1 2006-12-13 Diego Novillo <dnovillo@redhat.com>
3 * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
4 accomodate 511 operands.
6 2006-12-13 Richard Guenther <rguenther@suse.de>
8 * builtins.c (expand_builtin_cexpi): Fix typo.
10 2006-12-13 Jan Hubicka <jh@suse.cz>
12 * Makefile.in: Add dependencies.
13 * tree-pretty-print.c: Include value-prof.h
14 (dump_generic_bb_buff): Dump histograms
15 * value-prof.c: Include pointer-set.h
16 (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
17 set_histogram_value, gimple_histogram_value,
18 gimple_add_histogram_value, gimple_remove_histogram_value,
19 gimple_histogram_value_of_type, dump_histogram_value,
20 dump_histograms_for_stmt, gimple_remove_stmt_histograms,
21 gimple_duplicate_stmt_histograms, visit_hist,
22 verify_histograms): New functions.
23 (tree_value_profile_transformations): Update for new histogram API.
24 (tree_divmod_fixed_value): Update for new histogram API.
25 (tree_divmod_fixed_value_transform): Update for new histogram API.
26 (tree_mod_pow2): Update for new histogram API.
27 (tree_mod_pow2_value_transform): Update for new histogram API.
28 (tree_mod_subtract): Update for new histogram API.
29 (tree_mod_subtract_transform): Update for new histogram API.
30 (tree_stringops_transform): Update for new histogram API.
31 (tree_divmod_values_to_profile): Update for new histogram API.
32 (tree_stringops_values_to_profile): Update for new histogram API.
33 (tree_find_values_to_profile): Update for new histogram API.
34 * value-prof.h (gimple_histogram_value): Declare.
35 (gimple_histogram_value_of_type): Declare.
36 (gimple_add_histogram_value): Declare.
37 (gimple_remove_histogram_value): Declare.
38 (dump_histograms_for_stmt): Declare.
39 (gimple_remove_histogram_value): Declare.
40 (gimple_remove_stmt_histograms): Declare.
41 (gimple_duplicate_stmt_histograms): Declare.
42 (verify_histograms): Declare.
44 (struct funrction): Add value_histograms hash.
45 (VALUE_HISTOGRAMS): New macro.
46 * profile.c (compute_value_histograms): update for new API.
47 * tree-inline.c: Include value-prof.h
48 (copy_bb): Update histograms.
49 * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
50 reorder to get smaller memory layout.
51 * tree-cfg.c: Include value-prof.h
52 (bsi_remove): Update histograms.
53 (bsi_replace): Update histograms.
54 (verify_stmts): Call histogram verifier.
55 (tree_duplicate_bb): Update histograms.
56 (move_block_to_fn): Update histograms.
58 2006-12-13 Richard Guenther <rguenther@suse.de>
60 * ipa-inline.c (cgraph_flatten_node): Replace leafify with
62 (cgraph_decide_inlining): Likewise.
64 2006-12-13 Richard Guenther <rguenther@suse.de>
66 PR tree-optimization/17687
67 * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
68 New builtins for imaginary argument cexp.
69 * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
70 BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
71 New required builtin types.
72 * builtins.c (expand_builtin_cexpi): Declare.
73 (mathfn_built_in): Handle BUILT_IN_CEXPI.
74 (expand_builtin_cexpi): New static helper.
75 (expand_builtin): Call it.
76 (do_mpfr_sincos): Adjust for CEXPI evaluation.
77 (fold_builtin_sincos): New function to fold sincos to cepxi.
79 2006-12-13 Richard Guenther <rguenther@suse.de>
81 * ipa-reference.c (scan_for_static_refs): Also scan
82 tcc_comparison class trees.
84 2006-12-12 David Daney <ddaney@avtrex.com>
86 * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
89 2006-12-12 Andrew Pinski <pinskia@gmail.com>
91 * tree-vect-transform.c (vect_permute_load_chain):
92 Set DECL_GIMPLE_REG_P to true for the vect_perm_*
95 2006-12-13 Sa Liu <saliu@de.ibm.com>
96 Ben Elliston <bje@au.ibm.com>
98 * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
99 (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
100 * config/spu/spu-protos.h (spu_c_common_override_options):
102 * config/spu/spu-c.c (spu_c_common_override_options): New.
103 * config/spu/spu.c (spu_override_options): Whitespace fix.
105 2006-12-12 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
107 * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
109 2006-12-12 Geoffrey Keating <geoffk@apple.com>
111 * mips-tdump.c: Replace CROSS_COMPILE with
112 CROSS_DIRECTORY_STRUCTURE.
113 * mips-tfile.c: Likewise.
115 * configure.ac: Likewise.
116 * cppdefault.c: Likewise.
117 * Makefile.in: Likewise.
118 * config/alpha/osf.h: Likewise.
119 * config/i386/cygwin.h: Likewise.
120 * config/i386/beos-elf.h: Likewise.
121 * config/i386/nto.h: Likewise.
122 * config/fr30/fr30.h: Likewise.
123 * config/svr4.h: Likewise.
124 * config/rs6000/aix.h: Likewise.
125 * config/rs6000/sysv4.h: Likewise.
126 * config/pa/pa64-hpux.h: Likewise.
127 * config/pa/pa-hpux10.h: Likewise.
128 * config/pa/pa-hpux11.h: Likewise.
129 * collect2.c: Likewise.
130 * configure: Regenerate.
132 * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
133 actually takes an unsigned HOST_WIDE_INT for its second parameter.
135 2006-12-13 Ulrich Weigand <uweigand@de.ibm.com>
137 * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
138 (spu_encode_section_info): New.
139 * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
140 (SYMBOL_FLAG_ALIGN1): New.
142 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
145 * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
146 bitmap for EXECUTE_IF_SET_IN_BITMAP.
148 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
151 * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
152 (DECL_GIMPLE_REG_P): This.
153 * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
155 * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
156 * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
157 and check for VECTOR_TYPE.
158 * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
160 * tree-flow-inline.h (var_can_have_subvars): Use the renamed
162 * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
163 and check for VECTOR_TYPE.
164 (gimplify_bind_expr): Likewise.
165 (gimplify_function_tree): Likewise.
166 * expmed.c: Include target.h.
167 (extract_bit_field): For vector mode, try find a better mode first.
168 If that fails use gen_lowpart (for vectors only).
169 * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
170 and check for VECTOR_TYPE.
171 * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
172 (insert_into_preds_of_block): Likewise.
173 (insert_fake_stores): Create gimple register store_tmps for
175 * tree-sra.c (sra_elt): New field, is_vector_lhs.
176 (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
177 are the left hand side, set the element's is_vector_lhs to true.
178 (instantiate_element): For vector types which were on the left
179 hand size, set DECL_GIMPLE_REG_P to false.
180 * tree-nested.c (create_tmp_var_for): Use the renamed DECL_GIMPLE_REG_P. * tree-inline.c (declare_return_variable): Use the renamed
182 and check for VECTOR_TYPE.
183 (copy_decl_to_var): Use the renamed DECL_GIMPLE_REG_P.
184 (copy_result_decl_to_var): Likewise.
185 * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
186 create a gimple register variable.
187 (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
188 vect_inter_* temp variables.
189 * Makefile.in (expmed.o): Update dependencies.
191 2006-12-12 Peter Bergner <bergner@vnet.ibm.com>
193 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
194 the offset == 0 "then" clauses.
195 * config/rs6000/predicates.md (gpc_reg_operand): Check for
198 2006-12-12 Marcin Dalecki <martin@dalecki.de>
200 * doc/passes.texi: remove docs about "redundant PHI removal".
201 * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
202 remove redundant pass_partition_blocks declaration.
204 2006-12-12 Andrew Macleod <amacleod@redhat.com>
206 PR tree-optimization/30159
207 * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
208 functions in case a default_def coalesce is required.
210 2006-12-12 Jakub Jelinek <jakub@redhat.com>
213 * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
215 * config/ia64/linux.h (CPP_SPEC): Define.
216 * config/s390/linux.h (CPP_SPEC): Define.
218 2006-12-12 Jim Wilson <wilson@specifix.com>
219 Jakub Jelinek <jakub@redhat.com>
221 PR rtl-optimization/27761
222 * combine.c (try_combine): Don't create a useless garbage SET
223 if PATTERN (i2) is a PARALLEL. If added_sets_1, save
224 PATTERN (i1) resp. SET from i1src to i1dest in i1pat
225 and use it to prevent accidental modification of i1src.
227 2006-12-12 Ira Rosen <irar@il.ibm.com>
229 * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
230 for stores with gaps.
231 * tree-vect-transform.c (vect_permute_store_chain): Create
232 interleave_high or interleave_low according to the endianess.
234 2006-12-12 Richard Guenther <rguenther@suse.de>
237 * fold-const.c (fold_read_from_constant_string): Only fold read
238 from constant string if the result type is integer.
240 2006-12-12 Olivier Hainque <hainque@adacore.com>
242 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
244 2006-12-12 Olivier Hainque <hainque@adacore.com>
246 * config/vxlib.c: Extract tls related routines into ...
247 * config/vxlib-tls.c: New file.
248 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
250 2006-12-12 Sa Liu <saliu@de.ibm.com>
251 Ben Elliston <bje@au.ibm.com>
253 * config/spu/spu.opt (mfixed-range): New option.
254 * config/spu/spu.h (spu_fixed_range_string): Declare.
255 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
256 (fix_range): New function.
257 * doc/invoke.texi (SPU Options): Document -mfixed-range.
258 * testsuite/gcc.target/spu/fixed-range.c: New.
259 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
261 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
265 * cgraphunit.c (cgraph_optimize): Remove call to
266 process_pending_assemble_externals.
268 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
270 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
272 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
273 (ia64_hpux_add_extern_decl): Removed.
274 (ia64_hpux_file_end): Likewise.
275 (extern_func_list): Likewise.
276 (extern_func_head): Likewise.
278 * output.h (assemble_external): Update comments.
279 (default_elf_asm_output_external): New.
280 (maybe_assemble_visibility): New.
282 * toplev.c (compile_file): Update comment.
284 * varasm.c (assemble_external): Always put it on
285 pending_assemble_externals.
286 (maybe_assemble_visibility): Make it extern and return int.
287 (default_elf_asm_output_external): New.
289 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
291 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
292 can't handle the pointer arithmetic.
294 2006-12-11 Diego Novillo <dnovillo@redhat.com>
296 * doc/tree-ssa.texi: Update documentation for virtual operands
297 and the use of push_stmt_changes/pop_stmt_changes.
298 * doc/invoke.texi: Remove documentation for params
299 global-var-threshold.
300 Update documentation on max-aliased-vops.
302 * tree-into-ssa.c: Cleanup comments, variables and
303 spacing in various functions.
304 (regs_to_rename): Declare.
305 (mem_syms_to_rename): Declare.
306 (dump_update_ssa): Declare.
307 (debug_update_ssa): Declare.
308 (dump_names_replaced_by): Declare.
309 (debug_names_replaced_by): Declare.
310 (dump_def_blocks): Declare.
311 (debug_def_blocks): Declare.
312 (dump_defs_stack): Declare.
313 (debug_defs_stack): Declare.
314 (dump_currdefs): Declare.
315 (debug_currdefs): Declare.
316 (mark_def_sites): Do not handle virtual operands.
317 (compute_idf): Rename from find_idf. Update users.
318 (register_new_def): Make local. Convert second argument
320 Use BLOCK_DEFS_STACK directly.
321 If pushing a non-register, also push the underlying
323 (rewrite_stmt): Do not handle virtual operands.
324 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
325 dump_currdefs and dump_tree_ssa_stats.
326 (dump_tree_ssa_stats): Also dump REPL_TBL.
327 (replace_use): Remove. Update all users to call SET_USE
329 (rewrite_blocks): Move code to free memory to
331 (mark_def_site_blocks): Move initialization code to
333 (init_ssa_renamer): New.
334 (fini_ssa_renamer): New.
335 (rewrite_into_ssa): Call them.
336 (prepare_block_for_update): Process SSA_OP_ALL_USES first
337 and SSA_OP_ALL_DEFS later. Do not process virtual
339 (dump_update_ssa): Call dump_decl_set.
340 (init_update_ssa): Initialize regs_to_rename and
342 Call init_ssa_renamer.
343 (delete_update_ssa): Call fini_ssa_renamer.
344 Free blocks_with_phis_to_rewrite.
345 (mark_sym_for_renaming): If the variable has
346 sub-variables, also mark them.
347 If the variable belongs to a partition, also mark it.
348 (mark_set_for_renaming): Call mark_sym_for_renaming on
349 every symbol in the set.
350 (switch_virtuals_to_full_rewrite): Call
351 mark_set_for_renaming.
352 (update_ssa): Separate syms_to_rename into regs_to_rename
353 and mem_syms_to_rename.
355 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
356 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
357 (debug_generic_stmt): Likewise.
358 (debug_tree_chain): Likewise.
360 (dump_generic_node): Check for TDF_MEMSYMS.
361 Handle MEMORY_PARTITION_TAG.
362 If the statement references memory and TDF_MEMSYMS is
363 given, call dump_symbols.
364 Indicate default names with (D).
365 (dump_vops): Update for new virtual operator format.
367 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
368 tree_contains_struct.
369 (tree_code_size): Handle MEMORY_PARTITION_TAG.
370 (tree_node_structure): Likewise.
371 (needs_to_live_in_memory): Handle SSA names.
372 * tree.h (MTAG_P): Likewise.
373 (struct tree_memory_partition_tag): Declare.
374 (MPT_SYMBOLS): Define.
375 (union tree_node): Add field 'mpt'.
376 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
377 * tree.def (MEMORY_PARTITION_TAG): Define.
379 * tree-pass.h (TDF_MEMSYMS): Define.
381 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
383 * tree-ssa-alias.c: Include pointer-set.h
384 (struct alias_map_d): Remove fields total_alias_vops,
385 grouped_p and may_aliases. Update all users.
386 (struct mp_info_def): Declare.
387 (mp_info_t): New type.
388 (get_smt_for): Rename from get_tmt_for. Update all
390 (add_may_alias): Add argument ALREADY_ADDED. If given,
391 use it to avoid adding duplicate entries to alias sets.
392 (replace_may_alias): Remove. Update all users.
393 (total_alias_vops_cmp): Remove. Update all users.
394 (group_aliases_into): Remove. Update all users.
395 (tree_pointer_compare): Remove. Update all users.
396 (compact_name_tags): Remove. Update all users.
397 (group_aliases): Remove. Update all users.
398 (mark_non_addressable): Move from tree-flow-inline.h.
399 Remove the symbol from the partition holding it, if
402 (debug_mp_info): New.
404 (create_partition_for): New.
405 (rewrite_alias_set_for): New.
406 (compute_memory_partitions): New.
407 (compute_may_aliases): Call it.
408 (init_alias_info): If computing aliases for the first
409 time, mark every memory symbol for renaming.
410 (have_common_aliases_p): New.
411 (compute_flow_insensitive_aliasing): Call it.
412 (setup_pointers_and_addressables): Do not cache
414 For register promoted symbols, mark their former
415 partition for renaming.
416 (maybe_create_global_var): Only create .GLOBAL_VAR if
417 there are no call-clobbered variables and a mix of pure
418 and non-pure functions were found.
419 (may_alias_p): Tidy comments.
420 (create_tag_raw): Remove unused variable new_type.
421 (dump_alias_info): call dump_memory_partitions.
422 (dump_points_to_info_for): Call dump_decl_set.
423 (may_be_aliased): Tidy comments and formatting.
425 * timevar.def (TV_MEMORY_PARTITIONING): Define.
426 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
427 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
429 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
430 * tree-vect-transform.c (vect_transform_loop): Call
431 mark_set_for_renaming with vect_memsyms_to_rename.
432 * tree-flow-inline.h (zero_imm_uses_p): New.
433 (memory_partition): New.
434 (set_memory_partition): New.
435 (factoring_name_p): New.
436 (symbol_mem_tag): New. Update every function that used
437 to access the annotation directly.
438 (set_symbol_mem_tag): Likewise.
440 * tree-ssa-copy.c (may_propagate_copy): Allow copies
441 between a partition and a symbol as long as the symbol
442 belongs to the partition.
443 (merge_alias_info): Ignore merge requests when memory
444 partitions are involved.
446 * tree-ssa.c (verify_ssa_name): Check that default
447 definitions have empty defining statements.
448 (verify_use): Remove argument IS_VIRTUAL.
449 Don't call verify_ssa_name.
450 (verify_phi_args): Call verify_ssa_name.
451 (verify_flow_insensitive_alias_info): Handle MPTs.
452 (verify_flow_sensitive_alias_info): Likewise.
453 (verify_name_tags): Likewise.
454 (verify_call_clobbering): Likewise.
455 (verify_ssa): Check for VOPs only after aliasing
456 information is available.
457 Check virtuals and real operands separately.
458 Call verify_ssa_name on every operand.
459 (stmt_references_memory_p): Move to tree-ssa-operands.c.
460 (walk_use_def_chains_1): Guard against NULL PHI
463 * tree-ssa-operands.c (stmt_references_memory_p): Move from
466 (dump_memory_partitions): New.
467 (debug_memory_partitions): New.
469 * tree-flow.h (struct var_ann_d): Add field mpt.
470 (struct stmt_ann_d): Add bitfield references_memory.
471 * Makefile.in (tree-ssa-structalias.o): Include
473 (tree-ssa-alias.o): Likewise.
474 * tree-ssa-structalias.c: (update_alias_info): Use
475 STORED_SYMS to determine which variables are being
476 written to by the store operation.
477 * tree-ssa-structalias.h (struct alias_info)
478 <total_alias_vops>: Remove. Update all users.
479 <written_vars>: Change to a pointer set. Update all
481 <dereferenced_ptrs_store>: Likewise.
482 <dereferenced_ptrs_load>: Likewise.
483 (NUM_REFERENCES): Remove. Update all users.
484 (NUM_REFERENCES_CLEAR): Remove. Update all users.
485 (NUM_REFERENCES_INC): Remove. Update all users.
486 (NUM_REFERENCES_SET): Remove. Update all users.
488 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
490 (PARAM_MAX_ALIASED_VOPS): Set to 10.
491 * tree-ssanames.c (make_ssa_name): Initialize
492 SSA_NAME_IS_DEFAULT_DEF to 0.
494 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
496 * tree-ssa-dse.c (aggregate_vardecl_d): New.
497 (dse_global_data): Add aggregate_vardecl field.
498 (dse_possible_dead_store_p): New.
499 Add prev_defvar variable.
500 Allow immediate uses and previous immediate uses to differ
501 if they are setting different parts of the whole.
502 (get_aggregate_vardecl): New.
503 (dse_record_partial_aggregate_store): New.
504 (dse_whole_aggregate_clobbered_p): New.
505 (dse_partial_kill_p): New.
506 (dse_optimize_stmt): Abstract code checking a possible dead store
507 into new function dse_possible_dead_store_p().
508 Call dse_maybe_record_aggregate_store().
509 When checking whether a STMT and its USE_STMT refer to the
510 same memory address, check also for partial kills that clobber
512 Move some variable definitions to the block where they are used.
513 (aggregate_vardecl_hash): New.
514 (aggregate_vardecl_eq): New.
515 (aggregate_vardecl_free): New.
516 (aggregate_whole_store_p): New.
517 (tree_ssa_dse): Initialize and free aggregate_vardecl.
518 Mark which aggregate stores we care about.
520 2006-12-11 Andrew Macleod <amacleod@redhat.com>
522 * tree-ssa-operands.h (struct vuse_element_d): Declare.
523 (vuse_element_t): Declare.
524 (struct vuse_vec_d): Declare.
525 (vuse_vec_p): Declare.
526 (VUSE_VECT_NUM_ELEM): Define.
527 (VUSE_VECT_ELEMENT_NC): Define.
528 (VUSE_ELEMENT_PTR_NC): Define.
529 (VUSE_ELEMENT_VAR_NC): Define.
530 (VUSE_VECT_ELEMENT): Define.
531 (VUSE_ELEMENT_PTR): Define.
532 (VUSE_ELEMENT_VAR): Define.
533 (struct maydef_optype_d) <use_var>: Remove.
536 (struct vuse_optype_d) <kill_var>: Remove.
539 (struct mustdef_optype_d) <kill_var>: Remove.
542 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
543 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
546 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
547 (MAYDEF_OP): Add argument. Use VUSE_OP.
548 (MAYDEF_NUM): Define.
549 (MAYDEF_VECT): Define.
550 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
551 (MUSTDEF_KILL): Use VUSE_OP.
552 (MUSTDEF_NUM): Define.
553 (MUSTDEF_VECT): Define.
554 (realloc_maydef): Declare.
555 (realloc_vuse): Declare.
556 (struct ssa_operand_iterator_d) <vuse_index>: Add.
558 (LOADED_SYMS): Define.
559 (STORED_SYMS): Define.
560 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
561 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
563 * tree-pretty-print.c: Likewise.
564 * tree-ssa-dse.c: Likewise.
565 * tree-flow-inline.h: Likewise.
566 (op_iter_next_mustdef): New.
567 * tree-ssa-operands.c: Likewise.
568 (ALLOC_OPTYPE): Remove.
574 (alloc_mustdef): New.
575 (realloc_maydef): New.
578 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
580 * tree-ssa-operands.c: Remove build_v_must_defs.
581 (init_ssa_operands): Delete build_v_must_defs.
582 (finalize_ssa_v_must_def_ops): Remove.
583 (finalize_ssa_v_must_defs): Remove.
584 (finalize_ssa_stmt_operands): Do not call
585 finalize_ssa_v_must_defs.
586 (start_ssa_stmt_operands): Do not check build_v_must_defs.
587 (append_v_must_def): Delete.
588 (copy_virtual_operands): Do not copy V_MUST_DEFs.
589 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
590 comment. Remove opf_kill_def.
591 (build_ssa_operands): Remove references to v_must_defs.
592 (copy_virtual_operands): Same.
593 (copy_virtual_operands): Same.
594 (fini_ssa_operands): Same.
595 (free_ssa_operands): Same.
596 (add_mustdef_op): Remove.
597 Remove mustdef_optype_p.
598 (alloc_mustdef): Remove.
599 Remove references to V_MUST_DEFs in comment at top of file.
600 (get_expr_operands): Remove opf_kill_def.
601 (opf_kill_def): Remove.
602 (add_virtual_operand): Remove opf_kill_def.
603 (get_indirect_ref_operands): Same.
604 (get_tmr_operands): Same.
606 * tree-vectorizer.c (rename_variables_in_bb): Remove
609 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
611 (check_loop_closed_ssa_stmt): Same.
613 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
615 (verify_ssa): Remove V_MUST_DEFs traces.
616 (verify_ssa): Remove SSA_OP_ALL_KILLS.
618 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
620 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
621 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
623 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
625 (MUSTDEF_OPS): Remove.
626 (SSA_OP_VMUSTDEF): Remove.
627 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
628 (struct mustdef_optype_d): Remove.
629 Remove mustdef_optype_p.
630 (struct stmt_operands_d): Remove mustdef_ops.
631 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
632 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
633 (MUSTDEF_RESULT_PTR): Remove.
634 (MUSTDEF_RESULT): Remove.
635 (MUSTDEF_KILL_PTR): Remove.
636 (MUSTDEF_KILL): Remove.
637 (MUSTDEF_NUM): Remove.
638 (MUSTDEF_VECT): Remove.
639 (SSA_OP_VIRTUAL_KILLS): Remove.
640 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
641 (SSA_OP_VMUSTKILL): Remove.
642 (SSA_OP_ALL_KILLS): Remove.
643 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
645 * tree-flow-inline.h (op_iter_init_def): Remove
646 SSA_OP_VIRTUAL_KILLS.
647 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
649 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
650 SSA_OP_VIRTUAL_KILLS.
652 * tree-ssa-loop-im.c (determine_max_movement): Remove
653 SSA_OP_VIRTUAL_KILLS.
654 (gather_mem_refs_stmt): Same.
655 (gather_mem_refs_stmt): Same.
657 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
658 (perform_tree_ssa_dce): Remove call to
659 mark_really_necessary_kill_operand_phis.
661 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
663 (op_iter_next_use): Do not check mustkills.
664 (op_iter_next_def): Do not check mustdefs.
665 (op_iter_next_tree): Do not check mustkills or mustdefs.
666 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
667 (op_iter_next_maymustdef): Do not check mustkills.
668 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
669 (op_iter_init_mustdef): Remove.
671 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
674 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
676 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
677 (visit_assignment): Same.
679 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
681 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
683 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
685 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
686 Remove kill_p variable.
688 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
689 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
690 (collect_dfa_stats_r): Do not set num_v_must_defs.
691 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
694 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
697 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
698 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
700 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
703 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
705 PR rtl-optimization/30113
706 * loop-iv.c (implies_p): Require the mode of the operands to be
709 2006-12-11 Diego Novillo <dnovillo@redhat.com>
711 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
712 Rename from create_ssa_artficial_load_stmt. Update all users.
713 * tree-into-ssa.c (register_new_def): Make static.
714 * tree.c (is_global_var): Handle SSA_NAMEs.
715 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
716 that used to call gimple_default_def.
717 * tree-ssa-operands.c (push_stmt_changes): New.
718 (pop_stmt_changes): New. Update every pass that modifies
719 statements to bracket modifications with
720 push_stmt_changes/pop_stmt_changes.
721 (discard_stmt_changes): New.
722 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
723 'tree *' instead of 'tree'. Update all users.
724 * tree-flow-inline.h (zero_imm_uses_p): New.
725 (symbol_mem_tag): New. Update every function that used
726 to access the annotation directly.
727 (set_symbol_mem_tag): Likewise.
728 * tree-dfa.c (dump_variable): Always show the escape mask.
729 (mark_symbols_for_renaming): Rename from
730 mark_new_vars_to_rename. Update all users.
731 Only mark to rename naked symbols in real and virtual
734 2006-12-11 Andreas Schwab <schwab@suse.de>
736 * varasm.c (elf_record_gcc_switches): Cast second argument of
737 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
739 2006-12-11 Diego Novillo <dnovillo@redhat.com>
741 * tree-scalar-evolution.c (scev_const_prop):
742 * tree-phinodes.c (remove_phi_node): Add argument
743 RELEASE_LHS_P. If given, release the SSA name on the LHS of
746 * tree-ssa-dce.c: Remove forward declarations for static
747 functions. Re-arrange functions bodies as needed.
748 (find_obviously_necessary_stmts): Never mark PHI nodes as
751 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
753 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
755 2006-12-11 Jan Hubicka <jh@suse.cz>
757 * value-prof.c (tree_stringops_transform): New.
758 (tree_value_profile_transformations): Require count to be non-zero;
759 call stringop transform; reset stmt BSI after BB changed.
760 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
761 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
762 (tree_stringops_values_to_profile): New.
763 (tree_values_to_profile): Call tree_stringops_values_to_profile.
764 * tree.h (build_string_literal): Tidy prototype.
765 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
767 * builtins.c (validate_arglist, builtin_memset_read_str,
768 get_pointer_alignment): Export.
770 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
774 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
776 * config/i386/i386.opt: New target option -mx87regparm.
778 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
779 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
780 (X87_REGPARM_MAX): Define.
782 * config/i386/i386.c (override_options): Error out for
783 -mx87regparm but no 80387 support.
784 (ix86_attribute_table): Add x87regparm.
785 (ix86_handle_cconv_attribute): Update comments for x87regparm.
786 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
787 (ix86_function_x87regparm): New function.
788 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
790 (init_cumulative_args): Initialize x87_nregs and float_in_x87
792 (function_arg_advance): Process x87_nregs and x87_regno when
793 floating point argument is to be passed in 80387 register.
794 (function_arg): Pass XFmode arguments in 80387 registers for local
795 functions. Pass SFmode and DFmode arguments to local functions
796 in 80387 registers when flag_unsafe_math_optimizations is set.
798 * reg-stack.c (convert_regs_entry): Disable NaN load for
799 stack registers that are used for argument passing.
801 * doc/extend.texi: Document x87regparm function attribute.
802 * doc/invoke.texi: Document -mx87regparm.
804 2006-12-11 Jan Hubicka <jh@suse.cz>
806 Move all varpool routines out of cgraph/cgraphunit to varpool.c
807 * cgraph.c: Update comments.
808 (cgraph_varpool_hash,
809 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
810 cgraph_varpool_node_name, cgraph_varpool_node,
811 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
812 cgraph_variable_initializer_availability): Move to
813 varpool.c and drop cgraph_ prefixes.
814 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
815 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
816 move to varpool.c; drop cgraph_ prefix; make static.
817 (dump_cgraph_varpool_node): Move to varpool.c under name
819 (dump_varpool, hash_varpool_node, eq_varpool_node,
820 decide_is_variable_needed): Move to varpool.c
821 (decl_assembler_name_equal): Move to tree.c.
822 (availability_names): Rename to ...
823 (cgraph_availability_names): ... this one.
824 (dump_cgraph_node): Update.
825 * cgraph.h: Reorder declarations now in varpool.c
826 (cgraph_vailablity_names): Declare.
827 (struct cgraph_varpool_node): Rename to ...
828 (struct varpool_node): ... this one.
829 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
830 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
831 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
832 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
833 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
834 cgraph_variable_initializer_availability): Rename to ...
835 (varpool_first_unanalyzed_node, varpool_nodes_queue,
836 varpool_first_unanalyzed_node, varpool_node,
837 varpool_node_for_asm, varpool_mark_needed_node,
838 varpool_finalize_decl, varpool_enqueue_needed_node,
839 varpool_assemble_pending_decls, variable_initializer_availability):
841 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
842 * tree.h (decl_assembler_name_equal): Declare.
843 * omp-low.c (lower_omp_critical): Update.
844 * ipa-reference (analyze_variable, static_execute): Likewise.
845 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
846 * cgraphunit.c: Update comments.
847 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
848 varpool_assembled_nodes_queue.
849 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
850 varpool_analyze_pending_decls.
851 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
852 varpool_remove_unreferenced_decls.
853 (record_reference): Update.
854 (cgraph_create_edges): Update.
855 (record_referneces_in_initializer): New function.
856 (cgraph_varpool_assemble_decl): Move to varpool.c under name
857 varpool_assemble_decl; make global.
858 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
859 varpool_assemble_pending_decls.
860 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
861 struct cgraph_order_sort, cgraph_output_in_order,
862 cgraph_function_and_variable_invisibility, cgraph_optimize,
863 cgraph_increase_alignment): Update.
864 * dwarf2out.c (decls_for_scope): Likewise.
865 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
866 * except.c (output_ttype): Likewise.
867 * varasm.c (mark_decl_referenced): Likewise.
868 (find_decl_and_mark_referenced, assemble_alias): update.
869 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
870 * passes.c (rest_of_decl_compilation): Update.
872 2006-12-11 Ira Rosen <irar@il.ibm.com>
874 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
876 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
877 (vect_setup_realignment): Likewise.
879 2006-12-11 Sa Liu <saliu@de.ibm.com>
880 Ben Elliston <bje@au.ibm.com>
882 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
883 (ENDFILE_SPEC): Likewise.
884 * config/spu/spu.opt (mstdmain): New option.
885 * config/spu/crti.asm: Remove.
886 * config/spu/crtn.asm: Likewise.
887 * config/spu/crt0.c: Likewise.
888 * config/spu/crtend.c: Likewise.
889 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
891 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
892 * doc/invoke.texi (SPU Options): Document -mstdmain.
894 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
896 * doc/loop.texi: Document number_of_latch_executions and
897 number_of_cond_exit_executions.
898 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
899 chrec_is_positive, number_of_iterations_for_all_loops,
900 scev_const_prop): Use number_of_latch_executions.
901 (set_nb_iterations_in_loop): Do not increase the value of the
902 number of iterations.
903 (number_of_iterations_in_loop): Renamed to ...
904 (number_of_latch_executions): ... this.
905 (number_of_exit_cond_executions): New function.
906 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
908 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
909 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
910 number_of_latch_executions.
911 * tree-data-ref.c (get_number_of_iters_for_loop): Use
912 number_of_exit_cond_executions.
913 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
914 * cfgloop.h (struct loop): Improve description of the nb_iterations
917 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
919 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
920 (tree_pointer_compare): Remove.
922 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
924 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
925 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
926 * tree-loop-linear.c (linear_transform_loops): Ditto.
927 * tree-ssa-loop-im.c (determine_lsm): Ditto.
928 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
929 free_numbers_of_iterations_estimates): Ditto.
930 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
931 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
932 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
933 * modulo-sched.c (sms_schedule): Ditto.
934 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
935 tree_unroll_loops_completely): Ditto.
936 * predict.c (predict_loops): Ditto.
937 * tree-if-conv.c (main_tree_if_conversion): Ditto.
938 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
939 decide_unrolling_and_peeling): Ditto.
940 * cfgloopmanip.c (unloop): Use delete_loop.
941 (place_new_loop): Access larray vector instead of parray.
942 (create_preheaders, force_single_succ_latches,
943 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
944 * loop-doloop.c (doloop_optimize_loops): Ditto.
945 * loop-invariant.c (move_loop_invariants): Ditto.
946 * tree-cfg.c (replace_uses_by): Ditto.
947 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
948 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
950 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
952 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
953 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
954 get_loop and get_chrec_loop.
955 (number_of_iterations_for_all_loops): Use number_of_loops.
956 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
957 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
958 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
960 * tree-chrec.c (evolution_function_is_invariant_rec_p,
961 chrec_convert_1): Use get_loop and get_chrec_loop.
962 * loop-init.c (loop_optimizer_init): Use number_of_loops.
963 (loop_optimizer_init): Use FOR_EACH_LOOP.
964 * tree-vectorizer.c (vect_loops_num): Removed.
965 (vectorize_loops): Store number of loops locally. Use
966 FOR_EACH_LOOP and get_loop.
967 * tree-vectorizer.h (vect_loops_num): Removed.
968 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
969 (find_data_references_in_loop): Do not set parallel_p.
970 * tree-data-ref.h: Do not declare VEC(loop_p).
971 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
972 verify_loop_structure): Use FOR_EACH_LOOP.
973 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
974 (initialize_loops_parallel_p): Removed.
975 (flow_loops_find): Push the loops into a vector.
976 (delete_loop): New function.
977 (cancel_loop): Use delete_loop.
978 * cfgloop.h: Declare VEC(loop_p).
979 (struct loop): Remove parallel_p field.
980 (struct loops): Replace num and parray field by larray vector.
981 Remove shared_headers field.
982 (delete_loop): Declare.
983 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
985 * doc/loop.tex: Document new accessor functions.
987 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
989 * common.opt (-ftree-lrs): Remove live range splitting option.
990 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
991 * opts.c (decode_options): Remove flag_tree_live_range_split.
992 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
993 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
994 * tree-outof-ssa.c: Remove header files which aren't needed.
995 (SSANORM_*): Remove flags.
996 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
997 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
998 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
999 (assign_vars): Use Basevar instead of root_var structure.
1000 (replace_def_variable): Dont do anything if def is replaceable.
1001 (remove_ssa_form): Integrate functional changes.
1002 (rewrite_out_of_ssa): Remove live-range_split option.
1003 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1004 (coalesce_cost): Calculate the cost of a coalesce.
1005 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1006 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1007 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1008 (pop_best_coalesce): Remove the best coalesce from the list.
1009 (coalesce_pair_map_hash): Calculate coalesce pair hash.
1010 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1011 (create_coalesce_list): Create a coalesce list object.
1012 (delete_coalesce_list): Free a coalesce list object.
1013 (find_coalesce_pair): Find matching pair in the coalesce list.
1014 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1015 (add_coalesce): Add a coalesce to the coalesce list.
1016 (compare_pairs): Comparision function to determine pair sorted order.
1017 (num_coalesce_pairs): Number of coalesced pairs.
1018 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1019 Coalesce pair iterator functions.
1020 (sort_coalesce_list): Sort coalesce pairs in order of expense.
1021 (dump_coalesce_list): Show coalesce list.
1022 (ssa_conflicts_new): Create an SSA conflict graph.
1023 (ssa_conflicts_delete): Delete an SSA conflict graph.
1024 (ssa_conflicts_test_p): Test for conflicts.
1025 (ssa_conflicts_add_one): Add a single conflict.
1026 (ssa_conflicts_add): Add a conflict pair.
1027 (ssa_conflicts_merge): Merge conflicts.
1028 (struct live_track_d): Struct for tracking live partitions.
1029 (new_live_track): Create new live_track object.
1030 (delete_live_track): Delete a live_track object.
1031 (live_track_remove_partition): Remove a partition from the live list.
1032 (live_track_add_partition): Add a partition from the live list.
1033 (live_track_clear_var): Take VAR from the live list.
1034 (live_track_live_p): Is var live?
1035 (live_track_process_use): Make var come alive.
1036 (live_track_process_def): Make var go dead, add conflicts.
1037 (live_track_init): Initialize to a live on exit set.
1038 (live_track_clear_base_vars): Clear live partitions.
1039 (build_ssa_conflict_graph): Build a conflict graph.
1040 (print_exprs): Common debug output routine.
1041 (abnormal_corrupt): Output info about a failed coalesce across an
1043 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1044 (create_outofssa_var_map): Create a var map and coalesce list.
1045 (attempt_coalesce): Coalesce a pair.
1046 (coalesce_partitions): Coalesce all pairs in a coalesce list.
1047 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
1048 * tree-ssa-live.c: Remove header files which aren't needed.
1049 (var_map_base_init): New. Initialize a basevar list.
1050 (var_map_base_fini): New. Finish a basevar list.
1051 (init_var_map): Initialize new fields.
1052 (delete_var_map): Free new fields.
1053 (var_union): Use renamed fields.
1054 (compact_var_map): Remove.
1055 (partition_to_view_init): Use renamed fields, change order of an if.
1056 (partition_view_fini): Use renamed fields.
1057 (partition_view_normal): Create basevar list if requested.
1058 (partition_view_bitmap): Create a view based on a bitmap of partitions.
1059 (change_partition_var): Use renamed fields.
1060 (create_ssa_var_map): Remove.
1061 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1062 root_var_init): Remove.
1063 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1064 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1065 compare_pairs, num_coalesce_pairs, first_partition_pair,
1066 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1067 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1068 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1069 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1070 (dump_var_map): Use renamed fields.
1071 * tree-ssa-live.h (struct _var_map): Modify fields.
1072 (partition_to_var, version_to_var, var_to_partition): Use renamed
1074 (basevar_index): New. Index of the base variable of a partition.
1075 (num_basevars): New. Number of unique base variables in partition map.
1076 (register_ssa_partition): Use renamed fields.
1077 (struct tree_partition_associator_d): Remove.
1078 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1079 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1080 root_var, root_var_first_partition, root_var_next_partition,
1081 root_var_dump, root_var_delete, root_var_remove_partition,
1082 root_var_find, root_var_compact, root_var_decompact): Remove.
1083 (struct partition_pair, struct coalesce_list_d): Moved to
1085 * tree-ssa-ter.c: Remove header files which aren't needed.
1087 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
1089 * cse.c: (struct cse_basic_block_data): Remove LAST field.
1090 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
1092 (cse_visited_basic_blocks): New static bitmap.
1093 (cse_end_of_basic_block, cse_basic_block): Remove.
1094 (cse_find_path, cse_dump_path, cse_prescan_path,
1095 cse_extended_basic_block): New static functions.
1096 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
1097 basic block boundaries. Don't record jump equivalences here.
1098 Update the CFG after doing in-place replacement of the SET_SRC.
1099 (cse_main): Rewrite. Look for extended basic block headers
1100 and call cse_extended_basic_block on them until all paths that
1101 start at this header are exhausted.
1102 (rest_of_handle_cse): Verify that the CFG is incrementally updated
1103 and correct after cse_main.
1104 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
1105 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
1106 (pass_cse): Add TODO_verify_flow.
1107 (pass_cse2): Likewise.
1109 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
1111 * reload1.c (choose_reload_regs): Don't set byte offset when
1112 resolving subregs of hard regs.
1114 2006-12-09 Zack Weinberg <zackw@panix.com>
1116 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
1117 suitable for the language, if set_yydebug is true.
1118 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
1119 YYDEBUG or declare yydebug.
1120 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
1122 2006-12-09 Jan Hubicka <jh@suse.cz>
1124 * cgraph.c: Update copyright.
1125 * cgraph.h: Likewise
1126 (cgraph_update_pending_function): Remove prototype.
1127 * cgraphunit.c: Update copyright; update overall comment.
1128 (cgraph_assemble_pending_functions): Make local.
1130 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1132 * haifa-sched.c (schedule_block): Remove excessive sanity check.
1134 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1136 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
1138 (cpat_const_p, gen_cpat_const): Add.
1139 * config/spu/spu.c (immediate_class): New enum.
1140 (cpat_info, classify_immediate): New.
1141 (print_operand): Use S, D, T instead of F, G, H. Use
1142 classify_immediate. Handle cpat cases.
1143 (spu_split_immediate): Renamed from spu_split_address. Split all
1144 immediates that can be split.
1145 (immediate_load_p): Use classify_immediate.
1146 (spu_legitimate_constant_p): Accept everything except some cases of
1148 (spu_expand_move): Use spu_split_immedate.
1149 (fsmbi_const_p): Use classify_immediate.
1150 (cpat_const_p): New.
1151 (gen_cpat_const: New.
1152 * config/spu/constraints.md (j,k,l): New constraints for cpat
1154 * config/spu/spu.md (unnamed splitter): Change address splitter to
1155 handle all immediates.
1156 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
1158 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
1161 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1164 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
1165 patterns. Correct length of high:DI instruction sequence.
1167 2006-12-08 Mike Stump <mrs@apple.com>
1169 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
1170 libgcc with -mmacosx-version-min=10.4.
1171 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
1172 G4 for 10.5+ unless doing kernel builds.
1174 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
1177 * reg-stack.c (convert_regs_entry): Mark current argument passing
1180 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
1181 of float arguments in x87 registers.
1183 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
1185 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
1187 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
1189 * recog.c (mode_dependent_address_p): Identify pre-increment,
1190 pre-decrement, post-increment and post-decrement addressing as always
1191 being mode-dependent.
1192 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
1193 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1194 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
1195 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1196 PRE_INC and POST_INC checks.
1197 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1198 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1199 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1200 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1201 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1202 PRE_INC, POST_DEC and POST_INC cases.
1203 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1204 Delete POST_INC and PRE_DEC cases.
1205 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1207 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1208 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1210 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1211 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1212 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
1213 PRE_INC and PRE_DEC cases.
1214 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1215 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1216 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1217 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1218 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1219 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
1220 auto-increment cases.
1221 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
1222 auto-increment cases.
1223 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1225 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
1227 * Makefile.in: Add new file tree-ssa-ter.c.
1228 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
1229 free_temp_expr_table, add_value_to_version_list,
1230 add_value_to_partition_list, remove_value_from_partition_list,
1231 add_dependence, check_replaceable, finish_expr, mark_replaceable,
1232 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
1233 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
1234 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
1236 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
1237 (struct value_expr_d): Remove.
1238 (struct temp_expr_table_d): Rename fields, add explicit vector of
1239 replaceable expressions instead of sharing. Change value_expr_p's to
1240 bitmap. Delete free_list.
1241 (new_temp_expr_table): Rename fields, count number of ssa_names in
1243 (free_temp_expr_table): Rename field, free new fields.
1244 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1245 add_info_to_list, remove_value_from_list): Delete.
1246 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1247 (make_dependent_on_partition): New. Set bit in version list, allocating
1248 a bitmap if need be.
1249 (add_to_partition_kill_list): New. Set bit in the partition list,
1250 allocating a bitmap if need be.
1251 (remove_from_partition_kill_list): New. Remove a bit from the
1252 partition list, free the bitmap if it is empty.
1253 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1254 on partitions with only one member.
1255 (is_replaceable_p): New. Split out replaceability check from
1257 (process_replaceable): New. Code split from check_replaceable.
1258 (check_replaceable): Removed.
1259 (finished_with_expr): Renamed from finish_expr.
1260 (kill_expr): Use renamed fields and less parameters.
1261 (kill_virtual_exprs): Less parameters.
1262 (mark_replaceable): Use renamed fields.
1263 (find_replaceable_in_bb): Use renamed fields, cleanup.
1264 (find_replaceable_exprs): Use renamed routines, cleanup.
1265 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1266 (debug_ter): New. Debug routine to dump state.
1268 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1270 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1271 anything involving the GOT.
1272 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1273 (trapping_loads_p): Look inside the pattern of an insn to find the
1275 * config/bfin/bfin.md (attr "type"): Add movcc.
1276 (insn_reservation "alu"): Likewise.
1277 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1279 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1281 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1282 (spu_resolve_overloaded_builtin): Check for non scalar instead
1283 of vector type and check the function call argument type also for
1285 Call build_function_call instead of spu_build_overload_builtin.
1287 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1289 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1290 to the calls of hwint_to_const_double.
1292 2006-12-07 Nick Clifton <nickc@redhat.com>
1294 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1295 elf_record_gcc_switches.
1297 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1299 * expr.c (string_constant): Account for non-zero lower bound arrays.
1301 2006-12-07 Richard Guenther <rguenther@suse.de>
1303 * builtins.c (expand_builtin_pow): Adjust predicates for
1304 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1307 2006-12-07 Jan Hubicka <jh@suse.cz>
1309 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1312 2006-12-07 Jan Hubicka <jh@suse.cz>
1314 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1315 use fold_constant_to_binary; tolerate wrong type constants.
1316 (value_intersect_p): Do just two tests.
1318 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1320 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1321 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1322 lshifthi3): Use it, and fix the order of alternatives.
1324 2006-12-07 Nick Clifton <nickc@redhat.com>
1326 * common.opt (record-gcc-switches): New command line switch.
1327 * target.h (print_switch_type): New enum.
1328 (print_switch_fn_type): New typedef for a function pointer.
1329 (struct gcc_target): Add record_gcc_switches and
1330 record_gcc_switches_section fields.
1331 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1333 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1335 * toplev.c (print_single_switch): Simplify by providing a
1336 pointer to function that will format and output the switch
1338 (print_switch_values): Likewise.
1339 (print_to_asm_out_file): New function.
1340 (print_to_stderr): New function.
1341 (init_asm_output): If flag_record_gcc_switches is set then if
1342 the target supports recording the switches then emit them into
1343 the assembler output file, otherwise tell the user that the
1344 switch is not supported.
1345 * varasm.c (eld_record_gcc_switches): New function. Example
1346 handler for the record_gcc_switches target hook.
1347 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1349 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1350 * doc/invoke.texi (-frecord-gcc-switches): Document.
1352 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1355 * sched-rgn.c (add_block1): Use correct initializer.
1357 2006-12-07 Richard Guenther <rguenther@suse.de>
1359 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1360 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1362 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1365 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1366 not GIMPLE_MODIFY_STMT.
1368 2006-12-06 Jan Hubicka <jh@suse.cz>
1370 * tree-vrp.c (operand_less_p): New.
1371 (compare_values, value_inside_range): Rewrite in terms of
1374 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1376 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1378 (length_immediate): Do not depend on cld type attribute.
1379 (length_address): Ditto.
1382 (cld): Remove insn pattern.
1383 (strmov_singleop): Do not use DIRFLAG_REG.
1384 (*strmovdi_rex_1): Ditto.
1385 (*strmovsi_1): Ditto.
1386 (*strmovsi_rex_1): Ditto.
1387 (*strmovhi_1): Ditto.
1388 (*strmovhi_rex_1): Ditto.
1389 (*strmovqi_1): Ditto.
1390 (*strmovqi_rex_1): Ditto.
1392 (*rep_movdi_rex64): Ditto.
1393 (*rep_movsi): Ditto.
1394 (*rep_movsi_rex64): Ditto.
1395 (*rep_movqi): Ditto.
1396 (*rep_movqi_rex64): Ditto.
1397 (strset_singleop): Ditto.
1398 (*strsetdi_rex_1): Ditto.
1399 (*strsetsi_1): Ditto.
1400 (*strsetsi_rex_1): Ditto.
1401 (*strsethi_1): Ditto.
1402 (*strsethi_rex_1): Ditto.
1403 (*strsetqi_1): Ditto.
1404 (*strsetqi_rex_1): Ditto.
1406 (*rep_stosdi_rex64): Ditto.
1407 (*rep_stossi): Ditto.
1408 (*rep_stossi_rex64): Ditto.
1409 (*rep_stosqi): Ditto.
1410 (*rep_stosqi_rex64): Ditto.
1411 (cmpstrnsi): Do not generate cld insn.
1412 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1413 (*cmpstrnqi_nz_1): Ditto.
1414 (*cmpstrnqi_nz_rex_1): Ditto.
1415 (cmpstrnqi_1): Ditto.
1416 (*cmpstrnqi_1): Ditto.
1417 (*cmpstrnqi_rex_1): Ditto.
1418 (strlenqi_1): Ditto.
1419 (*strlenqi_1): Ditto.
1420 (*strlenqi_rex_1): Ditto.
1422 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1423 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1424 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1426 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1427 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1429 (k6_alux_only_load): Ditto.
1430 (k6_alux_only_store): Ditto.
1432 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1433 Do not emit cld instruction.
1434 (ix86_expand_setmem): Ditto.
1435 (ix86_expand_strlen): Do not emit cld instruction.
1437 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1439 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1442 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1444 * gdbinit.in: Set complaints to 0.
1446 2006-12-06 Jan Hubicka <jh@suse.cz>
1448 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1449 ALONE_MEM_STAT_DECL): New macros.
1450 * bitmap.h: Include statistics.h
1451 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
1452 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
1453 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
1454 * bitmap.c: Include hashtab.h
1455 (bitmap_descriptor): New.
1456 (bitmap_hash): New static variable
1457 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
1458 New static functions.
1459 (bitmap_register): New.
1460 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
1461 bitmap_obstack_release): Do accounting.
1462 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
1464 (bitmap_gc_alloc_stat): Likewise.
1465 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
1466 (print_statistics, dump_bitmap_statistics): New functions.
1467 * toplev.c (finalize): Dump bitmap statistics.
1469 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1471 * reload1.c (delete_output_reload): Count occurrences in
1472 CALL_INSN_FUNCTION_USAGE.
1473 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
1474 crashing at the end of the list.
1476 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1478 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
1479 Optimize to avoid marking more SMT's as used when they aren't.
1481 2006-12-05 Eric Christopher <echristo@apple.com>
1483 * config/i386/i386.c (x86_output_aligned_bss): Move out
1484 of COMMON_ASM_OP ifdef.
1486 2006-12-05 Eric Christopher <echristo@apple.com>
1488 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
1489 (STARTFILE_SPEC): Use.
1490 (DARWIN_DYLIB1_SPEC): New.
1491 (DARWIN_CRT1_SPEC): New.
1492 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
1494 * config/i386/darwin.h: Ditto.
1495 * config/rs6000/darwin.h: Ditto.
1497 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1499 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
1500 * tree-complex.c (pass_lower_complex): Ditto.
1501 * tree-ssa-ccp.c (pass_ccp): Ditto.
1502 (pass_store_ccp): Ditto.
1503 * tree-ssa-dom.c (pass_dominator): Ditto.
1504 (pass_phi_only_cprop): Ditto.
1505 * tree-sra.c (pass_sra): Ditto.
1506 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1507 * tree-flow.h (updating_used_alone): Remove.
1508 (updating_used_alone): Ditto.
1509 * tree-ssa-alias.c (updating_used_alone): Remove variable.
1510 (lhs_may_store_to): Remove function.
1511 (recalculate_used_alone): Ditto.
1512 (compute_may_aliases): Remove used_alone calculation.
1513 * tree.h (struct tree_memory_tag): Remove is_used_alone and
1514 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
1515 * tree-pass.h (PROP_smt_usage): Remove.
1516 * passes.c (execute_todo): Remove used alone recalculation.
1517 (execute_one_pass): Ditto.
1518 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
1521 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
1523 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
1525 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
1527 PR tree-optimization/14784
1528 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
1530 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
1532 Merge from gimple-tuples-branch.
1534 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1536 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
1538 (s390_gimplify_va_arg): Same.
1539 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
1540 * config/sh/sh.c (sh_va_start): Same.
1541 (sh_gimplify_va_arg_expr): Same.
1542 * config/xtensa/xtensa.c (xtensa_va_start): Same.
1543 (xtensa_gimplify_va_arg_expr): Same.
1544 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
1545 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
1546 * config/mips/mips.c (mips_va_start): Same.
1547 (mips_gimplify_va_arg_expr): Same.
1549 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1551 * Merge from mainline at revision 119445.
1553 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1555 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
1557 (spu_gimplify_va_arg_expr): Same.
1559 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1561 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1562 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1563 (xstormy16_expand_builtin_va_arg): Same.
1565 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1567 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
1568 to GIMPLE_MODIFY_STMT.
1570 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1572 * config/alpha/alpha.c (va_list_skip_additions): Change all
1573 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1574 (alpha_va_start): Same.
1575 (alpha_gimplify_va_arg_1): Same.
1576 (alpha_gimplify_va_arg): Same.
1578 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1580 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
1582 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1584 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
1585 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
1587 * tree-complex.c: Same.
1588 * tree-pretty-print.c: Same.
1592 * fold-const.c: Same.
1593 * tree-ssa-dom.c: Same.
1594 * tree-ssa-propagate.c: Same.
1595 * tree-ssa-alias.c: Same.
1596 * gimple-low.c: Same.
1597 * dwarf2out.c: Same.
1598 * c-pretty-print.c: Same.
1600 * tree-inline.c: Same.
1601 * tree-outof-ssa.c: Same.
1602 * tree-ssa-structalias.c: Same.
1603 * tree-ssa-reassoc.c: Same.
1606 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
1608 * tree.c (build2_stat): Fix comment.
1610 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
1612 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
1613 TREE_OPERAND when appropriate.
1615 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
1617 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
1618 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
1619 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
1620 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
1621 not handle GIMPLE_MODIFY_STMT in the switch statement.
1622 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
1623 (java_gimplify_new_array_init): Same.
1625 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
1627 * gimplify.c (gimplify_omp_for): Allow gimple statements.
1628 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
1629 * fold-const.c (fold_binary): Allow gimple statements.
1631 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
1632 Rename from gfc_conv_descriptor_data_set.
1633 Call gfc_add_modify instead of gfc_add_modify_expr.
1634 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
1635 Rename from gfc_conv_descriptor_data_set.
1636 (gfc_conv_descriptor_data_set): New macro.
1637 (gfc_conv_descriptor_data_set_tuples): New macros.
1638 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
1639 gfc_conv_descriptor_data_set_tuples.
1640 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
1641 Generate GIMPLE_MODIFY_STMT when appropriate.
1642 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
1643 (gfc_add_modify_expr): New macro.
1644 (gfc_add_modify_stmt): New macro.
1645 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
1647 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
1649 * Merge from mainline at revision 118200.
1651 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1653 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
1656 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1658 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
1660 Also, add __extension__ to GCC versions.
1661 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1662 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
1665 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
1667 * tree-complex.c (expand_complex_libcall): Adjust for
1669 (expand_complex_comparison): Same.
1670 * tree-pretty-print.c (dump_generic_node): Is_expr should include
1671 GIMPLE_STMT_P statements.
1672 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
1674 (tree_mod_pow2_value_transform): Same.
1675 (tree_mod_subtract_transform): Same.
1676 * tree.c (build2_stat): Check for gimplified function in cfun.
1677 * tree.h (DECL_GIMPLIFIED): Delete.
1678 (struct tree_function_decl): Remove gimplified_flag.
1679 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
1680 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
1681 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
1682 (cxx_omp_clause_copy_ctor): Same.
1683 (cxx_omp_clause_assign_op): Same.
1684 * c-pretty-print.c (pp_c_conditional_expression): Same.
1685 (pp_c_expression): Same.
1686 * langhooks.c (lhd_omp_predetermined_sharing): Same.
1687 * function.h (struct function): Add gimplified field.
1688 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
1690 (find_phi_replacement_condition): Same.
1691 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
1692 (gimplify_modify_expr_to_memset): Same.
1693 (gimplify_init_ctor_eval_range): Same.
1694 (gimplify_modify_expr_complex_part): Same.
1695 (tree_to_gimple_tuple): Same.
1696 (gimplify_modify_expr): Same.
1697 (gimple_push_cleanup): Same.
1698 (gimplify_omp_for): Same.
1699 (gimplify_omp_atomic_pipeline): Same.
1700 (gimplify_omp_atomic_mutex): Same.
1701 (gimplify_expr): Same.
1702 (gimplify_one_sizepos): Same.
1703 (gimplify_function_tree): Same.
1704 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
1705 (vect_recog_widen_sum_pattern): Same.
1706 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
1707 (vect_create_epilog_for_reduction): Same.
1708 (vectorizable_reduction): Same.
1710 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
1712 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
1713 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
1714 (ifc_temp_var): Same.
1715 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
1716 for gimple statements.
1717 (vect_analyze_operations): Same.
1718 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
1719 * gimplify.c (gimplify_return_expr): Handle gimple statements.
1720 * lambda-code.c (can_put_in_inner_loop): Same.
1721 (can_put_after_inner_loop): Same.
1722 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1723 (vect_create_data_ref_ptr): Same.
1724 (vect_init_vector): Same.
1725 (vect_get_vec_def_for_operand): Same.
1726 (vect_create_epilog_for_reduction): Same.
1727 (vectorizable_reduction): Same.
1728 (vectorizable_assignment): Same.
1729 (vectorizable_operation): Same.
1730 (vectorizable_load): Same.
1731 (vectorizable_condition): Same.
1732 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
1733 (rs6000_gimplify_va_arg): Same.
1735 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
1737 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
1738 GIMPLE_STMT_OPERAND.
1739 (simplify_abs_using_ranges): Same.
1740 * tree-complex.c (expand_complex_operations_1): Use
1741 PROTECTED_TREE_OPERAND.
1742 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
1744 (get_val_for): Use GIMPLE_STMT_OPERAND.
1745 * tree-tailcall.c (adjust_accumulator_values): Same.
1746 (adjust_return_value): Same.
1747 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
1748 case. Remove special case for tcc_gimple_stmt.
1749 * tree.h (CAN_HAVE_LOCATION_P): New.
1750 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
1752 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
1753 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
1754 * tree-nrv.c (execute_return_slot_opt): Same.
1755 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
1756 * tree-vn.c (set_value_handle): Same.
1757 (get_value_handle): Same.
1758 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
1759 * tree-vectorizer.c (find_loop_location): Same.
1760 * c-typeck.c (c_process_expr_stmt): Same.
1761 (c_finish_stmt_expr): Same.
1762 * gimplify.c (should_carry_locus_p): Same.
1763 (tree_to_gimple_tuple): Delete definition and use of unecessary
1764 variable save_tree_block.
1765 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
1766 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
1767 (realify_fake_stores): Same.
1768 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
1770 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
1771 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
1772 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
1773 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
1774 (c_parser_statement_after_labels): Same.
1775 (c_parser_paren_condition): Same.
1776 (c_parser_for_statement): Same.
1777 (c_parser_omp_for_loop): Same.
1778 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
1779 (linearize_expr_tree): Same.
1780 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
1781 * function.c (instantiate_expr): Same.
1783 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
1785 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
1786 (set_expr_location): Same.
1788 (set_expr_locus): Same.
1789 (expr_filename): Same.
1790 (expr_lineno): Same.
1791 (tree_block): Use GIMPLE_STMT_BLOCK.
1792 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
1793 * tree.h (struct gimple_stmt): Remove prev and next.
1794 (GIMPLE_STMT_OPERAND_CHECK): New.
1795 (TREE_TO_GIMPLE_STMT): Delete.
1796 (GIMPLE_STMT_TO_TREE): Delete.
1797 (GIMPLE_STMT_OPERAND): Use union, not cast.
1798 (GIMPLE_STMT_LOCUS): New.
1799 (GIMPLE_STMT_BLOCK): New.
1800 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
1802 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
1804 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
1806 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
1808 * tree-tailcall.c (adjust_return_value): Same.
1809 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
1810 (copy_node_stat): Change common.base to base.
1811 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
1812 Remove GIMPLE_STATEMENT_LIST case.
1813 * tree.h (struct gimple_stmt): Make operands of type tree.
1814 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1815 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1816 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1817 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1818 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
1819 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1820 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1821 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
1822 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
1823 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
1824 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1825 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
1826 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
1827 Change common.base to base.
1828 (GIMPLE_STATEMENT_LIST*): Remove.
1829 (union tree_node): Add base. Remove gimple_statement_list.
1830 Remove pointer from gstmt.
1831 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
1832 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
1833 * tree-vn.c (vn_compute): Change common.base to base.
1834 * tree-eh.c (verify_eh_throw_stmt_node): Same.
1835 * tree-flow-inline.h (var_ann): Same.
1836 (function_ann): Same.
1838 (mark_non_addressable): Same.
1839 * gimplify.c (tree_to_gimple_tuple): Same.
1840 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
1841 * tree-dfa.c (create_var_ann): Change common.base to base.
1842 (create_function_ann): Same.
1843 (create_stmt_ann): Same.
1844 (create_tree_ann): Same.
1845 (collect_dfa_stats_r): Same.
1846 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
1847 * tree-ssa-dce.c (NECESSARY): Same.
1848 * tree-ssa.c (delete_tree_ssa): Same.
1849 * tree-optimize.c (execute_free_cfg_annotations): Same.
1850 * tree-flow.h: Same.
1852 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
1854 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
1855 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
1857 * tree.h (struct gimple_stmt): Add prev and next fields.
1858 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
1859 (GIMPLE_STATEMENT_LIST_HEAD): New.
1860 (GIMPLE_STATEMENT_LIST_TAIL): New.
1861 (struct gimple_statement_list): New.
1862 (union tree_node): Add gimple_stmt_list and gstmt.
1863 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
1864 * tree.def: Add GIMPLE_STATEMENT_LIST.
1866 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
1868 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
1869 * tree-vrp.c (build_assert_expr_for): Change uses of
1870 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1871 (find_assert_locations): Same.
1872 (remove_range_assertions): Same.
1873 (stmt_interesting_for_vrp): Same.
1874 (vrp_visit_assignment): Same.
1875 (vrp_visit_stmt): Same.
1876 (simplify_cond_using_ranges): Same.
1877 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
1879 * tree-ssa-loop-im.c (movement_possibility): Change uses of
1880 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1882 (determine_invariantness_stmt): Same.
1883 (schedule_sm): Same.
1884 (gather_mem_refs_stmt): Same.
1885 * tree-complex.c (init_dont_simulate_again): Same.
1886 (complex_visit_stmt): Same.
1887 (set_component_ssa_name): Same.
1888 (expand_complex_move): Same.
1889 (expand_complex_div_wide): Same.
1890 (expand_complex_comparison): Same.
1891 (expand_complex_operations_1): Same.
1892 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
1893 (chain_of_csts_start): Same.
1894 (infer_loop_bounds_from_undefined): Same.
1895 * tree-pretty-print.c (dump_generic_node): Same.
1897 (op_symbol_1): Same.
1898 * tree-ssa-loop-manip.c (create_iv): Same.
1899 * value-prof.c (tree_divmod_fixed_value): Same.
1900 (tree_divmod_fixed_value_transform): Same.
1901 (tree_mod_pow2): Same.
1902 (tree_mod_pow2_value_transform): Same.
1903 (tree_mod_subtract): Same.
1904 (tree_mod_subtract_transform): Same.
1905 (tree_divmod_values_to_profile): Same.
1906 * tree-tailcall.c (process_assignment): Same.
1907 (find_tail_calls): Same.
1908 (adjust_accumulator_values): Same.
1909 (adjust_return_value): Same.
1910 (eliminate_tail_call): Same.
1911 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
1912 (make_node_stat): Same.
1913 (copy_node_stat): Handle gimple tuples.
1914 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
1915 (tree_node_structure): Handle tcc_gimple_stmt.
1916 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
1918 (build2_gimple_stat): New.
1919 (expr_location): New.
1920 (set_expr_location): New.
1921 (expr_has_location): New.
1923 (set_expr_locus): New.
1924 (expr_filename): New.
1926 (walk_tree): Handle tcc_gimple_stmt.
1928 (protected_tree_operand): New.
1929 (protected_tree_type): New.
1930 (tree_code_kind): Add gimple statements.
1931 * tree.h (tree_code_class): Add tcc_gimple_stmt.
1932 (IS_GIMPLE_STMT_CODE_CLASS): New.
1933 (struct tree_base): New.
1934 (struct tree_common): Shrink.
1935 (struct gimple_stmt): New.
1936 (struct gimple_expr): New.
1937 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1938 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1939 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1940 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1941 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
1942 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1943 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1944 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
1945 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
1946 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
1947 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
1948 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1949 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
1950 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
1951 Adjust for new `common' layout.
1952 (struct tree_function_decl): Add gimplified_flag.
1953 (DECL_GIMPLIFIED): NEW.
1954 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
1955 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
1956 EXPR_HAS_LOCATION): Call corresponding function.
1957 (GIMPLE_STMT_CHECK): New.
1958 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
1959 (TREE_BLOCK): Call tree_block.
1960 (GIMPLE_STMT_P): New.
1961 (GIMPLE_TUPLE_P): New.
1962 (TREE_TO_GIMPLE_STMT): New.
1963 (GIMPLE_STMT_TO_TREE): New.
1964 (GIMPLE_STMT_OPERAND): New.
1965 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
1966 (PROTECTED_TREE_OPERAND): New.
1967 (PROTECTED_TREE_TYPE): New.
1968 (build2_gimple_stat): Protoize.
1969 (build2_gimple): New.
1970 (expr_location): Protoize.
1971 (set_expr_location): Protoize.
1972 (expr_has_location): Protoize.
1973 (expr_locus): Protoize.
1974 (set_expr_locus): Protoize.
1975 (expr_filename): Protoize.
1976 (expr_lineno): Protoize.
1977 (tree_block): Protoize.
1978 (protected_tree_operand): Protoize.
1979 (protected_tree_type): Protoize.
1980 (enum tree_node_kind): Add gimple_stmt_kind.
1981 * c-decl.c (union lang_tree_node): Tuples do not have a
1983 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
1984 GIMPLE_MODIFY_STMT and adjust accordingly.
1985 * tree-scalar-evolution.c (follow_ssa_edge): Same.
1986 (interpret_condition_phi): Same.
1987 (pointer_used_p): Same.
1988 (analyze_scalar_evolution_1): Same.
1989 (scev_const_prop): Same.
1990 (interpret_rhs_modify_stmt): Rename from
1991 interpret_rhs_modify_expr.
1992 * builtins.c (std_expand_builtin_va_start): Change uses of
1993 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1994 (std_gimplify_va_arg_expr): Same.
1995 (expand_builtin_va_copy): Same.
1996 (integer_valued_real_p): Same.
1997 * fold-const.c (maybe_lvalue_p): Same.
1999 (tree_expr_nonnegative_p): Same.
2000 (tree_expr_nonzero_p): Same.
2001 * omp-low.c (extract_omp_for_data): Same.
2002 (lower_rec_input_clauses): Same.
2003 (lower_reduction_clauses): Same.
2004 (lower_copyprivate_clauses): Same.
2005 (lower_send_clauses): Same.
2006 (lower_send_shared_vars): Same.
2007 (expand_parallel_call): Same.
2008 (expand_omp_parallel): Same.
2009 (expand_omp_for_generic): Same.
2010 (expand_omp_for_static_nochunk): Same.
2011 (expand_omp_for_static_chunk): Same.
2012 (expand_omp_sections): Same.
2013 (lower_omp_single_copy): Same.
2014 (lower_omp_parallel): Same.
2015 * tree-ssa-dse.c (memory_address_same): Same.
2016 (dse_optimize_stmt): Same.
2017 * ipa-reference.c (scan_for_static_refs): Same.
2018 * tree-gimple.c (is_gimple_reg_rhs): Same.
2019 (get_call_expr_in): Same.
2020 (recalculate_side_effects): Same.
2021 * cgraphunit.c (cgraph_create_edges): Same.
2022 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2023 * tree-ssa-ccp.c (get_default_value): Same.
2024 (likely_value): Same.
2025 (visit_assignment): Same.
2026 (ccp_visit_stmt): Same.
2027 (get_maxval_strlen): Same.
2028 (ccp_fold_builtin): Same.
2029 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2030 (find_givs_in_stmt): Same.
2031 (find_interesting_uses_op): Same.
2032 (find_interesting_uses_stmt): Same.
2033 (rewrite_use_nonlinear_expr): Same.
2034 * ipa-pure-const.c (scan_function): Same.
2035 * tree-stdarg.c (va_list_counter_bump): Same.
2036 (check_all_va_list_escapes): Same.
2037 (execute_optimize_stdarg): Same.
2038 * tree-ssa-math-opts.c (compute_merit): Same.
2039 (insert_reciprocals): Same.
2040 (execute_cse_reciprocals): Same.
2041 * tree-ssa-dom.c (initialize_hash_element): Same.
2042 (simple_iv_increment_p): Same.
2043 (record_equivalences_from_stmt): Same.
2044 (optimize_stmt): Same.
2045 (remove_stmt_or_phi): Same.
2046 (get_rhs_or_phi_arg): Same.
2047 (get_lhs_or_phi_result): Same.
2048 (propagate_rhs_into_lhs): Same.
2049 * tree-nrv.c (tree_nrv): Same.
2050 (execute_return_slot_opt): Same.
2051 * tree-ssa-propagate.c (get_rhs): Same.
2053 (stmt_makes_single_load): Same.
2054 (stmt_makes_single_store): Same.
2055 (replace_vuses_in): Same.
2056 (fold_predicate_in): Same.
2057 (substitute_and_fold): Same.
2058 * tree-ssa-alias.c (compute_call_clobbered): Same.
2059 (recalculate_used_alone): Same.
2060 (count_uses_and_derefs): Same.
2061 (is_escape_site): Same.
2062 (find_used_portions): Same.
2063 * gimple-low.c (lower_stmt): Same.
2064 (block_may_fallthru): Same.
2065 (lower_return_expr): Same.
2066 * tree-ssa-sink.c (is_hidden_global_store): Same.
2067 (statement_sink_location): Same.
2068 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2069 * expr.c (safe_from_p): Same.
2070 (expand_expr_real): Same.
2071 (expand_expr_real_1): Same.
2072 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2073 * predict.c (expr_expected_value): Same.
2074 (strip_builtin_expect): Same.
2075 (apply_return_prediction): Same.
2076 (tree_bb_level_predictions): Same.
2077 (tree_estimate_probability): Same.
2078 * tree-vn.c (vn_compute): Same.
2079 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2080 (remove_stmt_from_eh_region_fn): Same.
2081 (do_return_redirection): Same.
2082 (honor_protect_cleanup_actions): Same.
2083 (lower_try_finally_switch): Same.
2084 (lower_eh_constructs_1): Same.
2085 (tree_could_throw_p): Same.
2086 (verify_eh_throw_stmt_node): Same.
2087 * function.c (gimplify_parameters): Same.
2088 * tree-vectorizer.c (vect_is_simple_use): Same.
2089 (vect_is_simple_reduction): Same.
2090 * ipa-type-escape.c (scan_for_refs): Same.
2091 * tree-if-conv.c (tree_if_conversion): Same.
2092 (tree_if_convert_stmt): Same.
2093 (if_convertible_gimplify_modify_stmt_p): Rename from
2094 if_convertible_modify_expr_p.
2095 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
2096 (ifc_temp_var): Same.
2097 (replace_phi_with_cond_modify_stmt): Rename from
2098 replace_phi_with_cond_modify_expr.
2099 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
2100 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
2101 * tree-data-ref.c (find_data_references_in_loop): Adjust for
2103 * tree-flow-inline.h (var_ann): Same.
2104 (function_ann): Same.
2106 (mark_non_addressable): Same.
2107 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
2108 * gimplify.c (tree_to_gimple_tuple): New.
2109 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
2110 (gimplify_return_expr): Same.
2111 (gimplify_decl_expr): Same.
2112 (gimplify_self_mod_expr): Same.
2113 (gimplify_cond_expr): Same.
2114 (gimplify_init_constructor): Same.
2115 (gimplify_modify_expr): Same.
2116 (gimplify_expr): Same.
2117 (gimplify_function_tree): Same.
2118 (force_gimple_operand): Same.
2119 * tree-ssa-phiopt.c (conditional_replacement): Same.
2120 (minmax_replacement): Same.
2121 (abs_replacement): Same.
2122 * tree-dfa.c (create_var_ann): Same.
2123 (create_function_ann): Same.
2124 (create_stmt_ann): Same.
2125 (create_tree_ann): Same.
2126 (collect_dfa_stats_r): Same.
2127 * tree-ssa-pre.c (find_or_generate_expression): Same.
2128 (create_expression_by_pieces): Same.
2129 (try_look_through_load): Same.
2130 (insert_fake_stores): Same.
2131 (realify_fake_stores): Same.
2132 (compute_avail): Same.
2135 (poolify_modify_stmt): Rename from poolify_modify_stmt.
2136 Adjust for GIMPLE_MODIFY_STMT.
2137 (NECESSARY): Adjust for new `common' layout.
2138 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
2140 * tree-sra.c (sra_walk_modify_stmt): Rename from
2141 sra_walk_modify_expr.
2142 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
2143 (generate_copy_inout): Same.
2144 (generate_element_copy): Same.
2145 (generate_element_zero): Same.
2146 (scalarize_copy): Same.
2147 * tree-mudflap.c (mf_decl_cache_locals): Same.
2148 (mf_build_check_statement_for): Same.
2149 (mf_xform_derefs): Same.
2150 * ipa-prop.c (ipa_method_modify_stmt): Same.
2151 * print-tree.c (print_node): Handle gimple tuples.
2152 Add case for tcc_gimple_stmt.
2153 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
2155 (copy_prop_visit_assignment): Same.
2156 (copy_prop_visit_stmt): Same.
2157 (init_copy_prop): Same.
2158 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
2159 (forward_propagate_into_cond_1): Same.
2160 (find_equivalent_equality_comparison): Same.
2161 (tidy_after_forward_propagate_addr): Same.
2162 (forward_propagate_addr_expr_1): Same.
2163 (simplify_not_neg_expr): Same.
2164 (simplify_switch_expr): Same.
2165 * tree-ssa-dce.c (find_pdom): Same.
2166 (mark_stmt_if_obviously_necessary): Same.
2167 (NECESSARY): Adjust for new `common' layout.
2168 * tree-flow.h: Same.
2169 * tree-vect-patterns.c (widened_name_p): Adjust for
2171 (vect_recog_dot_prod_pattern): Same.
2172 (vect_recog_widen_sum_pattern): Same.
2173 (vect_pattern_recog_1): Same.
2174 * tree-nested.c (init_tmp_var): Same.
2175 (save_tmp_var): Same.
2177 (convert_call_expr): Same.
2178 (finalize_nesting_tree_1): Same.
2179 * tree-ssa.c (verify_ssa): Same.
2180 (delete_tree_ssa): Same.
2181 * lambda-code.c (lbv_to_gcc_expression): Same.
2182 (lle_to_gcc_expression): Same.
2183 (lambda_loopnest_to_gcc_loopnest): Same.
2184 (can_put_in_inner_loop): Same.
2185 (can_convert_to_perfect_nest): Same.
2186 (perfect_nestify): Same.
2187 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
2188 * tree-inline.c (copy_body_r): Same.
2189 (setup_one_parameter): Same.
2190 (initialize_inlined_parameters): Same.
2191 (estimate_num_insns_1): Same.
2192 (expand_call_inline): Same.
2193 (gimple_expand_calls_inline): Same.
2194 (copy_tree_r): Same.
2195 * tree-optimize.c (execute_free_cfg_annotations): Same.
2196 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2197 (vect_align_data_ref): Same.
2198 (vect_create_data_ref_ptr): Same.
2199 (vect_init_vector): Same.
2200 (vect_create_epilog_for_reduction): Same.
2201 (vectorizable_reduction): Same.
2202 (vectorizable_assignment): Same.
2203 (vectorizable_operation): Same.
2204 (vectorizable_store): Same.
2205 (vectorizable_load): Same.
2206 (vectorizable_live_operation): Same.
2207 (vectorizable_condition): Same.
2208 (vect_generate_tmps_on_preheader): Same.
2209 (vect_create_cond_for_align_checks): Same.
2210 * tree-object-size.c (collect_object_sizes_for): Same.
2211 (check_for_plus_in_loops_1): Same.
2212 (check_for_plus_in_loops): Same.
2213 * tree-outof-ssa.c (insert_copy_on_edge): Same.
2214 (replace_use_variable): Same.
2215 (check_replaceable): Same.
2216 (rewrite_trees): Same.
2217 (identical_copies_p): Same.
2218 (insert_backedge_copies): Same.
2219 * tree-profile.c (tree_gen_edge_profiler): Same.
2220 * tree-vect-generic.c (expand_vector_operations_1): Same.
2221 * tree-ssa-structalias.c (update_alias_info): Same.
2222 (find_func_aliases): Same.
2223 * tree-cfg.c (factor_computed_gotos): Same.
2225 (make_goto_expr_edges): Same.
2226 (tree_merge_blocks): Same.
2227 (remove_useless_stmts_cond): Same.
2228 (remove_useless_stmts_1): Same.
2229 (tree_find_edge_insert_loc): Same.
2230 (verify_expr): Same.
2231 (gimplify_val): Same.
2232 (verify_gimple_tuples_1): New.
2233 (verify_gimple_tuples): New.
2234 (verify_stmts): Call verify_gimple_tuples.
2235 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
2236 (get_unary_op): Same.
2237 (linearize_expr): Same.
2238 (get_single_immediate_use): Same.
2239 (negate_value): Same.
2240 (should_break_up_subtract): Same.
2241 (break_up_subtract): Same.
2242 (repropagate_negates): Same.
2243 (break_up_subtract_bb): Same.
2244 (reassociate_bb): Same.
2245 * config/i386/i386.c (ix86_va_start): Same.
2246 (ix86_gimplify_va_arg): Same.
2247 * stmt.c (expand_expr_stmt): Same.
2248 (warn_if_unused_value): Same.
2249 (expand_return): Same.
2250 * tree-ssanames.c (make_ssa_name): Same.
2251 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2252 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2253 (add_virtual_operand): Same.
2254 (get_expr_operands): Same.
2255 (parse_ssa_operands): Same.
2256 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2258 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2260 * config.host: Remove extra blank line.
2262 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2264 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2265 target is also an x86 variant.
2267 2006-12-05 Richard Guenther <rguenther@suse.de>
2269 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2270 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2271 (ix86_builtin_vectorized_function): New function to vectorize
2274 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2276 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2277 ia64_override_options.
2279 2006-12-04 Jan Hubicka <jh@suse.cz>
2281 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2284 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2286 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2287 * config/bfin/bfin.c: Include "timevar.h".
2288 (bfin_flag_schedule_insns2, splitting_for_sched,
2289 bfin_flag_var_tracking): New variables.
2290 (print_operand): Handle '%!'.
2291 (override_options): Disable normal sched2 pass, instead set
2292 bfin_flag_schedule_insns2 for reorg to handle it.
2293 (output_file_start): Likewise for var-tracking.
2294 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2295 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2297 (bfin_reorg): Do second scheduling pass here, and call
2298 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2299 of examining insns directly. If bfin_flag_var_tracking, call
2300 var-tracking pass when done with everything else.
2301 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2302 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2303 (movsi_insn32): New pattern, with two new splits to create it
2304 before the final scheduling pass.
2305 (neghi2): Not a dsp32 insn, rather alu0.
2306 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2307 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2308 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2309 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2310 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2311 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2312 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2313 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2314 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2315 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2316 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2317 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2318 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2319 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2320 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2321 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2322 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2323 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2324 variants instead of ';'.
2325 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2326 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2327 (align8, align16, align24): Now named patterns; also using '%!'.
2330 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2332 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2333 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2335 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2337 * config/spu/spu-protos.c (spu_split_address): Add.
2338 * config/spu/spu.c (spu_split_address): Add.
2339 (print_operand): Handle HIGH.
2340 (spu_legitimate_address): Don't test for aligned CONST.
2341 (spu_expand_mov): Don't split addresses here.
2342 * config/spu/constraints.md (A): Don't test legitimate_const.
2343 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2344 (ceq_di): Use correct predicates.
2346 2006-12-04 Eric Christopher <echristo@apple.com>
2348 * config/darwin.h: Update copyright notice.
2349 * config/i386/darwin.h: Ditto.
2351 2006-12-04 Jan Hubicka <jh@suse.cz>
2353 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2354 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2356 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2358 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2360 * tree-ssa-structalias.c (set_used_smts): Export.
2361 (find_what_p_points_to): Don't call set_used_smts here.
2362 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2364 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2366 * tree-ssa-alias.c (compute_may_aliases):
2367 Compute flow sensitive before flow insensitive.
2368 (compute_flow_sensitive_aliasing): Don't try to add
2369 a symbol memory tag to itself.
2371 * alias.h (alias_set_subset_of): New prototype.
2373 * alias.c (alias_set_subset_of): New function.
2375 * tree-ssa-structalias.c: Update comments.
2376 (struct variable_info): Add finished_solution.
2377 (new_varinfo): Set finished solution to NULL.
2378 (var_escaped_vars): Remove.
2379 (escaped_vars_tree): Remove.
2380 (escaped_vars_id): Remove.
2381 (nonlocal_vars_id): Remove.
2382 (constraint_expr_type): Add INCLUDES.
2383 (graph_size): Removed.
2384 (dump_constraint): Support INCLUDES.
2385 (build_constraint_graph): Ditto.
2386 (collapse_nodes): Add merge_solutions argument.
2387 Don't merge attributes.
2388 (process_unification_queue): Just use collapse_nodes.
2389 (perform_var_substitution): Update call to collapse_nodes.
2390 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2391 (process_constraint): Fix non-field sensitive handling
2393 (get_constraint_for): Use INCLUDES.
2394 (make_constraint_from_anything): Renamed from
2395 make_constraint_from_escaped.
2396 (make_constraint_to_escaped): Removed.
2397 (find_global_initializers): Removed.
2398 (create_variable_info_for): Do not make constraints to escaped
2400 (dump_solution_for_var): Don't print out the equivalent points-to
2401 sets, just use the name of the variable it shares it with.
2402 (intra_create_variable_infos): Use INCLUDES.
2403 Change nonlocal variable sets to anything sets.
2404 (init_base_vars): Remove escaped_vars and nonlocal_var
2406 (find_escape_constraints): Removed.
2407 (delete_points_to_sets): Remove dead code.
2408 (used_smt_calculated): New variable.
2409 (set_used_smts): New function.
2410 (merge_smts_into): New function.
2411 (find_what_p_points_to): Modify to use SMTs.
2412 (create_nonlocal_var): Remove.
2414 * tree-ssa-operands.c (access_can_touch_variable): Remove
2415 reference to nonlocal_all.
2417 * tree-ssa.c (verify_name_tags): Remove.
2419 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2421 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2422 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2424 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2426 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2427 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2428 (add_livein_if_notdef): Delete.
2429 (loe_visit_block): New. Propogate live on entry info for a block into
2430 each predecessor. If it changes, make sure it is visited again.
2431 (live_worklist): Visit every block and update the live on entry info
2432 for preds. Iterate over any that changed.
2433 (set_var_live_on_entry): Populate the live on entry blocks with bits
2434 based on the immediate uses of a var.
2435 (calculate_live_on_entry): Remove.
2436 (calculate_live_on_exit): Calculate live on exit based on the newly
2437 oriented live on entry bits.
2438 (calculate_live_ranges): Build live on entry and exit vectors.
2439 (dump_live_info): Use new orientation of live on entry bitmaps.
2440 (verify_live_on_entry): New. Split out verification code from old
2441 calculate_live_on_entry routine.
2442 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2443 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2444 basic_block instead of for a partition.
2445 (live_merge_and_clear): Add asserts.
2446 (make_live_on_entry): Set partition bit in basic block vector.
2448 2006-12-04 Jakub Jelinek <jakub@redhat.com>
2451 * omp-low.c (expand_omp_for_static_nochunk,
2452 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2456 * omp-low.c (determine_parallel_type): Don't try to optimize combined
2457 parallels if region->exit or region->inner->exit is NULL.
2458 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
2460 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
2461 (expand_omp_for): Use expand_omp_for_generic if either region->cond
2462 or region->exit is NULL.
2463 (expand_omp_sections): Handle NULL region->cond or region->exit.
2466 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2468 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
2469 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2471 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
2473 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
2474 TYPE_MAX_VALUE for scalar types here but...
2475 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
2476 is attached an error mark, and the return value of the callback
2477 if it is not NULL_TREE.
2479 2006-12-04 Ben Elliston <bje@au.ibm.com>
2481 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
2483 2006-12-03 Eric Christopher <echristo@apple.com>
2486 * config/t-slibgcc-darwin: Pass -install_name.
2487 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
2488 libtool. Only pass through options that the linker recognizes.
2489 (LINK_SPEC): Update comment. Translate options.
2490 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
2491 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
2493 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
2495 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
2497 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
2500 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
2501 operands[1] in insn constraint. Correct type attribute to sselog1.
2503 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
2506 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
2508 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
2509 processor detection.
2511 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
2512 -march=native if there is no -mtune=*.
2514 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
2517 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2519 * doc/install.texi: Update recommended MPFR version. Remove
2520 obsolete reference to cumulative patch.
2522 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
2525 * c-decl.c (store_parm_decls_oldstyle): Robustify.
2527 2006-11-30 Jan Hubicka <jh@suse.cz>
2528 Uros Bizjak <ubizjak@gmail.com>
2530 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
2531 32bit memcpy/memset decriptors.
2532 (decide_alg): With -minline-all-stringops and sizes that are best
2533 to be copied via libcall still work hard enough to pick non-libcall
2536 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
2538 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
2540 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
2541 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
2542 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
2543 config/sh/sh4-300.md, config/spu/spu-builtins.def,
2544 config/spu/spu-c.c, config/spu/spu-modes.def,
2545 config/spu/spu.c, config/spu/spu.md,
2546 config/spu/spu_internals.h, config/spu/vmx2spu.h,
2547 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
2548 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
2549 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
2550 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
2551 spelling conventions.
2553 * config/i386/i386.c: Fix a comment typo.
2555 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2557 * config/spu/spu.c (spu_immediate): Remove trailing comma.
2558 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
2559 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
2560 better optimization.
2561 (floatv4siv4sf2): New.
2562 (fix_truncv4sfv4si2): New.
2563 (floatunsv4siv4sf2): New.
2564 (fixuns_truncv4sfv4si2): New.
2572 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
2573 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
2574 spu_resolve_overloaded_builtin instead of static inline functions.
2576 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
2578 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
2579 type instead of the size of its mode to compute the highest and
2580 lowest possible values. Still check the size of the mode before
2581 flipping the signedness of the comparison.
2583 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2585 * config/spu/predicates.md (spu_mov_operand): Add.
2586 * config/spu/spu.c (spu_expand_extv): Remove unused code.
2587 (print_operand_address, print_operand): Handle addresses containing AND.
2588 (spu_split_load, spu_split_store): Use updated movti pattern.
2589 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
2590 stores in mov patterns for correct operation of reload.
2591 (lq, lq_<mode>, stq, stq_<mode>): Remove.
2593 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2596 * c-common.c (check_main_parameter_types): Check for error_mark_node.
2598 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
2600 * common.opt (ftree-combine-temps): Remove.
2601 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
2602 (coalesce_ssa_name): Don't check for combine-temps.
2603 (coalesce_vars): Remove.
2604 (check_replaceable): Use num_imm_uses.
2605 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
2606 check for combine-temps.
2607 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
2608 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
2609 to register_ssa_partition calls.
2610 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
2611 (init_var_map, delete_var_map): remove refernces to ref_count.
2612 (create_ssa_var_map): Never calculate a ref count.
2613 (type_var_init): Remove.
2614 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
2615 (SSA_VAR_MAP_REF_COUNT): Delete.
2616 (create_ssa_var_map): Change Prototype to have no parameters.
2617 (version_ref_count): Delete.
2618 (register_ssa_partition): Remove 'is_use' paramater and don't set the
2620 (type_var_num, type_var, type_var_first_partition,
2621 type_var_next_partition, type_var_dump, type_var_delete,
2622 type_var_remove_partition, type_var_find, type_var_compact,
2623 type_var_decompact): Remove.
2625 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2627 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
2630 2006-12-01 Richard Guenther <rguenther@suse.de>
2633 * dwarf2out.c (struct pubname_struct): Make name const.
2634 (add_pubtype): Do not xstrdup identifiers.
2636 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2638 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
2639 multiword accesses are in range.
2641 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
2643 PR tree-optimization/29921
2644 * tree-ssa-ccp.c (canonicalize_float_value): New function.
2645 (set_lattice_value): Use canonicalize_float_value.
2647 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
2649 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
2650 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
2651 (spu_cpu_cpp_builtins): Remove.
2652 (spu_override_options): Don't set warn_main.
2653 (spu_force_reg): Move from spu-c.c.
2654 (spu_check_builtin_parm): Likewise.
2655 (expand_builtin_args): Likewise.
2656 (spu_expand_builtin_1): Likewise.
2657 (spu_expand_builtin): Likewise.
2658 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
2659 warn_main and targetm.resolve_overloaded_builtin.
2660 * config/spu/spu-c.c (spu_builtin_range): Remove.
2661 (spu_check_builtin_parm): Remove.
2662 (expand_builtin_args): Remove.
2663 (spu_expand_builtin_1): Remove.
2664 (spu_expand_builtin): Remove.
2665 (spu_cpu_cpp_builtins): Moved from spu.c
2666 (spu_force_reg): Remove.
2668 2006-12-01 Joseph Myers <joseph@codesourcery.com>
2669 David Edelsohn <edelsohn@gnu.org>
2672 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
2673 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
2674 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
2675 HARD_REGNO_NREGS_WITH_PADDING): Define.
2676 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
2677 HARD_REGNO_NREGS_WITH_PADDING): Define.
2678 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
2679 Use new macros to detect modes with holes; do not look at integer
2681 (subreg_offset_representable_p): Check for and disallow cases
2682 where the modes use different numbers of bits from registers.
2683 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
2684 constant for soft-float.
2685 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
2687 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
2688 in E500 double case.
2689 * config/rs6000/rs6000.md (movtf): Allow soft-float.
2690 (movtf_softfloat): New.
2692 2006-11-30 Richard Sandiford <richard@codesourcery.com>
2694 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
2695 simplify_gen_subreg.
2697 2006-11-30 Andrew Macleod <amacleod@redhat.com>
2699 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
2700 (COALESCE_HASH_FN): New. Define hash function.
2701 (partition_pair_map_hash): New. Hash value for a partition pair.
2702 (partition_pair_map_eq): New. Equality for hash pairs.
2703 (create_coalesce_list): Create hash table.
2704 (delete_coalesce_list): Free hash table.
2705 (find_partition_pair): Find/create pairs in hash table.
2706 (compare_pairs): Sort pairs in ascending order now.
2707 (num_coalesce_pairs): New. Number of pairs in hash table.
2708 (struct partition_pair_iterator): Iterator struct for pair table.
2709 (first_partition_pair): Iterator function for first pair.
2710 (end_partition_pair_p): Iterator function for end of iteration.
2711 (next_partition_pair): Iterator function for next pair.
2712 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
2713 (sort_coalesce_list): Sort pairs from hash table into an array.
2714 (pop_best_coalesce): Take pairs from the array.
2715 (dump_coalesce_list): Update to use hash table or sorted array.
2716 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
2717 (struct coalesce_list_d): Add hash table related fields.
2719 2006-11-30 Jan Hubicka <jh@suse.cz>
2722 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
2723 memmove/bcopy->memcpy conversion.
2725 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
2727 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
2728 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
2729 Default is the largest alignment supported for 32-bit ELF and
2730 representable on a 32-bit host.
2732 2006-11-30 Janis Johnson <janis187@us.ibm.com>
2734 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
2736 2006-11-30 Jan Hubicka <jh@suse.cz>
2738 * tree-ssa-operands.h (struct ssa_operands): New.
2739 * tree-flow-inline.h (gimple_ssa_operands): New function.
2740 * tree-flow.h: (struct gimple_df): Add ssa_operands.
2741 * Makefile.in: Remove gt-tree-ssa-operands.h
2742 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
2743 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
2744 operand_memory, operand_memory_index, ops_active): Remove statics.
2745 (ALLOC_OPTYPE): Update.
2746 (operand_build_sort_virtual): Update.
2747 (ssa_operands_active): Update.
2748 (init_ssa_operands): Update.
2749 (fini_ssa_operands): Update.
2750 (ssa_operand_alloc): Update.
2751 (INITIALIZE_USE): Update.
2752 (finalize_ssa_use_ops): Update.
2753 (finalize_ssa_v_may_def_ops): Update.
2754 (finalize_ssa_vuse_ops): Update.
2755 (finalize_ssa_v_must_def_ops): Update.
2757 2006-11-30 Richard Guenther <rguenther@suse.de>
2759 * tree-vectorizer.h (vectorizable_function): Export.
2760 * tree-vect-transform.c (vectorizable_function): Likewise.
2761 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
2762 type_in to scalar type in recognition of squaring.
2763 Make sure the target can vectorize sqrt in recognition
2764 of sqrt, set type_in to vector type in this case.
2766 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2768 * config/i386/i386.md (R10_REG): New constant.
2769 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
2770 (ix86_emit_restore_regs_using_mov): Ditto.
2771 (ix86_expand_call): Ditto.
2772 (x86_output_mi_thunk): Ditto. Also use R10_REG.
2774 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2776 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
2777 * alias.c (canon_true_dependence): Update comment.
2779 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2781 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
2782 at the end of a diagnostics message.
2784 * alloc-pool.c (pool_free): Postpone clearing the pool entry
2785 until after asserting that it was allocated in the right pool.
2787 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
2788 successor edge information as well. Make output of live regs
2789 on exit consistent with live regs on entry.
2791 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2794 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
2795 insn patterns for TARGET_80387.
2796 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
2797 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
2798 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
2799 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
2800 Generate truncxf<mode>2 insn patterns for strict SSE math.
2802 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2804 * config/i386/i386.md (movsf_1): Enable pattern for standard
2805 80387 constants before reload when optimizing for size.
2806 (*movdf_nointeger, *movdf_integer): Ditto.
2807 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
2808 80387 constants before reload when not optimizing for size.
2810 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
2811 extension of XFmode input operands.
2813 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2815 * config/spu/crt0.c (__dso_handle): Define.
2817 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
2819 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
2820 when clearing the used flags.
2822 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2824 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
2826 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2829 * config/spu/spu.md (extend_compare<mode>): New pattern.
2830 (extend_compare): Change to expand and use the above pattern.
2832 2006-11-29 Janis Johnson <janis187@us.ibm.com>
2834 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
2836 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
2837 (DFP_INIT_ROUNDMODE): Define.
2838 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
2839 * mklibgcc.in: Fix dependencies for dfp-bit.c.
2841 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
2843 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
2844 Update documentation.
2845 (associate_line_notes_with_blocks): Kill.
2846 (extend_bb): Remove basic block argument, put void instead.
2847 Remove line number handling for each bb.
2848 (save_line_notes): Kill.
2849 (restore_line_notes): Kill.
2850 (sched_init): Remove line_note_head initialization.
2851 Change extend_bb call.
2852 (sched_finish): Remove free of line_note_head.
2853 (add_block): Change extend_bb call.
2854 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
2855 rm_line_notes and restore_line_notes calls.
2856 (schedule_ebbs): Remove rm_redundant_line_notes.
2857 * sched-int.h (struct haifa_insn_data): Remove line_note.
2858 (save_line_notes): Remove declaration.
2859 (restore_line_notes): Remove declaration.
2860 * modulo-sched.c (loop_canon_p): Update debug info printing
2861 by using insn locators instead of line note.
2862 (sms_schedule): Update debug info printing, by using insn
2863 locators instead of line note.
2864 * sched-rgn.c (debug_dependencies): Remove handling of case
2865 n>0 (line number), since it's a dead code.
2866 (schedule_region): Remove save_line_notes and
2867 restore_line_notes calls.
2869 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2871 * config/rs6000/predicates.md (gpc_reg_operand): Check
2872 invalid_e500_subreg.
2873 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
2874 SImode subregs of SPE vectors.
2875 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
2876 * jump.c (true_regnum): Require subregs to satisfy
2877 subreg_offset_representable_p.
2879 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
2880 Steven Bosscher <stevenb.gcc@gmail.com>
2882 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
2883 since it no longer exists.
2885 2006-11-29 Duncan Sands <baldrick@free.fr>
2887 PR tree-optimization/23744
2888 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
2890 2006-11-29 Duncan Sands <baldrick@free.fr>
2892 PR tree-optimization/23744
2893 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
2895 2006-11-29 Duncan Sands <baldrick@free.fr>
2897 PR tree-optimization/23744
2898 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
2900 2006-11-29 Jie Zhang <jie.zhang@analog.com>
2902 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
2904 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
2906 * sh.opt (minline-ic_invalidate): New option.
2907 (musermode): Adjust comment.
2908 * sh.c (sh_initialize_trampoline): Emit library call unless
2909 is set; if it is set, don't emit library call if we can use icbi
2911 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
2912 icbi for TARGET_SH4_300.
2913 * t-sh (LIB1ASMFUNCS_CACHE): Set.
2914 * doc/invoke.texi: Document -minline-ic_invalidate; Update
2915 -musermode documentation.
2917 2006-11-29 Jim Tison <jtison@us.ibm.com>
2919 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
2920 __gthread_recursive_mutex_init): Define.
2922 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2924 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
2925 STRICT_ALIGNMENT and the type is more aligned than the saved
2926 registers, copy via a temporary.
2928 2006-11-28 Andrew Pinski <pinskia@gmail.com>
2931 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
2934 2006-11-28 Bob Wilson <bob.wilson@acm.org>
2936 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
2938 2006-11-28 Jan Hubicka <jh@suse.cz>
2940 Privatize SSA variables into gimple_df.
2941 * tree-flow-inline.h
2942 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
2943 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
2944 gimple_nonlocal_all): New accessors.
2945 (first_referenced_var): Update.
2946 (mark_stmt_modified): Update.
2947 (is_call_clobbered): Update.
2948 (mark_call_clobbered): Update.
2949 (clear_call_clobbered): Update.
2950 (mark_non_addressable): Update.
2951 * tree-vrp.c (get_value_range): Update.
2952 * tree-into-ssa.c (in_ssa_p): Kill.
2953 (get_default_def_for): Update.
2954 (rewrite_into_ssa): Update.
2955 * tree-complex.c (init_parameter_lattice_values): Update.
2956 (update_complex_assignment): Update.
2957 (update_parameter_components): Update.
2958 (expand_complex_libcall): Update.
2959 (expand_complex_operations_1): Update.
2960 * tree-tailcall.c (arg_needs_copy_p): Update.
2961 (add_virtual_phis): Update.
2962 (tree_optimize_tail_calls_1): Update.
2963 * tree-ssa-dse.c (memory_ssa_name_same): Update.
2964 * tree-ssa-copyrename.c
2965 (copy_rename_partition_coalesce): Update.
2966 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
2967 * tree-ssa-propagate.c (set_rhs): Update.
2968 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
2969 addressable_vars, global_var):Kill.
2970 (set_initial_properties): Update.
2971 (init_alias_info): Update.
2972 (finalize_ref_all_pointers): Update.
2973 (setup_pointers_and_addressables): Update.
2974 (maybe_create_global_var): Update.
2975 (create_global_var): Update.
2976 (dump_points_to_info): Update.
2977 * function.h (struct gimple_df): Forward declare.
2978 (struct function): Add GIMPLE_DF field.
2979 * gimplify.c (force_gimple_operand): Update.
2980 * tree-dfa.c (referenced_vars, default_defs): KIll.
2981 (make_rename_temp): Update.
2982 (dump_variable): Update.
2983 (referenced_var_lookup): Update.
2984 (referenced_var_check_and_insert): Update.
2985 (default_def): Rename to ...
2986 (gimple_default_def): ... this one; accept cfun argument.
2987 (set_default_def): Update.
2988 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
2989 (cleanup_control_flow): Update.
2990 * tree-ssa-pre.c (compute_avail): Update
2991 * tree-ssa-live.c (calculate_live_on_entry): Update.
2992 * tree-ssa.c (verify_use): Update.
2993 (verify_call_clobbering): Update.
2994 (verify_call_clobbering): Update.
2995 (init_tree_ssa): Update.
2996 (delete_tree_ssa): Update.
2997 * tree-outof-ssa.c (coalesce_ssa_name): Update.
2998 (rewrite_out_of_ssa): Update.
2999 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3000 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3002 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3003 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3004 addressable_vars, aliases_computed_p): Kill.
3005 (default_def): Rename to...
3006 (gimple_default_def): ... this one.
3007 (defaule_def_fn): Kill.
3008 (num_referenced_vars, ssa_names, num_ssa_names): Update.
3009 * tree-ssa-structalias.c (nonlocal_all): Kill.
3010 (get_constraint_exp_from_ssa_var): Update.
3011 (create_nonlocal_var): Update.
3012 (get_constraint_for): Update.
3013 (update_alias_info): Update.
3014 (find_global_initializers): Update.
3015 (intra_create_variable_infos): Update.
3016 (intra_create_variable_infos):
3017 (find_what_p_points_to): Update.
3018 (init_alias_heapvars): Update.
3019 * tree-cfg.c (remove_bb): Update.
3020 (gimplify_val): Update.
3021 * tree-ssa-reassoc.c (get_rank): Update.
3022 (init_reassoc): Update.
3023 * tree-ssanames.c: Do not include gt-tree-ssanames.h
3024 (ssa_names, free_ssanames): Kill.
3025 (init_ssanames): Update.
3026 (make_ssa_name): Update.
3027 (release_ssa_name): Update.
3028 (release_defs): Update.
3029 (replace_ssa_name_symbol): Update.
3030 * tree-ssa-operands.c (access_can_touch_variable): Update.
3031 (add_virtual_operand): Update.
3032 (add_call_clobber_ops): Update.
3033 (add_call_read_ops): Update.
3034 (get_call_expr_operands): Update.
3035 (get_asm_expr_operands): Update.
3037 2006-11-28 Jan Hubicka <jh@suse.cz>
3039 * builtins.c: Include tree-flow.h.
3040 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3041 assignment; convert memmove to memcpy for sizes greater than 1 where
3042 alignment of operands prohibit the partial overlap.
3044 2006-11-28 Jan Hubicka <jh@suse.cz>
3046 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3047 * cgraph.c (dump_cgraph_node): Dump stack usage.
3048 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3049 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3050 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3051 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3052 (cgraph_check_inline_limits): Limit stack growth.
3053 * cfgexpand.c: Include tree-inline.h.
3054 (account_stack_vars): New function.
3055 (expand_one_var): New param to just account the stack; return estimated
3057 (expand_used_vars_for_block): Update call of expand_one_var.
3058 (account_used_vars_for_block): New function.
3059 (estimated_stack_frame_size): Likewise.
3060 (init_vars_expansion, fini_vars_expansion): Break out from..
3061 (expand_used_vars): ... here.
3062 * tree-inline.h (estimated_stack_frame_size): Declare.
3063 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3065 2006-11-28 Richard Guenther <rguenther@suse.de>
3067 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3068 unsigned long for printing OBJECT_SIZE.
3070 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
3072 * alias.c (init_alias_analysis): Remove simplification loop
3073 after propagating pointers.
3075 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3077 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3080 2006-11-27 Bob Wilson <bob.wilson@acm.org>
3082 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3084 2006-11-27 Roger Sayle <roger@eyesopen.com>
3085 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3087 * c-common.c (constant_fits_type_p): Delete.
3088 (unsigned_conversion_warning): Delete.
3089 (conversion_warning): Integrate Wconversion warning from
3090 unsigned_conversion_warning.
3091 (convert_and_check): Integrate Woverflow warning from
3092 unsigned_conversion_warning. Reorganize and simplify to avoid
3093 dependence upon the middle-end setting TREE_OVERFLOW on integral
3094 conversions, by using int_fits_type_p directly.
3096 2006-11-27 Tobias Burnus <burnus@net-b.de>
3098 * doc/invoke.texi: Fixed typo.
3100 2006-11-27 Michael Matz <matz@suse.de>
3101 Andreas Krebbel <krebbel1@de.ibm.com>
3104 * config/s390/predicates.md (larl_operand): Check addend of larl
3105 operand to be in range of -/+2GB.
3106 * config/s390/s390.c (legitimize_pic_address): Likewise.
3107 Changed type of variable even to HOST_WIDE_INT.
3109 2006-11-27 Jan Hubicka <jh@suse.cz>
3111 * expr.c (emit_block_move_via_libcall): Export.
3112 (clear_storage_via_libcall): Rename to ...
3113 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
3114 (clear_storage): Update to set_storage_via_libcall.
3115 * expr.h (emit_block_move_via_libcall): Declare
3116 * config/i386/i386.h (stringop_alg): New enum.
3117 (MAX_STRINGOP_ALGS): New constant.
3118 (stringop_algs): New struct.
3119 (processor_costs): Add memcpy/memset descriptors.
3120 (TARGET_REP_MOVEL_OPTIMAL): Remove.
3121 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
3122 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
3124 * config/i386/i386.opt (minline-stringops-dynamically,
3125 mstringop-strategy): New
3127 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
3128 (ix86_expand-clrmem): Rename to ...
3129 (ix86_expand_setmem): ... this one; update prototype.
3130 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
3131 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
3132 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
3133 nocona_cost, core2_cost, generic_cost, generic64_cost,
3134 generic32_cost): Add memcpy/memset descriptors.
3135 (x86_rep_movl_optimal): Remove.
3136 (stringop_alg): New static variable.
3137 (ix86_expand_aligntest): Handle predictions.
3138 (override_options): Add strgop_alg handling.
3139 (predict_jump): New function.
3140 (scale_counter): New function.
3141 (expand_set_or_movmem_via_loop): New function.
3142 (expand_movmem_via_rep_mov): New function.
3143 (expand_setmem_via_rep_stots): New function.
3144 (emit_strmov): New function.
3145 (expand_movmem_epilogue): New function.
3146 (expand_setmem_epilogue_via_loop): New function.
3147 (expand_setmem_epilogue): New function.
3148 (expand_movmem_prologue): New function.
3149 (expand_setmem_prologue): New function.
3150 (decide_alg): New function.
3151 (decide_alignment): New function.
3152 (ix86_exand_movmem): Rewrite.
3153 (promote_duplicated_reg): New function.
3154 (ix86_expand_clrmem): Rename to ...
3155 (ix86_expand_setmem): ... this one. Rewrite.
3157 * invoke.texi (minline-stringops-dynamically): New command line option.
3158 (mstringop-strategy): Likewise.
3160 2006-11-27 Jan Hubicka <jh@suse.cz>
3162 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
3163 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
3164 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
3165 * insn-notes.def (FUNCTION_END): Remove.
3166 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
3167 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
3169 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
3170 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
3171 * cfglayout.c (duplicate_insn_chain): Don't worry about
3174 2006-11-27 Richard Guenther <rguenther@suse.de>
3175 Zdenek Dvorak <dvorakz@suse.cz>
3177 * target.h (struct gcc_target): Add builtin_vectorized_function
3179 * target-def.h (TARGET_VECTORIZE): Likewise.
3180 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3181 Document new target hook.
3182 * targhooks.h (default_builtin_vectorized_function): Declare.
3183 * targhooks.c (default_builtin_vectorized_function): Define.
3184 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
3185 (vectorizable_call): Declare.
3186 * tree-vect-analyze.c (vect_analyze_operations): Call
3188 * tree-vect-transform.c (vectorizable_function): New static function.
3189 (build_vectorized_function_call): Likewise.
3190 (vectorizable_call): New function.
3191 (vect_transform_stmt): Handle vectorizable calls.
3193 2006-11-27 Richard Guenther <rguenther@suse.de>
3196 * builtins.c (expand_builtin_pow): Optimize non integer valued
3197 constant exponents using sqrt or cbrt if possible. Always fall back
3198 to expanding via optabs.
3200 2006-11-27 Ira Rosen <irar@il.ibm.com>
3202 PR tree-optimization/22372
3203 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
3204 the type of the base address.
3205 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
3206 it in the data-ref pointer creation.
3207 (vect_init_vector): Add an argument, type of the init vector. Use it in
3209 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
3210 (get_initial_def_for_reduction): Likewise.
3211 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
3213 (vectorizable_assignment, vect_permute_store_chain): Likewise.
3214 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
3215 correct type in stmt creation.
3216 (vect_setup_realignment): Use the correct type in stmt creation.
3217 (vect_permute_load_chain): Change type of MODIFY_EXPR to
3219 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
3220 of MODIFY_EXPR to void_type_node.
3221 (vectorizable_condition): Change type of MODIFY_EXPR to
3223 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3226 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3229 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3230 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3231 standard 80387 constants, raise the cost to prevent
3232 compress_float_constant() to generate load from memory.
3234 * config/i386/i386.md: Add new splitter pattern to split
3235 float_extended load of constant from constant pool into
3238 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3240 * doc/install.texi: Move GMP/MPFR configure options from Fortran
3241 section to general section. Remove documentation for
3242 --with-mpfr-dir and --with-gmp-dir, add documentation for
3243 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3246 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3248 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3250 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3252 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3254 PR tree-optimization/29122
3255 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3256 for the new version. Assign NULL to DECL_RTL of the new version.
3258 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3260 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3262 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3264 * cse.c (cse_altered): Remove.
3265 (record_jump_equiv): Make true/false argument a bool instead
3267 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3268 where appropriate. Emit a new jump before the existing one
3269 instead of after so that delete_insn_and_edges removes the
3270 dead edges properly. Check any_condjump_p before calling
3272 (cse_basic_block): Check any_condjump_p before calling
3274 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3276 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3278 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3279 -ffixed-line-length-* options.
3281 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3283 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3284 (fprem1xf4): Rename to fprem1xf4_i387.
3286 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3287 Rename patterns to fmod<mode>3. Use general_operand operand
3288 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3289 patterns for SSE math.
3290 (remaindersf3, remainderdf3): Ditto.
3292 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3294 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3295 inside start_sequence / end_sequence pair.
3297 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3299 * jump.c (mark_all_labels): Work in cfglayout mode.
3300 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3301 when in cfglayout mode, because there are no dead jumptables
3303 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3305 (commit_edge_insertions): Do not allow insertion of instructions
3306 with control flow insns when in cfglayout mode.
3308 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3310 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3312 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3313 unswitch_loop): Ditto.
3314 * tree-loop-linear.c (linear_transform_loops): Ditto.
3315 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3316 tree_ssa_lim): Ditto.
3317 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3318 free_numbers_of_iterations_estimates): Ditto.
3319 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3320 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3321 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3322 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3323 place_new_loop, duplicate_loop, duplicate_subloops,
3324 update_single_exit_for_duplicated_loops, copy_loops_to,
3325 duplicate_loop_to_header_edge, create_preheaders,
3326 force_single_succ_latches, loop_version, fix_loop_structure):
3328 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3329 tree_unroll_loop): Ditto.
3330 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3331 * tree-scalar-evolution.c (select_loops_exit_conditions,
3332 scev_initialize, scev_analysis): Ditto.
3333 * tree-scalar-evolution.h (scev_initialize): Ditto.
3334 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3335 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3336 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3337 * modulo-sched.c (sms_schedule): Ditto.
3338 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3339 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3340 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3341 * ifcvt.c (if_convert): Ditto.
3342 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3343 canonicalize_loop_induction_variables,
3344 canonicalize_induction_variables,
3345 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3346 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3347 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3348 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3349 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3350 tree_ssa_loop_done): Ditto.
3351 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3352 estimate_bb_frequencies): Ditto.
3353 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3354 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3355 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3356 decide_unrolling_and_peeling, peel_loop_completely,
3357 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3358 peel_loop_simple, unroll_loop_stupid): Ditto.
3359 * loop-doloop.c (doloop_optimize_loops): Ditto.
3360 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3361 * loop-invariant.c (move_loop_invariants): Ditto.
3362 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3363 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3364 tree_ssa_prefetch_arrays): Ditto.
3365 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3367 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3368 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3369 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3370 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3371 verify_loop_structure): Ditto.
3372 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3373 canonicalize_induction_variables, tree_unroll_loops_completely,
3374 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3375 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3376 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3377 tree_unroll_loop, linear_transform_loops): Declaration changed.
3378 * basic-block.h: Remove declaration of struct loops.
3379 * cfghooks.h (struct cfg_hooks): Change type of
3380 cfg_hook_duplicate_loop_to_header_edge.
3381 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3382 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3383 vect_transform_loop): Declaration changed.
3384 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3385 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3386 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3387 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3388 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3389 loopify, loop_version, remove_path, unswitch_loops,
3390 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3391 Declaration changed.
3393 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3395 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3396 (X87MODEF): New mode macro.
3397 (ssemodefsuffix): New mode attribute.
3398 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3399 (sqrt_extend<mode>xf2_i387): New insn pattern.
3400 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3401 insn and truncate result back to original mode using
3402 UNSPEC_TRUNC_NOOP truncation.
3403 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3404 ssemodefsuffix mode attribute.
3405 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3406 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3407 (*sqrtextenddfxf2_i387): Remove insn patterns.
3409 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3410 truncation patterns.
3412 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3414 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3417 * c-tree.h (c_maybe_initialize_eh): New prototype.
3418 * c-decl.c (finish_decl): Move EH initialization...
3419 (c_maybe_initialize_eh): ... here. New function.
3420 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3421 if not #pragma omp atomic.
3424 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3425 or UNION_TYPE inner types.
3427 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3430 * ipa-pure-const.c (check_tree): If the original tree
3431 is volatile return early and say the function is not pure
3432 nor const. Remove the volatile check for writes.
3433 (analyze_function): Print out the result of the local
3436 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3438 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3440 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3441 * config/rs6000/rs6000.c (rs6000_override_options): Use
3442 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3445 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3447 * config/s390.c (s390_emit_compare_and_swap): New function.
3448 (s390_expand_cs_hqi, s390_expand_atomic): Call
3449 s390_emit_compare_and_swap.
3451 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3453 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
3455 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3459 * c-common.c (conversion_warning): New.
3460 (convert_and_check): Call conversion_warning unless there is an
3462 * doc/invoke.texi (-Wconversion): Update description.
3464 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
3466 * tree-ssa-alias.c (tree_pointer_compare): New function.
3467 (compact_name_tags): New function.
3468 (group_aliases): Call compact_name_tags.
3470 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3472 * real.h (real_isinteger): Declare.
3473 * real.c (real_isinteger): Define.
3474 * builtins.c (integer_valued_real_p): Use it.
3476 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3479 * c.opt (Wtraditional-conversion): New.
3480 (Wconversion): Update description.
3481 * c-typeck.c (convert_arguments): Warnings for prototypes causing
3482 type conversions different from what would happen in the absence
3483 of prototype are now handled by Wtraditional-conversion.
3484 * doc/invoke.texi (Wtraditional-conversion): New.
3485 (Wconversion): Update description.
3486 * doc/trouble.texi (Wconversion): Replace Wconversion by
3487 Wtraditional-conversion.
3489 2006-11-23 Andrew Pinski <pinskia@gmail.com>
3491 * predict.c (tree_estimate_probability): Check to make
3492 sure current_loops is non null before calling flow_loops_dump.
3494 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3496 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
3498 2006-11-23 David Ung <davidu@mips.com>
3500 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
3502 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
3503 (ASM_SPEC): Pass along -mfp32 and -mfp64.
3504 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
3505 high part of FP register when in 64-bit FP register mode. Similarly
3506 use gen_mfhc1 to load high part of FP register.
3507 (override_options): Allow -mgp32 and -mfp64 combination if
3508 ISA_HAS_MXHC1 (currently for O32 only).
3509 (mips_cannot_change_mode_class): If floating-point registers are
3510 bigger than word size. disallow conversion of float register from a
3511 large integer mode to a float mode smaller than the float register
3513 (mips_class_max_nregs): Handle float registers case seperately.
3514 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
3516 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
3517 (movdf_hardfloat_32bit): Similarly.
3518 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
3519 support a full 64-bit fpu.
3520 (mthc1): New pattern to generate MTHC1 instruction.
3521 (mfhc1): New pattern to generate MFHC1 instruction.
3522 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
3523 option for the MIPS32R2 and mention its use under O32 ABI.
3525 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3527 * var-tracking.c (emit_note_insn_var_location): Take care not to
3528 cause verify_flow_info failures.
3530 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
3532 * tree-ssa-structalias.c: Remove edge weights in favor of just
3533 processing them as complex constraints.
3534 (struct constraint_graph): Remove weighted succs and preds. Rename
3535 nonweighted succs and preds.
3536 (constraint_edge): Removed.
3537 (constraint_edge_t): Ditto.
3538 (constraint_edge_pool): Ditto.
3539 (new_constraint_edge): Ditto.
3540 (constraint_edge_equal): Ditto.
3541 (constraint_edge_less): Ditto.
3542 (constraint_edge_vec_find): Ditto.
3543 (erase_self_graph_edge): Ditto.
3544 (add_graph_edge): Removed.
3545 (get_graph_weights): Ditto.
3546 (allocate_graph_weights): Ditto.
3547 (valid_weighted_graph_edge): Ditto
3548 (bitmap_other_than_zero_bit_set): Ditto.
3549 (int_add_graph_edge): Renamed to add_graph_edge.
3550 (clear_edges_for_node): Remove support for weighted edges.
3551 (merge_graph_nodes): Ditto.
3552 (valid_graph_edge): Ditto.
3553 (build_constraint_graph): Ditto.
3555 (collapse_nodes): Ditto.
3556 (process_unification_queue): Ditto.
3557 (topo_visit): Ditto.
3558 (do_ds_constraint): Ditto.
3559 (perform_var_subsitution): Ditto.
3560 (solve_graph): Ditto.
3561 (init_alias_vars): Ditto.
3562 (delete_points_to_sets): Ditto.
3563 (do_complex_constraint): Support offsetted copies here.
3565 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
3567 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
3569 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
3571 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
3574 2006-11-23 Ben Elliston <bje@au.ibm.com>
3576 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
3578 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
3580 PR tree-optimization/29921
3581 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
3582 signed and unsigned zero equal.
3584 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
3586 * config/rs6000/rs6000.c (get_store_dest): New.
3587 (adjacent_mem_locations): Use get_store_dest() to get
3588 the rtl of the store destination.
3590 2006-11-22 Joseph Myers <joseph@codesourcery.com>
3592 * config/rs6000/spe.md (SPE64): New mode macro.
3593 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
3595 (mov_si<mode>_e500_subreg0_2): New.
3596 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
3598 (mov_si<mode>_e500_subreg4_2): New.
3599 * config/rs6000/predicates.md (input_operand): Do not allow
3600 invalid E500 subregs.
3601 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
3603 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
3604 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
3605 involving vector modes if TARGET_SPE.
3607 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
3610 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3611 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3613 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
3615 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
3616 mem_i_address_operand): New predicates.
3617 * config/bfin/bfin.c (bfin_issue_rate): New function.
3618 (TARGET_SCHED_ISSUE_RATE): New macro.
3619 * config/bfin/bfin.md (addrtype): New attribute.
3620 (slot0, slot1, slot2, store, pregs): New cpu_units.
3621 (core): Now a define_reservation.
3622 (alu): Remove some insn types from this reservation.
3623 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
3625 (dummy reservation): Don't trigger for mcld insns.
3626 (absence_sets): Two new absence sets to enforce slot ordering.
3627 (popsi_insn): Set addrtype.
3629 2006-11-22 Ira Rosen <irar@il.ibm.com>
3631 * doc/c-tree.texi: Document new tree codes.
3632 * doc/md.texi: Document new optabs.
3633 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
3635 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
3636 * optabs.h (optab_index): Add new.
3637 (vec_extract_even_optab, vec_extract_odd_optab,
3638 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
3639 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
3640 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
3642 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
3643 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3644 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
3645 along with macros for their access.
3646 * tree-data-ref.h (first_location_in_loop, data_reference): Update
3648 * tree-vect-analyze.c (toplev.h): Include.
3649 (vect_determine_vectorization_factor): Fix indentation.
3650 (vect_insert_into_interleaving_chain,
3651 vect_update_interleaving_chain, vect_equal_offsets): New functions.
3652 (vect_analyze_data_ref_dependence): Add argument for interleaving
3653 check. Check for interleaving if it's true.
3654 (vect_check_dependences): New function.
3655 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
3656 every ddr. Call vect_analyze_data_ref_dependence with new argument.
3657 (vect_update_misalignment_for_peel): Update for interleaving.
3658 (vect_verify_datarefs_alignment): Check only first data-ref for
3660 (vect_enhance_data_refs_alignment): Update for interleaving. Check
3661 only first data-ref for interleaving.
3662 (vect_analyze_data_ref_access): Check interleaving, update
3664 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
3665 with different parameters.
3666 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
3667 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
3668 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
3669 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
3670 Update step in case of interleaving.
3671 (vect_strided_store_supported, vect_permute_store_chain): New
3673 (vectorizable_store): Handle strided stores.
3674 (vect_strided_load_supported, vect_permute_load_chain,
3675 vect_transform_strided_load): New functions.
3676 (vectorizable_load): Handle strided loads.
3677 (vect_transform_stmt): Add argument. Handle strided stores. Check
3678 that vectorized stmt exists for patterns.
3679 (vect_gen_niters_for_prolog_loop): Update calculation for
3681 (vect_transform_loop): Remove stmt_vec_info for strided stores after
3682 whole chain vectorization.
3683 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
3684 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
3685 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
3686 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
3687 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
3689 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
3691 * cse.c (enum taken): Remove PATH_AROUND.
3692 (addr_affects_sp_p, invalidate_skipped_set,
3693 invalidate_skipped_block): Remove.
3694 (cse_end_of_basic_block): Remove skip_blocks and related code.
3695 (cse_main): Don't test for flag_cse_skip_blocks.
3696 Update cse_end_of_basic_block call.
3697 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
3698 code to lengthen the path if a jump was simplified.
3700 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3702 PR rtl-optimization/29924
3703 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
3704 (unroll_loop_runtime_iterations): Assert that the argument passed to
3705 split_edge_and_insert is not NULL.
3706 * loop-doloop.c (add_test): Ditto.
3708 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3710 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
3712 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
3713 * cfgloopmanip.c (update_single_exits_after_duplication,
3714 update_single_exit_for_duplicated_loop, loop_version): Ditto.
3715 * tree-scalar-evolution.c (get_loop_exit_condition,
3716 get_exit_conditions_rec, loop_closed_phi_def,
3717 number_of_iterations_in_loop, scev_const_prop): Ditto.
3718 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
3719 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
3721 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3723 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3724 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
3725 slpeel_make_loop_iterate_ntimes,
3726 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
3727 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3729 * tree-if-conv.c (if_convertible_loop_p): Ditto.
3730 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
3731 vect_analyze_loop_form): Ditto.
3732 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
3733 can_convert_to_perfect_nest, perfect_nestify): Ditto.
3734 * tree-vect-transform.c (vect_create_epilog_for_reduction,
3735 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
3736 vect_transform_loop): Ditto.
3737 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
3738 (single_exit, set_single_exit): New functions.
3739 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
3740 (single_exit, set_single_exit): Declare.
3741 * doc/loop.texi: Undocument single_exit field. Document single_exit
3744 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3746 PR tree-optimization/29902
3747 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
3748 any involved ssa name appears in abnormal phi node.
3750 2006-11-21 Bob Wilson <bob.wilson@acm.org>
3752 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
3753 (xtensa_const_ok_for_letter_p): Delete.
3754 (xtensa_extra_constraint): Delete.
3755 (override_options): Delete xtensa_char_to_class initialization.
3756 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
3757 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3758 (EXTRA_CONSTRAINT): Delete.
3759 * config/xtensa/xtensa.md: Include constraints.md.
3760 (call_internal): Combine alternatives.
3761 (call_value_internal): Likewise, and remove invalid constraints.
3762 * config/xtensa/constraints.md: New file.
3763 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
3764 (xtensa_extra_constraint): Delete.
3765 * doc/md.texi (Machine Constraints): Refer to constraints.md for
3768 2006-11-21 Janis Johnson <janis187@us.ibm.com>
3770 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
3771 of conversion that doesn't fit.
3773 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
3774 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
3775 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
3777 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
3779 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
3781 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
3783 2006-11-21 Richard Guenther <rguenther@suse.de>
3785 * tree-vectorizer.h (NUM_PATTERNS): Increase.
3786 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
3787 vect_recog_pow_pattern.
3788 (vect_recog_pow_pattern): New function.
3790 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
3792 * config/bfin/bfin.opt (mstack-check-l1): New.
3793 * doc/invoke.texi (Blackfin Options): Document it.
3794 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
3795 stack bounds in L1 memory if the new option is enabled.
3796 (override_options): Don't allow combinations of -fstack-limit and
3798 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
3801 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
3803 (bfin_register_move_cost): Bump costs if trying to move plain
3804 integer values through accumulators.
3806 2006-11-21 Ben Elliston <bje@au.ibm.com>
3808 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
3810 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
3811 Russell Olsen <Russell_Olsen@playstation.sony.com>
3812 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
3813 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
3814 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
3815 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
3816 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3818 * config.gcc: Add target for SPU.
3819 * config/spu/constraints.md: New file.
3820 * config/spu/crt0.c: New file.
3821 * config/spu/crtend.c: New file.
3822 * config/spu/crti.asm: New file.
3823 * config/spu/crtn.asm: New file.
3824 * config/spu/float_unsdidf.c: New file.
3825 * config/spu/float_unssidf.c: New file.
3826 * config/spu/predicates.md: New file.
3827 * config/spu/spu-builtins.def: New file.
3828 * config/spu/spu-builtins.h: New file.
3829 * config/spu/spu-builtins.md: New file.
3830 * config/spu/spu-c.c: New file.
3831 * config/spu/spu-elf.h: New file.
3832 * config/spu/spu-modes.def: New file.
3833 * config/spu/spu-protos.h: New file.
3834 * config/spu/spu.c: New file.
3835 * config/spu/spu.h: New file.
3836 * config/spu/spu.md: New file.
3837 * config/spu/spu.opt: New file.
3838 * config/spu/spu_internals.h: New file.
3839 * config/spu/spu_intrinsics.h: New file.
3840 * config/spu/spu_mfcio.h: New file.
3841 * config/spu/t-spu-elf: New file.
3842 * config/spu/vec_types.h: New file.
3843 * config/spu/vmx2spu.h: New file.
3844 * doc/contrib.texi: Document SPU contributor.
3845 * doc/extend.texi: Document SPU extensions.
3846 * doc/invoke.texi: Document SPU options.
3847 * doc/md.texi: Document SPU constraints.
3849 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3851 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
3853 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
3855 (flow_loop_dump): Do not dump loop level.
3856 (flow_loops_find): Do not call flow_loops_level_compute.
3857 * cfgloop.h (struct loop): Remove level field.
3859 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3861 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
3862 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
3863 Use vector of edges instead of array.
3864 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
3865 estimate_numbers_of_iterations_loop): Ditto.
3866 * predict.c (predict_loops): Ditto.
3867 * loop-unroll.c (analyze_insns_in_loop): Ditto.
3868 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
3870 * basic-block.h: Declare heap allocation for edge vectors.
3871 * tree-outof-ssa.c: Ditto.
3872 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
3873 * cfgloop.h (get_loop_exit_edges): Declaration changed.
3875 2006-11-20 Zack Weinberg <zackw@panix.com>
3877 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
3878 Add another out parameter, "skip".
3879 (set_gc_used_type): Adjust calls to process_gc_options. If a field
3880 is tagged "skip", do not mark its type used.
3882 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3885 * tree-sra.c (single_scalar_field_in_record_p): New function.
3886 (decide_block_copy): Use it.
3888 2006-11-20 David Daney <ddaney@avtrex.com>
3890 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3891 PC to point to following instruction.
3893 2006-11-20 Anatoly Sokolov <aesok@post.ru>
3897 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
3899 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
3901 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
3903 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3904 Add sh/superh.h to tm_file.
3906 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
3907 Mark Mitchell <mark@codesourcery.com>
3909 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
3911 (cpp_relocated): New function.
3912 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
3914 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
3915 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
3916 replace configured prefix with gcc_exec_prefix.
3918 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3920 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
3921 bfin_legitimate_constant_p.
3922 * config/bfin/bfin.md (movsi expander): Check return value of
3924 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
3925 (expand_move): Adjust prototype.
3926 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
3927 invalid constants specially.
3928 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
3930 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
3932 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
3933 sibcall_value_symbol): Allow these patterns if
3934 TARGET_LEAF_ID_SHARED_LIBRARY.
3935 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
3936 (override_options): Turn on id shared library flags if -msep-data,
3937 but disallow the combination of these options on the command line.
3938 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
3939 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
3940 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
3941 -mid-shared-library.
3942 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
3943 * doc/invoke.texi (Blackfin Options): Document new switches.
3945 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
3946 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
3948 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
3949 inflate costs for addresses with an out-of-bounds address.
3951 2006-11-19 Andrew Pinski <pinskia@gmail.com>
3954 * fwprop.c (loops): Remove.
3955 (forward_propagate_into): Use current_loops instead of
3957 (fwprop_init): Call loop_optimizer_init instead of
3959 (fwprop_done): Call loop_optimizer_finalize instead of
3961 (fwprop): Use current_loops instead of loops.
3963 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
3966 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
3968 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3971 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
3972 larger than BITS_PER_WORD.
3974 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3978 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
3979 to MAX_FIXED_MODE_SIZE.
3981 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3983 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
3984 (fold_builtin_fmin_fmax): New.
3985 (fold_builtin_1): Use it.
3987 * fold-const.c (fold_strip_sign_ops): Handle copysign.
3989 2006-11-18 Richard Guenther <rguenther@suse.de>
3991 * config/i386/i386.c (ix86_builtins): New array for ix86
3992 builtin function decls.
3993 (def_builtin): New function.
3994 (def_builtin_const): Likewise.
3995 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
3997 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
3999 * doc/invoke.texi (core2): Add item.
4001 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4003 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4004 (TARGET_CPU_DEFAULT_generic): Change value.
4005 (TARGET_CPU_DEFAULT_NAMES): Add core2.
4006 (processor_type): Add new constant PROCESSOR_CORE2.
4008 * config/i386/i386.md (cpu): Add core2.
4010 * config/i386/i386.c (core2_cost): New initialized variable.
4011 (m_CORE2): New macro.
4012 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4013 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4014 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4015 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4016 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4017 x86_accumulate_outgoing_args, x86_prologue_using_move,
4018 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4019 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4020 x86_use_incdec, x86_four_jump_limit, x86_schedule,
4021 x86_pad_returns): Add m_CORE2.
4022 (override_options): Add entries for Core2.
4023 (ix86_issue_rate): Add case for Core2.
4025 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
4027 * doc/invoke.texi: Fix mno-isel typo.
4029 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4031 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4032 easy vector constant loads.
4034 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4036 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4037 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4038 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4039 * config/rs6000/sync.md (lwsync): Emit plain sync if
4042 2006-11-17 DJ Delorie <dj@redhat.com>
4044 * reload1.c (reloads_unique_chain): New.
4045 (reloads_conflict): Call it.
4047 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4049 * config/xtensa/predicates.md (addsubx_operand): New.
4050 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4051 (xtensa_emit_bit_branch): New.
4052 (xtensa_emit_movcc): New.
4053 * config/xtensa/xtensa.md (any_minmax): New code macro.
4054 (minmax): New code attribute.
4055 (any_cond, any_scc, any_scc_sf): New code macros.
4056 (*addx2, *addx4, *addx8): Delete.
4058 (*subx2, *subx4, *subx8): Delete.
4060 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4061 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4062 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4063 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4064 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4065 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4066 (movsfcc_internal0, movsfcc_internal1): Likewise.
4067 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4068 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4069 (xtensa_emit_bit_branch): New.
4070 (xtensa_emit_movcc): New.
4071 (function_arg_boundary): Add missing prototype.
4073 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4075 * config/xtensa/xtensa.md (tstsi): Delete
4077 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4079 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4081 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4083 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4085 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4087 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
4089 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4091 * tree-vrp.c (execute_vrp): Do not update current_loops.
4092 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
4093 * doc/loop.texi: Remove documentation for cancelled functions.
4094 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
4095 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
4097 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
4098 (remove_path): Ensure that in delete_basic_blocks, the loops
4099 are still allocated.
4100 (add_loop): Work on valid loop structures.
4101 (loopify): Modify call of add_loop.
4102 (mfb_update_loops): Removed.
4103 (create_preheader): Do not update loops explicitly.
4104 (force_single_succ_latches, loop_version): Do not use
4105 loop_split_edge_with.
4106 (loop_split_edge_with): Removed.
4107 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
4108 Do not use bsi_insert_on_edge_immediate_loop.
4109 (split_loop_exit_edge, tree_unroll_loop): Do not use
4110 loop_split_edge_with.
4111 (bsi_insert_on_edge_immediate_loop): Removed.
4112 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
4113 use loop_split_edge_with.
4114 * cfghooks.c: Include cfgloop.h.
4115 (verify_flow_info): Verify that loop_father is filled iff current_loops
4117 (redirect_edge_and_branch_force, split_block, delete_basic_block,
4118 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4120 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4122 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
4123 loop_split_edge_with.
4124 (sms_schedule): Use current_loops.
4125 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
4126 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
4128 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
4129 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
4130 * ifcvt.c (if_convert): Ditto.
4131 * predict.c (predict_loops): Do not clear current_loops.
4132 (tree_estimate_probability): Use current_loops.
4133 (propagate_freq): Receive head of the region to propagate instead of
4135 (estimate_loops_at_level): Do not use shared to_visit bitmap.
4136 (estimate_loops): New function. Handle case current_loops == NULL.
4137 (estimate_bb_frequencies): Do not allocate tovisit. Use
4139 * tree-ssa-loop.c (current_loops): Removed.
4140 (tree_loop_optimizer_init): Do not return loops.
4141 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
4142 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
4143 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
4144 Do not update loops explicitly.
4145 * function.h (struct function): Add x_current_loops field.
4146 (current_loops): New macro.
4147 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
4148 * loop-unroll.c (split_edge_and_insert): New function.
4149 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
4150 use loop_split_edge_with.
4151 * loop-doloop.c (add_test, doloop_modify): Ditto.
4152 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
4153 * cfglayout.c (copy_bbs): Do not update loops explicitly.
4154 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
4155 * tree-vect-transform.c (vect_transform_loop): Do not update loops
4157 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
4158 (flow_loops_free): Do not free dfs_order and rc_order.
4159 (flow_loops_find): Do not set dfs_order and rc_order in loops
4160 structure. Do not call loops and flow info verification.
4161 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
4162 already belongs to some loop.
4163 * cfgloop.h (struct loops): Remove struct cfg.
4164 (current_loops, loop_split_edge_with): Declaration removed.
4165 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
4166 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
4167 Declaration removed.
4168 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
4169 * basic-block.h (split_edge_and_insert): Declare.
4170 * tree-cfg.c (remove_bb): Do not update loops explicitly.
4172 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4174 PR tree-optimization/29801
4175 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
4176 (get_default_value): Use get_symbol_constant_value.
4177 (set_lattice_value): ICE when the value of the constant is
4179 (visit_assignment): Ignore VDEFs of read-only variables.
4181 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4183 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
4185 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4186 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
4188 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4190 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
4191 select subvars of var.
4193 2006-11-17 Jakub Jelinek <jakub@redhat.com>
4196 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
4197 optimize if DEF doesn't have integral type.
4199 2006-11-16 Mike Stump <mrs@apple.com>
4201 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
4202 pre-darwin9 system, unless the user asks for it directly.
4203 (PREFERRED_DEBUGGING_TYPE): Likewise.
4204 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4205 * config.gcc: Add suppport for darwin9.h.
4206 * config/darwin9.h: Add.
4207 * doc/install.texi (Specific): Clarify darwin documentation.
4209 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4211 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
4212 optimizing for size.
4214 2006-11-16 Mike Stump <mrs@apple.com>
4216 * Makefile.in (targhooks.o): Add $(OPTABS_H).
4218 2006-11-16 Dirk Mueller <dmueller@suse.de>
4220 * tree-vrp.c (get_value_range): Use XCNEW instead
4222 (insert_range_assertions): Use XCNEWVEC instead
4223 of XNEWVEC and memset.
4224 (vrp_initialize): Same.
4225 (vrp_finalize): Same.
4226 * tree-ssa-ccp.c (ccp_initialize): Same.
4227 * predict.c (tree_bb_level_predictions): Same.
4228 * calls.c (expand_call): Same.
4229 * tree-ssa-copy.c (init_copy_prop): Same.
4230 (fini_copy_prop): Same.
4231 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
4232 of GGC_NEW and memset.
4234 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
4237 * gimplify.c (gimplify_expr): Only force a load for references to
4238 non-BLKmode volatile values.
4239 * doc/implement-c.texi (Qualifiers implementation): Document the
4240 interpretation of what a volatile access is.
4241 * doc/extend.texi (C++ Extensions): Rework same documentation.
4243 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4245 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4248 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4250 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4252 (arm_neg_abssi2): Renamed from neg_abssi2.
4253 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4255 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4257 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4258 number of arguments passed to local functions in SSE registers is 3.
4260 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4261 number of arguments passed in SSE registers to 3.
4263 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4266 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4268 (get_last_bb_insn): ... new global function.
4269 (basic_block.h): Declare it.
4270 * haifa-sched.c (create_recovery_block): Use it.
4272 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4275 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4277 2006-11-15 Paul Brook <paul@codesourcery.com>
4279 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4280 _Unwind_GetTextRelBase): Move from here ...
4281 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4282 _Unwind_GetTextRelBase): ... To here.
4284 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4286 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4287 addresses we generate for testing are aligned.
4289 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4292 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4293 to what is the const decl is a place holder for.
4295 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4297 * config/i386/i386.opt: New target option -mx87regparm.
4299 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4300 and float_in_x87 variables. mmx_words, sse_words: Remove.
4301 (X87_REGPARM_MAX): Define.
4303 * config/i386/i386.c (override_options): Error out for
4304 -mx87regparm but no 80387 support.
4305 (ix86_attribute_table): Add x87regparm.
4306 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4307 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4308 (ix86_function_x87regparm): New function.
4309 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4311 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4313 (function_arg_advance): Process x87_nregs and x87_regno when
4314 floating point argument is to be passed in 80387 register.
4315 (function_arg): Pass XFmode arguments in 80387 registers for local
4316 functions. Pass SFmode and DFmode arguments to local functions
4317 in 80387 registers when flag_unsafe_math_optimizations is set.
4319 * reg-stack.c (convert_regs_entry): Disable NaN load for
4320 stack registers that are used for argument passing.
4322 * doc/extend.texi: Document x87regparm function attribute.
4323 * doc/invoke.texi: Document -mx87regparm.
4325 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4327 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4328 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4329 arg MODE; all callers changed. Use it to determine validity per
4330 machine mode instead of using Pmode for all memory references.
4331 (get_address_cost): Likewise add and use new arg MEM_MODE.
4333 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4334 J"orn Rennecke <joern.rennecke@st.com>
4336 * combine.c (likely_spilled_retval_1): Fix masking operation.
4337 (likely_spilled_retval_p): Use proper pattern for call to
4338 likely_spilled_retval_1.
4340 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4342 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4344 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4345 that tests for CONSTANT_POOL_ADDRESS_P.
4347 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4349 PR tree-optimization/29581
4350 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4351 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4352 type is different between Y and USE, create a temporary
4353 variable, initialize it at the beginning of the body bb
4354 and use it as replacement instead of Y.
4356 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4359 * gimplify.c (fold_indirect_ref_rhs): Use
4360 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4362 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4364 * expmed.c (emit_store_flag_1): New function.
4365 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4367 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4368 Use do_compare_rtx_and_jump.
4369 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4370 * arm.md (cstoresi4): New define_expand.
4371 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4372 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4373 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4375 2006-11-14 Caroline Tice <ctice@apple.com>
4377 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4378 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4380 (pubname_table): Redefine as a vector.
4381 (pubtype_table): New static global variable, defined as a vector.
4382 (pubname_table_allocated): Remove static global variable.
4383 (pubname_table_in_use): Remove static global variable.
4384 (PUBNAME_TABLE_INCREMENT): Remove constant.
4385 (size_of_pubnames): Add parameter to deal with either pubnames or
4386 pubtypes, and change code to deal with table being a vector.
4387 (add_pubname): Change to deal with table being a vector.
4388 (add_pubtype): New function.
4389 (output_pubnames): Add parameter to deal with either pubnames or
4390 pubtypes, and change code to deal with table being a vector.
4391 (gen_array_type_die): Add call to add_pubtype.
4392 (gen_enumeration_type_die): Add call to add_pubtype.
4393 (gen_struct_or_union_type_die): Add call to add_pubtype.
4394 (gen_subroutine_type_die): Add call to add_pubtype.
4395 (gen_typedef_die): Add call to add_pubtype.
4396 (dwarf2out_init): Add code to initialize pubname_table and
4397 pubtype_table vectors; also initialize debug_pubtypes_section.
4398 (prune_unused_types): Change to deal with pubnames being a vector.
4399 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4400 pubnames table to call to output_pubnames; Add code to output pubtypes
4401 table if DEBUG_PUBTYPES_SECTION is defined.
4402 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4404 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4406 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4408 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4409 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4410 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4411 movv2si_internal): Support moves between core registers.
4413 2006-11-14 Eric Christopher <echristo@apple.com>
4415 * configure: Regenerate with autoconf 2.59.
4417 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4419 Fix PR tree-optimization/27755
4421 * tree-ssa-pre.c: Update comments.
4422 (bb_bitmap_sets): Add pa_in and deferred member.
4423 (BB_DEFERRED): New macro.
4424 (maximal_set): New variable.
4425 (pre_stats): Add pa_insert member.
4426 (bitmap_set_and): Short circuit orig == dest.
4427 (bitmap_set_subtract_values): New function.
4428 (bitmap_set_contains_expr): Ditto.
4429 (translate_vuses_through_block): Add phiblock argument.
4430 (dependent_clean): New function.
4431 (compute_antic_aux): Update for maximal_set changes.
4432 (compute_partial_antic_aux): New function.
4433 (compute_antic): Handle partial anticipation.
4434 (do_partial_partial_insertion): New function.
4435 (insert_aux): Handle partial anticipation.
4436 (add_to_sets): Add to maximal set.
4437 (compute_avail): Ditto.
4438 (init_pre): Initialize maximal_set.
4439 (execute_pre): Do partial anticipation if -O3+.
4441 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4443 PR rtl-optimization/29798
4445 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4446 TARGET_INSN before any other check.
4447 (fwprop_init): Always calculate dominators.
4448 (fwprop_done): Always free them.
4450 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4452 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
4455 2006-11-13 DJ Delorie <dj@redhat.com>
4457 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
4458 temporary for intermediates.
4460 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
4462 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
4463 (sh_optimize_target_register_callee_saved): #if 0 the code
4464 using NOTE_INSN_LOOP_{BEG,END}.
4466 2006-11-13 Roger Sayle <roger@eyesopen.com>
4468 * fold-const.c (optimize_bit_field_compare): Recursively call
4469 fold when simplifying non-constant comparisons between bit-fields.
4471 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4473 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
4475 * configure: Rebuilt.
4477 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
4479 * config/rs6000/cell.md: New file.
4480 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
4482 (ppccell_cost): New cost matrix.
4483 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
4484 (rs6000_override_options): Set rs6000_always_hint to false
4485 for cell. Also align functions/lables/loops to 8byte
4486 for the Cell. Use PROCESSOR_CELL.
4487 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
4488 using_mtcr_multiple.
4489 (rs6000_variable_issue): If the insn is a nonpipelined instruction
4490 on the Cell, return 0.
4491 (rs6000_adjust_cost): Add Cell cost adjustments.
4492 (is_microcoded_insn): Return true for Cell microcoded
4494 (is_nonpipeline_insn): New function.
4495 (rs6000_issue_rate): Add PROCESSOR_CELL.
4496 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
4498 (rs6000_use_sched_lookahead_guard): New function.
4499 (rs6000_sched_reorder): Reorder the ready list, if the second
4500 to last ready insn is a nonepipeline insn on the Cell.
4501 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
4502 (ASM_CPU_SPEC): Add Cell.
4503 * config/rs6000/rs6000.md (cpu): Add Cell.
4504 (cell_micro): New Attr.
4507 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4509 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
4511 * configure: Rebuilt.
4513 2006-11-13 Richard Guenther <rguenther@suse.de>
4515 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
4517 (ix86_expand_lfloorceil): Likewise.
4518 (ix86_expand_rint): Likewise.
4519 (ix86_expand_floorceildf_32): Likewise.
4520 (ix86_expand_floorceil): Likewise.
4521 (ix86_expand_rounddf_32): Likewise.
4522 (ix86_expand_truncdf_32): Likewise.
4523 (ix86_expand_round): Likewise.
4525 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
4526 Mark Mitchell <mark@codesourcery.com>
4528 * gcc.c: Organize search path variables into $prefix relative,
4529 and well-known native. Add comments.
4530 (add_sysrooted_prefix): Add comment.
4531 (process_command): If !gcc_exec_prefix add $prefix based paths.
4532 If *cross_compile == '0', add native well-known paths.
4533 Assert tooldir_base_prefix is always relative.
4534 (main): If print_search_dirs, and if gcc_exec_prefix is set,
4535 use this value for 'install:' path.
4536 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
4538 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4540 * config/i386/i386.c: Fix a typo in comment.
4542 2006-11-13 Michael Matz <matz@suse.de>
4544 * genemit.c (gen_expand): Allocate enough memory.
4546 2006-11-13 Joseph Myers <joseph@codesourcery.com>
4548 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
4549 __GXX_TYPEINFO_EQUALITY_INLINE but not
4550 __GXX_MERGED_TYPEINFO_NAMES.
4551 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
4552 __GXX_MERGED_TYPEINFO_NAMES.
4553 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
4554 __GXX_TYPEINFO_EQUALITY_INLINE.
4556 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4557 Zdenek Dvorak <dvorakz@suse.cz>
4559 PR tree-optimization/29680
4560 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
4563 2006-11-12 Jason Merrill <jason@redhat.com>
4564 Andrew Pinski <pinskia@physics.uc.edu>
4567 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
4569 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
4571 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
4572 * tree.c (build_vector): Handle non-_CST elements.
4574 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4576 * genemit.c (gen_insn): Call gen_exp with a non-null used
4577 when handling multiple insns.
4578 (gen_expand): Likewise.
4579 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4580 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
4581 (movsi_const_16bit+1): Copy operands[1].
4582 (call_pcrel): Copy the call_site pattern.
4583 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
4585 2006-11-12 Roger Sayle <roger@eyesopen.com>
4587 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
4588 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
4589 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
4590 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
4592 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
4594 Fix PR tree-optimization/29587
4595 * tree-ssa-structalias.c (process_constraint): Don't
4596 mark address taken due only to escaped vars constraint.
4598 2006-11-12 Michael Matz <matz@suse.de>
4599 Roger Sayle <roger@eyesopen.com>
4601 PR rtl-optimization/29797
4602 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
4603 BITS_BIG_ENDIAN targets.
4605 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4607 * builtins.c (fold_builtin_cosh): New.
4608 (fold_builtin_1): Use it.
4609 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
4610 trunc to the list of "odd" functions. Also add llrint, lrint,
4611 rint and nearbyint when flag_rounding_math is false.
4613 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4615 * tree-flow.h (name_mappings_registered_p): Declare.
4616 * tree-into-ssa.c (name_mappings_registered_p): New function.
4617 * tree-cfg.c (tree_can_merge_blocks_p): Check
4618 name_mappings_registered_p instead of need_ssa_update_p.
4620 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4622 * tree-ssa-loop.c (tree_vectorize): Return the result of
4624 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
4625 if anything changed.
4626 * tree-vectorizer.h (vectorize_loops): Declaration removed.
4627 * tree-flow.h (vectorize_loops): Declaration changed.
4629 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4631 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
4633 (issue_prefetch_ref): Move assignment to write_p out of loop.
4634 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
4635 SIMULTANEOUS_PREFETCHES into account.
4636 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
4637 * lambda-code.c (lcm): Renamed to ...
4638 (least_common_multiple): ... and exported.
4639 * tree-flow.h (least_common_multiple): Declare.
4641 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4643 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
4644 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
4645 ud-chains. Handle AND_EXPR.
4646 (record_estimate): Record whether the estimate is realistic
4647 and whether it is derived from a loop exit.
4648 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
4649 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
4651 (compute_estimated_nb_iterations): Take only realistic bounds into
4652 account. Set estimate_state. Use double_ints.
4653 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
4654 and infer_loop_bounds_from_signedness. Do not consider basic blocks
4655 that do not have to be always executed.
4656 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
4657 to determine whether to call infer_loop_bounds_from_undefined
4658 and compute_estimated_nb_iterations.
4659 (n_of_executions_at_most): Use double_ints.
4660 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
4661 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
4662 * double-int.c (double_int_to_tree): Improve comment.
4663 (double_int_fits_to_tree_p): New function.
4664 * double-int.h (double_int_fits_to_tree_p): Declare.
4665 * tree-data-ref.c: Include langhooks.h.
4666 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
4667 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
4668 (analyze_array): Do not pass estimate_only argument to
4669 analyze_array_indexes.
4670 (get_number_of_iters_for_loop): Build tree from the stored double_int
4672 (get_references_in_stmt, find_data_references_in_stmt): New functions.
4673 (find_data_references_in_loop): Use find_data_references_in_stmt.
4674 * tree-data-ref.h (struct data_ref_loc_d): New.
4675 (get_references_in_stmt): Declare.
4676 (estimate_iters_using_array): Declaration removed.
4677 * cfgloop.h (struct nb_iter_bound): Change type of bound to
4678 double_int. Improve comments. Add is_exit and realistic
4680 (struct loop): Changed type of estimated_nb_iterations to double_int.
4681 Added estimate_state field.
4682 (record_estimate): Declaration removed.
4684 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4686 * params.c (set_param_value): Initialize the "set" field.
4687 * params.h (struct param_info): Add "set" field.
4688 (PARAM_SET_P): New macro.
4689 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
4690 L1_CACHE_LINE_SIZE): New macros.
4691 * toplev.c (DEFPARAM): Initialize the "set" field.
4692 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
4693 SIMULTANEOUS_PREFETCHES): Removed.
4694 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
4695 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
4696 * config/sparc/sparc.c: Include params.h.
4697 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
4698 L1_CACHE_LINE_SIZE parameters.
4699 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4701 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4703 * config/i386/i386.c: Include params.h.
4704 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
4705 (override_options): Set SIMULTANEOUS_PREFETCHES and
4706 L1_CACHE_LINE_SIZE parameters.
4707 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
4708 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
4709 L1_CACHE_LINE_SIZE parameters.
4710 * config/ia64/ia64.c (ia64_optimization_options): Set
4711 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
4712 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
4714 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
4715 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
4716 * doc/invoke.texi: Document new params.
4718 2006-11-12 Roger Sayle <roger@eyesopen.com>
4720 PR tree-optimization/13827
4721 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
4724 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4726 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
4727 update_single_exit_for_duplicated_loops): New functions.
4728 (duplicate_loop_to_header_edge): Use
4729 update_single_exit_for_duplicated_loops.
4730 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
4731 functions only with ENABLE_CHECKING.
4733 2006-11-12 Andreas Schwab <schwab@suse.de>
4735 * except.c (sjlj_emit_function_enter): Remove unused variable.
4737 2006-11-11 Roger Sayle <roger@eyesopen.com>
4739 * fold-const.c (int_binop_types_match_p): New function.
4740 (size_binop): Relax constraint that both arguments must both have
4741 exactly the same sizetype type. Instead use int_binop_types_match_p.
4742 (size_diffop): Likewise.
4744 (make_range): Use build_int_cst instead of fold_convert.
4745 (fold_cond_expr_with_comparison): Use build_int_cst to construct
4746 integer constants of the correct type.
4747 (fold_div_compare): Likewise.
4748 (fold_single_bit_test): Likewise.
4749 (fold_binary): Likewise.
4750 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
4751 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
4753 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4756 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
4757 non null value if the struct memory access is in the 0th
4760 2006-11-12 Jie Zhang <jie.zhang@analog.com>
4763 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4764 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4767 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
4768 instead of builtin_define for bfin and BFIN.
4770 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4772 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4775 2006-11-11 Jan Hubicka <jh@suse.cz>
4777 * extend.texi (__builtin_expect): We no longer require second argument
4779 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
4780 * builtins.c (expand_builtin_expect): Simplify.
4781 (expand_builtin_expect_jump): Kill.
4782 * final.c (final_scan_insn): Do not skip the removed notes.
4783 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
4784 EXPECTED_VALUE): Remove.
4785 * dojump.c (do_jump): Do not care about __builtin_expect.
4786 * predict.c (expected_value_to_br_prob): Kill.
4787 * function.c (expand_function_end): Do not expand
4788 NOTE_INSN_REPEATED_LINE_NUMBER.
4789 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
4790 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
4791 * cfgexpand.c (add_reg_br_prob_note): Export.
4792 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4793 expected_value_to_br_prob.
4794 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
4795 * rtl.h (add_reg_br_prob_note): Declare.
4797 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4799 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
4801 2006-11-11 Jan Hubicka <jh@suse.cz>
4803 * predict.c (predict_loops): Kill RTL variant.
4805 2006-11-11 Jan Hubicka <jh@suse.cz>
4807 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
4808 * modulo-sched.c (find_line_note): Remove.
4809 (loop_canon_p): Do not worry about line number notes.
4810 (sms_schedule): Likewise.
4811 * cse.c (cse_main): Likewise.
4812 * regmove.c (fixup_match_1): Likewise
4813 * function.c (emit_return_info_block): Likewise.
4814 (expand_function_end): Likewise.
4815 (thread_prologue_an_epilogue_insns): Likewise.
4816 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
4818 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
4819 emit_note_copy_after): Kill.
4820 (emit_note_copy): Do not worry about line numbers.
4821 * jump.c (purge_line_number_notes): Kill.
4822 (pass_purge_lineno_notes): Kill.
4823 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
4825 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
4826 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
4827 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
4828 * tree-pass.h (pass_purge_lineno_notes): Kill.
4829 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
4830 rm_redundant_line_notes.
4831 * sched-rgb.c (schedule_region): Don't rm_line_notes,
4832 rm_redundant_line_notes.
4833 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
4834 * haifa-sched.c: Update comment about handling notes.
4835 (unlink_line_notes): Kill.
4836 (rm_line_notes): Kill.
4837 (save_line_notes): Simplify.
4838 (rm_redundant_line_notes): Kill.
4840 2006-11-11 Richard Guenther <rguenther@suse.de>
4842 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
4843 Remove unused tree codes.
4844 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
4845 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
4846 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4847 * tree.c (stabilize_reference): Likewise.
4848 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
4849 fold_unary): Likewise.
4850 * tree-gimple.c (is_gimple_cast): Likewise.
4851 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
4852 * expr.c (expand_expr_real_1): Likewise.
4853 * tree-eh.c (tree_could_trap_p): Likewise.
4854 * gimplify.c (gimplify_expr): Likewise.
4855 * tree-inline.c (estimate_num_insns_1): Likewise.
4856 * tree-cfg.c (verify_expr): Likewise.
4858 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
4860 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
4861 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
4862 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
4864 2006-11-11 Richard Sandiford <richard@codesourcery.com>
4867 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
4868 constraints accept neither registers or memories.
4870 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4872 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
4873 (NO_PROFILE_COUNTERS): Define as 1.
4875 2006-11-10 Roger Sayle <roger@eyesopen.com>
4877 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
4878 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
4880 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
4882 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
4884 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4886 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
4887 (fold_builtin_hypot): Likewise.
4888 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
4890 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
4892 2006-11-10 Roger Sayle <roger@eyesopen.com>
4894 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
4895 when attempting to build INTEGER_CSTs of non-integral types.
4896 * expmed.c (make_tree): Use the correct type, i.e. the inner
4897 type, when constructing the individual elements of a CONST_VECTOR.
4899 2006-11-10 Jan Hubicka <jh@suse.cz>
4901 * cse.c (cse_process_notes): Copy the propagated value.
4902 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
4904 * gcse.c (try_replace_reg): Copy the replacement.
4905 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
4906 (assign_386_stack_local): Always return copied memory expression
4907 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
4910 2006-11-10 Jan Hubicka <jh@suse.cz>
4912 * final.c (final): Walk from first instruction.
4913 * cfglayout.c (insn_locators_initialize): Remove line number notes.
4915 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
4918 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
4920 (umulv8hi3_highpart): Ditto.
4921 (vec_widen_smult_hi_v8hi): New expander.
4922 (vec_widen_smult_lo_v8hi): Ditto.
4924 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4927 * builtins.c (do_mpfr_arg3): New.
4928 (fold_builtin_1): Handle builtins fma, fmin and fmax.
4930 2006-11-09 Eric Christopher <echristo@apple.com>
4935 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
4936 * config.gcc (powerpc64-*-darwin*): New target.
4937 * config.host: Ditto.
4938 * config/rs6000/darwin64.h: New file.
4939 * config/rs6000/x-darwin64: Ditto.
4940 * config/rs6000/host-ppc64-darwin.c: Ditto.
4942 2006-11-09 Steve Ellcey <sje@cup.hp.com>
4944 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
4945 routines for integer division.
4947 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
4949 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
4951 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4954 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
4956 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4958 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
4959 simplify_subreg with BLKmode outer mode.
4961 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
4963 * doc/invoke.texi: Minor formatting fixes in option lists.
4965 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
4967 PR tree-optimization/29738
4968 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
4969 (ccp_lattice_t): Remove UNKNOWN_VAL.
4970 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
4971 Do not handle UNKNOWN_VAL.
4972 (get_default_value): Set initial value of virtual operands to
4974 (get_value): Always use get_default_value on uninitialized
4976 (set_value_varying, surely_varying_stmt_p): New functions.
4977 (set_lattice_value): Do not pass argument to get_value.
4978 Do not handle UNKNOWN_VAL.
4979 (likely_value): Follow the semantics described in the comment.
4980 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
4981 phi nodes DONT_SIMULATE_AGAIN.
4982 (ccp_fold): Do not pass argument to get_value.
4983 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
4986 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4988 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4989 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
4991 2006-11-08 Roger Sayle <roger@eyesopen.com>
4993 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
4994 test for inclusion rather than as a test for exclusion.
4995 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
4996 the condition after calling fold_binary.
4997 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
4998 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
4999 * builtins.c (fold_builtin_isascii): Likewise.
5000 (fold_builtin_isdigit): Likewise.
5002 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
5004 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5005 * configure: Regenerate.
5007 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5009 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5010 enum argument instead of bool.
5011 (vect_analyze_operations): Call vectorizable_type_promotion.
5012 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5013 stmt_vec_info_type value.
5014 (supportable_widening_operation, vectorizable_type_promotion): New
5015 function declarations.
5016 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5017 (vectorizable_type_promotion): New function.
5018 (vect_transform_stmt): Call vectorizable_type_promotion.
5019 * tree-vect-analyze.c (supportable_widening_operation): New function.
5020 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5022 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5025 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5026 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5027 * tree-inline.c (estimate_num_insns_1): Add cases for above new
5029 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5030 * expr.c (expand_expr_real_1): Likewise.
5031 * optabs.c (optab_for_tree_code): Likewise.
5032 (init_optabs): Initialize new optabs.
5033 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5034 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5035 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5036 vec_unpacku_lo_optab): Initialize new optabs.
5037 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5038 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5039 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5041 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5042 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5043 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5044 (vec_unpacku_lo_optab): New optabs.
5045 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5046 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5047 (vec_widen_smult_hi, vec_widen_smult_lo): New.
5048 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5049 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5050 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5052 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5053 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5054 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5055 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5056 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5057 implement the unsigned unpacking patterns.
5058 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5059 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5060 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5061 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5062 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5063 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5064 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5065 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5066 multiplication patterns.
5068 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5069 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5070 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5071 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5072 (rs6000_builtin_mul_widen_odd): New.
5073 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5074 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5075 * tree-vectorizer.h (enum vect_relevant): New enum type.
5076 (_stmt_vec_info): Field relevant chaned from bool to enum
5078 (STMT_VINFO_RELEVANT_P): Updated.
5079 (STMT_VINFO_RELEVANT): New.
5080 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5081 instead of STMT_VINFO_RELEVANT_P.
5082 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5083 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5084 and boolean variable with enum vect_relevant.
5085 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5086 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5087 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5089 2006-11-08 Richard Henderson <rth@redhat.com>
5091 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
5092 vec_widen_umult_lo_v8hi): New.
5093 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
5094 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
5096 * config/i386/i386.c (ix86_expand_sse_unpack): New.
5097 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
5098 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
5099 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
5100 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
5101 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
5102 vec_unpacks_lo_v4si): New.
5104 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5106 * tree-vect-transform.c (vectorizable_type_demotion): New function.
5107 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
5108 (vect_analyze_operations): Call vectorizable_type_demotion.
5109 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
5110 stmt_vec_info_type value.
5111 (vectorizable_type_demotion): New function declaration.
5112 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5115 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
5116 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
5118 * tree-iniline.c (estimate_num_insns_1): Likewise.
5119 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5120 * optabs.c (optab_for_tree_code): Likewise.
5122 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
5123 compared against the predicate of the result is not 'mode' (the input
5124 to the function) but a mode with half the size of 'mode'.
5125 (init_optab): Initialize new optabs.
5126 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
5128 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
5130 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
5131 (vec_pack_usat_optab): Initialize new optabs.
5132 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
5133 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
5135 2006-11-08 Richard Henderson <rth@redehat.com>
5137 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
5138 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
5139 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
5140 (vec_interleave_highv4si, vec_interleave_lowv4si):
5141 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
5143 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5145 * tree-vect-transform.c (vectorizable_reduction): Support multiple
5147 (vect_transform_stmt): Removed redundant code.
5149 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5151 * tree-vect-transform.c (vectorizable_operation): Support multiple
5154 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5156 * tree-vect-transform.c (vect_align_data_ref): Removed.
5157 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
5158 Updated function documentation. Return the increment stmt in ptr_incr.
5159 (bump_vector_ptr): New function.
5160 (vect_get_vec_def_for_stmt_copy): New function.
5161 (vect_finish_stmt_generation): Create a stmt_info to newly created
5163 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
5165 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
5166 VF is greater than the number of elements that can fit in one vector
5168 (vectorizable_operation, vectorizable_condition): Likewise.
5169 (vectorizable_store, vectorizable_load): Support the case that the VF
5170 is greater than the number of elements that can fit in one vector word.
5171 (vect_transform_loop): Don't fail in case of multiple data-types.
5172 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
5173 in case of multiple data-types; the smallest type determines the VF.
5174 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
5175 if they are of different sizes.
5176 (vect_update_misalignment_for_peel): Compare misalignments in terms of
5177 number of elements rather than number of bytes.
5178 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
5179 (vect_can_advance_ivs_p): Fix a dump printout
5181 2006-11-07 Eric Christopher <echristo@apple.com>
5183 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
5184 (__bswapsi2): Ditto.
5185 * libgcc2.h: Remove transformation of bswap routines.
5186 * config/i386/i386.md (bswapsi2): New.
5189 2006-11-07 Jakub Jelinek <jakub@redhat.com>
5191 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
5192 (handle_gnu_inline_attribute): New function.
5193 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
5194 (merge_decls, start_decl, start_function): Likewise.
5195 * doc/extend.texi: Document gnu_inline attribute.
5197 2006-11-07 Steve Ellcey <sje@cup.hp.com>
5200 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
5201 _fixunstfdi, and _floatditf
5203 2006-11-06 Anatoly Sokolov <aesok@post.ru>
5205 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
5207 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
5208 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
5209 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
5210 which start in an odd register.
5212 2006-11-07 Richard Sandiford <richard@codesourcery.com>
5214 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
5216 2006-11-07 Josh Conner <jconner@apple.com>
5218 * doc/invoke.texi (fstrict-aliasing): Move implementation
5220 * doc/tree-ssa.texi (Alias analysis): ...here.
5222 2006-11-07 Richard Guenther <rguenther@suse.de>
5224 PR tree-optimization/29610
5225 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
5226 of tree_purge_dead_eh_edges as it may free dominators.
5228 * g++.dg/other/pr29610.C: New testcase.
5230 2006-11-07 David Ung <davidu@mips.com>
5232 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
5233 costs when optimizing for size.
5234 (override_options): Use mips_rtx_cost_optimize_size table for cost
5237 2006-11-07 Jie Zhang <jie.zhang@analog.com>
5239 * gcc.c (process_command): Treat -b as normal switch if its argument
5242 2006-11-07 David Ung <davidu@mips.com>
5244 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5247 2006-11-06 Eric Christopher <echristo@apple.com>
5249 * config.gcc: Add x86_64-darwin host support.
5250 * config.host: Ditto.
5251 * config/i386/darwin64.h: New file.
5252 * config/i386/t-darwin64: Ditto.
5254 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5256 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5257 and output-exists-not.
5259 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5262 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5263 checking for overflow.
5265 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5267 * configure.ac: Fixed typo in case statement: :: changed to ;;
5269 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5271 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5272 count_leading_zeros, and count_trailing_zeros.
5273 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5274 (TARGET_FOLD_BUILTIN): Define.
5275 (TARGET_EXPAND_BUILTIN): Define.
5276 (xtensa_init_builtins): New.
5277 (xtensa_fold_builtin): New.
5278 (xtensa_expand_builtin): New.
5279 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5280 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5281 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5282 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5283 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5284 (any_extend): New code macro.
5285 (u, su): New code attributes.
5286 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5287 (nsau): Remove; replaced by clzsi2.
5288 (ffssi2): Use clzsi2.
5289 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5290 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5291 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5292 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5293 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5295 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5297 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5299 * config/arm/t-strongarm-elf: Likewise.
5300 * config/arm/t-pe: Likewise.
5301 * config/arm/t-arm-elf: Likewise.
5302 * config/arm/t-xscale-elf: Likewise.
5303 * config/arm/t-arm-coff: Likewise.
5304 * config/arm/t-xscale-coff: Likewise.
5305 * config/arm/t-wince-pe: Likewise.
5307 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5309 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5312 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5315 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5318 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5321 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5322 as a valid 80387 constant.
5323 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5324 * config/i386/i386.md (unnamed splitter): Split the load of
5325 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5328 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5330 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5331 from the soft-frame, argument and virtual registers.
5333 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5335 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5336 patterns for standard 80387 constants.
5338 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5339 Steven Bosscher <steven@gcc.gnu.org>
5341 * fwprop.c: New file.
5342 * Makefile.in: Add fwprop.o.
5343 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5344 * passes.c (init_optimization_passes): Schedule forward propagation.
5345 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5347 * timevar.def (TV_FWPROP): New.
5348 * common.opt (-fforward-propagate): New.
5349 * opts.c (decode_options): Enable forward propagation at -O2.
5350 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5351 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5352 canon_for_address, table_size): Remove.
5353 (new_basic_block, insert, remove_from_table): Remove references to
5355 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5356 simplification loop more straightforward by not calling fold_rtx
5358 (equiv_constant): Move here a small part of fold_rtx_subreg,
5359 do not call fold_rtx. Call avoid_constant_pool_reference
5361 * recog.h (canonicalize_change_group): New.
5363 * doc/invoke.texi (Optimization Options): Document fwprop.
5364 * doc/passes.texi (RTL passes): Document fwprop.
5366 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5368 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5369 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5370 (grokdeclarator): Likewise.
5372 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5374 * tree-dump.c (dump_enable_all): Rename local variable
5375 ir_type to avoid name conflicts.
5376 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5377 instead of using ir_type().
5378 * profile.c (tree_register_profile_hooks): Likewise.
5379 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5380 * basic-block.h (struct edge_def): Likewise.
5381 * config/arm/arm.c (legitimize_pic_address): Likewise.
5382 * coretypes.h (ir_type): New enum of all intermediate languages
5384 * cfghooks.c (ir_type): Rename to...
5385 (current_ir_type): ...this. Distinguish between cfgrtl and
5386 cfglayout mode when the current IR is RTL. Return enum ir_type.
5387 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5389 2006-11-03 Paul Brook <paul@codesourcery.com>
5391 * config/arm/arm.c (arm_file_start): New function.
5392 (TARGET_ASM_FILE_START): Define.
5393 (arm_default_cpu): New variable.
5394 (arm_override_options): Set arm_default_cpu.
5396 2006-11-03 David Ung <davidu@mips.com>
5398 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5399 PROCESSOR_24KC and PROCESSOR_24KF.
5400 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5401 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5402 (mips_rtx_cost_data): Add costs for the 24kc.
5403 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5404 * config/mips/24k.md: Remove references to 24k and replace with
5405 uses of 24kc/24kf in the appropriate reservations.
5406 * doc/invoke.texi (MIPS Options): Updated.
5408 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5410 * config/sh/crt1.asm: Fix #ifdef indent.
5412 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5413 Merged from STMicroelectronics sources:
5414 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5415 * config/sh/crt1.asm (vbr_600): Add missing #if.
5416 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5417 * sh.opt (mfused-madd): New option.
5418 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5419 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5420 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5421 Remove pointless handler at VBR+0.
5422 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5423 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5424 fr7. Make sure the timer handler is called with the correct FPU
5425 precision setting, according to the ABI.
5426 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5427 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5428 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5429 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5430 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5431 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5432 zero as second operand.
5433 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5434 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5435 Fixed some bugs related to negative values, in particular -0
5436 and overflow at -0x80000000.
5437 * config/sh/divcost-analysis: Added sh4-300 figures.
5438 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5439 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5440 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5441 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5442 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5443 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5445 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5447 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5448 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5449 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5450 mac_mem, mem_mac, dfp_mul, fp_cmp.
5451 (insn_class, dfp_comp, any_fp_comp): Update.
5452 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
5453 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
5454 (muldf3_i): Likewise.
5455 (movsi_i): Split rI08 alternative into two separate alternatives.
5457 (movsi_ie, movsi_i_lowpart): Likewise.
5458 (movqi_i): Split ri alternative into two separate alternatives.
5460 * sh1.md (sh1_load_store, sh1_fp): Update.
5461 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
5462 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
5463 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
5464 (sh4a_fp_double_arith): Likewise.
5465 * sh4-300.md: New file.
5466 * sh.c (sh_handle_option): Handle m4-300* options.
5467 (sh_adjust_cost): Fix latency of auto-increments.
5468 Handle SH4-300 differently than other SH4s. Check for new insn types.
5469 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
5470 been set by an option.
5471 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
5472 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
5473 (mbranch-cost=): Likewise.
5474 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
5476 * sh.md (mulsf3): Remove special expansion code.
5477 (mulsf3_ie): Now a define_insn_and_split.
5478 (macsf3): Allow for TARGET_SH4.
5480 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
5481 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
5482 (expand_cbranchdi4): Likewise.
5483 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
5484 CONST_DOUBLE if the outer code is COMPARE.
5485 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
5486 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
5487 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
5488 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
5489 Remove redundant fp_{zero,one}_operand checks.
5490 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
5491 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
5492 (expand_cbranchdi4): Likewise.
5493 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
5494 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
5496 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5498 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
5501 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
5503 * doc/invoke.texi: Fix mfp-trap-mode typo.
5505 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
5507 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
5508 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
5509 file_end_indicate_exec_stack.
5510 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
5512 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
5513 for a non-executable stack.
5514 * crti.asm: Likewise.
5515 * crtn.asm: Likewise.
5516 * libunwind.S: Likewise.
5518 2006-11-02 Ben Elliston <bje@au.ibm.com>
5520 * tree-ssa.c (warn_uninit): Use expand_location variables for
5521 locus and declaration locus.
5523 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
5526 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
5527 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
5528 cmp{eq,gt,gtu}{si,di}_media.
5529 (*cmpne0si_media): Remove.
5530 (*movsicc_umin): Adjust gen_cmp*_media call.
5531 (unordered): Change the mode of unordered and operands[1] to
5533 (seq): Adjust gen_cmp*_media calls. Make the mode of
5534 a temporary result of compare SImode if needed. If the mode
5535 of operands[0] is DImode, extend the temporary result to DImode.
5536 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
5537 (sunorderd): Change the mode of match_operand and unorderd to
5539 (cmpeq{sf,df}_media): Remove.
5540 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
5541 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
5542 and compare operation to SImode.
5544 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
5546 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
5548 (sparc64-sun-solaris2*): Likewise.
5550 2006-11-02 Paul Brook <paul@codesourcery.com>
5552 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
5553 from priority argument. Use different section for non-default
5555 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
5557 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
5560 * except.c (switch_to_exception_section): Do not cache the section
5561 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5562 and flag_function_sections is set.
5564 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5567 * builtins.c (do_mpfr_sincos): New.
5568 (fold_builtin_1): Use it to fold builtin sincos.
5570 2006-11-01 Roger Sayle <roger@eyesopen.com>
5572 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
5573 it into -D_REENTRANT.
5575 2006-11-01 Roger Sayle <roger@eyesopen.com>
5577 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
5578 whether the assembler supports taking the difference of symbols in
5579 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
5580 * configure: Regenerate.
5581 * config.in: Regenerate.
5582 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
5583 the assembler doesn't support taking the difference of symbols in
5584 different sections, i.e. we're using the native solaris assembler.
5586 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
5587 Peter Bergner <bergner@vnet.ibm.com>
5589 * doc/invoke.texi: Add cpu_type power6x
5590 (RS/6000 and PowerPC Options): Add -mmfpgpr.
5591 * config.gcc: Add cpu_type power6x.
5592 * configure.ac: Add test for mf{t,f}gpr instructions.
5593 (HAVE_AS_MFPGPR): New.
5594 * config.in: Regenerate.
5595 * configure: Regenerate.
5596 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
5597 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
5598 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
5599 and mftgpr attributes.
5600 (define_attr "cpu"): Add power6.
5601 Change instruction sequences to use new attributes.
5602 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
5603 (fix_truncdfsi2_mfpgpr): New.
5604 (floatsidf_ppc64_mfpgpr): New.
5605 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
5606 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
5607 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
5608 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
5609 (fix_truncdfsi2): Use gpc_reg_operand constraint.
5610 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
5611 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
5612 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
5613 cntlz,exts and var_delayed_compare.
5614 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5615 _ARCH_PWR6X, if features enabled.
5616 * config/rs6000/rs6000.opt (mmfpgpr): New.
5617 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
5618 (cached_can_issue_more): New variable.
5619 (processor_costs): Add power6_cost.
5620 (rs6000_sched_init): New function.
5621 (is_dispatch_slot_restricted): Deleted.
5622 (set_to_load_agen): New function.
5623 (is_load_insn,is_store_insn): New functions.
5624 (adjacent_mem_locations): New function.
5625 (insn_must_be_first_in_group): New function.
5626 (insn_must_be_last_in_group): New function.
5627 (rs6000_sched_reorder): New function.
5628 (rs6000_sched_reorder2): New function.
5629 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
5630 TARGET_SCHED_REORDER2): Define.
5631 (processor_target_table): Use PROCESSOR_POWER6 for power6.
5632 Add power6x. Add MASK_MFPGPR for power6x.
5633 (POWERPC_MASKS): Add MASK_MFPGPR.
5634 (rs6000_override_options): Set rs6000_always_hint to false
5635 for power6. Set rs6000_align_branch_targets. Replace
5636 rs6000_sched_groups check with rs6000_align_branch_targets.
5637 Use PROCESSOR_POWER6.
5638 (last_scheduled_insn): New variable.
5639 (load_store_pendulum): New variable.
5640 (rs6000_variable_issue): Set last_scheduled_insn and
5641 cached_can_issue_more.
5642 (rs6000_adjust_cost): Add power6 cost adjustments.
5643 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
5644 with insn_must_be_first_in_group. Add power6 priority adjustments.
5645 (rs6000_issue_rate): Add CPU_POWER6.
5646 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
5647 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
5648 (TARGET_MFPGPR): New.
5649 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
5650 (ASM_CPU_SPEC): Add power6x.
5651 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
5653 * config/rs6000/power6.md: New file.
5655 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
5657 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5658 HOST_WIDE_INT_PRINT to print high and low parts. Use
5659 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
5660 printing a hexadecimal number prefix it with 0x.
5662 2006-11-01 Chris Johns <chris@contemporary.net.au>
5665 * Makefile.in (install-driver): Use exeext when installing
5666 $target-gcc-$version.
5668 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
5670 * c-common.c (flag_cpp0x): New.
5671 * c-common.h (flag_cpp0x): New.
5672 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
5673 supported, define __GXX_EXPERIMENTAL_CPP0X__.
5674 * c-opts.c (set_std_cxx0x): New.
5675 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
5676 * c.opt (std=c++0x): Document.
5677 (std=gnu++0x): Ditto.
5678 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
5679 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
5681 2006-11-01 Richard Guenther <rguenther@suse.de>
5683 * config/i386/i386.c (ix86_expand_rint): Fix issues with
5685 (ix86_expand_floorceildf_32): Likewise.
5686 (ix86_expand_floorceil): Likewise.
5687 (ix86_expand_trunc): Likewise.
5689 2006-10-31 Andrew Pinski <pinskia@gmail.com>
5691 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
5694 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
5696 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
5698 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
5700 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
5702 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
5703 * configure.ac (use_cxa_atexit): As a special case, don't test
5704 for libc definition of __cxa_atexit on mingw32
5705 * configure: Regenerate.
5706 * config.gcc (i[34567]86-pc-mingw32): Default to
5707 enable__cxa_atexit=yes.
5709 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5711 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
5713 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5716 * c-decl.c (start_struct): Don't create self-containing
5718 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
5720 * config/rs6000/rs6000-protos.h
5721 (darwin_rs6000_special_round_type_align): New.
5722 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
5723 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
5725 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5727 * toplev.c (compile_file): Call final_write_globals
5728 even if there have been errors.
5730 2006-10-31 Eric Christopher <echristo@apple.com>
5731 Falk Hueffner <falk@debian.org>
5733 * doc/extend.texi (__builtin_bswap32): Document.
5734 (__builtin_bswap64): Ditto.
5735 * doc/libgcc.texi (bswapsi2): Document.
5737 * doc/rtl.texi (bswap): Document.
5738 * optabs.c (expand_unop): Don't widen a bswap.
5739 (init_optabs): Init bswap. Set libfuncs explicitly
5740 for bswapsi2 and bswapdi2.
5741 * optabs.h (OTI_bswap): New.
5742 (bswap_optab): Ditto.
5743 * genopinit.c (optabs): Handle bswap_optab.
5744 * tree.h (tree_index): Add TI_UINT32_TYPE and
5746 (uint32_type_node): New.
5747 (uint64_type_node): Ditto.
5748 * tree.c (build_common_tree_nodes_2): Initialize
5749 uint32_type_node and uint64_type_node.
5750 * builtins.c (expand_builtin_bswap): New.
5751 (expand_builtin): Call.
5752 (fold_builtin_bswap): New.
5753 (fold_builtin_1): Call.
5754 * fold-const.c (tree_expr_nonnegative_p): Return true
5756 * builtin-types.def (BT_UINT32): New.
5758 (BT_FN_UINT32_UINT32): Ditto.
5759 (BT_FN_UINT64_UINT64): Ditto.
5760 * builtins.def (BUILT_IN_BSWAP32): New.
5761 (BUILT_IN_BSWAP64): Ditto.
5762 * rtl.def (BSWAP): New.
5763 * genattrtab.c (check_attr_value): New.
5764 * libgcc2.c (__bswapSI2): New.
5765 (__bswapDI2): Ditto.
5766 * libgcc2.h (__bswapSI2): Declare.
5767 (__bswapDI2): Ditto.
5768 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
5769 * simplify-rtx.c (simplify_const_unary_operation): Return
5771 * libgcc-std.ver (__bwapsi2): Add.
5772 (__bswapdi2): Ditto.
5773 * reload1.c (eliminate_regs_1): Add bswap.
5774 (elimination_effects): Ditto.
5775 * config/i386/i386.h (x86_bswap): New.
5776 (TARGET_BSWAP): Use.
5777 * config/i386/i386.c (x86_bswap): Set.
5779 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5781 * coverage.c (coverage_checksum_string): Update comment.
5782 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
5783 of get_file_function_name.
5784 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
5785 of get_file_function_name_long.
5786 * tree.c (get_file_function_name): Rename from
5787 get_file_function_name_long; improve comment; handle 'I' and 'D'
5788 specially when the target has ctor/dtor support; remove special
5790 (get_file_function_name): Remove.
5791 * tree.h (get_file_function_name): Rename from
5792 get_file_function_name_long.
5793 (get_file_function_name): Remove prototype.
5795 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5797 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
5798 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
5800 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
5801 Call dsymutil when compiling and linking one or more source files
5804 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5807 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
5809 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5811 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
5812 inline static functions in c99 mode.
5815 * doc/extend.texi (Inline): Update.
5816 * c-tree.h (struct language_function): Remove field 'extern_inline'.
5817 * c-decl.c (current_extern_inline): Delete.
5818 (pop_scope): Adjust test for an undefined nested function.
5819 Add warning about undeclared inline function.
5820 (diagnose_mismatched_decls): Update comments. Disallow overriding
5821 of inline functions in a translation unit in C99. Allow inline
5822 declarations in C99 at any time.
5823 (merge_decls): Boolize variables. Handle C99 'extern inline'
5825 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
5826 C99 inline semantics.
5827 (start_function): Don't clear current_extern_inline. Don't set
5829 (c_push_function_context): Don't push current_extern_inline.
5830 (c_pop_function_context): Don't restore current_extern_inline.
5833 * c-typeck.c (build_external_ref): Warn about static variables
5834 used in extern inline functions.
5835 * c-decl.c (start_decl): Warn about static variables declared
5836 in extern inline functions.
5838 2006-10-31 Roger Sayle <roger@eyesopen.com>
5841 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
5842 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
5843 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
5844 or y is an even integer.
5846 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
5849 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
5850 * gthr-posix95.h (__gthread_active_p): Likewise.
5852 2006-10-31 Richard Guenther <rguenther@suse.de>
5854 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
5855 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
5856 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
5857 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
5858 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
5859 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
5860 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
5861 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
5864 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
5866 * opts.c (decode_options): Disable CSE skip blocks.
5868 2006-10-30 Dirk Mueller <dmueller@suse.de>
5870 * c-common.h (strict_aliasing_warning): Fix whitespace.
5871 * c-decl (start_function): Move code for main decl warning ..
5872 * c-common.c (check_main_parameter_types): .. here.
5873 * c-common.h (check_main_parameter_types): Declare.
5875 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5878 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
5880 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
5882 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
5883 be a PARALLEL containing sets. Return false when out_pat is not
5886 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5888 * config/mips/mips.md (mul<mode>3): Split into...
5889 (mulsi3, muldi3): ...these separate patterns.
5891 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5893 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
5894 but with each set of options separated by spaces.
5896 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
5898 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
5899 dwarf_reg_size_table has been initialized.
5901 2006-10-30 Roger Sayle <roger@eyesopen.com>
5903 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
5904 * ddg.c (print_ddg_edge): Likewise.
5905 * dwarf2out.c (prune_unused_types_walk): Likewise.
5906 * ifcvt.c (noce_try_cmove_arith): Likewise.
5907 * langhooks.c (add_builtin_function): Likewise.
5908 * reg-stack.c (subst_stack_regs_pat): Likewise.
5909 * tree.c (expanded_location): Likewise.
5910 * tree-dump.c (dequeue_and_dump): Likewise.
5912 2006-10-30 David Daney <ddaney@avtrex.com>
5914 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
5916 2006-10-30 Jakub Jelinek <jakub@redhat.com>
5918 PR tree-optimization/29637
5919 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
5920 of the innertype is the innertype itself.
5922 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
5924 * dwarf2out.c (file_name_acquire): Correct typo.
5926 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
5928 * tree.h (tree_value_handle): Remove struct value_set declaration.
5929 Change value_set to bitmap_set.
5930 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
5931 * tree-vn.c (get_value_handle): Made inline and moved to
5933 * tree-flow-inline.h: (has_stmt_ann): New function.
5934 * tree-ssa-pre.c (expressions): New variable.
5935 (next_expression_id): Ditto.
5936 (alloc_expression_id): New function.
5937 (struct value_set): Remove.
5938 (get_expression_id): New function.
5939 (get_or_alloc_expression_id): Ditto.
5940 (expression_for_id): Ditto.
5941 (clear_expression_ids): Ditto.
5942 (FOR_EACH_EXPR_ID_IN_SET): New macro.
5943 (bb_value_sets): Renamed to bb_bitmap_sets.
5944 All value sets replaced with bitmap_sets.
5946 (BB_VISITED): New macro.
5947 (postorder): New variable.
5948 (add_to_value): Removed.
5949 (value_exists_in_set_bitmap): Ditto.
5950 (value_insert_into_set_bitmap): Ditto.
5953 (set_remove): Ditto.
5954 (set_contains_value): Ditto.
5955 (insert_into_set): Ditto.
5957 (find_leader): Ditto.
5958 (bitmap_set_subtract_from_value_set): Ditto.
5959 (value_insert_into_set): Ditto.
5960 (print_value_set): Ditto.
5961 (debug_value_set): Ditto.
5962 (constant_expr_p): New function.
5963 (bitmap_remove_from_set): Ditto.
5964 (bitmap_insert_into_set): Ditto.
5965 (bitmap_set_free): Ditto.
5966 (vh_compare): Ditto.
5967 (sorted_array_from_bitmap_set): Ditto.
5968 (bitmap_set_subtract): Ditto.
5969 (bitmap_set_equal): Ditto.
5970 (debug_bitmap_set): Ditto.
5971 (find_leader_in_sets): Ditto.
5972 (bitmap_set_replace_value): Modify for bitmapped sets.
5973 (phi_translate): Ditto.
5974 (phi_translate_set): Ditto.
5975 (bitmap_find_leader): Ditto.
5976 (valid_in_sets): Ditto.
5977 (union_contains_value): Ditto.
5979 (compute_antic_aux): Ditto. Mark changed blocks.
5980 (compute_antic): Ditto. Iterate in postorder and only over
5982 (compute_rvuse_and_antic_safe): Reuse postorder.
5983 (create_component_ref_by_pieces): Modify for bitmapped sets.
5984 (find_or_generate_expression): Ditto.
5985 (create_expression_by_pieces): Ditto.
5986 (insert_into_preds_of_block): Ditto.
5987 (changed_blocks): New variable.
5988 (do_regular_insertion): Broken out from insert_aux.
5989 (insert_aux): Modified for bitmapped sets.
5990 (find_existing_value_expr): New function.
5991 (create_value_expr_from): Use it.
5992 (insert_extra_phis): Removed.
5993 (print_bitmap_set): Renamed from bitmap_print_value_set.
5994 (compute_avail): Handle RETURN_EXPR.
5995 (init_pre): Modify for bitmapped sets.
5996 * tree-flow.h (has_stmt_ann): New function.
5998 2006-10-29 Roger Sayle <roger@eyesopen.com>
6000 * builtins.c (fold_builtin_floor): Check for the availability of
6001 the C99 trunc function before transforming floor into trunc.
6003 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6005 * builtins.c (fold_builtin_hypot): Rearrange recursive
6006 transformation before others, and also do ABS_EXPR. When
6007 necessary, check flag_unsafe_math_optimizations. When necessary,
6010 2006-10-29 Roger Sayle <roger@eyesopen.com>
6012 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6013 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6014 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6015 Fold -X eq/ne -Y as X eq/ne Y.
6017 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6019 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6020 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
6021 rather than GENERATE_MULT3_SI in the various define_peephole2s.
6022 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6023 Use an inclusive test for "mult" rather than "mul".
6024 (rotr<mode>3): Depend on ISA_HAS_ROR.
6025 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6027 (GENERATE_MULT3_DI): Delete.
6028 (ISA_HAS_64BIT_REGS): Use consistent formatting.
6029 (ISA_HAS_MUL3): New macro.
6030 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6031 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6032 (ISA_HAS_CLZ_CLO): Likewise.
6033 (ISA_HAS_DCLZ_DCLO): Delete.
6034 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6035 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6036 the VR4120 and VR4130.
6037 (ISA_HAS_MACCHI): Use consistent formatting.
6038 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6039 (ISA_HAS_ROR): ...this new macro.
6040 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6041 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6042 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6044 2006-10-29 Roger Sayle <roger@eyesopen.com>
6046 PR tree-optimization/15458
6047 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6050 2006-10-29 Richard Guenther <rguenther@suse.de>
6052 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6053 (ix86_expand_truncdf_32): Likewise.
6054 * config/i386/i386.c (ix86_expand_trunc): New function expanding
6055 trunc inline for SSE math and -fno-trapping-math and if not
6056 optimizing for size.
6057 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6058 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6059 for expanding btrunc inline for SSE math.
6061 2006-10-29 Joseph Myers <joseph@codesourcery.com>
6063 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6064 Handle tuning for bi-arch i[34567]86-*-linux* like that for
6065 i[34567]86-*-solaris2.1[0-9]*.
6066 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6067 Define conditionally depending on TARGET_64BIT_DEFAULT.
6068 (SPEC_32, SPEC_64): Define.
6069 (LINK_SPEC): Use them.
6070 * doc/install.texi (--enable-targets=all): Document for x86-linux.
6072 2006-10-29 Richard Guenther <rguenther@suse.de>
6074 * config/i386/i386-protos.h (ix86_expand_round): Declare.
6075 (ix86_expand_rounddf_32): Likewise.
6076 * config/i386/i386.c (ix86_expand_round): New function expanding
6077 round inline for SSE math and -fno-trapping-math and if not
6078 optimizing for size.
6079 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6080 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6081 round via ix86_expand_round.
6083 2006-10-29 Richard Guenther <rguenther@suse.de>
6085 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6086 (ix86_expand_floorceildf_32): Likewise.
6087 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6088 static helper function.
6089 (ix86_expand_floorceil): Expander for floor and ceil to SSE
6091 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
6092 * config/i386/i386.md (floordf2): Adjust to enable floor
6093 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
6094 -fno-trapping-math is enabled and if not optimizing for size.
6095 (floorsf2, ceildf2, ceilsf2): Likewise.
6096 * config/i386/sse.md (sse_maskcmpsf3): New insn.
6097 (sse2_maskcmpdf3): Likewise.
6099 2006-10-29 Richard Guenther <rguenther@suse.de>
6101 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
6102 rint in case -fno-trapping-math is enabled.
6103 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6104 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
6105 (ix86_expand_sse_fabs): Likewise.
6106 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
6107 * config/i386/i386.md (rintdf2): Enable for SSE math if
6108 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
6109 (rintsf2): Likewise.
6111 2006-10-29 Richard Guenther <rguenther@suse.de>
6113 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
6114 to conversion optabs.
6115 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
6116 as conversion optab.
6117 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
6118 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
6119 (lfloor_optab, lceil_optab): Adjust defines.
6120 * builtins.c (expand_builtin_int_roundingfn): Adjust for
6121 lfloor and lceil optabs now being conversion optabs.
6122 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
6123 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
6124 New static helper function.
6125 (ix86_expand_lfloorceil): New function to expand lfloor and
6127 * config/i386/i386.md (lfloor<mode>2): Split into ...
6128 (lfloorxf<mode>2): ... x87 variant
6129 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
6130 using ix86_expand_lfloorceil.
6131 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
6133 * doc/md.texi (lfloorMN, lceilMN): Document.
6135 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6137 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
6138 -mno-shared assembler option on mips targets.
6139 * configure, config.in: Regenerate.
6140 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
6141 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
6142 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
6144 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6146 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
6147 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6149 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
6151 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
6152 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
6155 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6158 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
6159 (fold_builtin_pow): Evaluate constant arguments at compile-time
6161 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
6162 (do_mpfr_ckconv): New helper function.
6163 (do_mpfr_arg1): Use do_mpfr_ckconv.
6164 (do_mpfr_arg2): New.
6166 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
6169 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
6170 (-fdump-rtl-sched): Rename to ..
6171 (-fdump-rtl-sched1): here. Also fix file extension number.
6173 2006-10-28 Richard Guenther <rguenther@suse.de>
6175 * fold-const.c (maybe_canonicalize_comparison): Fix code
6178 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6180 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
6181 (NON_QI_REG_P): Use IN_RANGE.
6182 (REX_INT_REGNO_P): Use IN_RANGE.
6183 (FP_REGNO_P): Use IN_RANGE.
6184 (SSE_REGNO_P): Use IN_RANGE.
6185 (REX_SSE_REGNO_P): Use IN_RANGE.
6186 (MMX_REGNO_P): Use IN_RANGE.
6187 (STACK_REGNO_P): New macro.
6188 (STACK_REG_P): Use STACK_REGNO_P.
6189 (NON_STACK_REG_P): Use STACK_REGNO_P.
6190 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
6191 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
6192 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
6193 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
6194 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
6196 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
6198 * except.h (output_function_exception_table): Add 'const char*' param.
6199 * except.c (switch_to_exception_section): Add 'const char*' param.
6200 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6201 and flag_function_sections is set, use a function-specific section.
6202 (output_function_exception_table): Add 'const char*' param.
6203 Adjust call to switch_to_exception_section.
6204 * final.c (rest_of_handle_final): Adjust calls to
6205 output_function_exception_table.
6206 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
6207 * config.in: Regenerate.
6208 * configure: Likewise.
6210 2006-10-28 Richard Guenther <rguenther@suse.de>
6213 * fold-const.c (maybe_canonicalize_comparison_1): Helper
6214 for maybe_canonicalize_comparison.
6215 (maybe_canonicalize_comparison): New function for canonicalizing
6217 (fold_comparison): Call it to canonicalize comparisons with
6220 2006-10-28 Richard Guenther <rguenther@suse.de>
6223 * builtins.c (expand_builtin_int_roundingfn_2): Expand
6224 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
6225 (expand_builtin): Adjust likewise.
6226 * genopinit.c (optabs[]): Add lround optab.
6227 * optabs.c (init_optabs): Initialize lround_optab.
6228 * optabs.h (enum convert_optab_index): Add COI_lround.
6229 (lround_optab): Define.
6230 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
6231 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
6233 (ix86_expand_lround): New function.
6234 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6236 * doc/md.texi (lroundMN2): Document.
6238 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6241 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6242 argument to HOST_WIDE_INT. Update function prototype.
6243 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6244 "size" argument to HOST_WIDE_INT. Update function prototype.
6246 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6248 * config/i386/i386.c (output_387_ffreep): Create output from a
6249 template string for !HAVE_AS_IX86_FFREEP.
6251 2006-10-27 Eric Christopher <echristo@apple.com>
6253 * config/darwin.c: Fix formatting and grammar.
6255 2006-10-27 Jan Hubicka <jh@suse.cz>
6257 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6258 to be thrown away soon when IGNORE is set.
6259 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6260 indicating when return value shall not be computed.
6261 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6263 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6265 * config/i386/i386.h (TARGET_GEODE):
6266 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6267 (TARGET_CPU_DEFAULT_geode): New macro.
6268 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6269 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6270 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6271 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6272 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6274 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6275 (processor_type): Add PROCESSOR_GEODE.
6277 * config/i386/i386.md: Include geode.md.
6280 * config/i386/i386.c (geode_cost): New initialized global
6282 (m_GEODE, m_K6_GEODE): New macros.
6283 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6284 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6285 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6286 x86_schedule): Use m_K6_GEODE instead of m_K6.
6287 (x86_movx, x86_cmove): Set up m_GEODE.
6288 (x86_integer_DFmode_moves): Clear m_GEODE.
6289 (processor_target_table): Add entry for geode.
6290 (processor_alias_table): Ditto.
6292 * config/i386/geode.md: New file.
6294 * doc/invoke.texi: Add entry about geode processor.
6296 2006-10-27 Mike Stump <mrs@apple.com>
6298 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6299 __DYNAMIC__ from here back to ...
6300 * config/darwin.h (CPP_SPEC): ... here.
6302 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6303 Nathan Sidwell <nathan@codesourcery.com>
6305 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6306 when choosing the minimum heapsize.
6308 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6310 * gcc/unwind-dw2.h: Move cfa-related variables into
6311 struct frame_state_reg_info to ensure that the CFA is properly
6312 handled when executing DW_CFA_{remember,restore}_state.
6313 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6314 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6315 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6316 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6317 gcc/config/rs6000/linux-unwind.h,
6318 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6319 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6320 Modify to use new cfa_* fields.
6322 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6324 * config/s390/s390.c (s390_init_frame_layout): Check positive
6327 2006-10-26 Ben Elliston <bje@au.ibm.com>
6329 * gimplify.c (get_name): Remove extraneous break.
6330 (gimplify_omp_for): Initialise ret with GS_OK.
6332 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6334 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6335 Add unix98.o to link line.
6337 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6340 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6341 Calculate compile-time constants using MPFR.
6342 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6343 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6345 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6347 * config/xtensa/lib2funcs.S: Use C-style comments.
6349 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6351 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6352 (file_table_relative_p): Likewise.
6353 (dwarf2out_finish): Likewise.
6354 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6356 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6358 * tree-ssa-structalias.c (intra_create_variable_infos):
6359 Don't recreate nonlocal_all if it already exists.
6361 2006-10-25 Richard Guenther <rguenther@suse.de>
6364 * optabs.h (enum optab_index): Remove OTI_lrint.
6365 (enum convert_optab_index): Add COI_lrint.
6366 (lrint_optab): Adjust.
6367 (expand_sfix_optab): Declare.
6368 * optabs.c (expand_sfix_optab): New function.
6369 (init_optabs): Init lrint_optab as conversion optab.
6370 * genopinit.c (lrint_optab): Change to a conversion optab.
6371 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6372 expansion via conversion optab.
6373 * config/i386/i386.md (*fistdi2_1): Remove
6374 flag_unsafe_math_optimizations guard.
6375 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6376 fist<mode>2_with_temp): Likewise.
6377 (lrint<mode>2): Split into...
6378 (lrintxf<mode>2): ... x87 part
6379 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6380 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6381 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6382 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6383 * doc/md.texi (lrintMN2): Document.
6385 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6388 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6389 Use inc and dec instructions for TARGET_USE_INCDEC.
6390 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6391 ("sync_double_compare_and_swap<mode>"): Likewise.
6392 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6393 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6394 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6395 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6396 ("sync_old_add<mode>"): Likewise.
6397 ("sync_lock_test_and_set<mode>"): Likewise.
6398 ("sync_lock_test_and_set<mode>"): Likewise.
6399 ("sync_add<mode>"): Likewise.
6400 ("sync_sub<mode>"): Likewise.
6401 ("sync_ior<mode>"): Likewise.
6402 ("sync_and<mode>"): Likewise.
6403 ("sync_xor<mode>"): Likewise.
6405 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6407 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6408 (remainder_optab): Define corresponding macro.
6409 (drem_optab): Remove.
6410 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6411 drem_optab initialization.
6412 * genopinit.c (optabs): Implement remainder_optab using
6413 remainder?f3 patterns. Remove drem_optab.
6414 * builtins.c (expand_builtin_mathfn_2): Handle
6415 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6416 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6417 expand_builtin_mathfn_2.
6419 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6420 depend on flag_unsafe_math_optimizations.
6422 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6423 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6424 Do not depend on flag_unsafe_math_optimizations. Use
6425 truncxf?f expander instead of truncxf?f_i387_noop.
6427 ("fpremxf4", "fprem1xf4"): Do not depend on
6428 flag_unsafe_math_optimizations.
6429 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6430 flag_unsafe_math_optimizations. Use truncxf?f expander
6431 instead of truncxf?f_i387_noop.
6433 * doc/md.texi (fmod, remainder): Document standard named pattern.
6435 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6436 David Daney <ddaney@avtrex.com>
6439 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6441 2006-10-25 Ben Elliston <bje@au.ibm.com>
6443 * doc/extend.texi (Variable Attributes): Typo fix.
6445 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6447 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6448 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6449 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6450 (FRAME_POINTER_REGNUM): Update register number to 21.
6451 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
6452 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
6454 * config/i386/i386.c (regclass_map): Add fpcr entry.
6455 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
6457 (print_reg): Assert REGNO (x) != FPCR_REG.
6459 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
6460 (DIRFLAG_REG): Renumber.
6461 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
6462 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
6463 (sse_prologue_save, *sse_prologue_save_insn): Renumber
6464 hardcoded SSE register numbers.
6466 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
6467 hardcoded MMX register numbers.
6469 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6472 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6473 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
6475 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
6476 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
6477 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
6478 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
6480 2006-10-24 Richard Guenther <rguenther@suse.de>
6483 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
6484 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
6485 for deciding optimizations in consistency with fold-const.c
6486 (fold_builtin_unordered_cmp): Likewise.
6488 2006-10-24 Richard Guenther <rguenther@suse.de>
6490 * builtins.c (fold_builtin_floor): Fold floor (x) where
6491 x is nonnegative to trunc (x).
6492 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
6493 nonnegative to FIX_TRUNC_EXPR.
6495 2006-10-24 Richard Guenther <rguenther@suse.de>
6497 PR tree-optimization/29567
6498 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
6499 for TRUTH_NOT_EXPR. Clarify comments.
6501 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6504 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
6505 at compile-time using MPFR. Change parameter VALUE to FUNC,
6507 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
6508 for overflow and underflow at all times and avoid folding in
6511 2006-10-24 Ben Elliston <bje@au.ibm.com>
6513 * reload1.c: Formatting fixes.
6515 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
6517 PR tree-optimization/14784
6518 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
6519 * tree-ssa-structalias.c (get_constraint_for,
6520 intra_create_variable_infos): Set is_heapvar.
6521 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
6522 non-heapvar pointer variables specially.
6524 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6527 * builtins.c (fold_builtin_sin, fold_builtin_cos,
6528 fold_builtin_tan): Fold all constant arguments. Take a "type"
6529 argument as necessary.
6530 (do_mpfr_arg1): New.
6531 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
6533 2006-10-23 Bob Wilson <bob.wilson@acm.org>
6535 * config/xtensa/lib1funcs.asm: Use C-style comments.
6537 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
6539 * tree.c (local_define_builtin): Replace calls to
6540 lang_hooks.builtin_function with add_builtin_function.
6541 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
6543 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
6545 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
6546 common code to add_builtin_function.
6547 * langhooks.c (add_builtin_function): New function.
6548 (lhd_builtin_function): New function.
6549 * langhooks.h (struct lang_hooks): Change the signature of
6551 (add_builtin_function): New function.
6552 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
6553 calls to lang_hooks.builtin_function with add_builtin_function.
6554 * c-common.c (decl_builtin_1): Replace calls to
6555 lang_hooks.builtin_function with add_builtin_function.
6556 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
6557 lang_hooks.builtin_function with add_builtin_function.
6558 * config/frv/frv.c (def_builtin): Replace calls to
6559 lang_hooks.builtin_function with add_builtin_function.
6560 * config/s390/s390.c (s390_init_builtins): Replace calls to
6561 lang_hooks.builtin_function with add_builtin_function.
6562 * config/sparc/sparc.c (def_builtin): Replace calls to
6563 lang_hooks.builtin_function with add_builtin_function.
6564 * config/i386/i386.c (def_builtin): Replace calls to
6565 lang_hooks.builtin_function with add_builtin_function.
6566 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
6567 lang_hooks.builtin_function with add_builtin_function.
6568 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
6569 lang_hooks.builtin_function with add_builtin_function.
6570 * config/stormy16/stormy16.c (xstormy16_init_builtins):
6571 Replace calls to lang_hooks.builtin_function with
6572 add_builtin_function.
6573 * config/iq2000/iq2000.c (def_builtin):
6574 Replace calls to lang_hooks.builtin_function with
6575 add_builtin_function.
6576 * config/ia64/ia64.c (def_builtin): Replace calls to
6577 lang_hooks.builtin_function with add_builtin_function.
6578 * config/rs6000/rs6000.c (def_builtin): Replace calls to
6579 lang_hooks.builtin_function with add_builtin_function.
6580 (altivec_init_builtins): Replace calls to
6581 lang_hooks.builtin_function with add_builtin_function.
6582 * config/arm/arm.c (def_mbuiltin): Replace calls to
6583 lang_hooks.builtin_function with add_builtin_function.
6584 (arm_init_tls_builtins): Replace calls to
6585 lang_hooks.builtin_function with add_builtin_function.
6586 * config/mips/mips.c (mips_init_builtins): Replace calls to
6587 lang_hooks.builtin_function with add_builtin_function.
6588 * config/bfin/bfin.c (def_builtin): Replace calls to
6589 lang_hooks.builtin_function with add_builtin_function.
6590 * langhooks-def.h (lhd_builtin_function): New function.
6591 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
6593 2006-10-23 Jakub Jelinek <jakub@redhat.com>
6595 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
6596 BUILT_IN_STRNCAT_CHK.
6598 2006-10-23 Jan Hubicka <jh@suse.cz>
6600 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
6601 don't do conversion from memmove to memcpy here.
6602 (expand_builtin_bcopy, expand_builtin): Update call of
6603 expand_builtin_memmove.
6604 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
6606 2006-10-23 Paul Brook <paul@codesourcery.com>
6608 * stor-layout.c (start_record_layout): maximum_field_alignment
6609 overrides STRUCTURE_SIZE_BOUNDARY.
6611 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
6613 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
6614 nonlocal function symbols if flag_pic.
6616 2006-10-23 Richard Guenther <rguenther@suse.de>
6620 * builtins.c (fold_binary): Remove checks for flag_wrapv
6621 and flag_trapv where negate_expr_p covers these cases.
6623 2006-10-23 Richard Guenther <rguenther@suse.de>
6626 * fold-const.c (fold_plusminus_mult_expr): Check exact power
6627 of two on the absolute value.
6628 (fold_binary): Fold x * -C to -x * C if x is easily negatable
6629 and negating -C does not overflow.
6631 2006-10-23 Richard Guenther <rguenther@suse.de>
6634 * convert.c (convert_to_real): Fold (float)-x to -(float)x
6635 only if not flag_rounding_math.
6637 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6638 Kaz Kojima <kkojima@gcc.gnu.org>
6641 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
6642 SImode memory reference for the source of a movua.
6643 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
6644 (movua): Use an unspec instead of sign_extract. Expect the source
6645 to have mode BLKmode.
6646 (extv, insv): Use a BLKmode rather than SImode memory reference
6647 for the source of a movua.
6649 2006-10-22 Jeff Law <law@redhat.com>
6650 Richard Guenther <rguenther@suse.de>
6652 PR tree-optimization/15911
6653 * tree-vrp.c (extract_code_and_val_from_cond): New function.
6654 (register_edge_assert_for_1): Likewise.
6655 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
6656 (find_conditional_asserts): Adjust for new function signature.
6657 (find_assert_locations): Likewise.
6659 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6661 * config/i386/tmmintrin.h: Remove the duplicated content.
6663 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6665 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
6666 (x86_64-*-*): Likewise.
6668 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
6669 (override_options): Check SSSE3.
6670 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
6671 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
6672 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
6673 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
6674 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
6675 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
6676 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
6677 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
6678 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
6679 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
6680 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
6681 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
6682 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
6683 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
6684 IX86_BUILTIN_PABSD128.
6685 (bdesc_2arg): Add SSSE3.
6686 (bdesc_1arg): Likewise.
6687 (ix86_init_mmx_sse_builtins): Support SSSE3.
6688 (ix86_expand_builtin): Likewise.
6689 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
6691 * config/i386/i386.md (UNSPEC_PSHUFB): New.
6692 (UNSPEC_PSIGN): Likewise.
6693 (UNSPEC_PALIGNR): Likewise.
6694 Include mmx.md before sse.md.
6696 * config/i386/i386.opt: Add -mssse3.
6698 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
6699 (ssse3_phaddwv4hi3): Likewise.
6700 (ssse3_phadddv4si3): Likewise.
6701 (ssse3_phadddv2si3): Likewise.
6702 (ssse3_phaddswv8hi3): Likewise.
6703 (ssse3_phaddswv4hi3): Likewise.
6704 (ssse3_phsubwv8hi3): Likewise.
6705 (ssse3_phsubwv4hi3): Likewise.
6706 (ssse3_phsubdv4si3): Likewise.
6707 (ssse3_phsubdv2si3): Likewise.
6708 (ssse3_phsubswv8hi3): Likewise.
6709 (ssse3_phsubswv4hi3): Likewise.
6710 (ssse3_pmaddubswv8hi3): Likewise.
6711 (ssse3_pmaddubswv4hi3): Likewise.
6712 (ssse3_pmulhrswv8hi3): Likewise.
6713 (ssse3_pmulhrswv4hi3): Likewise.
6714 (ssse3_pshufbv16qi3): Likewise.
6715 (ssse3_pshufbv8qi3): Likewise.
6716 (ssse3_psign<mode>3): Likewise.
6717 (ssse3_psign<mode>3): Likewise.
6718 (ssse3_palignrti): Likewise.
6719 (ssse3_palignrdi): Likewise.
6720 (abs<mode>2): Likewise.
6721 (abs<mode>2): Likewise.
6723 * config/i386/tmmintrin.h: New file.
6725 * doc/extend.texi: Document SSSE3 built-in functions.
6727 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
6729 2006-10-22 Ira Rosen <irar@il.ibm.com>
6731 * tree-vect-transform.c (vectorizable_load): Use the type of the
6732 return value of the mask_for_load builtin to create realign_load
6735 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6737 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
6740 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
6742 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
6743 (UNSPEC_LDDQU): This.
6744 * config/i386/sse.md (sse3_lddqu): Updated.
6746 2006-10-21 Richard Guenther <rguenther@suse.de>
6748 * builtins.c (expand_builtin_int_roundingfn_2): New function.
6749 (expand_builtin): Use it to expand lrint instead of
6750 expand_builtin_mathfn.
6752 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6755 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
6756 flag_unsafe_math_optimizations is set.
6758 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6761 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
6762 patterns to use memory input operand in x87->mem->XMM
6763 reload sequences. Skip transformation for TARGET_K8.
6765 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6767 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
6768 force operand1 to register if both operands are memory operands.
6769 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
6770 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
6771 if both operands are memory operands.
6772 (truncdfsf2): Do not force operand1 to register if both operands
6773 are memory operands.
6775 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6777 * Makefile.in (LIBS): Add $(GMPLIBS).
6778 * doc/install.texi: Update GMP and MPFR requirements.
6779 * doc/sourcebuild.texi (need_gmp): Delete.
6781 2006-10-21 Richard Guenther <rguenther@suse.de>
6783 PR tree-optimization/3511
6784 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
6785 got new invariant arguments during PHI translation.
6787 2006-10-21 Richard Guenther <rguenther@suse.de>
6790 * fold-const.c (fold_comparison): Fold signed comparisons
6791 of the form X +- C1 CMP Y +- C2.
6793 2006-10-21 Richard Guenther <rguenther@suse.de>
6796 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
6797 if flag_unsafe_math_optimizations is specified. We have
6798 flag_finite_math_only for that.
6799 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
6800 or flag_unsafe_math_optimizations.
6802 2006-10-21 Richard Guenther <rguenther@suse.de>
6804 * builtins.c (fold_builtin_classify): Fix typo.
6806 2006-10-21 Richard Guenther <rguenther@suse.de>
6809 * simplify-rtx.c (simplify_const_relational_operation):
6810 Do not constant-fold ORDERED and UNORDERED for
6811 flag_unsafe_math_optimizations but only we do not need to
6812 honor NaNs for the given mode.
6814 2006-10-21 Richard Guenther <rguenther@suse.de>
6817 * config/i386/i386.c (classify_argument): Remove redundant
6818 walking of the BINFOs.
6819 (contains_128bit_aligned_vector_p): Likewise.
6821 2006-10-20 Mark Mitchell <mark@codesourcery.com>
6823 * BASE-VER: Set to 4.3.0.
6825 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
6827 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
6828 (tree_decl_with_vis): Remove artificial_pta_var flag.
6829 * tree-flow.h (referenced_var_check_and_insert): Expose.
6830 (nonlocal_all): New prototype.
6831 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
6832 (nonlocal_all): Make global.
6833 (nonlocal_lookup): Remove.
6834 (nonlocal_insert): Ditto.
6835 (create_nonlocal_var): Do not call nonlocal_insert.
6836 (get_nonlocal_id_for_type): Remove.
6837 (find_global_initializers): Mark new vars we find for renaming.
6838 (intra_create_variable_infos): Only create one nonlocal.
6839 (expand_nonlocal_solutions): Remove.
6840 (compute_points_to_sets): Don't call it.
6841 (ipa_pta_execute): Ditto.
6842 (init_alias_heapvars): Don't create nonlocal_for_type.
6843 (delete_alias_heapvars): Don't remove it.
6844 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
6847 2006-10-19 Brooks Moses <bmoses@stanford.edu>
6849 * doc/install.texi (Downloading GCC): Clarify mention of
6850 Fortran in the "full distribution" description.
6852 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
6854 Fix PR tree-optimization/28778
6855 Fix PR tree-optimization/29156
6856 Fix PR tree-optimization/29415
6857 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
6858 (tree_decl_with_vis): Add artificial_pta_var flag.
6859 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
6860 pushed into callers.
6861 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
6862 (nonlocal_all): Ditto.
6863 (struct variable_info): Add directly_dereferenced member.
6864 (var_escaped_vars): New variable.
6865 (escaped_vars_tree): Ditto.
6866 (escaped_vars_id): Ditto.
6867 (nonlocal_vars_id): Ditto.
6868 (new_var_info): Set directly_dereferenced.
6869 (graph_size): New variable
6870 (build_constraint_graph): Use graph_size.
6871 (solve_graph): Don't process constraints that cannot change the
6872 solution, don't try to propagate an empty solution to our
6874 (process_constraint): Set directly_dereferenced.
6875 (could_have_pointers): New function.
6876 (get_constraint_for_component_ref): Don't process STRING_CST.
6877 (nonlocal_lookup): New function.
6878 (nonlocal_insert): Ditto.
6879 (create_nonlocal_var): Ditto.
6880 (get_nonlocal_id_for_type): Ditto.
6881 (get_constraint_for): Allow results vector to be empty in the case
6882 of string constants.
6883 Handle results of calls properly.
6884 (update_alias_info): Update alias info stats on number and type of
6886 (find_func_aliases): Use could_have_pointers.
6887 (make_constraint_from_escaped): Renamed from
6888 make_constraint_to_anything, and changed to make constraints from
6890 (make_constraint_to_escaped): New function.
6891 (find_global_initializers): Ditto.
6892 (create_variable_info_for): Make constraint from escaped to any
6893 global variable, and from any global variable to the set of
6895 (intra_create_variable_infos): Deal with escaped instead of
6896 pointing to anything.
6897 (set_uids_in_ptset): Do type pruning on directly dereferenced
6899 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
6900 (init_base_vars): Fix comment, and initialize escaped_vars.
6901 (need_to_solve): Removed.
6902 (find_escape_constraints): New function.
6903 (expand_nonlocal_solutions): Ditto.
6904 (compute_points_to_sets): Call find_escape_constraints and
6905 expand_nonlocal_solutions.
6906 (delete_points_to_sets): Don't fall off the end of the graph.
6907 (init_alias_heapvars): Initialize nonlocal_for_type and
6909 (delete_alias_heapvars): Free nonlocal_for_type and null out
6912 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
6914 * fold-const.c (add_double): Rename to add_double_with_sign.
6915 Add 'unsigned_p' parameter and take it into account for the overflow.
6916 (mul_double): Rename to mul_double_with_sign.
6917 Add 'unsigned_p' parameter and take it into account for the overflow.
6918 (fold_div_compare): Call add_double_with_sign instead of add_double
6919 and mul_double_with_sign instead of mul_double, passing them the
6920 unsignedness of the type.
6921 * tree.h (add_double): Macroize.
6922 (add_double_with_sign): New prototype.
6923 (mul_double): Macroize.
6924 (mul_double_with_sign): New prototype.
6926 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
6928 * config/score/crti.asm: New file.
6929 * config/score/crtn.asm: New file.
6930 * config/score/elf.h: New file.
6931 * config/score/mac.md: New file.
6932 * config/score/misc.md: New file.
6933 * config/score/mul-div.S: New file.
6934 * config/score/predicates.md: New file.
6935 * config/score/score7.md: New file.
6936 * config/score/score.c: New file.
6937 * config/score/score-conv.h: New file.
6938 * config/score/score.h: New file.
6939 * config/score/score.md: New file.
6940 * config/score/score-mdaux.c: New file.
6941 * config/score/score-mdaux.h: New file.
6942 * config/score/score-modes.def: New file.
6943 * config/score/score.opt: New file.
6944 * config/score/score-protos.h: New file.
6945 * config/score/score-version.h: New file.
6946 * config/score/t-score-elf: New file.
6947 * config.gcc: Add score*-*-* configurations(Update before).
6948 * doc/invoke.texi (Score Options): New section.
6949 * doc/md.texi (Score family): New section to document constraints.
6951 2006-10-19 Nick Clifton <nickc@redhat.com>
6953 * config/arm/arm.c: Fix spelling typo.
6955 2006-10-18 Tom Tromey <tromey@redhat.com>
6957 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
6959 2006-10-18 Jan Hubicka <jh@suse.cz>
6962 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
6965 2006-10-18 Marcin Dalecki <martin@dalecki.de>
6967 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
6968 TSI_SAME_STMT, since that's the desired entity.
6970 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
6972 * config/s390/contraints.md: New file.
6973 * config/s390/s390-protos.h (s390_mem_constraint,
6974 s390_O_constraint_str, s390_N_constraint_str,
6975 s390_float_const_zero_p): Function prototypes added.
6976 * config/s390/s390.c (s390_extra_constraint_str,
6977 s390_const_double_ok_for_constraint_p,
6978 s390_const_ok_for_constraint_p): Functions removed.
6979 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
6980 s390_float_const_zero_p): New functions.
6981 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
6982 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
6983 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
6984 Macro definitions removed.
6985 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
6986 s390_extra_constraint_str): Functions removed.
6988 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
6989 Richard Sandiford <richard@codesourcery.com>
6992 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
6993 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
6995 2006-10-16 Geoffrey Keating <geoffk@apple.com>
6997 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
6998 (DWARF2_FRAME_REG_OUT): Likewise.
6999 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7000 (DWARF2_FRAME_REG_OUT): Likewise.
7002 2006-10-17 Paul Brook <paul@codesourcery.com>
7004 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7006 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7008 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7009 Standardize on "GNU Fortran" as the official name of the Fortran
7012 2006-10-16 Mike Stump <mrs@apple.com>
7014 * doc/invoke.texi (Darwin Options): Document -mkernel.
7015 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7017 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
7018 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7019 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7020 (OS_MISSING_ALTIVEC): Add.
7021 * config/i386/i386.c (override_options): Add
7022 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7023 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7024 -mkernel, -static or -mdynamic-no-pic is given.
7025 (C_COMMON_OVERRIDE_OPTIONS): Add.
7026 * config/darwin.opt (fapple-kext): Add.
7028 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7029 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7031 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7032 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7033 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7034 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7035 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7036 (flag_mkernel): Add.
7037 (flag_apple_kext): Add.
7038 (TARGET_KEXTABI): Add.
7039 * config/darwin.c (darwin_handle_kext_attribute): Add.
7040 (DARWIN_VTABLE_P): Add.
7041 (darwin_binds_local_p): Add partial support for rebinding vtables
7043 (darwin_kextabi_p): Add.
7044 (darwin_override_options): Add.
7045 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7046 (darwin_kextabi_p): Add.
7047 (darwin_override_options): Add.
7048 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7049 __DYNAMIC__ and __STATIC__ here.
7051 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7053 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7054 Added mention of "make pdf" target, and Texinfo requirements for
7057 2006-10-16 DJ Delorie <dj@redhat.com>
7059 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7060 into the GOT in case we need a subreg of the address.
7062 2006-10-16 Richard Guenther <rguenther@suse.de>
7065 * doc/extend.texi (X86 Built-in Functions): Fix typos in
7066 SSE builtin documentation. Document SSE2 builtins.
7068 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7070 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7071 symbol in the output file for non-shared links when -nostdlib or
7072 -nodefaultlibs isn't specified.
7074 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7075 posix thread support.
7077 2006-10-15 Jan Hubicka <jh@suse.cz>
7080 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7081 declared always_inline even when not inlining.
7083 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7084 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7085 Andrew Pinski <pinskia@gmail.com>
7088 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
7090 2006-10-15 Jan Hubicka <jh@suse.cz>
7091 Richard Guenther <rguenther@suse.de>
7094 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7095 process_function_and_variable_attributes on all variables, including
7096 those discovered during cgraph construction phase.
7098 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
7100 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
7102 2006-10-14 Uros Bizjak <uros@kss-loka.si>
7104 * config/i386/athlon.md (athlon_fist): Add fisttp.
7106 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7107 Ian Lance Taylor <ian@airs.com>
7110 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7111 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7114 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
7116 * config/score/score.c, config/score/score.h: Fix comment
7119 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7122 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7125 2006-10-13 Eric Christopher <echristo@apple.com>
7127 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7129 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7132 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7133 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7134 alignment supported by 32-bit ELF.
7136 2006-10-13 Eric Christopher <echristo@apple.com>
7138 * config/darwin.c (darwin_emit_unwind_label): Strip
7139 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
7141 2006-10-13 Richard Guenther <rguenther@suse.de>
7143 PR tree-optimization/29446
7144 * tree-vrp.c (fix_equivalence_set): Remove.
7145 (extract_range_from_assert): Do not call fix_equivalence_set.
7146 (debug_value_range): Print a newline.
7147 (compare_name_with_value): For equivalence sets with
7148 inconsistent value ranges conservatively bail out.
7149 (compare_names): Likewise.
7151 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7153 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
7154 and MPFR for gfortran.
7156 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7158 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7159 alignment supported by 32-bit ELF.
7161 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
7165 * c-typeck.c (digest_init): Always allow initializing vectors
7166 that have static storage duration with compound literals.
7167 * tree.c (build_type_attribute_qual_variant): New, based on
7168 build_type_attribute_variant.
7169 (build_type_attribute_variant): Rewrite using the former.
7170 (make_vector_type): Use build_type_attribute_qual_variant to build
7171 type variants. Use type_hash_canon on the others.
7173 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
7174 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
7176 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
7178 2006-10-12 Jan Hubicka <jh@suse.cz>
7181 * c-decl.c (c_make_fname_decl): Do not segfault in case where
7182 current_function_decl is set but current_function_scope is not.
7184 2006-10-12 Jie Zhang <jie.zhang@analog.com>
7186 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
7187 emit_insn to emit eh_return_internal instruction.
7188 (eh_return_internal): Explicitly set pc.
7190 2006-10-11 Richard Guenther <rguenther@suse.de>
7192 PR tree-optimization/28230
7193 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
7194 to the correct place.
7196 2006-10-11 Richard Guenther <rguenther@suse.de>
7199 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
7202 2006-10-10 Brooks Moses <bmoses@stanford.edu>
7204 * configure.ac: Added pdf to "Make-hooks"
7205 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
7206 targets and *.pdf file patterns in cleanup targets.
7207 * configure: Regenerated.
7209 2006-10-10 Anatoly Sokolov <aesok@post.ru>
7211 * config/avr/predicates.md: New file.
7212 * config/avr/avr.md: Include it.
7213 (REG_SP): New constant.
7214 (peepholes): Use predicates.
7215 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
7216 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
7217 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
7219 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
7221 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
7224 2006-10-10 Jakub Jelinek <jakub@redhat.com>
7227 * builtins.c (var_decl_component_p): New function.
7228 (fold_builtin_memset, fold_builtin_memory_op): Restrict
7229 single entry optimization to variables and components thereof.
7231 2006-10-10 Richard Guenther <rguenther@suse.de>
7233 PR rtl-optimization/29323
7234 * except.c (set_nothrow_function_flags): For functions
7235 that do not bind local bail out early.
7237 2006-10-10 Ben Elliston <bje@au.ibm.com>
7239 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7242 2006-10-09 Richard Henderson <rth@redhat.com>
7244 Revert emutls patch.
7246 2006-10-09 Richard Guenther <rguenther@suse.de>
7249 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7252 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7255 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7256 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7257 * configure: Regenerate.
7258 * config.in: Regenerate.
7260 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7262 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7264 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7266 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7267 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7268 Remove stray newline.
7270 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7272 * config/mips/mips.c (mips_classify_symbol): Do not return
7273 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7274 (mips_in_small_data_p): Tweak comments.
7276 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7278 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7280 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7282 * gimplify.c, sched-int.h: Fix comment typos.
7284 * sched-int.h: Fix comment typos.
7286 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7288 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7290 * sched-ebb.c (begin_schedule_ready): Use them.
7291 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7292 add_to_speculative_block, create_check_block_twin, speculate_insn,
7293 fix_jump_move, move_block_after_check): Ditto.
7294 * sched-rgn.c (new_ready): Ditto.
7296 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7298 PR rtl-optimization/29128
7299 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7300 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7301 allow interblock movement of speculation checks.
7303 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7306 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7307 casted to integer type.
7308 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7309 if they are significantly more expensive than [reg + index] ones.
7311 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7313 PR tree-optimization/29330
7314 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7315 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7316 on newly allocated ddrs.
7317 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7318 to VEC (loop_p, heap) pointer.
7319 (compute_data_dependences_for_loop): Adjust caller.
7320 (free_dependence_relations): Free DDR_LOOP_NEST.
7322 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7323 free DEPENDENCE_RELATIONS and DATAREFS.
7326 * builtins.c (expand_builtin_sync_operation,
7327 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7328 Use convert_to_mode to handle promoted arguments.
7330 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7332 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7334 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7336 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7338 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7340 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7341 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7342 Use <modeconstraint> instead of "r" as operand 1 constraint.
7344 2006-10-06 Olivier Hainque <hainque@adacore.com>
7346 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7347 Don't recurse on the pointed-to type.
7348 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7349 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7350 types with components of variable size.
7352 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7354 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7356 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7358 PR tree-optimization/29290
7359 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7363 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7364 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7367 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7368 the number of vector elements fill the rest with zeros.
7370 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7372 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7373 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7376 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7378 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7379 unnamed pattern into subsi3. Use correct constraints/predicates.
7380 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7381 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7383 2006-10-05 Ira Rosen <irar@il.ibm.com>
7385 * doc/loop.texi: Add data references analysis description.
7387 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7389 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7391 2006-10-04 Richard Henderson <rth@redhat.com>
7392 Jakub Jelinek <jakub@redhat.com>
7394 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7395 * builtin-types.def (BT_WORD): Make unsigned.
7396 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7397 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7398 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7399 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7400 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7401 * cgraph.c (decide_is_variable_needed): Look at force_output.
7402 Recurse for emulated tls.
7403 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7404 checks redundant with decide_is_variable_needed.
7405 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7406 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7408 * expr.c (emutls_var_address): New.
7409 (expand_expr_real_1): Expand emulated tls.
7410 (expand_expr_addr_expr_1): Likewise.
7411 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7412 * output.h (emutls_finish): Declare.
7413 * toplev.c (compile_file): Call it.
7414 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7415 address before wrapping in CONST.
7416 * varasm.c (emutls_htab, emutls_object_type): New.
7417 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7418 (get_emutls_object_name, get_emutls_object_type): New.
7419 (get_emutls_init_templ_addr, emutls_decl): New.
7420 (emutls_common_1, emutls_finish): New.
7421 (assemble_variable): When emulating tls, swap decls; generate
7422 constructor for the emutls objects.
7423 (do_assemble_alias): When emulating tls, swap decl and target name.
7424 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7426 * emutls.c: New file.
7427 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7428 tls_object for real tls.
7430 2006-10-04 Zack Weinberg <zackw@panix.com>
7432 Fix bug in constraint-check generator, reported by Rask Ingemann
7434 * genpreds.c (add_constraint): Don't remove anything from the
7436 (write_tm_constrs_h): Detect whether "op" argument is used, and
7437 mark it ARG_UNUSED if it isn't.
7438 (write_insn_const_int_ok_for_constraint): Skip the part of the
7439 expression that would test whether "op" (which is not available
7440 here) is a CONST_INT.
7442 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7445 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7447 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7449 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7450 current Leopard versions.
7451 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
7453 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
7455 * doc/install.texi: Fix typos.
7457 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7459 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
7460 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
7461 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7463 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
7465 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
7466 arg to be struct mach_header_64* instead.
7468 2006-10-02 Jakub Jelinek <jakub@redhat.com>
7471 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
7472 side effects after the outer expression's post side effects.
7474 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
7476 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
7477 comments to reflect actual behavior and relationship between
7478 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
7480 * doc/c-tree.texi (Working with declarations): Fix documentation
7481 of FIELD_DECL likewise.
7483 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
7486 * doc/extend.texi: Add used variable attribute description.
7488 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
7491 * c.opt (Woverride-init): New.
7492 * c-opts.c (c_common_post_options): Default warn_override_init to
7494 * c-typeck.c (add_pending_init, output_init_element): Warn for
7495 overriding initializers without side effects.
7496 * doc/invoke.texi (-Woverride-init): Document.
7499 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
7501 PR rtl-optimization/28096
7502 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
7503 assignment has already been used as a destination earlier in the block.
7505 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
7507 * builtins.c (expand_builtin_setjmp): Delete.
7508 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
7509 <BUILT_IN_SETJMP_SETUP>: New case.
7510 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
7511 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
7512 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
7513 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
7514 (BUILT_IN_SETJMP_RECEIVER): Likewise.
7515 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
7516 (lower_function_body): Initialize it to false. If it is set to true
7517 at the end of the processing, emit the setjmp dispatcher.
7518 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
7519 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
7520 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
7521 on the rhs of the assignment.
7522 (lower_builtin_setjmp): New function.
7523 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
7524 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
7525 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
7526 to detect calls that can go to non-local labels. Use specific
7527 helper to create the abnormal edges associated with them.
7528 <MODIFY_EXPR>: Likewise.
7529 (make_abnormal_goto_edges): New function extracted from...
7530 (make_goto_expr_edges): ...here. Call it for computed gotos.
7531 (simple_goto_p): Minor tweak.
7532 (tree_can_make_abnormal_goto): New predicate.
7533 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
7534 (tree_purge_dead_abnormal_call_edges): New function.
7535 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
7536 (tree_purge_dead_abnormal_call_edges): Likewise.
7537 (make_abnormal_goto_edges): Likewise.
7538 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
7539 Purge all dead abnormal edges if the call was in the last statement.
7540 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
7541 (execute_fixup_cfg): If there are non-local labels in the function,
7542 scan the basic blocks and split them at calls that can go to non-local
7543 labels or add missing abnormal call edges. Write down the CFG in the
7545 (pass_fixup_cfg): Remove TODO_dump_func flag.
7546 * unwind-sjlj.c: Poison setjmp.
7547 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
7548 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
7549 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
7550 (DONT_USE_BUILTIN_SETJMP): Document it.
7552 2006-09-28 Geoffrey Keating <geoffk@apple.com>
7555 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
7556 to 1 when __ppc64__ is defined.
7557 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
7559 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
7561 2006-09-28 Steve Ellcey <sje@cup.hp.com>
7563 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
7564 * config/ia64/unwind-hpux.c: Delete.
7566 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
7568 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
7569 on the element before gimplifying it, instead of punting if it is of
7572 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
7574 * doc/loop.texi: New file.
7575 * doc/gccint.texi: Reference loop.texi.
7576 * Makefile.in (loop.texi): Add.
7578 2006-09-27 Geoffrey Keating <geoffk@apple.com>
7580 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
7582 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7583 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7585 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
7587 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
7589 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
7591 * doc/install.texi: Document required versions of GMP and MPFR.
7593 2006-09-27 Paul Brook <paul@codesourcery.com>
7596 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
7598 2006-09-27 Richard Sandiford <richard@codesourcery.com>
7600 * reload1.c (alter_reg): Require the alignment of the stack slot to
7601 be at least reg_max_ref_width bytes.
7602 (scan_paradoxical_subregs): Record the largest width in
7605 2006-09-26 Jakub Jelinek <jakub@redhat.com>
7609 * tree-nested.c (struct nesting_info): Added static_chain_added.
7610 (convert_call_expr): Set static_chain_added when adding static
7611 chain. Handle OMP_PARALLEL and OMP_SECTION.
7613 2006-09-25 Matthias Klose <doko@debian.org>
7615 * doc/invoke.texi: Add missing full stop.
7617 2006-09-25 Richard Henderson <rth@redhat.com>
7619 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
7620 before cgraph_function_flags_ready.
7622 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
7623 Adam Nemet <anemet@caviumnetworks.com>
7625 * tree-ssa-loop-ivopts.c (aff_combination_convert,
7626 determine_common_wider_type): New functions.
7627 (get_computation_aff): Use them to simplify arithmetic between
7628 UBASE and CBASE if they are shortened from the same type.
7630 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
7633 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
7634 -2147483647 - 1 instead of 0x80000000.
7636 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
7638 * flags.h (HONOR_NANS): Fix typo in comment.
7640 2006-09-23 Uros Bizjak <uros@kss-loka.si>
7642 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
7644 2006-09-23 Jakub Jelinek <jakub@redhat.com>
7648 * tree.c (merge_attributes, attribute_list_contained): If both
7649 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
7651 * c-typeck.c (comptypes_internal): Don't consider aggregates
7652 in different TUs as compatible if there one set of attributes is
7653 not a subset of the other type's attributes.
7654 (composite_type): Try harder not to create a new aggregate type.
7656 2006-09-22 Geoffrey Keating <geoffk@apple.com>
7658 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
7659 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
7660 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
7661 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
7662 than replicating condition above.
7663 * config.host (i[34567]86-*-*): Always use driver-i386.o.
7665 * config/darwin.h (LINK_SYSROOT_SPEC): New.
7666 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
7667 the linker by default.
7669 2006-09-22 Mike Stump <mrs@apple.com>
7671 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
7674 2006-09-22 Richard Guenther <rguenther@suse.de>
7677 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
7678 sort of stack variables stable.
7680 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
7683 * explow.c (force_reg): Set REG_POINTER flag according to
7686 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
7688 PR tree-optimization/28888
7689 * tree-if-conv.c (combine_blocks): Rewritten.
7690 * tree-cfg.c (tree_verify_flow_info): Check that edges with
7691 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
7693 2006-09-22 Jakub Jelinek <jakub@redhat.com>
7695 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
7698 2006-09-21 Richard Sandiford <richard@codesourcery.com>
7700 * varasm.c (copy_constant): Fix reversed gcc_assert check.
7702 2006-09-21 Janis Johnson <janis187@us.ibm.com>
7704 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
7706 2006-09-21 Roger Sayle <roger@eyesopen.com>
7709 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
7710 dw_fde_current_label, to be the start of the function, i.e. the same
7711 value as dw_fde_begin.
7713 2006-09-20 Richard Sandiford <richard@codesourcery.com>
7715 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
7716 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
7717 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
7718 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
7719 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
7720 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
7721 (abs<mode>2, neg<mode>2): Likewise.
7722 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
7723 (*mips_abs_ps): New define_insn.
7725 2006-09-20 Josh Conner <jconner@apple.com>
7728 * calls.c (expand_call): Allow reuse of structure return stack
7731 2006-09-20 Paul Brook <paul@codesourcery.com>
7733 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
7736 2006-09-20 Janis Johnson <janis187@us.ibm.com>
7738 * doc/extend.texi (Decimal Float): Update for latest draft TR,
7739 clean up terminology.
7741 2006-09-20 Steve Ellcey <sje@cup.hp.com>
7744 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
7745 with tablejumps in them.
7747 2006-09-20 Jakub Jelinek <jakub@redhat.com>
7750 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
7751 wrap it into TARGET_EXPR.
7753 2006-09-20 Eric Christopher <echristo@apple.com>
7755 * config/i386/i386.c (x86_fisttp): Remove.
7756 * config/i386/i386.h (x86_fisttp): Ditto.
7757 (TARGET_FISTTP): Ditto.
7759 2006-09-19 Eric Christopher <echristo@apple.com>
7761 * doc/tm.texi (OBJC_JBLEN): Describe.
7762 * config/i386/darwin.h (OBJC_JBLEN): Define.
7763 * config/rs6000/darwin.h: Ditto.
7765 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
7767 PR rtl-optimization/21299
7768 * reload1.c (reload): Purge invalid ASMs in the final pass.
7770 2006-09-19 Steve Ellcey <sje@cup.hp.com>
7773 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
7774 pointers as legitimate constants.
7776 2006-09-19 Paul Brook <paul@codesourcery.com>
7779 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
7781 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
7783 PR tree-optimization/28887
7784 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
7785 component parts from the reference.
7786 (gather_memory_references_ref): Record the reference without the
7787 nonaddressable component parts.
7789 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
7792 * c-opts.c (c_common_handle_option): Ignore the -std options
7793 if the input language is assembly.
7795 2006-09-17 Ira Rosen <irar@il.ibm.com>
7798 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
7800 (ptr_ptr_may_alias_p): Likewise.
7801 (record_record_differ_p): New function.
7802 (base_object_differ_p): Call record_record_differ_p.
7804 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7807 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
7808 away for the expr argument.
7810 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7813 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
7814 before using it for dumping after vectorizing loops.
7816 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7817 Jack Howarth <howarth@bromo.med.uc.edu>
7820 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
7821 skip on error_mark_node.
7822 (rs6000_darwin64_record_arg_recurse): Likewise.
7824 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7826 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
7827 * doc/rtl.texi: Remove related documentation.
7829 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
7831 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
7834 2006-09-15 Jim Wilson <wilson@specifix.com>
7836 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
7837 Handle symbol offsets same as they are handled in ia64_expand_move
7840 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
7842 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
7843 Add forgotten parameter to the fprintf call.
7845 2006-09-15 Steve Ellcey <sje@cup.hp.com>
7847 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
7849 2006-09-15 Uros Bizjak <uros@kss-loka.si>
7851 * doc/contrib.texi: Add my entry.
7853 2006-09-15 Nick Clifton <nickc@redhat.com>
7855 * doc/md.texi (Processor pipeline description): Fix typo in
7856 example of how to use the absence_set directive and reword the
7857 description to make it slightly easier to read.
7859 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
7861 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
7862 * loop-doloop.c (doloop_optimize): Use it to limit costs of
7863 expanding the number of iterations.
7864 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
7866 * cfgrtl.c (emit_insn_at_entry): New function.
7867 * rtl.h (emit_insn_at_entry): Declare it.
7868 * integrate.c (emit_initial_value_sets): Use it.
7870 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
7872 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
7874 (struct loop_work and related VEC declarations): Delete.
7875 (bfin_dump_loops): Print out new member bad.
7876 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
7877 (bfin_scan_loop): Don't recurse.
7878 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
7879 loops. No longer need to update outer loops if the current one is
7880 found bad. Move some validitiy checks to bfin_discover_loop.
7881 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
7882 but changed not to check for nesting. Also changed to use the new bad
7884 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
7885 time. Use bitmap based test to discover loop nesting.
7887 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
7889 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
7892 2006-09-14 Richard Guenther <rguenther@suse.de>
7893 Kazu Hirata <kazu@codesourcery.com>
7895 PR middle-end/28884.
7896 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
7897 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
7898 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
7899 with TARGET_FUNCTION_VALUE.
7901 2006-09-14 Anatoly Sokolov <aesok@post.ru>
7904 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
7906 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
7908 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
7911 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
7914 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
7917 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7919 * basic_block.h (bb_has_eh_pred): Fix comment.
7921 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7923 * flow.c (calculate_global_regs_live): Invalidate eh registers
7924 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
7925 (propagate_block): Handle eh registers as if they were set at basic
7927 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
7929 * global.c (global_conflicts): Make eh registers to conflict with
7930 pseudos live at basic block begin.
7931 * basic_block.h (bb_has_eh_pred): New function.
7933 2006-09-13 Richard Sandiford <richard@codesourcery.com>
7935 PR rtl-optimization/28982
7936 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
7937 index of a PRE_MODIFY or POST_MODIFY address.
7938 * reload1.c (inc_for_reload): Use find_replacement on the original
7939 base and index registers.
7941 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
7943 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
7944 for -Os. Update __m128 alignment requirement.
7946 2006-09-13 Jan Hubicka <jh@suse.cz>
7948 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
7950 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
7952 PR rtl-optimization/28243
7953 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7954 the insn to which the note was originally attached.
7956 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
7957 Roger Sayle <roger@eyesopen.com>
7959 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
7960 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
7961 on platforms that don't use dwarf for debug info.
7963 2006-09-12 Jason Merrill <jason@redhat.com>
7966 * builtins.c (expand_builtin_setjmp_receiver): Clobber
7967 hard_frame_pointer_rtx after using it to update the frame pointer.
7969 2006-09-12 Roger Sayle <roger@eyesopen.com>
7971 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
7972 (TARGET_ASM_CLOSE_PAREN): Likewise.
7973 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
7974 (TARGET_ASM_CLOSE_PAREN): Likewise.
7976 2006-09-12 Roger Sayle <roger@eyesopen.com>
7979 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
7980 frame information for frames larger than 512 Kbytes on Tru64 when
7981 using the native assembler.
7983 2006-09-12 Roger Sayle <roger@eyesopen.com>
7987 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
7988 and symbols. Instead use the implementation from cse.c's hash_rtx.
7990 2006-09-12 Jan Hubicka <jh@suse.cz>
7992 PR rtl-optimization/28071
7993 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
7994 (vect_transform_loop): Likewise.
7995 * tree-vectorizer.c (new_loop_vec_info): Likewise.
7996 (new_loop_vec_info): Likewise.
7997 (destroy_loop_vec_info): Likewise.
7998 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
7999 (create_stmt_ann): Likewise.
8000 (create_tree_ann): Rename to ...
8001 (create_tree_common_ann): ... this one; allocate only the common part
8003 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8004 (get_value_handle): Likewise.
8005 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8006 get_tree_common_ann.
8007 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8008 (vinfo_for_stmt): Use stmt annotations.
8009 * tree-flow.h (tree_ann_common_t): New type.
8010 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8011 (tree_ann, get_tree_ann, create_tree_ann): New.
8012 * tree-flow-inline.h (get_function_ann): Do more type checking.
8013 (stmt_ann): Likewise.
8014 (tree_ann): Rename to ...
8015 (tree_common_ann): ... this one; return ony common_ann
8016 (get_tree_ann): Rename to ...
8017 (tree_common_ann): This one; return only common_ann.
8018 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8021 2006-09-11 Geoffrey Keating <geoffk@apple.com>
8023 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8024 with_cpu by default.
8026 * dwarf2out.c (dwarf_file_data): New.
8027 (enum dw_val_class): Add dw_val_class_file.
8028 (struct dw_val_struct): Add val_file.
8029 (file_table): Change to a hash table.
8030 (file_table_emitted): Delete.
8031 (file_table_last_lookup_index): Delete.
8032 (emitcount): Delete.
8033 (last_emitted_file): New.
8034 (lookup_filename): Change prototype to return a struct dwarf_file_data.
8035 (init_file_table): Delete.
8036 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8037 (AT_addr): Add comment.
8041 (print_die): Handle dw_val_class_file.
8042 (print_dwarf_line_table): Update for new file table structure.
8043 (attr_checksum): Do checksum a filename.
8044 (same_dw_val_p, same_attr_p): Do compare a filename.
8045 (size_of_die): Handle dw_val_class_file.
8046 (value_format): Likewise.
8047 (output_die): Likewise. Also, call maybe_emit_file here.
8048 (struct file_info): Constify filenames. Make file_idx a pointer
8049 to a struct dwarf_file_data.
8050 (struct dir_info): Constify directory names. Remove 'used' field.
8051 (struct file_name_acquire_data): New.
8052 (file_name_acquire): New.
8053 (output_file_names): Modify to handle new file data structures.
8054 (add_src_coords_attributes): Use add_AT_file.
8055 (add_call_src_coords_attributes): Likewise.
8056 (dwarf2out_imported_module_or_decl): Likewise.
8057 (gen_subprogram_die): Modify for new file data structures.
8058 (gen_variable_die): Likewise.
8059 (file_table_eq): New.
8060 (file_table_hash): New.
8061 (file_table_last_lookup): New.
8062 (lookup_filename): Rewrite to handle new file data structures.
8063 (maybe_emit_file): Rewrite to handle new file data structures.
8064 (dwarf2out_source_line): Always call lookup_filename and
8066 (dwarf2out_init): Create file_table here.
8067 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8068 (file_table_relative_p): New.
8069 (dwarf2out_finish): Change detection of relative filenames
8070 to work with new file data structures. Move output_line_info call
8071 after debug_info output.
8073 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
8078 * config/i386/i386.c (override_options): Always default to 16
8079 byte stack boundary.
8081 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
8084 * var-tracking.c (dump_dataflow_set): Start dumping at
8086 (clobber_variable_part): Kill only the variable part in
8087 registers holding it, leaving other variables alone.
8089 2006-09-11 Josh Triplett <josh@freedesktop.org>
8091 * doc/extend.texi (Other Builtins): Actually use the macro
8092 argument in the documentation example for
8093 __builtin_types_compatible_p.
8095 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8097 PR rtl-optimization/28726
8098 * sched-deps.c (sched_analyze_reg): New function extracted from...
8099 (sched_analyze_1): ...here. Call it to analyze references to
8100 registers. Treat again writes to a stack register as writing to the
8102 (sched_analyze_2): ...and here. Call it to analyze references to
8103 registers. Treat again reads of a stack register as reading the
8106 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
8107 David Edelsohn <edelsohn@gnu.org>
8110 * config/rs6000/spe.md (frob_df_di): Remove %H.
8111 (frob_di_df): Remove %H. Change evmergelo to mr.
8112 (frob_di_df_2): Remove %H. Change evldd to two loads.
8114 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
8116 * doc/cpp.texi: Fix names of charset options.
8118 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
8121 * config/i386/i386.c (override_options): Use 128-bit
8122 stack boundary always for 64bits.
8124 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8126 PR rtl-optimization/28636
8127 * combine.c (force_to_mode): Test for side-effects before
8128 substituting by zero.
8129 (simplify_shift_const): Likewise for zero or other constants.
8131 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
8134 * builtins.c (expand_builtin_setjmp): Force next_lab to be
8137 2006-09-10 Richard Sandiford <richard@codesourcery.com>
8140 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
8141 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
8142 returned by mode_for_size, rather than the mode of src itself,
8143 to choose between 32-bit and 64-bit patterns.
8144 (mips_mem_fits_mode_p): New function.
8145 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
8146 that the size of the source matches the size of the destination.
8147 (mov_<store>l, mov_<store>r): Likewise.
8149 2006-09-10 Eric Christopher <echristo@apple.com>
8151 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
8154 2006-09-09 Eric Christopher <echristo@apple.com>
8157 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
8160 2006-09-09 Roger Sayle <roger@eyesopen.com>
8161 Nicolas Setton <setton@adacore.com>
8163 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
8165 2006-09-10 Andreas Schwab <schwab@suse.de>
8167 * config/m68k/m68k.md (bungt_rev): New pattern.
8169 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
8170 Dale Johannesen <dalej@apple.com>
8173 * regclass.c (struct reg_pref): Update documentation.
8174 (regclass): Set prefclass to NO_REGS if memory is the best option.
8175 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8177 2006-09-08 Eric Christopher <echristo@apple.com>
8179 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
8180 * config/t-slibgcc-darwin: Support x86_64 multilib.
8181 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
8182 Return 1 for x86_64-darwin.
8183 * config/i386/t-darwin: Add m64 multilib.
8184 (LIB2_SIDITI_CONV_FUNCS): Use.
8185 (LIB2FUNCS_EXTRA): Ditto.
8186 * config/i386/darwin.h: Support x86_64.
8187 * config/i386/i386.c (override_options): Turn on flag_pic
8188 for x86_64-darwin. Disable flag_omit_pointer.
8189 (get_pc_thunk_name): Assert !TARGET_64BIT.
8190 (legitimate_address_p): Disable machopic addressing for
8192 (legitimize_pic_address): Ditto.
8193 (ix86_expand_move): Ditto.
8194 (ix86_expand_call): Ditto.
8195 (machopic_output_stub): Ditto.
8196 * config/darwin.c (machopic_select_section): Support literal16.
8197 (machopic_select_rtx_section): Ditto.
8198 * config/darwin-sections.def: Ditto.
8199 * config/darwin-64.c: New.
8201 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
8204 * c-tree.h (struct c_arg_info): Add pending_sizes.
8205 * c-parser.c (c_parser_parms_declarator,
8206 c_parser_parms_list_declarator): Initialize pending_sizes.
8207 * c-decl.c (get_parm_info): Initialize pending_sizes.
8208 (get_parm_info): Set pending_sizes.
8209 (grokdeclarator): Call put_pending_sizes for parameters for
8210 function definition only.
8212 2006-09-07 Jason Merrill <jason@redhat.com>
8215 * varasm.c (output_constant): Only strip actual no-op conversions.
8218 * config/i386/i386.c (override_options): Use 128-bit
8219 stack boundary if -msse.
8221 2006-09-07 Eric Christopher <echristo@apple.com>
8223 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
8225 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8228 2006-09-07 Geoffrey Keating <geoffk@apple.com>
8230 * dwarf2out.c: Remove strange characters from comment above
8231 dwarf2out_frame_debug_expr.
8233 2006-09-07 Eric Christopher <echristo@apple.com>
8235 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
8236 * config/darwin.h: ... to here.
8238 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
8240 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8242 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8243 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8245 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8246 TARGET_PARTIAL_FLAG_REG_STALL.
8247 (*ashldi3_cconly_rex64): Likewise.
8248 (*ashlsi3_cmp): Likewise.
8249 (*ashlsi3_cconly): Likewise.
8250 (*ashlsi3_cmp_zext): Likewise.
8251 (*ashlhi3_cmp): Likewise.
8252 (*ashlhi3_cconly): Likewise.
8253 (*ashlqi3_cmp): Likewise.
8254 (*ashlqi3_cconly): Likewise.
8255 (*ashrdi3_cmp_rex64): Likewise.
8256 (*ashrdi3_cconly_rex64): Likewise.
8257 (*ashrsi3_cmp): Likewise.
8258 (*ashrsi3_cconly): Likewise.
8259 (*ashrsi3_cmp_zext): Likewise.
8260 (*ashrhi3_cmp): Likewise.
8261 (*ashrhi3_cconly): Likewise.
8262 (*ashrqi3_cmp): Likewise.
8263 (*ashrqi3_cconly): Likewise.
8264 (*lshrdi3_cmp_rex64): Likewise.
8265 (*lshrdi3_cconly_rex64): Likewise.
8266 (*lshrsi3_cmp): Likewise.
8267 (*lshrsi3_cconly): Likewise.
8268 (*lshrsi3_cmp_zext): Likewise.
8269 (*lshrhi3_cmp): Likewise.
8270 (*lshrhi3_cconly): Likewise.
8271 (*lshrqi2_cmp): Likewise.
8272 (*lshrqi2_cconly): Likewise.
8274 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8277 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8278 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8279 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8280 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8281 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8282 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8283 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8284 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8285 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8286 implement only CC setting effects of shift instructions.
8288 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8290 * doc/contrib.texi: Add myself.
8292 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8295 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8296 was set by the user.
8298 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8301 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8302 (divsi_inv_m1): Use them.
8303 (UNSPEC_DIV_INV_TABLE): New constant.
8305 2006-09-06 James E Wilson <wilson@specifix.com>
8308 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8309 then call count_or_remove_death_notes.
8311 2006-09-06 Jason Merrill <jason@redhat.com>
8314 * tree-inline.c (copy_result_decl_to_var): New fn.
8315 (declare_return_variable): Use it. Call declare_inline_vars here.
8316 (expand_call_inline): Not here.
8318 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8320 * doc/contrib.texi: Update my entry.
8322 2006-09-06 Nick Clifton <nickc@redhat.com>
8324 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8326 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8329 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8330 (canonicalize_induction_variables): Likewise.
8331 (tree_unroll_loops_completely): Likewise.
8332 (tree_ssa_prefetch_arrays): Likewise.
8333 (remove_empty_loops): Likewise.
8334 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8335 TODO_cleanup_cfg instead of directly calling
8336 cleanup_tree_cfg_loop.
8337 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8339 (tree_unroll_loops_completely): Likewise.
8340 (remove_empty_loops): Likewise.
8341 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8342 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8343 of tree_ssa_unswitch_loops.
8344 (tree_ssa_loop_ivcanon): Use the return value of
8345 canonicalize_induction_variables.
8346 (tree_ssa_empty_loop): Use the return value of
8348 (tree_complete_unroll): Use the return value of
8349 tree_unroll_loops_completely.
8350 (tree_ssa_loop_prefetch): Use the return value of
8351 tree_ssa_prefetch_arrays.
8352 * passes.c (execute_todo): Before Cleanup CFG, set
8353 updating_used_alone and after cleanup CFG, call
8354 recalculate_used_alone.
8356 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8359 * tree-vect-transform.c (vectorizable_condition): Move the check
8360 for the type after the check for simple condition.
8362 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8363 Kaz Kojima <kkojima@gcc.gnu.org>
8366 * mode-switching.c (optimize_mode_switching): Make the destination
8367 block of an abnormal edge have no anticipatable mode. Don't
8368 insert mode switching code at the end of the source block of
8371 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8373 PR rtl-optimization/26847
8374 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8375 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8376 (simplify_plus_minus): Count n_constants while filling ops. Replace
8377 qsort with insertion sort. Before going through the array to simplify
8378 pairs, sort it. Delay early exit until after the first sort, exiting
8379 only if no swaps occurred. Simplify pairs in reversed order, without
8380 special-casing the first iteration. Pack ops after simplifying pairs.
8382 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8384 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8385 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8386 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8387 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8389 2006-09-05 Richard Guenther <rguenther@suse.de>
8391 PR tree-optimization/28900
8392 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8393 compound conditional before creating COND_EXPR condition.
8395 2006-09-05 Richard Guenther <rguenther@suse.de>
8397 PR tree-optimization/28905
8398 * tree-vrp.c (fix_equivalence_set): Manually implement
8399 !value_ranges_intersect_p to also handle symbolic ranges.
8401 2006-09-05 Richard Guenther <rguenther@suse.de>
8404 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8407 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8409 PR rtl-optimization/27616
8410 * cse.c (table_size): New static variable.
8411 (new_basic_block): Initialize it to 0.
8412 (remove_from_table): Decrement it.
8413 (insert): Increment it.
8414 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8415 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8416 fold_rtx_mem_1 if under the cap.
8417 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8418 the lookup of the equivalent expression and test for equality of the
8419 first operand of the equivalent expression before in turn looking up
8420 an equivalent constant for the second operand.
8422 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8425 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8426 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8427 pointer, instead of assuming it is possible to derive the
8428 correct args size from a call insn.
8430 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8433 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8434 (fold_builtin_mempcpy): Rename to...
8435 (fold_builtin_memory_op): ... this. Optimize one element copy
8437 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8439 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8440 (expand_builtin_memcpy, expand_builtin_mempcpy,
8441 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8442 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8443 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8444 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8446 2006-09-01 DJ Delorie <dj@redhat.com>
8448 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8449 (stzx_16): Likewise.
8450 ("stzx_24_<mode>"): Likewise.
8451 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8452 ("cmp<mode>_op"): New.
8453 (cmp<mode>): Change to expander; just save operands.
8455 (b<code>): Change to expander, emit compare here.
8456 (s<code>_op): Change to use split and expander.
8457 (s<code>_24_op): Likewise.
8458 (s<code>_<mode>): New.
8459 (s<code>_<mode>_24): New.
8460 (movqicc_<code>_<mode): New.
8461 (movhicc_<code>_<mode>): New.
8464 * config/m32c/m32c.c (compare_op0, compare_op1): New.
8465 (m32c_pend_compare): New.
8466 (m32c_unpend_compare): New.
8467 (m32c_expand_scc): New.
8468 (m32c_expand_movcc): Emit the compare also.
8469 * config/m32c/predicates.md (mra_nopp_operand): New.
8471 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
8472 Richard Guenther <rguenther@suse.de>
8473 Adam Nemet <anemet@caviumnetworks.com>
8476 * builtins.c (get_pointer_alignment): Handle more forms
8477 of base addresses that can be used to derive more precise
8478 information about alignment.
8480 2006-09-01 Jason Merrill <jason@redhat.com>
8483 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
8486 * gimplify.c (voidify_wrapper_expr): Handle null type.
8488 2006-09-01 Josh Conner <jconner@apple.com>
8491 * tree-nrv.c (dest_safe_for_nrv_p): New function.
8492 (execute_return_slot_opt): Use it.
8494 2006-08-31 Josh Conner <jconner@apple.com>
8497 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
8498 returning aggregates.
8500 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
8502 PR tree-optimization/28839
8503 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
8504 blocks in that phi arguments appear.
8506 2006-08-31 Roger Sayle <roger@eyesopen.com>
8509 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
8510 NULL, otherwise use an advance_loc4 to adjust relative to the
8512 (output_cfi) <DW_CFA_set_loc>: Update the current label.
8513 (dwarf2out_switch_text_section): Reset the current label to avoid
8514 using advance_loc4 over section boundaries.
8516 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
8519 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
8520 r12 + SYMBOLIC_CONST.
8522 2006-08-30 Richard Guenther <rguenther@suse.de>
8524 * Makefile.in (see.o): Add $(EXPR_H) dependency.
8526 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
8528 PR rtl-optimization/27735
8529 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
8530 Add new argument to keep track of whether an irreducible region
8531 was affected. All callers changed.
8532 (fix_irreducible_loops): Removed.
8533 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
8534 flags were invalidated.
8536 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
8538 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
8539 instead of SF operands.
8540 (*fop_df_comm_sse): Likewise.
8541 (*fop_df_comm_i387): Likewise.
8542 (*fop_df_1_mixed): Likewise.
8543 (*fop_df_1_sse): Likewise.
8545 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
8546 J"orn Rennecke <joern.rennecke@st.com>
8548 PR tree-optimization/17506
8549 * tree-ssa.c (warn_uninit): If warning about a location outside of
8550 the current function, note where the variable was declared.
8552 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
8554 PR tree-optimization/28411
8555 * double-int.c (double_int_div): Use double_int_divmod.
8556 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
8557 double_int_mod, double_int_smod, double_int_umod): New functions.
8558 * double-int.h (double_int_divmod, double_int_sdivmod,
8559 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
8561 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
8563 (get_computation_aff, get_computation_cost_at): Handle double_int
8564 return type of constant_multiple_of.
8566 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
8569 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
8570 an implicit conversion.
8572 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
8574 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
8576 2006-08-27 Roger Sayle <roger@eyesopen.com>
8578 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
8581 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
8583 * config/i386/crtfastmath.c: Fix a comment typo.
8585 2006-08-26 Roger Sayle <roger@eyesopen.com>
8587 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
8588 temporary visit flags on CASE_LABEL_EXPRs.
8589 * c-common.c (match_case_to_enum): Add function comment. Avoid
8590 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
8591 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
8592 CASE_HIGH_SEEN for enumerated types. If the switch expression is
8593 a constant, only warn if that constant value isn't handled.
8595 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
8598 * input.h (restore_input_file_stack): Declare.
8599 (INPUT_FILE_STACK_BITS): Define.
8600 * toplev.c (fs_p, input_file_stack_history,
8601 input_file_stack_restored, restore_input_file_stack): New.
8602 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
8603 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
8604 (pop_srcloc): Don't free old state of stack.
8606 2006-08-26 David Edelsohn <edelsohn@gnu.org>
8609 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
8610 (PowerPC Type Attributes): New.
8612 2006-08-26 Bob Wilson <bob.wilson@acm.org>
8614 * config/xtensa/xtensa.c (function_arg_boundary): New.
8615 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
8617 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
8618 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
8620 2006-08-26 Jakub Jelinek <jakub@redhat.com>
8623 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
8626 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8628 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
8629 (verify_local_live_at_start): Likewise.
8631 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8634 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
8635 omp_add_variable): Treat sizes as variable whenever not
8638 2006-08-26 Richard Guenther <rguenther@suse.de>
8641 * fold-const.c (fold_binary): Fold temporary to correct
8642 type before constructing new comparison.
8644 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
8647 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
8648 variable again if DECL_SEEN_IN_BIND_EXPR_P.
8650 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8653 * c-decl.c (start_function): Don't try to process prototype
8654 information from old declaration that isn't a function.
8656 2006-08-25 Jan Hubicka <jh@suse.cz>
8659 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
8661 2006-08-25 Alan Modra <amodra@bigpond.net.au>
8664 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
8667 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
8669 PR tree-optimization/16876
8670 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
8671 exit if PARM doesn't match VALUE.
8673 2006-08-25 Bob Wilson <bob.wilson@acm.org>
8675 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
8676 literal_prefix directive.
8677 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
8678 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8679 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8681 2006-08-25 David Edelsohn <edelsohn@gnu.org>
8684 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
8685 predicate to general_operand. Add 0->y and I->r alternatives.
8687 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
8689 * doc/tm.texi: Fix a typo.
8690 * predict.c: Fix comment typos.
8692 2006-08-25 Nick Clifton <nickc@redhat.com>
8694 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
8695 assertions of "cpu" and "machine".
8697 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
8700 * tree-ssa-operands.c (access_can_touch_variable): Don't say
8701 the access through a base which has an alias set of 0 cannot
8704 2006-08-24 Bill Wendling <wendling@apple.com>
8706 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
8708 2006-08-24 Jan Hubicka <jh@suse.cz>
8710 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
8712 2006-08-24 Jan Hubicka <jh@suse.cz>
8715 * cgraph.c: Fix comments.
8716 (cgraph_varpool_mark_needed_node): Mark only variables not already
8718 * cgraphunit.c: Update comments; include gt-cgraphunit.h
8719 (cgraph_varpool_assembled_nodes_queue): New static variable.
8720 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
8721 (cgraph_varpool_output_debug_info): New function.
8722 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
8723 * Makefile.in: Add gt-cgraphunit.h
8725 2006-08-24 Jan Hubicka <jh@suse.cz>
8727 * predict.c (probability_reliable_p): New predicate.
8728 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
8729 (predict_loops): Do not predict loop exit with less than 2%
8731 * basic-block.h (edge_probability_reliable_p,
8732 br_prob_note_reliable_p): Declare.
8733 * ia64.h (ia64_print_operand): Do not disable on-chip branch
8734 prediction when static predictor is not reliable.
8735 * rs6000.c (output_cbranch): Likewise.
8737 2006-08-23 Stuart Hastings <stuart@apple.com>
8740 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
8741 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
8743 2006-08-21 Geoffrey Keating <geoffk@apple.com>
8746 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
8747 complex values, nor for generic vector values.
8749 2006-08-22 Richard Guenther <rguenther@suse.de>
8752 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
8753 parameter. Convert arguments to arithmetic expression to the
8755 (analyze_scalar_evolution_1): Adjust caller.
8757 2006-08-22 Jan Hubicka <jh@suse.cz>
8759 Patch by Paolo Bonzini
8760 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
8763 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
8765 PR tree-optimization/28003
8766 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
8767 before grouping aliases.
8769 2006-08-22 Roger Sayle <roger@eyesopen.com>
8771 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
8772 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
8774 2006-08-21 Jason Merrill <jason@redhat.com>
8777 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
8778 wrapper. Loop to handle nested wrappers.
8779 (gimplify_bind_expr): Remove temp parameter.
8780 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
8781 and STATEMENT_LIST on the rhs.
8782 (gimplify_statement_list): Voidify the STATEMENT_LIST.
8783 (gimplify_expr): Pass pre_p to gimplify_statement_list.
8784 (gimplify_target_expr): Remove special BIND_EXPR handling.
8786 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
8788 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
8791 2006-08-21 Olivier Hainque <hainque@adacore.com>
8793 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
8794 Arrange for the temporary captures of components overlapping the lhs
8795 to happen before the lhs is possibly cleared.
8797 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
8799 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
8800 necessary places to pass the correct "number of registers" values
8803 2006-08-20 Jan Hubicka <jh@suse.cz>
8805 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
8806 (create_name_tags): Instead of quadratic checking use hashtable.
8807 * bitmap.h: Include hashtab.h.
8808 (bitmap_hash): Declare.
8809 * bitmap.c (bitmap_hash): New function.
8811 2006-08-20 Jan Hubicka <jh@suse.cz>
8813 PR rtl-optimization/28071
8814 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
8816 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
8817 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
8818 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
8819 cgraph_decide_inlining_incrementally): Update use of
8820 cgraph_check_inline_limits.
8821 * cgraph.c (edge_hash, edge_eq): New function.
8822 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
8823 cgraph_edge_remove_caller, cgraph_node_remove_callees,
8824 cgraph_remove_node): Maintain call site hash.
8825 * cgraph.h (struct cgraph_node): Add call_site_hash.
8826 (cgraph_set_call_stmt): New function.
8828 2006-08-20 Jan Hubicka <jh@suse.cz>
8830 PR rtl-optimization/28071
8831 * reload1.c (reg_has_output_reload): Turn into regset.
8832 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
8833 choose_reload_regs, emit_reload_insns): Update to new
8834 reg_has_output_reload.
8836 2006-08-20 Jan Hubicka <jh@suse.cz>
8839 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
8840 function body sizes.
8841 * cgraphunit.c (cgraph_analyze_function): Don't do so.
8843 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
8846 * tree.c (handle_dll_attribute): Return early if not a
8847 var or function decl.
8849 2006-08-18 Joseph Myers <joseph@codesourcery.com>
8852 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
8853 alignment of SPE vector types.
8855 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
8857 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
8859 2006-08-17 Jakub Jelinek <jakub@redhat.com>
8862 * cgraph.h (struct cgraph_node): Remove externally_visible
8864 * cgraphunit.c (process_function_and_variable_attributes): Set
8865 local.externally_visible rather than externally_visible.
8868 * c-common.c (handle_externally_visible_attribute): First look
8869 at TREE_CODE and only if it is function or var decl, check for
8870 non-public objects. Don't warn for DECL_EXTERNAL.
8871 * cgraphunit.c (process_function_and_variable_attributes): Warn
8872 if externally_visible attribute is used on non-public object.
8874 2006-08-17 Jan Hubicka <jh@suse.cz>
8876 PR tree-optimization/27865
8877 * reload1.c (forget_marked_reloads): New function.
8878 (forget_old_reloads_1): When data are passed, just mark the registers
8880 (reload_as_needed): Use the new mechanizm.
8882 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
8885 * reload.h (reg_equiv_alt_mem_list): New declaration.
8886 * reload1.c (reg_equiv_alt_mem_list): New definition.
8887 (reload): Initialize it and release it.
8888 (delete_output_reload): Use it.
8889 * reload.c (push_reg_equiv_alt_mem): New function.
8890 (find_reloads_toplev): Call it.
8891 (find_reloads_address, find_reloads_address_1): Likewise.
8892 (find_reloads_subreg_address): Likewise.
8894 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8896 PR rtl-optimization/28489
8897 * sched-ebb.c (begin_schedule_ready): Create basic block
8899 (advance_target_bb): Skip empty blocks.
8900 * haifa-sched.c (bb_note): Make global.
8901 * sched-int.h (bb_note): Add prototype.
8903 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8905 PR tree-optimization/27865
8906 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
8908 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
8909 fold_used_pointer, pointer_used_p): New functions.
8910 (analyze_scalar_evolution_1): Use fold_used_pointer.
8911 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
8912 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
8915 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
8918 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
8919 or the INTEGER_CST. Fail on a CALL_EXPR.
8920 (fold_offsetof): Pass new argument to fold_offsetof_1.
8921 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
8922 operand into an INDIRECT_REF.
8923 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
8925 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8927 PR gcov/profile/26570
8928 * value-prof.c (static_values): Removed.
8929 (tree_find_values_to_profile): Do not set static_values.
8930 (find_values_to_profile): Do not free static_values.
8931 * profile.c (instrument_values): Do not free the values.
8932 (branch_prob): Free the values.
8934 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
8936 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
8938 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
8941 * c-typeck.c (build_component_ref): Combine qualifiers of
8942 structure or union and field.
8944 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8946 PR rtl-optimization/28071
8947 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
8948 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
8949 * tree-into-ssa.c (struct dom_dfsnum): New.
8950 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
8952 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
8953 compute_global_livein.
8954 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
8955 in phi nodes in the correct blocks.
8957 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8959 PR tree-optimization/28364
8960 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
8962 (fold_affine_expr): New function.
8963 (may_eliminate_iv): Use fold_affine_expr.
8965 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8968 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
8971 2006-08-16 Mike Stump <mrs@apple.com>
8973 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
8974 * doc/cppopts.texi (-MD): Likewise.
8976 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
8979 * c-common.c (handle_weak_attribute): Ignore and warn if
8980 not a FUNCTION_ or VAR_DECL.
8982 2006-07-15 Mike Stump <mrs@apple.com>
8985 * c-parser.c (c_parser_typeof_specifier): Don't use
8986 c_finish_expr_stmt, open code desired semantics instead.
8988 2006-08-15 Nick Clifton <nickc@redhat.com>
8990 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
8991 fragment to tmake_file only if threads are enabled.
8992 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
8993 * config/i386/t-gthr-win32: New file. ... here.
8995 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8998 * c-parser.c (c_parser_compound_statement_nostart): Reset
8999 parser->error after each statement.
9001 2006-08-15 Jakub Jelinek <jakub@redhat.com>
9004 * omp-low.c (lower_omp_parallel): Convert t to
9005 receiver_decl's type.
9006 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9007 source before comparison.
9010 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9011 to itype in assignment to oldival2.
9013 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
9017 * c-typeck.c (build_compound_expr): If the second expression
9018 is an error mark, then just return an error mark instead of
9019 creating a COMPOUND_EXPR.
9021 2006-07-14 Mike Stump <mrs@apple.com>
9023 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9025 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
9027 * c-decl.c, var-tracking.c: Fix comment typos.
9029 2006-08-14 Richard Sandiford <richard@codesourcery.com>
9031 PR rtl-optimization/28634
9032 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9033 for floating-point modes unless flag_unsafe_math_optimizations.
9035 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
9036 Andrew Pinski <pinskia@physics.uc.edu>
9039 * tree.c (build_array_type): Unify array types with
9040 unspecified index_type.
9041 * c-decl.c (grokdeclarator): Make sure we do not modify a
9042 unified incomplete array type.
9043 * c-typeck.c (store_init_value): Create distinct type before
9044 filling in the index type in an initializer from a compound
9047 * c-decl.c (grokdeclarator): Remove code where we copy the
9050 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
9052 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9053 into account for TODO_dump_cgraph.
9054 (TODO_update_ssa_no_phi): Likewise.
9055 (TODO_update_ssa_full_phi): Likewise.
9056 (TODO_update_ssa_only_virtuals): Likewise.
9057 (TODO_remove_unused_locals): Likewise.
9058 (TODO_set_props): Likewise.
9059 (TODO_update_stmt_usage): Likewise.
9061 2006-08-13 Dirk Mueller <dmueller@suse.de>
9063 * c-common.c (strict_aliasing_warning): Fix formatting.
9065 2006-08-13 Matthias Klose <doko@debian.org>
9067 * doc/invoke.texi: Fix spelling errors.
9069 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9071 PR rtl-optimization/23454
9072 * reorg.c (relax_delay_slots): Update comment.
9074 2006-08-11 Richard Guenther <rguenther@suse.de>
9077 * simplify-rtx.c (simplify_const_relational_operation):
9078 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9081 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
9083 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9084 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9086 2006-08-10 Paul Brook <paul@codesourcery.com>
9088 * final.c (final_scan_insn): Clear current_insn_predicate before
9089 outputting inline asm.
9091 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
9093 PR tree-optimization/26197
9094 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
9095 get_ref_base_and_extent and overlap_subvar to add only relevant
9096 subvars as may-aliases.
9097 (add_may_alias_for_new_tag): New function, factored out of
9099 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
9100 with additional argument.
9101 * tree-flow.h (new_type_alias): Takes additional argument.
9103 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
9105 * gcov.c (no_data_file): New flag.
9106 (read_count_file): Set it if data file not present. Assume counts
9108 (output_lines): Don't name the data file, if there wasn't one.
9110 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
9112 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
9113 (rs6000_generate_compare): Tweak comments.
9114 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
9116 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
9118 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
9119 (var_debug_decl): New function.
9120 (var_reg_set): Follow debug decl link. Add location even if
9121 reg is already known to hold some other variable.
9122 (var_mem_set): Follow debug decl link.
9123 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
9124 decl link. Delete other known locations of the variable part
9126 (var_reg_delete, var_mem_delete): Delete other known locations
9127 of the variable part if requested.
9128 (same_variable_part_p): New function.
9129 (add_stores): Select MO_COPY when appropriate.
9130 (vt_initialize): Handle it.
9131 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
9132 known locations for MO_SET and MO_CLOBBER.
9133 (find_variable_location_part): New function.
9134 (set_variable_part, delete_variable_part): Use it.
9135 (clobber_variable_part): New function.
9136 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
9139 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
9141 PR tree-optimization/26969
9142 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
9143 with an empty list of PHIs.
9145 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
9149 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9152 2006-08-06 Andreas Schwab <schwab@suse.de>
9154 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
9155 string. Whitespace and comment fixup.
9157 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9160 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
9164 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
9167 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9169 2006-08-04 Jan Hubicka <jh@suse.cz>
9173 * reload.c (push_reload): Patch out the mismatching instruction;
9175 (find_reload): Bail out if the instruction was patched out.
9177 2006-08-04 Jan Hubicka <jh@suse.cz>
9179 PR tree-optimization/24888
9180 * tree-inline.c (expand_call_inline): Do not re-record variables.
9181 (declare_inline_vars): Add variable to unexpanded_var_list.
9183 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9184 Roger Sayle <roger@eyesopen.com>
9186 PR rtl-optimization/26244
9187 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
9188 inner_const are negative or greater than or equal to the bitsize of
9189 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
9190 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
9191 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
9192 CONST0_RTX (mode) when the new shift count is greater than or equal to
9193 to the bitsize of the object being shifted and XEXP (y, 0) has no side
9196 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
9198 * tree-cfg.c: Fix a comment typo.
9200 2006-08-03 Mark Mitchell <mark@codesourcery.com>
9203 * varasm.c (output_constant): Give the front end another chance to
9204 expand constants, after stripping NOPs.
9206 2006-08-03 Jan Hubicka <jh@suse.cz>
9208 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
9211 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
9213 PR tree-optimization/27770
9214 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
9215 declaration removed (moved to tree-flow.h).
9216 (vect_can_force_dr_alignment_p): Likewise.
9217 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
9218 (moved from tree-vectorizer.h).
9219 (vect_can_force_dr_alignment_p): Likewise.
9220 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
9221 from outside the vectorizer - in particular from cgraph stage.
9222 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
9223 the alignment of global arrays when -fsection-anchors is enabled.
9224 * cgraphunit.c (cgraph_increase_alignment): New function.
9225 (cgraph_optimize): Call cgraph_increase_alignment.
9227 2006-08-03 David Edelsohn <edelsohn@gnu.org>
9230 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
9231 not reload a SPE symbol_ref into a lo_sum address.
9233 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
9236 * dwarf2out.c (prune_unused_types_prune): Move call to
9237 prune_unused_types_update_strings to cover the parent DIE also.
9239 2006-08-02 Jan Hubicka <jh@suse.cz>
9241 PR gcov/profile/28480
9242 * tree-cfg.c (change_bb_for_stmt): New function.
9243 (tree_merge_blocks, tree_split_blocks): Use it.
9245 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9251 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9252 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9253 (cgraph_optimize): Likewise.
9255 2006-08-01 Stuart Hastings <stuart@apple.com>
9257 * rtl.h (UINTVAL) New.
9258 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9259 * testsuite/gcc.dg/20060801-1.c: New.
9261 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9264 * c-typeck.c (build_external_type): Mark used enum types.
9265 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9267 (gen_subprogram_die): Whitespace fix.
9269 2006-08-01 Jan Hubicka <jh@suse.cz>
9271 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9272 bitmap when not needed.
9273 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9276 2006-08-01 Dirk Mueller <dmueller@suse.de>
9278 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9280 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9282 * Makefile.in: Revert part of previous patch:
9283 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9286 2006-07-30 Eric Christopher <echristo@apple.com>
9289 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9290 (PowerPC Variable Attributes): New section.
9292 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9294 PR target/28126 (partial fix)
9295 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9297 2006-07-28 Jan Hubicka <jh@suse.cz>
9299 PR rtl-optimization/28071
9300 * cfgrtl.c (rtl_delete_block): Free regsets.
9301 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9303 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9305 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9306 and variables used in dependencies.
9308 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9310 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9311 %fs for -mcmodel=kernel.
9312 (stack_tls_protect_test_di): Likewise.
9314 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9316 * Makefile.in: Use mkinstalldirs.
9318 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9321 * opts-common.c (prune_options): Skip joined switches.
9323 2006-07-27 Jan Hubicka <jh@suse.cz>
9325 PR rtl-optimization/28071
9326 * cselib.c (cselib_process_insn): Don't remove useless values too
9327 often for very large hashtables.
9329 2006-07-27 Jan Hubicka <jh@suse.cz>
9331 PR rtl-optimization/28071
9332 * global.c (greg_obstack): New obstack.
9333 (allocate_bb_info): Use it.
9334 (free_bb_info): Likewise.
9335 (modify_reg_pav): Likewise.
9337 2006-07-27 Roger Sayle <roger@eyesopen.com>
9339 * builtins.c (fold_fixed_mathfn): When long and long long are the
9340 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9341 functions to their lceil*, lfloor*, lround* and lrint* forms.
9343 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9346 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9348 (rev_branch_insn): Likewise.
9350 2006-07-27 Jan Hubicka <jh@suse.cz>
9352 PR rtl-optimization/28071
9353 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9354 (reg_set_in_bb, max_reg_computed): New static variables.
9355 (regmove_optimize): Free the new array.
9356 (fixup_match_1): Update call of reg_is_remote_constant_p.
9358 2006-07-26 Jan Hubicka <jh@suse.cz>
9360 PR tree-optimization/27882
9361 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9363 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9365 (cgraph_analyze_compilation_unit): Likewise.
9366 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9367 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9368 (cgraph_early_inlinine): Make order garbage collected.
9369 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9371 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9373 * dbxout.c (output_types_sort): Add a comment.
9374 (output_used_types): Free the VEC.
9376 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9378 * function.c (reorder_fix_fragments): Delete.
9379 (reorder_blocks): Don't call it.
9380 (reorder_blocks_1): Put all subblocks under the origin block.
9382 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9384 PR rtl-optimization/27907
9385 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9388 2006-07-25 Roger Sayle <roger@eyesopen.com>
9391 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9392 bar(x) check that bar's result type can represent all the values of T.
9394 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9396 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9398 2006-07-25 Nick Clifton <nickc@redhat.com>
9400 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9401 size_lookup[] array.
9402 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9403 (ggc_pch_count_object): Likewise.
9404 (ggc_pch_alloc_object): Likewise.
9405 (ggc_pch_write_object): Likewise.
9406 (init_ggc): Do not attempt to initialize entries in the
9407 size_lookup[] array for objects whose size is greater than than
9408 the length of the array.
9410 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9412 * dbxout.c (output_used_types_helper): Push queued types
9414 (output_types_sort): New.
9415 (output_used_types): Collect used types on a VEC and sort them
9418 2006-07-24 Richard Guenther <rguenther@suse.de>
9421 * cgraph.c (cgraph_remove_node): Do not check if dumps
9423 * cgraphunit.c (cgraph_optimize): Likewise.
9425 2006-07-24 Jan Hubicka <jh@suse.cz>
9427 PR rtl-optimization/28071
9428 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9429 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9430 splitting before first stmt.
9432 2006-07-24 Jan Hubicka <jh@suse.cz>
9434 PR rtl-optimization/28071
9435 * ipa-inline.c (update_caller_keys): Remove edges that
9436 are no longer inline candidates.
9438 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9441 * dbxout.c (output_used_types_helper, output_used_types): New.
9442 (dbxout_symbol): Call output_used_types.
9444 2006-07-23 Jan Hubicka <jh@suse.cz>
9448 * cgraph.c (cgraph_varpool_nodes): Export.
9449 (decide_is_variable_needed): Ignored "used" attribute in
9450 unit-at-a-time mode.
9451 * cgraph.h (cgraph_varpool_nodes): Declare.
9452 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
9453 unit-at-a-time mode.
9455 2006-07-23 Roger Sayle <roger@eyesopen.com>
9458 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
9459 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
9460 the __gthrw form of thr_keycreate.
9461 (__gthread_key_delete): Silence the unused argument warning.
9463 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
9466 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
9467 Cache the last found '\0' marker to avoid quadratic behavior.
9469 2006-07-23 Jan Hubicka <jh@suse.cz>
9471 * i386.md (subsi_3_zext): Fix output template.
9473 2006-07-21 Mike Stump <mrs@apple.com>
9475 * doc/invoke.texi (C++ Dialect Options): Note that
9476 -fvisibility-inlines-hidden doesn't affect explicitly
9477 instantiationed inline methods.
9479 2006-07-20 Roger Sayle <roger@eyesopen.com>
9481 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
9482 if the target assembler is GNU binutils' gas.
9483 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
9484 whether to pass GNU gas or native as command line options.
9486 2006-07-20 Jason Merrill <jason@redhat.com>
9488 * tree.c (remove_attribute): New fn.
9489 * tree.h: Declare it.
9491 2006-07-20 Paul Brook <paul@codesourcery.com>
9494 * cse.c (cse_insn): Add destination addresses to hash table. Check if
9495 they are invalidated by this instruction.
9497 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
9500 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
9502 2006-07-20 Eric Christopher <echristo@apple.com>
9505 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
9507 2006-07-19 Eric Christopher <echristo@apple.com>
9509 * config/t-slibgcc-darwin (stmp-lipo): Remove.
9510 Rewrite dependencies for libgcc_s.1.dylib.
9512 2006-07-19 Jakub Jelinek <jakub@redhat.com>
9514 * except.c (duplicate_eh_regions_1): Clear next_peer.
9516 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
9518 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
9519 -mlongcall does not guarantee all calls will be long.
9520 * doc/extend.texi (long_call/short_call): Document that longcall
9521 does not guarantee a long call will be used.
9522 (longcall/shortcall): Likewise.
9524 2006-07-18 Roger Sayle <roger@eyesopen.com>
9527 * expmed.c (expand_shift): Additionally check that the shift_cost
9528 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
9529 before implementing a LSHIFT_EXPR as a sequence of additions.
9530 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
9531 middle-end that DImode shifts need to be synthesized by expand.
9533 2006-07-18 Diego Novillo <dnovillo@redhat.com>
9536 * tree-ssa-operands.c (access_can_touch_variable): Update
9538 Return true if ALIAS is .GLOBAL_VAR.
9540 2006-07-18 David Daney <ddaney@avtrex.com>
9542 * gcc.c (display_help): Fix typo in help text.
9544 2006-07-18 Olivier Hainque <hainque@adacore.com>
9546 * tree.h (categorize_ctor_elements): Adjust prototype and add
9547 descriptive comment, both in accordance with the interface change
9549 * varasm.c (constructor_static_from_elts_p): New function.
9550 Whether a constructor node is a valid static constant initializer
9551 if all its elements are.
9552 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
9553 * output.h: Declare it.
9554 * expr.c (categorize_ctor_elements_1): Return whether the constructor
9555 is a valid constant initializer instead of computing the number of
9556 non-constant elements. Use constructor_static_from_elts_p for this
9557 purpose. Replace the head comment with an indication that this is a
9558 helper for categorize_ctor_elements.
9559 (categorize_ctor_elements): Same interface change as for the _1
9560 helper. Former head comment from this helper moved here, adjusted to
9561 account for the interface changes.
9562 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
9563 (all_zeros_p): Likewise.
9564 * gimplify.c (gimplify_init_constructor): Decide whether we can make
9565 static versions of the constructor from the categorize_ctor_elements
9566 return value instead of the formerly computed number of non-constant
9569 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
9571 * configure: Regenerate.
9572 * Makefile.in (build_libsubdir): New configure substitution
9573 (build_libobjdir): New variable.
9574 (BUILD_LIBIBERTY): Use it.
9576 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9579 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
9581 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
9584 * c-common.c (handle_weakref_attribute): Ignore attribute in
9585 the same conditions the alias attribute is ignored.
9587 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
9589 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
9590 (dbxout_begin_prologue): Increment scope_labelno.
9592 2006-07-17 Richard Henderson <rth@redhat.com>
9595 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
9598 2006-07-17 Roger Sayle <roger@eyesopen.com>
9599 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9601 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
9602 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
9603 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
9604 functions such as sbrk, write, etc.. Add function prototypes.
9605 Convert function declarations from K&R to ISO C. Cast pointers
9606 to "long" and "unsigned long" instead of "int" and "unsigned int".
9607 Convert tokens following #endif into comments.
9609 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
9611 * invoke.texi: Remove mention of f77; Reformat table for
9612 inline parameter options correctly; mention that -malign-double
9613 is default on x86-64 targets.
9615 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
9617 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
9618 (convert_affine_scev, chrec_convert_aggressive): Use
9619 avoid_arithmetics_in_type_p. Do not check for the subtypes
9622 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9625 * optabs.c (expand_doubleword_shift): Wrap the call to
9626 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
9628 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9631 * optabs.c (expand_binop): Pass next_methods rather than methods
9632 to expand_doubleword_shift.
9634 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
9637 * tree.h (dump_addr): Declare.
9638 * print-tree.c (dump_addr): New function.
9639 (print_node_brief, print_node): Use it.
9640 * print-rtl.c (print_rtx): Likewise.
9641 * common.opt (-fdump-noaddr): New option.
9642 * doc/invoke.texi (-fdump-noaddr): Document.
9643 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
9644 (ve_info_hash): Likewise.
9646 2006-07-13 Andrew Haley <aph@redhat.com>
9648 PR tree-optimization/19505
9649 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
9650 edge leaving this block, make sure that the destination of this
9651 block has only one predecessor.
9653 2006-07-17 Richard Guenther <rguenther@suse.de>
9655 PR tree-optimization/28238
9656 * tree-inline.c (copy_bb): Check if we produced valid
9657 gimple copying and substituting a stmt. If not, gimplify
9660 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
9662 * optabs.c (maybe_encapsulate_block): New function extracted from...
9663 (emit_libcall_block): ...here. Invoke it on the block of insns to
9664 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
9665 (emit_no_conflict_block): Likewise.
9667 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9669 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
9671 2006-07-15 Roger Sayle <roger@eyesopen.com>
9673 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
9674 a new NOP_EXPR case of the switch statement.
9676 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
9679 * stor-layout.c (place_field): Take the bit field with
9680 an excessive size into account in the ms-bitfiled case.
9683 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
9684 the previous bit field.
9686 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
9689 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
9691 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
9693 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
9694 signal frames correctly even when the signal was installed with
9697 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
9699 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
9700 (dbxout_function_end): Use local label LFBB. Remove hook
9702 (dbxout_source_line): Use local label LFBB.
9703 (dbxout_block): Likewise.
9704 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
9705 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
9706 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
9707 and DBX_OUTPUT_NFUN.
9709 2006-07-13 Janis Johnson <janis187@us.ibm.com>
9711 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
9713 2006-07-13 Jan Hubicka <jh@suse.cz>
9715 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
9717 * output.h (align_variable): Declare.
9718 * varasm.c (align_variable): Export.
9719 * value-prof.c (tree_value_profile_transformations): Recompute iterator
9720 when basic block changed.
9722 2006-07-13 Nick Clifton <nickc@redhat.com>
9724 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
9725 walking the LOG_LINKS chain.
9727 2006-07-12 Geoffrey Keating <geoffk@apple.com>
9729 * doc/invoke.texi (C++ Dialect Options): Explain difference
9730 between -fvisibility-inlines-hidden and setting hidden
9731 visibility explicitly.
9733 2006-07-12 Eric Christopher <echristo@apple.com>
9735 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
9736 (stmp-lipo): Depend on libgcc.a.
9738 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
9740 * tree.c: Fix a comment typo.
9742 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
9744 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
9746 (umulhisi3_r): Likewise.
9748 2006-07-12 Paolo Carlini <pcarlini@suse.de>
9751 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
9752 x < 19, vs wchar_t support.
9754 2006-07-12 Nick Clifton <nickc@redhat.com>
9756 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
9757 instead of -isa=sh4.
9759 2006-07-12 Mike Stump <mrs@apple.com>
9761 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
9763 2006-07-10 Eric Christopher <echristo@apple.com>
9765 * config/t-slibgcc-darwin: Rewrite.
9767 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
9770 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
9773 2006-07-08 Matthias Klose <doko@debian.org>
9775 * doc/sourcebuild.texi: Fix typo.
9777 2006-07-07 Mike Stump <mrs@apple.com>
9779 * toplev.c (process_options): Don't give -ffunction-sections may
9780 affect debugging warning for Mach-O.
9782 2006-07-07 James E Wilson <wilson@specifix.com>
9784 * config/mips/mips.md (cpu): Add sb1a.
9785 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
9786 addition to sb1. Adjust comments to clarify SB-1A differences from
9788 (ir_sb1a_load): New. Modify bypasses to use it.
9789 (ir_sb1a_simple_alu): Likewise.
9790 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
9791 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
9792 (mips_issue_rate): Add PROCESSOR_SB1A.
9793 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
9794 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
9795 (TARGET_SB1): Add PROCESSOR_SB1A check.
9796 (TUNE_SB1): Likewise.
9798 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
9799 * config/mips/mips.c (mips_store_data_bypass_p): New.
9800 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
9801 store_data_bypass_p.
9803 2006-07-08 Paul Brook <paul@codesourcery.com>
9806 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
9808 2006-07-07 Richard Guenther <rguenther@suse.de>
9811 * tree.h (build_one_cst): Declare.
9812 * tree.c (build_one_cst): New function.
9813 * tree-ssa-math-opts.c (get_constant_one): Remove.
9814 (insert_reciprocals): Use build_one_cst.
9815 * fold-const.c (fold_plusminus_mult): Likewise.
9817 2006-07-07 Roger Sayle <roger@eyesopen.com>
9819 * pointer-set.c (pointer_set_destroy): Correct whitespace.
9820 * cfgloopanal.c (dump_graph): Likewise.
9821 * dojump.c (discard_pending_stack_adjust): Likewise.
9822 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
9824 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
9825 * function.c (finalize_block_changes): Likewise.
9826 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
9827 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
9828 * rtl.c (dump_rtx_statistics): Likewise.
9829 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
9831 * varray.c (dump_varray_statistics): Likewise.
9832 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
9833 decode_decimal64, encode_decimal128, decode_decimal128,
9834 decimal_real_to_decimal): Likewise.
9836 2006-07-07 Richard Guenther <rguenther@suse.de>
9838 PR tree-optimization/28187
9839 * tree-vrp.c (vrp_operand_equal_p): New function.
9840 (vrp_bitmap_equal_p): Likewise.
9841 (update_value_range): Use them to compare old and new
9844 2006-07-06 Roger Sayle <roger@eyesopen.com>
9846 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
9847 a default case to switch statement to silence compiler warnings.
9849 2006-07-06 Roger Sayle <roger@eyesopen.com>
9852 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
9853 the configured assembler supports the x87's ffreep mnemonic.
9854 * configure: Regenerate.
9855 * config.in: Regenerate.
9857 * config/i386/i386.c (output_387_ffreep): New function.
9858 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
9859 (output_387_reg_move): Likewise.
9861 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
9863 Port to hosts whose 'sort' and 'tail' implementations
9864 treat operands with leading '+' as file names, as POSIX
9865 has required since 2001. However, make sure the code still
9866 works on pre-POSIX hosts.
9867 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
9868 which says you should use "tail -c +N" rather than "tail +Nc".
9869 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
9871 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9873 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
9876 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9879 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
9880 PRE_{INC,DEC} of TFmode.
9882 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9883 Alan Modra <amodra@bigpond.net.au>
9886 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
9889 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9892 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
9893 Remove duplicate gtu.
9895 2006-07-05 Jason Merrill <jason@redhat.com>
9899 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
9900 * c-common.c (handle_packed_attribute): So don't copy it here.
9901 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
9903 2006-07-05 Mike Stump <mrs@apple.com>
9905 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
9907 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
9910 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
9912 2006-07-05 Richard Guenther <rguenther@suse.de>
9915 * config/i386/i386.md (*negdf2_1): Restrict pattern to
9916 TARGET_SSE2 targets if using SSE math.
9917 (*absdf2_1): Likewise.
9919 2006-07-05 Richard Guenther <rguenther@suse.de>
9921 PR tree-optimization/28162
9922 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
9923 make sure to convert the operands to the correct type.
9925 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
9927 PR tree-optimization/28218
9929 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
9930 to calculate and free the dominator information.
9932 2006-07-04 Peter O'Gorman <peter@pogma.com>
9934 * mklibgcc.in: chmod 644 before ranlib during install.
9936 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
9937 J"orn Rennecke <joern.rennecke@st.com>
9939 * configure.ac (.eh_frame data check): Use diff -b.
9941 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
9944 * Makefile.in (BUILD_RTL): Add build/vec.o.
9945 (build/gencondmd.o): Filter out -fkeep-inline-functions.
9946 (build/genextract): Delete.
9947 (build/genautomata): Likewise.
9949 2006-07-04 Alan Modra <amodra@bigpond.net.au>
9952 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
9953 128-bit IBM long doubles for ABI_V4.
9955 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
9957 * tree.c (range_in_array_bounds_p): New predicate.
9958 * tree.h (range_in_array_bounds_p): Declare it.
9959 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
9960 return a less conservative answer.
9961 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
9962 and flag 'is_group'.
9963 (IS_ELEMENT_FOR_GROUP): New macro.
9964 (FOR_EACH_ACTUAL_CHILD): Likewise.
9965 (next_child_for_group): New helper function.
9966 (can_completely_scalarize_p): Take into account groups.
9967 (sra_hash_tree): Handle RANGE_EXPR.
9968 (sra_elt_eq): Likewise.
9969 (lookup_element): Be prepared for handling groups.
9970 (is_valid_const_index): Delete.
9971 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
9972 instead of is_valid_const_index.
9973 <ARRAY_RANGE_REF>: New case.
9974 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
9975 is_valid_const_index.
9976 <ARRAY_RANGE_REF>: Do not unconditionally punt.
9977 (scan_dump): Dump info for groups too.
9978 (decide_instantiation_1): Likewise.
9979 (decide_block_copy): Assert that the element is not a group.
9980 Propagate decision to groups.
9981 (generate_one_element_ref): Handle RANGE_EXPR.
9982 (mark_no_warning): Iterate over actual childs.
9983 (generate_copy_inout): Likewise.
9984 (generate_element_copy): Likewise.
9985 (generate_element_zero): Likewise.
9986 (generate_element_init_1): Likewise.
9987 (dump_sra_elt_name): Handle RANGE_EXPR.
9989 2006-07-03 Roger Sayle <roger@eyesopen.com>
9991 PR tree-optimization/26251
9992 * tree-ssa-threadupdate.c (redirection_block_p): New function.
9993 (thread_block): When optimizing for size refuse to thread jumps
9994 that would require duplication of blocks other than redirection
9997 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9999 * configure.ac: Fix thinko in previous check-in.
10000 * configure: Regenerate.
10002 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10005 * configure.ac (for lang...): Simplify nesting of conditionals.
10006 Test subdir_requires for non-enabled languages. Move processing
10007 of lang_opt_files and lang_tree_fiels below that test.
10008 * configure: Regenerate.
10009 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10011 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
10013 * doc/gcov.texi (Invoking Gcov): Add a missing word.
10015 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
10017 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10020 2006-06-29 Jason Merrill <jason@redhat.com>
10027 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10028 * c-common.c (c_determine_visibility): Handle it here.
10029 * c-decl.c (finish_decl): Call c_determine_visibility for
10031 * flags.h (enum symbol_visibility): Sort from most to least visibility.
10032 * tree.h: Likewise.
10033 * varasm.c (default_assemble_visibility): Likewise.
10034 * c-common.c (handle_visibility_attribute): Complain about trying
10035 to give visibility to an already defined class, or trying to change
10036 declared visibility. Always attach the attribute.
10041 * attribs.c (decl_attributes): Ignore type-in-place attributes
10042 once the type has been defined.
10044 2006-06-29 Roger Sayle <roger@eyesopen.com>
10046 PR middle-end/27428
10047 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10048 to indicate the cpplib has issued an error message for us.
10050 2006-06-29 Asher Langton <langton2@llnl.gov>
10053 * config/i386/i386.c (ix86_output_function_epilogue): Don't
10054 insert a label at the end of an function under Mach-O.
10056 2006-06-29 Eric Christopher <echristo@apple.com>
10057 Evan Cheng <evan.cheng@apple.com>
10059 * predicates.md (vector_all_ones_operand): New.
10060 (nonimmediate_or_sse_const_operand): Ditto.
10061 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10062 * config/i386/i386.c (standard_sse_constant_opcode): Define.
10063 (standard_sse_mode_p): Ditto.
10064 (standard_sse_constant_p): Add case for -1 vector.
10065 (ix86_expand_vector_move): Try to use.
10066 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10067 Call standard_sse_constant_opcode.
10068 (*movv4sf_internal): Ditto.
10069 (*movv2df_internal): Ditto.
10071 2006-06-29 Roger Sayle <roger@eyesopen.com>
10073 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10074 of XEXP to extract the operands of a MATCH_CODE rtx.
10076 2006-06-28 Andrew Pinski <pinskia@gmail.com>
10078 * tree.c (tree_size): Do not waste tail padding in
10079 struct tree_string and make the size be the same as
10080 build_string will generate.
10082 2006-06-28 Jason Merrill <jason@redhat.com>
10085 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10086 may_aliases already in the tag's annotations to the bitmap.
10088 2006-06-28 Roger Sayle <roger@eyesopen.com>
10090 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
10092 2006-06-28 Roger Sayle <roger@eyesopen.com>
10094 * genpreds.c (generate_switch_p): New function.
10095 (add_mode_tests): Push the new mode test down inside an AND expr
10096 if this allows the switch-suitable MATCH_CODE to be near the root.
10097 (write_match_code_switch): New function to write a MATCH_CODE as
10098 a switch statement.
10099 (write_predicate_stmts): New function to write a predicate RTX
10100 expression as a sequence of statements.
10101 (write_one_predicate_function): Use write_predicate_stmts.
10102 (write_tm_constrs_h): Likewise.
10104 2006-06-26 Fred Fish <fnf@specifix.com>
10106 * config/mips/t-sb1: New file.
10107 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
10110 2006-06-26 DJ Delorie <dj@redhat.com>
10112 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
10114 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
10115 Jayant Sonar <jayants@kpitcummins.com>
10116 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
10118 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10119 (subsi3, subsi3_1, subsi3_2): New.
10120 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
10121 * config/m32c/mov.md (SI mov peephole): New.
10122 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
10123 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
10125 2006-06-26 Olivier Hainque <hainque@adacore.com>
10127 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
10128 a CALL_EXPR target function declaration.
10130 2006-06-26 Richard Guenther <rguenther@suse.de>
10132 * tree.c (build_string): Do not waste tail padding in
10133 struct tree_string.
10135 2006-06-26 Richard Guenther <rguenther@suse.de>
10137 * ggc-page.c (init_ggc): Add missing element to size_lookup
10141 2006-06-23 Richard Guenther <rguenther@suse.de>
10143 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10144 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10145 alignment requests instead. Add verification code.
10146 Add struct tree_function_decl and struct tree_binfo size to
10147 extra_order_size_table. Add missing element to size_lookup
10150 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
10152 PR middle-end/28151
10153 * fold-const.c (const_binop): Be prepared for self returning zero.
10154 Simplify code handling complex values.
10156 2006-06-24 Olivier Hainque <hainque@adacore.com>
10158 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
10159 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
10162 2006-06-24 Olivier Hainque <hainque@adacore.com>
10164 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
10165 ARRAY_REF, so have the callback called for the low bound expression.
10167 2006-06-23 Janis Johnson <janis187@us.ibm.com>
10169 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
10170 * c-typeck.c (c_common_type): Disallow operations on decimal float
10171 types and other float types.
10172 * convert.c (convert_to_real): Don't ignore conversions involving
10173 decimal float types.
10175 2006-06-23 Olivier Hainque <hainque@adacore.com>
10177 * tree.c (max_int_size_in_bytes): New function, inspired from
10178 code in function.c:assign_temp.
10179 * tree.h (max_int_size_in_bytes): Declare.
10180 * function.c (assign_temp): Use it.
10181 * gimplify.c (create_tmp_var): Relax the assertions on the type
10182 properties, not mandating constant size any more.
10183 (force_constant_size): New static function.
10184 (gimple_add_tmp_var): Use it, forcing variable size to a
10185 constant upper bound if it is not constant on entry.
10187 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
10190 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
10191 for initialization and setting of one_only flag to ...
10192 (i386_pe_encode_section_info): ...here.
10193 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
10194 Recheck that the symbol has not been defined.
10196 2006-06-23 Richard Guenther <rguenther@suse.de>
10198 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10199 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10200 alignment requests instead. Add verification code.
10201 Add struct tree_function_decl and struct tree_binfo size to
10202 extra_order_size_table. Add missing element to size_lookup
10205 2006-06-22 Roger Sayle <roger@eyesopen.com>
10206 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10208 PR middle-end/28131
10209 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
10210 call to lang_hooks.types.type_for_mode returned NULL_TREE.
10212 2006-06-23 Ben Elliston <bje@au.ibm.com>
10214 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
10215 negate dn -- manipulate it directly.
10217 2006-06-22 Roger Sayle <roger@eyesopen.com>
10218 Steven Bosscher <stevenb.gcc@gmail.com>
10221 * reload1.c (gen_reload): Call mark_jump_label on the new insns
10222 generated by gen_move_insn to add REG_LABEL notes if necessary.
10224 2006-06-22 Bob Wilson <bob.wilson@acm.org>
10226 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
10227 (leaf_entry): Remove use of MIN_ESA.
10229 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
10231 PR rtl-optimization/28121
10232 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
10235 2006-06-21 DJ Delorie <dj@redhat.com>
10237 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10239 (mulhisi3_r): Likewise.
10241 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10243 PR middle-end/28034
10244 * coverage.c (coverage_counter_alloc): Leave the index type
10246 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10249 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10251 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10252 section from the "Options for Code Generation Conventions".
10254 2006-06-21 Richard Henderson <rth@redhat.com>
10258 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10260 (global_symbolic_operand): Allow weak symbols, even if local_p.
10262 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10264 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10265 (find_interesting_uses_address): Punt if above function returns true.
10267 2006-06-21 Richard Guenther <rguenther@suse.de>
10269 * configure: Regenerated.
10271 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10273 * config/mips/mips.c (function_arg): Where one part of a
10274 complex argument is in registers and the other part in the stack,
10275 return a REG not a PARALLEL.
10277 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10279 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10280 when cross-compiling. Do not substitute libstdcxx_incdir.
10281 * configure: Regenerated.
10283 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10285 * varasm.c (mergeable_string_section): Check for embedded NULs and
10286 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10287 rather than TREE_STRING_LENGTH bytes.
10289 2006-06-21 Richard Guenther <rguenther@suse.de>
10291 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10292 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10295 2006-06-21 Richrad Guenther <rguenther@suse.de>
10297 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10298 Limit iteration over the dominators.
10300 2006-06-20 Roger Sayle <roger@eyesopen.com>
10302 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10303 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10305 2006-06-20 Richard Guenther <rguenther@suse.de>
10306 Michael Matz <matz@suse.de>
10308 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10310 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10311 * et-forest.h (et_free_pools): Prototype new function.
10312 * et-forest.c (et_free_tree_force): Free parent occurrence.
10313 (et_free_pools): New function.
10314 * dominance.c (free_dominance_info): Free et-forest alloc
10317 2006-06-20 Roger Sayle <roger@eyesopen.com>
10319 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10320 integer modes, attempt to directly construct an integer constant.
10322 * fold-const.c (native_encode_vector): Determine the size of each
10323 element from the vector type instead of the first vector element.
10325 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10326 if all of its elements/components are constant.
10327 (build_constructor_from_list): Likewise.
10329 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10331 PR tree-optimization/27331
10332 * tree-data-ref.c (free_data_ref): New function.
10333 (create_data_ref): Fail if the data reference has unknown access
10335 (free_data_refs): Use free_data_ref.
10337 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10339 PR middle-end/28075
10340 * tree-inline.c (setup_one_parameter): Strip useless
10341 type conversion before adding it to the IR.
10342 (declare_return_variable): Likewise.
10344 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10347 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10349 2006-06-19 Mike Stump <mrs@apple.com>
10351 * tree.c (variably_modified_type_p): VM arguments don't make the
10354 2006-06-19 Richard Guenther <rguenther@suse.de>
10356 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10357 type conversions after folding.
10359 2006-06-19 Richard Guenther <rguenther@suse.de>
10361 * ggc-page.c (extra_order_size_tab): Add entries with
10362 size of struct function and basic_block.
10363 (size_lookup): Extend to cover sizes up to 511.
10364 (ggc_alloc_stat): Adjust user.
10365 (ggc_pch_count_object): Likewise.
10366 (ggc_pch_alloc_object): Likewise.
10367 (ggc_pch_write_object): Likewise.
10369 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10371 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10372 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10375 2006-06-19 Denis Chertykov <denisc@overta.ru>
10377 * config/avr/libgcc.S : Correct my wrong previous commit.
10379 2006-06-19 Roger Sayle <roger@eyesopen.com>
10382 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10383 have stripped a SUBREG from the shift count, so we may need to
10384 convert_to_mode back to the type's mode before calling make_tree.
10385 Use new_amount instead of amount to avoid expanding a tree twice.
10387 2006-06-19 Richard Guenther <rguenther@suse.de>
10389 PR middle-end/28045
10390 * fold-const.c (operand_equal_p): Check if the argument types
10391 have the same precision before stripping NOPs.
10393 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10395 Fix PR tree-optimization/27341
10396 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10398 * tree-complex.c (pass_lower_complex): Update SMT usage.
10400 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10402 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10403 Add a new alternative to the constraint strings. Add move of
10404 operand 1 to 3 to the splitter definition.
10405 ("doloop_si_long"): Second contraint alternative removed.
10407 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10409 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10410 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10412 (AVR_HAVE_MOVW) Define.
10413 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10414 (ASM_SPEC): Add avr25.
10415 (LINK_SPEC): Add avr25.
10416 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10417 (base_arch_s): Add new member 'have_movw_lpmx'.
10418 (avr_arch_types): Init 'have_movw_lpmx'.
10419 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10420 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10421 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10422 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10423 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10425 (avr_file_start): Do not output '.arh' derective.
10426 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10427 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10428 * config/avr/avr.md (mcu_enhanced): Delete.
10429 (mcu_have_movw): Define.
10430 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10431 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10432 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10433 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10434 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10435 attiny861 and at86rf401 devices.
10437 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10439 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10442 2006-06-17 Karl Berry <karl@gnu.org>
10444 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10445 doc/gccint.texi, doc/install.texi (@dircategory): Use
10446 "Software development" instead of "Programming", following
10447 the Free Software Directory.
10449 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
10451 * config/i386/i386.c (legitimate_tls_address)
10452 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
10453 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
10454 (*tls_dynamic_gnu2_combine_64): Likewise.
10456 2006-06-16 Richard Guenther <rguenther@suse.de>
10458 PR middle-end/27116
10459 * fold-const.c (negate_expr_p): Do not introduce undefined
10460 overflow in negating INTEGER_CSTs.
10461 (fold_negate_expr): Rename from negate_expr. Revert last
10462 change for folding BIT_NOT_EXPR. Change semantics to
10463 return NULL_TREE for non-simplified negations. Do not
10464 strip type conversions and unify type handling.
10465 (negate_expr): New function, wrap around fold_negate_expr
10466 but ensure building a tree always. Strip type conversions
10467 here, fold to result type.
10468 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
10470 2006-06-16 Roger Sayle <roger@eyesopen.com>
10472 PR middle-end/27802
10473 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
10474 that (would) return their results in stack registers.
10476 2006-06-16 Michael Matz <matz@suse.de>
10477 Richard Guenther <rguenther@suse.de>
10479 * fold-const.c (fold_truthop): Only return new tree node if
10480 we canonicalized something.
10482 2006-06-16 Richard Guenther <rguenther@suse.de>
10484 * function.h (enum function_frequency): Move declaration
10485 out of struct function.
10486 (struct function): Move bool fields and the enum to the bitfield
10487 section. Reorder elements to avoid padding. Remove unused
10488 fields left over from the RTL inliner removal.
10489 * function.c (free_after_compilation): Do not zero removed fields.
10490 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
10491 (ipa-type-escape.o): Likewise.
10493 2006-06-16 Richard Guenther <rguenther@suse.de>
10495 * cgraph.h (struct cgraph_local_info): Turn bool elements
10497 (struct cgraph_node): Likewise.
10498 (struct cgraph_varpool_node): Likewise.
10500 2006-06-15 Richard Guenther <rguenther@suse.de>
10502 * fold-const.c (fold_truth_not_expr): Rename from
10503 invert_truthvalue. Give it fold_* semantics to avoid
10504 generating garbage.
10505 (invert_truthvalue): New function. Wrapper around
10506 fold_truth_not_expr.
10507 (optimize_minmax_comparison): Avoid creating garbage.
10508 (fold_unary): Use fold_truth_not_expr for folding
10510 (fold_ternary): Replace uses of invert_truthvalue with
10511 fold_truth_not_expr where applicable.
10512 * tree.h (fold_truth_not_expr): Prototype.
10514 2006-06-16 Richard Guenther <rguenther@suse.de>
10516 PR tree-optimization/27781
10517 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
10518 * ipa-pure-const.c (target.h): Include.
10519 (analyze_function): Do not analyze functions that do not
10522 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
10524 PR middle-end/27793
10525 * tree-dfa.c (referenced_vars_dup_list): Remove.
10526 (find_referenced_vars): Remove assert.
10527 (referenced_var_check_and_insert): Replace dup list with assert.
10528 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
10529 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
10531 2006-06-15 Richard Guenther <rguenther@suse.de>
10533 * tree-ssa-structalias.c (alias_get_name): Avoid creating
10534 extra unused identifiers if not dumping.
10535 (create_variable_info_for): Likewise.
10537 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
10539 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
10540 (derive_constant_upper_bound): Derive more precise upper bound in
10541 common cases. Return type changed to double_int.
10542 (record_estimate): Reflect the changed return type of
10543 derive_constant_upper_bound.
10544 * double-int.c (double_int_zext, double_int_sext): Fix.
10546 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
10548 * configure.ac (CFLAGS): Get them from the toplevel or from the
10549 configure invocation.
10550 * configure: Regenerate.
10551 * Makefile.in (CFLAGS): Substitute value provided by configure.
10553 2006-06-14 Mark Mitchell <mark@codesourcery.com>
10556 * c-common.h (c_finish_omp_atomic): Adjust declaration.
10557 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
10558 rather than calling add_stmt on it.
10559 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
10561 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
10563 PR middle-end/27959
10564 * reload1.c (reload): Remove registers returned by update_eliminables
10565 from used_spill_regs.
10567 2006-06-13 DJ Delorie <dj@redhat.com>
10569 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
10571 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
10573 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
10574 html__strip_dir, html__mkdir_p. Enhance install-html target.
10575 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
10576 * configure: Regenerate.
10578 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
10580 * fold-const.c (fold_cond_expr_with_comparison): Check for
10581 Objective-C++ as language in deciding COND_EXPR transformation.
10583 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
10586 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
10587 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
10588 * config/sh/lib1funcs.h (SL, SL1): Define.
10589 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
10590 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
10591 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
10592 (OBJS_Os_4_200): New variable.
10593 ($(T)libgcc-Os-4-200.a): Use it.
10594 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
10595 when dividing 1 and/or by 0.
10597 2006-06-13 Roger Sayle <roger@eyesopen.com>
10599 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
10600 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
10601 * configure: Regenerate.
10603 2006-06-13 Jie Zhang <jie.zhang@analog.com>
10605 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
10606 for real instruction.
10608 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10610 PR middle-end/26807
10611 * haifa-sched.c (check_cfg): Handle special case.
10613 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
10616 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
10617 Add debug_info parameter. Chain the vars to the BLOCK instead
10618 of the BIND_EXPR if debug info are requested for them.
10619 (pop_gimplify_context): Adjust for above change.
10620 (gimple_add_tmp_var): Likewise.
10621 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
10622 Add bool parameter.
10623 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
10624 (convert_local_reference): Likewise.
10625 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
10626 (finalize_nesting_tree_1): Request that debug info be emitted
10627 for debug_var_chain.
10629 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10631 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
10632 for PR target/27863.
10634 2006-06-13 Richard Guenther <rguenther@suse.de>
10636 PR middle-end/27536
10637 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
10639 2006-06-13 Richard Guenther <rguenther@suse.de>
10641 PR tree-optimization/27830
10642 * tree-inline.c (copy_body_r): For copying the operand
10643 of an ADDR_EXPR make sure to fold &* afterwards.
10645 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
10647 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
10648 lvalues in the fb_none case with side-effects.
10650 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
10652 * tree-flow.h: Remove the prototype for
10653 compute_phi_arg_on_exit.
10654 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
10655 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
10658 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
10660 * builtins.c (expand_builtin_return_addr): Only use
10661 frame_pointer_rtx when count == 0 and we are expanding
10662 __builtin_return_address.
10664 2006-06-12 Fred Fish <fnf@specifix.com>
10666 * config/mips/mips.c (mips_file_start): Create special section
10667 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
10669 2006-06-11 Eric Christopher <echristo@apple.com>
10671 PR middle-end/27948
10672 * stor-layout.c (place_field): Remove check for
10673 remaining_in_alignment when aligning at the end of a run.
10675 2006-06-11 Eric Christopher <echristo@apple.com>
10678 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
10681 2006-06-11 Roger Sayle <roger@eyesopen.com>
10684 Revert incorrect fix for PR target/27158
10685 2006-05-08 Roger Sayle <roger@eyesopen.com>
10686 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10687 of a reg_equiv_constant if the result is a legitimate constant.
10689 2006-06-11 Roger Sayle <roger@eyesopen.com>
10692 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
10693 extract a CONST_VECTOR element and interpret it as an integer.
10694 (vspltis_constant): Use const_vector_elt_as_int instead of the
10695 macro CONST_VECTOR_ELT in order to handle FP vector modes.
10696 * config/rs6000/predicates.md (easy_vector_const): Consider
10697 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
10699 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
10701 PR middle-end/27942
10702 * stor-layout.c (update_alignment_for_field): Don't add extra
10703 alignment for packed non-bitfield fields in ms_bitfield_layout_p
10706 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
10708 * config/mips/t-rtems: Add EL/EB multilib variants.
10710 2006-06-09 Mike Stump <mrs@apple.com>
10712 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
10714 2006-06-09 David Daney <ddaney@avtrex.com>
10716 * doc/install.texi: Add binutils version recommendation for mips-*-*.
10718 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
10720 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
10722 2006-06-09 Richard Guenther <rguenther@suse.de>
10724 PR tree-optimization/26998
10725 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
10726 of signed types, only TYPE_MIN_VALUE is special, but for both,
10727 minimum and maximum value. Likewise VR_ANTI_RANGE is special
10728 in this case, as is -fwrapv.
10730 2006-06-08 Mike Stump <mrs@apple.com>
10733 * config/darwin.c (darwin_asm_output_anchor): Disable
10734 -fsection-anchors on darwin for now.
10735 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
10736 * rs6000/rs6000.c (optimization_options): Likewise.
10738 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10741 * config/i386/i386.c (classify_argument): Skip fields with invalid
10744 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
10746 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
10747 (cse_insn): Likewise for the stack_pointer_rtx.
10749 2006-06-08 Roger Sayle <roger@eyesopen.com>
10751 * tree-ssa-dom.c (record_conditions): Only record "unordered"
10752 conditions from floating point comparisons.
10754 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
10756 PR middle-end/27733
10757 * expmed.c (struct alg_hash_entry): Fix type of field T
10758 to match synth_mult argument.
10759 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
10761 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10764 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
10767 2006-06-08 Richard Guenther <rguenther@suse.de>
10769 PR middle-end/27116
10770 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
10771 only, if overflow is defined and not trapping.
10772 (negate_expr): Likewise.
10774 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10776 PR tree-optimization/27872
10777 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
10778 flag on the new exit edge of the unrolled loop.
10780 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10782 PR rtl-optimization/26449
10783 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
10785 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
10787 PR middle-end/27793
10788 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
10789 referenced_variables with matching DECL_UID's.
10790 (find_referenced_vars): Make sure duplicate list is empty to start.
10791 (referenced_var_p): Remove.
10792 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
10793 Check if var is in the list, and add if needed. Update the duplicate
10794 list if a different var is in the list with the same DECL_UID.
10795 (add_referenced_var): Call routine to check and insert.
10796 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
10797 * tree-flow.h (referenced_vars_dup_list): External declaration.
10799 2006-06-07 Fred Fish <fnf@specifix.com>
10801 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
10804 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
10807 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
10808 the imaginary and real parts of a clobbered register.
10809 Emit insn to set the imaginary part.
10811 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
10813 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
10814 in lieu of unwind-dw2-fde.c.
10816 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10818 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
10820 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
10823 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
10824 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
10825 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
10826 V4SImode temporaries and operations instead.
10828 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
10830 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
10833 2006-06-06 Mike Stump <mrs@apple.com>
10835 * Makefile.in: Rename to htmldir to build_htmldir to avoid
10836 installing during build.
10838 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10840 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
10842 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10843 * config/ia64/ia64.c (params.h): New header.
10844 (ia64_optimization_options): New function to adjust parameters.
10845 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
10846 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
10847 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
10849 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
10851 * stor-layout.c (debug_rli): Fix a typo in a debug message.
10853 2006-06-05 Steve Ellcey <sje@cup.hp.com>
10856 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
10858 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
10859 Victor Kaplansky <victork@il.ibm.com>
10861 PR tree-optimization/26360
10862 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
10865 2006-06-04 Roger Sayle <roger@eyesopen.com>
10866 Andrew Pinski <pinskia@physics.uc.edu>
10868 PR middle-end/27382
10869 * c-common.c (c_common_truthvalue_conversion): Explicitly check
10870 for LABEL_DECL before calling DECL_WEAK.
10873 * c-typeck.c (build_binary_op): Likewise, explicitly check for
10874 LABEL_DECL and PARM_DECL.
10876 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
10880 * c-decl.c (grokdeclarator): Disallow variably modified types at
10881 file scope. Avoid marking shared array type of constant size as
10884 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10887 * c-common.c (fold_offsetof_1): Handle static members.
10889 2006-06-04 Eric Christopher <echristo@apple.com>
10891 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
10892 (debug_rli): Output value for remaining_in_alignment.
10893 (update_alignment_for_field): Unconditionalize
10894 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
10895 extra alignment code.
10896 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
10897 ms_bitfield_layout_p code. Rewrite handling of structure fields.
10898 * tree.h (record_layout_info_s): Remove prev_packed.
10899 * doc/extend.texi (ms_struct): Add documentation of format.
10901 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
10903 * tree.h: Declare folding_initializer.
10904 * builtins.c (fold_builtin_constant_p): Give definite answer
10905 if folding inside an initializer.
10906 * fold-const.c: Define folding_initializer.
10907 (START_FOLD_INIT): Save and then set folding_initializer.
10908 (END_FOLD_INIT): Restore folding_initializer.
10910 2006-06-04 Richard Guenther <rguenther@suse.de>
10912 PR tree-optimization/27039
10913 * fold-const.c (fold_comparison): Handle pointer comparison
10914 again for all comparison codes. Compare offsets in signed
10916 (fold_binary): Move code from here.
10918 2006-06-03 Roger Sayle <roger@eyesopen.com>
10921 * config/i386/i386.c (construct_container): Split static issued_error
10922 flag into issued_sse_arg_error, issued_sse_ret_error and
10923 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
10924 requires the use of x87 registers and the user explicitly
10925 specified the -mno-80387 command line option.
10927 2006-06-02 Geoffrey Keating <geoffk@apple.com>
10929 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
10930 HAVE_DECL_SIGALTSTACK.
10932 (segv_handler): Use MC_FLD.
10933 * configure.ac: Check for a sigaltstack declaration.
10934 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
10935 * configure: Regenerate.
10936 * config.in: Regenerate.
10938 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
10941 * Makefile.in (stmp-fixinc): Fix typo.
10943 2006-06-02 Roger Sayle <roger@eyesopen.com>
10945 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
10946 are type correct. Clean-up.
10947 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
10948 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
10950 2006-06-01 DJ Delorie <dj@redhat.com>
10952 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
10953 shift, as we've disabled the "switch" insn that needs it.
10955 2006-06-01 Per Bothner <bothner@bothner.com>
10957 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
10958 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
10959 * c-ppoutput.c (cb_define): Don't increment line 0.
10961 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
10963 * doc/invoke.texi: Add cpu_type power6.
10964 * config.gcc: Add cpu_type power6.
10965 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
10966 to power5+ with Altivec.
10967 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
10968 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
10970 2006-05-30 Anatoly Sokolov <aesok@post.ru>
10972 * config/avr/avr.h (SET_ASM_OP): Define.
10974 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
10976 * config/bfin/bfin.c: Fix comment typos.
10978 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10981 * doc/install.texi: Document --enable-bootstrap and
10982 --disable-bootstrap.
10984 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10986 * doc/install.texi: Document that InfoZIP can replace jar.
10988 2006-05-31 Roger Sayle <roger@eyesopen.com>
10990 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
10991 isn't available, directly generate the simpler x87 patterns without
10992 the (use (const_int 0)).
10993 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
10994 implementation isn't available.
10995 (*negdf2_1): Likewise.
10996 (*negxf2_1): XF mode negation is always done using the x87.
10997 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
10999 2006-05-31 Roger Sayle <roger@eyesopen.com>
11001 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
11002 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
11004 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11006 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11008 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11009 * config/bfin/bfin.c (basic-block.h): Include.
11010 (struct machine_function): New.
11011 (bfin_init_machine_status): New.
11012 (override_options): Initialize init_machine_status.
11013 (bfin_hardware_loop): New.
11014 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11015 (DEF_VEC_P (loop_info)): New.
11016 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11017 (struct loop_info): New.
11018 (loop_info): New typedef.
11019 (struct loop_work): New.
11020 (loop_work): New typedef.
11021 (DEF_VEC_O (loop_work)): New.
11022 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11023 (bfin_dump_loops): New.
11024 (bfin_bb_in_loop): New.
11025 (bfin_scan_loop): New.
11026 (bfin_optimize_loop): New.
11027 (bfin_reorg_loops): New.
11028 (bfin_reorg): Use bfin_reorg_loops.
11029 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11031 (I_REGNO_P): Simplify.
11032 (DP_REGNO_P, DPREG_P): New macros.
11033 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11034 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11035 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11036 Add LT_REGS, LC_REGS, LB_REGS.
11037 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11039 (REGNO_REG_CLASS): Deal with loop registers.
11040 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11042 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11043 New constants for loop registers.
11044 (UNSPEC_LSETUP_END): New.
11045 (seq_insns): New define_attr. Set it for appropriate insns.
11046 (movsi_insn): Add alternatives for move from/to
11047 loop count registers.
11048 (doloop_end): New define_expand.
11049 (loop_end): New define_insn.
11050 (define_split for bad doloop_end): New.
11051 (lsetup_with_autoinit): New define_insn.
11052 (lsetup_without_autoinit): New define_insn.
11053 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11054 * config/bfin/predicates.md (lc_register_operand): New.
11055 (lt_register_operand): New.
11056 (lb_register_operand): New.
11057 (nondp_register_operand): New.
11058 (nondp_reg_or_memory_operand): New.
11059 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11061 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11063 * config/bfin/bfin.c (bfin_delegitimize_address): New.
11064 (TARGET_DELEGITIMIZE_ADDRESS): Define.
11066 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
11068 * Makefile.in (CATALOGS): Add po/ prefix.
11069 * configure: Regenerated.
11071 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
11074 * arm.c (arm_print_operand case 'S'): Validate that the operand is
11075 a shift operand before calling shift_op. Avoid redundant call of
11078 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
11079 DJ Delorie <dj@redhat.com>
11081 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11082 we're inserting is a singlt-bit constant.
11084 2006-05-30 Roger Sayle <roger@eyesopen.com>
11086 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11087 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
11089 2006-05-30 Roger Sayle <roger@eyesopen.com>
11091 PR tree-optimization/23452
11092 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
11093 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11094 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
11095 complex values and with -ffast-math for FP complex values.
11097 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
11099 * c-common.h: Remove the prototype for yyparse.
11100 * rtl.h: Remove the prototype for init_loop.
11102 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
11104 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11107 2006-05-30 Roger Sayle <roger@eyesopen.com>
11109 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11111 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
11112 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
11114 2006-05-30 Dirk Mueller <dmueller@suse.de>
11117 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
11118 for CONSTANT_CLASS_P expresisons.
11120 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11123 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
11125 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
11127 PR tree-optimization/27779
11128 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
11129 initial_condition instead of CHREC_LEFT.
11131 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
11133 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
11134 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
11135 Make prototypes ISO C90.
11137 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
11138 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11140 * see.c (see_analyze_one_def): Correct check.
11141 (see_get_extension_data): Check if extension is parallel.
11142 (see_get_extension_reg): Likewise.
11144 2006-05-30 Uros Bizjak <uros@kss-loka.si>
11147 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
11148 into register for (code == GTU).
11150 2006-05-29 Roger Sayle <roger@eyesopen.com>
11152 PR tree-optimization/24964
11153 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11154 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
11155 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
11156 abs(x)*abs(x) as x*x for scalar floating point modes.
11158 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
11160 PR middle-end/27745
11161 * lambda-code.c (perfect_nestify): Don't copy statements
11162 in the inner loop: move them to the inner loop header.
11164 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11167 * c-tree.texi: Document OpenMP directives and clauses.
11169 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11171 * varasm.c (globalize_decl): Fix indentation.
11173 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11176 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
11177 pass_fre, pass_store_ccp, pass_copy_prop,
11178 pass_store_copy_prop, pass_merge_phi, pass_nrv,
11179 pass_return_slot, pass_object_size, pass_lim,
11180 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
11181 pass_loop_prefetch and pass_stdarg.
11183 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
11185 * config/bfin/bfin.opt (mfdpic): New option.
11186 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
11187 (EXTRA_MULTILIB_PARTS): Likewise.
11188 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
11189 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
11191 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
11192 (CRT_CALL_STATIC_FUNCTION): New.
11193 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
11195 (CRT_CALL_STATIC_FUNCTION): New.
11196 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
11198 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
11199 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
11200 (initialize_trampoline): Changed to handle FD-PIC code generation.
11201 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
11202 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
11203 (override_options): Disallow -mid-shared-library -mfdpic combination.
11204 Can't do unaligned ops if FD-PIC.
11205 Turn off flag_pic if trying to generate non-id-shared-library
11206 non-fdpic code, since it's not supported.
11207 (bfin_assemble_integer): New function.
11208 (TARGET_ASM_INTEGER): Define.
11209 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
11211 * config/bfin/crtn.s: Restore them.
11212 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
11214 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
11215 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
11216 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
11217 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
11218 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
11220 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
11221 FDPIC_REGS and FDPIC_FPTR_REGS.
11222 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
11223 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
11224 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
11225 (load_funcdescsi): New pattern.
11226 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
11227 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
11228 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
11230 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11232 * gcse.c, rtlanal.c: Remove obsolete comments associated with
11235 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
11237 * tree-flow.h: Remove the prototype for add_type_alias.
11238 * tree-ssa-alias.c (add_type_alias): Remove.
11240 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
11242 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11243 config/fr30/fr30.md, config/i386/i386-interix.h,
11244 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11245 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11246 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11247 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11248 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11249 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11250 Follow spelling conventions.
11251 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11252 Follow spelling conventions.
11254 2006-05-27 Richard Guenther <rguenther@suse.de>
11256 PR middle-end/27773
11257 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11258 to produce a constant of value 1 of generic type.
11260 2006-05-27 Dirk Mueller <dmueller@suse.de>
11262 * cgraphunit.c (decide_is_function_needed): Fix wrong
11265 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11267 PR rtl-optimization/27661
11268 * reload.c (find_reloads): When reloading a VOIDmode constant
11269 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11270 use Pmode as mode of the reload register.
11272 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11274 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11275 is enabled at -O and above.
11277 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11280 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11283 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11286 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11287 for anonymous variables explicitly declared by front ends.
11289 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11291 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11292 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11293 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11294 ref-all pointers, run a finalization pass for them.
11295 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11296 (finalize_ref_all_pointers): New function.
11297 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11298 regular pointer type to a ref-all pointer type.
11299 (get_tmt_for): Return the special memory tag for ref-all pointers.
11301 2006-05-25 Richard Guenther <rguenther@suse.de>
11303 PR middle-end/27743
11304 * fold-const.c (fold_binary): Do not look at the stripped
11305 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11307 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11309 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11310 for LT and GT if the computed range is effectively empty.
11312 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11315 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11316 mips_quad_format formats instead of ieee_single_format,
11317 ieee_double_format and ieee_quad_format formats, respectively.
11319 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11321 PR tree-optimization/27639
11322 PR tree-optimization/26719
11323 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11324 call to scev_probably_wraps_p.
11325 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11326 used_in_pointer_arithmetic_p, convert_step): Removed.
11327 (nowrap_type_p): New function.
11328 (scev_probably_wraps_p): Rewritten.
11329 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11330 chrec_convert if chrec_convert_aggressive might have been used.
11331 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11332 scev_direction): New functions.
11333 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11334 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11335 instead of convert_step.
11336 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11337 (convert_step): Declaration removed.
11338 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11340 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11342 * df-core.c: Added to header comments.
11343 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11344 df_ur_bb_info, df_urec_bb_info): Added comments.
11345 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11346 urec, ri problems): Fixed header comments.
11347 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11348 code from df_rd_transfer_function.
11350 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11352 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11353 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11354 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11356 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11358 * expr.c (undefined_operand_subword_p): New.
11359 (emit_move_multi_word): Do not generate move from undefined bits
11360 of a paradoxical subreg.
11362 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11364 PR rtl-optimization/27736
11365 * combine.c (replaced_rhs_value): New variable.
11366 (combine_instructions): Set it.
11367 (distribute_notes): When distributing a note in replaced_rhs_insn,
11368 check whether the value was used in replaced_rhs_value.
11370 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11373 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11374 add_referenced_var instead of add_referenced_tmp_var.
11375 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11376 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11377 add_referenced_var.
11378 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11379 tree_optimize_tail_calls_1): Use add_referenced_var.
11380 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11381 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11382 Use add_referenced_var.
11383 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11384 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11385 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11386 Use add_referenced_var.
11387 * tree-dfa.c (struct walk_state): Remove.
11388 (find_referenced_vars): Remove walk state and vars_found hash table.
11389 (make_rename_temp): Use add_referenced_var.
11390 (find_vars_r): Pass less parameters to add_referenced_var.
11391 (referenced_var_p): New. Is var in referenced_var hash table.
11392 (referenced_var_insert): Assert var isn't already in hash table.
11393 (add_referenced_var): Don't need walk_state parameter. Add var if it
11394 isn't already in the hash table.
11395 (add_referenced_tmp_var): Remove.
11396 (find_new_referenced_vars_1): Use add_referenced_var.
11397 * tree-ssa-pre.c (create_expression_by_pieces,
11398 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11399 Use add_referenced_var.
11400 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11401 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11402 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11403 add_referenced_var.
11404 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11405 vect_create_data_ref_ptr, vect_create_destination_var,
11406 vect_init_vector, vect_build_loop_niters,
11407 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11408 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11409 Use add_referenced_var.
11410 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11411 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11412 (add_referenced_var): Add prototype.
11413 * tree-ssa-structalias.c (get_constraint_for,
11414 intra_create_variable_infos): Use add_referenced_var.
11416 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11418 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11419 big-endian paradoxical subregs.
11420 * var-tracking.c (struct micro_operation_def): Document that,
11421 for modify micro operations, insn is the subsequent instruction.
11422 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11423 (var_reg_set, var_mem_set): ... new functions.
11424 (add_stores): Record subsequent insn.
11425 (compute_bb_dataflow): Use new functions for MO_USE.
11426 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11427 notes after the insn, and modify notes before the insn known
11428 to be the subsequent one.
11429 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11431 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11434 * config/i386/i386.c (ix86_expand_builtin): Use
11435 gen_sse3_monitor64 for TARGET_64BIT.
11437 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11439 PR rtl-optimization/26375
11440 PR rtl-optimization/26855
11441 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11443 (df_ru_bb_local_compute): Reversed statements and removed bogus
11444 comment explaining why they should be in wrong order.
11445 (df_ru_dump, df_rd_dump): Enhanced debug info.
11446 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11448 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11449 reaching uses and fixed space problem.
11451 2006-05-23 Jan Hubicka <jh@suse.cz>
11453 * cgraphunit.c (decide_is_function_needed): Also nested functions
11454 and functions declared inline can be optimized out at -O0.
11456 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
11458 * doc/install.texi (Configuration): Remove reference to CrossGCC
11459 FAQ which was gone.
11462 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11465 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
11466 ix86_compare_emitted is non-NULL.
11468 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11471 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11474 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11476 PR rtl-optimization/25514
11477 * combine.c (replaced_rhs_insn): New variable.
11478 (combine_instructions): Set replaced_rhs_insn when trying to replace
11479 a SET_SRC with a REG_EQUAL note.
11480 (distribute_notes): Use replaced_rhs_insn when determining the live
11481 range of a REG_DEAD register.
11483 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
11484 Anatoly Sokolov <aesok@post.ru>
11486 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
11487 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
11488 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
11489 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
11490 atmega3290, atmega649, atmega6490, atmega406, atmega640,
11491 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
11492 at90usb647, at90usb1286 and at90usb1287 devices.
11493 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11494 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11496 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11498 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
11500 2006-05-22 Richard Guenther <rguenther@suse.de>
11503 2006-01-31 Richard Guenther <rguenther@suse.de>
11504 Paolo Bonzini <bonzini@gnu.org>
11506 * doc/install.texi (--disable-libgcc-math): Document.
11508 2006-05-22 Richard Guenther <rguenther@suse.de>
11511 2006-01-31 Richard Guenther <rguenther@suse.de>
11513 * doc/invoke.texi (-msselibm): Document.
11514 * target.h (expand_library_builtin): New target hook.
11515 * builtins.c (expand_builtin): Use expand_library_builtin.
11516 (default_expand_library_builtin): New function.
11517 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11518 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11519 (link_gcc_math_spec): Declare.
11520 (static_specs): Add link_gcc_math_spec.
11521 * expr.h (default_expand_library_builtin): Declare.
11522 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11523 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11524 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11525 * config/i386/i386.opt (msselibm): New target option.
11526 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11527 (ix86_init_sse_abi_builtins): New function.
11528 (ix86_expand_library_builtin): Likewise.
11529 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11530 (override_options): Handle error conditions wrt -msselibm.
11531 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11532 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11533 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11536 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11539 * c-common.c (self_promoting_args_p): Skip erroneous args.
11542 * c-decl.c (finish_struct): Skip erroneous fields.
11544 2006-05-22 Nick Clifton <nickc@redhat.com>
11546 * config/cris/cris.opt (march): Remove VarExists attribute.
11547 (max-stackframe=): Likewise.
11549 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11551 * doc/rtl.texi: Fix a typo.
11552 * see.c: Fix comment typos.
11554 * tree-ssa-structalias.h (alias_info): Remove num_references.
11556 2006-05-21 Mike Stump <mrs@apple.com>
11558 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
11560 (darwin_pragma_options): Use BAD instead.
11561 (darwin_pragma_unused): Likewise.
11562 (darwin_pragma_ms_struct): Likewise.
11564 2006-05-21 David Edelsohn <edelsohn@gnu.org>
11566 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
11568 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
11570 PR rtl-optimization/27671
11571 * simplify-rtx.c (simplify_relational_operation_1): Fix
11572 simplifications of (eq/ne (xor x y) y) and
11573 (eq/ne (xor x y) x).
11575 PR tree-optimization/26622.
11576 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
11579 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11581 * tree-cfg.c: Prune whitespace.
11582 (debug_tree_cfg): Point to correct header containing the
11585 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11587 PR middle-end/25776
11588 * cgraphunit.c (verify_cgraph_node): Typo in error message.
11590 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
11592 PR middle-end/25776
11593 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
11594 or sorry count is non zero.
11596 2006-05-20 Andreas Schwab <schwab@suse.de>
11598 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
11600 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
11601 Kenneth Zadeck <zadeck@naturalbridge.com>
11603 PR rtl-optimization/26855
11605 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
11607 (df_scan_alloc): Added code to properly handle multiword hard
11608 registers and add all_blocks parameter.
11609 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
11610 code to properly handle multiword hard registers.
11611 (df_rescan_blocks): Added code to remove deleted blocks from
11613 (df_ref_create_structure, df_ref_record): Added code to properly
11615 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
11616 and set DF_REF_PARTIAL.
11617 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
11618 (df_uses_record): Added DF_REF_PARTIAL for subreg.
11619 (df_scan_add_problem): Added flags parameter.
11620 (df_ref_create_structure): Changed switching structure.
11621 (df_bb_refs_record): Fixed case where duplicate artificial refs
11622 were created. Changed location of flags.
11623 (df_record_entry_block_defs): Added code to make stack pointer
11624 live in entry block. Refined cases where frame pointer is needed.
11625 Changed location of flags.
11626 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
11627 (df_set_state): Removed function.
11628 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
11629 df_insn_create_insn_record, df_insn_refs_delete,
11630 df_ref_create_structure): Formatting changes.
11631 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
11632 df_delete_basic_block): New function.
11633 (df_init): Changed location of flags.
11634 (df_add_problem): Added flags parameter and the way flags are
11636 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
11637 debug_df_chain): Improved debugging output.
11638 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
11639 (df_refs_chain_dump): Removed df parameter.
11640 (df_iterative_dataflow): Added consistency check.
11641 (df_prune_to_subcfg): Made public.
11642 (df_analyze_problem): Added blocks_to_init parameter and made
11644 (df_ref_record, df_bb_refs_record, df_mark_reg,
11645 df_record_exit_block_uses): Whitespace changes.
11646 (df_dump): Whitespace changes.
11647 * df.h: Some reordering to remove forward references.
11648 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
11649 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
11650 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
11651 (dataflow.flags): New field.
11652 (df.flag): Deleted field.
11653 (df_alloc_function): Added additional bitmap parameter.
11654 (df_dependent_problem_function): New type.
11655 (df_problem.changeable_flags): New field.
11656 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
11657 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
11658 (df_mw_hardreg): New struct.
11659 (DF_INSN_UID_MWS): New macro.
11660 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
11662 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
11663 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
11664 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
11665 (df_set_state): Removed function.
11666 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
11667 * df-problems.c (df_chain_dump): Removed df parameter.
11668 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
11669 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
11671 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
11672 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
11673 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
11674 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
11675 DF_REF_MUST_CLOBBER cases.
11676 (df_ru_bb_local_compute_process_def,
11677 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
11678 df_lr_bb_local_compute, df_ur_bb_local_compute,
11679 df_chain_create_bb): Made subreg aware.
11680 (df_ru_bb_local_compute, df_rd_bb_local_compute,
11681 df_lr_bb_local_compute, df_lr_bb_local_compute,
11682 df_chain_create_bb): Cleanup to use proper macros.
11683 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
11684 code to fixup bitvectors.
11685 (df_ri_alloc): Cleared lifetime.
11686 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
11687 df_create_unused_note): New function.
11688 (df_ri_bb_compute, df_ri_compute): Added code to create/update
11689 REG_DEAD and REG_UNUSED notes as well as register information.
11690 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
11691 df_chains_dump): Fixed crash if problem was never run.
11692 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
11693 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
11694 df_ri_add_problem): Processes flags in uniform manner.
11695 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
11696 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
11697 df_rd_dump, df_urec_free_bb_info): Formatting changes.
11698 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
11699 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
11700 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
11701 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
11702 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
11703 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
11704 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
11705 * see.c (see_initialize_data): Ditto.
11706 * final.c (rest_of_clean_state) Added regstack_completed.
11707 * rtl.h (regstack_completed): Ditto.
11708 * reg-stack.c (regstack_completed): Ditto.
11710 2006-05-19 Mike Stump <mrs@apple.com>
11712 * c-tree.h (default_conversion): Remove.
11713 * c-common.h (default_conversion): Add.
11715 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
11717 * tree-vrp.c (valid_value_p): New function.
11718 (adjust_range_with_scev): Fail if the value of bound is not
11721 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11723 * config/mips/linux-unwind.h: Include <asm/unistd.h>
11724 (mips_fallback_frame_state): Use syscall numbers to determine
11725 the appropriate li instruction for the current ABI. Only use
11726 __NR_sigreturn for o32.
11728 2006-05-19 Nicolas Setton <setton@adacore.com>
11730 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
11731 * langhooks.c (lhd_dwarf_name): New function.
11732 * langhooks-def.h (lhd_dwarf_name): Declare.
11733 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
11734 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
11736 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11738 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
11740 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
11741 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
11742 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
11743 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
11744 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
11745 determine the size of Wtype, etc.
11746 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
11747 (swfloatfuncs): New variable.
11748 (dwfloatfuncs): Likewise.
11749 (lib2funcs): Remove floating-point conversion functions from
11750 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
11751 the set of conversion routines needed. Allow entries to specify
11752 an object name, filename and word size. Update users accordingly.
11753 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
11754 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
11758 2006-02-08 Roger Sayle <roger@eyesopen.com>
11761 * config/fixtfdi.c: New libgcc source file.
11762 * config/fixunstfdi.c: New source file.
11763 * config/floatditf.c: New source file.
11764 * config/floatunditf.c: New souce file.
11765 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11766 files above instead of config/mips/_tilib.c.
11767 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11769 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11771 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
11772 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
11774 2006-05-18 Mike Stump <mrs@apple.com>
11776 Fix up vla, vm and [*] sematics.
11782 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
11783 (c_vla_unspec_p): Add.
11784 (c_vla_type_p): Add.
11785 * c-decl.c (struct c_scope): Add had_vla_unspec.
11786 (build_array_declarator): Add support for [*].
11787 (grokdeclarator): Likewise.
11788 (grokparms): Likewise.
11789 (get_parm_info): Likewise.
11790 * c-objc-common.c (c_vla_unspec_p): Likewise.
11791 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
11792 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
11793 typeof when argument is a variably modified type not inside sizeof or alignof.
11794 (c_parser_direct_declarator_inner): Propagate errors.
11795 (c_parser_sizeof_expression): Add support for [*].
11796 (c_parser_parms_declarator): Initialize had_vla_unspec.
11797 (c_parser_parms_list_declarator): Likewise.
11798 * c-typeck.c (c_vla_type_p): Add.
11799 (composite_type): Add support for vla compositing.
11800 (comptypes_internal): Add support for vla compatibility.
11801 (c_expr_sizeof_expr): Evaluate vla arguments.
11802 * tree.c (variably_modified_type_p): Update comment for [*].
11804 2006-05-18 Michael Matz <matz@suse.de>
11807 * config.host: Make assignments to host_xmake_file cumulative.
11808 * config.host (*-darwin*): Test $host, not $target.
11810 2006-05-12 Stuart Hastings <stuart@apple.com>
11812 * config/i386/i386.opt (-mstackrealign): New flag.
11813 * config/i386/i386.c (force_align_arg_pointer): New attribute.
11814 (ix86_handle_cconv_attribute): Emit error when
11815 force_align_arg_pointer attribute collides with too many regparms.
11816 (ix86_function_regparm): Limit regparms when used with
11817 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
11818 Support stack-realigning prologue in non-main functions. Emit
11819 warning for nested functions under -mstackrealign, emit error for
11820 nested functions with force_align_arg_pointer attribute.
11821 * doc/extend.texi (force_align_arg_pointer): Document it.
11822 * doc/invoke.texi (-mstackrealign): Document it.
11824 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
11826 PR rtl-optimization/27477
11827 * combine.c (try_combine): Don't split a parallel consisting
11828 of two sets into two individual sets if both sets reference
11831 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
11833 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
11834 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
11836 * doc/options.texi (VarExists): Updated.
11838 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11840 * unwind-dw2.c: Add declarations for uw_update_context and
11841 uw_frame_state_for.
11842 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
11843 detected, advance frame state and context once to skip over stub.
11845 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11847 PR middle-end/20256
11848 PR middle-end/26435
11849 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
11850 Call rewrite_into_loop_closed_ssa only when something changed.
11851 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
11852 * lambda-code.c (can_convert_to_perfect_nest): Declared.
11853 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
11854 Test for perfect_nest_p here. Fix formating.
11855 (replace_uses_equiv_to_x_with_y): Fix formating.
11856 (stmt_uses_op): Removed.
11857 (can_convert_to_perfect_nest): Removed loopivs parameter.
11858 Complete the test by checking the scalar dependences.
11859 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
11862 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11865 From Dan Kegel <dank@kegel.com>:
11866 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
11868 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
11870 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
11871 if the element type is variably modified without recursing.
11873 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11875 PR middle-end/27332
11876 * tree-loop-linear.c (try_interchange_loops): Test for
11877 no data dependences.
11879 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
11881 PR tree-optimization/27548
11882 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
11883 range of ssa names that appear on abnormal edges.
11884 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
11885 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
11887 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11889 PR middle-end/27620
11890 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
11892 2006-05-17 Jakub Jelinek <jakub@redhat.com>
11894 PR middle-end/27415
11895 * tree.h (OMP_PARALLEL_COMBINED): Define.
11896 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
11897 (new_omp_context): Add is_combined_parallel argument.
11898 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
11899 new_omp_context caller.
11900 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
11901 Adjust gimplify_scan_omp_clauses callers.
11902 (omp_is_private): Issue errors if iteration variable is firstprivate
11903 or reduction in the current context.
11904 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
11905 on combined parallel workshare constructs.
11907 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11909 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
11910 (gcc-options.o): New rule.
11912 * optc-gen.awk: Protect variables for gcc-options.o with
11913 #ifdef GCC_DRIVER/#endif.
11915 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
11917 Fix PR tree-optimization/27373
11918 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
11919 (forward_propagate_addr_expr): Update call.
11921 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11923 * doc/options.texi: Move the Negative option.
11925 2006-05-16 Richard Guenther <rguenther@suse.de>
11927 PR tree-optimization/22303
11928 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
11930 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
11931 ccp_fold did not simplify the statement.
11933 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11936 * Makefile.in (GCC_OBJS): New.
11937 (OBJS-common): Add opts-common.o.
11938 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
11939 (cpp$(exeext)): Likewise.
11940 (gcc.o): Also depend on opts.h.
11941 (opts-common.o): New.
11943 * common.opt (gcoff): Add Negative(gdwarf-2).
11944 (gdwarf-2): Add Negative(gstabs).
11945 (gstabs): Add Negative(gstabs+).
11946 (gstabs+): Add Negative(gvms).
11947 (gvms): Add Negative(gxcoff).
11948 (gxcoff): Add Negative(gxcoff+).
11949 (gxcoff+): Add Negative(gcoff).
11950 * config/i386/i386.opt (m32): Add Negative(m64).
11951 (m64): Add Negative(m32).
11953 * doc/options.texi: Document the Negative option.
11955 * gcc.c: Include "opts.h".
11956 (main): Call prune_options after expandargv.
11958 * optc-gen.awk: Generate common declarations for all flag
11959 variables in options.c. Output the neg_index field.
11961 * opts.c (find_opt): Moved to ...
11962 * opts-common.c: Here. New file.
11964 * opts.h (cl_option): Add a neg_index field.
11966 (prune_options): Likewise.
11968 2006-05-16 Jakub Jelinek <jakub@redhat.com>
11970 PR middle-end/27573
11971 * omp-low.c (expand_omp_parallel): Don't assert
11972 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
11973 instead search for it.
11976 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
11979 2006-05-16 Andreas Schwab <schwab@suse.de>
11981 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
11984 2006-05-15 Roger Sayle <roger@eyesopen.com>
11987 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
11988 integer constants other than zero are only legitimate on TARGET_64BIT.
11989 <CONST_VECTOR> Only zero vectors are legitimate.
11990 (ix86_cannot_force_const_mem): Integral and vector constants can
11991 always be put in the constant pool.
11993 2006-05-16 DJ Delorie <dj@redhat.com>
11995 * crtstuff.c (__dso_handle): Set section from
11996 TARGET_LBIGCC_SDATA_SECTION if defined.
11997 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
11998 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12000 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
12003 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12006 2006-05-16 Ben Elliston <bje@au.ibm.com>
12008 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12010 2006-05-15 Per Bothner <per@bothner.com>
12012 * tree.c: (last_annotated_node): Use source_locus typedef.
12013 This permits bootstrapping with --enable-mapped-location.
12015 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
12017 PR tree-optimization/26830
12018 * tree-into-ssa.c (struct ssa_name_info): Add age field.
12019 (info_for_ssa_name, current_info_for_ssa_name_age,
12020 blocks_to_update): New variables.
12021 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12022 (clear_ssa_name_info, initialize_flags_in_bb,
12023 mark_block_for_update): New functions.
12024 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12025 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12026 prepare_def_site_for): Use mark_block_for_update.
12027 (mark_def_interesting): Assert that the processed block is marked in
12028 blocks_to_update. Do not take blocks argument.
12029 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12031 (rewrite_update_init_block, rewrite_update_stmt): Only process
12032 blocks with statements to rewrite.
12033 (delete_update_ssa): Do not clear SSA_NAME_AUX.
12034 (update_ssa): Initialize and free blocks_to_update. Do not
12035 clear flags on statements. Do not use blocks bitmap.
12036 * tree.h (SSA_NAME_AUX): Removed.
12037 (struct tree_ssa_name): Removed aux field.
12038 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12040 2006-05-15 Richard Guenther <rguenther@suse.de>
12042 PR tree-optimization/27603
12043 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12044 Do computations in original type.
12046 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
12048 * see.c: Code style changes such as redundant paranthesis,
12049 redundant intialization of local variables etc.
12050 (see_main): Declared now as static.
12051 * doc/invoke.texi: Update that -fsee is not enabled by
12054 2006-05-15 Jakub Jelinek <jakub@redhat.com>
12056 * omp-low.c (check_omp_nesting_restrictions): New function.
12057 (scan_omp_1): Call it.
12059 PR middle-end/27416
12060 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12061 construct, return *VAR.
12063 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
12065 PR rtl-optimization/27406
12066 * bt-load.c (migrate_btr_def): Skip the block having abnormal
12069 2006-05-14 Roger Sayle <roger@eyesopen.com>
12071 PR rtl-optimization/27538
12072 * combine.c (expand_compound_operation): Call gen_lowpart
12073 before calling simplify_shift_const.
12075 2006-05-14 Roger Sayle <roger@eyesopen.com>
12077 PR rtl-optimization/22563
12078 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12079 a fixed width bitfield, always force the intermediates into psuedos.
12081 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
12084 * mkconfig.sh: Use operator = instead of == for test.
12086 2006-05-13 Nick Clifton <nickc@redhat.com>
12088 * dwarf2out.c (dbx_reg_number): Check return value from
12089 LEAF_REG_REMAP and only use it if it is valid.
12090 (multiple_reg_loc_descriptor): Likewise.
12092 2006-05-13 Richard Guenther <rguenther@suse.de>
12094 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
12097 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
12099 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
12100 information attached to non-INSNs such as NOTEs.
12101 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
12103 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
12105 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
12107 * config/s390/s390.md: Adjust comment describing On constraint.
12109 2006-05-11 Jan Hubicka <jh@suse.cz>
12111 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12112 to be output at -O0.
12114 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12116 PR middle-end/27384
12117 * fold-const.c (size_binop): Move sanity check for arguments to
12118 the beginning of the function.
12120 PR middle-end/27488
12121 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
12124 2006-05-11 Richard Guenther <rguenther@suse.de>
12126 PR middle-end/27529
12127 * fold-const.c (fold_unary): Handle intermediate conversion
12128 to a pointer type like intermediate conversion to an integer
12129 type in folding of (T1)(T2)var to var.
12130 Match the code to the comment in the final conversion for
12131 (T1)(T2)var to (T1)var regarding to type precision. Rather
12132 than disallow T1 being of pointer type, assert that both T1
12133 and var are of pointer type or not. Make sure not to fall
12134 over the frontends lazyness wrt array to pointer decay though.
12136 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
12138 * arm.c (arm_struct_value_rtx): Delete.
12139 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
12140 (arm_init_cumulative_args): Always initialize nregs to zero.
12142 2006-05-10 Richard Guenther <rguenther@suse.de>
12144 PR tree-optimization/27532
12145 * tree-object-size.c (plus_expr_object_size): Fix typo.
12147 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
12150 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
12151 ashrdi_const, ashrdi3): Use a scratch register.
12153 2006-05-10 Richard Guenther <rguenther@suse.de>
12155 PR tree-optimization/27302
12156 * fold-const.c (operand_equal_p): For two comparisons,
12157 try comparison of one comparison code swapped if that yields
12160 2006-05-10 Ben Elliston <bje@au.ibm.com>
12162 * tree-pretty-print.c (pretty_print_string): No need to handle
12163 '\0' as a special character.
12165 * tree.h: Include "hashtab.h".
12166 (iterative_hash_expr): Use hashval_t in its prototype.
12167 * Makefile.in (TREE_H): Add $(HASHTAB_H).
12169 2006-05-09 Steve Ellcey <sje@cup.hp.com>
12172 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
12173 (hppa*64*-*-hpux11*): Ditto.
12174 (hppa[12]*-*-hpux11*): Ditto.
12176 2006-05-09 David Edelsohn <edelsohn@gnu.org>
12179 * config/rs6000/aix41.h (TARGET_64BIT): Define.
12181 2006-05-09 Michael Matz <matz@suse.de>
12183 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
12184 host_extra_gcc_objs and host_xmake_file.
12185 (<*-*-linux*>): Don't overwrite host_xmake_file.
12186 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
12187 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
12188 (host_detect_local_cpu): Declare.
12189 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
12190 * config/i386/i386.c (override_options): Handle -mtune=native
12192 * config/i386/x-i386: New file.
12193 * config/i386/driver-i386.c: New file.
12194 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
12197 2006-05-09 Dirk Mueller <dmueller@suse.de>
12198 Richard Guenther <rguenther@suse.de>
12200 PR middle-end/27498
12201 * fold-const.c (fold_read_from_constant_string): Relax check
12202 for matching types to matching modes.
12204 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
12206 PR rtl-optimization/27335
12207 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
12210 2006-05-08 Chao-ying Fu <fu@mips.com>
12211 Richard Sandiford <richard@codesourcery.com>
12213 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
12214 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
12215 * config/mips/mips.md (UNSPEC_SCC): New constant.
12216 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
12217 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
12218 (mips_emit_compare): Use it.
12219 (mips_expand_vcondv2sf): New function.
12221 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
12223 Fix PR tree-optimization/27093
12224 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
12225 renaming when they become not-used_alone.
12227 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12229 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
12230 relocation and relocation stubs.
12232 2006-05-08 Eric Christopher <echristo@apple.com>
12234 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
12237 2006-05-08 Jan Hubicka <jh@suse.cz>
12239 PR middle-end/24561
12240 * cgraphunit.c (decide_is_function_needed): When not optimizing even
12241 unused static functions are needed.
12243 2006-05-08 Roger Sayle <roger@eyesopen.com>
12246 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12247 of a reg_equiv_constant if the result is a legitimate constant.
12249 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12252 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12253 standard 80387 constants, raise the cost to prevent
12254 compress_float_constant() to generate load from memory.
12256 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12258 * config/arm/constraints.md (c): Fix a typo.
12260 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12263 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12266 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12268 (_mm_mwait): Likewise.
12270 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12272 (sse3_monitor): Make it 32bit only.
12273 (sse3_monitor64): New. 64bit monitor.
12275 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12278 * config/i386/i386.c (classify_argument): Skip fields with invalid
12281 2006-05-07 Richard Guenther <rguenther@suse.de>
12283 PR tree-optimization/27409
12284 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12285 Do not try to find zero-sized subvars.
12287 2006-05-07 Richard Guenther <rguenther@suse.de>
12289 PR tree-optimization/27136
12290 * tree-ssa-loop-niter.c (get_val_for): Correct function
12291 comment, assert requirements.
12292 (loop_niter_by_eval): Stop processing if the iterated
12293 value did not simplify.
12295 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12297 * opts.c (flag_see): remove its setting at -O3.
12299 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12301 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12302 * arm/constraints.md: New file.
12303 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12304 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12305 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12306 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12307 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12308 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12309 * arm.md: Include constraints.md.
12310 (thumb_movsi_insn): Use satisfies_constraint_J.
12311 (movhi, movqi): Use satisfies_constraint_I.
12313 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12315 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12316 for atmeg a645 device.
12318 2006-05-06 Richard Guenther <rguenther@suse.de>
12320 PR tree-optimization/27151
12321 * tree-vect-transform.c (vectorizable_condition): Punt on
12322 values that have a different type than the condition.
12324 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12327 * c-parser.c (c_parser_cast_expression): Only insert casts into
12328 hash table if pointer.
12329 * function.c (used_types_insert_helper): Rename from
12331 (used_types_insert): Call used_types_insert_helper.
12332 * function.h (used_types_insert): Accept only one argument.
12334 2006-05-05 David Edelsohn <edesohn@gnu.org>
12336 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12337 scratch with output modifier.
12339 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12342 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12343 with output modifier.
12345 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12348 * config/mips/mips.c (mips_symbolic_address_p): Return true
12349 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12350 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12352 2006-05-04 Richard Guenther <rguenther@suse.de>
12354 PR tree-optimization/14287
12355 PR tree-optimization/14844
12356 PR tree-optimization/19792
12357 PR tree-optimization/21608
12358 PR tree-optimization/27090
12359 * tree-ssa-pre.c (try_combine_conversion): New function.
12360 (compute_avail): After constructing the value-handle
12361 expression, use try_combine_conversion to combine NOP_EXPRs
12362 with previous value-handle expressions and use the result if it
12365 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12367 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12369 2006-05-04 Jan Hubicka <jh@suse.cz>
12371 PR middle-end/25962
12372 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12374 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12376 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12377 that this only matches CONST_INTs. All users changed to VOIDmode
12380 * config/bfin/bfin.c: Include "optabs.h".
12381 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12383 (enum bfin_builtins): Add a number of fractional and vector builtins.
12384 (bfin_init_builtins): Likewise.
12385 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12386 (safe_vector_operand, bfin_expand_binop_builtin,
12387 bfin_expand_unop_builtin): New functions.
12388 (bfin_expand_builtin): Handle the new builtins.
12389 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12392 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12395 * Makefile.in (OBJS-common): Add see.o.
12396 (see.o): Add dependencies.
12397 * common.opt (fsee): New flag for the see optimization was added.
12398 * opts.c (flag_see): Initialized.
12399 * passes.c (init_optimization_passes, pass_see): New pass.
12400 * rtl.h (see_main): Declaration as extern.
12401 * timevar.def (TV_SEE): New.
12402 * tree-pass.h (pass_see): Declaration as extern.
12403 * invoke.texi (-fsee): Document.
12404 * recog.c (validate_simplify_insn): New function.
12405 * recog.h (validate_simplify_insn): Declaration as extern.
12406 * df-problems.c (df_chain_dump): Check for NULL.
12408 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12409 Daniel Berlin <dberlin@dberlin.org>
12411 * cfgrtl.c (insert_insn_bb_end_new): New function.
12412 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12414 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12416 * df.h (struct web_entry): Moved from web.c.
12417 (union_defs): Declaration as extern.
12418 (unionfind_root): Likewise.
12419 (unionfind_union): Likewise.
12420 * web.c (struct web_entry): Moved to df.h.
12421 (unionfind_root): Remove static declaration.
12422 (unionfind_union): Likewise.
12423 (union_defs): Likewise and generalize to use callback function.
12424 (web_main): Update arguments for union_defs function call.
12426 2006-05-04 Richard Guenther <rguenther@suse.de>
12428 PR tree-optimization/26447
12429 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12430 produce SSA_NAME copies before the store stmt to avoid
12431 breaking exception handling.
12433 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12435 PR middle-end/27388
12436 * gimplify.c (omp_is_private): If var is shared in some outer context,
12437 return false instead of true. Stop searching on parallel context
12440 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12443 * coverage.c: Use get_gcov_unsigned_t() instead of
12444 unsigned_type_node all over.
12446 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12448 PR tree-optimization/27381
12449 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12450 maintain the same immediate_use links.
12451 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
12452 node rather than segfaulting.
12454 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12457 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
12458 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
12459 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
12461 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
12463 Fix PR tree-optimization/26626
12464 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
12466 * tree-ssa-operands.c (access_can_touch_variable): Allow
12467 typecasting through union pointers.
12469 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12472 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
12473 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
12474 to find if var will be a global variable even in the nested context.
12475 (omp_copy_decl): Only check for global variable at the end, it might
12476 be overridden in outer contexts.
12477 (scan_sharing_clauses): For global variables don't create a field.
12478 (lower_rec_input_clauses): Do nothing for global shared variables.
12479 Emit a barrier at the end of ILIST if there were any decls in both
12480 firstprivate and lastprivate clauses.
12481 (lower_send_clauses): Do nothing for global variables except for
12484 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
12486 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
12487 of the correct signedness is returned.
12489 2006-05-02 Jeff Law <law@redhat.com>
12491 PR tree-optimization/27364
12492 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
12493 multiply expressions.
12495 2006-05-02 Tom Tromey <tromey@redhat.com>
12497 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
12499 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
12502 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
12503 -mthumb -fPIC are used.
12505 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
12506 Joshua Kinard <kumba@gentoo.org>
12509 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
12510 with 64-bit pointers.
12512 2006-05-02 Paul Brook <paul@codesourcery.com>
12514 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
12516 (create_fix_barrier): Check that a suitable barrier location is
12518 (arm_reorg): Include ftmp->address in allowable range of addresses.
12520 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
12523 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
12526 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12528 PR middle-end/27337
12529 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
12530 around RESULT_DECL for result passed by reference.
12531 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
12532 * omp-low.c (use_pointer_for_field): Don't look at
12533 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
12534 (scan_omp_1): Call remap_decl on RESULT_DECLs.
12535 (lower_rec_input_clauses): Don't allocate VLA memory for the second
12536 time or var for passing by reference for
12537 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
12538 TREE_ADDRESSABLE variables when passing by reference.
12540 * omp-low.c (dump_omp_region): Fix output formatting.
12542 PR middle-end/27328
12543 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
12544 (expand_omp_parallel): Likewise.
12545 * tree-cfg.c (move_sese_region_to_fn): Likewise.
12547 PR middle-end/27325
12548 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
12549 on statement list containing also constructors and destructors.
12550 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
12552 PR middle-end/27310
12553 * except.c (duplicate_eh_regions): Fix clearing of
12554 cfun->eh->region_array entries.
12556 2006-05-01 DJ Delorie <dj@redhat.com>
12558 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
12560 (gcc_cv_objdump): Likewise.
12561 * configure: Regenerated.
12563 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
12566 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
12567 templates for case 3 and 4.
12569 2006-05-01 DJ Delorie <dj@redhat.com>
12571 * vec.c: Include bconfig.h when appropriate.
12572 * Makefile.in (build/vec.o): Adjust dependencies.
12573 * mkconfig.sh: Make sure config.h isn't used for build machine
12576 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12578 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
12580 (mark_phi_for_rewrite): New function.
12581 (insert_phi_nodes_for, mark_use_interesting): Call
12582 mark_phi_for_rewrite.
12583 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
12584 (update_ssa): Initialize and free phis_to_rewrite.
12586 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12588 PR rtl-optimization/27291
12589 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
12590 folded to a constant.
12592 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12594 PR tree-optimization/27283
12595 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
12596 not whole # of iteration descriptions.
12597 (niter_for_exit): Return just # of iterations. Fail if # of iterations
12598 uses abnormal ssa name.
12599 (niter_for_single_dom_exit): Ditto.
12600 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
12601 return just the number of iterations.
12603 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12605 PR tree-optimization/27144
12606 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
12607 (record_estimate): Only record constant upper bound.
12608 (infer_loop_bounds_from_undefined): Call
12609 compute_estimated_nb_iterations just once.
12610 (proved_non_wrapping_p): Renamed to ...
12611 (n_of_executions_at_most): ... this. Expect bound to be a constant.
12612 (convert_step_widening, scev_probably_wraps_p): Call
12613 n_of_executions_at_most instead of proved_non_wrapping_p.
12614 (substitute_in_loop_info): Do not replace values in bounds.
12615 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
12618 2006-05-01 Richard Henderson <rth@redhat.com>
12621 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
12622 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
12625 2006-05-01 Roger Sayle <roger@eyesopen.com>
12627 * c-typeck.c (parser_build_binary_op): Don't call the function
12628 unsigned_conversion_warning to spot operand/result type overflow.
12629 (build_binary_op): Instead, call convert_and_check instead of
12630 convert to report the problem when the operands are promoted.
12631 * c-common.c (unsigned_conversion_warning): Make static.
12632 * c-common.h (unsigned_conversion_warning): Delete prototype.
12634 2006-05-01 Richard Guenther <rguenther@suse.de>
12636 PR tree-optimization/26726
12637 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
12639 (find_interesting_uses_address): ... we work around here
12640 by folding INDIRECT_REFs in the substituted base.
12642 2006-05-01 Diego Novillo <dnovillo@redhat.com>
12644 * omp-low.c (dump_omp_region): Add newlines.
12646 2006-04-30 Roger Sayle <roger@eyesopen.com>
12648 * common.opt (Woverflow): New command line option.
12649 * c-common.c (constant_expression_warning): Check warn_overflow.
12650 (overflow_waring): Pass OPT_Woverflow to warning.
12651 (unsigned_conversion_warning): Likewise.
12652 (convert_and_check): Likewise.
12653 * doc/invoke.texi: Document new command line option.
12655 2006-04-30 David Edelsohn <edelsohn@gnu.org>
12657 * config/rs6000/rs6000.c (rs6000_override_options): Enable
12658 TARGET_NO_FP_IN_TOC for section anchors.
12659 (optimization_options): Enable section anchors for all
12660 non-"Objective" languages.
12662 2006-04-28 Eric Christopher <echristo@apple.com>
12664 * config/darwin-c.c (darwin_ms_struct): Move this
12665 (darwin_set_default_type_attributes): and this...
12666 * config/darwin.c: ... here.
12667 * config/darwin.h (darwin_ms_struct): Declare.
12669 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
12671 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
12673 2006-04-28 Roger Sayle <roger@eyesopen.com>
12676 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
12677 (push_array_bounds): Delete prototype. Change BOUNDS argument to
12678 an unsigned HOST_WIDE_INT.
12679 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
12681 (really_start_incremental_init): No need to call convert because
12682 bitsize_zero_node is already of type bitsizetype.
12683 (push_init_level): Extract the value of constructor_index as an
12684 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
12685 (process_init_element): Likewise.
12687 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
12689 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
12690 value before passing to make_relative_prefix.
12692 2006-04-28 Alan Modra <amodra@bigpond.net.au>
12694 PR middle-end/27260
12695 * builtins.c (expand_builtin_memset): Expand val in original mode.
12697 2006-04-27 Eric Christopher <echristo@apple.com>
12699 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
12700 with #ifndef/#endif.
12701 * config/darwin-c.c (darwin_ms_struct): New.
12702 (darwin_pragma_ms_struct): Ditto.
12703 (darwin_set_default_type_attributes): Ditto.
12704 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
12705 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
12706 Register ms_struct pragma.
12707 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
12708 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
12709 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
12710 darwin_set_default_type_attributes if TARGET_MACHO.
12712 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
12714 PR tree-optimization/26854
12715 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
12716 * doc/tree-ssa.texi: Update immuse iterator documentation.
12717 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
12718 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
12719 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
12720 first_safe_imm_use, next_safe_imm_use): Remove.
12721 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
12722 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
12723 (move_use_after_head): New. Helper function to sort immuses in a stmt.
12724 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
12725 (first_imm_use_stmt): New. Get first stmt in an immuse list.
12726 (next_imm_use_stmt): New. Get next stmt in an immuse list.
12727 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
12728 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
12729 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
12730 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
12731 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
12732 (perfect_nestify): Use new iterator.
12733 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
12735 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
12736 (next_imm_name): New field in struct immediate_use_iterator_d.
12737 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
12738 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
12739 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
12740 * tree-cfg.c (replace_uses_by): Use new iterator.
12741 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
12742 * tree-ssa-operands.c (correct_use_link): Remove.
12743 (finalize_ssa_use_ops): No longer call correct_use_link.
12745 2006-04-27 Stuart Hastings <stuart@apple.com>
12747 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
12748 * config/t-darwin (crt3.o): Use it.
12749 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
12750 'pmode', use Pmode instead of SImode for SYMBOL_REF.
12751 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
12752 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
12753 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
12756 2006-04-27 Roger Sayle <roger@eyesopen.com>
12758 * expmed.c (store_fixed_bit_field): If we're not optimizing for
12759 size, force the intermediate into a new pseudo rather instead of
12760 performing both a bitwise AND and a bitwise IOR in memory.
12762 2006-04-27 Richard Guenther <rguenther@suse.de>
12764 PR rtl-optimization/26685
12765 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
12766 this one "max-flow-memory-locations".
12768 2006-04-27 Richard Guenther <rguenther@suse.de>
12770 PR tree-optimization/25148
12771 * tree-vrp.c (compare_values): Remove code dealing with
12772 comparisons against type min/max value. Honour overflow
12773 and negative constants in code dealing with comparisons
12774 of plus and minus expressions.
12775 (value_inside_range): Use fold_binary with LE_EXPR and
12776 GE_EXPR rather than compare_values.
12778 2006-04-27 Dirk Mueller <dmueller@suse.de>
12780 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
12783 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
12785 * basic-block.h (safe_insert_insn_on_edge): Removed.
12786 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
12788 2006-04-26 David Edelsohn <edelsohn@gnu.org>
12789 Paolo Bonzini <bonzini@gnu.org>
12791 PR middle-end/27282
12792 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
12793 (simplify_and_const_int): Same.
12795 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
12797 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
12799 2006-04-26 Jakub Jelinek <jakub@redhat.com>
12802 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
12803 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
12804 cgraph_global_info_ready.
12806 PR middle-end/26913
12807 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
12810 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
12811 either decl or init is error_mark_node.
12813 PR middle-end/25989
12814 * tree-flow.h (struct omp_region): Add sched_kind.
12815 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
12816 instead of extracting omp for data.
12817 (expand_omp_for): Save extracted sched_kind.
12819 2006-04-25 Roger Sayle <roger@eyesopen.com>
12821 * expmed.c (store_bit_field): Also check whether the bitsize is
12822 valid for the machine's "insv" instruction before moving the
12823 target into a pseudo for use with the insv.
12824 * config/i386/predicates.md (const8_operand): New predicate.
12825 * config/i386/i386.md (extv, extzv, insv): Use the new
12826 const8_operand predicate where appropriate.
12828 2006-04-25 DJ Delorie <dj@redhat.com>
12830 * doc/install.texi (Specific): Clarify that this is not a list of
12831 supported hosts or targets.
12833 2006-04-25 Richard Sandiford <richard@codesourcery.com>
12835 PR rtl-optimization/26725
12836 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
12837 block's BB_DIRTY flag.
12839 2006-04-25 Geoffrey Keating <geoffk@apple.com>
12841 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
12844 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
12845 to print an integer.
12847 2006-04-25 David Edelsohn <edelsohn@gnu.org>
12849 * varasm.c (align_variable): New function.
12850 (get_block_for_decl): Apply align_variable to DECL before
12851 calculating section information.
12852 (assemble_variable): Split out alignment computation.
12854 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
12856 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
12859 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
12861 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
12862 MODE_PARTIAL_INT mode.
12863 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
12864 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
12866 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
12867 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
12869 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
12871 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
12873 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
12874 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
12875 MACFLAG_IH): Likewise.
12876 (movstricthi_1): Renamed from "*movstricthi".
12877 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
12878 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
12879 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
12880 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
12881 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
12882 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
12883 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
12884 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
12885 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
12886 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
12887 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
12888 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
12889 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
12890 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
12891 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
12893 * doc/rtl.texi (ss_ashift): Improve wording.
12895 2006-04-24 Geoffrey Keating <geoffk@apple.com>
12897 * dwarf2out.c (verify_marks_clear): New.
12898 (prune_unused_types): Call verify_marks_clear initially, not
12901 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
12903 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
12904 * doc/rtl.texi: Document them.
12905 * simplify-rtx.c (simplify_unary_operation,
12906 simplify_binary_operation_1): Don't abort when we see them.
12908 2006-04-24 Mark Mitchell <mark@codesourcery.com>
12911 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12912 * configure.ac: Completely disregard languages that are not
12914 * configure: Regenerated.
12916 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12917 Richard Guenther <rguenther@suse.de>
12919 PR tree-optimization/27236
12920 * tree-inline.c (copy_body_r): Make sure to copy
12921 TREE_THIS_VOLATILE flag.
12923 2006-04-24 Richard Guenther <rguenther@suse.de>
12925 PR middle-end/26869
12926 * tree-complex.c (update_parameter_components): Don't handle
12927 unused parameters which have no default def.
12929 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12930 Richard Guenther <rguenther@suse.de>
12932 PR tree-optimization/27218
12933 * tree-inline.c (expand_call_inline): Strip useless type
12934 conversions for the return slot address.
12936 2006-04-24 Richard Guenther <rguenther@suse.de>
12938 * cfgloop.h (struct loops): Remove unused field array. Reorder
12940 (LOOP_PREFETCH): Remove.
12942 2006-04-24 Richard Guenther <rguenther@suse.de>
12944 PR tree-optimization/22525
12945 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
12946 variable, adjust types of generated expressions.
12948 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
12950 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
12951 (tree-vect-patterns.o): Likewise.
12952 (jump.o): Likewise.
12953 (cselib.o): Likewise.
12954 (loop-doloop.o): Likewise.
12955 (regclass.o): Likewise.
12956 (reload1.o): Likewise.
12957 (explow.o): Replace target.h with $(TARGET_H).
12958 (ipa-prop.o): Likewise.
12959 (ipa-cp.o): Likewise.
12960 (ipa-inline.o): Likewise.
12961 (reorg.o): Likewise.
12962 (reg-stack.o): Likewise.
12964 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12966 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
12968 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12970 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
12972 * configure.ac: Completely disregard languages that are not
12974 * configure: Regenerated.
12977 * c-common.h (c_build_bitfield_integer_type): Declare.
12978 * c-decl.c (c_build_bitfield_integer_type): Move to ...
12979 * c-common.c (c_build_bitfield_integer_type): ... here.
12981 2006-04-23 Roger Sayle <roger@eyesopen.com>
12984 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
12985 a SImode SUBREG of a floating point register after no_new_pseudos.
12987 2006-04-23 Roger Sayle <roger@eyesopen.com>
12989 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
12990 identify potentially eliminable registers to additionally catch
12991 VIRTUAL_INCOMING_ARGS_REGNUM.
12992 (addsi3): Update the conditions on when to use addsi_small_int.
12994 2006-04-23 Roger Sayle <roger@eyesopen.com>
12997 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
12998 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
12999 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13001 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13003 * fold-const.c (range_predecessor): Use operand_equal_p
13004 as the predicate for equality.
13005 (range_successor): Likewise.
13007 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13010 * config/soft-fp/op-common.h: Fix a typo.
13012 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
13014 PR libmudflap/26864
13015 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13016 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13018 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13020 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13022 * doc/tm.texi: Fix a typo.
13024 2006-04-21 Geoffrey Keating <geoffk@apple.com>
13026 * dwarf2out.c (struct die_struct): Document that die_sib makes
13027 a circular linked list.
13028 (FOR_EACH_CHILD): New.
13029 (reverse_die_lists): Delete.
13030 (reverse_all_dies): Delete.
13031 (add_dwarf_attr): Correct documentation.
13032 (remove_child_with_prev): New.
13033 (remove_child_TAG): Update for change to die_struct, use
13034 remove_child_with_prev.
13035 (add_child_die): Update for change to die_struct.
13036 (splice_child_die): Use remove_child_with_prev and add_child_die.
13037 (print_die): Use FOR_EACH_CHILD.
13038 (die_checksum): Likewise.
13039 (assign_symbol_names): Likewise.
13040 (output_location_lists): Likewise.
13041 (build_abbrev_table): Likewise.
13042 (calc_die_sizes): Likewise.
13043 (mark_dies): Likewise.
13044 (unmark_dies): Likewise.
13045 (unmark_all_dies): Likewise.
13046 (output_die): Likewise.
13047 (prune_unused_types_mark): Likewise.
13048 (prune_unused_types_walk): Likewise.
13049 (same_die_p): Update for change to die_struct.
13050 (break_out_includes): Likewise.
13051 (prune_unused_types_prune): Likewise.
13052 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13053 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13054 it's already clear.
13055 (dwarf2out_finish): Don't call reverse_all_dies.
13057 2006-04-21 Eric Christopher <echristo@apple.com>
13059 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13060 in comments and function names.
13062 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13065 * c-typeck.c (digest_init): Robustify.
13067 * c-typeck.c (pop_init_level): Simplify.
13069 2006-04-21 Steve Ellcey <sje@cup.hp.com>
13071 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13073 2006-04-21 Paul Brook <paul@codesourcery.com>
13075 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13076 hardware floating point.
13078 2006-04-21 David Edelsohn <edelsohn@gnu.org>
13080 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13083 2006-04-21 Nick Clifton <nickc@redhat.com>
13085 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13088 2006-04-21 Alan Modra <amodra@bigpond.net.au>
13091 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
13092 C++ lang type in traceback table for Objective-C++.
13094 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
13096 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
13098 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
13100 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13103 * tree-mudflap.c (mudflap_finish_file): Skip function when there
13104 were errors. Remove check for erroneous objects.
13106 2006-04-20 Jeff Law <law@redhat.com>
13108 PR tree-optimization/26854
13109 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
13110 checking for zero or one use.
13111 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
13112 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
13113 * tree-ssa-reassoc.c (negate_value): Similarly.
13114 (reassociate_bb): Similarly.
13116 2006-04-20 Jakub Jelinek <jakub@redhat.com>
13119 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
13120 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
13121 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
13123 2006-04-20 Alan Modra <amodra@bigpond.net.au>
13125 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
13126 fp regs if the last fp arg doesn't fit in regs.
13128 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
13131 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
13132 that the last insn has the REG_INC note.
13134 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
13135 Nathan Sidwell <nathan@codesourcery.com>
13138 * stor-layout.c (update_alignment_for_field): Do not align
13140 (place_union_field): Place union field at the start of the union.
13141 (place_field): Move ERROR_MARK check later, and use the current
13142 allocation position to maintain monotonicity.
13144 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
13146 * dominance.c: Include timevar.h.
13147 (calculate_dominance_info): Use TV_DOMINANCE.
13148 * timevar.def (TV_DOMINANCE): New timevar.
13149 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
13151 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13153 PR rtl-optimization/14261
13154 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
13155 move would be an INSV insn.
13156 (noce_process_if_block): Don't optimize if the destination is a
13157 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
13159 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13161 * config/s390/s390.md: Add comments with the instructions emitted
13162 by an insn pattern if macros are used.
13164 2006-04-19 Alan Modra <amodra@bigpond.net.au>
13166 PR rtl-optimization/26026
13167 * fold-const.c (fold_binary): Optimize div and mod where the divisor
13168 is a known power of two shifted left a variable amount.
13170 2006-04-18 Geoffrey Keating <geoffk@apple.com>
13172 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
13173 to hash table twice when the debug_str section has SECTION_MERGE.
13175 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
13177 * config/soft-fp: New directory. From glibc.
13178 * config/soft-fp/t-softfp: New.
13179 * config/soft-fp/README: New.
13180 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
13181 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
13182 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
13183 (LIBGCC_DEPS): Add $(SFP_MACHINE).
13184 * config.gcc: Use rs6000/t-fprules-fpbit or
13185 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
13187 * config/rs6000/sfp-machine.h: New. Based on glibc.
13188 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
13190 * config/rs6000/t-fprules: Remove fp-bit rules.
13191 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
13192 * config/rs6000/t-linux64: Likewise. Remove duplicates from
13193 LIB2FUNCS_EXTRA. Remove fp-bit rules.
13194 (softfp_wrap_start, softfp_wrap_end): New.
13196 2006-04-18 DJ Delorie <dj@redhat.com>
13198 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
13200 2006-04-18 Devang Patel <dpatel@apple.com>
13202 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
13204 2006-04-18 Nick Clifton <nickc@redhat.com>
13206 * config/sh/t-symbian: Add rule to build sh-c.o
13207 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
13208 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
13209 (sh_symbian_encode_section_info): Likewise.
13211 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
13213 * builtins.c (expand_builtin_strcmp): Cover label definition of
13214 do_libcall with HAVE_cmpstrnsi.
13216 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
13218 * function.c (temp_slots_at_level, max_slot_level): Use VEC
13220 * function.h (temp_slot_p): New.
13221 (function): Change the type of x_used_temp_slots to
13222 VEC(temp_slot_p,gc) *.
13224 2006-04-18 Nick Clifton <nickc@redhat.com>
13226 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
13227 flag_strength_reduce.
13229 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
13231 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13235 Partial revert of revision 112637
13236 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13237 Dale Johannesen <dalej@apple.com>
13240 * regclass.c (struct reg_pref): Update documentation.
13241 (regclass): Set prefclass to NO_REGS if memory is the best option.
13242 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13244 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13246 PR tree-optimization/26821
13247 * tree-ssa-math-opts.c (get_constant_one): New.
13248 (insert_reciprocals): Use it.
13250 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13252 * dwarf2out.c (free_AT): Delete.
13253 (remove_AT): Update string ref counts.
13254 (remove_child_TAG): Don't call free_die.
13255 (free_die): Delete.
13256 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13257 or DW_TAG_GNU_EINCL.
13258 (prune_unused_types_walk_attribs): Reset string refcounts.
13259 (prune_unused_types_update_strings): New.
13260 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13261 call free_die. Do call prune_unused_types_update_strings.
13262 (prune_unused_types): Empty debug_str_hash.
13264 2006-04-17 Roger Sayle <roger@eyesopen.com>
13266 * expr.c (expand_assignment): Optimize away no-op moves where the
13267 source and destination are equal and have no side-effects.
13269 2006-04-17 Richard Guenther <rguenther@suse.de>
13272 * reload.c (push_reload): Guard calls to get_secondary_mem
13273 for memory subregs.
13275 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13277 * alias.c (reg_base_value, old_reg_base_value): Change the
13278 type to VEC(rtx,gc) *.
13279 (REG_BASE_VALUE, find_base_value, record_set,
13280 init_alias_analysis): Use VEC instead of VARRAY.
13282 * alias.c (alias_sets): Change the type to
13283 VEC(alias_set_entry,gc) *.
13284 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13285 VEC instead of VARRAY.
13286 (last_alias_set): Remove.
13288 * cgraph.h (cgraph_edge_p): New.
13289 Update the prototype of cgraph_function_versioning.
13290 * cgraphunit.c (cgraph_copy_node_for_versioning,
13291 cgraph_function_versioning): Use VEC instead of VARRAY.
13292 * ipa-cp.c (ipcp_insert_stage): Likewise.
13294 2006-04-16 Roger Sayle <roger@eyesopen.com>
13297 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13298 "A op B" or "A op C", we may need to convert A to the type of B and C.
13300 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13302 * target.h (struct gcc_target): Add mode_rep_extended.
13303 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13304 (init_num_sign_bit_copies_in_rep): Initialize it using
13306 (truncate_to_mode): Use it.
13307 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13308 * targhooks.h (default_mode_rep_extended): Declare it.
13309 * targhooks.c (default_mode_rep_extended): Define it.
13310 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13311 default_mode_rep_extended.
13312 (TARGET_INITIALIZER): Include it.
13313 * doc/tm.texi (Misc): Document it.
13314 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13315 (mips_truncated_to_mode): New function.
13317 2006-04-16 Roger Sayle <roger@eyesopen.com>
13319 PR middle-end/25474
13320 * expr.c (compress_float_constant): Copy the narrow constant into
13321 a new pseudo before extending it to its final width.
13323 2006-04-16 Roger Sayle <roger@eyesopen.com>
13324 Andrew Pinski <pinskia@gcc.gnu.org>
13325 Dale Johannesen <dalej@apple.com>
13328 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13329 special case code to implement V8HImode and V16QImode with SSE2.
13331 2006-04-15 Roger Sayle <roger@eyesopen.com>
13333 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13334 trees are constructed with a suitable tree type.
13336 2006-04-15 Roger Sayle <roger@eyesopen.com>
13338 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13339 (integer_onep): Likewise.
13340 (integer_all_onesp): Likewise.
13341 (integer_pow2p): Likewise.
13342 (integer_nonzerop): Likewise.
13343 (real_zerop): Likewise.
13344 (real_onep): Likewise.
13345 (real_twop): Likewise.
13346 (real_minus_onep): Likewise.
13347 (int_size_in_bytes): Likewise.
13348 (host_integerp): Likewise.
13350 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13352 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13353 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13354 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13356 * tree-ssa-structalias.h (alias_info): Remove num_references.
13358 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13360 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13361 (output_bvb patterns): Likewise.
13362 * pa.c (output_bb): Use 'bb' insn for long branch case.
13363 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13364 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13365 1. Correct length operand for alternatives 1 and 2.
13366 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13367 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13369 2006-04-14 Roger Sayle <roger@eyesopen.com>
13371 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13372 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13373 were accidentally reverted by r112959.
13375 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13377 PR middle-end/26823
13378 * except.h (eh_region_outermost): New prototype.
13379 * except.c (eh_region_outermost): New function.
13380 * tree-cfg.c (find_outermost_region_in_block): Use it.
13382 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13384 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13386 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13387 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13388 (init_reload, reload): Use VEC instead of VARRAY.
13389 * reload.h: Update the prototype for
13390 reg_equiv_memory_loc_varray.
13392 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13393 Eric Botcazou <ebotcazou@libertysurf.fr>
13395 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13396 register save area.
13398 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13400 PR middle-end/27134
13401 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13402 to expand fallback builtin function call.
13404 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13406 PR middle-end/27095
13407 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13408 and emit libcall here in case the builtin fails.
13409 (expand_builtin_strcmp): Always emit the libcall here on failure.
13411 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13413 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13414 * flow.c (reg_n_info): Change the type to
13415 VEC(reg_info_p,heap) *.
13416 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13418 * regs.h (reg_info_p): New.
13419 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13420 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13421 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13424 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13426 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13428 * params.h (MAX_SCHED_READY_INSNS): New macro.
13429 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13430 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13431 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13432 the ready list for 1 cycle during the first scheduling pass.
13433 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13435 2006-04-13 Richard Henderson <rth@redhat.com>
13438 * gimple-low.c (lower_omp_directive): Remove dead code.
13439 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13440 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13441 * omp-low.c (struct omp_region): Move to tree-flow.h.
13442 (root_omp_region): Export.
13443 (omp_regions, lookup_omp_region): Remove.
13444 (determine_parallel_type): Update for struct omp_region changes.
13445 (dump_omp_region): Dump regions with block numbers.
13446 (new_omp_region): Take type and block instead of stmt; malloc
13448 (free_omp_region_1, free_omp_regions): New.
13449 (expand_parallel_call): Take entry_stmt as argument; update for
13450 changes to omp_region.
13451 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
13452 (remove_exit_barriers): New.
13453 (expand_omp_parallel): Update for struct omp_region changes.
13454 (expand_omp_synch): Likewise.
13455 (expand_omp): Likewise.
13456 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
13457 (expand_omp_for_static_chunk): Likewise.
13458 (expand_omp_for): Likewise.
13459 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
13460 (expand_omp_sections): Similarly, with GOMP_sections_end.
13461 (expand_omp_single): New.
13462 (build_omp_regions_1): Update for OMP_CONTINUE.
13463 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
13464 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
13465 OMP_SECTIONS_SECTIONS.
13466 (lower_omp_single_simple): Don't emit barrier here.
13467 (lower_omp_single_copy): Likewise.
13468 (lower_omp_single): Fix bindings, and lower to straightline now.
13469 (lower_omp_master, lower_omp_ordered): Likewise.
13470 (lower_omp_critical): Likewise.
13471 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
13472 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
13473 omp edges, free it afterward.
13474 (make_omp_sections_edges): Remove.
13475 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
13476 (move_stmt_r): Handle OMP_CONTINUE.
13477 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
13478 statement pointers to basic blocks. Add type member.
13479 (root_omp_region, new_omp_region, free_omp_regions): Declare.
13480 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
13481 * tree-inline.c (estimate_num_insns_1): Likewise.
13482 * tree-pretty-print.c (dump_generic_node): Likewise.
13483 * tree-ssa-operands.c (get_expr_operands): Likewise.
13484 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
13485 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
13486 (OMP_CONTINUE): New.
13487 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
13488 (OMP_SECTIONS_SECTIONS): Remove.
13489 (OMP_SECTION_LAST): New.
13490 (OMP_RETURN_NOWAIT): New.
13492 2006-04-13 Roger Sayle <roger@eyesopen.com>
13494 * fold-const.c (native_encode_vector, native_interpret_real):
13495 Correct obvious mistakes in the previous check-in.
13497 2006-04-13 Roger Sayle <roger@eyesopen.com>
13499 * fold-const.c (native_encode_expr): New function to encode
13500 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
13501 or VECTOR_CST into a specified buffer.
13502 (native_encode_int): New function.
13503 (native_encode_real): New function.
13504 (native_encode_complex): New function.
13505 (native_encode_vector): New function.
13506 (native_interpret_expr): Inverse of native_encode_expr to convert
13507 a target representation into an INTEGER_CST, REAL_CST etc...
13508 (native_interpret_int): New function.
13509 (native_interpret_real): New function.
13510 (native_interpret_complex): New function.
13511 (native_interpret_vector): New function.
13512 (fold_view_convert_expr): New function to constant fold/evaluate
13513 a VIEW_CONVERT_EXPR of a suitable constant expression.
13514 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
13515 Change call of build1 to fold_build1 when constructing a
13518 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
13519 Ulrich Weigand <uweigand@de.ibm.com>
13522 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
13525 2006-04-13 Alan Modra <amodra@bigpond.net.au>
13528 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
13529 optimize to lo_sum for DFmode if !TARGET_FPRS.
13531 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13533 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
13534 delete_alias_info, compute_flow_sensitive_aliasing,
13535 group_aliases): Use VEC instead of VARRAY.
13536 * tree-ssa-structalias.c (update_alias_info): Likewise.
13537 * tree-ssa-structalias.h (alias_info): Change the type of
13538 processed_ptrs to VEC(tree,heap) *.
13540 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
13543 * config/sh/lib1funcs.h: New file, broken out of:
13544 * config/sh/lib1funcs.asm.
13545 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
13547 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
13548 * config/sh/lib1funcs-Os-4-200.asm: New file.
13549 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
13550 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
13551 (EXTRA_MULTILIB_PARTS): Include it.
13552 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
13553 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
13554 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
13555 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
13558 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13560 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
13561 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
13562 tpa_compact, root_var_init, type_var_init): Use VEC instead of
13564 * tree-ssa-live.h: Include vecprim.h.
13565 (tree_partition_associator_d): Change the type of
13566 first_partition to VEC(int,heap) *.
13567 (tpa_first_partition): Use VEC instead of VARRAY.
13569 * Makefile.in (GTFILES): Move functions.h after tree.h.
13570 * function.c (reset_block_changes, record_block_change,
13571 check_block_change, free_block_changes): Use VEC instead of
13573 * function.h (function): Change the type of
13574 ib_boundaries_block to VEC(tree,gc) *.
13575 * tree-inline.c (copy_cfg_body): Initialize
13576 ib_boundaries_block to NULL instead of (varray_type) 0.
13578 2006-04-12 Roger Sayle <roger@eyesopen.com>
13580 * expr.c (emit_group_store): Correct operand order in call to
13581 subreg_lowpart_offset. Always create paradoxical SUBREGs with
13582 a SUBREG_BYTE of zero.
13584 2006-04-12 Richard Guenther <rguenther@suse.de>
13586 * profile.c (compute_branch_probabilities): Remove code
13587 encapsulated in !ir_type (), which are remanents of the
13588 removed RTL profiling code.
13589 * rtl-profile.c: Remove.
13591 2006-04-12 Alan Modra <amodra@bigpond.net.au>
13593 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
13594 magic NULL_RTX comment.
13595 (function_arg): Store entire fp arg to mem if any part should go
13597 (rs6000_arg_partial_bytes): Adjust for above change.
13599 2006-04-11 Roger Sayle <roger@eyesopen.com>
13601 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
13602 if it hasn't been initialized by dwarf2out_init.
13604 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
13606 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
13607 symbolic constants in branch patterns.
13609 2006-04-11 Roger Sayle <roger@eyesopen.com>
13611 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
13613 2006-04-11 Richard Sandiford <richard@codesourcery.com>
13615 PR rtl-optimization/27073
13616 * gcse.c (try_replace_reg): Revert last change. Continue to search
13617 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
13620 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
13622 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
13623 aggregate types other than record and union types.
13624 (function_arg): Likewise.
13625 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
13627 (function_value): In 64-bit mode, return objects that require it
13630 2006-04-11 Roger Sayle <roger@eyesopen.com>
13632 * dwarf2out.c (premark_used_types): Remove problematic prototype.
13634 2006-04-11 Jakub Jelinek <jakub@redhat.com>
13636 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
13638 2006-04-03 Jeff Law <law@redhat.com>
13641 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
13642 alias information too.
13644 2006-04-10 Mike Frysinger <vapier@gentoo.org>
13646 * Makefile.in (gcc-cross): Add $(exeext) to target name.
13648 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
13651 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
13652 (premark_used_types_helper): New.
13653 (premark_used_types): New.
13654 (gen_subprogram_die): Call premark_used_types.
13655 (prune_unused_types_walk): Do not prune perennial dies.
13656 * function.c (used_types_insert): New.
13657 * function.h (struct function): Add used_types_hash field.
13658 (used_types_insert): Add prototype.
13659 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
13660 * c-parser.c (c_parser_cast_expression): Save casted types in used
13663 2006-04-11 Mark Mitchell <mark@codesourcery.com>
13666 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
13667 rs6000_explicit_options.float_gprs.
13669 2006-04-10 Roger Sayle <roger@eyesopen.com>
13671 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
13672 from ix86_expand_vector_init_low_nonzero. Take an additional
13673 one_var argument indicating which element is non-zero. Support
13674 one_var != 0 for V4SFmode and V4SImode by permuting the result.
13675 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
13676 with one_var instead of ix86_expand_vector_init_low_nonzero.
13678 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
13680 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
13681 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
13682 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
13683 build/genextract.o): Depend on vecprim.h.
13684 * cfglayout.c, df-problems.c, function.c, genextract.c,
13685 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
13686 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
13690 2006-04-10 Geoffrey Keating <geoffk@apple.com>
13692 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
13693 Declare VECs of this type.
13694 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
13695 (remove_children): Delete.
13696 (add_dwarf_attr): Use VEC routines.
13697 (add_AT_flag): Update for changes to add_dwarf_attr.
13698 (add_AT_int): Likewise.
13699 (add_AT_unsigned): Likewise.
13700 (add_AT_long_long): Likewise.
13701 (add_AT_vec): Likewise.
13702 (add_AT_string): Likewise.
13703 (add_AT_die_ref): Likewise.
13704 (add_AT_fde_ref): Likewise.
13705 (add_AT_loc): Likewise.
13706 (add_AT_loc_list): Likewise.
13707 (add_AT_addr): Likewise.
13708 (add_AT_lbl_id): Likewise.
13709 (add_AT_lineptr): Likewise.
13710 (add_AT_macptr): Likewise.
13711 (add_AT_offset): Likewise.
13712 (add_AT_range_list): Likewise.
13713 (get_AT): Use VEC_iterate.
13714 (remove_AT): Use VEC_ordered_remove.
13715 (free_die): Fold remove_children into here; have it use VEC_iterate.
13716 (print_die): Use VEC_iterate on attrs.
13717 (reverse_die_lists): Don't reverse attr lists.
13718 (die_checksum): Use VEC_iterate on attrs.
13719 (same_die_p): Likewise.
13720 (output_location_lists): Likewise.
13721 (build_abbrev_table): Likewise.
13722 (size_of_die): Likewise.
13723 (unmark_all_dies): Likewise.
13724 (output_abbrev_section): Likewise.
13725 (output_die): Likewise.
13726 (prune_unused_types_walk_attribs): Likewise.
13728 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13730 * doc/install.texi (*-*-solaris2*): Point to the configure page.
13732 2006-04-10 Jakub Jelinek <jakub@redhat.com>
13735 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
13737 2006-04-09 Roger Sayle <roger@eyesopen.com>
13739 * expr.c (store_constructor): Don't bother clearing target if
13740 we're about to assign a vector to it using vec_init_optab.
13742 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
13744 * tree-ssa-alias.c (lhs_may_store_to): New function.
13745 (recalculate_used_alone): Handle LHS of calls.
13747 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13751 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
13752 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
13753 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
13754 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
13755 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
13756 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
13757 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
13758 stubs. Add ".align 8" directives before all ".dword" directives.
13759 (GTHREAD_USE_WEAK): Revise comment.
13760 (TARGET_ATTRIBUTE_WEAK): Define.
13761 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
13762 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
13763 * stublib.c: New file.
13768 * pa.md (cbranch patterns): Revise arguments used in calls to
13769 output_cbranch, output_bb and output_bvd. Add long branch length
13771 (fbranch patterns): Handle long branches.
13772 (jump): Revise length check. Revise arguments for output_lbranch call.
13773 Add long branch length attributes.
13774 (decrement_and_branch_until_zero): Add long branch length attributes.
13775 (output_movb, output_parallel_addb and output_parallel_movb patterns):
13776 Likewise. Revise arguments for output_parallel_addb and
13777 output_parallel_movb calls.
13778 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
13779 output_parallel_movb and output_parallel_addb): Update prototypes.
13780 * pa.c (output_cbranch): Revise arguments. Correct handling of
13781 nullification in long branches.
13782 (output_lbranch): Add new argument to control extraction of delay
13784 (output_bb): Handle long branches.
13785 (output_bvb, output_dbra, output_movb, output_parallel_movb,
13786 output_parallel_addb): Likewise.
13788 2006-04-09 Richard Sandiford <richard@codesourcery.com>
13790 PR rtl-optimization/27073
13791 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
13794 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
13796 * tree.h (tree_memory_tag): Add old_used_alone.
13797 (SMT_OLD_USED_ALONE): New macro.
13798 * tree-ssa-alias.c (recalculate_used_alone): Stop
13799 marking things for renaming unnecessarily.
13801 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
13803 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
13804 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
13805 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
13806 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
13807 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
13808 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
13809 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
13810 spelling convensions.
13811 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
13812 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
13813 typos. Follow spelling conventions.
13815 2006-04-07 DJ Delorie <dj@redhat.com>
13817 * config/m32c/m32c.c (m32c_function_arg): Structures are always
13818 passed on the stack.
13819 (m32c_init_cumulative_args): When a function returns a structure,
13820 always pass the pointer to that return area on the stack.
13821 (m32c_function_arg_advance): Don't increment the parameter number
13822 if we're processing the returned structure pointer.
13823 (pushm_info): Reverse order of registers.
13825 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
13827 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
13828 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13829 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
13830 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
13831 build_int_cst_type.
13832 * tree-chrec.c (chrec_fold_multiply_poly_poly,
13833 chrec_fold_multiply): Same.
13834 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
13835 force_expr_to_var_cost): Same.
13836 * tree-mudflap.c (mf_xform_derefs_1): Same.
13837 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
13839 2006-04-07 David Edelsohn <edelsohn@gnu.org>
13841 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
13842 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
13845 2006-04-07 Jan Hubicka <jh@suse.cz>
13847 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
13849 2006-04-07 Richard Guenther <rguenther@suse.de>
13851 PR tree-optimization/26135
13852 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
13853 loads for store copy-prop.
13854 (copy_prop_visit_stmt): Likewise.
13856 2006-04-05 Robert Millan <robertmh@gnu.org>
13858 * config/i386/linux.h: Add a comment to mark macros that are
13859 being overriden in config/k*bsd-gnu.h.
13860 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
13862 * config/knetbsd-gnu.h: Ditto.
13864 2006-04-06 Jan Hubicka <jh@suse.cz>
13868 * coverage.c (coverage_checksum_string): Reorganize loop to not read
13871 2006-04-06 Mike Stump <mrs@apple.com>
13873 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
13874 for HAVE_nonlocal_goto to be consistent.
13875 (expand_builtin_nonlocal_goto): Likewise.
13876 (expand_builtin_strcmp): Use #ifdef instead of #if
13877 for HAVE_cmpstrnsi to be consistent.
13879 2006-04-05 DJ Delorie <dj@redhat.com>
13881 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
13884 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
13886 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
13887 got-relative addressing for anything but SImode.
13889 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
13890 even if the calling function doesn't modify them.
13892 2006-04-05 Richard Guenther <rguenther@suse.de>
13894 PR tree-optimization/26919
13895 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
13896 to cgraph_estimate_size_after_inlining.
13898 2006-04-05 Alan Modra <amodra@bigpond.net.au>
13900 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
13902 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
13904 PR tree-optimization/26996
13905 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
13906 VECTOR_TYPE variables.
13908 2006-04-05 Richard Guenther <rguenther@suse.de>
13910 PR tree-optimization/26763
13911 * fold-const.c (fold_comparison): Move folding of
13912 PTR + CST CMP PTR + CST ...
13913 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
13915 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
13917 * doc/install.texi (Prerequisites): Refine some wording on
13918 bootstrapping and ksh.
13919 Move the version numbers of DejaGnu here from the testing section
13920 and fix casing of names.
13921 Fix markup and clarify wording for autogen requirements.
13922 Refer to GCJ instead of just java.
13923 Refer to SVN instead of CVS.
13924 Describe diffutils as useful instead of necessary.
13925 (Downloading the source): Refer to SVN instead of CVS.
13926 Adjust a link to our web site accordingly.
13927 (Configuration): Fix casing of Bison.
13928 (Building): Refer to SVN instead of CVS.
13929 Fix a sentence on the use of Bison and remove duplicate (and
13930 incorrect) version number of Bison requirement.
13931 Remove one redundant list of packages needed for building.
13932 (Specific): Avoid reference to CVS.
13934 2006-04-04 Eric Christopher <echristo@apple.com>
13936 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
13937 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
13938 (rs6000_handle_struct_attribute): New.
13939 (rs6000_ms_bitfield_layout_p): Ditto.
13941 2006-04-04 Geoffrey Keating <geoffk@apple.com>
13943 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
13944 NULL for dso parameter to atexit_common.
13946 2006-04-04 Eric Christopher <echristo@apple.com>
13948 * config/i386/i386.c (machopic_output_stub): Output \t
13949 between instructions and operands.
13951 2006-04-04 David Edelsohn <edelsohn@gnu.org>
13953 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
13954 satisfies_constraint_[IL] to explicit tests on value.
13956 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
13958 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13959 set_nb_iterations_in_loop): Use build_int_cst instead of
13960 build_int_cst_type.
13961 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
13962 build_int_cst instead of convert.
13964 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
13966 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
13967 new value 2 for incoming.
13968 * function.c (expand_function_start): Call struct_value_rtx
13969 with incoming as 2.
13970 * config/sparc/sparc.md: Comment updated_return.
13971 * config/sparc/sparc.opt: Add -mstd-struct-return option.
13972 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
13973 struct return if sparc_std_struct_return and incoming is 2.
13974 (print_operand): Do not adjust return if
13975 sparc_std_struct_return.
13977 2006-04-04 Roger Sayle <roger@eyesopen.com>
13979 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
13980 convert in the middle-end.
13981 * expr.c (store_expr, store_constructor, get_inner_reference,
13982 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
13984 * tree.c (build_range_type): Likewise.
13986 2006-04-04 Tom Tromey <tromey@redhat.com>
13988 * doc/install.texi (Prerequisites): Mention jar.
13990 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
13992 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
13995 2006-04-04 Matthias Klose <doko@debian.org>
13997 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14001 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14004 2006-04-03 Geoffrey Keating <geoffk@apple.com>
14006 * doc/extend.texi (Function Attributes): Rewrite visibility
14007 attribute documentation.
14008 * doc/invoke.texi (C++ Dialect Options): Rewrite
14009 -fvisibility-inlines-hidden documentation to describe something
14010 entirely different, although in practise compatible.
14011 (Code Gen Options): Warn about system headers in -fvisibility=
14014 * doc/extend.texi (Other Builtins): Document that
14015 __builtin_nan is a compile-time constant only when its argument
14018 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
14020 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14021 trying to remove TRUNCATE check if all bits outside the new mode
14022 are identical to the sign bit.
14024 2006-04-03 Jeff Law <law@redhat.com>
14026 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14027 and operand scanning in some common cases.
14029 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14030 Dale Johannesen <dalej@apple.com>
14033 * regclass.c (struct reg_pref): Update documentation.
14034 (regclass): Set prefclass to NO_REGS if memory is the best option.
14035 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14036 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14037 into account. For non-registers, equate an empty preferred
14038 reload class to a `!' in the constraint; move the if clause to
14039 do so after those that reject the insn.
14040 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14042 (find_dummy_reload): Likewise.
14043 * doc/tm.texi (Register Classes): Document what it means
14044 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14045 * config/i386/i386.c (ix86_preferred_reload_class): Force
14046 using SSE registers (and return NO_REGS for floating-point
14047 constants) if math is done with SSE.
14048 (ix86_preferred_output_reload_class): New.
14049 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14050 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14051 * config/i386/i386.md: Remove # register preferences.
14053 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14056 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14057 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14058 the type of nb_iter.
14059 (instantiate_parameters_1): Convert the operands before calling
14060 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14061 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14063 2006-04-02 Roger Sayle <roger@eyesopen.com>
14065 * builtins.c (dummy_object): Use build_int_cst instead of convert.
14066 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14067 instead of convert.
14068 * dojump.c (do_jump): Likewise.
14069 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14070 * gimplify.c (gimple_boolify, gimplify_init_constructor,
14071 gimplify_boolean_expr): Likewise.
14072 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14073 * varasm.c (array_size_for_constructor): Likewise.
14074 * tree-object-size.c (compute_object_offset): Likewise.
14076 2006-04-02 Roger Sayle <roger@eyesopen.com>
14078 PR middle-end/26977
14079 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14080 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14082 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14084 PR tree-optimization/26939
14085 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14087 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14089 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
14090 at_stmt. Convert the type of operands before calling
14091 build_polynomial_chrec.
14092 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
14093 add_to_evolution_1.
14094 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
14095 (instantiate_parameters_1): Convert the type of operands before calling
14096 build_polynomial_chrec.
14097 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
14098 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
14099 reset_evolution_in_loop): Insert asserts to check the types of the
14101 (chrec_type): Moved...
14102 (eq_evolutions_p): Use operand_equal_p.
14103 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
14104 the types of the operands.
14105 (chrec_type): ...here.
14106 * tree-data-ref.c (create_data_ref): Convert the operands before
14107 calling chrec_replace_initial_condition.
14108 (same_access_functions, analyze_subscript_affine_affine,
14109 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
14110 (compute_subscript_distance, analyze_ziv_subscript,
14111 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
14112 analyze_miv_subscript): Convert the operands before calling
14113 chrec_fold_minus or chrec_fold_plus.
14115 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14117 * tree-data-ref.c (compute_all_dependences): Use a pointer to
14118 the dependence_relations vector.
14119 (compute_data_dependences_for_loop): Adjust call to
14120 compute_all_dependences.
14122 2006-04-01 Roger Sayle <roger@eyesopen.com>
14123 Richard Henderson <rth@redhat.com>
14125 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
14126 gimple_boolify on the condition before calling gimplify_expr.
14128 2006-03-31 Bob Wilson <bob.wilson@acm.org>
14130 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
14131 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
14132 the frame size. Update to use the new macros.
14133 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
14134 * config/xtensa/ieee754-df.S: Likewise.
14136 2006-03-31 Richard Henderson <rth@redhat.com>
14138 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
14139 (make_edges): ... here. Control fallthru creation with a local
14140 variable. Do not play with fake edges.
14141 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
14142 (make_goto_expr_edges): Don't play with fake edges. Make for_call
14145 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
14147 * dwarf2.h (DW64_CIE_ID): Define.
14148 * dwarf2out.c (DWARF_CIE_ID): Define.
14149 (output_call_frame_info): Output 0xffffffff before standard 8-byte
14150 length header. Use DWARF_CIE_ID.
14151 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
14152 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
14154 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
14156 * config/sh/linux-atomic.asm: New file.
14157 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
14159 2006-03-31 DJ Delorie <dj@redhat.com>
14161 * config/m32c/cond.md: Set condition flags properly throughout.
14162 * config/m32c/minmax.md: Likewise.
14163 * config/m32c/prologue.md: Likewise.
14164 * config/m32c/bitops.md: Likewise.
14165 * config/m32c/muldiv.md: Likewise.
14166 * config/m32c/mov.md: Likewise.
14167 * config/m32c/addsub.md: Likewise.
14168 * config/m32c/m32c.md: Likewise.
14169 * config/m32c/jump.md: Likewise.
14170 * config/m32c/shift.md: Likewise.
14172 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
14173 conditionally output the pattern for this.
14174 * config/m32c/m32c.c (flags_needed_for_conditional): New.
14175 (m32c_compare_redundant): New.
14176 (m32c_output_compare): New.
14177 * config/m32c/m32c-protos.h (m32c_output_compare): New.
14179 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
14180 dest, not src. Allow other 4-byte modes.
14182 2006-03-30 Denis Chertykov <denisc@overta.ru>
14184 * doc/md.texi: Refer to avr/constraints.md instead of
14187 2006-03-30 Roger Sayle <roger@eyesopen.com>
14189 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
14190 signed vs. unsigned comparison failures on some hosts.
14192 2006-03-31 Alan Modra <amodra@bigpond.net.au>
14195 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
14196 change to FLOAT_REGS.
14198 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
14199 (rs6000_override_options): Use it.
14200 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
14201 only for -mabi=spe/no-spe and -mabi=altivec.
14203 2006-03-30 Geoffrey Keating <geoffk@apple.com>
14205 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
14208 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
14210 * Makefile.in: Rename docdir to gcc_docdir.
14212 2006-03-30 Roger Sayle <roger@eyesopen.com>
14215 * expr.c (emit_group_store): Optimize group stores into a pseudo
14216 register by using a paradoxical subreg to initialize the destination
14217 if the first or last member of the group specifies a "low part".
14219 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14222 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
14223 * target.h (struct gcc_target.speculate_insn): Change type of the
14224 second parameter to 'int'.
14225 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
14226 the second operand of the DEPS_LIST.
14227 (copy_DEPS_LIST_list): Update reference to the second operand of the
14229 * rtl.h (alloc_DEPS_LIST): Update signature.
14230 * sched-int.h (ds_t): Change typedef to 'int'.
14231 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14233 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14235 * haifa-sched.c (try_ready): Change condition to restore
14236 non-speculative pattern of the instruction.
14237 (process_insn_depend_be_in_spec): Code to keep probability of the
14238 speculative dependence non-decreasing.
14240 2006-03-30 Jie Zhang <jie.zhang@analog.com>
14242 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14243 (single_move_for_movmem): ... this. Also change all uses.
14244 (bfin_expand_strmov): Renamed to...
14245 (bfin_expand_movmem): ... this. Also change all uses.
14246 * config/bfin/bfin.md (movstrsi): Renamed to...
14247 (movstrsi): ...this.
14249 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14251 PR tree-optimization/26830
14253 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14254 (copy_prop_visit_stmt): Remove write-only variable ann.
14255 (init_copy_prop): Check variable loop depth here. Do not simulate
14256 memory-tag and virtual operand PHIs except for store copy prop.
14258 2006-03-30 Richard Guenther <rguenther@suse.de>
14260 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14261 variants with double arguments.
14263 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14265 * genpreds.c (write_tm_constrs_h): Delete variable p.
14266 * genconditions.c (write_header): Add tm-constrs.h to included
14268 * genpeep.c (main): Add toplev.h to included headers.
14269 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14270 (build/genpeep.o): Add toplev.h dependency.
14271 * config/rs6000/constraints.md: Add "W" constraint.
14273 2006-03-29 Roger Sayle <roger@eyesopen.com>
14275 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14276 sizes by correctly testing whether the size fits a host integer.
14277 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14278 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14279 SImode range for the default sizetype and bitsizetype.
14281 2006-03-29 Roger Sayle <roger@eyesopen.com>
14283 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14284 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14285 quickly if the argument is already of the correct type.
14286 Call fold_build1 instead of build1. Tidy up blank lines.
14288 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14290 * genemit.c (main): Add tm-constrs.h to included headers.
14291 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14292 * genpeep.c (main): Add tm-constrs.h to included headers.
14293 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14294 (write_tm_constrs_h): this and write complete file.
14295 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14296 (write_insn_preds_c): Add tm-constrs.h to included headers.
14297 (gen_constrs): New variable.
14298 (parse_option): Parse "-c".
14299 (main): Invoke write_tm_constrs_h.
14300 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14301 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14302 (object_out_file): Add tm-constrs.h dependency.
14303 (insn-emit.o): Same.
14304 (insn-output.o): Same.
14305 (insn-peep.o): Same.
14306 (insn-preds.o): Same.
14307 (insn-recog.o): Same.
14308 (tm-constsr.h): New target.
14309 (s-constrs-h): New target.
14311 * config/rs6000/constraints.md: New file.
14312 * config/rs6000/rs6000.c: Include tm-constrs.h.
14313 (num_insn_constant_wide): Convert to satisfies_constraint.
14314 (rs6000_rtx_costs): Convert to satisfies_constraint.
14315 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14316 (CONST_OK_FOR_LETTER_P): Delete.
14317 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14318 (EXTRA_CONSTRAINT): Delete.
14319 (EXTRA_MEMORY_CONSTRAINT): Delete.
14320 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14321 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14322 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14323 satisfies_constraint.
14325 * config/i386/i386.c: Include tm-constrs.h.
14327 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14329 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14330 * tree-data-ref.c (find_data_references_in_loop,
14331 compute_data_dependences_for_loop): Use pointers to VEC.
14332 (analyze_all_data_dependences): Adjust calls.
14333 * tree-data-ref.h (find_data_references_in_loop,
14334 compute_data_dependences_for_loop): Adjust declarations.
14335 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14336 compute_data_dependences_for_loop.
14338 2006-03-29 Paul Brook <paul@codesourcery.com>
14340 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14341 (movdf_vfp): Ditto.
14343 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14345 PR tree-optimization/26859
14346 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14348 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14349 for the step after fold_convert.
14351 2006-03-29 Paul Brook <paul@codesourcery.com>
14353 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14354 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14356 2006-03-29 Paul Brook <paul@codesourcery.com>
14358 PR middle-end/23623
14359 * targhooks.c (default_narrow_bitfield): New fuction.
14360 * targhooks.h (default_narrow_bitfield): add prototype.
14361 * target.h (gcc_target): Add narrow_volatile_bitfield.
14362 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14363 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14364 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14365 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14367 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14369 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14371 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14372 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14373 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14374 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14375 (s390_function_arg_float): Allow SDmode and DDmode values to be
14376 passed in floating point registers.
14377 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14378 check with SCALAR_FLOAT_MODE_P.
14379 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14381 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14383 PR tree-optimization/25985
14384 * tree-ssa-loop-niter.c (number_of_iterations_le,
14385 number_of_iterations_ne): Make comments more precise.
14386 (number_of_iterations_cond): Add only_exit argument. Use the
14387 fact that signed variables do not overflow only when only_exit
14389 (loop_only_exit_p): New.
14390 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14391 number_of_iterations_cond.
14393 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14395 PR tree-optimization/26643
14396 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14399 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14401 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14402 (divsi3_i4_int): Likewise.
14404 2006-03-28 Roger Sayle <roger@eyesopen.com>
14406 * expr.c (emit_group_store): Only create a new pseudo reg if the
14407 quantity it needs to hold isn't already a suitable pseudo.
14409 2006-03-28 Jeff Law <law@redhat.com>
14411 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14412 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14414 2006-03-28 Roger Sayle <roger@eyesopen.com>
14416 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14417 the equivalent ~X & Y, and the symmetry related transformations.
14418 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14419 ~X & Y, and symmetry related transforms.
14421 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14423 Revert my 2006-03-27 patches.
14425 2006-03-28 Roger Sayle <roger@eyesopen.com>
14427 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14428 ~(T1)X, when T1 and T2 are integer types of the same precision
14429 and (T2)X isn't an extension.
14431 2006-03-28 Jeff Law <law@redhat.com>
14433 PR tree-optimization/26796
14434 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14435 need EH edge cleanups rather than purging them immediately.
14436 (eliminate_degenerate_phis): Handle queued EH cleanups.
14438 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14440 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14443 2006-03-27 Roger Sayle <roger@eyesopen.com>
14445 PR middle-end/22524
14446 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14447 cast BIT_NOT_EXPR operand to the correct type.
14449 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
14451 * tree-loop-linear.c: Don't include varray.h.
14452 (gather_interchange_stats, try_interchange_loops,
14453 linear_transform_loops): Use VEC instead of VARRAY.
14454 * lambda-mat.c: Don't include varray.h.
14455 * tree-chrec.c: Same.
14456 * lambda-trans.c: Same.
14457 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
14458 VEC instead of VARRAY.
14459 * tree-vectorizer.h: Idem.
14460 * tree-data-ref.c (dump_data_references,
14461 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14462 initialize_data_dependence_relation, finalize_ddr_dependent,
14463 compute_all_dependences, find_data_references_in_loop,
14464 compute_data_dependences_for_loop, analyze_all_data_dependences,
14465 free_dependence_relation, free_dependence_relations,
14466 free_data_refs): Idem.
14467 * tree-data-ref.h (data_reference_p, subscript_p): New.
14468 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
14469 VEC instead of VARRAY.
14470 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
14471 (find_data_references_in_loop, compute_data_dependences_for_loop,
14472 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
14473 dump_data_dependence_relations, free_dependence_relations,
14474 free_data_refs): Adjust declaration.
14475 (lambda_transform_legal_p): Move declaration here...
14476 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
14477 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
14478 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
14479 vect_analyze_data_refs): Use VEC instead of VARRAY.
14480 * lambda.h (lambda_transform_legal_p): ...from here.
14481 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
14482 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
14483 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
14484 tree-chrec.o): Don't depend on VARRAY_H.
14486 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14488 * rtl.def (Copyright): Update date.
14489 (DEPS_LIST): Change type of the second operand to 'int'.
14490 * target.h (Copyright): Update date.
14491 (struct gcc_target.speculate_insn): Change type of the second parameter
14493 * lists.c (Copyright): Update date.
14494 (alloc_DEPS_LIST): Change signature. Update reference to the second
14495 operand of the DEPS_LIST.
14496 (copy_DEPS_LIST_list): Update reference to the second operand of the
14498 * rtl.h (Copyright): Update date.
14499 (alloc_DEPS_LIST): Update signature.
14500 * sched-int.h (Copyright): Update date.
14501 (ds_t): Change typedef to 'int'.
14502 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14504 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14506 * haifa-sched.c (Copyright): Update date.
14507 (try_ready): Change condition to restore non-speculative pattern
14508 of the instruction.
14509 (process_insn_depend_be_in_spec): Code to keep probability of the
14510 speculative dependence non-decreasing.
14512 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
14514 * regrename.c (replace_oldest_value_addr): Initialize a variable to
14515 shut up the compiler.
14517 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
14519 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
14520 to use lib prefix for target.
14521 ($(T)libic_invalidate_array_4-200.a): Likewise.
14522 ($(T)libic_invalidate_array_4a.a): Likewise.
14524 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
14525 J"orn Rennecke <joern.rennecke@st.com>
14527 * superh.opt: New file.
14528 * sh.c (boardtype, osruntime): Remove.
14529 * superh.h (SUBTARGET_OPTIONS): Remove.
14530 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
14532 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
14533 arguments with ^ and/or [].
14535 * config.gcc (sh-*-*): Add quoting to account for quirk of
14537 Replace == with = in enable_incomplete_targets test.
14539 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
14540 with MASK_LITTLE_ENDIAN.
14542 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
14543 * config/sh/sh.opt: Added to some comments.
14544 * config/sh/superh.h: Removed some chaff.
14546 * config/sh/sh.opt: Add m4-[1234]00* options.
14547 * config/sh/sh.c (sh_handle_option): Likewise.
14548 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
14549 (ic_invalidate_array_4-100.o): New rule.
14550 ($(T)libic_invalidate_array_4-100.a): Likewise.
14551 (ic_invalidate_array_4-200.o): Likewise.
14552 ($(T)libic_invalidate_array_4-200.a): Likewise.
14553 (ic_invalidate_array_4a.o): Likewise.
14554 ($(T)libic_invalidate_array_4a.a): Likewise.
14555 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
14556 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
14558 * config/sh/crt1.asm: Merged in profiling code.
14559 * config/sh/superh.h (STARTFILE_SPEC): Override.
14560 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
14561 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
14562 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
14564 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
14565 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
14566 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
14568 * sh.opt (mpretend-cmove): New option.
14569 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
14570 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
14571 (movsicc): Add TARGET_PRETEND_CMOVE code.
14573 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
14575 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
14576 s390_class_max_nregs): New function prototypes.
14577 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
14578 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
14579 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
14580 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
14582 2006-03-26 Geoffrey Keating <geoffk@apple.com>
14584 * dwarf2out.c (add_location_or_const_value_attribute): Call
14585 tree_add_const_value_attribute if nothing else works.
14586 (reference_to_unused): New.
14587 (rtl_for_decl_init): Use reference_to_unused to decide whether
14588 to output an initializer.
14590 2006-03-27 Alan Modra <amodra@bigpond.net.au>
14593 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
14594 peephole removing spe frob_di_df_2.
14596 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
14598 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
14599 (subscript_dependence_tester_1): Declared.
14600 (print_dir_vectors, print_dist_vectors): New.
14601 (debug_data_dependence_relation): New.
14602 (dump_data_dependence_relation): Print more details.
14603 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
14604 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
14605 (save_dist_v, save_dir_v, add_outer_distances,
14606 build_classic_dist_vector_1): New.
14607 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
14608 Don't test for lambda_vector_lexico_pos.
14609 (same_access_functions, add_multivariate_self_dist,
14610 add_other_self_distances, dir_from_dist): New.
14611 (build_classic_dir_vector): Replace implementation almost identical to
14612 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
14614 (subscript_dependence_tester_1): New.
14615 (subscript_dependence_tester): Handle the lexicographically negative
14616 distance vectors by recomputing the dependence relation.
14617 (compute_affine_dependence): Remove parameter loop_nest_depth.
14618 (compute_self_dependence): Don't call compute_subscript_distance.
14619 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
14620 Add a parameter for the loop_nest.
14621 (find_loop_nest_1, find_loop_nest): New.
14622 (compute_data_dependences_for_loop): Compute the loop nest, and give
14623 up if the nest is not well formed.
14624 * tree-data-ref.h (loop_p): New.
14625 (struct data_dependence_relation): Replace size_vect field with
14626 loop_nest, a vec of loops.
14627 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
14628 (DDR_LOOP_NEST): New.
14629 (print_dir_vectors, print_dist_vectors,
14630 debug_data_dependence_relation): Declared.
14631 (index_in_loop_nest): New.
14632 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
14633 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
14636 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
14638 * simplify-rtx.c (simplify_relational_operation): Call
14639 simplify_relational_operation_1 even if mode is VOIDmode.
14641 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
14643 PR tree-optimization/26804
14644 * tree.h (DECL_CALL_CLOBBERED): New macro.
14645 (tree_decl_common): Add call_clobbered_flag.
14646 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
14647 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
14648 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
14649 (mark_non_addressable): Ditto.
14650 * tree-ssa.c (verify_call_clobbered): New function.
14651 (verify_alias_info): Use it.
14652 * tree-pass.h (pass_reset_cc_flags): New prototype.
14653 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
14654 (reset_cc_flags): New function.
14655 * passes.c (init_optimization_passes): Call reset_cc_flags after
14656 initializing referenced_vars.
14658 2006-03-25 Uros Bizjak <uros@kss-loka.si>
14659 Roger Sayle <roger@eyesopen.com>
14661 PR middle-end/26717
14662 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
14663 to 1.0 for non-real operands. Implement A / A optimization for
14666 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
14668 * config/i386/i386.c (size_cost): Correct the comment for
14669 cost of storing fp registers.
14670 (i386_cost): Likewise.
14671 (i486_cost): Likewise.
14672 (pentium_cost): Likewise.
14673 (pentiumpro_cost): Likewise.
14674 (k6_cost): Likewise.
14675 (athlon_cost): Likewise.
14676 (k8_cost): Likewise.
14677 (pentium4_cost): Likewise.
14678 (nocona_cost): Likewise.
14679 (generic64_cost): Likewise.
14680 (generic32_cost): Likewise.
14682 2006-03-24 Denis Chertykov <denisc@overta.ru>
14684 * config/avr/avr-protos.h (extra_constraint): Delete.
14685 (extra_constraint_Q): New declaration.
14686 * config/avr/constraints.md: New file.
14687 * config/avr/avr.md: Include it.
14688 (REG_X, REG_Y, REG_Z, REG_W): New constants.
14689 (TMP_REGNO, ZERO_REGNO): Likewise.
14690 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
14691 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
14692 (extra_constraint): Delete.
14693 (extra_constraint_Q): Test for memory constraint 'Q'.
14694 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
14695 (REG_CLASS_FROM_LETTER): Delete.
14696 (CONST_OK_FOR_LETTER_P): Delete.
14697 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14698 (EXTRA_CONSTRAINT): Delete.
14699 (TMP_REGNO): Delete.
14700 (ZERO_REGNO): Delete.
14702 2006-03-24 Jeff Law <law@redhat.com>
14704 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
14705 directly. Call mark_new_vars_to_rename slightly earlier.
14707 2006-03-24 Geoffrey Keating <geoffk@apple.com>
14709 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
14710 (is_cxx): Likewise.
14711 (gen_compile_unit_die): Use new language types for Objective-C and
14713 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
14714 DW_LANG_C_plus_plus.
14717 * config/t-darwin (crt3.o): Work around bug 26840.
14718 * config/darwin-crt3.c: Rewrite.
14719 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
14721 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
14723 * doc/invoke.texi: Document -femit-class-debug-always
14724 * common.opt: Add -femit-class-debug-always.
14726 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
14728 * config/s390/s390.c (s390_decompose_address): Allow SImode for
14729 index and base register.
14730 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
14731 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
14732 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
14733 REGNO_OK_FOR_INDEX_P.
14734 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
14736 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
14737 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
14738 REG_OK_FOR_BASE_P): Definitions removed.
14740 2006-03-24 Jakub Jelinek <jakub@redhat.com>
14742 PR middle-end/26611
14743 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
14744 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
14745 set yet or weren't marked as local yet.
14747 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
14749 * regrename.c (scan_rtx_address): Initialize a variable to shut up
14752 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
14754 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
14755 (rs6000_legitimate_small_data_p): Delete.
14756 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
14757 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
14758 and make static. Add forward declaration. Update uses.
14759 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
14760 of offsettable_memref_p.
14761 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
14762 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
14764 2006-03-24 Jeff Law <law@redhat.com>
14766 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
14767 around bug in immediate-use iterator.
14769 2006-03-24 Alan Modra <amodra@bigpond.net.au>
14772 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
14773 or __LITTLE_ENDIAN__.
14775 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
14777 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
14778 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
14779 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
14780 * config/sh/sh.opt (mdiv=): Amend description.
14781 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
14782 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
14783 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
14784 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
14785 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
14786 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
14787 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
14788 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
14789 TARGET_DIVIDE_CALL_FP.
14791 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14793 * haifa-sched.c (choose_ready): Fix type of the local variable.
14794 Move local variables. Add comment.
14795 (check_reg_live): Change signature. Make callable from debugger.
14796 * sched-int.h (check_reg_live): Update signature.
14797 * sched-ebb.c (check_reg_live): Update parameters.
14798 * sched-rgn.c (check_reg_live): Ditto.
14799 (region_head_or_leaf_p): Check pointer before dereferencing.
14800 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
14801 before reload on optimization levels below 1.
14803 2006-03-23 Richard Henderson <rth@redhat.com>
14805 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
14809 * config/alpha/predicates.md (local_symbolic_operand): Reject
14812 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
14815 * tree-ssa-pre.c (create_value_expr_from): Don't reject
14816 expressions which have overflowed constants.
14818 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14820 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
14822 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14824 * cfgloopmanip.c (create_loop_notes): Removed.
14825 * final.c (final_scan_insn): Do not handle loop notes.
14826 * jump.c (squeeze_notes): Ditto.
14827 * cfglayout.c (skip_insns_after_block,
14828 duplicate_insn_chain): Ditto.
14829 * cfgcleanup.c (rest_of_handle_jump2): Do not call
14831 * cfgloop.h (create_loop_notes): Declaration removed.
14833 2006-03-23 Richard Sandiford <richard@codesourcery.com>
14835 * varasm.c (output_constant_pool): Restore fnname and fndecl
14837 (assemble_start_function): Adjust call accordingly.
14838 (assemble_end_function): Likewise.
14840 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14843 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
14846 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
14848 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14851 * system.h (ICE_EXIT_CODE): New macro.
14852 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
14853 (diagnostic_action_after_output): Likewise.
14854 * gcc.c (fatal_ice): New function.
14855 (execute): Use it instead of fatal.
14856 (fancy_abort): Likewise.
14857 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
14859 2006-03-22 Jeff Law <law@redhat.com>
14861 * loop-unroll.c (analyze_iv_to_split_insn): Handle
14862 iv_analyze_result returning false.
14864 2006-03-22 Jie Zhang <jie.zhang@analog.com>
14866 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
14868 2006-03-22 Richard Henderson <rth@redhat.com>
14870 PR middle-end/26084
14871 * except.c (duplicate_eh_regions_0): New.
14872 (duplicate_eh_region_1): Duplicate the children of the node as
14873 well as the node itself. Link them up properly.
14874 (duplicate_eh_region_2): Merge into ...
14875 (duplicate_eh_regions): ... here. Take copy_region argument, and
14876 copy only a sub-tree if asked. Simplify copying and fixup.
14877 (eh_region_outer_p): New.
14878 * except.h (duplicate_eh_regions): Update decl.
14879 (eh_region_outer_p): Declare.
14880 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
14881 (lower_omp_master): Likewise.
14882 (lower_omp_ordered): Likewise.
14883 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
14884 (move_stmt_r): Use it to remap labels. Handle recursion vs
14885 remap_decls_p properly.
14886 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
14887 (find_outermost_region_in_block): New.
14888 (new_label_mapper): New.
14889 (move_sese_region_to_fn): Copy eh information to the new function
14891 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
14893 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
14896 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14898 * doc/md.texi (-mshared): Mention that -mshared code can be linked
14899 into shared libraries.
14901 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14903 * doc/md.texi: Refer to i386/constraints.md instead of
14904 i386/predicates.md.
14905 * config/i386/constraints.md: New file, extracted from...
14906 * config/i386/predicates.md: ...here.
14907 * config/i386/i386.md: Include constraints.md.
14909 2006-03-21 Jason Merrill <jason@redhat.com>
14911 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
14913 PR middle-end/20297
14914 * expr.c (init_block_move_fn): Force default visibility.
14915 (init_block_clear_fn): Likewise.
14916 * builtins.c (expand_builtin_fork_or_exec): Likewise.
14917 * targhooks.c (default_external_stack_protect_fail): Likewise.
14919 2006-03-21 Richard Sandiford <richard@codesourcery.com>
14921 * config/mips/predicates.md (const_call_insn_operand): Allow direct
14922 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
14923 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
14924 Use TARGET_OLDABI instead of !TARGET_NEWABI.
14925 (loadgp): Use mips_current_loadgp_style.
14926 (loadgp_noshared): New pattern.
14927 (sibcall_internal): Use MIPS_CALL.
14928 (sibcall_value_internal): Likewise.
14929 (sibcall_value_multiple_internal): Likewise.
14930 (call_internal): Likewise.
14931 (call_value_internal): Likewise.
14932 (call_value_multiple_internal): Likewise.
14933 (call_split): Use MIPS_CALL and add an 'S' constraint.
14934 (call_value_split): Likewise.
14935 (call_value_multiple_split): Likewise.
14936 * config/mips/mips.opt (-mabicalls): Tweak docstring.
14937 (-mshared): New option.
14938 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
14939 (mips_current_loadgp_style): Declare.
14940 * config/mips/mips.c (mips_classify_symbol): Avoid using
14941 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
14942 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
14943 TARGET_ABSOLUTE_ABICALLS.
14944 (override_options): Adjust comments. Improve the warning that is
14945 issued when -mabicalls and -G are used together.
14946 (mips_file_start): Remove comment.
14947 (mips_current_loadgp_style): New function.
14948 (mips_gnu_local_gp): New variable.
14949 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
14951 (mips_output_function_prologue): Use mips_current_laodgp_style.
14952 (mips_expand_prologue): Call mips_emit_loadgp before emitting
14953 the cprestore instruction.
14954 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
14955 live for TARGET_ABSOLUTE_ABICALLS.
14956 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
14957 (ASM_SPEC): Pass down -mshared and -mno-shared.
14958 (MIPS_CALL): New macro.
14959 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
14961 * doc/invoke.texi (-mabicalls): Update documentation.
14962 (-mshared): Document.
14964 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14966 * config/ia64/unwind-hpux.c: New file.
14967 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
14969 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14972 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
14974 2006-03-21 Jeff Law <law@redhat.com>
14976 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
14977 type conversions of a VR_VARYING source to a wider type.
14979 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
14981 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
14982 tm_file on Solaris 10 and later.
14983 (sparc64-*-solaris2*): Likewise.
14984 (sparc-*-solaris2*): Likewise.
14985 * config/sol26.h: Rename to config/sol2-6.h.
14986 * config/sol2-10.h: New file.
14988 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
14991 * tree-ssa-pre.c (create_component_ref_by_pieces):
14994 2006-03-21 Jakub Jelinek <jakub@redhat.com>
14997 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
14998 return it immediately.
15000 2006-03-21 Michael Matz <matz@suse.de>
15002 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
15004 (remove_arc, add_arc): Update num_out_arcs member.
15005 (set_out_arc_insns_equiv_num): Returns nothing instead of number
15007 (cache_presence): New function.
15008 (compare_states_for_equiv): New function.
15009 (state_is_differed): Don't take number of outargs, adjust callers.
15010 Use new invariant for speeding up.
15011 (init_equiv_class): Create initial classes based on sorted
15013 (partition_equiv_class): Don't track out_arcs_num.
15014 (evaluate_equiv_classes): Call cache_presence on all states and
15017 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
15019 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15020 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15021 (bfin_valid_reg_p): Test for pseudos explicitly and use only
15022 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
15024 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15025 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15026 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15027 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15028 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15030 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15031 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15032 (REGNO_REG_CLASS): ARGP is in PREGS.
15033 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15035 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15036 to deal with those addresses.
15037 * addresses.h: New file.
15038 * caller-save.c: Include "addresses.h".
15039 (init_caller_save): Use new base_reg_class function.
15040 * rtl-factoring.c: Include "addresses.h".
15041 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15042 * recog.c: Include "addresses.h".
15043 (preprocess_constraints): Use new base_reg_class function.
15044 * regrename.c: Include "addresses.h".
15045 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15046 functions. Keep track of a new var INDEX_CODE to compute valid
15048 (replace_oldest_value_addr): Likewise.
15049 (replace_oldest_value_mem): Use base_reg_class.
15050 * reload.c: Include "addresses.h".
15051 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15052 (find_reloads): Use new base_reg_class function.
15053 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15054 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15055 all callers and prototype changed.
15056 * reload1.c: Include "addresses.h".
15057 (maybe_fix_stack_asms): Use base_reg_class.
15058 * regclass.c: Include "addresses.h".
15059 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15060 (init_reg_autoinc): Use new base_reg_class function.
15061 (record_reg_classes): Likewise.
15062 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15063 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
15064 Use new args to compute necessary class.
15066 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15067 regrename.o, rtl-factoring.o): Update dependencies.
15068 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15069 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15070 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15071 REG_OK_FOR_INDEX_P): Delete documentation.
15073 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
15075 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15076 from V7 to V9 for Solaris 7 and above.
15078 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
15080 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15081 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15082 argument pointers may not alias any other storage.
15083 * common.opt: Define option -fargument-noalias-anything.
15084 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15085 alias semantics is specified by flag_argument_noalias > 2.
15087 2006-03-20 Jeff Law <law@redhat.com>
15089 * tree-pass.h (pass_phi_only_copy_prop): Delete.
15090 (pass_phi_only_cprop): Declare.
15091 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
15092 with phi_only_cprop
15093 * tree-ssa-dom.c (degenerate_phi_result): New function.
15094 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
15095 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
15096 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
15097 (eliminate_degenerate_phis): Likewise.
15098 (pass_phi_only_cprop): New pass descriptor.
15099 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
15100 support code. Callers updated.
15101 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
15102 (store_copy_prop): Likewise.
15103 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
15105 2006-03-20 Jason Merrill <jason@redhat.com>
15108 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
15109 (push_visibility, pop_visibility): Likewise.
15110 * c-pragma.h: Declare them.
15112 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
15114 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
15116 * config/sh/sh.c (find_regmode_weight): Change the type of the first
15117 parameter and use get_ebb_head_tail.
15118 (sh_md_init_global): Adjust uses of find_regmode_weight.
15120 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
15122 * function.h (struct function) <x_tail_recursion_reentry>:
15123 Rename to x_stack_check_probe_note.
15124 (tail_recursion_reentry): Rename to stack_check_probe_note.
15125 * function.c: Replace tail_recursion_reentry with
15126 stack_check_probe_note everywhere.
15127 (expand_function_start): Only emit a note for
15128 stack_check_probe_note with -fstack-protect.
15129 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
15131 * emit-rtl.c (remove_unnecessary_notes): Remove.
15132 (pass_remove_unnecessary_notes): Remove.
15133 * rtl.h (remove_unnecessary_notes): Remove prototype.
15134 * final.c (final_start_function): Don't call remove_unnecessary_notes.
15135 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
15136 * passes.c (pass_remove_unnecessary_notes): Don't run it.
15138 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
15141 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
15142 (valid_in_set): Handle ARRAY_REF.
15143 Change "if min_variant or VH" to asserts.
15144 (create_component_ref_by_pieces): Handle ARRAY_REF.
15145 (create_expression_by_pieces): Likewise.
15146 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
15148 2006-03-20 David Edelsohn <edelsohn@gnu.org>
15150 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
15151 is operand of switch, not str[0].
15153 2006-03-20 Alan Modra <amodra@bigpond.net.au>
15155 * config/rs6000/rs6000.c (rs6000_handle_option): Use
15156 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
15158 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15160 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
15161 end of insn_extra_address_constraint declaration.
15163 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15165 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
15166 (no-sum-in-toc): Same.
15167 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
15169 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
15170 NO_FP_IN_TOC for -fPIC instead of mask.
15172 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
15173 (BOOT_LDFLAGS): Delete.
15175 * config/rs6000/t-aix52: Same.
15177 * config/rs6000/rs6000.md (store_multiple_power): Delete.
15178 (stmsi[345678]_power): New.
15180 2006-03-17 Steve Ellcey <sje@cup.hp.com>
15182 * config/ia64/ia64.opt: Add empty line to end of file.
15184 2006-03-17 Richard Guenther <rguenther@suse.de>
15186 PR middle-end/26721
15187 * builtins.c (get_pointer_alignment): For component style references
15188 adjust alignment to the component type alignment. Make sure
15189 to adjust alignment for component access of constants.
15191 2006-03-17 David Edelsohn <edelsohn@gnu.org>
15193 * config/rs6000/rs6000.md (strlensi): Emit barrier after
15194 unconditional jump.
15196 2006-03-17 Paul Brook <paul@codesourcery.com>
15198 * doc/install.texi: Docuemnt --with-mode.
15199 * config.gcc: Add --with-mode for arm*-*-*.
15200 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
15202 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
15204 * sh.c (max_labelno_before_reorg): New variable.
15205 (sh_reorg): Initialize it.
15206 (find_barrier): Check max_labelno_before_reorg before using
15207 label_to_alignment. Take length of explicit alignment insns
15208 into account. When seeing a UNSPECV_CONST_END, return it.
15210 * sh.c (fixup_mova): Set mode of affected label to QImode.
15211 (untangle_mova): New function.
15212 (find_barrier): Use it. Check mode of label before decrementing
15214 (sh_reorg): Likewise.
15215 Set mode of all insns back to VOIDmode.
15217 * sh.c (MOVA_LABELREF): New macro.
15218 (mova_p, fixup_mova, sh_reorg): Use it.
15219 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
15220 ADDR_DIFF_VEC matches mova.
15222 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
15224 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
15225 with ATTRIBUTE_UNUSED.
15227 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
15229 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
15230 pointer, instead of assuming it is possible to derive the
15231 correct args size from a call insn.
15233 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15235 * rtl.h (CONST_INT_P): Define.
15236 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
15237 instead of GET_CODE(x) == CONST_INT.
15238 (vax_rtx_costs): Likewise.
15239 (vax_output_int_move): Likewise.
15240 (vax_output_int_add): Likewise.
15241 (legitimate_constant_address_p): Likewise.
15242 (index_term_p): Likewise.
15243 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15244 * config/vax/vax.md (and<mode>3): Likewise.
15245 (ashrsi3): Likewise.
15247 (movstricthi): Likewise.
15248 (movstrictqi): Likewise.
15249 (rotrsi3): Likewise.
15250 (five unnamed insns): Likewise.
15252 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15254 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15255 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15256 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15257 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15258 Pass to ASM_OUTPUT_DWARF_OFFSET.
15259 * dwarf2out.c (debug_frame_section): New.
15260 (output_call_frame_info): Use debug_frame_section. Pass it to
15261 dw2_asm_output_offset.
15262 (output_die): Pass appropriate section to dw2_asm_output_offset.
15263 (output_compilation_unit_header): Likewise.
15264 (output_pubnames): Likewise.
15265 (output_aranges): Likewise.
15266 (enum dw_val_class): Break dw_val_class_lbl_offset into
15267 dw_val_class_lineptr and dw_val_class_macptr.
15268 (add_AT_lbl_offset): Delete.
15269 (add_AT_lineptr): New.
15270 (add_AT_macptr): New.
15271 (AT_lbl): Expect a lineptr or macptr.
15272 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15273 (attr_checksum): Likewise.
15274 (same_dw_val_p): Likewise.
15275 (size_of_die): Likewise.
15276 (value_format): Likewise.
15277 (output_die): Likewise.
15278 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15280 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15281 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15282 * config/darwin-protos.h (darwin_file_start): New.
15283 (darwin_asm_output_dwarf_offset): New.
15284 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15285 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15287 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15288 if not EH section; simplify.
15289 (darwin_file_start): New.
15290 (darwin_asm_output_dwarf_offset): New.
15291 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15293 (DEBUG_INFO_SECTION): Likewise.
15294 (DEBUG_ABBREV_SECTION): Likewise.
15295 (DEBUG_ARANGES_SECTION): Likewise.
15296 (DEBUG_MACINFO_SECTION): Likewise.
15297 (DEBUG_LINE_SECTION): Likewise.
15298 (DEBUG_LOC_SECTION): Likewise.
15299 (DEBUG_PUBNAMES_SECTION): Likewise.
15300 (DEBUG_STR_SECTION): Likewise.
15301 (DEBUG_RANGES_SECTION): Likewise.
15302 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15303 (ASM_OUTPUT_DWARF_OFFSET): New.
15305 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15307 * config.gcc (tm_defines): Always add to previous value rather
15310 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15312 * config/mips/predicates.md (splittable_const_int_operand): New,
15313 split from move_operand.
15314 (splittable_symbolic_operand): New.
15315 (move_operand): Add commentary. Use splittable_const_int_operand.
15316 Inline mips_atomic_symbolic_constant_p.
15317 * config/mips/mips.md: Add combine splitters for handling moves
15318 of splittable_const_int_operands and splittable_symbolic_operands.
15319 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15320 (mips_split_symbol): Declare.
15321 (mips_move_integer): Declare.
15322 * config/mips/mips.c (mips_split_p): Make global.
15323 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15324 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15325 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15326 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15327 (mips_offset_within_object_p): Handle block symbols.
15328 (mips_atomic_symbolic_constant_p): Delete.
15329 (mips_cannot_force_const_mem): Return false for constants that
15330 mips_legitimize_move can handle.
15331 (mips_use_blocks_for_constant_p): New function.
15332 (mips_split_symbol): Make global.
15333 (mips_move_integer): Likewise. Add a temporary register argument.
15334 (mips_legitimize_const_move): Use splittable_const_int_operand and
15335 splittable_symbolic_operand.
15336 (mips_use_anchors_for_symbol_p): New function.
15337 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15338 (mips_split_p): Declare.
15340 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15342 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15343 (mips*-*-linux*): Likewise.
15345 2006-03-16 Roger Sayle <roger@eyesopen.com>
15346 Daniel Speyer <dspeyer@wam.umd.edu>
15348 PR middle-end/18259
15349 * tree-dump.c (dump_real): New function.
15350 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15351 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15352 (tree-dump.o): Add $(REAL_H) to the dependencies.
15354 2006-03-16 Roger Sayle <roger@eyesopen.com>
15356 PR middle-end/21781
15357 * real.c (real_from_string): If the mantissa is zero, don't bother
15358 parsing the exponent as the result should always be zero.
15360 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15362 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15364 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15366 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15367 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15368 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15369 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15370 ia64_sched_finish_global): New static functions to implement
15371 hooks from gcc_target.sched.
15372 (spec_check_no, max_uid, pending_data_specs): New static variables.
15373 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15374 ia64_spec_check_src_p): New static functions.
15375 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15376 (TARGET_SCHED_ADJUST_COST): Removed.
15377 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15378 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15379 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15380 TARGET_SCHED_GEN_CHECK,
15381 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15382 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15383 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15384 Fixed to handle speculation checks.
15385 (rtx_needs_barrier): Fixed to handle speculative loads and
15387 (ia64_variable_issue): Added code to count speculative loads and their
15389 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15391 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15393 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15395 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15396 (ia64_reorg): Reset stops_p to NULL after it is freed.
15397 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15398 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15399 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15401 (data_speculative, control_speculative, check_load): New attributes.
15402 (mov<mode>_advanced, mov<mode>_speculative,
15403 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15404 zero_extend<mode>di2_speculative,
15405 zero_extend<mode>di2_speculative_advanced): New patterns for
15406 data and control speculative loads.
15407 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15409 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15410 New pattern for data and control speculation checks.
15411 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15412 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15413 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15414 Auxiliary definitions for the patterns.
15415 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15416 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15418 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15420 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15421 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15422 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15423 New resource constraints.
15424 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15426 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15427 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15428 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15429 msched-in-control-spec, msched-ldc, msched-control-ldc,
15430 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15431 msched-prefer-non-control-spec-insns,
15432 msched-count-spec-in-critical-path): New flags to tune speculative
15434 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15435 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15436 msched-in-control-spec, msched-ldc, msched-control-ldc,
15437 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15438 msched-prefer-non-control-spec-insns,
15439 msched-count-spec-in-critical-path): Document new flags.
15441 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15443 * target.h (struct spec_info_def): New opaque declaration.
15444 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15445 speculate_insn, needs_block_p, gen_check,
15446 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15447 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15448 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15449 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15450 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15451 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
15453 (TARGET_SCHED): Use new macros.
15454 * rtl.h (copy_DEPS_LIST_list): New prototype.
15455 * sched-int.h (struct sched_info): Change signature of new_ready field,
15456 adjust all initializations. New fields: add_remove_insn,
15457 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
15458 region_head_or_leaf_p.
15459 (struct spec_info_def): New structure declaration.
15460 (spec_info_t): New typedef.
15461 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
15462 recovery_block, orig_pat.
15463 (glat_start, glat_end): New variables declaraions.
15464 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
15466 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
15467 DETACH_LIFE_INFO, USE_GLAT.
15468 (enum SPEC_SCHED_FLAGS): New enumeration.
15469 (NOTE_NOTE_BB_P): New macro.
15470 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
15471 attach_life_info, debug_spec_status, check_reg_live): New functions.
15472 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
15473 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
15475 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
15476 * ddg.c (get_block_head_tail): Adjust all uses.
15477 * modulo-sched.c (get_block_head_tail): Adjust all uses.
15478 (sms_sched_info): Initialize new fields.
15479 (contributes_to_priority): Removed.
15480 * haifa-sched.c (params.h): New include.
15481 (get_block_head_tail): Adjust all uses.
15482 (ISSUE_POINTS): New macro.
15483 (glat_start, glat_end): New global variables.
15484 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
15485 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
15486 old_last_basic_block, before_recovery, current_sched_info_var,
15487 rgn_n_insns, luid): New static variables.
15488 (insn_cost1): New function. Move logic from insn_cost to here.
15489 (find_insn_reg_weight1): New function. Move logic from
15490 find_insn_reg_weight to here.
15491 (reemit_notes, move_insn, max_issue): Change signature.
15492 (move_insn1): Removed.
15493 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
15494 extend_bb): New static functions to support extension of scheduler's
15496 (generate_recovery_code, process_insn_depend_be_in_spec,
15497 begin_speculative_block, add_to_speculative_block,
15498 init_before_recovery, create_recovery_block, create_check_block_twin,
15499 fix_recovery_deps): New static functions to support
15500 generation of recovery code.
15501 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
15502 restore_bb_notes, move_block_after_check, move_succs): New static
15503 functions to support ebb scheduling.
15504 (init_glat, init_glat1, attach_life_info1, free_glat): New static
15505 functions to support handling of register live information.
15506 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
15507 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
15508 add_jump_dependencies): New static functions.
15509 (check_cfg, has_edge_p, check_sched_flags): New static functions for
15510 consistancy checking.
15511 (debug_spec_status): New function to call from debugger.
15512 (priority): Added code to handle speculation checks.
15513 (rank_for_schedule): Added code to distinguish speculative instructions.
15514 (schedule_insn): Added code to handle speculation checks.
15515 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
15516 Fixed to handle ebbs.
15517 (move_insn): Added code to handle ebb scheduling.
15518 (max_issue): Added code to use ISSUE_POINTS of instructions.
15519 (choose_ready): Added code to choose between speculative and
15520 non-speculative instructions.
15521 (schedule_block): Added code to handle ebb scheduling and scheduling of
15522 speculative instructions.
15523 (sched_init): Initialize new variables.
15524 (sched_finish): Free new variables. Print statistics.
15525 (try_ready): Added code to handle speculative instructions.
15526 * lists.c (copy_DEPS_LIST_list): New function.
15527 * sched-deps.c (extend_dependency_caches): New function. Move logic
15528 from create_dependency_caches to here.
15529 (get_dep_weak, ds_merge): Make global.
15530 * genattr.c (main): Code to output prototype for
15531 dfa_clear_single_insn_cache.
15532 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
15533 (output_dfa_clean_insn_cache_func): Code to output
15534 dfa_clear_single_insn_cache function.
15535 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
15537 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
15539 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
15540 New static variables.
15541 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
15542 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
15544 (ebb_sched_info): Initialize new fields.
15545 (get_block_head_tail): Adjust all uses.
15546 (compute_jump_reg_dependencies): Fixed to use glat_start.
15547 (schedule_ebb): Code to remove unreachable last block.
15548 (schedule_ebbs): Added code to update register live information.
15549 * sched-rgn.c (region_sched_info): Initialize new fields.
15550 (get_block_head_tail): Adjust all uses.
15551 (last_was_jump): Removed. Adjust users.
15552 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
15553 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
15554 Implement new hooks.
15555 (check_dead_notes1): New static function.
15556 (struct region): New fields: dont_calc_deps, has_real_ebb.
15557 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
15558 (BB_TO_BLOCK): Fixed to handle EBBs.
15559 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
15560 (ebb_head): New static variable.
15561 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
15562 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
15564 (compute_dom_prob_ps): New assertion.
15565 (check_live_1, update_live_1): Fixed to work with glat_start instead of
15566 global_live_at_start.
15567 (init_ready_list): New assertions.
15568 (can_schedule_ready_p): Split update code to begin_schedule_ready.
15569 (new_ready): Add support for BEGIN_CONTROL speculation.
15570 (schedule_insns): Fixed code that updates register live information
15572 (schedule_region): Fixed to handle EBBs.
15573 (init_regions): Use extend_regions and check_dead_notes1.
15574 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
15575 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
15576 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
15577 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15578 TARGET_SCHED_GEN_CHECK,
15579 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15580 TARGET_SCHED_SET_SCHED_FLAGS): Document.
15581 * doc/invoke.texi (max-sched-insn-conflict-delay,
15582 sched-spec-prob-cutoff): Document.
15584 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15586 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
15587 inter_tick, queue_index.
15588 (struct sched_info): Change signature of init_ready_list field.
15589 Adjust all initializations.
15590 (RESOLVED_DEPS): New access macro.
15591 (ready_add): Remove prototype.
15592 (try_ready): Add prototype.
15593 * sched-rgn.c (init_ready_list): Use try_ready.
15594 (schedule_region): Initialize
15595 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
15596 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
15597 (init_ready_list): Use try_ready.
15598 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
15599 * lists.c (remove_list_elem): Remove `static'.
15600 (remove_free_INSN_LIST_elem): New function.
15601 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
15602 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
15603 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
15605 (readyp): New variable.
15606 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
15607 change_queue_index, resolve_dep): New static functions.
15608 (try_ready): New function. Adjust callers in sched-rgn.c and
15609 sched-ebb.c to use it instead of ready_add.
15610 (clock_var): Move at the begining of file.
15611 (rank_for_schedule): Fix typo.
15612 (queue_insn): Add assertion. Handle QUEUE_INDEX.
15613 (ready_lastpos): Enforce assertion.
15614 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
15615 update all callers.
15616 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
15617 (schedule_insn): Rewrite to use try_ready and resolve_dep.
15618 (queue_to_ready): Use free_INSN_LIST_list.
15619 (early_queue_to_ready): Fix typo.
15620 (schedule_block): Init readyp. Move init_ready_list call after the
15621 initialization of clock_var. Fix error in rejecting insn by
15622 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
15623 that previously corrected INSN_TICKs. Add code for handling
15625 (set_priorities): Fix typo.
15626 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
15627 Clarify comment and code that keeps current_sched_info->next_tail
15630 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15632 * sched-rgn.c (extend_rgns): New static function.
15633 (find_rgns): Use it.
15634 (gather_region_statistics, print_region_statistics): New static
15636 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
15637 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
15639 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15640 Andrey Belevantsev <abel@ispras.ru>
15642 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
15643 * lists.c (unused_deps_list): New variable.
15644 (free_list): Add assertions to verify the proper distinguishing
15645 between INSN_LISTs and DEPS_LISTs.
15646 (find_list_elem, remove_list_elem, remove_list_node): New static
15648 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
15649 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
15650 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
15651 (alloc_INSN_LIST): Assert that the list we're working on is indeed
15653 (free_INSN_LIST_node): Likewise.
15654 * modulo-sched.c (current_sched_info): Initialize flags field.
15655 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
15656 * rtl.def (DEPS_LIST): Define.
15657 * rtl.h: Declare new functions from lists.c.
15658 * sched-deps.c (spec_dependency_cache): New static variable.
15659 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
15660 (add_dependence): Change return type to void. Move the logic to ...
15661 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
15662 (delete_all_dependences): Add comment about forward_dependency_cache.
15663 Handle spec_dependency_cache. Handle DEPS_LISTs.
15664 (fixup_sched_groups): Clarify the change of priority of output
15665 and anti dependencies.
15666 (sched_analyze_2): Adjust add_dependence calls to create data
15667 speculative dependence.
15668 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
15669 Adjust all callers. Handle DEPS_LISTS.
15670 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
15671 presence of speculation.
15672 (init_dependency_caches, free_dependency_caches):
15673 Handle spec_dependency_cache.
15674 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
15675 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
15676 New static functions.
15677 (add_or_update_back_dep, add_or_update_back_forw_dep,
15678 add_back_forw_dep, delete_back_forw_dep): New functions.
15679 * sched-int.h (ds_t, dw_t): New typedefs.
15680 (struct sched_info): Add new field flags.
15681 (struct haifa_insn_data): Add new bitfield has_internal_dep.
15682 Prototype new sched-deps.c functions.
15683 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
15684 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
15685 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
15686 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
15687 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
15688 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
15690 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
15692 * sched-rgn.c (current_sched_info): Initialize flags field.
15693 (schedule_insns): Initialize current_sched_info before the sched_init
15695 * sched-ebb.c (current_sched_info): Initialize flags field.
15696 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
15697 Call add_or_update_back_dep instead of add_dependence.
15698 Create control speculative dependencies.
15699 (schedule_insns): Initialize current_sched_info before the sched_init
15702 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
15704 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
15706 (sh_fallback_frame_state): Likewise.
15708 2006-03-15 Geoffrey Keating <geoffk@apple.com>
15710 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
15711 Do switch on default_use_cxa_atexit.
15712 (powerpc*-*-darwin*): Build crt2.o on powerpc.
15713 * config/darwin-crt3.o: New.
15714 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
15715 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
15716 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
15718 * config/rs6000/t-darwin: Move crt2.o building to here.
15719 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
15720 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
15723 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15725 * config/vax/vax.c (nonindexed_address_p): Change logical negation
15726 from '! xxx' to '!xxx' for coding-style conformance.
15727 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
15728 (EXTRA_CONSTRAINT): Likewise.
15729 * config/vax/vax.md (four unnamed insns): Likewise.
15731 2006-03-15 Paul Brook <paul@codesourcery.com>
15733 * config/arm/arm.c (minipool_pad): New.
15734 (add_minipool_forward_ref): Include pool alignment padding in address
15736 (push_minipool_fix): Set minipool_pad.
15737 (minipool_pad): Ditto.
15739 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15741 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
15742 instead of GET_CODE() == MEM and REG_P() instead of
15744 (print_operand_address): Likewise.
15745 (vax_address_cost): Likewise.
15746 (vax_rtx_costs): Likewise.
15747 (vax_notice_update_cc): Likewise.
15748 (vax_output_int_add): Likewise.
15749 (INDEX_REGISTER_P): Likewise.
15750 (BASE_REGISTER_P): Likewise.
15751 (nonindexed_address_p): Likewise.
15752 (vax_mode_dependent_address_p): Likewise.
15753 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
15754 (PRINT_OPERAND): Likewise.
15755 * config/vax/vax.md (ashlsi3): Likewise.
15756 (ashlsi3): Likewise.
15757 (some more unnamed insns): Likewise.
15759 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
15761 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
15762 iterator-style macro.
15763 (mark_control_dependent_edges_necessary): Update the use of
15764 EXECUTE_IF_CONTROL_DEPENDENT.
15766 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
15768 * config/sh/predicates.md (cache_address_operand): Special.
15769 (ua_address_operand): Likewise.
15771 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
15773 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
15775 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
15777 2006-03-15 Andreas Schwab <schwab@suse.de>
15779 * gensupport.c (identify_predicable_attribute): Don't free p_false
15780 when it is still in use.
15782 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
15784 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
15785 the default setting here.
15787 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
15789 * tree-pass.h (pass_cfg): Remove.
15790 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
15791 * passes.c (pass_cfg): Don't run it.
15793 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
15795 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
15796 * reg-stack.c (stack_regs_mentioned_data): Change the type to
15798 (stack_regs_mentioned): Update the uses of
15799 stack_regs_mentioned_data. Don't access the array beyond its
15801 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
15802 Don't include gt-reg-stack.h.
15804 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
15805 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
15807 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
15809 PR middle-end/26684
15810 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
15813 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15815 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
15817 2006-03-14 Richard Guenther <rguenther@suse.de>
15819 PR tree-optimization/26672
15820 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
15823 2006-03-14 Richard Guenther <rguenther@suse.de>
15825 PR tree-optimization/26667
15826 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
15827 node for the callees. Always allow inlining if it will shrink
15830 2006-03-14 Richard Guenther <rguenther@suse.de>
15832 PR middle-end/26659
15833 * builtins.c (get_pointer_alignment): Prefer alignment
15834 information from decls over that from types.
15836 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
15839 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
15841 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
15843 * config/rs6000/rs6000.opt (mdlmzb): New option.
15844 (msched-prolog, msched-epilog): Use Var not Mask.
15845 * doc/invoke.texi (-mdlmzb): Document.
15846 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
15848 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
15849 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
15851 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
15853 PR rtl-optimization/25739
15854 * bt-load.c (augment_live_range): Free tos pointer.
15856 * gensupport.c (identify_predicable_attribute): Free
15858 * gcov.c (create_file_names): Free name pointer.
15860 2006-03-13 Roger Sayle <roger@eyesopen.com>
15862 PR middle-end/26557
15863 * stmt.c (emit_case_nodes): Handle the case where the index is a
15864 CONST_INT, where the comparison mode is specified by the index type.
15866 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15868 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
15871 2006-03-13 Richard Sandiford <richard@codesourcery.com>
15873 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
15874 (*branch_fp_inverted): Likewise.
15876 2006-03-13 Jakub Jelinek <jakub@redhat.com>
15878 PR middle-end/25989
15879 * omp-low.c (expand_omp_for_generic): Mark istart0
15880 and iend0 as addressable.
15882 2006-03-13 Jie Zhang <jie.zhang@analog.com>
15884 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
15886 2006-03-13 Jeff Law <law@redhat.com>
15888 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
15889 virtual operands are interesting.
15890 (vrp_visit_stmt): Corresponding changes.
15892 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
15894 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
15896 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
15897 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
15898 * config/bfin/crti.S: Use it instead of __PIC__.
15899 * config/bfin/crtn.S: Likewise.
15901 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
15902 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
15904 Lose 'G' modifier for call operand.
15905 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
15906 recognize 'G' modifier.
15908 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
15910 PR middle-end/18859
15911 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
15912 * stmt.c (expand_case): Likewise.
15914 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15916 PR rtl-optimization/26254
15917 * loop-invariant.c (seq_insns_valid_p): New function.
15918 (move_invariant_reg): Only emit new code if it is valid.
15920 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15922 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
15924 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
15925 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
15926 (commit_one_edge_insertion): Do not look for loop notes.
15928 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15930 * jump.c (follow_jumps): Do not check for loop notes. Move check for
15931 flag_test_coverage out of loop.
15933 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15935 * final.c (shorten_branches): Remove outdated comment, and turn
15936 the if branch that guards it to continue.
15938 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15940 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
15941 * cfgloop.h (struct loop): Remove unused fields.
15943 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
15945 * doc/invoke.texi (-fdump-rtl-loop): Remove.
15946 (-dL, -fdump-rtl-loop2): Update the dump file names
15948 * doc/invoke.texi: Update dump file names.
15950 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
15952 * predict.c (estimate_probability): Remove.
15953 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
15954 * basic-block.h (estimate_probability): Remove prototype.
15955 * passes.c (finish_optimization_passes): Dump branch prediction or
15956 profiling heuristics to the .profile tree dump.
15957 (init_optimization_passes): Unqueue pass_branch_prob.
15959 * doc/invoke.texi (-fdump-rtl-bp): Remove.
15961 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15963 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
15964 * rtl.h (LABEL_NEXTREF): Remove field accessor.
15966 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
15968 * function.h (frame_offset_overflow): Declare.
15969 * function.c (frame_offset_overflow): New function.
15970 (assign_stack_local_1): Call it to detect that the offset overflows.
15971 * cfgexpand.c (alloc_stack_frame_space): Likewise.
15973 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15975 * config/sh/sh.c: Include alloc-pool.h.
15976 (label_ref_list_pool): New alloc pool.
15977 (label_ref_list_t): New type for lists of labels.
15978 (struct pool_node): Make wend a label_ref_list_t.
15979 (add_constant): Use the new type, eradicate LABEL_NEXTREF
15981 (dump_table): Likewise.
15982 (sh_reorg): Set up the alloc pool before using add_constant and
15983 dump_table, and destroy it when finishing.
15985 2006-03-11 Richard Sandiford <richard@codesourcery.com>
15987 * config/mips/mips.c: Remove redundant comment.
15989 2006-03-10 Jason Merrill <jason@redhat.com>
15992 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
15993 the target was declared 'register'.
15995 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
15997 * genpreds.c (write_insn_constraint_len): Change definition of
15998 insn_constraint_len to return size_t to match the declaration.
16000 2006-03-10 DJ Delorie <dj@redhat.com>
16002 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16004 (m32c_expand_insv): Fix test for an AND mask.
16006 2006-03-10 Richard Guenther <rguenther@suse.de>
16008 PR middle-end/26565
16009 * builtins.c (get_pointer_alignment): Handle component
16010 references for field alignment.
16012 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16014 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16015 when building with libgloss.
16016 (sh*elf): Implement --without-fp option.
16017 (sh64-superh-linux*): Don't multilib.
16019 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16021 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16023 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
16025 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16026 Set it when one of the replacement functions returned true.
16027 Return TODO_cleanup_cfg if cfgchanged is true.
16028 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16030 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
16032 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16033 instead of gen_lowpart.
16035 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16037 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16039 (mips_output_order_conditional_branch): Declare.
16040 * config/mips/mips.h (MIPS_BRANCH): New macro.
16041 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16042 for the comparison. Use gen_condjump.
16043 (mips_output_conditional_branch): Rework interface to take the
16044 asm templates for a direct branch and the inverse of a direct branch.
16045 (mips_output_order_conditional_branch): New function.
16046 (mips_builtin_branch_and_move): New function.
16047 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
16048 branch condition. Use gen_single_cc as the condition for
16049 __builtin_mips_upper_* or __builtin_mips_lower_*.
16050 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16051 Use VOIDmode for the branch condition.
16052 * config/mips/predicates.md (order_operator): New predicate.
16053 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16054 (branch_fp): Rename to...
16055 (*branch_fp): ...this. Remove mode from comparison operator.
16056 Use new mips_output_conditional_branch interface.
16057 (branch_fp_inverted): Rename to...
16058 (*branch_fp_inverted): ...this and update as for *branch_fp.
16059 (*branch_zero<mode>): Rename to...
16060 (*branch_order<mode>): ...this. Remove mode from comparison operator.
16061 Use mips_output_order_conditional_branch. Only accept ordered
16063 (*branch_zero<mode>_inverted): Rename to...
16064 (*branch_order<mode>_inverted): ...this and update as for
16065 *branch_order<mode>.
16066 (*branch_equality<mode>): Accept zero as the second operand to
16067 the equality operator. Use the new mips_output_conditional_branch
16069 (*branch_equality<mode>_inverted): Likewise.
16070 (condjump): New expander.
16071 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16073 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16074 (bc1any2t, bc1any2f): Likewise.
16075 (single_cc): New expander.
16076 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16078 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16080 * doc/md.texi: Update documentation of MIPS constraints.
16081 * config/mips/constraints.md: New file.
16082 * config/mips/mips.md: Include it.
16083 * config/mips/mips.c (mips_char_to_class): Delete.
16084 (override_options): Don't initialize mips_char_to_class.
16085 * config/mips/mips.h (mips_char_to_class): Delete.
16086 (REG_CLASS_FROM_LETTER): Delete.
16087 (CONST_OK_FOR_LETTER_P): Delete.
16088 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
16089 (EXTRA_CONSTRAINT_Y): Delete.
16090 (EXTRA_CONSTRAINT_STR): Delete.
16091 (CONSTRAINT_LEN): Delete.
16092 (EXTRA_MEMORY_CONSTRAINT): Delete.
16094 2006-03-09 Diego Novillo <dnovillo@redhat.com>
16096 * tree-cfg.c (move_block_to_fn): Remove the statements from the
16097 original fn's eh regions.
16099 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
16101 * fold-const.c (build_range_check): Make sure to use a valid type to
16102 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
16105 (range_predecessor): New static function.
16106 (range_successor): Likewise.
16107 (merge_ranges): Use them to compute predecessors and successors of
16110 2006-03-09 Roger Sayle <roger@eyesopen.com>
16112 PR middle-end/26561
16113 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16114 X op C3, consider whether C3 overflows towards +Inf or -Inf.
16116 2006-03-08 DJ Delorie <dj@redhat.com>
16118 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
16119 (addpsi3): Expand to include memory operands. Remove
16120 reload-specific splits.
16121 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
16122 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
16123 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
16124 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16125 (shift1_qi, shift1_hi, insv): New.
16126 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
16127 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
16128 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
16130 * config/m32c/m32c-protos.h: Update as needed.
16131 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
16132 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
16133 Fail for unrecognized R* constraints.
16134 (m32c_cannot_change_mode_class): Be more picky about pseudos.
16135 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
16136 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
16138 (m32c_init_libfuncs): New.
16139 (m32c_legitimate_address_p): Add debug wrapper.
16140 (m32c_rtx_costs): New.
16141 (m32c_address_cost): New.
16142 (conversions): Add 'B' prefix.
16143 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
16144 operands, or word regnames for QI operands. 'B' prints bit
16146 (m32c_expand_setmemhi): New.
16147 (m32c_expand_movmemhi): New.
16148 (m32c_expand_movstr): New.
16149 (m32c_expand_cmpstr): New.
16150 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
16151 (m32c_expand_neg_mulpsi3): Handle non-ints.
16152 (m32c_cmp_flg_0): New.
16153 (m32c_expand_movcc): New.
16154 (m32c_expand_insv): New.
16155 (m32c_scc_pattern): New.
16156 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
16157 a0/a1 out of SIregs.
16158 (STORE_FLAG_VALUE): New.
16159 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
16162 * config/m32c/mov.md: Make constraints more liberal.
16163 (zero_extendqihi2): Optimize r0/r1 case.
16164 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
16165 * config/m32c/predicates.md (m32c_any_operand): New.
16166 (m32c_nonimmediate_operand): New.
16167 (m32c_hl_operand): New.
16168 (m32c_r3_operand): New.
16171 (memsym_operand): New.
16172 (memimmed_operand): New.
16173 (a_qi_operand): New.
16174 (m32c_eqne_operator): New.
16175 (m32c_1bit8_operand): New.
16176 (m32c_1bit16_operand): New.
16177 (m32c_1mask8_operand): New.
16178 (m32c_1mask16_operand): New.
16179 * config/m32c/blkmov.md: New file.
16180 * config/m32c/t-m32c (MD_FILES): Add blkmov.
16182 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
16184 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
16185 unsigned to fix signed/unsigned comparison issue in
16186 DWARF2_FRAME_REG_OUT.
16187 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
16188 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
16190 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
16191 of ptr into the ENABLE_CHECKING section.
16193 2006-03-08 Jeff Law <law@redhat.com>
16195 * tree-vrp.c (infer_value_range): Only count pointer uses
16196 and dereferences if -fdelete-null-pointer-checks is enabled.
16198 * tree-vrp.c (find_assert_locations): Infer value ranges for
16199 single use pointers, but do not create ASSERT_EXPRs for them.
16200 When a non-null range is inferred for a pointer, backwards
16201 propagate that range to other equivalent pointers through the
16204 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
16207 * Makefile.in (dvi, html, install-info): Invoke the corresponding
16208 language hook targets.
16209 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
16210 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
16211 if language hook targets were missing.
16213 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
16215 * tree-ssa-opfinalize.h: Removed.
16216 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
16218 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
16219 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
16220 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
16221 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
16222 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
16223 finalize_ssa_v_must_def_ops): New.
16225 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
16227 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
16228 block as parameter.
16230 2006-03-07 Geoffrey Keating <geoffk@apple.com>
16232 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
16234 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
16235 addresses with offsets; reorganize.
16237 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
16238 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16239 (expand_builtin_init_dwarf_reg_sizes): Likewise.
16241 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16244 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16246 2006-03-08 Ben Elliston <bje@au.ibm.com>
16248 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16250 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16253 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16256 2006-03-07 Richard Guenther <rguenther@suse.de>
16258 PR tree-optimization/26587
16259 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16261 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16263 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16265 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16267 * hooks.c (hook_bool_mode_rtx_true): New function.
16268 * hooks.h (hook_bool_mode_rtx_true): Declare.
16269 * toplev.c (compile_file): Call output_shared_constant_pool.
16270 * varasm.c (shared_constant_pool): New variable.
16271 (assemble_start_function, assemble_end_function): Remove arguments
16272 from call to output_constant_pool.
16273 (create_constant_pool): New function, split out from...
16274 (init_varasm_status): ...here.
16275 (force_const_mem): Choose between the shared and per-function constant
16276 pools. Set current_function_uses_const_pool when reusing old entries
16277 as well as when creating new ones.
16278 (mark_constant): Ignore data argument.
16279 (mark_constants): Remove pool argument.
16280 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16281 to decide whether the function uses a constant pool.
16282 (output_constant_pool_contents): New function, split out from...
16283 (output_constant_pool): ...here.
16284 (output_shared_constant_pool): New function.
16285 (init_varasm_once): Initialize shared_constant_pool.
16286 * output.h (output_constant_pool): Delete.
16287 (output_shared_constant_pool): Declare.
16288 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16289 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16291 2006-03-06 Nick Clifton <nickc@redhat.com>
16293 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16294 flag_strength_reduce.
16296 2006-03-06 Ben Elliston <bje@au.ibm.com>
16298 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16299 x86_64-*-linux* configurations.
16301 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16302 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16304 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16306 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16308 * basic-block.h: Remove the extern for
16309 rediscover_loops_after_threading.
16311 * cfgloop.c (cancel_loop): Make it static.
16312 * cfgloop.h: Remove the prototype for cancel_loop.
16314 * flow.c (recompute_reg_usage): Make it static.
16315 * rtl.h: Remove the prototype for recompute_reg_usage.
16317 * function.c (use_return_register): Make it static.
16318 * function.h: Remove the prototype.
16320 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16322 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16324 * recog.h: Remove the prototype for
16325 validate_change_maybe_volatile.
16327 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16329 * rtlanal.c (replace_reg): Remove.
16330 * rtl.h: Remove the prototype for replace_reg.
16332 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16334 * regclass.c (reg_scan_update): Remove.
16335 (reg_scan_mark_refs): Remove the last argument.
16336 * rtl.h: Remove the prototype for reg_scan_update.
16338 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16340 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16341 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16342 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16343 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16344 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16345 loop-invariant.c, omp-low.c, opts.c, passes.c,
16346 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16347 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16348 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16349 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16350 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16351 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16353 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16355 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16356 * dwarf2out.h: Remove the prototype for
16357 dwarf2out_add_library_unit_info.
16359 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16361 * tree.c (add_var_to_bind_expr): Remove.
16362 * tree.h: Remove the prototype for add_var_to_bind_expr.
16364 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16366 * regclass.c (n_non_fixed_regs): Remove.
16367 (init_reg_sets_1, globalize_reg): Remove all uses of
16369 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16371 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16373 * rtlanal.c (insns_safe_to_move_p): Remove.
16374 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16376 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16378 * expmed.c (expand_mult_add): Remove.
16379 * expr.h: Remove the prototype for expand_mult_add.
16381 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16383 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16384 and REG_SAVED_VAL_EXP constants.
16385 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16386 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16387 Handle regs stored by value.
16388 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16389 (execute_cfa_program): Handle DW_CFA_val_offset,
16390 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16391 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16392 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16393 (uw_install_context_1): Handle target regs stored by value.
16395 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16397 * tree-sra.c (tree_sra): Return todoflags;
16398 (generate_one_element): Set TODO_update_smt_usage if needed.
16399 (pass_sra): Remove TODO_update_smt_usage.
16400 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16402 (tree_ssa_forward_propagate_single_use_vars): Return
16403 TODO_update_smt_usage if we need to update SMT usage.
16404 (pass_forwprop): Remove TODO_update_smt_usage.
16406 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16408 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16409 (correct_use_link): Remove reference to get_stmt_operands.
16410 (update_stmt_operands): Likewise.
16411 (get_modify_expr_operands): New function factored out of
16412 parse_ssa_operands and get_expr_operands.
16413 Try to create V_MUST_DEFs for LHS by default.
16414 (get_expr_operands) <case MODIFY_EXPR>: Call
16415 get_modify_expr_operands.
16416 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16417 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16418 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16419 get_modify_expr_operands.
16421 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16423 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16424 * tree-flow.h: Remove the prototype for
16425 referenced_var_lookup_if_exists.
16427 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16429 PR rtl-optimization/26345
16431 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16433 2006-03-03 Roger Sayle <roger@eyesopen.com>
16435 PR tree-optimization/26524
16436 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16437 fold_convert to create a constant of the appropriate type.
16439 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16441 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16442 SYMBOL_REF_IN_BLOCK_P.
16443 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16444 of SYMBOL_FLAG_IN_BLOCK.
16445 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16446 instead of SYMBOL_REF_IN_BLOCK_P.
16447 * explow.c (use_anchored_address): Likewise.
16448 * rtl.c (rtx_size): Likewise.
16449 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16450 instead of SYMBOL_FLAG_IN_BLOCK.
16451 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16452 SYMBOL_REF_IN_BLOCK_P.
16453 (assemble_variable): Likewise.
16454 (output_constant_def_contents): Likewise.
16455 (output_constant_pool): Likewise.
16456 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
16457 instead of SYMBOL_FLAG_IN_BLOCK.
16458 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16459 SYMBOL_REF_IN_BLOCK_P.
16460 (SYMBOL_REF_BLOCK): Likewise.
16461 (SYMBOL_REF_OFFSET): Likewise.
16462 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16463 SYMBOL_REF_IN_BLOCK_P.
16464 (SYMBOL_FLAG_IN_BLOCK): Replace with...
16465 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
16466 (SYMBOL_REF_IN_BLOCK_P): Replace with...
16467 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
16469 2006-03-03 Jakub Jelinek <jakub@redhat.com>
16471 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
16473 2006-03-02 Roger Sayle <roger@eyesopen.com>
16475 * simplify-rtx.c (simplify_unary_operation): When simplifying
16476 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
16477 that we perform the right shift in the appropriate mode, and
16478 then extend or truncate the result to requested mode.
16480 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
16482 * gengtype.c (main): Handle double_int type.
16483 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
16484 * double-int.c: New file.
16485 * double-int.h: New file.
16486 * system.h: Include doubleint.h.
16487 * Makefile.in (SYSTEM_H): Include double-int.h.
16488 (double-int.o): Add.
16490 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
16493 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
16496 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16498 * tree-vrp.c (remove_range_assertions): Do not update statements
16501 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16503 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
16505 * gcse.c (rest_of_handle_gcse): Ditto.
16506 * except.c (gate_handle_eh): Ditto.
16507 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
16508 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
16510 2006-03-02 Eric Christopher <echristo@apple.com>
16512 * config/i386/i386.c (machopic_output_stub): Add indirection to
16515 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16519 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
16521 Sun Niagara specific optimizations.
16522 * config.gcc: Recognize niagara as target.
16523 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
16524 (TARGET_CPU_niagara): Define.
16525 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
16526 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
16527 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16528 (ASM_CPU_SPEC): Likewise.
16529 (PROCESSOR_NIAGARA): New enum entry.
16530 (REGISTER_MOVE_COST): Handle Niagara.
16531 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
16532 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
16533 (sparc_override_options): Recognize "niagara", set appropriate
16534 default MASK_* values for it, and align functions to 32-bytes
16535 by default just like ULTRASPARC/ULTRASPARC3.
16536 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
16537 (sparc64_initialize_trampoline): Likewise.
16538 (sparc_use_sched_lookahead): Use zero for niagara.
16539 (sparc_issue_rate): Use one for niagara.
16540 * config/sparc/niagara.md: New file.
16541 * config/sparc/sparc.md: Include it.
16542 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
16543 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
16544 when default cpu is niagara.
16545 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16546 (ASM_CPU_SPEC): Likewise.
16547 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
16548 when default cpu is niagara.
16549 (ASM_CPU_SPEC): Handle -mcpu=niagara.
16550 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
16551 just like v9/ultrasparc/ultrasparc3.
16552 * doc/invoke.texi: Add documentation for "niagara" and improve
16553 existing documentation for ultrasparc variants.
16555 2006-03-02 Diego Novillo <dnovillo@redhat.com>
16557 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
16559 2006-03-02 Richard Sandiford <richard@codesourcery.com>
16561 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
16562 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
16563 and say that only one is needed.
16564 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
16565 * target.h (have_switchable_bss_sections): New hook.
16566 * explow.c (use_anchored_address): Check that the symbol is in a block.
16567 * varasm.c (tls_comm_section, comm_section, lcomm_section)
16568 (bss_noswitch_section): New variables.
16569 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
16570 (get_noswitch_section): New function.
16571 (get_block_for_section): Allow SECT to be null.
16572 (unlikely_text_section_p): Use SECTION_STYLE.
16573 (bss_initializer_p): New function.
16574 (get_variable_section): Move earlier in file. Take a new argument,
16575 prefer_noswitch_p. Move bss checks from assemble_variable to here.
16576 Return one of the new *_sections in such cases.
16577 (get_block_for_decl): New function, extracting some logic from
16578 use_blocks_for_decl_p.
16579 (change_symbol_section): Remove in favor of...
16580 (change_symbol_block): ...this new function.
16581 (use_blocks_for_decl_p): Remove checks now performed by
16582 get_block_for_decl.
16583 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
16584 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
16585 (emit_local, emit_bss, emit_common): ...these new functions.
16586 Return true if the alignment was honored.
16587 (emit_tls_common): New function.
16588 (asm_emit_uninitialised): Delete.
16589 (assemble_variable_noswitch): New function, split out from...
16590 (assemble_variable): ...here. Don't make decisions about common
16591 variables here. Globalize all public decls that go into non-common
16592 sections. Check whether SYMBOL_REF_BLOCK is null.
16593 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
16594 (output_constant_pool): Likewise.
16595 (init_varasm_once): Initialize the new section variables.
16596 (have_global_bss_p): New function.
16597 (categorize_decl_for_section): Use bss_initializer_p.
16598 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
16599 (place_block_symbol): Assert that the symbol must be in a block.
16600 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
16601 (TARGET_INITIALIZER): Include it.
16602 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
16603 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
16604 (SECTION_MACH_DEP): Bump by two.
16605 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
16606 (unnamed_section): Mention SECTION_UNNAMED in comment.
16607 (named_section): Likewise SECTION_NAMED.
16608 (noswitch_section_callback): New type.
16609 (noswitch_section): New structure.
16610 (section): Add a noswitch_section alternative.
16611 (SECTION_STYLE): New macro.
16612 (tls_comm_section, comm_section, lcomm_section): Declare.
16613 (bss_noswitch_section, have_global_bss_p): Declare.
16614 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16615 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16617 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16618 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16621 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
16623 * tree-vrp.c (execute_vrp): Return value.
16624 * regrename.c (rest_of_handle_regrename): Ditto.
16625 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
16626 * tree-complex.c (tree_lower_complex): Ditto.
16627 (tree_lower_complex_O0): Ditto.
16628 * tracer.c (rest_of_handle_tracer): Ditto.
16629 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
16630 * postreload.c (rest_of_handle_postreload): Ditto.
16631 * tree-tailcall.c (execute_tail_recursion): Ditto.
16632 (execute_tail_calls): Ditto.
16633 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16634 * tree.h (init_function_for_compilation): Ditto.
16635 * ipa-cp.c (ipcp_driver): Ditto.
16636 * tree-scalar-evolution.c (scev_const_prop): Ditto.
16637 * tree-scalar-evolution.h (scev_const_prop): Ditto.
16638 * final.c (compute_alignments): Ditto.
16639 (rest_of_handle_final): Ditto.
16640 (rest_of_handle_shorten_branches): Ditto.
16641 (rest_of_clean_state): Ditto.
16642 * omp-low.c (execute_expand_omp): Ditto.
16643 (execute_lower_omp): Ditto.
16644 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
16645 * ipa-reference.c (static_execute): Ditto.
16646 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
16647 * reorg.c (rest_of_handle_delay_slots): Ditto.
16648 (rest_of_handle_machine_reorg): Ditto.
16649 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
16650 * flow.c (recompute_reg_usage): Ditto.
16651 (rest_of_handle_remove_death_notes): Ditto.
16652 (rest_of_handle_life): Ditto.
16653 (rest_of_handle_flow2): Ditto.
16654 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
16655 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
16656 (do_ssa_store_ccp): Ditto.
16657 (execute_fold_all_builtins): Ditto.
16658 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
16659 * modulo-sched.c (rest_of_handle_sms): Ditto.
16660 * ipa-pure-const.c (static_execute): Ditto.
16661 * cse.c (rest_of_handle_cse): Ditto.
16662 (rest_of_handle_cse2): Ditto.
16663 * web.c (rest_of_handle_web): Ditto.
16664 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
16665 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
16666 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
16667 * tree-nrv.c (tree_nrv): Ditto.
16668 (execute_return_slot_opt): Ditto.
16669 * tree-ssa-alias.c (compute_may_aliases): Ditto.
16670 (create_structure_vars): Ditto.
16671 * loop-init.c (rtl_loop_init): Ditto.
16672 (rtl_loop_done): Ditto.
16673 (rtl_move_loop_invariants): Ditto.
16674 (rtl_unswitch): Ditto.
16675 (rtl_unroll_and_peel_loops): Ditto.
16676 (rtl_doloop): Ditto.
16677 * gimple-low.c (lower_function_body): Ditto.
16678 (mark_used_blocks): Ditto.
16679 * tree-ssa-sink.c (execute_sink_code): Ditto.
16680 * ipa-inline.c (cgraph_decide_inlining): Ditto.
16681 (cgraph_early_inlining): Ditto.
16682 * global.c (rest_of_handle_global_alloc): Ditto.
16683 * jump.c (cleanup_barriers): Ditto.
16684 (purge_line_number_notes): Ditto.
16685 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
16686 (rest_of_handle_if_after_reload): Ditto.
16687 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
16688 (tree_ssa_loop_im): Ditto.
16689 (tree_ssa_loop_unswitch): Ditto.
16690 (tree_vectorize): Ditto.
16691 (tree_linear_transform): Ditto.
16692 (tree_ssa_loop_ivcanon): Ditto.
16693 (tree_ssa_empty_loop): Ditto.
16694 (tree_ssa_loop_bounds): Ditto.
16695 (tree_complete_unroll): Ditto.
16696 (tree_ssa_loop_prefetch): Ditto.
16697 (tree_ssa_loop_ivopts): Ditto.
16698 (tree_ssa_loop_done): Ditto.
16699 * predict.c (tree_estimate_probability): Ditto.
16700 * recog.c (split_all_insns_noflow): Ditto.
16701 (rest_of_handle_peephole2): Ditto.
16702 (rest_of_handle_split_all_insns): Ditto.
16703 * tree-eh.c (lower_eh_constructs): Ditto.
16704 * regmove.c (rest_of_handle_regmove): Ditto.
16705 (rest_of_handle_stack_adjustments): Ditto.
16706 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
16707 * function.c (instantiate_virtual_regs): Ditto.
16708 (init_function_for_compilation): Ditto.
16709 (rest_of_handle_check_leaf_regs): Ditto.
16710 * gcse.c (rest_of_handle_jump_bypass): Ditto.
16711 (rest_of_handle_gcse): Ditto.
16712 * ipa-type-escape.c (type_escape_execute): Ditto.
16713 * alias.c (rest_of_handle_cfg): Ditto.
16714 * tree-if-conv.c (main_tree_if_conversion): Ditto.
16715 * profile.c (rest_of_handle_branch_prob): Ditto.
16716 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
16717 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
16718 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
16719 * tree-dfa.c (find_referenced_vars): Ditto.
16720 * except.c (set_nothrow_function_flags): Ditto.
16721 (convert_to_eh_region_ranges): Ditto.
16722 (rest_of_handle_eh): Ditto.
16723 * emit-rtl.c (unshare_all_rtl): Ditto.
16724 (remove_unnecessary_notes): Ditto.
16725 * except.h (set_nothrow_function_flags): Ditto.
16726 (convert_to_eh_region_ranges): Ditto.
16727 * cfgexpand.c (tree_expand_cfg): Ditto.
16728 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
16729 * tree-ssa-pre.c (do_pre): Ditto.
16730 (execute_fre): Ditto.
16731 * cfgcleanup.c (rest_of_handle_jump): Ditto.
16732 (rest_of_handle_jump2): Ditto.
16733 * tree-sra.c (tree_sra): Ditto.
16734 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
16735 (execute_mudflap_function_decls): Ditto.
16736 * tree-ssa-copy.c (do_copy_prop): Ditto.
16737 (do_store_copy_prop): Ditto.
16738 * ipa-prop.h (ipcp_driver): Ditto.
16739 * cfglayout.c (insn_locators_initialize): Ditto.
16740 * tree-ssa-forwprop.c
16741 (tree_ssa_forward_propagate_single_use_vars): Ditto.
16742 * cfglayout.h (insn_locators_initialize): Ditto.
16743 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
16744 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
16745 (execute_late_warn_uninitialized): Ditto.
16746 * rtl.h (cleanup_barriers): Ditto.
16747 (split_all_insns_noflow): Ditto.
16748 (purge_line_number_notes): Ditto.
16749 (unshare_all_rtl): Ditto.
16750 (remove_unnecessary_notes): Ditto.
16751 (recompute_reg_usage): Ditto.
16752 (variable_tracking_main): Ditto.
16753 * integrate.c (emit_initial_value_sets): Ditto.
16754 * integrate.h (emit_initial_value_sets): Ditto.
16755 * tree-optimize.c (execute_free_datastructures): Ditto
16756 (execute_free_cfg_annotations): Ditto.
16757 (execute_fixup_cfg): Ditto.
16758 (execute_cleanup_cfg_pre_ipa): Ditto.
16759 (execute_cleanup_cfg_post_optimizing): Ditto.
16760 (execute_init_datastructures): Ditto.
16761 * tree-object-size.c (compute_object_sizes): Ditto.
16762 * combine.c (rest_of_handle_combine): Ditto.
16763 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
16764 * bb-reorder.c (duplicate_computed_gotos): Ditto.
16765 (rest_of_handle_reorder_blocks): Ditto.
16766 (rest_of_handle_partition_blocks): Ditto.
16767 * var-tracking.c (variable_tracking_main): Ditto.
16768 * tree-profile.c (tree_profiling): Ditto.
16769 * tree-vect-generic.c (expand_vector_operations): Ditto.
16770 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
16771 * sched-rgn.c (rest_of_handle_sched): Ditto.
16772 (rest_of_handle_sched2): Ditto.
16773 * basic-block.h (free_bb_insn): Ditto.
16774 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
16775 * tree-cfg.c (execute_build_cfg): Ditto.
16776 (remove_useless_stmts): Ditto.
16777 (split_critical_edges): Ditto.
16778 (execute_warn_function_return): Ditto.
16779 (execute_warn_function_noreturn): Ditto.
16780 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
16781 * cfgrtl.c (free_bb_for_insn): Ditto.
16782 * passes.c (execute_one_pass): Run additional
16783 todos returned by execute function.
16784 * tree-pass.h (struct tree_opt_pass): Make execute
16787 2006-03-02 Richard Guenther <rguenther@suse.de>
16789 * tree-ssa-alias.c (find_used_portions): Consider taking
16790 the address as making the variable not write-only.
16792 2006-03-02 Nick Clifton <nickc@redhat.com>
16794 * config.gcc (default_use_cxa_atexit): Extend the description of
16795 this configure variable. Set its default value to "yes" for
16796 Linux, NetBSD and ELF targets on the assumption that they will
16797 use C libraries with the __cxa_atexit function.
16799 2006-03-02 Ben Elliston <bje@au.ibm.com>
16801 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
16802 parameter as unused to suppress a build warning.
16804 2006-03-02 Ben Elliston <bje@au.ibm.com>
16806 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
16809 2006-03-01 Roger Sayle <roger@eyesopen.com>
16812 * gthr-posix.h (__gthrw2): Define to take three parameters, the
16813 declared name, the weak reference name, and the typeof name.
16814 (__gthrw): Avoid expanding the declared name suffix.
16815 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
16817 2006-03-01 Jakub Jelinek <jakub@redhat.com>
16819 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
16821 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
16822 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
16823 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
16824 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
16825 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
16826 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
16827 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
16828 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
16829 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
16830 DW_DS_leading_separate, DW_DS_trailing_separate): New.
16831 (DW_END_default, DW_END_big, DW_END_little): New.
16832 (DW_END_lo_user, DW_END_hi_user): Define.
16833 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
16834 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
16835 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
16838 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16840 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
16842 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
16844 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
16846 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
16848 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
16849 to 'symbol_mem_tag'.
16851 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
16854 2006-03-01 Roger Sayle <roger@eyesopen.com>
16856 * builtins.c (fold_builtin_copysign): Delete unreachable code.
16858 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16861 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
16862 MACHO_DYNAMIC_NO_PIC_P.
16863 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
16865 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16868 * config/darwin-protos.h (darwin_asm_output_anchor):
16870 * config/darwin-sections.def (cstring_section):
16871 Add SECTION_MERGE to the flags.
16872 (literal4_section): Likewise.
16873 (literal8_section): Likewise.
16874 (objc_selector_refs_section): Likewise.
16875 (objc_cls_refs_section): Likewise.
16876 * config/darwin.c (darwin_asm_output_anchor): New
16878 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16880 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
16882 Fix PR tree-optimization/26443
16883 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
16884 to todo and PROP_tmt_usage to properties_destroyed.
16885 * tree-ssa-ccp.c (pass_ccp): Ditto.
16886 (pass_store_ccp): Ditto.
16887 * tree-ssa-dom.c (pass_dominator): Ditto.
16889 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16891 * tree-ssa-operands.c: Cleanup whitespace.
16892 (get_asm_expr_operands): Move before first invocation.
16893 (get_indirect_ref_operands): Likewise.
16894 (get_tmr_operands): Likewise.
16895 (get_call_expr_operands): Likewise.
16896 (append_def): Likewise.
16897 (append_use): Likewise.
16898 (append_v_may_def): Likewise.
16899 (append_v_must_def): Likewise.
16900 (add_call_clobber_ops): Likewise.
16901 (add_call_read_ops): Likewise.
16902 (add_stmt_operand): Likewise.
16903 (add_virtual_operand): Likewise.
16904 (build_ssa_operands): Likewise.
16906 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16908 PR middle-end/26022
16910 PR middle-end/24437
16911 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16912 with a call expr to ...
16913 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16915 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16917 * tree-vrp.c (extract_range_from_assert): Remove special
16918 handling for types with super-types.
16920 2006-03-01 Ben Elliston <bje@au.ibm.com>
16922 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
16923 and powerpc64-*-linux* configurations.
16924 * config/t-dfprules: New file.
16926 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
16927 Compile dfp-bit.c from the source directory using -DWIDTH and
16928 $DFP_CFLAGS to control the compilation of that file, rather than
16929 generating width-specific versions in the build directory.
16930 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
16931 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
16933 2006-02-28 Zack Weinberg <zackw@panix.com>
16935 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
16938 2006-02-28 Eric Christopher <echristo@apple.com>
16940 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
16941 Set up IN_LIBGCC definition of TARGET_64BIT.
16942 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
16944 2006-02-28 Roger Sayle <roger@eyesopen.com>
16946 PR middle-end/14752
16947 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
16948 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
16949 cases via the construction of "expr != 0".
16951 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
16953 * alias.c (alias_invariant, alias_invariant_size): Remove.
16954 (record_base_value): Remove.
16955 (memrefs_conflict_p): Don't look at alias_invariant.
16956 (end_alias_analysis): Don't free it.
16957 * alias.h (record_base_value): Remove prototype.
16959 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
16960 Adam Nemet <anemet@caviumnetworks.com>
16962 * rtl.h (truncated_to_mode): Declare it.
16963 (struct rtl_hooks): Add reg_truncated_to_mode hook.
16964 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
16965 (RTL_HOOKS_INITIALIZER): Include it.
16966 * rtlhooks.c (reg_truncated_to_mode_general): New function.
16967 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
16968 reg_truncated_to_mode.
16969 * rtlanal.c (truncated_to_mode): Define it.
16970 * simplify-rtx.c (simplify_unary_operation_1): Use it.
16972 2006-02-28 Jeff Law <law@redhat.com>
16974 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
16975 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
16976 the range allowed by TYPE_PRECISION.
16978 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
16980 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
16982 PR tree-optimization/26419
16983 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
16986 2006-02-27 Zack Weinberg <zackw@panix.com>
16988 * doc/md.texi: Fix typo in previous change.
16990 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
16994 2006-02-27 Zack Weinberg <zackw@panix.com>
16996 * rtl.def (define_constraint, define_register_constraint)
16997 (define_memory_constraint, define_address_constraint): New MD forms.
16998 * gensupport.c (process_rtx): Put define_constraint etc on the
17000 * genpreds.c (process_define_predicate): Adjust comment. Validate
17001 the name, and call validate_exp to validate the expression.
17002 (mark_mode_tests, write_extract_subexp): Can assume correct input.
17003 (write_predicate_expr): Likewise. NAME argument no longer necessary;
17004 all callers changed.
17005 (validate_exp, needs_variable, struct constraint_data)
17006 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17007 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17008 (const_dbl_constraints, constraint_max_namelen)
17009 (have_register_constraints, have_memory_constraints)
17010 (have_address_constraints, have_address_constraints)
17011 (have_extra_constraints, have_const_int_constraints)
17012 (have_const_dbl_constraints, mangle, add_constraint)
17013 (process_define_constraint, process_define_register_constraint)
17014 (write_enum_constraint_num, write_lookup_constraint)
17015 (write_insn_constraint_len, write_regclass_for_constraint)
17016 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17017 (write_insn_extra_memory_constraint)
17018 (write_insn_extra_address_constraint)
17019 (write_satisfies_constraint_fns): New.
17020 (write_tm_preds_h): If we have new-style constraint definitions,
17021 prototype the functions generated from them, and define the
17022 old constraint interface (still used by generic code) in terms of
17024 (write_insn_preds_c): If we have new-style constraint definitions,
17025 generate all relevant functions from those definitions.
17026 (main): Handle define_constraint etc.
17027 * genoutput.c (struct constraint_data, indep_constraints)
17028 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17029 (mdep_constraint_len): New data structures and functions, defined
17030 #ifdef USE_MD_CONSTRAINTS.
17031 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17032 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17033 use new logic to validate operand constraints against constraint
17035 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17037 * defaults.h: If none of the old-style constraint macros are
17038 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17039 old-style macros; and poison REG_CLASS_FROM_LETTER,
17040 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17042 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17043 * doc/md.texi: Document new constraint-definition mechanism and the
17044 C interface it provides. Remove references to old mechanism
17045 elsewhere in the document.
17046 (Machine Constraints): Use pathnames relative to gcc directory,
17047 i.e. config/ARCH/FILE. Change i386 section to refer to
17048 config/i386/predicates.md; update that section to match docstrings.
17049 * doc/tm.texi: Move all documentation of the old constraint-
17050 definition macros to their own section, clearly mark as obsolete.
17052 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17053 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17055 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17056 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17057 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17058 constraint strings.
17059 (splits and peepholes): Use satisfies_constraint_*.
17060 * config/i386/i386.c (memory_address_length)
17061 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17063 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17065 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17066 scalar operation to be put back into the loop.
17068 2006-02-27 Jakub Jelinek <jakub@redhat.com>
17071 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17072 (extract_cie_info): Handle S flag in augmentation string.
17073 (execute_cfa_program): If context->signal_frame, execute also
17074 fs->pc == context->ra instructions.
17075 (uw_frame_state_for): If context->signal_frame, don't subtract one
17076 from context->ra to find FDE.
17077 (uw_update_context_1): Set context->signal_frame to
17079 (_Unwind_GetIPInfo): New function.
17080 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17081 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17083 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17084 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17085 * unwind-compat.c (_Unwind_GetIPInfo): New function.
17086 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17087 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
17088 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
17089 * config/i386/linux-unwind.h (x86_fallback_frame_state,
17090 x86_64_fallback_frame_state): Set fs->signal_frame.
17091 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
17092 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
17093 (frob_update_context): Likewise. Workaround missing S flag in
17094 Linux 2.6.12 - 2.6.16 kernel vDSOs.
17095 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
17096 Remove the psw_addr + 1 hack.
17098 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17100 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
17101 with aggregates here.
17102 (find_func_aliases): Remove code for &<aggregate> from here.
17104 2006-02-26 Roger Sayle <roger@eyesopen.com>
17106 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
17107 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
17108 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
17109 as (X & C) ne/eq 0.
17111 2006-02-26 Roger Sayle <roger@eyesopen.com>
17113 PR middle-end/19983
17114 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
17116 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
17118 * opts.c (decode_options): Do not handle flag_strength_reduce.
17119 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
17120 and OPT_fstrength_reduce.
17121 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
17122 flag_prefetch_loop_arrays for being nonzero.
17123 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
17125 (fprefetch-loop-arrays-rtl): Removed.
17126 (flag_prefetch_loop_arrays): Do not specify the value.
17128 * doc/passes.texi: Update documentation of loop optimizer
17130 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
17131 -frerun-loop-opt): Remove.
17133 2006-02-26 Richard Guenther <rguenther@suse.de>
17135 PR tree-optimization/26421
17136 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
17137 in function calls that are ADDR_EXPRs as using the whole structure.
17139 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
17141 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
17142 * tree-pass.h (pass_loop_optimize): Remove.
17143 * passes.c (pass_loop_optimize): Never run it.
17144 * toplev.c (backend_init): Don't call init_loop.
17145 * opts.c (flag_loop_optimize_set): Remove.
17146 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
17147 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
17148 the old RTL loop optimizer when profiling enabled.
17149 * predict.c (tree_estimate_probability): Always strip builtin_expect.
17150 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
17151 pre-headers for the sake of the old RTL loop optimizer.
17152 * Makefile.in: Remove all references to loop.o.
17154 * doc/invoke.texi: Remove all references to -floop-optimize
17155 and -frerun-loop-opt.
17157 2006-02-26 Zack Weinberg <zackw@panix.com>
17159 * doc/md.texi (Machine Constraints): Refer to all files with paths
17160 relative to gcc directory (i.e. config/CPU/file). Add missing
17161 @table @code ... @end table to M32C subsection.
17163 2006-02-26 Roger Sayle <roger@eyesopen.com>
17165 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
17167 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
17169 2006-02-26 Roger Sayle <roger@eyesopen.com>
17170 James A. Morrison <phython@gcc.gnu.org>
17172 PR middle-end/21137
17173 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
17174 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
17175 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
17176 signedness of the shift operation.
17178 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
17180 PR tree-optimization/26359
17181 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
17183 2006-02-25 Roger Sayle <roger@eyesopen.com>
17185 * simplify-rtx.c (simplify_relational_operation_1): Simplify
17186 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
17187 as X == 0, and some symmetry related transformations.
17188 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
17190 2006-02-25 Roger Sayle <roger@eyesopen.com>
17192 PR middle-end/23673
17193 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
17194 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
17195 symmetry related transformations. Fold (X^C1) == C2 as
17198 2006-02-25 Juergen Weigert <jw@suse.de>
17199 Richard Guenther <rguenther@suse.de>
17201 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
17203 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
17205 * combine.c (gen_lowpart_or_truncate): Call
17206 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
17208 2006-02-24 Diego Novillo <dnovillo@redhat.com>
17210 * doc/invoke.texi: Move -fopenmp description to "Options for
17212 Remove reference to -lgomp.
17214 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17216 * doc/install.texi: Require GNU tar version 1.14.
17218 2006-02-24 Geoffrey Keating <geoffk@apple.com>
17220 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
17221 * doc/invoke.texi (C++ Dialect Options): Document
17222 -fno-use-cxa-get-exception-ptr.
17223 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
17224 * configure: Regenerate.
17225 * c.opt (fuse-cxa-get-exception-ptr): New.
17226 * c-opts.c (c_common_handle_option): Handle
17227 OPT_fuse_cxa_get_exception_ptr.
17228 * c-common.c (flag_use_cxa_atexit): Update documentation.
17229 (flag_use_cxa_get_exception_ptr): New.
17230 * c-common.h (flag_use_cxa_get_exception_ptr): New.
17231 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
17233 (C_COMMON_OVERRIDE_OPTIONS): New.
17235 2006-02-24 Roger Sayle <roger@eyesopen.com>
17237 PR middle-end/24952
17238 * combine.c (try_combine): Explicitly check whether GET_CODE is
17239 a SET or a CLOBBER, instead on checking that it isn't a USE.
17241 2006-02-24 Roger Sayle <roger@eyesopen.com>
17243 * fold-const.c (fold_comparison): New subroutine of fold_binary
17244 containing transformations common to both the equality and
17245 ordering relational operators, factored out of fold_binary.
17246 (fold_binary): Separate out the equality operators (EQ_EXPR
17247 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17248 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17249 transformations common to both.
17250 (fold_div_compare): Fix latent bugs in the previously unreachable
17251 LT_EXPR and GE_EXPR cases.
17253 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17255 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17256 decl libname for clog to __clog on AIX.
17258 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17260 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17263 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17264 output traceback table for thunks. Localise rs6000_stack_info call.
17266 2006-02-23 Roger Sayle <roger@eyesopen.com>
17267 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17269 * gthr-posix.h (__gthrw): Fix typo in comment.
17271 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17273 * doc/cpp.texi (Character sets): Document that we do support
17274 input files to be in any character set.
17276 2006-02-23 Jeff Law <law@redhat.com>
17278 * tree.h (PHI_ARG_NONZERO): Remove.
17279 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17280 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17281 node to the new node.
17283 PR tree-optimization/26425
17284 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17285 min/max, then assume its varying.
17287 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17289 PR rtl-optimization/26316
17290 * rtlanal.c (enum may_trap_p_flags): New.
17291 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17292 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17293 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17294 (may_trap_after_code_motion_p): New function.
17295 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17296 (find_invariant_insn): Use may_trap_after_code_motion_p.
17297 * rtl.h (may_trap_after_code_motion_p): Declare.
17299 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17301 * emit-rtl.c (immed_double_const): Cleanup.
17303 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17305 Fix PR tree-optimization/26376
17306 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17309 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17311 PR middle-end/26412
17312 * gimplify.c (omp_add_variable): Guard variable size decl test with
17313 DECL_SIZE (decl) check.
17315 2006-02-23 Richard Guenther <rguenther@suse.de>
17317 PR middle-end/26439
17318 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17319 like aggregate types.
17321 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17323 * configure.ac: Add --with{,out}-long-double-128 configure option.
17324 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17325 * configure: Rebuilt.
17326 * config.in: Rebuilt.
17327 * doc/install.texi (Options specification): Document
17328 --with-long-double-128.
17330 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17331 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17332 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17333 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17335 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17337 * config/s390/s390.c (override_options): Handle
17338 TARGET_DEFAULT_LONG_DOUBLE_128.
17340 * config/alpha/alpha.c (override_options): Handle
17341 TARGET_DEFAULT_LONG_DOUBLE_128.
17343 * config/sparc/sparc.c (sparc_override_options): Handle
17344 TARGET_DEFAULT_LONG_DOUBLE_128.
17346 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17348 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17349 (real-install-headers-tar, real-install-headers-cpio)
17350 (real-install-headers-cp): New targets.
17352 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17354 * tree.h (variable_section): Delete.
17355 * varasm.c (variable_section): Delete.
17357 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17359 * install.texi: Add notes on install.texi2html.
17360 (Building in parallel): Do not use footnotes.
17362 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17365 * doc/install.texi (Configuration): Document --disable-libgomp.
17367 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17369 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17371 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17373 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17374 (vec_extractv2df_0_sse): New.
17376 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17378 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17379 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17380 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17381 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17382 to the result of the expression.
17383 (def_cfa_1): Adjust.
17384 (frame_pointer_cfa_offset): Rename to...
17385 (frame_pointer_fb_offset): ... this. Adjust all uses.
17386 (convert_cfa_to_loc_list): Rename to...
17387 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17388 Pass it on to build_cfa_loc.
17389 (compute_frame_pointer_to_cfa_displacement): Rename to...
17390 (compute_frame_pointer_to_fb_displacement): ... this. New
17391 offset parameter. Use it in computation.
17392 (gen_subprogram_die): Compute cfa_fb_offset with the new
17393 macro, and use it to compute the fb loc list and the
17396 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17398 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17399 replaced with register_operand.
17400 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17401 non-DREG is expensive.
17402 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17403 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17406 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17408 * doc/install.texi2html: Use set -e.
17410 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17412 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17413 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17414 * doc/invoke.texi (-fshared-data): Delete.
17415 * common.opt (fshared-data): Delete.
17416 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17417 (assemble_static_space): Remove #if 0 code.
17418 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17419 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17420 * config/cris/cris.h: Remove FIXME.
17422 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17424 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17427 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17429 PR middle-end/26379
17430 * combine.c (simplify_shift_const_1): Disable nested shifts
17431 optimization for vector shifts.
17433 2006-02-20 Roger Sayle <roger@eyesopen.com>
17435 PR tree-optimization/26361
17436 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17437 of unsigned integer types.
17439 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17441 * tree-chrec.c (eq_evolutions_p): New.
17442 * tree-chrec.h (eq_evolutions_p): Declared.
17443 * tree-data-ref.c: Fix formatting.
17444 (datadep_stats, dependence_stats): New.
17446 (print_direction_vector): New.
17447 (dump_data_dependence_relation): Use print_direction_vector.
17448 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17449 (compute_subscript_distance): Static.
17450 (initialize_data_dependence_relation): Static. Get the number
17451 of loops surrounding the references from the callers, and initialize
17452 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
17453 base_object_differ_p analyzers.
17454 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
17455 compute_overlap_steps_for_affine_1_2,
17456 analyze_subscript_affine_affine): Count the classified dependences.
17457 Print a message when a test failed.
17458 (can_use_analyze_subscript_affine_affine): New.
17459 (analyze_siv_subscript): Compute the data dependences on symbolic
17460 scevs that verify can_use_analyze_subscript_affine_affine.
17461 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
17462 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
17463 Handle symbolic scevs.
17464 (analyze_overlapping_iterations): Let symbolic affine scevs to be
17466 (subscript_dependence_tester): Moved...
17467 (build_classic_dist_vector, build_classic_dir_vector): Don't use
17468 lambda_vector_clear on newly allocated vectors. Get nb_loops from
17469 DDR_SIZE_VECT instead of getting it in parameter.
17470 (subscript_dependence_tester): ... here. Take as a parameter
17471 loop_nest_depth. Call build_classic_dist_vector and
17472 build_classic_dir_vector.
17473 (compute_affine_dependence): Update subscript_dependence_tester
17474 parameters. Update datadep_stats counters. Call
17475 compute_subscript_distance.
17476 (compute_self_dependence): Save the dist and dir vectors. Call
17477 compute_subscript_distance.
17478 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
17479 (compute_all_dependences): Reorder parameters as they were before
17480 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
17481 compute_subscript_distance. Update the use of
17482 compute_affine_dependence and initialize_data_dependence_relation.
17483 (find_data_references_in_loop): Handle COMPONENT_REF.
17484 (compute_data_dependences_for_loop): Initialize dependence_stats.
17485 Don't call build_classic_dist_vector and build_classic_dir_vector.
17486 Update the parameters of initialize_data_dependence_relation and
17487 compute_all_dependences. Print the statistics from datadep_stats.
17488 (analyze_all_data_dependences): Static. Not used until the pass for
17489 checking the data dependences is contributed.
17490 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
17491 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
17492 (initialize_data_dependence_relation, compute_affine_dependence,
17493 analyze_all_data_dependences, compute_subscript_distance): Removed.
17494 (print_direction_vector): New.
17495 * lambda.h (gcd): ... here.
17496 (lambda_vector_gcd): Moved here from gcd_vector.
17497 * lambda-code.c (gcd, gcd_vector): Removed.
17498 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
17499 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
17501 2006-02-20 Diego Novillo <dnovillo@redhat.com>
17503 * ipa-type-escape.c: Tidy some comments and white space.
17504 * tree-ssa-operands.c: Likewise.
17506 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
17509 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
17510 (dump_decl_name): Do not walk the decl tree chains.
17511 * tree-pass.h (TDF_CHAIN): Remove.
17513 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17515 * Makefile.in (C): Remove
17517 (.PHONY): Remove C and PROTO
17519 2006-02-20 Roger Sayle <roger@eyesopen.com>
17521 PR middle-end/26236
17522 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
17523 deprecated CHAR_TYPE tree code.
17525 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17527 * configure.ac (target_list): Add install-info, dvi, html.
17528 * configure: Regenerate.
17530 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
17531 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
17532 treelang/Make-lang.in: Do not use double-colon rules.
17534 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
17536 * tree.h (struct tree_memory_tag): Add is_used_alone member.
17537 (TMT_USED_ALONE): New macro.
17538 * tree-pass.h (PROP_tmt_usage): New property.
17539 (TODO_update_tmt_usage): New todo.
17540 * tree-ssa-alias.c (updating_used_alone): New variable.
17541 (recalculate_used_alone): New function.
17542 (compute_may_aliases): Set updating_used_alone, call
17543 recalculate_used_alone.
17544 * tree-sra.c (pass_sra): Note that this pass destroys
17545 PROP_tmt_usage, and add TODO_update_tmt_usage.
17546 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
17547 * tree-flow.h (updating_used_alone): Prototype.
17548 (recalculate_used_alone): Ditto.
17549 * passes.c (execute_todo): Add code to set updating_used_alone,
17550 and call recalculate.
17551 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
17552 for clobber if used alone, and add assert to verify used_alone
17555 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
17557 * config/s390/s390.c (legitimize_pic_address): Assertions checking
17558 for non tls symbols added.
17559 (legitimize_address): Do nothing for PLUS expressions if one of the
17560 addends is a tls symbol reference.
17562 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17566 * Makefile.in (LDFLAGS): Define from autoconf substitution.
17568 * Makefile.in (BOOTSTRAPPING): New.
17569 (quickstrap): New definition if BOOTSTRAPPING=yes.
17571 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
17572 * configure.ac: Substitute all_selected_languages with the languages
17573 that were configured. For all the other variables except
17574 lang_specs_files, include all the languages in the tree.
17575 * configure: Regenerate.
17577 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
17578 if there is one. Run the commands to run fixincludes in the same
17581 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
17582 * doc/install.texi: Document exact conventions for searching target tools.
17583 Document --with-build-time-tools. Document toplevel bootstrap. Document
17584 something more about building an Ada cross-compiler. Don't list GNU Make
17585 requirements which affect all platforms.
17587 2006-02-19 Roger Sayle <roger@eyesopen.com>
17589 PR middle-end/19543
17590 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
17591 only equivalent if the have both the same mode and precision.
17593 2006-02-20 Ben Elliston <bje@au.ibm.com>
17595 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
17597 2006-02-19 Roger Sayle <roger@eyesopen.com>
17598 Steven Bosscher <stevenb.gcc@gmail.com>
17600 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
17601 constant pool references to identify stack mode constants.
17602 * rtlanal.c (constant_pool_constant_p): New predicate to check
17603 whether operand is a floating point constant in the pool.
17604 * rtl.h (constant_pool_constant_p): Prototype here.
17605 * loop.c (scan_loop): Avoid hoisting constants from the constant
17606 pool on STACK_REGS targets.
17607 (load_mems): Likewise.
17608 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
17609 loads into x87 registers expensive in terms of register pressure.
17611 2006-02-19 Roger Sayle <roger@eyesopen.com>
17613 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
17614 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
17616 2006-02-19 David Edelsohn <edelsohn@gnu.org>
17618 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17619 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
17621 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
17623 * doc/invoke.texi: Document -fipa-pta.
17624 * common.opt: Add ipa-pta option.
17625 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
17626 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
17627 (do_ds_constraint): Ditto.
17628 (get_constraint_for): Only add to referenced_vars if
17629 referenced_vars exists.
17630 (insert_into_field_list): Rewrite to do this unsorted.
17631 (insert_into_field_list_sorted): Rename old insert_into_field_list
17633 (create_function_info_for): Use insert_into_field_list_sorted.
17634 (create_variable_info_for): Rewrite so it uses unsorted version,
17635 since the field list is sorted.
17636 (intra_create_variable_infos): Only add to referenced_vars if
17637 referenced_vars exists.
17638 (ipa_pta_execute): Init heapvars, and delete when done.
17639 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
17641 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17643 * doc/install.texi: Add missing `@samp'.
17645 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17647 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
17650 2006-02-18 Mark Wielaard <mark@klomp.org>
17652 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
17653 who added new 4.1 features, bug fixes and integration support.
17655 2006-02-18 David Edelsohn <edelsohn@gnu.org>
17658 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
17659 MEM for ABI_V4 pic.
17661 2006-02-18 Richard Sandiford <richard@codesourcery.com>
17663 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
17664 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
17665 (copy_insn_1): Likewise. Don't copy each field individually.
17667 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
17669 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
17670 * rtl.c (rtx_size): Rename variable to...
17671 (rtx_code_size): ...this.
17672 (rtx_size): New function.
17673 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
17674 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
17676 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
17677 * rtl.h (rtx_code_size): New variable.
17678 (rtx_size): Change from a variable to a function.
17679 (RTX_SIZE): Rename to...
17680 (RTX_CODE_SIZE): ...this.
17683 PR tree-optimization/17106
17684 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
17685 (Anchored Addresses): New section.
17686 * doc/invoke.texi (-fsection-anchors): Document.
17687 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
17688 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
17689 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
17690 * hooks.c (hook_bool_mode_rtx_false): New function.
17691 * hooks.h (hook_bool_mode_rtx_false): Declare.
17692 * gengtype.c (create_optional_field): New function.
17693 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
17694 SYMBOL_REF_IN_BLOCK_P is true.
17695 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
17696 (min_anchor_offset, max_anchor_offset): Likewise.
17697 (use_anchors_for_symbol_p): New hook.
17698 * toplev.c (compile_file): Call output_object_blocks.
17699 (target_supports_section_anchors_p): New function.
17700 (process_options): Check that -fsection-anchors is only used on
17701 targets that support it and when -funit-at-a-time is in effect.
17702 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
17703 if the decl doesn't have one.
17704 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
17705 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
17706 of force_const_mem through use_anchored_address.
17707 (expand_expr_constant): New function.
17708 (expand_expr_addr_expr_1): Call it. Use the same modifier when
17709 calling expand_expr for INDIRECT_REF.
17710 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
17711 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
17712 * expr.h (use_anchored_address): Declare.
17713 * loop-unroll.c: Don't declare rtx vectors here.
17714 * explow.c: Include output.h.
17715 (validize_mem): Call use_anchored_address.
17716 (use_anchored_address): New function.
17717 * common.opt (-fsection-anchors): New switch.
17718 * varasm.c (object_block_htab, anchor_labelno): New variables.
17719 (hash_section, object_block_entry_eq, object_block_entry_hash)
17720 (use_object_blocks_p, get_block_for_section, create_block_symbol)
17721 (use_blocks_for_decl_p, change_symbol_section): New functions.
17722 (get_variable_section): New function, split out from assemble_variable.
17723 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
17724 use_blocks_for_decl_p say so. Use change_symbol_section if the
17725 symbol has already been created.
17726 (assemble_variable_contents): New function, split out from...
17727 (assemble_variable): ...here. Don't output any code for
17728 block symbols; just pass them to place_block_symbol.
17729 Use get_variable_section and assemble_variable_contents.
17730 (get_constant_alignment, get_constant_section, get_constant_size): New
17731 functions, split from output_constant_def_contents.
17732 (build_constant_desc): Create a block symbol if use_object_blocks_p
17733 says so. Or into SYMBOL_REF_FLAGS.
17734 (assemble_constant_contents): New function, split from...
17735 (output_constant_def_contents): ...here. Don't output any code
17736 for block symbols; just pass them to place_section_symbol.
17737 Use get_constant_section and get_constant_alignment.
17738 (force_const_mem): Create a block symbol if use_object_blocks_p and
17739 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
17740 (output_constant_pool_1): Add an explicit alignment argument.
17741 Don't switch sections here.
17742 (output_constant_pool): Adjust call to output_constant_pool_1.
17743 Switch sections here instead. Don't output anything for block symbols;
17744 just pass them to place_block_symbol.
17745 (init_varasm_once): Initialize object_block_htab.
17746 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
17747 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
17748 (place_block_symbol, get_section_anchor, output_object_block)
17749 (output_object_block_htab, output_object_blocks): New functions.
17750 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
17751 (TARGET_ASM_OUT): Include it.
17752 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
17753 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
17754 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
17755 (TARGET_INITIALIZER): Include them.
17756 * rtl.c (rtl_check_failed_block_symbol): New function.
17757 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
17758 (block_symbol, object_block): New structures.
17759 (rtx_def): Add a block_symbol field to the union.
17760 (BLOCK_SYMBOL_CHECK): New macro.
17761 (rtl_check_failed_block_symbol): Declare.
17762 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
17763 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
17764 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
17765 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
17766 * output.h (output_section_symbols): Declare.
17767 (object_block): Name structure.
17768 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
17769 (default_use_anchors_for_symbol_p): Declare.
17770 * Makefile.in (RTL_BASE_H): Add vec.h.
17771 (explow.o): Depend on output.h.
17772 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
17773 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
17774 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
17775 (rs6000_use_blocks_for_constant_p): New function.
17777 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17779 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
17781 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17784 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
17787 2006-02-18 Diego Novillo <dnovillo@redhat.com>
17789 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
17793 2006-02-18 Jakub Jelinek <jakub@redhat.com>
17795 PR middle-end/26334
17796 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
17797 instead of DECL_REGISTER.
17799 2006-02-18 Olivier Hainque <hainque@adacore.com>
17802 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
17804 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
17807 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
17808 * opth-gen.awk: Handle Var and InverseMask together.
17809 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
17810 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
17811 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
17812 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
17814 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17815 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17816 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
17817 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17818 LINUX_DYNAMIC_LINKER): Define.
17819 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
17820 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
17822 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17823 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
17824 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17825 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17826 (TARGET_C99_FUNCTIONS): Don't define.
17827 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
17828 GLIBC_DYNAMIC_LINKER.
17829 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
17830 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
17831 GLIBC_DYNAMIC_LINKER64): Define.
17832 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17833 LINUX_DYNAMIC_LINKER64.
17834 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17835 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17836 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
17837 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17838 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17839 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17840 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
17841 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
17842 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
17843 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
17844 and LINUX_DYNAMIC_LINKER32.
17845 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17846 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17847 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
17848 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17849 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
17851 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
17852 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
17853 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17854 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17855 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17856 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
17857 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
17858 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
17859 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17860 LINUX_DYNAMIC_LINKER): Define.
17861 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
17862 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
17863 GLIBC_DYNAMIC_LINKER64): Define.
17864 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17865 LINUX_DYNAMIC_LINKER64.
17866 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17867 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17868 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
17869 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17870 LINUX_DYNAMIC_LINKER): Define.
17871 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17872 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17873 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
17874 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
17875 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
17876 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17877 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
17878 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
17879 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17880 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17881 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17882 * doc/invoke.texi (-muclibc): Remove caveat about supported
17885 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
17887 * doc/cpp.texi (__TIMESTAMP__): Document.
17889 2006-02-17 Roger Sayle <roger@eyesopen.com>
17891 PR middle-end/25600
17892 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
17893 C is one less than the width of X (and related transformations).
17894 * simplify-rtx.c (simplify_unary_operation_1): Transform
17895 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
17896 depending on STORE_FLAG_VALUE, were C is one less then the
17899 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
17901 Fix PR tree-optimization/26341
17902 * tree-ssa-operands.c (add_virtual_operand): Remove assert
17903 about NAME_MEMORY_TAG's.
17905 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17908 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
17909 with hardware float support, and software float support. Add fcpy
17910 alternative to hardware patterns. Add alternatives to copy between
17911 general and floating-point registers to the 32-bit pattern.
17912 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
17913 secondary reload to load a QI or HI mode constant into a floating
17915 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
17916 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
17918 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
17921 * config/rs6000/darwin.md (load_macho_picbase_si): Add
17923 (load_macho_picbase_di): Likewise.
17925 2006-02-16 Jeff Law <law@redhat.com>
17927 * tree-vrp.c (set_value_range_to_nonnegative): New function.
17928 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
17929 (ssa_name_nonzero_p): Likewise.
17930 (get_value_range): Return NULL if VRP is not running.
17931 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
17932 VRP routines do not discover a range.
17933 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
17934 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
17935 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
17936 (tree_expr_nonnegative_p): Similarly.
17937 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
17938 (restore_nonzero_vars_to_original_value): Remove.
17939 (unsafe_associative_fp_binop): Remove.
17940 (tree_ssa_dominator_optimize): Remove initialization and
17941 finalization of nonzero_vars and nonzero_vars_stack.
17942 (dom_opt_initialize_block): No longer push marker on
17943 nonzero_vars_stack.
17944 (dom_opt_finalize_block): No longer call
17945 restore_nonzero_vars_to_original_value.
17946 (record_equivalences_from_phis): No longer look for
17947 nonzero PHI arguments.
17948 (cprop_into_successor_phis): No longer propagate nonzero
17949 property into PHI arguments. Lose unused argument. Caller
17951 (record_equivalences_from_stmt): No longer record nonzero
17952 values for SSA_NAMEs.
17953 (lookup_avail_expr): No longer use nonzero_vars.
17955 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
17956 for sizetype when sizetype is unsigned.
17958 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
17960 PR rtl-optimization/25603
17961 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
17962 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
17963 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
17964 with new meaning of SETS.
17966 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
17971 * config/linux.opt: New file.
17972 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
17973 LINUX_DYNAMIC_LINKER): Define.
17974 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
17975 * config.gcc (*-*-linux*): Define extra_options.
17976 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
17977 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
17978 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
17979 GLIBC_DYNAMIC_LINKER.
17980 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
17981 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17982 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17983 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17984 * doc/invoke.texi (GNU/Linux Options): New section.
17986 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
17988 * config/sparc/sparc.md (setjmp): Rewrite.
17989 (setjmp_32): Delete.
17990 (setjmp_64): Likewise.
17992 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
17994 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
17997 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17999 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18002 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18004 PR rtl-optimization/26296
18005 * Makefile.in (loop-invariant.c): Add except.h dependency.
18006 * loop-invariant.c: Include except.h.
18007 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18009 2005-02-16 Paul Brook <paul@codesourcery.com>
18011 * reload1.c (emit_reload_insns): Invalidate dead input registers used
18014 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
18016 PR rtl-optimization/25636
18017 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18018 when deciding whether an insn is an initializing insn.
18020 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
18022 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18023 (tree_code_size): Ditto.
18024 * tree.h (struct tree_memory_tag): Remove parent_var.
18025 (struct tree_struct_field_tag): New.
18028 (union tree_node): Add sft member.
18029 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18031 (create_sft): Add size and offset argument, set SFT_OFFSET and
18033 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18034 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18035 * tree-flow-inline.h (get_subvar_at): Update for
18036 SFT_OFFSET/SFT_SIZE.
18037 (var_can_have_subvars): Ditto.
18038 (overlap_subvar): Ditto.
18039 * print-tree.c (print_node): Print out interesting things for
18041 * tree-flow.h (struct subvar): Remove offset and size members.
18042 * tree-ssa-operands.c (get_expr_operands): Update for
18043 get_indirect_ref_operands changes.
18044 (get_indirect_ref_operands): Call add_virtual_operand instead of
18045 add_stmt_operand. Only recurse on base var if requested.
18046 (access_can_touch_variable): New function.
18047 (add_stmt_operand): Split virtual operand handling into ...
18048 (add_virtual_operand): Here. Add offset, size, and for_clobber
18049 arguments. Prune alias sets.
18050 (add_call_clobber_ops): Call add_virtual_operand.
18052 2006-02-15 Jakub Jelinek <jakub@redhat.com>
18054 PR middle-end/26300
18055 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18057 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18058 than TREE_CODE as index into omp_clause_num_ops array.
18060 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
18062 PR rtl-optimization/26184
18063 * modulo-sched.c (generate_reg_moves): Free bitmap vector
18065 * modulo-sched.c (sms_schedule): Free g_arr pointer.
18066 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18067 must_precede, must_follow and tobe_scheduled.
18070 * opts.c (common_handle_option): Free new_option pointer.
18071 * df-core.c (df_analyze): Free postorder pointer.
18073 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18075 * Makefile.in: Fix the examples about the use of stamps
18077 2006-02-15 Michael Matz <matz@suse.de>
18079 PR middle-end/22275
18081 * stor-layout.c (layout_decl): Zero-width bitfields aren't
18082 influenced by maximum_field_alignment or DECL_PACKED.
18083 (update_alignment_for_field): Ditto.
18084 (place_field): Ditto.
18085 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18088 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
18090 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
18091 (debug_flow_info): Pass it.
18092 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
18093 * bb-reorder.c (reorder_basic_blocks): Likewise.
18094 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
18095 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
18096 * flow.c (life_analysis, recompute_reg_usage): Likewise.
18097 * gcse.c (gcse_main, bypass_jumps): Likewise.
18098 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
18099 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
18100 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
18101 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
18102 * rtl.h (dump_flow_info): Adjust prototype.
18103 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
18104 * var-tracking.c (variable_tracking_main): Likewise.
18105 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
18106 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
18109 2006-02-15 Marcin Dalecki <martin@dalecki.de>
18111 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18114 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18116 PR tree-optimization/26209
18117 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
18118 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
18120 * tree-cfg.c (replace_uses_by): Do not alter cfg.
18122 2006-02-14 Roger Sayle <roger@eyesopen.com>
18124 PR middle-end/23670
18125 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
18126 (X,Y) and the corresponding symmetry related transformations.
18127 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
18128 (X,Y) and its symmetry related transformations.
18130 2006-02-14 Roger Sayle <roger@eyesopen.com>
18132 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
18135 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
18137 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18139 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18142 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
18143 support COMDAT group.
18144 * configure: Regenerate.
18146 2006-02-14 Roger Sayle <roger@eyesopen.com>
18148 PR middle-end/26279
18149 PR middle-end/26280
18150 PR middle-end/26283
18151 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
18153 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
18155 Fix PR tree-optimization/26260
18157 * doc/invoke.texi (max-fields-for-field-sensitive): Document
18159 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
18160 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
18161 * tree-ssa-structalias.c (create_variable_info_for): Use
18162 MAX_FIELDS_FOR_FIELD_SENSITIVE.
18164 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18166 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
18168 * tree-ssa-loop-niter.c (number_of_iterations_ne,
18169 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
18170 of the ending condition.
18171 * tree-ssa-loop-manip.c: Include params.h.
18172 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
18173 tree_unroll_loop): New functions.
18174 * tree-pass.h (pass_loop_prefetch): Declare.
18175 * loop.c (rest_of_handle_loop_optimize): Test for
18176 -fprefetch-loop-arrays-rtl.
18177 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
18178 * timevar.def (TV_TREE_PREFETCH): New timevar.
18179 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
18180 pass_loop_prefetch): New.
18181 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
18182 (cleanup_tree_cfg_loop): Call scev_reset.
18183 * common.opt (fprefetch-loop-arrays-rtl): Add.
18184 * tree-ssa-loop-prefetch.c: New file.
18185 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
18186 (new_temp_expr_table): Initialize expr_vars.
18187 (free_temp_expr_table): Cleanup expr_vars.
18188 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
18189 expressions from being merged into one.
18190 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
18191 (struct tree_niter_desc): Add control, bound and cmp fields.
18192 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
18194 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
18195 (tree-cfgcleanup.o): Add SCEV_H dependency.
18196 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
18197 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
18199 2006-02-14 Richard Guenther <rguenther@suse.de>
18201 PR tree-optimization/26258
18202 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
18203 in PHI argument processing.
18205 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
18207 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
18208 new expression in the requested machine mode.
18210 2006-02-13 Roger Sayle <roger@eyesopen.com>
18212 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
18213 directly, instead let do_compare_rtx_and_jump handle this for us.
18214 * expr.c (expand_expr_real_1): Likewise.
18215 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
18216 before do_jump_by_parts_greater.
18217 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
18218 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
18220 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18222 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
18224 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18226 PR rtl-optimization/26235
18227 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
18228 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
18231 2006-02-13 Jeff Law <law@redhat.com>
18233 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18236 2006-02-13 Jakub Jelinek <jakub@redhat.com>
18238 PR middle-end/26092
18239 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18240 twice if decl is a builtin. When trying again, call get_callee_fndecl
18241 first to verify it is still a builtin.
18243 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18245 * dwarf2out.c (base_type_die): Don't add AT_name here.
18246 (subrange_type_die): Don't add AT_name here.
18247 (modified_type_die): Rearrange code flow. Do add AT_name here.
18249 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18251 PR rtl-optimization/26247
18252 PR rtl-optimization/26248
18253 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18255 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18257 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18258 * config/fixtfdi.c: Likewise.
18259 * config/fixunstfdi.c: Likewise.
18260 * config/floatditf.c: Likewise.
18262 2006-02-13 Roger Sayle <roger@eyesopen.com>
18264 PR middle-end/24427
18265 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18266 into (X,C2) if C1 is a subset of the bits of C2. Transform
18267 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18269 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18271 2006-02-13 Josh Conner <jconner@apple.com>
18274 * varasm.c (function_section): Check for section name before
18275 calling select_section on targets that define
18276 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18277 unlikely_text_section instead of hot_function_section if
18278 first_function_block_is_cold.
18280 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18282 PR middle-end/25335
18283 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18285 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18287 PR rtl-optimization/26222
18288 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18289 after tree->rtl expansion.
18290 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18291 before passing it to emit_move_insn.
18293 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18295 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18297 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18298 Clarify documentation.
18299 * c-common.h (warn_write_strings): Remove.
18300 * c-common.c (warn_write_strings): Likewise.
18301 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18304 2006-02-12 Roger Sayle <roger@eyesopen.com>
18306 PR middle-end/25724
18307 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18308 (do_jump_parts_zero_rtx): New function renamed from
18309 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18310 (do_jump_parts_equality_rtx): New function split out from
18311 do_jump_parts_equality. Old implementation renamed as above.
18312 Call do_jump_parts_zero_rtx if either operand is zero.
18313 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18314 do all of the heavy lifting.
18315 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18316 calling either do_jump_by_parts_greater_rtx or
18317 do_jump_by_parts_equality_rtx.
18318 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18319 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18320 moved to do_compare_rtx_and_jump, call it directly.
18321 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18322 mode argument. Call do_compare_rtx_and_jump.
18323 (emit_case_nodes): Update calls to do_jump_if_equal.
18325 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18327 PR rtl-optimization/26225
18328 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18330 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18332 PR rtl-optimization/26232
18333 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18335 2006-02-11 Jason Merrill <jason@redhat.com>
18338 * tree-inline.c (declare_return_variable): Just don't use the
18339 modify target if it's a gimple complex reg and the return slot
18342 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18344 * doc/contrib.texi: Update my entry.
18346 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18348 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18350 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18352 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18355 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18357 * doc/invoke.texi (-floop-optimize2): Removed.
18358 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18359 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18360 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18361 * common.opt (floop-optimize2): Removed.
18362 (fmove-loop-invariants): Enabled by default.
18364 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18366 * tree-if-conv.c (combine_blocks): Free the result of
18367 get_loop_exit_edges.
18369 2006-02-10 Jeff Law <law@redhat.com>
18371 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18373 PR tree-optimization/26213
18374 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18375 loop trying to follow SSA_NAME_VALUE chains.
18377 2006-02-10 Richard Guenther <rguenther@suse.de>
18379 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18380 deal with structures that end in implicitly variable sized arrays.
18382 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18384 PR rtl-optimization/24762
18385 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18388 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18390 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18391 (struct ivopts_data): Add regs_used field.
18392 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18393 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18394 instead of loop_data->regs_used;
18395 (free_loop_data): Do not free aux fields for loops.
18396 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18397 and tree_ssa_iv_optimize_finalize.
18399 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18401 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18403 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18406 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18407 computing the effective result type.
18409 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18411 PR inline-asm/16194
18412 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18413 (tree_overlaps_hard_reg_set): Declare.
18414 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18415 type and signature to match function type expected by walk_tree.
18416 (tree_overlaps_hard_reg_set): New function.
18417 (decl_conflicts_with_clobbers_p): Rename to:
18418 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18419 Use tree_overlaps_hard_reg_set. Changed caller.
18420 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18421 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18422 * cris.c (cris_md_asm_clobbers): Likewise.
18424 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18426 * reload1.c (emit_input_reload_insns): Delete code that tries to
18427 inherit using find_equiv_reg.
18429 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18431 * c-common.h (flag_const_strings): Don't declare.
18432 * c-common.c (flag_const_strings): Remove.
18433 * c.opt (fconst_strings): Remove.
18434 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18435 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18436 (c_common_init_options): Don't set flag_const_strings.
18437 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18439 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18441 * arm.md (tlobits_cbranch): New pattern.
18442 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18443 testing a single bit.
18445 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18448 * tree-ssa-pre.c (create_component_ref_by_pieces):
18449 Handle RETURN_DECL like VAR_DECL.
18451 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18453 PR middle-end/26134
18454 * fold-const.c (fold_indirect_ref_1): Fold
18455 "*(foo *)&complexfoo" to "__real__ complexfoo"
18456 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
18458 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18460 * tree-flow-inline.h (var_can_have_subvars):
18461 Volatile variables should not have subvariables.
18463 2006-02-09 Diego Novillo <dnovillo@redhat.com>
18466 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18467 multiplying unsigned values.
18470 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
18472 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
18474 2006-02-08 Jason Merrill <jason@redhat.com>
18477 * tree.def: Elaborate on difference from MODIFY_EXPR.
18478 * doc/c-tree.texi (INIT_EXPR): Likewise.
18479 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
18480 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
18481 (gimplify_target_expr): Likewise.
18482 (gimplify_cond_expr): Remove target handling.
18483 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
18484 (gimplify_expr): Clobber it here.
18485 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
18486 Do return slot optimization if we have an INIT_EXPR.
18489 * tree-inline.c (declare_return_variable): Also clear
18490 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
18493 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
18495 PR middle-end/22439
18496 * gimplify.c (gimplify_one_sizepos): Fix typo.
18498 2006-02-08 Jeff Law <law@redhat.com>
18500 PR tree-optimization/21417
18501 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
18502 across a backedge if the control statement at the end of the
18503 block is data dependent on other statements in the same block.
18504 (record_temporary_equivalences_from_stmts): Remove over-conservative
18505 test for threading across backedges.
18507 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
18508 control statement, handle all three special cases in the same
18509 manner as they all have the same desired solution. No longer
18510 special case edge flag updating when the post dominator is
18513 2006-02-08 Roger Sayle <roger@eyesopen.com>
18515 * tree.def (CHAR_TYPE): Remove.
18516 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
18517 * dwarf2out.c (base_type_die, is_base_type): Likewise.
18518 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
18519 (gen_string_type_die): Delete unreachable function.
18521 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
18522 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
18523 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
18524 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
18525 * builtins.c (type_to_class): Likewise.
18526 * fold-const.c (fold_convert, build_range_check,
18527 merge_ranges): Likewise.
18528 * expr.c (count_type_elements): Likewise.
18529 * c-pretty-print.c (pp_c_type_specifier): Likewise.
18530 * stor-layout.c (layout_type): Likewise.
18531 * ipa-type-escape.c (type_to_consider): Likewise.
18532 * gimplify.c (omp_firstprivatize_type_sizes,
18533 gimplify_type_sizes): Likewise.
18534 * explow.c (promote_mode): Likewise.
18535 * tree-sra.c (is_sra_scalar_type): Likewise.
18536 * varasm.c (output_constant): Likewise.
18537 * tree-inline.c (remap_type_1): Likewise.
18538 * convert.c (convert_to_pointer, convert_to_real,
18539 convert_to_integer, convert_to_complex): Likewise.
18541 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
18543 * df-scan.c (df_def_record_1): A set destination may
18544 be a parallel regardless of mode.
18546 2006-02-08 Roger Sayle <roger@eyesopen.com>
18549 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
18550 * config/mips/_tilib.c: Remove.
18551 * config/fixtfdi.c: New libgcc source file.
18552 * config/fixunstfdi.c: New source file.
18553 * config/floatditf.c: New source file.
18554 * config/floatunditf.c: New souce file.
18555 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
18556 files above instead of config/mips/_tilib.c.
18557 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
18559 2006-02-08 Jeff Law <law@redhat.com>
18561 PR tree-optimization/26169
18562 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
18565 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
18567 * df.h (DF_REG_SIZE): Return the length of the initialized
18570 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
18572 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
18573 __muldf3): Return a correctly signed zero.
18575 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
18577 * passes.c (register_one_dump_file): Accept the current properties
18578 instead of pass number. Adjust call to dump_register. Remove
18580 (register_dump_files): Now a wrapper around...
18581 (register_dump_files_1): ... this one. Do not modify the pass
18583 (next_pass_1): Cosmetic fix.
18584 (execute_todo): Keep second parameter only. Use curr_properties
18585 instead of fetching it from the pass structure. Check and set
18587 (execute_one_pass): Handle TODO_set_props. Use curr_properties
18588 instead of fetching it from the pass structure. Fix calls to
18589 execute_todo. Update curr_properties and initialize .vcg RTL dump
18590 after running the pass. Reset last_verified.
18591 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
18593 (FIRST_AUTO_NUMBERED_DUMP): New.
18594 (dump_register): Remove "num" parameter, assign it within the
18596 (get_dump_file_name): Modify template for dumps.
18597 * tree-dump.h (dump_register): Adjust prototype.
18598 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
18599 (PROP_trees): Add PROP_gimple_lomp.
18600 (TODO_set_props): New.
18601 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
18602 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
18603 * cfgexpand.c (pass_expand): Destroy PROP_trees.
18605 2006-02-08 Jakub Jelinek <jakub@redhat.com>
18607 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
18608 (sparc64-*-linux*): Likewise.
18609 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
18610 * config/sparc/t-linux: New file.
18611 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
18612 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
18613 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
18614 -m32 -mlong-double-128.
18616 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
18617 * config/alpha/t-linux: New file.
18618 * config/alpha/libgcc-alpha-ldbl.ver: New file.
18620 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
18621 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
18622 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
18623 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
18624 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
18625 (CPP_ARCH32_SPEC): Remove.
18627 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
18629 PR tree-optimization/26145
18630 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
18633 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18636 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
18637 >= 240000 when generating code for SOM runtime.
18638 (output_indirect_call): Don't use "b,l" instruction for indirect calls
18639 to $$dyncall when generating code for SOM runtime..
18641 2006-02-07 Dirk Mueller <dmueller@suse.com>
18644 * doc/invoke.texi (-Wsequence-point): Update documentation
18645 that -Wsequence-point is implemented for C++ as well.
18647 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18649 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
18650 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
18651 (LIB_SPEC): Likewise.
18652 * doc/invoke.texi (SPARC options): Document -pthread.
18654 2006-02-07 Geoffrey Keating <geoffk@apple.com>
18656 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
18659 2006-02-07 Roger Sayle <roger@eyesopen.com>
18661 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
18662 Correct comment describing BOOLEAN_TYPE.
18664 2006-02-07 Dirk Mueller <dmueller@suse.com>
18666 * c.opt: C++ frontend supports -Wdiv-by-zero.
18667 * c-opts.c (c_common_handle_option): Remove dead case.
18669 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18671 * configure.ac (TLS assembler check): Do not enable TLS by
18672 default on SPARC/Solaris before version 10.
18673 * configure: Regenerate.
18675 2006-02-07 David Edelsohn <edelsohn@gnu.org>
18677 * doc/invoke.texi (xl-compat): Document conversion and support
18680 2006-02-07 Jeff Law <law@redhat.com>
18682 * tree-vrp.c (find_conditional_asserts): Update comments.
18683 (simplify_stmt_for_jump_threading): New.
18684 (identify_jump_threads, finalize_jump_threads): New.
18685 (vrp_finalize): Call identify_jump_threads.
18686 (execute_vrp): Call finalize_jump_threads.
18687 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
18688 (vrp_element, vrp_data, vrp_element_p): Remove.
18689 (vrp_hash_elt, vrp_variables_stack): Remove.
18690 (vrp_hash, vrp_eq, record_range): Remove.
18691 (simplify_cond_and_lookup_avail_expr): Remove.
18692 (extract_range_from_cond): Remove.
18693 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
18694 (simplify_stmt_for_jump_threading): New.
18695 (dom_thread_across_edge): New wrapper.
18696 (tree_ssa_dominator_optimize): No longer initialize or
18697 finalize any of the VRP datastructures. Remove iteration
18698 step and simplify as a result of removal of iteration step.
18699 (pass_dominator): Perform a cfg cleanup after DOM.
18700 (dom_opt_finalize_block): Use the new common routines
18701 for threading jumps. Simplify stack management slightly.
18702 No longer need to unwind VRP state.
18703 (record_equivalences_from_incoming_edge): No longer record
18705 (eliminate_redundant_computations): No longer call
18706 simplify_cond_and_lookup_avail_expr.
18707 * tree-flow.h (potentially_threadable_block): Prototype.
18708 (thread_across_edge): Likewise.
18709 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
18710 (tree-ssa-threadedge.o): Add dependencies.
18711 * tree-ssa-threadedge.c: New file.
18712 * passes.c (init_optimization_passes): Merge PHIs before
18713 calling VRP. Run VRP again late in the SSA optimization pipeline.
18715 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18717 * df-core.c (df_set_blocks): Do not dereference function pointers.
18718 (df_finish1): Likewise.
18719 (df_hybrid_search_forward): Likewise.
18720 (df_hybrid_search_backward): Likewise.
18721 (df_iterative_dataflow): Likewise.
18722 (df_analyze_problem): Likewise.
18723 (df_compact_blocks): Likewise.
18724 (df_dump): Likewise.
18725 * df-scan.c (df_rescan_blocks): Likewise.
18726 (df_record_entry_block_defs): Likewise.
18728 * genconditions.c (write_conditions): Guard the definition of
18729 'insn_conditions' with the check on GCC version.
18730 (write_writer): Guard the traversal 'insn_conditions' with
18731 the check on GCC version.
18733 2006-02-07 Richard Guenther <rguenther@suse.de>
18737 2006-01-30 Richard Guenther <rguenther@suse.de>
18739 * gimplify.c (gimplify_target_expr): Handle easy cases
18740 without creating a temporary.
18742 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
18744 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
18745 use of float in probability computations. Use edge probabilities
18746 in place of statically computed probabilities.
18747 (min_spec_prob): New static variable.
18748 (schedule_insns): Initialize it.
18749 (GET_SRC_PROB): Removed.
18750 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
18752 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
18755 * config/ia64/unwind-ia64.c: Revert last change.
18756 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
18757 (INCOMING_FRAME_SP_OFFSET): Define.
18759 2006-02-06 Roger Sayle <roger@eyesopen.com>
18761 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
18763 2006-02-07 Ben Elliston <bje@au.ibm.com>
18765 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
18766 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
18767 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
18768 (ix86_return_in_memory): Handle TDmode.
18769 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
18770 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
18772 2006-02-06 Richard Sandiford <richard@codesourcery.com>
18774 * reorg.c (dbr_schedule): Use dump_file instead of file.
18776 2006-02-06 Steve Ellcey <sje@cup.hp.com>
18779 * config/ia64/predicates.md (extr_len_operand): New predicate.
18780 * config/ia64/ia64.md (extv): Tighten constraints.
18782 (*tbit_and_2): Ditto.
18783 (*tbit_and_3): Ditto.
18784 (*tbit_or_2): Ditto.
18785 (*tbit_or_3): Ditto.
18786 (*bit_zero): Ditto.
18789 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
18792 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
18794 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
18796 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
18797 loop_optimizer_init and loop_optimizer_finalize
18798 * tree-ssa-sink.c (execute_sink_code): Ditto.
18799 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
18800 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
18801 tree_ssa_loop_done): Ditto.
18802 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
18803 * sched-ebb.c: Include output.h.
18804 (schedule_ebbs): Do not use dump argument.
18805 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
18806 * loop.c (loop_dump_stream): Removed.
18807 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
18809 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
18810 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
18811 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
18812 loop_iterations, strength_reduce, record_biv, record_giv,
18813 final_giv_value, check_final_value, check_ext_dependent_givs,
18814 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
18815 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
18816 dump_file instead of loop_dump_stream.
18817 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
18818 argument dump_file.
18819 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
18821 * flow.c (life_analysis, rest_of_handle_life): Ditto.
18822 * haifa-sched.c: Include output.h
18823 (schedule_insns, sched_init): Do not use dump argument.
18824 * mode-switching.c (optimize_mode_switching): Ditto.
18825 * modulo-sched.c (stats_file): Removed.
18826 (print_node_sched_params): Do not call argument dump_file.
18827 (sms_schedule_by_order, loop_canon_p, sms_schedule,
18828 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
18830 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
18832 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
18833 rtl_loop_init, rtl_loop_done): Ditto.
18834 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
18835 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
18837 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
18838 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
18839 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
18840 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
18841 * emit-rtl.c (renumber_insns): Ditto.
18842 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
18843 expand_gimple_basic_block, tree_expand_cfg): Ditto.
18844 * regclass.c (regclass): Ditto.
18845 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
18846 remove_ssa_form, rewrite_out_of_ssa): Ditto.
18847 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
18848 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
18850 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
18851 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
18853 * gcse.c (gcse_file, debug_stderr): Removed.
18854 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
18855 rest_of_handle_gcse): Do not use dump argument.
18856 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
18857 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
18858 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
18859 compute_code_hoist_vbeinout, compute_code_hoist_data,
18860 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
18861 compute_store_table, build_store_vectors, insert_insn_start_bb,
18862 insert_store, remove_reachable_equiv_notes, replace_store_insn,
18863 store_motion): Use dump_file instead of gcse_file.
18864 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
18865 * profile.c (profile_dump_file): Removed.
18866 (branch_prob): Use dump_file instead of profile_dump_file.
18867 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
18869 * tree-ssa-copy.c (dump_copy_of): Ditto.
18870 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
18871 dump file to life_analysis.
18872 * bt-load.c (branch_target_load_optimize): Ditto.
18873 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
18875 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
18876 regclass, dbr_schedule): Declaration changed.
18877 * sched-int.h (sched_init): Declaration changed.
18878 * tree-profile.c (tree_profile_dump_file): Removed.
18879 (tree_profile_hooks): Removed profile_dump_file hook.
18880 * rtl-profile (rtl_profile_dump_file): Removed.
18881 (rtl_profile_hooks): emoved profile_dump_file hook.
18882 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
18884 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
18885 * tree-cfg.c (build_tree_cfg): Ditto.
18886 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
18887 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
18888 Declaration changed.
18889 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
18890 life_analysis and schedule_insns.
18891 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
18893 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
18895 * config/mips/mips.c (mips_reorg): Ditto.
18896 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
18899 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
18901 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18902 (s390_mangle_fundamental_type): New.
18903 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18906 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18907 (alpha_mangle_fundamental_type): New.
18908 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18911 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18913 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18915 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18916 (sparc_mangle_fundamental_type): New.
18918 2006-02-06 Jakub Jelinek <jakub@redhat.com>
18920 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
18921 (s390x-*-linux*): Likewise.
18922 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
18923 * config/s390/t-linux: New file.
18925 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18927 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
18928 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
18930 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
18932 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
18933 (ANTIC_SAFE_LOADS): New macro.
18934 (find_or_generate_expression): Add prototype.
18935 (set_contains_value): Allow null set for sake of not always having
18936 to allocate ANTIC_SAFE_LOADS.
18937 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
18938 Allow COMPONENT_REF too.
18939 (valid_in_set): Allow COMPONENT_REF.
18940 Check ANTIC_SAFE_LOADS too.
18941 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
18942 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
18944 (can_PRE_operation): Add COMPONENT_REF.
18945 (create_component_ref_by_pieces): New function.
18946 (create_expression_by_pieces): Use create_component_ref_by_pieces.
18947 (insert_aux): Move AGGREGATE_TYPE_P check here.
18948 (compute_avail): Set bb local stmt uids.
18949 (pass_pre): Use TODO_update_ssa_only_virtuals.
18951 2006-02-06 Ben Elliston <bje@au.ibm.com>
18953 * configure.ac: Unconditionally disable decimal float by default.
18954 * configure: Regenerate.
18956 2006-02-06 Ben Elliston <bje@au.ibm.com>
18958 * read-rtl.c (read_name): Terminate reading on EOF.
18960 2006-02-06 Ben Elliston <bje@au.ibm.com>
18962 * dfp.c (decimal_real_arithmetic): Change second argument type
18963 from int to enum tree_code. Do not always return true, but now
18964 return result of any call to decimal_do helper functions.
18965 * dfp.h (decimal_real_arithmetic): Update prototype.
18967 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
18969 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
18971 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
18974 * tree-cfg.c (cleanup_dead_labels): Also don't remove
18977 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18979 * tree-vrp.c (cfg_loops): Removed.
18980 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
18981 Use current_loops instead of cfg_loops. Pass flags to
18982 loop_optimizer_init.
18983 * cfgloopmanip.c (fix_loop_structure): Update only available
18985 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
18986 loop_optimizer_init.
18987 * modulo-sched.c (build_loops_structure): Removed.
18988 (sms_schedule): Use loop_optimizer_init.
18989 * loop-init.c (loop_optimizer_init): Use flags to determine
18990 which properties of loops to prepare.
18991 (rtl_loop_init): Pass flags to loop_optimizer_init.
18992 * tree-ssa-sink.c (execute_sink_code): Ditto.
18993 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
18994 * tree-ssa-pre.c (init_pre): Ditto.
18995 * cfgloop.h (LOOPS_NORMAL): New.
18996 (loop_optimizer_init): Declaration changed.
18998 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19000 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19001 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19003 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19005 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19007 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19008 * pa/t-pa64: Delete quadlib.c rule.
19009 * pa/x-ada: Revert last change.
19010 * pa/t-pa: Revert last change. Delete quadlib.c rule.
19012 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19014 PR rtl-optimization/26087
19015 * rtlanal.c (canonicalize_condition): Do not cross basic block
19018 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
19021 * config/ia64/ia64.c: Include debug.h.
19022 (MAX_ARTIFICIAL_LABEL_BYTES): New.
19023 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19024 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19025 (process_epilogue, process_set, process_for_unwind_directive):
19026 Output unwind info only if requested. Add CFA info if requested.
19027 Add new arguments as needed. Adjust callers.
19028 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19030 (DWARF2_FRAME_INFO): Define to zero.
19031 * config/ia64/unwind-ia64.c: Remove code that compensated for
19032 the CFA offset error fixed above.
19033 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19034 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19035 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19036 -funwind-tables and -fexceptions to enable frame info.
19037 (dwarf2out_frame_init): Define initial CFA even if
19038 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
19039 DWARF2_UNWIND_INFO is nonzero, not just defined.
19040 (dwarf2out_frame_finish): Output non-EH call frame info only
19041 if DWARF2_FRAME_INFO is nonzero.
19042 (convert_cfa_to_loc_list,
19043 compute_frame_pointer_to_cfa_displacement): Define even if
19044 unwind info is not supported.
19045 (gen_subprogram_die): Use the above unconditionally. Remove
19046 legacy alternate code.
19047 * toplev.c (compile_file): Compile in call to
19048 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19049 (lang_dependent_init): Ditto for dwarf2out_frame_init.
19051 2006-02-04 David Edelsohn <edelsohn@gnu.org>
19052 Jakub Jelinek <jakub@redhat.com>
19054 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19055 IBM extended float format long double as "g" on powerpc*-linux.
19057 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19060 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19061 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19063 2006-02-03 Jason Merrill <jason@redhat.com>
19066 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19068 PR middle-end/25977
19069 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19070 on the return slot if it's an NRV.
19072 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
19074 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19075 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19076 rewrite_use): Do not handle USE_OUTER.
19077 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19078 add_iv_outer_candidates, may_replace_final_value,
19079 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19080 (find_interesting_uses_op): Functionality of
19081 find_interesting_uses_outer_or_nonlin moved here.
19082 (find_interesting_uses_outside): Use find_interesting_uses_op.
19084 2006-02-03 Alan Modra <amodra@bigpond.net.au>
19087 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
19089 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
19090 Ulrich Weigand <uweigand@de.ibm.com>
19093 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
19094 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
19095 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
19096 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
19098 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
19099 (s390_rtx_costs): Use the new fields to calculate rtx costs.
19100 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
19101 Define secondary reloads for TFmode moves.
19102 (constant_modes): Add TFmode.
19103 (NR_C_MODES): Set to 8.
19104 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
19106 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
19107 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
19108 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
19109 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
19110 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
19111 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
19112 (FPR mode macro): Add TFmode.
19113 (DSF mode macro): New.
19114 (<de>, <dee> mode attributes): Removed.
19115 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
19116 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
19117 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
19118 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
19119 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
19120 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
19121 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
19122 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
19123 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
19124 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
19125 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
19126 "*negabs<mode>2", "sqrt<mode>2"):
19127 Changed <de> to <xde>. R constraint replaced by <Rf>.
19128 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
19130 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
19131 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
19132 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
19134 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
19135 "extenddftf2", "extendsftf2"): New expanders.
19136 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
19137 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
19138 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
19139 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
19141 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
19142 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
19143 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
19144 __floatditf): Add a GCC_4.1.0 symbol version tag.
19145 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
19148 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
19151 * config/i386/i386.c (ix86_function_ok_for_sibcall):
19152 Use targetm.binds_local_p instead of TREE_PUBLIC.
19154 2006-02-02 Roger Sayle <roger@eyesopen.com>
19156 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
19157 on INTEGER_TYPEs to indicate that it denotes a character type.
19158 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
19159 signed_char_type_node, unsigned_char_type_node and char_type_node.
19160 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
19161 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
19162 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
19164 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
19165 Daniel Berlin <dberlin@dberlin.org>
19167 * tree-tailcall.c (arg_needs_copy_p): New function.
19168 (eliminate_tail_call): Use arg_needs_copy_p.
19169 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
19170 (add_virtual_phis): New function.
19172 2006-02-02 Jakub Jelinek <jakub@redhat.com>
19174 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
19175 #ignore instead of #scratch for %g7 .register directive.
19177 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
19179 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
19182 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19184 * flow.c (calculate_global_regs_live): Assert that there aren't any
19187 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
19189 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
19190 what its name says.
19191 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
19192 bsi_after_labels iterator.
19193 * tree-if-conv.c (find_phi_replacement_condition,
19194 replace_phi_with_cond_modify_expr): Likewise.
19195 * tree-scalar-evolution.c (scev_const_prop): Likewise.
19196 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
19198 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19200 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
19202 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19205 * tree-cfg.c (move_block_to_fn): Clear out the basic block
19206 array after growing it.
19208 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19210 PR middle-end/24901
19211 * fold-const.c (fold_checksum_tree): Change type of buf.
19213 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
19215 * reload.c (push_secondary_reload): Initialize t_icode.
19217 2006-02-01 Jakub Jelinek <jakub@redhat.com>
19219 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
19220 -msoft-float -mlong-double-128 only issue a warning, but don't
19221 swich to DFmode long double.
19223 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
19225 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
19226 has a constant equivalent, iterate over equivalents for arg0,
19227 calling simplify_relational_operation and if there's a result
19228 cheaper than X, apply fold_rtx and return the result.
19230 2006-02-01 Jan Hubicka <jh@suse.cz>
19232 * opts.c (no_unit_at_a_time_default): New global variable.
19233 (decode_options): Use it.
19234 * opts.h (no_unit_at_a_time_default): Declare.
19236 2006-02-01 Paul Brook <paul@codesourcery.com>
19238 * function.c (assign_parm_setup_reg): Use function argument promotion
19240 * expr.c (expand_expr_real_1): Use function argument promotion rules
19243 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19245 * gcc.c (process_command): Change j to 'unsigned int'.
19247 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19249 PR middle-end/26001
19250 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19251 Use the corrected index for the character
19252 out of the string constant.
19254 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19256 * mode-switching.c (optimize_mode_switching): Fix size
19257 allocated for bb_info[n_entities].
19259 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19261 * gcc.c (main): Correct type that is allocated for
19262 explicit_link_files.
19264 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19266 * config/s390/s390.c (init_alignment_context): Set
19267 ALIAS_SET_MEMORY_BARRIER on the MEM.
19268 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19270 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19272 PR middle-end/25933
19273 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19275 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19278 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19280 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19281 * regrename.c: Ditto.
19282 * tree-ssa-loop-im.c: Ditto.
19283 * tree-dump.c: Ditto.
19284 * tree-complex.c: Ditto.
19285 * genrecog.c: Ditto.
19286 * tree-ssa-threadupdate.c: Ditto.
19288 * java/class.c: Ditto.
19289 * java/jcf-parse.c: Ditto.
19290 * java/resource.c: Ditto.
19291 * java/except.c: Ditto.
19292 * java/jvspec.c: Ditto.
19293 * java/jcf-write.c: Ditto.
19294 * java/jcf-path.c: Ditto.
19295 * java/gjavah.c: Ditto.
19296 * java/zextract.c: Ditto.
19297 * java/jcf-io.c: Ditto.
19298 * java/jcf.h: Ditto.
19299 * java/buffer.c: Ditto.
19300 * java/lang.c: Ditto.
19301 * java/parse-scan.y: Ditto.
19302 * java/lex.c: Ditto.
19303 * java/lex.h: Ditto.
19304 * cfgloopmanip.c: Ditto.
19305 * postreload-gcse.c: Ditto.
19306 * tree-ssa-loop-manip.c: Ditto.
19307 * postreload.c: Ditto.
19308 * tree-ssa-loop-ch.c: Ditto.
19311 * cppspec.c: Ditto.
19312 * diagnostic.c: Ditto.
19314 * genoutput.c: Ditto.
19316 * cfghooks.c: Ditto.
19317 * cfgloopanal.c: Ditto.
19318 * objc/objc-act.c: Ditto.
19320 * genextract.c: Ditto.
19321 * genautomata.c: Ditto.
19322 * pretty-print.c: Ditto.
19323 * genemit.c: Ditto.
19324 * cgraphunit.c: Ditto.
19326 * df-scan.c: Ditto.
19327 * haifa-sched.c: Ditto.
19328 * dominance.c: Ditto.
19330 * tree-ssa-loop-ivopts.c: Ditto.
19331 * df-core.c: Ditto.
19332 * mode-switching.c: Ditto.
19333 * modulo-sched.c: Ditto.
19335 * ipa-pure-const.c: Ditto.
19337 * fix-header.c: Ditto.
19339 * tree-stdarg.c: Ditto.
19340 * ipa-utils.c: Ditto.
19341 * loop-init.c: Ditto.
19342 * ipa-inline.c: Ditto.
19343 * cfganal.c: Ditto.
19345 * alloc-pool.c: Ditto.
19346 * dwarf2out.c: Ditto.
19348 * genattrtab.c: Ditto.
19349 * tree-ssa-loop-ivcanon.c: Ditto.
19350 * predict.c: Ditto.
19351 * timevar.c: Ditto.
19353 * fortran/gfortranspec.c: Ditto.
19354 * regmove.c: Ditto.
19355 * local-alloc.c: Ditto.
19356 * langhooks.c: Ditto.
19357 * function.c: Ditto.
19358 * tree-vectorizer.c: Ditto.
19360 * ipa-type-escape.c: Ditto.
19362 * tree-if-conv.c: Ditto.
19363 * profile.c: Ditto.
19365 * tree-data-ref.c: Ditto.
19366 * loop-unroll.c: Ditto.
19367 * treelang/treetree.c: Ditto.
19369 * bt-load.c: Ditto.
19370 * ggc-common.c: Ditto.
19372 * coverage.c: Ditto.
19374 * tree-cfgcleanup.c: Ditto.
19375 * tree-ssa-pre.c: Ditto.
19376 * cfgcleanup.c: Ditto.
19377 * loop-invariant.c: Ditto.
19378 * loop-iv.c: Ditto.
19379 * ipa-prop.c: Ditto.
19380 * print-tree.c: Ditto.
19381 * conflict.c: Ditto.
19382 * ggc-page.c: Ditto.
19383 * sched-deps.c: Ditto.
19384 * regclass.c: Ditto.
19385 * tree-object-size.c: Ditto.
19386 * combine.c: Ditto.
19387 * bb-reorder.c: Ditto.
19388 * resource.c: Ditto.
19389 * var-tracking.c: Ditto.
19390 * cfgloop.c: Ditto.
19391 * df-problems.c: Ditto.
19392 * reg-stack.c: Ditto.
19394 * gccspec.c: Ditto.
19395 * sched-rgn.c: Ditto.
19396 * tree-ssa-structalias.c: Ditto.
19397 * tree-ssa-reassoc.c: Ditto.
19398 * config/darwin-c.c: Ditto.
19399 * config/darwin.c: Ditto.
19400 * config/arm/arm.c: Ditto.
19402 * collect2.c: Ditto.
19403 * reload1.c: Ditto.
19405 2006-01-31 Nicolas Pitre <nico@cam.org>
19407 * arm.md (smaxsi3): Make aware of smax_m1.
19410 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19412 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19414 2006-01-31 Richard Guenther <rguenther@suse.de>
19416 * doc/invoke.texi (-msselibm): Document.
19417 * target.h (expand_library_builtin): New target hook.
19418 * builtins.c (expand_builtin): Use expand_library_builtin.
19419 (default_expand_library_builtin): New function.
19420 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19421 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19422 (link_gcc_math_spec): Declare.
19423 (static_specs): Add link_gcc_math_spec.
19424 * expr.h (default_expand_library_builtin): Declare.
19425 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19426 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19427 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19428 * config/i386/i386.opt (msselibm): New target option.
19429 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19430 (ix86_init_sse_abi_builtins): New function.
19431 (ix86_expand_library_builtin): Likewise.
19432 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19433 (override_options): Handle error conditions wrt -msselibm.
19434 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19435 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19436 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19439 2006-01-31 Richard Guenther <rguenther@suse.de>
19440 Paolo Bonzini <bonzini@gnu.org>
19442 * doc/install.texi (--disable-libgcc-math): Document.
19444 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19446 * expr.h (expand_normal): new inline function.
19447 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19448 * dojump.c: use it.
19449 * dwarf2out.c: use it.
19452 * expmed.c: use it.
19453 * except.c: use it.
19454 * config/sparc/sparc.c: use it.
19455 * config/i386/i386.c: use it.
19456 * config/rs6000/rs6000.c: use it.
19457 * config/arm/arm.c: use it.
19458 * config/mips/mips.c: use it.
19459 * stmt.c: use it, use EXPAND_NORMAL explicitely.
19461 2006-01-30 Roger Sayle <roger@eyesopen.com>
19463 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
19464 argv to the appropriate type.
19466 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
19468 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
19471 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
19474 * config/s390/s390.c (struct machine_function): New flag
19475 decomposed_literal_pool_addresses_ok_p.
19476 (s390_reorg): Set it before final stage of literal pool transforms.
19477 (s390_decompose_address): Only accept displacements of the form
19478 (minus (label_ref ...) (label_ref ...)) if that flag is set.
19480 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
19482 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
19483 the comparison routine return.
19485 2006-01-30 Michael Matz <matz@suse.de>
19487 * global.c (find_reg): Only evict for global regs.
19488 Take n_refs into account and dump more info.
19490 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
19493 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
19494 (pragma_trap, pragma_nosave_low_regs): Likewise.
19495 (current_function_anonymous_args): Likewise.
19496 (sh_deferred_function_attributes): New variable.
19497 (sh_deferred_function_attributes_tail): Likewise.
19498 (print_operand): For '@', look up trap_exit attribute.
19499 (calc_live_regs): Look up trapa_handler attribute. For trapa
19500 handlers, save/restore fpscr, but don't do any other
19501 interrupt-specific saves.
19502 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
19503 Fix check for partially saved registers to check for SHmedia.
19504 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
19505 (sh_output_function_epilogue): Don't clear any of the removed
19507 (sh_insert_attributes): Don't check pragma_interrupt.
19508 Insert deferred attributes. Check that interrupt attribute is
19509 present for other attributes that require its presence.
19510 (sh_attribute_table): Add new attributes trapa_handler and
19512 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
19513 Don't check for pragma_interrupt. Don't store argument.
19514 * sh.h (pragma_interrupt, sp_switch): Don't declare.
19515 (sh_deferred_function_attributes): Declare.
19516 (sh_deferred_function_attributes_tail): Likewise.
19517 * sh.md (sp_switch_1): Add operand. Change generator caller.
19518 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
19519 (*return_i): Don't use when trap_exit attribute is in effect.
19520 (*return_trapa): New insn pattern.
19521 * sh-c.c: New file.
19522 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
19523 setting c_target_objs and cxx_target_objs.
19524 * t-sh: Add rule for sh-c.o.
19526 2006-01-30 Richard Guenther <rguenther@suse.de>
19529 * gimplify.c (gimplify_target_expr): Handle easy cases
19530 without creating a temporary.
19532 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
19534 * vec.h (safe_grow): Remove duplicated line.
19536 2006-01-29 Diego Novillo <dnovillo@redhat.com>
19539 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
19540 (expand_omp): ... here.
19541 (expand_omp_parallel): Only remove barriers for combined
19542 parallel+workshare constructs.
19544 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
19548 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
19549 * tree.c (build_qualified_type): Chain the new type to the original
19550 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
19551 a POINTER_TYPE or a REFERENCE_TYPE respectively.
19552 (build_pointer_type_for_mode): Only return unqualified types.
19553 (build_reference_type_for_mode): Likewise.
19555 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
19557 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
19558 * Makefile.in (CXX_COMPAT_WARN): Define.
19559 * configure: Regenerate.
19561 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
19564 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
19567 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19569 * toplev.c: Fix thinko.
19571 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19572 Marcin Dalecki <martin@dalecki.de>
19574 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
19575 (push_srcloc): Use XNEW.
19576 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
19578 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
19580 * df-core.c (df_set_blocks): Deleted all variable.
19582 2006-01-28 Ian Lance Taylor <ian@airs.com>
19584 * cgraphunit.c (cgraph_assemble_pending_functions): Call
19585 cgraph_output_pending_asms.
19587 2006-01-28 Zack Weinberg <zackw@panix.com>
19589 * c.opt: Add -W(no-)overlength-strings.
19590 * doc/invoke.texi: Document it.
19591 * c-opts.c (c_common_handle_option): -pedantic implies
19592 -Woverlength-strings, if not explicitly disabled already.
19593 (c_common_post_options): -Woverlength-strings defaults to off, and
19594 is always off for C++.
19595 * c-common.c (fix_string_type): Issue warning about strings longer
19596 than is portable only if warn_overlength_strings. Rearrange code
19597 a little for clarity.
19598 * configure.in: Check for -Wno-overlength-strings as well before
19599 enabling -pedantic in stage 1.
19600 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
19601 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
19603 * genconditions.c (write_header, write_one_condition)
19604 (write_conditions, write_writer): Consolidate very long strings
19605 that were broken up to fit in C89 portable limit. Don't use
19606 printf when fputs will do.
19608 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
19610 * combine.c (simplify_comparison <AND>): Check
19611 TRULY_NOOP_TRUNCATION before start using a subreg.
19613 * config/mips/mips.md (*branch_zero<mode>,
19614 *branch_zero<mode>_inverted, *branch_equality<mode>,
19615 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
19616 Remove mode check from comparisons.
19618 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
19620 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
19622 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19624 * expmed.c (const_mult_add_overflow_p): Remove.
19625 * expr.h: Remove the prototype for const_mult_add_overflow_p.
19627 * recog.c (validate_replace_rtx_subexp): Remove.
19628 * recog.h: Remove the prototype for
19629 validate_replace_rtx_subexp.
19631 * integrate.h: Remove the prototype for
19632 copy_decl_for_inlining.
19633 * rtl.h: Remove the prototype for mark_constant_function.
19634 * tree-vectorizer.h: Remove the prototype for
19635 vect_strip_conversion.
19637 * modulo-sched.c (create_partial_schedule,
19638 free_partial_schedule, reset_partial_schedule): Make them
19641 * hooks.c (hook_bool_rtx_int_false): Remove.
19642 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
19644 2006-01-28 David Edelsohn <edelsohn@gnu.org>
19646 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19647 and -mlong-double-128 are incompatible.
19648 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
19649 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
19650 (TARGET_LIBGCC2_CFLAGS): Define.
19651 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
19652 (TARGET_LIBGCC2_CFLAGS): Same.
19653 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
19655 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19658 * c-typeck.c (build_binary_op): Perform implicit casts of
19659 operands before shortening them.
19661 * cfgloopmanip.c (split_loop_bb): Remove.
19662 * cfgloop.h: Remove the prototype for split_loop_bb.
19664 * cfgloop.c (flow_loop_outside_edge_p): Remove.
19665 * cfgloop.h: Remove the prototype for
19666 flow_loop_outside_edge_p.
19668 * emit-rtl.c (init_virtual_regs): Make it static.
19669 * function.h: Remove the prototype for init_virtual_regs.
19671 * recog.c (peephole2_optimize): Make it static.
19672 * recog.h: Remove the prototype for peephole2_optimize.
19674 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19676 * df-scan.c (df_record_entry_block_defs): Check if
19677 INCOMING_RETURN_ADDR_RTX is defined.
19679 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
19680 Kenneth Zadeck <zadeck@naturalbridge.com>
19682 PR rtl-optimization/24762
19683 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19684 * targhooks.c (hook_void_bitmap): New hook prototype.
19685 * targhoohs.h (hook_void_bitmap): Ditto.
19686 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
19687 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
19688 * target.h (live_on_entry): New function pointer.
19689 * df-scan.c (df_all_hard_regs): Removed.
19690 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
19691 (df_scan_free_internal): Added df->entry_block_defs.
19692 (df_scan_alloc): Ditto.
19693 (df_scan_dump): Ditto.
19694 (df_uses_record): Plumbed flag field properly thru calls.
19695 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
19696 This part fixes PR24762.
19697 (df_bb_refs_record): Added code to make the frame and arg
19698 pointers live in EH blocks.
19699 (df_refs_record): Added call to df_record_entry_block_defs.
19700 (df_record_entry_block_defs): New function.
19701 * df-core.c: Added comments to describe new artifical defs.
19702 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
19703 (entry_block_defs): New field in struct df.
19704 (df_all_hard_regs): Deleted.
19705 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19706 * df-problems.c (df_ru_bb_local_compute_process_def):
19707 Added code to handle artifical defs in the entry to a function.
19708 (df_ru_bb_local_compute): Ditto.
19709 (df_rd_bb_local_compute_process_def): Ditto.
19710 (df_rd_bb_local_compute): Ditto.
19711 (df_lr_bb_local_compute): Ditto.
19712 (df_ur_bb_local_compute): Ditto.
19713 (df_urec_bb_local_compute): Ditto.
19714 (df_chain_create_bb): Ditto.
19715 (df_ur_local_finalize): Removed entry.
19716 (df_urec_init): Ditto.
19717 (df_urec_local_finalize): Ditto.
19718 (df_ri_bb_compute): Added detection of last use of pseudos.
19719 * Makefile.in (df-scan.o): Updated dependencies.
19720 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
19721 * config/mips/mips.c (mips_set_live_on_entry): Added.
19722 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
19724 * dce.c (marked_insn_p): Added code to handle artifical defs.
19726 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19728 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
19730 (_mm_cvtsi128_si64): Likewise.
19731 (_mm_cvtsd_si64): Likewise.
19732 (_mm_cvttsd_si64): Likewise.
19733 (_mm_cvtsi64_sd): Likewise.
19734 (_mm_cvtsi64_si128): Likewise.
19735 * config/i386/mmintrin.h (_m_from_int64): Likewise.
19736 (_mm_cvtsi64_m64): Likewise.
19737 (_m_to_int64): Likewise.
19738 (_mm_cvtm64_si64): Likewise.
19739 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
19740 (_mm_cvttss_si64): Likewise.
19741 (_mm_cvtsi64_ss): Likewise.
19742 (_mm_cvtss_f32): Likewise.
19744 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
19746 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
19747 for pragma redefine_extname.
19749 2006-01-27 Jakub Jelinek <jakub@redhat.com>
19752 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
19753 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
19754 -mno-minimal-toc to previous content.
19755 (bispecs): Remove goal.
19756 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
19757 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
19758 compatibility aliases on powerpc-*-*gnu*.
19759 * config/rs6000/libgcc-ppc-glibc.ver: New file.
19760 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
19761 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
19762 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
19763 (ldblspecs): New goal.
19764 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
19765 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
19767 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
19768 L_sf_to_tf or L_df_to_tf is defined.
19770 2006-01-27 David Edelsohn <edelsohn@gnu.org>
19771 Alan Modra <amodra@bigpond.net.au>
19774 * config/rs6000/linux.h (POWERPC_LINUX): Define.
19775 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
19776 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
19777 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
19778 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
19779 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
19780 (rs6000_override_options): Initialize rs6000_ieeequad.
19781 Initialize TFmode format to ibm_extended_format if not
19783 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
19785 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
19786 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
19787 (function_arg_advance): IBM long double passed in two FPRs, not
19789 (function_arg): IBM long double passed in FPRs.
19790 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
19791 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
19792 Only multireg GPR aligned.
19793 (rs6000_init_libfuncs): Enable IBM long double functions if not
19795 (rs6000_generate_compare): Use IBM long double compare if not
19797 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
19798 (TARGET_IEEEQUAD): Define.
19799 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
19800 not TARGET_IEEEQUAD.
19801 * config/rs6000/rs6000.md: Enable TFmode patterns if
19803 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
19804 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19805 and -mlong-double-128 are incompatible.
19806 * doc/invoke.texi (-mabi): Collect options together. Add
19807 ibmlongdouble and ieeelongdouble.
19809 2006-01-27 Richard Sandiford <richard@codesourcery.com>
19811 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
19813 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
19814 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
19815 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
19816 * rtl.h (rtunion_def): Remove rt_ptr.
19818 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
19819 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
19820 * config/i386/winnt.c (i386_pe_mark_dllexport)
19821 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
19823 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
19825 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
19827 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19831 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
19832 pthread_key_delete. From John David Anglin. gthrw-ify
19833 pthread_getunique_np only if it it's not a macro. Delete
19835 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
19836 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
19837 __gthread_objc_condition_signal, __gthread_key_delete): Add
19838 "__attribute__ ((__unused__))" to unused arguments.
19839 (__gthread_recursive_mutex_init_function): Add missing return.
19840 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
19841 gthr-posix95.h: Use macro-based approach for name redirection
19842 on targets missing weakref.
19844 2006-01-26 Zack Weinberg <zackw@panix.com>
19846 * genconditions.c (write_header): In generated code, #ifdef out
19847 all includes and fake declarations, except includes of bconfig.h
19848 and system.h, unless GCC_VERSION >= 3001. Do not include
19849 gensupport.h in any case.
19850 (write_conditions): Generate a definition of struct c_test. Add
19851 a comment to the generated #endif.
19852 (write_one_condition): Escape backslashes in string too.
19853 (write_writer): Generated code must escape backslashes and quote
19854 marks (but not newlines) in the strings it writes.
19855 * Makefile.in (build/gencondmd.o): Update dependencies.
19857 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19860 * Makefile.in (insn-automata.o): Add header file dependencies.
19861 * genautomata.c: Add includes.
19863 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19866 * Makefile.in (insn-automata.o): Add -Wno-error flag.
19868 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19870 * configure.ac: Expect target tools paths to be passed from the toplevel
19871 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
19873 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
19875 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19878 * c.opt (Wpointer-sign): Init to -1.
19879 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
19880 OPT_pedantic, to 0 otherwise.
19881 * doc/invoke.texi: Update.
19883 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19885 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
19886 constants provided by 80387 instructions in the destination mode.
19888 2006-01-26 Richard Guenther <rguenther@suse.de>
19889 Andrew Pinski <pinskia@physics.uc.edu>
19892 partial PR tree-opt/17064
19893 * tree-ssa-structalias.c (intra_create_variable_infos):
19894 Create heap variables for incoming parameters if
19895 flag_argument_noalias > 1.
19896 (find_what_p_points_to): Look through default defs of
19899 2006-01-26 Jeff Law <law@redhat.com>
19902 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
19903 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
19904 within the VR_RANGE, use the VR_RANGE as the result, not the
19906 (adjust_range_with_scev): Reject ranges from SCEV which are out of
19907 bounds for the type.
19909 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
19911 * tree-ssa-alias.c (maybe_create_global_var): Change
19912 subvar walking to an assertion that we don't have subvar'd variables.
19914 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
19917 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
19918 Use a new variable, inner. PARM_DECLs are always non-weak.
19920 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
19922 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
19923 --disable-checking.
19925 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
19927 * config/mips/mips.md (*clear_upper32): New combiner pattern.
19929 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
19931 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
19932 (smax_insn, smin_insn, smax_0, smin_0): New.
19934 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
19937 * config/cris/cris.c (cris_order_for_addsi3): New function.
19938 * config/cris/cris-protos.h: Prototype it.
19939 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
19940 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
19941 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
19942 (split for "op.S1 [rx=rx+i],ry (swapped)")
19943 (split for "op(s|u).S1 [rx=rx+i],ry")
19944 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
19945 Apply cris_order_for_addsi3 when generating addsi3 insns.
19947 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19949 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
19950 (TREE_BLOCK): Add call to EXPR_CHECK.
19952 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19955 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
19956 * tree-pretty-print.c (dump_omp_clause): Extract from ...
19957 (dump_omp_clauses): ... here.
19958 (dump_generic_node): Handle OMP_CLAUSE.
19959 * tree.c (omp_clause_num_ops): New.
19960 (omp_clause_code_name): New.
19961 (tree_code_size): Handle OMP_CLAUSE.
19962 (tree_size): Likewise.
19963 (make_node): Document handling of OMP_CLAUSE.
19964 (tree_node_structure): Handle OMP_CLAUSE.
19965 (omp_clause_check_failed): New.
19966 (omp_clause_range_check_failed): New.
19967 (omp_clause_operand_check_failed): New.
19968 (build_omp_clause): New.
19969 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
19970 * tree.h (enum omp_clause_code): Declare.
19971 (OMP_CLAUSE_SUBCODE_CHECK): Define.
19972 (OMP_CLAUSE_RANGE_CHECK): Define.
19973 (OMP_CLAUSE_ELT_CHECK): Define.
19974 (omp_clause_check_failed): Declare.
19975 (omp_clause_operand_check_failed): Declare.
19976 (omp_clause_range_check_failed): Declare.
19977 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
19978 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
19979 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
19980 (OMP_CLAUSE_LASTPRIVATE): Likewise.
19981 (OMP_CLAUSE_IF_EXPR): Likewise.
19982 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
19983 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
19984 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
19985 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
19986 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
19987 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
19988 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
19989 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
19990 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
19991 (OMP_CLAUSE_CODE): Define.
19992 (OMP_CLAUSE_SET_CODE): Define.
19993 (OMP_CLAUSE_CODE): Define.
19994 (OMP_CLAUSE_OPERAND): Define.
19995 (struct tree_omp_clause): Declare.
19996 (union tree_node): Add field 'omp_clause'.
19997 * treestruct.def (TS_OMP_CLAUSE): Define.
19998 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
19999 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20000 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20001 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20002 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20003 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20004 (OMP_CLAUSE): Define.
20005 * print-tree.c (print_node): Handle OMP_CLAUSE.
20006 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20007 * c-typeck.c: Likewise.
20008 * gimplify.c: Likewise.
20009 * c-omp.c: Likewise.
20010 * tree-nested.c: Likewise.
20011 * tree-inline.c: Likewise.
20012 * c-parser.c: Likewise.
20013 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20016 2006-01-25 Roger Sayle <roger@eyesopen.com>
20018 PR rtl-optimization/25703
20019 * combine.c (try_combine): Handle zero_extract and strict_low_part
20020 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20022 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
20024 * global.c: Fix comment typos.
20026 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
20029 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20030 Use output_addr_const instead of assemble_name.
20032 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
20034 * Makefile.in (sched-vis.o): Update dependencies.
20035 * haifa-sched.c (sched_finish): Clear current_sched_info.
20036 * cfg.c (dump_bb_info): New, split from dump_flow_info.
20037 (dump_flow_info): Call it.
20038 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20040 * basic-block.h (dump_bb_info): Declare.
20041 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20042 option, and apply options only for dump files whose TDF_RTL,
20043 TDF_TREE, or TDF_IPA bits match.
20044 * rtl.h: Declare new functions exported from sched-vis.c.
20045 * sched-vis.c: Enable also if scheduling is not used.
20046 (print_value): Print the mode of registers if not inside scheduling.
20047 (print_insn): Make it work outside the scheduler. Beautify the output
20049 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20051 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20053 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20054 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20055 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20056 depending on the value of CONSTANT_POOL_ADDRESS_P.
20057 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20059 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20060 rather than SYMBOL_REF_DECL.
20061 (rtx_constant_pool): Remove const_rtx_sym_htab.
20062 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20063 (init_varasm_status): Don't initialize const_rtx_sym_htab.
20064 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20065 Remove handling of const_rtx_sym_htab.
20066 (find_pool_constant): Delete.
20067 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20068 rather than find_pool_constant.
20069 (get_pool_constant_for_function): Delete.
20070 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20071 find_pool_constant.
20072 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20073 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20074 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20075 (SYMBOL_REF_CONSTANT): New macro.
20076 (get_pool_constant_for_function): Delete.
20077 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20078 rather than SYMBOL_REF_DECL.
20079 (i386_pe_mark_dllimport): Likewise.
20080 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20081 rather than SYMBOL_REF_DECL.
20082 * config/darwin.c (machopic_indirect_data_reference): Likewise.
20083 (machopic_indirect_call_target): Likewise.
20085 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
20087 * flow.c (delete_noop_moves): Add missing EOL to dump message.
20089 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20091 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
20093 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
20095 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
20097 2006-01-24 David Daney <ddaney@avtrex.com>
20100 * configure.ac (enable_tls): New enable option.
20101 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
20102 * configure: Regenerate.
20103 * doc/install.texi (--enable-tls): Document new option.
20104 (--disable-tls): Ditto.
20106 2006-01-24 Richard Henderson <rth@redehat.com>
20108 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
20109 * alias.c (true_dependence): Respect it.
20110 (canon_true_dependence, write_dependence_p): Likewise.
20111 * builtins.c (get_builtin_sync_mem): Set it.
20113 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
20115 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
20118 2006-01-24 DJ Delorie <dj@redhat.com>
20120 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
20121 for storing constants in single-bit bitfields.
20123 2006-01-25 Ben Elliston <bje@au.ibm.com>
20125 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
20127 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
20130 * tree-ssa-pre.c (phi_translate): Return NULL
20131 for AGGREGATE_TYPE's.
20133 2006-01-24 Zack Weinberg <zackw@panix.com>
20135 * genautomata.c (process_state_for_insn_equiv_partition):
20136 Use xcalloc for insn_arcs_array.
20137 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
20138 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
20140 2006-01-24 Richard Henderson <rth@redhat.com>
20142 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
20143 update all callers.
20145 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
20147 PR rtl-optimization/25890
20148 PR rtl-optimization/25905
20149 * combine.c (expand_compound_operation, expand_field_assignment):
20150 Fail if the bitfield's final position is out of bounds.
20152 2006-01-24 Ian Lance Taylor <ian@airs.com>
20154 PR middle-end/25930
20155 * cgraphunit.c (cgraph_output_in_order): Don't clear
20156 cgraph_asm_nodes until after asm strings have been output.
20158 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
20160 * fix-header.c (read_scan_file): Add new parameter imultilib when
20161 calling register_include_chains.
20163 2006-01-23 Diego Novillo <dnovillo@redhat.com>
20165 * omp-low.c: Update documentation.
20167 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20168 Daniel Berlin <dberlin@dberlin.org>
20172 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
20173 return from the function.
20175 2006-01-22 Zack Weinberg <zackw@panix.com>
20177 * rtl.def (match_code): Add second argument.
20178 * genpreds.c (write_extract_subexp): New function.
20179 (write_match_code): Add path argument. Use write_extract_subexp.
20180 (write_predicate_expr): Pass path to write_match_code.
20181 (mark_mode_tests): MATCH_CODE applied to a subexpression does
20182 not perform a mode test.
20183 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
20184 a subexpression does not constrain the top-level code set.
20185 * read-rtl.c (read_rtx_variadic): New function.
20186 (read_rtx_1): Use it; allow AND and IOR to be variadic.
20187 * doc/md.texi: Document new notation.
20188 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
20189 (cmpsi_operand): ... here, using new notation.
20191 2006-01-22 Zack Weinberg <zackw@panix.com>
20193 * varray.c: Remove GENERATOR_FILE #ifdefs.
20195 2006-01-22 Zack Weinberg <zackw@panix.com>
20197 * genautomata.c (output_reserved_units_table): Emit nothing if
20198 description->query_units_num is zero. Remove extra blank line.
20199 (output_cpu_unit_reservation_p): Short circuit
20200 if description->query_units_num is zero.
20202 2006-01-22 Zack Weinberg <zackw@panix.com>
20204 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
20205 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
20206 nor any of the random handful of variables that used to be necessary
20207 when this program was linked with rtlanal.o. Prune set of forward
20208 function declarations.
20209 (struct attr_desc): Remove static_p field.
20210 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
20211 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
20212 (attr_string): Do not read the character one past the length of
20214 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
20215 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
20216 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
20217 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
20218 (make_automaton_attrs): New.
20219 (main): Do not call into genautomata. Call local gen_bypass
20220 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
20221 Remove special case for insn_alts.
20222 * genautomata.c: Include gensupport.h; not genattrtab.h nor
20223 varray.h (leftover from previous change). Prune set of forward
20224 function declarations. Remove state_alts fields from all
20225 structures. Remove state_alts_table from struct automaton.
20226 Make everything except main static. Do not maintain num_dfa_decls.
20227 Do not maintain state_alts fields of various structures.
20228 (process_decls): Don't validate condexp for dm_insn_reserv decls.
20229 (add_arc): Remove state_alts argument. All callers updated.
20230 (output_reserved_units_table): Emit #ifdef here...
20231 (output_tables): ...not here. Don't generate state_alts tables.
20232 (expand_automata): Don't generate attributes.
20233 (write_automata): Don't generate state_alts functions.
20234 (main): New function.
20235 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
20236 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
20237 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
20238 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20239 (BYPASS_P_FUNC_NAME, output_state_alts_table)
20240 (output_automata_list_state_alts_code, output_internal_state_alts_func)
20241 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20242 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20244 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20245 * genattrtab.h: Delete file.
20246 * Makefile.in (OBJS-common): Add insn-automata.o.
20247 (insn-automata.o): New rule.
20248 (simple_generated_c): Add insn-automata.c.
20249 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20250 (genprogmd): Add automata.
20251 (build/genattrtab): Needs no extra objects nor libraries.
20252 (build/genautomata): Needs build/vec.o and -lm.
20254 2006-01-22 Zack Weinberg <zackw@panix.com>
20256 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20257 (output_dfa_max_issue_rate, locked_states_num): Delete.
20258 (struct automaton): Add locked_states field.
20259 (output_dead_lock_vect): Save number of locked states in
20260 automaton->locked_states. If it is zero, don't print anything.
20261 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20262 (output_internal_dead_lock_func): Only test the dead_lock_vect
20263 for automata that have locked states.
20264 (output_statistics): Always print the number of locked states for
20265 each automaton. Calculate total number of locked states here.
20266 (write_automata): Don't call output_dfa_max_issue_rate.
20267 * genattrtab.c: Define length_unit_log as a const variable.
20268 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20269 max_insn_queue_index const.
20270 * final.c (length_unit_log): Declare const.
20271 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20273 2006-01-22 Zack Weinberg <zackw@panix.com>
20275 * genautomata.c: Include vec.h, not varray.h.
20276 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20277 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20278 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20279 VEC_* macros operating on appropriately typed vectors, or to
20280 malloced arrays when the size is known in advance. Const-ify
20281 many char* variables and function arguments. No functional changes.
20282 * Makefile.in (build/varray.o): Delete rule.
20283 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20284 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20286 2006-01-22 Zack Weinberg <zackw@panix.com>
20288 * gensupport.c: Define get_insn_name and record_insn_name here.
20289 (read_md_rtx): Call record_insn_name as appropriate.
20290 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20291 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20292 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20294 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20295 (BUILD_VARRAY): Delete.
20296 (genprognormal): Rename genprogmd. Fold in all programs from
20297 genprognoprint; also attrtab.
20298 (build/genattrtab): Just mention genautomata.o and varray.o.
20299 Reorganize a bit, add comments to make the categories clearer.
20301 2006-01-22 Zack Weinberg <zackw@panix.com>
20303 * genconditions.c (condition_table, add_condition): Delete.
20304 (write_conditions): Don't emit n_insn_conditions nor
20305 insn_elision_unavailable. Issue the gcc version #ifdef here,
20306 inside the table, with no #else clause ...
20307 (write_header): ...not here.
20308 (write_writer): New function.
20309 (main): Don't initialize condition_table. Use add_c_test.
20311 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20312 files on the command line.
20313 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20314 Return -1 if there is no entry in the table, don't abort.
20315 (add_c_test, traverse_c_tests): New functions.
20316 * gensupport.h (insn_elision_unavailable, insn_conditions)
20317 (n_insn_conditions): Delete declarations.
20318 (add_c_test, traverse_c_tests): Declare.
20319 * read-rtl.c: Include gensupport.h.
20320 (read_conditions): New function.
20321 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20322 (read_rtx_1): If we get EOF when we were looking for an initial
20323 open paren, return 0. Call read_conditions when appropriate.
20324 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20325 dummy-conditions.o. Eliminate references to insn-conditions.o,
20326 or change them to build/gencondmd.o, as appropriate. Remove
20327 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20328 from $(simple_generated_c). For all files remaining in those
20329 two lists, add insn-conditions.md to the generator command line.
20330 Give insn-constants.h/s-constants their own rules. Add rules
20331 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20332 (build/read-rtl.o): Depend on gensupport.h.
20333 (genprognormal): Include preds.
20334 (genprogearly): Rename genprognoprint; only difference is now that
20335 they don't link with $(BUILD_PRINT).
20336 * dummy-conditions.c: Delete.
20338 2006-01-22 Zack Weinberg <zackw@panix.com>
20340 * genextract.c: Don't include insn-config.h. Do include vec.h.
20341 Declare vectors of int, char, and locstr.
20342 (locstr): New typedef.
20343 (struct extraction): Make all array fields into bare pointers.
20344 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20345 (insn_code_number): Delete.
20346 (accum_extract): New struct.
20347 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20348 (gen_insn): Take insn_code_number as an argument. Use an
20349 accum_extract structure instead of loading data directly into
20350 a struct extraction, and having to know how big it might get.
20351 (walk_rtx): Operate entirely on an accum_extract structure.
20352 (print_path): Avoid unnecessary use of printf.
20353 (print_header): New function, split out of main. Distinguish
20354 more carefully between an unrecognizable insn and an insn that
20355 has the code number of a define_expand.
20356 (main): Pass insn_code_number to gen_insn. Call print_header
20357 only after parsing. Avoid unnecessary use of printf.
20358 * Makefile.in (build/vec.o): New rule.
20359 (build/genextract): Depend on build/vec.o.
20360 (build/genextract.o): Don't depend on insn-config.h.
20362 2006-01-22 Zack Weinberg <zackw@panix.com>
20364 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20365 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20366 practical. Eliminate per-generator-program link rules.
20368 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20370 PR middle-end/24437
20371 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20372 with a call expr to ...
20373 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20375 2006-01-23 Richard Guenther <rguenther@suse.de>
20377 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20378 before make_edge with conditional EDGE_TRUE_VALUE.
20380 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20381 Jan Hubicka <jh@suse.cz>
20382 Richard Guenther <rguenther@suse.de>
20384 PR rtl-optimization/25654
20385 * cfgexpand.c (aggregate_contains_union_type): New function.
20386 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20387 for structure variables that contain a union type.
20389 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20391 * gengtype.c (new_structure): Return the structure.
20392 (create_option): Add an extra "next" argument.
20393 (create_field): New function.
20394 (adjust_field_rtx_def): Use create_option and create_field.
20395 Remove a now-unnecessary call to find_structure.
20396 (adjust_field_tree_def): Likewise.
20397 (note_yacc_type): Remove an unnecessary call to find_structure.
20398 * gengtype.h (new_structure): Return the structure.
20399 (create_option): Add an extra argument.
20400 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20401 (option): Adjust calls to create_option.
20403 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20405 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20407 2006-01-22 Paul Brook <paul@codesourcery.com>
20408 Peter Barada <peter@the-baradas.com>
20410 * config/m68k/m68k.md: Add Coldfire FPU support.
20411 Define FP mode macro and associated attributes.
20412 Use it for float mode patterns.
20413 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20414 (LIBCALL_VALUE): Use m68k_libcall_value.
20415 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20416 (m68k_function_value): Ditto.
20417 (emit_move_sequence): Ditto.
20418 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20419 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20420 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20421 (MULTILIB_EXCEPTIONS): Ditto.
20422 * config/m68k/m68k.opt: Add mcfv4e.
20423 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20424 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20425 (m68k_output_function_prologue): Save ColdFire FPU registers.
20426 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20427 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20428 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20429 ColdFire FPU registers.
20430 (m68k_libcall_value, m68k_function_value): New functions.
20431 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20432 (LIBCALL_VALUE): Use m68k_libcall_value.
20433 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20434 (MASK_COLDFIRE): Add MASK_CFV4E.
20435 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20436 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20437 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20438 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20439 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20440 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20441 * doc/invoke.tex: Document -mcfv4e on m68k.
20443 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20445 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20448 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
20451 * c-opts.c (c_common_handle_option): Don't include
20452 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
20453 * doc/invoke.texi (C++ Dialect Options): Document that
20454 -Wnon-virtual-dtor is no longer included in -Wall.
20456 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
20458 * gcov.c (print_version), gcov-dump.c (print_version),
20459 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
20462 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
20464 * df-scan.c (problem_SCAN): Added NULL reset function.
20465 (df_scan_reset_blocks): Added code to call reset block function
20466 (df_bb_refs_delete) Fixed comment.
20467 (df_insn_refs_delete): Made tolerant of deleting non existent info
20468 for dataflow problems that need to be reset.
20469 * df-core.c (df_set_blocks): Ditto.
20470 * df.h (struct df_problem): Added reset_fun.
20471 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
20472 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
20473 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
20474 functions to clear out all references to def-use or use-def chains.
20476 2006-01-21 Ben Elliston <bje@au.ibm.com>
20478 * varasm.c (assemble_real): Initialise data array.
20480 2006-01-20 Paul Brook <paul@codesourcery.com>
20482 Merge from csl-arm-branch.
20483 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
20484 * config/arm/arm.md (movdi): Force operands[1] to a register
20485 if we have a non-register source.
20486 (*arm_movdi, *movdf_soft_insn): Require that one of the
20487 operands be a register.
20488 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
20489 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
20491 2006-01-20 DJ Delorie <dj@redhat.com>
20493 * varasm.c (initializer_constant_valid_p): Allow pointers
20494 initialized from integer constants of lesser precision.
20495 (output_constant): Allow non-int-sized pointer modes to be
20496 initialized from integer constants.
20498 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
20501 * cppdefault.h (struct default_include): Add multilib flag.
20502 * cppdefault.c (cpp_include_defaults): Set it.
20503 * c.opt (-imultilib): New option.
20504 * c-opts.c (imultilib): New.
20505 (c_common_handle_option): Handle -imultilib.
20506 (c_common_post_options): Likewise.
20507 * c-incpath.c (add_standard_paths, register_include_chains):
20509 * c-incpath.h (register_include_chains): Add extra parameter.
20510 * gcc.c (do_spec_1): Generate -imultilib option.
20511 (The Specs Language): Update %I description.
20512 (process_command): Update copyright notice.
20513 * doc/cppopts.texi (-imultilib): Document.
20514 * doc/invoke.texi (-imultilib): Include in option summary.
20515 (%I): Update specs documentation.
20517 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20519 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
20521 2006-01-20 Richard Sandiford <richard@codesourcery.com>
20523 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
20526 2006-01-20 Richard Guenther <rguenther@suse.de>
20527 Steven Bosscher <stevenb.gcc@gmail.com>
20529 PR rtl-optimization/24626
20530 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
20531 EDGE_TRUE_VALUE if in RTL mode.
20534 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
20535 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
20537 2006-01-20 Dirk Mueller <dmueller@suse.com>
20540 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
20541 instead of a special NOP marker.
20542 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
20543 NOP marker handling.
20544 * c-common.h (empty_body_warning): Add forward declaration.
20545 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
20546 Now uses IS_EMPTY_STMT() instead of special NOP markers.
20548 2006-01-20 Paul Brook <paul@codesourcery.com>
20550 * Makefile.in (lang_checks): Keep going if mkdir fails.
20552 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20554 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
20555 be able to clean out basic block when not necessary.
20556 (df_scan_free): Fixed to properly delete information if df is
20557 unused before calling df_finish.
20558 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
20559 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
20561 (df_bb_refs_delete): New function.
20562 (df_refs_delete): Moved per block code to df_bb_refs_delete.
20563 * df-core.c (df_set_blocks): Added code to properly clean out
20564 unused blocks if they are not part of the blocks to consider.
20565 Added additional null check.
20566 (df_compact_blocks): Added basic block parameter to free_bb_fun to
20567 be able to clean out basic block when not necessary
20568 * df.h (df_free_bb_function): Ditto.
20569 (df_bb_refs_delete): New function.
20570 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
20571 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
20572 basic block parameter to be able to clean out basic block when not
20574 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
20575 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
20576 Fixed to properly delete information if df is unused before
20579 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20581 PR rtl-optimization/25799
20582 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
20583 Corrected confluence operator to remove bits from op2 before oring
20584 with op1 rather than removing bits from op1.
20585 (df_ru_transfer_function): Corrected test on wrong bitmap which
20586 caused infinite loop. Both of these problems were introduced in
20587 the dataflow rewrite.
20589 2006-01-19 DJ Delorie <dj@redhat.com>
20591 * reload1.c (find_reload_regs): Note the details of reload
20592 failures in the dump file.
20593 (spill_failure): Likewise.
20595 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20597 * loop-iv.c: Include df.h and hashtab.h.
20598 (enum iv_grd_result): New enum.
20599 (DF_REF_IV, DF_REF_IV_SET): New macros.
20600 (struct biv_entry): New.
20601 (df, bivs): New global variables.
20602 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
20603 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
20605 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
20606 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
20607 analyzed_for_bivness_p, record_biv): New functions.
20608 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
20609 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
20610 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
20612 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
20614 (iv_number_of_iterations): Use new interface to iv analysis.
20615 * loop-unroll.c: Do not include varray.h.
20616 (analyze_iv_to_split_insn): Use new interface to iv
20618 * loop-unswitch.c (may_unswitch_on): Ditto.
20619 * df.c (df_bitmaps_free): Only work for bbs for that structures are
20621 (df_bb_modify): Realloc tables to the new index.
20622 (df_find_use): New function.
20623 * df.h (df_find_use): Declare.
20624 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
20626 * cfgloop.h (struct rtx_iv): Remove analysed field.
20627 (iv_get_reaching_def): Removed.
20628 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
20629 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
20630 (loop-iv.o): Add df.h and hashtab.h dependency.
20631 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
20633 2006-01-20 Alan Modra <amodra@bigpond.net.au>
20636 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
20638 (__floatundisf, __floatundidf): Likewise.
20639 * libgcc2.h (IS_IBM_EXTENDED): Define.
20641 2006-01-19 DJ Delorie <dj@redhat.com>
20643 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
20645 2006-01-19 Paul Brook <paul@codesourcery.com>
20647 * config/arm/arm.c (arm_compute_func_type): Treat all functions
20648 as nothrow when unwinding tables are disabled.
20650 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20653 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
20654 of bit-field" when in system header.
20656 2006-01-19 DJ Delorie <dj@redhat.com>
20658 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
20659 the 16 bit shift limit of the m16c.
20661 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
20664 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
20665 * config/i386/i386.c (output_set_got): Output the label if we have one
20666 for the TARGET_DEEP_BRANCH_PREDICTION case.
20668 2006-01-19 Jan Hubicka <jh@suse.cz>
20669 H.J. Lu <hongjiu.lu@intel.com>
20670 Evandro Menezes <evandro.menezes@amd.com>
20672 * invoke.texi (generic): Document
20674 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
20675 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
20676 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
20677 (x86_use_incdec, x86_pad_returns): New variables
20678 (TARGET_CPU_DEFAULT_generic): New constant
20679 (TARGET_CPU_DEFAULT_NAMES): Add generic.
20680 (enum processor_type): Add generic32 and generic64.
20681 * i386.md (cpu attribute): Add generic32/generic64
20682 (movhi splitter): Behave sanely when both partial_reg_dependency and
20683 partial_reg_stall are set.
20684 (K8 splitters): Enable for generic as well.
20685 * predicates.md (incdec_operand): Use TARGET_INCDEC
20686 (aligned_operand): Avoid memory mismatch stalls.
20687 * athlon.md: Enable for generic64, new patterns for 128bit moves.
20688 * ppro.md: Enable for generic32
20689 * i386.c (generic64_cost, generic32_cost): New.
20690 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
20691 (x86_use_leave): Enable for generic64. (x86_use_sahf,
20692 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
20693 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
20694 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
20695 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
20696 x86_partial_reg_dependency, x86_memory_mismatch_stall,
20697 x86_accumulate_outgoing_args, x86_prologue_using_move,
20698 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
20699 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
20700 Enable for generic.
20701 (x86_use_incdec, x86_pad_returns): New.
20702 (override_options): Add generic32 and generic64, translate "generic"
20703 to generic32/generic64 and "i686" to "generic32", refuse
20704 "generic32"/"generic64" as arch target.
20705 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
20706 (ix86_reorg): Honor PAD_RETURNS.
20708 2006-01-19 Diego Novillo <dnovillo@redhat.com>
20710 * tree-pretty-print.c (dump_generic_node): Handle
20711 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
20712 * cgraph.c (cgraph_expand_queue): Rename from
20713 cgraph_analyze_queue. Update all users.
20714 * cgraphunit.c (cgraph_assemble_pending_functions): Process
20715 cgraph_expand_queue.
20716 (cgraph_expand_all_functions): Likewise.
20717 (cgraph_finalize_pending_functions): Remove. Update callers.
20719 * tree.h (OMP_DIRECTIVE_P): Define.
20720 (OMP_PARALLEL_FN): Define.
20721 (OMP_PARALLEL_DATA_ARG): Define.
20722 (OMP_SECTIONS_SECTIONS): Define.
20723 * tree-pass.h (pass_expand_omp): Declare.
20724 * omp-low.c (struct omp_region): Declare.
20725 (struct omp_context): Remove fields 'parallel_type',
20726 'parallel_start_ix' and 'parallel_start_additional_args'.
20728 (struct omp_for_data): Rename from struct expand_omp_for_data.
20729 (omp_regions): New static variable.
20730 (root_omp_region): New static variable.
20731 (find_omp_clause): Make static.
20732 (is_in_combined_parallel_ctx): Remove.
20733 (is_combined_parallel): New.
20734 (extract_omp_for_data): Move earlier in the file.
20735 (workshare_safe_to_combine_p): New.
20736 (get_ws_args_for): New.
20737 (determine_parallel_type): Move earlier in the file.
20738 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
20740 (omp_copy_decl): Likewise.
20741 (create_omp_child_function): Likewise.
20742 (lookup_omp_region): New.
20743 (dump_omp_region): New.
20744 (debug_omp_region): New.
20745 (debug_all_omp_regions): New.
20746 (new_omp_region): New.
20747 (scan_omp_parallel): If parallel_nesting_level > 1, the
20748 directive is nested within another parallel directive.
20749 Set OMP_PARALLEL_FN.
20750 (scan_omp_for): Do not try to handle combined parallel+for
20752 Remove FIXME comment.
20753 (scan_omp_nested): Remove.
20754 (scan_omp_1): Do not call scan_omp_nested when
20755 parallel_nesting_level is > 1.
20756 Do not change the DECL_CONTEXT of local variables found.
20757 (lookup_decl_in_outer_ctx): New.
20758 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
20759 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
20760 (lower_reduction_clauses): Rename from expand_reduction_clauses.
20761 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
20762 If CTX is nested, lookup VAR in the outer context when
20763 building copy assignment.
20764 (lower_send_clauses): Rename from expand_send_clauses.
20765 If CTX is nested, lookup VAR in the outer context when
20766 building copy assignments.
20767 (lower_send_shared_vars): Rename from expand_send_shared_vars.
20768 If CTX is nested, lookup VAR in the outer context when
20769 building copy assignments.
20770 (expand_parallel_call): Rename from build_parallel_call.
20771 Handle combined parallel+workshare cases.
20772 Re-implement to emit code into the CFG.
20774 (expand_omp_parallel): Re-implement to emit code into the CFG.
20775 Call move_sese_region_to_fn to outline the sub-graph
20776 containing the parallel region.
20777 (expand_omp_for_1): Remove.
20778 (expand_omp_for_generic): Re-implement to emit code into the
20780 (expand_omp_for_static_nochunk): Likewise.
20781 (expand_omp_for_static_chunk): Likewise.
20782 (expand_omp_for): Likewise.
20783 (expand_omp_sections): Likewise.
20784 (remove_exit_barriers): New.
20785 (expand_omp_synch): New.
20787 (build_omp_regions_1): New.
20788 (build_omp_regions): New.
20789 (execute_expand_omp): New.
20790 (gate_expand_omp): New.
20791 (pass_expand_omp): Define.
20792 (lower_omp_sections): Rename from expand_omp_sections.
20793 Set OMP_SECTIONS_SECTIONS.
20794 (lower_omp_single_simple): Rename from expand_omp_single_simple.
20795 (lower_omp_single_copy): Rename from expand_omp_single_copy.
20796 (lower_omp_single): Rename from expand_omp_simple.
20797 (lower_omp_master): Rename from expand_omp_master.
20798 (lower_omp_ordered): Rename from expand_omp_ordered.
20799 (lower_omp_critical): Rename from expand_omp_critical.
20800 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
20801 (lower_omp_for): Re-implement.
20802 (lower_omp_parallel): Re-implement.
20803 (lower_regimplify): Rename from expand_regimplify.
20804 (lower_omp_1): Rename from expand_omp_1.
20805 If there are syntax errors in the program, replace every
20806 OpenMP directive with NOP.
20807 Call lower_omp_* instead of expand_omp_*.
20808 (lower_omp): Rename from expand_omp.
20810 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
20811 * tree-gimple.h (enum omp_parallel_type): Remove.
20812 (gimple_boolify): Declare extern.
20813 (find_omp_clause, determine_parallel_type): Remove.
20815 * gimple-low.c (lower_omp_directive): New.
20816 (lower_stmt): Call it.
20817 (record_vars_into): Move from ...
20818 (record_vars): ... here.
20819 Call record_vars_into with current_function_decl.
20821 * gimplify.c (struct gimplify_ctx): Remove fields
20822 combined_pre_p and combined_ctxp. Update users.
20823 (get_formal_tmp_var): Add documentation.
20824 (gimple_boolify): Make extern.
20825 (gimplify_expr_in_ctx): Remove. Update callers.
20826 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
20827 will always be a BIND_EXPR.
20828 (gimplify_expr): Handle OMP_RETURN_EXPR.
20829 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
20830 (OMP_PARALLEL): Add 3 operands.
20831 (OMP_SECTIONS): Add 1 operand.
20832 (OMP_RETURN_EXPR): Define.
20834 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
20835 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
20836 * tree-iterator.c (alloc_stmt_list): Assert that we are not
20837 creating a circular free list.
20838 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
20840 * tree-flow.h (move_sese_region_to_fn): Declare.
20841 (record_vars_into): Declare.
20842 * tree-cfg.c (make_omp_sections_edges): New.
20843 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
20844 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
20845 OMP_SECTIONS and OMP_SECTION.
20846 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
20847 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
20848 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
20849 (gather_blocks_in_sese_region): New.
20850 (struct move_stmt_d): Declare.
20851 (move_stmt_r): New.
20852 (move_block_to_fn): New.
20853 (move_sese_region_to_fn): New.
20855 * passes.c (init_optimization_passes): Schedule
20856 pass_expand_omp after pass_init_datastructures.
20858 * tree-ssa-operands.c (get_expr_operands): Handle
20859 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
20860 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
20862 2006-01-19 Jeff Law <law@redhat.com>
20864 * tree-vrp.c (extract_range_from_assert): Refine the result range
20865 if the variable referenced by the ASSERT_EXPR has a range and
20866 either the tentative result range or the previous range is a
20869 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20871 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
20873 2006-01-19 Jan Hubicka <jh@suse.cz>
20875 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
20877 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
20879 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
20880 (expand_compound_operation, expand_field_assignment): Fail if the
20881 bit lengths of an extract operation are out of range.
20882 (make_extraction): Compute wanted_inner_mode based on the position
20883 and length of the extraction. Make it extraction_mode for non-constant
20884 positions, and do not modify offset in that case. When generating a
20885 new MEM, use a mode that can hold the extraction while keeping correct
20886 alignment. Remove code that supported MEMs wrapped by USEs.
20887 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
20889 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
20891 * config/s390/s390.md ("Y", "y"): New mode attribute.
20892 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
20893 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
20894 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
20895 "*addsi3_imm_cc", "*addsi3_carry1_cc",
20896 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
20897 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
20898 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
20899 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
20900 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
20901 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
20902 "addsi3", "subsi3"): Insn patterns removed.
20903 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
20904 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
20905 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
20906 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
20907 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
20908 "*sub<mode>3_cconly2"): New insn patterns.
20909 ("addsi3", "subsi3"): New expanders.
20911 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
20913 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
20914 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
20915 existing STMT_VINFO_VECTYPE if available.
20916 (vect_mark_relevant): Add special handling for stmts that are
20917 marked as STMT_VINFO_IN_PATTERN_P.
20918 (vect_analyze_loop): Call vect_pattern_recog.
20919 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
20920 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
20922 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
20923 (vect_recog_func_ptr): New function-pointer type.
20924 * tree-vect-patterns.c: New file.
20925 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
20926 (vect_recog_dot_prod_pattern, vect_pattern_recog):
20927 (vect_pattern_recog_1): New functions.
20928 (vect_pattern_recog_funcs): New array of function pointers.
20930 * tree-vectorizer.h (ternary_op): New enum value.
20931 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
20932 declaration. Revised documentation. Removed redundant dump prints.
20933 Removed redundant argument. Added support for reduction patterns.
20934 (vectorizable_reduction): Added support for reduction patterns.
20935 (vect_transform_stmt): Added support for patterns.
20937 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
20938 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
20939 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
20940 (expand_widen_pattern_expr): New function.
20941 (init_optabs): Initialize new optabs udot_prod_optab,
20943 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
20944 (sdot_prod_optab, udot_prod_optab): Define new optabs.
20945 (expand_widen_pattern_expr): New function declaration.
20946 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
20948 * tree-inline.c (estimate_num_insns_1): Added cases for new
20949 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20950 * tree-pretty-print.c (dump_generic_node): Likewise.
20951 (op_prio): Likewise.
20952 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20953 * tree-ssa-operands.c (get_expr_operands): Added case for
20955 * tree-vect-patterns.c (widened_name_p): New function.
20956 (vect_recog_dot_prod_pattern): Added function implementation.
20957 * tree-vect-transform.c (get_initial_def_for_reduction): Added
20958 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
20959 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
20960 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
20962 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
20963 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
20964 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
20965 (init_optabs): Initialize new optabs widen_ssum_optab,
20967 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
20968 (widen_ssum_optab, widen_usum_optab): Define new optabs.
20969 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
20970 use instead of type of def.
20971 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
20972 function implementation.
20973 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
20974 widen_ssumv8hi): New.
20976 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
20979 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20982 * c-decl.c (add_flexible_array_elts_to_size): New function.
20983 (finish_decl): Use it.
20985 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
20987 * diagnostic.h: Include options.h.
20988 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
20989 dependancies for diagnostic.h.
20990 * Makefile.in (DIAGNOSTIC_H): Add options.h.
20992 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
20994 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
20995 (ssa_ro_call_cache_valid): Ditto.
20996 * tree-ssa-alias.c (sort_tags_by_id): New function.
20997 (init_transitive_clobber_worklist): Ditto.
20998 (add_to_worklist): Ditto.
20999 (mark_aliases_call_clobbered): Ditto.
21000 (compute_tag_properties): Ditto.
21001 (set_initial_properties): Ditto.
21002 (compute_call_clobbered): Ditto.
21003 (compute_may_aliases): Call compute_call_clobbered and grouping.
21004 (compute_flow_sensitive_aliasing): Remove clobbering related code.
21005 (compute_flow_insensitive_aliasing): Grouping now happens in our
21007 (setup_pointers_and_addressables): Remove clobbering related code.
21008 (add_may_alias): Ditto.
21009 (replace_may_alias): Ditto.
21010 (get_nmt_for): Ditto.
21011 (create_global_var):
21012 (is_escape_site): Return an escape_type enumeration.
21013 * tree-flow-inline.h (is_call_clobbered): Global var does not
21014 imply call clobbered.
21015 (mark_call_clobbered): Take a reason for marking this. Remove
21016 marking of globalness, and cache invalidation.
21017 (clear_call_clobbered): Remove cache invalidation code.
21018 * tree-dfa.c (dump_variable): If details is on, dump the reason
21020 * tree-outof-ssa.c (create_temp): Copy escape mask from original
21022 * tree-flow.h (struct ptr_info_def): Add escape mask member.
21023 (struct var_ann_d): Ditto.
21024 (enum escape_type): New.
21025 (mark_call_clobbered): Adjust prototype.
21026 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21027 are never call clobbered.
21028 Record reasons for escaping.
21029 * tree-ssa-structalias.h (is_escape_site): Update prototype.
21030 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21031 (ssa_ro_call_cache_valid): Ditto.
21032 (clobbered_v_may_defs): Ditto.
21033 (clobbered_vuses): Ditto.
21034 (ro_call_vuses): Ditto.
21035 (clobber_stats): New.
21036 (init_ssa_operands): Zero out clobber stats.
21037 (fini_ssa_operands): Print out clobber stats.
21038 (get_call_expr_operands): Pass callee fndecl to
21039 add_call_read_ops).
21040 (add_call_clobber_ops): Remove use of cache.
21041 Add use of PURE_CONST information.
21042 (add_call_read_ops): Remove use of cache.
21043 Add use of static not_read information.
21045 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
21047 Introduce TLS descriptors for i386 and x86_64.
21048 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21049 (TARGET_ANY_GNU_TLS): New macro.
21050 (enum tls_dialect): Added TLS_DIALECT_GNU2.
21051 (struct machine_function): Add tls_descriptor_call_expanded_p.
21052 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21053 (ix86_current_function_calls_tls_descriptor): Likewise.
21054 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21055 (override_options): Introduce gnu2 tls dialect.
21056 (ix86_frame_pointer_required): Functions containing TLSCALLs are
21058 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21060 (legitimize_tls_address): Adjust logic for GNU2 TLS.
21061 (ix86_init_machine_status): Initialize new field.
21062 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21063 (ix86_tls_module_base): New.
21064 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21065 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21066 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21067 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21068 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21069 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21070 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21071 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21072 * config/i386/predicates.md (tls_modbase_operand): New.
21073 (tp_or_register_operand): New.
21075 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
21077 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21078 (look_for_address_of): Ditto.
21079 (ipa_init): Walk the function decls.
21080 (static_execute): Don't set readonly on FUNCTION_DECL's.
21082 2006-01-18 Roger Sayle <roger@eyesopen.com>
21084 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21085 for shifts where the source and destination registers are different.
21087 2006-01-18 Paul Brook <paul@codesourcery.com>
21089 Merge from csl-arm-branch.
21090 2005-03-14 Julian Brown <julian@codesourcery.com>
21091 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
21092 (aeabi_llsl): Likewise.
21093 (ashrdi3): Likewise.
21094 (aeabi_lasr): Likewise.
21095 (lshrdi3): Likewise.
21096 (aeabi_llsr): Likewise.
21097 2005-03-10 Julian Brown <julian@codesourcery.com>
21098 * config.gcc: Disable shared libgcc for SymbianOS.
21099 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
21101 2006-01-18 DJ Delorie <dj@redhat.com>
21103 * c-pragma.c (handle_pragma_diagnostic): New.
21104 (init_pragma): Register it.
21105 * doc/extend.texi: Document it.
21107 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
21108 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
21109 (diagnostic_context): Add classify_diagnostic[].
21110 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
21111 as errors if they're overridden to DK_WARNING.
21112 (diagnostic_initialize): Initialize classify_diagnostic[].
21113 (diagnostic_set_kind_override): New.
21114 (diagnostic_report_diagnostic): Check for kind changes.
21115 * opts.c (common_handle_option): Take lang_mask. Update callers.
21116 Handle OPT_Werror_.
21117 * common.opt (Werror=): New.
21118 * doc/invoke.texi: Document -Werror=*
21120 2006-01-18 Jeff Law <law@redhat.com>
21122 * tree-vrp.c (test_for_singularity): Correct test for new
21123 min limit. Use operand_equal_p rather than pointer equality
21124 for testing if new min/max values are equal.
21126 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
21127 using range information until after propagation and folding.
21129 2006-01-18 Richard Henderson <rth@redhat.com>
21130 Aldy Hernandez <aldyh@redhat.com>
21131 Jakub Jelinek <jakub@redhat.com>
21132 Diego Novillo <dnovillo@redhat.com>
21134 * omp-low.c: New file.
21135 * c-omp.c: New file.
21137 2006-01-18 Richard Henderson <rth@redhat.com>
21138 Jakub Jelinek <jakub@redhat.com>
21139 Diego Novillo <dnovillo@redhat.com>
21141 * doc/invoke.texi: Document -fopenmp.
21142 * tree-dump.h (debug_function): Declare.
21143 * hooks.c (hook_bool_tree_bool_false): New function.
21144 (hook_tree_tree_null): Remove.
21145 (hook_tree_tree_tree_null): New.
21146 * hooks.h: Update to match.
21147 * tree-pretty-print.c (debug_tree_chain): New.
21148 (print_generic_expr): Handle TDF_CHAIN.
21149 (dump_generic_node): Handle BLOCK.
21150 Do not abort with incomplete SWITCH_EXPRs.
21151 Do not dump body of an OpenMP directive if TDF_SLIM is given.
21152 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
21153 print space after directive name.
21154 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
21155 Handle OMP_MASTER and OMP_ORDERED.
21156 Handle printing of OMP_BODY just in one place, goto
21157 dump_omp_body in the rest of OMP_* nodes that have
21159 Don't handle clause nodes here. Update omp statements to
21160 use dump_omp_clauses.
21161 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
21162 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
21163 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
21164 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
21165 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
21166 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
21167 Adjust output for GOMP_PARALLEL.
21168 (dump_omp_clauses): New.
21169 (print_declaration): Dump DECL_VALUE_EXPR.
21170 (op_symbol_1): Split out of op_symbol.
21171 (dumping_stmts): Remove. Update all users.
21172 * cgraph.c (cgraph_analyze_queue): New.
21173 (cgraph_add_new_function): New.
21174 * cgraph.h (cgraph_analyze_queue): Declare.
21175 (cgraph_add_new_function): Declare.
21176 (cgraph_lower_function): Remove.
21177 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
21178 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
21179 and TYPE_P nodes in its default clause.
21180 (empty_body_p): New.
21181 (tree_range_check_failed): New.
21182 (build5_stat): New.
21183 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
21184 OMP_CLAUSE_REDUCTION_MERGE,
21185 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
21186 OMP_CLAUSE_PRIVATE_DEBUG,
21187 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
21188 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
21189 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
21190 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
21191 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
21192 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
21193 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
21194 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
21195 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
21196 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
21197 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
21198 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
21199 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
21200 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
21201 (TREE_RANGE_CHECK): New.
21202 (empty_body_p): Declare.
21203 (enum omp_clause_default_kind): New.
21204 (build_string_literal): Declare.
21205 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
21206 (build5_stat, build5): Declare.
21207 * tree-pass.h (TDF_CHAIN): Define.
21208 * tree-pass.h (PROP_gimple_lomp): Define.
21209 (pass_lower_omp): Declare.
21210 * diagnostic.h (debug_tree_chain): Declare.
21211 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
21213 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
21214 * builtins.c (build_string_literal): Make extern.
21215 * gcc.c (include_spec_function): New.
21216 (static_spec_functions): Add it.
21217 (main): Move load of libgomp.spec ...
21218 (LINK_COMMAND_SPEC): ... here.
21219 (link_gomp_spec): New.
21220 (static_specs): Include it.
21221 (LINK_COMMAND_SPEC): Add link_gomp.
21222 (GOMP_SELF_SPECS): New.
21223 (driver_self_specs): Include it.
21224 (switch_matches): Don't mark inline.
21225 (main): Load libgomp.spec.
21226 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
21227 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
21228 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
21229 * tree-gimple.h (enum omp_parallel): Declare.
21230 (determine_parallel_type): Declare.
21231 (omp_firstprivatize_variable): Declare.
21232 (omp_reduction_init): Declare.
21233 (diagnose_omp_structured_block_errors): Declare.
21234 (struct walk_stmt_info): Add want_return_expr.
21235 (struct walk_stmt_info): Add want_bind_expr, want_locations.
21236 (find_omp_clause): Declare.
21237 (insert_field_into_struct): Declare.
21238 (struct walk_stmt_info): Move from tree-nested.c
21239 (walk_stmts): Declare.
21240 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21242 * cgraphunit.c (cgraph_lower_function): Make static.
21243 (cgraph_finalize_pending_functions): New.
21244 (cgraph_finalize_function): Call it.
21245 (cgraph_finalize_compilation_unit): Likewise.
21246 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21247 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21248 (BT_FN_UINT_UINT): New.
21249 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21250 DEF_FUNCTION_TYPE_VAR_4): Document.
21251 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21252 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21253 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21254 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21255 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21256 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21257 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21258 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21259 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21260 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21261 into separate files.
21262 (DEF_GOMP_BUILTIN): New.
21263 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21264 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21265 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21266 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21267 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21268 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21269 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21270 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21271 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21272 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21273 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21274 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21275 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21276 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21277 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21278 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21279 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21280 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21281 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21282 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21283 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21284 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21285 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21286 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21287 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21288 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21289 * sync-builtins.def: New file, moved from builtins.def.
21290 * omp-builtins.def: New file, moved from builtins.def.
21291 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21292 * gimple-low.c (lower_function_body): Clear data.
21293 (lower_stmt): Do not handle COMPOUND_EXPR.
21294 Remove call to print_node_brief.
21295 * c-tree.h (c_finish_omp_clauses): New prototype.
21296 (C_DECL_THREADPRIVATE_P): Define.
21297 (lookup_name_no_remap, c_omp_remap_private): Remove
21298 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21299 (check_for_loop_decls): Update decl.
21300 (lookup_name_no_remap, c_omp_remap_private): Declare.
21301 (build_indirect_ref, build_modify_expr, pushdecl,
21302 pushdecl_top_level): Move to c-common.h.
21303 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21304 before the switch, but just in the 2 places that need it.
21305 * c-decl.c (diagnose_mismatched_decls): Do not check for
21306 mismatched thread-local attributes when OLDDECL is marked
21307 threadprivate and NEWDECL has no thread-local attributes.
21308 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21309 (c_gimple_diagnostics_recursively): Rename from
21310 c_warn_unused_result_recursively. Invoke
21311 diagnose_omp_structured_block_errors.
21312 (check_for_loop_decls): Return a singular decl found.
21313 * langhooks.c (lhd_omp_predetermined_sharing): Return
21314 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21315 (lhd_omp_firstprivatize_type_sizes): New.
21316 (lhd_omp_assignment): New.
21317 (lhd_omp_predetermined_sharing): New.
21318 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21319 (struct lang_hooks_for_types): Add
21320 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21321 omp_predetermined_sharing, omp_disregard_value_expr,
21322 omp_private_debug_clause, omp_clause_default_ctor,
21323 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21324 (c_finish_omp_clauses): New.
21325 (c_finish_bc_stmt): Diagnose break within omp for.
21326 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21327 (build_unary_op): Return error_mark after reporting
21329 (build_modify_expr): Likewise.
21330 * gimplify.c: Include optabs.h and pointer-set.h.
21331 (enum gimplify_omp_var_data): Declare.
21332 (struct gimplify_omp_ctx): Declare.
21333 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21335 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21336 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21337 (splay_tree_compare_decl_uid): New.
21338 (new_omp_context): New.
21339 (delete_omp_context): New.
21340 (gimple_add_tmp_var): Call omp_add_variable.
21341 (gimplify_bind_expr): Likewise.
21342 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21343 true, disregard DECL_VALUE_EXPR on the decl if any.
21344 (gimplify_expr_in_ctx): New.
21345 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21346 omp_add_variable, omp_notice_variable, omp_is_private
21347 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21348 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21349 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21350 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21351 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21352 gimplify_omp_atomic): New.
21353 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21354 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21355 OMP_CRITICAL and OMP_ATOMIC.
21356 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21357 * c-pragma.h (enum pragma_kind): Add
21358 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21359 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21360 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21361 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21362 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21363 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21364 PRAGMA_OMP_THREADPRIVATE.
21365 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21366 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21367 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21368 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21369 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21370 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21371 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21372 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21373 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21374 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21375 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21376 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21377 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21379 (struct nesting_info): Add field_map,
21380 suppress_expansion, debug_var_chain.
21381 (create_nesting_tree): Initialize them.
21382 (lookup_field_for_decl): Use field_map.
21383 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21384 (convert_local_omp_clauses): New.
21385 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21386 (walk_body): Split out of walk_function.
21387 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21388 (convert_nonlocal_reference): Handle omp statements.
21389 (convert_local_reference): Likewise.
21390 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21391 (unnest_nesting_tree): New.
21392 (lower_nested_functions): Call it.
21393 (insert_field_into_struct): Make extern.
21394 (struct walk_stmt_info): Move to tree-gimple.h.
21395 (walk_stmts): Make extern.
21396 * omp-builtins.def: New file.
21397 * tree-iterator.c (expr_only): Clarify comment.
21398 * c-common.h (pushdecl_top_level, pushdecl,
21399 build_modify_expr, build_indirect_ref,
21400 c_finish_omp_master, c_finish_omp_critical,
21401 c_finish_omp_ordered, c_finish_omp_barrier,
21402 c_finish_omp_atomic, c_finish_omp_flush,
21403 c_finish_omp_for, c_split_parallel_clauses,
21404 omp_clause_default_kind, c_omp_sharing_predetermined,
21405 c_omp_remap_decl): Declare.
21406 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21407 (OBJS-common): Add omp-low.o.
21408 (c-omp.o, omp-low.o): Add.
21409 (gimplify.o): Add dependency on $(OPTABS_H).
21410 (GTFILES): Add omp-low.c.
21411 (gt-stringpool.h): Add.
21412 * tree-cfg.c (set_bb_for_stmt): Do not update the
21413 block-to-labels map if we are currently expanding to RTL.
21414 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21416 Handle IDENTIFIER_NODE.
21417 (tree_verify_flow_info): Do not ICE when emitting error
21418 messages about invalid labels.
21419 (dump_function_to_file): Reset CFUN before emitting the body
21421 (debug_function): New.
21422 * passes.c (init_optimization_passes): Schedule
21424 * langhooks-def.h (lhd_omp_predetermined_sharing,
21425 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21427 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21428 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21429 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21430 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21431 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21432 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21433 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21434 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21435 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21436 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21437 (LANG_HOOK_DECLS): Use them.
21439 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21440 Richard Henderson <rth@redhat.com>
21441 Jakub Jelinek <jakub@redhat.com>
21442 Diego Novillo <dnovillo@redhat.com>
21444 * c-parser.c (pragma_omp_clause): Define.
21445 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21446 (c_parser_compound_statement): Likewise.
21447 (c_parser_statement): Likewise.
21448 (c_parser_pragma): Handle omp pragmas.
21449 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21450 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
21451 (c_parser_omp_clause_name, check_no_duplicate_clause,
21452 c_parser_omp_variable_list,
21453 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
21454 c_parser_omp_clause_copyprivate,
21455 c_parser_omp_clause_default,
21456 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
21457 c_parser_omp_clause_lastprivate,
21458 c_parser_omp_clause_nowait,
21459 c_parser_omp_clause_num_threads,
21460 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
21461 c_parser_omp_clause_reduction,
21462 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
21463 c_parser_omp_all_clauses, c_parser_omp_structured_block,
21464 c_parser_omp_atomic, c_parser_omp_barrier,
21465 c_parser_omp_critical, c_parser_omp_flush,
21466 c_parser_omp_for_loop, c_parser_omp_for,
21467 c_parser_omp_master, c_parser_omp_ordered,
21468 c_parser_omp_sections_scope, c_parser_omp_sections,
21469 c_parser_omp_parallel, c_parser_omp_single,
21470 c_parser_omp_construct, c_parser_omp_threadprivate): New.
21471 * c-pragma.c (init_pragma): Do omp pragma registration here.
21472 * c.opt (fopenmp): New flag.
21474 2006-01-18 Eric Christopher <echristo@apple.com>
21476 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
21477 * config/darwin.h (GOMP_SELF_SPECS): Define.
21479 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21481 * rtl.h: Remove the prototype for reg_alloc.
21483 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21486 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
21487 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
21488 sjlj and dwarf2 exception handling.
21489 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
21490 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
21491 * pa/pa.c (function_value): Treat complex and vector types as
21493 (function_arg): Likewise. Only pass scalar floats in the floating
21494 point argument registers.
21495 * pa/t-slibgcc-dwarf-ver: New file.
21496 * pa/t-slibgcc-sjlj-ver: New file.
21497 * pa/t-slibgcc-elf-ver: Delete file.
21499 2006-01-19 Alan Modra <amodra@bigpond.net.au>
21501 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
21502 unlikely_test_section_p test.
21504 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21506 * mode-switching.c (optimize_mode_switching): Make it static.
21507 * basic-block.h: Remove the prototype for
21508 optimize_mode_switching.
21510 * modulo-sched.c (sms_schedule): Make it static.
21511 * rtl.h: Remove the prototype for sms_schedule.
21513 * postreload-gcse.c (gcse_after_reload_main): Make it static.
21514 * rtl.h: Remove the prototype for gcse_after_reload_main.
21516 * reg-stack.c (reg_to_stack): Make it static.
21517 * rtl.h: Remove the prototype for reg_to_stack.
21519 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
21521 * rtl.h: Remove the prototypes for regrename_optimize and
21522 copyprop_hardreg_forward.
21524 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
21526 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
21527 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
21528 Test against the appropriate null constant for the mode.
21529 If 'fixup_overlap' is true, swap the operands if they overlap.
21530 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
21531 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
21532 alpha_split_tmode_pair and adjust for above change.
21533 * config/alpha/alpha.md (movtf_internal): Adjust call to
21534 alpha_split_tfmode_pair and rely on it to swap the operands.
21535 (movti_internal): New insn and post-reload splitter.
21536 (movti): New expander.
21538 2006-01-18 Philippe De Muyter <phdm@macqel.be>
21540 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
21543 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21545 * rtlanal.c (global_reg_mentioned_p_1,
21546 global_reg_mentioned_p): Remove.
21547 * rtl.h: Remove the prototype for global_reg_mentioned_p.
21549 * flow.c (initialize_uninitialized_subregs): Make it static.
21550 * rtl.h: Remove the prototype for
21551 initialize_uninitialized_subregs.
21553 * function.c (instantiate_virtual_regs): Make it static.
21554 * function.h: Remove the prototype for
21555 instantiate_virtual_regs.
21557 * regmove.c (regmove_optimize, combine_stack_adjustments):
21559 * rtl.h: Remove the prototypes for regmove_optimize and
21560 combine_stack_adjustments.
21562 2006-01-17 Roger Sayle <roger@eyesopen.com>
21564 * config/i386/i386.c (COSTS_N_BYTES): New macro.
21565 (size_cost): Encode costs in bytes so that a reg-reg addition is
21566 equivalent to COSTS_N_INSNS(1).
21567 (override_options): Use the size_cost.branch_cost as the default
21568 ix86_branch_cost when optimizing for size.
21570 2006-01-18 Ben Elliston <bje@au.ibm.com>
21572 * Makefile.in (D32PBIT_FUNCS): New.
21573 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
21574 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
21575 D64PBIT_FUNCS and D128PBIT_FUNCS.
21576 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
21577 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
21579 (decnumber_dep): Define.
21580 * doc/libgcc.texi (Decimal float library routines): New node.
21581 * config/dfp-bit.h, config/dfp-bit.c: New files.
21583 2006-01-18 Ben Elliston <bje@au.ibm.com>
21585 * expr.c (emit_move_change_mode): Always adjust addresses, not
21586 just during reload. Copy replacements only during reload.
21587 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
21588 emit_move_via_integer.
21590 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
21592 * Makefile.in (check-%, check-consistency): Use $${srcdir}
21593 instead of $(srcdir) and ${srcdir}.
21595 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
21598 PR middle-end/11135
21599 * arm.h (struct machine_function): Add pic_reg.
21600 * arm.c (arm_pic_register): Make unsigned.
21601 (arm_override_options): Only set arm_pic_register if
21602 TARGET_SINGLE_PIC_BASE.
21603 (use_return_insn): Only test for a pic register if it is fixed.
21604 (arm_compute_save_reg0_reg12_mask): Likewise.
21605 (thumb_compute_save_reg_mask): Likewise.
21606 (legitimate_pic_operand): Factor out some known invariants.
21607 (legitimize_pic_address): If we don't have a fixed pic register,
21608 then set up a pseudo in the function entry sequence. Handle the
21609 pic base being in a pseudo.
21610 (arm_load_pic_register): Handle the pic register being in a pseudo.
21611 (arm_expand_prologue): Only set up the pic register if it is fixed.
21612 (thumb_expand_prologue): Likewise.
21613 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
21614 (pic_load_addr_based_insn): Likewise.
21615 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
21618 2006-01-18 Ben Elliston <bje@au.ibm.com>
21620 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
21621 decimal float modes for all floating point registers.
21623 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
21624 match_code "mem" with match_test "macho_lo_sum_memory_operand".
21626 2006-01-17 Jakub Jelinek <jakub@redhat.com>
21629 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
21630 even when the pointer is not NULL.
21632 2006-01-16 Ian Lance Taylor <ian@airs.com>
21634 * common.opt (ftoplevel-reorder): New option.
21635 * cgraph.c (cgraph_asm_nodes): New global variable.
21636 (cgraph_asm_last_node): New static variable.
21637 (cgraph_order): New global variable.
21638 (cgraph_create_node): Set new order field.
21639 (cgraph_varpool_node): Likewise.
21640 (decide_is_variable_needed): Return true if not
21641 flag_toplevel_reorder.
21642 (cgraph_add_asm_node): New function.
21643 * cgraph.h (struct cgraph_node): Add order field.
21644 (struct cgraph_varpool_node): Add order field.
21645 (struct cgraph_asm_node): Define.
21646 (cgraph_asm_nodes, cgraph_order): Declare.
21647 (cgraph_add_asm_node): Declare.
21648 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
21650 (cgraph_varpool_assemble_pending_decls): Call it.
21651 (cgraph_output_pending_asms): New static function.
21652 (cgraph_finalize_compilation_unit): Call it.
21653 (struct cgraph_order_sort): Define.
21654 (cgraph_output_in_order): New static function.
21655 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
21656 !flag_toplevel_reorder case.
21657 * c-parser.c: Include "cgraph.h".
21658 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
21660 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
21661 than -fno-unit-at-a-time.
21662 * doc/invoke.texi (Option Summary): Mention
21663 -fno-toplevel-reorder.
21664 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
21665 -funit-at-a-time documentation.
21667 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
21668 Kazu Hirata <kazu@codesourcery.com>
21670 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
21672 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
21674 * Makefile.in (FUNCTION_H): New. Use it instead of
21675 function.h throughout the file.
21676 * function.h: Include tree.h.
21678 2006-01-17 Ben Elliston <bje@au.ibm.com>
21680 * recog.c: Separate some functions with whitespace.
21682 2006-01-16 Richard Henderson <rth@redhat.com>
21684 Merge from gomp branch:
21685 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
21686 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
21687 and rename from struct inline_data. Rename callee* to dst*;
21688 caller* to src*; add copy_decl hook, transform_call_graph_edges,
21689 transform_new_cfg, transform_return_to_modify, and
21690 transform_lang_insert_block flags; remove cloning_p, versioning_p,
21692 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
21693 (copy_decl_for_dup): Remove.
21694 * tree-inline.c (struct inline_data): Move to header.
21695 (insert_decl_map): Export.
21696 (remap_decl): Update for member name changes. Use copy_decl hook.
21697 Allow for replacement to be a non-decl. Remove dead code.
21698 (remap_type_1): Check for existing mapping.
21699 (remap_type): Export.
21700 (remap_decls): Update for member name changes.
21701 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
21702 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
21703 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
21704 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
21705 (tree_function_versioning, build_duplicate_type): Likewise.
21706 (copy_body_r): Likewise. Export.
21707 (copy_decl_for_dup): Split into ...
21708 (copy_decl_for_dup_finish, copy_decl_to_var,
21709 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
21710 (replace_ref_tree, inlining_p): Remove.
21712 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21714 * ifcvt.c (if_convert): Make it static.
21715 * rtl.h: Remove the prototype for if_convert.
21717 * local-alloc.c (local_alloc): Make it static.
21718 * rtl.h: Remove the prototype for local_alloc.
21720 * loop.c (loop_optimize): Make it static.
21721 * cfgloop.h: Remove the prototype for loop_optimize.
21724 2006-01-16 DJ Delorie <dj@redhat.com>
21726 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
21729 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21731 * pa.md: Disparage copies between general and floating-point registers
21732 in 32-bit move patterns.
21734 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
21737 * Makefile.in (check-%): Depend on site.exp instead of
21738 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
21741 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21743 * global.c (global_alloc): Make it static.
21744 * rtl.h: Remove the prototype for global_alloc.
21746 2006-01-16 Richard Guenther <rguenther@suse.de>
21748 * tree-ssa-alias.c (struct used_part): Add write_only field.
21749 (get_or_create_used_part_for): Initialize it to true.
21750 (create_overlap_variables_for): Don't create structure variables
21751 for structures that only are written to.
21752 (find_used_portions): Handle MODIFY_EXPR to track whether a
21753 structure is only written to.
21755 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21757 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
21759 * basic-block.h: Remove the prototype for
21760 partition_hot_cold_basic_blocks.
21762 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
21764 * cppspec.c (lang_specific_spec_functions): Remove.
21765 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
21766 * gcc.h (lang_specific_spec_functions): Remove.
21767 * gccspec.c (lang_specific_spec_functions): Remove.
21769 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
21771 * combine.c (record_value_for_reg): Invalidate registers
21773 (record_dead_and_set_regs_1): Likewise, by passing them to
21774 record_value_for_reg.
21775 (record_dead_and_set_regs): Invalidate stores made by a
21776 call. We do not combine across a call, but we still
21777 relied on equivalences.
21779 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21781 * tree-vrp.c (extract_range_from_binary_expr): Cope with
21782 vrp_int_const_binop returning non-constant nodes.
21784 2006-01-16 Paul Brook <paul@codesourcery.com>
21786 * config/m68k/m68k.c (output_move_const_into_data_reg):
21787 Output correct mnemonic for mvz and mvs.
21789 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
21791 * rtl-factoring.c: Add sequence abstraction algorithm.
21792 * cfgcleanup.c (outgoing_edges_match): Extra checks.
21793 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
21795 (block_has_preserve_label): New function.
21796 * common.opt: Register new pass.
21797 * Makefile.in: Ditto.
21799 * timevar.def: Ditto.
21800 * tree-pass.h: Ditto.
21801 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
21802 * rtl.h (make_jump_insn_raw): Add forward decl.
21803 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
21805 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21806 Roger Sayle <roger@eyesopen.com>
21808 * fold-const.c (fold_minmax): New static function.
21809 (fold_binary) <MIN_EXPR>: Call it.
21810 <MAX_EXPR>: Likewise.
21811 * stor-layout.c (place_field): Use DECL_SIZE consistently
21812 in the computation of the new record size.
21814 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21816 * cse.c (cse_condition_code_reg): Make it static.
21817 * rtl.h: Remove the prototype for cse_condition_code_reg.
21819 * combine.c (combine_instructions): Make it static.
21820 * rtl.h: Remove the prototype for combine_instructions.
21822 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21825 * tree.c (get_file_function_name_long): Concatenate the first global
21826 object name with a string derived from the input filename of the object
21829 2006-01-16 Ben Elliston <bje@au.ibm.com>
21831 * config/i386/winnt-stubs.c: Update FSF address.
21832 * config/xtensa/ieee754-df.S: Ditto.
21833 * config/xtensa/ieee754-sf.S: Ditto.
21835 2006-01-14 Ian Lance Taylor <ian@airs.com>
21837 * ifcvt.c (noce_init_if_info): New static function, broken out of
21838 noce_process_if_block.
21839 (noce_process_if_block): Call noce_init_if_info.
21840 (check_cond_move_block): New static function.
21841 (cond_move_process_if_block): New static function.
21842 (process_if_block): Call cond_move_process_if_block.
21844 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
21846 * cselib.c (hash_table): Rename to cselib_hash_table.
21847 (cselib_clear_table, discard_useless_values,
21848 remove_useless_values, cselib_lookup_mem, cselib_lookup,
21849 cselib_init, cselib_finish): Adjust uses of hash_table.
21851 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
21853 PR tree-optimization/25485
21854 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
21855 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
21856 is known to be false and true, respectively.
21858 2006-01-14 Richard Guenther <rguenther@suse.de>
21860 PR tree-optimization/22548
21861 PR tree-optimization/22555
21862 PR tree-optimization/22501
21863 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
21864 * params.def (salias-max-array-elements): New parameter.
21865 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
21866 * doc/invoke.texi (salias-max-array-elements): Document.
21867 * tree-flow-inline.h (var_can_have_subvars): We also handle
21869 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
21871 * tree-ssa-structalias.c (params.h): Include.
21872 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
21873 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
21874 (get_constraint_for): For ADDR_EXPR operating on something
21875 containing an ARRAY_REF, add all subvars to the solution.
21876 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
21877 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
21878 for creating MUST_DEFs.
21879 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
21881 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
21883 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
21885 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
21886 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
21887 number_of_iterations_le): New functions.
21888 (number_of_iterations_special): Removed.
21889 (number_of_iterations_exit): Do not use number_of_iterations_special.
21890 * tree.c (unsigned_type_for): Always return integer type.
21892 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
21893 Richard Guenther <rguenther@suse.de>
21895 PR rtl-optimization/24257
21896 * gcse.c (find_moveable_store): Only consider a store movable
21897 when the SET_SRC of the insn can be assigned to a register.
21899 2006-01-14 Ian Lance Taylor <ian@airs.com>
21901 * tree.c (tree_not_class_check_failed): New function.
21902 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
21903 (tree_not_class_check_failed): Declare.
21905 2006-01-13 Ian Lance Taylor <ian@airs.com>
21907 * reload1.c (do_output_reload): Add assertion rejecting a
21910 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
21912 * combine.c (struct reg_stat): Add new fields truncation_label and
21914 (record_value_for_reg): Reset truncated_to_mode.
21915 (record_truncated_value): New function.
21916 (check_promoted_subreg): Call it. Rename to check_conversions.
21917 (combine_instructions): Rename check_promoted_subreg to
21919 (reg_truncated_to_mode): New function.
21920 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
21921 (gen_lowpart_or_truncate): New function.
21922 (force_to_mode): Use it instead of gen_lowpart.
21924 2006-01-13 Diego Novillo <dnovillo@redhat.com>
21926 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
21927 VAR is a tag, not its type tag.
21929 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
21931 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
21932 alternatives to match style of other entries.
21933 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
21935 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
21937 PR tree-optimization/25771
21938 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
21941 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
21944 * tree-inline.c (declare_return_variable): If the return variable
21945 was marked as a non gimple complex, set the return slot variable
21946 to be a non gimple comple variable.
21948 2006-01-13 Richard Guenther <rguenther@suse.de>
21950 * builtins.c (expand_builtin_sincos): New function.
21951 (expand_builtin_mathfn_3): Remove dead code, sin and cos
21953 (expand_builtin): Expand sincos using expand_builtin_sincos.
21955 2006-01-12 DJ Delorie <dj@redhat.com>
21957 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
21958 shift counts, separate SI shifts for m32c vs m16c, pass shift type
21959 so that constant shifts can be split.
21960 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
21961 (m32c_valid_pointer_mode): Make static.
21962 (shift_gen_func_for): New.
21963 (m32c_prepare_shift): Use it. Split large const shifts into
21965 * config/m32c/predicates.md (shiftcount_operand): Allow more
21967 (longshiftcount_operand): New.
21968 * doc/md.texi (Machine Constraints): Document In6.
21970 2006-01-13 Ben Elliston <bje@au.ibm.com>
21972 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
21973 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
21976 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
21978 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
21979 to try to avoid clobbering pieces of structures when we know
21980 something about the whole structure.
21981 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
21983 2006-01-13 Ben Elliston <bje@au.ibm.com>
21985 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
21986 return in memory, as this is no limitation is no longer present.
21988 2006-01-12 DJ Delorie <dj@redhat.com>
21990 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
21991 mova with fb, and for fb+0 -> An.
21993 * config/m32c/mov.md (peephole2): Fix enabling logic.
21995 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
21996 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
21997 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
21998 FINI_ARRAY_SECTION_ASM_OP): Define.
22000 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22002 (m32c_legitimize_reload_address): New logic to reload FB to An.
22003 (m32c_output_reg_push): Add newline.
22004 (m32c_output_reg_pop): Likewise.
22006 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
22008 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22010 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
22012 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22014 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22016 * config/sh/predicates.md (sh_rep_vec): Add parallel to
22019 2006-01-11 Ben Elliston <bje@au.ibm.com>
22021 * rtlanal.c (find_reg_note): Assert insn is not null.
22023 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22025 * df-scan.c (df_hard_reg_init): Move declaration of i outside
22028 2006-01-11 Jeff Law <law@redhat.com>
22030 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22032 (mark_threaded_blocks, register_jump_thread): New functions.
22033 (thread_through_all_blocks): Remove unwanted argument. No
22034 longer rely on e->aux to communicate thread target info.
22035 Call mark_threaded_blocks. Release the threaded_blocks
22036 bitmap and threaded_edges vector when complete.
22037 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22038 (threaded_blocks): Remove.
22039 (tree_ssa_dominator_optimize): Remove initialization and
22040 finalization of threaded_blocks. Simplify call to
22041 thread_through_all_blocks.
22042 (thread_across_edge): Call register_jump_thread rather than
22043 storing thread information into e->aux.
22044 (free_all_edge_infos): Simplify now that e->aux is no longer
22045 used to communicate with thread_through_all_blocks.
22046 * tree-flow.h (thread_through_all_blocks): Update prototype.
22047 (register_jump_thread): Prototype.
22049 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22051 * df-core.c (df_compact_blocks, df_bb_replace): Use
22052 SET_BASIC_BLOCK instead of BASIC_BLOCK.
22054 2006-01-11 Richard Guenther <rguenther@suse.de>
22056 PR tree-optimization/25734
22057 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22058 stop propagation after successful propagation to the LHS.
22060 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22062 * basic-block.h (control_flow_graph): Change the type of
22063 x_basic_block_info to VEC(basic_block,gc) *.
22064 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22066 (SET_BASIC_BLOCK): New.
22067 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22068 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22069 * cfgbuild.c (find_basic_blocks): Likewise.
22070 * cfglayout.c (fixup_reorder_chain): Likewise.
22071 * cfgrtl.c (create_basic_block_structure,
22072 rtl_create_basic_block): Likewise.
22073 * ifcvt.c (find_if_case_1): Likewise.
22074 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22077 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22079 * Makefile.in: Removed rotted odf.c entry.
22081 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
22084 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22085 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22086 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22087 output pattern modifier, not %e.
22088 * config/cris/cris.c (cris_op_str): Update comment about pattern
22090 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
22091 before falling through into...
22092 <case 'E'>: Redefined from old 'e' case.
22094 2006-01-11 Jan Hubicka <jh@suse.cz>
22097 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
22099 2006-01-11 Jan Hubicka <jh@suse.cz>
22101 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
22102 * i386.c (x86_decompose_lea): Kill.
22103 (ix86_rtx_costs): Kill.
22105 2006-01-11 Jan Hubicka <jh@suse.cz>
22107 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
22108 * cgraph.h (cgraph_node): Add inline_decl.
22109 (cgraph_insert_node_to_hashtable): Declare.
22110 (save_inline_function_body): Declare.
22111 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
22113 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
22114 (cgraph_function_versioning): Update call of tree_function_versioning.
22115 (save_inline_function_body): New function.
22116 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
22117 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
22118 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
22119 (cgraph_default_inline_p): Likewise.
22120 (cgraph_decide_inlining_incrementally): Likewise.
22121 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
22122 (copy_bb): Kill saving; do updating of clones.
22123 (copy_cfg_body): Kill saving.
22124 (initialize_inlined-parameters): Likewise.
22125 (expand_call_inline): Likewise.
22127 (tree_function_versioning): New parameter "update_clones".
22128 (inlining_p): Kill saving.
22129 * tree-inline.h (tree_function_versioning): Update prototype.
22130 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
22133 2006-01-11 Ian Lance Taylor <ian@airs.com>
22135 * combine.c (struct undo): Remove is_int. Enumify types of undos.
22136 Allow undoing set of machine mode.
22137 (do_SUBST): Use enums instead of is_int.
22138 (do_SUBST_MODE): New function.
22139 (SUBST_MODE): New macro.
22140 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
22141 reg and trying to replace reg_regno_rtx with a new register.
22142 (undo_all): Use new enums, handle undoing a PUT_MODE change.
22143 (simplify_set): Use SUBST_MODE.
22144 (distribute_notes): Remove code that tried to update reg notes
22145 for regno_reg_rtx changes.
22147 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
22149 PR tree-optimization/23109
22150 PR tree-optimization/23948
22151 PR tree-optimization/24123
22153 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
22154 * tree-cfg.c (single_noncomplex_succ): New.
22155 * tree-flow.h (single_noncomplex_succ): Declare it.
22156 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22157 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22158 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
22159 insert_bb, register_division_in, insert_reciprocals,
22160 replace_reciprocal, free_bb): New.
22161 (execute_cse_reciprocals_1): Rewritten.
22162 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
22163 Do not commit any edge insertion. Always compute dominators and
22164 create the allocation pool.
22165 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
22166 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
22167 * targhooks.c (default_min_divistions_for_recip_mul): New.
22168 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
22169 * passes.c (init_optimization_passes): Run recip after tree loop
22171 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
22173 2006-01-11 Danny Berlin <dberlin@dberlin.org>
22174 Kenneth Zadeck <zadeck@naturalbridge.com>
22176 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
22177 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
22178 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
22179 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
22180 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
22181 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
22182 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
22183 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
22184 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
22185 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
22186 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
22187 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
22188 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
22189 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
22190 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
22191 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
22192 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
22193 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
22194 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
22195 DF_SCAN_POST_ALLOC): New macros.
22196 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
22197 df_free_bb_function, df_local_compute_function, df_init_function,
22198 df_dataflow_function, df_confluence_function_0,
22199 df_confluence_function_n, df_transfer_function,
22200 df_finalizer_function, df_free_function, df_dump_problem_function,
22201 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
22202 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
22203 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
22204 df_urec_bb_info, ) New types.
22205 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
22207 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
22208 df_analyze_simple_change_some_blocks,
22209 df_analyze_simple_change_one_block, df_compact_blocks,
22210 df_bb_replace, df_bb_regno_last_use_find,
22211 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
22212 df_insn_regno_def_p, df_find_def, df_find_use,
22213 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
22214 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
22215 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
22216 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
22217 debug_df_chain, df_get_dependent_problem, df_chain_create,
22218 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
22219 df_grow_bb_info, df_chain_dump, df_print_bb_index,
22220 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
22221 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
22222 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
22223 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
22224 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
22225 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
22226 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
22227 df_ref_remove, df_insn_refs_delete, df_refs_delete,
22228 df_reorganize_refs, df_set_state, df_hard_reg_init,
22229 df_read_modify_subreg_p) New public functions.
22230 * df-core.c: The core dataflow solver and glue routines for rtl
22232 (df_init, df_add_problem, df_set_blocks, df_finish,
22233 df_hybrid_search_forward, df_hybrid_search_backward,
22234 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
22235 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
22236 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
22237 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
22238 df_reg_defined, df_find_use, df_reg_used, df_dump,
22239 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22240 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22241 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22242 debug_df_useno, reset_df_after_reload): New functions.
22243 * df-scan.c: The scanning fuctions, once in df.c, completely
22244 rewritten so that they now fully model the functionality of
22245 register usage at the backend.
22246 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22247 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22248 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22249 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22250 df_get_artificial_defs, df_get_artificial_uses,
22251 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22252 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22253 df_refs_delete, df_reorganize_refs, df_set_state,
22254 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22255 df_def_record_1, df_defs_record, df_uses_record,
22256 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22257 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22258 df_record_exit_block_uses, df_hard_reg_init): New functions.
22260 * df-problems.c: Seven concrete dataflow problems that use the
22261 scanning in df-scan.c and are solved by the engine in df-core.c.
22262 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22263 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22264 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22265 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22266 df_ru_free_bb_info, df_ru_alloc,
22267 df_ru_bb_local_compute_process_def,
22268 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22269 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22270 df_ru_transfer_function, df_ru_free, df_ru_dump,
22271 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22272 df_rd_free_bb_info, df_rd_alloc,
22273 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22274 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22275 df_rd_transfer_function, df_rd_free, df_rd_dump,
22276 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22277 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22278 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22279 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22280 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22281 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22282 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22283 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22284 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22285 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22286 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22287 df_urec_mark_reg_use_for_earlyclobber,
22288 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22289 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22290 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22291 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22292 df_chain_create_bb_process_use, df_chain_create_bb,
22293 df_chain_finalize, df_chain_free, df_chains_dump,
22294 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22295 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22296 df_reg_lifetime): New functions.
22297 * df.c: Deleted file.
22298 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22299 consistent with new df api.
22300 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22301 rest_of_handle_sms): Ditto.
22302 * web.c (unionfind_union, union_defs, entry_register, web_main):
22304 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22305 invariant_expr_equal_p, find_defs, check_dependencies,
22306 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22307 free_inv_motion_data, move_loop_invariants): Ditto.
22308 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22309 Update dependencies.
22310 (odf.c): Added defective entry that was deleted later in day.
22311 * sched-deps.c (sched_analyze_1): Ditto.
22313 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22315 * tree-ssa-operands.c (get_expr_operands): Record addressable
22316 variables directly. Do not call add_stmt_operands for CONST_DECLs
22318 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22319 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22321 2006-01-11 Ben Elliston <bje@au.ibm.com>
22323 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22324 function returns true in the positive case.
22326 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22329 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22330 for SI, DI, SF and DF modes. Add alternatives to copy between
22331 general and floating point registers to the 32-bit patterns.
22332 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22333 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22334 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22335 generating 64-bit code.
22336 * config/pa/pa.c (output_move_double): Handle copies between general
22337 and floating registers.
22339 2006-01-10 Stuart Hastings <stuart@apple.com>
22341 * config/i386/i386.md (set_got): Update.
22342 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22343 (builtin_setjmp_receiver): Mach-O support.
22344 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22345 (GOT_SYMBOL_NAME): Define.
22346 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22347 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22348 * config/i386/i386.c (override_options): Revise for Darwin.
22349 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22350 support. (darwin_x86_file_end): New. (output_set_got): Add label
22351 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22352 * config/i386/i386-protos.h (output_set_got): Likewise.
22353 * config/darwin.c (machopic_legitimize_pic_address): Update
22356 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22358 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22359 when MODE isn't BLKmode.
22361 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22363 PR rtl-optimization/25367
22364 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22366 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22369 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22370 for a negative bound.
22372 2006-01-10 Richard Guenther <rguenther@suse.de>
22374 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22375 Never override with anything constraint.
22377 2006-01-10 Jan Beulich <jbeulich@novell.com>
22379 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22380 256 bits when optimize_size.
22382 2006-01-10 Jan Beulich <jbeulich@novell.com>
22384 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22386 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22387 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22390 2006-01-10 Ben Elliston <bje@au.ibm.com>
22392 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22394 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22395 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22396 (USE_FP_FOR_ARG): Reject decimal float modes.
22397 (function_arg_advance): Likewise.
22398 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22399 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22400 point types in AltiVec vectors.
22401 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22402 (rs6000_libcall_value): Likewise.
22404 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22406 * config/xtensa/ieee754-df.S: New file.
22407 * config/xtensa/ieee754-sf.S: New file.
22408 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22409 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22410 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22412 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22414 * config/sh/predicates.md (binary_float_operator,
22415 binary_logical_operator, commutative_float_operator,
22416 equality_comparison_operator, greater_comparison_operator,
22417 less_comparison_operator, logical_operator,
22418 noncommutative_float_operator, shift_operator,
22419 symbol_ref_operand, unary_float_operator): Remove redundant
22422 2006-01-09 Jeff Law <law@redhat.com>
22424 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22425 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22426 now unused arguments. Callers updated.
22427 (eliminate_redundant_computations): Remove now unused arguments,
22429 (local_fold): Remove, no longer used.
22430 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22432 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22433 (simplify_cond): New function.
22434 (forward_propagate_into_cond): Call simplify_cond.
22436 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22438 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22439 (*vec_extractv2di_1_sse): New.
22441 2006-01-09 Ben Elliston <bje@au.ibm.com>
22443 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22445 2006-01-08 Richard Guenther <rguenther@suse.de>
22447 * tree-ssa-structalias.c (get_constraint_for): Remove
22448 anyoffset argument.
22449 (get_constraint_for_component_ref): Likewise.
22450 (do_deref): Likewise.
22451 (get_constraint_for): Likewise.
22452 (do_structure_copy): Likewise.
22453 (handle_ptr_arith): Likewise.
22454 (find_func_aliases): Likewise. Remove unused need_anyoffset
22457 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
22458 Kaz Kojima <kkojima@gcc.gnu.org>
22460 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
22461 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
22462 (EXTRA_CONSTRAINT_C16): Remove.
22463 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
22464 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
22465 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
22466 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
22467 constants of SHmedia. Handle nested constant expressions of
22469 (andcosts): Fix the costs for SHmedia constants.
22470 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
22471 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
22472 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
22473 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
22474 (movv4hi_i, movv2si_i): Likewise.
22475 (movsi_const): Adjust the second operand of ior so to match with
22476 the Csu constraint.
22477 (movdi_const, movdi_const_32bit): Likewise.
22478 (movdi_const_16bit+1): Don't sign-extend LOW.
22479 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
22481 (*double_shori): Fix the split condition. Use GEN_INT instead
22482 of get_int_mode calls. Mask lower 16-bit of the argument of
22484 (sym2GOTPLT): Remove.
22485 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
22487 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
22488 instead of EXTRA_CONSTRAINT_C16.
22490 2006-01-07 Ian Lance Taylor <ian@airs.com>
22491 David Edelsohn <edelsohn@gnu.org>
22493 PR rtl-optimization/25662
22494 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
22495 for constant operands instead of simplify_gen_binary.
22496 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
22497 after trying simplify_binary_operation
22499 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
22501 * tree.c (iterative_hash_expr): Hash decls based on UID.
22503 2006-01-06 Eric Christopher <echristo@apple.com>
22505 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
22506 (TARGET_UNWIND_EMIT): Fix spelling.
22507 * target.h (gcc_target): Add except_table_label.
22508 * except.c (output_function_exception_table): Use.
22509 * varasm.c (default_emit_except_table_label): New.
22510 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
22512 (asm_out): Add here.
22513 * output.h (default_emit_except_table_label): Prototype.
22514 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
22515 * config/darwin.c (darwin_emit_except_table_label): Define.
22516 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
22518 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
22520 PR tree-optimization/18527
22521 * tree-ssa-loop-niter.c (number_of_iterations_cond,
22522 number_of_iterations_special, number_of_iterations_exit):
22523 Move base and step of an iv to a single structure. Add
22524 no_overflow flag, and use it in # of iterations analysis.
22525 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
22526 folded_casts argument.
22527 (simple_iv): Pass base and step in a structure. Set no_overflow
22529 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
22530 Evaluate expensiveness of computing # of iterations instead of
22531 the final expression.
22532 * tree-scalar-evolution.h (affine_iv): New structure.
22533 (simple_iv): Declaration changed.
22534 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
22535 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
22536 find_givs_in_stmt): Changed due to simple_iv change.
22538 2006-01-06 Jeff Law <law@redhat.com>
22541 * tree-cfg.c (bsi_replace): Rename final argument from
22542 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
22543 change (stmt -> orig_stmt).
22544 * tree-eh.c (verify_eh_throw_stmt_node): New function.
22545 (bsi_remove): Add new argument. Remove EH information
22547 (verify_eh_throw_table_statements): New function.
22548 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
22550 * tree-optimize.c (execute_free_cfg_annotations): Verify
22551 the EH throw statement table after removing annotations.
22552 * except.h (verify_eh_throw_table_statements): Prototype.
22553 * tree-flow.h (bsi_remove): Update prototype.
22554 * tree-vrp.c (remove_range_assertions): Add new argument to
22556 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
22557 * tree-complex.c (expand_complex_div_wide): Likewise.
22558 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
22559 * tree-tailcall.c (eliminate_tailcall): Likewise.
22560 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
22561 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
22562 * tree-nrv.c (tree_nrv): Likewise.
22563 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
22564 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
22565 (combine_blocks): Likewise.
22566 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
22567 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
22568 (cleanup_control_flow): Likewise.
22569 (remove_forwarder_block): Likewise.
22570 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
22571 * tree-sra.c (sra_replace): Likewise.
22572 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
22573 (forward_propagate_single_use_vars): Likewise.
22574 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
22575 * tree-inline.c (expand_call_inline): Likewise.
22576 * tree-vect-transform.c (vect_transform_loop): Likewise.
22577 * tree-outof-ssa.c (rewrite_trees): Likewise.
22578 * tree-cfg.c (make_goto_expr_edges): Likewise.
22579 (cleanup_dead_labels): Likewise.
22580 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
22581 (bsi_move_before, bsi_move_after): Likewise.
22582 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
22583 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
22585 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
22588 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
22590 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
22591 on non gimple variables. Also add checks at the top for decls and
22593 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
22595 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
22596 and IMAGPART_EXPR for creating MUST_DEFs.
22597 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
22598 and NAME_MEMORY_TAG separately from the DECLs.
22600 2006-01-06 Richard Guenther <rguenther@suse.de>
22602 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
22603 annotation, if necessary.
22604 * tree-ssa-pre.c (create_expression_by_pieces): Remove
22605 redundant calls to update_stmt.
22606 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
22609 2006-01-05 Richard Henderson <rth@redhat.com>
22611 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
22613 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22615 * c-typeck.c: Update copyright date.
22617 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22619 * c-typeck.c (build_c_cast): Always warn when casting
22620 from a pointer to an integer of different size, even if
22621 the node was constant.
22623 2006-01-05 Richard Guenther <rguenther@suse.de>
22625 PR tree-optimization/22555
22626 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
22627 if one structure field is an array.
22628 * tree-ssa-operands.c (get_expr_operands): Continue scanning
22629 operands even if we found a subvar, but ignore VOPs in this
22631 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
22633 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
22635 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
22637 PR middle-end/24998
22638 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
22640 2006-01-05 Richard Guenther <rguenther@suse.de>
22641 Diego Novillo <dnovillo@redhat.com>
22643 * tree-pass.h (TODO_remove_unused_locals): Define.
22644 * gimple-low.c (expand_var_p, remove_useless_vars,
22645 pass_remove_useless_vars): Remove. Update all users.
22646 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
22647 (remove_unused_locals): New function.
22648 * tree-flow.h (remove_unused_locals): Declare.
22649 * passes.c (execute_todo): Call remove_unused_locals if
22650 TODO_remove_unused_locals is set.
22651 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
22652 * tree-ssa-dce.c (pass_dce): Likewise.
22653 * tree-outof-ssa.c (pass_del_ssa): Likewise.
22655 2006-01-05 Richard Guenther <rguenther@suse.de>
22657 * tree-flow.h (struct fieldoff): Decompose field to
22658 type, size and decl.
22659 * tree-ssa-alias.c (create_sft): Take type as parameter.
22660 (create_overlap_variables_for): Store type, size and decl
22661 in the fieldoff structure.
22662 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
22663 of struct fieldoff.
22664 (push_fields_onto_fieldstack): Likewise.
22665 (create_variable_info_for): Likewise. Use offset for the
22666 SFT name if the decl is not available.
22668 2006-01-04 Paul Brook <paul@codesourcery.com>
22670 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
22672 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
22674 * lambda-code.c (can_put_in_inner_loop): Relax
22676 (can_put_after_inner_loop): New function.
22677 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
22678 (perfect_nestify): Change to make copies and modify uses.
22680 2006-01-04 Richard Henderson <rth@redhat.com>
22682 Merge from gomp branch:
22683 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
22684 via integer constant.
22685 (pragma_lex): Remove.
22686 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
22687 rather than parsing it.
22688 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
22689 handle_pragma_extern_prefix): Add %< %> quotes.
22690 (registered_pragmas): New.
22691 (c_register_pragma_1): New.
22692 (c_register_pragma): Use it.
22693 (c_register_pragma_with_expansion): Likewise.
22694 (c_invoke_pragma_handler): New.
22695 (init_pragma): Use cpp_register_deferred_pragma directly for
22697 * c-pragma.h (enum pragma_kind): New.
22698 (pragma_handler): New.
22699 (c_invoke_pragma_handler): Declare.
22700 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
22702 * c-common.h (c_common_pch_pragma): Update decl.
22703 * Makefile.in (c-parser.o): Update dependencies.
22704 (GTFILES): Add c-pragma.h.
22705 * c-parser.c (struct c_token): Add pragma_kind.
22706 (struct c_parser): Add in_pragma.
22707 (c_lex_one_token): Always initialize keyword and pragma_kind.
22708 Extract data for CPP_PRAGMA.
22709 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
22710 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
22711 Don't allow CPP_PRAGMA_EOL if in_pragma.
22712 (c_parser_consume_pragma): New.
22713 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
22714 (c_parser_skip_to_end_of_parameter): Likewise.
22715 (c_parser_skip_to_end_of_block_or_statement): Likewise.
22716 (c_parser_skip_to_pragma_eol): New.
22717 (c_parser_external_declaration): Handle CPP_PRAGMA.
22718 (c_parser_compound_statement_nostart): Likewise.
22719 (c_parser_statement_after_labels): Likewise.
22720 (c_parser_pragma): New.
22721 (pragma_lex): Likewise.
22722 (c_parser_pragma_pch_preprocess): New.
22723 (c_parser_new): Merge into ...
22724 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
22726 2006-01-04 Jeff Law <law@redhat.com>
22729 * tree-cfg.c (bsi_replace): Remove the original statement
22730 from the EH throw statement table.
22732 2006-01-04 Jakub Jelinek <jakub@redhat.com>
22734 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
22735 make the prototype extern "C" and add throw ().
22738 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
22739 and pos non-negative and pos + len <= 32.
22740 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
22741 drop pos + len < HOST_BITS_PER_WIDE_INT test.
22742 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
22745 * c-common.c (handle_vector_size_attribute): Reject zero vector size
22746 as well as sizes not multiple of component size.
22749 * function.c (instantiate_expr): New function.
22750 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
22751 walk its DECL_VALUE_EXPR with instantiate_expr.
22753 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
22754 DW_OP_deref{,_size} if address isn't going to be added.
22756 2006-01-04 Ben Elliston <bje@au.ibm.com>
22758 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
22759 * config/fp-bit.c: Likewise.
22761 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
22763 * dominance.c: Add comment about why we use DFS numbering
22766 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22767 Richard Henderson <rth@redhat.com>
22769 Merge from gomp-branch:
22770 * varasm.c (assemble_variable): Handle thread-local COMMON data.
22771 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
22773 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
22775 PR rtl-optimization/25578
22776 * combine.c (combine_simplify_rtx, force_to_mode): Don't
22777 pass a parameter to simplify_shift_const if changing ASHIFTRT
22780 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
22782 * builtins.c (get_builtin_sync_mem): New function.
22783 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
22784 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
22785 Call get_builtin_sync_mem to generate mem rtx.
22787 2006-01-03 Richard Guenther <rguenther@suse.de>
22790 * stmt.c (add_case_node): Make sure to clear overflow flags
22793 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22795 Merge from gomp-branch.
22796 * config/sparc/sync.md: New file.
22797 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
22798 UNSPECV_LDSTUB): New constants.
22799 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
22800 * config/sparc/predicates.md (memory_reg_operand): New predicate.
22801 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
22804 2006-01-03 Roger Sayle <roger@eyesopen.com>
22806 * combine.c (reg_subword_p): New predicate to test whether the
22807 destination of a set refers to a subword/piece of a register.
22808 (try_combine): Generalize the code to merge the setting of a
22809 pseudo to a constant followed by a set of a subword of that
22810 register to a constant.
22812 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
22814 * basic-block.h (control_flow_graph): Change the type of
22815 x_label_to_block_map to VEC(basic_block,gc) *.
22816 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
22817 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
22819 * tree-ssa-propagate.c (cfg_blocks): Change the type to
22820 VEC(basic_block,heap) *.
22821 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
22822 ssa_prop_fini): Adjust the uses of cfg_blocks.
22824 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
22826 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
22828 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
22829 hashing trees instead of a pointer hash.
22830 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
22831 compare for MEM_EXPR.
22833 PR rtl-optimization/25130
22834 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
22835 when comparing MEMs for GCSE
22837 2006-01-03 Ben Elliston <bje@au.ibm.com>
22839 * targhooks.h (default_decimal_float_supported_p): Declare.
22840 * targhooks.c (default_decimal_float_supported_p): Define.
22841 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
22842 `default_decimal_float_supported_p'.
22843 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
22845 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
22847 * combine.c (apply_distributive_law <SUBREG>): Check
22848 TRULY_NOOP_TRUNCATION.
22850 2006-01-02 Geoffrey Keating <geoffk@apple.com>
22852 * dwarf2out.c (have_switched_text_section): Delete.
22853 (have_multiple_function_sections): New.
22854 (have_location_lists): Make 'bool'.
22855 (add_AT_loc_list): Use 'true' not '1'.
22856 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
22857 (output_loc_list): Use have_multiple_function_sections.
22858 (output_ranges): Likewise.
22859 (dwarf2out_begin_function): Set have_multiple_function_sections if
22861 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
22862 Check function_section rather than DECL_SECTION_NAME.
22863 (dwarf2out_finish): Use have_multiple_function_sections.
22864 Don't clear have_location_lists.
22866 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
22867 Jan Hubicka <jh@suse.cz>
22869 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
22870 case of conditional jump jumping to the next instruction.
22871 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
22872 cases of conditional jump jumping to the next instruction.
22874 2006-01-02 Jan Hubicka <jh@suse.cz>
22876 * i386.c (*_cost): Add COSTS_N_INSNS.
22877 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
22879 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
22882 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
22884 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
22886 * config/arm/arm.c (all_fpus): Fix comment typo.
22887 * config/darwin.c: Likewise.
22888 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
22889 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
22890 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
22892 2006-01-01 David Edelsohn <edelsohn@gnu.org>
22894 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
22895 (rs6000_split_compare_and_swapqhi): New.
22896 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
22897 (sync_compare_and_swapqhi_internal): New.
22898 * config/rs6000/rs6000-protos.h: Declare.