1 2006-12-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4 * c.opt (Wempty-body): New.
5 * doc/invoke.texi (Wempty-body): Document it.
6 (Wextra): Enabled by -Wextra.
7 * c-opts.c (c_common_post_options): Enabled by -Wextra.
8 * c-common.c (empty_body_warning): Replace Wextra with Wempty-body.
9 * c-parser.c (c_parser_c99_block_statement): Likewise.
11 2006-12-15 Jakub Jelinek <jakub@redhat.com>
14 * config/rs6000/rs6000.md (div<mode>3): Use correct mode in
17 2006-12-15 Andrew Pinski <pinski@gmail.com>
20 * tree-inline.c (setup_one_parameter): Gimplify the statement if
21 the variable is not a gimple register variable.
23 2006-12-15 Uros Bizjak <ubizjak@gmail.com>
25 * invoke.texi (mstringop-strategy): Add missing "byte_loop" value.
27 2006-12-14 Jan Hubicka <jh@suse.cz>
29 * tree-flow.h (struct stmt_ann_d): Move bitfield references_memory
32 2006-12-14 Richard Guenther <rguenther@suse.de>
34 PR tree-optimization/30197
35 * builtins.c (fold_builtin_cexp): New function to fold cexp
36 to cexpi and exp parts.
37 * tree-ssa-pre.c (try_combine_conversion): Also handle
38 REALPART_EXPR and IMAGPART_EXPR.
40 2006-12-14 Richard Guenther <rguenther@suse.de>
43 * fold-const.c (fold_binary): Fold __complex__ ( x, 0 )
44 + __complex__ ( 0, y ) to __complex__ ( x, y ).
45 Fold __complex__ (x, y) * +-I to __complex__ (-+y, +-x).
47 2006-12-14 Richard Guenther <rguenther@suse.de>
49 PR tree-optimization/30198
50 * fold-const.c (fold_unary): Fold REALPART_EXPR of cexpi to cos.
51 Fold IMAGPART_EXPR of cexpi to sin.
53 2006-12-14 Dorit Nuzman <dorit@il.ibm.com>
54 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
56 * spu.c (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Defined.
57 (spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
59 (spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
60 (spu_builtin_mask_for_load): New.
61 * spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
62 * spu.md (UNSPEC_SPU_REALIGN_LOAD, UNSPEC_SPU_MASK_FOR_LOAD):New.
63 (vec_realign_load_<mode>, spu_lvsr): New.
65 2006-12-13 Ian Lance Taylor <iant@google.com>
69 * c-typeck.c (parser_build_binary_op): Move parentheses warnings
70 to warn_about_parentheses in c-common.c.
71 * c-common.c (warn_about_parentheses): New function.
72 * c-common.h (warn_about_parentheses): Declare.
73 * doc/invoke.texi (Warning Options): Update -Wparentheses
76 2006-12-13 Zdenek Dvorak <dvorakz@suse.cz>
78 * tree-ssa-loop-ivopts.c: Include tree-affine.h.
80 (constant_multiple_of): Fix order of operators for division.
81 (aff_combination_const, aff_combination_elt, aff_combination_scale,
82 aff_combination_add_elt, aff_combination_add, aff_combination_convert,
83 tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
84 aff_combination_to_tree): Moved to tree-affine.c and made to work with
85 double_int coefficients.
86 (get_computation_aff, get_computation_at): Work with double_int
88 (get_computation_cost_at): Do not use divide.
89 (rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
90 Assert that expressing the computation did not fail.
91 * tree-ssa-address.c: Include tree-affine.h.
92 (add_to_parts, most_expensive_mult_to_index, addr_to_parts,
93 create_mem_ref): Work with double_int coefficients.
94 * tree-affine.c: New file.
95 * tree-affine.h: New file.
96 * tree-flow.h (struct affine_tree_combination): Removed.
97 * Makefile.in (tree-affine.o): Add.
98 (tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h
101 2006-12-13 Peter Bergner <bergner@vnet.ibm.com>
105 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
106 the offset == 0 "then" clauses.
107 * config/rs6000/predicates.md (gpc_reg_operand): Check for
110 2006-12-13 Uros Bizjak <ubizjak@gmail.com>
112 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
113 (FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
114 (REG_ALLOC_ORDER): Remove one element due to removal of dir register.
115 (FRAME_POINTER_REGNUM): Update register number to 20.
116 (REG_CLASS_CONTENTS): Update contents due to removed dir register.
117 (HI_REGISTER_NAMES): Remove "dirflag".
119 * config/i386/i386.c (regclass_map): Remove dirflag entry.
120 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
122 (ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
124 * config/i386/i386.md (R10_REG, R11_REG): Renumber.
125 (sse_prologue_save, *sse_prologue_save_insn): Renumber
126 hardcoded SSE register numbers.
128 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
129 hardcoded MMX register numbers.
132 2006-12-13 Mark Shinwell <shinwell@codesourcery.com>
134 * config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
135 FLDMX. Rename function to...
136 (vfp_output_fldmd): ...this.
137 (vfp_output_fstmx): Output FSTMD instead of FSTMX. Rename
139 (vfp_output_fstmd): ...this.
140 (vfp_emit_fstmx): Don't leave space in the frame layout for the
141 FSTMX format word. Rename function to...
142 (vfp_emit_fstmd): ...this.
143 (arm_get_vfp_saved_size): Don't add in space for the FSTMX format
145 (arm_output_epilogue): Adjust comment to reflect use of FSTMD.
146 (arm_unwind_emit_sequence): Don't compensate for the FSTMX format
147 word. Also emit "vsave" assembler directives in such cases rather
149 * config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
150 gnu_Unwind_Save_VFP): Adjust comments.
151 (gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
152 for saving and restoring using FSTMD and FLDMD rather than
154 (gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
155 New functions for saving and restoring the VFPv3 registers 16 .. 31.
156 * config/arm/pr-support.c (gnu_unwind_execute): Add conditional
157 compilation case to correctly handle unwind opcode 0xc8 when using
159 * config/arm/unwind-arm.c (struct vfpv3_regs): New.
160 (DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
161 (__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
162 __gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
164 (restore_non_core_regs): Restore registers using FLDMD rather than
165 FLDMX if required. Also handle restoration of VFPv3 registers.
166 (_Unwind_VRS_Pop): Handle saving and restoring of registers using
167 FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
168 including cases where the caller specifies a range of registers
169 that overlaps the d15/d16 boundary.
171 2006-12-13 Diego Novillo <dnovillo@redhat.com>
174 * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
175 accomodate 511 operands.
177 2006-12-13 Richard Guenther <rguenther@suse.de>
179 * builtins.c (expand_builtin_cexpi): Fix typo.
181 2006-12-13 Jan Hubicka <jh@suse.cz>
183 * Makefile.in: Add dependencies.
184 * tree-pretty-print.c: Include value-prof.h
185 (dump_generic_bb_buff): Dump histograms
186 * value-prof.c: Include pointer-set.h
187 (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
188 set_histogram_value, gimple_histogram_value,
189 gimple_add_histogram_value, gimple_remove_histogram_value,
190 gimple_histogram_value_of_type, dump_histogram_value,
191 dump_histograms_for_stmt, gimple_remove_stmt_histograms,
192 gimple_duplicate_stmt_histograms, visit_hist,
193 verify_histograms): New functions.
194 (tree_value_profile_transformations): Update for new histogram API.
195 (tree_divmod_fixed_value): Update for new histogram API.
196 (tree_divmod_fixed_value_transform): Update for new histogram API.
197 (tree_mod_pow2): Update for new histogram API.
198 (tree_mod_pow2_value_transform): Update for new histogram API.
199 (tree_mod_subtract): Update for new histogram API.
200 (tree_mod_subtract_transform): Update for new histogram API.
201 (tree_stringops_transform): Update for new histogram API.
202 (tree_divmod_values_to_profile): Update for new histogram API.
203 (tree_stringops_values_to_profile): Update for new histogram API.
204 (tree_find_values_to_profile): Update for new histogram API.
205 * value-prof.h (gimple_histogram_value): Declare.
206 (gimple_histogram_value_of_type): Declare.
207 (gimple_add_histogram_value): Declare.
208 (gimple_remove_histogram_value): Declare.
209 (dump_histograms_for_stmt): Declare.
210 (gimple_remove_histogram_value): Declare.
211 (gimple_remove_stmt_histograms): Declare.
212 (gimple_duplicate_stmt_histograms): Declare.
213 (verify_histograms): Declare.
215 (struct funrction): Add value_histograms hash.
216 (VALUE_HISTOGRAMS): New macro.
217 * profile.c (compute_value_histograms): update for new API.
218 * tree-inline.c: Include value-prof.h
219 (copy_bb): Update histograms.
220 * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
221 reorder to get smaller memory layout.
222 * tree-cfg.c: Include value-prof.h
223 (bsi_remove): Update histograms.
224 (bsi_replace): Update histograms.
225 (verify_stmts): Call histogram verifier.
226 (tree_duplicate_bb): Update histograms.
227 (move_block_to_fn): Update histograms.
229 2006-12-13 Richard Guenther <rguenther@suse.de>
231 * ipa-inline.c (cgraph_flatten_node): Replace leafify with
233 (cgraph_decide_inlining): Likewise.
235 2006-12-13 Richard Guenther <rguenther@suse.de>
237 PR tree-optimization/17687
238 * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
239 New builtins for imaginary argument cexp.
240 * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
241 BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
242 New required builtin types.
243 * builtins.c (expand_builtin_cexpi): Declare.
244 (mathfn_built_in): Handle BUILT_IN_CEXPI.
245 (expand_builtin_cexpi): New static helper.
246 (expand_builtin): Call it.
247 (do_mpfr_sincos): Adjust for CEXPI evaluation.
248 (fold_builtin_sincos): New function to fold sincos to cepxi.
250 2006-12-13 Richard Guenther <rguenther@suse.de>
252 * ipa-reference.c (scan_for_static_refs): Also scan
253 tcc_comparison class trees.
255 2006-12-12 David Daney <ddaney@avtrex.com>
257 * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
260 2006-12-12 Andrew Pinski <pinskia@gmail.com>
262 * tree-vect-transform.c (vect_permute_load_chain):
263 Set DECL_GIMPLE_REG_P to true for the vect_perm_*
266 2006-12-13 Sa Liu <saliu@de.ibm.com>
267 Ben Elliston <bje@au.ibm.com>
269 * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
270 (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
271 * config/spu/spu-protos.h (spu_c_common_override_options):
273 * config/spu/spu-c.c (spu_c_common_override_options): New.
274 * config/spu/spu.c (spu_override_options): Whitespace fix.
276 2006-12-12 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
278 * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
280 2006-12-12 Geoffrey Keating <geoffk@apple.com>
282 * mips-tdump.c: Replace CROSS_COMPILE with
283 CROSS_DIRECTORY_STRUCTURE.
284 * mips-tfile.c: Likewise.
286 * configure.ac: Likewise.
287 * cppdefault.c: Likewise.
288 * Makefile.in: Likewise.
289 * config/alpha/osf.h: Likewise.
290 * config/i386/cygwin.h: Likewise.
291 * config/i386/beos-elf.h: Likewise.
292 * config/i386/nto.h: Likewise.
293 * config/fr30/fr30.h: Likewise.
294 * config/svr4.h: Likewise.
295 * config/rs6000/aix.h: Likewise.
296 * config/rs6000/sysv4.h: Likewise.
297 * config/pa/pa64-hpux.h: Likewise.
298 * config/pa/pa-hpux10.h: Likewise.
299 * config/pa/pa-hpux11.h: Likewise.
300 * collect2.c: Likewise.
301 * configure: Regenerate.
303 * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
304 actually takes an unsigned HOST_WIDE_INT for its second parameter.
306 2006-12-13 Ulrich Weigand <uweigand@de.ibm.com>
308 * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
309 (spu_encode_section_info): New.
310 * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
311 (SYMBOL_FLAG_ALIGN1): New.
313 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
316 * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
317 bitmap for EXECUTE_IF_SET_IN_BITMAP.
319 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
322 * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
323 (DECL_GIMPLE_REG_P): This.
324 * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
326 * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
327 * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
328 and check for VECTOR_TYPE.
329 * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
331 * tree-flow-inline.h (var_can_have_subvars): Use the renamed
333 * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
334 and check for VECTOR_TYPE.
335 (gimplify_bind_expr): Likewise.
336 (gimplify_function_tree): Likewise.
337 * expmed.c: Include target.h.
338 (extract_bit_field): For vector mode, try find a better mode first.
339 If that fails use gen_lowpart (for vectors only).
340 * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
341 and check for VECTOR_TYPE.
342 * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
343 (insert_into_preds_of_block): Likewise.
344 (insert_fake_stores): Create gimple register store_tmps for
346 * tree-sra.c (sra_elt): New field, is_vector_lhs.
347 (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
348 are the left hand side, set the element's is_vector_lhs to true.
349 (instantiate_element): For vector types which were on the left
350 hand size, set DECL_GIMPLE_REG_P to false.
351 * tree-nested.c (create_tmp_var_for): Use the renamed DECL_GIMPLE_REG_P. * tree-inline.c (declare_return_variable): Use the renamed
353 and check for VECTOR_TYPE.
354 (copy_decl_to_var): Use the renamed DECL_GIMPLE_REG_P.
355 (copy_result_decl_to_var): Likewise.
356 * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
357 create a gimple register variable.
358 (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
359 vect_inter_* temp variables.
360 * Makefile.in (expmed.o): Update dependencies.
362 2006-12-12 Peter Bergner <bergner@vnet.ibm.com>
364 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
365 the offset == 0 "then" clauses.
366 * config/rs6000/predicates.md (gpc_reg_operand): Check for
369 2006-12-12 Marcin Dalecki <martin@dalecki.de>
371 * doc/passes.texi: remove docs about "redundant PHI removal".
372 * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
373 remove redundant pass_partition_blocks declaration.
375 2006-12-12 Andrew Macleod <amacleod@redhat.com>
377 PR tree-optimization/30159
378 * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
379 functions in case a default_def coalesce is required.
381 2006-12-12 Jakub Jelinek <jakub@redhat.com>
384 * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
386 * config/ia64/linux.h (CPP_SPEC): Define.
387 * config/s390/linux.h (CPP_SPEC): Define.
389 2006-12-12 Jim Wilson <wilson@specifix.com>
390 Jakub Jelinek <jakub@redhat.com>
392 PR rtl-optimization/27761
393 * combine.c (try_combine): Don't create a useless garbage SET
394 if PATTERN (i2) is a PARALLEL. If added_sets_1, save
395 PATTERN (i1) resp. SET from i1src to i1dest in i1pat
396 and use it to prevent accidental modification of i1src.
398 2006-12-12 Ira Rosen <irar@il.ibm.com>
400 * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
401 for stores with gaps.
402 * tree-vect-transform.c (vect_permute_store_chain): Create
403 interleave_high or interleave_low according to the endianess.
405 2006-12-12 Richard Guenther <rguenther@suse.de>
408 * fold-const.c (fold_read_from_constant_string): Only fold read
409 from constant string if the result type is integer.
411 2006-12-12 Olivier Hainque <hainque@adacore.com>
413 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
415 2006-12-12 Olivier Hainque <hainque@adacore.com>
417 * config/vxlib.c: Extract tls related routines into ...
418 * config/vxlib-tls.c: New file.
419 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
421 2006-12-12 Sa Liu <saliu@de.ibm.com>
422 Ben Elliston <bje@au.ibm.com>
424 * config/spu/spu.opt (mfixed-range): New option.
425 * config/spu/spu.h (spu_fixed_range_string): Declare.
426 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
427 (fix_range): New function.
428 * doc/invoke.texi (SPU Options): Document -mfixed-range.
429 * testsuite/gcc.target/spu/fixed-range.c: New.
430 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
432 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
436 * cgraphunit.c (cgraph_optimize): Remove call to
437 process_pending_assemble_externals.
439 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
441 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
443 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
444 (ia64_hpux_add_extern_decl): Removed.
445 (ia64_hpux_file_end): Likewise.
446 (extern_func_list): Likewise.
447 (extern_func_head): Likewise.
449 * output.h (assemble_external): Update comments.
450 (default_elf_asm_output_external): New.
451 (maybe_assemble_visibility): New.
453 * toplev.c (compile_file): Update comment.
455 * varasm.c (assemble_external): Always put it on
456 pending_assemble_externals.
457 (maybe_assemble_visibility): Make it extern and return int.
458 (default_elf_asm_output_external): New.
460 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
462 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
463 can't handle the pointer arithmetic.
465 2006-12-11 Diego Novillo <dnovillo@redhat.com>
467 * doc/tree-ssa.texi: Update documentation for virtual operands
468 and the use of push_stmt_changes/pop_stmt_changes.
469 * doc/invoke.texi: Remove documentation for params
470 global-var-threshold.
471 Update documentation on max-aliased-vops.
473 * tree-into-ssa.c: Cleanup comments, variables and
474 spacing in various functions.
475 (regs_to_rename): Declare.
476 (mem_syms_to_rename): Declare.
477 (dump_update_ssa): Declare.
478 (debug_update_ssa): Declare.
479 (dump_names_replaced_by): Declare.
480 (debug_names_replaced_by): Declare.
481 (dump_def_blocks): Declare.
482 (debug_def_blocks): Declare.
483 (dump_defs_stack): Declare.
484 (debug_defs_stack): Declare.
485 (dump_currdefs): Declare.
486 (debug_currdefs): Declare.
487 (mark_def_sites): Do not handle virtual operands.
488 (compute_idf): Rename from find_idf. Update users.
489 (register_new_def): Make local. Convert second argument
491 Use BLOCK_DEFS_STACK directly.
492 If pushing a non-register, also push the underlying
494 (rewrite_stmt): Do not handle virtual operands.
495 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
496 dump_currdefs and dump_tree_ssa_stats.
497 (dump_tree_ssa_stats): Also dump REPL_TBL.
498 (replace_use): Remove. Update all users to call SET_USE
500 (rewrite_blocks): Move code to free memory to
502 (mark_def_site_blocks): Move initialization code to
504 (init_ssa_renamer): New.
505 (fini_ssa_renamer): New.
506 (rewrite_into_ssa): Call them.
507 (prepare_block_for_update): Process SSA_OP_ALL_USES first
508 and SSA_OP_ALL_DEFS later. Do not process virtual
510 (dump_update_ssa): Call dump_decl_set.
511 (init_update_ssa): Initialize regs_to_rename and
513 Call init_ssa_renamer.
514 (delete_update_ssa): Call fini_ssa_renamer.
515 Free blocks_with_phis_to_rewrite.
516 (mark_sym_for_renaming): If the variable has
517 sub-variables, also mark them.
518 If the variable belongs to a partition, also mark it.
519 (mark_set_for_renaming): Call mark_sym_for_renaming on
520 every symbol in the set.
521 (switch_virtuals_to_full_rewrite): Call
522 mark_set_for_renaming.
523 (update_ssa): Separate syms_to_rename into regs_to_rename
524 and mem_syms_to_rename.
526 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
527 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
528 (debug_generic_stmt): Likewise.
529 (debug_tree_chain): Likewise.
531 (dump_generic_node): Check for TDF_MEMSYMS.
532 Handle MEMORY_PARTITION_TAG.
533 If the statement references memory and TDF_MEMSYMS is
534 given, call dump_symbols.
535 Indicate default names with (D).
536 (dump_vops): Update for new virtual operator format.
538 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
539 tree_contains_struct.
540 (tree_code_size): Handle MEMORY_PARTITION_TAG.
541 (tree_node_structure): Likewise.
542 (needs_to_live_in_memory): Handle SSA names.
543 * tree.h (MTAG_P): Likewise.
544 (struct tree_memory_partition_tag): Declare.
545 (MPT_SYMBOLS): Define.
546 (union tree_node): Add field 'mpt'.
547 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
548 * tree.def (MEMORY_PARTITION_TAG): Define.
550 * tree-pass.h (TDF_MEMSYMS): Define.
552 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
554 * tree-ssa-alias.c: Include pointer-set.h
555 (struct alias_map_d): Remove fields total_alias_vops,
556 grouped_p and may_aliases. Update all users.
557 (struct mp_info_def): Declare.
558 (mp_info_t): New type.
559 (get_smt_for): Rename from get_tmt_for. Update all
561 (add_may_alias): Add argument ALREADY_ADDED. If given,
562 use it to avoid adding duplicate entries to alias sets.
563 (replace_may_alias): Remove. Update all users.
564 (total_alias_vops_cmp): Remove. Update all users.
565 (group_aliases_into): Remove. Update all users.
566 (tree_pointer_compare): Remove. Update all users.
567 (compact_name_tags): Remove. Update all users.
568 (group_aliases): Remove. Update all users.
569 (mark_non_addressable): Move from tree-flow-inline.h.
570 Remove the symbol from the partition holding it, if
573 (debug_mp_info): New.
575 (create_partition_for): New.
576 (rewrite_alias_set_for): New.
577 (compute_memory_partitions): New.
578 (compute_may_aliases): Call it.
579 (init_alias_info): If computing aliases for the first
580 time, mark every memory symbol for renaming.
581 (have_common_aliases_p): New.
582 (compute_flow_insensitive_aliasing): Call it.
583 (setup_pointers_and_addressables): Do not cache
585 For register promoted symbols, mark their former
586 partition for renaming.
587 (maybe_create_global_var): Only create .GLOBAL_VAR if
588 there are no call-clobbered variables and a mix of pure
589 and non-pure functions were found.
590 (may_alias_p): Tidy comments.
591 (create_tag_raw): Remove unused variable new_type.
592 (dump_alias_info): call dump_memory_partitions.
593 (dump_points_to_info_for): Call dump_decl_set.
594 (may_be_aliased): Tidy comments and formatting.
596 * timevar.def (TV_MEMORY_PARTITIONING): Define.
597 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
598 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
600 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
601 * tree-vect-transform.c (vect_transform_loop): Call
602 mark_set_for_renaming with vect_memsyms_to_rename.
603 * tree-flow-inline.h (zero_imm_uses_p): New.
604 (memory_partition): New.
605 (set_memory_partition): New.
606 (factoring_name_p): New.
607 (symbol_mem_tag): New. Update every function that used
608 to access the annotation directly.
609 (set_symbol_mem_tag): Likewise.
611 * tree-ssa-copy.c (may_propagate_copy): Allow copies
612 between a partition and a symbol as long as the symbol
613 belongs to the partition.
614 (merge_alias_info): Ignore merge requests when memory
615 partitions are involved.
617 * tree-ssa.c (verify_ssa_name): Check that default
618 definitions have empty defining statements.
619 (verify_use): Remove argument IS_VIRTUAL.
620 Don't call verify_ssa_name.
621 (verify_phi_args): Call verify_ssa_name.
622 (verify_flow_insensitive_alias_info): Handle MPTs.
623 (verify_flow_sensitive_alias_info): Likewise.
624 (verify_name_tags): Likewise.
625 (verify_call_clobbering): Likewise.
626 (verify_ssa): Check for VOPs only after aliasing
627 information is available.
628 Check virtuals and real operands separately.
629 Call verify_ssa_name on every operand.
630 (stmt_references_memory_p): Move to tree-ssa-operands.c.
631 (walk_use_def_chains_1): Guard against NULL PHI
634 * tree-ssa-operands.c (stmt_references_memory_p): Move from
637 (dump_memory_partitions): New.
638 (debug_memory_partitions): New.
640 * tree-flow.h (struct var_ann_d): Add field mpt.
641 (struct stmt_ann_d): Add bitfield references_memory.
642 * Makefile.in (tree-ssa-structalias.o): Include
644 (tree-ssa-alias.o): Likewise.
645 * tree-ssa-structalias.c: (update_alias_info): Use
646 STORED_SYMS to determine which variables are being
647 written to by the store operation.
648 * tree-ssa-structalias.h (struct alias_info)
649 <total_alias_vops>: Remove. Update all users.
650 <written_vars>: Change to a pointer set. Update all
652 <dereferenced_ptrs_store>: Likewise.
653 <dereferenced_ptrs_load>: Likewise.
654 (NUM_REFERENCES): Remove. Update all users.
655 (NUM_REFERENCES_CLEAR): Remove. Update all users.
656 (NUM_REFERENCES_INC): Remove. Update all users.
657 (NUM_REFERENCES_SET): Remove. Update all users.
659 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
661 (PARAM_MAX_ALIASED_VOPS): Set to 10.
662 * tree-ssanames.c (make_ssa_name): Initialize
663 SSA_NAME_IS_DEFAULT_DEF to 0.
665 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
667 * tree-ssa-dse.c (aggregate_vardecl_d): New.
668 (dse_global_data): Add aggregate_vardecl field.
669 (dse_possible_dead_store_p): New.
670 Add prev_defvar variable.
671 Allow immediate uses and previous immediate uses to differ
672 if they are setting different parts of the whole.
673 (get_aggregate_vardecl): New.
674 (dse_record_partial_aggregate_store): New.
675 (dse_whole_aggregate_clobbered_p): New.
676 (dse_partial_kill_p): New.
677 (dse_optimize_stmt): Abstract code checking a possible dead store
678 into new function dse_possible_dead_store_p().
679 Call dse_maybe_record_aggregate_store().
680 When checking whether a STMT and its USE_STMT refer to the
681 same memory address, check also for partial kills that clobber
683 Move some variable definitions to the block where they are used.
684 (aggregate_vardecl_hash): New.
685 (aggregate_vardecl_eq): New.
686 (aggregate_vardecl_free): New.
687 (aggregate_whole_store_p): New.
688 (tree_ssa_dse): Initialize and free aggregate_vardecl.
689 Mark which aggregate stores we care about.
691 2006-12-11 Andrew Macleod <amacleod@redhat.com>
693 * tree-ssa-operands.h (struct vuse_element_d): Declare.
694 (vuse_element_t): Declare.
695 (struct vuse_vec_d): Declare.
696 (vuse_vec_p): Declare.
697 (VUSE_VECT_NUM_ELEM): Define.
698 (VUSE_VECT_ELEMENT_NC): Define.
699 (VUSE_ELEMENT_PTR_NC): Define.
700 (VUSE_ELEMENT_VAR_NC): Define.
701 (VUSE_VECT_ELEMENT): Define.
702 (VUSE_ELEMENT_PTR): Define.
703 (VUSE_ELEMENT_VAR): Define.
704 (struct maydef_optype_d) <use_var>: Remove.
707 (struct vuse_optype_d) <kill_var>: Remove.
710 (struct mustdef_optype_d) <kill_var>: Remove.
713 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
714 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
717 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
718 (MAYDEF_OP): Add argument. Use VUSE_OP.
719 (MAYDEF_NUM): Define.
720 (MAYDEF_VECT): Define.
721 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
722 (MUSTDEF_KILL): Use VUSE_OP.
723 (MUSTDEF_NUM): Define.
724 (MUSTDEF_VECT): Define.
725 (realloc_maydef): Declare.
726 (realloc_vuse): Declare.
727 (struct ssa_operand_iterator_d) <vuse_index>: Add.
729 (LOADED_SYMS): Define.
730 (STORED_SYMS): Define.
731 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
732 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
734 * tree-pretty-print.c: Likewise.
735 * tree-ssa-dse.c: Likewise.
736 * tree-flow-inline.h: Likewise.
737 (op_iter_next_mustdef): New.
738 * tree-ssa-operands.c: Likewise.
739 (ALLOC_OPTYPE): Remove.
745 (alloc_mustdef): New.
746 (realloc_maydef): New.
749 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
751 * tree-ssa-operands.c: Remove build_v_must_defs.
752 (init_ssa_operands): Delete build_v_must_defs.
753 (finalize_ssa_v_must_def_ops): Remove.
754 (finalize_ssa_v_must_defs): Remove.
755 (finalize_ssa_stmt_operands): Do not call
756 finalize_ssa_v_must_defs.
757 (start_ssa_stmt_operands): Do not check build_v_must_defs.
758 (append_v_must_def): Delete.
759 (copy_virtual_operands): Do not copy V_MUST_DEFs.
760 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
761 comment. Remove opf_kill_def.
762 (build_ssa_operands): Remove references to v_must_defs.
763 (copy_virtual_operands): Same.
764 (copy_virtual_operands): Same.
765 (fini_ssa_operands): Same.
766 (free_ssa_operands): Same.
767 (add_mustdef_op): Remove.
768 Remove mustdef_optype_p.
769 (alloc_mustdef): Remove.
770 Remove references to V_MUST_DEFs in comment at top of file.
771 (get_expr_operands): Remove opf_kill_def.
772 (opf_kill_def): Remove.
773 (add_virtual_operand): Remove opf_kill_def.
774 (get_indirect_ref_operands): Same.
775 (get_tmr_operands): Same.
777 * tree-vectorizer.c (rename_variables_in_bb): Remove
780 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
782 (check_loop_closed_ssa_stmt): Same.
784 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
786 (verify_ssa): Remove V_MUST_DEFs traces.
787 (verify_ssa): Remove SSA_OP_ALL_KILLS.
789 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
791 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
792 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
794 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
796 (MUSTDEF_OPS): Remove.
797 (SSA_OP_VMUSTDEF): Remove.
798 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
799 (struct mustdef_optype_d): Remove.
800 Remove mustdef_optype_p.
801 (struct stmt_operands_d): Remove mustdef_ops.
802 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
803 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
804 (MUSTDEF_RESULT_PTR): Remove.
805 (MUSTDEF_RESULT): Remove.
806 (MUSTDEF_KILL_PTR): Remove.
807 (MUSTDEF_KILL): Remove.
808 (MUSTDEF_NUM): Remove.
809 (MUSTDEF_VECT): Remove.
810 (SSA_OP_VIRTUAL_KILLS): Remove.
811 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
812 (SSA_OP_VMUSTKILL): Remove.
813 (SSA_OP_ALL_KILLS): Remove.
814 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
816 * tree-flow-inline.h (op_iter_init_def): Remove
817 SSA_OP_VIRTUAL_KILLS.
818 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
820 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
821 SSA_OP_VIRTUAL_KILLS.
823 * tree-ssa-loop-im.c (determine_max_movement): Remove
824 SSA_OP_VIRTUAL_KILLS.
825 (gather_mem_refs_stmt): Same.
826 (gather_mem_refs_stmt): Same.
828 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
829 (perform_tree_ssa_dce): Remove call to
830 mark_really_necessary_kill_operand_phis.
832 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
834 (op_iter_next_use): Do not check mustkills.
835 (op_iter_next_def): Do not check mustdefs.
836 (op_iter_next_tree): Do not check mustkills or mustdefs.
837 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
838 (op_iter_next_maymustdef): Do not check mustkills.
839 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
840 (op_iter_init_mustdef): Remove.
842 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
845 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
847 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
848 (visit_assignment): Same.
850 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
852 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
854 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
856 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
857 Remove kill_p variable.
859 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
860 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
861 (collect_dfa_stats_r): Do not set num_v_must_defs.
862 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
865 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
868 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
869 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
871 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
874 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
876 PR rtl-optimization/30113
877 * loop-iv.c (implies_p): Require the mode of the operands to be
880 2006-12-11 Diego Novillo <dnovillo@redhat.com>
882 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
883 Rename from create_ssa_artficial_load_stmt. Update all users.
884 * tree-into-ssa.c (register_new_def): Make static.
885 * tree.c (is_global_var): Handle SSA_NAMEs.
886 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
887 that used to call gimple_default_def.
888 * tree-ssa-operands.c (push_stmt_changes): New.
889 (pop_stmt_changes): New. Update every pass that modifies
890 statements to bracket modifications with
891 push_stmt_changes/pop_stmt_changes.
892 (discard_stmt_changes): New.
893 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
894 'tree *' instead of 'tree'. Update all users.
895 * tree-flow-inline.h (zero_imm_uses_p): New.
896 (symbol_mem_tag): New. Update every function that used
897 to access the annotation directly.
898 (set_symbol_mem_tag): Likewise.
899 * tree-dfa.c (dump_variable): Always show the escape mask.
900 (mark_symbols_for_renaming): Rename from
901 mark_new_vars_to_rename. Update all users.
902 Only mark to rename naked symbols in real and virtual
905 2006-12-11 Andreas Schwab <schwab@suse.de>
907 * varasm.c (elf_record_gcc_switches): Cast second argument of
908 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
910 2006-12-11 Diego Novillo <dnovillo@redhat.com>
912 * tree-scalar-evolution.c (scev_const_prop):
913 * tree-phinodes.c (remove_phi_node): Add argument
914 RELEASE_LHS_P. If given, release the SSA name on the LHS of
917 * tree-ssa-dce.c: Remove forward declarations for static
918 functions. Re-arrange functions bodies as needed.
919 (find_obviously_necessary_stmts): Never mark PHI nodes as
922 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
924 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
926 2006-12-11 Jan Hubicka <jh@suse.cz>
928 * value-prof.c (tree_stringops_transform): New.
929 (tree_value_profile_transformations): Require count to be non-zero;
930 call stringop transform; reset stmt BSI after BB changed.
931 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
932 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
933 (tree_stringops_values_to_profile): New.
934 (tree_values_to_profile): Call tree_stringops_values_to_profile.
935 * tree.h (build_string_literal): Tidy prototype.
936 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
938 * builtins.c (validate_arglist, builtin_memset_read_str,
939 get_pointer_alignment): Export.
941 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
945 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
947 * config/i386/i386.opt: New target option -mx87regparm.
949 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
950 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
951 (X87_REGPARM_MAX): Define.
953 * config/i386/i386.c (override_options): Error out for
954 -mx87regparm but no 80387 support.
955 (ix86_attribute_table): Add x87regparm.
956 (ix86_handle_cconv_attribute): Update comments for x87regparm.
957 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
958 (ix86_function_x87regparm): New function.
959 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
961 (init_cumulative_args): Initialize x87_nregs and float_in_x87
963 (function_arg_advance): Process x87_nregs and x87_regno when
964 floating point argument is to be passed in 80387 register.
965 (function_arg): Pass XFmode arguments in 80387 registers for local
966 functions. Pass SFmode and DFmode arguments to local functions
967 in 80387 registers when flag_unsafe_math_optimizations is set.
969 * reg-stack.c (convert_regs_entry): Disable NaN load for
970 stack registers that are used for argument passing.
972 * doc/extend.texi: Document x87regparm function attribute.
973 * doc/invoke.texi: Document -mx87regparm.
975 2006-12-11 Jan Hubicka <jh@suse.cz>
977 Move all varpool routines out of cgraph/cgraphunit to varpool.c
978 * cgraph.c: Update comments.
979 (cgraph_varpool_hash,
980 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
981 cgraph_varpool_node_name, cgraph_varpool_node,
982 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
983 cgraph_variable_initializer_availability): Move to
984 varpool.c and drop cgraph_ prefixes.
985 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
986 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
987 move to varpool.c; drop cgraph_ prefix; make static.
988 (dump_cgraph_varpool_node): Move to varpool.c under name
990 (dump_varpool, hash_varpool_node, eq_varpool_node,
991 decide_is_variable_needed): Move to varpool.c
992 (decl_assembler_name_equal): Move to tree.c.
993 (availability_names): Rename to ...
994 (cgraph_availability_names): ... this one.
995 (dump_cgraph_node): Update.
996 * cgraph.h: Reorder declarations now in varpool.c
997 (cgraph_vailablity_names): Declare.
998 (struct cgraph_varpool_node): Rename to ...
999 (struct varpool_node): ... this one.
1000 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
1001 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
1002 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
1003 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
1004 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
1005 cgraph_variable_initializer_availability): Rename to ...
1006 (varpool_first_unanalyzed_node, varpool_nodes_queue,
1007 varpool_first_unanalyzed_node, varpool_node,
1008 varpool_node_for_asm, varpool_mark_needed_node,
1009 varpool_finalize_decl, varpool_enqueue_needed_node,
1010 varpool_assemble_pending_decls, variable_initializer_availability):
1012 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
1013 * tree.h (decl_assembler_name_equal): Declare.
1014 * omp-low.c (lower_omp_critical): Update.
1015 * ipa-reference (analyze_variable, static_execute): Likewise.
1016 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
1017 * cgraphunit.c: Update comments.
1018 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
1019 varpool_assembled_nodes_queue.
1020 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
1021 varpool_analyze_pending_decls.
1022 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
1023 varpool_remove_unreferenced_decls.
1024 (record_reference): Update.
1025 (cgraph_create_edges): Update.
1026 (record_referneces_in_initializer): New function.
1027 (cgraph_varpool_assemble_decl): Move to varpool.c under name
1028 varpool_assemble_decl; make global.
1029 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
1030 varpool_assemble_pending_decls.
1031 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
1032 struct cgraph_order_sort, cgraph_output_in_order,
1033 cgraph_function_and_variable_invisibility, cgraph_optimize,
1034 cgraph_increase_alignment): Update.
1035 * dwarf2out.c (decls_for_scope): Likewise.
1036 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
1037 * except.c (output_ttype): Likewise.
1038 * varasm.c (mark_decl_referenced): Likewise.
1039 (find_decl_and_mark_referenced, assemble_alias): update.
1040 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
1041 * passes.c (rest_of_decl_compilation): Update.
1043 2006-12-11 Ira Rosen <irar@il.ibm.com>
1045 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
1046 GIMPLE_STMT_OPERAND.
1047 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
1048 (vect_setup_realignment): Likewise.
1050 2006-12-11 Sa Liu <saliu@de.ibm.com>
1051 Ben Elliston <bje@au.ibm.com>
1053 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
1054 (ENDFILE_SPEC): Likewise.
1055 * config/spu/spu.opt (mstdmain): New option.
1056 * config/spu/crti.asm: Remove.
1057 * config/spu/crtn.asm: Likewise.
1058 * config/spu/crt0.c: Likewise.
1059 * config/spu/crtend.c: Likewise.
1060 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
1062 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
1063 * doc/invoke.texi (SPU Options): Document -mstdmain.
1065 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1067 * doc/loop.texi: Document number_of_latch_executions and
1068 number_of_cond_exit_executions.
1069 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1070 chrec_is_positive, number_of_iterations_for_all_loops,
1071 scev_const_prop): Use number_of_latch_executions.
1072 (set_nb_iterations_in_loop): Do not increase the value of the
1073 number of iterations.
1074 (number_of_iterations_in_loop): Renamed to ...
1075 (number_of_latch_executions): ... this.
1076 (number_of_exit_cond_executions): New function.
1077 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
1079 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
1080 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
1081 number_of_latch_executions.
1082 * tree-data-ref.c (get_number_of_iters_for_loop): Use
1083 number_of_exit_cond_executions.
1084 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
1085 * cfgloop.h (struct loop): Improve description of the nb_iterations
1088 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
1090 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
1091 (tree_pointer_compare): Remove.
1093 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1095 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
1096 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
1097 * tree-loop-linear.c (linear_transform_loops): Ditto.
1098 * tree-ssa-loop-im.c (determine_lsm): Ditto.
1099 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1100 free_numbers_of_iterations_estimates): Ditto.
1101 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
1102 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1103 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1104 * modulo-sched.c (sms_schedule): Ditto.
1105 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
1106 tree_unroll_loops_completely): Ditto.
1107 * predict.c (predict_loops): Ditto.
1108 * tree-if-conv.c (main_tree_if_conversion): Ditto.
1109 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1110 decide_unrolling_and_peeling): Ditto.
1111 * cfgloopmanip.c (unloop): Use delete_loop.
1112 (place_new_loop): Access larray vector instead of parray.
1113 (create_preheaders, force_single_succ_latches,
1114 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
1115 * loop-doloop.c (doloop_optimize_loops): Ditto.
1116 * loop-invariant.c (move_loop_invariants): Ditto.
1117 * tree-cfg.c (replace_uses_by): Ditto.
1118 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
1119 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1121 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1123 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
1124 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
1125 get_loop and get_chrec_loop.
1126 (number_of_iterations_for_all_loops): Use number_of_loops.
1127 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
1128 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
1129 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1131 * tree-chrec.c (evolution_function_is_invariant_rec_p,
1132 chrec_convert_1): Use get_loop and get_chrec_loop.
1133 * loop-init.c (loop_optimizer_init): Use number_of_loops.
1134 (loop_optimizer_init): Use FOR_EACH_LOOP.
1135 * tree-vectorizer.c (vect_loops_num): Removed.
1136 (vectorize_loops): Store number of loops locally. Use
1137 FOR_EACH_LOOP and get_loop.
1138 * tree-vectorizer.h (vect_loops_num): Removed.
1139 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1140 (find_data_references_in_loop): Do not set parallel_p.
1141 * tree-data-ref.h: Do not declare VEC(loop_p).
1142 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1143 verify_loop_structure): Use FOR_EACH_LOOP.
1144 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1145 (initialize_loops_parallel_p): Removed.
1146 (flow_loops_find): Push the loops into a vector.
1147 (delete_loop): New function.
1148 (cancel_loop): Use delete_loop.
1149 * cfgloop.h: Declare VEC(loop_p).
1150 (struct loop): Remove parallel_p field.
1151 (struct loops): Replace num and parray field by larray vector.
1152 Remove shared_headers field.
1153 (delete_loop): Declare.
1154 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
1155 FOR_EACH_LOOP): New.
1156 * doc/loop.tex: Document new accessor functions.
1158 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
1160 * common.opt (-ftree-lrs): Remove live range splitting option.
1161 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1162 * opts.c (decode_options): Remove flag_tree_live_range_split.
1163 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1164 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
1165 * tree-outof-ssa.c: Remove header files which aren't needed.
1166 (SSANORM_*): Remove flags.
1167 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1168 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1169 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1170 (assign_vars): Use Basevar instead of root_var structure.
1171 (replace_def_variable): Dont do anything if def is replaceable.
1172 (remove_ssa_form): Integrate functional changes.
1173 (rewrite_out_of_ssa): Remove live-range_split option.
1174 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1175 (coalesce_cost): Calculate the cost of a coalesce.
1176 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1177 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1178 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1179 (pop_best_coalesce): Remove the best coalesce from the list.
1180 (coalesce_pair_map_hash): Calculate coalesce pair hash.
1181 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1182 (create_coalesce_list): Create a coalesce list object.
1183 (delete_coalesce_list): Free a coalesce list object.
1184 (find_coalesce_pair): Find matching pair in the coalesce list.
1185 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1186 (add_coalesce): Add a coalesce to the coalesce list.
1187 (compare_pairs): Comparision function to determine pair sorted order.
1188 (num_coalesce_pairs): Number of coalesced pairs.
1189 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1190 Coalesce pair iterator functions.
1191 (sort_coalesce_list): Sort coalesce pairs in order of expense.
1192 (dump_coalesce_list): Show coalesce list.
1193 (ssa_conflicts_new): Create an SSA conflict graph.
1194 (ssa_conflicts_delete): Delete an SSA conflict graph.
1195 (ssa_conflicts_test_p): Test for conflicts.
1196 (ssa_conflicts_add_one): Add a single conflict.
1197 (ssa_conflicts_add): Add a conflict pair.
1198 (ssa_conflicts_merge): Merge conflicts.
1199 (struct live_track_d): Struct for tracking live partitions.
1200 (new_live_track): Create new live_track object.
1201 (delete_live_track): Delete a live_track object.
1202 (live_track_remove_partition): Remove a partition from the live list.
1203 (live_track_add_partition): Add a partition from the live list.
1204 (live_track_clear_var): Take VAR from the live list.
1205 (live_track_live_p): Is var live?
1206 (live_track_process_use): Make var come alive.
1207 (live_track_process_def): Make var go dead, add conflicts.
1208 (live_track_init): Initialize to a live on exit set.
1209 (live_track_clear_base_vars): Clear live partitions.
1210 (build_ssa_conflict_graph): Build a conflict graph.
1211 (print_exprs): Common debug output routine.
1212 (abnormal_corrupt): Output info about a failed coalesce across an
1214 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1215 (create_outofssa_var_map): Create a var map and coalesce list.
1216 (attempt_coalesce): Coalesce a pair.
1217 (coalesce_partitions): Coalesce all pairs in a coalesce list.
1218 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
1219 * tree-ssa-live.c: Remove header files which aren't needed.
1220 (var_map_base_init): New. Initialize a basevar list.
1221 (var_map_base_fini): New. Finish a basevar list.
1222 (init_var_map): Initialize new fields.
1223 (delete_var_map): Free new fields.
1224 (var_union): Use renamed fields.
1225 (compact_var_map): Remove.
1226 (partition_to_view_init): Use renamed fields, change order of an if.
1227 (partition_view_fini): Use renamed fields.
1228 (partition_view_normal): Create basevar list if requested.
1229 (partition_view_bitmap): Create a view based on a bitmap of partitions.
1230 (change_partition_var): Use renamed fields.
1231 (create_ssa_var_map): Remove.
1232 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1233 root_var_init): Remove.
1234 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1235 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1236 compare_pairs, num_coalesce_pairs, first_partition_pair,
1237 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1238 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1239 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1240 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1241 (dump_var_map): Use renamed fields.
1242 * tree-ssa-live.h (struct _var_map): Modify fields.
1243 (partition_to_var, version_to_var, var_to_partition): Use renamed
1245 (basevar_index): New. Index of the base variable of a partition.
1246 (num_basevars): New. Number of unique base variables in partition map.
1247 (register_ssa_partition): Use renamed fields.
1248 (struct tree_partition_associator_d): Remove.
1249 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1250 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1251 root_var, root_var_first_partition, root_var_next_partition,
1252 root_var_dump, root_var_delete, root_var_remove_partition,
1253 root_var_find, root_var_compact, root_var_decompact): Remove.
1254 (struct partition_pair, struct coalesce_list_d): Moved to
1256 * tree-ssa-ter.c: Remove header files which aren't needed.
1258 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
1260 * cse.c: (struct cse_basic_block_data): Remove LAST field.
1261 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
1263 (cse_visited_basic_blocks): New static bitmap.
1264 (cse_end_of_basic_block, cse_basic_block): Remove.
1265 (cse_find_path, cse_dump_path, cse_prescan_path,
1266 cse_extended_basic_block): New static functions.
1267 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
1268 basic block boundaries. Don't record jump equivalences here.
1269 Update the CFG after doing in-place replacement of the SET_SRC.
1270 (cse_main): Rewrite. Look for extended basic block headers
1271 and call cse_extended_basic_block on them until all paths that
1272 start at this header are exhausted.
1273 (rest_of_handle_cse): Verify that the CFG is incrementally updated
1274 and correct after cse_main.
1275 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
1276 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
1277 (pass_cse): Add TODO_verify_flow.
1278 (pass_cse2): Likewise.
1280 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
1282 * reload1.c (choose_reload_regs): Don't set byte offset when
1283 resolving subregs of hard regs.
1285 2006-12-09 Zack Weinberg <zackw@panix.com>
1287 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
1288 suitable for the language, if set_yydebug is true.
1289 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
1290 YYDEBUG or declare yydebug.
1291 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
1293 2006-12-09 Jan Hubicka <jh@suse.cz>
1295 * cgraph.c: Update copyright.
1296 * cgraph.h: Likewise
1297 (cgraph_update_pending_function): Remove prototype.
1298 * cgraphunit.c: Update copyright; update overall comment.
1299 (cgraph_assemble_pending_functions): Make local.
1301 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1303 * haifa-sched.c (schedule_block): Remove excessive sanity check.
1305 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1307 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
1309 (cpat_const_p, gen_cpat_const): Add.
1310 * config/spu/spu.c (immediate_class): New enum.
1311 (cpat_info, classify_immediate): New.
1312 (print_operand): Use S, D, T instead of F, G, H. Use
1313 classify_immediate. Handle cpat cases.
1314 (spu_split_immediate): Renamed from spu_split_address. Split all
1315 immediates that can be split.
1316 (immediate_load_p): Use classify_immediate.
1317 (spu_legitimate_constant_p): Accept everything except some cases of
1319 (spu_expand_move): Use spu_split_immedate.
1320 (fsmbi_const_p): Use classify_immediate.
1321 (cpat_const_p): New.
1322 (gen_cpat_const: New.
1323 * config/spu/constraints.md (j,k,l): New constraints for cpat
1325 * config/spu/spu.md (unnamed splitter): Change address splitter to
1326 handle all immediates.
1327 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
1329 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
1332 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1335 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
1336 patterns. Correct length of high:DI instruction sequence.
1338 2006-12-08 Mike Stump <mrs@apple.com>
1340 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
1341 libgcc with -mmacosx-version-min=10.4.
1342 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
1343 G4 for 10.5+ unless doing kernel builds.
1345 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
1348 * reg-stack.c (convert_regs_entry): Mark current argument passing
1351 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
1352 of float arguments in x87 registers.
1354 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
1356 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
1358 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
1360 * recog.c (mode_dependent_address_p): Identify pre-increment,
1361 pre-decrement, post-increment and post-decrement addressing as always
1362 being mode-dependent.
1363 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
1364 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1365 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
1366 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1367 PRE_INC and POST_INC checks.
1368 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1369 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1370 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1371 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1372 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1373 PRE_INC, POST_DEC and POST_INC cases.
1374 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1375 Delete POST_INC and PRE_DEC cases.
1376 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1378 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1379 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1381 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1382 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1383 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
1384 PRE_INC and PRE_DEC cases.
1385 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1386 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1387 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1388 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1389 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1390 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
1391 auto-increment cases.
1392 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
1393 auto-increment cases.
1394 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1396 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
1398 * Makefile.in: Add new file tree-ssa-ter.c.
1399 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
1400 free_temp_expr_table, add_value_to_version_list,
1401 add_value_to_partition_list, remove_value_from_partition_list,
1402 add_dependence, check_replaceable, finish_expr, mark_replaceable,
1403 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
1404 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
1405 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
1407 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
1408 (struct value_expr_d): Remove.
1409 (struct temp_expr_table_d): Rename fields, add explicit vector of
1410 replaceable expressions instead of sharing. Change value_expr_p's to
1411 bitmap. Delete free_list.
1412 (new_temp_expr_table): Rename fields, count number of ssa_names in
1414 (free_temp_expr_table): Rename field, free new fields.
1415 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1416 add_info_to_list, remove_value_from_list): Delete.
1417 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1418 (make_dependent_on_partition): New. Set bit in version list, allocating
1419 a bitmap if need be.
1420 (add_to_partition_kill_list): New. Set bit in the partition list,
1421 allocating a bitmap if need be.
1422 (remove_from_partition_kill_list): New. Remove a bit from the
1423 partition list, free the bitmap if it is empty.
1424 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1425 on partitions with only one member.
1426 (is_replaceable_p): New. Split out replaceability check from
1428 (process_replaceable): New. Code split from check_replaceable.
1429 (check_replaceable): Removed.
1430 (finished_with_expr): Renamed from finish_expr.
1431 (kill_expr): Use renamed fields and less parameters.
1432 (kill_virtual_exprs): Less parameters.
1433 (mark_replaceable): Use renamed fields.
1434 (find_replaceable_in_bb): Use renamed fields, cleanup.
1435 (find_replaceable_exprs): Use renamed routines, cleanup.
1436 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1437 (debug_ter): New. Debug routine to dump state.
1439 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1441 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1442 anything involving the GOT.
1443 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1444 (trapping_loads_p): Look inside the pattern of an insn to find the
1446 * config/bfin/bfin.md (attr "type"): Add movcc.
1447 (insn_reservation "alu"): Likewise.
1448 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1450 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1452 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1453 (spu_resolve_overloaded_builtin): Check for non scalar instead
1454 of vector type and check the function call argument type also for
1456 Call build_function_call instead of spu_build_overload_builtin.
1458 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1460 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1461 to the calls of hwint_to_const_double.
1463 2006-12-07 Nick Clifton <nickc@redhat.com>
1465 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1466 elf_record_gcc_switches.
1468 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1470 * expr.c (string_constant): Account for non-zero lower bound arrays.
1472 2006-12-07 Richard Guenther <rguenther@suse.de>
1474 * builtins.c (expand_builtin_pow): Adjust predicates for
1475 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1478 2006-12-07 Jan Hubicka <jh@suse.cz>
1480 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1483 2006-12-07 Jan Hubicka <jh@suse.cz>
1485 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1486 use fold_constant_to_binary; tolerate wrong type constants.
1487 (value_intersect_p): Do just two tests.
1489 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1491 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1492 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1493 lshifthi3): Use it, and fix the order of alternatives.
1495 2006-12-07 Nick Clifton <nickc@redhat.com>
1497 * common.opt (record-gcc-switches): New command line switch.
1498 * target.h (print_switch_type): New enum.
1499 (print_switch_fn_type): New typedef for a function pointer.
1500 (struct gcc_target): Add record_gcc_switches and
1501 record_gcc_switches_section fields.
1502 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1504 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1506 * toplev.c (print_single_switch): Simplify by providing a
1507 pointer to function that will format and output the switch
1509 (print_switch_values): Likewise.
1510 (print_to_asm_out_file): New function.
1511 (print_to_stderr): New function.
1512 (init_asm_output): If flag_record_gcc_switches is set then if
1513 the target supports recording the switches then emit them into
1514 the assembler output file, otherwise tell the user that the
1515 switch is not supported.
1516 * varasm.c (eld_record_gcc_switches): New function. Example
1517 handler for the record_gcc_switches target hook.
1518 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1520 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1521 * doc/invoke.texi (-frecord-gcc-switches): Document.
1523 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1526 * sched-rgn.c (add_block1): Use correct initializer.
1528 2006-12-07 Richard Guenther <rguenther@suse.de>
1530 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1531 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1533 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1536 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1537 not GIMPLE_MODIFY_STMT.
1539 2006-12-06 Jan Hubicka <jh@suse.cz>
1541 * tree-vrp.c (operand_less_p): New.
1542 (compare_values, value_inside_range): Rewrite in terms of
1545 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1547 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1549 (length_immediate): Do not depend on cld type attribute.
1550 (length_address): Ditto.
1553 (cld): Remove insn pattern.
1554 (strmov_singleop): Do not use DIRFLAG_REG.
1555 (*strmovdi_rex_1): Ditto.
1556 (*strmovsi_1): Ditto.
1557 (*strmovsi_rex_1): Ditto.
1558 (*strmovhi_1): Ditto.
1559 (*strmovhi_rex_1): Ditto.
1560 (*strmovqi_1): Ditto.
1561 (*strmovqi_rex_1): Ditto.
1563 (*rep_movdi_rex64): Ditto.
1564 (*rep_movsi): Ditto.
1565 (*rep_movsi_rex64): Ditto.
1566 (*rep_movqi): Ditto.
1567 (*rep_movqi_rex64): Ditto.
1568 (strset_singleop): Ditto.
1569 (*strsetdi_rex_1): Ditto.
1570 (*strsetsi_1): Ditto.
1571 (*strsetsi_rex_1): Ditto.
1572 (*strsethi_1): Ditto.
1573 (*strsethi_rex_1): Ditto.
1574 (*strsetqi_1): Ditto.
1575 (*strsetqi_rex_1): Ditto.
1577 (*rep_stosdi_rex64): Ditto.
1578 (*rep_stossi): Ditto.
1579 (*rep_stossi_rex64): Ditto.
1580 (*rep_stosqi): Ditto.
1581 (*rep_stosqi_rex64): Ditto.
1582 (cmpstrnsi): Do not generate cld insn.
1583 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1584 (*cmpstrnqi_nz_1): Ditto.
1585 (*cmpstrnqi_nz_rex_1): Ditto.
1586 (cmpstrnqi_1): Ditto.
1587 (*cmpstrnqi_1): Ditto.
1588 (*cmpstrnqi_rex_1): Ditto.
1589 (strlenqi_1): Ditto.
1590 (*strlenqi_1): Ditto.
1591 (*strlenqi_rex_1): Ditto.
1593 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1594 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1595 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1597 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1598 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1600 (k6_alux_only_load): Ditto.
1601 (k6_alux_only_store): Ditto.
1603 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1604 Do not emit cld instruction.
1605 (ix86_expand_setmem): Ditto.
1606 (ix86_expand_strlen): Do not emit cld instruction.
1608 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1610 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1613 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1615 * gdbinit.in: Set complaints to 0.
1617 2006-12-06 Jan Hubicka <jh@suse.cz>
1619 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1620 ALONE_MEM_STAT_DECL): New macros.
1621 * bitmap.h: Include statistics.h
1622 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
1623 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
1624 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
1625 * bitmap.c: Include hashtab.h
1626 (bitmap_descriptor): New.
1627 (bitmap_hash): New static variable
1628 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
1629 New static functions.
1630 (bitmap_register): New.
1631 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
1632 bitmap_obstack_release): Do accounting.
1633 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
1635 (bitmap_gc_alloc_stat): Likewise.
1636 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
1637 (print_statistics, dump_bitmap_statistics): New functions.
1638 * toplev.c (finalize): Dump bitmap statistics.
1640 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1642 * reload1.c (delete_output_reload): Count occurrences in
1643 CALL_INSN_FUNCTION_USAGE.
1644 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
1645 crashing at the end of the list.
1647 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1649 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
1650 Optimize to avoid marking more SMT's as used when they aren't.
1652 2006-12-05 Eric Christopher <echristo@apple.com>
1654 * config/i386/i386.c (x86_output_aligned_bss): Move out
1655 of COMMON_ASM_OP ifdef.
1657 2006-12-05 Eric Christopher <echristo@apple.com>
1659 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
1660 (STARTFILE_SPEC): Use.
1661 (DARWIN_DYLIB1_SPEC): New.
1662 (DARWIN_CRT1_SPEC): New.
1663 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
1665 * config/i386/darwin.h: Ditto.
1666 * config/rs6000/darwin.h: Ditto.
1668 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1670 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
1671 * tree-complex.c (pass_lower_complex): Ditto.
1672 * tree-ssa-ccp.c (pass_ccp): Ditto.
1673 (pass_store_ccp): Ditto.
1674 * tree-ssa-dom.c (pass_dominator): Ditto.
1675 (pass_phi_only_cprop): Ditto.
1676 * tree-sra.c (pass_sra): Ditto.
1677 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1678 * tree-flow.h (updating_used_alone): Remove.
1679 (updating_used_alone): Ditto.
1680 * tree-ssa-alias.c (updating_used_alone): Remove variable.
1681 (lhs_may_store_to): Remove function.
1682 (recalculate_used_alone): Ditto.
1683 (compute_may_aliases): Remove used_alone calculation.
1684 * tree.h (struct tree_memory_tag): Remove is_used_alone and
1685 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
1686 * tree-pass.h (PROP_smt_usage): Remove.
1687 * passes.c (execute_todo): Remove used alone recalculation.
1688 (execute_one_pass): Ditto.
1689 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
1692 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
1694 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
1696 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
1698 PR tree-optimization/14784
1699 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
1701 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
1703 Merge from gimple-tuples-branch.
1705 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1707 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
1709 (s390_gimplify_va_arg): Same.
1710 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
1711 * config/sh/sh.c (sh_va_start): Same.
1712 (sh_gimplify_va_arg_expr): Same.
1713 * config/xtensa/xtensa.c (xtensa_va_start): Same.
1714 (xtensa_gimplify_va_arg_expr): Same.
1715 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
1716 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
1717 * config/mips/mips.c (mips_va_start): Same.
1718 (mips_gimplify_va_arg_expr): Same.
1720 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1722 * Merge from mainline at revision 119445.
1724 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1726 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
1728 (spu_gimplify_va_arg_expr): Same.
1730 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1732 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1733 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1734 (xstormy16_expand_builtin_va_arg): Same.
1736 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1738 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
1739 to GIMPLE_MODIFY_STMT.
1741 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1743 * config/alpha/alpha.c (va_list_skip_additions): Change all
1744 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1745 (alpha_va_start): Same.
1746 (alpha_gimplify_va_arg_1): Same.
1747 (alpha_gimplify_va_arg): Same.
1749 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1751 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
1753 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1755 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
1756 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
1758 * tree-complex.c: Same.
1759 * tree-pretty-print.c: Same.
1763 * fold-const.c: Same.
1764 * tree-ssa-dom.c: Same.
1765 * tree-ssa-propagate.c: Same.
1766 * tree-ssa-alias.c: Same.
1767 * gimple-low.c: Same.
1768 * dwarf2out.c: Same.
1769 * c-pretty-print.c: Same.
1771 * tree-inline.c: Same.
1772 * tree-outof-ssa.c: Same.
1773 * tree-ssa-structalias.c: Same.
1774 * tree-ssa-reassoc.c: Same.
1777 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
1779 * tree.c (build2_stat): Fix comment.
1781 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
1783 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
1784 TREE_OPERAND when appropriate.
1786 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
1788 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
1789 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
1790 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
1791 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
1792 not handle GIMPLE_MODIFY_STMT in the switch statement.
1793 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
1794 (java_gimplify_new_array_init): Same.
1796 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
1798 * gimplify.c (gimplify_omp_for): Allow gimple statements.
1799 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
1800 * fold-const.c (fold_binary): Allow gimple statements.
1802 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
1803 Rename from gfc_conv_descriptor_data_set.
1804 Call gfc_add_modify instead of gfc_add_modify_expr.
1805 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
1806 Rename from gfc_conv_descriptor_data_set.
1807 (gfc_conv_descriptor_data_set): New macro.
1808 (gfc_conv_descriptor_data_set_tuples): New macros.
1809 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
1810 gfc_conv_descriptor_data_set_tuples.
1811 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
1812 Generate GIMPLE_MODIFY_STMT when appropriate.
1813 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
1814 (gfc_add_modify_expr): New macro.
1815 (gfc_add_modify_stmt): New macro.
1816 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
1818 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
1820 * Merge from mainline at revision 118200.
1822 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1824 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
1827 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1829 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
1831 Also, add __extension__ to GCC versions.
1832 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1833 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
1836 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
1838 * tree-complex.c (expand_complex_libcall): Adjust for
1840 (expand_complex_comparison): Same.
1841 * tree-pretty-print.c (dump_generic_node): Is_expr should include
1842 GIMPLE_STMT_P statements.
1843 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
1845 (tree_mod_pow2_value_transform): Same.
1846 (tree_mod_subtract_transform): Same.
1847 * tree.c (build2_stat): Check for gimplified function in cfun.
1848 * tree.h (DECL_GIMPLIFIED): Delete.
1849 (struct tree_function_decl): Remove gimplified_flag.
1850 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
1851 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
1852 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
1853 (cxx_omp_clause_copy_ctor): Same.
1854 (cxx_omp_clause_assign_op): Same.
1855 * c-pretty-print.c (pp_c_conditional_expression): Same.
1856 (pp_c_expression): Same.
1857 * langhooks.c (lhd_omp_predetermined_sharing): Same.
1858 * function.h (struct function): Add gimplified field.
1859 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
1861 (find_phi_replacement_condition): Same.
1862 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
1863 (gimplify_modify_expr_to_memset): Same.
1864 (gimplify_init_ctor_eval_range): Same.
1865 (gimplify_modify_expr_complex_part): Same.
1866 (tree_to_gimple_tuple): Same.
1867 (gimplify_modify_expr): Same.
1868 (gimple_push_cleanup): Same.
1869 (gimplify_omp_for): Same.
1870 (gimplify_omp_atomic_pipeline): Same.
1871 (gimplify_omp_atomic_mutex): Same.
1872 (gimplify_expr): Same.
1873 (gimplify_one_sizepos): Same.
1874 (gimplify_function_tree): Same.
1875 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
1876 (vect_recog_widen_sum_pattern): Same.
1877 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
1878 (vect_create_epilog_for_reduction): Same.
1879 (vectorizable_reduction): Same.
1881 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
1883 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
1884 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
1885 (ifc_temp_var): Same.
1886 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
1887 for gimple statements.
1888 (vect_analyze_operations): Same.
1889 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
1890 * gimplify.c (gimplify_return_expr): Handle gimple statements.
1891 * lambda-code.c (can_put_in_inner_loop): Same.
1892 (can_put_after_inner_loop): Same.
1893 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1894 (vect_create_data_ref_ptr): Same.
1895 (vect_init_vector): Same.
1896 (vect_get_vec_def_for_operand): Same.
1897 (vect_create_epilog_for_reduction): Same.
1898 (vectorizable_reduction): Same.
1899 (vectorizable_assignment): Same.
1900 (vectorizable_operation): Same.
1901 (vectorizable_load): Same.
1902 (vectorizable_condition): Same.
1903 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
1904 (rs6000_gimplify_va_arg): Same.
1906 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
1908 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
1909 GIMPLE_STMT_OPERAND.
1910 (simplify_abs_using_ranges): Same.
1911 * tree-complex.c (expand_complex_operations_1): Use
1912 PROTECTED_TREE_OPERAND.
1913 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
1915 (get_val_for): Use GIMPLE_STMT_OPERAND.
1916 * tree-tailcall.c (adjust_accumulator_values): Same.
1917 (adjust_return_value): Same.
1918 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
1919 case. Remove special case for tcc_gimple_stmt.
1920 * tree.h (CAN_HAVE_LOCATION_P): New.
1921 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
1923 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
1924 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
1925 * tree-nrv.c (execute_return_slot_opt): Same.
1926 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
1927 * tree-vn.c (set_value_handle): Same.
1928 (get_value_handle): Same.
1929 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
1930 * tree-vectorizer.c (find_loop_location): Same.
1931 * c-typeck.c (c_process_expr_stmt): Same.
1932 (c_finish_stmt_expr): Same.
1933 * gimplify.c (should_carry_locus_p): Same.
1934 (tree_to_gimple_tuple): Delete definition and use of unecessary
1935 variable save_tree_block.
1936 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
1937 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
1938 (realify_fake_stores): Same.
1939 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
1941 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
1942 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
1943 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
1944 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
1945 (c_parser_statement_after_labels): Same.
1946 (c_parser_paren_condition): Same.
1947 (c_parser_for_statement): Same.
1948 (c_parser_omp_for_loop): Same.
1949 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
1950 (linearize_expr_tree): Same.
1951 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
1952 * function.c (instantiate_expr): Same.
1954 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
1956 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
1957 (set_expr_location): Same.
1959 (set_expr_locus): Same.
1960 (expr_filename): Same.
1961 (expr_lineno): Same.
1962 (tree_block): Use GIMPLE_STMT_BLOCK.
1963 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
1964 * tree.h (struct gimple_stmt): Remove prev and next.
1965 (GIMPLE_STMT_OPERAND_CHECK): New.
1966 (TREE_TO_GIMPLE_STMT): Delete.
1967 (GIMPLE_STMT_TO_TREE): Delete.
1968 (GIMPLE_STMT_OPERAND): Use union, not cast.
1969 (GIMPLE_STMT_LOCUS): New.
1970 (GIMPLE_STMT_BLOCK): New.
1971 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
1973 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
1975 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
1977 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
1979 * tree-tailcall.c (adjust_return_value): Same.
1980 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
1981 (copy_node_stat): Change common.base to base.
1982 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
1983 Remove GIMPLE_STATEMENT_LIST case.
1984 * tree.h (struct gimple_stmt): Make operands of type tree.
1985 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1986 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1987 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1988 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1989 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
1990 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1991 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1992 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
1993 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
1994 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
1995 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1996 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
1997 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
1998 Change common.base to base.
1999 (GIMPLE_STATEMENT_LIST*): Remove.
2000 (union tree_node): Add base. Remove gimple_statement_list.
2001 Remove pointer from gstmt.
2002 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
2003 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
2004 * tree-vn.c (vn_compute): Change common.base to base.
2005 * tree-eh.c (verify_eh_throw_stmt_node): Same.
2006 * tree-flow-inline.h (var_ann): Same.
2007 (function_ann): Same.
2009 (mark_non_addressable): Same.
2010 * gimplify.c (tree_to_gimple_tuple): Same.
2011 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
2012 * tree-dfa.c (create_var_ann): Change common.base to base.
2013 (create_function_ann): Same.
2014 (create_stmt_ann): Same.
2015 (create_tree_ann): Same.
2016 (collect_dfa_stats_r): Same.
2017 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
2018 * tree-ssa-dce.c (NECESSARY): Same.
2019 * tree-ssa.c (delete_tree_ssa): Same.
2020 * tree-optimize.c (execute_free_cfg_annotations): Same.
2021 * tree-flow.h: Same.
2023 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
2025 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
2026 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
2028 * tree.h (struct gimple_stmt): Add prev and next fields.
2029 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
2030 (GIMPLE_STATEMENT_LIST_HEAD): New.
2031 (GIMPLE_STATEMENT_LIST_TAIL): New.
2032 (struct gimple_statement_list): New.
2033 (union tree_node): Add gimple_stmt_list and gstmt.
2034 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
2035 * tree.def: Add GIMPLE_STATEMENT_LIST.
2037 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
2039 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
2040 * tree-vrp.c (build_assert_expr_for): Change uses of
2041 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2042 (find_assert_locations): Same.
2043 (remove_range_assertions): Same.
2044 (stmt_interesting_for_vrp): Same.
2045 (vrp_visit_assignment): Same.
2046 (vrp_visit_stmt): Same.
2047 (simplify_cond_using_ranges): Same.
2048 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
2050 * tree-ssa-loop-im.c (movement_possibility): Change uses of
2051 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2053 (determine_invariantness_stmt): Same.
2054 (schedule_sm): Same.
2055 (gather_mem_refs_stmt): Same.
2056 * tree-complex.c (init_dont_simulate_again): Same.
2057 (complex_visit_stmt): Same.
2058 (set_component_ssa_name): Same.
2059 (expand_complex_move): Same.
2060 (expand_complex_div_wide): Same.
2061 (expand_complex_comparison): Same.
2062 (expand_complex_operations_1): Same.
2063 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
2064 (chain_of_csts_start): Same.
2065 (infer_loop_bounds_from_undefined): Same.
2066 * tree-pretty-print.c (dump_generic_node): Same.
2068 (op_symbol_1): Same.
2069 * tree-ssa-loop-manip.c (create_iv): Same.
2070 * value-prof.c (tree_divmod_fixed_value): Same.
2071 (tree_divmod_fixed_value_transform): Same.
2072 (tree_mod_pow2): Same.
2073 (tree_mod_pow2_value_transform): Same.
2074 (tree_mod_subtract): Same.
2075 (tree_mod_subtract_transform): Same.
2076 (tree_divmod_values_to_profile): Same.
2077 * tree-tailcall.c (process_assignment): Same.
2078 (find_tail_calls): Same.
2079 (adjust_accumulator_values): Same.
2080 (adjust_return_value): Same.
2081 (eliminate_tail_call): Same.
2082 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
2083 (make_node_stat): Same.
2084 (copy_node_stat): Handle gimple tuples.
2085 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
2086 (tree_node_structure): Handle tcc_gimple_stmt.
2087 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
2089 (build2_gimple_stat): New.
2090 (expr_location): New.
2091 (set_expr_location): New.
2092 (expr_has_location): New.
2094 (set_expr_locus): New.
2095 (expr_filename): New.
2097 (walk_tree): Handle tcc_gimple_stmt.
2099 (protected_tree_operand): New.
2100 (protected_tree_type): New.
2101 (tree_code_kind): Add gimple statements.
2102 * tree.h (tree_code_class): Add tcc_gimple_stmt.
2103 (IS_GIMPLE_STMT_CODE_CLASS): New.
2104 (struct tree_base): New.
2105 (struct tree_common): Shrink.
2106 (struct gimple_stmt): New.
2107 (struct gimple_expr): New.
2108 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2109 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2110 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2111 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2112 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
2113 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2114 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2115 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
2116 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
2117 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
2118 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
2119 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2120 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
2121 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
2122 Adjust for new `common' layout.
2123 (struct tree_function_decl): Add gimplified_flag.
2124 (DECL_GIMPLIFIED): NEW.
2125 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
2126 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
2127 EXPR_HAS_LOCATION): Call corresponding function.
2128 (GIMPLE_STMT_CHECK): New.
2129 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
2130 (TREE_BLOCK): Call tree_block.
2131 (GIMPLE_STMT_P): New.
2132 (GIMPLE_TUPLE_P): New.
2133 (TREE_TO_GIMPLE_STMT): New.
2134 (GIMPLE_STMT_TO_TREE): New.
2135 (GIMPLE_STMT_OPERAND): New.
2136 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
2137 (PROTECTED_TREE_OPERAND): New.
2138 (PROTECTED_TREE_TYPE): New.
2139 (build2_gimple_stat): Protoize.
2140 (build2_gimple): New.
2141 (expr_location): Protoize.
2142 (set_expr_location): Protoize.
2143 (expr_has_location): Protoize.
2144 (expr_locus): Protoize.
2145 (set_expr_locus): Protoize.
2146 (expr_filename): Protoize.
2147 (expr_lineno): Protoize.
2148 (tree_block): Protoize.
2149 (protected_tree_operand): Protoize.
2150 (protected_tree_type): Protoize.
2151 (enum tree_node_kind): Add gimple_stmt_kind.
2152 * c-decl.c (union lang_tree_node): Tuples do not have a
2154 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2155 GIMPLE_MODIFY_STMT and adjust accordingly.
2156 * tree-scalar-evolution.c (follow_ssa_edge): Same.
2157 (interpret_condition_phi): Same.
2158 (pointer_used_p): Same.
2159 (analyze_scalar_evolution_1): Same.
2160 (scev_const_prop): Same.
2161 (interpret_rhs_modify_stmt): Rename from
2162 interpret_rhs_modify_expr.
2163 * builtins.c (std_expand_builtin_va_start): Change uses of
2164 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2165 (std_gimplify_va_arg_expr): Same.
2166 (expand_builtin_va_copy): Same.
2167 (integer_valued_real_p): Same.
2168 * fold-const.c (maybe_lvalue_p): Same.
2170 (tree_expr_nonnegative_p): Same.
2171 (tree_expr_nonzero_p): Same.
2172 * omp-low.c (extract_omp_for_data): Same.
2173 (lower_rec_input_clauses): Same.
2174 (lower_reduction_clauses): Same.
2175 (lower_copyprivate_clauses): Same.
2176 (lower_send_clauses): Same.
2177 (lower_send_shared_vars): Same.
2178 (expand_parallel_call): Same.
2179 (expand_omp_parallel): Same.
2180 (expand_omp_for_generic): Same.
2181 (expand_omp_for_static_nochunk): Same.
2182 (expand_omp_for_static_chunk): Same.
2183 (expand_omp_sections): Same.
2184 (lower_omp_single_copy): Same.
2185 (lower_omp_parallel): Same.
2186 * tree-ssa-dse.c (memory_address_same): Same.
2187 (dse_optimize_stmt): Same.
2188 * ipa-reference.c (scan_for_static_refs): Same.
2189 * tree-gimple.c (is_gimple_reg_rhs): Same.
2190 (get_call_expr_in): Same.
2191 (recalculate_side_effects): Same.
2192 * cgraphunit.c (cgraph_create_edges): Same.
2193 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2194 * tree-ssa-ccp.c (get_default_value): Same.
2195 (likely_value): Same.
2196 (visit_assignment): Same.
2197 (ccp_visit_stmt): Same.
2198 (get_maxval_strlen): Same.
2199 (ccp_fold_builtin): Same.
2200 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2201 (find_givs_in_stmt): Same.
2202 (find_interesting_uses_op): Same.
2203 (find_interesting_uses_stmt): Same.
2204 (rewrite_use_nonlinear_expr): Same.
2205 * ipa-pure-const.c (scan_function): Same.
2206 * tree-stdarg.c (va_list_counter_bump): Same.
2207 (check_all_va_list_escapes): Same.
2208 (execute_optimize_stdarg): Same.
2209 * tree-ssa-math-opts.c (compute_merit): Same.
2210 (insert_reciprocals): Same.
2211 (execute_cse_reciprocals): Same.
2212 * tree-ssa-dom.c (initialize_hash_element): Same.
2213 (simple_iv_increment_p): Same.
2214 (record_equivalences_from_stmt): Same.
2215 (optimize_stmt): Same.
2216 (remove_stmt_or_phi): Same.
2217 (get_rhs_or_phi_arg): Same.
2218 (get_lhs_or_phi_result): Same.
2219 (propagate_rhs_into_lhs): Same.
2220 * tree-nrv.c (tree_nrv): Same.
2221 (execute_return_slot_opt): Same.
2222 * tree-ssa-propagate.c (get_rhs): Same.
2224 (stmt_makes_single_load): Same.
2225 (stmt_makes_single_store): Same.
2226 (replace_vuses_in): Same.
2227 (fold_predicate_in): Same.
2228 (substitute_and_fold): Same.
2229 * tree-ssa-alias.c (compute_call_clobbered): Same.
2230 (recalculate_used_alone): Same.
2231 (count_uses_and_derefs): Same.
2232 (is_escape_site): Same.
2233 (find_used_portions): Same.
2234 * gimple-low.c (lower_stmt): Same.
2235 (block_may_fallthru): Same.
2236 (lower_return_expr): Same.
2237 * tree-ssa-sink.c (is_hidden_global_store): Same.
2238 (statement_sink_location): Same.
2239 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2240 * expr.c (safe_from_p): Same.
2241 (expand_expr_real): Same.
2242 (expand_expr_real_1): Same.
2243 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2244 * predict.c (expr_expected_value): Same.
2245 (strip_builtin_expect): Same.
2246 (apply_return_prediction): Same.
2247 (tree_bb_level_predictions): Same.
2248 (tree_estimate_probability): Same.
2249 * tree-vn.c (vn_compute): Same.
2250 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2251 (remove_stmt_from_eh_region_fn): Same.
2252 (do_return_redirection): Same.
2253 (honor_protect_cleanup_actions): Same.
2254 (lower_try_finally_switch): Same.
2255 (lower_eh_constructs_1): Same.
2256 (tree_could_throw_p): Same.
2257 (verify_eh_throw_stmt_node): Same.
2258 * function.c (gimplify_parameters): Same.
2259 * tree-vectorizer.c (vect_is_simple_use): Same.
2260 (vect_is_simple_reduction): Same.
2261 * ipa-type-escape.c (scan_for_refs): Same.
2262 * tree-if-conv.c (tree_if_conversion): Same.
2263 (tree_if_convert_stmt): Same.
2264 (if_convertible_gimplify_modify_stmt_p): Rename from
2265 if_convertible_modify_expr_p.
2266 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
2267 (ifc_temp_var): Same.
2268 (replace_phi_with_cond_modify_stmt): Rename from
2269 replace_phi_with_cond_modify_expr.
2270 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
2271 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
2272 * tree-data-ref.c (find_data_references_in_loop): Adjust for
2274 * tree-flow-inline.h (var_ann): Same.
2275 (function_ann): Same.
2277 (mark_non_addressable): Same.
2278 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
2279 * gimplify.c (tree_to_gimple_tuple): New.
2280 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
2281 (gimplify_return_expr): Same.
2282 (gimplify_decl_expr): Same.
2283 (gimplify_self_mod_expr): Same.
2284 (gimplify_cond_expr): Same.
2285 (gimplify_init_constructor): Same.
2286 (gimplify_modify_expr): Same.
2287 (gimplify_expr): Same.
2288 (gimplify_function_tree): Same.
2289 (force_gimple_operand): Same.
2290 * tree-ssa-phiopt.c (conditional_replacement): Same.
2291 (minmax_replacement): Same.
2292 (abs_replacement): Same.
2293 * tree-dfa.c (create_var_ann): Same.
2294 (create_function_ann): Same.
2295 (create_stmt_ann): Same.
2296 (create_tree_ann): Same.
2297 (collect_dfa_stats_r): Same.
2298 * tree-ssa-pre.c (find_or_generate_expression): Same.
2299 (create_expression_by_pieces): Same.
2300 (try_look_through_load): Same.
2301 (insert_fake_stores): Same.
2302 (realify_fake_stores): Same.
2303 (compute_avail): Same.
2306 (poolify_modify_stmt): Rename from poolify_modify_stmt.
2307 Adjust for GIMPLE_MODIFY_STMT.
2308 (NECESSARY): Adjust for new `common' layout.
2309 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
2311 * tree-sra.c (sra_walk_modify_stmt): Rename from
2312 sra_walk_modify_expr.
2313 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
2314 (generate_copy_inout): Same.
2315 (generate_element_copy): Same.
2316 (generate_element_zero): Same.
2317 (scalarize_copy): Same.
2318 * tree-mudflap.c (mf_decl_cache_locals): Same.
2319 (mf_build_check_statement_for): Same.
2320 (mf_xform_derefs): Same.
2321 * ipa-prop.c (ipa_method_modify_stmt): Same.
2322 * print-tree.c (print_node): Handle gimple tuples.
2323 Add case for tcc_gimple_stmt.
2324 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
2326 (copy_prop_visit_assignment): Same.
2327 (copy_prop_visit_stmt): Same.
2328 (init_copy_prop): Same.
2329 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
2330 (forward_propagate_into_cond_1): Same.
2331 (find_equivalent_equality_comparison): Same.
2332 (tidy_after_forward_propagate_addr): Same.
2333 (forward_propagate_addr_expr_1): Same.
2334 (simplify_not_neg_expr): Same.
2335 (simplify_switch_expr): Same.
2336 * tree-ssa-dce.c (find_pdom): Same.
2337 (mark_stmt_if_obviously_necessary): Same.
2338 (NECESSARY): Adjust for new `common' layout.
2339 * tree-flow.h: Same.
2340 * tree-vect-patterns.c (widened_name_p): Adjust for
2342 (vect_recog_dot_prod_pattern): Same.
2343 (vect_recog_widen_sum_pattern): Same.
2344 (vect_pattern_recog_1): Same.
2345 * tree-nested.c (init_tmp_var): Same.
2346 (save_tmp_var): Same.
2348 (convert_call_expr): Same.
2349 (finalize_nesting_tree_1): Same.
2350 * tree-ssa.c (verify_ssa): Same.
2351 (delete_tree_ssa): Same.
2352 * lambda-code.c (lbv_to_gcc_expression): Same.
2353 (lle_to_gcc_expression): Same.
2354 (lambda_loopnest_to_gcc_loopnest): Same.
2355 (can_put_in_inner_loop): Same.
2356 (can_convert_to_perfect_nest): Same.
2357 (perfect_nestify): Same.
2358 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
2359 * tree-inline.c (copy_body_r): Same.
2360 (setup_one_parameter): Same.
2361 (initialize_inlined_parameters): Same.
2362 (estimate_num_insns_1): Same.
2363 (expand_call_inline): Same.
2364 (gimple_expand_calls_inline): Same.
2365 (copy_tree_r): Same.
2366 * tree-optimize.c (execute_free_cfg_annotations): Same.
2367 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2368 (vect_align_data_ref): Same.
2369 (vect_create_data_ref_ptr): Same.
2370 (vect_init_vector): Same.
2371 (vect_create_epilog_for_reduction): Same.
2372 (vectorizable_reduction): Same.
2373 (vectorizable_assignment): Same.
2374 (vectorizable_operation): Same.
2375 (vectorizable_store): Same.
2376 (vectorizable_load): Same.
2377 (vectorizable_live_operation): Same.
2378 (vectorizable_condition): Same.
2379 (vect_generate_tmps_on_preheader): Same.
2380 (vect_create_cond_for_align_checks): Same.
2381 * tree-object-size.c (collect_object_sizes_for): Same.
2382 (check_for_plus_in_loops_1): Same.
2383 (check_for_plus_in_loops): Same.
2384 * tree-outof-ssa.c (insert_copy_on_edge): Same.
2385 (replace_use_variable): Same.
2386 (check_replaceable): Same.
2387 (rewrite_trees): Same.
2388 (identical_copies_p): Same.
2389 (insert_backedge_copies): Same.
2390 * tree-profile.c (tree_gen_edge_profiler): Same.
2391 * tree-vect-generic.c (expand_vector_operations_1): Same.
2392 * tree-ssa-structalias.c (update_alias_info): Same.
2393 (find_func_aliases): Same.
2394 * tree-cfg.c (factor_computed_gotos): Same.
2396 (make_goto_expr_edges): Same.
2397 (tree_merge_blocks): Same.
2398 (remove_useless_stmts_cond): Same.
2399 (remove_useless_stmts_1): Same.
2400 (tree_find_edge_insert_loc): Same.
2401 (verify_expr): Same.
2402 (gimplify_val): Same.
2403 (verify_gimple_tuples_1): New.
2404 (verify_gimple_tuples): New.
2405 (verify_stmts): Call verify_gimple_tuples.
2406 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
2407 (get_unary_op): Same.
2408 (linearize_expr): Same.
2409 (get_single_immediate_use): Same.
2410 (negate_value): Same.
2411 (should_break_up_subtract): Same.
2412 (break_up_subtract): Same.
2413 (repropagate_negates): Same.
2414 (break_up_subtract_bb): Same.
2415 (reassociate_bb): Same.
2416 * config/i386/i386.c (ix86_va_start): Same.
2417 (ix86_gimplify_va_arg): Same.
2418 * stmt.c (expand_expr_stmt): Same.
2419 (warn_if_unused_value): Same.
2420 (expand_return): Same.
2421 * tree-ssanames.c (make_ssa_name): Same.
2422 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2423 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2424 (add_virtual_operand): Same.
2425 (get_expr_operands): Same.
2426 (parse_ssa_operands): Same.
2427 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2429 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2431 * config.host: Remove extra blank line.
2433 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2435 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2436 target is also an x86 variant.
2438 2006-12-05 Richard Guenther <rguenther@suse.de>
2440 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2441 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2442 (ix86_builtin_vectorized_function): New function to vectorize
2445 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2447 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2448 ia64_override_options.
2450 2006-12-04 Jan Hubicka <jh@suse.cz>
2452 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2455 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2457 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2458 * config/bfin/bfin.c: Include "timevar.h".
2459 (bfin_flag_schedule_insns2, splitting_for_sched,
2460 bfin_flag_var_tracking): New variables.
2461 (print_operand): Handle '%!'.
2462 (override_options): Disable normal sched2 pass, instead set
2463 bfin_flag_schedule_insns2 for reorg to handle it.
2464 (output_file_start): Likewise for var-tracking.
2465 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2466 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2468 (bfin_reorg): Do second scheduling pass here, and call
2469 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2470 of examining insns directly. If bfin_flag_var_tracking, call
2471 var-tracking pass when done with everything else.
2472 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2473 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2474 (movsi_insn32): New pattern, with two new splits to create it
2475 before the final scheduling pass.
2476 (neghi2): Not a dsp32 insn, rather alu0.
2477 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2478 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2479 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2480 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2481 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2482 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2483 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2484 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2485 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2486 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2487 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2488 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2489 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2490 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2491 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2492 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2493 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2494 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2495 variants instead of ';'.
2496 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2497 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2498 (align8, align16, align24): Now named patterns; also using '%!'.
2501 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2503 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2504 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2506 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2508 * config/spu/spu-protos.c (spu_split_address): Add.
2509 * config/spu/spu.c (spu_split_address): Add.
2510 (print_operand): Handle HIGH.
2511 (spu_legitimate_address): Don't test for aligned CONST.
2512 (spu_expand_mov): Don't split addresses here.
2513 * config/spu/constraints.md (A): Don't test legitimate_const.
2514 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2515 (ceq_di): Use correct predicates.
2517 2006-12-04 Eric Christopher <echristo@apple.com>
2519 * config/darwin.h: Update copyright notice.
2520 * config/i386/darwin.h: Ditto.
2522 2006-12-04 Jan Hubicka <jh@suse.cz>
2524 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2525 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2527 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2529 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2531 * tree-ssa-structalias.c (set_used_smts): Export.
2532 (find_what_p_points_to): Don't call set_used_smts here.
2533 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2535 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2537 * tree-ssa-alias.c (compute_may_aliases):
2538 Compute flow sensitive before flow insensitive.
2539 (compute_flow_sensitive_aliasing): Don't try to add
2540 a symbol memory tag to itself.
2542 * alias.h (alias_set_subset_of): New prototype.
2544 * alias.c (alias_set_subset_of): New function.
2546 * tree-ssa-structalias.c: Update comments.
2547 (struct variable_info): Add finished_solution.
2548 (new_varinfo): Set finished solution to NULL.
2549 (var_escaped_vars): Remove.
2550 (escaped_vars_tree): Remove.
2551 (escaped_vars_id): Remove.
2552 (nonlocal_vars_id): Remove.
2553 (constraint_expr_type): Add INCLUDES.
2554 (graph_size): Removed.
2555 (dump_constraint): Support INCLUDES.
2556 (build_constraint_graph): Ditto.
2557 (collapse_nodes): Add merge_solutions argument.
2558 Don't merge attributes.
2559 (process_unification_queue): Just use collapse_nodes.
2560 (perform_var_substitution): Update call to collapse_nodes.
2561 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2562 (process_constraint): Fix non-field sensitive handling
2564 (get_constraint_for): Use INCLUDES.
2565 (make_constraint_from_anything): Renamed from
2566 make_constraint_from_escaped.
2567 (make_constraint_to_escaped): Removed.
2568 (find_global_initializers): Removed.
2569 (create_variable_info_for): Do not make constraints to escaped
2571 (dump_solution_for_var): Don't print out the equivalent points-to
2572 sets, just use the name of the variable it shares it with.
2573 (intra_create_variable_infos): Use INCLUDES.
2574 Change nonlocal variable sets to anything sets.
2575 (init_base_vars): Remove escaped_vars and nonlocal_var
2577 (find_escape_constraints): Removed.
2578 (delete_points_to_sets): Remove dead code.
2579 (used_smt_calculated): New variable.
2580 (set_used_smts): New function.
2581 (merge_smts_into): New function.
2582 (find_what_p_points_to): Modify to use SMTs.
2583 (create_nonlocal_var): Remove.
2585 * tree-ssa-operands.c (access_can_touch_variable): Remove
2586 reference to nonlocal_all.
2588 * tree-ssa.c (verify_name_tags): Remove.
2590 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2592 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2593 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2595 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2597 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2598 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2599 (add_livein_if_notdef): Delete.
2600 (loe_visit_block): New. Propogate live on entry info for a block into
2601 each predecessor. If it changes, make sure it is visited again.
2602 (live_worklist): Visit every block and update the live on entry info
2603 for preds. Iterate over any that changed.
2604 (set_var_live_on_entry): Populate the live on entry blocks with bits
2605 based on the immediate uses of a var.
2606 (calculate_live_on_entry): Remove.
2607 (calculate_live_on_exit): Calculate live on exit based on the newly
2608 oriented live on entry bits.
2609 (calculate_live_ranges): Build live on entry and exit vectors.
2610 (dump_live_info): Use new orientation of live on entry bitmaps.
2611 (verify_live_on_entry): New. Split out verification code from old
2612 calculate_live_on_entry routine.
2613 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2614 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2615 basic_block instead of for a partition.
2616 (live_merge_and_clear): Add asserts.
2617 (make_live_on_entry): Set partition bit in basic block vector.
2619 2006-12-04 Jakub Jelinek <jakub@redhat.com>
2622 * omp-low.c (expand_omp_for_static_nochunk,
2623 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2627 * omp-low.c (determine_parallel_type): Don't try to optimize combined
2628 parallels if region->exit or region->inner->exit is NULL.
2629 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
2631 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
2632 (expand_omp_for): Use expand_omp_for_generic if either region->cond
2633 or region->exit is NULL.
2634 (expand_omp_sections): Handle NULL region->cond or region->exit.
2637 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2639 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
2640 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2642 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
2644 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
2645 TYPE_MAX_VALUE for scalar types here but...
2646 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
2647 is attached an error mark, and the return value of the callback
2648 if it is not NULL_TREE.
2650 2006-12-04 Ben Elliston <bje@au.ibm.com>
2652 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
2654 2006-12-03 Eric Christopher <echristo@apple.com>
2657 * config/t-slibgcc-darwin: Pass -install_name.
2658 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
2659 libtool. Only pass through options that the linker recognizes.
2660 (LINK_SPEC): Update comment. Translate options.
2661 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
2662 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
2664 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
2666 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
2668 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
2671 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
2672 operands[1] in insn constraint. Correct type attribute to sselog1.
2674 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
2677 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
2679 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
2680 processor detection.
2682 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
2683 -march=native if there is no -mtune=*.
2685 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
2688 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2690 * doc/install.texi: Update recommended MPFR version. Remove
2691 obsolete reference to cumulative patch.
2693 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
2696 * c-decl.c (store_parm_decls_oldstyle): Robustify.
2698 2006-11-30 Jan Hubicka <jh@suse.cz>
2699 Uros Bizjak <ubizjak@gmail.com>
2701 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
2702 32bit memcpy/memset decriptors.
2703 (decide_alg): With -minline-all-stringops and sizes that are best
2704 to be copied via libcall still work hard enough to pick non-libcall
2707 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
2709 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
2711 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
2712 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
2713 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
2714 config/sh/sh4-300.md, config/spu/spu-builtins.def,
2715 config/spu/spu-c.c, config/spu/spu-modes.def,
2716 config/spu/spu.c, config/spu/spu.md,
2717 config/spu/spu_internals.h, config/spu/vmx2spu.h,
2718 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
2719 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
2720 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
2721 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
2722 spelling conventions.
2724 * config/i386/i386.c: Fix a comment typo.
2726 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2728 * config/spu/spu.c (spu_immediate): Remove trailing comma.
2729 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
2730 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
2731 better optimization.
2732 (floatv4siv4sf2): New.
2733 (fix_truncv4sfv4si2): New.
2734 (floatunsv4siv4sf2): New.
2735 (fixuns_truncv4sfv4si2): New.
2743 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
2744 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
2745 spu_resolve_overloaded_builtin instead of static inline functions.
2747 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
2749 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
2750 type instead of the size of its mode to compute the highest and
2751 lowest possible values. Still check the size of the mode before
2752 flipping the signedness of the comparison.
2754 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2756 * config/spu/predicates.md (spu_mov_operand): Add.
2757 * config/spu/spu.c (spu_expand_extv): Remove unused code.
2758 (print_operand_address, print_operand): Handle addresses containing AND.
2759 (spu_split_load, spu_split_store): Use updated movti pattern.
2760 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
2761 stores in mov patterns for correct operation of reload.
2762 (lq, lq_<mode>, stq, stq_<mode>): Remove.
2764 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2767 * c-common.c (check_main_parameter_types): Check for error_mark_node.
2769 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
2771 * common.opt (ftree-combine-temps): Remove.
2772 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
2773 (coalesce_ssa_name): Don't check for combine-temps.
2774 (coalesce_vars): Remove.
2775 (check_replaceable): Use num_imm_uses.
2776 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
2777 check for combine-temps.
2778 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
2779 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
2780 to register_ssa_partition calls.
2781 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
2782 (init_var_map, delete_var_map): remove refernces to ref_count.
2783 (create_ssa_var_map): Never calculate a ref count.
2784 (type_var_init): Remove.
2785 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
2786 (SSA_VAR_MAP_REF_COUNT): Delete.
2787 (create_ssa_var_map): Change Prototype to have no parameters.
2788 (version_ref_count): Delete.
2789 (register_ssa_partition): Remove 'is_use' paramater and don't set the
2791 (type_var_num, type_var, type_var_first_partition,
2792 type_var_next_partition, type_var_dump, type_var_delete,
2793 type_var_remove_partition, type_var_find, type_var_compact,
2794 type_var_decompact): Remove.
2796 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2798 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
2801 2006-12-01 Richard Guenther <rguenther@suse.de>
2804 * dwarf2out.c (struct pubname_struct): Make name const.
2805 (add_pubtype): Do not xstrdup identifiers.
2807 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2809 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
2810 multiword accesses are in range.
2812 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
2814 PR tree-optimization/29921
2815 * tree-ssa-ccp.c (canonicalize_float_value): New function.
2816 (set_lattice_value): Use canonicalize_float_value.
2818 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
2820 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
2821 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
2822 (spu_cpu_cpp_builtins): Remove.
2823 (spu_override_options): Don't set warn_main.
2824 (spu_force_reg): Move from spu-c.c.
2825 (spu_check_builtin_parm): Likewise.
2826 (expand_builtin_args): Likewise.
2827 (spu_expand_builtin_1): Likewise.
2828 (spu_expand_builtin): Likewise.
2829 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
2830 warn_main and targetm.resolve_overloaded_builtin.
2831 * config/spu/spu-c.c (spu_builtin_range): Remove.
2832 (spu_check_builtin_parm): Remove.
2833 (expand_builtin_args): Remove.
2834 (spu_expand_builtin_1): Remove.
2835 (spu_expand_builtin): Remove.
2836 (spu_cpu_cpp_builtins): Moved from spu.c
2837 (spu_force_reg): Remove.
2839 2006-12-01 Joseph Myers <joseph@codesourcery.com>
2840 David Edelsohn <edelsohn@gnu.org>
2843 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
2844 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
2845 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
2846 HARD_REGNO_NREGS_WITH_PADDING): Define.
2847 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
2848 HARD_REGNO_NREGS_WITH_PADDING): Define.
2849 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
2850 Use new macros to detect modes with holes; do not look at integer
2852 (subreg_offset_representable_p): Check for and disallow cases
2853 where the modes use different numbers of bits from registers.
2854 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
2855 constant for soft-float.
2856 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
2858 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
2859 in E500 double case.
2860 * config/rs6000/rs6000.md (movtf): Allow soft-float.
2861 (movtf_softfloat): New.
2863 2006-11-30 Richard Sandiford <richard@codesourcery.com>
2865 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
2866 simplify_gen_subreg.
2868 2006-11-30 Andrew Macleod <amacleod@redhat.com>
2870 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
2871 (COALESCE_HASH_FN): New. Define hash function.
2872 (partition_pair_map_hash): New. Hash value for a partition pair.
2873 (partition_pair_map_eq): New. Equality for hash pairs.
2874 (create_coalesce_list): Create hash table.
2875 (delete_coalesce_list): Free hash table.
2876 (find_partition_pair): Find/create pairs in hash table.
2877 (compare_pairs): Sort pairs in ascending order now.
2878 (num_coalesce_pairs): New. Number of pairs in hash table.
2879 (struct partition_pair_iterator): Iterator struct for pair table.
2880 (first_partition_pair): Iterator function for first pair.
2881 (end_partition_pair_p): Iterator function for end of iteration.
2882 (next_partition_pair): Iterator function for next pair.
2883 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
2884 (sort_coalesce_list): Sort pairs from hash table into an array.
2885 (pop_best_coalesce): Take pairs from the array.
2886 (dump_coalesce_list): Update to use hash table or sorted array.
2887 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
2888 (struct coalesce_list_d): Add hash table related fields.
2890 2006-11-30 Jan Hubicka <jh@suse.cz>
2893 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
2894 memmove/bcopy->memcpy conversion.
2896 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
2898 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
2899 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
2900 Default is the largest alignment supported for 32-bit ELF and
2901 representable on a 32-bit host.
2903 2006-11-30 Janis Johnson <janis187@us.ibm.com>
2905 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
2907 2006-11-30 Jan Hubicka <jh@suse.cz>
2909 * tree-ssa-operands.h (struct ssa_operands): New.
2910 * tree-flow-inline.h (gimple_ssa_operands): New function.
2911 * tree-flow.h: (struct gimple_df): Add ssa_operands.
2912 * Makefile.in: Remove gt-tree-ssa-operands.h
2913 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
2914 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
2915 operand_memory, operand_memory_index, ops_active): Remove statics.
2916 (ALLOC_OPTYPE): Update.
2917 (operand_build_sort_virtual): Update.
2918 (ssa_operands_active): Update.
2919 (init_ssa_operands): Update.
2920 (fini_ssa_operands): Update.
2921 (ssa_operand_alloc): Update.
2922 (INITIALIZE_USE): Update.
2923 (finalize_ssa_use_ops): Update.
2924 (finalize_ssa_v_may_def_ops): Update.
2925 (finalize_ssa_vuse_ops): Update.
2926 (finalize_ssa_v_must_def_ops): Update.
2928 2006-11-30 Richard Guenther <rguenther@suse.de>
2930 * tree-vectorizer.h (vectorizable_function): Export.
2931 * tree-vect-transform.c (vectorizable_function): Likewise.
2932 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
2933 type_in to scalar type in recognition of squaring.
2934 Make sure the target can vectorize sqrt in recognition
2935 of sqrt, set type_in to vector type in this case.
2937 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2939 * config/i386/i386.md (R10_REG): New constant.
2940 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
2941 (ix86_emit_restore_regs_using_mov): Ditto.
2942 (ix86_expand_call): Ditto.
2943 (x86_output_mi_thunk): Ditto. Also use R10_REG.
2945 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2947 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
2948 * alias.c (canon_true_dependence): Update comment.
2950 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2952 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
2953 at the end of a diagnostics message.
2955 * alloc-pool.c (pool_free): Postpone clearing the pool entry
2956 until after asserting that it was allocated in the right pool.
2958 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
2959 successor edge information as well. Make output of live regs
2960 on exit consistent with live regs on entry.
2962 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2965 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
2966 insn patterns for TARGET_80387.
2967 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
2968 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
2969 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
2970 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
2971 Generate truncxf<mode>2 insn patterns for strict SSE math.
2973 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2975 * config/i386/i386.md (movsf_1): Enable pattern for standard
2976 80387 constants before reload when optimizing for size.
2977 (*movdf_nointeger, *movdf_integer): Ditto.
2978 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
2979 80387 constants before reload when not optimizing for size.
2981 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
2982 extension of XFmode input operands.
2984 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2986 * config/spu/crt0.c (__dso_handle): Define.
2988 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
2990 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
2991 when clearing the used flags.
2993 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2995 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
2997 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3000 * config/spu/spu.md (extend_compare<mode>): New pattern.
3001 (extend_compare): Change to expand and use the above pattern.
3003 2006-11-29 Janis Johnson <janis187@us.ibm.com>
3005 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
3007 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
3008 (DFP_INIT_ROUNDMODE): Define.
3009 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
3010 * mklibgcc.in: Fix dependencies for dfp-bit.c.
3012 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
3014 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
3015 Update documentation.
3016 (associate_line_notes_with_blocks): Kill.
3017 (extend_bb): Remove basic block argument, put void instead.
3018 Remove line number handling for each bb.
3019 (save_line_notes): Kill.
3020 (restore_line_notes): Kill.
3021 (sched_init): Remove line_note_head initialization.
3022 Change extend_bb call.
3023 (sched_finish): Remove free of line_note_head.
3024 (add_block): Change extend_bb call.
3025 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
3026 rm_line_notes and restore_line_notes calls.
3027 (schedule_ebbs): Remove rm_redundant_line_notes.
3028 * sched-int.h (struct haifa_insn_data): Remove line_note.
3029 (save_line_notes): Remove declaration.
3030 (restore_line_notes): Remove declaration.
3031 * modulo-sched.c (loop_canon_p): Update debug info printing
3032 by using insn locators instead of line note.
3033 (sms_schedule): Update debug info printing, by using insn
3034 locators instead of line note.
3035 * sched-rgn.c (debug_dependencies): Remove handling of case
3036 n>0 (line number), since it's a dead code.
3037 (schedule_region): Remove save_line_notes and
3038 restore_line_notes calls.
3040 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3042 * config/rs6000/predicates.md (gpc_reg_operand): Check
3043 invalid_e500_subreg.
3044 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
3045 SImode subregs of SPE vectors.
3046 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
3047 * jump.c (true_regnum): Require subregs to satisfy
3048 subreg_offset_representable_p.
3050 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
3051 Steven Bosscher <stevenb.gcc@gmail.com>
3053 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
3054 since it no longer exists.
3056 2006-11-29 Duncan Sands <baldrick@free.fr>
3058 PR tree-optimization/23744
3059 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
3061 2006-11-29 Duncan Sands <baldrick@free.fr>
3063 PR tree-optimization/23744
3064 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
3066 2006-11-29 Duncan Sands <baldrick@free.fr>
3068 PR tree-optimization/23744
3069 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
3071 2006-11-29 Jie Zhang <jie.zhang@analog.com>
3073 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
3075 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
3077 * sh.opt (minline-ic_invalidate): New option.
3078 (musermode): Adjust comment.
3079 * sh.c (sh_initialize_trampoline): Emit library call unless
3080 is set; if it is set, don't emit library call if we can use icbi
3082 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
3083 icbi for TARGET_SH4_300.
3084 * t-sh (LIB1ASMFUNCS_CACHE): Set.
3085 * doc/invoke.texi: Document -minline-ic_invalidate; Update
3086 -musermode documentation.
3088 2006-11-29 Jim Tison <jtison@us.ibm.com>
3090 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
3091 __gthread_recursive_mutex_init): Define.
3093 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3095 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
3096 STRICT_ALIGNMENT and the type is more aligned than the saved
3097 registers, copy via a temporary.
3099 2006-11-28 Andrew Pinski <pinskia@gmail.com>
3102 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
3105 2006-11-28 Bob Wilson <bob.wilson@acm.org>
3107 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
3109 2006-11-28 Jan Hubicka <jh@suse.cz>
3111 Privatize SSA variables into gimple_df.
3112 * tree-flow-inline.h
3113 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
3114 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
3115 gimple_nonlocal_all): New accessors.
3116 (first_referenced_var): Update.
3117 (mark_stmt_modified): Update.
3118 (is_call_clobbered): Update.
3119 (mark_call_clobbered): Update.
3120 (clear_call_clobbered): Update.
3121 (mark_non_addressable): Update.
3122 * tree-vrp.c (get_value_range): Update.
3123 * tree-into-ssa.c (in_ssa_p): Kill.
3124 (get_default_def_for): Update.
3125 (rewrite_into_ssa): Update.
3126 * tree-complex.c (init_parameter_lattice_values): Update.
3127 (update_complex_assignment): Update.
3128 (update_parameter_components): Update.
3129 (expand_complex_libcall): Update.
3130 (expand_complex_operations_1): Update.
3131 * tree-tailcall.c (arg_needs_copy_p): Update.
3132 (add_virtual_phis): Update.
3133 (tree_optimize_tail_calls_1): Update.
3134 * tree-ssa-dse.c (memory_ssa_name_same): Update.
3135 * tree-ssa-copyrename.c
3136 (copy_rename_partition_coalesce): Update.
3137 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3138 * tree-ssa-propagate.c (set_rhs): Update.
3139 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3140 addressable_vars, global_var):Kill.
3141 (set_initial_properties): Update.
3142 (init_alias_info): Update.
3143 (finalize_ref_all_pointers): Update.
3144 (setup_pointers_and_addressables): Update.
3145 (maybe_create_global_var): Update.
3146 (create_global_var): Update.
3147 (dump_points_to_info): Update.
3148 * function.h (struct gimple_df): Forward declare.
3149 (struct function): Add GIMPLE_DF field.
3150 * gimplify.c (force_gimple_operand): Update.
3151 * tree-dfa.c (referenced_vars, default_defs): KIll.
3152 (make_rename_temp): Update.
3153 (dump_variable): Update.
3154 (referenced_var_lookup): Update.
3155 (referenced_var_check_and_insert): Update.
3156 (default_def): Rename to ...
3157 (gimple_default_def): ... this one; accept cfun argument.
3158 (set_default_def): Update.
3159 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3160 (cleanup_control_flow): Update.
3161 * tree-ssa-pre.c (compute_avail): Update
3162 * tree-ssa-live.c (calculate_live_on_entry): Update.
3163 * tree-ssa.c (verify_use): Update.
3164 (verify_call_clobbering): Update.
3165 (verify_call_clobbering): Update.
3166 (init_tree_ssa): Update.
3167 (delete_tree_ssa): Update.
3168 * tree-outof-ssa.c (coalesce_ssa_name): Update.
3169 (rewrite_out_of_ssa): Update.
3170 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3171 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3173 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3174 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3175 addressable_vars, aliases_computed_p): Kill.
3176 (default_def): Rename to...
3177 (gimple_default_def): ... this one.
3178 (defaule_def_fn): Kill.
3179 (num_referenced_vars, ssa_names, num_ssa_names): Update.
3180 * tree-ssa-structalias.c (nonlocal_all): Kill.
3181 (get_constraint_exp_from_ssa_var): Update.
3182 (create_nonlocal_var): Update.
3183 (get_constraint_for): Update.
3184 (update_alias_info): Update.
3185 (find_global_initializers): Update.
3186 (intra_create_variable_infos): Update.
3187 (intra_create_variable_infos):
3188 (find_what_p_points_to): Update.
3189 (init_alias_heapvars): Update.
3190 * tree-cfg.c (remove_bb): Update.
3191 (gimplify_val): Update.
3192 * tree-ssa-reassoc.c (get_rank): Update.
3193 (init_reassoc): Update.
3194 * tree-ssanames.c: Do not include gt-tree-ssanames.h
3195 (ssa_names, free_ssanames): Kill.
3196 (init_ssanames): Update.
3197 (make_ssa_name): Update.
3198 (release_ssa_name): Update.
3199 (release_defs): Update.
3200 (replace_ssa_name_symbol): Update.
3201 * tree-ssa-operands.c (access_can_touch_variable): Update.
3202 (add_virtual_operand): Update.
3203 (add_call_clobber_ops): Update.
3204 (add_call_read_ops): Update.
3205 (get_call_expr_operands): Update.
3206 (get_asm_expr_operands): Update.
3208 2006-11-28 Jan Hubicka <jh@suse.cz>
3210 * builtins.c: Include tree-flow.h.
3211 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3212 assignment; convert memmove to memcpy for sizes greater than 1 where
3213 alignment of operands prohibit the partial overlap.
3215 2006-11-28 Jan Hubicka <jh@suse.cz>
3217 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3218 * cgraph.c (dump_cgraph_node): Dump stack usage.
3219 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3220 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3221 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3222 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3223 (cgraph_check_inline_limits): Limit stack growth.
3224 * cfgexpand.c: Include tree-inline.h.
3225 (account_stack_vars): New function.
3226 (expand_one_var): New param to just account the stack; return estimated
3228 (expand_used_vars_for_block): Update call of expand_one_var.
3229 (account_used_vars_for_block): New function.
3230 (estimated_stack_frame_size): Likewise.
3231 (init_vars_expansion, fini_vars_expansion): Break out from..
3232 (expand_used_vars): ... here.
3233 * tree-inline.h (estimated_stack_frame_size): Declare.
3234 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3236 2006-11-28 Richard Guenther <rguenther@suse.de>
3238 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3239 unsigned long for printing OBJECT_SIZE.
3241 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
3243 * alias.c (init_alias_analysis): Remove simplification loop
3244 after propagating pointers.
3246 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3248 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3251 2006-11-27 Bob Wilson <bob.wilson@acm.org>
3253 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3255 2006-11-27 Roger Sayle <roger@eyesopen.com>
3256 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3258 * c-common.c (constant_fits_type_p): Delete.
3259 (unsigned_conversion_warning): Delete.
3260 (conversion_warning): Integrate Wconversion warning from
3261 unsigned_conversion_warning.
3262 (convert_and_check): Integrate Woverflow warning from
3263 unsigned_conversion_warning. Reorganize and simplify to avoid
3264 dependence upon the middle-end setting TREE_OVERFLOW on integral
3265 conversions, by using int_fits_type_p directly.
3267 2006-11-27 Tobias Burnus <burnus@net-b.de>
3269 * doc/invoke.texi: Fixed typo.
3271 2006-11-27 Michael Matz <matz@suse.de>
3272 Andreas Krebbel <krebbel1@de.ibm.com>
3275 * config/s390/predicates.md (larl_operand): Check addend of larl
3276 operand to be in range of -/+2GB.
3277 * config/s390/s390.c (legitimize_pic_address): Likewise.
3278 Changed type of variable even to HOST_WIDE_INT.
3280 2006-11-27 Jan Hubicka <jh@suse.cz>
3282 * expr.c (emit_block_move_via_libcall): Export.
3283 (clear_storage_via_libcall): Rename to ...
3284 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
3285 (clear_storage): Update to set_storage_via_libcall.
3286 * expr.h (emit_block_move_via_libcall): Declare
3287 * config/i386/i386.h (stringop_alg): New enum.
3288 (MAX_STRINGOP_ALGS): New constant.
3289 (stringop_algs): New struct.
3290 (processor_costs): Add memcpy/memset descriptors.
3291 (TARGET_REP_MOVEL_OPTIMAL): Remove.
3292 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
3293 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
3295 * config/i386/i386.opt (minline-stringops-dynamically,
3296 mstringop-strategy): New
3298 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
3299 (ix86_expand-clrmem): Rename to ...
3300 (ix86_expand_setmem): ... this one; update prototype.
3301 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
3302 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
3303 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
3304 nocona_cost, core2_cost, generic_cost, generic64_cost,
3305 generic32_cost): Add memcpy/memset descriptors.
3306 (x86_rep_movl_optimal): Remove.
3307 (stringop_alg): New static variable.
3308 (ix86_expand_aligntest): Handle predictions.
3309 (override_options): Add strgop_alg handling.
3310 (predict_jump): New function.
3311 (scale_counter): New function.
3312 (expand_set_or_movmem_via_loop): New function.
3313 (expand_movmem_via_rep_mov): New function.
3314 (expand_setmem_via_rep_stots): New function.
3315 (emit_strmov): New function.
3316 (expand_movmem_epilogue): New function.
3317 (expand_setmem_epilogue_via_loop): New function.
3318 (expand_setmem_epilogue): New function.
3319 (expand_movmem_prologue): New function.
3320 (expand_setmem_prologue): New function.
3321 (decide_alg): New function.
3322 (decide_alignment): New function.
3323 (ix86_exand_movmem): Rewrite.
3324 (promote_duplicated_reg): New function.
3325 (ix86_expand_clrmem): Rename to ...
3326 (ix86_expand_setmem): ... this one. Rewrite.
3328 * invoke.texi (minline-stringops-dynamically): New command line option.
3329 (mstringop-strategy): Likewise.
3331 2006-11-27 Jan Hubicka <jh@suse.cz>
3333 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
3334 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
3335 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
3336 * insn-notes.def (FUNCTION_END): Remove.
3337 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
3338 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
3340 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
3341 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
3342 * cfglayout.c (duplicate_insn_chain): Don't worry about
3345 2006-11-27 Richard Guenther <rguenther@suse.de>
3346 Zdenek Dvorak <dvorakz@suse.cz>
3348 * target.h (struct gcc_target): Add builtin_vectorized_function
3350 * target-def.h (TARGET_VECTORIZE): Likewise.
3351 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3352 Document new target hook.
3353 * targhooks.h (default_builtin_vectorized_function): Declare.
3354 * targhooks.c (default_builtin_vectorized_function): Define.
3355 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
3356 (vectorizable_call): Declare.
3357 * tree-vect-analyze.c (vect_analyze_operations): Call
3359 * tree-vect-transform.c (vectorizable_function): New static function.
3360 (build_vectorized_function_call): Likewise.
3361 (vectorizable_call): New function.
3362 (vect_transform_stmt): Handle vectorizable calls.
3364 2006-11-27 Richard Guenther <rguenther@suse.de>
3367 * builtins.c (expand_builtin_pow): Optimize non integer valued
3368 constant exponents using sqrt or cbrt if possible. Always fall back
3369 to expanding via optabs.
3371 2006-11-27 Ira Rosen <irar@il.ibm.com>
3373 PR tree-optimization/22372
3374 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
3375 the type of the base address.
3376 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
3377 it in the data-ref pointer creation.
3378 (vect_init_vector): Add an argument, type of the init vector. Use it in
3380 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
3381 (get_initial_def_for_reduction): Likewise.
3382 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
3384 (vectorizable_assignment, vect_permute_store_chain): Likewise.
3385 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
3386 correct type in stmt creation.
3387 (vect_setup_realignment): Use the correct type in stmt creation.
3388 (vect_permute_load_chain): Change type of MODIFY_EXPR to
3390 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
3391 of MODIFY_EXPR to void_type_node.
3392 (vectorizable_condition): Change type of MODIFY_EXPR to
3394 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3397 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3400 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3401 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3402 standard 80387 constants, raise the cost to prevent
3403 compress_float_constant() to generate load from memory.
3405 * config/i386/i386.md: Add new splitter pattern to split
3406 float_extended load of constant from constant pool into
3409 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3411 * doc/install.texi: Move GMP/MPFR configure options from Fortran
3412 section to general section. Remove documentation for
3413 --with-mpfr-dir and --with-gmp-dir, add documentation for
3414 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3417 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3419 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3421 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3423 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3425 PR tree-optimization/29122
3426 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3427 for the new version. Assign NULL to DECL_RTL of the new version.
3429 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3431 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3433 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3435 * cse.c (cse_altered): Remove.
3436 (record_jump_equiv): Make true/false argument a bool instead
3438 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3439 where appropriate. Emit a new jump before the existing one
3440 instead of after so that delete_insn_and_edges removes the
3441 dead edges properly. Check any_condjump_p before calling
3443 (cse_basic_block): Check any_condjump_p before calling
3445 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3447 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3449 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3450 -ffixed-line-length-* options.
3452 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3454 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3455 (fprem1xf4): Rename to fprem1xf4_i387.
3457 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3458 Rename patterns to fmod<mode>3. Use general_operand operand
3459 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3460 patterns for SSE math.
3461 (remaindersf3, remainderdf3): Ditto.
3463 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3465 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3466 inside start_sequence / end_sequence pair.
3468 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3470 * jump.c (mark_all_labels): Work in cfglayout mode.
3471 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3472 when in cfglayout mode, because there are no dead jumptables
3474 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3476 (commit_edge_insertions): Do not allow insertion of instructions
3477 with control flow insns when in cfglayout mode.
3479 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3481 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3483 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3484 unswitch_loop): Ditto.
3485 * tree-loop-linear.c (linear_transform_loops): Ditto.
3486 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3487 tree_ssa_lim): Ditto.
3488 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3489 free_numbers_of_iterations_estimates): Ditto.
3490 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3491 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3492 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3493 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3494 place_new_loop, duplicate_loop, duplicate_subloops,
3495 update_single_exit_for_duplicated_loops, copy_loops_to,
3496 duplicate_loop_to_header_edge, create_preheaders,
3497 force_single_succ_latches, loop_version, fix_loop_structure):
3499 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3500 tree_unroll_loop): Ditto.
3501 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3502 * tree-scalar-evolution.c (select_loops_exit_conditions,
3503 scev_initialize, scev_analysis): Ditto.
3504 * tree-scalar-evolution.h (scev_initialize): Ditto.
3505 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3506 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3507 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3508 * modulo-sched.c (sms_schedule): Ditto.
3509 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3510 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3511 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3512 * ifcvt.c (if_convert): Ditto.
3513 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3514 canonicalize_loop_induction_variables,
3515 canonicalize_induction_variables,
3516 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3517 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3518 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3519 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3520 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3521 tree_ssa_loop_done): Ditto.
3522 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3523 estimate_bb_frequencies): Ditto.
3524 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3525 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3526 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3527 decide_unrolling_and_peeling, peel_loop_completely,
3528 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3529 peel_loop_simple, unroll_loop_stupid): Ditto.
3530 * loop-doloop.c (doloop_optimize_loops): Ditto.
3531 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3532 * loop-invariant.c (move_loop_invariants): Ditto.
3533 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3534 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3535 tree_ssa_prefetch_arrays): Ditto.
3536 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3538 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3539 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3540 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3541 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3542 verify_loop_structure): Ditto.
3543 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3544 canonicalize_induction_variables, tree_unroll_loops_completely,
3545 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3546 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3547 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3548 tree_unroll_loop, linear_transform_loops): Declaration changed.
3549 * basic-block.h: Remove declaration of struct loops.
3550 * cfghooks.h (struct cfg_hooks): Change type of
3551 cfg_hook_duplicate_loop_to_header_edge.
3552 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3553 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3554 vect_transform_loop): Declaration changed.
3555 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3556 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3557 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3558 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3559 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3560 loopify, loop_version, remove_path, unswitch_loops,
3561 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3562 Declaration changed.
3564 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3566 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3567 (X87MODEF): New mode macro.
3568 (ssemodefsuffix): New mode attribute.
3569 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3570 (sqrt_extend<mode>xf2_i387): New insn pattern.
3571 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3572 insn and truncate result back to original mode using
3573 UNSPEC_TRUNC_NOOP truncation.
3574 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3575 ssemodefsuffix mode attribute.
3576 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3577 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3578 (*sqrtextenddfxf2_i387): Remove insn patterns.
3580 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3581 truncation patterns.
3583 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3585 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3588 * c-tree.h (c_maybe_initialize_eh): New prototype.
3589 * c-decl.c (finish_decl): Move EH initialization...
3590 (c_maybe_initialize_eh): ... here. New function.
3591 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3592 if not #pragma omp atomic.
3595 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3596 or UNION_TYPE inner types.
3598 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3601 * ipa-pure-const.c (check_tree): If the original tree
3602 is volatile return early and say the function is not pure
3603 nor const. Remove the volatile check for writes.
3604 (analyze_function): Print out the result of the local
3607 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3609 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3611 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3612 * config/rs6000/rs6000.c (rs6000_override_options): Use
3613 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3616 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3618 * config/s390.c (s390_emit_compare_and_swap): New function.
3619 (s390_expand_cs_hqi, s390_expand_atomic): Call
3620 s390_emit_compare_and_swap.
3622 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3624 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
3626 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3630 * c-common.c (conversion_warning): New.
3631 (convert_and_check): Call conversion_warning unless there is an
3633 * doc/invoke.texi (-Wconversion): Update description.
3635 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
3637 * tree-ssa-alias.c (tree_pointer_compare): New function.
3638 (compact_name_tags): New function.
3639 (group_aliases): Call compact_name_tags.
3641 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3643 * real.h (real_isinteger): Declare.
3644 * real.c (real_isinteger): Define.
3645 * builtins.c (integer_valued_real_p): Use it.
3647 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3650 * c.opt (Wtraditional-conversion): New.
3651 (Wconversion): Update description.
3652 * c-typeck.c (convert_arguments): Warnings for prototypes causing
3653 type conversions different from what would happen in the absence
3654 of prototype are now handled by Wtraditional-conversion.
3655 * doc/invoke.texi (Wtraditional-conversion): New.
3656 (Wconversion): Update description.
3657 * doc/trouble.texi (Wconversion): Replace Wconversion by
3658 Wtraditional-conversion.
3660 2006-11-23 Andrew Pinski <pinskia@gmail.com>
3662 * predict.c (tree_estimate_probability): Check to make
3663 sure current_loops is non null before calling flow_loops_dump.
3665 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3667 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
3669 2006-11-23 David Ung <davidu@mips.com>
3671 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
3673 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
3674 (ASM_SPEC): Pass along -mfp32 and -mfp64.
3675 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
3676 high part of FP register when in 64-bit FP register mode. Similarly
3677 use gen_mfhc1 to load high part of FP register.
3678 (override_options): Allow -mgp32 and -mfp64 combination if
3679 ISA_HAS_MXHC1 (currently for O32 only).
3680 (mips_cannot_change_mode_class): If floating-point registers are
3681 bigger than word size. disallow conversion of float register from a
3682 large integer mode to a float mode smaller than the float register
3684 (mips_class_max_nregs): Handle float registers case seperately.
3685 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
3687 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
3688 (movdf_hardfloat_32bit): Similarly.
3689 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
3690 support a full 64-bit fpu.
3691 (mthc1): New pattern to generate MTHC1 instruction.
3692 (mfhc1): New pattern to generate MFHC1 instruction.
3693 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
3694 option for the MIPS32R2 and mention its use under O32 ABI.
3696 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3698 * var-tracking.c (emit_note_insn_var_location): Take care not to
3699 cause verify_flow_info failures.
3701 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
3703 * tree-ssa-structalias.c: Remove edge weights in favor of just
3704 processing them as complex constraints.
3705 (struct constraint_graph): Remove weighted succs and preds. Rename
3706 nonweighted succs and preds.
3707 (constraint_edge): Removed.
3708 (constraint_edge_t): Ditto.
3709 (constraint_edge_pool): Ditto.
3710 (new_constraint_edge): Ditto.
3711 (constraint_edge_equal): Ditto.
3712 (constraint_edge_less): Ditto.
3713 (constraint_edge_vec_find): Ditto.
3714 (erase_self_graph_edge): Ditto.
3715 (add_graph_edge): Removed.
3716 (get_graph_weights): Ditto.
3717 (allocate_graph_weights): Ditto.
3718 (valid_weighted_graph_edge): Ditto
3719 (bitmap_other_than_zero_bit_set): Ditto.
3720 (int_add_graph_edge): Renamed to add_graph_edge.
3721 (clear_edges_for_node): Remove support for weighted edges.
3722 (merge_graph_nodes): Ditto.
3723 (valid_graph_edge): Ditto.
3724 (build_constraint_graph): Ditto.
3726 (collapse_nodes): Ditto.
3727 (process_unification_queue): Ditto.
3728 (topo_visit): Ditto.
3729 (do_ds_constraint): Ditto.
3730 (perform_var_subsitution): Ditto.
3731 (solve_graph): Ditto.
3732 (init_alias_vars): Ditto.
3733 (delete_points_to_sets): Ditto.
3734 (do_complex_constraint): Support offsetted copies here.
3736 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
3738 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
3740 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
3742 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
3745 2006-11-23 Ben Elliston <bje@au.ibm.com>
3747 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
3749 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
3751 PR tree-optimization/29921
3752 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
3753 signed and unsigned zero equal.
3755 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
3757 * config/rs6000/rs6000.c (get_store_dest): New.
3758 (adjacent_mem_locations): Use get_store_dest() to get
3759 the rtl of the store destination.
3761 2006-11-22 Joseph Myers <joseph@codesourcery.com>
3763 * config/rs6000/spe.md (SPE64): New mode macro.
3764 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
3766 (mov_si<mode>_e500_subreg0_2): New.
3767 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
3769 (mov_si<mode>_e500_subreg4_2): New.
3770 * config/rs6000/predicates.md (input_operand): Do not allow
3771 invalid E500 subregs.
3772 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
3774 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
3775 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
3776 involving vector modes if TARGET_SPE.
3778 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
3781 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3782 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3784 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
3786 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
3787 mem_i_address_operand): New predicates.
3788 * config/bfin/bfin.c (bfin_issue_rate): New function.
3789 (TARGET_SCHED_ISSUE_RATE): New macro.
3790 * config/bfin/bfin.md (addrtype): New attribute.
3791 (slot0, slot1, slot2, store, pregs): New cpu_units.
3792 (core): Now a define_reservation.
3793 (alu): Remove some insn types from this reservation.
3794 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
3796 (dummy reservation): Don't trigger for mcld insns.
3797 (absence_sets): Two new absence sets to enforce slot ordering.
3798 (popsi_insn): Set addrtype.
3800 2006-11-22 Ira Rosen <irar@il.ibm.com>
3802 * doc/c-tree.texi: Document new tree codes.
3803 * doc/md.texi: Document new optabs.
3804 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
3806 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
3807 * optabs.h (optab_index): Add new.
3808 (vec_extract_even_optab, vec_extract_odd_optab,
3809 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
3810 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
3811 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
3813 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
3814 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3815 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
3816 along with macros for their access.
3817 * tree-data-ref.h (first_location_in_loop, data_reference): Update
3819 * tree-vect-analyze.c (toplev.h): Include.
3820 (vect_determine_vectorization_factor): Fix indentation.
3821 (vect_insert_into_interleaving_chain,
3822 vect_update_interleaving_chain, vect_equal_offsets): New functions.
3823 (vect_analyze_data_ref_dependence): Add argument for interleaving
3824 check. Check for interleaving if it's true.
3825 (vect_check_dependences): New function.
3826 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
3827 every ddr. Call vect_analyze_data_ref_dependence with new argument.
3828 (vect_update_misalignment_for_peel): Update for interleaving.
3829 (vect_verify_datarefs_alignment): Check only first data-ref for
3831 (vect_enhance_data_refs_alignment): Update for interleaving. Check
3832 only first data-ref for interleaving.
3833 (vect_analyze_data_ref_access): Check interleaving, update
3835 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
3836 with different parameters.
3837 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
3838 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
3839 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
3840 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
3841 Update step in case of interleaving.
3842 (vect_strided_store_supported, vect_permute_store_chain): New
3844 (vectorizable_store): Handle strided stores.
3845 (vect_strided_load_supported, vect_permute_load_chain,
3846 vect_transform_strided_load): New functions.
3847 (vectorizable_load): Handle strided loads.
3848 (vect_transform_stmt): Add argument. Handle strided stores. Check
3849 that vectorized stmt exists for patterns.
3850 (vect_gen_niters_for_prolog_loop): Update calculation for
3852 (vect_transform_loop): Remove stmt_vec_info for strided stores after
3853 whole chain vectorization.
3854 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
3855 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
3856 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
3857 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
3858 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
3860 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
3862 * cse.c (enum taken): Remove PATH_AROUND.
3863 (addr_affects_sp_p, invalidate_skipped_set,
3864 invalidate_skipped_block): Remove.
3865 (cse_end_of_basic_block): Remove skip_blocks and related code.
3866 (cse_main): Don't test for flag_cse_skip_blocks.
3867 Update cse_end_of_basic_block call.
3868 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
3869 code to lengthen the path if a jump was simplified.
3871 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3873 PR rtl-optimization/29924
3874 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
3875 (unroll_loop_runtime_iterations): Assert that the argument passed to
3876 split_edge_and_insert is not NULL.
3877 * loop-doloop.c (add_test): Ditto.
3879 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3881 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
3883 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
3884 * cfgloopmanip.c (update_single_exits_after_duplication,
3885 update_single_exit_for_duplicated_loop, loop_version): Ditto.
3886 * tree-scalar-evolution.c (get_loop_exit_condition,
3887 get_exit_conditions_rec, loop_closed_phi_def,
3888 number_of_iterations_in_loop, scev_const_prop): Ditto.
3889 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
3890 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
3892 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3894 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3895 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
3896 slpeel_make_loop_iterate_ntimes,
3897 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
3898 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3900 * tree-if-conv.c (if_convertible_loop_p): Ditto.
3901 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
3902 vect_analyze_loop_form): Ditto.
3903 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
3904 can_convert_to_perfect_nest, perfect_nestify): Ditto.
3905 * tree-vect-transform.c (vect_create_epilog_for_reduction,
3906 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
3907 vect_transform_loop): Ditto.
3908 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
3909 (single_exit, set_single_exit): New functions.
3910 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
3911 (single_exit, set_single_exit): Declare.
3912 * doc/loop.texi: Undocument single_exit field. Document single_exit
3915 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3917 PR tree-optimization/29902
3918 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
3919 any involved ssa name appears in abnormal phi node.
3921 2006-11-21 Bob Wilson <bob.wilson@acm.org>
3923 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
3924 (xtensa_const_ok_for_letter_p): Delete.
3925 (xtensa_extra_constraint): Delete.
3926 (override_options): Delete xtensa_char_to_class initialization.
3927 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
3928 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3929 (EXTRA_CONSTRAINT): Delete.
3930 * config/xtensa/xtensa.md: Include constraints.md.
3931 (call_internal): Combine alternatives.
3932 (call_value_internal): Likewise, and remove invalid constraints.
3933 * config/xtensa/constraints.md: New file.
3934 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
3935 (xtensa_extra_constraint): Delete.
3936 * doc/md.texi (Machine Constraints): Refer to constraints.md for
3939 2006-11-21 Janis Johnson <janis187@us.ibm.com>
3941 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
3942 of conversion that doesn't fit.
3944 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
3945 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
3946 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
3948 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
3950 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
3952 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
3954 2006-11-21 Richard Guenther <rguenther@suse.de>
3956 * tree-vectorizer.h (NUM_PATTERNS): Increase.
3957 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
3958 vect_recog_pow_pattern.
3959 (vect_recog_pow_pattern): New function.
3961 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
3963 * config/bfin/bfin.opt (mstack-check-l1): New.
3964 * doc/invoke.texi (Blackfin Options): Document it.
3965 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
3966 stack bounds in L1 memory if the new option is enabled.
3967 (override_options): Don't allow combinations of -fstack-limit and
3969 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
3972 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
3974 (bfin_register_move_cost): Bump costs if trying to move plain
3975 integer values through accumulators.
3977 2006-11-21 Ben Elliston <bje@au.ibm.com>
3979 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
3981 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
3982 Russell Olsen <Russell_Olsen@playstation.sony.com>
3983 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
3984 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
3985 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
3986 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
3987 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3989 * config.gcc: Add target for SPU.
3990 * config/spu/constraints.md: New file.
3991 * config/spu/crt0.c: New file.
3992 * config/spu/crtend.c: New file.
3993 * config/spu/crti.asm: New file.
3994 * config/spu/crtn.asm: New file.
3995 * config/spu/float_unsdidf.c: New file.
3996 * config/spu/float_unssidf.c: New file.
3997 * config/spu/predicates.md: New file.
3998 * config/spu/spu-builtins.def: New file.
3999 * config/spu/spu-builtins.h: New file.
4000 * config/spu/spu-builtins.md: New file.
4001 * config/spu/spu-c.c: New file.
4002 * config/spu/spu-elf.h: New file.
4003 * config/spu/spu-modes.def: New file.
4004 * config/spu/spu-protos.h: New file.
4005 * config/spu/spu.c: New file.
4006 * config/spu/spu.h: New file.
4007 * config/spu/spu.md: New file.
4008 * config/spu/spu.opt: New file.
4009 * config/spu/spu_internals.h: New file.
4010 * config/spu/spu_intrinsics.h: New file.
4011 * config/spu/spu_mfcio.h: New file.
4012 * config/spu/t-spu-elf: New file.
4013 * config/spu/vec_types.h: New file.
4014 * config/spu/vmx2spu.h: New file.
4015 * doc/contrib.texi: Document SPU contributor.
4016 * doc/extend.texi: Document SPU extensions.
4017 * doc/invoke.texi: Document SPU options.
4018 * doc/md.texi: Document SPU constraints.
4020 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4022 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
4024 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
4026 (flow_loop_dump): Do not dump loop level.
4027 (flow_loops_find): Do not call flow_loops_level_compute.
4028 * cfgloop.h (struct loop): Remove level field.
4030 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4032 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
4033 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
4034 Use vector of edges instead of array.
4035 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
4036 estimate_numbers_of_iterations_loop): Ditto.
4037 * predict.c (predict_loops): Ditto.
4038 * loop-unroll.c (analyze_insns_in_loop): Ditto.
4039 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
4041 * basic-block.h: Declare heap allocation for edge vectors.
4042 * tree-outof-ssa.c: Ditto.
4043 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
4044 * cfgloop.h (get_loop_exit_edges): Declaration changed.
4046 2006-11-20 Zack Weinberg <zackw@panix.com>
4048 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
4049 Add another out parameter, "skip".
4050 (set_gc_used_type): Adjust calls to process_gc_options. If a field
4051 is tagged "skip", do not mark its type used.
4053 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4056 * tree-sra.c (single_scalar_field_in_record_p): New function.
4057 (decide_block_copy): Use it.
4059 2006-11-20 David Daney <ddaney@avtrex.com>
4061 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4062 PC to point to following instruction.
4064 2006-11-20 Anatoly Sokolov <aesok@post.ru>
4068 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
4070 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
4072 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
4074 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4075 Add sh/superh.h to tm_file.
4077 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
4078 Mark Mitchell <mark@codesourcery.com>
4080 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
4082 (cpp_relocated): New function.
4083 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
4085 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
4086 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
4087 replace configured prefix with gcc_exec_prefix.
4089 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
4091 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
4092 bfin_legitimate_constant_p.
4093 * config/bfin/bfin.md (movsi expander): Check return value of
4095 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
4096 (expand_move): Adjust prototype.
4097 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
4098 invalid constants specially.
4099 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
4101 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
4103 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
4104 sibcall_value_symbol): Allow these patterns if
4105 TARGET_LEAF_ID_SHARED_LIBRARY.
4106 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
4107 (override_options): Turn on id shared library flags if -msep-data,
4108 but disallow the combination of these options on the command line.
4109 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
4110 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
4111 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
4112 -mid-shared-library.
4113 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
4114 * doc/invoke.texi (Blackfin Options): Document new switches.
4116 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
4117 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
4119 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
4120 inflate costs for addresses with an out-of-bounds address.
4122 2006-11-19 Andrew Pinski <pinskia@gmail.com>
4125 * fwprop.c (loops): Remove.
4126 (forward_propagate_into): Use current_loops instead of
4128 (fwprop_init): Call loop_optimizer_init instead of
4130 (fwprop_done): Call loop_optimizer_finalize instead of
4132 (fwprop): Use current_loops instead of loops.
4134 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
4137 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4139 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4142 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4143 larger than BITS_PER_WORD.
4145 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4149 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4150 to MAX_FIXED_MODE_SIZE.
4152 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4154 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
4155 (fold_builtin_fmin_fmax): New.
4156 (fold_builtin_1): Use it.
4158 * fold-const.c (fold_strip_sign_ops): Handle copysign.
4160 2006-11-18 Richard Guenther <rguenther@suse.de>
4162 * config/i386/i386.c (ix86_builtins): New array for ix86
4163 builtin function decls.
4164 (def_builtin): New function.
4165 (def_builtin_const): Likewise.
4166 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4168 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
4170 * doc/invoke.texi (core2): Add item.
4172 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4174 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4175 (TARGET_CPU_DEFAULT_generic): Change value.
4176 (TARGET_CPU_DEFAULT_NAMES): Add core2.
4177 (processor_type): Add new constant PROCESSOR_CORE2.
4179 * config/i386/i386.md (cpu): Add core2.
4181 * config/i386/i386.c (core2_cost): New initialized variable.
4182 (m_CORE2): New macro.
4183 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4184 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4185 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4186 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4187 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4188 x86_accumulate_outgoing_args, x86_prologue_using_move,
4189 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4190 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4191 x86_use_incdec, x86_four_jump_limit, x86_schedule,
4192 x86_pad_returns): Add m_CORE2.
4193 (override_options): Add entries for Core2.
4194 (ix86_issue_rate): Add case for Core2.
4196 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
4198 * doc/invoke.texi: Fix mno-isel typo.
4200 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4202 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4203 easy vector constant loads.
4205 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4207 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4208 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4209 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4210 * config/rs6000/sync.md (lwsync): Emit plain sync if
4213 2006-11-17 DJ Delorie <dj@redhat.com>
4215 * reload1.c (reloads_unique_chain): New.
4216 (reloads_conflict): Call it.
4218 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4220 * config/xtensa/predicates.md (addsubx_operand): New.
4221 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4222 (xtensa_emit_bit_branch): New.
4223 (xtensa_emit_movcc): New.
4224 * config/xtensa/xtensa.md (any_minmax): New code macro.
4225 (minmax): New code attribute.
4226 (any_cond, any_scc, any_scc_sf): New code macros.
4227 (*addx2, *addx4, *addx8): Delete.
4229 (*subx2, *subx4, *subx8): Delete.
4231 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4232 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4233 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4234 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4235 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4236 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4237 (movsfcc_internal0, movsfcc_internal1): Likewise.
4238 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4239 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4240 (xtensa_emit_bit_branch): New.
4241 (xtensa_emit_movcc): New.
4242 (function_arg_boundary): Add missing prototype.
4244 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4246 * config/xtensa/xtensa.md (tstsi): Delete
4248 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4250 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4252 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4254 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4256 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4258 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
4260 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4262 * tree-vrp.c (execute_vrp): Do not update current_loops.
4263 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
4264 * doc/loop.texi: Remove documentation for cancelled functions.
4265 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
4266 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
4268 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
4269 (remove_path): Ensure that in delete_basic_blocks, the loops
4270 are still allocated.
4271 (add_loop): Work on valid loop structures.
4272 (loopify): Modify call of add_loop.
4273 (mfb_update_loops): Removed.
4274 (create_preheader): Do not update loops explicitly.
4275 (force_single_succ_latches, loop_version): Do not use
4276 loop_split_edge_with.
4277 (loop_split_edge_with): Removed.
4278 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
4279 Do not use bsi_insert_on_edge_immediate_loop.
4280 (split_loop_exit_edge, tree_unroll_loop): Do not use
4281 loop_split_edge_with.
4282 (bsi_insert_on_edge_immediate_loop): Removed.
4283 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
4284 use loop_split_edge_with.
4285 * cfghooks.c: Include cfgloop.h.
4286 (verify_flow_info): Verify that loop_father is filled iff current_loops
4288 (redirect_edge_and_branch_force, split_block, delete_basic_block,
4289 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4291 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4293 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
4294 loop_split_edge_with.
4295 (sms_schedule): Use current_loops.
4296 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
4297 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
4299 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
4300 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
4301 * ifcvt.c (if_convert): Ditto.
4302 * predict.c (predict_loops): Do not clear current_loops.
4303 (tree_estimate_probability): Use current_loops.
4304 (propagate_freq): Receive head of the region to propagate instead of
4306 (estimate_loops_at_level): Do not use shared to_visit bitmap.
4307 (estimate_loops): New function. Handle case current_loops == NULL.
4308 (estimate_bb_frequencies): Do not allocate tovisit. Use
4310 * tree-ssa-loop.c (current_loops): Removed.
4311 (tree_loop_optimizer_init): Do not return loops.
4312 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
4313 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
4314 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
4315 Do not update loops explicitly.
4316 * function.h (struct function): Add x_current_loops field.
4317 (current_loops): New macro.
4318 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
4319 * loop-unroll.c (split_edge_and_insert): New function.
4320 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
4321 use loop_split_edge_with.
4322 * loop-doloop.c (add_test, doloop_modify): Ditto.
4323 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
4324 * cfglayout.c (copy_bbs): Do not update loops explicitly.
4325 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
4326 * tree-vect-transform.c (vect_transform_loop): Do not update loops
4328 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
4329 (flow_loops_free): Do not free dfs_order and rc_order.
4330 (flow_loops_find): Do not set dfs_order and rc_order in loops
4331 structure. Do not call loops and flow info verification.
4332 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
4333 already belongs to some loop.
4334 * cfgloop.h (struct loops): Remove struct cfg.
4335 (current_loops, loop_split_edge_with): Declaration removed.
4336 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
4337 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
4338 Declaration removed.
4339 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
4340 * basic-block.h (split_edge_and_insert): Declare.
4341 * tree-cfg.c (remove_bb): Do not update loops explicitly.
4343 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4345 PR tree-optimization/29801
4346 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
4347 (get_default_value): Use get_symbol_constant_value.
4348 (set_lattice_value): ICE when the value of the constant is
4350 (visit_assignment): Ignore VDEFs of read-only variables.
4352 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4354 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
4356 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4357 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
4359 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4361 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
4362 select subvars of var.
4364 2006-11-17 Jakub Jelinek <jakub@redhat.com>
4367 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
4368 optimize if DEF doesn't have integral type.
4370 2006-11-16 Mike Stump <mrs@apple.com>
4372 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
4373 pre-darwin9 system, unless the user asks for it directly.
4374 (PREFERRED_DEBUGGING_TYPE): Likewise.
4375 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4376 * config.gcc: Add suppport for darwin9.h.
4377 * config/darwin9.h: Add.
4378 * doc/install.texi (Specific): Clarify darwin documentation.
4380 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4382 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
4383 optimizing for size.
4385 2006-11-16 Mike Stump <mrs@apple.com>
4387 * Makefile.in (targhooks.o): Add $(OPTABS_H).
4389 2006-11-16 Dirk Mueller <dmueller@suse.de>
4391 * tree-vrp.c (get_value_range): Use XCNEW instead
4393 (insert_range_assertions): Use XCNEWVEC instead
4394 of XNEWVEC and memset.
4395 (vrp_initialize): Same.
4396 (vrp_finalize): Same.
4397 * tree-ssa-ccp.c (ccp_initialize): Same.
4398 * predict.c (tree_bb_level_predictions): Same.
4399 * calls.c (expand_call): Same.
4400 * tree-ssa-copy.c (init_copy_prop): Same.
4401 (fini_copy_prop): Same.
4402 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
4403 of GGC_NEW and memset.
4405 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
4408 * gimplify.c (gimplify_expr): Only force a load for references to
4409 non-BLKmode volatile values.
4410 * doc/implement-c.texi (Qualifiers implementation): Document the
4411 interpretation of what a volatile access is.
4412 * doc/extend.texi (C++ Extensions): Rework same documentation.
4414 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4416 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4419 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4421 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4423 (arm_neg_abssi2): Renamed from neg_abssi2.
4424 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4426 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4428 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4429 number of arguments passed to local functions in SSE registers is 3.
4431 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4432 number of arguments passed in SSE registers to 3.
4434 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4437 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4439 (get_last_bb_insn): ... new global function.
4440 (basic_block.h): Declare it.
4441 * haifa-sched.c (create_recovery_block): Use it.
4443 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4446 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4448 2006-11-15 Paul Brook <paul@codesourcery.com>
4450 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4451 _Unwind_GetTextRelBase): Move from here ...
4452 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4453 _Unwind_GetTextRelBase): ... To here.
4455 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4457 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4458 addresses we generate for testing are aligned.
4460 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4463 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4464 to what is the const decl is a place holder for.
4466 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4468 * config/i386/i386.opt: New target option -mx87regparm.
4470 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4471 and float_in_x87 variables. mmx_words, sse_words: Remove.
4472 (X87_REGPARM_MAX): Define.
4474 * config/i386/i386.c (override_options): Error out for
4475 -mx87regparm but no 80387 support.
4476 (ix86_attribute_table): Add x87regparm.
4477 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4478 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4479 (ix86_function_x87regparm): New function.
4480 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4482 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4484 (function_arg_advance): Process x87_nregs and x87_regno when
4485 floating point argument is to be passed in 80387 register.
4486 (function_arg): Pass XFmode arguments in 80387 registers for local
4487 functions. Pass SFmode and DFmode arguments to local functions
4488 in 80387 registers when flag_unsafe_math_optimizations is set.
4490 * reg-stack.c (convert_regs_entry): Disable NaN load for
4491 stack registers that are used for argument passing.
4493 * doc/extend.texi: Document x87regparm function attribute.
4494 * doc/invoke.texi: Document -mx87regparm.
4496 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4498 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4499 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4500 arg MODE; all callers changed. Use it to determine validity per
4501 machine mode instead of using Pmode for all memory references.
4502 (get_address_cost): Likewise add and use new arg MEM_MODE.
4504 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4505 J"orn Rennecke <joern.rennecke@st.com>
4507 * combine.c (likely_spilled_retval_1): Fix masking operation.
4508 (likely_spilled_retval_p): Use proper pattern for call to
4509 likely_spilled_retval_1.
4511 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4513 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4515 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4516 that tests for CONSTANT_POOL_ADDRESS_P.
4518 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4520 PR tree-optimization/29581
4521 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4522 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4523 type is different between Y and USE, create a temporary
4524 variable, initialize it at the beginning of the body bb
4525 and use it as replacement instead of Y.
4527 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4530 * gimplify.c (fold_indirect_ref_rhs): Use
4531 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4533 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4535 * expmed.c (emit_store_flag_1): New function.
4536 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4538 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4539 Use do_compare_rtx_and_jump.
4540 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4541 * arm.md (cstoresi4): New define_expand.
4542 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4543 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4544 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4546 2006-11-14 Caroline Tice <ctice@apple.com>
4548 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4549 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4551 (pubname_table): Redefine as a vector.
4552 (pubtype_table): New static global variable, defined as a vector.
4553 (pubname_table_allocated): Remove static global variable.
4554 (pubname_table_in_use): Remove static global variable.
4555 (PUBNAME_TABLE_INCREMENT): Remove constant.
4556 (size_of_pubnames): Add parameter to deal with either pubnames or
4557 pubtypes, and change code to deal with table being a vector.
4558 (add_pubname): Change to deal with table being a vector.
4559 (add_pubtype): New function.
4560 (output_pubnames): Add parameter to deal with either pubnames or
4561 pubtypes, and change code to deal with table being a vector.
4562 (gen_array_type_die): Add call to add_pubtype.
4563 (gen_enumeration_type_die): Add call to add_pubtype.
4564 (gen_struct_or_union_type_die): Add call to add_pubtype.
4565 (gen_subroutine_type_die): Add call to add_pubtype.
4566 (gen_typedef_die): Add call to add_pubtype.
4567 (dwarf2out_init): Add code to initialize pubname_table and
4568 pubtype_table vectors; also initialize debug_pubtypes_section.
4569 (prune_unused_types): Change to deal with pubnames being a vector.
4570 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4571 pubnames table to call to output_pubnames; Add code to output pubtypes
4572 table if DEBUG_PUBTYPES_SECTION is defined.
4573 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4575 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4577 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4579 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4580 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4581 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4582 movv2si_internal): Support moves between core registers.
4584 2006-11-14 Eric Christopher <echristo@apple.com>
4586 * configure: Regenerate with autoconf 2.59.
4588 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4590 Fix PR tree-optimization/27755
4592 * tree-ssa-pre.c: Update comments.
4593 (bb_bitmap_sets): Add pa_in and deferred member.
4594 (BB_DEFERRED): New macro.
4595 (maximal_set): New variable.
4596 (pre_stats): Add pa_insert member.
4597 (bitmap_set_and): Short circuit orig == dest.
4598 (bitmap_set_subtract_values): New function.
4599 (bitmap_set_contains_expr): Ditto.
4600 (translate_vuses_through_block): Add phiblock argument.
4601 (dependent_clean): New function.
4602 (compute_antic_aux): Update for maximal_set changes.
4603 (compute_partial_antic_aux): New function.
4604 (compute_antic): Handle partial anticipation.
4605 (do_partial_partial_insertion): New function.
4606 (insert_aux): Handle partial anticipation.
4607 (add_to_sets): Add to maximal set.
4608 (compute_avail): Ditto.
4609 (init_pre): Initialize maximal_set.
4610 (execute_pre): Do partial anticipation if -O3+.
4612 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4614 PR rtl-optimization/29798
4616 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4617 TARGET_INSN before any other check.
4618 (fwprop_init): Always calculate dominators.
4619 (fwprop_done): Always free them.
4621 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4623 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
4626 2006-11-13 DJ Delorie <dj@redhat.com>
4628 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
4629 temporary for intermediates.
4631 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
4633 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
4634 (sh_optimize_target_register_callee_saved): #if 0 the code
4635 using NOTE_INSN_LOOP_{BEG,END}.
4637 2006-11-13 Roger Sayle <roger@eyesopen.com>
4639 * fold-const.c (optimize_bit_field_compare): Recursively call
4640 fold when simplifying non-constant comparisons between bit-fields.
4642 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4644 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
4646 * configure: Rebuilt.
4648 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
4650 * config/rs6000/cell.md: New file.
4651 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
4653 (ppccell_cost): New cost matrix.
4654 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
4655 (rs6000_override_options): Set rs6000_always_hint to false
4656 for cell. Also align functions/lables/loops to 8byte
4657 for the Cell. Use PROCESSOR_CELL.
4658 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
4659 using_mtcr_multiple.
4660 (rs6000_variable_issue): If the insn is a nonpipelined instruction
4661 on the Cell, return 0.
4662 (rs6000_adjust_cost): Add Cell cost adjustments.
4663 (is_microcoded_insn): Return true for Cell microcoded
4665 (is_nonpipeline_insn): New function.
4666 (rs6000_issue_rate): Add PROCESSOR_CELL.
4667 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
4669 (rs6000_use_sched_lookahead_guard): New function.
4670 (rs6000_sched_reorder): Reorder the ready list, if the second
4671 to last ready insn is a nonepipeline insn on the Cell.
4672 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
4673 (ASM_CPU_SPEC): Add Cell.
4674 * config/rs6000/rs6000.md (cpu): Add Cell.
4675 (cell_micro): New Attr.
4678 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4680 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
4682 * configure: Rebuilt.
4684 2006-11-13 Richard Guenther <rguenther@suse.de>
4686 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
4688 (ix86_expand_lfloorceil): Likewise.
4689 (ix86_expand_rint): Likewise.
4690 (ix86_expand_floorceildf_32): Likewise.
4691 (ix86_expand_floorceil): Likewise.
4692 (ix86_expand_rounddf_32): Likewise.
4693 (ix86_expand_truncdf_32): Likewise.
4694 (ix86_expand_round): Likewise.
4696 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
4697 Mark Mitchell <mark@codesourcery.com>
4699 * gcc.c: Organize search path variables into $prefix relative,
4700 and well-known native. Add comments.
4701 (add_sysrooted_prefix): Add comment.
4702 (process_command): If !gcc_exec_prefix add $prefix based paths.
4703 If *cross_compile == '0', add native well-known paths.
4704 Assert tooldir_base_prefix is always relative.
4705 (main): If print_search_dirs, and if gcc_exec_prefix is set,
4706 use this value for 'install:' path.
4707 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
4709 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4711 * config/i386/i386.c: Fix a typo in comment.
4713 2006-11-13 Michael Matz <matz@suse.de>
4715 * genemit.c (gen_expand): Allocate enough memory.
4717 2006-11-13 Joseph Myers <joseph@codesourcery.com>
4719 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
4720 __GXX_TYPEINFO_EQUALITY_INLINE but not
4721 __GXX_MERGED_TYPEINFO_NAMES.
4722 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
4723 __GXX_MERGED_TYPEINFO_NAMES.
4724 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
4725 __GXX_TYPEINFO_EQUALITY_INLINE.
4727 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4728 Zdenek Dvorak <dvorakz@suse.cz>
4730 PR tree-optimization/29680
4731 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
4734 2006-11-12 Jason Merrill <jason@redhat.com>
4735 Andrew Pinski <pinskia@physics.uc.edu>
4738 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
4740 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
4742 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
4743 * tree.c (build_vector): Handle non-_CST elements.
4745 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4747 * genemit.c (gen_insn): Call gen_exp with a non-null used
4748 when handling multiple insns.
4749 (gen_expand): Likewise.
4750 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4751 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
4752 (movsi_const_16bit+1): Copy operands[1].
4753 (call_pcrel): Copy the call_site pattern.
4754 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
4756 2006-11-12 Roger Sayle <roger@eyesopen.com>
4758 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
4759 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
4760 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
4761 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
4763 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
4765 Fix PR tree-optimization/29587
4766 * tree-ssa-structalias.c (process_constraint): Don't
4767 mark address taken due only to escaped vars constraint.
4769 2006-11-12 Michael Matz <matz@suse.de>
4770 Roger Sayle <roger@eyesopen.com>
4772 PR rtl-optimization/29797
4773 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
4774 BITS_BIG_ENDIAN targets.
4776 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4778 * builtins.c (fold_builtin_cosh): New.
4779 (fold_builtin_1): Use it.
4780 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
4781 trunc to the list of "odd" functions. Also add llrint, lrint,
4782 rint and nearbyint when flag_rounding_math is false.
4784 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4786 * tree-flow.h (name_mappings_registered_p): Declare.
4787 * tree-into-ssa.c (name_mappings_registered_p): New function.
4788 * tree-cfg.c (tree_can_merge_blocks_p): Check
4789 name_mappings_registered_p instead of need_ssa_update_p.
4791 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4793 * tree-ssa-loop.c (tree_vectorize): Return the result of
4795 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
4796 if anything changed.
4797 * tree-vectorizer.h (vectorize_loops): Declaration removed.
4798 * tree-flow.h (vectorize_loops): Declaration changed.
4800 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4802 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
4804 (issue_prefetch_ref): Move assignment to write_p out of loop.
4805 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
4806 SIMULTANEOUS_PREFETCHES into account.
4807 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
4808 * lambda-code.c (lcm): Renamed to ...
4809 (least_common_multiple): ... and exported.
4810 * tree-flow.h (least_common_multiple): Declare.
4812 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4814 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
4815 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
4816 ud-chains. Handle AND_EXPR.
4817 (record_estimate): Record whether the estimate is realistic
4818 and whether it is derived from a loop exit.
4819 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
4820 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
4822 (compute_estimated_nb_iterations): Take only realistic bounds into
4823 account. Set estimate_state. Use double_ints.
4824 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
4825 and infer_loop_bounds_from_signedness. Do not consider basic blocks
4826 that do not have to be always executed.
4827 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
4828 to determine whether to call infer_loop_bounds_from_undefined
4829 and compute_estimated_nb_iterations.
4830 (n_of_executions_at_most): Use double_ints.
4831 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
4832 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
4833 * double-int.c (double_int_to_tree): Improve comment.
4834 (double_int_fits_to_tree_p): New function.
4835 * double-int.h (double_int_fits_to_tree_p): Declare.
4836 * tree-data-ref.c: Include langhooks.h.
4837 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
4838 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
4839 (analyze_array): Do not pass estimate_only argument to
4840 analyze_array_indexes.
4841 (get_number_of_iters_for_loop): Build tree from the stored double_int
4843 (get_references_in_stmt, find_data_references_in_stmt): New functions.
4844 (find_data_references_in_loop): Use find_data_references_in_stmt.
4845 * tree-data-ref.h (struct data_ref_loc_d): New.
4846 (get_references_in_stmt): Declare.
4847 (estimate_iters_using_array): Declaration removed.
4848 * cfgloop.h (struct nb_iter_bound): Change type of bound to
4849 double_int. Improve comments. Add is_exit and realistic
4851 (struct loop): Changed type of estimated_nb_iterations to double_int.
4852 Added estimate_state field.
4853 (record_estimate): Declaration removed.
4855 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4857 * params.c (set_param_value): Initialize the "set" field.
4858 * params.h (struct param_info): Add "set" field.
4859 (PARAM_SET_P): New macro.
4860 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
4861 L1_CACHE_LINE_SIZE): New macros.
4862 * toplev.c (DEFPARAM): Initialize the "set" field.
4863 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
4864 SIMULTANEOUS_PREFETCHES): Removed.
4865 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
4866 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
4867 * config/sparc/sparc.c: Include params.h.
4868 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
4869 L1_CACHE_LINE_SIZE parameters.
4870 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4872 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4874 * config/i386/i386.c: Include params.h.
4875 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
4876 (override_options): Set SIMULTANEOUS_PREFETCHES and
4877 L1_CACHE_LINE_SIZE parameters.
4878 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
4879 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
4880 L1_CACHE_LINE_SIZE parameters.
4881 * config/ia64/ia64.c (ia64_optimization_options): Set
4882 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
4883 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
4885 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
4886 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
4887 * doc/invoke.texi: Document new params.
4889 2006-11-12 Roger Sayle <roger@eyesopen.com>
4891 PR tree-optimization/13827
4892 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
4895 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4897 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
4898 update_single_exit_for_duplicated_loops): New functions.
4899 (duplicate_loop_to_header_edge): Use
4900 update_single_exit_for_duplicated_loops.
4901 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
4902 functions only with ENABLE_CHECKING.
4904 2006-11-12 Andreas Schwab <schwab@suse.de>
4906 * except.c (sjlj_emit_function_enter): Remove unused variable.
4908 2006-11-11 Roger Sayle <roger@eyesopen.com>
4910 * fold-const.c (int_binop_types_match_p): New function.
4911 (size_binop): Relax constraint that both arguments must both have
4912 exactly the same sizetype type. Instead use int_binop_types_match_p.
4913 (size_diffop): Likewise.
4915 (make_range): Use build_int_cst instead of fold_convert.
4916 (fold_cond_expr_with_comparison): Use build_int_cst to construct
4917 integer constants of the correct type.
4918 (fold_div_compare): Likewise.
4919 (fold_single_bit_test): Likewise.
4920 (fold_binary): Likewise.
4921 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
4922 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
4924 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4927 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
4928 non null value if the struct memory access is in the 0th
4931 2006-11-12 Jie Zhang <jie.zhang@analog.com>
4934 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4935 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4938 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
4939 instead of builtin_define for bfin and BFIN.
4941 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4943 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4946 2006-11-11 Jan Hubicka <jh@suse.cz>
4948 * extend.texi (__builtin_expect): We no longer require second argument
4950 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
4951 * builtins.c (expand_builtin_expect): Simplify.
4952 (expand_builtin_expect_jump): Kill.
4953 * final.c (final_scan_insn): Do not skip the removed notes.
4954 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
4955 EXPECTED_VALUE): Remove.
4956 * dojump.c (do_jump): Do not care about __builtin_expect.
4957 * predict.c (expected_value_to_br_prob): Kill.
4958 * function.c (expand_function_end): Do not expand
4959 NOTE_INSN_REPEATED_LINE_NUMBER.
4960 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
4961 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
4962 * cfgexpand.c (add_reg_br_prob_note): Export.
4963 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4964 expected_value_to_br_prob.
4965 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
4966 * rtl.h (add_reg_br_prob_note): Declare.
4968 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4970 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
4972 2006-11-11 Jan Hubicka <jh@suse.cz>
4974 * predict.c (predict_loops): Kill RTL variant.
4976 2006-11-11 Jan Hubicka <jh@suse.cz>
4978 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
4979 * modulo-sched.c (find_line_note): Remove.
4980 (loop_canon_p): Do not worry about line number notes.
4981 (sms_schedule): Likewise.
4982 * cse.c (cse_main): Likewise.
4983 * regmove.c (fixup_match_1): Likewise
4984 * function.c (emit_return_info_block): Likewise.
4985 (expand_function_end): Likewise.
4986 (thread_prologue_an_epilogue_insns): Likewise.
4987 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
4989 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
4990 emit_note_copy_after): Kill.
4991 (emit_note_copy): Do not worry about line numbers.
4992 * jump.c (purge_line_number_notes): Kill.
4993 (pass_purge_lineno_notes): Kill.
4994 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
4996 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
4997 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
4998 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
4999 * tree-pass.h (pass_purge_lineno_notes): Kill.
5000 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
5001 rm_redundant_line_notes.
5002 * sched-rgb.c (schedule_region): Don't rm_line_notes,
5003 rm_redundant_line_notes.
5004 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
5005 * haifa-sched.c: Update comment about handling notes.
5006 (unlink_line_notes): Kill.
5007 (rm_line_notes): Kill.
5008 (save_line_notes): Simplify.
5009 (rm_redundant_line_notes): Kill.
5011 2006-11-11 Richard Guenther <rguenther@suse.de>
5013 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
5014 Remove unused tree codes.
5015 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
5016 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
5017 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5018 * tree.c (stabilize_reference): Likewise.
5019 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
5020 fold_unary): Likewise.
5021 * tree-gimple.c (is_gimple_cast): Likewise.
5022 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
5023 * expr.c (expand_expr_real_1): Likewise.
5024 * tree-eh.c (tree_could_trap_p): Likewise.
5025 * gimplify.c (gimplify_expr): Likewise.
5026 * tree-inline.c (estimate_num_insns_1): Likewise.
5027 * tree-cfg.c (verify_expr): Likewise.
5029 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
5031 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
5032 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
5033 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
5035 2006-11-11 Richard Sandiford <richard@codesourcery.com>
5038 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
5039 constraints accept neither registers or memories.
5041 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5043 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
5044 (NO_PROFILE_COUNTERS): Define as 1.
5046 2006-11-10 Roger Sayle <roger@eyesopen.com>
5048 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
5049 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
5051 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
5053 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
5055 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5057 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
5058 (fold_builtin_hypot): Likewise.
5059 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
5061 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
5063 2006-11-10 Roger Sayle <roger@eyesopen.com>
5065 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
5066 when attempting to build INTEGER_CSTs of non-integral types.
5067 * expmed.c (make_tree): Use the correct type, i.e. the inner
5068 type, when constructing the individual elements of a CONST_VECTOR.
5070 2006-11-10 Jan Hubicka <jh@suse.cz>
5072 * cse.c (cse_process_notes): Copy the propagated value.
5073 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
5075 * gcse.c (try_replace_reg): Copy the replacement.
5076 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
5077 (assign_386_stack_local): Always return copied memory expression
5078 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
5081 2006-11-10 Jan Hubicka <jh@suse.cz>
5083 * final.c (final): Walk from first instruction.
5084 * cfglayout.c (insn_locators_initialize): Remove line number notes.
5086 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
5089 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
5091 (umulv8hi3_highpart): Ditto.
5092 (vec_widen_smult_hi_v8hi): New expander.
5093 (vec_widen_smult_lo_v8hi): Ditto.
5095 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5098 * builtins.c (do_mpfr_arg3): New.
5099 (fold_builtin_1): Handle builtins fma, fmin and fmax.
5101 2006-11-09 Eric Christopher <echristo@apple.com>
5106 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
5107 * config.gcc (powerpc64-*-darwin*): New target.
5108 * config.host: Ditto.
5109 * config/rs6000/darwin64.h: New file.
5110 * config/rs6000/x-darwin64: Ditto.
5111 * config/rs6000/host-ppc64-darwin.c: Ditto.
5113 2006-11-09 Steve Ellcey <sje@cup.hp.com>
5115 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
5116 routines for integer division.
5118 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
5120 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
5122 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5125 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
5127 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
5129 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
5130 simplify_subreg with BLKmode outer mode.
5132 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
5134 * doc/invoke.texi: Minor formatting fixes in option lists.
5136 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
5138 PR tree-optimization/29738
5139 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5140 (ccp_lattice_t): Remove UNKNOWN_VAL.
5141 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5142 Do not handle UNKNOWN_VAL.
5143 (get_default_value): Set initial value of virtual operands to
5145 (get_value): Always use get_default_value on uninitialized
5147 (set_value_varying, surely_varying_stmt_p): New functions.
5148 (set_lattice_value): Do not pass argument to get_value.
5149 Do not handle UNKNOWN_VAL.
5150 (likely_value): Follow the semantics described in the comment.
5151 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
5152 phi nodes DONT_SIMULATE_AGAIN.
5153 (ccp_fold): Do not pass argument to get_value.
5154 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
5157 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
5159 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5160 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5162 2006-11-08 Roger Sayle <roger@eyesopen.com>
5164 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5165 test for inclusion rather than as a test for exclusion.
5166 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
5167 the condition after calling fold_binary.
5168 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5169 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
5170 * builtins.c (fold_builtin_isascii): Likewise.
5171 (fold_builtin_isdigit): Likewise.
5173 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
5175 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5176 * configure: Regenerate.
5178 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5180 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5181 enum argument instead of bool.
5182 (vect_analyze_operations): Call vectorizable_type_promotion.
5183 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5184 stmt_vec_info_type value.
5185 (supportable_widening_operation, vectorizable_type_promotion): New
5186 function declarations.
5187 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5188 (vectorizable_type_promotion): New function.
5189 (vect_transform_stmt): Call vectorizable_type_promotion.
5190 * tree-vect-analyze.c (supportable_widening_operation): New function.
5191 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5193 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5196 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5197 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5198 * tree-inline.c (estimate_num_insns_1): Add cases for above new
5200 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5201 * expr.c (expand_expr_real_1): Likewise.
5202 * optabs.c (optab_for_tree_code): Likewise.
5203 (init_optabs): Initialize new optabs.
5204 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5205 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5206 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5207 vec_unpacku_lo_optab): Initialize new optabs.
5208 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5209 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5210 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5212 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5213 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5214 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5215 (vec_unpacku_lo_optab): New optabs.
5216 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5217 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5218 (vec_widen_smult_hi, vec_widen_smult_lo): New.
5219 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5220 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5221 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5223 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5224 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5225 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5226 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5227 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5228 implement the unsigned unpacking patterns.
5229 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5230 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5231 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5232 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5233 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5234 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5235 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5236 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5237 multiplication patterns.
5239 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5240 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5241 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5242 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5243 (rs6000_builtin_mul_widen_odd): New.
5244 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5245 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5246 * tree-vectorizer.h (enum vect_relevant): New enum type.
5247 (_stmt_vec_info): Field relevant chaned from bool to enum
5249 (STMT_VINFO_RELEVANT_P): Updated.
5250 (STMT_VINFO_RELEVANT): New.
5251 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5252 instead of STMT_VINFO_RELEVANT_P.
5253 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5254 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5255 and boolean variable with enum vect_relevant.
5256 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5257 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5258 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5260 2006-11-08 Richard Henderson <rth@redhat.com>
5262 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
5263 vec_widen_umult_lo_v8hi): New.
5264 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
5265 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
5267 * config/i386/i386.c (ix86_expand_sse_unpack): New.
5268 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
5269 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
5270 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
5271 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
5272 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
5273 vec_unpacks_lo_v4si): New.
5275 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5277 * tree-vect-transform.c (vectorizable_type_demotion): New function.
5278 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
5279 (vect_analyze_operations): Call vectorizable_type_demotion.
5280 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
5281 stmt_vec_info_type value.
5282 (vectorizable_type_demotion): New function declaration.
5283 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5286 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
5287 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
5289 * tree-iniline.c (estimate_num_insns_1): Likewise.
5290 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5291 * optabs.c (optab_for_tree_code): Likewise.
5293 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
5294 compared against the predicate of the result is not 'mode' (the input
5295 to the function) but a mode with half the size of 'mode'.
5296 (init_optab): Initialize new optabs.
5297 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
5299 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
5301 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
5302 (vec_pack_usat_optab): Initialize new optabs.
5303 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
5304 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
5306 2006-11-08 Richard Henderson <rth@redehat.com>
5308 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
5309 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
5310 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
5311 (vec_interleave_highv4si, vec_interleave_lowv4si):
5312 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
5314 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5316 * tree-vect-transform.c (vectorizable_reduction): Support multiple
5318 (vect_transform_stmt): Removed redundant code.
5320 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5322 * tree-vect-transform.c (vectorizable_operation): Support multiple
5325 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5327 * tree-vect-transform.c (vect_align_data_ref): Removed.
5328 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
5329 Updated function documentation. Return the increment stmt in ptr_incr.
5330 (bump_vector_ptr): New function.
5331 (vect_get_vec_def_for_stmt_copy): New function.
5332 (vect_finish_stmt_generation): Create a stmt_info to newly created
5334 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
5336 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
5337 VF is greater than the number of elements that can fit in one vector
5339 (vectorizable_operation, vectorizable_condition): Likewise.
5340 (vectorizable_store, vectorizable_load): Support the case that the VF
5341 is greater than the number of elements that can fit in one vector word.
5342 (vect_transform_loop): Don't fail in case of multiple data-types.
5343 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
5344 in case of multiple data-types; the smallest type determines the VF.
5345 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
5346 if they are of different sizes.
5347 (vect_update_misalignment_for_peel): Compare misalignments in terms of
5348 number of elements rather than number of bytes.
5349 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
5350 (vect_can_advance_ivs_p): Fix a dump printout
5352 2006-11-07 Eric Christopher <echristo@apple.com>
5354 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
5355 (__bswapsi2): Ditto.
5356 * libgcc2.h: Remove transformation of bswap routines.
5357 * config/i386/i386.md (bswapsi2): New.
5360 2006-11-07 Jakub Jelinek <jakub@redhat.com>
5362 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
5363 (handle_gnu_inline_attribute): New function.
5364 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
5365 (merge_decls, start_decl, start_function): Likewise.
5366 * doc/extend.texi: Document gnu_inline attribute.
5368 2006-11-07 Steve Ellcey <sje@cup.hp.com>
5371 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
5372 _fixunstfdi, and _floatditf
5374 2006-11-06 Anatoly Sokolov <aesok@post.ru>
5376 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
5378 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
5379 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
5380 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
5381 which start in an odd register.
5383 2006-11-07 Richard Sandiford <richard@codesourcery.com>
5385 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
5387 2006-11-07 Josh Conner <jconner@apple.com>
5389 * doc/invoke.texi (fstrict-aliasing): Move implementation
5391 * doc/tree-ssa.texi (Alias analysis): ...here.
5393 2006-11-07 Richard Guenther <rguenther@suse.de>
5395 PR tree-optimization/29610
5396 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
5397 of tree_purge_dead_eh_edges as it may free dominators.
5399 * g++.dg/other/pr29610.C: New testcase.
5401 2006-11-07 David Ung <davidu@mips.com>
5403 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
5404 costs when optimizing for size.
5405 (override_options): Use mips_rtx_cost_optimize_size table for cost
5408 2006-11-07 Jie Zhang <jie.zhang@analog.com>
5410 * gcc.c (process_command): Treat -b as normal switch if its argument
5413 2006-11-07 David Ung <davidu@mips.com>
5415 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5418 2006-11-06 Eric Christopher <echristo@apple.com>
5420 * config.gcc: Add x86_64-darwin host support.
5421 * config.host: Ditto.
5422 * config/i386/darwin64.h: New file.
5423 * config/i386/t-darwin64: Ditto.
5425 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5427 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5428 and output-exists-not.
5430 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5433 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5434 checking for overflow.
5436 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5438 * configure.ac: Fixed typo in case statement: :: changed to ;;
5440 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5442 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5443 count_leading_zeros, and count_trailing_zeros.
5444 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5445 (TARGET_FOLD_BUILTIN): Define.
5446 (TARGET_EXPAND_BUILTIN): Define.
5447 (xtensa_init_builtins): New.
5448 (xtensa_fold_builtin): New.
5449 (xtensa_expand_builtin): New.
5450 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5451 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5452 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5453 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5454 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5455 (any_extend): New code macro.
5456 (u, su): New code attributes.
5457 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5458 (nsau): Remove; replaced by clzsi2.
5459 (ffssi2): Use clzsi2.
5460 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5461 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5462 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5463 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5464 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5466 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5468 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5470 * config/arm/t-strongarm-elf: Likewise.
5471 * config/arm/t-pe: Likewise.
5472 * config/arm/t-arm-elf: Likewise.
5473 * config/arm/t-xscale-elf: Likewise.
5474 * config/arm/t-arm-coff: Likewise.
5475 * config/arm/t-xscale-coff: Likewise.
5476 * config/arm/t-wince-pe: Likewise.
5478 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5480 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5483 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5486 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5489 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5492 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5493 as a valid 80387 constant.
5494 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5495 * config/i386/i386.md (unnamed splitter): Split the load of
5496 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5499 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5501 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5502 from the soft-frame, argument and virtual registers.
5504 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5506 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5507 patterns for standard 80387 constants.
5509 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5510 Steven Bosscher <steven@gcc.gnu.org>
5512 * fwprop.c: New file.
5513 * Makefile.in: Add fwprop.o.
5514 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5515 * passes.c (init_optimization_passes): Schedule forward propagation.
5516 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5518 * timevar.def (TV_FWPROP): New.
5519 * common.opt (-fforward-propagate): New.
5520 * opts.c (decode_options): Enable forward propagation at -O2.
5521 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5522 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5523 canon_for_address, table_size): Remove.
5524 (new_basic_block, insert, remove_from_table): Remove references to
5526 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5527 simplification loop more straightforward by not calling fold_rtx
5529 (equiv_constant): Move here a small part of fold_rtx_subreg,
5530 do not call fold_rtx. Call avoid_constant_pool_reference
5532 * recog.h (canonicalize_change_group): New.
5534 * doc/invoke.texi (Optimization Options): Document fwprop.
5535 * doc/passes.texi (RTL passes): Document fwprop.
5537 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5539 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5540 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5541 (grokdeclarator): Likewise.
5543 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5545 * tree-dump.c (dump_enable_all): Rename local variable
5546 ir_type to avoid name conflicts.
5547 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5548 instead of using ir_type().
5549 * profile.c (tree_register_profile_hooks): Likewise.
5550 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5551 * basic-block.h (struct edge_def): Likewise.
5552 * config/arm/arm.c (legitimize_pic_address): Likewise.
5553 * coretypes.h (ir_type): New enum of all intermediate languages
5555 * cfghooks.c (ir_type): Rename to...
5556 (current_ir_type): ...this. Distinguish between cfgrtl and
5557 cfglayout mode when the current IR is RTL. Return enum ir_type.
5558 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5560 2006-11-03 Paul Brook <paul@codesourcery.com>
5562 * config/arm/arm.c (arm_file_start): New function.
5563 (TARGET_ASM_FILE_START): Define.
5564 (arm_default_cpu): New variable.
5565 (arm_override_options): Set arm_default_cpu.
5567 2006-11-03 David Ung <davidu@mips.com>
5569 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5570 PROCESSOR_24KC and PROCESSOR_24KF.
5571 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5572 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5573 (mips_rtx_cost_data): Add costs for the 24kc.
5574 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5575 * config/mips/24k.md: Remove references to 24k and replace with
5576 uses of 24kc/24kf in the appropriate reservations.
5577 * doc/invoke.texi (MIPS Options): Updated.
5579 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5581 * config/sh/crt1.asm: Fix #ifdef indent.
5583 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5584 Merged from STMicroelectronics sources:
5585 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5586 * config/sh/crt1.asm (vbr_600): Add missing #if.
5587 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5588 * sh.opt (mfused-madd): New option.
5589 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5590 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5591 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5592 Remove pointless handler at VBR+0.
5593 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5594 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5595 fr7. Make sure the timer handler is called with the correct FPU
5596 precision setting, according to the ABI.
5597 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5598 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5599 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5600 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5601 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5602 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5603 zero as second operand.
5604 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5605 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5606 Fixed some bugs related to negative values, in particular -0
5607 and overflow at -0x80000000.
5608 * config/sh/divcost-analysis: Added sh4-300 figures.
5609 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5610 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5611 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5612 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5613 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5614 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5616 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5618 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5619 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5620 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5621 mac_mem, mem_mac, dfp_mul, fp_cmp.
5622 (insn_class, dfp_comp, any_fp_comp): Update.
5623 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
5624 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
5625 (muldf3_i): Likewise.
5626 (movsi_i): Split rI08 alternative into two separate alternatives.
5628 (movsi_ie, movsi_i_lowpart): Likewise.
5629 (movqi_i): Split ri alternative into two separate alternatives.
5631 * sh1.md (sh1_load_store, sh1_fp): Update.
5632 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
5633 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
5634 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
5635 (sh4a_fp_double_arith): Likewise.
5636 * sh4-300.md: New file.
5637 * sh.c (sh_handle_option): Handle m4-300* options.
5638 (sh_adjust_cost): Fix latency of auto-increments.
5639 Handle SH4-300 differently than other SH4s. Check for new insn types.
5640 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
5641 been set by an option.
5642 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
5643 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
5644 (mbranch-cost=): Likewise.
5645 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
5647 * sh.md (mulsf3): Remove special expansion code.
5648 (mulsf3_ie): Now a define_insn_and_split.
5649 (macsf3): Allow for TARGET_SH4.
5651 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
5652 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
5653 (expand_cbranchdi4): Likewise.
5654 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
5655 CONST_DOUBLE if the outer code is COMPARE.
5656 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
5657 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
5658 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
5659 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
5660 Remove redundant fp_{zero,one}_operand checks.
5661 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
5662 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
5663 (expand_cbranchdi4): Likewise.
5664 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
5665 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
5667 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5669 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
5672 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
5674 * doc/invoke.texi: Fix mfp-trap-mode typo.
5676 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
5678 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
5679 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
5680 file_end_indicate_exec_stack.
5681 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
5683 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
5684 for a non-executable stack.
5685 * crti.asm: Likewise.
5686 * crtn.asm: Likewise.
5687 * libunwind.S: Likewise.
5689 2006-11-02 Ben Elliston <bje@au.ibm.com>
5691 * tree-ssa.c (warn_uninit): Use expand_location variables for
5692 locus and declaration locus.
5694 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
5697 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
5698 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
5699 cmp{eq,gt,gtu}{si,di}_media.
5700 (*cmpne0si_media): Remove.
5701 (*movsicc_umin): Adjust gen_cmp*_media call.
5702 (unordered): Change the mode of unordered and operands[1] to
5704 (seq): Adjust gen_cmp*_media calls. Make the mode of
5705 a temporary result of compare SImode if needed. If the mode
5706 of operands[0] is DImode, extend the temporary result to DImode.
5707 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
5708 (sunorderd): Change the mode of match_operand and unorderd to
5710 (cmpeq{sf,df}_media): Remove.
5711 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
5712 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
5713 and compare operation to SImode.
5715 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
5717 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
5719 (sparc64-sun-solaris2*): Likewise.
5721 2006-11-02 Paul Brook <paul@codesourcery.com>
5723 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
5724 from priority argument. Use different section for non-default
5726 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
5728 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
5731 * except.c (switch_to_exception_section): Do not cache the section
5732 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5733 and flag_function_sections is set.
5735 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5738 * builtins.c (do_mpfr_sincos): New.
5739 (fold_builtin_1): Use it to fold builtin sincos.
5741 2006-11-01 Roger Sayle <roger@eyesopen.com>
5743 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
5744 it into -D_REENTRANT.
5746 2006-11-01 Roger Sayle <roger@eyesopen.com>
5748 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
5749 whether the assembler supports taking the difference of symbols in
5750 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
5751 * configure: Regenerate.
5752 * config.in: Regenerate.
5753 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
5754 the assembler doesn't support taking the difference of symbols in
5755 different sections, i.e. we're using the native solaris assembler.
5757 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
5758 Peter Bergner <bergner@vnet.ibm.com>
5760 * doc/invoke.texi: Add cpu_type power6x
5761 (RS/6000 and PowerPC Options): Add -mmfpgpr.
5762 * config.gcc: Add cpu_type power6x.
5763 * configure.ac: Add test for mf{t,f}gpr instructions.
5764 (HAVE_AS_MFPGPR): New.
5765 * config.in: Regenerate.
5766 * configure: Regenerate.
5767 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
5768 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
5769 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
5770 and mftgpr attributes.
5771 (define_attr "cpu"): Add power6.
5772 Change instruction sequences to use new attributes.
5773 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
5774 (fix_truncdfsi2_mfpgpr): New.
5775 (floatsidf_ppc64_mfpgpr): New.
5776 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
5777 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
5778 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
5779 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
5780 (fix_truncdfsi2): Use gpc_reg_operand constraint.
5781 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
5782 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
5783 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
5784 cntlz,exts and var_delayed_compare.
5785 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5786 _ARCH_PWR6X, if features enabled.
5787 * config/rs6000/rs6000.opt (mmfpgpr): New.
5788 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
5789 (cached_can_issue_more): New variable.
5790 (processor_costs): Add power6_cost.
5791 (rs6000_sched_init): New function.
5792 (is_dispatch_slot_restricted): Deleted.
5793 (set_to_load_agen): New function.
5794 (is_load_insn,is_store_insn): New functions.
5795 (adjacent_mem_locations): New function.
5796 (insn_must_be_first_in_group): New function.
5797 (insn_must_be_last_in_group): New function.
5798 (rs6000_sched_reorder): New function.
5799 (rs6000_sched_reorder2): New function.
5800 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
5801 TARGET_SCHED_REORDER2): Define.
5802 (processor_target_table): Use PROCESSOR_POWER6 for power6.
5803 Add power6x. Add MASK_MFPGPR for power6x.
5804 (POWERPC_MASKS): Add MASK_MFPGPR.
5805 (rs6000_override_options): Set rs6000_always_hint to false
5806 for power6. Set rs6000_align_branch_targets. Replace
5807 rs6000_sched_groups check with rs6000_align_branch_targets.
5808 Use PROCESSOR_POWER6.
5809 (last_scheduled_insn): New variable.
5810 (load_store_pendulum): New variable.
5811 (rs6000_variable_issue): Set last_scheduled_insn and
5812 cached_can_issue_more.
5813 (rs6000_adjust_cost): Add power6 cost adjustments.
5814 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
5815 with insn_must_be_first_in_group. Add power6 priority adjustments.
5816 (rs6000_issue_rate): Add CPU_POWER6.
5817 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
5818 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
5819 (TARGET_MFPGPR): New.
5820 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
5821 (ASM_CPU_SPEC): Add power6x.
5822 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
5824 * config/rs6000/power6.md: New file.
5826 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
5828 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5829 HOST_WIDE_INT_PRINT to print high and low parts. Use
5830 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
5831 printing a hexadecimal number prefix it with 0x.
5833 2006-11-01 Chris Johns <chris@contemporary.net.au>
5836 * Makefile.in (install-driver): Use exeext when installing
5837 $target-gcc-$version.
5839 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
5841 * c-common.c (flag_cpp0x): New.
5842 * c-common.h (flag_cpp0x): New.
5843 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
5844 supported, define __GXX_EXPERIMENTAL_CPP0X__.
5845 * c-opts.c (set_std_cxx0x): New.
5846 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
5847 * c.opt (std=c++0x): Document.
5848 (std=gnu++0x): Ditto.
5849 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
5850 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
5852 2006-11-01 Richard Guenther <rguenther@suse.de>
5854 * config/i386/i386.c (ix86_expand_rint): Fix issues with
5856 (ix86_expand_floorceildf_32): Likewise.
5857 (ix86_expand_floorceil): Likewise.
5858 (ix86_expand_trunc): Likewise.
5860 2006-10-31 Andrew Pinski <pinskia@gmail.com>
5862 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
5865 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
5867 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
5869 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
5871 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
5873 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
5874 * configure.ac (use_cxa_atexit): As a special case, don't test
5875 for libc definition of __cxa_atexit on mingw32
5876 * configure: Regenerate.
5877 * config.gcc (i[34567]86-pc-mingw32): Default to
5878 enable__cxa_atexit=yes.
5880 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5882 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
5884 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5887 * c-decl.c (start_struct): Don't create self-containing
5889 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
5891 * config/rs6000/rs6000-protos.h
5892 (darwin_rs6000_special_round_type_align): New.
5893 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
5894 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
5896 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5898 * toplev.c (compile_file): Call final_write_globals
5899 even if there have been errors.
5901 2006-10-31 Eric Christopher <echristo@apple.com>
5902 Falk Hueffner <falk@debian.org>
5904 * doc/extend.texi (__builtin_bswap32): Document.
5905 (__builtin_bswap64): Ditto.
5906 * doc/libgcc.texi (bswapsi2): Document.
5908 * doc/rtl.texi (bswap): Document.
5909 * optabs.c (expand_unop): Don't widen a bswap.
5910 (init_optabs): Init bswap. Set libfuncs explicitly
5911 for bswapsi2 and bswapdi2.
5912 * optabs.h (OTI_bswap): New.
5913 (bswap_optab): Ditto.
5914 * genopinit.c (optabs): Handle bswap_optab.
5915 * tree.h (tree_index): Add TI_UINT32_TYPE and
5917 (uint32_type_node): New.
5918 (uint64_type_node): Ditto.
5919 * tree.c (build_common_tree_nodes_2): Initialize
5920 uint32_type_node and uint64_type_node.
5921 * builtins.c (expand_builtin_bswap): New.
5922 (expand_builtin): Call.
5923 (fold_builtin_bswap): New.
5924 (fold_builtin_1): Call.
5925 * fold-const.c (tree_expr_nonnegative_p): Return true
5927 * builtin-types.def (BT_UINT32): New.
5929 (BT_FN_UINT32_UINT32): Ditto.
5930 (BT_FN_UINT64_UINT64): Ditto.
5931 * builtins.def (BUILT_IN_BSWAP32): New.
5932 (BUILT_IN_BSWAP64): Ditto.
5933 * rtl.def (BSWAP): New.
5934 * genattrtab.c (check_attr_value): New.
5935 * libgcc2.c (__bswapSI2): New.
5936 (__bswapDI2): Ditto.
5937 * libgcc2.h (__bswapSI2): Declare.
5938 (__bswapDI2): Ditto.
5939 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
5940 * simplify-rtx.c (simplify_const_unary_operation): Return
5942 * libgcc-std.ver (__bwapsi2): Add.
5943 (__bswapdi2): Ditto.
5944 * reload1.c (eliminate_regs_1): Add bswap.
5945 (elimination_effects): Ditto.
5946 * config/i386/i386.h (x86_bswap): New.
5947 (TARGET_BSWAP): Use.
5948 * config/i386/i386.c (x86_bswap): Set.
5950 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5952 * coverage.c (coverage_checksum_string): Update comment.
5953 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
5954 of get_file_function_name.
5955 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
5956 of get_file_function_name_long.
5957 * tree.c (get_file_function_name): Rename from
5958 get_file_function_name_long; improve comment; handle 'I' and 'D'
5959 specially when the target has ctor/dtor support; remove special
5961 (get_file_function_name): Remove.
5962 * tree.h (get_file_function_name): Rename from
5963 get_file_function_name_long.
5964 (get_file_function_name): Remove prototype.
5966 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5968 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
5969 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
5971 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
5972 Call dsymutil when compiling and linking one or more source files
5975 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5978 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
5980 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5982 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
5983 inline static functions in c99 mode.
5986 * doc/extend.texi (Inline): Update.
5987 * c-tree.h (struct language_function): Remove field 'extern_inline'.
5988 * c-decl.c (current_extern_inline): Delete.
5989 (pop_scope): Adjust test for an undefined nested function.
5990 Add warning about undeclared inline function.
5991 (diagnose_mismatched_decls): Update comments. Disallow overriding
5992 of inline functions in a translation unit in C99. Allow inline
5993 declarations in C99 at any time.
5994 (merge_decls): Boolize variables. Handle C99 'extern inline'
5996 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
5997 C99 inline semantics.
5998 (start_function): Don't clear current_extern_inline. Don't set
6000 (c_push_function_context): Don't push current_extern_inline.
6001 (c_pop_function_context): Don't restore current_extern_inline.
6004 * c-typeck.c (build_external_ref): Warn about static variables
6005 used in extern inline functions.
6006 * c-decl.c (start_decl): Warn about static variables declared
6007 in extern inline functions.
6009 2006-10-31 Roger Sayle <roger@eyesopen.com>
6012 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
6013 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
6014 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
6015 or y is an even integer.
6017 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
6020 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
6021 * gthr-posix95.h (__gthread_active_p): Likewise.
6023 2006-10-31 Richard Guenther <rguenther@suse.de>
6025 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
6026 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
6027 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
6028 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
6029 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
6030 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
6031 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
6032 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
6035 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
6037 * opts.c (decode_options): Disable CSE skip blocks.
6039 2006-10-30 Dirk Mueller <dmueller@suse.de>
6041 * c-common.h (strict_aliasing_warning): Fix whitespace.
6042 * c-decl (start_function): Move code for main decl warning ..
6043 * c-common.c (check_main_parameter_types): .. here.
6044 * c-common.h (check_main_parameter_types): Declare.
6046 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6049 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
6051 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
6053 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
6054 be a PARALLEL containing sets. Return false when out_pat is not
6057 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6059 * config/mips/mips.md (mul<mode>3): Split into...
6060 (mulsi3, muldi3): ...these separate patterns.
6062 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6064 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
6065 but with each set of options separated by spaces.
6067 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
6069 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
6070 dwarf_reg_size_table has been initialized.
6072 2006-10-30 Roger Sayle <roger@eyesopen.com>
6074 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
6075 * ddg.c (print_ddg_edge): Likewise.
6076 * dwarf2out.c (prune_unused_types_walk): Likewise.
6077 * ifcvt.c (noce_try_cmove_arith): Likewise.
6078 * langhooks.c (add_builtin_function): Likewise.
6079 * reg-stack.c (subst_stack_regs_pat): Likewise.
6080 * tree.c (expanded_location): Likewise.
6081 * tree-dump.c (dequeue_and_dump): Likewise.
6083 2006-10-30 David Daney <ddaney@avtrex.com>
6085 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
6087 2006-10-30 Jakub Jelinek <jakub@redhat.com>
6089 PR tree-optimization/29637
6090 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
6091 of the innertype is the innertype itself.
6093 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
6095 * dwarf2out.c (file_name_acquire): Correct typo.
6097 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
6099 * tree.h (tree_value_handle): Remove struct value_set declaration.
6100 Change value_set to bitmap_set.
6101 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
6102 * tree-vn.c (get_value_handle): Made inline and moved to
6104 * tree-flow-inline.h: (has_stmt_ann): New function.
6105 * tree-ssa-pre.c (expressions): New variable.
6106 (next_expression_id): Ditto.
6107 (alloc_expression_id): New function.
6108 (struct value_set): Remove.
6109 (get_expression_id): New function.
6110 (get_or_alloc_expression_id): Ditto.
6111 (expression_for_id): Ditto.
6112 (clear_expression_ids): Ditto.
6113 (FOR_EACH_EXPR_ID_IN_SET): New macro.
6114 (bb_value_sets): Renamed to bb_bitmap_sets.
6115 All value sets replaced with bitmap_sets.
6117 (BB_VISITED): New macro.
6118 (postorder): New variable.
6119 (add_to_value): Removed.
6120 (value_exists_in_set_bitmap): Ditto.
6121 (value_insert_into_set_bitmap): Ditto.
6124 (set_remove): Ditto.
6125 (set_contains_value): Ditto.
6126 (insert_into_set): Ditto.
6128 (find_leader): Ditto.
6129 (bitmap_set_subtract_from_value_set): Ditto.
6130 (value_insert_into_set): Ditto.
6131 (print_value_set): Ditto.
6132 (debug_value_set): Ditto.
6133 (constant_expr_p): New function.
6134 (bitmap_remove_from_set): Ditto.
6135 (bitmap_insert_into_set): Ditto.
6136 (bitmap_set_free): Ditto.
6137 (vh_compare): Ditto.
6138 (sorted_array_from_bitmap_set): Ditto.
6139 (bitmap_set_subtract): Ditto.
6140 (bitmap_set_equal): Ditto.
6141 (debug_bitmap_set): Ditto.
6142 (find_leader_in_sets): Ditto.
6143 (bitmap_set_replace_value): Modify for bitmapped sets.
6144 (phi_translate): Ditto.
6145 (phi_translate_set): Ditto.
6146 (bitmap_find_leader): Ditto.
6147 (valid_in_sets): Ditto.
6148 (union_contains_value): Ditto.
6150 (compute_antic_aux): Ditto. Mark changed blocks.
6151 (compute_antic): Ditto. Iterate in postorder and only over
6153 (compute_rvuse_and_antic_safe): Reuse postorder.
6154 (create_component_ref_by_pieces): Modify for bitmapped sets.
6155 (find_or_generate_expression): Ditto.
6156 (create_expression_by_pieces): Ditto.
6157 (insert_into_preds_of_block): Ditto.
6158 (changed_blocks): New variable.
6159 (do_regular_insertion): Broken out from insert_aux.
6160 (insert_aux): Modified for bitmapped sets.
6161 (find_existing_value_expr): New function.
6162 (create_value_expr_from): Use it.
6163 (insert_extra_phis): Removed.
6164 (print_bitmap_set): Renamed from bitmap_print_value_set.
6165 (compute_avail): Handle RETURN_EXPR.
6166 (init_pre): Modify for bitmapped sets.
6167 * tree-flow.h (has_stmt_ann): New function.
6169 2006-10-29 Roger Sayle <roger@eyesopen.com>
6171 * builtins.c (fold_builtin_floor): Check for the availability of
6172 the C99 trunc function before transforming floor into trunc.
6174 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6176 * builtins.c (fold_builtin_hypot): Rearrange recursive
6177 transformation before others, and also do ABS_EXPR. When
6178 necessary, check flag_unsafe_math_optimizations. When necessary,
6181 2006-10-29 Roger Sayle <roger@eyesopen.com>
6183 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6184 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6185 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6186 Fold -X eq/ne -Y as X eq/ne Y.
6188 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6190 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6191 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
6192 rather than GENERATE_MULT3_SI in the various define_peephole2s.
6193 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6194 Use an inclusive test for "mult" rather than "mul".
6195 (rotr<mode>3): Depend on ISA_HAS_ROR.
6196 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6198 (GENERATE_MULT3_DI): Delete.
6199 (ISA_HAS_64BIT_REGS): Use consistent formatting.
6200 (ISA_HAS_MUL3): New macro.
6201 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6202 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6203 (ISA_HAS_CLZ_CLO): Likewise.
6204 (ISA_HAS_DCLZ_DCLO): Delete.
6205 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6206 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6207 the VR4120 and VR4130.
6208 (ISA_HAS_MACCHI): Use consistent formatting.
6209 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6210 (ISA_HAS_ROR): ...this new macro.
6211 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6212 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6213 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6215 2006-10-29 Roger Sayle <roger@eyesopen.com>
6217 PR tree-optimization/15458
6218 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6221 2006-10-29 Richard Guenther <rguenther@suse.de>
6223 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6224 (ix86_expand_truncdf_32): Likewise.
6225 * config/i386/i386.c (ix86_expand_trunc): New function expanding
6226 trunc inline for SSE math and -fno-trapping-math and if not
6227 optimizing for size.
6228 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6229 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6230 for expanding btrunc inline for SSE math.
6232 2006-10-29 Joseph Myers <joseph@codesourcery.com>
6234 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6235 Handle tuning for bi-arch i[34567]86-*-linux* like that for
6236 i[34567]86-*-solaris2.1[0-9]*.
6237 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6238 Define conditionally depending on TARGET_64BIT_DEFAULT.
6239 (SPEC_32, SPEC_64): Define.
6240 (LINK_SPEC): Use them.
6241 * doc/install.texi (--enable-targets=all): Document for x86-linux.
6243 2006-10-29 Richard Guenther <rguenther@suse.de>
6245 * config/i386/i386-protos.h (ix86_expand_round): Declare.
6246 (ix86_expand_rounddf_32): Likewise.
6247 * config/i386/i386.c (ix86_expand_round): New function expanding
6248 round inline for SSE math and -fno-trapping-math and if not
6249 optimizing for size.
6250 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6251 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6252 round via ix86_expand_round.
6254 2006-10-29 Richard Guenther <rguenther@suse.de>
6256 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6257 (ix86_expand_floorceildf_32): Likewise.
6258 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6259 static helper function.
6260 (ix86_expand_floorceil): Expander for floor and ceil to SSE
6262 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
6263 * config/i386/i386.md (floordf2): Adjust to enable floor
6264 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
6265 -fno-trapping-math is enabled and if not optimizing for size.
6266 (floorsf2, ceildf2, ceilsf2): Likewise.
6267 * config/i386/sse.md (sse_maskcmpsf3): New insn.
6268 (sse2_maskcmpdf3): Likewise.
6270 2006-10-29 Richard Guenther <rguenther@suse.de>
6272 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
6273 rint in case -fno-trapping-math is enabled.
6274 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6275 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
6276 (ix86_expand_sse_fabs): Likewise.
6277 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
6278 * config/i386/i386.md (rintdf2): Enable for SSE math if
6279 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
6280 (rintsf2): Likewise.
6282 2006-10-29 Richard Guenther <rguenther@suse.de>
6284 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
6285 to conversion optabs.
6286 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
6287 as conversion optab.
6288 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
6289 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
6290 (lfloor_optab, lceil_optab): Adjust defines.
6291 * builtins.c (expand_builtin_int_roundingfn): Adjust for
6292 lfloor and lceil optabs now being conversion optabs.
6293 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
6294 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
6295 New static helper function.
6296 (ix86_expand_lfloorceil): New function to expand lfloor and
6298 * config/i386/i386.md (lfloor<mode>2): Split into ...
6299 (lfloorxf<mode>2): ... x87 variant
6300 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
6301 using ix86_expand_lfloorceil.
6302 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
6304 * doc/md.texi (lfloorMN, lceilMN): Document.
6306 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6308 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
6309 -mno-shared assembler option on mips targets.
6310 * configure, config.in: Regenerate.
6311 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
6312 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
6313 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
6315 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6317 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
6318 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6320 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
6322 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
6323 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
6326 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6329 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
6330 (fold_builtin_pow): Evaluate constant arguments at compile-time
6332 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
6333 (do_mpfr_ckconv): New helper function.
6334 (do_mpfr_arg1): Use do_mpfr_ckconv.
6335 (do_mpfr_arg2): New.
6337 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
6340 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
6341 (-fdump-rtl-sched): Rename to ..
6342 (-fdump-rtl-sched1): here. Also fix file extension number.
6344 2006-10-28 Richard Guenther <rguenther@suse.de>
6346 * fold-const.c (maybe_canonicalize_comparison): Fix code
6349 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6351 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
6352 (NON_QI_REG_P): Use IN_RANGE.
6353 (REX_INT_REGNO_P): Use IN_RANGE.
6354 (FP_REGNO_P): Use IN_RANGE.
6355 (SSE_REGNO_P): Use IN_RANGE.
6356 (REX_SSE_REGNO_P): Use IN_RANGE.
6357 (MMX_REGNO_P): Use IN_RANGE.
6358 (STACK_REGNO_P): New macro.
6359 (STACK_REG_P): Use STACK_REGNO_P.
6360 (NON_STACK_REG_P): Use STACK_REGNO_P.
6361 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
6362 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
6363 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
6364 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
6365 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
6367 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
6369 * except.h (output_function_exception_table): Add 'const char*' param.
6370 * except.c (switch_to_exception_section): Add 'const char*' param.
6371 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6372 and flag_function_sections is set, use a function-specific section.
6373 (output_function_exception_table): Add 'const char*' param.
6374 Adjust call to switch_to_exception_section.
6375 * final.c (rest_of_handle_final): Adjust calls to
6376 output_function_exception_table.
6377 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
6378 * config.in: Regenerate.
6379 * configure: Likewise.
6381 2006-10-28 Richard Guenther <rguenther@suse.de>
6384 * fold-const.c (maybe_canonicalize_comparison_1): Helper
6385 for maybe_canonicalize_comparison.
6386 (maybe_canonicalize_comparison): New function for canonicalizing
6388 (fold_comparison): Call it to canonicalize comparisons with
6391 2006-10-28 Richard Guenther <rguenther@suse.de>
6394 * builtins.c (expand_builtin_int_roundingfn_2): Expand
6395 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
6396 (expand_builtin): Adjust likewise.
6397 * genopinit.c (optabs[]): Add lround optab.
6398 * optabs.c (init_optabs): Initialize lround_optab.
6399 * optabs.h (enum convert_optab_index): Add COI_lround.
6400 (lround_optab): Define.
6401 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
6402 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
6404 (ix86_expand_lround): New function.
6405 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6407 * doc/md.texi (lroundMN2): Document.
6409 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6412 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6413 argument to HOST_WIDE_INT. Update function prototype.
6414 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6415 "size" argument to HOST_WIDE_INT. Update function prototype.
6417 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6419 * config/i386/i386.c (output_387_ffreep): Create output from a
6420 template string for !HAVE_AS_IX86_FFREEP.
6422 2006-10-27 Eric Christopher <echristo@apple.com>
6424 * config/darwin.c: Fix formatting and grammar.
6426 2006-10-27 Jan Hubicka <jh@suse.cz>
6428 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6429 to be thrown away soon when IGNORE is set.
6430 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6431 indicating when return value shall not be computed.
6432 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6434 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6436 * config/i386/i386.h (TARGET_GEODE):
6437 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6438 (TARGET_CPU_DEFAULT_geode): New macro.
6439 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6440 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6441 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6442 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6443 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6445 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6446 (processor_type): Add PROCESSOR_GEODE.
6448 * config/i386/i386.md: Include geode.md.
6451 * config/i386/i386.c (geode_cost): New initialized global
6453 (m_GEODE, m_K6_GEODE): New macros.
6454 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6455 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6456 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6457 x86_schedule): Use m_K6_GEODE instead of m_K6.
6458 (x86_movx, x86_cmove): Set up m_GEODE.
6459 (x86_integer_DFmode_moves): Clear m_GEODE.
6460 (processor_target_table): Add entry for geode.
6461 (processor_alias_table): Ditto.
6463 * config/i386/geode.md: New file.
6465 * doc/invoke.texi: Add entry about geode processor.
6467 2006-10-27 Mike Stump <mrs@apple.com>
6469 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6470 __DYNAMIC__ from here back to ...
6471 * config/darwin.h (CPP_SPEC): ... here.
6473 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6474 Nathan Sidwell <nathan@codesourcery.com>
6476 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6477 when choosing the minimum heapsize.
6479 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6481 * gcc/unwind-dw2.h: Move cfa-related variables into
6482 struct frame_state_reg_info to ensure that the CFA is properly
6483 handled when executing DW_CFA_{remember,restore}_state.
6484 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6485 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6486 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6487 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6488 gcc/config/rs6000/linux-unwind.h,
6489 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6490 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6491 Modify to use new cfa_* fields.
6493 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6495 * config/s390/s390.c (s390_init_frame_layout): Check positive
6498 2006-10-26 Ben Elliston <bje@au.ibm.com>
6500 * gimplify.c (get_name): Remove extraneous break.
6501 (gimplify_omp_for): Initialise ret with GS_OK.
6503 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6505 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6506 Add unix98.o to link line.
6508 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6511 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6512 Calculate compile-time constants using MPFR.
6513 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6514 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6516 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6518 * config/xtensa/lib2funcs.S: Use C-style comments.
6520 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6522 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6523 (file_table_relative_p): Likewise.
6524 (dwarf2out_finish): Likewise.
6525 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6527 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6529 * tree-ssa-structalias.c (intra_create_variable_infos):
6530 Don't recreate nonlocal_all if it already exists.
6532 2006-10-25 Richard Guenther <rguenther@suse.de>
6535 * optabs.h (enum optab_index): Remove OTI_lrint.
6536 (enum convert_optab_index): Add COI_lrint.
6537 (lrint_optab): Adjust.
6538 (expand_sfix_optab): Declare.
6539 * optabs.c (expand_sfix_optab): New function.
6540 (init_optabs): Init lrint_optab as conversion optab.
6541 * genopinit.c (lrint_optab): Change to a conversion optab.
6542 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6543 expansion via conversion optab.
6544 * config/i386/i386.md (*fistdi2_1): Remove
6545 flag_unsafe_math_optimizations guard.
6546 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6547 fist<mode>2_with_temp): Likewise.
6548 (lrint<mode>2): Split into...
6549 (lrintxf<mode>2): ... x87 part
6550 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6551 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6552 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6553 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6554 * doc/md.texi (lrintMN2): Document.
6556 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6559 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6560 Use inc and dec instructions for TARGET_USE_INCDEC.
6561 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6562 ("sync_double_compare_and_swap<mode>"): Likewise.
6563 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6564 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6565 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6566 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6567 ("sync_old_add<mode>"): Likewise.
6568 ("sync_lock_test_and_set<mode>"): Likewise.
6569 ("sync_lock_test_and_set<mode>"): Likewise.
6570 ("sync_add<mode>"): Likewise.
6571 ("sync_sub<mode>"): Likewise.
6572 ("sync_ior<mode>"): Likewise.
6573 ("sync_and<mode>"): Likewise.
6574 ("sync_xor<mode>"): Likewise.
6576 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6578 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6579 (remainder_optab): Define corresponding macro.
6580 (drem_optab): Remove.
6581 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6582 drem_optab initialization.
6583 * genopinit.c (optabs): Implement remainder_optab using
6584 remainder?f3 patterns. Remove drem_optab.
6585 * builtins.c (expand_builtin_mathfn_2): Handle
6586 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6587 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6588 expand_builtin_mathfn_2.
6590 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6591 depend on flag_unsafe_math_optimizations.
6593 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6594 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6595 Do not depend on flag_unsafe_math_optimizations. Use
6596 truncxf?f expander instead of truncxf?f_i387_noop.
6598 ("fpremxf4", "fprem1xf4"): Do not depend on
6599 flag_unsafe_math_optimizations.
6600 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6601 flag_unsafe_math_optimizations. Use truncxf?f expander
6602 instead of truncxf?f_i387_noop.
6604 * doc/md.texi (fmod, remainder): Document standard named pattern.
6606 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6607 David Daney <ddaney@avtrex.com>
6610 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6612 2006-10-25 Ben Elliston <bje@au.ibm.com>
6614 * doc/extend.texi (Variable Attributes): Typo fix.
6616 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6618 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6619 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6620 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6621 (FRAME_POINTER_REGNUM): Update register number to 21.
6622 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
6623 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
6625 * config/i386/i386.c (regclass_map): Add fpcr entry.
6626 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
6628 (print_reg): Assert REGNO (x) != FPCR_REG.
6630 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
6631 (DIRFLAG_REG): Renumber.
6632 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
6633 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
6634 (sse_prologue_save, *sse_prologue_save_insn): Renumber
6635 hardcoded SSE register numbers.
6637 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
6638 hardcoded MMX register numbers.
6640 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6643 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6644 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
6646 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
6647 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
6648 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
6649 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
6651 2006-10-24 Richard Guenther <rguenther@suse.de>
6654 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
6655 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
6656 for deciding optimizations in consistency with fold-const.c
6657 (fold_builtin_unordered_cmp): Likewise.
6659 2006-10-24 Richard Guenther <rguenther@suse.de>
6661 * builtins.c (fold_builtin_floor): Fold floor (x) where
6662 x is nonnegative to trunc (x).
6663 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
6664 nonnegative to FIX_TRUNC_EXPR.
6666 2006-10-24 Richard Guenther <rguenther@suse.de>
6668 PR tree-optimization/29567
6669 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
6670 for TRUTH_NOT_EXPR. Clarify comments.
6672 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6675 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
6676 at compile-time using MPFR. Change parameter VALUE to FUNC,
6678 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
6679 for overflow and underflow at all times and avoid folding in
6682 2006-10-24 Ben Elliston <bje@au.ibm.com>
6684 * reload1.c: Formatting fixes.
6686 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
6688 PR tree-optimization/14784
6689 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
6690 * tree-ssa-structalias.c (get_constraint_for,
6691 intra_create_variable_infos): Set is_heapvar.
6692 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
6693 non-heapvar pointer variables specially.
6695 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6698 * builtins.c (fold_builtin_sin, fold_builtin_cos,
6699 fold_builtin_tan): Fold all constant arguments. Take a "type"
6700 argument as necessary.
6701 (do_mpfr_arg1): New.
6702 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
6704 2006-10-23 Bob Wilson <bob.wilson@acm.org>
6706 * config/xtensa/lib1funcs.asm: Use C-style comments.
6708 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
6710 * tree.c (local_define_builtin): Replace calls to
6711 lang_hooks.builtin_function with add_builtin_function.
6712 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
6714 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
6716 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
6717 common code to add_builtin_function.
6718 * langhooks.c (add_builtin_function): New function.
6719 (lhd_builtin_function): New function.
6720 * langhooks.h (struct lang_hooks): Change the signature of
6722 (add_builtin_function): New function.
6723 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
6724 calls to lang_hooks.builtin_function with add_builtin_function.
6725 * c-common.c (decl_builtin_1): Replace calls to
6726 lang_hooks.builtin_function with add_builtin_function.
6727 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
6728 lang_hooks.builtin_function with add_builtin_function.
6729 * config/frv/frv.c (def_builtin): Replace calls to
6730 lang_hooks.builtin_function with add_builtin_function.
6731 * config/s390/s390.c (s390_init_builtins): Replace calls to
6732 lang_hooks.builtin_function with add_builtin_function.
6733 * config/sparc/sparc.c (def_builtin): Replace calls to
6734 lang_hooks.builtin_function with add_builtin_function.
6735 * config/i386/i386.c (def_builtin): Replace calls to
6736 lang_hooks.builtin_function with add_builtin_function.
6737 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
6738 lang_hooks.builtin_function with add_builtin_function.
6739 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
6740 lang_hooks.builtin_function with add_builtin_function.
6741 * config/stormy16/stormy16.c (xstormy16_init_builtins):
6742 Replace calls to lang_hooks.builtin_function with
6743 add_builtin_function.
6744 * config/iq2000/iq2000.c (def_builtin):
6745 Replace calls to lang_hooks.builtin_function with
6746 add_builtin_function.
6747 * config/ia64/ia64.c (def_builtin): Replace calls to
6748 lang_hooks.builtin_function with add_builtin_function.
6749 * config/rs6000/rs6000.c (def_builtin): Replace calls to
6750 lang_hooks.builtin_function with add_builtin_function.
6751 (altivec_init_builtins): Replace calls to
6752 lang_hooks.builtin_function with add_builtin_function.
6753 * config/arm/arm.c (def_mbuiltin): Replace calls to
6754 lang_hooks.builtin_function with add_builtin_function.
6755 (arm_init_tls_builtins): Replace calls to
6756 lang_hooks.builtin_function with add_builtin_function.
6757 * config/mips/mips.c (mips_init_builtins): Replace calls to
6758 lang_hooks.builtin_function with add_builtin_function.
6759 * config/bfin/bfin.c (def_builtin): Replace calls to
6760 lang_hooks.builtin_function with add_builtin_function.
6761 * langhooks-def.h (lhd_builtin_function): New function.
6762 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
6764 2006-10-23 Jakub Jelinek <jakub@redhat.com>
6766 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
6767 BUILT_IN_STRNCAT_CHK.
6769 2006-10-23 Jan Hubicka <jh@suse.cz>
6771 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
6772 don't do conversion from memmove to memcpy here.
6773 (expand_builtin_bcopy, expand_builtin): Update call of
6774 expand_builtin_memmove.
6775 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
6777 2006-10-23 Paul Brook <paul@codesourcery.com>
6779 * stor-layout.c (start_record_layout): maximum_field_alignment
6780 overrides STRUCTURE_SIZE_BOUNDARY.
6782 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
6784 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
6785 nonlocal function symbols if flag_pic.
6787 2006-10-23 Richard Guenther <rguenther@suse.de>
6791 * builtins.c (fold_binary): Remove checks for flag_wrapv
6792 and flag_trapv where negate_expr_p covers these cases.
6794 2006-10-23 Richard Guenther <rguenther@suse.de>
6797 * fold-const.c (fold_plusminus_mult_expr): Check exact power
6798 of two on the absolute value.
6799 (fold_binary): Fold x * -C to -x * C if x is easily negatable
6800 and negating -C does not overflow.
6802 2006-10-23 Richard Guenther <rguenther@suse.de>
6805 * convert.c (convert_to_real): Fold (float)-x to -(float)x
6806 only if not flag_rounding_math.
6808 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6809 Kaz Kojima <kkojima@gcc.gnu.org>
6812 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
6813 SImode memory reference for the source of a movua.
6814 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
6815 (movua): Use an unspec instead of sign_extract. Expect the source
6816 to have mode BLKmode.
6817 (extv, insv): Use a BLKmode rather than SImode memory reference
6818 for the source of a movua.
6820 2006-10-22 Jeff Law <law@redhat.com>
6821 Richard Guenther <rguenther@suse.de>
6823 PR tree-optimization/15911
6824 * tree-vrp.c (extract_code_and_val_from_cond): New function.
6825 (register_edge_assert_for_1): Likewise.
6826 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
6827 (find_conditional_asserts): Adjust for new function signature.
6828 (find_assert_locations): Likewise.
6830 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6832 * config/i386/tmmintrin.h: Remove the duplicated content.
6834 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6836 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
6837 (x86_64-*-*): Likewise.
6839 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
6840 (override_options): Check SSSE3.
6841 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
6842 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
6843 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
6844 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
6845 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
6846 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
6847 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
6848 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
6849 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
6850 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
6851 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
6852 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
6853 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
6854 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
6855 IX86_BUILTIN_PABSD128.
6856 (bdesc_2arg): Add SSSE3.
6857 (bdesc_1arg): Likewise.
6858 (ix86_init_mmx_sse_builtins): Support SSSE3.
6859 (ix86_expand_builtin): Likewise.
6860 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
6862 * config/i386/i386.md (UNSPEC_PSHUFB): New.
6863 (UNSPEC_PSIGN): Likewise.
6864 (UNSPEC_PALIGNR): Likewise.
6865 Include mmx.md before sse.md.
6867 * config/i386/i386.opt: Add -mssse3.
6869 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
6870 (ssse3_phaddwv4hi3): Likewise.
6871 (ssse3_phadddv4si3): Likewise.
6872 (ssse3_phadddv2si3): Likewise.
6873 (ssse3_phaddswv8hi3): Likewise.
6874 (ssse3_phaddswv4hi3): Likewise.
6875 (ssse3_phsubwv8hi3): Likewise.
6876 (ssse3_phsubwv4hi3): Likewise.
6877 (ssse3_phsubdv4si3): Likewise.
6878 (ssse3_phsubdv2si3): Likewise.
6879 (ssse3_phsubswv8hi3): Likewise.
6880 (ssse3_phsubswv4hi3): Likewise.
6881 (ssse3_pmaddubswv8hi3): Likewise.
6882 (ssse3_pmaddubswv4hi3): Likewise.
6883 (ssse3_pmulhrswv8hi3): Likewise.
6884 (ssse3_pmulhrswv4hi3): Likewise.
6885 (ssse3_pshufbv16qi3): Likewise.
6886 (ssse3_pshufbv8qi3): Likewise.
6887 (ssse3_psign<mode>3): Likewise.
6888 (ssse3_psign<mode>3): Likewise.
6889 (ssse3_palignrti): Likewise.
6890 (ssse3_palignrdi): Likewise.
6891 (abs<mode>2): Likewise.
6892 (abs<mode>2): Likewise.
6894 * config/i386/tmmintrin.h: New file.
6896 * doc/extend.texi: Document SSSE3 built-in functions.
6898 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
6900 2006-10-22 Ira Rosen <irar@il.ibm.com>
6902 * tree-vect-transform.c (vectorizable_load): Use the type of the
6903 return value of the mask_for_load builtin to create realign_load
6906 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6908 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
6911 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
6913 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
6914 (UNSPEC_LDDQU): This.
6915 * config/i386/sse.md (sse3_lddqu): Updated.
6917 2006-10-21 Richard Guenther <rguenther@suse.de>
6919 * builtins.c (expand_builtin_int_roundingfn_2): New function.
6920 (expand_builtin): Use it to expand lrint instead of
6921 expand_builtin_mathfn.
6923 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6926 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
6927 flag_unsafe_math_optimizations is set.
6929 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6932 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
6933 patterns to use memory input operand in x87->mem->XMM
6934 reload sequences. Skip transformation for TARGET_K8.
6936 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6938 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
6939 force operand1 to register if both operands are memory operands.
6940 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
6941 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
6942 if both operands are memory operands.
6943 (truncdfsf2): Do not force operand1 to register if both operands
6944 are memory operands.
6946 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6948 * Makefile.in (LIBS): Add $(GMPLIBS).
6949 * doc/install.texi: Update GMP and MPFR requirements.
6950 * doc/sourcebuild.texi (need_gmp): Delete.
6952 2006-10-21 Richard Guenther <rguenther@suse.de>
6954 PR tree-optimization/3511
6955 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
6956 got new invariant arguments during PHI translation.
6958 2006-10-21 Richard Guenther <rguenther@suse.de>
6961 * fold-const.c (fold_comparison): Fold signed comparisons
6962 of the form X +- C1 CMP Y +- C2.
6964 2006-10-21 Richard Guenther <rguenther@suse.de>
6967 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
6968 if flag_unsafe_math_optimizations is specified. We have
6969 flag_finite_math_only for that.
6970 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
6971 or flag_unsafe_math_optimizations.
6973 2006-10-21 Richard Guenther <rguenther@suse.de>
6975 * builtins.c (fold_builtin_classify): Fix typo.
6977 2006-10-21 Richard Guenther <rguenther@suse.de>
6980 * simplify-rtx.c (simplify_const_relational_operation):
6981 Do not constant-fold ORDERED and UNORDERED for
6982 flag_unsafe_math_optimizations but only we do not need to
6983 honor NaNs for the given mode.
6985 2006-10-21 Richard Guenther <rguenther@suse.de>
6988 * config/i386/i386.c (classify_argument): Remove redundant
6989 walking of the BINFOs.
6990 (contains_128bit_aligned_vector_p): Likewise.
6992 2006-10-20 Mark Mitchell <mark@codesourcery.com>
6994 * BASE-VER: Set to 4.3.0.
6996 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
6998 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
6999 (tree_decl_with_vis): Remove artificial_pta_var flag.
7000 * tree-flow.h (referenced_var_check_and_insert): Expose.
7001 (nonlocal_all): New prototype.
7002 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
7003 (nonlocal_all): Make global.
7004 (nonlocal_lookup): Remove.
7005 (nonlocal_insert): Ditto.
7006 (create_nonlocal_var): Do not call nonlocal_insert.
7007 (get_nonlocal_id_for_type): Remove.
7008 (find_global_initializers): Mark new vars we find for renaming.
7009 (intra_create_variable_infos): Only create one nonlocal.
7010 (expand_nonlocal_solutions): Remove.
7011 (compute_points_to_sets): Don't call it.
7012 (ipa_pta_execute): Ditto.
7013 (init_alias_heapvars): Don't create nonlocal_for_type.
7014 (delete_alias_heapvars): Don't remove it.
7015 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
7018 2006-10-19 Brooks Moses <bmoses@stanford.edu>
7020 * doc/install.texi (Downloading GCC): Clarify mention of
7021 Fortran in the "full distribution" description.
7023 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
7025 Fix PR tree-optimization/28778
7026 Fix PR tree-optimization/29156
7027 Fix PR tree-optimization/29415
7028 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
7029 (tree_decl_with_vis): Add artificial_pta_var flag.
7030 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
7031 pushed into callers.
7032 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
7033 (nonlocal_all): Ditto.
7034 (struct variable_info): Add directly_dereferenced member.
7035 (var_escaped_vars): New variable.
7036 (escaped_vars_tree): Ditto.
7037 (escaped_vars_id): Ditto.
7038 (nonlocal_vars_id): Ditto.
7039 (new_var_info): Set directly_dereferenced.
7040 (graph_size): New variable
7041 (build_constraint_graph): Use graph_size.
7042 (solve_graph): Don't process constraints that cannot change the
7043 solution, don't try to propagate an empty solution to our
7045 (process_constraint): Set directly_dereferenced.
7046 (could_have_pointers): New function.
7047 (get_constraint_for_component_ref): Don't process STRING_CST.
7048 (nonlocal_lookup): New function.
7049 (nonlocal_insert): Ditto.
7050 (create_nonlocal_var): Ditto.
7051 (get_nonlocal_id_for_type): Ditto.
7052 (get_constraint_for): Allow results vector to be empty in the case
7053 of string constants.
7054 Handle results of calls properly.
7055 (update_alias_info): Update alias info stats on number and type of
7057 (find_func_aliases): Use could_have_pointers.
7058 (make_constraint_from_escaped): Renamed from
7059 make_constraint_to_anything, and changed to make constraints from
7061 (make_constraint_to_escaped): New function.
7062 (find_global_initializers): Ditto.
7063 (create_variable_info_for): Make constraint from escaped to any
7064 global variable, and from any global variable to the set of
7066 (intra_create_variable_infos): Deal with escaped instead of
7067 pointing to anything.
7068 (set_uids_in_ptset): Do type pruning on directly dereferenced
7070 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
7071 (init_base_vars): Fix comment, and initialize escaped_vars.
7072 (need_to_solve): Removed.
7073 (find_escape_constraints): New function.
7074 (expand_nonlocal_solutions): Ditto.
7075 (compute_points_to_sets): Call find_escape_constraints and
7076 expand_nonlocal_solutions.
7077 (delete_points_to_sets): Don't fall off the end of the graph.
7078 (init_alias_heapvars): Initialize nonlocal_for_type and
7080 (delete_alias_heapvars): Free nonlocal_for_type and null out
7083 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
7085 * fold-const.c (add_double): Rename to add_double_with_sign.
7086 Add 'unsigned_p' parameter and take it into account for the overflow.
7087 (mul_double): Rename to mul_double_with_sign.
7088 Add 'unsigned_p' parameter and take it into account for the overflow.
7089 (fold_div_compare): Call add_double_with_sign instead of add_double
7090 and mul_double_with_sign instead of mul_double, passing them the
7091 unsignedness of the type.
7092 * tree.h (add_double): Macroize.
7093 (add_double_with_sign): New prototype.
7094 (mul_double): Macroize.
7095 (mul_double_with_sign): New prototype.
7097 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
7099 * config/score/crti.asm: New file.
7100 * config/score/crtn.asm: New file.
7101 * config/score/elf.h: New file.
7102 * config/score/mac.md: New file.
7103 * config/score/misc.md: New file.
7104 * config/score/mul-div.S: New file.
7105 * config/score/predicates.md: New file.
7106 * config/score/score7.md: New file.
7107 * config/score/score.c: New file.
7108 * config/score/score-conv.h: New file.
7109 * config/score/score.h: New file.
7110 * config/score/score.md: New file.
7111 * config/score/score-mdaux.c: New file.
7112 * config/score/score-mdaux.h: New file.
7113 * config/score/score-modes.def: New file.
7114 * config/score/score.opt: New file.
7115 * config/score/score-protos.h: New file.
7116 * config/score/score-version.h: New file.
7117 * config/score/t-score-elf: New file.
7118 * config.gcc: Add score*-*-* configurations(Update before).
7119 * doc/invoke.texi (Score Options): New section.
7120 * doc/md.texi (Score family): New section to document constraints.
7122 2006-10-19 Nick Clifton <nickc@redhat.com>
7124 * config/arm/arm.c: Fix spelling typo.
7126 2006-10-18 Tom Tromey <tromey@redhat.com>
7128 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
7130 2006-10-18 Jan Hubicka <jh@suse.cz>
7133 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7136 2006-10-18 Marcin Dalecki <martin@dalecki.de>
7138 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7139 TSI_SAME_STMT, since that's the desired entity.
7141 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
7143 * config/s390/contraints.md: New file.
7144 * config/s390/s390-protos.h (s390_mem_constraint,
7145 s390_O_constraint_str, s390_N_constraint_str,
7146 s390_float_const_zero_p): Function prototypes added.
7147 * config/s390/s390.c (s390_extra_constraint_str,
7148 s390_const_double_ok_for_constraint_p,
7149 s390_const_ok_for_constraint_p): Functions removed.
7150 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7151 s390_float_const_zero_p): New functions.
7152 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7153 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7154 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7155 Macro definitions removed.
7156 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7157 s390_extra_constraint_str): Functions removed.
7159 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
7160 Richard Sandiford <richard@codesourcery.com>
7163 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7164 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7166 2006-10-16 Geoffrey Keating <geoffk@apple.com>
7168 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7169 (DWARF2_FRAME_REG_OUT): Likewise.
7170 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7171 (DWARF2_FRAME_REG_OUT): Likewise.
7173 2006-10-17 Paul Brook <paul@codesourcery.com>
7175 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7177 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7179 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7180 Standardize on "GNU Fortran" as the official name of the Fortran
7183 2006-10-16 Mike Stump <mrs@apple.com>
7185 * doc/invoke.texi (Darwin Options): Document -mkernel.
7186 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7188 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
7189 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7190 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7191 (OS_MISSING_ALTIVEC): Add.
7192 * config/i386/i386.c (override_options): Add
7193 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7194 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7195 -mkernel, -static or -mdynamic-no-pic is given.
7196 (C_COMMON_OVERRIDE_OPTIONS): Add.
7197 * config/darwin.opt (fapple-kext): Add.
7199 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7200 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7202 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7203 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7204 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7205 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7206 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7207 (flag_mkernel): Add.
7208 (flag_apple_kext): Add.
7209 (TARGET_KEXTABI): Add.
7210 * config/darwin.c (darwin_handle_kext_attribute): Add.
7211 (DARWIN_VTABLE_P): Add.
7212 (darwin_binds_local_p): Add partial support for rebinding vtables
7214 (darwin_kextabi_p): Add.
7215 (darwin_override_options): Add.
7216 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7217 (darwin_kextabi_p): Add.
7218 (darwin_override_options): Add.
7219 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7220 __DYNAMIC__ and __STATIC__ here.
7222 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7224 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7225 Added mention of "make pdf" target, and Texinfo requirements for
7228 2006-10-16 DJ Delorie <dj@redhat.com>
7230 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7231 into the GOT in case we need a subreg of the address.
7233 2006-10-16 Richard Guenther <rguenther@suse.de>
7236 * doc/extend.texi (X86 Built-in Functions): Fix typos in
7237 SSE builtin documentation. Document SSE2 builtins.
7239 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7241 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7242 symbol in the output file for non-shared links when -nostdlib or
7243 -nodefaultlibs isn't specified.
7245 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7246 posix thread support.
7248 2006-10-15 Jan Hubicka <jh@suse.cz>
7251 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7252 declared always_inline even when not inlining.
7254 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7255 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7256 Andrew Pinski <pinskia@gmail.com>
7259 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
7261 2006-10-15 Jan Hubicka <jh@suse.cz>
7262 Richard Guenther <rguenther@suse.de>
7265 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7266 process_function_and_variable_attributes on all variables, including
7267 those discovered during cgraph construction phase.
7269 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
7271 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
7273 2006-10-14 Uros Bizjak <uros@kss-loka.si>
7275 * config/i386/athlon.md (athlon_fist): Add fisttp.
7277 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7278 Ian Lance Taylor <ian@airs.com>
7281 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7282 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7285 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
7287 * config/score/score.c, config/score/score.h: Fix comment
7290 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7293 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7296 2006-10-13 Eric Christopher <echristo@apple.com>
7298 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7300 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7303 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7304 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7305 alignment supported by 32-bit ELF.
7307 2006-10-13 Eric Christopher <echristo@apple.com>
7309 * config/darwin.c (darwin_emit_unwind_label): Strip
7310 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
7312 2006-10-13 Richard Guenther <rguenther@suse.de>
7314 PR tree-optimization/29446
7315 * tree-vrp.c (fix_equivalence_set): Remove.
7316 (extract_range_from_assert): Do not call fix_equivalence_set.
7317 (debug_value_range): Print a newline.
7318 (compare_name_with_value): For equivalence sets with
7319 inconsistent value ranges conservatively bail out.
7320 (compare_names): Likewise.
7322 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7324 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
7325 and MPFR for gfortran.
7327 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7329 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7330 alignment supported by 32-bit ELF.
7332 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
7336 * c-typeck.c (digest_init): Always allow initializing vectors
7337 that have static storage duration with compound literals.
7338 * tree.c (build_type_attribute_qual_variant): New, based on
7339 build_type_attribute_variant.
7340 (build_type_attribute_variant): Rewrite using the former.
7341 (make_vector_type): Use build_type_attribute_qual_variant to build
7342 type variants. Use type_hash_canon on the others.
7344 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
7345 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
7347 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
7349 2006-10-12 Jan Hubicka <jh@suse.cz>
7352 * c-decl.c (c_make_fname_decl): Do not segfault in case where
7353 current_function_decl is set but current_function_scope is not.
7355 2006-10-12 Jie Zhang <jie.zhang@analog.com>
7357 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
7358 emit_insn to emit eh_return_internal instruction.
7359 (eh_return_internal): Explicitly set pc.
7361 2006-10-11 Richard Guenther <rguenther@suse.de>
7363 PR tree-optimization/28230
7364 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
7365 to the correct place.
7367 2006-10-11 Richard Guenther <rguenther@suse.de>
7370 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
7373 2006-10-10 Brooks Moses <bmoses@stanford.edu>
7375 * configure.ac: Added pdf to "Make-hooks"
7376 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
7377 targets and *.pdf file patterns in cleanup targets.
7378 * configure: Regenerated.
7380 2006-10-10 Anatoly Sokolov <aesok@post.ru>
7382 * config/avr/predicates.md: New file.
7383 * config/avr/avr.md: Include it.
7384 (REG_SP): New constant.
7385 (peepholes): Use predicates.
7386 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
7387 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
7388 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
7390 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
7392 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
7395 2006-10-10 Jakub Jelinek <jakub@redhat.com>
7398 * builtins.c (var_decl_component_p): New function.
7399 (fold_builtin_memset, fold_builtin_memory_op): Restrict
7400 single entry optimization to variables and components thereof.
7402 2006-10-10 Richard Guenther <rguenther@suse.de>
7404 PR rtl-optimization/29323
7405 * except.c (set_nothrow_function_flags): For functions
7406 that do not bind local bail out early.
7408 2006-10-10 Ben Elliston <bje@au.ibm.com>
7410 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7413 2006-10-09 Richard Henderson <rth@redhat.com>
7415 Revert emutls patch.
7417 2006-10-09 Richard Guenther <rguenther@suse.de>
7420 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7423 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7426 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7427 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7428 * configure: Regenerate.
7429 * config.in: Regenerate.
7431 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7433 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7435 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7437 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7438 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7439 Remove stray newline.
7441 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7443 * config/mips/mips.c (mips_classify_symbol): Do not return
7444 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7445 (mips_in_small_data_p): Tweak comments.
7447 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7449 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7451 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7453 * gimplify.c, sched-int.h: Fix comment typos.
7455 * sched-int.h: Fix comment typos.
7457 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7459 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7461 * sched-ebb.c (begin_schedule_ready): Use them.
7462 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7463 add_to_speculative_block, create_check_block_twin, speculate_insn,
7464 fix_jump_move, move_block_after_check): Ditto.
7465 * sched-rgn.c (new_ready): Ditto.
7467 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7469 PR rtl-optimization/29128
7470 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7471 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7472 allow interblock movement of speculation checks.
7474 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7477 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7478 casted to integer type.
7479 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7480 if they are significantly more expensive than [reg + index] ones.
7482 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7484 PR tree-optimization/29330
7485 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7486 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7487 on newly allocated ddrs.
7488 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7489 to VEC (loop_p, heap) pointer.
7490 (compute_data_dependences_for_loop): Adjust caller.
7491 (free_dependence_relations): Free DDR_LOOP_NEST.
7493 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7494 free DEPENDENCE_RELATIONS and DATAREFS.
7497 * builtins.c (expand_builtin_sync_operation,
7498 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7499 Use convert_to_mode to handle promoted arguments.
7501 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7503 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7505 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7507 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7509 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7511 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7512 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7513 Use <modeconstraint> instead of "r" as operand 1 constraint.
7515 2006-10-06 Olivier Hainque <hainque@adacore.com>
7517 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7518 Don't recurse on the pointed-to type.
7519 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7520 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7521 types with components of variable size.
7523 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7525 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7527 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7529 PR tree-optimization/29290
7530 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7534 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7535 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7538 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7539 the number of vector elements fill the rest with zeros.
7541 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7543 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7544 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7547 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7549 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7550 unnamed pattern into subsi3. Use correct constraints/predicates.
7551 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7552 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7554 2006-10-05 Ira Rosen <irar@il.ibm.com>
7556 * doc/loop.texi: Add data references analysis description.
7558 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7560 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7562 2006-10-04 Richard Henderson <rth@redhat.com>
7563 Jakub Jelinek <jakub@redhat.com>
7565 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7566 * builtin-types.def (BT_WORD): Make unsigned.
7567 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7568 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7569 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7570 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7571 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7572 * cgraph.c (decide_is_variable_needed): Look at force_output.
7573 Recurse for emulated tls.
7574 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7575 checks redundant with decide_is_variable_needed.
7576 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7577 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7579 * expr.c (emutls_var_address): New.
7580 (expand_expr_real_1): Expand emulated tls.
7581 (expand_expr_addr_expr_1): Likewise.
7582 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7583 * output.h (emutls_finish): Declare.
7584 * toplev.c (compile_file): Call it.
7585 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7586 address before wrapping in CONST.
7587 * varasm.c (emutls_htab, emutls_object_type): New.
7588 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7589 (get_emutls_object_name, get_emutls_object_type): New.
7590 (get_emutls_init_templ_addr, emutls_decl): New.
7591 (emutls_common_1, emutls_finish): New.
7592 (assemble_variable): When emulating tls, swap decls; generate
7593 constructor for the emutls objects.
7594 (do_assemble_alias): When emulating tls, swap decl and target name.
7595 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7597 * emutls.c: New file.
7598 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7599 tls_object for real tls.
7601 2006-10-04 Zack Weinberg <zackw@panix.com>
7603 Fix bug in constraint-check generator, reported by Rask Ingemann
7605 * genpreds.c (add_constraint): Don't remove anything from the
7607 (write_tm_constrs_h): Detect whether "op" argument is used, and
7608 mark it ARG_UNUSED if it isn't.
7609 (write_insn_const_int_ok_for_constraint): Skip the part of the
7610 expression that would test whether "op" (which is not available
7611 here) is a CONST_INT.
7613 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7616 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7618 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7620 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7621 current Leopard versions.
7622 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
7624 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
7626 * doc/install.texi: Fix typos.
7628 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7630 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
7631 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
7632 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7634 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
7636 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
7637 arg to be struct mach_header_64* instead.
7639 2006-10-02 Jakub Jelinek <jakub@redhat.com>
7642 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
7643 side effects after the outer expression's post side effects.
7645 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
7647 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
7648 comments to reflect actual behavior and relationship between
7649 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
7651 * doc/c-tree.texi (Working with declarations): Fix documentation
7652 of FIELD_DECL likewise.
7654 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
7657 * doc/extend.texi: Add used variable attribute description.
7659 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
7662 * c.opt (Woverride-init): New.
7663 * c-opts.c (c_common_post_options): Default warn_override_init to
7665 * c-typeck.c (add_pending_init, output_init_element): Warn for
7666 overriding initializers without side effects.
7667 * doc/invoke.texi (-Woverride-init): Document.
7670 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
7672 PR rtl-optimization/28096
7673 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
7674 assignment has already been used as a destination earlier in the block.
7676 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
7678 * builtins.c (expand_builtin_setjmp): Delete.
7679 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
7680 <BUILT_IN_SETJMP_SETUP>: New case.
7681 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
7682 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
7683 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
7684 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
7685 (BUILT_IN_SETJMP_RECEIVER): Likewise.
7686 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
7687 (lower_function_body): Initialize it to false. If it is set to true
7688 at the end of the processing, emit the setjmp dispatcher.
7689 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
7690 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
7691 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
7692 on the rhs of the assignment.
7693 (lower_builtin_setjmp): New function.
7694 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
7695 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
7696 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
7697 to detect calls that can go to non-local labels. Use specific
7698 helper to create the abnormal edges associated with them.
7699 <MODIFY_EXPR>: Likewise.
7700 (make_abnormal_goto_edges): New function extracted from...
7701 (make_goto_expr_edges): ...here. Call it for computed gotos.
7702 (simple_goto_p): Minor tweak.
7703 (tree_can_make_abnormal_goto): New predicate.
7704 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
7705 (tree_purge_dead_abnormal_call_edges): New function.
7706 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
7707 (tree_purge_dead_abnormal_call_edges): Likewise.
7708 (make_abnormal_goto_edges): Likewise.
7709 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
7710 Purge all dead abnormal edges if the call was in the last statement.
7711 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
7712 (execute_fixup_cfg): If there are non-local labels in the function,
7713 scan the basic blocks and split them at calls that can go to non-local
7714 labels or add missing abnormal call edges. Write down the CFG in the
7716 (pass_fixup_cfg): Remove TODO_dump_func flag.
7717 * unwind-sjlj.c: Poison setjmp.
7718 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
7719 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
7720 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
7721 (DONT_USE_BUILTIN_SETJMP): Document it.
7723 2006-09-28 Geoffrey Keating <geoffk@apple.com>
7726 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
7727 to 1 when __ppc64__ is defined.
7728 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
7730 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
7732 2006-09-28 Steve Ellcey <sje@cup.hp.com>
7734 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
7735 * config/ia64/unwind-hpux.c: Delete.
7737 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
7739 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
7740 on the element before gimplifying it, instead of punting if it is of
7743 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
7745 * doc/loop.texi: New file.
7746 * doc/gccint.texi: Reference loop.texi.
7747 * Makefile.in (loop.texi): Add.
7749 2006-09-27 Geoffrey Keating <geoffk@apple.com>
7751 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
7753 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7754 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7756 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
7758 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
7760 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
7762 * doc/install.texi: Document required versions of GMP and MPFR.
7764 2006-09-27 Paul Brook <paul@codesourcery.com>
7767 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
7769 2006-09-27 Richard Sandiford <richard@codesourcery.com>
7771 * reload1.c (alter_reg): Require the alignment of the stack slot to
7772 be at least reg_max_ref_width bytes.
7773 (scan_paradoxical_subregs): Record the largest width in
7776 2006-09-26 Jakub Jelinek <jakub@redhat.com>
7780 * tree-nested.c (struct nesting_info): Added static_chain_added.
7781 (convert_call_expr): Set static_chain_added when adding static
7782 chain. Handle OMP_PARALLEL and OMP_SECTION.
7784 2006-09-25 Matthias Klose <doko@debian.org>
7786 * doc/invoke.texi: Add missing full stop.
7788 2006-09-25 Richard Henderson <rth@redhat.com>
7790 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
7791 before cgraph_function_flags_ready.
7793 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
7794 Adam Nemet <anemet@caviumnetworks.com>
7796 * tree-ssa-loop-ivopts.c (aff_combination_convert,
7797 determine_common_wider_type): New functions.
7798 (get_computation_aff): Use them to simplify arithmetic between
7799 UBASE and CBASE if they are shortened from the same type.
7801 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
7804 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
7805 -2147483647 - 1 instead of 0x80000000.
7807 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
7809 * flags.h (HONOR_NANS): Fix typo in comment.
7811 2006-09-23 Uros Bizjak <uros@kss-loka.si>
7813 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
7815 2006-09-23 Jakub Jelinek <jakub@redhat.com>
7819 * tree.c (merge_attributes, attribute_list_contained): If both
7820 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
7822 * c-typeck.c (comptypes_internal): Don't consider aggregates
7823 in different TUs as compatible if there one set of attributes is
7824 not a subset of the other type's attributes.
7825 (composite_type): Try harder not to create a new aggregate type.
7827 2006-09-22 Geoffrey Keating <geoffk@apple.com>
7829 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
7830 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
7831 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
7832 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
7833 than replicating condition above.
7834 * config.host (i[34567]86-*-*): Always use driver-i386.o.
7836 * config/darwin.h (LINK_SYSROOT_SPEC): New.
7837 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
7838 the linker by default.
7840 2006-09-22 Mike Stump <mrs@apple.com>
7842 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
7845 2006-09-22 Richard Guenther <rguenther@suse.de>
7848 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
7849 sort of stack variables stable.
7851 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
7854 * explow.c (force_reg): Set REG_POINTER flag according to
7857 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
7859 PR tree-optimization/28888
7860 * tree-if-conv.c (combine_blocks): Rewritten.
7861 * tree-cfg.c (tree_verify_flow_info): Check that edges with
7862 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
7864 2006-09-22 Jakub Jelinek <jakub@redhat.com>
7866 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
7869 2006-09-21 Richard Sandiford <richard@codesourcery.com>
7871 * varasm.c (copy_constant): Fix reversed gcc_assert check.
7873 2006-09-21 Janis Johnson <janis187@us.ibm.com>
7875 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
7877 2006-09-21 Roger Sayle <roger@eyesopen.com>
7880 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
7881 dw_fde_current_label, to be the start of the function, i.e. the same
7882 value as dw_fde_begin.
7884 2006-09-20 Richard Sandiford <richard@codesourcery.com>
7886 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
7887 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
7888 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
7889 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
7890 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
7891 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
7892 (abs<mode>2, neg<mode>2): Likewise.
7893 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
7894 (*mips_abs_ps): New define_insn.
7896 2006-09-20 Josh Conner <jconner@apple.com>
7899 * calls.c (expand_call): Allow reuse of structure return stack
7902 2006-09-20 Paul Brook <paul@codesourcery.com>
7904 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
7907 2006-09-20 Janis Johnson <janis187@us.ibm.com>
7909 * doc/extend.texi (Decimal Float): Update for latest draft TR,
7910 clean up terminology.
7912 2006-09-20 Steve Ellcey <sje@cup.hp.com>
7915 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
7916 with tablejumps in them.
7918 2006-09-20 Jakub Jelinek <jakub@redhat.com>
7921 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
7922 wrap it into TARGET_EXPR.
7924 2006-09-20 Eric Christopher <echristo@apple.com>
7926 * config/i386/i386.c (x86_fisttp): Remove.
7927 * config/i386/i386.h (x86_fisttp): Ditto.
7928 (TARGET_FISTTP): Ditto.
7930 2006-09-19 Eric Christopher <echristo@apple.com>
7932 * doc/tm.texi (OBJC_JBLEN): Describe.
7933 * config/i386/darwin.h (OBJC_JBLEN): Define.
7934 * config/rs6000/darwin.h: Ditto.
7936 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
7938 PR rtl-optimization/21299
7939 * reload1.c (reload): Purge invalid ASMs in the final pass.
7941 2006-09-19 Steve Ellcey <sje@cup.hp.com>
7944 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
7945 pointers as legitimate constants.
7947 2006-09-19 Paul Brook <paul@codesourcery.com>
7950 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
7952 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
7954 PR tree-optimization/28887
7955 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
7956 component parts from the reference.
7957 (gather_memory_references_ref): Record the reference without the
7958 nonaddressable component parts.
7960 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
7963 * c-opts.c (c_common_handle_option): Ignore the -std options
7964 if the input language is assembly.
7966 2006-09-17 Ira Rosen <irar@il.ibm.com>
7969 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
7971 (ptr_ptr_may_alias_p): Likewise.
7972 (record_record_differ_p): New function.
7973 (base_object_differ_p): Call record_record_differ_p.
7975 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7978 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
7979 away for the expr argument.
7981 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7984 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
7985 before using it for dumping after vectorizing loops.
7987 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7988 Jack Howarth <howarth@bromo.med.uc.edu>
7991 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
7992 skip on error_mark_node.
7993 (rs6000_darwin64_record_arg_recurse): Likewise.
7995 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7997 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
7998 * doc/rtl.texi: Remove related documentation.
8000 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
8002 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
8005 2006-09-15 Jim Wilson <wilson@specifix.com>
8007 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
8008 Handle symbol offsets same as they are handled in ia64_expand_move
8011 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
8013 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
8014 Add forgotten parameter to the fprintf call.
8016 2006-09-15 Steve Ellcey <sje@cup.hp.com>
8018 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
8020 2006-09-15 Uros Bizjak <uros@kss-loka.si>
8022 * doc/contrib.texi: Add my entry.
8024 2006-09-15 Nick Clifton <nickc@redhat.com>
8026 * doc/md.texi (Processor pipeline description): Fix typo in
8027 example of how to use the absence_set directive and reword the
8028 description to make it slightly easier to read.
8030 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
8032 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
8033 * loop-doloop.c (doloop_optimize): Use it to limit costs of
8034 expanding the number of iterations.
8035 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
8037 * cfgrtl.c (emit_insn_at_entry): New function.
8038 * rtl.h (emit_insn_at_entry): Declare it.
8039 * integrate.c (emit_initial_value_sets): Use it.
8041 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
8043 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
8045 (struct loop_work and related VEC declarations): Delete.
8046 (bfin_dump_loops): Print out new member bad.
8047 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
8048 (bfin_scan_loop): Don't recurse.
8049 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
8050 loops. No longer need to update outer loops if the current one is
8051 found bad. Move some validitiy checks to bfin_discover_loop.
8052 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
8053 but changed not to check for nesting. Also changed to use the new bad
8055 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
8056 time. Use bitmap based test to discover loop nesting.
8058 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
8060 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
8063 2006-09-14 Richard Guenther <rguenther@suse.de>
8064 Kazu Hirata <kazu@codesourcery.com>
8066 PR middle-end/28884.
8067 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
8068 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
8069 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
8070 with TARGET_FUNCTION_VALUE.
8072 2006-09-14 Anatoly Sokolov <aesok@post.ru>
8075 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
8077 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
8079 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
8082 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
8085 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
8088 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8090 * basic_block.h (bb_has_eh_pred): Fix comment.
8092 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8094 * flow.c (calculate_global_regs_live): Invalidate eh registers
8095 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
8096 (propagate_block): Handle eh registers as if they were set at basic
8098 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8100 * global.c (global_conflicts): Make eh registers to conflict with
8101 pseudos live at basic block begin.
8102 * basic_block.h (bb_has_eh_pred): New function.
8104 2006-09-13 Richard Sandiford <richard@codesourcery.com>
8106 PR rtl-optimization/28982
8107 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
8108 index of a PRE_MODIFY or POST_MODIFY address.
8109 * reload1.c (inc_for_reload): Use find_replacement on the original
8110 base and index registers.
8112 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
8114 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
8115 for -Os. Update __m128 alignment requirement.
8117 2006-09-13 Jan Hubicka <jh@suse.cz>
8119 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
8121 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
8123 PR rtl-optimization/28243
8124 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8125 the insn to which the note was originally attached.
8127 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
8128 Roger Sayle <roger@eyesopen.com>
8130 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8131 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8132 on platforms that don't use dwarf for debug info.
8134 2006-09-12 Jason Merrill <jason@redhat.com>
8137 * builtins.c (expand_builtin_setjmp_receiver): Clobber
8138 hard_frame_pointer_rtx after using it to update the frame pointer.
8140 2006-09-12 Roger Sayle <roger@eyesopen.com>
8142 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8143 (TARGET_ASM_CLOSE_PAREN): Likewise.
8144 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8145 (TARGET_ASM_CLOSE_PAREN): Likewise.
8147 2006-09-12 Roger Sayle <roger@eyesopen.com>
8150 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
8151 frame information for frames larger than 512 Kbytes on Tru64 when
8152 using the native assembler.
8154 2006-09-12 Roger Sayle <roger@eyesopen.com>
8158 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8159 and symbols. Instead use the implementation from cse.c's hash_rtx.
8161 2006-09-12 Jan Hubicka <jh@suse.cz>
8163 PR rtl-optimization/28071
8164 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8165 (vect_transform_loop): Likewise.
8166 * tree-vectorizer.c (new_loop_vec_info): Likewise.
8167 (new_loop_vec_info): Likewise.
8168 (destroy_loop_vec_info): Likewise.
8169 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
8170 (create_stmt_ann): Likewise.
8171 (create_tree_ann): Rename to ...
8172 (create_tree_common_ann): ... this one; allocate only the common part
8174 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8175 (get_value_handle): Likewise.
8176 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8177 get_tree_common_ann.
8178 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8179 (vinfo_for_stmt): Use stmt annotations.
8180 * tree-flow.h (tree_ann_common_t): New type.
8181 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8182 (tree_ann, get_tree_ann, create_tree_ann): New.
8183 * tree-flow-inline.h (get_function_ann): Do more type checking.
8184 (stmt_ann): Likewise.
8185 (tree_ann): Rename to ...
8186 (tree_common_ann): ... this one; return ony common_ann
8187 (get_tree_ann): Rename to ...
8188 (tree_common_ann): This one; return only common_ann.
8189 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8192 2006-09-11 Geoffrey Keating <geoffk@apple.com>
8194 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8195 with_cpu by default.
8197 * dwarf2out.c (dwarf_file_data): New.
8198 (enum dw_val_class): Add dw_val_class_file.
8199 (struct dw_val_struct): Add val_file.
8200 (file_table): Change to a hash table.
8201 (file_table_emitted): Delete.
8202 (file_table_last_lookup_index): Delete.
8203 (emitcount): Delete.
8204 (last_emitted_file): New.
8205 (lookup_filename): Change prototype to return a struct dwarf_file_data.
8206 (init_file_table): Delete.
8207 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8208 (AT_addr): Add comment.
8212 (print_die): Handle dw_val_class_file.
8213 (print_dwarf_line_table): Update for new file table structure.
8214 (attr_checksum): Do checksum a filename.
8215 (same_dw_val_p, same_attr_p): Do compare a filename.
8216 (size_of_die): Handle dw_val_class_file.
8217 (value_format): Likewise.
8218 (output_die): Likewise. Also, call maybe_emit_file here.
8219 (struct file_info): Constify filenames. Make file_idx a pointer
8220 to a struct dwarf_file_data.
8221 (struct dir_info): Constify directory names. Remove 'used' field.
8222 (struct file_name_acquire_data): New.
8223 (file_name_acquire): New.
8224 (output_file_names): Modify to handle new file data structures.
8225 (add_src_coords_attributes): Use add_AT_file.
8226 (add_call_src_coords_attributes): Likewise.
8227 (dwarf2out_imported_module_or_decl): Likewise.
8228 (gen_subprogram_die): Modify for new file data structures.
8229 (gen_variable_die): Likewise.
8230 (file_table_eq): New.
8231 (file_table_hash): New.
8232 (file_table_last_lookup): New.
8233 (lookup_filename): Rewrite to handle new file data structures.
8234 (maybe_emit_file): Rewrite to handle new file data structures.
8235 (dwarf2out_source_line): Always call lookup_filename and
8237 (dwarf2out_init): Create file_table here.
8238 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8239 (file_table_relative_p): New.
8240 (dwarf2out_finish): Change detection of relative filenames
8241 to work with new file data structures. Move output_line_info call
8242 after debug_info output.
8244 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
8249 * config/i386/i386.c (override_options): Always default to 16
8250 byte stack boundary.
8252 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
8255 * var-tracking.c (dump_dataflow_set): Start dumping at
8257 (clobber_variable_part): Kill only the variable part in
8258 registers holding it, leaving other variables alone.
8260 2006-09-11 Josh Triplett <josh@freedesktop.org>
8262 * doc/extend.texi (Other Builtins): Actually use the macro
8263 argument in the documentation example for
8264 __builtin_types_compatible_p.
8266 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8268 PR rtl-optimization/28726
8269 * sched-deps.c (sched_analyze_reg): New function extracted from...
8270 (sched_analyze_1): ...here. Call it to analyze references to
8271 registers. Treat again writes to a stack register as writing to the
8273 (sched_analyze_2): ...and here. Call it to analyze references to
8274 registers. Treat again reads of a stack register as reading the
8277 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
8278 David Edelsohn <edelsohn@gnu.org>
8281 * config/rs6000/spe.md (frob_df_di): Remove %H.
8282 (frob_di_df): Remove %H. Change evmergelo to mr.
8283 (frob_di_df_2): Remove %H. Change evldd to two loads.
8285 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
8287 * doc/cpp.texi: Fix names of charset options.
8289 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
8292 * config/i386/i386.c (override_options): Use 128-bit
8293 stack boundary always for 64bits.
8295 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8297 PR rtl-optimization/28636
8298 * combine.c (force_to_mode): Test for side-effects before
8299 substituting by zero.
8300 (simplify_shift_const): Likewise for zero or other constants.
8302 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
8305 * builtins.c (expand_builtin_setjmp): Force next_lab to be
8308 2006-09-10 Richard Sandiford <richard@codesourcery.com>
8311 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
8312 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
8313 returned by mode_for_size, rather than the mode of src itself,
8314 to choose between 32-bit and 64-bit patterns.
8315 (mips_mem_fits_mode_p): New function.
8316 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
8317 that the size of the source matches the size of the destination.
8318 (mov_<store>l, mov_<store>r): Likewise.
8320 2006-09-10 Eric Christopher <echristo@apple.com>
8322 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
8325 2006-09-09 Eric Christopher <echristo@apple.com>
8328 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
8331 2006-09-09 Roger Sayle <roger@eyesopen.com>
8332 Nicolas Setton <setton@adacore.com>
8334 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
8336 2006-09-10 Andreas Schwab <schwab@suse.de>
8338 * config/m68k/m68k.md (bungt_rev): New pattern.
8340 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
8341 Dale Johannesen <dalej@apple.com>
8344 * regclass.c (struct reg_pref): Update documentation.
8345 (regclass): Set prefclass to NO_REGS if memory is the best option.
8346 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8348 2006-09-08 Eric Christopher <echristo@apple.com>
8350 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
8351 * config/t-slibgcc-darwin: Support x86_64 multilib.
8352 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
8353 Return 1 for x86_64-darwin.
8354 * config/i386/t-darwin: Add m64 multilib.
8355 (LIB2_SIDITI_CONV_FUNCS): Use.
8356 (LIB2FUNCS_EXTRA): Ditto.
8357 * config/i386/darwin.h: Support x86_64.
8358 * config/i386/i386.c (override_options): Turn on flag_pic
8359 for x86_64-darwin. Disable flag_omit_pointer.
8360 (get_pc_thunk_name): Assert !TARGET_64BIT.
8361 (legitimate_address_p): Disable machopic addressing for
8363 (legitimize_pic_address): Ditto.
8364 (ix86_expand_move): Ditto.
8365 (ix86_expand_call): Ditto.
8366 (machopic_output_stub): Ditto.
8367 * config/darwin.c (machopic_select_section): Support literal16.
8368 (machopic_select_rtx_section): Ditto.
8369 * config/darwin-sections.def: Ditto.
8370 * config/darwin-64.c: New.
8372 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
8375 * c-tree.h (struct c_arg_info): Add pending_sizes.
8376 * c-parser.c (c_parser_parms_declarator,
8377 c_parser_parms_list_declarator): Initialize pending_sizes.
8378 * c-decl.c (get_parm_info): Initialize pending_sizes.
8379 (get_parm_info): Set pending_sizes.
8380 (grokdeclarator): Call put_pending_sizes for parameters for
8381 function definition only.
8383 2006-09-07 Jason Merrill <jason@redhat.com>
8386 * varasm.c (output_constant): Only strip actual no-op conversions.
8389 * config/i386/i386.c (override_options): Use 128-bit
8390 stack boundary if -msse.
8392 2006-09-07 Eric Christopher <echristo@apple.com>
8394 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
8396 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8399 2006-09-07 Geoffrey Keating <geoffk@apple.com>
8401 * dwarf2out.c: Remove strange characters from comment above
8402 dwarf2out_frame_debug_expr.
8404 2006-09-07 Eric Christopher <echristo@apple.com>
8406 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
8407 * config/darwin.h: ... to here.
8409 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
8411 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8413 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8414 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8416 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8417 TARGET_PARTIAL_FLAG_REG_STALL.
8418 (*ashldi3_cconly_rex64): Likewise.
8419 (*ashlsi3_cmp): Likewise.
8420 (*ashlsi3_cconly): Likewise.
8421 (*ashlsi3_cmp_zext): Likewise.
8422 (*ashlhi3_cmp): Likewise.
8423 (*ashlhi3_cconly): Likewise.
8424 (*ashlqi3_cmp): Likewise.
8425 (*ashlqi3_cconly): Likewise.
8426 (*ashrdi3_cmp_rex64): Likewise.
8427 (*ashrdi3_cconly_rex64): Likewise.
8428 (*ashrsi3_cmp): Likewise.
8429 (*ashrsi3_cconly): Likewise.
8430 (*ashrsi3_cmp_zext): Likewise.
8431 (*ashrhi3_cmp): Likewise.
8432 (*ashrhi3_cconly): Likewise.
8433 (*ashrqi3_cmp): Likewise.
8434 (*ashrqi3_cconly): Likewise.
8435 (*lshrdi3_cmp_rex64): Likewise.
8436 (*lshrdi3_cconly_rex64): Likewise.
8437 (*lshrsi3_cmp): Likewise.
8438 (*lshrsi3_cconly): Likewise.
8439 (*lshrsi3_cmp_zext): Likewise.
8440 (*lshrhi3_cmp): Likewise.
8441 (*lshrhi3_cconly): Likewise.
8442 (*lshrqi2_cmp): Likewise.
8443 (*lshrqi2_cconly): Likewise.
8445 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8448 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8449 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8450 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8451 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8452 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8453 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8454 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8455 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8456 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8457 implement only CC setting effects of shift instructions.
8459 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8461 * doc/contrib.texi: Add myself.
8463 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8466 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8467 was set by the user.
8469 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8472 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8473 (divsi_inv_m1): Use them.
8474 (UNSPEC_DIV_INV_TABLE): New constant.
8476 2006-09-06 James E Wilson <wilson@specifix.com>
8479 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8480 then call count_or_remove_death_notes.
8482 2006-09-06 Jason Merrill <jason@redhat.com>
8485 * tree-inline.c (copy_result_decl_to_var): New fn.
8486 (declare_return_variable): Use it. Call declare_inline_vars here.
8487 (expand_call_inline): Not here.
8489 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8491 * doc/contrib.texi: Update my entry.
8493 2006-09-06 Nick Clifton <nickc@redhat.com>
8495 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8497 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8500 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8501 (canonicalize_induction_variables): Likewise.
8502 (tree_unroll_loops_completely): Likewise.
8503 (tree_ssa_prefetch_arrays): Likewise.
8504 (remove_empty_loops): Likewise.
8505 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8506 TODO_cleanup_cfg instead of directly calling
8507 cleanup_tree_cfg_loop.
8508 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8510 (tree_unroll_loops_completely): Likewise.
8511 (remove_empty_loops): Likewise.
8512 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8513 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8514 of tree_ssa_unswitch_loops.
8515 (tree_ssa_loop_ivcanon): Use the return value of
8516 canonicalize_induction_variables.
8517 (tree_ssa_empty_loop): Use the return value of
8519 (tree_complete_unroll): Use the return value of
8520 tree_unroll_loops_completely.
8521 (tree_ssa_loop_prefetch): Use the return value of
8522 tree_ssa_prefetch_arrays.
8523 * passes.c (execute_todo): Before Cleanup CFG, set
8524 updating_used_alone and after cleanup CFG, call
8525 recalculate_used_alone.
8527 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8530 * tree-vect-transform.c (vectorizable_condition): Move the check
8531 for the type after the check for simple condition.
8533 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8534 Kaz Kojima <kkojima@gcc.gnu.org>
8537 * mode-switching.c (optimize_mode_switching): Make the destination
8538 block of an abnormal edge have no anticipatable mode. Don't
8539 insert mode switching code at the end of the source block of
8542 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8544 PR rtl-optimization/26847
8545 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8546 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8547 (simplify_plus_minus): Count n_constants while filling ops. Replace
8548 qsort with insertion sort. Before going through the array to simplify
8549 pairs, sort it. Delay early exit until after the first sort, exiting
8550 only if no swaps occurred. Simplify pairs in reversed order, without
8551 special-casing the first iteration. Pack ops after simplifying pairs.
8553 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8555 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8556 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8557 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8558 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8560 2006-09-05 Richard Guenther <rguenther@suse.de>
8562 PR tree-optimization/28900
8563 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8564 compound conditional before creating COND_EXPR condition.
8566 2006-09-05 Richard Guenther <rguenther@suse.de>
8568 PR tree-optimization/28905
8569 * tree-vrp.c (fix_equivalence_set): Manually implement
8570 !value_ranges_intersect_p to also handle symbolic ranges.
8572 2006-09-05 Richard Guenther <rguenther@suse.de>
8575 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8578 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8580 PR rtl-optimization/27616
8581 * cse.c (table_size): New static variable.
8582 (new_basic_block): Initialize it to 0.
8583 (remove_from_table): Decrement it.
8584 (insert): Increment it.
8585 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8586 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8587 fold_rtx_mem_1 if under the cap.
8588 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8589 the lookup of the equivalent expression and test for equality of the
8590 first operand of the equivalent expression before in turn looking up
8591 an equivalent constant for the second operand.
8593 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8596 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8597 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8598 pointer, instead of assuming it is possible to derive the
8599 correct args size from a call insn.
8601 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8604 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8605 (fold_builtin_mempcpy): Rename to...
8606 (fold_builtin_memory_op): ... this. Optimize one element copy
8608 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8610 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8611 (expand_builtin_memcpy, expand_builtin_mempcpy,
8612 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8613 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8614 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8615 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8617 2006-09-01 DJ Delorie <dj@redhat.com>
8619 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8620 (stzx_16): Likewise.
8621 ("stzx_24_<mode>"): Likewise.
8622 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8623 ("cmp<mode>_op"): New.
8624 (cmp<mode>): Change to expander; just save operands.
8626 (b<code>): Change to expander, emit compare here.
8627 (s<code>_op): Change to use split and expander.
8628 (s<code>_24_op): Likewise.
8629 (s<code>_<mode>): New.
8630 (s<code>_<mode>_24): New.
8631 (movqicc_<code>_<mode): New.
8632 (movhicc_<code>_<mode>): New.
8635 * config/m32c/m32c.c (compare_op0, compare_op1): New.
8636 (m32c_pend_compare): New.
8637 (m32c_unpend_compare): New.
8638 (m32c_expand_scc): New.
8639 (m32c_expand_movcc): Emit the compare also.
8640 * config/m32c/predicates.md (mra_nopp_operand): New.
8642 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
8643 Richard Guenther <rguenther@suse.de>
8644 Adam Nemet <anemet@caviumnetworks.com>
8647 * builtins.c (get_pointer_alignment): Handle more forms
8648 of base addresses that can be used to derive more precise
8649 information about alignment.
8651 2006-09-01 Jason Merrill <jason@redhat.com>
8654 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
8657 * gimplify.c (voidify_wrapper_expr): Handle null type.
8659 2006-09-01 Josh Conner <jconner@apple.com>
8662 * tree-nrv.c (dest_safe_for_nrv_p): New function.
8663 (execute_return_slot_opt): Use it.
8665 2006-08-31 Josh Conner <jconner@apple.com>
8668 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
8669 returning aggregates.
8671 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
8673 PR tree-optimization/28839
8674 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
8675 blocks in that phi arguments appear.
8677 2006-08-31 Roger Sayle <roger@eyesopen.com>
8680 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
8681 NULL, otherwise use an advance_loc4 to adjust relative to the
8683 (output_cfi) <DW_CFA_set_loc>: Update the current label.
8684 (dwarf2out_switch_text_section): Reset the current label to avoid
8685 using advance_loc4 over section boundaries.
8687 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
8690 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
8691 r12 + SYMBOLIC_CONST.
8693 2006-08-30 Richard Guenther <rguenther@suse.de>
8695 * Makefile.in (see.o): Add $(EXPR_H) dependency.
8697 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
8699 PR rtl-optimization/27735
8700 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
8701 Add new argument to keep track of whether an irreducible region
8702 was affected. All callers changed.
8703 (fix_irreducible_loops): Removed.
8704 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
8705 flags were invalidated.
8707 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
8709 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
8710 instead of SF operands.
8711 (*fop_df_comm_sse): Likewise.
8712 (*fop_df_comm_i387): Likewise.
8713 (*fop_df_1_mixed): Likewise.
8714 (*fop_df_1_sse): Likewise.
8716 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
8717 J"orn Rennecke <joern.rennecke@st.com>
8719 PR tree-optimization/17506
8720 * tree-ssa.c (warn_uninit): If warning about a location outside of
8721 the current function, note where the variable was declared.
8723 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
8725 PR tree-optimization/28411
8726 * double-int.c (double_int_div): Use double_int_divmod.
8727 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
8728 double_int_mod, double_int_smod, double_int_umod): New functions.
8729 * double-int.h (double_int_divmod, double_int_sdivmod,
8730 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
8732 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
8734 (get_computation_aff, get_computation_cost_at): Handle double_int
8735 return type of constant_multiple_of.
8737 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
8740 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
8741 an implicit conversion.
8743 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
8745 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
8747 2006-08-27 Roger Sayle <roger@eyesopen.com>
8749 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
8752 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
8754 * config/i386/crtfastmath.c: Fix a comment typo.
8756 2006-08-26 Roger Sayle <roger@eyesopen.com>
8758 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
8759 temporary visit flags on CASE_LABEL_EXPRs.
8760 * c-common.c (match_case_to_enum): Add function comment. Avoid
8761 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
8762 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
8763 CASE_HIGH_SEEN for enumerated types. If the switch expression is
8764 a constant, only warn if that constant value isn't handled.
8766 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
8769 * input.h (restore_input_file_stack): Declare.
8770 (INPUT_FILE_STACK_BITS): Define.
8771 * toplev.c (fs_p, input_file_stack_history,
8772 input_file_stack_restored, restore_input_file_stack): New.
8773 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
8774 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
8775 (pop_srcloc): Don't free old state of stack.
8777 2006-08-26 David Edelsohn <edelsohn@gnu.org>
8780 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
8781 (PowerPC Type Attributes): New.
8783 2006-08-26 Bob Wilson <bob.wilson@acm.org>
8785 * config/xtensa/xtensa.c (function_arg_boundary): New.
8786 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
8788 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
8789 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
8791 2006-08-26 Jakub Jelinek <jakub@redhat.com>
8794 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
8797 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8799 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
8800 (verify_local_live_at_start): Likewise.
8802 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8805 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
8806 omp_add_variable): Treat sizes as variable whenever not
8809 2006-08-26 Richard Guenther <rguenther@suse.de>
8812 * fold-const.c (fold_binary): Fold temporary to correct
8813 type before constructing new comparison.
8815 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
8818 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
8819 variable again if DECL_SEEN_IN_BIND_EXPR_P.
8821 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8824 * c-decl.c (start_function): Don't try to process prototype
8825 information from old declaration that isn't a function.
8827 2006-08-25 Jan Hubicka <jh@suse.cz>
8830 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
8832 2006-08-25 Alan Modra <amodra@bigpond.net.au>
8835 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
8838 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
8840 PR tree-optimization/16876
8841 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
8842 exit if PARM doesn't match VALUE.
8844 2006-08-25 Bob Wilson <bob.wilson@acm.org>
8846 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
8847 literal_prefix directive.
8848 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
8849 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8850 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8852 2006-08-25 David Edelsohn <edelsohn@gnu.org>
8855 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
8856 predicate to general_operand. Add 0->y and I->r alternatives.
8858 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
8860 * doc/tm.texi: Fix a typo.
8861 * predict.c: Fix comment typos.
8863 2006-08-25 Nick Clifton <nickc@redhat.com>
8865 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
8866 assertions of "cpu" and "machine".
8868 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
8871 * tree-ssa-operands.c (access_can_touch_variable): Don't say
8872 the access through a base which has an alias set of 0 cannot
8875 2006-08-24 Bill Wendling <wendling@apple.com>
8877 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
8879 2006-08-24 Jan Hubicka <jh@suse.cz>
8881 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
8883 2006-08-24 Jan Hubicka <jh@suse.cz>
8886 * cgraph.c: Fix comments.
8887 (cgraph_varpool_mark_needed_node): Mark only variables not already
8889 * cgraphunit.c: Update comments; include gt-cgraphunit.h
8890 (cgraph_varpool_assembled_nodes_queue): New static variable.
8891 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
8892 (cgraph_varpool_output_debug_info): New function.
8893 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
8894 * Makefile.in: Add gt-cgraphunit.h
8896 2006-08-24 Jan Hubicka <jh@suse.cz>
8898 * predict.c (probability_reliable_p): New predicate.
8899 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
8900 (predict_loops): Do not predict loop exit with less than 2%
8902 * basic-block.h (edge_probability_reliable_p,
8903 br_prob_note_reliable_p): Declare.
8904 * ia64.h (ia64_print_operand): Do not disable on-chip branch
8905 prediction when static predictor is not reliable.
8906 * rs6000.c (output_cbranch): Likewise.
8908 2006-08-23 Stuart Hastings <stuart@apple.com>
8911 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
8912 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
8914 2006-08-21 Geoffrey Keating <geoffk@apple.com>
8917 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
8918 complex values, nor for generic vector values.
8920 2006-08-22 Richard Guenther <rguenther@suse.de>
8923 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
8924 parameter. Convert arguments to arithmetic expression to the
8926 (analyze_scalar_evolution_1): Adjust caller.
8928 2006-08-22 Jan Hubicka <jh@suse.cz>
8930 Patch by Paolo Bonzini
8931 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
8934 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
8936 PR tree-optimization/28003
8937 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
8938 before grouping aliases.
8940 2006-08-22 Roger Sayle <roger@eyesopen.com>
8942 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
8943 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
8945 2006-08-21 Jason Merrill <jason@redhat.com>
8948 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
8949 wrapper. Loop to handle nested wrappers.
8950 (gimplify_bind_expr): Remove temp parameter.
8951 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
8952 and STATEMENT_LIST on the rhs.
8953 (gimplify_statement_list): Voidify the STATEMENT_LIST.
8954 (gimplify_expr): Pass pre_p to gimplify_statement_list.
8955 (gimplify_target_expr): Remove special BIND_EXPR handling.
8957 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
8959 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
8962 2006-08-21 Olivier Hainque <hainque@adacore.com>
8964 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
8965 Arrange for the temporary captures of components overlapping the lhs
8966 to happen before the lhs is possibly cleared.
8968 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
8970 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
8971 necessary places to pass the correct "number of registers" values
8974 2006-08-20 Jan Hubicka <jh@suse.cz>
8976 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
8977 (create_name_tags): Instead of quadratic checking use hashtable.
8978 * bitmap.h: Include hashtab.h.
8979 (bitmap_hash): Declare.
8980 * bitmap.c (bitmap_hash): New function.
8982 2006-08-20 Jan Hubicka <jh@suse.cz>
8984 PR rtl-optimization/28071
8985 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
8987 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
8988 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
8989 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
8990 cgraph_decide_inlining_incrementally): Update use of
8991 cgraph_check_inline_limits.
8992 * cgraph.c (edge_hash, edge_eq): New function.
8993 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
8994 cgraph_edge_remove_caller, cgraph_node_remove_callees,
8995 cgraph_remove_node): Maintain call site hash.
8996 * cgraph.h (struct cgraph_node): Add call_site_hash.
8997 (cgraph_set_call_stmt): New function.
8999 2006-08-20 Jan Hubicka <jh@suse.cz>
9001 PR rtl-optimization/28071
9002 * reload1.c (reg_has_output_reload): Turn into regset.
9003 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
9004 choose_reload_regs, emit_reload_insns): Update to new
9005 reg_has_output_reload.
9007 2006-08-20 Jan Hubicka <jh@suse.cz>
9010 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
9011 function body sizes.
9012 * cgraphunit.c (cgraph_analyze_function): Don't do so.
9014 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
9017 * tree.c (handle_dll_attribute): Return early if not a
9018 var or function decl.
9020 2006-08-18 Joseph Myers <joseph@codesourcery.com>
9023 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
9024 alignment of SPE vector types.
9026 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
9028 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
9030 2006-08-17 Jakub Jelinek <jakub@redhat.com>
9033 * cgraph.h (struct cgraph_node): Remove externally_visible
9035 * cgraphunit.c (process_function_and_variable_attributes): Set
9036 local.externally_visible rather than externally_visible.
9039 * c-common.c (handle_externally_visible_attribute): First look
9040 at TREE_CODE and only if it is function or var decl, check for
9041 non-public objects. Don't warn for DECL_EXTERNAL.
9042 * cgraphunit.c (process_function_and_variable_attributes): Warn
9043 if externally_visible attribute is used on non-public object.
9045 2006-08-17 Jan Hubicka <jh@suse.cz>
9047 PR tree-optimization/27865
9048 * reload1.c (forget_marked_reloads): New function.
9049 (forget_old_reloads_1): When data are passed, just mark the registers
9051 (reload_as_needed): Use the new mechanizm.
9053 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
9056 * reload.h (reg_equiv_alt_mem_list): New declaration.
9057 * reload1.c (reg_equiv_alt_mem_list): New definition.
9058 (reload): Initialize it and release it.
9059 (delete_output_reload): Use it.
9060 * reload.c (push_reg_equiv_alt_mem): New function.
9061 (find_reloads_toplev): Call it.
9062 (find_reloads_address, find_reloads_address_1): Likewise.
9063 (find_reloads_subreg_address): Likewise.
9065 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9067 PR rtl-optimization/28489
9068 * sched-ebb.c (begin_schedule_ready): Create basic block
9070 (advance_target_bb): Skip empty blocks.
9071 * haifa-sched.c (bb_note): Make global.
9072 * sched-int.h (bb_note): Add prototype.
9074 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9076 PR tree-optimization/27865
9077 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
9079 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
9080 fold_used_pointer, pointer_used_p): New functions.
9081 (analyze_scalar_evolution_1): Use fold_used_pointer.
9082 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
9083 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
9086 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
9089 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
9090 or the INTEGER_CST. Fail on a CALL_EXPR.
9091 (fold_offsetof): Pass new argument to fold_offsetof_1.
9092 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
9093 operand into an INDIRECT_REF.
9094 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
9096 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9098 PR gcov/profile/26570
9099 * value-prof.c (static_values): Removed.
9100 (tree_find_values_to_profile): Do not set static_values.
9101 (find_values_to_profile): Do not free static_values.
9102 * profile.c (instrument_values): Do not free the values.
9103 (branch_prob): Free the values.
9105 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
9107 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
9109 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
9112 * c-typeck.c (build_component_ref): Combine qualifiers of
9113 structure or union and field.
9115 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9117 PR rtl-optimization/28071
9118 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
9119 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
9120 * tree-into-ssa.c (struct dom_dfsnum): New.
9121 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9123 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
9124 compute_global_livein.
9125 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
9126 in phi nodes in the correct blocks.
9128 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9130 PR tree-optimization/28364
9131 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9133 (fold_affine_expr): New function.
9134 (may_eliminate_iv): Use fold_affine_expr.
9136 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9139 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9142 2006-08-16 Mike Stump <mrs@apple.com>
9144 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9145 * doc/cppopts.texi (-MD): Likewise.
9147 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
9150 * c-common.c (handle_weak_attribute): Ignore and warn if
9151 not a FUNCTION_ or VAR_DECL.
9153 2006-07-15 Mike Stump <mrs@apple.com>
9156 * c-parser.c (c_parser_typeof_specifier): Don't use
9157 c_finish_expr_stmt, open code desired semantics instead.
9159 2006-08-15 Nick Clifton <nickc@redhat.com>
9161 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9162 fragment to tmake_file only if threads are enabled.
9163 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9164 * config/i386/t-gthr-win32: New file. ... here.
9166 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9169 * c-parser.c (c_parser_compound_statement_nostart): Reset
9170 parser->error after each statement.
9172 2006-08-15 Jakub Jelinek <jakub@redhat.com>
9175 * omp-low.c (lower_omp_parallel): Convert t to
9176 receiver_decl's type.
9177 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9178 source before comparison.
9181 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9182 to itype in assignment to oldival2.
9184 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
9188 * c-typeck.c (build_compound_expr): If the second expression
9189 is an error mark, then just return an error mark instead of
9190 creating a COMPOUND_EXPR.
9192 2006-07-14 Mike Stump <mrs@apple.com>
9194 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9196 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
9198 * c-decl.c, var-tracking.c: Fix comment typos.
9200 2006-08-14 Richard Sandiford <richard@codesourcery.com>
9202 PR rtl-optimization/28634
9203 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9204 for floating-point modes unless flag_unsafe_math_optimizations.
9206 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
9207 Andrew Pinski <pinskia@physics.uc.edu>
9210 * tree.c (build_array_type): Unify array types with
9211 unspecified index_type.
9212 * c-decl.c (grokdeclarator): Make sure we do not modify a
9213 unified incomplete array type.
9214 * c-typeck.c (store_init_value): Create distinct type before
9215 filling in the index type in an initializer from a compound
9218 * c-decl.c (grokdeclarator): Remove code where we copy the
9221 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
9223 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9224 into account for TODO_dump_cgraph.
9225 (TODO_update_ssa_no_phi): Likewise.
9226 (TODO_update_ssa_full_phi): Likewise.
9227 (TODO_update_ssa_only_virtuals): Likewise.
9228 (TODO_remove_unused_locals): Likewise.
9229 (TODO_set_props): Likewise.
9230 (TODO_update_stmt_usage): Likewise.
9232 2006-08-13 Dirk Mueller <dmueller@suse.de>
9234 * c-common.c (strict_aliasing_warning): Fix formatting.
9236 2006-08-13 Matthias Klose <doko@debian.org>
9238 * doc/invoke.texi: Fix spelling errors.
9240 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9242 PR rtl-optimization/23454
9243 * reorg.c (relax_delay_slots): Update comment.
9245 2006-08-11 Richard Guenther <rguenther@suse.de>
9248 * simplify-rtx.c (simplify_const_relational_operation):
9249 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9252 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
9254 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9255 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9257 2006-08-10 Paul Brook <paul@codesourcery.com>
9259 * final.c (final_scan_insn): Clear current_insn_predicate before
9260 outputting inline asm.
9262 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
9264 PR tree-optimization/26197
9265 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
9266 get_ref_base_and_extent and overlap_subvar to add only relevant
9267 subvars as may-aliases.
9268 (add_may_alias_for_new_tag): New function, factored out of
9270 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
9271 with additional argument.
9272 * tree-flow.h (new_type_alias): Takes additional argument.
9274 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
9276 * gcov.c (no_data_file): New flag.
9277 (read_count_file): Set it if data file not present. Assume counts
9279 (output_lines): Don't name the data file, if there wasn't one.
9281 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
9283 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
9284 (rs6000_generate_compare): Tweak comments.
9285 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
9287 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
9289 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
9290 (var_debug_decl): New function.
9291 (var_reg_set): Follow debug decl link. Add location even if
9292 reg is already known to hold some other variable.
9293 (var_mem_set): Follow debug decl link.
9294 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
9295 decl link. Delete other known locations of the variable part
9297 (var_reg_delete, var_mem_delete): Delete other known locations
9298 of the variable part if requested.
9299 (same_variable_part_p): New function.
9300 (add_stores): Select MO_COPY when appropriate.
9301 (vt_initialize): Handle it.
9302 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
9303 known locations for MO_SET and MO_CLOBBER.
9304 (find_variable_location_part): New function.
9305 (set_variable_part, delete_variable_part): Use it.
9306 (clobber_variable_part): New function.
9307 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
9310 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
9312 PR tree-optimization/26969
9313 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
9314 with an empty list of PHIs.
9316 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
9320 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9323 2006-08-06 Andreas Schwab <schwab@suse.de>
9325 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
9326 string. Whitespace and comment fixup.
9328 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9331 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
9335 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
9338 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9340 2006-08-04 Jan Hubicka <jh@suse.cz>
9344 * reload.c (push_reload): Patch out the mismatching instruction;
9346 (find_reload): Bail out if the instruction was patched out.
9348 2006-08-04 Jan Hubicka <jh@suse.cz>
9350 PR tree-optimization/24888
9351 * tree-inline.c (expand_call_inline): Do not re-record variables.
9352 (declare_inline_vars): Add variable to unexpanded_var_list.
9354 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9355 Roger Sayle <roger@eyesopen.com>
9357 PR rtl-optimization/26244
9358 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
9359 inner_const are negative or greater than or equal to the bitsize of
9360 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
9361 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
9362 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
9363 CONST0_RTX (mode) when the new shift count is greater than or equal to
9364 to the bitsize of the object being shifted and XEXP (y, 0) has no side
9367 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
9369 * tree-cfg.c: Fix a comment typo.
9371 2006-08-03 Mark Mitchell <mark@codesourcery.com>
9374 * varasm.c (output_constant): Give the front end another chance to
9375 expand constants, after stripping NOPs.
9377 2006-08-03 Jan Hubicka <jh@suse.cz>
9379 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
9382 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
9384 PR tree-optimization/27770
9385 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
9386 declaration removed (moved to tree-flow.h).
9387 (vect_can_force_dr_alignment_p): Likewise.
9388 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
9389 (moved from tree-vectorizer.h).
9390 (vect_can_force_dr_alignment_p): Likewise.
9391 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
9392 from outside the vectorizer - in particular from cgraph stage.
9393 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
9394 the alignment of global arrays when -fsection-anchors is enabled.
9395 * cgraphunit.c (cgraph_increase_alignment): New function.
9396 (cgraph_optimize): Call cgraph_increase_alignment.
9398 2006-08-03 David Edelsohn <edelsohn@gnu.org>
9401 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
9402 not reload a SPE symbol_ref into a lo_sum address.
9404 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
9407 * dwarf2out.c (prune_unused_types_prune): Move call to
9408 prune_unused_types_update_strings to cover the parent DIE also.
9410 2006-08-02 Jan Hubicka <jh@suse.cz>
9412 PR gcov/profile/28480
9413 * tree-cfg.c (change_bb_for_stmt): New function.
9414 (tree_merge_blocks, tree_split_blocks): Use it.
9416 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9422 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9423 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9424 (cgraph_optimize): Likewise.
9426 2006-08-01 Stuart Hastings <stuart@apple.com>
9428 * rtl.h (UINTVAL) New.
9429 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9430 * testsuite/gcc.dg/20060801-1.c: New.
9432 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9435 * c-typeck.c (build_external_type): Mark used enum types.
9436 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9438 (gen_subprogram_die): Whitespace fix.
9440 2006-08-01 Jan Hubicka <jh@suse.cz>
9442 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9443 bitmap when not needed.
9444 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9447 2006-08-01 Dirk Mueller <dmueller@suse.de>
9449 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9451 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9453 * Makefile.in: Revert part of previous patch:
9454 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9457 2006-07-30 Eric Christopher <echristo@apple.com>
9460 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9461 (PowerPC Variable Attributes): New section.
9463 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9465 PR target/28126 (partial fix)
9466 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9468 2006-07-28 Jan Hubicka <jh@suse.cz>
9470 PR rtl-optimization/28071
9471 * cfgrtl.c (rtl_delete_block): Free regsets.
9472 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9474 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9476 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9477 and variables used in dependencies.
9479 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9481 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9482 %fs for -mcmodel=kernel.
9483 (stack_tls_protect_test_di): Likewise.
9485 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9487 * Makefile.in: Use mkinstalldirs.
9489 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9492 * opts-common.c (prune_options): Skip joined switches.
9494 2006-07-27 Jan Hubicka <jh@suse.cz>
9496 PR rtl-optimization/28071
9497 * cselib.c (cselib_process_insn): Don't remove useless values too
9498 often for very large hashtables.
9500 2006-07-27 Jan Hubicka <jh@suse.cz>
9502 PR rtl-optimization/28071
9503 * global.c (greg_obstack): New obstack.
9504 (allocate_bb_info): Use it.
9505 (free_bb_info): Likewise.
9506 (modify_reg_pav): Likewise.
9508 2006-07-27 Roger Sayle <roger@eyesopen.com>
9510 * builtins.c (fold_fixed_mathfn): When long and long long are the
9511 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9512 functions to their lceil*, lfloor*, lround* and lrint* forms.
9514 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9517 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9519 (rev_branch_insn): Likewise.
9521 2006-07-27 Jan Hubicka <jh@suse.cz>
9523 PR rtl-optimization/28071
9524 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9525 (reg_set_in_bb, max_reg_computed): New static variables.
9526 (regmove_optimize): Free the new array.
9527 (fixup_match_1): Update call of reg_is_remote_constant_p.
9529 2006-07-26 Jan Hubicka <jh@suse.cz>
9531 PR tree-optimization/27882
9532 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9534 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9536 (cgraph_analyze_compilation_unit): Likewise.
9537 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9538 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9539 (cgraph_early_inlinine): Make order garbage collected.
9540 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9542 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9544 * dbxout.c (output_types_sort): Add a comment.
9545 (output_used_types): Free the VEC.
9547 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9549 * function.c (reorder_fix_fragments): Delete.
9550 (reorder_blocks): Don't call it.
9551 (reorder_blocks_1): Put all subblocks under the origin block.
9553 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9555 PR rtl-optimization/27907
9556 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9559 2006-07-25 Roger Sayle <roger@eyesopen.com>
9562 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9563 bar(x) check that bar's result type can represent all the values of T.
9565 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9567 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9569 2006-07-25 Nick Clifton <nickc@redhat.com>
9571 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9572 size_lookup[] array.
9573 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9574 (ggc_pch_count_object): Likewise.
9575 (ggc_pch_alloc_object): Likewise.
9576 (ggc_pch_write_object): Likewise.
9577 (init_ggc): Do not attempt to initialize entries in the
9578 size_lookup[] array for objects whose size is greater than than
9579 the length of the array.
9581 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9583 * dbxout.c (output_used_types_helper): Push queued types
9585 (output_types_sort): New.
9586 (output_used_types): Collect used types on a VEC and sort them
9589 2006-07-24 Richard Guenther <rguenther@suse.de>
9592 * cgraph.c (cgraph_remove_node): Do not check if dumps
9594 * cgraphunit.c (cgraph_optimize): Likewise.
9596 2006-07-24 Jan Hubicka <jh@suse.cz>
9598 PR rtl-optimization/28071
9599 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9600 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9601 splitting before first stmt.
9603 2006-07-24 Jan Hubicka <jh@suse.cz>
9605 PR rtl-optimization/28071
9606 * ipa-inline.c (update_caller_keys): Remove edges that
9607 are no longer inline candidates.
9609 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9612 * dbxout.c (output_used_types_helper, output_used_types): New.
9613 (dbxout_symbol): Call output_used_types.
9615 2006-07-23 Jan Hubicka <jh@suse.cz>
9619 * cgraph.c (cgraph_varpool_nodes): Export.
9620 (decide_is_variable_needed): Ignored "used" attribute in
9621 unit-at-a-time mode.
9622 * cgraph.h (cgraph_varpool_nodes): Declare.
9623 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
9624 unit-at-a-time mode.
9626 2006-07-23 Roger Sayle <roger@eyesopen.com>
9629 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
9630 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
9631 the __gthrw form of thr_keycreate.
9632 (__gthread_key_delete): Silence the unused argument warning.
9634 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
9637 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
9638 Cache the last found '\0' marker to avoid quadratic behavior.
9640 2006-07-23 Jan Hubicka <jh@suse.cz>
9642 * i386.md (subsi_3_zext): Fix output template.
9644 2006-07-21 Mike Stump <mrs@apple.com>
9646 * doc/invoke.texi (C++ Dialect Options): Note that
9647 -fvisibility-inlines-hidden doesn't affect explicitly
9648 instantiationed inline methods.
9650 2006-07-20 Roger Sayle <roger@eyesopen.com>
9652 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
9653 if the target assembler is GNU binutils' gas.
9654 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
9655 whether to pass GNU gas or native as command line options.
9657 2006-07-20 Jason Merrill <jason@redhat.com>
9659 * tree.c (remove_attribute): New fn.
9660 * tree.h: Declare it.
9662 2006-07-20 Paul Brook <paul@codesourcery.com>
9665 * cse.c (cse_insn): Add destination addresses to hash table. Check if
9666 they are invalidated by this instruction.
9668 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
9671 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
9673 2006-07-20 Eric Christopher <echristo@apple.com>
9676 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
9678 2006-07-19 Eric Christopher <echristo@apple.com>
9680 * config/t-slibgcc-darwin (stmp-lipo): Remove.
9681 Rewrite dependencies for libgcc_s.1.dylib.
9683 2006-07-19 Jakub Jelinek <jakub@redhat.com>
9685 * except.c (duplicate_eh_regions_1): Clear next_peer.
9687 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
9689 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
9690 -mlongcall does not guarantee all calls will be long.
9691 * doc/extend.texi (long_call/short_call): Document that longcall
9692 does not guarantee a long call will be used.
9693 (longcall/shortcall): Likewise.
9695 2006-07-18 Roger Sayle <roger@eyesopen.com>
9698 * expmed.c (expand_shift): Additionally check that the shift_cost
9699 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
9700 before implementing a LSHIFT_EXPR as a sequence of additions.
9701 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
9702 middle-end that DImode shifts need to be synthesized by expand.
9704 2006-07-18 Diego Novillo <dnovillo@redhat.com>
9707 * tree-ssa-operands.c (access_can_touch_variable): Update
9709 Return true if ALIAS is .GLOBAL_VAR.
9711 2006-07-18 David Daney <ddaney@avtrex.com>
9713 * gcc.c (display_help): Fix typo in help text.
9715 2006-07-18 Olivier Hainque <hainque@adacore.com>
9717 * tree.h (categorize_ctor_elements): Adjust prototype and add
9718 descriptive comment, both in accordance with the interface change
9720 * varasm.c (constructor_static_from_elts_p): New function.
9721 Whether a constructor node is a valid static constant initializer
9722 if all its elements are.
9723 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
9724 * output.h: Declare it.
9725 * expr.c (categorize_ctor_elements_1): Return whether the constructor
9726 is a valid constant initializer instead of computing the number of
9727 non-constant elements. Use constructor_static_from_elts_p for this
9728 purpose. Replace the head comment with an indication that this is a
9729 helper for categorize_ctor_elements.
9730 (categorize_ctor_elements): Same interface change as for the _1
9731 helper. Former head comment from this helper moved here, adjusted to
9732 account for the interface changes.
9733 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
9734 (all_zeros_p): Likewise.
9735 * gimplify.c (gimplify_init_constructor): Decide whether we can make
9736 static versions of the constructor from the categorize_ctor_elements
9737 return value instead of the formerly computed number of non-constant
9740 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
9742 * configure: Regenerate.
9743 * Makefile.in (build_libsubdir): New configure substitution
9744 (build_libobjdir): New variable.
9745 (BUILD_LIBIBERTY): Use it.
9747 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9750 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
9752 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
9755 * c-common.c (handle_weakref_attribute): Ignore attribute in
9756 the same conditions the alias attribute is ignored.
9758 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
9760 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
9761 (dbxout_begin_prologue): Increment scope_labelno.
9763 2006-07-17 Richard Henderson <rth@redhat.com>
9766 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
9769 2006-07-17 Roger Sayle <roger@eyesopen.com>
9770 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9772 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
9773 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
9774 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
9775 functions such as sbrk, write, etc.. Add function prototypes.
9776 Convert function declarations from K&R to ISO C. Cast pointers
9777 to "long" and "unsigned long" instead of "int" and "unsigned int".
9778 Convert tokens following #endif into comments.
9780 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
9782 * invoke.texi: Remove mention of f77; Reformat table for
9783 inline parameter options correctly; mention that -malign-double
9784 is default on x86-64 targets.
9786 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
9788 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
9789 (convert_affine_scev, chrec_convert_aggressive): Use
9790 avoid_arithmetics_in_type_p. Do not check for the subtypes
9793 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9796 * optabs.c (expand_doubleword_shift): Wrap the call to
9797 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
9799 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9802 * optabs.c (expand_binop): Pass next_methods rather than methods
9803 to expand_doubleword_shift.
9805 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
9808 * tree.h (dump_addr): Declare.
9809 * print-tree.c (dump_addr): New function.
9810 (print_node_brief, print_node): Use it.
9811 * print-rtl.c (print_rtx): Likewise.
9812 * common.opt (-fdump-noaddr): New option.
9813 * doc/invoke.texi (-fdump-noaddr): Document.
9814 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
9815 (ve_info_hash): Likewise.
9817 2006-07-13 Andrew Haley <aph@redhat.com>
9819 PR tree-optimization/19505
9820 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
9821 edge leaving this block, make sure that the destination of this
9822 block has only one predecessor.
9824 2006-07-17 Richard Guenther <rguenther@suse.de>
9826 PR tree-optimization/28238
9827 * tree-inline.c (copy_bb): Check if we produced valid
9828 gimple copying and substituting a stmt. If not, gimplify
9831 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
9833 * optabs.c (maybe_encapsulate_block): New function extracted from...
9834 (emit_libcall_block): ...here. Invoke it on the block of insns to
9835 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
9836 (emit_no_conflict_block): Likewise.
9838 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9840 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
9842 2006-07-15 Roger Sayle <roger@eyesopen.com>
9844 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
9845 a new NOP_EXPR case of the switch statement.
9847 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
9850 * stor-layout.c (place_field): Take the bit field with
9851 an excessive size into account in the ms-bitfiled case.
9854 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
9855 the previous bit field.
9857 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
9860 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
9862 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
9864 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
9865 signal frames correctly even when the signal was installed with
9868 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
9870 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
9871 (dbxout_function_end): Use local label LFBB. Remove hook
9873 (dbxout_source_line): Use local label LFBB.
9874 (dbxout_block): Likewise.
9875 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
9876 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
9877 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
9878 and DBX_OUTPUT_NFUN.
9880 2006-07-13 Janis Johnson <janis187@us.ibm.com>
9882 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
9884 2006-07-13 Jan Hubicka <jh@suse.cz>
9886 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
9888 * output.h (align_variable): Declare.
9889 * varasm.c (align_variable): Export.
9890 * value-prof.c (tree_value_profile_transformations): Recompute iterator
9891 when basic block changed.
9893 2006-07-13 Nick Clifton <nickc@redhat.com>
9895 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
9896 walking the LOG_LINKS chain.
9898 2006-07-12 Geoffrey Keating <geoffk@apple.com>
9900 * doc/invoke.texi (C++ Dialect Options): Explain difference
9901 between -fvisibility-inlines-hidden and setting hidden
9902 visibility explicitly.
9904 2006-07-12 Eric Christopher <echristo@apple.com>
9906 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
9907 (stmp-lipo): Depend on libgcc.a.
9909 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
9911 * tree.c: Fix a comment typo.
9913 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
9915 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
9917 (umulhisi3_r): Likewise.
9919 2006-07-12 Paolo Carlini <pcarlini@suse.de>
9922 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
9923 x < 19, vs wchar_t support.
9925 2006-07-12 Nick Clifton <nickc@redhat.com>
9927 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
9928 instead of -isa=sh4.
9930 2006-07-12 Mike Stump <mrs@apple.com>
9932 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
9934 2006-07-10 Eric Christopher <echristo@apple.com>
9936 * config/t-slibgcc-darwin: Rewrite.
9938 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
9941 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
9944 2006-07-08 Matthias Klose <doko@debian.org>
9946 * doc/sourcebuild.texi: Fix typo.
9948 2006-07-07 Mike Stump <mrs@apple.com>
9950 * toplev.c (process_options): Don't give -ffunction-sections may
9951 affect debugging warning for Mach-O.
9953 2006-07-07 James E Wilson <wilson@specifix.com>
9955 * config/mips/mips.md (cpu): Add sb1a.
9956 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
9957 addition to sb1. Adjust comments to clarify SB-1A differences from
9959 (ir_sb1a_load): New. Modify bypasses to use it.
9960 (ir_sb1a_simple_alu): Likewise.
9961 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
9962 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
9963 (mips_issue_rate): Add PROCESSOR_SB1A.
9964 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
9965 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
9966 (TARGET_SB1): Add PROCESSOR_SB1A check.
9967 (TUNE_SB1): Likewise.
9969 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
9970 * config/mips/mips.c (mips_store_data_bypass_p): New.
9971 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
9972 store_data_bypass_p.
9974 2006-07-08 Paul Brook <paul@codesourcery.com>
9977 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
9979 2006-07-07 Richard Guenther <rguenther@suse.de>
9982 * tree.h (build_one_cst): Declare.
9983 * tree.c (build_one_cst): New function.
9984 * tree-ssa-math-opts.c (get_constant_one): Remove.
9985 (insert_reciprocals): Use build_one_cst.
9986 * fold-const.c (fold_plusminus_mult): Likewise.
9988 2006-07-07 Roger Sayle <roger@eyesopen.com>
9990 * pointer-set.c (pointer_set_destroy): Correct whitespace.
9991 * cfgloopanal.c (dump_graph): Likewise.
9992 * dojump.c (discard_pending_stack_adjust): Likewise.
9993 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
9995 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
9996 * function.c (finalize_block_changes): Likewise.
9997 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
9998 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
9999 * rtl.c (dump_rtx_statistics): Likewise.
10000 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
10002 * varray.c (dump_varray_statistics): Likewise.
10003 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
10004 decode_decimal64, encode_decimal128, decode_decimal128,
10005 decimal_real_to_decimal): Likewise.
10007 2006-07-07 Richard Guenther <rguenther@suse.de>
10009 PR tree-optimization/28187
10010 * tree-vrp.c (vrp_operand_equal_p): New function.
10011 (vrp_bitmap_equal_p): Likewise.
10012 (update_value_range): Use them to compare old and new
10013 max and min values.
10015 2006-07-06 Roger Sayle <roger@eyesopen.com>
10017 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
10018 a default case to switch statement to silence compiler warnings.
10020 2006-07-06 Roger Sayle <roger@eyesopen.com>
10023 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
10024 the configured assembler supports the x87's ffreep mnemonic.
10025 * configure: Regenerate.
10026 * config.in: Regenerate.
10028 * config/i386/i386.c (output_387_ffreep): New function.
10029 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
10030 (output_387_reg_move): Likewise.
10032 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
10034 Port to hosts whose 'sort' and 'tail' implementations
10035 treat operands with leading '+' as file names, as POSIX
10036 has required since 2001. However, make sure the code still
10037 works on pre-POSIX hosts.
10038 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
10039 which says you should use "tail -c +N" rather than "tail +Nc".
10040 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
10042 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
10044 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
10047 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10050 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
10051 PRE_{INC,DEC} of TFmode.
10053 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10054 Alan Modra <amodra@bigpond.net.au>
10057 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
10060 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10063 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
10064 Remove duplicate gtu.
10066 2006-07-05 Jason Merrill <jason@redhat.com>
10070 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
10071 * c-common.c (handle_packed_attribute): So don't copy it here.
10072 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
10074 2006-07-05 Mike Stump <mrs@apple.com>
10076 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
10078 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
10081 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10083 2006-07-05 Richard Guenther <rguenther@suse.de>
10086 * config/i386/i386.md (*negdf2_1): Restrict pattern to
10087 TARGET_SSE2 targets if using SSE math.
10088 (*absdf2_1): Likewise.
10090 2006-07-05 Richard Guenther <rguenther@suse.de>
10092 PR tree-optimization/28162
10093 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
10094 make sure to convert the operands to the correct type.
10096 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
10098 PR tree-optimization/28218
10100 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
10101 to calculate and free the dominator information.
10103 2006-07-04 Peter O'Gorman <peter@pogma.com>
10105 * mklibgcc.in: chmod 644 before ranlib during install.
10107 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
10108 J"orn Rennecke <joern.rennecke@st.com>
10110 * configure.ac (.eh_frame data check): Use diff -b.
10112 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
10115 * Makefile.in (BUILD_RTL): Add build/vec.o.
10116 (build/gencondmd.o): Filter out -fkeep-inline-functions.
10117 (build/genextract): Delete.
10118 (build/genautomata): Likewise.
10120 2006-07-04 Alan Modra <amodra@bigpond.net.au>
10123 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
10124 128-bit IBM long doubles for ABI_V4.
10126 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
10128 * tree.c (range_in_array_bounds_p): New predicate.
10129 * tree.h (range_in_array_bounds_p): Declare it.
10130 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
10131 return a less conservative answer.
10132 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10133 and flag 'is_group'.
10134 (IS_ELEMENT_FOR_GROUP): New macro.
10135 (FOR_EACH_ACTUAL_CHILD): Likewise.
10136 (next_child_for_group): New helper function.
10137 (can_completely_scalarize_p): Take into account groups.
10138 (sra_hash_tree): Handle RANGE_EXPR.
10139 (sra_elt_eq): Likewise.
10140 (lookup_element): Be prepared for handling groups.
10141 (is_valid_const_index): Delete.
10142 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
10143 instead of is_valid_const_index.
10144 <ARRAY_RANGE_REF>: New case.
10145 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
10146 is_valid_const_index.
10147 <ARRAY_RANGE_REF>: Do not unconditionally punt.
10148 (scan_dump): Dump info for groups too.
10149 (decide_instantiation_1): Likewise.
10150 (decide_block_copy): Assert that the element is not a group.
10151 Propagate decision to groups.
10152 (generate_one_element_ref): Handle RANGE_EXPR.
10153 (mark_no_warning): Iterate over actual childs.
10154 (generate_copy_inout): Likewise.
10155 (generate_element_copy): Likewise.
10156 (generate_element_zero): Likewise.
10157 (generate_element_init_1): Likewise.
10158 (dump_sra_elt_name): Handle RANGE_EXPR.
10160 2006-07-03 Roger Sayle <roger@eyesopen.com>
10162 PR tree-optimization/26251
10163 * tree-ssa-threadupdate.c (redirection_block_p): New function.
10164 (thread_block): When optimizing for size refuse to thread jumps
10165 that would require duplication of blocks other than redirection
10168 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10170 * configure.ac: Fix thinko in previous check-in.
10171 * configure: Regenerate.
10173 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10176 * configure.ac (for lang...): Simplify nesting of conditionals.
10177 Test subdir_requires for non-enabled languages. Move processing
10178 of lang_opt_files and lang_tree_fiels below that test.
10179 * configure: Regenerate.
10180 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10182 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
10184 * doc/gcov.texi (Invoking Gcov): Add a missing word.
10186 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
10188 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10191 2006-06-29 Jason Merrill <jason@redhat.com>
10198 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10199 * c-common.c (c_determine_visibility): Handle it here.
10200 * c-decl.c (finish_decl): Call c_determine_visibility for
10202 * flags.h (enum symbol_visibility): Sort from most to least visibility.
10203 * tree.h: Likewise.
10204 * varasm.c (default_assemble_visibility): Likewise.
10205 * c-common.c (handle_visibility_attribute): Complain about trying
10206 to give visibility to an already defined class, or trying to change
10207 declared visibility. Always attach the attribute.
10212 * attribs.c (decl_attributes): Ignore type-in-place attributes
10213 once the type has been defined.
10215 2006-06-29 Roger Sayle <roger@eyesopen.com>
10217 PR middle-end/27428
10218 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10219 to indicate the cpplib has issued an error message for us.
10221 2006-06-29 Asher Langton <langton2@llnl.gov>
10224 * config/i386/i386.c (ix86_output_function_epilogue): Don't
10225 insert a label at the end of an function under Mach-O.
10227 2006-06-29 Eric Christopher <echristo@apple.com>
10228 Evan Cheng <evan.cheng@apple.com>
10230 * predicates.md (vector_all_ones_operand): New.
10231 (nonimmediate_or_sse_const_operand): Ditto.
10232 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10233 * config/i386/i386.c (standard_sse_constant_opcode): Define.
10234 (standard_sse_mode_p): Ditto.
10235 (standard_sse_constant_p): Add case for -1 vector.
10236 (ix86_expand_vector_move): Try to use.
10237 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10238 Call standard_sse_constant_opcode.
10239 (*movv4sf_internal): Ditto.
10240 (*movv2df_internal): Ditto.
10242 2006-06-29 Roger Sayle <roger@eyesopen.com>
10244 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10245 of XEXP to extract the operands of a MATCH_CODE rtx.
10247 2006-06-28 Andrew Pinski <pinskia@gmail.com>
10249 * tree.c (tree_size): Do not waste tail padding in
10250 struct tree_string and make the size be the same as
10251 build_string will generate.
10253 2006-06-28 Jason Merrill <jason@redhat.com>
10256 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10257 may_aliases already in the tag's annotations to the bitmap.
10259 2006-06-28 Roger Sayle <roger@eyesopen.com>
10261 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
10263 2006-06-28 Roger Sayle <roger@eyesopen.com>
10265 * genpreds.c (generate_switch_p): New function.
10266 (add_mode_tests): Push the new mode test down inside an AND expr
10267 if this allows the switch-suitable MATCH_CODE to be near the root.
10268 (write_match_code_switch): New function to write a MATCH_CODE as
10269 a switch statement.
10270 (write_predicate_stmts): New function to write a predicate RTX
10271 expression as a sequence of statements.
10272 (write_one_predicate_function): Use write_predicate_stmts.
10273 (write_tm_constrs_h): Likewise.
10275 2006-06-26 Fred Fish <fnf@specifix.com>
10277 * config/mips/t-sb1: New file.
10278 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
10281 2006-06-26 DJ Delorie <dj@redhat.com>
10283 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
10285 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
10286 Jayant Sonar <jayants@kpitcummins.com>
10287 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
10289 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10290 (subsi3, subsi3_1, subsi3_2): New.
10291 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
10292 * config/m32c/mov.md (SI mov peephole): New.
10293 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
10294 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
10296 2006-06-26 Olivier Hainque <hainque@adacore.com>
10298 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
10299 a CALL_EXPR target function declaration.
10301 2006-06-26 Richard Guenther <rguenther@suse.de>
10303 * tree.c (build_string): Do not waste tail padding in
10304 struct tree_string.
10306 2006-06-26 Richard Guenther <rguenther@suse.de>
10308 * ggc-page.c (init_ggc): Add missing element to size_lookup
10312 2006-06-23 Richard Guenther <rguenther@suse.de>
10314 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10315 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10316 alignment requests instead. Add verification code.
10317 Add struct tree_function_decl and struct tree_binfo size to
10318 extra_order_size_table. Add missing element to size_lookup
10321 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
10323 PR middle-end/28151
10324 * fold-const.c (const_binop): Be prepared for self returning zero.
10325 Simplify code handling complex values.
10327 2006-06-24 Olivier Hainque <hainque@adacore.com>
10329 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
10330 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
10333 2006-06-24 Olivier Hainque <hainque@adacore.com>
10335 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
10336 ARRAY_REF, so have the callback called for the low bound expression.
10338 2006-06-23 Janis Johnson <janis187@us.ibm.com>
10340 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
10341 * c-typeck.c (c_common_type): Disallow operations on decimal float
10342 types and other float types.
10343 * convert.c (convert_to_real): Don't ignore conversions involving
10344 decimal float types.
10346 2006-06-23 Olivier Hainque <hainque@adacore.com>
10348 * tree.c (max_int_size_in_bytes): New function, inspired from
10349 code in function.c:assign_temp.
10350 * tree.h (max_int_size_in_bytes): Declare.
10351 * function.c (assign_temp): Use it.
10352 * gimplify.c (create_tmp_var): Relax the assertions on the type
10353 properties, not mandating constant size any more.
10354 (force_constant_size): New static function.
10355 (gimple_add_tmp_var): Use it, forcing variable size to a
10356 constant upper bound if it is not constant on entry.
10358 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
10361 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
10362 for initialization and setting of one_only flag to ...
10363 (i386_pe_encode_section_info): ...here.
10364 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
10365 Recheck that the symbol has not been defined.
10367 2006-06-23 Richard Guenther <rguenther@suse.de>
10369 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10370 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10371 alignment requests instead. Add verification code.
10372 Add struct tree_function_decl and struct tree_binfo size to
10373 extra_order_size_table. Add missing element to size_lookup
10376 2006-06-22 Roger Sayle <roger@eyesopen.com>
10377 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10379 PR middle-end/28131
10380 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
10381 call to lang_hooks.types.type_for_mode returned NULL_TREE.
10383 2006-06-23 Ben Elliston <bje@au.ibm.com>
10385 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
10386 negate dn -- manipulate it directly.
10388 2006-06-22 Roger Sayle <roger@eyesopen.com>
10389 Steven Bosscher <stevenb.gcc@gmail.com>
10392 * reload1.c (gen_reload): Call mark_jump_label on the new insns
10393 generated by gen_move_insn to add REG_LABEL notes if necessary.
10395 2006-06-22 Bob Wilson <bob.wilson@acm.org>
10397 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
10398 (leaf_entry): Remove use of MIN_ESA.
10400 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
10402 PR rtl-optimization/28121
10403 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
10406 2006-06-21 DJ Delorie <dj@redhat.com>
10408 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10410 (mulhisi3_r): Likewise.
10412 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10414 PR middle-end/28034
10415 * coverage.c (coverage_counter_alloc): Leave the index type
10417 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10420 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10422 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10423 section from the "Options for Code Generation Conventions".
10425 2006-06-21 Richard Henderson <rth@redhat.com>
10429 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10431 (global_symbolic_operand): Allow weak symbols, even if local_p.
10433 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10435 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10436 (find_interesting_uses_address): Punt if above function returns true.
10438 2006-06-21 Richard Guenther <rguenther@suse.de>
10440 * configure: Regenerated.
10442 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10444 * config/mips/mips.c (function_arg): Where one part of a
10445 complex argument is in registers and the other part in the stack,
10446 return a REG not a PARALLEL.
10448 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10450 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10451 when cross-compiling. Do not substitute libstdcxx_incdir.
10452 * configure: Regenerated.
10454 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10456 * varasm.c (mergeable_string_section): Check for embedded NULs and
10457 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10458 rather than TREE_STRING_LENGTH bytes.
10460 2006-06-21 Richard Guenther <rguenther@suse.de>
10462 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10463 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10466 2006-06-21 Richrad Guenther <rguenther@suse.de>
10468 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10469 Limit iteration over the dominators.
10471 2006-06-20 Roger Sayle <roger@eyesopen.com>
10473 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10474 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10476 2006-06-20 Richard Guenther <rguenther@suse.de>
10477 Michael Matz <matz@suse.de>
10479 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10481 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10482 * et-forest.h (et_free_pools): Prototype new function.
10483 * et-forest.c (et_free_tree_force): Free parent occurrence.
10484 (et_free_pools): New function.
10485 * dominance.c (free_dominance_info): Free et-forest alloc
10488 2006-06-20 Roger Sayle <roger@eyesopen.com>
10490 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10491 integer modes, attempt to directly construct an integer constant.
10493 * fold-const.c (native_encode_vector): Determine the size of each
10494 element from the vector type instead of the first vector element.
10496 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10497 if all of its elements/components are constant.
10498 (build_constructor_from_list): Likewise.
10500 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10502 PR tree-optimization/27331
10503 * tree-data-ref.c (free_data_ref): New function.
10504 (create_data_ref): Fail if the data reference has unknown access
10506 (free_data_refs): Use free_data_ref.
10508 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10510 PR middle-end/28075
10511 * tree-inline.c (setup_one_parameter): Strip useless
10512 type conversion before adding it to the IR.
10513 (declare_return_variable): Likewise.
10515 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10518 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10520 2006-06-19 Mike Stump <mrs@apple.com>
10522 * tree.c (variably_modified_type_p): VM arguments don't make the
10525 2006-06-19 Richard Guenther <rguenther@suse.de>
10527 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10528 type conversions after folding.
10530 2006-06-19 Richard Guenther <rguenther@suse.de>
10532 * ggc-page.c (extra_order_size_tab): Add entries with
10533 size of struct function and basic_block.
10534 (size_lookup): Extend to cover sizes up to 511.
10535 (ggc_alloc_stat): Adjust user.
10536 (ggc_pch_count_object): Likewise.
10537 (ggc_pch_alloc_object): Likewise.
10538 (ggc_pch_write_object): Likewise.
10540 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10542 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10543 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10546 2006-06-19 Denis Chertykov <denisc@overta.ru>
10548 * config/avr/libgcc.S : Correct my wrong previous commit.
10550 2006-06-19 Roger Sayle <roger@eyesopen.com>
10553 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10554 have stripped a SUBREG from the shift count, so we may need to
10555 convert_to_mode back to the type's mode before calling make_tree.
10556 Use new_amount instead of amount to avoid expanding a tree twice.
10558 2006-06-19 Richard Guenther <rguenther@suse.de>
10560 PR middle-end/28045
10561 * fold-const.c (operand_equal_p): Check if the argument types
10562 have the same precision before stripping NOPs.
10564 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10566 Fix PR tree-optimization/27341
10567 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10569 * tree-complex.c (pass_lower_complex): Update SMT usage.
10571 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10573 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10574 Add a new alternative to the constraint strings. Add move of
10575 operand 1 to 3 to the splitter definition.
10576 ("doloop_si_long"): Second contraint alternative removed.
10578 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10580 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10581 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10583 (AVR_HAVE_MOVW) Define.
10584 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10585 (ASM_SPEC): Add avr25.
10586 (LINK_SPEC): Add avr25.
10587 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10588 (base_arch_s): Add new member 'have_movw_lpmx'.
10589 (avr_arch_types): Init 'have_movw_lpmx'.
10590 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10591 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10592 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10593 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10594 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10596 (avr_file_start): Do not output '.arh' derective.
10597 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10598 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10599 * config/avr/avr.md (mcu_enhanced): Delete.
10600 (mcu_have_movw): Define.
10601 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10602 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10603 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10604 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10605 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10606 attiny861 and at86rf401 devices.
10608 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10610 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10613 2006-06-17 Karl Berry <karl@gnu.org>
10615 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10616 doc/gccint.texi, doc/install.texi (@dircategory): Use
10617 "Software development" instead of "Programming", following
10618 the Free Software Directory.
10620 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
10622 * config/i386/i386.c (legitimate_tls_address)
10623 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
10624 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
10625 (*tls_dynamic_gnu2_combine_64): Likewise.
10627 2006-06-16 Richard Guenther <rguenther@suse.de>
10629 PR middle-end/27116
10630 * fold-const.c (negate_expr_p): Do not introduce undefined
10631 overflow in negating INTEGER_CSTs.
10632 (fold_negate_expr): Rename from negate_expr. Revert last
10633 change for folding BIT_NOT_EXPR. Change semantics to
10634 return NULL_TREE for non-simplified negations. Do not
10635 strip type conversions and unify type handling.
10636 (negate_expr): New function, wrap around fold_negate_expr
10637 but ensure building a tree always. Strip type conversions
10638 here, fold to result type.
10639 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
10641 2006-06-16 Roger Sayle <roger@eyesopen.com>
10643 PR middle-end/27802
10644 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
10645 that (would) return their results in stack registers.
10647 2006-06-16 Michael Matz <matz@suse.de>
10648 Richard Guenther <rguenther@suse.de>
10650 * fold-const.c (fold_truthop): Only return new tree node if
10651 we canonicalized something.
10653 2006-06-16 Richard Guenther <rguenther@suse.de>
10655 * function.h (enum function_frequency): Move declaration
10656 out of struct function.
10657 (struct function): Move bool fields and the enum to the bitfield
10658 section. Reorder elements to avoid padding. Remove unused
10659 fields left over from the RTL inliner removal.
10660 * function.c (free_after_compilation): Do not zero removed fields.
10661 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
10662 (ipa-type-escape.o): Likewise.
10664 2006-06-16 Richard Guenther <rguenther@suse.de>
10666 * cgraph.h (struct cgraph_local_info): Turn bool elements
10668 (struct cgraph_node): Likewise.
10669 (struct cgraph_varpool_node): Likewise.
10671 2006-06-15 Richard Guenther <rguenther@suse.de>
10673 * fold-const.c (fold_truth_not_expr): Rename from
10674 invert_truthvalue. Give it fold_* semantics to avoid
10675 generating garbage.
10676 (invert_truthvalue): New function. Wrapper around
10677 fold_truth_not_expr.
10678 (optimize_minmax_comparison): Avoid creating garbage.
10679 (fold_unary): Use fold_truth_not_expr for folding
10681 (fold_ternary): Replace uses of invert_truthvalue with
10682 fold_truth_not_expr where applicable.
10683 * tree.h (fold_truth_not_expr): Prototype.
10685 2006-06-16 Richard Guenther <rguenther@suse.de>
10687 PR tree-optimization/27781
10688 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
10689 * ipa-pure-const.c (target.h): Include.
10690 (analyze_function): Do not analyze functions that do not
10693 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
10695 PR middle-end/27793
10696 * tree-dfa.c (referenced_vars_dup_list): Remove.
10697 (find_referenced_vars): Remove assert.
10698 (referenced_var_check_and_insert): Replace dup list with assert.
10699 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
10700 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
10702 2006-06-15 Richard Guenther <rguenther@suse.de>
10704 * tree-ssa-structalias.c (alias_get_name): Avoid creating
10705 extra unused identifiers if not dumping.
10706 (create_variable_info_for): Likewise.
10708 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
10710 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
10711 (derive_constant_upper_bound): Derive more precise upper bound in
10712 common cases. Return type changed to double_int.
10713 (record_estimate): Reflect the changed return type of
10714 derive_constant_upper_bound.
10715 * double-int.c (double_int_zext, double_int_sext): Fix.
10717 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
10719 * configure.ac (CFLAGS): Get them from the toplevel or from the
10720 configure invocation.
10721 * configure: Regenerate.
10722 * Makefile.in (CFLAGS): Substitute value provided by configure.
10724 2006-06-14 Mark Mitchell <mark@codesourcery.com>
10727 * c-common.h (c_finish_omp_atomic): Adjust declaration.
10728 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
10729 rather than calling add_stmt on it.
10730 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
10732 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
10734 PR middle-end/27959
10735 * reload1.c (reload): Remove registers returned by update_eliminables
10736 from used_spill_regs.
10738 2006-06-13 DJ Delorie <dj@redhat.com>
10740 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
10742 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
10744 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
10745 html__strip_dir, html__mkdir_p. Enhance install-html target.
10746 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
10747 * configure: Regenerate.
10749 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
10751 * fold-const.c (fold_cond_expr_with_comparison): Check for
10752 Objective-C++ as language in deciding COND_EXPR transformation.
10754 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
10757 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
10758 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
10759 * config/sh/lib1funcs.h (SL, SL1): Define.
10760 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
10761 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
10762 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
10763 (OBJS_Os_4_200): New variable.
10764 ($(T)libgcc-Os-4-200.a): Use it.
10765 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
10766 when dividing 1 and/or by 0.
10768 2006-06-13 Roger Sayle <roger@eyesopen.com>
10770 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
10771 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
10772 * configure: Regenerate.
10774 2006-06-13 Jie Zhang <jie.zhang@analog.com>
10776 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
10777 for real instruction.
10779 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10781 PR middle-end/26807
10782 * haifa-sched.c (check_cfg): Handle special case.
10784 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
10787 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
10788 Add debug_info parameter. Chain the vars to the BLOCK instead
10789 of the BIND_EXPR if debug info are requested for them.
10790 (pop_gimplify_context): Adjust for above change.
10791 (gimple_add_tmp_var): Likewise.
10792 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
10793 Add bool parameter.
10794 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
10795 (convert_local_reference): Likewise.
10796 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
10797 (finalize_nesting_tree_1): Request that debug info be emitted
10798 for debug_var_chain.
10800 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10802 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
10803 for PR target/27863.
10805 2006-06-13 Richard Guenther <rguenther@suse.de>
10807 PR middle-end/27536
10808 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
10810 2006-06-13 Richard Guenther <rguenther@suse.de>
10812 PR tree-optimization/27830
10813 * tree-inline.c (copy_body_r): For copying the operand
10814 of an ADDR_EXPR make sure to fold &* afterwards.
10816 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
10818 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
10819 lvalues in the fb_none case with side-effects.
10821 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
10823 * tree-flow.h: Remove the prototype for
10824 compute_phi_arg_on_exit.
10825 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
10826 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
10829 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
10831 * builtins.c (expand_builtin_return_addr): Only use
10832 frame_pointer_rtx when count == 0 and we are expanding
10833 __builtin_return_address.
10835 2006-06-12 Fred Fish <fnf@specifix.com>
10837 * config/mips/mips.c (mips_file_start): Create special section
10838 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
10840 2006-06-11 Eric Christopher <echristo@apple.com>
10842 PR middle-end/27948
10843 * stor-layout.c (place_field): Remove check for
10844 remaining_in_alignment when aligning at the end of a run.
10846 2006-06-11 Eric Christopher <echristo@apple.com>
10849 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
10852 2006-06-11 Roger Sayle <roger@eyesopen.com>
10855 Revert incorrect fix for PR target/27158
10856 2006-05-08 Roger Sayle <roger@eyesopen.com>
10857 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10858 of a reg_equiv_constant if the result is a legitimate constant.
10860 2006-06-11 Roger Sayle <roger@eyesopen.com>
10863 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
10864 extract a CONST_VECTOR element and interpret it as an integer.
10865 (vspltis_constant): Use const_vector_elt_as_int instead of the
10866 macro CONST_VECTOR_ELT in order to handle FP vector modes.
10867 * config/rs6000/predicates.md (easy_vector_const): Consider
10868 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
10870 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
10872 PR middle-end/27942
10873 * stor-layout.c (update_alignment_for_field): Don't add extra
10874 alignment for packed non-bitfield fields in ms_bitfield_layout_p
10877 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
10879 * config/mips/t-rtems: Add EL/EB multilib variants.
10881 2006-06-09 Mike Stump <mrs@apple.com>
10883 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
10885 2006-06-09 David Daney <ddaney@avtrex.com>
10887 * doc/install.texi: Add binutils version recommendation for mips-*-*.
10889 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
10891 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
10893 2006-06-09 Richard Guenther <rguenther@suse.de>
10895 PR tree-optimization/26998
10896 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
10897 of signed types, only TYPE_MIN_VALUE is special, but for both,
10898 minimum and maximum value. Likewise VR_ANTI_RANGE is special
10899 in this case, as is -fwrapv.
10901 2006-06-08 Mike Stump <mrs@apple.com>
10904 * config/darwin.c (darwin_asm_output_anchor): Disable
10905 -fsection-anchors on darwin for now.
10906 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
10907 * rs6000/rs6000.c (optimization_options): Likewise.
10909 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10912 * config/i386/i386.c (classify_argument): Skip fields with invalid
10915 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
10917 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
10918 (cse_insn): Likewise for the stack_pointer_rtx.
10920 2006-06-08 Roger Sayle <roger@eyesopen.com>
10922 * tree-ssa-dom.c (record_conditions): Only record "unordered"
10923 conditions from floating point comparisons.
10925 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
10927 PR middle-end/27733
10928 * expmed.c (struct alg_hash_entry): Fix type of field T
10929 to match synth_mult argument.
10930 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
10932 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10935 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
10938 2006-06-08 Richard Guenther <rguenther@suse.de>
10940 PR middle-end/27116
10941 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
10942 only, if overflow is defined and not trapping.
10943 (negate_expr): Likewise.
10945 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10947 PR tree-optimization/27872
10948 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
10949 flag on the new exit edge of the unrolled loop.
10951 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10953 PR rtl-optimization/26449
10954 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
10956 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
10958 PR middle-end/27793
10959 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
10960 referenced_variables with matching DECL_UID's.
10961 (find_referenced_vars): Make sure duplicate list is empty to start.
10962 (referenced_var_p): Remove.
10963 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
10964 Check if var is in the list, and add if needed. Update the duplicate
10965 list if a different var is in the list with the same DECL_UID.
10966 (add_referenced_var): Call routine to check and insert.
10967 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
10968 * tree-flow.h (referenced_vars_dup_list): External declaration.
10970 2006-06-07 Fred Fish <fnf@specifix.com>
10972 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
10975 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
10978 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
10979 the imaginary and real parts of a clobbered register.
10980 Emit insn to set the imaginary part.
10982 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
10984 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
10985 in lieu of unwind-dw2-fde.c.
10987 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10989 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
10991 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
10994 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
10995 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
10996 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
10997 V4SImode temporaries and operations instead.
10999 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
11001 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
11004 2006-06-06 Mike Stump <mrs@apple.com>
11006 * Makefile.in: Rename to htmldir to build_htmldir to avoid
11007 installing during build.
11009 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11011 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
11013 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11014 * config/ia64/ia64.c (params.h): New header.
11015 (ia64_optimization_options): New function to adjust parameters.
11016 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
11017 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
11018 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
11020 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
11022 * stor-layout.c (debug_rli): Fix a typo in a debug message.
11024 2006-06-05 Steve Ellcey <sje@cup.hp.com>
11027 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
11029 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
11030 Victor Kaplansky <victork@il.ibm.com>
11032 PR tree-optimization/26360
11033 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
11036 2006-06-04 Roger Sayle <roger@eyesopen.com>
11037 Andrew Pinski <pinskia@physics.uc.edu>
11039 PR middle-end/27382
11040 * c-common.c (c_common_truthvalue_conversion): Explicitly check
11041 for LABEL_DECL before calling DECL_WEAK.
11044 * c-typeck.c (build_binary_op): Likewise, explicitly check for
11045 LABEL_DECL and PARM_DECL.
11047 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
11051 * c-decl.c (grokdeclarator): Disallow variably modified types at
11052 file scope. Avoid marking shared array type of constant size as
11055 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11058 * c-common.c (fold_offsetof_1): Handle static members.
11060 2006-06-04 Eric Christopher <echristo@apple.com>
11062 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
11063 (debug_rli): Output value for remaining_in_alignment.
11064 (update_alignment_for_field): Unconditionalize
11065 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
11066 extra alignment code.
11067 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
11068 ms_bitfield_layout_p code. Rewrite handling of structure fields.
11069 * tree.h (record_layout_info_s): Remove prev_packed.
11070 * doc/extend.texi (ms_struct): Add documentation of format.
11072 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
11074 * tree.h: Declare folding_initializer.
11075 * builtins.c (fold_builtin_constant_p): Give definite answer
11076 if folding inside an initializer.
11077 * fold-const.c: Define folding_initializer.
11078 (START_FOLD_INIT): Save and then set folding_initializer.
11079 (END_FOLD_INIT): Restore folding_initializer.
11081 2006-06-04 Richard Guenther <rguenther@suse.de>
11083 PR tree-optimization/27039
11084 * fold-const.c (fold_comparison): Handle pointer comparison
11085 again for all comparison codes. Compare offsets in signed
11087 (fold_binary): Move code from here.
11089 2006-06-03 Roger Sayle <roger@eyesopen.com>
11092 * config/i386/i386.c (construct_container): Split static issued_error
11093 flag into issued_sse_arg_error, issued_sse_ret_error and
11094 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
11095 requires the use of x87 registers and the user explicitly
11096 specified the -mno-80387 command line option.
11098 2006-06-02 Geoffrey Keating <geoffk@apple.com>
11100 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
11101 HAVE_DECL_SIGALTSTACK.
11103 (segv_handler): Use MC_FLD.
11104 * configure.ac: Check for a sigaltstack declaration.
11105 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
11106 * configure: Regenerate.
11107 * config.in: Regenerate.
11109 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
11112 * Makefile.in (stmp-fixinc): Fix typo.
11114 2006-06-02 Roger Sayle <roger@eyesopen.com>
11116 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
11117 are type correct. Clean-up.
11118 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
11119 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
11121 2006-06-01 DJ Delorie <dj@redhat.com>
11123 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11124 shift, as we've disabled the "switch" insn that needs it.
11126 2006-06-01 Per Bothner <bothner@bothner.com>
11128 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
11129 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
11130 * c-ppoutput.c (cb_define): Don't increment line 0.
11132 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
11134 * doc/invoke.texi: Add cpu_type power6.
11135 * config.gcc: Add cpu_type power6.
11136 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11137 to power5+ with Altivec.
11138 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11139 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11141 2006-05-30 Anatoly Sokolov <aesok@post.ru>
11143 * config/avr/avr.h (SET_ASM_OP): Define.
11145 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
11147 * config/bfin/bfin.c: Fix comment typos.
11149 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11152 * doc/install.texi: Document --enable-bootstrap and
11153 --disable-bootstrap.
11155 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11157 * doc/install.texi: Document that InfoZIP can replace jar.
11159 2006-05-31 Roger Sayle <roger@eyesopen.com>
11161 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11162 isn't available, directly generate the simpler x87 patterns without
11163 the (use (const_int 0)).
11164 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11165 implementation isn't available.
11166 (*negdf2_1): Likewise.
11167 (*negxf2_1): XF mode negation is always done using the x87.
11168 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11170 2006-05-31 Roger Sayle <roger@eyesopen.com>
11172 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
11173 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
11175 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11177 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11179 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11180 * config/bfin/bfin.c (basic-block.h): Include.
11181 (struct machine_function): New.
11182 (bfin_init_machine_status): New.
11183 (override_options): Initialize init_machine_status.
11184 (bfin_hardware_loop): New.
11185 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11186 (DEF_VEC_P (loop_info)): New.
11187 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11188 (struct loop_info): New.
11189 (loop_info): New typedef.
11190 (struct loop_work): New.
11191 (loop_work): New typedef.
11192 (DEF_VEC_O (loop_work)): New.
11193 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11194 (bfin_dump_loops): New.
11195 (bfin_bb_in_loop): New.
11196 (bfin_scan_loop): New.
11197 (bfin_optimize_loop): New.
11198 (bfin_reorg_loops): New.
11199 (bfin_reorg): Use bfin_reorg_loops.
11200 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11202 (I_REGNO_P): Simplify.
11203 (DP_REGNO_P, DPREG_P): New macros.
11204 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11205 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11206 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11207 Add LT_REGS, LC_REGS, LB_REGS.
11208 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11210 (REGNO_REG_CLASS): Deal with loop registers.
11211 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11213 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11214 New constants for loop registers.
11215 (UNSPEC_LSETUP_END): New.
11216 (seq_insns): New define_attr. Set it for appropriate insns.
11217 (movsi_insn): Add alternatives for move from/to
11218 loop count registers.
11219 (doloop_end): New define_expand.
11220 (loop_end): New define_insn.
11221 (define_split for bad doloop_end): New.
11222 (lsetup_with_autoinit): New define_insn.
11223 (lsetup_without_autoinit): New define_insn.
11224 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11225 * config/bfin/predicates.md (lc_register_operand): New.
11226 (lt_register_operand): New.
11227 (lb_register_operand): New.
11228 (nondp_register_operand): New.
11229 (nondp_reg_or_memory_operand): New.
11230 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11232 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11234 * config/bfin/bfin.c (bfin_delegitimize_address): New.
11235 (TARGET_DELEGITIMIZE_ADDRESS): Define.
11237 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
11239 * Makefile.in (CATALOGS): Add po/ prefix.
11240 * configure: Regenerated.
11242 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
11245 * arm.c (arm_print_operand case 'S'): Validate that the operand is
11246 a shift operand before calling shift_op. Avoid redundant call of
11249 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
11250 DJ Delorie <dj@redhat.com>
11252 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11253 we're inserting is a singlt-bit constant.
11255 2006-05-30 Roger Sayle <roger@eyesopen.com>
11257 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11258 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
11260 2006-05-30 Roger Sayle <roger@eyesopen.com>
11262 PR tree-optimization/23452
11263 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
11264 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11265 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
11266 complex values and with -ffast-math for FP complex values.
11268 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
11270 * c-common.h: Remove the prototype for yyparse.
11271 * rtl.h: Remove the prototype for init_loop.
11273 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
11275 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11278 2006-05-30 Roger Sayle <roger@eyesopen.com>
11280 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11282 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
11283 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
11285 2006-05-30 Dirk Mueller <dmueller@suse.de>
11288 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
11289 for CONSTANT_CLASS_P expresisons.
11291 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11294 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
11296 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
11298 PR tree-optimization/27779
11299 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
11300 initial_condition instead of CHREC_LEFT.
11302 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
11304 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
11305 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
11306 Make prototypes ISO C90.
11308 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
11309 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11311 * see.c (see_analyze_one_def): Correct check.
11312 (see_get_extension_data): Check if extension is parallel.
11313 (see_get_extension_reg): Likewise.
11315 2006-05-30 Uros Bizjak <uros@kss-loka.si>
11318 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
11319 into register for (code == GTU).
11321 2006-05-29 Roger Sayle <roger@eyesopen.com>
11323 PR tree-optimization/24964
11324 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11325 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
11326 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
11327 abs(x)*abs(x) as x*x for scalar floating point modes.
11329 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
11331 PR middle-end/27745
11332 * lambda-code.c (perfect_nestify): Don't copy statements
11333 in the inner loop: move them to the inner loop header.
11335 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11338 * c-tree.texi: Document OpenMP directives and clauses.
11340 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11342 * varasm.c (globalize_decl): Fix indentation.
11344 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11347 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
11348 pass_fre, pass_store_ccp, pass_copy_prop,
11349 pass_store_copy_prop, pass_merge_phi, pass_nrv,
11350 pass_return_slot, pass_object_size, pass_lim,
11351 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
11352 pass_loop_prefetch and pass_stdarg.
11354 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
11356 * config/bfin/bfin.opt (mfdpic): New option.
11357 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
11358 (EXTRA_MULTILIB_PARTS): Likewise.
11359 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
11360 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
11362 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
11363 (CRT_CALL_STATIC_FUNCTION): New.
11364 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
11366 (CRT_CALL_STATIC_FUNCTION): New.
11367 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
11369 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
11370 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
11371 (initialize_trampoline): Changed to handle FD-PIC code generation.
11372 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
11373 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
11374 (override_options): Disallow -mid-shared-library -mfdpic combination.
11375 Can't do unaligned ops if FD-PIC.
11376 Turn off flag_pic if trying to generate non-id-shared-library
11377 non-fdpic code, since it's not supported.
11378 (bfin_assemble_integer): New function.
11379 (TARGET_ASM_INTEGER): Define.
11380 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
11382 * config/bfin/crtn.s: Restore them.
11383 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
11385 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
11386 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
11387 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
11388 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
11389 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
11391 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
11392 FDPIC_REGS and FDPIC_FPTR_REGS.
11393 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
11394 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
11395 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
11396 (load_funcdescsi): New pattern.
11397 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
11398 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
11399 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
11401 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11403 * gcse.c, rtlanal.c: Remove obsolete comments associated with
11406 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
11408 * tree-flow.h: Remove the prototype for add_type_alias.
11409 * tree-ssa-alias.c (add_type_alias): Remove.
11411 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
11413 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11414 config/fr30/fr30.md, config/i386/i386-interix.h,
11415 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11416 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11417 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11418 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11419 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11420 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11421 Follow spelling conventions.
11422 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11423 Follow spelling conventions.
11425 2006-05-27 Richard Guenther <rguenther@suse.de>
11427 PR middle-end/27773
11428 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11429 to produce a constant of value 1 of generic type.
11431 2006-05-27 Dirk Mueller <dmueller@suse.de>
11433 * cgraphunit.c (decide_is_function_needed): Fix wrong
11436 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11438 PR rtl-optimization/27661
11439 * reload.c (find_reloads): When reloading a VOIDmode constant
11440 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11441 use Pmode as mode of the reload register.
11443 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11445 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11446 is enabled at -O and above.
11448 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11451 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11454 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11457 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11458 for anonymous variables explicitly declared by front ends.
11460 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11462 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11463 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11464 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11465 ref-all pointers, run a finalization pass for them.
11466 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11467 (finalize_ref_all_pointers): New function.
11468 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11469 regular pointer type to a ref-all pointer type.
11470 (get_tmt_for): Return the special memory tag for ref-all pointers.
11472 2006-05-25 Richard Guenther <rguenther@suse.de>
11474 PR middle-end/27743
11475 * fold-const.c (fold_binary): Do not look at the stripped
11476 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11478 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11480 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11481 for LT and GT if the computed range is effectively empty.
11483 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11486 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11487 mips_quad_format formats instead of ieee_single_format,
11488 ieee_double_format and ieee_quad_format formats, respectively.
11490 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11492 PR tree-optimization/27639
11493 PR tree-optimization/26719
11494 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11495 call to scev_probably_wraps_p.
11496 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11497 used_in_pointer_arithmetic_p, convert_step): Removed.
11498 (nowrap_type_p): New function.
11499 (scev_probably_wraps_p): Rewritten.
11500 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11501 chrec_convert if chrec_convert_aggressive might have been used.
11502 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11503 scev_direction): New functions.
11504 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11505 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11506 instead of convert_step.
11507 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11508 (convert_step): Declaration removed.
11509 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11511 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11513 * df-core.c: Added to header comments.
11514 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11515 df_ur_bb_info, df_urec_bb_info): Added comments.
11516 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11517 urec, ri problems): Fixed header comments.
11518 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11519 code from df_rd_transfer_function.
11521 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11523 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11524 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11525 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11527 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11529 * expr.c (undefined_operand_subword_p): New.
11530 (emit_move_multi_word): Do not generate move from undefined bits
11531 of a paradoxical subreg.
11533 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11535 PR rtl-optimization/27736
11536 * combine.c (replaced_rhs_value): New variable.
11537 (combine_instructions): Set it.
11538 (distribute_notes): When distributing a note in replaced_rhs_insn,
11539 check whether the value was used in replaced_rhs_value.
11541 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11544 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11545 add_referenced_var instead of add_referenced_tmp_var.
11546 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11547 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11548 add_referenced_var.
11549 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11550 tree_optimize_tail_calls_1): Use add_referenced_var.
11551 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11552 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11553 Use add_referenced_var.
11554 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11555 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11556 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11557 Use add_referenced_var.
11558 * tree-dfa.c (struct walk_state): Remove.
11559 (find_referenced_vars): Remove walk state and vars_found hash table.
11560 (make_rename_temp): Use add_referenced_var.
11561 (find_vars_r): Pass less parameters to add_referenced_var.
11562 (referenced_var_p): New. Is var in referenced_var hash table.
11563 (referenced_var_insert): Assert var isn't already in hash table.
11564 (add_referenced_var): Don't need walk_state parameter. Add var if it
11565 isn't already in the hash table.
11566 (add_referenced_tmp_var): Remove.
11567 (find_new_referenced_vars_1): Use add_referenced_var.
11568 * tree-ssa-pre.c (create_expression_by_pieces,
11569 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11570 Use add_referenced_var.
11571 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11572 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11573 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11574 add_referenced_var.
11575 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11576 vect_create_data_ref_ptr, vect_create_destination_var,
11577 vect_init_vector, vect_build_loop_niters,
11578 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11579 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11580 Use add_referenced_var.
11581 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11582 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11583 (add_referenced_var): Add prototype.
11584 * tree-ssa-structalias.c (get_constraint_for,
11585 intra_create_variable_infos): Use add_referenced_var.
11587 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11589 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11590 big-endian paradoxical subregs.
11591 * var-tracking.c (struct micro_operation_def): Document that,
11592 for modify micro operations, insn is the subsequent instruction.
11593 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11594 (var_reg_set, var_mem_set): ... new functions.
11595 (add_stores): Record subsequent insn.
11596 (compute_bb_dataflow): Use new functions for MO_USE.
11597 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11598 notes after the insn, and modify notes before the insn known
11599 to be the subsequent one.
11600 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11602 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11605 * config/i386/i386.c (ix86_expand_builtin): Use
11606 gen_sse3_monitor64 for TARGET_64BIT.
11608 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11610 PR rtl-optimization/26375
11611 PR rtl-optimization/26855
11612 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11614 (df_ru_bb_local_compute): Reversed statements and removed bogus
11615 comment explaining why they should be in wrong order.
11616 (df_ru_dump, df_rd_dump): Enhanced debug info.
11617 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11619 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11620 reaching uses and fixed space problem.
11622 2006-05-23 Jan Hubicka <jh@suse.cz>
11624 * cgraphunit.c (decide_is_function_needed): Also nested functions
11625 and functions declared inline can be optimized out at -O0.
11627 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
11629 * doc/install.texi (Configuration): Remove reference to CrossGCC
11630 FAQ which was gone.
11633 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11636 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
11637 ix86_compare_emitted is non-NULL.
11639 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11642 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11645 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11647 PR rtl-optimization/25514
11648 * combine.c (replaced_rhs_insn): New variable.
11649 (combine_instructions): Set replaced_rhs_insn when trying to replace
11650 a SET_SRC with a REG_EQUAL note.
11651 (distribute_notes): Use replaced_rhs_insn when determining the live
11652 range of a REG_DEAD register.
11654 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
11655 Anatoly Sokolov <aesok@post.ru>
11657 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
11658 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
11659 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
11660 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
11661 atmega3290, atmega649, atmega6490, atmega406, atmega640,
11662 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
11663 at90usb647, at90usb1286 and at90usb1287 devices.
11664 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11665 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11667 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11669 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
11671 2006-05-22 Richard Guenther <rguenther@suse.de>
11674 2006-01-31 Richard Guenther <rguenther@suse.de>
11675 Paolo Bonzini <bonzini@gnu.org>
11677 * doc/install.texi (--disable-libgcc-math): Document.
11679 2006-05-22 Richard Guenther <rguenther@suse.de>
11682 2006-01-31 Richard Guenther <rguenther@suse.de>
11684 * doc/invoke.texi (-msselibm): Document.
11685 * target.h (expand_library_builtin): New target hook.
11686 * builtins.c (expand_builtin): Use expand_library_builtin.
11687 (default_expand_library_builtin): New function.
11688 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11689 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11690 (link_gcc_math_spec): Declare.
11691 (static_specs): Add link_gcc_math_spec.
11692 * expr.h (default_expand_library_builtin): Declare.
11693 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11694 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11695 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11696 * config/i386/i386.opt (msselibm): New target option.
11697 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11698 (ix86_init_sse_abi_builtins): New function.
11699 (ix86_expand_library_builtin): Likewise.
11700 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11701 (override_options): Handle error conditions wrt -msselibm.
11702 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11703 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11704 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11707 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11710 * c-common.c (self_promoting_args_p): Skip erroneous args.
11713 * c-decl.c (finish_struct): Skip erroneous fields.
11715 2006-05-22 Nick Clifton <nickc@redhat.com>
11717 * config/cris/cris.opt (march): Remove VarExists attribute.
11718 (max-stackframe=): Likewise.
11720 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11722 * doc/rtl.texi: Fix a typo.
11723 * see.c: Fix comment typos.
11725 * tree-ssa-structalias.h (alias_info): Remove num_references.
11727 2006-05-21 Mike Stump <mrs@apple.com>
11729 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
11731 (darwin_pragma_options): Use BAD instead.
11732 (darwin_pragma_unused): Likewise.
11733 (darwin_pragma_ms_struct): Likewise.
11735 2006-05-21 David Edelsohn <edelsohn@gnu.org>
11737 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
11739 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
11741 PR rtl-optimization/27671
11742 * simplify-rtx.c (simplify_relational_operation_1): Fix
11743 simplifications of (eq/ne (xor x y) y) and
11744 (eq/ne (xor x y) x).
11746 PR tree-optimization/26622.
11747 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
11750 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11752 * tree-cfg.c: Prune whitespace.
11753 (debug_tree_cfg): Point to correct header containing the
11756 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11758 PR middle-end/25776
11759 * cgraphunit.c (verify_cgraph_node): Typo in error message.
11761 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
11763 PR middle-end/25776
11764 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
11765 or sorry count is non zero.
11767 2006-05-20 Andreas Schwab <schwab@suse.de>
11769 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
11771 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
11772 Kenneth Zadeck <zadeck@naturalbridge.com>
11774 PR rtl-optimization/26855
11776 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
11778 (df_scan_alloc): Added code to properly handle multiword hard
11779 registers and add all_blocks parameter.
11780 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
11781 code to properly handle multiword hard registers.
11782 (df_rescan_blocks): Added code to remove deleted blocks from
11784 (df_ref_create_structure, df_ref_record): Added code to properly
11786 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
11787 and set DF_REF_PARTIAL.
11788 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
11789 (df_uses_record): Added DF_REF_PARTIAL for subreg.
11790 (df_scan_add_problem): Added flags parameter.
11791 (df_ref_create_structure): Changed switching structure.
11792 (df_bb_refs_record): Fixed case where duplicate artificial refs
11793 were created. Changed location of flags.
11794 (df_record_entry_block_defs): Added code to make stack pointer
11795 live in entry block. Refined cases where frame pointer is needed.
11796 Changed location of flags.
11797 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
11798 (df_set_state): Removed function.
11799 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
11800 df_insn_create_insn_record, df_insn_refs_delete,
11801 df_ref_create_structure): Formatting changes.
11802 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
11803 df_delete_basic_block): New function.
11804 (df_init): Changed location of flags.
11805 (df_add_problem): Added flags parameter and the way flags are
11807 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
11808 debug_df_chain): Improved debugging output.
11809 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
11810 (df_refs_chain_dump): Removed df parameter.
11811 (df_iterative_dataflow): Added consistency check.
11812 (df_prune_to_subcfg): Made public.
11813 (df_analyze_problem): Added blocks_to_init parameter and made
11815 (df_ref_record, df_bb_refs_record, df_mark_reg,
11816 df_record_exit_block_uses): Whitespace changes.
11817 (df_dump): Whitespace changes.
11818 * df.h: Some reordering to remove forward references.
11819 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
11820 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
11821 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
11822 (dataflow.flags): New field.
11823 (df.flag): Deleted field.
11824 (df_alloc_function): Added additional bitmap parameter.
11825 (df_dependent_problem_function): New type.
11826 (df_problem.changeable_flags): New field.
11827 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
11828 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
11829 (df_mw_hardreg): New struct.
11830 (DF_INSN_UID_MWS): New macro.
11831 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
11833 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
11834 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
11835 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
11836 (df_set_state): Removed function.
11837 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
11838 * df-problems.c (df_chain_dump): Removed df parameter.
11839 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
11840 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
11842 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
11843 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
11844 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
11845 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
11846 DF_REF_MUST_CLOBBER cases.
11847 (df_ru_bb_local_compute_process_def,
11848 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
11849 df_lr_bb_local_compute, df_ur_bb_local_compute,
11850 df_chain_create_bb): Made subreg aware.
11851 (df_ru_bb_local_compute, df_rd_bb_local_compute,
11852 df_lr_bb_local_compute, df_lr_bb_local_compute,
11853 df_chain_create_bb): Cleanup to use proper macros.
11854 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
11855 code to fixup bitvectors.
11856 (df_ri_alloc): Cleared lifetime.
11857 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
11858 df_create_unused_note): New function.
11859 (df_ri_bb_compute, df_ri_compute): Added code to create/update
11860 REG_DEAD and REG_UNUSED notes as well as register information.
11861 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
11862 df_chains_dump): Fixed crash if problem was never run.
11863 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
11864 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
11865 df_ri_add_problem): Processes flags in uniform manner.
11866 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
11867 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
11868 df_rd_dump, df_urec_free_bb_info): Formatting changes.
11869 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
11870 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
11871 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
11872 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
11873 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
11874 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
11875 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
11876 * see.c (see_initialize_data): Ditto.
11877 * final.c (rest_of_clean_state) Added regstack_completed.
11878 * rtl.h (regstack_completed): Ditto.
11879 * reg-stack.c (regstack_completed): Ditto.
11881 2006-05-19 Mike Stump <mrs@apple.com>
11883 * c-tree.h (default_conversion): Remove.
11884 * c-common.h (default_conversion): Add.
11886 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
11888 * tree-vrp.c (valid_value_p): New function.
11889 (adjust_range_with_scev): Fail if the value of bound is not
11892 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11894 * config/mips/linux-unwind.h: Include <asm/unistd.h>
11895 (mips_fallback_frame_state): Use syscall numbers to determine
11896 the appropriate li instruction for the current ABI. Only use
11897 __NR_sigreturn for o32.
11899 2006-05-19 Nicolas Setton <setton@adacore.com>
11901 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
11902 * langhooks.c (lhd_dwarf_name): New function.
11903 * langhooks-def.h (lhd_dwarf_name): Declare.
11904 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
11905 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
11907 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11909 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
11911 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
11912 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
11913 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
11914 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
11915 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
11916 determine the size of Wtype, etc.
11917 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
11918 (swfloatfuncs): New variable.
11919 (dwfloatfuncs): Likewise.
11920 (lib2funcs): Remove floating-point conversion functions from
11921 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
11922 the set of conversion routines needed. Allow entries to specify
11923 an object name, filename and word size. Update users accordingly.
11924 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
11925 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
11929 2006-02-08 Roger Sayle <roger@eyesopen.com>
11932 * config/fixtfdi.c: New libgcc source file.
11933 * config/fixunstfdi.c: New source file.
11934 * config/floatditf.c: New source file.
11935 * config/floatunditf.c: New souce file.
11936 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11937 files above instead of config/mips/_tilib.c.
11938 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11940 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11942 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
11943 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
11945 2006-05-18 Mike Stump <mrs@apple.com>
11947 Fix up vla, vm and [*] sematics.
11953 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
11954 (c_vla_unspec_p): Add.
11955 (c_vla_type_p): Add.
11956 * c-decl.c (struct c_scope): Add had_vla_unspec.
11957 (build_array_declarator): Add support for [*].
11958 (grokdeclarator): Likewise.
11959 (grokparms): Likewise.
11960 (get_parm_info): Likewise.
11961 * c-objc-common.c (c_vla_unspec_p): Likewise.
11962 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
11963 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
11964 typeof when argument is a variably modified type not inside sizeof or alignof.
11965 (c_parser_direct_declarator_inner): Propagate errors.
11966 (c_parser_sizeof_expression): Add support for [*].
11967 (c_parser_parms_declarator): Initialize had_vla_unspec.
11968 (c_parser_parms_list_declarator): Likewise.
11969 * c-typeck.c (c_vla_type_p): Add.
11970 (composite_type): Add support for vla compositing.
11971 (comptypes_internal): Add support for vla compatibility.
11972 (c_expr_sizeof_expr): Evaluate vla arguments.
11973 * tree.c (variably_modified_type_p): Update comment for [*].
11975 2006-05-18 Michael Matz <matz@suse.de>
11978 * config.host: Make assignments to host_xmake_file cumulative.
11979 * config.host (*-darwin*): Test $host, not $target.
11981 2006-05-12 Stuart Hastings <stuart@apple.com>
11983 * config/i386/i386.opt (-mstackrealign): New flag.
11984 * config/i386/i386.c (force_align_arg_pointer): New attribute.
11985 (ix86_handle_cconv_attribute): Emit error when
11986 force_align_arg_pointer attribute collides with too many regparms.
11987 (ix86_function_regparm): Limit regparms when used with
11988 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
11989 Support stack-realigning prologue in non-main functions. Emit
11990 warning for nested functions under -mstackrealign, emit error for
11991 nested functions with force_align_arg_pointer attribute.
11992 * doc/extend.texi (force_align_arg_pointer): Document it.
11993 * doc/invoke.texi (-mstackrealign): Document it.
11995 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
11997 PR rtl-optimization/27477
11998 * combine.c (try_combine): Don't split a parallel consisting
11999 of two sets into two individual sets if both sets reference
12002 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
12004 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
12005 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
12007 * doc/options.texi (VarExists): Updated.
12009 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12011 * unwind-dw2.c: Add declarations for uw_update_context and
12012 uw_frame_state_for.
12013 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
12014 detected, advance frame state and context once to skip over stub.
12016 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12018 PR middle-end/20256
12019 PR middle-end/26435
12020 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
12021 Call rewrite_into_loop_closed_ssa only when something changed.
12022 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
12023 * lambda-code.c (can_convert_to_perfect_nest): Declared.
12024 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
12025 Test for perfect_nest_p here. Fix formating.
12026 (replace_uses_equiv_to_x_with_y): Fix formating.
12027 (stmt_uses_op): Removed.
12028 (can_convert_to_perfect_nest): Removed loopivs parameter.
12029 Complete the test by checking the scalar dependences.
12030 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
12033 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12036 From Dan Kegel <dank@kegel.com>:
12037 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
12039 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
12041 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
12042 if the element type is variably modified without recursing.
12044 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12046 PR middle-end/27332
12047 * tree-loop-linear.c (try_interchange_loops): Test for
12048 no data dependences.
12050 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
12052 PR tree-optimization/27548
12053 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
12054 range of ssa names that appear on abnormal edges.
12055 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
12056 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
12058 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12060 PR middle-end/27620
12061 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
12063 2006-05-17 Jakub Jelinek <jakub@redhat.com>
12065 PR middle-end/27415
12066 * tree.h (OMP_PARALLEL_COMBINED): Define.
12067 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
12068 (new_omp_context): Add is_combined_parallel argument.
12069 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
12070 new_omp_context caller.
12071 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
12072 Adjust gimplify_scan_omp_clauses callers.
12073 (omp_is_private): Issue errors if iteration variable is firstprivate
12074 or reduction in the current context.
12075 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
12076 on combined parallel workshare constructs.
12078 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12080 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
12081 (gcc-options.o): New rule.
12083 * optc-gen.awk: Protect variables for gcc-options.o with
12084 #ifdef GCC_DRIVER/#endif.
12086 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
12088 Fix PR tree-optimization/27373
12089 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
12090 (forward_propagate_addr_expr): Update call.
12092 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12094 * doc/options.texi: Move the Negative option.
12096 2006-05-16 Richard Guenther <rguenther@suse.de>
12098 PR tree-optimization/22303
12099 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
12101 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
12102 ccp_fold did not simplify the statement.
12104 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12107 * Makefile.in (GCC_OBJS): New.
12108 (OBJS-common): Add opts-common.o.
12109 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
12110 (cpp$(exeext)): Likewise.
12111 (gcc.o): Also depend on opts.h.
12112 (opts-common.o): New.
12114 * common.opt (gcoff): Add Negative(gdwarf-2).
12115 (gdwarf-2): Add Negative(gstabs).
12116 (gstabs): Add Negative(gstabs+).
12117 (gstabs+): Add Negative(gvms).
12118 (gvms): Add Negative(gxcoff).
12119 (gxcoff): Add Negative(gxcoff+).
12120 (gxcoff+): Add Negative(gcoff).
12121 * config/i386/i386.opt (m32): Add Negative(m64).
12122 (m64): Add Negative(m32).
12124 * doc/options.texi: Document the Negative option.
12126 * gcc.c: Include "opts.h".
12127 (main): Call prune_options after expandargv.
12129 * optc-gen.awk: Generate common declarations for all flag
12130 variables in options.c. Output the neg_index field.
12132 * opts.c (find_opt): Moved to ...
12133 * opts-common.c: Here. New file.
12135 * opts.h (cl_option): Add a neg_index field.
12137 (prune_options): Likewise.
12139 2006-05-16 Jakub Jelinek <jakub@redhat.com>
12141 PR middle-end/27573
12142 * omp-low.c (expand_omp_parallel): Don't assert
12143 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12144 instead search for it.
12147 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12150 2006-05-16 Andreas Schwab <schwab@suse.de>
12152 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12155 2006-05-15 Roger Sayle <roger@eyesopen.com>
12158 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
12159 integer constants other than zero are only legitimate on TARGET_64BIT.
12160 <CONST_VECTOR> Only zero vectors are legitimate.
12161 (ix86_cannot_force_const_mem): Integral and vector constants can
12162 always be put in the constant pool.
12164 2006-05-16 DJ Delorie <dj@redhat.com>
12166 * crtstuff.c (__dso_handle): Set section from
12167 TARGET_LBIGCC_SDATA_SECTION if defined.
12168 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12169 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12171 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
12174 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12177 2006-05-16 Ben Elliston <bje@au.ibm.com>
12179 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12181 2006-05-15 Per Bothner <per@bothner.com>
12183 * tree.c: (last_annotated_node): Use source_locus typedef.
12184 This permits bootstrapping with --enable-mapped-location.
12186 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
12188 PR tree-optimization/26830
12189 * tree-into-ssa.c (struct ssa_name_info): Add age field.
12190 (info_for_ssa_name, current_info_for_ssa_name_age,
12191 blocks_to_update): New variables.
12192 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12193 (clear_ssa_name_info, initialize_flags_in_bb,
12194 mark_block_for_update): New functions.
12195 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12196 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12197 prepare_def_site_for): Use mark_block_for_update.
12198 (mark_def_interesting): Assert that the processed block is marked in
12199 blocks_to_update. Do not take blocks argument.
12200 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12202 (rewrite_update_init_block, rewrite_update_stmt): Only process
12203 blocks with statements to rewrite.
12204 (delete_update_ssa): Do not clear SSA_NAME_AUX.
12205 (update_ssa): Initialize and free blocks_to_update. Do not
12206 clear flags on statements. Do not use blocks bitmap.
12207 * tree.h (SSA_NAME_AUX): Removed.
12208 (struct tree_ssa_name): Removed aux field.
12209 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12211 2006-05-15 Richard Guenther <rguenther@suse.de>
12213 PR tree-optimization/27603
12214 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12215 Do computations in original type.
12217 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
12219 * see.c: Code style changes such as redundant paranthesis,
12220 redundant intialization of local variables etc.
12221 (see_main): Declared now as static.
12222 * doc/invoke.texi: Update that -fsee is not enabled by
12225 2006-05-15 Jakub Jelinek <jakub@redhat.com>
12227 * omp-low.c (check_omp_nesting_restrictions): New function.
12228 (scan_omp_1): Call it.
12230 PR middle-end/27416
12231 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12232 construct, return *VAR.
12234 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
12236 PR rtl-optimization/27406
12237 * bt-load.c (migrate_btr_def): Skip the block having abnormal
12240 2006-05-14 Roger Sayle <roger@eyesopen.com>
12242 PR rtl-optimization/27538
12243 * combine.c (expand_compound_operation): Call gen_lowpart
12244 before calling simplify_shift_const.
12246 2006-05-14 Roger Sayle <roger@eyesopen.com>
12248 PR rtl-optimization/22563
12249 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12250 a fixed width bitfield, always force the intermediates into psuedos.
12252 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
12255 * mkconfig.sh: Use operator = instead of == for test.
12257 2006-05-13 Nick Clifton <nickc@redhat.com>
12259 * dwarf2out.c (dbx_reg_number): Check return value from
12260 LEAF_REG_REMAP and only use it if it is valid.
12261 (multiple_reg_loc_descriptor): Likewise.
12263 2006-05-13 Richard Guenther <rguenther@suse.de>
12265 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
12268 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
12270 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
12271 information attached to non-INSNs such as NOTEs.
12272 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
12274 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
12276 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
12278 * config/s390/s390.md: Adjust comment describing On constraint.
12280 2006-05-11 Jan Hubicka <jh@suse.cz>
12282 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12283 to be output at -O0.
12285 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12287 PR middle-end/27384
12288 * fold-const.c (size_binop): Move sanity check for arguments to
12289 the beginning of the function.
12291 PR middle-end/27488
12292 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
12295 2006-05-11 Richard Guenther <rguenther@suse.de>
12297 PR middle-end/27529
12298 * fold-const.c (fold_unary): Handle intermediate conversion
12299 to a pointer type like intermediate conversion to an integer
12300 type in folding of (T1)(T2)var to var.
12301 Match the code to the comment in the final conversion for
12302 (T1)(T2)var to (T1)var regarding to type precision. Rather
12303 than disallow T1 being of pointer type, assert that both T1
12304 and var are of pointer type or not. Make sure not to fall
12305 over the frontends lazyness wrt array to pointer decay though.
12307 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
12309 * arm.c (arm_struct_value_rtx): Delete.
12310 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
12311 (arm_init_cumulative_args): Always initialize nregs to zero.
12313 2006-05-10 Richard Guenther <rguenther@suse.de>
12315 PR tree-optimization/27532
12316 * tree-object-size.c (plus_expr_object_size): Fix typo.
12318 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
12321 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
12322 ashrdi_const, ashrdi3): Use a scratch register.
12324 2006-05-10 Richard Guenther <rguenther@suse.de>
12326 PR tree-optimization/27302
12327 * fold-const.c (operand_equal_p): For two comparisons,
12328 try comparison of one comparison code swapped if that yields
12331 2006-05-10 Ben Elliston <bje@au.ibm.com>
12333 * tree-pretty-print.c (pretty_print_string): No need to handle
12334 '\0' as a special character.
12336 * tree.h: Include "hashtab.h".
12337 (iterative_hash_expr): Use hashval_t in its prototype.
12338 * Makefile.in (TREE_H): Add $(HASHTAB_H).
12340 2006-05-09 Steve Ellcey <sje@cup.hp.com>
12343 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
12344 (hppa*64*-*-hpux11*): Ditto.
12345 (hppa[12]*-*-hpux11*): Ditto.
12347 2006-05-09 David Edelsohn <edelsohn@gnu.org>
12350 * config/rs6000/aix41.h (TARGET_64BIT): Define.
12352 2006-05-09 Michael Matz <matz@suse.de>
12354 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
12355 host_extra_gcc_objs and host_xmake_file.
12356 (<*-*-linux*>): Don't overwrite host_xmake_file.
12357 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
12358 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
12359 (host_detect_local_cpu): Declare.
12360 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
12361 * config/i386/i386.c (override_options): Handle -mtune=native
12363 * config/i386/x-i386: New file.
12364 * config/i386/driver-i386.c: New file.
12365 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
12368 2006-05-09 Dirk Mueller <dmueller@suse.de>
12369 Richard Guenther <rguenther@suse.de>
12371 PR middle-end/27498
12372 * fold-const.c (fold_read_from_constant_string): Relax check
12373 for matching types to matching modes.
12375 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
12377 PR rtl-optimization/27335
12378 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
12381 2006-05-08 Chao-ying Fu <fu@mips.com>
12382 Richard Sandiford <richard@codesourcery.com>
12384 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
12385 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
12386 * config/mips/mips.md (UNSPEC_SCC): New constant.
12387 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
12388 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
12389 (mips_emit_compare): Use it.
12390 (mips_expand_vcondv2sf): New function.
12392 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
12394 Fix PR tree-optimization/27093
12395 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
12396 renaming when they become not-used_alone.
12398 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12400 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
12401 relocation and relocation stubs.
12403 2006-05-08 Eric Christopher <echristo@apple.com>
12405 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
12408 2006-05-08 Jan Hubicka <jh@suse.cz>
12410 PR middle-end/24561
12411 * cgraphunit.c (decide_is_function_needed): When not optimizing even
12412 unused static functions are needed.
12414 2006-05-08 Roger Sayle <roger@eyesopen.com>
12417 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12418 of a reg_equiv_constant if the result is a legitimate constant.
12420 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12423 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12424 standard 80387 constants, raise the cost to prevent
12425 compress_float_constant() to generate load from memory.
12427 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12429 * config/arm/constraints.md (c): Fix a typo.
12431 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12434 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12437 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12439 (_mm_mwait): Likewise.
12441 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12443 (sse3_monitor): Make it 32bit only.
12444 (sse3_monitor64): New. 64bit monitor.
12446 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12449 * config/i386/i386.c (classify_argument): Skip fields with invalid
12452 2006-05-07 Richard Guenther <rguenther@suse.de>
12454 PR tree-optimization/27409
12455 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12456 Do not try to find zero-sized subvars.
12458 2006-05-07 Richard Guenther <rguenther@suse.de>
12460 PR tree-optimization/27136
12461 * tree-ssa-loop-niter.c (get_val_for): Correct function
12462 comment, assert requirements.
12463 (loop_niter_by_eval): Stop processing if the iterated
12464 value did not simplify.
12466 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12468 * opts.c (flag_see): remove its setting at -O3.
12470 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12472 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12473 * arm/constraints.md: New file.
12474 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12475 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12476 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12477 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12478 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12479 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12480 * arm.md: Include constraints.md.
12481 (thumb_movsi_insn): Use satisfies_constraint_J.
12482 (movhi, movqi): Use satisfies_constraint_I.
12484 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12486 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12487 for atmeg a645 device.
12489 2006-05-06 Richard Guenther <rguenther@suse.de>
12491 PR tree-optimization/27151
12492 * tree-vect-transform.c (vectorizable_condition): Punt on
12493 values that have a different type than the condition.
12495 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12498 * c-parser.c (c_parser_cast_expression): Only insert casts into
12499 hash table if pointer.
12500 * function.c (used_types_insert_helper): Rename from
12502 (used_types_insert): Call used_types_insert_helper.
12503 * function.h (used_types_insert): Accept only one argument.
12505 2006-05-05 David Edelsohn <edesohn@gnu.org>
12507 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12508 scratch with output modifier.
12510 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12513 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12514 with output modifier.
12516 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12519 * config/mips/mips.c (mips_symbolic_address_p): Return true
12520 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12521 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12523 2006-05-04 Richard Guenther <rguenther@suse.de>
12525 PR tree-optimization/14287
12526 PR tree-optimization/14844
12527 PR tree-optimization/19792
12528 PR tree-optimization/21608
12529 PR tree-optimization/27090
12530 * tree-ssa-pre.c (try_combine_conversion): New function.
12531 (compute_avail): After constructing the value-handle
12532 expression, use try_combine_conversion to combine NOP_EXPRs
12533 with previous value-handle expressions and use the result if it
12536 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12538 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12540 2006-05-04 Jan Hubicka <jh@suse.cz>
12542 PR middle-end/25962
12543 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12545 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12547 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12548 that this only matches CONST_INTs. All users changed to VOIDmode
12551 * config/bfin/bfin.c: Include "optabs.h".
12552 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12554 (enum bfin_builtins): Add a number of fractional and vector builtins.
12555 (bfin_init_builtins): Likewise.
12556 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12557 (safe_vector_operand, bfin_expand_binop_builtin,
12558 bfin_expand_unop_builtin): New functions.
12559 (bfin_expand_builtin): Handle the new builtins.
12560 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12563 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12566 * Makefile.in (OBJS-common): Add see.o.
12567 (see.o): Add dependencies.
12568 * common.opt (fsee): New flag for the see optimization was added.
12569 * opts.c (flag_see): Initialized.
12570 * passes.c (init_optimization_passes, pass_see): New pass.
12571 * rtl.h (see_main): Declaration as extern.
12572 * timevar.def (TV_SEE): New.
12573 * tree-pass.h (pass_see): Declaration as extern.
12574 * invoke.texi (-fsee): Document.
12575 * recog.c (validate_simplify_insn): New function.
12576 * recog.h (validate_simplify_insn): Declaration as extern.
12577 * df-problems.c (df_chain_dump): Check for NULL.
12579 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12580 Daniel Berlin <dberlin@dberlin.org>
12582 * cfgrtl.c (insert_insn_bb_end_new): New function.
12583 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12585 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12587 * df.h (struct web_entry): Moved from web.c.
12588 (union_defs): Declaration as extern.
12589 (unionfind_root): Likewise.
12590 (unionfind_union): Likewise.
12591 * web.c (struct web_entry): Moved to df.h.
12592 (unionfind_root): Remove static declaration.
12593 (unionfind_union): Likewise.
12594 (union_defs): Likewise and generalize to use callback function.
12595 (web_main): Update arguments for union_defs function call.
12597 2006-05-04 Richard Guenther <rguenther@suse.de>
12599 PR tree-optimization/26447
12600 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12601 produce SSA_NAME copies before the store stmt to avoid
12602 breaking exception handling.
12604 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12606 PR middle-end/27388
12607 * gimplify.c (omp_is_private): If var is shared in some outer context,
12608 return false instead of true. Stop searching on parallel context
12611 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12614 * coverage.c: Use get_gcov_unsigned_t() instead of
12615 unsigned_type_node all over.
12617 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12619 PR tree-optimization/27381
12620 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12621 maintain the same immediate_use links.
12622 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
12623 node rather than segfaulting.
12625 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12628 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
12629 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
12630 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
12632 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
12634 Fix PR tree-optimization/26626
12635 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
12637 * tree-ssa-operands.c (access_can_touch_variable): Allow
12638 typecasting through union pointers.
12640 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12643 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
12644 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
12645 to find if var will be a global variable even in the nested context.
12646 (omp_copy_decl): Only check for global variable at the end, it might
12647 be overridden in outer contexts.
12648 (scan_sharing_clauses): For global variables don't create a field.
12649 (lower_rec_input_clauses): Do nothing for global shared variables.
12650 Emit a barrier at the end of ILIST if there were any decls in both
12651 firstprivate and lastprivate clauses.
12652 (lower_send_clauses): Do nothing for global variables except for
12655 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
12657 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
12658 of the correct signedness is returned.
12660 2006-05-02 Jeff Law <law@redhat.com>
12662 PR tree-optimization/27364
12663 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
12664 multiply expressions.
12666 2006-05-02 Tom Tromey <tromey@redhat.com>
12668 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
12670 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
12673 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
12674 -mthumb -fPIC are used.
12676 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
12677 Joshua Kinard <kumba@gentoo.org>
12680 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
12681 with 64-bit pointers.
12683 2006-05-02 Paul Brook <paul@codesourcery.com>
12685 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
12687 (create_fix_barrier): Check that a suitable barrier location is
12689 (arm_reorg): Include ftmp->address in allowable range of addresses.
12691 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
12694 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
12697 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12699 PR middle-end/27337
12700 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
12701 around RESULT_DECL for result passed by reference.
12702 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
12703 * omp-low.c (use_pointer_for_field): Don't look at
12704 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
12705 (scan_omp_1): Call remap_decl on RESULT_DECLs.
12706 (lower_rec_input_clauses): Don't allocate VLA memory for the second
12707 time or var for passing by reference for
12708 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
12709 TREE_ADDRESSABLE variables when passing by reference.
12711 * omp-low.c (dump_omp_region): Fix output formatting.
12713 PR middle-end/27328
12714 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
12715 (expand_omp_parallel): Likewise.
12716 * tree-cfg.c (move_sese_region_to_fn): Likewise.
12718 PR middle-end/27325
12719 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
12720 on statement list containing also constructors and destructors.
12721 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
12723 PR middle-end/27310
12724 * except.c (duplicate_eh_regions): Fix clearing of
12725 cfun->eh->region_array entries.
12727 2006-05-01 DJ Delorie <dj@redhat.com>
12729 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
12731 (gcc_cv_objdump): Likewise.
12732 * configure: Regenerated.
12734 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
12737 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
12738 templates for case 3 and 4.
12740 2006-05-01 DJ Delorie <dj@redhat.com>
12742 * vec.c: Include bconfig.h when appropriate.
12743 * Makefile.in (build/vec.o): Adjust dependencies.
12744 * mkconfig.sh: Make sure config.h isn't used for build machine
12747 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12749 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
12751 (mark_phi_for_rewrite): New function.
12752 (insert_phi_nodes_for, mark_use_interesting): Call
12753 mark_phi_for_rewrite.
12754 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
12755 (update_ssa): Initialize and free phis_to_rewrite.
12757 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12759 PR rtl-optimization/27291
12760 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
12761 folded to a constant.
12763 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12765 PR tree-optimization/27283
12766 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
12767 not whole # of iteration descriptions.
12768 (niter_for_exit): Return just # of iterations. Fail if # of iterations
12769 uses abnormal ssa name.
12770 (niter_for_single_dom_exit): Ditto.
12771 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
12772 return just the number of iterations.
12774 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12776 PR tree-optimization/27144
12777 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
12778 (record_estimate): Only record constant upper bound.
12779 (infer_loop_bounds_from_undefined): Call
12780 compute_estimated_nb_iterations just once.
12781 (proved_non_wrapping_p): Renamed to ...
12782 (n_of_executions_at_most): ... this. Expect bound to be a constant.
12783 (convert_step_widening, scev_probably_wraps_p): Call
12784 n_of_executions_at_most instead of proved_non_wrapping_p.
12785 (substitute_in_loop_info): Do not replace values in bounds.
12786 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
12789 2006-05-01 Richard Henderson <rth@redhat.com>
12792 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
12793 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
12796 2006-05-01 Roger Sayle <roger@eyesopen.com>
12798 * c-typeck.c (parser_build_binary_op): Don't call the function
12799 unsigned_conversion_warning to spot operand/result type overflow.
12800 (build_binary_op): Instead, call convert_and_check instead of
12801 convert to report the problem when the operands are promoted.
12802 * c-common.c (unsigned_conversion_warning): Make static.
12803 * c-common.h (unsigned_conversion_warning): Delete prototype.
12805 2006-05-01 Richard Guenther <rguenther@suse.de>
12807 PR tree-optimization/26726
12808 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
12810 (find_interesting_uses_address): ... we work around here
12811 by folding INDIRECT_REFs in the substituted base.
12813 2006-05-01 Diego Novillo <dnovillo@redhat.com>
12815 * omp-low.c (dump_omp_region): Add newlines.
12817 2006-04-30 Roger Sayle <roger@eyesopen.com>
12819 * common.opt (Woverflow): New command line option.
12820 * c-common.c (constant_expression_warning): Check warn_overflow.
12821 (overflow_waring): Pass OPT_Woverflow to warning.
12822 (unsigned_conversion_warning): Likewise.
12823 (convert_and_check): Likewise.
12824 * doc/invoke.texi: Document new command line option.
12826 2006-04-30 David Edelsohn <edelsohn@gnu.org>
12828 * config/rs6000/rs6000.c (rs6000_override_options): Enable
12829 TARGET_NO_FP_IN_TOC for section anchors.
12830 (optimization_options): Enable section anchors for all
12831 non-"Objective" languages.
12833 2006-04-28 Eric Christopher <echristo@apple.com>
12835 * config/darwin-c.c (darwin_ms_struct): Move this
12836 (darwin_set_default_type_attributes): and this...
12837 * config/darwin.c: ... here.
12838 * config/darwin.h (darwin_ms_struct): Declare.
12840 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
12842 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
12844 2006-04-28 Roger Sayle <roger@eyesopen.com>
12847 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
12848 (push_array_bounds): Delete prototype. Change BOUNDS argument to
12849 an unsigned HOST_WIDE_INT.
12850 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
12852 (really_start_incremental_init): No need to call convert because
12853 bitsize_zero_node is already of type bitsizetype.
12854 (push_init_level): Extract the value of constructor_index as an
12855 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
12856 (process_init_element): Likewise.
12858 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
12860 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
12861 value before passing to make_relative_prefix.
12863 2006-04-28 Alan Modra <amodra@bigpond.net.au>
12865 PR middle-end/27260
12866 * builtins.c (expand_builtin_memset): Expand val in original mode.
12868 2006-04-27 Eric Christopher <echristo@apple.com>
12870 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
12871 with #ifndef/#endif.
12872 * config/darwin-c.c (darwin_ms_struct): New.
12873 (darwin_pragma_ms_struct): Ditto.
12874 (darwin_set_default_type_attributes): Ditto.
12875 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
12876 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
12877 Register ms_struct pragma.
12878 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
12879 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
12880 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
12881 darwin_set_default_type_attributes if TARGET_MACHO.
12883 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
12885 PR tree-optimization/26854
12886 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
12887 * doc/tree-ssa.texi: Update immuse iterator documentation.
12888 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
12889 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
12890 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
12891 first_safe_imm_use, next_safe_imm_use): Remove.
12892 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
12893 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
12894 (move_use_after_head): New. Helper function to sort immuses in a stmt.
12895 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
12896 (first_imm_use_stmt): New. Get first stmt in an immuse list.
12897 (next_imm_use_stmt): New. Get next stmt in an immuse list.
12898 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
12899 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
12900 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
12901 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
12902 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
12903 (perfect_nestify): Use new iterator.
12904 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
12906 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
12907 (next_imm_name): New field in struct immediate_use_iterator_d.
12908 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
12909 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
12910 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
12911 * tree-cfg.c (replace_uses_by): Use new iterator.
12912 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
12913 * tree-ssa-operands.c (correct_use_link): Remove.
12914 (finalize_ssa_use_ops): No longer call correct_use_link.
12916 2006-04-27 Stuart Hastings <stuart@apple.com>
12918 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
12919 * config/t-darwin (crt3.o): Use it.
12920 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
12921 'pmode', use Pmode instead of SImode for SYMBOL_REF.
12922 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
12923 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
12924 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
12927 2006-04-27 Roger Sayle <roger@eyesopen.com>
12929 * expmed.c (store_fixed_bit_field): If we're not optimizing for
12930 size, force the intermediate into a new pseudo rather instead of
12931 performing both a bitwise AND and a bitwise IOR in memory.
12933 2006-04-27 Richard Guenther <rguenther@suse.de>
12935 PR rtl-optimization/26685
12936 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
12937 this one "max-flow-memory-locations".
12939 2006-04-27 Richard Guenther <rguenther@suse.de>
12941 PR tree-optimization/25148
12942 * tree-vrp.c (compare_values): Remove code dealing with
12943 comparisons against type min/max value. Honour overflow
12944 and negative constants in code dealing with comparisons
12945 of plus and minus expressions.
12946 (value_inside_range): Use fold_binary with LE_EXPR and
12947 GE_EXPR rather than compare_values.
12949 2006-04-27 Dirk Mueller <dmueller@suse.de>
12951 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
12954 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
12956 * basic-block.h (safe_insert_insn_on_edge): Removed.
12957 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
12959 2006-04-26 David Edelsohn <edelsohn@gnu.org>
12960 Paolo Bonzini <bonzini@gnu.org>
12962 PR middle-end/27282
12963 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
12964 (simplify_and_const_int): Same.
12966 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
12968 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
12970 2006-04-26 Jakub Jelinek <jakub@redhat.com>
12973 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
12974 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
12975 cgraph_global_info_ready.
12977 PR middle-end/26913
12978 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
12981 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
12982 either decl or init is error_mark_node.
12984 PR middle-end/25989
12985 * tree-flow.h (struct omp_region): Add sched_kind.
12986 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
12987 instead of extracting omp for data.
12988 (expand_omp_for): Save extracted sched_kind.
12990 2006-04-25 Roger Sayle <roger@eyesopen.com>
12992 * expmed.c (store_bit_field): Also check whether the bitsize is
12993 valid for the machine's "insv" instruction before moving the
12994 target into a pseudo for use with the insv.
12995 * config/i386/predicates.md (const8_operand): New predicate.
12996 * config/i386/i386.md (extv, extzv, insv): Use the new
12997 const8_operand predicate where appropriate.
12999 2006-04-25 DJ Delorie <dj@redhat.com>
13001 * doc/install.texi (Specific): Clarify that this is not a list of
13002 supported hosts or targets.
13004 2006-04-25 Richard Sandiford <richard@codesourcery.com>
13006 PR rtl-optimization/26725
13007 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
13008 block's BB_DIRTY flag.
13010 2006-04-25 Geoffrey Keating <geoffk@apple.com>
13012 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
13015 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
13016 to print an integer.
13018 2006-04-25 David Edelsohn <edelsohn@gnu.org>
13020 * varasm.c (align_variable): New function.
13021 (get_block_for_decl): Apply align_variable to DECL before
13022 calculating section information.
13023 (assemble_variable): Split out alignment computation.
13025 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
13027 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
13030 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
13032 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
13033 MODE_PARTIAL_INT mode.
13034 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
13035 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
13037 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
13038 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
13040 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
13042 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
13044 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
13045 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
13046 MACFLAG_IH): Likewise.
13047 (movstricthi_1): Renamed from "*movstricthi".
13048 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
13049 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
13050 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
13051 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
13052 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
13053 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
13054 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
13055 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
13056 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
13057 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
13058 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
13059 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
13060 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
13061 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
13062 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
13064 * doc/rtl.texi (ss_ashift): Improve wording.
13066 2006-04-24 Geoffrey Keating <geoffk@apple.com>
13068 * dwarf2out.c (verify_marks_clear): New.
13069 (prune_unused_types): Call verify_marks_clear initially, not
13072 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
13074 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
13075 * doc/rtl.texi: Document them.
13076 * simplify-rtx.c (simplify_unary_operation,
13077 simplify_binary_operation_1): Don't abort when we see them.
13079 2006-04-24 Mark Mitchell <mark@codesourcery.com>
13082 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13083 * configure.ac: Completely disregard languages that are not
13085 * configure: Regenerated.
13087 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13088 Richard Guenther <rguenther@suse.de>
13090 PR tree-optimization/27236
13091 * tree-inline.c (copy_body_r): Make sure to copy
13092 TREE_THIS_VOLATILE flag.
13094 2006-04-24 Richard Guenther <rguenther@suse.de>
13096 PR middle-end/26869
13097 * tree-complex.c (update_parameter_components): Don't handle
13098 unused parameters which have no default def.
13100 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13101 Richard Guenther <rguenther@suse.de>
13103 PR tree-optimization/27218
13104 * tree-inline.c (expand_call_inline): Strip useless type
13105 conversions for the return slot address.
13107 2006-04-24 Richard Guenther <rguenther@suse.de>
13109 * cfgloop.h (struct loops): Remove unused field array. Reorder
13111 (LOOP_PREFETCH): Remove.
13113 2006-04-24 Richard Guenther <rguenther@suse.de>
13115 PR tree-optimization/22525
13116 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
13117 variable, adjust types of generated expressions.
13119 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
13121 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
13122 (tree-vect-patterns.o): Likewise.
13123 (jump.o): Likewise.
13124 (cselib.o): Likewise.
13125 (loop-doloop.o): Likewise.
13126 (regclass.o): Likewise.
13127 (reload1.o): Likewise.
13128 (explow.o): Replace target.h with $(TARGET_H).
13129 (ipa-prop.o): Likewise.
13130 (ipa-cp.o): Likewise.
13131 (ipa-inline.o): Likewise.
13132 (reorg.o): Likewise.
13133 (reg-stack.o): Likewise.
13135 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13137 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13139 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13141 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13143 * configure.ac: Completely disregard languages that are not
13145 * configure: Regenerated.
13148 * c-common.h (c_build_bitfield_integer_type): Declare.
13149 * c-decl.c (c_build_bitfield_integer_type): Move to ...
13150 * c-common.c (c_build_bitfield_integer_type): ... here.
13152 2006-04-23 Roger Sayle <roger@eyesopen.com>
13155 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13156 a SImode SUBREG of a floating point register after no_new_pseudos.
13158 2006-04-23 Roger Sayle <roger@eyesopen.com>
13160 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13161 identify potentially eliminable registers to additionally catch
13162 VIRTUAL_INCOMING_ARGS_REGNUM.
13163 (addsi3): Update the conditions on when to use addsi_small_int.
13165 2006-04-23 Roger Sayle <roger@eyesopen.com>
13168 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13169 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13170 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13172 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13174 * fold-const.c (range_predecessor): Use operand_equal_p
13175 as the predicate for equality.
13176 (range_successor): Likewise.
13178 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13181 * config/soft-fp/op-common.h: Fix a typo.
13183 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
13185 PR libmudflap/26864
13186 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13187 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13189 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13191 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13193 * doc/tm.texi: Fix a typo.
13195 2006-04-21 Geoffrey Keating <geoffk@apple.com>
13197 * dwarf2out.c (struct die_struct): Document that die_sib makes
13198 a circular linked list.
13199 (FOR_EACH_CHILD): New.
13200 (reverse_die_lists): Delete.
13201 (reverse_all_dies): Delete.
13202 (add_dwarf_attr): Correct documentation.
13203 (remove_child_with_prev): New.
13204 (remove_child_TAG): Update for change to die_struct, use
13205 remove_child_with_prev.
13206 (add_child_die): Update for change to die_struct.
13207 (splice_child_die): Use remove_child_with_prev and add_child_die.
13208 (print_die): Use FOR_EACH_CHILD.
13209 (die_checksum): Likewise.
13210 (assign_symbol_names): Likewise.
13211 (output_location_lists): Likewise.
13212 (build_abbrev_table): Likewise.
13213 (calc_die_sizes): Likewise.
13214 (mark_dies): Likewise.
13215 (unmark_dies): Likewise.
13216 (unmark_all_dies): Likewise.
13217 (output_die): Likewise.
13218 (prune_unused_types_mark): Likewise.
13219 (prune_unused_types_walk): Likewise.
13220 (same_die_p): Update for change to die_struct.
13221 (break_out_includes): Likewise.
13222 (prune_unused_types_prune): Likewise.
13223 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13224 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13225 it's already clear.
13226 (dwarf2out_finish): Don't call reverse_all_dies.
13228 2006-04-21 Eric Christopher <echristo@apple.com>
13230 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13231 in comments and function names.
13233 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13236 * c-typeck.c (digest_init): Robustify.
13238 * c-typeck.c (pop_init_level): Simplify.
13240 2006-04-21 Steve Ellcey <sje@cup.hp.com>
13242 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13244 2006-04-21 Paul Brook <paul@codesourcery.com>
13246 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13247 hardware floating point.
13249 2006-04-21 David Edelsohn <edelsohn@gnu.org>
13251 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13254 2006-04-21 Nick Clifton <nickc@redhat.com>
13256 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13259 2006-04-21 Alan Modra <amodra@bigpond.net.au>
13262 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
13263 C++ lang type in traceback table for Objective-C++.
13265 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
13267 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
13269 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
13271 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13274 * tree-mudflap.c (mudflap_finish_file): Skip function when there
13275 were errors. Remove check for erroneous objects.
13277 2006-04-20 Jeff Law <law@redhat.com>
13279 PR tree-optimization/26854
13280 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
13281 checking for zero or one use.
13282 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
13283 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
13284 * tree-ssa-reassoc.c (negate_value): Similarly.
13285 (reassociate_bb): Similarly.
13287 2006-04-20 Jakub Jelinek <jakub@redhat.com>
13290 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
13291 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
13292 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
13294 2006-04-20 Alan Modra <amodra@bigpond.net.au>
13296 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
13297 fp regs if the last fp arg doesn't fit in regs.
13299 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
13302 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
13303 that the last insn has the REG_INC note.
13305 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
13306 Nathan Sidwell <nathan@codesourcery.com>
13309 * stor-layout.c (update_alignment_for_field): Do not align
13311 (place_union_field): Place union field at the start of the union.
13312 (place_field): Move ERROR_MARK check later, and use the current
13313 allocation position to maintain monotonicity.
13315 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
13317 * dominance.c: Include timevar.h.
13318 (calculate_dominance_info): Use TV_DOMINANCE.
13319 * timevar.def (TV_DOMINANCE): New timevar.
13320 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
13322 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13324 PR rtl-optimization/14261
13325 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
13326 move would be an INSV insn.
13327 (noce_process_if_block): Don't optimize if the destination is a
13328 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
13330 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13332 * config/s390/s390.md: Add comments with the instructions emitted
13333 by an insn pattern if macros are used.
13335 2006-04-19 Alan Modra <amodra@bigpond.net.au>
13337 PR rtl-optimization/26026
13338 * fold-const.c (fold_binary): Optimize div and mod where the divisor
13339 is a known power of two shifted left a variable amount.
13341 2006-04-18 Geoffrey Keating <geoffk@apple.com>
13343 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
13344 to hash table twice when the debug_str section has SECTION_MERGE.
13346 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
13348 * config/soft-fp: New directory. From glibc.
13349 * config/soft-fp/t-softfp: New.
13350 * config/soft-fp/README: New.
13351 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
13352 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
13353 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
13354 (LIBGCC_DEPS): Add $(SFP_MACHINE).
13355 * config.gcc: Use rs6000/t-fprules-fpbit or
13356 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
13358 * config/rs6000/sfp-machine.h: New. Based on glibc.
13359 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
13361 * config/rs6000/t-fprules: Remove fp-bit rules.
13362 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
13363 * config/rs6000/t-linux64: Likewise. Remove duplicates from
13364 LIB2FUNCS_EXTRA. Remove fp-bit rules.
13365 (softfp_wrap_start, softfp_wrap_end): New.
13367 2006-04-18 DJ Delorie <dj@redhat.com>
13369 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
13371 2006-04-18 Devang Patel <dpatel@apple.com>
13373 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
13375 2006-04-18 Nick Clifton <nickc@redhat.com>
13377 * config/sh/t-symbian: Add rule to build sh-c.o
13378 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
13379 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
13380 (sh_symbian_encode_section_info): Likewise.
13382 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
13384 * builtins.c (expand_builtin_strcmp): Cover label definition of
13385 do_libcall with HAVE_cmpstrnsi.
13387 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
13389 * function.c (temp_slots_at_level, max_slot_level): Use VEC
13391 * function.h (temp_slot_p): New.
13392 (function): Change the type of x_used_temp_slots to
13393 VEC(temp_slot_p,gc) *.
13395 2006-04-18 Nick Clifton <nickc@redhat.com>
13397 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
13398 flag_strength_reduce.
13400 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
13402 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13406 Partial revert of revision 112637
13407 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13408 Dale Johannesen <dalej@apple.com>
13411 * regclass.c (struct reg_pref): Update documentation.
13412 (regclass): Set prefclass to NO_REGS if memory is the best option.
13413 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13415 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13417 PR tree-optimization/26821
13418 * tree-ssa-math-opts.c (get_constant_one): New.
13419 (insert_reciprocals): Use it.
13421 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13423 * dwarf2out.c (free_AT): Delete.
13424 (remove_AT): Update string ref counts.
13425 (remove_child_TAG): Don't call free_die.
13426 (free_die): Delete.
13427 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13428 or DW_TAG_GNU_EINCL.
13429 (prune_unused_types_walk_attribs): Reset string refcounts.
13430 (prune_unused_types_update_strings): New.
13431 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13432 call free_die. Do call prune_unused_types_update_strings.
13433 (prune_unused_types): Empty debug_str_hash.
13435 2006-04-17 Roger Sayle <roger@eyesopen.com>
13437 * expr.c (expand_assignment): Optimize away no-op moves where the
13438 source and destination are equal and have no side-effects.
13440 2006-04-17 Richard Guenther <rguenther@suse.de>
13443 * reload.c (push_reload): Guard calls to get_secondary_mem
13444 for memory subregs.
13446 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13448 * alias.c (reg_base_value, old_reg_base_value): Change the
13449 type to VEC(rtx,gc) *.
13450 (REG_BASE_VALUE, find_base_value, record_set,
13451 init_alias_analysis): Use VEC instead of VARRAY.
13453 * alias.c (alias_sets): Change the type to
13454 VEC(alias_set_entry,gc) *.
13455 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13456 VEC instead of VARRAY.
13457 (last_alias_set): Remove.
13459 * cgraph.h (cgraph_edge_p): New.
13460 Update the prototype of cgraph_function_versioning.
13461 * cgraphunit.c (cgraph_copy_node_for_versioning,
13462 cgraph_function_versioning): Use VEC instead of VARRAY.
13463 * ipa-cp.c (ipcp_insert_stage): Likewise.
13465 2006-04-16 Roger Sayle <roger@eyesopen.com>
13468 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13469 "A op B" or "A op C", we may need to convert A to the type of B and C.
13471 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13473 * target.h (struct gcc_target): Add mode_rep_extended.
13474 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13475 (init_num_sign_bit_copies_in_rep): Initialize it using
13477 (truncate_to_mode): Use it.
13478 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13479 * targhooks.h (default_mode_rep_extended): Declare it.
13480 * targhooks.c (default_mode_rep_extended): Define it.
13481 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13482 default_mode_rep_extended.
13483 (TARGET_INITIALIZER): Include it.
13484 * doc/tm.texi (Misc): Document it.
13485 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13486 (mips_truncated_to_mode): New function.
13488 2006-04-16 Roger Sayle <roger@eyesopen.com>
13490 PR middle-end/25474
13491 * expr.c (compress_float_constant): Copy the narrow constant into
13492 a new pseudo before extending it to its final width.
13494 2006-04-16 Roger Sayle <roger@eyesopen.com>
13495 Andrew Pinski <pinskia@gcc.gnu.org>
13496 Dale Johannesen <dalej@apple.com>
13499 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13500 special case code to implement V8HImode and V16QImode with SSE2.
13502 2006-04-15 Roger Sayle <roger@eyesopen.com>
13504 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13505 trees are constructed with a suitable tree type.
13507 2006-04-15 Roger Sayle <roger@eyesopen.com>
13509 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13510 (integer_onep): Likewise.
13511 (integer_all_onesp): Likewise.
13512 (integer_pow2p): Likewise.
13513 (integer_nonzerop): Likewise.
13514 (real_zerop): Likewise.
13515 (real_onep): Likewise.
13516 (real_twop): Likewise.
13517 (real_minus_onep): Likewise.
13518 (int_size_in_bytes): Likewise.
13519 (host_integerp): Likewise.
13521 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13523 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13524 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13525 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13527 * tree-ssa-structalias.h (alias_info): Remove num_references.
13529 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13531 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13532 (output_bvb patterns): Likewise.
13533 * pa.c (output_bb): Use 'bb' insn for long branch case.
13534 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13535 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13536 1. Correct length operand for alternatives 1 and 2.
13537 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13538 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13540 2006-04-14 Roger Sayle <roger@eyesopen.com>
13542 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13543 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13544 were accidentally reverted by r112959.
13546 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13548 PR middle-end/26823
13549 * except.h (eh_region_outermost): New prototype.
13550 * except.c (eh_region_outermost): New function.
13551 * tree-cfg.c (find_outermost_region_in_block): Use it.
13553 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13555 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13557 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13558 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13559 (init_reload, reload): Use VEC instead of VARRAY.
13560 * reload.h: Update the prototype for
13561 reg_equiv_memory_loc_varray.
13563 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13564 Eric Botcazou <ebotcazou@libertysurf.fr>
13566 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13567 register save area.
13569 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13571 PR middle-end/27134
13572 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13573 to expand fallback builtin function call.
13575 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13577 PR middle-end/27095
13578 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13579 and emit libcall here in case the builtin fails.
13580 (expand_builtin_strcmp): Always emit the libcall here on failure.
13582 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13584 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13585 * flow.c (reg_n_info): Change the type to
13586 VEC(reg_info_p,heap) *.
13587 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13589 * regs.h (reg_info_p): New.
13590 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13591 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13592 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13595 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13597 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13599 * params.h (MAX_SCHED_READY_INSNS): New macro.
13600 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13601 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13602 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13603 the ready list for 1 cycle during the first scheduling pass.
13604 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13606 2006-04-13 Richard Henderson <rth@redhat.com>
13609 * gimple-low.c (lower_omp_directive): Remove dead code.
13610 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13611 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13612 * omp-low.c (struct omp_region): Move to tree-flow.h.
13613 (root_omp_region): Export.
13614 (omp_regions, lookup_omp_region): Remove.
13615 (determine_parallel_type): Update for struct omp_region changes.
13616 (dump_omp_region): Dump regions with block numbers.
13617 (new_omp_region): Take type and block instead of stmt; malloc
13619 (free_omp_region_1, free_omp_regions): New.
13620 (expand_parallel_call): Take entry_stmt as argument; update for
13621 changes to omp_region.
13622 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
13623 (remove_exit_barriers): New.
13624 (expand_omp_parallel): Update for struct omp_region changes.
13625 (expand_omp_synch): Likewise.
13626 (expand_omp): Likewise.
13627 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
13628 (expand_omp_for_static_chunk): Likewise.
13629 (expand_omp_for): Likewise.
13630 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
13631 (expand_omp_sections): Similarly, with GOMP_sections_end.
13632 (expand_omp_single): New.
13633 (build_omp_regions_1): Update for OMP_CONTINUE.
13634 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
13635 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
13636 OMP_SECTIONS_SECTIONS.
13637 (lower_omp_single_simple): Don't emit barrier here.
13638 (lower_omp_single_copy): Likewise.
13639 (lower_omp_single): Fix bindings, and lower to straightline now.
13640 (lower_omp_master, lower_omp_ordered): Likewise.
13641 (lower_omp_critical): Likewise.
13642 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
13643 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
13644 omp edges, free it afterward.
13645 (make_omp_sections_edges): Remove.
13646 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
13647 (move_stmt_r): Handle OMP_CONTINUE.
13648 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
13649 statement pointers to basic blocks. Add type member.
13650 (root_omp_region, new_omp_region, free_omp_regions): Declare.
13651 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
13652 * tree-inline.c (estimate_num_insns_1): Likewise.
13653 * tree-pretty-print.c (dump_generic_node): Likewise.
13654 * tree-ssa-operands.c (get_expr_operands): Likewise.
13655 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
13656 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
13657 (OMP_CONTINUE): New.
13658 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
13659 (OMP_SECTIONS_SECTIONS): Remove.
13660 (OMP_SECTION_LAST): New.
13661 (OMP_RETURN_NOWAIT): New.
13663 2006-04-13 Roger Sayle <roger@eyesopen.com>
13665 * fold-const.c (native_encode_vector, native_interpret_real):
13666 Correct obvious mistakes in the previous check-in.
13668 2006-04-13 Roger Sayle <roger@eyesopen.com>
13670 * fold-const.c (native_encode_expr): New function to encode
13671 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
13672 or VECTOR_CST into a specified buffer.
13673 (native_encode_int): New function.
13674 (native_encode_real): New function.
13675 (native_encode_complex): New function.
13676 (native_encode_vector): New function.
13677 (native_interpret_expr): Inverse of native_encode_expr to convert
13678 a target representation into an INTEGER_CST, REAL_CST etc...
13679 (native_interpret_int): New function.
13680 (native_interpret_real): New function.
13681 (native_interpret_complex): New function.
13682 (native_interpret_vector): New function.
13683 (fold_view_convert_expr): New function to constant fold/evaluate
13684 a VIEW_CONVERT_EXPR of a suitable constant expression.
13685 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
13686 Change call of build1 to fold_build1 when constructing a
13689 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
13690 Ulrich Weigand <uweigand@de.ibm.com>
13693 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
13696 2006-04-13 Alan Modra <amodra@bigpond.net.au>
13699 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
13700 optimize to lo_sum for DFmode if !TARGET_FPRS.
13702 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13704 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
13705 delete_alias_info, compute_flow_sensitive_aliasing,
13706 group_aliases): Use VEC instead of VARRAY.
13707 * tree-ssa-structalias.c (update_alias_info): Likewise.
13708 * tree-ssa-structalias.h (alias_info): Change the type of
13709 processed_ptrs to VEC(tree,heap) *.
13711 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
13714 * config/sh/lib1funcs.h: New file, broken out of:
13715 * config/sh/lib1funcs.asm.
13716 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
13718 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
13719 * config/sh/lib1funcs-Os-4-200.asm: New file.
13720 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
13721 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
13722 (EXTRA_MULTILIB_PARTS): Include it.
13723 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
13724 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
13725 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
13726 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
13729 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13731 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
13732 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
13733 tpa_compact, root_var_init, type_var_init): Use VEC instead of
13735 * tree-ssa-live.h: Include vecprim.h.
13736 (tree_partition_associator_d): Change the type of
13737 first_partition to VEC(int,heap) *.
13738 (tpa_first_partition): Use VEC instead of VARRAY.
13740 * Makefile.in (GTFILES): Move functions.h after tree.h.
13741 * function.c (reset_block_changes, record_block_change,
13742 check_block_change, free_block_changes): Use VEC instead of
13744 * function.h (function): Change the type of
13745 ib_boundaries_block to VEC(tree,gc) *.
13746 * tree-inline.c (copy_cfg_body): Initialize
13747 ib_boundaries_block to NULL instead of (varray_type) 0.
13749 2006-04-12 Roger Sayle <roger@eyesopen.com>
13751 * expr.c (emit_group_store): Correct operand order in call to
13752 subreg_lowpart_offset. Always create paradoxical SUBREGs with
13753 a SUBREG_BYTE of zero.
13755 2006-04-12 Richard Guenther <rguenther@suse.de>
13757 * profile.c (compute_branch_probabilities): Remove code
13758 encapsulated in !ir_type (), which are remanents of the
13759 removed RTL profiling code.
13760 * rtl-profile.c: Remove.
13762 2006-04-12 Alan Modra <amodra@bigpond.net.au>
13764 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
13765 magic NULL_RTX comment.
13766 (function_arg): Store entire fp arg to mem if any part should go
13768 (rs6000_arg_partial_bytes): Adjust for above change.
13770 2006-04-11 Roger Sayle <roger@eyesopen.com>
13772 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
13773 if it hasn't been initialized by dwarf2out_init.
13775 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
13777 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
13778 symbolic constants in branch patterns.
13780 2006-04-11 Roger Sayle <roger@eyesopen.com>
13782 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
13784 2006-04-11 Richard Sandiford <richard@codesourcery.com>
13786 PR rtl-optimization/27073
13787 * gcse.c (try_replace_reg): Revert last change. Continue to search
13788 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
13791 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
13793 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
13794 aggregate types other than record and union types.
13795 (function_arg): Likewise.
13796 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
13798 (function_value): In 64-bit mode, return objects that require it
13801 2006-04-11 Roger Sayle <roger@eyesopen.com>
13803 * dwarf2out.c (premark_used_types): Remove problematic prototype.
13805 2006-04-11 Jakub Jelinek <jakub@redhat.com>
13807 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
13809 2006-04-03 Jeff Law <law@redhat.com>
13812 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
13813 alias information too.
13815 2006-04-10 Mike Frysinger <vapier@gentoo.org>
13817 * Makefile.in (gcc-cross): Add $(exeext) to target name.
13819 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
13822 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
13823 (premark_used_types_helper): New.
13824 (premark_used_types): New.
13825 (gen_subprogram_die): Call premark_used_types.
13826 (prune_unused_types_walk): Do not prune perennial dies.
13827 * function.c (used_types_insert): New.
13828 * function.h (struct function): Add used_types_hash field.
13829 (used_types_insert): Add prototype.
13830 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
13831 * c-parser.c (c_parser_cast_expression): Save casted types in used
13834 2006-04-11 Mark Mitchell <mark@codesourcery.com>
13837 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
13838 rs6000_explicit_options.float_gprs.
13840 2006-04-10 Roger Sayle <roger@eyesopen.com>
13842 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
13843 from ix86_expand_vector_init_low_nonzero. Take an additional
13844 one_var argument indicating which element is non-zero. Support
13845 one_var != 0 for V4SFmode and V4SImode by permuting the result.
13846 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
13847 with one_var instead of ix86_expand_vector_init_low_nonzero.
13849 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
13851 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
13852 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
13853 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
13854 build/genextract.o): Depend on vecprim.h.
13855 * cfglayout.c, df-problems.c, function.c, genextract.c,
13856 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
13857 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
13861 2006-04-10 Geoffrey Keating <geoffk@apple.com>
13863 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
13864 Declare VECs of this type.
13865 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
13866 (remove_children): Delete.
13867 (add_dwarf_attr): Use VEC routines.
13868 (add_AT_flag): Update for changes to add_dwarf_attr.
13869 (add_AT_int): Likewise.
13870 (add_AT_unsigned): Likewise.
13871 (add_AT_long_long): Likewise.
13872 (add_AT_vec): Likewise.
13873 (add_AT_string): Likewise.
13874 (add_AT_die_ref): Likewise.
13875 (add_AT_fde_ref): Likewise.
13876 (add_AT_loc): Likewise.
13877 (add_AT_loc_list): Likewise.
13878 (add_AT_addr): Likewise.
13879 (add_AT_lbl_id): Likewise.
13880 (add_AT_lineptr): Likewise.
13881 (add_AT_macptr): Likewise.
13882 (add_AT_offset): Likewise.
13883 (add_AT_range_list): Likewise.
13884 (get_AT): Use VEC_iterate.
13885 (remove_AT): Use VEC_ordered_remove.
13886 (free_die): Fold remove_children into here; have it use VEC_iterate.
13887 (print_die): Use VEC_iterate on attrs.
13888 (reverse_die_lists): Don't reverse attr lists.
13889 (die_checksum): Use VEC_iterate on attrs.
13890 (same_die_p): Likewise.
13891 (output_location_lists): Likewise.
13892 (build_abbrev_table): Likewise.
13893 (size_of_die): Likewise.
13894 (unmark_all_dies): Likewise.
13895 (output_abbrev_section): Likewise.
13896 (output_die): Likewise.
13897 (prune_unused_types_walk_attribs): Likewise.
13899 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13901 * doc/install.texi (*-*-solaris2*): Point to the configure page.
13903 2006-04-10 Jakub Jelinek <jakub@redhat.com>
13906 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
13908 2006-04-09 Roger Sayle <roger@eyesopen.com>
13910 * expr.c (store_constructor): Don't bother clearing target if
13911 we're about to assign a vector to it using vec_init_optab.
13913 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
13915 * tree-ssa-alias.c (lhs_may_store_to): New function.
13916 (recalculate_used_alone): Handle LHS of calls.
13918 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13922 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
13923 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
13924 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
13925 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
13926 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
13927 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
13928 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
13929 stubs. Add ".align 8" directives before all ".dword" directives.
13930 (GTHREAD_USE_WEAK): Revise comment.
13931 (TARGET_ATTRIBUTE_WEAK): Define.
13932 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
13933 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
13934 * stublib.c: New file.
13939 * pa.md (cbranch patterns): Revise arguments used in calls to
13940 output_cbranch, output_bb and output_bvd. Add long branch length
13942 (fbranch patterns): Handle long branches.
13943 (jump): Revise length check. Revise arguments for output_lbranch call.
13944 Add long branch length attributes.
13945 (decrement_and_branch_until_zero): Add long branch length attributes.
13946 (output_movb, output_parallel_addb and output_parallel_movb patterns):
13947 Likewise. Revise arguments for output_parallel_addb and
13948 output_parallel_movb calls.
13949 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
13950 output_parallel_movb and output_parallel_addb): Update prototypes.
13951 * pa.c (output_cbranch): Revise arguments. Correct handling of
13952 nullification in long branches.
13953 (output_lbranch): Add new argument to control extraction of delay
13955 (output_bb): Handle long branches.
13956 (output_bvb, output_dbra, output_movb, output_parallel_movb,
13957 output_parallel_addb): Likewise.
13959 2006-04-09 Richard Sandiford <richard@codesourcery.com>
13961 PR rtl-optimization/27073
13962 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
13965 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
13967 * tree.h (tree_memory_tag): Add old_used_alone.
13968 (SMT_OLD_USED_ALONE): New macro.
13969 * tree-ssa-alias.c (recalculate_used_alone): Stop
13970 marking things for renaming unnecessarily.
13972 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
13974 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
13975 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
13976 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
13977 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
13978 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
13979 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
13980 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
13981 spelling convensions.
13982 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
13983 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
13984 typos. Follow spelling conventions.
13986 2006-04-07 DJ Delorie <dj@redhat.com>
13988 * config/m32c/m32c.c (m32c_function_arg): Structures are always
13989 passed on the stack.
13990 (m32c_init_cumulative_args): When a function returns a structure,
13991 always pass the pointer to that return area on the stack.
13992 (m32c_function_arg_advance): Don't increment the parameter number
13993 if we're processing the returned structure pointer.
13994 (pushm_info): Reverse order of registers.
13996 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
13998 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
13999 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14000 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
14001 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
14002 build_int_cst_type.
14003 * tree-chrec.c (chrec_fold_multiply_poly_poly,
14004 chrec_fold_multiply): Same.
14005 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
14006 force_expr_to_var_cost): Same.
14007 * tree-mudflap.c (mf_xform_derefs_1): Same.
14008 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
14010 2006-04-07 David Edelsohn <edelsohn@gnu.org>
14012 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
14013 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
14016 2006-04-07 Jan Hubicka <jh@suse.cz>
14018 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
14020 2006-04-07 Richard Guenther <rguenther@suse.de>
14022 PR tree-optimization/26135
14023 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
14024 loads for store copy-prop.
14025 (copy_prop_visit_stmt): Likewise.
14027 2006-04-05 Robert Millan <robertmh@gnu.org>
14029 * config/i386/linux.h: Add a comment to mark macros that are
14030 being overriden in config/k*bsd-gnu.h.
14031 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
14033 * config/knetbsd-gnu.h: Ditto.
14035 2006-04-06 Jan Hubicka <jh@suse.cz>
14039 * coverage.c (coverage_checksum_string): Reorganize loop to not read
14042 2006-04-06 Mike Stump <mrs@apple.com>
14044 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
14045 for HAVE_nonlocal_goto to be consistent.
14046 (expand_builtin_nonlocal_goto): Likewise.
14047 (expand_builtin_strcmp): Use #ifdef instead of #if
14048 for HAVE_cmpstrnsi to be consistent.
14050 2006-04-05 DJ Delorie <dj@redhat.com>
14052 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
14055 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
14057 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
14058 got-relative addressing for anything but SImode.
14060 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
14061 even if the calling function doesn't modify them.
14063 2006-04-05 Richard Guenther <rguenther@suse.de>
14065 PR tree-optimization/26919
14066 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
14067 to cgraph_estimate_size_after_inlining.
14069 2006-04-05 Alan Modra <amodra@bigpond.net.au>
14071 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
14073 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
14075 PR tree-optimization/26996
14076 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
14077 VECTOR_TYPE variables.
14079 2006-04-05 Richard Guenther <rguenther@suse.de>
14081 PR tree-optimization/26763
14082 * fold-const.c (fold_comparison): Move folding of
14083 PTR + CST CMP PTR + CST ...
14084 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
14086 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
14088 * doc/install.texi (Prerequisites): Refine some wording on
14089 bootstrapping and ksh.
14090 Move the version numbers of DejaGnu here from the testing section
14091 and fix casing of names.
14092 Fix markup and clarify wording for autogen requirements.
14093 Refer to GCJ instead of just java.
14094 Refer to SVN instead of CVS.
14095 Describe diffutils as useful instead of necessary.
14096 (Downloading the source): Refer to SVN instead of CVS.
14097 Adjust a link to our web site accordingly.
14098 (Configuration): Fix casing of Bison.
14099 (Building): Refer to SVN instead of CVS.
14100 Fix a sentence on the use of Bison and remove duplicate (and
14101 incorrect) version number of Bison requirement.
14102 Remove one redundant list of packages needed for building.
14103 (Specific): Avoid reference to CVS.
14105 2006-04-04 Eric Christopher <echristo@apple.com>
14107 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
14108 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
14109 (rs6000_handle_struct_attribute): New.
14110 (rs6000_ms_bitfield_layout_p): Ditto.
14112 2006-04-04 Geoffrey Keating <geoffk@apple.com>
14114 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
14115 NULL for dso parameter to atexit_common.
14117 2006-04-04 Eric Christopher <echristo@apple.com>
14119 * config/i386/i386.c (machopic_output_stub): Output \t
14120 between instructions and operands.
14122 2006-04-04 David Edelsohn <edelsohn@gnu.org>
14124 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
14125 satisfies_constraint_[IL] to explicit tests on value.
14127 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
14129 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14130 set_nb_iterations_in_loop): Use build_int_cst instead of
14131 build_int_cst_type.
14132 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14133 build_int_cst instead of convert.
14135 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
14137 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14138 new value 2 for incoming.
14139 * function.c (expand_function_start): Call struct_value_rtx
14140 with incoming as 2.
14141 * config/sparc/sparc.md: Comment updated_return.
14142 * config/sparc/sparc.opt: Add -mstd-struct-return option.
14143 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14144 struct return if sparc_std_struct_return and incoming is 2.
14145 (print_operand): Do not adjust return if
14146 sparc_std_struct_return.
14148 2006-04-04 Roger Sayle <roger@eyesopen.com>
14150 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14151 convert in the middle-end.
14152 * expr.c (store_expr, store_constructor, get_inner_reference,
14153 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14155 * tree.c (build_range_type): Likewise.
14157 2006-04-04 Tom Tromey <tromey@redhat.com>
14159 * doc/install.texi (Prerequisites): Mention jar.
14161 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
14163 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
14166 2006-04-04 Matthias Klose <doko@debian.org>
14168 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14172 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14175 2006-04-03 Geoffrey Keating <geoffk@apple.com>
14177 * doc/extend.texi (Function Attributes): Rewrite visibility
14178 attribute documentation.
14179 * doc/invoke.texi (C++ Dialect Options): Rewrite
14180 -fvisibility-inlines-hidden documentation to describe something
14181 entirely different, although in practise compatible.
14182 (Code Gen Options): Warn about system headers in -fvisibility=
14185 * doc/extend.texi (Other Builtins): Document that
14186 __builtin_nan is a compile-time constant only when its argument
14189 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
14191 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14192 trying to remove TRUNCATE check if all bits outside the new mode
14193 are identical to the sign bit.
14195 2006-04-03 Jeff Law <law@redhat.com>
14197 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14198 and operand scanning in some common cases.
14200 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14201 Dale Johannesen <dalej@apple.com>
14204 * regclass.c (struct reg_pref): Update documentation.
14205 (regclass): Set prefclass to NO_REGS if memory is the best option.
14206 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14207 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14208 into account. For non-registers, equate an empty preferred
14209 reload class to a `!' in the constraint; move the if clause to
14210 do so after those that reject the insn.
14211 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14213 (find_dummy_reload): Likewise.
14214 * doc/tm.texi (Register Classes): Document what it means
14215 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14216 * config/i386/i386.c (ix86_preferred_reload_class): Force
14217 using SSE registers (and return NO_REGS for floating-point
14218 constants) if math is done with SSE.
14219 (ix86_preferred_output_reload_class): New.
14220 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14221 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14222 * config/i386/i386.md: Remove # register preferences.
14224 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14227 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14228 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14229 the type of nb_iter.
14230 (instantiate_parameters_1): Convert the operands before calling
14231 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14232 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14234 2006-04-02 Roger Sayle <roger@eyesopen.com>
14236 * builtins.c (dummy_object): Use build_int_cst instead of convert.
14237 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14238 instead of convert.
14239 * dojump.c (do_jump): Likewise.
14240 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14241 * gimplify.c (gimple_boolify, gimplify_init_constructor,
14242 gimplify_boolean_expr): Likewise.
14243 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14244 * varasm.c (array_size_for_constructor): Likewise.
14245 * tree-object-size.c (compute_object_offset): Likewise.
14247 2006-04-02 Roger Sayle <roger@eyesopen.com>
14249 PR middle-end/26977
14250 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14251 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14253 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14255 PR tree-optimization/26939
14256 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14258 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14260 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
14261 at_stmt. Convert the type of operands before calling
14262 build_polynomial_chrec.
14263 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
14264 add_to_evolution_1.
14265 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
14266 (instantiate_parameters_1): Convert the type of operands before calling
14267 build_polynomial_chrec.
14268 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
14269 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
14270 reset_evolution_in_loop): Insert asserts to check the types of the
14272 (chrec_type): Moved...
14273 (eq_evolutions_p): Use operand_equal_p.
14274 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
14275 the types of the operands.
14276 (chrec_type): ...here.
14277 * tree-data-ref.c (create_data_ref): Convert the operands before
14278 calling chrec_replace_initial_condition.
14279 (same_access_functions, analyze_subscript_affine_affine,
14280 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
14281 (compute_subscript_distance, analyze_ziv_subscript,
14282 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
14283 analyze_miv_subscript): Convert the operands before calling
14284 chrec_fold_minus or chrec_fold_plus.
14286 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14288 * tree-data-ref.c (compute_all_dependences): Use a pointer to
14289 the dependence_relations vector.
14290 (compute_data_dependences_for_loop): Adjust call to
14291 compute_all_dependences.
14293 2006-04-01 Roger Sayle <roger@eyesopen.com>
14294 Richard Henderson <rth@redhat.com>
14296 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
14297 gimple_boolify on the condition before calling gimplify_expr.
14299 2006-03-31 Bob Wilson <bob.wilson@acm.org>
14301 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
14302 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
14303 the frame size. Update to use the new macros.
14304 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
14305 * config/xtensa/ieee754-df.S: Likewise.
14307 2006-03-31 Richard Henderson <rth@redhat.com>
14309 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
14310 (make_edges): ... here. Control fallthru creation with a local
14311 variable. Do not play with fake edges.
14312 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
14313 (make_goto_expr_edges): Don't play with fake edges. Make for_call
14316 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
14318 * dwarf2.h (DW64_CIE_ID): Define.
14319 * dwarf2out.c (DWARF_CIE_ID): Define.
14320 (output_call_frame_info): Output 0xffffffff before standard 8-byte
14321 length header. Use DWARF_CIE_ID.
14322 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
14323 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
14325 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
14327 * config/sh/linux-atomic.asm: New file.
14328 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
14330 2006-03-31 DJ Delorie <dj@redhat.com>
14332 * config/m32c/cond.md: Set condition flags properly throughout.
14333 * config/m32c/minmax.md: Likewise.
14334 * config/m32c/prologue.md: Likewise.
14335 * config/m32c/bitops.md: Likewise.
14336 * config/m32c/muldiv.md: Likewise.
14337 * config/m32c/mov.md: Likewise.
14338 * config/m32c/addsub.md: Likewise.
14339 * config/m32c/m32c.md: Likewise.
14340 * config/m32c/jump.md: Likewise.
14341 * config/m32c/shift.md: Likewise.
14343 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
14344 conditionally output the pattern for this.
14345 * config/m32c/m32c.c (flags_needed_for_conditional): New.
14346 (m32c_compare_redundant): New.
14347 (m32c_output_compare): New.
14348 * config/m32c/m32c-protos.h (m32c_output_compare): New.
14350 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
14351 dest, not src. Allow other 4-byte modes.
14353 2006-03-30 Denis Chertykov <denisc@overta.ru>
14355 * doc/md.texi: Refer to avr/constraints.md instead of
14358 2006-03-30 Roger Sayle <roger@eyesopen.com>
14360 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
14361 signed vs. unsigned comparison failures on some hosts.
14363 2006-03-31 Alan Modra <amodra@bigpond.net.au>
14366 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
14367 change to FLOAT_REGS.
14369 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
14370 (rs6000_override_options): Use it.
14371 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
14372 only for -mabi=spe/no-spe and -mabi=altivec.
14374 2006-03-30 Geoffrey Keating <geoffk@apple.com>
14376 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
14379 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
14381 * Makefile.in: Rename docdir to gcc_docdir.
14383 2006-03-30 Roger Sayle <roger@eyesopen.com>
14386 * expr.c (emit_group_store): Optimize group stores into a pseudo
14387 register by using a paradoxical subreg to initialize the destination
14388 if the first or last member of the group specifies a "low part".
14390 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14393 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
14394 * target.h (struct gcc_target.speculate_insn): Change type of the
14395 second parameter to 'int'.
14396 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
14397 the second operand of the DEPS_LIST.
14398 (copy_DEPS_LIST_list): Update reference to the second operand of the
14400 * rtl.h (alloc_DEPS_LIST): Update signature.
14401 * sched-int.h (ds_t): Change typedef to 'int'.
14402 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14404 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14406 * haifa-sched.c (try_ready): Change condition to restore
14407 non-speculative pattern of the instruction.
14408 (process_insn_depend_be_in_spec): Code to keep probability of the
14409 speculative dependence non-decreasing.
14411 2006-03-30 Jie Zhang <jie.zhang@analog.com>
14413 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14414 (single_move_for_movmem): ... this. Also change all uses.
14415 (bfin_expand_strmov): Renamed to...
14416 (bfin_expand_movmem): ... this. Also change all uses.
14417 * config/bfin/bfin.md (movstrsi): Renamed to...
14418 (movstrsi): ...this.
14420 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14422 PR tree-optimization/26830
14424 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14425 (copy_prop_visit_stmt): Remove write-only variable ann.
14426 (init_copy_prop): Check variable loop depth here. Do not simulate
14427 memory-tag and virtual operand PHIs except for store copy prop.
14429 2006-03-30 Richard Guenther <rguenther@suse.de>
14431 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14432 variants with double arguments.
14434 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14436 * genpreds.c (write_tm_constrs_h): Delete variable p.
14437 * genconditions.c (write_header): Add tm-constrs.h to included
14439 * genpeep.c (main): Add toplev.h to included headers.
14440 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14441 (build/genpeep.o): Add toplev.h dependency.
14442 * config/rs6000/constraints.md: Add "W" constraint.
14444 2006-03-29 Roger Sayle <roger@eyesopen.com>
14446 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14447 sizes by correctly testing whether the size fits a host integer.
14448 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14449 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14450 SImode range for the default sizetype and bitsizetype.
14452 2006-03-29 Roger Sayle <roger@eyesopen.com>
14454 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14455 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14456 quickly if the argument is already of the correct type.
14457 Call fold_build1 instead of build1. Tidy up blank lines.
14459 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14461 * genemit.c (main): Add tm-constrs.h to included headers.
14462 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14463 * genpeep.c (main): Add tm-constrs.h to included headers.
14464 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14465 (write_tm_constrs_h): this and write complete file.
14466 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14467 (write_insn_preds_c): Add tm-constrs.h to included headers.
14468 (gen_constrs): New variable.
14469 (parse_option): Parse "-c".
14470 (main): Invoke write_tm_constrs_h.
14471 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14472 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14473 (object_out_file): Add tm-constrs.h dependency.
14474 (insn-emit.o): Same.
14475 (insn-output.o): Same.
14476 (insn-peep.o): Same.
14477 (insn-preds.o): Same.
14478 (insn-recog.o): Same.
14479 (tm-constsr.h): New target.
14480 (s-constrs-h): New target.
14482 * config/rs6000/constraints.md: New file.
14483 * config/rs6000/rs6000.c: Include tm-constrs.h.
14484 (num_insn_constant_wide): Convert to satisfies_constraint.
14485 (rs6000_rtx_costs): Convert to satisfies_constraint.
14486 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14487 (CONST_OK_FOR_LETTER_P): Delete.
14488 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14489 (EXTRA_CONSTRAINT): Delete.
14490 (EXTRA_MEMORY_CONSTRAINT): Delete.
14491 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14492 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14493 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14494 satisfies_constraint.
14496 * config/i386/i386.c: Include tm-constrs.h.
14498 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14500 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14501 * tree-data-ref.c (find_data_references_in_loop,
14502 compute_data_dependences_for_loop): Use pointers to VEC.
14503 (analyze_all_data_dependences): Adjust calls.
14504 * tree-data-ref.h (find_data_references_in_loop,
14505 compute_data_dependences_for_loop): Adjust declarations.
14506 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14507 compute_data_dependences_for_loop.
14509 2006-03-29 Paul Brook <paul@codesourcery.com>
14511 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14512 (movdf_vfp): Ditto.
14514 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14516 PR tree-optimization/26859
14517 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14519 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14520 for the step after fold_convert.
14522 2006-03-29 Paul Brook <paul@codesourcery.com>
14524 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14525 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14527 2006-03-29 Paul Brook <paul@codesourcery.com>
14529 PR middle-end/23623
14530 * targhooks.c (default_narrow_bitfield): New fuction.
14531 * targhooks.h (default_narrow_bitfield): add prototype.
14532 * target.h (gcc_target): Add narrow_volatile_bitfield.
14533 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14534 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14535 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14536 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14538 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14540 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14542 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14543 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14544 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14545 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14546 (s390_function_arg_float): Allow SDmode and DDmode values to be
14547 passed in floating point registers.
14548 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14549 check with SCALAR_FLOAT_MODE_P.
14550 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14552 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14554 PR tree-optimization/25985
14555 * tree-ssa-loop-niter.c (number_of_iterations_le,
14556 number_of_iterations_ne): Make comments more precise.
14557 (number_of_iterations_cond): Add only_exit argument. Use the
14558 fact that signed variables do not overflow only when only_exit
14560 (loop_only_exit_p): New.
14561 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14562 number_of_iterations_cond.
14564 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14566 PR tree-optimization/26643
14567 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14570 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14572 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14573 (divsi3_i4_int): Likewise.
14575 2006-03-28 Roger Sayle <roger@eyesopen.com>
14577 * expr.c (emit_group_store): Only create a new pseudo reg if the
14578 quantity it needs to hold isn't already a suitable pseudo.
14580 2006-03-28 Jeff Law <law@redhat.com>
14582 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14583 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14585 2006-03-28 Roger Sayle <roger@eyesopen.com>
14587 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14588 the equivalent ~X & Y, and the symmetry related transformations.
14589 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14590 ~X & Y, and symmetry related transforms.
14592 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14594 Revert my 2006-03-27 patches.
14596 2006-03-28 Roger Sayle <roger@eyesopen.com>
14598 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14599 ~(T1)X, when T1 and T2 are integer types of the same precision
14600 and (T2)X isn't an extension.
14602 2006-03-28 Jeff Law <law@redhat.com>
14604 PR tree-optimization/26796
14605 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14606 need EH edge cleanups rather than purging them immediately.
14607 (eliminate_degenerate_phis): Handle queued EH cleanups.
14609 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14611 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14614 2006-03-27 Roger Sayle <roger@eyesopen.com>
14616 PR middle-end/22524
14617 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14618 cast BIT_NOT_EXPR operand to the correct type.
14620 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
14622 * tree-loop-linear.c: Don't include varray.h.
14623 (gather_interchange_stats, try_interchange_loops,
14624 linear_transform_loops): Use VEC instead of VARRAY.
14625 * lambda-mat.c: Don't include varray.h.
14626 * tree-chrec.c: Same.
14627 * lambda-trans.c: Same.
14628 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
14629 VEC instead of VARRAY.
14630 * tree-vectorizer.h: Idem.
14631 * tree-data-ref.c (dump_data_references,
14632 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14633 initialize_data_dependence_relation, finalize_ddr_dependent,
14634 compute_all_dependences, find_data_references_in_loop,
14635 compute_data_dependences_for_loop, analyze_all_data_dependences,
14636 free_dependence_relation, free_dependence_relations,
14637 free_data_refs): Idem.
14638 * tree-data-ref.h (data_reference_p, subscript_p): New.
14639 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
14640 VEC instead of VARRAY.
14641 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
14642 (find_data_references_in_loop, compute_data_dependences_for_loop,
14643 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
14644 dump_data_dependence_relations, free_dependence_relations,
14645 free_data_refs): Adjust declaration.
14646 (lambda_transform_legal_p): Move declaration here...
14647 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
14648 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
14649 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
14650 vect_analyze_data_refs): Use VEC instead of VARRAY.
14651 * lambda.h (lambda_transform_legal_p): ...from here.
14652 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
14653 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
14654 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
14655 tree-chrec.o): Don't depend on VARRAY_H.
14657 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14659 * rtl.def (Copyright): Update date.
14660 (DEPS_LIST): Change type of the second operand to 'int'.
14661 * target.h (Copyright): Update date.
14662 (struct gcc_target.speculate_insn): Change type of the second parameter
14664 * lists.c (Copyright): Update date.
14665 (alloc_DEPS_LIST): Change signature. Update reference to the second
14666 operand of the DEPS_LIST.
14667 (copy_DEPS_LIST_list): Update reference to the second operand of the
14669 * rtl.h (Copyright): Update date.
14670 (alloc_DEPS_LIST): Update signature.
14671 * sched-int.h (Copyright): Update date.
14672 (ds_t): Change typedef to 'int'.
14673 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14675 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14677 * haifa-sched.c (Copyright): Update date.
14678 (try_ready): Change condition to restore non-speculative pattern
14679 of the instruction.
14680 (process_insn_depend_be_in_spec): Code to keep probability of the
14681 speculative dependence non-decreasing.
14683 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
14685 * regrename.c (replace_oldest_value_addr): Initialize a variable to
14686 shut up the compiler.
14688 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
14690 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
14691 to use lib prefix for target.
14692 ($(T)libic_invalidate_array_4-200.a): Likewise.
14693 ($(T)libic_invalidate_array_4a.a): Likewise.
14695 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
14696 J"orn Rennecke <joern.rennecke@st.com>
14698 * superh.opt: New file.
14699 * sh.c (boardtype, osruntime): Remove.
14700 * superh.h (SUBTARGET_OPTIONS): Remove.
14701 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
14703 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
14704 arguments with ^ and/or [].
14706 * config.gcc (sh-*-*): Add quoting to account for quirk of
14708 Replace == with = in enable_incomplete_targets test.
14710 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
14711 with MASK_LITTLE_ENDIAN.
14713 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
14714 * config/sh/sh.opt: Added to some comments.
14715 * config/sh/superh.h: Removed some chaff.
14717 * config/sh/sh.opt: Add m4-[1234]00* options.
14718 * config/sh/sh.c (sh_handle_option): Likewise.
14719 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
14720 (ic_invalidate_array_4-100.o): New rule.
14721 ($(T)libic_invalidate_array_4-100.a): Likewise.
14722 (ic_invalidate_array_4-200.o): Likewise.
14723 ($(T)libic_invalidate_array_4-200.a): Likewise.
14724 (ic_invalidate_array_4a.o): Likewise.
14725 ($(T)libic_invalidate_array_4a.a): Likewise.
14726 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
14727 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
14729 * config/sh/crt1.asm: Merged in profiling code.
14730 * config/sh/superh.h (STARTFILE_SPEC): Override.
14731 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
14732 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
14733 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
14735 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
14736 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
14737 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
14739 * sh.opt (mpretend-cmove): New option.
14740 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
14741 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
14742 (movsicc): Add TARGET_PRETEND_CMOVE code.
14744 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
14746 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
14747 s390_class_max_nregs): New function prototypes.
14748 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
14749 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
14750 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
14751 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
14753 2006-03-26 Geoffrey Keating <geoffk@apple.com>
14755 * dwarf2out.c (add_location_or_const_value_attribute): Call
14756 tree_add_const_value_attribute if nothing else works.
14757 (reference_to_unused): New.
14758 (rtl_for_decl_init): Use reference_to_unused to decide whether
14759 to output an initializer.
14761 2006-03-27 Alan Modra <amodra@bigpond.net.au>
14764 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
14765 peephole removing spe frob_di_df_2.
14767 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
14769 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
14770 (subscript_dependence_tester_1): Declared.
14771 (print_dir_vectors, print_dist_vectors): New.
14772 (debug_data_dependence_relation): New.
14773 (dump_data_dependence_relation): Print more details.
14774 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
14775 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
14776 (save_dist_v, save_dir_v, add_outer_distances,
14777 build_classic_dist_vector_1): New.
14778 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
14779 Don't test for lambda_vector_lexico_pos.
14780 (same_access_functions, add_multivariate_self_dist,
14781 add_other_self_distances, dir_from_dist): New.
14782 (build_classic_dir_vector): Replace implementation almost identical to
14783 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
14785 (subscript_dependence_tester_1): New.
14786 (subscript_dependence_tester): Handle the lexicographically negative
14787 distance vectors by recomputing the dependence relation.
14788 (compute_affine_dependence): Remove parameter loop_nest_depth.
14789 (compute_self_dependence): Don't call compute_subscript_distance.
14790 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
14791 Add a parameter for the loop_nest.
14792 (find_loop_nest_1, find_loop_nest): New.
14793 (compute_data_dependences_for_loop): Compute the loop nest, and give
14794 up if the nest is not well formed.
14795 * tree-data-ref.h (loop_p): New.
14796 (struct data_dependence_relation): Replace size_vect field with
14797 loop_nest, a vec of loops.
14798 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
14799 (DDR_LOOP_NEST): New.
14800 (print_dir_vectors, print_dist_vectors,
14801 debug_data_dependence_relation): Declared.
14802 (index_in_loop_nest): New.
14803 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
14804 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
14807 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
14809 * simplify-rtx.c (simplify_relational_operation): Call
14810 simplify_relational_operation_1 even if mode is VOIDmode.
14812 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
14814 PR tree-optimization/26804
14815 * tree.h (DECL_CALL_CLOBBERED): New macro.
14816 (tree_decl_common): Add call_clobbered_flag.
14817 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
14818 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
14819 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
14820 (mark_non_addressable): Ditto.
14821 * tree-ssa.c (verify_call_clobbered): New function.
14822 (verify_alias_info): Use it.
14823 * tree-pass.h (pass_reset_cc_flags): New prototype.
14824 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
14825 (reset_cc_flags): New function.
14826 * passes.c (init_optimization_passes): Call reset_cc_flags after
14827 initializing referenced_vars.
14829 2006-03-25 Uros Bizjak <uros@kss-loka.si>
14830 Roger Sayle <roger@eyesopen.com>
14832 PR middle-end/26717
14833 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
14834 to 1.0 for non-real operands. Implement A / A optimization for
14837 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
14839 * config/i386/i386.c (size_cost): Correct the comment for
14840 cost of storing fp registers.
14841 (i386_cost): Likewise.
14842 (i486_cost): Likewise.
14843 (pentium_cost): Likewise.
14844 (pentiumpro_cost): Likewise.
14845 (k6_cost): Likewise.
14846 (athlon_cost): Likewise.
14847 (k8_cost): Likewise.
14848 (pentium4_cost): Likewise.
14849 (nocona_cost): Likewise.
14850 (generic64_cost): Likewise.
14851 (generic32_cost): Likewise.
14853 2006-03-24 Denis Chertykov <denisc@overta.ru>
14855 * config/avr/avr-protos.h (extra_constraint): Delete.
14856 (extra_constraint_Q): New declaration.
14857 * config/avr/constraints.md: New file.
14858 * config/avr/avr.md: Include it.
14859 (REG_X, REG_Y, REG_Z, REG_W): New constants.
14860 (TMP_REGNO, ZERO_REGNO): Likewise.
14861 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
14862 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
14863 (extra_constraint): Delete.
14864 (extra_constraint_Q): Test for memory constraint 'Q'.
14865 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
14866 (REG_CLASS_FROM_LETTER): Delete.
14867 (CONST_OK_FOR_LETTER_P): Delete.
14868 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14869 (EXTRA_CONSTRAINT): Delete.
14870 (TMP_REGNO): Delete.
14871 (ZERO_REGNO): Delete.
14873 2006-03-24 Jeff Law <law@redhat.com>
14875 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
14876 directly. Call mark_new_vars_to_rename slightly earlier.
14878 2006-03-24 Geoffrey Keating <geoffk@apple.com>
14880 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
14881 (is_cxx): Likewise.
14882 (gen_compile_unit_die): Use new language types for Objective-C and
14884 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
14885 DW_LANG_C_plus_plus.
14888 * config/t-darwin (crt3.o): Work around bug 26840.
14889 * config/darwin-crt3.c: Rewrite.
14890 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
14892 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
14894 * doc/invoke.texi: Document -femit-class-debug-always
14895 * common.opt: Add -femit-class-debug-always.
14897 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
14899 * config/s390/s390.c (s390_decompose_address): Allow SImode for
14900 index and base register.
14901 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
14902 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
14903 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
14904 REGNO_OK_FOR_INDEX_P.
14905 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
14907 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
14908 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
14909 REG_OK_FOR_BASE_P): Definitions removed.
14911 2006-03-24 Jakub Jelinek <jakub@redhat.com>
14913 PR middle-end/26611
14914 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
14915 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
14916 set yet or weren't marked as local yet.
14918 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
14920 * regrename.c (scan_rtx_address): Initialize a variable to shut up
14923 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
14925 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
14926 (rs6000_legitimate_small_data_p): Delete.
14927 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
14928 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
14929 and make static. Add forward declaration. Update uses.
14930 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
14931 of offsettable_memref_p.
14932 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
14933 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
14935 2006-03-24 Jeff Law <law@redhat.com>
14937 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
14938 around bug in immediate-use iterator.
14940 2006-03-24 Alan Modra <amodra@bigpond.net.au>
14943 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
14944 or __LITTLE_ENDIAN__.
14946 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
14948 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
14949 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
14950 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
14951 * config/sh/sh.opt (mdiv=): Amend description.
14952 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
14953 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
14954 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
14955 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
14956 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
14957 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
14958 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
14959 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
14960 TARGET_DIVIDE_CALL_FP.
14962 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14964 * haifa-sched.c (choose_ready): Fix type of the local variable.
14965 Move local variables. Add comment.
14966 (check_reg_live): Change signature. Make callable from debugger.
14967 * sched-int.h (check_reg_live): Update signature.
14968 * sched-ebb.c (check_reg_live): Update parameters.
14969 * sched-rgn.c (check_reg_live): Ditto.
14970 (region_head_or_leaf_p): Check pointer before dereferencing.
14971 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
14972 before reload on optimization levels below 1.
14974 2006-03-23 Richard Henderson <rth@redhat.com>
14976 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
14980 * config/alpha/predicates.md (local_symbolic_operand): Reject
14983 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
14986 * tree-ssa-pre.c (create_value_expr_from): Don't reject
14987 expressions which have overflowed constants.
14989 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14991 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
14993 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14995 * cfgloopmanip.c (create_loop_notes): Removed.
14996 * final.c (final_scan_insn): Do not handle loop notes.
14997 * jump.c (squeeze_notes): Ditto.
14998 * cfglayout.c (skip_insns_after_block,
14999 duplicate_insn_chain): Ditto.
15000 * cfgcleanup.c (rest_of_handle_jump2): Do not call
15002 * cfgloop.h (create_loop_notes): Declaration removed.
15004 2006-03-23 Richard Sandiford <richard@codesourcery.com>
15006 * varasm.c (output_constant_pool): Restore fnname and fndecl
15008 (assemble_start_function): Adjust call accordingly.
15009 (assemble_end_function): Likewise.
15011 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15014 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
15017 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
15019 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15022 * system.h (ICE_EXIT_CODE): New macro.
15023 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
15024 (diagnostic_action_after_output): Likewise.
15025 * gcc.c (fatal_ice): New function.
15026 (execute): Use it instead of fatal.
15027 (fancy_abort): Likewise.
15028 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
15030 2006-03-22 Jeff Law <law@redhat.com>
15032 * loop-unroll.c (analyze_iv_to_split_insn): Handle
15033 iv_analyze_result returning false.
15035 2006-03-22 Jie Zhang <jie.zhang@analog.com>
15037 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
15039 2006-03-22 Richard Henderson <rth@redhat.com>
15041 PR middle-end/26084
15042 * except.c (duplicate_eh_regions_0): New.
15043 (duplicate_eh_region_1): Duplicate the children of the node as
15044 well as the node itself. Link them up properly.
15045 (duplicate_eh_region_2): Merge into ...
15046 (duplicate_eh_regions): ... here. Take copy_region argument, and
15047 copy only a sub-tree if asked. Simplify copying and fixup.
15048 (eh_region_outer_p): New.
15049 * except.h (duplicate_eh_regions): Update decl.
15050 (eh_region_outer_p): Declare.
15051 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
15052 (lower_omp_master): Likewise.
15053 (lower_omp_ordered): Likewise.
15054 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
15055 (move_stmt_r): Use it to remap labels. Handle recursion vs
15056 remap_decls_p properly.
15057 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
15058 (find_outermost_region_in_block): New.
15059 (new_label_mapper): New.
15060 (move_sese_region_to_fn): Copy eh information to the new function
15062 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
15064 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
15067 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15069 * doc/md.texi (-mshared): Mention that -mshared code can be linked
15070 into shared libraries.
15072 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15074 * doc/md.texi: Refer to i386/constraints.md instead of
15075 i386/predicates.md.
15076 * config/i386/constraints.md: New file, extracted from...
15077 * config/i386/predicates.md: ...here.
15078 * config/i386/i386.md: Include constraints.md.
15080 2006-03-21 Jason Merrill <jason@redhat.com>
15082 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
15084 PR middle-end/20297
15085 * expr.c (init_block_move_fn): Force default visibility.
15086 (init_block_clear_fn): Likewise.
15087 * builtins.c (expand_builtin_fork_or_exec): Likewise.
15088 * targhooks.c (default_external_stack_protect_fail): Likewise.
15090 2006-03-21 Richard Sandiford <richard@codesourcery.com>
15092 * config/mips/predicates.md (const_call_insn_operand): Allow direct
15093 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
15094 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
15095 Use TARGET_OLDABI instead of !TARGET_NEWABI.
15096 (loadgp): Use mips_current_loadgp_style.
15097 (loadgp_noshared): New pattern.
15098 (sibcall_internal): Use MIPS_CALL.
15099 (sibcall_value_internal): Likewise.
15100 (sibcall_value_multiple_internal): Likewise.
15101 (call_internal): Likewise.
15102 (call_value_internal): Likewise.
15103 (call_value_multiple_internal): Likewise.
15104 (call_split): Use MIPS_CALL and add an 'S' constraint.
15105 (call_value_split): Likewise.
15106 (call_value_multiple_split): Likewise.
15107 * config/mips/mips.opt (-mabicalls): Tweak docstring.
15108 (-mshared): New option.
15109 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
15110 (mips_current_loadgp_style): Declare.
15111 * config/mips/mips.c (mips_classify_symbol): Avoid using
15112 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
15113 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
15114 TARGET_ABSOLUTE_ABICALLS.
15115 (override_options): Adjust comments. Improve the warning that is
15116 issued when -mabicalls and -G are used together.
15117 (mips_file_start): Remove comment.
15118 (mips_current_loadgp_style): New function.
15119 (mips_gnu_local_gp): New variable.
15120 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
15122 (mips_output_function_prologue): Use mips_current_laodgp_style.
15123 (mips_expand_prologue): Call mips_emit_loadgp before emitting
15124 the cprestore instruction.
15125 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
15126 live for TARGET_ABSOLUTE_ABICALLS.
15127 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
15128 (ASM_SPEC): Pass down -mshared and -mno-shared.
15129 (MIPS_CALL): New macro.
15130 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15132 * doc/invoke.texi (-mabicalls): Update documentation.
15133 (-mshared): Document.
15135 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15137 * config/ia64/unwind-hpux.c: New file.
15138 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15140 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15143 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15145 2006-03-21 Jeff Law <law@redhat.com>
15147 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15148 type conversions of a VR_VARYING source to a wider type.
15150 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15152 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15153 tm_file on Solaris 10 and later.
15154 (sparc64-*-solaris2*): Likewise.
15155 (sparc-*-solaris2*): Likewise.
15156 * config/sol26.h: Rename to config/sol2-6.h.
15157 * config/sol2-10.h: New file.
15159 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
15162 * tree-ssa-pre.c (create_component_ref_by_pieces):
15165 2006-03-21 Jakub Jelinek <jakub@redhat.com>
15168 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
15169 return it immediately.
15171 2006-03-21 Michael Matz <matz@suse.de>
15173 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
15175 (remove_arc, add_arc): Update num_out_arcs member.
15176 (set_out_arc_insns_equiv_num): Returns nothing instead of number
15178 (cache_presence): New function.
15179 (compare_states_for_equiv): New function.
15180 (state_is_differed): Don't take number of outargs, adjust callers.
15181 Use new invariant for speeding up.
15182 (init_equiv_class): Create initial classes based on sorted
15184 (partition_equiv_class): Don't track out_arcs_num.
15185 (evaluate_equiv_classes): Call cache_presence on all states and
15188 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
15190 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15191 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15192 (bfin_valid_reg_p): Test for pseudos explicitly and use only
15193 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
15195 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15196 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15197 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15198 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15199 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15201 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15202 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15203 (REGNO_REG_CLASS): ARGP is in PREGS.
15204 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15206 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15207 to deal with those addresses.
15208 * addresses.h: New file.
15209 * caller-save.c: Include "addresses.h".
15210 (init_caller_save): Use new base_reg_class function.
15211 * rtl-factoring.c: Include "addresses.h".
15212 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15213 * recog.c: Include "addresses.h".
15214 (preprocess_constraints): Use new base_reg_class function.
15215 * regrename.c: Include "addresses.h".
15216 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15217 functions. Keep track of a new var INDEX_CODE to compute valid
15219 (replace_oldest_value_addr): Likewise.
15220 (replace_oldest_value_mem): Use base_reg_class.
15221 * reload.c: Include "addresses.h".
15222 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15223 (find_reloads): Use new base_reg_class function.
15224 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15225 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15226 all callers and prototype changed.
15227 * reload1.c: Include "addresses.h".
15228 (maybe_fix_stack_asms): Use base_reg_class.
15229 * regclass.c: Include "addresses.h".
15230 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15231 (init_reg_autoinc): Use new base_reg_class function.
15232 (record_reg_classes): Likewise.
15233 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15234 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
15235 Use new args to compute necessary class.
15237 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15238 regrename.o, rtl-factoring.o): Update dependencies.
15239 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15240 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15241 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15242 REG_OK_FOR_INDEX_P): Delete documentation.
15244 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
15246 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15247 from V7 to V9 for Solaris 7 and above.
15249 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
15251 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15252 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15253 argument pointers may not alias any other storage.
15254 * common.opt: Define option -fargument-noalias-anything.
15255 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15256 alias semantics is specified by flag_argument_noalias > 2.
15258 2006-03-20 Jeff Law <law@redhat.com>
15260 * tree-pass.h (pass_phi_only_copy_prop): Delete.
15261 (pass_phi_only_cprop): Declare.
15262 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
15263 with phi_only_cprop
15264 * tree-ssa-dom.c (degenerate_phi_result): New function.
15265 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
15266 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
15267 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
15268 (eliminate_degenerate_phis): Likewise.
15269 (pass_phi_only_cprop): New pass descriptor.
15270 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
15271 support code. Callers updated.
15272 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
15273 (store_copy_prop): Likewise.
15274 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
15276 2006-03-20 Jason Merrill <jason@redhat.com>
15279 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
15280 (push_visibility, pop_visibility): Likewise.
15281 * c-pragma.h: Declare them.
15283 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
15285 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
15287 * config/sh/sh.c (find_regmode_weight): Change the type of the first
15288 parameter and use get_ebb_head_tail.
15289 (sh_md_init_global): Adjust uses of find_regmode_weight.
15291 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
15293 * function.h (struct function) <x_tail_recursion_reentry>:
15294 Rename to x_stack_check_probe_note.
15295 (tail_recursion_reentry): Rename to stack_check_probe_note.
15296 * function.c: Replace tail_recursion_reentry with
15297 stack_check_probe_note everywhere.
15298 (expand_function_start): Only emit a note for
15299 stack_check_probe_note with -fstack-protect.
15300 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
15302 * emit-rtl.c (remove_unnecessary_notes): Remove.
15303 (pass_remove_unnecessary_notes): Remove.
15304 * rtl.h (remove_unnecessary_notes): Remove prototype.
15305 * final.c (final_start_function): Don't call remove_unnecessary_notes.
15306 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
15307 * passes.c (pass_remove_unnecessary_notes): Don't run it.
15309 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
15312 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
15313 (valid_in_set): Handle ARRAY_REF.
15314 Change "if min_variant or VH" to asserts.
15315 (create_component_ref_by_pieces): Handle ARRAY_REF.
15316 (create_expression_by_pieces): Likewise.
15317 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
15319 2006-03-20 David Edelsohn <edelsohn@gnu.org>
15321 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
15322 is operand of switch, not str[0].
15324 2006-03-20 Alan Modra <amodra@bigpond.net.au>
15326 * config/rs6000/rs6000.c (rs6000_handle_option): Use
15327 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
15329 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15331 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
15332 end of insn_extra_address_constraint declaration.
15334 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15336 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
15337 (no-sum-in-toc): Same.
15338 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
15340 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
15341 NO_FP_IN_TOC for -fPIC instead of mask.
15343 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
15344 (BOOT_LDFLAGS): Delete.
15346 * config/rs6000/t-aix52: Same.
15348 * config/rs6000/rs6000.md (store_multiple_power): Delete.
15349 (stmsi[345678]_power): New.
15351 2006-03-17 Steve Ellcey <sje@cup.hp.com>
15353 * config/ia64/ia64.opt: Add empty line to end of file.
15355 2006-03-17 Richard Guenther <rguenther@suse.de>
15357 PR middle-end/26721
15358 * builtins.c (get_pointer_alignment): For component style references
15359 adjust alignment to the component type alignment. Make sure
15360 to adjust alignment for component access of constants.
15362 2006-03-17 David Edelsohn <edelsohn@gnu.org>
15364 * config/rs6000/rs6000.md (strlensi): Emit barrier after
15365 unconditional jump.
15367 2006-03-17 Paul Brook <paul@codesourcery.com>
15369 * doc/install.texi: Docuemnt --with-mode.
15370 * config.gcc: Add --with-mode for arm*-*-*.
15371 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
15373 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
15375 * sh.c (max_labelno_before_reorg): New variable.
15376 (sh_reorg): Initialize it.
15377 (find_barrier): Check max_labelno_before_reorg before using
15378 label_to_alignment. Take length of explicit alignment insns
15379 into account. When seeing a UNSPECV_CONST_END, return it.
15381 * sh.c (fixup_mova): Set mode of affected label to QImode.
15382 (untangle_mova): New function.
15383 (find_barrier): Use it. Check mode of label before decrementing
15385 (sh_reorg): Likewise.
15386 Set mode of all insns back to VOIDmode.
15388 * sh.c (MOVA_LABELREF): New macro.
15389 (mova_p, fixup_mova, sh_reorg): Use it.
15390 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
15391 ADDR_DIFF_VEC matches mova.
15393 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
15395 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
15396 with ATTRIBUTE_UNUSED.
15398 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
15400 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
15401 pointer, instead of assuming it is possible to derive the
15402 correct args size from a call insn.
15404 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15406 * rtl.h (CONST_INT_P): Define.
15407 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
15408 instead of GET_CODE(x) == CONST_INT.
15409 (vax_rtx_costs): Likewise.
15410 (vax_output_int_move): Likewise.
15411 (vax_output_int_add): Likewise.
15412 (legitimate_constant_address_p): Likewise.
15413 (index_term_p): Likewise.
15414 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15415 * config/vax/vax.md (and<mode>3): Likewise.
15416 (ashrsi3): Likewise.
15418 (movstricthi): Likewise.
15419 (movstrictqi): Likewise.
15420 (rotrsi3): Likewise.
15421 (five unnamed insns): Likewise.
15423 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15425 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15426 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15427 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15428 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15429 Pass to ASM_OUTPUT_DWARF_OFFSET.
15430 * dwarf2out.c (debug_frame_section): New.
15431 (output_call_frame_info): Use debug_frame_section. Pass it to
15432 dw2_asm_output_offset.
15433 (output_die): Pass appropriate section to dw2_asm_output_offset.
15434 (output_compilation_unit_header): Likewise.
15435 (output_pubnames): Likewise.
15436 (output_aranges): Likewise.
15437 (enum dw_val_class): Break dw_val_class_lbl_offset into
15438 dw_val_class_lineptr and dw_val_class_macptr.
15439 (add_AT_lbl_offset): Delete.
15440 (add_AT_lineptr): New.
15441 (add_AT_macptr): New.
15442 (AT_lbl): Expect a lineptr or macptr.
15443 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15444 (attr_checksum): Likewise.
15445 (same_dw_val_p): Likewise.
15446 (size_of_die): Likewise.
15447 (value_format): Likewise.
15448 (output_die): Likewise.
15449 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15451 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15452 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15453 * config/darwin-protos.h (darwin_file_start): New.
15454 (darwin_asm_output_dwarf_offset): New.
15455 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15456 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15458 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15459 if not EH section; simplify.
15460 (darwin_file_start): New.
15461 (darwin_asm_output_dwarf_offset): New.
15462 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15464 (DEBUG_INFO_SECTION): Likewise.
15465 (DEBUG_ABBREV_SECTION): Likewise.
15466 (DEBUG_ARANGES_SECTION): Likewise.
15467 (DEBUG_MACINFO_SECTION): Likewise.
15468 (DEBUG_LINE_SECTION): Likewise.
15469 (DEBUG_LOC_SECTION): Likewise.
15470 (DEBUG_PUBNAMES_SECTION): Likewise.
15471 (DEBUG_STR_SECTION): Likewise.
15472 (DEBUG_RANGES_SECTION): Likewise.
15473 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15474 (ASM_OUTPUT_DWARF_OFFSET): New.
15476 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15478 * config.gcc (tm_defines): Always add to previous value rather
15481 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15483 * config/mips/predicates.md (splittable_const_int_operand): New,
15484 split from move_operand.
15485 (splittable_symbolic_operand): New.
15486 (move_operand): Add commentary. Use splittable_const_int_operand.
15487 Inline mips_atomic_symbolic_constant_p.
15488 * config/mips/mips.md: Add combine splitters for handling moves
15489 of splittable_const_int_operands and splittable_symbolic_operands.
15490 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15491 (mips_split_symbol): Declare.
15492 (mips_move_integer): Declare.
15493 * config/mips/mips.c (mips_split_p): Make global.
15494 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15495 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15496 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15497 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15498 (mips_offset_within_object_p): Handle block symbols.
15499 (mips_atomic_symbolic_constant_p): Delete.
15500 (mips_cannot_force_const_mem): Return false for constants that
15501 mips_legitimize_move can handle.
15502 (mips_use_blocks_for_constant_p): New function.
15503 (mips_split_symbol): Make global.
15504 (mips_move_integer): Likewise. Add a temporary register argument.
15505 (mips_legitimize_const_move): Use splittable_const_int_operand and
15506 splittable_symbolic_operand.
15507 (mips_use_anchors_for_symbol_p): New function.
15508 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15509 (mips_split_p): Declare.
15511 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15513 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15514 (mips*-*-linux*): Likewise.
15516 2006-03-16 Roger Sayle <roger@eyesopen.com>
15517 Daniel Speyer <dspeyer@wam.umd.edu>
15519 PR middle-end/18259
15520 * tree-dump.c (dump_real): New function.
15521 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15522 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15523 (tree-dump.o): Add $(REAL_H) to the dependencies.
15525 2006-03-16 Roger Sayle <roger@eyesopen.com>
15527 PR middle-end/21781
15528 * real.c (real_from_string): If the mantissa is zero, don't bother
15529 parsing the exponent as the result should always be zero.
15531 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15533 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15535 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15537 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15538 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15539 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15540 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15541 ia64_sched_finish_global): New static functions to implement
15542 hooks from gcc_target.sched.
15543 (spec_check_no, max_uid, pending_data_specs): New static variables.
15544 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15545 ia64_spec_check_src_p): New static functions.
15546 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15547 (TARGET_SCHED_ADJUST_COST): Removed.
15548 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15549 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15550 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15551 TARGET_SCHED_GEN_CHECK,
15552 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15553 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15554 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15555 Fixed to handle speculation checks.
15556 (rtx_needs_barrier): Fixed to handle speculative loads and
15558 (ia64_variable_issue): Added code to count speculative loads and their
15560 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15562 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15564 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15566 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15567 (ia64_reorg): Reset stops_p to NULL after it is freed.
15568 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15569 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15570 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15572 (data_speculative, control_speculative, check_load): New attributes.
15573 (mov<mode>_advanced, mov<mode>_speculative,
15574 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15575 zero_extend<mode>di2_speculative,
15576 zero_extend<mode>di2_speculative_advanced): New patterns for
15577 data and control speculative loads.
15578 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15580 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15581 New pattern for data and control speculation checks.
15582 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15583 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15584 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15585 Auxiliary definitions for the patterns.
15586 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15587 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15589 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15591 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15592 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15593 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15594 New resource constraints.
15595 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15597 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15598 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15599 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15600 msched-in-control-spec, msched-ldc, msched-control-ldc,
15601 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15602 msched-prefer-non-control-spec-insns,
15603 msched-count-spec-in-critical-path): New flags to tune speculative
15605 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15606 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15607 msched-in-control-spec, msched-ldc, msched-control-ldc,
15608 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15609 msched-prefer-non-control-spec-insns,
15610 msched-count-spec-in-critical-path): Document new flags.
15612 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15614 * target.h (struct spec_info_def): New opaque declaration.
15615 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15616 speculate_insn, needs_block_p, gen_check,
15617 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15618 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15619 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15620 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15621 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15622 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
15624 (TARGET_SCHED): Use new macros.
15625 * rtl.h (copy_DEPS_LIST_list): New prototype.
15626 * sched-int.h (struct sched_info): Change signature of new_ready field,
15627 adjust all initializations. New fields: add_remove_insn,
15628 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
15629 region_head_or_leaf_p.
15630 (struct spec_info_def): New structure declaration.
15631 (spec_info_t): New typedef.
15632 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
15633 recovery_block, orig_pat.
15634 (glat_start, glat_end): New variables declaraions.
15635 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
15637 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
15638 DETACH_LIFE_INFO, USE_GLAT.
15639 (enum SPEC_SCHED_FLAGS): New enumeration.
15640 (NOTE_NOTE_BB_P): New macro.
15641 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
15642 attach_life_info, debug_spec_status, check_reg_live): New functions.
15643 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
15644 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
15646 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
15647 * ddg.c (get_block_head_tail): Adjust all uses.
15648 * modulo-sched.c (get_block_head_tail): Adjust all uses.
15649 (sms_sched_info): Initialize new fields.
15650 (contributes_to_priority): Removed.
15651 * haifa-sched.c (params.h): New include.
15652 (get_block_head_tail): Adjust all uses.
15653 (ISSUE_POINTS): New macro.
15654 (glat_start, glat_end): New global variables.
15655 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
15656 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
15657 old_last_basic_block, before_recovery, current_sched_info_var,
15658 rgn_n_insns, luid): New static variables.
15659 (insn_cost1): New function. Move logic from insn_cost to here.
15660 (find_insn_reg_weight1): New function. Move logic from
15661 find_insn_reg_weight to here.
15662 (reemit_notes, move_insn, max_issue): Change signature.
15663 (move_insn1): Removed.
15664 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
15665 extend_bb): New static functions to support extension of scheduler's
15667 (generate_recovery_code, process_insn_depend_be_in_spec,
15668 begin_speculative_block, add_to_speculative_block,
15669 init_before_recovery, create_recovery_block, create_check_block_twin,
15670 fix_recovery_deps): New static functions to support
15671 generation of recovery code.
15672 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
15673 restore_bb_notes, move_block_after_check, move_succs): New static
15674 functions to support ebb scheduling.
15675 (init_glat, init_glat1, attach_life_info1, free_glat): New static
15676 functions to support handling of register live information.
15677 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
15678 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
15679 add_jump_dependencies): New static functions.
15680 (check_cfg, has_edge_p, check_sched_flags): New static functions for
15681 consistancy checking.
15682 (debug_spec_status): New function to call from debugger.
15683 (priority): Added code to handle speculation checks.
15684 (rank_for_schedule): Added code to distinguish speculative instructions.
15685 (schedule_insn): Added code to handle speculation checks.
15686 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
15687 Fixed to handle ebbs.
15688 (move_insn): Added code to handle ebb scheduling.
15689 (max_issue): Added code to use ISSUE_POINTS of instructions.
15690 (choose_ready): Added code to choose between speculative and
15691 non-speculative instructions.
15692 (schedule_block): Added code to handle ebb scheduling and scheduling of
15693 speculative instructions.
15694 (sched_init): Initialize new variables.
15695 (sched_finish): Free new variables. Print statistics.
15696 (try_ready): Added code to handle speculative instructions.
15697 * lists.c (copy_DEPS_LIST_list): New function.
15698 * sched-deps.c (extend_dependency_caches): New function. Move logic
15699 from create_dependency_caches to here.
15700 (get_dep_weak, ds_merge): Make global.
15701 * genattr.c (main): Code to output prototype for
15702 dfa_clear_single_insn_cache.
15703 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
15704 (output_dfa_clean_insn_cache_func): Code to output
15705 dfa_clear_single_insn_cache function.
15706 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
15708 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
15710 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
15711 New static variables.
15712 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
15713 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
15715 (ebb_sched_info): Initialize new fields.
15716 (get_block_head_tail): Adjust all uses.
15717 (compute_jump_reg_dependencies): Fixed to use glat_start.
15718 (schedule_ebb): Code to remove unreachable last block.
15719 (schedule_ebbs): Added code to update register live information.
15720 * sched-rgn.c (region_sched_info): Initialize new fields.
15721 (get_block_head_tail): Adjust all uses.
15722 (last_was_jump): Removed. Adjust users.
15723 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
15724 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
15725 Implement new hooks.
15726 (check_dead_notes1): New static function.
15727 (struct region): New fields: dont_calc_deps, has_real_ebb.
15728 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
15729 (BB_TO_BLOCK): Fixed to handle EBBs.
15730 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
15731 (ebb_head): New static variable.
15732 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
15733 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
15735 (compute_dom_prob_ps): New assertion.
15736 (check_live_1, update_live_1): Fixed to work with glat_start instead of
15737 global_live_at_start.
15738 (init_ready_list): New assertions.
15739 (can_schedule_ready_p): Split update code to begin_schedule_ready.
15740 (new_ready): Add support for BEGIN_CONTROL speculation.
15741 (schedule_insns): Fixed code that updates register live information
15743 (schedule_region): Fixed to handle EBBs.
15744 (init_regions): Use extend_regions and check_dead_notes1.
15745 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
15746 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
15747 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
15748 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15749 TARGET_SCHED_GEN_CHECK,
15750 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15751 TARGET_SCHED_SET_SCHED_FLAGS): Document.
15752 * doc/invoke.texi (max-sched-insn-conflict-delay,
15753 sched-spec-prob-cutoff): Document.
15755 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15757 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
15758 inter_tick, queue_index.
15759 (struct sched_info): Change signature of init_ready_list field.
15760 Adjust all initializations.
15761 (RESOLVED_DEPS): New access macro.
15762 (ready_add): Remove prototype.
15763 (try_ready): Add prototype.
15764 * sched-rgn.c (init_ready_list): Use try_ready.
15765 (schedule_region): Initialize
15766 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
15767 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
15768 (init_ready_list): Use try_ready.
15769 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
15770 * lists.c (remove_list_elem): Remove `static'.
15771 (remove_free_INSN_LIST_elem): New function.
15772 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
15773 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
15774 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
15776 (readyp): New variable.
15777 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
15778 change_queue_index, resolve_dep): New static functions.
15779 (try_ready): New function. Adjust callers in sched-rgn.c and
15780 sched-ebb.c to use it instead of ready_add.
15781 (clock_var): Move at the begining of file.
15782 (rank_for_schedule): Fix typo.
15783 (queue_insn): Add assertion. Handle QUEUE_INDEX.
15784 (ready_lastpos): Enforce assertion.
15785 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
15786 update all callers.
15787 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
15788 (schedule_insn): Rewrite to use try_ready and resolve_dep.
15789 (queue_to_ready): Use free_INSN_LIST_list.
15790 (early_queue_to_ready): Fix typo.
15791 (schedule_block): Init readyp. Move init_ready_list call after the
15792 initialization of clock_var. Fix error in rejecting insn by
15793 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
15794 that previously corrected INSN_TICKs. Add code for handling
15796 (set_priorities): Fix typo.
15797 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
15798 Clarify comment and code that keeps current_sched_info->next_tail
15801 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15803 * sched-rgn.c (extend_rgns): New static function.
15804 (find_rgns): Use it.
15805 (gather_region_statistics, print_region_statistics): New static
15807 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
15808 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
15810 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15811 Andrey Belevantsev <abel@ispras.ru>
15813 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
15814 * lists.c (unused_deps_list): New variable.
15815 (free_list): Add assertions to verify the proper distinguishing
15816 between INSN_LISTs and DEPS_LISTs.
15817 (find_list_elem, remove_list_elem, remove_list_node): New static
15819 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
15820 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
15821 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
15822 (alloc_INSN_LIST): Assert that the list we're working on is indeed
15824 (free_INSN_LIST_node): Likewise.
15825 * modulo-sched.c (current_sched_info): Initialize flags field.
15826 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
15827 * rtl.def (DEPS_LIST): Define.
15828 * rtl.h: Declare new functions from lists.c.
15829 * sched-deps.c (spec_dependency_cache): New static variable.
15830 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
15831 (add_dependence): Change return type to void. Move the logic to ...
15832 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
15833 (delete_all_dependences): Add comment about forward_dependency_cache.
15834 Handle spec_dependency_cache. Handle DEPS_LISTs.
15835 (fixup_sched_groups): Clarify the change of priority of output
15836 and anti dependencies.
15837 (sched_analyze_2): Adjust add_dependence calls to create data
15838 speculative dependence.
15839 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
15840 Adjust all callers. Handle DEPS_LISTS.
15841 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
15842 presence of speculation.
15843 (init_dependency_caches, free_dependency_caches):
15844 Handle spec_dependency_cache.
15845 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
15846 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
15847 New static functions.
15848 (add_or_update_back_dep, add_or_update_back_forw_dep,
15849 add_back_forw_dep, delete_back_forw_dep): New functions.
15850 * sched-int.h (ds_t, dw_t): New typedefs.
15851 (struct sched_info): Add new field flags.
15852 (struct haifa_insn_data): Add new bitfield has_internal_dep.
15853 Prototype new sched-deps.c functions.
15854 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
15855 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
15856 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
15857 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
15858 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
15859 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
15861 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
15863 * sched-rgn.c (current_sched_info): Initialize flags field.
15864 (schedule_insns): Initialize current_sched_info before the sched_init
15866 * sched-ebb.c (current_sched_info): Initialize flags field.
15867 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
15868 Call add_or_update_back_dep instead of add_dependence.
15869 Create control speculative dependencies.
15870 (schedule_insns): Initialize current_sched_info before the sched_init
15873 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
15875 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
15877 (sh_fallback_frame_state): Likewise.
15879 2006-03-15 Geoffrey Keating <geoffk@apple.com>
15881 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
15882 Do switch on default_use_cxa_atexit.
15883 (powerpc*-*-darwin*): Build crt2.o on powerpc.
15884 * config/darwin-crt3.o: New.
15885 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
15886 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
15887 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
15889 * config/rs6000/t-darwin: Move crt2.o building to here.
15890 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
15891 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
15894 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15896 * config/vax/vax.c (nonindexed_address_p): Change logical negation
15897 from '! xxx' to '!xxx' for coding-style conformance.
15898 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
15899 (EXTRA_CONSTRAINT): Likewise.
15900 * config/vax/vax.md (four unnamed insns): Likewise.
15902 2006-03-15 Paul Brook <paul@codesourcery.com>
15904 * config/arm/arm.c (minipool_pad): New.
15905 (add_minipool_forward_ref): Include pool alignment padding in address
15907 (push_minipool_fix): Set minipool_pad.
15908 (minipool_pad): Ditto.
15910 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15912 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
15913 instead of GET_CODE() == MEM and REG_P() instead of
15915 (print_operand_address): Likewise.
15916 (vax_address_cost): Likewise.
15917 (vax_rtx_costs): Likewise.
15918 (vax_notice_update_cc): Likewise.
15919 (vax_output_int_add): Likewise.
15920 (INDEX_REGISTER_P): Likewise.
15921 (BASE_REGISTER_P): Likewise.
15922 (nonindexed_address_p): Likewise.
15923 (vax_mode_dependent_address_p): Likewise.
15924 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
15925 (PRINT_OPERAND): Likewise.
15926 * config/vax/vax.md (ashlsi3): Likewise.
15927 (ashlsi3): Likewise.
15928 (some more unnamed insns): Likewise.
15930 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
15932 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
15933 iterator-style macro.
15934 (mark_control_dependent_edges_necessary): Update the use of
15935 EXECUTE_IF_CONTROL_DEPENDENT.
15937 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
15939 * config/sh/predicates.md (cache_address_operand): Special.
15940 (ua_address_operand): Likewise.
15942 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
15944 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
15946 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
15948 2006-03-15 Andreas Schwab <schwab@suse.de>
15950 * gensupport.c (identify_predicable_attribute): Don't free p_false
15951 when it is still in use.
15953 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
15955 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
15956 the default setting here.
15958 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
15960 * tree-pass.h (pass_cfg): Remove.
15961 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
15962 * passes.c (pass_cfg): Don't run it.
15964 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
15966 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
15967 * reg-stack.c (stack_regs_mentioned_data): Change the type to
15969 (stack_regs_mentioned): Update the uses of
15970 stack_regs_mentioned_data. Don't access the array beyond its
15972 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
15973 Don't include gt-reg-stack.h.
15975 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
15976 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
15978 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
15980 PR middle-end/26684
15981 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
15984 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15986 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
15988 2006-03-14 Richard Guenther <rguenther@suse.de>
15990 PR tree-optimization/26672
15991 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
15994 2006-03-14 Richard Guenther <rguenther@suse.de>
15996 PR tree-optimization/26667
15997 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
15998 node for the callees. Always allow inlining if it will shrink
16001 2006-03-14 Richard Guenther <rguenther@suse.de>
16003 PR middle-end/26659
16004 * builtins.c (get_pointer_alignment): Prefer alignment
16005 information from decls over that from types.
16007 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
16010 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
16012 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
16014 * config/rs6000/rs6000.opt (mdlmzb): New option.
16015 (msched-prolog, msched-epilog): Use Var not Mask.
16016 * doc/invoke.texi (-mdlmzb): Document.
16017 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16019 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
16020 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
16022 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
16024 PR rtl-optimization/25739
16025 * bt-load.c (augment_live_range): Free tos pointer.
16027 * gensupport.c (identify_predicable_attribute): Free
16029 * gcov.c (create_file_names): Free name pointer.
16031 2006-03-13 Roger Sayle <roger@eyesopen.com>
16033 PR middle-end/26557
16034 * stmt.c (emit_case_nodes): Handle the case where the index is a
16035 CONST_INT, where the comparison mode is specified by the index type.
16037 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16039 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
16042 2006-03-13 Richard Sandiford <richard@codesourcery.com>
16044 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
16045 (*branch_fp_inverted): Likewise.
16047 2006-03-13 Jakub Jelinek <jakub@redhat.com>
16049 PR middle-end/25989
16050 * omp-low.c (expand_omp_for_generic): Mark istart0
16051 and iend0 as addressable.
16053 2006-03-13 Jie Zhang <jie.zhang@analog.com>
16055 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
16057 2006-03-13 Jeff Law <law@redhat.com>
16059 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
16060 virtual operands are interesting.
16061 (vrp_visit_stmt): Corresponding changes.
16063 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
16065 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
16067 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
16068 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
16069 * config/bfin/crti.S: Use it instead of __PIC__.
16070 * config/bfin/crtn.S: Likewise.
16072 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
16073 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
16075 Lose 'G' modifier for call operand.
16076 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
16077 recognize 'G' modifier.
16079 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
16081 PR middle-end/18859
16082 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
16083 * stmt.c (expand_case): Likewise.
16085 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16087 PR rtl-optimization/26254
16088 * loop-invariant.c (seq_insns_valid_p): New function.
16089 (move_invariant_reg): Only emit new code if it is valid.
16091 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16093 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
16095 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
16096 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
16097 (commit_one_edge_insertion): Do not look for loop notes.
16099 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16101 * jump.c (follow_jumps): Do not check for loop notes. Move check for
16102 flag_test_coverage out of loop.
16104 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16106 * final.c (shorten_branches): Remove outdated comment, and turn
16107 the if branch that guards it to continue.
16109 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16111 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
16112 * cfgloop.h (struct loop): Remove unused fields.
16114 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
16116 * doc/invoke.texi (-fdump-rtl-loop): Remove.
16117 (-dL, -fdump-rtl-loop2): Update the dump file names
16119 * doc/invoke.texi: Update dump file names.
16121 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
16123 * predict.c (estimate_probability): Remove.
16124 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
16125 * basic-block.h (estimate_probability): Remove prototype.
16126 * passes.c (finish_optimization_passes): Dump branch prediction or
16127 profiling heuristics to the .profile tree dump.
16128 (init_optimization_passes): Unqueue pass_branch_prob.
16130 * doc/invoke.texi (-fdump-rtl-bp): Remove.
16132 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16134 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16135 * rtl.h (LABEL_NEXTREF): Remove field accessor.
16137 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
16139 * function.h (frame_offset_overflow): Declare.
16140 * function.c (frame_offset_overflow): New function.
16141 (assign_stack_local_1): Call it to detect that the offset overflows.
16142 * cfgexpand.c (alloc_stack_frame_space): Likewise.
16144 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16146 * config/sh/sh.c: Include alloc-pool.h.
16147 (label_ref_list_pool): New alloc pool.
16148 (label_ref_list_t): New type for lists of labels.
16149 (struct pool_node): Make wend a label_ref_list_t.
16150 (add_constant): Use the new type, eradicate LABEL_NEXTREF
16152 (dump_table): Likewise.
16153 (sh_reorg): Set up the alloc pool before using add_constant and
16154 dump_table, and destroy it when finishing.
16156 2006-03-11 Richard Sandiford <richard@codesourcery.com>
16158 * config/mips/mips.c: Remove redundant comment.
16160 2006-03-10 Jason Merrill <jason@redhat.com>
16163 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16164 the target was declared 'register'.
16166 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
16168 * genpreds.c (write_insn_constraint_len): Change definition of
16169 insn_constraint_len to return size_t to match the declaration.
16171 2006-03-10 DJ Delorie <dj@redhat.com>
16173 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16175 (m32c_expand_insv): Fix test for an AND mask.
16177 2006-03-10 Richard Guenther <rguenther@suse.de>
16179 PR middle-end/26565
16180 * builtins.c (get_pointer_alignment): Handle component
16181 references for field alignment.
16183 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16185 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16186 when building with libgloss.
16187 (sh*elf): Implement --without-fp option.
16188 (sh64-superh-linux*): Don't multilib.
16190 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16192 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16194 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
16196 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16197 Set it when one of the replacement functions returned true.
16198 Return TODO_cleanup_cfg if cfgchanged is true.
16199 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16201 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
16203 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16204 instead of gen_lowpart.
16206 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16208 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16210 (mips_output_order_conditional_branch): Declare.
16211 * config/mips/mips.h (MIPS_BRANCH): New macro.
16212 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16213 for the comparison. Use gen_condjump.
16214 (mips_output_conditional_branch): Rework interface to take the
16215 asm templates for a direct branch and the inverse of a direct branch.
16216 (mips_output_order_conditional_branch): New function.
16217 (mips_builtin_branch_and_move): New function.
16218 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
16219 branch condition. Use gen_single_cc as the condition for
16220 __builtin_mips_upper_* or __builtin_mips_lower_*.
16221 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16222 Use VOIDmode for the branch condition.
16223 * config/mips/predicates.md (order_operator): New predicate.
16224 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16225 (branch_fp): Rename to...
16226 (*branch_fp): ...this. Remove mode from comparison operator.
16227 Use new mips_output_conditional_branch interface.
16228 (branch_fp_inverted): Rename to...
16229 (*branch_fp_inverted): ...this and update as for *branch_fp.
16230 (*branch_zero<mode>): Rename to...
16231 (*branch_order<mode>): ...this. Remove mode from comparison operator.
16232 Use mips_output_order_conditional_branch. Only accept ordered
16234 (*branch_zero<mode>_inverted): Rename to...
16235 (*branch_order<mode>_inverted): ...this and update as for
16236 *branch_order<mode>.
16237 (*branch_equality<mode>): Accept zero as the second operand to
16238 the equality operator. Use the new mips_output_conditional_branch
16240 (*branch_equality<mode>_inverted): Likewise.
16241 (condjump): New expander.
16242 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16244 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16245 (bc1any2t, bc1any2f): Likewise.
16246 (single_cc): New expander.
16247 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16249 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16251 * doc/md.texi: Update documentation of MIPS constraints.
16252 * config/mips/constraints.md: New file.
16253 * config/mips/mips.md: Include it.
16254 * config/mips/mips.c (mips_char_to_class): Delete.
16255 (override_options): Don't initialize mips_char_to_class.
16256 * config/mips/mips.h (mips_char_to_class): Delete.
16257 (REG_CLASS_FROM_LETTER): Delete.
16258 (CONST_OK_FOR_LETTER_P): Delete.
16259 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
16260 (EXTRA_CONSTRAINT_Y): Delete.
16261 (EXTRA_CONSTRAINT_STR): Delete.
16262 (CONSTRAINT_LEN): Delete.
16263 (EXTRA_MEMORY_CONSTRAINT): Delete.
16265 2006-03-09 Diego Novillo <dnovillo@redhat.com>
16267 * tree-cfg.c (move_block_to_fn): Remove the statements from the
16268 original fn's eh regions.
16270 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
16272 * fold-const.c (build_range_check): Make sure to use a valid type to
16273 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
16276 (range_predecessor): New static function.
16277 (range_successor): Likewise.
16278 (merge_ranges): Use them to compute predecessors and successors of
16281 2006-03-09 Roger Sayle <roger@eyesopen.com>
16283 PR middle-end/26561
16284 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16285 X op C3, consider whether C3 overflows towards +Inf or -Inf.
16287 2006-03-08 DJ Delorie <dj@redhat.com>
16289 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
16290 (addpsi3): Expand to include memory operands. Remove
16291 reload-specific splits.
16292 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
16293 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
16294 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
16295 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16296 (shift1_qi, shift1_hi, insv): New.
16297 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
16298 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
16299 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
16301 * config/m32c/m32c-protos.h: Update as needed.
16302 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
16303 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
16304 Fail for unrecognized R* constraints.
16305 (m32c_cannot_change_mode_class): Be more picky about pseudos.
16306 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
16307 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
16309 (m32c_init_libfuncs): New.
16310 (m32c_legitimate_address_p): Add debug wrapper.
16311 (m32c_rtx_costs): New.
16312 (m32c_address_cost): New.
16313 (conversions): Add 'B' prefix.
16314 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
16315 operands, or word regnames for QI operands. 'B' prints bit
16317 (m32c_expand_setmemhi): New.
16318 (m32c_expand_movmemhi): New.
16319 (m32c_expand_movstr): New.
16320 (m32c_expand_cmpstr): New.
16321 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
16322 (m32c_expand_neg_mulpsi3): Handle non-ints.
16323 (m32c_cmp_flg_0): New.
16324 (m32c_expand_movcc): New.
16325 (m32c_expand_insv): New.
16326 (m32c_scc_pattern): New.
16327 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
16328 a0/a1 out of SIregs.
16329 (STORE_FLAG_VALUE): New.
16330 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
16333 * config/m32c/mov.md: Make constraints more liberal.
16334 (zero_extendqihi2): Optimize r0/r1 case.
16335 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
16336 * config/m32c/predicates.md (m32c_any_operand): New.
16337 (m32c_nonimmediate_operand): New.
16338 (m32c_hl_operand): New.
16339 (m32c_r3_operand): New.
16342 (memsym_operand): New.
16343 (memimmed_operand): New.
16344 (a_qi_operand): New.
16345 (m32c_eqne_operator): New.
16346 (m32c_1bit8_operand): New.
16347 (m32c_1bit16_operand): New.
16348 (m32c_1mask8_operand): New.
16349 (m32c_1mask16_operand): New.
16350 * config/m32c/blkmov.md: New file.
16351 * config/m32c/t-m32c (MD_FILES): Add blkmov.
16353 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
16355 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
16356 unsigned to fix signed/unsigned comparison issue in
16357 DWARF2_FRAME_REG_OUT.
16358 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
16359 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
16361 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
16362 of ptr into the ENABLE_CHECKING section.
16364 2006-03-08 Jeff Law <law@redhat.com>
16366 * tree-vrp.c (infer_value_range): Only count pointer uses
16367 and dereferences if -fdelete-null-pointer-checks is enabled.
16369 * tree-vrp.c (find_assert_locations): Infer value ranges for
16370 single use pointers, but do not create ASSERT_EXPRs for them.
16371 When a non-null range is inferred for a pointer, backwards
16372 propagate that range to other equivalent pointers through the
16375 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
16378 * Makefile.in (dvi, html, install-info): Invoke the corresponding
16379 language hook targets.
16380 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
16381 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
16382 if language hook targets were missing.
16384 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
16386 * tree-ssa-opfinalize.h: Removed.
16387 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
16389 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
16390 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
16391 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
16392 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
16393 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
16394 finalize_ssa_v_must_def_ops): New.
16396 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
16398 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
16399 block as parameter.
16401 2006-03-07 Geoffrey Keating <geoffk@apple.com>
16403 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
16405 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
16406 addresses with offsets; reorganize.
16408 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
16409 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16410 (expand_builtin_init_dwarf_reg_sizes): Likewise.
16412 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16415 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16417 2006-03-08 Ben Elliston <bje@au.ibm.com>
16419 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16421 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16424 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16427 2006-03-07 Richard Guenther <rguenther@suse.de>
16429 PR tree-optimization/26587
16430 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16432 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16434 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16436 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16438 * hooks.c (hook_bool_mode_rtx_true): New function.
16439 * hooks.h (hook_bool_mode_rtx_true): Declare.
16440 * toplev.c (compile_file): Call output_shared_constant_pool.
16441 * varasm.c (shared_constant_pool): New variable.
16442 (assemble_start_function, assemble_end_function): Remove arguments
16443 from call to output_constant_pool.
16444 (create_constant_pool): New function, split out from...
16445 (init_varasm_status): ...here.
16446 (force_const_mem): Choose between the shared and per-function constant
16447 pools. Set current_function_uses_const_pool when reusing old entries
16448 as well as when creating new ones.
16449 (mark_constant): Ignore data argument.
16450 (mark_constants): Remove pool argument.
16451 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16452 to decide whether the function uses a constant pool.
16453 (output_constant_pool_contents): New function, split out from...
16454 (output_constant_pool): ...here.
16455 (output_shared_constant_pool): New function.
16456 (init_varasm_once): Initialize shared_constant_pool.
16457 * output.h (output_constant_pool): Delete.
16458 (output_shared_constant_pool): Declare.
16459 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16460 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16462 2006-03-06 Nick Clifton <nickc@redhat.com>
16464 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16465 flag_strength_reduce.
16467 2006-03-06 Ben Elliston <bje@au.ibm.com>
16469 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16470 x86_64-*-linux* configurations.
16472 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16473 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16475 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16477 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16479 * basic-block.h: Remove the extern for
16480 rediscover_loops_after_threading.
16482 * cfgloop.c (cancel_loop): Make it static.
16483 * cfgloop.h: Remove the prototype for cancel_loop.
16485 * flow.c (recompute_reg_usage): Make it static.
16486 * rtl.h: Remove the prototype for recompute_reg_usage.
16488 * function.c (use_return_register): Make it static.
16489 * function.h: Remove the prototype.
16491 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16493 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16495 * recog.h: Remove the prototype for
16496 validate_change_maybe_volatile.
16498 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16500 * rtlanal.c (replace_reg): Remove.
16501 * rtl.h: Remove the prototype for replace_reg.
16503 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16505 * regclass.c (reg_scan_update): Remove.
16506 (reg_scan_mark_refs): Remove the last argument.
16507 * rtl.h: Remove the prototype for reg_scan_update.
16509 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16511 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16512 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16513 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16514 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16515 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16516 loop-invariant.c, omp-low.c, opts.c, passes.c,
16517 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16518 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16519 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16520 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16521 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16522 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16524 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16526 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16527 * dwarf2out.h: Remove the prototype for
16528 dwarf2out_add_library_unit_info.
16530 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16532 * tree.c (add_var_to_bind_expr): Remove.
16533 * tree.h: Remove the prototype for add_var_to_bind_expr.
16535 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16537 * regclass.c (n_non_fixed_regs): Remove.
16538 (init_reg_sets_1, globalize_reg): Remove all uses of
16540 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16542 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16544 * rtlanal.c (insns_safe_to_move_p): Remove.
16545 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16547 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16549 * expmed.c (expand_mult_add): Remove.
16550 * expr.h: Remove the prototype for expand_mult_add.
16552 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16554 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16555 and REG_SAVED_VAL_EXP constants.
16556 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16557 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16558 Handle regs stored by value.
16559 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16560 (execute_cfa_program): Handle DW_CFA_val_offset,
16561 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16562 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16563 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16564 (uw_install_context_1): Handle target regs stored by value.
16566 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16568 * tree-sra.c (tree_sra): Return todoflags;
16569 (generate_one_element): Set TODO_update_smt_usage if needed.
16570 (pass_sra): Remove TODO_update_smt_usage.
16571 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16573 (tree_ssa_forward_propagate_single_use_vars): Return
16574 TODO_update_smt_usage if we need to update SMT usage.
16575 (pass_forwprop): Remove TODO_update_smt_usage.
16577 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16579 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16580 (correct_use_link): Remove reference to get_stmt_operands.
16581 (update_stmt_operands): Likewise.
16582 (get_modify_expr_operands): New function factored out of
16583 parse_ssa_operands and get_expr_operands.
16584 Try to create V_MUST_DEFs for LHS by default.
16585 (get_expr_operands) <case MODIFY_EXPR>: Call
16586 get_modify_expr_operands.
16587 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16588 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16589 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16590 get_modify_expr_operands.
16592 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16594 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16595 * tree-flow.h: Remove the prototype for
16596 referenced_var_lookup_if_exists.
16598 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16600 PR rtl-optimization/26345
16602 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16604 2006-03-03 Roger Sayle <roger@eyesopen.com>
16606 PR tree-optimization/26524
16607 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16608 fold_convert to create a constant of the appropriate type.
16610 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16612 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16613 SYMBOL_REF_IN_BLOCK_P.
16614 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16615 of SYMBOL_FLAG_IN_BLOCK.
16616 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16617 instead of SYMBOL_REF_IN_BLOCK_P.
16618 * explow.c (use_anchored_address): Likewise.
16619 * rtl.c (rtx_size): Likewise.
16620 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16621 instead of SYMBOL_FLAG_IN_BLOCK.
16622 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16623 SYMBOL_REF_IN_BLOCK_P.
16624 (assemble_variable): Likewise.
16625 (output_constant_def_contents): Likewise.
16626 (output_constant_pool): Likewise.
16627 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
16628 instead of SYMBOL_FLAG_IN_BLOCK.
16629 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16630 SYMBOL_REF_IN_BLOCK_P.
16631 (SYMBOL_REF_BLOCK): Likewise.
16632 (SYMBOL_REF_OFFSET): Likewise.
16633 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16634 SYMBOL_REF_IN_BLOCK_P.
16635 (SYMBOL_FLAG_IN_BLOCK): Replace with...
16636 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
16637 (SYMBOL_REF_IN_BLOCK_P): Replace with...
16638 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
16640 2006-03-03 Jakub Jelinek <jakub@redhat.com>
16642 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
16644 2006-03-02 Roger Sayle <roger@eyesopen.com>
16646 * simplify-rtx.c (simplify_unary_operation): When simplifying
16647 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
16648 that we perform the right shift in the appropriate mode, and
16649 then extend or truncate the result to requested mode.
16651 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
16653 * gengtype.c (main): Handle double_int type.
16654 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
16655 * double-int.c: New file.
16656 * double-int.h: New file.
16657 * system.h: Include doubleint.h.
16658 * Makefile.in (SYSTEM_H): Include double-int.h.
16659 (double-int.o): Add.
16661 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
16664 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
16667 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16669 * tree-vrp.c (remove_range_assertions): Do not update statements
16672 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16674 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
16676 * gcse.c (rest_of_handle_gcse): Ditto.
16677 * except.c (gate_handle_eh): Ditto.
16678 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
16679 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
16681 2006-03-02 Eric Christopher <echristo@apple.com>
16683 * config/i386/i386.c (machopic_output_stub): Add indirection to
16686 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16690 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
16692 Sun Niagara specific optimizations.
16693 * config.gcc: Recognize niagara as target.
16694 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
16695 (TARGET_CPU_niagara): Define.
16696 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
16697 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
16698 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16699 (ASM_CPU_SPEC): Likewise.
16700 (PROCESSOR_NIAGARA): New enum entry.
16701 (REGISTER_MOVE_COST): Handle Niagara.
16702 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
16703 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
16704 (sparc_override_options): Recognize "niagara", set appropriate
16705 default MASK_* values for it, and align functions to 32-bytes
16706 by default just like ULTRASPARC/ULTRASPARC3.
16707 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
16708 (sparc64_initialize_trampoline): Likewise.
16709 (sparc_use_sched_lookahead): Use zero for niagara.
16710 (sparc_issue_rate): Use one for niagara.
16711 * config/sparc/niagara.md: New file.
16712 * config/sparc/sparc.md: Include it.
16713 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
16714 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
16715 when default cpu is niagara.
16716 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16717 (ASM_CPU_SPEC): Likewise.
16718 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
16719 when default cpu is niagara.
16720 (ASM_CPU_SPEC): Handle -mcpu=niagara.
16721 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
16722 just like v9/ultrasparc/ultrasparc3.
16723 * doc/invoke.texi: Add documentation for "niagara" and improve
16724 existing documentation for ultrasparc variants.
16726 2006-03-02 Diego Novillo <dnovillo@redhat.com>
16728 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
16730 2006-03-02 Richard Sandiford <richard@codesourcery.com>
16732 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
16733 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
16734 and say that only one is needed.
16735 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
16736 * target.h (have_switchable_bss_sections): New hook.
16737 * explow.c (use_anchored_address): Check that the symbol is in a block.
16738 * varasm.c (tls_comm_section, comm_section, lcomm_section)
16739 (bss_noswitch_section): New variables.
16740 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
16741 (get_noswitch_section): New function.
16742 (get_block_for_section): Allow SECT to be null.
16743 (unlikely_text_section_p): Use SECTION_STYLE.
16744 (bss_initializer_p): New function.
16745 (get_variable_section): Move earlier in file. Take a new argument,
16746 prefer_noswitch_p. Move bss checks from assemble_variable to here.
16747 Return one of the new *_sections in such cases.
16748 (get_block_for_decl): New function, extracting some logic from
16749 use_blocks_for_decl_p.
16750 (change_symbol_section): Remove in favor of...
16751 (change_symbol_block): ...this new function.
16752 (use_blocks_for_decl_p): Remove checks now performed by
16753 get_block_for_decl.
16754 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
16755 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
16756 (emit_local, emit_bss, emit_common): ...these new functions.
16757 Return true if the alignment was honored.
16758 (emit_tls_common): New function.
16759 (asm_emit_uninitialised): Delete.
16760 (assemble_variable_noswitch): New function, split out from...
16761 (assemble_variable): ...here. Don't make decisions about common
16762 variables here. Globalize all public decls that go into non-common
16763 sections. Check whether SYMBOL_REF_BLOCK is null.
16764 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
16765 (output_constant_pool): Likewise.
16766 (init_varasm_once): Initialize the new section variables.
16767 (have_global_bss_p): New function.
16768 (categorize_decl_for_section): Use bss_initializer_p.
16769 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
16770 (place_block_symbol): Assert that the symbol must be in a block.
16771 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
16772 (TARGET_INITIALIZER): Include it.
16773 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
16774 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
16775 (SECTION_MACH_DEP): Bump by two.
16776 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
16777 (unnamed_section): Mention SECTION_UNNAMED in comment.
16778 (named_section): Likewise SECTION_NAMED.
16779 (noswitch_section_callback): New type.
16780 (noswitch_section): New structure.
16781 (section): Add a noswitch_section alternative.
16782 (SECTION_STYLE): New macro.
16783 (tls_comm_section, comm_section, lcomm_section): Declare.
16784 (bss_noswitch_section, have_global_bss_p): Declare.
16785 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16786 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16788 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16789 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16792 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
16794 * tree-vrp.c (execute_vrp): Return value.
16795 * regrename.c (rest_of_handle_regrename): Ditto.
16796 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
16797 * tree-complex.c (tree_lower_complex): Ditto.
16798 (tree_lower_complex_O0): Ditto.
16799 * tracer.c (rest_of_handle_tracer): Ditto.
16800 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
16801 * postreload.c (rest_of_handle_postreload): Ditto.
16802 * tree-tailcall.c (execute_tail_recursion): Ditto.
16803 (execute_tail_calls): Ditto.
16804 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16805 * tree.h (init_function_for_compilation): Ditto.
16806 * ipa-cp.c (ipcp_driver): Ditto.
16807 * tree-scalar-evolution.c (scev_const_prop): Ditto.
16808 * tree-scalar-evolution.h (scev_const_prop): Ditto.
16809 * final.c (compute_alignments): Ditto.
16810 (rest_of_handle_final): Ditto.
16811 (rest_of_handle_shorten_branches): Ditto.
16812 (rest_of_clean_state): Ditto.
16813 * omp-low.c (execute_expand_omp): Ditto.
16814 (execute_lower_omp): Ditto.
16815 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
16816 * ipa-reference.c (static_execute): Ditto.
16817 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
16818 * reorg.c (rest_of_handle_delay_slots): Ditto.
16819 (rest_of_handle_machine_reorg): Ditto.
16820 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
16821 * flow.c (recompute_reg_usage): Ditto.
16822 (rest_of_handle_remove_death_notes): Ditto.
16823 (rest_of_handle_life): Ditto.
16824 (rest_of_handle_flow2): Ditto.
16825 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
16826 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
16827 (do_ssa_store_ccp): Ditto.
16828 (execute_fold_all_builtins): Ditto.
16829 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
16830 * modulo-sched.c (rest_of_handle_sms): Ditto.
16831 * ipa-pure-const.c (static_execute): Ditto.
16832 * cse.c (rest_of_handle_cse): Ditto.
16833 (rest_of_handle_cse2): Ditto.
16834 * web.c (rest_of_handle_web): Ditto.
16835 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
16836 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
16837 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
16838 * tree-nrv.c (tree_nrv): Ditto.
16839 (execute_return_slot_opt): Ditto.
16840 * tree-ssa-alias.c (compute_may_aliases): Ditto.
16841 (create_structure_vars): Ditto.
16842 * loop-init.c (rtl_loop_init): Ditto.
16843 (rtl_loop_done): Ditto.
16844 (rtl_move_loop_invariants): Ditto.
16845 (rtl_unswitch): Ditto.
16846 (rtl_unroll_and_peel_loops): Ditto.
16847 (rtl_doloop): Ditto.
16848 * gimple-low.c (lower_function_body): Ditto.
16849 (mark_used_blocks): Ditto.
16850 * tree-ssa-sink.c (execute_sink_code): Ditto.
16851 * ipa-inline.c (cgraph_decide_inlining): Ditto.
16852 (cgraph_early_inlining): Ditto.
16853 * global.c (rest_of_handle_global_alloc): Ditto.
16854 * jump.c (cleanup_barriers): Ditto.
16855 (purge_line_number_notes): Ditto.
16856 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
16857 (rest_of_handle_if_after_reload): Ditto.
16858 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
16859 (tree_ssa_loop_im): Ditto.
16860 (tree_ssa_loop_unswitch): Ditto.
16861 (tree_vectorize): Ditto.
16862 (tree_linear_transform): Ditto.
16863 (tree_ssa_loop_ivcanon): Ditto.
16864 (tree_ssa_empty_loop): Ditto.
16865 (tree_ssa_loop_bounds): Ditto.
16866 (tree_complete_unroll): Ditto.
16867 (tree_ssa_loop_prefetch): Ditto.
16868 (tree_ssa_loop_ivopts): Ditto.
16869 (tree_ssa_loop_done): Ditto.
16870 * predict.c (tree_estimate_probability): Ditto.
16871 * recog.c (split_all_insns_noflow): Ditto.
16872 (rest_of_handle_peephole2): Ditto.
16873 (rest_of_handle_split_all_insns): Ditto.
16874 * tree-eh.c (lower_eh_constructs): Ditto.
16875 * regmove.c (rest_of_handle_regmove): Ditto.
16876 (rest_of_handle_stack_adjustments): Ditto.
16877 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
16878 * function.c (instantiate_virtual_regs): Ditto.
16879 (init_function_for_compilation): Ditto.
16880 (rest_of_handle_check_leaf_regs): Ditto.
16881 * gcse.c (rest_of_handle_jump_bypass): Ditto.
16882 (rest_of_handle_gcse): Ditto.
16883 * ipa-type-escape.c (type_escape_execute): Ditto.
16884 * alias.c (rest_of_handle_cfg): Ditto.
16885 * tree-if-conv.c (main_tree_if_conversion): Ditto.
16886 * profile.c (rest_of_handle_branch_prob): Ditto.
16887 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
16888 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
16889 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
16890 * tree-dfa.c (find_referenced_vars): Ditto.
16891 * except.c (set_nothrow_function_flags): Ditto.
16892 (convert_to_eh_region_ranges): Ditto.
16893 (rest_of_handle_eh): Ditto.
16894 * emit-rtl.c (unshare_all_rtl): Ditto.
16895 (remove_unnecessary_notes): Ditto.
16896 * except.h (set_nothrow_function_flags): Ditto.
16897 (convert_to_eh_region_ranges): Ditto.
16898 * cfgexpand.c (tree_expand_cfg): Ditto.
16899 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
16900 * tree-ssa-pre.c (do_pre): Ditto.
16901 (execute_fre): Ditto.
16902 * cfgcleanup.c (rest_of_handle_jump): Ditto.
16903 (rest_of_handle_jump2): Ditto.
16904 * tree-sra.c (tree_sra): Ditto.
16905 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
16906 (execute_mudflap_function_decls): Ditto.
16907 * tree-ssa-copy.c (do_copy_prop): Ditto.
16908 (do_store_copy_prop): Ditto.
16909 * ipa-prop.h (ipcp_driver): Ditto.
16910 * cfglayout.c (insn_locators_initialize): Ditto.
16911 * tree-ssa-forwprop.c
16912 (tree_ssa_forward_propagate_single_use_vars): Ditto.
16913 * cfglayout.h (insn_locators_initialize): Ditto.
16914 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
16915 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
16916 (execute_late_warn_uninitialized): Ditto.
16917 * rtl.h (cleanup_barriers): Ditto.
16918 (split_all_insns_noflow): Ditto.
16919 (purge_line_number_notes): Ditto.
16920 (unshare_all_rtl): Ditto.
16921 (remove_unnecessary_notes): Ditto.
16922 (recompute_reg_usage): Ditto.
16923 (variable_tracking_main): Ditto.
16924 * integrate.c (emit_initial_value_sets): Ditto.
16925 * integrate.h (emit_initial_value_sets): Ditto.
16926 * tree-optimize.c (execute_free_datastructures): Ditto
16927 (execute_free_cfg_annotations): Ditto.
16928 (execute_fixup_cfg): Ditto.
16929 (execute_cleanup_cfg_pre_ipa): Ditto.
16930 (execute_cleanup_cfg_post_optimizing): Ditto.
16931 (execute_init_datastructures): Ditto.
16932 * tree-object-size.c (compute_object_sizes): Ditto.
16933 * combine.c (rest_of_handle_combine): Ditto.
16934 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
16935 * bb-reorder.c (duplicate_computed_gotos): Ditto.
16936 (rest_of_handle_reorder_blocks): Ditto.
16937 (rest_of_handle_partition_blocks): Ditto.
16938 * var-tracking.c (variable_tracking_main): Ditto.
16939 * tree-profile.c (tree_profiling): Ditto.
16940 * tree-vect-generic.c (expand_vector_operations): Ditto.
16941 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
16942 * sched-rgn.c (rest_of_handle_sched): Ditto.
16943 (rest_of_handle_sched2): Ditto.
16944 * basic-block.h (free_bb_insn): Ditto.
16945 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
16946 * tree-cfg.c (execute_build_cfg): Ditto.
16947 (remove_useless_stmts): Ditto.
16948 (split_critical_edges): Ditto.
16949 (execute_warn_function_return): Ditto.
16950 (execute_warn_function_noreturn): Ditto.
16951 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
16952 * cfgrtl.c (free_bb_for_insn): Ditto.
16953 * passes.c (execute_one_pass): Run additional
16954 todos returned by execute function.
16955 * tree-pass.h (struct tree_opt_pass): Make execute
16958 2006-03-02 Richard Guenther <rguenther@suse.de>
16960 * tree-ssa-alias.c (find_used_portions): Consider taking
16961 the address as making the variable not write-only.
16963 2006-03-02 Nick Clifton <nickc@redhat.com>
16965 * config.gcc (default_use_cxa_atexit): Extend the description of
16966 this configure variable. Set its default value to "yes" for
16967 Linux, NetBSD and ELF targets on the assumption that they will
16968 use C libraries with the __cxa_atexit function.
16970 2006-03-02 Ben Elliston <bje@au.ibm.com>
16972 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
16973 parameter as unused to suppress a build warning.
16975 2006-03-02 Ben Elliston <bje@au.ibm.com>
16977 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
16980 2006-03-01 Roger Sayle <roger@eyesopen.com>
16983 * gthr-posix.h (__gthrw2): Define to take three parameters, the
16984 declared name, the weak reference name, and the typeof name.
16985 (__gthrw): Avoid expanding the declared name suffix.
16986 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
16988 2006-03-01 Jakub Jelinek <jakub@redhat.com>
16990 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
16992 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
16993 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
16994 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
16995 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
16996 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
16997 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
16998 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
16999 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
17000 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
17001 DW_DS_leading_separate, DW_DS_trailing_separate): New.
17002 (DW_END_default, DW_END_big, DW_END_little): New.
17003 (DW_END_lo_user, DW_END_hi_user): Define.
17004 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
17005 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
17006 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
17009 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17011 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
17013 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
17015 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
17017 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
17019 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
17020 to 'symbol_mem_tag'.
17022 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
17025 2006-03-01 Roger Sayle <roger@eyesopen.com>
17027 * builtins.c (fold_builtin_copysign): Delete unreachable code.
17029 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17032 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
17033 MACHO_DYNAMIC_NO_PIC_P.
17034 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
17036 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17039 * config/darwin-protos.h (darwin_asm_output_anchor):
17041 * config/darwin-sections.def (cstring_section):
17042 Add SECTION_MERGE to the flags.
17043 (literal4_section): Likewise.
17044 (literal8_section): Likewise.
17045 (objc_selector_refs_section): Likewise.
17046 (objc_cls_refs_section): Likewise.
17047 * config/darwin.c (darwin_asm_output_anchor): New
17049 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17051 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
17053 Fix PR tree-optimization/26443
17054 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
17055 to todo and PROP_tmt_usage to properties_destroyed.
17056 * tree-ssa-ccp.c (pass_ccp): Ditto.
17057 (pass_store_ccp): Ditto.
17058 * tree-ssa-dom.c (pass_dominator): Ditto.
17060 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17062 * tree-ssa-operands.c: Cleanup whitespace.
17063 (get_asm_expr_operands): Move before first invocation.
17064 (get_indirect_ref_operands): Likewise.
17065 (get_tmr_operands): Likewise.
17066 (get_call_expr_operands): Likewise.
17067 (append_def): Likewise.
17068 (append_use): Likewise.
17069 (append_v_may_def): Likewise.
17070 (append_v_must_def): Likewise.
17071 (add_call_clobber_ops): Likewise.
17072 (add_call_read_ops): Likewise.
17073 (add_stmt_operand): Likewise.
17074 (add_virtual_operand): Likewise.
17075 (build_ssa_operands): Likewise.
17077 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17079 PR middle-end/26022
17081 PR middle-end/24437
17082 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17083 with a call expr to ...
17084 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17086 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17088 * tree-vrp.c (extract_range_from_assert): Remove special
17089 handling for types with super-types.
17091 2006-03-01 Ben Elliston <bje@au.ibm.com>
17093 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
17094 and powerpc64-*-linux* configurations.
17095 * config/t-dfprules: New file.
17097 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
17098 Compile dfp-bit.c from the source directory using -DWIDTH and
17099 $DFP_CFLAGS to control the compilation of that file, rather than
17100 generating width-specific versions in the build directory.
17101 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
17102 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
17104 2006-02-28 Zack Weinberg <zackw@panix.com>
17106 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
17109 2006-02-28 Eric Christopher <echristo@apple.com>
17111 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
17112 Set up IN_LIBGCC definition of TARGET_64BIT.
17113 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
17115 2006-02-28 Roger Sayle <roger@eyesopen.com>
17117 PR middle-end/14752
17118 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
17119 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
17120 cases via the construction of "expr != 0".
17122 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
17124 * alias.c (alias_invariant, alias_invariant_size): Remove.
17125 (record_base_value): Remove.
17126 (memrefs_conflict_p): Don't look at alias_invariant.
17127 (end_alias_analysis): Don't free it.
17128 * alias.h (record_base_value): Remove prototype.
17130 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
17131 Adam Nemet <anemet@caviumnetworks.com>
17133 * rtl.h (truncated_to_mode): Declare it.
17134 (struct rtl_hooks): Add reg_truncated_to_mode hook.
17135 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17136 (RTL_HOOKS_INITIALIZER): Include it.
17137 * rtlhooks.c (reg_truncated_to_mode_general): New function.
17138 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17139 reg_truncated_to_mode.
17140 * rtlanal.c (truncated_to_mode): Define it.
17141 * simplify-rtx.c (simplify_unary_operation_1): Use it.
17143 2006-02-28 Jeff Law <law@redhat.com>
17145 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17146 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17147 the range allowed by TYPE_PRECISION.
17149 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
17151 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
17153 PR tree-optimization/26419
17154 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17157 2006-02-27 Zack Weinberg <zackw@panix.com>
17159 * doc/md.texi: Fix typo in previous change.
17161 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
17165 2006-02-27 Zack Weinberg <zackw@panix.com>
17167 * rtl.def (define_constraint, define_register_constraint)
17168 (define_memory_constraint, define_address_constraint): New MD forms.
17169 * gensupport.c (process_rtx): Put define_constraint etc on the
17171 * genpreds.c (process_define_predicate): Adjust comment. Validate
17172 the name, and call validate_exp to validate the expression.
17173 (mark_mode_tests, write_extract_subexp): Can assume correct input.
17174 (write_predicate_expr): Likewise. NAME argument no longer necessary;
17175 all callers changed.
17176 (validate_exp, needs_variable, struct constraint_data)
17177 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17178 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17179 (const_dbl_constraints, constraint_max_namelen)
17180 (have_register_constraints, have_memory_constraints)
17181 (have_address_constraints, have_address_constraints)
17182 (have_extra_constraints, have_const_int_constraints)
17183 (have_const_dbl_constraints, mangle, add_constraint)
17184 (process_define_constraint, process_define_register_constraint)
17185 (write_enum_constraint_num, write_lookup_constraint)
17186 (write_insn_constraint_len, write_regclass_for_constraint)
17187 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17188 (write_insn_extra_memory_constraint)
17189 (write_insn_extra_address_constraint)
17190 (write_satisfies_constraint_fns): New.
17191 (write_tm_preds_h): If we have new-style constraint definitions,
17192 prototype the functions generated from them, and define the
17193 old constraint interface (still used by generic code) in terms of
17195 (write_insn_preds_c): If we have new-style constraint definitions,
17196 generate all relevant functions from those definitions.
17197 (main): Handle define_constraint etc.
17198 * genoutput.c (struct constraint_data, indep_constraints)
17199 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17200 (mdep_constraint_len): New data structures and functions, defined
17201 #ifdef USE_MD_CONSTRAINTS.
17202 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17203 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17204 use new logic to validate operand constraints against constraint
17206 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17208 * defaults.h: If none of the old-style constraint macros are
17209 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17210 old-style macros; and poison REG_CLASS_FROM_LETTER,
17211 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17213 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17214 * doc/md.texi: Document new constraint-definition mechanism and the
17215 C interface it provides. Remove references to old mechanism
17216 elsewhere in the document.
17217 (Machine Constraints): Use pathnames relative to gcc directory,
17218 i.e. config/ARCH/FILE. Change i386 section to refer to
17219 config/i386/predicates.md; update that section to match docstrings.
17220 * doc/tm.texi: Move all documentation of the old constraint-
17221 definition macros to their own section, clearly mark as obsolete.
17223 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17224 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17226 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17227 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17228 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17229 constraint strings.
17230 (splits and peepholes): Use satisfies_constraint_*.
17231 * config/i386/i386.c (memory_address_length)
17232 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17234 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17236 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17237 scalar operation to be put back into the loop.
17239 2006-02-27 Jakub Jelinek <jakub@redhat.com>
17242 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17243 (extract_cie_info): Handle S flag in augmentation string.
17244 (execute_cfa_program): If context->signal_frame, execute also
17245 fs->pc == context->ra instructions.
17246 (uw_frame_state_for): If context->signal_frame, don't subtract one
17247 from context->ra to find FDE.
17248 (uw_update_context_1): Set context->signal_frame to
17250 (_Unwind_GetIPInfo): New function.
17251 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17252 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17254 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17255 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17256 * unwind-compat.c (_Unwind_GetIPInfo): New function.
17257 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17258 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
17259 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
17260 * config/i386/linux-unwind.h (x86_fallback_frame_state,
17261 x86_64_fallback_frame_state): Set fs->signal_frame.
17262 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
17263 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
17264 (frob_update_context): Likewise. Workaround missing S flag in
17265 Linux 2.6.12 - 2.6.16 kernel vDSOs.
17266 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
17267 Remove the psw_addr + 1 hack.
17269 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17271 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
17272 with aggregates here.
17273 (find_func_aliases): Remove code for &<aggregate> from here.
17275 2006-02-26 Roger Sayle <roger@eyesopen.com>
17277 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
17278 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
17279 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
17280 as (X & C) ne/eq 0.
17282 2006-02-26 Roger Sayle <roger@eyesopen.com>
17284 PR middle-end/19983
17285 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
17287 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
17289 * opts.c (decode_options): Do not handle flag_strength_reduce.
17290 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
17291 and OPT_fstrength_reduce.
17292 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
17293 flag_prefetch_loop_arrays for being nonzero.
17294 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
17296 (fprefetch-loop-arrays-rtl): Removed.
17297 (flag_prefetch_loop_arrays): Do not specify the value.
17299 * doc/passes.texi: Update documentation of loop optimizer
17301 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
17302 -frerun-loop-opt): Remove.
17304 2006-02-26 Richard Guenther <rguenther@suse.de>
17306 PR tree-optimization/26421
17307 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
17308 in function calls that are ADDR_EXPRs as using the whole structure.
17310 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
17312 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
17313 * tree-pass.h (pass_loop_optimize): Remove.
17314 * passes.c (pass_loop_optimize): Never run it.
17315 * toplev.c (backend_init): Don't call init_loop.
17316 * opts.c (flag_loop_optimize_set): Remove.
17317 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
17318 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
17319 the old RTL loop optimizer when profiling enabled.
17320 * predict.c (tree_estimate_probability): Always strip builtin_expect.
17321 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
17322 pre-headers for the sake of the old RTL loop optimizer.
17323 * Makefile.in: Remove all references to loop.o.
17325 * doc/invoke.texi: Remove all references to -floop-optimize
17326 and -frerun-loop-opt.
17328 2006-02-26 Zack Weinberg <zackw@panix.com>
17330 * doc/md.texi (Machine Constraints): Refer to all files with paths
17331 relative to gcc directory (i.e. config/CPU/file). Add missing
17332 @table @code ... @end table to M32C subsection.
17334 2006-02-26 Roger Sayle <roger@eyesopen.com>
17336 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
17338 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
17340 2006-02-26 Roger Sayle <roger@eyesopen.com>
17341 James A. Morrison <phython@gcc.gnu.org>
17343 PR middle-end/21137
17344 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
17345 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
17346 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
17347 signedness of the shift operation.
17349 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
17351 PR tree-optimization/26359
17352 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
17354 2006-02-25 Roger Sayle <roger@eyesopen.com>
17356 * simplify-rtx.c (simplify_relational_operation_1): Simplify
17357 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
17358 as X == 0, and some symmetry related transformations.
17359 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
17361 2006-02-25 Roger Sayle <roger@eyesopen.com>
17363 PR middle-end/23673
17364 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
17365 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
17366 symmetry related transformations. Fold (X^C1) == C2 as
17369 2006-02-25 Juergen Weigert <jw@suse.de>
17370 Richard Guenther <rguenther@suse.de>
17372 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
17374 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
17376 * combine.c (gen_lowpart_or_truncate): Call
17377 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
17379 2006-02-24 Diego Novillo <dnovillo@redhat.com>
17381 * doc/invoke.texi: Move -fopenmp description to "Options for
17383 Remove reference to -lgomp.
17385 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17387 * doc/install.texi: Require GNU tar version 1.14.
17389 2006-02-24 Geoffrey Keating <geoffk@apple.com>
17391 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
17392 * doc/invoke.texi (C++ Dialect Options): Document
17393 -fno-use-cxa-get-exception-ptr.
17394 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
17395 * configure: Regenerate.
17396 * c.opt (fuse-cxa-get-exception-ptr): New.
17397 * c-opts.c (c_common_handle_option): Handle
17398 OPT_fuse_cxa_get_exception_ptr.
17399 * c-common.c (flag_use_cxa_atexit): Update documentation.
17400 (flag_use_cxa_get_exception_ptr): New.
17401 * c-common.h (flag_use_cxa_get_exception_ptr): New.
17402 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
17404 (C_COMMON_OVERRIDE_OPTIONS): New.
17406 2006-02-24 Roger Sayle <roger@eyesopen.com>
17408 PR middle-end/24952
17409 * combine.c (try_combine): Explicitly check whether GET_CODE is
17410 a SET or a CLOBBER, instead on checking that it isn't a USE.
17412 2006-02-24 Roger Sayle <roger@eyesopen.com>
17414 * fold-const.c (fold_comparison): New subroutine of fold_binary
17415 containing transformations common to both the equality and
17416 ordering relational operators, factored out of fold_binary.
17417 (fold_binary): Separate out the equality operators (EQ_EXPR
17418 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17419 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17420 transformations common to both.
17421 (fold_div_compare): Fix latent bugs in the previously unreachable
17422 LT_EXPR and GE_EXPR cases.
17424 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17426 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17427 decl libname for clog to __clog on AIX.
17429 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17431 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17434 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17435 output traceback table for thunks. Localise rs6000_stack_info call.
17437 2006-02-23 Roger Sayle <roger@eyesopen.com>
17438 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17440 * gthr-posix.h (__gthrw): Fix typo in comment.
17442 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17444 * doc/cpp.texi (Character sets): Document that we do support
17445 input files to be in any character set.
17447 2006-02-23 Jeff Law <law@redhat.com>
17449 * tree.h (PHI_ARG_NONZERO): Remove.
17450 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17451 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17452 node to the new node.
17454 PR tree-optimization/26425
17455 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17456 min/max, then assume its varying.
17458 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17460 PR rtl-optimization/26316
17461 * rtlanal.c (enum may_trap_p_flags): New.
17462 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17463 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17464 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17465 (may_trap_after_code_motion_p): New function.
17466 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17467 (find_invariant_insn): Use may_trap_after_code_motion_p.
17468 * rtl.h (may_trap_after_code_motion_p): Declare.
17470 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17472 * emit-rtl.c (immed_double_const): Cleanup.
17474 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17476 Fix PR tree-optimization/26376
17477 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17480 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17482 PR middle-end/26412
17483 * gimplify.c (omp_add_variable): Guard variable size decl test with
17484 DECL_SIZE (decl) check.
17486 2006-02-23 Richard Guenther <rguenther@suse.de>
17488 PR middle-end/26439
17489 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17490 like aggregate types.
17492 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17494 * configure.ac: Add --with{,out}-long-double-128 configure option.
17495 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17496 * configure: Rebuilt.
17497 * config.in: Rebuilt.
17498 * doc/install.texi (Options specification): Document
17499 --with-long-double-128.
17501 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17502 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17503 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17504 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17506 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17508 * config/s390/s390.c (override_options): Handle
17509 TARGET_DEFAULT_LONG_DOUBLE_128.
17511 * config/alpha/alpha.c (override_options): Handle
17512 TARGET_DEFAULT_LONG_DOUBLE_128.
17514 * config/sparc/sparc.c (sparc_override_options): Handle
17515 TARGET_DEFAULT_LONG_DOUBLE_128.
17517 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17519 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17520 (real-install-headers-tar, real-install-headers-cpio)
17521 (real-install-headers-cp): New targets.
17523 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17525 * tree.h (variable_section): Delete.
17526 * varasm.c (variable_section): Delete.
17528 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17530 * install.texi: Add notes on install.texi2html.
17531 (Building in parallel): Do not use footnotes.
17533 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17536 * doc/install.texi (Configuration): Document --disable-libgomp.
17538 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17540 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17542 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17544 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17545 (vec_extractv2df_0_sse): New.
17547 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17549 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17550 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17551 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17552 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17553 to the result of the expression.
17554 (def_cfa_1): Adjust.
17555 (frame_pointer_cfa_offset): Rename to...
17556 (frame_pointer_fb_offset): ... this. Adjust all uses.
17557 (convert_cfa_to_loc_list): Rename to...
17558 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17559 Pass it on to build_cfa_loc.
17560 (compute_frame_pointer_to_cfa_displacement): Rename to...
17561 (compute_frame_pointer_to_fb_displacement): ... this. New
17562 offset parameter. Use it in computation.
17563 (gen_subprogram_die): Compute cfa_fb_offset with the new
17564 macro, and use it to compute the fb loc list and the
17567 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17569 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17570 replaced with register_operand.
17571 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17572 non-DREG is expensive.
17573 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17574 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17577 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17579 * doc/install.texi2html: Use set -e.
17581 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17583 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17584 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17585 * doc/invoke.texi (-fshared-data): Delete.
17586 * common.opt (fshared-data): Delete.
17587 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17588 (assemble_static_space): Remove #if 0 code.
17589 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17590 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17591 * config/cris/cris.h: Remove FIXME.
17593 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17595 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17598 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17600 PR middle-end/26379
17601 * combine.c (simplify_shift_const_1): Disable nested shifts
17602 optimization for vector shifts.
17604 2006-02-20 Roger Sayle <roger@eyesopen.com>
17606 PR tree-optimization/26361
17607 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17608 of unsigned integer types.
17610 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17612 * tree-chrec.c (eq_evolutions_p): New.
17613 * tree-chrec.h (eq_evolutions_p): Declared.
17614 * tree-data-ref.c: Fix formatting.
17615 (datadep_stats, dependence_stats): New.
17617 (print_direction_vector): New.
17618 (dump_data_dependence_relation): Use print_direction_vector.
17619 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17620 (compute_subscript_distance): Static.
17621 (initialize_data_dependence_relation): Static. Get the number
17622 of loops surrounding the references from the callers, and initialize
17623 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
17624 base_object_differ_p analyzers.
17625 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
17626 compute_overlap_steps_for_affine_1_2,
17627 analyze_subscript_affine_affine): Count the classified dependences.
17628 Print a message when a test failed.
17629 (can_use_analyze_subscript_affine_affine): New.
17630 (analyze_siv_subscript): Compute the data dependences on symbolic
17631 scevs that verify can_use_analyze_subscript_affine_affine.
17632 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
17633 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
17634 Handle symbolic scevs.
17635 (analyze_overlapping_iterations): Let symbolic affine scevs to be
17637 (subscript_dependence_tester): Moved...
17638 (build_classic_dist_vector, build_classic_dir_vector): Don't use
17639 lambda_vector_clear on newly allocated vectors. Get nb_loops from
17640 DDR_SIZE_VECT instead of getting it in parameter.
17641 (subscript_dependence_tester): ... here. Take as a parameter
17642 loop_nest_depth. Call build_classic_dist_vector and
17643 build_classic_dir_vector.
17644 (compute_affine_dependence): Update subscript_dependence_tester
17645 parameters. Update datadep_stats counters. Call
17646 compute_subscript_distance.
17647 (compute_self_dependence): Save the dist and dir vectors. Call
17648 compute_subscript_distance.
17649 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
17650 (compute_all_dependences): Reorder parameters as they were before
17651 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
17652 compute_subscript_distance. Update the use of
17653 compute_affine_dependence and initialize_data_dependence_relation.
17654 (find_data_references_in_loop): Handle COMPONENT_REF.
17655 (compute_data_dependences_for_loop): Initialize dependence_stats.
17656 Don't call build_classic_dist_vector and build_classic_dir_vector.
17657 Update the parameters of initialize_data_dependence_relation and
17658 compute_all_dependences. Print the statistics from datadep_stats.
17659 (analyze_all_data_dependences): Static. Not used until the pass for
17660 checking the data dependences is contributed.
17661 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
17662 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
17663 (initialize_data_dependence_relation, compute_affine_dependence,
17664 analyze_all_data_dependences, compute_subscript_distance): Removed.
17665 (print_direction_vector): New.
17666 * lambda.h (gcd): ... here.
17667 (lambda_vector_gcd): Moved here from gcd_vector.
17668 * lambda-code.c (gcd, gcd_vector): Removed.
17669 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
17670 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
17672 2006-02-20 Diego Novillo <dnovillo@redhat.com>
17674 * ipa-type-escape.c: Tidy some comments and white space.
17675 * tree-ssa-operands.c: Likewise.
17677 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
17680 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
17681 (dump_decl_name): Do not walk the decl tree chains.
17682 * tree-pass.h (TDF_CHAIN): Remove.
17684 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17686 * Makefile.in (C): Remove
17688 (.PHONY): Remove C and PROTO
17690 2006-02-20 Roger Sayle <roger@eyesopen.com>
17692 PR middle-end/26236
17693 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
17694 deprecated CHAR_TYPE tree code.
17696 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17698 * configure.ac (target_list): Add install-info, dvi, html.
17699 * configure: Regenerate.
17701 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
17702 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
17703 treelang/Make-lang.in: Do not use double-colon rules.
17705 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
17707 * tree.h (struct tree_memory_tag): Add is_used_alone member.
17708 (TMT_USED_ALONE): New macro.
17709 * tree-pass.h (PROP_tmt_usage): New property.
17710 (TODO_update_tmt_usage): New todo.
17711 * tree-ssa-alias.c (updating_used_alone): New variable.
17712 (recalculate_used_alone): New function.
17713 (compute_may_aliases): Set updating_used_alone, call
17714 recalculate_used_alone.
17715 * tree-sra.c (pass_sra): Note that this pass destroys
17716 PROP_tmt_usage, and add TODO_update_tmt_usage.
17717 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
17718 * tree-flow.h (updating_used_alone): Prototype.
17719 (recalculate_used_alone): Ditto.
17720 * passes.c (execute_todo): Add code to set updating_used_alone,
17721 and call recalculate.
17722 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
17723 for clobber if used alone, and add assert to verify used_alone
17726 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
17728 * config/s390/s390.c (legitimize_pic_address): Assertions checking
17729 for non tls symbols added.
17730 (legitimize_address): Do nothing for PLUS expressions if one of the
17731 addends is a tls symbol reference.
17733 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17737 * Makefile.in (LDFLAGS): Define from autoconf substitution.
17739 * Makefile.in (BOOTSTRAPPING): New.
17740 (quickstrap): New definition if BOOTSTRAPPING=yes.
17742 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
17743 * configure.ac: Substitute all_selected_languages with the languages
17744 that were configured. For all the other variables except
17745 lang_specs_files, include all the languages in the tree.
17746 * configure: Regenerate.
17748 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
17749 if there is one. Run the commands to run fixincludes in the same
17752 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
17753 * doc/install.texi: Document exact conventions for searching target tools.
17754 Document --with-build-time-tools. Document toplevel bootstrap. Document
17755 something more about building an Ada cross-compiler. Don't list GNU Make
17756 requirements which affect all platforms.
17758 2006-02-19 Roger Sayle <roger@eyesopen.com>
17760 PR middle-end/19543
17761 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
17762 only equivalent if the have both the same mode and precision.
17764 2006-02-20 Ben Elliston <bje@au.ibm.com>
17766 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
17768 2006-02-19 Roger Sayle <roger@eyesopen.com>
17769 Steven Bosscher <stevenb.gcc@gmail.com>
17771 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
17772 constant pool references to identify stack mode constants.
17773 * rtlanal.c (constant_pool_constant_p): New predicate to check
17774 whether operand is a floating point constant in the pool.
17775 * rtl.h (constant_pool_constant_p): Prototype here.
17776 * loop.c (scan_loop): Avoid hoisting constants from the constant
17777 pool on STACK_REGS targets.
17778 (load_mems): Likewise.
17779 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
17780 loads into x87 registers expensive in terms of register pressure.
17782 2006-02-19 Roger Sayle <roger@eyesopen.com>
17784 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
17785 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
17787 2006-02-19 David Edelsohn <edelsohn@gnu.org>
17789 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17790 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
17792 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
17794 * doc/invoke.texi: Document -fipa-pta.
17795 * common.opt: Add ipa-pta option.
17796 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
17797 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
17798 (do_ds_constraint): Ditto.
17799 (get_constraint_for): Only add to referenced_vars if
17800 referenced_vars exists.
17801 (insert_into_field_list): Rewrite to do this unsorted.
17802 (insert_into_field_list_sorted): Rename old insert_into_field_list
17804 (create_function_info_for): Use insert_into_field_list_sorted.
17805 (create_variable_info_for): Rewrite so it uses unsorted version,
17806 since the field list is sorted.
17807 (intra_create_variable_infos): Only add to referenced_vars if
17808 referenced_vars exists.
17809 (ipa_pta_execute): Init heapvars, and delete when done.
17810 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
17812 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17814 * doc/install.texi: Add missing `@samp'.
17816 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17818 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
17821 2006-02-18 Mark Wielaard <mark@klomp.org>
17823 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
17824 who added new 4.1 features, bug fixes and integration support.
17826 2006-02-18 David Edelsohn <edelsohn@gnu.org>
17829 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
17830 MEM for ABI_V4 pic.
17832 2006-02-18 Richard Sandiford <richard@codesourcery.com>
17834 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
17835 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
17836 (copy_insn_1): Likewise. Don't copy each field individually.
17838 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
17840 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
17841 * rtl.c (rtx_size): Rename variable to...
17842 (rtx_code_size): ...this.
17843 (rtx_size): New function.
17844 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
17845 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
17847 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
17848 * rtl.h (rtx_code_size): New variable.
17849 (rtx_size): Change from a variable to a function.
17850 (RTX_SIZE): Rename to...
17851 (RTX_CODE_SIZE): ...this.
17854 PR tree-optimization/17106
17855 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
17856 (Anchored Addresses): New section.
17857 * doc/invoke.texi (-fsection-anchors): Document.
17858 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
17859 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
17860 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
17861 * hooks.c (hook_bool_mode_rtx_false): New function.
17862 * hooks.h (hook_bool_mode_rtx_false): Declare.
17863 * gengtype.c (create_optional_field): New function.
17864 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
17865 SYMBOL_REF_IN_BLOCK_P is true.
17866 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
17867 (min_anchor_offset, max_anchor_offset): Likewise.
17868 (use_anchors_for_symbol_p): New hook.
17869 * toplev.c (compile_file): Call output_object_blocks.
17870 (target_supports_section_anchors_p): New function.
17871 (process_options): Check that -fsection-anchors is only used on
17872 targets that support it and when -funit-at-a-time is in effect.
17873 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
17874 if the decl doesn't have one.
17875 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
17876 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
17877 of force_const_mem through use_anchored_address.
17878 (expand_expr_constant): New function.
17879 (expand_expr_addr_expr_1): Call it. Use the same modifier when
17880 calling expand_expr for INDIRECT_REF.
17881 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
17882 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
17883 * expr.h (use_anchored_address): Declare.
17884 * loop-unroll.c: Don't declare rtx vectors here.
17885 * explow.c: Include output.h.
17886 (validize_mem): Call use_anchored_address.
17887 (use_anchored_address): New function.
17888 * common.opt (-fsection-anchors): New switch.
17889 * varasm.c (object_block_htab, anchor_labelno): New variables.
17890 (hash_section, object_block_entry_eq, object_block_entry_hash)
17891 (use_object_blocks_p, get_block_for_section, create_block_symbol)
17892 (use_blocks_for_decl_p, change_symbol_section): New functions.
17893 (get_variable_section): New function, split out from assemble_variable.
17894 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
17895 use_blocks_for_decl_p say so. Use change_symbol_section if the
17896 symbol has already been created.
17897 (assemble_variable_contents): New function, split out from...
17898 (assemble_variable): ...here. Don't output any code for
17899 block symbols; just pass them to place_block_symbol.
17900 Use get_variable_section and assemble_variable_contents.
17901 (get_constant_alignment, get_constant_section, get_constant_size): New
17902 functions, split from output_constant_def_contents.
17903 (build_constant_desc): Create a block symbol if use_object_blocks_p
17904 says so. Or into SYMBOL_REF_FLAGS.
17905 (assemble_constant_contents): New function, split from...
17906 (output_constant_def_contents): ...here. Don't output any code
17907 for block symbols; just pass them to place_section_symbol.
17908 Use get_constant_section and get_constant_alignment.
17909 (force_const_mem): Create a block symbol if use_object_blocks_p and
17910 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
17911 (output_constant_pool_1): Add an explicit alignment argument.
17912 Don't switch sections here.
17913 (output_constant_pool): Adjust call to output_constant_pool_1.
17914 Switch sections here instead. Don't output anything for block symbols;
17915 just pass them to place_block_symbol.
17916 (init_varasm_once): Initialize object_block_htab.
17917 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
17918 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
17919 (place_block_symbol, get_section_anchor, output_object_block)
17920 (output_object_block_htab, output_object_blocks): New functions.
17921 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
17922 (TARGET_ASM_OUT): Include it.
17923 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
17924 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
17925 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
17926 (TARGET_INITIALIZER): Include them.
17927 * rtl.c (rtl_check_failed_block_symbol): New function.
17928 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
17929 (block_symbol, object_block): New structures.
17930 (rtx_def): Add a block_symbol field to the union.
17931 (BLOCK_SYMBOL_CHECK): New macro.
17932 (rtl_check_failed_block_symbol): Declare.
17933 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
17934 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
17935 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
17936 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
17937 * output.h (output_section_symbols): Declare.
17938 (object_block): Name structure.
17939 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
17940 (default_use_anchors_for_symbol_p): Declare.
17941 * Makefile.in (RTL_BASE_H): Add vec.h.
17942 (explow.o): Depend on output.h.
17943 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
17944 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
17945 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
17946 (rs6000_use_blocks_for_constant_p): New function.
17948 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17950 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
17952 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17955 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
17958 2006-02-18 Diego Novillo <dnovillo@redhat.com>
17960 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
17964 2006-02-18 Jakub Jelinek <jakub@redhat.com>
17966 PR middle-end/26334
17967 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
17968 instead of DECL_REGISTER.
17970 2006-02-18 Olivier Hainque <hainque@adacore.com>
17973 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
17975 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
17978 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
17979 * opth-gen.awk: Handle Var and InverseMask together.
17980 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
17981 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
17982 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
17983 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
17985 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17986 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17987 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
17988 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17989 LINUX_DYNAMIC_LINKER): Define.
17990 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
17991 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
17993 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17994 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
17995 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17996 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17997 (TARGET_C99_FUNCTIONS): Don't define.
17998 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
17999 GLIBC_DYNAMIC_LINKER.
18000 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
18001 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
18002 GLIBC_DYNAMIC_LINKER64): Define.
18003 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18004 LINUX_DYNAMIC_LINKER64.
18005 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18006 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18007 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
18008 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18009 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18010 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18011 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
18012 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
18013 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
18014 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
18015 and LINUX_DYNAMIC_LINKER32.
18016 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18017 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18018 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
18019 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18020 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
18022 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
18023 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
18024 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18025 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18026 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18027 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
18028 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
18029 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
18030 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18031 LINUX_DYNAMIC_LINKER): Define.
18032 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
18033 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
18034 GLIBC_DYNAMIC_LINKER64): Define.
18035 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18036 LINUX_DYNAMIC_LINKER64.
18037 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18038 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18039 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
18040 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18041 LINUX_DYNAMIC_LINKER): Define.
18042 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18043 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18044 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
18045 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
18046 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
18047 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18048 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
18049 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
18050 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18051 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18052 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18053 * doc/invoke.texi (-muclibc): Remove caveat about supported
18056 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
18058 * doc/cpp.texi (__TIMESTAMP__): Document.
18060 2006-02-17 Roger Sayle <roger@eyesopen.com>
18062 PR middle-end/25600
18063 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
18064 C is one less than the width of X (and related transformations).
18065 * simplify-rtx.c (simplify_unary_operation_1): Transform
18066 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
18067 depending on STORE_FLAG_VALUE, were C is one less then the
18070 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
18072 Fix PR tree-optimization/26341
18073 * tree-ssa-operands.c (add_virtual_operand): Remove assert
18074 about NAME_MEMORY_TAG's.
18076 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18079 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
18080 with hardware float support, and software float support. Add fcpy
18081 alternative to hardware patterns. Add alternatives to copy between
18082 general and floating-point registers to the 32-bit pattern.
18083 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
18084 secondary reload to load a QI or HI mode constant into a floating
18086 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
18087 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
18089 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
18092 * config/rs6000/darwin.md (load_macho_picbase_si): Add
18094 (load_macho_picbase_di): Likewise.
18096 2006-02-16 Jeff Law <law@redhat.com>
18098 * tree-vrp.c (set_value_range_to_nonnegative): New function.
18099 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
18100 (ssa_name_nonzero_p): Likewise.
18101 (get_value_range): Return NULL if VRP is not running.
18102 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
18103 VRP routines do not discover a range.
18104 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
18105 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
18106 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
18107 (tree_expr_nonnegative_p): Similarly.
18108 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
18109 (restore_nonzero_vars_to_original_value): Remove.
18110 (unsafe_associative_fp_binop): Remove.
18111 (tree_ssa_dominator_optimize): Remove initialization and
18112 finalization of nonzero_vars and nonzero_vars_stack.
18113 (dom_opt_initialize_block): No longer push marker on
18114 nonzero_vars_stack.
18115 (dom_opt_finalize_block): No longer call
18116 restore_nonzero_vars_to_original_value.
18117 (record_equivalences_from_phis): No longer look for
18118 nonzero PHI arguments.
18119 (cprop_into_successor_phis): No longer propagate nonzero
18120 property into PHI arguments. Lose unused argument. Caller
18122 (record_equivalences_from_stmt): No longer record nonzero
18123 values for SSA_NAMEs.
18124 (lookup_avail_expr): No longer use nonzero_vars.
18126 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
18127 for sizetype when sizetype is unsigned.
18129 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
18131 PR rtl-optimization/25603
18132 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18133 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18134 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18135 with new meaning of SETS.
18137 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
18142 * config/linux.opt: New file.
18143 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18144 LINUX_DYNAMIC_LINKER): Define.
18145 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18146 * config.gcc (*-*-linux*): Define extra_options.
18147 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
18148 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18149 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18150 GLIBC_DYNAMIC_LINKER.
18151 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18152 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18153 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18154 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18155 * doc/invoke.texi (GNU/Linux Options): New section.
18157 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
18159 * config/sparc/sparc.md (setjmp): Rewrite.
18160 (setjmp_32): Delete.
18161 (setjmp_64): Likewise.
18163 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
18165 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18168 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18170 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18173 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18175 PR rtl-optimization/26296
18176 * Makefile.in (loop-invariant.c): Add except.h dependency.
18177 * loop-invariant.c: Include except.h.
18178 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18180 2005-02-16 Paul Brook <paul@codesourcery.com>
18182 * reload1.c (emit_reload_insns): Invalidate dead input registers used
18185 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
18187 PR rtl-optimization/25636
18188 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18189 when deciding whether an insn is an initializing insn.
18191 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
18193 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18194 (tree_code_size): Ditto.
18195 * tree.h (struct tree_memory_tag): Remove parent_var.
18196 (struct tree_struct_field_tag): New.
18199 (union tree_node): Add sft member.
18200 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18202 (create_sft): Add size and offset argument, set SFT_OFFSET and
18204 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18205 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18206 * tree-flow-inline.h (get_subvar_at): Update for
18207 SFT_OFFSET/SFT_SIZE.
18208 (var_can_have_subvars): Ditto.
18209 (overlap_subvar): Ditto.
18210 * print-tree.c (print_node): Print out interesting things for
18212 * tree-flow.h (struct subvar): Remove offset and size members.
18213 * tree-ssa-operands.c (get_expr_operands): Update for
18214 get_indirect_ref_operands changes.
18215 (get_indirect_ref_operands): Call add_virtual_operand instead of
18216 add_stmt_operand. Only recurse on base var if requested.
18217 (access_can_touch_variable): New function.
18218 (add_stmt_operand): Split virtual operand handling into ...
18219 (add_virtual_operand): Here. Add offset, size, and for_clobber
18220 arguments. Prune alias sets.
18221 (add_call_clobber_ops): Call add_virtual_operand.
18223 2006-02-15 Jakub Jelinek <jakub@redhat.com>
18225 PR middle-end/26300
18226 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18228 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18229 than TREE_CODE as index into omp_clause_num_ops array.
18231 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
18233 PR rtl-optimization/26184
18234 * modulo-sched.c (generate_reg_moves): Free bitmap vector
18236 * modulo-sched.c (sms_schedule): Free g_arr pointer.
18237 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18238 must_precede, must_follow and tobe_scheduled.
18241 * opts.c (common_handle_option): Free new_option pointer.
18242 * df-core.c (df_analyze): Free postorder pointer.
18244 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18246 * Makefile.in: Fix the examples about the use of stamps
18248 2006-02-15 Michael Matz <matz@suse.de>
18250 PR middle-end/22275
18252 * stor-layout.c (layout_decl): Zero-width bitfields aren't
18253 influenced by maximum_field_alignment or DECL_PACKED.
18254 (update_alignment_for_field): Ditto.
18255 (place_field): Ditto.
18256 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18259 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
18261 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
18262 (debug_flow_info): Pass it.
18263 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
18264 * bb-reorder.c (reorder_basic_blocks): Likewise.
18265 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
18266 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
18267 * flow.c (life_analysis, recompute_reg_usage): Likewise.
18268 * gcse.c (gcse_main, bypass_jumps): Likewise.
18269 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
18270 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
18271 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
18272 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
18273 * rtl.h (dump_flow_info): Adjust prototype.
18274 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
18275 * var-tracking.c (variable_tracking_main): Likewise.
18276 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
18277 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
18280 2006-02-15 Marcin Dalecki <martin@dalecki.de>
18282 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18285 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18287 PR tree-optimization/26209
18288 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
18289 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
18291 * tree-cfg.c (replace_uses_by): Do not alter cfg.
18293 2006-02-14 Roger Sayle <roger@eyesopen.com>
18295 PR middle-end/23670
18296 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
18297 (X,Y) and the corresponding symmetry related transformations.
18298 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
18299 (X,Y) and its symmetry related transformations.
18301 2006-02-14 Roger Sayle <roger@eyesopen.com>
18303 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
18306 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
18308 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18310 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18313 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
18314 support COMDAT group.
18315 * configure: Regenerate.
18317 2006-02-14 Roger Sayle <roger@eyesopen.com>
18319 PR middle-end/26279
18320 PR middle-end/26280
18321 PR middle-end/26283
18322 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
18324 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
18326 Fix PR tree-optimization/26260
18328 * doc/invoke.texi (max-fields-for-field-sensitive): Document
18330 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
18331 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
18332 * tree-ssa-structalias.c (create_variable_info_for): Use
18333 MAX_FIELDS_FOR_FIELD_SENSITIVE.
18335 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18337 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
18339 * tree-ssa-loop-niter.c (number_of_iterations_ne,
18340 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
18341 of the ending condition.
18342 * tree-ssa-loop-manip.c: Include params.h.
18343 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
18344 tree_unroll_loop): New functions.
18345 * tree-pass.h (pass_loop_prefetch): Declare.
18346 * loop.c (rest_of_handle_loop_optimize): Test for
18347 -fprefetch-loop-arrays-rtl.
18348 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
18349 * timevar.def (TV_TREE_PREFETCH): New timevar.
18350 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
18351 pass_loop_prefetch): New.
18352 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
18353 (cleanup_tree_cfg_loop): Call scev_reset.
18354 * common.opt (fprefetch-loop-arrays-rtl): Add.
18355 * tree-ssa-loop-prefetch.c: New file.
18356 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
18357 (new_temp_expr_table): Initialize expr_vars.
18358 (free_temp_expr_table): Cleanup expr_vars.
18359 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
18360 expressions from being merged into one.
18361 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
18362 (struct tree_niter_desc): Add control, bound and cmp fields.
18363 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
18365 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
18366 (tree-cfgcleanup.o): Add SCEV_H dependency.
18367 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
18368 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
18370 2006-02-14 Richard Guenther <rguenther@suse.de>
18372 PR tree-optimization/26258
18373 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
18374 in PHI argument processing.
18376 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
18378 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
18379 new expression in the requested machine mode.
18381 2006-02-13 Roger Sayle <roger@eyesopen.com>
18383 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
18384 directly, instead let do_compare_rtx_and_jump handle this for us.
18385 * expr.c (expand_expr_real_1): Likewise.
18386 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
18387 before do_jump_by_parts_greater.
18388 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
18389 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
18391 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18393 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
18395 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18397 PR rtl-optimization/26235
18398 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
18399 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
18402 2006-02-13 Jeff Law <law@redhat.com>
18404 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18407 2006-02-13 Jakub Jelinek <jakub@redhat.com>
18409 PR middle-end/26092
18410 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18411 twice if decl is a builtin. When trying again, call get_callee_fndecl
18412 first to verify it is still a builtin.
18414 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18416 * dwarf2out.c (base_type_die): Don't add AT_name here.
18417 (subrange_type_die): Don't add AT_name here.
18418 (modified_type_die): Rearrange code flow. Do add AT_name here.
18420 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18422 PR rtl-optimization/26247
18423 PR rtl-optimization/26248
18424 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18426 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18428 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18429 * config/fixtfdi.c: Likewise.
18430 * config/fixunstfdi.c: Likewise.
18431 * config/floatditf.c: Likewise.
18433 2006-02-13 Roger Sayle <roger@eyesopen.com>
18435 PR middle-end/24427
18436 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18437 into (X,C2) if C1 is a subset of the bits of C2. Transform
18438 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18440 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18442 2006-02-13 Josh Conner <jconner@apple.com>
18445 * varasm.c (function_section): Check for section name before
18446 calling select_section on targets that define
18447 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18448 unlikely_text_section instead of hot_function_section if
18449 first_function_block_is_cold.
18451 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18453 PR middle-end/25335
18454 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18456 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18458 PR rtl-optimization/26222
18459 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18460 after tree->rtl expansion.
18461 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18462 before passing it to emit_move_insn.
18464 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18466 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18468 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18469 Clarify documentation.
18470 * c-common.h (warn_write_strings): Remove.
18471 * c-common.c (warn_write_strings): Likewise.
18472 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18475 2006-02-12 Roger Sayle <roger@eyesopen.com>
18477 PR middle-end/25724
18478 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18479 (do_jump_parts_zero_rtx): New function renamed from
18480 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18481 (do_jump_parts_equality_rtx): New function split out from
18482 do_jump_parts_equality. Old implementation renamed as above.
18483 Call do_jump_parts_zero_rtx if either operand is zero.
18484 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18485 do all of the heavy lifting.
18486 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18487 calling either do_jump_by_parts_greater_rtx or
18488 do_jump_by_parts_equality_rtx.
18489 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18490 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18491 moved to do_compare_rtx_and_jump, call it directly.
18492 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18493 mode argument. Call do_compare_rtx_and_jump.
18494 (emit_case_nodes): Update calls to do_jump_if_equal.
18496 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18498 PR rtl-optimization/26225
18499 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18501 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18503 PR rtl-optimization/26232
18504 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18506 2006-02-11 Jason Merrill <jason@redhat.com>
18509 * tree-inline.c (declare_return_variable): Just don't use the
18510 modify target if it's a gimple complex reg and the return slot
18513 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18515 * doc/contrib.texi: Update my entry.
18517 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18519 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18521 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18523 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18526 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18528 * doc/invoke.texi (-floop-optimize2): Removed.
18529 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18530 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18531 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18532 * common.opt (floop-optimize2): Removed.
18533 (fmove-loop-invariants): Enabled by default.
18535 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18537 * tree-if-conv.c (combine_blocks): Free the result of
18538 get_loop_exit_edges.
18540 2006-02-10 Jeff Law <law@redhat.com>
18542 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18544 PR tree-optimization/26213
18545 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18546 loop trying to follow SSA_NAME_VALUE chains.
18548 2006-02-10 Richard Guenther <rguenther@suse.de>
18550 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18551 deal with structures that end in implicitly variable sized arrays.
18553 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18555 PR rtl-optimization/24762
18556 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18559 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18561 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18562 (struct ivopts_data): Add regs_used field.
18563 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18564 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18565 instead of loop_data->regs_used;
18566 (free_loop_data): Do not free aux fields for loops.
18567 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18568 and tree_ssa_iv_optimize_finalize.
18570 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18572 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18574 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18577 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18578 computing the effective result type.
18580 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18582 PR inline-asm/16194
18583 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18584 (tree_overlaps_hard_reg_set): Declare.
18585 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18586 type and signature to match function type expected by walk_tree.
18587 (tree_overlaps_hard_reg_set): New function.
18588 (decl_conflicts_with_clobbers_p): Rename to:
18589 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18590 Use tree_overlaps_hard_reg_set. Changed caller.
18591 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18592 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18593 * cris.c (cris_md_asm_clobbers): Likewise.
18595 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18597 * reload1.c (emit_input_reload_insns): Delete code that tries to
18598 inherit using find_equiv_reg.
18600 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18602 * c-common.h (flag_const_strings): Don't declare.
18603 * c-common.c (flag_const_strings): Remove.
18604 * c.opt (fconst_strings): Remove.
18605 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18606 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18607 (c_common_init_options): Don't set flag_const_strings.
18608 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18610 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18612 * arm.md (tlobits_cbranch): New pattern.
18613 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18614 testing a single bit.
18616 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18619 * tree-ssa-pre.c (create_component_ref_by_pieces):
18620 Handle RETURN_DECL like VAR_DECL.
18622 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18624 PR middle-end/26134
18625 * fold-const.c (fold_indirect_ref_1): Fold
18626 "*(foo *)&complexfoo" to "__real__ complexfoo"
18627 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
18629 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18631 * tree-flow-inline.h (var_can_have_subvars):
18632 Volatile variables should not have subvariables.
18634 2006-02-09 Diego Novillo <dnovillo@redhat.com>
18637 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18638 multiplying unsigned values.
18641 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
18643 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
18645 2006-02-08 Jason Merrill <jason@redhat.com>
18648 * tree.def: Elaborate on difference from MODIFY_EXPR.
18649 * doc/c-tree.texi (INIT_EXPR): Likewise.
18650 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
18651 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
18652 (gimplify_target_expr): Likewise.
18653 (gimplify_cond_expr): Remove target handling.
18654 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
18655 (gimplify_expr): Clobber it here.
18656 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
18657 Do return slot optimization if we have an INIT_EXPR.
18660 * tree-inline.c (declare_return_variable): Also clear
18661 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
18664 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
18666 PR middle-end/22439
18667 * gimplify.c (gimplify_one_sizepos): Fix typo.
18669 2006-02-08 Jeff Law <law@redhat.com>
18671 PR tree-optimization/21417
18672 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
18673 across a backedge if the control statement at the end of the
18674 block is data dependent on other statements in the same block.
18675 (record_temporary_equivalences_from_stmts): Remove over-conservative
18676 test for threading across backedges.
18678 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
18679 control statement, handle all three special cases in the same
18680 manner as they all have the same desired solution. No longer
18681 special case edge flag updating when the post dominator is
18684 2006-02-08 Roger Sayle <roger@eyesopen.com>
18686 * tree.def (CHAR_TYPE): Remove.
18687 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
18688 * dwarf2out.c (base_type_die, is_base_type): Likewise.
18689 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
18690 (gen_string_type_die): Delete unreachable function.
18692 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
18693 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
18694 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
18695 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
18696 * builtins.c (type_to_class): Likewise.
18697 * fold-const.c (fold_convert, build_range_check,
18698 merge_ranges): Likewise.
18699 * expr.c (count_type_elements): Likewise.
18700 * c-pretty-print.c (pp_c_type_specifier): Likewise.
18701 * stor-layout.c (layout_type): Likewise.
18702 * ipa-type-escape.c (type_to_consider): Likewise.
18703 * gimplify.c (omp_firstprivatize_type_sizes,
18704 gimplify_type_sizes): Likewise.
18705 * explow.c (promote_mode): Likewise.
18706 * tree-sra.c (is_sra_scalar_type): Likewise.
18707 * varasm.c (output_constant): Likewise.
18708 * tree-inline.c (remap_type_1): Likewise.
18709 * convert.c (convert_to_pointer, convert_to_real,
18710 convert_to_integer, convert_to_complex): Likewise.
18712 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
18714 * df-scan.c (df_def_record_1): A set destination may
18715 be a parallel regardless of mode.
18717 2006-02-08 Roger Sayle <roger@eyesopen.com>
18720 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
18721 * config/mips/_tilib.c: Remove.
18722 * config/fixtfdi.c: New libgcc source file.
18723 * config/fixunstfdi.c: New source file.
18724 * config/floatditf.c: New source file.
18725 * config/floatunditf.c: New souce file.
18726 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
18727 files above instead of config/mips/_tilib.c.
18728 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
18730 2006-02-08 Jeff Law <law@redhat.com>
18732 PR tree-optimization/26169
18733 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
18736 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
18738 * df.h (DF_REG_SIZE): Return the length of the initialized
18741 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
18743 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
18744 __muldf3): Return a correctly signed zero.
18746 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
18748 * passes.c (register_one_dump_file): Accept the current properties
18749 instead of pass number. Adjust call to dump_register. Remove
18751 (register_dump_files): Now a wrapper around...
18752 (register_dump_files_1): ... this one. Do not modify the pass
18754 (next_pass_1): Cosmetic fix.
18755 (execute_todo): Keep second parameter only. Use curr_properties
18756 instead of fetching it from the pass structure. Check and set
18758 (execute_one_pass): Handle TODO_set_props. Use curr_properties
18759 instead of fetching it from the pass structure. Fix calls to
18760 execute_todo. Update curr_properties and initialize .vcg RTL dump
18761 after running the pass. Reset last_verified.
18762 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
18764 (FIRST_AUTO_NUMBERED_DUMP): New.
18765 (dump_register): Remove "num" parameter, assign it within the
18767 (get_dump_file_name): Modify template for dumps.
18768 * tree-dump.h (dump_register): Adjust prototype.
18769 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
18770 (PROP_trees): Add PROP_gimple_lomp.
18771 (TODO_set_props): New.
18772 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
18773 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
18774 * cfgexpand.c (pass_expand): Destroy PROP_trees.
18776 2006-02-08 Jakub Jelinek <jakub@redhat.com>
18778 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
18779 (sparc64-*-linux*): Likewise.
18780 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
18781 * config/sparc/t-linux: New file.
18782 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
18783 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
18784 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
18785 -m32 -mlong-double-128.
18787 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
18788 * config/alpha/t-linux: New file.
18789 * config/alpha/libgcc-alpha-ldbl.ver: New file.
18791 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
18792 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
18793 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
18794 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
18795 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
18796 (CPP_ARCH32_SPEC): Remove.
18798 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
18800 PR tree-optimization/26145
18801 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
18804 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18807 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
18808 >= 240000 when generating code for SOM runtime.
18809 (output_indirect_call): Don't use "b,l" instruction for indirect calls
18810 to $$dyncall when generating code for SOM runtime..
18812 2006-02-07 Dirk Mueller <dmueller@suse.com>
18815 * doc/invoke.texi (-Wsequence-point): Update documentation
18816 that -Wsequence-point is implemented for C++ as well.
18818 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18820 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
18821 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
18822 (LIB_SPEC): Likewise.
18823 * doc/invoke.texi (SPARC options): Document -pthread.
18825 2006-02-07 Geoffrey Keating <geoffk@apple.com>
18827 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
18830 2006-02-07 Roger Sayle <roger@eyesopen.com>
18832 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
18833 Correct comment describing BOOLEAN_TYPE.
18835 2006-02-07 Dirk Mueller <dmueller@suse.com>
18837 * c.opt: C++ frontend supports -Wdiv-by-zero.
18838 * c-opts.c (c_common_handle_option): Remove dead case.
18840 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18842 * configure.ac (TLS assembler check): Do not enable TLS by
18843 default on SPARC/Solaris before version 10.
18844 * configure: Regenerate.
18846 2006-02-07 David Edelsohn <edelsohn@gnu.org>
18848 * doc/invoke.texi (xl-compat): Document conversion and support
18851 2006-02-07 Jeff Law <law@redhat.com>
18853 * tree-vrp.c (find_conditional_asserts): Update comments.
18854 (simplify_stmt_for_jump_threading): New.
18855 (identify_jump_threads, finalize_jump_threads): New.
18856 (vrp_finalize): Call identify_jump_threads.
18857 (execute_vrp): Call finalize_jump_threads.
18858 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
18859 (vrp_element, vrp_data, vrp_element_p): Remove.
18860 (vrp_hash_elt, vrp_variables_stack): Remove.
18861 (vrp_hash, vrp_eq, record_range): Remove.
18862 (simplify_cond_and_lookup_avail_expr): Remove.
18863 (extract_range_from_cond): Remove.
18864 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
18865 (simplify_stmt_for_jump_threading): New.
18866 (dom_thread_across_edge): New wrapper.
18867 (tree_ssa_dominator_optimize): No longer initialize or
18868 finalize any of the VRP datastructures. Remove iteration
18869 step and simplify as a result of removal of iteration step.
18870 (pass_dominator): Perform a cfg cleanup after DOM.
18871 (dom_opt_finalize_block): Use the new common routines
18872 for threading jumps. Simplify stack management slightly.
18873 No longer need to unwind VRP state.
18874 (record_equivalences_from_incoming_edge): No longer record
18876 (eliminate_redundant_computations): No longer call
18877 simplify_cond_and_lookup_avail_expr.
18878 * tree-flow.h (potentially_threadable_block): Prototype.
18879 (thread_across_edge): Likewise.
18880 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
18881 (tree-ssa-threadedge.o): Add dependencies.
18882 * tree-ssa-threadedge.c: New file.
18883 * passes.c (init_optimization_passes): Merge PHIs before
18884 calling VRP. Run VRP again late in the SSA optimization pipeline.
18886 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18888 * df-core.c (df_set_blocks): Do not dereference function pointers.
18889 (df_finish1): Likewise.
18890 (df_hybrid_search_forward): Likewise.
18891 (df_hybrid_search_backward): Likewise.
18892 (df_iterative_dataflow): Likewise.
18893 (df_analyze_problem): Likewise.
18894 (df_compact_blocks): Likewise.
18895 (df_dump): Likewise.
18896 * df-scan.c (df_rescan_blocks): Likewise.
18897 (df_record_entry_block_defs): Likewise.
18899 * genconditions.c (write_conditions): Guard the definition of
18900 'insn_conditions' with the check on GCC version.
18901 (write_writer): Guard the traversal 'insn_conditions' with
18902 the check on GCC version.
18904 2006-02-07 Richard Guenther <rguenther@suse.de>
18908 2006-01-30 Richard Guenther <rguenther@suse.de>
18910 * gimplify.c (gimplify_target_expr): Handle easy cases
18911 without creating a temporary.
18913 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
18915 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
18916 use of float in probability computations. Use edge probabilities
18917 in place of statically computed probabilities.
18918 (min_spec_prob): New static variable.
18919 (schedule_insns): Initialize it.
18920 (GET_SRC_PROB): Removed.
18921 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
18923 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
18926 * config/ia64/unwind-ia64.c: Revert last change.
18927 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
18928 (INCOMING_FRAME_SP_OFFSET): Define.
18930 2006-02-06 Roger Sayle <roger@eyesopen.com>
18932 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
18934 2006-02-07 Ben Elliston <bje@au.ibm.com>
18936 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
18937 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
18938 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
18939 (ix86_return_in_memory): Handle TDmode.
18940 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
18941 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
18943 2006-02-06 Richard Sandiford <richard@codesourcery.com>
18945 * reorg.c (dbr_schedule): Use dump_file instead of file.
18947 2006-02-06 Steve Ellcey <sje@cup.hp.com>
18950 * config/ia64/predicates.md (extr_len_operand): New predicate.
18951 * config/ia64/ia64.md (extv): Tighten constraints.
18953 (*tbit_and_2): Ditto.
18954 (*tbit_and_3): Ditto.
18955 (*tbit_or_2): Ditto.
18956 (*tbit_or_3): Ditto.
18957 (*bit_zero): Ditto.
18960 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
18963 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
18965 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
18967 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
18968 loop_optimizer_init and loop_optimizer_finalize
18969 * tree-ssa-sink.c (execute_sink_code): Ditto.
18970 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
18971 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
18972 tree_ssa_loop_done): Ditto.
18973 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
18974 * sched-ebb.c: Include output.h.
18975 (schedule_ebbs): Do not use dump argument.
18976 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
18977 * loop.c (loop_dump_stream): Removed.
18978 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
18980 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
18981 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
18982 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
18983 loop_iterations, strength_reduce, record_biv, record_giv,
18984 final_giv_value, check_final_value, check_ext_dependent_givs,
18985 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
18986 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
18987 dump_file instead of loop_dump_stream.
18988 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
18989 argument dump_file.
18990 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
18992 * flow.c (life_analysis, rest_of_handle_life): Ditto.
18993 * haifa-sched.c: Include output.h
18994 (schedule_insns, sched_init): Do not use dump argument.
18995 * mode-switching.c (optimize_mode_switching): Ditto.
18996 * modulo-sched.c (stats_file): Removed.
18997 (print_node_sched_params): Do not call argument dump_file.
18998 (sms_schedule_by_order, loop_canon_p, sms_schedule,
18999 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
19001 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
19003 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
19004 rtl_loop_init, rtl_loop_done): Ditto.
19005 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
19006 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
19008 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
19009 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
19010 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
19011 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
19012 * emit-rtl.c (renumber_insns): Ditto.
19013 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
19014 expand_gimple_basic_block, tree_expand_cfg): Ditto.
19015 * regclass.c (regclass): Ditto.
19016 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
19017 remove_ssa_form, rewrite_out_of_ssa): Ditto.
19018 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
19019 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
19021 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
19022 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
19024 * gcse.c (gcse_file, debug_stderr): Removed.
19025 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
19026 rest_of_handle_gcse): Do not use dump argument.
19027 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
19028 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
19029 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
19030 compute_code_hoist_vbeinout, compute_code_hoist_data,
19031 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
19032 compute_store_table, build_store_vectors, insert_insn_start_bb,
19033 insert_store, remove_reachable_equiv_notes, replace_store_insn,
19034 store_motion): Use dump_file instead of gcse_file.
19035 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
19036 * profile.c (profile_dump_file): Removed.
19037 (branch_prob): Use dump_file instead of profile_dump_file.
19038 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
19040 * tree-ssa-copy.c (dump_copy_of): Ditto.
19041 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
19042 dump file to life_analysis.
19043 * bt-load.c (branch_target_load_optimize): Ditto.
19044 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
19046 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
19047 regclass, dbr_schedule): Declaration changed.
19048 * sched-int.h (sched_init): Declaration changed.
19049 * tree-profile.c (tree_profile_dump_file): Removed.
19050 (tree_profile_hooks): Removed profile_dump_file hook.
19051 * rtl-profile (rtl_profile_dump_file): Removed.
19052 (rtl_profile_hooks): emoved profile_dump_file hook.
19053 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
19055 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
19056 * tree-cfg.c (build_tree_cfg): Ditto.
19057 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
19058 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
19059 Declaration changed.
19060 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
19061 life_analysis and schedule_insns.
19062 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
19064 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
19066 * config/mips/mips.c (mips_reorg): Ditto.
19067 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
19070 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
19072 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19073 (s390_mangle_fundamental_type): New.
19074 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19077 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19078 (alpha_mangle_fundamental_type): New.
19079 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19082 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19084 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19086 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19087 (sparc_mangle_fundamental_type): New.
19089 2006-02-06 Jakub Jelinek <jakub@redhat.com>
19091 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
19092 (s390x-*-linux*): Likewise.
19093 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
19094 * config/s390/t-linux: New file.
19096 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19098 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
19099 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
19101 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
19103 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
19104 (ANTIC_SAFE_LOADS): New macro.
19105 (find_or_generate_expression): Add prototype.
19106 (set_contains_value): Allow null set for sake of not always having
19107 to allocate ANTIC_SAFE_LOADS.
19108 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
19109 Allow COMPONENT_REF too.
19110 (valid_in_set): Allow COMPONENT_REF.
19111 Check ANTIC_SAFE_LOADS too.
19112 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
19113 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
19115 (can_PRE_operation): Add COMPONENT_REF.
19116 (create_component_ref_by_pieces): New function.
19117 (create_expression_by_pieces): Use create_component_ref_by_pieces.
19118 (insert_aux): Move AGGREGATE_TYPE_P check here.
19119 (compute_avail): Set bb local stmt uids.
19120 (pass_pre): Use TODO_update_ssa_only_virtuals.
19122 2006-02-06 Ben Elliston <bje@au.ibm.com>
19124 * configure.ac: Unconditionally disable decimal float by default.
19125 * configure: Regenerate.
19127 2006-02-06 Ben Elliston <bje@au.ibm.com>
19129 * read-rtl.c (read_name): Terminate reading on EOF.
19131 2006-02-06 Ben Elliston <bje@au.ibm.com>
19133 * dfp.c (decimal_real_arithmetic): Change second argument type
19134 from int to enum tree_code. Do not always return true, but now
19135 return result of any call to decimal_do helper functions.
19136 * dfp.h (decimal_real_arithmetic): Update prototype.
19138 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
19140 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19142 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
19145 * tree-cfg.c (cleanup_dead_labels): Also don't remove
19148 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19150 * tree-vrp.c (cfg_loops): Removed.
19151 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19152 Use current_loops instead of cfg_loops. Pass flags to
19153 loop_optimizer_init.
19154 * cfgloopmanip.c (fix_loop_structure): Update only available
19156 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19157 loop_optimizer_init.
19158 * modulo-sched.c (build_loops_structure): Removed.
19159 (sms_schedule): Use loop_optimizer_init.
19160 * loop-init.c (loop_optimizer_init): Use flags to determine
19161 which properties of loops to prepare.
19162 (rtl_loop_init): Pass flags to loop_optimizer_init.
19163 * tree-ssa-sink.c (execute_sink_code): Ditto.
19164 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19165 * tree-ssa-pre.c (init_pre): Ditto.
19166 * cfgloop.h (LOOPS_NORMAL): New.
19167 (loop_optimizer_init): Declaration changed.
19169 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19171 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19172 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19174 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19176 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19178 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19179 * pa/t-pa64: Delete quadlib.c rule.
19180 * pa/x-ada: Revert last change.
19181 * pa/t-pa: Revert last change. Delete quadlib.c rule.
19183 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19185 PR rtl-optimization/26087
19186 * rtlanal.c (canonicalize_condition): Do not cross basic block
19189 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
19192 * config/ia64/ia64.c: Include debug.h.
19193 (MAX_ARTIFICIAL_LABEL_BYTES): New.
19194 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19195 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19196 (process_epilogue, process_set, process_for_unwind_directive):
19197 Output unwind info only if requested. Add CFA info if requested.
19198 Add new arguments as needed. Adjust callers.
19199 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19201 (DWARF2_FRAME_INFO): Define to zero.
19202 * config/ia64/unwind-ia64.c: Remove code that compensated for
19203 the CFA offset error fixed above.
19204 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19205 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19206 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19207 -funwind-tables and -fexceptions to enable frame info.
19208 (dwarf2out_frame_init): Define initial CFA even if
19209 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
19210 DWARF2_UNWIND_INFO is nonzero, not just defined.
19211 (dwarf2out_frame_finish): Output non-EH call frame info only
19212 if DWARF2_FRAME_INFO is nonzero.
19213 (convert_cfa_to_loc_list,
19214 compute_frame_pointer_to_cfa_displacement): Define even if
19215 unwind info is not supported.
19216 (gen_subprogram_die): Use the above unconditionally. Remove
19217 legacy alternate code.
19218 * toplev.c (compile_file): Compile in call to
19219 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19220 (lang_dependent_init): Ditto for dwarf2out_frame_init.
19222 2006-02-04 David Edelsohn <edelsohn@gnu.org>
19223 Jakub Jelinek <jakub@redhat.com>
19225 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19226 IBM extended float format long double as "g" on powerpc*-linux.
19228 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19231 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19232 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19234 2006-02-03 Jason Merrill <jason@redhat.com>
19237 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19239 PR middle-end/25977
19240 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19241 on the return slot if it's an NRV.
19243 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
19245 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19246 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19247 rewrite_use): Do not handle USE_OUTER.
19248 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19249 add_iv_outer_candidates, may_replace_final_value,
19250 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19251 (find_interesting_uses_op): Functionality of
19252 find_interesting_uses_outer_or_nonlin moved here.
19253 (find_interesting_uses_outside): Use find_interesting_uses_op.
19255 2006-02-03 Alan Modra <amodra@bigpond.net.au>
19258 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
19260 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
19261 Ulrich Weigand <uweigand@de.ibm.com>
19264 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
19265 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
19266 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
19267 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
19269 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
19270 (s390_rtx_costs): Use the new fields to calculate rtx costs.
19271 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
19272 Define secondary reloads for TFmode moves.
19273 (constant_modes): Add TFmode.
19274 (NR_C_MODES): Set to 8.
19275 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
19277 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
19278 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
19279 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
19280 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
19281 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
19282 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
19283 (FPR mode macro): Add TFmode.
19284 (DSF mode macro): New.
19285 (<de>, <dee> mode attributes): Removed.
19286 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
19287 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
19288 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
19289 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
19290 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
19291 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
19292 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
19293 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
19294 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
19295 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
19296 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
19297 "*negabs<mode>2", "sqrt<mode>2"):
19298 Changed <de> to <xde>. R constraint replaced by <Rf>.
19299 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
19301 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
19302 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
19303 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
19305 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
19306 "extenddftf2", "extendsftf2"): New expanders.
19307 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
19308 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
19309 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
19310 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
19312 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
19313 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
19314 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
19315 __floatditf): Add a GCC_4.1.0 symbol version tag.
19316 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
19319 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
19322 * config/i386/i386.c (ix86_function_ok_for_sibcall):
19323 Use targetm.binds_local_p instead of TREE_PUBLIC.
19325 2006-02-02 Roger Sayle <roger@eyesopen.com>
19327 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
19328 on INTEGER_TYPEs to indicate that it denotes a character type.
19329 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
19330 signed_char_type_node, unsigned_char_type_node and char_type_node.
19331 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
19332 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
19333 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
19335 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
19336 Daniel Berlin <dberlin@dberlin.org>
19338 * tree-tailcall.c (arg_needs_copy_p): New function.
19339 (eliminate_tail_call): Use arg_needs_copy_p.
19340 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
19341 (add_virtual_phis): New function.
19343 2006-02-02 Jakub Jelinek <jakub@redhat.com>
19345 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
19346 #ignore instead of #scratch for %g7 .register directive.
19348 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
19350 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
19353 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19355 * flow.c (calculate_global_regs_live): Assert that there aren't any
19358 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
19360 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
19361 what its name says.
19362 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
19363 bsi_after_labels iterator.
19364 * tree-if-conv.c (find_phi_replacement_condition,
19365 replace_phi_with_cond_modify_expr): Likewise.
19366 * tree-scalar-evolution.c (scev_const_prop): Likewise.
19367 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
19369 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19371 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
19373 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19376 * tree-cfg.c (move_block_to_fn): Clear out the basic block
19377 array after growing it.
19379 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19381 PR middle-end/24901
19382 * fold-const.c (fold_checksum_tree): Change type of buf.
19384 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
19386 * reload.c (push_secondary_reload): Initialize t_icode.
19388 2006-02-01 Jakub Jelinek <jakub@redhat.com>
19390 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
19391 -msoft-float -mlong-double-128 only issue a warning, but don't
19392 swich to DFmode long double.
19394 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
19396 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
19397 has a constant equivalent, iterate over equivalents for arg0,
19398 calling simplify_relational_operation and if there's a result
19399 cheaper than X, apply fold_rtx and return the result.
19401 2006-02-01 Jan Hubicka <jh@suse.cz>
19403 * opts.c (no_unit_at_a_time_default): New global variable.
19404 (decode_options): Use it.
19405 * opts.h (no_unit_at_a_time_default): Declare.
19407 2006-02-01 Paul Brook <paul@codesourcery.com>
19409 * function.c (assign_parm_setup_reg): Use function argument promotion
19411 * expr.c (expand_expr_real_1): Use function argument promotion rules
19414 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19416 * gcc.c (process_command): Change j to 'unsigned int'.
19418 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19420 PR middle-end/26001
19421 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19422 Use the corrected index for the character
19423 out of the string constant.
19425 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19427 * mode-switching.c (optimize_mode_switching): Fix size
19428 allocated for bb_info[n_entities].
19430 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19432 * gcc.c (main): Correct type that is allocated for
19433 explicit_link_files.
19435 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19437 * config/s390/s390.c (init_alignment_context): Set
19438 ALIAS_SET_MEMORY_BARRIER on the MEM.
19439 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19441 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19443 PR middle-end/25933
19444 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19446 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19449 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19451 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19452 * regrename.c: Ditto.
19453 * tree-ssa-loop-im.c: Ditto.
19454 * tree-dump.c: Ditto.
19455 * tree-complex.c: Ditto.
19456 * genrecog.c: Ditto.
19457 * tree-ssa-threadupdate.c: Ditto.
19459 * java/class.c: Ditto.
19460 * java/jcf-parse.c: Ditto.
19461 * java/resource.c: Ditto.
19462 * java/except.c: Ditto.
19463 * java/jvspec.c: Ditto.
19464 * java/jcf-write.c: Ditto.
19465 * java/jcf-path.c: Ditto.
19466 * java/gjavah.c: Ditto.
19467 * java/zextract.c: Ditto.
19468 * java/jcf-io.c: Ditto.
19469 * java/jcf.h: Ditto.
19470 * java/buffer.c: Ditto.
19471 * java/lang.c: Ditto.
19472 * java/parse-scan.y: Ditto.
19473 * java/lex.c: Ditto.
19474 * java/lex.h: Ditto.
19475 * cfgloopmanip.c: Ditto.
19476 * postreload-gcse.c: Ditto.
19477 * tree-ssa-loop-manip.c: Ditto.
19478 * postreload.c: Ditto.
19479 * tree-ssa-loop-ch.c: Ditto.
19482 * cppspec.c: Ditto.
19483 * diagnostic.c: Ditto.
19485 * genoutput.c: Ditto.
19487 * cfghooks.c: Ditto.
19488 * cfgloopanal.c: Ditto.
19489 * objc/objc-act.c: Ditto.
19491 * genextract.c: Ditto.
19492 * genautomata.c: Ditto.
19493 * pretty-print.c: Ditto.
19494 * genemit.c: Ditto.
19495 * cgraphunit.c: Ditto.
19497 * df-scan.c: Ditto.
19498 * haifa-sched.c: Ditto.
19499 * dominance.c: Ditto.
19501 * tree-ssa-loop-ivopts.c: Ditto.
19502 * df-core.c: Ditto.
19503 * mode-switching.c: Ditto.
19504 * modulo-sched.c: Ditto.
19506 * ipa-pure-const.c: Ditto.
19508 * fix-header.c: Ditto.
19510 * tree-stdarg.c: Ditto.
19511 * ipa-utils.c: Ditto.
19512 * loop-init.c: Ditto.
19513 * ipa-inline.c: Ditto.
19514 * cfganal.c: Ditto.
19516 * alloc-pool.c: Ditto.
19517 * dwarf2out.c: Ditto.
19519 * genattrtab.c: Ditto.
19520 * tree-ssa-loop-ivcanon.c: Ditto.
19521 * predict.c: Ditto.
19522 * timevar.c: Ditto.
19524 * fortran/gfortranspec.c: Ditto.
19525 * regmove.c: Ditto.
19526 * local-alloc.c: Ditto.
19527 * langhooks.c: Ditto.
19528 * function.c: Ditto.
19529 * tree-vectorizer.c: Ditto.
19531 * ipa-type-escape.c: Ditto.
19533 * tree-if-conv.c: Ditto.
19534 * profile.c: Ditto.
19536 * tree-data-ref.c: Ditto.
19537 * loop-unroll.c: Ditto.
19538 * treelang/treetree.c: Ditto.
19540 * bt-load.c: Ditto.
19541 * ggc-common.c: Ditto.
19543 * coverage.c: Ditto.
19545 * tree-cfgcleanup.c: Ditto.
19546 * tree-ssa-pre.c: Ditto.
19547 * cfgcleanup.c: Ditto.
19548 * loop-invariant.c: Ditto.
19549 * loop-iv.c: Ditto.
19550 * ipa-prop.c: Ditto.
19551 * print-tree.c: Ditto.
19552 * conflict.c: Ditto.
19553 * ggc-page.c: Ditto.
19554 * sched-deps.c: Ditto.
19555 * regclass.c: Ditto.
19556 * tree-object-size.c: Ditto.
19557 * combine.c: Ditto.
19558 * bb-reorder.c: Ditto.
19559 * resource.c: Ditto.
19560 * var-tracking.c: Ditto.
19561 * cfgloop.c: Ditto.
19562 * df-problems.c: Ditto.
19563 * reg-stack.c: Ditto.
19565 * gccspec.c: Ditto.
19566 * sched-rgn.c: Ditto.
19567 * tree-ssa-structalias.c: Ditto.
19568 * tree-ssa-reassoc.c: Ditto.
19569 * config/darwin-c.c: Ditto.
19570 * config/darwin.c: Ditto.
19571 * config/arm/arm.c: Ditto.
19573 * collect2.c: Ditto.
19574 * reload1.c: Ditto.
19576 2006-01-31 Nicolas Pitre <nico@cam.org>
19578 * arm.md (smaxsi3): Make aware of smax_m1.
19581 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19583 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19585 2006-01-31 Richard Guenther <rguenther@suse.de>
19587 * doc/invoke.texi (-msselibm): Document.
19588 * target.h (expand_library_builtin): New target hook.
19589 * builtins.c (expand_builtin): Use expand_library_builtin.
19590 (default_expand_library_builtin): New function.
19591 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19592 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19593 (link_gcc_math_spec): Declare.
19594 (static_specs): Add link_gcc_math_spec.
19595 * expr.h (default_expand_library_builtin): Declare.
19596 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19597 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19598 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19599 * config/i386/i386.opt (msselibm): New target option.
19600 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19601 (ix86_init_sse_abi_builtins): New function.
19602 (ix86_expand_library_builtin): Likewise.
19603 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19604 (override_options): Handle error conditions wrt -msselibm.
19605 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19606 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19607 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19610 2006-01-31 Richard Guenther <rguenther@suse.de>
19611 Paolo Bonzini <bonzini@gnu.org>
19613 * doc/install.texi (--disable-libgcc-math): Document.
19615 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19617 * expr.h (expand_normal): new inline function.
19618 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19619 * dojump.c: use it.
19620 * dwarf2out.c: use it.
19623 * expmed.c: use it.
19624 * except.c: use it.
19625 * config/sparc/sparc.c: use it.
19626 * config/i386/i386.c: use it.
19627 * config/rs6000/rs6000.c: use it.
19628 * config/arm/arm.c: use it.
19629 * config/mips/mips.c: use it.
19630 * stmt.c: use it, use EXPAND_NORMAL explicitely.
19632 2006-01-30 Roger Sayle <roger@eyesopen.com>
19634 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
19635 argv to the appropriate type.
19637 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
19639 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
19642 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
19645 * config/s390/s390.c (struct machine_function): New flag
19646 decomposed_literal_pool_addresses_ok_p.
19647 (s390_reorg): Set it before final stage of literal pool transforms.
19648 (s390_decompose_address): Only accept displacements of the form
19649 (minus (label_ref ...) (label_ref ...)) if that flag is set.
19651 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
19653 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
19654 the comparison routine return.
19656 2006-01-30 Michael Matz <matz@suse.de>
19658 * global.c (find_reg): Only evict for global regs.
19659 Take n_refs into account and dump more info.
19661 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
19664 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
19665 (pragma_trap, pragma_nosave_low_regs): Likewise.
19666 (current_function_anonymous_args): Likewise.
19667 (sh_deferred_function_attributes): New variable.
19668 (sh_deferred_function_attributes_tail): Likewise.
19669 (print_operand): For '@', look up trap_exit attribute.
19670 (calc_live_regs): Look up trapa_handler attribute. For trapa
19671 handlers, save/restore fpscr, but don't do any other
19672 interrupt-specific saves.
19673 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
19674 Fix check for partially saved registers to check for SHmedia.
19675 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
19676 (sh_output_function_epilogue): Don't clear any of the removed
19678 (sh_insert_attributes): Don't check pragma_interrupt.
19679 Insert deferred attributes. Check that interrupt attribute is
19680 present for other attributes that require its presence.
19681 (sh_attribute_table): Add new attributes trapa_handler and
19683 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
19684 Don't check for pragma_interrupt. Don't store argument.
19685 * sh.h (pragma_interrupt, sp_switch): Don't declare.
19686 (sh_deferred_function_attributes): Declare.
19687 (sh_deferred_function_attributes_tail): Likewise.
19688 * sh.md (sp_switch_1): Add operand. Change generator caller.
19689 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
19690 (*return_i): Don't use when trap_exit attribute is in effect.
19691 (*return_trapa): New insn pattern.
19692 * sh-c.c: New file.
19693 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
19694 setting c_target_objs and cxx_target_objs.
19695 * t-sh: Add rule for sh-c.o.
19697 2006-01-30 Richard Guenther <rguenther@suse.de>
19700 * gimplify.c (gimplify_target_expr): Handle easy cases
19701 without creating a temporary.
19703 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
19705 * vec.h (safe_grow): Remove duplicated line.
19707 2006-01-29 Diego Novillo <dnovillo@redhat.com>
19710 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
19711 (expand_omp): ... here.
19712 (expand_omp_parallel): Only remove barriers for combined
19713 parallel+workshare constructs.
19715 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
19719 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
19720 * tree.c (build_qualified_type): Chain the new type to the original
19721 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
19722 a POINTER_TYPE or a REFERENCE_TYPE respectively.
19723 (build_pointer_type_for_mode): Only return unqualified types.
19724 (build_reference_type_for_mode): Likewise.
19726 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
19728 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
19729 * Makefile.in (CXX_COMPAT_WARN): Define.
19730 * configure: Regenerate.
19732 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
19735 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
19738 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19740 * toplev.c: Fix thinko.
19742 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19743 Marcin Dalecki <martin@dalecki.de>
19745 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
19746 (push_srcloc): Use XNEW.
19747 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
19749 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
19751 * df-core.c (df_set_blocks): Deleted all variable.
19753 2006-01-28 Ian Lance Taylor <ian@airs.com>
19755 * cgraphunit.c (cgraph_assemble_pending_functions): Call
19756 cgraph_output_pending_asms.
19758 2006-01-28 Zack Weinberg <zackw@panix.com>
19760 * c.opt: Add -W(no-)overlength-strings.
19761 * doc/invoke.texi: Document it.
19762 * c-opts.c (c_common_handle_option): -pedantic implies
19763 -Woverlength-strings, if not explicitly disabled already.
19764 (c_common_post_options): -Woverlength-strings defaults to off, and
19765 is always off for C++.
19766 * c-common.c (fix_string_type): Issue warning about strings longer
19767 than is portable only if warn_overlength_strings. Rearrange code
19768 a little for clarity.
19769 * configure.in: Check for -Wno-overlength-strings as well before
19770 enabling -pedantic in stage 1.
19771 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
19772 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
19774 * genconditions.c (write_header, write_one_condition)
19775 (write_conditions, write_writer): Consolidate very long strings
19776 that were broken up to fit in C89 portable limit. Don't use
19777 printf when fputs will do.
19779 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
19781 * combine.c (simplify_comparison <AND>): Check
19782 TRULY_NOOP_TRUNCATION before start using a subreg.
19784 * config/mips/mips.md (*branch_zero<mode>,
19785 *branch_zero<mode>_inverted, *branch_equality<mode>,
19786 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
19787 Remove mode check from comparisons.
19789 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
19791 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
19793 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19795 * expmed.c (const_mult_add_overflow_p): Remove.
19796 * expr.h: Remove the prototype for const_mult_add_overflow_p.
19798 * recog.c (validate_replace_rtx_subexp): Remove.
19799 * recog.h: Remove the prototype for
19800 validate_replace_rtx_subexp.
19802 * integrate.h: Remove the prototype for
19803 copy_decl_for_inlining.
19804 * rtl.h: Remove the prototype for mark_constant_function.
19805 * tree-vectorizer.h: Remove the prototype for
19806 vect_strip_conversion.
19808 * modulo-sched.c (create_partial_schedule,
19809 free_partial_schedule, reset_partial_schedule): Make them
19812 * hooks.c (hook_bool_rtx_int_false): Remove.
19813 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
19815 2006-01-28 David Edelsohn <edelsohn@gnu.org>
19817 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19818 and -mlong-double-128 are incompatible.
19819 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
19820 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
19821 (TARGET_LIBGCC2_CFLAGS): Define.
19822 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
19823 (TARGET_LIBGCC2_CFLAGS): Same.
19824 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
19826 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19829 * c-typeck.c (build_binary_op): Perform implicit casts of
19830 operands before shortening them.
19832 * cfgloopmanip.c (split_loop_bb): Remove.
19833 * cfgloop.h: Remove the prototype for split_loop_bb.
19835 * cfgloop.c (flow_loop_outside_edge_p): Remove.
19836 * cfgloop.h: Remove the prototype for
19837 flow_loop_outside_edge_p.
19839 * emit-rtl.c (init_virtual_regs): Make it static.
19840 * function.h: Remove the prototype for init_virtual_regs.
19842 * recog.c (peephole2_optimize): Make it static.
19843 * recog.h: Remove the prototype for peephole2_optimize.
19845 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19847 * df-scan.c (df_record_entry_block_defs): Check if
19848 INCOMING_RETURN_ADDR_RTX is defined.
19850 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
19851 Kenneth Zadeck <zadeck@naturalbridge.com>
19853 PR rtl-optimization/24762
19854 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19855 * targhooks.c (hook_void_bitmap): New hook prototype.
19856 * targhoohs.h (hook_void_bitmap): Ditto.
19857 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
19858 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
19859 * target.h (live_on_entry): New function pointer.
19860 * df-scan.c (df_all_hard_regs): Removed.
19861 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
19862 (df_scan_free_internal): Added df->entry_block_defs.
19863 (df_scan_alloc): Ditto.
19864 (df_scan_dump): Ditto.
19865 (df_uses_record): Plumbed flag field properly thru calls.
19866 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
19867 This part fixes PR24762.
19868 (df_bb_refs_record): Added code to make the frame and arg
19869 pointers live in EH blocks.
19870 (df_refs_record): Added call to df_record_entry_block_defs.
19871 (df_record_entry_block_defs): New function.
19872 * df-core.c: Added comments to describe new artifical defs.
19873 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
19874 (entry_block_defs): New field in struct df.
19875 (df_all_hard_regs): Deleted.
19876 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19877 * df-problems.c (df_ru_bb_local_compute_process_def):
19878 Added code to handle artifical defs in the entry to a function.
19879 (df_ru_bb_local_compute): Ditto.
19880 (df_rd_bb_local_compute_process_def): Ditto.
19881 (df_rd_bb_local_compute): Ditto.
19882 (df_lr_bb_local_compute): Ditto.
19883 (df_ur_bb_local_compute): Ditto.
19884 (df_urec_bb_local_compute): Ditto.
19885 (df_chain_create_bb): Ditto.
19886 (df_ur_local_finalize): Removed entry.
19887 (df_urec_init): Ditto.
19888 (df_urec_local_finalize): Ditto.
19889 (df_ri_bb_compute): Added detection of last use of pseudos.
19890 * Makefile.in (df-scan.o): Updated dependencies.
19891 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
19892 * config/mips/mips.c (mips_set_live_on_entry): Added.
19893 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
19895 * dce.c (marked_insn_p): Added code to handle artifical defs.
19897 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19899 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
19901 (_mm_cvtsi128_si64): Likewise.
19902 (_mm_cvtsd_si64): Likewise.
19903 (_mm_cvttsd_si64): Likewise.
19904 (_mm_cvtsi64_sd): Likewise.
19905 (_mm_cvtsi64_si128): Likewise.
19906 * config/i386/mmintrin.h (_m_from_int64): Likewise.
19907 (_mm_cvtsi64_m64): Likewise.
19908 (_m_to_int64): Likewise.
19909 (_mm_cvtm64_si64): Likewise.
19910 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
19911 (_mm_cvttss_si64): Likewise.
19912 (_mm_cvtsi64_ss): Likewise.
19913 (_mm_cvtss_f32): Likewise.
19915 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
19917 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
19918 for pragma redefine_extname.
19920 2006-01-27 Jakub Jelinek <jakub@redhat.com>
19923 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
19924 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
19925 -mno-minimal-toc to previous content.
19926 (bispecs): Remove goal.
19927 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
19928 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
19929 compatibility aliases on powerpc-*-*gnu*.
19930 * config/rs6000/libgcc-ppc-glibc.ver: New file.
19931 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
19932 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
19933 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
19934 (ldblspecs): New goal.
19935 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
19936 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
19938 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
19939 L_sf_to_tf or L_df_to_tf is defined.
19941 2006-01-27 David Edelsohn <edelsohn@gnu.org>
19942 Alan Modra <amodra@bigpond.net.au>
19945 * config/rs6000/linux.h (POWERPC_LINUX): Define.
19946 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
19947 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
19948 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
19949 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
19950 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
19951 (rs6000_override_options): Initialize rs6000_ieeequad.
19952 Initialize TFmode format to ibm_extended_format if not
19954 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
19956 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
19957 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
19958 (function_arg_advance): IBM long double passed in two FPRs, not
19960 (function_arg): IBM long double passed in FPRs.
19961 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
19962 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
19963 Only multireg GPR aligned.
19964 (rs6000_init_libfuncs): Enable IBM long double functions if not
19966 (rs6000_generate_compare): Use IBM long double compare if not
19968 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
19969 (TARGET_IEEEQUAD): Define.
19970 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
19971 not TARGET_IEEEQUAD.
19972 * config/rs6000/rs6000.md: Enable TFmode patterns if
19974 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
19975 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19976 and -mlong-double-128 are incompatible.
19977 * doc/invoke.texi (-mabi): Collect options together. Add
19978 ibmlongdouble and ieeelongdouble.
19980 2006-01-27 Richard Sandiford <richard@codesourcery.com>
19982 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
19984 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
19985 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
19986 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
19987 * rtl.h (rtunion_def): Remove rt_ptr.
19989 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
19990 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
19991 * config/i386/winnt.c (i386_pe_mark_dllexport)
19992 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
19994 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
19996 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
19998 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20002 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
20003 pthread_key_delete. From John David Anglin. gthrw-ify
20004 pthread_getunique_np only if it it's not a macro. Delete
20006 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
20007 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
20008 __gthread_objc_condition_signal, __gthread_key_delete): Add
20009 "__attribute__ ((__unused__))" to unused arguments.
20010 (__gthread_recursive_mutex_init_function): Add missing return.
20011 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
20012 gthr-posix95.h: Use macro-based approach for name redirection
20013 on targets missing weakref.
20015 2006-01-26 Zack Weinberg <zackw@panix.com>
20017 * genconditions.c (write_header): In generated code, #ifdef out
20018 all includes and fake declarations, except includes of bconfig.h
20019 and system.h, unless GCC_VERSION >= 3001. Do not include
20020 gensupport.h in any case.
20021 (write_conditions): Generate a definition of struct c_test. Add
20022 a comment to the generated #endif.
20023 (write_one_condition): Escape backslashes in string too.
20024 (write_writer): Generated code must escape backslashes and quote
20025 marks (but not newlines) in the strings it writes.
20026 * Makefile.in (build/gencondmd.o): Update dependencies.
20028 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20031 * Makefile.in (insn-automata.o): Add header file dependencies.
20032 * genautomata.c: Add includes.
20034 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20037 * Makefile.in (insn-automata.o): Add -Wno-error flag.
20039 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20041 * configure.ac: Expect target tools paths to be passed from the toplevel
20042 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
20044 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
20046 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20049 * c.opt (Wpointer-sign): Init to -1.
20050 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
20051 OPT_pedantic, to 0 otherwise.
20052 * doc/invoke.texi: Update.
20054 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20056 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
20057 constants provided by 80387 instructions in the destination mode.
20059 2006-01-26 Richard Guenther <rguenther@suse.de>
20060 Andrew Pinski <pinskia@physics.uc.edu>
20063 partial PR tree-opt/17064
20064 * tree-ssa-structalias.c (intra_create_variable_infos):
20065 Create heap variables for incoming parameters if
20066 flag_argument_noalias > 1.
20067 (find_what_p_points_to): Look through default defs of
20070 2006-01-26 Jeff Law <law@redhat.com>
20073 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
20074 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
20075 within the VR_RANGE, use the VR_RANGE as the result, not the
20077 (adjust_range_with_scev): Reject ranges from SCEV which are out of
20078 bounds for the type.
20080 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
20082 * tree-ssa-alias.c (maybe_create_global_var): Change
20083 subvar walking to an assertion that we don't have subvar'd variables.
20085 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
20088 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
20089 Use a new variable, inner. PARM_DECLs are always non-weak.
20091 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
20093 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
20094 --disable-checking.
20096 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
20098 * config/mips/mips.md (*clear_upper32): New combiner pattern.
20100 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
20102 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
20103 (smax_insn, smin_insn, smax_0, smin_0): New.
20105 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
20108 * config/cris/cris.c (cris_order_for_addsi3): New function.
20109 * config/cris/cris-protos.h: Prototype it.
20110 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
20111 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
20112 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
20113 (split for "op.S1 [rx=rx+i],ry (swapped)")
20114 (split for "op(s|u).S1 [rx=rx+i],ry")
20115 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
20116 Apply cris_order_for_addsi3 when generating addsi3 insns.
20118 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20120 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
20121 (TREE_BLOCK): Add call to EXPR_CHECK.
20123 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20126 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
20127 * tree-pretty-print.c (dump_omp_clause): Extract from ...
20128 (dump_omp_clauses): ... here.
20129 (dump_generic_node): Handle OMP_CLAUSE.
20130 * tree.c (omp_clause_num_ops): New.
20131 (omp_clause_code_name): New.
20132 (tree_code_size): Handle OMP_CLAUSE.
20133 (tree_size): Likewise.
20134 (make_node): Document handling of OMP_CLAUSE.
20135 (tree_node_structure): Handle OMP_CLAUSE.
20136 (omp_clause_check_failed): New.
20137 (omp_clause_range_check_failed): New.
20138 (omp_clause_operand_check_failed): New.
20139 (build_omp_clause): New.
20140 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20141 * tree.h (enum omp_clause_code): Declare.
20142 (OMP_CLAUSE_SUBCODE_CHECK): Define.
20143 (OMP_CLAUSE_RANGE_CHECK): Define.
20144 (OMP_CLAUSE_ELT_CHECK): Define.
20145 (omp_clause_check_failed): Declare.
20146 (omp_clause_operand_check_failed): Declare.
20147 (omp_clause_range_check_failed): Declare.
20148 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20149 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20150 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20151 (OMP_CLAUSE_LASTPRIVATE): Likewise.
20152 (OMP_CLAUSE_IF_EXPR): Likewise.
20153 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20154 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20155 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
20156 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
20157 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20158 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20159 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20160 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20161 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
20162 (OMP_CLAUSE_CODE): Define.
20163 (OMP_CLAUSE_SET_CODE): Define.
20164 (OMP_CLAUSE_CODE): Define.
20165 (OMP_CLAUSE_OPERAND): Define.
20166 (struct tree_omp_clause): Declare.
20167 (union tree_node): Add field 'omp_clause'.
20168 * treestruct.def (TS_OMP_CLAUSE): Define.
20169 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20170 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20171 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20172 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20173 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20174 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20175 (OMP_CLAUSE): Define.
20176 * print-tree.c (print_node): Handle OMP_CLAUSE.
20177 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20178 * c-typeck.c: Likewise.
20179 * gimplify.c: Likewise.
20180 * c-omp.c: Likewise.
20181 * tree-nested.c: Likewise.
20182 * tree-inline.c: Likewise.
20183 * c-parser.c: Likewise.
20184 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20187 2006-01-25 Roger Sayle <roger@eyesopen.com>
20189 PR rtl-optimization/25703
20190 * combine.c (try_combine): Handle zero_extract and strict_low_part
20191 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20193 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
20195 * global.c: Fix comment typos.
20197 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
20200 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20201 Use output_addr_const instead of assemble_name.
20203 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
20205 * Makefile.in (sched-vis.o): Update dependencies.
20206 * haifa-sched.c (sched_finish): Clear current_sched_info.
20207 * cfg.c (dump_bb_info): New, split from dump_flow_info.
20208 (dump_flow_info): Call it.
20209 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20211 * basic-block.h (dump_bb_info): Declare.
20212 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20213 option, and apply options only for dump files whose TDF_RTL,
20214 TDF_TREE, or TDF_IPA bits match.
20215 * rtl.h: Declare new functions exported from sched-vis.c.
20216 * sched-vis.c: Enable also if scheduling is not used.
20217 (print_value): Print the mode of registers if not inside scheduling.
20218 (print_insn): Make it work outside the scheduler. Beautify the output
20220 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20222 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20224 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20225 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20226 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20227 depending on the value of CONSTANT_POOL_ADDRESS_P.
20228 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20230 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20231 rather than SYMBOL_REF_DECL.
20232 (rtx_constant_pool): Remove const_rtx_sym_htab.
20233 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20234 (init_varasm_status): Don't initialize const_rtx_sym_htab.
20235 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20236 Remove handling of const_rtx_sym_htab.
20237 (find_pool_constant): Delete.
20238 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20239 rather than find_pool_constant.
20240 (get_pool_constant_for_function): Delete.
20241 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20242 find_pool_constant.
20243 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20244 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20245 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20246 (SYMBOL_REF_CONSTANT): New macro.
20247 (get_pool_constant_for_function): Delete.
20248 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20249 rather than SYMBOL_REF_DECL.
20250 (i386_pe_mark_dllimport): Likewise.
20251 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20252 rather than SYMBOL_REF_DECL.
20253 * config/darwin.c (machopic_indirect_data_reference): Likewise.
20254 (machopic_indirect_call_target): Likewise.
20256 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
20258 * flow.c (delete_noop_moves): Add missing EOL to dump message.
20260 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20262 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
20264 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
20266 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
20268 2006-01-24 David Daney <ddaney@avtrex.com>
20271 * configure.ac (enable_tls): New enable option.
20272 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
20273 * configure: Regenerate.
20274 * doc/install.texi (--enable-tls): Document new option.
20275 (--disable-tls): Ditto.
20277 2006-01-24 Richard Henderson <rth@redehat.com>
20279 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
20280 * alias.c (true_dependence): Respect it.
20281 (canon_true_dependence, write_dependence_p): Likewise.
20282 * builtins.c (get_builtin_sync_mem): Set it.
20284 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
20286 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
20289 2006-01-24 DJ Delorie <dj@redhat.com>
20291 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
20292 for storing constants in single-bit bitfields.
20294 2006-01-25 Ben Elliston <bje@au.ibm.com>
20296 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
20298 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
20301 * tree-ssa-pre.c (phi_translate): Return NULL
20302 for AGGREGATE_TYPE's.
20304 2006-01-24 Zack Weinberg <zackw@panix.com>
20306 * genautomata.c (process_state_for_insn_equiv_partition):
20307 Use xcalloc for insn_arcs_array.
20308 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
20309 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
20311 2006-01-24 Richard Henderson <rth@redhat.com>
20313 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
20314 update all callers.
20316 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
20318 PR rtl-optimization/25890
20319 PR rtl-optimization/25905
20320 * combine.c (expand_compound_operation, expand_field_assignment):
20321 Fail if the bitfield's final position is out of bounds.
20323 2006-01-24 Ian Lance Taylor <ian@airs.com>
20325 PR middle-end/25930
20326 * cgraphunit.c (cgraph_output_in_order): Don't clear
20327 cgraph_asm_nodes until after asm strings have been output.
20329 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
20331 * fix-header.c (read_scan_file): Add new parameter imultilib when
20332 calling register_include_chains.
20334 2006-01-23 Diego Novillo <dnovillo@redhat.com>
20336 * omp-low.c: Update documentation.
20338 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20339 Daniel Berlin <dberlin@dberlin.org>
20343 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
20344 return from the function.
20346 2006-01-22 Zack Weinberg <zackw@panix.com>
20348 * rtl.def (match_code): Add second argument.
20349 * genpreds.c (write_extract_subexp): New function.
20350 (write_match_code): Add path argument. Use write_extract_subexp.
20351 (write_predicate_expr): Pass path to write_match_code.
20352 (mark_mode_tests): MATCH_CODE applied to a subexpression does
20353 not perform a mode test.
20354 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
20355 a subexpression does not constrain the top-level code set.
20356 * read-rtl.c (read_rtx_variadic): New function.
20357 (read_rtx_1): Use it; allow AND and IOR to be variadic.
20358 * doc/md.texi: Document new notation.
20359 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
20360 (cmpsi_operand): ... here, using new notation.
20362 2006-01-22 Zack Weinberg <zackw@panix.com>
20364 * varray.c: Remove GENERATOR_FILE #ifdefs.
20366 2006-01-22 Zack Weinberg <zackw@panix.com>
20368 * genautomata.c (output_reserved_units_table): Emit nothing if
20369 description->query_units_num is zero. Remove extra blank line.
20370 (output_cpu_unit_reservation_p): Short circuit
20371 if description->query_units_num is zero.
20373 2006-01-22 Zack Weinberg <zackw@panix.com>
20375 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
20376 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
20377 nor any of the random handful of variables that used to be necessary
20378 when this program was linked with rtlanal.o. Prune set of forward
20379 function declarations.
20380 (struct attr_desc): Remove static_p field.
20381 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
20382 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
20383 (attr_string): Do not read the character one past the length of
20385 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
20386 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
20387 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
20388 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
20389 (make_automaton_attrs): New.
20390 (main): Do not call into genautomata. Call local gen_bypass
20391 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
20392 Remove special case for insn_alts.
20393 * genautomata.c: Include gensupport.h; not genattrtab.h nor
20394 varray.h (leftover from previous change). Prune set of forward
20395 function declarations. Remove state_alts fields from all
20396 structures. Remove state_alts_table from struct automaton.
20397 Make everything except main static. Do not maintain num_dfa_decls.
20398 Do not maintain state_alts fields of various structures.
20399 (process_decls): Don't validate condexp for dm_insn_reserv decls.
20400 (add_arc): Remove state_alts argument. All callers updated.
20401 (output_reserved_units_table): Emit #ifdef here...
20402 (output_tables): ...not here. Don't generate state_alts tables.
20403 (expand_automata): Don't generate attributes.
20404 (write_automata): Don't generate state_alts functions.
20405 (main): New function.
20406 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
20407 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
20408 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
20409 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20410 (BYPASS_P_FUNC_NAME, output_state_alts_table)
20411 (output_automata_list_state_alts_code, output_internal_state_alts_func)
20412 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20413 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20415 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20416 * genattrtab.h: Delete file.
20417 * Makefile.in (OBJS-common): Add insn-automata.o.
20418 (insn-automata.o): New rule.
20419 (simple_generated_c): Add insn-automata.c.
20420 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20421 (genprogmd): Add automata.
20422 (build/genattrtab): Needs no extra objects nor libraries.
20423 (build/genautomata): Needs build/vec.o and -lm.
20425 2006-01-22 Zack Weinberg <zackw@panix.com>
20427 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20428 (output_dfa_max_issue_rate, locked_states_num): Delete.
20429 (struct automaton): Add locked_states field.
20430 (output_dead_lock_vect): Save number of locked states in
20431 automaton->locked_states. If it is zero, don't print anything.
20432 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20433 (output_internal_dead_lock_func): Only test the dead_lock_vect
20434 for automata that have locked states.
20435 (output_statistics): Always print the number of locked states for
20436 each automaton. Calculate total number of locked states here.
20437 (write_automata): Don't call output_dfa_max_issue_rate.
20438 * genattrtab.c: Define length_unit_log as a const variable.
20439 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20440 max_insn_queue_index const.
20441 * final.c (length_unit_log): Declare const.
20442 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20444 2006-01-22 Zack Weinberg <zackw@panix.com>
20446 * genautomata.c: Include vec.h, not varray.h.
20447 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20448 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20449 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20450 VEC_* macros operating on appropriately typed vectors, or to
20451 malloced arrays when the size is known in advance. Const-ify
20452 many char* variables and function arguments. No functional changes.
20453 * Makefile.in (build/varray.o): Delete rule.
20454 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20455 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20457 2006-01-22 Zack Weinberg <zackw@panix.com>
20459 * gensupport.c: Define get_insn_name and record_insn_name here.
20460 (read_md_rtx): Call record_insn_name as appropriate.
20461 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20462 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20463 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20465 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20466 (BUILD_VARRAY): Delete.
20467 (genprognormal): Rename genprogmd. Fold in all programs from
20468 genprognoprint; also attrtab.
20469 (build/genattrtab): Just mention genautomata.o and varray.o.
20470 Reorganize a bit, add comments to make the categories clearer.
20472 2006-01-22 Zack Weinberg <zackw@panix.com>
20474 * genconditions.c (condition_table, add_condition): Delete.
20475 (write_conditions): Don't emit n_insn_conditions nor
20476 insn_elision_unavailable. Issue the gcc version #ifdef here,
20477 inside the table, with no #else clause ...
20478 (write_header): ...not here.
20479 (write_writer): New function.
20480 (main): Don't initialize condition_table. Use add_c_test.
20482 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20483 files on the command line.
20484 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20485 Return -1 if there is no entry in the table, don't abort.
20486 (add_c_test, traverse_c_tests): New functions.
20487 * gensupport.h (insn_elision_unavailable, insn_conditions)
20488 (n_insn_conditions): Delete declarations.
20489 (add_c_test, traverse_c_tests): Declare.
20490 * read-rtl.c: Include gensupport.h.
20491 (read_conditions): New function.
20492 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20493 (read_rtx_1): If we get EOF when we were looking for an initial
20494 open paren, return 0. Call read_conditions when appropriate.
20495 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20496 dummy-conditions.o. Eliminate references to insn-conditions.o,
20497 or change them to build/gencondmd.o, as appropriate. Remove
20498 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20499 from $(simple_generated_c). For all files remaining in those
20500 two lists, add insn-conditions.md to the generator command line.
20501 Give insn-constants.h/s-constants their own rules. Add rules
20502 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20503 (build/read-rtl.o): Depend on gensupport.h.
20504 (genprognormal): Include preds.
20505 (genprogearly): Rename genprognoprint; only difference is now that
20506 they don't link with $(BUILD_PRINT).
20507 * dummy-conditions.c: Delete.
20509 2006-01-22 Zack Weinberg <zackw@panix.com>
20511 * genextract.c: Don't include insn-config.h. Do include vec.h.
20512 Declare vectors of int, char, and locstr.
20513 (locstr): New typedef.
20514 (struct extraction): Make all array fields into bare pointers.
20515 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20516 (insn_code_number): Delete.
20517 (accum_extract): New struct.
20518 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20519 (gen_insn): Take insn_code_number as an argument. Use an
20520 accum_extract structure instead of loading data directly into
20521 a struct extraction, and having to know how big it might get.
20522 (walk_rtx): Operate entirely on an accum_extract structure.
20523 (print_path): Avoid unnecessary use of printf.
20524 (print_header): New function, split out of main. Distinguish
20525 more carefully between an unrecognizable insn and an insn that
20526 has the code number of a define_expand.
20527 (main): Pass insn_code_number to gen_insn. Call print_header
20528 only after parsing. Avoid unnecessary use of printf.
20529 * Makefile.in (build/vec.o): New rule.
20530 (build/genextract): Depend on build/vec.o.
20531 (build/genextract.o): Don't depend on insn-config.h.
20533 2006-01-22 Zack Weinberg <zackw@panix.com>
20535 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20536 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20537 practical. Eliminate per-generator-program link rules.
20539 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20541 PR middle-end/24437
20542 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20543 with a call expr to ...
20544 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20546 2006-01-23 Richard Guenther <rguenther@suse.de>
20548 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20549 before make_edge with conditional EDGE_TRUE_VALUE.
20551 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20552 Jan Hubicka <jh@suse.cz>
20553 Richard Guenther <rguenther@suse.de>
20555 PR rtl-optimization/25654
20556 * cfgexpand.c (aggregate_contains_union_type): New function.
20557 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20558 for structure variables that contain a union type.
20560 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20562 * gengtype.c (new_structure): Return the structure.
20563 (create_option): Add an extra "next" argument.
20564 (create_field): New function.
20565 (adjust_field_rtx_def): Use create_option and create_field.
20566 Remove a now-unnecessary call to find_structure.
20567 (adjust_field_tree_def): Likewise.
20568 (note_yacc_type): Remove an unnecessary call to find_structure.
20569 * gengtype.h (new_structure): Return the structure.
20570 (create_option): Add an extra argument.
20571 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20572 (option): Adjust calls to create_option.
20574 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20576 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20578 2006-01-22 Paul Brook <paul@codesourcery.com>
20579 Peter Barada <peter@the-baradas.com>
20581 * config/m68k/m68k.md: Add Coldfire FPU support.
20582 Define FP mode macro and associated attributes.
20583 Use it for float mode patterns.
20584 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20585 (LIBCALL_VALUE): Use m68k_libcall_value.
20586 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20587 (m68k_function_value): Ditto.
20588 (emit_move_sequence): Ditto.
20589 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20590 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20591 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20592 (MULTILIB_EXCEPTIONS): Ditto.
20593 * config/m68k/m68k.opt: Add mcfv4e.
20594 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20595 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20596 (m68k_output_function_prologue): Save ColdFire FPU registers.
20597 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20598 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20599 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20600 ColdFire FPU registers.
20601 (m68k_libcall_value, m68k_function_value): New functions.
20602 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20603 (LIBCALL_VALUE): Use m68k_libcall_value.
20604 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20605 (MASK_COLDFIRE): Add MASK_CFV4E.
20606 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20607 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20608 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20609 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20610 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20611 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20612 * doc/invoke.tex: Document -mcfv4e on m68k.
20614 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20616 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20619 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
20622 * c-opts.c (c_common_handle_option): Don't include
20623 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
20624 * doc/invoke.texi (C++ Dialect Options): Document that
20625 -Wnon-virtual-dtor is no longer included in -Wall.
20627 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
20629 * gcov.c (print_version), gcov-dump.c (print_version),
20630 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
20633 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
20635 * df-scan.c (problem_SCAN): Added NULL reset function.
20636 (df_scan_reset_blocks): Added code to call reset block function
20637 (df_bb_refs_delete) Fixed comment.
20638 (df_insn_refs_delete): Made tolerant of deleting non existent info
20639 for dataflow problems that need to be reset.
20640 * df-core.c (df_set_blocks): Ditto.
20641 * df.h (struct df_problem): Added reset_fun.
20642 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
20643 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
20644 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
20645 functions to clear out all references to def-use or use-def chains.
20647 2006-01-21 Ben Elliston <bje@au.ibm.com>
20649 * varasm.c (assemble_real): Initialise data array.
20651 2006-01-20 Paul Brook <paul@codesourcery.com>
20653 Merge from csl-arm-branch.
20654 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
20655 * config/arm/arm.md (movdi): Force operands[1] to a register
20656 if we have a non-register source.
20657 (*arm_movdi, *movdf_soft_insn): Require that one of the
20658 operands be a register.
20659 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
20660 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
20662 2006-01-20 DJ Delorie <dj@redhat.com>
20664 * varasm.c (initializer_constant_valid_p): Allow pointers
20665 initialized from integer constants of lesser precision.
20666 (output_constant): Allow non-int-sized pointer modes to be
20667 initialized from integer constants.
20669 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
20672 * cppdefault.h (struct default_include): Add multilib flag.
20673 * cppdefault.c (cpp_include_defaults): Set it.
20674 * c.opt (-imultilib): New option.
20675 * c-opts.c (imultilib): New.
20676 (c_common_handle_option): Handle -imultilib.
20677 (c_common_post_options): Likewise.
20678 * c-incpath.c (add_standard_paths, register_include_chains):
20680 * c-incpath.h (register_include_chains): Add extra parameter.
20681 * gcc.c (do_spec_1): Generate -imultilib option.
20682 (The Specs Language): Update %I description.
20683 (process_command): Update copyright notice.
20684 * doc/cppopts.texi (-imultilib): Document.
20685 * doc/invoke.texi (-imultilib): Include in option summary.
20686 (%I): Update specs documentation.
20688 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20690 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
20692 2006-01-20 Richard Sandiford <richard@codesourcery.com>
20694 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
20697 2006-01-20 Richard Guenther <rguenther@suse.de>
20698 Steven Bosscher <stevenb.gcc@gmail.com>
20700 PR rtl-optimization/24626
20701 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
20702 EDGE_TRUE_VALUE if in RTL mode.
20705 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
20706 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
20708 2006-01-20 Dirk Mueller <dmueller@suse.com>
20711 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
20712 instead of a special NOP marker.
20713 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
20714 NOP marker handling.
20715 * c-common.h (empty_body_warning): Add forward declaration.
20716 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
20717 Now uses IS_EMPTY_STMT() instead of special NOP markers.
20719 2006-01-20 Paul Brook <paul@codesourcery.com>
20721 * Makefile.in (lang_checks): Keep going if mkdir fails.
20723 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20725 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
20726 be able to clean out basic block when not necessary.
20727 (df_scan_free): Fixed to properly delete information if df is
20728 unused before calling df_finish.
20729 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
20730 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
20732 (df_bb_refs_delete): New function.
20733 (df_refs_delete): Moved per block code to df_bb_refs_delete.
20734 * df-core.c (df_set_blocks): Added code to properly clean out
20735 unused blocks if they are not part of the blocks to consider.
20736 Added additional null check.
20737 (df_compact_blocks): Added basic block parameter to free_bb_fun to
20738 be able to clean out basic block when not necessary
20739 * df.h (df_free_bb_function): Ditto.
20740 (df_bb_refs_delete): New function.
20741 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
20742 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
20743 basic block parameter to be able to clean out basic block when not
20745 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
20746 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
20747 Fixed to properly delete information if df is unused before
20750 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20752 PR rtl-optimization/25799
20753 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
20754 Corrected confluence operator to remove bits from op2 before oring
20755 with op1 rather than removing bits from op1.
20756 (df_ru_transfer_function): Corrected test on wrong bitmap which
20757 caused infinite loop. Both of these problems were introduced in
20758 the dataflow rewrite.
20760 2006-01-19 DJ Delorie <dj@redhat.com>
20762 * reload1.c (find_reload_regs): Note the details of reload
20763 failures in the dump file.
20764 (spill_failure): Likewise.
20766 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20768 * loop-iv.c: Include df.h and hashtab.h.
20769 (enum iv_grd_result): New enum.
20770 (DF_REF_IV, DF_REF_IV_SET): New macros.
20771 (struct biv_entry): New.
20772 (df, bivs): New global variables.
20773 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
20774 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
20776 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
20777 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
20778 analyzed_for_bivness_p, record_biv): New functions.
20779 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
20780 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
20781 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
20783 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
20785 (iv_number_of_iterations): Use new interface to iv analysis.
20786 * loop-unroll.c: Do not include varray.h.
20787 (analyze_iv_to_split_insn): Use new interface to iv
20789 * loop-unswitch.c (may_unswitch_on): Ditto.
20790 * df.c (df_bitmaps_free): Only work for bbs for that structures are
20792 (df_bb_modify): Realloc tables to the new index.
20793 (df_find_use): New function.
20794 * df.h (df_find_use): Declare.
20795 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
20797 * cfgloop.h (struct rtx_iv): Remove analysed field.
20798 (iv_get_reaching_def): Removed.
20799 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
20800 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
20801 (loop-iv.o): Add df.h and hashtab.h dependency.
20802 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
20804 2006-01-20 Alan Modra <amodra@bigpond.net.au>
20807 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
20809 (__floatundisf, __floatundidf): Likewise.
20810 * libgcc2.h (IS_IBM_EXTENDED): Define.
20812 2006-01-19 DJ Delorie <dj@redhat.com>
20814 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
20816 2006-01-19 Paul Brook <paul@codesourcery.com>
20818 * config/arm/arm.c (arm_compute_func_type): Treat all functions
20819 as nothrow when unwinding tables are disabled.
20821 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20824 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
20825 of bit-field" when in system header.
20827 2006-01-19 DJ Delorie <dj@redhat.com>
20829 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
20830 the 16 bit shift limit of the m16c.
20832 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
20835 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
20836 * config/i386/i386.c (output_set_got): Output the label if we have one
20837 for the TARGET_DEEP_BRANCH_PREDICTION case.
20839 2006-01-19 Jan Hubicka <jh@suse.cz>
20840 H.J. Lu <hongjiu.lu@intel.com>
20841 Evandro Menezes <evandro.menezes@amd.com>
20843 * invoke.texi (generic): Document
20845 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
20846 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
20847 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
20848 (x86_use_incdec, x86_pad_returns): New variables
20849 (TARGET_CPU_DEFAULT_generic): New constant
20850 (TARGET_CPU_DEFAULT_NAMES): Add generic.
20851 (enum processor_type): Add generic32 and generic64.
20852 * i386.md (cpu attribute): Add generic32/generic64
20853 (movhi splitter): Behave sanely when both partial_reg_dependency and
20854 partial_reg_stall are set.
20855 (K8 splitters): Enable for generic as well.
20856 * predicates.md (incdec_operand): Use TARGET_INCDEC
20857 (aligned_operand): Avoid memory mismatch stalls.
20858 * athlon.md: Enable for generic64, new patterns for 128bit moves.
20859 * ppro.md: Enable for generic32
20860 * i386.c (generic64_cost, generic32_cost): New.
20861 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
20862 (x86_use_leave): Enable for generic64. (x86_use_sahf,
20863 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
20864 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
20865 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
20866 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
20867 x86_partial_reg_dependency, x86_memory_mismatch_stall,
20868 x86_accumulate_outgoing_args, x86_prologue_using_move,
20869 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
20870 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
20871 Enable for generic.
20872 (x86_use_incdec, x86_pad_returns): New.
20873 (override_options): Add generic32 and generic64, translate "generic"
20874 to generic32/generic64 and "i686" to "generic32", refuse
20875 "generic32"/"generic64" as arch target.
20876 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
20877 (ix86_reorg): Honor PAD_RETURNS.
20879 2006-01-19 Diego Novillo <dnovillo@redhat.com>
20881 * tree-pretty-print.c (dump_generic_node): Handle
20882 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
20883 * cgraph.c (cgraph_expand_queue): Rename from
20884 cgraph_analyze_queue. Update all users.
20885 * cgraphunit.c (cgraph_assemble_pending_functions): Process
20886 cgraph_expand_queue.
20887 (cgraph_expand_all_functions): Likewise.
20888 (cgraph_finalize_pending_functions): Remove. Update callers.
20890 * tree.h (OMP_DIRECTIVE_P): Define.
20891 (OMP_PARALLEL_FN): Define.
20892 (OMP_PARALLEL_DATA_ARG): Define.
20893 (OMP_SECTIONS_SECTIONS): Define.
20894 * tree-pass.h (pass_expand_omp): Declare.
20895 * omp-low.c (struct omp_region): Declare.
20896 (struct omp_context): Remove fields 'parallel_type',
20897 'parallel_start_ix' and 'parallel_start_additional_args'.
20899 (struct omp_for_data): Rename from struct expand_omp_for_data.
20900 (omp_regions): New static variable.
20901 (root_omp_region): New static variable.
20902 (find_omp_clause): Make static.
20903 (is_in_combined_parallel_ctx): Remove.
20904 (is_combined_parallel): New.
20905 (extract_omp_for_data): Move earlier in the file.
20906 (workshare_safe_to_combine_p): New.
20907 (get_ws_args_for): New.
20908 (determine_parallel_type): Move earlier in the file.
20909 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
20911 (omp_copy_decl): Likewise.
20912 (create_omp_child_function): Likewise.
20913 (lookup_omp_region): New.
20914 (dump_omp_region): New.
20915 (debug_omp_region): New.
20916 (debug_all_omp_regions): New.
20917 (new_omp_region): New.
20918 (scan_omp_parallel): If parallel_nesting_level > 1, the
20919 directive is nested within another parallel directive.
20920 Set OMP_PARALLEL_FN.
20921 (scan_omp_for): Do not try to handle combined parallel+for
20923 Remove FIXME comment.
20924 (scan_omp_nested): Remove.
20925 (scan_omp_1): Do not call scan_omp_nested when
20926 parallel_nesting_level is > 1.
20927 Do not change the DECL_CONTEXT of local variables found.
20928 (lookup_decl_in_outer_ctx): New.
20929 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
20930 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
20931 (lower_reduction_clauses): Rename from expand_reduction_clauses.
20932 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
20933 If CTX is nested, lookup VAR in the outer context when
20934 building copy assignment.
20935 (lower_send_clauses): Rename from expand_send_clauses.
20936 If CTX is nested, lookup VAR in the outer context when
20937 building copy assignments.
20938 (lower_send_shared_vars): Rename from expand_send_shared_vars.
20939 If CTX is nested, lookup VAR in the outer context when
20940 building copy assignments.
20941 (expand_parallel_call): Rename from build_parallel_call.
20942 Handle combined parallel+workshare cases.
20943 Re-implement to emit code into the CFG.
20945 (expand_omp_parallel): Re-implement to emit code into the CFG.
20946 Call move_sese_region_to_fn to outline the sub-graph
20947 containing the parallel region.
20948 (expand_omp_for_1): Remove.
20949 (expand_omp_for_generic): Re-implement to emit code into the
20951 (expand_omp_for_static_nochunk): Likewise.
20952 (expand_omp_for_static_chunk): Likewise.
20953 (expand_omp_for): Likewise.
20954 (expand_omp_sections): Likewise.
20955 (remove_exit_barriers): New.
20956 (expand_omp_synch): New.
20958 (build_omp_regions_1): New.
20959 (build_omp_regions): New.
20960 (execute_expand_omp): New.
20961 (gate_expand_omp): New.
20962 (pass_expand_omp): Define.
20963 (lower_omp_sections): Rename from expand_omp_sections.
20964 Set OMP_SECTIONS_SECTIONS.
20965 (lower_omp_single_simple): Rename from expand_omp_single_simple.
20966 (lower_omp_single_copy): Rename from expand_omp_single_copy.
20967 (lower_omp_single): Rename from expand_omp_simple.
20968 (lower_omp_master): Rename from expand_omp_master.
20969 (lower_omp_ordered): Rename from expand_omp_ordered.
20970 (lower_omp_critical): Rename from expand_omp_critical.
20971 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
20972 (lower_omp_for): Re-implement.
20973 (lower_omp_parallel): Re-implement.
20974 (lower_regimplify): Rename from expand_regimplify.
20975 (lower_omp_1): Rename from expand_omp_1.
20976 If there are syntax errors in the program, replace every
20977 OpenMP directive with NOP.
20978 Call lower_omp_* instead of expand_omp_*.
20979 (lower_omp): Rename from expand_omp.
20981 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
20982 * tree-gimple.h (enum omp_parallel_type): Remove.
20983 (gimple_boolify): Declare extern.
20984 (find_omp_clause, determine_parallel_type): Remove.
20986 * gimple-low.c (lower_omp_directive): New.
20987 (lower_stmt): Call it.
20988 (record_vars_into): Move from ...
20989 (record_vars): ... here.
20990 Call record_vars_into with current_function_decl.
20992 * gimplify.c (struct gimplify_ctx): Remove fields
20993 combined_pre_p and combined_ctxp. Update users.
20994 (get_formal_tmp_var): Add documentation.
20995 (gimple_boolify): Make extern.
20996 (gimplify_expr_in_ctx): Remove. Update callers.
20997 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
20998 will always be a BIND_EXPR.
20999 (gimplify_expr): Handle OMP_RETURN_EXPR.
21000 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
21001 (OMP_PARALLEL): Add 3 operands.
21002 (OMP_SECTIONS): Add 1 operand.
21003 (OMP_RETURN_EXPR): Define.
21005 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
21006 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
21007 * tree-iterator.c (alloc_stmt_list): Assert that we are not
21008 creating a circular free list.
21009 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
21011 * tree-flow.h (move_sese_region_to_fn): Declare.
21012 (record_vars_into): Declare.
21013 * tree-cfg.c (make_omp_sections_edges): New.
21014 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
21015 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
21016 OMP_SECTIONS and OMP_SECTION.
21017 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
21018 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
21019 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
21020 (gather_blocks_in_sese_region): New.
21021 (struct move_stmt_d): Declare.
21022 (move_stmt_r): New.
21023 (move_block_to_fn): New.
21024 (move_sese_region_to_fn): New.
21026 * passes.c (init_optimization_passes): Schedule
21027 pass_expand_omp after pass_init_datastructures.
21029 * tree-ssa-operands.c (get_expr_operands): Handle
21030 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
21031 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
21033 2006-01-19 Jeff Law <law@redhat.com>
21035 * tree-vrp.c (extract_range_from_assert): Refine the result range
21036 if the variable referenced by the ASSERT_EXPR has a range and
21037 either the tentative result range or the previous range is a
21040 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21042 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
21044 2006-01-19 Jan Hubicka <jh@suse.cz>
21046 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
21048 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
21050 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
21051 (expand_compound_operation, expand_field_assignment): Fail if the
21052 bit lengths of an extract operation are out of range.
21053 (make_extraction): Compute wanted_inner_mode based on the position
21054 and length of the extraction. Make it extraction_mode for non-constant
21055 positions, and do not modify offset in that case. When generating a
21056 new MEM, use a mode that can hold the extraction while keeping correct
21057 alignment. Remove code that supported MEMs wrapped by USEs.
21058 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
21060 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
21062 * config/s390/s390.md ("Y", "y"): New mode attribute.
21063 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
21064 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
21065 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
21066 "*addsi3_imm_cc", "*addsi3_carry1_cc",
21067 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
21068 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
21069 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
21070 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
21071 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
21072 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
21073 "addsi3", "subsi3"): Insn patterns removed.
21074 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
21075 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
21076 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
21077 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
21078 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
21079 "*sub<mode>3_cconly2"): New insn patterns.
21080 ("addsi3", "subsi3"): New expanders.
21082 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
21084 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
21085 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
21086 existing STMT_VINFO_VECTYPE if available.
21087 (vect_mark_relevant): Add special handling for stmts that are
21088 marked as STMT_VINFO_IN_PATTERN_P.
21089 (vect_analyze_loop): Call vect_pattern_recog.
21090 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
21091 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
21093 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
21094 (vect_recog_func_ptr): New function-pointer type.
21095 * tree-vect-patterns.c: New file.
21096 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
21097 (vect_recog_dot_prod_pattern, vect_pattern_recog):
21098 (vect_pattern_recog_1): New functions.
21099 (vect_pattern_recog_funcs): New array of function pointers.
21101 * tree-vectorizer.h (ternary_op): New enum value.
21102 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
21103 declaration. Revised documentation. Removed redundant dump prints.
21104 Removed redundant argument. Added support for reduction patterns.
21105 (vectorizable_reduction): Added support for reduction patterns.
21106 (vect_transform_stmt): Added support for patterns.
21108 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
21109 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
21110 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
21111 (expand_widen_pattern_expr): New function.
21112 (init_optabs): Initialize new optabs udot_prod_optab,
21114 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
21115 (sdot_prod_optab, udot_prod_optab): Define new optabs.
21116 (expand_widen_pattern_expr): New function declaration.
21117 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
21119 * tree-inline.c (estimate_num_insns_1): Added cases for new
21120 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21121 * tree-pretty-print.c (dump_generic_node): Likewise.
21122 (op_prio): Likewise.
21123 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21124 * tree-ssa-operands.c (get_expr_operands): Added case for
21126 * tree-vect-patterns.c (widened_name_p): New function.
21127 (vect_recog_dot_prod_pattern): Added function implementation.
21128 * tree-vect-transform.c (get_initial_def_for_reduction): Added
21129 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
21130 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
21131 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21133 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21134 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21135 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21136 (init_optabs): Initialize new optabs widen_ssum_optab,
21138 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21139 (widen_ssum_optab, widen_usum_optab): Define new optabs.
21140 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
21141 use instead of type of def.
21142 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21143 function implementation.
21144 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
21145 widen_ssumv8hi): New.
21147 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21150 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21153 * c-decl.c (add_flexible_array_elts_to_size): New function.
21154 (finish_decl): Use it.
21156 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
21158 * diagnostic.h: Include options.h.
21159 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21160 dependancies for diagnostic.h.
21161 * Makefile.in (DIAGNOSTIC_H): Add options.h.
21163 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
21165 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21166 (ssa_ro_call_cache_valid): Ditto.
21167 * tree-ssa-alias.c (sort_tags_by_id): New function.
21168 (init_transitive_clobber_worklist): Ditto.
21169 (add_to_worklist): Ditto.
21170 (mark_aliases_call_clobbered): Ditto.
21171 (compute_tag_properties): Ditto.
21172 (set_initial_properties): Ditto.
21173 (compute_call_clobbered): Ditto.
21174 (compute_may_aliases): Call compute_call_clobbered and grouping.
21175 (compute_flow_sensitive_aliasing): Remove clobbering related code.
21176 (compute_flow_insensitive_aliasing): Grouping now happens in our
21178 (setup_pointers_and_addressables): Remove clobbering related code.
21179 (add_may_alias): Ditto.
21180 (replace_may_alias): Ditto.
21181 (get_nmt_for): Ditto.
21182 (create_global_var):
21183 (is_escape_site): Return an escape_type enumeration.
21184 * tree-flow-inline.h (is_call_clobbered): Global var does not
21185 imply call clobbered.
21186 (mark_call_clobbered): Take a reason for marking this. Remove
21187 marking of globalness, and cache invalidation.
21188 (clear_call_clobbered): Remove cache invalidation code.
21189 * tree-dfa.c (dump_variable): If details is on, dump the reason
21191 * tree-outof-ssa.c (create_temp): Copy escape mask from original
21193 * tree-flow.h (struct ptr_info_def): Add escape mask member.
21194 (struct var_ann_d): Ditto.
21195 (enum escape_type): New.
21196 (mark_call_clobbered): Adjust prototype.
21197 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21198 are never call clobbered.
21199 Record reasons for escaping.
21200 * tree-ssa-structalias.h (is_escape_site): Update prototype.
21201 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21202 (ssa_ro_call_cache_valid): Ditto.
21203 (clobbered_v_may_defs): Ditto.
21204 (clobbered_vuses): Ditto.
21205 (ro_call_vuses): Ditto.
21206 (clobber_stats): New.
21207 (init_ssa_operands): Zero out clobber stats.
21208 (fini_ssa_operands): Print out clobber stats.
21209 (get_call_expr_operands): Pass callee fndecl to
21210 add_call_read_ops).
21211 (add_call_clobber_ops): Remove use of cache.
21212 Add use of PURE_CONST information.
21213 (add_call_read_ops): Remove use of cache.
21214 Add use of static not_read information.
21216 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
21218 Introduce TLS descriptors for i386 and x86_64.
21219 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21220 (TARGET_ANY_GNU_TLS): New macro.
21221 (enum tls_dialect): Added TLS_DIALECT_GNU2.
21222 (struct machine_function): Add tls_descriptor_call_expanded_p.
21223 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21224 (ix86_current_function_calls_tls_descriptor): Likewise.
21225 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21226 (override_options): Introduce gnu2 tls dialect.
21227 (ix86_frame_pointer_required): Functions containing TLSCALLs are
21229 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21231 (legitimize_tls_address): Adjust logic for GNU2 TLS.
21232 (ix86_init_machine_status): Initialize new field.
21233 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21234 (ix86_tls_module_base): New.
21235 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21236 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21237 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21238 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21239 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21240 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21241 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21242 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21243 * config/i386/predicates.md (tls_modbase_operand): New.
21244 (tp_or_register_operand): New.
21246 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
21248 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21249 (look_for_address_of): Ditto.
21250 (ipa_init): Walk the function decls.
21251 (static_execute): Don't set readonly on FUNCTION_DECL's.
21253 2006-01-18 Roger Sayle <roger@eyesopen.com>
21255 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21256 for shifts where the source and destination registers are different.
21258 2006-01-18 Paul Brook <paul@codesourcery.com>
21260 Merge from csl-arm-branch.
21261 2005-03-14 Julian Brown <julian@codesourcery.com>
21262 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
21263 (aeabi_llsl): Likewise.
21264 (ashrdi3): Likewise.
21265 (aeabi_lasr): Likewise.
21266 (lshrdi3): Likewise.
21267 (aeabi_llsr): Likewise.
21268 2005-03-10 Julian Brown <julian@codesourcery.com>
21269 * config.gcc: Disable shared libgcc for SymbianOS.
21270 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
21272 2006-01-18 DJ Delorie <dj@redhat.com>
21274 * c-pragma.c (handle_pragma_diagnostic): New.
21275 (init_pragma): Register it.
21276 * doc/extend.texi: Document it.
21278 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
21279 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
21280 (diagnostic_context): Add classify_diagnostic[].
21281 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
21282 as errors if they're overridden to DK_WARNING.
21283 (diagnostic_initialize): Initialize classify_diagnostic[].
21284 (diagnostic_set_kind_override): New.
21285 (diagnostic_report_diagnostic): Check for kind changes.
21286 * opts.c (common_handle_option): Take lang_mask. Update callers.
21287 Handle OPT_Werror_.
21288 * common.opt (Werror=): New.
21289 * doc/invoke.texi: Document -Werror=*
21291 2006-01-18 Jeff Law <law@redhat.com>
21293 * tree-vrp.c (test_for_singularity): Correct test for new
21294 min limit. Use operand_equal_p rather than pointer equality
21295 for testing if new min/max values are equal.
21297 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
21298 using range information until after propagation and folding.
21300 2006-01-18 Richard Henderson <rth@redhat.com>
21301 Aldy Hernandez <aldyh@redhat.com>
21302 Jakub Jelinek <jakub@redhat.com>
21303 Diego Novillo <dnovillo@redhat.com>
21305 * omp-low.c: New file.
21306 * c-omp.c: New file.
21308 2006-01-18 Richard Henderson <rth@redhat.com>
21309 Jakub Jelinek <jakub@redhat.com>
21310 Diego Novillo <dnovillo@redhat.com>
21312 * doc/invoke.texi: Document -fopenmp.
21313 * tree-dump.h (debug_function): Declare.
21314 * hooks.c (hook_bool_tree_bool_false): New function.
21315 (hook_tree_tree_null): Remove.
21316 (hook_tree_tree_tree_null): New.
21317 * hooks.h: Update to match.
21318 * tree-pretty-print.c (debug_tree_chain): New.
21319 (print_generic_expr): Handle TDF_CHAIN.
21320 (dump_generic_node): Handle BLOCK.
21321 Do not abort with incomplete SWITCH_EXPRs.
21322 Do not dump body of an OpenMP directive if TDF_SLIM is given.
21323 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
21324 print space after directive name.
21325 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
21326 Handle OMP_MASTER and OMP_ORDERED.
21327 Handle printing of OMP_BODY just in one place, goto
21328 dump_omp_body in the rest of OMP_* nodes that have
21330 Don't handle clause nodes here. Update omp statements to
21331 use dump_omp_clauses.
21332 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
21333 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
21334 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
21335 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
21336 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
21337 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
21338 Adjust output for GOMP_PARALLEL.
21339 (dump_omp_clauses): New.
21340 (print_declaration): Dump DECL_VALUE_EXPR.
21341 (op_symbol_1): Split out of op_symbol.
21342 (dumping_stmts): Remove. Update all users.
21343 * cgraph.c (cgraph_analyze_queue): New.
21344 (cgraph_add_new_function): New.
21345 * cgraph.h (cgraph_analyze_queue): Declare.
21346 (cgraph_add_new_function): Declare.
21347 (cgraph_lower_function): Remove.
21348 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
21349 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
21350 and TYPE_P nodes in its default clause.
21351 (empty_body_p): New.
21352 (tree_range_check_failed): New.
21353 (build5_stat): New.
21354 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
21355 OMP_CLAUSE_REDUCTION_MERGE,
21356 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
21357 OMP_CLAUSE_PRIVATE_DEBUG,
21358 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
21359 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
21360 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
21361 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
21362 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
21363 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
21364 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
21365 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
21366 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
21367 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
21368 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
21369 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
21370 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
21371 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
21372 (TREE_RANGE_CHECK): New.
21373 (empty_body_p): Declare.
21374 (enum omp_clause_default_kind): New.
21375 (build_string_literal): Declare.
21376 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
21377 (build5_stat, build5): Declare.
21378 * tree-pass.h (TDF_CHAIN): Define.
21379 * tree-pass.h (PROP_gimple_lomp): Define.
21380 (pass_lower_omp): Declare.
21381 * diagnostic.h (debug_tree_chain): Declare.
21382 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
21384 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
21385 * builtins.c (build_string_literal): Make extern.
21386 * gcc.c (include_spec_function): New.
21387 (static_spec_functions): Add it.
21388 (main): Move load of libgomp.spec ...
21389 (LINK_COMMAND_SPEC): ... here.
21390 (link_gomp_spec): New.
21391 (static_specs): Include it.
21392 (LINK_COMMAND_SPEC): Add link_gomp.
21393 (GOMP_SELF_SPECS): New.
21394 (driver_self_specs): Include it.
21395 (switch_matches): Don't mark inline.
21396 (main): Load libgomp.spec.
21397 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
21398 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
21399 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
21400 * tree-gimple.h (enum omp_parallel): Declare.
21401 (determine_parallel_type): Declare.
21402 (omp_firstprivatize_variable): Declare.
21403 (omp_reduction_init): Declare.
21404 (diagnose_omp_structured_block_errors): Declare.
21405 (struct walk_stmt_info): Add want_return_expr.
21406 (struct walk_stmt_info): Add want_bind_expr, want_locations.
21407 (find_omp_clause): Declare.
21408 (insert_field_into_struct): Declare.
21409 (struct walk_stmt_info): Move from tree-nested.c
21410 (walk_stmts): Declare.
21411 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21413 * cgraphunit.c (cgraph_lower_function): Make static.
21414 (cgraph_finalize_pending_functions): New.
21415 (cgraph_finalize_function): Call it.
21416 (cgraph_finalize_compilation_unit): Likewise.
21417 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21418 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21419 (BT_FN_UINT_UINT): New.
21420 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21421 DEF_FUNCTION_TYPE_VAR_4): Document.
21422 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21423 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21424 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21425 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21426 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21427 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21428 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21429 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21430 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21431 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21432 into separate files.
21433 (DEF_GOMP_BUILTIN): New.
21434 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21435 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21436 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21437 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21438 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21439 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21440 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21441 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21442 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21443 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21444 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21445 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21446 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21447 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21448 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21449 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21450 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21451 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21452 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21453 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21454 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21455 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21456 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21457 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21458 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21459 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21460 * sync-builtins.def: New file, moved from builtins.def.
21461 * omp-builtins.def: New file, moved from builtins.def.
21462 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21463 * gimple-low.c (lower_function_body): Clear data.
21464 (lower_stmt): Do not handle COMPOUND_EXPR.
21465 Remove call to print_node_brief.
21466 * c-tree.h (c_finish_omp_clauses): New prototype.
21467 (C_DECL_THREADPRIVATE_P): Define.
21468 (lookup_name_no_remap, c_omp_remap_private): Remove
21469 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21470 (check_for_loop_decls): Update decl.
21471 (lookup_name_no_remap, c_omp_remap_private): Declare.
21472 (build_indirect_ref, build_modify_expr, pushdecl,
21473 pushdecl_top_level): Move to c-common.h.
21474 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21475 before the switch, but just in the 2 places that need it.
21476 * c-decl.c (diagnose_mismatched_decls): Do not check for
21477 mismatched thread-local attributes when OLDDECL is marked
21478 threadprivate and NEWDECL has no thread-local attributes.
21479 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21480 (c_gimple_diagnostics_recursively): Rename from
21481 c_warn_unused_result_recursively. Invoke
21482 diagnose_omp_structured_block_errors.
21483 (check_for_loop_decls): Return a singular decl found.
21484 * langhooks.c (lhd_omp_predetermined_sharing): Return
21485 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21486 (lhd_omp_firstprivatize_type_sizes): New.
21487 (lhd_omp_assignment): New.
21488 (lhd_omp_predetermined_sharing): New.
21489 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21490 (struct lang_hooks_for_types): Add
21491 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21492 omp_predetermined_sharing, omp_disregard_value_expr,
21493 omp_private_debug_clause, omp_clause_default_ctor,
21494 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21495 (c_finish_omp_clauses): New.
21496 (c_finish_bc_stmt): Diagnose break within omp for.
21497 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21498 (build_unary_op): Return error_mark after reporting
21500 (build_modify_expr): Likewise.
21501 * gimplify.c: Include optabs.h and pointer-set.h.
21502 (enum gimplify_omp_var_data): Declare.
21503 (struct gimplify_omp_ctx): Declare.
21504 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21506 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21507 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21508 (splay_tree_compare_decl_uid): New.
21509 (new_omp_context): New.
21510 (delete_omp_context): New.
21511 (gimple_add_tmp_var): Call omp_add_variable.
21512 (gimplify_bind_expr): Likewise.
21513 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21514 true, disregard DECL_VALUE_EXPR on the decl if any.
21515 (gimplify_expr_in_ctx): New.
21516 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21517 omp_add_variable, omp_notice_variable, omp_is_private
21518 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21519 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21520 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21521 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21522 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21523 gimplify_omp_atomic): New.
21524 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21525 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21526 OMP_CRITICAL and OMP_ATOMIC.
21527 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21528 * c-pragma.h (enum pragma_kind): Add
21529 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21530 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21531 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21532 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21533 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21534 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21535 PRAGMA_OMP_THREADPRIVATE.
21536 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21537 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21538 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21539 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21540 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21541 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21542 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21543 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21544 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21545 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21546 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21547 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21548 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21550 (struct nesting_info): Add field_map,
21551 suppress_expansion, debug_var_chain.
21552 (create_nesting_tree): Initialize them.
21553 (lookup_field_for_decl): Use field_map.
21554 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21555 (convert_local_omp_clauses): New.
21556 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21557 (walk_body): Split out of walk_function.
21558 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21559 (convert_nonlocal_reference): Handle omp statements.
21560 (convert_local_reference): Likewise.
21561 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21562 (unnest_nesting_tree): New.
21563 (lower_nested_functions): Call it.
21564 (insert_field_into_struct): Make extern.
21565 (struct walk_stmt_info): Move to tree-gimple.h.
21566 (walk_stmts): Make extern.
21567 * omp-builtins.def: New file.
21568 * tree-iterator.c (expr_only): Clarify comment.
21569 * c-common.h (pushdecl_top_level, pushdecl,
21570 build_modify_expr, build_indirect_ref,
21571 c_finish_omp_master, c_finish_omp_critical,
21572 c_finish_omp_ordered, c_finish_omp_barrier,
21573 c_finish_omp_atomic, c_finish_omp_flush,
21574 c_finish_omp_for, c_split_parallel_clauses,
21575 omp_clause_default_kind, c_omp_sharing_predetermined,
21576 c_omp_remap_decl): Declare.
21577 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21578 (OBJS-common): Add omp-low.o.
21579 (c-omp.o, omp-low.o): Add.
21580 (gimplify.o): Add dependency on $(OPTABS_H).
21581 (GTFILES): Add omp-low.c.
21582 (gt-stringpool.h): Add.
21583 * tree-cfg.c (set_bb_for_stmt): Do not update the
21584 block-to-labels map if we are currently expanding to RTL.
21585 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21587 Handle IDENTIFIER_NODE.
21588 (tree_verify_flow_info): Do not ICE when emitting error
21589 messages about invalid labels.
21590 (dump_function_to_file): Reset CFUN before emitting the body
21592 (debug_function): New.
21593 * passes.c (init_optimization_passes): Schedule
21595 * langhooks-def.h (lhd_omp_predetermined_sharing,
21596 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21598 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21599 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21600 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21601 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21602 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21603 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21604 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21605 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21606 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21607 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21608 (LANG_HOOK_DECLS): Use them.
21610 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21611 Richard Henderson <rth@redhat.com>
21612 Jakub Jelinek <jakub@redhat.com>
21613 Diego Novillo <dnovillo@redhat.com>
21615 * c-parser.c (pragma_omp_clause): Define.
21616 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21617 (c_parser_compound_statement): Likewise.
21618 (c_parser_statement): Likewise.
21619 (c_parser_pragma): Handle omp pragmas.
21620 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21621 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
21622 (c_parser_omp_clause_name, check_no_duplicate_clause,
21623 c_parser_omp_variable_list,
21624 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
21625 c_parser_omp_clause_copyprivate,
21626 c_parser_omp_clause_default,
21627 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
21628 c_parser_omp_clause_lastprivate,
21629 c_parser_omp_clause_nowait,
21630 c_parser_omp_clause_num_threads,
21631 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
21632 c_parser_omp_clause_reduction,
21633 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
21634 c_parser_omp_all_clauses, c_parser_omp_structured_block,
21635 c_parser_omp_atomic, c_parser_omp_barrier,
21636 c_parser_omp_critical, c_parser_omp_flush,
21637 c_parser_omp_for_loop, c_parser_omp_for,
21638 c_parser_omp_master, c_parser_omp_ordered,
21639 c_parser_omp_sections_scope, c_parser_omp_sections,
21640 c_parser_omp_parallel, c_parser_omp_single,
21641 c_parser_omp_construct, c_parser_omp_threadprivate): New.
21642 * c-pragma.c (init_pragma): Do omp pragma registration here.
21643 * c.opt (fopenmp): New flag.
21645 2006-01-18 Eric Christopher <echristo@apple.com>
21647 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
21648 * config/darwin.h (GOMP_SELF_SPECS): Define.
21650 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21652 * rtl.h: Remove the prototype for reg_alloc.
21654 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21657 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
21658 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
21659 sjlj and dwarf2 exception handling.
21660 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
21661 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
21662 * pa/pa.c (function_value): Treat complex and vector types as
21664 (function_arg): Likewise. Only pass scalar floats in the floating
21665 point argument registers.
21666 * pa/t-slibgcc-dwarf-ver: New file.
21667 * pa/t-slibgcc-sjlj-ver: New file.
21668 * pa/t-slibgcc-elf-ver: Delete file.
21670 2006-01-19 Alan Modra <amodra@bigpond.net.au>
21672 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
21673 unlikely_test_section_p test.
21675 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21677 * mode-switching.c (optimize_mode_switching): Make it static.
21678 * basic-block.h: Remove the prototype for
21679 optimize_mode_switching.
21681 * modulo-sched.c (sms_schedule): Make it static.
21682 * rtl.h: Remove the prototype for sms_schedule.
21684 * postreload-gcse.c (gcse_after_reload_main): Make it static.
21685 * rtl.h: Remove the prototype for gcse_after_reload_main.
21687 * reg-stack.c (reg_to_stack): Make it static.
21688 * rtl.h: Remove the prototype for reg_to_stack.
21690 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
21692 * rtl.h: Remove the prototypes for regrename_optimize and
21693 copyprop_hardreg_forward.
21695 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
21697 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
21698 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
21699 Test against the appropriate null constant for the mode.
21700 If 'fixup_overlap' is true, swap the operands if they overlap.
21701 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
21702 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
21703 alpha_split_tmode_pair and adjust for above change.
21704 * config/alpha/alpha.md (movtf_internal): Adjust call to
21705 alpha_split_tfmode_pair and rely on it to swap the operands.
21706 (movti_internal): New insn and post-reload splitter.
21707 (movti): New expander.
21709 2006-01-18 Philippe De Muyter <phdm@macqel.be>
21711 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
21714 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21716 * rtlanal.c (global_reg_mentioned_p_1,
21717 global_reg_mentioned_p): Remove.
21718 * rtl.h: Remove the prototype for global_reg_mentioned_p.
21720 * flow.c (initialize_uninitialized_subregs): Make it static.
21721 * rtl.h: Remove the prototype for
21722 initialize_uninitialized_subregs.
21724 * function.c (instantiate_virtual_regs): Make it static.
21725 * function.h: Remove the prototype for
21726 instantiate_virtual_regs.
21728 * regmove.c (regmove_optimize, combine_stack_adjustments):
21730 * rtl.h: Remove the prototypes for regmove_optimize and
21731 combine_stack_adjustments.
21733 2006-01-17 Roger Sayle <roger@eyesopen.com>
21735 * config/i386/i386.c (COSTS_N_BYTES): New macro.
21736 (size_cost): Encode costs in bytes so that a reg-reg addition is
21737 equivalent to COSTS_N_INSNS(1).
21738 (override_options): Use the size_cost.branch_cost as the default
21739 ix86_branch_cost when optimizing for size.
21741 2006-01-18 Ben Elliston <bje@au.ibm.com>
21743 * Makefile.in (D32PBIT_FUNCS): New.
21744 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
21745 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
21746 D64PBIT_FUNCS and D128PBIT_FUNCS.
21747 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
21748 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
21750 (decnumber_dep): Define.
21751 * doc/libgcc.texi (Decimal float library routines): New node.
21752 * config/dfp-bit.h, config/dfp-bit.c: New files.
21754 2006-01-18 Ben Elliston <bje@au.ibm.com>
21756 * expr.c (emit_move_change_mode): Always adjust addresses, not
21757 just during reload. Copy replacements only during reload.
21758 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
21759 emit_move_via_integer.
21761 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
21763 * Makefile.in (check-%, check-consistency): Use $${srcdir}
21764 instead of $(srcdir) and ${srcdir}.
21766 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
21769 PR middle-end/11135
21770 * arm.h (struct machine_function): Add pic_reg.
21771 * arm.c (arm_pic_register): Make unsigned.
21772 (arm_override_options): Only set arm_pic_register if
21773 TARGET_SINGLE_PIC_BASE.
21774 (use_return_insn): Only test for a pic register if it is fixed.
21775 (arm_compute_save_reg0_reg12_mask): Likewise.
21776 (thumb_compute_save_reg_mask): Likewise.
21777 (legitimate_pic_operand): Factor out some known invariants.
21778 (legitimize_pic_address): If we don't have a fixed pic register,
21779 then set up a pseudo in the function entry sequence. Handle the
21780 pic base being in a pseudo.
21781 (arm_load_pic_register): Handle the pic register being in a pseudo.
21782 (arm_expand_prologue): Only set up the pic register if it is fixed.
21783 (thumb_expand_prologue): Likewise.
21784 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
21785 (pic_load_addr_based_insn): Likewise.
21786 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
21789 2006-01-18 Ben Elliston <bje@au.ibm.com>
21791 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
21792 decimal float modes for all floating point registers.
21794 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
21795 match_code "mem" with match_test "macho_lo_sum_memory_operand".
21797 2006-01-17 Jakub Jelinek <jakub@redhat.com>
21800 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
21801 even when the pointer is not NULL.
21803 2006-01-16 Ian Lance Taylor <ian@airs.com>
21805 * common.opt (ftoplevel-reorder): New option.
21806 * cgraph.c (cgraph_asm_nodes): New global variable.
21807 (cgraph_asm_last_node): New static variable.
21808 (cgraph_order): New global variable.
21809 (cgraph_create_node): Set new order field.
21810 (cgraph_varpool_node): Likewise.
21811 (decide_is_variable_needed): Return true if not
21812 flag_toplevel_reorder.
21813 (cgraph_add_asm_node): New function.
21814 * cgraph.h (struct cgraph_node): Add order field.
21815 (struct cgraph_varpool_node): Add order field.
21816 (struct cgraph_asm_node): Define.
21817 (cgraph_asm_nodes, cgraph_order): Declare.
21818 (cgraph_add_asm_node): Declare.
21819 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
21821 (cgraph_varpool_assemble_pending_decls): Call it.
21822 (cgraph_output_pending_asms): New static function.
21823 (cgraph_finalize_compilation_unit): Call it.
21824 (struct cgraph_order_sort): Define.
21825 (cgraph_output_in_order): New static function.
21826 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
21827 !flag_toplevel_reorder case.
21828 * c-parser.c: Include "cgraph.h".
21829 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
21831 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
21832 than -fno-unit-at-a-time.
21833 * doc/invoke.texi (Option Summary): Mention
21834 -fno-toplevel-reorder.
21835 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
21836 -funit-at-a-time documentation.
21838 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
21839 Kazu Hirata <kazu@codesourcery.com>
21841 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
21843 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
21845 * Makefile.in (FUNCTION_H): New. Use it instead of
21846 function.h throughout the file.
21847 * function.h: Include tree.h.
21849 2006-01-17 Ben Elliston <bje@au.ibm.com>
21851 * recog.c: Separate some functions with whitespace.
21853 2006-01-16 Richard Henderson <rth@redhat.com>
21855 Merge from gomp branch:
21856 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
21857 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
21858 and rename from struct inline_data. Rename callee* to dst*;
21859 caller* to src*; add copy_decl hook, transform_call_graph_edges,
21860 transform_new_cfg, transform_return_to_modify, and
21861 transform_lang_insert_block flags; remove cloning_p, versioning_p,
21863 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
21864 (copy_decl_for_dup): Remove.
21865 * tree-inline.c (struct inline_data): Move to header.
21866 (insert_decl_map): Export.
21867 (remap_decl): Update for member name changes. Use copy_decl hook.
21868 Allow for replacement to be a non-decl. Remove dead code.
21869 (remap_type_1): Check for existing mapping.
21870 (remap_type): Export.
21871 (remap_decls): Update for member name changes.
21872 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
21873 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
21874 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
21875 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
21876 (tree_function_versioning, build_duplicate_type): Likewise.
21877 (copy_body_r): Likewise. Export.
21878 (copy_decl_for_dup): Split into ...
21879 (copy_decl_for_dup_finish, copy_decl_to_var,
21880 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
21881 (replace_ref_tree, inlining_p): Remove.
21883 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21885 * ifcvt.c (if_convert): Make it static.
21886 * rtl.h: Remove the prototype for if_convert.
21888 * local-alloc.c (local_alloc): Make it static.
21889 * rtl.h: Remove the prototype for local_alloc.
21891 * loop.c (loop_optimize): Make it static.
21892 * cfgloop.h: Remove the prototype for loop_optimize.
21895 2006-01-16 DJ Delorie <dj@redhat.com>
21897 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
21900 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21902 * pa.md: Disparage copies between general and floating-point registers
21903 in 32-bit move patterns.
21905 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
21908 * Makefile.in (check-%): Depend on site.exp instead of
21909 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
21912 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21914 * global.c (global_alloc): Make it static.
21915 * rtl.h: Remove the prototype for global_alloc.
21917 2006-01-16 Richard Guenther <rguenther@suse.de>
21919 * tree-ssa-alias.c (struct used_part): Add write_only field.
21920 (get_or_create_used_part_for): Initialize it to true.
21921 (create_overlap_variables_for): Don't create structure variables
21922 for structures that only are written to.
21923 (find_used_portions): Handle MODIFY_EXPR to track whether a
21924 structure is only written to.
21926 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21928 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
21930 * basic-block.h: Remove the prototype for
21931 partition_hot_cold_basic_blocks.
21933 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
21935 * cppspec.c (lang_specific_spec_functions): Remove.
21936 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
21937 * gcc.h (lang_specific_spec_functions): Remove.
21938 * gccspec.c (lang_specific_spec_functions): Remove.
21940 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
21942 * combine.c (record_value_for_reg): Invalidate registers
21944 (record_dead_and_set_regs_1): Likewise, by passing them to
21945 record_value_for_reg.
21946 (record_dead_and_set_regs): Invalidate stores made by a
21947 call. We do not combine across a call, but we still
21948 relied on equivalences.
21950 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21952 * tree-vrp.c (extract_range_from_binary_expr): Cope with
21953 vrp_int_const_binop returning non-constant nodes.
21955 2006-01-16 Paul Brook <paul@codesourcery.com>
21957 * config/m68k/m68k.c (output_move_const_into_data_reg):
21958 Output correct mnemonic for mvz and mvs.
21960 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
21962 * rtl-factoring.c: Add sequence abstraction algorithm.
21963 * cfgcleanup.c (outgoing_edges_match): Extra checks.
21964 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
21966 (block_has_preserve_label): New function.
21967 * common.opt: Register new pass.
21968 * Makefile.in: Ditto.
21970 * timevar.def: Ditto.
21971 * tree-pass.h: Ditto.
21972 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
21973 * rtl.h (make_jump_insn_raw): Add forward decl.
21974 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
21976 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21977 Roger Sayle <roger@eyesopen.com>
21979 * fold-const.c (fold_minmax): New static function.
21980 (fold_binary) <MIN_EXPR>: Call it.
21981 <MAX_EXPR>: Likewise.
21982 * stor-layout.c (place_field): Use DECL_SIZE consistently
21983 in the computation of the new record size.
21985 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21987 * cse.c (cse_condition_code_reg): Make it static.
21988 * rtl.h: Remove the prototype for cse_condition_code_reg.
21990 * combine.c (combine_instructions): Make it static.
21991 * rtl.h: Remove the prototype for combine_instructions.
21993 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21996 * tree.c (get_file_function_name_long): Concatenate the first global
21997 object name with a string derived from the input filename of the object
22000 2006-01-16 Ben Elliston <bje@au.ibm.com>
22002 * config/i386/winnt-stubs.c: Update FSF address.
22003 * config/xtensa/ieee754-df.S: Ditto.
22004 * config/xtensa/ieee754-sf.S: Ditto.
22006 2006-01-14 Ian Lance Taylor <ian@airs.com>
22008 * ifcvt.c (noce_init_if_info): New static function, broken out of
22009 noce_process_if_block.
22010 (noce_process_if_block): Call noce_init_if_info.
22011 (check_cond_move_block): New static function.
22012 (cond_move_process_if_block): New static function.
22013 (process_if_block): Call cond_move_process_if_block.
22015 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
22017 * cselib.c (hash_table): Rename to cselib_hash_table.
22018 (cselib_clear_table, discard_useless_values,
22019 remove_useless_values, cselib_lookup_mem, cselib_lookup,
22020 cselib_init, cselib_finish): Adjust uses of hash_table.
22022 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
22024 PR tree-optimization/25485
22025 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
22026 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
22027 is known to be false and true, respectively.
22029 2006-01-14 Richard Guenther <rguenther@suse.de>
22031 PR tree-optimization/22548
22032 PR tree-optimization/22555
22033 PR tree-optimization/22501
22034 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
22035 * params.def (salias-max-array-elements): New parameter.
22036 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
22037 * doc/invoke.texi (salias-max-array-elements): Document.
22038 * tree-flow-inline.h (var_can_have_subvars): We also handle
22040 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
22042 * tree-ssa-structalias.c (params.h): Include.
22043 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
22044 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
22045 (get_constraint_for): For ADDR_EXPR operating on something
22046 containing an ARRAY_REF, add all subvars to the solution.
22047 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
22048 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
22049 for creating MUST_DEFs.
22050 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
22052 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
22054 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
22056 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
22057 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
22058 number_of_iterations_le): New functions.
22059 (number_of_iterations_special): Removed.
22060 (number_of_iterations_exit): Do not use number_of_iterations_special.
22061 * tree.c (unsigned_type_for): Always return integer type.
22063 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
22064 Richard Guenther <rguenther@suse.de>
22066 PR rtl-optimization/24257
22067 * gcse.c (find_moveable_store): Only consider a store movable
22068 when the SET_SRC of the insn can be assigned to a register.
22070 2006-01-14 Ian Lance Taylor <ian@airs.com>
22072 * tree.c (tree_not_class_check_failed): New function.
22073 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
22074 (tree_not_class_check_failed): Declare.
22076 2006-01-13 Ian Lance Taylor <ian@airs.com>
22078 * reload1.c (do_output_reload): Add assertion rejecting a
22081 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
22083 * combine.c (struct reg_stat): Add new fields truncation_label and
22085 (record_value_for_reg): Reset truncated_to_mode.
22086 (record_truncated_value): New function.
22087 (check_promoted_subreg): Call it. Rename to check_conversions.
22088 (combine_instructions): Rename check_promoted_subreg to
22090 (reg_truncated_to_mode): New function.
22091 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
22092 (gen_lowpart_or_truncate): New function.
22093 (force_to_mode): Use it instead of gen_lowpart.
22095 2006-01-13 Diego Novillo <dnovillo@redhat.com>
22097 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
22098 VAR is a tag, not its type tag.
22100 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
22102 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
22103 alternatives to match style of other entries.
22104 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
22106 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
22108 PR tree-optimization/25771
22109 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
22112 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
22115 * tree-inline.c (declare_return_variable): If the return variable
22116 was marked as a non gimple complex, set the return slot variable
22117 to be a non gimple comple variable.
22119 2006-01-13 Richard Guenther <rguenther@suse.de>
22121 * builtins.c (expand_builtin_sincos): New function.
22122 (expand_builtin_mathfn_3): Remove dead code, sin and cos
22124 (expand_builtin): Expand sincos using expand_builtin_sincos.
22126 2006-01-12 DJ Delorie <dj@redhat.com>
22128 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
22129 shift counts, separate SI shifts for m32c vs m16c, pass shift type
22130 so that constant shifts can be split.
22131 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22132 (m32c_valid_pointer_mode): Make static.
22133 (shift_gen_func_for): New.
22134 (m32c_prepare_shift): Use it. Split large const shifts into
22136 * config/m32c/predicates.md (shiftcount_operand): Allow more
22138 (longshiftcount_operand): New.
22139 * doc/md.texi (Machine Constraints): Document In6.
22141 2006-01-13 Ben Elliston <bje@au.ibm.com>
22143 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22144 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22147 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
22149 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22150 to try to avoid clobbering pieces of structures when we know
22151 something about the whole structure.
22152 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22154 2006-01-13 Ben Elliston <bje@au.ibm.com>
22156 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
22157 return in memory, as this is no limitation is no longer present.
22159 2006-01-12 DJ Delorie <dj@redhat.com>
22161 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
22162 mova with fb, and for fb+0 -> An.
22164 * config/m32c/mov.md (peephole2): Fix enabling logic.
22166 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22167 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22168 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22169 FINI_ARRAY_SECTION_ASM_OP): Define.
22171 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22173 (m32c_legitimize_reload_address): New logic to reload FB to An.
22174 (m32c_output_reg_push): Add newline.
22175 (m32c_output_reg_pop): Likewise.
22177 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
22179 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22181 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
22183 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22185 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22187 * config/sh/predicates.md (sh_rep_vec): Add parallel to
22190 2006-01-11 Ben Elliston <bje@au.ibm.com>
22192 * rtlanal.c (find_reg_note): Assert insn is not null.
22194 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22196 * df-scan.c (df_hard_reg_init): Move declaration of i outside
22199 2006-01-11 Jeff Law <law@redhat.com>
22201 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22203 (mark_threaded_blocks, register_jump_thread): New functions.
22204 (thread_through_all_blocks): Remove unwanted argument. No
22205 longer rely on e->aux to communicate thread target info.
22206 Call mark_threaded_blocks. Release the threaded_blocks
22207 bitmap and threaded_edges vector when complete.
22208 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22209 (threaded_blocks): Remove.
22210 (tree_ssa_dominator_optimize): Remove initialization and
22211 finalization of threaded_blocks. Simplify call to
22212 thread_through_all_blocks.
22213 (thread_across_edge): Call register_jump_thread rather than
22214 storing thread information into e->aux.
22215 (free_all_edge_infos): Simplify now that e->aux is no longer
22216 used to communicate with thread_through_all_blocks.
22217 * tree-flow.h (thread_through_all_blocks): Update prototype.
22218 (register_jump_thread): Prototype.
22220 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22222 * df-core.c (df_compact_blocks, df_bb_replace): Use
22223 SET_BASIC_BLOCK instead of BASIC_BLOCK.
22225 2006-01-11 Richard Guenther <rguenther@suse.de>
22227 PR tree-optimization/25734
22228 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22229 stop propagation after successful propagation to the LHS.
22231 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22233 * basic-block.h (control_flow_graph): Change the type of
22234 x_basic_block_info to VEC(basic_block,gc) *.
22235 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22237 (SET_BASIC_BLOCK): New.
22238 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22239 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22240 * cfgbuild.c (find_basic_blocks): Likewise.
22241 * cfglayout.c (fixup_reorder_chain): Likewise.
22242 * cfgrtl.c (create_basic_block_structure,
22243 rtl_create_basic_block): Likewise.
22244 * ifcvt.c (find_if_case_1): Likewise.
22245 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22248 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22250 * Makefile.in: Removed rotted odf.c entry.
22252 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
22255 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22256 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22257 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22258 output pattern modifier, not %e.
22259 * config/cris/cris.c (cris_op_str): Update comment about pattern
22261 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
22262 before falling through into...
22263 <case 'E'>: Redefined from old 'e' case.
22265 2006-01-11 Jan Hubicka <jh@suse.cz>
22268 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
22270 2006-01-11 Jan Hubicka <jh@suse.cz>
22272 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
22273 * i386.c (x86_decompose_lea): Kill.
22274 (ix86_rtx_costs): Kill.
22276 2006-01-11 Jan Hubicka <jh@suse.cz>
22278 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
22279 * cgraph.h (cgraph_node): Add inline_decl.
22280 (cgraph_insert_node_to_hashtable): Declare.
22281 (save_inline_function_body): Declare.
22282 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
22284 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
22285 (cgraph_function_versioning): Update call of tree_function_versioning.
22286 (save_inline_function_body): New function.
22287 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
22288 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
22289 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
22290 (cgraph_default_inline_p): Likewise.
22291 (cgraph_decide_inlining_incrementally): Likewise.
22292 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
22293 (copy_bb): Kill saving; do updating of clones.
22294 (copy_cfg_body): Kill saving.
22295 (initialize_inlined-parameters): Likewise.
22296 (expand_call_inline): Likewise.
22298 (tree_function_versioning): New parameter "update_clones".
22299 (inlining_p): Kill saving.
22300 * tree-inline.h (tree_function_versioning): Update prototype.
22301 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
22304 2006-01-11 Ian Lance Taylor <ian@airs.com>
22306 * combine.c (struct undo): Remove is_int. Enumify types of undos.
22307 Allow undoing set of machine mode.
22308 (do_SUBST): Use enums instead of is_int.
22309 (do_SUBST_MODE): New function.
22310 (SUBST_MODE): New macro.
22311 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
22312 reg and trying to replace reg_regno_rtx with a new register.
22313 (undo_all): Use new enums, handle undoing a PUT_MODE change.
22314 (simplify_set): Use SUBST_MODE.
22315 (distribute_notes): Remove code that tried to update reg notes
22316 for regno_reg_rtx changes.
22318 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
22320 PR tree-optimization/23109
22321 PR tree-optimization/23948
22322 PR tree-optimization/24123
22324 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
22325 * tree-cfg.c (single_noncomplex_succ): New.
22326 * tree-flow.h (single_noncomplex_succ): Declare it.
22327 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22328 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22329 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
22330 insert_bb, register_division_in, insert_reciprocals,
22331 replace_reciprocal, free_bb): New.
22332 (execute_cse_reciprocals_1): Rewritten.
22333 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
22334 Do not commit any edge insertion. Always compute dominators and
22335 create the allocation pool.
22336 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
22337 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
22338 * targhooks.c (default_min_divistions_for_recip_mul): New.
22339 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
22340 * passes.c (init_optimization_passes): Run recip after tree loop
22342 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
22344 2006-01-11 Danny Berlin <dberlin@dberlin.org>
22345 Kenneth Zadeck <zadeck@naturalbridge.com>
22347 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
22348 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
22349 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
22350 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
22351 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
22352 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
22353 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
22354 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
22355 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
22356 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
22357 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
22358 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
22359 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
22360 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
22361 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
22362 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
22363 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
22364 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
22365 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
22366 DF_SCAN_POST_ALLOC): New macros.
22367 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
22368 df_free_bb_function, df_local_compute_function, df_init_function,
22369 df_dataflow_function, df_confluence_function_0,
22370 df_confluence_function_n, df_transfer_function,
22371 df_finalizer_function, df_free_function, df_dump_problem_function,
22372 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
22373 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
22374 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
22375 df_urec_bb_info, ) New types.
22376 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
22378 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
22379 df_analyze_simple_change_some_blocks,
22380 df_analyze_simple_change_one_block, df_compact_blocks,
22381 df_bb_replace, df_bb_regno_last_use_find,
22382 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
22383 df_insn_regno_def_p, df_find_def, df_find_use,
22384 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
22385 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
22386 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
22387 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
22388 debug_df_chain, df_get_dependent_problem, df_chain_create,
22389 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
22390 df_grow_bb_info, df_chain_dump, df_print_bb_index,
22391 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
22392 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
22393 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
22394 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
22395 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
22396 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
22397 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
22398 df_ref_remove, df_insn_refs_delete, df_refs_delete,
22399 df_reorganize_refs, df_set_state, df_hard_reg_init,
22400 df_read_modify_subreg_p) New public functions.
22401 * df-core.c: The core dataflow solver and glue routines for rtl
22403 (df_init, df_add_problem, df_set_blocks, df_finish,
22404 df_hybrid_search_forward, df_hybrid_search_backward,
22405 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
22406 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
22407 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
22408 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
22409 df_reg_defined, df_find_use, df_reg_used, df_dump,
22410 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22411 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22412 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22413 debug_df_useno, reset_df_after_reload): New functions.
22414 * df-scan.c: The scanning fuctions, once in df.c, completely
22415 rewritten so that they now fully model the functionality of
22416 register usage at the backend.
22417 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22418 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22419 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22420 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22421 df_get_artificial_defs, df_get_artificial_uses,
22422 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22423 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22424 df_refs_delete, df_reorganize_refs, df_set_state,
22425 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22426 df_def_record_1, df_defs_record, df_uses_record,
22427 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22428 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22429 df_record_exit_block_uses, df_hard_reg_init): New functions.
22431 * df-problems.c: Seven concrete dataflow problems that use the
22432 scanning in df-scan.c and are solved by the engine in df-core.c.
22433 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22434 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22435 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22436 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22437 df_ru_free_bb_info, df_ru_alloc,
22438 df_ru_bb_local_compute_process_def,
22439 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22440 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22441 df_ru_transfer_function, df_ru_free, df_ru_dump,
22442 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22443 df_rd_free_bb_info, df_rd_alloc,
22444 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22445 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22446 df_rd_transfer_function, df_rd_free, df_rd_dump,
22447 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22448 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22449 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22450 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22451 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22452 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22453 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22454 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22455 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22456 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22457 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22458 df_urec_mark_reg_use_for_earlyclobber,
22459 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22460 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22461 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22462 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22463 df_chain_create_bb_process_use, df_chain_create_bb,
22464 df_chain_finalize, df_chain_free, df_chains_dump,
22465 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22466 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22467 df_reg_lifetime): New functions.
22468 * df.c: Deleted file.
22469 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22470 consistent with new df api.
22471 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22472 rest_of_handle_sms): Ditto.
22473 * web.c (unionfind_union, union_defs, entry_register, web_main):
22475 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22476 invariant_expr_equal_p, find_defs, check_dependencies,
22477 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22478 free_inv_motion_data, move_loop_invariants): Ditto.
22479 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22480 Update dependencies.
22481 (odf.c): Added defective entry that was deleted later in day.
22482 * sched-deps.c (sched_analyze_1): Ditto.
22484 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22486 * tree-ssa-operands.c (get_expr_operands): Record addressable
22487 variables directly. Do not call add_stmt_operands for CONST_DECLs
22489 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22490 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22492 2006-01-11 Ben Elliston <bje@au.ibm.com>
22494 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22495 function returns true in the positive case.
22497 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22500 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22501 for SI, DI, SF and DF modes. Add alternatives to copy between
22502 general and floating point registers to the 32-bit patterns.
22503 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22504 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22505 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22506 generating 64-bit code.
22507 * config/pa/pa.c (output_move_double): Handle copies between general
22508 and floating registers.
22510 2006-01-10 Stuart Hastings <stuart@apple.com>
22512 * config/i386/i386.md (set_got): Update.
22513 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22514 (builtin_setjmp_receiver): Mach-O support.
22515 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22516 (GOT_SYMBOL_NAME): Define.
22517 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22518 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22519 * config/i386/i386.c (override_options): Revise for Darwin.
22520 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22521 support. (darwin_x86_file_end): New. (output_set_got): Add label
22522 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22523 * config/i386/i386-protos.h (output_set_got): Likewise.
22524 * config/darwin.c (machopic_legitimize_pic_address): Update
22527 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22529 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22530 when MODE isn't BLKmode.
22532 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22534 PR rtl-optimization/25367
22535 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22537 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22540 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22541 for a negative bound.
22543 2006-01-10 Richard Guenther <rguenther@suse.de>
22545 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22546 Never override with anything constraint.
22548 2006-01-10 Jan Beulich <jbeulich@novell.com>
22550 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22551 256 bits when optimize_size.
22553 2006-01-10 Jan Beulich <jbeulich@novell.com>
22555 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22557 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22558 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22561 2006-01-10 Ben Elliston <bje@au.ibm.com>
22563 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22565 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22566 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22567 (USE_FP_FOR_ARG): Reject decimal float modes.
22568 (function_arg_advance): Likewise.
22569 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22570 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22571 point types in AltiVec vectors.
22572 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22573 (rs6000_libcall_value): Likewise.
22575 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22577 * config/xtensa/ieee754-df.S: New file.
22578 * config/xtensa/ieee754-sf.S: New file.
22579 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22580 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22581 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22583 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22585 * config/sh/predicates.md (binary_float_operator,
22586 binary_logical_operator, commutative_float_operator,
22587 equality_comparison_operator, greater_comparison_operator,
22588 less_comparison_operator, logical_operator,
22589 noncommutative_float_operator, shift_operator,
22590 symbol_ref_operand, unary_float_operator): Remove redundant
22593 2006-01-09 Jeff Law <law@redhat.com>
22595 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22596 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22597 now unused arguments. Callers updated.
22598 (eliminate_redundant_computations): Remove now unused arguments,
22600 (local_fold): Remove, no longer used.
22601 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22603 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22604 (simplify_cond): New function.
22605 (forward_propagate_into_cond): Call simplify_cond.
22607 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22609 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22610 (*vec_extractv2di_1_sse): New.
22612 2006-01-09 Ben Elliston <bje@au.ibm.com>
22614 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22616 2006-01-08 Richard Guenther <rguenther@suse.de>
22618 * tree-ssa-structalias.c (get_constraint_for): Remove
22619 anyoffset argument.
22620 (get_constraint_for_component_ref): Likewise.
22621 (do_deref): Likewise.
22622 (get_constraint_for): Likewise.
22623 (do_structure_copy): Likewise.
22624 (handle_ptr_arith): Likewise.
22625 (find_func_aliases): Likewise. Remove unused need_anyoffset
22628 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
22629 Kaz Kojima <kkojima@gcc.gnu.org>
22631 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
22632 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
22633 (EXTRA_CONSTRAINT_C16): Remove.
22634 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
22635 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
22636 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
22637 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
22638 constants of SHmedia. Handle nested constant expressions of
22640 (andcosts): Fix the costs for SHmedia constants.
22641 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
22642 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
22643 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
22644 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
22645 (movv4hi_i, movv2si_i): Likewise.
22646 (movsi_const): Adjust the second operand of ior so to match with
22647 the Csu constraint.
22648 (movdi_const, movdi_const_32bit): Likewise.
22649 (movdi_const_16bit+1): Don't sign-extend LOW.
22650 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
22652 (*double_shori): Fix the split condition. Use GEN_INT instead
22653 of get_int_mode calls. Mask lower 16-bit of the argument of
22655 (sym2GOTPLT): Remove.
22656 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
22658 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
22659 instead of EXTRA_CONSTRAINT_C16.
22661 2006-01-07 Ian Lance Taylor <ian@airs.com>
22662 David Edelsohn <edelsohn@gnu.org>
22664 PR rtl-optimization/25662
22665 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
22666 for constant operands instead of simplify_gen_binary.
22667 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
22668 after trying simplify_binary_operation
22670 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
22672 * tree.c (iterative_hash_expr): Hash decls based on UID.
22674 2006-01-06 Eric Christopher <echristo@apple.com>
22676 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
22677 (TARGET_UNWIND_EMIT): Fix spelling.
22678 * target.h (gcc_target): Add except_table_label.
22679 * except.c (output_function_exception_table): Use.
22680 * varasm.c (default_emit_except_table_label): New.
22681 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
22683 (asm_out): Add here.
22684 * output.h (default_emit_except_table_label): Prototype.
22685 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
22686 * config/darwin.c (darwin_emit_except_table_label): Define.
22687 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
22689 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
22691 PR tree-optimization/18527
22692 * tree-ssa-loop-niter.c (number_of_iterations_cond,
22693 number_of_iterations_special, number_of_iterations_exit):
22694 Move base and step of an iv to a single structure. Add
22695 no_overflow flag, and use it in # of iterations analysis.
22696 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
22697 folded_casts argument.
22698 (simple_iv): Pass base and step in a structure. Set no_overflow
22700 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
22701 Evaluate expensiveness of computing # of iterations instead of
22702 the final expression.
22703 * tree-scalar-evolution.h (affine_iv): New structure.
22704 (simple_iv): Declaration changed.
22705 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
22706 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
22707 find_givs_in_stmt): Changed due to simple_iv change.
22709 2006-01-06 Jeff Law <law@redhat.com>
22712 * tree-cfg.c (bsi_replace): Rename final argument from
22713 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
22714 change (stmt -> orig_stmt).
22715 * tree-eh.c (verify_eh_throw_stmt_node): New function.
22716 (bsi_remove): Add new argument. Remove EH information
22718 (verify_eh_throw_table_statements): New function.
22719 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
22721 * tree-optimize.c (execute_free_cfg_annotations): Verify
22722 the EH throw statement table after removing annotations.
22723 * except.h (verify_eh_throw_table_statements): Prototype.
22724 * tree-flow.h (bsi_remove): Update prototype.
22725 * tree-vrp.c (remove_range_assertions): Add new argument to
22727 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
22728 * tree-complex.c (expand_complex_div_wide): Likewise.
22729 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
22730 * tree-tailcall.c (eliminate_tailcall): Likewise.
22731 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
22732 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
22733 * tree-nrv.c (tree_nrv): Likewise.
22734 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
22735 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
22736 (combine_blocks): Likewise.
22737 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
22738 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
22739 (cleanup_control_flow): Likewise.
22740 (remove_forwarder_block): Likewise.
22741 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
22742 * tree-sra.c (sra_replace): Likewise.
22743 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
22744 (forward_propagate_single_use_vars): Likewise.
22745 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
22746 * tree-inline.c (expand_call_inline): Likewise.
22747 * tree-vect-transform.c (vect_transform_loop): Likewise.
22748 * tree-outof-ssa.c (rewrite_trees): Likewise.
22749 * tree-cfg.c (make_goto_expr_edges): Likewise.
22750 (cleanup_dead_labels): Likewise.
22751 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
22752 (bsi_move_before, bsi_move_after): Likewise.
22753 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
22754 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
22756 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
22759 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
22761 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
22762 on non gimple variables. Also add checks at the top for decls and
22764 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
22766 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
22767 and IMAGPART_EXPR for creating MUST_DEFs.
22768 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
22769 and NAME_MEMORY_TAG separately from the DECLs.
22771 2006-01-06 Richard Guenther <rguenther@suse.de>
22773 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
22774 annotation, if necessary.
22775 * tree-ssa-pre.c (create_expression_by_pieces): Remove
22776 redundant calls to update_stmt.
22777 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
22780 2006-01-05 Richard Henderson <rth@redhat.com>
22782 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
22784 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22786 * c-typeck.c: Update copyright date.
22788 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22790 * c-typeck.c (build_c_cast): Always warn when casting
22791 from a pointer to an integer of different size, even if
22792 the node was constant.
22794 2006-01-05 Richard Guenther <rguenther@suse.de>
22796 PR tree-optimization/22555
22797 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
22798 if one structure field is an array.
22799 * tree-ssa-operands.c (get_expr_operands): Continue scanning
22800 operands even if we found a subvar, but ignore VOPs in this
22802 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
22804 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
22806 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
22808 PR middle-end/24998
22809 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
22811 2006-01-05 Richard Guenther <rguenther@suse.de>
22812 Diego Novillo <dnovillo@redhat.com>
22814 * tree-pass.h (TODO_remove_unused_locals): Define.
22815 * gimple-low.c (expand_var_p, remove_useless_vars,
22816 pass_remove_useless_vars): Remove. Update all users.
22817 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
22818 (remove_unused_locals): New function.
22819 * tree-flow.h (remove_unused_locals): Declare.
22820 * passes.c (execute_todo): Call remove_unused_locals if
22821 TODO_remove_unused_locals is set.
22822 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
22823 * tree-ssa-dce.c (pass_dce): Likewise.
22824 * tree-outof-ssa.c (pass_del_ssa): Likewise.
22826 2006-01-05 Richard Guenther <rguenther@suse.de>
22828 * tree-flow.h (struct fieldoff): Decompose field to
22829 type, size and decl.
22830 * tree-ssa-alias.c (create_sft): Take type as parameter.
22831 (create_overlap_variables_for): Store type, size and decl
22832 in the fieldoff structure.
22833 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
22834 of struct fieldoff.
22835 (push_fields_onto_fieldstack): Likewise.
22836 (create_variable_info_for): Likewise. Use offset for the
22837 SFT name if the decl is not available.
22839 2006-01-04 Paul Brook <paul@codesourcery.com>
22841 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
22843 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
22845 * lambda-code.c (can_put_in_inner_loop): Relax
22847 (can_put_after_inner_loop): New function.
22848 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
22849 (perfect_nestify): Change to make copies and modify uses.
22851 2006-01-04 Richard Henderson <rth@redhat.com>
22853 Merge from gomp branch:
22854 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
22855 via integer constant.
22856 (pragma_lex): Remove.
22857 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
22858 rather than parsing it.
22859 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
22860 handle_pragma_extern_prefix): Add %< %> quotes.
22861 (registered_pragmas): New.
22862 (c_register_pragma_1): New.
22863 (c_register_pragma): Use it.
22864 (c_register_pragma_with_expansion): Likewise.
22865 (c_invoke_pragma_handler): New.
22866 (init_pragma): Use cpp_register_deferred_pragma directly for
22868 * c-pragma.h (enum pragma_kind): New.
22869 (pragma_handler): New.
22870 (c_invoke_pragma_handler): Declare.
22871 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
22873 * c-common.h (c_common_pch_pragma): Update decl.
22874 * Makefile.in (c-parser.o): Update dependencies.
22875 (GTFILES): Add c-pragma.h.
22876 * c-parser.c (struct c_token): Add pragma_kind.
22877 (struct c_parser): Add in_pragma.
22878 (c_lex_one_token): Always initialize keyword and pragma_kind.
22879 Extract data for CPP_PRAGMA.
22880 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
22881 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
22882 Don't allow CPP_PRAGMA_EOL if in_pragma.
22883 (c_parser_consume_pragma): New.
22884 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
22885 (c_parser_skip_to_end_of_parameter): Likewise.
22886 (c_parser_skip_to_end_of_block_or_statement): Likewise.
22887 (c_parser_skip_to_pragma_eol): New.
22888 (c_parser_external_declaration): Handle CPP_PRAGMA.
22889 (c_parser_compound_statement_nostart): Likewise.
22890 (c_parser_statement_after_labels): Likewise.
22891 (c_parser_pragma): New.
22892 (pragma_lex): Likewise.
22893 (c_parser_pragma_pch_preprocess): New.
22894 (c_parser_new): Merge into ...
22895 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
22897 2006-01-04 Jeff Law <law@redhat.com>
22900 * tree-cfg.c (bsi_replace): Remove the original statement
22901 from the EH throw statement table.
22903 2006-01-04 Jakub Jelinek <jakub@redhat.com>
22905 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
22906 make the prototype extern "C" and add throw ().
22909 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
22910 and pos non-negative and pos + len <= 32.
22911 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
22912 drop pos + len < HOST_BITS_PER_WIDE_INT test.
22913 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
22916 * c-common.c (handle_vector_size_attribute): Reject zero vector size
22917 as well as sizes not multiple of component size.
22920 * function.c (instantiate_expr): New function.
22921 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
22922 walk its DECL_VALUE_EXPR with instantiate_expr.
22924 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
22925 DW_OP_deref{,_size} if address isn't going to be added.
22927 2006-01-04 Ben Elliston <bje@au.ibm.com>
22929 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
22930 * config/fp-bit.c: Likewise.
22932 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
22934 * dominance.c: Add comment about why we use DFS numbering
22937 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22938 Richard Henderson <rth@redhat.com>
22940 Merge from gomp-branch:
22941 * varasm.c (assemble_variable): Handle thread-local COMMON data.
22942 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
22944 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
22946 PR rtl-optimization/25578
22947 * combine.c (combine_simplify_rtx, force_to_mode): Don't
22948 pass a parameter to simplify_shift_const if changing ASHIFTRT
22951 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
22953 * builtins.c (get_builtin_sync_mem): New function.
22954 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
22955 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
22956 Call get_builtin_sync_mem to generate mem rtx.
22958 2006-01-03 Richard Guenther <rguenther@suse.de>
22961 * stmt.c (add_case_node): Make sure to clear overflow flags
22964 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22966 Merge from gomp-branch.
22967 * config/sparc/sync.md: New file.
22968 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
22969 UNSPECV_LDSTUB): New constants.
22970 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
22971 * config/sparc/predicates.md (memory_reg_operand): New predicate.
22972 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
22975 2006-01-03 Roger Sayle <roger@eyesopen.com>
22977 * combine.c (reg_subword_p): New predicate to test whether the
22978 destination of a set refers to a subword/piece of a register.
22979 (try_combine): Generalize the code to merge the setting of a
22980 pseudo to a constant followed by a set of a subword of that
22981 register to a constant.
22983 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
22985 * basic-block.h (control_flow_graph): Change the type of
22986 x_label_to_block_map to VEC(basic_block,gc) *.
22987 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
22988 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
22990 * tree-ssa-propagate.c (cfg_blocks): Change the type to
22991 VEC(basic_block,heap) *.
22992 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
22993 ssa_prop_fini): Adjust the uses of cfg_blocks.
22995 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
22997 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
22999 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
23000 hashing trees instead of a pointer hash.
23001 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
23002 compare for MEM_EXPR.
23004 PR rtl-optimization/25130
23005 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
23006 when comparing MEMs for GCSE
23008 2006-01-03 Ben Elliston <bje@au.ibm.com>
23010 * targhooks.h (default_decimal_float_supported_p): Declare.
23011 * targhooks.c (default_decimal_float_supported_p): Define.
23012 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
23013 `default_decimal_float_supported_p'.
23014 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
23016 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
23018 * combine.c (apply_distributive_law <SUBREG>): Check
23019 TRULY_NOOP_TRUNCATION.
23021 2006-01-02 Geoffrey Keating <geoffk@apple.com>
23023 * dwarf2out.c (have_switched_text_section): Delete.
23024 (have_multiple_function_sections): New.
23025 (have_location_lists): Make 'bool'.
23026 (add_AT_loc_list): Use 'true' not '1'.
23027 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
23028 (output_loc_list): Use have_multiple_function_sections.
23029 (output_ranges): Likewise.
23030 (dwarf2out_begin_function): Set have_multiple_function_sections if
23032 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
23033 Check function_section rather than DECL_SECTION_NAME.
23034 (dwarf2out_finish): Use have_multiple_function_sections.
23035 Don't clear have_location_lists.
23037 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
23038 Jan Hubicka <jh@suse.cz>
23040 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
23041 case of conditional jump jumping to the next instruction.
23042 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
23043 cases of conditional jump jumping to the next instruction.
23045 2006-01-02 Jan Hubicka <jh@suse.cz>
23047 * i386.c (*_cost): Add COSTS_N_INSNS.
23048 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
23050 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
23053 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
23055 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
23057 * config/arm/arm.c (all_fpus): Fix comment typo.
23058 * config/darwin.c: Likewise.
23059 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
23060 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
23061 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
23063 2006-01-01 David Edelsohn <edelsohn@gnu.org>
23065 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
23066 (rs6000_split_compare_and_swapqhi): New.
23067 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
23068 (sync_compare_and_swapqhi_internal): New.
23069 * config/rs6000/rs6000-protos.h: Declare.