15 Nick Clifton <nickc@redhat.com>
5598 * doc/md.texi (Processor pipeline description): Fix typo in
5599 example of how to use the absence_set directive and reword the
5600 description to make it slightly easier to read.
5602 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5604 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5605 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5606 expanding the number of iterations.
5607 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5609 * cfgrtl.c (emit_insn_at_entry): New function.
5610 * rtl.h (emit_insn_at_entry): Declare it.
5611 * integrate.c (emit_initial_value_sets): Use it.
5613 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5615 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5617 (struct loop_work and related VEC declarations): Delete.
5618 (bfin_dump_loops): Print out new member bad.
5619 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5620 (bfin_scan_loop): Don't recurse.
5621 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5622 loops. No longer need to update outer loops if the current one is
5623 found bad. Move some validitiy checks to bfin_discover_loop.
5624 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5625 but changed not to check for nesting. Also changed to use the new bad
5627 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5628 time. Use bitmap based test to discover loop nesting.
5630 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5632 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5635 2006-09-14 Richard Guenther <rguenther@suse.de>
5636 Kazu Hirata <kazu@codesourcery.com>
5638 PR middle-end/28884.
5639 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5640 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5641 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5642 with TARGET_FUNCTION_VALUE.
5644 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5647 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5649 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5651 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5654 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5657 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5660 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5662 * basic_block.h (bb_has_eh_pred): Fix comment.
5664 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5666 * flow.c (calculate_global_regs_live): Invalidate eh registers
5667 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5668 (propagate_block): Handle eh registers as if they were set at basic
5670 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5672 * global.c (global_conflicts): Make eh registers to conflict with
5673 pseudos live at basic block begin.
5674 * basic_block.h (bb_has_eh_pred): New function.
5676 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5678 PR rtl-optimization/28982
5679 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5680 index of a PRE_MODIFY or POST_MODIFY address.
5681 * reload1.c (inc_for_reload): Use find_replacement on the original
5682 base and index registers.
5684 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5686 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5687 for -Os. Update __m128 alignment requirement.
5689 2006-09-13 Jan Hubicka <jh@suse.cz>
5691 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5693 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5695 PR rtl-optimization/28243
5696 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5697 the insn to which the note was originally attached.
5699 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5700 Roger Sayle <roger@eyesopen.com>
5702 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5703 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5704 on platforms that don't use dwarf for debug info.
5706 2006-09-12 Jason Merrill <jason@redhat.com>
5709 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5710 hard_frame_pointer_rtx after using it to update the frame pointer.
5712 2006-09-12 Roger Sayle <roger@eyesopen.com>
5714 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5715 (TARGET_ASM_CLOSE_PAREN): Likewise.
5716 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5717 (TARGET_ASM_CLOSE_PAREN): Likewise.
5719 2006-09-12 Roger Sayle <roger@eyesopen.com>
5722 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5723 frame information for frames larger than 512 Kbytes on Tru64 when
5724 using the native assembler.
5726 2006-09-12 Roger Sayle <roger@eyesopen.com>
5730 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5731 and symbols. Instead use the implementation from cse.c's hash_rtx.
5733 2006-09-12 Jan Hubicka <jh@suse.cz>
5735 PR rtl-optimization/28071
5736 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5737 (vect_transform_loop): Likewise.
5738 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5739 (new_loop_vec_info): Likewise.
5740 (destroy_loop_vec_info): Likewise.
5741 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5742 (create_stmt_ann): Likewise.
5743 (create_tree_ann): Rename to ...
5744 (create_tree_common_ann): ... this one; allocate only the common part
5746 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5747 (get_value_handle): Likewise.
5748 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5749 get_tree_common_ann.
5750 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5751 (vinfo_for_stmt): Use stmt annotations.
5752 * tree-flow.h (tree_ann_common_t): New type.
5753 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5754 (tree_ann, get_tree_ann, create_tree_ann): New.
5755 * tree-flow-inline.h (get_function_ann): Do more type checking.
5756 (stmt_ann): Likewise.
5757 (tree_ann): Rename to ...
5758 (tree_common_ann): ... this one; return ony common_ann
5759 (get_tree_ann): Rename to ...
5760 (tree_common_ann): This one; return only common_ann.
5761 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5764 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5766 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5767 with_cpu by default.
5769 * dwarf2out.c (dwarf_file_data): New.
5770 (enum dw_val_class): Add dw_val_class_file.
5771 (struct dw_val_struct): Add val_file.
5772 (file_table): Change to a hash table.
5773 (file_table_emitted): Delete.
5774 (file_table_last_lookup_index): Delete.
5775 (emitcount): Delete.
5776 (last_emitted_file): New.
5777 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5778 (init_file_table): Delete.
5779 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5780 (AT_addr): Add comment.
5784 (print_die): Handle dw_val_class_file.
5785 (print_dwarf_line_table): Update for new file table structure.
5786 (attr_checksum): Do checksum a filename.
5787 (same_dw_val_p, same_attr_p): Do compare a filename.
5788 (size_of_die): Handle dw_val_class_file.
5789 (value_format): Likewise.
5790 (output_die): Likewise. Also, call maybe_emit_file here.
5791 (struct file_info): Constify filenames. Make file_idx a pointer
5792 to a struct dwarf_file_data.
5793 (struct dir_info): Constify directory names. Remove 'used' field.
5794 (struct file_name_acquire_data): New.
5795 (file_name_acquire): New.
5796 (output_file_names): Modify to handle new file data structures.
5797 (add_src_coords_attributes): Use add_AT_file.
5798 (add_call_src_coords_attributes): Likewise.
5799 (dwarf2out_imported_module_or_decl): Likewise.
5800 (gen_subprogram_die): Modify for new file data structures.
5801 (gen_variable_die): Likewise.
5802 (file_table_eq): New.
5803 (file_table_hash): New.
5804 (file_table_last_lookup): New.
5805 (lookup_filename): Rewrite to handle new file data structures.
5806 (maybe_emit_file): Rewrite to handle new file data structures.
5807 (dwarf2out_source_line): Always call lookup_filename and
5809 (dwarf2out_init): Create file_table here.
5810 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5811 (file_table_relative_p): New.
5812 (dwarf2out_finish): Change detection of relative filenames
5813 to work with new file data structures. Move output_line_info call
5814 after debug_info output.
5816 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5821 * config/i386/i386.c (override_options): Always default to 16
5822 byte stack boundary.
5824 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5827 * var-tracking.c (dump_dataflow_set): Start dumping at
5829 (clobber_variable_part): Kill only the variable part in
5830 registers holding it, leaving other variables alone.
5832 2006-09-11 Josh Triplett <josh@freedesktop.org>
5834 * doc/extend.texi (Other Builtins): Actually use the macro
5835 argument in the documentation example for
5836 __builtin_types_compatible_p.
5838 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5840 PR rtl-optimization/28726
5841 * sched-deps.c (sched_analyze_reg): New function extracted from...
5842 (sched_analyze_1): ...here. Call it to analyze references to
5843 registers. Treat again writes to a stack register as writing to the
5845 (sched_analyze_2): ...and here. Call it to analyze references to
5846 registers. Treat again reads of a stack register as reading the
5849 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5850 David Edelsohn <edelsohn@gnu.org>
5853 * config/rs6000/spe.md (frob_df_di): Remove %H.
5854 (frob_di_df): Remove %H. Change evmergelo to mr.
5855 (frob_di_df_2): Remove %H. Change evldd to two loads.
5857 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5859 * doc/cpp.texi: Fix names of charset options.
5861 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5864 * config/i386/i386.c (override_options): Use 128-bit
5865 stack boundary always for 64bits.
5867 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5869 PR rtl-optimization/28636
5870 * combine.c (force_to_mode): Test for side-effects before
5871 substituting by zero.
5872 (simplify_shift_const): Likewise for zero or other constants.
5874 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5877 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5880 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5883 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5884 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5885 returned by mode_for_size, rather than the mode of src itself,
5886 to choose between 32-bit and 64-bit patterns.
5887 (mips_mem_fits_mode_p): New function.
5888 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5889 that the size of the source matches the size of the destination.
5890 (mov_<store>l, mov_<store>r): Likewise.
5892 2006-09-10 Eric Christopher <echristo@apple.com>
5894 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5897 2006-09-09 Eric Christopher <echristo@apple.com>
5900 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5903 2006-09-09 Roger Sayle <roger@eyesopen.com>
5904 Nicolas Setton <setton@adacore.com>
5906 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5908 2006-09-10 Andreas Schwab <schwab@suse.de>
5910 * config/m68k/m68k.md (bungt_rev): New pattern.
5912 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5913 Dale Johannesen <dalej@apple.com>
5916 * regclass.c (struct reg_pref): Update documentation.
5917 (regclass): Set prefclass to NO_REGS if memory is the best option.
5918 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5920 2006-09-08 Eric Christopher <echristo@apple.com>
5922 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5923 * config/t-slibgcc-darwin: Support x86_64 multilib.
5924 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5925 Return 1 for x86_64-darwin.
5926 * config/i386/t-darwin: Add m64 multilib.
5927 (LIB2_SIDITI_CONV_FUNCS): Use.
5928 (LIB2FUNCS_EXTRA): Ditto.
5929 * config/i386/darwin.h: Support x86_64.
5930 * config/i386/i386.c (override_options): Turn on flag_pic
5931 for x86_64-darwin. Disable flag_omit_pointer.
5932 (get_pc_thunk_name): Assert !TARGET_64BIT.
5933 (legitimate_address_p): Disable machopic addressing for
5935 (legitimize_pic_address): Ditto.
5936 (ix86_expand_move): Ditto.
5937 (ix86_expand_call): Ditto.
5938 (machopic_output_stub): Ditto.
5939 * config/darwin.c (machopic_select_section): Support literal16.
5940 (machopic_select_rtx_section): Ditto.
5941 * config/darwin-sections.def: Ditto.
5942 * config/darwin-64.c: New.
5944 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5947 * c-tree.h (struct c_arg_info): Add pending_sizes.
5948 * c-parser.c (c_parser_parms_declarator,
5949 c_parser_parms_list_declarator): Initialize pending_sizes.
5950 * c-decl.c (get_parm_info): Initialize pending_sizes.
5951 (get_parm_info): Set pending_sizes.
5952 (grokdeclarator): Call put_pending_sizes for parameters for
5953 function definition only.
5955 2006-09-07 Jason Merrill <jason@redhat.com>
5958 * varasm.c (output_constant): Only strip actual no-op conversions.
5961 * config/i386/i386.c (override_options): Use 128-bit
5962 stack boundary if -msse.
5964 2006-09-07 Eric Christopher <echristo@apple.com>
5966 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5968 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5971 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5973 * dwarf2out.c: Remove strange characters from comment above
5974 dwarf2out_frame_debug_expr.
5976 2006-09-07 Eric Christopher <echristo@apple.com>
5978 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5979 * config/darwin.h: ... to here.
5981 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5983 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5985 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5986 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5988 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5989 TARGET_PARTIAL_FLAG_REG_STALL.
5990 (*ashldi3_cconly_rex64): Likewise.
5991 (*ashlsi3_cmp): Likewise.
5992 (*ashlsi3_cconly): Likewise.
5993 (*ashlsi3_cmp_zext): Likewise.
5994 (*ashlhi3_cmp): Likewise.
5995 (*ashlhi3_cconly): Likewise.
5996 (*ashlqi3_cmp): Likewise.
5997 (*ashlqi3_cconly): Likewise.
5998 (*ashrdi3_cmp_rex64): Likewise.
5999 (*ashrdi3_cconly_rex64): Likewise.
6000 (*ashrsi3_cmp): Likewise.
6001 (*ashrsi3_cconly): Likewise.
6002 (*ashrsi3_cmp_zext): Likewise.
6003 (*ashrhi3_cmp): Likewise.
6004 (*ashrhi3_cconly): Likewise.
6005 (*ashrqi3_cmp): Likewise.
6006 (*ashrqi3_cconly): Likewise.
6007 (*lshrdi3_cmp_rex64): Likewise.
6008 (*lshrdi3_cconly_rex64): Likewise.
6009 (*lshrsi3_cmp): Likewise.
6010 (*lshrsi3_cconly): Likewise.
6011 (*lshrsi3_cmp_zext): Likewise.
6012 (*lshrhi3_cmp): Likewise.
6013 (*lshrhi3_cconly): Likewise.
6014 (*lshrqi2_cmp): Likewise.
6015 (*lshrqi2_cconly): Likewise.
6017 2006-09-07 Uros Bizjak <uros@kss-loka.si>
6020 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
6021 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
6022 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
6023 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
6024 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
6025 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
6026 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
6027 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
6028 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
6029 implement only CC setting effects of shift instructions.
6031 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
6033 * doc/contrib.texi: Add myself.
6035 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
6038 * stor-layout.c (relayout_decl): Don't zero the alignment if it
6039 was set by the user.
6041 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
6044 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
6045 (divsi_inv_m1): Use them.
6046 (UNSPEC_DIV_INV_TABLE): New constant.
6048 2006-09-06 James E Wilson <wilson@specifix.com>
6051 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
6052 then call count_or_remove_death_notes.
6054 2006-09-06 Jason Merrill <jason@redhat.com>
6057 * tree-inline.c (copy_result_decl_to_var): New fn.
6058 (declare_return_variable): Use it. Call declare_inline_vars here.
6059 (expand_call_inline): Not here.
6061 2006-09-06 Diego Novillo <dnovillo@redhat.com>
6063 * doc/contrib.texi: Update my entry.
6065 2006-09-06 Nick Clifton <nickc@redhat.com>
6067 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
6069 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6072 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
6073 (canonicalize_induction_variables): Likewise.
6074 (tree_unroll_loops_completely): Likewise.
6075 (tree_ssa_prefetch_arrays): Likewise.
6076 (remove_empty_loops): Likewise.
6077 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
6078 TODO_cleanup_cfg instead of directly calling
6079 cleanup_tree_cfg_loop.
6080 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
6082 (tree_unroll_loops_completely): Likewise.
6083 (remove_empty_loops): Likewise.
6084 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
6085 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
6086 of tree_ssa_unswitch_loops.
6087 (tree_ssa_loop_ivcanon): Use the return value of
6088 canonicalize_induction_variables.
6089 (tree_ssa_empty_loop): Use the return value of
6091 (tree_complete_unroll): Use the return value of
6092 tree_unroll_loops_completely.
6093 (tree_ssa_loop_prefetch): Use the return value of
6094 tree_ssa_prefetch_arrays.
6095 * passes.c (execute_todo): Before Cleanup CFG, set
6096 updating_used_alone and after cleanup CFG, call
6097 recalculate_used_alone.
6099 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6102 * tree-vect-transform.c (vectorizable_condition): Move the check
6103 for the type after the check for simple condition.
6105 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
6106 Kaz Kojima <kkojima@gcc.gnu.org>
6109 * mode-switching.c (optimize_mode_switching): Make the destination
6110 block of an abnormal edge have no anticipatable mode. Don't
6111 insert mode switching code at the end of the source block of
6114 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
6116 PR rtl-optimization/26847
6117 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
6118 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
6119 (simplify_plus_minus): Count n_constants while filling ops. Replace
6120 qsort with insertion sort. Before going through the array to simplify
6121 pairs, sort it. Delay early exit until after the first sort, exiting
6122 only if no swaps occurred. Simplify pairs in reversed order, without
6123 special-casing the first iteration. Pack ops after simplifying pairs.
6125 2006-09-05 Anatoly Sokolov <aesok@post.ru>
6127 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
6128 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6129 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6130 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
6132 2006-09-05 Richard Guenther <rguenther@suse.de>
6134 PR tree-optimization/28900
6135 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
6136 compound conditional before creating COND_EXPR condition.
6138 2006-09-05 Richard Guenther <rguenther@suse.de>
6140 PR tree-optimization/28905
6141 * tree-vrp.c (fix_equivalence_set): Manually implement
6142 !value_ranges_intersect_p to also handle symbolic ranges.
6144 2006-09-05 Richard Guenther <rguenther@suse.de>
6147 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
6150 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6152 PR rtl-optimization/27616
6153 * cse.c (table_size): New static variable.
6154 (new_basic_block): Initialize it to 0.
6155 (remove_from_table): Decrement it.
6156 (insert): Increment it.
6157 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
6158 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
6159 fold_rtx_mem_1 if under the cap.
6160 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
6161 the lookup of the equivalent expression and test for equality of the
6162 first operand of the equivalent expression before in turn looking up
6163 an equivalent constant for the second operand.
6165 2006-09-02 Geoffrey Keating <geoffk@apple.com>
6168 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6169 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6170 pointer, instead of assuming it is possible to derive the
6171 correct args size from a call insn.
6173 2006-09-02 Jakub Jelinek <jakub@redhat.com>
6176 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
6177 (fold_builtin_mempcpy): Rename to...
6178 (fold_builtin_memory_op): ... this. Optimize one element copy
6180 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
6182 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
6183 (expand_builtin_memcpy, expand_builtin_mempcpy,
6184 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
6185 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
6186 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
6187 BUILT_IN_MEM{CPY,PCPY,MOVE}.
6189 2006-09-01 DJ Delorie <dj@redhat.com>
6191 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
6192 (stzx_16): Likewise.
6193 ("stzx_24_<mode>"): Likewise.
6194 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
6195 ("cmp<mode>_op"): New.
6196 (cmp<mode>): Change to expander; just save operands.
6198 (b<code>): Change to expander, emit compare here.
6199 (s<code>_op): Change to use split and expander.
6200 (s<code>_24_op): Likewise.
6201 (s<code>_<mode>): New.
6202 (s<code>_<mode>_24): New.
6203 (movqicc_<code>_<mode): New.
6204 (movhicc_<code>_<mode>): New.
6207 * config/m32c/m32c.c (compare_op0, compare_op1): New.
6208 (m32c_pend_compare): New.
6209 (m32c_unpend_compare): New.
6210 (m32c_expand_scc): New.
6211 (m32c_expand_movcc): Emit the compare also.
6212 * config/m32c/predicates.md (mra_nopp_operand): New.
6214 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
6215 Richard Guenther <rguenther@suse.de>
6216 Adam Nemet <anemet@caviumnetworks.com>
6219 * builtins.c (get_pointer_alignment): Handle more forms
6220 of base addresses that can be used to derive more precise
6221 information about alignment.
6223 2006-09-01 Jason Merrill <jason@redhat.com>
6226 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
6229 * gimplify.c (voidify_wrapper_expr): Handle null type.
6231 2006-09-01 Josh Conner <jconner@apple.com>
6234 * tree-nrv.c (dest_safe_for_nrv_p): New function.
6235 (execute_return_slot_opt): Use it.
6237 2006-08-31 Josh Conner <jconner@apple.com>
6240 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
6241 returning aggregates.
6243 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
6245 PR tree-optimization/28839
6246 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
6247 blocks in that phi arguments appear.
6249 2006-08-31 Roger Sayle <roger@eyesopen.com>
6252 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
6253 NULL, otherwise use an advance_loc4 to adjust relative to the
6255 (output_cfi) <DW_CFA_set_loc>: Update the current label.
6256 (dwarf2out_switch_text_section): Reset the current label to avoid
6257 using advance_loc4 over section boundaries.
6259 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
6262 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
6263 r12 + SYMBOLIC_CONST.
6265 2006-08-30 Richard Guenther <rguenther@suse.de>
6267 * Makefile.in (see.o): Add $(EXPR_H) dependency.
6269 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
6271 PR rtl-optimization/27735
6272 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
6273 Add new argument to keep track of whether an irreducible region
6274 was affected. All callers changed.
6275 (fix_irreducible_loops): Removed.
6276 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
6277 flags were invalidated.
6279 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
6281 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
6282 instead of SF operands.
6283 (*fop_df_comm_sse): Likewise.
6284 (*fop_df_comm_i387): Likewise.
6285 (*fop_df_1_mixed): Likewise.
6286 (*fop_df_1_sse): Likewise.
6288 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6289 J"orn Rennecke <joern.rennecke@st.com>
6291 PR tree-optimization/17506
6292 * tree-ssa.c (warn_uninit): If warning about a location outside of
6293 the current function, note where the variable was declared.
6295 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
6297 PR tree-optimization/28411
6298 * double-int.c (double_int_div): Use double_int_divmod.
6299 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
6300 double_int_mod, double_int_smod, double_int_umod): New functions.
6301 * double-int.h (double_int_divmod, double_int_sdivmod,
6302 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
6304 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
6306 (get_computation_aff, get_computation_cost_at): Handle double_int
6307 return type of constant_multiple_of.
6309 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
6312 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
6313 an implicit conversion.
6315 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
6317 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
6319 2006-08-27 Roger Sayle <roger@eyesopen.com>
6321 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
6324 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
6326 * config/i386/crtfastmath.c: Fix a comment typo.
6328 2006-08-26 Roger Sayle <roger@eyesopen.com>
6330 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
6331 temporary visit flags on CASE_LABEL_EXPRs.
6332 * c-common.c (match_case_to_enum): Add function comment. Avoid
6333 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
6334 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
6335 CASE_HIGH_SEEN for enumerated types. If the switch expression is
6336 a constant, only warn if that constant value isn't handled.
6338 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
6341 * input.h (restore_input_file_stack): Declare.
6342 (INPUT_FILE_STACK_BITS): Define.
6343 * toplev.c (fs_p, input_file_stack_history,
6344 input_file_stack_restored, restore_input_file_stack): New.
6345 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
6346 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
6347 (pop_srcloc): Don't free old state of stack.
6349 2006-08-26 David Edelsohn <edelsohn@gnu.org>
6352 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
6353 (PowerPC Type Attributes): New.
6355 2006-08-26 Bob Wilson <bob.wilson@acm.org>
6357 * config/xtensa/xtensa.c (function_arg_boundary): New.
6358 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
6360 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
6361 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
6363 2006-08-26 Jakub Jelinek <jakub@redhat.com>
6366 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
6369 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6371 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
6372 (verify_local_live_at_start): Likewise.
6374 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6377 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
6378 omp_add_variable): Treat sizes as variable whenever not
6381 2006-08-26 Richard Guenther <rguenther@suse.de>
6384 * fold-const.c (fold_binary): Fold temporary to correct
6385 type before constructing new comparison.
6387 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
6390 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
6391 variable again if DECL_SEEN_IN_BIND_EXPR_P.
6393 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6396 * c-decl.c (start_function): Don't try to process prototype
6397 information from old declaration that isn't a function.
6399 2006-08-25 Jan Hubicka <jh@suse.cz>
6402 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
6404 2006-08-25 Alan Modra <amodra@bigpond.net.au>
6407 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
6410 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
6412 PR tree-optimization/16876
6413 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
6414 exit if PARM doesn't match VALUE.
6416 2006-08-25 Bob Wilson <bob.wilson@acm.org>
6418 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
6419 literal_prefix directive.
6420 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
6421 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6422 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6424 2006-08-25 David Edelsohn <edelsohn@gnu.org>
6427 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
6428 predicate to general_operand. Add 0->y and I->r alternatives.
6430 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
6432 * doc/tm.texi: Fix a typo.
6433 * predict.c: Fix comment typos.
6435 2006-08-25 Nick Clifton <nickc@redhat.com>
6437 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
6438 assertions of "cpu" and "machine".
6440 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
6443 * tree-ssa-operands.c (access_can_touch_variable): Don't say
6444 the access through a base which has an alias set of 0 cannot
6447 2006-08-24 Bill Wendling <wendling@apple.com>
6449 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
6451 2006-08-24 Jan Hubicka <jh@suse.cz>
6453 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
6455 2006-08-24 Jan Hubicka <jh@suse.cz>
6458 * cgraph.c: Fix comments.
6459 (cgraph_varpool_mark_needed_node): Mark only variables not already
6461 * cgraphunit.c: Update comments; include gt-cgraphunit.h
6462 (cgraph_varpool_assembled_nodes_queue): New static variable.
6463 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
6464 (cgraph_varpool_output_debug_info): New function.
6465 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
6466 * Makefile.in: Add gt-cgraphunit.h
6468 2006-08-24 Jan Hubicka <jh@suse.cz>
6470 * predict.c (probability_reliable_p): New predicate.
6471 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
6472 (predict_loops): Do not predict loop exit with less than 2%
6474 * basic-block.h (edge_probability_reliable_p,
6475 br_prob_note_reliable_p): Declare.
6476 * ia64.h (ia64_print_operand): Do not disable on-chip branch
6477 prediction when static predictor is not reliable.
6478 * rs6000.c (output_cbranch): Likewise.
6480 2006-08-23 Stuart Hastings <stuart@apple.com>
6483 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
6484 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
6486 2006-08-21 Geoffrey Keating <geoffk@apple.com>
6489 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
6490 complex values, nor for generic vector values.
6492 2006-08-22 Richard Guenther <rguenther@suse.de>
6495 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
6496 parameter. Convert arguments to arithmetic expression to the
6498 (analyze_scalar_evolution_1): Adjust caller.
6500 2006-08-22 Jan Hubicka <jh@suse.cz>
6502 Patch by Paolo Bonzini
6503 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
6506 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
6508 PR tree-optimization/28003
6509 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
6510 before grouping aliases.
6512 2006-08-22 Roger Sayle <roger@eyesopen.com>
6514 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
6515 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
6517 2006-08-21 Jason Merrill <jason@redhat.com>
6520 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
6521 wrapper. Loop to handle nested wrappers.
6522 (gimplify_bind_expr): Remove temp parameter.
6523 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
6524 and STATEMENT_LIST on the rhs.
6525 (gimplify_statement_list): Voidify the STATEMENT_LIST.
6526 (gimplify_expr): Pass pre_p to gimplify_statement_list.
6527 (gimplify_target_expr): Remove special BIND_EXPR handling.
6529 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
6531 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
6534 2006-08-21 Olivier Hainque <hainque@adacore.com>
6536 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
6537 Arrange for the temporary captures of components overlapping the lhs
6538 to happen before the lhs is possibly cleared.
6540 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
6542 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
6543 necessary places to pass the correct "number of registers" values
6546 2006-08-20 Jan Hubicka <jh@suse.cz>
6548 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
6549 (create_name_tags): Instead of quadratic checking use hashtable.
6550 * bitmap.h: Include hashtab.h.
6551 (bitmap_hash): Declare.
6552 * bitmap.c (bitmap_hash): New function.
6554 2006-08-20 Jan Hubicka <jh@suse.cz>
6556 PR rtl-optimization/28071
6557 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6559 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6560 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6561 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6562 cgraph_decide_inlining_incrementally): Update use of
6563 cgraph_check_inline_limits.
6564 * cgraph.c (edge_hash, edge_eq): New function.
6565 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6566 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6567 cgraph_remove_node): Maintain call site hash.
6568 * cgraph.h (struct cgraph_node): Add call_site_hash.
6569 (cgraph_set_call_stmt): New function.
6571 2006-08-20 Jan Hubicka <jh@suse.cz>
6573 PR rtl-optimization/28071
6574 * reload1.c (reg_has_output_reload): Turn into regset.
6575 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6576 choose_reload_regs, emit_reload_insns): Update to new
6577 reg_has_output_reload.
6579 2006-08-20 Jan Hubicka <jh@suse.cz>
6582 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6583 function body sizes.
6584 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6586 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6589 * tree.c (handle_dll_attribute): Return early if not a
6590 var or function decl.
6592 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6595 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6596 alignment of SPE vector types.
6598 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6600 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6602 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6605 * cgraph.h (struct cgraph_node): Remove externally_visible
6607 * cgraphunit.c (process_function_and_variable_attributes): Set
6608 local.externally_visible rather than externally_visible.
6611 * c-common.c (handle_externally_visible_attribute): First look
6612 at TREE_CODE and only if it is function or var decl, check for
6613 non-public objects. Don't warn for DECL_EXTERNAL.
6614 * cgraphunit.c (process_function_and_variable_attributes): Warn
6615 if externally_visible attribute is used on non-public object.
6617 2006-08-17 Jan Hubicka <jh@suse.cz>
6619 PR tree-optimization/27865
6620 * reload1.c (forget_marked_reloads): New function.
6621 (forget_old_reloads_1): When data are passed, just mark the registers
6623 (reload_as_needed): Use the new mechanizm.
6625 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6628 * reload.h (reg_equiv_alt_mem_list): New declaration.
6629 * reload1.c (reg_equiv_alt_mem_list): New definition.
6630 (reload): Initialize it and release it.
6631 (delete_output_reload): Use it.
6632 * reload.c (push_reg_equiv_alt_mem): New function.
6633 (find_reloads_toplev): Call it.
6634 (find_reloads_address, find_reloads_address_1): Likewise.
6635 (find_reloads_subreg_address): Likewise.
6637 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6639 PR rtl-optimization/28489
6640 * sched-ebb.c (begin_schedule_ready): Create basic block
6642 (advance_target_bb): Skip empty blocks.
6643 * haifa-sched.c (bb_note): Make global.
6644 * sched-int.h (bb_note): Add prototype.
6646 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6648 PR tree-optimization/27865
6649 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6651 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6652 fold_used_pointer, pointer_used_p): New functions.
6653 (analyze_scalar_evolution_1): Use fold_used_pointer.
6654 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6655 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6658 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6661 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6662 or the INTEGER_CST. Fail on a CALL_EXPR.
6663 (fold_offsetof): Pass new argument to fold_offsetof_1.
6664 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6665 operand into an INDIRECT_REF.
6666 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6668 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6670 PR gcov/profile/26570
6671 * value-prof.c (static_values): Removed.
6672 (tree_find_values_to_profile): Do not set static_values.
6673 (find_values_to_profile): Do not free static_values.
6674 * profile.c (instrument_values): Do not free the values.
6675 (branch_prob): Free the values.
6677 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6679 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6681 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6684 * c-typeck.c (build_component_ref): Combine qualifiers of
6685 structure or union and field.
6687 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6689 PR rtl-optimization/28071
6690 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6691 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6692 * tree-into-ssa.c (struct dom_dfsnum): New.
6693 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6695 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6696 compute_global_livein.
6697 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6698 in phi nodes in the correct blocks.
6700 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6702 PR tree-optimization/28364
6703 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6705 (fold_affine_expr): New function.
6706 (may_eliminate_iv): Use fold_affine_expr.
6708 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6711 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6714 2006-08-16 Mike Stump <mrs@apple.com>
6716 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6717 * doc/cppopts.texi (-MD): Likewise.
6719 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6722 * c-common.c (handle_weak_attribute): Ignore and warn if
6723 not a FUNCTION_ or VAR_DECL.
6725 2006-07-15 Mike Stump <mrs@apple.com>
6728 * c-parser.c (c_parser_typeof_specifier): Don't use
6729 c_finish_expr_stmt, open code desired semantics instead.
6731 2006-08-15 Nick Clifton <nickc@redhat.com>
6733 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6734 fragment to tmake_file only if threads are enabled.
6735 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6736 * config/i386/t-gthr-win32: New file. ... here.
6738 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6741 * c-parser.c (c_parser_compound_statement_nostart): Reset
6742 parser->error after each statement.
6744 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6747 * omp-low.c (lower_omp_parallel): Convert t to
6748 receiver_decl's type.
6749 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6750 source before comparison.
6753 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6754 to itype in assignment to oldival2.
6756 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6760 * c-typeck.c (build_compound_expr): If the second expression
6761 is an error mark, then just return an error mark instead of
6762 creating a COMPOUND_EXPR.
6764 2006-07-14 Mike Stump <mrs@apple.com>
6766 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6768 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6770 * c-decl.c, var-tracking.c: Fix comment typos.
6772 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6774 PR rtl-optimization/28634
6775 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6776 for floating-point modes unless flag_unsafe_math_optimizations.
6778 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6779 Andrew Pinski <pinskia@physics.uc.edu>
6782 * tree.c (build_array_type): Unify array types with
6783 unspecified index_type.
6784 * c-decl.c (grokdeclarator): Make sure we do not modify a
6785 unified incomplete array type.
6786 * c-typeck.c (store_init_value): Create distinct type before
6787 filling in the index type in an initializer from a compound
6790 * c-decl.c (grokdeclarator): Remove code where we copy the
6793 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6795 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6796 into account for TODO_dump_cgraph.
6797 (TODO_update_ssa_no_phi): Likewise.
6798 (TODO_update_ssa_full_phi): Likewise.
6799 (TODO_update_ssa_only_virtuals): Likewise.
6800 (TODO_remove_unused_locals): Likewise.
6801 (TODO_set_props): Likewise.
6802 (TODO_update_stmt_usage): Likewise.
6804 2006-08-13 Dirk Mueller <dmueller@suse.de>
6806 * c-common.c (strict_aliasing_warning): Fix formatting.
6808 2006-08-13 Matthias Klose <doko@debian.org>
6810 * doc/invoke.texi: Fix spelling errors.
6812 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6814 PR rtl-optimization/23454
6815 * reorg.c (relax_delay_slots): Update comment.
6817 2006-08-11 Richard Guenther <rguenther@suse.de>
6820 * simplify-rtx.c (simplify_const_relational_operation):
6821 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6824 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6826 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6827 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6829 2006-08-10 Paul Brook <paul@codesourcery.com>
6831 * final.c (final_scan_insn): Clear current_insn_predicate before
6832 outputting inline asm.
6834 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6836 PR tree-optimization/26197
6837 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6838 get_ref_base_and_extent and overlap_subvar to add only relevant
6839 subvars as may-aliases.
6840 (add_may_alias_for_new_tag): New function, factored out of
6842 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6843 with additional argument.
6844 * tree-flow.h (new_type_alias): Takes additional argument.
6846 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6848 * gcov.c (no_data_file): New flag.
6849 (read_count_file): Set it if data file not present. Assume counts
6851 (output_lines): Don't name the data file, if there wasn't one.
6853 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6855 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6856 (rs6000_generate_compare): Tweak comments.
6857 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6859 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6861 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6862 (var_debug_decl): New function.
6863 (var_reg_set): Follow debug decl link. Add location even if
6864 reg is already known to hold some other variable.
6865 (var_mem_set): Follow debug decl link.
6866 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6867 decl link. Delete other known locations of the variable part
6869 (var_reg_delete, var_mem_delete): Delete other known locations
6870 of the variable part if requested.
6871 (same_variable_part_p): New function.
6872 (add_stores): Select MO_COPY when appropriate.
6873 (vt_initialize): Handle it.
6874 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6875 known locations for MO_SET and MO_CLOBBER.
6876 (find_variable_location_part): New function.
6877 (set_variable_part, delete_variable_part): Use it.
6878 (clobber_variable_part): New function.
6879 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6882 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6884 PR tree-optimization/26969
6885 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6886 with an empty list of PHIs.
6888 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6892 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6895 2006-08-06 Andreas Schwab <schwab@suse.de>
6897 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6898 string. Whitespace and comment fixup.
6900 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6903 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6907 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6910 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6912 2006-08-04 Jan Hubicka <jh@suse.cz>
6916 * reload.c (push_reload): Patch out the mismatching instruction;
6918 (find_reload): Bail out if the instruction was patched out.
6920 2006-08-04 Jan Hubicka <jh@suse.cz>
6922 PR tree-optimization/24888
6923 * tree-inline.c (expand_call_inline): Do not re-record variables.
6924 (declare_inline_vars): Add variable to unexpanded_var_list.
6926 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6927 Roger Sayle <roger@eyesopen.com>
6929 PR rtl-optimization/26244
6930 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6931 inner_const are negative or greater than or equal to the bitsize of
6932 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6933 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6934 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6935 CONST0_RTX (mode) when the new shift count is greater than or equal to
6936 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6939 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6941 * tree-cfg.c: Fix a comment typo.
6943 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6946 * varasm.c (output_constant): Give the front end another chance to
6947 expand constants, after stripping NOPs.
6949 2006-08-03 Jan Hubicka <jh@suse.cz>
6951 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6954 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6956 PR tree-optimization/27770
6957 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6958 declaration removed (moved to tree-flow.h).
6959 (vect_can_force_dr_alignment_p): Likewise.
6960 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6961 (moved from tree-vectorizer.h).
6962 (vect_can_force_dr_alignment_p): Likewise.
6963 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6964 from outside the vectorizer - in particular from cgraph stage.
6965 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6966 the alignment of global arrays when -fsection-anchors is enabled.
6967 * cgraphunit.c (cgraph_increase_alignment): New function.
6968 (cgraph_optimize): Call cgraph_increase_alignment.
6970 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6973 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6974 not reload a SPE symbol_ref into a lo_sum address.
6976 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6979 * dwarf2out.c (prune_unused_types_prune): Move call to
6980 prune_unused_types_update_strings to cover the parent DIE also.
6982 2006-08-02 Jan Hubicka <jh@suse.cz>
6984 PR gcov/profile/28480
6985 * tree-cfg.c (change_bb_for_stmt): New function.
6986 (tree_merge_blocks, tree_split_blocks): Use it.
6988 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6994 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6995 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6996 (cgraph_optimize): Likewise.
6998 2006-08-01 Stuart Hastings <stuart@apple.com>
7000 * rtl.h (UINTVAL) New.
7001 * config/rs6000/rs6000.c (SMALL_INT) Use it.
7002 * testsuite/gcc.dg/20060801-1.c: New.
7004 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
7007 * c-typeck.c (build_external_type): Mark used enum types.
7008 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
7010 (gen_subprogram_die): Whitespace fix.
7012 2006-08-01 Jan Hubicka <jh@suse.cz>
7014 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
7015 bitmap when not needed.
7016 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
7019 2006-08-01 Dirk Mueller <dmueller@suse.de>
7021 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
7023 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7025 * Makefile.in: Revert part of previous patch:
7026 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
7029 2006-07-30 Eric Christopher <echristo@apple.com>
7032 * doc/extend.texi (i386 Variable Attributes): Add anchor.
7033 (PowerPC Variable Attributes): New section.
7035 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
7037 PR target/28126 (partial fix)
7038 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
7040 2006-07-28 Jan Hubicka <jh@suse.cz>
7042 PR rtl-optimization/28071
7043 * cfgrtl.c (rtl_delete_block): Free regsets.
7044 * flow.c (allocate_bb_life_data): Re-use regsets if available.
7046 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7048 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
7049 and variables used in dependencies.
7051 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
7053 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
7054 %fs for -mcmodel=kernel.
7055 (stack_tls_protect_test_di): Likewise.
7057 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
7059 * Makefile.in: Use mkinstalldirs.
7061 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
7064 * opts-common.c (prune_options): Skip joined switches.
7066 2006-07-27 Jan Hubicka <jh@suse.cz>
7068 PR rtl-optimization/28071
7069 * cselib.c (cselib_process_insn): Don't remove useless values too
7070 often for very large hashtables.
7072 2006-07-27 Jan Hubicka <jh@suse.cz>
7074 PR rtl-optimization/28071
7075 * global.c (greg_obstack): New obstack.
7076 (allocate_bb_info): Use it.
7077 (free_bb_info): Likewise.
7078 (modify_reg_pav): Likewise.
7080 2006-07-27 Roger Sayle <roger@eyesopen.com>
7082 * builtins.c (fold_fixed_mathfn): When long and long long are the
7083 same size, canonicalize llceil*, llfloor*, llround* and llrint*
7084 functions to their lceil*, lfloor*, lround* and lrint* forms.
7086 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7089 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
7091 (rev_branch_insn): Likewise.
7093 2006-07-27 Jan Hubicka <jh@suse.cz>
7095 PR rtl-optimization/28071
7096 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
7097 (reg_set_in_bb, max_reg_computed): New static variables.
7098 (regmove_optimize): Free the new array.
7099 (fixup_match_1): Update call of reg_is_remote_constant_p.
7101 2006-07-26 Jan Hubicka <jh@suse.cz>
7103 PR tree-optimization/27882
7104 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
7106 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
7108 (cgraph_analyze_compilation_unit): Likewise.
7109 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
7110 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
7111 (cgraph_early_inlinine): Make order garbage collected.
7112 * Makefile.in (gt-ipa-inline): New garbagecollected file.
7114 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
7116 * dbxout.c (output_types_sort): Add a comment.
7117 (output_used_types): Free the VEC.
7119 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
7121 * function.c (reorder_fix_fragments): Delete.
7122 (reorder_blocks): Don't call it.
7123 (reorder_blocks_1): Put all subblocks under the origin block.
7125 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
7127 PR rtl-optimization/27907
7128 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
7131 2006-07-25 Roger Sayle <roger@eyesopen.com>
7134 * convert.c (convert_to_integer): When transforming (T)foo(x) into
7135 bar(x) check that bar's result type can represent all the values of T.
7137 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
7139 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
7141 2006-07-25 Nick Clifton <nickc@redhat.com>
7143 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
7144 size_lookup[] array.
7145 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
7146 (ggc_pch_count_object): Likewise.
7147 (ggc_pch_alloc_object): Likewise.
7148 (ggc_pch_write_object): Likewise.
7149 (init_ggc): Do not attempt to initialize entries in the
7150 size_lookup[] array for objects whose size is greater than than
7151 the length of the array.
7153 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
7155 * dbxout.c (output_used_types_helper): Push queued types
7157 (output_types_sort): New.
7158 (output_used_types): Collect used types on a VEC and sort them
7161 2006-07-24 Richard Guenther <rguenther@suse.de>
7164 * cgraph.c (cgraph_remove_node): Do not check if dumps
7166 * cgraphunit.c (cgraph_optimize): Likewise.
7168 2006-07-24 Jan Hubicka <jh@suse.cz>
7170 PR rtl-optimization/28071
7171 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
7172 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
7173 splitting before first stmt.
7175 2006-07-24 Jan Hubicka <jh@suse.cz>
7177 PR rtl-optimization/28071
7178 * ipa-inline.c (update_caller_keys): Remove edges that
7179 are no longer inline candidates.
7181 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
7184 * dbxout.c (output_used_types_helper, output_used_types): New.
7185 (dbxout_symbol): Call output_used_types.
7187 2006-07-23 Jan Hubicka <jh@suse.cz>
7191 * cgraph.c (cgraph_varpool_nodes): Export.
7192 (decide_is_variable_needed): Ignored "used" attribute in
7193 unit-at-a-time mode.
7194 * cgraph.h (cgraph_varpool_nodes): Declare.
7195 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
7196 unit-at-a-time mode.
7198 2006-07-23 Roger Sayle <roger@eyesopen.com>
7201 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
7202 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
7203 the __gthrw form of thr_keycreate.
7204 (__gthread_key_delete): Silence the unused argument warning.
7206 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
7209 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
7210 Cache the last found '\0' marker to avoid quadratic behavior.
7212 2006-07-23 Jan Hubicka <jh@suse.cz>
7214 * i386.md (subsi_3_zext): Fix output template.
7216 2006-07-21 Mike Stump <mrs@apple.com>
7218 * doc/invoke.texi (C++ Dialect Options): Note that
7219 -fvisibility-inlines-hidden doesn't affect explicitly
7220 instantiationed inline methods.
7222 2006-07-20 Roger Sayle <roger@eyesopen.com>
7224 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
7225 if the target assembler is GNU binutils' gas.
7226 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
7227 whether to pass GNU gas or native as command line options.
7229 2006-07-20 Jason Merrill <jason@redhat.com>
7231 * tree.c (remove_attribute): New fn.
7232 * tree.h: Declare it.
7234 2006-07-20 Paul Brook <paul@codesourcery.com>
7237 * cse.c (cse_insn): Add destination addresses to hash table. Check if
7238 they are invalidated by this instruction.
7240 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
7243 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
7245 2006-07-20 Eric Christopher <echristo@apple.com>
7248 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
7250 2006-07-19 Eric Christopher <echristo@apple.com>
7252 * config/t-slibgcc-darwin (stmp-lipo): Remove.
7253 Rewrite dependencies for libgcc_s.1.dylib.
7255 2006-07-19 Jakub Jelinek <jakub@redhat.com>
7257 * except.c (duplicate_eh_regions_1): Clear next_peer.
7259 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
7261 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
7262 -mlongcall does not guarantee all calls will be long.
7263 * doc/extend.texi (long_call/short_call): Document that longcall
7264 does not guarantee a long call will be used.
7265 (longcall/shortcall): Likewise.
7267 2006-07-18 Roger Sayle <roger@eyesopen.com>
7270 * expmed.c (expand_shift): Additionally check that the shift_cost
7271 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
7272 before implementing a LSHIFT_EXPR as a sequence of additions.
7273 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
7274 middle-end that DImode shifts need to be synthesized by expand.
7276 2006-07-18 Diego Novillo <dnovillo@redhat.com>
7279 * tree-ssa-operands.c (access_can_touch_variable): Update
7281 Return true if ALIAS is .GLOBAL_VAR.
7283 2006-07-18 David Daney <ddaney@avtrex.com>
7285 * gcc.c (display_help): Fix typo in help text.
7287 2006-07-18 Olivier Hainque <hainque@adacore.com>
7289 * tree.h (categorize_ctor_elements): Adjust prototype and add
7290 descriptive comment, both in accordance with the interface change
7292 * varasm.c (constructor_static_from_elts_p): New function.
7293 Whether a constructor node is a valid static constant initializer
7294 if all its elements are.
7295 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
7296 * output.h: Declare it.
7297 * expr.c (categorize_ctor_elements_1): Return whether the constructor
7298 is a valid constant initializer instead of computing the number of
7299 non-constant elements. Use constructor_static_from_elts_p for this
7300 purpose. Replace the head comment with an indication that this is a
7301 helper for categorize_ctor_elements.
7302 (categorize_ctor_elements): Same interface change as for the _1
7303 helper. Former head comment from this helper moved here, adjusted to
7304 account for the interface changes.
7305 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
7306 (all_zeros_p): Likewise.
7307 * gimplify.c (gimplify_init_constructor): Decide whether we can make
7308 static versions of the constructor from the categorize_ctor_elements
7309 return value instead of the formerly computed number of non-constant
7312 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
7314 * configure: Regenerate.
7315 * Makefile.in (build_libsubdir): New configure substitution
7316 (build_libobjdir): New variable.
7317 (BUILD_LIBIBERTY): Use it.
7319 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7322 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
7324 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
7327 * c-common.c (handle_weakref_attribute): Ignore attribute in
7328 the same conditions the alias attribute is ignored.
7330 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
7332 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
7333 (dbxout_begin_prologue): Increment scope_labelno.
7335 2006-07-17 Richard Henderson <rth@redhat.com>
7338 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
7341 2006-07-17 Roger Sayle <roger@eyesopen.com>
7342 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7344 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
7345 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
7346 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
7347 functions such as sbrk, write, etc.. Add function prototypes.
7348 Convert function declarations from K&R to ISO C. Cast pointers
7349 to "long" and "unsigned long" instead of "int" and "unsigned int".
7350 Convert tokens following #endif into comments.
7352 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
7354 * invoke.texi: Remove mention of f77; Reformat table for
7355 inline parameter options correctly; mention that -malign-double
7356 is default on x86-64 targets.
7358 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
7360 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
7361 (convert_affine_scev, chrec_convert_aggressive): Use
7362 avoid_arithmetics_in_type_p. Do not check for the subtypes
7365 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7368 * optabs.c (expand_doubleword_shift): Wrap the call to
7369 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
7371 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7374 * optabs.c (expand_binop): Pass next_methods rather than methods
7375 to expand_doubleword_shift.
7377 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
7380 * tree.h (dump_addr): Declare.
7381 * print-tree.c (dump_addr): New function.
7382 (print_node_brief, print_node): Use it.
7383 * print-rtl.c (print_rtx): Likewise.
7384 * common.opt (-fdump-noaddr): New option.
7385 * doc/invoke.texi (-fdump-noaddr): Document.
7386 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
7387 (ve_info_hash): Likewise.
7389 2006-07-13 Andrew Haley <aph@redhat.com>
7391 PR tree-optimization/19505
7392 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
7393 edge leaving this block, make sure that the destination of this
7394 block has only one predecessor.
7396 2006-07-17 Richard Guenther <rguenther@suse.de>
7398 PR tree-optimization/28238
7399 * tree-inline.c (copy_bb): Check if we produced valid
7400 gimple copying and substituting a stmt. If not, gimplify
7403 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
7405 * optabs.c (maybe_encapsulate_block): New function extracted from...
7406 (emit_libcall_block): ...here. Invoke it on the block of insns to
7407 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
7408 (emit_no_conflict_block): Likewise.
7410 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7412 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
7414 2006-07-15 Roger Sayle <roger@eyesopen.com>
7416 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
7417 a new NOP_EXPR case of the switch statement.
7419 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
7422 * stor-layout.c (place_field): Take the bit field with
7423 an excessive size into account in the ms-bitfiled case.
7426 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
7427 the previous bit field.
7429 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
7432 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
7434 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7436 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
7437 signal frames correctly even when the signal was installed with
7440 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
7442 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
7443 (dbxout_function_end): Use local label LFBB. Remove hook
7445 (dbxout_source_line): Use local label LFBB.
7446 (dbxout_block): Likewise.
7447 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
7448 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
7449 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
7450 and DBX_OUTPUT_NFUN.
7452 2006-07-13 Janis Johnson <janis187@us.ibm.com>
7454 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
7456 2006-07-13 Jan Hubicka <jh@suse.cz>
7458 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
7460 * output.h (align_variable): Declare.
7461 * varasm.c (align_variable): Export.
7462 * value-prof.c (tree_value_profile_transformations): Recompute iterator
7463 when basic block changed.
7465 2006-07-13 Nick Clifton <nickc@redhat.com>
7467 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
7468 walking the LOG_LINKS chain.
7470 2006-07-12 Geoffrey Keating <geoffk@apple.com>
7472 * doc/invoke.texi (C++ Dialect Options): Explain difference
7473 between -fvisibility-inlines-hidden and setting hidden
7474 visibility explicitly.
7476 2006-07-12 Eric Christopher <echristo@apple.com>
7478 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
7479 (stmp-lipo): Depend on libgcc.a.
7481 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
7483 * tree.c: Fix a comment typo.
7485 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
7487 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
7489 (umulhisi3_r): Likewise.
7491 2006-07-12 Paolo Carlini <pcarlini@suse.de>
7494 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
7495 x < 19, vs wchar_t support.
7497 2006-07-12 Nick Clifton <nickc@redhat.com>
7499 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
7500 instead of -isa=sh4.
7502 2006-07-12 Mike Stump <mrs@apple.com>
7504 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
7506 2006-07-10 Eric Christopher <echristo@apple.com>
7508 * config/t-slibgcc-darwin: Rewrite.
7510 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
7513 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
7516 2006-07-08 Matthias Klose <doko@debian.org>
7518 * doc/sourcebuild.texi: Fix typo.
7520 2006-07-07 Mike Stump <mrs@apple.com>
7522 * toplev.c (process_options): Don't give -ffunction-sections may
7523 affect debugging warning for Mach-O.
7525 2006-07-07 James E Wilson <wilson@specifix.com>
7527 * config/mips/mips.md (cpu): Add sb1a.
7528 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
7529 addition to sb1. Adjust comments to clarify SB-1A differences from
7531 (ir_sb1a_load): New. Modify bypasses to use it.
7532 (ir_sb1a_simple_alu): Likewise.
7533 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
7534 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
7535 (mips_issue_rate): Add PROCESSOR_SB1A.
7536 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
7537 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
7538 (TARGET_SB1): Add PROCESSOR_SB1A check.
7539 (TUNE_SB1): Likewise.
7541 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
7542 * config/mips/mips.c (mips_store_data_bypass_p): New.
7543 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
7544 store_data_bypass_p.
7546 2006-07-08 Paul Brook <paul@codesourcery.com>
7549 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
7551 2006-07-07 Richard Guenther <rguenther@suse.de>
7554 * tree.h (build_one_cst): Declare.
7555 * tree.c (build_one_cst): New function.
7556 * tree-ssa-math-opts.c (get_constant_one): Remove.
7557 (insert_reciprocals): Use build_one_cst.
7558 * fold-const.c (fold_plusminus_mult): Likewise.
7560 2006-07-07 Roger Sayle <roger@eyesopen.com>
7562 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7563 * cfgloopanal.c (dump_graph): Likewise.
7564 * dojump.c (discard_pending_stack_adjust): Likewise.
7565 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7567 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7568 * function.c (finalize_block_changes): Likewise.
7569 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7570 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7571 * rtl.c (dump_rtx_statistics): Likewise.
7572 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7574 * varray.c (dump_varray_statistics): Likewise.
7575 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7576 decode_decimal64, encode_decimal128, decode_decimal128,
7577 decimal_real_to_decimal): Likewise.
7579 2006-07-07 Richard Guenther <rguenther@suse.de>
7581 PR tree-optimization/28187
7582 * tree-vrp.c (vrp_operand_equal_p): New function.
7583 (vrp_bitmap_equal_p): Likewise.
7584 (update_value_range): Use them to compare old and new
7587 2006-07-06 Roger Sayle <roger@eyesopen.com>
7589 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7590 a default case to switch statement to silence compiler warnings.
7592 2006-07-06 Roger Sayle <roger@eyesopen.com>
7595 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7596 the configured assembler supports the x87's ffreep mnemonic.
7597 * configure: Regenerate.
7598 * config.in: Regenerate.
7600 * config/i386/i386.c (output_387_ffreep): New function.
7601 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7602 (output_387_reg_move): Likewise.
7604 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7606 Port to hosts whose 'sort' and 'tail' implementations
7607 treat operands with leading '+' as file names, as POSIX
7608 has required since 2001. However, make sure the code still
7609 works on pre-POSIX hosts.
7610 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7611 which says you should use "tail -c +N" rather than "tail +Nc".
7612 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7614 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7616 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7619 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7622 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7623 PRE_{INC,DEC} of TFmode.
7625 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7626 Alan Modra <amodra@bigpond.net.au>
7629 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7632 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7635 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7636 Remove duplicate gtu.
7638 2006-07-05 Jason Merrill <jason@redhat.com>
7642 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7643 * c-common.c (handle_packed_attribute): So don't copy it here.
7644 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7646 2006-07-05 Mike Stump <mrs@apple.com>
7648 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7650 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7653 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7655 2006-07-05 Richard Guenther <rguenther@suse.de>
7658 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7659 TARGET_SSE2 targets if using SSE math.
7660 (*absdf2_1): Likewise.
7662 2006-07-05 Richard Guenther <rguenther@suse.de>
7664 PR tree-optimization/28162
7665 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7666 make sure to convert the operands to the correct type.
7668 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7670 PR tree-optimization/28218
7672 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7673 to calculate and free the dominator information.
7675 2006-07-04 Peter O'Gorman <peter@pogma.com>
7677 * mklibgcc.in: chmod 644 before ranlib during install.
7679 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7680 J"orn Rennecke <joern.rennecke@st.com>
7682 * configure.ac (.eh_frame data check): Use diff -b.
7684 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7687 * Makefile.in (BUILD_RTL): Add build/vec.o.
7688 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7689 (build/genextract): Delete.
7690 (build/genautomata): Likewise.
7692 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7695 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7696 128-bit IBM long doubles for ABI_V4.
7698 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7700 * tree.c (range_in_array_bounds_p): New predicate.
7701 * tree.h (range_in_array_bounds_p): Declare it.
7702 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7703 return a less conservative answer.
7704 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7705 and flag 'is_group'.
7706 (IS_ELEMENT_FOR_GROUP): New macro.
7707 (FOR_EACH_ACTUAL_CHILD): Likewise.
7708 (next_child_for_group): New helper function.
7709 (can_completely_scalarize_p): Take into account groups.
7710 (sra_hash_tree): Handle RANGE_EXPR.
7711 (sra_elt_eq): Likewise.
7712 (lookup_element): Be prepared for handling groups.
7713 (is_valid_const_index): Delete.
7714 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7715 instead of is_valid_const_index.
7716 <ARRAY_RANGE_REF>: New case.
7717 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7718 is_valid_const_index.
7719 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7720 (scan_dump): Dump info for groups too.
7721 (decide_instantiation_1): Likewise.
7722 (decide_block_copy): Assert that the element is not a group.
7723 Propagate decision to groups.
7724 (generate_one_element_ref): Handle RANGE_EXPR.
7725 (mark_no_warning): Iterate over actual childs.
7726 (generate_copy_inout): Likewise.
7727 (generate_element_copy): Likewise.
7728 (generate_element_zero): Likewise.
7729 (generate_element_init_1): Likewise.
7730 (dump_sra_elt_name): Handle RANGE_EXPR.
7732 2006-07-03 Roger Sayle <roger@eyesopen.com>
7734 PR tree-optimization/26251
7735 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7736 (thread_block): When optimizing for size refuse to thread jumps
7737 that would require duplication of blocks other than redirection
7740 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7742 * configure.ac: Fix thinko in previous check-in.
7743 * configure: Regenerate.
7745 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7748 * configure.ac (for lang...): Simplify nesting of conditionals.
7749 Test subdir_requires for non-enabled languages. Move processing
7750 of lang_opt_files and lang_tree_fiels below that test.
7751 * configure: Regenerate.
7752 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7754 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7756 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7758 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7760 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7763 2006-06-29 Jason Merrill <jason@redhat.com>
7770 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7771 * c-common.c (c_determine_visibility): Handle it here.
7772 * c-decl.c (finish_decl): Call c_determine_visibility for
7774 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7776 * varasm.c (default_assemble_visibility): Likewise.
7777 * c-common.c (handle_visibility_attribute): Complain about trying
7778 to give visibility to an already defined class, or trying to change
7779 declared visibility. Always attach the attribute.
7784 * attribs.c (decl_attributes): Ignore type-in-place attributes
7785 once the type has been defined.
7787 2006-06-29 Roger Sayle <roger@eyesopen.com>
7790 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7791 to indicate the cpplib has issued an error message for us.
7793 2006-06-29 Asher Langton <langton2@llnl.gov>
7796 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7797 insert a label at the end of an function under Mach-O.
7799 2006-06-29 Eric Christopher <echristo@apple.com>
7800 Evan Cheng <evan.cheng@apple.com>
7802 * predicates.md (vector_all_ones_operand): New.
7803 (nonimmediate_or_sse_const_operand): Ditto.
7804 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7805 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7806 (standard_sse_mode_p): Ditto.
7807 (standard_sse_constant_p): Add case for -1 vector.
7808 (ix86_expand_vector_move): Try to use.
7809 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7810 Call standard_sse_constant_opcode.
7811 (*movv4sf_internal): Ditto.
7812 (*movv2df_internal): Ditto.
7814 2006-06-29 Roger Sayle <roger@eyesopen.com>
7816 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7817 of XEXP to extract the operands of a MATCH_CODE rtx.
7819 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7821 * tree.c (tree_size): Do not waste tail padding in
7822 struct tree_string and make the size be the same as
7823 build_string will generate.
7825 2006-06-28 Jason Merrill <jason@redhat.com>
7828 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7829 may_aliases already in the tag's annotations to the bitmap.
7831 2006-06-28 Roger Sayle <roger@eyesopen.com>
7833 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7835 2006-06-28 Roger Sayle <roger@eyesopen.com>
7837 * genpreds.c (generate_switch_p): New function.
7838 (add_mode_tests): Push the new mode test down inside an AND expr
7839 if this allows the switch-suitable MATCH_CODE to be near the root.
7840 (write_match_code_switch): New function to write a MATCH_CODE as
7842 (write_predicate_stmts): New function to write a predicate RTX
7843 expression as a sequence of statements.
7844 (write_one_predicate_function): Use write_predicate_stmts.
7845 (write_tm_constrs_h): Likewise.
7847 2006-06-26 Fred Fish <fnf@specifix.com>
7849 * config/mips/t-sb1: New file.
7850 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7853 2006-06-26 DJ Delorie <dj@redhat.com>
7855 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7857 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7858 Jayant Sonar <jayants@kpitcummins.com>
7859 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7861 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7862 (subsi3, subsi3_1, subsi3_2): New.
7863 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7864 * config/m32c/mov.md (SI mov peephole): New.
7865 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7866 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7868 2006-06-26 Olivier Hainque <hainque@adacore.com>
7870 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7871 a CALL_EXPR target function declaration.
7873 2006-06-26 Richard Guenther <rguenther@suse.de>
7875 * tree.c (build_string): Do not waste tail padding in
7878 2006-06-26 Richard Guenther <rguenther@suse.de>
7880 * ggc-page.c (init_ggc): Add missing element to size_lookup
7884 2006-06-23 Richard Guenther <rguenther@suse.de>
7886 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7887 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7888 alignment requests instead. Add verification code.
7889 Add struct tree_function_decl and struct tree_binfo size to
7890 extra_order_size_table. Add missing element to size_lookup
7893 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7896 * fold-const.c (const_binop): Be prepared for self returning zero.
7897 Simplify code handling complex values.
7899 2006-06-24 Olivier Hainque <hainque@adacore.com>
7901 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7902 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7905 2006-06-24 Olivier Hainque <hainque@adacore.com>
7907 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7908 ARRAY_REF, so have the callback called for the low bound expression.
7910 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7912 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7913 * c-typeck.c (c_common_type): Disallow operations on decimal float
7914 types and other float types.
7915 * convert.c (convert_to_real): Don't ignore conversions involving
7916 decimal float types.
7918 2006-06-23 Olivier Hainque <hainque@adacore.com>
7920 * tree.c (max_int_size_in_bytes): New function, inspired from
7921 code in function.c:assign_temp.
7922 * tree.h (max_int_size_in_bytes): Declare.
7923 * function.c (assign_temp): Use it.
7924 * gimplify.c (create_tmp_var): Relax the assertions on the type
7925 properties, not mandating constant size any more.
7926 (force_constant_size): New static function.
7927 (gimple_add_tmp_var): Use it, forcing variable size to a
7928 constant upper bound if it is not constant on entry.
7930 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7933 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7934 for initialization and setting of one_only flag to ...
7935 (i386_pe_encode_section_info): ...here.
7936 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7937 Recheck that the symbol has not been defined.
7939 2006-06-23 Richard Guenther <rguenther@suse.de>
7941 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7942 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7943 alignment requests instead. Add verification code.
7944 Add struct tree_function_decl and struct tree_binfo size to
7945 extra_order_size_table. Add missing element to size_lookup
7948 2006-06-22 Roger Sayle <roger@eyesopen.com>
7949 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7952 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7953 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7955 2006-06-23 Ben Elliston <bje@au.ibm.com>
7957 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7958 negate dn -- manipulate it directly.
7960 2006-06-22 Roger Sayle <roger@eyesopen.com>
7961 Steven Bosscher <stevenb.gcc@gmail.com>
7964 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7965 generated by gen_move_insn to add REG_LABEL notes if necessary.
7967 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7969 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7970 (leaf_entry): Remove use of MIN_ESA.
7972 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7974 PR rtl-optimization/28121
7975 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7978 2006-06-21 DJ Delorie <dj@redhat.com>
7980 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7982 (mulhisi3_r): Likewise.
7984 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7987 * coverage.c (coverage_counter_alloc): Leave the index type
7989 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7992 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7994 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7995 section from the "Options for Code Generation Conventions".
7997 2006-06-21 Richard Henderson <rth@redhat.com>
8001 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
8003 (global_symbolic_operand): Allow weak symbols, even if local_p.
8005 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
8007 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
8008 (find_interesting_uses_address): Punt if above function returns true.
8010 2006-06-21 Richard Guenther <rguenther@suse.de>
8012 * configure: Regenerated.
8014 2006-06-21 Joseph Myers <joseph@codesourcery.com>
8016 * config/mips/mips.c (function_arg): Where one part of a
8017 complex argument is in registers and the other part in the stack,
8018 return a REG not a PARALLEL.
8020 2006-06-21 Mark Mitchell <mark@codesourcery.com>
8022 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
8023 when cross-compiling. Do not substitute libstdcxx_incdir.
8024 * configure: Regenerated.
8026 2006-06-21 Jakub Jelinek <jakub@redhat.com>
8028 * varasm.c (mergeable_string_section): Check for embedded NULs and
8029 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
8030 rather than TREE_STRING_LENGTH bytes.
8032 2006-06-21 Richard Guenther <rguenther@suse.de>
8034 * ggc-page.c (extra_order_size_table): Add var_ann_d,
8035 tree_ssa_name, bitmap_element and phi_node with 4 arguments
8038 2006-06-21 Richrad Guenther <rguenther@suse.de>
8040 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
8041 Limit iteration over the dominators.
8043 2006-06-20 Roger Sayle <roger@eyesopen.com>
8045 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
8046 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
8048 2006-06-20 Richard Guenther <rguenther@suse.de>
8049 Michael Matz <matz@suse.de>
8051 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
8053 * alloc-pool.c (free_alloc_pool_if_empty): New function.
8054 * et-forest.h (et_free_pools): Prototype new function.
8055 * et-forest.c (et_free_tree_force): Free parent occurrence.
8056 (et_free_pools): New function.
8057 * dominance.c (free_dominance_info): Free et-forest alloc
8060 2006-06-20 Roger Sayle <roger@eyesopen.com>
8062 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
8063 integer modes, attempt to directly construct an integer constant.
8065 * fold-const.c (native_encode_vector): Determine the size of each
8066 element from the vector type instead of the first vector element.
8068 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
8069 if all of its elements/components are constant.
8070 (build_constructor_from_list): Likewise.
8072 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
8074 PR tree-optimization/27331
8075 * tree-data-ref.c (free_data_ref): New function.
8076 (create_data_ref): Fail if the data reference has unknown access
8078 (free_data_refs): Use free_data_ref.
8080 2006-06-19 Andrew Pinski <pinskia@gmail.com>
8083 * tree-inline.c (setup_one_parameter): Strip useless
8084 type conversion before adding it to the IR.
8085 (declare_return_variable): Likewise.
8087 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
8090 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
8092 2006-06-19 Mike Stump <mrs@apple.com>
8094 * tree.c (variably_modified_type_p): VM arguments don't make the
8097 2006-06-19 Richard Guenther <rguenther@suse.de>
8099 * tree-ssa-pre.c (try_combine_conversion): Strip useless
8100 type conversions after folding.
8102 2006-06-19 Richard Guenther <rguenther@suse.de>
8104 * ggc-page.c (extra_order_size_tab): Add entries with
8105 size of struct function and basic_block.
8106 (size_lookup): Extend to cover sizes up to 511.
8107 (ggc_alloc_stat): Adjust user.
8108 (ggc_pch_count_object): Likewise.
8109 (ggc_pch_alloc_object): Likewise.
8110 (ggc_pch_write_object): Likewise.
8112 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
8114 * tree-ssa-loop-niter.c (implies_ge_p): New function.
8115 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
8118 2006-06-19 Denis Chertykov <denisc@overta.ru>
8120 * config/avr/libgcc.S : Correct my wrong previous commit.
8122 2006-06-19 Roger Sayle <roger@eyesopen.com>
8125 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
8126 have stripped a SUBREG from the shift count, so we may need to
8127 convert_to_mode back to the type's mode before calling make_tree.
8128 Use new_amount instead of amount to avoid expanding a tree twice.
8130 2006-06-19 Richard Guenther <rguenther@suse.de>
8133 * fold-const.c (operand_equal_p): Check if the argument types
8134 have the same precision before stripping NOPs.
8136 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
8138 Fix PR tree-optimization/27341
8139 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
8141 * tree-complex.c (pass_lower_complex): Update SMT usage.
8143 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
8145 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
8146 Add a new alternative to the constraint strings. Add move of
8147 operand 1 to 3 to the splitter definition.
8148 ("doloop_si_long"): Second contraint alternative removed.
8150 2006-06-08 Anatoly Sokolov <aesok@post.ru>
8152 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
8153 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
8155 (AVR_HAVE_MOVW) Define.
8156 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
8157 (ASM_SPEC): Add avr25.
8158 (LINK_SPEC): Add avr25.
8159 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
8160 (base_arch_s): Add new member 'have_movw_lpmx'.
8161 (avr_arch_types): Init 'have_movw_lpmx'.
8162 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
8163 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
8164 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
8165 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
8166 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
8168 (avr_file_start): Do not output '.arh' derective.
8169 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
8170 (__do_copy_data): Use __AVR_HAVE_LPMX__.
8171 * config/avr/avr.md (mcu_enhanced): Delete.
8172 (mcu_have_movw): Define.
8173 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
8174 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
8175 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
8176 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
8177 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
8178 attiny861 and at86rf401 devices.
8180 2006-06-18 Jie Zhang <jie.zhang@analog.com>
8182 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
8185 2006-06-17 Karl Berry <karl@gnu.org>
8187 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
8188 doc/gccint.texi, doc/install.texi (@dircategory): Use
8189 "Software development" instead of "Programming", following
8190 the Free Software Directory.
8192 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
8194 * config/i386/i386.c (legitimate_tls_address)
8195 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
8196 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
8197 (*tls_dynamic_gnu2_combine_64): Likewise.
8199 2006-06-16 Richard Guenther <rguenther@suse.de>
8202 * fold-const.c (negate_expr_p): Do not introduce undefined
8203 overflow in negating INTEGER_CSTs.
8204 (fold_negate_expr): Rename from negate_expr. Revert last
8205 change for folding BIT_NOT_EXPR. Change semantics to
8206 return NULL_TREE for non-simplified negations. Do not
8207 strip type conversions and unify type handling.
8208 (negate_expr): New function, wrap around fold_negate_expr
8209 but ensure building a tree always. Strip type conversions
8210 here, fold to result type.
8211 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
8213 2006-06-16 Roger Sayle <roger@eyesopen.com>
8216 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
8217 that (would) return their results in stack registers.
8219 2006-06-16 Michael Matz <matz@suse.de>
8220 Richard Guenther <rguenther@suse.de>
8222 * fold-const.c (fold_truthop): Only return new tree node if
8223 we canonicalized something.
8225 2006-06-16 Richard Guenther <rguenther@suse.de>
8227 * function.h (enum function_frequency): Move declaration
8228 out of struct function.
8229 (struct function): Move bool fields and the enum to the bitfield
8230 section. Reorder elements to avoid padding. Remove unused
8231 fields left over from the RTL inliner removal.
8232 * function.c (free_after_compilation): Do not zero removed fields.
8233 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
8234 (ipa-type-escape.o): Likewise.
8236 2006-06-16 Richard Guenther <rguenther@suse.de>
8238 * cgraph.h (struct cgraph_local_info): Turn bool elements
8240 (struct cgraph_node): Likewise.
8241 (struct cgraph_varpool_node): Likewise.
8243 2006-06-15 Richard Guenther <rguenther@suse.de>
8245 * fold-const.c (fold_truth_not_expr): Rename from
8246 invert_truthvalue. Give it fold_* semantics to avoid
8248 (invert_truthvalue): New function. Wrapper around
8249 fold_truth_not_expr.
8250 (optimize_minmax_comparison): Avoid creating garbage.
8251 (fold_unary): Use fold_truth_not_expr for folding
8253 (fold_ternary): Replace uses of invert_truthvalue with
8254 fold_truth_not_expr where applicable.
8255 * tree.h (fold_truth_not_expr): Prototype.
8257 2006-06-16 Richard Guenther <rguenther@suse.de>
8259 PR tree-optimization/27781
8260 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
8261 * ipa-pure-const.c (target.h): Include.
8262 (analyze_function): Do not analyze functions that do not
8265 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
8268 * tree-dfa.c (referenced_vars_dup_list): Remove.
8269 (find_referenced_vars): Remove assert.
8270 (referenced_var_check_and_insert): Replace dup list with assert.
8271 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
8272 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
8274 2006-06-15 Richard Guenther <rguenther@suse.de>
8276 * tree-ssa-structalias.c (alias_get_name): Avoid creating
8277 extra unused identifiers if not dumping.
8278 (create_variable_info_for): Likewise.
8280 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
8282 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
8283 (derive_constant_upper_bound): Derive more precise upper bound in
8284 common cases. Return type changed to double_int.
8285 (record_estimate): Reflect the changed return type of
8286 derive_constant_upper_bound.
8287 * double-int.c (double_int_zext, double_int_sext): Fix.
8289 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
8291 * configure.ac (CFLAGS): Get them from the toplevel or from the
8292 configure invocation.
8293 * configure: Regenerate.
8294 * Makefile.in (CFLAGS): Substitute value provided by configure.
8296 2006-06-14 Mark Mitchell <mark@codesourcery.com>
8299 * c-common.h (c_finish_omp_atomic): Adjust declaration.
8300 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
8301 rather than calling add_stmt on it.
8302 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
8304 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
8307 * reload1.c (reload): Remove registers returned by update_eliminables
8308 from used_spill_regs.
8310 2006-06-13 DJ Delorie <dj@redhat.com>
8312 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
8314 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
8316 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
8317 html__strip_dir, html__mkdir_p. Enhance install-html target.
8318 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
8319 * configure: Regenerate.
8321 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
8323 * fold-const.c (fold_cond_expr_with_comparison): Check for
8324 Objective-C++ as language in deciding COND_EXPR transformation.
8326 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
8329 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
8330 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
8331 * config/sh/lib1funcs.h (SL, SL1): Define.
8332 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
8333 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
8334 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
8335 (OBJS_Os_4_200): New variable.
8336 ($(T)libgcc-Os-4-200.a): Use it.
8337 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
8338 when dividing 1 and/or by 0.
8340 2006-06-13 Roger Sayle <roger@eyesopen.com>
8342 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
8343 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
8344 * configure: Regenerate.
8346 2006-06-13 Jie Zhang <jie.zhang@analog.com>
8348 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
8349 for real instruction.
8351 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8354 * haifa-sched.c (check_cfg): Handle special case.
8356 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
8359 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
8360 Add debug_info parameter. Chain the vars to the BLOCK instead
8361 of the BIND_EXPR if debug info are requested for them.
8362 (pop_gimplify_context): Adjust for above change.
8363 (gimple_add_tmp_var): Likewise.
8364 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
8366 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
8367 (convert_local_reference): Likewise.
8368 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
8369 (finalize_nesting_tree_1): Request that debug info be emitted
8370 for debug_var_chain.
8372 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8374 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
8375 for PR target/27863.
8377 2006-06-13 Richard Guenther <rguenther@suse.de>
8380 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
8382 2006-06-13 Richard Guenther <rguenther@suse.de>
8384 PR tree-optimization/27830
8385 * tree-inline.c (copy_body_r): For copying the operand
8386 of an ADDR_EXPR make sure to fold &* afterwards.
8388 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
8390 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
8391 lvalues in the fb_none case with side-effects.
8393 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
8395 * tree-flow.h: Remove the prototype for
8396 compute_phi_arg_on_exit.
8397 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
8398 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
8401 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
8403 * builtins.c (expand_builtin_return_addr): Only use
8404 frame_pointer_rtx when count == 0 and we are expanding
8405 __builtin_return_address.
8407 2006-06-12 Fred Fish <fnf@specifix.com>
8409 * config/mips/mips.c (mips_file_start): Create special section
8410 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
8412 2006-06-11 Eric Christopher <echristo@apple.com>
8415 * stor-layout.c (place_field): Remove check for
8416 remaining_in_alignment when aligning at the end of a run.
8418 2006-06-11 Eric Christopher <echristo@apple.com>
8421 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
8424 2006-06-11 Roger Sayle <roger@eyesopen.com>
8427 Revert incorrect fix for PR target/27158
8428 2006-05-08 Roger Sayle <roger@eyesopen.com>
8429 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8430 of a reg_equiv_constant if the result is a legitimate constant.
8432 2006-06-11 Roger Sayle <roger@eyesopen.com>
8435 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
8436 extract a CONST_VECTOR element and interpret it as an integer.
8437 (vspltis_constant): Use const_vector_elt_as_int instead of the
8438 macro CONST_VECTOR_ELT in order to handle FP vector modes.
8439 * config/rs6000/predicates.md (easy_vector_const): Consider
8440 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
8442 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
8445 * stor-layout.c (update_alignment_for_field): Don't add extra
8446 alignment for packed non-bitfield fields in ms_bitfield_layout_p
8449 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
8451 * config/mips/t-rtems: Add EL/EB multilib variants.
8453 2006-06-09 Mike Stump <mrs@apple.com>
8455 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
8457 2006-06-09 David Daney <ddaney@avtrex.com>
8459 * doc/install.texi: Add binutils version recommendation for mips-*-*.
8461 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
8463 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
8465 2006-06-09 Richard Guenther <rguenther@suse.de>
8467 PR tree-optimization/26998
8468 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
8469 of signed types, only TYPE_MIN_VALUE is special, but for both,
8470 minimum and maximum value. Likewise VR_ANTI_RANGE is special
8471 in this case, as is -fwrapv.
8473 2006-06-08 Mike Stump <mrs@apple.com>
8476 * config/darwin.c (darwin_asm_output_anchor): Disable
8477 -fsection-anchors on darwin for now.
8478 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
8479 * rs6000/rs6000.c (optimization_options): Likewise.
8481 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8484 * config/i386/i386.c (classify_argument): Skip fields with invalid
8487 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
8489 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
8490 (cse_insn): Likewise for the stack_pointer_rtx.
8492 2006-06-08 Roger Sayle <roger@eyesopen.com>
8494 * tree-ssa-dom.c (record_conditions): Only record "unordered"
8495 conditions from floating point comparisons.
8497 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
8500 * expmed.c (struct alg_hash_entry): Fix type of field T
8501 to match synth_mult argument.
8502 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
8504 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8507 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
8510 2006-06-08 Richard Guenther <rguenther@suse.de>
8513 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
8514 only, if overflow is defined and not trapping.
8515 (negate_expr): Likewise.
8517 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8519 PR tree-optimization/27872
8520 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
8521 flag on the new exit edge of the unrolled loop.
8523 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8525 PR rtl-optimization/26449
8526 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
8528 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
8531 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
8532 referenced_variables with matching DECL_UID's.
8533 (find_referenced_vars): Make sure duplicate list is empty to start.
8534 (referenced_var_p): Remove.
8535 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
8536 Check if var is in the list, and add if needed. Update the duplicate
8537 list if a different var is in the list with the same DECL_UID.
8538 (add_referenced_var): Call routine to check and insert.
8539 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
8540 * tree-flow.h (referenced_vars_dup_list): External declaration.
8542 2006-06-07 Fred Fish <fnf@specifix.com>
8544 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
8547 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
8550 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
8551 the imaginary and real parts of a clobbered register.
8552 Emit insn to set the imaginary part.
8554 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8556 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8557 in lieu of unwind-dw2-fde.c.
8559 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8561 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8563 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8566 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8567 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8568 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8569 V4SImode temporaries and operations instead.
8571 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8573 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8576 2006-06-06 Mike Stump <mrs@apple.com>
8578 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8579 installing during build.
8581 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8583 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8585 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8586 * config/ia64/ia64.c (params.h): New header.
8587 (ia64_optimization_options): New function to adjust parameters.
8588 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8589 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8590 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8592 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8594 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8596 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8599 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8601 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8602 Victor Kaplansky <victork@il.ibm.com>
8604 PR tree-optimization/26360
8605 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8608 2006-06-04 Roger Sayle <roger@eyesopen.com>
8609 Andrew Pinski <pinskia@physics.uc.edu>
8612 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8613 for LABEL_DECL before calling DECL_WEAK.
8616 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8617 LABEL_DECL and PARM_DECL.
8619 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8623 * c-decl.c (grokdeclarator): Disallow variably modified types at
8624 file scope. Avoid marking shared array type of constant size as
8627 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8630 * c-common.c (fold_offsetof_1): Handle static members.
8632 2006-06-04 Eric Christopher <echristo@apple.com>
8634 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8635 (debug_rli): Output value for remaining_in_alignment.
8636 (update_alignment_for_field): Unconditionalize
8637 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8638 extra alignment code.
8639 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8640 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8641 * tree.h (record_layout_info_s): Remove prev_packed.
8642 * doc/extend.texi (ms_struct): Add documentation of format.
8644 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8646 * tree.h: Declare folding_initializer.
8647 * builtins.c (fold_builtin_constant_p): Give definite answer
8648 if folding inside an initializer.
8649 * fold-const.c: Define folding_initializer.
8650 (START_FOLD_INIT): Save and then set folding_initializer.
8651 (END_FOLD_INIT): Restore folding_initializer.
8653 2006-06-04 Richard Guenther <rguenther@suse.de>
8655 PR tree-optimization/27039
8656 * fold-const.c (fold_comparison): Handle pointer comparison
8657 again for all comparison codes. Compare offsets in signed
8659 (fold_binary): Move code from here.
8661 2006-06-03 Roger Sayle <roger@eyesopen.com>
8664 * config/i386/i386.c (construct_container): Split static issued_error
8665 flag into issued_sse_arg_error, issued_sse_ret_error and
8666 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8667 requires the use of x87 registers and the user explicitly
8668 specified the -mno-80387 command line option.
8670 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8672 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8673 HAVE_DECL_SIGALTSTACK.
8675 (segv_handler): Use MC_FLD.
8676 * configure.ac: Check for a sigaltstack declaration.
8677 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8678 * configure: Regenerate.
8679 * config.in: Regenerate.
8681 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8684 * Makefile.in (stmp-fixinc): Fix typo.
8686 2006-06-02 Roger Sayle <roger@eyesopen.com>
8688 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8689 are type correct. Clean-up.
8690 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8691 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8693 2006-06-01 DJ Delorie <dj@redhat.com>
8695 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8696 shift, as we've disabled the "switch" insn that needs it.
8698 2006-06-01 Per Bothner <bothner@bothner.com>
8700 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8701 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8702 * c-ppoutput.c (cb_define): Don't increment line 0.
8704 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8706 * doc/invoke.texi: Add cpu_type power6.
8707 * config.gcc: Add cpu_type power6.
8708 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8709 to power5+ with Altivec.
8710 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8711 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8713 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8715 * config/avr/avr.h (SET_ASM_OP): Define.
8717 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8719 * config/bfin/bfin.c: Fix comment typos.
8721 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8724 * doc/install.texi: Document --enable-bootstrap and
8725 --disable-bootstrap.
8727 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8729 * doc/install.texi: Document that InfoZIP can replace jar.
8731 2006-05-31 Roger Sayle <roger@eyesopen.com>
8733 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8734 isn't available, directly generate the simpler x87 patterns without
8735 the (use (const_int 0)).
8736 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8737 implementation isn't available.
8738 (*negdf2_1): Likewise.
8739 (*negxf2_1): XF mode negation is always done using the x87.
8740 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8742 2006-05-31 Roger Sayle <roger@eyesopen.com>
8744 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8745 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8747 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8749 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8751 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8752 * config/bfin/bfin.c (basic-block.h): Include.
8753 (struct machine_function): New.
8754 (bfin_init_machine_status): New.
8755 (override_options): Initialize init_machine_status.
8756 (bfin_hardware_loop): New.
8757 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8758 (DEF_VEC_P (loop_info)): New.
8759 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8760 (struct loop_info): New.
8761 (loop_info): New typedef.
8762 (struct loop_work): New.
8763 (loop_work): New typedef.
8764 (DEF_VEC_O (loop_work)): New.
8765 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8766 (bfin_dump_loops): New.
8767 (bfin_bb_in_loop): New.
8768 (bfin_scan_loop): New.
8769 (bfin_optimize_loop): New.
8770 (bfin_reorg_loops): New.
8771 (bfin_reorg): Use bfin_reorg_loops.
8772 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8774 (I_REGNO_P): Simplify.
8775 (DP_REGNO_P, DPREG_P): New macros.
8776 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8777 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8778 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8779 Add LT_REGS, LC_REGS, LB_REGS.
8780 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8782 (REGNO_REG_CLASS): Deal with loop registers.
8783 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8785 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8786 New constants for loop registers.
8787 (UNSPEC_LSETUP_END): New.
8788 (seq_insns): New define_attr. Set it for appropriate insns.
8789 (movsi_insn): Add alternatives for move from/to
8790 loop count registers.
8791 (doloop_end): New define_expand.
8792 (loop_end): New define_insn.
8793 (define_split for bad doloop_end): New.
8794 (lsetup_with_autoinit): New define_insn.
8795 (lsetup_without_autoinit): New define_insn.
8796 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8797 * config/bfin/predicates.md (lc_register_operand): New.
8798 (lt_register_operand): New.
8799 (lb_register_operand): New.
8800 (nondp_register_operand): New.
8801 (nondp_reg_or_memory_operand): New.
8802 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8804 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8806 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8807 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8809 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8811 * Makefile.in (CATALOGS): Add po/ prefix.
8812 * configure: Regenerated.
8814 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8817 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8818 a shift operand before calling shift_op. Avoid redundant call of
8821 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8822 DJ Delorie <dj@redhat.com>
8824 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8825 we're inserting is a singlt-bit constant.
8827 2006-05-30 Roger Sayle <roger@eyesopen.com>
8829 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8830 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8832 2006-05-30 Roger Sayle <roger@eyesopen.com>
8834 PR tree-optimization/23452
8835 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8836 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8837 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8838 complex values and with -ffast-math for FP complex values.
8840 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8842 * c-common.h: Remove the prototype for yyparse.
8843 * rtl.h: Remove the prototype for init_loop.
8845 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8847 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8850 2006-05-30 Roger Sayle <roger@eyesopen.com>
8852 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8854 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8855 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8857 2006-05-30 Dirk Mueller <dmueller@suse.de>
8860 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8861 for CONSTANT_CLASS_P expresisons.
8863 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8866 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8868 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8870 PR tree-optimization/27779
8871 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8872 initial_condition instead of CHREC_LEFT.
8874 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8876 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8877 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8878 Make prototypes ISO C90.
8880 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8881 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8883 * see.c (see_analyze_one_def): Correct check.
8884 (see_get_extension_data): Check if extension is parallel.
8885 (see_get_extension_reg): Likewise.
8887 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8890 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8891 into register for (code == GTU).
8893 2006-05-29 Roger Sayle <roger@eyesopen.com>
8895 PR tree-optimization/24964
8896 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8897 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8898 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8899 abs(x)*abs(x) as x*x for scalar floating point modes.
8901 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8904 * lambda-code.c (perfect_nestify): Don't copy statements
8905 in the inner loop: move them to the inner loop header.
8907 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8910 * c-tree.texi: Document OpenMP directives and clauses.
8912 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8914 * varasm.c (globalize_decl): Fix indentation.
8916 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8919 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8920 pass_fre, pass_store_ccp, pass_copy_prop,
8921 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8922 pass_return_slot, pass_object_size, pass_lim,
8923 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8924 pass_loop_prefetch and pass_stdarg.
8926 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8928 * config/bfin/bfin.opt (mfdpic): New option.
8929 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8930 (EXTRA_MULTILIB_PARTS): Likewise.
8931 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8932 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8934 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8935 (CRT_CALL_STATIC_FUNCTION): New.
8936 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8938 (CRT_CALL_STATIC_FUNCTION): New.
8939 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8941 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8942 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8943 (initialize_trampoline): Changed to handle FD-PIC code generation.
8944 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8945 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8946 (override_options): Disallow -mid-shared-library -mfdpic combination.
8947 Can't do unaligned ops if FD-PIC.
8948 Turn off flag_pic if trying to generate non-id-shared-library
8949 non-fdpic code, since it's not supported.
8950 (bfin_assemble_integer): New function.
8951 (TARGET_ASM_INTEGER): Define.
8952 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8954 * config/bfin/crtn.s: Restore them.
8955 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8957 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8958 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8959 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8960 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8961 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8963 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8964 FDPIC_REGS and FDPIC_FPTR_REGS.
8965 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8966 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8967 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8968 (load_funcdescsi): New pattern.
8969 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8970 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8971 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8973 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8975 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8978 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8980 * tree-flow.h: Remove the prototype for add_type_alias.
8981 * tree-ssa-alias.c (add_type_alias): Remove.
8983 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8985 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8986 config/fr30/fr30.md, config/i386/i386-interix.h,
8987 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8988 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8989 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8990 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8991 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8992 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8993 Follow spelling conventions.
8994 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8995 Follow spelling conventions.
8997 2006-05-27 Richard Guenther <rguenther@suse.de>
9000 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
9001 to produce a constant of value 1 of generic type.
9003 2006-05-27 Dirk Mueller <dmueller@suse.de>
9005 * cgraphunit.c (decide_is_function_needed): Fix wrong
9008 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
9010 PR rtl-optimization/27661
9011 * reload.c (find_reloads): When reloading a VOIDmode constant
9012 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
9013 use Pmode as mode of the reload register.
9015 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
9017 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
9018 is enabled at -O and above.
9020 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
9023 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
9026 2006-05-25 Mark Mitchell <mark@codesourcery.com>
9029 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
9030 for anonymous variables explicitly declared by front ends.
9032 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9034 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
9035 (struct alias_info): Add new field ref_all_symbol_mem_tag.
9036 * tree-ssa-alias.c (compute_may_aliases): If the program contains
9037 ref-all pointers, run a finalization pass for them.
9038 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
9039 (finalize_ref_all_pointers): New function.
9040 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
9041 regular pointer type to a ref-all pointer type.
9042 (get_tmt_for): Return the special memory tag for ref-all pointers.
9044 2006-05-25 Richard Guenther <rguenther@suse.de>
9047 * fold-const.c (fold_binary): Do not look at the stripped
9048 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
9050 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9052 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
9053 for LT and GT if the computed range is effectively empty.
9055 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9058 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
9059 mips_quad_format formats instead of ieee_single_format,
9060 ieee_double_format and ieee_quad_format formats, respectively.
9062 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
9064 PR tree-optimization/27639
9065 PR tree-optimization/26719
9066 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
9067 call to scev_probably_wraps_p.
9068 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
9069 used_in_pointer_arithmetic_p, convert_step): Removed.
9070 (nowrap_type_p): New function.
9071 (scev_probably_wraps_p): Rewritten.
9072 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
9073 chrec_convert if chrec_convert_aggressive might have been used.
9074 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
9075 scev_direction): New functions.
9076 (chrec_convert): Changed to a wrapper over chrec_convert_1.
9077 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
9078 instead of convert_step.
9079 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
9080 (convert_step): Declaration removed.
9081 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
9083 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
9085 * df-core.c: Added to header comments.
9086 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
9087 df_ur_bb_info, df_urec_bb_info): Added comments.
9088 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
9089 urec, ri problems): Fixed header comments.
9090 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
9091 code from df_rd_transfer_function.
9093 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9095 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
9096 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
9097 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
9099 2006-05-23 Joseph Myers <joseph@codesourcery.com>
9101 * expr.c (undefined_operand_subword_p): New.
9102 (emit_move_multi_word): Do not generate move from undefined bits
9103 of a paradoxical subreg.
9105 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9107 PR rtl-optimization/27736
9108 * combine.c (replaced_rhs_value): New variable.
9109 (combine_instructions): Set it.
9110 (distribute_notes): When distributing a note in replaced_rhs_insn,
9111 check whether the value was used in replaced_rhs_value.
9113 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
9116 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
9117 add_referenced_var instead of add_referenced_tmp_var.
9118 * tree-complex.c (create_one_component_var): Use add_referenced_var.
9119 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
9121 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
9122 tree_optimize_tail_calls_1): Use add_referenced_var.
9123 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
9124 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
9125 Use add_referenced_var.
9126 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
9127 * gimplify.c (force_gimple_operand): Use add_referenced_var.
9128 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
9129 Use add_referenced_var.
9130 * tree-dfa.c (struct walk_state): Remove.
9131 (find_referenced_vars): Remove walk state and vars_found hash table.
9132 (make_rename_temp): Use add_referenced_var.
9133 (find_vars_r): Pass less parameters to add_referenced_var.
9134 (referenced_var_p): New. Is var in referenced_var hash table.
9135 (referenced_var_insert): Assert var isn't already in hash table.
9136 (add_referenced_var): Don't need walk_state parameter. Add var if it
9137 isn't already in the hash table.
9138 (add_referenced_tmp_var): Remove.
9139 (find_new_referenced_vars_1): Use add_referenced_var.
9140 * tree-ssa-pre.c (create_expression_by_pieces,
9141 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
9142 Use add_referenced_var.
9143 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
9144 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
9145 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
9147 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9148 vect_create_data_ref_ptr, vect_create_destination_var,
9149 vect_init_vector, vect_build_loop_niters,
9150 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
9151 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
9152 Use add_referenced_var.
9153 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
9154 * tree-flow.h (add_referenced_tmp_var): Remove prototype
9155 (add_referenced_var): Add prototype.
9156 * tree-ssa-structalias.c (get_constraint_for,
9157 intra_create_variable_infos): Use add_referenced_var.
9159 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
9161 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
9162 big-endian paradoxical subregs.
9163 * var-tracking.c (struct micro_operation_def): Document that,
9164 for modify micro operations, insn is the subsequent instruction.
9165 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
9166 (var_reg_set, var_mem_set): ... new functions.
9167 (add_stores): Record subsequent insn.
9168 (compute_bb_dataflow): Use new functions for MO_USE.
9169 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
9170 notes after the insn, and modify notes before the insn known
9171 to be the subsequent one.
9172 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
9174 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
9177 * config/i386/i386.c (ix86_expand_builtin): Use
9178 gen_sse3_monitor64 for TARGET_64BIT.
9180 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
9182 PR rtl-optimization/26375
9183 PR rtl-optimization/26855
9184 * df-problems (df_ru_bb_local_compute_process_def): Removed update
9186 (df_ru_bb_local_compute): Reversed statements and removed bogus
9187 comment explaining why they should be in wrong order.
9188 (df_ru_dump, df_rd_dump): Enhanced debug info.
9189 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
9191 * ddg.c (add_deps_for_def): Converted use of reaching defs to
9192 reaching uses and fixed space problem.
9194 2006-05-23 Jan Hubicka <jh@suse.cz>
9196 * cgraphunit.c (decide_is_function_needed): Also nested functions
9197 and functions declared inline can be optimized out at -O0.
9199 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
9201 * doc/install.texi (Configuration): Remove reference to CrossGCC
9205 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
9208 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
9209 ix86_compare_emitted is non-NULL.
9211 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9214 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
9217 2006-05-22 Richard Sandiford <richard@codesourcery.com>
9219 PR rtl-optimization/25514
9220 * combine.c (replaced_rhs_insn): New variable.
9221 (combine_instructions): Set replaced_rhs_insn when trying to replace
9222 a SET_SRC with a REG_EQUAL note.
9223 (distribute_notes): Use replaced_rhs_insn when determining the live
9224 range of a REG_DEAD register.
9226 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
9227 Anatoly Sokolov <aesok@post.ru>
9229 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
9230 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
9231 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
9232 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
9233 atmega3290, atmega649, atmega6490, atmega406, atmega640,
9234 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
9235 at90usb647, at90usb1286 and at90usb1287 devices.
9236 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9237 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9239 2006-05-22 Richard Sandiford <richard@codesourcery.com>
9241 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
9243 2006-05-22 Richard Guenther <rguenther@suse.de>
9246 2006-01-31 Richard Guenther <rguenther@suse.de>
9247 Paolo Bonzini <bonzini@gnu.org>
9249 * doc/install.texi (--disable-libgcc-math): Document.
9251 2006-05-22 Richard Guenther <rguenther@suse.de>
9254 2006-01-31 Richard Guenther <rguenther@suse.de>
9256 * doc/invoke.texi (-msselibm): Document.
9257 * target.h (expand_library_builtin): New target hook.
9258 * builtins.c (expand_builtin): Use expand_library_builtin.
9259 (default_expand_library_builtin): New function.
9260 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9261 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9262 (link_gcc_math_spec): Declare.
9263 (static_specs): Add link_gcc_math_spec.
9264 * expr.h (default_expand_library_builtin): Declare.
9265 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9266 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9267 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9268 * config/i386/i386.opt (msselibm): New target option.
9269 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9270 (ix86_init_sse_abi_builtins): New function.
9271 (ix86_expand_library_builtin): Likewise.
9272 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9273 (override_options): Handle error conditions wrt -msselibm.
9274 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9275 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9276 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9279 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9282 * c-common.c (self_promoting_args_p): Skip erroneous args.
9285 * c-decl.c (finish_struct): Skip erroneous fields.
9287 2006-05-22 Nick Clifton <nickc@redhat.com>
9289 * config/cris/cris.opt (march): Remove VarExists attribute.
9290 (max-stackframe=): Likewise.
9292 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
9294 * doc/rtl.texi: Fix a typo.
9295 * see.c: Fix comment typos.
9297 * tree-ssa-structalias.h (alias_info): Remove num_references.
9299 2006-05-21 Mike Stump <mrs@apple.com>
9301 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
9303 (darwin_pragma_options): Use BAD instead.
9304 (darwin_pragma_unused): Likewise.
9305 (darwin_pragma_ms_struct): Likewise.
9307 2006-05-21 David Edelsohn <edelsohn@gnu.org>
9309 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
9311 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
9313 PR rtl-optimization/27671
9314 * simplify-rtx.c (simplify_relational_operation_1): Fix
9315 simplifications of (eq/ne (xor x y) y) and
9316 (eq/ne (xor x y) x).
9318 PR tree-optimization/26622.
9319 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
9322 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9324 * tree-cfg.c: Prune whitespace.
9325 (debug_tree_cfg): Point to correct header containing the
9328 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9331 * cgraphunit.c (verify_cgraph_node): Typo in error message.
9333 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
9336 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
9337 or sorry count is non zero.
9339 2006-05-20 Andreas Schwab <schwab@suse.de>
9341 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
9343 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
9344 Kenneth Zadeck <zadeck@naturalbridge.com>
9346 PR rtl-optimization/26855
9348 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
9350 (df_scan_alloc): Added code to properly handle multiword hard
9351 registers and add all_blocks parameter.
9352 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
9353 code to properly handle multiword hard registers.
9354 (df_rescan_blocks): Added code to remove deleted blocks from
9356 (df_ref_create_structure, df_ref_record): Added code to properly
9358 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
9359 and set DF_REF_PARTIAL.
9360 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
9361 (df_uses_record): Added DF_REF_PARTIAL for subreg.
9362 (df_scan_add_problem): Added flags parameter.
9363 (df_ref_create_structure): Changed switching structure.
9364 (df_bb_refs_record): Fixed case where duplicate artificial refs
9365 were created. Changed location of flags.
9366 (df_record_entry_block_defs): Added code to make stack pointer
9367 live in entry block. Refined cases where frame pointer is needed.
9368 Changed location of flags.
9369 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
9370 (df_set_state): Removed function.
9371 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
9372 df_insn_create_insn_record, df_insn_refs_delete,
9373 df_ref_create_structure): Formatting changes.
9374 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
9375 df_delete_basic_block): New function.
9376 (df_init): Changed location of flags.
9377 (df_add_problem): Added flags parameter and the way flags are
9379 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
9380 debug_df_chain): Improved debugging output.
9381 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
9382 (df_refs_chain_dump): Removed df parameter.
9383 (df_iterative_dataflow): Added consistency check.
9384 (df_prune_to_subcfg): Made public.
9385 (df_analyze_problem): Added blocks_to_init parameter and made
9387 (df_ref_record, df_bb_refs_record, df_mark_reg,
9388 df_record_exit_block_uses): Whitespace changes.
9389 (df_dump): Whitespace changes.
9390 * df.h: Some reordering to remove forward references.
9391 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
9392 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
9393 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
9394 (dataflow.flags): New field.
9395 (df.flag): Deleted field.
9396 (df_alloc_function): Added additional bitmap parameter.
9397 (df_dependent_problem_function): New type.
9398 (df_problem.changeable_flags): New field.
9399 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
9400 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
9401 (df_mw_hardreg): New struct.
9402 (DF_INSN_UID_MWS): New macro.
9403 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
9405 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
9406 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
9407 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
9408 (df_set_state): Removed function.
9409 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
9410 * df-problems.c (df_chain_dump): Removed df parameter.
9411 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
9412 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
9414 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
9415 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
9416 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
9417 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
9418 DF_REF_MUST_CLOBBER cases.
9419 (df_ru_bb_local_compute_process_def,
9420 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
9421 df_lr_bb_local_compute, df_ur_bb_local_compute,
9422 df_chain_create_bb): Made subreg aware.
9423 (df_ru_bb_local_compute, df_rd_bb_local_compute,
9424 df_lr_bb_local_compute, df_lr_bb_local_compute,
9425 df_chain_create_bb): Cleanup to use proper macros.
9426 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
9427 code to fixup bitvectors.
9428 (df_ri_alloc): Cleared lifetime.
9429 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
9430 df_create_unused_note): New function.
9431 (df_ri_bb_compute, df_ri_compute): Added code to create/update
9432 REG_DEAD and REG_UNUSED notes as well as register information.
9433 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
9434 df_chains_dump): Fixed crash if problem was never run.
9435 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
9436 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
9437 df_ri_add_problem): Processes flags in uniform manner.
9438 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
9439 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
9440 df_rd_dump, df_urec_free_bb_info): Formatting changes.
9441 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
9442 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
9443 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
9444 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
9445 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
9446 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
9447 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
9448 * see.c (see_initialize_data): Ditto.
9449 * final.c (rest_of_clean_state) Added regstack_completed.
9450 * rtl.h (regstack_completed): Ditto.
9451 * reg-stack.c (regstack_completed): Ditto.
9453 2006-05-19 Mike Stump <mrs@apple.com>
9455 * c-tree.h (default_conversion): Remove.
9456 * c-common.h (default_conversion): Add.
9458 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
9460 * tree-vrp.c (valid_value_p): New function.
9461 (adjust_range_with_scev): Fail if the value of bound is not
9464 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9466 * config/mips/linux-unwind.h: Include <asm/unistd.h>
9467 (mips_fallback_frame_state): Use syscall numbers to determine
9468 the appropriate li instruction for the current ABI. Only use
9469 __NR_sigreturn for o32.
9471 2006-05-19 Nicolas Setton <setton@adacore.com>
9473 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
9474 * langhooks.c (lhd_dwarf_name): New function.
9475 * langhooks-def.h (lhd_dwarf_name): Declare.
9476 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
9477 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
9479 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9481 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
9483 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
9484 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
9485 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
9486 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
9487 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
9488 determine the size of Wtype, etc.
9489 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
9490 (swfloatfuncs): New variable.
9491 (dwfloatfuncs): Likewise.
9492 (lib2funcs): Remove floating-point conversion functions from
9493 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
9494 the set of conversion routines needed. Allow entries to specify
9495 an object name, filename and word size. Update users accordingly.
9496 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
9497 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
9501 2006-02-08 Roger Sayle <roger@eyesopen.com>
9504 * config/fixtfdi.c: New libgcc source file.
9505 * config/fixunstfdi.c: New source file.
9506 * config/floatditf.c: New source file.
9507 * config/floatunditf.c: New souce file.
9508 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9509 files above instead of config/mips/_tilib.c.
9510 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9512 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9514 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
9515 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
9517 2006-05-18 Mike Stump <mrs@apple.com>
9519 Fix up vla, vm and [*] sematics.
9525 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
9526 (c_vla_unspec_p): Add.
9527 (c_vla_type_p): Add.
9528 * c-decl.c (struct c_scope): Add had_vla_unspec.
9529 (build_array_declarator): Add support for [*].
9530 (grokdeclarator): Likewise.
9531 (grokparms): Likewise.
9532 (get_parm_info): Likewise.
9533 * c-objc-common.c (c_vla_unspec_p): Likewise.
9534 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
9535 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
9536 typeof when argument is a variably modified type not inside sizeof or alignof.
9537 (c_parser_direct_declarator_inner): Propagate errors.
9538 (c_parser_sizeof_expression): Add support for [*].
9539 (c_parser_parms_declarator): Initialize had_vla_unspec.
9540 (c_parser_parms_list_declarator): Likewise.
9541 * c-typeck.c (c_vla_type_p): Add.
9542 (composite_type): Add support for vla compositing.
9543 (comptypes_internal): Add support for vla compatibility.
9544 (c_expr_sizeof_expr): Evaluate vla arguments.
9545 * tree.c (variably_modified_type_p): Update comment for [*].
9547 2006-05-18 Michael Matz <matz@suse.de>
9550 * config.host: Make assignments to host_xmake_file cumulative.
9551 * config.host (*-darwin*): Test $host, not $target.
9553 2006-05-12 Stuart Hastings <stuart@apple.com>
9555 * config/i386/i386.opt (-mstackrealign): New flag.
9556 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9557 (ix86_handle_cconv_attribute): Emit error when
9558 force_align_arg_pointer attribute collides with too many regparms.
9559 (ix86_function_regparm): Limit regparms when used with
9560 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9561 Support stack-realigning prologue in non-main functions. Emit
9562 warning for nested functions under -mstackrealign, emit error for
9563 nested functions with force_align_arg_pointer attribute.
9564 * doc/extend.texi (force_align_arg_pointer): Document it.
9565 * doc/invoke.texi (-mstackrealign): Document it.
9567 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9569 PR rtl-optimization/27477
9570 * combine.c (try_combine): Don't split a parallel consisting
9571 of two sets into two individual sets if both sets reference
9574 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9576 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9577 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9579 * doc/options.texi (VarExists): Updated.
9581 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9583 * unwind-dw2.c: Add declarations for uw_update_context and
9585 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9586 detected, advance frame state and context once to skip over stub.
9588 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9592 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9593 Call rewrite_into_loop_closed_ssa only when something changed.
9594 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9595 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9596 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9597 Test for perfect_nest_p here. Fix formating.
9598 (replace_uses_equiv_to_x_with_y): Fix formating.
9599 (stmt_uses_op): Removed.
9600 (can_convert_to_perfect_nest): Removed loopivs parameter.
9601 Complete the test by checking the scalar dependences.
9602 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9605 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9608 From Dan Kegel <dank@kegel.com>:
9609 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9611 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9613 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9614 if the element type is variably modified without recursing.
9616 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9619 * tree-loop-linear.c (try_interchange_loops): Test for
9620 no data dependences.
9622 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9624 PR tree-optimization/27548
9625 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9626 range of ssa names that appear on abnormal edges.
9627 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9628 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9630 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9633 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9635 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9638 * tree.h (OMP_PARALLEL_COMBINED): Define.
9639 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9640 (new_omp_context): Add is_combined_parallel argument.
9641 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9642 new_omp_context caller.
9643 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9644 Adjust gimplify_scan_omp_clauses callers.
9645 (omp_is_private): Issue errors if iteration variable is firstprivate
9646 or reduction in the current context.
9647 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9648 on combined parallel workshare constructs.
9650 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9652 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9653 (gcc-options.o): New rule.
9655 * optc-gen.awk: Protect variables for gcc-options.o with
9656 #ifdef GCC_DRIVER/#endif.
9658 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9660 Fix PR tree-optimization/27373
9661 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9662 (forward_propagate_addr_expr): Update call.
9664 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9666 * doc/options.texi: Move the Negative option.
9668 2006-05-16 Richard Guenther <rguenther@suse.de>
9670 PR tree-optimization/22303
9671 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9673 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9674 ccp_fold did not simplify the statement.
9676 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9679 * Makefile.in (GCC_OBJS): New.
9680 (OBJS-common): Add opts-common.o.
9681 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9682 (cpp$(exeext)): Likewise.
9683 (gcc.o): Also depend on opts.h.
9684 (opts-common.o): New.
9686 * common.opt (gcoff): Add Negative(gdwarf-2).
9687 (gdwarf-2): Add Negative(gstabs).
9688 (gstabs): Add Negative(gstabs+).
9689 (gstabs+): Add Negative(gvms).
9690 (gvms): Add Negative(gxcoff).
9691 (gxcoff): Add Negative(gxcoff+).
9692 (gxcoff+): Add Negative(gcoff).
9693 * config/i386/i386.opt (m32): Add Negative(m64).
9694 (m64): Add Negative(m32).
9696 * doc/options.texi: Document the Negative option.
9698 * gcc.c: Include "opts.h".
9699 (main): Call prune_options after expandargv.
9701 * optc-gen.awk: Generate common declarations for all flag
9702 variables in options.c. Output the neg_index field.
9704 * opts.c (find_opt): Moved to ...
9705 * opts-common.c: Here. New file.
9707 * opts.h (cl_option): Add a neg_index field.
9709 (prune_options): Likewise.
9711 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9714 * omp-low.c (expand_omp_parallel): Don't assert
9715 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9716 instead search for it.
9719 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9722 2006-05-16 Andreas Schwab <schwab@suse.de>
9724 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9727 2006-05-15 Roger Sayle <roger@eyesopen.com>
9730 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9731 integer constants other than zero are only legitimate on TARGET_64BIT.
9732 <CONST_VECTOR> Only zero vectors are legitimate.
9733 (ix86_cannot_force_const_mem): Integral and vector constants can
9734 always be put in the constant pool.
9736 2006-05-16 DJ Delorie <dj@redhat.com>
9738 * crtstuff.c (__dso_handle): Set section from
9739 TARGET_LBIGCC_SDATA_SECTION if defined.
9740 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9741 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9743 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9746 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9749 2006-05-16 Ben Elliston <bje@au.ibm.com>
9751 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9753 2006-05-15 Per Bothner <per@bothner.com>
9755 * tree.c: (last_annotated_node): Use source_locus typedef.
9756 This permits bootstrapping with --enable-mapped-location.
9758 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9760 PR tree-optimization/26830
9761 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9762 (info_for_ssa_name, current_info_for_ssa_name_age,
9763 blocks_to_update): New variables.
9764 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9765 (clear_ssa_name_info, initialize_flags_in_bb,
9766 mark_block_for_update): New functions.
9767 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9768 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9769 prepare_def_site_for): Use mark_block_for_update.
9770 (mark_def_interesting): Assert that the processed block is marked in
9771 blocks_to_update. Do not take blocks argument.
9772 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9774 (rewrite_update_init_block, rewrite_update_stmt): Only process
9775 blocks with statements to rewrite.
9776 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9777 (update_ssa): Initialize and free blocks_to_update. Do not
9778 clear flags on statements. Do not use blocks bitmap.
9779 * tree.h (SSA_NAME_AUX): Removed.
9780 (struct tree_ssa_name): Removed aux field.
9781 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9783 2006-05-15 Richard Guenther <rguenther@suse.de>
9785 PR tree-optimization/27603
9786 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9787 Do computations in original type.
9789 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9791 * see.c: Code style changes such as redundant paranthesis,
9792 redundant intialization of local variables etc.
9793 (see_main): Declared now as static.
9794 * doc/invoke.texi: Update that -fsee is not enabled by
9797 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9799 * omp-low.c (check_omp_nesting_restrictions): New function.
9800 (scan_omp_1): Call it.
9803 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9804 construct, return *VAR.
9806 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9808 PR rtl-optimization/27406
9809 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9812 2006-05-14 Roger Sayle <roger@eyesopen.com>
9814 PR rtl-optimization/27538
9815 * combine.c (expand_compound_operation): Call gen_lowpart
9816 before calling simplify_shift_const.
9818 2006-05-14 Roger Sayle <roger@eyesopen.com>
9820 PR rtl-optimization/22563
9821 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9822 a fixed width bitfield, always force the intermediates into psuedos.
9824 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9827 * mkconfig.sh: Use operator = instead of == for test.
9829 2006-05-13 Nick Clifton <nickc@redhat.com>
9831 * dwarf2out.c (dbx_reg_number): Check return value from
9832 LEAF_REG_REMAP and only use it if it is valid.
9833 (multiple_reg_loc_descriptor): Likewise.
9835 2006-05-13 Richard Guenther <rguenther@suse.de>
9837 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9840 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9842 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9843 information attached to non-INSNs such as NOTEs.
9844 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9846 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9848 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9850 * config/s390/s390.md: Adjust comment describing On constraint.
9852 2006-05-11 Jan Hubicka <jh@suse.cz>
9854 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9855 to be output at -O0.
9857 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9860 * fold-const.c (size_binop): Move sanity check for arguments to
9861 the beginning of the function.
9864 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9867 2006-05-11 Richard Guenther <rguenther@suse.de>
9870 * fold-const.c (fold_unary): Handle intermediate conversion
9871 to a pointer type like intermediate conversion to an integer
9872 type in folding of (T1)(T2)var to var.
9873 Match the code to the comment in the final conversion for
9874 (T1)(T2)var to (T1)var regarding to type precision. Rather
9875 than disallow T1 being of pointer type, assert that both T1
9876 and var are of pointer type or not. Make sure not to fall
9877 over the frontends lazyness wrt array to pointer decay though.
9879 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9881 * arm.c (arm_struct_value_rtx): Delete.
9882 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9883 (arm_init_cumulative_args): Always initialize nregs to zero.
9885 2006-05-10 Richard Guenther <rguenther@suse.de>
9887 PR tree-optimization/27532
9888 * tree-object-size.c (plus_expr_object_size): Fix typo.
9890 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9893 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9894 ashrdi_const, ashrdi3): Use a scratch register.
9896 2006-05-10 Richard Guenther <rguenther@suse.de>
9898 PR tree-optimization/27302
9899 * fold-const.c (operand_equal_p): For two comparisons,
9900 try comparison of one comparison code swapped if that yields
9903 2006-05-10 Ben Elliston <bje@au.ibm.com>
9905 * tree-pretty-print.c (pretty_print_string): No need to handle
9906 '\0' as a special character.
9908 * tree.h: Include "hashtab.h".
9909 (iterative_hash_expr): Use hashval_t in its prototype.
9910 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9912 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9915 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9916 (hppa*64*-*-hpux11*): Ditto.
9917 (hppa[12]*-*-hpux11*): Ditto.
9919 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9922 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9924 2006-05-09 Michael Matz <matz@suse.de>
9926 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9927 host_extra_gcc_objs and host_xmake_file.
9928 (<*-*-linux*>): Don't overwrite host_xmake_file.
9929 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9930 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9931 (host_detect_local_cpu): Declare.
9932 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9933 * config/i386/i386.c (override_options): Handle -mtune=native
9935 * config/i386/x-i386: New file.
9936 * config/i386/driver-i386.c: New file.
9937 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9940 2006-05-09 Dirk Mueller <dmueller@suse.de>
9941 Richard Guenther <rguenther@suse.de>
9944 * fold-const.c (fold_read_from_constant_string): Relax check
9945 for matching types to matching modes.
9947 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9949 PR rtl-optimization/27335
9950 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9953 2006-05-08 Chao-ying Fu <fu@mips.com>
9954 Richard Sandiford <richard@codesourcery.com>
9956 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9957 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9958 * config/mips/mips.md (UNSPEC_SCC): New constant.
9959 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9960 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9961 (mips_emit_compare): Use it.
9962 (mips_expand_vcondv2sf): New function.
9964 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9966 Fix PR tree-optimization/27093
9967 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9968 renaming when they become not-used_alone.
9970 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9972 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9973 relocation and relocation stubs.
9975 2006-05-08 Eric Christopher <echristo@apple.com>
9977 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9980 2006-05-08 Jan Hubicka <jh@suse.cz>
9983 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9984 unused static functions are needed.
9986 2006-05-08 Roger Sayle <roger@eyesopen.com>
9989 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9990 of a reg_equiv_constant if the result is a legitimate constant.
9992 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9995 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9996 standard 80387 constants, raise the cost to prevent
9997 compress_float_constant() to generate load from memory.
9999 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
10001 * config/arm/constraints.md (c): Fix a typo.
10003 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
10006 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
10009 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
10011 (_mm_mwait): Likewise.
10013 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
10015 (sse3_monitor): Make it 32bit only.
10016 (sse3_monitor64): New. 64bit monitor.
10018 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10021 * config/i386/i386.c (classify_argument): Skip fields with invalid
10024 2006-05-07 Richard Guenther <rguenther@suse.de>
10026 PR tree-optimization/27409
10027 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10028 Do not try to find zero-sized subvars.
10030 2006-05-07 Richard Guenther <rguenther@suse.de>
10032 PR tree-optimization/27136
10033 * tree-ssa-loop-niter.c (get_val_for): Correct function
10034 comment, assert requirements.
10035 (loop_niter_by_eval): Stop processing if the iterated
10036 value did not simplify.
10038 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
10040 * opts.c (flag_see): remove its setting at -O3.
10042 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
10044 * genpeep.c (main): Make insn-peep.c depend on flags.h.
10045 * arm/constraints.md: New file.
10046 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
10047 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
10048 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
10049 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
10050 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
10051 (EXTRA_MEMORY_CONSTRAINT): Likewise.
10052 * arm.md: Include constraints.md.
10053 (thumb_movsi_insn): Use satisfies_constraint_J.
10054 (movhi, movqi): Use satisfies_constraint_I.
10056 2006-04-29 Anatoly Sokolov <aesok@post.ru>
10058 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
10059 for atmeg a645 device.
10061 2006-05-06 Richard Guenther <rguenther@suse.de>
10063 PR tree-optimization/27151
10064 * tree-vect-transform.c (vectorizable_condition): Punt on
10065 values that have a different type than the condition.
10067 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
10070 * c-parser.c (c_parser_cast_expression): Only insert casts into
10071 hash table if pointer.
10072 * function.c (used_types_insert_helper): Rename from
10074 (used_types_insert): Call used_types_insert_helper.
10075 * function.h (used_types_insert): Accept only one argument.
10077 2006-05-05 David Edelsohn <edesohn@gnu.org>
10079 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
10080 scratch with output modifier.
10082 2006-05-04 David Edelsohn <edelsohn@gnu.org>
10085 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
10086 with output modifier.
10088 2006-05-04 Richard Sandiford <richard@codesourcery.com>
10091 * config/mips/mips.c (mips_symbolic_address_p): Return true
10092 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
10093 SYMBOL_GOTTPREL, and SYMBOL_TLS.
10095 2006-05-04 Richard Guenther <rguenther@suse.de>
10097 PR tree-optimization/14287
10098 PR tree-optimization/14844
10099 PR tree-optimization/19792
10100 PR tree-optimization/21608
10101 PR tree-optimization/27090
10102 * tree-ssa-pre.c (try_combine_conversion): New function.
10103 (compute_avail): After constructing the value-handle
10104 expression, use try_combine_conversion to combine NOP_EXPRs
10105 with previous value-handle expressions and use the result if it
10108 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
10110 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
10112 2006-05-04 Jan Hubicka <jh@suse.cz>
10114 PR middle-end/25962
10115 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
10117 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
10119 * config/bfin/predicates.md (const01_rtx): Tell generator programs
10120 that this only matches CONST_INTs. All users changed to VOIDmode
10123 * config/bfin/bfin.c: Include "optabs.h".
10124 (bfin_rtx_costs): Some costs for vector operations, to allow combine
10126 (enum bfin_builtins): Add a number of fractional and vector builtins.
10127 (bfin_init_builtins): Likewise.
10128 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
10129 (safe_vector_operand, bfin_expand_binop_builtin,
10130 bfin_expand_unop_builtin): New functions.
10131 (bfin_expand_builtin): Handle the new builtins.
10132 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
10135 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
10138 * Makefile.in (OBJS-common): Add see.o.
10139 (see.o): Add dependencies.
10140 * common.opt (fsee): New flag for the see optimization was added.
10141 * opts.c (flag_see): Initialized.
10142 * passes.c (init_optimization_passes, pass_see): New pass.
10143 * rtl.h (see_main): Declaration as extern.
10144 * timevar.def (TV_SEE): New.
10145 * tree-pass.h (pass_see): Declaration as extern.
10146 * invoke.texi (-fsee): Document.
10147 * recog.c (validate_simplify_insn): New function.
10148 * recog.h (validate_simplify_insn): Declaration as extern.
10149 * df-problems.c (df_chain_dump): Check for NULL.
10151 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
10152 Daniel Berlin <dberlin@dberlin.org>
10154 * cfgrtl.c (insert_insn_bb_end_new): New function.
10155 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
10157 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
10159 * df.h (struct web_entry): Moved from web.c.
10160 (union_defs): Declaration as extern.
10161 (unionfind_root): Likewise.
10162 (unionfind_union): Likewise.
10163 * web.c (struct web_entry): Moved to df.h.
10164 (unionfind_root): Remove static declaration.
10165 (unionfind_union): Likewise.
10166 (union_defs): Likewise and generalize to use callback function.
10167 (web_main): Update arguments for union_defs function call.
10169 2006-05-04 Richard Guenther <rguenther@suse.de>
10171 PR tree-optimization/26447
10172 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
10173 produce SSA_NAME copies before the store stmt to avoid
10174 breaking exception handling.
10176 2006-05-04 Jakub Jelinek <jakub@redhat.com>
10178 PR middle-end/27388
10179 * gimplify.c (omp_is_private): If var is shared in some outer context,
10180 return false instead of true. Stop searching on parallel context
10183 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
10186 * coverage.c: Use get_gcov_unsigned_t() instead of
10187 unsigned_type_node all over.
10189 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
10191 PR tree-optimization/27381
10192 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
10193 maintain the same immediate_use links.
10194 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
10195 node rather than segfaulting.
10197 2006-05-03 Jakub Jelinek <jakub@redhat.com>
10200 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
10201 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
10202 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
10204 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
10206 Fix PR tree-optimization/26626
10207 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
10209 * tree-ssa-operands.c (access_can_touch_variable): Allow
10210 typecasting through union pointers.
10212 2006-05-02 Jakub Jelinek <jakub@redhat.com>
10215 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
10216 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
10217 to find if var will be a global variable even in the nested context.
10218 (omp_copy_decl): Only check for global variable at the end, it might
10219 be overridden in outer contexts.
10220 (scan_sharing_clauses): For global variables don't create a field.
10221 (lower_rec_input_clauses): Do nothing for global shared variables.
10222 Emit a barrier at the end of ILIST if there were any decls in both
10223 firstprivate and lastprivate clauses.
10224 (lower_send_clauses): Do nothing for global variables except for
10227 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
10229 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
10230 of the correct signedness is returned.
10232 2006-05-02 Jeff Law <law@redhat.com>
10234 PR tree-optimization/27364
10235 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
10236 multiply expressions.
10238 2006-05-02 Tom Tromey <tromey@redhat.com>
10240 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
10242 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
10245 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
10246 -mthumb -fPIC are used.
10248 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
10249 Joshua Kinard <kumba@gentoo.org>
10252 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
10253 with 64-bit pointers.
10255 2006-05-02 Paul Brook <paul@codesourcery.com>
10257 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
10259 (create_fix_barrier): Check that a suitable barrier location is
10261 (arm_reorg): Include ftmp->address in allowable range of addresses.
10263 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
10266 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
10269 2006-05-02 Jakub Jelinek <jakub@redhat.com>
10271 PR middle-end/27337
10272 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
10273 around RESULT_DECL for result passed by reference.
10274 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
10275 * omp-low.c (use_pointer_for_field): Don't look at
10276 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
10277 (scan_omp_1): Call remap_decl on RESULT_DECLs.
10278 (lower_rec_input_clauses): Don't allocate VLA memory for the second
10279 time or var for passing by reference for
10280 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
10281 TREE_ADDRESSABLE variables when passing by reference.
10283 * omp-low.c (dump_omp_region): Fix output formatting.
10285 PR middle-end/27328
10286 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
10287 (expand_omp_parallel): Likewise.
10288 * tree-cfg.c (move_sese_region_to_fn): Likewise.
10290 PR middle-end/27325
10291 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
10292 on statement list containing also constructors and destructors.
10293 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
10295 PR middle-end/27310
10296 * except.c (duplicate_eh_regions): Fix clearing of
10297 cfun->eh->region_array entries.
10299 2006-05-01 DJ Delorie <dj@redhat.com>
10301 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
10303 (gcc_cv_objdump): Likewise.
10304 * configure: Regenerated.
10306 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
10309 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
10310 templates for case 3 and 4.
10312 2006-05-01 DJ Delorie <dj@redhat.com>
10314 * vec.c: Include bconfig.h when appropriate.
10315 * Makefile.in (build/vec.o): Adjust dependencies.
10316 * mkconfig.sh: Make sure config.h isn't used for build machine
10319 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10321 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
10323 (mark_phi_for_rewrite): New function.
10324 (insert_phi_nodes_for, mark_use_interesting): Call
10325 mark_phi_for_rewrite.
10326 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
10327 (update_ssa): Initialize and free phis_to_rewrite.
10329 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10331 PR rtl-optimization/27291
10332 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
10333 folded to a constant.
10335 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10337 PR tree-optimization/27283
10338 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
10339 not whole # of iteration descriptions.
10340 (niter_for_exit): Return just # of iterations. Fail if # of iterations
10341 uses abnormal ssa name.
10342 (niter_for_single_dom_exit): Ditto.
10343 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
10344 return just the number of iterations.
10346 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10348 PR tree-optimization/27144
10349 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
10350 (record_estimate): Only record constant upper bound.
10351 (infer_loop_bounds_from_undefined): Call
10352 compute_estimated_nb_iterations just once.
10353 (proved_non_wrapping_p): Renamed to ...
10354 (n_of_executions_at_most): ... this. Expect bound to be a constant.
10355 (convert_step_widening, scev_probably_wraps_p): Call
10356 n_of_executions_at_most instead of proved_non_wrapping_p.
10357 (substitute_in_loop_info): Do not replace values in bounds.
10358 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
10361 2006-05-01 Richard Henderson <rth@redhat.com>
10364 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
10365 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
10368 2006-05-01 Roger Sayle <roger@eyesopen.com>
10370 * c-typeck.c (parser_build_binary_op): Don't call the function
10371 unsigned_conversion_warning to spot operand/result type overflow.
10372 (build_binary_op): Instead, call convert_and_check instead of
10373 convert to report the problem when the operands are promoted.
10374 * c-common.c (unsigned_conversion_warning): Make static.
10375 * c-common.h (unsigned_conversion_warning): Delete prototype.
10377 2006-05-01 Richard Guenther <rguenther@suse.de>
10379 PR tree-optimization/26726
10380 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
10382 (find_interesting_uses_address): ... we work around here
10383 by folding INDIRECT_REFs in the substituted base.
10385 2006-05-01 Diego Novillo <dnovillo@redhat.com>
10387 * omp-low.c (dump_omp_region): Add newlines.
10389 2006-04-30 Roger Sayle <roger@eyesopen.com>
10391 * common.opt (Woverflow): New command line option.
10392 * c-common.c (constant_expression_warning): Check warn_overflow.
10393 (overflow_waring): Pass OPT_Woverflow to warning.
10394 (unsigned_conversion_warning): Likewise.
10395 (convert_and_check): Likewise.
10396 * doc/invoke.texi: Document new command line option.
10398 2006-04-30 David Edelsohn <edelsohn@gnu.org>
10400 * config/rs6000/rs6000.c (rs6000_override_options): Enable
10401 TARGET_NO_FP_IN_TOC for section anchors.
10402 (optimization_options): Enable section anchors for all
10403 non-"Objective" languages.
10405 2006-04-28 Eric Christopher <echristo@apple.com>
10407 * config/darwin-c.c (darwin_ms_struct): Move this
10408 (darwin_set_default_type_attributes): and this...
10409 * config/darwin.c: ... here.
10410 * config/darwin.h (darwin_ms_struct): Declare.
10412 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
10414 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
10416 2006-04-28 Roger Sayle <roger@eyesopen.com>
10419 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
10420 (push_array_bounds): Delete prototype. Change BOUNDS argument to
10421 an unsigned HOST_WIDE_INT.
10422 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
10424 (really_start_incremental_init): No need to call convert because
10425 bitsize_zero_node is already of type bitsizetype.
10426 (push_init_level): Extract the value of constructor_index as an
10427 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
10428 (process_init_element): Likewise.
10430 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
10432 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
10433 value before passing to make_relative_prefix.
10435 2006-04-28 Alan Modra <amodra@bigpond.net.au>
10437 PR middle-end/27260
10438 * builtins.c (expand_builtin_memset): Expand val in original mode.
10440 2006-04-27 Eric Christopher <echristo@apple.com>
10442 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
10443 with #ifndef/#endif.
10444 * config/darwin-c.c (darwin_ms_struct): New.
10445 (darwin_pragma_ms_struct): Ditto.
10446 (darwin_set_default_type_attributes): Ditto.
10447 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
10448 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
10449 Register ms_struct pragma.
10450 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
10451 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
10452 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
10453 darwin_set_default_type_attributes if TARGET_MACHO.
10455 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
10457 PR tree-optimization/26854
10458 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
10459 * doc/tree-ssa.texi: Update immuse iterator documentation.
10460 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
10461 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
10462 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
10463 first_safe_imm_use, next_safe_imm_use): Remove.
10464 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
10465 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
10466 (move_use_after_head): New. Helper function to sort immuses in a stmt.
10467 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
10468 (first_imm_use_stmt): New. Get first stmt in an immuse list.
10469 (next_imm_use_stmt): New. Get next stmt in an immuse list.
10470 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
10471 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
10472 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
10473 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
10474 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
10475 (perfect_nestify): Use new iterator.
10476 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
10478 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
10479 (next_imm_name): New field in struct immediate_use_iterator_d.
10480 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
10481 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
10482 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
10483 * tree-cfg.c (replace_uses_by): Use new iterator.
10484 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
10485 * tree-ssa-operands.c (correct_use_link): Remove.
10486 (finalize_ssa_use_ops): No longer call correct_use_link.
10488 2006-04-27 Stuart Hastings <stuart@apple.com>
10490 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
10491 * config/t-darwin (crt3.o): Use it.
10492 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
10493 'pmode', use Pmode instead of SImode for SYMBOL_REF.
10494 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
10495 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
10496 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
10499 2006-04-27 Roger Sayle <roger@eyesopen.com>
10501 * expmed.c (store_fixed_bit_field): If we're not optimizing for
10502 size, force the intermediate into a new pseudo rather instead of
10503 performing both a bitwise AND and a bitwise IOR in memory.
10505 2006-04-27 Richard Guenther <rguenther@suse.de>
10507 PR rtl-optimization/26685
10508 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
10509 this one "max-flow-memory-locations".
10511 2006-04-27 Richard Guenther <rguenther@suse.de>
10513 PR tree-optimization/25148
10514 * tree-vrp.c (compare_values): Remove code dealing with
10515 comparisons against type min/max value. Honour overflow
10516 and negative constants in code dealing with comparisons
10517 of plus and minus expressions.
10518 (value_inside_range): Use fold_binary with LE_EXPR and
10519 GE_EXPR rather than compare_values.
10521 2006-04-27 Dirk Mueller <dmueller@suse.de>
10523 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
10526 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
10528 * basic-block.h (safe_insert_insn_on_edge): Removed.
10529 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
10531 2006-04-26 David Edelsohn <edelsohn@gnu.org>
10532 Paolo Bonzini <bonzini@gnu.org>
10534 PR middle-end/27282
10535 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
10536 (simplify_and_const_int): Same.
10538 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
10540 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
10542 2006-04-26 Jakub Jelinek <jakub@redhat.com>
10545 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
10546 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
10547 cgraph_global_info_ready.
10549 PR middle-end/26913
10550 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
10553 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
10554 either decl or init is error_mark_node.
10556 PR middle-end/25989
10557 * tree-flow.h (struct omp_region): Add sched_kind.
10558 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10559 instead of extracting omp for data.
10560 (expand_omp_for): Save extracted sched_kind.
10562 2006-04-25 Roger Sayle <roger@eyesopen.com>
10564 * expmed.c (store_bit_field): Also check whether the bitsize is
10565 valid for the machine's "insv" instruction before moving the
10566 target into a pseudo for use with the insv.
10567 * config/i386/predicates.md (const8_operand): New predicate.
10568 * config/i386/i386.md (extv, extzv, insv): Use the new
10569 const8_operand predicate where appropriate.
10571 2006-04-25 DJ Delorie <dj@redhat.com>
10573 * doc/install.texi (Specific): Clarify that this is not a list of
10574 supported hosts or targets.
10576 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10578 PR rtl-optimization/26725
10579 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10580 block's BB_DIRTY flag.
10582 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10584 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10587 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10588 to print an integer.
10590 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10592 * varasm.c (align_variable): New function.
10593 (get_block_for_decl): Apply align_variable to DECL before
10594 calculating section information.
10595 (assemble_variable): Split out alignment computation.
10597 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10599 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10602 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10604 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10605 MODE_PARTIAL_INT mode.
10606 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10607 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10609 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10610 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10612 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10614 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10616 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10617 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10618 MACFLAG_IH): Likewise.
10619 (movstricthi_1): Renamed from "*movstricthi".
10620 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10621 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10622 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10623 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10624 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10625 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10626 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10627 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10628 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10629 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10630 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10631 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10632 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10633 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10634 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10636 * doc/rtl.texi (ss_ashift): Improve wording.
10638 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10640 * dwarf2out.c (verify_marks_clear): New.
10641 (prune_unused_types): Call verify_marks_clear initially, not
10644 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10646 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10647 * doc/rtl.texi: Document them.
10648 * simplify-rtx.c (simplify_unary_operation,
10649 simplify_binary_operation_1): Don't abort when we see them.
10651 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10654 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10655 * configure.ac: Completely disregard languages that are not
10657 * configure: Regenerated.
10659 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10660 Richard Guenther <rguenther@suse.de>
10662 PR tree-optimization/27236
10663 * tree-inline.c (copy_body_r): Make sure to copy
10664 TREE_THIS_VOLATILE flag.
10666 2006-04-24 Richard Guenther <rguenther@suse.de>
10668 PR middle-end/26869
10669 * tree-complex.c (update_parameter_components): Don't handle
10670 unused parameters which have no default def.
10672 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10673 Richard Guenther <rguenther@suse.de>
10675 PR tree-optimization/27218
10676 * tree-inline.c (expand_call_inline): Strip useless type
10677 conversions for the return slot address.
10679 2006-04-24 Richard Guenther <rguenther@suse.de>
10681 * cfgloop.h (struct loops): Remove unused field array. Reorder
10683 (LOOP_PREFETCH): Remove.
10685 2006-04-24 Richard Guenther <rguenther@suse.de>
10687 PR tree-optimization/22525
10688 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10689 variable, adjust types of generated expressions.
10691 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10693 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10694 (tree-vect-patterns.o): Likewise.
10695 (jump.o): Likewise.
10696 (cselib.o): Likewise.
10697 (loop-doloop.o): Likewise.
10698 (regclass.o): Likewise.
10699 (reload1.o): Likewise.
10700 (explow.o): Replace target.h with $(TARGET_H).
10701 (ipa-prop.o): Likewise.
10702 (ipa-cp.o): Likewise.
10703 (ipa-inline.o): Likewise.
10704 (reorg.o): Likewise.
10705 (reg-stack.o): Likewise.
10707 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10709 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10711 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10713 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10715 * configure.ac: Completely disregard languages that are not
10717 * configure: Regenerated.
10720 * c-common.h (c_build_bitfield_integer_type): Declare.
10721 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10722 * c-common.c (c_build_bitfield_integer_type): ... here.
10724 2006-04-23 Roger Sayle <roger@eyesopen.com>
10727 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10728 a SImode SUBREG of a floating point register after no_new_pseudos.
10730 2006-04-23 Roger Sayle <roger@eyesopen.com>
10732 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10733 identify potentially eliminable registers to additionally catch
10734 VIRTUAL_INCOMING_ARGS_REGNUM.
10735 (addsi3): Update the conditions on when to use addsi_small_int.
10737 2006-04-23 Roger Sayle <roger@eyesopen.com>
10740 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10741 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10742 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10744 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10746 * fold-const.c (range_predecessor): Use operand_equal_p
10747 as the predicate for equality.
10748 (range_successor): Likewise.
10750 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10753 * config/soft-fp/op-common.h: Fix a typo.
10755 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10757 PR libmudflap/26864
10758 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10759 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10761 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10763 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10765 * doc/tm.texi: Fix a typo.
10767 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10769 * dwarf2out.c (struct die_struct): Document that die_sib makes
10770 a circular linked list.
10771 (FOR_EACH_CHILD): New.
10772 (reverse_die_lists): Delete.
10773 (reverse_all_dies): Delete.
10774 (add_dwarf_attr): Correct documentation.
10775 (remove_child_with_prev): New.
10776 (remove_child_TAG): Update for change to die_struct, use
10777 remove_child_with_prev.
10778 (add_child_die): Update for change to die_struct.
10779 (splice_child_die): Use remove_child_with_prev and add_child_die.
10780 (print_die): Use FOR_EACH_CHILD.
10781 (die_checksum): Likewise.
10782 (assign_symbol_names): Likewise.
10783 (output_location_lists): Likewise.
10784 (build_abbrev_table): Likewise.
10785 (calc_die_sizes): Likewise.
10786 (mark_dies): Likewise.
10787 (unmark_dies): Likewise.
10788 (unmark_all_dies): Likewise.
10789 (output_die): Likewise.
10790 (prune_unused_types_mark): Likewise.
10791 (prune_unused_types_walk): Likewise.
10792 (same_die_p): Update for change to die_struct.
10793 (break_out_includes): Likewise.
10794 (prune_unused_types_prune): Likewise.
10795 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10796 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10797 it's already clear.
10798 (dwarf2out_finish): Don't call reverse_all_dies.
10800 2006-04-21 Eric Christopher <echristo@apple.com>
10802 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10803 in comments and function names.
10805 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10808 * c-typeck.c (digest_init): Robustify.
10810 * c-typeck.c (pop_init_level): Simplify.
10812 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10814 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10816 2006-04-21 Paul Brook <paul@codesourcery.com>
10818 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10819 hardware floating point.
10821 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10823 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10826 2006-04-21 Nick Clifton <nickc@redhat.com>
10828 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10831 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10834 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10835 C++ lang type in traceback table for Objective-C++.
10837 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10839 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10841 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10843 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10846 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10847 were errors. Remove check for erroneous objects.
10849 2006-04-20 Jeff Law <law@redhat.com>
10851 PR tree-optimization/26854
10852 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10853 checking for zero or one use.
10854 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10855 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10856 * tree-ssa-reassoc.c (negate_value): Similarly.
10857 (reassociate_bb): Similarly.
10859 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10861 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10862 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10863 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10865 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10867 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10868 fp regs if the last fp arg doesn't fit in regs.
10870 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10873 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10874 that the last insn has the REG_INC note.
10876 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10877 Nathan Sidwell <nathan@codesourcery.com>
10880 * stor-layout.c (update_alignment_for_field): Do not align
10882 (place_union_field): Place union field at the start of the union.
10883 (place_field): Move ERROR_MARK check later, and use the current
10884 allocation position to maintain monotonicity.
10886 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10888 * dominance.c: Include timevar.h.
10889 (calculate_dominance_info): Use TV_DOMINANCE.
10890 * timevar.def (TV_DOMINANCE): New timevar.
10891 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10893 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10895 PR rtl-optimization/14261
10896 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10897 move would be an INSV insn.
10898 (noce_process_if_block): Don't optimize if the destination is a
10899 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10901 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10903 * config/s390/s390.md: Add comments with the instructions emitted
10904 by an insn pattern if macros are used.
10906 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10908 PR rtl-optimization/26026
10909 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10910 is a known power of two shifted left a variable amount.
10912 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10914 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10915 to hash table twice when the debug_str section has SECTION_MERGE.
10917 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10919 * config/soft-fp: New directory. From glibc.
10920 * config/soft-fp/t-softfp: New.
10921 * config/soft-fp/README: New.
10922 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10923 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10924 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10925 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10926 * config.gcc: Use rs6000/t-fprules-fpbit or
10927 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10929 * config/rs6000/sfp-machine.h: New. Based on glibc.
10930 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10932 * config/rs6000/t-fprules: Remove fp-bit rules.
10933 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10934 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10935 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10936 (softfp_wrap_start, softfp_wrap_end): New.
10938 2006-04-18 DJ Delorie <dj@redhat.com>
10940 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10942 2006-04-18 Devang Patel <dpatel@apple.com>
10944 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10946 2006-04-18 Nick Clifton <nickc@redhat.com>
10948 * config/sh/t-symbian: Add rule to build sh-c.o
10949 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10950 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10951 (sh_symbian_encode_section_info): Likewise.
10953 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10955 * builtins.c (expand_builtin_strcmp): Cover label definition of
10956 do_libcall with HAVE_cmpstrnsi.
10958 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10960 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10962 * function.h (temp_slot_p): New.
10963 (function): Change the type of x_used_temp_slots to
10964 VEC(temp_slot_p,gc) *.
10966 2006-04-18 Nick Clifton <nickc@redhat.com>
10968 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10969 flag_strength_reduce.
10971 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10973 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10977 Partial revert of revision 112637
10978 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10979 Dale Johannesen <dalej@apple.com>
10982 * regclass.c (struct reg_pref): Update documentation.
10983 (regclass): Set prefclass to NO_REGS if memory is the best option.
10984 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10986 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10988 PR tree-optimization/26821
10989 * tree-ssa-math-opts.c (get_constant_one): New.
10990 (insert_reciprocals): Use it.
10992 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10994 * dwarf2out.c (free_AT): Delete.
10995 (remove_AT): Update string ref counts.
10996 (remove_child_TAG): Don't call free_die.
10997 (free_die): Delete.
10998 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10999 or DW_TAG_GNU_EINCL.
11000 (prune_unused_types_walk_attribs): Reset string refcounts.
11001 (prune_unused_types_update_strings): New.
11002 (prune_unused_types_prune): Don't make unnecessary stores. Don't
11003 call free_die. Do call prune_unused_types_update_strings.
11004 (prune_unused_types): Empty debug_str_hash.
11006 2006-04-17 Roger Sayle <roger@eyesopen.com>
11008 * expr.c (expand_assignment): Optimize away no-op moves where the
11009 source and destination are equal and have no side-effects.
11011 2006-04-17 Richard Guenther <rguenther@suse.de>
11014 * reload.c (push_reload): Guard calls to get_secondary_mem
11015 for memory subregs.
11017 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
11019 * alias.c (reg_base_value, old_reg_base_value): Change the
11020 type to VEC(rtx,gc) *.
11021 (REG_BASE_VALUE, find_base_value, record_set,
11022 init_alias_analysis): Use VEC instead of VARRAY.
11024 * alias.c (alias_sets): Change the type to
11025 VEC(alias_set_entry,gc) *.
11026 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
11027 VEC instead of VARRAY.
11028 (last_alias_set): Remove.
11030 * cgraph.h (cgraph_edge_p): New.
11031 Update the prototype of cgraph_function_versioning.
11032 * cgraphunit.c (cgraph_copy_node_for_versioning,
11033 cgraph_function_versioning): Use VEC instead of VARRAY.
11034 * ipa-cp.c (ipcp_insert_stage): Likewise.
11036 2006-04-16 Roger Sayle <roger@eyesopen.com>
11039 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
11040 "A op B" or "A op C", we may need to convert A to the type of B and C.
11042 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
11044 * target.h (struct gcc_target): Add mode_rep_extended.
11045 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
11046 (init_num_sign_bit_copies_in_rep): Initialize it using
11048 (truncate_to_mode): Use it.
11049 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
11050 * targhooks.h (default_mode_rep_extended): Declare it.
11051 * targhooks.c (default_mode_rep_extended): Define it.
11052 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
11053 default_mode_rep_extended.
11054 (TARGET_INITIALIZER): Include it.
11055 * doc/tm.texi (Misc): Document it.
11056 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
11057 (mips_truncated_to_mode): New function.
11059 2006-04-16 Roger Sayle <roger@eyesopen.com>
11061 PR middle-end/25474
11062 * expr.c (compress_float_constant): Copy the narrow constant into
11063 a new pseudo before extending it to its final width.
11065 2006-04-16 Roger Sayle <roger@eyesopen.com>
11066 Andrew Pinski <pinskia@gcc.gnu.org>
11067 Dale Johannesen <dalej@apple.com>
11070 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
11071 special case code to implement V8HImode and V16QImode with SSE2.
11073 2006-04-15 Roger Sayle <roger@eyesopen.com>
11075 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
11076 trees are constructed with a suitable tree type.
11078 2006-04-15 Roger Sayle <roger@eyesopen.com>
11080 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
11081 (integer_onep): Likewise.
11082 (integer_all_onesp): Likewise.
11083 (integer_pow2p): Likewise.
11084 (integer_nonzerop): Likewise.
11085 (real_zerop): Likewise.
11086 (real_onep): Likewise.
11087 (real_twop): Likewise.
11088 (real_minus_onep): Likewise.
11089 (int_size_in_bytes): Likewise.
11090 (host_integerp): Likewise.
11092 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
11094 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
11095 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
11096 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
11098 * tree-ssa-structalias.h (alias_info): Remove num_references.
11100 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11102 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
11103 (output_bvb patterns): Likewise.
11104 * pa.c (output_bb): Use 'bb' insn for long branch case.
11105 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
11106 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
11107 1. Correct length operand for alternatives 1 and 2.
11108 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
11109 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
11111 2006-04-14 Roger Sayle <roger@eyesopen.com>
11113 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
11114 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
11115 were accidentally reverted by r112959.
11117 2006-04-15 Jakub Jelinek <jakub@redhat.com>
11119 PR middle-end/26823
11120 * except.h (eh_region_outermost): New prototype.
11121 * except.c (eh_region_outermost): New function.
11122 * tree-cfg.c (find_outermost_region_in_block): Use it.
11124 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
11126 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
11128 * reload1.c (reg_equiv_memory_loc_varray): Rename to
11129 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
11130 (init_reload, reload): Use VEC instead of VARRAY.
11131 * reload.h: Update the prototype for
11132 reg_equiv_memory_loc_varray.
11134 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
11135 Eric Botcazou <ebotcazou@libertysurf.fr>
11137 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
11138 register save area.
11140 2005-04-13 Uros Bizjak <uros@kss-loka.si>
11142 PR middle-end/27134
11143 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
11144 to expand fallback builtin function call.
11146 2006-04-14 Alan Modra <amodra@bigpond.net.au>
11148 PR middle-end/27095
11149 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
11150 and emit libcall here in case the builtin fails.
11151 (expand_builtin_strcmp): Always emit the libcall here on failure.
11153 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
11155 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
11156 * flow.c (reg_n_info): Change the type to
11157 VEC(reg_info_p,heap) *.
11158 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
11160 * regs.h (reg_info_p): New.
11161 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
11162 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
11163 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
11166 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
11168 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
11170 * params.h (MAX_SCHED_READY_INSNS): New macro.
11171 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
11172 past MAX_SCHED_READY_INSNS during the first scheduling pass.
11173 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
11174 the ready list for 1 cycle during the first scheduling pass.
11175 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
11177 2006-04-13 Richard Henderson <rth@redhat.com>
11180 * gimple-low.c (lower_omp_directive): Remove dead code.
11181 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
11182 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
11183 * omp-low.c (struct omp_region): Move to tree-flow.h.
11184 (root_omp_region): Export.
11185 (omp_regions, lookup_omp_region): Remove.
11186 (determine_parallel_type): Update for struct omp_region changes.
11187 (dump_omp_region): Dump regions with block numbers.
11188 (new_omp_region): Take type and block instead of stmt; malloc
11190 (free_omp_region_1, free_omp_regions): New.
11191 (expand_parallel_call): Take entry_stmt as argument; update for
11192 changes to omp_region.
11193 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
11194 (remove_exit_barriers): New.
11195 (expand_omp_parallel): Update for struct omp_region changes.
11196 (expand_omp_synch): Likewise.
11197 (expand_omp): Likewise.
11198 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
11199 (expand_omp_for_static_chunk): Likewise.
11200 (expand_omp_for): Likewise.
11201 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
11202 (expand_omp_sections): Similarly, with GOMP_sections_end.
11203 (expand_omp_single): New.
11204 (build_omp_regions_1): Update for OMP_CONTINUE.
11205 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
11206 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
11207 OMP_SECTIONS_SECTIONS.
11208 (lower_omp_single_simple): Don't emit barrier here.
11209 (lower_omp_single_copy): Likewise.
11210 (lower_omp_single): Fix bindings, and lower to straightline now.
11211 (lower_omp_master, lower_omp_ordered): Likewise.
11212 (lower_omp_critical): Likewise.
11213 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
11214 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
11215 omp edges, free it afterward.
11216 (make_omp_sections_edges): Remove.
11217 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
11218 (move_stmt_r): Handle OMP_CONTINUE.
11219 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
11220 statement pointers to basic blocks. Add type member.
11221 (root_omp_region, new_omp_region, free_omp_regions): Declare.
11222 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
11223 * tree-inline.c (estimate_num_insns_1): Likewise.
11224 * tree-pretty-print.c (dump_generic_node): Likewise.
11225 * tree-ssa-operands.c (get_expr_operands): Likewise.
11226 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
11227 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
11228 (OMP_CONTINUE): New.
11229 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
11230 (OMP_SECTIONS_SECTIONS): Remove.
11231 (OMP_SECTION_LAST): New.
11232 (OMP_RETURN_NOWAIT): New.
11234 2006-04-13 Roger Sayle <roger@eyesopen.com>
11236 * fold-const.c (native_encode_vector, native_interpret_real):
11237 Correct obvious mistakes in the previous check-in.
11239 2006-04-13 Roger Sayle <roger@eyesopen.com>
11241 * fold-const.c (native_encode_expr): New function to encode
11242 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
11243 or VECTOR_CST into a specified buffer.
11244 (native_encode_int): New function.
11245 (native_encode_real): New function.
11246 (native_encode_complex): New function.
11247 (native_encode_vector): New function.
11248 (native_interpret_expr): Inverse of native_encode_expr to convert
11249 a target representation into an INTEGER_CST, REAL_CST etc...
11250 (native_interpret_int): New function.
11251 (native_interpret_real): New function.
11252 (native_interpret_complex): New function.
11253 (native_interpret_vector): New function.
11254 (fold_view_convert_expr): New function to constant fold/evaluate
11255 a VIEW_CONVERT_EXPR of a suitable constant expression.
11256 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
11257 Change call of build1 to fold_build1 when constructing a
11260 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
11261 Ulrich Weigand <uweigand@de.ibm.com>
11264 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
11267 2006-04-13 Alan Modra <amodra@bigpond.net.au>
11270 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
11271 optimize to lo_sum for DFmode if !TARGET_FPRS.
11273 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
11275 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
11276 delete_alias_info, compute_flow_sensitive_aliasing,
11277 group_aliases): Use VEC instead of VARRAY.
11278 * tree-ssa-structalias.c (update_alias_info): Likewise.
11279 * tree-ssa-structalias.h (alias_info): Change the type of
11280 processed_ptrs to VEC(tree,heap) *.
11282 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
11285 * config/sh/lib1funcs.h: New file, broken out of:
11286 * config/sh/lib1funcs.asm.
11287 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
11289 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
11290 * config/sh/lib1funcs-Os-4-200.asm: New file.
11291 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
11292 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
11293 (EXTRA_MULTILIB_PARTS): Include it.
11294 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
11295 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
11296 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
11297 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
11300 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
11302 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
11303 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
11304 tpa_compact, root_var_init, type_var_init): Use VEC instead of
11306 * tree-ssa-live.h: Include vecprim.h.
11307 (tree_partition_associator_d): Change the type of
11308 first_partition to VEC(int,heap) *.
11309 (tpa_first_partition): Use VEC instead of VARRAY.
11311 * Makefile.in (GTFILES): Move functions.h after tree.h.
11312 * function.c (reset_block_changes, record_block_change,
11313 check_block_change, free_block_changes): Use VEC instead of
11315 * function.h (function): Change the type of
11316 ib_boundaries_block to VEC(tree,gc) *.
11317 * tree-inline.c (copy_cfg_body): Initialize
11318 ib_boundaries_block to NULL instead of (varray_type) 0.
11320 2006-04-12 Roger Sayle <roger@eyesopen.com>
11322 * expr.c (emit_group_store): Correct operand order in call to
11323 subreg_lowpart_offset. Always create paradoxical SUBREGs with
11324 a SUBREG_BYTE of zero.
11326 2006-04-12 Richard Guenther <rguenther@suse.de>
11328 * profile.c (compute_branch_probabilities): Remove code
11329 encapsulated in !ir_type (), which are remanents of the
11330 removed RTL profiling code.
11331 * rtl-profile.c: Remove.
11333 2006-04-12 Alan Modra <amodra@bigpond.net.au>
11335 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
11336 magic NULL_RTX comment.
11337 (function_arg): Store entire fp arg to mem if any part should go
11339 (rs6000_arg_partial_bytes): Adjust for above change.
11341 2006-04-11 Roger Sayle <roger@eyesopen.com>
11343 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
11344 if it hasn't been initialized by dwarf2out_init.
11346 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
11348 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
11349 symbolic constants in branch patterns.
11351 2006-04-11 Roger Sayle <roger@eyesopen.com>
11353 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
11355 2006-04-11 Richard Sandiford <richard@codesourcery.com>
11357 PR rtl-optimization/27073
11358 * gcse.c (try_replace_reg): Revert last change. Continue to search
11359 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
11362 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
11364 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
11365 aggregate types other than record and union types.
11366 (function_arg): Likewise.
11367 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
11369 (function_value): In 64-bit mode, return objects that require it
11372 2006-04-11 Roger Sayle <roger@eyesopen.com>
11374 * dwarf2out.c (premark_used_types): Remove problematic prototype.
11376 2006-04-11 Jakub Jelinek <jakub@redhat.com>
11378 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
11380 2006-04-03 Jeff Law <law@redhat.com>
11383 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
11384 alias information too.
11386 2006-04-10 Mike Frysinger <vapier@gentoo.org>
11388 * Makefile.in (gcc-cross): Add $(exeext) to target name.
11390 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
11393 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
11394 (premark_used_types_helper): New.
11395 (premark_used_types): New.
11396 (gen_subprogram_die): Call premark_used_types.
11397 (prune_unused_types_walk): Do not prune perennial dies.
11398 * function.c (used_types_insert): New.
11399 * function.h (struct function): Add used_types_hash field.
11400 (used_types_insert): Add prototype.
11401 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
11402 * c-parser.c (c_parser_cast_expression): Save casted types in used
11405 2006-04-11 Mark Mitchell <mark@codesourcery.com>
11408 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
11409 rs6000_explicit_options.float_gprs.
11411 2006-04-10 Roger Sayle <roger@eyesopen.com>
11413 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
11414 from ix86_expand_vector_init_low_nonzero. Take an additional
11415 one_var argument indicating which element is non-zero. Support
11416 one_var != 0 for V4SFmode and V4SImode by permuting the result.
11417 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
11418 with one_var instead of ix86_expand_vector_init_low_nonzero.
11420 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
11422 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
11423 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
11424 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
11425 build/genextract.o): Depend on vecprim.h.
11426 * cfglayout.c, df-problems.c, function.c, genextract.c,
11427 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
11428 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
11432 2006-04-10 Geoffrey Keating <geoffk@apple.com>
11434 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
11435 Declare VECs of this type.
11436 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
11437 (remove_children): Delete.
11438 (add_dwarf_attr): Use VEC routines.
11439 (add_AT_flag): Update for changes to add_dwarf_attr.
11440 (add_AT_int): Likewise.
11441 (add_AT_unsigned): Likewise.
11442 (add_AT_long_long): Likewise.
11443 (add_AT_vec): Likewise.
11444 (add_AT_string): Likewise.
11445 (add_AT_die_ref): Likewise.
11446 (add_AT_fde_ref): Likewise.
11447 (add_AT_loc): Likewise.
11448 (add_AT_loc_list): Likewise.
11449 (add_AT_addr): Likewise.
11450 (add_AT_lbl_id): Likewise.
11451 (add_AT_lineptr): Likewise.
11452 (add_AT_macptr): Likewise.
11453 (add_AT_offset): Likewise.
11454 (add_AT_range_list): Likewise.
11455 (get_AT): Use VEC_iterate.
11456 (remove_AT): Use VEC_ordered_remove.
11457 (free_die): Fold remove_children into here; have it use VEC_iterate.
11458 (print_die): Use VEC_iterate on attrs.
11459 (reverse_die_lists): Don't reverse attr lists.
11460 (die_checksum): Use VEC_iterate on attrs.
11461 (same_die_p): Likewise.
11462 (output_location_lists): Likewise.
11463 (build_abbrev_table): Likewise.
11464 (size_of_die): Likewise.
11465 (unmark_all_dies): Likewise.
11466 (output_abbrev_section): Likewise.
11467 (output_die): Likewise.
11468 (prune_unused_types_walk_attribs): Likewise.
11470 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11472 * doc/install.texi (*-*-solaris2*): Point to the configure page.
11474 2006-04-10 Jakub Jelinek <jakub@redhat.com>
11477 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
11479 2006-04-09 Roger Sayle <roger@eyesopen.com>
11481 * expr.c (store_constructor): Don't bother clearing target if
11482 we're about to assign a vector to it using vec_init_optab.
11484 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
11486 * tree-ssa-alias.c (lhs_may_store_to): New function.
11487 (recalculate_used_alone): Handle LHS of calls.
11489 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11493 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
11494 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
11495 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
11496 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
11497 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
11498 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
11499 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
11500 stubs. Add ".align 8" directives before all ".dword" directives.
11501 (GTHREAD_USE_WEAK): Revise comment.
11502 (TARGET_ATTRIBUTE_WEAK): Define.
11503 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
11504 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
11505 * stublib.c: New file.
11510 * pa.md (cbranch patterns): Revise arguments used in calls to
11511 output_cbranch, output_bb and output_bvd. Add long branch length
11513 (fbranch patterns): Handle long branches.
11514 (jump): Revise length check. Revise arguments for output_lbranch call.
11515 Add long branch length attributes.
11516 (decrement_and_branch_until_zero): Add long branch length attributes.
11517 (output_movb, output_parallel_addb and output_parallel_movb patterns):
11518 Likewise. Revise arguments for output_parallel_addb and
11519 output_parallel_movb calls.
11520 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
11521 output_parallel_movb and output_parallel_addb): Update prototypes.
11522 * pa.c (output_cbranch): Revise arguments. Correct handling of
11523 nullification in long branches.
11524 (output_lbranch): Add new argument to control extraction of delay
11526 (output_bb): Handle long branches.
11527 (output_bvb, output_dbra, output_movb, output_parallel_movb,
11528 output_parallel_addb): Likewise.
11530 2006-04-09 Richard Sandiford <richard@codesourcery.com>
11532 PR rtl-optimization/27073
11533 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
11536 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
11538 * tree.h (tree_memory_tag): Add old_used_alone.
11539 (SMT_OLD_USED_ALONE): New macro.
11540 * tree-ssa-alias.c (recalculate_used_alone): Stop
11541 marking things for renaming unnecessarily.
11543 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
11545 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11546 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
11547 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
11548 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
11549 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
11550 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
11551 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
11552 spelling convensions.
11553 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
11554 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11555 typos. Follow spelling conventions.
11557 2006-04-07 DJ Delorie <dj@redhat.com>
11559 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11560 passed on the stack.
11561 (m32c_init_cumulative_args): When a function returns a structure,
11562 always pass the pointer to that return area on the stack.
11563 (m32c_function_arg_advance): Don't increment the parameter number
11564 if we're processing the returned structure pointer.
11565 (pushm_info): Reverse order of registers.
11567 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11569 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11570 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11571 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11572 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11573 build_int_cst_type.
11574 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11575 chrec_fold_multiply): Same.
11576 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11577 force_expr_to_var_cost): Same.
11578 * tree-mudflap.c (mf_xform_derefs_1): Same.
11579 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11581 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11583 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11584 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11587 2006-04-07 Jan Hubicka <jh@suse.cz>
11589 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11591 2006-04-07 Richard Guenther <rguenther@suse.de>
11593 PR tree-optimization/26135
11594 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11595 loads for store copy-prop.
11596 (copy_prop_visit_stmt): Likewise.
11598 2006-04-05 Robert Millan <robertmh@gnu.org>
11600 * config/i386/linux.h: Add a comment to mark macros that are
11601 being overriden in config/k*bsd-gnu.h.
11602 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11604 * config/knetbsd-gnu.h: Ditto.
11606 2006-04-06 Jan Hubicka <jh@suse.cz>
11610 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11613 2006-04-06 Mike Stump <mrs@apple.com>
11615 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11616 for HAVE_nonlocal_goto to be consistent.
11617 (expand_builtin_nonlocal_goto): Likewise.
11618 (expand_builtin_strcmp): Use #ifdef instead of #if
11619 for HAVE_cmpstrnsi to be consistent.
11621 2006-04-05 DJ Delorie <dj@redhat.com>
11623 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11626 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11628 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11629 got-relative addressing for anything but SImode.
11631 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11632 even if the calling function doesn't modify them.
11634 2006-04-05 Richard Guenther <rguenther@suse.de>
11636 PR tree-optimization/26919
11637 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11638 to cgraph_estimate_size_after_inlining.
11640 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11642 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11644 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11646 PR tree-optimization/26996
11647 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11648 VECTOR_TYPE variables.
11650 2006-04-05 Richard Guenther <rguenther@suse.de>
11652 PR tree-optimization/26763
11653 * fold-const.c (fold_comparison): Move folding of
11654 PTR + CST CMP PTR + CST ...
11655 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11657 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11659 * doc/install.texi (Prerequisites): Refine some wording on
11660 bootstrapping and ksh.
11661 Move the version numbers of DejaGnu here from the testing section
11662 and fix casing of names.
11663 Fix markup and clarify wording for autogen requirements.
11664 Refer to GCJ instead of just java.
11665 Refer to SVN instead of CVS.
11666 Describe diffutils as useful instead of necessary.
11667 (Downloading the source): Refer to SVN instead of CVS.
11668 Adjust a link to our web site accordingly.
11669 (Configuration): Fix casing of Bison.
11670 (Building): Refer to SVN instead of CVS.
11671 Fix a sentence on the use of Bison and remove duplicate (and
11672 incorrect) version number of Bison requirement.
11673 Remove one redundant list of packages needed for building.
11674 (Specific): Avoid reference to CVS.
11676 2006-04-04 Eric Christopher <echristo@apple.com>
11678 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11679 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11680 (rs6000_handle_struct_attribute): New.
11681 (rs6000_ms_bitfield_layout_p): Ditto.
11683 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11685 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11686 NULL for dso parameter to atexit_common.
11688 2006-04-04 Eric Christopher <echristo@apple.com>
11690 * config/i386/i386.c (machopic_output_stub): Output \t
11691 between instructions and operands.
11693 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11695 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11696 satisfies_constraint_[IL] to explicit tests on value.
11698 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11700 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11701 set_nb_iterations_in_loop): Use build_int_cst instead of
11702 build_int_cst_type.
11703 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11704 build_int_cst instead of convert.
11706 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11708 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11709 new value 2 for incoming.
11710 * function.c (expand_function_start): Call struct_value_rtx
11711 with incoming as 2.
11712 * config/sparc/sparc.md: Comment updated_return.
11713 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11714 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11715 struct return if sparc_std_struct_return and incoming is 2.
11716 (print_operand): Do not adjust return if
11717 sparc_std_struct_return.
11719 2006-04-04 Roger Sayle <roger@eyesopen.com>
11721 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11722 convert in the middle-end.
11723 * expr.c (store_expr, store_constructor, get_inner_reference,
11724 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11726 * tree.c (build_range_type): Likewise.
11728 2006-04-04 Tom Tromey <tromey@redhat.com>
11730 * doc/install.texi (Prerequisites): Mention jar.
11732 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11734 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11737 2006-04-04 Matthias Klose <doko@debian.org>
11739 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11743 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11746 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11748 * doc/extend.texi (Function Attributes): Rewrite visibility
11749 attribute documentation.
11750 * doc/invoke.texi (C++ Dialect Options): Rewrite
11751 -fvisibility-inlines-hidden documentation to describe something
11752 entirely different, although in practise compatible.
11753 (Code Gen Options): Warn about system headers in -fvisibility=
11756 * doc/extend.texi (Other Builtins): Document that
11757 __builtin_nan is a compile-time constant only when its argument
11760 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11762 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11763 trying to remove TRUNCATE check if all bits outside the new mode
11764 are identical to the sign bit.
11766 2006-04-03 Jeff Law <law@redhat.com>
11768 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11769 and operand scanning in some common cases.
11771 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11772 Dale Johannesen <dalej@apple.com>
11775 * regclass.c (struct reg_pref): Update documentation.
11776 (regclass): Set prefclass to NO_REGS if memory is the best option.
11777 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11778 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11779 into account. For non-registers, equate an empty preferred
11780 reload class to a `!' in the constraint; move the if clause to
11781 do so after those that reject the insn.
11782 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11784 (find_dummy_reload): Likewise.
11785 * doc/tm.texi (Register Classes): Document what it means
11786 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11787 * config/i386/i386.c (ix86_preferred_reload_class): Force
11788 using SSE registers (and return NO_REGS for floating-point
11789 constants) if math is done with SSE.
11790 (ix86_preferred_output_reload_class): New.
11791 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11792 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11793 * config/i386/i386.md: Remove # register preferences.
11795 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11798 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11799 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11800 the type of nb_iter.
11801 (instantiate_parameters_1): Convert the operands before calling
11802 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11803 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11805 2006-04-02 Roger Sayle <roger@eyesopen.com>
11807 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11808 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11809 instead of convert.
11810 * dojump.c (do_jump): Likewise.
11811 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11812 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11813 gimplify_boolean_expr): Likewise.
11814 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11815 * varasm.c (array_size_for_constructor): Likewise.
11816 * tree-object-size.c (compute_object_offset): Likewise.
11818 2006-04-02 Roger Sayle <roger@eyesopen.com>
11820 PR middle-end/26977
11821 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11822 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11824 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11826 PR tree-optimization/26939
11827 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11829 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11831 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11832 at_stmt. Convert the type of operands before calling
11833 build_polynomial_chrec.
11834 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11835 add_to_evolution_1.
11836 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11837 (instantiate_parameters_1): Convert the type of operands before calling
11838 build_polynomial_chrec.
11839 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11840 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11841 reset_evolution_in_loop): Insert asserts to check the types of the
11843 (chrec_type): Moved...
11844 (eq_evolutions_p): Use operand_equal_p.
11845 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11846 the types of the operands.
11847 (chrec_type): ...here.
11848 * tree-data-ref.c (create_data_ref): Convert the operands before
11849 calling chrec_replace_initial_condition.
11850 (same_access_functions, analyze_subscript_affine_affine,
11851 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11852 (compute_subscript_distance, analyze_ziv_subscript,
11853 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11854 analyze_miv_subscript): Convert the operands before calling
11855 chrec_fold_minus or chrec_fold_plus.
11857 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11859 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11860 the dependence_relations vector.
11861 (compute_data_dependences_for_loop): Adjust call to
11862 compute_all_dependences.
11864 2006-04-01 Roger Sayle <roger@eyesopen.com>
11865 Richard Henderson <rth@redhat.com>
11867 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11868 gimple_boolify on the condition before calling gimplify_expr.
11870 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11872 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11873 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11874 the frame size. Update to use the new macros.
11875 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11876 * config/xtensa/ieee754-df.S: Likewise.
11878 2006-03-31 Richard Henderson <rth@redhat.com>
11880 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11881 (make_edges): ... here. Control fallthru creation with a local
11882 variable. Do not play with fake edges.
11883 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11884 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11887 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11889 * dwarf2.h (DW64_CIE_ID): Define.
11890 * dwarf2out.c (DWARF_CIE_ID): Define.
11891 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11892 length header. Use DWARF_CIE_ID.
11893 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11894 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11896 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11898 * config/sh/linux-atomic.asm: New file.
11899 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11901 2006-03-31 DJ Delorie <dj@redhat.com>
11903 * config/m32c/cond.md: Set condition flags properly throughout.
11904 * config/m32c/minmax.md: Likewise.
11905 * config/m32c/prologue.md: Likewise.
11906 * config/m32c/bitops.md: Likewise.
11907 * config/m32c/muldiv.md: Likewise.
11908 * config/m32c/mov.md: Likewise.
11909 * config/m32c/addsub.md: Likewise.
11910 * config/m32c/m32c.md: Likewise.
11911 * config/m32c/jump.md: Likewise.
11912 * config/m32c/shift.md: Likewise.
11914 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11915 conditionally output the pattern for this.
11916 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11917 (m32c_compare_redundant): New.
11918 (m32c_output_compare): New.
11919 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11921 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11922 dest, not src. Allow other 4-byte modes.
11924 2006-03-30 Denis Chertykov <denisc@overta.ru>
11926 * doc/md.texi: Refer to avr/constraints.md instead of
11929 2006-03-30 Roger Sayle <roger@eyesopen.com>
11931 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11932 signed vs. unsigned comparison failures on some hosts.
11934 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11937 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11938 change to FLOAT_REGS.
11940 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11941 (rs6000_override_options): Use it.
11942 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11943 only for -mabi=spe/no-spe and -mabi=altivec.
11945 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11947 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11950 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11952 * Makefile.in: Rename docdir to gcc_docdir.
11954 2006-03-30 Roger Sayle <roger@eyesopen.com>
11957 * expr.c (emit_group_store): Optimize group stores into a pseudo
11958 register by using a paradoxical subreg to initialize the destination
11959 if the first or last member of the group specifies a "low part".
11961 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11964 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11965 * target.h (struct gcc_target.speculate_insn): Change type of the
11966 second parameter to 'int'.
11967 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11968 the second operand of the DEPS_LIST.
11969 (copy_DEPS_LIST_list): Update reference to the second operand of the
11971 * rtl.h (alloc_DEPS_LIST): Update signature.
11972 * sched-int.h (ds_t): Change typedef to 'int'.
11973 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11975 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11977 * haifa-sched.c (try_ready): Change condition to restore
11978 non-speculative pattern of the instruction.
11979 (process_insn_depend_be_in_spec): Code to keep probability of the
11980 speculative dependence non-decreasing.
11982 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11984 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11985 (single_move_for_movmem): ... this. Also change all uses.
11986 (bfin_expand_strmov): Renamed to...
11987 (bfin_expand_movmem): ... this. Also change all uses.
11988 * config/bfin/bfin.md (movstrsi): Renamed to...
11989 (movstrsi): ...this.
11991 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11993 PR tree-optimization/26830
11995 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11996 (copy_prop_visit_stmt): Remove write-only variable ann.
11997 (init_copy_prop): Check variable loop depth here. Do not simulate
11998 memory-tag and virtual operand PHIs except for store copy prop.
12000 2006-03-30 Richard Guenther <rguenther@suse.de>
12002 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
12003 variants with double arguments.
12005 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12007 * genpreds.c (write_tm_constrs_h): Delete variable p.
12008 * genconditions.c (write_header): Add tm-constrs.h to included
12010 * genpeep.c (main): Add toplev.h to included headers.
12011 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
12012 (build/genpeep.o): Add toplev.h dependency.
12013 * config/rs6000/constraints.md: Add "W" constraint.
12015 2006-03-29 Roger Sayle <roger@eyesopen.com>
12017 * stor-layout.c (mode_for_size_tree): Remove restiction on type
12018 sizes by correctly testing whether the size fits a host integer.
12019 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
12020 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
12021 SImode range for the default sizetype and bitsizetype.
12023 2006-03-29 Roger Sayle <roger@eyesopen.com>
12025 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
12026 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
12027 quickly if the argument is already of the correct type.
12028 Call fold_build1 instead of build1. Tidy up blank lines.
12030 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12032 * genemit.c (main): Add tm-constrs.h to included headers.
12033 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
12034 * genpeep.c (main): Add tm-constrs.h to included headers.
12035 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
12036 (write_tm_constrs_h): this and write complete file.
12037 (write_tm_preds_h): Do not emit satisfies_constraint fns.
12038 (write_insn_preds_c): Add tm-constrs.h to included headers.
12039 (gen_constrs): New variable.
12040 (parse_option): Parse "-c".
12041 (main): Invoke write_tm_constrs_h.
12042 * genrecog.c (write_header): Add tm-constrs.h to included headers.
12043 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
12044 (object_out_file): Add tm-constrs.h dependency.
12045 (insn-emit.o): Same.
12046 (insn-output.o): Same.
12047 (insn-peep.o): Same.
12048 (insn-preds.o): Same.
12049 (insn-recog.o): Same.
12050 (tm-constsr.h): New target.
12051 (s-constrs-h): New target.
12053 * config/rs6000/constraints.md: New file.
12054 * config/rs6000/rs6000.c: Include tm-constrs.h.
12055 (num_insn_constant_wide): Convert to satisfies_constraint.
12056 (rs6000_rtx_costs): Convert to satisfies_constraint.
12057 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
12058 (CONST_OK_FOR_LETTER_P): Delete.
12059 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12060 (EXTRA_CONSTRAINT): Delete.
12061 (EXTRA_MEMORY_CONSTRAINT): Delete.
12062 (EXTRA_ADDRESS_CONSTRAINT): Delete.
12063 * config/rs6000/predicates.md: Convert to satisfies_constraint.
12064 * config/rs6000/rs6000.md: Include constraints.md. Convert to
12065 satisfies_constraint.
12067 * config/i386/i386.c: Include tm-constrs.h.
12069 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12071 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
12072 * tree-data-ref.c (find_data_references_in_loop,
12073 compute_data_dependences_for_loop): Use pointers to VEC.
12074 (analyze_all_data_dependences): Adjust calls.
12075 * tree-data-ref.h (find_data_references_in_loop,
12076 compute_data_dependences_for_loop): Adjust declarations.
12077 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
12078 compute_data_dependences_for_loop.
12080 2006-03-29 Paul Brook <paul@codesourcery.com>
12082 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
12083 (movdf_vfp): Ditto.
12085 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12087 PR tree-optimization/26859
12088 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
12090 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
12091 for the step after fold_convert.
12093 2006-03-29 Paul Brook <paul@codesourcery.com>
12095 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
12096 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
12098 2006-03-29 Paul Brook <paul@codesourcery.com>
12100 PR middle-end/23623
12101 * targhooks.c (default_narrow_bitfield): New fuction.
12102 * targhooks.h (default_narrow_bitfield): add prototype.
12103 * target.h (gcc_target): Add narrow_volatile_bitfield.
12104 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12105 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
12106 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
12107 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12109 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
12111 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
12113 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
12114 (NR_C_MODES): Add TDmode, DDmode and SDmode.
12115 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
12116 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
12117 (s390_function_arg_float): Allow SDmode and DDmode values to be
12118 passed in floating point registers.
12119 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
12120 check with SCALAR_FLOAT_MODE_P.
12121 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
12123 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
12125 PR tree-optimization/25985
12126 * tree-ssa-loop-niter.c (number_of_iterations_le,
12127 number_of_iterations_ne): Make comments more precise.
12128 (number_of_iterations_cond): Add only_exit argument. Use the
12129 fact that signed variables do not overflow only when only_exit
12131 (loop_only_exit_p): New.
12132 (number_of_iterations_exit): Pass result of loop_only_exit_p to
12133 number_of_iterations_cond.
12135 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
12137 PR tree-optimization/26643
12138 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
12141 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
12143 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
12144 (divsi3_i4_int): Likewise.
12146 2006-03-28 Roger Sayle <roger@eyesopen.com>
12148 * expr.c (emit_group_store): Only create a new pseudo reg if the
12149 quantity it needs to hold isn't already a suitable pseudo.
12151 2006-03-28 Jeff Law <law@redhat.com>
12153 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
12154 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
12156 2006-03-28 Roger Sayle <roger@eyesopen.com>
12158 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
12159 the equivalent ~X & Y, and the symmetry related transformations.
12160 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
12161 ~X & Y, and symmetry related transforms.
12163 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12165 Revert my 2006-03-27 patches.
12167 2006-03-28 Roger Sayle <roger@eyesopen.com>
12169 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
12170 ~(T1)X, when T1 and T2 are integer types of the same precision
12171 and (T2)X isn't an extension.
12173 2006-03-28 Jeff Law <law@redhat.com>
12175 PR tree-optimization/26796
12176 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
12177 need EH edge cleanups rather than purging them immediately.
12178 (eliminate_degenerate_phis): Handle queued EH cleanups.
12180 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
12182 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
12185 2006-03-27 Roger Sayle <roger@eyesopen.com>
12187 PR middle-end/22524
12188 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
12189 cast BIT_NOT_EXPR operand to the correct type.
12191 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
12193 * tree-loop-linear.c: Don't include varray.h.
12194 (gather_interchange_stats, try_interchange_loops,
12195 linear_transform_loops): Use VEC instead of VARRAY.
12196 * lambda-mat.c: Don't include varray.h.
12197 * tree-chrec.c: Same.
12198 * lambda-trans.c: Same.
12199 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
12200 VEC instead of VARRAY.
12201 * tree-vectorizer.h: Idem.
12202 * tree-data-ref.c (dump_data_references,
12203 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
12204 initialize_data_dependence_relation, finalize_ddr_dependent,
12205 compute_all_dependences, find_data_references_in_loop,
12206 compute_data_dependences_for_loop, analyze_all_data_dependences,
12207 free_dependence_relation, free_dependence_relations,
12208 free_data_refs): Idem.
12209 * tree-data-ref.h (data_reference_p, subscript_p): New.
12210 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
12211 VEC instead of VARRAY.
12212 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
12213 (find_data_references_in_loop, compute_data_dependences_for_loop,
12214 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
12215 dump_data_dependence_relations, free_dependence_relations,
12216 free_data_refs): Adjust declaration.
12217 (lambda_transform_legal_p): Move declaration here...
12218 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
12219 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
12220 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
12221 vect_analyze_data_refs): Use VEC instead of VARRAY.
12222 * lambda.h (lambda_transform_legal_p): ...from here.
12223 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
12224 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
12225 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
12226 tree-chrec.o): Don't depend on VARRAY_H.
12228 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12230 * rtl.def (Copyright): Update date.
12231 (DEPS_LIST): Change type of the second operand to 'int'.
12232 * target.h (Copyright): Update date.
12233 (struct gcc_target.speculate_insn): Change type of the second parameter
12235 * lists.c (Copyright): Update date.
12236 (alloc_DEPS_LIST): Change signature. Update reference to the second
12237 operand of the DEPS_LIST.
12238 (copy_DEPS_LIST_list): Update reference to the second operand of the
12240 * rtl.h (Copyright): Update date.
12241 (alloc_DEPS_LIST): Update signature.
12242 * sched-int.h (Copyright): Update date.
12243 (ds_t): Change typedef to 'int'.
12244 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12246 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12248 * haifa-sched.c (Copyright): Update date.
12249 (try_ready): Change condition to restore non-speculative pattern
12250 of the instruction.
12251 (process_insn_depend_be_in_spec): Code to keep probability of the
12252 speculative dependence non-decreasing.
12254 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
12256 * regrename.c (replace_oldest_value_addr): Initialize a variable to
12257 shut up the compiler.
12259 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
12261 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
12262 to use lib prefix for target.
12263 ($(T)libic_invalidate_array_4-200.a): Likewise.
12264 ($(T)libic_invalidate_array_4a.a): Likewise.
12266 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
12267 J"orn Rennecke <joern.rennecke@st.com>
12269 * superh.opt: New file.
12270 * sh.c (boardtype, osruntime): Remove.
12271 * superh.h (SUBTARGET_OPTIONS): Remove.
12272 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
12274 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
12275 arguments with ^ and/or [].
12277 * config.gcc (sh-*-*): Add quoting to account for quirk of
12279 Replace == with = in enable_incomplete_targets test.
12281 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
12282 with MASK_LITTLE_ENDIAN.
12284 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
12285 * config/sh/sh.opt: Added to some comments.
12286 * config/sh/superh.h: Removed some chaff.
12288 * config/sh/sh.opt: Add m4-[1234]00* options.
12289 * config/sh/sh.c (sh_handle_option): Likewise.
12290 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
12291 (ic_invalidate_array_4-100.o): New rule.
12292 ($(T)libic_invalidate_array_4-100.a): Likewise.
12293 (ic_invalidate_array_4-200.o): Likewise.
12294 ($(T)libic_invalidate_array_4-200.a): Likewise.
12295 (ic_invalidate_array_4a.o): Likewise.
12296 ($(T)libic_invalidate_array_4a.a): Likewise.
12297 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
12298 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
12300 * config/sh/crt1.asm: Merged in profiling code.
12301 * config/sh/superh.h (STARTFILE_SPEC): Override.
12302 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
12303 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
12304 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
12306 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
12307 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
12308 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
12310 * sh.opt (mpretend-cmove): New option.
12311 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
12312 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
12313 (movsicc): Add TARGET_PRETEND_CMOVE code.
12315 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
12317 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
12318 s390_class_max_nregs): New function prototypes.
12319 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
12320 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
12321 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
12322 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
12324 2006-03-26 Geoffrey Keating <geoffk@apple.com>
12326 * dwarf2out.c (add_location_or_const_value_attribute): Call
12327 tree_add_const_value_attribute if nothing else works.
12328 (reference_to_unused): New.
12329 (rtl_for_decl_init): Use reference_to_unused to decide whether
12330 to output an initializer.
12332 2006-03-27 Alan Modra <amodra@bigpond.net.au>
12335 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
12336 peephole removing spe frob_di_df_2.
12338 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
12340 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
12341 (subscript_dependence_tester_1): Declared.
12342 (print_dir_vectors, print_dist_vectors): New.
12343 (debug_data_dependence_relation): New.
12344 (dump_data_dependence_relation): Print more details.
12345 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
12346 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
12347 (save_dist_v, save_dir_v, add_outer_distances,
12348 build_classic_dist_vector_1): New.
12349 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
12350 Don't test for lambda_vector_lexico_pos.
12351 (same_access_functions, add_multivariate_self_dist,
12352 add_other_self_distances, dir_from_dist): New.
12353 (build_classic_dir_vector): Replace implementation almost identical to
12354 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
12356 (subscript_dependence_tester_1): New.
12357 (subscript_dependence_tester): Handle the lexicographically negative
12358 distance vectors by recomputing the dependence relation.
12359 (compute_affine_dependence): Remove parameter loop_nest_depth.
12360 (compute_self_dependence): Don't call compute_subscript_distance.
12361 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
12362 Add a parameter for the loop_nest.
12363 (find_loop_nest_1, find_loop_nest): New.
12364 (compute_data_dependences_for_loop): Compute the loop nest, and give
12365 up if the nest is not well formed.
12366 * tree-data-ref.h (loop_p): New.
12367 (struct data_dependence_relation): Replace size_vect field with
12368 loop_nest, a vec of loops.
12369 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
12370 (DDR_LOOP_NEST): New.
12371 (print_dir_vectors, print_dist_vectors,
12372 debug_data_dependence_relation): Declared.
12373 (index_in_loop_nest): New.
12374 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
12375 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
12378 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
12380 * simplify-rtx.c (simplify_relational_operation): Call
12381 simplify_relational_operation_1 even if mode is VOIDmode.
12383 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
12385 PR tree-optimization/26804
12386 * tree.h (DECL_CALL_CLOBBERED): New macro.
12387 (tree_decl_common): Add call_clobbered_flag.
12388 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
12389 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
12390 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
12391 (mark_non_addressable): Ditto.
12392 * tree-ssa.c (verify_call_clobbered): New function.
12393 (verify_alias_info): Use it.
12394 * tree-pass.h (pass_reset_cc_flags): New prototype.
12395 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
12396 (reset_cc_flags): New function.
12397 * passes.c (init_optimization_passes): Call reset_cc_flags after
12398 initializing referenced_vars.
12400 2006-03-25 Uros Bizjak <uros@kss-loka.si>
12401 Roger Sayle <roger@eyesopen.com>
12403 PR middle-end/26717
12404 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
12405 to 1.0 for non-real operands. Implement A / A optimization for
12408 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
12410 * config/i386/i386.c (size_cost): Correct the comment for
12411 cost of storing fp registers.
12412 (i386_cost): Likewise.
12413 (i486_cost): Likewise.
12414 (pentium_cost): Likewise.
12415 (pentiumpro_cost): Likewise.
12416 (k6_cost): Likewise.
12417 (athlon_cost): Likewise.
12418 (k8_cost): Likewise.
12419 (pentium4_cost): Likewise.
12420 (nocona_cost): Likewise.
12421 (generic64_cost): Likewise.
12422 (generic32_cost): Likewise.
12424 2006-03-24 Denis Chertykov <denisc@overta.ru>
12426 * config/avr/avr-protos.h (extra_constraint): Delete.
12427 (extra_constraint_Q): New declaration.
12428 * config/avr/constraints.md: New file.
12429 * config/avr/avr.md: Include it.
12430 (REG_X, REG_Y, REG_Z, REG_W): New constants.
12431 (TMP_REGNO, ZERO_REGNO): Likewise.
12432 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
12433 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
12434 (extra_constraint): Delete.
12435 (extra_constraint_Q): Test for memory constraint 'Q'.
12436 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
12437 (REG_CLASS_FROM_LETTER): Delete.
12438 (CONST_OK_FOR_LETTER_P): Delete.
12439 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12440 (EXTRA_CONSTRAINT): Delete.
12441 (TMP_REGNO): Delete.
12442 (ZERO_REGNO): Delete.
12444 2006-03-24 Jeff Law <law@redhat.com>
12446 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
12447 directly. Call mark_new_vars_to_rename slightly earlier.
12449 2006-03-24 Geoffrey Keating <geoffk@apple.com>
12451 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
12452 (is_cxx): Likewise.
12453 (gen_compile_unit_die): Use new language types for Objective-C and
12455 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
12456 DW_LANG_C_plus_plus.
12459 * config/t-darwin (crt3.o): Work around bug 26840.
12460 * config/darwin-crt3.c: Rewrite.
12461 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
12463 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
12465 * doc/invoke.texi: Document -femit-class-debug-always
12466 * common.opt: Add -femit-class-debug-always.
12468 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
12470 * config/s390/s390.c (s390_decompose_address): Allow SImode for
12471 index and base register.
12472 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
12473 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
12474 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
12475 REGNO_OK_FOR_INDEX_P.
12476 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
12478 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
12479 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
12480 REG_OK_FOR_BASE_P): Definitions removed.
12482 2006-03-24 Jakub Jelinek <jakub@redhat.com>
12484 PR middle-end/26611
12485 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
12486 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
12487 set yet or weren't marked as local yet.
12489 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
12491 * regrename.c (scan_rtx_address): Initialize a variable to shut up
12494 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
12496 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
12497 (rs6000_legitimate_small_data_p): Delete.
12498 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
12499 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
12500 and make static. Add forward declaration. Update uses.
12501 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
12502 of offsettable_memref_p.
12503 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
12504 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
12506 2006-03-24 Jeff Law <law@redhat.com>
12508 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
12509 around bug in immediate-use iterator.
12511 2006-03-24 Alan Modra <amodra@bigpond.net.au>
12514 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
12515 or __LITTLE_ENDIAN__.
12517 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
12519 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
12520 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
12521 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
12522 * config/sh/sh.opt (mdiv=): Amend description.
12523 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
12524 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
12525 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
12526 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
12527 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
12528 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
12529 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
12530 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
12531 TARGET_DIVIDE_CALL_FP.
12533 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12535 * haifa-sched.c (choose_ready): Fix type of the local variable.
12536 Move local variables. Add comment.
12537 (check_reg_live): Change signature. Make callable from debugger.
12538 * sched-int.h (check_reg_live): Update signature.
12539 * sched-ebb.c (check_reg_live): Update parameters.
12540 * sched-rgn.c (check_reg_live): Ditto.
12541 (region_head_or_leaf_p): Check pointer before dereferencing.
12542 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
12543 before reload on optimization levels below 1.
12545 2006-03-23 Richard Henderson <rth@redhat.com>
12547 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
12551 * config/alpha/predicates.md (local_symbolic_operand): Reject
12554 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12557 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12558 expressions which have overflowed constants.
12560 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12562 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12564 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12566 * cfgloopmanip.c (create_loop_notes): Removed.
12567 * final.c (final_scan_insn): Do not handle loop notes.
12568 * jump.c (squeeze_notes): Ditto.
12569 * cfglayout.c (skip_insns_after_block,
12570 duplicate_insn_chain): Ditto.
12571 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12573 * cfgloop.h (create_loop_notes): Declaration removed.
12575 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12577 * varasm.c (output_constant_pool): Restore fnname and fndecl
12579 (assemble_start_function): Adjust call accordingly.
12580 (assemble_end_function): Likewise.
12582 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12585 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12588 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12590 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12593 * system.h (ICE_EXIT_CODE): New macro.
12594 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12595 (diagnostic_action_after_output): Likewise.
12596 * gcc.c (fatal_ice): New function.
12597 (execute): Use it instead of fatal.
12598 (fancy_abort): Likewise.
12599 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12601 2006-03-22 Jeff Law <law@redhat.com>
12603 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12604 iv_analyze_result returning false.
12606 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12608 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12610 2006-03-22 Richard Henderson <rth@redhat.com>
12612 PR middle-end/26084
12613 * except.c (duplicate_eh_regions_0): New.
12614 (duplicate_eh_region_1): Duplicate the children of the node as
12615 well as the node itself. Link them up properly.
12616 (duplicate_eh_region_2): Merge into ...
12617 (duplicate_eh_regions): ... here. Take copy_region argument, and
12618 copy only a sub-tree if asked. Simplify copying and fixup.
12619 (eh_region_outer_p): New.
12620 * except.h (duplicate_eh_regions): Update decl.
12621 (eh_region_outer_p): Declare.
12622 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12623 (lower_omp_master): Likewise.
12624 (lower_omp_ordered): Likewise.
12625 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12626 (move_stmt_r): Use it to remap labels. Handle recursion vs
12627 remap_decls_p properly.
12628 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12629 (find_outermost_region_in_block): New.
12630 (new_label_mapper): New.
12631 (move_sese_region_to_fn): Copy eh information to the new function
12633 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12635 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12638 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12640 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12641 into shared libraries.
12643 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12645 * doc/md.texi: Refer to i386/constraints.md instead of
12646 i386/predicates.md.
12647 * config/i386/constraints.md: New file, extracted from...
12648 * config/i386/predicates.md: ...here.
12649 * config/i386/i386.md: Include constraints.md.
12651 2006-03-21 Jason Merrill <jason@redhat.com>
12653 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12655 PR middle-end/20297
12656 * expr.c (init_block_move_fn): Force default visibility.
12657 (init_block_clear_fn): Likewise.
12658 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12659 * targhooks.c (default_external_stack_protect_fail): Likewise.
12661 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12663 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12664 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12665 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12666 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12667 (loadgp): Use mips_current_loadgp_style.
12668 (loadgp_noshared): New pattern.
12669 (sibcall_internal): Use MIPS_CALL.
12670 (sibcall_value_internal): Likewise.
12671 (sibcall_value_multiple_internal): Likewise.
12672 (call_internal): Likewise.
12673 (call_value_internal): Likewise.
12674 (call_value_multiple_internal): Likewise.
12675 (call_split): Use MIPS_CALL and add an 'S' constraint.
12676 (call_value_split): Likewise.
12677 (call_value_multiple_split): Likewise.
12678 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12679 (-mshared): New option.
12680 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12681 (mips_current_loadgp_style): Declare.
12682 * config/mips/mips.c (mips_classify_symbol): Avoid using
12683 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12684 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12685 TARGET_ABSOLUTE_ABICALLS.
12686 (override_options): Adjust comments. Improve the warning that is
12687 issued when -mabicalls and -G are used together.
12688 (mips_file_start): Remove comment.
12689 (mips_current_loadgp_style): New function.
12690 (mips_gnu_local_gp): New variable.
12691 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12693 (mips_output_function_prologue): Use mips_current_laodgp_style.
12694 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12695 the cprestore instruction.
12696 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12697 live for TARGET_ABSOLUTE_ABICALLS.
12698 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12699 (ASM_SPEC): Pass down -mshared and -mno-shared.
12700 (MIPS_CALL): New macro.
12701 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12703 * doc/invoke.texi (-mabicalls): Update documentation.
12704 (-mshared): Document.
12706 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12708 * config/ia64/unwind-hpux.c: New file.
12709 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12711 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12714 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12716 2006-03-21 Jeff Law <law@redhat.com>
12718 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12719 type conversions of a VR_VARYING source to a wider type.
12721 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12723 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12724 tm_file on Solaris 10 and later.
12725 (sparc64-*-solaris2*): Likewise.
12726 (sparc-*-solaris2*): Likewise.
12727 * config/sol26.h: Rename to config/sol2-6.h.
12728 * config/sol2-10.h: New file.
12730 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12733 * tree-ssa-pre.c (create_component_ref_by_pieces):
12736 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12739 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12740 return it immediately.
12742 2006-03-21 Michael Matz <matz@suse.de>
12744 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12746 (remove_arc, add_arc): Update num_out_arcs member.
12747 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12749 (cache_presence): New function.
12750 (compare_states_for_equiv): New function.
12751 (state_is_differed): Don't take number of outargs, adjust callers.
12752 Use new invariant for speeding up.
12753 (init_equiv_class): Create initial classes based on sorted
12755 (partition_equiv_class): Don't track out_arcs_num.
12756 (evaluate_equiv_classes): Call cache_presence on all states and
12759 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12761 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12762 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12763 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12764 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12766 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12767 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12768 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12769 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12770 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12772 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12773 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12774 (REGNO_REG_CLASS): ARGP is in PREGS.
12775 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12777 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12778 to deal with those addresses.
12779 * addresses.h: New file.
12780 * caller-save.c: Include "addresses.h".
12781 (init_caller_save): Use new base_reg_class function.
12782 * rtl-factoring.c: Include "addresses.h".
12783 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12784 * recog.c: Include "addresses.h".
12785 (preprocess_constraints): Use new base_reg_class function.
12786 * regrename.c: Include "addresses.h".
12787 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12788 functions. Keep track of a new var INDEX_CODE to compute valid
12790 (replace_oldest_value_addr): Likewise.
12791 (replace_oldest_value_mem): Use base_reg_class.
12792 * reload.c: Include "addresses.h".
12793 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12794 (find_reloads): Use new base_reg_class function.
12795 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12796 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12797 all callers and prototype changed.
12798 * reload1.c: Include "addresses.h".
12799 (maybe_fix_stack_asms): Use base_reg_class.
12800 * regclass.c: Include "addresses.h".
12801 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12802 (init_reg_autoinc): Use new base_reg_class function.
12803 (record_reg_classes): Likewise.
12804 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12805 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12806 Use new args to compute necessary class.
12808 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12809 regrename.o, rtl-factoring.o): Update dependencies.
12810 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12811 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12812 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12813 REG_OK_FOR_INDEX_P): Delete documentation.
12815 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12817 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12818 from V7 to V9 for Solaris 7 and above.
12820 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12822 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12823 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12824 argument pointers may not alias any other storage.
12825 * common.opt: Define option -fargument-noalias-anything.
12826 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12827 alias semantics is specified by flag_argument_noalias > 2.
12829 2006-03-20 Jeff Law <law@redhat.com>
12831 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12832 (pass_phi_only_cprop): Declare.
12833 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12834 with phi_only_cprop
12835 * tree-ssa-dom.c (degenerate_phi_result): New function.
12836 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12837 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12838 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12839 (eliminate_degenerate_phis): Likewise.
12840 (pass_phi_only_cprop): New pass descriptor.
12841 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12842 support code. Callers updated.
12843 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12844 (store_copy_prop): Likewise.
12845 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12847 2006-03-20 Jason Merrill <jason@redhat.com>
12850 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12851 (push_visibility, pop_visibility): Likewise.
12852 * c-pragma.h: Declare them.
12854 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12856 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12858 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12859 parameter and use get_ebb_head_tail.
12860 (sh_md_init_global): Adjust uses of find_regmode_weight.
12862 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12864 * function.h (struct function) <x_tail_recursion_reentry>:
12865 Rename to x_stack_check_probe_note.
12866 (tail_recursion_reentry): Rename to stack_check_probe_note.
12867 * function.c: Replace tail_recursion_reentry with
12868 stack_check_probe_note everywhere.
12869 (expand_function_start): Only emit a note for
12870 stack_check_probe_note with -fstack-protect.
12871 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12873 * emit-rtl.c (remove_unnecessary_notes): Remove.
12874 (pass_remove_unnecessary_notes): Remove.
12875 * rtl.h (remove_unnecessary_notes): Remove prototype.
12876 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12877 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12878 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12880 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12883 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12884 (valid_in_set): Handle ARRAY_REF.
12885 Change "if min_variant or VH" to asserts.
12886 (create_component_ref_by_pieces): Handle ARRAY_REF.
12887 (create_expression_by_pieces): Likewise.
12888 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12890 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12892 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12893 is operand of switch, not str[0].
12895 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12897 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12898 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12900 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12902 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12903 end of insn_extra_address_constraint declaration.
12905 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12907 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12908 (no-sum-in-toc): Same.
12909 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12911 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12912 NO_FP_IN_TOC for -fPIC instead of mask.
12914 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12915 (BOOT_LDFLAGS): Delete.
12917 * config/rs6000/t-aix52: Same.
12919 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12920 (stmsi[345678]_power): New.
12922 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12924 * config/ia64/ia64.opt: Add empty line to end of file.
12926 2006-03-17 Richard Guenther <rguenther@suse.de>
12928 PR middle-end/26721
12929 * builtins.c (get_pointer_alignment): For component style references
12930 adjust alignment to the component type alignment. Make sure
12931 to adjust alignment for component access of constants.
12933 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12935 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12936 unconditional jump.
12938 2006-03-17 Paul Brook <paul@codesourcery.com>
12940 * doc/install.texi: Docuemnt --with-mode.
12941 * config.gcc: Add --with-mode for arm*-*-*.
12942 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12944 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12946 * sh.c (max_labelno_before_reorg): New variable.
12947 (sh_reorg): Initialize it.
12948 (find_barrier): Check max_labelno_before_reorg before using
12949 label_to_alignment. Take length of explicit alignment insns
12950 into account. When seeing a UNSPECV_CONST_END, return it.
12952 * sh.c (fixup_mova): Set mode of affected label to QImode.
12953 (untangle_mova): New function.
12954 (find_barrier): Use it. Check mode of label before decrementing
12956 (sh_reorg): Likewise.
12957 Set mode of all insns back to VOIDmode.
12959 * sh.c (MOVA_LABELREF): New macro.
12960 (mova_p, fixup_mova, sh_reorg): Use it.
12961 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12962 ADDR_DIFF_VEC matches mova.
12964 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12966 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12967 with ATTRIBUTE_UNUSED.
12969 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12971 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12972 pointer, instead of assuming it is possible to derive the
12973 correct args size from a call insn.
12975 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12977 * rtl.h (CONST_INT_P): Define.
12978 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12979 instead of GET_CODE(x) == CONST_INT.
12980 (vax_rtx_costs): Likewise.
12981 (vax_output_int_move): Likewise.
12982 (vax_output_int_add): Likewise.
12983 (legitimate_constant_address_p): Likewise.
12984 (index_term_p): Likewise.
12985 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12986 * config/vax/vax.md (and<mode>3): Likewise.
12987 (ashrsi3): Likewise.
12989 (movstricthi): Likewise.
12990 (movstrictqi): Likewise.
12991 (rotrsi3): Likewise.
12992 (five unnamed insns): Likewise.
12994 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12996 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12997 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12998 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12999 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
13000 Pass to ASM_OUTPUT_DWARF_OFFSET.
13001 * dwarf2out.c (debug_frame_section): New.
13002 (output_call_frame_info): Use debug_frame_section. Pass it to
13003 dw2_asm_output_offset.
13004 (output_die): Pass appropriate section to dw2_asm_output_offset.
13005 (output_compilation_unit_header): Likewise.
13006 (output_pubnames): Likewise.
13007 (output_aranges): Likewise.
13008 (enum dw_val_class): Break dw_val_class_lbl_offset into
13009 dw_val_class_lineptr and dw_val_class_macptr.
13010 (add_AT_lbl_offset): Delete.
13011 (add_AT_lineptr): New.
13012 (add_AT_macptr): New.
13013 (AT_lbl): Expect a lineptr or macptr.
13014 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
13015 (attr_checksum): Likewise.
13016 (same_dw_val_p): Likewise.
13017 (size_of_die): Likewise.
13018 (value_format): Likewise.
13019 (output_die): Likewise.
13020 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
13022 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13023 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
13024 * config/darwin-protos.h (darwin_file_start): New.
13025 (darwin_asm_output_dwarf_offset): New.
13026 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13027 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
13029 * config/darwin.c (darwin_emit_unwind_label): Don't output label
13030 if not EH section; simplify.
13031 (darwin_file_start): New.
13032 (darwin_asm_output_dwarf_offset): New.
13033 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
13035 (DEBUG_INFO_SECTION): Likewise.
13036 (DEBUG_ABBREV_SECTION): Likewise.
13037 (DEBUG_ARANGES_SECTION): Likewise.
13038 (DEBUG_MACINFO_SECTION): Likewise.
13039 (DEBUG_LINE_SECTION): Likewise.
13040 (DEBUG_LOC_SECTION): Likewise.
13041 (DEBUG_PUBNAMES_SECTION): Likewise.
13042 (DEBUG_STR_SECTION): Likewise.
13043 (DEBUG_RANGES_SECTION): Likewise.
13044 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
13045 (ASM_OUTPUT_DWARF_OFFSET): New.
13047 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
13049 * config.gcc (tm_defines): Always add to previous value rather
13052 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13054 * config/mips/predicates.md (splittable_const_int_operand): New,
13055 split from move_operand.
13056 (splittable_symbolic_operand): New.
13057 (move_operand): Add commentary. Use splittable_const_int_operand.
13058 Inline mips_atomic_symbolic_constant_p.
13059 * config/mips/mips.md: Add combine splitters for handling moves
13060 of splittable_const_int_operands and splittable_symbolic_operands.
13061 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
13062 (mips_split_symbol): Declare.
13063 (mips_move_integer): Declare.
13064 * config/mips/mips.c (mips_split_p): Make global.
13065 (TARGET_MIN_ANCHOR_OFFSET): Override default.
13066 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13067 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13068 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
13069 (mips_offset_within_object_p): Handle block symbols.
13070 (mips_atomic_symbolic_constant_p): Delete.
13071 (mips_cannot_force_const_mem): Return false for constants that
13072 mips_legitimize_move can handle.
13073 (mips_use_blocks_for_constant_p): New function.
13074 (mips_split_symbol): Make global.
13075 (mips_move_integer): Likewise. Add a temporary register argument.
13076 (mips_legitimize_const_move): Use splittable_const_int_operand and
13077 splittable_symbolic_operand.
13078 (mips_use_anchors_for_symbol_p): New function.
13079 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
13080 (mips_split_p): Declare.
13082 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13084 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
13085 (mips*-*-linux*): Likewise.
13087 2006-03-16 Roger Sayle <roger@eyesopen.com>
13088 Daniel Speyer <dspeyer@wam.umd.edu>
13090 PR middle-end/18259
13091 * tree-dump.c (dump_real): New function.
13092 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
13093 * Makefile.in (REAL_H): New macro for dependencies on real.h.
13094 (tree-dump.o): Add $(REAL_H) to the dependencies.
13096 2006-03-16 Roger Sayle <roger@eyesopen.com>
13098 PR middle-end/21781
13099 * real.c (real_from_string): If the mantissa is zero, don't bother
13100 parsing the exponent as the result should always be zero.
13102 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
13104 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
13106 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13108 * config/ia64/ia64.c (stops_p): Added explicit initialization.
13109 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
13110 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
13111 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
13112 ia64_sched_finish_global): New static functions to implement
13113 hooks from gcc_target.sched.
13114 (spec_check_no, max_uid, pending_data_specs): New static variables.
13115 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
13116 ia64_spec_check_src_p): New static functions.
13117 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
13118 (TARGET_SCHED_ADJUST_COST): Removed.
13119 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
13120 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
13121 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
13122 TARGET_SCHED_GEN_CHECK,
13123 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13124 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
13125 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
13126 Fixed to handle speculation checks.
13127 (rtx_needs_barrier): Fixed to handle speculative loads and
13129 (ia64_variable_issue): Added code to count speculative loads and their
13131 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
13133 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
13135 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
13137 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
13138 (ia64_reorg): Reset stops_p to NULL after it is freed.
13139 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
13140 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
13141 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
13143 (data_speculative, control_speculative, check_load): New attributes.
13144 (mov<mode>_advanced, mov<mode>_speculative,
13145 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
13146 zero_extend<mode>di2_speculative,
13147 zero_extend<mode>di2_speculative_advanced): New patterns for
13148 data and control speculative loads.
13149 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
13151 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
13152 New pattern for data and control speculation checks.
13153 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
13154 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
13155 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
13156 Auxiliary definitions for the patterns.
13157 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
13158 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
13160 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
13162 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
13163 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
13164 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
13165 New resource constraints.
13166 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
13168 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
13169 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
13170 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
13171 msched-in-control-spec, msched-ldc, msched-control-ldc,
13172 msched-spec-verbose, msched-prefer-non-data-spec-insns,
13173 msched-prefer-non-control-spec-insns,
13174 msched-count-spec-in-critical-path): New flags to tune speculative
13176 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
13177 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
13178 msched-in-control-spec, msched-ldc, msched-control-ldc,
13179 msched-spec-verbose, msched-prefer-non-data-spec-insns,
13180 msched-prefer-non-control-spec-insns,
13181 msched-count-spec-in-critical-path): Document new flags.
13183 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13185 * target.h (struct spec_info_def): New opaque declaration.
13186 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
13187 speculate_insn, needs_block_p, gen_check,
13188 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
13189 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
13190 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
13191 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
13192 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13193 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
13195 (TARGET_SCHED): Use new macros.
13196 * rtl.h (copy_DEPS_LIST_list): New prototype.
13197 * sched-int.h (struct sched_info): Change signature of new_ready field,
13198 adjust all initializations. New fields: add_remove_insn,
13199 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
13200 region_head_or_leaf_p.
13201 (struct spec_info_def): New structure declaration.
13202 (spec_info_t): New typedef.
13203 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
13204 recovery_block, orig_pat.
13205 (glat_start, glat_end): New variables declaraions.
13206 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
13208 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
13209 DETACH_LIFE_INFO, USE_GLAT.
13210 (enum SPEC_SCHED_FLAGS): New enumeration.
13211 (NOTE_NOTE_BB_P): New macro.
13212 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
13213 attach_life_info, debug_spec_status, check_reg_live): New functions.
13214 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
13215 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
13217 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
13218 * ddg.c (get_block_head_tail): Adjust all uses.
13219 * modulo-sched.c (get_block_head_tail): Adjust all uses.
13220 (sms_sched_info): Initialize new fields.
13221 (contributes_to_priority): Removed.
13222 * haifa-sched.c (params.h): New include.
13223 (get_block_head_tail): Adjust all uses.
13224 (ISSUE_POINTS): New macro.
13225 (glat_start, glat_end): New global variables.
13226 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
13227 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
13228 old_last_basic_block, before_recovery, current_sched_info_var,
13229 rgn_n_insns, luid): New static variables.
13230 (insn_cost1): New function. Move logic from insn_cost to here.
13231 (find_insn_reg_weight1): New function. Move logic from
13232 find_insn_reg_weight to here.
13233 (reemit_notes, move_insn, max_issue): Change signature.
13234 (move_insn1): Removed.
13235 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
13236 extend_bb): New static functions to support extension of scheduler's
13238 (generate_recovery_code, process_insn_depend_be_in_spec,
13239 begin_speculative_block, add_to_speculative_block,
13240 init_before_recovery, create_recovery_block, create_check_block_twin,
13241 fix_recovery_deps): New static functions to support
13242 generation of recovery code.
13243 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
13244 restore_bb_notes, move_block_after_check, move_succs): New static
13245 functions to support ebb scheduling.
13246 (init_glat, init_glat1, attach_life_info1, free_glat): New static
13247 functions to support handling of register live information.
13248 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
13249 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
13250 add_jump_dependencies): New static functions.
13251 (check_cfg, has_edge_p, check_sched_flags): New static functions for
13252 consistancy checking.
13253 (debug_spec_status): New function to call from debugger.
13254 (priority): Added code to handle speculation checks.
13255 (rank_for_schedule): Added code to distinguish speculative instructions.
13256 (schedule_insn): Added code to handle speculation checks.
13257 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
13258 Fixed to handle ebbs.
13259 (move_insn): Added code to handle ebb scheduling.
13260 (max_issue): Added code to use ISSUE_POINTS of instructions.
13261 (choose_ready): Added code to choose between speculative and
13262 non-speculative instructions.
13263 (schedule_block): Added code to handle ebb scheduling and scheduling of
13264 speculative instructions.
13265 (sched_init): Initialize new variables.
13266 (sched_finish): Free new variables. Print statistics.
13267 (try_ready): Added code to handle speculative instructions.
13268 * lists.c (copy_DEPS_LIST_list): New function.
13269 * sched-deps.c (extend_dependency_caches): New function. Move logic
13270 from create_dependency_caches to here.
13271 (get_dep_weak, ds_merge): Make global.
13272 * genattr.c (main): Code to output prototype for
13273 dfa_clear_single_insn_cache.
13274 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
13275 (output_dfa_clean_insn_cache_func): Code to output
13276 dfa_clear_single_insn_cache function.
13277 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
13279 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
13281 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
13282 New static variables.
13283 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
13284 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
13286 (ebb_sched_info): Initialize new fields.
13287 (get_block_head_tail): Adjust all uses.
13288 (compute_jump_reg_dependencies): Fixed to use glat_start.
13289 (schedule_ebb): Code to remove unreachable last block.
13290 (schedule_ebbs): Added code to update register live information.
13291 * sched-rgn.c (region_sched_info): Initialize new fields.
13292 (get_block_head_tail): Adjust all uses.
13293 (last_was_jump): Removed. Adjust users.
13294 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
13295 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
13296 Implement new hooks.
13297 (check_dead_notes1): New static function.
13298 (struct region): New fields: dont_calc_deps, has_real_ebb.
13299 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
13300 (BB_TO_BLOCK): Fixed to handle EBBs.
13301 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
13302 (ebb_head): New static variable.
13303 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
13304 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
13306 (compute_dom_prob_ps): New assertion.
13307 (check_live_1, update_live_1): Fixed to work with glat_start instead of
13308 global_live_at_start.
13309 (init_ready_list): New assertions.
13310 (can_schedule_ready_p): Split update code to begin_schedule_ready.
13311 (new_ready): Add support for BEGIN_CONTROL speculation.
13312 (schedule_insns): Fixed code that updates register live information
13314 (schedule_region): Fixed to handle EBBs.
13315 (init_regions): Use extend_regions and check_dead_notes1.
13316 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
13317 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
13318 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
13319 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
13320 TARGET_SCHED_GEN_CHECK,
13321 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13322 TARGET_SCHED_SET_SCHED_FLAGS): Document.
13323 * doc/invoke.texi (max-sched-insn-conflict-delay,
13324 sched-spec-prob-cutoff): Document.
13326 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13328 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
13329 inter_tick, queue_index.
13330 (struct sched_info): Change signature of init_ready_list field.
13331 Adjust all initializations.
13332 (RESOLVED_DEPS): New access macro.
13333 (ready_add): Remove prototype.
13334 (try_ready): Add prototype.
13335 * sched-rgn.c (init_ready_list): Use try_ready.
13336 (schedule_region): Initialize
13337 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
13338 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
13339 (init_ready_list): Use try_ready.
13340 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
13341 * lists.c (remove_list_elem): Remove `static'.
13342 (remove_free_INSN_LIST_elem): New function.
13343 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
13344 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
13345 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
13347 (readyp): New variable.
13348 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
13349 change_queue_index, resolve_dep): New static functions.
13350 (try_ready): New function. Adjust callers in sched-rgn.c and
13351 sched-ebb.c to use it instead of ready_add.
13352 (clock_var): Move at the begining of file.
13353 (rank_for_schedule): Fix typo.
13354 (queue_insn): Add assertion. Handle QUEUE_INDEX.
13355 (ready_lastpos): Enforce assertion.
13356 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
13357 update all callers.
13358 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
13359 (schedule_insn): Rewrite to use try_ready and resolve_dep.
13360 (queue_to_ready): Use free_INSN_LIST_list.
13361 (early_queue_to_ready): Fix typo.
13362 (schedule_block): Init readyp. Move init_ready_list call after the
13363 initialization of clock_var. Fix error in rejecting insn by
13364 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
13365 that previously corrected INSN_TICKs. Add code for handling
13367 (set_priorities): Fix typo.
13368 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
13369 Clarify comment and code that keeps current_sched_info->next_tail
13372 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13374 * sched-rgn.c (extend_rgns): New static function.
13375 (find_rgns): Use it.
13376 (gather_region_statistics, print_region_statistics): New static
13378 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
13379 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
13381 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13382 Andrey Belevantsev <abel@ispras.ru>
13384 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
13385 * lists.c (unused_deps_list): New variable.
13386 (free_list): Add assertions to verify the proper distinguishing
13387 between INSN_LISTs and DEPS_LISTs.
13388 (find_list_elem, remove_list_elem, remove_list_node): New static
13390 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
13391 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
13392 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
13393 (alloc_INSN_LIST): Assert that the list we're working on is indeed
13395 (free_INSN_LIST_node): Likewise.
13396 * modulo-sched.c (current_sched_info): Initialize flags field.
13397 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
13398 * rtl.def (DEPS_LIST): Define.
13399 * rtl.h: Declare new functions from lists.c.
13400 * sched-deps.c (spec_dependency_cache): New static variable.
13401 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
13402 (add_dependence): Change return type to void. Move the logic to ...
13403 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
13404 (delete_all_dependences): Add comment about forward_dependency_cache.
13405 Handle spec_dependency_cache. Handle DEPS_LISTs.
13406 (fixup_sched_groups): Clarify the change of priority of output
13407 and anti dependencies.
13408 (sched_analyze_2): Adjust add_dependence calls to create data
13409 speculative dependence.
13410 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
13411 Adjust all callers. Handle DEPS_LISTS.
13412 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
13413 presence of speculation.
13414 (init_dependency_caches, free_dependency_caches):
13415 Handle spec_dependency_cache.
13416 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
13417 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
13418 New static functions.
13419 (add_or_update_back_dep, add_or_update_back_forw_dep,
13420 add_back_forw_dep, delete_back_forw_dep): New functions.
13421 * sched-int.h (ds_t, dw_t): New typedefs.
13422 (struct sched_info): Add new field flags.
13423 (struct haifa_insn_data): Add new bitfield has_internal_dep.
13424 Prototype new sched-deps.c functions.
13425 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
13426 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
13427 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
13428 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
13429 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
13430 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
13432 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
13434 * sched-rgn.c (current_sched_info): Initialize flags field.
13435 (schedule_insns): Initialize current_sched_info before the sched_init
13437 * sched-ebb.c (current_sched_info): Initialize flags field.
13438 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
13439 Call add_or_update_back_dep instead of add_dependence.
13440 Create control speculative dependencies.
13441 (schedule_insns): Initialize current_sched_info before the sched_init
13444 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
13446 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
13448 (sh_fallback_frame_state): Likewise.
13450 2006-03-15 Geoffrey Keating <geoffk@apple.com>
13452 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
13453 Do switch on default_use_cxa_atexit.
13454 (powerpc*-*-darwin*): Build crt2.o on powerpc.
13455 * config/darwin-crt3.o: New.
13456 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
13457 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
13458 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
13460 * config/rs6000/t-darwin: Move crt2.o building to here.
13461 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
13462 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
13465 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13467 * config/vax/vax.c (nonindexed_address_p): Change logical negation
13468 from '! xxx' to '!xxx' for coding-style conformance.
13469 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
13470 (EXTRA_CONSTRAINT): Likewise.
13471 * config/vax/vax.md (four unnamed insns): Likewise.
13473 2006-03-15 Paul Brook <paul@codesourcery.com>
13475 * config/arm/arm.c (minipool_pad): New.
13476 (add_minipool_forward_ref): Include pool alignment padding in address
13478 (push_minipool_fix): Set minipool_pad.
13479 (minipool_pad): Ditto.
13481 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13483 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
13484 instead of GET_CODE() == MEM and REG_P() instead of
13486 (print_operand_address): Likewise.
13487 (vax_address_cost): Likewise.
13488 (vax_rtx_costs): Likewise.
13489 (vax_notice_update_cc): Likewise.
13490 (vax_output_int_add): Likewise.
13491 (INDEX_REGISTER_P): Likewise.
13492 (BASE_REGISTER_P): Likewise.
13493 (nonindexed_address_p): Likewise.
13494 (vax_mode_dependent_address_p): Likewise.
13495 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
13496 (PRINT_OPERAND): Likewise.
13497 * config/vax/vax.md (ashlsi3): Likewise.
13498 (ashlsi3): Likewise.
13499 (some more unnamed insns): Likewise.
13501 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
13503 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
13504 iterator-style macro.
13505 (mark_control_dependent_edges_necessary): Update the use of
13506 EXECUTE_IF_CONTROL_DEPENDENT.
13508 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
13510 * config/sh/predicates.md (cache_address_operand): Special.
13511 (ua_address_operand): Likewise.
13513 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
13515 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
13517 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
13519 2006-03-15 Andreas Schwab <schwab@suse.de>
13521 * gensupport.c (identify_predicable_attribute): Don't free p_false
13522 when it is still in use.
13524 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
13526 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
13527 the default setting here.
13529 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
13531 * tree-pass.h (pass_cfg): Remove.
13532 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
13533 * passes.c (pass_cfg): Don't run it.
13535 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
13537 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
13538 * reg-stack.c (stack_regs_mentioned_data): Change the type to
13540 (stack_regs_mentioned): Update the uses of
13541 stack_regs_mentioned_data. Don't access the array beyond its
13543 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
13544 Don't include gt-reg-stack.h.
13546 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
13547 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
13549 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
13551 PR middle-end/26684
13552 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13555 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13557 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13559 2006-03-14 Richard Guenther <rguenther@suse.de>
13561 PR tree-optimization/26672
13562 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13565 2006-03-14 Richard Guenther <rguenther@suse.de>
13567 PR tree-optimization/26667
13568 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13569 node for the callees. Always allow inlining if it will shrink
13572 2006-03-14 Richard Guenther <rguenther@suse.de>
13574 PR middle-end/26659
13575 * builtins.c (get_pointer_alignment): Prefer alignment
13576 information from decls over that from types.
13578 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13581 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13583 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13585 * config/rs6000/rs6000.opt (mdlmzb): New option.
13586 (msched-prolog, msched-epilog): Use Var not Mask.
13587 * doc/invoke.texi (-mdlmzb): Document.
13588 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13590 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13591 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13593 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13595 PR rtl-optimization/25739
13596 * bt-load.c (augment_live_range): Free tos pointer.
13598 * gensupport.c (identify_predicable_attribute): Free
13600 * gcov.c (create_file_names): Free name pointer.
13602 2006-03-13 Roger Sayle <roger@eyesopen.com>
13604 PR middle-end/26557
13605 * stmt.c (emit_case_nodes): Handle the case where the index is a
13606 CONST_INT, where the comparison mode is specified by the index type.
13608 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13610 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13613 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13615 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13616 (*branch_fp_inverted): Likewise.
13618 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13620 PR middle-end/25989
13621 * omp-low.c (expand_omp_for_generic): Mark istart0
13622 and iend0 as addressable.
13624 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13626 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13628 2006-03-13 Jeff Law <law@redhat.com>
13630 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13631 virtual operands are interesting.
13632 (vrp_visit_stmt): Corresponding changes.
13634 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13636 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13638 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13639 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13640 * config/bfin/crti.S: Use it instead of __PIC__.
13641 * config/bfin/crtn.S: Likewise.
13643 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13644 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13646 Lose 'G' modifier for call operand.
13647 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13648 recognize 'G' modifier.
13650 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13652 PR middle-end/18859
13653 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13654 * stmt.c (expand_case): Likewise.
13656 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13658 PR rtl-optimization/26254
13659 * loop-invariant.c (seq_insns_valid_p): New function.
13660 (move_invariant_reg): Only emit new code if it is valid.
13662 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13664 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13666 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13667 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13668 (commit_one_edge_insertion): Do not look for loop notes.
13670 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13672 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13673 flag_test_coverage out of loop.
13675 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13677 * final.c (shorten_branches): Remove outdated comment, and turn
13678 the if branch that guards it to continue.
13680 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13682 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13683 * cfgloop.h (struct loop): Remove unused fields.
13685 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13687 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13688 (-dL, -fdump-rtl-loop2): Update the dump file names
13690 * doc/invoke.texi: Update dump file names.
13692 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13694 * predict.c (estimate_probability): Remove.
13695 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13696 * basic-block.h (estimate_probability): Remove prototype.
13697 * passes.c (finish_optimization_passes): Dump branch prediction or
13698 profiling heuristics to the .profile tree dump.
13699 (init_optimization_passes): Unqueue pass_branch_prob.
13701 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13703 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13705 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13706 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13708 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13710 * function.h (frame_offset_overflow): Declare.
13711 * function.c (frame_offset_overflow): New function.
13712 (assign_stack_local_1): Call it to detect that the offset overflows.
13713 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13715 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13717 * config/sh/sh.c: Include alloc-pool.h.
13718 (label_ref_list_pool): New alloc pool.
13719 (label_ref_list_t): New type for lists of labels.
13720 (struct pool_node): Make wend a label_ref_list_t.
13721 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13723 (dump_table): Likewise.
13724 (sh_reorg): Set up the alloc pool before using add_constant and
13725 dump_table, and destroy it when finishing.
13727 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13729 * config/mips/mips.c: Remove redundant comment.
13731 2006-03-10 Jason Merrill <jason@redhat.com>
13734 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13735 the target was declared 'register'.
13737 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13739 * genpreds.c (write_insn_constraint_len): Change definition of
13740 insn_constraint_len to return size_t to match the declaration.
13742 2006-03-10 DJ Delorie <dj@redhat.com>
13744 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13746 (m32c_expand_insv): Fix test for an AND mask.
13748 2006-03-10 Richard Guenther <rguenther@suse.de>
13750 PR middle-end/26565
13751 * builtins.c (get_pointer_alignment): Handle component
13752 references for field alignment.
13754 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13756 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13757 when building with libgloss.
13758 (sh*elf): Implement --without-fp option.
13759 (sh64-superh-linux*): Don't multilib.
13761 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13763 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13765 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13767 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13768 Set it when one of the replacement functions returned true.
13769 Return TODO_cleanup_cfg if cfgchanged is true.
13770 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13772 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13774 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13775 instead of gen_lowpart.
13777 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13779 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13781 (mips_output_order_conditional_branch): Declare.
13782 * config/mips/mips.h (MIPS_BRANCH): New macro.
13783 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13784 for the comparison. Use gen_condjump.
13785 (mips_output_conditional_branch): Rework interface to take the
13786 asm templates for a direct branch and the inverse of a direct branch.
13787 (mips_output_order_conditional_branch): New function.
13788 (mips_builtin_branch_and_move): New function.
13789 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13790 branch condition. Use gen_single_cc as the condition for
13791 __builtin_mips_upper_* or __builtin_mips_lower_*.
13792 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13793 Use VOIDmode for the branch condition.
13794 * config/mips/predicates.md (order_operator): New predicate.
13795 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13796 (branch_fp): Rename to...
13797 (*branch_fp): ...this. Remove mode from comparison operator.
13798 Use new mips_output_conditional_branch interface.
13799 (branch_fp_inverted): Rename to...
13800 (*branch_fp_inverted): ...this and update as for *branch_fp.
13801 (*branch_zero<mode>): Rename to...
13802 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13803 Use mips_output_order_conditional_branch. Only accept ordered
13805 (*branch_zero<mode>_inverted): Rename to...
13806 (*branch_order<mode>_inverted): ...this and update as for
13807 *branch_order<mode>.
13808 (*branch_equality<mode>): Accept zero as the second operand to
13809 the equality operator. Use the new mips_output_conditional_branch
13811 (*branch_equality<mode>_inverted): Likewise.
13812 (condjump): New expander.
13813 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13815 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13816 (bc1any2t, bc1any2f): Likewise.
13817 (single_cc): New expander.
13818 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13820 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13822 * doc/md.texi: Update documentation of MIPS constraints.
13823 * config/mips/constraints.md: New file.
13824 * config/mips/mips.md: Include it.
13825 * config/mips/mips.c (mips_char_to_class): Delete.
13826 (override_options): Don't initialize mips_char_to_class.
13827 * config/mips/mips.h (mips_char_to_class): Delete.
13828 (REG_CLASS_FROM_LETTER): Delete.
13829 (CONST_OK_FOR_LETTER_P): Delete.
13830 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13831 (EXTRA_CONSTRAINT_Y): Delete.
13832 (EXTRA_CONSTRAINT_STR): Delete.
13833 (CONSTRAINT_LEN): Delete.
13834 (EXTRA_MEMORY_CONSTRAINT): Delete.
13836 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13838 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13839 original fn's eh regions.
13841 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13843 * fold-const.c (build_range_check): Make sure to use a valid type to
13844 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13847 (range_predecessor): New static function.
13848 (range_successor): Likewise.
13849 (merge_ranges): Use them to compute predecessors and successors of
13852 2006-03-09 Roger Sayle <roger@eyesopen.com>
13854 PR middle-end/26561
13855 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13856 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13858 2006-03-08 DJ Delorie <dj@redhat.com>
13860 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13861 (addpsi3): Expand to include memory operands. Remove
13862 reload-specific splits.
13863 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13864 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13865 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13866 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13867 (shift1_qi, shift1_hi, insv): New.
13868 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13869 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13870 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13872 * config/m32c/m32c-protos.h: Update as needed.
13873 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13874 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13875 Fail for unrecognized R* constraints.
13876 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13877 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13878 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13880 (m32c_init_libfuncs): New.
13881 (m32c_legitimate_address_p): Add debug wrapper.
13882 (m32c_rtx_costs): New.
13883 (m32c_address_cost): New.
13884 (conversions): Add 'B' prefix.
13885 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13886 operands, or word regnames for QI operands. 'B' prints bit
13888 (m32c_expand_setmemhi): New.
13889 (m32c_expand_movmemhi): New.
13890 (m32c_expand_movstr): New.
13891 (m32c_expand_cmpstr): New.
13892 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13893 (m32c_expand_neg_mulpsi3): Handle non-ints.
13894 (m32c_cmp_flg_0): New.
13895 (m32c_expand_movcc): New.
13896 (m32c_expand_insv): New.
13897 (m32c_scc_pattern): New.
13898 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13899 a0/a1 out of SIregs.
13900 (STORE_FLAG_VALUE): New.
13901 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13904 * config/m32c/mov.md: Make constraints more liberal.
13905 (zero_extendqihi2): Optimize r0/r1 case.
13906 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13907 * config/m32c/predicates.md (m32c_any_operand): New.
13908 (m32c_nonimmediate_operand): New.
13909 (m32c_hl_operand): New.
13910 (m32c_r3_operand): New.
13913 (memsym_operand): New.
13914 (memimmed_operand): New.
13915 (a_qi_operand): New.
13916 (m32c_eqne_operator): New.
13917 (m32c_1bit8_operand): New.
13918 (m32c_1bit16_operand): New.
13919 (m32c_1mask8_operand): New.
13920 (m32c_1mask16_operand): New.
13921 * config/m32c/blkmov.md: New file.
13922 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13924 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13926 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13927 unsigned to fix signed/unsigned comparison issue in
13928 DWARF2_FRAME_REG_OUT.
13929 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13930 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13932 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13933 of ptr into the ENABLE_CHECKING section.
13935 2006-03-08 Jeff Law <law@redhat.com>
13937 * tree-vrp.c (infer_value_range): Only count pointer uses
13938 and dereferences if -fdelete-null-pointer-checks is enabled.
13940 * tree-vrp.c (find_assert_locations): Infer value ranges for
13941 single use pointers, but do not create ASSERT_EXPRs for them.
13942 When a non-null range is inferred for a pointer, backwards
13943 propagate that range to other equivalent pointers through the
13946 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13949 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13950 language hook targets.
13951 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13952 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13953 if language hook targets were missing.
13955 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13957 * tree-ssa-opfinalize.h: Removed.
13958 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13960 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13961 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13962 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13963 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13964 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13965 finalize_ssa_v_must_def_ops): New.
13967 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13969 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13970 block as parameter.
13972 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13974 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13976 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13977 addresses with offsets; reorganize.
13979 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13980 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13981 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13983 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13986 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13988 2006-03-08 Ben Elliston <bje@au.ibm.com>
13990 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13992 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13995 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13998 2006-03-07 Richard Guenther <rguenther@suse.de>
14000 PR tree-optimization/26587
14001 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
14003 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14005 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
14007 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14009 * hooks.c (hook_bool_mode_rtx_true): New function.
14010 * hooks.h (hook_bool_mode_rtx_true): Declare.
14011 * toplev.c (compile_file): Call output_shared_constant_pool.
14012 * varasm.c (shared_constant_pool): New variable.
14013 (assemble_start_function, assemble_end_function): Remove arguments
14014 from call to output_constant_pool.
14015 (create_constant_pool): New function, split out from...
14016 (init_varasm_status): ...here.
14017 (force_const_mem): Choose between the shared and per-function constant
14018 pools. Set current_function_uses_const_pool when reusing old entries
14019 as well as when creating new ones.
14020 (mark_constant): Ignore data argument.
14021 (mark_constants): Remove pool argument.
14022 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
14023 to decide whether the function uses a constant pool.
14024 (output_constant_pool_contents): New function, split out from...
14025 (output_constant_pool): ...here.
14026 (output_shared_constant_pool): New function.
14027 (init_varasm_once): Initialize shared_constant_pool.
14028 * output.h (output_constant_pool): Delete.
14029 (output_shared_constant_pool): Declare.
14030 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
14031 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
14033 2006-03-06 Nick Clifton <nickc@redhat.com>
14035 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
14036 flag_strength_reduce.
14038 2006-03-06 Ben Elliston <bje@au.ibm.com>
14040 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
14041 x86_64-*-linux* configurations.
14043 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
14044 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
14046 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14048 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
14050 * basic-block.h: Remove the extern for
14051 rediscover_loops_after_threading.
14053 * cfgloop.c (cancel_loop): Make it static.
14054 * cfgloop.h: Remove the prototype for cancel_loop.
14056 * flow.c (recompute_reg_usage): Make it static.
14057 * rtl.h: Remove the prototype for recompute_reg_usage.
14059 * function.c (use_return_register): Make it static.
14060 * function.h: Remove the prototype.
14062 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14064 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
14066 * recog.h: Remove the prototype for
14067 validate_change_maybe_volatile.
14069 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14071 * rtlanal.c (replace_reg): Remove.
14072 * rtl.h: Remove the prototype for replace_reg.
14074 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14076 * regclass.c (reg_scan_update): Remove.
14077 (reg_scan_mark_refs): Remove the last argument.
14078 * rtl.h: Remove the prototype for reg_scan_update.
14080 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14082 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
14083 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
14084 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
14085 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
14086 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
14087 loop-invariant.c, omp-low.c, opts.c, passes.c,
14088 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
14089 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
14090 tree-ssa-structalias.c, tree-ssa-threadedge.c,
14091 tree-ssa-threadupdate.c, tree-vect-patterns.c,
14092 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
14093 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
14095 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14097 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
14098 * dwarf2out.h: Remove the prototype for
14099 dwarf2out_add_library_unit_info.
14101 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14103 * tree.c (add_var_to_bind_expr): Remove.
14104 * tree.h: Remove the prototype for add_var_to_bind_expr.
14106 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14108 * regclass.c (n_non_fixed_regs): Remove.
14109 (init_reg_sets_1, globalize_reg): Remove all uses of
14111 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
14113 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14115 * rtlanal.c (insns_safe_to_move_p): Remove.
14116 * rtl.h: Remove the prototype for insns_safe_to_move_p.
14118 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14120 * expmed.c (expand_mult_add): Remove.
14121 * expr.h: Remove the prototype for expand_mult_add.
14123 2006-03-04 Jakub Jelinek <jakub@redhat.com>
14125 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
14126 and REG_SAVED_VAL_EXP constants.
14127 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
14128 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
14129 Handle regs stored by value.
14130 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
14131 (execute_cfa_program): Handle DW_CFA_val_offset,
14132 DW_CFA_val_offset_sf and DW_CFA_val_expression.
14133 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
14134 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
14135 (uw_install_context_1): Handle target regs stored by value.
14137 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
14139 * tree-sra.c (tree_sra): Return todoflags;
14140 (generate_one_element): Set TODO_update_smt_usage if needed.
14141 (pass_sra): Remove TODO_update_smt_usage.
14142 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
14144 (tree_ssa_forward_propagate_single_use_vars): Return
14145 TODO_update_smt_usage if we need to update SMT usage.
14146 (pass_forwprop): Remove TODO_update_smt_usage.
14148 2006-03-03 Diego Novillo <dnovillo@redhat.com>
14150 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
14151 (correct_use_link): Remove reference to get_stmt_operands.
14152 (update_stmt_operands): Likewise.
14153 (get_modify_expr_operands): New function factored out of
14154 parse_ssa_operands and get_expr_operands.
14155 Try to create V_MUST_DEFs for LHS by default.
14156 (get_expr_operands) <case MODIFY_EXPR>: Call
14157 get_modify_expr_operands.
14158 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
14159 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
14160 (parse_ssa_operands) <case MODIFY_EXPR>: Call
14161 get_modify_expr_operands.
14163 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
14165 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
14166 * tree-flow.h: Remove the prototype for
14167 referenced_var_lookup_if_exists.
14169 2006-03-03 Steve Ellcey <sje@cup.hp.com>
14171 PR rtl-optimization/26345
14173 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
14175 2006-03-03 Roger Sayle <roger@eyesopen.com>
14177 PR tree-optimization/26524
14178 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
14179 fold_convert to create a constant of the appropriate type.
14181 2006-03-03 Richard Sandiford <richard@codesourcery.com>
14183 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14184 SYMBOL_REF_IN_BLOCK_P.
14185 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
14186 of SYMBOL_FLAG_IN_BLOCK.
14187 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
14188 instead of SYMBOL_REF_IN_BLOCK_P.
14189 * explow.c (use_anchored_address): Likewise.
14190 * rtl.c (rtx_size): Likewise.
14191 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
14192 instead of SYMBOL_FLAG_IN_BLOCK.
14193 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14194 SYMBOL_REF_IN_BLOCK_P.
14195 (assemble_variable): Likewise.
14196 (output_constant_def_contents): Likewise.
14197 (output_constant_pool): Likewise.
14198 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
14199 instead of SYMBOL_FLAG_IN_BLOCK.
14200 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14201 SYMBOL_REF_IN_BLOCK_P.
14202 (SYMBOL_REF_BLOCK): Likewise.
14203 (SYMBOL_REF_OFFSET): Likewise.
14204 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14205 SYMBOL_REF_IN_BLOCK_P.
14206 (SYMBOL_FLAG_IN_BLOCK): Replace with...
14207 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
14208 (SYMBOL_REF_IN_BLOCK_P): Replace with...
14209 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
14211 2006-03-03 Jakub Jelinek <jakub@redhat.com>
14213 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
14215 2006-03-02 Roger Sayle <roger@eyesopen.com>
14217 * simplify-rtx.c (simplify_unary_operation): When simplifying
14218 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
14219 that we perform the right shift in the appropriate mode, and
14220 then extend or truncate the result to requested mode.
14222 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
14224 * gengtype.c (main): Handle double_int type.
14225 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
14226 * double-int.c: New file.
14227 * double-int.h: New file.
14228 * system.h: Include doubleint.h.
14229 * Makefile.in (SYSTEM_H): Include double-int.h.
14230 (double-int.o): Add.
14232 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
14235 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
14238 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14240 * tree-vrp.c (remove_range_assertions): Do not update statements
14243 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14245 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
14247 * gcse.c (rest_of_handle_gcse): Ditto.
14248 * except.c (gate_handle_eh): Ditto.
14249 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
14250 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
14252 2006-03-02 Eric Christopher <echristo@apple.com>
14254 * config/i386/i386.c (machopic_output_stub): Add indirection to
14257 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14261 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
14263 Sun Niagara specific optimizations.
14264 * config.gcc: Recognize niagara as target.
14265 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
14266 (TARGET_CPU_niagara): Define.
14267 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
14268 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
14269 (CPP_CPU_SPEC): Handle -mcpu=niagara.
14270 (ASM_CPU_SPEC): Likewise.
14271 (PROCESSOR_NIAGARA): New enum entry.
14272 (REGISTER_MOVE_COST): Handle Niagara.
14273 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
14274 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
14275 (sparc_override_options): Recognize "niagara", set appropriate
14276 default MASK_* values for it, and align functions to 32-bytes
14277 by default just like ULTRASPARC/ULTRASPARC3.
14278 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
14279 (sparc64_initialize_trampoline): Likewise.
14280 (sparc_use_sched_lookahead): Use zero for niagara.
14281 (sparc_issue_rate): Use one for niagara.
14282 * config/sparc/niagara.md: New file.
14283 * config/sparc/sparc.md: Include it.
14284 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
14285 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
14286 when default cpu is niagara.
14287 (CPP_CPU_SPEC): Handle -mcpu=niagara.
14288 (ASM_CPU_SPEC): Likewise.
14289 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
14290 when default cpu is niagara.
14291 (ASM_CPU_SPEC): Handle -mcpu=niagara.
14292 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
14293 just like v9/ultrasparc/ultrasparc3.
14294 * doc/invoke.texi: Add documentation for "niagara" and improve
14295 existing documentation for ultrasparc variants.
14297 2006-03-02 Diego Novillo <dnovillo@redhat.com>
14299 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
14301 2006-03-02 Richard Sandiford <richard@codesourcery.com>
14303 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
14304 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
14305 and say that only one is needed.
14306 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
14307 * target.h (have_switchable_bss_sections): New hook.
14308 * explow.c (use_anchored_address): Check that the symbol is in a block.
14309 * varasm.c (tls_comm_section, comm_section, lcomm_section)
14310 (bss_noswitch_section): New variables.
14311 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
14312 (get_noswitch_section): New function.
14313 (get_block_for_section): Allow SECT to be null.
14314 (unlikely_text_section_p): Use SECTION_STYLE.
14315 (bss_initializer_p): New function.
14316 (get_variable_section): Move earlier in file. Take a new argument,
14317 prefer_noswitch_p. Move bss checks from assemble_variable to here.
14318 Return one of the new *_sections in such cases.
14319 (get_block_for_decl): New function, extracting some logic from
14320 use_blocks_for_decl_p.
14321 (change_symbol_section): Remove in favor of...
14322 (change_symbol_block): ...this new function.
14323 (use_blocks_for_decl_p): Remove checks now performed by
14324 get_block_for_decl.
14325 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
14326 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
14327 (emit_local, emit_bss, emit_common): ...these new functions.
14328 Return true if the alignment was honored.
14329 (emit_tls_common): New function.
14330 (asm_emit_uninitialised): Delete.
14331 (assemble_variable_noswitch): New function, split out from...
14332 (assemble_variable): ...here. Don't make decisions about common
14333 variables here. Globalize all public decls that go into non-common
14334 sections. Check whether SYMBOL_REF_BLOCK is null.
14335 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
14336 (output_constant_pool): Likewise.
14337 (init_varasm_once): Initialize the new section variables.
14338 (have_global_bss_p): New function.
14339 (categorize_decl_for_section): Use bss_initializer_p.
14340 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
14341 (place_block_symbol): Assert that the symbol must be in a block.
14342 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
14343 (TARGET_INITIALIZER): Include it.
14344 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
14345 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
14346 (SECTION_MACH_DEP): Bump by two.
14347 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
14348 (unnamed_section): Mention SECTION_UNNAMED in comment.
14349 (named_section): Likewise SECTION_NAMED.
14350 (noswitch_section_callback): New type.
14351 (noswitch_section): New structure.
14352 (section): Add a noswitch_section alternative.
14353 (SECTION_STYLE): New macro.
14354 (tls_comm_section, comm_section, lcomm_section): Declare.
14355 (bss_noswitch_section, have_global_bss_p): Declare.
14356 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14357 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14359 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14360 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14363 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
14365 * tree-vrp.c (execute_vrp): Return value.
14366 * regrename.c (rest_of_handle_regrename): Ditto.
14367 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
14368 * tree-complex.c (tree_lower_complex): Ditto.
14369 (tree_lower_complex_O0): Ditto.
14370 * tracer.c (rest_of_handle_tracer): Ditto.
14371 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
14372 * postreload.c (rest_of_handle_postreload): Ditto.
14373 * tree-tailcall.c (execute_tail_recursion): Ditto.
14374 (execute_tail_calls): Ditto.
14375 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14376 * tree.h (init_function_for_compilation): Ditto.
14377 * ipa-cp.c (ipcp_driver): Ditto.
14378 * tree-scalar-evolution.c (scev_const_prop): Ditto.
14379 * tree-scalar-evolution.h (scev_const_prop): Ditto.
14380 * final.c (compute_alignments): Ditto.
14381 (rest_of_handle_final): Ditto.
14382 (rest_of_handle_shorten_branches): Ditto.
14383 (rest_of_clean_state): Ditto.
14384 * omp-low.c (execute_expand_omp): Ditto.
14385 (execute_lower_omp): Ditto.
14386 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
14387 * ipa-reference.c (static_execute): Ditto.
14388 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
14389 * reorg.c (rest_of_handle_delay_slots): Ditto.
14390 (rest_of_handle_machine_reorg): Ditto.
14391 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
14392 * flow.c (recompute_reg_usage): Ditto.
14393 (rest_of_handle_remove_death_notes): Ditto.
14394 (rest_of_handle_life): Ditto.
14395 (rest_of_handle_flow2): Ditto.
14396 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
14397 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
14398 (do_ssa_store_ccp): Ditto.
14399 (execute_fold_all_builtins): Ditto.
14400 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
14401 * modulo-sched.c (rest_of_handle_sms): Ditto.
14402 * ipa-pure-const.c (static_execute): Ditto.
14403 * cse.c (rest_of_handle_cse): Ditto.
14404 (rest_of_handle_cse2): Ditto.
14405 * web.c (rest_of_handle_web): Ditto.
14406 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
14407 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
14408 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
14409 * tree-nrv.c (tree_nrv): Ditto.
14410 (execute_return_slot_opt): Ditto.
14411 * tree-ssa-alias.c (compute_may_aliases): Ditto.
14412 (create_structure_vars): Ditto.
14413 * loop-init.c (rtl_loop_init): Ditto.
14414 (rtl_loop_done): Ditto.
14415 (rtl_move_loop_invariants): Ditto.
14416 (rtl_unswitch): Ditto.
14417 (rtl_unroll_and_peel_loops): Ditto.
14418 (rtl_doloop): Ditto.
14419 * gimple-low.c (lower_function_body): Ditto.
14420 (mark_used_blocks): Ditto.
14421 * tree-ssa-sink.c (execute_sink_code): Ditto.
14422 * ipa-inline.c (cgraph_decide_inlining): Ditto.
14423 (cgraph_early_inlining): Ditto.
14424 * global.c (rest_of_handle_global_alloc): Ditto.
14425 * jump.c (cleanup_barriers): Ditto.
14426 (purge_line_number_notes): Ditto.
14427 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
14428 (rest_of_handle_if_after_reload): Ditto.
14429 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
14430 (tree_ssa_loop_im): Ditto.
14431 (tree_ssa_loop_unswitch): Ditto.
14432 (tree_vectorize): Ditto.
14433 (tree_linear_transform): Ditto.
14434 (tree_ssa_loop_ivcanon): Ditto.
14435 (tree_ssa_empty_loop): Ditto.
14436 (tree_ssa_loop_bounds): Ditto.
14437 (tree_complete_unroll): Ditto.
14438 (tree_ssa_loop_prefetch): Ditto.
14439 (tree_ssa_loop_ivopts): Ditto.
14440 (tree_ssa_loop_done): Ditto.
14441 * predict.c (tree_estimate_probability): Ditto.
14442 * recog.c (split_all_insns_noflow): Ditto.
14443 (rest_of_handle_peephole2): Ditto.
14444 (rest_of_handle_split_all_insns): Ditto.
14445 * tree-eh.c (lower_eh_constructs): Ditto.
14446 * regmove.c (rest_of_handle_regmove): Ditto.
14447 (rest_of_handle_stack_adjustments): Ditto.
14448 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
14449 * function.c (instantiate_virtual_regs): Ditto.
14450 (init_function_for_compilation): Ditto.
14451 (rest_of_handle_check_leaf_regs): Ditto.
14452 * gcse.c (rest_of_handle_jump_bypass): Ditto.
14453 (rest_of_handle_gcse): Ditto.
14454 * ipa-type-escape.c (type_escape_execute): Ditto.
14455 * alias.c (rest_of_handle_cfg): Ditto.
14456 * tree-if-conv.c (main_tree_if_conversion): Ditto.
14457 * profile.c (rest_of_handle_branch_prob): Ditto.
14458 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
14459 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
14460 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
14461 * tree-dfa.c (find_referenced_vars): Ditto.
14462 * except.c (set_nothrow_function_flags): Ditto.
14463 (convert_to_eh_region_ranges): Ditto.
14464 (rest_of_handle_eh): Ditto.
14465 * emit-rtl.c (unshare_all_rtl): Ditto.
14466 (remove_unnecessary_notes): Ditto.
14467 * except.h (set_nothrow_function_flags): Ditto.
14468 (convert_to_eh_region_ranges): Ditto.
14469 * cfgexpand.c (tree_expand_cfg): Ditto.
14470 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
14471 * tree-ssa-pre.c (do_pre): Ditto.
14472 (execute_fre): Ditto.
14473 * cfgcleanup.c (rest_of_handle_jump): Ditto.
14474 (rest_of_handle_jump2): Ditto.
14475 * tree-sra.c (tree_sra): Ditto.
14476 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
14477 (execute_mudflap_function_decls): Ditto.
14478 * tree-ssa-copy.c (do_copy_prop): Ditto.
14479 (do_store_copy_prop): Ditto.
14480 * ipa-prop.h (ipcp_driver): Ditto.
14481 * cfglayout.c (insn_locators_initialize): Ditto.
14482 * tree-ssa-forwprop.c
14483 (tree_ssa_forward_propagate_single_use_vars): Ditto.
14484 * cfglayout.h (insn_locators_initialize): Ditto.
14485 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
14486 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
14487 (execute_late_warn_uninitialized): Ditto.
14488 * rtl.h (cleanup_barriers): Ditto.
14489 (split_all_insns_noflow): Ditto.
14490 (purge_line_number_notes): Ditto.
14491 (unshare_all_rtl): Ditto.
14492 (remove_unnecessary_notes): Ditto.
14493 (recompute_reg_usage): Ditto.
14494 (variable_tracking_main): Ditto.
14495 * integrate.c (emit_initial_value_sets): Ditto.
14496 * integrate.h (emit_initial_value_sets): Ditto.
14497 * tree-optimize.c (execute_free_datastructures): Ditto
14498 (execute_free_cfg_annotations): Ditto.
14499 (execute_fixup_cfg): Ditto.
14500 (execute_cleanup_cfg_pre_ipa): Ditto.
14501 (execute_cleanup_cfg_post_optimizing): Ditto.
14502 (execute_init_datastructures): Ditto.
14503 * tree-object-size.c (compute_object_sizes): Ditto.
14504 * combine.c (rest_of_handle_combine): Ditto.
14505 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
14506 * bb-reorder.c (duplicate_computed_gotos): Ditto.
14507 (rest_of_handle_reorder_blocks): Ditto.
14508 (rest_of_handle_partition_blocks): Ditto.
14509 * var-tracking.c (variable_tracking_main): Ditto.
14510 * tree-profile.c (tree_profiling): Ditto.
14511 * tree-vect-generic.c (expand_vector_operations): Ditto.
14512 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
14513 * sched-rgn.c (rest_of_handle_sched): Ditto.
14514 (rest_of_handle_sched2): Ditto.
14515 * basic-block.h (free_bb_insn): Ditto.
14516 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
14517 * tree-cfg.c (execute_build_cfg): Ditto.
14518 (remove_useless_stmts): Ditto.
14519 (split_critical_edges): Ditto.
14520 (execute_warn_function_return): Ditto.
14521 (execute_warn_function_noreturn): Ditto.
14522 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
14523 * cfgrtl.c (free_bb_for_insn): Ditto.
14524 * passes.c (execute_one_pass): Run additional
14525 todos returned by execute function.
14526 * tree-pass.h (struct tree_opt_pass): Make execute
14529 2006-03-02 Richard Guenther <rguenther@suse.de>
14531 * tree-ssa-alias.c (find_used_portions): Consider taking
14532 the address as making the variable not write-only.
14534 2006-03-02 Nick Clifton <nickc@redhat.com>
14536 * config.gcc (default_use_cxa_atexit): Extend the description of
14537 this configure variable. Set its default value to "yes" for
14538 Linux, NetBSD and ELF targets on the assumption that they will
14539 use C libraries with the __cxa_atexit function.
14541 2006-03-02 Ben Elliston <bje@au.ibm.com>
14543 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
14544 parameter as unused to suppress a build warning.
14546 2006-03-02 Ben Elliston <bje@au.ibm.com>
14548 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
14551 2006-03-01 Roger Sayle <roger@eyesopen.com>
14554 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14555 declared name, the weak reference name, and the typeof name.
14556 (__gthrw): Avoid expanding the declared name suffix.
14557 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14559 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14561 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14563 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14564 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14565 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14566 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14567 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14568 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14569 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14570 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14571 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14572 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14573 (DW_END_default, DW_END_big, DW_END_little): New.
14574 (DW_END_lo_user, DW_END_hi_user): Define.
14575 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14576 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14577 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14580 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14582 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14584 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14586 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14588 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14590 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14591 to 'symbol_mem_tag'.
14593 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14596 2006-03-01 Roger Sayle <roger@eyesopen.com>
14598 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14600 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14603 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14604 MACHO_DYNAMIC_NO_PIC_P.
14605 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14607 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14610 * config/darwin-protos.h (darwin_asm_output_anchor):
14612 * config/darwin-sections.def (cstring_section):
14613 Add SECTION_MERGE to the flags.
14614 (literal4_section): Likewise.
14615 (literal8_section): Likewise.
14616 (objc_selector_refs_section): Likewise.
14617 (objc_cls_refs_section): Likewise.
14618 * config/darwin.c (darwin_asm_output_anchor): New
14620 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14622 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14624 Fix PR tree-optimization/26443
14625 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14626 to todo and PROP_tmt_usage to properties_destroyed.
14627 * tree-ssa-ccp.c (pass_ccp): Ditto.
14628 (pass_store_ccp): Ditto.
14629 * tree-ssa-dom.c (pass_dominator): Ditto.
14631 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14633 * tree-ssa-operands.c: Cleanup whitespace.
14634 (get_asm_expr_operands): Move before first invocation.
14635 (get_indirect_ref_operands): Likewise.
14636 (get_tmr_operands): Likewise.
14637 (get_call_expr_operands): Likewise.
14638 (append_def): Likewise.
14639 (append_use): Likewise.
14640 (append_v_may_def): Likewise.
14641 (append_v_must_def): Likewise.
14642 (add_call_clobber_ops): Likewise.
14643 (add_call_read_ops): Likewise.
14644 (add_stmt_operand): Likewise.
14645 (add_virtual_operand): Likewise.
14646 (build_ssa_operands): Likewise.
14648 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14650 PR middle-end/26022
14652 PR middle-end/24437
14653 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14654 with a call expr to ...
14655 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14657 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14659 * tree-vrp.c (extract_range_from_assert): Remove special
14660 handling for types with super-types.
14662 2006-03-01 Ben Elliston <bje@au.ibm.com>
14664 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14665 and powerpc64-*-linux* configurations.
14666 * config/t-dfprules: New file.
14668 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14669 Compile dfp-bit.c from the source directory using -DWIDTH and
14670 $DFP_CFLAGS to control the compilation of that file, rather than
14671 generating width-specific versions in the build directory.
14672 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14673 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14675 2006-02-28 Zack Weinberg <zackw@panix.com>
14677 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14680 2006-02-28 Eric Christopher <echristo@apple.com>
14682 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14683 Set up IN_LIBGCC definition of TARGET_64BIT.
14684 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14686 2006-02-28 Roger Sayle <roger@eyesopen.com>
14688 PR middle-end/14752
14689 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14690 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14691 cases via the construction of "expr != 0".
14693 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14695 * alias.c (alias_invariant, alias_invariant_size): Remove.
14696 (record_base_value): Remove.
14697 (memrefs_conflict_p): Don't look at alias_invariant.
14698 (end_alias_analysis): Don't free it.
14699 * alias.h (record_base_value): Remove prototype.
14701 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14702 Adam Nemet <anemet@caviumnetworks.com>
14704 * rtl.h (truncated_to_mode): Declare it.
14705 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14706 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14707 (RTL_HOOKS_INITIALIZER): Include it.
14708 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14709 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14710 reg_truncated_to_mode.
14711 * rtlanal.c (truncated_to_mode): Define it.
14712 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14714 2006-02-28 Jeff Law <law@redhat.com>
14716 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14717 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14718 the range allowed by TYPE_PRECISION.
14720 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14722 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14724 PR tree-optimization/26419
14725 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14728 2006-02-27 Zack Weinberg <zackw@panix.com>
14730 * doc/md.texi: Fix typo in previous change.
14732 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14736 2006-02-27 Zack Weinberg <zackw@panix.com>
14738 * rtl.def (define_constraint, define_register_constraint)
14739 (define_memory_constraint, define_address_constraint): New MD forms.
14740 * gensupport.c (process_rtx): Put define_constraint etc on the
14742 * genpreds.c (process_define_predicate): Adjust comment. Validate
14743 the name, and call validate_exp to validate the expression.
14744 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14745 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14746 all callers changed.
14747 (validate_exp, needs_variable, struct constraint_data)
14748 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14749 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14750 (const_dbl_constraints, constraint_max_namelen)
14751 (have_register_constraints, have_memory_constraints)
14752 (have_address_constraints, have_address_constraints)
14753 (have_extra_constraints, have_const_int_constraints)
14754 (have_const_dbl_constraints, mangle, add_constraint)
14755 (process_define_constraint, process_define_register_constraint)
14756 (write_enum_constraint_num, write_lookup_constraint)
14757 (write_insn_constraint_len, write_regclass_for_constraint)
14758 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14759 (write_insn_extra_memory_constraint)
14760 (write_insn_extra_address_constraint)
14761 (write_satisfies_constraint_fns): New.
14762 (write_tm_preds_h): If we have new-style constraint definitions,
14763 prototype the functions generated from them, and define the
14764 old constraint interface (still used by generic code) in terms of
14766 (write_insn_preds_c): If we have new-style constraint definitions,
14767 generate all relevant functions from those definitions.
14768 (main): Handle define_constraint etc.
14769 * genoutput.c (struct constraint_data, indep_constraints)
14770 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14771 (mdep_constraint_len): New data structures and functions, defined
14772 #ifdef USE_MD_CONSTRAINTS.
14773 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14774 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14775 use new logic to validate operand constraints against constraint
14777 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14779 * defaults.h: If none of the old-style constraint macros are
14780 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14781 old-style macros; and poison REG_CLASS_FROM_LETTER,
14782 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14784 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14785 * doc/md.texi: Document new constraint-definition mechanism and the
14786 C interface it provides. Remove references to old mechanism
14787 elsewhere in the document.
14788 (Machine Constraints): Use pathnames relative to gcc directory,
14789 i.e. config/ARCH/FILE. Change i386 section to refer to
14790 config/i386/predicates.md; update that section to match docstrings.
14791 * doc/tm.texi: Move all documentation of the old constraint-
14792 definition macros to their own section, clearly mark as obsolete.
14794 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14795 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14797 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14798 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14799 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14800 constraint strings.
14801 (splits and peepholes): Use satisfies_constraint_*.
14802 * config/i386/i386.c (memory_address_length)
14803 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14805 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14807 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14808 scalar operation to be put back into the loop.
14810 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14813 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14814 (extract_cie_info): Handle S flag in augmentation string.
14815 (execute_cfa_program): If context->signal_frame, execute also
14816 fs->pc == context->ra instructions.
14817 (uw_frame_state_for): If context->signal_frame, don't subtract one
14818 from context->ra to find FDE.
14819 (uw_update_context_1): Set context->signal_frame to
14821 (_Unwind_GetIPInfo): New function.
14822 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14823 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14825 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14826 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14827 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14828 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14829 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14830 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14831 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14832 x86_64_fallback_frame_state): Set fs->signal_frame.
14833 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14834 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14835 (frob_update_context): Likewise. Workaround missing S flag in
14836 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14837 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14838 Remove the psw_addr + 1 hack.
14840 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14842 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14843 with aggregates here.
14844 (find_func_aliases): Remove code for &<aggregate> from here.
14846 2006-02-26 Roger Sayle <roger@eyesopen.com>
14848 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14849 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14850 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14851 as (X & C) ne/eq 0.
14853 2006-02-26 Roger Sayle <roger@eyesopen.com>
14855 PR middle-end/19983
14856 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14858 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14860 * opts.c (decode_options): Do not handle flag_strength_reduce.
14861 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14862 and OPT_fstrength_reduce.
14863 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14864 flag_prefetch_loop_arrays for being nonzero.
14865 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14867 (fprefetch-loop-arrays-rtl): Removed.
14868 (flag_prefetch_loop_arrays): Do not specify the value.
14870 * doc/passes.texi: Update documentation of loop optimizer
14872 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14873 -frerun-loop-opt): Remove.
14875 2006-02-26 Richard Guenther <rguenther@suse.de>
14877 PR tree-optimization/26421
14878 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14879 in function calls that are ADDR_EXPRs as using the whole structure.
14881 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14883 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14884 * tree-pass.h (pass_loop_optimize): Remove.
14885 * passes.c (pass_loop_optimize): Never run it.
14886 * toplev.c (backend_init): Don't call init_loop.
14887 * opts.c (flag_loop_optimize_set): Remove.
14888 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14889 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14890 the old RTL loop optimizer when profiling enabled.
14891 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14892 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14893 pre-headers for the sake of the old RTL loop optimizer.
14894 * Makefile.in: Remove all references to loop.o.
14896 * doc/invoke.texi: Remove all references to -floop-optimize
14897 and -frerun-loop-opt.
14899 2006-02-26 Zack Weinberg <zackw@panix.com>
14901 * doc/md.texi (Machine Constraints): Refer to all files with paths
14902 relative to gcc directory (i.e. config/CPU/file). Add missing
14903 @table @code ... @end table to M32C subsection.
14905 2006-02-26 Roger Sayle <roger@eyesopen.com>
14907 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14909 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14911 2006-02-26 Roger Sayle <roger@eyesopen.com>
14912 James A. Morrison <phython@gcc.gnu.org>
14914 PR middle-end/21137
14915 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14916 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14917 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14918 signedness of the shift operation.
14920 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14922 PR tree-optimization/26359
14923 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14925 2006-02-25 Roger Sayle <roger@eyesopen.com>
14927 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14928 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14929 as X == 0, and some symmetry related transformations.
14930 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14932 2006-02-25 Roger Sayle <roger@eyesopen.com>
14934 PR middle-end/23673
14935 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14936 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14937 symmetry related transformations. Fold (X^C1) == C2 as
14940 2006-02-25 Juergen Weigert <jw@suse.de>
14941 Richard Guenther <rguenther@suse.de>
14943 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14945 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14947 * combine.c (gen_lowpart_or_truncate): Call
14948 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14950 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14952 * doc/invoke.texi: Move -fopenmp description to "Options for
14954 Remove reference to -lgomp.
14956 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14958 * doc/install.texi: Require GNU tar version 1.14.
14960 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14962 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14963 * doc/invoke.texi (C++ Dialect Options): Document
14964 -fno-use-cxa-get-exception-ptr.
14965 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14966 * configure: Regenerate.
14967 * c.opt (fuse-cxa-get-exception-ptr): New.
14968 * c-opts.c (c_common_handle_option): Handle
14969 OPT_fuse_cxa_get_exception_ptr.
14970 * c-common.c (flag_use_cxa_atexit): Update documentation.
14971 (flag_use_cxa_get_exception_ptr): New.
14972 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14973 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14975 (C_COMMON_OVERRIDE_OPTIONS): New.
14977 2006-02-24 Roger Sayle <roger@eyesopen.com>
14979 PR middle-end/24952
14980 * combine.c (try_combine): Explicitly check whether GET_CODE is
14981 a SET or a CLOBBER, instead on checking that it isn't a USE.
14983 2006-02-24 Roger Sayle <roger@eyesopen.com>
14985 * fold-const.c (fold_comparison): New subroutine of fold_binary
14986 containing transformations common to both the equality and
14987 ordering relational operators, factored out of fold_binary.
14988 (fold_binary): Separate out the equality operators (EQ_EXPR
14989 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14990 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14991 transformations common to both.
14992 (fold_div_compare): Fix latent bugs in the previously unreachable
14993 LT_EXPR and GE_EXPR cases.
14995 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14997 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14998 decl libname for clog to __clog on AIX.
15000 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
15002 2006-02-24 Alan Modra <amodra@bigpond.net.au>
15005 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
15006 output traceback table for thunks. Localise rs6000_stack_info call.
15008 2006-02-23 Roger Sayle <roger@eyesopen.com>
15009 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15011 * gthr-posix.h (__gthrw): Fix typo in comment.
15013 2006-02-23 Geoffrey Keating <geoffk@apple.com>
15015 * doc/cpp.texi (Character sets): Document that we do support
15016 input files to be in any character set.
15018 2006-02-23 Jeff Law <law@redhat.com>
15020 * tree.h (PHI_ARG_NONZERO): Remove.
15021 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
15022 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
15023 node to the new node.
15025 PR tree-optimization/26425
15026 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
15027 min/max, then assume its varying.
15029 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15031 PR rtl-optimization/26316
15032 * rtlanal.c (enum may_trap_p_flags): New.
15033 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
15034 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
15035 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
15036 (may_trap_after_code_motion_p): New function.
15037 * loop-invariant.c (find_identical_invariants): Fix dump formating.
15038 (find_invariant_insn): Use may_trap_after_code_motion_p.
15039 * rtl.h (may_trap_after_code_motion_p): Declare.
15041 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15043 * emit-rtl.c (immed_double_const): Cleanup.
15045 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
15047 Fix PR tree-optimization/26376
15048 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
15051 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15053 PR middle-end/26412
15054 * gimplify.c (omp_add_variable): Guard variable size decl test with
15055 DECL_SIZE (decl) check.
15057 2006-02-23 Richard Guenther <rguenther@suse.de>
15059 PR middle-end/26439
15060 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
15061 like aggregate types.
15063 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15065 * configure.ac: Add --with{,out}-long-double-128 configure option.
15066 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
15067 * configure: Rebuilt.
15068 * config.in: Rebuilt.
15069 * doc/install.texi (Options specification): Document
15070 --with-long-double-128.
15072 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15073 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15074 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15075 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15077 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
15079 * config/s390/s390.c (override_options): Handle
15080 TARGET_DEFAULT_LONG_DOUBLE_128.
15082 * config/alpha/alpha.c (override_options): Handle
15083 TARGET_DEFAULT_LONG_DOUBLE_128.
15085 * config/sparc/sparc.c (sparc_override_options): Handle
15086 TARGET_DEFAULT_LONG_DOUBLE_128.
15088 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
15090 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
15091 (real-install-headers-tar, real-install-headers-cpio)
15092 (real-install-headers-cp): New targets.
15094 2006-02-22 Richard Sandiford <richard@codesourcery.com>
15096 * tree.h (variable_section): Delete.
15097 * varasm.c (variable_section): Delete.
15099 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
15101 * install.texi: Add notes on install.texi2html.
15102 (Building in parallel): Do not use footnotes.
15104 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
15107 * doc/install.texi (Configuration): Document --disable-libgomp.
15109 2006-02-21 Geoffrey Keating <geoffk@apple.com>
15111 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
15113 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
15115 * config/i386/sse.md (vec_extractv2df_1_sse): New.
15116 (vec_extractv2df_0_sse): New.
15118 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
15120 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
15121 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
15122 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
15123 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
15124 to the result of the expression.
15125 (def_cfa_1): Adjust.
15126 (frame_pointer_cfa_offset): Rename to...
15127 (frame_pointer_fb_offset): ... this. Adjust all uses.
15128 (convert_cfa_to_loc_list): Rename to...
15129 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
15130 Pass it on to build_cfa_loc.
15131 (compute_frame_pointer_to_cfa_displacement): Rename to...
15132 (compute_frame_pointer_to_fb_displacement): ... this. New
15133 offset parameter. Use it in computation.
15134 (gen_subprogram_die): Compute cfa_fb_offset with the new
15135 macro, and use it to compute the fb loc list and the
15138 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
15140 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
15141 replaced with register_operand.
15142 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
15143 non-DREG is expensive.
15144 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
15145 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
15148 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
15150 * doc/install.texi2html: Use set -e.
15152 2006-02-21 Richard Sandiford <richard@codesourcery.com>
15154 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
15155 (ASM_OUTPUT_SHARED_LOCAL): Delete.
15156 * doc/invoke.texi (-fshared-data): Delete.
15157 * common.opt (fshared-data): Delete.
15158 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
15159 (assemble_static_space): Remove #if 0 code.
15160 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
15161 (ASM_OUTPUT_SHARED_LOCAL): Poison.
15162 * config/cris/cris.h: Remove FIXME.
15164 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
15166 * doc/sourcebuild.texi (Front End Directory): No more double-colon
15169 2006-02-21 Jakub Jelinek <jakub@redhat.com>
15171 PR middle-end/26379
15172 * combine.c (simplify_shift_const_1): Disable nested shifts
15173 optimization for vector shifts.
15175 2006-02-20 Roger Sayle <roger@eyesopen.com>
15177 PR tree-optimization/26361
15178 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
15179 of unsigned integer types.
15181 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
15183 * tree-chrec.c (eq_evolutions_p): New.
15184 * tree-chrec.h (eq_evolutions_p): Declared.
15185 * tree-data-ref.c: Fix formatting.
15186 (datadep_stats, dependence_stats): New.
15188 (print_direction_vector): New.
15189 (dump_data_dependence_relation): Use print_direction_vector.
15190 (object_analysis, create_data_ref): Handle COMPONENT_REF.
15191 (compute_subscript_distance): Static.
15192 (initialize_data_dependence_relation): Static. Get the number
15193 of loops surrounding the references from the callers, and initialize
15194 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
15195 base_object_differ_p analyzers.
15196 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
15197 compute_overlap_steps_for_affine_1_2,
15198 analyze_subscript_affine_affine): Count the classified dependences.
15199 Print a message when a test failed.
15200 (can_use_analyze_subscript_affine_affine): New.
15201 (analyze_siv_subscript): Compute the data dependences on symbolic
15202 scevs that verify can_use_analyze_subscript_affine_affine.
15203 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
15204 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
15205 Handle symbolic scevs.
15206 (analyze_overlapping_iterations): Let symbolic affine scevs to be
15208 (subscript_dependence_tester): Moved...
15209 (build_classic_dist_vector, build_classic_dir_vector): Don't use
15210 lambda_vector_clear on newly allocated vectors. Get nb_loops from
15211 DDR_SIZE_VECT instead of getting it in parameter.
15212 (subscript_dependence_tester): ... here. Take as a parameter
15213 loop_nest_depth. Call build_classic_dist_vector and
15214 build_classic_dir_vector.
15215 (compute_affine_dependence): Update subscript_dependence_tester
15216 parameters. Update datadep_stats counters. Call
15217 compute_subscript_distance.
15218 (compute_self_dependence): Save the dist and dir vectors. Call
15219 compute_subscript_distance.
15220 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
15221 (compute_all_dependences): Reorder parameters as they were before
15222 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
15223 compute_subscript_distance. Update the use of
15224 compute_affine_dependence and initialize_data_dependence_relation.
15225 (find_data_references_in_loop): Handle COMPONENT_REF.
15226 (compute_data_dependences_for_loop): Initialize dependence_stats.
15227 Don't call build_classic_dist_vector and build_classic_dir_vector.
15228 Update the parameters of initialize_data_dependence_relation and
15229 compute_all_dependences. Print the statistics from datadep_stats.
15230 (analyze_all_data_dependences): Static. Not used until the pass for
15231 checking the data dependences is contributed.
15232 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
15233 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
15234 (initialize_data_dependence_relation, compute_affine_dependence,
15235 analyze_all_data_dependences, compute_subscript_distance): Removed.
15236 (print_direction_vector): New.
15237 * lambda.h (gcd): ... here.
15238 (lambda_vector_gcd): Moved here from gcd_vector.
15239 * lambda-code.c (gcd, gcd_vector): Removed.
15240 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
15241 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
15243 2006-02-20 Diego Novillo <dnovillo@redhat.com>
15245 * ipa-type-escape.c: Tidy some comments and white space.
15246 * tree-ssa-operands.c: Likewise.
15248 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
15251 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
15252 (dump_decl_name): Do not walk the decl tree chains.
15253 * tree-pass.h (TDF_CHAIN): Remove.
15255 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15257 * Makefile.in (C): Remove
15259 (.PHONY): Remove C and PROTO
15261 2006-02-20 Roger Sayle <roger@eyesopen.com>
15263 PR middle-end/26236
15264 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
15265 deprecated CHAR_TYPE tree code.
15267 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
15269 * configure.ac (target_list): Add install-info, dvi, html.
15270 * configure: Regenerate.
15272 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
15273 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
15274 treelang/Make-lang.in: Do not use double-colon rules.
15276 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
15278 * tree.h (struct tree_memory_tag): Add is_used_alone member.
15279 (TMT_USED_ALONE): New macro.
15280 * tree-pass.h (PROP_tmt_usage): New property.
15281 (TODO_update_tmt_usage): New todo.
15282 * tree-ssa-alias.c (updating_used_alone): New variable.
15283 (recalculate_used_alone): New function.
15284 (compute_may_aliases): Set updating_used_alone, call
15285 recalculate_used_alone.
15286 * tree-sra.c (pass_sra): Note that this pass destroys
15287 PROP_tmt_usage, and add TODO_update_tmt_usage.
15288 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
15289 * tree-flow.h (updating_used_alone): Prototype.
15290 (recalculate_used_alone): Ditto.
15291 * passes.c (execute_todo): Add code to set updating_used_alone,
15292 and call recalculate.
15293 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
15294 for clobber if used alone, and add assert to verify used_alone
15297 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
15299 * config/s390/s390.c (legitimize_pic_address): Assertions checking
15300 for non tls symbols added.
15301 (legitimize_address): Do nothing for PLUS expressions if one of the
15302 addends is a tls symbol reference.
15304 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
15308 * Makefile.in (LDFLAGS): Define from autoconf substitution.
15310 * Makefile.in (BOOTSTRAPPING): New.
15311 (quickstrap): New definition if BOOTSTRAPPING=yes.
15313 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
15314 * configure.ac: Substitute all_selected_languages with the languages
15315 that were configured. For all the other variables except
15316 lang_specs_files, include all the languages in the tree.
15317 * configure: Regenerate.
15319 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
15320 if there is one. Run the commands to run fixincludes in the same
15323 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
15324 * doc/install.texi: Document exact conventions for searching target tools.
15325 Document --with-build-time-tools. Document toplevel bootstrap. Document
15326 something more about building an Ada cross-compiler. Don't list GNU Make
15327 requirements which affect all platforms.
15329 2006-02-19 Roger Sayle <roger@eyesopen.com>
15331 PR middle-end/19543
15332 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
15333 only equivalent if the have both the same mode and precision.
15335 2006-02-20 Ben Elliston <bje@au.ibm.com>
15337 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
15339 2006-02-19 Roger Sayle <roger@eyesopen.com>
15340 Steven Bosscher <stevenb.gcc@gmail.com>
15342 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
15343 constant pool references to identify stack mode constants.
15344 * rtlanal.c (constant_pool_constant_p): New predicate to check
15345 whether operand is a floating point constant in the pool.
15346 * rtl.h (constant_pool_constant_p): Prototype here.
15347 * loop.c (scan_loop): Avoid hoisting constants from the constant
15348 pool on STACK_REGS targets.
15349 (load_mems): Likewise.
15350 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
15351 loads into x87 registers expensive in terms of register pressure.
15353 2006-02-19 Roger Sayle <roger@eyesopen.com>
15355 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
15356 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
15358 2006-02-19 David Edelsohn <edelsohn@gnu.org>
15360 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15361 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
15363 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
15365 * doc/invoke.texi: Document -fipa-pta.
15366 * common.opt: Add ipa-pta option.
15367 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
15368 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
15369 (do_ds_constraint): Ditto.
15370 (get_constraint_for): Only add to referenced_vars if
15371 referenced_vars exists.
15372 (insert_into_field_list): Rewrite to do this unsorted.
15373 (insert_into_field_list_sorted): Rename old insert_into_field_list
15375 (create_function_info_for): Use insert_into_field_list_sorted.
15376 (create_variable_info_for): Rewrite so it uses unsorted version,
15377 since the field list is sorted.
15378 (intra_create_variable_infos): Only add to referenced_vars if
15379 referenced_vars exists.
15380 (ipa_pta_execute): Init heapvars, and delete when done.
15381 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
15383 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15385 * doc/install.texi: Add missing `@samp'.
15387 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15389 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
15392 2006-02-18 Mark Wielaard <mark@klomp.org>
15394 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
15395 who added new 4.1 features, bug fixes and integration support.
15397 2006-02-18 David Edelsohn <edelsohn@gnu.org>
15400 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
15401 MEM for ABI_V4 pic.
15403 2006-02-18 Richard Sandiford <richard@codesourcery.com>
15405 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
15406 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
15407 (copy_insn_1): Likewise. Don't copy each field individually.
15409 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
15411 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
15412 * rtl.c (rtx_size): Rename variable to...
15413 (rtx_code_size): ...this.
15414 (rtx_size): New function.
15415 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
15416 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
15418 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
15419 * rtl.h (rtx_code_size): New variable.
15420 (rtx_size): Change from a variable to a function.
15421 (RTX_SIZE): Rename to...
15422 (RTX_CODE_SIZE): ...this.
15425 PR tree-optimization/17106
15426 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
15427 (Anchored Addresses): New section.
15428 * doc/invoke.texi (-fsection-anchors): Document.
15429 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
15430 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
15431 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
15432 * hooks.c (hook_bool_mode_rtx_false): New function.
15433 * hooks.h (hook_bool_mode_rtx_false): Declare.
15434 * gengtype.c (create_optional_field): New function.
15435 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
15436 SYMBOL_REF_IN_BLOCK_P is true.
15437 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
15438 (min_anchor_offset, max_anchor_offset): Likewise.
15439 (use_anchors_for_symbol_p): New hook.
15440 * toplev.c (compile_file): Call output_object_blocks.
15441 (target_supports_section_anchors_p): New function.
15442 (process_options): Check that -fsection-anchors is only used on
15443 targets that support it and when -funit-at-a-time is in effect.
15444 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
15445 if the decl doesn't have one.
15446 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
15447 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
15448 of force_const_mem through use_anchored_address.
15449 (expand_expr_constant): New function.
15450 (expand_expr_addr_expr_1): Call it. Use the same modifier when
15451 calling expand_expr for INDIRECT_REF.
15452 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
15453 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
15454 * expr.h (use_anchored_address): Declare.
15455 * loop-unroll.c: Don't declare rtx vectors here.
15456 * explow.c: Include output.h.
15457 (validize_mem): Call use_anchored_address.
15458 (use_anchored_address): New function.
15459 * common.opt (-fsection-anchors): New switch.
15460 * varasm.c (object_block_htab, anchor_labelno): New variables.
15461 (hash_section, object_block_entry_eq, object_block_entry_hash)
15462 (use_object_blocks_p, get_block_for_section, create_block_symbol)
15463 (use_blocks_for_decl_p, change_symbol_section): New functions.
15464 (get_variable_section): New function, split out from assemble_variable.
15465 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
15466 use_blocks_for_decl_p say so. Use change_symbol_section if the
15467 symbol has already been created.
15468 (assemble_variable_contents): New function, split out from...
15469 (assemble_variable): ...here. Don't output any code for
15470 block symbols; just pass them to place_block_symbol.
15471 Use get_variable_section and assemble_variable_contents.
15472 (get_constant_alignment, get_constant_section, get_constant_size): New
15473 functions, split from output_constant_def_contents.
15474 (build_constant_desc): Create a block symbol if use_object_blocks_p
15475 says so. Or into SYMBOL_REF_FLAGS.
15476 (assemble_constant_contents): New function, split from...
15477 (output_constant_def_contents): ...here. Don't output any code
15478 for block symbols; just pass them to place_section_symbol.
15479 Use get_constant_section and get_constant_alignment.
15480 (force_const_mem): Create a block symbol if use_object_blocks_p and
15481 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
15482 (output_constant_pool_1): Add an explicit alignment argument.
15483 Don't switch sections here.
15484 (output_constant_pool): Adjust call to output_constant_pool_1.
15485 Switch sections here instead. Don't output anything for block symbols;
15486 just pass them to place_block_symbol.
15487 (init_varasm_once): Initialize object_block_htab.
15488 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
15489 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
15490 (place_block_symbol, get_section_anchor, output_object_block)
15491 (output_object_block_htab, output_object_blocks): New functions.
15492 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
15493 (TARGET_ASM_OUT): Include it.
15494 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
15495 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
15496 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
15497 (TARGET_INITIALIZER): Include them.
15498 * rtl.c (rtl_check_failed_block_symbol): New function.
15499 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
15500 (block_symbol, object_block): New structures.
15501 (rtx_def): Add a block_symbol field to the union.
15502 (BLOCK_SYMBOL_CHECK): New macro.
15503 (rtl_check_failed_block_symbol): Declare.
15504 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
15505 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
15506 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
15507 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
15508 * output.h (output_section_symbols): Declare.
15509 (object_block): Name structure.
15510 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
15511 (default_use_anchors_for_symbol_p): Declare.
15512 * Makefile.in (RTL_BASE_H): Add vec.h.
15513 (explow.o): Depend on output.h.
15514 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
15515 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15516 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15517 (rs6000_use_blocks_for_constant_p): New function.
15519 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15521 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
15523 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15526 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
15529 2006-02-18 Diego Novillo <dnovillo@redhat.com>
15531 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
15535 2006-02-18 Jakub Jelinek <jakub@redhat.com>
15537 PR middle-end/26334
15538 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
15539 instead of DECL_REGISTER.
15541 2006-02-18 Olivier Hainque <hainque@adacore.com>
15544 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
15546 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15549 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
15550 * opth-gen.awk: Handle Var and InverseMask together.
15551 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
15552 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
15553 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
15554 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15556 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15557 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15558 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15559 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15560 LINUX_DYNAMIC_LINKER): Define.
15561 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15562 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15564 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15565 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15566 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15567 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15568 (TARGET_C99_FUNCTIONS): Don't define.
15569 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15570 GLIBC_DYNAMIC_LINKER.
15571 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15572 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15573 GLIBC_DYNAMIC_LINKER64): Define.
15574 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15575 LINUX_DYNAMIC_LINKER64.
15576 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15577 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15578 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15579 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15580 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15581 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15582 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15583 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15584 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15585 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15586 and LINUX_DYNAMIC_LINKER32.
15587 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15588 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15589 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15590 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15591 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15593 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15594 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15595 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15596 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15597 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15598 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15599 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15600 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15601 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15602 LINUX_DYNAMIC_LINKER): Define.
15603 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15604 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15605 GLIBC_DYNAMIC_LINKER64): Define.
15606 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15607 LINUX_DYNAMIC_LINKER64.
15608 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15609 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15610 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15611 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15612 LINUX_DYNAMIC_LINKER): Define.
15613 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15614 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15615 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15616 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15617 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15618 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15619 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15620 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15621 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15622 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15623 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15624 * doc/invoke.texi (-muclibc): Remove caveat about supported
15627 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15629 * doc/cpp.texi (__TIMESTAMP__): Document.
15631 2006-02-17 Roger Sayle <roger@eyesopen.com>
15633 PR middle-end/25600
15634 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15635 C is one less than the width of X (and related transformations).
15636 * simplify-rtx.c (simplify_unary_operation_1): Transform
15637 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15638 depending on STORE_FLAG_VALUE, were C is one less then the
15641 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15643 Fix PR tree-optimization/26341
15644 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15645 about NAME_MEMORY_TAG's.
15647 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15650 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15651 with hardware float support, and software float support. Add fcpy
15652 alternative to hardware patterns. Add alternatives to copy between
15653 general and floating-point registers to the 32-bit pattern.
15654 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15655 secondary reload to load a QI or HI mode constant into a floating
15657 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15658 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15660 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15663 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15665 (load_macho_picbase_di): Likewise.
15667 2006-02-16 Jeff Law <law@redhat.com>
15669 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15670 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15671 (ssa_name_nonzero_p): Likewise.
15672 (get_value_range): Return NULL if VRP is not running.
15673 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15674 VRP routines do not discover a range.
15675 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15676 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15677 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15678 (tree_expr_nonnegative_p): Similarly.
15679 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15680 (restore_nonzero_vars_to_original_value): Remove.
15681 (unsafe_associative_fp_binop): Remove.
15682 (tree_ssa_dominator_optimize): Remove initialization and
15683 finalization of nonzero_vars and nonzero_vars_stack.
15684 (dom_opt_initialize_block): No longer push marker on
15685 nonzero_vars_stack.
15686 (dom_opt_finalize_block): No longer call
15687 restore_nonzero_vars_to_original_value.
15688 (record_equivalences_from_phis): No longer look for
15689 nonzero PHI arguments.
15690 (cprop_into_successor_phis): No longer propagate nonzero
15691 property into PHI arguments. Lose unused argument. Caller
15693 (record_equivalences_from_stmt): No longer record nonzero
15694 values for SSA_NAMEs.
15695 (lookup_avail_expr): No longer use nonzero_vars.
15697 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15698 for sizetype when sizetype is unsigned.
15700 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15702 PR rtl-optimization/25603
15703 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15704 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15705 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15706 with new meaning of SETS.
15708 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15713 * config/linux.opt: New file.
15714 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15715 LINUX_DYNAMIC_LINKER): Define.
15716 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15717 * config.gcc (*-*-linux*): Define extra_options.
15718 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15719 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15720 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15721 GLIBC_DYNAMIC_LINKER.
15722 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15723 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15724 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15725 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15726 * doc/invoke.texi (GNU/Linux Options): New section.
15728 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15730 * config/sparc/sparc.md (setjmp): Rewrite.
15731 (setjmp_32): Delete.
15732 (setjmp_64): Likewise.
15734 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15736 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15739 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15741 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15744 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15746 PR rtl-optimization/26296
15747 * Makefile.in (loop-invariant.c): Add except.h dependency.
15748 * loop-invariant.c: Include except.h.
15749 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15751 2005-02-16 Paul Brook <paul@codesourcery.com>
15753 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15756 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15758 PR rtl-optimization/25636
15759 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15760 when deciding whether an insn is an initializing insn.
15762 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15764 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15765 (tree_code_size): Ditto.
15766 * tree.h (struct tree_memory_tag): Remove parent_var.
15767 (struct tree_struct_field_tag): New.
15770 (union tree_node): Add sft member.
15771 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15773 (create_sft): Add size and offset argument, set SFT_OFFSET and
15775 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15776 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15777 * tree-flow-inline.h (get_subvar_at): Update for
15778 SFT_OFFSET/SFT_SIZE.
15779 (var_can_have_subvars): Ditto.
15780 (overlap_subvar): Ditto.
15781 * print-tree.c (print_node): Print out interesting things for
15783 * tree-flow.h (struct subvar): Remove offset and size members.
15784 * tree-ssa-operands.c (get_expr_operands): Update for
15785 get_indirect_ref_operands changes.
15786 (get_indirect_ref_operands): Call add_virtual_operand instead of
15787 add_stmt_operand. Only recurse on base var if requested.
15788 (access_can_touch_variable): New function.
15789 (add_stmt_operand): Split virtual operand handling into ...
15790 (add_virtual_operand): Here. Add offset, size, and for_clobber
15791 arguments. Prune alias sets.
15792 (add_call_clobber_ops): Call add_virtual_operand.
15794 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15796 PR middle-end/26300
15797 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15799 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15800 than TREE_CODE as index into omp_clause_num_ops array.
15802 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15804 PR rtl-optimization/26184
15805 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15807 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15808 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15809 must_precede, must_follow and tobe_scheduled.
15812 * opts.c (common_handle_option): Free new_option pointer.
15813 * df-core.c (df_analyze): Free postorder pointer.
15815 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15817 * Makefile.in: Fix the examples about the use of stamps
15819 2006-02-15 Michael Matz <matz@suse.de>
15821 PR middle-end/22275
15823 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15824 influenced by maximum_field_alignment or DECL_PACKED.
15825 (update_alignment_for_field): Ditto.
15826 (place_field): Ditto.
15827 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15830 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15832 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15833 (debug_flow_info): Pass it.
15834 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15835 * bb-reorder.c (reorder_basic_blocks): Likewise.
15836 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15837 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15838 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15839 * gcse.c (gcse_main, bypass_jumps): Likewise.
15840 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15841 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15842 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15843 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15844 * rtl.h (dump_flow_info): Adjust prototype.
15845 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15846 * var-tracking.c (variable_tracking_main): Likewise.
15847 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15848 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15851 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15853 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15856 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15858 PR tree-optimization/26209
15859 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15860 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15862 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15864 2006-02-14 Roger Sayle <roger@eyesopen.com>
15866 PR middle-end/23670
15867 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15868 (X,Y) and the corresponding symmetry related transformations.
15869 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15870 (X,Y) and its symmetry related transformations.
15872 2006-02-14 Roger Sayle <roger@eyesopen.com>
15874 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15877 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15879 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15881 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15884 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15885 support COMDAT group.
15886 * configure: Regenerate.
15888 2006-02-14 Roger Sayle <roger@eyesopen.com>
15890 PR middle-end/26279
15891 PR middle-end/26280
15892 PR middle-end/26283
15893 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15895 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15897 Fix PR tree-optimization/26260
15899 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15901 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15902 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15903 * tree-ssa-structalias.c (create_variable_info_for): Use
15904 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15906 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15908 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15910 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15911 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15912 of the ending condition.
15913 * tree-ssa-loop-manip.c: Include params.h.
15914 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15915 tree_unroll_loop): New functions.
15916 * tree-pass.h (pass_loop_prefetch): Declare.
15917 * loop.c (rest_of_handle_loop_optimize): Test for
15918 -fprefetch-loop-arrays-rtl.
15919 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15920 * timevar.def (TV_TREE_PREFETCH): New timevar.
15921 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15922 pass_loop_prefetch): New.
15923 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15924 (cleanup_tree_cfg_loop): Call scev_reset.
15925 * common.opt (fprefetch-loop-arrays-rtl): Add.
15926 * tree-ssa-loop-prefetch.c: New file.
15927 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15928 (new_temp_expr_table): Initialize expr_vars.
15929 (free_temp_expr_table): Cleanup expr_vars.
15930 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15931 expressions from being merged into one.
15932 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15933 (struct tree_niter_desc): Add control, bound and cmp fields.
15934 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15936 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15937 (tree-cfgcleanup.o): Add SCEV_H dependency.
15938 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15939 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15941 2006-02-14 Richard Guenther <rguenther@suse.de>
15943 PR tree-optimization/26258
15944 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15945 in PHI argument processing.
15947 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15949 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15950 new expression in the requested machine mode.
15952 2006-02-13 Roger Sayle <roger@eyesopen.com>
15954 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15955 directly, instead let do_compare_rtx_and_jump handle this for us.
15956 * expr.c (expand_expr_real_1): Likewise.
15957 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15958 before do_jump_by_parts_greater.
15959 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15960 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15962 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15964 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15966 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15968 PR rtl-optimization/26235
15969 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15970 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15973 2006-02-13 Jeff Law <law@redhat.com>
15975 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15978 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15980 PR middle-end/26092
15981 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15982 twice if decl is a builtin. When trying again, call get_callee_fndecl
15983 first to verify it is still a builtin.
15985 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15987 * dwarf2out.c (base_type_die): Don't add AT_name here.
15988 (subrange_type_die): Don't add AT_name here.
15989 (modified_type_die): Rearrange code flow. Do add AT_name here.
15991 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15993 PR rtl-optimization/26247
15994 PR rtl-optimization/26248
15995 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15997 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15999 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
16000 * config/fixtfdi.c: Likewise.
16001 * config/fixunstfdi.c: Likewise.
16002 * config/floatditf.c: Likewise.
16004 2006-02-13 Roger Sayle <roger@eyesopen.com>
16006 PR middle-end/24427
16007 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
16008 into (X,C2) if C1 is a subset of the bits of C2. Transform
16009 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
16011 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
16013 2006-02-13 Josh Conner <jconner@apple.com>
16016 * varasm.c (function_section): Check for section name before
16017 calling select_section on targets that define
16018 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
16019 unlikely_text_section instead of hot_function_section if
16020 first_function_block_is_cold.
16022 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
16024 PR middle-end/25335
16025 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
16027 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16029 PR rtl-optimization/26222
16030 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
16031 after tree->rtl expansion.
16032 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
16033 before passing it to emit_move_insn.
16035 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
16037 * doc/invoke.texi (-Write-strings): Document that it is enabled by
16039 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
16040 Clarify documentation.
16041 * c-common.h (warn_write_strings): Remove.
16042 * c-common.c (warn_write_strings): Likewise.
16043 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
16046 2006-02-12 Roger Sayle <roger@eyesopen.com>
16048 PR middle-end/25724
16049 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
16050 (do_jump_parts_zero_rtx): New function renamed from
16051 do_jump_parts_equality_rtx. Made static. Add a mode argument.
16052 (do_jump_parts_equality_rtx): New function split out from
16053 do_jump_parts_equality. Old implementation renamed as above.
16054 Call do_jump_parts_zero_rtx if either operand is zero.
16055 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
16056 do all of the heavy lifting.
16057 (do_compare_rtx_and_jump): Handle multi-word comparisons by
16058 calling either do_jump_by_parts_greater_rtx or
16059 do_jump_by_parts_equality_rtx.
16060 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
16061 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
16062 moved to do_compare_rtx_and_jump, call it directly.
16063 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
16064 mode argument. Call do_compare_rtx_and_jump.
16065 (emit_case_nodes): Update calls to do_jump_if_equal.
16067 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16069 PR rtl-optimization/26225
16070 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
16072 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16074 PR rtl-optimization/26232
16075 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
16077 2006-02-11 Jason Merrill <jason@redhat.com>
16080 * tree-inline.c (declare_return_variable): Just don't use the
16081 modify target if it's a gimple complex reg and the return slot
16084 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16086 * doc/contrib.texi: Update my entry.
16088 2006-02-10 Geoffrey Keating <geoffk@apple.com>
16090 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
16092 2006-02-10 Diego Novillo <dnovillo@redhat.com>
16094 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
16097 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
16099 * doc/invoke.texi (-floop-optimize2): Removed.
16100 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
16101 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
16102 Test flag_branch_on_count_reg only if HAVE_doloop_end.
16103 * common.opt (floop-optimize2): Removed.
16104 (fmove-loop-invariants): Enabled by default.
16106 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
16108 * tree-if-conv.c (combine_blocks): Free the result of
16109 get_loop_exit_edges.
16111 2006-02-10 Jeff Law <law@redhat.com>
16113 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
16115 PR tree-optimization/26213
16116 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
16117 loop trying to follow SSA_NAME_VALUE chains.
16119 2006-02-10 Richard Guenther <rguenther@suse.de>
16121 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
16122 deal with structures that end in implicitly variable sized arrays.
16124 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
16126 PR rtl-optimization/24762
16127 * df-scan.c (df_bb_refs_record): Record correct registers defined on
16130 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
16132 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
16133 (struct ivopts_data): Add regs_used field.
16134 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
16135 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
16136 instead of loop_data->regs_used;
16137 (free_loop_data): Do not free aux fields for loops.
16138 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
16139 and tree_ssa_iv_optimize_finalize.
16141 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
16143 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
16145 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
16148 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
16149 computing the effective result type.
16151 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
16153 PR inline-asm/16194
16154 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
16155 (tree_overlaps_hard_reg_set): Declare.
16156 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
16157 type and signature to match function type expected by walk_tree.
16158 (tree_overlaps_hard_reg_set): New function.
16159 (decl_conflicts_with_clobbers_p): Rename to:
16160 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
16161 Use tree_overlaps_hard_reg_set. Changed caller.
16162 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
16163 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
16164 * cris.c (cris_md_asm_clobbers): Likewise.
16166 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
16168 * reload1.c (emit_input_reload_insns): Delete code that tries to
16169 inherit using find_equiv_reg.
16171 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
16173 * c-common.h (flag_const_strings): Don't declare.
16174 * c-common.c (flag_const_strings): Remove.
16175 * c.opt (fconst_strings): Remove.
16176 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
16177 <OPT_Wwrite_strings>: Don't set flag_const_strings.
16178 (c_common_init_options): Don't set flag_const_strings.
16179 * doc/invoke.texi (-fno-const-strings): Remove documentation.
16181 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
16183 * arm.md (tlobits_cbranch): New pattern.
16184 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
16185 testing a single bit.
16187 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16190 * tree-ssa-pre.c (create_component_ref_by_pieces):
16191 Handle RETURN_DECL like VAR_DECL.
16193 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16195 PR middle-end/26134
16196 * fold-const.c (fold_indirect_ref_1): Fold
16197 "*(foo *)&complexfoo" to "__real__ complexfoo"
16198 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
16200 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16202 * tree-flow-inline.h (var_can_have_subvars):
16203 Volatile variables should not have subvariables.
16205 2006-02-09 Diego Novillo <dnovillo@redhat.com>
16208 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
16209 multiplying unsigned values.
16212 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
16214 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
16216 2006-02-08 Jason Merrill <jason@redhat.com>
16219 * tree.def: Elaborate on difference from MODIFY_EXPR.
16220 * doc/c-tree.texi (INIT_EXPR): Likewise.
16221 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
16222 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
16223 (gimplify_target_expr): Likewise.
16224 (gimplify_cond_expr): Remove target handling.
16225 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
16226 (gimplify_expr): Clobber it here.
16227 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
16228 Do return slot optimization if we have an INIT_EXPR.
16231 * tree-inline.c (declare_return_variable): Also clear
16232 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
16235 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
16237 PR middle-end/22439
16238 * gimplify.c (gimplify_one_sizepos): Fix typo.
16240 2006-02-08 Jeff Law <law@redhat.com>
16242 PR tree-optimization/21417
16243 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
16244 across a backedge if the control statement at the end of the
16245 block is data dependent on other statements in the same block.
16246 (record_temporary_equivalences_from_stmts): Remove over-conservative
16247 test for threading across backedges.
16249 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
16250 control statement, handle all three special cases in the same
16251 manner as they all have the same desired solution. No longer
16252 special case edge flag updating when the post dominator is
16255 2006-02-08 Roger Sayle <roger@eyesopen.com>
16257 * tree.def (CHAR_TYPE): Remove.
16258 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
16259 * dwarf2out.c (base_type_die, is_base_type): Likewise.
16260 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
16261 (gen_string_type_die): Delete unreachable function.
16263 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
16264 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
16265 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
16266 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
16267 * builtins.c (type_to_class): Likewise.
16268 * fold-const.c (fold_convert, build_range_check,
16269 merge_ranges): Likewise.
16270 * expr.c (count_type_elements): Likewise.
16271 * c-pretty-print.c (pp_c_type_specifier): Likewise.
16272 * stor-layout.c (layout_type): Likewise.
16273 * ipa-type-escape.c (type_to_consider): Likewise.
16274 * gimplify.c (omp_firstprivatize_type_sizes,
16275 gimplify_type_sizes): Likewise.
16276 * explow.c (promote_mode): Likewise.
16277 * tree-sra.c (is_sra_scalar_type): Likewise.
16278 * varasm.c (output_constant): Likewise.
16279 * tree-inline.c (remap_type_1): Likewise.
16280 * convert.c (convert_to_pointer, convert_to_real,
16281 convert_to_integer, convert_to_complex): Likewise.
16283 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
16285 * df-scan.c (df_def_record_1): A set destination may
16286 be a parallel regardless of mode.
16288 2006-02-08 Roger Sayle <roger@eyesopen.com>
16291 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
16292 * config/mips/_tilib.c: Remove.
16293 * config/fixtfdi.c: New libgcc source file.
16294 * config/fixunstfdi.c: New source file.
16295 * config/floatditf.c: New source file.
16296 * config/floatunditf.c: New souce file.
16297 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
16298 files above instead of config/mips/_tilib.c.
16299 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
16301 2006-02-08 Jeff Law <law@redhat.com>
16303 PR tree-optimization/26169
16304 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
16307 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
16309 * df.h (DF_REG_SIZE): Return the length of the initialized
16312 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
16314 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
16315 __muldf3): Return a correctly signed zero.
16317 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
16319 * passes.c (register_one_dump_file): Accept the current properties
16320 instead of pass number. Adjust call to dump_register. Remove
16322 (register_dump_files): Now a wrapper around...
16323 (register_dump_files_1): ... this one. Do not modify the pass
16325 (next_pass_1): Cosmetic fix.
16326 (execute_todo): Keep second parameter only. Use curr_properties
16327 instead of fetching it from the pass structure. Check and set
16329 (execute_one_pass): Handle TODO_set_props. Use curr_properties
16330 instead of fetching it from the pass structure. Fix calls to
16331 execute_todo. Update curr_properties and initialize .vcg RTL dump
16332 after running the pass. Reset last_verified.
16333 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
16335 (FIRST_AUTO_NUMBERED_DUMP): New.
16336 (dump_register): Remove "num" parameter, assign it within the
16338 (get_dump_file_name): Modify template for dumps.
16339 * tree-dump.h (dump_register): Adjust prototype.
16340 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
16341 (PROP_trees): Add PROP_gimple_lomp.
16342 (TODO_set_props): New.
16343 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
16344 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
16345 * cfgexpand.c (pass_expand): Destroy PROP_trees.
16347 2006-02-08 Jakub Jelinek <jakub@redhat.com>
16349 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
16350 (sparc64-*-linux*): Likewise.
16351 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
16352 * config/sparc/t-linux: New file.
16353 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
16354 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
16355 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
16356 -m32 -mlong-double-128.
16358 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
16359 * config/alpha/t-linux: New file.
16360 * config/alpha/libgcc-alpha-ldbl.ver: New file.
16362 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
16363 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
16364 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
16365 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
16366 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
16367 (CPP_ARCH32_SPEC): Remove.
16369 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
16371 PR tree-optimization/26145
16372 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
16375 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16378 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
16379 >= 240000 when generating code for SOM runtime.
16380 (output_indirect_call): Don't use "b,l" instruction for indirect calls
16381 to $$dyncall when generating code for SOM runtime..
16383 2006-02-07 Dirk Mueller <dmueller@suse.com>
16386 * doc/invoke.texi (-Wsequence-point): Update documentation
16387 that -Wsequence-point is implemented for C++ as well.
16389 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16391 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
16392 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
16393 (LIB_SPEC): Likewise.
16394 * doc/invoke.texi (SPARC options): Document -pthread.
16396 2006-02-07 Geoffrey Keating <geoffk@apple.com>
16398 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
16401 2006-02-07 Roger Sayle <roger@eyesopen.com>
16403 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
16404 Correct comment describing BOOLEAN_TYPE.
16406 2006-02-07 Dirk Mueller <dmueller@suse.com>
16408 * c.opt: C++ frontend supports -Wdiv-by-zero.
16409 * c-opts.c (c_common_handle_option): Remove dead case.
16411 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16413 * configure.ac (TLS assembler check): Do not enable TLS by
16414 default on SPARC/Solaris before version 10.
16415 * configure: Regenerate.
16417 2006-02-07 David Edelsohn <edelsohn@gnu.org>
16419 * doc/invoke.texi (xl-compat): Document conversion and support
16422 2006-02-07 Jeff Law <law@redhat.com>
16424 * tree-vrp.c (find_conditional_asserts): Update comments.
16425 (simplify_stmt_for_jump_threading): New.
16426 (identify_jump_threads, finalize_jump_threads): New.
16427 (vrp_finalize): Call identify_jump_threads.
16428 (execute_vrp): Call finalize_jump_threads.
16429 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
16430 (vrp_element, vrp_data, vrp_element_p): Remove.
16431 (vrp_hash_elt, vrp_variables_stack): Remove.
16432 (vrp_hash, vrp_eq, record_range): Remove.
16433 (simplify_cond_and_lookup_avail_expr): Remove.
16434 (extract_range_from_cond): Remove.
16435 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
16436 (simplify_stmt_for_jump_threading): New.
16437 (dom_thread_across_edge): New wrapper.
16438 (tree_ssa_dominator_optimize): No longer initialize or
16439 finalize any of the VRP datastructures. Remove iteration
16440 step and simplify as a result of removal of iteration step.
16441 (pass_dominator): Perform a cfg cleanup after DOM.
16442 (dom_opt_finalize_block): Use the new common routines
16443 for threading jumps. Simplify stack management slightly.
16444 No longer need to unwind VRP state.
16445 (record_equivalences_from_incoming_edge): No longer record
16447 (eliminate_redundant_computations): No longer call
16448 simplify_cond_and_lookup_avail_expr.
16449 * tree-flow.h (potentially_threadable_block): Prototype.
16450 (thread_across_edge): Likewise.
16451 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
16452 (tree-ssa-threadedge.o): Add dependencies.
16453 * tree-ssa-threadedge.c: New file.
16454 * passes.c (init_optimization_passes): Merge PHIs before
16455 calling VRP. Run VRP again late in the SSA optimization pipeline.
16457 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16459 * df-core.c (df_set_blocks): Do not dereference function pointers.
16460 (df_finish1): Likewise.
16461 (df_hybrid_search_forward): Likewise.
16462 (df_hybrid_search_backward): Likewise.
16463 (df_iterative_dataflow): Likewise.
16464 (df_analyze_problem): Likewise.
16465 (df_compact_blocks): Likewise.
16466 (df_dump): Likewise.
16467 * df-scan.c (df_rescan_blocks): Likewise.
16468 (df_record_entry_block_defs): Likewise.
16470 * genconditions.c (write_conditions): Guard the definition of
16471 'insn_conditions' with the check on GCC version.
16472 (write_writer): Guard the traversal 'insn_conditions' with
16473 the check on GCC version.
16475 2006-02-07 Richard Guenther <rguenther@suse.de>
16479 2006-01-30 Richard Guenther <rguenther@suse.de>
16481 * gimplify.c (gimplify_target_expr): Handle easy cases
16482 without creating a temporary.
16484 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
16486 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
16487 use of float in probability computations. Use edge probabilities
16488 in place of statically computed probabilities.
16489 (min_spec_prob): New static variable.
16490 (schedule_insns): Initialize it.
16491 (GET_SRC_PROB): Removed.
16492 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
16494 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
16497 * config/ia64/unwind-ia64.c: Revert last change.
16498 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
16499 (INCOMING_FRAME_SP_OFFSET): Define.
16501 2006-02-06 Roger Sayle <roger@eyesopen.com>
16503 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
16505 2006-02-07 Ben Elliston <bje@au.ibm.com>
16507 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
16508 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
16509 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
16510 (ix86_return_in_memory): Handle TDmode.
16511 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
16512 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
16514 2006-02-06 Richard Sandiford <richard@codesourcery.com>
16516 * reorg.c (dbr_schedule): Use dump_file instead of file.
16518 2006-02-06 Steve Ellcey <sje@cup.hp.com>
16521 * config/ia64/predicates.md (extr_len_operand): New predicate.
16522 * config/ia64/ia64.md (extv): Tighten constraints.
16524 (*tbit_and_2): Ditto.
16525 (*tbit_and_3): Ditto.
16526 (*tbit_or_2): Ditto.
16527 (*tbit_or_3): Ditto.
16528 (*bit_zero): Ditto.
16531 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
16534 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
16536 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
16538 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
16539 loop_optimizer_init and loop_optimizer_finalize
16540 * tree-ssa-sink.c (execute_sink_code): Ditto.
16541 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16542 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
16543 tree_ssa_loop_done): Ditto.
16544 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
16545 * sched-ebb.c: Include output.h.
16546 (schedule_ebbs): Do not use dump argument.
16547 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
16548 * loop.c (loop_dump_stream): Removed.
16549 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
16551 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
16552 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
16553 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
16554 loop_iterations, strength_reduce, record_biv, record_giv,
16555 final_giv_value, check_final_value, check_ext_dependent_givs,
16556 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16557 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16558 dump_file instead of loop_dump_stream.
16559 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16560 argument dump_file.
16561 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16563 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16564 * haifa-sched.c: Include output.h
16565 (schedule_insns, sched_init): Do not use dump argument.
16566 * mode-switching.c (optimize_mode_switching): Ditto.
16567 * modulo-sched.c (stats_file): Removed.
16568 (print_node_sched_params): Do not call argument dump_file.
16569 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16570 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16572 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16574 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16575 rtl_loop_init, rtl_loop_done): Ditto.
16576 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16577 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16579 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16580 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16581 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16582 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16583 * emit-rtl.c (renumber_insns): Ditto.
16584 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16585 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16586 * regclass.c (regclass): Ditto.
16587 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16588 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16589 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16590 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16592 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16593 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16595 * gcse.c (gcse_file, debug_stderr): Removed.
16596 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16597 rest_of_handle_gcse): Do not use dump argument.
16598 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16599 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16600 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16601 compute_code_hoist_vbeinout, compute_code_hoist_data,
16602 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16603 compute_store_table, build_store_vectors, insert_insn_start_bb,
16604 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16605 store_motion): Use dump_file instead of gcse_file.
16606 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16607 * profile.c (profile_dump_file): Removed.
16608 (branch_prob): Use dump_file instead of profile_dump_file.
16609 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16611 * tree-ssa-copy.c (dump_copy_of): Ditto.
16612 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16613 dump file to life_analysis.
16614 * bt-load.c (branch_target_load_optimize): Ditto.
16615 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16617 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16618 regclass, dbr_schedule): Declaration changed.
16619 * sched-int.h (sched_init): Declaration changed.
16620 * tree-profile.c (tree_profile_dump_file): Removed.
16621 (tree_profile_hooks): Removed profile_dump_file hook.
16622 * rtl-profile (rtl_profile_dump_file): Removed.
16623 (rtl_profile_hooks): emoved profile_dump_file hook.
16624 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16626 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16627 * tree-cfg.c (build_tree_cfg): Ditto.
16628 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16629 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16630 Declaration changed.
16631 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16632 life_analysis and schedule_insns.
16633 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16635 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16637 * config/mips/mips.c (mips_reorg): Ditto.
16638 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16641 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16643 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16644 (s390_mangle_fundamental_type): New.
16645 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16648 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16649 (alpha_mangle_fundamental_type): New.
16650 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16653 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16655 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16657 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16658 (sparc_mangle_fundamental_type): New.
16660 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16662 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16663 (s390x-*-linux*): Likewise.
16664 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16665 * config/s390/t-linux: New file.
16667 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16669 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16670 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16672 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16674 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16675 (ANTIC_SAFE_LOADS): New macro.
16676 (find_or_generate_expression): Add prototype.
16677 (set_contains_value): Allow null set for sake of not always having
16678 to allocate ANTIC_SAFE_LOADS.
16679 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16680 Allow COMPONENT_REF too.
16681 (valid_in_set): Allow COMPONENT_REF.
16682 Check ANTIC_SAFE_LOADS too.
16683 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16684 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16686 (can_PRE_operation): Add COMPONENT_REF.
16687 (create_component_ref_by_pieces): New function.
16688 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16689 (insert_aux): Move AGGREGATE_TYPE_P check here.
16690 (compute_avail): Set bb local stmt uids.
16691 (pass_pre): Use TODO_update_ssa_only_virtuals.
16693 2006-02-06 Ben Elliston <bje@au.ibm.com>
16695 * configure.ac: Unconditionally disable decimal float by default.
16696 * configure: Regenerate.
16698 2006-02-06 Ben Elliston <bje@au.ibm.com>
16700 * read-rtl.c (read_name): Terminate reading on EOF.
16702 2006-02-06 Ben Elliston <bje@au.ibm.com>
16704 * dfp.c (decimal_real_arithmetic): Change second argument type
16705 from int to enum tree_code. Do not always return true, but now
16706 return result of any call to decimal_do helper functions.
16707 * dfp.h (decimal_real_arithmetic): Update prototype.
16709 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16711 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16713 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16716 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16719 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16721 * tree-vrp.c (cfg_loops): Removed.
16722 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16723 Use current_loops instead of cfg_loops. Pass flags to
16724 loop_optimizer_init.
16725 * cfgloopmanip.c (fix_loop_structure): Update only available
16727 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16728 loop_optimizer_init.
16729 * modulo-sched.c (build_loops_structure): Removed.
16730 (sms_schedule): Use loop_optimizer_init.
16731 * loop-init.c (loop_optimizer_init): Use flags to determine
16732 which properties of loops to prepare.
16733 (rtl_loop_init): Pass flags to loop_optimizer_init.
16734 * tree-ssa-sink.c (execute_sink_code): Ditto.
16735 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16736 * tree-ssa-pre.c (init_pre): Ditto.
16737 * cfgloop.h (LOOPS_NORMAL): New.
16738 (loop_optimizer_init): Declaration changed.
16740 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16742 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16743 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16745 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16747 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16749 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16750 * pa/t-pa64: Delete quadlib.c rule.
16751 * pa/x-ada: Revert last change.
16752 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16754 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16756 PR rtl-optimization/26087
16757 * rtlanal.c (canonicalize_condition): Do not cross basic block
16760 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16763 * config/ia64/ia64.c: Include debug.h.
16764 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16765 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16766 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16767 (process_epilogue, process_set, process_for_unwind_directive):
16768 Output unwind info only if requested. Add CFA info if requested.
16769 Add new arguments as needed. Adjust callers.
16770 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16772 (DWARF2_FRAME_INFO): Define to zero.
16773 * config/ia64/unwind-ia64.c: Remove code that compensated for
16774 the CFA offset error fixed above.
16775 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16776 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16777 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16778 -funwind-tables and -fexceptions to enable frame info.
16779 (dwarf2out_frame_init): Define initial CFA even if
16780 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16781 DWARF2_UNWIND_INFO is nonzero, not just defined.
16782 (dwarf2out_frame_finish): Output non-EH call frame info only
16783 if DWARF2_FRAME_INFO is nonzero.
16784 (convert_cfa_to_loc_list,
16785 compute_frame_pointer_to_cfa_displacement): Define even if
16786 unwind info is not supported.
16787 (gen_subprogram_die): Use the above unconditionally. Remove
16788 legacy alternate code.
16789 * toplev.c (compile_file): Compile in call to
16790 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16791 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16793 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16794 Jakub Jelinek <jakub@redhat.com>
16796 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16797 IBM extended float format long double as "g" on powerpc*-linux.
16799 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16802 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16803 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16805 2006-02-03 Jason Merrill <jason@redhat.com>
16808 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16810 PR middle-end/25977
16811 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16812 on the return slot if it's an NRV.
16814 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16816 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16817 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16818 rewrite_use): Do not handle USE_OUTER.
16819 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16820 add_iv_outer_candidates, may_replace_final_value,
16821 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16822 (find_interesting_uses_op): Functionality of
16823 find_interesting_uses_outer_or_nonlin moved here.
16824 (find_interesting_uses_outside): Use find_interesting_uses_op.
16826 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16829 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16831 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16832 Ulrich Weigand <uweigand@de.ibm.com>
16835 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16836 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16837 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16838 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16840 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16841 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16842 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16843 Define secondary reloads for TFmode moves.
16844 (constant_modes): Add TFmode.
16845 (NR_C_MODES): Set to 8.
16846 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16848 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16849 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16850 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16851 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16852 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16853 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16854 (FPR mode macro): Add TFmode.
16855 (DSF mode macro): New.
16856 (<de>, <dee> mode attributes): Removed.
16857 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16858 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16859 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16860 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16861 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16862 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16863 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16864 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16865 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16866 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16867 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16868 "*negabs<mode>2", "sqrt<mode>2"):
16869 Changed <de> to <xde>. R constraint replaced by <Rf>.
16870 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16872 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16873 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16874 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16876 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16877 "extenddftf2", "extendsftf2"): New expanders.
16878 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16879 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16880 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16881 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16883 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16884 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16885 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16886 __floatditf): Add a GCC_4.1.0 symbol version tag.
16887 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16890 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16893 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16894 Use targetm.binds_local_p instead of TREE_PUBLIC.
16896 2006-02-02 Roger Sayle <roger@eyesopen.com>
16898 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16899 on INTEGER_TYPEs to indicate that it denotes a character type.
16900 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16901 signed_char_type_node, unsigned_char_type_node and char_type_node.
16902 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16903 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16904 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16906 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16907 Daniel Berlin <dberlin@dberlin.org>
16909 * tree-tailcall.c (arg_needs_copy_p): New function.
16910 (eliminate_tail_call): Use arg_needs_copy_p.
16911 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16912 (add_virtual_phis): New function.
16914 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16916 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16917 #ignore instead of #scratch for %g7 .register directive.
16919 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16921 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16924 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16926 * flow.c (calculate_global_regs_live): Assert that there aren't any
16929 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16931 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16932 what its name says.
16933 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16934 bsi_after_labels iterator.
16935 * tree-if-conv.c (find_phi_replacement_condition,
16936 replace_phi_with_cond_modify_expr): Likewise.
16937 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16938 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16940 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16942 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16944 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16947 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16948 array after growing it.
16950 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16952 PR middle-end/24901
16953 * fold-const.c (fold_checksum_tree): Change type of buf.
16955 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16957 * reload.c (push_secondary_reload): Initialize t_icode.
16959 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16961 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16962 -msoft-float -mlong-double-128 only issue a warning, but don't
16963 swich to DFmode long double.
16965 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16967 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16968 has a constant equivalent, iterate over equivalents for arg0,
16969 calling simplify_relational_operation and if there's a result
16970 cheaper than X, apply fold_rtx and return the result.
16972 2006-02-01 Jan Hubicka <jh@suse.cz>
16974 * opts.c (no_unit_at_a_time_default): New global variable.
16975 (decode_options): Use it.
16976 * opts.h (no_unit_at_a_time_default): Declare.
16978 2006-02-01 Paul Brook <paul@codesourcery.com>
16980 * function.c (assign_parm_setup_reg): Use function argument promotion
16982 * expr.c (expand_expr_real_1): Use function argument promotion rules
16985 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16987 * gcc.c (process_command): Change j to 'unsigned int'.
16989 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16991 PR middle-end/26001
16992 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16993 Use the corrected index for the character
16994 out of the string constant.
16996 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16998 * mode-switching.c (optimize_mode_switching): Fix size
16999 allocated for bb_info[n_entities].
17001 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17003 * gcc.c (main): Correct type that is allocated for
17004 explicit_link_files.
17006 2006-01-31 Jakub Jelinek <jakub@redhat.com>
17008 * config/s390/s390.c (init_alignment_context): Set
17009 ALIAS_SET_MEMORY_BARRIER on the MEM.
17010 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
17012 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
17014 PR middle-end/25933
17015 * loop-unroll.c (unroll_loop_runtime_iterations): Free
17017 * tree-ssa-live.c (type_var_init): Allocate bitmap after
17020 2006-01-31 Marcin Dalecki <martin@dalecki.de>
17022 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
17023 * regrename.c: Ditto.
17024 * tree-ssa-loop-im.c: Ditto.
17025 * tree-dump.c: Ditto.
17026 * tree-complex.c: Ditto.
17027 * genrecog.c: Ditto.
17028 * tree-ssa-threadupdate.c: Ditto.
17030 * java/class.c: Ditto.
17031 * java/jcf-parse.c: Ditto.
17032 * java/resource.c: Ditto.
17033 * java/except.c: Ditto.
17034 * java/jvspec.c: Ditto.
17035 * java/jcf-write.c: Ditto.
17036 * java/jcf-path.c: Ditto.
17037 * java/gjavah.c: Ditto.
17038 * java/zextract.c: Ditto.
17039 * java/jcf-io.c: Ditto.
17040 * java/jcf.h: Ditto.
17041 * java/buffer.c: Ditto.
17042 * java/lang.c: Ditto.
17043 * java/parse-scan.y: Ditto.
17044 * java/lex.c: Ditto.
17045 * java/lex.h: Ditto.
17046 * cfgloopmanip.c: Ditto.
17047 * postreload-gcse.c: Ditto.
17048 * tree-ssa-loop-manip.c: Ditto.
17049 * postreload.c: Ditto.
17050 * tree-ssa-loop-ch.c: Ditto.
17053 * cppspec.c: Ditto.
17054 * diagnostic.c: Ditto.
17056 * genoutput.c: Ditto.
17058 * cfghooks.c: Ditto.
17059 * cfgloopanal.c: Ditto.
17060 * objc/objc-act.c: Ditto.
17062 * genextract.c: Ditto.
17063 * genautomata.c: Ditto.
17064 * pretty-print.c: Ditto.
17065 * genemit.c: Ditto.
17066 * cgraphunit.c: Ditto.
17068 * df-scan.c: Ditto.
17069 * haifa-sched.c: Ditto.
17070 * dominance.c: Ditto.
17072 * tree-ssa-loop-ivopts.c: Ditto.
17073 * df-core.c: Ditto.
17074 * mode-switching.c: Ditto.
17075 * modulo-sched.c: Ditto.
17077 * ipa-pure-const.c: Ditto.
17079 * fix-header.c: Ditto.
17081 * tree-stdarg.c: Ditto.
17082 * ipa-utils.c: Ditto.
17083 * loop-init.c: Ditto.
17084 * ipa-inline.c: Ditto.
17085 * cfganal.c: Ditto.
17087 * alloc-pool.c: Ditto.
17088 * dwarf2out.c: Ditto.
17090 * genattrtab.c: Ditto.
17091 * tree-ssa-loop-ivcanon.c: Ditto.
17092 * predict.c: Ditto.
17093 * timevar.c: Ditto.
17095 * fortran/gfortranspec.c: Ditto.
17096 * regmove.c: Ditto.
17097 * local-alloc.c: Ditto.
17098 * langhooks.c: Ditto.
17099 * function.c: Ditto.
17100 * tree-vectorizer.c: Ditto.
17102 * ipa-type-escape.c: Ditto.
17104 * tree-if-conv.c: Ditto.
17105 * profile.c: Ditto.
17107 * tree-data-ref.c: Ditto.
17108 * loop-unroll.c: Ditto.
17109 * treelang/treetree.c: Ditto.
17111 * bt-load.c: Ditto.
17112 * ggc-common.c: Ditto.
17114 * coverage.c: Ditto.
17116 * tree-cfgcleanup.c: Ditto.
17117 * tree-ssa-pre.c: Ditto.
17118 * cfgcleanup.c: Ditto.
17119 * loop-invariant.c: Ditto.
17120 * loop-iv.c: Ditto.
17121 * ipa-prop.c: Ditto.
17122 * print-tree.c: Ditto.
17123 * conflict.c: Ditto.
17124 * ggc-page.c: Ditto.
17125 * sched-deps.c: Ditto.
17126 * regclass.c: Ditto.
17127 * tree-object-size.c: Ditto.
17128 * combine.c: Ditto.
17129 * bb-reorder.c: Ditto.
17130 * resource.c: Ditto.
17131 * var-tracking.c: Ditto.
17132 * cfgloop.c: Ditto.
17133 * df-problems.c: Ditto.
17134 * reg-stack.c: Ditto.
17136 * gccspec.c: Ditto.
17137 * sched-rgn.c: Ditto.
17138 * tree-ssa-structalias.c: Ditto.
17139 * tree-ssa-reassoc.c: Ditto.
17140 * config/darwin-c.c: Ditto.
17141 * config/darwin.c: Ditto.
17142 * config/arm/arm.c: Ditto.
17144 * collect2.c: Ditto.
17145 * reload1.c: Ditto.
17147 2006-01-31 Nicolas Pitre <nico@cam.org>
17149 * arm.md (smaxsi3): Make aware of smax_m1.
17152 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
17154 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
17156 2006-01-31 Richard Guenther <rguenther@suse.de>
17158 * doc/invoke.texi (-msselibm): Document.
17159 * target.h (expand_library_builtin): New target hook.
17160 * builtins.c (expand_builtin): Use expand_library_builtin.
17161 (default_expand_library_builtin): New function.
17162 * gcc.c (LINK_GCC_MATH_SPEC): Define.
17163 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
17164 (link_gcc_math_spec): Declare.
17165 (static_specs): Add link_gcc_math_spec.
17166 * expr.h (default_expand_library_builtin): Declare.
17167 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
17168 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
17169 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
17170 * config/i386/i386.opt (msselibm): New target option.
17171 * config/i386/i386.c (ix86_builtin_function_variants): New array.
17172 (ix86_init_sse_abi_builtins): New function.
17173 (ix86_expand_library_builtin): Likewise.
17174 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
17175 (override_options): Handle error conditions wrt -msselibm.
17176 (ix86_builtins): Add function codes for SSE2 ABI builtins.
17177 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
17178 * doc/extend.texi (__builtin_sse2_*): Document new target specific
17181 2006-01-31 Richard Guenther <rguenther@suse.de>
17182 Paolo Bonzini <bonzini@gnu.org>
17184 * doc/install.texi (--disable-libgcc-math): Document.
17186 2006-01-30 Marcin Dalecki <martin@dalecki.de>
17188 * expr.h (expand_normal): new inline function.
17189 * builtins.c: use it, use EXPAND_NORMAL explicitely.
17190 * dojump.c: use it.
17191 * dwarf2out.c: use it.
17194 * expmed.c: use it.
17195 * except.c: use it.
17196 * config/sparc/sparc.c: use it.
17197 * config/i386/i386.c: use it.
17198 * config/rs6000/rs6000.c: use it.
17199 * config/arm/arm.c: use it.
17200 * config/mips/mips.c: use it.
17201 * stmt.c: use it, use EXPAND_NORMAL explicitely.
17203 2006-01-30 Roger Sayle <roger@eyesopen.com>
17205 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
17206 argv to the appropriate type.
17208 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
17210 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
17213 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
17216 * config/s390/s390.c (struct machine_function): New flag
17217 decomposed_literal_pool_addresses_ok_p.
17218 (s390_reorg): Set it before final stage of literal pool transforms.
17219 (s390_decompose_address): Only accept displacements of the form
17220 (minus (label_ref ...) (label_ref ...)) if that flag is set.
17222 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
17224 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
17225 the comparison routine return.
17227 2006-01-30 Michael Matz <matz@suse.de>
17229 * global.c (find_reg): Only evict for global regs.
17230 Take n_refs into account and dump more info.
17232 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
17235 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
17236 (pragma_trap, pragma_nosave_low_regs): Likewise.
17237 (current_function_anonymous_args): Likewise.
17238 (sh_deferred_function_attributes): New variable.
17239 (sh_deferred_function_attributes_tail): Likewise.
17240 (print_operand): For '@', look up trap_exit attribute.
17241 (calc_live_regs): Look up trapa_handler attribute. For trapa
17242 handlers, save/restore fpscr, but don't do any other
17243 interrupt-specific saves.
17244 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
17245 Fix check for partially saved registers to check for SHmedia.
17246 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
17247 (sh_output_function_epilogue): Don't clear any of the removed
17249 (sh_insert_attributes): Don't check pragma_interrupt.
17250 Insert deferred attributes. Check that interrupt attribute is
17251 present for other attributes that require its presence.
17252 (sh_attribute_table): Add new attributes trapa_handler and
17254 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
17255 Don't check for pragma_interrupt. Don't store argument.
17256 * sh.h (pragma_interrupt, sp_switch): Don't declare.
17257 (sh_deferred_function_attributes): Declare.
17258 (sh_deferred_function_attributes_tail): Likewise.
17259 * sh.md (sp_switch_1): Add operand. Change generator caller.
17260 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
17261 (*return_i): Don't use when trap_exit attribute is in effect.
17262 (*return_trapa): New insn pattern.
17263 * sh-c.c: New file.
17264 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
17265 setting c_target_objs and cxx_target_objs.
17266 * t-sh: Add rule for sh-c.o.
17268 2006-01-30 Richard Guenther <rguenther@suse.de>
17271 * gimplify.c (gimplify_target_expr): Handle easy cases
17272 without creating a temporary.
17274 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
17276 * vec.h (safe_grow): Remove duplicated line.
17278 2006-01-29 Diego Novillo <dnovillo@redhat.com>
17281 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
17282 (expand_omp): ... here.
17283 (expand_omp_parallel): Only remove barriers for combined
17284 parallel+workshare constructs.
17286 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
17290 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
17291 * tree.c (build_qualified_type): Chain the new type to the original
17292 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
17293 a POINTER_TYPE or a REFERENCE_TYPE respectively.
17294 (build_pointer_type_for_mode): Only return unqualified types.
17295 (build_reference_type_for_mode): Likewise.
17297 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
17299 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
17300 * Makefile.in (CXX_COMPAT_WARN): Define.
17301 * configure: Regenerate.
17303 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
17306 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
17309 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17311 * toplev.c: Fix thinko.
17313 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17314 Marcin Dalecki <martin@dalecki.de>
17316 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
17317 (push_srcloc): Use XNEW.
17318 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
17320 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
17322 * df-core.c (df_set_blocks): Deleted all variable.
17324 2006-01-28 Ian Lance Taylor <ian@airs.com>
17326 * cgraphunit.c (cgraph_assemble_pending_functions): Call
17327 cgraph_output_pending_asms.
17329 2006-01-28 Zack Weinberg <zackw@panix.com>
17331 * c.opt: Add -W(no-)overlength-strings.
17332 * doc/invoke.texi: Document it.
17333 * c-opts.c (c_common_handle_option): -pedantic implies
17334 -Woverlength-strings, if not explicitly disabled already.
17335 (c_common_post_options): -Woverlength-strings defaults to off, and
17336 is always off for C++.
17337 * c-common.c (fix_string_type): Issue warning about strings longer
17338 than is portable only if warn_overlength_strings. Rearrange code
17339 a little for clarity.
17340 * configure.in: Check for -Wno-overlength-strings as well before
17341 enabling -pedantic in stage 1.
17342 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
17343 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
17345 * genconditions.c (write_header, write_one_condition)
17346 (write_conditions, write_writer): Consolidate very long strings
17347 that were broken up to fit in C89 portable limit. Don't use
17348 printf when fputs will do.
17350 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
17352 * combine.c (simplify_comparison <AND>): Check
17353 TRULY_NOOP_TRUNCATION before start using a subreg.
17355 * config/mips/mips.md (*branch_zero<mode>,
17356 *branch_zero<mode>_inverted, *branch_equality<mode>,
17357 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
17358 Remove mode check from comparisons.
17360 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
17362 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
17364 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17366 * expmed.c (const_mult_add_overflow_p): Remove.
17367 * expr.h: Remove the prototype for const_mult_add_overflow_p.
17369 * recog.c (validate_replace_rtx_subexp): Remove.
17370 * recog.h: Remove the prototype for
17371 validate_replace_rtx_subexp.
17373 * integrate.h: Remove the prototype for
17374 copy_decl_for_inlining.
17375 * rtl.h: Remove the prototype for mark_constant_function.
17376 * tree-vectorizer.h: Remove the prototype for
17377 vect_strip_conversion.
17379 * modulo-sched.c (create_partial_schedule,
17380 free_partial_schedule, reset_partial_schedule): Make them
17383 * hooks.c (hook_bool_rtx_int_false): Remove.
17384 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
17386 2006-01-28 David Edelsohn <edelsohn@gnu.org>
17388 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17389 and -mlong-double-128 are incompatible.
17390 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
17391 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
17392 (TARGET_LIBGCC2_CFLAGS): Define.
17393 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
17394 (TARGET_LIBGCC2_CFLAGS): Same.
17395 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
17397 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17400 * c-typeck.c (build_binary_op): Perform implicit casts of
17401 operands before shortening them.
17403 * cfgloopmanip.c (split_loop_bb): Remove.
17404 * cfgloop.h: Remove the prototype for split_loop_bb.
17406 * cfgloop.c (flow_loop_outside_edge_p): Remove.
17407 * cfgloop.h: Remove the prototype for
17408 flow_loop_outside_edge_p.
17410 * emit-rtl.c (init_virtual_regs): Make it static.
17411 * function.h: Remove the prototype for init_virtual_regs.
17413 * recog.c (peephole2_optimize): Make it static.
17414 * recog.h: Remove the prototype for peephole2_optimize.
17416 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17418 * df-scan.c (df_record_entry_block_defs): Check if
17419 INCOMING_RETURN_ADDR_RTX is defined.
17421 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
17422 Kenneth Zadeck <zadeck@naturalbridge.com>
17424 PR rtl-optimization/24762
17425 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17426 * targhooks.c (hook_void_bitmap): New hook prototype.
17427 * targhoohs.h (hook_void_bitmap): Ditto.
17428 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
17429 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
17430 * target.h (live_on_entry): New function pointer.
17431 * df-scan.c (df_all_hard_regs): Removed.
17432 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
17433 (df_scan_free_internal): Added df->entry_block_defs.
17434 (df_scan_alloc): Ditto.
17435 (df_scan_dump): Ditto.
17436 (df_uses_record): Plumbed flag field properly thru calls.
17437 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
17438 This part fixes PR24762.
17439 (df_bb_refs_record): Added code to make the frame and arg
17440 pointers live in EH blocks.
17441 (df_refs_record): Added call to df_record_entry_block_defs.
17442 (df_record_entry_block_defs): New function.
17443 * df-core.c: Added comments to describe new artifical defs.
17444 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
17445 (entry_block_defs): New field in struct df.
17446 (df_all_hard_regs): Deleted.
17447 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17448 * df-problems.c (df_ru_bb_local_compute_process_def):
17449 Added code to handle artifical defs in the entry to a function.
17450 (df_ru_bb_local_compute): Ditto.
17451 (df_rd_bb_local_compute_process_def): Ditto.
17452 (df_rd_bb_local_compute): Ditto.
17453 (df_lr_bb_local_compute): Ditto.
17454 (df_ur_bb_local_compute): Ditto.
17455 (df_urec_bb_local_compute): Ditto.
17456 (df_chain_create_bb): Ditto.
17457 (df_ur_local_finalize): Removed entry.
17458 (df_urec_init): Ditto.
17459 (df_urec_local_finalize): Ditto.
17460 (df_ri_bb_compute): Added detection of last use of pseudos.
17461 * Makefile.in (df-scan.o): Updated dependencies.
17462 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
17463 * config/mips/mips.c (mips_set_live_on_entry): Added.
17464 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
17466 * dce.c (marked_insn_p): Added code to handle artifical defs.
17468 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17470 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
17472 (_mm_cvtsi128_si64): Likewise.
17473 (_mm_cvtsd_si64): Likewise.
17474 (_mm_cvttsd_si64): Likewise.
17475 (_mm_cvtsi64_sd): Likewise.
17476 (_mm_cvtsi64_si128): Likewise.
17477 * config/i386/mmintrin.h (_m_from_int64): Likewise.
17478 (_mm_cvtsi64_m64): Likewise.
17479 (_m_to_int64): Likewise.
17480 (_mm_cvtm64_si64): Likewise.
17481 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
17482 (_mm_cvttss_si64): Likewise.
17483 (_mm_cvtsi64_ss): Likewise.
17484 (_mm_cvtss_f32): Likewise.
17486 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
17488 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
17489 for pragma redefine_extname.
17491 2006-01-27 Jakub Jelinek <jakub@redhat.com>
17494 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
17495 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
17496 -mno-minimal-toc to previous content.
17497 (bispecs): Remove goal.
17498 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
17499 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
17500 compatibility aliases on powerpc-*-*gnu*.
17501 * config/rs6000/libgcc-ppc-glibc.ver: New file.
17502 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
17503 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
17504 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
17505 (ldblspecs): New goal.
17506 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
17507 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
17509 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
17510 L_sf_to_tf or L_df_to_tf is defined.
17512 2006-01-27 David Edelsohn <edelsohn@gnu.org>
17513 Alan Modra <amodra@bigpond.net.au>
17516 * config/rs6000/linux.h (POWERPC_LINUX): Define.
17517 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
17518 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
17519 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
17520 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
17521 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
17522 (rs6000_override_options): Initialize rs6000_ieeequad.
17523 Initialize TFmode format to ibm_extended_format if not
17525 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
17527 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
17528 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
17529 (function_arg_advance): IBM long double passed in two FPRs, not
17531 (function_arg): IBM long double passed in FPRs.
17532 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
17533 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
17534 Only multireg GPR aligned.
17535 (rs6000_init_libfuncs): Enable IBM long double functions if not
17537 (rs6000_generate_compare): Use IBM long double compare if not
17539 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
17540 (TARGET_IEEEQUAD): Define.
17541 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
17542 not TARGET_IEEEQUAD.
17543 * config/rs6000/rs6000.md: Enable TFmode patterns if
17545 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
17546 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17547 and -mlong-double-128 are incompatible.
17548 * doc/invoke.texi (-mabi): Collect options together. Add
17549 ibmlongdouble and ieeelongdouble.
17551 2006-01-27 Richard Sandiford <richard@codesourcery.com>
17553 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17555 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17556 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17557 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17558 * rtl.h (rtunion_def): Remove rt_ptr.
17560 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17561 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17562 * config/i386/winnt.c (i386_pe_mark_dllexport)
17563 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17565 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17567 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17569 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17573 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17574 pthread_key_delete. From John David Anglin. gthrw-ify
17575 pthread_getunique_np only if it it's not a macro. Delete
17577 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17578 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17579 __gthread_objc_condition_signal, __gthread_key_delete): Add
17580 "__attribute__ ((__unused__))" to unused arguments.
17581 (__gthread_recursive_mutex_init_function): Add missing return.
17582 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17583 gthr-posix95.h: Use macro-based approach for name redirection
17584 on targets missing weakref.
17586 2006-01-26 Zack Weinberg <zackw@panix.com>
17588 * genconditions.c (write_header): In generated code, #ifdef out
17589 all includes and fake declarations, except includes of bconfig.h
17590 and system.h, unless GCC_VERSION >= 3001. Do not include
17591 gensupport.h in any case.
17592 (write_conditions): Generate a definition of struct c_test. Add
17593 a comment to the generated #endif.
17594 (write_one_condition): Escape backslashes in string too.
17595 (write_writer): Generated code must escape backslashes and quote
17596 marks (but not newlines) in the strings it writes.
17597 * Makefile.in (build/gencondmd.o): Update dependencies.
17599 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17602 * Makefile.in (insn-automata.o): Add header file dependencies.
17603 * genautomata.c: Add includes.
17605 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17608 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17610 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17612 * configure.ac: Expect target tools paths to be passed from the toplevel
17613 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17615 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17617 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17620 * c.opt (Wpointer-sign): Init to -1.
17621 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17622 OPT_pedantic, to 0 otherwise.
17623 * doc/invoke.texi: Update.
17625 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17627 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17628 constants provided by 80387 instructions in the destination mode.
17630 2006-01-26 Richard Guenther <rguenther@suse.de>
17631 Andrew Pinski <pinskia@physics.uc.edu>
17634 partial PR tree-opt/17064
17635 * tree-ssa-structalias.c (intra_create_variable_infos):
17636 Create heap variables for incoming parameters if
17637 flag_argument_noalias > 1.
17638 (find_what_p_points_to): Look through default defs of
17641 2006-01-26 Jeff Law <law@redhat.com>
17644 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17645 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17646 within the VR_RANGE, use the VR_RANGE as the result, not the
17648 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17649 bounds for the type.
17651 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17653 * tree-ssa-alias.c (maybe_create_global_var): Change
17654 subvar walking to an assertion that we don't have subvar'd variables.
17656 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17659 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17660 Use a new variable, inner. PARM_DECLs are always non-weak.
17662 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17664 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17665 --disable-checking.
17667 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17669 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17671 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17673 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17674 (smax_insn, smin_insn, smax_0, smin_0): New.
17676 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17679 * config/cris/cris.c (cris_order_for_addsi3): New function.
17680 * config/cris/cris-protos.h: Prototype it.
17681 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17682 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17683 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17684 (split for "op.S1 [rx=rx+i],ry (swapped)")
17685 (split for "op(s|u).S1 [rx=rx+i],ry")
17686 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17687 Apply cris_order_for_addsi3 when generating addsi3 insns.
17689 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17691 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17692 (TREE_BLOCK): Add call to EXPR_CHECK.
17694 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17697 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17698 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17699 (dump_omp_clauses): ... here.
17700 (dump_generic_node): Handle OMP_CLAUSE.
17701 * tree.c (omp_clause_num_ops): New.
17702 (omp_clause_code_name): New.
17703 (tree_code_size): Handle OMP_CLAUSE.
17704 (tree_size): Likewise.
17705 (make_node): Document handling of OMP_CLAUSE.
17706 (tree_node_structure): Handle OMP_CLAUSE.
17707 (omp_clause_check_failed): New.
17708 (omp_clause_range_check_failed): New.
17709 (omp_clause_operand_check_failed): New.
17710 (build_omp_clause): New.
17711 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17712 * tree.h (enum omp_clause_code): Declare.
17713 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17714 (OMP_CLAUSE_RANGE_CHECK): Define.
17715 (OMP_CLAUSE_ELT_CHECK): Define.
17716 (omp_clause_check_failed): Declare.
17717 (omp_clause_operand_check_failed): Declare.
17718 (omp_clause_range_check_failed): Declare.
17719 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17720 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17721 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17722 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17723 (OMP_CLAUSE_IF_EXPR): Likewise.
17724 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17725 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17726 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17727 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17728 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17729 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17730 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17731 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17732 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17733 (OMP_CLAUSE_CODE): Define.
17734 (OMP_CLAUSE_SET_CODE): Define.
17735 (OMP_CLAUSE_CODE): Define.
17736 (OMP_CLAUSE_OPERAND): Define.
17737 (struct tree_omp_clause): Declare.
17738 (union tree_node): Add field 'omp_clause'.
17739 * treestruct.def (TS_OMP_CLAUSE): Define.
17740 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17741 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17742 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17743 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17744 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17745 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17746 (OMP_CLAUSE): Define.
17747 * print-tree.c (print_node): Handle OMP_CLAUSE.
17748 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17749 * c-typeck.c: Likewise.
17750 * gimplify.c: Likewise.
17751 * c-omp.c: Likewise.
17752 * tree-nested.c: Likewise.
17753 * tree-inline.c: Likewise.
17754 * c-parser.c: Likewise.
17755 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17758 2006-01-25 Roger Sayle <roger@eyesopen.com>
17760 PR rtl-optimization/25703
17761 * combine.c (try_combine): Handle zero_extract and strict_low_part
17762 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17764 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17766 * global.c: Fix comment typos.
17768 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17771 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17772 Use output_addr_const instead of assemble_name.
17774 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17776 * Makefile.in (sched-vis.o): Update dependencies.
17777 * haifa-sched.c (sched_finish): Clear current_sched_info.
17778 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17779 (dump_flow_info): Call it.
17780 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17782 * basic-block.h (dump_bb_info): Declare.
17783 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17784 option, and apply options only for dump files whose TDF_RTL,
17785 TDF_TREE, or TDF_IPA bits match.
17786 * rtl.h: Declare new functions exported from sched-vis.c.
17787 * sched-vis.c: Enable also if scheduling is not used.
17788 (print_value): Print the mode of registers if not inside scheduling.
17789 (print_insn): Make it work outside the scheduler. Beautify the output
17791 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17793 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17795 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17796 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17797 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17798 depending on the value of CONSTANT_POOL_ADDRESS_P.
17799 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17801 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17802 rather than SYMBOL_REF_DECL.
17803 (rtx_constant_pool): Remove const_rtx_sym_htab.
17804 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17805 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17806 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17807 Remove handling of const_rtx_sym_htab.
17808 (find_pool_constant): Delete.
17809 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17810 rather than find_pool_constant.
17811 (get_pool_constant_for_function): Delete.
17812 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17813 find_pool_constant.
17814 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17815 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17816 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17817 (SYMBOL_REF_CONSTANT): New macro.
17818 (get_pool_constant_for_function): Delete.
17819 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17820 rather than SYMBOL_REF_DECL.
17821 (i386_pe_mark_dllimport): Likewise.
17822 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17823 rather than SYMBOL_REF_DECL.
17824 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17825 (machopic_indirect_call_target): Likewise.
17827 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17829 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17831 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17833 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17835 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17837 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17839 2006-01-24 David Daney <ddaney@avtrex.com>
17842 * configure.ac (enable_tls): New enable option.
17843 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17844 * configure: Regenerate.
17845 * doc/install.texi (--enable-tls): Document new option.
17846 (--disable-tls): Ditto.
17848 2006-01-24 Richard Henderson <rth@redehat.com>
17850 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17851 * alias.c (true_dependence): Respect it.
17852 (canon_true_dependence, write_dependence_p): Likewise.
17853 * builtins.c (get_builtin_sync_mem): Set it.
17855 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17857 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17860 2006-01-24 DJ Delorie <dj@redhat.com>
17862 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17863 for storing constants in single-bit bitfields.
17865 2006-01-25 Ben Elliston <bje@au.ibm.com>
17867 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17869 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17872 * tree-ssa-pre.c (phi_translate): Return NULL
17873 for AGGREGATE_TYPE's.
17875 2006-01-24 Zack Weinberg <zackw@panix.com>
17877 * genautomata.c (process_state_for_insn_equiv_partition):
17878 Use xcalloc for insn_arcs_array.
17879 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17880 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17882 2006-01-24 Richard Henderson <rth@redhat.com>
17884 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17885 update all callers.
17887 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17889 PR rtl-optimization/25890
17890 PR rtl-optimization/25905
17891 * combine.c (expand_compound_operation, expand_field_assignment):
17892 Fail if the bitfield's final position is out of bounds.
17894 2006-01-24 Ian Lance Taylor <ian@airs.com>
17896 PR middle-end/25930
17897 * cgraphunit.c (cgraph_output_in_order): Don't clear
17898 cgraph_asm_nodes until after asm strings have been output.
17900 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17902 * fix-header.c (read_scan_file): Add new parameter imultilib when
17903 calling register_include_chains.
17905 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17907 * omp-low.c: Update documentation.
17909 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17910 Daniel Berlin <dberlin@dberlin.org>
17914 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17915 return from the function.
17917 2006-01-22 Zack Weinberg <zackw@panix.com>
17919 * rtl.def (match_code): Add second argument.
17920 * genpreds.c (write_extract_subexp): New function.
17921 (write_match_code): Add path argument. Use write_extract_subexp.
17922 (write_predicate_expr): Pass path to write_match_code.
17923 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17924 not perform a mode test.
17925 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17926 a subexpression does not constrain the top-level code set.
17927 * read-rtl.c (read_rtx_variadic): New function.
17928 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17929 * doc/md.texi: Document new notation.
17930 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17931 (cmpsi_operand): ... here, using new notation.
17933 2006-01-22 Zack Weinberg <zackw@panix.com>
17935 * varray.c: Remove GENERATOR_FILE #ifdefs.
17937 2006-01-22 Zack Weinberg <zackw@panix.com>
17939 * genautomata.c (output_reserved_units_table): Emit nothing if
17940 description->query_units_num is zero. Remove extra blank line.
17941 (output_cpu_unit_reservation_p): Short circuit
17942 if description->query_units_num is zero.
17944 2006-01-22 Zack Weinberg <zackw@panix.com>
17946 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17947 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17948 nor any of the random handful of variables that used to be necessary
17949 when this program was linked with rtlanal.o. Prune set of forward
17950 function declarations.
17951 (struct attr_desc): Remove static_p field.
17952 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17953 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17954 (attr_string): Do not read the character one past the length of
17956 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17957 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17958 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17959 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17960 (make_automaton_attrs): New.
17961 (main): Do not call into genautomata. Call local gen_bypass
17962 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17963 Remove special case for insn_alts.
17964 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17965 varray.h (leftover from previous change). Prune set of forward
17966 function declarations. Remove state_alts fields from all
17967 structures. Remove state_alts_table from struct automaton.
17968 Make everything except main static. Do not maintain num_dfa_decls.
17969 Do not maintain state_alts fields of various structures.
17970 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17971 (add_arc): Remove state_alts argument. All callers updated.
17972 (output_reserved_units_table): Emit #ifdef here...
17973 (output_tables): ...not here. Don't generate state_alts tables.
17974 (expand_automata): Don't generate attributes.
17975 (write_automata): Don't generate state_alts functions.
17976 (main): New function.
17977 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17978 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17979 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17980 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17981 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17982 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17983 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17984 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17986 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17987 * genattrtab.h: Delete file.
17988 * Makefile.in (OBJS-common): Add insn-automata.o.
17989 (insn-automata.o): New rule.
17990 (simple_generated_c): Add insn-automata.c.
17991 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17992 (genprogmd): Add automata.
17993 (build/genattrtab): Needs no extra objects nor libraries.
17994 (build/genautomata): Needs build/vec.o and -lm.
17996 2006-01-22 Zack Weinberg <zackw@panix.com>
17998 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17999 (output_dfa_max_issue_rate, locked_states_num): Delete.
18000 (struct automaton): Add locked_states field.
18001 (output_dead_lock_vect): Save number of locked states in
18002 automaton->locked_states. If it is zero, don't print anything.
18003 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
18004 (output_internal_dead_lock_func): Only test the dead_lock_vect
18005 for automata that have locked states.
18006 (output_statistics): Always print the number of locked states for
18007 each automaton. Calculate total number of locked states here.
18008 (write_automata): Don't call output_dfa_max_issue_rate.
18009 * genattrtab.c: Define length_unit_log as a const variable.
18010 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
18011 max_insn_queue_index const.
18012 * final.c (length_unit_log): Declare const.
18013 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
18015 2006-01-22 Zack Weinberg <zackw@panix.com>
18017 * genautomata.c: Include vec.h, not varray.h.
18018 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
18019 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
18020 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
18021 VEC_* macros operating on appropriately typed vectors, or to
18022 malloced arrays when the size is known in advance. Const-ify
18023 many char* variables and function arguments. No functional changes.
18024 * Makefile.in (build/varray.o): Delete rule.
18025 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
18026 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
18028 2006-01-22 Zack Weinberg <zackw@panix.com>
18030 * gensupport.c: Define get_insn_name and record_insn_name here.
18031 (read_md_rtx): Call record_insn_name as appropriate.
18032 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
18033 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
18034 * genpreds.c, genrecog.c: Don't define get_insn_name nor
18036 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
18037 (BUILD_VARRAY): Delete.
18038 (genprognormal): Rename genprogmd. Fold in all programs from
18039 genprognoprint; also attrtab.
18040 (build/genattrtab): Just mention genautomata.o and varray.o.
18041 Reorganize a bit, add comments to make the categories clearer.
18043 2006-01-22 Zack Weinberg <zackw@panix.com>
18045 * genconditions.c (condition_table, add_condition): Delete.
18046 (write_conditions): Don't emit n_insn_conditions nor
18047 insn_elision_unavailable. Issue the gcc version #ifdef here,
18048 inside the table, with no #else clause ...
18049 (write_header): ...not here.
18050 (write_writer): New function.
18051 (main): Don't initialize condition_table. Use add_c_test.
18053 * gensupport.c (init_md_reader_args_cb): Handle multiple input
18054 files on the command line.
18055 (maybe_eval_c_test): Don't check insn_elision_unavailable.
18056 Return -1 if there is no entry in the table, don't abort.
18057 (add_c_test, traverse_c_tests): New functions.
18058 * gensupport.h (insn_elision_unavailable, insn_conditions)
18059 (n_insn_conditions): Delete declarations.
18060 (add_c_test, traverse_c_tests): Declare.
18061 * read-rtl.c: Include gensupport.h.
18062 (read_conditions): New function.
18063 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
18064 (read_rtx_1): If we get EOF when we were looking for an initial
18065 open paren, return 0. Call read_conditions when appropriate.
18066 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
18067 dummy-conditions.o. Eliminate references to insn-conditions.o,
18068 or change them to build/gencondmd.o, as appropriate. Remove
18069 insn-constants.h from $(simple_generated_h) and insn-conditions.c
18070 from $(simple_generated_c). For all files remaining in those
18071 two lists, add insn-conditions.md to the generator command line.
18072 Give insn-constants.h/s-constants their own rules. Add rules
18073 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
18074 (build/read-rtl.o): Depend on gensupport.h.
18075 (genprognormal): Include preds.
18076 (genprogearly): Rename genprognoprint; only difference is now that
18077 they don't link with $(BUILD_PRINT).
18078 * dummy-conditions.c: Delete.
18080 2006-01-22 Zack Weinberg <zackw@panix.com>
18082 * genextract.c: Don't include insn-config.h. Do include vec.h.
18083 Declare vectors of int, char, and locstr.
18084 (locstr): New typedef.
18085 (struct extraction): Make all array fields into bare pointers.
18086 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
18087 (insn_code_number): Delete.
18088 (accum_extract): New struct.
18089 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
18090 (gen_insn): Take insn_code_number as an argument. Use an
18091 accum_extract structure instead of loading data directly into
18092 a struct extraction, and having to know how big it might get.
18093 (walk_rtx): Operate entirely on an accum_extract structure.
18094 (print_path): Avoid unnecessary use of printf.
18095 (print_header): New function, split out of main. Distinguish
18096 more carefully between an unrecognizable insn and an insn that
18097 has the code number of a define_expand.
18098 (main): Pass insn_code_number to gen_insn. Call print_header
18099 only after parsing. Avoid unnecessary use of printf.
18100 * Makefile.in (build/vec.o): New rule.
18101 (build/genextract): Depend on build/vec.o.
18102 (build/genextract.o): Don't depend on insn-config.h.
18104 2006-01-22 Zack Weinberg <zackw@panix.com>
18106 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
18107 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
18108 practical. Eliminate per-generator-program link rules.
18110 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18112 PR middle-end/24437
18113 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
18114 with a call expr to ...
18115 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
18117 2006-01-23 Richard Guenther <rguenther@suse.de>
18119 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
18120 before make_edge with conditional EDGE_TRUE_VALUE.
18122 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
18123 Jan Hubicka <jh@suse.cz>
18124 Richard Guenther <rguenther@suse.de>
18126 PR rtl-optimization/25654
18127 * cfgexpand.c (aggregate_contains_union_type): New function.
18128 (add_alias_set_conflicts): Call it. Make sure to add conflicts
18129 for structure variables that contain a union type.
18131 2006-01-23 Richard Sandiford <richard@codesourcery.com>
18133 * gengtype.c (new_structure): Return the structure.
18134 (create_option): Add an extra "next" argument.
18135 (create_field): New function.
18136 (adjust_field_rtx_def): Use create_option and create_field.
18137 Remove a now-unnecessary call to find_structure.
18138 (adjust_field_tree_def): Likewise.
18139 (note_yacc_type): Remove an unnecessary call to find_structure.
18140 * gengtype.h (new_structure): Return the structure.
18141 (create_option): Add an extra argument.
18142 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
18143 (option): Adjust calls to create_option.
18145 2006-01-22 David Edelsohn <edelsohn@gnu.org>
18147 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
18149 2006-01-22 Paul Brook <paul@codesourcery.com>
18150 Peter Barada <peter@the-baradas.com>
18152 * config/m68k/m68k.md: Add Coldfire FPU support.
18153 Define FP mode macro and associated attributes.
18154 Use it for float mode patterns.
18155 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
18156 (LIBCALL_VALUE): Use m68k_libcall_value.
18157 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
18158 (m68k_function_value): Ditto.
18159 (emit_move_sequence): Ditto.
18160 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
18161 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
18162 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
18163 (MULTILIB_EXCEPTIONS): Ditto.
18164 * config/m68k/m68k.opt: Add mcfv4e.
18165 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
18166 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
18167 (m68k_output_function_prologue): Save ColdFire FPU registers.
18168 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
18169 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
18170 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
18171 ColdFire FPU registers.
18172 (m68k_libcall_value, m68k_function_value): New functions.
18173 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
18174 (LIBCALL_VALUE): Use m68k_libcall_value.
18175 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
18176 (MASK_COLDFIRE): Add MASK_CFV4E.
18177 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
18178 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
18179 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
18180 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
18181 (GO_IF_LEGITIMATE_ADDRESS): Use it.
18182 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
18183 * doc/invoke.tex: Document -mcfv4e on m68k.
18185 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
18187 * doc/contribute.texi: Change CVS to SVN and update the corresponding
18190 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
18193 * c-opts.c (c_common_handle_option): Don't include
18194 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
18195 * doc/invoke.texi (C++ Dialect Options): Document that
18196 -Wnon-virtual-dtor is no longer included in -Wall.
18198 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
18200 * gcov.c (print_version), gcov-dump.c (print_version),
18201 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
18204 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
18206 * df-scan.c (problem_SCAN): Added NULL reset function.
18207 (df_scan_reset_blocks): Added code to call reset block function
18208 (df_bb_refs_delete) Fixed comment.
18209 (df_insn_refs_delete): Made tolerant of deleting non existent info
18210 for dataflow problems that need to be reset.
18211 * df-core.c (df_set_blocks): Ditto.
18212 * df.h (struct df_problem): Added reset_fun.
18213 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
18214 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
18215 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
18216 functions to clear out all references to def-use or use-def chains.
18218 2006-01-21 Ben Elliston <bje@au.ibm.com>
18220 * varasm.c (assemble_real): Initialise data array.
18222 2006-01-20 Paul Brook <paul@codesourcery.com>
18224 Merge from csl-arm-branch.
18225 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
18226 * config/arm/arm.md (movdi): Force operands[1] to a register
18227 if we have a non-register source.
18228 (*arm_movdi, *movdf_soft_insn): Require that one of the
18229 operands be a register.
18230 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
18231 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
18233 2006-01-20 DJ Delorie <dj@redhat.com>
18235 * varasm.c (initializer_constant_valid_p): Allow pointers
18236 initialized from integer constants of lesser precision.
18237 (output_constant): Allow non-int-sized pointer modes to be
18238 initialized from integer constants.
18240 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
18243 * cppdefault.h (struct default_include): Add multilib flag.
18244 * cppdefault.c (cpp_include_defaults): Set it.
18245 * c.opt (-imultilib): New option.
18246 * c-opts.c (imultilib): New.
18247 (c_common_handle_option): Handle -imultilib.
18248 (c_common_post_options): Likewise.
18249 * c-incpath.c (add_standard_paths, register_include_chains):
18251 * c-incpath.h (register_include_chains): Add extra parameter.
18252 * gcc.c (do_spec_1): Generate -imultilib option.
18253 (The Specs Language): Update %I description.
18254 (process_command): Update copyright notice.
18255 * doc/cppopts.texi (-imultilib): Document.
18256 * doc/invoke.texi (-imultilib): Include in option summary.
18257 (%I): Update specs documentation.
18259 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18261 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
18263 2006-01-20 Richard Sandiford <richard@codesourcery.com>
18265 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
18268 2006-01-20 Richard Guenther <rguenther@suse.de>
18269 Steven Bosscher <stevenb.gcc@gmail.com>
18271 PR rtl-optimization/24626
18272 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
18273 EDGE_TRUE_VALUE if in RTL mode.
18276 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
18277 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
18279 2006-01-20 Dirk Mueller <dmueller@suse.com>
18282 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
18283 instead of a special NOP marker.
18284 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
18285 NOP marker handling.
18286 * c-common.h (empty_body_warning): Add forward declaration.
18287 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
18288 Now uses IS_EMPTY_STMT() instead of special NOP markers.
18290 2006-01-20 Paul Brook <paul@codesourcery.com>
18292 * Makefile.in (lang_checks): Keep going if mkdir fails.
18294 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18296 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
18297 be able to clean out basic block when not necessary.
18298 (df_scan_free): Fixed to properly delete information if df is
18299 unused before calling df_finish.
18300 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
18301 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
18303 (df_bb_refs_delete): New function.
18304 (df_refs_delete): Moved per block code to df_bb_refs_delete.
18305 * df-core.c (df_set_blocks): Added code to properly clean out
18306 unused blocks if they are not part of the blocks to consider.
18307 Added additional null check.
18308 (df_compact_blocks): Added basic block parameter to free_bb_fun to
18309 be able to clean out basic block when not necessary
18310 * df.h (df_free_bb_function): Ditto.
18311 (df_bb_refs_delete): New function.
18312 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
18313 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
18314 basic block parameter to be able to clean out basic block when not
18316 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
18317 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
18318 Fixed to properly delete information if df is unused before
18321 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18323 PR rtl-optimization/25799
18324 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
18325 Corrected confluence operator to remove bits from op2 before oring
18326 with op1 rather than removing bits from op1.
18327 (df_ru_transfer_function): Corrected test on wrong bitmap which
18328 caused infinite loop. Both of these problems were introduced in
18329 the dataflow rewrite.
18331 2006-01-19 DJ Delorie <dj@redhat.com>
18333 * reload1.c (find_reload_regs): Note the details of reload
18334 failures in the dump file.
18335 (spill_failure): Likewise.
18337 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18339 * loop-iv.c: Include df.h and hashtab.h.
18340 (enum iv_grd_result): New enum.
18341 (DF_REF_IV, DF_REF_IV_SET): New macros.
18342 (struct biv_entry): New.
18343 (df, bivs): New global variables.
18344 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
18345 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
18347 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
18348 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
18349 analyzed_for_bivness_p, record_biv): New functions.
18350 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
18351 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
18352 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
18354 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
18356 (iv_number_of_iterations): Use new interface to iv analysis.
18357 * loop-unroll.c: Do not include varray.h.
18358 (analyze_iv_to_split_insn): Use new interface to iv
18360 * loop-unswitch.c (may_unswitch_on): Ditto.
18361 * df.c (df_bitmaps_free): Only work for bbs for that structures are
18363 (df_bb_modify): Realloc tables to the new index.
18364 (df_find_use): New function.
18365 * df.h (df_find_use): Declare.
18366 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
18368 * cfgloop.h (struct rtx_iv): Remove analysed field.
18369 (iv_get_reaching_def): Removed.
18370 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
18371 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
18372 (loop-iv.o): Add df.h and hashtab.h dependency.
18373 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
18375 2006-01-20 Alan Modra <amodra@bigpond.net.au>
18378 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
18380 (__floatundisf, __floatundidf): Likewise.
18381 * libgcc2.h (IS_IBM_EXTENDED): Define.
18383 2006-01-19 DJ Delorie <dj@redhat.com>
18385 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
18387 2006-01-19 Paul Brook <paul@codesourcery.com>
18389 * config/arm/arm.c (arm_compute_func_type): Treat all functions
18390 as nothrow when unwinding tables are disabled.
18392 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18395 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
18396 of bit-field" when in system header.
18398 2006-01-19 DJ Delorie <dj@redhat.com>
18400 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
18401 the 16 bit shift limit of the m16c.
18403 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
18406 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
18407 * config/i386/i386.c (output_set_got): Output the label if we have one
18408 for the TARGET_DEEP_BRANCH_PREDICTION case.
18410 2006-01-19 Jan Hubicka <jh@suse.cz>
18411 H.J. Lu <hongjiu.lu@intel.com>
18412 Evandro Menezes <evandro.menezes@amd.com>
18414 * invoke.texi (generic): Document
18416 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
18417 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
18418 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
18419 (x86_use_incdec, x86_pad_returns): New variables
18420 (TARGET_CPU_DEFAULT_generic): New constant
18421 (TARGET_CPU_DEFAULT_NAMES): Add generic.
18422 (enum processor_type): Add generic32 and generic64.
18423 * i386.md (cpu attribute): Add generic32/generic64
18424 (movhi splitter): Behave sanely when both partial_reg_dependency and
18425 partial_reg_stall are set.
18426 (K8 splitters): Enable for generic as well.
18427 * predicates.md (incdec_operand): Use TARGET_INCDEC
18428 (aligned_operand): Avoid memory mismatch stalls.
18429 * athlon.md: Enable for generic64, new patterns for 128bit moves.
18430 * ppro.md: Enable for generic32
18431 * i386.c (generic64_cost, generic32_cost): New.
18432 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
18433 (x86_use_leave): Enable for generic64. (x86_use_sahf,
18434 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
18435 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
18436 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
18437 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
18438 x86_partial_reg_dependency, x86_memory_mismatch_stall,
18439 x86_accumulate_outgoing_args, x86_prologue_using_move,
18440 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
18441 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
18442 Enable for generic.
18443 (x86_use_incdec, x86_pad_returns): New.
18444 (override_options): Add generic32 and generic64, translate "generic"
18445 to generic32/generic64 and "i686" to "generic32", refuse
18446 "generic32"/"generic64" as arch target.
18447 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
18448 (ix86_reorg): Honor PAD_RETURNS.
18450 2006-01-19 Diego Novillo <dnovillo@redhat.com>
18452 * tree-pretty-print.c (dump_generic_node): Handle
18453 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
18454 * cgraph.c (cgraph_expand_queue): Rename from
18455 cgraph_analyze_queue. Update all users.
18456 * cgraphunit.c (cgraph_assemble_pending_functions): Process
18457 cgraph_expand_queue.
18458 (cgraph_expand_all_functions): Likewise.
18459 (cgraph_finalize_pending_functions): Remove. Update callers.
18461 * tree.h (OMP_DIRECTIVE_P): Define.
18462 (OMP_PARALLEL_FN): Define.
18463 (OMP_PARALLEL_DATA_ARG): Define.
18464 (OMP_SECTIONS_SECTIONS): Define.
18465 * tree-pass.h (pass_expand_omp): Declare.
18466 * omp-low.c (struct omp_region): Declare.
18467 (struct omp_context): Remove fields 'parallel_type',
18468 'parallel_start_ix' and 'parallel_start_additional_args'.
18470 (struct omp_for_data): Rename from struct expand_omp_for_data.
18471 (omp_regions): New static variable.
18472 (root_omp_region): New static variable.
18473 (find_omp_clause): Make static.
18474 (is_in_combined_parallel_ctx): Remove.
18475 (is_combined_parallel): New.
18476 (extract_omp_for_data): Move earlier in the file.
18477 (workshare_safe_to_combine_p): New.
18478 (get_ws_args_for): New.
18479 (determine_parallel_type): Move earlier in the file.
18480 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
18482 (omp_copy_decl): Likewise.
18483 (create_omp_child_function): Likewise.
18484 (lookup_omp_region): New.
18485 (dump_omp_region): New.
18486 (debug_omp_region): New.
18487 (debug_all_omp_regions): New.
18488 (new_omp_region): New.
18489 (scan_omp_parallel): If parallel_nesting_level > 1, the
18490 directive is nested within another parallel directive.
18491 Set OMP_PARALLEL_FN.
18492 (scan_omp_for): Do not try to handle combined parallel+for
18494 Remove FIXME comment.
18495 (scan_omp_nested): Remove.
18496 (scan_omp_1): Do not call scan_omp_nested when
18497 parallel_nesting_level is > 1.
18498 Do not change the DECL_CONTEXT of local variables found.
18499 (lookup_decl_in_outer_ctx): New.
18500 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
18501 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
18502 (lower_reduction_clauses): Rename from expand_reduction_clauses.
18503 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
18504 If CTX is nested, lookup VAR in the outer context when
18505 building copy assignment.
18506 (lower_send_clauses): Rename from expand_send_clauses.
18507 If CTX is nested, lookup VAR in the outer context when
18508 building copy assignments.
18509 (lower_send_shared_vars): Rename from expand_send_shared_vars.
18510 If CTX is nested, lookup VAR in the outer context when
18511 building copy assignments.
18512 (expand_parallel_call): Rename from build_parallel_call.
18513 Handle combined parallel+workshare cases.
18514 Re-implement to emit code into the CFG.
18516 (expand_omp_parallel): Re-implement to emit code into the CFG.
18517 Call move_sese_region_to_fn to outline the sub-graph
18518 containing the parallel region.
18519 (expand_omp_for_1): Remove.
18520 (expand_omp_for_generic): Re-implement to emit code into the
18522 (expand_omp_for_static_nochunk): Likewise.
18523 (expand_omp_for_static_chunk): Likewise.
18524 (expand_omp_for): Likewise.
18525 (expand_omp_sections): Likewise.
18526 (remove_exit_barriers): New.
18527 (expand_omp_synch): New.
18529 (build_omp_regions_1): New.
18530 (build_omp_regions): New.
18531 (execute_expand_omp): New.
18532 (gate_expand_omp): New.
18533 (pass_expand_omp): Define.
18534 (lower_omp_sections): Rename from expand_omp_sections.
18535 Set OMP_SECTIONS_SECTIONS.
18536 (lower_omp_single_simple): Rename from expand_omp_single_simple.
18537 (lower_omp_single_copy): Rename from expand_omp_single_copy.
18538 (lower_omp_single): Rename from expand_omp_simple.
18539 (lower_omp_master): Rename from expand_omp_master.
18540 (lower_omp_ordered): Rename from expand_omp_ordered.
18541 (lower_omp_critical): Rename from expand_omp_critical.
18542 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
18543 (lower_omp_for): Re-implement.
18544 (lower_omp_parallel): Re-implement.
18545 (lower_regimplify): Rename from expand_regimplify.
18546 (lower_omp_1): Rename from expand_omp_1.
18547 If there are syntax errors in the program, replace every
18548 OpenMP directive with NOP.
18549 Call lower_omp_* instead of expand_omp_*.
18550 (lower_omp): Rename from expand_omp.
18552 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
18553 * tree-gimple.h (enum omp_parallel_type): Remove.
18554 (gimple_boolify): Declare extern.
18555 (find_omp_clause, determine_parallel_type): Remove.
18557 * gimple-low.c (lower_omp_directive): New.
18558 (lower_stmt): Call it.
18559 (record_vars_into): Move from ...
18560 (record_vars): ... here.
18561 Call record_vars_into with current_function_decl.
18563 * gimplify.c (struct gimplify_ctx): Remove fields
18564 combined_pre_p and combined_ctxp. Update users.
18565 (get_formal_tmp_var): Add documentation.
18566 (gimple_boolify): Make extern.
18567 (gimplify_expr_in_ctx): Remove. Update callers.
18568 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18569 will always be a BIND_EXPR.
18570 (gimplify_expr): Handle OMP_RETURN_EXPR.
18571 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18572 (OMP_PARALLEL): Add 3 operands.
18573 (OMP_SECTIONS): Add 1 operand.
18574 (OMP_RETURN_EXPR): Define.
18576 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18577 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18578 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18579 creating a circular free list.
18580 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18582 * tree-flow.h (move_sese_region_to_fn): Declare.
18583 (record_vars_into): Declare.
18584 * tree-cfg.c (make_omp_sections_edges): New.
18585 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18586 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18587 OMP_SECTIONS and OMP_SECTION.
18588 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18589 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18590 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18591 (gather_blocks_in_sese_region): New.
18592 (struct move_stmt_d): Declare.
18593 (move_stmt_r): New.
18594 (move_block_to_fn): New.
18595 (move_sese_region_to_fn): New.
18597 * passes.c (init_optimization_passes): Schedule
18598 pass_expand_omp after pass_init_datastructures.
18600 * tree-ssa-operands.c (get_expr_operands): Handle
18601 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18602 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18604 2006-01-19 Jeff Law <law@redhat.com>
18606 * tree-vrp.c (extract_range_from_assert): Refine the result range
18607 if the variable referenced by the ASSERT_EXPR has a range and
18608 either the tentative result range or the previous range is a
18611 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18613 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18615 2006-01-19 Jan Hubicka <jh@suse.cz>
18617 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18619 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18621 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18622 (expand_compound_operation, expand_field_assignment): Fail if the
18623 bit lengths of an extract operation are out of range.
18624 (make_extraction): Compute wanted_inner_mode based on the position
18625 and length of the extraction. Make it extraction_mode for non-constant
18626 positions, and do not modify offset in that case. When generating a
18627 new MEM, use a mode that can hold the extraction while keeping correct
18628 alignment. Remove code that supported MEMs wrapped by USEs.
18629 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18631 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18633 * config/s390/s390.md ("Y", "y"): New mode attribute.
18634 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18635 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18636 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18637 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18638 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18639 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18640 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18641 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18642 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18643 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18644 "addsi3", "subsi3"): Insn patterns removed.
18645 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18646 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18647 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18648 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18649 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18650 "*sub<mode>3_cconly2"): New insn patterns.
18651 ("addsi3", "subsi3"): New expanders.
18653 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18655 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18656 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18657 existing STMT_VINFO_VECTYPE if available.
18658 (vect_mark_relevant): Add special handling for stmts that are
18659 marked as STMT_VINFO_IN_PATTERN_P.
18660 (vect_analyze_loop): Call vect_pattern_recog.
18661 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18662 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18664 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18665 (vect_recog_func_ptr): New function-pointer type.
18666 * tree-vect-patterns.c: New file.
18667 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18668 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18669 (vect_pattern_recog_1): New functions.
18670 (vect_pattern_recog_funcs): New array of function pointers.
18672 * tree-vectorizer.h (ternary_op): New enum value.
18673 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18674 declaration. Revised documentation. Removed redundant dump prints.
18675 Removed redundant argument. Added support for reduction patterns.
18676 (vectorizable_reduction): Added support for reduction patterns.
18677 (vect_transform_stmt): Added support for patterns.
18679 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18680 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18681 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18682 (expand_widen_pattern_expr): New function.
18683 (init_optabs): Initialize new optabs udot_prod_optab,
18685 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18686 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18687 (expand_widen_pattern_expr): New function declaration.
18688 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18690 * tree-inline.c (estimate_num_insns_1): Added cases for new
18691 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18692 * tree-pretty-print.c (dump_generic_node): Likewise.
18693 (op_prio): Likewise.
18694 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18695 * tree-ssa-operands.c (get_expr_operands): Added case for
18697 * tree-vect-patterns.c (widened_name_p): New function.
18698 (vect_recog_dot_prod_pattern): Added function implementation.
18699 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18700 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18701 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18702 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18704 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18705 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18706 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18707 (init_optabs): Initialize new optabs widen_ssum_optab,
18709 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18710 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18711 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18712 use instead of type of def.
18713 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18714 function implementation.
18715 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18716 widen_ssumv8hi): New.
18718 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18721 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18724 * c-decl.c (add_flexible_array_elts_to_size): New function.
18725 (finish_decl): Use it.
18727 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18729 * diagnostic.h: Include options.h.
18730 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18731 dependancies for diagnostic.h.
18732 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18734 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18736 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18737 (ssa_ro_call_cache_valid): Ditto.
18738 * tree-ssa-alias.c (sort_tags_by_id): New function.
18739 (init_transitive_clobber_worklist): Ditto.
18740 (add_to_worklist): Ditto.
18741 (mark_aliases_call_clobbered): Ditto.
18742 (compute_tag_properties): Ditto.
18743 (set_initial_properties): Ditto.
18744 (compute_call_clobbered): Ditto.
18745 (compute_may_aliases): Call compute_call_clobbered and grouping.
18746 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18747 (compute_flow_insensitive_aliasing): Grouping now happens in our
18749 (setup_pointers_and_addressables): Remove clobbering related code.
18750 (add_may_alias): Ditto.
18751 (replace_may_alias): Ditto.
18752 (get_nmt_for): Ditto.
18753 (create_global_var):
18754 (is_escape_site): Return an escape_type enumeration.
18755 * tree-flow-inline.h (is_call_clobbered): Global var does not
18756 imply call clobbered.
18757 (mark_call_clobbered): Take a reason for marking this. Remove
18758 marking of globalness, and cache invalidation.
18759 (clear_call_clobbered): Remove cache invalidation code.
18760 * tree-dfa.c (dump_variable): If details is on, dump the reason
18762 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18764 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18765 (struct var_ann_d): Ditto.
18766 (enum escape_type): New.
18767 (mark_call_clobbered): Adjust prototype.
18768 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18769 are never call clobbered.
18770 Record reasons for escaping.
18771 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18772 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18773 (ssa_ro_call_cache_valid): Ditto.
18774 (clobbered_v_may_defs): Ditto.
18775 (clobbered_vuses): Ditto.
18776 (ro_call_vuses): Ditto.
18777 (clobber_stats): New.
18778 (init_ssa_operands): Zero out clobber stats.
18779 (fini_ssa_operands): Print out clobber stats.
18780 (get_call_expr_operands): Pass callee fndecl to
18781 add_call_read_ops).
18782 (add_call_clobber_ops): Remove use of cache.
18783 Add use of PURE_CONST information.
18784 (add_call_read_ops): Remove use of cache.
18785 Add use of static not_read information.
18787 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18789 Introduce TLS descriptors for i386 and x86_64.
18790 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18791 (TARGET_ANY_GNU_TLS): New macro.
18792 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18793 (struct machine_function): Add tls_descriptor_call_expanded_p.
18794 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18795 (ix86_current_function_calls_tls_descriptor): Likewise.
18796 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18797 (override_options): Introduce gnu2 tls dialect.
18798 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18800 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18802 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18803 (ix86_init_machine_status): Initialize new field.
18804 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18805 (ix86_tls_module_base): New.
18806 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18807 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18808 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18809 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18810 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18811 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18812 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18813 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18814 * config/i386/predicates.md (tls_modbase_operand): New.
18815 (tp_or_register_operand): New.
18817 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18819 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18820 (look_for_address_of): Ditto.
18821 (ipa_init): Walk the function decls.
18822 (static_execute): Don't set readonly on FUNCTION_DECL's.
18824 2006-01-18 Roger Sayle <roger@eyesopen.com>
18826 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18827 for shifts where the source and destination registers are different.
18829 2006-01-18 Paul Brook <paul@codesourcery.com>
18831 Merge from csl-arm-branch.
18832 2005-03-14 Julian Brown <julian@codesourcery.com>
18833 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18834 (aeabi_llsl): Likewise.
18835 (ashrdi3): Likewise.
18836 (aeabi_lasr): Likewise.
18837 (lshrdi3): Likewise.
18838 (aeabi_llsr): Likewise.
18839 2005-03-10 Julian Brown <julian@codesourcery.com>
18840 * config.gcc: Disable shared libgcc for SymbianOS.
18841 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18843 2006-01-18 DJ Delorie <dj@redhat.com>
18845 * c-pragma.c (handle_pragma_diagnostic): New.
18846 (init_pragma): Register it.
18847 * doc/extend.texi: Document it.
18849 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18850 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18851 (diagnostic_context): Add classify_diagnostic[].
18852 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18853 as errors if they're overridden to DK_WARNING.
18854 (diagnostic_initialize): Initialize classify_diagnostic[].
18855 (diagnostic_set_kind_override): New.
18856 (diagnostic_report_diagnostic): Check for kind changes.
18857 * opts.c (common_handle_option): Take lang_mask. Update callers.
18858 Handle OPT_Werror_.
18859 * common.opt (Werror=): New.
18860 * doc/invoke.texi: Document -Werror=*
18862 2006-01-18 Jeff Law <law@redhat.com>
18864 * tree-vrp.c (test_for_singularity): Correct test for new
18865 min limit. Use operand_equal_p rather than pointer equality
18866 for testing if new min/max values are equal.
18868 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18869 using range information until after propagation and folding.
18871 2006-01-18 Richard Henderson <rth@redhat.com>
18872 Aldy Hernandez <aldyh@redhat.com>
18873 Jakub Jelinek <jakub@redhat.com>
18874 Diego Novillo <dnovillo@redhat.com>
18876 * omp-low.c: New file.
18877 * c-omp.c: New file.
18879 2006-01-18 Richard Henderson <rth@redhat.com>
18880 Jakub Jelinek <jakub@redhat.com>
18881 Diego Novillo <dnovillo@redhat.com>
18883 * doc/invoke.texi: Document -fopenmp.
18884 * tree-dump.h (debug_function): Declare.
18885 * hooks.c (hook_bool_tree_bool_false): New function.
18886 (hook_tree_tree_null): Remove.
18887 (hook_tree_tree_tree_null): New.
18888 * hooks.h: Update to match.
18889 * tree-pretty-print.c (debug_tree_chain): New.
18890 (print_generic_expr): Handle TDF_CHAIN.
18891 (dump_generic_node): Handle BLOCK.
18892 Do not abort with incomplete SWITCH_EXPRs.
18893 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18894 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18895 print space after directive name.
18896 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18897 Handle OMP_MASTER and OMP_ORDERED.
18898 Handle printing of OMP_BODY just in one place, goto
18899 dump_omp_body in the rest of OMP_* nodes that have
18901 Don't handle clause nodes here. Update omp statements to
18902 use dump_omp_clauses.
18903 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18904 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18905 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18906 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18907 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18908 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18909 Adjust output for GOMP_PARALLEL.
18910 (dump_omp_clauses): New.
18911 (print_declaration): Dump DECL_VALUE_EXPR.
18912 (op_symbol_1): Split out of op_symbol.
18913 (dumping_stmts): Remove. Update all users.
18914 * cgraph.c (cgraph_analyze_queue): New.
18915 (cgraph_add_new_function): New.
18916 * cgraph.h (cgraph_analyze_queue): Declare.
18917 (cgraph_add_new_function): Declare.
18918 (cgraph_lower_function): Remove.
18919 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18920 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18921 and TYPE_P nodes in its default clause.
18922 (empty_body_p): New.
18923 (tree_range_check_failed): New.
18924 (build5_stat): New.
18925 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18926 OMP_CLAUSE_REDUCTION_MERGE,
18927 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18928 OMP_CLAUSE_PRIVATE_DEBUG,
18929 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18930 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18931 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18932 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18933 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18934 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18935 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18936 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18937 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18938 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18939 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18940 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18941 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18942 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18943 (TREE_RANGE_CHECK): New.
18944 (empty_body_p): Declare.
18945 (enum omp_clause_default_kind): New.
18946 (build_string_literal): Declare.
18947 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18948 (build5_stat, build5): Declare.
18949 * tree-pass.h (TDF_CHAIN): Define.
18950 * tree-pass.h (PROP_gimple_lomp): Define.
18951 (pass_lower_omp): Declare.
18952 * diagnostic.h (debug_tree_chain): Declare.
18953 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18955 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18956 * builtins.c (build_string_literal): Make extern.
18957 * gcc.c (include_spec_function): New.
18958 (static_spec_functions): Add it.
18959 (main): Move load of libgomp.spec ...
18960 (LINK_COMMAND_SPEC): ... here.
18961 (link_gomp_spec): New.
18962 (static_specs): Include it.
18963 (LINK_COMMAND_SPEC): Add link_gomp.
18964 (GOMP_SELF_SPECS): New.
18965 (driver_self_specs): Include it.
18966 (switch_matches): Don't mark inline.
18967 (main): Load libgomp.spec.
18968 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18969 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18970 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18971 * tree-gimple.h (enum omp_parallel): Declare.
18972 (determine_parallel_type): Declare.
18973 (omp_firstprivatize_variable): Declare.
18974 (omp_reduction_init): Declare.
18975 (diagnose_omp_structured_block_errors): Declare.
18976 (struct walk_stmt_info): Add want_return_expr.
18977 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18978 (find_omp_clause): Declare.
18979 (insert_field_into_struct): Declare.
18980 (struct walk_stmt_info): Move from tree-nested.c
18981 (walk_stmts): Declare.
18982 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18984 * cgraphunit.c (cgraph_lower_function): Make static.
18985 (cgraph_finalize_pending_functions): New.
18986 (cgraph_finalize_function): Call it.
18987 (cgraph_finalize_compilation_unit): Likewise.
18988 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18989 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18990 (BT_FN_UINT_UINT): New.
18991 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18992 DEF_FUNCTION_TYPE_VAR_4): Document.
18993 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18994 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18995 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18996 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18997 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18998 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18999 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
19000 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
19001 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
19002 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
19003 into separate files.
19004 (DEF_GOMP_BUILTIN): New.
19005 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
19006 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
19007 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
19008 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
19009 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
19010 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
19011 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
19012 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
19013 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
19014 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
19015 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
19016 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
19017 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
19018 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
19019 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
19020 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
19021 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
19022 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
19023 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
19024 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
19025 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
19026 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
19027 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
19028 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
19029 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
19030 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
19031 * sync-builtins.def: New file, moved from builtins.def.
19032 * omp-builtins.def: New file, moved from builtins.def.
19033 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
19034 * gimple-low.c (lower_function_body): Clear data.
19035 (lower_stmt): Do not handle COMPOUND_EXPR.
19036 Remove call to print_node_brief.
19037 * c-tree.h (c_finish_omp_clauses): New prototype.
19038 (C_DECL_THREADPRIVATE_P): Define.
19039 (lookup_name_no_remap, c_omp_remap_private): Remove
19040 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
19041 (check_for_loop_decls): Update decl.
19042 (lookup_name_no_remap, c_omp_remap_private): Declare.
19043 (build_indirect_ref, build_modify_expr, pushdecl,
19044 pushdecl_top_level): Move to c-common.h.
19045 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
19046 before the switch, but just in the 2 places that need it.
19047 * c-decl.c (diagnose_mismatched_decls): Do not check for
19048 mismatched thread-local attributes when OLDDECL is marked
19049 threadprivate and NEWDECL has no thread-local attributes.
19050 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
19051 (c_gimple_diagnostics_recursively): Rename from
19052 c_warn_unused_result_recursively. Invoke
19053 diagnose_omp_structured_block_errors.
19054 (check_for_loop_decls): Return a singular decl found.
19055 * langhooks.c (lhd_omp_predetermined_sharing): Return
19056 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
19057 (lhd_omp_firstprivatize_type_sizes): New.
19058 (lhd_omp_assignment): New.
19059 (lhd_omp_predetermined_sharing): New.
19060 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
19061 (struct lang_hooks_for_types): Add
19062 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
19063 omp_predetermined_sharing, omp_disregard_value_expr,
19064 omp_private_debug_clause, omp_clause_default_ctor,
19065 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
19066 (c_finish_omp_clauses): New.
19067 (c_finish_bc_stmt): Diagnose break within omp for.
19068 (c_begin_omp_parallel, c_finish_omp_parallel): New.
19069 (build_unary_op): Return error_mark after reporting
19071 (build_modify_expr): Likewise.
19072 * gimplify.c: Include optabs.h and pointer-set.h.
19073 (enum gimplify_omp_var_data): Declare.
19074 (struct gimplify_omp_ctx): Declare.
19075 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
19077 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
19078 (push_gimplify_context, pop_gimplify_context): Allow nesting.
19079 (splay_tree_compare_decl_uid): New.
19080 (new_omp_context): New.
19081 (delete_omp_context): New.
19082 (gimple_add_tmp_var): Call omp_add_variable.
19083 (gimplify_bind_expr): Likewise.
19084 (gimplify_var_or_parm_decl): If omp_notice_variable returned
19085 true, disregard DECL_VALUE_EXPR on the decl if any.
19086 (gimplify_expr_in_ctx): New.
19087 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
19088 omp_add_variable, omp_notice_variable, omp_is_private
19089 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
19090 gimplify_adjust_omp_clauses, gimplify_omp_parallel
19091 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
19092 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
19093 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
19094 gimplify_omp_atomic): New.
19095 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19096 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19097 OMP_CRITICAL and OMP_ATOMIC.
19098 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
19099 * c-pragma.h (enum pragma_kind): Add
19100 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
19101 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
19102 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
19103 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
19104 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
19105 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
19106 PRAGMA_OMP_THREADPRIVATE.
19107 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19108 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19109 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
19110 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
19111 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
19112 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
19113 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
19114 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
19115 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
19116 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
19117 * tree-ssa-dce.c (find_control_dependence): Do not assume that
19118 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
19119 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
19121 (struct nesting_info): Add field_map,
19122 suppress_expansion, debug_var_chain.
19123 (create_nesting_tree): Initialize them.
19124 (lookup_field_for_decl): Use field_map.
19125 (get_nonlocal_debug_decl, get_local_debug_decl): New.
19126 (convert_local_omp_clauses): New.
19127 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
19128 (walk_body): Split out of walk_function.
19129 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
19130 (convert_nonlocal_reference): Handle omp statements.
19131 (convert_local_reference): Likewise.
19132 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
19133 (unnest_nesting_tree): New.
19134 (lower_nested_functions): Call it.
19135 (insert_field_into_struct): Make extern.
19136 (struct walk_stmt_info): Move to tree-gimple.h.
19137 (walk_stmts): Make extern.
19138 * omp-builtins.def: New file.
19139 * tree-iterator.c (expr_only): Clarify comment.
19140 * c-common.h (pushdecl_top_level, pushdecl,
19141 build_modify_expr, build_indirect_ref,
19142 c_finish_omp_master, c_finish_omp_critical,
19143 c_finish_omp_ordered, c_finish_omp_barrier,
19144 c_finish_omp_atomic, c_finish_omp_flush,
19145 c_finish_omp_for, c_split_parallel_clauses,
19146 omp_clause_default_kind, c_omp_sharing_predetermined,
19147 c_omp_remap_decl): Declare.
19148 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
19149 (OBJS-common): Add omp-low.o.
19150 (c-omp.o, omp-low.o): Add.
19151 (gimplify.o): Add dependency on $(OPTABS_H).
19152 (GTFILES): Add omp-low.c.
19153 (gt-stringpool.h): Add.
19154 * tree-cfg.c (set_bb_for_stmt): Do not update the
19155 block-to-labels map if we are currently expanding to RTL.
19156 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
19158 Handle IDENTIFIER_NODE.
19159 (tree_verify_flow_info): Do not ICE when emitting error
19160 messages about invalid labels.
19161 (dump_function_to_file): Reset CFUN before emitting the body
19163 (debug_function): New.
19164 * passes.c (init_optimization_passes): Schedule
19166 * langhooks-def.h (lhd_omp_predetermined_sharing,
19167 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
19169 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
19170 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
19171 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
19172 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
19173 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
19174 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
19175 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
19176 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
19177 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
19178 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
19179 (LANG_HOOK_DECLS): Use them.
19181 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
19182 Richard Henderson <rth@redhat.com>
19183 Jakub Jelinek <jakub@redhat.com>
19184 Diego Novillo <dnovillo@redhat.com>
19186 * c-parser.c (pragma_omp_clause): Define.
19187 (c_parser_declaration_or_fndef): Document OpenMP syntax.
19188 (c_parser_compound_statement): Likewise.
19189 (c_parser_statement): Likewise.
19190 (c_parser_pragma): Handle omp pragmas.
19191 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
19192 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
19193 (c_parser_omp_clause_name, check_no_duplicate_clause,
19194 c_parser_omp_variable_list,
19195 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
19196 c_parser_omp_clause_copyprivate,
19197 c_parser_omp_clause_default,
19198 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
19199 c_parser_omp_clause_lastprivate,
19200 c_parser_omp_clause_nowait,
19201 c_parser_omp_clause_num_threads,
19202 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
19203 c_parser_omp_clause_reduction,
19204 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
19205 c_parser_omp_all_clauses, c_parser_omp_structured_block,
19206 c_parser_omp_atomic, c_parser_omp_barrier,
19207 c_parser_omp_critical, c_parser_omp_flush,
19208 c_parser_omp_for_loop, c_parser_omp_for,
19209 c_parser_omp_master, c_parser_omp_ordered,
19210 c_parser_omp_sections_scope, c_parser_omp_sections,
19211 c_parser_omp_parallel, c_parser_omp_single,
19212 c_parser_omp_construct, c_parser_omp_threadprivate): New.
19213 * c-pragma.c (init_pragma): Do omp pragma registration here.
19214 * c.opt (fopenmp): New flag.
19216 2006-01-18 Eric Christopher <echristo@apple.com>
19218 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
19219 * config/darwin.h (GOMP_SELF_SPECS): Define.
19221 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19223 * rtl.h: Remove the prototype for reg_alloc.
19225 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19228 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
19229 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
19230 sjlj and dwarf2 exception handling.
19231 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
19232 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
19233 * pa/pa.c (function_value): Treat complex and vector types as
19235 (function_arg): Likewise. Only pass scalar floats in the floating
19236 point argument registers.
19237 * pa/t-slibgcc-dwarf-ver: New file.
19238 * pa/t-slibgcc-sjlj-ver: New file.
19239 * pa/t-slibgcc-elf-ver: Delete file.
19241 2006-01-19 Alan Modra <amodra@bigpond.net.au>
19243 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
19244 unlikely_test_section_p test.
19246 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19248 * mode-switching.c (optimize_mode_switching): Make it static.
19249 * basic-block.h: Remove the prototype for
19250 optimize_mode_switching.
19252 * modulo-sched.c (sms_schedule): Make it static.
19253 * rtl.h: Remove the prototype for sms_schedule.
19255 * postreload-gcse.c (gcse_after_reload_main): Make it static.
19256 * rtl.h: Remove the prototype for gcse_after_reload_main.
19258 * reg-stack.c (reg_to_stack): Make it static.
19259 * rtl.h: Remove the prototype for reg_to_stack.
19261 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
19263 * rtl.h: Remove the prototypes for regrename_optimize and
19264 copyprop_hardreg_forward.
19266 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
19268 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
19269 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
19270 Test against the appropriate null constant for the mode.
19271 If 'fixup_overlap' is true, swap the operands if they overlap.
19272 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
19273 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
19274 alpha_split_tmode_pair and adjust for above change.
19275 * config/alpha/alpha.md (movtf_internal): Adjust call to
19276 alpha_split_tfmode_pair and rely on it to swap the operands.
19277 (movti_internal): New insn and post-reload splitter.
19278 (movti): New expander.
19280 2006-01-18 Philippe De Muyter <phdm@macqel.be>
19282 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
19285 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19287 * rtlanal.c (global_reg_mentioned_p_1,
19288 global_reg_mentioned_p): Remove.
19289 * rtl.h: Remove the prototype for global_reg_mentioned_p.
19291 * flow.c (initialize_uninitialized_subregs): Make it static.
19292 * rtl.h: Remove the prototype for
19293 initialize_uninitialized_subregs.
19295 * function.c (instantiate_virtual_regs): Make it static.
19296 * function.h: Remove the prototype for
19297 instantiate_virtual_regs.
19299 * regmove.c (regmove_optimize, combine_stack_adjustments):
19301 * rtl.h: Remove the prototypes for regmove_optimize and
19302 combine_stack_adjustments.
19304 2006-01-17 Roger Sayle <roger@eyesopen.com>
19306 * config/i386/i386.c (COSTS_N_BYTES): New macro.
19307 (size_cost): Encode costs in bytes so that a reg-reg addition is
19308 equivalent to COSTS_N_INSNS(1).
19309 (override_options): Use the size_cost.branch_cost as the default
19310 ix86_branch_cost when optimizing for size.
19312 2006-01-18 Ben Elliston <bje@au.ibm.com>
19314 * Makefile.in (D32PBIT_FUNCS): New.
19315 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
19316 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
19317 D64PBIT_FUNCS and D128PBIT_FUNCS.
19318 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
19319 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
19321 (decnumber_dep): Define.
19322 * doc/libgcc.texi (Decimal float library routines): New node.
19323 * config/dfp-bit.h, config/dfp-bit.c: New files.
19325 2006-01-18 Ben Elliston <bje@au.ibm.com>
19327 * expr.c (emit_move_change_mode): Always adjust addresses, not
19328 just during reload. Copy replacements only during reload.
19329 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
19330 emit_move_via_integer.
19332 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
19334 * Makefile.in (check-%, check-consistency): Use $${srcdir}
19335 instead of $(srcdir) and ${srcdir}.
19337 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
19340 PR middle-end/11135
19341 * arm.h (struct machine_function): Add pic_reg.
19342 * arm.c (arm_pic_register): Make unsigned.
19343 (arm_override_options): Only set arm_pic_register if
19344 TARGET_SINGLE_PIC_BASE.
19345 (use_return_insn): Only test for a pic register if it is fixed.
19346 (arm_compute_save_reg0_reg12_mask): Likewise.
19347 (thumb_compute_save_reg_mask): Likewise.
19348 (legitimate_pic_operand): Factor out some known invariants.
19349 (legitimize_pic_address): If we don't have a fixed pic register,
19350 then set up a pseudo in the function entry sequence. Handle the
19351 pic base being in a pseudo.
19352 (arm_load_pic_register): Handle the pic register being in a pseudo.
19353 (arm_expand_prologue): Only set up the pic register if it is fixed.
19354 (thumb_expand_prologue): Likewise.
19355 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
19356 (pic_load_addr_based_insn): Likewise.
19357 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
19360 2006-01-18 Ben Elliston <bje@au.ibm.com>
19362 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
19363 decimal float modes for all floating point registers.
19365 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
19366 match_code "mem" with match_test "macho_lo_sum_memory_operand".
19368 2006-01-17 Jakub Jelinek <jakub@redhat.com>
19371 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
19372 even when the pointer is not NULL.
19374 2006-01-16 Ian Lance Taylor <ian@airs.com>
19376 * common.opt (ftoplevel-reorder): New option.
19377 * cgraph.c (cgraph_asm_nodes): New global variable.
19378 (cgraph_asm_last_node): New static variable.
19379 (cgraph_order): New global variable.
19380 (cgraph_create_node): Set new order field.
19381 (cgraph_varpool_node): Likewise.
19382 (decide_is_variable_needed): Return true if not
19383 flag_toplevel_reorder.
19384 (cgraph_add_asm_node): New function.
19385 * cgraph.h (struct cgraph_node): Add order field.
19386 (struct cgraph_varpool_node): Add order field.
19387 (struct cgraph_asm_node): Define.
19388 (cgraph_asm_nodes, cgraph_order): Declare.
19389 (cgraph_add_asm_node): Declare.
19390 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
19392 (cgraph_varpool_assemble_pending_decls): Call it.
19393 (cgraph_output_pending_asms): New static function.
19394 (cgraph_finalize_compilation_unit): Call it.
19395 (struct cgraph_order_sort): Define.
19396 (cgraph_output_in_order): New static function.
19397 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
19398 !flag_toplevel_reorder case.
19399 * c-parser.c: Include "cgraph.h".
19400 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
19402 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
19403 than -fno-unit-at-a-time.
19404 * doc/invoke.texi (Option Summary): Mention
19405 -fno-toplevel-reorder.
19406 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
19407 -funit-at-a-time documentation.
19409 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
19410 Kazu Hirata <kazu@codesourcery.com>
19412 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
19414 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
19416 * Makefile.in (FUNCTION_H): New. Use it instead of
19417 function.h throughout the file.
19418 * function.h: Include tree.h.
19420 2006-01-17 Ben Elliston <bje@au.ibm.com>
19422 * recog.c: Separate some functions with whitespace.
19424 2006-01-16 Richard Henderson <rth@redhat.com>
19426 Merge from gomp branch:
19427 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
19428 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
19429 and rename from struct inline_data. Rename callee* to dst*;
19430 caller* to src*; add copy_decl hook, transform_call_graph_edges,
19431 transform_new_cfg, transform_return_to_modify, and
19432 transform_lang_insert_block flags; remove cloning_p, versioning_p,
19434 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
19435 (copy_decl_for_dup): Remove.
19436 * tree-inline.c (struct inline_data): Move to header.
19437 (insert_decl_map): Export.
19438 (remap_decl): Update for member name changes. Use copy_decl hook.
19439 Allow for replacement to be a non-decl. Remove dead code.
19440 (remap_type_1): Check for existing mapping.
19441 (remap_type): Export.
19442 (remap_decls): Update for member name changes.
19443 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
19444 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
19445 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
19446 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
19447 (tree_function_versioning, build_duplicate_type): Likewise.
19448 (copy_body_r): Likewise. Export.
19449 (copy_decl_for_dup): Split into ...
19450 (copy_decl_for_dup_finish, copy_decl_to_var,
19451 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
19452 (replace_ref_tree, inlining_p): Remove.
19454 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19456 * ifcvt.c (if_convert): Make it static.
19457 * rtl.h: Remove the prototype for if_convert.
19459 * local-alloc.c (local_alloc): Make it static.
19460 * rtl.h: Remove the prototype for local_alloc.
19462 * loop.c (loop_optimize): Make it static.
19463 * cfgloop.h: Remove the prototype for loop_optimize.
19466 2006-01-16 DJ Delorie <dj@redhat.com>
19468 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
19471 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19473 * pa.md: Disparage copies between general and floating-point registers
19474 in 32-bit move patterns.
19476 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
19479 * Makefile.in (check-%): Depend on site.exp instead of
19480 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
19483 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19485 * global.c (global_alloc): Make it static.
19486 * rtl.h: Remove the prototype for global_alloc.
19488 2006-01-16 Richard Guenther <rguenther@suse.de>
19490 * tree-ssa-alias.c (struct used_part): Add write_only field.
19491 (get_or_create_used_part_for): Initialize it to true.
19492 (create_overlap_variables_for): Don't create structure variables
19493 for structures that only are written to.
19494 (find_used_portions): Handle MODIFY_EXPR to track whether a
19495 structure is only written to.
19497 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19499 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
19501 * basic-block.h: Remove the prototype for
19502 partition_hot_cold_basic_blocks.
19504 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
19506 * cppspec.c (lang_specific_spec_functions): Remove.
19507 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
19508 * gcc.h (lang_specific_spec_functions): Remove.
19509 * gccspec.c (lang_specific_spec_functions): Remove.
19511 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
19513 * combine.c (record_value_for_reg): Invalidate registers
19515 (record_dead_and_set_regs_1): Likewise, by passing them to
19516 record_value_for_reg.
19517 (record_dead_and_set_regs): Invalidate stores made by a
19518 call. We do not combine across a call, but we still
19519 relied on equivalences.
19521 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19523 * tree-vrp.c (extract_range_from_binary_expr): Cope with
19524 vrp_int_const_binop returning non-constant nodes.
19526 2006-01-16 Paul Brook <paul@codesourcery.com>
19528 * config/m68k/m68k.c (output_move_const_into_data_reg):
19529 Output correct mnemonic for mvz and mvs.
19531 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
19533 * rtl-factoring.c: Add sequence abstraction algorithm.
19534 * cfgcleanup.c (outgoing_edges_match): Extra checks.
19535 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
19537 (block_has_preserve_label): New function.
19538 * common.opt: Register new pass.
19539 * Makefile.in: Ditto.
19541 * timevar.def: Ditto.
19542 * tree-pass.h: Ditto.
19543 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
19544 * rtl.h (make_jump_insn_raw): Add forward decl.
19545 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
19547 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19548 Roger Sayle <roger@eyesopen.com>
19550 * fold-const.c (fold_minmax): New static function.
19551 (fold_binary) <MIN_EXPR>: Call it.
19552 <MAX_EXPR>: Likewise.
19553 * stor-layout.c (place_field): Use DECL_SIZE consistently
19554 in the computation of the new record size.
19556 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19558 * cse.c (cse_condition_code_reg): Make it static.
19559 * rtl.h: Remove the prototype for cse_condition_code_reg.
19561 * combine.c (combine_instructions): Make it static.
19562 * rtl.h: Remove the prototype for combine_instructions.
19564 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19567 * tree.c (get_file_function_name_long): Concatenate the first global
19568 object name with a string derived from the input filename of the object
19571 2006-01-16 Ben Elliston <bje@au.ibm.com>
19573 * config/i386/winnt-stubs.c: Update FSF address.
19574 * config/xtensa/ieee754-df.S: Ditto.
19575 * config/xtensa/ieee754-sf.S: Ditto.
19577 2006-01-14 Ian Lance Taylor <ian@airs.com>
19579 * ifcvt.c (noce_init_if_info): New static function, broken out of
19580 noce_process_if_block.
19581 (noce_process_if_block): Call noce_init_if_info.
19582 (check_cond_move_block): New static function.
19583 (cond_move_process_if_block): New static function.
19584 (process_if_block): Call cond_move_process_if_block.
19586 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19588 * cselib.c (hash_table): Rename to cselib_hash_table.
19589 (cselib_clear_table, discard_useless_values,
19590 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19591 cselib_init, cselib_finish): Adjust uses of hash_table.
19593 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19595 PR tree-optimization/25485
19596 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19597 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19598 is known to be false and true, respectively.
19600 2006-01-14 Richard Guenther <rguenther@suse.de>
19602 PR tree-optimization/22548
19603 PR tree-optimization/22555
19604 PR tree-optimization/22501
19605 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19606 * params.def (salias-max-array-elements): New parameter.
19607 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19608 * doc/invoke.texi (salias-max-array-elements): Document.
19609 * tree-flow-inline.h (var_can_have_subvars): We also handle
19611 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19613 * tree-ssa-structalias.c (params.h): Include.
19614 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19615 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19616 (get_constraint_for): For ADDR_EXPR operating on something
19617 containing an ARRAY_REF, add all subvars to the solution.
19618 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19619 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19620 for creating MUST_DEFs.
19621 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19623 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19625 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19627 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19628 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19629 number_of_iterations_le): New functions.
19630 (number_of_iterations_special): Removed.
19631 (number_of_iterations_exit): Do not use number_of_iterations_special.
19632 * tree.c (unsigned_type_for): Always return integer type.
19634 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19635 Richard Guenther <rguenther@suse.de>
19637 PR rtl-optimization/24257
19638 * gcse.c (find_moveable_store): Only consider a store movable
19639 when the SET_SRC of the insn can be assigned to a register.
19641 2006-01-14 Ian Lance Taylor <ian@airs.com>
19643 * tree.c (tree_not_class_check_failed): New function.
19644 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19645 (tree_not_class_check_failed): Declare.
19647 2006-01-13 Ian Lance Taylor <ian@airs.com>
19649 * reload1.c (do_output_reload): Add assertion rejecting a
19652 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19654 * combine.c (struct reg_stat): Add new fields truncation_label and
19656 (record_value_for_reg): Reset truncated_to_mode.
19657 (record_truncated_value): New function.
19658 (check_promoted_subreg): Call it. Rename to check_conversions.
19659 (combine_instructions): Rename check_promoted_subreg to
19661 (reg_truncated_to_mode): New function.
19662 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19663 (gen_lowpart_or_truncate): New function.
19664 (force_to_mode): Use it instead of gen_lowpart.
19666 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19668 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19669 VAR is a tag, not its type tag.
19671 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19673 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19674 alternatives to match style of other entries.
19675 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19677 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19679 PR tree-optimization/25771
19680 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19683 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19686 * tree-inline.c (declare_return_variable): If the return variable
19687 was marked as a non gimple complex, set the return slot variable
19688 to be a non gimple comple variable.
19690 2006-01-13 Richard Guenther <rguenther@suse.de>
19692 * builtins.c (expand_builtin_sincos): New function.
19693 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19695 (expand_builtin): Expand sincos using expand_builtin_sincos.
19697 2006-01-12 DJ Delorie <dj@redhat.com>
19699 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19700 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19701 so that constant shifts can be split.
19702 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19703 (m32c_valid_pointer_mode): Make static.
19704 (shift_gen_func_for): New.
19705 (m32c_prepare_shift): Use it. Split large const shifts into
19707 * config/m32c/predicates.md (shiftcount_operand): Allow more
19709 (longshiftcount_operand): New.
19710 * doc/md.texi (Machine Constraints): Document In6.
19712 2006-01-13 Ben Elliston <bje@au.ibm.com>
19714 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19715 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19718 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19720 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19721 to try to avoid clobbering pieces of structures when we know
19722 something about the whole structure.
19723 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19725 2006-01-13 Ben Elliston <bje@au.ibm.com>
19727 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19728 return in memory, as this is no limitation is no longer present.
19730 2006-01-12 DJ Delorie <dj@redhat.com>
19732 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19733 mova with fb, and for fb+0 -> An.
19735 * config/m32c/mov.md (peephole2): Fix enabling logic.
19737 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19738 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19739 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19740 FINI_ARRAY_SECTION_ASM_OP): Define.
19742 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19744 (m32c_legitimize_reload_address): New logic to reload FB to An.
19745 (m32c_output_reg_push): Add newline.
19746 (m32c_output_reg_pop): Likewise.
19748 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19750 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19752 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19754 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19756 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19758 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19761 2006-01-11 Ben Elliston <bje@au.ibm.com>
19763 * rtlanal.c (find_reg_note): Assert insn is not null.
19765 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19767 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19770 2006-01-11 Jeff Law <law@redhat.com>
19772 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19774 (mark_threaded_blocks, register_jump_thread): New functions.
19775 (thread_through_all_blocks): Remove unwanted argument. No
19776 longer rely on e->aux to communicate thread target info.
19777 Call mark_threaded_blocks. Release the threaded_blocks
19778 bitmap and threaded_edges vector when complete.
19779 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19780 (threaded_blocks): Remove.
19781 (tree_ssa_dominator_optimize): Remove initialization and
19782 finalization of threaded_blocks. Simplify call to
19783 thread_through_all_blocks.
19784 (thread_across_edge): Call register_jump_thread rather than
19785 storing thread information into e->aux.
19786 (free_all_edge_infos): Simplify now that e->aux is no longer
19787 used to communicate with thread_through_all_blocks.
19788 * tree-flow.h (thread_through_all_blocks): Update prototype.
19789 (register_jump_thread): Prototype.
19791 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19793 * df-core.c (df_compact_blocks, df_bb_replace): Use
19794 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19796 2006-01-11 Richard Guenther <rguenther@suse.de>
19798 PR tree-optimization/25734
19799 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19800 stop propagation after successful propagation to the LHS.
19802 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19804 * basic-block.h (control_flow_graph): Change the type of
19805 x_basic_block_info to VEC(basic_block,gc) *.
19806 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19808 (SET_BASIC_BLOCK): New.
19809 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19810 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19811 * cfgbuild.c (find_basic_blocks): Likewise.
19812 * cfglayout.c (fixup_reorder_chain): Likewise.
19813 * cfgrtl.c (create_basic_block_structure,
19814 rtl_create_basic_block): Likewise.
19815 * ifcvt.c (find_if_case_1): Likewise.
19816 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19819 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19821 * Makefile.in: Removed rotted odf.c entry.
19823 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19826 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19827 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19828 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19829 output pattern modifier, not %e.
19830 * config/cris/cris.c (cris_op_str): Update comment about pattern
19832 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19833 before falling through into...
19834 <case 'E'>: Redefined from old 'e' case.
19836 2006-01-11 Jan Hubicka <jh@suse.cz>
19839 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19841 2006-01-11 Jan Hubicka <jh@suse.cz>
19843 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19844 * i386.c (x86_decompose_lea): Kill.
19845 (ix86_rtx_costs): Kill.
19847 2006-01-11 Jan Hubicka <jh@suse.cz>
19849 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19850 * cgraph.h (cgraph_node): Add inline_decl.
19851 (cgraph_insert_node_to_hashtable): Declare.
19852 (save_inline_function_body): Declare.
19853 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19855 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19856 (cgraph_function_versioning): Update call of tree_function_versioning.
19857 (save_inline_function_body): New function.
19858 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19859 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19860 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19861 (cgraph_default_inline_p): Likewise.
19862 (cgraph_decide_inlining_incrementally): Likewise.
19863 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19864 (copy_bb): Kill saving; do updating of clones.
19865 (copy_cfg_body): Kill saving.
19866 (initialize_inlined-parameters): Likewise.
19867 (expand_call_inline): Likewise.
19869 (tree_function_versioning): New parameter "update_clones".
19870 (inlining_p): Kill saving.
19871 * tree-inline.h (tree_function_versioning): Update prototype.
19872 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19875 2006-01-11 Ian Lance Taylor <ian@airs.com>
19877 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19878 Allow undoing set of machine mode.
19879 (do_SUBST): Use enums instead of is_int.
19880 (do_SUBST_MODE): New function.
19881 (SUBST_MODE): New macro.
19882 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19883 reg and trying to replace reg_regno_rtx with a new register.
19884 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19885 (simplify_set): Use SUBST_MODE.
19886 (distribute_notes): Remove code that tried to update reg notes
19887 for regno_reg_rtx changes.
19889 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19891 PR tree-optimization/23109
19892 PR tree-optimization/23948
19893 PR tree-optimization/24123
19895 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19896 * tree-cfg.c (single_noncomplex_succ): New.
19897 * tree-flow.h (single_noncomplex_succ): Declare it.
19898 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19899 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19900 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19901 insert_bb, register_division_in, insert_reciprocals,
19902 replace_reciprocal, free_bb): New.
19903 (execute_cse_reciprocals_1): Rewritten.
19904 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19905 Do not commit any edge insertion. Always compute dominators and
19906 create the allocation pool.
19907 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19908 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19909 * targhooks.c (default_min_divistions_for_recip_mul): New.
19910 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19911 * passes.c (init_optimization_passes): Run recip after tree loop
19913 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19915 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19916 Kenneth Zadeck <zadeck@naturalbridge.com>
19918 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19919 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19920 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19921 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19922 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19923 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19924 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19925 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19926 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19927 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19928 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19929 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19930 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19931 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19932 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19933 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19934 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19935 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19936 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19937 DF_SCAN_POST_ALLOC): New macros.
19938 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19939 df_free_bb_function, df_local_compute_function, df_init_function,
19940 df_dataflow_function, df_confluence_function_0,
19941 df_confluence_function_n, df_transfer_function,
19942 df_finalizer_function, df_free_function, df_dump_problem_function,
19943 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19944 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19945 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19946 df_urec_bb_info, ) New types.
19947 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19949 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19950 df_analyze_simple_change_some_blocks,
19951 df_analyze_simple_change_one_block, df_compact_blocks,
19952 df_bb_replace, df_bb_regno_last_use_find,
19953 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19954 df_insn_regno_def_p, df_find_def, df_find_use,
19955 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19956 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19957 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19958 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19959 debug_df_chain, df_get_dependent_problem, df_chain_create,
19960 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19961 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19962 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19963 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19964 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19965 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19966 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19967 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19968 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19969 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19970 df_reorganize_refs, df_set_state, df_hard_reg_init,
19971 df_read_modify_subreg_p) New public functions.
19972 * df-core.c: The core dataflow solver and glue routines for rtl
19974 (df_init, df_add_problem, df_set_blocks, df_finish,
19975 df_hybrid_search_forward, df_hybrid_search_backward,
19976 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19977 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19978 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19979 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19980 df_reg_defined, df_find_use, df_reg_used, df_dump,
19981 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19982 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19983 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19984 debug_df_useno, reset_df_after_reload): New functions.
19985 * df-scan.c: The scanning fuctions, once in df.c, completely
19986 rewritten so that they now fully model the functionality of
19987 register usage at the backend.
19988 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19989 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19990 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19991 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19992 df_get_artificial_defs, df_get_artificial_uses,
19993 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19994 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19995 df_refs_delete, df_reorganize_refs, df_set_state,
19996 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19997 df_def_record_1, df_defs_record, df_uses_record,
19998 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19999 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
20000 df_record_exit_block_uses, df_hard_reg_init): New functions.
20002 * df-problems.c: Seven concrete dataflow problems that use the
20003 scanning in df-scan.c and are solved by the engine in df-core.c.
20004 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
20005 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
20006 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
20007 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
20008 df_ru_free_bb_info, df_ru_alloc,
20009 df_ru_bb_local_compute_process_def,
20010 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
20011 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
20012 df_ru_transfer_function, df_ru_free, df_ru_dump,
20013 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
20014 df_rd_free_bb_info, df_rd_alloc,
20015 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
20016 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
20017 df_rd_transfer_function, df_rd_free, df_rd_dump,
20018 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
20019 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
20020 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
20021 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
20022 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
20023 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
20024 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
20025 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
20026 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
20027 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
20028 df_urec_mark_reg_change, df_urec_check_earlyclobber,
20029 df_urec_mark_reg_use_for_earlyclobber,
20030 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
20031 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
20032 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
20033 df_urec_dump, df_urec_add_problem, df_chain_alloc,
20034 df_chain_create_bb_process_use, df_chain_create_bb,
20035 df_chain_finalize, df_chain_free, df_chains_dump,
20036 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
20037 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
20038 df_reg_lifetime): New functions.
20039 * df.c: Deleted file.
20040 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
20041 consistent with new df api.
20042 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
20043 rest_of_handle_sms): Ditto.
20044 * web.c (unionfind_union, union_defs, entry_register, web_main):
20046 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
20047 invariant_expr_equal_p, find_defs, check_dependencies,
20048 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
20049 free_inv_motion_data, move_loop_invariants): Ditto.
20050 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
20051 Update dependencies.
20052 (odf.c): Added defective entry that was deleted later in day.
20053 * sched-deps.c (sched_analyze_1): Ditto.
20055 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
20057 * tree-ssa-operands.c (get_expr_operands): Record addressable
20058 variables directly. Do not call add_stmt_operands for CONST_DECLs
20060 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
20061 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
20063 2006-01-11 Ben Elliston <bje@au.ibm.com>
20065 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
20066 function returns true in the positive case.
20068 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20071 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
20072 for SI, DI, SF and DF modes. Add alternatives to copy between
20073 general and floating point registers to the 32-bit patterns.
20074 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
20075 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
20076 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
20077 generating 64-bit code.
20078 * config/pa/pa.c (output_move_double): Handle copies between general
20079 and floating registers.
20081 2006-01-10 Stuart Hastings <stuart@apple.com>
20083 * config/i386/i386.md (set_got): Update.
20084 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
20085 (builtin_setjmp_receiver): Mach-O support.
20086 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
20087 (GOT_SYMBOL_NAME): Define.
20088 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
20089 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
20090 * config/i386/i386.c (override_options): Revise for Darwin.
20091 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
20092 support. (darwin_x86_file_end): New. (output_set_got): Add label
20093 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
20094 * config/i386/i386-protos.h (output_set_got): Likewise.
20095 * config/darwin.c (machopic_legitimize_pic_address): Update
20098 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
20100 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
20101 when MODE isn't BLKmode.
20103 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
20105 PR rtl-optimization/25367
20106 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
20108 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
20111 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
20112 for a negative bound.
20114 2006-01-10 Richard Guenther <rguenther@suse.de>
20116 * tree-ssa-structalias.c (get_constraint_for_component_ref):
20117 Never override with anything constraint.
20119 2006-01-10 Jan Beulich <jbeulich@novell.com>
20121 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
20122 256 bits when optimize_size.
20124 2006-01-10 Jan Beulich <jbeulich@novell.com>
20126 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
20128 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
20129 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
20132 2006-01-10 Ben Elliston <bje@au.ibm.com>
20134 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
20136 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
20137 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
20138 (USE_FP_FOR_ARG): Reject decimal float modes.
20139 (function_arg_advance): Likewise.
20140 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
20141 (rs6000_handle_altivec_attribute): Do not permit decimal floating
20142 point types in AltiVec vectors.
20143 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
20144 (rs6000_libcall_value): Likewise.
20146 2006-01-09 Bob Wilson <bob.wilson@acm.org>
20148 * config/xtensa/ieee754-df.S: New file.
20149 * config/xtensa/ieee754-sf.S: New file.
20150 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
20151 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
20152 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
20154 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
20156 * config/sh/predicates.md (binary_float_operator,
20157 binary_logical_operator, commutative_float_operator,
20158 equality_comparison_operator, greater_comparison_operator,
20159 less_comparison_operator, logical_operator,
20160 noncommutative_float_operator, shift_operator,
20161 symbol_ref_operand, unary_float_operator): Remove redundant
20164 2006-01-09 Jeff Law <law@redhat.com>
20166 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
20167 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
20168 now unused arguments. Callers updated.
20169 (eliminate_redundant_computations): Remove now unused arguments,
20171 (local_fold): Remove, no longer used.
20172 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
20174 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
20175 (simplify_cond): New function.
20176 (forward_propagate_into_cond): Call simplify_cond.
20178 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
20180 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
20181 (*vec_extractv2di_1_sse): New.
20183 2006-01-09 Ben Elliston <bje@au.ibm.com>
20185 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
20187 2006-01-08 Richard Guenther <rguenther@suse.de>
20189 * tree-ssa-structalias.c (get_constraint_for): Remove
20190 anyoffset argument.
20191 (get_constraint_for_component_ref): Likewise.
20192 (do_deref): Likewise.
20193 (get_constraint_for): Likewise.
20194 (do_structure_copy): Likewise.
20195 (handle_ptr_arith): Likewise.
20196 (find_func_aliases): Likewise. Remove unused need_anyoffset
20199 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
20200 Kaz Kojima <kkojima@gcc.gnu.org>
20202 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
20203 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
20204 (EXTRA_CONSTRAINT_C16): Remove.
20205 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
20206 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
20207 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
20208 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
20209 constants of SHmedia. Handle nested constant expressions of
20211 (andcosts): Fix the costs for SHmedia constants.
20212 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
20213 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
20214 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
20215 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
20216 (movv4hi_i, movv2si_i): Likewise.
20217 (movsi_const): Adjust the second operand of ior so to match with
20218 the Csu constraint.
20219 (movdi_const, movdi_const_32bit): Likewise.
20220 (movdi_const_16bit+1): Don't sign-extend LOW.
20221 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
20223 (*double_shori): Fix the split condition. Use GEN_INT instead
20224 of get_int_mode calls. Mask lower 16-bit of the argument of
20226 (sym2GOTPLT): Remove.
20227 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
20229 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
20230 instead of EXTRA_CONSTRAINT_C16.
20232 2006-01-07 Ian Lance Taylor <ian@airs.com>
20233 David Edelsohn <edelsohn@gnu.org>
20235 PR rtl-optimization/25662
20236 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
20237 for constant operands instead of simplify_gen_binary.
20238 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
20239 after trying simplify_binary_operation
20241 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
20243 * tree.c (iterative_hash_expr): Hash decls based on UID.
20245 2006-01-06 Eric Christopher <echristo@apple.com>
20247 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
20248 (TARGET_UNWIND_EMIT): Fix spelling.
20249 * target.h (gcc_target): Add except_table_label.
20250 * except.c (output_function_exception_table): Use.
20251 * varasm.c (default_emit_except_table_label): New.
20252 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
20254 (asm_out): Add here.
20255 * output.h (default_emit_except_table_label): Prototype.
20256 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
20257 * config/darwin.c (darwin_emit_except_table_label): Define.
20258 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
20260 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
20262 PR tree-optimization/18527
20263 * tree-ssa-loop-niter.c (number_of_iterations_cond,
20264 number_of_iterations_special, number_of_iterations_exit):
20265 Move base and step of an iv to a single structure. Add
20266 no_overflow flag, and use it in # of iterations analysis.
20267 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
20268 folded_casts argument.
20269 (simple_iv): Pass base and step in a structure. Set no_overflow
20271 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
20272 Evaluate expensiveness of computing # of iterations instead of
20273 the final expression.
20274 * tree-scalar-evolution.h (affine_iv): New structure.
20275 (simple_iv): Declaration changed.
20276 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
20277 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
20278 find_givs_in_stmt): Changed due to simple_iv change.
20280 2006-01-06 Jeff Law <law@redhat.com>
20283 * tree-cfg.c (bsi_replace): Rename final argument from
20284 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
20285 change (stmt -> orig_stmt).
20286 * tree-eh.c (verify_eh_throw_stmt_node): New function.
20287 (bsi_remove): Add new argument. Remove EH information
20289 (verify_eh_throw_table_statements): New function.
20290 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
20292 * tree-optimize.c (execute_free_cfg_annotations): Verify
20293 the EH throw statement table after removing annotations.
20294 * except.h (verify_eh_throw_table_statements): Prototype.
20295 * tree-flow.h (bsi_remove): Update prototype.
20296 * tree-vrp.c (remove_range_assertions): Add new argument to
20298 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
20299 * tree-complex.c (expand_complex_div_wide): Likewise.
20300 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
20301 * tree-tailcall.c (eliminate_tailcall): Likewise.
20302 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
20303 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
20304 * tree-nrv.c (tree_nrv): Likewise.
20305 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
20306 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
20307 (combine_blocks): Likewise.
20308 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
20309 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
20310 (cleanup_control_flow): Likewise.
20311 (remove_forwarder_block): Likewise.
20312 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
20313 * tree-sra.c (sra_replace): Likewise.
20314 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
20315 (forward_propagate_single_use_vars): Likewise.
20316 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
20317 * tree-inline.c (expand_call_inline): Likewise.
20318 * tree-vect-transform.c (vect_transform_loop): Likewise.
20319 * tree-outof-ssa.c (rewrite_trees): Likewise.
20320 * tree-cfg.c (make_goto_expr_edges): Likewise.
20321 (cleanup_dead_labels): Likewise.
20322 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
20323 (bsi_move_before, bsi_move_after): Likewise.
20324 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
20325 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
20327 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
20330 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
20332 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
20333 on non gimple variables. Also add checks at the top for decls and
20335 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
20337 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
20338 and IMAGPART_EXPR for creating MUST_DEFs.
20339 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
20340 and NAME_MEMORY_TAG separately from the DECLs.
20342 2006-01-06 Richard Guenther <rguenther@suse.de>
20344 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
20345 annotation, if necessary.
20346 * tree-ssa-pre.c (create_expression_by_pieces): Remove
20347 redundant calls to update_stmt.
20348 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
20351 2006-01-05 Richard Henderson <rth@redhat.com>
20353 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
20355 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20357 * c-typeck.c: Update copyright date.
20359 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20361 * c-typeck.c (build_c_cast): Always warn when casting
20362 from a pointer to an integer of different size, even if
20363 the node was constant.
20365 2006-01-05 Richard Guenther <rguenther@suse.de>
20367 PR tree-optimization/22555
20368 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
20369 if one structure field is an array.
20370 * tree-ssa-operands.c (get_expr_operands): Continue scanning
20371 operands even if we found a subvar, but ignore VOPs in this
20373 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
20375 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
20377 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
20379 PR middle-end/24998
20380 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
20382 2006-01-05 Richard Guenther <rguenther@suse.de>
20383 Diego Novillo <dnovillo@redhat.com>
20385 * tree-pass.h (TODO_remove_unused_locals): Define.
20386 * gimple-low.c (expand_var_p, remove_useless_vars,
20387 pass_remove_useless_vars): Remove. Update all users.
20388 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
20389 (remove_unused_locals): New function.
20390 * tree-flow.h (remove_unused_locals): Declare.
20391 * passes.c (execute_todo): Call remove_unused_locals if
20392 TODO_remove_unused_locals is set.
20393 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
20394 * tree-ssa-dce.c (pass_dce): Likewise.
20395 * tree-outof-ssa.c (pass_del_ssa): Likewise.
20397 2006-01-05 Richard Guenther <rguenther@suse.de>
20399 * tree-flow.h (struct fieldoff): Decompose field to
20400 type, size and decl.
20401 * tree-ssa-alias.c (create_sft): Take type as parameter.
20402 (create_overlap_variables_for): Store type, size and decl
20403 in the fieldoff structure.
20404 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
20405 of struct fieldoff.
20406 (push_fields_onto_fieldstack): Likewise.
20407 (create_variable_info_for): Likewise. Use offset for the
20408 SFT name if the decl is not available.
20410 2006-01-04 Paul Brook <paul@codesourcery.com>
20412 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
20414 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
20416 * lambda-code.c (can_put_in_inner_loop): Relax
20418 (can_put_after_inner_loop): New function.
20419 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
20420 (perfect_nestify): Change to make copies and modify uses.
20422 2006-01-04 Richard Henderson <rth@redhat.com>
20424 Merge from gomp branch:
20425 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
20426 via integer constant.
20427 (pragma_lex): Remove.
20428 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
20429 rather than parsing it.
20430 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
20431 handle_pragma_extern_prefix): Add %< %> quotes.
20432 (registered_pragmas): New.
20433 (c_register_pragma_1): New.
20434 (c_register_pragma): Use it.
20435 (c_register_pragma_with_expansion): Likewise.
20436 (c_invoke_pragma_handler): New.
20437 (init_pragma): Use cpp_register_deferred_pragma directly for
20439 * c-pragma.h (enum pragma_kind): New.
20440 (pragma_handler): New.
20441 (c_invoke_pragma_handler): Declare.
20442 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
20444 * c-common.h (c_common_pch_pragma): Update decl.
20445 * Makefile.in (c-parser.o): Update dependencies.
20446 (GTFILES): Add c-pragma.h.
20447 * c-parser.c (struct c_token): Add pragma_kind.
20448 (struct c_parser): Add in_pragma.
20449 (c_lex_one_token): Always initialize keyword and pragma_kind.
20450 Extract data for CPP_PRAGMA.
20451 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
20452 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
20453 Don't allow CPP_PRAGMA_EOL if in_pragma.
20454 (c_parser_consume_pragma): New.
20455 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
20456 (c_parser_skip_to_end_of_parameter): Likewise.
20457 (c_parser_skip_to_end_of_block_or_statement): Likewise.
20458 (c_parser_skip_to_pragma_eol): New.
20459 (c_parser_external_declaration): Handle CPP_PRAGMA.
20460 (c_parser_compound_statement_nostart): Likewise.
20461 (c_parser_statement_after_labels): Likewise.
20462 (c_parser_pragma): New.
20463 (pragma_lex): Likewise.
20464 (c_parser_pragma_pch_preprocess): New.
20465 (c_parser_new): Merge into ...
20466 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
20468 2006-01-04 Jeff Law <law@redhat.com>
20471 * tree-cfg.c (bsi_replace): Remove the original statement
20472 from the EH throw statement table.
20474 2006-01-04 Jakub Jelinek <jakub@redhat.com>
20476 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
20477 make the prototype extern "C" and add throw ().
20480 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
20481 and pos non-negative and pos + len <= 32.
20482 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
20483 drop pos + len < HOST_BITS_PER_WIDE_INT test.
20484 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
20487 * c-common.c (handle_vector_size_attribute): Reject zero vector size
20488 as well as sizes not multiple of component size.
20491 * function.c (instantiate_expr): New function.
20492 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
20493 walk its DECL_VALUE_EXPR with instantiate_expr.
20495 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
20496 DW_OP_deref{,_size} if address isn't going to be added.
20498 2006-01-04 Ben Elliston <bje@au.ibm.com>
20500 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
20501 * config/fp-bit.c: Likewise.
20503 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
20505 * dominance.c: Add comment about why we use DFS numbering
20508 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20509 Richard Henderson <rth@redhat.com>
20511 Merge from gomp-branch:
20512 * varasm.c (assemble_variable): Handle thread-local COMMON data.
20513 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
20515 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
20517 PR rtl-optimization/25578
20518 * combine.c (combine_simplify_rtx, force_to_mode): Don't
20519 pass a parameter to simplify_shift_const if changing ASHIFTRT
20522 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
20524 * builtins.c (get_builtin_sync_mem): New function.
20525 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
20526 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
20527 Call get_builtin_sync_mem to generate mem rtx.
20529 2006-01-03 Richard Guenther <rguenther@suse.de>
20532 * stmt.c (add_case_node): Make sure to clear overflow flags
20535 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20537 Merge from gomp-branch.
20538 * config/sparc/sync.md: New file.
20539 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
20540 UNSPECV_LDSTUB): New constants.
20541 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
20542 * config/sparc/predicates.md (memory_reg_operand): New predicate.
20543 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
20546 2006-01-03 Roger Sayle <roger@eyesopen.com>
20548 * combine.c (reg_subword_p): New predicate to test whether the
20549 destination of a set refers to a subword/piece of a register.
20550 (try_combine): Generalize the code to merge the setting of a
20551 pseudo to a constant followed by a set of a subword of that
20552 register to a constant.
20554 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20556 * basic-block.h (control_flow_graph): Change the type of
20557 x_label_to_block_map to VEC(basic_block,gc) *.
20558 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20559 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20561 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20562 VEC(basic_block,heap) *.
20563 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20564 ssa_prop_fini): Adjust the uses of cfg_blocks.
20566 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20568 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20570 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20571 hashing trees instead of a pointer hash.
20572 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20573 compare for MEM_EXPR.
20575 PR rtl-optimization/25130
20576 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20577 when comparing MEMs for GCSE
20579 2006-01-03 Ben Elliston <bje@au.ibm.com>
20581 * targhooks.h (default_decimal_float_supported_p): Declare.
20582 * targhooks.c (default_decimal_float_supported_p): Define.
20583 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20584 `default_decimal_float_supported_p'.
20585 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20587 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20589 * combine.c (apply_distributive_law <SUBREG>): Check
20590 TRULY_NOOP_TRUNCATION.
20592 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20594 * dwarf2out.c (have_switched_text_section): Delete.
20595 (have_multiple_function_sections): New.
20596 (have_location_lists): Make 'bool'.
20597 (add_AT_loc_list): Use 'true' not '1'.
20598 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20599 (output_loc_list): Use have_multiple_function_sections.
20600 (output_ranges): Likewise.
20601 (dwarf2out_begin_function): Set have_multiple_function_sections if
20603 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20604 Check function_section rather than DECL_SECTION_NAME.
20605 (dwarf2out_finish): Use have_multiple_function_sections.
20606 Don't clear have_location_lists.
20608 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20609 Jan Hubicka <jh@suse.cz>
20611 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20612 case of conditional jump jumping to the next instruction.
20613 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20614 cases of conditional jump jumping to the next instruction.
20616 2006-01-02 Jan Hubicka <jh@suse.cz>
20618 * i386.c (*_cost): Add COSTS_N_INSNS.
20619 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20621 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20624 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20626 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20628 * config/arm/arm.c (all_fpus): Fix comment typo.
20629 * config/darwin.c: Likewise.
20630 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20631 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20632 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20634 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20636 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20637 (rs6000_split_compare_and_swapqhi): New.
20638 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20639 (sync_compare_and_swapqhi_internal): New.
20640 * config/rs6000/rs6000-protos.h: Declare.