1 2006-12-13 Uros Bizjak <ubizjak@gmail.com>
3 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
4 (FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
5 (REG_ALLOC_ORDER): Remove one element due to removal of dir register.
6 (FRAME_POINTER_REGNUM): Update register number to 20.
7 (REG_CLASS_CONTENTS): Update contents due to removed dir register.
8 (HI_REGISTER_NAMES): Remove "dirflag".
10 * config/i386/i386.c (regclass_map): Remove dirflag entry.
11 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
13 (ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
15 * config/i386/i386.md (R10_REG, R11_REG): Renumber.
16 (sse_prologue_save, *sse_prologue_save_insn): Renumber
17 hardcoded SSE register numbers.
19 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
20 hardcoded MMX register numbers.
23 2006-12-13 Mark Shinwell <shinwell@codesourcery.com>
25 * config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
26 FLDMX. Rename function to...
27 (vfp_output_fldmd): ...this.
28 (vfp_output_fstmx): Output FSTMD instead of FSTMX. Rename
30 (vfp_output_fstmd): ...this.
31 (vfp_emit_fstmx): Don't leave space in the frame layout for the
32 FSTMX format word. Rename function to...
33 (vfp_emit_fstmd): ...this.
34 (arm_get_vfp_saved_size): Don't add in space for the FSTMX format
36 (arm_output_epilogue): Adjust comment to reflect use of FSTMD.
37 (arm_unwind_emit_sequence): Don't compensate for the FSTMX format
38 word. Also emit "vsave" assembler directives in such cases rather
40 * config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
41 gnu_Unwind_Save_VFP): Adjust comments.
42 (gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
43 for saving and restoring using FSTMD and FLDMD rather than
45 (gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
46 New functions for saving and restoring the VFPv3 registers 16 .. 31.
47 * config/arm/pr-support.c (gnu_unwind_execute): Add conditional
48 compilation case to correctly handle unwind opcode 0xc8 when using
50 * config/arm/unwind-arm.c (struct vfpv3_regs): New.
51 (DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
52 (__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
53 __gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
55 (restore_non_core_regs): Restore registers using FLDMD rather than
56 FLDMX if required. Also handle restoration of VFPv3 registers.
57 (_Unwind_VRS_Pop): Handle saving and restoring of registers using
58 FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
59 including cases where the caller specifies a range of registers
60 that overlaps the d15/d16 boundary.
62 2006-12-13 Diego Novillo <dnovillo@redhat.com>
65 * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
66 accomodate 511 operands.
68 2006-12-13 Richard Guenther <rguenther@suse.de>
70 * builtins.c (expand_builtin_cexpi): Fix typo.
72 2006-12-13 Jan Hubicka <jh@suse.cz>
74 * Makefile.in: Add dependencies.
75 * tree-pretty-print.c: Include value-prof.h
76 (dump_generic_bb_buff): Dump histograms
77 * value-prof.c: Include pointer-set.h
78 (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
79 set_histogram_value, gimple_histogram_value,
80 gimple_add_histogram_value, gimple_remove_histogram_value,
81 gimple_histogram_value_of_type, dump_histogram_value,
82 dump_histograms_for_stmt, gimple_remove_stmt_histograms,
83 gimple_duplicate_stmt_histograms, visit_hist,
84 verify_histograms): New functions.
85 (tree_value_profile_transformations): Update for new histogram API.
86 (tree_divmod_fixed_value): Update for new histogram API.
87 (tree_divmod_fixed_value_transform): Update for new histogram API.
88 (tree_mod_pow2): Update for new histogram API.
89 (tree_mod_pow2_value_transform): Update for new histogram API.
90 (tree_mod_subtract): Update for new histogram API.
91 (tree_mod_subtract_transform): Update for new histogram API.
92 (tree_stringops_transform): Update for new histogram API.
93 (tree_divmod_values_to_profile): Update for new histogram API.
94 (tree_stringops_values_to_profile): Update for new histogram API.
95 (tree_find_values_to_profile): Update for new histogram API.
96 * value-prof.h (gimple_histogram_value): Declare.
97 (gimple_histogram_value_of_type): Declare.
98 (gimple_add_histogram_value): Declare.
99 (gimple_remove_histogram_value): Declare.
100 (dump_histograms_for_stmt): Declare.
101 (gimple_remove_histogram_value): Declare.
102 (gimple_remove_stmt_histograms): Declare.
103 (gimple_duplicate_stmt_histograms): Declare.
104 (verify_histograms): Declare.
106 (struct funrction): Add value_histograms hash.
107 (VALUE_HISTOGRAMS): New macro.
108 * profile.c (compute_value_histograms): update for new API.
109 * tree-inline.c: Include value-prof.h
110 (copy_bb): Update histograms.
111 * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
112 reorder to get smaller memory layout.
113 * tree-cfg.c: Include value-prof.h
114 (bsi_remove): Update histograms.
115 (bsi_replace): Update histograms.
116 (verify_stmts): Call histogram verifier.
117 (tree_duplicate_bb): Update histograms.
118 (move_block_to_fn): Update histograms.
120 2006-12-13 Richard Guenther <rguenther@suse.de>
122 * ipa-inline.c (cgraph_flatten_node): Replace leafify with
124 (cgraph_decide_inlining): Likewise.
126 2006-12-13 Richard Guenther <rguenther@suse.de>
128 PR tree-optimization/17687
129 * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
130 New builtins for imaginary argument cexp.
131 * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
132 BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
133 New required builtin types.
134 * builtins.c (expand_builtin_cexpi): Declare.
135 (mathfn_built_in): Handle BUILT_IN_CEXPI.
136 (expand_builtin_cexpi): New static helper.
137 (expand_builtin): Call it.
138 (do_mpfr_sincos): Adjust for CEXPI evaluation.
139 (fold_builtin_sincos): New function to fold sincos to cepxi.
141 2006-12-13 Richard Guenther <rguenther@suse.de>
143 * ipa-reference.c (scan_for_static_refs): Also scan
144 tcc_comparison class trees.
146 2006-12-12 David Daney <ddaney@avtrex.com>
148 * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
151 2006-12-12 Andrew Pinski <pinskia@gmail.com>
153 * tree-vect-transform.c (vect_permute_load_chain):
154 Set DECL_GIMPLE_REG_P to true for the vect_perm_*
157 2006-12-13 Sa Liu <saliu@de.ibm.com>
158 Ben Elliston <bje@au.ibm.com>
160 * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
161 (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
162 * config/spu/spu-protos.h (spu_c_common_override_options):
164 * config/spu/spu-c.c (spu_c_common_override_options): New.
165 * config/spu/spu.c (spu_override_options): Whitespace fix.
167 2006-12-12 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
169 * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
171 2006-12-12 Geoffrey Keating <geoffk@apple.com>
173 * mips-tdump.c: Replace CROSS_COMPILE with
174 CROSS_DIRECTORY_STRUCTURE.
175 * mips-tfile.c: Likewise.
177 * configure.ac: Likewise.
178 * cppdefault.c: Likewise.
179 * Makefile.in: Likewise.
180 * config/alpha/osf.h: Likewise.
181 * config/i386/cygwin.h: Likewise.
182 * config/i386/beos-elf.h: Likewise.
183 * config/i386/nto.h: Likewise.
184 * config/fr30/fr30.h: Likewise.
185 * config/svr4.h: Likewise.
186 * config/rs6000/aix.h: Likewise.
187 * config/rs6000/sysv4.h: Likewise.
188 * config/pa/pa64-hpux.h: Likewise.
189 * config/pa/pa-hpux10.h: Likewise.
190 * config/pa/pa-hpux11.h: Likewise.
191 * collect2.c: Likewise.
192 * configure: Regenerate.
194 * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
195 actually takes an unsigned HOST_WIDE_INT for its second parameter.
197 2006-12-13 Ulrich Weigand <uweigand@de.ibm.com>
199 * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
200 (spu_encode_section_info): New.
201 * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
202 (SYMBOL_FLAG_ALIGN1): New.
204 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
207 * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
208 bitmap for EXECUTE_IF_SET_IN_BITMAP.
210 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
213 * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
214 (DECL_GIMPLE_REG_P): This.
215 * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
217 * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
218 * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
219 and check for VECTOR_TYPE.
220 * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
222 * tree-flow-inline.h (var_can_have_subvars): Use the renamed
224 * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
225 and check for VECTOR_TYPE.
226 (gimplify_bind_expr): Likewise.
227 (gimplify_function_tree): Likewise.
228 * expmed.c: Include target.h.
229 (extract_bit_field): For vector mode, try find a better mode first.
230 If that fails use gen_lowpart (for vectors only).
231 * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
232 and check for VECTOR_TYPE.
233 * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
234 (insert_into_preds_of_block): Likewise.
235 (insert_fake_stores): Create gimple register store_tmps for
237 * tree-sra.c (sra_elt): New field, is_vector_lhs.
238 (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
239 are the left hand side, set the element's is_vector_lhs to true.
240 (instantiate_element): For vector types which were on the left
241 hand size, set DECL_GIMPLE_REG_P to false.
242 * tree-nested.c (create_tmp_var_for): Use the renamed DECL_GIMPLE_REG_P. * tree-inline.c (declare_return_variable): Use the renamed
244 and check for VECTOR_TYPE.
245 (copy_decl_to_var): Use the renamed DECL_GIMPLE_REG_P.
246 (copy_result_decl_to_var): Likewise.
247 * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
248 create a gimple register variable.
249 (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
250 vect_inter_* temp variables.
251 * Makefile.in (expmed.o): Update dependencies.
253 2006-12-12 Peter Bergner <bergner@vnet.ibm.com>
255 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
256 the offset == 0 "then" clauses.
257 * config/rs6000/predicates.md (gpc_reg_operand): Check for
260 2006-12-12 Marcin Dalecki <martin@dalecki.de>
262 * doc/passes.texi: remove docs about "redundant PHI removal".
263 * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
264 remove redundant pass_partition_blocks declaration.
266 2006-12-12 Andrew Macleod <amacleod@redhat.com>
268 PR tree-optimization/30159
269 * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
270 functions in case a default_def coalesce is required.
272 2006-12-12 Jakub Jelinek <jakub@redhat.com>
275 * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
277 * config/ia64/linux.h (CPP_SPEC): Define.
278 * config/s390/linux.h (CPP_SPEC): Define.
280 2006-12-12 Jim Wilson <wilson@specifix.com>
281 Jakub Jelinek <jakub@redhat.com>
283 PR rtl-optimization/27761
284 * combine.c (try_combine): Don't create a useless garbage SET
285 if PATTERN (i2) is a PARALLEL. If added_sets_1, save
286 PATTERN (i1) resp. SET from i1src to i1dest in i1pat
287 and use it to prevent accidental modification of i1src.
289 2006-12-12 Ira Rosen <irar@il.ibm.com>
291 * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
292 for stores with gaps.
293 * tree-vect-transform.c (vect_permute_store_chain): Create
294 interleave_high or interleave_low according to the endianess.
296 2006-12-12 Richard Guenther <rguenther@suse.de>
299 * fold-const.c (fold_read_from_constant_string): Only fold read
300 from constant string if the result type is integer.
302 2006-12-12 Olivier Hainque <hainque@adacore.com>
304 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
306 2006-12-12 Olivier Hainque <hainque@adacore.com>
308 * config/vxlib.c: Extract tls related routines into ...
309 * config/vxlib-tls.c: New file.
310 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
312 2006-12-12 Sa Liu <saliu@de.ibm.com>
313 Ben Elliston <bje@au.ibm.com>
315 * config/spu/spu.opt (mfixed-range): New option.
316 * config/spu/spu.h (spu_fixed_range_string): Declare.
317 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
318 (fix_range): New function.
319 * doc/invoke.texi (SPU Options): Document -mfixed-range.
320 * testsuite/gcc.target/spu/fixed-range.c: New.
321 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
323 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
327 * cgraphunit.c (cgraph_optimize): Remove call to
328 process_pending_assemble_externals.
330 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
332 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
334 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
335 (ia64_hpux_add_extern_decl): Removed.
336 (ia64_hpux_file_end): Likewise.
337 (extern_func_list): Likewise.
338 (extern_func_head): Likewise.
340 * output.h (assemble_external): Update comments.
341 (default_elf_asm_output_external): New.
342 (maybe_assemble_visibility): New.
344 * toplev.c (compile_file): Update comment.
346 * varasm.c (assemble_external): Always put it on
347 pending_assemble_externals.
348 (maybe_assemble_visibility): Make it extern and return int.
349 (default_elf_asm_output_external): New.
351 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
353 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
354 can't handle the pointer arithmetic.
356 2006-12-11 Diego Novillo <dnovillo@redhat.com>
358 * doc/tree-ssa.texi: Update documentation for virtual operands
359 and the use of push_stmt_changes/pop_stmt_changes.
360 * doc/invoke.texi: Remove documentation for params
361 global-var-threshold.
362 Update documentation on max-aliased-vops.
364 * tree-into-ssa.c: Cleanup comments, variables and
365 spacing in various functions.
366 (regs_to_rename): Declare.
367 (mem_syms_to_rename): Declare.
368 (dump_update_ssa): Declare.
369 (debug_update_ssa): Declare.
370 (dump_names_replaced_by): Declare.
371 (debug_names_replaced_by): Declare.
372 (dump_def_blocks): Declare.
373 (debug_def_blocks): Declare.
374 (dump_defs_stack): Declare.
375 (debug_defs_stack): Declare.
376 (dump_currdefs): Declare.
377 (debug_currdefs): Declare.
378 (mark_def_sites): Do not handle virtual operands.
379 (compute_idf): Rename from find_idf. Update users.
380 (register_new_def): Make local. Convert second argument
382 Use BLOCK_DEFS_STACK directly.
383 If pushing a non-register, also push the underlying
385 (rewrite_stmt): Do not handle virtual operands.
386 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
387 dump_currdefs and dump_tree_ssa_stats.
388 (dump_tree_ssa_stats): Also dump REPL_TBL.
389 (replace_use): Remove. Update all users to call SET_USE
391 (rewrite_blocks): Move code to free memory to
393 (mark_def_site_blocks): Move initialization code to
395 (init_ssa_renamer): New.
396 (fini_ssa_renamer): New.
397 (rewrite_into_ssa): Call them.
398 (prepare_block_for_update): Process SSA_OP_ALL_USES first
399 and SSA_OP_ALL_DEFS later. Do not process virtual
401 (dump_update_ssa): Call dump_decl_set.
402 (init_update_ssa): Initialize regs_to_rename and
404 Call init_ssa_renamer.
405 (delete_update_ssa): Call fini_ssa_renamer.
406 Free blocks_with_phis_to_rewrite.
407 (mark_sym_for_renaming): If the variable has
408 sub-variables, also mark them.
409 If the variable belongs to a partition, also mark it.
410 (mark_set_for_renaming): Call mark_sym_for_renaming on
411 every symbol in the set.
412 (switch_virtuals_to_full_rewrite): Call
413 mark_set_for_renaming.
414 (update_ssa): Separate syms_to_rename into regs_to_rename
415 and mem_syms_to_rename.
417 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
418 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
419 (debug_generic_stmt): Likewise.
420 (debug_tree_chain): Likewise.
422 (dump_generic_node): Check for TDF_MEMSYMS.
423 Handle MEMORY_PARTITION_TAG.
424 If the statement references memory and TDF_MEMSYMS is
425 given, call dump_symbols.
426 Indicate default names with (D).
427 (dump_vops): Update for new virtual operator format.
429 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
430 tree_contains_struct.
431 (tree_code_size): Handle MEMORY_PARTITION_TAG.
432 (tree_node_structure): Likewise.
433 (needs_to_live_in_memory): Handle SSA names.
434 * tree.h (MTAG_P): Likewise.
435 (struct tree_memory_partition_tag): Declare.
436 (MPT_SYMBOLS): Define.
437 (union tree_node): Add field 'mpt'.
438 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
439 * tree.def (MEMORY_PARTITION_TAG): Define.
441 * tree-pass.h (TDF_MEMSYMS): Define.
443 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
445 * tree-ssa-alias.c: Include pointer-set.h
446 (struct alias_map_d): Remove fields total_alias_vops,
447 grouped_p and may_aliases. Update all users.
448 (struct mp_info_def): Declare.
449 (mp_info_t): New type.
450 (get_smt_for): Rename from get_tmt_for. Update all
452 (add_may_alias): Add argument ALREADY_ADDED. If given,
453 use it to avoid adding duplicate entries to alias sets.
454 (replace_may_alias): Remove. Update all users.
455 (total_alias_vops_cmp): Remove. Update all users.
456 (group_aliases_into): Remove. Update all users.
457 (tree_pointer_compare): Remove. Update all users.
458 (compact_name_tags): Remove. Update all users.
459 (group_aliases): Remove. Update all users.
460 (mark_non_addressable): Move from tree-flow-inline.h.
461 Remove the symbol from the partition holding it, if
464 (debug_mp_info): New.
466 (create_partition_for): New.
467 (rewrite_alias_set_for): New.
468 (compute_memory_partitions): New.
469 (compute_may_aliases): Call it.
470 (init_alias_info): If computing aliases for the first
471 time, mark every memory symbol for renaming.
472 (have_common_aliases_p): New.
473 (compute_flow_insensitive_aliasing): Call it.
474 (setup_pointers_and_addressables): Do not cache
476 For register promoted symbols, mark their former
477 partition for renaming.
478 (maybe_create_global_var): Only create .GLOBAL_VAR if
479 there are no call-clobbered variables and a mix of pure
480 and non-pure functions were found.
481 (may_alias_p): Tidy comments.
482 (create_tag_raw): Remove unused variable new_type.
483 (dump_alias_info): call dump_memory_partitions.
484 (dump_points_to_info_for): Call dump_decl_set.
485 (may_be_aliased): Tidy comments and formatting.
487 * timevar.def (TV_MEMORY_PARTITIONING): Define.
488 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
489 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
491 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
492 * tree-vect-transform.c (vect_transform_loop): Call
493 mark_set_for_renaming with vect_memsyms_to_rename.
494 * tree-flow-inline.h (zero_imm_uses_p): New.
495 (memory_partition): New.
496 (set_memory_partition): New.
497 (factoring_name_p): New.
498 (symbol_mem_tag): New. Update every function that used
499 to access the annotation directly.
500 (set_symbol_mem_tag): Likewise.
502 * tree-ssa-copy.c (may_propagate_copy): Allow copies
503 between a partition and a symbol as long as the symbol
504 belongs to the partition.
505 (merge_alias_info): Ignore merge requests when memory
506 partitions are involved.
508 * tree-ssa.c (verify_ssa_name): Check that default
509 definitions have empty defining statements.
510 (verify_use): Remove argument IS_VIRTUAL.
511 Don't call verify_ssa_name.
512 (verify_phi_args): Call verify_ssa_name.
513 (verify_flow_insensitive_alias_info): Handle MPTs.
514 (verify_flow_sensitive_alias_info): Likewise.
515 (verify_name_tags): Likewise.
516 (verify_call_clobbering): Likewise.
517 (verify_ssa): Check for VOPs only after aliasing
518 information is available.
519 Check virtuals and real operands separately.
520 Call verify_ssa_name on every operand.
521 (stmt_references_memory_p): Move to tree-ssa-operands.c.
522 (walk_use_def_chains_1): Guard against NULL PHI
525 * tree-ssa-operands.c (stmt_references_memory_p): Move from
528 (dump_memory_partitions): New.
529 (debug_memory_partitions): New.
531 * tree-flow.h (struct var_ann_d): Add field mpt.
532 (struct stmt_ann_d): Add bitfield references_memory.
533 * Makefile.in (tree-ssa-structalias.o): Include
535 (tree-ssa-alias.o): Likewise.
536 * tree-ssa-structalias.c: (update_alias_info): Use
537 STORED_SYMS to determine which variables are being
538 written to by the store operation.
539 * tree-ssa-structalias.h (struct alias_info)
540 <total_alias_vops>: Remove. Update all users.
541 <written_vars>: Change to a pointer set. Update all
543 <dereferenced_ptrs_store>: Likewise.
544 <dereferenced_ptrs_load>: Likewise.
545 (NUM_REFERENCES): Remove. Update all users.
546 (NUM_REFERENCES_CLEAR): Remove. Update all users.
547 (NUM_REFERENCES_INC): Remove. Update all users.
548 (NUM_REFERENCES_SET): Remove. Update all users.
550 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
552 (PARAM_MAX_ALIASED_VOPS): Set to 10.
553 * tree-ssanames.c (make_ssa_name): Initialize
554 SSA_NAME_IS_DEFAULT_DEF to 0.
556 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
558 * tree-ssa-dse.c (aggregate_vardecl_d): New.
559 (dse_global_data): Add aggregate_vardecl field.
560 (dse_possible_dead_store_p): New.
561 Add prev_defvar variable.
562 Allow immediate uses and previous immediate uses to differ
563 if they are setting different parts of the whole.
564 (get_aggregate_vardecl): New.
565 (dse_record_partial_aggregate_store): New.
566 (dse_whole_aggregate_clobbered_p): New.
567 (dse_partial_kill_p): New.
568 (dse_optimize_stmt): Abstract code checking a possible dead store
569 into new function dse_possible_dead_store_p().
570 Call dse_maybe_record_aggregate_store().
571 When checking whether a STMT and its USE_STMT refer to the
572 same memory address, check also for partial kills that clobber
574 Move some variable definitions to the block where they are used.
575 (aggregate_vardecl_hash): New.
576 (aggregate_vardecl_eq): New.
577 (aggregate_vardecl_free): New.
578 (aggregate_whole_store_p): New.
579 (tree_ssa_dse): Initialize and free aggregate_vardecl.
580 Mark which aggregate stores we care about.
582 2006-12-11 Andrew Macleod <amacleod@redhat.com>
584 * tree-ssa-operands.h (struct vuse_element_d): Declare.
585 (vuse_element_t): Declare.
586 (struct vuse_vec_d): Declare.
587 (vuse_vec_p): Declare.
588 (VUSE_VECT_NUM_ELEM): Define.
589 (VUSE_VECT_ELEMENT_NC): Define.
590 (VUSE_ELEMENT_PTR_NC): Define.
591 (VUSE_ELEMENT_VAR_NC): Define.
592 (VUSE_VECT_ELEMENT): Define.
593 (VUSE_ELEMENT_PTR): Define.
594 (VUSE_ELEMENT_VAR): Define.
595 (struct maydef_optype_d) <use_var>: Remove.
598 (struct vuse_optype_d) <kill_var>: Remove.
601 (struct mustdef_optype_d) <kill_var>: Remove.
604 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
605 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
608 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
609 (MAYDEF_OP): Add argument. Use VUSE_OP.
610 (MAYDEF_NUM): Define.
611 (MAYDEF_VECT): Define.
612 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
613 (MUSTDEF_KILL): Use VUSE_OP.
614 (MUSTDEF_NUM): Define.
615 (MUSTDEF_VECT): Define.
616 (realloc_maydef): Declare.
617 (realloc_vuse): Declare.
618 (struct ssa_operand_iterator_d) <vuse_index>: Add.
620 (LOADED_SYMS): Define.
621 (STORED_SYMS): Define.
622 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
623 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
625 * tree-pretty-print.c: Likewise.
626 * tree-ssa-dse.c: Likewise.
627 * tree-flow-inline.h: Likewise.
628 (op_iter_next_mustdef): New.
629 * tree-ssa-operands.c: Likewise.
630 (ALLOC_OPTYPE): Remove.
636 (alloc_mustdef): New.
637 (realloc_maydef): New.
640 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
642 * tree-ssa-operands.c: Remove build_v_must_defs.
643 (init_ssa_operands): Delete build_v_must_defs.
644 (finalize_ssa_v_must_def_ops): Remove.
645 (finalize_ssa_v_must_defs): Remove.
646 (finalize_ssa_stmt_operands): Do not call
647 finalize_ssa_v_must_defs.
648 (start_ssa_stmt_operands): Do not check build_v_must_defs.
649 (append_v_must_def): Delete.
650 (copy_virtual_operands): Do not copy V_MUST_DEFs.
651 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
652 comment. Remove opf_kill_def.
653 (build_ssa_operands): Remove references to v_must_defs.
654 (copy_virtual_operands): Same.
655 (copy_virtual_operands): Same.
656 (fini_ssa_operands): Same.
657 (free_ssa_operands): Same.
658 (add_mustdef_op): Remove.
659 Remove mustdef_optype_p.
660 (alloc_mustdef): Remove.
661 Remove references to V_MUST_DEFs in comment at top of file.
662 (get_expr_operands): Remove opf_kill_def.
663 (opf_kill_def): Remove.
664 (add_virtual_operand): Remove opf_kill_def.
665 (get_indirect_ref_operands): Same.
666 (get_tmr_operands): Same.
668 * tree-vectorizer.c (rename_variables_in_bb): Remove
671 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
673 (check_loop_closed_ssa_stmt): Same.
675 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
677 (verify_ssa): Remove V_MUST_DEFs traces.
678 (verify_ssa): Remove SSA_OP_ALL_KILLS.
680 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
682 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
683 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
685 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
687 (MUSTDEF_OPS): Remove.
688 (SSA_OP_VMUSTDEF): Remove.
689 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
690 (struct mustdef_optype_d): Remove.
691 Remove mustdef_optype_p.
692 (struct stmt_operands_d): Remove mustdef_ops.
693 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
694 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
695 (MUSTDEF_RESULT_PTR): Remove.
696 (MUSTDEF_RESULT): Remove.
697 (MUSTDEF_KILL_PTR): Remove.
698 (MUSTDEF_KILL): Remove.
699 (MUSTDEF_NUM): Remove.
700 (MUSTDEF_VECT): Remove.
701 (SSA_OP_VIRTUAL_KILLS): Remove.
702 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
703 (SSA_OP_VMUSTKILL): Remove.
704 (SSA_OP_ALL_KILLS): Remove.
705 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
707 * tree-flow-inline.h (op_iter_init_def): Remove
708 SSA_OP_VIRTUAL_KILLS.
709 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
711 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
712 SSA_OP_VIRTUAL_KILLS.
714 * tree-ssa-loop-im.c (determine_max_movement): Remove
715 SSA_OP_VIRTUAL_KILLS.
716 (gather_mem_refs_stmt): Same.
717 (gather_mem_refs_stmt): Same.
719 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
720 (perform_tree_ssa_dce): Remove call to
721 mark_really_necessary_kill_operand_phis.
723 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
725 (op_iter_next_use): Do not check mustkills.
726 (op_iter_next_def): Do not check mustdefs.
727 (op_iter_next_tree): Do not check mustkills or mustdefs.
728 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
729 (op_iter_next_maymustdef): Do not check mustkills.
730 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
731 (op_iter_init_mustdef): Remove.
733 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
736 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
738 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
739 (visit_assignment): Same.
741 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
743 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
745 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
747 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
748 Remove kill_p variable.
750 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
751 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
752 (collect_dfa_stats_r): Do not set num_v_must_defs.
753 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
756 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
759 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
760 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
762 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
765 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
767 PR rtl-optimization/30113
768 * loop-iv.c (implies_p): Require the mode of the operands to be
771 2006-12-11 Diego Novillo <dnovillo@redhat.com>
773 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
774 Rename from create_ssa_artficial_load_stmt. Update all users.
775 * tree-into-ssa.c (register_new_def): Make static.
776 * tree.c (is_global_var): Handle SSA_NAMEs.
777 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
778 that used to call gimple_default_def.
779 * tree-ssa-operands.c (push_stmt_changes): New.
780 (pop_stmt_changes): New. Update every pass that modifies
781 statements to bracket modifications with
782 push_stmt_changes/pop_stmt_changes.
783 (discard_stmt_changes): New.
784 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
785 'tree *' instead of 'tree'. Update all users.
786 * tree-flow-inline.h (zero_imm_uses_p): New.
787 (symbol_mem_tag): New. Update every function that used
788 to access the annotation directly.
789 (set_symbol_mem_tag): Likewise.
790 * tree-dfa.c (dump_variable): Always show the escape mask.
791 (mark_symbols_for_renaming): Rename from
792 mark_new_vars_to_rename. Update all users.
793 Only mark to rename naked symbols in real and virtual
796 2006-12-11 Andreas Schwab <schwab@suse.de>
798 * varasm.c (elf_record_gcc_switches): Cast second argument of
799 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
801 2006-12-11 Diego Novillo <dnovillo@redhat.com>
803 * tree-scalar-evolution.c (scev_const_prop):
804 * tree-phinodes.c (remove_phi_node): Add argument
805 RELEASE_LHS_P. If given, release the SSA name on the LHS of
808 * tree-ssa-dce.c: Remove forward declarations for static
809 functions. Re-arrange functions bodies as needed.
810 (find_obviously_necessary_stmts): Never mark PHI nodes as
813 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
815 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
817 2006-12-11 Jan Hubicka <jh@suse.cz>
819 * value-prof.c (tree_stringops_transform): New.
820 (tree_value_profile_transformations): Require count to be non-zero;
821 call stringop transform; reset stmt BSI after BB changed.
822 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
823 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
824 (tree_stringops_values_to_profile): New.
825 (tree_values_to_profile): Call tree_stringops_values_to_profile.
826 * tree.h (build_string_literal): Tidy prototype.
827 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
829 * builtins.c (validate_arglist, builtin_memset_read_str,
830 get_pointer_alignment): Export.
832 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
836 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
838 * config/i386/i386.opt: New target option -mx87regparm.
840 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
841 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
842 (X87_REGPARM_MAX): Define.
844 * config/i386/i386.c (override_options): Error out for
845 -mx87regparm but no 80387 support.
846 (ix86_attribute_table): Add x87regparm.
847 (ix86_handle_cconv_attribute): Update comments for x87regparm.
848 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
849 (ix86_function_x87regparm): New function.
850 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
852 (init_cumulative_args): Initialize x87_nregs and float_in_x87
854 (function_arg_advance): Process x87_nregs and x87_regno when
855 floating point argument is to be passed in 80387 register.
856 (function_arg): Pass XFmode arguments in 80387 registers for local
857 functions. Pass SFmode and DFmode arguments to local functions
858 in 80387 registers when flag_unsafe_math_optimizations is set.
860 * reg-stack.c (convert_regs_entry): Disable NaN load for
861 stack registers that are used for argument passing.
863 * doc/extend.texi: Document x87regparm function attribute.
864 * doc/invoke.texi: Document -mx87regparm.
866 2006-12-11 Jan Hubicka <jh@suse.cz>
868 Move all varpool routines out of cgraph/cgraphunit to varpool.c
869 * cgraph.c: Update comments.
870 (cgraph_varpool_hash,
871 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
872 cgraph_varpool_node_name, cgraph_varpool_node,
873 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
874 cgraph_variable_initializer_availability): Move to
875 varpool.c and drop cgraph_ prefixes.
876 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
877 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
878 move to varpool.c; drop cgraph_ prefix; make static.
879 (dump_cgraph_varpool_node): Move to varpool.c under name
881 (dump_varpool, hash_varpool_node, eq_varpool_node,
882 decide_is_variable_needed): Move to varpool.c
883 (decl_assembler_name_equal): Move to tree.c.
884 (availability_names): Rename to ...
885 (cgraph_availability_names): ... this one.
886 (dump_cgraph_node): Update.
887 * cgraph.h: Reorder declarations now in varpool.c
888 (cgraph_vailablity_names): Declare.
889 (struct cgraph_varpool_node): Rename to ...
890 (struct varpool_node): ... this one.
891 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
892 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
893 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
894 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
895 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
896 cgraph_variable_initializer_availability): Rename to ...
897 (varpool_first_unanalyzed_node, varpool_nodes_queue,
898 varpool_first_unanalyzed_node, varpool_node,
899 varpool_node_for_asm, varpool_mark_needed_node,
900 varpool_finalize_decl, varpool_enqueue_needed_node,
901 varpool_assemble_pending_decls, variable_initializer_availability):
903 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
904 * tree.h (decl_assembler_name_equal): Declare.
905 * omp-low.c (lower_omp_critical): Update.
906 * ipa-reference (analyze_variable, static_execute): Likewise.
907 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
908 * cgraphunit.c: Update comments.
909 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
910 varpool_assembled_nodes_queue.
911 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
912 varpool_analyze_pending_decls.
913 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
914 varpool_remove_unreferenced_decls.
915 (record_reference): Update.
916 (cgraph_create_edges): Update.
917 (record_referneces_in_initializer): New function.
918 (cgraph_varpool_assemble_decl): Move to varpool.c under name
919 varpool_assemble_decl; make global.
920 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
921 varpool_assemble_pending_decls.
922 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
923 struct cgraph_order_sort, cgraph_output_in_order,
924 cgraph_function_and_variable_invisibility, cgraph_optimize,
925 cgraph_increase_alignment): Update.
926 * dwarf2out.c (decls_for_scope): Likewise.
927 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
928 * except.c (output_ttype): Likewise.
929 * varasm.c (mark_decl_referenced): Likewise.
930 (find_decl_and_mark_referenced, assemble_alias): update.
931 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
932 * passes.c (rest_of_decl_compilation): Update.
934 2006-12-11 Ira Rosen <irar@il.ibm.com>
936 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
938 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
939 (vect_setup_realignment): Likewise.
941 2006-12-11 Sa Liu <saliu@de.ibm.com>
942 Ben Elliston <bje@au.ibm.com>
944 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
945 (ENDFILE_SPEC): Likewise.
946 * config/spu/spu.opt (mstdmain): New option.
947 * config/spu/crti.asm: Remove.
948 * config/spu/crtn.asm: Likewise.
949 * config/spu/crt0.c: Likewise.
950 * config/spu/crtend.c: Likewise.
951 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
953 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
954 * doc/invoke.texi (SPU Options): Document -mstdmain.
956 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
958 * doc/loop.texi: Document number_of_latch_executions and
959 number_of_cond_exit_executions.
960 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
961 chrec_is_positive, number_of_iterations_for_all_loops,
962 scev_const_prop): Use number_of_latch_executions.
963 (set_nb_iterations_in_loop): Do not increase the value of the
964 number of iterations.
965 (number_of_iterations_in_loop): Renamed to ...
966 (number_of_latch_executions): ... this.
967 (number_of_exit_cond_executions): New function.
968 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
970 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
971 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
972 number_of_latch_executions.
973 * tree-data-ref.c (get_number_of_iters_for_loop): Use
974 number_of_exit_cond_executions.
975 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
976 * cfgloop.h (struct loop): Improve description of the nb_iterations
979 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
981 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
982 (tree_pointer_compare): Remove.
984 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
986 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
987 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
988 * tree-loop-linear.c (linear_transform_loops): Ditto.
989 * tree-ssa-loop-im.c (determine_lsm): Ditto.
990 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
991 free_numbers_of_iterations_estimates): Ditto.
992 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
993 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
994 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
995 * modulo-sched.c (sms_schedule): Ditto.
996 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
997 tree_unroll_loops_completely): Ditto.
998 * predict.c (predict_loops): Ditto.
999 * tree-if-conv.c (main_tree_if_conversion): Ditto.
1000 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1001 decide_unrolling_and_peeling): Ditto.
1002 * cfgloopmanip.c (unloop): Use delete_loop.
1003 (place_new_loop): Access larray vector instead of parray.
1004 (create_preheaders, force_single_succ_latches,
1005 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
1006 * loop-doloop.c (doloop_optimize_loops): Ditto.
1007 * loop-invariant.c (move_loop_invariants): Ditto.
1008 * tree-cfg.c (replace_uses_by): Ditto.
1009 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
1010 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1012 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1014 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
1015 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
1016 get_loop and get_chrec_loop.
1017 (number_of_iterations_for_all_loops): Use number_of_loops.
1018 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
1019 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
1020 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1022 * tree-chrec.c (evolution_function_is_invariant_rec_p,
1023 chrec_convert_1): Use get_loop and get_chrec_loop.
1024 * loop-init.c (loop_optimizer_init): Use number_of_loops.
1025 (loop_optimizer_init): Use FOR_EACH_LOOP.
1026 * tree-vectorizer.c (vect_loops_num): Removed.
1027 (vectorize_loops): Store number of loops locally. Use
1028 FOR_EACH_LOOP and get_loop.
1029 * tree-vectorizer.h (vect_loops_num): Removed.
1030 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1031 (find_data_references_in_loop): Do not set parallel_p.
1032 * tree-data-ref.h: Do not declare VEC(loop_p).
1033 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1034 verify_loop_structure): Use FOR_EACH_LOOP.
1035 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1036 (initialize_loops_parallel_p): Removed.
1037 (flow_loops_find): Push the loops into a vector.
1038 (delete_loop): New function.
1039 (cancel_loop): Use delete_loop.
1040 * cfgloop.h: Declare VEC(loop_p).
1041 (struct loop): Remove parallel_p field.
1042 (struct loops): Replace num and parray field by larray vector.
1043 Remove shared_headers field.
1044 (delete_loop): Declare.
1045 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
1046 FOR_EACH_LOOP): New.
1047 * doc/loop.tex: Document new accessor functions.
1049 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
1051 * common.opt (-ftree-lrs): Remove live range splitting option.
1052 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1053 * opts.c (decode_options): Remove flag_tree_live_range_split.
1054 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1055 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
1056 * tree-outof-ssa.c: Remove header files which aren't needed.
1057 (SSANORM_*): Remove flags.
1058 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1059 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1060 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1061 (assign_vars): Use Basevar instead of root_var structure.
1062 (replace_def_variable): Dont do anything if def is replaceable.
1063 (remove_ssa_form): Integrate functional changes.
1064 (rewrite_out_of_ssa): Remove live-range_split option.
1065 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1066 (coalesce_cost): Calculate the cost of a coalesce.
1067 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1068 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1069 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1070 (pop_best_coalesce): Remove the best coalesce from the list.
1071 (coalesce_pair_map_hash): Calculate coalesce pair hash.
1072 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1073 (create_coalesce_list): Create a coalesce list object.
1074 (delete_coalesce_list): Free a coalesce list object.
1075 (find_coalesce_pair): Find matching pair in the coalesce list.
1076 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1077 (add_coalesce): Add a coalesce to the coalesce list.
1078 (compare_pairs): Comparision function to determine pair sorted order.
1079 (num_coalesce_pairs): Number of coalesced pairs.
1080 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1081 Coalesce pair iterator functions.
1082 (sort_coalesce_list): Sort coalesce pairs in order of expense.
1083 (dump_coalesce_list): Show coalesce list.
1084 (ssa_conflicts_new): Create an SSA conflict graph.
1085 (ssa_conflicts_delete): Delete an SSA conflict graph.
1086 (ssa_conflicts_test_p): Test for conflicts.
1087 (ssa_conflicts_add_one): Add a single conflict.
1088 (ssa_conflicts_add): Add a conflict pair.
1089 (ssa_conflicts_merge): Merge conflicts.
1090 (struct live_track_d): Struct for tracking live partitions.
1091 (new_live_track): Create new live_track object.
1092 (delete_live_track): Delete a live_track object.
1093 (live_track_remove_partition): Remove a partition from the live list.
1094 (live_track_add_partition): Add a partition from the live list.
1095 (live_track_clear_var): Take VAR from the live list.
1096 (live_track_live_p): Is var live?
1097 (live_track_process_use): Make var come alive.
1098 (live_track_process_def): Make var go dead, add conflicts.
1099 (live_track_init): Initialize to a live on exit set.
1100 (live_track_clear_base_vars): Clear live partitions.
1101 (build_ssa_conflict_graph): Build a conflict graph.
1102 (print_exprs): Common debug output routine.
1103 (abnormal_corrupt): Output info about a failed coalesce across an
1105 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1106 (create_outofssa_var_map): Create a var map and coalesce list.
1107 (attempt_coalesce): Coalesce a pair.
1108 (coalesce_partitions): Coalesce all pairs in a coalesce list.
1109 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
1110 * tree-ssa-live.c: Remove header files which aren't needed.
1111 (var_map_base_init): New. Initialize a basevar list.
1112 (var_map_base_fini): New. Finish a basevar list.
1113 (init_var_map): Initialize new fields.
1114 (delete_var_map): Free new fields.
1115 (var_union): Use renamed fields.
1116 (compact_var_map): Remove.
1117 (partition_to_view_init): Use renamed fields, change order of an if.
1118 (partition_view_fini): Use renamed fields.
1119 (partition_view_normal): Create basevar list if requested.
1120 (partition_view_bitmap): Create a view based on a bitmap of partitions.
1121 (change_partition_var): Use renamed fields.
1122 (create_ssa_var_map): Remove.
1123 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1124 root_var_init): Remove.
1125 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1126 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1127 compare_pairs, num_coalesce_pairs, first_partition_pair,
1128 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1129 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1130 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1131 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1132 (dump_var_map): Use renamed fields.
1133 * tree-ssa-live.h (struct _var_map): Modify fields.
1134 (partition_to_var, version_to_var, var_to_partition): Use renamed
1136 (basevar_index): New. Index of the base variable of a partition.
1137 (num_basevars): New. Number of unique base variables in partition map.
1138 (register_ssa_partition): Use renamed fields.
1139 (struct tree_partition_associator_d): Remove.
1140 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1141 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1142 root_var, root_var_first_partition, root_var_next_partition,
1143 root_var_dump, root_var_delete, root_var_remove_partition,
1144 root_var_find, root_var_compact, root_var_decompact): Remove.
1145 (struct partition_pair, struct coalesce_list_d): Moved to
1147 * tree-ssa-ter.c: Remove header files which aren't needed.
1149 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
1151 * cse.c: (struct cse_basic_block_data): Remove LAST field.
1152 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
1154 (cse_visited_basic_blocks): New static bitmap.
1155 (cse_end_of_basic_block, cse_basic_block): Remove.
1156 (cse_find_path, cse_dump_path, cse_prescan_path,
1157 cse_extended_basic_block): New static functions.
1158 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
1159 basic block boundaries. Don't record jump equivalences here.
1160 Update the CFG after doing in-place replacement of the SET_SRC.
1161 (cse_main): Rewrite. Look for extended basic block headers
1162 and call cse_extended_basic_block on them until all paths that
1163 start at this header are exhausted.
1164 (rest_of_handle_cse): Verify that the CFG is incrementally updated
1165 and correct after cse_main.
1166 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
1167 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
1168 (pass_cse): Add TODO_verify_flow.
1169 (pass_cse2): Likewise.
1171 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
1173 * reload1.c (choose_reload_regs): Don't set byte offset when
1174 resolving subregs of hard regs.
1176 2006-12-09 Zack Weinberg <zackw@panix.com>
1178 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
1179 suitable for the language, if set_yydebug is true.
1180 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
1181 YYDEBUG or declare yydebug.
1182 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
1184 2006-12-09 Jan Hubicka <jh@suse.cz>
1186 * cgraph.c: Update copyright.
1187 * cgraph.h: Likewise
1188 (cgraph_update_pending_function): Remove prototype.
1189 * cgraphunit.c: Update copyright; update overall comment.
1190 (cgraph_assemble_pending_functions): Make local.
1192 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1194 * haifa-sched.c (schedule_block): Remove excessive sanity check.
1196 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1198 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
1200 (cpat_const_p, gen_cpat_const): Add.
1201 * config/spu/spu.c (immediate_class): New enum.
1202 (cpat_info, classify_immediate): New.
1203 (print_operand): Use S, D, T instead of F, G, H. Use
1204 classify_immediate. Handle cpat cases.
1205 (spu_split_immediate): Renamed from spu_split_address. Split all
1206 immediates that can be split.
1207 (immediate_load_p): Use classify_immediate.
1208 (spu_legitimate_constant_p): Accept everything except some cases of
1210 (spu_expand_move): Use spu_split_immedate.
1211 (fsmbi_const_p): Use classify_immediate.
1212 (cpat_const_p): New.
1213 (gen_cpat_const: New.
1214 * config/spu/constraints.md (j,k,l): New constraints for cpat
1216 * config/spu/spu.md (unnamed splitter): Change address splitter to
1217 handle all immediates.
1218 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
1220 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
1223 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1226 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
1227 patterns. Correct length of high:DI instruction sequence.
1229 2006-12-08 Mike Stump <mrs@apple.com>
1231 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
1232 libgcc with -mmacosx-version-min=10.4.
1233 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
1234 G4 for 10.5+ unless doing kernel builds.
1236 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
1239 * reg-stack.c (convert_regs_entry): Mark current argument passing
1242 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
1243 of float arguments in x87 registers.
1245 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
1247 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
1249 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
1251 * recog.c (mode_dependent_address_p): Identify pre-increment,
1252 pre-decrement, post-increment and post-decrement addressing as always
1253 being mode-dependent.
1254 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
1255 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1256 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
1257 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1258 PRE_INC and POST_INC checks.
1259 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1260 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1261 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1262 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1263 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1264 PRE_INC, POST_DEC and POST_INC cases.
1265 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1266 Delete POST_INC and PRE_DEC cases.
1267 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1269 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1270 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1272 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1273 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1274 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
1275 PRE_INC and PRE_DEC cases.
1276 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1277 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1278 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1279 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1280 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1281 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
1282 auto-increment cases.
1283 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
1284 auto-increment cases.
1285 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1287 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
1289 * Makefile.in: Add new file tree-ssa-ter.c.
1290 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
1291 free_temp_expr_table, add_value_to_version_list,
1292 add_value_to_partition_list, remove_value_from_partition_list,
1293 add_dependence, check_replaceable, finish_expr, mark_replaceable,
1294 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
1295 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
1296 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
1298 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
1299 (struct value_expr_d): Remove.
1300 (struct temp_expr_table_d): Rename fields, add explicit vector of
1301 replaceable expressions instead of sharing. Change value_expr_p's to
1302 bitmap. Delete free_list.
1303 (new_temp_expr_table): Rename fields, count number of ssa_names in
1305 (free_temp_expr_table): Rename field, free new fields.
1306 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1307 add_info_to_list, remove_value_from_list): Delete.
1308 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1309 (make_dependent_on_partition): New. Set bit in version list, allocating
1310 a bitmap if need be.
1311 (add_to_partition_kill_list): New. Set bit in the partition list,
1312 allocating a bitmap if need be.
1313 (remove_from_partition_kill_list): New. Remove a bit from the
1314 partition list, free the bitmap if it is empty.
1315 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1316 on partitions with only one member.
1317 (is_replaceable_p): New. Split out replaceability check from
1319 (process_replaceable): New. Code split from check_replaceable.
1320 (check_replaceable): Removed.
1321 (finished_with_expr): Renamed from finish_expr.
1322 (kill_expr): Use renamed fields and less parameters.
1323 (kill_virtual_exprs): Less parameters.
1324 (mark_replaceable): Use renamed fields.
1325 (find_replaceable_in_bb): Use renamed fields, cleanup.
1326 (find_replaceable_exprs): Use renamed routines, cleanup.
1327 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1328 (debug_ter): New. Debug routine to dump state.
1330 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1332 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1333 anything involving the GOT.
1334 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1335 (trapping_loads_p): Look inside the pattern of an insn to find the
1337 * config/bfin/bfin.md (attr "type"): Add movcc.
1338 (insn_reservation "alu"): Likewise.
1339 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1341 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1343 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1344 (spu_resolve_overloaded_builtin): Check for non scalar instead
1345 of vector type and check the function call argument type also for
1347 Call build_function_call instead of spu_build_overload_builtin.
1349 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1351 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1352 to the calls of hwint_to_const_double.
1354 2006-12-07 Nick Clifton <nickc@redhat.com>
1356 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1357 elf_record_gcc_switches.
1359 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1361 * expr.c (string_constant): Account for non-zero lower bound arrays.
1363 2006-12-07 Richard Guenther <rguenther@suse.de>
1365 * builtins.c (expand_builtin_pow): Adjust predicates for
1366 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1369 2006-12-07 Jan Hubicka <jh@suse.cz>
1371 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1374 2006-12-07 Jan Hubicka <jh@suse.cz>
1376 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1377 use fold_constant_to_binary; tolerate wrong type constants.
1378 (value_intersect_p): Do just two tests.
1380 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1382 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1383 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1384 lshifthi3): Use it, and fix the order of alternatives.
1386 2006-12-07 Nick Clifton <nickc@redhat.com>
1388 * common.opt (record-gcc-switches): New command line switch.
1389 * target.h (print_switch_type): New enum.
1390 (print_switch_fn_type): New typedef for a function pointer.
1391 (struct gcc_target): Add record_gcc_switches and
1392 record_gcc_switches_section fields.
1393 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1395 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1397 * toplev.c (print_single_switch): Simplify by providing a
1398 pointer to function that will format and output the switch
1400 (print_switch_values): Likewise.
1401 (print_to_asm_out_file): New function.
1402 (print_to_stderr): New function.
1403 (init_asm_output): If flag_record_gcc_switches is set then if
1404 the target supports recording the switches then emit them into
1405 the assembler output file, otherwise tell the user that the
1406 switch is not supported.
1407 * varasm.c (eld_record_gcc_switches): New function. Example
1408 handler for the record_gcc_switches target hook.
1409 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1411 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1412 * doc/invoke.texi (-frecord-gcc-switches): Document.
1414 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1417 * sched-rgn.c (add_block1): Use correct initializer.
1419 2006-12-07 Richard Guenther <rguenther@suse.de>
1421 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1422 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1424 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1427 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1428 not GIMPLE_MODIFY_STMT.
1430 2006-12-06 Jan Hubicka <jh@suse.cz>
1432 * tree-vrp.c (operand_less_p): New.
1433 (compare_values, value_inside_range): Rewrite in terms of
1436 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1438 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1440 (length_immediate): Do not depend on cld type attribute.
1441 (length_address): Ditto.
1444 (cld): Remove insn pattern.
1445 (strmov_singleop): Do not use DIRFLAG_REG.
1446 (*strmovdi_rex_1): Ditto.
1447 (*strmovsi_1): Ditto.
1448 (*strmovsi_rex_1): Ditto.
1449 (*strmovhi_1): Ditto.
1450 (*strmovhi_rex_1): Ditto.
1451 (*strmovqi_1): Ditto.
1452 (*strmovqi_rex_1): Ditto.
1454 (*rep_movdi_rex64): Ditto.
1455 (*rep_movsi): Ditto.
1456 (*rep_movsi_rex64): Ditto.
1457 (*rep_movqi): Ditto.
1458 (*rep_movqi_rex64): Ditto.
1459 (strset_singleop): Ditto.
1460 (*strsetdi_rex_1): Ditto.
1461 (*strsetsi_1): Ditto.
1462 (*strsetsi_rex_1): Ditto.
1463 (*strsethi_1): Ditto.
1464 (*strsethi_rex_1): Ditto.
1465 (*strsetqi_1): Ditto.
1466 (*strsetqi_rex_1): Ditto.
1468 (*rep_stosdi_rex64): Ditto.
1469 (*rep_stossi): Ditto.
1470 (*rep_stossi_rex64): Ditto.
1471 (*rep_stosqi): Ditto.
1472 (*rep_stosqi_rex64): Ditto.
1473 (cmpstrnsi): Do not generate cld insn.
1474 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1475 (*cmpstrnqi_nz_1): Ditto.
1476 (*cmpstrnqi_nz_rex_1): Ditto.
1477 (cmpstrnqi_1): Ditto.
1478 (*cmpstrnqi_1): Ditto.
1479 (*cmpstrnqi_rex_1): Ditto.
1480 (strlenqi_1): Ditto.
1481 (*strlenqi_1): Ditto.
1482 (*strlenqi_rex_1): Ditto.
1484 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1485 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1486 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1488 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1489 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1491 (k6_alux_only_load): Ditto.
1492 (k6_alux_only_store): Ditto.
1494 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1495 Do not emit cld instruction.
1496 (ix86_expand_setmem): Ditto.
1497 (ix86_expand_strlen): Do not emit cld instruction.
1499 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1501 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1504 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1506 * gdbinit.in: Set complaints to 0.
1508 2006-12-06 Jan Hubicka <jh@suse.cz>
1510 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1511 ALONE_MEM_STAT_DECL): New macros.
1512 * bitmap.h: Include statistics.h
1513 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
1514 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
1515 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
1516 * bitmap.c: Include hashtab.h
1517 (bitmap_descriptor): New.
1518 (bitmap_hash): New static variable
1519 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
1520 New static functions.
1521 (bitmap_register): New.
1522 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
1523 bitmap_obstack_release): Do accounting.
1524 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
1526 (bitmap_gc_alloc_stat): Likewise.
1527 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
1528 (print_statistics, dump_bitmap_statistics): New functions.
1529 * toplev.c (finalize): Dump bitmap statistics.
1531 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1533 * reload1.c (delete_output_reload): Count occurrences in
1534 CALL_INSN_FUNCTION_USAGE.
1535 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
1536 crashing at the end of the list.
1538 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1540 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
1541 Optimize to avoid marking more SMT's as used when they aren't.
1543 2006-12-05 Eric Christopher <echristo@apple.com>
1545 * config/i386/i386.c (x86_output_aligned_bss): Move out
1546 of COMMON_ASM_OP ifdef.
1548 2006-12-05 Eric Christopher <echristo@apple.com>
1550 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
1551 (STARTFILE_SPEC): Use.
1552 (DARWIN_DYLIB1_SPEC): New.
1553 (DARWIN_CRT1_SPEC): New.
1554 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
1556 * config/i386/darwin.h: Ditto.
1557 * config/rs6000/darwin.h: Ditto.
1559 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1561 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
1562 * tree-complex.c (pass_lower_complex): Ditto.
1563 * tree-ssa-ccp.c (pass_ccp): Ditto.
1564 (pass_store_ccp): Ditto.
1565 * tree-ssa-dom.c (pass_dominator): Ditto.
1566 (pass_phi_only_cprop): Ditto.
1567 * tree-sra.c (pass_sra): Ditto.
1568 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1569 * tree-flow.h (updating_used_alone): Remove.
1570 (updating_used_alone): Ditto.
1571 * tree-ssa-alias.c (updating_used_alone): Remove variable.
1572 (lhs_may_store_to): Remove function.
1573 (recalculate_used_alone): Ditto.
1574 (compute_may_aliases): Remove used_alone calculation.
1575 * tree.h (struct tree_memory_tag): Remove is_used_alone and
1576 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
1577 * tree-pass.h (PROP_smt_usage): Remove.
1578 * passes.c (execute_todo): Remove used alone recalculation.
1579 (execute_one_pass): Ditto.
1580 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
1583 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
1585 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
1587 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
1589 PR tree-optimization/14784
1590 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
1592 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
1594 Merge from gimple-tuples-branch.
1596 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1598 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
1600 (s390_gimplify_va_arg): Same.
1601 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
1602 * config/sh/sh.c (sh_va_start): Same.
1603 (sh_gimplify_va_arg_expr): Same.
1604 * config/xtensa/xtensa.c (xtensa_va_start): Same.
1605 (xtensa_gimplify_va_arg_expr): Same.
1606 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
1607 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
1608 * config/mips/mips.c (mips_va_start): Same.
1609 (mips_gimplify_va_arg_expr): Same.
1611 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1613 * Merge from mainline at revision 119445.
1615 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1617 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
1619 (spu_gimplify_va_arg_expr): Same.
1621 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1623 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1624 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1625 (xstormy16_expand_builtin_va_arg): Same.
1627 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1629 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
1630 to GIMPLE_MODIFY_STMT.
1632 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1634 * config/alpha/alpha.c (va_list_skip_additions): Change all
1635 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1636 (alpha_va_start): Same.
1637 (alpha_gimplify_va_arg_1): Same.
1638 (alpha_gimplify_va_arg): Same.
1640 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1642 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
1644 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1646 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
1647 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
1649 * tree-complex.c: Same.
1650 * tree-pretty-print.c: Same.
1654 * fold-const.c: Same.
1655 * tree-ssa-dom.c: Same.
1656 * tree-ssa-propagate.c: Same.
1657 * tree-ssa-alias.c: Same.
1658 * gimple-low.c: Same.
1659 * dwarf2out.c: Same.
1660 * c-pretty-print.c: Same.
1662 * tree-inline.c: Same.
1663 * tree-outof-ssa.c: Same.
1664 * tree-ssa-structalias.c: Same.
1665 * tree-ssa-reassoc.c: Same.
1668 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
1670 * tree.c (build2_stat): Fix comment.
1672 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
1674 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
1675 TREE_OPERAND when appropriate.
1677 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
1679 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
1680 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
1681 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
1682 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
1683 not handle GIMPLE_MODIFY_STMT in the switch statement.
1684 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
1685 (java_gimplify_new_array_init): Same.
1687 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
1689 * gimplify.c (gimplify_omp_for): Allow gimple statements.
1690 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
1691 * fold-const.c (fold_binary): Allow gimple statements.
1693 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
1694 Rename from gfc_conv_descriptor_data_set.
1695 Call gfc_add_modify instead of gfc_add_modify_expr.
1696 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
1697 Rename from gfc_conv_descriptor_data_set.
1698 (gfc_conv_descriptor_data_set): New macro.
1699 (gfc_conv_descriptor_data_set_tuples): New macros.
1700 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
1701 gfc_conv_descriptor_data_set_tuples.
1702 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
1703 Generate GIMPLE_MODIFY_STMT when appropriate.
1704 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
1705 (gfc_add_modify_expr): New macro.
1706 (gfc_add_modify_stmt): New macro.
1707 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
1709 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
1711 * Merge from mainline at revision 118200.
1713 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1715 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
1718 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1720 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
1722 Also, add __extension__ to GCC versions.
1723 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1724 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
1727 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
1729 * tree-complex.c (expand_complex_libcall): Adjust for
1731 (expand_complex_comparison): Same.
1732 * tree-pretty-print.c (dump_generic_node): Is_expr should include
1733 GIMPLE_STMT_P statements.
1734 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
1736 (tree_mod_pow2_value_transform): Same.
1737 (tree_mod_subtract_transform): Same.
1738 * tree.c (build2_stat): Check for gimplified function in cfun.
1739 * tree.h (DECL_GIMPLIFIED): Delete.
1740 (struct tree_function_decl): Remove gimplified_flag.
1741 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
1742 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
1743 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
1744 (cxx_omp_clause_copy_ctor): Same.
1745 (cxx_omp_clause_assign_op): Same.
1746 * c-pretty-print.c (pp_c_conditional_expression): Same.
1747 (pp_c_expression): Same.
1748 * langhooks.c (lhd_omp_predetermined_sharing): Same.
1749 * function.h (struct function): Add gimplified field.
1750 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
1752 (find_phi_replacement_condition): Same.
1753 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
1754 (gimplify_modify_expr_to_memset): Same.
1755 (gimplify_init_ctor_eval_range): Same.
1756 (gimplify_modify_expr_complex_part): Same.
1757 (tree_to_gimple_tuple): Same.
1758 (gimplify_modify_expr): Same.
1759 (gimple_push_cleanup): Same.
1760 (gimplify_omp_for): Same.
1761 (gimplify_omp_atomic_pipeline): Same.
1762 (gimplify_omp_atomic_mutex): Same.
1763 (gimplify_expr): Same.
1764 (gimplify_one_sizepos): Same.
1765 (gimplify_function_tree): Same.
1766 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
1767 (vect_recog_widen_sum_pattern): Same.
1768 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
1769 (vect_create_epilog_for_reduction): Same.
1770 (vectorizable_reduction): Same.
1772 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
1774 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
1775 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
1776 (ifc_temp_var): Same.
1777 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
1778 for gimple statements.
1779 (vect_analyze_operations): Same.
1780 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
1781 * gimplify.c (gimplify_return_expr): Handle gimple statements.
1782 * lambda-code.c (can_put_in_inner_loop): Same.
1783 (can_put_after_inner_loop): Same.
1784 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1785 (vect_create_data_ref_ptr): Same.
1786 (vect_init_vector): Same.
1787 (vect_get_vec_def_for_operand): Same.
1788 (vect_create_epilog_for_reduction): Same.
1789 (vectorizable_reduction): Same.
1790 (vectorizable_assignment): Same.
1791 (vectorizable_operation): Same.
1792 (vectorizable_load): Same.
1793 (vectorizable_condition): Same.
1794 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
1795 (rs6000_gimplify_va_arg): Same.
1797 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
1799 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
1800 GIMPLE_STMT_OPERAND.
1801 (simplify_abs_using_ranges): Same.
1802 * tree-complex.c (expand_complex_operations_1): Use
1803 PROTECTED_TREE_OPERAND.
1804 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
1806 (get_val_for): Use GIMPLE_STMT_OPERAND.
1807 * tree-tailcall.c (adjust_accumulator_values): Same.
1808 (adjust_return_value): Same.
1809 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
1810 case. Remove special case for tcc_gimple_stmt.
1811 * tree.h (CAN_HAVE_LOCATION_P): New.
1812 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
1814 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
1815 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
1816 * tree-nrv.c (execute_return_slot_opt): Same.
1817 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
1818 * tree-vn.c (set_value_handle): Same.
1819 (get_value_handle): Same.
1820 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
1821 * tree-vectorizer.c (find_loop_location): Same.
1822 * c-typeck.c (c_process_expr_stmt): Same.
1823 (c_finish_stmt_expr): Same.
1824 * gimplify.c (should_carry_locus_p): Same.
1825 (tree_to_gimple_tuple): Delete definition and use of unecessary
1826 variable save_tree_block.
1827 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
1828 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
1829 (realify_fake_stores): Same.
1830 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
1832 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
1833 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
1834 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
1835 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
1836 (c_parser_statement_after_labels): Same.
1837 (c_parser_paren_condition): Same.
1838 (c_parser_for_statement): Same.
1839 (c_parser_omp_for_loop): Same.
1840 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
1841 (linearize_expr_tree): Same.
1842 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
1843 * function.c (instantiate_expr): Same.
1845 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
1847 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
1848 (set_expr_location): Same.
1850 (set_expr_locus): Same.
1851 (expr_filename): Same.
1852 (expr_lineno): Same.
1853 (tree_block): Use GIMPLE_STMT_BLOCK.
1854 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
1855 * tree.h (struct gimple_stmt): Remove prev and next.
1856 (GIMPLE_STMT_OPERAND_CHECK): New.
1857 (TREE_TO_GIMPLE_STMT): Delete.
1858 (GIMPLE_STMT_TO_TREE): Delete.
1859 (GIMPLE_STMT_OPERAND): Use union, not cast.
1860 (GIMPLE_STMT_LOCUS): New.
1861 (GIMPLE_STMT_BLOCK): New.
1862 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
1864 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
1866 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
1868 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
1870 * tree-tailcall.c (adjust_return_value): Same.
1871 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
1872 (copy_node_stat): Change common.base to base.
1873 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
1874 Remove GIMPLE_STATEMENT_LIST case.
1875 * tree.h (struct gimple_stmt): Make operands of type tree.
1876 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1877 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1878 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1879 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1880 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
1881 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1882 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1883 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
1884 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
1885 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
1886 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1887 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
1888 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
1889 Change common.base to base.
1890 (GIMPLE_STATEMENT_LIST*): Remove.
1891 (union tree_node): Add base. Remove gimple_statement_list.
1892 Remove pointer from gstmt.
1893 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
1894 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
1895 * tree-vn.c (vn_compute): Change common.base to base.
1896 * tree-eh.c (verify_eh_throw_stmt_node): Same.
1897 * tree-flow-inline.h (var_ann): Same.
1898 (function_ann): Same.
1900 (mark_non_addressable): Same.
1901 * gimplify.c (tree_to_gimple_tuple): Same.
1902 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
1903 * tree-dfa.c (create_var_ann): Change common.base to base.
1904 (create_function_ann): Same.
1905 (create_stmt_ann): Same.
1906 (create_tree_ann): Same.
1907 (collect_dfa_stats_r): Same.
1908 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
1909 * tree-ssa-dce.c (NECESSARY): Same.
1910 * tree-ssa.c (delete_tree_ssa): Same.
1911 * tree-optimize.c (execute_free_cfg_annotations): Same.
1912 * tree-flow.h: Same.
1914 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
1916 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
1917 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
1919 * tree.h (struct gimple_stmt): Add prev and next fields.
1920 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
1921 (GIMPLE_STATEMENT_LIST_HEAD): New.
1922 (GIMPLE_STATEMENT_LIST_TAIL): New.
1923 (struct gimple_statement_list): New.
1924 (union tree_node): Add gimple_stmt_list and gstmt.
1925 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
1926 * tree.def: Add GIMPLE_STATEMENT_LIST.
1928 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
1930 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
1931 * tree-vrp.c (build_assert_expr_for): Change uses of
1932 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1933 (find_assert_locations): Same.
1934 (remove_range_assertions): Same.
1935 (stmt_interesting_for_vrp): Same.
1936 (vrp_visit_assignment): Same.
1937 (vrp_visit_stmt): Same.
1938 (simplify_cond_using_ranges): Same.
1939 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
1941 * tree-ssa-loop-im.c (movement_possibility): Change uses of
1942 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1944 (determine_invariantness_stmt): Same.
1945 (schedule_sm): Same.
1946 (gather_mem_refs_stmt): Same.
1947 * tree-complex.c (init_dont_simulate_again): Same.
1948 (complex_visit_stmt): Same.
1949 (set_component_ssa_name): Same.
1950 (expand_complex_move): Same.
1951 (expand_complex_div_wide): Same.
1952 (expand_complex_comparison): Same.
1953 (expand_complex_operations_1): Same.
1954 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
1955 (chain_of_csts_start): Same.
1956 (infer_loop_bounds_from_undefined): Same.
1957 * tree-pretty-print.c (dump_generic_node): Same.
1959 (op_symbol_1): Same.
1960 * tree-ssa-loop-manip.c (create_iv): Same.
1961 * value-prof.c (tree_divmod_fixed_value): Same.
1962 (tree_divmod_fixed_value_transform): Same.
1963 (tree_mod_pow2): Same.
1964 (tree_mod_pow2_value_transform): Same.
1965 (tree_mod_subtract): Same.
1966 (tree_mod_subtract_transform): Same.
1967 (tree_divmod_values_to_profile): Same.
1968 * tree-tailcall.c (process_assignment): Same.
1969 (find_tail_calls): Same.
1970 (adjust_accumulator_values): Same.
1971 (adjust_return_value): Same.
1972 (eliminate_tail_call): Same.
1973 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
1974 (make_node_stat): Same.
1975 (copy_node_stat): Handle gimple tuples.
1976 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
1977 (tree_node_structure): Handle tcc_gimple_stmt.
1978 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
1980 (build2_gimple_stat): New.
1981 (expr_location): New.
1982 (set_expr_location): New.
1983 (expr_has_location): New.
1985 (set_expr_locus): New.
1986 (expr_filename): New.
1988 (walk_tree): Handle tcc_gimple_stmt.
1990 (protected_tree_operand): New.
1991 (protected_tree_type): New.
1992 (tree_code_kind): Add gimple statements.
1993 * tree.h (tree_code_class): Add tcc_gimple_stmt.
1994 (IS_GIMPLE_STMT_CODE_CLASS): New.
1995 (struct tree_base): New.
1996 (struct tree_common): Shrink.
1997 (struct gimple_stmt): New.
1998 (struct gimple_expr): New.
1999 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2000 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2001 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2002 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2003 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
2004 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2005 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2006 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
2007 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
2008 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
2009 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
2010 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2011 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
2012 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
2013 Adjust for new `common' layout.
2014 (struct tree_function_decl): Add gimplified_flag.
2015 (DECL_GIMPLIFIED): NEW.
2016 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
2017 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
2018 EXPR_HAS_LOCATION): Call corresponding function.
2019 (GIMPLE_STMT_CHECK): New.
2020 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
2021 (TREE_BLOCK): Call tree_block.
2022 (GIMPLE_STMT_P): New.
2023 (GIMPLE_TUPLE_P): New.
2024 (TREE_TO_GIMPLE_STMT): New.
2025 (GIMPLE_STMT_TO_TREE): New.
2026 (GIMPLE_STMT_OPERAND): New.
2027 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
2028 (PROTECTED_TREE_OPERAND): New.
2029 (PROTECTED_TREE_TYPE): New.
2030 (build2_gimple_stat): Protoize.
2031 (build2_gimple): New.
2032 (expr_location): Protoize.
2033 (set_expr_location): Protoize.
2034 (expr_has_location): Protoize.
2035 (expr_locus): Protoize.
2036 (set_expr_locus): Protoize.
2037 (expr_filename): Protoize.
2038 (expr_lineno): Protoize.
2039 (tree_block): Protoize.
2040 (protected_tree_operand): Protoize.
2041 (protected_tree_type): Protoize.
2042 (enum tree_node_kind): Add gimple_stmt_kind.
2043 * c-decl.c (union lang_tree_node): Tuples do not have a
2045 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2046 GIMPLE_MODIFY_STMT and adjust accordingly.
2047 * tree-scalar-evolution.c (follow_ssa_edge): Same.
2048 (interpret_condition_phi): Same.
2049 (pointer_used_p): Same.
2050 (analyze_scalar_evolution_1): Same.
2051 (scev_const_prop): Same.
2052 (interpret_rhs_modify_stmt): Rename from
2053 interpret_rhs_modify_expr.
2054 * builtins.c (std_expand_builtin_va_start): Change uses of
2055 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2056 (std_gimplify_va_arg_expr): Same.
2057 (expand_builtin_va_copy): Same.
2058 (integer_valued_real_p): Same.
2059 * fold-const.c (maybe_lvalue_p): Same.
2061 (tree_expr_nonnegative_p): Same.
2062 (tree_expr_nonzero_p): Same.
2063 * omp-low.c (extract_omp_for_data): Same.
2064 (lower_rec_input_clauses): Same.
2065 (lower_reduction_clauses): Same.
2066 (lower_copyprivate_clauses): Same.
2067 (lower_send_clauses): Same.
2068 (lower_send_shared_vars): Same.
2069 (expand_parallel_call): Same.
2070 (expand_omp_parallel): Same.
2071 (expand_omp_for_generic): Same.
2072 (expand_omp_for_static_nochunk): Same.
2073 (expand_omp_for_static_chunk): Same.
2074 (expand_omp_sections): Same.
2075 (lower_omp_single_copy): Same.
2076 (lower_omp_parallel): Same.
2077 * tree-ssa-dse.c (memory_address_same): Same.
2078 (dse_optimize_stmt): Same.
2079 * ipa-reference.c (scan_for_static_refs): Same.
2080 * tree-gimple.c (is_gimple_reg_rhs): Same.
2081 (get_call_expr_in): Same.
2082 (recalculate_side_effects): Same.
2083 * cgraphunit.c (cgraph_create_edges): Same.
2084 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2085 * tree-ssa-ccp.c (get_default_value): Same.
2086 (likely_value): Same.
2087 (visit_assignment): Same.
2088 (ccp_visit_stmt): Same.
2089 (get_maxval_strlen): Same.
2090 (ccp_fold_builtin): Same.
2091 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2092 (find_givs_in_stmt): Same.
2093 (find_interesting_uses_op): Same.
2094 (find_interesting_uses_stmt): Same.
2095 (rewrite_use_nonlinear_expr): Same.
2096 * ipa-pure-const.c (scan_function): Same.
2097 * tree-stdarg.c (va_list_counter_bump): Same.
2098 (check_all_va_list_escapes): Same.
2099 (execute_optimize_stdarg): Same.
2100 * tree-ssa-math-opts.c (compute_merit): Same.
2101 (insert_reciprocals): Same.
2102 (execute_cse_reciprocals): Same.
2103 * tree-ssa-dom.c (initialize_hash_element): Same.
2104 (simple_iv_increment_p): Same.
2105 (record_equivalences_from_stmt): Same.
2106 (optimize_stmt): Same.
2107 (remove_stmt_or_phi): Same.
2108 (get_rhs_or_phi_arg): Same.
2109 (get_lhs_or_phi_result): Same.
2110 (propagate_rhs_into_lhs): Same.
2111 * tree-nrv.c (tree_nrv): Same.
2112 (execute_return_slot_opt): Same.
2113 * tree-ssa-propagate.c (get_rhs): Same.
2115 (stmt_makes_single_load): Same.
2116 (stmt_makes_single_store): Same.
2117 (replace_vuses_in): Same.
2118 (fold_predicate_in): Same.
2119 (substitute_and_fold): Same.
2120 * tree-ssa-alias.c (compute_call_clobbered): Same.
2121 (recalculate_used_alone): Same.
2122 (count_uses_and_derefs): Same.
2123 (is_escape_site): Same.
2124 (find_used_portions): Same.
2125 * gimple-low.c (lower_stmt): Same.
2126 (block_may_fallthru): Same.
2127 (lower_return_expr): Same.
2128 * tree-ssa-sink.c (is_hidden_global_store): Same.
2129 (statement_sink_location): Same.
2130 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2131 * expr.c (safe_from_p): Same.
2132 (expand_expr_real): Same.
2133 (expand_expr_real_1): Same.
2134 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2135 * predict.c (expr_expected_value): Same.
2136 (strip_builtin_expect): Same.
2137 (apply_return_prediction): Same.
2138 (tree_bb_level_predictions): Same.
2139 (tree_estimate_probability): Same.
2140 * tree-vn.c (vn_compute): Same.
2141 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2142 (remove_stmt_from_eh_region_fn): Same.
2143 (do_return_redirection): Same.
2144 (honor_protect_cleanup_actions): Same.
2145 (lower_try_finally_switch): Same.
2146 (lower_eh_constructs_1): Same.
2147 (tree_could_throw_p): Same.
2148 (verify_eh_throw_stmt_node): Same.
2149 * function.c (gimplify_parameters): Same.
2150 * tree-vectorizer.c (vect_is_simple_use): Same.
2151 (vect_is_simple_reduction): Same.
2152 * ipa-type-escape.c (scan_for_refs): Same.
2153 * tree-if-conv.c (tree_if_conversion): Same.
2154 (tree_if_convert_stmt): Same.
2155 (if_convertible_gimplify_modify_stmt_p): Rename from
2156 if_convertible_modify_expr_p.
2157 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
2158 (ifc_temp_var): Same.
2159 (replace_phi_with_cond_modify_stmt): Rename from
2160 replace_phi_with_cond_modify_expr.
2161 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
2162 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
2163 * tree-data-ref.c (find_data_references_in_loop): Adjust for
2165 * tree-flow-inline.h (var_ann): Same.
2166 (function_ann): Same.
2168 (mark_non_addressable): Same.
2169 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
2170 * gimplify.c (tree_to_gimple_tuple): New.
2171 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
2172 (gimplify_return_expr): Same.
2173 (gimplify_decl_expr): Same.
2174 (gimplify_self_mod_expr): Same.
2175 (gimplify_cond_expr): Same.
2176 (gimplify_init_constructor): Same.
2177 (gimplify_modify_expr): Same.
2178 (gimplify_expr): Same.
2179 (gimplify_function_tree): Same.
2180 (force_gimple_operand): Same.
2181 * tree-ssa-phiopt.c (conditional_replacement): Same.
2182 (minmax_replacement): Same.
2183 (abs_replacement): Same.
2184 * tree-dfa.c (create_var_ann): Same.
2185 (create_function_ann): Same.
2186 (create_stmt_ann): Same.
2187 (create_tree_ann): Same.
2188 (collect_dfa_stats_r): Same.
2189 * tree-ssa-pre.c (find_or_generate_expression): Same.
2190 (create_expression_by_pieces): Same.
2191 (try_look_through_load): Same.
2192 (insert_fake_stores): Same.
2193 (realify_fake_stores): Same.
2194 (compute_avail): Same.
2197 (poolify_modify_stmt): Rename from poolify_modify_stmt.
2198 Adjust for GIMPLE_MODIFY_STMT.
2199 (NECESSARY): Adjust for new `common' layout.
2200 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
2202 * tree-sra.c (sra_walk_modify_stmt): Rename from
2203 sra_walk_modify_expr.
2204 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
2205 (generate_copy_inout): Same.
2206 (generate_element_copy): Same.
2207 (generate_element_zero): Same.
2208 (scalarize_copy): Same.
2209 * tree-mudflap.c (mf_decl_cache_locals): Same.
2210 (mf_build_check_statement_for): Same.
2211 (mf_xform_derefs): Same.
2212 * ipa-prop.c (ipa_method_modify_stmt): Same.
2213 * print-tree.c (print_node): Handle gimple tuples.
2214 Add case for tcc_gimple_stmt.
2215 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
2217 (copy_prop_visit_assignment): Same.
2218 (copy_prop_visit_stmt): Same.
2219 (init_copy_prop): Same.
2220 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
2221 (forward_propagate_into_cond_1): Same.
2222 (find_equivalent_equality_comparison): Same.
2223 (tidy_after_forward_propagate_addr): Same.
2224 (forward_propagate_addr_expr_1): Same.
2225 (simplify_not_neg_expr): Same.
2226 (simplify_switch_expr): Same.
2227 * tree-ssa-dce.c (find_pdom): Same.
2228 (mark_stmt_if_obviously_necessary): Same.
2229 (NECESSARY): Adjust for new `common' layout.
2230 * tree-flow.h: Same.
2231 * tree-vect-patterns.c (widened_name_p): Adjust for
2233 (vect_recog_dot_prod_pattern): Same.
2234 (vect_recog_widen_sum_pattern): Same.
2235 (vect_pattern_recog_1): Same.
2236 * tree-nested.c (init_tmp_var): Same.
2237 (save_tmp_var): Same.
2239 (convert_call_expr): Same.
2240 (finalize_nesting_tree_1): Same.
2241 * tree-ssa.c (verify_ssa): Same.
2242 (delete_tree_ssa): Same.
2243 * lambda-code.c (lbv_to_gcc_expression): Same.
2244 (lle_to_gcc_expression): Same.
2245 (lambda_loopnest_to_gcc_loopnest): Same.
2246 (can_put_in_inner_loop): Same.
2247 (can_convert_to_perfect_nest): Same.
2248 (perfect_nestify): Same.
2249 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
2250 * tree-inline.c (copy_body_r): Same.
2251 (setup_one_parameter): Same.
2252 (initialize_inlined_parameters): Same.
2253 (estimate_num_insns_1): Same.
2254 (expand_call_inline): Same.
2255 (gimple_expand_calls_inline): Same.
2256 (copy_tree_r): Same.
2257 * tree-optimize.c (execute_free_cfg_annotations): Same.
2258 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2259 (vect_align_data_ref): Same.
2260 (vect_create_data_ref_ptr): Same.
2261 (vect_init_vector): Same.
2262 (vect_create_epilog_for_reduction): Same.
2263 (vectorizable_reduction): Same.
2264 (vectorizable_assignment): Same.
2265 (vectorizable_operation): Same.
2266 (vectorizable_store): Same.
2267 (vectorizable_load): Same.
2268 (vectorizable_live_operation): Same.
2269 (vectorizable_condition): Same.
2270 (vect_generate_tmps_on_preheader): Same.
2271 (vect_create_cond_for_align_checks): Same.
2272 * tree-object-size.c (collect_object_sizes_for): Same.
2273 (check_for_plus_in_loops_1): Same.
2274 (check_for_plus_in_loops): Same.
2275 * tree-outof-ssa.c (insert_copy_on_edge): Same.
2276 (replace_use_variable): Same.
2277 (check_replaceable): Same.
2278 (rewrite_trees): Same.
2279 (identical_copies_p): Same.
2280 (insert_backedge_copies): Same.
2281 * tree-profile.c (tree_gen_edge_profiler): Same.
2282 * tree-vect-generic.c (expand_vector_operations_1): Same.
2283 * tree-ssa-structalias.c (update_alias_info): Same.
2284 (find_func_aliases): Same.
2285 * tree-cfg.c (factor_computed_gotos): Same.
2287 (make_goto_expr_edges): Same.
2288 (tree_merge_blocks): Same.
2289 (remove_useless_stmts_cond): Same.
2290 (remove_useless_stmts_1): Same.
2291 (tree_find_edge_insert_loc): Same.
2292 (verify_expr): Same.
2293 (gimplify_val): Same.
2294 (verify_gimple_tuples_1): New.
2295 (verify_gimple_tuples): New.
2296 (verify_stmts): Call verify_gimple_tuples.
2297 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
2298 (get_unary_op): Same.
2299 (linearize_expr): Same.
2300 (get_single_immediate_use): Same.
2301 (negate_value): Same.
2302 (should_break_up_subtract): Same.
2303 (break_up_subtract): Same.
2304 (repropagate_negates): Same.
2305 (break_up_subtract_bb): Same.
2306 (reassociate_bb): Same.
2307 * config/i386/i386.c (ix86_va_start): Same.
2308 (ix86_gimplify_va_arg): Same.
2309 * stmt.c (expand_expr_stmt): Same.
2310 (warn_if_unused_value): Same.
2311 (expand_return): Same.
2312 * tree-ssanames.c (make_ssa_name): Same.
2313 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2314 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2315 (add_virtual_operand): Same.
2316 (get_expr_operands): Same.
2317 (parse_ssa_operands): Same.
2318 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2320 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2322 * config.host: Remove extra blank line.
2324 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2326 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2327 target is also an x86 variant.
2329 2006-12-05 Richard Guenther <rguenther@suse.de>
2331 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2332 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2333 (ix86_builtin_vectorized_function): New function to vectorize
2336 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2338 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2339 ia64_override_options.
2341 2006-12-04 Jan Hubicka <jh@suse.cz>
2343 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2346 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2348 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2349 * config/bfin/bfin.c: Include "timevar.h".
2350 (bfin_flag_schedule_insns2, splitting_for_sched,
2351 bfin_flag_var_tracking): New variables.
2352 (print_operand): Handle '%!'.
2353 (override_options): Disable normal sched2 pass, instead set
2354 bfin_flag_schedule_insns2 for reorg to handle it.
2355 (output_file_start): Likewise for var-tracking.
2356 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2357 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2359 (bfin_reorg): Do second scheduling pass here, and call
2360 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2361 of examining insns directly. If bfin_flag_var_tracking, call
2362 var-tracking pass when done with everything else.
2363 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2364 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2365 (movsi_insn32): New pattern, with two new splits to create it
2366 before the final scheduling pass.
2367 (neghi2): Not a dsp32 insn, rather alu0.
2368 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2369 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2370 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2371 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2372 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2373 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2374 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2375 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2376 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2377 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2378 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2379 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2380 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2381 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2382 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2383 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2384 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2385 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2386 variants instead of ';'.
2387 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2388 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2389 (align8, align16, align24): Now named patterns; also using '%!'.
2392 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2394 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2395 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2397 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2399 * config/spu/spu-protos.c (spu_split_address): Add.
2400 * config/spu/spu.c (spu_split_address): Add.
2401 (print_operand): Handle HIGH.
2402 (spu_legitimate_address): Don't test for aligned CONST.
2403 (spu_expand_mov): Don't split addresses here.
2404 * config/spu/constraints.md (A): Don't test legitimate_const.
2405 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2406 (ceq_di): Use correct predicates.
2408 2006-12-04 Eric Christopher <echristo@apple.com>
2410 * config/darwin.h: Update copyright notice.
2411 * config/i386/darwin.h: Ditto.
2413 2006-12-04 Jan Hubicka <jh@suse.cz>
2415 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2416 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2418 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2420 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2422 * tree-ssa-structalias.c (set_used_smts): Export.
2423 (find_what_p_points_to): Don't call set_used_smts here.
2424 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2426 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2428 * tree-ssa-alias.c (compute_may_aliases):
2429 Compute flow sensitive before flow insensitive.
2430 (compute_flow_sensitive_aliasing): Don't try to add
2431 a symbol memory tag to itself.
2433 * alias.h (alias_set_subset_of): New prototype.
2435 * alias.c (alias_set_subset_of): New function.
2437 * tree-ssa-structalias.c: Update comments.
2438 (struct variable_info): Add finished_solution.
2439 (new_varinfo): Set finished solution to NULL.
2440 (var_escaped_vars): Remove.
2441 (escaped_vars_tree): Remove.
2442 (escaped_vars_id): Remove.
2443 (nonlocal_vars_id): Remove.
2444 (constraint_expr_type): Add INCLUDES.
2445 (graph_size): Removed.
2446 (dump_constraint): Support INCLUDES.
2447 (build_constraint_graph): Ditto.
2448 (collapse_nodes): Add merge_solutions argument.
2449 Don't merge attributes.
2450 (process_unification_queue): Just use collapse_nodes.
2451 (perform_var_substitution): Update call to collapse_nodes.
2452 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2453 (process_constraint): Fix non-field sensitive handling
2455 (get_constraint_for): Use INCLUDES.
2456 (make_constraint_from_anything): Renamed from
2457 make_constraint_from_escaped.
2458 (make_constraint_to_escaped): Removed.
2459 (find_global_initializers): Removed.
2460 (create_variable_info_for): Do not make constraints to escaped
2462 (dump_solution_for_var): Don't print out the equivalent points-to
2463 sets, just use the name of the variable it shares it with.
2464 (intra_create_variable_infos): Use INCLUDES.
2465 Change nonlocal variable sets to anything sets.
2466 (init_base_vars): Remove escaped_vars and nonlocal_var
2468 (find_escape_constraints): Removed.
2469 (delete_points_to_sets): Remove dead code.
2470 (used_smt_calculated): New variable.
2471 (set_used_smts): New function.
2472 (merge_smts_into): New function.
2473 (find_what_p_points_to): Modify to use SMTs.
2474 (create_nonlocal_var): Remove.
2476 * tree-ssa-operands.c (access_can_touch_variable): Remove
2477 reference to nonlocal_all.
2479 * tree-ssa.c (verify_name_tags): Remove.
2481 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2483 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2484 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2486 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2488 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2489 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2490 (add_livein_if_notdef): Delete.
2491 (loe_visit_block): New. Propogate live on entry info for a block into
2492 each predecessor. If it changes, make sure it is visited again.
2493 (live_worklist): Visit every block and update the live on entry info
2494 for preds. Iterate over any that changed.
2495 (set_var_live_on_entry): Populate the live on entry blocks with bits
2496 based on the immediate uses of a var.
2497 (calculate_live_on_entry): Remove.
2498 (calculate_live_on_exit): Calculate live on exit based on the newly
2499 oriented live on entry bits.
2500 (calculate_live_ranges): Build live on entry and exit vectors.
2501 (dump_live_info): Use new orientation of live on entry bitmaps.
2502 (verify_live_on_entry): New. Split out verification code from old
2503 calculate_live_on_entry routine.
2504 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2505 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2506 basic_block instead of for a partition.
2507 (live_merge_and_clear): Add asserts.
2508 (make_live_on_entry): Set partition bit in basic block vector.
2510 2006-12-04 Jakub Jelinek <jakub@redhat.com>
2513 * omp-low.c (expand_omp_for_static_nochunk,
2514 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2518 * omp-low.c (determine_parallel_type): Don't try to optimize combined
2519 parallels if region->exit or region->inner->exit is NULL.
2520 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
2522 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
2523 (expand_omp_for): Use expand_omp_for_generic if either region->cond
2524 or region->exit is NULL.
2525 (expand_omp_sections): Handle NULL region->cond or region->exit.
2528 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2530 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
2531 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2533 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
2535 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
2536 TYPE_MAX_VALUE for scalar types here but...
2537 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
2538 is attached an error mark, and the return value of the callback
2539 if it is not NULL_TREE.
2541 2006-12-04 Ben Elliston <bje@au.ibm.com>
2543 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
2545 2006-12-03 Eric Christopher <echristo@apple.com>
2548 * config/t-slibgcc-darwin: Pass -install_name.
2549 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
2550 libtool. Only pass through options that the linker recognizes.
2551 (LINK_SPEC): Update comment. Translate options.
2552 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
2553 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
2555 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
2557 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
2559 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
2562 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
2563 operands[1] in insn constraint. Correct type attribute to sselog1.
2565 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
2568 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
2570 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
2571 processor detection.
2573 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
2574 -march=native if there is no -mtune=*.
2576 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
2579 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2581 * doc/install.texi: Update recommended MPFR version. Remove
2582 obsolete reference to cumulative patch.
2584 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
2587 * c-decl.c (store_parm_decls_oldstyle): Robustify.
2589 2006-11-30 Jan Hubicka <jh@suse.cz>
2590 Uros Bizjak <ubizjak@gmail.com>
2592 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
2593 32bit memcpy/memset decriptors.
2594 (decide_alg): With -minline-all-stringops and sizes that are best
2595 to be copied via libcall still work hard enough to pick non-libcall
2598 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
2600 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
2602 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
2603 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
2604 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
2605 config/sh/sh4-300.md, config/spu/spu-builtins.def,
2606 config/spu/spu-c.c, config/spu/spu-modes.def,
2607 config/spu/spu.c, config/spu/spu.md,
2608 config/spu/spu_internals.h, config/spu/vmx2spu.h,
2609 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
2610 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
2611 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
2612 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
2613 spelling conventions.
2615 * config/i386/i386.c: Fix a comment typo.
2617 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2619 * config/spu/spu.c (spu_immediate): Remove trailing comma.
2620 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
2621 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
2622 better optimization.
2623 (floatv4siv4sf2): New.
2624 (fix_truncv4sfv4si2): New.
2625 (floatunsv4siv4sf2): New.
2626 (fixuns_truncv4sfv4si2): New.
2634 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
2635 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
2636 spu_resolve_overloaded_builtin instead of static inline functions.
2638 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
2640 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
2641 type instead of the size of its mode to compute the highest and
2642 lowest possible values. Still check the size of the mode before
2643 flipping the signedness of the comparison.
2645 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2647 * config/spu/predicates.md (spu_mov_operand): Add.
2648 * config/spu/spu.c (spu_expand_extv): Remove unused code.
2649 (print_operand_address, print_operand): Handle addresses containing AND.
2650 (spu_split_load, spu_split_store): Use updated movti pattern.
2651 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
2652 stores in mov patterns for correct operation of reload.
2653 (lq, lq_<mode>, stq, stq_<mode>): Remove.
2655 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2658 * c-common.c (check_main_parameter_types): Check for error_mark_node.
2660 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
2662 * common.opt (ftree-combine-temps): Remove.
2663 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
2664 (coalesce_ssa_name): Don't check for combine-temps.
2665 (coalesce_vars): Remove.
2666 (check_replaceable): Use num_imm_uses.
2667 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
2668 check for combine-temps.
2669 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
2670 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
2671 to register_ssa_partition calls.
2672 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
2673 (init_var_map, delete_var_map): remove refernces to ref_count.
2674 (create_ssa_var_map): Never calculate a ref count.
2675 (type_var_init): Remove.
2676 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
2677 (SSA_VAR_MAP_REF_COUNT): Delete.
2678 (create_ssa_var_map): Change Prototype to have no parameters.
2679 (version_ref_count): Delete.
2680 (register_ssa_partition): Remove 'is_use' paramater and don't set the
2682 (type_var_num, type_var, type_var_first_partition,
2683 type_var_next_partition, type_var_dump, type_var_delete,
2684 type_var_remove_partition, type_var_find, type_var_compact,
2685 type_var_decompact): Remove.
2687 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2689 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
2692 2006-12-01 Richard Guenther <rguenther@suse.de>
2695 * dwarf2out.c (struct pubname_struct): Make name const.
2696 (add_pubtype): Do not xstrdup identifiers.
2698 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2700 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
2701 multiword accesses are in range.
2703 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
2705 PR tree-optimization/29921
2706 * tree-ssa-ccp.c (canonicalize_float_value): New function.
2707 (set_lattice_value): Use canonicalize_float_value.
2709 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
2711 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
2712 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
2713 (spu_cpu_cpp_builtins): Remove.
2714 (spu_override_options): Don't set warn_main.
2715 (spu_force_reg): Move from spu-c.c.
2716 (spu_check_builtin_parm): Likewise.
2717 (expand_builtin_args): Likewise.
2718 (spu_expand_builtin_1): Likewise.
2719 (spu_expand_builtin): Likewise.
2720 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
2721 warn_main and targetm.resolve_overloaded_builtin.
2722 * config/spu/spu-c.c (spu_builtin_range): Remove.
2723 (spu_check_builtin_parm): Remove.
2724 (expand_builtin_args): Remove.
2725 (spu_expand_builtin_1): Remove.
2726 (spu_expand_builtin): Remove.
2727 (spu_cpu_cpp_builtins): Moved from spu.c
2728 (spu_force_reg): Remove.
2730 2006-12-01 Joseph Myers <joseph@codesourcery.com>
2731 David Edelsohn <edelsohn@gnu.org>
2734 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
2735 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
2736 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
2737 HARD_REGNO_NREGS_WITH_PADDING): Define.
2738 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
2739 HARD_REGNO_NREGS_WITH_PADDING): Define.
2740 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
2741 Use new macros to detect modes with holes; do not look at integer
2743 (subreg_offset_representable_p): Check for and disallow cases
2744 where the modes use different numbers of bits from registers.
2745 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
2746 constant for soft-float.
2747 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
2749 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
2750 in E500 double case.
2751 * config/rs6000/rs6000.md (movtf): Allow soft-float.
2752 (movtf_softfloat): New.
2754 2006-11-30 Richard Sandiford <richard@codesourcery.com>
2756 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
2757 simplify_gen_subreg.
2759 2006-11-30 Andrew Macleod <amacleod@redhat.com>
2761 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
2762 (COALESCE_HASH_FN): New. Define hash function.
2763 (partition_pair_map_hash): New. Hash value for a partition pair.
2764 (partition_pair_map_eq): New. Equality for hash pairs.
2765 (create_coalesce_list): Create hash table.
2766 (delete_coalesce_list): Free hash table.
2767 (find_partition_pair): Find/create pairs in hash table.
2768 (compare_pairs): Sort pairs in ascending order now.
2769 (num_coalesce_pairs): New. Number of pairs in hash table.
2770 (struct partition_pair_iterator): Iterator struct for pair table.
2771 (first_partition_pair): Iterator function for first pair.
2772 (end_partition_pair_p): Iterator function for end of iteration.
2773 (next_partition_pair): Iterator function for next pair.
2774 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
2775 (sort_coalesce_list): Sort pairs from hash table into an array.
2776 (pop_best_coalesce): Take pairs from the array.
2777 (dump_coalesce_list): Update to use hash table or sorted array.
2778 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
2779 (struct coalesce_list_d): Add hash table related fields.
2781 2006-11-30 Jan Hubicka <jh@suse.cz>
2784 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
2785 memmove/bcopy->memcpy conversion.
2787 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
2789 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
2790 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
2791 Default is the largest alignment supported for 32-bit ELF and
2792 representable on a 32-bit host.
2794 2006-11-30 Janis Johnson <janis187@us.ibm.com>
2796 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
2798 2006-11-30 Jan Hubicka <jh@suse.cz>
2800 * tree-ssa-operands.h (struct ssa_operands): New.
2801 * tree-flow-inline.h (gimple_ssa_operands): New function.
2802 * tree-flow.h: (struct gimple_df): Add ssa_operands.
2803 * Makefile.in: Remove gt-tree-ssa-operands.h
2804 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
2805 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
2806 operand_memory, operand_memory_index, ops_active): Remove statics.
2807 (ALLOC_OPTYPE): Update.
2808 (operand_build_sort_virtual): Update.
2809 (ssa_operands_active): Update.
2810 (init_ssa_operands): Update.
2811 (fini_ssa_operands): Update.
2812 (ssa_operand_alloc): Update.
2813 (INITIALIZE_USE): Update.
2814 (finalize_ssa_use_ops): Update.
2815 (finalize_ssa_v_may_def_ops): Update.
2816 (finalize_ssa_vuse_ops): Update.
2817 (finalize_ssa_v_must_def_ops): Update.
2819 2006-11-30 Richard Guenther <rguenther@suse.de>
2821 * tree-vectorizer.h (vectorizable_function): Export.
2822 * tree-vect-transform.c (vectorizable_function): Likewise.
2823 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
2824 type_in to scalar type in recognition of squaring.
2825 Make sure the target can vectorize sqrt in recognition
2826 of sqrt, set type_in to vector type in this case.
2828 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2830 * config/i386/i386.md (R10_REG): New constant.
2831 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
2832 (ix86_emit_restore_regs_using_mov): Ditto.
2833 (ix86_expand_call): Ditto.
2834 (x86_output_mi_thunk): Ditto. Also use R10_REG.
2836 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2838 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
2839 * alias.c (canon_true_dependence): Update comment.
2841 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2843 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
2844 at the end of a diagnostics message.
2846 * alloc-pool.c (pool_free): Postpone clearing the pool entry
2847 until after asserting that it was allocated in the right pool.
2849 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
2850 successor edge information as well. Make output of live regs
2851 on exit consistent with live regs on entry.
2853 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2856 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
2857 insn patterns for TARGET_80387.
2858 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
2859 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
2860 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
2861 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
2862 Generate truncxf<mode>2 insn patterns for strict SSE math.
2864 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2866 * config/i386/i386.md (movsf_1): Enable pattern for standard
2867 80387 constants before reload when optimizing for size.
2868 (*movdf_nointeger, *movdf_integer): Ditto.
2869 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
2870 80387 constants before reload when not optimizing for size.
2872 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
2873 extension of XFmode input operands.
2875 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2877 * config/spu/crt0.c (__dso_handle): Define.
2879 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
2881 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
2882 when clearing the used flags.
2884 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2886 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
2888 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2891 * config/spu/spu.md (extend_compare<mode>): New pattern.
2892 (extend_compare): Change to expand and use the above pattern.
2894 2006-11-29 Janis Johnson <janis187@us.ibm.com>
2896 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
2898 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
2899 (DFP_INIT_ROUNDMODE): Define.
2900 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
2901 * mklibgcc.in: Fix dependencies for dfp-bit.c.
2903 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
2905 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
2906 Update documentation.
2907 (associate_line_notes_with_blocks): Kill.
2908 (extend_bb): Remove basic block argument, put void instead.
2909 Remove line number handling for each bb.
2910 (save_line_notes): Kill.
2911 (restore_line_notes): Kill.
2912 (sched_init): Remove line_note_head initialization.
2913 Change extend_bb call.
2914 (sched_finish): Remove free of line_note_head.
2915 (add_block): Change extend_bb call.
2916 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
2917 rm_line_notes and restore_line_notes calls.
2918 (schedule_ebbs): Remove rm_redundant_line_notes.
2919 * sched-int.h (struct haifa_insn_data): Remove line_note.
2920 (save_line_notes): Remove declaration.
2921 (restore_line_notes): Remove declaration.
2922 * modulo-sched.c (loop_canon_p): Update debug info printing
2923 by using insn locators instead of line note.
2924 (sms_schedule): Update debug info printing, by using insn
2925 locators instead of line note.
2926 * sched-rgn.c (debug_dependencies): Remove handling of case
2927 n>0 (line number), since it's a dead code.
2928 (schedule_region): Remove save_line_notes and
2929 restore_line_notes calls.
2931 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2933 * config/rs6000/predicates.md (gpc_reg_operand): Check
2934 invalid_e500_subreg.
2935 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
2936 SImode subregs of SPE vectors.
2937 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
2938 * jump.c (true_regnum): Require subregs to satisfy
2939 subreg_offset_representable_p.
2941 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
2942 Steven Bosscher <stevenb.gcc@gmail.com>
2944 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
2945 since it no longer exists.
2947 2006-11-29 Duncan Sands <baldrick@free.fr>
2949 PR tree-optimization/23744
2950 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
2952 2006-11-29 Duncan Sands <baldrick@free.fr>
2954 PR tree-optimization/23744
2955 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
2957 2006-11-29 Duncan Sands <baldrick@free.fr>
2959 PR tree-optimization/23744
2960 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
2962 2006-11-29 Jie Zhang <jie.zhang@analog.com>
2964 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
2966 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
2968 * sh.opt (minline-ic_invalidate): New option.
2969 (musermode): Adjust comment.
2970 * sh.c (sh_initialize_trampoline): Emit library call unless
2971 is set; if it is set, don't emit library call if we can use icbi
2973 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
2974 icbi for TARGET_SH4_300.
2975 * t-sh (LIB1ASMFUNCS_CACHE): Set.
2976 * doc/invoke.texi: Document -minline-ic_invalidate; Update
2977 -musermode documentation.
2979 2006-11-29 Jim Tison <jtison@us.ibm.com>
2981 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
2982 __gthread_recursive_mutex_init): Define.
2984 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2986 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
2987 STRICT_ALIGNMENT and the type is more aligned than the saved
2988 registers, copy via a temporary.
2990 2006-11-28 Andrew Pinski <pinskia@gmail.com>
2993 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
2996 2006-11-28 Bob Wilson <bob.wilson@acm.org>
2998 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
3000 2006-11-28 Jan Hubicka <jh@suse.cz>
3002 Privatize SSA variables into gimple_df.
3003 * tree-flow-inline.h
3004 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
3005 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
3006 gimple_nonlocal_all): New accessors.
3007 (first_referenced_var): Update.
3008 (mark_stmt_modified): Update.
3009 (is_call_clobbered): Update.
3010 (mark_call_clobbered): Update.
3011 (clear_call_clobbered): Update.
3012 (mark_non_addressable): Update.
3013 * tree-vrp.c (get_value_range): Update.
3014 * tree-into-ssa.c (in_ssa_p): Kill.
3015 (get_default_def_for): Update.
3016 (rewrite_into_ssa): Update.
3017 * tree-complex.c (init_parameter_lattice_values): Update.
3018 (update_complex_assignment): Update.
3019 (update_parameter_components): Update.
3020 (expand_complex_libcall): Update.
3021 (expand_complex_operations_1): Update.
3022 * tree-tailcall.c (arg_needs_copy_p): Update.
3023 (add_virtual_phis): Update.
3024 (tree_optimize_tail_calls_1): Update.
3025 * tree-ssa-dse.c (memory_ssa_name_same): Update.
3026 * tree-ssa-copyrename.c
3027 (copy_rename_partition_coalesce): Update.
3028 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3029 * tree-ssa-propagate.c (set_rhs): Update.
3030 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3031 addressable_vars, global_var):Kill.
3032 (set_initial_properties): Update.
3033 (init_alias_info): Update.
3034 (finalize_ref_all_pointers): Update.
3035 (setup_pointers_and_addressables): Update.
3036 (maybe_create_global_var): Update.
3037 (create_global_var): Update.
3038 (dump_points_to_info): Update.
3039 * function.h (struct gimple_df): Forward declare.
3040 (struct function): Add GIMPLE_DF field.
3041 * gimplify.c (force_gimple_operand): Update.
3042 * tree-dfa.c (referenced_vars, default_defs): KIll.
3043 (make_rename_temp): Update.
3044 (dump_variable): Update.
3045 (referenced_var_lookup): Update.
3046 (referenced_var_check_and_insert): Update.
3047 (default_def): Rename to ...
3048 (gimple_default_def): ... this one; accept cfun argument.
3049 (set_default_def): Update.
3050 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3051 (cleanup_control_flow): Update.
3052 * tree-ssa-pre.c (compute_avail): Update
3053 * tree-ssa-live.c (calculate_live_on_entry): Update.
3054 * tree-ssa.c (verify_use): Update.
3055 (verify_call_clobbering): Update.
3056 (verify_call_clobbering): Update.
3057 (init_tree_ssa): Update.
3058 (delete_tree_ssa): Update.
3059 * tree-outof-ssa.c (coalesce_ssa_name): Update.
3060 (rewrite_out_of_ssa): Update.
3061 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3062 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3064 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3065 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3066 addressable_vars, aliases_computed_p): Kill.
3067 (default_def): Rename to...
3068 (gimple_default_def): ... this one.
3069 (defaule_def_fn): Kill.
3070 (num_referenced_vars, ssa_names, num_ssa_names): Update.
3071 * tree-ssa-structalias.c (nonlocal_all): Kill.
3072 (get_constraint_exp_from_ssa_var): Update.
3073 (create_nonlocal_var): Update.
3074 (get_constraint_for): Update.
3075 (update_alias_info): Update.
3076 (find_global_initializers): Update.
3077 (intra_create_variable_infos): Update.
3078 (intra_create_variable_infos):
3079 (find_what_p_points_to): Update.
3080 (init_alias_heapvars): Update.
3081 * tree-cfg.c (remove_bb): Update.
3082 (gimplify_val): Update.
3083 * tree-ssa-reassoc.c (get_rank): Update.
3084 (init_reassoc): Update.
3085 * tree-ssanames.c: Do not include gt-tree-ssanames.h
3086 (ssa_names, free_ssanames): Kill.
3087 (init_ssanames): Update.
3088 (make_ssa_name): Update.
3089 (release_ssa_name): Update.
3090 (release_defs): Update.
3091 (replace_ssa_name_symbol): Update.
3092 * tree-ssa-operands.c (access_can_touch_variable): Update.
3093 (add_virtual_operand): Update.
3094 (add_call_clobber_ops): Update.
3095 (add_call_read_ops): Update.
3096 (get_call_expr_operands): Update.
3097 (get_asm_expr_operands): Update.
3099 2006-11-28 Jan Hubicka <jh@suse.cz>
3101 * builtins.c: Include tree-flow.h.
3102 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3103 assignment; convert memmove to memcpy for sizes greater than 1 where
3104 alignment of operands prohibit the partial overlap.
3106 2006-11-28 Jan Hubicka <jh@suse.cz>
3108 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3109 * cgraph.c (dump_cgraph_node): Dump stack usage.
3110 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3111 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3112 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3113 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3114 (cgraph_check_inline_limits): Limit stack growth.
3115 * cfgexpand.c: Include tree-inline.h.
3116 (account_stack_vars): New function.
3117 (expand_one_var): New param to just account the stack; return estimated
3119 (expand_used_vars_for_block): Update call of expand_one_var.
3120 (account_used_vars_for_block): New function.
3121 (estimated_stack_frame_size): Likewise.
3122 (init_vars_expansion, fini_vars_expansion): Break out from..
3123 (expand_used_vars): ... here.
3124 * tree-inline.h (estimated_stack_frame_size): Declare.
3125 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3127 2006-11-28 Richard Guenther <rguenther@suse.de>
3129 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3130 unsigned long for printing OBJECT_SIZE.
3132 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
3134 * alias.c (init_alias_analysis): Remove simplification loop
3135 after propagating pointers.
3137 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3139 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3142 2006-11-27 Bob Wilson <bob.wilson@acm.org>
3144 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3146 2006-11-27 Roger Sayle <roger@eyesopen.com>
3147 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3149 * c-common.c (constant_fits_type_p): Delete.
3150 (unsigned_conversion_warning): Delete.
3151 (conversion_warning): Integrate Wconversion warning from
3152 unsigned_conversion_warning.
3153 (convert_and_check): Integrate Woverflow warning from
3154 unsigned_conversion_warning. Reorganize and simplify to avoid
3155 dependence upon the middle-end setting TREE_OVERFLOW on integral
3156 conversions, by using int_fits_type_p directly.
3158 2006-11-27 Tobias Burnus <burnus@net-b.de>
3160 * doc/invoke.texi: Fixed typo.
3162 2006-11-27 Michael Matz <matz@suse.de>
3163 Andreas Krebbel <krebbel1@de.ibm.com>
3166 * config/s390/predicates.md (larl_operand): Check addend of larl
3167 operand to be in range of -/+2GB.
3168 * config/s390/s390.c (legitimize_pic_address): Likewise.
3169 Changed type of variable even to HOST_WIDE_INT.
3171 2006-11-27 Jan Hubicka <jh@suse.cz>
3173 * expr.c (emit_block_move_via_libcall): Export.
3174 (clear_storage_via_libcall): Rename to ...
3175 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
3176 (clear_storage): Update to set_storage_via_libcall.
3177 * expr.h (emit_block_move_via_libcall): Declare
3178 * config/i386/i386.h (stringop_alg): New enum.
3179 (MAX_STRINGOP_ALGS): New constant.
3180 (stringop_algs): New struct.
3181 (processor_costs): Add memcpy/memset descriptors.
3182 (TARGET_REP_MOVEL_OPTIMAL): Remove.
3183 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
3184 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
3186 * config/i386/i386.opt (minline-stringops-dynamically,
3187 mstringop-strategy): New
3189 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
3190 (ix86_expand-clrmem): Rename to ...
3191 (ix86_expand_setmem): ... this one; update prototype.
3192 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
3193 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
3194 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
3195 nocona_cost, core2_cost, generic_cost, generic64_cost,
3196 generic32_cost): Add memcpy/memset descriptors.
3197 (x86_rep_movl_optimal): Remove.
3198 (stringop_alg): New static variable.
3199 (ix86_expand_aligntest): Handle predictions.
3200 (override_options): Add strgop_alg handling.
3201 (predict_jump): New function.
3202 (scale_counter): New function.
3203 (expand_set_or_movmem_via_loop): New function.
3204 (expand_movmem_via_rep_mov): New function.
3205 (expand_setmem_via_rep_stots): New function.
3206 (emit_strmov): New function.
3207 (expand_movmem_epilogue): New function.
3208 (expand_setmem_epilogue_via_loop): New function.
3209 (expand_setmem_epilogue): New function.
3210 (expand_movmem_prologue): New function.
3211 (expand_setmem_prologue): New function.
3212 (decide_alg): New function.
3213 (decide_alignment): New function.
3214 (ix86_exand_movmem): Rewrite.
3215 (promote_duplicated_reg): New function.
3216 (ix86_expand_clrmem): Rename to ...
3217 (ix86_expand_setmem): ... this one. Rewrite.
3219 * invoke.texi (minline-stringops-dynamically): New command line option.
3220 (mstringop-strategy): Likewise.
3222 2006-11-27 Jan Hubicka <jh@suse.cz>
3224 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
3225 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
3226 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
3227 * insn-notes.def (FUNCTION_END): Remove.
3228 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
3229 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
3231 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
3232 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
3233 * cfglayout.c (duplicate_insn_chain): Don't worry about
3236 2006-11-27 Richard Guenther <rguenther@suse.de>
3237 Zdenek Dvorak <dvorakz@suse.cz>
3239 * target.h (struct gcc_target): Add builtin_vectorized_function
3241 * target-def.h (TARGET_VECTORIZE): Likewise.
3242 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3243 Document new target hook.
3244 * targhooks.h (default_builtin_vectorized_function): Declare.
3245 * targhooks.c (default_builtin_vectorized_function): Define.
3246 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
3247 (vectorizable_call): Declare.
3248 * tree-vect-analyze.c (vect_analyze_operations): Call
3250 * tree-vect-transform.c (vectorizable_function): New static function.
3251 (build_vectorized_function_call): Likewise.
3252 (vectorizable_call): New function.
3253 (vect_transform_stmt): Handle vectorizable calls.
3255 2006-11-27 Richard Guenther <rguenther@suse.de>
3258 * builtins.c (expand_builtin_pow): Optimize non integer valued
3259 constant exponents using sqrt or cbrt if possible. Always fall back
3260 to expanding via optabs.
3262 2006-11-27 Ira Rosen <irar@il.ibm.com>
3264 PR tree-optimization/22372
3265 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
3266 the type of the base address.
3267 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
3268 it in the data-ref pointer creation.
3269 (vect_init_vector): Add an argument, type of the init vector. Use it in
3271 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
3272 (get_initial_def_for_reduction): Likewise.
3273 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
3275 (vectorizable_assignment, vect_permute_store_chain): Likewise.
3276 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
3277 correct type in stmt creation.
3278 (vect_setup_realignment): Use the correct type in stmt creation.
3279 (vect_permute_load_chain): Change type of MODIFY_EXPR to
3281 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
3282 of MODIFY_EXPR to void_type_node.
3283 (vectorizable_condition): Change type of MODIFY_EXPR to
3285 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3288 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3291 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3292 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3293 standard 80387 constants, raise the cost to prevent
3294 compress_float_constant() to generate load from memory.
3296 * config/i386/i386.md: Add new splitter pattern to split
3297 float_extended load of constant from constant pool into
3300 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3302 * doc/install.texi: Move GMP/MPFR configure options from Fortran
3303 section to general section. Remove documentation for
3304 --with-mpfr-dir and --with-gmp-dir, add documentation for
3305 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3308 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3310 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3312 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3314 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3316 PR tree-optimization/29122
3317 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3318 for the new version. Assign NULL to DECL_RTL of the new version.
3320 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3322 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3324 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3326 * cse.c (cse_altered): Remove.
3327 (record_jump_equiv): Make true/false argument a bool instead
3329 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3330 where appropriate. Emit a new jump before the existing one
3331 instead of after so that delete_insn_and_edges removes the
3332 dead edges properly. Check any_condjump_p before calling
3334 (cse_basic_block): Check any_condjump_p before calling
3336 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3338 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3340 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3341 -ffixed-line-length-* options.
3343 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3345 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3346 (fprem1xf4): Rename to fprem1xf4_i387.
3348 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3349 Rename patterns to fmod<mode>3. Use general_operand operand
3350 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3351 patterns for SSE math.
3352 (remaindersf3, remainderdf3): Ditto.
3354 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3356 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3357 inside start_sequence / end_sequence pair.
3359 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3361 * jump.c (mark_all_labels): Work in cfglayout mode.
3362 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3363 when in cfglayout mode, because there are no dead jumptables
3365 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3367 (commit_edge_insertions): Do not allow insertion of instructions
3368 with control flow insns when in cfglayout mode.
3370 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3372 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3374 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3375 unswitch_loop): Ditto.
3376 * tree-loop-linear.c (linear_transform_loops): Ditto.
3377 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3378 tree_ssa_lim): Ditto.
3379 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3380 free_numbers_of_iterations_estimates): Ditto.
3381 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3382 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3383 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3384 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3385 place_new_loop, duplicate_loop, duplicate_subloops,
3386 update_single_exit_for_duplicated_loops, copy_loops_to,
3387 duplicate_loop_to_header_edge, create_preheaders,
3388 force_single_succ_latches, loop_version, fix_loop_structure):
3390 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3391 tree_unroll_loop): Ditto.
3392 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3393 * tree-scalar-evolution.c (select_loops_exit_conditions,
3394 scev_initialize, scev_analysis): Ditto.
3395 * tree-scalar-evolution.h (scev_initialize): Ditto.
3396 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3397 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3398 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3399 * modulo-sched.c (sms_schedule): Ditto.
3400 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3401 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3402 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3403 * ifcvt.c (if_convert): Ditto.
3404 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3405 canonicalize_loop_induction_variables,
3406 canonicalize_induction_variables,
3407 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3408 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3409 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3410 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3411 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3412 tree_ssa_loop_done): Ditto.
3413 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3414 estimate_bb_frequencies): Ditto.
3415 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3416 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3417 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3418 decide_unrolling_and_peeling, peel_loop_completely,
3419 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3420 peel_loop_simple, unroll_loop_stupid): Ditto.
3421 * loop-doloop.c (doloop_optimize_loops): Ditto.
3422 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3423 * loop-invariant.c (move_loop_invariants): Ditto.
3424 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3425 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3426 tree_ssa_prefetch_arrays): Ditto.
3427 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3429 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3430 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3431 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3432 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3433 verify_loop_structure): Ditto.
3434 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3435 canonicalize_induction_variables, tree_unroll_loops_completely,
3436 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3437 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3438 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3439 tree_unroll_loop, linear_transform_loops): Declaration changed.
3440 * basic-block.h: Remove declaration of struct loops.
3441 * cfghooks.h (struct cfg_hooks): Change type of
3442 cfg_hook_duplicate_loop_to_header_edge.
3443 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3444 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3445 vect_transform_loop): Declaration changed.
3446 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3447 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3448 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3449 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3450 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3451 loopify, loop_version, remove_path, unswitch_loops,
3452 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3453 Declaration changed.
3455 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3457 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3458 (X87MODEF): New mode macro.
3459 (ssemodefsuffix): New mode attribute.
3460 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3461 (sqrt_extend<mode>xf2_i387): New insn pattern.
3462 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3463 insn and truncate result back to original mode using
3464 UNSPEC_TRUNC_NOOP truncation.
3465 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3466 ssemodefsuffix mode attribute.
3467 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3468 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3469 (*sqrtextenddfxf2_i387): Remove insn patterns.
3471 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3472 truncation patterns.
3474 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3476 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3479 * c-tree.h (c_maybe_initialize_eh): New prototype.
3480 * c-decl.c (finish_decl): Move EH initialization...
3481 (c_maybe_initialize_eh): ... here. New function.
3482 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3483 if not #pragma omp atomic.
3486 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3487 or UNION_TYPE inner types.
3489 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3492 * ipa-pure-const.c (check_tree): If the original tree
3493 is volatile return early and say the function is not pure
3494 nor const. Remove the volatile check for writes.
3495 (analyze_function): Print out the result of the local
3498 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3500 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3502 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3503 * config/rs6000/rs6000.c (rs6000_override_options): Use
3504 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3507 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3509 * config/s390.c (s390_emit_compare_and_swap): New function.
3510 (s390_expand_cs_hqi, s390_expand_atomic): Call
3511 s390_emit_compare_and_swap.
3513 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3515 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
3517 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3521 * c-common.c (conversion_warning): New.
3522 (convert_and_check): Call conversion_warning unless there is an
3524 * doc/invoke.texi (-Wconversion): Update description.
3526 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
3528 * tree-ssa-alias.c (tree_pointer_compare): New function.
3529 (compact_name_tags): New function.
3530 (group_aliases): Call compact_name_tags.
3532 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3534 * real.h (real_isinteger): Declare.
3535 * real.c (real_isinteger): Define.
3536 * builtins.c (integer_valued_real_p): Use it.
3538 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3541 * c.opt (Wtraditional-conversion): New.
3542 (Wconversion): Update description.
3543 * c-typeck.c (convert_arguments): Warnings for prototypes causing
3544 type conversions different from what would happen in the absence
3545 of prototype are now handled by Wtraditional-conversion.
3546 * doc/invoke.texi (Wtraditional-conversion): New.
3547 (Wconversion): Update description.
3548 * doc/trouble.texi (Wconversion): Replace Wconversion by
3549 Wtraditional-conversion.
3551 2006-11-23 Andrew Pinski <pinskia@gmail.com>
3553 * predict.c (tree_estimate_probability): Check to make
3554 sure current_loops is non null before calling flow_loops_dump.
3556 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3558 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
3560 2006-11-23 David Ung <davidu@mips.com>
3562 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
3564 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
3565 (ASM_SPEC): Pass along -mfp32 and -mfp64.
3566 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
3567 high part of FP register when in 64-bit FP register mode. Similarly
3568 use gen_mfhc1 to load high part of FP register.
3569 (override_options): Allow -mgp32 and -mfp64 combination if
3570 ISA_HAS_MXHC1 (currently for O32 only).
3571 (mips_cannot_change_mode_class): If floating-point registers are
3572 bigger than word size. disallow conversion of float register from a
3573 large integer mode to a float mode smaller than the float register
3575 (mips_class_max_nregs): Handle float registers case seperately.
3576 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
3578 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
3579 (movdf_hardfloat_32bit): Similarly.
3580 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
3581 support a full 64-bit fpu.
3582 (mthc1): New pattern to generate MTHC1 instruction.
3583 (mfhc1): New pattern to generate MFHC1 instruction.
3584 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
3585 option for the MIPS32R2 and mention its use under O32 ABI.
3587 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3589 * var-tracking.c (emit_note_insn_var_location): Take care not to
3590 cause verify_flow_info failures.
3592 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
3594 * tree-ssa-structalias.c: Remove edge weights in favor of just
3595 processing them as complex constraints.
3596 (struct constraint_graph): Remove weighted succs and preds. Rename
3597 nonweighted succs and preds.
3598 (constraint_edge): Removed.
3599 (constraint_edge_t): Ditto.
3600 (constraint_edge_pool): Ditto.
3601 (new_constraint_edge): Ditto.
3602 (constraint_edge_equal): Ditto.
3603 (constraint_edge_less): Ditto.
3604 (constraint_edge_vec_find): Ditto.
3605 (erase_self_graph_edge): Ditto.
3606 (add_graph_edge): Removed.
3607 (get_graph_weights): Ditto.
3608 (allocate_graph_weights): Ditto.
3609 (valid_weighted_graph_edge): Ditto
3610 (bitmap_other_than_zero_bit_set): Ditto.
3611 (int_add_graph_edge): Renamed to add_graph_edge.
3612 (clear_edges_for_node): Remove support for weighted edges.
3613 (merge_graph_nodes): Ditto.
3614 (valid_graph_edge): Ditto.
3615 (build_constraint_graph): Ditto.
3617 (collapse_nodes): Ditto.
3618 (process_unification_queue): Ditto.
3619 (topo_visit): Ditto.
3620 (do_ds_constraint): Ditto.
3621 (perform_var_subsitution): Ditto.
3622 (solve_graph): Ditto.
3623 (init_alias_vars): Ditto.
3624 (delete_points_to_sets): Ditto.
3625 (do_complex_constraint): Support offsetted copies here.
3627 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
3629 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
3631 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
3633 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
3636 2006-11-23 Ben Elliston <bje@au.ibm.com>
3638 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
3640 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
3642 PR tree-optimization/29921
3643 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
3644 signed and unsigned zero equal.
3646 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
3648 * config/rs6000/rs6000.c (get_store_dest): New.
3649 (adjacent_mem_locations): Use get_store_dest() to get
3650 the rtl of the store destination.
3652 2006-11-22 Joseph Myers <joseph@codesourcery.com>
3654 * config/rs6000/spe.md (SPE64): New mode macro.
3655 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
3657 (mov_si<mode>_e500_subreg0_2): New.
3658 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
3660 (mov_si<mode>_e500_subreg4_2): New.
3661 * config/rs6000/predicates.md (input_operand): Do not allow
3662 invalid E500 subregs.
3663 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
3665 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
3666 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
3667 involving vector modes if TARGET_SPE.
3669 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
3672 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3673 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3675 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
3677 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
3678 mem_i_address_operand): New predicates.
3679 * config/bfin/bfin.c (bfin_issue_rate): New function.
3680 (TARGET_SCHED_ISSUE_RATE): New macro.
3681 * config/bfin/bfin.md (addrtype): New attribute.
3682 (slot0, slot1, slot2, store, pregs): New cpu_units.
3683 (core): Now a define_reservation.
3684 (alu): Remove some insn types from this reservation.
3685 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
3687 (dummy reservation): Don't trigger for mcld insns.
3688 (absence_sets): Two new absence sets to enforce slot ordering.
3689 (popsi_insn): Set addrtype.
3691 2006-11-22 Ira Rosen <irar@il.ibm.com>
3693 * doc/c-tree.texi: Document new tree codes.
3694 * doc/md.texi: Document new optabs.
3695 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
3697 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
3698 * optabs.h (optab_index): Add new.
3699 (vec_extract_even_optab, vec_extract_odd_optab,
3700 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
3701 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
3702 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
3704 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
3705 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3706 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
3707 along with macros for their access.
3708 * tree-data-ref.h (first_location_in_loop, data_reference): Update
3710 * tree-vect-analyze.c (toplev.h): Include.
3711 (vect_determine_vectorization_factor): Fix indentation.
3712 (vect_insert_into_interleaving_chain,
3713 vect_update_interleaving_chain, vect_equal_offsets): New functions.
3714 (vect_analyze_data_ref_dependence): Add argument for interleaving
3715 check. Check for interleaving if it's true.
3716 (vect_check_dependences): New function.
3717 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
3718 every ddr. Call vect_analyze_data_ref_dependence with new argument.
3719 (vect_update_misalignment_for_peel): Update for interleaving.
3720 (vect_verify_datarefs_alignment): Check only first data-ref for
3722 (vect_enhance_data_refs_alignment): Update for interleaving. Check
3723 only first data-ref for interleaving.
3724 (vect_analyze_data_ref_access): Check interleaving, update
3726 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
3727 with different parameters.
3728 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
3729 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
3730 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
3731 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
3732 Update step in case of interleaving.
3733 (vect_strided_store_supported, vect_permute_store_chain): New
3735 (vectorizable_store): Handle strided stores.
3736 (vect_strided_load_supported, vect_permute_load_chain,
3737 vect_transform_strided_load): New functions.
3738 (vectorizable_load): Handle strided loads.
3739 (vect_transform_stmt): Add argument. Handle strided stores. Check
3740 that vectorized stmt exists for patterns.
3741 (vect_gen_niters_for_prolog_loop): Update calculation for
3743 (vect_transform_loop): Remove stmt_vec_info for strided stores after
3744 whole chain vectorization.
3745 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
3746 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
3747 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
3748 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
3749 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
3751 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
3753 * cse.c (enum taken): Remove PATH_AROUND.
3754 (addr_affects_sp_p, invalidate_skipped_set,
3755 invalidate_skipped_block): Remove.
3756 (cse_end_of_basic_block): Remove skip_blocks and related code.
3757 (cse_main): Don't test for flag_cse_skip_blocks.
3758 Update cse_end_of_basic_block call.
3759 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
3760 code to lengthen the path if a jump was simplified.
3762 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3764 PR rtl-optimization/29924
3765 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
3766 (unroll_loop_runtime_iterations): Assert that the argument passed to
3767 split_edge_and_insert is not NULL.
3768 * loop-doloop.c (add_test): Ditto.
3770 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3772 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
3774 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
3775 * cfgloopmanip.c (update_single_exits_after_duplication,
3776 update_single_exit_for_duplicated_loop, loop_version): Ditto.
3777 * tree-scalar-evolution.c (get_loop_exit_condition,
3778 get_exit_conditions_rec, loop_closed_phi_def,
3779 number_of_iterations_in_loop, scev_const_prop): Ditto.
3780 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
3781 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
3783 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3785 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3786 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
3787 slpeel_make_loop_iterate_ntimes,
3788 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
3789 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3791 * tree-if-conv.c (if_convertible_loop_p): Ditto.
3792 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
3793 vect_analyze_loop_form): Ditto.
3794 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
3795 can_convert_to_perfect_nest, perfect_nestify): Ditto.
3796 * tree-vect-transform.c (vect_create_epilog_for_reduction,
3797 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
3798 vect_transform_loop): Ditto.
3799 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
3800 (single_exit, set_single_exit): New functions.
3801 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
3802 (single_exit, set_single_exit): Declare.
3803 * doc/loop.texi: Undocument single_exit field. Document single_exit
3806 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3808 PR tree-optimization/29902
3809 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
3810 any involved ssa name appears in abnormal phi node.
3812 2006-11-21 Bob Wilson <bob.wilson@acm.org>
3814 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
3815 (xtensa_const_ok_for_letter_p): Delete.
3816 (xtensa_extra_constraint): Delete.
3817 (override_options): Delete xtensa_char_to_class initialization.
3818 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
3819 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3820 (EXTRA_CONSTRAINT): Delete.
3821 * config/xtensa/xtensa.md: Include constraints.md.
3822 (call_internal): Combine alternatives.
3823 (call_value_internal): Likewise, and remove invalid constraints.
3824 * config/xtensa/constraints.md: New file.
3825 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
3826 (xtensa_extra_constraint): Delete.
3827 * doc/md.texi (Machine Constraints): Refer to constraints.md for
3830 2006-11-21 Janis Johnson <janis187@us.ibm.com>
3832 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
3833 of conversion that doesn't fit.
3835 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
3836 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
3837 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
3839 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
3841 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
3843 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
3845 2006-11-21 Richard Guenther <rguenther@suse.de>
3847 * tree-vectorizer.h (NUM_PATTERNS): Increase.
3848 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
3849 vect_recog_pow_pattern.
3850 (vect_recog_pow_pattern): New function.
3852 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
3854 * config/bfin/bfin.opt (mstack-check-l1): New.
3855 * doc/invoke.texi (Blackfin Options): Document it.
3856 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
3857 stack bounds in L1 memory if the new option is enabled.
3858 (override_options): Don't allow combinations of -fstack-limit and
3860 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
3863 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
3865 (bfin_register_move_cost): Bump costs if trying to move plain
3866 integer values through accumulators.
3868 2006-11-21 Ben Elliston <bje@au.ibm.com>
3870 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
3872 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
3873 Russell Olsen <Russell_Olsen@playstation.sony.com>
3874 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
3875 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
3876 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
3877 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
3878 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3880 * config.gcc: Add target for SPU.
3881 * config/spu/constraints.md: New file.
3882 * config/spu/crt0.c: New file.
3883 * config/spu/crtend.c: New file.
3884 * config/spu/crti.asm: New file.
3885 * config/spu/crtn.asm: New file.
3886 * config/spu/float_unsdidf.c: New file.
3887 * config/spu/float_unssidf.c: New file.
3888 * config/spu/predicates.md: New file.
3889 * config/spu/spu-builtins.def: New file.
3890 * config/spu/spu-builtins.h: New file.
3891 * config/spu/spu-builtins.md: New file.
3892 * config/spu/spu-c.c: New file.
3893 * config/spu/spu-elf.h: New file.
3894 * config/spu/spu-modes.def: New file.
3895 * config/spu/spu-protos.h: New file.
3896 * config/spu/spu.c: New file.
3897 * config/spu/spu.h: New file.
3898 * config/spu/spu.md: New file.
3899 * config/spu/spu.opt: New file.
3900 * config/spu/spu_internals.h: New file.
3901 * config/spu/spu_intrinsics.h: New file.
3902 * config/spu/spu_mfcio.h: New file.
3903 * config/spu/t-spu-elf: New file.
3904 * config/spu/vec_types.h: New file.
3905 * config/spu/vmx2spu.h: New file.
3906 * doc/contrib.texi: Document SPU contributor.
3907 * doc/extend.texi: Document SPU extensions.
3908 * doc/invoke.texi: Document SPU options.
3909 * doc/md.texi: Document SPU constraints.
3911 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3913 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
3915 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
3917 (flow_loop_dump): Do not dump loop level.
3918 (flow_loops_find): Do not call flow_loops_level_compute.
3919 * cfgloop.h (struct loop): Remove level field.
3921 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3923 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
3924 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
3925 Use vector of edges instead of array.
3926 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
3927 estimate_numbers_of_iterations_loop): Ditto.
3928 * predict.c (predict_loops): Ditto.
3929 * loop-unroll.c (analyze_insns_in_loop): Ditto.
3930 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
3932 * basic-block.h: Declare heap allocation for edge vectors.
3933 * tree-outof-ssa.c: Ditto.
3934 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
3935 * cfgloop.h (get_loop_exit_edges): Declaration changed.
3937 2006-11-20 Zack Weinberg <zackw@panix.com>
3939 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
3940 Add another out parameter, "skip".
3941 (set_gc_used_type): Adjust calls to process_gc_options. If a field
3942 is tagged "skip", do not mark its type used.
3944 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3947 * tree-sra.c (single_scalar_field_in_record_p): New function.
3948 (decide_block_copy): Use it.
3950 2006-11-20 David Daney <ddaney@avtrex.com>
3952 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3953 PC to point to following instruction.
3955 2006-11-20 Anatoly Sokolov <aesok@post.ru>
3959 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
3961 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
3963 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
3965 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3966 Add sh/superh.h to tm_file.
3968 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
3969 Mark Mitchell <mark@codesourcery.com>
3971 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
3973 (cpp_relocated): New function.
3974 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
3976 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
3977 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
3978 replace configured prefix with gcc_exec_prefix.
3980 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3982 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
3983 bfin_legitimate_constant_p.
3984 * config/bfin/bfin.md (movsi expander): Check return value of
3986 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
3987 (expand_move): Adjust prototype.
3988 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
3989 invalid constants specially.
3990 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
3992 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
3994 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
3995 sibcall_value_symbol): Allow these patterns if
3996 TARGET_LEAF_ID_SHARED_LIBRARY.
3997 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
3998 (override_options): Turn on id shared library flags if -msep-data,
3999 but disallow the combination of these options on the command line.
4000 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
4001 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
4002 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
4003 -mid-shared-library.
4004 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
4005 * doc/invoke.texi (Blackfin Options): Document new switches.
4007 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
4008 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
4010 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
4011 inflate costs for addresses with an out-of-bounds address.
4013 2006-11-19 Andrew Pinski <pinskia@gmail.com>
4016 * fwprop.c (loops): Remove.
4017 (forward_propagate_into): Use current_loops instead of
4019 (fwprop_init): Call loop_optimizer_init instead of
4021 (fwprop_done): Call loop_optimizer_finalize instead of
4023 (fwprop): Use current_loops instead of loops.
4025 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
4028 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4030 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4033 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4034 larger than BITS_PER_WORD.
4036 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4040 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4041 to MAX_FIXED_MODE_SIZE.
4043 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4045 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
4046 (fold_builtin_fmin_fmax): New.
4047 (fold_builtin_1): Use it.
4049 * fold-const.c (fold_strip_sign_ops): Handle copysign.
4051 2006-11-18 Richard Guenther <rguenther@suse.de>
4053 * config/i386/i386.c (ix86_builtins): New array for ix86
4054 builtin function decls.
4055 (def_builtin): New function.
4056 (def_builtin_const): Likewise.
4057 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4059 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
4061 * doc/invoke.texi (core2): Add item.
4063 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4065 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4066 (TARGET_CPU_DEFAULT_generic): Change value.
4067 (TARGET_CPU_DEFAULT_NAMES): Add core2.
4068 (processor_type): Add new constant PROCESSOR_CORE2.
4070 * config/i386/i386.md (cpu): Add core2.
4072 * config/i386/i386.c (core2_cost): New initialized variable.
4073 (m_CORE2): New macro.
4074 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4075 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4076 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4077 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4078 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4079 x86_accumulate_outgoing_args, x86_prologue_using_move,
4080 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4081 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4082 x86_use_incdec, x86_four_jump_limit, x86_schedule,
4083 x86_pad_returns): Add m_CORE2.
4084 (override_options): Add entries for Core2.
4085 (ix86_issue_rate): Add case for Core2.
4087 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
4089 * doc/invoke.texi: Fix mno-isel typo.
4091 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4093 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4094 easy vector constant loads.
4096 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4098 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4099 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4100 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4101 * config/rs6000/sync.md (lwsync): Emit plain sync if
4104 2006-11-17 DJ Delorie <dj@redhat.com>
4106 * reload1.c (reloads_unique_chain): New.
4107 (reloads_conflict): Call it.
4109 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4111 * config/xtensa/predicates.md (addsubx_operand): New.
4112 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4113 (xtensa_emit_bit_branch): New.
4114 (xtensa_emit_movcc): New.
4115 * config/xtensa/xtensa.md (any_minmax): New code macro.
4116 (minmax): New code attribute.
4117 (any_cond, any_scc, any_scc_sf): New code macros.
4118 (*addx2, *addx4, *addx8): Delete.
4120 (*subx2, *subx4, *subx8): Delete.
4122 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4123 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4124 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4125 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4126 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4127 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4128 (movsfcc_internal0, movsfcc_internal1): Likewise.
4129 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4130 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4131 (xtensa_emit_bit_branch): New.
4132 (xtensa_emit_movcc): New.
4133 (function_arg_boundary): Add missing prototype.
4135 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4137 * config/xtensa/xtensa.md (tstsi): Delete
4139 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4141 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4143 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4145 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4147 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4149 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
4151 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4153 * tree-vrp.c (execute_vrp): Do not update current_loops.
4154 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
4155 * doc/loop.texi: Remove documentation for cancelled functions.
4156 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
4157 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
4159 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
4160 (remove_path): Ensure that in delete_basic_blocks, the loops
4161 are still allocated.
4162 (add_loop): Work on valid loop structures.
4163 (loopify): Modify call of add_loop.
4164 (mfb_update_loops): Removed.
4165 (create_preheader): Do not update loops explicitly.
4166 (force_single_succ_latches, loop_version): Do not use
4167 loop_split_edge_with.
4168 (loop_split_edge_with): Removed.
4169 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
4170 Do not use bsi_insert_on_edge_immediate_loop.
4171 (split_loop_exit_edge, tree_unroll_loop): Do not use
4172 loop_split_edge_with.
4173 (bsi_insert_on_edge_immediate_loop): Removed.
4174 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
4175 use loop_split_edge_with.
4176 * cfghooks.c: Include cfgloop.h.
4177 (verify_flow_info): Verify that loop_father is filled iff current_loops
4179 (redirect_edge_and_branch_force, split_block, delete_basic_block,
4180 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4182 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4184 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
4185 loop_split_edge_with.
4186 (sms_schedule): Use current_loops.
4187 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
4188 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
4190 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
4191 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
4192 * ifcvt.c (if_convert): Ditto.
4193 * predict.c (predict_loops): Do not clear current_loops.
4194 (tree_estimate_probability): Use current_loops.
4195 (propagate_freq): Receive head of the region to propagate instead of
4197 (estimate_loops_at_level): Do not use shared to_visit bitmap.
4198 (estimate_loops): New function. Handle case current_loops == NULL.
4199 (estimate_bb_frequencies): Do not allocate tovisit. Use
4201 * tree-ssa-loop.c (current_loops): Removed.
4202 (tree_loop_optimizer_init): Do not return loops.
4203 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
4204 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
4205 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
4206 Do not update loops explicitly.
4207 * function.h (struct function): Add x_current_loops field.
4208 (current_loops): New macro.
4209 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
4210 * loop-unroll.c (split_edge_and_insert): New function.
4211 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
4212 use loop_split_edge_with.
4213 * loop-doloop.c (add_test, doloop_modify): Ditto.
4214 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
4215 * cfglayout.c (copy_bbs): Do not update loops explicitly.
4216 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
4217 * tree-vect-transform.c (vect_transform_loop): Do not update loops
4219 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
4220 (flow_loops_free): Do not free dfs_order and rc_order.
4221 (flow_loops_find): Do not set dfs_order and rc_order in loops
4222 structure. Do not call loops and flow info verification.
4223 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
4224 already belongs to some loop.
4225 * cfgloop.h (struct loops): Remove struct cfg.
4226 (current_loops, loop_split_edge_with): Declaration removed.
4227 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
4228 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
4229 Declaration removed.
4230 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
4231 * basic-block.h (split_edge_and_insert): Declare.
4232 * tree-cfg.c (remove_bb): Do not update loops explicitly.
4234 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4236 PR tree-optimization/29801
4237 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
4238 (get_default_value): Use get_symbol_constant_value.
4239 (set_lattice_value): ICE when the value of the constant is
4241 (visit_assignment): Ignore VDEFs of read-only variables.
4243 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4245 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
4247 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4248 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
4250 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4252 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
4253 select subvars of var.
4255 2006-11-17 Jakub Jelinek <jakub@redhat.com>
4258 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
4259 optimize if DEF doesn't have integral type.
4261 2006-11-16 Mike Stump <mrs@apple.com>
4263 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
4264 pre-darwin9 system, unless the user asks for it directly.
4265 (PREFERRED_DEBUGGING_TYPE): Likewise.
4266 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4267 * config.gcc: Add suppport for darwin9.h.
4268 * config/darwin9.h: Add.
4269 * doc/install.texi (Specific): Clarify darwin documentation.
4271 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4273 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
4274 optimizing for size.
4276 2006-11-16 Mike Stump <mrs@apple.com>
4278 * Makefile.in (targhooks.o): Add $(OPTABS_H).
4280 2006-11-16 Dirk Mueller <dmueller@suse.de>
4282 * tree-vrp.c (get_value_range): Use XCNEW instead
4284 (insert_range_assertions): Use XCNEWVEC instead
4285 of XNEWVEC and memset.
4286 (vrp_initialize): Same.
4287 (vrp_finalize): Same.
4288 * tree-ssa-ccp.c (ccp_initialize): Same.
4289 * predict.c (tree_bb_level_predictions): Same.
4290 * calls.c (expand_call): Same.
4291 * tree-ssa-copy.c (init_copy_prop): Same.
4292 (fini_copy_prop): Same.
4293 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
4294 of GGC_NEW and memset.
4296 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
4299 * gimplify.c (gimplify_expr): Only force a load for references to
4300 non-BLKmode volatile values.
4301 * doc/implement-c.texi (Qualifiers implementation): Document the
4302 interpretation of what a volatile access is.
4303 * doc/extend.texi (C++ Extensions): Rework same documentation.
4305 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4307 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4310 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4312 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4314 (arm_neg_abssi2): Renamed from neg_abssi2.
4315 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4317 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4319 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4320 number of arguments passed to local functions in SSE registers is 3.
4322 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4323 number of arguments passed in SSE registers to 3.
4325 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4328 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4330 (get_last_bb_insn): ... new global function.
4331 (basic_block.h): Declare it.
4332 * haifa-sched.c (create_recovery_block): Use it.
4334 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4337 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4339 2006-11-15 Paul Brook <paul@codesourcery.com>
4341 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4342 _Unwind_GetTextRelBase): Move from here ...
4343 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4344 _Unwind_GetTextRelBase): ... To here.
4346 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4348 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4349 addresses we generate for testing are aligned.
4351 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4354 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4355 to what is the const decl is a place holder for.
4357 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4359 * config/i386/i386.opt: New target option -mx87regparm.
4361 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4362 and float_in_x87 variables. mmx_words, sse_words: Remove.
4363 (X87_REGPARM_MAX): Define.
4365 * config/i386/i386.c (override_options): Error out for
4366 -mx87regparm but no 80387 support.
4367 (ix86_attribute_table): Add x87regparm.
4368 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4369 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4370 (ix86_function_x87regparm): New function.
4371 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4373 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4375 (function_arg_advance): Process x87_nregs and x87_regno when
4376 floating point argument is to be passed in 80387 register.
4377 (function_arg): Pass XFmode arguments in 80387 registers for local
4378 functions. Pass SFmode and DFmode arguments to local functions
4379 in 80387 registers when flag_unsafe_math_optimizations is set.
4381 * reg-stack.c (convert_regs_entry): Disable NaN load for
4382 stack registers that are used for argument passing.
4384 * doc/extend.texi: Document x87regparm function attribute.
4385 * doc/invoke.texi: Document -mx87regparm.
4387 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4389 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4390 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4391 arg MODE; all callers changed. Use it to determine validity per
4392 machine mode instead of using Pmode for all memory references.
4393 (get_address_cost): Likewise add and use new arg MEM_MODE.
4395 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4396 J"orn Rennecke <joern.rennecke@st.com>
4398 * combine.c (likely_spilled_retval_1): Fix masking operation.
4399 (likely_spilled_retval_p): Use proper pattern for call to
4400 likely_spilled_retval_1.
4402 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4404 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4406 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4407 that tests for CONSTANT_POOL_ADDRESS_P.
4409 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4411 PR tree-optimization/29581
4412 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4413 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4414 type is different between Y and USE, create a temporary
4415 variable, initialize it at the beginning of the body bb
4416 and use it as replacement instead of Y.
4418 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4421 * gimplify.c (fold_indirect_ref_rhs): Use
4422 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4424 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4426 * expmed.c (emit_store_flag_1): New function.
4427 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4429 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4430 Use do_compare_rtx_and_jump.
4431 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4432 * arm.md (cstoresi4): New define_expand.
4433 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4434 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4435 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4437 2006-11-14 Caroline Tice <ctice@apple.com>
4439 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4440 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4442 (pubname_table): Redefine as a vector.
4443 (pubtype_table): New static global variable, defined as a vector.
4444 (pubname_table_allocated): Remove static global variable.
4445 (pubname_table_in_use): Remove static global variable.
4446 (PUBNAME_TABLE_INCREMENT): Remove constant.
4447 (size_of_pubnames): Add parameter to deal with either pubnames or
4448 pubtypes, and change code to deal with table being a vector.
4449 (add_pubname): Change to deal with table being a vector.
4450 (add_pubtype): New function.
4451 (output_pubnames): Add parameter to deal with either pubnames or
4452 pubtypes, and change code to deal with table being a vector.
4453 (gen_array_type_die): Add call to add_pubtype.
4454 (gen_enumeration_type_die): Add call to add_pubtype.
4455 (gen_struct_or_union_type_die): Add call to add_pubtype.
4456 (gen_subroutine_type_die): Add call to add_pubtype.
4457 (gen_typedef_die): Add call to add_pubtype.
4458 (dwarf2out_init): Add code to initialize pubname_table and
4459 pubtype_table vectors; also initialize debug_pubtypes_section.
4460 (prune_unused_types): Change to deal with pubnames being a vector.
4461 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4462 pubnames table to call to output_pubnames; Add code to output pubtypes
4463 table if DEBUG_PUBTYPES_SECTION is defined.
4464 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4466 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4468 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4470 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4471 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4472 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4473 movv2si_internal): Support moves between core registers.
4475 2006-11-14 Eric Christopher <echristo@apple.com>
4477 * configure: Regenerate with autoconf 2.59.
4479 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4481 Fix PR tree-optimization/27755
4483 * tree-ssa-pre.c: Update comments.
4484 (bb_bitmap_sets): Add pa_in and deferred member.
4485 (BB_DEFERRED): New macro.
4486 (maximal_set): New variable.
4487 (pre_stats): Add pa_insert member.
4488 (bitmap_set_and): Short circuit orig == dest.
4489 (bitmap_set_subtract_values): New function.
4490 (bitmap_set_contains_expr): Ditto.
4491 (translate_vuses_through_block): Add phiblock argument.
4492 (dependent_clean): New function.
4493 (compute_antic_aux): Update for maximal_set changes.
4494 (compute_partial_antic_aux): New function.
4495 (compute_antic): Handle partial anticipation.
4496 (do_partial_partial_insertion): New function.
4497 (insert_aux): Handle partial anticipation.
4498 (add_to_sets): Add to maximal set.
4499 (compute_avail): Ditto.
4500 (init_pre): Initialize maximal_set.
4501 (execute_pre): Do partial anticipation if -O3+.
4503 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4505 PR rtl-optimization/29798
4507 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4508 TARGET_INSN before any other check.
4509 (fwprop_init): Always calculate dominators.
4510 (fwprop_done): Always free them.
4512 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4514 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
4517 2006-11-13 DJ Delorie <dj@redhat.com>
4519 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
4520 temporary for intermediates.
4522 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
4524 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
4525 (sh_optimize_target_register_callee_saved): #if 0 the code
4526 using NOTE_INSN_LOOP_{BEG,END}.
4528 2006-11-13 Roger Sayle <roger@eyesopen.com>
4530 * fold-const.c (optimize_bit_field_compare): Recursively call
4531 fold when simplifying non-constant comparisons between bit-fields.
4533 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4535 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
4537 * configure: Rebuilt.
4539 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
4541 * config/rs6000/cell.md: New file.
4542 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
4544 (ppccell_cost): New cost matrix.
4545 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
4546 (rs6000_override_options): Set rs6000_always_hint to false
4547 for cell. Also align functions/lables/loops to 8byte
4548 for the Cell. Use PROCESSOR_CELL.
4549 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
4550 using_mtcr_multiple.
4551 (rs6000_variable_issue): If the insn is a nonpipelined instruction
4552 on the Cell, return 0.
4553 (rs6000_adjust_cost): Add Cell cost adjustments.
4554 (is_microcoded_insn): Return true for Cell microcoded
4556 (is_nonpipeline_insn): New function.
4557 (rs6000_issue_rate): Add PROCESSOR_CELL.
4558 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
4560 (rs6000_use_sched_lookahead_guard): New function.
4561 (rs6000_sched_reorder): Reorder the ready list, if the second
4562 to last ready insn is a nonepipeline insn on the Cell.
4563 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
4564 (ASM_CPU_SPEC): Add Cell.
4565 * config/rs6000/rs6000.md (cpu): Add Cell.
4566 (cell_micro): New Attr.
4569 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4571 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
4573 * configure: Rebuilt.
4575 2006-11-13 Richard Guenther <rguenther@suse.de>
4577 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
4579 (ix86_expand_lfloorceil): Likewise.
4580 (ix86_expand_rint): Likewise.
4581 (ix86_expand_floorceildf_32): Likewise.
4582 (ix86_expand_floorceil): Likewise.
4583 (ix86_expand_rounddf_32): Likewise.
4584 (ix86_expand_truncdf_32): Likewise.
4585 (ix86_expand_round): Likewise.
4587 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
4588 Mark Mitchell <mark@codesourcery.com>
4590 * gcc.c: Organize search path variables into $prefix relative,
4591 and well-known native. Add comments.
4592 (add_sysrooted_prefix): Add comment.
4593 (process_command): If !gcc_exec_prefix add $prefix based paths.
4594 If *cross_compile == '0', add native well-known paths.
4595 Assert tooldir_base_prefix is always relative.
4596 (main): If print_search_dirs, and if gcc_exec_prefix is set,
4597 use this value for 'install:' path.
4598 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
4600 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4602 * config/i386/i386.c: Fix a typo in comment.
4604 2006-11-13 Michael Matz <matz@suse.de>
4606 * genemit.c (gen_expand): Allocate enough memory.
4608 2006-11-13 Joseph Myers <joseph@codesourcery.com>
4610 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
4611 __GXX_TYPEINFO_EQUALITY_INLINE but not
4612 __GXX_MERGED_TYPEINFO_NAMES.
4613 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
4614 __GXX_MERGED_TYPEINFO_NAMES.
4615 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
4616 __GXX_TYPEINFO_EQUALITY_INLINE.
4618 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4619 Zdenek Dvorak <dvorakz@suse.cz>
4621 PR tree-optimization/29680
4622 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
4625 2006-11-12 Jason Merrill <jason@redhat.com>
4626 Andrew Pinski <pinskia@physics.uc.edu>
4629 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
4631 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
4633 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
4634 * tree.c (build_vector): Handle non-_CST elements.
4636 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4638 * genemit.c (gen_insn): Call gen_exp with a non-null used
4639 when handling multiple insns.
4640 (gen_expand): Likewise.
4641 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4642 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
4643 (movsi_const_16bit+1): Copy operands[1].
4644 (call_pcrel): Copy the call_site pattern.
4645 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
4647 2006-11-12 Roger Sayle <roger@eyesopen.com>
4649 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
4650 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
4651 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
4652 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
4654 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
4656 Fix PR tree-optimization/29587
4657 * tree-ssa-structalias.c (process_constraint): Don't
4658 mark address taken due only to escaped vars constraint.
4660 2006-11-12 Michael Matz <matz@suse.de>
4661 Roger Sayle <roger@eyesopen.com>
4663 PR rtl-optimization/29797
4664 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
4665 BITS_BIG_ENDIAN targets.
4667 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4669 * builtins.c (fold_builtin_cosh): New.
4670 (fold_builtin_1): Use it.
4671 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
4672 trunc to the list of "odd" functions. Also add llrint, lrint,
4673 rint and nearbyint when flag_rounding_math is false.
4675 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4677 * tree-flow.h (name_mappings_registered_p): Declare.
4678 * tree-into-ssa.c (name_mappings_registered_p): New function.
4679 * tree-cfg.c (tree_can_merge_blocks_p): Check
4680 name_mappings_registered_p instead of need_ssa_update_p.
4682 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4684 * tree-ssa-loop.c (tree_vectorize): Return the result of
4686 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
4687 if anything changed.
4688 * tree-vectorizer.h (vectorize_loops): Declaration removed.
4689 * tree-flow.h (vectorize_loops): Declaration changed.
4691 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4693 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
4695 (issue_prefetch_ref): Move assignment to write_p out of loop.
4696 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
4697 SIMULTANEOUS_PREFETCHES into account.
4698 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
4699 * lambda-code.c (lcm): Renamed to ...
4700 (least_common_multiple): ... and exported.
4701 * tree-flow.h (least_common_multiple): Declare.
4703 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4705 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
4706 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
4707 ud-chains. Handle AND_EXPR.
4708 (record_estimate): Record whether the estimate is realistic
4709 and whether it is derived from a loop exit.
4710 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
4711 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
4713 (compute_estimated_nb_iterations): Take only realistic bounds into
4714 account. Set estimate_state. Use double_ints.
4715 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
4716 and infer_loop_bounds_from_signedness. Do not consider basic blocks
4717 that do not have to be always executed.
4718 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
4719 to determine whether to call infer_loop_bounds_from_undefined
4720 and compute_estimated_nb_iterations.
4721 (n_of_executions_at_most): Use double_ints.
4722 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
4723 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
4724 * double-int.c (double_int_to_tree): Improve comment.
4725 (double_int_fits_to_tree_p): New function.
4726 * double-int.h (double_int_fits_to_tree_p): Declare.
4727 * tree-data-ref.c: Include langhooks.h.
4728 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
4729 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
4730 (analyze_array): Do not pass estimate_only argument to
4731 analyze_array_indexes.
4732 (get_number_of_iters_for_loop): Build tree from the stored double_int
4734 (get_references_in_stmt, find_data_references_in_stmt): New functions.
4735 (find_data_references_in_loop): Use find_data_references_in_stmt.
4736 * tree-data-ref.h (struct data_ref_loc_d): New.
4737 (get_references_in_stmt): Declare.
4738 (estimate_iters_using_array): Declaration removed.
4739 * cfgloop.h (struct nb_iter_bound): Change type of bound to
4740 double_int. Improve comments. Add is_exit and realistic
4742 (struct loop): Changed type of estimated_nb_iterations to double_int.
4743 Added estimate_state field.
4744 (record_estimate): Declaration removed.
4746 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4748 * params.c (set_param_value): Initialize the "set" field.
4749 * params.h (struct param_info): Add "set" field.
4750 (PARAM_SET_P): New macro.
4751 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
4752 L1_CACHE_LINE_SIZE): New macros.
4753 * toplev.c (DEFPARAM): Initialize the "set" field.
4754 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
4755 SIMULTANEOUS_PREFETCHES): Removed.
4756 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
4757 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
4758 * config/sparc/sparc.c: Include params.h.
4759 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
4760 L1_CACHE_LINE_SIZE parameters.
4761 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4763 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4765 * config/i386/i386.c: Include params.h.
4766 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
4767 (override_options): Set SIMULTANEOUS_PREFETCHES and
4768 L1_CACHE_LINE_SIZE parameters.
4769 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
4770 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
4771 L1_CACHE_LINE_SIZE parameters.
4772 * config/ia64/ia64.c (ia64_optimization_options): Set
4773 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
4774 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
4776 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
4777 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
4778 * doc/invoke.texi: Document new params.
4780 2006-11-12 Roger Sayle <roger@eyesopen.com>
4782 PR tree-optimization/13827
4783 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
4786 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4788 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
4789 update_single_exit_for_duplicated_loops): New functions.
4790 (duplicate_loop_to_header_edge): Use
4791 update_single_exit_for_duplicated_loops.
4792 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
4793 functions only with ENABLE_CHECKING.
4795 2006-11-12 Andreas Schwab <schwab@suse.de>
4797 * except.c (sjlj_emit_function_enter): Remove unused variable.
4799 2006-11-11 Roger Sayle <roger@eyesopen.com>
4801 * fold-const.c (int_binop_types_match_p): New function.
4802 (size_binop): Relax constraint that both arguments must both have
4803 exactly the same sizetype type. Instead use int_binop_types_match_p.
4804 (size_diffop): Likewise.
4806 (make_range): Use build_int_cst instead of fold_convert.
4807 (fold_cond_expr_with_comparison): Use build_int_cst to construct
4808 integer constants of the correct type.
4809 (fold_div_compare): Likewise.
4810 (fold_single_bit_test): Likewise.
4811 (fold_binary): Likewise.
4812 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
4813 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
4815 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4818 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
4819 non null value if the struct memory access is in the 0th
4822 2006-11-12 Jie Zhang <jie.zhang@analog.com>
4825 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4826 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4829 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
4830 instead of builtin_define for bfin and BFIN.
4832 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4834 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4837 2006-11-11 Jan Hubicka <jh@suse.cz>
4839 * extend.texi (__builtin_expect): We no longer require second argument
4841 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
4842 * builtins.c (expand_builtin_expect): Simplify.
4843 (expand_builtin_expect_jump): Kill.
4844 * final.c (final_scan_insn): Do not skip the removed notes.
4845 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
4846 EXPECTED_VALUE): Remove.
4847 * dojump.c (do_jump): Do not care about __builtin_expect.
4848 * predict.c (expected_value_to_br_prob): Kill.
4849 * function.c (expand_function_end): Do not expand
4850 NOTE_INSN_REPEATED_LINE_NUMBER.
4851 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
4852 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
4853 * cfgexpand.c (add_reg_br_prob_note): Export.
4854 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4855 expected_value_to_br_prob.
4856 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
4857 * rtl.h (add_reg_br_prob_note): Declare.
4859 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4861 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
4863 2006-11-11 Jan Hubicka <jh@suse.cz>
4865 * predict.c (predict_loops): Kill RTL variant.
4867 2006-11-11 Jan Hubicka <jh@suse.cz>
4869 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
4870 * modulo-sched.c (find_line_note): Remove.
4871 (loop_canon_p): Do not worry about line number notes.
4872 (sms_schedule): Likewise.
4873 * cse.c (cse_main): Likewise.
4874 * regmove.c (fixup_match_1): Likewise
4875 * function.c (emit_return_info_block): Likewise.
4876 (expand_function_end): Likewise.
4877 (thread_prologue_an_epilogue_insns): Likewise.
4878 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
4880 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
4881 emit_note_copy_after): Kill.
4882 (emit_note_copy): Do not worry about line numbers.
4883 * jump.c (purge_line_number_notes): Kill.
4884 (pass_purge_lineno_notes): Kill.
4885 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
4887 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
4888 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
4889 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
4890 * tree-pass.h (pass_purge_lineno_notes): Kill.
4891 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
4892 rm_redundant_line_notes.
4893 * sched-rgb.c (schedule_region): Don't rm_line_notes,
4894 rm_redundant_line_notes.
4895 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
4896 * haifa-sched.c: Update comment about handling notes.
4897 (unlink_line_notes): Kill.
4898 (rm_line_notes): Kill.
4899 (save_line_notes): Simplify.
4900 (rm_redundant_line_notes): Kill.
4902 2006-11-11 Richard Guenther <rguenther@suse.de>
4904 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
4905 Remove unused tree codes.
4906 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
4907 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
4908 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4909 * tree.c (stabilize_reference): Likewise.
4910 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
4911 fold_unary): Likewise.
4912 * tree-gimple.c (is_gimple_cast): Likewise.
4913 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
4914 * expr.c (expand_expr_real_1): Likewise.
4915 * tree-eh.c (tree_could_trap_p): Likewise.
4916 * gimplify.c (gimplify_expr): Likewise.
4917 * tree-inline.c (estimate_num_insns_1): Likewise.
4918 * tree-cfg.c (verify_expr): Likewise.
4920 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
4922 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
4923 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
4924 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
4926 2006-11-11 Richard Sandiford <richard@codesourcery.com>
4929 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
4930 constraints accept neither registers or memories.
4932 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4934 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
4935 (NO_PROFILE_COUNTERS): Define as 1.
4937 2006-11-10 Roger Sayle <roger@eyesopen.com>
4939 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
4940 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
4942 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
4944 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
4946 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4948 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
4949 (fold_builtin_hypot): Likewise.
4950 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
4952 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
4954 2006-11-10 Roger Sayle <roger@eyesopen.com>
4956 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
4957 when attempting to build INTEGER_CSTs of non-integral types.
4958 * expmed.c (make_tree): Use the correct type, i.e. the inner
4959 type, when constructing the individual elements of a CONST_VECTOR.
4961 2006-11-10 Jan Hubicka <jh@suse.cz>
4963 * cse.c (cse_process_notes): Copy the propagated value.
4964 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
4966 * gcse.c (try_replace_reg): Copy the replacement.
4967 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
4968 (assign_386_stack_local): Always return copied memory expression
4969 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
4972 2006-11-10 Jan Hubicka <jh@suse.cz>
4974 * final.c (final): Walk from first instruction.
4975 * cfglayout.c (insn_locators_initialize): Remove line number notes.
4977 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
4980 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
4982 (umulv8hi3_highpart): Ditto.
4983 (vec_widen_smult_hi_v8hi): New expander.
4984 (vec_widen_smult_lo_v8hi): Ditto.
4986 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4989 * builtins.c (do_mpfr_arg3): New.
4990 (fold_builtin_1): Handle builtins fma, fmin and fmax.
4992 2006-11-09 Eric Christopher <echristo@apple.com>
4997 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
4998 * config.gcc (powerpc64-*-darwin*): New target.
4999 * config.host: Ditto.
5000 * config/rs6000/darwin64.h: New file.
5001 * config/rs6000/x-darwin64: Ditto.
5002 * config/rs6000/host-ppc64-darwin.c: Ditto.
5004 2006-11-09 Steve Ellcey <sje@cup.hp.com>
5006 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
5007 routines for integer division.
5009 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
5011 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
5013 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5016 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
5018 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
5020 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
5021 simplify_subreg with BLKmode outer mode.
5023 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
5025 * doc/invoke.texi: Minor formatting fixes in option lists.
5027 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
5029 PR tree-optimization/29738
5030 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5031 (ccp_lattice_t): Remove UNKNOWN_VAL.
5032 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5033 Do not handle UNKNOWN_VAL.
5034 (get_default_value): Set initial value of virtual operands to
5036 (get_value): Always use get_default_value on uninitialized
5038 (set_value_varying, surely_varying_stmt_p): New functions.
5039 (set_lattice_value): Do not pass argument to get_value.
5040 Do not handle UNKNOWN_VAL.
5041 (likely_value): Follow the semantics described in the comment.
5042 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
5043 phi nodes DONT_SIMULATE_AGAIN.
5044 (ccp_fold): Do not pass argument to get_value.
5045 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
5048 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
5050 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5051 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5053 2006-11-08 Roger Sayle <roger@eyesopen.com>
5055 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5056 test for inclusion rather than as a test for exclusion.
5057 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
5058 the condition after calling fold_binary.
5059 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5060 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
5061 * builtins.c (fold_builtin_isascii): Likewise.
5062 (fold_builtin_isdigit): Likewise.
5064 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
5066 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5067 * configure: Regenerate.
5069 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5071 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5072 enum argument instead of bool.
5073 (vect_analyze_operations): Call vectorizable_type_promotion.
5074 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5075 stmt_vec_info_type value.
5076 (supportable_widening_operation, vectorizable_type_promotion): New
5077 function declarations.
5078 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5079 (vectorizable_type_promotion): New function.
5080 (vect_transform_stmt): Call vectorizable_type_promotion.
5081 * tree-vect-analyze.c (supportable_widening_operation): New function.
5082 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5084 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5087 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5088 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5089 * tree-inline.c (estimate_num_insns_1): Add cases for above new
5091 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5092 * expr.c (expand_expr_real_1): Likewise.
5093 * optabs.c (optab_for_tree_code): Likewise.
5094 (init_optabs): Initialize new optabs.
5095 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5096 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5097 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5098 vec_unpacku_lo_optab): Initialize new optabs.
5099 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5100 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5101 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5103 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5104 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5105 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5106 (vec_unpacku_lo_optab): New optabs.
5107 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5108 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5109 (vec_widen_smult_hi, vec_widen_smult_lo): New.
5110 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5111 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5112 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5114 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5115 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5116 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5117 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5118 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5119 implement the unsigned unpacking patterns.
5120 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5121 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5122 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5123 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5124 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5125 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5126 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5127 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5128 multiplication patterns.
5130 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5131 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5132 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5133 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5134 (rs6000_builtin_mul_widen_odd): New.
5135 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5136 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5137 * tree-vectorizer.h (enum vect_relevant): New enum type.
5138 (_stmt_vec_info): Field relevant chaned from bool to enum
5140 (STMT_VINFO_RELEVANT_P): Updated.
5141 (STMT_VINFO_RELEVANT): New.
5142 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5143 instead of STMT_VINFO_RELEVANT_P.
5144 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5145 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5146 and boolean variable with enum vect_relevant.
5147 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5148 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5149 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5151 2006-11-08 Richard Henderson <rth@redhat.com>
5153 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
5154 vec_widen_umult_lo_v8hi): New.
5155 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
5156 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
5158 * config/i386/i386.c (ix86_expand_sse_unpack): New.
5159 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
5160 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
5161 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
5162 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
5163 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
5164 vec_unpacks_lo_v4si): New.
5166 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5168 * tree-vect-transform.c (vectorizable_type_demotion): New function.
5169 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
5170 (vect_analyze_operations): Call vectorizable_type_demotion.
5171 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
5172 stmt_vec_info_type value.
5173 (vectorizable_type_demotion): New function declaration.
5174 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5177 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
5178 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
5180 * tree-iniline.c (estimate_num_insns_1): Likewise.
5181 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5182 * optabs.c (optab_for_tree_code): Likewise.
5184 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
5185 compared against the predicate of the result is not 'mode' (the input
5186 to the function) but a mode with half the size of 'mode'.
5187 (init_optab): Initialize new optabs.
5188 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
5190 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
5192 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
5193 (vec_pack_usat_optab): Initialize new optabs.
5194 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
5195 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
5197 2006-11-08 Richard Henderson <rth@redehat.com>
5199 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
5200 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
5201 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
5202 (vec_interleave_highv4si, vec_interleave_lowv4si):
5203 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
5205 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5207 * tree-vect-transform.c (vectorizable_reduction): Support multiple
5209 (vect_transform_stmt): Removed redundant code.
5211 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5213 * tree-vect-transform.c (vectorizable_operation): Support multiple
5216 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5218 * tree-vect-transform.c (vect_align_data_ref): Removed.
5219 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
5220 Updated function documentation. Return the increment stmt in ptr_incr.
5221 (bump_vector_ptr): New function.
5222 (vect_get_vec_def_for_stmt_copy): New function.
5223 (vect_finish_stmt_generation): Create a stmt_info to newly created
5225 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
5227 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
5228 VF is greater than the number of elements that can fit in one vector
5230 (vectorizable_operation, vectorizable_condition): Likewise.
5231 (vectorizable_store, vectorizable_load): Support the case that the VF
5232 is greater than the number of elements that can fit in one vector word.
5233 (vect_transform_loop): Don't fail in case of multiple data-types.
5234 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
5235 in case of multiple data-types; the smallest type determines the VF.
5236 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
5237 if they are of different sizes.
5238 (vect_update_misalignment_for_peel): Compare misalignments in terms of
5239 number of elements rather than number of bytes.
5240 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
5241 (vect_can_advance_ivs_p): Fix a dump printout
5243 2006-11-07 Eric Christopher <echristo@apple.com>
5245 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
5246 (__bswapsi2): Ditto.
5247 * libgcc2.h: Remove transformation of bswap routines.
5248 * config/i386/i386.md (bswapsi2): New.
5251 2006-11-07 Jakub Jelinek <jakub@redhat.com>
5253 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
5254 (handle_gnu_inline_attribute): New function.
5255 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
5256 (merge_decls, start_decl, start_function): Likewise.
5257 * doc/extend.texi: Document gnu_inline attribute.
5259 2006-11-07 Steve Ellcey <sje@cup.hp.com>
5262 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
5263 _fixunstfdi, and _floatditf
5265 2006-11-06 Anatoly Sokolov <aesok@post.ru>
5267 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
5269 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
5270 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
5271 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
5272 which start in an odd register.
5274 2006-11-07 Richard Sandiford <richard@codesourcery.com>
5276 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
5278 2006-11-07 Josh Conner <jconner@apple.com>
5280 * doc/invoke.texi (fstrict-aliasing): Move implementation
5282 * doc/tree-ssa.texi (Alias analysis): ...here.
5284 2006-11-07 Richard Guenther <rguenther@suse.de>
5286 PR tree-optimization/29610
5287 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
5288 of tree_purge_dead_eh_edges as it may free dominators.
5290 * g++.dg/other/pr29610.C: New testcase.
5292 2006-11-07 David Ung <davidu@mips.com>
5294 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
5295 costs when optimizing for size.
5296 (override_options): Use mips_rtx_cost_optimize_size table for cost
5299 2006-11-07 Jie Zhang <jie.zhang@analog.com>
5301 * gcc.c (process_command): Treat -b as normal switch if its argument
5304 2006-11-07 David Ung <davidu@mips.com>
5306 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5309 2006-11-06 Eric Christopher <echristo@apple.com>
5311 * config.gcc: Add x86_64-darwin host support.
5312 * config.host: Ditto.
5313 * config/i386/darwin64.h: New file.
5314 * config/i386/t-darwin64: Ditto.
5316 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5318 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5319 and output-exists-not.
5321 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5324 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5325 checking for overflow.
5327 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5329 * configure.ac: Fixed typo in case statement: :: changed to ;;
5331 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5333 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5334 count_leading_zeros, and count_trailing_zeros.
5335 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5336 (TARGET_FOLD_BUILTIN): Define.
5337 (TARGET_EXPAND_BUILTIN): Define.
5338 (xtensa_init_builtins): New.
5339 (xtensa_fold_builtin): New.
5340 (xtensa_expand_builtin): New.
5341 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5342 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5343 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5344 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5345 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5346 (any_extend): New code macro.
5347 (u, su): New code attributes.
5348 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5349 (nsau): Remove; replaced by clzsi2.
5350 (ffssi2): Use clzsi2.
5351 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5352 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5353 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5354 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5355 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5357 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5359 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5361 * config/arm/t-strongarm-elf: Likewise.
5362 * config/arm/t-pe: Likewise.
5363 * config/arm/t-arm-elf: Likewise.
5364 * config/arm/t-xscale-elf: Likewise.
5365 * config/arm/t-arm-coff: Likewise.
5366 * config/arm/t-xscale-coff: Likewise.
5367 * config/arm/t-wince-pe: Likewise.
5369 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5371 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5374 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5377 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5380 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5383 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5384 as a valid 80387 constant.
5385 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5386 * config/i386/i386.md (unnamed splitter): Split the load of
5387 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5390 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5392 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5393 from the soft-frame, argument and virtual registers.
5395 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5397 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5398 patterns for standard 80387 constants.
5400 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5401 Steven Bosscher <steven@gcc.gnu.org>
5403 * fwprop.c: New file.
5404 * Makefile.in: Add fwprop.o.
5405 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5406 * passes.c (init_optimization_passes): Schedule forward propagation.
5407 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5409 * timevar.def (TV_FWPROP): New.
5410 * common.opt (-fforward-propagate): New.
5411 * opts.c (decode_options): Enable forward propagation at -O2.
5412 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5413 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5414 canon_for_address, table_size): Remove.
5415 (new_basic_block, insert, remove_from_table): Remove references to
5417 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5418 simplification loop more straightforward by not calling fold_rtx
5420 (equiv_constant): Move here a small part of fold_rtx_subreg,
5421 do not call fold_rtx. Call avoid_constant_pool_reference
5423 * recog.h (canonicalize_change_group): New.
5425 * doc/invoke.texi (Optimization Options): Document fwprop.
5426 * doc/passes.texi (RTL passes): Document fwprop.
5428 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5430 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5431 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5432 (grokdeclarator): Likewise.
5434 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5436 * tree-dump.c (dump_enable_all): Rename local variable
5437 ir_type to avoid name conflicts.
5438 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5439 instead of using ir_type().
5440 * profile.c (tree_register_profile_hooks): Likewise.
5441 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5442 * basic-block.h (struct edge_def): Likewise.
5443 * config/arm/arm.c (legitimize_pic_address): Likewise.
5444 * coretypes.h (ir_type): New enum of all intermediate languages
5446 * cfghooks.c (ir_type): Rename to...
5447 (current_ir_type): ...this. Distinguish between cfgrtl and
5448 cfglayout mode when the current IR is RTL. Return enum ir_type.
5449 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5451 2006-11-03 Paul Brook <paul@codesourcery.com>
5453 * config/arm/arm.c (arm_file_start): New function.
5454 (TARGET_ASM_FILE_START): Define.
5455 (arm_default_cpu): New variable.
5456 (arm_override_options): Set arm_default_cpu.
5458 2006-11-03 David Ung <davidu@mips.com>
5460 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5461 PROCESSOR_24KC and PROCESSOR_24KF.
5462 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5463 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5464 (mips_rtx_cost_data): Add costs for the 24kc.
5465 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5466 * config/mips/24k.md: Remove references to 24k and replace with
5467 uses of 24kc/24kf in the appropriate reservations.
5468 * doc/invoke.texi (MIPS Options): Updated.
5470 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5472 * config/sh/crt1.asm: Fix #ifdef indent.
5474 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5475 Merged from STMicroelectronics sources:
5476 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5477 * config/sh/crt1.asm (vbr_600): Add missing #if.
5478 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5479 * sh.opt (mfused-madd): New option.
5480 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5481 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5482 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5483 Remove pointless handler at VBR+0.
5484 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5485 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5486 fr7. Make sure the timer handler is called with the correct FPU
5487 precision setting, according to the ABI.
5488 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5489 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5490 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5491 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5492 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5493 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5494 zero as second operand.
5495 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5496 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5497 Fixed some bugs related to negative values, in particular -0
5498 and overflow at -0x80000000.
5499 * config/sh/divcost-analysis: Added sh4-300 figures.
5500 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5501 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5502 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5503 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5504 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5505 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5507 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5509 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5510 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5511 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5512 mac_mem, mem_mac, dfp_mul, fp_cmp.
5513 (insn_class, dfp_comp, any_fp_comp): Update.
5514 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
5515 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
5516 (muldf3_i): Likewise.
5517 (movsi_i): Split rI08 alternative into two separate alternatives.
5519 (movsi_ie, movsi_i_lowpart): Likewise.
5520 (movqi_i): Split ri alternative into two separate alternatives.
5522 * sh1.md (sh1_load_store, sh1_fp): Update.
5523 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
5524 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
5525 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
5526 (sh4a_fp_double_arith): Likewise.
5527 * sh4-300.md: New file.
5528 * sh.c (sh_handle_option): Handle m4-300* options.
5529 (sh_adjust_cost): Fix latency of auto-increments.
5530 Handle SH4-300 differently than other SH4s. Check for new insn types.
5531 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
5532 been set by an option.
5533 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
5534 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
5535 (mbranch-cost=): Likewise.
5536 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
5538 * sh.md (mulsf3): Remove special expansion code.
5539 (mulsf3_ie): Now a define_insn_and_split.
5540 (macsf3): Allow for TARGET_SH4.
5542 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
5543 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
5544 (expand_cbranchdi4): Likewise.
5545 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
5546 CONST_DOUBLE if the outer code is COMPARE.
5547 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
5548 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
5549 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
5550 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
5551 Remove redundant fp_{zero,one}_operand checks.
5552 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
5553 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
5554 (expand_cbranchdi4): Likewise.
5555 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
5556 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
5558 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5560 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
5563 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
5565 * doc/invoke.texi: Fix mfp-trap-mode typo.
5567 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
5569 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
5570 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
5571 file_end_indicate_exec_stack.
5572 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
5574 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
5575 for a non-executable stack.
5576 * crti.asm: Likewise.
5577 * crtn.asm: Likewise.
5578 * libunwind.S: Likewise.
5580 2006-11-02 Ben Elliston <bje@au.ibm.com>
5582 * tree-ssa.c (warn_uninit): Use expand_location variables for
5583 locus and declaration locus.
5585 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
5588 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
5589 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
5590 cmp{eq,gt,gtu}{si,di}_media.
5591 (*cmpne0si_media): Remove.
5592 (*movsicc_umin): Adjust gen_cmp*_media call.
5593 (unordered): Change the mode of unordered and operands[1] to
5595 (seq): Adjust gen_cmp*_media calls. Make the mode of
5596 a temporary result of compare SImode if needed. If the mode
5597 of operands[0] is DImode, extend the temporary result to DImode.
5598 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
5599 (sunorderd): Change the mode of match_operand and unorderd to
5601 (cmpeq{sf,df}_media): Remove.
5602 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
5603 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
5604 and compare operation to SImode.
5606 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
5608 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
5610 (sparc64-sun-solaris2*): Likewise.
5612 2006-11-02 Paul Brook <paul@codesourcery.com>
5614 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
5615 from priority argument. Use different section for non-default
5617 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
5619 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
5622 * except.c (switch_to_exception_section): Do not cache the section
5623 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5624 and flag_function_sections is set.
5626 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5629 * builtins.c (do_mpfr_sincos): New.
5630 (fold_builtin_1): Use it to fold builtin sincos.
5632 2006-11-01 Roger Sayle <roger@eyesopen.com>
5634 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
5635 it into -D_REENTRANT.
5637 2006-11-01 Roger Sayle <roger@eyesopen.com>
5639 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
5640 whether the assembler supports taking the difference of symbols in
5641 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
5642 * configure: Regenerate.
5643 * config.in: Regenerate.
5644 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
5645 the assembler doesn't support taking the difference of symbols in
5646 different sections, i.e. we're using the native solaris assembler.
5648 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
5649 Peter Bergner <bergner@vnet.ibm.com>
5651 * doc/invoke.texi: Add cpu_type power6x
5652 (RS/6000 and PowerPC Options): Add -mmfpgpr.
5653 * config.gcc: Add cpu_type power6x.
5654 * configure.ac: Add test for mf{t,f}gpr instructions.
5655 (HAVE_AS_MFPGPR): New.
5656 * config.in: Regenerate.
5657 * configure: Regenerate.
5658 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
5659 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
5660 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
5661 and mftgpr attributes.
5662 (define_attr "cpu"): Add power6.
5663 Change instruction sequences to use new attributes.
5664 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
5665 (fix_truncdfsi2_mfpgpr): New.
5666 (floatsidf_ppc64_mfpgpr): New.
5667 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
5668 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
5669 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
5670 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
5671 (fix_truncdfsi2): Use gpc_reg_operand constraint.
5672 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
5673 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
5674 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
5675 cntlz,exts and var_delayed_compare.
5676 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5677 _ARCH_PWR6X, if features enabled.
5678 * config/rs6000/rs6000.opt (mmfpgpr): New.
5679 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
5680 (cached_can_issue_more): New variable.
5681 (processor_costs): Add power6_cost.
5682 (rs6000_sched_init): New function.
5683 (is_dispatch_slot_restricted): Deleted.
5684 (set_to_load_agen): New function.
5685 (is_load_insn,is_store_insn): New functions.
5686 (adjacent_mem_locations): New function.
5687 (insn_must_be_first_in_group): New function.
5688 (insn_must_be_last_in_group): New function.
5689 (rs6000_sched_reorder): New function.
5690 (rs6000_sched_reorder2): New function.
5691 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
5692 TARGET_SCHED_REORDER2): Define.
5693 (processor_target_table): Use PROCESSOR_POWER6 for power6.
5694 Add power6x. Add MASK_MFPGPR for power6x.
5695 (POWERPC_MASKS): Add MASK_MFPGPR.
5696 (rs6000_override_options): Set rs6000_always_hint to false
5697 for power6. Set rs6000_align_branch_targets. Replace
5698 rs6000_sched_groups check with rs6000_align_branch_targets.
5699 Use PROCESSOR_POWER6.
5700 (last_scheduled_insn): New variable.
5701 (load_store_pendulum): New variable.
5702 (rs6000_variable_issue): Set last_scheduled_insn and
5703 cached_can_issue_more.
5704 (rs6000_adjust_cost): Add power6 cost adjustments.
5705 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
5706 with insn_must_be_first_in_group. Add power6 priority adjustments.
5707 (rs6000_issue_rate): Add CPU_POWER6.
5708 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
5709 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
5710 (TARGET_MFPGPR): New.
5711 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
5712 (ASM_CPU_SPEC): Add power6x.
5713 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
5715 * config/rs6000/power6.md: New file.
5717 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
5719 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5720 HOST_WIDE_INT_PRINT to print high and low parts. Use
5721 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
5722 printing a hexadecimal number prefix it with 0x.
5724 2006-11-01 Chris Johns <chris@contemporary.net.au>
5727 * Makefile.in (install-driver): Use exeext when installing
5728 $target-gcc-$version.
5730 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
5732 * c-common.c (flag_cpp0x): New.
5733 * c-common.h (flag_cpp0x): New.
5734 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
5735 supported, define __GXX_EXPERIMENTAL_CPP0X__.
5736 * c-opts.c (set_std_cxx0x): New.
5737 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
5738 * c.opt (std=c++0x): Document.
5739 (std=gnu++0x): Ditto.
5740 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
5741 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
5743 2006-11-01 Richard Guenther <rguenther@suse.de>
5745 * config/i386/i386.c (ix86_expand_rint): Fix issues with
5747 (ix86_expand_floorceildf_32): Likewise.
5748 (ix86_expand_floorceil): Likewise.
5749 (ix86_expand_trunc): Likewise.
5751 2006-10-31 Andrew Pinski <pinskia@gmail.com>
5753 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
5756 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
5758 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
5760 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
5762 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
5764 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
5765 * configure.ac (use_cxa_atexit): As a special case, don't test
5766 for libc definition of __cxa_atexit on mingw32
5767 * configure: Regenerate.
5768 * config.gcc (i[34567]86-pc-mingw32): Default to
5769 enable__cxa_atexit=yes.
5771 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5773 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
5775 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5778 * c-decl.c (start_struct): Don't create self-containing
5780 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
5782 * config/rs6000/rs6000-protos.h
5783 (darwin_rs6000_special_round_type_align): New.
5784 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
5785 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
5787 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5789 * toplev.c (compile_file): Call final_write_globals
5790 even if there have been errors.
5792 2006-10-31 Eric Christopher <echristo@apple.com>
5793 Falk Hueffner <falk@debian.org>
5795 * doc/extend.texi (__builtin_bswap32): Document.
5796 (__builtin_bswap64): Ditto.
5797 * doc/libgcc.texi (bswapsi2): Document.
5799 * doc/rtl.texi (bswap): Document.
5800 * optabs.c (expand_unop): Don't widen a bswap.
5801 (init_optabs): Init bswap. Set libfuncs explicitly
5802 for bswapsi2 and bswapdi2.
5803 * optabs.h (OTI_bswap): New.
5804 (bswap_optab): Ditto.
5805 * genopinit.c (optabs): Handle bswap_optab.
5806 * tree.h (tree_index): Add TI_UINT32_TYPE and
5808 (uint32_type_node): New.
5809 (uint64_type_node): Ditto.
5810 * tree.c (build_common_tree_nodes_2): Initialize
5811 uint32_type_node and uint64_type_node.
5812 * builtins.c (expand_builtin_bswap): New.
5813 (expand_builtin): Call.
5814 (fold_builtin_bswap): New.
5815 (fold_builtin_1): Call.
5816 * fold-const.c (tree_expr_nonnegative_p): Return true
5818 * builtin-types.def (BT_UINT32): New.
5820 (BT_FN_UINT32_UINT32): Ditto.
5821 (BT_FN_UINT64_UINT64): Ditto.
5822 * builtins.def (BUILT_IN_BSWAP32): New.
5823 (BUILT_IN_BSWAP64): Ditto.
5824 * rtl.def (BSWAP): New.
5825 * genattrtab.c (check_attr_value): New.
5826 * libgcc2.c (__bswapSI2): New.
5827 (__bswapDI2): Ditto.
5828 * libgcc2.h (__bswapSI2): Declare.
5829 (__bswapDI2): Ditto.
5830 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
5831 * simplify-rtx.c (simplify_const_unary_operation): Return
5833 * libgcc-std.ver (__bwapsi2): Add.
5834 (__bswapdi2): Ditto.
5835 * reload1.c (eliminate_regs_1): Add bswap.
5836 (elimination_effects): Ditto.
5837 * config/i386/i386.h (x86_bswap): New.
5838 (TARGET_BSWAP): Use.
5839 * config/i386/i386.c (x86_bswap): Set.
5841 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5843 * coverage.c (coverage_checksum_string): Update comment.
5844 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
5845 of get_file_function_name.
5846 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
5847 of get_file_function_name_long.
5848 * tree.c (get_file_function_name): Rename from
5849 get_file_function_name_long; improve comment; handle 'I' and 'D'
5850 specially when the target has ctor/dtor support; remove special
5852 (get_file_function_name): Remove.
5853 * tree.h (get_file_function_name): Rename from
5854 get_file_function_name_long.
5855 (get_file_function_name): Remove prototype.
5857 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5859 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
5860 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
5862 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
5863 Call dsymutil when compiling and linking one or more source files
5866 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5869 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
5871 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5873 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
5874 inline static functions in c99 mode.
5877 * doc/extend.texi (Inline): Update.
5878 * c-tree.h (struct language_function): Remove field 'extern_inline'.
5879 * c-decl.c (current_extern_inline): Delete.
5880 (pop_scope): Adjust test for an undefined nested function.
5881 Add warning about undeclared inline function.
5882 (diagnose_mismatched_decls): Update comments. Disallow overriding
5883 of inline functions in a translation unit in C99. Allow inline
5884 declarations in C99 at any time.
5885 (merge_decls): Boolize variables. Handle C99 'extern inline'
5887 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
5888 C99 inline semantics.
5889 (start_function): Don't clear current_extern_inline. Don't set
5891 (c_push_function_context): Don't push current_extern_inline.
5892 (c_pop_function_context): Don't restore current_extern_inline.
5895 * c-typeck.c (build_external_ref): Warn about static variables
5896 used in extern inline functions.
5897 * c-decl.c (start_decl): Warn about static variables declared
5898 in extern inline functions.
5900 2006-10-31 Roger Sayle <roger@eyesopen.com>
5903 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
5904 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
5905 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
5906 or y is an even integer.
5908 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
5911 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
5912 * gthr-posix95.h (__gthread_active_p): Likewise.
5914 2006-10-31 Richard Guenther <rguenther@suse.de>
5916 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
5917 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
5918 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
5919 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
5920 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
5921 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
5922 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
5923 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
5926 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
5928 * opts.c (decode_options): Disable CSE skip blocks.
5930 2006-10-30 Dirk Mueller <dmueller@suse.de>
5932 * c-common.h (strict_aliasing_warning): Fix whitespace.
5933 * c-decl (start_function): Move code for main decl warning ..
5934 * c-common.c (check_main_parameter_types): .. here.
5935 * c-common.h (check_main_parameter_types): Declare.
5937 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5940 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
5942 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
5944 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
5945 be a PARALLEL containing sets. Return false when out_pat is not
5948 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5950 * config/mips/mips.md (mul<mode>3): Split into...
5951 (mulsi3, muldi3): ...these separate patterns.
5953 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5955 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
5956 but with each set of options separated by spaces.
5958 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
5960 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
5961 dwarf_reg_size_table has been initialized.
5963 2006-10-30 Roger Sayle <roger@eyesopen.com>
5965 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
5966 * ddg.c (print_ddg_edge): Likewise.
5967 * dwarf2out.c (prune_unused_types_walk): Likewise.
5968 * ifcvt.c (noce_try_cmove_arith): Likewise.
5969 * langhooks.c (add_builtin_function): Likewise.
5970 * reg-stack.c (subst_stack_regs_pat): Likewise.
5971 * tree.c (expanded_location): Likewise.
5972 * tree-dump.c (dequeue_and_dump): Likewise.
5974 2006-10-30 David Daney <ddaney@avtrex.com>
5976 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
5978 2006-10-30 Jakub Jelinek <jakub@redhat.com>
5980 PR tree-optimization/29637
5981 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
5982 of the innertype is the innertype itself.
5984 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
5986 * dwarf2out.c (file_name_acquire): Correct typo.
5988 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
5990 * tree.h (tree_value_handle): Remove struct value_set declaration.
5991 Change value_set to bitmap_set.
5992 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
5993 * tree-vn.c (get_value_handle): Made inline and moved to
5995 * tree-flow-inline.h: (has_stmt_ann): New function.
5996 * tree-ssa-pre.c (expressions): New variable.
5997 (next_expression_id): Ditto.
5998 (alloc_expression_id): New function.
5999 (struct value_set): Remove.
6000 (get_expression_id): New function.
6001 (get_or_alloc_expression_id): Ditto.
6002 (expression_for_id): Ditto.
6003 (clear_expression_ids): Ditto.
6004 (FOR_EACH_EXPR_ID_IN_SET): New macro.
6005 (bb_value_sets): Renamed to bb_bitmap_sets.
6006 All value sets replaced with bitmap_sets.
6008 (BB_VISITED): New macro.
6009 (postorder): New variable.
6010 (add_to_value): Removed.
6011 (value_exists_in_set_bitmap): Ditto.
6012 (value_insert_into_set_bitmap): Ditto.
6015 (set_remove): Ditto.
6016 (set_contains_value): Ditto.
6017 (insert_into_set): Ditto.
6019 (find_leader): Ditto.
6020 (bitmap_set_subtract_from_value_set): Ditto.
6021 (value_insert_into_set): Ditto.
6022 (print_value_set): Ditto.
6023 (debug_value_set): Ditto.
6024 (constant_expr_p): New function.
6025 (bitmap_remove_from_set): Ditto.
6026 (bitmap_insert_into_set): Ditto.
6027 (bitmap_set_free): Ditto.
6028 (vh_compare): Ditto.
6029 (sorted_array_from_bitmap_set): Ditto.
6030 (bitmap_set_subtract): Ditto.
6031 (bitmap_set_equal): Ditto.
6032 (debug_bitmap_set): Ditto.
6033 (find_leader_in_sets): Ditto.
6034 (bitmap_set_replace_value): Modify for bitmapped sets.
6035 (phi_translate): Ditto.
6036 (phi_translate_set): Ditto.
6037 (bitmap_find_leader): Ditto.
6038 (valid_in_sets): Ditto.
6039 (union_contains_value): Ditto.
6041 (compute_antic_aux): Ditto. Mark changed blocks.
6042 (compute_antic): Ditto. Iterate in postorder and only over
6044 (compute_rvuse_and_antic_safe): Reuse postorder.
6045 (create_component_ref_by_pieces): Modify for bitmapped sets.
6046 (find_or_generate_expression): Ditto.
6047 (create_expression_by_pieces): Ditto.
6048 (insert_into_preds_of_block): Ditto.
6049 (changed_blocks): New variable.
6050 (do_regular_insertion): Broken out from insert_aux.
6051 (insert_aux): Modified for bitmapped sets.
6052 (find_existing_value_expr): New function.
6053 (create_value_expr_from): Use it.
6054 (insert_extra_phis): Removed.
6055 (print_bitmap_set): Renamed from bitmap_print_value_set.
6056 (compute_avail): Handle RETURN_EXPR.
6057 (init_pre): Modify for bitmapped sets.
6058 * tree-flow.h (has_stmt_ann): New function.
6060 2006-10-29 Roger Sayle <roger@eyesopen.com>
6062 * builtins.c (fold_builtin_floor): Check for the availability of
6063 the C99 trunc function before transforming floor into trunc.
6065 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6067 * builtins.c (fold_builtin_hypot): Rearrange recursive
6068 transformation before others, and also do ABS_EXPR. When
6069 necessary, check flag_unsafe_math_optimizations. When necessary,
6072 2006-10-29 Roger Sayle <roger@eyesopen.com>
6074 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6075 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6076 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6077 Fold -X eq/ne -Y as X eq/ne Y.
6079 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6081 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6082 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
6083 rather than GENERATE_MULT3_SI in the various define_peephole2s.
6084 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6085 Use an inclusive test for "mult" rather than "mul".
6086 (rotr<mode>3): Depend on ISA_HAS_ROR.
6087 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6089 (GENERATE_MULT3_DI): Delete.
6090 (ISA_HAS_64BIT_REGS): Use consistent formatting.
6091 (ISA_HAS_MUL3): New macro.
6092 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6093 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6094 (ISA_HAS_CLZ_CLO): Likewise.
6095 (ISA_HAS_DCLZ_DCLO): Delete.
6096 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6097 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6098 the VR4120 and VR4130.
6099 (ISA_HAS_MACCHI): Use consistent formatting.
6100 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6101 (ISA_HAS_ROR): ...this new macro.
6102 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6103 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6104 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6106 2006-10-29 Roger Sayle <roger@eyesopen.com>
6108 PR tree-optimization/15458
6109 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6112 2006-10-29 Richard Guenther <rguenther@suse.de>
6114 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6115 (ix86_expand_truncdf_32): Likewise.
6116 * config/i386/i386.c (ix86_expand_trunc): New function expanding
6117 trunc inline for SSE math and -fno-trapping-math and if not
6118 optimizing for size.
6119 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6120 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6121 for expanding btrunc inline for SSE math.
6123 2006-10-29 Joseph Myers <joseph@codesourcery.com>
6125 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6126 Handle tuning for bi-arch i[34567]86-*-linux* like that for
6127 i[34567]86-*-solaris2.1[0-9]*.
6128 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6129 Define conditionally depending on TARGET_64BIT_DEFAULT.
6130 (SPEC_32, SPEC_64): Define.
6131 (LINK_SPEC): Use them.
6132 * doc/install.texi (--enable-targets=all): Document for x86-linux.
6134 2006-10-29 Richard Guenther <rguenther@suse.de>
6136 * config/i386/i386-protos.h (ix86_expand_round): Declare.
6137 (ix86_expand_rounddf_32): Likewise.
6138 * config/i386/i386.c (ix86_expand_round): New function expanding
6139 round inline for SSE math and -fno-trapping-math and if not
6140 optimizing for size.
6141 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6142 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6143 round via ix86_expand_round.
6145 2006-10-29 Richard Guenther <rguenther@suse.de>
6147 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6148 (ix86_expand_floorceildf_32): Likewise.
6149 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6150 static helper function.
6151 (ix86_expand_floorceil): Expander for floor and ceil to SSE
6153 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
6154 * config/i386/i386.md (floordf2): Adjust to enable floor
6155 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
6156 -fno-trapping-math is enabled and if not optimizing for size.
6157 (floorsf2, ceildf2, ceilsf2): Likewise.
6158 * config/i386/sse.md (sse_maskcmpsf3): New insn.
6159 (sse2_maskcmpdf3): Likewise.
6161 2006-10-29 Richard Guenther <rguenther@suse.de>
6163 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
6164 rint in case -fno-trapping-math is enabled.
6165 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6166 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
6167 (ix86_expand_sse_fabs): Likewise.
6168 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
6169 * config/i386/i386.md (rintdf2): Enable for SSE math if
6170 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
6171 (rintsf2): Likewise.
6173 2006-10-29 Richard Guenther <rguenther@suse.de>
6175 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
6176 to conversion optabs.
6177 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
6178 as conversion optab.
6179 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
6180 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
6181 (lfloor_optab, lceil_optab): Adjust defines.
6182 * builtins.c (expand_builtin_int_roundingfn): Adjust for
6183 lfloor and lceil optabs now being conversion optabs.
6184 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
6185 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
6186 New static helper function.
6187 (ix86_expand_lfloorceil): New function to expand lfloor and
6189 * config/i386/i386.md (lfloor<mode>2): Split into ...
6190 (lfloorxf<mode>2): ... x87 variant
6191 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
6192 using ix86_expand_lfloorceil.
6193 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
6195 * doc/md.texi (lfloorMN, lceilMN): Document.
6197 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6199 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
6200 -mno-shared assembler option on mips targets.
6201 * configure, config.in: Regenerate.
6202 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
6203 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
6204 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
6206 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6208 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
6209 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6211 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
6213 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
6214 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
6217 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6220 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
6221 (fold_builtin_pow): Evaluate constant arguments at compile-time
6223 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
6224 (do_mpfr_ckconv): New helper function.
6225 (do_mpfr_arg1): Use do_mpfr_ckconv.
6226 (do_mpfr_arg2): New.
6228 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
6231 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
6232 (-fdump-rtl-sched): Rename to ..
6233 (-fdump-rtl-sched1): here. Also fix file extension number.
6235 2006-10-28 Richard Guenther <rguenther@suse.de>
6237 * fold-const.c (maybe_canonicalize_comparison): Fix code
6240 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6242 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
6243 (NON_QI_REG_P): Use IN_RANGE.
6244 (REX_INT_REGNO_P): Use IN_RANGE.
6245 (FP_REGNO_P): Use IN_RANGE.
6246 (SSE_REGNO_P): Use IN_RANGE.
6247 (REX_SSE_REGNO_P): Use IN_RANGE.
6248 (MMX_REGNO_P): Use IN_RANGE.
6249 (STACK_REGNO_P): New macro.
6250 (STACK_REG_P): Use STACK_REGNO_P.
6251 (NON_STACK_REG_P): Use STACK_REGNO_P.
6252 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
6253 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
6254 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
6255 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
6256 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
6258 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
6260 * except.h (output_function_exception_table): Add 'const char*' param.
6261 * except.c (switch_to_exception_section): Add 'const char*' param.
6262 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6263 and flag_function_sections is set, use a function-specific section.
6264 (output_function_exception_table): Add 'const char*' param.
6265 Adjust call to switch_to_exception_section.
6266 * final.c (rest_of_handle_final): Adjust calls to
6267 output_function_exception_table.
6268 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
6269 * config.in: Regenerate.
6270 * configure: Likewise.
6272 2006-10-28 Richard Guenther <rguenther@suse.de>
6275 * fold-const.c (maybe_canonicalize_comparison_1): Helper
6276 for maybe_canonicalize_comparison.
6277 (maybe_canonicalize_comparison): New function for canonicalizing
6279 (fold_comparison): Call it to canonicalize comparisons with
6282 2006-10-28 Richard Guenther <rguenther@suse.de>
6285 * builtins.c (expand_builtin_int_roundingfn_2): Expand
6286 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
6287 (expand_builtin): Adjust likewise.
6288 * genopinit.c (optabs[]): Add lround optab.
6289 * optabs.c (init_optabs): Initialize lround_optab.
6290 * optabs.h (enum convert_optab_index): Add COI_lround.
6291 (lround_optab): Define.
6292 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
6293 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
6295 (ix86_expand_lround): New function.
6296 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6298 * doc/md.texi (lroundMN2): Document.
6300 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6303 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6304 argument to HOST_WIDE_INT. Update function prototype.
6305 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6306 "size" argument to HOST_WIDE_INT. Update function prototype.
6308 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6310 * config/i386/i386.c (output_387_ffreep): Create output from a
6311 template string for !HAVE_AS_IX86_FFREEP.
6313 2006-10-27 Eric Christopher <echristo@apple.com>
6315 * config/darwin.c: Fix formatting and grammar.
6317 2006-10-27 Jan Hubicka <jh@suse.cz>
6319 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6320 to be thrown away soon when IGNORE is set.
6321 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6322 indicating when return value shall not be computed.
6323 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6325 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6327 * config/i386/i386.h (TARGET_GEODE):
6328 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6329 (TARGET_CPU_DEFAULT_geode): New macro.
6330 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6331 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6332 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6333 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6334 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6336 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6337 (processor_type): Add PROCESSOR_GEODE.
6339 * config/i386/i386.md: Include geode.md.
6342 * config/i386/i386.c (geode_cost): New initialized global
6344 (m_GEODE, m_K6_GEODE): New macros.
6345 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6346 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6347 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6348 x86_schedule): Use m_K6_GEODE instead of m_K6.
6349 (x86_movx, x86_cmove): Set up m_GEODE.
6350 (x86_integer_DFmode_moves): Clear m_GEODE.
6351 (processor_target_table): Add entry for geode.
6352 (processor_alias_table): Ditto.
6354 * config/i386/geode.md: New file.
6356 * doc/invoke.texi: Add entry about geode processor.
6358 2006-10-27 Mike Stump <mrs@apple.com>
6360 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6361 __DYNAMIC__ from here back to ...
6362 * config/darwin.h (CPP_SPEC): ... here.
6364 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6365 Nathan Sidwell <nathan@codesourcery.com>
6367 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6368 when choosing the minimum heapsize.
6370 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6372 * gcc/unwind-dw2.h: Move cfa-related variables into
6373 struct frame_state_reg_info to ensure that the CFA is properly
6374 handled when executing DW_CFA_{remember,restore}_state.
6375 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6376 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6377 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6378 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6379 gcc/config/rs6000/linux-unwind.h,
6380 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6381 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6382 Modify to use new cfa_* fields.
6384 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6386 * config/s390/s390.c (s390_init_frame_layout): Check positive
6389 2006-10-26 Ben Elliston <bje@au.ibm.com>
6391 * gimplify.c (get_name): Remove extraneous break.
6392 (gimplify_omp_for): Initialise ret with GS_OK.
6394 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6396 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6397 Add unix98.o to link line.
6399 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6402 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6403 Calculate compile-time constants using MPFR.
6404 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6405 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6407 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6409 * config/xtensa/lib2funcs.S: Use C-style comments.
6411 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6413 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6414 (file_table_relative_p): Likewise.
6415 (dwarf2out_finish): Likewise.
6416 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6418 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6420 * tree-ssa-structalias.c (intra_create_variable_infos):
6421 Don't recreate nonlocal_all if it already exists.
6423 2006-10-25 Richard Guenther <rguenther@suse.de>
6426 * optabs.h (enum optab_index): Remove OTI_lrint.
6427 (enum convert_optab_index): Add COI_lrint.
6428 (lrint_optab): Adjust.
6429 (expand_sfix_optab): Declare.
6430 * optabs.c (expand_sfix_optab): New function.
6431 (init_optabs): Init lrint_optab as conversion optab.
6432 * genopinit.c (lrint_optab): Change to a conversion optab.
6433 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6434 expansion via conversion optab.
6435 * config/i386/i386.md (*fistdi2_1): Remove
6436 flag_unsafe_math_optimizations guard.
6437 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6438 fist<mode>2_with_temp): Likewise.
6439 (lrint<mode>2): Split into...
6440 (lrintxf<mode>2): ... x87 part
6441 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6442 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6443 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6444 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6445 * doc/md.texi (lrintMN2): Document.
6447 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6450 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6451 Use inc and dec instructions for TARGET_USE_INCDEC.
6452 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6453 ("sync_double_compare_and_swap<mode>"): Likewise.
6454 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6455 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6456 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6457 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6458 ("sync_old_add<mode>"): Likewise.
6459 ("sync_lock_test_and_set<mode>"): Likewise.
6460 ("sync_lock_test_and_set<mode>"): Likewise.
6461 ("sync_add<mode>"): Likewise.
6462 ("sync_sub<mode>"): Likewise.
6463 ("sync_ior<mode>"): Likewise.
6464 ("sync_and<mode>"): Likewise.
6465 ("sync_xor<mode>"): Likewise.
6467 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6469 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6470 (remainder_optab): Define corresponding macro.
6471 (drem_optab): Remove.
6472 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6473 drem_optab initialization.
6474 * genopinit.c (optabs): Implement remainder_optab using
6475 remainder?f3 patterns. Remove drem_optab.
6476 * builtins.c (expand_builtin_mathfn_2): Handle
6477 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6478 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6479 expand_builtin_mathfn_2.
6481 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6482 depend on flag_unsafe_math_optimizations.
6484 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6485 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6486 Do not depend on flag_unsafe_math_optimizations. Use
6487 truncxf?f expander instead of truncxf?f_i387_noop.
6489 ("fpremxf4", "fprem1xf4"): Do not depend on
6490 flag_unsafe_math_optimizations.
6491 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6492 flag_unsafe_math_optimizations. Use truncxf?f expander
6493 instead of truncxf?f_i387_noop.
6495 * doc/md.texi (fmod, remainder): Document standard named pattern.
6497 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6498 David Daney <ddaney@avtrex.com>
6501 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6503 2006-10-25 Ben Elliston <bje@au.ibm.com>
6505 * doc/extend.texi (Variable Attributes): Typo fix.
6507 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6509 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6510 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6511 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6512 (FRAME_POINTER_REGNUM): Update register number to 21.
6513 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
6514 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
6516 * config/i386/i386.c (regclass_map): Add fpcr entry.
6517 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
6519 (print_reg): Assert REGNO (x) != FPCR_REG.
6521 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
6522 (DIRFLAG_REG): Renumber.
6523 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
6524 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
6525 (sse_prologue_save, *sse_prologue_save_insn): Renumber
6526 hardcoded SSE register numbers.
6528 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
6529 hardcoded MMX register numbers.
6531 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6534 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6535 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
6537 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
6538 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
6539 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
6540 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
6542 2006-10-24 Richard Guenther <rguenther@suse.de>
6545 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
6546 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
6547 for deciding optimizations in consistency with fold-const.c
6548 (fold_builtin_unordered_cmp): Likewise.
6550 2006-10-24 Richard Guenther <rguenther@suse.de>
6552 * builtins.c (fold_builtin_floor): Fold floor (x) where
6553 x is nonnegative to trunc (x).
6554 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
6555 nonnegative to FIX_TRUNC_EXPR.
6557 2006-10-24 Richard Guenther <rguenther@suse.de>
6559 PR tree-optimization/29567
6560 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
6561 for TRUTH_NOT_EXPR. Clarify comments.
6563 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6566 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
6567 at compile-time using MPFR. Change parameter VALUE to FUNC,
6569 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
6570 for overflow and underflow at all times and avoid folding in
6573 2006-10-24 Ben Elliston <bje@au.ibm.com>
6575 * reload1.c: Formatting fixes.
6577 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
6579 PR tree-optimization/14784
6580 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
6581 * tree-ssa-structalias.c (get_constraint_for,
6582 intra_create_variable_infos): Set is_heapvar.
6583 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
6584 non-heapvar pointer variables specially.
6586 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6589 * builtins.c (fold_builtin_sin, fold_builtin_cos,
6590 fold_builtin_tan): Fold all constant arguments. Take a "type"
6591 argument as necessary.
6592 (do_mpfr_arg1): New.
6593 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
6595 2006-10-23 Bob Wilson <bob.wilson@acm.org>
6597 * config/xtensa/lib1funcs.asm: Use C-style comments.
6599 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
6601 * tree.c (local_define_builtin): Replace calls to
6602 lang_hooks.builtin_function with add_builtin_function.
6603 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
6605 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
6607 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
6608 common code to add_builtin_function.
6609 * langhooks.c (add_builtin_function): New function.
6610 (lhd_builtin_function): New function.
6611 * langhooks.h (struct lang_hooks): Change the signature of
6613 (add_builtin_function): New function.
6614 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
6615 calls to lang_hooks.builtin_function with add_builtin_function.
6616 * c-common.c (decl_builtin_1): Replace calls to
6617 lang_hooks.builtin_function with add_builtin_function.
6618 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
6619 lang_hooks.builtin_function with add_builtin_function.
6620 * config/frv/frv.c (def_builtin): Replace calls to
6621 lang_hooks.builtin_function with add_builtin_function.
6622 * config/s390/s390.c (s390_init_builtins): Replace calls to
6623 lang_hooks.builtin_function with add_builtin_function.
6624 * config/sparc/sparc.c (def_builtin): Replace calls to
6625 lang_hooks.builtin_function with add_builtin_function.
6626 * config/i386/i386.c (def_builtin): Replace calls to
6627 lang_hooks.builtin_function with add_builtin_function.
6628 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
6629 lang_hooks.builtin_function with add_builtin_function.
6630 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
6631 lang_hooks.builtin_function with add_builtin_function.
6632 * config/stormy16/stormy16.c (xstormy16_init_builtins):
6633 Replace calls to lang_hooks.builtin_function with
6634 add_builtin_function.
6635 * config/iq2000/iq2000.c (def_builtin):
6636 Replace calls to lang_hooks.builtin_function with
6637 add_builtin_function.
6638 * config/ia64/ia64.c (def_builtin): Replace calls to
6639 lang_hooks.builtin_function with add_builtin_function.
6640 * config/rs6000/rs6000.c (def_builtin): Replace calls to
6641 lang_hooks.builtin_function with add_builtin_function.
6642 (altivec_init_builtins): Replace calls to
6643 lang_hooks.builtin_function with add_builtin_function.
6644 * config/arm/arm.c (def_mbuiltin): Replace calls to
6645 lang_hooks.builtin_function with add_builtin_function.
6646 (arm_init_tls_builtins): Replace calls to
6647 lang_hooks.builtin_function with add_builtin_function.
6648 * config/mips/mips.c (mips_init_builtins): Replace calls to
6649 lang_hooks.builtin_function with add_builtin_function.
6650 * config/bfin/bfin.c (def_builtin): Replace calls to
6651 lang_hooks.builtin_function with add_builtin_function.
6652 * langhooks-def.h (lhd_builtin_function): New function.
6653 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
6655 2006-10-23 Jakub Jelinek <jakub@redhat.com>
6657 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
6658 BUILT_IN_STRNCAT_CHK.
6660 2006-10-23 Jan Hubicka <jh@suse.cz>
6662 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
6663 don't do conversion from memmove to memcpy here.
6664 (expand_builtin_bcopy, expand_builtin): Update call of
6665 expand_builtin_memmove.
6666 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
6668 2006-10-23 Paul Brook <paul@codesourcery.com>
6670 * stor-layout.c (start_record_layout): maximum_field_alignment
6671 overrides STRUCTURE_SIZE_BOUNDARY.
6673 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
6675 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
6676 nonlocal function symbols if flag_pic.
6678 2006-10-23 Richard Guenther <rguenther@suse.de>
6682 * builtins.c (fold_binary): Remove checks for flag_wrapv
6683 and flag_trapv where negate_expr_p covers these cases.
6685 2006-10-23 Richard Guenther <rguenther@suse.de>
6688 * fold-const.c (fold_plusminus_mult_expr): Check exact power
6689 of two on the absolute value.
6690 (fold_binary): Fold x * -C to -x * C if x is easily negatable
6691 and negating -C does not overflow.
6693 2006-10-23 Richard Guenther <rguenther@suse.de>
6696 * convert.c (convert_to_real): Fold (float)-x to -(float)x
6697 only if not flag_rounding_math.
6699 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6700 Kaz Kojima <kkojima@gcc.gnu.org>
6703 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
6704 SImode memory reference for the source of a movua.
6705 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
6706 (movua): Use an unspec instead of sign_extract. Expect the source
6707 to have mode BLKmode.
6708 (extv, insv): Use a BLKmode rather than SImode memory reference
6709 for the source of a movua.
6711 2006-10-22 Jeff Law <law@redhat.com>
6712 Richard Guenther <rguenther@suse.de>
6714 PR tree-optimization/15911
6715 * tree-vrp.c (extract_code_and_val_from_cond): New function.
6716 (register_edge_assert_for_1): Likewise.
6717 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
6718 (find_conditional_asserts): Adjust for new function signature.
6719 (find_assert_locations): Likewise.
6721 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6723 * config/i386/tmmintrin.h: Remove the duplicated content.
6725 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6727 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
6728 (x86_64-*-*): Likewise.
6730 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
6731 (override_options): Check SSSE3.
6732 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
6733 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
6734 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
6735 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
6736 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
6737 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
6738 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
6739 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
6740 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
6741 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
6742 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
6743 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
6744 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
6745 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
6746 IX86_BUILTIN_PABSD128.
6747 (bdesc_2arg): Add SSSE3.
6748 (bdesc_1arg): Likewise.
6749 (ix86_init_mmx_sse_builtins): Support SSSE3.
6750 (ix86_expand_builtin): Likewise.
6751 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
6753 * config/i386/i386.md (UNSPEC_PSHUFB): New.
6754 (UNSPEC_PSIGN): Likewise.
6755 (UNSPEC_PALIGNR): Likewise.
6756 Include mmx.md before sse.md.
6758 * config/i386/i386.opt: Add -mssse3.
6760 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
6761 (ssse3_phaddwv4hi3): Likewise.
6762 (ssse3_phadddv4si3): Likewise.
6763 (ssse3_phadddv2si3): Likewise.
6764 (ssse3_phaddswv8hi3): Likewise.
6765 (ssse3_phaddswv4hi3): Likewise.
6766 (ssse3_phsubwv8hi3): Likewise.
6767 (ssse3_phsubwv4hi3): Likewise.
6768 (ssse3_phsubdv4si3): Likewise.
6769 (ssse3_phsubdv2si3): Likewise.
6770 (ssse3_phsubswv8hi3): Likewise.
6771 (ssse3_phsubswv4hi3): Likewise.
6772 (ssse3_pmaddubswv8hi3): Likewise.
6773 (ssse3_pmaddubswv4hi3): Likewise.
6774 (ssse3_pmulhrswv8hi3): Likewise.
6775 (ssse3_pmulhrswv4hi3): Likewise.
6776 (ssse3_pshufbv16qi3): Likewise.
6777 (ssse3_pshufbv8qi3): Likewise.
6778 (ssse3_psign<mode>3): Likewise.
6779 (ssse3_psign<mode>3): Likewise.
6780 (ssse3_palignrti): Likewise.
6781 (ssse3_palignrdi): Likewise.
6782 (abs<mode>2): Likewise.
6783 (abs<mode>2): Likewise.
6785 * config/i386/tmmintrin.h: New file.
6787 * doc/extend.texi: Document SSSE3 built-in functions.
6789 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
6791 2006-10-22 Ira Rosen <irar@il.ibm.com>
6793 * tree-vect-transform.c (vectorizable_load): Use the type of the
6794 return value of the mask_for_load builtin to create realign_load
6797 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6799 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
6802 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
6804 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
6805 (UNSPEC_LDDQU): This.
6806 * config/i386/sse.md (sse3_lddqu): Updated.
6808 2006-10-21 Richard Guenther <rguenther@suse.de>
6810 * builtins.c (expand_builtin_int_roundingfn_2): New function.
6811 (expand_builtin): Use it to expand lrint instead of
6812 expand_builtin_mathfn.
6814 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6817 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
6818 flag_unsafe_math_optimizations is set.
6820 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6823 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
6824 patterns to use memory input operand in x87->mem->XMM
6825 reload sequences. Skip transformation for TARGET_K8.
6827 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6829 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
6830 force operand1 to register if both operands are memory operands.
6831 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
6832 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
6833 if both operands are memory operands.
6834 (truncdfsf2): Do not force operand1 to register if both operands
6835 are memory operands.
6837 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6839 * Makefile.in (LIBS): Add $(GMPLIBS).
6840 * doc/install.texi: Update GMP and MPFR requirements.
6841 * doc/sourcebuild.texi (need_gmp): Delete.
6843 2006-10-21 Richard Guenther <rguenther@suse.de>
6845 PR tree-optimization/3511
6846 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
6847 got new invariant arguments during PHI translation.
6849 2006-10-21 Richard Guenther <rguenther@suse.de>
6852 * fold-const.c (fold_comparison): Fold signed comparisons
6853 of the form X +- C1 CMP Y +- C2.
6855 2006-10-21 Richard Guenther <rguenther@suse.de>
6858 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
6859 if flag_unsafe_math_optimizations is specified. We have
6860 flag_finite_math_only for that.
6861 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
6862 or flag_unsafe_math_optimizations.
6864 2006-10-21 Richard Guenther <rguenther@suse.de>
6866 * builtins.c (fold_builtin_classify): Fix typo.
6868 2006-10-21 Richard Guenther <rguenther@suse.de>
6871 * simplify-rtx.c (simplify_const_relational_operation):
6872 Do not constant-fold ORDERED and UNORDERED for
6873 flag_unsafe_math_optimizations but only we do not need to
6874 honor NaNs for the given mode.
6876 2006-10-21 Richard Guenther <rguenther@suse.de>
6879 * config/i386/i386.c (classify_argument): Remove redundant
6880 walking of the BINFOs.
6881 (contains_128bit_aligned_vector_p): Likewise.
6883 2006-10-20 Mark Mitchell <mark@codesourcery.com>
6885 * BASE-VER: Set to 4.3.0.
6887 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
6889 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
6890 (tree_decl_with_vis): Remove artificial_pta_var flag.
6891 * tree-flow.h (referenced_var_check_and_insert): Expose.
6892 (nonlocal_all): New prototype.
6893 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
6894 (nonlocal_all): Make global.
6895 (nonlocal_lookup): Remove.
6896 (nonlocal_insert): Ditto.
6897 (create_nonlocal_var): Do not call nonlocal_insert.
6898 (get_nonlocal_id_for_type): Remove.
6899 (find_global_initializers): Mark new vars we find for renaming.
6900 (intra_create_variable_infos): Only create one nonlocal.
6901 (expand_nonlocal_solutions): Remove.
6902 (compute_points_to_sets): Don't call it.
6903 (ipa_pta_execute): Ditto.
6904 (init_alias_heapvars): Don't create nonlocal_for_type.
6905 (delete_alias_heapvars): Don't remove it.
6906 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
6909 2006-10-19 Brooks Moses <bmoses@stanford.edu>
6911 * doc/install.texi (Downloading GCC): Clarify mention of
6912 Fortran in the "full distribution" description.
6914 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
6916 Fix PR tree-optimization/28778
6917 Fix PR tree-optimization/29156
6918 Fix PR tree-optimization/29415
6919 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
6920 (tree_decl_with_vis): Add artificial_pta_var flag.
6921 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
6922 pushed into callers.
6923 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
6924 (nonlocal_all): Ditto.
6925 (struct variable_info): Add directly_dereferenced member.
6926 (var_escaped_vars): New variable.
6927 (escaped_vars_tree): Ditto.
6928 (escaped_vars_id): Ditto.
6929 (nonlocal_vars_id): Ditto.
6930 (new_var_info): Set directly_dereferenced.
6931 (graph_size): New variable
6932 (build_constraint_graph): Use graph_size.
6933 (solve_graph): Don't process constraints that cannot change the
6934 solution, don't try to propagate an empty solution to our
6936 (process_constraint): Set directly_dereferenced.
6937 (could_have_pointers): New function.
6938 (get_constraint_for_component_ref): Don't process STRING_CST.
6939 (nonlocal_lookup): New function.
6940 (nonlocal_insert): Ditto.
6941 (create_nonlocal_var): Ditto.
6942 (get_nonlocal_id_for_type): Ditto.
6943 (get_constraint_for): Allow results vector to be empty in the case
6944 of string constants.
6945 Handle results of calls properly.
6946 (update_alias_info): Update alias info stats on number and type of
6948 (find_func_aliases): Use could_have_pointers.
6949 (make_constraint_from_escaped): Renamed from
6950 make_constraint_to_anything, and changed to make constraints from
6952 (make_constraint_to_escaped): New function.
6953 (find_global_initializers): Ditto.
6954 (create_variable_info_for): Make constraint from escaped to any
6955 global variable, and from any global variable to the set of
6957 (intra_create_variable_infos): Deal with escaped instead of
6958 pointing to anything.
6959 (set_uids_in_ptset): Do type pruning on directly dereferenced
6961 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
6962 (init_base_vars): Fix comment, and initialize escaped_vars.
6963 (need_to_solve): Removed.
6964 (find_escape_constraints): New function.
6965 (expand_nonlocal_solutions): Ditto.
6966 (compute_points_to_sets): Call find_escape_constraints and
6967 expand_nonlocal_solutions.
6968 (delete_points_to_sets): Don't fall off the end of the graph.
6969 (init_alias_heapvars): Initialize nonlocal_for_type and
6971 (delete_alias_heapvars): Free nonlocal_for_type and null out
6974 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
6976 * fold-const.c (add_double): Rename to add_double_with_sign.
6977 Add 'unsigned_p' parameter and take it into account for the overflow.
6978 (mul_double): Rename to mul_double_with_sign.
6979 Add 'unsigned_p' parameter and take it into account for the overflow.
6980 (fold_div_compare): Call add_double_with_sign instead of add_double
6981 and mul_double_with_sign instead of mul_double, passing them the
6982 unsignedness of the type.
6983 * tree.h (add_double): Macroize.
6984 (add_double_with_sign): New prototype.
6985 (mul_double): Macroize.
6986 (mul_double_with_sign): New prototype.
6988 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
6990 * config/score/crti.asm: New file.
6991 * config/score/crtn.asm: New file.
6992 * config/score/elf.h: New file.
6993 * config/score/mac.md: New file.
6994 * config/score/misc.md: New file.
6995 * config/score/mul-div.S: New file.
6996 * config/score/predicates.md: New file.
6997 * config/score/score7.md: New file.
6998 * config/score/score.c: New file.
6999 * config/score/score-conv.h: New file.
7000 * config/score/score.h: New file.
7001 * config/score/score.md: New file.
7002 * config/score/score-mdaux.c: New file.
7003 * config/score/score-mdaux.h: New file.
7004 * config/score/score-modes.def: New file.
7005 * config/score/score.opt: New file.
7006 * config/score/score-protos.h: New file.
7007 * config/score/score-version.h: New file.
7008 * config/score/t-score-elf: New file.
7009 * config.gcc: Add score*-*-* configurations(Update before).
7010 * doc/invoke.texi (Score Options): New section.
7011 * doc/md.texi (Score family): New section to document constraints.
7013 2006-10-19 Nick Clifton <nickc@redhat.com>
7015 * config/arm/arm.c: Fix spelling typo.
7017 2006-10-18 Tom Tromey <tromey@redhat.com>
7019 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
7021 2006-10-18 Jan Hubicka <jh@suse.cz>
7024 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7027 2006-10-18 Marcin Dalecki <martin@dalecki.de>
7029 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7030 TSI_SAME_STMT, since that's the desired entity.
7032 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
7034 * config/s390/contraints.md: New file.
7035 * config/s390/s390-protos.h (s390_mem_constraint,
7036 s390_O_constraint_str, s390_N_constraint_str,
7037 s390_float_const_zero_p): Function prototypes added.
7038 * config/s390/s390.c (s390_extra_constraint_str,
7039 s390_const_double_ok_for_constraint_p,
7040 s390_const_ok_for_constraint_p): Functions removed.
7041 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7042 s390_float_const_zero_p): New functions.
7043 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7044 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7045 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7046 Macro definitions removed.
7047 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7048 s390_extra_constraint_str): Functions removed.
7050 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
7051 Richard Sandiford <richard@codesourcery.com>
7054 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7055 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7057 2006-10-16 Geoffrey Keating <geoffk@apple.com>
7059 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7060 (DWARF2_FRAME_REG_OUT): Likewise.
7061 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7062 (DWARF2_FRAME_REG_OUT): Likewise.
7064 2006-10-17 Paul Brook <paul@codesourcery.com>
7066 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7068 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7070 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7071 Standardize on "GNU Fortran" as the official name of the Fortran
7074 2006-10-16 Mike Stump <mrs@apple.com>
7076 * doc/invoke.texi (Darwin Options): Document -mkernel.
7077 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7079 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
7080 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7081 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7082 (OS_MISSING_ALTIVEC): Add.
7083 * config/i386/i386.c (override_options): Add
7084 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7085 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7086 -mkernel, -static or -mdynamic-no-pic is given.
7087 (C_COMMON_OVERRIDE_OPTIONS): Add.
7088 * config/darwin.opt (fapple-kext): Add.
7090 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7091 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7093 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7094 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7095 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7096 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7097 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7098 (flag_mkernel): Add.
7099 (flag_apple_kext): Add.
7100 (TARGET_KEXTABI): Add.
7101 * config/darwin.c (darwin_handle_kext_attribute): Add.
7102 (DARWIN_VTABLE_P): Add.
7103 (darwin_binds_local_p): Add partial support for rebinding vtables
7105 (darwin_kextabi_p): Add.
7106 (darwin_override_options): Add.
7107 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7108 (darwin_kextabi_p): Add.
7109 (darwin_override_options): Add.
7110 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7111 __DYNAMIC__ and __STATIC__ here.
7113 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7115 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7116 Added mention of "make pdf" target, and Texinfo requirements for
7119 2006-10-16 DJ Delorie <dj@redhat.com>
7121 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7122 into the GOT in case we need a subreg of the address.
7124 2006-10-16 Richard Guenther <rguenther@suse.de>
7127 * doc/extend.texi (X86 Built-in Functions): Fix typos in
7128 SSE builtin documentation. Document SSE2 builtins.
7130 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7132 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7133 symbol in the output file for non-shared links when -nostdlib or
7134 -nodefaultlibs isn't specified.
7136 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7137 posix thread support.
7139 2006-10-15 Jan Hubicka <jh@suse.cz>
7142 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7143 declared always_inline even when not inlining.
7145 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7146 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7147 Andrew Pinski <pinskia@gmail.com>
7150 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
7152 2006-10-15 Jan Hubicka <jh@suse.cz>
7153 Richard Guenther <rguenther@suse.de>
7156 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7157 process_function_and_variable_attributes on all variables, including
7158 those discovered during cgraph construction phase.
7160 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
7162 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
7164 2006-10-14 Uros Bizjak <uros@kss-loka.si>
7166 * config/i386/athlon.md (athlon_fist): Add fisttp.
7168 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7169 Ian Lance Taylor <ian@airs.com>
7172 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7173 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7176 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
7178 * config/score/score.c, config/score/score.h: Fix comment
7181 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7184 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7187 2006-10-13 Eric Christopher <echristo@apple.com>
7189 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7191 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7194 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7195 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7196 alignment supported by 32-bit ELF.
7198 2006-10-13 Eric Christopher <echristo@apple.com>
7200 * config/darwin.c (darwin_emit_unwind_label): Strip
7201 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
7203 2006-10-13 Richard Guenther <rguenther@suse.de>
7205 PR tree-optimization/29446
7206 * tree-vrp.c (fix_equivalence_set): Remove.
7207 (extract_range_from_assert): Do not call fix_equivalence_set.
7208 (debug_value_range): Print a newline.
7209 (compare_name_with_value): For equivalence sets with
7210 inconsistent value ranges conservatively bail out.
7211 (compare_names): Likewise.
7213 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7215 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
7216 and MPFR for gfortran.
7218 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7220 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7221 alignment supported by 32-bit ELF.
7223 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
7227 * c-typeck.c (digest_init): Always allow initializing vectors
7228 that have static storage duration with compound literals.
7229 * tree.c (build_type_attribute_qual_variant): New, based on
7230 build_type_attribute_variant.
7231 (build_type_attribute_variant): Rewrite using the former.
7232 (make_vector_type): Use build_type_attribute_qual_variant to build
7233 type variants. Use type_hash_canon on the others.
7235 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
7236 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
7238 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
7240 2006-10-12 Jan Hubicka <jh@suse.cz>
7243 * c-decl.c (c_make_fname_decl): Do not segfault in case where
7244 current_function_decl is set but current_function_scope is not.
7246 2006-10-12 Jie Zhang <jie.zhang@analog.com>
7248 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
7249 emit_insn to emit eh_return_internal instruction.
7250 (eh_return_internal): Explicitly set pc.
7252 2006-10-11 Richard Guenther <rguenther@suse.de>
7254 PR tree-optimization/28230
7255 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
7256 to the correct place.
7258 2006-10-11 Richard Guenther <rguenther@suse.de>
7261 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
7264 2006-10-10 Brooks Moses <bmoses@stanford.edu>
7266 * configure.ac: Added pdf to "Make-hooks"
7267 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
7268 targets and *.pdf file patterns in cleanup targets.
7269 * configure: Regenerated.
7271 2006-10-10 Anatoly Sokolov <aesok@post.ru>
7273 * config/avr/predicates.md: New file.
7274 * config/avr/avr.md: Include it.
7275 (REG_SP): New constant.
7276 (peepholes): Use predicates.
7277 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
7278 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
7279 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
7281 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
7283 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
7286 2006-10-10 Jakub Jelinek <jakub@redhat.com>
7289 * builtins.c (var_decl_component_p): New function.
7290 (fold_builtin_memset, fold_builtin_memory_op): Restrict
7291 single entry optimization to variables and components thereof.
7293 2006-10-10 Richard Guenther <rguenther@suse.de>
7295 PR rtl-optimization/29323
7296 * except.c (set_nothrow_function_flags): For functions
7297 that do not bind local bail out early.
7299 2006-10-10 Ben Elliston <bje@au.ibm.com>
7301 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7304 2006-10-09 Richard Henderson <rth@redhat.com>
7306 Revert emutls patch.
7308 2006-10-09 Richard Guenther <rguenther@suse.de>
7311 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7314 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7317 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7318 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7319 * configure: Regenerate.
7320 * config.in: Regenerate.
7322 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7324 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7326 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7328 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7329 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7330 Remove stray newline.
7332 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7334 * config/mips/mips.c (mips_classify_symbol): Do not return
7335 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7336 (mips_in_small_data_p): Tweak comments.
7338 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7340 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7342 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7344 * gimplify.c, sched-int.h: Fix comment typos.
7346 * sched-int.h: Fix comment typos.
7348 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7350 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7352 * sched-ebb.c (begin_schedule_ready): Use them.
7353 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7354 add_to_speculative_block, create_check_block_twin, speculate_insn,
7355 fix_jump_move, move_block_after_check): Ditto.
7356 * sched-rgn.c (new_ready): Ditto.
7358 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7360 PR rtl-optimization/29128
7361 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7362 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7363 allow interblock movement of speculation checks.
7365 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7368 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7369 casted to integer type.
7370 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7371 if they are significantly more expensive than [reg + index] ones.
7373 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7375 PR tree-optimization/29330
7376 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7377 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7378 on newly allocated ddrs.
7379 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7380 to VEC (loop_p, heap) pointer.
7381 (compute_data_dependences_for_loop): Adjust caller.
7382 (free_dependence_relations): Free DDR_LOOP_NEST.
7384 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7385 free DEPENDENCE_RELATIONS and DATAREFS.
7388 * builtins.c (expand_builtin_sync_operation,
7389 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7390 Use convert_to_mode to handle promoted arguments.
7392 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7394 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7396 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7398 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7400 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7402 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7403 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7404 Use <modeconstraint> instead of "r" as operand 1 constraint.
7406 2006-10-06 Olivier Hainque <hainque@adacore.com>
7408 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7409 Don't recurse on the pointed-to type.
7410 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7411 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7412 types with components of variable size.
7414 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7416 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7418 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7420 PR tree-optimization/29290
7421 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7425 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7426 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7429 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7430 the number of vector elements fill the rest with zeros.
7432 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7434 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7435 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7438 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7440 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7441 unnamed pattern into subsi3. Use correct constraints/predicates.
7442 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7443 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7445 2006-10-05 Ira Rosen <irar@il.ibm.com>
7447 * doc/loop.texi: Add data references analysis description.
7449 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7451 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7453 2006-10-04 Richard Henderson <rth@redhat.com>
7454 Jakub Jelinek <jakub@redhat.com>
7456 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7457 * builtin-types.def (BT_WORD): Make unsigned.
7458 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7459 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7460 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7461 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7462 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7463 * cgraph.c (decide_is_variable_needed): Look at force_output.
7464 Recurse for emulated tls.
7465 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7466 checks redundant with decide_is_variable_needed.
7467 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7468 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7470 * expr.c (emutls_var_address): New.
7471 (expand_expr_real_1): Expand emulated tls.
7472 (expand_expr_addr_expr_1): Likewise.
7473 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7474 * output.h (emutls_finish): Declare.
7475 * toplev.c (compile_file): Call it.
7476 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7477 address before wrapping in CONST.
7478 * varasm.c (emutls_htab, emutls_object_type): New.
7479 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7480 (get_emutls_object_name, get_emutls_object_type): New.
7481 (get_emutls_init_templ_addr, emutls_decl): New.
7482 (emutls_common_1, emutls_finish): New.
7483 (assemble_variable): When emulating tls, swap decls; generate
7484 constructor for the emutls objects.
7485 (do_assemble_alias): When emulating tls, swap decl and target name.
7486 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7488 * emutls.c: New file.
7489 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7490 tls_object for real tls.
7492 2006-10-04 Zack Weinberg <zackw@panix.com>
7494 Fix bug in constraint-check generator, reported by Rask Ingemann
7496 * genpreds.c (add_constraint): Don't remove anything from the
7498 (write_tm_constrs_h): Detect whether "op" argument is used, and
7499 mark it ARG_UNUSED if it isn't.
7500 (write_insn_const_int_ok_for_constraint): Skip the part of the
7501 expression that would test whether "op" (which is not available
7502 here) is a CONST_INT.
7504 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7507 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7509 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7511 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7512 current Leopard versions.
7513 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
7515 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
7517 * doc/install.texi: Fix typos.
7519 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7521 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
7522 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
7523 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7525 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
7527 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
7528 arg to be struct mach_header_64* instead.
7530 2006-10-02 Jakub Jelinek <jakub@redhat.com>
7533 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
7534 side effects after the outer expression's post side effects.
7536 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
7538 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
7539 comments to reflect actual behavior and relationship between
7540 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
7542 * doc/c-tree.texi (Working with declarations): Fix documentation
7543 of FIELD_DECL likewise.
7545 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
7548 * doc/extend.texi: Add used variable attribute description.
7550 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
7553 * c.opt (Woverride-init): New.
7554 * c-opts.c (c_common_post_options): Default warn_override_init to
7556 * c-typeck.c (add_pending_init, output_init_element): Warn for
7557 overriding initializers without side effects.
7558 * doc/invoke.texi (-Woverride-init): Document.
7561 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
7563 PR rtl-optimization/28096
7564 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
7565 assignment has already been used as a destination earlier in the block.
7567 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
7569 * builtins.c (expand_builtin_setjmp): Delete.
7570 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
7571 <BUILT_IN_SETJMP_SETUP>: New case.
7572 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
7573 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
7574 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
7575 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
7576 (BUILT_IN_SETJMP_RECEIVER): Likewise.
7577 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
7578 (lower_function_body): Initialize it to false. If it is set to true
7579 at the end of the processing, emit the setjmp dispatcher.
7580 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
7581 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
7582 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
7583 on the rhs of the assignment.
7584 (lower_builtin_setjmp): New function.
7585 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
7586 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
7587 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
7588 to detect calls that can go to non-local labels. Use specific
7589 helper to create the abnormal edges associated with them.
7590 <MODIFY_EXPR>: Likewise.
7591 (make_abnormal_goto_edges): New function extracted from...
7592 (make_goto_expr_edges): ...here. Call it for computed gotos.
7593 (simple_goto_p): Minor tweak.
7594 (tree_can_make_abnormal_goto): New predicate.
7595 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
7596 (tree_purge_dead_abnormal_call_edges): New function.
7597 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
7598 (tree_purge_dead_abnormal_call_edges): Likewise.
7599 (make_abnormal_goto_edges): Likewise.
7600 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
7601 Purge all dead abnormal edges if the call was in the last statement.
7602 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
7603 (execute_fixup_cfg): If there are non-local labels in the function,
7604 scan the basic blocks and split them at calls that can go to non-local
7605 labels or add missing abnormal call edges. Write down the CFG in the
7607 (pass_fixup_cfg): Remove TODO_dump_func flag.
7608 * unwind-sjlj.c: Poison setjmp.
7609 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
7610 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
7611 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
7612 (DONT_USE_BUILTIN_SETJMP): Document it.
7614 2006-09-28 Geoffrey Keating <geoffk@apple.com>
7617 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
7618 to 1 when __ppc64__ is defined.
7619 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
7621 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
7623 2006-09-28 Steve Ellcey <sje@cup.hp.com>
7625 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
7626 * config/ia64/unwind-hpux.c: Delete.
7628 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
7630 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
7631 on the element before gimplifying it, instead of punting if it is of
7634 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
7636 * doc/loop.texi: New file.
7637 * doc/gccint.texi: Reference loop.texi.
7638 * Makefile.in (loop.texi): Add.
7640 2006-09-27 Geoffrey Keating <geoffk@apple.com>
7642 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
7644 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7645 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7647 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
7649 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
7651 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
7653 * doc/install.texi: Document required versions of GMP and MPFR.
7655 2006-09-27 Paul Brook <paul@codesourcery.com>
7658 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
7660 2006-09-27 Richard Sandiford <richard@codesourcery.com>
7662 * reload1.c (alter_reg): Require the alignment of the stack slot to
7663 be at least reg_max_ref_width bytes.
7664 (scan_paradoxical_subregs): Record the largest width in
7667 2006-09-26 Jakub Jelinek <jakub@redhat.com>
7671 * tree-nested.c (struct nesting_info): Added static_chain_added.
7672 (convert_call_expr): Set static_chain_added when adding static
7673 chain. Handle OMP_PARALLEL and OMP_SECTION.
7675 2006-09-25 Matthias Klose <doko@debian.org>
7677 * doc/invoke.texi: Add missing full stop.
7679 2006-09-25 Richard Henderson <rth@redhat.com>
7681 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
7682 before cgraph_function_flags_ready.
7684 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
7685 Adam Nemet <anemet@caviumnetworks.com>
7687 * tree-ssa-loop-ivopts.c (aff_combination_convert,
7688 determine_common_wider_type): New functions.
7689 (get_computation_aff): Use them to simplify arithmetic between
7690 UBASE and CBASE if they are shortened from the same type.
7692 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
7695 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
7696 -2147483647 - 1 instead of 0x80000000.
7698 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
7700 * flags.h (HONOR_NANS): Fix typo in comment.
7702 2006-09-23 Uros Bizjak <uros@kss-loka.si>
7704 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
7706 2006-09-23 Jakub Jelinek <jakub@redhat.com>
7710 * tree.c (merge_attributes, attribute_list_contained): If both
7711 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
7713 * c-typeck.c (comptypes_internal): Don't consider aggregates
7714 in different TUs as compatible if there one set of attributes is
7715 not a subset of the other type's attributes.
7716 (composite_type): Try harder not to create a new aggregate type.
7718 2006-09-22 Geoffrey Keating <geoffk@apple.com>
7720 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
7721 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
7722 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
7723 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
7724 than replicating condition above.
7725 * config.host (i[34567]86-*-*): Always use driver-i386.o.
7727 * config/darwin.h (LINK_SYSROOT_SPEC): New.
7728 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
7729 the linker by default.
7731 2006-09-22 Mike Stump <mrs@apple.com>
7733 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
7736 2006-09-22 Richard Guenther <rguenther@suse.de>
7739 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
7740 sort of stack variables stable.
7742 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
7745 * explow.c (force_reg): Set REG_POINTER flag according to
7748 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
7750 PR tree-optimization/28888
7751 * tree-if-conv.c (combine_blocks): Rewritten.
7752 * tree-cfg.c (tree_verify_flow_info): Check that edges with
7753 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
7755 2006-09-22 Jakub Jelinek <jakub@redhat.com>
7757 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
7760 2006-09-21 Richard Sandiford <richard@codesourcery.com>
7762 * varasm.c (copy_constant): Fix reversed gcc_assert check.
7764 2006-09-21 Janis Johnson <janis187@us.ibm.com>
7766 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
7768 2006-09-21 Roger Sayle <roger@eyesopen.com>
7771 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
7772 dw_fde_current_label, to be the start of the function, i.e. the same
7773 value as dw_fde_begin.
7775 2006-09-20 Richard Sandiford <richard@codesourcery.com>
7777 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
7778 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
7779 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
7780 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
7781 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
7782 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
7783 (abs<mode>2, neg<mode>2): Likewise.
7784 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
7785 (*mips_abs_ps): New define_insn.
7787 2006-09-20 Josh Conner <jconner@apple.com>
7790 * calls.c (expand_call): Allow reuse of structure return stack
7793 2006-09-20 Paul Brook <paul@codesourcery.com>
7795 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
7798 2006-09-20 Janis Johnson <janis187@us.ibm.com>
7800 * doc/extend.texi (Decimal Float): Update for latest draft TR,
7801 clean up terminology.
7803 2006-09-20 Steve Ellcey <sje@cup.hp.com>
7806 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
7807 with tablejumps in them.
7809 2006-09-20 Jakub Jelinek <jakub@redhat.com>
7812 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
7813 wrap it into TARGET_EXPR.
7815 2006-09-20 Eric Christopher <echristo@apple.com>
7817 * config/i386/i386.c (x86_fisttp): Remove.
7818 * config/i386/i386.h (x86_fisttp): Ditto.
7819 (TARGET_FISTTP): Ditto.
7821 2006-09-19 Eric Christopher <echristo@apple.com>
7823 * doc/tm.texi (OBJC_JBLEN): Describe.
7824 * config/i386/darwin.h (OBJC_JBLEN): Define.
7825 * config/rs6000/darwin.h: Ditto.
7827 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
7829 PR rtl-optimization/21299
7830 * reload1.c (reload): Purge invalid ASMs in the final pass.
7832 2006-09-19 Steve Ellcey <sje@cup.hp.com>
7835 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
7836 pointers as legitimate constants.
7838 2006-09-19 Paul Brook <paul@codesourcery.com>
7841 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
7843 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
7845 PR tree-optimization/28887
7846 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
7847 component parts from the reference.
7848 (gather_memory_references_ref): Record the reference without the
7849 nonaddressable component parts.
7851 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
7854 * c-opts.c (c_common_handle_option): Ignore the -std options
7855 if the input language is assembly.
7857 2006-09-17 Ira Rosen <irar@il.ibm.com>
7860 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
7862 (ptr_ptr_may_alias_p): Likewise.
7863 (record_record_differ_p): New function.
7864 (base_object_differ_p): Call record_record_differ_p.
7866 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7869 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
7870 away for the expr argument.
7872 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7875 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
7876 before using it for dumping after vectorizing loops.
7878 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7879 Jack Howarth <howarth@bromo.med.uc.edu>
7882 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
7883 skip on error_mark_node.
7884 (rs6000_darwin64_record_arg_recurse): Likewise.
7886 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7888 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
7889 * doc/rtl.texi: Remove related documentation.
7891 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
7893 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
7896 2006-09-15 Jim Wilson <wilson@specifix.com>
7898 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
7899 Handle symbol offsets same as they are handled in ia64_expand_move
7902 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
7904 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
7905 Add forgotten parameter to the fprintf call.
7907 2006-09-15 Steve Ellcey <sje@cup.hp.com>
7909 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
7911 2006-09-15 Uros Bizjak <uros@kss-loka.si>
7913 * doc/contrib.texi: Add my entry.
7915 2006-09-15 Nick Clifton <nickc@redhat.com>
7917 * doc/md.texi (Processor pipeline description): Fix typo in
7918 example of how to use the absence_set directive and reword the
7919 description to make it slightly easier to read.
7921 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
7923 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
7924 * loop-doloop.c (doloop_optimize): Use it to limit costs of
7925 expanding the number of iterations.
7926 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
7928 * cfgrtl.c (emit_insn_at_entry): New function.
7929 * rtl.h (emit_insn_at_entry): Declare it.
7930 * integrate.c (emit_initial_value_sets): Use it.
7932 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
7934 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
7936 (struct loop_work and related VEC declarations): Delete.
7937 (bfin_dump_loops): Print out new member bad.
7938 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
7939 (bfin_scan_loop): Don't recurse.
7940 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
7941 loops. No longer need to update outer loops if the current one is
7942 found bad. Move some validitiy checks to bfin_discover_loop.
7943 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
7944 but changed not to check for nesting. Also changed to use the new bad
7946 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
7947 time. Use bitmap based test to discover loop nesting.
7949 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
7951 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
7954 2006-09-14 Richard Guenther <rguenther@suse.de>
7955 Kazu Hirata <kazu@codesourcery.com>
7957 PR middle-end/28884.
7958 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
7959 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
7960 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
7961 with TARGET_FUNCTION_VALUE.
7963 2006-09-14 Anatoly Sokolov <aesok@post.ru>
7966 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
7968 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
7970 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
7973 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
7976 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
7979 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7981 * basic_block.h (bb_has_eh_pred): Fix comment.
7983 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7985 * flow.c (calculate_global_regs_live): Invalidate eh registers
7986 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
7987 (propagate_block): Handle eh registers as if they were set at basic
7989 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
7991 * global.c (global_conflicts): Make eh registers to conflict with
7992 pseudos live at basic block begin.
7993 * basic_block.h (bb_has_eh_pred): New function.
7995 2006-09-13 Richard Sandiford <richard@codesourcery.com>
7997 PR rtl-optimization/28982
7998 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
7999 index of a PRE_MODIFY or POST_MODIFY address.
8000 * reload1.c (inc_for_reload): Use find_replacement on the original
8001 base and index registers.
8003 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
8005 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
8006 for -Os. Update __m128 alignment requirement.
8008 2006-09-13 Jan Hubicka <jh@suse.cz>
8010 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
8012 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
8014 PR rtl-optimization/28243
8015 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8016 the insn to which the note was originally attached.
8018 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
8019 Roger Sayle <roger@eyesopen.com>
8021 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8022 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8023 on platforms that don't use dwarf for debug info.
8025 2006-09-12 Jason Merrill <jason@redhat.com>
8028 * builtins.c (expand_builtin_setjmp_receiver): Clobber
8029 hard_frame_pointer_rtx after using it to update the frame pointer.
8031 2006-09-12 Roger Sayle <roger@eyesopen.com>
8033 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8034 (TARGET_ASM_CLOSE_PAREN): Likewise.
8035 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8036 (TARGET_ASM_CLOSE_PAREN): Likewise.
8038 2006-09-12 Roger Sayle <roger@eyesopen.com>
8041 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
8042 frame information for frames larger than 512 Kbytes on Tru64 when
8043 using the native assembler.
8045 2006-09-12 Roger Sayle <roger@eyesopen.com>
8049 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8050 and symbols. Instead use the implementation from cse.c's hash_rtx.
8052 2006-09-12 Jan Hubicka <jh@suse.cz>
8054 PR rtl-optimization/28071
8055 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8056 (vect_transform_loop): Likewise.
8057 * tree-vectorizer.c (new_loop_vec_info): Likewise.
8058 (new_loop_vec_info): Likewise.
8059 (destroy_loop_vec_info): Likewise.
8060 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
8061 (create_stmt_ann): Likewise.
8062 (create_tree_ann): Rename to ...
8063 (create_tree_common_ann): ... this one; allocate only the common part
8065 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8066 (get_value_handle): Likewise.
8067 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8068 get_tree_common_ann.
8069 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8070 (vinfo_for_stmt): Use stmt annotations.
8071 * tree-flow.h (tree_ann_common_t): New type.
8072 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8073 (tree_ann, get_tree_ann, create_tree_ann): New.
8074 * tree-flow-inline.h (get_function_ann): Do more type checking.
8075 (stmt_ann): Likewise.
8076 (tree_ann): Rename to ...
8077 (tree_common_ann): ... this one; return ony common_ann
8078 (get_tree_ann): Rename to ...
8079 (tree_common_ann): This one; return only common_ann.
8080 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8083 2006-09-11 Geoffrey Keating <geoffk@apple.com>
8085 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8086 with_cpu by default.
8088 * dwarf2out.c (dwarf_file_data): New.
8089 (enum dw_val_class): Add dw_val_class_file.
8090 (struct dw_val_struct): Add val_file.
8091 (file_table): Change to a hash table.
8092 (file_table_emitted): Delete.
8093 (file_table_last_lookup_index): Delete.
8094 (emitcount): Delete.
8095 (last_emitted_file): New.
8096 (lookup_filename): Change prototype to return a struct dwarf_file_data.
8097 (init_file_table): Delete.
8098 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8099 (AT_addr): Add comment.
8103 (print_die): Handle dw_val_class_file.
8104 (print_dwarf_line_table): Update for new file table structure.
8105 (attr_checksum): Do checksum a filename.
8106 (same_dw_val_p, same_attr_p): Do compare a filename.
8107 (size_of_die): Handle dw_val_class_file.
8108 (value_format): Likewise.
8109 (output_die): Likewise. Also, call maybe_emit_file here.
8110 (struct file_info): Constify filenames. Make file_idx a pointer
8111 to a struct dwarf_file_data.
8112 (struct dir_info): Constify directory names. Remove 'used' field.
8113 (struct file_name_acquire_data): New.
8114 (file_name_acquire): New.
8115 (output_file_names): Modify to handle new file data structures.
8116 (add_src_coords_attributes): Use add_AT_file.
8117 (add_call_src_coords_attributes): Likewise.
8118 (dwarf2out_imported_module_or_decl): Likewise.
8119 (gen_subprogram_die): Modify for new file data structures.
8120 (gen_variable_die): Likewise.
8121 (file_table_eq): New.
8122 (file_table_hash): New.
8123 (file_table_last_lookup): New.
8124 (lookup_filename): Rewrite to handle new file data structures.
8125 (maybe_emit_file): Rewrite to handle new file data structures.
8126 (dwarf2out_source_line): Always call lookup_filename and
8128 (dwarf2out_init): Create file_table here.
8129 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8130 (file_table_relative_p): New.
8131 (dwarf2out_finish): Change detection of relative filenames
8132 to work with new file data structures. Move output_line_info call
8133 after debug_info output.
8135 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
8140 * config/i386/i386.c (override_options): Always default to 16
8141 byte stack boundary.
8143 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
8146 * var-tracking.c (dump_dataflow_set): Start dumping at
8148 (clobber_variable_part): Kill only the variable part in
8149 registers holding it, leaving other variables alone.
8151 2006-09-11 Josh Triplett <josh@freedesktop.org>
8153 * doc/extend.texi (Other Builtins): Actually use the macro
8154 argument in the documentation example for
8155 __builtin_types_compatible_p.
8157 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8159 PR rtl-optimization/28726
8160 * sched-deps.c (sched_analyze_reg): New function extracted from...
8161 (sched_analyze_1): ...here. Call it to analyze references to
8162 registers. Treat again writes to a stack register as writing to the
8164 (sched_analyze_2): ...and here. Call it to analyze references to
8165 registers. Treat again reads of a stack register as reading the
8168 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
8169 David Edelsohn <edelsohn@gnu.org>
8172 * config/rs6000/spe.md (frob_df_di): Remove %H.
8173 (frob_di_df): Remove %H. Change evmergelo to mr.
8174 (frob_di_df_2): Remove %H. Change evldd to two loads.
8176 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
8178 * doc/cpp.texi: Fix names of charset options.
8180 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
8183 * config/i386/i386.c (override_options): Use 128-bit
8184 stack boundary always for 64bits.
8186 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8188 PR rtl-optimization/28636
8189 * combine.c (force_to_mode): Test for side-effects before
8190 substituting by zero.
8191 (simplify_shift_const): Likewise for zero or other constants.
8193 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
8196 * builtins.c (expand_builtin_setjmp): Force next_lab to be
8199 2006-09-10 Richard Sandiford <richard@codesourcery.com>
8202 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
8203 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
8204 returned by mode_for_size, rather than the mode of src itself,
8205 to choose between 32-bit and 64-bit patterns.
8206 (mips_mem_fits_mode_p): New function.
8207 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
8208 that the size of the source matches the size of the destination.
8209 (mov_<store>l, mov_<store>r): Likewise.
8211 2006-09-10 Eric Christopher <echristo@apple.com>
8213 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
8216 2006-09-09 Eric Christopher <echristo@apple.com>
8219 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
8222 2006-09-09 Roger Sayle <roger@eyesopen.com>
8223 Nicolas Setton <setton@adacore.com>
8225 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
8227 2006-09-10 Andreas Schwab <schwab@suse.de>
8229 * config/m68k/m68k.md (bungt_rev): New pattern.
8231 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
8232 Dale Johannesen <dalej@apple.com>
8235 * regclass.c (struct reg_pref): Update documentation.
8236 (regclass): Set prefclass to NO_REGS if memory is the best option.
8237 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8239 2006-09-08 Eric Christopher <echristo@apple.com>
8241 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
8242 * config/t-slibgcc-darwin: Support x86_64 multilib.
8243 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
8244 Return 1 for x86_64-darwin.
8245 * config/i386/t-darwin: Add m64 multilib.
8246 (LIB2_SIDITI_CONV_FUNCS): Use.
8247 (LIB2FUNCS_EXTRA): Ditto.
8248 * config/i386/darwin.h: Support x86_64.
8249 * config/i386/i386.c (override_options): Turn on flag_pic
8250 for x86_64-darwin. Disable flag_omit_pointer.
8251 (get_pc_thunk_name): Assert !TARGET_64BIT.
8252 (legitimate_address_p): Disable machopic addressing for
8254 (legitimize_pic_address): Ditto.
8255 (ix86_expand_move): Ditto.
8256 (ix86_expand_call): Ditto.
8257 (machopic_output_stub): Ditto.
8258 * config/darwin.c (machopic_select_section): Support literal16.
8259 (machopic_select_rtx_section): Ditto.
8260 * config/darwin-sections.def: Ditto.
8261 * config/darwin-64.c: New.
8263 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
8266 * c-tree.h (struct c_arg_info): Add pending_sizes.
8267 * c-parser.c (c_parser_parms_declarator,
8268 c_parser_parms_list_declarator): Initialize pending_sizes.
8269 * c-decl.c (get_parm_info): Initialize pending_sizes.
8270 (get_parm_info): Set pending_sizes.
8271 (grokdeclarator): Call put_pending_sizes for parameters for
8272 function definition only.
8274 2006-09-07 Jason Merrill <jason@redhat.com>
8277 * varasm.c (output_constant): Only strip actual no-op conversions.
8280 * config/i386/i386.c (override_options): Use 128-bit
8281 stack boundary if -msse.
8283 2006-09-07 Eric Christopher <echristo@apple.com>
8285 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
8287 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8290 2006-09-07 Geoffrey Keating <geoffk@apple.com>
8292 * dwarf2out.c: Remove strange characters from comment above
8293 dwarf2out_frame_debug_expr.
8295 2006-09-07 Eric Christopher <echristo@apple.com>
8297 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
8298 * config/darwin.h: ... to here.
8300 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
8302 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8304 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8305 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8307 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8308 TARGET_PARTIAL_FLAG_REG_STALL.
8309 (*ashldi3_cconly_rex64): Likewise.
8310 (*ashlsi3_cmp): Likewise.
8311 (*ashlsi3_cconly): Likewise.
8312 (*ashlsi3_cmp_zext): Likewise.
8313 (*ashlhi3_cmp): Likewise.
8314 (*ashlhi3_cconly): Likewise.
8315 (*ashlqi3_cmp): Likewise.
8316 (*ashlqi3_cconly): Likewise.
8317 (*ashrdi3_cmp_rex64): Likewise.
8318 (*ashrdi3_cconly_rex64): Likewise.
8319 (*ashrsi3_cmp): Likewise.
8320 (*ashrsi3_cconly): Likewise.
8321 (*ashrsi3_cmp_zext): Likewise.
8322 (*ashrhi3_cmp): Likewise.
8323 (*ashrhi3_cconly): Likewise.
8324 (*ashrqi3_cmp): Likewise.
8325 (*ashrqi3_cconly): Likewise.
8326 (*lshrdi3_cmp_rex64): Likewise.
8327 (*lshrdi3_cconly_rex64): Likewise.
8328 (*lshrsi3_cmp): Likewise.
8329 (*lshrsi3_cconly): Likewise.
8330 (*lshrsi3_cmp_zext): Likewise.
8331 (*lshrhi3_cmp): Likewise.
8332 (*lshrhi3_cconly): Likewise.
8333 (*lshrqi2_cmp): Likewise.
8334 (*lshrqi2_cconly): Likewise.
8336 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8339 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8340 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8341 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8342 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8343 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8344 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8345 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8346 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8347 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8348 implement only CC setting effects of shift instructions.
8350 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8352 * doc/contrib.texi: Add myself.
8354 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8357 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8358 was set by the user.
8360 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8363 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8364 (divsi_inv_m1): Use them.
8365 (UNSPEC_DIV_INV_TABLE): New constant.
8367 2006-09-06 James E Wilson <wilson@specifix.com>
8370 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8371 then call count_or_remove_death_notes.
8373 2006-09-06 Jason Merrill <jason@redhat.com>
8376 * tree-inline.c (copy_result_decl_to_var): New fn.
8377 (declare_return_variable): Use it. Call declare_inline_vars here.
8378 (expand_call_inline): Not here.
8380 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8382 * doc/contrib.texi: Update my entry.
8384 2006-09-06 Nick Clifton <nickc@redhat.com>
8386 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8388 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8391 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8392 (canonicalize_induction_variables): Likewise.
8393 (tree_unroll_loops_completely): Likewise.
8394 (tree_ssa_prefetch_arrays): Likewise.
8395 (remove_empty_loops): Likewise.
8396 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8397 TODO_cleanup_cfg instead of directly calling
8398 cleanup_tree_cfg_loop.
8399 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8401 (tree_unroll_loops_completely): Likewise.
8402 (remove_empty_loops): Likewise.
8403 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8404 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8405 of tree_ssa_unswitch_loops.
8406 (tree_ssa_loop_ivcanon): Use the return value of
8407 canonicalize_induction_variables.
8408 (tree_ssa_empty_loop): Use the return value of
8410 (tree_complete_unroll): Use the return value of
8411 tree_unroll_loops_completely.
8412 (tree_ssa_loop_prefetch): Use the return value of
8413 tree_ssa_prefetch_arrays.
8414 * passes.c (execute_todo): Before Cleanup CFG, set
8415 updating_used_alone and after cleanup CFG, call
8416 recalculate_used_alone.
8418 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8421 * tree-vect-transform.c (vectorizable_condition): Move the check
8422 for the type after the check for simple condition.
8424 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8425 Kaz Kojima <kkojima@gcc.gnu.org>
8428 * mode-switching.c (optimize_mode_switching): Make the destination
8429 block of an abnormal edge have no anticipatable mode. Don't
8430 insert mode switching code at the end of the source block of
8433 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8435 PR rtl-optimization/26847
8436 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8437 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8438 (simplify_plus_minus): Count n_constants while filling ops. Replace
8439 qsort with insertion sort. Before going through the array to simplify
8440 pairs, sort it. Delay early exit until after the first sort, exiting
8441 only if no swaps occurred. Simplify pairs in reversed order, without
8442 special-casing the first iteration. Pack ops after simplifying pairs.
8444 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8446 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8447 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8448 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8449 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8451 2006-09-05 Richard Guenther <rguenther@suse.de>
8453 PR tree-optimization/28900
8454 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8455 compound conditional before creating COND_EXPR condition.
8457 2006-09-05 Richard Guenther <rguenther@suse.de>
8459 PR tree-optimization/28905
8460 * tree-vrp.c (fix_equivalence_set): Manually implement
8461 !value_ranges_intersect_p to also handle symbolic ranges.
8463 2006-09-05 Richard Guenther <rguenther@suse.de>
8466 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8469 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8471 PR rtl-optimization/27616
8472 * cse.c (table_size): New static variable.
8473 (new_basic_block): Initialize it to 0.
8474 (remove_from_table): Decrement it.
8475 (insert): Increment it.
8476 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8477 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8478 fold_rtx_mem_1 if under the cap.
8479 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8480 the lookup of the equivalent expression and test for equality of the
8481 first operand of the equivalent expression before in turn looking up
8482 an equivalent constant for the second operand.
8484 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8487 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8488 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8489 pointer, instead of assuming it is possible to derive the
8490 correct args size from a call insn.
8492 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8495 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8496 (fold_builtin_mempcpy): Rename to...
8497 (fold_builtin_memory_op): ... this. Optimize one element copy
8499 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8501 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8502 (expand_builtin_memcpy, expand_builtin_mempcpy,
8503 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8504 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8505 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8506 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8508 2006-09-01 DJ Delorie <dj@redhat.com>
8510 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8511 (stzx_16): Likewise.
8512 ("stzx_24_<mode>"): Likewise.
8513 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8514 ("cmp<mode>_op"): New.
8515 (cmp<mode>): Change to expander; just save operands.
8517 (b<code>): Change to expander, emit compare here.
8518 (s<code>_op): Change to use split and expander.
8519 (s<code>_24_op): Likewise.
8520 (s<code>_<mode>): New.
8521 (s<code>_<mode>_24): New.
8522 (movqicc_<code>_<mode): New.
8523 (movhicc_<code>_<mode>): New.
8526 * config/m32c/m32c.c (compare_op0, compare_op1): New.
8527 (m32c_pend_compare): New.
8528 (m32c_unpend_compare): New.
8529 (m32c_expand_scc): New.
8530 (m32c_expand_movcc): Emit the compare also.
8531 * config/m32c/predicates.md (mra_nopp_operand): New.
8533 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
8534 Richard Guenther <rguenther@suse.de>
8535 Adam Nemet <anemet@caviumnetworks.com>
8538 * builtins.c (get_pointer_alignment): Handle more forms
8539 of base addresses that can be used to derive more precise
8540 information about alignment.
8542 2006-09-01 Jason Merrill <jason@redhat.com>
8545 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
8548 * gimplify.c (voidify_wrapper_expr): Handle null type.
8550 2006-09-01 Josh Conner <jconner@apple.com>
8553 * tree-nrv.c (dest_safe_for_nrv_p): New function.
8554 (execute_return_slot_opt): Use it.
8556 2006-08-31 Josh Conner <jconner@apple.com>
8559 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
8560 returning aggregates.
8562 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
8564 PR tree-optimization/28839
8565 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
8566 blocks in that phi arguments appear.
8568 2006-08-31 Roger Sayle <roger@eyesopen.com>
8571 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
8572 NULL, otherwise use an advance_loc4 to adjust relative to the
8574 (output_cfi) <DW_CFA_set_loc>: Update the current label.
8575 (dwarf2out_switch_text_section): Reset the current label to avoid
8576 using advance_loc4 over section boundaries.
8578 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
8581 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
8582 r12 + SYMBOLIC_CONST.
8584 2006-08-30 Richard Guenther <rguenther@suse.de>
8586 * Makefile.in (see.o): Add $(EXPR_H) dependency.
8588 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
8590 PR rtl-optimization/27735
8591 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
8592 Add new argument to keep track of whether an irreducible region
8593 was affected. All callers changed.
8594 (fix_irreducible_loops): Removed.
8595 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
8596 flags were invalidated.
8598 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
8600 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
8601 instead of SF operands.
8602 (*fop_df_comm_sse): Likewise.
8603 (*fop_df_comm_i387): Likewise.
8604 (*fop_df_1_mixed): Likewise.
8605 (*fop_df_1_sse): Likewise.
8607 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
8608 J"orn Rennecke <joern.rennecke@st.com>
8610 PR tree-optimization/17506
8611 * tree-ssa.c (warn_uninit): If warning about a location outside of
8612 the current function, note where the variable was declared.
8614 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
8616 PR tree-optimization/28411
8617 * double-int.c (double_int_div): Use double_int_divmod.
8618 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
8619 double_int_mod, double_int_smod, double_int_umod): New functions.
8620 * double-int.h (double_int_divmod, double_int_sdivmod,
8621 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
8623 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
8625 (get_computation_aff, get_computation_cost_at): Handle double_int
8626 return type of constant_multiple_of.
8628 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
8631 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
8632 an implicit conversion.
8634 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
8636 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
8638 2006-08-27 Roger Sayle <roger@eyesopen.com>
8640 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
8643 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
8645 * config/i386/crtfastmath.c: Fix a comment typo.
8647 2006-08-26 Roger Sayle <roger@eyesopen.com>
8649 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
8650 temporary visit flags on CASE_LABEL_EXPRs.
8651 * c-common.c (match_case_to_enum): Add function comment. Avoid
8652 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
8653 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
8654 CASE_HIGH_SEEN for enumerated types. If the switch expression is
8655 a constant, only warn if that constant value isn't handled.
8657 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
8660 * input.h (restore_input_file_stack): Declare.
8661 (INPUT_FILE_STACK_BITS): Define.
8662 * toplev.c (fs_p, input_file_stack_history,
8663 input_file_stack_restored, restore_input_file_stack): New.
8664 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
8665 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
8666 (pop_srcloc): Don't free old state of stack.
8668 2006-08-26 David Edelsohn <edelsohn@gnu.org>
8671 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
8672 (PowerPC Type Attributes): New.
8674 2006-08-26 Bob Wilson <bob.wilson@acm.org>
8676 * config/xtensa/xtensa.c (function_arg_boundary): New.
8677 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
8679 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
8680 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
8682 2006-08-26 Jakub Jelinek <jakub@redhat.com>
8685 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
8688 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8690 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
8691 (verify_local_live_at_start): Likewise.
8693 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8696 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
8697 omp_add_variable): Treat sizes as variable whenever not
8700 2006-08-26 Richard Guenther <rguenther@suse.de>
8703 * fold-const.c (fold_binary): Fold temporary to correct
8704 type before constructing new comparison.
8706 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
8709 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
8710 variable again if DECL_SEEN_IN_BIND_EXPR_P.
8712 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8715 * c-decl.c (start_function): Don't try to process prototype
8716 information from old declaration that isn't a function.
8718 2006-08-25 Jan Hubicka <jh@suse.cz>
8721 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
8723 2006-08-25 Alan Modra <amodra@bigpond.net.au>
8726 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
8729 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
8731 PR tree-optimization/16876
8732 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
8733 exit if PARM doesn't match VALUE.
8735 2006-08-25 Bob Wilson <bob.wilson@acm.org>
8737 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
8738 literal_prefix directive.
8739 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
8740 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8741 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8743 2006-08-25 David Edelsohn <edelsohn@gnu.org>
8746 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
8747 predicate to general_operand. Add 0->y and I->r alternatives.
8749 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
8751 * doc/tm.texi: Fix a typo.
8752 * predict.c: Fix comment typos.
8754 2006-08-25 Nick Clifton <nickc@redhat.com>
8756 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
8757 assertions of "cpu" and "machine".
8759 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
8762 * tree-ssa-operands.c (access_can_touch_variable): Don't say
8763 the access through a base which has an alias set of 0 cannot
8766 2006-08-24 Bill Wendling <wendling@apple.com>
8768 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
8770 2006-08-24 Jan Hubicka <jh@suse.cz>
8772 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
8774 2006-08-24 Jan Hubicka <jh@suse.cz>
8777 * cgraph.c: Fix comments.
8778 (cgraph_varpool_mark_needed_node): Mark only variables not already
8780 * cgraphunit.c: Update comments; include gt-cgraphunit.h
8781 (cgraph_varpool_assembled_nodes_queue): New static variable.
8782 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
8783 (cgraph_varpool_output_debug_info): New function.
8784 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
8785 * Makefile.in: Add gt-cgraphunit.h
8787 2006-08-24 Jan Hubicka <jh@suse.cz>
8789 * predict.c (probability_reliable_p): New predicate.
8790 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
8791 (predict_loops): Do not predict loop exit with less than 2%
8793 * basic-block.h (edge_probability_reliable_p,
8794 br_prob_note_reliable_p): Declare.
8795 * ia64.h (ia64_print_operand): Do not disable on-chip branch
8796 prediction when static predictor is not reliable.
8797 * rs6000.c (output_cbranch): Likewise.
8799 2006-08-23 Stuart Hastings <stuart@apple.com>
8802 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
8803 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
8805 2006-08-21 Geoffrey Keating <geoffk@apple.com>
8808 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
8809 complex values, nor for generic vector values.
8811 2006-08-22 Richard Guenther <rguenther@suse.de>
8814 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
8815 parameter. Convert arguments to arithmetic expression to the
8817 (analyze_scalar_evolution_1): Adjust caller.
8819 2006-08-22 Jan Hubicka <jh@suse.cz>
8821 Patch by Paolo Bonzini
8822 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
8825 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
8827 PR tree-optimization/28003
8828 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
8829 before grouping aliases.
8831 2006-08-22 Roger Sayle <roger@eyesopen.com>
8833 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
8834 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
8836 2006-08-21 Jason Merrill <jason@redhat.com>
8839 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
8840 wrapper. Loop to handle nested wrappers.
8841 (gimplify_bind_expr): Remove temp parameter.
8842 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
8843 and STATEMENT_LIST on the rhs.
8844 (gimplify_statement_list): Voidify the STATEMENT_LIST.
8845 (gimplify_expr): Pass pre_p to gimplify_statement_list.
8846 (gimplify_target_expr): Remove special BIND_EXPR handling.
8848 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
8850 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
8853 2006-08-21 Olivier Hainque <hainque@adacore.com>
8855 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
8856 Arrange for the temporary captures of components overlapping the lhs
8857 to happen before the lhs is possibly cleared.
8859 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
8861 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
8862 necessary places to pass the correct "number of registers" values
8865 2006-08-20 Jan Hubicka <jh@suse.cz>
8867 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
8868 (create_name_tags): Instead of quadratic checking use hashtable.
8869 * bitmap.h: Include hashtab.h.
8870 (bitmap_hash): Declare.
8871 * bitmap.c (bitmap_hash): New function.
8873 2006-08-20 Jan Hubicka <jh@suse.cz>
8875 PR rtl-optimization/28071
8876 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
8878 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
8879 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
8880 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
8881 cgraph_decide_inlining_incrementally): Update use of
8882 cgraph_check_inline_limits.
8883 * cgraph.c (edge_hash, edge_eq): New function.
8884 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
8885 cgraph_edge_remove_caller, cgraph_node_remove_callees,
8886 cgraph_remove_node): Maintain call site hash.
8887 * cgraph.h (struct cgraph_node): Add call_site_hash.
8888 (cgraph_set_call_stmt): New function.
8890 2006-08-20 Jan Hubicka <jh@suse.cz>
8892 PR rtl-optimization/28071
8893 * reload1.c (reg_has_output_reload): Turn into regset.
8894 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
8895 choose_reload_regs, emit_reload_insns): Update to new
8896 reg_has_output_reload.
8898 2006-08-20 Jan Hubicka <jh@suse.cz>
8901 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
8902 function body sizes.
8903 * cgraphunit.c (cgraph_analyze_function): Don't do so.
8905 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
8908 * tree.c (handle_dll_attribute): Return early if not a
8909 var or function decl.
8911 2006-08-18 Joseph Myers <joseph@codesourcery.com>
8914 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
8915 alignment of SPE vector types.
8917 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
8919 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
8921 2006-08-17 Jakub Jelinek <jakub@redhat.com>
8924 * cgraph.h (struct cgraph_node): Remove externally_visible
8926 * cgraphunit.c (process_function_and_variable_attributes): Set
8927 local.externally_visible rather than externally_visible.
8930 * c-common.c (handle_externally_visible_attribute): First look
8931 at TREE_CODE and only if it is function or var decl, check for
8932 non-public objects. Don't warn for DECL_EXTERNAL.
8933 * cgraphunit.c (process_function_and_variable_attributes): Warn
8934 if externally_visible attribute is used on non-public object.
8936 2006-08-17 Jan Hubicka <jh@suse.cz>
8938 PR tree-optimization/27865
8939 * reload1.c (forget_marked_reloads): New function.
8940 (forget_old_reloads_1): When data are passed, just mark the registers
8942 (reload_as_needed): Use the new mechanizm.
8944 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
8947 * reload.h (reg_equiv_alt_mem_list): New declaration.
8948 * reload1.c (reg_equiv_alt_mem_list): New definition.
8949 (reload): Initialize it and release it.
8950 (delete_output_reload): Use it.
8951 * reload.c (push_reg_equiv_alt_mem): New function.
8952 (find_reloads_toplev): Call it.
8953 (find_reloads_address, find_reloads_address_1): Likewise.
8954 (find_reloads_subreg_address): Likewise.
8956 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8958 PR rtl-optimization/28489
8959 * sched-ebb.c (begin_schedule_ready): Create basic block
8961 (advance_target_bb): Skip empty blocks.
8962 * haifa-sched.c (bb_note): Make global.
8963 * sched-int.h (bb_note): Add prototype.
8965 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8967 PR tree-optimization/27865
8968 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
8970 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
8971 fold_used_pointer, pointer_used_p): New functions.
8972 (analyze_scalar_evolution_1): Use fold_used_pointer.
8973 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
8974 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
8977 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
8980 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
8981 or the INTEGER_CST. Fail on a CALL_EXPR.
8982 (fold_offsetof): Pass new argument to fold_offsetof_1.
8983 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
8984 operand into an INDIRECT_REF.
8985 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
8987 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8989 PR gcov/profile/26570
8990 * value-prof.c (static_values): Removed.
8991 (tree_find_values_to_profile): Do not set static_values.
8992 (find_values_to_profile): Do not free static_values.
8993 * profile.c (instrument_values): Do not free the values.
8994 (branch_prob): Free the values.
8996 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
8998 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
9000 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
9003 * c-typeck.c (build_component_ref): Combine qualifiers of
9004 structure or union and field.
9006 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9008 PR rtl-optimization/28071
9009 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
9010 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
9011 * tree-into-ssa.c (struct dom_dfsnum): New.
9012 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9014 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
9015 compute_global_livein.
9016 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
9017 in phi nodes in the correct blocks.
9019 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9021 PR tree-optimization/28364
9022 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9024 (fold_affine_expr): New function.
9025 (may_eliminate_iv): Use fold_affine_expr.
9027 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9030 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9033 2006-08-16 Mike Stump <mrs@apple.com>
9035 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9036 * doc/cppopts.texi (-MD): Likewise.
9038 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
9041 * c-common.c (handle_weak_attribute): Ignore and warn if
9042 not a FUNCTION_ or VAR_DECL.
9044 2006-07-15 Mike Stump <mrs@apple.com>
9047 * c-parser.c (c_parser_typeof_specifier): Don't use
9048 c_finish_expr_stmt, open code desired semantics instead.
9050 2006-08-15 Nick Clifton <nickc@redhat.com>
9052 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9053 fragment to tmake_file only if threads are enabled.
9054 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9055 * config/i386/t-gthr-win32: New file. ... here.
9057 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9060 * c-parser.c (c_parser_compound_statement_nostart): Reset
9061 parser->error after each statement.
9063 2006-08-15 Jakub Jelinek <jakub@redhat.com>
9066 * omp-low.c (lower_omp_parallel): Convert t to
9067 receiver_decl's type.
9068 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9069 source before comparison.
9072 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9073 to itype in assignment to oldival2.
9075 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
9079 * c-typeck.c (build_compound_expr): If the second expression
9080 is an error mark, then just return an error mark instead of
9081 creating a COMPOUND_EXPR.
9083 2006-07-14 Mike Stump <mrs@apple.com>
9085 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9087 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
9089 * c-decl.c, var-tracking.c: Fix comment typos.
9091 2006-08-14 Richard Sandiford <richard@codesourcery.com>
9093 PR rtl-optimization/28634
9094 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9095 for floating-point modes unless flag_unsafe_math_optimizations.
9097 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
9098 Andrew Pinski <pinskia@physics.uc.edu>
9101 * tree.c (build_array_type): Unify array types with
9102 unspecified index_type.
9103 * c-decl.c (grokdeclarator): Make sure we do not modify a
9104 unified incomplete array type.
9105 * c-typeck.c (store_init_value): Create distinct type before
9106 filling in the index type in an initializer from a compound
9109 * c-decl.c (grokdeclarator): Remove code where we copy the
9112 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
9114 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9115 into account for TODO_dump_cgraph.
9116 (TODO_update_ssa_no_phi): Likewise.
9117 (TODO_update_ssa_full_phi): Likewise.
9118 (TODO_update_ssa_only_virtuals): Likewise.
9119 (TODO_remove_unused_locals): Likewise.
9120 (TODO_set_props): Likewise.
9121 (TODO_update_stmt_usage): Likewise.
9123 2006-08-13 Dirk Mueller <dmueller@suse.de>
9125 * c-common.c (strict_aliasing_warning): Fix formatting.
9127 2006-08-13 Matthias Klose <doko@debian.org>
9129 * doc/invoke.texi: Fix spelling errors.
9131 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9133 PR rtl-optimization/23454
9134 * reorg.c (relax_delay_slots): Update comment.
9136 2006-08-11 Richard Guenther <rguenther@suse.de>
9139 * simplify-rtx.c (simplify_const_relational_operation):
9140 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9143 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
9145 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9146 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9148 2006-08-10 Paul Brook <paul@codesourcery.com>
9150 * final.c (final_scan_insn): Clear current_insn_predicate before
9151 outputting inline asm.
9153 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
9155 PR tree-optimization/26197
9156 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
9157 get_ref_base_and_extent and overlap_subvar to add only relevant
9158 subvars as may-aliases.
9159 (add_may_alias_for_new_tag): New function, factored out of
9161 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
9162 with additional argument.
9163 * tree-flow.h (new_type_alias): Takes additional argument.
9165 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
9167 * gcov.c (no_data_file): New flag.
9168 (read_count_file): Set it if data file not present. Assume counts
9170 (output_lines): Don't name the data file, if there wasn't one.
9172 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
9174 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
9175 (rs6000_generate_compare): Tweak comments.
9176 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
9178 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
9180 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
9181 (var_debug_decl): New function.
9182 (var_reg_set): Follow debug decl link. Add location even if
9183 reg is already known to hold some other variable.
9184 (var_mem_set): Follow debug decl link.
9185 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
9186 decl link. Delete other known locations of the variable part
9188 (var_reg_delete, var_mem_delete): Delete other known locations
9189 of the variable part if requested.
9190 (same_variable_part_p): New function.
9191 (add_stores): Select MO_COPY when appropriate.
9192 (vt_initialize): Handle it.
9193 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
9194 known locations for MO_SET and MO_CLOBBER.
9195 (find_variable_location_part): New function.
9196 (set_variable_part, delete_variable_part): Use it.
9197 (clobber_variable_part): New function.
9198 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
9201 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
9203 PR tree-optimization/26969
9204 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
9205 with an empty list of PHIs.
9207 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
9211 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9214 2006-08-06 Andreas Schwab <schwab@suse.de>
9216 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
9217 string. Whitespace and comment fixup.
9219 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9222 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
9226 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
9229 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9231 2006-08-04 Jan Hubicka <jh@suse.cz>
9235 * reload.c (push_reload): Patch out the mismatching instruction;
9237 (find_reload): Bail out if the instruction was patched out.
9239 2006-08-04 Jan Hubicka <jh@suse.cz>
9241 PR tree-optimization/24888
9242 * tree-inline.c (expand_call_inline): Do not re-record variables.
9243 (declare_inline_vars): Add variable to unexpanded_var_list.
9245 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9246 Roger Sayle <roger@eyesopen.com>
9248 PR rtl-optimization/26244
9249 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
9250 inner_const are negative or greater than or equal to the bitsize of
9251 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
9252 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
9253 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
9254 CONST0_RTX (mode) when the new shift count is greater than or equal to
9255 to the bitsize of the object being shifted and XEXP (y, 0) has no side
9258 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
9260 * tree-cfg.c: Fix a comment typo.
9262 2006-08-03 Mark Mitchell <mark@codesourcery.com>
9265 * varasm.c (output_constant): Give the front end another chance to
9266 expand constants, after stripping NOPs.
9268 2006-08-03 Jan Hubicka <jh@suse.cz>
9270 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
9273 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
9275 PR tree-optimization/27770
9276 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
9277 declaration removed (moved to tree-flow.h).
9278 (vect_can_force_dr_alignment_p): Likewise.
9279 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
9280 (moved from tree-vectorizer.h).
9281 (vect_can_force_dr_alignment_p): Likewise.
9282 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
9283 from outside the vectorizer - in particular from cgraph stage.
9284 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
9285 the alignment of global arrays when -fsection-anchors is enabled.
9286 * cgraphunit.c (cgraph_increase_alignment): New function.
9287 (cgraph_optimize): Call cgraph_increase_alignment.
9289 2006-08-03 David Edelsohn <edelsohn@gnu.org>
9292 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
9293 not reload a SPE symbol_ref into a lo_sum address.
9295 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
9298 * dwarf2out.c (prune_unused_types_prune): Move call to
9299 prune_unused_types_update_strings to cover the parent DIE also.
9301 2006-08-02 Jan Hubicka <jh@suse.cz>
9303 PR gcov/profile/28480
9304 * tree-cfg.c (change_bb_for_stmt): New function.
9305 (tree_merge_blocks, tree_split_blocks): Use it.
9307 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9313 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9314 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9315 (cgraph_optimize): Likewise.
9317 2006-08-01 Stuart Hastings <stuart@apple.com>
9319 * rtl.h (UINTVAL) New.
9320 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9321 * testsuite/gcc.dg/20060801-1.c: New.
9323 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9326 * c-typeck.c (build_external_type): Mark used enum types.
9327 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9329 (gen_subprogram_die): Whitespace fix.
9331 2006-08-01 Jan Hubicka <jh@suse.cz>
9333 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9334 bitmap when not needed.
9335 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9338 2006-08-01 Dirk Mueller <dmueller@suse.de>
9340 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9342 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9344 * Makefile.in: Revert part of previous patch:
9345 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9348 2006-07-30 Eric Christopher <echristo@apple.com>
9351 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9352 (PowerPC Variable Attributes): New section.
9354 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9356 PR target/28126 (partial fix)
9357 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9359 2006-07-28 Jan Hubicka <jh@suse.cz>
9361 PR rtl-optimization/28071
9362 * cfgrtl.c (rtl_delete_block): Free regsets.
9363 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9365 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9367 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9368 and variables used in dependencies.
9370 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9372 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9373 %fs for -mcmodel=kernel.
9374 (stack_tls_protect_test_di): Likewise.
9376 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9378 * Makefile.in: Use mkinstalldirs.
9380 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9383 * opts-common.c (prune_options): Skip joined switches.
9385 2006-07-27 Jan Hubicka <jh@suse.cz>
9387 PR rtl-optimization/28071
9388 * cselib.c (cselib_process_insn): Don't remove useless values too
9389 often for very large hashtables.
9391 2006-07-27 Jan Hubicka <jh@suse.cz>
9393 PR rtl-optimization/28071
9394 * global.c (greg_obstack): New obstack.
9395 (allocate_bb_info): Use it.
9396 (free_bb_info): Likewise.
9397 (modify_reg_pav): Likewise.
9399 2006-07-27 Roger Sayle <roger@eyesopen.com>
9401 * builtins.c (fold_fixed_mathfn): When long and long long are the
9402 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9403 functions to their lceil*, lfloor*, lround* and lrint* forms.
9405 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9408 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9410 (rev_branch_insn): Likewise.
9412 2006-07-27 Jan Hubicka <jh@suse.cz>
9414 PR rtl-optimization/28071
9415 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9416 (reg_set_in_bb, max_reg_computed): New static variables.
9417 (regmove_optimize): Free the new array.
9418 (fixup_match_1): Update call of reg_is_remote_constant_p.
9420 2006-07-26 Jan Hubicka <jh@suse.cz>
9422 PR tree-optimization/27882
9423 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9425 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9427 (cgraph_analyze_compilation_unit): Likewise.
9428 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9429 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9430 (cgraph_early_inlinine): Make order garbage collected.
9431 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9433 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9435 * dbxout.c (output_types_sort): Add a comment.
9436 (output_used_types): Free the VEC.
9438 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9440 * function.c (reorder_fix_fragments): Delete.
9441 (reorder_blocks): Don't call it.
9442 (reorder_blocks_1): Put all subblocks under the origin block.
9444 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9446 PR rtl-optimization/27907
9447 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9450 2006-07-25 Roger Sayle <roger@eyesopen.com>
9453 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9454 bar(x) check that bar's result type can represent all the values of T.
9456 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9458 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9460 2006-07-25 Nick Clifton <nickc@redhat.com>
9462 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9463 size_lookup[] array.
9464 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9465 (ggc_pch_count_object): Likewise.
9466 (ggc_pch_alloc_object): Likewise.
9467 (ggc_pch_write_object): Likewise.
9468 (init_ggc): Do not attempt to initialize entries in the
9469 size_lookup[] array for objects whose size is greater than than
9470 the length of the array.
9472 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9474 * dbxout.c (output_used_types_helper): Push queued types
9476 (output_types_sort): New.
9477 (output_used_types): Collect used types on a VEC and sort them
9480 2006-07-24 Richard Guenther <rguenther@suse.de>
9483 * cgraph.c (cgraph_remove_node): Do not check if dumps
9485 * cgraphunit.c (cgraph_optimize): Likewise.
9487 2006-07-24 Jan Hubicka <jh@suse.cz>
9489 PR rtl-optimization/28071
9490 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9491 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9492 splitting before first stmt.
9494 2006-07-24 Jan Hubicka <jh@suse.cz>
9496 PR rtl-optimization/28071
9497 * ipa-inline.c (update_caller_keys): Remove edges that
9498 are no longer inline candidates.
9500 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9503 * dbxout.c (output_used_types_helper, output_used_types): New.
9504 (dbxout_symbol): Call output_used_types.
9506 2006-07-23 Jan Hubicka <jh@suse.cz>
9510 * cgraph.c (cgraph_varpool_nodes): Export.
9511 (decide_is_variable_needed): Ignored "used" attribute in
9512 unit-at-a-time mode.
9513 * cgraph.h (cgraph_varpool_nodes): Declare.
9514 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
9515 unit-at-a-time mode.
9517 2006-07-23 Roger Sayle <roger@eyesopen.com>
9520 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
9521 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
9522 the __gthrw form of thr_keycreate.
9523 (__gthread_key_delete): Silence the unused argument warning.
9525 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
9528 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
9529 Cache the last found '\0' marker to avoid quadratic behavior.
9531 2006-07-23 Jan Hubicka <jh@suse.cz>
9533 * i386.md (subsi_3_zext): Fix output template.
9535 2006-07-21 Mike Stump <mrs@apple.com>
9537 * doc/invoke.texi (C++ Dialect Options): Note that
9538 -fvisibility-inlines-hidden doesn't affect explicitly
9539 instantiationed inline methods.
9541 2006-07-20 Roger Sayle <roger@eyesopen.com>
9543 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
9544 if the target assembler is GNU binutils' gas.
9545 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
9546 whether to pass GNU gas or native as command line options.
9548 2006-07-20 Jason Merrill <jason@redhat.com>
9550 * tree.c (remove_attribute): New fn.
9551 * tree.h: Declare it.
9553 2006-07-20 Paul Brook <paul@codesourcery.com>
9556 * cse.c (cse_insn): Add destination addresses to hash table. Check if
9557 they are invalidated by this instruction.
9559 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
9562 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
9564 2006-07-20 Eric Christopher <echristo@apple.com>
9567 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
9569 2006-07-19 Eric Christopher <echristo@apple.com>
9571 * config/t-slibgcc-darwin (stmp-lipo): Remove.
9572 Rewrite dependencies for libgcc_s.1.dylib.
9574 2006-07-19 Jakub Jelinek <jakub@redhat.com>
9576 * except.c (duplicate_eh_regions_1): Clear next_peer.
9578 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
9580 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
9581 -mlongcall does not guarantee all calls will be long.
9582 * doc/extend.texi (long_call/short_call): Document that longcall
9583 does not guarantee a long call will be used.
9584 (longcall/shortcall): Likewise.
9586 2006-07-18 Roger Sayle <roger@eyesopen.com>
9589 * expmed.c (expand_shift): Additionally check that the shift_cost
9590 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
9591 before implementing a LSHIFT_EXPR as a sequence of additions.
9592 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
9593 middle-end that DImode shifts need to be synthesized by expand.
9595 2006-07-18 Diego Novillo <dnovillo@redhat.com>
9598 * tree-ssa-operands.c (access_can_touch_variable): Update
9600 Return true if ALIAS is .GLOBAL_VAR.
9602 2006-07-18 David Daney <ddaney@avtrex.com>
9604 * gcc.c (display_help): Fix typo in help text.
9606 2006-07-18 Olivier Hainque <hainque@adacore.com>
9608 * tree.h (categorize_ctor_elements): Adjust prototype and add
9609 descriptive comment, both in accordance with the interface change
9611 * varasm.c (constructor_static_from_elts_p): New function.
9612 Whether a constructor node is a valid static constant initializer
9613 if all its elements are.
9614 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
9615 * output.h: Declare it.
9616 * expr.c (categorize_ctor_elements_1): Return whether the constructor
9617 is a valid constant initializer instead of computing the number of
9618 non-constant elements. Use constructor_static_from_elts_p for this
9619 purpose. Replace the head comment with an indication that this is a
9620 helper for categorize_ctor_elements.
9621 (categorize_ctor_elements): Same interface change as for the _1
9622 helper. Former head comment from this helper moved here, adjusted to
9623 account for the interface changes.
9624 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
9625 (all_zeros_p): Likewise.
9626 * gimplify.c (gimplify_init_constructor): Decide whether we can make
9627 static versions of the constructor from the categorize_ctor_elements
9628 return value instead of the formerly computed number of non-constant
9631 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
9633 * configure: Regenerate.
9634 * Makefile.in (build_libsubdir): New configure substitution
9635 (build_libobjdir): New variable.
9636 (BUILD_LIBIBERTY): Use it.
9638 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9641 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
9643 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
9646 * c-common.c (handle_weakref_attribute): Ignore attribute in
9647 the same conditions the alias attribute is ignored.
9649 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
9651 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
9652 (dbxout_begin_prologue): Increment scope_labelno.
9654 2006-07-17 Richard Henderson <rth@redhat.com>
9657 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
9660 2006-07-17 Roger Sayle <roger@eyesopen.com>
9661 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9663 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
9664 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
9665 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
9666 functions such as sbrk, write, etc.. Add function prototypes.
9667 Convert function declarations from K&R to ISO C. Cast pointers
9668 to "long" and "unsigned long" instead of "int" and "unsigned int".
9669 Convert tokens following #endif into comments.
9671 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
9673 * invoke.texi: Remove mention of f77; Reformat table for
9674 inline parameter options correctly; mention that -malign-double
9675 is default on x86-64 targets.
9677 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
9679 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
9680 (convert_affine_scev, chrec_convert_aggressive): Use
9681 avoid_arithmetics_in_type_p. Do not check for the subtypes
9684 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9687 * optabs.c (expand_doubleword_shift): Wrap the call to
9688 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
9690 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9693 * optabs.c (expand_binop): Pass next_methods rather than methods
9694 to expand_doubleword_shift.
9696 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
9699 * tree.h (dump_addr): Declare.
9700 * print-tree.c (dump_addr): New function.
9701 (print_node_brief, print_node): Use it.
9702 * print-rtl.c (print_rtx): Likewise.
9703 * common.opt (-fdump-noaddr): New option.
9704 * doc/invoke.texi (-fdump-noaddr): Document.
9705 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
9706 (ve_info_hash): Likewise.
9708 2006-07-13 Andrew Haley <aph@redhat.com>
9710 PR tree-optimization/19505
9711 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
9712 edge leaving this block, make sure that the destination of this
9713 block has only one predecessor.
9715 2006-07-17 Richard Guenther <rguenther@suse.de>
9717 PR tree-optimization/28238
9718 * tree-inline.c (copy_bb): Check if we produced valid
9719 gimple copying and substituting a stmt. If not, gimplify
9722 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
9724 * optabs.c (maybe_encapsulate_block): New function extracted from...
9725 (emit_libcall_block): ...here. Invoke it on the block of insns to
9726 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
9727 (emit_no_conflict_block): Likewise.
9729 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9731 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
9733 2006-07-15 Roger Sayle <roger@eyesopen.com>
9735 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
9736 a new NOP_EXPR case of the switch statement.
9738 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
9741 * stor-layout.c (place_field): Take the bit field with
9742 an excessive size into account in the ms-bitfiled case.
9745 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
9746 the previous bit field.
9748 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
9751 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
9753 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
9755 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
9756 signal frames correctly even when the signal was installed with
9759 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
9761 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
9762 (dbxout_function_end): Use local label LFBB. Remove hook
9764 (dbxout_source_line): Use local label LFBB.
9765 (dbxout_block): Likewise.
9766 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
9767 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
9768 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
9769 and DBX_OUTPUT_NFUN.
9771 2006-07-13 Janis Johnson <janis187@us.ibm.com>
9773 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
9775 2006-07-13 Jan Hubicka <jh@suse.cz>
9777 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
9779 * output.h (align_variable): Declare.
9780 * varasm.c (align_variable): Export.
9781 * value-prof.c (tree_value_profile_transformations): Recompute iterator
9782 when basic block changed.
9784 2006-07-13 Nick Clifton <nickc@redhat.com>
9786 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
9787 walking the LOG_LINKS chain.
9789 2006-07-12 Geoffrey Keating <geoffk@apple.com>
9791 * doc/invoke.texi (C++ Dialect Options): Explain difference
9792 between -fvisibility-inlines-hidden and setting hidden
9793 visibility explicitly.
9795 2006-07-12 Eric Christopher <echristo@apple.com>
9797 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
9798 (stmp-lipo): Depend on libgcc.a.
9800 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
9802 * tree.c: Fix a comment typo.
9804 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
9806 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
9808 (umulhisi3_r): Likewise.
9810 2006-07-12 Paolo Carlini <pcarlini@suse.de>
9813 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
9814 x < 19, vs wchar_t support.
9816 2006-07-12 Nick Clifton <nickc@redhat.com>
9818 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
9819 instead of -isa=sh4.
9821 2006-07-12 Mike Stump <mrs@apple.com>
9823 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
9825 2006-07-10 Eric Christopher <echristo@apple.com>
9827 * config/t-slibgcc-darwin: Rewrite.
9829 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
9832 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
9835 2006-07-08 Matthias Klose <doko@debian.org>
9837 * doc/sourcebuild.texi: Fix typo.
9839 2006-07-07 Mike Stump <mrs@apple.com>
9841 * toplev.c (process_options): Don't give -ffunction-sections may
9842 affect debugging warning for Mach-O.
9844 2006-07-07 James E Wilson <wilson@specifix.com>
9846 * config/mips/mips.md (cpu): Add sb1a.
9847 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
9848 addition to sb1. Adjust comments to clarify SB-1A differences from
9850 (ir_sb1a_load): New. Modify bypasses to use it.
9851 (ir_sb1a_simple_alu): Likewise.
9852 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
9853 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
9854 (mips_issue_rate): Add PROCESSOR_SB1A.
9855 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
9856 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
9857 (TARGET_SB1): Add PROCESSOR_SB1A check.
9858 (TUNE_SB1): Likewise.
9860 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
9861 * config/mips/mips.c (mips_store_data_bypass_p): New.
9862 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
9863 store_data_bypass_p.
9865 2006-07-08 Paul Brook <paul@codesourcery.com>
9868 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
9870 2006-07-07 Richard Guenther <rguenther@suse.de>
9873 * tree.h (build_one_cst): Declare.
9874 * tree.c (build_one_cst): New function.
9875 * tree-ssa-math-opts.c (get_constant_one): Remove.
9876 (insert_reciprocals): Use build_one_cst.
9877 * fold-const.c (fold_plusminus_mult): Likewise.
9879 2006-07-07 Roger Sayle <roger@eyesopen.com>
9881 * pointer-set.c (pointer_set_destroy): Correct whitespace.
9882 * cfgloopanal.c (dump_graph): Likewise.
9883 * dojump.c (discard_pending_stack_adjust): Likewise.
9884 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
9886 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
9887 * function.c (finalize_block_changes): Likewise.
9888 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
9889 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
9890 * rtl.c (dump_rtx_statistics): Likewise.
9891 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
9893 * varray.c (dump_varray_statistics): Likewise.
9894 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
9895 decode_decimal64, encode_decimal128, decode_decimal128,
9896 decimal_real_to_decimal): Likewise.
9898 2006-07-07 Richard Guenther <rguenther@suse.de>
9900 PR tree-optimization/28187
9901 * tree-vrp.c (vrp_operand_equal_p): New function.
9902 (vrp_bitmap_equal_p): Likewise.
9903 (update_value_range): Use them to compare old and new
9906 2006-07-06 Roger Sayle <roger@eyesopen.com>
9908 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
9909 a default case to switch statement to silence compiler warnings.
9911 2006-07-06 Roger Sayle <roger@eyesopen.com>
9914 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
9915 the configured assembler supports the x87's ffreep mnemonic.
9916 * configure: Regenerate.
9917 * config.in: Regenerate.
9919 * config/i386/i386.c (output_387_ffreep): New function.
9920 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
9921 (output_387_reg_move): Likewise.
9923 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
9925 Port to hosts whose 'sort' and 'tail' implementations
9926 treat operands with leading '+' as file names, as POSIX
9927 has required since 2001. However, make sure the code still
9928 works on pre-POSIX hosts.
9929 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
9930 which says you should use "tail -c +N" rather than "tail +Nc".
9931 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
9933 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9935 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
9938 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9941 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
9942 PRE_{INC,DEC} of TFmode.
9944 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9945 Alan Modra <amodra@bigpond.net.au>
9948 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
9951 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9954 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
9955 Remove duplicate gtu.
9957 2006-07-05 Jason Merrill <jason@redhat.com>
9961 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
9962 * c-common.c (handle_packed_attribute): So don't copy it here.
9963 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
9965 2006-07-05 Mike Stump <mrs@apple.com>
9967 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
9969 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
9972 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
9974 2006-07-05 Richard Guenther <rguenther@suse.de>
9977 * config/i386/i386.md (*negdf2_1): Restrict pattern to
9978 TARGET_SSE2 targets if using SSE math.
9979 (*absdf2_1): Likewise.
9981 2006-07-05 Richard Guenther <rguenther@suse.de>
9983 PR tree-optimization/28162
9984 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
9985 make sure to convert the operands to the correct type.
9987 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
9989 PR tree-optimization/28218
9991 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
9992 to calculate and free the dominator information.
9994 2006-07-04 Peter O'Gorman <peter@pogma.com>
9996 * mklibgcc.in: chmod 644 before ranlib during install.
9998 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
9999 J"orn Rennecke <joern.rennecke@st.com>
10001 * configure.ac (.eh_frame data check): Use diff -b.
10003 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
10006 * Makefile.in (BUILD_RTL): Add build/vec.o.
10007 (build/gencondmd.o): Filter out -fkeep-inline-functions.
10008 (build/genextract): Delete.
10009 (build/genautomata): Likewise.
10011 2006-07-04 Alan Modra <amodra@bigpond.net.au>
10014 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
10015 128-bit IBM long doubles for ABI_V4.
10017 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
10019 * tree.c (range_in_array_bounds_p): New predicate.
10020 * tree.h (range_in_array_bounds_p): Declare it.
10021 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
10022 return a less conservative answer.
10023 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10024 and flag 'is_group'.
10025 (IS_ELEMENT_FOR_GROUP): New macro.
10026 (FOR_EACH_ACTUAL_CHILD): Likewise.
10027 (next_child_for_group): New helper function.
10028 (can_completely_scalarize_p): Take into account groups.
10029 (sra_hash_tree): Handle RANGE_EXPR.
10030 (sra_elt_eq): Likewise.
10031 (lookup_element): Be prepared for handling groups.
10032 (is_valid_const_index): Delete.
10033 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
10034 instead of is_valid_const_index.
10035 <ARRAY_RANGE_REF>: New case.
10036 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
10037 is_valid_const_index.
10038 <ARRAY_RANGE_REF>: Do not unconditionally punt.
10039 (scan_dump): Dump info for groups too.
10040 (decide_instantiation_1): Likewise.
10041 (decide_block_copy): Assert that the element is not a group.
10042 Propagate decision to groups.
10043 (generate_one_element_ref): Handle RANGE_EXPR.
10044 (mark_no_warning): Iterate over actual childs.
10045 (generate_copy_inout): Likewise.
10046 (generate_element_copy): Likewise.
10047 (generate_element_zero): Likewise.
10048 (generate_element_init_1): Likewise.
10049 (dump_sra_elt_name): Handle RANGE_EXPR.
10051 2006-07-03 Roger Sayle <roger@eyesopen.com>
10053 PR tree-optimization/26251
10054 * tree-ssa-threadupdate.c (redirection_block_p): New function.
10055 (thread_block): When optimizing for size refuse to thread jumps
10056 that would require duplication of blocks other than redirection
10059 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10061 * configure.ac: Fix thinko in previous check-in.
10062 * configure: Regenerate.
10064 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10067 * configure.ac (for lang...): Simplify nesting of conditionals.
10068 Test subdir_requires for non-enabled languages. Move processing
10069 of lang_opt_files and lang_tree_fiels below that test.
10070 * configure: Regenerate.
10071 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10073 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
10075 * doc/gcov.texi (Invoking Gcov): Add a missing word.
10077 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
10079 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10082 2006-06-29 Jason Merrill <jason@redhat.com>
10089 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10090 * c-common.c (c_determine_visibility): Handle it here.
10091 * c-decl.c (finish_decl): Call c_determine_visibility for
10093 * flags.h (enum symbol_visibility): Sort from most to least visibility.
10094 * tree.h: Likewise.
10095 * varasm.c (default_assemble_visibility): Likewise.
10096 * c-common.c (handle_visibility_attribute): Complain about trying
10097 to give visibility to an already defined class, or trying to change
10098 declared visibility. Always attach the attribute.
10103 * attribs.c (decl_attributes): Ignore type-in-place attributes
10104 once the type has been defined.
10106 2006-06-29 Roger Sayle <roger@eyesopen.com>
10108 PR middle-end/27428
10109 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10110 to indicate the cpplib has issued an error message for us.
10112 2006-06-29 Asher Langton <langton2@llnl.gov>
10115 * config/i386/i386.c (ix86_output_function_epilogue): Don't
10116 insert a label at the end of an function under Mach-O.
10118 2006-06-29 Eric Christopher <echristo@apple.com>
10119 Evan Cheng <evan.cheng@apple.com>
10121 * predicates.md (vector_all_ones_operand): New.
10122 (nonimmediate_or_sse_const_operand): Ditto.
10123 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10124 * config/i386/i386.c (standard_sse_constant_opcode): Define.
10125 (standard_sse_mode_p): Ditto.
10126 (standard_sse_constant_p): Add case for -1 vector.
10127 (ix86_expand_vector_move): Try to use.
10128 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10129 Call standard_sse_constant_opcode.
10130 (*movv4sf_internal): Ditto.
10131 (*movv2df_internal): Ditto.
10133 2006-06-29 Roger Sayle <roger@eyesopen.com>
10135 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10136 of XEXP to extract the operands of a MATCH_CODE rtx.
10138 2006-06-28 Andrew Pinski <pinskia@gmail.com>
10140 * tree.c (tree_size): Do not waste tail padding in
10141 struct tree_string and make the size be the same as
10142 build_string will generate.
10144 2006-06-28 Jason Merrill <jason@redhat.com>
10147 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10148 may_aliases already in the tag's annotations to the bitmap.
10150 2006-06-28 Roger Sayle <roger@eyesopen.com>
10152 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
10154 2006-06-28 Roger Sayle <roger@eyesopen.com>
10156 * genpreds.c (generate_switch_p): New function.
10157 (add_mode_tests): Push the new mode test down inside an AND expr
10158 if this allows the switch-suitable MATCH_CODE to be near the root.
10159 (write_match_code_switch): New function to write a MATCH_CODE as
10160 a switch statement.
10161 (write_predicate_stmts): New function to write a predicate RTX
10162 expression as a sequence of statements.
10163 (write_one_predicate_function): Use write_predicate_stmts.
10164 (write_tm_constrs_h): Likewise.
10166 2006-06-26 Fred Fish <fnf@specifix.com>
10168 * config/mips/t-sb1: New file.
10169 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
10172 2006-06-26 DJ Delorie <dj@redhat.com>
10174 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
10176 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
10177 Jayant Sonar <jayants@kpitcummins.com>
10178 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
10180 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10181 (subsi3, subsi3_1, subsi3_2): New.
10182 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
10183 * config/m32c/mov.md (SI mov peephole): New.
10184 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
10185 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
10187 2006-06-26 Olivier Hainque <hainque@adacore.com>
10189 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
10190 a CALL_EXPR target function declaration.
10192 2006-06-26 Richard Guenther <rguenther@suse.de>
10194 * tree.c (build_string): Do not waste tail padding in
10195 struct tree_string.
10197 2006-06-26 Richard Guenther <rguenther@suse.de>
10199 * ggc-page.c (init_ggc): Add missing element to size_lookup
10203 2006-06-23 Richard Guenther <rguenther@suse.de>
10205 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10206 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10207 alignment requests instead. Add verification code.
10208 Add struct tree_function_decl and struct tree_binfo size to
10209 extra_order_size_table. Add missing element to size_lookup
10212 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
10214 PR middle-end/28151
10215 * fold-const.c (const_binop): Be prepared for self returning zero.
10216 Simplify code handling complex values.
10218 2006-06-24 Olivier Hainque <hainque@adacore.com>
10220 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
10221 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
10224 2006-06-24 Olivier Hainque <hainque@adacore.com>
10226 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
10227 ARRAY_REF, so have the callback called for the low bound expression.
10229 2006-06-23 Janis Johnson <janis187@us.ibm.com>
10231 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
10232 * c-typeck.c (c_common_type): Disallow operations on decimal float
10233 types and other float types.
10234 * convert.c (convert_to_real): Don't ignore conversions involving
10235 decimal float types.
10237 2006-06-23 Olivier Hainque <hainque@adacore.com>
10239 * tree.c (max_int_size_in_bytes): New function, inspired from
10240 code in function.c:assign_temp.
10241 * tree.h (max_int_size_in_bytes): Declare.
10242 * function.c (assign_temp): Use it.
10243 * gimplify.c (create_tmp_var): Relax the assertions on the type
10244 properties, not mandating constant size any more.
10245 (force_constant_size): New static function.
10246 (gimple_add_tmp_var): Use it, forcing variable size to a
10247 constant upper bound if it is not constant on entry.
10249 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
10252 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
10253 for initialization and setting of one_only flag to ...
10254 (i386_pe_encode_section_info): ...here.
10255 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
10256 Recheck that the symbol has not been defined.
10258 2006-06-23 Richard Guenther <rguenther@suse.de>
10260 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10261 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10262 alignment requests instead. Add verification code.
10263 Add struct tree_function_decl and struct tree_binfo size to
10264 extra_order_size_table. Add missing element to size_lookup
10267 2006-06-22 Roger Sayle <roger@eyesopen.com>
10268 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10270 PR middle-end/28131
10271 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
10272 call to lang_hooks.types.type_for_mode returned NULL_TREE.
10274 2006-06-23 Ben Elliston <bje@au.ibm.com>
10276 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
10277 negate dn -- manipulate it directly.
10279 2006-06-22 Roger Sayle <roger@eyesopen.com>
10280 Steven Bosscher <stevenb.gcc@gmail.com>
10283 * reload1.c (gen_reload): Call mark_jump_label on the new insns
10284 generated by gen_move_insn to add REG_LABEL notes if necessary.
10286 2006-06-22 Bob Wilson <bob.wilson@acm.org>
10288 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
10289 (leaf_entry): Remove use of MIN_ESA.
10291 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
10293 PR rtl-optimization/28121
10294 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
10297 2006-06-21 DJ Delorie <dj@redhat.com>
10299 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10301 (mulhisi3_r): Likewise.
10303 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10305 PR middle-end/28034
10306 * coverage.c (coverage_counter_alloc): Leave the index type
10308 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10311 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10313 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10314 section from the "Options for Code Generation Conventions".
10316 2006-06-21 Richard Henderson <rth@redhat.com>
10320 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10322 (global_symbolic_operand): Allow weak symbols, even if local_p.
10324 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10326 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10327 (find_interesting_uses_address): Punt if above function returns true.
10329 2006-06-21 Richard Guenther <rguenther@suse.de>
10331 * configure: Regenerated.
10333 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10335 * config/mips/mips.c (function_arg): Where one part of a
10336 complex argument is in registers and the other part in the stack,
10337 return a REG not a PARALLEL.
10339 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10341 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10342 when cross-compiling. Do not substitute libstdcxx_incdir.
10343 * configure: Regenerated.
10345 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10347 * varasm.c (mergeable_string_section): Check for embedded NULs and
10348 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10349 rather than TREE_STRING_LENGTH bytes.
10351 2006-06-21 Richard Guenther <rguenther@suse.de>
10353 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10354 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10357 2006-06-21 Richrad Guenther <rguenther@suse.de>
10359 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10360 Limit iteration over the dominators.
10362 2006-06-20 Roger Sayle <roger@eyesopen.com>
10364 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10365 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10367 2006-06-20 Richard Guenther <rguenther@suse.de>
10368 Michael Matz <matz@suse.de>
10370 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10372 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10373 * et-forest.h (et_free_pools): Prototype new function.
10374 * et-forest.c (et_free_tree_force): Free parent occurrence.
10375 (et_free_pools): New function.
10376 * dominance.c (free_dominance_info): Free et-forest alloc
10379 2006-06-20 Roger Sayle <roger@eyesopen.com>
10381 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10382 integer modes, attempt to directly construct an integer constant.
10384 * fold-const.c (native_encode_vector): Determine the size of each
10385 element from the vector type instead of the first vector element.
10387 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10388 if all of its elements/components are constant.
10389 (build_constructor_from_list): Likewise.
10391 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10393 PR tree-optimization/27331
10394 * tree-data-ref.c (free_data_ref): New function.
10395 (create_data_ref): Fail if the data reference has unknown access
10397 (free_data_refs): Use free_data_ref.
10399 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10401 PR middle-end/28075
10402 * tree-inline.c (setup_one_parameter): Strip useless
10403 type conversion before adding it to the IR.
10404 (declare_return_variable): Likewise.
10406 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10409 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10411 2006-06-19 Mike Stump <mrs@apple.com>
10413 * tree.c (variably_modified_type_p): VM arguments don't make the
10416 2006-06-19 Richard Guenther <rguenther@suse.de>
10418 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10419 type conversions after folding.
10421 2006-06-19 Richard Guenther <rguenther@suse.de>
10423 * ggc-page.c (extra_order_size_tab): Add entries with
10424 size of struct function and basic_block.
10425 (size_lookup): Extend to cover sizes up to 511.
10426 (ggc_alloc_stat): Adjust user.
10427 (ggc_pch_count_object): Likewise.
10428 (ggc_pch_alloc_object): Likewise.
10429 (ggc_pch_write_object): Likewise.
10431 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10433 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10434 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10437 2006-06-19 Denis Chertykov <denisc@overta.ru>
10439 * config/avr/libgcc.S : Correct my wrong previous commit.
10441 2006-06-19 Roger Sayle <roger@eyesopen.com>
10444 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10445 have stripped a SUBREG from the shift count, so we may need to
10446 convert_to_mode back to the type's mode before calling make_tree.
10447 Use new_amount instead of amount to avoid expanding a tree twice.
10449 2006-06-19 Richard Guenther <rguenther@suse.de>
10451 PR middle-end/28045
10452 * fold-const.c (operand_equal_p): Check if the argument types
10453 have the same precision before stripping NOPs.
10455 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10457 Fix PR tree-optimization/27341
10458 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10460 * tree-complex.c (pass_lower_complex): Update SMT usage.
10462 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10464 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10465 Add a new alternative to the constraint strings. Add move of
10466 operand 1 to 3 to the splitter definition.
10467 ("doloop_si_long"): Second contraint alternative removed.
10469 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10471 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10472 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10474 (AVR_HAVE_MOVW) Define.
10475 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10476 (ASM_SPEC): Add avr25.
10477 (LINK_SPEC): Add avr25.
10478 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10479 (base_arch_s): Add new member 'have_movw_lpmx'.
10480 (avr_arch_types): Init 'have_movw_lpmx'.
10481 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10482 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10483 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10484 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10485 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10487 (avr_file_start): Do not output '.arh' derective.
10488 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10489 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10490 * config/avr/avr.md (mcu_enhanced): Delete.
10491 (mcu_have_movw): Define.
10492 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10493 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10494 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10495 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10496 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10497 attiny861 and at86rf401 devices.
10499 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10501 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10504 2006-06-17 Karl Berry <karl@gnu.org>
10506 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10507 doc/gccint.texi, doc/install.texi (@dircategory): Use
10508 "Software development" instead of "Programming", following
10509 the Free Software Directory.
10511 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
10513 * config/i386/i386.c (legitimate_tls_address)
10514 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
10515 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
10516 (*tls_dynamic_gnu2_combine_64): Likewise.
10518 2006-06-16 Richard Guenther <rguenther@suse.de>
10520 PR middle-end/27116
10521 * fold-const.c (negate_expr_p): Do not introduce undefined
10522 overflow in negating INTEGER_CSTs.
10523 (fold_negate_expr): Rename from negate_expr. Revert last
10524 change for folding BIT_NOT_EXPR. Change semantics to
10525 return NULL_TREE for non-simplified negations. Do not
10526 strip type conversions and unify type handling.
10527 (negate_expr): New function, wrap around fold_negate_expr
10528 but ensure building a tree always. Strip type conversions
10529 here, fold to result type.
10530 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
10532 2006-06-16 Roger Sayle <roger@eyesopen.com>
10534 PR middle-end/27802
10535 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
10536 that (would) return their results in stack registers.
10538 2006-06-16 Michael Matz <matz@suse.de>
10539 Richard Guenther <rguenther@suse.de>
10541 * fold-const.c (fold_truthop): Only return new tree node if
10542 we canonicalized something.
10544 2006-06-16 Richard Guenther <rguenther@suse.de>
10546 * function.h (enum function_frequency): Move declaration
10547 out of struct function.
10548 (struct function): Move bool fields and the enum to the bitfield
10549 section. Reorder elements to avoid padding. Remove unused
10550 fields left over from the RTL inliner removal.
10551 * function.c (free_after_compilation): Do not zero removed fields.
10552 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
10553 (ipa-type-escape.o): Likewise.
10555 2006-06-16 Richard Guenther <rguenther@suse.de>
10557 * cgraph.h (struct cgraph_local_info): Turn bool elements
10559 (struct cgraph_node): Likewise.
10560 (struct cgraph_varpool_node): Likewise.
10562 2006-06-15 Richard Guenther <rguenther@suse.de>
10564 * fold-const.c (fold_truth_not_expr): Rename from
10565 invert_truthvalue. Give it fold_* semantics to avoid
10566 generating garbage.
10567 (invert_truthvalue): New function. Wrapper around
10568 fold_truth_not_expr.
10569 (optimize_minmax_comparison): Avoid creating garbage.
10570 (fold_unary): Use fold_truth_not_expr for folding
10572 (fold_ternary): Replace uses of invert_truthvalue with
10573 fold_truth_not_expr where applicable.
10574 * tree.h (fold_truth_not_expr): Prototype.
10576 2006-06-16 Richard Guenther <rguenther@suse.de>
10578 PR tree-optimization/27781
10579 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
10580 * ipa-pure-const.c (target.h): Include.
10581 (analyze_function): Do not analyze functions that do not
10584 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
10586 PR middle-end/27793
10587 * tree-dfa.c (referenced_vars_dup_list): Remove.
10588 (find_referenced_vars): Remove assert.
10589 (referenced_var_check_and_insert): Replace dup list with assert.
10590 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
10591 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
10593 2006-06-15 Richard Guenther <rguenther@suse.de>
10595 * tree-ssa-structalias.c (alias_get_name): Avoid creating
10596 extra unused identifiers if not dumping.
10597 (create_variable_info_for): Likewise.
10599 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
10601 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
10602 (derive_constant_upper_bound): Derive more precise upper bound in
10603 common cases. Return type changed to double_int.
10604 (record_estimate): Reflect the changed return type of
10605 derive_constant_upper_bound.
10606 * double-int.c (double_int_zext, double_int_sext): Fix.
10608 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
10610 * configure.ac (CFLAGS): Get them from the toplevel or from the
10611 configure invocation.
10612 * configure: Regenerate.
10613 * Makefile.in (CFLAGS): Substitute value provided by configure.
10615 2006-06-14 Mark Mitchell <mark@codesourcery.com>
10618 * c-common.h (c_finish_omp_atomic): Adjust declaration.
10619 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
10620 rather than calling add_stmt on it.
10621 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
10623 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
10625 PR middle-end/27959
10626 * reload1.c (reload): Remove registers returned by update_eliminables
10627 from used_spill_regs.
10629 2006-06-13 DJ Delorie <dj@redhat.com>
10631 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
10633 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
10635 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
10636 html__strip_dir, html__mkdir_p. Enhance install-html target.
10637 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
10638 * configure: Regenerate.
10640 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
10642 * fold-const.c (fold_cond_expr_with_comparison): Check for
10643 Objective-C++ as language in deciding COND_EXPR transformation.
10645 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
10648 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
10649 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
10650 * config/sh/lib1funcs.h (SL, SL1): Define.
10651 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
10652 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
10653 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
10654 (OBJS_Os_4_200): New variable.
10655 ($(T)libgcc-Os-4-200.a): Use it.
10656 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
10657 when dividing 1 and/or by 0.
10659 2006-06-13 Roger Sayle <roger@eyesopen.com>
10661 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
10662 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
10663 * configure: Regenerate.
10665 2006-06-13 Jie Zhang <jie.zhang@analog.com>
10667 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
10668 for real instruction.
10670 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10672 PR middle-end/26807
10673 * haifa-sched.c (check_cfg): Handle special case.
10675 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
10678 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
10679 Add debug_info parameter. Chain the vars to the BLOCK instead
10680 of the BIND_EXPR if debug info are requested for them.
10681 (pop_gimplify_context): Adjust for above change.
10682 (gimple_add_tmp_var): Likewise.
10683 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
10684 Add bool parameter.
10685 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
10686 (convert_local_reference): Likewise.
10687 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
10688 (finalize_nesting_tree_1): Request that debug info be emitted
10689 for debug_var_chain.
10691 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10693 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
10694 for PR target/27863.
10696 2006-06-13 Richard Guenther <rguenther@suse.de>
10698 PR middle-end/27536
10699 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
10701 2006-06-13 Richard Guenther <rguenther@suse.de>
10703 PR tree-optimization/27830
10704 * tree-inline.c (copy_body_r): For copying the operand
10705 of an ADDR_EXPR make sure to fold &* afterwards.
10707 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
10709 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
10710 lvalues in the fb_none case with side-effects.
10712 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
10714 * tree-flow.h: Remove the prototype for
10715 compute_phi_arg_on_exit.
10716 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
10717 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
10720 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
10722 * builtins.c (expand_builtin_return_addr): Only use
10723 frame_pointer_rtx when count == 0 and we are expanding
10724 __builtin_return_address.
10726 2006-06-12 Fred Fish <fnf@specifix.com>
10728 * config/mips/mips.c (mips_file_start): Create special section
10729 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
10731 2006-06-11 Eric Christopher <echristo@apple.com>
10733 PR middle-end/27948
10734 * stor-layout.c (place_field): Remove check for
10735 remaining_in_alignment when aligning at the end of a run.
10737 2006-06-11 Eric Christopher <echristo@apple.com>
10740 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
10743 2006-06-11 Roger Sayle <roger@eyesopen.com>
10746 Revert incorrect fix for PR target/27158
10747 2006-05-08 Roger Sayle <roger@eyesopen.com>
10748 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10749 of a reg_equiv_constant if the result is a legitimate constant.
10751 2006-06-11 Roger Sayle <roger@eyesopen.com>
10754 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
10755 extract a CONST_VECTOR element and interpret it as an integer.
10756 (vspltis_constant): Use const_vector_elt_as_int instead of the
10757 macro CONST_VECTOR_ELT in order to handle FP vector modes.
10758 * config/rs6000/predicates.md (easy_vector_const): Consider
10759 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
10761 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
10763 PR middle-end/27942
10764 * stor-layout.c (update_alignment_for_field): Don't add extra
10765 alignment for packed non-bitfield fields in ms_bitfield_layout_p
10768 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
10770 * config/mips/t-rtems: Add EL/EB multilib variants.
10772 2006-06-09 Mike Stump <mrs@apple.com>
10774 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
10776 2006-06-09 David Daney <ddaney@avtrex.com>
10778 * doc/install.texi: Add binutils version recommendation for mips-*-*.
10780 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
10782 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
10784 2006-06-09 Richard Guenther <rguenther@suse.de>
10786 PR tree-optimization/26998
10787 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
10788 of signed types, only TYPE_MIN_VALUE is special, but for both,
10789 minimum and maximum value. Likewise VR_ANTI_RANGE is special
10790 in this case, as is -fwrapv.
10792 2006-06-08 Mike Stump <mrs@apple.com>
10795 * config/darwin.c (darwin_asm_output_anchor): Disable
10796 -fsection-anchors on darwin for now.
10797 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
10798 * rs6000/rs6000.c (optimization_options): Likewise.
10800 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10803 * config/i386/i386.c (classify_argument): Skip fields with invalid
10806 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
10808 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
10809 (cse_insn): Likewise for the stack_pointer_rtx.
10811 2006-06-08 Roger Sayle <roger@eyesopen.com>
10813 * tree-ssa-dom.c (record_conditions): Only record "unordered"
10814 conditions from floating point comparisons.
10816 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
10818 PR middle-end/27733
10819 * expmed.c (struct alg_hash_entry): Fix type of field T
10820 to match synth_mult argument.
10821 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
10823 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10826 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
10829 2006-06-08 Richard Guenther <rguenther@suse.de>
10831 PR middle-end/27116
10832 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
10833 only, if overflow is defined and not trapping.
10834 (negate_expr): Likewise.
10836 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10838 PR tree-optimization/27872
10839 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
10840 flag on the new exit edge of the unrolled loop.
10842 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10844 PR rtl-optimization/26449
10845 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
10847 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
10849 PR middle-end/27793
10850 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
10851 referenced_variables with matching DECL_UID's.
10852 (find_referenced_vars): Make sure duplicate list is empty to start.
10853 (referenced_var_p): Remove.
10854 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
10855 Check if var is in the list, and add if needed. Update the duplicate
10856 list if a different var is in the list with the same DECL_UID.
10857 (add_referenced_var): Call routine to check and insert.
10858 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
10859 * tree-flow.h (referenced_vars_dup_list): External declaration.
10861 2006-06-07 Fred Fish <fnf@specifix.com>
10863 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
10866 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
10869 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
10870 the imaginary and real parts of a clobbered register.
10871 Emit insn to set the imaginary part.
10873 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
10875 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
10876 in lieu of unwind-dw2-fde.c.
10878 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10880 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
10882 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
10885 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
10886 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
10887 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
10888 V4SImode temporaries and operations instead.
10890 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
10892 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
10895 2006-06-06 Mike Stump <mrs@apple.com>
10897 * Makefile.in: Rename to htmldir to build_htmldir to avoid
10898 installing during build.
10900 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10902 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
10904 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10905 * config/ia64/ia64.c (params.h): New header.
10906 (ia64_optimization_options): New function to adjust parameters.
10907 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
10908 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
10909 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
10911 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
10913 * stor-layout.c (debug_rli): Fix a typo in a debug message.
10915 2006-06-05 Steve Ellcey <sje@cup.hp.com>
10918 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
10920 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
10921 Victor Kaplansky <victork@il.ibm.com>
10923 PR tree-optimization/26360
10924 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
10927 2006-06-04 Roger Sayle <roger@eyesopen.com>
10928 Andrew Pinski <pinskia@physics.uc.edu>
10930 PR middle-end/27382
10931 * c-common.c (c_common_truthvalue_conversion): Explicitly check
10932 for LABEL_DECL before calling DECL_WEAK.
10935 * c-typeck.c (build_binary_op): Likewise, explicitly check for
10936 LABEL_DECL and PARM_DECL.
10938 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
10942 * c-decl.c (grokdeclarator): Disallow variably modified types at
10943 file scope. Avoid marking shared array type of constant size as
10946 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10949 * c-common.c (fold_offsetof_1): Handle static members.
10951 2006-06-04 Eric Christopher <echristo@apple.com>
10953 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
10954 (debug_rli): Output value for remaining_in_alignment.
10955 (update_alignment_for_field): Unconditionalize
10956 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
10957 extra alignment code.
10958 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
10959 ms_bitfield_layout_p code. Rewrite handling of structure fields.
10960 * tree.h (record_layout_info_s): Remove prev_packed.
10961 * doc/extend.texi (ms_struct): Add documentation of format.
10963 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
10965 * tree.h: Declare folding_initializer.
10966 * builtins.c (fold_builtin_constant_p): Give definite answer
10967 if folding inside an initializer.
10968 * fold-const.c: Define folding_initializer.
10969 (START_FOLD_INIT): Save and then set folding_initializer.
10970 (END_FOLD_INIT): Restore folding_initializer.
10972 2006-06-04 Richard Guenther <rguenther@suse.de>
10974 PR tree-optimization/27039
10975 * fold-const.c (fold_comparison): Handle pointer comparison
10976 again for all comparison codes. Compare offsets in signed
10978 (fold_binary): Move code from here.
10980 2006-06-03 Roger Sayle <roger@eyesopen.com>
10983 * config/i386/i386.c (construct_container): Split static issued_error
10984 flag into issued_sse_arg_error, issued_sse_ret_error and
10985 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
10986 requires the use of x87 registers and the user explicitly
10987 specified the -mno-80387 command line option.
10989 2006-06-02 Geoffrey Keating <geoffk@apple.com>
10991 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
10992 HAVE_DECL_SIGALTSTACK.
10994 (segv_handler): Use MC_FLD.
10995 * configure.ac: Check for a sigaltstack declaration.
10996 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
10997 * configure: Regenerate.
10998 * config.in: Regenerate.
11000 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
11003 * Makefile.in (stmp-fixinc): Fix typo.
11005 2006-06-02 Roger Sayle <roger@eyesopen.com>
11007 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
11008 are type correct. Clean-up.
11009 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
11010 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
11012 2006-06-01 DJ Delorie <dj@redhat.com>
11014 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11015 shift, as we've disabled the "switch" insn that needs it.
11017 2006-06-01 Per Bothner <bothner@bothner.com>
11019 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
11020 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
11021 * c-ppoutput.c (cb_define): Don't increment line 0.
11023 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
11025 * doc/invoke.texi: Add cpu_type power6.
11026 * config.gcc: Add cpu_type power6.
11027 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11028 to power5+ with Altivec.
11029 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11030 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11032 2006-05-30 Anatoly Sokolov <aesok@post.ru>
11034 * config/avr/avr.h (SET_ASM_OP): Define.
11036 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
11038 * config/bfin/bfin.c: Fix comment typos.
11040 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11043 * doc/install.texi: Document --enable-bootstrap and
11044 --disable-bootstrap.
11046 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11048 * doc/install.texi: Document that InfoZIP can replace jar.
11050 2006-05-31 Roger Sayle <roger@eyesopen.com>
11052 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11053 isn't available, directly generate the simpler x87 patterns without
11054 the (use (const_int 0)).
11055 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11056 implementation isn't available.
11057 (*negdf2_1): Likewise.
11058 (*negxf2_1): XF mode negation is always done using the x87.
11059 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11061 2006-05-31 Roger Sayle <roger@eyesopen.com>
11063 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
11064 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
11066 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11068 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11070 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11071 * config/bfin/bfin.c (basic-block.h): Include.
11072 (struct machine_function): New.
11073 (bfin_init_machine_status): New.
11074 (override_options): Initialize init_machine_status.
11075 (bfin_hardware_loop): New.
11076 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11077 (DEF_VEC_P (loop_info)): New.
11078 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11079 (struct loop_info): New.
11080 (loop_info): New typedef.
11081 (struct loop_work): New.
11082 (loop_work): New typedef.
11083 (DEF_VEC_O (loop_work)): New.
11084 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11085 (bfin_dump_loops): New.
11086 (bfin_bb_in_loop): New.
11087 (bfin_scan_loop): New.
11088 (bfin_optimize_loop): New.
11089 (bfin_reorg_loops): New.
11090 (bfin_reorg): Use bfin_reorg_loops.
11091 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11093 (I_REGNO_P): Simplify.
11094 (DP_REGNO_P, DPREG_P): New macros.
11095 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11096 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11097 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11098 Add LT_REGS, LC_REGS, LB_REGS.
11099 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11101 (REGNO_REG_CLASS): Deal with loop registers.
11102 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11104 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11105 New constants for loop registers.
11106 (UNSPEC_LSETUP_END): New.
11107 (seq_insns): New define_attr. Set it for appropriate insns.
11108 (movsi_insn): Add alternatives for move from/to
11109 loop count registers.
11110 (doloop_end): New define_expand.
11111 (loop_end): New define_insn.
11112 (define_split for bad doloop_end): New.
11113 (lsetup_with_autoinit): New define_insn.
11114 (lsetup_without_autoinit): New define_insn.
11115 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11116 * config/bfin/predicates.md (lc_register_operand): New.
11117 (lt_register_operand): New.
11118 (lb_register_operand): New.
11119 (nondp_register_operand): New.
11120 (nondp_reg_or_memory_operand): New.
11121 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11123 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11125 * config/bfin/bfin.c (bfin_delegitimize_address): New.
11126 (TARGET_DELEGITIMIZE_ADDRESS): Define.
11128 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
11130 * Makefile.in (CATALOGS): Add po/ prefix.
11131 * configure: Regenerated.
11133 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
11136 * arm.c (arm_print_operand case 'S'): Validate that the operand is
11137 a shift operand before calling shift_op. Avoid redundant call of
11140 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
11141 DJ Delorie <dj@redhat.com>
11143 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11144 we're inserting is a singlt-bit constant.
11146 2006-05-30 Roger Sayle <roger@eyesopen.com>
11148 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11149 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
11151 2006-05-30 Roger Sayle <roger@eyesopen.com>
11153 PR tree-optimization/23452
11154 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
11155 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11156 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
11157 complex values and with -ffast-math for FP complex values.
11159 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
11161 * c-common.h: Remove the prototype for yyparse.
11162 * rtl.h: Remove the prototype for init_loop.
11164 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
11166 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11169 2006-05-30 Roger Sayle <roger@eyesopen.com>
11171 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11173 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
11174 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
11176 2006-05-30 Dirk Mueller <dmueller@suse.de>
11179 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
11180 for CONSTANT_CLASS_P expresisons.
11182 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11185 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
11187 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
11189 PR tree-optimization/27779
11190 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
11191 initial_condition instead of CHREC_LEFT.
11193 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
11195 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
11196 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
11197 Make prototypes ISO C90.
11199 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
11200 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11202 * see.c (see_analyze_one_def): Correct check.
11203 (see_get_extension_data): Check if extension is parallel.
11204 (see_get_extension_reg): Likewise.
11206 2006-05-30 Uros Bizjak <uros@kss-loka.si>
11209 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
11210 into register for (code == GTU).
11212 2006-05-29 Roger Sayle <roger@eyesopen.com>
11214 PR tree-optimization/24964
11215 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11216 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
11217 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
11218 abs(x)*abs(x) as x*x for scalar floating point modes.
11220 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
11222 PR middle-end/27745
11223 * lambda-code.c (perfect_nestify): Don't copy statements
11224 in the inner loop: move them to the inner loop header.
11226 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11229 * c-tree.texi: Document OpenMP directives and clauses.
11231 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11233 * varasm.c (globalize_decl): Fix indentation.
11235 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11238 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
11239 pass_fre, pass_store_ccp, pass_copy_prop,
11240 pass_store_copy_prop, pass_merge_phi, pass_nrv,
11241 pass_return_slot, pass_object_size, pass_lim,
11242 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
11243 pass_loop_prefetch and pass_stdarg.
11245 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
11247 * config/bfin/bfin.opt (mfdpic): New option.
11248 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
11249 (EXTRA_MULTILIB_PARTS): Likewise.
11250 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
11251 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
11253 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
11254 (CRT_CALL_STATIC_FUNCTION): New.
11255 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
11257 (CRT_CALL_STATIC_FUNCTION): New.
11258 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
11260 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
11261 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
11262 (initialize_trampoline): Changed to handle FD-PIC code generation.
11263 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
11264 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
11265 (override_options): Disallow -mid-shared-library -mfdpic combination.
11266 Can't do unaligned ops if FD-PIC.
11267 Turn off flag_pic if trying to generate non-id-shared-library
11268 non-fdpic code, since it's not supported.
11269 (bfin_assemble_integer): New function.
11270 (TARGET_ASM_INTEGER): Define.
11271 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
11273 * config/bfin/crtn.s: Restore them.
11274 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
11276 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
11277 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
11278 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
11279 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
11280 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
11282 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
11283 FDPIC_REGS and FDPIC_FPTR_REGS.
11284 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
11285 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
11286 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
11287 (load_funcdescsi): New pattern.
11288 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
11289 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
11290 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
11292 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11294 * gcse.c, rtlanal.c: Remove obsolete comments associated with
11297 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
11299 * tree-flow.h: Remove the prototype for add_type_alias.
11300 * tree-ssa-alias.c (add_type_alias): Remove.
11302 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
11304 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11305 config/fr30/fr30.md, config/i386/i386-interix.h,
11306 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11307 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11308 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11309 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11310 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11311 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11312 Follow spelling conventions.
11313 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11314 Follow spelling conventions.
11316 2006-05-27 Richard Guenther <rguenther@suse.de>
11318 PR middle-end/27773
11319 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11320 to produce a constant of value 1 of generic type.
11322 2006-05-27 Dirk Mueller <dmueller@suse.de>
11324 * cgraphunit.c (decide_is_function_needed): Fix wrong
11327 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11329 PR rtl-optimization/27661
11330 * reload.c (find_reloads): When reloading a VOIDmode constant
11331 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11332 use Pmode as mode of the reload register.
11334 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11336 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11337 is enabled at -O and above.
11339 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11342 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11345 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11348 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11349 for anonymous variables explicitly declared by front ends.
11351 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11353 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11354 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11355 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11356 ref-all pointers, run a finalization pass for them.
11357 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11358 (finalize_ref_all_pointers): New function.
11359 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11360 regular pointer type to a ref-all pointer type.
11361 (get_tmt_for): Return the special memory tag for ref-all pointers.
11363 2006-05-25 Richard Guenther <rguenther@suse.de>
11365 PR middle-end/27743
11366 * fold-const.c (fold_binary): Do not look at the stripped
11367 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11369 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11371 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11372 for LT and GT if the computed range is effectively empty.
11374 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11377 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11378 mips_quad_format formats instead of ieee_single_format,
11379 ieee_double_format and ieee_quad_format formats, respectively.
11381 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11383 PR tree-optimization/27639
11384 PR tree-optimization/26719
11385 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11386 call to scev_probably_wraps_p.
11387 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11388 used_in_pointer_arithmetic_p, convert_step): Removed.
11389 (nowrap_type_p): New function.
11390 (scev_probably_wraps_p): Rewritten.
11391 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11392 chrec_convert if chrec_convert_aggressive might have been used.
11393 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11394 scev_direction): New functions.
11395 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11396 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11397 instead of convert_step.
11398 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11399 (convert_step): Declaration removed.
11400 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11402 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11404 * df-core.c: Added to header comments.
11405 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11406 df_ur_bb_info, df_urec_bb_info): Added comments.
11407 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11408 urec, ri problems): Fixed header comments.
11409 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11410 code from df_rd_transfer_function.
11412 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11414 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11415 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11416 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11418 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11420 * expr.c (undefined_operand_subword_p): New.
11421 (emit_move_multi_word): Do not generate move from undefined bits
11422 of a paradoxical subreg.
11424 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11426 PR rtl-optimization/27736
11427 * combine.c (replaced_rhs_value): New variable.
11428 (combine_instructions): Set it.
11429 (distribute_notes): When distributing a note in replaced_rhs_insn,
11430 check whether the value was used in replaced_rhs_value.
11432 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11435 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11436 add_referenced_var instead of add_referenced_tmp_var.
11437 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11438 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11439 add_referenced_var.
11440 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11441 tree_optimize_tail_calls_1): Use add_referenced_var.
11442 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11443 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11444 Use add_referenced_var.
11445 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11446 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11447 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11448 Use add_referenced_var.
11449 * tree-dfa.c (struct walk_state): Remove.
11450 (find_referenced_vars): Remove walk state and vars_found hash table.
11451 (make_rename_temp): Use add_referenced_var.
11452 (find_vars_r): Pass less parameters to add_referenced_var.
11453 (referenced_var_p): New. Is var in referenced_var hash table.
11454 (referenced_var_insert): Assert var isn't already in hash table.
11455 (add_referenced_var): Don't need walk_state parameter. Add var if it
11456 isn't already in the hash table.
11457 (add_referenced_tmp_var): Remove.
11458 (find_new_referenced_vars_1): Use add_referenced_var.
11459 * tree-ssa-pre.c (create_expression_by_pieces,
11460 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11461 Use add_referenced_var.
11462 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11463 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11464 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11465 add_referenced_var.
11466 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11467 vect_create_data_ref_ptr, vect_create_destination_var,
11468 vect_init_vector, vect_build_loop_niters,
11469 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11470 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11471 Use add_referenced_var.
11472 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11473 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11474 (add_referenced_var): Add prototype.
11475 * tree-ssa-structalias.c (get_constraint_for,
11476 intra_create_variable_infos): Use add_referenced_var.
11478 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11480 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11481 big-endian paradoxical subregs.
11482 * var-tracking.c (struct micro_operation_def): Document that,
11483 for modify micro operations, insn is the subsequent instruction.
11484 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11485 (var_reg_set, var_mem_set): ... new functions.
11486 (add_stores): Record subsequent insn.
11487 (compute_bb_dataflow): Use new functions for MO_USE.
11488 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11489 notes after the insn, and modify notes before the insn known
11490 to be the subsequent one.
11491 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11493 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11496 * config/i386/i386.c (ix86_expand_builtin): Use
11497 gen_sse3_monitor64 for TARGET_64BIT.
11499 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11501 PR rtl-optimization/26375
11502 PR rtl-optimization/26855
11503 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11505 (df_ru_bb_local_compute): Reversed statements and removed bogus
11506 comment explaining why they should be in wrong order.
11507 (df_ru_dump, df_rd_dump): Enhanced debug info.
11508 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11510 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11511 reaching uses and fixed space problem.
11513 2006-05-23 Jan Hubicka <jh@suse.cz>
11515 * cgraphunit.c (decide_is_function_needed): Also nested functions
11516 and functions declared inline can be optimized out at -O0.
11518 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
11520 * doc/install.texi (Configuration): Remove reference to CrossGCC
11521 FAQ which was gone.
11524 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11527 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
11528 ix86_compare_emitted is non-NULL.
11530 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11533 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11536 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11538 PR rtl-optimization/25514
11539 * combine.c (replaced_rhs_insn): New variable.
11540 (combine_instructions): Set replaced_rhs_insn when trying to replace
11541 a SET_SRC with a REG_EQUAL note.
11542 (distribute_notes): Use replaced_rhs_insn when determining the live
11543 range of a REG_DEAD register.
11545 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
11546 Anatoly Sokolov <aesok@post.ru>
11548 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
11549 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
11550 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
11551 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
11552 atmega3290, atmega649, atmega6490, atmega406, atmega640,
11553 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
11554 at90usb647, at90usb1286 and at90usb1287 devices.
11555 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11556 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11558 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11560 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
11562 2006-05-22 Richard Guenther <rguenther@suse.de>
11565 2006-01-31 Richard Guenther <rguenther@suse.de>
11566 Paolo Bonzini <bonzini@gnu.org>
11568 * doc/install.texi (--disable-libgcc-math): Document.
11570 2006-05-22 Richard Guenther <rguenther@suse.de>
11573 2006-01-31 Richard Guenther <rguenther@suse.de>
11575 * doc/invoke.texi (-msselibm): Document.
11576 * target.h (expand_library_builtin): New target hook.
11577 * builtins.c (expand_builtin): Use expand_library_builtin.
11578 (default_expand_library_builtin): New function.
11579 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11580 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11581 (link_gcc_math_spec): Declare.
11582 (static_specs): Add link_gcc_math_spec.
11583 * expr.h (default_expand_library_builtin): Declare.
11584 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11585 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11586 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11587 * config/i386/i386.opt (msselibm): New target option.
11588 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11589 (ix86_init_sse_abi_builtins): New function.
11590 (ix86_expand_library_builtin): Likewise.
11591 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11592 (override_options): Handle error conditions wrt -msselibm.
11593 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11594 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11595 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11598 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11601 * c-common.c (self_promoting_args_p): Skip erroneous args.
11604 * c-decl.c (finish_struct): Skip erroneous fields.
11606 2006-05-22 Nick Clifton <nickc@redhat.com>
11608 * config/cris/cris.opt (march): Remove VarExists attribute.
11609 (max-stackframe=): Likewise.
11611 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11613 * doc/rtl.texi: Fix a typo.
11614 * see.c: Fix comment typos.
11616 * tree-ssa-structalias.h (alias_info): Remove num_references.
11618 2006-05-21 Mike Stump <mrs@apple.com>
11620 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
11622 (darwin_pragma_options): Use BAD instead.
11623 (darwin_pragma_unused): Likewise.
11624 (darwin_pragma_ms_struct): Likewise.
11626 2006-05-21 David Edelsohn <edelsohn@gnu.org>
11628 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
11630 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
11632 PR rtl-optimization/27671
11633 * simplify-rtx.c (simplify_relational_operation_1): Fix
11634 simplifications of (eq/ne (xor x y) y) and
11635 (eq/ne (xor x y) x).
11637 PR tree-optimization/26622.
11638 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
11641 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11643 * tree-cfg.c: Prune whitespace.
11644 (debug_tree_cfg): Point to correct header containing the
11647 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11649 PR middle-end/25776
11650 * cgraphunit.c (verify_cgraph_node): Typo in error message.
11652 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
11654 PR middle-end/25776
11655 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
11656 or sorry count is non zero.
11658 2006-05-20 Andreas Schwab <schwab@suse.de>
11660 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
11662 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
11663 Kenneth Zadeck <zadeck@naturalbridge.com>
11665 PR rtl-optimization/26855
11667 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
11669 (df_scan_alloc): Added code to properly handle multiword hard
11670 registers and add all_blocks parameter.
11671 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
11672 code to properly handle multiword hard registers.
11673 (df_rescan_blocks): Added code to remove deleted blocks from
11675 (df_ref_create_structure, df_ref_record): Added code to properly
11677 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
11678 and set DF_REF_PARTIAL.
11679 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
11680 (df_uses_record): Added DF_REF_PARTIAL for subreg.
11681 (df_scan_add_problem): Added flags parameter.
11682 (df_ref_create_structure): Changed switching structure.
11683 (df_bb_refs_record): Fixed case where duplicate artificial refs
11684 were created. Changed location of flags.
11685 (df_record_entry_block_defs): Added code to make stack pointer
11686 live in entry block. Refined cases where frame pointer is needed.
11687 Changed location of flags.
11688 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
11689 (df_set_state): Removed function.
11690 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
11691 df_insn_create_insn_record, df_insn_refs_delete,
11692 df_ref_create_structure): Formatting changes.
11693 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
11694 df_delete_basic_block): New function.
11695 (df_init): Changed location of flags.
11696 (df_add_problem): Added flags parameter and the way flags are
11698 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
11699 debug_df_chain): Improved debugging output.
11700 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
11701 (df_refs_chain_dump): Removed df parameter.
11702 (df_iterative_dataflow): Added consistency check.
11703 (df_prune_to_subcfg): Made public.
11704 (df_analyze_problem): Added blocks_to_init parameter and made
11706 (df_ref_record, df_bb_refs_record, df_mark_reg,
11707 df_record_exit_block_uses): Whitespace changes.
11708 (df_dump): Whitespace changes.
11709 * df.h: Some reordering to remove forward references.
11710 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
11711 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
11712 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
11713 (dataflow.flags): New field.
11714 (df.flag): Deleted field.
11715 (df_alloc_function): Added additional bitmap parameter.
11716 (df_dependent_problem_function): New type.
11717 (df_problem.changeable_flags): New field.
11718 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
11719 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
11720 (df_mw_hardreg): New struct.
11721 (DF_INSN_UID_MWS): New macro.
11722 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
11724 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
11725 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
11726 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
11727 (df_set_state): Removed function.
11728 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
11729 * df-problems.c (df_chain_dump): Removed df parameter.
11730 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
11731 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
11733 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
11734 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
11735 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
11736 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
11737 DF_REF_MUST_CLOBBER cases.
11738 (df_ru_bb_local_compute_process_def,
11739 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
11740 df_lr_bb_local_compute, df_ur_bb_local_compute,
11741 df_chain_create_bb): Made subreg aware.
11742 (df_ru_bb_local_compute, df_rd_bb_local_compute,
11743 df_lr_bb_local_compute, df_lr_bb_local_compute,
11744 df_chain_create_bb): Cleanup to use proper macros.
11745 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
11746 code to fixup bitvectors.
11747 (df_ri_alloc): Cleared lifetime.
11748 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
11749 df_create_unused_note): New function.
11750 (df_ri_bb_compute, df_ri_compute): Added code to create/update
11751 REG_DEAD and REG_UNUSED notes as well as register information.
11752 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
11753 df_chains_dump): Fixed crash if problem was never run.
11754 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
11755 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
11756 df_ri_add_problem): Processes flags in uniform manner.
11757 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
11758 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
11759 df_rd_dump, df_urec_free_bb_info): Formatting changes.
11760 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
11761 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
11762 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
11763 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
11764 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
11765 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
11766 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
11767 * see.c (see_initialize_data): Ditto.
11768 * final.c (rest_of_clean_state) Added regstack_completed.
11769 * rtl.h (regstack_completed): Ditto.
11770 * reg-stack.c (regstack_completed): Ditto.
11772 2006-05-19 Mike Stump <mrs@apple.com>
11774 * c-tree.h (default_conversion): Remove.
11775 * c-common.h (default_conversion): Add.
11777 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
11779 * tree-vrp.c (valid_value_p): New function.
11780 (adjust_range_with_scev): Fail if the value of bound is not
11783 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11785 * config/mips/linux-unwind.h: Include <asm/unistd.h>
11786 (mips_fallback_frame_state): Use syscall numbers to determine
11787 the appropriate li instruction for the current ABI. Only use
11788 __NR_sigreturn for o32.
11790 2006-05-19 Nicolas Setton <setton@adacore.com>
11792 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
11793 * langhooks.c (lhd_dwarf_name): New function.
11794 * langhooks-def.h (lhd_dwarf_name): Declare.
11795 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
11796 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
11798 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11800 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
11802 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
11803 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
11804 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
11805 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
11806 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
11807 determine the size of Wtype, etc.
11808 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
11809 (swfloatfuncs): New variable.
11810 (dwfloatfuncs): Likewise.
11811 (lib2funcs): Remove floating-point conversion functions from
11812 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
11813 the set of conversion routines needed. Allow entries to specify
11814 an object name, filename and word size. Update users accordingly.
11815 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
11816 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
11820 2006-02-08 Roger Sayle <roger@eyesopen.com>
11823 * config/fixtfdi.c: New libgcc source file.
11824 * config/fixunstfdi.c: New source file.
11825 * config/floatditf.c: New source file.
11826 * config/floatunditf.c: New souce file.
11827 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11828 files above instead of config/mips/_tilib.c.
11829 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11831 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11833 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
11834 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
11836 2006-05-18 Mike Stump <mrs@apple.com>
11838 Fix up vla, vm and [*] sematics.
11844 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
11845 (c_vla_unspec_p): Add.
11846 (c_vla_type_p): Add.
11847 * c-decl.c (struct c_scope): Add had_vla_unspec.
11848 (build_array_declarator): Add support for [*].
11849 (grokdeclarator): Likewise.
11850 (grokparms): Likewise.
11851 (get_parm_info): Likewise.
11852 * c-objc-common.c (c_vla_unspec_p): Likewise.
11853 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
11854 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
11855 typeof when argument is a variably modified type not inside sizeof or alignof.
11856 (c_parser_direct_declarator_inner): Propagate errors.
11857 (c_parser_sizeof_expression): Add support for [*].
11858 (c_parser_parms_declarator): Initialize had_vla_unspec.
11859 (c_parser_parms_list_declarator): Likewise.
11860 * c-typeck.c (c_vla_type_p): Add.
11861 (composite_type): Add support for vla compositing.
11862 (comptypes_internal): Add support for vla compatibility.
11863 (c_expr_sizeof_expr): Evaluate vla arguments.
11864 * tree.c (variably_modified_type_p): Update comment for [*].
11866 2006-05-18 Michael Matz <matz@suse.de>
11869 * config.host: Make assignments to host_xmake_file cumulative.
11870 * config.host (*-darwin*): Test $host, not $target.
11872 2006-05-12 Stuart Hastings <stuart@apple.com>
11874 * config/i386/i386.opt (-mstackrealign): New flag.
11875 * config/i386/i386.c (force_align_arg_pointer): New attribute.
11876 (ix86_handle_cconv_attribute): Emit error when
11877 force_align_arg_pointer attribute collides with too many regparms.
11878 (ix86_function_regparm): Limit regparms when used with
11879 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
11880 Support stack-realigning prologue in non-main functions. Emit
11881 warning for nested functions under -mstackrealign, emit error for
11882 nested functions with force_align_arg_pointer attribute.
11883 * doc/extend.texi (force_align_arg_pointer): Document it.
11884 * doc/invoke.texi (-mstackrealign): Document it.
11886 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
11888 PR rtl-optimization/27477
11889 * combine.c (try_combine): Don't split a parallel consisting
11890 of two sets into two individual sets if both sets reference
11893 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
11895 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
11896 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
11898 * doc/options.texi (VarExists): Updated.
11900 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11902 * unwind-dw2.c: Add declarations for uw_update_context and
11903 uw_frame_state_for.
11904 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
11905 detected, advance frame state and context once to skip over stub.
11907 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11909 PR middle-end/20256
11910 PR middle-end/26435
11911 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
11912 Call rewrite_into_loop_closed_ssa only when something changed.
11913 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
11914 * lambda-code.c (can_convert_to_perfect_nest): Declared.
11915 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
11916 Test for perfect_nest_p here. Fix formating.
11917 (replace_uses_equiv_to_x_with_y): Fix formating.
11918 (stmt_uses_op): Removed.
11919 (can_convert_to_perfect_nest): Removed loopivs parameter.
11920 Complete the test by checking the scalar dependences.
11921 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
11924 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11927 From Dan Kegel <dank@kegel.com>:
11928 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
11930 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
11932 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
11933 if the element type is variably modified without recursing.
11935 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11937 PR middle-end/27332
11938 * tree-loop-linear.c (try_interchange_loops): Test for
11939 no data dependences.
11941 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
11943 PR tree-optimization/27548
11944 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
11945 range of ssa names that appear on abnormal edges.
11946 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
11947 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
11949 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11951 PR middle-end/27620
11952 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
11954 2006-05-17 Jakub Jelinek <jakub@redhat.com>
11956 PR middle-end/27415
11957 * tree.h (OMP_PARALLEL_COMBINED): Define.
11958 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
11959 (new_omp_context): Add is_combined_parallel argument.
11960 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
11961 new_omp_context caller.
11962 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
11963 Adjust gimplify_scan_omp_clauses callers.
11964 (omp_is_private): Issue errors if iteration variable is firstprivate
11965 or reduction in the current context.
11966 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
11967 on combined parallel workshare constructs.
11969 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11971 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
11972 (gcc-options.o): New rule.
11974 * optc-gen.awk: Protect variables for gcc-options.o with
11975 #ifdef GCC_DRIVER/#endif.
11977 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
11979 Fix PR tree-optimization/27373
11980 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
11981 (forward_propagate_addr_expr): Update call.
11983 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11985 * doc/options.texi: Move the Negative option.
11987 2006-05-16 Richard Guenther <rguenther@suse.de>
11989 PR tree-optimization/22303
11990 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
11992 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
11993 ccp_fold did not simplify the statement.
11995 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11998 * Makefile.in (GCC_OBJS): New.
11999 (OBJS-common): Add opts-common.o.
12000 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
12001 (cpp$(exeext)): Likewise.
12002 (gcc.o): Also depend on opts.h.
12003 (opts-common.o): New.
12005 * common.opt (gcoff): Add Negative(gdwarf-2).
12006 (gdwarf-2): Add Negative(gstabs).
12007 (gstabs): Add Negative(gstabs+).
12008 (gstabs+): Add Negative(gvms).
12009 (gvms): Add Negative(gxcoff).
12010 (gxcoff): Add Negative(gxcoff+).
12011 (gxcoff+): Add Negative(gcoff).
12012 * config/i386/i386.opt (m32): Add Negative(m64).
12013 (m64): Add Negative(m32).
12015 * doc/options.texi: Document the Negative option.
12017 * gcc.c: Include "opts.h".
12018 (main): Call prune_options after expandargv.
12020 * optc-gen.awk: Generate common declarations for all flag
12021 variables in options.c. Output the neg_index field.
12023 * opts.c (find_opt): Moved to ...
12024 * opts-common.c: Here. New file.
12026 * opts.h (cl_option): Add a neg_index field.
12028 (prune_options): Likewise.
12030 2006-05-16 Jakub Jelinek <jakub@redhat.com>
12032 PR middle-end/27573
12033 * omp-low.c (expand_omp_parallel): Don't assert
12034 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12035 instead search for it.
12038 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12041 2006-05-16 Andreas Schwab <schwab@suse.de>
12043 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12046 2006-05-15 Roger Sayle <roger@eyesopen.com>
12049 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
12050 integer constants other than zero are only legitimate on TARGET_64BIT.
12051 <CONST_VECTOR> Only zero vectors are legitimate.
12052 (ix86_cannot_force_const_mem): Integral and vector constants can
12053 always be put in the constant pool.
12055 2006-05-16 DJ Delorie <dj@redhat.com>
12057 * crtstuff.c (__dso_handle): Set section from
12058 TARGET_LBIGCC_SDATA_SECTION if defined.
12059 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12060 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12062 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
12065 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12068 2006-05-16 Ben Elliston <bje@au.ibm.com>
12070 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12072 2006-05-15 Per Bothner <per@bothner.com>
12074 * tree.c: (last_annotated_node): Use source_locus typedef.
12075 This permits bootstrapping with --enable-mapped-location.
12077 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
12079 PR tree-optimization/26830
12080 * tree-into-ssa.c (struct ssa_name_info): Add age field.
12081 (info_for_ssa_name, current_info_for_ssa_name_age,
12082 blocks_to_update): New variables.
12083 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12084 (clear_ssa_name_info, initialize_flags_in_bb,
12085 mark_block_for_update): New functions.
12086 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12087 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12088 prepare_def_site_for): Use mark_block_for_update.
12089 (mark_def_interesting): Assert that the processed block is marked in
12090 blocks_to_update. Do not take blocks argument.
12091 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12093 (rewrite_update_init_block, rewrite_update_stmt): Only process
12094 blocks with statements to rewrite.
12095 (delete_update_ssa): Do not clear SSA_NAME_AUX.
12096 (update_ssa): Initialize and free blocks_to_update. Do not
12097 clear flags on statements. Do not use blocks bitmap.
12098 * tree.h (SSA_NAME_AUX): Removed.
12099 (struct tree_ssa_name): Removed aux field.
12100 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12102 2006-05-15 Richard Guenther <rguenther@suse.de>
12104 PR tree-optimization/27603
12105 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12106 Do computations in original type.
12108 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
12110 * see.c: Code style changes such as redundant paranthesis,
12111 redundant intialization of local variables etc.
12112 (see_main): Declared now as static.
12113 * doc/invoke.texi: Update that -fsee is not enabled by
12116 2006-05-15 Jakub Jelinek <jakub@redhat.com>
12118 * omp-low.c (check_omp_nesting_restrictions): New function.
12119 (scan_omp_1): Call it.
12121 PR middle-end/27416
12122 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12123 construct, return *VAR.
12125 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
12127 PR rtl-optimization/27406
12128 * bt-load.c (migrate_btr_def): Skip the block having abnormal
12131 2006-05-14 Roger Sayle <roger@eyesopen.com>
12133 PR rtl-optimization/27538
12134 * combine.c (expand_compound_operation): Call gen_lowpart
12135 before calling simplify_shift_const.
12137 2006-05-14 Roger Sayle <roger@eyesopen.com>
12139 PR rtl-optimization/22563
12140 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12141 a fixed width bitfield, always force the intermediates into psuedos.
12143 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
12146 * mkconfig.sh: Use operator = instead of == for test.
12148 2006-05-13 Nick Clifton <nickc@redhat.com>
12150 * dwarf2out.c (dbx_reg_number): Check return value from
12151 LEAF_REG_REMAP and only use it if it is valid.
12152 (multiple_reg_loc_descriptor): Likewise.
12154 2006-05-13 Richard Guenther <rguenther@suse.de>
12156 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
12159 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
12161 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
12162 information attached to non-INSNs such as NOTEs.
12163 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
12165 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
12167 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
12169 * config/s390/s390.md: Adjust comment describing On constraint.
12171 2006-05-11 Jan Hubicka <jh@suse.cz>
12173 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12174 to be output at -O0.
12176 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12178 PR middle-end/27384
12179 * fold-const.c (size_binop): Move sanity check for arguments to
12180 the beginning of the function.
12182 PR middle-end/27488
12183 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
12186 2006-05-11 Richard Guenther <rguenther@suse.de>
12188 PR middle-end/27529
12189 * fold-const.c (fold_unary): Handle intermediate conversion
12190 to a pointer type like intermediate conversion to an integer
12191 type in folding of (T1)(T2)var to var.
12192 Match the code to the comment in the final conversion for
12193 (T1)(T2)var to (T1)var regarding to type precision. Rather
12194 than disallow T1 being of pointer type, assert that both T1
12195 and var are of pointer type or not. Make sure not to fall
12196 over the frontends lazyness wrt array to pointer decay though.
12198 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
12200 * arm.c (arm_struct_value_rtx): Delete.
12201 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
12202 (arm_init_cumulative_args): Always initialize nregs to zero.
12204 2006-05-10 Richard Guenther <rguenther@suse.de>
12206 PR tree-optimization/27532
12207 * tree-object-size.c (plus_expr_object_size): Fix typo.
12209 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
12212 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
12213 ashrdi_const, ashrdi3): Use a scratch register.
12215 2006-05-10 Richard Guenther <rguenther@suse.de>
12217 PR tree-optimization/27302
12218 * fold-const.c (operand_equal_p): For two comparisons,
12219 try comparison of one comparison code swapped if that yields
12222 2006-05-10 Ben Elliston <bje@au.ibm.com>
12224 * tree-pretty-print.c (pretty_print_string): No need to handle
12225 '\0' as a special character.
12227 * tree.h: Include "hashtab.h".
12228 (iterative_hash_expr): Use hashval_t in its prototype.
12229 * Makefile.in (TREE_H): Add $(HASHTAB_H).
12231 2006-05-09 Steve Ellcey <sje@cup.hp.com>
12234 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
12235 (hppa*64*-*-hpux11*): Ditto.
12236 (hppa[12]*-*-hpux11*): Ditto.
12238 2006-05-09 David Edelsohn <edelsohn@gnu.org>
12241 * config/rs6000/aix41.h (TARGET_64BIT): Define.
12243 2006-05-09 Michael Matz <matz@suse.de>
12245 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
12246 host_extra_gcc_objs and host_xmake_file.
12247 (<*-*-linux*>): Don't overwrite host_xmake_file.
12248 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
12249 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
12250 (host_detect_local_cpu): Declare.
12251 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
12252 * config/i386/i386.c (override_options): Handle -mtune=native
12254 * config/i386/x-i386: New file.
12255 * config/i386/driver-i386.c: New file.
12256 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
12259 2006-05-09 Dirk Mueller <dmueller@suse.de>
12260 Richard Guenther <rguenther@suse.de>
12262 PR middle-end/27498
12263 * fold-const.c (fold_read_from_constant_string): Relax check
12264 for matching types to matching modes.
12266 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
12268 PR rtl-optimization/27335
12269 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
12272 2006-05-08 Chao-ying Fu <fu@mips.com>
12273 Richard Sandiford <richard@codesourcery.com>
12275 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
12276 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
12277 * config/mips/mips.md (UNSPEC_SCC): New constant.
12278 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
12279 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
12280 (mips_emit_compare): Use it.
12281 (mips_expand_vcondv2sf): New function.
12283 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
12285 Fix PR tree-optimization/27093
12286 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
12287 renaming when they become not-used_alone.
12289 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12291 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
12292 relocation and relocation stubs.
12294 2006-05-08 Eric Christopher <echristo@apple.com>
12296 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
12299 2006-05-08 Jan Hubicka <jh@suse.cz>
12301 PR middle-end/24561
12302 * cgraphunit.c (decide_is_function_needed): When not optimizing even
12303 unused static functions are needed.
12305 2006-05-08 Roger Sayle <roger@eyesopen.com>
12308 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12309 of a reg_equiv_constant if the result is a legitimate constant.
12311 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12314 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12315 standard 80387 constants, raise the cost to prevent
12316 compress_float_constant() to generate load from memory.
12318 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12320 * config/arm/constraints.md (c): Fix a typo.
12322 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12325 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12328 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12330 (_mm_mwait): Likewise.
12332 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12334 (sse3_monitor): Make it 32bit only.
12335 (sse3_monitor64): New. 64bit monitor.
12337 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12340 * config/i386/i386.c (classify_argument): Skip fields with invalid
12343 2006-05-07 Richard Guenther <rguenther@suse.de>
12345 PR tree-optimization/27409
12346 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12347 Do not try to find zero-sized subvars.
12349 2006-05-07 Richard Guenther <rguenther@suse.de>
12351 PR tree-optimization/27136
12352 * tree-ssa-loop-niter.c (get_val_for): Correct function
12353 comment, assert requirements.
12354 (loop_niter_by_eval): Stop processing if the iterated
12355 value did not simplify.
12357 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12359 * opts.c (flag_see): remove its setting at -O3.
12361 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12363 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12364 * arm/constraints.md: New file.
12365 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12366 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12367 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12368 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12369 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12370 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12371 * arm.md: Include constraints.md.
12372 (thumb_movsi_insn): Use satisfies_constraint_J.
12373 (movhi, movqi): Use satisfies_constraint_I.
12375 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12377 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12378 for atmeg a645 device.
12380 2006-05-06 Richard Guenther <rguenther@suse.de>
12382 PR tree-optimization/27151
12383 * tree-vect-transform.c (vectorizable_condition): Punt on
12384 values that have a different type than the condition.
12386 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12389 * c-parser.c (c_parser_cast_expression): Only insert casts into
12390 hash table if pointer.
12391 * function.c (used_types_insert_helper): Rename from
12393 (used_types_insert): Call used_types_insert_helper.
12394 * function.h (used_types_insert): Accept only one argument.
12396 2006-05-05 David Edelsohn <edesohn@gnu.org>
12398 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12399 scratch with output modifier.
12401 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12404 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12405 with output modifier.
12407 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12410 * config/mips/mips.c (mips_symbolic_address_p): Return true
12411 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12412 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12414 2006-05-04 Richard Guenther <rguenther@suse.de>
12416 PR tree-optimization/14287
12417 PR tree-optimization/14844
12418 PR tree-optimization/19792
12419 PR tree-optimization/21608
12420 PR tree-optimization/27090
12421 * tree-ssa-pre.c (try_combine_conversion): New function.
12422 (compute_avail): After constructing the value-handle
12423 expression, use try_combine_conversion to combine NOP_EXPRs
12424 with previous value-handle expressions and use the result if it
12427 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12429 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12431 2006-05-04 Jan Hubicka <jh@suse.cz>
12433 PR middle-end/25962
12434 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12436 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12438 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12439 that this only matches CONST_INTs. All users changed to VOIDmode
12442 * config/bfin/bfin.c: Include "optabs.h".
12443 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12445 (enum bfin_builtins): Add a number of fractional and vector builtins.
12446 (bfin_init_builtins): Likewise.
12447 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12448 (safe_vector_operand, bfin_expand_binop_builtin,
12449 bfin_expand_unop_builtin): New functions.
12450 (bfin_expand_builtin): Handle the new builtins.
12451 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12454 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12457 * Makefile.in (OBJS-common): Add see.o.
12458 (see.o): Add dependencies.
12459 * common.opt (fsee): New flag for the see optimization was added.
12460 * opts.c (flag_see): Initialized.
12461 * passes.c (init_optimization_passes, pass_see): New pass.
12462 * rtl.h (see_main): Declaration as extern.
12463 * timevar.def (TV_SEE): New.
12464 * tree-pass.h (pass_see): Declaration as extern.
12465 * invoke.texi (-fsee): Document.
12466 * recog.c (validate_simplify_insn): New function.
12467 * recog.h (validate_simplify_insn): Declaration as extern.
12468 * df-problems.c (df_chain_dump): Check for NULL.
12470 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12471 Daniel Berlin <dberlin@dberlin.org>
12473 * cfgrtl.c (insert_insn_bb_end_new): New function.
12474 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12476 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12478 * df.h (struct web_entry): Moved from web.c.
12479 (union_defs): Declaration as extern.
12480 (unionfind_root): Likewise.
12481 (unionfind_union): Likewise.
12482 * web.c (struct web_entry): Moved to df.h.
12483 (unionfind_root): Remove static declaration.
12484 (unionfind_union): Likewise.
12485 (union_defs): Likewise and generalize to use callback function.
12486 (web_main): Update arguments for union_defs function call.
12488 2006-05-04 Richard Guenther <rguenther@suse.de>
12490 PR tree-optimization/26447
12491 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12492 produce SSA_NAME copies before the store stmt to avoid
12493 breaking exception handling.
12495 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12497 PR middle-end/27388
12498 * gimplify.c (omp_is_private): If var is shared in some outer context,
12499 return false instead of true. Stop searching on parallel context
12502 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12505 * coverage.c: Use get_gcov_unsigned_t() instead of
12506 unsigned_type_node all over.
12508 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12510 PR tree-optimization/27381
12511 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12512 maintain the same immediate_use links.
12513 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
12514 node rather than segfaulting.
12516 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12519 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
12520 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
12521 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
12523 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
12525 Fix PR tree-optimization/26626
12526 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
12528 * tree-ssa-operands.c (access_can_touch_variable): Allow
12529 typecasting through union pointers.
12531 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12534 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
12535 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
12536 to find if var will be a global variable even in the nested context.
12537 (omp_copy_decl): Only check for global variable at the end, it might
12538 be overridden in outer contexts.
12539 (scan_sharing_clauses): For global variables don't create a field.
12540 (lower_rec_input_clauses): Do nothing for global shared variables.
12541 Emit a barrier at the end of ILIST if there were any decls in both
12542 firstprivate and lastprivate clauses.
12543 (lower_send_clauses): Do nothing for global variables except for
12546 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
12548 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
12549 of the correct signedness is returned.
12551 2006-05-02 Jeff Law <law@redhat.com>
12553 PR tree-optimization/27364
12554 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
12555 multiply expressions.
12557 2006-05-02 Tom Tromey <tromey@redhat.com>
12559 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
12561 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
12564 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
12565 -mthumb -fPIC are used.
12567 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
12568 Joshua Kinard <kumba@gentoo.org>
12571 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
12572 with 64-bit pointers.
12574 2006-05-02 Paul Brook <paul@codesourcery.com>
12576 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
12578 (create_fix_barrier): Check that a suitable barrier location is
12580 (arm_reorg): Include ftmp->address in allowable range of addresses.
12582 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
12585 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
12588 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12590 PR middle-end/27337
12591 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
12592 around RESULT_DECL for result passed by reference.
12593 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
12594 * omp-low.c (use_pointer_for_field): Don't look at
12595 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
12596 (scan_omp_1): Call remap_decl on RESULT_DECLs.
12597 (lower_rec_input_clauses): Don't allocate VLA memory for the second
12598 time or var for passing by reference for
12599 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
12600 TREE_ADDRESSABLE variables when passing by reference.
12602 * omp-low.c (dump_omp_region): Fix output formatting.
12604 PR middle-end/27328
12605 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
12606 (expand_omp_parallel): Likewise.
12607 * tree-cfg.c (move_sese_region_to_fn): Likewise.
12609 PR middle-end/27325
12610 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
12611 on statement list containing also constructors and destructors.
12612 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
12614 PR middle-end/27310
12615 * except.c (duplicate_eh_regions): Fix clearing of
12616 cfun->eh->region_array entries.
12618 2006-05-01 DJ Delorie <dj@redhat.com>
12620 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
12622 (gcc_cv_objdump): Likewise.
12623 * configure: Regenerated.
12625 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
12628 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
12629 templates for case 3 and 4.
12631 2006-05-01 DJ Delorie <dj@redhat.com>
12633 * vec.c: Include bconfig.h when appropriate.
12634 * Makefile.in (build/vec.o): Adjust dependencies.
12635 * mkconfig.sh: Make sure config.h isn't used for build machine
12638 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12640 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
12642 (mark_phi_for_rewrite): New function.
12643 (insert_phi_nodes_for, mark_use_interesting): Call
12644 mark_phi_for_rewrite.
12645 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
12646 (update_ssa): Initialize and free phis_to_rewrite.
12648 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12650 PR rtl-optimization/27291
12651 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
12652 folded to a constant.
12654 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12656 PR tree-optimization/27283
12657 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
12658 not whole # of iteration descriptions.
12659 (niter_for_exit): Return just # of iterations. Fail if # of iterations
12660 uses abnormal ssa name.
12661 (niter_for_single_dom_exit): Ditto.
12662 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
12663 return just the number of iterations.
12665 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12667 PR tree-optimization/27144
12668 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
12669 (record_estimate): Only record constant upper bound.
12670 (infer_loop_bounds_from_undefined): Call
12671 compute_estimated_nb_iterations just once.
12672 (proved_non_wrapping_p): Renamed to ...
12673 (n_of_executions_at_most): ... this. Expect bound to be a constant.
12674 (convert_step_widening, scev_probably_wraps_p): Call
12675 n_of_executions_at_most instead of proved_non_wrapping_p.
12676 (substitute_in_loop_info): Do not replace values in bounds.
12677 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
12680 2006-05-01 Richard Henderson <rth@redhat.com>
12683 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
12684 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
12687 2006-05-01 Roger Sayle <roger@eyesopen.com>
12689 * c-typeck.c (parser_build_binary_op): Don't call the function
12690 unsigned_conversion_warning to spot operand/result type overflow.
12691 (build_binary_op): Instead, call convert_and_check instead of
12692 convert to report the problem when the operands are promoted.
12693 * c-common.c (unsigned_conversion_warning): Make static.
12694 * c-common.h (unsigned_conversion_warning): Delete prototype.
12696 2006-05-01 Richard Guenther <rguenther@suse.de>
12698 PR tree-optimization/26726
12699 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
12701 (find_interesting_uses_address): ... we work around here
12702 by folding INDIRECT_REFs in the substituted base.
12704 2006-05-01 Diego Novillo <dnovillo@redhat.com>
12706 * omp-low.c (dump_omp_region): Add newlines.
12708 2006-04-30 Roger Sayle <roger@eyesopen.com>
12710 * common.opt (Woverflow): New command line option.
12711 * c-common.c (constant_expression_warning): Check warn_overflow.
12712 (overflow_waring): Pass OPT_Woverflow to warning.
12713 (unsigned_conversion_warning): Likewise.
12714 (convert_and_check): Likewise.
12715 * doc/invoke.texi: Document new command line option.
12717 2006-04-30 David Edelsohn <edelsohn@gnu.org>
12719 * config/rs6000/rs6000.c (rs6000_override_options): Enable
12720 TARGET_NO_FP_IN_TOC for section anchors.
12721 (optimization_options): Enable section anchors for all
12722 non-"Objective" languages.
12724 2006-04-28 Eric Christopher <echristo@apple.com>
12726 * config/darwin-c.c (darwin_ms_struct): Move this
12727 (darwin_set_default_type_attributes): and this...
12728 * config/darwin.c: ... here.
12729 * config/darwin.h (darwin_ms_struct): Declare.
12731 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
12733 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
12735 2006-04-28 Roger Sayle <roger@eyesopen.com>
12738 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
12739 (push_array_bounds): Delete prototype. Change BOUNDS argument to
12740 an unsigned HOST_WIDE_INT.
12741 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
12743 (really_start_incremental_init): No need to call convert because
12744 bitsize_zero_node is already of type bitsizetype.
12745 (push_init_level): Extract the value of constructor_index as an
12746 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
12747 (process_init_element): Likewise.
12749 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
12751 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
12752 value before passing to make_relative_prefix.
12754 2006-04-28 Alan Modra <amodra@bigpond.net.au>
12756 PR middle-end/27260
12757 * builtins.c (expand_builtin_memset): Expand val in original mode.
12759 2006-04-27 Eric Christopher <echristo@apple.com>
12761 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
12762 with #ifndef/#endif.
12763 * config/darwin-c.c (darwin_ms_struct): New.
12764 (darwin_pragma_ms_struct): Ditto.
12765 (darwin_set_default_type_attributes): Ditto.
12766 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
12767 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
12768 Register ms_struct pragma.
12769 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
12770 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
12771 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
12772 darwin_set_default_type_attributes if TARGET_MACHO.
12774 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
12776 PR tree-optimization/26854
12777 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
12778 * doc/tree-ssa.texi: Update immuse iterator documentation.
12779 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
12780 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
12781 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
12782 first_safe_imm_use, next_safe_imm_use): Remove.
12783 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
12784 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
12785 (move_use_after_head): New. Helper function to sort immuses in a stmt.
12786 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
12787 (first_imm_use_stmt): New. Get first stmt in an immuse list.
12788 (next_imm_use_stmt): New. Get next stmt in an immuse list.
12789 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
12790 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
12791 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
12792 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
12793 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
12794 (perfect_nestify): Use new iterator.
12795 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
12797 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
12798 (next_imm_name): New field in struct immediate_use_iterator_d.
12799 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
12800 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
12801 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
12802 * tree-cfg.c (replace_uses_by): Use new iterator.
12803 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
12804 * tree-ssa-operands.c (correct_use_link): Remove.
12805 (finalize_ssa_use_ops): No longer call correct_use_link.
12807 2006-04-27 Stuart Hastings <stuart@apple.com>
12809 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
12810 * config/t-darwin (crt3.o): Use it.
12811 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
12812 'pmode', use Pmode instead of SImode for SYMBOL_REF.
12813 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
12814 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
12815 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
12818 2006-04-27 Roger Sayle <roger@eyesopen.com>
12820 * expmed.c (store_fixed_bit_field): If we're not optimizing for
12821 size, force the intermediate into a new pseudo rather instead of
12822 performing both a bitwise AND and a bitwise IOR in memory.
12824 2006-04-27 Richard Guenther <rguenther@suse.de>
12826 PR rtl-optimization/26685
12827 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
12828 this one "max-flow-memory-locations".
12830 2006-04-27 Richard Guenther <rguenther@suse.de>
12832 PR tree-optimization/25148
12833 * tree-vrp.c (compare_values): Remove code dealing with
12834 comparisons against type min/max value. Honour overflow
12835 and negative constants in code dealing with comparisons
12836 of plus and minus expressions.
12837 (value_inside_range): Use fold_binary with LE_EXPR and
12838 GE_EXPR rather than compare_values.
12840 2006-04-27 Dirk Mueller <dmueller@suse.de>
12842 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
12845 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
12847 * basic-block.h (safe_insert_insn_on_edge): Removed.
12848 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
12850 2006-04-26 David Edelsohn <edelsohn@gnu.org>
12851 Paolo Bonzini <bonzini@gnu.org>
12853 PR middle-end/27282
12854 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
12855 (simplify_and_const_int): Same.
12857 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
12859 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
12861 2006-04-26 Jakub Jelinek <jakub@redhat.com>
12864 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
12865 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
12866 cgraph_global_info_ready.
12868 PR middle-end/26913
12869 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
12872 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
12873 either decl or init is error_mark_node.
12875 PR middle-end/25989
12876 * tree-flow.h (struct omp_region): Add sched_kind.
12877 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
12878 instead of extracting omp for data.
12879 (expand_omp_for): Save extracted sched_kind.
12881 2006-04-25 Roger Sayle <roger@eyesopen.com>
12883 * expmed.c (store_bit_field): Also check whether the bitsize is
12884 valid for the machine's "insv" instruction before moving the
12885 target into a pseudo for use with the insv.
12886 * config/i386/predicates.md (const8_operand): New predicate.
12887 * config/i386/i386.md (extv, extzv, insv): Use the new
12888 const8_operand predicate where appropriate.
12890 2006-04-25 DJ Delorie <dj@redhat.com>
12892 * doc/install.texi (Specific): Clarify that this is not a list of
12893 supported hosts or targets.
12895 2006-04-25 Richard Sandiford <richard@codesourcery.com>
12897 PR rtl-optimization/26725
12898 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
12899 block's BB_DIRTY flag.
12901 2006-04-25 Geoffrey Keating <geoffk@apple.com>
12903 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
12906 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
12907 to print an integer.
12909 2006-04-25 David Edelsohn <edelsohn@gnu.org>
12911 * varasm.c (align_variable): New function.
12912 (get_block_for_decl): Apply align_variable to DECL before
12913 calculating section information.
12914 (assemble_variable): Split out alignment computation.
12916 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
12918 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
12921 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
12923 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
12924 MODE_PARTIAL_INT mode.
12925 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
12926 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
12928 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
12929 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
12931 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
12933 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
12935 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
12936 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
12937 MACFLAG_IH): Likewise.
12938 (movstricthi_1): Renamed from "*movstricthi".
12939 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
12940 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
12941 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
12942 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
12943 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
12944 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
12945 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
12946 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
12947 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
12948 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
12949 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
12950 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
12951 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
12952 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
12953 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
12955 * doc/rtl.texi (ss_ashift): Improve wording.
12957 2006-04-24 Geoffrey Keating <geoffk@apple.com>
12959 * dwarf2out.c (verify_marks_clear): New.
12960 (prune_unused_types): Call verify_marks_clear initially, not
12963 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
12965 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
12966 * doc/rtl.texi: Document them.
12967 * simplify-rtx.c (simplify_unary_operation,
12968 simplify_binary_operation_1): Don't abort when we see them.
12970 2006-04-24 Mark Mitchell <mark@codesourcery.com>
12973 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12974 * configure.ac: Completely disregard languages that are not
12976 * configure: Regenerated.
12978 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12979 Richard Guenther <rguenther@suse.de>
12981 PR tree-optimization/27236
12982 * tree-inline.c (copy_body_r): Make sure to copy
12983 TREE_THIS_VOLATILE flag.
12985 2006-04-24 Richard Guenther <rguenther@suse.de>
12987 PR middle-end/26869
12988 * tree-complex.c (update_parameter_components): Don't handle
12989 unused parameters which have no default def.
12991 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12992 Richard Guenther <rguenther@suse.de>
12994 PR tree-optimization/27218
12995 * tree-inline.c (expand_call_inline): Strip useless type
12996 conversions for the return slot address.
12998 2006-04-24 Richard Guenther <rguenther@suse.de>
13000 * cfgloop.h (struct loops): Remove unused field array. Reorder
13002 (LOOP_PREFETCH): Remove.
13004 2006-04-24 Richard Guenther <rguenther@suse.de>
13006 PR tree-optimization/22525
13007 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
13008 variable, adjust types of generated expressions.
13010 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
13012 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
13013 (tree-vect-patterns.o): Likewise.
13014 (jump.o): Likewise.
13015 (cselib.o): Likewise.
13016 (loop-doloop.o): Likewise.
13017 (regclass.o): Likewise.
13018 (reload1.o): Likewise.
13019 (explow.o): Replace target.h with $(TARGET_H).
13020 (ipa-prop.o): Likewise.
13021 (ipa-cp.o): Likewise.
13022 (ipa-inline.o): Likewise.
13023 (reorg.o): Likewise.
13024 (reg-stack.o): Likewise.
13026 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13028 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13030 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13032 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13034 * configure.ac: Completely disregard languages that are not
13036 * configure: Regenerated.
13039 * c-common.h (c_build_bitfield_integer_type): Declare.
13040 * c-decl.c (c_build_bitfield_integer_type): Move to ...
13041 * c-common.c (c_build_bitfield_integer_type): ... here.
13043 2006-04-23 Roger Sayle <roger@eyesopen.com>
13046 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13047 a SImode SUBREG of a floating point register after no_new_pseudos.
13049 2006-04-23 Roger Sayle <roger@eyesopen.com>
13051 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13052 identify potentially eliminable registers to additionally catch
13053 VIRTUAL_INCOMING_ARGS_REGNUM.
13054 (addsi3): Update the conditions on when to use addsi_small_int.
13056 2006-04-23 Roger Sayle <roger@eyesopen.com>
13059 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13060 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13061 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13063 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13065 * fold-const.c (range_predecessor): Use operand_equal_p
13066 as the predicate for equality.
13067 (range_successor): Likewise.
13069 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13072 * config/soft-fp/op-common.h: Fix a typo.
13074 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
13076 PR libmudflap/26864
13077 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13078 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13080 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13082 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13084 * doc/tm.texi: Fix a typo.
13086 2006-04-21 Geoffrey Keating <geoffk@apple.com>
13088 * dwarf2out.c (struct die_struct): Document that die_sib makes
13089 a circular linked list.
13090 (FOR_EACH_CHILD): New.
13091 (reverse_die_lists): Delete.
13092 (reverse_all_dies): Delete.
13093 (add_dwarf_attr): Correct documentation.
13094 (remove_child_with_prev): New.
13095 (remove_child_TAG): Update for change to die_struct, use
13096 remove_child_with_prev.
13097 (add_child_die): Update for change to die_struct.
13098 (splice_child_die): Use remove_child_with_prev and add_child_die.
13099 (print_die): Use FOR_EACH_CHILD.
13100 (die_checksum): Likewise.
13101 (assign_symbol_names): Likewise.
13102 (output_location_lists): Likewise.
13103 (build_abbrev_table): Likewise.
13104 (calc_die_sizes): Likewise.
13105 (mark_dies): Likewise.
13106 (unmark_dies): Likewise.
13107 (unmark_all_dies): Likewise.
13108 (output_die): Likewise.
13109 (prune_unused_types_mark): Likewise.
13110 (prune_unused_types_walk): Likewise.
13111 (same_die_p): Update for change to die_struct.
13112 (break_out_includes): Likewise.
13113 (prune_unused_types_prune): Likewise.
13114 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13115 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13116 it's already clear.
13117 (dwarf2out_finish): Don't call reverse_all_dies.
13119 2006-04-21 Eric Christopher <echristo@apple.com>
13121 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13122 in comments and function names.
13124 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13127 * c-typeck.c (digest_init): Robustify.
13129 * c-typeck.c (pop_init_level): Simplify.
13131 2006-04-21 Steve Ellcey <sje@cup.hp.com>
13133 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13135 2006-04-21 Paul Brook <paul@codesourcery.com>
13137 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13138 hardware floating point.
13140 2006-04-21 David Edelsohn <edelsohn@gnu.org>
13142 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13145 2006-04-21 Nick Clifton <nickc@redhat.com>
13147 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13150 2006-04-21 Alan Modra <amodra@bigpond.net.au>
13153 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
13154 C++ lang type in traceback table for Objective-C++.
13156 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
13158 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
13160 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
13162 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13165 * tree-mudflap.c (mudflap_finish_file): Skip function when there
13166 were errors. Remove check for erroneous objects.
13168 2006-04-20 Jeff Law <law@redhat.com>
13170 PR tree-optimization/26854
13171 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
13172 checking for zero or one use.
13173 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
13174 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
13175 * tree-ssa-reassoc.c (negate_value): Similarly.
13176 (reassociate_bb): Similarly.
13178 2006-04-20 Jakub Jelinek <jakub@redhat.com>
13181 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
13182 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
13183 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
13185 2006-04-20 Alan Modra <amodra@bigpond.net.au>
13187 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
13188 fp regs if the last fp arg doesn't fit in regs.
13190 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
13193 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
13194 that the last insn has the REG_INC note.
13196 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
13197 Nathan Sidwell <nathan@codesourcery.com>
13200 * stor-layout.c (update_alignment_for_field): Do not align
13202 (place_union_field): Place union field at the start of the union.
13203 (place_field): Move ERROR_MARK check later, and use the current
13204 allocation position to maintain monotonicity.
13206 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
13208 * dominance.c: Include timevar.h.
13209 (calculate_dominance_info): Use TV_DOMINANCE.
13210 * timevar.def (TV_DOMINANCE): New timevar.
13211 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
13213 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13215 PR rtl-optimization/14261
13216 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
13217 move would be an INSV insn.
13218 (noce_process_if_block): Don't optimize if the destination is a
13219 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
13221 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13223 * config/s390/s390.md: Add comments with the instructions emitted
13224 by an insn pattern if macros are used.
13226 2006-04-19 Alan Modra <amodra@bigpond.net.au>
13228 PR rtl-optimization/26026
13229 * fold-const.c (fold_binary): Optimize div and mod where the divisor
13230 is a known power of two shifted left a variable amount.
13232 2006-04-18 Geoffrey Keating <geoffk@apple.com>
13234 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
13235 to hash table twice when the debug_str section has SECTION_MERGE.
13237 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
13239 * config/soft-fp: New directory. From glibc.
13240 * config/soft-fp/t-softfp: New.
13241 * config/soft-fp/README: New.
13242 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
13243 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
13244 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
13245 (LIBGCC_DEPS): Add $(SFP_MACHINE).
13246 * config.gcc: Use rs6000/t-fprules-fpbit or
13247 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
13249 * config/rs6000/sfp-machine.h: New. Based on glibc.
13250 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
13252 * config/rs6000/t-fprules: Remove fp-bit rules.
13253 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
13254 * config/rs6000/t-linux64: Likewise. Remove duplicates from
13255 LIB2FUNCS_EXTRA. Remove fp-bit rules.
13256 (softfp_wrap_start, softfp_wrap_end): New.
13258 2006-04-18 DJ Delorie <dj@redhat.com>
13260 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
13262 2006-04-18 Devang Patel <dpatel@apple.com>
13264 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
13266 2006-04-18 Nick Clifton <nickc@redhat.com>
13268 * config/sh/t-symbian: Add rule to build sh-c.o
13269 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
13270 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
13271 (sh_symbian_encode_section_info): Likewise.
13273 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
13275 * builtins.c (expand_builtin_strcmp): Cover label definition of
13276 do_libcall with HAVE_cmpstrnsi.
13278 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
13280 * function.c (temp_slots_at_level, max_slot_level): Use VEC
13282 * function.h (temp_slot_p): New.
13283 (function): Change the type of x_used_temp_slots to
13284 VEC(temp_slot_p,gc) *.
13286 2006-04-18 Nick Clifton <nickc@redhat.com>
13288 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
13289 flag_strength_reduce.
13291 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
13293 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13297 Partial revert of revision 112637
13298 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13299 Dale Johannesen <dalej@apple.com>
13302 * regclass.c (struct reg_pref): Update documentation.
13303 (regclass): Set prefclass to NO_REGS if memory is the best option.
13304 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13306 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13308 PR tree-optimization/26821
13309 * tree-ssa-math-opts.c (get_constant_one): New.
13310 (insert_reciprocals): Use it.
13312 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13314 * dwarf2out.c (free_AT): Delete.
13315 (remove_AT): Update string ref counts.
13316 (remove_child_TAG): Don't call free_die.
13317 (free_die): Delete.
13318 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13319 or DW_TAG_GNU_EINCL.
13320 (prune_unused_types_walk_attribs): Reset string refcounts.
13321 (prune_unused_types_update_strings): New.
13322 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13323 call free_die. Do call prune_unused_types_update_strings.
13324 (prune_unused_types): Empty debug_str_hash.
13326 2006-04-17 Roger Sayle <roger@eyesopen.com>
13328 * expr.c (expand_assignment): Optimize away no-op moves where the
13329 source and destination are equal and have no side-effects.
13331 2006-04-17 Richard Guenther <rguenther@suse.de>
13334 * reload.c (push_reload): Guard calls to get_secondary_mem
13335 for memory subregs.
13337 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13339 * alias.c (reg_base_value, old_reg_base_value): Change the
13340 type to VEC(rtx,gc) *.
13341 (REG_BASE_VALUE, find_base_value, record_set,
13342 init_alias_analysis): Use VEC instead of VARRAY.
13344 * alias.c (alias_sets): Change the type to
13345 VEC(alias_set_entry,gc) *.
13346 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13347 VEC instead of VARRAY.
13348 (last_alias_set): Remove.
13350 * cgraph.h (cgraph_edge_p): New.
13351 Update the prototype of cgraph_function_versioning.
13352 * cgraphunit.c (cgraph_copy_node_for_versioning,
13353 cgraph_function_versioning): Use VEC instead of VARRAY.
13354 * ipa-cp.c (ipcp_insert_stage): Likewise.
13356 2006-04-16 Roger Sayle <roger@eyesopen.com>
13359 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13360 "A op B" or "A op C", we may need to convert A to the type of B and C.
13362 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13364 * target.h (struct gcc_target): Add mode_rep_extended.
13365 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13366 (init_num_sign_bit_copies_in_rep): Initialize it using
13368 (truncate_to_mode): Use it.
13369 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13370 * targhooks.h (default_mode_rep_extended): Declare it.
13371 * targhooks.c (default_mode_rep_extended): Define it.
13372 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13373 default_mode_rep_extended.
13374 (TARGET_INITIALIZER): Include it.
13375 * doc/tm.texi (Misc): Document it.
13376 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13377 (mips_truncated_to_mode): New function.
13379 2006-04-16 Roger Sayle <roger@eyesopen.com>
13381 PR middle-end/25474
13382 * expr.c (compress_float_constant): Copy the narrow constant into
13383 a new pseudo before extending it to its final width.
13385 2006-04-16 Roger Sayle <roger@eyesopen.com>
13386 Andrew Pinski <pinskia@gcc.gnu.org>
13387 Dale Johannesen <dalej@apple.com>
13390 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13391 special case code to implement V8HImode and V16QImode with SSE2.
13393 2006-04-15 Roger Sayle <roger@eyesopen.com>
13395 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13396 trees are constructed with a suitable tree type.
13398 2006-04-15 Roger Sayle <roger@eyesopen.com>
13400 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13401 (integer_onep): Likewise.
13402 (integer_all_onesp): Likewise.
13403 (integer_pow2p): Likewise.
13404 (integer_nonzerop): Likewise.
13405 (real_zerop): Likewise.
13406 (real_onep): Likewise.
13407 (real_twop): Likewise.
13408 (real_minus_onep): Likewise.
13409 (int_size_in_bytes): Likewise.
13410 (host_integerp): Likewise.
13412 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13414 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13415 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13416 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13418 * tree-ssa-structalias.h (alias_info): Remove num_references.
13420 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13422 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13423 (output_bvb patterns): Likewise.
13424 * pa.c (output_bb): Use 'bb' insn for long branch case.
13425 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13426 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13427 1. Correct length operand for alternatives 1 and 2.
13428 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13429 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13431 2006-04-14 Roger Sayle <roger@eyesopen.com>
13433 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13434 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13435 were accidentally reverted by r112959.
13437 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13439 PR middle-end/26823
13440 * except.h (eh_region_outermost): New prototype.
13441 * except.c (eh_region_outermost): New function.
13442 * tree-cfg.c (find_outermost_region_in_block): Use it.
13444 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13446 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13448 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13449 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13450 (init_reload, reload): Use VEC instead of VARRAY.
13451 * reload.h: Update the prototype for
13452 reg_equiv_memory_loc_varray.
13454 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13455 Eric Botcazou <ebotcazou@libertysurf.fr>
13457 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13458 register save area.
13460 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13462 PR middle-end/27134
13463 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13464 to expand fallback builtin function call.
13466 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13468 PR middle-end/27095
13469 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13470 and emit libcall here in case the builtin fails.
13471 (expand_builtin_strcmp): Always emit the libcall here on failure.
13473 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13475 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13476 * flow.c (reg_n_info): Change the type to
13477 VEC(reg_info_p,heap) *.
13478 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13480 * regs.h (reg_info_p): New.
13481 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13482 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13483 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13486 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13488 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13490 * params.h (MAX_SCHED_READY_INSNS): New macro.
13491 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13492 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13493 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13494 the ready list for 1 cycle during the first scheduling pass.
13495 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13497 2006-04-13 Richard Henderson <rth@redhat.com>
13500 * gimple-low.c (lower_omp_directive): Remove dead code.
13501 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13502 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13503 * omp-low.c (struct omp_region): Move to tree-flow.h.
13504 (root_omp_region): Export.
13505 (omp_regions, lookup_omp_region): Remove.
13506 (determine_parallel_type): Update for struct omp_region changes.
13507 (dump_omp_region): Dump regions with block numbers.
13508 (new_omp_region): Take type and block instead of stmt; malloc
13510 (free_omp_region_1, free_omp_regions): New.
13511 (expand_parallel_call): Take entry_stmt as argument; update for
13512 changes to omp_region.
13513 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
13514 (remove_exit_barriers): New.
13515 (expand_omp_parallel): Update for struct omp_region changes.
13516 (expand_omp_synch): Likewise.
13517 (expand_omp): Likewise.
13518 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
13519 (expand_omp_for_static_chunk): Likewise.
13520 (expand_omp_for): Likewise.
13521 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
13522 (expand_omp_sections): Similarly, with GOMP_sections_end.
13523 (expand_omp_single): New.
13524 (build_omp_regions_1): Update for OMP_CONTINUE.
13525 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
13526 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
13527 OMP_SECTIONS_SECTIONS.
13528 (lower_omp_single_simple): Don't emit barrier here.
13529 (lower_omp_single_copy): Likewise.
13530 (lower_omp_single): Fix bindings, and lower to straightline now.
13531 (lower_omp_master, lower_omp_ordered): Likewise.
13532 (lower_omp_critical): Likewise.
13533 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
13534 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
13535 omp edges, free it afterward.
13536 (make_omp_sections_edges): Remove.
13537 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
13538 (move_stmt_r): Handle OMP_CONTINUE.
13539 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
13540 statement pointers to basic blocks. Add type member.
13541 (root_omp_region, new_omp_region, free_omp_regions): Declare.
13542 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
13543 * tree-inline.c (estimate_num_insns_1): Likewise.
13544 * tree-pretty-print.c (dump_generic_node): Likewise.
13545 * tree-ssa-operands.c (get_expr_operands): Likewise.
13546 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
13547 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
13548 (OMP_CONTINUE): New.
13549 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
13550 (OMP_SECTIONS_SECTIONS): Remove.
13551 (OMP_SECTION_LAST): New.
13552 (OMP_RETURN_NOWAIT): New.
13554 2006-04-13 Roger Sayle <roger@eyesopen.com>
13556 * fold-const.c (native_encode_vector, native_interpret_real):
13557 Correct obvious mistakes in the previous check-in.
13559 2006-04-13 Roger Sayle <roger@eyesopen.com>
13561 * fold-const.c (native_encode_expr): New function to encode
13562 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
13563 or VECTOR_CST into a specified buffer.
13564 (native_encode_int): New function.
13565 (native_encode_real): New function.
13566 (native_encode_complex): New function.
13567 (native_encode_vector): New function.
13568 (native_interpret_expr): Inverse of native_encode_expr to convert
13569 a target representation into an INTEGER_CST, REAL_CST etc...
13570 (native_interpret_int): New function.
13571 (native_interpret_real): New function.
13572 (native_interpret_complex): New function.
13573 (native_interpret_vector): New function.
13574 (fold_view_convert_expr): New function to constant fold/evaluate
13575 a VIEW_CONVERT_EXPR of a suitable constant expression.
13576 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
13577 Change call of build1 to fold_build1 when constructing a
13580 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
13581 Ulrich Weigand <uweigand@de.ibm.com>
13584 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
13587 2006-04-13 Alan Modra <amodra@bigpond.net.au>
13590 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
13591 optimize to lo_sum for DFmode if !TARGET_FPRS.
13593 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13595 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
13596 delete_alias_info, compute_flow_sensitive_aliasing,
13597 group_aliases): Use VEC instead of VARRAY.
13598 * tree-ssa-structalias.c (update_alias_info): Likewise.
13599 * tree-ssa-structalias.h (alias_info): Change the type of
13600 processed_ptrs to VEC(tree,heap) *.
13602 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
13605 * config/sh/lib1funcs.h: New file, broken out of:
13606 * config/sh/lib1funcs.asm.
13607 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
13609 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
13610 * config/sh/lib1funcs-Os-4-200.asm: New file.
13611 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
13612 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
13613 (EXTRA_MULTILIB_PARTS): Include it.
13614 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
13615 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
13616 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
13617 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
13620 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13622 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
13623 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
13624 tpa_compact, root_var_init, type_var_init): Use VEC instead of
13626 * tree-ssa-live.h: Include vecprim.h.
13627 (tree_partition_associator_d): Change the type of
13628 first_partition to VEC(int,heap) *.
13629 (tpa_first_partition): Use VEC instead of VARRAY.
13631 * Makefile.in (GTFILES): Move functions.h after tree.h.
13632 * function.c (reset_block_changes, record_block_change,
13633 check_block_change, free_block_changes): Use VEC instead of
13635 * function.h (function): Change the type of
13636 ib_boundaries_block to VEC(tree,gc) *.
13637 * tree-inline.c (copy_cfg_body): Initialize
13638 ib_boundaries_block to NULL instead of (varray_type) 0.
13640 2006-04-12 Roger Sayle <roger@eyesopen.com>
13642 * expr.c (emit_group_store): Correct operand order in call to
13643 subreg_lowpart_offset. Always create paradoxical SUBREGs with
13644 a SUBREG_BYTE of zero.
13646 2006-04-12 Richard Guenther <rguenther@suse.de>
13648 * profile.c (compute_branch_probabilities): Remove code
13649 encapsulated in !ir_type (), which are remanents of the
13650 removed RTL profiling code.
13651 * rtl-profile.c: Remove.
13653 2006-04-12 Alan Modra <amodra@bigpond.net.au>
13655 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
13656 magic NULL_RTX comment.
13657 (function_arg): Store entire fp arg to mem if any part should go
13659 (rs6000_arg_partial_bytes): Adjust for above change.
13661 2006-04-11 Roger Sayle <roger@eyesopen.com>
13663 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
13664 if it hasn't been initialized by dwarf2out_init.
13666 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
13668 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
13669 symbolic constants in branch patterns.
13671 2006-04-11 Roger Sayle <roger@eyesopen.com>
13673 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
13675 2006-04-11 Richard Sandiford <richard@codesourcery.com>
13677 PR rtl-optimization/27073
13678 * gcse.c (try_replace_reg): Revert last change. Continue to search
13679 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
13682 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
13684 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
13685 aggregate types other than record and union types.
13686 (function_arg): Likewise.
13687 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
13689 (function_value): In 64-bit mode, return objects that require it
13692 2006-04-11 Roger Sayle <roger@eyesopen.com>
13694 * dwarf2out.c (premark_used_types): Remove problematic prototype.
13696 2006-04-11 Jakub Jelinek <jakub@redhat.com>
13698 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
13700 2006-04-03 Jeff Law <law@redhat.com>
13703 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
13704 alias information too.
13706 2006-04-10 Mike Frysinger <vapier@gentoo.org>
13708 * Makefile.in (gcc-cross): Add $(exeext) to target name.
13710 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
13713 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
13714 (premark_used_types_helper): New.
13715 (premark_used_types): New.
13716 (gen_subprogram_die): Call premark_used_types.
13717 (prune_unused_types_walk): Do not prune perennial dies.
13718 * function.c (used_types_insert): New.
13719 * function.h (struct function): Add used_types_hash field.
13720 (used_types_insert): Add prototype.
13721 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
13722 * c-parser.c (c_parser_cast_expression): Save casted types in used
13725 2006-04-11 Mark Mitchell <mark@codesourcery.com>
13728 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
13729 rs6000_explicit_options.float_gprs.
13731 2006-04-10 Roger Sayle <roger@eyesopen.com>
13733 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
13734 from ix86_expand_vector_init_low_nonzero. Take an additional
13735 one_var argument indicating which element is non-zero. Support
13736 one_var != 0 for V4SFmode and V4SImode by permuting the result.
13737 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
13738 with one_var instead of ix86_expand_vector_init_low_nonzero.
13740 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
13742 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
13743 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
13744 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
13745 build/genextract.o): Depend on vecprim.h.
13746 * cfglayout.c, df-problems.c, function.c, genextract.c,
13747 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
13748 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
13752 2006-04-10 Geoffrey Keating <geoffk@apple.com>
13754 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
13755 Declare VECs of this type.
13756 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
13757 (remove_children): Delete.
13758 (add_dwarf_attr): Use VEC routines.
13759 (add_AT_flag): Update for changes to add_dwarf_attr.
13760 (add_AT_int): Likewise.
13761 (add_AT_unsigned): Likewise.
13762 (add_AT_long_long): Likewise.
13763 (add_AT_vec): Likewise.
13764 (add_AT_string): Likewise.
13765 (add_AT_die_ref): Likewise.
13766 (add_AT_fde_ref): Likewise.
13767 (add_AT_loc): Likewise.
13768 (add_AT_loc_list): Likewise.
13769 (add_AT_addr): Likewise.
13770 (add_AT_lbl_id): Likewise.
13771 (add_AT_lineptr): Likewise.
13772 (add_AT_macptr): Likewise.
13773 (add_AT_offset): Likewise.
13774 (add_AT_range_list): Likewise.
13775 (get_AT): Use VEC_iterate.
13776 (remove_AT): Use VEC_ordered_remove.
13777 (free_die): Fold remove_children into here; have it use VEC_iterate.
13778 (print_die): Use VEC_iterate on attrs.
13779 (reverse_die_lists): Don't reverse attr lists.
13780 (die_checksum): Use VEC_iterate on attrs.
13781 (same_die_p): Likewise.
13782 (output_location_lists): Likewise.
13783 (build_abbrev_table): Likewise.
13784 (size_of_die): Likewise.
13785 (unmark_all_dies): Likewise.
13786 (output_abbrev_section): Likewise.
13787 (output_die): Likewise.
13788 (prune_unused_types_walk_attribs): Likewise.
13790 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13792 * doc/install.texi (*-*-solaris2*): Point to the configure page.
13794 2006-04-10 Jakub Jelinek <jakub@redhat.com>
13797 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
13799 2006-04-09 Roger Sayle <roger@eyesopen.com>
13801 * expr.c (store_constructor): Don't bother clearing target if
13802 we're about to assign a vector to it using vec_init_optab.
13804 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
13806 * tree-ssa-alias.c (lhs_may_store_to): New function.
13807 (recalculate_used_alone): Handle LHS of calls.
13809 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13813 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
13814 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
13815 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
13816 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
13817 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
13818 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
13819 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
13820 stubs. Add ".align 8" directives before all ".dword" directives.
13821 (GTHREAD_USE_WEAK): Revise comment.
13822 (TARGET_ATTRIBUTE_WEAK): Define.
13823 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
13824 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
13825 * stublib.c: New file.
13830 * pa.md (cbranch patterns): Revise arguments used in calls to
13831 output_cbranch, output_bb and output_bvd. Add long branch length
13833 (fbranch patterns): Handle long branches.
13834 (jump): Revise length check. Revise arguments for output_lbranch call.
13835 Add long branch length attributes.
13836 (decrement_and_branch_until_zero): Add long branch length attributes.
13837 (output_movb, output_parallel_addb and output_parallel_movb patterns):
13838 Likewise. Revise arguments for output_parallel_addb and
13839 output_parallel_movb calls.
13840 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
13841 output_parallel_movb and output_parallel_addb): Update prototypes.
13842 * pa.c (output_cbranch): Revise arguments. Correct handling of
13843 nullification in long branches.
13844 (output_lbranch): Add new argument to control extraction of delay
13846 (output_bb): Handle long branches.
13847 (output_bvb, output_dbra, output_movb, output_parallel_movb,
13848 output_parallel_addb): Likewise.
13850 2006-04-09 Richard Sandiford <richard@codesourcery.com>
13852 PR rtl-optimization/27073
13853 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
13856 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
13858 * tree.h (tree_memory_tag): Add old_used_alone.
13859 (SMT_OLD_USED_ALONE): New macro.
13860 * tree-ssa-alias.c (recalculate_used_alone): Stop
13861 marking things for renaming unnecessarily.
13863 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
13865 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
13866 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
13867 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
13868 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
13869 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
13870 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
13871 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
13872 spelling convensions.
13873 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
13874 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
13875 typos. Follow spelling conventions.
13877 2006-04-07 DJ Delorie <dj@redhat.com>
13879 * config/m32c/m32c.c (m32c_function_arg): Structures are always
13880 passed on the stack.
13881 (m32c_init_cumulative_args): When a function returns a structure,
13882 always pass the pointer to that return area on the stack.
13883 (m32c_function_arg_advance): Don't increment the parameter number
13884 if we're processing the returned structure pointer.
13885 (pushm_info): Reverse order of registers.
13887 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
13889 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
13890 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13891 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
13892 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
13893 build_int_cst_type.
13894 * tree-chrec.c (chrec_fold_multiply_poly_poly,
13895 chrec_fold_multiply): Same.
13896 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
13897 force_expr_to_var_cost): Same.
13898 * tree-mudflap.c (mf_xform_derefs_1): Same.
13899 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
13901 2006-04-07 David Edelsohn <edelsohn@gnu.org>
13903 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
13904 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
13907 2006-04-07 Jan Hubicka <jh@suse.cz>
13909 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
13911 2006-04-07 Richard Guenther <rguenther@suse.de>
13913 PR tree-optimization/26135
13914 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
13915 loads for store copy-prop.
13916 (copy_prop_visit_stmt): Likewise.
13918 2006-04-05 Robert Millan <robertmh@gnu.org>
13920 * config/i386/linux.h: Add a comment to mark macros that are
13921 being overriden in config/k*bsd-gnu.h.
13922 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
13924 * config/knetbsd-gnu.h: Ditto.
13926 2006-04-06 Jan Hubicka <jh@suse.cz>
13930 * coverage.c (coverage_checksum_string): Reorganize loop to not read
13933 2006-04-06 Mike Stump <mrs@apple.com>
13935 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
13936 for HAVE_nonlocal_goto to be consistent.
13937 (expand_builtin_nonlocal_goto): Likewise.
13938 (expand_builtin_strcmp): Use #ifdef instead of #if
13939 for HAVE_cmpstrnsi to be consistent.
13941 2006-04-05 DJ Delorie <dj@redhat.com>
13943 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
13946 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
13948 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
13949 got-relative addressing for anything but SImode.
13951 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
13952 even if the calling function doesn't modify them.
13954 2006-04-05 Richard Guenther <rguenther@suse.de>
13956 PR tree-optimization/26919
13957 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
13958 to cgraph_estimate_size_after_inlining.
13960 2006-04-05 Alan Modra <amodra@bigpond.net.au>
13962 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
13964 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
13966 PR tree-optimization/26996
13967 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
13968 VECTOR_TYPE variables.
13970 2006-04-05 Richard Guenther <rguenther@suse.de>
13972 PR tree-optimization/26763
13973 * fold-const.c (fold_comparison): Move folding of
13974 PTR + CST CMP PTR + CST ...
13975 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
13977 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
13979 * doc/install.texi (Prerequisites): Refine some wording on
13980 bootstrapping and ksh.
13981 Move the version numbers of DejaGnu here from the testing section
13982 and fix casing of names.
13983 Fix markup and clarify wording for autogen requirements.
13984 Refer to GCJ instead of just java.
13985 Refer to SVN instead of CVS.
13986 Describe diffutils as useful instead of necessary.
13987 (Downloading the source): Refer to SVN instead of CVS.
13988 Adjust a link to our web site accordingly.
13989 (Configuration): Fix casing of Bison.
13990 (Building): Refer to SVN instead of CVS.
13991 Fix a sentence on the use of Bison and remove duplicate (and
13992 incorrect) version number of Bison requirement.
13993 Remove one redundant list of packages needed for building.
13994 (Specific): Avoid reference to CVS.
13996 2006-04-04 Eric Christopher <echristo@apple.com>
13998 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
13999 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
14000 (rs6000_handle_struct_attribute): New.
14001 (rs6000_ms_bitfield_layout_p): Ditto.
14003 2006-04-04 Geoffrey Keating <geoffk@apple.com>
14005 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
14006 NULL for dso parameter to atexit_common.
14008 2006-04-04 Eric Christopher <echristo@apple.com>
14010 * config/i386/i386.c (machopic_output_stub): Output \t
14011 between instructions and operands.
14013 2006-04-04 David Edelsohn <edelsohn@gnu.org>
14015 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
14016 satisfies_constraint_[IL] to explicit tests on value.
14018 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
14020 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14021 set_nb_iterations_in_loop): Use build_int_cst instead of
14022 build_int_cst_type.
14023 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14024 build_int_cst instead of convert.
14026 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
14028 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14029 new value 2 for incoming.
14030 * function.c (expand_function_start): Call struct_value_rtx
14031 with incoming as 2.
14032 * config/sparc/sparc.md: Comment updated_return.
14033 * config/sparc/sparc.opt: Add -mstd-struct-return option.
14034 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14035 struct return if sparc_std_struct_return and incoming is 2.
14036 (print_operand): Do not adjust return if
14037 sparc_std_struct_return.
14039 2006-04-04 Roger Sayle <roger@eyesopen.com>
14041 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14042 convert in the middle-end.
14043 * expr.c (store_expr, store_constructor, get_inner_reference,
14044 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14046 * tree.c (build_range_type): Likewise.
14048 2006-04-04 Tom Tromey <tromey@redhat.com>
14050 * doc/install.texi (Prerequisites): Mention jar.
14052 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
14054 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
14057 2006-04-04 Matthias Klose <doko@debian.org>
14059 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14063 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14066 2006-04-03 Geoffrey Keating <geoffk@apple.com>
14068 * doc/extend.texi (Function Attributes): Rewrite visibility
14069 attribute documentation.
14070 * doc/invoke.texi (C++ Dialect Options): Rewrite
14071 -fvisibility-inlines-hidden documentation to describe something
14072 entirely different, although in practise compatible.
14073 (Code Gen Options): Warn about system headers in -fvisibility=
14076 * doc/extend.texi (Other Builtins): Document that
14077 __builtin_nan is a compile-time constant only when its argument
14080 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
14082 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14083 trying to remove TRUNCATE check if all bits outside the new mode
14084 are identical to the sign bit.
14086 2006-04-03 Jeff Law <law@redhat.com>
14088 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14089 and operand scanning in some common cases.
14091 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14092 Dale Johannesen <dalej@apple.com>
14095 * regclass.c (struct reg_pref): Update documentation.
14096 (regclass): Set prefclass to NO_REGS if memory is the best option.
14097 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14098 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14099 into account. For non-registers, equate an empty preferred
14100 reload class to a `!' in the constraint; move the if clause to
14101 do so after those that reject the insn.
14102 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14104 (find_dummy_reload): Likewise.
14105 * doc/tm.texi (Register Classes): Document what it means
14106 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14107 * config/i386/i386.c (ix86_preferred_reload_class): Force
14108 using SSE registers (and return NO_REGS for floating-point
14109 constants) if math is done with SSE.
14110 (ix86_preferred_output_reload_class): New.
14111 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14112 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14113 * config/i386/i386.md: Remove # register preferences.
14115 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14118 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14119 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14120 the type of nb_iter.
14121 (instantiate_parameters_1): Convert the operands before calling
14122 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14123 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14125 2006-04-02 Roger Sayle <roger@eyesopen.com>
14127 * builtins.c (dummy_object): Use build_int_cst instead of convert.
14128 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14129 instead of convert.
14130 * dojump.c (do_jump): Likewise.
14131 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14132 * gimplify.c (gimple_boolify, gimplify_init_constructor,
14133 gimplify_boolean_expr): Likewise.
14134 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14135 * varasm.c (array_size_for_constructor): Likewise.
14136 * tree-object-size.c (compute_object_offset): Likewise.
14138 2006-04-02 Roger Sayle <roger@eyesopen.com>
14140 PR middle-end/26977
14141 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14142 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14144 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14146 PR tree-optimization/26939
14147 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14149 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14151 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
14152 at_stmt. Convert the type of operands before calling
14153 build_polynomial_chrec.
14154 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
14155 add_to_evolution_1.
14156 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
14157 (instantiate_parameters_1): Convert the type of operands before calling
14158 build_polynomial_chrec.
14159 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
14160 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
14161 reset_evolution_in_loop): Insert asserts to check the types of the
14163 (chrec_type): Moved...
14164 (eq_evolutions_p): Use operand_equal_p.
14165 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
14166 the types of the operands.
14167 (chrec_type): ...here.
14168 * tree-data-ref.c (create_data_ref): Convert the operands before
14169 calling chrec_replace_initial_condition.
14170 (same_access_functions, analyze_subscript_affine_affine,
14171 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
14172 (compute_subscript_distance, analyze_ziv_subscript,
14173 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
14174 analyze_miv_subscript): Convert the operands before calling
14175 chrec_fold_minus or chrec_fold_plus.
14177 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14179 * tree-data-ref.c (compute_all_dependences): Use a pointer to
14180 the dependence_relations vector.
14181 (compute_data_dependences_for_loop): Adjust call to
14182 compute_all_dependences.
14184 2006-04-01 Roger Sayle <roger@eyesopen.com>
14185 Richard Henderson <rth@redhat.com>
14187 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
14188 gimple_boolify on the condition before calling gimplify_expr.
14190 2006-03-31 Bob Wilson <bob.wilson@acm.org>
14192 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
14193 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
14194 the frame size. Update to use the new macros.
14195 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
14196 * config/xtensa/ieee754-df.S: Likewise.
14198 2006-03-31 Richard Henderson <rth@redhat.com>
14200 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
14201 (make_edges): ... here. Control fallthru creation with a local
14202 variable. Do not play with fake edges.
14203 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
14204 (make_goto_expr_edges): Don't play with fake edges. Make for_call
14207 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
14209 * dwarf2.h (DW64_CIE_ID): Define.
14210 * dwarf2out.c (DWARF_CIE_ID): Define.
14211 (output_call_frame_info): Output 0xffffffff before standard 8-byte
14212 length header. Use DWARF_CIE_ID.
14213 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
14214 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
14216 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
14218 * config/sh/linux-atomic.asm: New file.
14219 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
14221 2006-03-31 DJ Delorie <dj@redhat.com>
14223 * config/m32c/cond.md: Set condition flags properly throughout.
14224 * config/m32c/minmax.md: Likewise.
14225 * config/m32c/prologue.md: Likewise.
14226 * config/m32c/bitops.md: Likewise.
14227 * config/m32c/muldiv.md: Likewise.
14228 * config/m32c/mov.md: Likewise.
14229 * config/m32c/addsub.md: Likewise.
14230 * config/m32c/m32c.md: Likewise.
14231 * config/m32c/jump.md: Likewise.
14232 * config/m32c/shift.md: Likewise.
14234 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
14235 conditionally output the pattern for this.
14236 * config/m32c/m32c.c (flags_needed_for_conditional): New.
14237 (m32c_compare_redundant): New.
14238 (m32c_output_compare): New.
14239 * config/m32c/m32c-protos.h (m32c_output_compare): New.
14241 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
14242 dest, not src. Allow other 4-byte modes.
14244 2006-03-30 Denis Chertykov <denisc@overta.ru>
14246 * doc/md.texi: Refer to avr/constraints.md instead of
14249 2006-03-30 Roger Sayle <roger@eyesopen.com>
14251 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
14252 signed vs. unsigned comparison failures on some hosts.
14254 2006-03-31 Alan Modra <amodra@bigpond.net.au>
14257 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
14258 change to FLOAT_REGS.
14260 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
14261 (rs6000_override_options): Use it.
14262 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
14263 only for -mabi=spe/no-spe and -mabi=altivec.
14265 2006-03-30 Geoffrey Keating <geoffk@apple.com>
14267 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
14270 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
14272 * Makefile.in: Rename docdir to gcc_docdir.
14274 2006-03-30 Roger Sayle <roger@eyesopen.com>
14277 * expr.c (emit_group_store): Optimize group stores into a pseudo
14278 register by using a paradoxical subreg to initialize the destination
14279 if the first or last member of the group specifies a "low part".
14281 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14284 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
14285 * target.h (struct gcc_target.speculate_insn): Change type of the
14286 second parameter to 'int'.
14287 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
14288 the second operand of the DEPS_LIST.
14289 (copy_DEPS_LIST_list): Update reference to the second operand of the
14291 * rtl.h (alloc_DEPS_LIST): Update signature.
14292 * sched-int.h (ds_t): Change typedef to 'int'.
14293 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14295 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14297 * haifa-sched.c (try_ready): Change condition to restore
14298 non-speculative pattern of the instruction.
14299 (process_insn_depend_be_in_spec): Code to keep probability of the
14300 speculative dependence non-decreasing.
14302 2006-03-30 Jie Zhang <jie.zhang@analog.com>
14304 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14305 (single_move_for_movmem): ... this. Also change all uses.
14306 (bfin_expand_strmov): Renamed to...
14307 (bfin_expand_movmem): ... this. Also change all uses.
14308 * config/bfin/bfin.md (movstrsi): Renamed to...
14309 (movstrsi): ...this.
14311 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14313 PR tree-optimization/26830
14315 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14316 (copy_prop_visit_stmt): Remove write-only variable ann.
14317 (init_copy_prop): Check variable loop depth here. Do not simulate
14318 memory-tag and virtual operand PHIs except for store copy prop.
14320 2006-03-30 Richard Guenther <rguenther@suse.de>
14322 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14323 variants with double arguments.
14325 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14327 * genpreds.c (write_tm_constrs_h): Delete variable p.
14328 * genconditions.c (write_header): Add tm-constrs.h to included
14330 * genpeep.c (main): Add toplev.h to included headers.
14331 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14332 (build/genpeep.o): Add toplev.h dependency.
14333 * config/rs6000/constraints.md: Add "W" constraint.
14335 2006-03-29 Roger Sayle <roger@eyesopen.com>
14337 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14338 sizes by correctly testing whether the size fits a host integer.
14339 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14340 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14341 SImode range for the default sizetype and bitsizetype.
14343 2006-03-29 Roger Sayle <roger@eyesopen.com>
14345 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14346 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14347 quickly if the argument is already of the correct type.
14348 Call fold_build1 instead of build1. Tidy up blank lines.
14350 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14352 * genemit.c (main): Add tm-constrs.h to included headers.
14353 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14354 * genpeep.c (main): Add tm-constrs.h to included headers.
14355 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14356 (write_tm_constrs_h): this and write complete file.
14357 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14358 (write_insn_preds_c): Add tm-constrs.h to included headers.
14359 (gen_constrs): New variable.
14360 (parse_option): Parse "-c".
14361 (main): Invoke write_tm_constrs_h.
14362 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14363 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14364 (object_out_file): Add tm-constrs.h dependency.
14365 (insn-emit.o): Same.
14366 (insn-output.o): Same.
14367 (insn-peep.o): Same.
14368 (insn-preds.o): Same.
14369 (insn-recog.o): Same.
14370 (tm-constsr.h): New target.
14371 (s-constrs-h): New target.
14373 * config/rs6000/constraints.md: New file.
14374 * config/rs6000/rs6000.c: Include tm-constrs.h.
14375 (num_insn_constant_wide): Convert to satisfies_constraint.
14376 (rs6000_rtx_costs): Convert to satisfies_constraint.
14377 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14378 (CONST_OK_FOR_LETTER_P): Delete.
14379 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14380 (EXTRA_CONSTRAINT): Delete.
14381 (EXTRA_MEMORY_CONSTRAINT): Delete.
14382 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14383 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14384 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14385 satisfies_constraint.
14387 * config/i386/i386.c: Include tm-constrs.h.
14389 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14391 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14392 * tree-data-ref.c (find_data_references_in_loop,
14393 compute_data_dependences_for_loop): Use pointers to VEC.
14394 (analyze_all_data_dependences): Adjust calls.
14395 * tree-data-ref.h (find_data_references_in_loop,
14396 compute_data_dependences_for_loop): Adjust declarations.
14397 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14398 compute_data_dependences_for_loop.
14400 2006-03-29 Paul Brook <paul@codesourcery.com>
14402 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14403 (movdf_vfp): Ditto.
14405 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14407 PR tree-optimization/26859
14408 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14410 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14411 for the step after fold_convert.
14413 2006-03-29 Paul Brook <paul@codesourcery.com>
14415 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14416 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14418 2006-03-29 Paul Brook <paul@codesourcery.com>
14420 PR middle-end/23623
14421 * targhooks.c (default_narrow_bitfield): New fuction.
14422 * targhooks.h (default_narrow_bitfield): add prototype.
14423 * target.h (gcc_target): Add narrow_volatile_bitfield.
14424 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14425 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14426 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14427 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14429 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14431 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14433 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14434 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14435 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14436 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14437 (s390_function_arg_float): Allow SDmode and DDmode values to be
14438 passed in floating point registers.
14439 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14440 check with SCALAR_FLOAT_MODE_P.
14441 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14443 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14445 PR tree-optimization/25985
14446 * tree-ssa-loop-niter.c (number_of_iterations_le,
14447 number_of_iterations_ne): Make comments more precise.
14448 (number_of_iterations_cond): Add only_exit argument. Use the
14449 fact that signed variables do not overflow only when only_exit
14451 (loop_only_exit_p): New.
14452 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14453 number_of_iterations_cond.
14455 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14457 PR tree-optimization/26643
14458 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14461 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14463 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14464 (divsi3_i4_int): Likewise.
14466 2006-03-28 Roger Sayle <roger@eyesopen.com>
14468 * expr.c (emit_group_store): Only create a new pseudo reg if the
14469 quantity it needs to hold isn't already a suitable pseudo.
14471 2006-03-28 Jeff Law <law@redhat.com>
14473 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14474 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14476 2006-03-28 Roger Sayle <roger@eyesopen.com>
14478 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14479 the equivalent ~X & Y, and the symmetry related transformations.
14480 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14481 ~X & Y, and symmetry related transforms.
14483 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14485 Revert my 2006-03-27 patches.
14487 2006-03-28 Roger Sayle <roger@eyesopen.com>
14489 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14490 ~(T1)X, when T1 and T2 are integer types of the same precision
14491 and (T2)X isn't an extension.
14493 2006-03-28 Jeff Law <law@redhat.com>
14495 PR tree-optimization/26796
14496 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14497 need EH edge cleanups rather than purging them immediately.
14498 (eliminate_degenerate_phis): Handle queued EH cleanups.
14500 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14502 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14505 2006-03-27 Roger Sayle <roger@eyesopen.com>
14507 PR middle-end/22524
14508 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14509 cast BIT_NOT_EXPR operand to the correct type.
14511 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
14513 * tree-loop-linear.c: Don't include varray.h.
14514 (gather_interchange_stats, try_interchange_loops,
14515 linear_transform_loops): Use VEC instead of VARRAY.
14516 * lambda-mat.c: Don't include varray.h.
14517 * tree-chrec.c: Same.
14518 * lambda-trans.c: Same.
14519 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
14520 VEC instead of VARRAY.
14521 * tree-vectorizer.h: Idem.
14522 * tree-data-ref.c (dump_data_references,
14523 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14524 initialize_data_dependence_relation, finalize_ddr_dependent,
14525 compute_all_dependences, find_data_references_in_loop,
14526 compute_data_dependences_for_loop, analyze_all_data_dependences,
14527 free_dependence_relation, free_dependence_relations,
14528 free_data_refs): Idem.
14529 * tree-data-ref.h (data_reference_p, subscript_p): New.
14530 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
14531 VEC instead of VARRAY.
14532 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
14533 (find_data_references_in_loop, compute_data_dependences_for_loop,
14534 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
14535 dump_data_dependence_relations, free_dependence_relations,
14536 free_data_refs): Adjust declaration.
14537 (lambda_transform_legal_p): Move declaration here...
14538 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
14539 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
14540 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
14541 vect_analyze_data_refs): Use VEC instead of VARRAY.
14542 * lambda.h (lambda_transform_legal_p): ...from here.
14543 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
14544 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
14545 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
14546 tree-chrec.o): Don't depend on VARRAY_H.
14548 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14550 * rtl.def (Copyright): Update date.
14551 (DEPS_LIST): Change type of the second operand to 'int'.
14552 * target.h (Copyright): Update date.
14553 (struct gcc_target.speculate_insn): Change type of the second parameter
14555 * lists.c (Copyright): Update date.
14556 (alloc_DEPS_LIST): Change signature. Update reference to the second
14557 operand of the DEPS_LIST.
14558 (copy_DEPS_LIST_list): Update reference to the second operand of the
14560 * rtl.h (Copyright): Update date.
14561 (alloc_DEPS_LIST): Update signature.
14562 * sched-int.h (Copyright): Update date.
14563 (ds_t): Change typedef to 'int'.
14564 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14566 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14568 * haifa-sched.c (Copyright): Update date.
14569 (try_ready): Change condition to restore non-speculative pattern
14570 of the instruction.
14571 (process_insn_depend_be_in_spec): Code to keep probability of the
14572 speculative dependence non-decreasing.
14574 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
14576 * regrename.c (replace_oldest_value_addr): Initialize a variable to
14577 shut up the compiler.
14579 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
14581 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
14582 to use lib prefix for target.
14583 ($(T)libic_invalidate_array_4-200.a): Likewise.
14584 ($(T)libic_invalidate_array_4a.a): Likewise.
14586 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
14587 J"orn Rennecke <joern.rennecke@st.com>
14589 * superh.opt: New file.
14590 * sh.c (boardtype, osruntime): Remove.
14591 * superh.h (SUBTARGET_OPTIONS): Remove.
14592 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
14594 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
14595 arguments with ^ and/or [].
14597 * config.gcc (sh-*-*): Add quoting to account for quirk of
14599 Replace == with = in enable_incomplete_targets test.
14601 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
14602 with MASK_LITTLE_ENDIAN.
14604 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
14605 * config/sh/sh.opt: Added to some comments.
14606 * config/sh/superh.h: Removed some chaff.
14608 * config/sh/sh.opt: Add m4-[1234]00* options.
14609 * config/sh/sh.c (sh_handle_option): Likewise.
14610 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
14611 (ic_invalidate_array_4-100.o): New rule.
14612 ($(T)libic_invalidate_array_4-100.a): Likewise.
14613 (ic_invalidate_array_4-200.o): Likewise.
14614 ($(T)libic_invalidate_array_4-200.a): Likewise.
14615 (ic_invalidate_array_4a.o): Likewise.
14616 ($(T)libic_invalidate_array_4a.a): Likewise.
14617 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
14618 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
14620 * config/sh/crt1.asm: Merged in profiling code.
14621 * config/sh/superh.h (STARTFILE_SPEC): Override.
14622 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
14623 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
14624 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
14626 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
14627 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
14628 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
14630 * sh.opt (mpretend-cmove): New option.
14631 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
14632 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
14633 (movsicc): Add TARGET_PRETEND_CMOVE code.
14635 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
14637 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
14638 s390_class_max_nregs): New function prototypes.
14639 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
14640 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
14641 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
14642 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
14644 2006-03-26 Geoffrey Keating <geoffk@apple.com>
14646 * dwarf2out.c (add_location_or_const_value_attribute): Call
14647 tree_add_const_value_attribute if nothing else works.
14648 (reference_to_unused): New.
14649 (rtl_for_decl_init): Use reference_to_unused to decide whether
14650 to output an initializer.
14652 2006-03-27 Alan Modra <amodra@bigpond.net.au>
14655 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
14656 peephole removing spe frob_di_df_2.
14658 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
14660 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
14661 (subscript_dependence_tester_1): Declared.
14662 (print_dir_vectors, print_dist_vectors): New.
14663 (debug_data_dependence_relation): New.
14664 (dump_data_dependence_relation): Print more details.
14665 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
14666 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
14667 (save_dist_v, save_dir_v, add_outer_distances,
14668 build_classic_dist_vector_1): New.
14669 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
14670 Don't test for lambda_vector_lexico_pos.
14671 (same_access_functions, add_multivariate_self_dist,
14672 add_other_self_distances, dir_from_dist): New.
14673 (build_classic_dir_vector): Replace implementation almost identical to
14674 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
14676 (subscript_dependence_tester_1): New.
14677 (subscript_dependence_tester): Handle the lexicographically negative
14678 distance vectors by recomputing the dependence relation.
14679 (compute_affine_dependence): Remove parameter loop_nest_depth.
14680 (compute_self_dependence): Don't call compute_subscript_distance.
14681 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
14682 Add a parameter for the loop_nest.
14683 (find_loop_nest_1, find_loop_nest): New.
14684 (compute_data_dependences_for_loop): Compute the loop nest, and give
14685 up if the nest is not well formed.
14686 * tree-data-ref.h (loop_p): New.
14687 (struct data_dependence_relation): Replace size_vect field with
14688 loop_nest, a vec of loops.
14689 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
14690 (DDR_LOOP_NEST): New.
14691 (print_dir_vectors, print_dist_vectors,
14692 debug_data_dependence_relation): Declared.
14693 (index_in_loop_nest): New.
14694 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
14695 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
14698 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
14700 * simplify-rtx.c (simplify_relational_operation): Call
14701 simplify_relational_operation_1 even if mode is VOIDmode.
14703 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
14705 PR tree-optimization/26804
14706 * tree.h (DECL_CALL_CLOBBERED): New macro.
14707 (tree_decl_common): Add call_clobbered_flag.
14708 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
14709 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
14710 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
14711 (mark_non_addressable): Ditto.
14712 * tree-ssa.c (verify_call_clobbered): New function.
14713 (verify_alias_info): Use it.
14714 * tree-pass.h (pass_reset_cc_flags): New prototype.
14715 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
14716 (reset_cc_flags): New function.
14717 * passes.c (init_optimization_passes): Call reset_cc_flags after
14718 initializing referenced_vars.
14720 2006-03-25 Uros Bizjak <uros@kss-loka.si>
14721 Roger Sayle <roger@eyesopen.com>
14723 PR middle-end/26717
14724 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
14725 to 1.0 for non-real operands. Implement A / A optimization for
14728 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
14730 * config/i386/i386.c (size_cost): Correct the comment for
14731 cost of storing fp registers.
14732 (i386_cost): Likewise.
14733 (i486_cost): Likewise.
14734 (pentium_cost): Likewise.
14735 (pentiumpro_cost): Likewise.
14736 (k6_cost): Likewise.
14737 (athlon_cost): Likewise.
14738 (k8_cost): Likewise.
14739 (pentium4_cost): Likewise.
14740 (nocona_cost): Likewise.
14741 (generic64_cost): Likewise.
14742 (generic32_cost): Likewise.
14744 2006-03-24 Denis Chertykov <denisc@overta.ru>
14746 * config/avr/avr-protos.h (extra_constraint): Delete.
14747 (extra_constraint_Q): New declaration.
14748 * config/avr/constraints.md: New file.
14749 * config/avr/avr.md: Include it.
14750 (REG_X, REG_Y, REG_Z, REG_W): New constants.
14751 (TMP_REGNO, ZERO_REGNO): Likewise.
14752 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
14753 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
14754 (extra_constraint): Delete.
14755 (extra_constraint_Q): Test for memory constraint 'Q'.
14756 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
14757 (REG_CLASS_FROM_LETTER): Delete.
14758 (CONST_OK_FOR_LETTER_P): Delete.
14759 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14760 (EXTRA_CONSTRAINT): Delete.
14761 (TMP_REGNO): Delete.
14762 (ZERO_REGNO): Delete.
14764 2006-03-24 Jeff Law <law@redhat.com>
14766 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
14767 directly. Call mark_new_vars_to_rename slightly earlier.
14769 2006-03-24 Geoffrey Keating <geoffk@apple.com>
14771 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
14772 (is_cxx): Likewise.
14773 (gen_compile_unit_die): Use new language types for Objective-C and
14775 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
14776 DW_LANG_C_plus_plus.
14779 * config/t-darwin (crt3.o): Work around bug 26840.
14780 * config/darwin-crt3.c: Rewrite.
14781 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
14783 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
14785 * doc/invoke.texi: Document -femit-class-debug-always
14786 * common.opt: Add -femit-class-debug-always.
14788 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
14790 * config/s390/s390.c (s390_decompose_address): Allow SImode for
14791 index and base register.
14792 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
14793 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
14794 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
14795 REGNO_OK_FOR_INDEX_P.
14796 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
14798 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
14799 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
14800 REG_OK_FOR_BASE_P): Definitions removed.
14802 2006-03-24 Jakub Jelinek <jakub@redhat.com>
14804 PR middle-end/26611
14805 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
14806 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
14807 set yet or weren't marked as local yet.
14809 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
14811 * regrename.c (scan_rtx_address): Initialize a variable to shut up
14814 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
14816 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
14817 (rs6000_legitimate_small_data_p): Delete.
14818 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
14819 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
14820 and make static. Add forward declaration. Update uses.
14821 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
14822 of offsettable_memref_p.
14823 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
14824 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
14826 2006-03-24 Jeff Law <law@redhat.com>
14828 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
14829 around bug in immediate-use iterator.
14831 2006-03-24 Alan Modra <amodra@bigpond.net.au>
14834 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
14835 or __LITTLE_ENDIAN__.
14837 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
14839 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
14840 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
14841 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
14842 * config/sh/sh.opt (mdiv=): Amend description.
14843 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
14844 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
14845 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
14846 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
14847 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
14848 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
14849 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
14850 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
14851 TARGET_DIVIDE_CALL_FP.
14853 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14855 * haifa-sched.c (choose_ready): Fix type of the local variable.
14856 Move local variables. Add comment.
14857 (check_reg_live): Change signature. Make callable from debugger.
14858 * sched-int.h (check_reg_live): Update signature.
14859 * sched-ebb.c (check_reg_live): Update parameters.
14860 * sched-rgn.c (check_reg_live): Ditto.
14861 (region_head_or_leaf_p): Check pointer before dereferencing.
14862 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
14863 before reload on optimization levels below 1.
14865 2006-03-23 Richard Henderson <rth@redhat.com>
14867 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
14871 * config/alpha/predicates.md (local_symbolic_operand): Reject
14874 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
14877 * tree-ssa-pre.c (create_value_expr_from): Don't reject
14878 expressions which have overflowed constants.
14880 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14882 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
14884 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14886 * cfgloopmanip.c (create_loop_notes): Removed.
14887 * final.c (final_scan_insn): Do not handle loop notes.
14888 * jump.c (squeeze_notes): Ditto.
14889 * cfglayout.c (skip_insns_after_block,
14890 duplicate_insn_chain): Ditto.
14891 * cfgcleanup.c (rest_of_handle_jump2): Do not call
14893 * cfgloop.h (create_loop_notes): Declaration removed.
14895 2006-03-23 Richard Sandiford <richard@codesourcery.com>
14897 * varasm.c (output_constant_pool): Restore fnname and fndecl
14899 (assemble_start_function): Adjust call accordingly.
14900 (assemble_end_function): Likewise.
14902 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14905 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
14908 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
14910 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14913 * system.h (ICE_EXIT_CODE): New macro.
14914 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
14915 (diagnostic_action_after_output): Likewise.
14916 * gcc.c (fatal_ice): New function.
14917 (execute): Use it instead of fatal.
14918 (fancy_abort): Likewise.
14919 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
14921 2006-03-22 Jeff Law <law@redhat.com>
14923 * loop-unroll.c (analyze_iv_to_split_insn): Handle
14924 iv_analyze_result returning false.
14926 2006-03-22 Jie Zhang <jie.zhang@analog.com>
14928 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
14930 2006-03-22 Richard Henderson <rth@redhat.com>
14932 PR middle-end/26084
14933 * except.c (duplicate_eh_regions_0): New.
14934 (duplicate_eh_region_1): Duplicate the children of the node as
14935 well as the node itself. Link them up properly.
14936 (duplicate_eh_region_2): Merge into ...
14937 (duplicate_eh_regions): ... here. Take copy_region argument, and
14938 copy only a sub-tree if asked. Simplify copying and fixup.
14939 (eh_region_outer_p): New.
14940 * except.h (duplicate_eh_regions): Update decl.
14941 (eh_region_outer_p): Declare.
14942 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
14943 (lower_omp_master): Likewise.
14944 (lower_omp_ordered): Likewise.
14945 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
14946 (move_stmt_r): Use it to remap labels. Handle recursion vs
14947 remap_decls_p properly.
14948 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
14949 (find_outermost_region_in_block): New.
14950 (new_label_mapper): New.
14951 (move_sese_region_to_fn): Copy eh information to the new function
14953 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
14955 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
14958 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14960 * doc/md.texi (-mshared): Mention that -mshared code can be linked
14961 into shared libraries.
14963 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14965 * doc/md.texi: Refer to i386/constraints.md instead of
14966 i386/predicates.md.
14967 * config/i386/constraints.md: New file, extracted from...
14968 * config/i386/predicates.md: ...here.
14969 * config/i386/i386.md: Include constraints.md.
14971 2006-03-21 Jason Merrill <jason@redhat.com>
14973 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
14975 PR middle-end/20297
14976 * expr.c (init_block_move_fn): Force default visibility.
14977 (init_block_clear_fn): Likewise.
14978 * builtins.c (expand_builtin_fork_or_exec): Likewise.
14979 * targhooks.c (default_external_stack_protect_fail): Likewise.
14981 2006-03-21 Richard Sandiford <richard@codesourcery.com>
14983 * config/mips/predicates.md (const_call_insn_operand): Allow direct
14984 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
14985 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
14986 Use TARGET_OLDABI instead of !TARGET_NEWABI.
14987 (loadgp): Use mips_current_loadgp_style.
14988 (loadgp_noshared): New pattern.
14989 (sibcall_internal): Use MIPS_CALL.
14990 (sibcall_value_internal): Likewise.
14991 (sibcall_value_multiple_internal): Likewise.
14992 (call_internal): Likewise.
14993 (call_value_internal): Likewise.
14994 (call_value_multiple_internal): Likewise.
14995 (call_split): Use MIPS_CALL and add an 'S' constraint.
14996 (call_value_split): Likewise.
14997 (call_value_multiple_split): Likewise.
14998 * config/mips/mips.opt (-mabicalls): Tweak docstring.
14999 (-mshared): New option.
15000 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
15001 (mips_current_loadgp_style): Declare.
15002 * config/mips/mips.c (mips_classify_symbol): Avoid using
15003 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
15004 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
15005 TARGET_ABSOLUTE_ABICALLS.
15006 (override_options): Adjust comments. Improve the warning that is
15007 issued when -mabicalls and -G are used together.
15008 (mips_file_start): Remove comment.
15009 (mips_current_loadgp_style): New function.
15010 (mips_gnu_local_gp): New variable.
15011 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
15013 (mips_output_function_prologue): Use mips_current_laodgp_style.
15014 (mips_expand_prologue): Call mips_emit_loadgp before emitting
15015 the cprestore instruction.
15016 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
15017 live for TARGET_ABSOLUTE_ABICALLS.
15018 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
15019 (ASM_SPEC): Pass down -mshared and -mno-shared.
15020 (MIPS_CALL): New macro.
15021 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15023 * doc/invoke.texi (-mabicalls): Update documentation.
15024 (-mshared): Document.
15026 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15028 * config/ia64/unwind-hpux.c: New file.
15029 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15031 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15034 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15036 2006-03-21 Jeff Law <law@redhat.com>
15038 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15039 type conversions of a VR_VARYING source to a wider type.
15041 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15043 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15044 tm_file on Solaris 10 and later.
15045 (sparc64-*-solaris2*): Likewise.
15046 (sparc-*-solaris2*): Likewise.
15047 * config/sol26.h: Rename to config/sol2-6.h.
15048 * config/sol2-10.h: New file.
15050 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
15053 * tree-ssa-pre.c (create_component_ref_by_pieces):
15056 2006-03-21 Jakub Jelinek <jakub@redhat.com>
15059 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
15060 return it immediately.
15062 2006-03-21 Michael Matz <matz@suse.de>
15064 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
15066 (remove_arc, add_arc): Update num_out_arcs member.
15067 (set_out_arc_insns_equiv_num): Returns nothing instead of number
15069 (cache_presence): New function.
15070 (compare_states_for_equiv): New function.
15071 (state_is_differed): Don't take number of outargs, adjust callers.
15072 Use new invariant for speeding up.
15073 (init_equiv_class): Create initial classes based on sorted
15075 (partition_equiv_class): Don't track out_arcs_num.
15076 (evaluate_equiv_classes): Call cache_presence on all states and
15079 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
15081 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15082 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15083 (bfin_valid_reg_p): Test for pseudos explicitly and use only
15084 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
15086 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15087 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15088 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15089 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15090 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15092 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15093 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15094 (REGNO_REG_CLASS): ARGP is in PREGS.
15095 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15097 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15098 to deal with those addresses.
15099 * addresses.h: New file.
15100 * caller-save.c: Include "addresses.h".
15101 (init_caller_save): Use new base_reg_class function.
15102 * rtl-factoring.c: Include "addresses.h".
15103 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15104 * recog.c: Include "addresses.h".
15105 (preprocess_constraints): Use new base_reg_class function.
15106 * regrename.c: Include "addresses.h".
15107 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15108 functions. Keep track of a new var INDEX_CODE to compute valid
15110 (replace_oldest_value_addr): Likewise.
15111 (replace_oldest_value_mem): Use base_reg_class.
15112 * reload.c: Include "addresses.h".
15113 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15114 (find_reloads): Use new base_reg_class function.
15115 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15116 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15117 all callers and prototype changed.
15118 * reload1.c: Include "addresses.h".
15119 (maybe_fix_stack_asms): Use base_reg_class.
15120 * regclass.c: Include "addresses.h".
15121 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15122 (init_reg_autoinc): Use new base_reg_class function.
15123 (record_reg_classes): Likewise.
15124 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15125 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
15126 Use new args to compute necessary class.
15128 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15129 regrename.o, rtl-factoring.o): Update dependencies.
15130 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15131 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15132 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15133 REG_OK_FOR_INDEX_P): Delete documentation.
15135 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
15137 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15138 from V7 to V9 for Solaris 7 and above.
15140 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
15142 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15143 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15144 argument pointers may not alias any other storage.
15145 * common.opt: Define option -fargument-noalias-anything.
15146 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15147 alias semantics is specified by flag_argument_noalias > 2.
15149 2006-03-20 Jeff Law <law@redhat.com>
15151 * tree-pass.h (pass_phi_only_copy_prop): Delete.
15152 (pass_phi_only_cprop): Declare.
15153 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
15154 with phi_only_cprop
15155 * tree-ssa-dom.c (degenerate_phi_result): New function.
15156 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
15157 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
15158 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
15159 (eliminate_degenerate_phis): Likewise.
15160 (pass_phi_only_cprop): New pass descriptor.
15161 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
15162 support code. Callers updated.
15163 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
15164 (store_copy_prop): Likewise.
15165 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
15167 2006-03-20 Jason Merrill <jason@redhat.com>
15170 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
15171 (push_visibility, pop_visibility): Likewise.
15172 * c-pragma.h: Declare them.
15174 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
15176 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
15178 * config/sh/sh.c (find_regmode_weight): Change the type of the first
15179 parameter and use get_ebb_head_tail.
15180 (sh_md_init_global): Adjust uses of find_regmode_weight.
15182 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
15184 * function.h (struct function) <x_tail_recursion_reentry>:
15185 Rename to x_stack_check_probe_note.
15186 (tail_recursion_reentry): Rename to stack_check_probe_note.
15187 * function.c: Replace tail_recursion_reentry with
15188 stack_check_probe_note everywhere.
15189 (expand_function_start): Only emit a note for
15190 stack_check_probe_note with -fstack-protect.
15191 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
15193 * emit-rtl.c (remove_unnecessary_notes): Remove.
15194 (pass_remove_unnecessary_notes): Remove.
15195 * rtl.h (remove_unnecessary_notes): Remove prototype.
15196 * final.c (final_start_function): Don't call remove_unnecessary_notes.
15197 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
15198 * passes.c (pass_remove_unnecessary_notes): Don't run it.
15200 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
15203 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
15204 (valid_in_set): Handle ARRAY_REF.
15205 Change "if min_variant or VH" to asserts.
15206 (create_component_ref_by_pieces): Handle ARRAY_REF.
15207 (create_expression_by_pieces): Likewise.
15208 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
15210 2006-03-20 David Edelsohn <edelsohn@gnu.org>
15212 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
15213 is operand of switch, not str[0].
15215 2006-03-20 Alan Modra <amodra@bigpond.net.au>
15217 * config/rs6000/rs6000.c (rs6000_handle_option): Use
15218 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
15220 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15222 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
15223 end of insn_extra_address_constraint declaration.
15225 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15227 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
15228 (no-sum-in-toc): Same.
15229 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
15231 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
15232 NO_FP_IN_TOC for -fPIC instead of mask.
15234 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
15235 (BOOT_LDFLAGS): Delete.
15237 * config/rs6000/t-aix52: Same.
15239 * config/rs6000/rs6000.md (store_multiple_power): Delete.
15240 (stmsi[345678]_power): New.
15242 2006-03-17 Steve Ellcey <sje@cup.hp.com>
15244 * config/ia64/ia64.opt: Add empty line to end of file.
15246 2006-03-17 Richard Guenther <rguenther@suse.de>
15248 PR middle-end/26721
15249 * builtins.c (get_pointer_alignment): For component style references
15250 adjust alignment to the component type alignment. Make sure
15251 to adjust alignment for component access of constants.
15253 2006-03-17 David Edelsohn <edelsohn@gnu.org>
15255 * config/rs6000/rs6000.md (strlensi): Emit barrier after
15256 unconditional jump.
15258 2006-03-17 Paul Brook <paul@codesourcery.com>
15260 * doc/install.texi: Docuemnt --with-mode.
15261 * config.gcc: Add --with-mode for arm*-*-*.
15262 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
15264 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
15266 * sh.c (max_labelno_before_reorg): New variable.
15267 (sh_reorg): Initialize it.
15268 (find_barrier): Check max_labelno_before_reorg before using
15269 label_to_alignment. Take length of explicit alignment insns
15270 into account. When seeing a UNSPECV_CONST_END, return it.
15272 * sh.c (fixup_mova): Set mode of affected label to QImode.
15273 (untangle_mova): New function.
15274 (find_barrier): Use it. Check mode of label before decrementing
15276 (sh_reorg): Likewise.
15277 Set mode of all insns back to VOIDmode.
15279 * sh.c (MOVA_LABELREF): New macro.
15280 (mova_p, fixup_mova, sh_reorg): Use it.
15281 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
15282 ADDR_DIFF_VEC matches mova.
15284 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
15286 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
15287 with ATTRIBUTE_UNUSED.
15289 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
15291 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
15292 pointer, instead of assuming it is possible to derive the
15293 correct args size from a call insn.
15295 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15297 * rtl.h (CONST_INT_P): Define.
15298 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
15299 instead of GET_CODE(x) == CONST_INT.
15300 (vax_rtx_costs): Likewise.
15301 (vax_output_int_move): Likewise.
15302 (vax_output_int_add): Likewise.
15303 (legitimate_constant_address_p): Likewise.
15304 (index_term_p): Likewise.
15305 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15306 * config/vax/vax.md (and<mode>3): Likewise.
15307 (ashrsi3): Likewise.
15309 (movstricthi): Likewise.
15310 (movstrictqi): Likewise.
15311 (rotrsi3): Likewise.
15312 (five unnamed insns): Likewise.
15314 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15316 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15317 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15318 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15319 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15320 Pass to ASM_OUTPUT_DWARF_OFFSET.
15321 * dwarf2out.c (debug_frame_section): New.
15322 (output_call_frame_info): Use debug_frame_section. Pass it to
15323 dw2_asm_output_offset.
15324 (output_die): Pass appropriate section to dw2_asm_output_offset.
15325 (output_compilation_unit_header): Likewise.
15326 (output_pubnames): Likewise.
15327 (output_aranges): Likewise.
15328 (enum dw_val_class): Break dw_val_class_lbl_offset into
15329 dw_val_class_lineptr and dw_val_class_macptr.
15330 (add_AT_lbl_offset): Delete.
15331 (add_AT_lineptr): New.
15332 (add_AT_macptr): New.
15333 (AT_lbl): Expect a lineptr or macptr.
15334 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15335 (attr_checksum): Likewise.
15336 (same_dw_val_p): Likewise.
15337 (size_of_die): Likewise.
15338 (value_format): Likewise.
15339 (output_die): Likewise.
15340 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15342 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15343 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15344 * config/darwin-protos.h (darwin_file_start): New.
15345 (darwin_asm_output_dwarf_offset): New.
15346 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15347 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15349 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15350 if not EH section; simplify.
15351 (darwin_file_start): New.
15352 (darwin_asm_output_dwarf_offset): New.
15353 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15355 (DEBUG_INFO_SECTION): Likewise.
15356 (DEBUG_ABBREV_SECTION): Likewise.
15357 (DEBUG_ARANGES_SECTION): Likewise.
15358 (DEBUG_MACINFO_SECTION): Likewise.
15359 (DEBUG_LINE_SECTION): Likewise.
15360 (DEBUG_LOC_SECTION): Likewise.
15361 (DEBUG_PUBNAMES_SECTION): Likewise.
15362 (DEBUG_STR_SECTION): Likewise.
15363 (DEBUG_RANGES_SECTION): Likewise.
15364 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15365 (ASM_OUTPUT_DWARF_OFFSET): New.
15367 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15369 * config.gcc (tm_defines): Always add to previous value rather
15372 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15374 * config/mips/predicates.md (splittable_const_int_operand): New,
15375 split from move_operand.
15376 (splittable_symbolic_operand): New.
15377 (move_operand): Add commentary. Use splittable_const_int_operand.
15378 Inline mips_atomic_symbolic_constant_p.
15379 * config/mips/mips.md: Add combine splitters for handling moves
15380 of splittable_const_int_operands and splittable_symbolic_operands.
15381 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15382 (mips_split_symbol): Declare.
15383 (mips_move_integer): Declare.
15384 * config/mips/mips.c (mips_split_p): Make global.
15385 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15386 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15387 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15388 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15389 (mips_offset_within_object_p): Handle block symbols.
15390 (mips_atomic_symbolic_constant_p): Delete.
15391 (mips_cannot_force_const_mem): Return false for constants that
15392 mips_legitimize_move can handle.
15393 (mips_use_blocks_for_constant_p): New function.
15394 (mips_split_symbol): Make global.
15395 (mips_move_integer): Likewise. Add a temporary register argument.
15396 (mips_legitimize_const_move): Use splittable_const_int_operand and
15397 splittable_symbolic_operand.
15398 (mips_use_anchors_for_symbol_p): New function.
15399 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15400 (mips_split_p): Declare.
15402 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15404 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15405 (mips*-*-linux*): Likewise.
15407 2006-03-16 Roger Sayle <roger@eyesopen.com>
15408 Daniel Speyer <dspeyer@wam.umd.edu>
15410 PR middle-end/18259
15411 * tree-dump.c (dump_real): New function.
15412 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15413 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15414 (tree-dump.o): Add $(REAL_H) to the dependencies.
15416 2006-03-16 Roger Sayle <roger@eyesopen.com>
15418 PR middle-end/21781
15419 * real.c (real_from_string): If the mantissa is zero, don't bother
15420 parsing the exponent as the result should always be zero.
15422 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15424 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15426 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15428 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15429 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15430 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15431 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15432 ia64_sched_finish_global): New static functions to implement
15433 hooks from gcc_target.sched.
15434 (spec_check_no, max_uid, pending_data_specs): New static variables.
15435 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15436 ia64_spec_check_src_p): New static functions.
15437 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15438 (TARGET_SCHED_ADJUST_COST): Removed.
15439 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15440 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15441 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15442 TARGET_SCHED_GEN_CHECK,
15443 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15444 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15445 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15446 Fixed to handle speculation checks.
15447 (rtx_needs_barrier): Fixed to handle speculative loads and
15449 (ia64_variable_issue): Added code to count speculative loads and their
15451 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15453 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15455 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15457 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15458 (ia64_reorg): Reset stops_p to NULL after it is freed.
15459 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15460 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15461 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15463 (data_speculative, control_speculative, check_load): New attributes.
15464 (mov<mode>_advanced, mov<mode>_speculative,
15465 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15466 zero_extend<mode>di2_speculative,
15467 zero_extend<mode>di2_speculative_advanced): New patterns for
15468 data and control speculative loads.
15469 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15471 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15472 New pattern for data and control speculation checks.
15473 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15474 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15475 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15476 Auxiliary definitions for the patterns.
15477 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15478 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15480 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15482 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15483 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15484 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15485 New resource constraints.
15486 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15488 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15489 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15490 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15491 msched-in-control-spec, msched-ldc, msched-control-ldc,
15492 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15493 msched-prefer-non-control-spec-insns,
15494 msched-count-spec-in-critical-path): New flags to tune speculative
15496 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15497 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15498 msched-in-control-spec, msched-ldc, msched-control-ldc,
15499 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15500 msched-prefer-non-control-spec-insns,
15501 msched-count-spec-in-critical-path): Document new flags.
15503 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15505 * target.h (struct spec_info_def): New opaque declaration.
15506 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15507 speculate_insn, needs_block_p, gen_check,
15508 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15509 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15510 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15511 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15512 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15513 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
15515 (TARGET_SCHED): Use new macros.
15516 * rtl.h (copy_DEPS_LIST_list): New prototype.
15517 * sched-int.h (struct sched_info): Change signature of new_ready field,
15518 adjust all initializations. New fields: add_remove_insn,
15519 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
15520 region_head_or_leaf_p.
15521 (struct spec_info_def): New structure declaration.
15522 (spec_info_t): New typedef.
15523 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
15524 recovery_block, orig_pat.
15525 (glat_start, glat_end): New variables declaraions.
15526 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
15528 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
15529 DETACH_LIFE_INFO, USE_GLAT.
15530 (enum SPEC_SCHED_FLAGS): New enumeration.
15531 (NOTE_NOTE_BB_P): New macro.
15532 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
15533 attach_life_info, debug_spec_status, check_reg_live): New functions.
15534 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
15535 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
15537 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
15538 * ddg.c (get_block_head_tail): Adjust all uses.
15539 * modulo-sched.c (get_block_head_tail): Adjust all uses.
15540 (sms_sched_info): Initialize new fields.
15541 (contributes_to_priority): Removed.
15542 * haifa-sched.c (params.h): New include.
15543 (get_block_head_tail): Adjust all uses.
15544 (ISSUE_POINTS): New macro.
15545 (glat_start, glat_end): New global variables.
15546 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
15547 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
15548 old_last_basic_block, before_recovery, current_sched_info_var,
15549 rgn_n_insns, luid): New static variables.
15550 (insn_cost1): New function. Move logic from insn_cost to here.
15551 (find_insn_reg_weight1): New function. Move logic from
15552 find_insn_reg_weight to here.
15553 (reemit_notes, move_insn, max_issue): Change signature.
15554 (move_insn1): Removed.
15555 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
15556 extend_bb): New static functions to support extension of scheduler's
15558 (generate_recovery_code, process_insn_depend_be_in_spec,
15559 begin_speculative_block, add_to_speculative_block,
15560 init_before_recovery, create_recovery_block, create_check_block_twin,
15561 fix_recovery_deps): New static functions to support
15562 generation of recovery code.
15563 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
15564 restore_bb_notes, move_block_after_check, move_succs): New static
15565 functions to support ebb scheduling.
15566 (init_glat, init_glat1, attach_life_info1, free_glat): New static
15567 functions to support handling of register live information.
15568 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
15569 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
15570 add_jump_dependencies): New static functions.
15571 (check_cfg, has_edge_p, check_sched_flags): New static functions for
15572 consistancy checking.
15573 (debug_spec_status): New function to call from debugger.
15574 (priority): Added code to handle speculation checks.
15575 (rank_for_schedule): Added code to distinguish speculative instructions.
15576 (schedule_insn): Added code to handle speculation checks.
15577 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
15578 Fixed to handle ebbs.
15579 (move_insn): Added code to handle ebb scheduling.
15580 (max_issue): Added code to use ISSUE_POINTS of instructions.
15581 (choose_ready): Added code to choose between speculative and
15582 non-speculative instructions.
15583 (schedule_block): Added code to handle ebb scheduling and scheduling of
15584 speculative instructions.
15585 (sched_init): Initialize new variables.
15586 (sched_finish): Free new variables. Print statistics.
15587 (try_ready): Added code to handle speculative instructions.
15588 * lists.c (copy_DEPS_LIST_list): New function.
15589 * sched-deps.c (extend_dependency_caches): New function. Move logic
15590 from create_dependency_caches to here.
15591 (get_dep_weak, ds_merge): Make global.
15592 * genattr.c (main): Code to output prototype for
15593 dfa_clear_single_insn_cache.
15594 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
15595 (output_dfa_clean_insn_cache_func): Code to output
15596 dfa_clear_single_insn_cache function.
15597 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
15599 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
15601 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
15602 New static variables.
15603 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
15604 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
15606 (ebb_sched_info): Initialize new fields.
15607 (get_block_head_tail): Adjust all uses.
15608 (compute_jump_reg_dependencies): Fixed to use glat_start.
15609 (schedule_ebb): Code to remove unreachable last block.
15610 (schedule_ebbs): Added code to update register live information.
15611 * sched-rgn.c (region_sched_info): Initialize new fields.
15612 (get_block_head_tail): Adjust all uses.
15613 (last_was_jump): Removed. Adjust users.
15614 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
15615 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
15616 Implement new hooks.
15617 (check_dead_notes1): New static function.
15618 (struct region): New fields: dont_calc_deps, has_real_ebb.
15619 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
15620 (BB_TO_BLOCK): Fixed to handle EBBs.
15621 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
15622 (ebb_head): New static variable.
15623 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
15624 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
15626 (compute_dom_prob_ps): New assertion.
15627 (check_live_1, update_live_1): Fixed to work with glat_start instead of
15628 global_live_at_start.
15629 (init_ready_list): New assertions.
15630 (can_schedule_ready_p): Split update code to begin_schedule_ready.
15631 (new_ready): Add support for BEGIN_CONTROL speculation.
15632 (schedule_insns): Fixed code that updates register live information
15634 (schedule_region): Fixed to handle EBBs.
15635 (init_regions): Use extend_regions and check_dead_notes1.
15636 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
15637 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
15638 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
15639 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15640 TARGET_SCHED_GEN_CHECK,
15641 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15642 TARGET_SCHED_SET_SCHED_FLAGS): Document.
15643 * doc/invoke.texi (max-sched-insn-conflict-delay,
15644 sched-spec-prob-cutoff): Document.
15646 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15648 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
15649 inter_tick, queue_index.
15650 (struct sched_info): Change signature of init_ready_list field.
15651 Adjust all initializations.
15652 (RESOLVED_DEPS): New access macro.
15653 (ready_add): Remove prototype.
15654 (try_ready): Add prototype.
15655 * sched-rgn.c (init_ready_list): Use try_ready.
15656 (schedule_region): Initialize
15657 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
15658 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
15659 (init_ready_list): Use try_ready.
15660 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
15661 * lists.c (remove_list_elem): Remove `static'.
15662 (remove_free_INSN_LIST_elem): New function.
15663 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
15664 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
15665 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
15667 (readyp): New variable.
15668 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
15669 change_queue_index, resolve_dep): New static functions.
15670 (try_ready): New function. Adjust callers in sched-rgn.c and
15671 sched-ebb.c to use it instead of ready_add.
15672 (clock_var): Move at the begining of file.
15673 (rank_for_schedule): Fix typo.
15674 (queue_insn): Add assertion. Handle QUEUE_INDEX.
15675 (ready_lastpos): Enforce assertion.
15676 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
15677 update all callers.
15678 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
15679 (schedule_insn): Rewrite to use try_ready and resolve_dep.
15680 (queue_to_ready): Use free_INSN_LIST_list.
15681 (early_queue_to_ready): Fix typo.
15682 (schedule_block): Init readyp. Move init_ready_list call after the
15683 initialization of clock_var. Fix error in rejecting insn by
15684 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
15685 that previously corrected INSN_TICKs. Add code for handling
15687 (set_priorities): Fix typo.
15688 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
15689 Clarify comment and code that keeps current_sched_info->next_tail
15692 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15694 * sched-rgn.c (extend_rgns): New static function.
15695 (find_rgns): Use it.
15696 (gather_region_statistics, print_region_statistics): New static
15698 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
15699 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
15701 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15702 Andrey Belevantsev <abel@ispras.ru>
15704 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
15705 * lists.c (unused_deps_list): New variable.
15706 (free_list): Add assertions to verify the proper distinguishing
15707 between INSN_LISTs and DEPS_LISTs.
15708 (find_list_elem, remove_list_elem, remove_list_node): New static
15710 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
15711 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
15712 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
15713 (alloc_INSN_LIST): Assert that the list we're working on is indeed
15715 (free_INSN_LIST_node): Likewise.
15716 * modulo-sched.c (current_sched_info): Initialize flags field.
15717 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
15718 * rtl.def (DEPS_LIST): Define.
15719 * rtl.h: Declare new functions from lists.c.
15720 * sched-deps.c (spec_dependency_cache): New static variable.
15721 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
15722 (add_dependence): Change return type to void. Move the logic to ...
15723 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
15724 (delete_all_dependences): Add comment about forward_dependency_cache.
15725 Handle spec_dependency_cache. Handle DEPS_LISTs.
15726 (fixup_sched_groups): Clarify the change of priority of output
15727 and anti dependencies.
15728 (sched_analyze_2): Adjust add_dependence calls to create data
15729 speculative dependence.
15730 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
15731 Adjust all callers. Handle DEPS_LISTS.
15732 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
15733 presence of speculation.
15734 (init_dependency_caches, free_dependency_caches):
15735 Handle spec_dependency_cache.
15736 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
15737 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
15738 New static functions.
15739 (add_or_update_back_dep, add_or_update_back_forw_dep,
15740 add_back_forw_dep, delete_back_forw_dep): New functions.
15741 * sched-int.h (ds_t, dw_t): New typedefs.
15742 (struct sched_info): Add new field flags.
15743 (struct haifa_insn_data): Add new bitfield has_internal_dep.
15744 Prototype new sched-deps.c functions.
15745 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
15746 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
15747 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
15748 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
15749 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
15750 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
15752 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
15754 * sched-rgn.c (current_sched_info): Initialize flags field.
15755 (schedule_insns): Initialize current_sched_info before the sched_init
15757 * sched-ebb.c (current_sched_info): Initialize flags field.
15758 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
15759 Call add_or_update_back_dep instead of add_dependence.
15760 Create control speculative dependencies.
15761 (schedule_insns): Initialize current_sched_info before the sched_init
15764 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
15766 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
15768 (sh_fallback_frame_state): Likewise.
15770 2006-03-15 Geoffrey Keating <geoffk@apple.com>
15772 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
15773 Do switch on default_use_cxa_atexit.
15774 (powerpc*-*-darwin*): Build crt2.o on powerpc.
15775 * config/darwin-crt3.o: New.
15776 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
15777 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
15778 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
15780 * config/rs6000/t-darwin: Move crt2.o building to here.
15781 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
15782 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
15785 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15787 * config/vax/vax.c (nonindexed_address_p): Change logical negation
15788 from '! xxx' to '!xxx' for coding-style conformance.
15789 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
15790 (EXTRA_CONSTRAINT): Likewise.
15791 * config/vax/vax.md (four unnamed insns): Likewise.
15793 2006-03-15 Paul Brook <paul@codesourcery.com>
15795 * config/arm/arm.c (minipool_pad): New.
15796 (add_minipool_forward_ref): Include pool alignment padding in address
15798 (push_minipool_fix): Set minipool_pad.
15799 (minipool_pad): Ditto.
15801 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15803 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
15804 instead of GET_CODE() == MEM and REG_P() instead of
15806 (print_operand_address): Likewise.
15807 (vax_address_cost): Likewise.
15808 (vax_rtx_costs): Likewise.
15809 (vax_notice_update_cc): Likewise.
15810 (vax_output_int_add): Likewise.
15811 (INDEX_REGISTER_P): Likewise.
15812 (BASE_REGISTER_P): Likewise.
15813 (nonindexed_address_p): Likewise.
15814 (vax_mode_dependent_address_p): Likewise.
15815 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
15816 (PRINT_OPERAND): Likewise.
15817 * config/vax/vax.md (ashlsi3): Likewise.
15818 (ashlsi3): Likewise.
15819 (some more unnamed insns): Likewise.
15821 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
15823 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
15824 iterator-style macro.
15825 (mark_control_dependent_edges_necessary): Update the use of
15826 EXECUTE_IF_CONTROL_DEPENDENT.
15828 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
15830 * config/sh/predicates.md (cache_address_operand): Special.
15831 (ua_address_operand): Likewise.
15833 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
15835 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
15837 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
15839 2006-03-15 Andreas Schwab <schwab@suse.de>
15841 * gensupport.c (identify_predicable_attribute): Don't free p_false
15842 when it is still in use.
15844 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
15846 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
15847 the default setting here.
15849 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
15851 * tree-pass.h (pass_cfg): Remove.
15852 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
15853 * passes.c (pass_cfg): Don't run it.
15855 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
15857 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
15858 * reg-stack.c (stack_regs_mentioned_data): Change the type to
15860 (stack_regs_mentioned): Update the uses of
15861 stack_regs_mentioned_data. Don't access the array beyond its
15863 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
15864 Don't include gt-reg-stack.h.
15866 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
15867 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
15869 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
15871 PR middle-end/26684
15872 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
15875 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15877 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
15879 2006-03-14 Richard Guenther <rguenther@suse.de>
15881 PR tree-optimization/26672
15882 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
15885 2006-03-14 Richard Guenther <rguenther@suse.de>
15887 PR tree-optimization/26667
15888 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
15889 node for the callees. Always allow inlining if it will shrink
15892 2006-03-14 Richard Guenther <rguenther@suse.de>
15894 PR middle-end/26659
15895 * builtins.c (get_pointer_alignment): Prefer alignment
15896 information from decls over that from types.
15898 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
15901 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
15903 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
15905 * config/rs6000/rs6000.opt (mdlmzb): New option.
15906 (msched-prolog, msched-epilog): Use Var not Mask.
15907 * doc/invoke.texi (-mdlmzb): Document.
15908 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
15910 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
15911 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
15913 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
15915 PR rtl-optimization/25739
15916 * bt-load.c (augment_live_range): Free tos pointer.
15918 * gensupport.c (identify_predicable_attribute): Free
15920 * gcov.c (create_file_names): Free name pointer.
15922 2006-03-13 Roger Sayle <roger@eyesopen.com>
15924 PR middle-end/26557
15925 * stmt.c (emit_case_nodes): Handle the case where the index is a
15926 CONST_INT, where the comparison mode is specified by the index type.
15928 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15930 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
15933 2006-03-13 Richard Sandiford <richard@codesourcery.com>
15935 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
15936 (*branch_fp_inverted): Likewise.
15938 2006-03-13 Jakub Jelinek <jakub@redhat.com>
15940 PR middle-end/25989
15941 * omp-low.c (expand_omp_for_generic): Mark istart0
15942 and iend0 as addressable.
15944 2006-03-13 Jie Zhang <jie.zhang@analog.com>
15946 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
15948 2006-03-13 Jeff Law <law@redhat.com>
15950 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
15951 virtual operands are interesting.
15952 (vrp_visit_stmt): Corresponding changes.
15954 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
15956 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
15958 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
15959 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
15960 * config/bfin/crti.S: Use it instead of __PIC__.
15961 * config/bfin/crtn.S: Likewise.
15963 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
15964 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
15966 Lose 'G' modifier for call operand.
15967 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
15968 recognize 'G' modifier.
15970 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
15972 PR middle-end/18859
15973 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
15974 * stmt.c (expand_case): Likewise.
15976 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15978 PR rtl-optimization/26254
15979 * loop-invariant.c (seq_insns_valid_p): New function.
15980 (move_invariant_reg): Only emit new code if it is valid.
15982 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15984 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
15986 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
15987 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
15988 (commit_one_edge_insertion): Do not look for loop notes.
15990 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15992 * jump.c (follow_jumps): Do not check for loop notes. Move check for
15993 flag_test_coverage out of loop.
15995 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15997 * final.c (shorten_branches): Remove outdated comment, and turn
15998 the if branch that guards it to continue.
16000 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16002 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
16003 * cfgloop.h (struct loop): Remove unused fields.
16005 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
16007 * doc/invoke.texi (-fdump-rtl-loop): Remove.
16008 (-dL, -fdump-rtl-loop2): Update the dump file names
16010 * doc/invoke.texi: Update dump file names.
16012 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
16014 * predict.c (estimate_probability): Remove.
16015 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
16016 * basic-block.h (estimate_probability): Remove prototype.
16017 * passes.c (finish_optimization_passes): Dump branch prediction or
16018 profiling heuristics to the .profile tree dump.
16019 (init_optimization_passes): Unqueue pass_branch_prob.
16021 * doc/invoke.texi (-fdump-rtl-bp): Remove.
16023 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16025 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16026 * rtl.h (LABEL_NEXTREF): Remove field accessor.
16028 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
16030 * function.h (frame_offset_overflow): Declare.
16031 * function.c (frame_offset_overflow): New function.
16032 (assign_stack_local_1): Call it to detect that the offset overflows.
16033 * cfgexpand.c (alloc_stack_frame_space): Likewise.
16035 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16037 * config/sh/sh.c: Include alloc-pool.h.
16038 (label_ref_list_pool): New alloc pool.
16039 (label_ref_list_t): New type for lists of labels.
16040 (struct pool_node): Make wend a label_ref_list_t.
16041 (add_constant): Use the new type, eradicate LABEL_NEXTREF
16043 (dump_table): Likewise.
16044 (sh_reorg): Set up the alloc pool before using add_constant and
16045 dump_table, and destroy it when finishing.
16047 2006-03-11 Richard Sandiford <richard@codesourcery.com>
16049 * config/mips/mips.c: Remove redundant comment.
16051 2006-03-10 Jason Merrill <jason@redhat.com>
16054 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16055 the target was declared 'register'.
16057 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
16059 * genpreds.c (write_insn_constraint_len): Change definition of
16060 insn_constraint_len to return size_t to match the declaration.
16062 2006-03-10 DJ Delorie <dj@redhat.com>
16064 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16066 (m32c_expand_insv): Fix test for an AND mask.
16068 2006-03-10 Richard Guenther <rguenther@suse.de>
16070 PR middle-end/26565
16071 * builtins.c (get_pointer_alignment): Handle component
16072 references for field alignment.
16074 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16076 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16077 when building with libgloss.
16078 (sh*elf): Implement --without-fp option.
16079 (sh64-superh-linux*): Don't multilib.
16081 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16083 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16085 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
16087 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16088 Set it when one of the replacement functions returned true.
16089 Return TODO_cleanup_cfg if cfgchanged is true.
16090 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16092 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
16094 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16095 instead of gen_lowpart.
16097 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16099 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16101 (mips_output_order_conditional_branch): Declare.
16102 * config/mips/mips.h (MIPS_BRANCH): New macro.
16103 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16104 for the comparison. Use gen_condjump.
16105 (mips_output_conditional_branch): Rework interface to take the
16106 asm templates for a direct branch and the inverse of a direct branch.
16107 (mips_output_order_conditional_branch): New function.
16108 (mips_builtin_branch_and_move): New function.
16109 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
16110 branch condition. Use gen_single_cc as the condition for
16111 __builtin_mips_upper_* or __builtin_mips_lower_*.
16112 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16113 Use VOIDmode for the branch condition.
16114 * config/mips/predicates.md (order_operator): New predicate.
16115 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16116 (branch_fp): Rename to...
16117 (*branch_fp): ...this. Remove mode from comparison operator.
16118 Use new mips_output_conditional_branch interface.
16119 (branch_fp_inverted): Rename to...
16120 (*branch_fp_inverted): ...this and update as for *branch_fp.
16121 (*branch_zero<mode>): Rename to...
16122 (*branch_order<mode>): ...this. Remove mode from comparison operator.
16123 Use mips_output_order_conditional_branch. Only accept ordered
16125 (*branch_zero<mode>_inverted): Rename to...
16126 (*branch_order<mode>_inverted): ...this and update as for
16127 *branch_order<mode>.
16128 (*branch_equality<mode>): Accept zero as the second operand to
16129 the equality operator. Use the new mips_output_conditional_branch
16131 (*branch_equality<mode>_inverted): Likewise.
16132 (condjump): New expander.
16133 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16135 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16136 (bc1any2t, bc1any2f): Likewise.
16137 (single_cc): New expander.
16138 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16140 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16142 * doc/md.texi: Update documentation of MIPS constraints.
16143 * config/mips/constraints.md: New file.
16144 * config/mips/mips.md: Include it.
16145 * config/mips/mips.c (mips_char_to_class): Delete.
16146 (override_options): Don't initialize mips_char_to_class.
16147 * config/mips/mips.h (mips_char_to_class): Delete.
16148 (REG_CLASS_FROM_LETTER): Delete.
16149 (CONST_OK_FOR_LETTER_P): Delete.
16150 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
16151 (EXTRA_CONSTRAINT_Y): Delete.
16152 (EXTRA_CONSTRAINT_STR): Delete.
16153 (CONSTRAINT_LEN): Delete.
16154 (EXTRA_MEMORY_CONSTRAINT): Delete.
16156 2006-03-09 Diego Novillo <dnovillo@redhat.com>
16158 * tree-cfg.c (move_block_to_fn): Remove the statements from the
16159 original fn's eh regions.
16161 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
16163 * fold-const.c (build_range_check): Make sure to use a valid type to
16164 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
16167 (range_predecessor): New static function.
16168 (range_successor): Likewise.
16169 (merge_ranges): Use them to compute predecessors and successors of
16172 2006-03-09 Roger Sayle <roger@eyesopen.com>
16174 PR middle-end/26561
16175 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16176 X op C3, consider whether C3 overflows towards +Inf or -Inf.
16178 2006-03-08 DJ Delorie <dj@redhat.com>
16180 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
16181 (addpsi3): Expand to include memory operands. Remove
16182 reload-specific splits.
16183 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
16184 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
16185 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
16186 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16187 (shift1_qi, shift1_hi, insv): New.
16188 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
16189 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
16190 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
16192 * config/m32c/m32c-protos.h: Update as needed.
16193 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
16194 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
16195 Fail for unrecognized R* constraints.
16196 (m32c_cannot_change_mode_class): Be more picky about pseudos.
16197 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
16198 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
16200 (m32c_init_libfuncs): New.
16201 (m32c_legitimate_address_p): Add debug wrapper.
16202 (m32c_rtx_costs): New.
16203 (m32c_address_cost): New.
16204 (conversions): Add 'B' prefix.
16205 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
16206 operands, or word regnames for QI operands. 'B' prints bit
16208 (m32c_expand_setmemhi): New.
16209 (m32c_expand_movmemhi): New.
16210 (m32c_expand_movstr): New.
16211 (m32c_expand_cmpstr): New.
16212 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
16213 (m32c_expand_neg_mulpsi3): Handle non-ints.
16214 (m32c_cmp_flg_0): New.
16215 (m32c_expand_movcc): New.
16216 (m32c_expand_insv): New.
16217 (m32c_scc_pattern): New.
16218 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
16219 a0/a1 out of SIregs.
16220 (STORE_FLAG_VALUE): New.
16221 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
16224 * config/m32c/mov.md: Make constraints more liberal.
16225 (zero_extendqihi2): Optimize r0/r1 case.
16226 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
16227 * config/m32c/predicates.md (m32c_any_operand): New.
16228 (m32c_nonimmediate_operand): New.
16229 (m32c_hl_operand): New.
16230 (m32c_r3_operand): New.
16233 (memsym_operand): New.
16234 (memimmed_operand): New.
16235 (a_qi_operand): New.
16236 (m32c_eqne_operator): New.
16237 (m32c_1bit8_operand): New.
16238 (m32c_1bit16_operand): New.
16239 (m32c_1mask8_operand): New.
16240 (m32c_1mask16_operand): New.
16241 * config/m32c/blkmov.md: New file.
16242 * config/m32c/t-m32c (MD_FILES): Add blkmov.
16244 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
16246 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
16247 unsigned to fix signed/unsigned comparison issue in
16248 DWARF2_FRAME_REG_OUT.
16249 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
16250 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
16252 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
16253 of ptr into the ENABLE_CHECKING section.
16255 2006-03-08 Jeff Law <law@redhat.com>
16257 * tree-vrp.c (infer_value_range): Only count pointer uses
16258 and dereferences if -fdelete-null-pointer-checks is enabled.
16260 * tree-vrp.c (find_assert_locations): Infer value ranges for
16261 single use pointers, but do not create ASSERT_EXPRs for them.
16262 When a non-null range is inferred for a pointer, backwards
16263 propagate that range to other equivalent pointers through the
16266 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
16269 * Makefile.in (dvi, html, install-info): Invoke the corresponding
16270 language hook targets.
16271 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
16272 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
16273 if language hook targets were missing.
16275 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
16277 * tree-ssa-opfinalize.h: Removed.
16278 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
16280 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
16281 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
16282 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
16283 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
16284 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
16285 finalize_ssa_v_must_def_ops): New.
16287 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
16289 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
16290 block as parameter.
16292 2006-03-07 Geoffrey Keating <geoffk@apple.com>
16294 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
16296 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
16297 addresses with offsets; reorganize.
16299 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
16300 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16301 (expand_builtin_init_dwarf_reg_sizes): Likewise.
16303 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16306 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16308 2006-03-08 Ben Elliston <bje@au.ibm.com>
16310 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16312 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16315 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16318 2006-03-07 Richard Guenther <rguenther@suse.de>
16320 PR tree-optimization/26587
16321 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16323 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16325 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16327 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16329 * hooks.c (hook_bool_mode_rtx_true): New function.
16330 * hooks.h (hook_bool_mode_rtx_true): Declare.
16331 * toplev.c (compile_file): Call output_shared_constant_pool.
16332 * varasm.c (shared_constant_pool): New variable.
16333 (assemble_start_function, assemble_end_function): Remove arguments
16334 from call to output_constant_pool.
16335 (create_constant_pool): New function, split out from...
16336 (init_varasm_status): ...here.
16337 (force_const_mem): Choose between the shared and per-function constant
16338 pools. Set current_function_uses_const_pool when reusing old entries
16339 as well as when creating new ones.
16340 (mark_constant): Ignore data argument.
16341 (mark_constants): Remove pool argument.
16342 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16343 to decide whether the function uses a constant pool.
16344 (output_constant_pool_contents): New function, split out from...
16345 (output_constant_pool): ...here.
16346 (output_shared_constant_pool): New function.
16347 (init_varasm_once): Initialize shared_constant_pool.
16348 * output.h (output_constant_pool): Delete.
16349 (output_shared_constant_pool): Declare.
16350 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16351 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16353 2006-03-06 Nick Clifton <nickc@redhat.com>
16355 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16356 flag_strength_reduce.
16358 2006-03-06 Ben Elliston <bje@au.ibm.com>
16360 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16361 x86_64-*-linux* configurations.
16363 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16364 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16366 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16368 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16370 * basic-block.h: Remove the extern for
16371 rediscover_loops_after_threading.
16373 * cfgloop.c (cancel_loop): Make it static.
16374 * cfgloop.h: Remove the prototype for cancel_loop.
16376 * flow.c (recompute_reg_usage): Make it static.
16377 * rtl.h: Remove the prototype for recompute_reg_usage.
16379 * function.c (use_return_register): Make it static.
16380 * function.h: Remove the prototype.
16382 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16384 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16386 * recog.h: Remove the prototype for
16387 validate_change_maybe_volatile.
16389 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16391 * rtlanal.c (replace_reg): Remove.
16392 * rtl.h: Remove the prototype for replace_reg.
16394 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16396 * regclass.c (reg_scan_update): Remove.
16397 (reg_scan_mark_refs): Remove the last argument.
16398 * rtl.h: Remove the prototype for reg_scan_update.
16400 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16402 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16403 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16404 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16405 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16406 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16407 loop-invariant.c, omp-low.c, opts.c, passes.c,
16408 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16409 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16410 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16411 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16412 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16413 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16415 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16417 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16418 * dwarf2out.h: Remove the prototype for
16419 dwarf2out_add_library_unit_info.
16421 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16423 * tree.c (add_var_to_bind_expr): Remove.
16424 * tree.h: Remove the prototype for add_var_to_bind_expr.
16426 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16428 * regclass.c (n_non_fixed_regs): Remove.
16429 (init_reg_sets_1, globalize_reg): Remove all uses of
16431 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16433 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16435 * rtlanal.c (insns_safe_to_move_p): Remove.
16436 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16438 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16440 * expmed.c (expand_mult_add): Remove.
16441 * expr.h: Remove the prototype for expand_mult_add.
16443 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16445 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16446 and REG_SAVED_VAL_EXP constants.
16447 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16448 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16449 Handle regs stored by value.
16450 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16451 (execute_cfa_program): Handle DW_CFA_val_offset,
16452 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16453 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16454 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16455 (uw_install_context_1): Handle target regs stored by value.
16457 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16459 * tree-sra.c (tree_sra): Return todoflags;
16460 (generate_one_element): Set TODO_update_smt_usage if needed.
16461 (pass_sra): Remove TODO_update_smt_usage.
16462 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16464 (tree_ssa_forward_propagate_single_use_vars): Return
16465 TODO_update_smt_usage if we need to update SMT usage.
16466 (pass_forwprop): Remove TODO_update_smt_usage.
16468 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16470 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16471 (correct_use_link): Remove reference to get_stmt_operands.
16472 (update_stmt_operands): Likewise.
16473 (get_modify_expr_operands): New function factored out of
16474 parse_ssa_operands and get_expr_operands.
16475 Try to create V_MUST_DEFs for LHS by default.
16476 (get_expr_operands) <case MODIFY_EXPR>: Call
16477 get_modify_expr_operands.
16478 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16479 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16480 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16481 get_modify_expr_operands.
16483 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16485 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16486 * tree-flow.h: Remove the prototype for
16487 referenced_var_lookup_if_exists.
16489 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16491 PR rtl-optimization/26345
16493 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16495 2006-03-03 Roger Sayle <roger@eyesopen.com>
16497 PR tree-optimization/26524
16498 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16499 fold_convert to create a constant of the appropriate type.
16501 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16503 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16504 SYMBOL_REF_IN_BLOCK_P.
16505 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16506 of SYMBOL_FLAG_IN_BLOCK.
16507 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16508 instead of SYMBOL_REF_IN_BLOCK_P.
16509 * explow.c (use_anchored_address): Likewise.
16510 * rtl.c (rtx_size): Likewise.
16511 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16512 instead of SYMBOL_FLAG_IN_BLOCK.
16513 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16514 SYMBOL_REF_IN_BLOCK_P.
16515 (assemble_variable): Likewise.
16516 (output_constant_def_contents): Likewise.
16517 (output_constant_pool): Likewise.
16518 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
16519 instead of SYMBOL_FLAG_IN_BLOCK.
16520 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16521 SYMBOL_REF_IN_BLOCK_P.
16522 (SYMBOL_REF_BLOCK): Likewise.
16523 (SYMBOL_REF_OFFSET): Likewise.
16524 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16525 SYMBOL_REF_IN_BLOCK_P.
16526 (SYMBOL_FLAG_IN_BLOCK): Replace with...
16527 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
16528 (SYMBOL_REF_IN_BLOCK_P): Replace with...
16529 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
16531 2006-03-03 Jakub Jelinek <jakub@redhat.com>
16533 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
16535 2006-03-02 Roger Sayle <roger@eyesopen.com>
16537 * simplify-rtx.c (simplify_unary_operation): When simplifying
16538 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
16539 that we perform the right shift in the appropriate mode, and
16540 then extend or truncate the result to requested mode.
16542 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
16544 * gengtype.c (main): Handle double_int type.
16545 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
16546 * double-int.c: New file.
16547 * double-int.h: New file.
16548 * system.h: Include doubleint.h.
16549 * Makefile.in (SYSTEM_H): Include double-int.h.
16550 (double-int.o): Add.
16552 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
16555 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
16558 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16560 * tree-vrp.c (remove_range_assertions): Do not update statements
16563 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16565 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
16567 * gcse.c (rest_of_handle_gcse): Ditto.
16568 * except.c (gate_handle_eh): Ditto.
16569 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
16570 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
16572 2006-03-02 Eric Christopher <echristo@apple.com>
16574 * config/i386/i386.c (machopic_output_stub): Add indirection to
16577 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16581 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
16583 Sun Niagara specific optimizations.
16584 * config.gcc: Recognize niagara as target.
16585 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
16586 (TARGET_CPU_niagara): Define.
16587 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
16588 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
16589 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16590 (ASM_CPU_SPEC): Likewise.
16591 (PROCESSOR_NIAGARA): New enum entry.
16592 (REGISTER_MOVE_COST): Handle Niagara.
16593 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
16594 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
16595 (sparc_override_options): Recognize "niagara", set appropriate
16596 default MASK_* values for it, and align functions to 32-bytes
16597 by default just like ULTRASPARC/ULTRASPARC3.
16598 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
16599 (sparc64_initialize_trampoline): Likewise.
16600 (sparc_use_sched_lookahead): Use zero for niagara.
16601 (sparc_issue_rate): Use one for niagara.
16602 * config/sparc/niagara.md: New file.
16603 * config/sparc/sparc.md: Include it.
16604 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
16605 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
16606 when default cpu is niagara.
16607 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16608 (ASM_CPU_SPEC): Likewise.
16609 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
16610 when default cpu is niagara.
16611 (ASM_CPU_SPEC): Handle -mcpu=niagara.
16612 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
16613 just like v9/ultrasparc/ultrasparc3.
16614 * doc/invoke.texi: Add documentation for "niagara" and improve
16615 existing documentation for ultrasparc variants.
16617 2006-03-02 Diego Novillo <dnovillo@redhat.com>
16619 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
16621 2006-03-02 Richard Sandiford <richard@codesourcery.com>
16623 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
16624 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
16625 and say that only one is needed.
16626 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
16627 * target.h (have_switchable_bss_sections): New hook.
16628 * explow.c (use_anchored_address): Check that the symbol is in a block.
16629 * varasm.c (tls_comm_section, comm_section, lcomm_section)
16630 (bss_noswitch_section): New variables.
16631 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
16632 (get_noswitch_section): New function.
16633 (get_block_for_section): Allow SECT to be null.
16634 (unlikely_text_section_p): Use SECTION_STYLE.
16635 (bss_initializer_p): New function.
16636 (get_variable_section): Move earlier in file. Take a new argument,
16637 prefer_noswitch_p. Move bss checks from assemble_variable to here.
16638 Return one of the new *_sections in such cases.
16639 (get_block_for_decl): New function, extracting some logic from
16640 use_blocks_for_decl_p.
16641 (change_symbol_section): Remove in favor of...
16642 (change_symbol_block): ...this new function.
16643 (use_blocks_for_decl_p): Remove checks now performed by
16644 get_block_for_decl.
16645 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
16646 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
16647 (emit_local, emit_bss, emit_common): ...these new functions.
16648 Return true if the alignment was honored.
16649 (emit_tls_common): New function.
16650 (asm_emit_uninitialised): Delete.
16651 (assemble_variable_noswitch): New function, split out from...
16652 (assemble_variable): ...here. Don't make decisions about common
16653 variables here. Globalize all public decls that go into non-common
16654 sections. Check whether SYMBOL_REF_BLOCK is null.
16655 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
16656 (output_constant_pool): Likewise.
16657 (init_varasm_once): Initialize the new section variables.
16658 (have_global_bss_p): New function.
16659 (categorize_decl_for_section): Use bss_initializer_p.
16660 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
16661 (place_block_symbol): Assert that the symbol must be in a block.
16662 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
16663 (TARGET_INITIALIZER): Include it.
16664 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
16665 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
16666 (SECTION_MACH_DEP): Bump by two.
16667 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
16668 (unnamed_section): Mention SECTION_UNNAMED in comment.
16669 (named_section): Likewise SECTION_NAMED.
16670 (noswitch_section_callback): New type.
16671 (noswitch_section): New structure.
16672 (section): Add a noswitch_section alternative.
16673 (SECTION_STYLE): New macro.
16674 (tls_comm_section, comm_section, lcomm_section): Declare.
16675 (bss_noswitch_section, have_global_bss_p): Declare.
16676 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16677 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16679 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16680 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16683 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
16685 * tree-vrp.c (execute_vrp): Return value.
16686 * regrename.c (rest_of_handle_regrename): Ditto.
16687 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
16688 * tree-complex.c (tree_lower_complex): Ditto.
16689 (tree_lower_complex_O0): Ditto.
16690 * tracer.c (rest_of_handle_tracer): Ditto.
16691 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
16692 * postreload.c (rest_of_handle_postreload): Ditto.
16693 * tree-tailcall.c (execute_tail_recursion): Ditto.
16694 (execute_tail_calls): Ditto.
16695 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16696 * tree.h (init_function_for_compilation): Ditto.
16697 * ipa-cp.c (ipcp_driver): Ditto.
16698 * tree-scalar-evolution.c (scev_const_prop): Ditto.
16699 * tree-scalar-evolution.h (scev_const_prop): Ditto.
16700 * final.c (compute_alignments): Ditto.
16701 (rest_of_handle_final): Ditto.
16702 (rest_of_handle_shorten_branches): Ditto.
16703 (rest_of_clean_state): Ditto.
16704 * omp-low.c (execute_expand_omp): Ditto.
16705 (execute_lower_omp): Ditto.
16706 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
16707 * ipa-reference.c (static_execute): Ditto.
16708 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
16709 * reorg.c (rest_of_handle_delay_slots): Ditto.
16710 (rest_of_handle_machine_reorg): Ditto.
16711 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
16712 * flow.c (recompute_reg_usage): Ditto.
16713 (rest_of_handle_remove_death_notes): Ditto.
16714 (rest_of_handle_life): Ditto.
16715 (rest_of_handle_flow2): Ditto.
16716 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
16717 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
16718 (do_ssa_store_ccp): Ditto.
16719 (execute_fold_all_builtins): Ditto.
16720 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
16721 * modulo-sched.c (rest_of_handle_sms): Ditto.
16722 * ipa-pure-const.c (static_execute): Ditto.
16723 * cse.c (rest_of_handle_cse): Ditto.
16724 (rest_of_handle_cse2): Ditto.
16725 * web.c (rest_of_handle_web): Ditto.
16726 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
16727 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
16728 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
16729 * tree-nrv.c (tree_nrv): Ditto.
16730 (execute_return_slot_opt): Ditto.
16731 * tree-ssa-alias.c (compute_may_aliases): Ditto.
16732 (create_structure_vars): Ditto.
16733 * loop-init.c (rtl_loop_init): Ditto.
16734 (rtl_loop_done): Ditto.
16735 (rtl_move_loop_invariants): Ditto.
16736 (rtl_unswitch): Ditto.
16737 (rtl_unroll_and_peel_loops): Ditto.
16738 (rtl_doloop): Ditto.
16739 * gimple-low.c (lower_function_body): Ditto.
16740 (mark_used_blocks): Ditto.
16741 * tree-ssa-sink.c (execute_sink_code): Ditto.
16742 * ipa-inline.c (cgraph_decide_inlining): Ditto.
16743 (cgraph_early_inlining): Ditto.
16744 * global.c (rest_of_handle_global_alloc): Ditto.
16745 * jump.c (cleanup_barriers): Ditto.
16746 (purge_line_number_notes): Ditto.
16747 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
16748 (rest_of_handle_if_after_reload): Ditto.
16749 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
16750 (tree_ssa_loop_im): Ditto.
16751 (tree_ssa_loop_unswitch): Ditto.
16752 (tree_vectorize): Ditto.
16753 (tree_linear_transform): Ditto.
16754 (tree_ssa_loop_ivcanon): Ditto.
16755 (tree_ssa_empty_loop): Ditto.
16756 (tree_ssa_loop_bounds): Ditto.
16757 (tree_complete_unroll): Ditto.
16758 (tree_ssa_loop_prefetch): Ditto.
16759 (tree_ssa_loop_ivopts): Ditto.
16760 (tree_ssa_loop_done): Ditto.
16761 * predict.c (tree_estimate_probability): Ditto.
16762 * recog.c (split_all_insns_noflow): Ditto.
16763 (rest_of_handle_peephole2): Ditto.
16764 (rest_of_handle_split_all_insns): Ditto.
16765 * tree-eh.c (lower_eh_constructs): Ditto.
16766 * regmove.c (rest_of_handle_regmove): Ditto.
16767 (rest_of_handle_stack_adjustments): Ditto.
16768 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
16769 * function.c (instantiate_virtual_regs): Ditto.
16770 (init_function_for_compilation): Ditto.
16771 (rest_of_handle_check_leaf_regs): Ditto.
16772 * gcse.c (rest_of_handle_jump_bypass): Ditto.
16773 (rest_of_handle_gcse): Ditto.
16774 * ipa-type-escape.c (type_escape_execute): Ditto.
16775 * alias.c (rest_of_handle_cfg): Ditto.
16776 * tree-if-conv.c (main_tree_if_conversion): Ditto.
16777 * profile.c (rest_of_handle_branch_prob): Ditto.
16778 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
16779 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
16780 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
16781 * tree-dfa.c (find_referenced_vars): Ditto.
16782 * except.c (set_nothrow_function_flags): Ditto.
16783 (convert_to_eh_region_ranges): Ditto.
16784 (rest_of_handle_eh): Ditto.
16785 * emit-rtl.c (unshare_all_rtl): Ditto.
16786 (remove_unnecessary_notes): Ditto.
16787 * except.h (set_nothrow_function_flags): Ditto.
16788 (convert_to_eh_region_ranges): Ditto.
16789 * cfgexpand.c (tree_expand_cfg): Ditto.
16790 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
16791 * tree-ssa-pre.c (do_pre): Ditto.
16792 (execute_fre): Ditto.
16793 * cfgcleanup.c (rest_of_handle_jump): Ditto.
16794 (rest_of_handle_jump2): Ditto.
16795 * tree-sra.c (tree_sra): Ditto.
16796 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
16797 (execute_mudflap_function_decls): Ditto.
16798 * tree-ssa-copy.c (do_copy_prop): Ditto.
16799 (do_store_copy_prop): Ditto.
16800 * ipa-prop.h (ipcp_driver): Ditto.
16801 * cfglayout.c (insn_locators_initialize): Ditto.
16802 * tree-ssa-forwprop.c
16803 (tree_ssa_forward_propagate_single_use_vars): Ditto.
16804 * cfglayout.h (insn_locators_initialize): Ditto.
16805 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
16806 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
16807 (execute_late_warn_uninitialized): Ditto.
16808 * rtl.h (cleanup_barriers): Ditto.
16809 (split_all_insns_noflow): Ditto.
16810 (purge_line_number_notes): Ditto.
16811 (unshare_all_rtl): Ditto.
16812 (remove_unnecessary_notes): Ditto.
16813 (recompute_reg_usage): Ditto.
16814 (variable_tracking_main): Ditto.
16815 * integrate.c (emit_initial_value_sets): Ditto.
16816 * integrate.h (emit_initial_value_sets): Ditto.
16817 * tree-optimize.c (execute_free_datastructures): Ditto
16818 (execute_free_cfg_annotations): Ditto.
16819 (execute_fixup_cfg): Ditto.
16820 (execute_cleanup_cfg_pre_ipa): Ditto.
16821 (execute_cleanup_cfg_post_optimizing): Ditto.
16822 (execute_init_datastructures): Ditto.
16823 * tree-object-size.c (compute_object_sizes): Ditto.
16824 * combine.c (rest_of_handle_combine): Ditto.
16825 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
16826 * bb-reorder.c (duplicate_computed_gotos): Ditto.
16827 (rest_of_handle_reorder_blocks): Ditto.
16828 (rest_of_handle_partition_blocks): Ditto.
16829 * var-tracking.c (variable_tracking_main): Ditto.
16830 * tree-profile.c (tree_profiling): Ditto.
16831 * tree-vect-generic.c (expand_vector_operations): Ditto.
16832 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
16833 * sched-rgn.c (rest_of_handle_sched): Ditto.
16834 (rest_of_handle_sched2): Ditto.
16835 * basic-block.h (free_bb_insn): Ditto.
16836 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
16837 * tree-cfg.c (execute_build_cfg): Ditto.
16838 (remove_useless_stmts): Ditto.
16839 (split_critical_edges): Ditto.
16840 (execute_warn_function_return): Ditto.
16841 (execute_warn_function_noreturn): Ditto.
16842 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
16843 * cfgrtl.c (free_bb_for_insn): Ditto.
16844 * passes.c (execute_one_pass): Run additional
16845 todos returned by execute function.
16846 * tree-pass.h (struct tree_opt_pass): Make execute
16849 2006-03-02 Richard Guenther <rguenther@suse.de>
16851 * tree-ssa-alias.c (find_used_portions): Consider taking
16852 the address as making the variable not write-only.
16854 2006-03-02 Nick Clifton <nickc@redhat.com>
16856 * config.gcc (default_use_cxa_atexit): Extend the description of
16857 this configure variable. Set its default value to "yes" for
16858 Linux, NetBSD and ELF targets on the assumption that they will
16859 use C libraries with the __cxa_atexit function.
16861 2006-03-02 Ben Elliston <bje@au.ibm.com>
16863 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
16864 parameter as unused to suppress a build warning.
16866 2006-03-02 Ben Elliston <bje@au.ibm.com>
16868 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
16871 2006-03-01 Roger Sayle <roger@eyesopen.com>
16874 * gthr-posix.h (__gthrw2): Define to take three parameters, the
16875 declared name, the weak reference name, and the typeof name.
16876 (__gthrw): Avoid expanding the declared name suffix.
16877 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
16879 2006-03-01 Jakub Jelinek <jakub@redhat.com>
16881 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
16883 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
16884 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
16885 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
16886 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
16887 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
16888 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
16889 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
16890 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
16891 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
16892 DW_DS_leading_separate, DW_DS_trailing_separate): New.
16893 (DW_END_default, DW_END_big, DW_END_little): New.
16894 (DW_END_lo_user, DW_END_hi_user): Define.
16895 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
16896 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
16897 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
16900 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16902 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
16904 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
16906 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
16908 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
16910 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
16911 to 'symbol_mem_tag'.
16913 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
16916 2006-03-01 Roger Sayle <roger@eyesopen.com>
16918 * builtins.c (fold_builtin_copysign): Delete unreachable code.
16920 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16923 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
16924 MACHO_DYNAMIC_NO_PIC_P.
16925 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
16927 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16930 * config/darwin-protos.h (darwin_asm_output_anchor):
16932 * config/darwin-sections.def (cstring_section):
16933 Add SECTION_MERGE to the flags.
16934 (literal4_section): Likewise.
16935 (literal8_section): Likewise.
16936 (objc_selector_refs_section): Likewise.
16937 (objc_cls_refs_section): Likewise.
16938 * config/darwin.c (darwin_asm_output_anchor): New
16940 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16942 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
16944 Fix PR tree-optimization/26443
16945 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
16946 to todo and PROP_tmt_usage to properties_destroyed.
16947 * tree-ssa-ccp.c (pass_ccp): Ditto.
16948 (pass_store_ccp): Ditto.
16949 * tree-ssa-dom.c (pass_dominator): Ditto.
16951 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16953 * tree-ssa-operands.c: Cleanup whitespace.
16954 (get_asm_expr_operands): Move before first invocation.
16955 (get_indirect_ref_operands): Likewise.
16956 (get_tmr_operands): Likewise.
16957 (get_call_expr_operands): Likewise.
16958 (append_def): Likewise.
16959 (append_use): Likewise.
16960 (append_v_may_def): Likewise.
16961 (append_v_must_def): Likewise.
16962 (add_call_clobber_ops): Likewise.
16963 (add_call_read_ops): Likewise.
16964 (add_stmt_operand): Likewise.
16965 (add_virtual_operand): Likewise.
16966 (build_ssa_operands): Likewise.
16968 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16970 PR middle-end/26022
16972 PR middle-end/24437
16973 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16974 with a call expr to ...
16975 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16977 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16979 * tree-vrp.c (extract_range_from_assert): Remove special
16980 handling for types with super-types.
16982 2006-03-01 Ben Elliston <bje@au.ibm.com>
16984 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
16985 and powerpc64-*-linux* configurations.
16986 * config/t-dfprules: New file.
16988 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
16989 Compile dfp-bit.c from the source directory using -DWIDTH and
16990 $DFP_CFLAGS to control the compilation of that file, rather than
16991 generating width-specific versions in the build directory.
16992 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
16993 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
16995 2006-02-28 Zack Weinberg <zackw@panix.com>
16997 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
17000 2006-02-28 Eric Christopher <echristo@apple.com>
17002 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
17003 Set up IN_LIBGCC definition of TARGET_64BIT.
17004 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
17006 2006-02-28 Roger Sayle <roger@eyesopen.com>
17008 PR middle-end/14752
17009 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
17010 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
17011 cases via the construction of "expr != 0".
17013 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
17015 * alias.c (alias_invariant, alias_invariant_size): Remove.
17016 (record_base_value): Remove.
17017 (memrefs_conflict_p): Don't look at alias_invariant.
17018 (end_alias_analysis): Don't free it.
17019 * alias.h (record_base_value): Remove prototype.
17021 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
17022 Adam Nemet <anemet@caviumnetworks.com>
17024 * rtl.h (truncated_to_mode): Declare it.
17025 (struct rtl_hooks): Add reg_truncated_to_mode hook.
17026 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17027 (RTL_HOOKS_INITIALIZER): Include it.
17028 * rtlhooks.c (reg_truncated_to_mode_general): New function.
17029 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17030 reg_truncated_to_mode.
17031 * rtlanal.c (truncated_to_mode): Define it.
17032 * simplify-rtx.c (simplify_unary_operation_1): Use it.
17034 2006-02-28 Jeff Law <law@redhat.com>
17036 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17037 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17038 the range allowed by TYPE_PRECISION.
17040 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
17042 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
17044 PR tree-optimization/26419
17045 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17048 2006-02-27 Zack Weinberg <zackw@panix.com>
17050 * doc/md.texi: Fix typo in previous change.
17052 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
17056 2006-02-27 Zack Weinberg <zackw@panix.com>
17058 * rtl.def (define_constraint, define_register_constraint)
17059 (define_memory_constraint, define_address_constraint): New MD forms.
17060 * gensupport.c (process_rtx): Put define_constraint etc on the
17062 * genpreds.c (process_define_predicate): Adjust comment. Validate
17063 the name, and call validate_exp to validate the expression.
17064 (mark_mode_tests, write_extract_subexp): Can assume correct input.
17065 (write_predicate_expr): Likewise. NAME argument no longer necessary;
17066 all callers changed.
17067 (validate_exp, needs_variable, struct constraint_data)
17068 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17069 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17070 (const_dbl_constraints, constraint_max_namelen)
17071 (have_register_constraints, have_memory_constraints)
17072 (have_address_constraints, have_address_constraints)
17073 (have_extra_constraints, have_const_int_constraints)
17074 (have_const_dbl_constraints, mangle, add_constraint)
17075 (process_define_constraint, process_define_register_constraint)
17076 (write_enum_constraint_num, write_lookup_constraint)
17077 (write_insn_constraint_len, write_regclass_for_constraint)
17078 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17079 (write_insn_extra_memory_constraint)
17080 (write_insn_extra_address_constraint)
17081 (write_satisfies_constraint_fns): New.
17082 (write_tm_preds_h): If we have new-style constraint definitions,
17083 prototype the functions generated from them, and define the
17084 old constraint interface (still used by generic code) in terms of
17086 (write_insn_preds_c): If we have new-style constraint definitions,
17087 generate all relevant functions from those definitions.
17088 (main): Handle define_constraint etc.
17089 * genoutput.c (struct constraint_data, indep_constraints)
17090 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17091 (mdep_constraint_len): New data structures and functions, defined
17092 #ifdef USE_MD_CONSTRAINTS.
17093 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17094 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17095 use new logic to validate operand constraints against constraint
17097 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17099 * defaults.h: If none of the old-style constraint macros are
17100 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17101 old-style macros; and poison REG_CLASS_FROM_LETTER,
17102 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17104 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17105 * doc/md.texi: Document new constraint-definition mechanism and the
17106 C interface it provides. Remove references to old mechanism
17107 elsewhere in the document.
17108 (Machine Constraints): Use pathnames relative to gcc directory,
17109 i.e. config/ARCH/FILE. Change i386 section to refer to
17110 config/i386/predicates.md; update that section to match docstrings.
17111 * doc/tm.texi: Move all documentation of the old constraint-
17112 definition macros to their own section, clearly mark as obsolete.
17114 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17115 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17117 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17118 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17119 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17120 constraint strings.
17121 (splits and peepholes): Use satisfies_constraint_*.
17122 * config/i386/i386.c (memory_address_length)
17123 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17125 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17127 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17128 scalar operation to be put back into the loop.
17130 2006-02-27 Jakub Jelinek <jakub@redhat.com>
17133 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17134 (extract_cie_info): Handle S flag in augmentation string.
17135 (execute_cfa_program): If context->signal_frame, execute also
17136 fs->pc == context->ra instructions.
17137 (uw_frame_state_for): If context->signal_frame, don't subtract one
17138 from context->ra to find FDE.
17139 (uw_update_context_1): Set context->signal_frame to
17141 (_Unwind_GetIPInfo): New function.
17142 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17143 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17145 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17146 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17147 * unwind-compat.c (_Unwind_GetIPInfo): New function.
17148 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17149 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
17150 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
17151 * config/i386/linux-unwind.h (x86_fallback_frame_state,
17152 x86_64_fallback_frame_state): Set fs->signal_frame.
17153 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
17154 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
17155 (frob_update_context): Likewise. Workaround missing S flag in
17156 Linux 2.6.12 - 2.6.16 kernel vDSOs.
17157 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
17158 Remove the psw_addr + 1 hack.
17160 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17162 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
17163 with aggregates here.
17164 (find_func_aliases): Remove code for &<aggregate> from here.
17166 2006-02-26 Roger Sayle <roger@eyesopen.com>
17168 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
17169 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
17170 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
17171 as (X & C) ne/eq 0.
17173 2006-02-26 Roger Sayle <roger@eyesopen.com>
17175 PR middle-end/19983
17176 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
17178 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
17180 * opts.c (decode_options): Do not handle flag_strength_reduce.
17181 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
17182 and OPT_fstrength_reduce.
17183 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
17184 flag_prefetch_loop_arrays for being nonzero.
17185 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
17187 (fprefetch-loop-arrays-rtl): Removed.
17188 (flag_prefetch_loop_arrays): Do not specify the value.
17190 * doc/passes.texi: Update documentation of loop optimizer
17192 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
17193 -frerun-loop-opt): Remove.
17195 2006-02-26 Richard Guenther <rguenther@suse.de>
17197 PR tree-optimization/26421
17198 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
17199 in function calls that are ADDR_EXPRs as using the whole structure.
17201 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
17203 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
17204 * tree-pass.h (pass_loop_optimize): Remove.
17205 * passes.c (pass_loop_optimize): Never run it.
17206 * toplev.c (backend_init): Don't call init_loop.
17207 * opts.c (flag_loop_optimize_set): Remove.
17208 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
17209 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
17210 the old RTL loop optimizer when profiling enabled.
17211 * predict.c (tree_estimate_probability): Always strip builtin_expect.
17212 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
17213 pre-headers for the sake of the old RTL loop optimizer.
17214 * Makefile.in: Remove all references to loop.o.
17216 * doc/invoke.texi: Remove all references to -floop-optimize
17217 and -frerun-loop-opt.
17219 2006-02-26 Zack Weinberg <zackw@panix.com>
17221 * doc/md.texi (Machine Constraints): Refer to all files with paths
17222 relative to gcc directory (i.e. config/CPU/file). Add missing
17223 @table @code ... @end table to M32C subsection.
17225 2006-02-26 Roger Sayle <roger@eyesopen.com>
17227 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
17229 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
17231 2006-02-26 Roger Sayle <roger@eyesopen.com>
17232 James A. Morrison <phython@gcc.gnu.org>
17234 PR middle-end/21137
17235 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
17236 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
17237 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
17238 signedness of the shift operation.
17240 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
17242 PR tree-optimization/26359
17243 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
17245 2006-02-25 Roger Sayle <roger@eyesopen.com>
17247 * simplify-rtx.c (simplify_relational_operation_1): Simplify
17248 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
17249 as X == 0, and some symmetry related transformations.
17250 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
17252 2006-02-25 Roger Sayle <roger@eyesopen.com>
17254 PR middle-end/23673
17255 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
17256 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
17257 symmetry related transformations. Fold (X^C1) == C2 as
17260 2006-02-25 Juergen Weigert <jw@suse.de>
17261 Richard Guenther <rguenther@suse.de>
17263 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
17265 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
17267 * combine.c (gen_lowpart_or_truncate): Call
17268 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
17270 2006-02-24 Diego Novillo <dnovillo@redhat.com>
17272 * doc/invoke.texi: Move -fopenmp description to "Options for
17274 Remove reference to -lgomp.
17276 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17278 * doc/install.texi: Require GNU tar version 1.14.
17280 2006-02-24 Geoffrey Keating <geoffk@apple.com>
17282 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
17283 * doc/invoke.texi (C++ Dialect Options): Document
17284 -fno-use-cxa-get-exception-ptr.
17285 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
17286 * configure: Regenerate.
17287 * c.opt (fuse-cxa-get-exception-ptr): New.
17288 * c-opts.c (c_common_handle_option): Handle
17289 OPT_fuse_cxa_get_exception_ptr.
17290 * c-common.c (flag_use_cxa_atexit): Update documentation.
17291 (flag_use_cxa_get_exception_ptr): New.
17292 * c-common.h (flag_use_cxa_get_exception_ptr): New.
17293 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
17295 (C_COMMON_OVERRIDE_OPTIONS): New.
17297 2006-02-24 Roger Sayle <roger@eyesopen.com>
17299 PR middle-end/24952
17300 * combine.c (try_combine): Explicitly check whether GET_CODE is
17301 a SET or a CLOBBER, instead on checking that it isn't a USE.
17303 2006-02-24 Roger Sayle <roger@eyesopen.com>
17305 * fold-const.c (fold_comparison): New subroutine of fold_binary
17306 containing transformations common to both the equality and
17307 ordering relational operators, factored out of fold_binary.
17308 (fold_binary): Separate out the equality operators (EQ_EXPR
17309 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17310 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17311 transformations common to both.
17312 (fold_div_compare): Fix latent bugs in the previously unreachable
17313 LT_EXPR and GE_EXPR cases.
17315 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17317 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17318 decl libname for clog to __clog on AIX.
17320 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17322 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17325 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17326 output traceback table for thunks. Localise rs6000_stack_info call.
17328 2006-02-23 Roger Sayle <roger@eyesopen.com>
17329 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17331 * gthr-posix.h (__gthrw): Fix typo in comment.
17333 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17335 * doc/cpp.texi (Character sets): Document that we do support
17336 input files to be in any character set.
17338 2006-02-23 Jeff Law <law@redhat.com>
17340 * tree.h (PHI_ARG_NONZERO): Remove.
17341 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17342 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17343 node to the new node.
17345 PR tree-optimization/26425
17346 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17347 min/max, then assume its varying.
17349 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17351 PR rtl-optimization/26316
17352 * rtlanal.c (enum may_trap_p_flags): New.
17353 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17354 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17355 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17356 (may_trap_after_code_motion_p): New function.
17357 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17358 (find_invariant_insn): Use may_trap_after_code_motion_p.
17359 * rtl.h (may_trap_after_code_motion_p): Declare.
17361 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17363 * emit-rtl.c (immed_double_const): Cleanup.
17365 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17367 Fix PR tree-optimization/26376
17368 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17371 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17373 PR middle-end/26412
17374 * gimplify.c (omp_add_variable): Guard variable size decl test with
17375 DECL_SIZE (decl) check.
17377 2006-02-23 Richard Guenther <rguenther@suse.de>
17379 PR middle-end/26439
17380 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17381 like aggregate types.
17383 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17385 * configure.ac: Add --with{,out}-long-double-128 configure option.
17386 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17387 * configure: Rebuilt.
17388 * config.in: Rebuilt.
17389 * doc/install.texi (Options specification): Document
17390 --with-long-double-128.
17392 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17393 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17394 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17395 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17397 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17399 * config/s390/s390.c (override_options): Handle
17400 TARGET_DEFAULT_LONG_DOUBLE_128.
17402 * config/alpha/alpha.c (override_options): Handle
17403 TARGET_DEFAULT_LONG_DOUBLE_128.
17405 * config/sparc/sparc.c (sparc_override_options): Handle
17406 TARGET_DEFAULT_LONG_DOUBLE_128.
17408 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17410 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17411 (real-install-headers-tar, real-install-headers-cpio)
17412 (real-install-headers-cp): New targets.
17414 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17416 * tree.h (variable_section): Delete.
17417 * varasm.c (variable_section): Delete.
17419 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17421 * install.texi: Add notes on install.texi2html.
17422 (Building in parallel): Do not use footnotes.
17424 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17427 * doc/install.texi (Configuration): Document --disable-libgomp.
17429 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17431 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17433 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17435 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17436 (vec_extractv2df_0_sse): New.
17438 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17440 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17441 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17442 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17443 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17444 to the result of the expression.
17445 (def_cfa_1): Adjust.
17446 (frame_pointer_cfa_offset): Rename to...
17447 (frame_pointer_fb_offset): ... this. Adjust all uses.
17448 (convert_cfa_to_loc_list): Rename to...
17449 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17450 Pass it on to build_cfa_loc.
17451 (compute_frame_pointer_to_cfa_displacement): Rename to...
17452 (compute_frame_pointer_to_fb_displacement): ... this. New
17453 offset parameter. Use it in computation.
17454 (gen_subprogram_die): Compute cfa_fb_offset with the new
17455 macro, and use it to compute the fb loc list and the
17458 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17460 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17461 replaced with register_operand.
17462 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17463 non-DREG is expensive.
17464 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17465 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17468 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17470 * doc/install.texi2html: Use set -e.
17472 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17474 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17475 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17476 * doc/invoke.texi (-fshared-data): Delete.
17477 * common.opt (fshared-data): Delete.
17478 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17479 (assemble_static_space): Remove #if 0 code.
17480 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17481 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17482 * config/cris/cris.h: Remove FIXME.
17484 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17486 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17489 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17491 PR middle-end/26379
17492 * combine.c (simplify_shift_const_1): Disable nested shifts
17493 optimization for vector shifts.
17495 2006-02-20 Roger Sayle <roger@eyesopen.com>
17497 PR tree-optimization/26361
17498 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17499 of unsigned integer types.
17501 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17503 * tree-chrec.c (eq_evolutions_p): New.
17504 * tree-chrec.h (eq_evolutions_p): Declared.
17505 * tree-data-ref.c: Fix formatting.
17506 (datadep_stats, dependence_stats): New.
17508 (print_direction_vector): New.
17509 (dump_data_dependence_relation): Use print_direction_vector.
17510 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17511 (compute_subscript_distance): Static.
17512 (initialize_data_dependence_relation): Static. Get the number
17513 of loops surrounding the references from the callers, and initialize
17514 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
17515 base_object_differ_p analyzers.
17516 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
17517 compute_overlap_steps_for_affine_1_2,
17518 analyze_subscript_affine_affine): Count the classified dependences.
17519 Print a message when a test failed.
17520 (can_use_analyze_subscript_affine_affine): New.
17521 (analyze_siv_subscript): Compute the data dependences on symbolic
17522 scevs that verify can_use_analyze_subscript_affine_affine.
17523 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
17524 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
17525 Handle symbolic scevs.
17526 (analyze_overlapping_iterations): Let symbolic affine scevs to be
17528 (subscript_dependence_tester): Moved...
17529 (build_classic_dist_vector, build_classic_dir_vector): Don't use
17530 lambda_vector_clear on newly allocated vectors. Get nb_loops from
17531 DDR_SIZE_VECT instead of getting it in parameter.
17532 (subscript_dependence_tester): ... here. Take as a parameter
17533 loop_nest_depth. Call build_classic_dist_vector and
17534 build_classic_dir_vector.
17535 (compute_affine_dependence): Update subscript_dependence_tester
17536 parameters. Update datadep_stats counters. Call
17537 compute_subscript_distance.
17538 (compute_self_dependence): Save the dist and dir vectors. Call
17539 compute_subscript_distance.
17540 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
17541 (compute_all_dependences): Reorder parameters as they were before
17542 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
17543 compute_subscript_distance. Update the use of
17544 compute_affine_dependence and initialize_data_dependence_relation.
17545 (find_data_references_in_loop): Handle COMPONENT_REF.
17546 (compute_data_dependences_for_loop): Initialize dependence_stats.
17547 Don't call build_classic_dist_vector and build_classic_dir_vector.
17548 Update the parameters of initialize_data_dependence_relation and
17549 compute_all_dependences. Print the statistics from datadep_stats.
17550 (analyze_all_data_dependences): Static. Not used until the pass for
17551 checking the data dependences is contributed.
17552 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
17553 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
17554 (initialize_data_dependence_relation, compute_affine_dependence,
17555 analyze_all_data_dependences, compute_subscript_distance): Removed.
17556 (print_direction_vector): New.
17557 * lambda.h (gcd): ... here.
17558 (lambda_vector_gcd): Moved here from gcd_vector.
17559 * lambda-code.c (gcd, gcd_vector): Removed.
17560 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
17561 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
17563 2006-02-20 Diego Novillo <dnovillo@redhat.com>
17565 * ipa-type-escape.c: Tidy some comments and white space.
17566 * tree-ssa-operands.c: Likewise.
17568 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
17571 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
17572 (dump_decl_name): Do not walk the decl tree chains.
17573 * tree-pass.h (TDF_CHAIN): Remove.
17575 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17577 * Makefile.in (C): Remove
17579 (.PHONY): Remove C and PROTO
17581 2006-02-20 Roger Sayle <roger@eyesopen.com>
17583 PR middle-end/26236
17584 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
17585 deprecated CHAR_TYPE tree code.
17587 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17589 * configure.ac (target_list): Add install-info, dvi, html.
17590 * configure: Regenerate.
17592 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
17593 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
17594 treelang/Make-lang.in: Do not use double-colon rules.
17596 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
17598 * tree.h (struct tree_memory_tag): Add is_used_alone member.
17599 (TMT_USED_ALONE): New macro.
17600 * tree-pass.h (PROP_tmt_usage): New property.
17601 (TODO_update_tmt_usage): New todo.
17602 * tree-ssa-alias.c (updating_used_alone): New variable.
17603 (recalculate_used_alone): New function.
17604 (compute_may_aliases): Set updating_used_alone, call
17605 recalculate_used_alone.
17606 * tree-sra.c (pass_sra): Note that this pass destroys
17607 PROP_tmt_usage, and add TODO_update_tmt_usage.
17608 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
17609 * tree-flow.h (updating_used_alone): Prototype.
17610 (recalculate_used_alone): Ditto.
17611 * passes.c (execute_todo): Add code to set updating_used_alone,
17612 and call recalculate.
17613 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
17614 for clobber if used alone, and add assert to verify used_alone
17617 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
17619 * config/s390/s390.c (legitimize_pic_address): Assertions checking
17620 for non tls symbols added.
17621 (legitimize_address): Do nothing for PLUS expressions if one of the
17622 addends is a tls symbol reference.
17624 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17628 * Makefile.in (LDFLAGS): Define from autoconf substitution.
17630 * Makefile.in (BOOTSTRAPPING): New.
17631 (quickstrap): New definition if BOOTSTRAPPING=yes.
17633 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
17634 * configure.ac: Substitute all_selected_languages with the languages
17635 that were configured. For all the other variables except
17636 lang_specs_files, include all the languages in the tree.
17637 * configure: Regenerate.
17639 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
17640 if there is one. Run the commands to run fixincludes in the same
17643 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
17644 * doc/install.texi: Document exact conventions for searching target tools.
17645 Document --with-build-time-tools. Document toplevel bootstrap. Document
17646 something more about building an Ada cross-compiler. Don't list GNU Make
17647 requirements which affect all platforms.
17649 2006-02-19 Roger Sayle <roger@eyesopen.com>
17651 PR middle-end/19543
17652 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
17653 only equivalent if the have both the same mode and precision.
17655 2006-02-20 Ben Elliston <bje@au.ibm.com>
17657 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
17659 2006-02-19 Roger Sayle <roger@eyesopen.com>
17660 Steven Bosscher <stevenb.gcc@gmail.com>
17662 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
17663 constant pool references to identify stack mode constants.
17664 * rtlanal.c (constant_pool_constant_p): New predicate to check
17665 whether operand is a floating point constant in the pool.
17666 * rtl.h (constant_pool_constant_p): Prototype here.
17667 * loop.c (scan_loop): Avoid hoisting constants from the constant
17668 pool on STACK_REGS targets.
17669 (load_mems): Likewise.
17670 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
17671 loads into x87 registers expensive in terms of register pressure.
17673 2006-02-19 Roger Sayle <roger@eyesopen.com>
17675 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
17676 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
17678 2006-02-19 David Edelsohn <edelsohn@gnu.org>
17680 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17681 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
17683 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
17685 * doc/invoke.texi: Document -fipa-pta.
17686 * common.opt: Add ipa-pta option.
17687 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
17688 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
17689 (do_ds_constraint): Ditto.
17690 (get_constraint_for): Only add to referenced_vars if
17691 referenced_vars exists.
17692 (insert_into_field_list): Rewrite to do this unsorted.
17693 (insert_into_field_list_sorted): Rename old insert_into_field_list
17695 (create_function_info_for): Use insert_into_field_list_sorted.
17696 (create_variable_info_for): Rewrite so it uses unsorted version,
17697 since the field list is sorted.
17698 (intra_create_variable_infos): Only add to referenced_vars if
17699 referenced_vars exists.
17700 (ipa_pta_execute): Init heapvars, and delete when done.
17701 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
17703 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17705 * doc/install.texi: Add missing `@samp'.
17707 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17709 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
17712 2006-02-18 Mark Wielaard <mark@klomp.org>
17714 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
17715 who added new 4.1 features, bug fixes and integration support.
17717 2006-02-18 David Edelsohn <edelsohn@gnu.org>
17720 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
17721 MEM for ABI_V4 pic.
17723 2006-02-18 Richard Sandiford <richard@codesourcery.com>
17725 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
17726 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
17727 (copy_insn_1): Likewise. Don't copy each field individually.
17729 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
17731 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
17732 * rtl.c (rtx_size): Rename variable to...
17733 (rtx_code_size): ...this.
17734 (rtx_size): New function.
17735 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
17736 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
17738 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
17739 * rtl.h (rtx_code_size): New variable.
17740 (rtx_size): Change from a variable to a function.
17741 (RTX_SIZE): Rename to...
17742 (RTX_CODE_SIZE): ...this.
17745 PR tree-optimization/17106
17746 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
17747 (Anchored Addresses): New section.
17748 * doc/invoke.texi (-fsection-anchors): Document.
17749 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
17750 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
17751 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
17752 * hooks.c (hook_bool_mode_rtx_false): New function.
17753 * hooks.h (hook_bool_mode_rtx_false): Declare.
17754 * gengtype.c (create_optional_field): New function.
17755 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
17756 SYMBOL_REF_IN_BLOCK_P is true.
17757 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
17758 (min_anchor_offset, max_anchor_offset): Likewise.
17759 (use_anchors_for_symbol_p): New hook.
17760 * toplev.c (compile_file): Call output_object_blocks.
17761 (target_supports_section_anchors_p): New function.
17762 (process_options): Check that -fsection-anchors is only used on
17763 targets that support it and when -funit-at-a-time is in effect.
17764 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
17765 if the decl doesn't have one.
17766 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
17767 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
17768 of force_const_mem through use_anchored_address.
17769 (expand_expr_constant): New function.
17770 (expand_expr_addr_expr_1): Call it. Use the same modifier when
17771 calling expand_expr for INDIRECT_REF.
17772 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
17773 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
17774 * expr.h (use_anchored_address): Declare.
17775 * loop-unroll.c: Don't declare rtx vectors here.
17776 * explow.c: Include output.h.
17777 (validize_mem): Call use_anchored_address.
17778 (use_anchored_address): New function.
17779 * common.opt (-fsection-anchors): New switch.
17780 * varasm.c (object_block_htab, anchor_labelno): New variables.
17781 (hash_section, object_block_entry_eq, object_block_entry_hash)
17782 (use_object_blocks_p, get_block_for_section, create_block_symbol)
17783 (use_blocks_for_decl_p, change_symbol_section): New functions.
17784 (get_variable_section): New function, split out from assemble_variable.
17785 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
17786 use_blocks_for_decl_p say so. Use change_symbol_section if the
17787 symbol has already been created.
17788 (assemble_variable_contents): New function, split out from...
17789 (assemble_variable): ...here. Don't output any code for
17790 block symbols; just pass them to place_block_symbol.
17791 Use get_variable_section and assemble_variable_contents.
17792 (get_constant_alignment, get_constant_section, get_constant_size): New
17793 functions, split from output_constant_def_contents.
17794 (build_constant_desc): Create a block symbol if use_object_blocks_p
17795 says so. Or into SYMBOL_REF_FLAGS.
17796 (assemble_constant_contents): New function, split from...
17797 (output_constant_def_contents): ...here. Don't output any code
17798 for block symbols; just pass them to place_section_symbol.
17799 Use get_constant_section and get_constant_alignment.
17800 (force_const_mem): Create a block symbol if use_object_blocks_p and
17801 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
17802 (output_constant_pool_1): Add an explicit alignment argument.
17803 Don't switch sections here.
17804 (output_constant_pool): Adjust call to output_constant_pool_1.
17805 Switch sections here instead. Don't output anything for block symbols;
17806 just pass them to place_block_symbol.
17807 (init_varasm_once): Initialize object_block_htab.
17808 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
17809 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
17810 (place_block_symbol, get_section_anchor, output_object_block)
17811 (output_object_block_htab, output_object_blocks): New functions.
17812 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
17813 (TARGET_ASM_OUT): Include it.
17814 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
17815 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
17816 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
17817 (TARGET_INITIALIZER): Include them.
17818 * rtl.c (rtl_check_failed_block_symbol): New function.
17819 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
17820 (block_symbol, object_block): New structures.
17821 (rtx_def): Add a block_symbol field to the union.
17822 (BLOCK_SYMBOL_CHECK): New macro.
17823 (rtl_check_failed_block_symbol): Declare.
17824 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
17825 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
17826 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
17827 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
17828 * output.h (output_section_symbols): Declare.
17829 (object_block): Name structure.
17830 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
17831 (default_use_anchors_for_symbol_p): Declare.
17832 * Makefile.in (RTL_BASE_H): Add vec.h.
17833 (explow.o): Depend on output.h.
17834 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
17835 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
17836 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
17837 (rs6000_use_blocks_for_constant_p): New function.
17839 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17841 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
17843 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17846 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
17849 2006-02-18 Diego Novillo <dnovillo@redhat.com>
17851 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
17855 2006-02-18 Jakub Jelinek <jakub@redhat.com>
17857 PR middle-end/26334
17858 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
17859 instead of DECL_REGISTER.
17861 2006-02-18 Olivier Hainque <hainque@adacore.com>
17864 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
17866 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
17869 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
17870 * opth-gen.awk: Handle Var and InverseMask together.
17871 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
17872 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
17873 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
17874 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
17876 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17877 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17878 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
17879 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17880 LINUX_DYNAMIC_LINKER): Define.
17881 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
17882 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
17884 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17885 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
17886 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17887 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17888 (TARGET_C99_FUNCTIONS): Don't define.
17889 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
17890 GLIBC_DYNAMIC_LINKER.
17891 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
17892 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
17893 GLIBC_DYNAMIC_LINKER64): Define.
17894 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17895 LINUX_DYNAMIC_LINKER64.
17896 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17897 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17898 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
17899 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17900 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17901 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17902 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
17903 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
17904 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
17905 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
17906 and LINUX_DYNAMIC_LINKER32.
17907 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17908 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17909 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
17910 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17911 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
17913 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
17914 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
17915 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17916 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17917 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17918 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
17919 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
17920 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
17921 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17922 LINUX_DYNAMIC_LINKER): Define.
17923 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
17924 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
17925 GLIBC_DYNAMIC_LINKER64): Define.
17926 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17927 LINUX_DYNAMIC_LINKER64.
17928 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17929 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17930 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
17931 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17932 LINUX_DYNAMIC_LINKER): Define.
17933 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17934 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17935 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
17936 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
17937 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
17938 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17939 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
17940 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
17941 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17942 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17943 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17944 * doc/invoke.texi (-muclibc): Remove caveat about supported
17947 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
17949 * doc/cpp.texi (__TIMESTAMP__): Document.
17951 2006-02-17 Roger Sayle <roger@eyesopen.com>
17953 PR middle-end/25600
17954 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
17955 C is one less than the width of X (and related transformations).
17956 * simplify-rtx.c (simplify_unary_operation_1): Transform
17957 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
17958 depending on STORE_FLAG_VALUE, were C is one less then the
17961 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
17963 Fix PR tree-optimization/26341
17964 * tree-ssa-operands.c (add_virtual_operand): Remove assert
17965 about NAME_MEMORY_TAG's.
17967 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17970 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
17971 with hardware float support, and software float support. Add fcpy
17972 alternative to hardware patterns. Add alternatives to copy between
17973 general and floating-point registers to the 32-bit pattern.
17974 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
17975 secondary reload to load a QI or HI mode constant into a floating
17977 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
17978 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
17980 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
17983 * config/rs6000/darwin.md (load_macho_picbase_si): Add
17985 (load_macho_picbase_di): Likewise.
17987 2006-02-16 Jeff Law <law@redhat.com>
17989 * tree-vrp.c (set_value_range_to_nonnegative): New function.
17990 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
17991 (ssa_name_nonzero_p): Likewise.
17992 (get_value_range): Return NULL if VRP is not running.
17993 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
17994 VRP routines do not discover a range.
17995 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
17996 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
17997 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
17998 (tree_expr_nonnegative_p): Similarly.
17999 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
18000 (restore_nonzero_vars_to_original_value): Remove.
18001 (unsafe_associative_fp_binop): Remove.
18002 (tree_ssa_dominator_optimize): Remove initialization and
18003 finalization of nonzero_vars and nonzero_vars_stack.
18004 (dom_opt_initialize_block): No longer push marker on
18005 nonzero_vars_stack.
18006 (dom_opt_finalize_block): No longer call
18007 restore_nonzero_vars_to_original_value.
18008 (record_equivalences_from_phis): No longer look for
18009 nonzero PHI arguments.
18010 (cprop_into_successor_phis): No longer propagate nonzero
18011 property into PHI arguments. Lose unused argument. Caller
18013 (record_equivalences_from_stmt): No longer record nonzero
18014 values for SSA_NAMEs.
18015 (lookup_avail_expr): No longer use nonzero_vars.
18017 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
18018 for sizetype when sizetype is unsigned.
18020 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
18022 PR rtl-optimization/25603
18023 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18024 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18025 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18026 with new meaning of SETS.
18028 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
18033 * config/linux.opt: New file.
18034 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18035 LINUX_DYNAMIC_LINKER): Define.
18036 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18037 * config.gcc (*-*-linux*): Define extra_options.
18038 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
18039 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18040 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18041 GLIBC_DYNAMIC_LINKER.
18042 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18043 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18044 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18045 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18046 * doc/invoke.texi (GNU/Linux Options): New section.
18048 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
18050 * config/sparc/sparc.md (setjmp): Rewrite.
18051 (setjmp_32): Delete.
18052 (setjmp_64): Likewise.
18054 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
18056 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18059 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18061 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18064 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18066 PR rtl-optimization/26296
18067 * Makefile.in (loop-invariant.c): Add except.h dependency.
18068 * loop-invariant.c: Include except.h.
18069 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18071 2005-02-16 Paul Brook <paul@codesourcery.com>
18073 * reload1.c (emit_reload_insns): Invalidate dead input registers used
18076 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
18078 PR rtl-optimization/25636
18079 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18080 when deciding whether an insn is an initializing insn.
18082 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
18084 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18085 (tree_code_size): Ditto.
18086 * tree.h (struct tree_memory_tag): Remove parent_var.
18087 (struct tree_struct_field_tag): New.
18090 (union tree_node): Add sft member.
18091 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18093 (create_sft): Add size and offset argument, set SFT_OFFSET and
18095 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18096 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18097 * tree-flow-inline.h (get_subvar_at): Update for
18098 SFT_OFFSET/SFT_SIZE.
18099 (var_can_have_subvars): Ditto.
18100 (overlap_subvar): Ditto.
18101 * print-tree.c (print_node): Print out interesting things for
18103 * tree-flow.h (struct subvar): Remove offset and size members.
18104 * tree-ssa-operands.c (get_expr_operands): Update for
18105 get_indirect_ref_operands changes.
18106 (get_indirect_ref_operands): Call add_virtual_operand instead of
18107 add_stmt_operand. Only recurse on base var if requested.
18108 (access_can_touch_variable): New function.
18109 (add_stmt_operand): Split virtual operand handling into ...
18110 (add_virtual_operand): Here. Add offset, size, and for_clobber
18111 arguments. Prune alias sets.
18112 (add_call_clobber_ops): Call add_virtual_operand.
18114 2006-02-15 Jakub Jelinek <jakub@redhat.com>
18116 PR middle-end/26300
18117 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18119 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18120 than TREE_CODE as index into omp_clause_num_ops array.
18122 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
18124 PR rtl-optimization/26184
18125 * modulo-sched.c (generate_reg_moves): Free bitmap vector
18127 * modulo-sched.c (sms_schedule): Free g_arr pointer.
18128 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18129 must_precede, must_follow and tobe_scheduled.
18132 * opts.c (common_handle_option): Free new_option pointer.
18133 * df-core.c (df_analyze): Free postorder pointer.
18135 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18137 * Makefile.in: Fix the examples about the use of stamps
18139 2006-02-15 Michael Matz <matz@suse.de>
18141 PR middle-end/22275
18143 * stor-layout.c (layout_decl): Zero-width bitfields aren't
18144 influenced by maximum_field_alignment or DECL_PACKED.
18145 (update_alignment_for_field): Ditto.
18146 (place_field): Ditto.
18147 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18150 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
18152 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
18153 (debug_flow_info): Pass it.
18154 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
18155 * bb-reorder.c (reorder_basic_blocks): Likewise.
18156 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
18157 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
18158 * flow.c (life_analysis, recompute_reg_usage): Likewise.
18159 * gcse.c (gcse_main, bypass_jumps): Likewise.
18160 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
18161 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
18162 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
18163 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
18164 * rtl.h (dump_flow_info): Adjust prototype.
18165 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
18166 * var-tracking.c (variable_tracking_main): Likewise.
18167 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
18168 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
18171 2006-02-15 Marcin Dalecki <martin@dalecki.de>
18173 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18176 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18178 PR tree-optimization/26209
18179 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
18180 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
18182 * tree-cfg.c (replace_uses_by): Do not alter cfg.
18184 2006-02-14 Roger Sayle <roger@eyesopen.com>
18186 PR middle-end/23670
18187 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
18188 (X,Y) and the corresponding symmetry related transformations.
18189 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
18190 (X,Y) and its symmetry related transformations.
18192 2006-02-14 Roger Sayle <roger@eyesopen.com>
18194 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
18197 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
18199 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18201 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18204 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
18205 support COMDAT group.
18206 * configure: Regenerate.
18208 2006-02-14 Roger Sayle <roger@eyesopen.com>
18210 PR middle-end/26279
18211 PR middle-end/26280
18212 PR middle-end/26283
18213 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
18215 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
18217 Fix PR tree-optimization/26260
18219 * doc/invoke.texi (max-fields-for-field-sensitive): Document
18221 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
18222 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
18223 * tree-ssa-structalias.c (create_variable_info_for): Use
18224 MAX_FIELDS_FOR_FIELD_SENSITIVE.
18226 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18228 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
18230 * tree-ssa-loop-niter.c (number_of_iterations_ne,
18231 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
18232 of the ending condition.
18233 * tree-ssa-loop-manip.c: Include params.h.
18234 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
18235 tree_unroll_loop): New functions.
18236 * tree-pass.h (pass_loop_prefetch): Declare.
18237 * loop.c (rest_of_handle_loop_optimize): Test for
18238 -fprefetch-loop-arrays-rtl.
18239 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
18240 * timevar.def (TV_TREE_PREFETCH): New timevar.
18241 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
18242 pass_loop_prefetch): New.
18243 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
18244 (cleanup_tree_cfg_loop): Call scev_reset.
18245 * common.opt (fprefetch-loop-arrays-rtl): Add.
18246 * tree-ssa-loop-prefetch.c: New file.
18247 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
18248 (new_temp_expr_table): Initialize expr_vars.
18249 (free_temp_expr_table): Cleanup expr_vars.
18250 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
18251 expressions from being merged into one.
18252 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
18253 (struct tree_niter_desc): Add control, bound and cmp fields.
18254 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
18256 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
18257 (tree-cfgcleanup.o): Add SCEV_H dependency.
18258 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
18259 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
18261 2006-02-14 Richard Guenther <rguenther@suse.de>
18263 PR tree-optimization/26258
18264 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
18265 in PHI argument processing.
18267 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
18269 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
18270 new expression in the requested machine mode.
18272 2006-02-13 Roger Sayle <roger@eyesopen.com>
18274 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
18275 directly, instead let do_compare_rtx_and_jump handle this for us.
18276 * expr.c (expand_expr_real_1): Likewise.
18277 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
18278 before do_jump_by_parts_greater.
18279 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
18280 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
18282 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18284 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
18286 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18288 PR rtl-optimization/26235
18289 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
18290 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
18293 2006-02-13 Jeff Law <law@redhat.com>
18295 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18298 2006-02-13 Jakub Jelinek <jakub@redhat.com>
18300 PR middle-end/26092
18301 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18302 twice if decl is a builtin. When trying again, call get_callee_fndecl
18303 first to verify it is still a builtin.
18305 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18307 * dwarf2out.c (base_type_die): Don't add AT_name here.
18308 (subrange_type_die): Don't add AT_name here.
18309 (modified_type_die): Rearrange code flow. Do add AT_name here.
18311 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18313 PR rtl-optimization/26247
18314 PR rtl-optimization/26248
18315 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18317 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18319 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18320 * config/fixtfdi.c: Likewise.
18321 * config/fixunstfdi.c: Likewise.
18322 * config/floatditf.c: Likewise.
18324 2006-02-13 Roger Sayle <roger@eyesopen.com>
18326 PR middle-end/24427
18327 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18328 into (X,C2) if C1 is a subset of the bits of C2. Transform
18329 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18331 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18333 2006-02-13 Josh Conner <jconner@apple.com>
18336 * varasm.c (function_section): Check for section name before
18337 calling select_section on targets that define
18338 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18339 unlikely_text_section instead of hot_function_section if
18340 first_function_block_is_cold.
18342 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18344 PR middle-end/25335
18345 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18347 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18349 PR rtl-optimization/26222
18350 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18351 after tree->rtl expansion.
18352 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18353 before passing it to emit_move_insn.
18355 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18357 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18359 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18360 Clarify documentation.
18361 * c-common.h (warn_write_strings): Remove.
18362 * c-common.c (warn_write_strings): Likewise.
18363 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18366 2006-02-12 Roger Sayle <roger@eyesopen.com>
18368 PR middle-end/25724
18369 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18370 (do_jump_parts_zero_rtx): New function renamed from
18371 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18372 (do_jump_parts_equality_rtx): New function split out from
18373 do_jump_parts_equality. Old implementation renamed as above.
18374 Call do_jump_parts_zero_rtx if either operand is zero.
18375 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18376 do all of the heavy lifting.
18377 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18378 calling either do_jump_by_parts_greater_rtx or
18379 do_jump_by_parts_equality_rtx.
18380 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18381 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18382 moved to do_compare_rtx_and_jump, call it directly.
18383 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18384 mode argument. Call do_compare_rtx_and_jump.
18385 (emit_case_nodes): Update calls to do_jump_if_equal.
18387 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18389 PR rtl-optimization/26225
18390 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18392 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18394 PR rtl-optimization/26232
18395 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18397 2006-02-11 Jason Merrill <jason@redhat.com>
18400 * tree-inline.c (declare_return_variable): Just don't use the
18401 modify target if it's a gimple complex reg and the return slot
18404 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18406 * doc/contrib.texi: Update my entry.
18408 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18410 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18412 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18414 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18417 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18419 * doc/invoke.texi (-floop-optimize2): Removed.
18420 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18421 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18422 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18423 * common.opt (floop-optimize2): Removed.
18424 (fmove-loop-invariants): Enabled by default.
18426 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18428 * tree-if-conv.c (combine_blocks): Free the result of
18429 get_loop_exit_edges.
18431 2006-02-10 Jeff Law <law@redhat.com>
18433 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18435 PR tree-optimization/26213
18436 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18437 loop trying to follow SSA_NAME_VALUE chains.
18439 2006-02-10 Richard Guenther <rguenther@suse.de>
18441 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18442 deal with structures that end in implicitly variable sized arrays.
18444 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18446 PR rtl-optimization/24762
18447 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18450 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18452 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18453 (struct ivopts_data): Add regs_used field.
18454 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18455 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18456 instead of loop_data->regs_used;
18457 (free_loop_data): Do not free aux fields for loops.
18458 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18459 and tree_ssa_iv_optimize_finalize.
18461 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18463 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18465 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18468 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18469 computing the effective result type.
18471 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18473 PR inline-asm/16194
18474 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18475 (tree_overlaps_hard_reg_set): Declare.
18476 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18477 type and signature to match function type expected by walk_tree.
18478 (tree_overlaps_hard_reg_set): New function.
18479 (decl_conflicts_with_clobbers_p): Rename to:
18480 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18481 Use tree_overlaps_hard_reg_set. Changed caller.
18482 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18483 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18484 * cris.c (cris_md_asm_clobbers): Likewise.
18486 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18488 * reload1.c (emit_input_reload_insns): Delete code that tries to
18489 inherit using find_equiv_reg.
18491 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18493 * c-common.h (flag_const_strings): Don't declare.
18494 * c-common.c (flag_const_strings): Remove.
18495 * c.opt (fconst_strings): Remove.
18496 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18497 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18498 (c_common_init_options): Don't set flag_const_strings.
18499 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18501 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18503 * arm.md (tlobits_cbranch): New pattern.
18504 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18505 testing a single bit.
18507 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18510 * tree-ssa-pre.c (create_component_ref_by_pieces):
18511 Handle RETURN_DECL like VAR_DECL.
18513 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18515 PR middle-end/26134
18516 * fold-const.c (fold_indirect_ref_1): Fold
18517 "*(foo *)&complexfoo" to "__real__ complexfoo"
18518 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
18520 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18522 * tree-flow-inline.h (var_can_have_subvars):
18523 Volatile variables should not have subvariables.
18525 2006-02-09 Diego Novillo <dnovillo@redhat.com>
18528 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18529 multiplying unsigned values.
18532 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
18534 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
18536 2006-02-08 Jason Merrill <jason@redhat.com>
18539 * tree.def: Elaborate on difference from MODIFY_EXPR.
18540 * doc/c-tree.texi (INIT_EXPR): Likewise.
18541 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
18542 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
18543 (gimplify_target_expr): Likewise.
18544 (gimplify_cond_expr): Remove target handling.
18545 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
18546 (gimplify_expr): Clobber it here.
18547 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
18548 Do return slot optimization if we have an INIT_EXPR.
18551 * tree-inline.c (declare_return_variable): Also clear
18552 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
18555 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
18557 PR middle-end/22439
18558 * gimplify.c (gimplify_one_sizepos): Fix typo.
18560 2006-02-08 Jeff Law <law@redhat.com>
18562 PR tree-optimization/21417
18563 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
18564 across a backedge if the control statement at the end of the
18565 block is data dependent on other statements in the same block.
18566 (record_temporary_equivalences_from_stmts): Remove over-conservative
18567 test for threading across backedges.
18569 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
18570 control statement, handle all three special cases in the same
18571 manner as they all have the same desired solution. No longer
18572 special case edge flag updating when the post dominator is
18575 2006-02-08 Roger Sayle <roger@eyesopen.com>
18577 * tree.def (CHAR_TYPE): Remove.
18578 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
18579 * dwarf2out.c (base_type_die, is_base_type): Likewise.
18580 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
18581 (gen_string_type_die): Delete unreachable function.
18583 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
18584 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
18585 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
18586 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
18587 * builtins.c (type_to_class): Likewise.
18588 * fold-const.c (fold_convert, build_range_check,
18589 merge_ranges): Likewise.
18590 * expr.c (count_type_elements): Likewise.
18591 * c-pretty-print.c (pp_c_type_specifier): Likewise.
18592 * stor-layout.c (layout_type): Likewise.
18593 * ipa-type-escape.c (type_to_consider): Likewise.
18594 * gimplify.c (omp_firstprivatize_type_sizes,
18595 gimplify_type_sizes): Likewise.
18596 * explow.c (promote_mode): Likewise.
18597 * tree-sra.c (is_sra_scalar_type): Likewise.
18598 * varasm.c (output_constant): Likewise.
18599 * tree-inline.c (remap_type_1): Likewise.
18600 * convert.c (convert_to_pointer, convert_to_real,
18601 convert_to_integer, convert_to_complex): Likewise.
18603 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
18605 * df-scan.c (df_def_record_1): A set destination may
18606 be a parallel regardless of mode.
18608 2006-02-08 Roger Sayle <roger@eyesopen.com>
18611 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
18612 * config/mips/_tilib.c: Remove.
18613 * config/fixtfdi.c: New libgcc source file.
18614 * config/fixunstfdi.c: New source file.
18615 * config/floatditf.c: New source file.
18616 * config/floatunditf.c: New souce file.
18617 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
18618 files above instead of config/mips/_tilib.c.
18619 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
18621 2006-02-08 Jeff Law <law@redhat.com>
18623 PR tree-optimization/26169
18624 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
18627 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
18629 * df.h (DF_REG_SIZE): Return the length of the initialized
18632 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
18634 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
18635 __muldf3): Return a correctly signed zero.
18637 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
18639 * passes.c (register_one_dump_file): Accept the current properties
18640 instead of pass number. Adjust call to dump_register. Remove
18642 (register_dump_files): Now a wrapper around...
18643 (register_dump_files_1): ... this one. Do not modify the pass
18645 (next_pass_1): Cosmetic fix.
18646 (execute_todo): Keep second parameter only. Use curr_properties
18647 instead of fetching it from the pass structure. Check and set
18649 (execute_one_pass): Handle TODO_set_props. Use curr_properties
18650 instead of fetching it from the pass structure. Fix calls to
18651 execute_todo. Update curr_properties and initialize .vcg RTL dump
18652 after running the pass. Reset last_verified.
18653 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
18655 (FIRST_AUTO_NUMBERED_DUMP): New.
18656 (dump_register): Remove "num" parameter, assign it within the
18658 (get_dump_file_name): Modify template for dumps.
18659 * tree-dump.h (dump_register): Adjust prototype.
18660 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
18661 (PROP_trees): Add PROP_gimple_lomp.
18662 (TODO_set_props): New.
18663 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
18664 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
18665 * cfgexpand.c (pass_expand): Destroy PROP_trees.
18667 2006-02-08 Jakub Jelinek <jakub@redhat.com>
18669 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
18670 (sparc64-*-linux*): Likewise.
18671 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
18672 * config/sparc/t-linux: New file.
18673 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
18674 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
18675 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
18676 -m32 -mlong-double-128.
18678 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
18679 * config/alpha/t-linux: New file.
18680 * config/alpha/libgcc-alpha-ldbl.ver: New file.
18682 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
18683 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
18684 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
18685 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
18686 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
18687 (CPP_ARCH32_SPEC): Remove.
18689 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
18691 PR tree-optimization/26145
18692 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
18695 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18698 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
18699 >= 240000 when generating code for SOM runtime.
18700 (output_indirect_call): Don't use "b,l" instruction for indirect calls
18701 to $$dyncall when generating code for SOM runtime..
18703 2006-02-07 Dirk Mueller <dmueller@suse.com>
18706 * doc/invoke.texi (-Wsequence-point): Update documentation
18707 that -Wsequence-point is implemented for C++ as well.
18709 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18711 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
18712 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
18713 (LIB_SPEC): Likewise.
18714 * doc/invoke.texi (SPARC options): Document -pthread.
18716 2006-02-07 Geoffrey Keating <geoffk@apple.com>
18718 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
18721 2006-02-07 Roger Sayle <roger@eyesopen.com>
18723 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
18724 Correct comment describing BOOLEAN_TYPE.
18726 2006-02-07 Dirk Mueller <dmueller@suse.com>
18728 * c.opt: C++ frontend supports -Wdiv-by-zero.
18729 * c-opts.c (c_common_handle_option): Remove dead case.
18731 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18733 * configure.ac (TLS assembler check): Do not enable TLS by
18734 default on SPARC/Solaris before version 10.
18735 * configure: Regenerate.
18737 2006-02-07 David Edelsohn <edelsohn@gnu.org>
18739 * doc/invoke.texi (xl-compat): Document conversion and support
18742 2006-02-07 Jeff Law <law@redhat.com>
18744 * tree-vrp.c (find_conditional_asserts): Update comments.
18745 (simplify_stmt_for_jump_threading): New.
18746 (identify_jump_threads, finalize_jump_threads): New.
18747 (vrp_finalize): Call identify_jump_threads.
18748 (execute_vrp): Call finalize_jump_threads.
18749 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
18750 (vrp_element, vrp_data, vrp_element_p): Remove.
18751 (vrp_hash_elt, vrp_variables_stack): Remove.
18752 (vrp_hash, vrp_eq, record_range): Remove.
18753 (simplify_cond_and_lookup_avail_expr): Remove.
18754 (extract_range_from_cond): Remove.
18755 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
18756 (simplify_stmt_for_jump_threading): New.
18757 (dom_thread_across_edge): New wrapper.
18758 (tree_ssa_dominator_optimize): No longer initialize or
18759 finalize any of the VRP datastructures. Remove iteration
18760 step and simplify as a result of removal of iteration step.
18761 (pass_dominator): Perform a cfg cleanup after DOM.
18762 (dom_opt_finalize_block): Use the new common routines
18763 for threading jumps. Simplify stack management slightly.
18764 No longer need to unwind VRP state.
18765 (record_equivalences_from_incoming_edge): No longer record
18767 (eliminate_redundant_computations): No longer call
18768 simplify_cond_and_lookup_avail_expr.
18769 * tree-flow.h (potentially_threadable_block): Prototype.
18770 (thread_across_edge): Likewise.
18771 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
18772 (tree-ssa-threadedge.o): Add dependencies.
18773 * tree-ssa-threadedge.c: New file.
18774 * passes.c (init_optimization_passes): Merge PHIs before
18775 calling VRP. Run VRP again late in the SSA optimization pipeline.
18777 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18779 * df-core.c (df_set_blocks): Do not dereference function pointers.
18780 (df_finish1): Likewise.
18781 (df_hybrid_search_forward): Likewise.
18782 (df_hybrid_search_backward): Likewise.
18783 (df_iterative_dataflow): Likewise.
18784 (df_analyze_problem): Likewise.
18785 (df_compact_blocks): Likewise.
18786 (df_dump): Likewise.
18787 * df-scan.c (df_rescan_blocks): Likewise.
18788 (df_record_entry_block_defs): Likewise.
18790 * genconditions.c (write_conditions): Guard the definition of
18791 'insn_conditions' with the check on GCC version.
18792 (write_writer): Guard the traversal 'insn_conditions' with
18793 the check on GCC version.
18795 2006-02-07 Richard Guenther <rguenther@suse.de>
18799 2006-01-30 Richard Guenther <rguenther@suse.de>
18801 * gimplify.c (gimplify_target_expr): Handle easy cases
18802 without creating a temporary.
18804 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
18806 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
18807 use of float in probability computations. Use edge probabilities
18808 in place of statically computed probabilities.
18809 (min_spec_prob): New static variable.
18810 (schedule_insns): Initialize it.
18811 (GET_SRC_PROB): Removed.
18812 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
18814 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
18817 * config/ia64/unwind-ia64.c: Revert last change.
18818 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
18819 (INCOMING_FRAME_SP_OFFSET): Define.
18821 2006-02-06 Roger Sayle <roger@eyesopen.com>
18823 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
18825 2006-02-07 Ben Elliston <bje@au.ibm.com>
18827 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
18828 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
18829 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
18830 (ix86_return_in_memory): Handle TDmode.
18831 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
18832 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
18834 2006-02-06 Richard Sandiford <richard@codesourcery.com>
18836 * reorg.c (dbr_schedule): Use dump_file instead of file.
18838 2006-02-06 Steve Ellcey <sje@cup.hp.com>
18841 * config/ia64/predicates.md (extr_len_operand): New predicate.
18842 * config/ia64/ia64.md (extv): Tighten constraints.
18844 (*tbit_and_2): Ditto.
18845 (*tbit_and_3): Ditto.
18846 (*tbit_or_2): Ditto.
18847 (*tbit_or_3): Ditto.
18848 (*bit_zero): Ditto.
18851 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
18854 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
18856 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
18858 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
18859 loop_optimizer_init and loop_optimizer_finalize
18860 * tree-ssa-sink.c (execute_sink_code): Ditto.
18861 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
18862 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
18863 tree_ssa_loop_done): Ditto.
18864 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
18865 * sched-ebb.c: Include output.h.
18866 (schedule_ebbs): Do not use dump argument.
18867 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
18868 * loop.c (loop_dump_stream): Removed.
18869 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
18871 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
18872 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
18873 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
18874 loop_iterations, strength_reduce, record_biv, record_giv,
18875 final_giv_value, check_final_value, check_ext_dependent_givs,
18876 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
18877 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
18878 dump_file instead of loop_dump_stream.
18879 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
18880 argument dump_file.
18881 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
18883 * flow.c (life_analysis, rest_of_handle_life): Ditto.
18884 * haifa-sched.c: Include output.h
18885 (schedule_insns, sched_init): Do not use dump argument.
18886 * mode-switching.c (optimize_mode_switching): Ditto.
18887 * modulo-sched.c (stats_file): Removed.
18888 (print_node_sched_params): Do not call argument dump_file.
18889 (sms_schedule_by_order, loop_canon_p, sms_schedule,
18890 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
18892 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
18894 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
18895 rtl_loop_init, rtl_loop_done): Ditto.
18896 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
18897 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
18899 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
18900 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
18901 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
18902 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
18903 * emit-rtl.c (renumber_insns): Ditto.
18904 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
18905 expand_gimple_basic_block, tree_expand_cfg): Ditto.
18906 * regclass.c (regclass): Ditto.
18907 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
18908 remove_ssa_form, rewrite_out_of_ssa): Ditto.
18909 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
18910 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
18912 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
18913 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
18915 * gcse.c (gcse_file, debug_stderr): Removed.
18916 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
18917 rest_of_handle_gcse): Do not use dump argument.
18918 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
18919 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
18920 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
18921 compute_code_hoist_vbeinout, compute_code_hoist_data,
18922 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
18923 compute_store_table, build_store_vectors, insert_insn_start_bb,
18924 insert_store, remove_reachable_equiv_notes, replace_store_insn,
18925 store_motion): Use dump_file instead of gcse_file.
18926 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
18927 * profile.c (profile_dump_file): Removed.
18928 (branch_prob): Use dump_file instead of profile_dump_file.
18929 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
18931 * tree-ssa-copy.c (dump_copy_of): Ditto.
18932 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
18933 dump file to life_analysis.
18934 * bt-load.c (branch_target_load_optimize): Ditto.
18935 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
18937 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
18938 regclass, dbr_schedule): Declaration changed.
18939 * sched-int.h (sched_init): Declaration changed.
18940 * tree-profile.c (tree_profile_dump_file): Removed.
18941 (tree_profile_hooks): Removed profile_dump_file hook.
18942 * rtl-profile (rtl_profile_dump_file): Removed.
18943 (rtl_profile_hooks): emoved profile_dump_file hook.
18944 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
18946 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
18947 * tree-cfg.c (build_tree_cfg): Ditto.
18948 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
18949 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
18950 Declaration changed.
18951 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
18952 life_analysis and schedule_insns.
18953 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
18955 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
18957 * config/mips/mips.c (mips_reorg): Ditto.
18958 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
18961 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
18963 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18964 (s390_mangle_fundamental_type): New.
18965 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18968 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18969 (alpha_mangle_fundamental_type): New.
18970 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18973 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18975 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18977 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18978 (sparc_mangle_fundamental_type): New.
18980 2006-02-06 Jakub Jelinek <jakub@redhat.com>
18982 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
18983 (s390x-*-linux*): Likewise.
18984 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
18985 * config/s390/t-linux: New file.
18987 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18989 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
18990 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
18992 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
18994 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
18995 (ANTIC_SAFE_LOADS): New macro.
18996 (find_or_generate_expression): Add prototype.
18997 (set_contains_value): Allow null set for sake of not always having
18998 to allocate ANTIC_SAFE_LOADS.
18999 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
19000 Allow COMPONENT_REF too.
19001 (valid_in_set): Allow COMPONENT_REF.
19002 Check ANTIC_SAFE_LOADS too.
19003 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
19004 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
19006 (can_PRE_operation): Add COMPONENT_REF.
19007 (create_component_ref_by_pieces): New function.
19008 (create_expression_by_pieces): Use create_component_ref_by_pieces.
19009 (insert_aux): Move AGGREGATE_TYPE_P check here.
19010 (compute_avail): Set bb local stmt uids.
19011 (pass_pre): Use TODO_update_ssa_only_virtuals.
19013 2006-02-06 Ben Elliston <bje@au.ibm.com>
19015 * configure.ac: Unconditionally disable decimal float by default.
19016 * configure: Regenerate.
19018 2006-02-06 Ben Elliston <bje@au.ibm.com>
19020 * read-rtl.c (read_name): Terminate reading on EOF.
19022 2006-02-06 Ben Elliston <bje@au.ibm.com>
19024 * dfp.c (decimal_real_arithmetic): Change second argument type
19025 from int to enum tree_code. Do not always return true, but now
19026 return result of any call to decimal_do helper functions.
19027 * dfp.h (decimal_real_arithmetic): Update prototype.
19029 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
19031 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19033 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
19036 * tree-cfg.c (cleanup_dead_labels): Also don't remove
19039 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19041 * tree-vrp.c (cfg_loops): Removed.
19042 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19043 Use current_loops instead of cfg_loops. Pass flags to
19044 loop_optimizer_init.
19045 * cfgloopmanip.c (fix_loop_structure): Update only available
19047 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19048 loop_optimizer_init.
19049 * modulo-sched.c (build_loops_structure): Removed.
19050 (sms_schedule): Use loop_optimizer_init.
19051 * loop-init.c (loop_optimizer_init): Use flags to determine
19052 which properties of loops to prepare.
19053 (rtl_loop_init): Pass flags to loop_optimizer_init.
19054 * tree-ssa-sink.c (execute_sink_code): Ditto.
19055 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19056 * tree-ssa-pre.c (init_pre): Ditto.
19057 * cfgloop.h (LOOPS_NORMAL): New.
19058 (loop_optimizer_init): Declaration changed.
19060 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19062 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19063 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19065 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19067 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19069 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19070 * pa/t-pa64: Delete quadlib.c rule.
19071 * pa/x-ada: Revert last change.
19072 * pa/t-pa: Revert last change. Delete quadlib.c rule.
19074 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19076 PR rtl-optimization/26087
19077 * rtlanal.c (canonicalize_condition): Do not cross basic block
19080 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
19083 * config/ia64/ia64.c: Include debug.h.
19084 (MAX_ARTIFICIAL_LABEL_BYTES): New.
19085 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19086 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19087 (process_epilogue, process_set, process_for_unwind_directive):
19088 Output unwind info only if requested. Add CFA info if requested.
19089 Add new arguments as needed. Adjust callers.
19090 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19092 (DWARF2_FRAME_INFO): Define to zero.
19093 * config/ia64/unwind-ia64.c: Remove code that compensated for
19094 the CFA offset error fixed above.
19095 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19096 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19097 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19098 -funwind-tables and -fexceptions to enable frame info.
19099 (dwarf2out_frame_init): Define initial CFA even if
19100 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
19101 DWARF2_UNWIND_INFO is nonzero, not just defined.
19102 (dwarf2out_frame_finish): Output non-EH call frame info only
19103 if DWARF2_FRAME_INFO is nonzero.
19104 (convert_cfa_to_loc_list,
19105 compute_frame_pointer_to_cfa_displacement): Define even if
19106 unwind info is not supported.
19107 (gen_subprogram_die): Use the above unconditionally. Remove
19108 legacy alternate code.
19109 * toplev.c (compile_file): Compile in call to
19110 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19111 (lang_dependent_init): Ditto for dwarf2out_frame_init.
19113 2006-02-04 David Edelsohn <edelsohn@gnu.org>
19114 Jakub Jelinek <jakub@redhat.com>
19116 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19117 IBM extended float format long double as "g" on powerpc*-linux.
19119 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19122 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19123 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19125 2006-02-03 Jason Merrill <jason@redhat.com>
19128 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19130 PR middle-end/25977
19131 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19132 on the return slot if it's an NRV.
19134 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
19136 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19137 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19138 rewrite_use): Do not handle USE_OUTER.
19139 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19140 add_iv_outer_candidates, may_replace_final_value,
19141 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19142 (find_interesting_uses_op): Functionality of
19143 find_interesting_uses_outer_or_nonlin moved here.
19144 (find_interesting_uses_outside): Use find_interesting_uses_op.
19146 2006-02-03 Alan Modra <amodra@bigpond.net.au>
19149 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
19151 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
19152 Ulrich Weigand <uweigand@de.ibm.com>
19155 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
19156 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
19157 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
19158 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
19160 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
19161 (s390_rtx_costs): Use the new fields to calculate rtx costs.
19162 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
19163 Define secondary reloads for TFmode moves.
19164 (constant_modes): Add TFmode.
19165 (NR_C_MODES): Set to 8.
19166 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
19168 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
19169 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
19170 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
19171 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
19172 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
19173 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
19174 (FPR mode macro): Add TFmode.
19175 (DSF mode macro): New.
19176 (<de>, <dee> mode attributes): Removed.
19177 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
19178 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
19179 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
19180 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
19181 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
19182 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
19183 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
19184 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
19185 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
19186 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
19187 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
19188 "*negabs<mode>2", "sqrt<mode>2"):
19189 Changed <de> to <xde>. R constraint replaced by <Rf>.
19190 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
19192 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
19193 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
19194 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
19196 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
19197 "extenddftf2", "extendsftf2"): New expanders.
19198 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
19199 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
19200 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
19201 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
19203 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
19204 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
19205 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
19206 __floatditf): Add a GCC_4.1.0 symbol version tag.
19207 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
19210 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
19213 * config/i386/i386.c (ix86_function_ok_for_sibcall):
19214 Use targetm.binds_local_p instead of TREE_PUBLIC.
19216 2006-02-02 Roger Sayle <roger@eyesopen.com>
19218 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
19219 on INTEGER_TYPEs to indicate that it denotes a character type.
19220 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
19221 signed_char_type_node, unsigned_char_type_node and char_type_node.
19222 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
19223 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
19224 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
19226 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
19227 Daniel Berlin <dberlin@dberlin.org>
19229 * tree-tailcall.c (arg_needs_copy_p): New function.
19230 (eliminate_tail_call): Use arg_needs_copy_p.
19231 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
19232 (add_virtual_phis): New function.
19234 2006-02-02 Jakub Jelinek <jakub@redhat.com>
19236 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
19237 #ignore instead of #scratch for %g7 .register directive.
19239 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
19241 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
19244 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19246 * flow.c (calculate_global_regs_live): Assert that there aren't any
19249 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
19251 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
19252 what its name says.
19253 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
19254 bsi_after_labels iterator.
19255 * tree-if-conv.c (find_phi_replacement_condition,
19256 replace_phi_with_cond_modify_expr): Likewise.
19257 * tree-scalar-evolution.c (scev_const_prop): Likewise.
19258 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
19260 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19262 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
19264 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19267 * tree-cfg.c (move_block_to_fn): Clear out the basic block
19268 array after growing it.
19270 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19272 PR middle-end/24901
19273 * fold-const.c (fold_checksum_tree): Change type of buf.
19275 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
19277 * reload.c (push_secondary_reload): Initialize t_icode.
19279 2006-02-01 Jakub Jelinek <jakub@redhat.com>
19281 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
19282 -msoft-float -mlong-double-128 only issue a warning, but don't
19283 swich to DFmode long double.
19285 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
19287 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
19288 has a constant equivalent, iterate over equivalents for arg0,
19289 calling simplify_relational_operation and if there's a result
19290 cheaper than X, apply fold_rtx and return the result.
19292 2006-02-01 Jan Hubicka <jh@suse.cz>
19294 * opts.c (no_unit_at_a_time_default): New global variable.
19295 (decode_options): Use it.
19296 * opts.h (no_unit_at_a_time_default): Declare.
19298 2006-02-01 Paul Brook <paul@codesourcery.com>
19300 * function.c (assign_parm_setup_reg): Use function argument promotion
19302 * expr.c (expand_expr_real_1): Use function argument promotion rules
19305 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19307 * gcc.c (process_command): Change j to 'unsigned int'.
19309 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19311 PR middle-end/26001
19312 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19313 Use the corrected index for the character
19314 out of the string constant.
19316 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19318 * mode-switching.c (optimize_mode_switching): Fix size
19319 allocated for bb_info[n_entities].
19321 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19323 * gcc.c (main): Correct type that is allocated for
19324 explicit_link_files.
19326 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19328 * config/s390/s390.c (init_alignment_context): Set
19329 ALIAS_SET_MEMORY_BARRIER on the MEM.
19330 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19332 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19334 PR middle-end/25933
19335 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19337 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19340 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19342 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19343 * regrename.c: Ditto.
19344 * tree-ssa-loop-im.c: Ditto.
19345 * tree-dump.c: Ditto.
19346 * tree-complex.c: Ditto.
19347 * genrecog.c: Ditto.
19348 * tree-ssa-threadupdate.c: Ditto.
19350 * java/class.c: Ditto.
19351 * java/jcf-parse.c: Ditto.
19352 * java/resource.c: Ditto.
19353 * java/except.c: Ditto.
19354 * java/jvspec.c: Ditto.
19355 * java/jcf-write.c: Ditto.
19356 * java/jcf-path.c: Ditto.
19357 * java/gjavah.c: Ditto.
19358 * java/zextract.c: Ditto.
19359 * java/jcf-io.c: Ditto.
19360 * java/jcf.h: Ditto.
19361 * java/buffer.c: Ditto.
19362 * java/lang.c: Ditto.
19363 * java/parse-scan.y: Ditto.
19364 * java/lex.c: Ditto.
19365 * java/lex.h: Ditto.
19366 * cfgloopmanip.c: Ditto.
19367 * postreload-gcse.c: Ditto.
19368 * tree-ssa-loop-manip.c: Ditto.
19369 * postreload.c: Ditto.
19370 * tree-ssa-loop-ch.c: Ditto.
19373 * cppspec.c: Ditto.
19374 * diagnostic.c: Ditto.
19376 * genoutput.c: Ditto.
19378 * cfghooks.c: Ditto.
19379 * cfgloopanal.c: Ditto.
19380 * objc/objc-act.c: Ditto.
19382 * genextract.c: Ditto.
19383 * genautomata.c: Ditto.
19384 * pretty-print.c: Ditto.
19385 * genemit.c: Ditto.
19386 * cgraphunit.c: Ditto.
19388 * df-scan.c: Ditto.
19389 * haifa-sched.c: Ditto.
19390 * dominance.c: Ditto.
19392 * tree-ssa-loop-ivopts.c: Ditto.
19393 * df-core.c: Ditto.
19394 * mode-switching.c: Ditto.
19395 * modulo-sched.c: Ditto.
19397 * ipa-pure-const.c: Ditto.
19399 * fix-header.c: Ditto.
19401 * tree-stdarg.c: Ditto.
19402 * ipa-utils.c: Ditto.
19403 * loop-init.c: Ditto.
19404 * ipa-inline.c: Ditto.
19405 * cfganal.c: Ditto.
19407 * alloc-pool.c: Ditto.
19408 * dwarf2out.c: Ditto.
19410 * genattrtab.c: Ditto.
19411 * tree-ssa-loop-ivcanon.c: Ditto.
19412 * predict.c: Ditto.
19413 * timevar.c: Ditto.
19415 * fortran/gfortranspec.c: Ditto.
19416 * regmove.c: Ditto.
19417 * local-alloc.c: Ditto.
19418 * langhooks.c: Ditto.
19419 * function.c: Ditto.
19420 * tree-vectorizer.c: Ditto.
19422 * ipa-type-escape.c: Ditto.
19424 * tree-if-conv.c: Ditto.
19425 * profile.c: Ditto.
19427 * tree-data-ref.c: Ditto.
19428 * loop-unroll.c: Ditto.
19429 * treelang/treetree.c: Ditto.
19431 * bt-load.c: Ditto.
19432 * ggc-common.c: Ditto.
19434 * coverage.c: Ditto.
19436 * tree-cfgcleanup.c: Ditto.
19437 * tree-ssa-pre.c: Ditto.
19438 * cfgcleanup.c: Ditto.
19439 * loop-invariant.c: Ditto.
19440 * loop-iv.c: Ditto.
19441 * ipa-prop.c: Ditto.
19442 * print-tree.c: Ditto.
19443 * conflict.c: Ditto.
19444 * ggc-page.c: Ditto.
19445 * sched-deps.c: Ditto.
19446 * regclass.c: Ditto.
19447 * tree-object-size.c: Ditto.
19448 * combine.c: Ditto.
19449 * bb-reorder.c: Ditto.
19450 * resource.c: Ditto.
19451 * var-tracking.c: Ditto.
19452 * cfgloop.c: Ditto.
19453 * df-problems.c: Ditto.
19454 * reg-stack.c: Ditto.
19456 * gccspec.c: Ditto.
19457 * sched-rgn.c: Ditto.
19458 * tree-ssa-structalias.c: Ditto.
19459 * tree-ssa-reassoc.c: Ditto.
19460 * config/darwin-c.c: Ditto.
19461 * config/darwin.c: Ditto.
19462 * config/arm/arm.c: Ditto.
19464 * collect2.c: Ditto.
19465 * reload1.c: Ditto.
19467 2006-01-31 Nicolas Pitre <nico@cam.org>
19469 * arm.md (smaxsi3): Make aware of smax_m1.
19472 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19474 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19476 2006-01-31 Richard Guenther <rguenther@suse.de>
19478 * doc/invoke.texi (-msselibm): Document.
19479 * target.h (expand_library_builtin): New target hook.
19480 * builtins.c (expand_builtin): Use expand_library_builtin.
19481 (default_expand_library_builtin): New function.
19482 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19483 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19484 (link_gcc_math_spec): Declare.
19485 (static_specs): Add link_gcc_math_spec.
19486 * expr.h (default_expand_library_builtin): Declare.
19487 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19488 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19489 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19490 * config/i386/i386.opt (msselibm): New target option.
19491 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19492 (ix86_init_sse_abi_builtins): New function.
19493 (ix86_expand_library_builtin): Likewise.
19494 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19495 (override_options): Handle error conditions wrt -msselibm.
19496 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19497 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19498 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19501 2006-01-31 Richard Guenther <rguenther@suse.de>
19502 Paolo Bonzini <bonzini@gnu.org>
19504 * doc/install.texi (--disable-libgcc-math): Document.
19506 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19508 * expr.h (expand_normal): new inline function.
19509 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19510 * dojump.c: use it.
19511 * dwarf2out.c: use it.
19514 * expmed.c: use it.
19515 * except.c: use it.
19516 * config/sparc/sparc.c: use it.
19517 * config/i386/i386.c: use it.
19518 * config/rs6000/rs6000.c: use it.
19519 * config/arm/arm.c: use it.
19520 * config/mips/mips.c: use it.
19521 * stmt.c: use it, use EXPAND_NORMAL explicitely.
19523 2006-01-30 Roger Sayle <roger@eyesopen.com>
19525 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
19526 argv to the appropriate type.
19528 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
19530 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
19533 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
19536 * config/s390/s390.c (struct machine_function): New flag
19537 decomposed_literal_pool_addresses_ok_p.
19538 (s390_reorg): Set it before final stage of literal pool transforms.
19539 (s390_decompose_address): Only accept displacements of the form
19540 (minus (label_ref ...) (label_ref ...)) if that flag is set.
19542 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
19544 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
19545 the comparison routine return.
19547 2006-01-30 Michael Matz <matz@suse.de>
19549 * global.c (find_reg): Only evict for global regs.
19550 Take n_refs into account and dump more info.
19552 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
19555 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
19556 (pragma_trap, pragma_nosave_low_regs): Likewise.
19557 (current_function_anonymous_args): Likewise.
19558 (sh_deferred_function_attributes): New variable.
19559 (sh_deferred_function_attributes_tail): Likewise.
19560 (print_operand): For '@', look up trap_exit attribute.
19561 (calc_live_regs): Look up trapa_handler attribute. For trapa
19562 handlers, save/restore fpscr, but don't do any other
19563 interrupt-specific saves.
19564 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
19565 Fix check for partially saved registers to check for SHmedia.
19566 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
19567 (sh_output_function_epilogue): Don't clear any of the removed
19569 (sh_insert_attributes): Don't check pragma_interrupt.
19570 Insert deferred attributes. Check that interrupt attribute is
19571 present for other attributes that require its presence.
19572 (sh_attribute_table): Add new attributes trapa_handler and
19574 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
19575 Don't check for pragma_interrupt. Don't store argument.
19576 * sh.h (pragma_interrupt, sp_switch): Don't declare.
19577 (sh_deferred_function_attributes): Declare.
19578 (sh_deferred_function_attributes_tail): Likewise.
19579 * sh.md (sp_switch_1): Add operand. Change generator caller.
19580 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
19581 (*return_i): Don't use when trap_exit attribute is in effect.
19582 (*return_trapa): New insn pattern.
19583 * sh-c.c: New file.
19584 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
19585 setting c_target_objs and cxx_target_objs.
19586 * t-sh: Add rule for sh-c.o.
19588 2006-01-30 Richard Guenther <rguenther@suse.de>
19591 * gimplify.c (gimplify_target_expr): Handle easy cases
19592 without creating a temporary.
19594 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
19596 * vec.h (safe_grow): Remove duplicated line.
19598 2006-01-29 Diego Novillo <dnovillo@redhat.com>
19601 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
19602 (expand_omp): ... here.
19603 (expand_omp_parallel): Only remove barriers for combined
19604 parallel+workshare constructs.
19606 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
19610 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
19611 * tree.c (build_qualified_type): Chain the new type to the original
19612 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
19613 a POINTER_TYPE or a REFERENCE_TYPE respectively.
19614 (build_pointer_type_for_mode): Only return unqualified types.
19615 (build_reference_type_for_mode): Likewise.
19617 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
19619 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
19620 * Makefile.in (CXX_COMPAT_WARN): Define.
19621 * configure: Regenerate.
19623 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
19626 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
19629 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19631 * toplev.c: Fix thinko.
19633 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19634 Marcin Dalecki <martin@dalecki.de>
19636 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
19637 (push_srcloc): Use XNEW.
19638 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
19640 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
19642 * df-core.c (df_set_blocks): Deleted all variable.
19644 2006-01-28 Ian Lance Taylor <ian@airs.com>
19646 * cgraphunit.c (cgraph_assemble_pending_functions): Call
19647 cgraph_output_pending_asms.
19649 2006-01-28 Zack Weinberg <zackw@panix.com>
19651 * c.opt: Add -W(no-)overlength-strings.
19652 * doc/invoke.texi: Document it.
19653 * c-opts.c (c_common_handle_option): -pedantic implies
19654 -Woverlength-strings, if not explicitly disabled already.
19655 (c_common_post_options): -Woverlength-strings defaults to off, and
19656 is always off for C++.
19657 * c-common.c (fix_string_type): Issue warning about strings longer
19658 than is portable only if warn_overlength_strings. Rearrange code
19659 a little for clarity.
19660 * configure.in: Check for -Wno-overlength-strings as well before
19661 enabling -pedantic in stage 1.
19662 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
19663 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
19665 * genconditions.c (write_header, write_one_condition)
19666 (write_conditions, write_writer): Consolidate very long strings
19667 that were broken up to fit in C89 portable limit. Don't use
19668 printf when fputs will do.
19670 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
19672 * combine.c (simplify_comparison <AND>): Check
19673 TRULY_NOOP_TRUNCATION before start using a subreg.
19675 * config/mips/mips.md (*branch_zero<mode>,
19676 *branch_zero<mode>_inverted, *branch_equality<mode>,
19677 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
19678 Remove mode check from comparisons.
19680 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
19682 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
19684 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19686 * expmed.c (const_mult_add_overflow_p): Remove.
19687 * expr.h: Remove the prototype for const_mult_add_overflow_p.
19689 * recog.c (validate_replace_rtx_subexp): Remove.
19690 * recog.h: Remove the prototype for
19691 validate_replace_rtx_subexp.
19693 * integrate.h: Remove the prototype for
19694 copy_decl_for_inlining.
19695 * rtl.h: Remove the prototype for mark_constant_function.
19696 * tree-vectorizer.h: Remove the prototype for
19697 vect_strip_conversion.
19699 * modulo-sched.c (create_partial_schedule,
19700 free_partial_schedule, reset_partial_schedule): Make them
19703 * hooks.c (hook_bool_rtx_int_false): Remove.
19704 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
19706 2006-01-28 David Edelsohn <edelsohn@gnu.org>
19708 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19709 and -mlong-double-128 are incompatible.
19710 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
19711 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
19712 (TARGET_LIBGCC2_CFLAGS): Define.
19713 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
19714 (TARGET_LIBGCC2_CFLAGS): Same.
19715 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
19717 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19720 * c-typeck.c (build_binary_op): Perform implicit casts of
19721 operands before shortening them.
19723 * cfgloopmanip.c (split_loop_bb): Remove.
19724 * cfgloop.h: Remove the prototype for split_loop_bb.
19726 * cfgloop.c (flow_loop_outside_edge_p): Remove.
19727 * cfgloop.h: Remove the prototype for
19728 flow_loop_outside_edge_p.
19730 * emit-rtl.c (init_virtual_regs): Make it static.
19731 * function.h: Remove the prototype for init_virtual_regs.
19733 * recog.c (peephole2_optimize): Make it static.
19734 * recog.h: Remove the prototype for peephole2_optimize.
19736 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19738 * df-scan.c (df_record_entry_block_defs): Check if
19739 INCOMING_RETURN_ADDR_RTX is defined.
19741 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
19742 Kenneth Zadeck <zadeck@naturalbridge.com>
19744 PR rtl-optimization/24762
19745 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19746 * targhooks.c (hook_void_bitmap): New hook prototype.
19747 * targhoohs.h (hook_void_bitmap): Ditto.
19748 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
19749 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
19750 * target.h (live_on_entry): New function pointer.
19751 * df-scan.c (df_all_hard_regs): Removed.
19752 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
19753 (df_scan_free_internal): Added df->entry_block_defs.
19754 (df_scan_alloc): Ditto.
19755 (df_scan_dump): Ditto.
19756 (df_uses_record): Plumbed flag field properly thru calls.
19757 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
19758 This part fixes PR24762.
19759 (df_bb_refs_record): Added code to make the frame and arg
19760 pointers live in EH blocks.
19761 (df_refs_record): Added call to df_record_entry_block_defs.
19762 (df_record_entry_block_defs): New function.
19763 * df-core.c: Added comments to describe new artifical defs.
19764 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
19765 (entry_block_defs): New field in struct df.
19766 (df_all_hard_regs): Deleted.
19767 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19768 * df-problems.c (df_ru_bb_local_compute_process_def):
19769 Added code to handle artifical defs in the entry to a function.
19770 (df_ru_bb_local_compute): Ditto.
19771 (df_rd_bb_local_compute_process_def): Ditto.
19772 (df_rd_bb_local_compute): Ditto.
19773 (df_lr_bb_local_compute): Ditto.
19774 (df_ur_bb_local_compute): Ditto.
19775 (df_urec_bb_local_compute): Ditto.
19776 (df_chain_create_bb): Ditto.
19777 (df_ur_local_finalize): Removed entry.
19778 (df_urec_init): Ditto.
19779 (df_urec_local_finalize): Ditto.
19780 (df_ri_bb_compute): Added detection of last use of pseudos.
19781 * Makefile.in (df-scan.o): Updated dependencies.
19782 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
19783 * config/mips/mips.c (mips_set_live_on_entry): Added.
19784 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
19786 * dce.c (marked_insn_p): Added code to handle artifical defs.
19788 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19790 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
19792 (_mm_cvtsi128_si64): Likewise.
19793 (_mm_cvtsd_si64): Likewise.
19794 (_mm_cvttsd_si64): Likewise.
19795 (_mm_cvtsi64_sd): Likewise.
19796 (_mm_cvtsi64_si128): Likewise.
19797 * config/i386/mmintrin.h (_m_from_int64): Likewise.
19798 (_mm_cvtsi64_m64): Likewise.
19799 (_m_to_int64): Likewise.
19800 (_mm_cvtm64_si64): Likewise.
19801 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
19802 (_mm_cvttss_si64): Likewise.
19803 (_mm_cvtsi64_ss): Likewise.
19804 (_mm_cvtss_f32): Likewise.
19806 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
19808 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
19809 for pragma redefine_extname.
19811 2006-01-27 Jakub Jelinek <jakub@redhat.com>
19814 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
19815 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
19816 -mno-minimal-toc to previous content.
19817 (bispecs): Remove goal.
19818 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
19819 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
19820 compatibility aliases on powerpc-*-*gnu*.
19821 * config/rs6000/libgcc-ppc-glibc.ver: New file.
19822 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
19823 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
19824 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
19825 (ldblspecs): New goal.
19826 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
19827 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
19829 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
19830 L_sf_to_tf or L_df_to_tf is defined.
19832 2006-01-27 David Edelsohn <edelsohn@gnu.org>
19833 Alan Modra <amodra@bigpond.net.au>
19836 * config/rs6000/linux.h (POWERPC_LINUX): Define.
19837 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
19838 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
19839 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
19840 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
19841 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
19842 (rs6000_override_options): Initialize rs6000_ieeequad.
19843 Initialize TFmode format to ibm_extended_format if not
19845 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
19847 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
19848 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
19849 (function_arg_advance): IBM long double passed in two FPRs, not
19851 (function_arg): IBM long double passed in FPRs.
19852 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
19853 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
19854 Only multireg GPR aligned.
19855 (rs6000_init_libfuncs): Enable IBM long double functions if not
19857 (rs6000_generate_compare): Use IBM long double compare if not
19859 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
19860 (TARGET_IEEEQUAD): Define.
19861 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
19862 not TARGET_IEEEQUAD.
19863 * config/rs6000/rs6000.md: Enable TFmode patterns if
19865 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
19866 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19867 and -mlong-double-128 are incompatible.
19868 * doc/invoke.texi (-mabi): Collect options together. Add
19869 ibmlongdouble and ieeelongdouble.
19871 2006-01-27 Richard Sandiford <richard@codesourcery.com>
19873 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
19875 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
19876 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
19877 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
19878 * rtl.h (rtunion_def): Remove rt_ptr.
19880 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
19881 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
19882 * config/i386/winnt.c (i386_pe_mark_dllexport)
19883 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
19885 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
19887 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
19889 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19893 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
19894 pthread_key_delete. From John David Anglin. gthrw-ify
19895 pthread_getunique_np only if it it's not a macro. Delete
19897 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
19898 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
19899 __gthread_objc_condition_signal, __gthread_key_delete): Add
19900 "__attribute__ ((__unused__))" to unused arguments.
19901 (__gthread_recursive_mutex_init_function): Add missing return.
19902 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
19903 gthr-posix95.h: Use macro-based approach for name redirection
19904 on targets missing weakref.
19906 2006-01-26 Zack Weinberg <zackw@panix.com>
19908 * genconditions.c (write_header): In generated code, #ifdef out
19909 all includes and fake declarations, except includes of bconfig.h
19910 and system.h, unless GCC_VERSION >= 3001. Do not include
19911 gensupport.h in any case.
19912 (write_conditions): Generate a definition of struct c_test. Add
19913 a comment to the generated #endif.
19914 (write_one_condition): Escape backslashes in string too.
19915 (write_writer): Generated code must escape backslashes and quote
19916 marks (but not newlines) in the strings it writes.
19917 * Makefile.in (build/gencondmd.o): Update dependencies.
19919 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19922 * Makefile.in (insn-automata.o): Add header file dependencies.
19923 * genautomata.c: Add includes.
19925 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19928 * Makefile.in (insn-automata.o): Add -Wno-error flag.
19930 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19932 * configure.ac: Expect target tools paths to be passed from the toplevel
19933 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
19935 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
19937 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19940 * c.opt (Wpointer-sign): Init to -1.
19941 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
19942 OPT_pedantic, to 0 otherwise.
19943 * doc/invoke.texi: Update.
19945 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19947 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
19948 constants provided by 80387 instructions in the destination mode.
19950 2006-01-26 Richard Guenther <rguenther@suse.de>
19951 Andrew Pinski <pinskia@physics.uc.edu>
19954 partial PR tree-opt/17064
19955 * tree-ssa-structalias.c (intra_create_variable_infos):
19956 Create heap variables for incoming parameters if
19957 flag_argument_noalias > 1.
19958 (find_what_p_points_to): Look through default defs of
19961 2006-01-26 Jeff Law <law@redhat.com>
19964 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
19965 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
19966 within the VR_RANGE, use the VR_RANGE as the result, not the
19968 (adjust_range_with_scev): Reject ranges from SCEV which are out of
19969 bounds for the type.
19971 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
19973 * tree-ssa-alias.c (maybe_create_global_var): Change
19974 subvar walking to an assertion that we don't have subvar'd variables.
19976 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
19979 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
19980 Use a new variable, inner. PARM_DECLs are always non-weak.
19982 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
19984 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
19985 --disable-checking.
19987 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
19989 * config/mips/mips.md (*clear_upper32): New combiner pattern.
19991 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
19993 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
19994 (smax_insn, smin_insn, smax_0, smin_0): New.
19996 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
19999 * config/cris/cris.c (cris_order_for_addsi3): New function.
20000 * config/cris/cris-protos.h: Prototype it.
20001 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
20002 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
20003 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
20004 (split for "op.S1 [rx=rx+i],ry (swapped)")
20005 (split for "op(s|u).S1 [rx=rx+i],ry")
20006 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
20007 Apply cris_order_for_addsi3 when generating addsi3 insns.
20009 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20011 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
20012 (TREE_BLOCK): Add call to EXPR_CHECK.
20014 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20017 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
20018 * tree-pretty-print.c (dump_omp_clause): Extract from ...
20019 (dump_omp_clauses): ... here.
20020 (dump_generic_node): Handle OMP_CLAUSE.
20021 * tree.c (omp_clause_num_ops): New.
20022 (omp_clause_code_name): New.
20023 (tree_code_size): Handle OMP_CLAUSE.
20024 (tree_size): Likewise.
20025 (make_node): Document handling of OMP_CLAUSE.
20026 (tree_node_structure): Handle OMP_CLAUSE.
20027 (omp_clause_check_failed): New.
20028 (omp_clause_range_check_failed): New.
20029 (omp_clause_operand_check_failed): New.
20030 (build_omp_clause): New.
20031 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20032 * tree.h (enum omp_clause_code): Declare.
20033 (OMP_CLAUSE_SUBCODE_CHECK): Define.
20034 (OMP_CLAUSE_RANGE_CHECK): Define.
20035 (OMP_CLAUSE_ELT_CHECK): Define.
20036 (omp_clause_check_failed): Declare.
20037 (omp_clause_operand_check_failed): Declare.
20038 (omp_clause_range_check_failed): Declare.
20039 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20040 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20041 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20042 (OMP_CLAUSE_LASTPRIVATE): Likewise.
20043 (OMP_CLAUSE_IF_EXPR): Likewise.
20044 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20045 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20046 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
20047 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
20048 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20049 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20050 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20051 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20052 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
20053 (OMP_CLAUSE_CODE): Define.
20054 (OMP_CLAUSE_SET_CODE): Define.
20055 (OMP_CLAUSE_CODE): Define.
20056 (OMP_CLAUSE_OPERAND): Define.
20057 (struct tree_omp_clause): Declare.
20058 (union tree_node): Add field 'omp_clause'.
20059 * treestruct.def (TS_OMP_CLAUSE): Define.
20060 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20061 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20062 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20063 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20064 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20065 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20066 (OMP_CLAUSE): Define.
20067 * print-tree.c (print_node): Handle OMP_CLAUSE.
20068 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20069 * c-typeck.c: Likewise.
20070 * gimplify.c: Likewise.
20071 * c-omp.c: Likewise.
20072 * tree-nested.c: Likewise.
20073 * tree-inline.c: Likewise.
20074 * c-parser.c: Likewise.
20075 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20078 2006-01-25 Roger Sayle <roger@eyesopen.com>
20080 PR rtl-optimization/25703
20081 * combine.c (try_combine): Handle zero_extract and strict_low_part
20082 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20084 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
20086 * global.c: Fix comment typos.
20088 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
20091 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20092 Use output_addr_const instead of assemble_name.
20094 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
20096 * Makefile.in (sched-vis.o): Update dependencies.
20097 * haifa-sched.c (sched_finish): Clear current_sched_info.
20098 * cfg.c (dump_bb_info): New, split from dump_flow_info.
20099 (dump_flow_info): Call it.
20100 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20102 * basic-block.h (dump_bb_info): Declare.
20103 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20104 option, and apply options only for dump files whose TDF_RTL,
20105 TDF_TREE, or TDF_IPA bits match.
20106 * rtl.h: Declare new functions exported from sched-vis.c.
20107 * sched-vis.c: Enable also if scheduling is not used.
20108 (print_value): Print the mode of registers if not inside scheduling.
20109 (print_insn): Make it work outside the scheduler. Beautify the output
20111 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20113 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20115 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20116 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20117 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20118 depending on the value of CONSTANT_POOL_ADDRESS_P.
20119 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20121 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20122 rather than SYMBOL_REF_DECL.
20123 (rtx_constant_pool): Remove const_rtx_sym_htab.
20124 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20125 (init_varasm_status): Don't initialize const_rtx_sym_htab.
20126 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20127 Remove handling of const_rtx_sym_htab.
20128 (find_pool_constant): Delete.
20129 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20130 rather than find_pool_constant.
20131 (get_pool_constant_for_function): Delete.
20132 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20133 find_pool_constant.
20134 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20135 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20136 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20137 (SYMBOL_REF_CONSTANT): New macro.
20138 (get_pool_constant_for_function): Delete.
20139 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20140 rather than SYMBOL_REF_DECL.
20141 (i386_pe_mark_dllimport): Likewise.
20142 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20143 rather than SYMBOL_REF_DECL.
20144 * config/darwin.c (machopic_indirect_data_reference): Likewise.
20145 (machopic_indirect_call_target): Likewise.
20147 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
20149 * flow.c (delete_noop_moves): Add missing EOL to dump message.
20151 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20153 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
20155 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
20157 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
20159 2006-01-24 David Daney <ddaney@avtrex.com>
20162 * configure.ac (enable_tls): New enable option.
20163 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
20164 * configure: Regenerate.
20165 * doc/install.texi (--enable-tls): Document new option.
20166 (--disable-tls): Ditto.
20168 2006-01-24 Richard Henderson <rth@redehat.com>
20170 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
20171 * alias.c (true_dependence): Respect it.
20172 (canon_true_dependence, write_dependence_p): Likewise.
20173 * builtins.c (get_builtin_sync_mem): Set it.
20175 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
20177 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
20180 2006-01-24 DJ Delorie <dj@redhat.com>
20182 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
20183 for storing constants in single-bit bitfields.
20185 2006-01-25 Ben Elliston <bje@au.ibm.com>
20187 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
20189 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
20192 * tree-ssa-pre.c (phi_translate): Return NULL
20193 for AGGREGATE_TYPE's.
20195 2006-01-24 Zack Weinberg <zackw@panix.com>
20197 * genautomata.c (process_state_for_insn_equiv_partition):
20198 Use xcalloc for insn_arcs_array.
20199 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
20200 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
20202 2006-01-24 Richard Henderson <rth@redhat.com>
20204 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
20205 update all callers.
20207 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
20209 PR rtl-optimization/25890
20210 PR rtl-optimization/25905
20211 * combine.c (expand_compound_operation, expand_field_assignment):
20212 Fail if the bitfield's final position is out of bounds.
20214 2006-01-24 Ian Lance Taylor <ian@airs.com>
20216 PR middle-end/25930
20217 * cgraphunit.c (cgraph_output_in_order): Don't clear
20218 cgraph_asm_nodes until after asm strings have been output.
20220 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
20222 * fix-header.c (read_scan_file): Add new parameter imultilib when
20223 calling register_include_chains.
20225 2006-01-23 Diego Novillo <dnovillo@redhat.com>
20227 * omp-low.c: Update documentation.
20229 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20230 Daniel Berlin <dberlin@dberlin.org>
20234 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
20235 return from the function.
20237 2006-01-22 Zack Weinberg <zackw@panix.com>
20239 * rtl.def (match_code): Add second argument.
20240 * genpreds.c (write_extract_subexp): New function.
20241 (write_match_code): Add path argument. Use write_extract_subexp.
20242 (write_predicate_expr): Pass path to write_match_code.
20243 (mark_mode_tests): MATCH_CODE applied to a subexpression does
20244 not perform a mode test.
20245 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
20246 a subexpression does not constrain the top-level code set.
20247 * read-rtl.c (read_rtx_variadic): New function.
20248 (read_rtx_1): Use it; allow AND and IOR to be variadic.
20249 * doc/md.texi: Document new notation.
20250 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
20251 (cmpsi_operand): ... here, using new notation.
20253 2006-01-22 Zack Weinberg <zackw@panix.com>
20255 * varray.c: Remove GENERATOR_FILE #ifdefs.
20257 2006-01-22 Zack Weinberg <zackw@panix.com>
20259 * genautomata.c (output_reserved_units_table): Emit nothing if
20260 description->query_units_num is zero. Remove extra blank line.
20261 (output_cpu_unit_reservation_p): Short circuit
20262 if description->query_units_num is zero.
20264 2006-01-22 Zack Weinberg <zackw@panix.com>
20266 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
20267 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
20268 nor any of the random handful of variables that used to be necessary
20269 when this program was linked with rtlanal.o. Prune set of forward
20270 function declarations.
20271 (struct attr_desc): Remove static_p field.
20272 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
20273 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
20274 (attr_string): Do not read the character one past the length of
20276 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
20277 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
20278 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
20279 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
20280 (make_automaton_attrs): New.
20281 (main): Do not call into genautomata. Call local gen_bypass
20282 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
20283 Remove special case for insn_alts.
20284 * genautomata.c: Include gensupport.h; not genattrtab.h nor
20285 varray.h (leftover from previous change). Prune set of forward
20286 function declarations. Remove state_alts fields from all
20287 structures. Remove state_alts_table from struct automaton.
20288 Make everything except main static. Do not maintain num_dfa_decls.
20289 Do not maintain state_alts fields of various structures.
20290 (process_decls): Don't validate condexp for dm_insn_reserv decls.
20291 (add_arc): Remove state_alts argument. All callers updated.
20292 (output_reserved_units_table): Emit #ifdef here...
20293 (output_tables): ...not here. Don't generate state_alts tables.
20294 (expand_automata): Don't generate attributes.
20295 (write_automata): Don't generate state_alts functions.
20296 (main): New function.
20297 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
20298 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
20299 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
20300 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20301 (BYPASS_P_FUNC_NAME, output_state_alts_table)
20302 (output_automata_list_state_alts_code, output_internal_state_alts_func)
20303 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20304 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20306 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20307 * genattrtab.h: Delete file.
20308 * Makefile.in (OBJS-common): Add insn-automata.o.
20309 (insn-automata.o): New rule.
20310 (simple_generated_c): Add insn-automata.c.
20311 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20312 (genprogmd): Add automata.
20313 (build/genattrtab): Needs no extra objects nor libraries.
20314 (build/genautomata): Needs build/vec.o and -lm.
20316 2006-01-22 Zack Weinberg <zackw@panix.com>
20318 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20319 (output_dfa_max_issue_rate, locked_states_num): Delete.
20320 (struct automaton): Add locked_states field.
20321 (output_dead_lock_vect): Save number of locked states in
20322 automaton->locked_states. If it is zero, don't print anything.
20323 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20324 (output_internal_dead_lock_func): Only test the dead_lock_vect
20325 for automata that have locked states.
20326 (output_statistics): Always print the number of locked states for
20327 each automaton. Calculate total number of locked states here.
20328 (write_automata): Don't call output_dfa_max_issue_rate.
20329 * genattrtab.c: Define length_unit_log as a const variable.
20330 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20331 max_insn_queue_index const.
20332 * final.c (length_unit_log): Declare const.
20333 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20335 2006-01-22 Zack Weinberg <zackw@panix.com>
20337 * genautomata.c: Include vec.h, not varray.h.
20338 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20339 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20340 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20341 VEC_* macros operating on appropriately typed vectors, or to
20342 malloced arrays when the size is known in advance. Const-ify
20343 many char* variables and function arguments. No functional changes.
20344 * Makefile.in (build/varray.o): Delete rule.
20345 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20346 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20348 2006-01-22 Zack Weinberg <zackw@panix.com>
20350 * gensupport.c: Define get_insn_name and record_insn_name here.
20351 (read_md_rtx): Call record_insn_name as appropriate.
20352 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20353 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20354 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20356 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20357 (BUILD_VARRAY): Delete.
20358 (genprognormal): Rename genprogmd. Fold in all programs from
20359 genprognoprint; also attrtab.
20360 (build/genattrtab): Just mention genautomata.o and varray.o.
20361 Reorganize a bit, add comments to make the categories clearer.
20363 2006-01-22 Zack Weinberg <zackw@panix.com>
20365 * genconditions.c (condition_table, add_condition): Delete.
20366 (write_conditions): Don't emit n_insn_conditions nor
20367 insn_elision_unavailable. Issue the gcc version #ifdef here,
20368 inside the table, with no #else clause ...
20369 (write_header): ...not here.
20370 (write_writer): New function.
20371 (main): Don't initialize condition_table. Use add_c_test.
20373 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20374 files on the command line.
20375 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20376 Return -1 if there is no entry in the table, don't abort.
20377 (add_c_test, traverse_c_tests): New functions.
20378 * gensupport.h (insn_elision_unavailable, insn_conditions)
20379 (n_insn_conditions): Delete declarations.
20380 (add_c_test, traverse_c_tests): Declare.
20381 * read-rtl.c: Include gensupport.h.
20382 (read_conditions): New function.
20383 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20384 (read_rtx_1): If we get EOF when we were looking for an initial
20385 open paren, return 0. Call read_conditions when appropriate.
20386 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20387 dummy-conditions.o. Eliminate references to insn-conditions.o,
20388 or change them to build/gencondmd.o, as appropriate. Remove
20389 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20390 from $(simple_generated_c). For all files remaining in those
20391 two lists, add insn-conditions.md to the generator command line.
20392 Give insn-constants.h/s-constants their own rules. Add rules
20393 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20394 (build/read-rtl.o): Depend on gensupport.h.
20395 (genprognormal): Include preds.
20396 (genprogearly): Rename genprognoprint; only difference is now that
20397 they don't link with $(BUILD_PRINT).
20398 * dummy-conditions.c: Delete.
20400 2006-01-22 Zack Weinberg <zackw@panix.com>
20402 * genextract.c: Don't include insn-config.h. Do include vec.h.
20403 Declare vectors of int, char, and locstr.
20404 (locstr): New typedef.
20405 (struct extraction): Make all array fields into bare pointers.
20406 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20407 (insn_code_number): Delete.
20408 (accum_extract): New struct.
20409 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20410 (gen_insn): Take insn_code_number as an argument. Use an
20411 accum_extract structure instead of loading data directly into
20412 a struct extraction, and having to know how big it might get.
20413 (walk_rtx): Operate entirely on an accum_extract structure.
20414 (print_path): Avoid unnecessary use of printf.
20415 (print_header): New function, split out of main. Distinguish
20416 more carefully between an unrecognizable insn and an insn that
20417 has the code number of a define_expand.
20418 (main): Pass insn_code_number to gen_insn. Call print_header
20419 only after parsing. Avoid unnecessary use of printf.
20420 * Makefile.in (build/vec.o): New rule.
20421 (build/genextract): Depend on build/vec.o.
20422 (build/genextract.o): Don't depend on insn-config.h.
20424 2006-01-22 Zack Weinberg <zackw@panix.com>
20426 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20427 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20428 practical. Eliminate per-generator-program link rules.
20430 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20432 PR middle-end/24437
20433 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20434 with a call expr to ...
20435 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20437 2006-01-23 Richard Guenther <rguenther@suse.de>
20439 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20440 before make_edge with conditional EDGE_TRUE_VALUE.
20442 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20443 Jan Hubicka <jh@suse.cz>
20444 Richard Guenther <rguenther@suse.de>
20446 PR rtl-optimization/25654
20447 * cfgexpand.c (aggregate_contains_union_type): New function.
20448 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20449 for structure variables that contain a union type.
20451 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20453 * gengtype.c (new_structure): Return the structure.
20454 (create_option): Add an extra "next" argument.
20455 (create_field): New function.
20456 (adjust_field_rtx_def): Use create_option and create_field.
20457 Remove a now-unnecessary call to find_structure.
20458 (adjust_field_tree_def): Likewise.
20459 (note_yacc_type): Remove an unnecessary call to find_structure.
20460 * gengtype.h (new_structure): Return the structure.
20461 (create_option): Add an extra argument.
20462 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20463 (option): Adjust calls to create_option.
20465 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20467 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20469 2006-01-22 Paul Brook <paul@codesourcery.com>
20470 Peter Barada <peter@the-baradas.com>
20472 * config/m68k/m68k.md: Add Coldfire FPU support.
20473 Define FP mode macro and associated attributes.
20474 Use it for float mode patterns.
20475 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20476 (LIBCALL_VALUE): Use m68k_libcall_value.
20477 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20478 (m68k_function_value): Ditto.
20479 (emit_move_sequence): Ditto.
20480 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20481 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20482 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20483 (MULTILIB_EXCEPTIONS): Ditto.
20484 * config/m68k/m68k.opt: Add mcfv4e.
20485 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20486 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20487 (m68k_output_function_prologue): Save ColdFire FPU registers.
20488 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20489 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20490 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20491 ColdFire FPU registers.
20492 (m68k_libcall_value, m68k_function_value): New functions.
20493 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20494 (LIBCALL_VALUE): Use m68k_libcall_value.
20495 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20496 (MASK_COLDFIRE): Add MASK_CFV4E.
20497 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20498 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20499 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20500 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20501 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20502 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20503 * doc/invoke.tex: Document -mcfv4e on m68k.
20505 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20507 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20510 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
20513 * c-opts.c (c_common_handle_option): Don't include
20514 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
20515 * doc/invoke.texi (C++ Dialect Options): Document that
20516 -Wnon-virtual-dtor is no longer included in -Wall.
20518 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
20520 * gcov.c (print_version), gcov-dump.c (print_version),
20521 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
20524 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
20526 * df-scan.c (problem_SCAN): Added NULL reset function.
20527 (df_scan_reset_blocks): Added code to call reset block function
20528 (df_bb_refs_delete) Fixed comment.
20529 (df_insn_refs_delete): Made tolerant of deleting non existent info
20530 for dataflow problems that need to be reset.
20531 * df-core.c (df_set_blocks): Ditto.
20532 * df.h (struct df_problem): Added reset_fun.
20533 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
20534 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
20535 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
20536 functions to clear out all references to def-use or use-def chains.
20538 2006-01-21 Ben Elliston <bje@au.ibm.com>
20540 * varasm.c (assemble_real): Initialise data array.
20542 2006-01-20 Paul Brook <paul@codesourcery.com>
20544 Merge from csl-arm-branch.
20545 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
20546 * config/arm/arm.md (movdi): Force operands[1] to a register
20547 if we have a non-register source.
20548 (*arm_movdi, *movdf_soft_insn): Require that one of the
20549 operands be a register.
20550 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
20551 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
20553 2006-01-20 DJ Delorie <dj@redhat.com>
20555 * varasm.c (initializer_constant_valid_p): Allow pointers
20556 initialized from integer constants of lesser precision.
20557 (output_constant): Allow non-int-sized pointer modes to be
20558 initialized from integer constants.
20560 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
20563 * cppdefault.h (struct default_include): Add multilib flag.
20564 * cppdefault.c (cpp_include_defaults): Set it.
20565 * c.opt (-imultilib): New option.
20566 * c-opts.c (imultilib): New.
20567 (c_common_handle_option): Handle -imultilib.
20568 (c_common_post_options): Likewise.
20569 * c-incpath.c (add_standard_paths, register_include_chains):
20571 * c-incpath.h (register_include_chains): Add extra parameter.
20572 * gcc.c (do_spec_1): Generate -imultilib option.
20573 (The Specs Language): Update %I description.
20574 (process_command): Update copyright notice.
20575 * doc/cppopts.texi (-imultilib): Document.
20576 * doc/invoke.texi (-imultilib): Include in option summary.
20577 (%I): Update specs documentation.
20579 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20581 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
20583 2006-01-20 Richard Sandiford <richard@codesourcery.com>
20585 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
20588 2006-01-20 Richard Guenther <rguenther@suse.de>
20589 Steven Bosscher <stevenb.gcc@gmail.com>
20591 PR rtl-optimization/24626
20592 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
20593 EDGE_TRUE_VALUE if in RTL mode.
20596 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
20597 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
20599 2006-01-20 Dirk Mueller <dmueller@suse.com>
20602 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
20603 instead of a special NOP marker.
20604 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
20605 NOP marker handling.
20606 * c-common.h (empty_body_warning): Add forward declaration.
20607 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
20608 Now uses IS_EMPTY_STMT() instead of special NOP markers.
20610 2006-01-20 Paul Brook <paul@codesourcery.com>
20612 * Makefile.in (lang_checks): Keep going if mkdir fails.
20614 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20616 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
20617 be able to clean out basic block when not necessary.
20618 (df_scan_free): Fixed to properly delete information if df is
20619 unused before calling df_finish.
20620 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
20621 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
20623 (df_bb_refs_delete): New function.
20624 (df_refs_delete): Moved per block code to df_bb_refs_delete.
20625 * df-core.c (df_set_blocks): Added code to properly clean out
20626 unused blocks if they are not part of the blocks to consider.
20627 Added additional null check.
20628 (df_compact_blocks): Added basic block parameter to free_bb_fun to
20629 be able to clean out basic block when not necessary
20630 * df.h (df_free_bb_function): Ditto.
20631 (df_bb_refs_delete): New function.
20632 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
20633 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
20634 basic block parameter to be able to clean out basic block when not
20636 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
20637 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
20638 Fixed to properly delete information if df is unused before
20641 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20643 PR rtl-optimization/25799
20644 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
20645 Corrected confluence operator to remove bits from op2 before oring
20646 with op1 rather than removing bits from op1.
20647 (df_ru_transfer_function): Corrected test on wrong bitmap which
20648 caused infinite loop. Both of these problems were introduced in
20649 the dataflow rewrite.
20651 2006-01-19 DJ Delorie <dj@redhat.com>
20653 * reload1.c (find_reload_regs): Note the details of reload
20654 failures in the dump file.
20655 (spill_failure): Likewise.
20657 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20659 * loop-iv.c: Include df.h and hashtab.h.
20660 (enum iv_grd_result): New enum.
20661 (DF_REF_IV, DF_REF_IV_SET): New macros.
20662 (struct biv_entry): New.
20663 (df, bivs): New global variables.
20664 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
20665 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
20667 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
20668 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
20669 analyzed_for_bivness_p, record_biv): New functions.
20670 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
20671 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
20672 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
20674 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
20676 (iv_number_of_iterations): Use new interface to iv analysis.
20677 * loop-unroll.c: Do not include varray.h.
20678 (analyze_iv_to_split_insn): Use new interface to iv
20680 * loop-unswitch.c (may_unswitch_on): Ditto.
20681 * df.c (df_bitmaps_free): Only work for bbs for that structures are
20683 (df_bb_modify): Realloc tables to the new index.
20684 (df_find_use): New function.
20685 * df.h (df_find_use): Declare.
20686 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
20688 * cfgloop.h (struct rtx_iv): Remove analysed field.
20689 (iv_get_reaching_def): Removed.
20690 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
20691 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
20692 (loop-iv.o): Add df.h and hashtab.h dependency.
20693 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
20695 2006-01-20 Alan Modra <amodra@bigpond.net.au>
20698 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
20700 (__floatundisf, __floatundidf): Likewise.
20701 * libgcc2.h (IS_IBM_EXTENDED): Define.
20703 2006-01-19 DJ Delorie <dj@redhat.com>
20705 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
20707 2006-01-19 Paul Brook <paul@codesourcery.com>
20709 * config/arm/arm.c (arm_compute_func_type): Treat all functions
20710 as nothrow when unwinding tables are disabled.
20712 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20715 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
20716 of bit-field" when in system header.
20718 2006-01-19 DJ Delorie <dj@redhat.com>
20720 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
20721 the 16 bit shift limit of the m16c.
20723 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
20726 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
20727 * config/i386/i386.c (output_set_got): Output the label if we have one
20728 for the TARGET_DEEP_BRANCH_PREDICTION case.
20730 2006-01-19 Jan Hubicka <jh@suse.cz>
20731 H.J. Lu <hongjiu.lu@intel.com>
20732 Evandro Menezes <evandro.menezes@amd.com>
20734 * invoke.texi (generic): Document
20736 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
20737 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
20738 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
20739 (x86_use_incdec, x86_pad_returns): New variables
20740 (TARGET_CPU_DEFAULT_generic): New constant
20741 (TARGET_CPU_DEFAULT_NAMES): Add generic.
20742 (enum processor_type): Add generic32 and generic64.
20743 * i386.md (cpu attribute): Add generic32/generic64
20744 (movhi splitter): Behave sanely when both partial_reg_dependency and
20745 partial_reg_stall are set.
20746 (K8 splitters): Enable for generic as well.
20747 * predicates.md (incdec_operand): Use TARGET_INCDEC
20748 (aligned_operand): Avoid memory mismatch stalls.
20749 * athlon.md: Enable for generic64, new patterns for 128bit moves.
20750 * ppro.md: Enable for generic32
20751 * i386.c (generic64_cost, generic32_cost): New.
20752 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
20753 (x86_use_leave): Enable for generic64. (x86_use_sahf,
20754 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
20755 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
20756 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
20757 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
20758 x86_partial_reg_dependency, x86_memory_mismatch_stall,
20759 x86_accumulate_outgoing_args, x86_prologue_using_move,
20760 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
20761 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
20762 Enable for generic.
20763 (x86_use_incdec, x86_pad_returns): New.
20764 (override_options): Add generic32 and generic64, translate "generic"
20765 to generic32/generic64 and "i686" to "generic32", refuse
20766 "generic32"/"generic64" as arch target.
20767 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
20768 (ix86_reorg): Honor PAD_RETURNS.
20770 2006-01-19 Diego Novillo <dnovillo@redhat.com>
20772 * tree-pretty-print.c (dump_generic_node): Handle
20773 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
20774 * cgraph.c (cgraph_expand_queue): Rename from
20775 cgraph_analyze_queue. Update all users.
20776 * cgraphunit.c (cgraph_assemble_pending_functions): Process
20777 cgraph_expand_queue.
20778 (cgraph_expand_all_functions): Likewise.
20779 (cgraph_finalize_pending_functions): Remove. Update callers.
20781 * tree.h (OMP_DIRECTIVE_P): Define.
20782 (OMP_PARALLEL_FN): Define.
20783 (OMP_PARALLEL_DATA_ARG): Define.
20784 (OMP_SECTIONS_SECTIONS): Define.
20785 * tree-pass.h (pass_expand_omp): Declare.
20786 * omp-low.c (struct omp_region): Declare.
20787 (struct omp_context): Remove fields 'parallel_type',
20788 'parallel_start_ix' and 'parallel_start_additional_args'.
20790 (struct omp_for_data): Rename from struct expand_omp_for_data.
20791 (omp_regions): New static variable.
20792 (root_omp_region): New static variable.
20793 (find_omp_clause): Make static.
20794 (is_in_combined_parallel_ctx): Remove.
20795 (is_combined_parallel): New.
20796 (extract_omp_for_data): Move earlier in the file.
20797 (workshare_safe_to_combine_p): New.
20798 (get_ws_args_for): New.
20799 (determine_parallel_type): Move earlier in the file.
20800 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
20802 (omp_copy_decl): Likewise.
20803 (create_omp_child_function): Likewise.
20804 (lookup_omp_region): New.
20805 (dump_omp_region): New.
20806 (debug_omp_region): New.
20807 (debug_all_omp_regions): New.
20808 (new_omp_region): New.
20809 (scan_omp_parallel): If parallel_nesting_level > 1, the
20810 directive is nested within another parallel directive.
20811 Set OMP_PARALLEL_FN.
20812 (scan_omp_for): Do not try to handle combined parallel+for
20814 Remove FIXME comment.
20815 (scan_omp_nested): Remove.
20816 (scan_omp_1): Do not call scan_omp_nested when
20817 parallel_nesting_level is > 1.
20818 Do not change the DECL_CONTEXT of local variables found.
20819 (lookup_decl_in_outer_ctx): New.
20820 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
20821 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
20822 (lower_reduction_clauses): Rename from expand_reduction_clauses.
20823 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
20824 If CTX is nested, lookup VAR in the outer context when
20825 building copy assignment.
20826 (lower_send_clauses): Rename from expand_send_clauses.
20827 If CTX is nested, lookup VAR in the outer context when
20828 building copy assignments.
20829 (lower_send_shared_vars): Rename from expand_send_shared_vars.
20830 If CTX is nested, lookup VAR in the outer context when
20831 building copy assignments.
20832 (expand_parallel_call): Rename from build_parallel_call.
20833 Handle combined parallel+workshare cases.
20834 Re-implement to emit code into the CFG.
20836 (expand_omp_parallel): Re-implement to emit code into the CFG.
20837 Call move_sese_region_to_fn to outline the sub-graph
20838 containing the parallel region.
20839 (expand_omp_for_1): Remove.
20840 (expand_omp_for_generic): Re-implement to emit code into the
20842 (expand_omp_for_static_nochunk): Likewise.
20843 (expand_omp_for_static_chunk): Likewise.
20844 (expand_omp_for): Likewise.
20845 (expand_omp_sections): Likewise.
20846 (remove_exit_barriers): New.
20847 (expand_omp_synch): New.
20849 (build_omp_regions_1): New.
20850 (build_omp_regions): New.
20851 (execute_expand_omp): New.
20852 (gate_expand_omp): New.
20853 (pass_expand_omp): Define.
20854 (lower_omp_sections): Rename from expand_omp_sections.
20855 Set OMP_SECTIONS_SECTIONS.
20856 (lower_omp_single_simple): Rename from expand_omp_single_simple.
20857 (lower_omp_single_copy): Rename from expand_omp_single_copy.
20858 (lower_omp_single): Rename from expand_omp_simple.
20859 (lower_omp_master): Rename from expand_omp_master.
20860 (lower_omp_ordered): Rename from expand_omp_ordered.
20861 (lower_omp_critical): Rename from expand_omp_critical.
20862 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
20863 (lower_omp_for): Re-implement.
20864 (lower_omp_parallel): Re-implement.
20865 (lower_regimplify): Rename from expand_regimplify.
20866 (lower_omp_1): Rename from expand_omp_1.
20867 If there are syntax errors in the program, replace every
20868 OpenMP directive with NOP.
20869 Call lower_omp_* instead of expand_omp_*.
20870 (lower_omp): Rename from expand_omp.
20872 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
20873 * tree-gimple.h (enum omp_parallel_type): Remove.
20874 (gimple_boolify): Declare extern.
20875 (find_omp_clause, determine_parallel_type): Remove.
20877 * gimple-low.c (lower_omp_directive): New.
20878 (lower_stmt): Call it.
20879 (record_vars_into): Move from ...
20880 (record_vars): ... here.
20881 Call record_vars_into with current_function_decl.
20883 * gimplify.c (struct gimplify_ctx): Remove fields
20884 combined_pre_p and combined_ctxp. Update users.
20885 (get_formal_tmp_var): Add documentation.
20886 (gimple_boolify): Make extern.
20887 (gimplify_expr_in_ctx): Remove. Update callers.
20888 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
20889 will always be a BIND_EXPR.
20890 (gimplify_expr): Handle OMP_RETURN_EXPR.
20891 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
20892 (OMP_PARALLEL): Add 3 operands.
20893 (OMP_SECTIONS): Add 1 operand.
20894 (OMP_RETURN_EXPR): Define.
20896 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
20897 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
20898 * tree-iterator.c (alloc_stmt_list): Assert that we are not
20899 creating a circular free list.
20900 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
20902 * tree-flow.h (move_sese_region_to_fn): Declare.
20903 (record_vars_into): Declare.
20904 * tree-cfg.c (make_omp_sections_edges): New.
20905 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
20906 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
20907 OMP_SECTIONS and OMP_SECTION.
20908 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
20909 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
20910 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
20911 (gather_blocks_in_sese_region): New.
20912 (struct move_stmt_d): Declare.
20913 (move_stmt_r): New.
20914 (move_block_to_fn): New.
20915 (move_sese_region_to_fn): New.
20917 * passes.c (init_optimization_passes): Schedule
20918 pass_expand_omp after pass_init_datastructures.
20920 * tree-ssa-operands.c (get_expr_operands): Handle
20921 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
20922 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
20924 2006-01-19 Jeff Law <law@redhat.com>
20926 * tree-vrp.c (extract_range_from_assert): Refine the result range
20927 if the variable referenced by the ASSERT_EXPR has a range and
20928 either the tentative result range or the previous range is a
20931 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20933 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
20935 2006-01-19 Jan Hubicka <jh@suse.cz>
20937 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
20939 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
20941 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
20942 (expand_compound_operation, expand_field_assignment): Fail if the
20943 bit lengths of an extract operation are out of range.
20944 (make_extraction): Compute wanted_inner_mode based on the position
20945 and length of the extraction. Make it extraction_mode for non-constant
20946 positions, and do not modify offset in that case. When generating a
20947 new MEM, use a mode that can hold the extraction while keeping correct
20948 alignment. Remove code that supported MEMs wrapped by USEs.
20949 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
20951 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
20953 * config/s390/s390.md ("Y", "y"): New mode attribute.
20954 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
20955 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
20956 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
20957 "*addsi3_imm_cc", "*addsi3_carry1_cc",
20958 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
20959 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
20960 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
20961 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
20962 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
20963 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
20964 "addsi3", "subsi3"): Insn patterns removed.
20965 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
20966 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
20967 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
20968 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
20969 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
20970 "*sub<mode>3_cconly2"): New insn patterns.
20971 ("addsi3", "subsi3"): New expanders.
20973 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
20975 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
20976 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
20977 existing STMT_VINFO_VECTYPE if available.
20978 (vect_mark_relevant): Add special handling for stmts that are
20979 marked as STMT_VINFO_IN_PATTERN_P.
20980 (vect_analyze_loop): Call vect_pattern_recog.
20981 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
20982 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
20984 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
20985 (vect_recog_func_ptr): New function-pointer type.
20986 * tree-vect-patterns.c: New file.
20987 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
20988 (vect_recog_dot_prod_pattern, vect_pattern_recog):
20989 (vect_pattern_recog_1): New functions.
20990 (vect_pattern_recog_funcs): New array of function pointers.
20992 * tree-vectorizer.h (ternary_op): New enum value.
20993 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
20994 declaration. Revised documentation. Removed redundant dump prints.
20995 Removed redundant argument. Added support for reduction patterns.
20996 (vectorizable_reduction): Added support for reduction patterns.
20997 (vect_transform_stmt): Added support for patterns.
20999 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
21000 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
21001 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
21002 (expand_widen_pattern_expr): New function.
21003 (init_optabs): Initialize new optabs udot_prod_optab,
21005 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
21006 (sdot_prod_optab, udot_prod_optab): Define new optabs.
21007 (expand_widen_pattern_expr): New function declaration.
21008 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
21010 * tree-inline.c (estimate_num_insns_1): Added cases for new
21011 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21012 * tree-pretty-print.c (dump_generic_node): Likewise.
21013 (op_prio): Likewise.
21014 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21015 * tree-ssa-operands.c (get_expr_operands): Added case for
21017 * tree-vect-patterns.c (widened_name_p): New function.
21018 (vect_recog_dot_prod_pattern): Added function implementation.
21019 * tree-vect-transform.c (get_initial_def_for_reduction): Added
21020 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
21021 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
21022 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21024 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21025 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21026 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21027 (init_optabs): Initialize new optabs widen_ssum_optab,
21029 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21030 (widen_ssum_optab, widen_usum_optab): Define new optabs.
21031 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
21032 use instead of type of def.
21033 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21034 function implementation.
21035 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
21036 widen_ssumv8hi): New.
21038 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21041 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21044 * c-decl.c (add_flexible_array_elts_to_size): New function.
21045 (finish_decl): Use it.
21047 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
21049 * diagnostic.h: Include options.h.
21050 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21051 dependancies for diagnostic.h.
21052 * Makefile.in (DIAGNOSTIC_H): Add options.h.
21054 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
21056 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21057 (ssa_ro_call_cache_valid): Ditto.
21058 * tree-ssa-alias.c (sort_tags_by_id): New function.
21059 (init_transitive_clobber_worklist): Ditto.
21060 (add_to_worklist): Ditto.
21061 (mark_aliases_call_clobbered): Ditto.
21062 (compute_tag_properties): Ditto.
21063 (set_initial_properties): Ditto.
21064 (compute_call_clobbered): Ditto.
21065 (compute_may_aliases): Call compute_call_clobbered and grouping.
21066 (compute_flow_sensitive_aliasing): Remove clobbering related code.
21067 (compute_flow_insensitive_aliasing): Grouping now happens in our
21069 (setup_pointers_and_addressables): Remove clobbering related code.
21070 (add_may_alias): Ditto.
21071 (replace_may_alias): Ditto.
21072 (get_nmt_for): Ditto.
21073 (create_global_var):
21074 (is_escape_site): Return an escape_type enumeration.
21075 * tree-flow-inline.h (is_call_clobbered): Global var does not
21076 imply call clobbered.
21077 (mark_call_clobbered): Take a reason for marking this. Remove
21078 marking of globalness, and cache invalidation.
21079 (clear_call_clobbered): Remove cache invalidation code.
21080 * tree-dfa.c (dump_variable): If details is on, dump the reason
21082 * tree-outof-ssa.c (create_temp): Copy escape mask from original
21084 * tree-flow.h (struct ptr_info_def): Add escape mask member.
21085 (struct var_ann_d): Ditto.
21086 (enum escape_type): New.
21087 (mark_call_clobbered): Adjust prototype.
21088 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21089 are never call clobbered.
21090 Record reasons for escaping.
21091 * tree-ssa-structalias.h (is_escape_site): Update prototype.
21092 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21093 (ssa_ro_call_cache_valid): Ditto.
21094 (clobbered_v_may_defs): Ditto.
21095 (clobbered_vuses): Ditto.
21096 (ro_call_vuses): Ditto.
21097 (clobber_stats): New.
21098 (init_ssa_operands): Zero out clobber stats.
21099 (fini_ssa_operands): Print out clobber stats.
21100 (get_call_expr_operands): Pass callee fndecl to
21101 add_call_read_ops).
21102 (add_call_clobber_ops): Remove use of cache.
21103 Add use of PURE_CONST information.
21104 (add_call_read_ops): Remove use of cache.
21105 Add use of static not_read information.
21107 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
21109 Introduce TLS descriptors for i386 and x86_64.
21110 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21111 (TARGET_ANY_GNU_TLS): New macro.
21112 (enum tls_dialect): Added TLS_DIALECT_GNU2.
21113 (struct machine_function): Add tls_descriptor_call_expanded_p.
21114 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21115 (ix86_current_function_calls_tls_descriptor): Likewise.
21116 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21117 (override_options): Introduce gnu2 tls dialect.
21118 (ix86_frame_pointer_required): Functions containing TLSCALLs are
21120 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21122 (legitimize_tls_address): Adjust logic for GNU2 TLS.
21123 (ix86_init_machine_status): Initialize new field.
21124 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21125 (ix86_tls_module_base): New.
21126 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21127 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21128 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21129 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21130 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21131 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21132 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21133 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21134 * config/i386/predicates.md (tls_modbase_operand): New.
21135 (tp_or_register_operand): New.
21137 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
21139 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21140 (look_for_address_of): Ditto.
21141 (ipa_init): Walk the function decls.
21142 (static_execute): Don't set readonly on FUNCTION_DECL's.
21144 2006-01-18 Roger Sayle <roger@eyesopen.com>
21146 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21147 for shifts where the source and destination registers are different.
21149 2006-01-18 Paul Brook <paul@codesourcery.com>
21151 Merge from csl-arm-branch.
21152 2005-03-14 Julian Brown <julian@codesourcery.com>
21153 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
21154 (aeabi_llsl): Likewise.
21155 (ashrdi3): Likewise.
21156 (aeabi_lasr): Likewise.
21157 (lshrdi3): Likewise.
21158 (aeabi_llsr): Likewise.
21159 2005-03-10 Julian Brown <julian@codesourcery.com>
21160 * config.gcc: Disable shared libgcc for SymbianOS.
21161 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
21163 2006-01-18 DJ Delorie <dj@redhat.com>
21165 * c-pragma.c (handle_pragma_diagnostic): New.
21166 (init_pragma): Register it.
21167 * doc/extend.texi: Document it.
21169 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
21170 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
21171 (diagnostic_context): Add classify_diagnostic[].
21172 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
21173 as errors if they're overridden to DK_WARNING.
21174 (diagnostic_initialize): Initialize classify_diagnostic[].
21175 (diagnostic_set_kind_override): New.
21176 (diagnostic_report_diagnostic): Check for kind changes.
21177 * opts.c (common_handle_option): Take lang_mask. Update callers.
21178 Handle OPT_Werror_.
21179 * common.opt (Werror=): New.
21180 * doc/invoke.texi: Document -Werror=*
21182 2006-01-18 Jeff Law <law@redhat.com>
21184 * tree-vrp.c (test_for_singularity): Correct test for new
21185 min limit. Use operand_equal_p rather than pointer equality
21186 for testing if new min/max values are equal.
21188 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
21189 using range information until after propagation and folding.
21191 2006-01-18 Richard Henderson <rth@redhat.com>
21192 Aldy Hernandez <aldyh@redhat.com>
21193 Jakub Jelinek <jakub@redhat.com>
21194 Diego Novillo <dnovillo@redhat.com>
21196 * omp-low.c: New file.
21197 * c-omp.c: New file.
21199 2006-01-18 Richard Henderson <rth@redhat.com>
21200 Jakub Jelinek <jakub@redhat.com>
21201 Diego Novillo <dnovillo@redhat.com>
21203 * doc/invoke.texi: Document -fopenmp.
21204 * tree-dump.h (debug_function): Declare.
21205 * hooks.c (hook_bool_tree_bool_false): New function.
21206 (hook_tree_tree_null): Remove.
21207 (hook_tree_tree_tree_null): New.
21208 * hooks.h: Update to match.
21209 * tree-pretty-print.c (debug_tree_chain): New.
21210 (print_generic_expr): Handle TDF_CHAIN.
21211 (dump_generic_node): Handle BLOCK.
21212 Do not abort with incomplete SWITCH_EXPRs.
21213 Do not dump body of an OpenMP directive if TDF_SLIM is given.
21214 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
21215 print space after directive name.
21216 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
21217 Handle OMP_MASTER and OMP_ORDERED.
21218 Handle printing of OMP_BODY just in one place, goto
21219 dump_omp_body in the rest of OMP_* nodes that have
21221 Don't handle clause nodes here. Update omp statements to
21222 use dump_omp_clauses.
21223 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
21224 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
21225 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
21226 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
21227 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
21228 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
21229 Adjust output for GOMP_PARALLEL.
21230 (dump_omp_clauses): New.
21231 (print_declaration): Dump DECL_VALUE_EXPR.
21232 (op_symbol_1): Split out of op_symbol.
21233 (dumping_stmts): Remove. Update all users.
21234 * cgraph.c (cgraph_analyze_queue): New.
21235 (cgraph_add_new_function): New.
21236 * cgraph.h (cgraph_analyze_queue): Declare.
21237 (cgraph_add_new_function): Declare.
21238 (cgraph_lower_function): Remove.
21239 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
21240 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
21241 and TYPE_P nodes in its default clause.
21242 (empty_body_p): New.
21243 (tree_range_check_failed): New.
21244 (build5_stat): New.
21245 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
21246 OMP_CLAUSE_REDUCTION_MERGE,
21247 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
21248 OMP_CLAUSE_PRIVATE_DEBUG,
21249 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
21250 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
21251 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
21252 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
21253 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
21254 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
21255 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
21256 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
21257 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
21258 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
21259 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
21260 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
21261 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
21262 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
21263 (TREE_RANGE_CHECK): New.
21264 (empty_body_p): Declare.
21265 (enum omp_clause_default_kind): New.
21266 (build_string_literal): Declare.
21267 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
21268 (build5_stat, build5): Declare.
21269 * tree-pass.h (TDF_CHAIN): Define.
21270 * tree-pass.h (PROP_gimple_lomp): Define.
21271 (pass_lower_omp): Declare.
21272 * diagnostic.h (debug_tree_chain): Declare.
21273 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
21275 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
21276 * builtins.c (build_string_literal): Make extern.
21277 * gcc.c (include_spec_function): New.
21278 (static_spec_functions): Add it.
21279 (main): Move load of libgomp.spec ...
21280 (LINK_COMMAND_SPEC): ... here.
21281 (link_gomp_spec): New.
21282 (static_specs): Include it.
21283 (LINK_COMMAND_SPEC): Add link_gomp.
21284 (GOMP_SELF_SPECS): New.
21285 (driver_self_specs): Include it.
21286 (switch_matches): Don't mark inline.
21287 (main): Load libgomp.spec.
21288 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
21289 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
21290 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
21291 * tree-gimple.h (enum omp_parallel): Declare.
21292 (determine_parallel_type): Declare.
21293 (omp_firstprivatize_variable): Declare.
21294 (omp_reduction_init): Declare.
21295 (diagnose_omp_structured_block_errors): Declare.
21296 (struct walk_stmt_info): Add want_return_expr.
21297 (struct walk_stmt_info): Add want_bind_expr, want_locations.
21298 (find_omp_clause): Declare.
21299 (insert_field_into_struct): Declare.
21300 (struct walk_stmt_info): Move from tree-nested.c
21301 (walk_stmts): Declare.
21302 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21304 * cgraphunit.c (cgraph_lower_function): Make static.
21305 (cgraph_finalize_pending_functions): New.
21306 (cgraph_finalize_function): Call it.
21307 (cgraph_finalize_compilation_unit): Likewise.
21308 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21309 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21310 (BT_FN_UINT_UINT): New.
21311 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21312 DEF_FUNCTION_TYPE_VAR_4): Document.
21313 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21314 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21315 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21316 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21317 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21318 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21319 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21320 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21321 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21322 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21323 into separate files.
21324 (DEF_GOMP_BUILTIN): New.
21325 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21326 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21327 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21328 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21329 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21330 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21331 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21332 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21333 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21334 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21335 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21336 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21337 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21338 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21339 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21340 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21341 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21342 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21343 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21344 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21345 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21346 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21347 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21348 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21349 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21350 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21351 * sync-builtins.def: New file, moved from builtins.def.
21352 * omp-builtins.def: New file, moved from builtins.def.
21353 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21354 * gimple-low.c (lower_function_body): Clear data.
21355 (lower_stmt): Do not handle COMPOUND_EXPR.
21356 Remove call to print_node_brief.
21357 * c-tree.h (c_finish_omp_clauses): New prototype.
21358 (C_DECL_THREADPRIVATE_P): Define.
21359 (lookup_name_no_remap, c_omp_remap_private): Remove
21360 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21361 (check_for_loop_decls): Update decl.
21362 (lookup_name_no_remap, c_omp_remap_private): Declare.
21363 (build_indirect_ref, build_modify_expr, pushdecl,
21364 pushdecl_top_level): Move to c-common.h.
21365 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21366 before the switch, but just in the 2 places that need it.
21367 * c-decl.c (diagnose_mismatched_decls): Do not check for
21368 mismatched thread-local attributes when OLDDECL is marked
21369 threadprivate and NEWDECL has no thread-local attributes.
21370 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21371 (c_gimple_diagnostics_recursively): Rename from
21372 c_warn_unused_result_recursively. Invoke
21373 diagnose_omp_structured_block_errors.
21374 (check_for_loop_decls): Return a singular decl found.
21375 * langhooks.c (lhd_omp_predetermined_sharing): Return
21376 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21377 (lhd_omp_firstprivatize_type_sizes): New.
21378 (lhd_omp_assignment): New.
21379 (lhd_omp_predetermined_sharing): New.
21380 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21381 (struct lang_hooks_for_types): Add
21382 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21383 omp_predetermined_sharing, omp_disregard_value_expr,
21384 omp_private_debug_clause, omp_clause_default_ctor,
21385 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21386 (c_finish_omp_clauses): New.
21387 (c_finish_bc_stmt): Diagnose break within omp for.
21388 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21389 (build_unary_op): Return error_mark after reporting
21391 (build_modify_expr): Likewise.
21392 * gimplify.c: Include optabs.h and pointer-set.h.
21393 (enum gimplify_omp_var_data): Declare.
21394 (struct gimplify_omp_ctx): Declare.
21395 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21397 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21398 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21399 (splay_tree_compare_decl_uid): New.
21400 (new_omp_context): New.
21401 (delete_omp_context): New.
21402 (gimple_add_tmp_var): Call omp_add_variable.
21403 (gimplify_bind_expr): Likewise.
21404 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21405 true, disregard DECL_VALUE_EXPR on the decl if any.
21406 (gimplify_expr_in_ctx): New.
21407 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21408 omp_add_variable, omp_notice_variable, omp_is_private
21409 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21410 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21411 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21412 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21413 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21414 gimplify_omp_atomic): New.
21415 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21416 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21417 OMP_CRITICAL and OMP_ATOMIC.
21418 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21419 * c-pragma.h (enum pragma_kind): Add
21420 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21421 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21422 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21423 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21424 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21425 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21426 PRAGMA_OMP_THREADPRIVATE.
21427 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21428 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21429 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21430 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21431 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21432 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21433 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21434 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21435 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21436 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21437 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21438 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21439 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21441 (struct nesting_info): Add field_map,
21442 suppress_expansion, debug_var_chain.
21443 (create_nesting_tree): Initialize them.
21444 (lookup_field_for_decl): Use field_map.
21445 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21446 (convert_local_omp_clauses): New.
21447 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21448 (walk_body): Split out of walk_function.
21449 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21450 (convert_nonlocal_reference): Handle omp statements.
21451 (convert_local_reference): Likewise.
21452 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21453 (unnest_nesting_tree): New.
21454 (lower_nested_functions): Call it.
21455 (insert_field_into_struct): Make extern.
21456 (struct walk_stmt_info): Move to tree-gimple.h.
21457 (walk_stmts): Make extern.
21458 * omp-builtins.def: New file.
21459 * tree-iterator.c (expr_only): Clarify comment.
21460 * c-common.h (pushdecl_top_level, pushdecl,
21461 build_modify_expr, build_indirect_ref,
21462 c_finish_omp_master, c_finish_omp_critical,
21463 c_finish_omp_ordered, c_finish_omp_barrier,
21464 c_finish_omp_atomic, c_finish_omp_flush,
21465 c_finish_omp_for, c_split_parallel_clauses,
21466 omp_clause_default_kind, c_omp_sharing_predetermined,
21467 c_omp_remap_decl): Declare.
21468 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21469 (OBJS-common): Add omp-low.o.
21470 (c-omp.o, omp-low.o): Add.
21471 (gimplify.o): Add dependency on $(OPTABS_H).
21472 (GTFILES): Add omp-low.c.
21473 (gt-stringpool.h): Add.
21474 * tree-cfg.c (set_bb_for_stmt): Do not update the
21475 block-to-labels map if we are currently expanding to RTL.
21476 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21478 Handle IDENTIFIER_NODE.
21479 (tree_verify_flow_info): Do not ICE when emitting error
21480 messages about invalid labels.
21481 (dump_function_to_file): Reset CFUN before emitting the body
21483 (debug_function): New.
21484 * passes.c (init_optimization_passes): Schedule
21486 * langhooks-def.h (lhd_omp_predetermined_sharing,
21487 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21489 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21490 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21491 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21492 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21493 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21494 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21495 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21496 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21497 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21498 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21499 (LANG_HOOK_DECLS): Use them.
21501 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21502 Richard Henderson <rth@redhat.com>
21503 Jakub Jelinek <jakub@redhat.com>
21504 Diego Novillo <dnovillo@redhat.com>
21506 * c-parser.c (pragma_omp_clause): Define.
21507 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21508 (c_parser_compound_statement): Likewise.
21509 (c_parser_statement): Likewise.
21510 (c_parser_pragma): Handle omp pragmas.
21511 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21512 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
21513 (c_parser_omp_clause_name, check_no_duplicate_clause,
21514 c_parser_omp_variable_list,
21515 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
21516 c_parser_omp_clause_copyprivate,
21517 c_parser_omp_clause_default,
21518 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
21519 c_parser_omp_clause_lastprivate,
21520 c_parser_omp_clause_nowait,
21521 c_parser_omp_clause_num_threads,
21522 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
21523 c_parser_omp_clause_reduction,
21524 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
21525 c_parser_omp_all_clauses, c_parser_omp_structured_block,
21526 c_parser_omp_atomic, c_parser_omp_barrier,
21527 c_parser_omp_critical, c_parser_omp_flush,
21528 c_parser_omp_for_loop, c_parser_omp_for,
21529 c_parser_omp_master, c_parser_omp_ordered,
21530 c_parser_omp_sections_scope, c_parser_omp_sections,
21531 c_parser_omp_parallel, c_parser_omp_single,
21532 c_parser_omp_construct, c_parser_omp_threadprivate): New.
21533 * c-pragma.c (init_pragma): Do omp pragma registration here.
21534 * c.opt (fopenmp): New flag.
21536 2006-01-18 Eric Christopher <echristo@apple.com>
21538 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
21539 * config/darwin.h (GOMP_SELF_SPECS): Define.
21541 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21543 * rtl.h: Remove the prototype for reg_alloc.
21545 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21548 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
21549 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
21550 sjlj and dwarf2 exception handling.
21551 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
21552 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
21553 * pa/pa.c (function_value): Treat complex and vector types as
21555 (function_arg): Likewise. Only pass scalar floats in the floating
21556 point argument registers.
21557 * pa/t-slibgcc-dwarf-ver: New file.
21558 * pa/t-slibgcc-sjlj-ver: New file.
21559 * pa/t-slibgcc-elf-ver: Delete file.
21561 2006-01-19 Alan Modra <amodra@bigpond.net.au>
21563 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
21564 unlikely_test_section_p test.
21566 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21568 * mode-switching.c (optimize_mode_switching): Make it static.
21569 * basic-block.h: Remove the prototype for
21570 optimize_mode_switching.
21572 * modulo-sched.c (sms_schedule): Make it static.
21573 * rtl.h: Remove the prototype for sms_schedule.
21575 * postreload-gcse.c (gcse_after_reload_main): Make it static.
21576 * rtl.h: Remove the prototype for gcse_after_reload_main.
21578 * reg-stack.c (reg_to_stack): Make it static.
21579 * rtl.h: Remove the prototype for reg_to_stack.
21581 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
21583 * rtl.h: Remove the prototypes for regrename_optimize and
21584 copyprop_hardreg_forward.
21586 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
21588 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
21589 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
21590 Test against the appropriate null constant for the mode.
21591 If 'fixup_overlap' is true, swap the operands if they overlap.
21592 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
21593 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
21594 alpha_split_tmode_pair and adjust for above change.
21595 * config/alpha/alpha.md (movtf_internal): Adjust call to
21596 alpha_split_tfmode_pair and rely on it to swap the operands.
21597 (movti_internal): New insn and post-reload splitter.
21598 (movti): New expander.
21600 2006-01-18 Philippe De Muyter <phdm@macqel.be>
21602 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
21605 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21607 * rtlanal.c (global_reg_mentioned_p_1,
21608 global_reg_mentioned_p): Remove.
21609 * rtl.h: Remove the prototype for global_reg_mentioned_p.
21611 * flow.c (initialize_uninitialized_subregs): Make it static.
21612 * rtl.h: Remove the prototype for
21613 initialize_uninitialized_subregs.
21615 * function.c (instantiate_virtual_regs): Make it static.
21616 * function.h: Remove the prototype for
21617 instantiate_virtual_regs.
21619 * regmove.c (regmove_optimize, combine_stack_adjustments):
21621 * rtl.h: Remove the prototypes for regmove_optimize and
21622 combine_stack_adjustments.
21624 2006-01-17 Roger Sayle <roger@eyesopen.com>
21626 * config/i386/i386.c (COSTS_N_BYTES): New macro.
21627 (size_cost): Encode costs in bytes so that a reg-reg addition is
21628 equivalent to COSTS_N_INSNS(1).
21629 (override_options): Use the size_cost.branch_cost as the default
21630 ix86_branch_cost when optimizing for size.
21632 2006-01-18 Ben Elliston <bje@au.ibm.com>
21634 * Makefile.in (D32PBIT_FUNCS): New.
21635 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
21636 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
21637 D64PBIT_FUNCS and D128PBIT_FUNCS.
21638 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
21639 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
21641 (decnumber_dep): Define.
21642 * doc/libgcc.texi (Decimal float library routines): New node.
21643 * config/dfp-bit.h, config/dfp-bit.c: New files.
21645 2006-01-18 Ben Elliston <bje@au.ibm.com>
21647 * expr.c (emit_move_change_mode): Always adjust addresses, not
21648 just during reload. Copy replacements only during reload.
21649 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
21650 emit_move_via_integer.
21652 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
21654 * Makefile.in (check-%, check-consistency): Use $${srcdir}
21655 instead of $(srcdir) and ${srcdir}.
21657 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
21660 PR middle-end/11135
21661 * arm.h (struct machine_function): Add pic_reg.
21662 * arm.c (arm_pic_register): Make unsigned.
21663 (arm_override_options): Only set arm_pic_register if
21664 TARGET_SINGLE_PIC_BASE.
21665 (use_return_insn): Only test for a pic register if it is fixed.
21666 (arm_compute_save_reg0_reg12_mask): Likewise.
21667 (thumb_compute_save_reg_mask): Likewise.
21668 (legitimate_pic_operand): Factor out some known invariants.
21669 (legitimize_pic_address): If we don't have a fixed pic register,
21670 then set up a pseudo in the function entry sequence. Handle the
21671 pic base being in a pseudo.
21672 (arm_load_pic_register): Handle the pic register being in a pseudo.
21673 (arm_expand_prologue): Only set up the pic register if it is fixed.
21674 (thumb_expand_prologue): Likewise.
21675 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
21676 (pic_load_addr_based_insn): Likewise.
21677 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
21680 2006-01-18 Ben Elliston <bje@au.ibm.com>
21682 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
21683 decimal float modes for all floating point registers.
21685 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
21686 match_code "mem" with match_test "macho_lo_sum_memory_operand".
21688 2006-01-17 Jakub Jelinek <jakub@redhat.com>
21691 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
21692 even when the pointer is not NULL.
21694 2006-01-16 Ian Lance Taylor <ian@airs.com>
21696 * common.opt (ftoplevel-reorder): New option.
21697 * cgraph.c (cgraph_asm_nodes): New global variable.
21698 (cgraph_asm_last_node): New static variable.
21699 (cgraph_order): New global variable.
21700 (cgraph_create_node): Set new order field.
21701 (cgraph_varpool_node): Likewise.
21702 (decide_is_variable_needed): Return true if not
21703 flag_toplevel_reorder.
21704 (cgraph_add_asm_node): New function.
21705 * cgraph.h (struct cgraph_node): Add order field.
21706 (struct cgraph_varpool_node): Add order field.
21707 (struct cgraph_asm_node): Define.
21708 (cgraph_asm_nodes, cgraph_order): Declare.
21709 (cgraph_add_asm_node): Declare.
21710 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
21712 (cgraph_varpool_assemble_pending_decls): Call it.
21713 (cgraph_output_pending_asms): New static function.
21714 (cgraph_finalize_compilation_unit): Call it.
21715 (struct cgraph_order_sort): Define.
21716 (cgraph_output_in_order): New static function.
21717 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
21718 !flag_toplevel_reorder case.
21719 * c-parser.c: Include "cgraph.h".
21720 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
21722 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
21723 than -fno-unit-at-a-time.
21724 * doc/invoke.texi (Option Summary): Mention
21725 -fno-toplevel-reorder.
21726 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
21727 -funit-at-a-time documentation.
21729 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
21730 Kazu Hirata <kazu@codesourcery.com>
21732 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
21734 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
21736 * Makefile.in (FUNCTION_H): New. Use it instead of
21737 function.h throughout the file.
21738 * function.h: Include tree.h.
21740 2006-01-17 Ben Elliston <bje@au.ibm.com>
21742 * recog.c: Separate some functions with whitespace.
21744 2006-01-16 Richard Henderson <rth@redhat.com>
21746 Merge from gomp branch:
21747 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
21748 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
21749 and rename from struct inline_data. Rename callee* to dst*;
21750 caller* to src*; add copy_decl hook, transform_call_graph_edges,
21751 transform_new_cfg, transform_return_to_modify, and
21752 transform_lang_insert_block flags; remove cloning_p, versioning_p,
21754 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
21755 (copy_decl_for_dup): Remove.
21756 * tree-inline.c (struct inline_data): Move to header.
21757 (insert_decl_map): Export.
21758 (remap_decl): Update for member name changes. Use copy_decl hook.
21759 Allow for replacement to be a non-decl. Remove dead code.
21760 (remap_type_1): Check for existing mapping.
21761 (remap_type): Export.
21762 (remap_decls): Update for member name changes.
21763 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
21764 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
21765 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
21766 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
21767 (tree_function_versioning, build_duplicate_type): Likewise.
21768 (copy_body_r): Likewise. Export.
21769 (copy_decl_for_dup): Split into ...
21770 (copy_decl_for_dup_finish, copy_decl_to_var,
21771 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
21772 (replace_ref_tree, inlining_p): Remove.
21774 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21776 * ifcvt.c (if_convert): Make it static.
21777 * rtl.h: Remove the prototype for if_convert.
21779 * local-alloc.c (local_alloc): Make it static.
21780 * rtl.h: Remove the prototype for local_alloc.
21782 * loop.c (loop_optimize): Make it static.
21783 * cfgloop.h: Remove the prototype for loop_optimize.
21786 2006-01-16 DJ Delorie <dj@redhat.com>
21788 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
21791 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21793 * pa.md: Disparage copies between general and floating-point registers
21794 in 32-bit move patterns.
21796 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
21799 * Makefile.in (check-%): Depend on site.exp instead of
21800 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
21803 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21805 * global.c (global_alloc): Make it static.
21806 * rtl.h: Remove the prototype for global_alloc.
21808 2006-01-16 Richard Guenther <rguenther@suse.de>
21810 * tree-ssa-alias.c (struct used_part): Add write_only field.
21811 (get_or_create_used_part_for): Initialize it to true.
21812 (create_overlap_variables_for): Don't create structure variables
21813 for structures that only are written to.
21814 (find_used_portions): Handle MODIFY_EXPR to track whether a
21815 structure is only written to.
21817 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21819 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
21821 * basic-block.h: Remove the prototype for
21822 partition_hot_cold_basic_blocks.
21824 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
21826 * cppspec.c (lang_specific_spec_functions): Remove.
21827 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
21828 * gcc.h (lang_specific_spec_functions): Remove.
21829 * gccspec.c (lang_specific_spec_functions): Remove.
21831 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
21833 * combine.c (record_value_for_reg): Invalidate registers
21835 (record_dead_and_set_regs_1): Likewise, by passing them to
21836 record_value_for_reg.
21837 (record_dead_and_set_regs): Invalidate stores made by a
21838 call. We do not combine across a call, but we still
21839 relied on equivalences.
21841 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21843 * tree-vrp.c (extract_range_from_binary_expr): Cope with
21844 vrp_int_const_binop returning non-constant nodes.
21846 2006-01-16 Paul Brook <paul@codesourcery.com>
21848 * config/m68k/m68k.c (output_move_const_into_data_reg):
21849 Output correct mnemonic for mvz and mvs.
21851 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
21853 * rtl-factoring.c: Add sequence abstraction algorithm.
21854 * cfgcleanup.c (outgoing_edges_match): Extra checks.
21855 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
21857 (block_has_preserve_label): New function.
21858 * common.opt: Register new pass.
21859 * Makefile.in: Ditto.
21861 * timevar.def: Ditto.
21862 * tree-pass.h: Ditto.
21863 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
21864 * rtl.h (make_jump_insn_raw): Add forward decl.
21865 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
21867 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21868 Roger Sayle <roger@eyesopen.com>
21870 * fold-const.c (fold_minmax): New static function.
21871 (fold_binary) <MIN_EXPR>: Call it.
21872 <MAX_EXPR>: Likewise.
21873 * stor-layout.c (place_field): Use DECL_SIZE consistently
21874 in the computation of the new record size.
21876 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21878 * cse.c (cse_condition_code_reg): Make it static.
21879 * rtl.h: Remove the prototype for cse_condition_code_reg.
21881 * combine.c (combine_instructions): Make it static.
21882 * rtl.h: Remove the prototype for combine_instructions.
21884 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21887 * tree.c (get_file_function_name_long): Concatenate the first global
21888 object name with a string derived from the input filename of the object
21891 2006-01-16 Ben Elliston <bje@au.ibm.com>
21893 * config/i386/winnt-stubs.c: Update FSF address.
21894 * config/xtensa/ieee754-df.S: Ditto.
21895 * config/xtensa/ieee754-sf.S: Ditto.
21897 2006-01-14 Ian Lance Taylor <ian@airs.com>
21899 * ifcvt.c (noce_init_if_info): New static function, broken out of
21900 noce_process_if_block.
21901 (noce_process_if_block): Call noce_init_if_info.
21902 (check_cond_move_block): New static function.
21903 (cond_move_process_if_block): New static function.
21904 (process_if_block): Call cond_move_process_if_block.
21906 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
21908 * cselib.c (hash_table): Rename to cselib_hash_table.
21909 (cselib_clear_table, discard_useless_values,
21910 remove_useless_values, cselib_lookup_mem, cselib_lookup,
21911 cselib_init, cselib_finish): Adjust uses of hash_table.
21913 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
21915 PR tree-optimization/25485
21916 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
21917 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
21918 is known to be false and true, respectively.
21920 2006-01-14 Richard Guenther <rguenther@suse.de>
21922 PR tree-optimization/22548
21923 PR tree-optimization/22555
21924 PR tree-optimization/22501
21925 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
21926 * params.def (salias-max-array-elements): New parameter.
21927 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
21928 * doc/invoke.texi (salias-max-array-elements): Document.
21929 * tree-flow-inline.h (var_can_have_subvars): We also handle
21931 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
21933 * tree-ssa-structalias.c (params.h): Include.
21934 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
21935 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
21936 (get_constraint_for): For ADDR_EXPR operating on something
21937 containing an ARRAY_REF, add all subvars to the solution.
21938 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
21939 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
21940 for creating MUST_DEFs.
21941 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
21943 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
21945 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
21947 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
21948 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
21949 number_of_iterations_le): New functions.
21950 (number_of_iterations_special): Removed.
21951 (number_of_iterations_exit): Do not use number_of_iterations_special.
21952 * tree.c (unsigned_type_for): Always return integer type.
21954 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
21955 Richard Guenther <rguenther@suse.de>
21957 PR rtl-optimization/24257
21958 * gcse.c (find_moveable_store): Only consider a store movable
21959 when the SET_SRC of the insn can be assigned to a register.
21961 2006-01-14 Ian Lance Taylor <ian@airs.com>
21963 * tree.c (tree_not_class_check_failed): New function.
21964 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
21965 (tree_not_class_check_failed): Declare.
21967 2006-01-13 Ian Lance Taylor <ian@airs.com>
21969 * reload1.c (do_output_reload): Add assertion rejecting a
21972 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
21974 * combine.c (struct reg_stat): Add new fields truncation_label and
21976 (record_value_for_reg): Reset truncated_to_mode.
21977 (record_truncated_value): New function.
21978 (check_promoted_subreg): Call it. Rename to check_conversions.
21979 (combine_instructions): Rename check_promoted_subreg to
21981 (reg_truncated_to_mode): New function.
21982 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
21983 (gen_lowpart_or_truncate): New function.
21984 (force_to_mode): Use it instead of gen_lowpart.
21986 2006-01-13 Diego Novillo <dnovillo@redhat.com>
21988 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
21989 VAR is a tag, not its type tag.
21991 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
21993 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
21994 alternatives to match style of other entries.
21995 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
21997 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
21999 PR tree-optimization/25771
22000 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
22003 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
22006 * tree-inline.c (declare_return_variable): If the return variable
22007 was marked as a non gimple complex, set the return slot variable
22008 to be a non gimple comple variable.
22010 2006-01-13 Richard Guenther <rguenther@suse.de>
22012 * builtins.c (expand_builtin_sincos): New function.
22013 (expand_builtin_mathfn_3): Remove dead code, sin and cos
22015 (expand_builtin): Expand sincos using expand_builtin_sincos.
22017 2006-01-12 DJ Delorie <dj@redhat.com>
22019 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
22020 shift counts, separate SI shifts for m32c vs m16c, pass shift type
22021 so that constant shifts can be split.
22022 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22023 (m32c_valid_pointer_mode): Make static.
22024 (shift_gen_func_for): New.
22025 (m32c_prepare_shift): Use it. Split large const shifts into
22027 * config/m32c/predicates.md (shiftcount_operand): Allow more
22029 (longshiftcount_operand): New.
22030 * doc/md.texi (Machine Constraints): Document In6.
22032 2006-01-13 Ben Elliston <bje@au.ibm.com>
22034 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22035 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22038 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
22040 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22041 to try to avoid clobbering pieces of structures when we know
22042 something about the whole structure.
22043 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22045 2006-01-13 Ben Elliston <bje@au.ibm.com>
22047 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
22048 return in memory, as this is no limitation is no longer present.
22050 2006-01-12 DJ Delorie <dj@redhat.com>
22052 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
22053 mova with fb, and for fb+0 -> An.
22055 * config/m32c/mov.md (peephole2): Fix enabling logic.
22057 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22058 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22059 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22060 FINI_ARRAY_SECTION_ASM_OP): Define.
22062 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22064 (m32c_legitimize_reload_address): New logic to reload FB to An.
22065 (m32c_output_reg_push): Add newline.
22066 (m32c_output_reg_pop): Likewise.
22068 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
22070 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22072 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
22074 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22076 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22078 * config/sh/predicates.md (sh_rep_vec): Add parallel to
22081 2006-01-11 Ben Elliston <bje@au.ibm.com>
22083 * rtlanal.c (find_reg_note): Assert insn is not null.
22085 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22087 * df-scan.c (df_hard_reg_init): Move declaration of i outside
22090 2006-01-11 Jeff Law <law@redhat.com>
22092 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22094 (mark_threaded_blocks, register_jump_thread): New functions.
22095 (thread_through_all_blocks): Remove unwanted argument. No
22096 longer rely on e->aux to communicate thread target info.
22097 Call mark_threaded_blocks. Release the threaded_blocks
22098 bitmap and threaded_edges vector when complete.
22099 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22100 (threaded_blocks): Remove.
22101 (tree_ssa_dominator_optimize): Remove initialization and
22102 finalization of threaded_blocks. Simplify call to
22103 thread_through_all_blocks.
22104 (thread_across_edge): Call register_jump_thread rather than
22105 storing thread information into e->aux.
22106 (free_all_edge_infos): Simplify now that e->aux is no longer
22107 used to communicate with thread_through_all_blocks.
22108 * tree-flow.h (thread_through_all_blocks): Update prototype.
22109 (register_jump_thread): Prototype.
22111 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22113 * df-core.c (df_compact_blocks, df_bb_replace): Use
22114 SET_BASIC_BLOCK instead of BASIC_BLOCK.
22116 2006-01-11 Richard Guenther <rguenther@suse.de>
22118 PR tree-optimization/25734
22119 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22120 stop propagation after successful propagation to the LHS.
22122 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22124 * basic-block.h (control_flow_graph): Change the type of
22125 x_basic_block_info to VEC(basic_block,gc) *.
22126 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22128 (SET_BASIC_BLOCK): New.
22129 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22130 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22131 * cfgbuild.c (find_basic_blocks): Likewise.
22132 * cfglayout.c (fixup_reorder_chain): Likewise.
22133 * cfgrtl.c (create_basic_block_structure,
22134 rtl_create_basic_block): Likewise.
22135 * ifcvt.c (find_if_case_1): Likewise.
22136 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22139 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22141 * Makefile.in: Removed rotted odf.c entry.
22143 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
22146 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22147 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22148 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22149 output pattern modifier, not %e.
22150 * config/cris/cris.c (cris_op_str): Update comment about pattern
22152 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
22153 before falling through into...
22154 <case 'E'>: Redefined from old 'e' case.
22156 2006-01-11 Jan Hubicka <jh@suse.cz>
22159 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
22161 2006-01-11 Jan Hubicka <jh@suse.cz>
22163 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
22164 * i386.c (x86_decompose_lea): Kill.
22165 (ix86_rtx_costs): Kill.
22167 2006-01-11 Jan Hubicka <jh@suse.cz>
22169 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
22170 * cgraph.h (cgraph_node): Add inline_decl.
22171 (cgraph_insert_node_to_hashtable): Declare.
22172 (save_inline_function_body): Declare.
22173 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
22175 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
22176 (cgraph_function_versioning): Update call of tree_function_versioning.
22177 (save_inline_function_body): New function.
22178 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
22179 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
22180 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
22181 (cgraph_default_inline_p): Likewise.
22182 (cgraph_decide_inlining_incrementally): Likewise.
22183 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
22184 (copy_bb): Kill saving; do updating of clones.
22185 (copy_cfg_body): Kill saving.
22186 (initialize_inlined-parameters): Likewise.
22187 (expand_call_inline): Likewise.
22189 (tree_function_versioning): New parameter "update_clones".
22190 (inlining_p): Kill saving.
22191 * tree-inline.h (tree_function_versioning): Update prototype.
22192 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
22195 2006-01-11 Ian Lance Taylor <ian@airs.com>
22197 * combine.c (struct undo): Remove is_int. Enumify types of undos.
22198 Allow undoing set of machine mode.
22199 (do_SUBST): Use enums instead of is_int.
22200 (do_SUBST_MODE): New function.
22201 (SUBST_MODE): New macro.
22202 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
22203 reg and trying to replace reg_regno_rtx with a new register.
22204 (undo_all): Use new enums, handle undoing a PUT_MODE change.
22205 (simplify_set): Use SUBST_MODE.
22206 (distribute_notes): Remove code that tried to update reg notes
22207 for regno_reg_rtx changes.
22209 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
22211 PR tree-optimization/23109
22212 PR tree-optimization/23948
22213 PR tree-optimization/24123
22215 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
22216 * tree-cfg.c (single_noncomplex_succ): New.
22217 * tree-flow.h (single_noncomplex_succ): Declare it.
22218 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22219 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22220 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
22221 insert_bb, register_division_in, insert_reciprocals,
22222 replace_reciprocal, free_bb): New.
22223 (execute_cse_reciprocals_1): Rewritten.
22224 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
22225 Do not commit any edge insertion. Always compute dominators and
22226 create the allocation pool.
22227 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
22228 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
22229 * targhooks.c (default_min_divistions_for_recip_mul): New.
22230 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
22231 * passes.c (init_optimization_passes): Run recip after tree loop
22233 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
22235 2006-01-11 Danny Berlin <dberlin@dberlin.org>
22236 Kenneth Zadeck <zadeck@naturalbridge.com>
22238 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
22239 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
22240 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
22241 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
22242 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
22243 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
22244 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
22245 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
22246 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
22247 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
22248 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
22249 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
22250 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
22251 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
22252 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
22253 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
22254 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
22255 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
22256 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
22257 DF_SCAN_POST_ALLOC): New macros.
22258 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
22259 df_free_bb_function, df_local_compute_function, df_init_function,
22260 df_dataflow_function, df_confluence_function_0,
22261 df_confluence_function_n, df_transfer_function,
22262 df_finalizer_function, df_free_function, df_dump_problem_function,
22263 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
22264 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
22265 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
22266 df_urec_bb_info, ) New types.
22267 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
22269 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
22270 df_analyze_simple_change_some_blocks,
22271 df_analyze_simple_change_one_block, df_compact_blocks,
22272 df_bb_replace, df_bb_regno_last_use_find,
22273 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
22274 df_insn_regno_def_p, df_find_def, df_find_use,
22275 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
22276 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
22277 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
22278 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
22279 debug_df_chain, df_get_dependent_problem, df_chain_create,
22280 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
22281 df_grow_bb_info, df_chain_dump, df_print_bb_index,
22282 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
22283 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
22284 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
22285 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
22286 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
22287 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
22288 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
22289 df_ref_remove, df_insn_refs_delete, df_refs_delete,
22290 df_reorganize_refs, df_set_state, df_hard_reg_init,
22291 df_read_modify_subreg_p) New public functions.
22292 * df-core.c: The core dataflow solver and glue routines for rtl
22294 (df_init, df_add_problem, df_set_blocks, df_finish,
22295 df_hybrid_search_forward, df_hybrid_search_backward,
22296 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
22297 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
22298 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
22299 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
22300 df_reg_defined, df_find_use, df_reg_used, df_dump,
22301 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22302 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22303 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22304 debug_df_useno, reset_df_after_reload): New functions.
22305 * df-scan.c: The scanning fuctions, once in df.c, completely
22306 rewritten so that they now fully model the functionality of
22307 register usage at the backend.
22308 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22309 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22310 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22311 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22312 df_get_artificial_defs, df_get_artificial_uses,
22313 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22314 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22315 df_refs_delete, df_reorganize_refs, df_set_state,
22316 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22317 df_def_record_1, df_defs_record, df_uses_record,
22318 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22319 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22320 df_record_exit_block_uses, df_hard_reg_init): New functions.
22322 * df-problems.c: Seven concrete dataflow problems that use the
22323 scanning in df-scan.c and are solved by the engine in df-core.c.
22324 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22325 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22326 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22327 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22328 df_ru_free_bb_info, df_ru_alloc,
22329 df_ru_bb_local_compute_process_def,
22330 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22331 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22332 df_ru_transfer_function, df_ru_free, df_ru_dump,
22333 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22334 df_rd_free_bb_info, df_rd_alloc,
22335 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22336 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22337 df_rd_transfer_function, df_rd_free, df_rd_dump,
22338 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22339 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22340 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22341 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22342 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22343 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22344 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22345 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22346 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22347 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22348 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22349 df_urec_mark_reg_use_for_earlyclobber,
22350 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22351 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22352 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22353 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22354 df_chain_create_bb_process_use, df_chain_create_bb,
22355 df_chain_finalize, df_chain_free, df_chains_dump,
22356 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22357 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22358 df_reg_lifetime): New functions.
22359 * df.c: Deleted file.
22360 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22361 consistent with new df api.
22362 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22363 rest_of_handle_sms): Ditto.
22364 * web.c (unionfind_union, union_defs, entry_register, web_main):
22366 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22367 invariant_expr_equal_p, find_defs, check_dependencies,
22368 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22369 free_inv_motion_data, move_loop_invariants): Ditto.
22370 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22371 Update dependencies.
22372 (odf.c): Added defective entry that was deleted later in day.
22373 * sched-deps.c (sched_analyze_1): Ditto.
22375 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22377 * tree-ssa-operands.c (get_expr_operands): Record addressable
22378 variables directly. Do not call add_stmt_operands for CONST_DECLs
22380 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22381 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22383 2006-01-11 Ben Elliston <bje@au.ibm.com>
22385 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22386 function returns true in the positive case.
22388 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22391 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22392 for SI, DI, SF and DF modes. Add alternatives to copy between
22393 general and floating point registers to the 32-bit patterns.
22394 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22395 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22396 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22397 generating 64-bit code.
22398 * config/pa/pa.c (output_move_double): Handle copies between general
22399 and floating registers.
22401 2006-01-10 Stuart Hastings <stuart@apple.com>
22403 * config/i386/i386.md (set_got): Update.
22404 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22405 (builtin_setjmp_receiver): Mach-O support.
22406 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22407 (GOT_SYMBOL_NAME): Define.
22408 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22409 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22410 * config/i386/i386.c (override_options): Revise for Darwin.
22411 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22412 support. (darwin_x86_file_end): New. (output_set_got): Add label
22413 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22414 * config/i386/i386-protos.h (output_set_got): Likewise.
22415 * config/darwin.c (machopic_legitimize_pic_address): Update
22418 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22420 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22421 when MODE isn't BLKmode.
22423 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22425 PR rtl-optimization/25367
22426 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22428 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22431 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22432 for a negative bound.
22434 2006-01-10 Richard Guenther <rguenther@suse.de>
22436 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22437 Never override with anything constraint.
22439 2006-01-10 Jan Beulich <jbeulich@novell.com>
22441 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22442 256 bits when optimize_size.
22444 2006-01-10 Jan Beulich <jbeulich@novell.com>
22446 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22448 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22449 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22452 2006-01-10 Ben Elliston <bje@au.ibm.com>
22454 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22456 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22457 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22458 (USE_FP_FOR_ARG): Reject decimal float modes.
22459 (function_arg_advance): Likewise.
22460 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22461 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22462 point types in AltiVec vectors.
22463 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22464 (rs6000_libcall_value): Likewise.
22466 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22468 * config/xtensa/ieee754-df.S: New file.
22469 * config/xtensa/ieee754-sf.S: New file.
22470 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22471 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22472 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22474 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22476 * config/sh/predicates.md (binary_float_operator,
22477 binary_logical_operator, commutative_float_operator,
22478 equality_comparison_operator, greater_comparison_operator,
22479 less_comparison_operator, logical_operator,
22480 noncommutative_float_operator, shift_operator,
22481 symbol_ref_operand, unary_float_operator): Remove redundant
22484 2006-01-09 Jeff Law <law@redhat.com>
22486 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22487 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22488 now unused arguments. Callers updated.
22489 (eliminate_redundant_computations): Remove now unused arguments,
22491 (local_fold): Remove, no longer used.
22492 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22494 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22495 (simplify_cond): New function.
22496 (forward_propagate_into_cond): Call simplify_cond.
22498 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22500 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22501 (*vec_extractv2di_1_sse): New.
22503 2006-01-09 Ben Elliston <bje@au.ibm.com>
22505 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22507 2006-01-08 Richard Guenther <rguenther@suse.de>
22509 * tree-ssa-structalias.c (get_constraint_for): Remove
22510 anyoffset argument.
22511 (get_constraint_for_component_ref): Likewise.
22512 (do_deref): Likewise.
22513 (get_constraint_for): Likewise.
22514 (do_structure_copy): Likewise.
22515 (handle_ptr_arith): Likewise.
22516 (find_func_aliases): Likewise. Remove unused need_anyoffset
22519 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
22520 Kaz Kojima <kkojima@gcc.gnu.org>
22522 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
22523 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
22524 (EXTRA_CONSTRAINT_C16): Remove.
22525 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
22526 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
22527 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
22528 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
22529 constants of SHmedia. Handle nested constant expressions of
22531 (andcosts): Fix the costs for SHmedia constants.
22532 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
22533 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
22534 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
22535 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
22536 (movv4hi_i, movv2si_i): Likewise.
22537 (movsi_const): Adjust the second operand of ior so to match with
22538 the Csu constraint.
22539 (movdi_const, movdi_const_32bit): Likewise.
22540 (movdi_const_16bit+1): Don't sign-extend LOW.
22541 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
22543 (*double_shori): Fix the split condition. Use GEN_INT instead
22544 of get_int_mode calls. Mask lower 16-bit of the argument of
22546 (sym2GOTPLT): Remove.
22547 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
22549 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
22550 instead of EXTRA_CONSTRAINT_C16.
22552 2006-01-07 Ian Lance Taylor <ian@airs.com>
22553 David Edelsohn <edelsohn@gnu.org>
22555 PR rtl-optimization/25662
22556 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
22557 for constant operands instead of simplify_gen_binary.
22558 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
22559 after trying simplify_binary_operation
22561 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
22563 * tree.c (iterative_hash_expr): Hash decls based on UID.
22565 2006-01-06 Eric Christopher <echristo@apple.com>
22567 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
22568 (TARGET_UNWIND_EMIT): Fix spelling.
22569 * target.h (gcc_target): Add except_table_label.
22570 * except.c (output_function_exception_table): Use.
22571 * varasm.c (default_emit_except_table_label): New.
22572 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
22574 (asm_out): Add here.
22575 * output.h (default_emit_except_table_label): Prototype.
22576 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
22577 * config/darwin.c (darwin_emit_except_table_label): Define.
22578 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
22580 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
22582 PR tree-optimization/18527
22583 * tree-ssa-loop-niter.c (number_of_iterations_cond,
22584 number_of_iterations_special, number_of_iterations_exit):
22585 Move base and step of an iv to a single structure. Add
22586 no_overflow flag, and use it in # of iterations analysis.
22587 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
22588 folded_casts argument.
22589 (simple_iv): Pass base and step in a structure. Set no_overflow
22591 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
22592 Evaluate expensiveness of computing # of iterations instead of
22593 the final expression.
22594 * tree-scalar-evolution.h (affine_iv): New structure.
22595 (simple_iv): Declaration changed.
22596 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
22597 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
22598 find_givs_in_stmt): Changed due to simple_iv change.
22600 2006-01-06 Jeff Law <law@redhat.com>
22603 * tree-cfg.c (bsi_replace): Rename final argument from
22604 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
22605 change (stmt -> orig_stmt).
22606 * tree-eh.c (verify_eh_throw_stmt_node): New function.
22607 (bsi_remove): Add new argument. Remove EH information
22609 (verify_eh_throw_table_statements): New function.
22610 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
22612 * tree-optimize.c (execute_free_cfg_annotations): Verify
22613 the EH throw statement table after removing annotations.
22614 * except.h (verify_eh_throw_table_statements): Prototype.
22615 * tree-flow.h (bsi_remove): Update prototype.
22616 * tree-vrp.c (remove_range_assertions): Add new argument to
22618 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
22619 * tree-complex.c (expand_complex_div_wide): Likewise.
22620 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
22621 * tree-tailcall.c (eliminate_tailcall): Likewise.
22622 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
22623 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
22624 * tree-nrv.c (tree_nrv): Likewise.
22625 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
22626 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
22627 (combine_blocks): Likewise.
22628 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
22629 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
22630 (cleanup_control_flow): Likewise.
22631 (remove_forwarder_block): Likewise.
22632 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
22633 * tree-sra.c (sra_replace): Likewise.
22634 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
22635 (forward_propagate_single_use_vars): Likewise.
22636 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
22637 * tree-inline.c (expand_call_inline): Likewise.
22638 * tree-vect-transform.c (vect_transform_loop): Likewise.
22639 * tree-outof-ssa.c (rewrite_trees): Likewise.
22640 * tree-cfg.c (make_goto_expr_edges): Likewise.
22641 (cleanup_dead_labels): Likewise.
22642 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
22643 (bsi_move_before, bsi_move_after): Likewise.
22644 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
22645 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
22647 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
22650 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
22652 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
22653 on non gimple variables. Also add checks at the top for decls and
22655 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
22657 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
22658 and IMAGPART_EXPR for creating MUST_DEFs.
22659 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
22660 and NAME_MEMORY_TAG separately from the DECLs.
22662 2006-01-06 Richard Guenther <rguenther@suse.de>
22664 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
22665 annotation, if necessary.
22666 * tree-ssa-pre.c (create_expression_by_pieces): Remove
22667 redundant calls to update_stmt.
22668 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
22671 2006-01-05 Richard Henderson <rth@redhat.com>
22673 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
22675 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22677 * c-typeck.c: Update copyright date.
22679 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22681 * c-typeck.c (build_c_cast): Always warn when casting
22682 from a pointer to an integer of different size, even if
22683 the node was constant.
22685 2006-01-05 Richard Guenther <rguenther@suse.de>
22687 PR tree-optimization/22555
22688 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
22689 if one structure field is an array.
22690 * tree-ssa-operands.c (get_expr_operands): Continue scanning
22691 operands even if we found a subvar, but ignore VOPs in this
22693 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
22695 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
22697 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
22699 PR middle-end/24998
22700 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
22702 2006-01-05 Richard Guenther <rguenther@suse.de>
22703 Diego Novillo <dnovillo@redhat.com>
22705 * tree-pass.h (TODO_remove_unused_locals): Define.
22706 * gimple-low.c (expand_var_p, remove_useless_vars,
22707 pass_remove_useless_vars): Remove. Update all users.
22708 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
22709 (remove_unused_locals): New function.
22710 * tree-flow.h (remove_unused_locals): Declare.
22711 * passes.c (execute_todo): Call remove_unused_locals if
22712 TODO_remove_unused_locals is set.
22713 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
22714 * tree-ssa-dce.c (pass_dce): Likewise.
22715 * tree-outof-ssa.c (pass_del_ssa): Likewise.
22717 2006-01-05 Richard Guenther <rguenther@suse.de>
22719 * tree-flow.h (struct fieldoff): Decompose field to
22720 type, size and decl.
22721 * tree-ssa-alias.c (create_sft): Take type as parameter.
22722 (create_overlap_variables_for): Store type, size and decl
22723 in the fieldoff structure.
22724 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
22725 of struct fieldoff.
22726 (push_fields_onto_fieldstack): Likewise.
22727 (create_variable_info_for): Likewise. Use offset for the
22728 SFT name if the decl is not available.
22730 2006-01-04 Paul Brook <paul@codesourcery.com>
22732 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
22734 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
22736 * lambda-code.c (can_put_in_inner_loop): Relax
22738 (can_put_after_inner_loop): New function.
22739 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
22740 (perfect_nestify): Change to make copies and modify uses.
22742 2006-01-04 Richard Henderson <rth@redhat.com>
22744 Merge from gomp branch:
22745 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
22746 via integer constant.
22747 (pragma_lex): Remove.
22748 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
22749 rather than parsing it.
22750 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
22751 handle_pragma_extern_prefix): Add %< %> quotes.
22752 (registered_pragmas): New.
22753 (c_register_pragma_1): New.
22754 (c_register_pragma): Use it.
22755 (c_register_pragma_with_expansion): Likewise.
22756 (c_invoke_pragma_handler): New.
22757 (init_pragma): Use cpp_register_deferred_pragma directly for
22759 * c-pragma.h (enum pragma_kind): New.
22760 (pragma_handler): New.
22761 (c_invoke_pragma_handler): Declare.
22762 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
22764 * c-common.h (c_common_pch_pragma): Update decl.
22765 * Makefile.in (c-parser.o): Update dependencies.
22766 (GTFILES): Add c-pragma.h.
22767 * c-parser.c (struct c_token): Add pragma_kind.
22768 (struct c_parser): Add in_pragma.
22769 (c_lex_one_token): Always initialize keyword and pragma_kind.
22770 Extract data for CPP_PRAGMA.
22771 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
22772 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
22773 Don't allow CPP_PRAGMA_EOL if in_pragma.
22774 (c_parser_consume_pragma): New.
22775 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
22776 (c_parser_skip_to_end_of_parameter): Likewise.
22777 (c_parser_skip_to_end_of_block_or_statement): Likewise.
22778 (c_parser_skip_to_pragma_eol): New.
22779 (c_parser_external_declaration): Handle CPP_PRAGMA.
22780 (c_parser_compound_statement_nostart): Likewise.
22781 (c_parser_statement_after_labels): Likewise.
22782 (c_parser_pragma): New.
22783 (pragma_lex): Likewise.
22784 (c_parser_pragma_pch_preprocess): New.
22785 (c_parser_new): Merge into ...
22786 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
22788 2006-01-04 Jeff Law <law@redhat.com>
22791 * tree-cfg.c (bsi_replace): Remove the original statement
22792 from the EH throw statement table.
22794 2006-01-04 Jakub Jelinek <jakub@redhat.com>
22796 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
22797 make the prototype extern "C" and add throw ().
22800 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
22801 and pos non-negative and pos + len <= 32.
22802 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
22803 drop pos + len < HOST_BITS_PER_WIDE_INT test.
22804 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
22807 * c-common.c (handle_vector_size_attribute): Reject zero vector size
22808 as well as sizes not multiple of component size.
22811 * function.c (instantiate_expr): New function.
22812 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
22813 walk its DECL_VALUE_EXPR with instantiate_expr.
22815 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
22816 DW_OP_deref{,_size} if address isn't going to be added.
22818 2006-01-04 Ben Elliston <bje@au.ibm.com>
22820 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
22821 * config/fp-bit.c: Likewise.
22823 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
22825 * dominance.c: Add comment about why we use DFS numbering
22828 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22829 Richard Henderson <rth@redhat.com>
22831 Merge from gomp-branch:
22832 * varasm.c (assemble_variable): Handle thread-local COMMON data.
22833 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
22835 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
22837 PR rtl-optimization/25578
22838 * combine.c (combine_simplify_rtx, force_to_mode): Don't
22839 pass a parameter to simplify_shift_const if changing ASHIFTRT
22842 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
22844 * builtins.c (get_builtin_sync_mem): New function.
22845 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
22846 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
22847 Call get_builtin_sync_mem to generate mem rtx.
22849 2006-01-03 Richard Guenther <rguenther@suse.de>
22852 * stmt.c (add_case_node): Make sure to clear overflow flags
22855 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22857 Merge from gomp-branch.
22858 * config/sparc/sync.md: New file.
22859 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
22860 UNSPECV_LDSTUB): New constants.
22861 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
22862 * config/sparc/predicates.md (memory_reg_operand): New predicate.
22863 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
22866 2006-01-03 Roger Sayle <roger@eyesopen.com>
22868 * combine.c (reg_subword_p): New predicate to test whether the
22869 destination of a set refers to a subword/piece of a register.
22870 (try_combine): Generalize the code to merge the setting of a
22871 pseudo to a constant followed by a set of a subword of that
22872 register to a constant.
22874 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
22876 * basic-block.h (control_flow_graph): Change the type of
22877 x_label_to_block_map to VEC(basic_block,gc) *.
22878 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
22879 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
22881 * tree-ssa-propagate.c (cfg_blocks): Change the type to
22882 VEC(basic_block,heap) *.
22883 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
22884 ssa_prop_fini): Adjust the uses of cfg_blocks.
22886 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
22888 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
22890 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
22891 hashing trees instead of a pointer hash.
22892 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
22893 compare for MEM_EXPR.
22895 PR rtl-optimization/25130
22896 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
22897 when comparing MEMs for GCSE
22899 2006-01-03 Ben Elliston <bje@au.ibm.com>
22901 * targhooks.h (default_decimal_float_supported_p): Declare.
22902 * targhooks.c (default_decimal_float_supported_p): Define.
22903 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
22904 `default_decimal_float_supported_p'.
22905 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
22907 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
22909 * combine.c (apply_distributive_law <SUBREG>): Check
22910 TRULY_NOOP_TRUNCATION.
22912 2006-01-02 Geoffrey Keating <geoffk@apple.com>
22914 * dwarf2out.c (have_switched_text_section): Delete.
22915 (have_multiple_function_sections): New.
22916 (have_location_lists): Make 'bool'.
22917 (add_AT_loc_list): Use 'true' not '1'.
22918 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
22919 (output_loc_list): Use have_multiple_function_sections.
22920 (output_ranges): Likewise.
22921 (dwarf2out_begin_function): Set have_multiple_function_sections if
22923 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
22924 Check function_section rather than DECL_SECTION_NAME.
22925 (dwarf2out_finish): Use have_multiple_function_sections.
22926 Don't clear have_location_lists.
22928 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
22929 Jan Hubicka <jh@suse.cz>
22931 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
22932 case of conditional jump jumping to the next instruction.
22933 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
22934 cases of conditional jump jumping to the next instruction.
22936 2006-01-02 Jan Hubicka <jh@suse.cz>
22938 * i386.c (*_cost): Add COSTS_N_INSNS.
22939 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
22941 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
22944 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
22946 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
22948 * config/arm/arm.c (all_fpus): Fix comment typo.
22949 * config/darwin.c: Likewise.
22950 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
22951 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
22952 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
22954 2006-01-01 David Edelsohn <edelsohn@gnu.org>
22956 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
22957 (rs6000_split_compare_and_swapqhi): New.
22958 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
22959 (sync_compare_and_swapqhi_internal): New.
22960 * config/rs6000/rs6000-protos.h: Declare.