1 2006-12-16 Jan Hubicka <jh@suse.cz>
3 * omp-low.c (expand_omp_parallel): Set function properties.
4 * function.h (struct function): Add curr_properties and last_verified.
5 * passes.c (register_dump_files): Do not set TODO_set_props for the
7 (init_optimization_passes): Set it here; reorder initialization so the
8 dump files appear in more logical order.
9 (last_verified, curr_properties): Kill.
10 (do_per_function): New function.
11 (execute_function_todo): Break out from ...
12 (execute_todo): ... here; handle per-function flags.
13 (clear_last_verified, verify_curr_properties,
14 update_properties_after_pass): New functions.
15 (execute_one_pass): Handle per-function properties.
16 (execute_ipa_pass_list): Use do_per_function; sanity check that cfun
17 and current_function_decls are cleared out.
18 * ipa-cp.c (constant_val_insert): Clear cfun/current_function_decl
21 2006-12-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
24 * c.opt (Wempty-body): New.
25 * doc/invoke.texi (Wempty-body): Document it.
26 (Wextra): Enabled by -Wextra.
27 * c-opts.c (c_common_post_options): Enabled by -Wextra.
28 * c-common.c (empty_body_warning): Replace Wextra with Wempty-body.
29 * c-parser.c (c_parser_c99_block_statement): Likewise.
31 2006-12-15 Jakub Jelinek <jakub@redhat.com>
34 * config/rs6000/rs6000.md (div<mode>3): Use correct mode in
37 2006-12-15 Andrew Pinski <pinski@gmail.com>
40 * tree-inline.c (setup_one_parameter): Gimplify the statement if
41 the variable is not a gimple register variable.
43 2006-12-15 Uros Bizjak <ubizjak@gmail.com>
45 * invoke.texi (mstringop-strategy): Add missing "byte_loop" value.
47 2006-12-14 Jan Hubicka <jh@suse.cz>
49 * tree-flow.h (struct stmt_ann_d): Move bitfield references_memory
52 2006-12-14 Richard Guenther <rguenther@suse.de>
54 PR tree-optimization/30197
55 * builtins.c (fold_builtin_cexp): New function to fold cexp
56 to cexpi and exp parts.
57 * tree-ssa-pre.c (try_combine_conversion): Also handle
58 REALPART_EXPR and IMAGPART_EXPR.
60 2006-12-14 Richard Guenther <rguenther@suse.de>
63 * fold-const.c (fold_binary): Fold __complex__ ( x, 0 )
64 + __complex__ ( 0, y ) to __complex__ ( x, y ).
65 Fold __complex__ (x, y) * +-I to __complex__ (-+y, +-x).
67 2006-12-14 Richard Guenther <rguenther@suse.de>
69 PR tree-optimization/30198
70 * fold-const.c (fold_unary): Fold REALPART_EXPR of cexpi to cos.
71 Fold IMAGPART_EXPR of cexpi to sin.
73 2006-12-14 Dorit Nuzman <dorit@il.ibm.com>
74 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
76 * spu.c (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Defined.
77 (spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
79 (spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
80 (spu_builtin_mask_for_load): New.
81 * spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
82 * spu.md (UNSPEC_SPU_REALIGN_LOAD, UNSPEC_SPU_MASK_FOR_LOAD):New.
83 (vec_realign_load_<mode>, spu_lvsr): New.
85 2006-12-13 Ian Lance Taylor <iant@google.com>
89 * c-typeck.c (parser_build_binary_op): Move parentheses warnings
90 to warn_about_parentheses in c-common.c.
91 * c-common.c (warn_about_parentheses): New function.
92 * c-common.h (warn_about_parentheses): Declare.
93 * doc/invoke.texi (Warning Options): Update -Wparentheses
96 2006-12-13 Zdenek Dvorak <dvorakz@suse.cz>
98 * tree-ssa-loop-ivopts.c: Include tree-affine.h.
100 (constant_multiple_of): Fix order of operators for division.
101 (aff_combination_const, aff_combination_elt, aff_combination_scale,
102 aff_combination_add_elt, aff_combination_add, aff_combination_convert,
103 tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
104 aff_combination_to_tree): Moved to tree-affine.c and made to work with
105 double_int coefficients.
106 (get_computation_aff, get_computation_at): Work with double_int
108 (get_computation_cost_at): Do not use divide.
109 (rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
110 Assert that expressing the computation did not fail.
111 * tree-ssa-address.c: Include tree-affine.h.
112 (add_to_parts, most_expensive_mult_to_index, addr_to_parts,
113 create_mem_ref): Work with double_int coefficients.
114 * tree-affine.c: New file.
115 * tree-affine.h: New file.
116 * tree-flow.h (struct affine_tree_combination): Removed.
117 * Makefile.in (tree-affine.o): Add.
118 (tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h
121 2006-12-13 Peter Bergner <bergner@vnet.ibm.com>
125 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
126 the offset == 0 "then" clauses.
127 * config/rs6000/predicates.md (gpc_reg_operand): Check for
130 2006-12-13 Uros Bizjak <ubizjak@gmail.com>
132 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
133 (FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
134 (REG_ALLOC_ORDER): Remove one element due to removal of dir register.
135 (FRAME_POINTER_REGNUM): Update register number to 20.
136 (REG_CLASS_CONTENTS): Update contents due to removed dir register.
137 (HI_REGISTER_NAMES): Remove "dirflag".
139 * config/i386/i386.c (regclass_map): Remove dirflag entry.
140 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
142 (ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
144 * config/i386/i386.md (R10_REG, R11_REG): Renumber.
145 (sse_prologue_save, *sse_prologue_save_insn): Renumber
146 hardcoded SSE register numbers.
148 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
149 hardcoded MMX register numbers.
152 2006-12-13 Mark Shinwell <shinwell@codesourcery.com>
154 * config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
155 FLDMX. Rename function to...
156 (vfp_output_fldmd): ...this.
157 (vfp_output_fstmx): Output FSTMD instead of FSTMX. Rename
159 (vfp_output_fstmd): ...this.
160 (vfp_emit_fstmx): Don't leave space in the frame layout for the
161 FSTMX format word. Rename function to...
162 (vfp_emit_fstmd): ...this.
163 (arm_get_vfp_saved_size): Don't add in space for the FSTMX format
165 (arm_output_epilogue): Adjust comment to reflect use of FSTMD.
166 (arm_unwind_emit_sequence): Don't compensate for the FSTMX format
167 word. Also emit "vsave" assembler directives in such cases rather
169 * config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
170 gnu_Unwind_Save_VFP): Adjust comments.
171 (gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
172 for saving and restoring using FSTMD and FLDMD rather than
174 (gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
175 New functions for saving and restoring the VFPv3 registers 16 .. 31.
176 * config/arm/pr-support.c (gnu_unwind_execute): Add conditional
177 compilation case to correctly handle unwind opcode 0xc8 when using
179 * config/arm/unwind-arm.c (struct vfpv3_regs): New.
180 (DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
181 (__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
182 __gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
184 (restore_non_core_regs): Restore registers using FLDMD rather than
185 FLDMX if required. Also handle restoration of VFPv3 registers.
186 (_Unwind_VRS_Pop): Handle saving and restoring of registers using
187 FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
188 including cases where the caller specifies a range of registers
189 that overlaps the d15/d16 boundary.
191 2006-12-13 Diego Novillo <dnovillo@redhat.com>
194 * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
195 accomodate 511 operands.
197 2006-12-13 Richard Guenther <rguenther@suse.de>
199 * builtins.c (expand_builtin_cexpi): Fix typo.
201 2006-12-13 Jan Hubicka <jh@suse.cz>
203 * Makefile.in: Add dependencies.
204 * tree-pretty-print.c: Include value-prof.h
205 (dump_generic_bb_buff): Dump histograms
206 * value-prof.c: Include pointer-set.h
207 (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
208 set_histogram_value, gimple_histogram_value,
209 gimple_add_histogram_value, gimple_remove_histogram_value,
210 gimple_histogram_value_of_type, dump_histogram_value,
211 dump_histograms_for_stmt, gimple_remove_stmt_histograms,
212 gimple_duplicate_stmt_histograms, visit_hist,
213 verify_histograms): New functions.
214 (tree_value_profile_transformations): Update for new histogram API.
215 (tree_divmod_fixed_value): Update for new histogram API.
216 (tree_divmod_fixed_value_transform): Update for new histogram API.
217 (tree_mod_pow2): Update for new histogram API.
218 (tree_mod_pow2_value_transform): Update for new histogram API.
219 (tree_mod_subtract): Update for new histogram API.
220 (tree_mod_subtract_transform): Update for new histogram API.
221 (tree_stringops_transform): Update for new histogram API.
222 (tree_divmod_values_to_profile): Update for new histogram API.
223 (tree_stringops_values_to_profile): Update for new histogram API.
224 (tree_find_values_to_profile): Update for new histogram API.
225 * value-prof.h (gimple_histogram_value): Declare.
226 (gimple_histogram_value_of_type): Declare.
227 (gimple_add_histogram_value): Declare.
228 (gimple_remove_histogram_value): Declare.
229 (dump_histograms_for_stmt): Declare.
230 (gimple_remove_histogram_value): Declare.
231 (gimple_remove_stmt_histograms): Declare.
232 (gimple_duplicate_stmt_histograms): Declare.
233 (verify_histograms): Declare.
235 (struct funrction): Add value_histograms hash.
236 (VALUE_HISTOGRAMS): New macro.
237 * profile.c (compute_value_histograms): update for new API.
238 * tree-inline.c: Include value-prof.h
239 (copy_bb): Update histograms.
240 * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
241 reorder to get smaller memory layout.
242 * tree-cfg.c: Include value-prof.h
243 (bsi_remove): Update histograms.
244 (bsi_replace): Update histograms.
245 (verify_stmts): Call histogram verifier.
246 (tree_duplicate_bb): Update histograms.
247 (move_block_to_fn): Update histograms.
249 2006-12-13 Richard Guenther <rguenther@suse.de>
251 * ipa-inline.c (cgraph_flatten_node): Replace leafify with
253 (cgraph_decide_inlining): Likewise.
255 2006-12-13 Richard Guenther <rguenther@suse.de>
257 PR tree-optimization/17687
258 * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
259 New builtins for imaginary argument cexp.
260 * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
261 BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
262 New required builtin types.
263 * builtins.c (expand_builtin_cexpi): Declare.
264 (mathfn_built_in): Handle BUILT_IN_CEXPI.
265 (expand_builtin_cexpi): New static helper.
266 (expand_builtin): Call it.
267 (do_mpfr_sincos): Adjust for CEXPI evaluation.
268 (fold_builtin_sincos): New function to fold sincos to cepxi.
270 2006-12-13 Richard Guenther <rguenther@suse.de>
272 * ipa-reference.c (scan_for_static_refs): Also scan
273 tcc_comparison class trees.
275 2006-12-12 David Daney <ddaney@avtrex.com>
277 * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
280 2006-12-12 Andrew Pinski <pinskia@gmail.com>
282 * tree-vect-transform.c (vect_permute_load_chain):
283 Set DECL_GIMPLE_REG_P to true for the vect_perm_*
286 2006-12-13 Sa Liu <saliu@de.ibm.com>
287 Ben Elliston <bje@au.ibm.com>
289 * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
290 (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
291 * config/spu/spu-protos.h (spu_c_common_override_options):
293 * config/spu/spu-c.c (spu_c_common_override_options): New.
294 * config/spu/spu.c (spu_override_options): Whitespace fix.
296 2006-12-12 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
298 * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
300 2006-12-12 Geoffrey Keating <geoffk@apple.com>
302 * mips-tdump.c: Replace CROSS_COMPILE with
303 CROSS_DIRECTORY_STRUCTURE.
304 * mips-tfile.c: Likewise.
306 * configure.ac: Likewise.
307 * cppdefault.c: Likewise.
308 * Makefile.in: Likewise.
309 * config/alpha/osf.h: Likewise.
310 * config/i386/cygwin.h: Likewise.
311 * config/i386/beos-elf.h: Likewise.
312 * config/i386/nto.h: Likewise.
313 * config/fr30/fr30.h: Likewise.
314 * config/svr4.h: Likewise.
315 * config/rs6000/aix.h: Likewise.
316 * config/rs6000/sysv4.h: Likewise.
317 * config/pa/pa64-hpux.h: Likewise.
318 * config/pa/pa-hpux10.h: Likewise.
319 * config/pa/pa-hpux11.h: Likewise.
320 * collect2.c: Likewise.
321 * configure: Regenerate.
323 * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
324 actually takes an unsigned HOST_WIDE_INT for its second parameter.
326 2006-12-13 Ulrich Weigand <uweigand@de.ibm.com>
328 * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
329 (spu_encode_section_info): New.
330 * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
331 (SYMBOL_FLAG_ALIGN1): New.
333 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
336 * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
337 bitmap for EXECUTE_IF_SET_IN_BITMAP.
339 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
342 * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
343 (DECL_GIMPLE_REG_P): This.
344 * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
346 * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
347 * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
348 and check for VECTOR_TYPE.
349 * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
351 * tree-flow-inline.h (var_can_have_subvars): Use the renamed
353 * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
354 and check for VECTOR_TYPE.
355 (gimplify_bind_expr): Likewise.
356 (gimplify_function_tree): Likewise.
357 * expmed.c: Include target.h.
358 (extract_bit_field): For vector mode, try find a better mode first.
359 If that fails use gen_lowpart (for vectors only).
360 * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
361 and check for VECTOR_TYPE.
362 * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
363 (insert_into_preds_of_block): Likewise.
364 (insert_fake_stores): Create gimple register store_tmps for
366 * tree-sra.c (sra_elt): New field, is_vector_lhs.
367 (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
368 are the left hand side, set the element's is_vector_lhs to true.
369 (instantiate_element): For vector types which were on the left
370 hand size, set DECL_GIMPLE_REG_P to false.
371 * tree-nested.c (create_tmp_var_for): Use the renamed DECL_GIMPLE_REG_P. * tree-inline.c (declare_return_variable): Use the renamed
373 and check for VECTOR_TYPE.
374 (copy_decl_to_var): Use the renamed DECL_GIMPLE_REG_P.
375 (copy_result_decl_to_var): Likewise.
376 * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
377 create a gimple register variable.
378 (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
379 vect_inter_* temp variables.
380 * Makefile.in (expmed.o): Update dependencies.
382 2006-12-12 Peter Bergner <bergner@vnet.ibm.com>
384 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
385 the offset == 0 "then" clauses.
386 * config/rs6000/predicates.md (gpc_reg_operand): Check for
389 2006-12-12 Marcin Dalecki <martin@dalecki.de>
391 * doc/passes.texi: remove docs about "redundant PHI removal".
392 * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
393 remove redundant pass_partition_blocks declaration.
395 2006-12-12 Andrew Macleod <amacleod@redhat.com>
397 PR tree-optimization/30159
398 * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
399 functions in case a default_def coalesce is required.
401 2006-12-12 Jakub Jelinek <jakub@redhat.com>
404 * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
406 * config/ia64/linux.h (CPP_SPEC): Define.
407 * config/s390/linux.h (CPP_SPEC): Define.
409 2006-12-12 Jim Wilson <wilson@specifix.com>
410 Jakub Jelinek <jakub@redhat.com>
412 PR rtl-optimization/27761
413 * combine.c (try_combine): Don't create a useless garbage SET
414 if PATTERN (i2) is a PARALLEL. If added_sets_1, save
415 PATTERN (i1) resp. SET from i1src to i1dest in i1pat
416 and use it to prevent accidental modification of i1src.
418 2006-12-12 Ira Rosen <irar@il.ibm.com>
420 * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
421 for stores with gaps.
422 * tree-vect-transform.c (vect_permute_store_chain): Create
423 interleave_high or interleave_low according to the endianess.
425 2006-12-12 Richard Guenther <rguenther@suse.de>
428 * fold-const.c (fold_read_from_constant_string): Only fold read
429 from constant string if the result type is integer.
431 2006-12-12 Olivier Hainque <hainque@adacore.com>
433 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
435 2006-12-12 Olivier Hainque <hainque@adacore.com>
437 * config/vxlib.c: Extract tls related routines into ...
438 * config/vxlib-tls.c: New file.
439 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
441 2006-12-12 Sa Liu <saliu@de.ibm.com>
442 Ben Elliston <bje@au.ibm.com>
444 * config/spu/spu.opt (mfixed-range): New option.
445 * config/spu/spu.h (spu_fixed_range_string): Declare.
446 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
447 (fix_range): New function.
448 * doc/invoke.texi (SPU Options): Document -mfixed-range.
449 * testsuite/gcc.target/spu/fixed-range.c: New.
450 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
452 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
456 * cgraphunit.c (cgraph_optimize): Remove call to
457 process_pending_assemble_externals.
459 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
461 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
463 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
464 (ia64_hpux_add_extern_decl): Removed.
465 (ia64_hpux_file_end): Likewise.
466 (extern_func_list): Likewise.
467 (extern_func_head): Likewise.
469 * output.h (assemble_external): Update comments.
470 (default_elf_asm_output_external): New.
471 (maybe_assemble_visibility): New.
473 * toplev.c (compile_file): Update comment.
475 * varasm.c (assemble_external): Always put it on
476 pending_assemble_externals.
477 (maybe_assemble_visibility): Make it extern and return int.
478 (default_elf_asm_output_external): New.
480 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
482 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
483 can't handle the pointer arithmetic.
485 2006-12-11 Diego Novillo <dnovillo@redhat.com>
487 * doc/tree-ssa.texi: Update documentation for virtual operands
488 and the use of push_stmt_changes/pop_stmt_changes.
489 * doc/invoke.texi: Remove documentation for params
490 global-var-threshold.
491 Update documentation on max-aliased-vops.
493 * tree-into-ssa.c: Cleanup comments, variables and
494 spacing in various functions.
495 (regs_to_rename): Declare.
496 (mem_syms_to_rename): Declare.
497 (dump_update_ssa): Declare.
498 (debug_update_ssa): Declare.
499 (dump_names_replaced_by): Declare.
500 (debug_names_replaced_by): Declare.
501 (dump_def_blocks): Declare.
502 (debug_def_blocks): Declare.
503 (dump_defs_stack): Declare.
504 (debug_defs_stack): Declare.
505 (dump_currdefs): Declare.
506 (debug_currdefs): Declare.
507 (mark_def_sites): Do not handle virtual operands.
508 (compute_idf): Rename from find_idf. Update users.
509 (register_new_def): Make local. Convert second argument
511 Use BLOCK_DEFS_STACK directly.
512 If pushing a non-register, also push the underlying
514 (rewrite_stmt): Do not handle virtual operands.
515 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
516 dump_currdefs and dump_tree_ssa_stats.
517 (dump_tree_ssa_stats): Also dump REPL_TBL.
518 (replace_use): Remove. Update all users to call SET_USE
520 (rewrite_blocks): Move code to free memory to
522 (mark_def_site_blocks): Move initialization code to
524 (init_ssa_renamer): New.
525 (fini_ssa_renamer): New.
526 (rewrite_into_ssa): Call them.
527 (prepare_block_for_update): Process SSA_OP_ALL_USES first
528 and SSA_OP_ALL_DEFS later. Do not process virtual
530 (dump_update_ssa): Call dump_decl_set.
531 (init_update_ssa): Initialize regs_to_rename and
533 Call init_ssa_renamer.
534 (delete_update_ssa): Call fini_ssa_renamer.
535 Free blocks_with_phis_to_rewrite.
536 (mark_sym_for_renaming): If the variable has
537 sub-variables, also mark them.
538 If the variable belongs to a partition, also mark it.
539 (mark_set_for_renaming): Call mark_sym_for_renaming on
540 every symbol in the set.
541 (switch_virtuals_to_full_rewrite): Call
542 mark_set_for_renaming.
543 (update_ssa): Separate syms_to_rename into regs_to_rename
544 and mem_syms_to_rename.
546 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
547 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
548 (debug_generic_stmt): Likewise.
549 (debug_tree_chain): Likewise.
551 (dump_generic_node): Check for TDF_MEMSYMS.
552 Handle MEMORY_PARTITION_TAG.
553 If the statement references memory and TDF_MEMSYMS is
554 given, call dump_symbols.
555 Indicate default names with (D).
556 (dump_vops): Update for new virtual operator format.
558 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
559 tree_contains_struct.
560 (tree_code_size): Handle MEMORY_PARTITION_TAG.
561 (tree_node_structure): Likewise.
562 (needs_to_live_in_memory): Handle SSA names.
563 * tree.h (MTAG_P): Likewise.
564 (struct tree_memory_partition_tag): Declare.
565 (MPT_SYMBOLS): Define.
566 (union tree_node): Add field 'mpt'.
567 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
568 * tree.def (MEMORY_PARTITION_TAG): Define.
570 * tree-pass.h (TDF_MEMSYMS): Define.
572 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
574 * tree-ssa-alias.c: Include pointer-set.h
575 (struct alias_map_d): Remove fields total_alias_vops,
576 grouped_p and may_aliases. Update all users.
577 (struct mp_info_def): Declare.
578 (mp_info_t): New type.
579 (get_smt_for): Rename from get_tmt_for. Update all
581 (add_may_alias): Add argument ALREADY_ADDED. If given,
582 use it to avoid adding duplicate entries to alias sets.
583 (replace_may_alias): Remove. Update all users.
584 (total_alias_vops_cmp): Remove. Update all users.
585 (group_aliases_into): Remove. Update all users.
586 (tree_pointer_compare): Remove. Update all users.
587 (compact_name_tags): Remove. Update all users.
588 (group_aliases): Remove. Update all users.
589 (mark_non_addressable): Move from tree-flow-inline.h.
590 Remove the symbol from the partition holding it, if
593 (debug_mp_info): New.
595 (create_partition_for): New.
596 (rewrite_alias_set_for): New.
597 (compute_memory_partitions): New.
598 (compute_may_aliases): Call it.
599 (init_alias_info): If computing aliases for the first
600 time, mark every memory symbol for renaming.
601 (have_common_aliases_p): New.
602 (compute_flow_insensitive_aliasing): Call it.
603 (setup_pointers_and_addressables): Do not cache
605 For register promoted symbols, mark their former
606 partition for renaming.
607 (maybe_create_global_var): Only create .GLOBAL_VAR if
608 there are no call-clobbered variables and a mix of pure
609 and non-pure functions were found.
610 (may_alias_p): Tidy comments.
611 (create_tag_raw): Remove unused variable new_type.
612 (dump_alias_info): call dump_memory_partitions.
613 (dump_points_to_info_for): Call dump_decl_set.
614 (may_be_aliased): Tidy comments and formatting.
616 * timevar.def (TV_MEMORY_PARTITIONING): Define.
617 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
618 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
620 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
621 * tree-vect-transform.c (vect_transform_loop): Call
622 mark_set_for_renaming with vect_memsyms_to_rename.
623 * tree-flow-inline.h (zero_imm_uses_p): New.
624 (memory_partition): New.
625 (set_memory_partition): New.
626 (factoring_name_p): New.
627 (symbol_mem_tag): New. Update every function that used
628 to access the annotation directly.
629 (set_symbol_mem_tag): Likewise.
631 * tree-ssa-copy.c (may_propagate_copy): Allow copies
632 between a partition and a symbol as long as the symbol
633 belongs to the partition.
634 (merge_alias_info): Ignore merge requests when memory
635 partitions are involved.
637 * tree-ssa.c (verify_ssa_name): Check that default
638 definitions have empty defining statements.
639 (verify_use): Remove argument IS_VIRTUAL.
640 Don't call verify_ssa_name.
641 (verify_phi_args): Call verify_ssa_name.
642 (verify_flow_insensitive_alias_info): Handle MPTs.
643 (verify_flow_sensitive_alias_info): Likewise.
644 (verify_name_tags): Likewise.
645 (verify_call_clobbering): Likewise.
646 (verify_ssa): Check for VOPs only after aliasing
647 information is available.
648 Check virtuals and real operands separately.
649 Call verify_ssa_name on every operand.
650 (stmt_references_memory_p): Move to tree-ssa-operands.c.
651 (walk_use_def_chains_1): Guard against NULL PHI
654 * tree-ssa-operands.c (stmt_references_memory_p): Move from
657 (dump_memory_partitions): New.
658 (debug_memory_partitions): New.
660 * tree-flow.h (struct var_ann_d): Add field mpt.
661 (struct stmt_ann_d): Add bitfield references_memory.
662 * Makefile.in (tree-ssa-structalias.o): Include
664 (tree-ssa-alias.o): Likewise.
665 * tree-ssa-structalias.c: (update_alias_info): Use
666 STORED_SYMS to determine which variables are being
667 written to by the store operation.
668 * tree-ssa-structalias.h (struct alias_info)
669 <total_alias_vops>: Remove. Update all users.
670 <written_vars>: Change to a pointer set. Update all
672 <dereferenced_ptrs_store>: Likewise.
673 <dereferenced_ptrs_load>: Likewise.
674 (NUM_REFERENCES): Remove. Update all users.
675 (NUM_REFERENCES_CLEAR): Remove. Update all users.
676 (NUM_REFERENCES_INC): Remove. Update all users.
677 (NUM_REFERENCES_SET): Remove. Update all users.
679 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
681 (PARAM_MAX_ALIASED_VOPS): Set to 10.
682 * tree-ssanames.c (make_ssa_name): Initialize
683 SSA_NAME_IS_DEFAULT_DEF to 0.
685 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
687 * tree-ssa-dse.c (aggregate_vardecl_d): New.
688 (dse_global_data): Add aggregate_vardecl field.
689 (dse_possible_dead_store_p): New.
690 Add prev_defvar variable.
691 Allow immediate uses and previous immediate uses to differ
692 if they are setting different parts of the whole.
693 (get_aggregate_vardecl): New.
694 (dse_record_partial_aggregate_store): New.
695 (dse_whole_aggregate_clobbered_p): New.
696 (dse_partial_kill_p): New.
697 (dse_optimize_stmt): Abstract code checking a possible dead store
698 into new function dse_possible_dead_store_p().
699 Call dse_maybe_record_aggregate_store().
700 When checking whether a STMT and its USE_STMT refer to the
701 same memory address, check also for partial kills that clobber
703 Move some variable definitions to the block where they are used.
704 (aggregate_vardecl_hash): New.
705 (aggregate_vardecl_eq): New.
706 (aggregate_vardecl_free): New.
707 (aggregate_whole_store_p): New.
708 (tree_ssa_dse): Initialize and free aggregate_vardecl.
709 Mark which aggregate stores we care about.
711 2006-12-11 Andrew Macleod <amacleod@redhat.com>
713 * tree-ssa-operands.h (struct vuse_element_d): Declare.
714 (vuse_element_t): Declare.
715 (struct vuse_vec_d): Declare.
716 (vuse_vec_p): Declare.
717 (VUSE_VECT_NUM_ELEM): Define.
718 (VUSE_VECT_ELEMENT_NC): Define.
719 (VUSE_ELEMENT_PTR_NC): Define.
720 (VUSE_ELEMENT_VAR_NC): Define.
721 (VUSE_VECT_ELEMENT): Define.
722 (VUSE_ELEMENT_PTR): Define.
723 (VUSE_ELEMENT_VAR): Define.
724 (struct maydef_optype_d) <use_var>: Remove.
727 (struct vuse_optype_d) <kill_var>: Remove.
730 (struct mustdef_optype_d) <kill_var>: Remove.
733 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
734 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
737 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
738 (MAYDEF_OP): Add argument. Use VUSE_OP.
739 (MAYDEF_NUM): Define.
740 (MAYDEF_VECT): Define.
741 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
742 (MUSTDEF_KILL): Use VUSE_OP.
743 (MUSTDEF_NUM): Define.
744 (MUSTDEF_VECT): Define.
745 (realloc_maydef): Declare.
746 (realloc_vuse): Declare.
747 (struct ssa_operand_iterator_d) <vuse_index>: Add.
749 (LOADED_SYMS): Define.
750 (STORED_SYMS): Define.
751 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
752 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
754 * tree-pretty-print.c: Likewise.
755 * tree-ssa-dse.c: Likewise.
756 * tree-flow-inline.h: Likewise.
757 (op_iter_next_mustdef): New.
758 * tree-ssa-operands.c: Likewise.
759 (ALLOC_OPTYPE): Remove.
765 (alloc_mustdef): New.
766 (realloc_maydef): New.
769 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
771 * tree-ssa-operands.c: Remove build_v_must_defs.
772 (init_ssa_operands): Delete build_v_must_defs.
773 (finalize_ssa_v_must_def_ops): Remove.
774 (finalize_ssa_v_must_defs): Remove.
775 (finalize_ssa_stmt_operands): Do not call
776 finalize_ssa_v_must_defs.
777 (start_ssa_stmt_operands): Do not check build_v_must_defs.
778 (append_v_must_def): Delete.
779 (copy_virtual_operands): Do not copy V_MUST_DEFs.
780 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
781 comment. Remove opf_kill_def.
782 (build_ssa_operands): Remove references to v_must_defs.
783 (copy_virtual_operands): Same.
784 (copy_virtual_operands): Same.
785 (fini_ssa_operands): Same.
786 (free_ssa_operands): Same.
787 (add_mustdef_op): Remove.
788 Remove mustdef_optype_p.
789 (alloc_mustdef): Remove.
790 Remove references to V_MUST_DEFs in comment at top of file.
791 (get_expr_operands): Remove opf_kill_def.
792 (opf_kill_def): Remove.
793 (add_virtual_operand): Remove opf_kill_def.
794 (get_indirect_ref_operands): Same.
795 (get_tmr_operands): Same.
797 * tree-vectorizer.c (rename_variables_in_bb): Remove
800 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
802 (check_loop_closed_ssa_stmt): Same.
804 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
806 (verify_ssa): Remove V_MUST_DEFs traces.
807 (verify_ssa): Remove SSA_OP_ALL_KILLS.
809 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
811 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
812 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
814 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
816 (MUSTDEF_OPS): Remove.
817 (SSA_OP_VMUSTDEF): Remove.
818 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
819 (struct mustdef_optype_d): Remove.
820 Remove mustdef_optype_p.
821 (struct stmt_operands_d): Remove mustdef_ops.
822 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
823 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
824 (MUSTDEF_RESULT_PTR): Remove.
825 (MUSTDEF_RESULT): Remove.
826 (MUSTDEF_KILL_PTR): Remove.
827 (MUSTDEF_KILL): Remove.
828 (MUSTDEF_NUM): Remove.
829 (MUSTDEF_VECT): Remove.
830 (SSA_OP_VIRTUAL_KILLS): Remove.
831 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
832 (SSA_OP_VMUSTKILL): Remove.
833 (SSA_OP_ALL_KILLS): Remove.
834 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
836 * tree-flow-inline.h (op_iter_init_def): Remove
837 SSA_OP_VIRTUAL_KILLS.
838 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
840 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
841 SSA_OP_VIRTUAL_KILLS.
843 * tree-ssa-loop-im.c (determine_max_movement): Remove
844 SSA_OP_VIRTUAL_KILLS.
845 (gather_mem_refs_stmt): Same.
846 (gather_mem_refs_stmt): Same.
848 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
849 (perform_tree_ssa_dce): Remove call to
850 mark_really_necessary_kill_operand_phis.
852 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
854 (op_iter_next_use): Do not check mustkills.
855 (op_iter_next_def): Do not check mustdefs.
856 (op_iter_next_tree): Do not check mustkills or mustdefs.
857 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
858 (op_iter_next_maymustdef): Do not check mustkills.
859 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
860 (op_iter_init_mustdef): Remove.
862 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
865 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
867 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
868 (visit_assignment): Same.
870 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
872 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
874 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
876 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
877 Remove kill_p variable.
879 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
880 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
881 (collect_dfa_stats_r): Do not set num_v_must_defs.
882 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
885 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
888 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
889 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
891 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
894 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
896 PR rtl-optimization/30113
897 * loop-iv.c (implies_p): Require the mode of the operands to be
900 2006-12-11 Diego Novillo <dnovillo@redhat.com>
902 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
903 Rename from create_ssa_artficial_load_stmt. Update all users.
904 * tree-into-ssa.c (register_new_def): Make static.
905 * tree.c (is_global_var): Handle SSA_NAMEs.
906 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
907 that used to call gimple_default_def.
908 * tree-ssa-operands.c (push_stmt_changes): New.
909 (pop_stmt_changes): New. Update every pass that modifies
910 statements to bracket modifications with
911 push_stmt_changes/pop_stmt_changes.
912 (discard_stmt_changes): New.
913 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
914 'tree *' instead of 'tree'. Update all users.
915 * tree-flow-inline.h (zero_imm_uses_p): New.
916 (symbol_mem_tag): New. Update every function that used
917 to access the annotation directly.
918 (set_symbol_mem_tag): Likewise.
919 * tree-dfa.c (dump_variable): Always show the escape mask.
920 (mark_symbols_for_renaming): Rename from
921 mark_new_vars_to_rename. Update all users.
922 Only mark to rename naked symbols in real and virtual
925 2006-12-11 Andreas Schwab <schwab@suse.de>
927 * varasm.c (elf_record_gcc_switches): Cast second argument of
928 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
930 2006-12-11 Diego Novillo <dnovillo@redhat.com>
932 * tree-scalar-evolution.c (scev_const_prop):
933 * tree-phinodes.c (remove_phi_node): Add argument
934 RELEASE_LHS_P. If given, release the SSA name on the LHS of
937 * tree-ssa-dce.c: Remove forward declarations for static
938 functions. Re-arrange functions bodies as needed.
939 (find_obviously_necessary_stmts): Never mark PHI nodes as
942 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
944 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
946 2006-12-11 Jan Hubicka <jh@suse.cz>
948 * value-prof.c (tree_stringops_transform): New.
949 (tree_value_profile_transformations): Require count to be non-zero;
950 call stringop transform; reset stmt BSI after BB changed.
951 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
952 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
953 (tree_stringops_values_to_profile): New.
954 (tree_values_to_profile): Call tree_stringops_values_to_profile.
955 * tree.h (build_string_literal): Tidy prototype.
956 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
958 * builtins.c (validate_arglist, builtin_memset_read_str,
959 get_pointer_alignment): Export.
961 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
965 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
967 * config/i386/i386.opt: New target option -mx87regparm.
969 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
970 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
971 (X87_REGPARM_MAX): Define.
973 * config/i386/i386.c (override_options): Error out for
974 -mx87regparm but no 80387 support.
975 (ix86_attribute_table): Add x87regparm.
976 (ix86_handle_cconv_attribute): Update comments for x87regparm.
977 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
978 (ix86_function_x87regparm): New function.
979 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
981 (init_cumulative_args): Initialize x87_nregs and float_in_x87
983 (function_arg_advance): Process x87_nregs and x87_regno when
984 floating point argument is to be passed in 80387 register.
985 (function_arg): Pass XFmode arguments in 80387 registers for local
986 functions. Pass SFmode and DFmode arguments to local functions
987 in 80387 registers when flag_unsafe_math_optimizations is set.
989 * reg-stack.c (convert_regs_entry): Disable NaN load for
990 stack registers that are used for argument passing.
992 * doc/extend.texi: Document x87regparm function attribute.
993 * doc/invoke.texi: Document -mx87regparm.
995 2006-12-11 Jan Hubicka <jh@suse.cz>
997 Move all varpool routines out of cgraph/cgraphunit to varpool.c
998 * cgraph.c: Update comments.
999 (cgraph_varpool_hash,
1000 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
1001 cgraph_varpool_node_name, cgraph_varpool_node,
1002 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
1003 cgraph_variable_initializer_availability): Move to
1004 varpool.c and drop cgraph_ prefixes.
1005 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
1006 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
1007 move to varpool.c; drop cgraph_ prefix; make static.
1008 (dump_cgraph_varpool_node): Move to varpool.c under name
1010 (dump_varpool, hash_varpool_node, eq_varpool_node,
1011 decide_is_variable_needed): Move to varpool.c
1012 (decl_assembler_name_equal): Move to tree.c.
1013 (availability_names): Rename to ...
1014 (cgraph_availability_names): ... this one.
1015 (dump_cgraph_node): Update.
1016 * cgraph.h: Reorder declarations now in varpool.c
1017 (cgraph_vailablity_names): Declare.
1018 (struct cgraph_varpool_node): Rename to ...
1019 (struct varpool_node): ... this one.
1020 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
1021 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
1022 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
1023 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
1024 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
1025 cgraph_variable_initializer_availability): Rename to ...
1026 (varpool_first_unanalyzed_node, varpool_nodes_queue,
1027 varpool_first_unanalyzed_node, varpool_node,
1028 varpool_node_for_asm, varpool_mark_needed_node,
1029 varpool_finalize_decl, varpool_enqueue_needed_node,
1030 varpool_assemble_pending_decls, variable_initializer_availability):
1032 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
1033 * tree.h (decl_assembler_name_equal): Declare.
1034 * omp-low.c (lower_omp_critical): Update.
1035 * ipa-reference (analyze_variable, static_execute): Likewise.
1036 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
1037 * cgraphunit.c: Update comments.
1038 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
1039 varpool_assembled_nodes_queue.
1040 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
1041 varpool_analyze_pending_decls.
1042 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
1043 varpool_remove_unreferenced_decls.
1044 (record_reference): Update.
1045 (cgraph_create_edges): Update.
1046 (record_referneces_in_initializer): New function.
1047 (cgraph_varpool_assemble_decl): Move to varpool.c under name
1048 varpool_assemble_decl; make global.
1049 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
1050 varpool_assemble_pending_decls.
1051 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
1052 struct cgraph_order_sort, cgraph_output_in_order,
1053 cgraph_function_and_variable_invisibility, cgraph_optimize,
1054 cgraph_increase_alignment): Update.
1055 * dwarf2out.c (decls_for_scope): Likewise.
1056 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
1057 * except.c (output_ttype): Likewise.
1058 * varasm.c (mark_decl_referenced): Likewise.
1059 (find_decl_and_mark_referenced, assemble_alias): update.
1060 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
1061 * passes.c (rest_of_decl_compilation): Update.
1063 2006-12-11 Ira Rosen <irar@il.ibm.com>
1065 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
1066 GIMPLE_STMT_OPERAND.
1067 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
1068 (vect_setup_realignment): Likewise.
1070 2006-12-11 Sa Liu <saliu@de.ibm.com>
1071 Ben Elliston <bje@au.ibm.com>
1073 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
1074 (ENDFILE_SPEC): Likewise.
1075 * config/spu/spu.opt (mstdmain): New option.
1076 * config/spu/crti.asm: Remove.
1077 * config/spu/crtn.asm: Likewise.
1078 * config/spu/crt0.c: Likewise.
1079 * config/spu/crtend.c: Likewise.
1080 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
1082 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
1083 * doc/invoke.texi (SPU Options): Document -mstdmain.
1085 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1087 * doc/loop.texi: Document number_of_latch_executions and
1088 number_of_cond_exit_executions.
1089 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1090 chrec_is_positive, number_of_iterations_for_all_loops,
1091 scev_const_prop): Use number_of_latch_executions.
1092 (set_nb_iterations_in_loop): Do not increase the value of the
1093 number of iterations.
1094 (number_of_iterations_in_loop): Renamed to ...
1095 (number_of_latch_executions): ... this.
1096 (number_of_exit_cond_executions): New function.
1097 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
1099 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
1100 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
1101 number_of_latch_executions.
1102 * tree-data-ref.c (get_number_of_iters_for_loop): Use
1103 number_of_exit_cond_executions.
1104 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
1105 * cfgloop.h (struct loop): Improve description of the nb_iterations
1108 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
1110 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
1111 (tree_pointer_compare): Remove.
1113 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1115 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
1116 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
1117 * tree-loop-linear.c (linear_transform_loops): Ditto.
1118 * tree-ssa-loop-im.c (determine_lsm): Ditto.
1119 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1120 free_numbers_of_iterations_estimates): Ditto.
1121 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
1122 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1123 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1124 * modulo-sched.c (sms_schedule): Ditto.
1125 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
1126 tree_unroll_loops_completely): Ditto.
1127 * predict.c (predict_loops): Ditto.
1128 * tree-if-conv.c (main_tree_if_conversion): Ditto.
1129 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1130 decide_unrolling_and_peeling): Ditto.
1131 * cfgloopmanip.c (unloop): Use delete_loop.
1132 (place_new_loop): Access larray vector instead of parray.
1133 (create_preheaders, force_single_succ_latches,
1134 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
1135 * loop-doloop.c (doloop_optimize_loops): Ditto.
1136 * loop-invariant.c (move_loop_invariants): Ditto.
1137 * tree-cfg.c (replace_uses_by): Ditto.
1138 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
1139 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1141 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1143 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
1144 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
1145 get_loop and get_chrec_loop.
1146 (number_of_iterations_for_all_loops): Use number_of_loops.
1147 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
1148 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
1149 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1151 * tree-chrec.c (evolution_function_is_invariant_rec_p,
1152 chrec_convert_1): Use get_loop and get_chrec_loop.
1153 * loop-init.c (loop_optimizer_init): Use number_of_loops.
1154 (loop_optimizer_init): Use FOR_EACH_LOOP.
1155 * tree-vectorizer.c (vect_loops_num): Removed.
1156 (vectorize_loops): Store number of loops locally. Use
1157 FOR_EACH_LOOP and get_loop.
1158 * tree-vectorizer.h (vect_loops_num): Removed.
1159 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1160 (find_data_references_in_loop): Do not set parallel_p.
1161 * tree-data-ref.h: Do not declare VEC(loop_p).
1162 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1163 verify_loop_structure): Use FOR_EACH_LOOP.
1164 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1165 (initialize_loops_parallel_p): Removed.
1166 (flow_loops_find): Push the loops into a vector.
1167 (delete_loop): New function.
1168 (cancel_loop): Use delete_loop.
1169 * cfgloop.h: Declare VEC(loop_p).
1170 (struct loop): Remove parallel_p field.
1171 (struct loops): Replace num and parray field by larray vector.
1172 Remove shared_headers field.
1173 (delete_loop): Declare.
1174 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
1175 FOR_EACH_LOOP): New.
1176 * doc/loop.tex: Document new accessor functions.
1178 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
1180 * common.opt (-ftree-lrs): Remove live range splitting option.
1181 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1182 * opts.c (decode_options): Remove flag_tree_live_range_split.
1183 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1184 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
1185 * tree-outof-ssa.c: Remove header files which aren't needed.
1186 (SSANORM_*): Remove flags.
1187 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1188 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1189 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1190 (assign_vars): Use Basevar instead of root_var structure.
1191 (replace_def_variable): Dont do anything if def is replaceable.
1192 (remove_ssa_form): Integrate functional changes.
1193 (rewrite_out_of_ssa): Remove live-range_split option.
1194 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1195 (coalesce_cost): Calculate the cost of a coalesce.
1196 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1197 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1198 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1199 (pop_best_coalesce): Remove the best coalesce from the list.
1200 (coalesce_pair_map_hash): Calculate coalesce pair hash.
1201 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1202 (create_coalesce_list): Create a coalesce list object.
1203 (delete_coalesce_list): Free a coalesce list object.
1204 (find_coalesce_pair): Find matching pair in the coalesce list.
1205 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1206 (add_coalesce): Add a coalesce to the coalesce list.
1207 (compare_pairs): Comparision function to determine pair sorted order.
1208 (num_coalesce_pairs): Number of coalesced pairs.
1209 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1210 Coalesce pair iterator functions.
1211 (sort_coalesce_list): Sort coalesce pairs in order of expense.
1212 (dump_coalesce_list): Show coalesce list.
1213 (ssa_conflicts_new): Create an SSA conflict graph.
1214 (ssa_conflicts_delete): Delete an SSA conflict graph.
1215 (ssa_conflicts_test_p): Test for conflicts.
1216 (ssa_conflicts_add_one): Add a single conflict.
1217 (ssa_conflicts_add): Add a conflict pair.
1218 (ssa_conflicts_merge): Merge conflicts.
1219 (struct live_track_d): Struct for tracking live partitions.
1220 (new_live_track): Create new live_track object.
1221 (delete_live_track): Delete a live_track object.
1222 (live_track_remove_partition): Remove a partition from the live list.
1223 (live_track_add_partition): Add a partition from the live list.
1224 (live_track_clear_var): Take VAR from the live list.
1225 (live_track_live_p): Is var live?
1226 (live_track_process_use): Make var come alive.
1227 (live_track_process_def): Make var go dead, add conflicts.
1228 (live_track_init): Initialize to a live on exit set.
1229 (live_track_clear_base_vars): Clear live partitions.
1230 (build_ssa_conflict_graph): Build a conflict graph.
1231 (print_exprs): Common debug output routine.
1232 (abnormal_corrupt): Output info about a failed coalesce across an
1234 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1235 (create_outofssa_var_map): Create a var map and coalesce list.
1236 (attempt_coalesce): Coalesce a pair.
1237 (coalesce_partitions): Coalesce all pairs in a coalesce list.
1238 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
1239 * tree-ssa-live.c: Remove header files which aren't needed.
1240 (var_map_base_init): New. Initialize a basevar list.
1241 (var_map_base_fini): New. Finish a basevar list.
1242 (init_var_map): Initialize new fields.
1243 (delete_var_map): Free new fields.
1244 (var_union): Use renamed fields.
1245 (compact_var_map): Remove.
1246 (partition_to_view_init): Use renamed fields, change order of an if.
1247 (partition_view_fini): Use renamed fields.
1248 (partition_view_normal): Create basevar list if requested.
1249 (partition_view_bitmap): Create a view based on a bitmap of partitions.
1250 (change_partition_var): Use renamed fields.
1251 (create_ssa_var_map): Remove.
1252 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1253 root_var_init): Remove.
1254 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1255 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1256 compare_pairs, num_coalesce_pairs, first_partition_pair,
1257 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1258 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1259 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1260 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1261 (dump_var_map): Use renamed fields.
1262 * tree-ssa-live.h (struct _var_map): Modify fields.
1263 (partition_to_var, version_to_var, var_to_partition): Use renamed
1265 (basevar_index): New. Index of the base variable of a partition.
1266 (num_basevars): New. Number of unique base variables in partition map.
1267 (register_ssa_partition): Use renamed fields.
1268 (struct tree_partition_associator_d): Remove.
1269 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1270 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1271 root_var, root_var_first_partition, root_var_next_partition,
1272 root_var_dump, root_var_delete, root_var_remove_partition,
1273 root_var_find, root_var_compact, root_var_decompact): Remove.
1274 (struct partition_pair, struct coalesce_list_d): Moved to
1276 * tree-ssa-ter.c: Remove header files which aren't needed.
1278 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
1280 * cse.c: (struct cse_basic_block_data): Remove LAST field.
1281 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
1283 (cse_visited_basic_blocks): New static bitmap.
1284 (cse_end_of_basic_block, cse_basic_block): Remove.
1285 (cse_find_path, cse_dump_path, cse_prescan_path,
1286 cse_extended_basic_block): New static functions.
1287 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
1288 basic block boundaries. Don't record jump equivalences here.
1289 Update the CFG after doing in-place replacement of the SET_SRC.
1290 (cse_main): Rewrite. Look for extended basic block headers
1291 and call cse_extended_basic_block on them until all paths that
1292 start at this header are exhausted.
1293 (rest_of_handle_cse): Verify that the CFG is incrementally updated
1294 and correct after cse_main.
1295 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
1296 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
1297 (pass_cse): Add TODO_verify_flow.
1298 (pass_cse2): Likewise.
1300 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
1302 * reload1.c (choose_reload_regs): Don't set byte offset when
1303 resolving subregs of hard regs.
1305 2006-12-09 Zack Weinberg <zackw@panix.com>
1307 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
1308 suitable for the language, if set_yydebug is true.
1309 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
1310 YYDEBUG or declare yydebug.
1311 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
1313 2006-12-09 Jan Hubicka <jh@suse.cz>
1315 * cgraph.c: Update copyright.
1316 * cgraph.h: Likewise
1317 (cgraph_update_pending_function): Remove prototype.
1318 * cgraphunit.c: Update copyright; update overall comment.
1319 (cgraph_assemble_pending_functions): Make local.
1321 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1323 * haifa-sched.c (schedule_block): Remove excessive sanity check.
1325 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1327 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
1329 (cpat_const_p, gen_cpat_const): Add.
1330 * config/spu/spu.c (immediate_class): New enum.
1331 (cpat_info, classify_immediate): New.
1332 (print_operand): Use S, D, T instead of F, G, H. Use
1333 classify_immediate. Handle cpat cases.
1334 (spu_split_immediate): Renamed from spu_split_address. Split all
1335 immediates that can be split.
1336 (immediate_load_p): Use classify_immediate.
1337 (spu_legitimate_constant_p): Accept everything except some cases of
1339 (spu_expand_move): Use spu_split_immedate.
1340 (fsmbi_const_p): Use classify_immediate.
1341 (cpat_const_p): New.
1342 (gen_cpat_const: New.
1343 * config/spu/constraints.md (j,k,l): New constraints for cpat
1345 * config/spu/spu.md (unnamed splitter): Change address splitter to
1346 handle all immediates.
1347 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
1349 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
1352 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1355 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
1356 patterns. Correct length of high:DI instruction sequence.
1358 2006-12-08 Mike Stump <mrs@apple.com>
1360 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
1361 libgcc with -mmacosx-version-min=10.4.
1362 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
1363 G4 for 10.5+ unless doing kernel builds.
1365 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
1368 * reg-stack.c (convert_regs_entry): Mark current argument passing
1371 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
1372 of float arguments in x87 registers.
1374 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
1376 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
1378 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
1380 * recog.c (mode_dependent_address_p): Identify pre-increment,
1381 pre-decrement, post-increment and post-decrement addressing as always
1382 being mode-dependent.
1383 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
1384 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1385 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
1386 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1387 PRE_INC and POST_INC checks.
1388 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1389 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1390 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1391 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1392 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1393 PRE_INC, POST_DEC and POST_INC cases.
1394 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1395 Delete POST_INC and PRE_DEC cases.
1396 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1398 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1399 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1401 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1402 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1403 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
1404 PRE_INC and PRE_DEC cases.
1405 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1406 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1407 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1408 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1409 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1410 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
1411 auto-increment cases.
1412 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
1413 auto-increment cases.
1414 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1416 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
1418 * Makefile.in: Add new file tree-ssa-ter.c.
1419 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
1420 free_temp_expr_table, add_value_to_version_list,
1421 add_value_to_partition_list, remove_value_from_partition_list,
1422 add_dependence, check_replaceable, finish_expr, mark_replaceable,
1423 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
1424 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
1425 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
1427 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
1428 (struct value_expr_d): Remove.
1429 (struct temp_expr_table_d): Rename fields, add explicit vector of
1430 replaceable expressions instead of sharing. Change value_expr_p's to
1431 bitmap. Delete free_list.
1432 (new_temp_expr_table): Rename fields, count number of ssa_names in
1434 (free_temp_expr_table): Rename field, free new fields.
1435 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1436 add_info_to_list, remove_value_from_list): Delete.
1437 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1438 (make_dependent_on_partition): New. Set bit in version list, allocating
1439 a bitmap if need be.
1440 (add_to_partition_kill_list): New. Set bit in the partition list,
1441 allocating a bitmap if need be.
1442 (remove_from_partition_kill_list): New. Remove a bit from the
1443 partition list, free the bitmap if it is empty.
1444 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1445 on partitions with only one member.
1446 (is_replaceable_p): New. Split out replaceability check from
1448 (process_replaceable): New. Code split from check_replaceable.
1449 (check_replaceable): Removed.
1450 (finished_with_expr): Renamed from finish_expr.
1451 (kill_expr): Use renamed fields and less parameters.
1452 (kill_virtual_exprs): Less parameters.
1453 (mark_replaceable): Use renamed fields.
1454 (find_replaceable_in_bb): Use renamed fields, cleanup.
1455 (find_replaceable_exprs): Use renamed routines, cleanup.
1456 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1457 (debug_ter): New. Debug routine to dump state.
1459 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1461 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1462 anything involving the GOT.
1463 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1464 (trapping_loads_p): Look inside the pattern of an insn to find the
1466 * config/bfin/bfin.md (attr "type"): Add movcc.
1467 (insn_reservation "alu"): Likewise.
1468 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1470 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1472 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1473 (spu_resolve_overloaded_builtin): Check for non scalar instead
1474 of vector type and check the function call argument type also for
1476 Call build_function_call instead of spu_build_overload_builtin.
1478 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1480 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1481 to the calls of hwint_to_const_double.
1483 2006-12-07 Nick Clifton <nickc@redhat.com>
1485 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1486 elf_record_gcc_switches.
1488 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1490 * expr.c (string_constant): Account for non-zero lower bound arrays.
1492 2006-12-07 Richard Guenther <rguenther@suse.de>
1494 * builtins.c (expand_builtin_pow): Adjust predicates for
1495 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1498 2006-12-07 Jan Hubicka <jh@suse.cz>
1500 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1503 2006-12-07 Jan Hubicka <jh@suse.cz>
1505 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1506 use fold_constant_to_binary; tolerate wrong type constants.
1507 (value_intersect_p): Do just two tests.
1509 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1511 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1512 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1513 lshifthi3): Use it, and fix the order of alternatives.
1515 2006-12-07 Nick Clifton <nickc@redhat.com>
1517 * common.opt (record-gcc-switches): New command line switch.
1518 * target.h (print_switch_type): New enum.
1519 (print_switch_fn_type): New typedef for a function pointer.
1520 (struct gcc_target): Add record_gcc_switches and
1521 record_gcc_switches_section fields.
1522 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1524 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1526 * toplev.c (print_single_switch): Simplify by providing a
1527 pointer to function that will format and output the switch
1529 (print_switch_values): Likewise.
1530 (print_to_asm_out_file): New function.
1531 (print_to_stderr): New function.
1532 (init_asm_output): If flag_record_gcc_switches is set then if
1533 the target supports recording the switches then emit them into
1534 the assembler output file, otherwise tell the user that the
1535 switch is not supported.
1536 * varasm.c (eld_record_gcc_switches): New function. Example
1537 handler for the record_gcc_switches target hook.
1538 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1540 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1541 * doc/invoke.texi (-frecord-gcc-switches): Document.
1543 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1546 * sched-rgn.c (add_block1): Use correct initializer.
1548 2006-12-07 Richard Guenther <rguenther@suse.de>
1550 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1551 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1553 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1556 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1557 not GIMPLE_MODIFY_STMT.
1559 2006-12-06 Jan Hubicka <jh@suse.cz>
1561 * tree-vrp.c (operand_less_p): New.
1562 (compare_values, value_inside_range): Rewrite in terms of
1565 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1567 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1569 (length_immediate): Do not depend on cld type attribute.
1570 (length_address): Ditto.
1573 (cld): Remove insn pattern.
1574 (strmov_singleop): Do not use DIRFLAG_REG.
1575 (*strmovdi_rex_1): Ditto.
1576 (*strmovsi_1): Ditto.
1577 (*strmovsi_rex_1): Ditto.
1578 (*strmovhi_1): Ditto.
1579 (*strmovhi_rex_1): Ditto.
1580 (*strmovqi_1): Ditto.
1581 (*strmovqi_rex_1): Ditto.
1583 (*rep_movdi_rex64): Ditto.
1584 (*rep_movsi): Ditto.
1585 (*rep_movsi_rex64): Ditto.
1586 (*rep_movqi): Ditto.
1587 (*rep_movqi_rex64): Ditto.
1588 (strset_singleop): Ditto.
1589 (*strsetdi_rex_1): Ditto.
1590 (*strsetsi_1): Ditto.
1591 (*strsetsi_rex_1): Ditto.
1592 (*strsethi_1): Ditto.
1593 (*strsethi_rex_1): Ditto.
1594 (*strsetqi_1): Ditto.
1595 (*strsetqi_rex_1): Ditto.
1597 (*rep_stosdi_rex64): Ditto.
1598 (*rep_stossi): Ditto.
1599 (*rep_stossi_rex64): Ditto.
1600 (*rep_stosqi): Ditto.
1601 (*rep_stosqi_rex64): Ditto.
1602 (cmpstrnsi): Do not generate cld insn.
1603 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1604 (*cmpstrnqi_nz_1): Ditto.
1605 (*cmpstrnqi_nz_rex_1): Ditto.
1606 (cmpstrnqi_1): Ditto.
1607 (*cmpstrnqi_1): Ditto.
1608 (*cmpstrnqi_rex_1): Ditto.
1609 (strlenqi_1): Ditto.
1610 (*strlenqi_1): Ditto.
1611 (*strlenqi_rex_1): Ditto.
1613 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1614 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1615 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1617 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1618 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1620 (k6_alux_only_load): Ditto.
1621 (k6_alux_only_store): Ditto.
1623 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1624 Do not emit cld instruction.
1625 (ix86_expand_setmem): Ditto.
1626 (ix86_expand_strlen): Do not emit cld instruction.
1628 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1630 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1633 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1635 * gdbinit.in: Set complaints to 0.
1637 2006-12-06 Jan Hubicka <jh@suse.cz>
1639 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1640 ALONE_MEM_STAT_DECL): New macros.
1641 * bitmap.h: Include statistics.h
1642 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
1643 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
1644 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
1645 * bitmap.c: Include hashtab.h
1646 (bitmap_descriptor): New.
1647 (bitmap_hash): New static variable
1648 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
1649 New static functions.
1650 (bitmap_register): New.
1651 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
1652 bitmap_obstack_release): Do accounting.
1653 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
1655 (bitmap_gc_alloc_stat): Likewise.
1656 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
1657 (print_statistics, dump_bitmap_statistics): New functions.
1658 * toplev.c (finalize): Dump bitmap statistics.
1660 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1662 * reload1.c (delete_output_reload): Count occurrences in
1663 CALL_INSN_FUNCTION_USAGE.
1664 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
1665 crashing at the end of the list.
1667 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1669 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
1670 Optimize to avoid marking more SMT's as used when they aren't.
1672 2006-12-05 Eric Christopher <echristo@apple.com>
1674 * config/i386/i386.c (x86_output_aligned_bss): Move out
1675 of COMMON_ASM_OP ifdef.
1677 2006-12-05 Eric Christopher <echristo@apple.com>
1679 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
1680 (STARTFILE_SPEC): Use.
1681 (DARWIN_DYLIB1_SPEC): New.
1682 (DARWIN_CRT1_SPEC): New.
1683 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
1685 * config/i386/darwin.h: Ditto.
1686 * config/rs6000/darwin.h: Ditto.
1688 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1690 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
1691 * tree-complex.c (pass_lower_complex): Ditto.
1692 * tree-ssa-ccp.c (pass_ccp): Ditto.
1693 (pass_store_ccp): Ditto.
1694 * tree-ssa-dom.c (pass_dominator): Ditto.
1695 (pass_phi_only_cprop): Ditto.
1696 * tree-sra.c (pass_sra): Ditto.
1697 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1698 * tree-flow.h (updating_used_alone): Remove.
1699 (updating_used_alone): Ditto.
1700 * tree-ssa-alias.c (updating_used_alone): Remove variable.
1701 (lhs_may_store_to): Remove function.
1702 (recalculate_used_alone): Ditto.
1703 (compute_may_aliases): Remove used_alone calculation.
1704 * tree.h (struct tree_memory_tag): Remove is_used_alone and
1705 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
1706 * tree-pass.h (PROP_smt_usage): Remove.
1707 * passes.c (execute_todo): Remove used alone recalculation.
1708 (execute_one_pass): Ditto.
1709 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
1712 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
1714 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
1716 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
1718 PR tree-optimization/14784
1719 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
1721 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
1723 Merge from gimple-tuples-branch.
1725 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1727 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
1729 (s390_gimplify_va_arg): Same.
1730 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
1731 * config/sh/sh.c (sh_va_start): Same.
1732 (sh_gimplify_va_arg_expr): Same.
1733 * config/xtensa/xtensa.c (xtensa_va_start): Same.
1734 (xtensa_gimplify_va_arg_expr): Same.
1735 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
1736 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
1737 * config/mips/mips.c (mips_va_start): Same.
1738 (mips_gimplify_va_arg_expr): Same.
1740 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1742 * Merge from mainline at revision 119445.
1744 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1746 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
1748 (spu_gimplify_va_arg_expr): Same.
1750 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1752 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1753 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1754 (xstormy16_expand_builtin_va_arg): Same.
1756 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1758 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
1759 to GIMPLE_MODIFY_STMT.
1761 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1763 * config/alpha/alpha.c (va_list_skip_additions): Change all
1764 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1765 (alpha_va_start): Same.
1766 (alpha_gimplify_va_arg_1): Same.
1767 (alpha_gimplify_va_arg): Same.
1769 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1771 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
1773 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1775 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
1776 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
1778 * tree-complex.c: Same.
1779 * tree-pretty-print.c: Same.
1783 * fold-const.c: Same.
1784 * tree-ssa-dom.c: Same.
1785 * tree-ssa-propagate.c: Same.
1786 * tree-ssa-alias.c: Same.
1787 * gimple-low.c: Same.
1788 * dwarf2out.c: Same.
1789 * c-pretty-print.c: Same.
1791 * tree-inline.c: Same.
1792 * tree-outof-ssa.c: Same.
1793 * tree-ssa-structalias.c: Same.
1794 * tree-ssa-reassoc.c: Same.
1797 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
1799 * tree.c (build2_stat): Fix comment.
1801 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
1803 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
1804 TREE_OPERAND when appropriate.
1806 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
1808 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
1809 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
1810 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
1811 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
1812 not handle GIMPLE_MODIFY_STMT in the switch statement.
1813 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
1814 (java_gimplify_new_array_init): Same.
1816 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
1818 * gimplify.c (gimplify_omp_for): Allow gimple statements.
1819 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
1820 * fold-const.c (fold_binary): Allow gimple statements.
1822 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
1823 Rename from gfc_conv_descriptor_data_set.
1824 Call gfc_add_modify instead of gfc_add_modify_expr.
1825 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
1826 Rename from gfc_conv_descriptor_data_set.
1827 (gfc_conv_descriptor_data_set): New macro.
1828 (gfc_conv_descriptor_data_set_tuples): New macros.
1829 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
1830 gfc_conv_descriptor_data_set_tuples.
1831 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
1832 Generate GIMPLE_MODIFY_STMT when appropriate.
1833 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
1834 (gfc_add_modify_expr): New macro.
1835 (gfc_add_modify_stmt): New macro.
1836 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
1838 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
1840 * Merge from mainline at revision 118200.
1842 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1844 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
1847 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1849 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
1851 Also, add __extension__ to GCC versions.
1852 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1853 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
1856 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
1858 * tree-complex.c (expand_complex_libcall): Adjust for
1860 (expand_complex_comparison): Same.
1861 * tree-pretty-print.c (dump_generic_node): Is_expr should include
1862 GIMPLE_STMT_P statements.
1863 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
1865 (tree_mod_pow2_value_transform): Same.
1866 (tree_mod_subtract_transform): Same.
1867 * tree.c (build2_stat): Check for gimplified function in cfun.
1868 * tree.h (DECL_GIMPLIFIED): Delete.
1869 (struct tree_function_decl): Remove gimplified_flag.
1870 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
1871 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
1872 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
1873 (cxx_omp_clause_copy_ctor): Same.
1874 (cxx_omp_clause_assign_op): Same.
1875 * c-pretty-print.c (pp_c_conditional_expression): Same.
1876 (pp_c_expression): Same.
1877 * langhooks.c (lhd_omp_predetermined_sharing): Same.
1878 * function.h (struct function): Add gimplified field.
1879 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
1881 (find_phi_replacement_condition): Same.
1882 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
1883 (gimplify_modify_expr_to_memset): Same.
1884 (gimplify_init_ctor_eval_range): Same.
1885 (gimplify_modify_expr_complex_part): Same.
1886 (tree_to_gimple_tuple): Same.
1887 (gimplify_modify_expr): Same.
1888 (gimple_push_cleanup): Same.
1889 (gimplify_omp_for): Same.
1890 (gimplify_omp_atomic_pipeline): Same.
1891 (gimplify_omp_atomic_mutex): Same.
1892 (gimplify_expr): Same.
1893 (gimplify_one_sizepos): Same.
1894 (gimplify_function_tree): Same.
1895 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
1896 (vect_recog_widen_sum_pattern): Same.
1897 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
1898 (vect_create_epilog_for_reduction): Same.
1899 (vectorizable_reduction): Same.
1901 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
1903 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
1904 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
1905 (ifc_temp_var): Same.
1906 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
1907 for gimple statements.
1908 (vect_analyze_operations): Same.
1909 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
1910 * gimplify.c (gimplify_return_expr): Handle gimple statements.
1911 * lambda-code.c (can_put_in_inner_loop): Same.
1912 (can_put_after_inner_loop): Same.
1913 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1914 (vect_create_data_ref_ptr): Same.
1915 (vect_init_vector): Same.
1916 (vect_get_vec_def_for_operand): Same.
1917 (vect_create_epilog_for_reduction): Same.
1918 (vectorizable_reduction): Same.
1919 (vectorizable_assignment): Same.
1920 (vectorizable_operation): Same.
1921 (vectorizable_load): Same.
1922 (vectorizable_condition): Same.
1923 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
1924 (rs6000_gimplify_va_arg): Same.
1926 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
1928 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
1929 GIMPLE_STMT_OPERAND.
1930 (simplify_abs_using_ranges): Same.
1931 * tree-complex.c (expand_complex_operations_1): Use
1932 PROTECTED_TREE_OPERAND.
1933 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
1935 (get_val_for): Use GIMPLE_STMT_OPERAND.
1936 * tree-tailcall.c (adjust_accumulator_values): Same.
1937 (adjust_return_value): Same.
1938 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
1939 case. Remove special case for tcc_gimple_stmt.
1940 * tree.h (CAN_HAVE_LOCATION_P): New.
1941 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
1943 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
1944 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
1945 * tree-nrv.c (execute_return_slot_opt): Same.
1946 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
1947 * tree-vn.c (set_value_handle): Same.
1948 (get_value_handle): Same.
1949 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
1950 * tree-vectorizer.c (find_loop_location): Same.
1951 * c-typeck.c (c_process_expr_stmt): Same.
1952 (c_finish_stmt_expr): Same.
1953 * gimplify.c (should_carry_locus_p): Same.
1954 (tree_to_gimple_tuple): Delete definition and use of unecessary
1955 variable save_tree_block.
1956 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
1957 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
1958 (realify_fake_stores): Same.
1959 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
1961 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
1962 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
1963 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
1964 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
1965 (c_parser_statement_after_labels): Same.
1966 (c_parser_paren_condition): Same.
1967 (c_parser_for_statement): Same.
1968 (c_parser_omp_for_loop): Same.
1969 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
1970 (linearize_expr_tree): Same.
1971 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
1972 * function.c (instantiate_expr): Same.
1974 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
1976 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
1977 (set_expr_location): Same.
1979 (set_expr_locus): Same.
1980 (expr_filename): Same.
1981 (expr_lineno): Same.
1982 (tree_block): Use GIMPLE_STMT_BLOCK.
1983 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
1984 * tree.h (struct gimple_stmt): Remove prev and next.
1985 (GIMPLE_STMT_OPERAND_CHECK): New.
1986 (TREE_TO_GIMPLE_STMT): Delete.
1987 (GIMPLE_STMT_TO_TREE): Delete.
1988 (GIMPLE_STMT_OPERAND): Use union, not cast.
1989 (GIMPLE_STMT_LOCUS): New.
1990 (GIMPLE_STMT_BLOCK): New.
1991 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
1993 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
1995 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
1997 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
1999 * tree-tailcall.c (adjust_return_value): Same.
2000 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
2001 (copy_node_stat): Change common.base to base.
2002 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
2003 Remove GIMPLE_STATEMENT_LIST case.
2004 * tree.h (struct gimple_stmt): Make operands of type tree.
2005 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2006 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2007 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2008 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2009 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
2010 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2011 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2012 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
2013 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
2014 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
2015 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2016 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
2017 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
2018 Change common.base to base.
2019 (GIMPLE_STATEMENT_LIST*): Remove.
2020 (union tree_node): Add base. Remove gimple_statement_list.
2021 Remove pointer from gstmt.
2022 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
2023 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
2024 * tree-vn.c (vn_compute): Change common.base to base.
2025 * tree-eh.c (verify_eh_throw_stmt_node): Same.
2026 * tree-flow-inline.h (var_ann): Same.
2027 (function_ann): Same.
2029 (mark_non_addressable): Same.
2030 * gimplify.c (tree_to_gimple_tuple): Same.
2031 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
2032 * tree-dfa.c (create_var_ann): Change common.base to base.
2033 (create_function_ann): Same.
2034 (create_stmt_ann): Same.
2035 (create_tree_ann): Same.
2036 (collect_dfa_stats_r): Same.
2037 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
2038 * tree-ssa-dce.c (NECESSARY): Same.
2039 * tree-ssa.c (delete_tree_ssa): Same.
2040 * tree-optimize.c (execute_free_cfg_annotations): Same.
2041 * tree-flow.h: Same.
2043 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
2045 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
2046 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
2048 * tree.h (struct gimple_stmt): Add prev and next fields.
2049 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
2050 (GIMPLE_STATEMENT_LIST_HEAD): New.
2051 (GIMPLE_STATEMENT_LIST_TAIL): New.
2052 (struct gimple_statement_list): New.
2053 (union tree_node): Add gimple_stmt_list and gstmt.
2054 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
2055 * tree.def: Add GIMPLE_STATEMENT_LIST.
2057 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
2059 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
2060 * tree-vrp.c (build_assert_expr_for): Change uses of
2061 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2062 (find_assert_locations): Same.
2063 (remove_range_assertions): Same.
2064 (stmt_interesting_for_vrp): Same.
2065 (vrp_visit_assignment): Same.
2066 (vrp_visit_stmt): Same.
2067 (simplify_cond_using_ranges): Same.
2068 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
2070 * tree-ssa-loop-im.c (movement_possibility): Change uses of
2071 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2073 (determine_invariantness_stmt): Same.
2074 (schedule_sm): Same.
2075 (gather_mem_refs_stmt): Same.
2076 * tree-complex.c (init_dont_simulate_again): Same.
2077 (complex_visit_stmt): Same.
2078 (set_component_ssa_name): Same.
2079 (expand_complex_move): Same.
2080 (expand_complex_div_wide): Same.
2081 (expand_complex_comparison): Same.
2082 (expand_complex_operations_1): Same.
2083 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
2084 (chain_of_csts_start): Same.
2085 (infer_loop_bounds_from_undefined): Same.
2086 * tree-pretty-print.c (dump_generic_node): Same.
2088 (op_symbol_1): Same.
2089 * tree-ssa-loop-manip.c (create_iv): Same.
2090 * value-prof.c (tree_divmod_fixed_value): Same.
2091 (tree_divmod_fixed_value_transform): Same.
2092 (tree_mod_pow2): Same.
2093 (tree_mod_pow2_value_transform): Same.
2094 (tree_mod_subtract): Same.
2095 (tree_mod_subtract_transform): Same.
2096 (tree_divmod_values_to_profile): Same.
2097 * tree-tailcall.c (process_assignment): Same.
2098 (find_tail_calls): Same.
2099 (adjust_accumulator_values): Same.
2100 (adjust_return_value): Same.
2101 (eliminate_tail_call): Same.
2102 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
2103 (make_node_stat): Same.
2104 (copy_node_stat): Handle gimple tuples.
2105 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
2106 (tree_node_structure): Handle tcc_gimple_stmt.
2107 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
2109 (build2_gimple_stat): New.
2110 (expr_location): New.
2111 (set_expr_location): New.
2112 (expr_has_location): New.
2114 (set_expr_locus): New.
2115 (expr_filename): New.
2117 (walk_tree): Handle tcc_gimple_stmt.
2119 (protected_tree_operand): New.
2120 (protected_tree_type): New.
2121 (tree_code_kind): Add gimple statements.
2122 * tree.h (tree_code_class): Add tcc_gimple_stmt.
2123 (IS_GIMPLE_STMT_CODE_CLASS): New.
2124 (struct tree_base): New.
2125 (struct tree_common): Shrink.
2126 (struct gimple_stmt): New.
2127 (struct gimple_expr): New.
2128 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2129 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2130 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2131 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2132 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
2133 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2134 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2135 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
2136 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
2137 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
2138 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
2139 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2140 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
2141 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
2142 Adjust for new `common' layout.
2143 (struct tree_function_decl): Add gimplified_flag.
2144 (DECL_GIMPLIFIED): NEW.
2145 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
2146 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
2147 EXPR_HAS_LOCATION): Call corresponding function.
2148 (GIMPLE_STMT_CHECK): New.
2149 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
2150 (TREE_BLOCK): Call tree_block.
2151 (GIMPLE_STMT_P): New.
2152 (GIMPLE_TUPLE_P): New.
2153 (TREE_TO_GIMPLE_STMT): New.
2154 (GIMPLE_STMT_TO_TREE): New.
2155 (GIMPLE_STMT_OPERAND): New.
2156 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
2157 (PROTECTED_TREE_OPERAND): New.
2158 (PROTECTED_TREE_TYPE): New.
2159 (build2_gimple_stat): Protoize.
2160 (build2_gimple): New.
2161 (expr_location): Protoize.
2162 (set_expr_location): Protoize.
2163 (expr_has_location): Protoize.
2164 (expr_locus): Protoize.
2165 (set_expr_locus): Protoize.
2166 (expr_filename): Protoize.
2167 (expr_lineno): Protoize.
2168 (tree_block): Protoize.
2169 (protected_tree_operand): Protoize.
2170 (protected_tree_type): Protoize.
2171 (enum tree_node_kind): Add gimple_stmt_kind.
2172 * c-decl.c (union lang_tree_node): Tuples do not have a
2174 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2175 GIMPLE_MODIFY_STMT and adjust accordingly.
2176 * tree-scalar-evolution.c (follow_ssa_edge): Same.
2177 (interpret_condition_phi): Same.
2178 (pointer_used_p): Same.
2179 (analyze_scalar_evolution_1): Same.
2180 (scev_const_prop): Same.
2181 (interpret_rhs_modify_stmt): Rename from
2182 interpret_rhs_modify_expr.
2183 * builtins.c (std_expand_builtin_va_start): Change uses of
2184 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2185 (std_gimplify_va_arg_expr): Same.
2186 (expand_builtin_va_copy): Same.
2187 (integer_valued_real_p): Same.
2188 * fold-const.c (maybe_lvalue_p): Same.
2190 (tree_expr_nonnegative_p): Same.
2191 (tree_expr_nonzero_p): Same.
2192 * omp-low.c (extract_omp_for_data): Same.
2193 (lower_rec_input_clauses): Same.
2194 (lower_reduction_clauses): Same.
2195 (lower_copyprivate_clauses): Same.
2196 (lower_send_clauses): Same.
2197 (lower_send_shared_vars): Same.
2198 (expand_parallel_call): Same.
2199 (expand_omp_parallel): Same.
2200 (expand_omp_for_generic): Same.
2201 (expand_omp_for_static_nochunk): Same.
2202 (expand_omp_for_static_chunk): Same.
2203 (expand_omp_sections): Same.
2204 (lower_omp_single_copy): Same.
2205 (lower_omp_parallel): Same.
2206 * tree-ssa-dse.c (memory_address_same): Same.
2207 (dse_optimize_stmt): Same.
2208 * ipa-reference.c (scan_for_static_refs): Same.
2209 * tree-gimple.c (is_gimple_reg_rhs): Same.
2210 (get_call_expr_in): Same.
2211 (recalculate_side_effects): Same.
2212 * cgraphunit.c (cgraph_create_edges): Same.
2213 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2214 * tree-ssa-ccp.c (get_default_value): Same.
2215 (likely_value): Same.
2216 (visit_assignment): Same.
2217 (ccp_visit_stmt): Same.
2218 (get_maxval_strlen): Same.
2219 (ccp_fold_builtin): Same.
2220 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2221 (find_givs_in_stmt): Same.
2222 (find_interesting_uses_op): Same.
2223 (find_interesting_uses_stmt): Same.
2224 (rewrite_use_nonlinear_expr): Same.
2225 * ipa-pure-const.c (scan_function): Same.
2226 * tree-stdarg.c (va_list_counter_bump): Same.
2227 (check_all_va_list_escapes): Same.
2228 (execute_optimize_stdarg): Same.
2229 * tree-ssa-math-opts.c (compute_merit): Same.
2230 (insert_reciprocals): Same.
2231 (execute_cse_reciprocals): Same.
2232 * tree-ssa-dom.c (initialize_hash_element): Same.
2233 (simple_iv_increment_p): Same.
2234 (record_equivalences_from_stmt): Same.
2235 (optimize_stmt): Same.
2236 (remove_stmt_or_phi): Same.
2237 (get_rhs_or_phi_arg): Same.
2238 (get_lhs_or_phi_result): Same.
2239 (propagate_rhs_into_lhs): Same.
2240 * tree-nrv.c (tree_nrv): Same.
2241 (execute_return_slot_opt): Same.
2242 * tree-ssa-propagate.c (get_rhs): Same.
2244 (stmt_makes_single_load): Same.
2245 (stmt_makes_single_store): Same.
2246 (replace_vuses_in): Same.
2247 (fold_predicate_in): Same.
2248 (substitute_and_fold): Same.
2249 * tree-ssa-alias.c (compute_call_clobbered): Same.
2250 (recalculate_used_alone): Same.
2251 (count_uses_and_derefs): Same.
2252 (is_escape_site): Same.
2253 (find_used_portions): Same.
2254 * gimple-low.c (lower_stmt): Same.
2255 (block_may_fallthru): Same.
2256 (lower_return_expr): Same.
2257 * tree-ssa-sink.c (is_hidden_global_store): Same.
2258 (statement_sink_location): Same.
2259 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2260 * expr.c (safe_from_p): Same.
2261 (expand_expr_real): Same.
2262 (expand_expr_real_1): Same.
2263 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2264 * predict.c (expr_expected_value): Same.
2265 (strip_builtin_expect): Same.
2266 (apply_return_prediction): Same.
2267 (tree_bb_level_predictions): Same.
2268 (tree_estimate_probability): Same.
2269 * tree-vn.c (vn_compute): Same.
2270 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2271 (remove_stmt_from_eh_region_fn): Same.
2272 (do_return_redirection): Same.
2273 (honor_protect_cleanup_actions): Same.
2274 (lower_try_finally_switch): Same.
2275 (lower_eh_constructs_1): Same.
2276 (tree_could_throw_p): Same.
2277 (verify_eh_throw_stmt_node): Same.
2278 * function.c (gimplify_parameters): Same.
2279 * tree-vectorizer.c (vect_is_simple_use): Same.
2280 (vect_is_simple_reduction): Same.
2281 * ipa-type-escape.c (scan_for_refs): Same.
2282 * tree-if-conv.c (tree_if_conversion): Same.
2283 (tree_if_convert_stmt): Same.
2284 (if_convertible_gimplify_modify_stmt_p): Rename from
2285 if_convertible_modify_expr_p.
2286 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
2287 (ifc_temp_var): Same.
2288 (replace_phi_with_cond_modify_stmt): Rename from
2289 replace_phi_with_cond_modify_expr.
2290 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
2291 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
2292 * tree-data-ref.c (find_data_references_in_loop): Adjust for
2294 * tree-flow-inline.h (var_ann): Same.
2295 (function_ann): Same.
2297 (mark_non_addressable): Same.
2298 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
2299 * gimplify.c (tree_to_gimple_tuple): New.
2300 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
2301 (gimplify_return_expr): Same.
2302 (gimplify_decl_expr): Same.
2303 (gimplify_self_mod_expr): Same.
2304 (gimplify_cond_expr): Same.
2305 (gimplify_init_constructor): Same.
2306 (gimplify_modify_expr): Same.
2307 (gimplify_expr): Same.
2308 (gimplify_function_tree): Same.
2309 (force_gimple_operand): Same.
2310 * tree-ssa-phiopt.c (conditional_replacement): Same.
2311 (minmax_replacement): Same.
2312 (abs_replacement): Same.
2313 * tree-dfa.c (create_var_ann): Same.
2314 (create_function_ann): Same.
2315 (create_stmt_ann): Same.
2316 (create_tree_ann): Same.
2317 (collect_dfa_stats_r): Same.
2318 * tree-ssa-pre.c (find_or_generate_expression): Same.
2319 (create_expression_by_pieces): Same.
2320 (try_look_through_load): Same.
2321 (insert_fake_stores): Same.
2322 (realify_fake_stores): Same.
2323 (compute_avail): Same.
2326 (poolify_modify_stmt): Rename from poolify_modify_stmt.
2327 Adjust for GIMPLE_MODIFY_STMT.
2328 (NECESSARY): Adjust for new `common' layout.
2329 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
2331 * tree-sra.c (sra_walk_modify_stmt): Rename from
2332 sra_walk_modify_expr.
2333 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
2334 (generate_copy_inout): Same.
2335 (generate_element_copy): Same.
2336 (generate_element_zero): Same.
2337 (scalarize_copy): Same.
2338 * tree-mudflap.c (mf_decl_cache_locals): Same.
2339 (mf_build_check_statement_for): Same.
2340 (mf_xform_derefs): Same.
2341 * ipa-prop.c (ipa_method_modify_stmt): Same.
2342 * print-tree.c (print_node): Handle gimple tuples.
2343 Add case for tcc_gimple_stmt.
2344 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
2346 (copy_prop_visit_assignment): Same.
2347 (copy_prop_visit_stmt): Same.
2348 (init_copy_prop): Same.
2349 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
2350 (forward_propagate_into_cond_1): Same.
2351 (find_equivalent_equality_comparison): Same.
2352 (tidy_after_forward_propagate_addr): Same.
2353 (forward_propagate_addr_expr_1): Same.
2354 (simplify_not_neg_expr): Same.
2355 (simplify_switch_expr): Same.
2356 * tree-ssa-dce.c (find_pdom): Same.
2357 (mark_stmt_if_obviously_necessary): Same.
2358 (NECESSARY): Adjust for new `common' layout.
2359 * tree-flow.h: Same.
2360 * tree-vect-patterns.c (widened_name_p): Adjust for
2362 (vect_recog_dot_prod_pattern): Same.
2363 (vect_recog_widen_sum_pattern): Same.
2364 (vect_pattern_recog_1): Same.
2365 * tree-nested.c (init_tmp_var): Same.
2366 (save_tmp_var): Same.
2368 (convert_call_expr): Same.
2369 (finalize_nesting_tree_1): Same.
2370 * tree-ssa.c (verify_ssa): Same.
2371 (delete_tree_ssa): Same.
2372 * lambda-code.c (lbv_to_gcc_expression): Same.
2373 (lle_to_gcc_expression): Same.
2374 (lambda_loopnest_to_gcc_loopnest): Same.
2375 (can_put_in_inner_loop): Same.
2376 (can_convert_to_perfect_nest): Same.
2377 (perfect_nestify): Same.
2378 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
2379 * tree-inline.c (copy_body_r): Same.
2380 (setup_one_parameter): Same.
2381 (initialize_inlined_parameters): Same.
2382 (estimate_num_insns_1): Same.
2383 (expand_call_inline): Same.
2384 (gimple_expand_calls_inline): Same.
2385 (copy_tree_r): Same.
2386 * tree-optimize.c (execute_free_cfg_annotations): Same.
2387 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2388 (vect_align_data_ref): Same.
2389 (vect_create_data_ref_ptr): Same.
2390 (vect_init_vector): Same.
2391 (vect_create_epilog_for_reduction): Same.
2392 (vectorizable_reduction): Same.
2393 (vectorizable_assignment): Same.
2394 (vectorizable_operation): Same.
2395 (vectorizable_store): Same.
2396 (vectorizable_load): Same.
2397 (vectorizable_live_operation): Same.
2398 (vectorizable_condition): Same.
2399 (vect_generate_tmps_on_preheader): Same.
2400 (vect_create_cond_for_align_checks): Same.
2401 * tree-object-size.c (collect_object_sizes_for): Same.
2402 (check_for_plus_in_loops_1): Same.
2403 (check_for_plus_in_loops): Same.
2404 * tree-outof-ssa.c (insert_copy_on_edge): Same.
2405 (replace_use_variable): Same.
2406 (check_replaceable): Same.
2407 (rewrite_trees): Same.
2408 (identical_copies_p): Same.
2409 (insert_backedge_copies): Same.
2410 * tree-profile.c (tree_gen_edge_profiler): Same.
2411 * tree-vect-generic.c (expand_vector_operations_1): Same.
2412 * tree-ssa-structalias.c (update_alias_info): Same.
2413 (find_func_aliases): Same.
2414 * tree-cfg.c (factor_computed_gotos): Same.
2416 (make_goto_expr_edges): Same.
2417 (tree_merge_blocks): Same.
2418 (remove_useless_stmts_cond): Same.
2419 (remove_useless_stmts_1): Same.
2420 (tree_find_edge_insert_loc): Same.
2421 (verify_expr): Same.
2422 (gimplify_val): Same.
2423 (verify_gimple_tuples_1): New.
2424 (verify_gimple_tuples): New.
2425 (verify_stmts): Call verify_gimple_tuples.
2426 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
2427 (get_unary_op): Same.
2428 (linearize_expr): Same.
2429 (get_single_immediate_use): Same.
2430 (negate_value): Same.
2431 (should_break_up_subtract): Same.
2432 (break_up_subtract): Same.
2433 (repropagate_negates): Same.
2434 (break_up_subtract_bb): Same.
2435 (reassociate_bb): Same.
2436 * config/i386/i386.c (ix86_va_start): Same.
2437 (ix86_gimplify_va_arg): Same.
2438 * stmt.c (expand_expr_stmt): Same.
2439 (warn_if_unused_value): Same.
2440 (expand_return): Same.
2441 * tree-ssanames.c (make_ssa_name): Same.
2442 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2443 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2444 (add_virtual_operand): Same.
2445 (get_expr_operands): Same.
2446 (parse_ssa_operands): Same.
2447 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2449 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2451 * config.host: Remove extra blank line.
2453 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2455 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2456 target is also an x86 variant.
2458 2006-12-05 Richard Guenther <rguenther@suse.de>
2460 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2461 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2462 (ix86_builtin_vectorized_function): New function to vectorize
2465 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2467 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2468 ia64_override_options.
2470 2006-12-04 Jan Hubicka <jh@suse.cz>
2472 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2475 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2477 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2478 * config/bfin/bfin.c: Include "timevar.h".
2479 (bfin_flag_schedule_insns2, splitting_for_sched,
2480 bfin_flag_var_tracking): New variables.
2481 (print_operand): Handle '%!'.
2482 (override_options): Disable normal sched2 pass, instead set
2483 bfin_flag_schedule_insns2 for reorg to handle it.
2484 (output_file_start): Likewise for var-tracking.
2485 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2486 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2488 (bfin_reorg): Do second scheduling pass here, and call
2489 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2490 of examining insns directly. If bfin_flag_var_tracking, call
2491 var-tracking pass when done with everything else.
2492 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2493 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2494 (movsi_insn32): New pattern, with two new splits to create it
2495 before the final scheduling pass.
2496 (neghi2): Not a dsp32 insn, rather alu0.
2497 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2498 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2499 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2500 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2501 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2502 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2503 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2504 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2505 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2506 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2507 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2508 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2509 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2510 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2511 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2512 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2513 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2514 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2515 variants instead of ';'.
2516 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2517 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2518 (align8, align16, align24): Now named patterns; also using '%!'.
2521 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2523 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2524 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2526 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2528 * config/spu/spu-protos.c (spu_split_address): Add.
2529 * config/spu/spu.c (spu_split_address): Add.
2530 (print_operand): Handle HIGH.
2531 (spu_legitimate_address): Don't test for aligned CONST.
2532 (spu_expand_mov): Don't split addresses here.
2533 * config/spu/constraints.md (A): Don't test legitimate_const.
2534 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2535 (ceq_di): Use correct predicates.
2537 2006-12-04 Eric Christopher <echristo@apple.com>
2539 * config/darwin.h: Update copyright notice.
2540 * config/i386/darwin.h: Ditto.
2542 2006-12-04 Jan Hubicka <jh@suse.cz>
2544 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2545 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2547 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2549 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2551 * tree-ssa-structalias.c (set_used_smts): Export.
2552 (find_what_p_points_to): Don't call set_used_smts here.
2553 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2555 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2557 * tree-ssa-alias.c (compute_may_aliases):
2558 Compute flow sensitive before flow insensitive.
2559 (compute_flow_sensitive_aliasing): Don't try to add
2560 a symbol memory tag to itself.
2562 * alias.h (alias_set_subset_of): New prototype.
2564 * alias.c (alias_set_subset_of): New function.
2566 * tree-ssa-structalias.c: Update comments.
2567 (struct variable_info): Add finished_solution.
2568 (new_varinfo): Set finished solution to NULL.
2569 (var_escaped_vars): Remove.
2570 (escaped_vars_tree): Remove.
2571 (escaped_vars_id): Remove.
2572 (nonlocal_vars_id): Remove.
2573 (constraint_expr_type): Add INCLUDES.
2574 (graph_size): Removed.
2575 (dump_constraint): Support INCLUDES.
2576 (build_constraint_graph): Ditto.
2577 (collapse_nodes): Add merge_solutions argument.
2578 Don't merge attributes.
2579 (process_unification_queue): Just use collapse_nodes.
2580 (perform_var_substitution): Update call to collapse_nodes.
2581 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2582 (process_constraint): Fix non-field sensitive handling
2584 (get_constraint_for): Use INCLUDES.
2585 (make_constraint_from_anything): Renamed from
2586 make_constraint_from_escaped.
2587 (make_constraint_to_escaped): Removed.
2588 (find_global_initializers): Removed.
2589 (create_variable_info_for): Do not make constraints to escaped
2591 (dump_solution_for_var): Don't print out the equivalent points-to
2592 sets, just use the name of the variable it shares it with.
2593 (intra_create_variable_infos): Use INCLUDES.
2594 Change nonlocal variable sets to anything sets.
2595 (init_base_vars): Remove escaped_vars and nonlocal_var
2597 (find_escape_constraints): Removed.
2598 (delete_points_to_sets): Remove dead code.
2599 (used_smt_calculated): New variable.
2600 (set_used_smts): New function.
2601 (merge_smts_into): New function.
2602 (find_what_p_points_to): Modify to use SMTs.
2603 (create_nonlocal_var): Remove.
2605 * tree-ssa-operands.c (access_can_touch_variable): Remove
2606 reference to nonlocal_all.
2608 * tree-ssa.c (verify_name_tags): Remove.
2610 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2612 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2613 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2615 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2617 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2618 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2619 (add_livein_if_notdef): Delete.
2620 (loe_visit_block): New. Propogate live on entry info for a block into
2621 each predecessor. If it changes, make sure it is visited again.
2622 (live_worklist): Visit every block and update the live on entry info
2623 for preds. Iterate over any that changed.
2624 (set_var_live_on_entry): Populate the live on entry blocks with bits
2625 based on the immediate uses of a var.
2626 (calculate_live_on_entry): Remove.
2627 (calculate_live_on_exit): Calculate live on exit based on the newly
2628 oriented live on entry bits.
2629 (calculate_live_ranges): Build live on entry and exit vectors.
2630 (dump_live_info): Use new orientation of live on entry bitmaps.
2631 (verify_live_on_entry): New. Split out verification code from old
2632 calculate_live_on_entry routine.
2633 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2634 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2635 basic_block instead of for a partition.
2636 (live_merge_and_clear): Add asserts.
2637 (make_live_on_entry): Set partition bit in basic block vector.
2639 2006-12-04 Jakub Jelinek <jakub@redhat.com>
2642 * omp-low.c (expand_omp_for_static_nochunk,
2643 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2647 * omp-low.c (determine_parallel_type): Don't try to optimize combined
2648 parallels if region->exit or region->inner->exit is NULL.
2649 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
2651 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
2652 (expand_omp_for): Use expand_omp_for_generic if either region->cond
2653 or region->exit is NULL.
2654 (expand_omp_sections): Handle NULL region->cond or region->exit.
2657 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2659 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
2660 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2662 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
2664 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
2665 TYPE_MAX_VALUE for scalar types here but...
2666 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
2667 is attached an error mark, and the return value of the callback
2668 if it is not NULL_TREE.
2670 2006-12-04 Ben Elliston <bje@au.ibm.com>
2672 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
2674 2006-12-03 Eric Christopher <echristo@apple.com>
2677 * config/t-slibgcc-darwin: Pass -install_name.
2678 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
2679 libtool. Only pass through options that the linker recognizes.
2680 (LINK_SPEC): Update comment. Translate options.
2681 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
2682 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
2684 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
2686 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
2688 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
2691 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
2692 operands[1] in insn constraint. Correct type attribute to sselog1.
2694 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
2697 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
2699 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
2700 processor detection.
2702 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
2703 -march=native if there is no -mtune=*.
2705 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
2708 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2710 * doc/install.texi: Update recommended MPFR version. Remove
2711 obsolete reference to cumulative patch.
2713 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
2716 * c-decl.c (store_parm_decls_oldstyle): Robustify.
2718 2006-11-30 Jan Hubicka <jh@suse.cz>
2719 Uros Bizjak <ubizjak@gmail.com>
2721 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
2722 32bit memcpy/memset decriptors.
2723 (decide_alg): With -minline-all-stringops and sizes that are best
2724 to be copied via libcall still work hard enough to pick non-libcall
2727 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
2729 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
2731 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
2732 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
2733 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
2734 config/sh/sh4-300.md, config/spu/spu-builtins.def,
2735 config/spu/spu-c.c, config/spu/spu-modes.def,
2736 config/spu/spu.c, config/spu/spu.md,
2737 config/spu/spu_internals.h, config/spu/vmx2spu.h,
2738 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
2739 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
2740 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
2741 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
2742 spelling conventions.
2744 * config/i386/i386.c: Fix a comment typo.
2746 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2748 * config/spu/spu.c (spu_immediate): Remove trailing comma.
2749 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
2750 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
2751 better optimization.
2752 (floatv4siv4sf2): New.
2753 (fix_truncv4sfv4si2): New.
2754 (floatunsv4siv4sf2): New.
2755 (fixuns_truncv4sfv4si2): New.
2763 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
2764 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
2765 spu_resolve_overloaded_builtin instead of static inline functions.
2767 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
2769 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
2770 type instead of the size of its mode to compute the highest and
2771 lowest possible values. Still check the size of the mode before
2772 flipping the signedness of the comparison.
2774 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2776 * config/spu/predicates.md (spu_mov_operand): Add.
2777 * config/spu/spu.c (spu_expand_extv): Remove unused code.
2778 (print_operand_address, print_operand): Handle addresses containing AND.
2779 (spu_split_load, spu_split_store): Use updated movti pattern.
2780 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
2781 stores in mov patterns for correct operation of reload.
2782 (lq, lq_<mode>, stq, stq_<mode>): Remove.
2784 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2787 * c-common.c (check_main_parameter_types): Check for error_mark_node.
2789 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
2791 * common.opt (ftree-combine-temps): Remove.
2792 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
2793 (coalesce_ssa_name): Don't check for combine-temps.
2794 (coalesce_vars): Remove.
2795 (check_replaceable): Use num_imm_uses.
2796 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
2797 check for combine-temps.
2798 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
2799 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
2800 to register_ssa_partition calls.
2801 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
2802 (init_var_map, delete_var_map): remove refernces to ref_count.
2803 (create_ssa_var_map): Never calculate a ref count.
2804 (type_var_init): Remove.
2805 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
2806 (SSA_VAR_MAP_REF_COUNT): Delete.
2807 (create_ssa_var_map): Change Prototype to have no parameters.
2808 (version_ref_count): Delete.
2809 (register_ssa_partition): Remove 'is_use' paramater and don't set the
2811 (type_var_num, type_var, type_var_first_partition,
2812 type_var_next_partition, type_var_dump, type_var_delete,
2813 type_var_remove_partition, type_var_find, type_var_compact,
2814 type_var_decompact): Remove.
2816 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2818 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
2821 2006-12-01 Richard Guenther <rguenther@suse.de>
2824 * dwarf2out.c (struct pubname_struct): Make name const.
2825 (add_pubtype): Do not xstrdup identifiers.
2827 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2829 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
2830 multiword accesses are in range.
2832 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
2834 PR tree-optimization/29921
2835 * tree-ssa-ccp.c (canonicalize_float_value): New function.
2836 (set_lattice_value): Use canonicalize_float_value.
2838 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
2840 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
2841 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
2842 (spu_cpu_cpp_builtins): Remove.
2843 (spu_override_options): Don't set warn_main.
2844 (spu_force_reg): Move from spu-c.c.
2845 (spu_check_builtin_parm): Likewise.
2846 (expand_builtin_args): Likewise.
2847 (spu_expand_builtin_1): Likewise.
2848 (spu_expand_builtin): Likewise.
2849 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
2850 warn_main and targetm.resolve_overloaded_builtin.
2851 * config/spu/spu-c.c (spu_builtin_range): Remove.
2852 (spu_check_builtin_parm): Remove.
2853 (expand_builtin_args): Remove.
2854 (spu_expand_builtin_1): Remove.
2855 (spu_expand_builtin): Remove.
2856 (spu_cpu_cpp_builtins): Moved from spu.c
2857 (spu_force_reg): Remove.
2859 2006-12-01 Joseph Myers <joseph@codesourcery.com>
2860 David Edelsohn <edelsohn@gnu.org>
2863 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
2864 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
2865 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
2866 HARD_REGNO_NREGS_WITH_PADDING): Define.
2867 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
2868 HARD_REGNO_NREGS_WITH_PADDING): Define.
2869 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
2870 Use new macros to detect modes with holes; do not look at integer
2872 (subreg_offset_representable_p): Check for and disallow cases
2873 where the modes use different numbers of bits from registers.
2874 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
2875 constant for soft-float.
2876 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
2878 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
2879 in E500 double case.
2880 * config/rs6000/rs6000.md (movtf): Allow soft-float.
2881 (movtf_softfloat): New.
2883 2006-11-30 Richard Sandiford <richard@codesourcery.com>
2885 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
2886 simplify_gen_subreg.
2888 2006-11-30 Andrew Macleod <amacleod@redhat.com>
2890 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
2891 (COALESCE_HASH_FN): New. Define hash function.
2892 (partition_pair_map_hash): New. Hash value for a partition pair.
2893 (partition_pair_map_eq): New. Equality for hash pairs.
2894 (create_coalesce_list): Create hash table.
2895 (delete_coalesce_list): Free hash table.
2896 (find_partition_pair): Find/create pairs in hash table.
2897 (compare_pairs): Sort pairs in ascending order now.
2898 (num_coalesce_pairs): New. Number of pairs in hash table.
2899 (struct partition_pair_iterator): Iterator struct for pair table.
2900 (first_partition_pair): Iterator function for first pair.
2901 (end_partition_pair_p): Iterator function for end of iteration.
2902 (next_partition_pair): Iterator function for next pair.
2903 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
2904 (sort_coalesce_list): Sort pairs from hash table into an array.
2905 (pop_best_coalesce): Take pairs from the array.
2906 (dump_coalesce_list): Update to use hash table or sorted array.
2907 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
2908 (struct coalesce_list_d): Add hash table related fields.
2910 2006-11-30 Jan Hubicka <jh@suse.cz>
2913 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
2914 memmove/bcopy->memcpy conversion.
2916 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
2918 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
2919 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
2920 Default is the largest alignment supported for 32-bit ELF and
2921 representable on a 32-bit host.
2923 2006-11-30 Janis Johnson <janis187@us.ibm.com>
2925 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
2927 2006-11-30 Jan Hubicka <jh@suse.cz>
2929 * tree-ssa-operands.h (struct ssa_operands): New.
2930 * tree-flow-inline.h (gimple_ssa_operands): New function.
2931 * tree-flow.h: (struct gimple_df): Add ssa_operands.
2932 * Makefile.in: Remove gt-tree-ssa-operands.h
2933 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
2934 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
2935 operand_memory, operand_memory_index, ops_active): Remove statics.
2936 (ALLOC_OPTYPE): Update.
2937 (operand_build_sort_virtual): Update.
2938 (ssa_operands_active): Update.
2939 (init_ssa_operands): Update.
2940 (fini_ssa_operands): Update.
2941 (ssa_operand_alloc): Update.
2942 (INITIALIZE_USE): Update.
2943 (finalize_ssa_use_ops): Update.
2944 (finalize_ssa_v_may_def_ops): Update.
2945 (finalize_ssa_vuse_ops): Update.
2946 (finalize_ssa_v_must_def_ops): Update.
2948 2006-11-30 Richard Guenther <rguenther@suse.de>
2950 * tree-vectorizer.h (vectorizable_function): Export.
2951 * tree-vect-transform.c (vectorizable_function): Likewise.
2952 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
2953 type_in to scalar type in recognition of squaring.
2954 Make sure the target can vectorize sqrt in recognition
2955 of sqrt, set type_in to vector type in this case.
2957 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2959 * config/i386/i386.md (R10_REG): New constant.
2960 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
2961 (ix86_emit_restore_regs_using_mov): Ditto.
2962 (ix86_expand_call): Ditto.
2963 (x86_output_mi_thunk): Ditto. Also use R10_REG.
2965 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2967 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
2968 * alias.c (canon_true_dependence): Update comment.
2970 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
2972 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
2973 at the end of a diagnostics message.
2975 * alloc-pool.c (pool_free): Postpone clearing the pool entry
2976 until after asserting that it was allocated in the right pool.
2978 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
2979 successor edge information as well. Make output of live regs
2980 on exit consistent with live regs on entry.
2982 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2985 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
2986 insn patterns for TARGET_80387.
2987 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
2988 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
2989 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
2990 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
2991 Generate truncxf<mode>2 insn patterns for strict SSE math.
2993 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2995 * config/i386/i386.md (movsf_1): Enable pattern for standard
2996 80387 constants before reload when optimizing for size.
2997 (*movdf_nointeger, *movdf_integer): Ditto.
2998 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
2999 80387 constants before reload when not optimizing for size.
3001 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
3002 extension of XFmode input operands.
3004 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3006 * config/spu/crt0.c (__dso_handle): Define.
3008 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
3010 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
3011 when clearing the used flags.
3013 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3015 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
3017 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3020 * config/spu/spu.md (extend_compare<mode>): New pattern.
3021 (extend_compare): Change to expand and use the above pattern.
3023 2006-11-29 Janis Johnson <janis187@us.ibm.com>
3025 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
3027 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
3028 (DFP_INIT_ROUNDMODE): Define.
3029 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
3030 * mklibgcc.in: Fix dependencies for dfp-bit.c.
3032 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
3034 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
3035 Update documentation.
3036 (associate_line_notes_with_blocks): Kill.
3037 (extend_bb): Remove basic block argument, put void instead.
3038 Remove line number handling for each bb.
3039 (save_line_notes): Kill.
3040 (restore_line_notes): Kill.
3041 (sched_init): Remove line_note_head initialization.
3042 Change extend_bb call.
3043 (sched_finish): Remove free of line_note_head.
3044 (add_block): Change extend_bb call.
3045 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
3046 rm_line_notes and restore_line_notes calls.
3047 (schedule_ebbs): Remove rm_redundant_line_notes.
3048 * sched-int.h (struct haifa_insn_data): Remove line_note.
3049 (save_line_notes): Remove declaration.
3050 (restore_line_notes): Remove declaration.
3051 * modulo-sched.c (loop_canon_p): Update debug info printing
3052 by using insn locators instead of line note.
3053 (sms_schedule): Update debug info printing, by using insn
3054 locators instead of line note.
3055 * sched-rgn.c (debug_dependencies): Remove handling of case
3056 n>0 (line number), since it's a dead code.
3057 (schedule_region): Remove save_line_notes and
3058 restore_line_notes calls.
3060 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3062 * config/rs6000/predicates.md (gpc_reg_operand): Check
3063 invalid_e500_subreg.
3064 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
3065 SImode subregs of SPE vectors.
3066 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
3067 * jump.c (true_regnum): Require subregs to satisfy
3068 subreg_offset_representable_p.
3070 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
3071 Steven Bosscher <stevenb.gcc@gmail.com>
3073 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
3074 since it no longer exists.
3076 2006-11-29 Duncan Sands <baldrick@free.fr>
3078 PR tree-optimization/23744
3079 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
3081 2006-11-29 Duncan Sands <baldrick@free.fr>
3083 PR tree-optimization/23744
3084 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
3086 2006-11-29 Duncan Sands <baldrick@free.fr>
3088 PR tree-optimization/23744
3089 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
3091 2006-11-29 Jie Zhang <jie.zhang@analog.com>
3093 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
3095 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
3097 * sh.opt (minline-ic_invalidate): New option.
3098 (musermode): Adjust comment.
3099 * sh.c (sh_initialize_trampoline): Emit library call unless
3100 is set; if it is set, don't emit library call if we can use icbi
3102 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
3103 icbi for TARGET_SH4_300.
3104 * t-sh (LIB1ASMFUNCS_CACHE): Set.
3105 * doc/invoke.texi: Document -minline-ic_invalidate; Update
3106 -musermode documentation.
3108 2006-11-29 Jim Tison <jtison@us.ibm.com>
3110 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
3111 __gthread_recursive_mutex_init): Define.
3113 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3115 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
3116 STRICT_ALIGNMENT and the type is more aligned than the saved
3117 registers, copy via a temporary.
3119 2006-11-28 Andrew Pinski <pinskia@gmail.com>
3122 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
3125 2006-11-28 Bob Wilson <bob.wilson@acm.org>
3127 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
3129 2006-11-28 Jan Hubicka <jh@suse.cz>
3131 Privatize SSA variables into gimple_df.
3132 * tree-flow-inline.h
3133 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
3134 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
3135 gimple_nonlocal_all): New accessors.
3136 (first_referenced_var): Update.
3137 (mark_stmt_modified): Update.
3138 (is_call_clobbered): Update.
3139 (mark_call_clobbered): Update.
3140 (clear_call_clobbered): Update.
3141 (mark_non_addressable): Update.
3142 * tree-vrp.c (get_value_range): Update.
3143 * tree-into-ssa.c (in_ssa_p): Kill.
3144 (get_default_def_for): Update.
3145 (rewrite_into_ssa): Update.
3146 * tree-complex.c (init_parameter_lattice_values): Update.
3147 (update_complex_assignment): Update.
3148 (update_parameter_components): Update.
3149 (expand_complex_libcall): Update.
3150 (expand_complex_operations_1): Update.
3151 * tree-tailcall.c (arg_needs_copy_p): Update.
3152 (add_virtual_phis): Update.
3153 (tree_optimize_tail_calls_1): Update.
3154 * tree-ssa-dse.c (memory_ssa_name_same): Update.
3155 * tree-ssa-copyrename.c
3156 (copy_rename_partition_coalesce): Update.
3157 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3158 * tree-ssa-propagate.c (set_rhs): Update.
3159 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3160 addressable_vars, global_var):Kill.
3161 (set_initial_properties): Update.
3162 (init_alias_info): Update.
3163 (finalize_ref_all_pointers): Update.
3164 (setup_pointers_and_addressables): Update.
3165 (maybe_create_global_var): Update.
3166 (create_global_var): Update.
3167 (dump_points_to_info): Update.
3168 * function.h (struct gimple_df): Forward declare.
3169 (struct function): Add GIMPLE_DF field.
3170 * gimplify.c (force_gimple_operand): Update.
3171 * tree-dfa.c (referenced_vars, default_defs): KIll.
3172 (make_rename_temp): Update.
3173 (dump_variable): Update.
3174 (referenced_var_lookup): Update.
3175 (referenced_var_check_and_insert): Update.
3176 (default_def): Rename to ...
3177 (gimple_default_def): ... this one; accept cfun argument.
3178 (set_default_def): Update.
3179 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3180 (cleanup_control_flow): Update.
3181 * tree-ssa-pre.c (compute_avail): Update
3182 * tree-ssa-live.c (calculate_live_on_entry): Update.
3183 * tree-ssa.c (verify_use): Update.
3184 (verify_call_clobbering): Update.
3185 (verify_call_clobbering): Update.
3186 (init_tree_ssa): Update.
3187 (delete_tree_ssa): Update.
3188 * tree-outof-ssa.c (coalesce_ssa_name): Update.
3189 (rewrite_out_of_ssa): Update.
3190 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3191 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3193 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3194 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3195 addressable_vars, aliases_computed_p): Kill.
3196 (default_def): Rename to...
3197 (gimple_default_def): ... this one.
3198 (defaule_def_fn): Kill.
3199 (num_referenced_vars, ssa_names, num_ssa_names): Update.
3200 * tree-ssa-structalias.c (nonlocal_all): Kill.
3201 (get_constraint_exp_from_ssa_var): Update.
3202 (create_nonlocal_var): Update.
3203 (get_constraint_for): Update.
3204 (update_alias_info): Update.
3205 (find_global_initializers): Update.
3206 (intra_create_variable_infos): Update.
3207 (intra_create_variable_infos):
3208 (find_what_p_points_to): Update.
3209 (init_alias_heapvars): Update.
3210 * tree-cfg.c (remove_bb): Update.
3211 (gimplify_val): Update.
3212 * tree-ssa-reassoc.c (get_rank): Update.
3213 (init_reassoc): Update.
3214 * tree-ssanames.c: Do not include gt-tree-ssanames.h
3215 (ssa_names, free_ssanames): Kill.
3216 (init_ssanames): Update.
3217 (make_ssa_name): Update.
3218 (release_ssa_name): Update.
3219 (release_defs): Update.
3220 (replace_ssa_name_symbol): Update.
3221 * tree-ssa-operands.c (access_can_touch_variable): Update.
3222 (add_virtual_operand): Update.
3223 (add_call_clobber_ops): Update.
3224 (add_call_read_ops): Update.
3225 (get_call_expr_operands): Update.
3226 (get_asm_expr_operands): Update.
3228 2006-11-28 Jan Hubicka <jh@suse.cz>
3230 * builtins.c: Include tree-flow.h.
3231 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3232 assignment; convert memmove to memcpy for sizes greater than 1 where
3233 alignment of operands prohibit the partial overlap.
3235 2006-11-28 Jan Hubicka <jh@suse.cz>
3237 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3238 * cgraph.c (dump_cgraph_node): Dump stack usage.
3239 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3240 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3241 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3242 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3243 (cgraph_check_inline_limits): Limit stack growth.
3244 * cfgexpand.c: Include tree-inline.h.
3245 (account_stack_vars): New function.
3246 (expand_one_var): New param to just account the stack; return estimated
3248 (expand_used_vars_for_block): Update call of expand_one_var.
3249 (account_used_vars_for_block): New function.
3250 (estimated_stack_frame_size): Likewise.
3251 (init_vars_expansion, fini_vars_expansion): Break out from..
3252 (expand_used_vars): ... here.
3253 * tree-inline.h (estimated_stack_frame_size): Declare.
3254 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3256 2006-11-28 Richard Guenther <rguenther@suse.de>
3258 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3259 unsigned long for printing OBJECT_SIZE.
3261 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
3263 * alias.c (init_alias_analysis): Remove simplification loop
3264 after propagating pointers.
3266 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3268 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3271 2006-11-27 Bob Wilson <bob.wilson@acm.org>
3273 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3275 2006-11-27 Roger Sayle <roger@eyesopen.com>
3276 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3278 * c-common.c (constant_fits_type_p): Delete.
3279 (unsigned_conversion_warning): Delete.
3280 (conversion_warning): Integrate Wconversion warning from
3281 unsigned_conversion_warning.
3282 (convert_and_check): Integrate Woverflow warning from
3283 unsigned_conversion_warning. Reorganize and simplify to avoid
3284 dependence upon the middle-end setting TREE_OVERFLOW on integral
3285 conversions, by using int_fits_type_p directly.
3287 2006-11-27 Tobias Burnus <burnus@net-b.de>
3289 * doc/invoke.texi: Fixed typo.
3291 2006-11-27 Michael Matz <matz@suse.de>
3292 Andreas Krebbel <krebbel1@de.ibm.com>
3295 * config/s390/predicates.md (larl_operand): Check addend of larl
3296 operand to be in range of -/+2GB.
3297 * config/s390/s390.c (legitimize_pic_address): Likewise.
3298 Changed type of variable even to HOST_WIDE_INT.
3300 2006-11-27 Jan Hubicka <jh@suse.cz>
3302 * expr.c (emit_block_move_via_libcall): Export.
3303 (clear_storage_via_libcall): Rename to ...
3304 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
3305 (clear_storage): Update to set_storage_via_libcall.
3306 * expr.h (emit_block_move_via_libcall): Declare
3307 * config/i386/i386.h (stringop_alg): New enum.
3308 (MAX_STRINGOP_ALGS): New constant.
3309 (stringop_algs): New struct.
3310 (processor_costs): Add memcpy/memset descriptors.
3311 (TARGET_REP_MOVEL_OPTIMAL): Remove.
3312 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
3313 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
3315 * config/i386/i386.opt (minline-stringops-dynamically,
3316 mstringop-strategy): New
3318 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
3319 (ix86_expand-clrmem): Rename to ...
3320 (ix86_expand_setmem): ... this one; update prototype.
3321 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
3322 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
3323 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
3324 nocona_cost, core2_cost, generic_cost, generic64_cost,
3325 generic32_cost): Add memcpy/memset descriptors.
3326 (x86_rep_movl_optimal): Remove.
3327 (stringop_alg): New static variable.
3328 (ix86_expand_aligntest): Handle predictions.
3329 (override_options): Add strgop_alg handling.
3330 (predict_jump): New function.
3331 (scale_counter): New function.
3332 (expand_set_or_movmem_via_loop): New function.
3333 (expand_movmem_via_rep_mov): New function.
3334 (expand_setmem_via_rep_stots): New function.
3335 (emit_strmov): New function.
3336 (expand_movmem_epilogue): New function.
3337 (expand_setmem_epilogue_via_loop): New function.
3338 (expand_setmem_epilogue): New function.
3339 (expand_movmem_prologue): New function.
3340 (expand_setmem_prologue): New function.
3341 (decide_alg): New function.
3342 (decide_alignment): New function.
3343 (ix86_exand_movmem): Rewrite.
3344 (promote_duplicated_reg): New function.
3345 (ix86_expand_clrmem): Rename to ...
3346 (ix86_expand_setmem): ... this one. Rewrite.
3348 * invoke.texi (minline-stringops-dynamically): New command line option.
3349 (mstringop-strategy): Likewise.
3351 2006-11-27 Jan Hubicka <jh@suse.cz>
3353 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
3354 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
3355 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
3356 * insn-notes.def (FUNCTION_END): Remove.
3357 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
3358 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
3360 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
3361 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
3362 * cfglayout.c (duplicate_insn_chain): Don't worry about
3365 2006-11-27 Richard Guenther <rguenther@suse.de>
3366 Zdenek Dvorak <dvorakz@suse.cz>
3368 * target.h (struct gcc_target): Add builtin_vectorized_function
3370 * target-def.h (TARGET_VECTORIZE): Likewise.
3371 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3372 Document new target hook.
3373 * targhooks.h (default_builtin_vectorized_function): Declare.
3374 * targhooks.c (default_builtin_vectorized_function): Define.
3375 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
3376 (vectorizable_call): Declare.
3377 * tree-vect-analyze.c (vect_analyze_operations): Call
3379 * tree-vect-transform.c (vectorizable_function): New static function.
3380 (build_vectorized_function_call): Likewise.
3381 (vectorizable_call): New function.
3382 (vect_transform_stmt): Handle vectorizable calls.
3384 2006-11-27 Richard Guenther <rguenther@suse.de>
3387 * builtins.c (expand_builtin_pow): Optimize non integer valued
3388 constant exponents using sqrt or cbrt if possible. Always fall back
3389 to expanding via optabs.
3391 2006-11-27 Ira Rosen <irar@il.ibm.com>
3393 PR tree-optimization/22372
3394 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
3395 the type of the base address.
3396 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
3397 it in the data-ref pointer creation.
3398 (vect_init_vector): Add an argument, type of the init vector. Use it in
3400 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
3401 (get_initial_def_for_reduction): Likewise.
3402 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
3404 (vectorizable_assignment, vect_permute_store_chain): Likewise.
3405 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
3406 correct type in stmt creation.
3407 (vect_setup_realignment): Use the correct type in stmt creation.
3408 (vect_permute_load_chain): Change type of MODIFY_EXPR to
3410 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
3411 of MODIFY_EXPR to void_type_node.
3412 (vectorizable_condition): Change type of MODIFY_EXPR to
3414 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3417 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3420 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3421 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3422 standard 80387 constants, raise the cost to prevent
3423 compress_float_constant() to generate load from memory.
3425 * config/i386/i386.md: Add new splitter pattern to split
3426 float_extended load of constant from constant pool into
3429 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3431 * doc/install.texi: Move GMP/MPFR configure options from Fortran
3432 section to general section. Remove documentation for
3433 --with-mpfr-dir and --with-gmp-dir, add documentation for
3434 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3437 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3439 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3441 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3443 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3445 PR tree-optimization/29122
3446 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3447 for the new version. Assign NULL to DECL_RTL of the new version.
3449 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3451 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3453 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3455 * cse.c (cse_altered): Remove.
3456 (record_jump_equiv): Make true/false argument a bool instead
3458 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3459 where appropriate. Emit a new jump before the existing one
3460 instead of after so that delete_insn_and_edges removes the
3461 dead edges properly. Check any_condjump_p before calling
3463 (cse_basic_block): Check any_condjump_p before calling
3465 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3467 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3469 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3470 -ffixed-line-length-* options.
3472 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3474 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3475 (fprem1xf4): Rename to fprem1xf4_i387.
3477 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3478 Rename patterns to fmod<mode>3. Use general_operand operand
3479 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3480 patterns for SSE math.
3481 (remaindersf3, remainderdf3): Ditto.
3483 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3485 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3486 inside start_sequence / end_sequence pair.
3488 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3490 * jump.c (mark_all_labels): Work in cfglayout mode.
3491 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3492 when in cfglayout mode, because there are no dead jumptables
3494 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3496 (commit_edge_insertions): Do not allow insertion of instructions
3497 with control flow insns when in cfglayout mode.
3499 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3501 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3503 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3504 unswitch_loop): Ditto.
3505 * tree-loop-linear.c (linear_transform_loops): Ditto.
3506 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3507 tree_ssa_lim): Ditto.
3508 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3509 free_numbers_of_iterations_estimates): Ditto.
3510 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3511 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3512 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3513 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3514 place_new_loop, duplicate_loop, duplicate_subloops,
3515 update_single_exit_for_duplicated_loops, copy_loops_to,
3516 duplicate_loop_to_header_edge, create_preheaders,
3517 force_single_succ_latches, loop_version, fix_loop_structure):
3519 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3520 tree_unroll_loop): Ditto.
3521 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3522 * tree-scalar-evolution.c (select_loops_exit_conditions,
3523 scev_initialize, scev_analysis): Ditto.
3524 * tree-scalar-evolution.h (scev_initialize): Ditto.
3525 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3526 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3527 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3528 * modulo-sched.c (sms_schedule): Ditto.
3529 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3530 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3531 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3532 * ifcvt.c (if_convert): Ditto.
3533 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3534 canonicalize_loop_induction_variables,
3535 canonicalize_induction_variables,
3536 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3537 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3538 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3539 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3540 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3541 tree_ssa_loop_done): Ditto.
3542 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3543 estimate_bb_frequencies): Ditto.
3544 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3545 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3546 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3547 decide_unrolling_and_peeling, peel_loop_completely,
3548 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3549 peel_loop_simple, unroll_loop_stupid): Ditto.
3550 * loop-doloop.c (doloop_optimize_loops): Ditto.
3551 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3552 * loop-invariant.c (move_loop_invariants): Ditto.
3553 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3554 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3555 tree_ssa_prefetch_arrays): Ditto.
3556 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3558 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3559 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3560 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3561 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3562 verify_loop_structure): Ditto.
3563 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3564 canonicalize_induction_variables, tree_unroll_loops_completely,
3565 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3566 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3567 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3568 tree_unroll_loop, linear_transform_loops): Declaration changed.
3569 * basic-block.h: Remove declaration of struct loops.
3570 * cfghooks.h (struct cfg_hooks): Change type of
3571 cfg_hook_duplicate_loop_to_header_edge.
3572 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3573 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3574 vect_transform_loop): Declaration changed.
3575 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3576 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3577 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3578 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3579 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3580 loopify, loop_version, remove_path, unswitch_loops,
3581 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3582 Declaration changed.
3584 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3586 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3587 (X87MODEF): New mode macro.
3588 (ssemodefsuffix): New mode attribute.
3589 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3590 (sqrt_extend<mode>xf2_i387): New insn pattern.
3591 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3592 insn and truncate result back to original mode using
3593 UNSPEC_TRUNC_NOOP truncation.
3594 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3595 ssemodefsuffix mode attribute.
3596 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3597 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3598 (*sqrtextenddfxf2_i387): Remove insn patterns.
3600 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3601 truncation patterns.
3603 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3605 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3608 * c-tree.h (c_maybe_initialize_eh): New prototype.
3609 * c-decl.c (finish_decl): Move EH initialization...
3610 (c_maybe_initialize_eh): ... here. New function.
3611 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3612 if not #pragma omp atomic.
3615 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3616 or UNION_TYPE inner types.
3618 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3621 * ipa-pure-const.c (check_tree): If the original tree
3622 is volatile return early and say the function is not pure
3623 nor const. Remove the volatile check for writes.
3624 (analyze_function): Print out the result of the local
3627 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3629 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3631 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3632 * config/rs6000/rs6000.c (rs6000_override_options): Use
3633 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3636 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3638 * config/s390.c (s390_emit_compare_and_swap): New function.
3639 (s390_expand_cs_hqi, s390_expand_atomic): Call
3640 s390_emit_compare_and_swap.
3642 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3644 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
3646 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3650 * c-common.c (conversion_warning): New.
3651 (convert_and_check): Call conversion_warning unless there is an
3653 * doc/invoke.texi (-Wconversion): Update description.
3655 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
3657 * tree-ssa-alias.c (tree_pointer_compare): New function.
3658 (compact_name_tags): New function.
3659 (group_aliases): Call compact_name_tags.
3661 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3663 * real.h (real_isinteger): Declare.
3664 * real.c (real_isinteger): Define.
3665 * builtins.c (integer_valued_real_p): Use it.
3667 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3670 * c.opt (Wtraditional-conversion): New.
3671 (Wconversion): Update description.
3672 * c-typeck.c (convert_arguments): Warnings for prototypes causing
3673 type conversions different from what would happen in the absence
3674 of prototype are now handled by Wtraditional-conversion.
3675 * doc/invoke.texi (Wtraditional-conversion): New.
3676 (Wconversion): Update description.
3677 * doc/trouble.texi (Wconversion): Replace Wconversion by
3678 Wtraditional-conversion.
3680 2006-11-23 Andrew Pinski <pinskia@gmail.com>
3682 * predict.c (tree_estimate_probability): Check to make
3683 sure current_loops is non null before calling flow_loops_dump.
3685 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3687 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
3689 2006-11-23 David Ung <davidu@mips.com>
3691 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
3693 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
3694 (ASM_SPEC): Pass along -mfp32 and -mfp64.
3695 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
3696 high part of FP register when in 64-bit FP register mode. Similarly
3697 use gen_mfhc1 to load high part of FP register.
3698 (override_options): Allow -mgp32 and -mfp64 combination if
3699 ISA_HAS_MXHC1 (currently for O32 only).
3700 (mips_cannot_change_mode_class): If floating-point registers are
3701 bigger than word size. disallow conversion of float register from a
3702 large integer mode to a float mode smaller than the float register
3704 (mips_class_max_nregs): Handle float registers case seperately.
3705 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
3707 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
3708 (movdf_hardfloat_32bit): Similarly.
3709 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
3710 support a full 64-bit fpu.
3711 (mthc1): New pattern to generate MTHC1 instruction.
3712 (mfhc1): New pattern to generate MFHC1 instruction.
3713 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
3714 option for the MIPS32R2 and mention its use under O32 ABI.
3716 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3718 * var-tracking.c (emit_note_insn_var_location): Take care not to
3719 cause verify_flow_info failures.
3721 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
3723 * tree-ssa-structalias.c: Remove edge weights in favor of just
3724 processing them as complex constraints.
3725 (struct constraint_graph): Remove weighted succs and preds. Rename
3726 nonweighted succs and preds.
3727 (constraint_edge): Removed.
3728 (constraint_edge_t): Ditto.
3729 (constraint_edge_pool): Ditto.
3730 (new_constraint_edge): Ditto.
3731 (constraint_edge_equal): Ditto.
3732 (constraint_edge_less): Ditto.
3733 (constraint_edge_vec_find): Ditto.
3734 (erase_self_graph_edge): Ditto.
3735 (add_graph_edge): Removed.
3736 (get_graph_weights): Ditto.
3737 (allocate_graph_weights): Ditto.
3738 (valid_weighted_graph_edge): Ditto
3739 (bitmap_other_than_zero_bit_set): Ditto.
3740 (int_add_graph_edge): Renamed to add_graph_edge.
3741 (clear_edges_for_node): Remove support for weighted edges.
3742 (merge_graph_nodes): Ditto.
3743 (valid_graph_edge): Ditto.
3744 (build_constraint_graph): Ditto.
3746 (collapse_nodes): Ditto.
3747 (process_unification_queue): Ditto.
3748 (topo_visit): Ditto.
3749 (do_ds_constraint): Ditto.
3750 (perform_var_subsitution): Ditto.
3751 (solve_graph): Ditto.
3752 (init_alias_vars): Ditto.
3753 (delete_points_to_sets): Ditto.
3754 (do_complex_constraint): Support offsetted copies here.
3756 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
3758 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
3760 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
3762 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
3765 2006-11-23 Ben Elliston <bje@au.ibm.com>
3767 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
3769 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
3771 PR tree-optimization/29921
3772 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
3773 signed and unsigned zero equal.
3775 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
3777 * config/rs6000/rs6000.c (get_store_dest): New.
3778 (adjacent_mem_locations): Use get_store_dest() to get
3779 the rtl of the store destination.
3781 2006-11-22 Joseph Myers <joseph@codesourcery.com>
3783 * config/rs6000/spe.md (SPE64): New mode macro.
3784 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
3786 (mov_si<mode>_e500_subreg0_2): New.
3787 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
3789 (mov_si<mode>_e500_subreg4_2): New.
3790 * config/rs6000/predicates.md (input_operand): Do not allow
3791 invalid E500 subregs.
3792 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
3794 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
3795 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
3796 involving vector modes if TARGET_SPE.
3798 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
3801 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3802 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3804 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
3806 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
3807 mem_i_address_operand): New predicates.
3808 * config/bfin/bfin.c (bfin_issue_rate): New function.
3809 (TARGET_SCHED_ISSUE_RATE): New macro.
3810 * config/bfin/bfin.md (addrtype): New attribute.
3811 (slot0, slot1, slot2, store, pregs): New cpu_units.
3812 (core): Now a define_reservation.
3813 (alu): Remove some insn types from this reservation.
3814 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
3816 (dummy reservation): Don't trigger for mcld insns.
3817 (absence_sets): Two new absence sets to enforce slot ordering.
3818 (popsi_insn): Set addrtype.
3820 2006-11-22 Ira Rosen <irar@il.ibm.com>
3822 * doc/c-tree.texi: Document new tree codes.
3823 * doc/md.texi: Document new optabs.
3824 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
3826 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
3827 * optabs.h (optab_index): Add new.
3828 (vec_extract_even_optab, vec_extract_odd_optab,
3829 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
3830 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
3831 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
3833 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
3834 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3835 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
3836 along with macros for their access.
3837 * tree-data-ref.h (first_location_in_loop, data_reference): Update
3839 * tree-vect-analyze.c (toplev.h): Include.
3840 (vect_determine_vectorization_factor): Fix indentation.
3841 (vect_insert_into_interleaving_chain,
3842 vect_update_interleaving_chain, vect_equal_offsets): New functions.
3843 (vect_analyze_data_ref_dependence): Add argument for interleaving
3844 check. Check for interleaving if it's true.
3845 (vect_check_dependences): New function.
3846 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
3847 every ddr. Call vect_analyze_data_ref_dependence with new argument.
3848 (vect_update_misalignment_for_peel): Update for interleaving.
3849 (vect_verify_datarefs_alignment): Check only first data-ref for
3851 (vect_enhance_data_refs_alignment): Update for interleaving. Check
3852 only first data-ref for interleaving.
3853 (vect_analyze_data_ref_access): Check interleaving, update
3855 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
3856 with different parameters.
3857 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
3858 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
3859 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
3860 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
3861 Update step in case of interleaving.
3862 (vect_strided_store_supported, vect_permute_store_chain): New
3864 (vectorizable_store): Handle strided stores.
3865 (vect_strided_load_supported, vect_permute_load_chain,
3866 vect_transform_strided_load): New functions.
3867 (vectorizable_load): Handle strided loads.
3868 (vect_transform_stmt): Add argument. Handle strided stores. Check
3869 that vectorized stmt exists for patterns.
3870 (vect_gen_niters_for_prolog_loop): Update calculation for
3872 (vect_transform_loop): Remove stmt_vec_info for strided stores after
3873 whole chain vectorization.
3874 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
3875 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
3876 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
3877 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
3878 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
3880 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
3882 * cse.c (enum taken): Remove PATH_AROUND.
3883 (addr_affects_sp_p, invalidate_skipped_set,
3884 invalidate_skipped_block): Remove.
3885 (cse_end_of_basic_block): Remove skip_blocks and related code.
3886 (cse_main): Don't test for flag_cse_skip_blocks.
3887 Update cse_end_of_basic_block call.
3888 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
3889 code to lengthen the path if a jump was simplified.
3891 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3893 PR rtl-optimization/29924
3894 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
3895 (unroll_loop_runtime_iterations): Assert that the argument passed to
3896 split_edge_and_insert is not NULL.
3897 * loop-doloop.c (add_test): Ditto.
3899 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3901 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
3903 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
3904 * cfgloopmanip.c (update_single_exits_after_duplication,
3905 update_single_exit_for_duplicated_loop, loop_version): Ditto.
3906 * tree-scalar-evolution.c (get_loop_exit_condition,
3907 get_exit_conditions_rec, loop_closed_phi_def,
3908 number_of_iterations_in_loop, scev_const_prop): Ditto.
3909 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
3910 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
3912 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3914 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3915 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
3916 slpeel_make_loop_iterate_ntimes,
3917 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
3918 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3920 * tree-if-conv.c (if_convertible_loop_p): Ditto.
3921 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
3922 vect_analyze_loop_form): Ditto.
3923 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
3924 can_convert_to_perfect_nest, perfect_nestify): Ditto.
3925 * tree-vect-transform.c (vect_create_epilog_for_reduction,
3926 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
3927 vect_transform_loop): Ditto.
3928 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
3929 (single_exit, set_single_exit): New functions.
3930 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
3931 (single_exit, set_single_exit): Declare.
3932 * doc/loop.texi: Undocument single_exit field. Document single_exit
3935 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
3937 PR tree-optimization/29902
3938 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
3939 any involved ssa name appears in abnormal phi node.
3941 2006-11-21 Bob Wilson <bob.wilson@acm.org>
3943 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
3944 (xtensa_const_ok_for_letter_p): Delete.
3945 (xtensa_extra_constraint): Delete.
3946 (override_options): Delete xtensa_char_to_class initialization.
3947 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
3948 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3949 (EXTRA_CONSTRAINT): Delete.
3950 * config/xtensa/xtensa.md: Include constraints.md.
3951 (call_internal): Combine alternatives.
3952 (call_value_internal): Likewise, and remove invalid constraints.
3953 * config/xtensa/constraints.md: New file.
3954 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
3955 (xtensa_extra_constraint): Delete.
3956 * doc/md.texi (Machine Constraints): Refer to constraints.md for
3959 2006-11-21 Janis Johnson <janis187@us.ibm.com>
3961 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
3962 of conversion that doesn't fit.
3964 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
3965 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
3966 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
3968 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
3970 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
3972 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
3974 2006-11-21 Richard Guenther <rguenther@suse.de>
3976 * tree-vectorizer.h (NUM_PATTERNS): Increase.
3977 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
3978 vect_recog_pow_pattern.
3979 (vect_recog_pow_pattern): New function.
3981 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
3983 * config/bfin/bfin.opt (mstack-check-l1): New.
3984 * doc/invoke.texi (Blackfin Options): Document it.
3985 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
3986 stack bounds in L1 memory if the new option is enabled.
3987 (override_options): Don't allow combinations of -fstack-limit and
3989 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
3992 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
3994 (bfin_register_move_cost): Bump costs if trying to move plain
3995 integer values through accumulators.
3997 2006-11-21 Ben Elliston <bje@au.ibm.com>
3999 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
4001 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
4002 Russell Olsen <Russell_Olsen@playstation.sony.com>
4003 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
4004 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
4005 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
4006 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
4007 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4009 * config.gcc: Add target for SPU.
4010 * config/spu/constraints.md: New file.
4011 * config/spu/crt0.c: New file.
4012 * config/spu/crtend.c: New file.
4013 * config/spu/crti.asm: New file.
4014 * config/spu/crtn.asm: New file.
4015 * config/spu/float_unsdidf.c: New file.
4016 * config/spu/float_unssidf.c: New file.
4017 * config/spu/predicates.md: New file.
4018 * config/spu/spu-builtins.def: New file.
4019 * config/spu/spu-builtins.h: New file.
4020 * config/spu/spu-builtins.md: New file.
4021 * config/spu/spu-c.c: New file.
4022 * config/spu/spu-elf.h: New file.
4023 * config/spu/spu-modes.def: New file.
4024 * config/spu/spu-protos.h: New file.
4025 * config/spu/spu.c: New file.
4026 * config/spu/spu.h: New file.
4027 * config/spu/spu.md: New file.
4028 * config/spu/spu.opt: New file.
4029 * config/spu/spu_internals.h: New file.
4030 * config/spu/spu_intrinsics.h: New file.
4031 * config/spu/spu_mfcio.h: New file.
4032 * config/spu/t-spu-elf: New file.
4033 * config/spu/vec_types.h: New file.
4034 * config/spu/vmx2spu.h: New file.
4035 * doc/contrib.texi: Document SPU contributor.
4036 * doc/extend.texi: Document SPU extensions.
4037 * doc/invoke.texi: Document SPU options.
4038 * doc/md.texi: Document SPU constraints.
4040 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4042 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
4044 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
4046 (flow_loop_dump): Do not dump loop level.
4047 (flow_loops_find): Do not call flow_loops_level_compute.
4048 * cfgloop.h (struct loop): Remove level field.
4050 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4052 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
4053 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
4054 Use vector of edges instead of array.
4055 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
4056 estimate_numbers_of_iterations_loop): Ditto.
4057 * predict.c (predict_loops): Ditto.
4058 * loop-unroll.c (analyze_insns_in_loop): Ditto.
4059 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
4061 * basic-block.h: Declare heap allocation for edge vectors.
4062 * tree-outof-ssa.c: Ditto.
4063 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
4064 * cfgloop.h (get_loop_exit_edges): Declaration changed.
4066 2006-11-20 Zack Weinberg <zackw@panix.com>
4068 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
4069 Add another out parameter, "skip".
4070 (set_gc_used_type): Adjust calls to process_gc_options. If a field
4071 is tagged "skip", do not mark its type used.
4073 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4076 * tree-sra.c (single_scalar_field_in_record_p): New function.
4077 (decide_block_copy): Use it.
4079 2006-11-20 David Daney <ddaney@avtrex.com>
4081 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4082 PC to point to following instruction.
4084 2006-11-20 Anatoly Sokolov <aesok@post.ru>
4088 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
4090 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
4092 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
4094 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4095 Add sh/superh.h to tm_file.
4097 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
4098 Mark Mitchell <mark@codesourcery.com>
4100 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
4102 (cpp_relocated): New function.
4103 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
4105 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
4106 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
4107 replace configured prefix with gcc_exec_prefix.
4109 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
4111 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
4112 bfin_legitimate_constant_p.
4113 * config/bfin/bfin.md (movsi expander): Check return value of
4115 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
4116 (expand_move): Adjust prototype.
4117 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
4118 invalid constants specially.
4119 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
4121 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
4123 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
4124 sibcall_value_symbol): Allow these patterns if
4125 TARGET_LEAF_ID_SHARED_LIBRARY.
4126 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
4127 (override_options): Turn on id shared library flags if -msep-data,
4128 but disallow the combination of these options on the command line.
4129 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
4130 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
4131 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
4132 -mid-shared-library.
4133 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
4134 * doc/invoke.texi (Blackfin Options): Document new switches.
4136 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
4137 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
4139 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
4140 inflate costs for addresses with an out-of-bounds address.
4142 2006-11-19 Andrew Pinski <pinskia@gmail.com>
4145 * fwprop.c (loops): Remove.
4146 (forward_propagate_into): Use current_loops instead of
4148 (fwprop_init): Call loop_optimizer_init instead of
4150 (fwprop_done): Call loop_optimizer_finalize instead of
4152 (fwprop): Use current_loops instead of loops.
4154 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
4157 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4159 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4162 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4163 larger than BITS_PER_WORD.
4165 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4169 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4170 to MAX_FIXED_MODE_SIZE.
4172 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4174 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
4175 (fold_builtin_fmin_fmax): New.
4176 (fold_builtin_1): Use it.
4178 * fold-const.c (fold_strip_sign_ops): Handle copysign.
4180 2006-11-18 Richard Guenther <rguenther@suse.de>
4182 * config/i386/i386.c (ix86_builtins): New array for ix86
4183 builtin function decls.
4184 (def_builtin): New function.
4185 (def_builtin_const): Likewise.
4186 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4188 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
4190 * doc/invoke.texi (core2): Add item.
4192 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4194 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4195 (TARGET_CPU_DEFAULT_generic): Change value.
4196 (TARGET_CPU_DEFAULT_NAMES): Add core2.
4197 (processor_type): Add new constant PROCESSOR_CORE2.
4199 * config/i386/i386.md (cpu): Add core2.
4201 * config/i386/i386.c (core2_cost): New initialized variable.
4202 (m_CORE2): New macro.
4203 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4204 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4205 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4206 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4207 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4208 x86_accumulate_outgoing_args, x86_prologue_using_move,
4209 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4210 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4211 x86_use_incdec, x86_four_jump_limit, x86_schedule,
4212 x86_pad_returns): Add m_CORE2.
4213 (override_options): Add entries for Core2.
4214 (ix86_issue_rate): Add case for Core2.
4216 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
4218 * doc/invoke.texi: Fix mno-isel typo.
4220 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4222 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4223 easy vector constant loads.
4225 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4227 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4228 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4229 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4230 * config/rs6000/sync.md (lwsync): Emit plain sync if
4233 2006-11-17 DJ Delorie <dj@redhat.com>
4235 * reload1.c (reloads_unique_chain): New.
4236 (reloads_conflict): Call it.
4238 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4240 * config/xtensa/predicates.md (addsubx_operand): New.
4241 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4242 (xtensa_emit_bit_branch): New.
4243 (xtensa_emit_movcc): New.
4244 * config/xtensa/xtensa.md (any_minmax): New code macro.
4245 (minmax): New code attribute.
4246 (any_cond, any_scc, any_scc_sf): New code macros.
4247 (*addx2, *addx4, *addx8): Delete.
4249 (*subx2, *subx4, *subx8): Delete.
4251 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4252 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4253 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4254 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4255 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4256 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4257 (movsfcc_internal0, movsfcc_internal1): Likewise.
4258 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4259 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4260 (xtensa_emit_bit_branch): New.
4261 (xtensa_emit_movcc): New.
4262 (function_arg_boundary): Add missing prototype.
4264 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4266 * config/xtensa/xtensa.md (tstsi): Delete
4268 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4270 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4272 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4274 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4276 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4278 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
4280 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4282 * tree-vrp.c (execute_vrp): Do not update current_loops.
4283 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
4284 * doc/loop.texi: Remove documentation for cancelled functions.
4285 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
4286 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
4288 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
4289 (remove_path): Ensure that in delete_basic_blocks, the loops
4290 are still allocated.
4291 (add_loop): Work on valid loop structures.
4292 (loopify): Modify call of add_loop.
4293 (mfb_update_loops): Removed.
4294 (create_preheader): Do not update loops explicitly.
4295 (force_single_succ_latches, loop_version): Do not use
4296 loop_split_edge_with.
4297 (loop_split_edge_with): Removed.
4298 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
4299 Do not use bsi_insert_on_edge_immediate_loop.
4300 (split_loop_exit_edge, tree_unroll_loop): Do not use
4301 loop_split_edge_with.
4302 (bsi_insert_on_edge_immediate_loop): Removed.
4303 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
4304 use loop_split_edge_with.
4305 * cfghooks.c: Include cfgloop.h.
4306 (verify_flow_info): Verify that loop_father is filled iff current_loops
4308 (redirect_edge_and_branch_force, split_block, delete_basic_block,
4309 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4311 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4313 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
4314 loop_split_edge_with.
4315 (sms_schedule): Use current_loops.
4316 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
4317 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
4319 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
4320 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
4321 * ifcvt.c (if_convert): Ditto.
4322 * predict.c (predict_loops): Do not clear current_loops.
4323 (tree_estimate_probability): Use current_loops.
4324 (propagate_freq): Receive head of the region to propagate instead of
4326 (estimate_loops_at_level): Do not use shared to_visit bitmap.
4327 (estimate_loops): New function. Handle case current_loops == NULL.
4328 (estimate_bb_frequencies): Do not allocate tovisit. Use
4330 * tree-ssa-loop.c (current_loops): Removed.
4331 (tree_loop_optimizer_init): Do not return loops.
4332 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
4333 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
4334 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
4335 Do not update loops explicitly.
4336 * function.h (struct function): Add x_current_loops field.
4337 (current_loops): New macro.
4338 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
4339 * loop-unroll.c (split_edge_and_insert): New function.
4340 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
4341 use loop_split_edge_with.
4342 * loop-doloop.c (add_test, doloop_modify): Ditto.
4343 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
4344 * cfglayout.c (copy_bbs): Do not update loops explicitly.
4345 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
4346 * tree-vect-transform.c (vect_transform_loop): Do not update loops
4348 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
4349 (flow_loops_free): Do not free dfs_order and rc_order.
4350 (flow_loops_find): Do not set dfs_order and rc_order in loops
4351 structure. Do not call loops and flow info verification.
4352 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
4353 already belongs to some loop.
4354 * cfgloop.h (struct loops): Remove struct cfg.
4355 (current_loops, loop_split_edge_with): Declaration removed.
4356 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
4357 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
4358 Declaration removed.
4359 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
4360 * basic-block.h (split_edge_and_insert): Declare.
4361 * tree-cfg.c (remove_bb): Do not update loops explicitly.
4363 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4365 PR tree-optimization/29801
4366 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
4367 (get_default_value): Use get_symbol_constant_value.
4368 (set_lattice_value): ICE when the value of the constant is
4370 (visit_assignment): Ignore VDEFs of read-only variables.
4372 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4374 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
4376 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4377 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
4379 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4381 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
4382 select subvars of var.
4384 2006-11-17 Jakub Jelinek <jakub@redhat.com>
4387 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
4388 optimize if DEF doesn't have integral type.
4390 2006-11-16 Mike Stump <mrs@apple.com>
4392 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
4393 pre-darwin9 system, unless the user asks for it directly.
4394 (PREFERRED_DEBUGGING_TYPE): Likewise.
4395 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4396 * config.gcc: Add suppport for darwin9.h.
4397 * config/darwin9.h: Add.
4398 * doc/install.texi (Specific): Clarify darwin documentation.
4400 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4402 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
4403 optimizing for size.
4405 2006-11-16 Mike Stump <mrs@apple.com>
4407 * Makefile.in (targhooks.o): Add $(OPTABS_H).
4409 2006-11-16 Dirk Mueller <dmueller@suse.de>
4411 * tree-vrp.c (get_value_range): Use XCNEW instead
4413 (insert_range_assertions): Use XCNEWVEC instead
4414 of XNEWVEC and memset.
4415 (vrp_initialize): Same.
4416 (vrp_finalize): Same.
4417 * tree-ssa-ccp.c (ccp_initialize): Same.
4418 * predict.c (tree_bb_level_predictions): Same.
4419 * calls.c (expand_call): Same.
4420 * tree-ssa-copy.c (init_copy_prop): Same.
4421 (fini_copy_prop): Same.
4422 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
4423 of GGC_NEW and memset.
4425 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
4428 * gimplify.c (gimplify_expr): Only force a load for references to
4429 non-BLKmode volatile values.
4430 * doc/implement-c.texi (Qualifiers implementation): Document the
4431 interpretation of what a volatile access is.
4432 * doc/extend.texi (C++ Extensions): Rework same documentation.
4434 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4436 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4439 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4441 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4443 (arm_neg_abssi2): Renamed from neg_abssi2.
4444 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4446 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4448 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4449 number of arguments passed to local functions in SSE registers is 3.
4451 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4452 number of arguments passed in SSE registers to 3.
4454 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4457 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4459 (get_last_bb_insn): ... new global function.
4460 (basic_block.h): Declare it.
4461 * haifa-sched.c (create_recovery_block): Use it.
4463 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4466 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4468 2006-11-15 Paul Brook <paul@codesourcery.com>
4470 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4471 _Unwind_GetTextRelBase): Move from here ...
4472 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4473 _Unwind_GetTextRelBase): ... To here.
4475 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4477 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4478 addresses we generate for testing are aligned.
4480 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4483 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4484 to what is the const decl is a place holder for.
4486 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4488 * config/i386/i386.opt: New target option -mx87regparm.
4490 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4491 and float_in_x87 variables. mmx_words, sse_words: Remove.
4492 (X87_REGPARM_MAX): Define.
4494 * config/i386/i386.c (override_options): Error out for
4495 -mx87regparm but no 80387 support.
4496 (ix86_attribute_table): Add x87regparm.
4497 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4498 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4499 (ix86_function_x87regparm): New function.
4500 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4502 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4504 (function_arg_advance): Process x87_nregs and x87_regno when
4505 floating point argument is to be passed in 80387 register.
4506 (function_arg): Pass XFmode arguments in 80387 registers for local
4507 functions. Pass SFmode and DFmode arguments to local functions
4508 in 80387 registers when flag_unsafe_math_optimizations is set.
4510 * reg-stack.c (convert_regs_entry): Disable NaN load for
4511 stack registers that are used for argument passing.
4513 * doc/extend.texi: Document x87regparm function attribute.
4514 * doc/invoke.texi: Document -mx87regparm.
4516 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4518 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4519 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4520 arg MODE; all callers changed. Use it to determine validity per
4521 machine mode instead of using Pmode for all memory references.
4522 (get_address_cost): Likewise add and use new arg MEM_MODE.
4524 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4525 J"orn Rennecke <joern.rennecke@st.com>
4527 * combine.c (likely_spilled_retval_1): Fix masking operation.
4528 (likely_spilled_retval_p): Use proper pattern for call to
4529 likely_spilled_retval_1.
4531 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4533 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4535 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4536 that tests for CONSTANT_POOL_ADDRESS_P.
4538 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4540 PR tree-optimization/29581
4541 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4542 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4543 type is different between Y and USE, create a temporary
4544 variable, initialize it at the beginning of the body bb
4545 and use it as replacement instead of Y.
4547 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4550 * gimplify.c (fold_indirect_ref_rhs): Use
4551 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4553 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4555 * expmed.c (emit_store_flag_1): New function.
4556 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4558 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4559 Use do_compare_rtx_and_jump.
4560 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4561 * arm.md (cstoresi4): New define_expand.
4562 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4563 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4564 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4566 2006-11-14 Caroline Tice <ctice@apple.com>
4568 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4569 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4571 (pubname_table): Redefine as a vector.
4572 (pubtype_table): New static global variable, defined as a vector.
4573 (pubname_table_allocated): Remove static global variable.
4574 (pubname_table_in_use): Remove static global variable.
4575 (PUBNAME_TABLE_INCREMENT): Remove constant.
4576 (size_of_pubnames): Add parameter to deal with either pubnames or
4577 pubtypes, and change code to deal with table being a vector.
4578 (add_pubname): Change to deal with table being a vector.
4579 (add_pubtype): New function.
4580 (output_pubnames): Add parameter to deal with either pubnames or
4581 pubtypes, and change code to deal with table being a vector.
4582 (gen_array_type_die): Add call to add_pubtype.
4583 (gen_enumeration_type_die): Add call to add_pubtype.
4584 (gen_struct_or_union_type_die): Add call to add_pubtype.
4585 (gen_subroutine_type_die): Add call to add_pubtype.
4586 (gen_typedef_die): Add call to add_pubtype.
4587 (dwarf2out_init): Add code to initialize pubname_table and
4588 pubtype_table vectors; also initialize debug_pubtypes_section.
4589 (prune_unused_types): Change to deal with pubnames being a vector.
4590 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4591 pubnames table to call to output_pubnames; Add code to output pubtypes
4592 table if DEBUG_PUBTYPES_SECTION is defined.
4593 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4595 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4597 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4599 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4600 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4601 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4602 movv2si_internal): Support moves between core registers.
4604 2006-11-14 Eric Christopher <echristo@apple.com>
4606 * configure: Regenerate with autoconf 2.59.
4608 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4610 Fix PR tree-optimization/27755
4612 * tree-ssa-pre.c: Update comments.
4613 (bb_bitmap_sets): Add pa_in and deferred member.
4614 (BB_DEFERRED): New macro.
4615 (maximal_set): New variable.
4616 (pre_stats): Add pa_insert member.
4617 (bitmap_set_and): Short circuit orig == dest.
4618 (bitmap_set_subtract_values): New function.
4619 (bitmap_set_contains_expr): Ditto.
4620 (translate_vuses_through_block): Add phiblock argument.
4621 (dependent_clean): New function.
4622 (compute_antic_aux): Update for maximal_set changes.
4623 (compute_partial_antic_aux): New function.
4624 (compute_antic): Handle partial anticipation.
4625 (do_partial_partial_insertion): New function.
4626 (insert_aux): Handle partial anticipation.
4627 (add_to_sets): Add to maximal set.
4628 (compute_avail): Ditto.
4629 (init_pre): Initialize maximal_set.
4630 (execute_pre): Do partial anticipation if -O3+.
4632 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4634 PR rtl-optimization/29798
4636 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4637 TARGET_INSN before any other check.
4638 (fwprop_init): Always calculate dominators.
4639 (fwprop_done): Always free them.
4641 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4643 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
4646 2006-11-13 DJ Delorie <dj@redhat.com>
4648 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
4649 temporary for intermediates.
4651 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
4653 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
4654 (sh_optimize_target_register_callee_saved): #if 0 the code
4655 using NOTE_INSN_LOOP_{BEG,END}.
4657 2006-11-13 Roger Sayle <roger@eyesopen.com>
4659 * fold-const.c (optimize_bit_field_compare): Recursively call
4660 fold when simplifying non-constant comparisons between bit-fields.
4662 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4664 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
4666 * configure: Rebuilt.
4668 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
4670 * config/rs6000/cell.md: New file.
4671 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
4673 (ppccell_cost): New cost matrix.
4674 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
4675 (rs6000_override_options): Set rs6000_always_hint to false
4676 for cell. Also align functions/lables/loops to 8byte
4677 for the Cell. Use PROCESSOR_CELL.
4678 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
4679 using_mtcr_multiple.
4680 (rs6000_variable_issue): If the insn is a nonpipelined instruction
4681 on the Cell, return 0.
4682 (rs6000_adjust_cost): Add Cell cost adjustments.
4683 (is_microcoded_insn): Return true for Cell microcoded
4685 (is_nonpipeline_insn): New function.
4686 (rs6000_issue_rate): Add PROCESSOR_CELL.
4687 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
4689 (rs6000_use_sched_lookahead_guard): New function.
4690 (rs6000_sched_reorder): Reorder the ready list, if the second
4691 to last ready insn is a nonepipeline insn on the Cell.
4692 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
4693 (ASM_CPU_SPEC): Add Cell.
4694 * config/rs6000/rs6000.md (cpu): Add Cell.
4695 (cell_micro): New Attr.
4698 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4700 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
4702 * configure: Rebuilt.
4704 2006-11-13 Richard Guenther <rguenther@suse.de>
4706 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
4708 (ix86_expand_lfloorceil): Likewise.
4709 (ix86_expand_rint): Likewise.
4710 (ix86_expand_floorceildf_32): Likewise.
4711 (ix86_expand_floorceil): Likewise.
4712 (ix86_expand_rounddf_32): Likewise.
4713 (ix86_expand_truncdf_32): Likewise.
4714 (ix86_expand_round): Likewise.
4716 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
4717 Mark Mitchell <mark@codesourcery.com>
4719 * gcc.c: Organize search path variables into $prefix relative,
4720 and well-known native. Add comments.
4721 (add_sysrooted_prefix): Add comment.
4722 (process_command): If !gcc_exec_prefix add $prefix based paths.
4723 If *cross_compile == '0', add native well-known paths.
4724 Assert tooldir_base_prefix is always relative.
4725 (main): If print_search_dirs, and if gcc_exec_prefix is set,
4726 use this value for 'install:' path.
4727 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
4729 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4731 * config/i386/i386.c: Fix a typo in comment.
4733 2006-11-13 Michael Matz <matz@suse.de>
4735 * genemit.c (gen_expand): Allocate enough memory.
4737 2006-11-13 Joseph Myers <joseph@codesourcery.com>
4739 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
4740 __GXX_TYPEINFO_EQUALITY_INLINE but not
4741 __GXX_MERGED_TYPEINFO_NAMES.
4742 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
4743 __GXX_MERGED_TYPEINFO_NAMES.
4744 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
4745 __GXX_TYPEINFO_EQUALITY_INLINE.
4747 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4748 Zdenek Dvorak <dvorakz@suse.cz>
4750 PR tree-optimization/29680
4751 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
4754 2006-11-12 Jason Merrill <jason@redhat.com>
4755 Andrew Pinski <pinskia@physics.uc.edu>
4758 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
4760 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
4762 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
4763 * tree.c (build_vector): Handle non-_CST elements.
4765 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4767 * genemit.c (gen_insn): Call gen_exp with a non-null used
4768 when handling multiple insns.
4769 (gen_expand): Likewise.
4770 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4771 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
4772 (movsi_const_16bit+1): Copy operands[1].
4773 (call_pcrel): Copy the call_site pattern.
4774 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
4776 2006-11-12 Roger Sayle <roger@eyesopen.com>
4778 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
4779 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
4780 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
4781 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
4783 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
4785 Fix PR tree-optimization/29587
4786 * tree-ssa-structalias.c (process_constraint): Don't
4787 mark address taken due only to escaped vars constraint.
4789 2006-11-12 Michael Matz <matz@suse.de>
4790 Roger Sayle <roger@eyesopen.com>
4792 PR rtl-optimization/29797
4793 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
4794 BITS_BIG_ENDIAN targets.
4796 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4798 * builtins.c (fold_builtin_cosh): New.
4799 (fold_builtin_1): Use it.
4800 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
4801 trunc to the list of "odd" functions. Also add llrint, lrint,
4802 rint and nearbyint when flag_rounding_math is false.
4804 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4806 * tree-flow.h (name_mappings_registered_p): Declare.
4807 * tree-into-ssa.c (name_mappings_registered_p): New function.
4808 * tree-cfg.c (tree_can_merge_blocks_p): Check
4809 name_mappings_registered_p instead of need_ssa_update_p.
4811 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4813 * tree-ssa-loop.c (tree_vectorize): Return the result of
4815 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
4816 if anything changed.
4817 * tree-vectorizer.h (vectorize_loops): Declaration removed.
4818 * tree-flow.h (vectorize_loops): Declaration changed.
4820 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4822 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
4824 (issue_prefetch_ref): Move assignment to write_p out of loop.
4825 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
4826 SIMULTANEOUS_PREFETCHES into account.
4827 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
4828 * lambda-code.c (lcm): Renamed to ...
4829 (least_common_multiple): ... and exported.
4830 * tree-flow.h (least_common_multiple): Declare.
4832 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4834 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
4835 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
4836 ud-chains. Handle AND_EXPR.
4837 (record_estimate): Record whether the estimate is realistic
4838 and whether it is derived from a loop exit.
4839 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
4840 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
4842 (compute_estimated_nb_iterations): Take only realistic bounds into
4843 account. Set estimate_state. Use double_ints.
4844 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
4845 and infer_loop_bounds_from_signedness. Do not consider basic blocks
4846 that do not have to be always executed.
4847 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
4848 to determine whether to call infer_loop_bounds_from_undefined
4849 and compute_estimated_nb_iterations.
4850 (n_of_executions_at_most): Use double_ints.
4851 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
4852 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
4853 * double-int.c (double_int_to_tree): Improve comment.
4854 (double_int_fits_to_tree_p): New function.
4855 * double-int.h (double_int_fits_to_tree_p): Declare.
4856 * tree-data-ref.c: Include langhooks.h.
4857 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
4858 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
4859 (analyze_array): Do not pass estimate_only argument to
4860 analyze_array_indexes.
4861 (get_number_of_iters_for_loop): Build tree from the stored double_int
4863 (get_references_in_stmt, find_data_references_in_stmt): New functions.
4864 (find_data_references_in_loop): Use find_data_references_in_stmt.
4865 * tree-data-ref.h (struct data_ref_loc_d): New.
4866 (get_references_in_stmt): Declare.
4867 (estimate_iters_using_array): Declaration removed.
4868 * cfgloop.h (struct nb_iter_bound): Change type of bound to
4869 double_int. Improve comments. Add is_exit and realistic
4871 (struct loop): Changed type of estimated_nb_iterations to double_int.
4872 Added estimate_state field.
4873 (record_estimate): Declaration removed.
4875 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4877 * params.c (set_param_value): Initialize the "set" field.
4878 * params.h (struct param_info): Add "set" field.
4879 (PARAM_SET_P): New macro.
4880 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
4881 L1_CACHE_LINE_SIZE): New macros.
4882 * toplev.c (DEFPARAM): Initialize the "set" field.
4883 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
4884 SIMULTANEOUS_PREFETCHES): Removed.
4885 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
4886 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
4887 * config/sparc/sparc.c: Include params.h.
4888 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
4889 L1_CACHE_LINE_SIZE parameters.
4890 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4892 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4894 * config/i386/i386.c: Include params.h.
4895 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
4896 (override_options): Set SIMULTANEOUS_PREFETCHES and
4897 L1_CACHE_LINE_SIZE parameters.
4898 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
4899 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
4900 L1_CACHE_LINE_SIZE parameters.
4901 * config/ia64/ia64.c (ia64_optimization_options): Set
4902 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
4903 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
4905 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
4906 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
4907 * doc/invoke.texi: Document new params.
4909 2006-11-12 Roger Sayle <roger@eyesopen.com>
4911 PR tree-optimization/13827
4912 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
4915 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4917 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
4918 update_single_exit_for_duplicated_loops): New functions.
4919 (duplicate_loop_to_header_edge): Use
4920 update_single_exit_for_duplicated_loops.
4921 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
4922 functions only with ENABLE_CHECKING.
4924 2006-11-12 Andreas Schwab <schwab@suse.de>
4926 * except.c (sjlj_emit_function_enter): Remove unused variable.
4928 2006-11-11 Roger Sayle <roger@eyesopen.com>
4930 * fold-const.c (int_binop_types_match_p): New function.
4931 (size_binop): Relax constraint that both arguments must both have
4932 exactly the same sizetype type. Instead use int_binop_types_match_p.
4933 (size_diffop): Likewise.
4935 (make_range): Use build_int_cst instead of fold_convert.
4936 (fold_cond_expr_with_comparison): Use build_int_cst to construct
4937 integer constants of the correct type.
4938 (fold_div_compare): Likewise.
4939 (fold_single_bit_test): Likewise.
4940 (fold_binary): Likewise.
4941 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
4942 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
4944 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4947 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
4948 non null value if the struct memory access is in the 0th
4951 2006-11-12 Jie Zhang <jie.zhang@analog.com>
4954 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4955 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4958 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
4959 instead of builtin_define for bfin and BFIN.
4961 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4963 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
4966 2006-11-11 Jan Hubicka <jh@suse.cz>
4968 * extend.texi (__builtin_expect): We no longer require second argument
4970 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
4971 * builtins.c (expand_builtin_expect): Simplify.
4972 (expand_builtin_expect_jump): Kill.
4973 * final.c (final_scan_insn): Do not skip the removed notes.
4974 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
4975 EXPECTED_VALUE): Remove.
4976 * dojump.c (do_jump): Do not care about __builtin_expect.
4977 * predict.c (expected_value_to_br_prob): Kill.
4978 * function.c (expand_function_end): Do not expand
4979 NOTE_INSN_REPEATED_LINE_NUMBER.
4980 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
4981 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
4982 * cfgexpand.c (add_reg_br_prob_note): Export.
4983 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4984 expected_value_to_br_prob.
4985 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
4986 * rtl.h (add_reg_br_prob_note): Declare.
4988 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4990 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
4992 2006-11-11 Jan Hubicka <jh@suse.cz>
4994 * predict.c (predict_loops): Kill RTL variant.
4996 2006-11-11 Jan Hubicka <jh@suse.cz>
4998 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
4999 * modulo-sched.c (find_line_note): Remove.
5000 (loop_canon_p): Do not worry about line number notes.
5001 (sms_schedule): Likewise.
5002 * cse.c (cse_main): Likewise.
5003 * regmove.c (fixup_match_1): Likewise
5004 * function.c (emit_return_info_block): Likewise.
5005 (expand_function_end): Likewise.
5006 (thread_prologue_an_epilogue_insns): Likewise.
5007 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
5009 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
5010 emit_note_copy_after): Kill.
5011 (emit_note_copy): Do not worry about line numbers.
5012 * jump.c (purge_line_number_notes): Kill.
5013 (pass_purge_lineno_notes): Kill.
5014 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
5016 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
5017 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
5018 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
5019 * tree-pass.h (pass_purge_lineno_notes): Kill.
5020 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
5021 rm_redundant_line_notes.
5022 * sched-rgb.c (schedule_region): Don't rm_line_notes,
5023 rm_redundant_line_notes.
5024 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
5025 * haifa-sched.c: Update comment about handling notes.
5026 (unlink_line_notes): Kill.
5027 (rm_line_notes): Kill.
5028 (save_line_notes): Simplify.
5029 (rm_redundant_line_notes): Kill.
5031 2006-11-11 Richard Guenther <rguenther@suse.de>
5033 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
5034 Remove unused tree codes.
5035 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
5036 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
5037 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5038 * tree.c (stabilize_reference): Likewise.
5039 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
5040 fold_unary): Likewise.
5041 * tree-gimple.c (is_gimple_cast): Likewise.
5042 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
5043 * expr.c (expand_expr_real_1): Likewise.
5044 * tree-eh.c (tree_could_trap_p): Likewise.
5045 * gimplify.c (gimplify_expr): Likewise.
5046 * tree-inline.c (estimate_num_insns_1): Likewise.
5047 * tree-cfg.c (verify_expr): Likewise.
5049 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
5051 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
5052 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
5053 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
5055 2006-11-11 Richard Sandiford <richard@codesourcery.com>
5058 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
5059 constraints accept neither registers or memories.
5061 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5063 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
5064 (NO_PROFILE_COUNTERS): Define as 1.
5066 2006-11-10 Roger Sayle <roger@eyesopen.com>
5068 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
5069 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
5071 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
5073 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
5075 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5077 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
5078 (fold_builtin_hypot): Likewise.
5079 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
5081 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
5083 2006-11-10 Roger Sayle <roger@eyesopen.com>
5085 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
5086 when attempting to build INTEGER_CSTs of non-integral types.
5087 * expmed.c (make_tree): Use the correct type, i.e. the inner
5088 type, when constructing the individual elements of a CONST_VECTOR.
5090 2006-11-10 Jan Hubicka <jh@suse.cz>
5092 * cse.c (cse_process_notes): Copy the propagated value.
5093 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
5095 * gcse.c (try_replace_reg): Copy the replacement.
5096 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
5097 (assign_386_stack_local): Always return copied memory expression
5098 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
5101 2006-11-10 Jan Hubicka <jh@suse.cz>
5103 * final.c (final): Walk from first instruction.
5104 * cfglayout.c (insn_locators_initialize): Remove line number notes.
5106 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
5109 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
5111 (umulv8hi3_highpart): Ditto.
5112 (vec_widen_smult_hi_v8hi): New expander.
5113 (vec_widen_smult_lo_v8hi): Ditto.
5115 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5118 * builtins.c (do_mpfr_arg3): New.
5119 (fold_builtin_1): Handle builtins fma, fmin and fmax.
5121 2006-11-09 Eric Christopher <echristo@apple.com>
5126 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
5127 * config.gcc (powerpc64-*-darwin*): New target.
5128 * config.host: Ditto.
5129 * config/rs6000/darwin64.h: New file.
5130 * config/rs6000/x-darwin64: Ditto.
5131 * config/rs6000/host-ppc64-darwin.c: Ditto.
5133 2006-11-09 Steve Ellcey <sje@cup.hp.com>
5135 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
5136 routines for integer division.
5138 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
5140 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
5142 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5145 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
5147 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
5149 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
5150 simplify_subreg with BLKmode outer mode.
5152 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
5154 * doc/invoke.texi: Minor formatting fixes in option lists.
5156 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
5158 PR tree-optimization/29738
5159 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5160 (ccp_lattice_t): Remove UNKNOWN_VAL.
5161 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5162 Do not handle UNKNOWN_VAL.
5163 (get_default_value): Set initial value of virtual operands to
5165 (get_value): Always use get_default_value on uninitialized
5167 (set_value_varying, surely_varying_stmt_p): New functions.
5168 (set_lattice_value): Do not pass argument to get_value.
5169 Do not handle UNKNOWN_VAL.
5170 (likely_value): Follow the semantics described in the comment.
5171 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
5172 phi nodes DONT_SIMULATE_AGAIN.
5173 (ccp_fold): Do not pass argument to get_value.
5174 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
5177 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
5179 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5180 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5182 2006-11-08 Roger Sayle <roger@eyesopen.com>
5184 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5185 test for inclusion rather than as a test for exclusion.
5186 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
5187 the condition after calling fold_binary.
5188 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5189 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
5190 * builtins.c (fold_builtin_isascii): Likewise.
5191 (fold_builtin_isdigit): Likewise.
5193 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
5195 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5196 * configure: Regenerate.
5198 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5200 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5201 enum argument instead of bool.
5202 (vect_analyze_operations): Call vectorizable_type_promotion.
5203 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5204 stmt_vec_info_type value.
5205 (supportable_widening_operation, vectorizable_type_promotion): New
5206 function declarations.
5207 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5208 (vectorizable_type_promotion): New function.
5209 (vect_transform_stmt): Call vectorizable_type_promotion.
5210 * tree-vect-analyze.c (supportable_widening_operation): New function.
5211 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5213 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5216 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5217 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5218 * tree-inline.c (estimate_num_insns_1): Add cases for above new
5220 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5221 * expr.c (expand_expr_real_1): Likewise.
5222 * optabs.c (optab_for_tree_code): Likewise.
5223 (init_optabs): Initialize new optabs.
5224 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5225 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5226 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5227 vec_unpacku_lo_optab): Initialize new optabs.
5228 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5229 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5230 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5232 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5233 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5234 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5235 (vec_unpacku_lo_optab): New optabs.
5236 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5237 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5238 (vec_widen_smult_hi, vec_widen_smult_lo): New.
5239 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5240 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5241 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5243 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5244 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5245 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5246 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5247 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5248 implement the unsigned unpacking patterns.
5249 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5250 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5251 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5252 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5253 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5254 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5255 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5256 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5257 multiplication patterns.
5259 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5260 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5261 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5262 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5263 (rs6000_builtin_mul_widen_odd): New.
5264 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5265 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5266 * tree-vectorizer.h (enum vect_relevant): New enum type.
5267 (_stmt_vec_info): Field relevant chaned from bool to enum
5269 (STMT_VINFO_RELEVANT_P): Updated.
5270 (STMT_VINFO_RELEVANT): New.
5271 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5272 instead of STMT_VINFO_RELEVANT_P.
5273 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5274 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5275 and boolean variable with enum vect_relevant.
5276 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5277 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5278 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5280 2006-11-08 Richard Henderson <rth@redhat.com>
5282 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
5283 vec_widen_umult_lo_v8hi): New.
5284 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
5285 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
5287 * config/i386/i386.c (ix86_expand_sse_unpack): New.
5288 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
5289 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
5290 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
5291 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
5292 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
5293 vec_unpacks_lo_v4si): New.
5295 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5297 * tree-vect-transform.c (vectorizable_type_demotion): New function.
5298 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
5299 (vect_analyze_operations): Call vectorizable_type_demotion.
5300 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
5301 stmt_vec_info_type value.
5302 (vectorizable_type_demotion): New function declaration.
5303 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5306 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
5307 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
5309 * tree-iniline.c (estimate_num_insns_1): Likewise.
5310 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5311 * optabs.c (optab_for_tree_code): Likewise.
5313 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
5314 compared against the predicate of the result is not 'mode' (the input
5315 to the function) but a mode with half the size of 'mode'.
5316 (init_optab): Initialize new optabs.
5317 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
5319 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
5321 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
5322 (vec_pack_usat_optab): Initialize new optabs.
5323 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
5324 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
5326 2006-11-08 Richard Henderson <rth@redehat.com>
5328 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
5329 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
5330 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
5331 (vec_interleave_highv4si, vec_interleave_lowv4si):
5332 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
5334 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5336 * tree-vect-transform.c (vectorizable_reduction): Support multiple
5338 (vect_transform_stmt): Removed redundant code.
5340 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5342 * tree-vect-transform.c (vectorizable_operation): Support multiple
5345 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5347 * tree-vect-transform.c (vect_align_data_ref): Removed.
5348 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
5349 Updated function documentation. Return the increment stmt in ptr_incr.
5350 (bump_vector_ptr): New function.
5351 (vect_get_vec_def_for_stmt_copy): New function.
5352 (vect_finish_stmt_generation): Create a stmt_info to newly created
5354 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
5356 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
5357 VF is greater than the number of elements that can fit in one vector
5359 (vectorizable_operation, vectorizable_condition): Likewise.
5360 (vectorizable_store, vectorizable_load): Support the case that the VF
5361 is greater than the number of elements that can fit in one vector word.
5362 (vect_transform_loop): Don't fail in case of multiple data-types.
5363 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
5364 in case of multiple data-types; the smallest type determines the VF.
5365 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
5366 if they are of different sizes.
5367 (vect_update_misalignment_for_peel): Compare misalignments in terms of
5368 number of elements rather than number of bytes.
5369 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
5370 (vect_can_advance_ivs_p): Fix a dump printout
5372 2006-11-07 Eric Christopher <echristo@apple.com>
5374 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
5375 (__bswapsi2): Ditto.
5376 * libgcc2.h: Remove transformation of bswap routines.
5377 * config/i386/i386.md (bswapsi2): New.
5380 2006-11-07 Jakub Jelinek <jakub@redhat.com>
5382 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
5383 (handle_gnu_inline_attribute): New function.
5384 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
5385 (merge_decls, start_decl, start_function): Likewise.
5386 * doc/extend.texi: Document gnu_inline attribute.
5388 2006-11-07 Steve Ellcey <sje@cup.hp.com>
5391 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
5392 _fixunstfdi, and _floatditf
5394 2006-11-06 Anatoly Sokolov <aesok@post.ru>
5396 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
5398 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
5399 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
5400 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
5401 which start in an odd register.
5403 2006-11-07 Richard Sandiford <richard@codesourcery.com>
5405 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
5407 2006-11-07 Josh Conner <jconner@apple.com>
5409 * doc/invoke.texi (fstrict-aliasing): Move implementation
5411 * doc/tree-ssa.texi (Alias analysis): ...here.
5413 2006-11-07 Richard Guenther <rguenther@suse.de>
5415 PR tree-optimization/29610
5416 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
5417 of tree_purge_dead_eh_edges as it may free dominators.
5419 * g++.dg/other/pr29610.C: New testcase.
5421 2006-11-07 David Ung <davidu@mips.com>
5423 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
5424 costs when optimizing for size.
5425 (override_options): Use mips_rtx_cost_optimize_size table for cost
5428 2006-11-07 Jie Zhang <jie.zhang@analog.com>
5430 * gcc.c (process_command): Treat -b as normal switch if its argument
5433 2006-11-07 David Ung <davidu@mips.com>
5435 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5438 2006-11-06 Eric Christopher <echristo@apple.com>
5440 * config.gcc: Add x86_64-darwin host support.
5441 * config.host: Ditto.
5442 * config/i386/darwin64.h: New file.
5443 * config/i386/t-darwin64: Ditto.
5445 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5447 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5448 and output-exists-not.
5450 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5453 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5454 checking for overflow.
5456 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5458 * configure.ac: Fixed typo in case statement: :: changed to ;;
5460 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5462 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5463 count_leading_zeros, and count_trailing_zeros.
5464 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5465 (TARGET_FOLD_BUILTIN): Define.
5466 (TARGET_EXPAND_BUILTIN): Define.
5467 (xtensa_init_builtins): New.
5468 (xtensa_fold_builtin): New.
5469 (xtensa_expand_builtin): New.
5470 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5471 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5472 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5473 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5474 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5475 (any_extend): New code macro.
5476 (u, su): New code attributes.
5477 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5478 (nsau): Remove; replaced by clzsi2.
5479 (ffssi2): Use clzsi2.
5480 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5481 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5482 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5483 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5484 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5486 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5488 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5490 * config/arm/t-strongarm-elf: Likewise.
5491 * config/arm/t-pe: Likewise.
5492 * config/arm/t-arm-elf: Likewise.
5493 * config/arm/t-xscale-elf: Likewise.
5494 * config/arm/t-arm-coff: Likewise.
5495 * config/arm/t-xscale-coff: Likewise.
5496 * config/arm/t-wince-pe: Likewise.
5498 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5500 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5503 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5506 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5509 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5512 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5513 as a valid 80387 constant.
5514 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5515 * config/i386/i386.md (unnamed splitter): Split the load of
5516 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5519 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5521 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5522 from the soft-frame, argument and virtual registers.
5524 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5526 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5527 patterns for standard 80387 constants.
5529 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5530 Steven Bosscher <steven@gcc.gnu.org>
5532 * fwprop.c: New file.
5533 * Makefile.in: Add fwprop.o.
5534 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5535 * passes.c (init_optimization_passes): Schedule forward propagation.
5536 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5538 * timevar.def (TV_FWPROP): New.
5539 * common.opt (-fforward-propagate): New.
5540 * opts.c (decode_options): Enable forward propagation at -O2.
5541 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5542 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5543 canon_for_address, table_size): Remove.
5544 (new_basic_block, insert, remove_from_table): Remove references to
5546 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5547 simplification loop more straightforward by not calling fold_rtx
5549 (equiv_constant): Move here a small part of fold_rtx_subreg,
5550 do not call fold_rtx. Call avoid_constant_pool_reference
5552 * recog.h (canonicalize_change_group): New.
5554 * doc/invoke.texi (Optimization Options): Document fwprop.
5555 * doc/passes.texi (RTL passes): Document fwprop.
5557 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5559 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5560 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5561 (grokdeclarator): Likewise.
5563 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5565 * tree-dump.c (dump_enable_all): Rename local variable
5566 ir_type to avoid name conflicts.
5567 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5568 instead of using ir_type().
5569 * profile.c (tree_register_profile_hooks): Likewise.
5570 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5571 * basic-block.h (struct edge_def): Likewise.
5572 * config/arm/arm.c (legitimize_pic_address): Likewise.
5573 * coretypes.h (ir_type): New enum of all intermediate languages
5575 * cfghooks.c (ir_type): Rename to...
5576 (current_ir_type): ...this. Distinguish between cfgrtl and
5577 cfglayout mode when the current IR is RTL. Return enum ir_type.
5578 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5580 2006-11-03 Paul Brook <paul@codesourcery.com>
5582 * config/arm/arm.c (arm_file_start): New function.
5583 (TARGET_ASM_FILE_START): Define.
5584 (arm_default_cpu): New variable.
5585 (arm_override_options): Set arm_default_cpu.
5587 2006-11-03 David Ung <davidu@mips.com>
5589 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5590 PROCESSOR_24KC and PROCESSOR_24KF.
5591 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5592 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5593 (mips_rtx_cost_data): Add costs for the 24kc.
5594 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5595 * config/mips/24k.md: Remove references to 24k and replace with
5596 uses of 24kc/24kf in the appropriate reservations.
5597 * doc/invoke.texi (MIPS Options): Updated.
5599 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5601 * config/sh/crt1.asm: Fix #ifdef indent.
5603 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5604 Merged from STMicroelectronics sources:
5605 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5606 * config/sh/crt1.asm (vbr_600): Add missing #if.
5607 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5608 * sh.opt (mfused-madd): New option.
5609 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5610 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5611 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5612 Remove pointless handler at VBR+0.
5613 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5614 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5615 fr7. Make sure the timer handler is called with the correct FPU
5616 precision setting, according to the ABI.
5617 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5618 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5619 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5620 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5621 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5622 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5623 zero as second operand.
5624 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5625 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5626 Fixed some bugs related to negative values, in particular -0
5627 and overflow at -0x80000000.
5628 * config/sh/divcost-analysis: Added sh4-300 figures.
5629 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5630 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5631 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5632 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5633 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5634 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5636 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5638 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5639 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5640 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5641 mac_mem, mem_mac, dfp_mul, fp_cmp.
5642 (insn_class, dfp_comp, any_fp_comp): Update.
5643 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
5644 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
5645 (muldf3_i): Likewise.
5646 (movsi_i): Split rI08 alternative into two separate alternatives.
5648 (movsi_ie, movsi_i_lowpart): Likewise.
5649 (movqi_i): Split ri alternative into two separate alternatives.
5651 * sh1.md (sh1_load_store, sh1_fp): Update.
5652 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
5653 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
5654 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
5655 (sh4a_fp_double_arith): Likewise.
5656 * sh4-300.md: New file.
5657 * sh.c (sh_handle_option): Handle m4-300* options.
5658 (sh_adjust_cost): Fix latency of auto-increments.
5659 Handle SH4-300 differently than other SH4s. Check for new insn types.
5660 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
5661 been set by an option.
5662 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
5663 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
5664 (mbranch-cost=): Likewise.
5665 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
5667 * sh.md (mulsf3): Remove special expansion code.
5668 (mulsf3_ie): Now a define_insn_and_split.
5669 (macsf3): Allow for TARGET_SH4.
5671 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
5672 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
5673 (expand_cbranchdi4): Likewise.
5674 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
5675 CONST_DOUBLE if the outer code is COMPARE.
5676 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
5677 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
5678 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
5679 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
5680 Remove redundant fp_{zero,one}_operand checks.
5681 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
5682 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
5683 (expand_cbranchdi4): Likewise.
5684 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
5685 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
5687 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5689 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
5692 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
5694 * doc/invoke.texi: Fix mfp-trap-mode typo.
5696 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
5698 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
5699 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
5700 file_end_indicate_exec_stack.
5701 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
5703 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
5704 for a non-executable stack.
5705 * crti.asm: Likewise.
5706 * crtn.asm: Likewise.
5707 * libunwind.S: Likewise.
5709 2006-11-02 Ben Elliston <bje@au.ibm.com>
5711 * tree-ssa.c (warn_uninit): Use expand_location variables for
5712 locus and declaration locus.
5714 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
5717 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
5718 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
5719 cmp{eq,gt,gtu}{si,di}_media.
5720 (*cmpne0si_media): Remove.
5721 (*movsicc_umin): Adjust gen_cmp*_media call.
5722 (unordered): Change the mode of unordered and operands[1] to
5724 (seq): Adjust gen_cmp*_media calls. Make the mode of
5725 a temporary result of compare SImode if needed. If the mode
5726 of operands[0] is DImode, extend the temporary result to DImode.
5727 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
5728 (sunorderd): Change the mode of match_operand and unorderd to
5730 (cmpeq{sf,df}_media): Remove.
5731 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
5732 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
5733 and compare operation to SImode.
5735 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
5737 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
5739 (sparc64-sun-solaris2*): Likewise.
5741 2006-11-02 Paul Brook <paul@codesourcery.com>
5743 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
5744 from priority argument. Use different section for non-default
5746 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
5748 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
5751 * except.c (switch_to_exception_section): Do not cache the section
5752 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5753 and flag_function_sections is set.
5755 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5758 * builtins.c (do_mpfr_sincos): New.
5759 (fold_builtin_1): Use it to fold builtin sincos.
5761 2006-11-01 Roger Sayle <roger@eyesopen.com>
5763 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
5764 it into -D_REENTRANT.
5766 2006-11-01 Roger Sayle <roger@eyesopen.com>
5768 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
5769 whether the assembler supports taking the difference of symbols in
5770 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
5771 * configure: Regenerate.
5772 * config.in: Regenerate.
5773 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
5774 the assembler doesn't support taking the difference of symbols in
5775 different sections, i.e. we're using the native solaris assembler.
5777 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
5778 Peter Bergner <bergner@vnet.ibm.com>
5780 * doc/invoke.texi: Add cpu_type power6x
5781 (RS/6000 and PowerPC Options): Add -mmfpgpr.
5782 * config.gcc: Add cpu_type power6x.
5783 * configure.ac: Add test for mf{t,f}gpr instructions.
5784 (HAVE_AS_MFPGPR): New.
5785 * config.in: Regenerate.
5786 * configure: Regenerate.
5787 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
5788 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
5789 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
5790 and mftgpr attributes.
5791 (define_attr "cpu"): Add power6.
5792 Change instruction sequences to use new attributes.
5793 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
5794 (fix_truncdfsi2_mfpgpr): New.
5795 (floatsidf_ppc64_mfpgpr): New.
5796 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
5797 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
5798 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
5799 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
5800 (fix_truncdfsi2): Use gpc_reg_operand constraint.
5801 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
5802 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
5803 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
5804 cntlz,exts and var_delayed_compare.
5805 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5806 _ARCH_PWR6X, if features enabled.
5807 * config/rs6000/rs6000.opt (mmfpgpr): New.
5808 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
5809 (cached_can_issue_more): New variable.
5810 (processor_costs): Add power6_cost.
5811 (rs6000_sched_init): New function.
5812 (is_dispatch_slot_restricted): Deleted.
5813 (set_to_load_agen): New function.
5814 (is_load_insn,is_store_insn): New functions.
5815 (adjacent_mem_locations): New function.
5816 (insn_must_be_first_in_group): New function.
5817 (insn_must_be_last_in_group): New function.
5818 (rs6000_sched_reorder): New function.
5819 (rs6000_sched_reorder2): New function.
5820 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
5821 TARGET_SCHED_REORDER2): Define.
5822 (processor_target_table): Use PROCESSOR_POWER6 for power6.
5823 Add power6x. Add MASK_MFPGPR for power6x.
5824 (POWERPC_MASKS): Add MASK_MFPGPR.
5825 (rs6000_override_options): Set rs6000_always_hint to false
5826 for power6. Set rs6000_align_branch_targets. Replace
5827 rs6000_sched_groups check with rs6000_align_branch_targets.
5828 Use PROCESSOR_POWER6.
5829 (last_scheduled_insn): New variable.
5830 (load_store_pendulum): New variable.
5831 (rs6000_variable_issue): Set last_scheduled_insn and
5832 cached_can_issue_more.
5833 (rs6000_adjust_cost): Add power6 cost adjustments.
5834 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
5835 with insn_must_be_first_in_group. Add power6 priority adjustments.
5836 (rs6000_issue_rate): Add CPU_POWER6.
5837 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
5838 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
5839 (TARGET_MFPGPR): New.
5840 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
5841 (ASM_CPU_SPEC): Add power6x.
5842 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
5844 * config/rs6000/power6.md: New file.
5846 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
5848 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5849 HOST_WIDE_INT_PRINT to print high and low parts. Use
5850 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
5851 printing a hexadecimal number prefix it with 0x.
5853 2006-11-01 Chris Johns <chris@contemporary.net.au>
5856 * Makefile.in (install-driver): Use exeext when installing
5857 $target-gcc-$version.
5859 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
5861 * c-common.c (flag_cpp0x): New.
5862 * c-common.h (flag_cpp0x): New.
5863 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
5864 supported, define __GXX_EXPERIMENTAL_CPP0X__.
5865 * c-opts.c (set_std_cxx0x): New.
5866 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
5867 * c.opt (std=c++0x): Document.
5868 (std=gnu++0x): Ditto.
5869 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
5870 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
5872 2006-11-01 Richard Guenther <rguenther@suse.de>
5874 * config/i386/i386.c (ix86_expand_rint): Fix issues with
5876 (ix86_expand_floorceildf_32): Likewise.
5877 (ix86_expand_floorceil): Likewise.
5878 (ix86_expand_trunc): Likewise.
5880 2006-10-31 Andrew Pinski <pinskia@gmail.com>
5882 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
5885 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
5887 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
5889 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
5891 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
5893 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
5894 * configure.ac (use_cxa_atexit): As a special case, don't test
5895 for libc definition of __cxa_atexit on mingw32
5896 * configure: Regenerate.
5897 * config.gcc (i[34567]86-pc-mingw32): Default to
5898 enable__cxa_atexit=yes.
5900 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5902 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
5904 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5907 * c-decl.c (start_struct): Don't create self-containing
5909 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
5911 * config/rs6000/rs6000-protos.h
5912 (darwin_rs6000_special_round_type_align): New.
5913 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
5914 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
5916 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5918 * toplev.c (compile_file): Call final_write_globals
5919 even if there have been errors.
5921 2006-10-31 Eric Christopher <echristo@apple.com>
5922 Falk Hueffner <falk@debian.org>
5924 * doc/extend.texi (__builtin_bswap32): Document.
5925 (__builtin_bswap64): Ditto.
5926 * doc/libgcc.texi (bswapsi2): Document.
5928 * doc/rtl.texi (bswap): Document.
5929 * optabs.c (expand_unop): Don't widen a bswap.
5930 (init_optabs): Init bswap. Set libfuncs explicitly
5931 for bswapsi2 and bswapdi2.
5932 * optabs.h (OTI_bswap): New.
5933 (bswap_optab): Ditto.
5934 * genopinit.c (optabs): Handle bswap_optab.
5935 * tree.h (tree_index): Add TI_UINT32_TYPE and
5937 (uint32_type_node): New.
5938 (uint64_type_node): Ditto.
5939 * tree.c (build_common_tree_nodes_2): Initialize
5940 uint32_type_node and uint64_type_node.
5941 * builtins.c (expand_builtin_bswap): New.
5942 (expand_builtin): Call.
5943 (fold_builtin_bswap): New.
5944 (fold_builtin_1): Call.
5945 * fold-const.c (tree_expr_nonnegative_p): Return true
5947 * builtin-types.def (BT_UINT32): New.
5949 (BT_FN_UINT32_UINT32): Ditto.
5950 (BT_FN_UINT64_UINT64): Ditto.
5951 * builtins.def (BUILT_IN_BSWAP32): New.
5952 (BUILT_IN_BSWAP64): Ditto.
5953 * rtl.def (BSWAP): New.
5954 * genattrtab.c (check_attr_value): New.
5955 * libgcc2.c (__bswapSI2): New.
5956 (__bswapDI2): Ditto.
5957 * libgcc2.h (__bswapSI2): Declare.
5958 (__bswapDI2): Ditto.
5959 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
5960 * simplify-rtx.c (simplify_const_unary_operation): Return
5962 * libgcc-std.ver (__bwapsi2): Add.
5963 (__bswapdi2): Ditto.
5964 * reload1.c (eliminate_regs_1): Add bswap.
5965 (elimination_effects): Ditto.
5966 * config/i386/i386.h (x86_bswap): New.
5967 (TARGET_BSWAP): Use.
5968 * config/i386/i386.c (x86_bswap): Set.
5970 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5972 * coverage.c (coverage_checksum_string): Update comment.
5973 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
5974 of get_file_function_name.
5975 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
5976 of get_file_function_name_long.
5977 * tree.c (get_file_function_name): Rename from
5978 get_file_function_name_long; improve comment; handle 'I' and 'D'
5979 specially when the target has ctor/dtor support; remove special
5981 (get_file_function_name): Remove.
5982 * tree.h (get_file_function_name): Rename from
5983 get_file_function_name_long.
5984 (get_file_function_name): Remove prototype.
5986 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5988 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
5989 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
5991 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
5992 Call dsymutil when compiling and linking one or more source files
5995 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5998 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
6000 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6002 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
6003 inline static functions in c99 mode.
6006 * doc/extend.texi (Inline): Update.
6007 * c-tree.h (struct language_function): Remove field 'extern_inline'.
6008 * c-decl.c (current_extern_inline): Delete.
6009 (pop_scope): Adjust test for an undefined nested function.
6010 Add warning about undeclared inline function.
6011 (diagnose_mismatched_decls): Update comments. Disallow overriding
6012 of inline functions in a translation unit in C99. Allow inline
6013 declarations in C99 at any time.
6014 (merge_decls): Boolize variables. Handle C99 'extern inline'
6016 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
6017 C99 inline semantics.
6018 (start_function): Don't clear current_extern_inline. Don't set
6020 (c_push_function_context): Don't push current_extern_inline.
6021 (c_pop_function_context): Don't restore current_extern_inline.
6024 * c-typeck.c (build_external_ref): Warn about static variables
6025 used in extern inline functions.
6026 * c-decl.c (start_decl): Warn about static variables declared
6027 in extern inline functions.
6029 2006-10-31 Roger Sayle <roger@eyesopen.com>
6032 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
6033 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
6034 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
6035 or y is an even integer.
6037 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
6040 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
6041 * gthr-posix95.h (__gthread_active_p): Likewise.
6043 2006-10-31 Richard Guenther <rguenther@suse.de>
6045 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
6046 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
6047 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
6048 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
6049 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
6050 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
6051 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
6052 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
6055 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
6057 * opts.c (decode_options): Disable CSE skip blocks.
6059 2006-10-30 Dirk Mueller <dmueller@suse.de>
6061 * c-common.h (strict_aliasing_warning): Fix whitespace.
6062 * c-decl (start_function): Move code for main decl warning ..
6063 * c-common.c (check_main_parameter_types): .. here.
6064 * c-common.h (check_main_parameter_types): Declare.
6066 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6069 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
6071 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
6073 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
6074 be a PARALLEL containing sets. Return false when out_pat is not
6077 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6079 * config/mips/mips.md (mul<mode>3): Split into...
6080 (mulsi3, muldi3): ...these separate patterns.
6082 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6084 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
6085 but with each set of options separated by spaces.
6087 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
6089 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
6090 dwarf_reg_size_table has been initialized.
6092 2006-10-30 Roger Sayle <roger@eyesopen.com>
6094 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
6095 * ddg.c (print_ddg_edge): Likewise.
6096 * dwarf2out.c (prune_unused_types_walk): Likewise.
6097 * ifcvt.c (noce_try_cmove_arith): Likewise.
6098 * langhooks.c (add_builtin_function): Likewise.
6099 * reg-stack.c (subst_stack_regs_pat): Likewise.
6100 * tree.c (expanded_location): Likewise.
6101 * tree-dump.c (dequeue_and_dump): Likewise.
6103 2006-10-30 David Daney <ddaney@avtrex.com>
6105 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
6107 2006-10-30 Jakub Jelinek <jakub@redhat.com>
6109 PR tree-optimization/29637
6110 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
6111 of the innertype is the innertype itself.
6113 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
6115 * dwarf2out.c (file_name_acquire): Correct typo.
6117 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
6119 * tree.h (tree_value_handle): Remove struct value_set declaration.
6120 Change value_set to bitmap_set.
6121 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
6122 * tree-vn.c (get_value_handle): Made inline and moved to
6124 * tree-flow-inline.h: (has_stmt_ann): New function.
6125 * tree-ssa-pre.c (expressions): New variable.
6126 (next_expression_id): Ditto.
6127 (alloc_expression_id): New function.
6128 (struct value_set): Remove.
6129 (get_expression_id): New function.
6130 (get_or_alloc_expression_id): Ditto.
6131 (expression_for_id): Ditto.
6132 (clear_expression_ids): Ditto.
6133 (FOR_EACH_EXPR_ID_IN_SET): New macro.
6134 (bb_value_sets): Renamed to bb_bitmap_sets.
6135 All value sets replaced with bitmap_sets.
6137 (BB_VISITED): New macro.
6138 (postorder): New variable.
6139 (add_to_value): Removed.
6140 (value_exists_in_set_bitmap): Ditto.
6141 (value_insert_into_set_bitmap): Ditto.
6144 (set_remove): Ditto.
6145 (set_contains_value): Ditto.
6146 (insert_into_set): Ditto.
6148 (find_leader): Ditto.
6149 (bitmap_set_subtract_from_value_set): Ditto.
6150 (value_insert_into_set): Ditto.
6151 (print_value_set): Ditto.
6152 (debug_value_set): Ditto.
6153 (constant_expr_p): New function.
6154 (bitmap_remove_from_set): Ditto.
6155 (bitmap_insert_into_set): Ditto.
6156 (bitmap_set_free): Ditto.
6157 (vh_compare): Ditto.
6158 (sorted_array_from_bitmap_set): Ditto.
6159 (bitmap_set_subtract): Ditto.
6160 (bitmap_set_equal): Ditto.
6161 (debug_bitmap_set): Ditto.
6162 (find_leader_in_sets): Ditto.
6163 (bitmap_set_replace_value): Modify for bitmapped sets.
6164 (phi_translate): Ditto.
6165 (phi_translate_set): Ditto.
6166 (bitmap_find_leader): Ditto.
6167 (valid_in_sets): Ditto.
6168 (union_contains_value): Ditto.
6170 (compute_antic_aux): Ditto. Mark changed blocks.
6171 (compute_antic): Ditto. Iterate in postorder and only over
6173 (compute_rvuse_and_antic_safe): Reuse postorder.
6174 (create_component_ref_by_pieces): Modify for bitmapped sets.
6175 (find_or_generate_expression): Ditto.
6176 (create_expression_by_pieces): Ditto.
6177 (insert_into_preds_of_block): Ditto.
6178 (changed_blocks): New variable.
6179 (do_regular_insertion): Broken out from insert_aux.
6180 (insert_aux): Modified for bitmapped sets.
6181 (find_existing_value_expr): New function.
6182 (create_value_expr_from): Use it.
6183 (insert_extra_phis): Removed.
6184 (print_bitmap_set): Renamed from bitmap_print_value_set.
6185 (compute_avail): Handle RETURN_EXPR.
6186 (init_pre): Modify for bitmapped sets.
6187 * tree-flow.h (has_stmt_ann): New function.
6189 2006-10-29 Roger Sayle <roger@eyesopen.com>
6191 * builtins.c (fold_builtin_floor): Check for the availability of
6192 the C99 trunc function before transforming floor into trunc.
6194 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6196 * builtins.c (fold_builtin_hypot): Rearrange recursive
6197 transformation before others, and also do ABS_EXPR. When
6198 necessary, check flag_unsafe_math_optimizations. When necessary,
6201 2006-10-29 Roger Sayle <roger@eyesopen.com>
6203 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6204 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6205 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6206 Fold -X eq/ne -Y as X eq/ne Y.
6208 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6210 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6211 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
6212 rather than GENERATE_MULT3_SI in the various define_peephole2s.
6213 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6214 Use an inclusive test for "mult" rather than "mul".
6215 (rotr<mode>3): Depend on ISA_HAS_ROR.
6216 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6218 (GENERATE_MULT3_DI): Delete.
6219 (ISA_HAS_64BIT_REGS): Use consistent formatting.
6220 (ISA_HAS_MUL3): New macro.
6221 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6222 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6223 (ISA_HAS_CLZ_CLO): Likewise.
6224 (ISA_HAS_DCLZ_DCLO): Delete.
6225 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6226 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6227 the VR4120 and VR4130.
6228 (ISA_HAS_MACCHI): Use consistent formatting.
6229 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6230 (ISA_HAS_ROR): ...this new macro.
6231 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6232 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6233 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6235 2006-10-29 Roger Sayle <roger@eyesopen.com>
6237 PR tree-optimization/15458
6238 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6241 2006-10-29 Richard Guenther <rguenther@suse.de>
6243 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6244 (ix86_expand_truncdf_32): Likewise.
6245 * config/i386/i386.c (ix86_expand_trunc): New function expanding
6246 trunc inline for SSE math and -fno-trapping-math and if not
6247 optimizing for size.
6248 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6249 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6250 for expanding btrunc inline for SSE math.
6252 2006-10-29 Joseph Myers <joseph@codesourcery.com>
6254 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6255 Handle tuning for bi-arch i[34567]86-*-linux* like that for
6256 i[34567]86-*-solaris2.1[0-9]*.
6257 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6258 Define conditionally depending on TARGET_64BIT_DEFAULT.
6259 (SPEC_32, SPEC_64): Define.
6260 (LINK_SPEC): Use them.
6261 * doc/install.texi (--enable-targets=all): Document for x86-linux.
6263 2006-10-29 Richard Guenther <rguenther@suse.de>
6265 * config/i386/i386-protos.h (ix86_expand_round): Declare.
6266 (ix86_expand_rounddf_32): Likewise.
6267 * config/i386/i386.c (ix86_expand_round): New function expanding
6268 round inline for SSE math and -fno-trapping-math and if not
6269 optimizing for size.
6270 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6271 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6272 round via ix86_expand_round.
6274 2006-10-29 Richard Guenther <rguenther@suse.de>
6276 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6277 (ix86_expand_floorceildf_32): Likewise.
6278 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6279 static helper function.
6280 (ix86_expand_floorceil): Expander for floor and ceil to SSE
6282 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
6283 * config/i386/i386.md (floordf2): Adjust to enable floor
6284 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
6285 -fno-trapping-math is enabled and if not optimizing for size.
6286 (floorsf2, ceildf2, ceilsf2): Likewise.
6287 * config/i386/sse.md (sse_maskcmpsf3): New insn.
6288 (sse2_maskcmpdf3): Likewise.
6290 2006-10-29 Richard Guenther <rguenther@suse.de>
6292 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
6293 rint in case -fno-trapping-math is enabled.
6294 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6295 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
6296 (ix86_expand_sse_fabs): Likewise.
6297 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
6298 * config/i386/i386.md (rintdf2): Enable for SSE math if
6299 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
6300 (rintsf2): Likewise.
6302 2006-10-29 Richard Guenther <rguenther@suse.de>
6304 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
6305 to conversion optabs.
6306 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
6307 as conversion optab.
6308 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
6309 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
6310 (lfloor_optab, lceil_optab): Adjust defines.
6311 * builtins.c (expand_builtin_int_roundingfn): Adjust for
6312 lfloor and lceil optabs now being conversion optabs.
6313 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
6314 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
6315 New static helper function.
6316 (ix86_expand_lfloorceil): New function to expand lfloor and
6318 * config/i386/i386.md (lfloor<mode>2): Split into ...
6319 (lfloorxf<mode>2): ... x87 variant
6320 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
6321 using ix86_expand_lfloorceil.
6322 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
6324 * doc/md.texi (lfloorMN, lceilMN): Document.
6326 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6328 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
6329 -mno-shared assembler option on mips targets.
6330 * configure, config.in: Regenerate.
6331 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
6332 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
6333 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
6335 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6337 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
6338 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6340 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
6342 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
6343 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
6346 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6349 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
6350 (fold_builtin_pow): Evaluate constant arguments at compile-time
6352 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
6353 (do_mpfr_ckconv): New helper function.
6354 (do_mpfr_arg1): Use do_mpfr_ckconv.
6355 (do_mpfr_arg2): New.
6357 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
6360 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
6361 (-fdump-rtl-sched): Rename to ..
6362 (-fdump-rtl-sched1): here. Also fix file extension number.
6364 2006-10-28 Richard Guenther <rguenther@suse.de>
6366 * fold-const.c (maybe_canonicalize_comparison): Fix code
6369 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6371 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
6372 (NON_QI_REG_P): Use IN_RANGE.
6373 (REX_INT_REGNO_P): Use IN_RANGE.
6374 (FP_REGNO_P): Use IN_RANGE.
6375 (SSE_REGNO_P): Use IN_RANGE.
6376 (REX_SSE_REGNO_P): Use IN_RANGE.
6377 (MMX_REGNO_P): Use IN_RANGE.
6378 (STACK_REGNO_P): New macro.
6379 (STACK_REG_P): Use STACK_REGNO_P.
6380 (NON_STACK_REG_P): Use STACK_REGNO_P.
6381 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
6382 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
6383 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
6384 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
6385 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
6387 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
6389 * except.h (output_function_exception_table): Add 'const char*' param.
6390 * except.c (switch_to_exception_section): Add 'const char*' param.
6391 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6392 and flag_function_sections is set, use a function-specific section.
6393 (output_function_exception_table): Add 'const char*' param.
6394 Adjust call to switch_to_exception_section.
6395 * final.c (rest_of_handle_final): Adjust calls to
6396 output_function_exception_table.
6397 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
6398 * config.in: Regenerate.
6399 * configure: Likewise.
6401 2006-10-28 Richard Guenther <rguenther@suse.de>
6404 * fold-const.c (maybe_canonicalize_comparison_1): Helper
6405 for maybe_canonicalize_comparison.
6406 (maybe_canonicalize_comparison): New function for canonicalizing
6408 (fold_comparison): Call it to canonicalize comparisons with
6411 2006-10-28 Richard Guenther <rguenther@suse.de>
6414 * builtins.c (expand_builtin_int_roundingfn_2): Expand
6415 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
6416 (expand_builtin): Adjust likewise.
6417 * genopinit.c (optabs[]): Add lround optab.
6418 * optabs.c (init_optabs): Initialize lround_optab.
6419 * optabs.h (enum convert_optab_index): Add COI_lround.
6420 (lround_optab): Define.
6421 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
6422 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
6424 (ix86_expand_lround): New function.
6425 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6427 * doc/md.texi (lroundMN2): Document.
6429 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6432 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6433 argument to HOST_WIDE_INT. Update function prototype.
6434 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6435 "size" argument to HOST_WIDE_INT. Update function prototype.
6437 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6439 * config/i386/i386.c (output_387_ffreep): Create output from a
6440 template string for !HAVE_AS_IX86_FFREEP.
6442 2006-10-27 Eric Christopher <echristo@apple.com>
6444 * config/darwin.c: Fix formatting and grammar.
6446 2006-10-27 Jan Hubicka <jh@suse.cz>
6448 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6449 to be thrown away soon when IGNORE is set.
6450 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6451 indicating when return value shall not be computed.
6452 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6454 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6456 * config/i386/i386.h (TARGET_GEODE):
6457 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6458 (TARGET_CPU_DEFAULT_geode): New macro.
6459 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6460 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6461 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6462 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6463 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6465 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6466 (processor_type): Add PROCESSOR_GEODE.
6468 * config/i386/i386.md: Include geode.md.
6471 * config/i386/i386.c (geode_cost): New initialized global
6473 (m_GEODE, m_K6_GEODE): New macros.
6474 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6475 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6476 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6477 x86_schedule): Use m_K6_GEODE instead of m_K6.
6478 (x86_movx, x86_cmove): Set up m_GEODE.
6479 (x86_integer_DFmode_moves): Clear m_GEODE.
6480 (processor_target_table): Add entry for geode.
6481 (processor_alias_table): Ditto.
6483 * config/i386/geode.md: New file.
6485 * doc/invoke.texi: Add entry about geode processor.
6487 2006-10-27 Mike Stump <mrs@apple.com>
6489 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6490 __DYNAMIC__ from here back to ...
6491 * config/darwin.h (CPP_SPEC): ... here.
6493 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6494 Nathan Sidwell <nathan@codesourcery.com>
6496 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6497 when choosing the minimum heapsize.
6499 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6501 * gcc/unwind-dw2.h: Move cfa-related variables into
6502 struct frame_state_reg_info to ensure that the CFA is properly
6503 handled when executing DW_CFA_{remember,restore}_state.
6504 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6505 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6506 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6507 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6508 gcc/config/rs6000/linux-unwind.h,
6509 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6510 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6511 Modify to use new cfa_* fields.
6513 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6515 * config/s390/s390.c (s390_init_frame_layout): Check positive
6518 2006-10-26 Ben Elliston <bje@au.ibm.com>
6520 * gimplify.c (get_name): Remove extraneous break.
6521 (gimplify_omp_for): Initialise ret with GS_OK.
6523 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6525 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6526 Add unix98.o to link line.
6528 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6531 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6532 Calculate compile-time constants using MPFR.
6533 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6534 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6536 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6538 * config/xtensa/lib2funcs.S: Use C-style comments.
6540 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6542 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6543 (file_table_relative_p): Likewise.
6544 (dwarf2out_finish): Likewise.
6545 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6547 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6549 * tree-ssa-structalias.c (intra_create_variable_infos):
6550 Don't recreate nonlocal_all if it already exists.
6552 2006-10-25 Richard Guenther <rguenther@suse.de>
6555 * optabs.h (enum optab_index): Remove OTI_lrint.
6556 (enum convert_optab_index): Add COI_lrint.
6557 (lrint_optab): Adjust.
6558 (expand_sfix_optab): Declare.
6559 * optabs.c (expand_sfix_optab): New function.
6560 (init_optabs): Init lrint_optab as conversion optab.
6561 * genopinit.c (lrint_optab): Change to a conversion optab.
6562 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6563 expansion via conversion optab.
6564 * config/i386/i386.md (*fistdi2_1): Remove
6565 flag_unsafe_math_optimizations guard.
6566 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6567 fist<mode>2_with_temp): Likewise.
6568 (lrint<mode>2): Split into...
6569 (lrintxf<mode>2): ... x87 part
6570 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6571 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6572 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6573 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6574 * doc/md.texi (lrintMN2): Document.
6576 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6579 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6580 Use inc and dec instructions for TARGET_USE_INCDEC.
6581 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6582 ("sync_double_compare_and_swap<mode>"): Likewise.
6583 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6584 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6585 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6586 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6587 ("sync_old_add<mode>"): Likewise.
6588 ("sync_lock_test_and_set<mode>"): Likewise.
6589 ("sync_lock_test_and_set<mode>"): Likewise.
6590 ("sync_add<mode>"): Likewise.
6591 ("sync_sub<mode>"): Likewise.
6592 ("sync_ior<mode>"): Likewise.
6593 ("sync_and<mode>"): Likewise.
6594 ("sync_xor<mode>"): Likewise.
6596 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6598 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6599 (remainder_optab): Define corresponding macro.
6600 (drem_optab): Remove.
6601 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6602 drem_optab initialization.
6603 * genopinit.c (optabs): Implement remainder_optab using
6604 remainder?f3 patterns. Remove drem_optab.
6605 * builtins.c (expand_builtin_mathfn_2): Handle
6606 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6607 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6608 expand_builtin_mathfn_2.
6610 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6611 depend on flag_unsafe_math_optimizations.
6613 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6614 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6615 Do not depend on flag_unsafe_math_optimizations. Use
6616 truncxf?f expander instead of truncxf?f_i387_noop.
6618 ("fpremxf4", "fprem1xf4"): Do not depend on
6619 flag_unsafe_math_optimizations.
6620 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6621 flag_unsafe_math_optimizations. Use truncxf?f expander
6622 instead of truncxf?f_i387_noop.
6624 * doc/md.texi (fmod, remainder): Document standard named pattern.
6626 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6627 David Daney <ddaney@avtrex.com>
6630 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6632 2006-10-25 Ben Elliston <bje@au.ibm.com>
6634 * doc/extend.texi (Variable Attributes): Typo fix.
6636 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6638 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6639 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6640 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6641 (FRAME_POINTER_REGNUM): Update register number to 21.
6642 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
6643 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
6645 * config/i386/i386.c (regclass_map): Add fpcr entry.
6646 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
6648 (print_reg): Assert REGNO (x) != FPCR_REG.
6650 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
6651 (DIRFLAG_REG): Renumber.
6652 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
6653 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
6654 (sse_prologue_save, *sse_prologue_save_insn): Renumber
6655 hardcoded SSE register numbers.
6657 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
6658 hardcoded MMX register numbers.
6660 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6663 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6664 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
6666 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
6667 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
6668 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
6669 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
6671 2006-10-24 Richard Guenther <rguenther@suse.de>
6674 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
6675 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
6676 for deciding optimizations in consistency with fold-const.c
6677 (fold_builtin_unordered_cmp): Likewise.
6679 2006-10-24 Richard Guenther <rguenther@suse.de>
6681 * builtins.c (fold_builtin_floor): Fold floor (x) where
6682 x is nonnegative to trunc (x).
6683 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
6684 nonnegative to FIX_TRUNC_EXPR.
6686 2006-10-24 Richard Guenther <rguenther@suse.de>
6688 PR tree-optimization/29567
6689 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
6690 for TRUTH_NOT_EXPR. Clarify comments.
6692 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6695 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
6696 at compile-time using MPFR. Change parameter VALUE to FUNC,
6698 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
6699 for overflow and underflow at all times and avoid folding in
6702 2006-10-24 Ben Elliston <bje@au.ibm.com>
6704 * reload1.c: Formatting fixes.
6706 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
6708 PR tree-optimization/14784
6709 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
6710 * tree-ssa-structalias.c (get_constraint_for,
6711 intra_create_variable_infos): Set is_heapvar.
6712 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
6713 non-heapvar pointer variables specially.
6715 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6718 * builtins.c (fold_builtin_sin, fold_builtin_cos,
6719 fold_builtin_tan): Fold all constant arguments. Take a "type"
6720 argument as necessary.
6721 (do_mpfr_arg1): New.
6722 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
6724 2006-10-23 Bob Wilson <bob.wilson@acm.org>
6726 * config/xtensa/lib1funcs.asm: Use C-style comments.
6728 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
6730 * tree.c (local_define_builtin): Replace calls to
6731 lang_hooks.builtin_function with add_builtin_function.
6732 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
6734 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
6736 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
6737 common code to add_builtin_function.
6738 * langhooks.c (add_builtin_function): New function.
6739 (lhd_builtin_function): New function.
6740 * langhooks.h (struct lang_hooks): Change the signature of
6742 (add_builtin_function): New function.
6743 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
6744 calls to lang_hooks.builtin_function with add_builtin_function.
6745 * c-common.c (decl_builtin_1): Replace calls to
6746 lang_hooks.builtin_function with add_builtin_function.
6747 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
6748 lang_hooks.builtin_function with add_builtin_function.
6749 * config/frv/frv.c (def_builtin): Replace calls to
6750 lang_hooks.builtin_function with add_builtin_function.
6751 * config/s390/s390.c (s390_init_builtins): Replace calls to
6752 lang_hooks.builtin_function with add_builtin_function.
6753 * config/sparc/sparc.c (def_builtin): Replace calls to
6754 lang_hooks.builtin_function with add_builtin_function.
6755 * config/i386/i386.c (def_builtin): Replace calls to
6756 lang_hooks.builtin_function with add_builtin_function.
6757 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
6758 lang_hooks.builtin_function with add_builtin_function.
6759 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
6760 lang_hooks.builtin_function with add_builtin_function.
6761 * config/stormy16/stormy16.c (xstormy16_init_builtins):
6762 Replace calls to lang_hooks.builtin_function with
6763 add_builtin_function.
6764 * config/iq2000/iq2000.c (def_builtin):
6765 Replace calls to lang_hooks.builtin_function with
6766 add_builtin_function.
6767 * config/ia64/ia64.c (def_builtin): Replace calls to
6768 lang_hooks.builtin_function with add_builtin_function.
6769 * config/rs6000/rs6000.c (def_builtin): Replace calls to
6770 lang_hooks.builtin_function with add_builtin_function.
6771 (altivec_init_builtins): Replace calls to
6772 lang_hooks.builtin_function with add_builtin_function.
6773 * config/arm/arm.c (def_mbuiltin): Replace calls to
6774 lang_hooks.builtin_function with add_builtin_function.
6775 (arm_init_tls_builtins): Replace calls to
6776 lang_hooks.builtin_function with add_builtin_function.
6777 * config/mips/mips.c (mips_init_builtins): Replace calls to
6778 lang_hooks.builtin_function with add_builtin_function.
6779 * config/bfin/bfin.c (def_builtin): Replace calls to
6780 lang_hooks.builtin_function with add_builtin_function.
6781 * langhooks-def.h (lhd_builtin_function): New function.
6782 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
6784 2006-10-23 Jakub Jelinek <jakub@redhat.com>
6786 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
6787 BUILT_IN_STRNCAT_CHK.
6789 2006-10-23 Jan Hubicka <jh@suse.cz>
6791 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
6792 don't do conversion from memmove to memcpy here.
6793 (expand_builtin_bcopy, expand_builtin): Update call of
6794 expand_builtin_memmove.
6795 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
6797 2006-10-23 Paul Brook <paul@codesourcery.com>
6799 * stor-layout.c (start_record_layout): maximum_field_alignment
6800 overrides STRUCTURE_SIZE_BOUNDARY.
6802 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
6804 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
6805 nonlocal function symbols if flag_pic.
6807 2006-10-23 Richard Guenther <rguenther@suse.de>
6811 * builtins.c (fold_binary): Remove checks for flag_wrapv
6812 and flag_trapv where negate_expr_p covers these cases.
6814 2006-10-23 Richard Guenther <rguenther@suse.de>
6817 * fold-const.c (fold_plusminus_mult_expr): Check exact power
6818 of two on the absolute value.
6819 (fold_binary): Fold x * -C to -x * C if x is easily negatable
6820 and negating -C does not overflow.
6822 2006-10-23 Richard Guenther <rguenther@suse.de>
6825 * convert.c (convert_to_real): Fold (float)-x to -(float)x
6826 only if not flag_rounding_math.
6828 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6829 Kaz Kojima <kkojima@gcc.gnu.org>
6832 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
6833 SImode memory reference for the source of a movua.
6834 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
6835 (movua): Use an unspec instead of sign_extract. Expect the source
6836 to have mode BLKmode.
6837 (extv, insv): Use a BLKmode rather than SImode memory reference
6838 for the source of a movua.
6840 2006-10-22 Jeff Law <law@redhat.com>
6841 Richard Guenther <rguenther@suse.de>
6843 PR tree-optimization/15911
6844 * tree-vrp.c (extract_code_and_val_from_cond): New function.
6845 (register_edge_assert_for_1): Likewise.
6846 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
6847 (find_conditional_asserts): Adjust for new function signature.
6848 (find_assert_locations): Likewise.
6850 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6852 * config/i386/tmmintrin.h: Remove the duplicated content.
6854 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6856 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
6857 (x86_64-*-*): Likewise.
6859 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
6860 (override_options): Check SSSE3.
6861 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
6862 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
6863 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
6864 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
6865 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
6866 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
6867 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
6868 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
6869 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
6870 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
6871 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
6872 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
6873 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
6874 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
6875 IX86_BUILTIN_PABSD128.
6876 (bdesc_2arg): Add SSSE3.
6877 (bdesc_1arg): Likewise.
6878 (ix86_init_mmx_sse_builtins): Support SSSE3.
6879 (ix86_expand_builtin): Likewise.
6880 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
6882 * config/i386/i386.md (UNSPEC_PSHUFB): New.
6883 (UNSPEC_PSIGN): Likewise.
6884 (UNSPEC_PALIGNR): Likewise.
6885 Include mmx.md before sse.md.
6887 * config/i386/i386.opt: Add -mssse3.
6889 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
6890 (ssse3_phaddwv4hi3): Likewise.
6891 (ssse3_phadddv4si3): Likewise.
6892 (ssse3_phadddv2si3): Likewise.
6893 (ssse3_phaddswv8hi3): Likewise.
6894 (ssse3_phaddswv4hi3): Likewise.
6895 (ssse3_phsubwv8hi3): Likewise.
6896 (ssse3_phsubwv4hi3): Likewise.
6897 (ssse3_phsubdv4si3): Likewise.
6898 (ssse3_phsubdv2si3): Likewise.
6899 (ssse3_phsubswv8hi3): Likewise.
6900 (ssse3_phsubswv4hi3): Likewise.
6901 (ssse3_pmaddubswv8hi3): Likewise.
6902 (ssse3_pmaddubswv4hi3): Likewise.
6903 (ssse3_pmulhrswv8hi3): Likewise.
6904 (ssse3_pmulhrswv4hi3): Likewise.
6905 (ssse3_pshufbv16qi3): Likewise.
6906 (ssse3_pshufbv8qi3): Likewise.
6907 (ssse3_psign<mode>3): Likewise.
6908 (ssse3_psign<mode>3): Likewise.
6909 (ssse3_palignrti): Likewise.
6910 (ssse3_palignrdi): Likewise.
6911 (abs<mode>2): Likewise.
6912 (abs<mode>2): Likewise.
6914 * config/i386/tmmintrin.h: New file.
6916 * doc/extend.texi: Document SSSE3 built-in functions.
6918 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
6920 2006-10-22 Ira Rosen <irar@il.ibm.com>
6922 * tree-vect-transform.c (vectorizable_load): Use the type of the
6923 return value of the mask_for_load builtin to create realign_load
6926 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6928 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
6931 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
6933 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
6934 (UNSPEC_LDDQU): This.
6935 * config/i386/sse.md (sse3_lddqu): Updated.
6937 2006-10-21 Richard Guenther <rguenther@suse.de>
6939 * builtins.c (expand_builtin_int_roundingfn_2): New function.
6940 (expand_builtin): Use it to expand lrint instead of
6941 expand_builtin_mathfn.
6943 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6946 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
6947 flag_unsafe_math_optimizations is set.
6949 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6952 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
6953 patterns to use memory input operand in x87->mem->XMM
6954 reload sequences. Skip transformation for TARGET_K8.
6956 2006-10-21 Uros Bizjak <uros@kss-loka.si>
6958 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
6959 force operand1 to register if both operands are memory operands.
6960 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
6961 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
6962 if both operands are memory operands.
6963 (truncdfsf2): Do not force operand1 to register if both operands
6964 are memory operands.
6966 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6968 * Makefile.in (LIBS): Add $(GMPLIBS).
6969 * doc/install.texi: Update GMP and MPFR requirements.
6970 * doc/sourcebuild.texi (need_gmp): Delete.
6972 2006-10-21 Richard Guenther <rguenther@suse.de>
6974 PR tree-optimization/3511
6975 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
6976 got new invariant arguments during PHI translation.
6978 2006-10-21 Richard Guenther <rguenther@suse.de>
6981 * fold-const.c (fold_comparison): Fold signed comparisons
6982 of the form X +- C1 CMP Y +- C2.
6984 2006-10-21 Richard Guenther <rguenther@suse.de>
6987 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
6988 if flag_unsafe_math_optimizations is specified. We have
6989 flag_finite_math_only for that.
6990 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
6991 or flag_unsafe_math_optimizations.
6993 2006-10-21 Richard Guenther <rguenther@suse.de>
6995 * builtins.c (fold_builtin_classify): Fix typo.
6997 2006-10-21 Richard Guenther <rguenther@suse.de>
7000 * simplify-rtx.c (simplify_const_relational_operation):
7001 Do not constant-fold ORDERED and UNORDERED for
7002 flag_unsafe_math_optimizations but only we do not need to
7003 honor NaNs for the given mode.
7005 2006-10-21 Richard Guenther <rguenther@suse.de>
7008 * config/i386/i386.c (classify_argument): Remove redundant
7009 walking of the BINFOs.
7010 (contains_128bit_aligned_vector_p): Likewise.
7012 2006-10-20 Mark Mitchell <mark@codesourcery.com>
7014 * BASE-VER: Set to 4.3.0.
7016 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
7018 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
7019 (tree_decl_with_vis): Remove artificial_pta_var flag.
7020 * tree-flow.h (referenced_var_check_and_insert): Expose.
7021 (nonlocal_all): New prototype.
7022 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
7023 (nonlocal_all): Make global.
7024 (nonlocal_lookup): Remove.
7025 (nonlocal_insert): Ditto.
7026 (create_nonlocal_var): Do not call nonlocal_insert.
7027 (get_nonlocal_id_for_type): Remove.
7028 (find_global_initializers): Mark new vars we find for renaming.
7029 (intra_create_variable_infos): Only create one nonlocal.
7030 (expand_nonlocal_solutions): Remove.
7031 (compute_points_to_sets): Don't call it.
7032 (ipa_pta_execute): Ditto.
7033 (init_alias_heapvars): Don't create nonlocal_for_type.
7034 (delete_alias_heapvars): Don't remove it.
7035 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
7038 2006-10-19 Brooks Moses <bmoses@stanford.edu>
7040 * doc/install.texi (Downloading GCC): Clarify mention of
7041 Fortran in the "full distribution" description.
7043 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
7045 Fix PR tree-optimization/28778
7046 Fix PR tree-optimization/29156
7047 Fix PR tree-optimization/29415
7048 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
7049 (tree_decl_with_vis): Add artificial_pta_var flag.
7050 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
7051 pushed into callers.
7052 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
7053 (nonlocal_all): Ditto.
7054 (struct variable_info): Add directly_dereferenced member.
7055 (var_escaped_vars): New variable.
7056 (escaped_vars_tree): Ditto.
7057 (escaped_vars_id): Ditto.
7058 (nonlocal_vars_id): Ditto.
7059 (new_var_info): Set directly_dereferenced.
7060 (graph_size): New variable
7061 (build_constraint_graph): Use graph_size.
7062 (solve_graph): Don't process constraints that cannot change the
7063 solution, don't try to propagate an empty solution to our
7065 (process_constraint): Set directly_dereferenced.
7066 (could_have_pointers): New function.
7067 (get_constraint_for_component_ref): Don't process STRING_CST.
7068 (nonlocal_lookup): New function.
7069 (nonlocal_insert): Ditto.
7070 (create_nonlocal_var): Ditto.
7071 (get_nonlocal_id_for_type): Ditto.
7072 (get_constraint_for): Allow results vector to be empty in the case
7073 of string constants.
7074 Handle results of calls properly.
7075 (update_alias_info): Update alias info stats on number and type of
7077 (find_func_aliases): Use could_have_pointers.
7078 (make_constraint_from_escaped): Renamed from
7079 make_constraint_to_anything, and changed to make constraints from
7081 (make_constraint_to_escaped): New function.
7082 (find_global_initializers): Ditto.
7083 (create_variable_info_for): Make constraint from escaped to any
7084 global variable, and from any global variable to the set of
7086 (intra_create_variable_infos): Deal with escaped instead of
7087 pointing to anything.
7088 (set_uids_in_ptset): Do type pruning on directly dereferenced
7090 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
7091 (init_base_vars): Fix comment, and initialize escaped_vars.
7092 (need_to_solve): Removed.
7093 (find_escape_constraints): New function.
7094 (expand_nonlocal_solutions): Ditto.
7095 (compute_points_to_sets): Call find_escape_constraints and
7096 expand_nonlocal_solutions.
7097 (delete_points_to_sets): Don't fall off the end of the graph.
7098 (init_alias_heapvars): Initialize nonlocal_for_type and
7100 (delete_alias_heapvars): Free nonlocal_for_type and null out
7103 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
7105 * fold-const.c (add_double): Rename to add_double_with_sign.
7106 Add 'unsigned_p' parameter and take it into account for the overflow.
7107 (mul_double): Rename to mul_double_with_sign.
7108 Add 'unsigned_p' parameter and take it into account for the overflow.
7109 (fold_div_compare): Call add_double_with_sign instead of add_double
7110 and mul_double_with_sign instead of mul_double, passing them the
7111 unsignedness of the type.
7112 * tree.h (add_double): Macroize.
7113 (add_double_with_sign): New prototype.
7114 (mul_double): Macroize.
7115 (mul_double_with_sign): New prototype.
7117 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
7119 * config/score/crti.asm: New file.
7120 * config/score/crtn.asm: New file.
7121 * config/score/elf.h: New file.
7122 * config/score/mac.md: New file.
7123 * config/score/misc.md: New file.
7124 * config/score/mul-div.S: New file.
7125 * config/score/predicates.md: New file.
7126 * config/score/score7.md: New file.
7127 * config/score/score.c: New file.
7128 * config/score/score-conv.h: New file.
7129 * config/score/score.h: New file.
7130 * config/score/score.md: New file.
7131 * config/score/score-mdaux.c: New file.
7132 * config/score/score-mdaux.h: New file.
7133 * config/score/score-modes.def: New file.
7134 * config/score/score.opt: New file.
7135 * config/score/score-protos.h: New file.
7136 * config/score/score-version.h: New file.
7137 * config/score/t-score-elf: New file.
7138 * config.gcc: Add score*-*-* configurations(Update before).
7139 * doc/invoke.texi (Score Options): New section.
7140 * doc/md.texi (Score family): New section to document constraints.
7142 2006-10-19 Nick Clifton <nickc@redhat.com>
7144 * config/arm/arm.c: Fix spelling typo.
7146 2006-10-18 Tom Tromey <tromey@redhat.com>
7148 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
7150 2006-10-18 Jan Hubicka <jh@suse.cz>
7153 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7156 2006-10-18 Marcin Dalecki <martin@dalecki.de>
7158 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7159 TSI_SAME_STMT, since that's the desired entity.
7161 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
7163 * config/s390/contraints.md: New file.
7164 * config/s390/s390-protos.h (s390_mem_constraint,
7165 s390_O_constraint_str, s390_N_constraint_str,
7166 s390_float_const_zero_p): Function prototypes added.
7167 * config/s390/s390.c (s390_extra_constraint_str,
7168 s390_const_double_ok_for_constraint_p,
7169 s390_const_ok_for_constraint_p): Functions removed.
7170 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7171 s390_float_const_zero_p): New functions.
7172 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7173 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7174 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7175 Macro definitions removed.
7176 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7177 s390_extra_constraint_str): Functions removed.
7179 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
7180 Richard Sandiford <richard@codesourcery.com>
7183 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7184 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7186 2006-10-16 Geoffrey Keating <geoffk@apple.com>
7188 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7189 (DWARF2_FRAME_REG_OUT): Likewise.
7190 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7191 (DWARF2_FRAME_REG_OUT): Likewise.
7193 2006-10-17 Paul Brook <paul@codesourcery.com>
7195 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7197 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7199 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7200 Standardize on "GNU Fortran" as the official name of the Fortran
7203 2006-10-16 Mike Stump <mrs@apple.com>
7205 * doc/invoke.texi (Darwin Options): Document -mkernel.
7206 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7208 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
7209 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7210 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7211 (OS_MISSING_ALTIVEC): Add.
7212 * config/i386/i386.c (override_options): Add
7213 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7214 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7215 -mkernel, -static or -mdynamic-no-pic is given.
7216 (C_COMMON_OVERRIDE_OPTIONS): Add.
7217 * config/darwin.opt (fapple-kext): Add.
7219 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7220 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7222 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7223 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7224 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7225 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7226 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7227 (flag_mkernel): Add.
7228 (flag_apple_kext): Add.
7229 (TARGET_KEXTABI): Add.
7230 * config/darwin.c (darwin_handle_kext_attribute): Add.
7231 (DARWIN_VTABLE_P): Add.
7232 (darwin_binds_local_p): Add partial support for rebinding vtables
7234 (darwin_kextabi_p): Add.
7235 (darwin_override_options): Add.
7236 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7237 (darwin_kextabi_p): Add.
7238 (darwin_override_options): Add.
7239 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7240 __DYNAMIC__ and __STATIC__ here.
7242 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7244 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7245 Added mention of "make pdf" target, and Texinfo requirements for
7248 2006-10-16 DJ Delorie <dj@redhat.com>
7250 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7251 into the GOT in case we need a subreg of the address.
7253 2006-10-16 Richard Guenther <rguenther@suse.de>
7256 * doc/extend.texi (X86 Built-in Functions): Fix typos in
7257 SSE builtin documentation. Document SSE2 builtins.
7259 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7261 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7262 symbol in the output file for non-shared links when -nostdlib or
7263 -nodefaultlibs isn't specified.
7265 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7266 posix thread support.
7268 2006-10-15 Jan Hubicka <jh@suse.cz>
7271 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7272 declared always_inline even when not inlining.
7274 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7275 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7276 Andrew Pinski <pinskia@gmail.com>
7279 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
7281 2006-10-15 Jan Hubicka <jh@suse.cz>
7282 Richard Guenther <rguenther@suse.de>
7285 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7286 process_function_and_variable_attributes on all variables, including
7287 those discovered during cgraph construction phase.
7289 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
7291 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
7293 2006-10-14 Uros Bizjak <uros@kss-loka.si>
7295 * config/i386/athlon.md (athlon_fist): Add fisttp.
7297 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7298 Ian Lance Taylor <ian@airs.com>
7301 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7302 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7305 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
7307 * config/score/score.c, config/score/score.h: Fix comment
7310 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7313 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7316 2006-10-13 Eric Christopher <echristo@apple.com>
7318 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7320 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7323 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7324 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7325 alignment supported by 32-bit ELF.
7327 2006-10-13 Eric Christopher <echristo@apple.com>
7329 * config/darwin.c (darwin_emit_unwind_label): Strip
7330 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
7332 2006-10-13 Richard Guenther <rguenther@suse.de>
7334 PR tree-optimization/29446
7335 * tree-vrp.c (fix_equivalence_set): Remove.
7336 (extract_range_from_assert): Do not call fix_equivalence_set.
7337 (debug_value_range): Print a newline.
7338 (compare_name_with_value): For equivalence sets with
7339 inconsistent value ranges conservatively bail out.
7340 (compare_names): Likewise.
7342 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7344 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
7345 and MPFR for gfortran.
7347 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7349 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7350 alignment supported by 32-bit ELF.
7352 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
7356 * c-typeck.c (digest_init): Always allow initializing vectors
7357 that have static storage duration with compound literals.
7358 * tree.c (build_type_attribute_qual_variant): New, based on
7359 build_type_attribute_variant.
7360 (build_type_attribute_variant): Rewrite using the former.
7361 (make_vector_type): Use build_type_attribute_qual_variant to build
7362 type variants. Use type_hash_canon on the others.
7364 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
7365 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
7367 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
7369 2006-10-12 Jan Hubicka <jh@suse.cz>
7372 * c-decl.c (c_make_fname_decl): Do not segfault in case where
7373 current_function_decl is set but current_function_scope is not.
7375 2006-10-12 Jie Zhang <jie.zhang@analog.com>
7377 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
7378 emit_insn to emit eh_return_internal instruction.
7379 (eh_return_internal): Explicitly set pc.
7381 2006-10-11 Richard Guenther <rguenther@suse.de>
7383 PR tree-optimization/28230
7384 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
7385 to the correct place.
7387 2006-10-11 Richard Guenther <rguenther@suse.de>
7390 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
7393 2006-10-10 Brooks Moses <bmoses@stanford.edu>
7395 * configure.ac: Added pdf to "Make-hooks"
7396 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
7397 targets and *.pdf file patterns in cleanup targets.
7398 * configure: Regenerated.
7400 2006-10-10 Anatoly Sokolov <aesok@post.ru>
7402 * config/avr/predicates.md: New file.
7403 * config/avr/avr.md: Include it.
7404 (REG_SP): New constant.
7405 (peepholes): Use predicates.
7406 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
7407 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
7408 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
7410 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
7412 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
7415 2006-10-10 Jakub Jelinek <jakub@redhat.com>
7418 * builtins.c (var_decl_component_p): New function.
7419 (fold_builtin_memset, fold_builtin_memory_op): Restrict
7420 single entry optimization to variables and components thereof.
7422 2006-10-10 Richard Guenther <rguenther@suse.de>
7424 PR rtl-optimization/29323
7425 * except.c (set_nothrow_function_flags): For functions
7426 that do not bind local bail out early.
7428 2006-10-10 Ben Elliston <bje@au.ibm.com>
7430 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7433 2006-10-09 Richard Henderson <rth@redhat.com>
7435 Revert emutls patch.
7437 2006-10-09 Richard Guenther <rguenther@suse.de>
7440 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7443 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7446 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7447 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7448 * configure: Regenerate.
7449 * config.in: Regenerate.
7451 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7453 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7455 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7457 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7458 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7459 Remove stray newline.
7461 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7463 * config/mips/mips.c (mips_classify_symbol): Do not return
7464 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7465 (mips_in_small_data_p): Tweak comments.
7467 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7469 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7471 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7473 * gimplify.c, sched-int.h: Fix comment typos.
7475 * sched-int.h: Fix comment typos.
7477 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7479 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7481 * sched-ebb.c (begin_schedule_ready): Use them.
7482 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7483 add_to_speculative_block, create_check_block_twin, speculate_insn,
7484 fix_jump_move, move_block_after_check): Ditto.
7485 * sched-rgn.c (new_ready): Ditto.
7487 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7489 PR rtl-optimization/29128
7490 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7491 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7492 allow interblock movement of speculation checks.
7494 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7497 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7498 casted to integer type.
7499 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7500 if they are significantly more expensive than [reg + index] ones.
7502 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7504 PR tree-optimization/29330
7505 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7506 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7507 on newly allocated ddrs.
7508 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7509 to VEC (loop_p, heap) pointer.
7510 (compute_data_dependences_for_loop): Adjust caller.
7511 (free_dependence_relations): Free DDR_LOOP_NEST.
7513 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7514 free DEPENDENCE_RELATIONS and DATAREFS.
7517 * builtins.c (expand_builtin_sync_operation,
7518 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7519 Use convert_to_mode to handle promoted arguments.
7521 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7523 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7525 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7527 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7529 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7531 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7532 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7533 Use <modeconstraint> instead of "r" as operand 1 constraint.
7535 2006-10-06 Olivier Hainque <hainque@adacore.com>
7537 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7538 Don't recurse on the pointed-to type.
7539 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7540 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7541 types with components of variable size.
7543 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7545 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7547 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7549 PR tree-optimization/29290
7550 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7554 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7555 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7558 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7559 the number of vector elements fill the rest with zeros.
7561 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7563 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7564 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7567 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7569 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7570 unnamed pattern into subsi3. Use correct constraints/predicates.
7571 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7572 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7574 2006-10-05 Ira Rosen <irar@il.ibm.com>
7576 * doc/loop.texi: Add data references analysis description.
7578 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7580 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7582 2006-10-04 Richard Henderson <rth@redhat.com>
7583 Jakub Jelinek <jakub@redhat.com>
7585 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7586 * builtin-types.def (BT_WORD): Make unsigned.
7587 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7588 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7589 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7590 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7591 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7592 * cgraph.c (decide_is_variable_needed): Look at force_output.
7593 Recurse for emulated tls.
7594 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7595 checks redundant with decide_is_variable_needed.
7596 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7597 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7599 * expr.c (emutls_var_address): New.
7600 (expand_expr_real_1): Expand emulated tls.
7601 (expand_expr_addr_expr_1): Likewise.
7602 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7603 * output.h (emutls_finish): Declare.
7604 * toplev.c (compile_file): Call it.
7605 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7606 address before wrapping in CONST.
7607 * varasm.c (emutls_htab, emutls_object_type): New.
7608 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7609 (get_emutls_object_name, get_emutls_object_type): New.
7610 (get_emutls_init_templ_addr, emutls_decl): New.
7611 (emutls_common_1, emutls_finish): New.
7612 (assemble_variable): When emulating tls, swap decls; generate
7613 constructor for the emutls objects.
7614 (do_assemble_alias): When emulating tls, swap decl and target name.
7615 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7617 * emutls.c: New file.
7618 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7619 tls_object for real tls.
7621 2006-10-04 Zack Weinberg <zackw@panix.com>
7623 Fix bug in constraint-check generator, reported by Rask Ingemann
7625 * genpreds.c (add_constraint): Don't remove anything from the
7627 (write_tm_constrs_h): Detect whether "op" argument is used, and
7628 mark it ARG_UNUSED if it isn't.
7629 (write_insn_const_int_ok_for_constraint): Skip the part of the
7630 expression that would test whether "op" (which is not available
7631 here) is a CONST_INT.
7633 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7636 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7638 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7640 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7641 current Leopard versions.
7642 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
7644 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
7646 * doc/install.texi: Fix typos.
7648 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7650 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
7651 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
7652 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7654 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
7656 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
7657 arg to be struct mach_header_64* instead.
7659 2006-10-02 Jakub Jelinek <jakub@redhat.com>
7662 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
7663 side effects after the outer expression's post side effects.
7665 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
7667 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
7668 comments to reflect actual behavior and relationship between
7669 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
7671 * doc/c-tree.texi (Working with declarations): Fix documentation
7672 of FIELD_DECL likewise.
7674 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
7677 * doc/extend.texi: Add used variable attribute description.
7679 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
7682 * c.opt (Woverride-init): New.
7683 * c-opts.c (c_common_post_options): Default warn_override_init to
7685 * c-typeck.c (add_pending_init, output_init_element): Warn for
7686 overriding initializers without side effects.
7687 * doc/invoke.texi (-Woverride-init): Document.
7690 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
7692 PR rtl-optimization/28096
7693 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
7694 assignment has already been used as a destination earlier in the block.
7696 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
7698 * builtins.c (expand_builtin_setjmp): Delete.
7699 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
7700 <BUILT_IN_SETJMP_SETUP>: New case.
7701 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
7702 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
7703 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
7704 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
7705 (BUILT_IN_SETJMP_RECEIVER): Likewise.
7706 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
7707 (lower_function_body): Initialize it to false. If it is set to true
7708 at the end of the processing, emit the setjmp dispatcher.
7709 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
7710 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
7711 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
7712 on the rhs of the assignment.
7713 (lower_builtin_setjmp): New function.
7714 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
7715 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
7716 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
7717 to detect calls that can go to non-local labels. Use specific
7718 helper to create the abnormal edges associated with them.
7719 <MODIFY_EXPR>: Likewise.
7720 (make_abnormal_goto_edges): New function extracted from...
7721 (make_goto_expr_edges): ...here. Call it for computed gotos.
7722 (simple_goto_p): Minor tweak.
7723 (tree_can_make_abnormal_goto): New predicate.
7724 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
7725 (tree_purge_dead_abnormal_call_edges): New function.
7726 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
7727 (tree_purge_dead_abnormal_call_edges): Likewise.
7728 (make_abnormal_goto_edges): Likewise.
7729 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
7730 Purge all dead abnormal edges if the call was in the last statement.
7731 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
7732 (execute_fixup_cfg): If there are non-local labels in the function,
7733 scan the basic blocks and split them at calls that can go to non-local
7734 labels or add missing abnormal call edges. Write down the CFG in the
7736 (pass_fixup_cfg): Remove TODO_dump_func flag.
7737 * unwind-sjlj.c: Poison setjmp.
7738 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
7739 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
7740 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
7741 (DONT_USE_BUILTIN_SETJMP): Document it.
7743 2006-09-28 Geoffrey Keating <geoffk@apple.com>
7746 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
7747 to 1 when __ppc64__ is defined.
7748 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
7750 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
7752 2006-09-28 Steve Ellcey <sje@cup.hp.com>
7754 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
7755 * config/ia64/unwind-hpux.c: Delete.
7757 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
7759 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
7760 on the element before gimplifying it, instead of punting if it is of
7763 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
7765 * doc/loop.texi: New file.
7766 * doc/gccint.texi: Reference loop.texi.
7767 * Makefile.in (loop.texi): Add.
7769 2006-09-27 Geoffrey Keating <geoffk@apple.com>
7771 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
7773 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7774 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7776 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
7778 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
7780 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
7782 * doc/install.texi: Document required versions of GMP and MPFR.
7784 2006-09-27 Paul Brook <paul@codesourcery.com>
7787 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
7789 2006-09-27 Richard Sandiford <richard@codesourcery.com>
7791 * reload1.c (alter_reg): Require the alignment of the stack slot to
7792 be at least reg_max_ref_width bytes.
7793 (scan_paradoxical_subregs): Record the largest width in
7796 2006-09-26 Jakub Jelinek <jakub@redhat.com>
7800 * tree-nested.c (struct nesting_info): Added static_chain_added.
7801 (convert_call_expr): Set static_chain_added when adding static
7802 chain. Handle OMP_PARALLEL and OMP_SECTION.
7804 2006-09-25 Matthias Klose <doko@debian.org>
7806 * doc/invoke.texi: Add missing full stop.
7808 2006-09-25 Richard Henderson <rth@redhat.com>
7810 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
7811 before cgraph_function_flags_ready.
7813 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
7814 Adam Nemet <anemet@caviumnetworks.com>
7816 * tree-ssa-loop-ivopts.c (aff_combination_convert,
7817 determine_common_wider_type): New functions.
7818 (get_computation_aff): Use them to simplify arithmetic between
7819 UBASE and CBASE if they are shortened from the same type.
7821 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
7824 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
7825 -2147483647 - 1 instead of 0x80000000.
7827 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
7829 * flags.h (HONOR_NANS): Fix typo in comment.
7831 2006-09-23 Uros Bizjak <uros@kss-loka.si>
7833 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
7835 2006-09-23 Jakub Jelinek <jakub@redhat.com>
7839 * tree.c (merge_attributes, attribute_list_contained): If both
7840 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
7842 * c-typeck.c (comptypes_internal): Don't consider aggregates
7843 in different TUs as compatible if there one set of attributes is
7844 not a subset of the other type's attributes.
7845 (composite_type): Try harder not to create a new aggregate type.
7847 2006-09-22 Geoffrey Keating <geoffk@apple.com>
7849 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
7850 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
7851 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
7852 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
7853 than replicating condition above.
7854 * config.host (i[34567]86-*-*): Always use driver-i386.o.
7856 * config/darwin.h (LINK_SYSROOT_SPEC): New.
7857 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
7858 the linker by default.
7860 2006-09-22 Mike Stump <mrs@apple.com>
7862 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
7865 2006-09-22 Richard Guenther <rguenther@suse.de>
7868 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
7869 sort of stack variables stable.
7871 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
7874 * explow.c (force_reg): Set REG_POINTER flag according to
7877 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
7879 PR tree-optimization/28888
7880 * tree-if-conv.c (combine_blocks): Rewritten.
7881 * tree-cfg.c (tree_verify_flow_info): Check that edges with
7882 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
7884 2006-09-22 Jakub Jelinek <jakub@redhat.com>
7886 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
7889 2006-09-21 Richard Sandiford <richard@codesourcery.com>
7891 * varasm.c (copy_constant): Fix reversed gcc_assert check.
7893 2006-09-21 Janis Johnson <janis187@us.ibm.com>
7895 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
7897 2006-09-21 Roger Sayle <roger@eyesopen.com>
7900 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
7901 dw_fde_current_label, to be the start of the function, i.e. the same
7902 value as dw_fde_begin.
7904 2006-09-20 Richard Sandiford <richard@codesourcery.com>
7906 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
7907 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
7908 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
7909 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
7910 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
7911 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
7912 (abs<mode>2, neg<mode>2): Likewise.
7913 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
7914 (*mips_abs_ps): New define_insn.
7916 2006-09-20 Josh Conner <jconner@apple.com>
7919 * calls.c (expand_call): Allow reuse of structure return stack
7922 2006-09-20 Paul Brook <paul@codesourcery.com>
7924 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
7927 2006-09-20 Janis Johnson <janis187@us.ibm.com>
7929 * doc/extend.texi (Decimal Float): Update for latest draft TR,
7930 clean up terminology.
7932 2006-09-20 Steve Ellcey <sje@cup.hp.com>
7935 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
7936 with tablejumps in them.
7938 2006-09-20 Jakub Jelinek <jakub@redhat.com>
7941 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
7942 wrap it into TARGET_EXPR.
7944 2006-09-20 Eric Christopher <echristo@apple.com>
7946 * config/i386/i386.c (x86_fisttp): Remove.
7947 * config/i386/i386.h (x86_fisttp): Ditto.
7948 (TARGET_FISTTP): Ditto.
7950 2006-09-19 Eric Christopher <echristo@apple.com>
7952 * doc/tm.texi (OBJC_JBLEN): Describe.
7953 * config/i386/darwin.h (OBJC_JBLEN): Define.
7954 * config/rs6000/darwin.h: Ditto.
7956 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
7958 PR rtl-optimization/21299
7959 * reload1.c (reload): Purge invalid ASMs in the final pass.
7961 2006-09-19 Steve Ellcey <sje@cup.hp.com>
7964 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
7965 pointers as legitimate constants.
7967 2006-09-19 Paul Brook <paul@codesourcery.com>
7970 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
7972 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
7974 PR tree-optimization/28887
7975 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
7976 component parts from the reference.
7977 (gather_memory_references_ref): Record the reference without the
7978 nonaddressable component parts.
7980 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
7983 * c-opts.c (c_common_handle_option): Ignore the -std options
7984 if the input language is assembly.
7986 2006-09-17 Ira Rosen <irar@il.ibm.com>
7989 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
7991 (ptr_ptr_may_alias_p): Likewise.
7992 (record_record_differ_p): New function.
7993 (base_object_differ_p): Call record_record_differ_p.
7995 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7998 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
7999 away for the expr argument.
8001 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8004 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
8005 before using it for dumping after vectorizing loops.
8007 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8008 Jack Howarth <howarth@bromo.med.uc.edu>
8011 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
8012 skip on error_mark_node.
8013 (rs6000_darwin64_record_arg_recurse): Likewise.
8015 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8017 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
8018 * doc/rtl.texi: Remove related documentation.
8020 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
8022 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
8025 2006-09-15 Jim Wilson <wilson@specifix.com>
8027 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
8028 Handle symbol offsets same as they are handled in ia64_expand_move
8031 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
8033 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
8034 Add forgotten parameter to the fprintf call.
8036 2006-09-15 Steve Ellcey <sje@cup.hp.com>
8038 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
8040 2006-09-15 Uros Bizjak <uros@kss-loka.si>
8042 * doc/contrib.texi: Add my entry.
8044 2006-09-15 Nick Clifton <nickc@redhat.com>
8046 * doc/md.texi (Processor pipeline description): Fix typo in
8047 example of how to use the absence_set directive and reword the
8048 description to make it slightly easier to read.
8050 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
8052 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
8053 * loop-doloop.c (doloop_optimize): Use it to limit costs of
8054 expanding the number of iterations.
8055 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
8057 * cfgrtl.c (emit_insn_at_entry): New function.
8058 * rtl.h (emit_insn_at_entry): Declare it.
8059 * integrate.c (emit_initial_value_sets): Use it.
8061 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
8063 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
8065 (struct loop_work and related VEC declarations): Delete.
8066 (bfin_dump_loops): Print out new member bad.
8067 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
8068 (bfin_scan_loop): Don't recurse.
8069 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
8070 loops. No longer need to update outer loops if the current one is
8071 found bad. Move some validitiy checks to bfin_discover_loop.
8072 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
8073 but changed not to check for nesting. Also changed to use the new bad
8075 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
8076 time. Use bitmap based test to discover loop nesting.
8078 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
8080 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
8083 2006-09-14 Richard Guenther <rguenther@suse.de>
8084 Kazu Hirata <kazu@codesourcery.com>
8086 PR middle-end/28884.
8087 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
8088 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
8089 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
8090 with TARGET_FUNCTION_VALUE.
8092 2006-09-14 Anatoly Sokolov <aesok@post.ru>
8095 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
8097 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
8099 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
8102 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
8105 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
8108 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8110 * basic_block.h (bb_has_eh_pred): Fix comment.
8112 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8114 * flow.c (calculate_global_regs_live): Invalidate eh registers
8115 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
8116 (propagate_block): Handle eh registers as if they were set at basic
8118 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8120 * global.c (global_conflicts): Make eh registers to conflict with
8121 pseudos live at basic block begin.
8122 * basic_block.h (bb_has_eh_pred): New function.
8124 2006-09-13 Richard Sandiford <richard@codesourcery.com>
8126 PR rtl-optimization/28982
8127 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
8128 index of a PRE_MODIFY or POST_MODIFY address.
8129 * reload1.c (inc_for_reload): Use find_replacement on the original
8130 base and index registers.
8132 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
8134 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
8135 for -Os. Update __m128 alignment requirement.
8137 2006-09-13 Jan Hubicka <jh@suse.cz>
8139 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
8141 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
8143 PR rtl-optimization/28243
8144 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8145 the insn to which the note was originally attached.
8147 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
8148 Roger Sayle <roger@eyesopen.com>
8150 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8151 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8152 on platforms that don't use dwarf for debug info.
8154 2006-09-12 Jason Merrill <jason@redhat.com>
8157 * builtins.c (expand_builtin_setjmp_receiver): Clobber
8158 hard_frame_pointer_rtx after using it to update the frame pointer.
8160 2006-09-12 Roger Sayle <roger@eyesopen.com>
8162 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8163 (TARGET_ASM_CLOSE_PAREN): Likewise.
8164 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8165 (TARGET_ASM_CLOSE_PAREN): Likewise.
8167 2006-09-12 Roger Sayle <roger@eyesopen.com>
8170 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
8171 frame information for frames larger than 512 Kbytes on Tru64 when
8172 using the native assembler.
8174 2006-09-12 Roger Sayle <roger@eyesopen.com>
8178 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8179 and symbols. Instead use the implementation from cse.c's hash_rtx.
8181 2006-09-12 Jan Hubicka <jh@suse.cz>
8183 PR rtl-optimization/28071
8184 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8185 (vect_transform_loop): Likewise.
8186 * tree-vectorizer.c (new_loop_vec_info): Likewise.
8187 (new_loop_vec_info): Likewise.
8188 (destroy_loop_vec_info): Likewise.
8189 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
8190 (create_stmt_ann): Likewise.
8191 (create_tree_ann): Rename to ...
8192 (create_tree_common_ann): ... this one; allocate only the common part
8194 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8195 (get_value_handle): Likewise.
8196 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8197 get_tree_common_ann.
8198 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8199 (vinfo_for_stmt): Use stmt annotations.
8200 * tree-flow.h (tree_ann_common_t): New type.
8201 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8202 (tree_ann, get_tree_ann, create_tree_ann): New.
8203 * tree-flow-inline.h (get_function_ann): Do more type checking.
8204 (stmt_ann): Likewise.
8205 (tree_ann): Rename to ...
8206 (tree_common_ann): ... this one; return ony common_ann
8207 (get_tree_ann): Rename to ...
8208 (tree_common_ann): This one; return only common_ann.
8209 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8212 2006-09-11 Geoffrey Keating <geoffk@apple.com>
8214 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8215 with_cpu by default.
8217 * dwarf2out.c (dwarf_file_data): New.
8218 (enum dw_val_class): Add dw_val_class_file.
8219 (struct dw_val_struct): Add val_file.
8220 (file_table): Change to a hash table.
8221 (file_table_emitted): Delete.
8222 (file_table_last_lookup_index): Delete.
8223 (emitcount): Delete.
8224 (last_emitted_file): New.
8225 (lookup_filename): Change prototype to return a struct dwarf_file_data.
8226 (init_file_table): Delete.
8227 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8228 (AT_addr): Add comment.
8232 (print_die): Handle dw_val_class_file.
8233 (print_dwarf_line_table): Update for new file table structure.
8234 (attr_checksum): Do checksum a filename.
8235 (same_dw_val_p, same_attr_p): Do compare a filename.
8236 (size_of_die): Handle dw_val_class_file.
8237 (value_format): Likewise.
8238 (output_die): Likewise. Also, call maybe_emit_file here.
8239 (struct file_info): Constify filenames. Make file_idx a pointer
8240 to a struct dwarf_file_data.
8241 (struct dir_info): Constify directory names. Remove 'used' field.
8242 (struct file_name_acquire_data): New.
8243 (file_name_acquire): New.
8244 (output_file_names): Modify to handle new file data structures.
8245 (add_src_coords_attributes): Use add_AT_file.
8246 (add_call_src_coords_attributes): Likewise.
8247 (dwarf2out_imported_module_or_decl): Likewise.
8248 (gen_subprogram_die): Modify for new file data structures.
8249 (gen_variable_die): Likewise.
8250 (file_table_eq): New.
8251 (file_table_hash): New.
8252 (file_table_last_lookup): New.
8253 (lookup_filename): Rewrite to handle new file data structures.
8254 (maybe_emit_file): Rewrite to handle new file data structures.
8255 (dwarf2out_source_line): Always call lookup_filename and
8257 (dwarf2out_init): Create file_table here.
8258 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8259 (file_table_relative_p): New.
8260 (dwarf2out_finish): Change detection of relative filenames
8261 to work with new file data structures. Move output_line_info call
8262 after debug_info output.
8264 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
8269 * config/i386/i386.c (override_options): Always default to 16
8270 byte stack boundary.
8272 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
8275 * var-tracking.c (dump_dataflow_set): Start dumping at
8277 (clobber_variable_part): Kill only the variable part in
8278 registers holding it, leaving other variables alone.
8280 2006-09-11 Josh Triplett <josh@freedesktop.org>
8282 * doc/extend.texi (Other Builtins): Actually use the macro
8283 argument in the documentation example for
8284 __builtin_types_compatible_p.
8286 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8288 PR rtl-optimization/28726
8289 * sched-deps.c (sched_analyze_reg): New function extracted from...
8290 (sched_analyze_1): ...here. Call it to analyze references to
8291 registers. Treat again writes to a stack register as writing to the
8293 (sched_analyze_2): ...and here. Call it to analyze references to
8294 registers. Treat again reads of a stack register as reading the
8297 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
8298 David Edelsohn <edelsohn@gnu.org>
8301 * config/rs6000/spe.md (frob_df_di): Remove %H.
8302 (frob_di_df): Remove %H. Change evmergelo to mr.
8303 (frob_di_df_2): Remove %H. Change evldd to two loads.
8305 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
8307 * doc/cpp.texi: Fix names of charset options.
8309 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
8312 * config/i386/i386.c (override_options): Use 128-bit
8313 stack boundary always for 64bits.
8315 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8317 PR rtl-optimization/28636
8318 * combine.c (force_to_mode): Test for side-effects before
8319 substituting by zero.
8320 (simplify_shift_const): Likewise for zero or other constants.
8322 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
8325 * builtins.c (expand_builtin_setjmp): Force next_lab to be
8328 2006-09-10 Richard Sandiford <richard@codesourcery.com>
8331 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
8332 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
8333 returned by mode_for_size, rather than the mode of src itself,
8334 to choose between 32-bit and 64-bit patterns.
8335 (mips_mem_fits_mode_p): New function.
8336 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
8337 that the size of the source matches the size of the destination.
8338 (mov_<store>l, mov_<store>r): Likewise.
8340 2006-09-10 Eric Christopher <echristo@apple.com>
8342 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
8345 2006-09-09 Eric Christopher <echristo@apple.com>
8348 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
8351 2006-09-09 Roger Sayle <roger@eyesopen.com>
8352 Nicolas Setton <setton@adacore.com>
8354 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
8356 2006-09-10 Andreas Schwab <schwab@suse.de>
8358 * config/m68k/m68k.md (bungt_rev): New pattern.
8360 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
8361 Dale Johannesen <dalej@apple.com>
8364 * regclass.c (struct reg_pref): Update documentation.
8365 (regclass): Set prefclass to NO_REGS if memory is the best option.
8366 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8368 2006-09-08 Eric Christopher <echristo@apple.com>
8370 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
8371 * config/t-slibgcc-darwin: Support x86_64 multilib.
8372 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
8373 Return 1 for x86_64-darwin.
8374 * config/i386/t-darwin: Add m64 multilib.
8375 (LIB2_SIDITI_CONV_FUNCS): Use.
8376 (LIB2FUNCS_EXTRA): Ditto.
8377 * config/i386/darwin.h: Support x86_64.
8378 * config/i386/i386.c (override_options): Turn on flag_pic
8379 for x86_64-darwin. Disable flag_omit_pointer.
8380 (get_pc_thunk_name): Assert !TARGET_64BIT.
8381 (legitimate_address_p): Disable machopic addressing for
8383 (legitimize_pic_address): Ditto.
8384 (ix86_expand_move): Ditto.
8385 (ix86_expand_call): Ditto.
8386 (machopic_output_stub): Ditto.
8387 * config/darwin.c (machopic_select_section): Support literal16.
8388 (machopic_select_rtx_section): Ditto.
8389 * config/darwin-sections.def: Ditto.
8390 * config/darwin-64.c: New.
8392 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
8395 * c-tree.h (struct c_arg_info): Add pending_sizes.
8396 * c-parser.c (c_parser_parms_declarator,
8397 c_parser_parms_list_declarator): Initialize pending_sizes.
8398 * c-decl.c (get_parm_info): Initialize pending_sizes.
8399 (get_parm_info): Set pending_sizes.
8400 (grokdeclarator): Call put_pending_sizes for parameters for
8401 function definition only.
8403 2006-09-07 Jason Merrill <jason@redhat.com>
8406 * varasm.c (output_constant): Only strip actual no-op conversions.
8409 * config/i386/i386.c (override_options): Use 128-bit
8410 stack boundary if -msse.
8412 2006-09-07 Eric Christopher <echristo@apple.com>
8414 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
8416 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8419 2006-09-07 Geoffrey Keating <geoffk@apple.com>
8421 * dwarf2out.c: Remove strange characters from comment above
8422 dwarf2out_frame_debug_expr.
8424 2006-09-07 Eric Christopher <echristo@apple.com>
8426 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
8427 * config/darwin.h: ... to here.
8429 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
8431 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8433 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8434 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8436 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8437 TARGET_PARTIAL_FLAG_REG_STALL.
8438 (*ashldi3_cconly_rex64): Likewise.
8439 (*ashlsi3_cmp): Likewise.
8440 (*ashlsi3_cconly): Likewise.
8441 (*ashlsi3_cmp_zext): Likewise.
8442 (*ashlhi3_cmp): Likewise.
8443 (*ashlhi3_cconly): Likewise.
8444 (*ashlqi3_cmp): Likewise.
8445 (*ashlqi3_cconly): Likewise.
8446 (*ashrdi3_cmp_rex64): Likewise.
8447 (*ashrdi3_cconly_rex64): Likewise.
8448 (*ashrsi3_cmp): Likewise.
8449 (*ashrsi3_cconly): Likewise.
8450 (*ashrsi3_cmp_zext): Likewise.
8451 (*ashrhi3_cmp): Likewise.
8452 (*ashrhi3_cconly): Likewise.
8453 (*ashrqi3_cmp): Likewise.
8454 (*ashrqi3_cconly): Likewise.
8455 (*lshrdi3_cmp_rex64): Likewise.
8456 (*lshrdi3_cconly_rex64): Likewise.
8457 (*lshrsi3_cmp): Likewise.
8458 (*lshrsi3_cconly): Likewise.
8459 (*lshrsi3_cmp_zext): Likewise.
8460 (*lshrhi3_cmp): Likewise.
8461 (*lshrhi3_cconly): Likewise.
8462 (*lshrqi2_cmp): Likewise.
8463 (*lshrqi2_cconly): Likewise.
8465 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8468 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8469 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8470 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8471 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8472 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8473 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8474 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8475 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8476 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8477 implement only CC setting effects of shift instructions.
8479 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8481 * doc/contrib.texi: Add myself.
8483 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8486 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8487 was set by the user.
8489 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8492 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8493 (divsi_inv_m1): Use them.
8494 (UNSPEC_DIV_INV_TABLE): New constant.
8496 2006-09-06 James E Wilson <wilson@specifix.com>
8499 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8500 then call count_or_remove_death_notes.
8502 2006-09-06 Jason Merrill <jason@redhat.com>
8505 * tree-inline.c (copy_result_decl_to_var): New fn.
8506 (declare_return_variable): Use it. Call declare_inline_vars here.
8507 (expand_call_inline): Not here.
8509 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8511 * doc/contrib.texi: Update my entry.
8513 2006-09-06 Nick Clifton <nickc@redhat.com>
8515 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8517 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8520 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8521 (canonicalize_induction_variables): Likewise.
8522 (tree_unroll_loops_completely): Likewise.
8523 (tree_ssa_prefetch_arrays): Likewise.
8524 (remove_empty_loops): Likewise.
8525 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8526 TODO_cleanup_cfg instead of directly calling
8527 cleanup_tree_cfg_loop.
8528 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8530 (tree_unroll_loops_completely): Likewise.
8531 (remove_empty_loops): Likewise.
8532 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8533 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8534 of tree_ssa_unswitch_loops.
8535 (tree_ssa_loop_ivcanon): Use the return value of
8536 canonicalize_induction_variables.
8537 (tree_ssa_empty_loop): Use the return value of
8539 (tree_complete_unroll): Use the return value of
8540 tree_unroll_loops_completely.
8541 (tree_ssa_loop_prefetch): Use the return value of
8542 tree_ssa_prefetch_arrays.
8543 * passes.c (execute_todo): Before Cleanup CFG, set
8544 updating_used_alone and after cleanup CFG, call
8545 recalculate_used_alone.
8547 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8550 * tree-vect-transform.c (vectorizable_condition): Move the check
8551 for the type after the check for simple condition.
8553 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8554 Kaz Kojima <kkojima@gcc.gnu.org>
8557 * mode-switching.c (optimize_mode_switching): Make the destination
8558 block of an abnormal edge have no anticipatable mode. Don't
8559 insert mode switching code at the end of the source block of
8562 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8564 PR rtl-optimization/26847
8565 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8566 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8567 (simplify_plus_minus): Count n_constants while filling ops. Replace
8568 qsort with insertion sort. Before going through the array to simplify
8569 pairs, sort it. Delay early exit until after the first sort, exiting
8570 only if no swaps occurred. Simplify pairs in reversed order, without
8571 special-casing the first iteration. Pack ops after simplifying pairs.
8573 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8575 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8576 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8577 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8578 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8580 2006-09-05 Richard Guenther <rguenther@suse.de>
8582 PR tree-optimization/28900
8583 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8584 compound conditional before creating COND_EXPR condition.
8586 2006-09-05 Richard Guenther <rguenther@suse.de>
8588 PR tree-optimization/28905
8589 * tree-vrp.c (fix_equivalence_set): Manually implement
8590 !value_ranges_intersect_p to also handle symbolic ranges.
8592 2006-09-05 Richard Guenther <rguenther@suse.de>
8595 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8598 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8600 PR rtl-optimization/27616
8601 * cse.c (table_size): New static variable.
8602 (new_basic_block): Initialize it to 0.
8603 (remove_from_table): Decrement it.
8604 (insert): Increment it.
8605 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8606 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8607 fold_rtx_mem_1 if under the cap.
8608 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8609 the lookup of the equivalent expression and test for equality of the
8610 first operand of the equivalent expression before in turn looking up
8611 an equivalent constant for the second operand.
8613 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8616 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8617 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8618 pointer, instead of assuming it is possible to derive the
8619 correct args size from a call insn.
8621 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8624 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8625 (fold_builtin_mempcpy): Rename to...
8626 (fold_builtin_memory_op): ... this. Optimize one element copy
8628 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8630 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8631 (expand_builtin_memcpy, expand_builtin_mempcpy,
8632 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8633 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8634 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8635 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8637 2006-09-01 DJ Delorie <dj@redhat.com>
8639 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8640 (stzx_16): Likewise.
8641 ("stzx_24_<mode>"): Likewise.
8642 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8643 ("cmp<mode>_op"): New.
8644 (cmp<mode>): Change to expander; just save operands.
8646 (b<code>): Change to expander, emit compare here.
8647 (s<code>_op): Change to use split and expander.
8648 (s<code>_24_op): Likewise.
8649 (s<code>_<mode>): New.
8650 (s<code>_<mode>_24): New.
8651 (movqicc_<code>_<mode): New.
8652 (movhicc_<code>_<mode>): New.
8655 * config/m32c/m32c.c (compare_op0, compare_op1): New.
8656 (m32c_pend_compare): New.
8657 (m32c_unpend_compare): New.
8658 (m32c_expand_scc): New.
8659 (m32c_expand_movcc): Emit the compare also.
8660 * config/m32c/predicates.md (mra_nopp_operand): New.
8662 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
8663 Richard Guenther <rguenther@suse.de>
8664 Adam Nemet <anemet@caviumnetworks.com>
8667 * builtins.c (get_pointer_alignment): Handle more forms
8668 of base addresses that can be used to derive more precise
8669 information about alignment.
8671 2006-09-01 Jason Merrill <jason@redhat.com>
8674 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
8677 * gimplify.c (voidify_wrapper_expr): Handle null type.
8679 2006-09-01 Josh Conner <jconner@apple.com>
8682 * tree-nrv.c (dest_safe_for_nrv_p): New function.
8683 (execute_return_slot_opt): Use it.
8685 2006-08-31 Josh Conner <jconner@apple.com>
8688 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
8689 returning aggregates.
8691 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
8693 PR tree-optimization/28839
8694 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
8695 blocks in that phi arguments appear.
8697 2006-08-31 Roger Sayle <roger@eyesopen.com>
8700 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
8701 NULL, otherwise use an advance_loc4 to adjust relative to the
8703 (output_cfi) <DW_CFA_set_loc>: Update the current label.
8704 (dwarf2out_switch_text_section): Reset the current label to avoid
8705 using advance_loc4 over section boundaries.
8707 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
8710 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
8711 r12 + SYMBOLIC_CONST.
8713 2006-08-30 Richard Guenther <rguenther@suse.de>
8715 * Makefile.in (see.o): Add $(EXPR_H) dependency.
8717 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
8719 PR rtl-optimization/27735
8720 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
8721 Add new argument to keep track of whether an irreducible region
8722 was affected. All callers changed.
8723 (fix_irreducible_loops): Removed.
8724 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
8725 flags were invalidated.
8727 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
8729 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
8730 instead of SF operands.
8731 (*fop_df_comm_sse): Likewise.
8732 (*fop_df_comm_i387): Likewise.
8733 (*fop_df_1_mixed): Likewise.
8734 (*fop_df_1_sse): Likewise.
8736 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
8737 J"orn Rennecke <joern.rennecke@st.com>
8739 PR tree-optimization/17506
8740 * tree-ssa.c (warn_uninit): If warning about a location outside of
8741 the current function, note where the variable was declared.
8743 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
8745 PR tree-optimization/28411
8746 * double-int.c (double_int_div): Use double_int_divmod.
8747 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
8748 double_int_mod, double_int_smod, double_int_umod): New functions.
8749 * double-int.h (double_int_divmod, double_int_sdivmod,
8750 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
8752 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
8754 (get_computation_aff, get_computation_cost_at): Handle double_int
8755 return type of constant_multiple_of.
8757 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
8760 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
8761 an implicit conversion.
8763 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
8765 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
8767 2006-08-27 Roger Sayle <roger@eyesopen.com>
8769 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
8772 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
8774 * config/i386/crtfastmath.c: Fix a comment typo.
8776 2006-08-26 Roger Sayle <roger@eyesopen.com>
8778 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
8779 temporary visit flags on CASE_LABEL_EXPRs.
8780 * c-common.c (match_case_to_enum): Add function comment. Avoid
8781 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
8782 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
8783 CASE_HIGH_SEEN for enumerated types. If the switch expression is
8784 a constant, only warn if that constant value isn't handled.
8786 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
8789 * input.h (restore_input_file_stack): Declare.
8790 (INPUT_FILE_STACK_BITS): Define.
8791 * toplev.c (fs_p, input_file_stack_history,
8792 input_file_stack_restored, restore_input_file_stack): New.
8793 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
8794 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
8795 (pop_srcloc): Don't free old state of stack.
8797 2006-08-26 David Edelsohn <edelsohn@gnu.org>
8800 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
8801 (PowerPC Type Attributes): New.
8803 2006-08-26 Bob Wilson <bob.wilson@acm.org>
8805 * config/xtensa/xtensa.c (function_arg_boundary): New.
8806 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
8808 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
8809 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
8811 2006-08-26 Jakub Jelinek <jakub@redhat.com>
8814 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
8817 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8819 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
8820 (verify_local_live_at_start): Likewise.
8822 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8825 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
8826 omp_add_variable): Treat sizes as variable whenever not
8829 2006-08-26 Richard Guenther <rguenther@suse.de>
8832 * fold-const.c (fold_binary): Fold temporary to correct
8833 type before constructing new comparison.
8835 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
8838 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
8839 variable again if DECL_SEEN_IN_BIND_EXPR_P.
8841 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8844 * c-decl.c (start_function): Don't try to process prototype
8845 information from old declaration that isn't a function.
8847 2006-08-25 Jan Hubicka <jh@suse.cz>
8850 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
8852 2006-08-25 Alan Modra <amodra@bigpond.net.au>
8855 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
8858 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
8860 PR tree-optimization/16876
8861 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
8862 exit if PARM doesn't match VALUE.
8864 2006-08-25 Bob Wilson <bob.wilson@acm.org>
8866 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
8867 literal_prefix directive.
8868 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
8869 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8870 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
8872 2006-08-25 David Edelsohn <edelsohn@gnu.org>
8875 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
8876 predicate to general_operand. Add 0->y and I->r alternatives.
8878 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
8880 * doc/tm.texi: Fix a typo.
8881 * predict.c: Fix comment typos.
8883 2006-08-25 Nick Clifton <nickc@redhat.com>
8885 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
8886 assertions of "cpu" and "machine".
8888 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
8891 * tree-ssa-operands.c (access_can_touch_variable): Don't say
8892 the access through a base which has an alias set of 0 cannot
8895 2006-08-24 Bill Wendling <wendling@apple.com>
8897 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
8899 2006-08-24 Jan Hubicka <jh@suse.cz>
8901 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
8903 2006-08-24 Jan Hubicka <jh@suse.cz>
8906 * cgraph.c: Fix comments.
8907 (cgraph_varpool_mark_needed_node): Mark only variables not already
8909 * cgraphunit.c: Update comments; include gt-cgraphunit.h
8910 (cgraph_varpool_assembled_nodes_queue): New static variable.
8911 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
8912 (cgraph_varpool_output_debug_info): New function.
8913 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
8914 * Makefile.in: Add gt-cgraphunit.h
8916 2006-08-24 Jan Hubicka <jh@suse.cz>
8918 * predict.c (probability_reliable_p): New predicate.
8919 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
8920 (predict_loops): Do not predict loop exit with less than 2%
8922 * basic-block.h (edge_probability_reliable_p,
8923 br_prob_note_reliable_p): Declare.
8924 * ia64.h (ia64_print_operand): Do not disable on-chip branch
8925 prediction when static predictor is not reliable.
8926 * rs6000.c (output_cbranch): Likewise.
8928 2006-08-23 Stuart Hastings <stuart@apple.com>
8931 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
8932 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
8934 2006-08-21 Geoffrey Keating <geoffk@apple.com>
8937 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
8938 complex values, nor for generic vector values.
8940 2006-08-22 Richard Guenther <rguenther@suse.de>
8943 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
8944 parameter. Convert arguments to arithmetic expression to the
8946 (analyze_scalar_evolution_1): Adjust caller.
8948 2006-08-22 Jan Hubicka <jh@suse.cz>
8950 Patch by Paolo Bonzini
8951 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
8954 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
8956 PR tree-optimization/28003
8957 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
8958 before grouping aliases.
8960 2006-08-22 Roger Sayle <roger@eyesopen.com>
8962 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
8963 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
8965 2006-08-21 Jason Merrill <jason@redhat.com>
8968 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
8969 wrapper. Loop to handle nested wrappers.
8970 (gimplify_bind_expr): Remove temp parameter.
8971 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
8972 and STATEMENT_LIST on the rhs.
8973 (gimplify_statement_list): Voidify the STATEMENT_LIST.
8974 (gimplify_expr): Pass pre_p to gimplify_statement_list.
8975 (gimplify_target_expr): Remove special BIND_EXPR handling.
8977 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
8979 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
8982 2006-08-21 Olivier Hainque <hainque@adacore.com>
8984 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
8985 Arrange for the temporary captures of components overlapping the lhs
8986 to happen before the lhs is possibly cleared.
8988 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
8990 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
8991 necessary places to pass the correct "number of registers" values
8994 2006-08-20 Jan Hubicka <jh@suse.cz>
8996 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
8997 (create_name_tags): Instead of quadratic checking use hashtable.
8998 * bitmap.h: Include hashtab.h.
8999 (bitmap_hash): Declare.
9000 * bitmap.c (bitmap_hash): New function.
9002 2006-08-20 Jan Hubicka <jh@suse.cz>
9004 PR rtl-optimization/28071
9005 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
9007 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
9008 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
9009 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
9010 cgraph_decide_inlining_incrementally): Update use of
9011 cgraph_check_inline_limits.
9012 * cgraph.c (edge_hash, edge_eq): New function.
9013 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
9014 cgraph_edge_remove_caller, cgraph_node_remove_callees,
9015 cgraph_remove_node): Maintain call site hash.
9016 * cgraph.h (struct cgraph_node): Add call_site_hash.
9017 (cgraph_set_call_stmt): New function.
9019 2006-08-20 Jan Hubicka <jh@suse.cz>
9021 PR rtl-optimization/28071
9022 * reload1.c (reg_has_output_reload): Turn into regset.
9023 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
9024 choose_reload_regs, emit_reload_insns): Update to new
9025 reg_has_output_reload.
9027 2006-08-20 Jan Hubicka <jh@suse.cz>
9030 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
9031 function body sizes.
9032 * cgraphunit.c (cgraph_analyze_function): Don't do so.
9034 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
9037 * tree.c (handle_dll_attribute): Return early if not a
9038 var or function decl.
9040 2006-08-18 Joseph Myers <joseph@codesourcery.com>
9043 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
9044 alignment of SPE vector types.
9046 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
9048 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
9050 2006-08-17 Jakub Jelinek <jakub@redhat.com>
9053 * cgraph.h (struct cgraph_node): Remove externally_visible
9055 * cgraphunit.c (process_function_and_variable_attributes): Set
9056 local.externally_visible rather than externally_visible.
9059 * c-common.c (handle_externally_visible_attribute): First look
9060 at TREE_CODE and only if it is function or var decl, check for
9061 non-public objects. Don't warn for DECL_EXTERNAL.
9062 * cgraphunit.c (process_function_and_variable_attributes): Warn
9063 if externally_visible attribute is used on non-public object.
9065 2006-08-17 Jan Hubicka <jh@suse.cz>
9067 PR tree-optimization/27865
9068 * reload1.c (forget_marked_reloads): New function.
9069 (forget_old_reloads_1): When data are passed, just mark the registers
9071 (reload_as_needed): Use the new mechanizm.
9073 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
9076 * reload.h (reg_equiv_alt_mem_list): New declaration.
9077 * reload1.c (reg_equiv_alt_mem_list): New definition.
9078 (reload): Initialize it and release it.
9079 (delete_output_reload): Use it.
9080 * reload.c (push_reg_equiv_alt_mem): New function.
9081 (find_reloads_toplev): Call it.
9082 (find_reloads_address, find_reloads_address_1): Likewise.
9083 (find_reloads_subreg_address): Likewise.
9085 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9087 PR rtl-optimization/28489
9088 * sched-ebb.c (begin_schedule_ready): Create basic block
9090 (advance_target_bb): Skip empty blocks.
9091 * haifa-sched.c (bb_note): Make global.
9092 * sched-int.h (bb_note): Add prototype.
9094 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9096 PR tree-optimization/27865
9097 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
9099 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
9100 fold_used_pointer, pointer_used_p): New functions.
9101 (analyze_scalar_evolution_1): Use fold_used_pointer.
9102 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
9103 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
9106 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
9109 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
9110 or the INTEGER_CST. Fail on a CALL_EXPR.
9111 (fold_offsetof): Pass new argument to fold_offsetof_1.
9112 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
9113 operand into an INDIRECT_REF.
9114 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
9116 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9118 PR gcov/profile/26570
9119 * value-prof.c (static_values): Removed.
9120 (tree_find_values_to_profile): Do not set static_values.
9121 (find_values_to_profile): Do not free static_values.
9122 * profile.c (instrument_values): Do not free the values.
9123 (branch_prob): Free the values.
9125 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
9127 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
9129 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
9132 * c-typeck.c (build_component_ref): Combine qualifiers of
9133 structure or union and field.
9135 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9137 PR rtl-optimization/28071
9138 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
9139 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
9140 * tree-into-ssa.c (struct dom_dfsnum): New.
9141 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9143 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
9144 compute_global_livein.
9145 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
9146 in phi nodes in the correct blocks.
9148 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9150 PR tree-optimization/28364
9151 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9153 (fold_affine_expr): New function.
9154 (may_eliminate_iv): Use fold_affine_expr.
9156 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9159 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9162 2006-08-16 Mike Stump <mrs@apple.com>
9164 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9165 * doc/cppopts.texi (-MD): Likewise.
9167 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
9170 * c-common.c (handle_weak_attribute): Ignore and warn if
9171 not a FUNCTION_ or VAR_DECL.
9173 2006-07-15 Mike Stump <mrs@apple.com>
9176 * c-parser.c (c_parser_typeof_specifier): Don't use
9177 c_finish_expr_stmt, open code desired semantics instead.
9179 2006-08-15 Nick Clifton <nickc@redhat.com>
9181 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9182 fragment to tmake_file only if threads are enabled.
9183 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9184 * config/i386/t-gthr-win32: New file. ... here.
9186 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9189 * c-parser.c (c_parser_compound_statement_nostart): Reset
9190 parser->error after each statement.
9192 2006-08-15 Jakub Jelinek <jakub@redhat.com>
9195 * omp-low.c (lower_omp_parallel): Convert t to
9196 receiver_decl's type.
9197 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9198 source before comparison.
9201 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9202 to itype in assignment to oldival2.
9204 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
9208 * c-typeck.c (build_compound_expr): If the second expression
9209 is an error mark, then just return an error mark instead of
9210 creating a COMPOUND_EXPR.
9212 2006-07-14 Mike Stump <mrs@apple.com>
9214 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9216 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
9218 * c-decl.c, var-tracking.c: Fix comment typos.
9220 2006-08-14 Richard Sandiford <richard@codesourcery.com>
9222 PR rtl-optimization/28634
9223 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9224 for floating-point modes unless flag_unsafe_math_optimizations.
9226 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
9227 Andrew Pinski <pinskia@physics.uc.edu>
9230 * tree.c (build_array_type): Unify array types with
9231 unspecified index_type.
9232 * c-decl.c (grokdeclarator): Make sure we do not modify a
9233 unified incomplete array type.
9234 * c-typeck.c (store_init_value): Create distinct type before
9235 filling in the index type in an initializer from a compound
9238 * c-decl.c (grokdeclarator): Remove code where we copy the
9241 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
9243 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9244 into account for TODO_dump_cgraph.
9245 (TODO_update_ssa_no_phi): Likewise.
9246 (TODO_update_ssa_full_phi): Likewise.
9247 (TODO_update_ssa_only_virtuals): Likewise.
9248 (TODO_remove_unused_locals): Likewise.
9249 (TODO_set_props): Likewise.
9250 (TODO_update_stmt_usage): Likewise.
9252 2006-08-13 Dirk Mueller <dmueller@suse.de>
9254 * c-common.c (strict_aliasing_warning): Fix formatting.
9256 2006-08-13 Matthias Klose <doko@debian.org>
9258 * doc/invoke.texi: Fix spelling errors.
9260 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9262 PR rtl-optimization/23454
9263 * reorg.c (relax_delay_slots): Update comment.
9265 2006-08-11 Richard Guenther <rguenther@suse.de>
9268 * simplify-rtx.c (simplify_const_relational_operation):
9269 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9272 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
9274 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9275 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9277 2006-08-10 Paul Brook <paul@codesourcery.com>
9279 * final.c (final_scan_insn): Clear current_insn_predicate before
9280 outputting inline asm.
9282 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
9284 PR tree-optimization/26197
9285 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
9286 get_ref_base_and_extent and overlap_subvar to add only relevant
9287 subvars as may-aliases.
9288 (add_may_alias_for_new_tag): New function, factored out of
9290 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
9291 with additional argument.
9292 * tree-flow.h (new_type_alias): Takes additional argument.
9294 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
9296 * gcov.c (no_data_file): New flag.
9297 (read_count_file): Set it if data file not present. Assume counts
9299 (output_lines): Don't name the data file, if there wasn't one.
9301 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
9303 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
9304 (rs6000_generate_compare): Tweak comments.
9305 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
9307 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
9309 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
9310 (var_debug_decl): New function.
9311 (var_reg_set): Follow debug decl link. Add location even if
9312 reg is already known to hold some other variable.
9313 (var_mem_set): Follow debug decl link.
9314 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
9315 decl link. Delete other known locations of the variable part
9317 (var_reg_delete, var_mem_delete): Delete other known locations
9318 of the variable part if requested.
9319 (same_variable_part_p): New function.
9320 (add_stores): Select MO_COPY when appropriate.
9321 (vt_initialize): Handle it.
9322 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
9323 known locations for MO_SET and MO_CLOBBER.
9324 (find_variable_location_part): New function.
9325 (set_variable_part, delete_variable_part): Use it.
9326 (clobber_variable_part): New function.
9327 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
9330 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
9332 PR tree-optimization/26969
9333 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
9334 with an empty list of PHIs.
9336 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
9340 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9343 2006-08-06 Andreas Schwab <schwab@suse.de>
9345 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
9346 string. Whitespace and comment fixup.
9348 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9351 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
9355 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
9358 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9360 2006-08-04 Jan Hubicka <jh@suse.cz>
9364 * reload.c (push_reload): Patch out the mismatching instruction;
9366 (find_reload): Bail out if the instruction was patched out.
9368 2006-08-04 Jan Hubicka <jh@suse.cz>
9370 PR tree-optimization/24888
9371 * tree-inline.c (expand_call_inline): Do not re-record variables.
9372 (declare_inline_vars): Add variable to unexpanded_var_list.
9374 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9375 Roger Sayle <roger@eyesopen.com>
9377 PR rtl-optimization/26244
9378 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
9379 inner_const are negative or greater than or equal to the bitsize of
9380 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
9381 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
9382 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
9383 CONST0_RTX (mode) when the new shift count is greater than or equal to
9384 to the bitsize of the object being shifted and XEXP (y, 0) has no side
9387 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
9389 * tree-cfg.c: Fix a comment typo.
9391 2006-08-03 Mark Mitchell <mark@codesourcery.com>
9394 * varasm.c (output_constant): Give the front end another chance to
9395 expand constants, after stripping NOPs.
9397 2006-08-03 Jan Hubicka <jh@suse.cz>
9399 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
9402 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
9404 PR tree-optimization/27770
9405 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
9406 declaration removed (moved to tree-flow.h).
9407 (vect_can_force_dr_alignment_p): Likewise.
9408 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
9409 (moved from tree-vectorizer.h).
9410 (vect_can_force_dr_alignment_p): Likewise.
9411 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
9412 from outside the vectorizer - in particular from cgraph stage.
9413 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
9414 the alignment of global arrays when -fsection-anchors is enabled.
9415 * cgraphunit.c (cgraph_increase_alignment): New function.
9416 (cgraph_optimize): Call cgraph_increase_alignment.
9418 2006-08-03 David Edelsohn <edelsohn@gnu.org>
9421 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
9422 not reload a SPE symbol_ref into a lo_sum address.
9424 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
9427 * dwarf2out.c (prune_unused_types_prune): Move call to
9428 prune_unused_types_update_strings to cover the parent DIE also.
9430 2006-08-02 Jan Hubicka <jh@suse.cz>
9432 PR gcov/profile/28480
9433 * tree-cfg.c (change_bb_for_stmt): New function.
9434 (tree_merge_blocks, tree_split_blocks): Use it.
9436 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9442 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9443 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9444 (cgraph_optimize): Likewise.
9446 2006-08-01 Stuart Hastings <stuart@apple.com>
9448 * rtl.h (UINTVAL) New.
9449 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9450 * testsuite/gcc.dg/20060801-1.c: New.
9452 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9455 * c-typeck.c (build_external_type): Mark used enum types.
9456 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9458 (gen_subprogram_die): Whitespace fix.
9460 2006-08-01 Jan Hubicka <jh@suse.cz>
9462 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9463 bitmap when not needed.
9464 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9467 2006-08-01 Dirk Mueller <dmueller@suse.de>
9469 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9471 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9473 * Makefile.in: Revert part of previous patch:
9474 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9477 2006-07-30 Eric Christopher <echristo@apple.com>
9480 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9481 (PowerPC Variable Attributes): New section.
9483 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9485 PR target/28126 (partial fix)
9486 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9488 2006-07-28 Jan Hubicka <jh@suse.cz>
9490 PR rtl-optimization/28071
9491 * cfgrtl.c (rtl_delete_block): Free regsets.
9492 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9494 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9496 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9497 and variables used in dependencies.
9499 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9501 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9502 %fs for -mcmodel=kernel.
9503 (stack_tls_protect_test_di): Likewise.
9505 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9507 * Makefile.in: Use mkinstalldirs.
9509 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9512 * opts-common.c (prune_options): Skip joined switches.
9514 2006-07-27 Jan Hubicka <jh@suse.cz>
9516 PR rtl-optimization/28071
9517 * cselib.c (cselib_process_insn): Don't remove useless values too
9518 often for very large hashtables.
9520 2006-07-27 Jan Hubicka <jh@suse.cz>
9522 PR rtl-optimization/28071
9523 * global.c (greg_obstack): New obstack.
9524 (allocate_bb_info): Use it.
9525 (free_bb_info): Likewise.
9526 (modify_reg_pav): Likewise.
9528 2006-07-27 Roger Sayle <roger@eyesopen.com>
9530 * builtins.c (fold_fixed_mathfn): When long and long long are the
9531 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9532 functions to their lceil*, lfloor*, lround* and lrint* forms.
9534 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9537 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9539 (rev_branch_insn): Likewise.
9541 2006-07-27 Jan Hubicka <jh@suse.cz>
9543 PR rtl-optimization/28071
9544 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9545 (reg_set_in_bb, max_reg_computed): New static variables.
9546 (regmove_optimize): Free the new array.
9547 (fixup_match_1): Update call of reg_is_remote_constant_p.
9549 2006-07-26 Jan Hubicka <jh@suse.cz>
9551 PR tree-optimization/27882
9552 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9554 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9556 (cgraph_analyze_compilation_unit): Likewise.
9557 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9558 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9559 (cgraph_early_inlinine): Make order garbage collected.
9560 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9562 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9564 * dbxout.c (output_types_sort): Add a comment.
9565 (output_used_types): Free the VEC.
9567 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9569 * function.c (reorder_fix_fragments): Delete.
9570 (reorder_blocks): Don't call it.
9571 (reorder_blocks_1): Put all subblocks under the origin block.
9573 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9575 PR rtl-optimization/27907
9576 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9579 2006-07-25 Roger Sayle <roger@eyesopen.com>
9582 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9583 bar(x) check that bar's result type can represent all the values of T.
9585 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9587 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9589 2006-07-25 Nick Clifton <nickc@redhat.com>
9591 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9592 size_lookup[] array.
9593 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9594 (ggc_pch_count_object): Likewise.
9595 (ggc_pch_alloc_object): Likewise.
9596 (ggc_pch_write_object): Likewise.
9597 (init_ggc): Do not attempt to initialize entries in the
9598 size_lookup[] array for objects whose size is greater than than
9599 the length of the array.
9601 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9603 * dbxout.c (output_used_types_helper): Push queued types
9605 (output_types_sort): New.
9606 (output_used_types): Collect used types on a VEC and sort them
9609 2006-07-24 Richard Guenther <rguenther@suse.de>
9612 * cgraph.c (cgraph_remove_node): Do not check if dumps
9614 * cgraphunit.c (cgraph_optimize): Likewise.
9616 2006-07-24 Jan Hubicka <jh@suse.cz>
9618 PR rtl-optimization/28071
9619 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9620 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9621 splitting before first stmt.
9623 2006-07-24 Jan Hubicka <jh@suse.cz>
9625 PR rtl-optimization/28071
9626 * ipa-inline.c (update_caller_keys): Remove edges that
9627 are no longer inline candidates.
9629 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9632 * dbxout.c (output_used_types_helper, output_used_types): New.
9633 (dbxout_symbol): Call output_used_types.
9635 2006-07-23 Jan Hubicka <jh@suse.cz>
9639 * cgraph.c (cgraph_varpool_nodes): Export.
9640 (decide_is_variable_needed): Ignored "used" attribute in
9641 unit-at-a-time mode.
9642 * cgraph.h (cgraph_varpool_nodes): Declare.
9643 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
9644 unit-at-a-time mode.
9646 2006-07-23 Roger Sayle <roger@eyesopen.com>
9649 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
9650 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
9651 the __gthrw form of thr_keycreate.
9652 (__gthread_key_delete): Silence the unused argument warning.
9654 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
9657 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
9658 Cache the last found '\0' marker to avoid quadratic behavior.
9660 2006-07-23 Jan Hubicka <jh@suse.cz>
9662 * i386.md (subsi_3_zext): Fix output template.
9664 2006-07-21 Mike Stump <mrs@apple.com>
9666 * doc/invoke.texi (C++ Dialect Options): Note that
9667 -fvisibility-inlines-hidden doesn't affect explicitly
9668 instantiationed inline methods.
9670 2006-07-20 Roger Sayle <roger@eyesopen.com>
9672 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
9673 if the target assembler is GNU binutils' gas.
9674 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
9675 whether to pass GNU gas or native as command line options.
9677 2006-07-20 Jason Merrill <jason@redhat.com>
9679 * tree.c (remove_attribute): New fn.
9680 * tree.h: Declare it.
9682 2006-07-20 Paul Brook <paul@codesourcery.com>
9685 * cse.c (cse_insn): Add destination addresses to hash table. Check if
9686 they are invalidated by this instruction.
9688 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
9691 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
9693 2006-07-20 Eric Christopher <echristo@apple.com>
9696 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
9698 2006-07-19 Eric Christopher <echristo@apple.com>
9700 * config/t-slibgcc-darwin (stmp-lipo): Remove.
9701 Rewrite dependencies for libgcc_s.1.dylib.
9703 2006-07-19 Jakub Jelinek <jakub@redhat.com>
9705 * except.c (duplicate_eh_regions_1): Clear next_peer.
9707 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
9709 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
9710 -mlongcall does not guarantee all calls will be long.
9711 * doc/extend.texi (long_call/short_call): Document that longcall
9712 does not guarantee a long call will be used.
9713 (longcall/shortcall): Likewise.
9715 2006-07-18 Roger Sayle <roger@eyesopen.com>
9718 * expmed.c (expand_shift): Additionally check that the shift_cost
9719 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
9720 before implementing a LSHIFT_EXPR as a sequence of additions.
9721 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
9722 middle-end that DImode shifts need to be synthesized by expand.
9724 2006-07-18 Diego Novillo <dnovillo@redhat.com>
9727 * tree-ssa-operands.c (access_can_touch_variable): Update
9729 Return true if ALIAS is .GLOBAL_VAR.
9731 2006-07-18 David Daney <ddaney@avtrex.com>
9733 * gcc.c (display_help): Fix typo in help text.
9735 2006-07-18 Olivier Hainque <hainque@adacore.com>
9737 * tree.h (categorize_ctor_elements): Adjust prototype and add
9738 descriptive comment, both in accordance with the interface change
9740 * varasm.c (constructor_static_from_elts_p): New function.
9741 Whether a constructor node is a valid static constant initializer
9742 if all its elements are.
9743 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
9744 * output.h: Declare it.
9745 * expr.c (categorize_ctor_elements_1): Return whether the constructor
9746 is a valid constant initializer instead of computing the number of
9747 non-constant elements. Use constructor_static_from_elts_p for this
9748 purpose. Replace the head comment with an indication that this is a
9749 helper for categorize_ctor_elements.
9750 (categorize_ctor_elements): Same interface change as for the _1
9751 helper. Former head comment from this helper moved here, adjusted to
9752 account for the interface changes.
9753 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
9754 (all_zeros_p): Likewise.
9755 * gimplify.c (gimplify_init_constructor): Decide whether we can make
9756 static versions of the constructor from the categorize_ctor_elements
9757 return value instead of the formerly computed number of non-constant
9760 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
9762 * configure: Regenerate.
9763 * Makefile.in (build_libsubdir): New configure substitution
9764 (build_libobjdir): New variable.
9765 (BUILD_LIBIBERTY): Use it.
9767 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9770 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
9772 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
9775 * c-common.c (handle_weakref_attribute): Ignore attribute in
9776 the same conditions the alias attribute is ignored.
9778 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
9780 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
9781 (dbxout_begin_prologue): Increment scope_labelno.
9783 2006-07-17 Richard Henderson <rth@redhat.com>
9786 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
9789 2006-07-17 Roger Sayle <roger@eyesopen.com>
9790 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9792 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
9793 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
9794 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
9795 functions such as sbrk, write, etc.. Add function prototypes.
9796 Convert function declarations from K&R to ISO C. Cast pointers
9797 to "long" and "unsigned long" instead of "int" and "unsigned int".
9798 Convert tokens following #endif into comments.
9800 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
9802 * invoke.texi: Remove mention of f77; Reformat table for
9803 inline parameter options correctly; mention that -malign-double
9804 is default on x86-64 targets.
9806 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
9808 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
9809 (convert_affine_scev, chrec_convert_aggressive): Use
9810 avoid_arithmetics_in_type_p. Do not check for the subtypes
9813 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9816 * optabs.c (expand_doubleword_shift): Wrap the call to
9817 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
9819 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9822 * optabs.c (expand_binop): Pass next_methods rather than methods
9823 to expand_doubleword_shift.
9825 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
9828 * tree.h (dump_addr): Declare.
9829 * print-tree.c (dump_addr): New function.
9830 (print_node_brief, print_node): Use it.
9831 * print-rtl.c (print_rtx): Likewise.
9832 * common.opt (-fdump-noaddr): New option.
9833 * doc/invoke.texi (-fdump-noaddr): Document.
9834 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
9835 (ve_info_hash): Likewise.
9837 2006-07-13 Andrew Haley <aph@redhat.com>
9839 PR tree-optimization/19505
9840 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
9841 edge leaving this block, make sure that the destination of this
9842 block has only one predecessor.
9844 2006-07-17 Richard Guenther <rguenther@suse.de>
9846 PR tree-optimization/28238
9847 * tree-inline.c (copy_bb): Check if we produced valid
9848 gimple copying and substituting a stmt. If not, gimplify
9851 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
9853 * optabs.c (maybe_encapsulate_block): New function extracted from...
9854 (emit_libcall_block): ...here. Invoke it on the block of insns to
9855 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
9856 (emit_no_conflict_block): Likewise.
9858 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9860 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
9862 2006-07-15 Roger Sayle <roger@eyesopen.com>
9864 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
9865 a new NOP_EXPR case of the switch statement.
9867 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
9870 * stor-layout.c (place_field): Take the bit field with
9871 an excessive size into account in the ms-bitfiled case.
9874 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
9875 the previous bit field.
9877 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
9880 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
9882 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
9884 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
9885 signal frames correctly even when the signal was installed with
9888 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
9890 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
9891 (dbxout_function_end): Use local label LFBB. Remove hook
9893 (dbxout_source_line): Use local label LFBB.
9894 (dbxout_block): Likewise.
9895 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
9896 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
9897 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
9898 and DBX_OUTPUT_NFUN.
9900 2006-07-13 Janis Johnson <janis187@us.ibm.com>
9902 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
9904 2006-07-13 Jan Hubicka <jh@suse.cz>
9906 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
9908 * output.h (align_variable): Declare.
9909 * varasm.c (align_variable): Export.
9910 * value-prof.c (tree_value_profile_transformations): Recompute iterator
9911 when basic block changed.
9913 2006-07-13 Nick Clifton <nickc@redhat.com>
9915 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
9916 walking the LOG_LINKS chain.
9918 2006-07-12 Geoffrey Keating <geoffk@apple.com>
9920 * doc/invoke.texi (C++ Dialect Options): Explain difference
9921 between -fvisibility-inlines-hidden and setting hidden
9922 visibility explicitly.
9924 2006-07-12 Eric Christopher <echristo@apple.com>
9926 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
9927 (stmp-lipo): Depend on libgcc.a.
9929 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
9931 * tree.c: Fix a comment typo.
9933 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
9935 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
9937 (umulhisi3_r): Likewise.
9939 2006-07-12 Paolo Carlini <pcarlini@suse.de>
9942 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
9943 x < 19, vs wchar_t support.
9945 2006-07-12 Nick Clifton <nickc@redhat.com>
9947 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
9948 instead of -isa=sh4.
9950 2006-07-12 Mike Stump <mrs@apple.com>
9952 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
9954 2006-07-10 Eric Christopher <echristo@apple.com>
9956 * config/t-slibgcc-darwin: Rewrite.
9958 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
9961 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
9964 2006-07-08 Matthias Klose <doko@debian.org>
9966 * doc/sourcebuild.texi: Fix typo.
9968 2006-07-07 Mike Stump <mrs@apple.com>
9970 * toplev.c (process_options): Don't give -ffunction-sections may
9971 affect debugging warning for Mach-O.
9973 2006-07-07 James E Wilson <wilson@specifix.com>
9975 * config/mips/mips.md (cpu): Add sb1a.
9976 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
9977 addition to sb1. Adjust comments to clarify SB-1A differences from
9979 (ir_sb1a_load): New. Modify bypasses to use it.
9980 (ir_sb1a_simple_alu): Likewise.
9981 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
9982 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
9983 (mips_issue_rate): Add PROCESSOR_SB1A.
9984 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
9985 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
9986 (TARGET_SB1): Add PROCESSOR_SB1A check.
9987 (TUNE_SB1): Likewise.
9989 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
9990 * config/mips/mips.c (mips_store_data_bypass_p): New.
9991 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
9992 store_data_bypass_p.
9994 2006-07-08 Paul Brook <paul@codesourcery.com>
9997 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
9999 2006-07-07 Richard Guenther <rguenther@suse.de>
10001 PR middle-end/28268
10002 * tree.h (build_one_cst): Declare.
10003 * tree.c (build_one_cst): New function.
10004 * tree-ssa-math-opts.c (get_constant_one): Remove.
10005 (insert_reciprocals): Use build_one_cst.
10006 * fold-const.c (fold_plusminus_mult): Likewise.
10008 2006-07-07 Roger Sayle <roger@eyesopen.com>
10010 * pointer-set.c (pointer_set_destroy): Correct whitespace.
10011 * cfgloopanal.c (dump_graph): Likewise.
10012 * dojump.c (discard_pending_stack_adjust): Likewise.
10013 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
10015 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
10016 * function.c (finalize_block_changes): Likewise.
10017 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
10018 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
10019 * rtl.c (dump_rtx_statistics): Likewise.
10020 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
10022 * varray.c (dump_varray_statistics): Likewise.
10023 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
10024 decode_decimal64, encode_decimal128, decode_decimal128,
10025 decimal_real_to_decimal): Likewise.
10027 2006-07-07 Richard Guenther <rguenther@suse.de>
10029 PR tree-optimization/28187
10030 * tree-vrp.c (vrp_operand_equal_p): New function.
10031 (vrp_bitmap_equal_p): Likewise.
10032 (update_value_range): Use them to compare old and new
10033 max and min values.
10035 2006-07-06 Roger Sayle <roger@eyesopen.com>
10037 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
10038 a default case to switch statement to silence compiler warnings.
10040 2006-07-06 Roger Sayle <roger@eyesopen.com>
10043 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
10044 the configured assembler supports the x87's ffreep mnemonic.
10045 * configure: Regenerate.
10046 * config.in: Regenerate.
10048 * config/i386/i386.c (output_387_ffreep): New function.
10049 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
10050 (output_387_reg_move): Likewise.
10052 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
10054 Port to hosts whose 'sort' and 'tail' implementations
10055 treat operands with leading '+' as file names, as POSIX
10056 has required since 2001. However, make sure the code still
10057 works on pre-POSIX hosts.
10058 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
10059 which says you should use "tail -c +N" rather than "tail +Nc".
10060 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
10062 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
10064 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
10067 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10070 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
10071 PRE_{INC,DEC} of TFmode.
10073 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10074 Alan Modra <amodra@bigpond.net.au>
10077 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
10080 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10083 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
10084 Remove duplicate gtu.
10086 2006-07-05 Jason Merrill <jason@redhat.com>
10090 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
10091 * c-common.c (handle_packed_attribute): So don't copy it here.
10092 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
10094 2006-07-05 Mike Stump <mrs@apple.com>
10096 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
10098 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
10101 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10103 2006-07-05 Richard Guenther <rguenther@suse.de>
10106 * config/i386/i386.md (*negdf2_1): Restrict pattern to
10107 TARGET_SSE2 targets if using SSE math.
10108 (*absdf2_1): Likewise.
10110 2006-07-05 Richard Guenther <rguenther@suse.de>
10112 PR tree-optimization/28162
10113 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
10114 make sure to convert the operands to the correct type.
10116 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
10118 PR tree-optimization/28218
10120 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
10121 to calculate and free the dominator information.
10123 2006-07-04 Peter O'Gorman <peter@pogma.com>
10125 * mklibgcc.in: chmod 644 before ranlib during install.
10127 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
10128 J"orn Rennecke <joern.rennecke@st.com>
10130 * configure.ac (.eh_frame data check): Use diff -b.
10132 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
10135 * Makefile.in (BUILD_RTL): Add build/vec.o.
10136 (build/gencondmd.o): Filter out -fkeep-inline-functions.
10137 (build/genextract): Delete.
10138 (build/genautomata): Likewise.
10140 2006-07-04 Alan Modra <amodra@bigpond.net.au>
10143 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
10144 128-bit IBM long doubles for ABI_V4.
10146 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
10148 * tree.c (range_in_array_bounds_p): New predicate.
10149 * tree.h (range_in_array_bounds_p): Declare it.
10150 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
10151 return a less conservative answer.
10152 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10153 and flag 'is_group'.
10154 (IS_ELEMENT_FOR_GROUP): New macro.
10155 (FOR_EACH_ACTUAL_CHILD): Likewise.
10156 (next_child_for_group): New helper function.
10157 (can_completely_scalarize_p): Take into account groups.
10158 (sra_hash_tree): Handle RANGE_EXPR.
10159 (sra_elt_eq): Likewise.
10160 (lookup_element): Be prepared for handling groups.
10161 (is_valid_const_index): Delete.
10162 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
10163 instead of is_valid_const_index.
10164 <ARRAY_RANGE_REF>: New case.
10165 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
10166 is_valid_const_index.
10167 <ARRAY_RANGE_REF>: Do not unconditionally punt.
10168 (scan_dump): Dump info for groups too.
10169 (decide_instantiation_1): Likewise.
10170 (decide_block_copy): Assert that the element is not a group.
10171 Propagate decision to groups.
10172 (generate_one_element_ref): Handle RANGE_EXPR.
10173 (mark_no_warning): Iterate over actual childs.
10174 (generate_copy_inout): Likewise.
10175 (generate_element_copy): Likewise.
10176 (generate_element_zero): Likewise.
10177 (generate_element_init_1): Likewise.
10178 (dump_sra_elt_name): Handle RANGE_EXPR.
10180 2006-07-03 Roger Sayle <roger@eyesopen.com>
10182 PR tree-optimization/26251
10183 * tree-ssa-threadupdate.c (redirection_block_p): New function.
10184 (thread_block): When optimizing for size refuse to thread jumps
10185 that would require duplication of blocks other than redirection
10188 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10190 * configure.ac: Fix thinko in previous check-in.
10191 * configure: Regenerate.
10193 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10196 * configure.ac (for lang...): Simplify nesting of conditionals.
10197 Test subdir_requires for non-enabled languages. Move processing
10198 of lang_opt_files and lang_tree_fiels below that test.
10199 * configure: Regenerate.
10200 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10202 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
10204 * doc/gcov.texi (Invoking Gcov): Add a missing word.
10206 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
10208 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10211 2006-06-29 Jason Merrill <jason@redhat.com>
10218 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10219 * c-common.c (c_determine_visibility): Handle it here.
10220 * c-decl.c (finish_decl): Call c_determine_visibility for
10222 * flags.h (enum symbol_visibility): Sort from most to least visibility.
10223 * tree.h: Likewise.
10224 * varasm.c (default_assemble_visibility): Likewise.
10225 * c-common.c (handle_visibility_attribute): Complain about trying
10226 to give visibility to an already defined class, or trying to change
10227 declared visibility. Always attach the attribute.
10232 * attribs.c (decl_attributes): Ignore type-in-place attributes
10233 once the type has been defined.
10235 2006-06-29 Roger Sayle <roger@eyesopen.com>
10237 PR middle-end/27428
10238 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10239 to indicate the cpplib has issued an error message for us.
10241 2006-06-29 Asher Langton <langton2@llnl.gov>
10244 * config/i386/i386.c (ix86_output_function_epilogue): Don't
10245 insert a label at the end of an function under Mach-O.
10247 2006-06-29 Eric Christopher <echristo@apple.com>
10248 Evan Cheng <evan.cheng@apple.com>
10250 * predicates.md (vector_all_ones_operand): New.
10251 (nonimmediate_or_sse_const_operand): Ditto.
10252 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10253 * config/i386/i386.c (standard_sse_constant_opcode): Define.
10254 (standard_sse_mode_p): Ditto.
10255 (standard_sse_constant_p): Add case for -1 vector.
10256 (ix86_expand_vector_move): Try to use.
10257 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10258 Call standard_sse_constant_opcode.
10259 (*movv4sf_internal): Ditto.
10260 (*movv2df_internal): Ditto.
10262 2006-06-29 Roger Sayle <roger@eyesopen.com>
10264 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10265 of XEXP to extract the operands of a MATCH_CODE rtx.
10267 2006-06-28 Andrew Pinski <pinskia@gmail.com>
10269 * tree.c (tree_size): Do not waste tail padding in
10270 struct tree_string and make the size be the same as
10271 build_string will generate.
10273 2006-06-28 Jason Merrill <jason@redhat.com>
10276 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10277 may_aliases already in the tag's annotations to the bitmap.
10279 2006-06-28 Roger Sayle <roger@eyesopen.com>
10281 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
10283 2006-06-28 Roger Sayle <roger@eyesopen.com>
10285 * genpreds.c (generate_switch_p): New function.
10286 (add_mode_tests): Push the new mode test down inside an AND expr
10287 if this allows the switch-suitable MATCH_CODE to be near the root.
10288 (write_match_code_switch): New function to write a MATCH_CODE as
10289 a switch statement.
10290 (write_predicate_stmts): New function to write a predicate RTX
10291 expression as a sequence of statements.
10292 (write_one_predicate_function): Use write_predicate_stmts.
10293 (write_tm_constrs_h): Likewise.
10295 2006-06-26 Fred Fish <fnf@specifix.com>
10297 * config/mips/t-sb1: New file.
10298 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
10301 2006-06-26 DJ Delorie <dj@redhat.com>
10303 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
10305 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
10306 Jayant Sonar <jayants@kpitcummins.com>
10307 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
10309 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10310 (subsi3, subsi3_1, subsi3_2): New.
10311 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
10312 * config/m32c/mov.md (SI mov peephole): New.
10313 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
10314 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
10316 2006-06-26 Olivier Hainque <hainque@adacore.com>
10318 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
10319 a CALL_EXPR target function declaration.
10321 2006-06-26 Richard Guenther <rguenther@suse.de>
10323 * tree.c (build_string): Do not waste tail padding in
10324 struct tree_string.
10326 2006-06-26 Richard Guenther <rguenther@suse.de>
10328 * ggc-page.c (init_ggc): Add missing element to size_lookup
10332 2006-06-23 Richard Guenther <rguenther@suse.de>
10334 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10335 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10336 alignment requests instead. Add verification code.
10337 Add struct tree_function_decl and struct tree_binfo size to
10338 extra_order_size_table. Add missing element to size_lookup
10341 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
10343 PR middle-end/28151
10344 * fold-const.c (const_binop): Be prepared for self returning zero.
10345 Simplify code handling complex values.
10347 2006-06-24 Olivier Hainque <hainque@adacore.com>
10349 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
10350 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
10353 2006-06-24 Olivier Hainque <hainque@adacore.com>
10355 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
10356 ARRAY_REF, so have the callback called for the low bound expression.
10358 2006-06-23 Janis Johnson <janis187@us.ibm.com>
10360 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
10361 * c-typeck.c (c_common_type): Disallow operations on decimal float
10362 types and other float types.
10363 * convert.c (convert_to_real): Don't ignore conversions involving
10364 decimal float types.
10366 2006-06-23 Olivier Hainque <hainque@adacore.com>
10368 * tree.c (max_int_size_in_bytes): New function, inspired from
10369 code in function.c:assign_temp.
10370 * tree.h (max_int_size_in_bytes): Declare.
10371 * function.c (assign_temp): Use it.
10372 * gimplify.c (create_tmp_var): Relax the assertions on the type
10373 properties, not mandating constant size any more.
10374 (force_constant_size): New static function.
10375 (gimple_add_tmp_var): Use it, forcing variable size to a
10376 constant upper bound if it is not constant on entry.
10378 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
10381 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
10382 for initialization and setting of one_only flag to ...
10383 (i386_pe_encode_section_info): ...here.
10384 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
10385 Recheck that the symbol has not been defined.
10387 2006-06-23 Richard Guenther <rguenther@suse.de>
10389 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10390 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10391 alignment requests instead. Add verification code.
10392 Add struct tree_function_decl and struct tree_binfo size to
10393 extra_order_size_table. Add missing element to size_lookup
10396 2006-06-22 Roger Sayle <roger@eyesopen.com>
10397 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10399 PR middle-end/28131
10400 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
10401 call to lang_hooks.types.type_for_mode returned NULL_TREE.
10403 2006-06-23 Ben Elliston <bje@au.ibm.com>
10405 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
10406 negate dn -- manipulate it directly.
10408 2006-06-22 Roger Sayle <roger@eyesopen.com>
10409 Steven Bosscher <stevenb.gcc@gmail.com>
10412 * reload1.c (gen_reload): Call mark_jump_label on the new insns
10413 generated by gen_move_insn to add REG_LABEL notes if necessary.
10415 2006-06-22 Bob Wilson <bob.wilson@acm.org>
10417 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
10418 (leaf_entry): Remove use of MIN_ESA.
10420 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
10422 PR rtl-optimization/28121
10423 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
10426 2006-06-21 DJ Delorie <dj@redhat.com>
10428 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10430 (mulhisi3_r): Likewise.
10432 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10434 PR middle-end/28034
10435 * coverage.c (coverage_counter_alloc): Leave the index type
10437 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10440 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10442 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10443 section from the "Options for Code Generation Conventions".
10445 2006-06-21 Richard Henderson <rth@redhat.com>
10449 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10451 (global_symbolic_operand): Allow weak symbols, even if local_p.
10453 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10455 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10456 (find_interesting_uses_address): Punt if above function returns true.
10458 2006-06-21 Richard Guenther <rguenther@suse.de>
10460 * configure: Regenerated.
10462 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10464 * config/mips/mips.c (function_arg): Where one part of a
10465 complex argument is in registers and the other part in the stack,
10466 return a REG not a PARALLEL.
10468 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10470 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10471 when cross-compiling. Do not substitute libstdcxx_incdir.
10472 * configure: Regenerated.
10474 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10476 * varasm.c (mergeable_string_section): Check for embedded NULs and
10477 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10478 rather than TREE_STRING_LENGTH bytes.
10480 2006-06-21 Richard Guenther <rguenther@suse.de>
10482 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10483 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10486 2006-06-21 Richrad Guenther <rguenther@suse.de>
10488 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10489 Limit iteration over the dominators.
10491 2006-06-20 Roger Sayle <roger@eyesopen.com>
10493 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10494 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10496 2006-06-20 Richard Guenther <rguenther@suse.de>
10497 Michael Matz <matz@suse.de>
10499 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10501 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10502 * et-forest.h (et_free_pools): Prototype new function.
10503 * et-forest.c (et_free_tree_force): Free parent occurrence.
10504 (et_free_pools): New function.
10505 * dominance.c (free_dominance_info): Free et-forest alloc
10508 2006-06-20 Roger Sayle <roger@eyesopen.com>
10510 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10511 integer modes, attempt to directly construct an integer constant.
10513 * fold-const.c (native_encode_vector): Determine the size of each
10514 element from the vector type instead of the first vector element.
10516 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10517 if all of its elements/components are constant.
10518 (build_constructor_from_list): Likewise.
10520 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10522 PR tree-optimization/27331
10523 * tree-data-ref.c (free_data_ref): New function.
10524 (create_data_ref): Fail if the data reference has unknown access
10526 (free_data_refs): Use free_data_ref.
10528 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10530 PR middle-end/28075
10531 * tree-inline.c (setup_one_parameter): Strip useless
10532 type conversion before adding it to the IR.
10533 (declare_return_variable): Likewise.
10535 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10538 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10540 2006-06-19 Mike Stump <mrs@apple.com>
10542 * tree.c (variably_modified_type_p): VM arguments don't make the
10545 2006-06-19 Richard Guenther <rguenther@suse.de>
10547 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10548 type conversions after folding.
10550 2006-06-19 Richard Guenther <rguenther@suse.de>
10552 * ggc-page.c (extra_order_size_tab): Add entries with
10553 size of struct function and basic_block.
10554 (size_lookup): Extend to cover sizes up to 511.
10555 (ggc_alloc_stat): Adjust user.
10556 (ggc_pch_count_object): Likewise.
10557 (ggc_pch_alloc_object): Likewise.
10558 (ggc_pch_write_object): Likewise.
10560 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10562 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10563 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10566 2006-06-19 Denis Chertykov <denisc@overta.ru>
10568 * config/avr/libgcc.S : Correct my wrong previous commit.
10570 2006-06-19 Roger Sayle <roger@eyesopen.com>
10573 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10574 have stripped a SUBREG from the shift count, so we may need to
10575 convert_to_mode back to the type's mode before calling make_tree.
10576 Use new_amount instead of amount to avoid expanding a tree twice.
10578 2006-06-19 Richard Guenther <rguenther@suse.de>
10580 PR middle-end/28045
10581 * fold-const.c (operand_equal_p): Check if the argument types
10582 have the same precision before stripping NOPs.
10584 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10586 Fix PR tree-optimization/27341
10587 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10589 * tree-complex.c (pass_lower_complex): Update SMT usage.
10591 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10593 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10594 Add a new alternative to the constraint strings. Add move of
10595 operand 1 to 3 to the splitter definition.
10596 ("doloop_si_long"): Second contraint alternative removed.
10598 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10600 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10601 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10603 (AVR_HAVE_MOVW) Define.
10604 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10605 (ASM_SPEC): Add avr25.
10606 (LINK_SPEC): Add avr25.
10607 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10608 (base_arch_s): Add new member 'have_movw_lpmx'.
10609 (avr_arch_types): Init 'have_movw_lpmx'.
10610 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10611 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10612 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10613 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10614 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10616 (avr_file_start): Do not output '.arh' derective.
10617 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10618 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10619 * config/avr/avr.md (mcu_enhanced): Delete.
10620 (mcu_have_movw): Define.
10621 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10622 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10623 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10624 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10625 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10626 attiny861 and at86rf401 devices.
10628 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10630 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10633 2006-06-17 Karl Berry <karl@gnu.org>
10635 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10636 doc/gccint.texi, doc/install.texi (@dircategory): Use
10637 "Software development" instead of "Programming", following
10638 the Free Software Directory.
10640 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
10642 * config/i386/i386.c (legitimate_tls_address)
10643 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
10644 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
10645 (*tls_dynamic_gnu2_combine_64): Likewise.
10647 2006-06-16 Richard Guenther <rguenther@suse.de>
10649 PR middle-end/27116
10650 * fold-const.c (negate_expr_p): Do not introduce undefined
10651 overflow in negating INTEGER_CSTs.
10652 (fold_negate_expr): Rename from negate_expr. Revert last
10653 change for folding BIT_NOT_EXPR. Change semantics to
10654 return NULL_TREE for non-simplified negations. Do not
10655 strip type conversions and unify type handling.
10656 (negate_expr): New function, wrap around fold_negate_expr
10657 but ensure building a tree always. Strip type conversions
10658 here, fold to result type.
10659 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
10661 2006-06-16 Roger Sayle <roger@eyesopen.com>
10663 PR middle-end/27802
10664 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
10665 that (would) return their results in stack registers.
10667 2006-06-16 Michael Matz <matz@suse.de>
10668 Richard Guenther <rguenther@suse.de>
10670 * fold-const.c (fold_truthop): Only return new tree node if
10671 we canonicalized something.
10673 2006-06-16 Richard Guenther <rguenther@suse.de>
10675 * function.h (enum function_frequency): Move declaration
10676 out of struct function.
10677 (struct function): Move bool fields and the enum to the bitfield
10678 section. Reorder elements to avoid padding. Remove unused
10679 fields left over from the RTL inliner removal.
10680 * function.c (free_after_compilation): Do not zero removed fields.
10681 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
10682 (ipa-type-escape.o): Likewise.
10684 2006-06-16 Richard Guenther <rguenther@suse.de>
10686 * cgraph.h (struct cgraph_local_info): Turn bool elements
10688 (struct cgraph_node): Likewise.
10689 (struct cgraph_varpool_node): Likewise.
10691 2006-06-15 Richard Guenther <rguenther@suse.de>
10693 * fold-const.c (fold_truth_not_expr): Rename from
10694 invert_truthvalue. Give it fold_* semantics to avoid
10695 generating garbage.
10696 (invert_truthvalue): New function. Wrapper around
10697 fold_truth_not_expr.
10698 (optimize_minmax_comparison): Avoid creating garbage.
10699 (fold_unary): Use fold_truth_not_expr for folding
10701 (fold_ternary): Replace uses of invert_truthvalue with
10702 fold_truth_not_expr where applicable.
10703 * tree.h (fold_truth_not_expr): Prototype.
10705 2006-06-16 Richard Guenther <rguenther@suse.de>
10707 PR tree-optimization/27781
10708 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
10709 * ipa-pure-const.c (target.h): Include.
10710 (analyze_function): Do not analyze functions that do not
10713 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
10715 PR middle-end/27793
10716 * tree-dfa.c (referenced_vars_dup_list): Remove.
10717 (find_referenced_vars): Remove assert.
10718 (referenced_var_check_and_insert): Replace dup list with assert.
10719 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
10720 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
10722 2006-06-15 Richard Guenther <rguenther@suse.de>
10724 * tree-ssa-structalias.c (alias_get_name): Avoid creating
10725 extra unused identifiers if not dumping.
10726 (create_variable_info_for): Likewise.
10728 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
10730 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
10731 (derive_constant_upper_bound): Derive more precise upper bound in
10732 common cases. Return type changed to double_int.
10733 (record_estimate): Reflect the changed return type of
10734 derive_constant_upper_bound.
10735 * double-int.c (double_int_zext, double_int_sext): Fix.
10737 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
10739 * configure.ac (CFLAGS): Get them from the toplevel or from the
10740 configure invocation.
10741 * configure: Regenerate.
10742 * Makefile.in (CFLAGS): Substitute value provided by configure.
10744 2006-06-14 Mark Mitchell <mark@codesourcery.com>
10747 * c-common.h (c_finish_omp_atomic): Adjust declaration.
10748 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
10749 rather than calling add_stmt on it.
10750 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
10752 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
10754 PR middle-end/27959
10755 * reload1.c (reload): Remove registers returned by update_eliminables
10756 from used_spill_regs.
10758 2006-06-13 DJ Delorie <dj@redhat.com>
10760 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
10762 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
10764 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
10765 html__strip_dir, html__mkdir_p. Enhance install-html target.
10766 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
10767 * configure: Regenerate.
10769 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
10771 * fold-const.c (fold_cond_expr_with_comparison): Check for
10772 Objective-C++ as language in deciding COND_EXPR transformation.
10774 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
10777 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
10778 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
10779 * config/sh/lib1funcs.h (SL, SL1): Define.
10780 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
10781 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
10782 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
10783 (OBJS_Os_4_200): New variable.
10784 ($(T)libgcc-Os-4-200.a): Use it.
10785 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
10786 when dividing 1 and/or by 0.
10788 2006-06-13 Roger Sayle <roger@eyesopen.com>
10790 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
10791 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
10792 * configure: Regenerate.
10794 2006-06-13 Jie Zhang <jie.zhang@analog.com>
10796 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
10797 for real instruction.
10799 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10801 PR middle-end/26807
10802 * haifa-sched.c (check_cfg): Handle special case.
10804 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
10807 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
10808 Add debug_info parameter. Chain the vars to the BLOCK instead
10809 of the BIND_EXPR if debug info are requested for them.
10810 (pop_gimplify_context): Adjust for above change.
10811 (gimple_add_tmp_var): Likewise.
10812 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
10813 Add bool parameter.
10814 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
10815 (convert_local_reference): Likewise.
10816 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
10817 (finalize_nesting_tree_1): Request that debug info be emitted
10818 for debug_var_chain.
10820 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10822 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
10823 for PR target/27863.
10825 2006-06-13 Richard Guenther <rguenther@suse.de>
10827 PR middle-end/27536
10828 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
10830 2006-06-13 Richard Guenther <rguenther@suse.de>
10832 PR tree-optimization/27830
10833 * tree-inline.c (copy_body_r): For copying the operand
10834 of an ADDR_EXPR make sure to fold &* afterwards.
10836 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
10838 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
10839 lvalues in the fb_none case with side-effects.
10841 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
10843 * tree-flow.h: Remove the prototype for
10844 compute_phi_arg_on_exit.
10845 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
10846 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
10849 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
10851 * builtins.c (expand_builtin_return_addr): Only use
10852 frame_pointer_rtx when count == 0 and we are expanding
10853 __builtin_return_address.
10855 2006-06-12 Fred Fish <fnf@specifix.com>
10857 * config/mips/mips.c (mips_file_start): Create special section
10858 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
10860 2006-06-11 Eric Christopher <echristo@apple.com>
10862 PR middle-end/27948
10863 * stor-layout.c (place_field): Remove check for
10864 remaining_in_alignment when aligning at the end of a run.
10866 2006-06-11 Eric Christopher <echristo@apple.com>
10869 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
10872 2006-06-11 Roger Sayle <roger@eyesopen.com>
10875 Revert incorrect fix for PR target/27158
10876 2006-05-08 Roger Sayle <roger@eyesopen.com>
10877 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10878 of a reg_equiv_constant if the result is a legitimate constant.
10880 2006-06-11 Roger Sayle <roger@eyesopen.com>
10883 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
10884 extract a CONST_VECTOR element and interpret it as an integer.
10885 (vspltis_constant): Use const_vector_elt_as_int instead of the
10886 macro CONST_VECTOR_ELT in order to handle FP vector modes.
10887 * config/rs6000/predicates.md (easy_vector_const): Consider
10888 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
10890 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
10892 PR middle-end/27942
10893 * stor-layout.c (update_alignment_for_field): Don't add extra
10894 alignment for packed non-bitfield fields in ms_bitfield_layout_p
10897 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
10899 * config/mips/t-rtems: Add EL/EB multilib variants.
10901 2006-06-09 Mike Stump <mrs@apple.com>
10903 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
10905 2006-06-09 David Daney <ddaney@avtrex.com>
10907 * doc/install.texi: Add binutils version recommendation for mips-*-*.
10909 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
10911 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
10913 2006-06-09 Richard Guenther <rguenther@suse.de>
10915 PR tree-optimization/26998
10916 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
10917 of signed types, only TYPE_MIN_VALUE is special, but for both,
10918 minimum and maximum value. Likewise VR_ANTI_RANGE is special
10919 in this case, as is -fwrapv.
10921 2006-06-08 Mike Stump <mrs@apple.com>
10924 * config/darwin.c (darwin_asm_output_anchor): Disable
10925 -fsection-anchors on darwin for now.
10926 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
10927 * rs6000/rs6000.c (optimization_options): Likewise.
10929 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10932 * config/i386/i386.c (classify_argument): Skip fields with invalid
10935 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
10937 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
10938 (cse_insn): Likewise for the stack_pointer_rtx.
10940 2006-06-08 Roger Sayle <roger@eyesopen.com>
10942 * tree-ssa-dom.c (record_conditions): Only record "unordered"
10943 conditions from floating point comparisons.
10945 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
10947 PR middle-end/27733
10948 * expmed.c (struct alg_hash_entry): Fix type of field T
10949 to match synth_mult argument.
10950 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
10952 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10955 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
10958 2006-06-08 Richard Guenther <rguenther@suse.de>
10960 PR middle-end/27116
10961 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
10962 only, if overflow is defined and not trapping.
10963 (negate_expr): Likewise.
10965 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10967 PR tree-optimization/27872
10968 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
10969 flag on the new exit edge of the unrolled loop.
10971 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
10973 PR rtl-optimization/26449
10974 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
10976 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
10978 PR middle-end/27793
10979 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
10980 referenced_variables with matching DECL_UID's.
10981 (find_referenced_vars): Make sure duplicate list is empty to start.
10982 (referenced_var_p): Remove.
10983 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
10984 Check if var is in the list, and add if needed. Update the duplicate
10985 list if a different var is in the list with the same DECL_UID.
10986 (add_referenced_var): Call routine to check and insert.
10987 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
10988 * tree-flow.h (referenced_vars_dup_list): External declaration.
10990 2006-06-07 Fred Fish <fnf@specifix.com>
10992 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
10995 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
10998 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
10999 the imaginary and real parts of a clobbered register.
11000 Emit insn to set the imaginary part.
11002 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
11004 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
11005 in lieu of unwind-dw2-fde.c.
11007 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
11009 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
11011 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
11014 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
11015 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
11016 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
11017 V4SImode temporaries and operations instead.
11019 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
11021 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
11024 2006-06-06 Mike Stump <mrs@apple.com>
11026 * Makefile.in: Rename to htmldir to build_htmldir to avoid
11027 installing during build.
11029 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11031 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
11033 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11034 * config/ia64/ia64.c (params.h): New header.
11035 (ia64_optimization_options): New function to adjust parameters.
11036 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
11037 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
11038 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
11040 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
11042 * stor-layout.c (debug_rli): Fix a typo in a debug message.
11044 2006-06-05 Steve Ellcey <sje@cup.hp.com>
11047 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
11049 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
11050 Victor Kaplansky <victork@il.ibm.com>
11052 PR tree-optimization/26360
11053 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
11056 2006-06-04 Roger Sayle <roger@eyesopen.com>
11057 Andrew Pinski <pinskia@physics.uc.edu>
11059 PR middle-end/27382
11060 * c-common.c (c_common_truthvalue_conversion): Explicitly check
11061 for LABEL_DECL before calling DECL_WEAK.
11064 * c-typeck.c (build_binary_op): Likewise, explicitly check for
11065 LABEL_DECL and PARM_DECL.
11067 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
11071 * c-decl.c (grokdeclarator): Disallow variably modified types at
11072 file scope. Avoid marking shared array type of constant size as
11075 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11078 * c-common.c (fold_offsetof_1): Handle static members.
11080 2006-06-04 Eric Christopher <echristo@apple.com>
11082 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
11083 (debug_rli): Output value for remaining_in_alignment.
11084 (update_alignment_for_field): Unconditionalize
11085 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
11086 extra alignment code.
11087 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
11088 ms_bitfield_layout_p code. Rewrite handling of structure fields.
11089 * tree.h (record_layout_info_s): Remove prev_packed.
11090 * doc/extend.texi (ms_struct): Add documentation of format.
11092 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
11094 * tree.h: Declare folding_initializer.
11095 * builtins.c (fold_builtin_constant_p): Give definite answer
11096 if folding inside an initializer.
11097 * fold-const.c: Define folding_initializer.
11098 (START_FOLD_INIT): Save and then set folding_initializer.
11099 (END_FOLD_INIT): Restore folding_initializer.
11101 2006-06-04 Richard Guenther <rguenther@suse.de>
11103 PR tree-optimization/27039
11104 * fold-const.c (fold_comparison): Handle pointer comparison
11105 again for all comparison codes. Compare offsets in signed
11107 (fold_binary): Move code from here.
11109 2006-06-03 Roger Sayle <roger@eyesopen.com>
11112 * config/i386/i386.c (construct_container): Split static issued_error
11113 flag into issued_sse_arg_error, issued_sse_ret_error and
11114 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
11115 requires the use of x87 registers and the user explicitly
11116 specified the -mno-80387 command line option.
11118 2006-06-02 Geoffrey Keating <geoffk@apple.com>
11120 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
11121 HAVE_DECL_SIGALTSTACK.
11123 (segv_handler): Use MC_FLD.
11124 * configure.ac: Check for a sigaltstack declaration.
11125 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
11126 * configure: Regenerate.
11127 * config.in: Regenerate.
11129 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
11132 * Makefile.in (stmp-fixinc): Fix typo.
11134 2006-06-02 Roger Sayle <roger@eyesopen.com>
11136 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
11137 are type correct. Clean-up.
11138 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
11139 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
11141 2006-06-01 DJ Delorie <dj@redhat.com>
11143 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11144 shift, as we've disabled the "switch" insn that needs it.
11146 2006-06-01 Per Bothner <bothner@bothner.com>
11148 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
11149 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
11150 * c-ppoutput.c (cb_define): Don't increment line 0.
11152 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
11154 * doc/invoke.texi: Add cpu_type power6.
11155 * config.gcc: Add cpu_type power6.
11156 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11157 to power5+ with Altivec.
11158 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11159 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11161 2006-05-30 Anatoly Sokolov <aesok@post.ru>
11163 * config/avr/avr.h (SET_ASM_OP): Define.
11165 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
11167 * config/bfin/bfin.c: Fix comment typos.
11169 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11172 * doc/install.texi: Document --enable-bootstrap and
11173 --disable-bootstrap.
11175 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11177 * doc/install.texi: Document that InfoZIP can replace jar.
11179 2006-05-31 Roger Sayle <roger@eyesopen.com>
11181 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11182 isn't available, directly generate the simpler x87 patterns without
11183 the (use (const_int 0)).
11184 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11185 implementation isn't available.
11186 (*negdf2_1): Likewise.
11187 (*negxf2_1): XF mode negation is always done using the x87.
11188 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11190 2006-05-31 Roger Sayle <roger@eyesopen.com>
11192 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
11193 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
11195 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11197 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11199 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11200 * config/bfin/bfin.c (basic-block.h): Include.
11201 (struct machine_function): New.
11202 (bfin_init_machine_status): New.
11203 (override_options): Initialize init_machine_status.
11204 (bfin_hardware_loop): New.
11205 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11206 (DEF_VEC_P (loop_info)): New.
11207 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11208 (struct loop_info): New.
11209 (loop_info): New typedef.
11210 (struct loop_work): New.
11211 (loop_work): New typedef.
11212 (DEF_VEC_O (loop_work)): New.
11213 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11214 (bfin_dump_loops): New.
11215 (bfin_bb_in_loop): New.
11216 (bfin_scan_loop): New.
11217 (bfin_optimize_loop): New.
11218 (bfin_reorg_loops): New.
11219 (bfin_reorg): Use bfin_reorg_loops.
11220 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11222 (I_REGNO_P): Simplify.
11223 (DP_REGNO_P, DPREG_P): New macros.
11224 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11225 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11226 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11227 Add LT_REGS, LC_REGS, LB_REGS.
11228 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11230 (REGNO_REG_CLASS): Deal with loop registers.
11231 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11233 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11234 New constants for loop registers.
11235 (UNSPEC_LSETUP_END): New.
11236 (seq_insns): New define_attr. Set it for appropriate insns.
11237 (movsi_insn): Add alternatives for move from/to
11238 loop count registers.
11239 (doloop_end): New define_expand.
11240 (loop_end): New define_insn.
11241 (define_split for bad doloop_end): New.
11242 (lsetup_with_autoinit): New define_insn.
11243 (lsetup_without_autoinit): New define_insn.
11244 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11245 * config/bfin/predicates.md (lc_register_operand): New.
11246 (lt_register_operand): New.
11247 (lb_register_operand): New.
11248 (nondp_register_operand): New.
11249 (nondp_reg_or_memory_operand): New.
11250 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11252 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11254 * config/bfin/bfin.c (bfin_delegitimize_address): New.
11255 (TARGET_DELEGITIMIZE_ADDRESS): Define.
11257 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
11259 * Makefile.in (CATALOGS): Add po/ prefix.
11260 * configure: Regenerated.
11262 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
11265 * arm.c (arm_print_operand case 'S'): Validate that the operand is
11266 a shift operand before calling shift_op. Avoid redundant call of
11269 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
11270 DJ Delorie <dj@redhat.com>
11272 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11273 we're inserting is a singlt-bit constant.
11275 2006-05-30 Roger Sayle <roger@eyesopen.com>
11277 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11278 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
11280 2006-05-30 Roger Sayle <roger@eyesopen.com>
11282 PR tree-optimization/23452
11283 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
11284 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11285 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
11286 complex values and with -ffast-math for FP complex values.
11288 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
11290 * c-common.h: Remove the prototype for yyparse.
11291 * rtl.h: Remove the prototype for init_loop.
11293 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
11295 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11298 2006-05-30 Roger Sayle <roger@eyesopen.com>
11300 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11302 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
11303 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
11305 2006-05-30 Dirk Mueller <dmueller@suse.de>
11308 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
11309 for CONSTANT_CLASS_P expresisons.
11311 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11314 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
11316 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
11318 PR tree-optimization/27779
11319 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
11320 initial_condition instead of CHREC_LEFT.
11322 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
11324 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
11325 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
11326 Make prototypes ISO C90.
11328 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
11329 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11331 * see.c (see_analyze_one_def): Correct check.
11332 (see_get_extension_data): Check if extension is parallel.
11333 (see_get_extension_reg): Likewise.
11335 2006-05-30 Uros Bizjak <uros@kss-loka.si>
11338 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
11339 into register for (code == GTU).
11341 2006-05-29 Roger Sayle <roger@eyesopen.com>
11343 PR tree-optimization/24964
11344 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11345 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
11346 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
11347 abs(x)*abs(x) as x*x for scalar floating point modes.
11349 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
11351 PR middle-end/27745
11352 * lambda-code.c (perfect_nestify): Don't copy statements
11353 in the inner loop: move them to the inner loop header.
11355 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11358 * c-tree.texi: Document OpenMP directives and clauses.
11360 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11362 * varasm.c (globalize_decl): Fix indentation.
11364 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11367 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
11368 pass_fre, pass_store_ccp, pass_copy_prop,
11369 pass_store_copy_prop, pass_merge_phi, pass_nrv,
11370 pass_return_slot, pass_object_size, pass_lim,
11371 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
11372 pass_loop_prefetch and pass_stdarg.
11374 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
11376 * config/bfin/bfin.opt (mfdpic): New option.
11377 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
11378 (EXTRA_MULTILIB_PARTS): Likewise.
11379 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
11380 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
11382 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
11383 (CRT_CALL_STATIC_FUNCTION): New.
11384 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
11386 (CRT_CALL_STATIC_FUNCTION): New.
11387 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
11389 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
11390 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
11391 (initialize_trampoline): Changed to handle FD-PIC code generation.
11392 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
11393 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
11394 (override_options): Disallow -mid-shared-library -mfdpic combination.
11395 Can't do unaligned ops if FD-PIC.
11396 Turn off flag_pic if trying to generate non-id-shared-library
11397 non-fdpic code, since it's not supported.
11398 (bfin_assemble_integer): New function.
11399 (TARGET_ASM_INTEGER): Define.
11400 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
11402 * config/bfin/crtn.s: Restore them.
11403 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
11405 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
11406 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
11407 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
11408 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
11409 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
11411 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
11412 FDPIC_REGS and FDPIC_FPTR_REGS.
11413 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
11414 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
11415 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
11416 (load_funcdescsi): New pattern.
11417 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
11418 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
11419 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
11421 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11423 * gcse.c, rtlanal.c: Remove obsolete comments associated with
11426 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
11428 * tree-flow.h: Remove the prototype for add_type_alias.
11429 * tree-ssa-alias.c (add_type_alias): Remove.
11431 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
11433 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11434 config/fr30/fr30.md, config/i386/i386-interix.h,
11435 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11436 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11437 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11438 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11439 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11440 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11441 Follow spelling conventions.
11442 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11443 Follow spelling conventions.
11445 2006-05-27 Richard Guenther <rguenther@suse.de>
11447 PR middle-end/27773
11448 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11449 to produce a constant of value 1 of generic type.
11451 2006-05-27 Dirk Mueller <dmueller@suse.de>
11453 * cgraphunit.c (decide_is_function_needed): Fix wrong
11456 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11458 PR rtl-optimization/27661
11459 * reload.c (find_reloads): When reloading a VOIDmode constant
11460 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11461 use Pmode as mode of the reload register.
11463 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11465 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11466 is enabled at -O and above.
11468 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11471 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11474 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11477 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11478 for anonymous variables explicitly declared by front ends.
11480 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11482 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11483 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11484 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11485 ref-all pointers, run a finalization pass for them.
11486 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11487 (finalize_ref_all_pointers): New function.
11488 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11489 regular pointer type to a ref-all pointer type.
11490 (get_tmt_for): Return the special memory tag for ref-all pointers.
11492 2006-05-25 Richard Guenther <rguenther@suse.de>
11494 PR middle-end/27743
11495 * fold-const.c (fold_binary): Do not look at the stripped
11496 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11498 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11500 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11501 for LT and GT if the computed range is effectively empty.
11503 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11506 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11507 mips_quad_format formats instead of ieee_single_format,
11508 ieee_double_format and ieee_quad_format formats, respectively.
11510 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11512 PR tree-optimization/27639
11513 PR tree-optimization/26719
11514 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11515 call to scev_probably_wraps_p.
11516 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11517 used_in_pointer_arithmetic_p, convert_step): Removed.
11518 (nowrap_type_p): New function.
11519 (scev_probably_wraps_p): Rewritten.
11520 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11521 chrec_convert if chrec_convert_aggressive might have been used.
11522 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11523 scev_direction): New functions.
11524 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11525 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11526 instead of convert_step.
11527 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11528 (convert_step): Declaration removed.
11529 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11531 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11533 * df-core.c: Added to header comments.
11534 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11535 df_ur_bb_info, df_urec_bb_info): Added comments.
11536 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11537 urec, ri problems): Fixed header comments.
11538 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11539 code from df_rd_transfer_function.
11541 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11543 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11544 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11545 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11547 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11549 * expr.c (undefined_operand_subword_p): New.
11550 (emit_move_multi_word): Do not generate move from undefined bits
11551 of a paradoxical subreg.
11553 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11555 PR rtl-optimization/27736
11556 * combine.c (replaced_rhs_value): New variable.
11557 (combine_instructions): Set it.
11558 (distribute_notes): When distributing a note in replaced_rhs_insn,
11559 check whether the value was used in replaced_rhs_value.
11561 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11564 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11565 add_referenced_var instead of add_referenced_tmp_var.
11566 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11567 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11568 add_referenced_var.
11569 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11570 tree_optimize_tail_calls_1): Use add_referenced_var.
11571 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11572 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11573 Use add_referenced_var.
11574 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11575 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11576 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11577 Use add_referenced_var.
11578 * tree-dfa.c (struct walk_state): Remove.
11579 (find_referenced_vars): Remove walk state and vars_found hash table.
11580 (make_rename_temp): Use add_referenced_var.
11581 (find_vars_r): Pass less parameters to add_referenced_var.
11582 (referenced_var_p): New. Is var in referenced_var hash table.
11583 (referenced_var_insert): Assert var isn't already in hash table.
11584 (add_referenced_var): Don't need walk_state parameter. Add var if it
11585 isn't already in the hash table.
11586 (add_referenced_tmp_var): Remove.
11587 (find_new_referenced_vars_1): Use add_referenced_var.
11588 * tree-ssa-pre.c (create_expression_by_pieces,
11589 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11590 Use add_referenced_var.
11591 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11592 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11593 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11594 add_referenced_var.
11595 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11596 vect_create_data_ref_ptr, vect_create_destination_var,
11597 vect_init_vector, vect_build_loop_niters,
11598 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11599 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11600 Use add_referenced_var.
11601 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11602 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11603 (add_referenced_var): Add prototype.
11604 * tree-ssa-structalias.c (get_constraint_for,
11605 intra_create_variable_infos): Use add_referenced_var.
11607 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11609 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11610 big-endian paradoxical subregs.
11611 * var-tracking.c (struct micro_operation_def): Document that,
11612 for modify micro operations, insn is the subsequent instruction.
11613 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11614 (var_reg_set, var_mem_set): ... new functions.
11615 (add_stores): Record subsequent insn.
11616 (compute_bb_dataflow): Use new functions for MO_USE.
11617 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11618 notes after the insn, and modify notes before the insn known
11619 to be the subsequent one.
11620 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11622 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11625 * config/i386/i386.c (ix86_expand_builtin): Use
11626 gen_sse3_monitor64 for TARGET_64BIT.
11628 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11630 PR rtl-optimization/26375
11631 PR rtl-optimization/26855
11632 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11634 (df_ru_bb_local_compute): Reversed statements and removed bogus
11635 comment explaining why they should be in wrong order.
11636 (df_ru_dump, df_rd_dump): Enhanced debug info.
11637 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11639 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11640 reaching uses and fixed space problem.
11642 2006-05-23 Jan Hubicka <jh@suse.cz>
11644 * cgraphunit.c (decide_is_function_needed): Also nested functions
11645 and functions declared inline can be optimized out at -O0.
11647 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
11649 * doc/install.texi (Configuration): Remove reference to CrossGCC
11650 FAQ which was gone.
11653 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11656 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
11657 ix86_compare_emitted is non-NULL.
11659 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11662 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11665 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11667 PR rtl-optimization/25514
11668 * combine.c (replaced_rhs_insn): New variable.
11669 (combine_instructions): Set replaced_rhs_insn when trying to replace
11670 a SET_SRC with a REG_EQUAL note.
11671 (distribute_notes): Use replaced_rhs_insn when determining the live
11672 range of a REG_DEAD register.
11674 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
11675 Anatoly Sokolov <aesok@post.ru>
11677 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
11678 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
11679 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
11680 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
11681 atmega3290, atmega649, atmega6490, atmega406, atmega640,
11682 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
11683 at90usb647, at90usb1286 and at90usb1287 devices.
11684 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11685 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11687 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11689 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
11691 2006-05-22 Richard Guenther <rguenther@suse.de>
11694 2006-01-31 Richard Guenther <rguenther@suse.de>
11695 Paolo Bonzini <bonzini@gnu.org>
11697 * doc/install.texi (--disable-libgcc-math): Document.
11699 2006-05-22 Richard Guenther <rguenther@suse.de>
11702 2006-01-31 Richard Guenther <rguenther@suse.de>
11704 * doc/invoke.texi (-msselibm): Document.
11705 * target.h (expand_library_builtin): New target hook.
11706 * builtins.c (expand_builtin): Use expand_library_builtin.
11707 (default_expand_library_builtin): New function.
11708 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11709 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11710 (link_gcc_math_spec): Declare.
11711 (static_specs): Add link_gcc_math_spec.
11712 * expr.h (default_expand_library_builtin): Declare.
11713 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11714 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11715 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11716 * config/i386/i386.opt (msselibm): New target option.
11717 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11718 (ix86_init_sse_abi_builtins): New function.
11719 (ix86_expand_library_builtin): Likewise.
11720 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11721 (override_options): Handle error conditions wrt -msselibm.
11722 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11723 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11724 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11727 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11730 * c-common.c (self_promoting_args_p): Skip erroneous args.
11733 * c-decl.c (finish_struct): Skip erroneous fields.
11735 2006-05-22 Nick Clifton <nickc@redhat.com>
11737 * config/cris/cris.opt (march): Remove VarExists attribute.
11738 (max-stackframe=): Likewise.
11740 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11742 * doc/rtl.texi: Fix a typo.
11743 * see.c: Fix comment typos.
11745 * tree-ssa-structalias.h (alias_info): Remove num_references.
11747 2006-05-21 Mike Stump <mrs@apple.com>
11749 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
11751 (darwin_pragma_options): Use BAD instead.
11752 (darwin_pragma_unused): Likewise.
11753 (darwin_pragma_ms_struct): Likewise.
11755 2006-05-21 David Edelsohn <edelsohn@gnu.org>
11757 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
11759 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
11761 PR rtl-optimization/27671
11762 * simplify-rtx.c (simplify_relational_operation_1): Fix
11763 simplifications of (eq/ne (xor x y) y) and
11764 (eq/ne (xor x y) x).
11766 PR tree-optimization/26622.
11767 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
11770 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11772 * tree-cfg.c: Prune whitespace.
11773 (debug_tree_cfg): Point to correct header containing the
11776 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11778 PR middle-end/25776
11779 * cgraphunit.c (verify_cgraph_node): Typo in error message.
11781 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
11783 PR middle-end/25776
11784 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
11785 or sorry count is non zero.
11787 2006-05-20 Andreas Schwab <schwab@suse.de>
11789 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
11791 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
11792 Kenneth Zadeck <zadeck@naturalbridge.com>
11794 PR rtl-optimization/26855
11796 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
11798 (df_scan_alloc): Added code to properly handle multiword hard
11799 registers and add all_blocks parameter.
11800 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
11801 code to properly handle multiword hard registers.
11802 (df_rescan_blocks): Added code to remove deleted blocks from
11804 (df_ref_create_structure, df_ref_record): Added code to properly
11806 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
11807 and set DF_REF_PARTIAL.
11808 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
11809 (df_uses_record): Added DF_REF_PARTIAL for subreg.
11810 (df_scan_add_problem): Added flags parameter.
11811 (df_ref_create_structure): Changed switching structure.
11812 (df_bb_refs_record): Fixed case where duplicate artificial refs
11813 were created. Changed location of flags.
11814 (df_record_entry_block_defs): Added code to make stack pointer
11815 live in entry block. Refined cases where frame pointer is needed.
11816 Changed location of flags.
11817 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
11818 (df_set_state): Removed function.
11819 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
11820 df_insn_create_insn_record, df_insn_refs_delete,
11821 df_ref_create_structure): Formatting changes.
11822 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
11823 df_delete_basic_block): New function.
11824 (df_init): Changed location of flags.
11825 (df_add_problem): Added flags parameter and the way flags are
11827 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
11828 debug_df_chain): Improved debugging output.
11829 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
11830 (df_refs_chain_dump): Removed df parameter.
11831 (df_iterative_dataflow): Added consistency check.
11832 (df_prune_to_subcfg): Made public.
11833 (df_analyze_problem): Added blocks_to_init parameter and made
11835 (df_ref_record, df_bb_refs_record, df_mark_reg,
11836 df_record_exit_block_uses): Whitespace changes.
11837 (df_dump): Whitespace changes.
11838 * df.h: Some reordering to remove forward references.
11839 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
11840 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
11841 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
11842 (dataflow.flags): New field.
11843 (df.flag): Deleted field.
11844 (df_alloc_function): Added additional bitmap parameter.
11845 (df_dependent_problem_function): New type.
11846 (df_problem.changeable_flags): New field.
11847 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
11848 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
11849 (df_mw_hardreg): New struct.
11850 (DF_INSN_UID_MWS): New macro.
11851 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
11853 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
11854 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
11855 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
11856 (df_set_state): Removed function.
11857 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
11858 * df-problems.c (df_chain_dump): Removed df parameter.
11859 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
11860 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
11862 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
11863 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
11864 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
11865 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
11866 DF_REF_MUST_CLOBBER cases.
11867 (df_ru_bb_local_compute_process_def,
11868 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
11869 df_lr_bb_local_compute, df_ur_bb_local_compute,
11870 df_chain_create_bb): Made subreg aware.
11871 (df_ru_bb_local_compute, df_rd_bb_local_compute,
11872 df_lr_bb_local_compute, df_lr_bb_local_compute,
11873 df_chain_create_bb): Cleanup to use proper macros.
11874 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
11875 code to fixup bitvectors.
11876 (df_ri_alloc): Cleared lifetime.
11877 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
11878 df_create_unused_note): New function.
11879 (df_ri_bb_compute, df_ri_compute): Added code to create/update
11880 REG_DEAD and REG_UNUSED notes as well as register information.
11881 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
11882 df_chains_dump): Fixed crash if problem was never run.
11883 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
11884 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
11885 df_ri_add_problem): Processes flags in uniform manner.
11886 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
11887 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
11888 df_rd_dump, df_urec_free_bb_info): Formatting changes.
11889 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
11890 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
11891 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
11892 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
11893 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
11894 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
11895 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
11896 * see.c (see_initialize_data): Ditto.
11897 * final.c (rest_of_clean_state) Added regstack_completed.
11898 * rtl.h (regstack_completed): Ditto.
11899 * reg-stack.c (regstack_completed): Ditto.
11901 2006-05-19 Mike Stump <mrs@apple.com>
11903 * c-tree.h (default_conversion): Remove.
11904 * c-common.h (default_conversion): Add.
11906 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
11908 * tree-vrp.c (valid_value_p): New function.
11909 (adjust_range_with_scev): Fail if the value of bound is not
11912 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11914 * config/mips/linux-unwind.h: Include <asm/unistd.h>
11915 (mips_fallback_frame_state): Use syscall numbers to determine
11916 the appropriate li instruction for the current ABI. Only use
11917 __NR_sigreturn for o32.
11919 2006-05-19 Nicolas Setton <setton@adacore.com>
11921 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
11922 * langhooks.c (lhd_dwarf_name): New function.
11923 * langhooks-def.h (lhd_dwarf_name): Declare.
11924 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
11925 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
11927 2006-05-19 Richard Sandiford <richard@codesourcery.com>
11929 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
11931 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
11932 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
11933 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
11934 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
11935 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
11936 determine the size of Wtype, etc.
11937 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
11938 (swfloatfuncs): New variable.
11939 (dwfloatfuncs): Likewise.
11940 (lib2funcs): Remove floating-point conversion functions from
11941 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
11942 the set of conversion routines needed. Allow entries to specify
11943 an object name, filename and word size. Update users accordingly.
11944 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
11945 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
11949 2006-02-08 Roger Sayle <roger@eyesopen.com>
11952 * config/fixtfdi.c: New libgcc source file.
11953 * config/fixunstfdi.c: New source file.
11954 * config/floatditf.c: New source file.
11955 * config/floatunditf.c: New souce file.
11956 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11957 files above instead of config/mips/_tilib.c.
11958 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11960 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11962 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
11963 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
11965 2006-05-18 Mike Stump <mrs@apple.com>
11967 Fix up vla, vm and [*] sematics.
11973 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
11974 (c_vla_unspec_p): Add.
11975 (c_vla_type_p): Add.
11976 * c-decl.c (struct c_scope): Add had_vla_unspec.
11977 (build_array_declarator): Add support for [*].
11978 (grokdeclarator): Likewise.
11979 (grokparms): Likewise.
11980 (get_parm_info): Likewise.
11981 * c-objc-common.c (c_vla_unspec_p): Likewise.
11982 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
11983 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
11984 typeof when argument is a variably modified type not inside sizeof or alignof.
11985 (c_parser_direct_declarator_inner): Propagate errors.
11986 (c_parser_sizeof_expression): Add support for [*].
11987 (c_parser_parms_declarator): Initialize had_vla_unspec.
11988 (c_parser_parms_list_declarator): Likewise.
11989 * c-typeck.c (c_vla_type_p): Add.
11990 (composite_type): Add support for vla compositing.
11991 (comptypes_internal): Add support for vla compatibility.
11992 (c_expr_sizeof_expr): Evaluate vla arguments.
11993 * tree.c (variably_modified_type_p): Update comment for [*].
11995 2006-05-18 Michael Matz <matz@suse.de>
11998 * config.host: Make assignments to host_xmake_file cumulative.
11999 * config.host (*-darwin*): Test $host, not $target.
12001 2006-05-12 Stuart Hastings <stuart@apple.com>
12003 * config/i386/i386.opt (-mstackrealign): New flag.
12004 * config/i386/i386.c (force_align_arg_pointer): New attribute.
12005 (ix86_handle_cconv_attribute): Emit error when
12006 force_align_arg_pointer attribute collides with too many regparms.
12007 (ix86_function_regparm): Limit regparms when used with
12008 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
12009 Support stack-realigning prologue in non-main functions. Emit
12010 warning for nested functions under -mstackrealign, emit error for
12011 nested functions with force_align_arg_pointer attribute.
12012 * doc/extend.texi (force_align_arg_pointer): Document it.
12013 * doc/invoke.texi (-mstackrealign): Document it.
12015 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
12017 PR rtl-optimization/27477
12018 * combine.c (try_combine): Don't split a parallel consisting
12019 of two sets into two individual sets if both sets reference
12022 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
12024 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
12025 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
12027 * doc/options.texi (VarExists): Updated.
12029 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12031 * unwind-dw2.c: Add declarations for uw_update_context and
12032 uw_frame_state_for.
12033 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
12034 detected, advance frame state and context once to skip over stub.
12036 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12038 PR middle-end/20256
12039 PR middle-end/26435
12040 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
12041 Call rewrite_into_loop_closed_ssa only when something changed.
12042 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
12043 * lambda-code.c (can_convert_to_perfect_nest): Declared.
12044 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
12045 Test for perfect_nest_p here. Fix formating.
12046 (replace_uses_equiv_to_x_with_y): Fix formating.
12047 (stmt_uses_op): Removed.
12048 (can_convert_to_perfect_nest): Removed loopivs parameter.
12049 Complete the test by checking the scalar dependences.
12050 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
12053 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12056 From Dan Kegel <dank@kegel.com>:
12057 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
12059 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
12061 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
12062 if the element type is variably modified without recursing.
12064 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12066 PR middle-end/27332
12067 * tree-loop-linear.c (try_interchange_loops): Test for
12068 no data dependences.
12070 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
12072 PR tree-optimization/27548
12073 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
12074 range of ssa names that appear on abnormal edges.
12075 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
12076 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
12078 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12080 PR middle-end/27620
12081 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
12083 2006-05-17 Jakub Jelinek <jakub@redhat.com>
12085 PR middle-end/27415
12086 * tree.h (OMP_PARALLEL_COMBINED): Define.
12087 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
12088 (new_omp_context): Add is_combined_parallel argument.
12089 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
12090 new_omp_context caller.
12091 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
12092 Adjust gimplify_scan_omp_clauses callers.
12093 (omp_is_private): Issue errors if iteration variable is firstprivate
12094 or reduction in the current context.
12095 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
12096 on combined parallel workshare constructs.
12098 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12100 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
12101 (gcc-options.o): New rule.
12103 * optc-gen.awk: Protect variables for gcc-options.o with
12104 #ifdef GCC_DRIVER/#endif.
12106 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
12108 Fix PR tree-optimization/27373
12109 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
12110 (forward_propagate_addr_expr): Update call.
12112 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12114 * doc/options.texi: Move the Negative option.
12116 2006-05-16 Richard Guenther <rguenther@suse.de>
12118 PR tree-optimization/22303
12119 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
12121 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
12122 ccp_fold did not simplify the statement.
12124 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12127 * Makefile.in (GCC_OBJS): New.
12128 (OBJS-common): Add opts-common.o.
12129 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
12130 (cpp$(exeext)): Likewise.
12131 (gcc.o): Also depend on opts.h.
12132 (opts-common.o): New.
12134 * common.opt (gcoff): Add Negative(gdwarf-2).
12135 (gdwarf-2): Add Negative(gstabs).
12136 (gstabs): Add Negative(gstabs+).
12137 (gstabs+): Add Negative(gvms).
12138 (gvms): Add Negative(gxcoff).
12139 (gxcoff): Add Negative(gxcoff+).
12140 (gxcoff+): Add Negative(gcoff).
12141 * config/i386/i386.opt (m32): Add Negative(m64).
12142 (m64): Add Negative(m32).
12144 * doc/options.texi: Document the Negative option.
12146 * gcc.c: Include "opts.h".
12147 (main): Call prune_options after expandargv.
12149 * optc-gen.awk: Generate common declarations for all flag
12150 variables in options.c. Output the neg_index field.
12152 * opts.c (find_opt): Moved to ...
12153 * opts-common.c: Here. New file.
12155 * opts.h (cl_option): Add a neg_index field.
12157 (prune_options): Likewise.
12159 2006-05-16 Jakub Jelinek <jakub@redhat.com>
12161 PR middle-end/27573
12162 * omp-low.c (expand_omp_parallel): Don't assert
12163 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12164 instead search for it.
12167 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12170 2006-05-16 Andreas Schwab <schwab@suse.de>
12172 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12175 2006-05-15 Roger Sayle <roger@eyesopen.com>
12178 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
12179 integer constants other than zero are only legitimate on TARGET_64BIT.
12180 <CONST_VECTOR> Only zero vectors are legitimate.
12181 (ix86_cannot_force_const_mem): Integral and vector constants can
12182 always be put in the constant pool.
12184 2006-05-16 DJ Delorie <dj@redhat.com>
12186 * crtstuff.c (__dso_handle): Set section from
12187 TARGET_LBIGCC_SDATA_SECTION if defined.
12188 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12189 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12191 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
12194 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12197 2006-05-16 Ben Elliston <bje@au.ibm.com>
12199 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12201 2006-05-15 Per Bothner <per@bothner.com>
12203 * tree.c: (last_annotated_node): Use source_locus typedef.
12204 This permits bootstrapping with --enable-mapped-location.
12206 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
12208 PR tree-optimization/26830
12209 * tree-into-ssa.c (struct ssa_name_info): Add age field.
12210 (info_for_ssa_name, current_info_for_ssa_name_age,
12211 blocks_to_update): New variables.
12212 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12213 (clear_ssa_name_info, initialize_flags_in_bb,
12214 mark_block_for_update): New functions.
12215 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12216 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12217 prepare_def_site_for): Use mark_block_for_update.
12218 (mark_def_interesting): Assert that the processed block is marked in
12219 blocks_to_update. Do not take blocks argument.
12220 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12222 (rewrite_update_init_block, rewrite_update_stmt): Only process
12223 blocks with statements to rewrite.
12224 (delete_update_ssa): Do not clear SSA_NAME_AUX.
12225 (update_ssa): Initialize and free blocks_to_update. Do not
12226 clear flags on statements. Do not use blocks bitmap.
12227 * tree.h (SSA_NAME_AUX): Removed.
12228 (struct tree_ssa_name): Removed aux field.
12229 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12231 2006-05-15 Richard Guenther <rguenther@suse.de>
12233 PR tree-optimization/27603
12234 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12235 Do computations in original type.
12237 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
12239 * see.c: Code style changes such as redundant paranthesis,
12240 redundant intialization of local variables etc.
12241 (see_main): Declared now as static.
12242 * doc/invoke.texi: Update that -fsee is not enabled by
12245 2006-05-15 Jakub Jelinek <jakub@redhat.com>
12247 * omp-low.c (check_omp_nesting_restrictions): New function.
12248 (scan_omp_1): Call it.
12250 PR middle-end/27416
12251 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12252 construct, return *VAR.
12254 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
12256 PR rtl-optimization/27406
12257 * bt-load.c (migrate_btr_def): Skip the block having abnormal
12260 2006-05-14 Roger Sayle <roger@eyesopen.com>
12262 PR rtl-optimization/27538
12263 * combine.c (expand_compound_operation): Call gen_lowpart
12264 before calling simplify_shift_const.
12266 2006-05-14 Roger Sayle <roger@eyesopen.com>
12268 PR rtl-optimization/22563
12269 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12270 a fixed width bitfield, always force the intermediates into psuedos.
12272 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
12275 * mkconfig.sh: Use operator = instead of == for test.
12277 2006-05-13 Nick Clifton <nickc@redhat.com>
12279 * dwarf2out.c (dbx_reg_number): Check return value from
12280 LEAF_REG_REMAP and only use it if it is valid.
12281 (multiple_reg_loc_descriptor): Likewise.
12283 2006-05-13 Richard Guenther <rguenther@suse.de>
12285 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
12288 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
12290 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
12291 information attached to non-INSNs such as NOTEs.
12292 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
12294 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
12296 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
12298 * config/s390/s390.md: Adjust comment describing On constraint.
12300 2006-05-11 Jan Hubicka <jh@suse.cz>
12302 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12303 to be output at -O0.
12305 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12307 PR middle-end/27384
12308 * fold-const.c (size_binop): Move sanity check for arguments to
12309 the beginning of the function.
12311 PR middle-end/27488
12312 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
12315 2006-05-11 Richard Guenther <rguenther@suse.de>
12317 PR middle-end/27529
12318 * fold-const.c (fold_unary): Handle intermediate conversion
12319 to a pointer type like intermediate conversion to an integer
12320 type in folding of (T1)(T2)var to var.
12321 Match the code to the comment in the final conversion for
12322 (T1)(T2)var to (T1)var regarding to type precision. Rather
12323 than disallow T1 being of pointer type, assert that both T1
12324 and var are of pointer type or not. Make sure not to fall
12325 over the frontends lazyness wrt array to pointer decay though.
12327 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
12329 * arm.c (arm_struct_value_rtx): Delete.
12330 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
12331 (arm_init_cumulative_args): Always initialize nregs to zero.
12333 2006-05-10 Richard Guenther <rguenther@suse.de>
12335 PR tree-optimization/27532
12336 * tree-object-size.c (plus_expr_object_size): Fix typo.
12338 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
12341 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
12342 ashrdi_const, ashrdi3): Use a scratch register.
12344 2006-05-10 Richard Guenther <rguenther@suse.de>
12346 PR tree-optimization/27302
12347 * fold-const.c (operand_equal_p): For two comparisons,
12348 try comparison of one comparison code swapped if that yields
12351 2006-05-10 Ben Elliston <bje@au.ibm.com>
12353 * tree-pretty-print.c (pretty_print_string): No need to handle
12354 '\0' as a special character.
12356 * tree.h: Include "hashtab.h".
12357 (iterative_hash_expr): Use hashval_t in its prototype.
12358 * Makefile.in (TREE_H): Add $(HASHTAB_H).
12360 2006-05-09 Steve Ellcey <sje@cup.hp.com>
12363 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
12364 (hppa*64*-*-hpux11*): Ditto.
12365 (hppa[12]*-*-hpux11*): Ditto.
12367 2006-05-09 David Edelsohn <edelsohn@gnu.org>
12370 * config/rs6000/aix41.h (TARGET_64BIT): Define.
12372 2006-05-09 Michael Matz <matz@suse.de>
12374 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
12375 host_extra_gcc_objs and host_xmake_file.
12376 (<*-*-linux*>): Don't overwrite host_xmake_file.
12377 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
12378 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
12379 (host_detect_local_cpu): Declare.
12380 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
12381 * config/i386/i386.c (override_options): Handle -mtune=native
12383 * config/i386/x-i386: New file.
12384 * config/i386/driver-i386.c: New file.
12385 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
12388 2006-05-09 Dirk Mueller <dmueller@suse.de>
12389 Richard Guenther <rguenther@suse.de>
12391 PR middle-end/27498
12392 * fold-const.c (fold_read_from_constant_string): Relax check
12393 for matching types to matching modes.
12395 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
12397 PR rtl-optimization/27335
12398 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
12401 2006-05-08 Chao-ying Fu <fu@mips.com>
12402 Richard Sandiford <richard@codesourcery.com>
12404 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
12405 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
12406 * config/mips/mips.md (UNSPEC_SCC): New constant.
12407 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
12408 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
12409 (mips_emit_compare): Use it.
12410 (mips_expand_vcondv2sf): New function.
12412 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
12414 Fix PR tree-optimization/27093
12415 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
12416 renaming when they become not-used_alone.
12418 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12420 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
12421 relocation and relocation stubs.
12423 2006-05-08 Eric Christopher <echristo@apple.com>
12425 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
12428 2006-05-08 Jan Hubicka <jh@suse.cz>
12430 PR middle-end/24561
12431 * cgraphunit.c (decide_is_function_needed): When not optimizing even
12432 unused static functions are needed.
12434 2006-05-08 Roger Sayle <roger@eyesopen.com>
12437 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12438 of a reg_equiv_constant if the result is a legitimate constant.
12440 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12443 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12444 standard 80387 constants, raise the cost to prevent
12445 compress_float_constant() to generate load from memory.
12447 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12449 * config/arm/constraints.md (c): Fix a typo.
12451 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12454 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12457 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12459 (_mm_mwait): Likewise.
12461 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12463 (sse3_monitor): Make it 32bit only.
12464 (sse3_monitor64): New. 64bit monitor.
12466 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12469 * config/i386/i386.c (classify_argument): Skip fields with invalid
12472 2006-05-07 Richard Guenther <rguenther@suse.de>
12474 PR tree-optimization/27409
12475 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12476 Do not try to find zero-sized subvars.
12478 2006-05-07 Richard Guenther <rguenther@suse.de>
12480 PR tree-optimization/27136
12481 * tree-ssa-loop-niter.c (get_val_for): Correct function
12482 comment, assert requirements.
12483 (loop_niter_by_eval): Stop processing if the iterated
12484 value did not simplify.
12486 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12488 * opts.c (flag_see): remove its setting at -O3.
12490 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12492 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12493 * arm/constraints.md: New file.
12494 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12495 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12496 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12497 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12498 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12499 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12500 * arm.md: Include constraints.md.
12501 (thumb_movsi_insn): Use satisfies_constraint_J.
12502 (movhi, movqi): Use satisfies_constraint_I.
12504 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12506 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12507 for atmeg a645 device.
12509 2006-05-06 Richard Guenther <rguenther@suse.de>
12511 PR tree-optimization/27151
12512 * tree-vect-transform.c (vectorizable_condition): Punt on
12513 values that have a different type than the condition.
12515 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12518 * c-parser.c (c_parser_cast_expression): Only insert casts into
12519 hash table if pointer.
12520 * function.c (used_types_insert_helper): Rename from
12522 (used_types_insert): Call used_types_insert_helper.
12523 * function.h (used_types_insert): Accept only one argument.
12525 2006-05-05 David Edelsohn <edesohn@gnu.org>
12527 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12528 scratch with output modifier.
12530 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12533 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12534 with output modifier.
12536 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12539 * config/mips/mips.c (mips_symbolic_address_p): Return true
12540 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12541 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12543 2006-05-04 Richard Guenther <rguenther@suse.de>
12545 PR tree-optimization/14287
12546 PR tree-optimization/14844
12547 PR tree-optimization/19792
12548 PR tree-optimization/21608
12549 PR tree-optimization/27090
12550 * tree-ssa-pre.c (try_combine_conversion): New function.
12551 (compute_avail): After constructing the value-handle
12552 expression, use try_combine_conversion to combine NOP_EXPRs
12553 with previous value-handle expressions and use the result if it
12556 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12558 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12560 2006-05-04 Jan Hubicka <jh@suse.cz>
12562 PR middle-end/25962
12563 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12565 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12567 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12568 that this only matches CONST_INTs. All users changed to VOIDmode
12571 * config/bfin/bfin.c: Include "optabs.h".
12572 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12574 (enum bfin_builtins): Add a number of fractional and vector builtins.
12575 (bfin_init_builtins): Likewise.
12576 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12577 (safe_vector_operand, bfin_expand_binop_builtin,
12578 bfin_expand_unop_builtin): New functions.
12579 (bfin_expand_builtin): Handle the new builtins.
12580 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12583 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12586 * Makefile.in (OBJS-common): Add see.o.
12587 (see.o): Add dependencies.
12588 * common.opt (fsee): New flag for the see optimization was added.
12589 * opts.c (flag_see): Initialized.
12590 * passes.c (init_optimization_passes, pass_see): New pass.
12591 * rtl.h (see_main): Declaration as extern.
12592 * timevar.def (TV_SEE): New.
12593 * tree-pass.h (pass_see): Declaration as extern.
12594 * invoke.texi (-fsee): Document.
12595 * recog.c (validate_simplify_insn): New function.
12596 * recog.h (validate_simplify_insn): Declaration as extern.
12597 * df-problems.c (df_chain_dump): Check for NULL.
12599 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12600 Daniel Berlin <dberlin@dberlin.org>
12602 * cfgrtl.c (insert_insn_bb_end_new): New function.
12603 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12605 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12607 * df.h (struct web_entry): Moved from web.c.
12608 (union_defs): Declaration as extern.
12609 (unionfind_root): Likewise.
12610 (unionfind_union): Likewise.
12611 * web.c (struct web_entry): Moved to df.h.
12612 (unionfind_root): Remove static declaration.
12613 (unionfind_union): Likewise.
12614 (union_defs): Likewise and generalize to use callback function.
12615 (web_main): Update arguments for union_defs function call.
12617 2006-05-04 Richard Guenther <rguenther@suse.de>
12619 PR tree-optimization/26447
12620 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12621 produce SSA_NAME copies before the store stmt to avoid
12622 breaking exception handling.
12624 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12626 PR middle-end/27388
12627 * gimplify.c (omp_is_private): If var is shared in some outer context,
12628 return false instead of true. Stop searching on parallel context
12631 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12634 * coverage.c: Use get_gcov_unsigned_t() instead of
12635 unsigned_type_node all over.
12637 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12639 PR tree-optimization/27381
12640 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12641 maintain the same immediate_use links.
12642 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
12643 node rather than segfaulting.
12645 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12648 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
12649 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
12650 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
12652 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
12654 Fix PR tree-optimization/26626
12655 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
12657 * tree-ssa-operands.c (access_can_touch_variable): Allow
12658 typecasting through union pointers.
12660 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12663 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
12664 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
12665 to find if var will be a global variable even in the nested context.
12666 (omp_copy_decl): Only check for global variable at the end, it might
12667 be overridden in outer contexts.
12668 (scan_sharing_clauses): For global variables don't create a field.
12669 (lower_rec_input_clauses): Do nothing for global shared variables.
12670 Emit a barrier at the end of ILIST if there were any decls in both
12671 firstprivate and lastprivate clauses.
12672 (lower_send_clauses): Do nothing for global variables except for
12675 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
12677 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
12678 of the correct signedness is returned.
12680 2006-05-02 Jeff Law <law@redhat.com>
12682 PR tree-optimization/27364
12683 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
12684 multiply expressions.
12686 2006-05-02 Tom Tromey <tromey@redhat.com>
12688 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
12690 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
12693 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
12694 -mthumb -fPIC are used.
12696 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
12697 Joshua Kinard <kumba@gentoo.org>
12700 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
12701 with 64-bit pointers.
12703 2006-05-02 Paul Brook <paul@codesourcery.com>
12705 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
12707 (create_fix_barrier): Check that a suitable barrier location is
12709 (arm_reorg): Include ftmp->address in allowable range of addresses.
12711 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
12714 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
12717 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12719 PR middle-end/27337
12720 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
12721 around RESULT_DECL for result passed by reference.
12722 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
12723 * omp-low.c (use_pointer_for_field): Don't look at
12724 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
12725 (scan_omp_1): Call remap_decl on RESULT_DECLs.
12726 (lower_rec_input_clauses): Don't allocate VLA memory for the second
12727 time or var for passing by reference for
12728 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
12729 TREE_ADDRESSABLE variables when passing by reference.
12731 * omp-low.c (dump_omp_region): Fix output formatting.
12733 PR middle-end/27328
12734 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
12735 (expand_omp_parallel): Likewise.
12736 * tree-cfg.c (move_sese_region_to_fn): Likewise.
12738 PR middle-end/27325
12739 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
12740 on statement list containing also constructors and destructors.
12741 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
12743 PR middle-end/27310
12744 * except.c (duplicate_eh_regions): Fix clearing of
12745 cfun->eh->region_array entries.
12747 2006-05-01 DJ Delorie <dj@redhat.com>
12749 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
12751 (gcc_cv_objdump): Likewise.
12752 * configure: Regenerated.
12754 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
12757 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
12758 templates for case 3 and 4.
12760 2006-05-01 DJ Delorie <dj@redhat.com>
12762 * vec.c: Include bconfig.h when appropriate.
12763 * Makefile.in (build/vec.o): Adjust dependencies.
12764 * mkconfig.sh: Make sure config.h isn't used for build machine
12767 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12769 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
12771 (mark_phi_for_rewrite): New function.
12772 (insert_phi_nodes_for, mark_use_interesting): Call
12773 mark_phi_for_rewrite.
12774 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
12775 (update_ssa): Initialize and free phis_to_rewrite.
12777 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12779 PR rtl-optimization/27291
12780 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
12781 folded to a constant.
12783 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12785 PR tree-optimization/27283
12786 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
12787 not whole # of iteration descriptions.
12788 (niter_for_exit): Return just # of iterations. Fail if # of iterations
12789 uses abnormal ssa name.
12790 (niter_for_single_dom_exit): Ditto.
12791 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
12792 return just the number of iterations.
12794 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12796 PR tree-optimization/27144
12797 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
12798 (record_estimate): Only record constant upper bound.
12799 (infer_loop_bounds_from_undefined): Call
12800 compute_estimated_nb_iterations just once.
12801 (proved_non_wrapping_p): Renamed to ...
12802 (n_of_executions_at_most): ... this. Expect bound to be a constant.
12803 (convert_step_widening, scev_probably_wraps_p): Call
12804 n_of_executions_at_most instead of proved_non_wrapping_p.
12805 (substitute_in_loop_info): Do not replace values in bounds.
12806 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
12809 2006-05-01 Richard Henderson <rth@redhat.com>
12812 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
12813 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
12816 2006-05-01 Roger Sayle <roger@eyesopen.com>
12818 * c-typeck.c (parser_build_binary_op): Don't call the function
12819 unsigned_conversion_warning to spot operand/result type overflow.
12820 (build_binary_op): Instead, call convert_and_check instead of
12821 convert to report the problem when the operands are promoted.
12822 * c-common.c (unsigned_conversion_warning): Make static.
12823 * c-common.h (unsigned_conversion_warning): Delete prototype.
12825 2006-05-01 Richard Guenther <rguenther@suse.de>
12827 PR tree-optimization/26726
12828 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
12830 (find_interesting_uses_address): ... we work around here
12831 by folding INDIRECT_REFs in the substituted base.
12833 2006-05-01 Diego Novillo <dnovillo@redhat.com>
12835 * omp-low.c (dump_omp_region): Add newlines.
12837 2006-04-30 Roger Sayle <roger@eyesopen.com>
12839 * common.opt (Woverflow): New command line option.
12840 * c-common.c (constant_expression_warning): Check warn_overflow.
12841 (overflow_waring): Pass OPT_Woverflow to warning.
12842 (unsigned_conversion_warning): Likewise.
12843 (convert_and_check): Likewise.
12844 * doc/invoke.texi: Document new command line option.
12846 2006-04-30 David Edelsohn <edelsohn@gnu.org>
12848 * config/rs6000/rs6000.c (rs6000_override_options): Enable
12849 TARGET_NO_FP_IN_TOC for section anchors.
12850 (optimization_options): Enable section anchors for all
12851 non-"Objective" languages.
12853 2006-04-28 Eric Christopher <echristo@apple.com>
12855 * config/darwin-c.c (darwin_ms_struct): Move this
12856 (darwin_set_default_type_attributes): and this...
12857 * config/darwin.c: ... here.
12858 * config/darwin.h (darwin_ms_struct): Declare.
12860 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
12862 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
12864 2006-04-28 Roger Sayle <roger@eyesopen.com>
12867 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
12868 (push_array_bounds): Delete prototype. Change BOUNDS argument to
12869 an unsigned HOST_WIDE_INT.
12870 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
12872 (really_start_incremental_init): No need to call convert because
12873 bitsize_zero_node is already of type bitsizetype.
12874 (push_init_level): Extract the value of constructor_index as an
12875 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
12876 (process_init_element): Likewise.
12878 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
12880 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
12881 value before passing to make_relative_prefix.
12883 2006-04-28 Alan Modra <amodra@bigpond.net.au>
12885 PR middle-end/27260
12886 * builtins.c (expand_builtin_memset): Expand val in original mode.
12888 2006-04-27 Eric Christopher <echristo@apple.com>
12890 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
12891 with #ifndef/#endif.
12892 * config/darwin-c.c (darwin_ms_struct): New.
12893 (darwin_pragma_ms_struct): Ditto.
12894 (darwin_set_default_type_attributes): Ditto.
12895 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
12896 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
12897 Register ms_struct pragma.
12898 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
12899 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
12900 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
12901 darwin_set_default_type_attributes if TARGET_MACHO.
12903 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
12905 PR tree-optimization/26854
12906 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
12907 * doc/tree-ssa.texi: Update immuse iterator documentation.
12908 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
12909 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
12910 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
12911 first_safe_imm_use, next_safe_imm_use): Remove.
12912 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
12913 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
12914 (move_use_after_head): New. Helper function to sort immuses in a stmt.
12915 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
12916 (first_imm_use_stmt): New. Get first stmt in an immuse list.
12917 (next_imm_use_stmt): New. Get next stmt in an immuse list.
12918 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
12919 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
12920 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
12921 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
12922 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
12923 (perfect_nestify): Use new iterator.
12924 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
12926 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
12927 (next_imm_name): New field in struct immediate_use_iterator_d.
12928 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
12929 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
12930 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
12931 * tree-cfg.c (replace_uses_by): Use new iterator.
12932 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
12933 * tree-ssa-operands.c (correct_use_link): Remove.
12934 (finalize_ssa_use_ops): No longer call correct_use_link.
12936 2006-04-27 Stuart Hastings <stuart@apple.com>
12938 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
12939 * config/t-darwin (crt3.o): Use it.
12940 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
12941 'pmode', use Pmode instead of SImode for SYMBOL_REF.
12942 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
12943 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
12944 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
12947 2006-04-27 Roger Sayle <roger@eyesopen.com>
12949 * expmed.c (store_fixed_bit_field): If we're not optimizing for
12950 size, force the intermediate into a new pseudo rather instead of
12951 performing both a bitwise AND and a bitwise IOR in memory.
12953 2006-04-27 Richard Guenther <rguenther@suse.de>
12955 PR rtl-optimization/26685
12956 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
12957 this one "max-flow-memory-locations".
12959 2006-04-27 Richard Guenther <rguenther@suse.de>
12961 PR tree-optimization/25148
12962 * tree-vrp.c (compare_values): Remove code dealing with
12963 comparisons against type min/max value. Honour overflow
12964 and negative constants in code dealing with comparisons
12965 of plus and minus expressions.
12966 (value_inside_range): Use fold_binary with LE_EXPR and
12967 GE_EXPR rather than compare_values.
12969 2006-04-27 Dirk Mueller <dmueller@suse.de>
12971 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
12974 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
12976 * basic-block.h (safe_insert_insn_on_edge): Removed.
12977 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
12979 2006-04-26 David Edelsohn <edelsohn@gnu.org>
12980 Paolo Bonzini <bonzini@gnu.org>
12982 PR middle-end/27282
12983 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
12984 (simplify_and_const_int): Same.
12986 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
12988 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
12990 2006-04-26 Jakub Jelinek <jakub@redhat.com>
12993 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
12994 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
12995 cgraph_global_info_ready.
12997 PR middle-end/26913
12998 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
13001 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
13002 either decl or init is error_mark_node.
13004 PR middle-end/25989
13005 * tree-flow.h (struct omp_region): Add sched_kind.
13006 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
13007 instead of extracting omp for data.
13008 (expand_omp_for): Save extracted sched_kind.
13010 2006-04-25 Roger Sayle <roger@eyesopen.com>
13012 * expmed.c (store_bit_field): Also check whether the bitsize is
13013 valid for the machine's "insv" instruction before moving the
13014 target into a pseudo for use with the insv.
13015 * config/i386/predicates.md (const8_operand): New predicate.
13016 * config/i386/i386.md (extv, extzv, insv): Use the new
13017 const8_operand predicate where appropriate.
13019 2006-04-25 DJ Delorie <dj@redhat.com>
13021 * doc/install.texi (Specific): Clarify that this is not a list of
13022 supported hosts or targets.
13024 2006-04-25 Richard Sandiford <richard@codesourcery.com>
13026 PR rtl-optimization/26725
13027 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
13028 block's BB_DIRTY flag.
13030 2006-04-25 Geoffrey Keating <geoffk@apple.com>
13032 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
13035 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
13036 to print an integer.
13038 2006-04-25 David Edelsohn <edelsohn@gnu.org>
13040 * varasm.c (align_variable): New function.
13041 (get_block_for_decl): Apply align_variable to DECL before
13042 calculating section information.
13043 (assemble_variable): Split out alignment computation.
13045 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
13047 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
13050 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
13052 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
13053 MODE_PARTIAL_INT mode.
13054 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
13055 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
13057 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
13058 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
13060 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
13062 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
13064 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
13065 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
13066 MACFLAG_IH): Likewise.
13067 (movstricthi_1): Renamed from "*movstricthi".
13068 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
13069 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
13070 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
13071 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
13072 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
13073 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
13074 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
13075 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
13076 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
13077 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
13078 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
13079 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
13080 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
13081 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
13082 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
13084 * doc/rtl.texi (ss_ashift): Improve wording.
13086 2006-04-24 Geoffrey Keating <geoffk@apple.com>
13088 * dwarf2out.c (verify_marks_clear): New.
13089 (prune_unused_types): Call verify_marks_clear initially, not
13092 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
13094 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
13095 * doc/rtl.texi: Document them.
13096 * simplify-rtx.c (simplify_unary_operation,
13097 simplify_binary_operation_1): Don't abort when we see them.
13099 2006-04-24 Mark Mitchell <mark@codesourcery.com>
13102 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13103 * configure.ac: Completely disregard languages that are not
13105 * configure: Regenerated.
13107 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13108 Richard Guenther <rguenther@suse.de>
13110 PR tree-optimization/27236
13111 * tree-inline.c (copy_body_r): Make sure to copy
13112 TREE_THIS_VOLATILE flag.
13114 2006-04-24 Richard Guenther <rguenther@suse.de>
13116 PR middle-end/26869
13117 * tree-complex.c (update_parameter_components): Don't handle
13118 unused parameters which have no default def.
13120 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13121 Richard Guenther <rguenther@suse.de>
13123 PR tree-optimization/27218
13124 * tree-inline.c (expand_call_inline): Strip useless type
13125 conversions for the return slot address.
13127 2006-04-24 Richard Guenther <rguenther@suse.de>
13129 * cfgloop.h (struct loops): Remove unused field array. Reorder
13131 (LOOP_PREFETCH): Remove.
13133 2006-04-24 Richard Guenther <rguenther@suse.de>
13135 PR tree-optimization/22525
13136 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
13137 variable, adjust types of generated expressions.
13139 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
13141 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
13142 (tree-vect-patterns.o): Likewise.
13143 (jump.o): Likewise.
13144 (cselib.o): Likewise.
13145 (loop-doloop.o): Likewise.
13146 (regclass.o): Likewise.
13147 (reload1.o): Likewise.
13148 (explow.o): Replace target.h with $(TARGET_H).
13149 (ipa-prop.o): Likewise.
13150 (ipa-cp.o): Likewise.
13151 (ipa-inline.o): Likewise.
13152 (reorg.o): Likewise.
13153 (reg-stack.o): Likewise.
13155 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13157 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13159 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13161 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13163 * configure.ac: Completely disregard languages that are not
13165 * configure: Regenerated.
13168 * c-common.h (c_build_bitfield_integer_type): Declare.
13169 * c-decl.c (c_build_bitfield_integer_type): Move to ...
13170 * c-common.c (c_build_bitfield_integer_type): ... here.
13172 2006-04-23 Roger Sayle <roger@eyesopen.com>
13175 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13176 a SImode SUBREG of a floating point register after no_new_pseudos.
13178 2006-04-23 Roger Sayle <roger@eyesopen.com>
13180 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13181 identify potentially eliminable registers to additionally catch
13182 VIRTUAL_INCOMING_ARGS_REGNUM.
13183 (addsi3): Update the conditions on when to use addsi_small_int.
13185 2006-04-23 Roger Sayle <roger@eyesopen.com>
13188 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13189 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13190 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13192 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13194 * fold-const.c (range_predecessor): Use operand_equal_p
13195 as the predicate for equality.
13196 (range_successor): Likewise.
13198 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13201 * config/soft-fp/op-common.h: Fix a typo.
13203 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
13205 PR libmudflap/26864
13206 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13207 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13209 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13211 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13213 * doc/tm.texi: Fix a typo.
13215 2006-04-21 Geoffrey Keating <geoffk@apple.com>
13217 * dwarf2out.c (struct die_struct): Document that die_sib makes
13218 a circular linked list.
13219 (FOR_EACH_CHILD): New.
13220 (reverse_die_lists): Delete.
13221 (reverse_all_dies): Delete.
13222 (add_dwarf_attr): Correct documentation.
13223 (remove_child_with_prev): New.
13224 (remove_child_TAG): Update for change to die_struct, use
13225 remove_child_with_prev.
13226 (add_child_die): Update for change to die_struct.
13227 (splice_child_die): Use remove_child_with_prev and add_child_die.
13228 (print_die): Use FOR_EACH_CHILD.
13229 (die_checksum): Likewise.
13230 (assign_symbol_names): Likewise.
13231 (output_location_lists): Likewise.
13232 (build_abbrev_table): Likewise.
13233 (calc_die_sizes): Likewise.
13234 (mark_dies): Likewise.
13235 (unmark_dies): Likewise.
13236 (unmark_all_dies): Likewise.
13237 (output_die): Likewise.
13238 (prune_unused_types_mark): Likewise.
13239 (prune_unused_types_walk): Likewise.
13240 (same_die_p): Update for change to die_struct.
13241 (break_out_includes): Likewise.
13242 (prune_unused_types_prune): Likewise.
13243 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13244 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13245 it's already clear.
13246 (dwarf2out_finish): Don't call reverse_all_dies.
13248 2006-04-21 Eric Christopher <echristo@apple.com>
13250 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13251 in comments and function names.
13253 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13256 * c-typeck.c (digest_init): Robustify.
13258 * c-typeck.c (pop_init_level): Simplify.
13260 2006-04-21 Steve Ellcey <sje@cup.hp.com>
13262 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13264 2006-04-21 Paul Brook <paul@codesourcery.com>
13266 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13267 hardware floating point.
13269 2006-04-21 David Edelsohn <edelsohn@gnu.org>
13271 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13274 2006-04-21 Nick Clifton <nickc@redhat.com>
13276 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13279 2006-04-21 Alan Modra <amodra@bigpond.net.au>
13282 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
13283 C++ lang type in traceback table for Objective-C++.
13285 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
13287 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
13289 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
13291 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13294 * tree-mudflap.c (mudflap_finish_file): Skip function when there
13295 were errors. Remove check for erroneous objects.
13297 2006-04-20 Jeff Law <law@redhat.com>
13299 PR tree-optimization/26854
13300 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
13301 checking for zero or one use.
13302 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
13303 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
13304 * tree-ssa-reassoc.c (negate_value): Similarly.
13305 (reassociate_bb): Similarly.
13307 2006-04-20 Jakub Jelinek <jakub@redhat.com>
13310 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
13311 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
13312 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
13314 2006-04-20 Alan Modra <amodra@bigpond.net.au>
13316 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
13317 fp regs if the last fp arg doesn't fit in regs.
13319 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
13322 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
13323 that the last insn has the REG_INC note.
13325 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
13326 Nathan Sidwell <nathan@codesourcery.com>
13329 * stor-layout.c (update_alignment_for_field): Do not align
13331 (place_union_field): Place union field at the start of the union.
13332 (place_field): Move ERROR_MARK check later, and use the current
13333 allocation position to maintain monotonicity.
13335 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
13337 * dominance.c: Include timevar.h.
13338 (calculate_dominance_info): Use TV_DOMINANCE.
13339 * timevar.def (TV_DOMINANCE): New timevar.
13340 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
13342 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13344 PR rtl-optimization/14261
13345 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
13346 move would be an INSV insn.
13347 (noce_process_if_block): Don't optimize if the destination is a
13348 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
13350 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13352 * config/s390/s390.md: Add comments with the instructions emitted
13353 by an insn pattern if macros are used.
13355 2006-04-19 Alan Modra <amodra@bigpond.net.au>
13357 PR rtl-optimization/26026
13358 * fold-const.c (fold_binary): Optimize div and mod where the divisor
13359 is a known power of two shifted left a variable amount.
13361 2006-04-18 Geoffrey Keating <geoffk@apple.com>
13363 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
13364 to hash table twice when the debug_str section has SECTION_MERGE.
13366 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
13368 * config/soft-fp: New directory. From glibc.
13369 * config/soft-fp/t-softfp: New.
13370 * config/soft-fp/README: New.
13371 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
13372 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
13373 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
13374 (LIBGCC_DEPS): Add $(SFP_MACHINE).
13375 * config.gcc: Use rs6000/t-fprules-fpbit or
13376 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
13378 * config/rs6000/sfp-machine.h: New. Based on glibc.
13379 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
13381 * config/rs6000/t-fprules: Remove fp-bit rules.
13382 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
13383 * config/rs6000/t-linux64: Likewise. Remove duplicates from
13384 LIB2FUNCS_EXTRA. Remove fp-bit rules.
13385 (softfp_wrap_start, softfp_wrap_end): New.
13387 2006-04-18 DJ Delorie <dj@redhat.com>
13389 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
13391 2006-04-18 Devang Patel <dpatel@apple.com>
13393 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
13395 2006-04-18 Nick Clifton <nickc@redhat.com>
13397 * config/sh/t-symbian: Add rule to build sh-c.o
13398 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
13399 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
13400 (sh_symbian_encode_section_info): Likewise.
13402 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
13404 * builtins.c (expand_builtin_strcmp): Cover label definition of
13405 do_libcall with HAVE_cmpstrnsi.
13407 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
13409 * function.c (temp_slots_at_level, max_slot_level): Use VEC
13411 * function.h (temp_slot_p): New.
13412 (function): Change the type of x_used_temp_slots to
13413 VEC(temp_slot_p,gc) *.
13415 2006-04-18 Nick Clifton <nickc@redhat.com>
13417 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
13418 flag_strength_reduce.
13420 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
13422 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13426 Partial revert of revision 112637
13427 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13428 Dale Johannesen <dalej@apple.com>
13431 * regclass.c (struct reg_pref): Update documentation.
13432 (regclass): Set prefclass to NO_REGS if memory is the best option.
13433 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13435 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13437 PR tree-optimization/26821
13438 * tree-ssa-math-opts.c (get_constant_one): New.
13439 (insert_reciprocals): Use it.
13441 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13443 * dwarf2out.c (free_AT): Delete.
13444 (remove_AT): Update string ref counts.
13445 (remove_child_TAG): Don't call free_die.
13446 (free_die): Delete.
13447 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13448 or DW_TAG_GNU_EINCL.
13449 (prune_unused_types_walk_attribs): Reset string refcounts.
13450 (prune_unused_types_update_strings): New.
13451 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13452 call free_die. Do call prune_unused_types_update_strings.
13453 (prune_unused_types): Empty debug_str_hash.
13455 2006-04-17 Roger Sayle <roger@eyesopen.com>
13457 * expr.c (expand_assignment): Optimize away no-op moves where the
13458 source and destination are equal and have no side-effects.
13460 2006-04-17 Richard Guenther <rguenther@suse.de>
13463 * reload.c (push_reload): Guard calls to get_secondary_mem
13464 for memory subregs.
13466 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13468 * alias.c (reg_base_value, old_reg_base_value): Change the
13469 type to VEC(rtx,gc) *.
13470 (REG_BASE_VALUE, find_base_value, record_set,
13471 init_alias_analysis): Use VEC instead of VARRAY.
13473 * alias.c (alias_sets): Change the type to
13474 VEC(alias_set_entry,gc) *.
13475 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13476 VEC instead of VARRAY.
13477 (last_alias_set): Remove.
13479 * cgraph.h (cgraph_edge_p): New.
13480 Update the prototype of cgraph_function_versioning.
13481 * cgraphunit.c (cgraph_copy_node_for_versioning,
13482 cgraph_function_versioning): Use VEC instead of VARRAY.
13483 * ipa-cp.c (ipcp_insert_stage): Likewise.
13485 2006-04-16 Roger Sayle <roger@eyesopen.com>
13488 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13489 "A op B" or "A op C", we may need to convert A to the type of B and C.
13491 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13493 * target.h (struct gcc_target): Add mode_rep_extended.
13494 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13495 (init_num_sign_bit_copies_in_rep): Initialize it using
13497 (truncate_to_mode): Use it.
13498 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13499 * targhooks.h (default_mode_rep_extended): Declare it.
13500 * targhooks.c (default_mode_rep_extended): Define it.
13501 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13502 default_mode_rep_extended.
13503 (TARGET_INITIALIZER): Include it.
13504 * doc/tm.texi (Misc): Document it.
13505 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13506 (mips_truncated_to_mode): New function.
13508 2006-04-16 Roger Sayle <roger@eyesopen.com>
13510 PR middle-end/25474
13511 * expr.c (compress_float_constant): Copy the narrow constant into
13512 a new pseudo before extending it to its final width.
13514 2006-04-16 Roger Sayle <roger@eyesopen.com>
13515 Andrew Pinski <pinskia@gcc.gnu.org>
13516 Dale Johannesen <dalej@apple.com>
13519 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13520 special case code to implement V8HImode and V16QImode with SSE2.
13522 2006-04-15 Roger Sayle <roger@eyesopen.com>
13524 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13525 trees are constructed with a suitable tree type.
13527 2006-04-15 Roger Sayle <roger@eyesopen.com>
13529 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13530 (integer_onep): Likewise.
13531 (integer_all_onesp): Likewise.
13532 (integer_pow2p): Likewise.
13533 (integer_nonzerop): Likewise.
13534 (real_zerop): Likewise.
13535 (real_onep): Likewise.
13536 (real_twop): Likewise.
13537 (real_minus_onep): Likewise.
13538 (int_size_in_bytes): Likewise.
13539 (host_integerp): Likewise.
13541 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13543 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13544 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13545 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13547 * tree-ssa-structalias.h (alias_info): Remove num_references.
13549 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13551 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13552 (output_bvb patterns): Likewise.
13553 * pa.c (output_bb): Use 'bb' insn for long branch case.
13554 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13555 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13556 1. Correct length operand for alternatives 1 and 2.
13557 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13558 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13560 2006-04-14 Roger Sayle <roger@eyesopen.com>
13562 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13563 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13564 were accidentally reverted by r112959.
13566 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13568 PR middle-end/26823
13569 * except.h (eh_region_outermost): New prototype.
13570 * except.c (eh_region_outermost): New function.
13571 * tree-cfg.c (find_outermost_region_in_block): Use it.
13573 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13575 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13577 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13578 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13579 (init_reload, reload): Use VEC instead of VARRAY.
13580 * reload.h: Update the prototype for
13581 reg_equiv_memory_loc_varray.
13583 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13584 Eric Botcazou <ebotcazou@libertysurf.fr>
13586 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13587 register save area.
13589 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13591 PR middle-end/27134
13592 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13593 to expand fallback builtin function call.
13595 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13597 PR middle-end/27095
13598 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13599 and emit libcall here in case the builtin fails.
13600 (expand_builtin_strcmp): Always emit the libcall here on failure.
13602 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13604 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13605 * flow.c (reg_n_info): Change the type to
13606 VEC(reg_info_p,heap) *.
13607 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13609 * regs.h (reg_info_p): New.
13610 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13611 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13612 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13615 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13617 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13619 * params.h (MAX_SCHED_READY_INSNS): New macro.
13620 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13621 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13622 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13623 the ready list for 1 cycle during the first scheduling pass.
13624 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13626 2006-04-13 Richard Henderson <rth@redhat.com>
13629 * gimple-low.c (lower_omp_directive): Remove dead code.
13630 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13631 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13632 * omp-low.c (struct omp_region): Move to tree-flow.h.
13633 (root_omp_region): Export.
13634 (omp_regions, lookup_omp_region): Remove.
13635 (determine_parallel_type): Update for struct omp_region changes.
13636 (dump_omp_region): Dump regions with block numbers.
13637 (new_omp_region): Take type and block instead of stmt; malloc
13639 (free_omp_region_1, free_omp_regions): New.
13640 (expand_parallel_call): Take entry_stmt as argument; update for
13641 changes to omp_region.
13642 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
13643 (remove_exit_barriers): New.
13644 (expand_omp_parallel): Update for struct omp_region changes.
13645 (expand_omp_synch): Likewise.
13646 (expand_omp): Likewise.
13647 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
13648 (expand_omp_for_static_chunk): Likewise.
13649 (expand_omp_for): Likewise.
13650 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
13651 (expand_omp_sections): Similarly, with GOMP_sections_end.
13652 (expand_omp_single): New.
13653 (build_omp_regions_1): Update for OMP_CONTINUE.
13654 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
13655 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
13656 OMP_SECTIONS_SECTIONS.
13657 (lower_omp_single_simple): Don't emit barrier here.
13658 (lower_omp_single_copy): Likewise.
13659 (lower_omp_single): Fix bindings, and lower to straightline now.
13660 (lower_omp_master, lower_omp_ordered): Likewise.
13661 (lower_omp_critical): Likewise.
13662 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
13663 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
13664 omp edges, free it afterward.
13665 (make_omp_sections_edges): Remove.
13666 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
13667 (move_stmt_r): Handle OMP_CONTINUE.
13668 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
13669 statement pointers to basic blocks. Add type member.
13670 (root_omp_region, new_omp_region, free_omp_regions): Declare.
13671 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
13672 * tree-inline.c (estimate_num_insns_1): Likewise.
13673 * tree-pretty-print.c (dump_generic_node): Likewise.
13674 * tree-ssa-operands.c (get_expr_operands): Likewise.
13675 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
13676 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
13677 (OMP_CONTINUE): New.
13678 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
13679 (OMP_SECTIONS_SECTIONS): Remove.
13680 (OMP_SECTION_LAST): New.
13681 (OMP_RETURN_NOWAIT): New.
13683 2006-04-13 Roger Sayle <roger@eyesopen.com>
13685 * fold-const.c (native_encode_vector, native_interpret_real):
13686 Correct obvious mistakes in the previous check-in.
13688 2006-04-13 Roger Sayle <roger@eyesopen.com>
13690 * fold-const.c (native_encode_expr): New function to encode
13691 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
13692 or VECTOR_CST into a specified buffer.
13693 (native_encode_int): New function.
13694 (native_encode_real): New function.
13695 (native_encode_complex): New function.
13696 (native_encode_vector): New function.
13697 (native_interpret_expr): Inverse of native_encode_expr to convert
13698 a target representation into an INTEGER_CST, REAL_CST etc...
13699 (native_interpret_int): New function.
13700 (native_interpret_real): New function.
13701 (native_interpret_complex): New function.
13702 (native_interpret_vector): New function.
13703 (fold_view_convert_expr): New function to constant fold/evaluate
13704 a VIEW_CONVERT_EXPR of a suitable constant expression.
13705 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
13706 Change call of build1 to fold_build1 when constructing a
13709 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
13710 Ulrich Weigand <uweigand@de.ibm.com>
13713 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
13716 2006-04-13 Alan Modra <amodra@bigpond.net.au>
13719 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
13720 optimize to lo_sum for DFmode if !TARGET_FPRS.
13722 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13724 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
13725 delete_alias_info, compute_flow_sensitive_aliasing,
13726 group_aliases): Use VEC instead of VARRAY.
13727 * tree-ssa-structalias.c (update_alias_info): Likewise.
13728 * tree-ssa-structalias.h (alias_info): Change the type of
13729 processed_ptrs to VEC(tree,heap) *.
13731 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
13734 * config/sh/lib1funcs.h: New file, broken out of:
13735 * config/sh/lib1funcs.asm.
13736 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
13738 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
13739 * config/sh/lib1funcs-Os-4-200.asm: New file.
13740 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
13741 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
13742 (EXTRA_MULTILIB_PARTS): Include it.
13743 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
13744 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
13745 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
13746 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
13749 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13751 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
13752 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
13753 tpa_compact, root_var_init, type_var_init): Use VEC instead of
13755 * tree-ssa-live.h: Include vecprim.h.
13756 (tree_partition_associator_d): Change the type of
13757 first_partition to VEC(int,heap) *.
13758 (tpa_first_partition): Use VEC instead of VARRAY.
13760 * Makefile.in (GTFILES): Move functions.h after tree.h.
13761 * function.c (reset_block_changes, record_block_change,
13762 check_block_change, free_block_changes): Use VEC instead of
13764 * function.h (function): Change the type of
13765 ib_boundaries_block to VEC(tree,gc) *.
13766 * tree-inline.c (copy_cfg_body): Initialize
13767 ib_boundaries_block to NULL instead of (varray_type) 0.
13769 2006-04-12 Roger Sayle <roger@eyesopen.com>
13771 * expr.c (emit_group_store): Correct operand order in call to
13772 subreg_lowpart_offset. Always create paradoxical SUBREGs with
13773 a SUBREG_BYTE of zero.
13775 2006-04-12 Richard Guenther <rguenther@suse.de>
13777 * profile.c (compute_branch_probabilities): Remove code
13778 encapsulated in !ir_type (), which are remanents of the
13779 removed RTL profiling code.
13780 * rtl-profile.c: Remove.
13782 2006-04-12 Alan Modra <amodra@bigpond.net.au>
13784 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
13785 magic NULL_RTX comment.
13786 (function_arg): Store entire fp arg to mem if any part should go
13788 (rs6000_arg_partial_bytes): Adjust for above change.
13790 2006-04-11 Roger Sayle <roger@eyesopen.com>
13792 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
13793 if it hasn't been initialized by dwarf2out_init.
13795 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
13797 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
13798 symbolic constants in branch patterns.
13800 2006-04-11 Roger Sayle <roger@eyesopen.com>
13802 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
13804 2006-04-11 Richard Sandiford <richard@codesourcery.com>
13806 PR rtl-optimization/27073
13807 * gcse.c (try_replace_reg): Revert last change. Continue to search
13808 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
13811 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
13813 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
13814 aggregate types other than record and union types.
13815 (function_arg): Likewise.
13816 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
13818 (function_value): In 64-bit mode, return objects that require it
13821 2006-04-11 Roger Sayle <roger@eyesopen.com>
13823 * dwarf2out.c (premark_used_types): Remove problematic prototype.
13825 2006-04-11 Jakub Jelinek <jakub@redhat.com>
13827 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
13829 2006-04-03 Jeff Law <law@redhat.com>
13832 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
13833 alias information too.
13835 2006-04-10 Mike Frysinger <vapier@gentoo.org>
13837 * Makefile.in (gcc-cross): Add $(exeext) to target name.
13839 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
13842 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
13843 (premark_used_types_helper): New.
13844 (premark_used_types): New.
13845 (gen_subprogram_die): Call premark_used_types.
13846 (prune_unused_types_walk): Do not prune perennial dies.
13847 * function.c (used_types_insert): New.
13848 * function.h (struct function): Add used_types_hash field.
13849 (used_types_insert): Add prototype.
13850 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
13851 * c-parser.c (c_parser_cast_expression): Save casted types in used
13854 2006-04-11 Mark Mitchell <mark@codesourcery.com>
13857 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
13858 rs6000_explicit_options.float_gprs.
13860 2006-04-10 Roger Sayle <roger@eyesopen.com>
13862 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
13863 from ix86_expand_vector_init_low_nonzero. Take an additional
13864 one_var argument indicating which element is non-zero. Support
13865 one_var != 0 for V4SFmode and V4SImode by permuting the result.
13866 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
13867 with one_var instead of ix86_expand_vector_init_low_nonzero.
13869 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
13871 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
13872 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
13873 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
13874 build/genextract.o): Depend on vecprim.h.
13875 * cfglayout.c, df-problems.c, function.c, genextract.c,
13876 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
13877 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
13881 2006-04-10 Geoffrey Keating <geoffk@apple.com>
13883 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
13884 Declare VECs of this type.
13885 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
13886 (remove_children): Delete.
13887 (add_dwarf_attr): Use VEC routines.
13888 (add_AT_flag): Update for changes to add_dwarf_attr.
13889 (add_AT_int): Likewise.
13890 (add_AT_unsigned): Likewise.
13891 (add_AT_long_long): Likewise.
13892 (add_AT_vec): Likewise.
13893 (add_AT_string): Likewise.
13894 (add_AT_die_ref): Likewise.
13895 (add_AT_fde_ref): Likewise.
13896 (add_AT_loc): Likewise.
13897 (add_AT_loc_list): Likewise.
13898 (add_AT_addr): Likewise.
13899 (add_AT_lbl_id): Likewise.
13900 (add_AT_lineptr): Likewise.
13901 (add_AT_macptr): Likewise.
13902 (add_AT_offset): Likewise.
13903 (add_AT_range_list): Likewise.
13904 (get_AT): Use VEC_iterate.
13905 (remove_AT): Use VEC_ordered_remove.
13906 (free_die): Fold remove_children into here; have it use VEC_iterate.
13907 (print_die): Use VEC_iterate on attrs.
13908 (reverse_die_lists): Don't reverse attr lists.
13909 (die_checksum): Use VEC_iterate on attrs.
13910 (same_die_p): Likewise.
13911 (output_location_lists): Likewise.
13912 (build_abbrev_table): Likewise.
13913 (size_of_die): Likewise.
13914 (unmark_all_dies): Likewise.
13915 (output_abbrev_section): Likewise.
13916 (output_die): Likewise.
13917 (prune_unused_types_walk_attribs): Likewise.
13919 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13921 * doc/install.texi (*-*-solaris2*): Point to the configure page.
13923 2006-04-10 Jakub Jelinek <jakub@redhat.com>
13926 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
13928 2006-04-09 Roger Sayle <roger@eyesopen.com>
13930 * expr.c (store_constructor): Don't bother clearing target if
13931 we're about to assign a vector to it using vec_init_optab.
13933 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
13935 * tree-ssa-alias.c (lhs_may_store_to): New function.
13936 (recalculate_used_alone): Handle LHS of calls.
13938 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13942 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
13943 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
13944 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
13945 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
13946 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
13947 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
13948 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
13949 stubs. Add ".align 8" directives before all ".dword" directives.
13950 (GTHREAD_USE_WEAK): Revise comment.
13951 (TARGET_ATTRIBUTE_WEAK): Define.
13952 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
13953 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
13954 * stublib.c: New file.
13959 * pa.md (cbranch patterns): Revise arguments used in calls to
13960 output_cbranch, output_bb and output_bvd. Add long branch length
13962 (fbranch patterns): Handle long branches.
13963 (jump): Revise length check. Revise arguments for output_lbranch call.
13964 Add long branch length attributes.
13965 (decrement_and_branch_until_zero): Add long branch length attributes.
13966 (output_movb, output_parallel_addb and output_parallel_movb patterns):
13967 Likewise. Revise arguments for output_parallel_addb and
13968 output_parallel_movb calls.
13969 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
13970 output_parallel_movb and output_parallel_addb): Update prototypes.
13971 * pa.c (output_cbranch): Revise arguments. Correct handling of
13972 nullification in long branches.
13973 (output_lbranch): Add new argument to control extraction of delay
13975 (output_bb): Handle long branches.
13976 (output_bvb, output_dbra, output_movb, output_parallel_movb,
13977 output_parallel_addb): Likewise.
13979 2006-04-09 Richard Sandiford <richard@codesourcery.com>
13981 PR rtl-optimization/27073
13982 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
13985 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
13987 * tree.h (tree_memory_tag): Add old_used_alone.
13988 (SMT_OLD_USED_ALONE): New macro.
13989 * tree-ssa-alias.c (recalculate_used_alone): Stop
13990 marking things for renaming unnecessarily.
13992 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
13994 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
13995 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
13996 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
13997 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
13998 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
13999 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
14000 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
14001 spelling convensions.
14002 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
14003 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
14004 typos. Follow spelling conventions.
14006 2006-04-07 DJ Delorie <dj@redhat.com>
14008 * config/m32c/m32c.c (m32c_function_arg): Structures are always
14009 passed on the stack.
14010 (m32c_init_cumulative_args): When a function returns a structure,
14011 always pass the pointer to that return area on the stack.
14012 (m32c_function_arg_advance): Don't increment the parameter number
14013 if we're processing the returned structure pointer.
14014 (pushm_info): Reverse order of registers.
14016 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
14018 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
14019 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14020 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
14021 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
14022 build_int_cst_type.
14023 * tree-chrec.c (chrec_fold_multiply_poly_poly,
14024 chrec_fold_multiply): Same.
14025 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
14026 force_expr_to_var_cost): Same.
14027 * tree-mudflap.c (mf_xform_derefs_1): Same.
14028 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
14030 2006-04-07 David Edelsohn <edelsohn@gnu.org>
14032 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
14033 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
14036 2006-04-07 Jan Hubicka <jh@suse.cz>
14038 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
14040 2006-04-07 Richard Guenther <rguenther@suse.de>
14042 PR tree-optimization/26135
14043 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
14044 loads for store copy-prop.
14045 (copy_prop_visit_stmt): Likewise.
14047 2006-04-05 Robert Millan <robertmh@gnu.org>
14049 * config/i386/linux.h: Add a comment to mark macros that are
14050 being overriden in config/k*bsd-gnu.h.
14051 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
14053 * config/knetbsd-gnu.h: Ditto.
14055 2006-04-06 Jan Hubicka <jh@suse.cz>
14059 * coverage.c (coverage_checksum_string): Reorganize loop to not read
14062 2006-04-06 Mike Stump <mrs@apple.com>
14064 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
14065 for HAVE_nonlocal_goto to be consistent.
14066 (expand_builtin_nonlocal_goto): Likewise.
14067 (expand_builtin_strcmp): Use #ifdef instead of #if
14068 for HAVE_cmpstrnsi to be consistent.
14070 2006-04-05 DJ Delorie <dj@redhat.com>
14072 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
14075 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
14077 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
14078 got-relative addressing for anything but SImode.
14080 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
14081 even if the calling function doesn't modify them.
14083 2006-04-05 Richard Guenther <rguenther@suse.de>
14085 PR tree-optimization/26919
14086 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
14087 to cgraph_estimate_size_after_inlining.
14089 2006-04-05 Alan Modra <amodra@bigpond.net.au>
14091 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
14093 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
14095 PR tree-optimization/26996
14096 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
14097 VECTOR_TYPE variables.
14099 2006-04-05 Richard Guenther <rguenther@suse.de>
14101 PR tree-optimization/26763
14102 * fold-const.c (fold_comparison): Move folding of
14103 PTR + CST CMP PTR + CST ...
14104 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
14106 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
14108 * doc/install.texi (Prerequisites): Refine some wording on
14109 bootstrapping and ksh.
14110 Move the version numbers of DejaGnu here from the testing section
14111 and fix casing of names.
14112 Fix markup and clarify wording for autogen requirements.
14113 Refer to GCJ instead of just java.
14114 Refer to SVN instead of CVS.
14115 Describe diffutils as useful instead of necessary.
14116 (Downloading the source): Refer to SVN instead of CVS.
14117 Adjust a link to our web site accordingly.
14118 (Configuration): Fix casing of Bison.
14119 (Building): Refer to SVN instead of CVS.
14120 Fix a sentence on the use of Bison and remove duplicate (and
14121 incorrect) version number of Bison requirement.
14122 Remove one redundant list of packages needed for building.
14123 (Specific): Avoid reference to CVS.
14125 2006-04-04 Eric Christopher <echristo@apple.com>
14127 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
14128 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
14129 (rs6000_handle_struct_attribute): New.
14130 (rs6000_ms_bitfield_layout_p): Ditto.
14132 2006-04-04 Geoffrey Keating <geoffk@apple.com>
14134 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
14135 NULL for dso parameter to atexit_common.
14137 2006-04-04 Eric Christopher <echristo@apple.com>
14139 * config/i386/i386.c (machopic_output_stub): Output \t
14140 between instructions and operands.
14142 2006-04-04 David Edelsohn <edelsohn@gnu.org>
14144 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
14145 satisfies_constraint_[IL] to explicit tests on value.
14147 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
14149 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14150 set_nb_iterations_in_loop): Use build_int_cst instead of
14151 build_int_cst_type.
14152 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14153 build_int_cst instead of convert.
14155 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
14157 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14158 new value 2 for incoming.
14159 * function.c (expand_function_start): Call struct_value_rtx
14160 with incoming as 2.
14161 * config/sparc/sparc.md: Comment updated_return.
14162 * config/sparc/sparc.opt: Add -mstd-struct-return option.
14163 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14164 struct return if sparc_std_struct_return and incoming is 2.
14165 (print_operand): Do not adjust return if
14166 sparc_std_struct_return.
14168 2006-04-04 Roger Sayle <roger@eyesopen.com>
14170 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14171 convert in the middle-end.
14172 * expr.c (store_expr, store_constructor, get_inner_reference,
14173 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14175 * tree.c (build_range_type): Likewise.
14177 2006-04-04 Tom Tromey <tromey@redhat.com>
14179 * doc/install.texi (Prerequisites): Mention jar.
14181 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
14183 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
14186 2006-04-04 Matthias Klose <doko@debian.org>
14188 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14192 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14195 2006-04-03 Geoffrey Keating <geoffk@apple.com>
14197 * doc/extend.texi (Function Attributes): Rewrite visibility
14198 attribute documentation.
14199 * doc/invoke.texi (C++ Dialect Options): Rewrite
14200 -fvisibility-inlines-hidden documentation to describe something
14201 entirely different, although in practise compatible.
14202 (Code Gen Options): Warn about system headers in -fvisibility=
14205 * doc/extend.texi (Other Builtins): Document that
14206 __builtin_nan is a compile-time constant only when its argument
14209 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
14211 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14212 trying to remove TRUNCATE check if all bits outside the new mode
14213 are identical to the sign bit.
14215 2006-04-03 Jeff Law <law@redhat.com>
14217 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14218 and operand scanning in some common cases.
14220 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14221 Dale Johannesen <dalej@apple.com>
14224 * regclass.c (struct reg_pref): Update documentation.
14225 (regclass): Set prefclass to NO_REGS if memory is the best option.
14226 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14227 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14228 into account. For non-registers, equate an empty preferred
14229 reload class to a `!' in the constraint; move the if clause to
14230 do so after those that reject the insn.
14231 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14233 (find_dummy_reload): Likewise.
14234 * doc/tm.texi (Register Classes): Document what it means
14235 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14236 * config/i386/i386.c (ix86_preferred_reload_class): Force
14237 using SSE registers (and return NO_REGS for floating-point
14238 constants) if math is done with SSE.
14239 (ix86_preferred_output_reload_class): New.
14240 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14241 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14242 * config/i386/i386.md: Remove # register preferences.
14244 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14247 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14248 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14249 the type of nb_iter.
14250 (instantiate_parameters_1): Convert the operands before calling
14251 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14252 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14254 2006-04-02 Roger Sayle <roger@eyesopen.com>
14256 * builtins.c (dummy_object): Use build_int_cst instead of convert.
14257 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14258 instead of convert.
14259 * dojump.c (do_jump): Likewise.
14260 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14261 * gimplify.c (gimple_boolify, gimplify_init_constructor,
14262 gimplify_boolean_expr): Likewise.
14263 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14264 * varasm.c (array_size_for_constructor): Likewise.
14265 * tree-object-size.c (compute_object_offset): Likewise.
14267 2006-04-02 Roger Sayle <roger@eyesopen.com>
14269 PR middle-end/26977
14270 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14271 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14273 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14275 PR tree-optimization/26939
14276 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14278 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14280 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
14281 at_stmt. Convert the type of operands before calling
14282 build_polynomial_chrec.
14283 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
14284 add_to_evolution_1.
14285 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
14286 (instantiate_parameters_1): Convert the type of operands before calling
14287 build_polynomial_chrec.
14288 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
14289 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
14290 reset_evolution_in_loop): Insert asserts to check the types of the
14292 (chrec_type): Moved...
14293 (eq_evolutions_p): Use operand_equal_p.
14294 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
14295 the types of the operands.
14296 (chrec_type): ...here.
14297 * tree-data-ref.c (create_data_ref): Convert the operands before
14298 calling chrec_replace_initial_condition.
14299 (same_access_functions, analyze_subscript_affine_affine,
14300 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
14301 (compute_subscript_distance, analyze_ziv_subscript,
14302 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
14303 analyze_miv_subscript): Convert the operands before calling
14304 chrec_fold_minus or chrec_fold_plus.
14306 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14308 * tree-data-ref.c (compute_all_dependences): Use a pointer to
14309 the dependence_relations vector.
14310 (compute_data_dependences_for_loop): Adjust call to
14311 compute_all_dependences.
14313 2006-04-01 Roger Sayle <roger@eyesopen.com>
14314 Richard Henderson <rth@redhat.com>
14316 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
14317 gimple_boolify on the condition before calling gimplify_expr.
14319 2006-03-31 Bob Wilson <bob.wilson@acm.org>
14321 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
14322 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
14323 the frame size. Update to use the new macros.
14324 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
14325 * config/xtensa/ieee754-df.S: Likewise.
14327 2006-03-31 Richard Henderson <rth@redhat.com>
14329 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
14330 (make_edges): ... here. Control fallthru creation with a local
14331 variable. Do not play with fake edges.
14332 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
14333 (make_goto_expr_edges): Don't play with fake edges. Make for_call
14336 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
14338 * dwarf2.h (DW64_CIE_ID): Define.
14339 * dwarf2out.c (DWARF_CIE_ID): Define.
14340 (output_call_frame_info): Output 0xffffffff before standard 8-byte
14341 length header. Use DWARF_CIE_ID.
14342 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
14343 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
14345 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
14347 * config/sh/linux-atomic.asm: New file.
14348 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
14350 2006-03-31 DJ Delorie <dj@redhat.com>
14352 * config/m32c/cond.md: Set condition flags properly throughout.
14353 * config/m32c/minmax.md: Likewise.
14354 * config/m32c/prologue.md: Likewise.
14355 * config/m32c/bitops.md: Likewise.
14356 * config/m32c/muldiv.md: Likewise.
14357 * config/m32c/mov.md: Likewise.
14358 * config/m32c/addsub.md: Likewise.
14359 * config/m32c/m32c.md: Likewise.
14360 * config/m32c/jump.md: Likewise.
14361 * config/m32c/shift.md: Likewise.
14363 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
14364 conditionally output the pattern for this.
14365 * config/m32c/m32c.c (flags_needed_for_conditional): New.
14366 (m32c_compare_redundant): New.
14367 (m32c_output_compare): New.
14368 * config/m32c/m32c-protos.h (m32c_output_compare): New.
14370 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
14371 dest, not src. Allow other 4-byte modes.
14373 2006-03-30 Denis Chertykov <denisc@overta.ru>
14375 * doc/md.texi: Refer to avr/constraints.md instead of
14378 2006-03-30 Roger Sayle <roger@eyesopen.com>
14380 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
14381 signed vs. unsigned comparison failures on some hosts.
14383 2006-03-31 Alan Modra <amodra@bigpond.net.au>
14386 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
14387 change to FLOAT_REGS.
14389 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
14390 (rs6000_override_options): Use it.
14391 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
14392 only for -mabi=spe/no-spe and -mabi=altivec.
14394 2006-03-30 Geoffrey Keating <geoffk@apple.com>
14396 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
14399 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
14401 * Makefile.in: Rename docdir to gcc_docdir.
14403 2006-03-30 Roger Sayle <roger@eyesopen.com>
14406 * expr.c (emit_group_store): Optimize group stores into a pseudo
14407 register by using a paradoxical subreg to initialize the destination
14408 if the first or last member of the group specifies a "low part".
14410 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14413 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
14414 * target.h (struct gcc_target.speculate_insn): Change type of the
14415 second parameter to 'int'.
14416 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
14417 the second operand of the DEPS_LIST.
14418 (copy_DEPS_LIST_list): Update reference to the second operand of the
14420 * rtl.h (alloc_DEPS_LIST): Update signature.
14421 * sched-int.h (ds_t): Change typedef to 'int'.
14422 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14424 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14426 * haifa-sched.c (try_ready): Change condition to restore
14427 non-speculative pattern of the instruction.
14428 (process_insn_depend_be_in_spec): Code to keep probability of the
14429 speculative dependence non-decreasing.
14431 2006-03-30 Jie Zhang <jie.zhang@analog.com>
14433 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14434 (single_move_for_movmem): ... this. Also change all uses.
14435 (bfin_expand_strmov): Renamed to...
14436 (bfin_expand_movmem): ... this. Also change all uses.
14437 * config/bfin/bfin.md (movstrsi): Renamed to...
14438 (movstrsi): ...this.
14440 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14442 PR tree-optimization/26830
14444 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14445 (copy_prop_visit_stmt): Remove write-only variable ann.
14446 (init_copy_prop): Check variable loop depth here. Do not simulate
14447 memory-tag and virtual operand PHIs except for store copy prop.
14449 2006-03-30 Richard Guenther <rguenther@suse.de>
14451 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14452 variants with double arguments.
14454 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14456 * genpreds.c (write_tm_constrs_h): Delete variable p.
14457 * genconditions.c (write_header): Add tm-constrs.h to included
14459 * genpeep.c (main): Add toplev.h to included headers.
14460 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14461 (build/genpeep.o): Add toplev.h dependency.
14462 * config/rs6000/constraints.md: Add "W" constraint.
14464 2006-03-29 Roger Sayle <roger@eyesopen.com>
14466 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14467 sizes by correctly testing whether the size fits a host integer.
14468 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14469 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14470 SImode range for the default sizetype and bitsizetype.
14472 2006-03-29 Roger Sayle <roger@eyesopen.com>
14474 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14475 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14476 quickly if the argument is already of the correct type.
14477 Call fold_build1 instead of build1. Tidy up blank lines.
14479 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14481 * genemit.c (main): Add tm-constrs.h to included headers.
14482 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14483 * genpeep.c (main): Add tm-constrs.h to included headers.
14484 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14485 (write_tm_constrs_h): this and write complete file.
14486 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14487 (write_insn_preds_c): Add tm-constrs.h to included headers.
14488 (gen_constrs): New variable.
14489 (parse_option): Parse "-c".
14490 (main): Invoke write_tm_constrs_h.
14491 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14492 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14493 (object_out_file): Add tm-constrs.h dependency.
14494 (insn-emit.o): Same.
14495 (insn-output.o): Same.
14496 (insn-peep.o): Same.
14497 (insn-preds.o): Same.
14498 (insn-recog.o): Same.
14499 (tm-constsr.h): New target.
14500 (s-constrs-h): New target.
14502 * config/rs6000/constraints.md: New file.
14503 * config/rs6000/rs6000.c: Include tm-constrs.h.
14504 (num_insn_constant_wide): Convert to satisfies_constraint.
14505 (rs6000_rtx_costs): Convert to satisfies_constraint.
14506 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14507 (CONST_OK_FOR_LETTER_P): Delete.
14508 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14509 (EXTRA_CONSTRAINT): Delete.
14510 (EXTRA_MEMORY_CONSTRAINT): Delete.
14511 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14512 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14513 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14514 satisfies_constraint.
14516 * config/i386/i386.c: Include tm-constrs.h.
14518 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14520 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14521 * tree-data-ref.c (find_data_references_in_loop,
14522 compute_data_dependences_for_loop): Use pointers to VEC.
14523 (analyze_all_data_dependences): Adjust calls.
14524 * tree-data-ref.h (find_data_references_in_loop,
14525 compute_data_dependences_for_loop): Adjust declarations.
14526 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14527 compute_data_dependences_for_loop.
14529 2006-03-29 Paul Brook <paul@codesourcery.com>
14531 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14532 (movdf_vfp): Ditto.
14534 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14536 PR tree-optimization/26859
14537 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14539 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14540 for the step after fold_convert.
14542 2006-03-29 Paul Brook <paul@codesourcery.com>
14544 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14545 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14547 2006-03-29 Paul Brook <paul@codesourcery.com>
14549 PR middle-end/23623
14550 * targhooks.c (default_narrow_bitfield): New fuction.
14551 * targhooks.h (default_narrow_bitfield): add prototype.
14552 * target.h (gcc_target): Add narrow_volatile_bitfield.
14553 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14554 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14555 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14556 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14558 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14560 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14562 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14563 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14564 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14565 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14566 (s390_function_arg_float): Allow SDmode and DDmode values to be
14567 passed in floating point registers.
14568 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14569 check with SCALAR_FLOAT_MODE_P.
14570 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14572 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14574 PR tree-optimization/25985
14575 * tree-ssa-loop-niter.c (number_of_iterations_le,
14576 number_of_iterations_ne): Make comments more precise.
14577 (number_of_iterations_cond): Add only_exit argument. Use the
14578 fact that signed variables do not overflow only when only_exit
14580 (loop_only_exit_p): New.
14581 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14582 number_of_iterations_cond.
14584 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14586 PR tree-optimization/26643
14587 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14590 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14592 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14593 (divsi3_i4_int): Likewise.
14595 2006-03-28 Roger Sayle <roger@eyesopen.com>
14597 * expr.c (emit_group_store): Only create a new pseudo reg if the
14598 quantity it needs to hold isn't already a suitable pseudo.
14600 2006-03-28 Jeff Law <law@redhat.com>
14602 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14603 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14605 2006-03-28 Roger Sayle <roger@eyesopen.com>
14607 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14608 the equivalent ~X & Y, and the symmetry related transformations.
14609 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14610 ~X & Y, and symmetry related transforms.
14612 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14614 Revert my 2006-03-27 patches.
14616 2006-03-28 Roger Sayle <roger@eyesopen.com>
14618 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14619 ~(T1)X, when T1 and T2 are integer types of the same precision
14620 and (T2)X isn't an extension.
14622 2006-03-28 Jeff Law <law@redhat.com>
14624 PR tree-optimization/26796
14625 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14626 need EH edge cleanups rather than purging them immediately.
14627 (eliminate_degenerate_phis): Handle queued EH cleanups.
14629 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14631 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14634 2006-03-27 Roger Sayle <roger@eyesopen.com>
14636 PR middle-end/22524
14637 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14638 cast BIT_NOT_EXPR operand to the correct type.
14640 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
14642 * tree-loop-linear.c: Don't include varray.h.
14643 (gather_interchange_stats, try_interchange_loops,
14644 linear_transform_loops): Use VEC instead of VARRAY.
14645 * lambda-mat.c: Don't include varray.h.
14646 * tree-chrec.c: Same.
14647 * lambda-trans.c: Same.
14648 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
14649 VEC instead of VARRAY.
14650 * tree-vectorizer.h: Idem.
14651 * tree-data-ref.c (dump_data_references,
14652 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14653 initialize_data_dependence_relation, finalize_ddr_dependent,
14654 compute_all_dependences, find_data_references_in_loop,
14655 compute_data_dependences_for_loop, analyze_all_data_dependences,
14656 free_dependence_relation, free_dependence_relations,
14657 free_data_refs): Idem.
14658 * tree-data-ref.h (data_reference_p, subscript_p): New.
14659 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
14660 VEC instead of VARRAY.
14661 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
14662 (find_data_references_in_loop, compute_data_dependences_for_loop,
14663 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
14664 dump_data_dependence_relations, free_dependence_relations,
14665 free_data_refs): Adjust declaration.
14666 (lambda_transform_legal_p): Move declaration here...
14667 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
14668 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
14669 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
14670 vect_analyze_data_refs): Use VEC instead of VARRAY.
14671 * lambda.h (lambda_transform_legal_p): ...from here.
14672 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
14673 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
14674 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
14675 tree-chrec.o): Don't depend on VARRAY_H.
14677 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14679 * rtl.def (Copyright): Update date.
14680 (DEPS_LIST): Change type of the second operand to 'int'.
14681 * target.h (Copyright): Update date.
14682 (struct gcc_target.speculate_insn): Change type of the second parameter
14684 * lists.c (Copyright): Update date.
14685 (alloc_DEPS_LIST): Change signature. Update reference to the second
14686 operand of the DEPS_LIST.
14687 (copy_DEPS_LIST_list): Update reference to the second operand of the
14689 * rtl.h (Copyright): Update date.
14690 (alloc_DEPS_LIST): Update signature.
14691 * sched-int.h (Copyright): Update date.
14692 (ds_t): Change typedef to 'int'.
14693 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14695 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14697 * haifa-sched.c (Copyright): Update date.
14698 (try_ready): Change condition to restore non-speculative pattern
14699 of the instruction.
14700 (process_insn_depend_be_in_spec): Code to keep probability of the
14701 speculative dependence non-decreasing.
14703 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
14705 * regrename.c (replace_oldest_value_addr): Initialize a variable to
14706 shut up the compiler.
14708 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
14710 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
14711 to use lib prefix for target.
14712 ($(T)libic_invalidate_array_4-200.a): Likewise.
14713 ($(T)libic_invalidate_array_4a.a): Likewise.
14715 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
14716 J"orn Rennecke <joern.rennecke@st.com>
14718 * superh.opt: New file.
14719 * sh.c (boardtype, osruntime): Remove.
14720 * superh.h (SUBTARGET_OPTIONS): Remove.
14721 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
14723 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
14724 arguments with ^ and/or [].
14726 * config.gcc (sh-*-*): Add quoting to account for quirk of
14728 Replace == with = in enable_incomplete_targets test.
14730 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
14731 with MASK_LITTLE_ENDIAN.
14733 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
14734 * config/sh/sh.opt: Added to some comments.
14735 * config/sh/superh.h: Removed some chaff.
14737 * config/sh/sh.opt: Add m4-[1234]00* options.
14738 * config/sh/sh.c (sh_handle_option): Likewise.
14739 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
14740 (ic_invalidate_array_4-100.o): New rule.
14741 ($(T)libic_invalidate_array_4-100.a): Likewise.
14742 (ic_invalidate_array_4-200.o): Likewise.
14743 ($(T)libic_invalidate_array_4-200.a): Likewise.
14744 (ic_invalidate_array_4a.o): Likewise.
14745 ($(T)libic_invalidate_array_4a.a): Likewise.
14746 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
14747 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
14749 * config/sh/crt1.asm: Merged in profiling code.
14750 * config/sh/superh.h (STARTFILE_SPEC): Override.
14751 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
14752 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
14753 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
14755 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
14756 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
14757 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
14759 * sh.opt (mpretend-cmove): New option.
14760 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
14761 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
14762 (movsicc): Add TARGET_PRETEND_CMOVE code.
14764 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
14766 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
14767 s390_class_max_nregs): New function prototypes.
14768 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
14769 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
14770 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
14771 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
14773 2006-03-26 Geoffrey Keating <geoffk@apple.com>
14775 * dwarf2out.c (add_location_or_const_value_attribute): Call
14776 tree_add_const_value_attribute if nothing else works.
14777 (reference_to_unused): New.
14778 (rtl_for_decl_init): Use reference_to_unused to decide whether
14779 to output an initializer.
14781 2006-03-27 Alan Modra <amodra@bigpond.net.au>
14784 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
14785 peephole removing spe frob_di_df_2.
14787 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
14789 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
14790 (subscript_dependence_tester_1): Declared.
14791 (print_dir_vectors, print_dist_vectors): New.
14792 (debug_data_dependence_relation): New.
14793 (dump_data_dependence_relation): Print more details.
14794 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
14795 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
14796 (save_dist_v, save_dir_v, add_outer_distances,
14797 build_classic_dist_vector_1): New.
14798 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
14799 Don't test for lambda_vector_lexico_pos.
14800 (same_access_functions, add_multivariate_self_dist,
14801 add_other_self_distances, dir_from_dist): New.
14802 (build_classic_dir_vector): Replace implementation almost identical to
14803 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
14805 (subscript_dependence_tester_1): New.
14806 (subscript_dependence_tester): Handle the lexicographically negative
14807 distance vectors by recomputing the dependence relation.
14808 (compute_affine_dependence): Remove parameter loop_nest_depth.
14809 (compute_self_dependence): Don't call compute_subscript_distance.
14810 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
14811 Add a parameter for the loop_nest.
14812 (find_loop_nest_1, find_loop_nest): New.
14813 (compute_data_dependences_for_loop): Compute the loop nest, and give
14814 up if the nest is not well formed.
14815 * tree-data-ref.h (loop_p): New.
14816 (struct data_dependence_relation): Replace size_vect field with
14817 loop_nest, a vec of loops.
14818 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
14819 (DDR_LOOP_NEST): New.
14820 (print_dir_vectors, print_dist_vectors,
14821 debug_data_dependence_relation): Declared.
14822 (index_in_loop_nest): New.
14823 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
14824 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
14827 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
14829 * simplify-rtx.c (simplify_relational_operation): Call
14830 simplify_relational_operation_1 even if mode is VOIDmode.
14832 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
14834 PR tree-optimization/26804
14835 * tree.h (DECL_CALL_CLOBBERED): New macro.
14836 (tree_decl_common): Add call_clobbered_flag.
14837 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
14838 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
14839 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
14840 (mark_non_addressable): Ditto.
14841 * tree-ssa.c (verify_call_clobbered): New function.
14842 (verify_alias_info): Use it.
14843 * tree-pass.h (pass_reset_cc_flags): New prototype.
14844 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
14845 (reset_cc_flags): New function.
14846 * passes.c (init_optimization_passes): Call reset_cc_flags after
14847 initializing referenced_vars.
14849 2006-03-25 Uros Bizjak <uros@kss-loka.si>
14850 Roger Sayle <roger@eyesopen.com>
14852 PR middle-end/26717
14853 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
14854 to 1.0 for non-real operands. Implement A / A optimization for
14857 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
14859 * config/i386/i386.c (size_cost): Correct the comment for
14860 cost of storing fp registers.
14861 (i386_cost): Likewise.
14862 (i486_cost): Likewise.
14863 (pentium_cost): Likewise.
14864 (pentiumpro_cost): Likewise.
14865 (k6_cost): Likewise.
14866 (athlon_cost): Likewise.
14867 (k8_cost): Likewise.
14868 (pentium4_cost): Likewise.
14869 (nocona_cost): Likewise.
14870 (generic64_cost): Likewise.
14871 (generic32_cost): Likewise.
14873 2006-03-24 Denis Chertykov <denisc@overta.ru>
14875 * config/avr/avr-protos.h (extra_constraint): Delete.
14876 (extra_constraint_Q): New declaration.
14877 * config/avr/constraints.md: New file.
14878 * config/avr/avr.md: Include it.
14879 (REG_X, REG_Y, REG_Z, REG_W): New constants.
14880 (TMP_REGNO, ZERO_REGNO): Likewise.
14881 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
14882 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
14883 (extra_constraint): Delete.
14884 (extra_constraint_Q): Test for memory constraint 'Q'.
14885 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
14886 (REG_CLASS_FROM_LETTER): Delete.
14887 (CONST_OK_FOR_LETTER_P): Delete.
14888 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14889 (EXTRA_CONSTRAINT): Delete.
14890 (TMP_REGNO): Delete.
14891 (ZERO_REGNO): Delete.
14893 2006-03-24 Jeff Law <law@redhat.com>
14895 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
14896 directly. Call mark_new_vars_to_rename slightly earlier.
14898 2006-03-24 Geoffrey Keating <geoffk@apple.com>
14900 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
14901 (is_cxx): Likewise.
14902 (gen_compile_unit_die): Use new language types for Objective-C and
14904 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
14905 DW_LANG_C_plus_plus.
14908 * config/t-darwin (crt3.o): Work around bug 26840.
14909 * config/darwin-crt3.c: Rewrite.
14910 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
14912 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
14914 * doc/invoke.texi: Document -femit-class-debug-always
14915 * common.opt: Add -femit-class-debug-always.
14917 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
14919 * config/s390/s390.c (s390_decompose_address): Allow SImode for
14920 index and base register.
14921 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
14922 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
14923 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
14924 REGNO_OK_FOR_INDEX_P.
14925 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
14927 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
14928 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
14929 REG_OK_FOR_BASE_P): Definitions removed.
14931 2006-03-24 Jakub Jelinek <jakub@redhat.com>
14933 PR middle-end/26611
14934 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
14935 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
14936 set yet or weren't marked as local yet.
14938 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
14940 * regrename.c (scan_rtx_address): Initialize a variable to shut up
14943 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
14945 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
14946 (rs6000_legitimate_small_data_p): Delete.
14947 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
14948 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
14949 and make static. Add forward declaration. Update uses.
14950 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
14951 of offsettable_memref_p.
14952 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
14953 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
14955 2006-03-24 Jeff Law <law@redhat.com>
14957 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
14958 around bug in immediate-use iterator.
14960 2006-03-24 Alan Modra <amodra@bigpond.net.au>
14963 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
14964 or __LITTLE_ENDIAN__.
14966 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
14968 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
14969 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
14970 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
14971 * config/sh/sh.opt (mdiv=): Amend description.
14972 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
14973 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
14974 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
14975 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
14976 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
14977 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
14978 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
14979 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
14980 TARGET_DIVIDE_CALL_FP.
14982 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14984 * haifa-sched.c (choose_ready): Fix type of the local variable.
14985 Move local variables. Add comment.
14986 (check_reg_live): Change signature. Make callable from debugger.
14987 * sched-int.h (check_reg_live): Update signature.
14988 * sched-ebb.c (check_reg_live): Update parameters.
14989 * sched-rgn.c (check_reg_live): Ditto.
14990 (region_head_or_leaf_p): Check pointer before dereferencing.
14991 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
14992 before reload on optimization levels below 1.
14994 2006-03-23 Richard Henderson <rth@redhat.com>
14996 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
15000 * config/alpha/predicates.md (local_symbolic_operand): Reject
15003 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
15006 * tree-ssa-pre.c (create_value_expr_from): Don't reject
15007 expressions which have overflowed constants.
15009 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15011 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
15013 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15015 * cfgloopmanip.c (create_loop_notes): Removed.
15016 * final.c (final_scan_insn): Do not handle loop notes.
15017 * jump.c (squeeze_notes): Ditto.
15018 * cfglayout.c (skip_insns_after_block,
15019 duplicate_insn_chain): Ditto.
15020 * cfgcleanup.c (rest_of_handle_jump2): Do not call
15022 * cfgloop.h (create_loop_notes): Declaration removed.
15024 2006-03-23 Richard Sandiford <richard@codesourcery.com>
15026 * varasm.c (output_constant_pool): Restore fnname and fndecl
15028 (assemble_start_function): Adjust call accordingly.
15029 (assemble_end_function): Likewise.
15031 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15034 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
15037 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
15039 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15042 * system.h (ICE_EXIT_CODE): New macro.
15043 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
15044 (diagnostic_action_after_output): Likewise.
15045 * gcc.c (fatal_ice): New function.
15046 (execute): Use it instead of fatal.
15047 (fancy_abort): Likewise.
15048 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
15050 2006-03-22 Jeff Law <law@redhat.com>
15052 * loop-unroll.c (analyze_iv_to_split_insn): Handle
15053 iv_analyze_result returning false.
15055 2006-03-22 Jie Zhang <jie.zhang@analog.com>
15057 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
15059 2006-03-22 Richard Henderson <rth@redhat.com>
15061 PR middle-end/26084
15062 * except.c (duplicate_eh_regions_0): New.
15063 (duplicate_eh_region_1): Duplicate the children of the node as
15064 well as the node itself. Link them up properly.
15065 (duplicate_eh_region_2): Merge into ...
15066 (duplicate_eh_regions): ... here. Take copy_region argument, and
15067 copy only a sub-tree if asked. Simplify copying and fixup.
15068 (eh_region_outer_p): New.
15069 * except.h (duplicate_eh_regions): Update decl.
15070 (eh_region_outer_p): Declare.
15071 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
15072 (lower_omp_master): Likewise.
15073 (lower_omp_ordered): Likewise.
15074 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
15075 (move_stmt_r): Use it to remap labels. Handle recursion vs
15076 remap_decls_p properly.
15077 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
15078 (find_outermost_region_in_block): New.
15079 (new_label_mapper): New.
15080 (move_sese_region_to_fn): Copy eh information to the new function
15082 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
15084 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
15087 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15089 * doc/md.texi (-mshared): Mention that -mshared code can be linked
15090 into shared libraries.
15092 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15094 * doc/md.texi: Refer to i386/constraints.md instead of
15095 i386/predicates.md.
15096 * config/i386/constraints.md: New file, extracted from...
15097 * config/i386/predicates.md: ...here.
15098 * config/i386/i386.md: Include constraints.md.
15100 2006-03-21 Jason Merrill <jason@redhat.com>
15102 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
15104 PR middle-end/20297
15105 * expr.c (init_block_move_fn): Force default visibility.
15106 (init_block_clear_fn): Likewise.
15107 * builtins.c (expand_builtin_fork_or_exec): Likewise.
15108 * targhooks.c (default_external_stack_protect_fail): Likewise.
15110 2006-03-21 Richard Sandiford <richard@codesourcery.com>
15112 * config/mips/predicates.md (const_call_insn_operand): Allow direct
15113 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
15114 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
15115 Use TARGET_OLDABI instead of !TARGET_NEWABI.
15116 (loadgp): Use mips_current_loadgp_style.
15117 (loadgp_noshared): New pattern.
15118 (sibcall_internal): Use MIPS_CALL.
15119 (sibcall_value_internal): Likewise.
15120 (sibcall_value_multiple_internal): Likewise.
15121 (call_internal): Likewise.
15122 (call_value_internal): Likewise.
15123 (call_value_multiple_internal): Likewise.
15124 (call_split): Use MIPS_CALL and add an 'S' constraint.
15125 (call_value_split): Likewise.
15126 (call_value_multiple_split): Likewise.
15127 * config/mips/mips.opt (-mabicalls): Tweak docstring.
15128 (-mshared): New option.
15129 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
15130 (mips_current_loadgp_style): Declare.
15131 * config/mips/mips.c (mips_classify_symbol): Avoid using
15132 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
15133 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
15134 TARGET_ABSOLUTE_ABICALLS.
15135 (override_options): Adjust comments. Improve the warning that is
15136 issued when -mabicalls and -G are used together.
15137 (mips_file_start): Remove comment.
15138 (mips_current_loadgp_style): New function.
15139 (mips_gnu_local_gp): New variable.
15140 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
15142 (mips_output_function_prologue): Use mips_current_laodgp_style.
15143 (mips_expand_prologue): Call mips_emit_loadgp before emitting
15144 the cprestore instruction.
15145 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
15146 live for TARGET_ABSOLUTE_ABICALLS.
15147 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
15148 (ASM_SPEC): Pass down -mshared and -mno-shared.
15149 (MIPS_CALL): New macro.
15150 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15152 * doc/invoke.texi (-mabicalls): Update documentation.
15153 (-mshared): Document.
15155 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15157 * config/ia64/unwind-hpux.c: New file.
15158 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15160 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15163 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15165 2006-03-21 Jeff Law <law@redhat.com>
15167 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15168 type conversions of a VR_VARYING source to a wider type.
15170 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15172 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15173 tm_file on Solaris 10 and later.
15174 (sparc64-*-solaris2*): Likewise.
15175 (sparc-*-solaris2*): Likewise.
15176 * config/sol26.h: Rename to config/sol2-6.h.
15177 * config/sol2-10.h: New file.
15179 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
15182 * tree-ssa-pre.c (create_component_ref_by_pieces):
15185 2006-03-21 Jakub Jelinek <jakub@redhat.com>
15188 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
15189 return it immediately.
15191 2006-03-21 Michael Matz <matz@suse.de>
15193 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
15195 (remove_arc, add_arc): Update num_out_arcs member.
15196 (set_out_arc_insns_equiv_num): Returns nothing instead of number
15198 (cache_presence): New function.
15199 (compare_states_for_equiv): New function.
15200 (state_is_differed): Don't take number of outargs, adjust callers.
15201 Use new invariant for speeding up.
15202 (init_equiv_class): Create initial classes based on sorted
15204 (partition_equiv_class): Don't track out_arcs_num.
15205 (evaluate_equiv_classes): Call cache_presence on all states and
15208 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
15210 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15211 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15212 (bfin_valid_reg_p): Test for pseudos explicitly and use only
15213 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
15215 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15216 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15217 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15218 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15219 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15221 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15222 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15223 (REGNO_REG_CLASS): ARGP is in PREGS.
15224 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15226 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15227 to deal with those addresses.
15228 * addresses.h: New file.
15229 * caller-save.c: Include "addresses.h".
15230 (init_caller_save): Use new base_reg_class function.
15231 * rtl-factoring.c: Include "addresses.h".
15232 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15233 * recog.c: Include "addresses.h".
15234 (preprocess_constraints): Use new base_reg_class function.
15235 * regrename.c: Include "addresses.h".
15236 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15237 functions. Keep track of a new var INDEX_CODE to compute valid
15239 (replace_oldest_value_addr): Likewise.
15240 (replace_oldest_value_mem): Use base_reg_class.
15241 * reload.c: Include "addresses.h".
15242 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15243 (find_reloads): Use new base_reg_class function.
15244 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15245 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15246 all callers and prototype changed.
15247 * reload1.c: Include "addresses.h".
15248 (maybe_fix_stack_asms): Use base_reg_class.
15249 * regclass.c: Include "addresses.h".
15250 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15251 (init_reg_autoinc): Use new base_reg_class function.
15252 (record_reg_classes): Likewise.
15253 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15254 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
15255 Use new args to compute necessary class.
15257 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15258 regrename.o, rtl-factoring.o): Update dependencies.
15259 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15260 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15261 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15262 REG_OK_FOR_INDEX_P): Delete documentation.
15264 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
15266 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15267 from V7 to V9 for Solaris 7 and above.
15269 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
15271 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15272 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15273 argument pointers may not alias any other storage.
15274 * common.opt: Define option -fargument-noalias-anything.
15275 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15276 alias semantics is specified by flag_argument_noalias > 2.
15278 2006-03-20 Jeff Law <law@redhat.com>
15280 * tree-pass.h (pass_phi_only_copy_prop): Delete.
15281 (pass_phi_only_cprop): Declare.
15282 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
15283 with phi_only_cprop
15284 * tree-ssa-dom.c (degenerate_phi_result): New function.
15285 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
15286 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
15287 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
15288 (eliminate_degenerate_phis): Likewise.
15289 (pass_phi_only_cprop): New pass descriptor.
15290 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
15291 support code. Callers updated.
15292 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
15293 (store_copy_prop): Likewise.
15294 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
15296 2006-03-20 Jason Merrill <jason@redhat.com>
15299 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
15300 (push_visibility, pop_visibility): Likewise.
15301 * c-pragma.h: Declare them.
15303 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
15305 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
15307 * config/sh/sh.c (find_regmode_weight): Change the type of the first
15308 parameter and use get_ebb_head_tail.
15309 (sh_md_init_global): Adjust uses of find_regmode_weight.
15311 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
15313 * function.h (struct function) <x_tail_recursion_reentry>:
15314 Rename to x_stack_check_probe_note.
15315 (tail_recursion_reentry): Rename to stack_check_probe_note.
15316 * function.c: Replace tail_recursion_reentry with
15317 stack_check_probe_note everywhere.
15318 (expand_function_start): Only emit a note for
15319 stack_check_probe_note with -fstack-protect.
15320 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
15322 * emit-rtl.c (remove_unnecessary_notes): Remove.
15323 (pass_remove_unnecessary_notes): Remove.
15324 * rtl.h (remove_unnecessary_notes): Remove prototype.
15325 * final.c (final_start_function): Don't call remove_unnecessary_notes.
15326 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
15327 * passes.c (pass_remove_unnecessary_notes): Don't run it.
15329 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
15332 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
15333 (valid_in_set): Handle ARRAY_REF.
15334 Change "if min_variant or VH" to asserts.
15335 (create_component_ref_by_pieces): Handle ARRAY_REF.
15336 (create_expression_by_pieces): Likewise.
15337 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
15339 2006-03-20 David Edelsohn <edelsohn@gnu.org>
15341 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
15342 is operand of switch, not str[0].
15344 2006-03-20 Alan Modra <amodra@bigpond.net.au>
15346 * config/rs6000/rs6000.c (rs6000_handle_option): Use
15347 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
15349 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15351 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
15352 end of insn_extra_address_constraint declaration.
15354 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15356 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
15357 (no-sum-in-toc): Same.
15358 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
15360 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
15361 NO_FP_IN_TOC for -fPIC instead of mask.
15363 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
15364 (BOOT_LDFLAGS): Delete.
15366 * config/rs6000/t-aix52: Same.
15368 * config/rs6000/rs6000.md (store_multiple_power): Delete.
15369 (stmsi[345678]_power): New.
15371 2006-03-17 Steve Ellcey <sje@cup.hp.com>
15373 * config/ia64/ia64.opt: Add empty line to end of file.
15375 2006-03-17 Richard Guenther <rguenther@suse.de>
15377 PR middle-end/26721
15378 * builtins.c (get_pointer_alignment): For component style references
15379 adjust alignment to the component type alignment. Make sure
15380 to adjust alignment for component access of constants.
15382 2006-03-17 David Edelsohn <edelsohn@gnu.org>
15384 * config/rs6000/rs6000.md (strlensi): Emit barrier after
15385 unconditional jump.
15387 2006-03-17 Paul Brook <paul@codesourcery.com>
15389 * doc/install.texi: Docuemnt --with-mode.
15390 * config.gcc: Add --with-mode for arm*-*-*.
15391 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
15393 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
15395 * sh.c (max_labelno_before_reorg): New variable.
15396 (sh_reorg): Initialize it.
15397 (find_barrier): Check max_labelno_before_reorg before using
15398 label_to_alignment. Take length of explicit alignment insns
15399 into account. When seeing a UNSPECV_CONST_END, return it.
15401 * sh.c (fixup_mova): Set mode of affected label to QImode.
15402 (untangle_mova): New function.
15403 (find_barrier): Use it. Check mode of label before decrementing
15405 (sh_reorg): Likewise.
15406 Set mode of all insns back to VOIDmode.
15408 * sh.c (MOVA_LABELREF): New macro.
15409 (mova_p, fixup_mova, sh_reorg): Use it.
15410 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
15411 ADDR_DIFF_VEC matches mova.
15413 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
15415 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
15416 with ATTRIBUTE_UNUSED.
15418 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
15420 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
15421 pointer, instead of assuming it is possible to derive the
15422 correct args size from a call insn.
15424 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15426 * rtl.h (CONST_INT_P): Define.
15427 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
15428 instead of GET_CODE(x) == CONST_INT.
15429 (vax_rtx_costs): Likewise.
15430 (vax_output_int_move): Likewise.
15431 (vax_output_int_add): Likewise.
15432 (legitimate_constant_address_p): Likewise.
15433 (index_term_p): Likewise.
15434 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15435 * config/vax/vax.md (and<mode>3): Likewise.
15436 (ashrsi3): Likewise.
15438 (movstricthi): Likewise.
15439 (movstrictqi): Likewise.
15440 (rotrsi3): Likewise.
15441 (five unnamed insns): Likewise.
15443 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15445 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15446 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15447 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15448 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15449 Pass to ASM_OUTPUT_DWARF_OFFSET.
15450 * dwarf2out.c (debug_frame_section): New.
15451 (output_call_frame_info): Use debug_frame_section. Pass it to
15452 dw2_asm_output_offset.
15453 (output_die): Pass appropriate section to dw2_asm_output_offset.
15454 (output_compilation_unit_header): Likewise.
15455 (output_pubnames): Likewise.
15456 (output_aranges): Likewise.
15457 (enum dw_val_class): Break dw_val_class_lbl_offset into
15458 dw_val_class_lineptr and dw_val_class_macptr.
15459 (add_AT_lbl_offset): Delete.
15460 (add_AT_lineptr): New.
15461 (add_AT_macptr): New.
15462 (AT_lbl): Expect a lineptr or macptr.
15463 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15464 (attr_checksum): Likewise.
15465 (same_dw_val_p): Likewise.
15466 (size_of_die): Likewise.
15467 (value_format): Likewise.
15468 (output_die): Likewise.
15469 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15471 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15472 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15473 * config/darwin-protos.h (darwin_file_start): New.
15474 (darwin_asm_output_dwarf_offset): New.
15475 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15476 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15478 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15479 if not EH section; simplify.
15480 (darwin_file_start): New.
15481 (darwin_asm_output_dwarf_offset): New.
15482 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15484 (DEBUG_INFO_SECTION): Likewise.
15485 (DEBUG_ABBREV_SECTION): Likewise.
15486 (DEBUG_ARANGES_SECTION): Likewise.
15487 (DEBUG_MACINFO_SECTION): Likewise.
15488 (DEBUG_LINE_SECTION): Likewise.
15489 (DEBUG_LOC_SECTION): Likewise.
15490 (DEBUG_PUBNAMES_SECTION): Likewise.
15491 (DEBUG_STR_SECTION): Likewise.
15492 (DEBUG_RANGES_SECTION): Likewise.
15493 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15494 (ASM_OUTPUT_DWARF_OFFSET): New.
15496 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15498 * config.gcc (tm_defines): Always add to previous value rather
15501 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15503 * config/mips/predicates.md (splittable_const_int_operand): New,
15504 split from move_operand.
15505 (splittable_symbolic_operand): New.
15506 (move_operand): Add commentary. Use splittable_const_int_operand.
15507 Inline mips_atomic_symbolic_constant_p.
15508 * config/mips/mips.md: Add combine splitters for handling moves
15509 of splittable_const_int_operands and splittable_symbolic_operands.
15510 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15511 (mips_split_symbol): Declare.
15512 (mips_move_integer): Declare.
15513 * config/mips/mips.c (mips_split_p): Make global.
15514 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15515 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15516 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15517 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15518 (mips_offset_within_object_p): Handle block symbols.
15519 (mips_atomic_symbolic_constant_p): Delete.
15520 (mips_cannot_force_const_mem): Return false for constants that
15521 mips_legitimize_move can handle.
15522 (mips_use_blocks_for_constant_p): New function.
15523 (mips_split_symbol): Make global.
15524 (mips_move_integer): Likewise. Add a temporary register argument.
15525 (mips_legitimize_const_move): Use splittable_const_int_operand and
15526 splittable_symbolic_operand.
15527 (mips_use_anchors_for_symbol_p): New function.
15528 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15529 (mips_split_p): Declare.
15531 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15533 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15534 (mips*-*-linux*): Likewise.
15536 2006-03-16 Roger Sayle <roger@eyesopen.com>
15537 Daniel Speyer <dspeyer@wam.umd.edu>
15539 PR middle-end/18259
15540 * tree-dump.c (dump_real): New function.
15541 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15542 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15543 (tree-dump.o): Add $(REAL_H) to the dependencies.
15545 2006-03-16 Roger Sayle <roger@eyesopen.com>
15547 PR middle-end/21781
15548 * real.c (real_from_string): If the mantissa is zero, don't bother
15549 parsing the exponent as the result should always be zero.
15551 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15553 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15555 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15557 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15558 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15559 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15560 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15561 ia64_sched_finish_global): New static functions to implement
15562 hooks from gcc_target.sched.
15563 (spec_check_no, max_uid, pending_data_specs): New static variables.
15564 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15565 ia64_spec_check_src_p): New static functions.
15566 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15567 (TARGET_SCHED_ADJUST_COST): Removed.
15568 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15569 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15570 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15571 TARGET_SCHED_GEN_CHECK,
15572 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15573 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15574 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15575 Fixed to handle speculation checks.
15576 (rtx_needs_barrier): Fixed to handle speculative loads and
15578 (ia64_variable_issue): Added code to count speculative loads and their
15580 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15582 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15584 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15586 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15587 (ia64_reorg): Reset stops_p to NULL after it is freed.
15588 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15589 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15590 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15592 (data_speculative, control_speculative, check_load): New attributes.
15593 (mov<mode>_advanced, mov<mode>_speculative,
15594 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15595 zero_extend<mode>di2_speculative,
15596 zero_extend<mode>di2_speculative_advanced): New patterns for
15597 data and control speculative loads.
15598 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15600 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15601 New pattern for data and control speculation checks.
15602 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15603 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15604 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15605 Auxiliary definitions for the patterns.
15606 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15607 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15609 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15611 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15612 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15613 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15614 New resource constraints.
15615 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15617 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15618 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15619 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15620 msched-in-control-spec, msched-ldc, msched-control-ldc,
15621 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15622 msched-prefer-non-control-spec-insns,
15623 msched-count-spec-in-critical-path): New flags to tune speculative
15625 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15626 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15627 msched-in-control-spec, msched-ldc, msched-control-ldc,
15628 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15629 msched-prefer-non-control-spec-insns,
15630 msched-count-spec-in-critical-path): Document new flags.
15632 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15634 * target.h (struct spec_info_def): New opaque declaration.
15635 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15636 speculate_insn, needs_block_p, gen_check,
15637 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15638 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15639 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15640 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15641 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15642 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
15644 (TARGET_SCHED): Use new macros.
15645 * rtl.h (copy_DEPS_LIST_list): New prototype.
15646 * sched-int.h (struct sched_info): Change signature of new_ready field,
15647 adjust all initializations. New fields: add_remove_insn,
15648 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
15649 region_head_or_leaf_p.
15650 (struct spec_info_def): New structure declaration.
15651 (spec_info_t): New typedef.
15652 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
15653 recovery_block, orig_pat.
15654 (glat_start, glat_end): New variables declaraions.
15655 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
15657 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
15658 DETACH_LIFE_INFO, USE_GLAT.
15659 (enum SPEC_SCHED_FLAGS): New enumeration.
15660 (NOTE_NOTE_BB_P): New macro.
15661 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
15662 attach_life_info, debug_spec_status, check_reg_live): New functions.
15663 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
15664 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
15666 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
15667 * ddg.c (get_block_head_tail): Adjust all uses.
15668 * modulo-sched.c (get_block_head_tail): Adjust all uses.
15669 (sms_sched_info): Initialize new fields.
15670 (contributes_to_priority): Removed.
15671 * haifa-sched.c (params.h): New include.
15672 (get_block_head_tail): Adjust all uses.
15673 (ISSUE_POINTS): New macro.
15674 (glat_start, glat_end): New global variables.
15675 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
15676 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
15677 old_last_basic_block, before_recovery, current_sched_info_var,
15678 rgn_n_insns, luid): New static variables.
15679 (insn_cost1): New function. Move logic from insn_cost to here.
15680 (find_insn_reg_weight1): New function. Move logic from
15681 find_insn_reg_weight to here.
15682 (reemit_notes, move_insn, max_issue): Change signature.
15683 (move_insn1): Removed.
15684 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
15685 extend_bb): New static functions to support extension of scheduler's
15687 (generate_recovery_code, process_insn_depend_be_in_spec,
15688 begin_speculative_block, add_to_speculative_block,
15689 init_before_recovery, create_recovery_block, create_check_block_twin,
15690 fix_recovery_deps): New static functions to support
15691 generation of recovery code.
15692 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
15693 restore_bb_notes, move_block_after_check, move_succs): New static
15694 functions to support ebb scheduling.
15695 (init_glat, init_glat1, attach_life_info1, free_glat): New static
15696 functions to support handling of register live information.
15697 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
15698 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
15699 add_jump_dependencies): New static functions.
15700 (check_cfg, has_edge_p, check_sched_flags): New static functions for
15701 consistancy checking.
15702 (debug_spec_status): New function to call from debugger.
15703 (priority): Added code to handle speculation checks.
15704 (rank_for_schedule): Added code to distinguish speculative instructions.
15705 (schedule_insn): Added code to handle speculation checks.
15706 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
15707 Fixed to handle ebbs.
15708 (move_insn): Added code to handle ebb scheduling.
15709 (max_issue): Added code to use ISSUE_POINTS of instructions.
15710 (choose_ready): Added code to choose between speculative and
15711 non-speculative instructions.
15712 (schedule_block): Added code to handle ebb scheduling and scheduling of
15713 speculative instructions.
15714 (sched_init): Initialize new variables.
15715 (sched_finish): Free new variables. Print statistics.
15716 (try_ready): Added code to handle speculative instructions.
15717 * lists.c (copy_DEPS_LIST_list): New function.
15718 * sched-deps.c (extend_dependency_caches): New function. Move logic
15719 from create_dependency_caches to here.
15720 (get_dep_weak, ds_merge): Make global.
15721 * genattr.c (main): Code to output prototype for
15722 dfa_clear_single_insn_cache.
15723 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
15724 (output_dfa_clean_insn_cache_func): Code to output
15725 dfa_clear_single_insn_cache function.
15726 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
15728 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
15730 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
15731 New static variables.
15732 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
15733 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
15735 (ebb_sched_info): Initialize new fields.
15736 (get_block_head_tail): Adjust all uses.
15737 (compute_jump_reg_dependencies): Fixed to use glat_start.
15738 (schedule_ebb): Code to remove unreachable last block.
15739 (schedule_ebbs): Added code to update register live information.
15740 * sched-rgn.c (region_sched_info): Initialize new fields.
15741 (get_block_head_tail): Adjust all uses.
15742 (last_was_jump): Removed. Adjust users.
15743 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
15744 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
15745 Implement new hooks.
15746 (check_dead_notes1): New static function.
15747 (struct region): New fields: dont_calc_deps, has_real_ebb.
15748 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
15749 (BB_TO_BLOCK): Fixed to handle EBBs.
15750 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
15751 (ebb_head): New static variable.
15752 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
15753 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
15755 (compute_dom_prob_ps): New assertion.
15756 (check_live_1, update_live_1): Fixed to work with glat_start instead of
15757 global_live_at_start.
15758 (init_ready_list): New assertions.
15759 (can_schedule_ready_p): Split update code to begin_schedule_ready.
15760 (new_ready): Add support for BEGIN_CONTROL speculation.
15761 (schedule_insns): Fixed code that updates register live information
15763 (schedule_region): Fixed to handle EBBs.
15764 (init_regions): Use extend_regions and check_dead_notes1.
15765 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
15766 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
15767 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
15768 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15769 TARGET_SCHED_GEN_CHECK,
15770 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15771 TARGET_SCHED_SET_SCHED_FLAGS): Document.
15772 * doc/invoke.texi (max-sched-insn-conflict-delay,
15773 sched-spec-prob-cutoff): Document.
15775 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15777 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
15778 inter_tick, queue_index.
15779 (struct sched_info): Change signature of init_ready_list field.
15780 Adjust all initializations.
15781 (RESOLVED_DEPS): New access macro.
15782 (ready_add): Remove prototype.
15783 (try_ready): Add prototype.
15784 * sched-rgn.c (init_ready_list): Use try_ready.
15785 (schedule_region): Initialize
15786 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
15787 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
15788 (init_ready_list): Use try_ready.
15789 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
15790 * lists.c (remove_list_elem): Remove `static'.
15791 (remove_free_INSN_LIST_elem): New function.
15792 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
15793 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
15794 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
15796 (readyp): New variable.
15797 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
15798 change_queue_index, resolve_dep): New static functions.
15799 (try_ready): New function. Adjust callers in sched-rgn.c and
15800 sched-ebb.c to use it instead of ready_add.
15801 (clock_var): Move at the begining of file.
15802 (rank_for_schedule): Fix typo.
15803 (queue_insn): Add assertion. Handle QUEUE_INDEX.
15804 (ready_lastpos): Enforce assertion.
15805 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
15806 update all callers.
15807 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
15808 (schedule_insn): Rewrite to use try_ready and resolve_dep.
15809 (queue_to_ready): Use free_INSN_LIST_list.
15810 (early_queue_to_ready): Fix typo.
15811 (schedule_block): Init readyp. Move init_ready_list call after the
15812 initialization of clock_var. Fix error in rejecting insn by
15813 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
15814 that previously corrected INSN_TICKs. Add code for handling
15816 (set_priorities): Fix typo.
15817 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
15818 Clarify comment and code that keeps current_sched_info->next_tail
15821 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15823 * sched-rgn.c (extend_rgns): New static function.
15824 (find_rgns): Use it.
15825 (gather_region_statistics, print_region_statistics): New static
15827 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
15828 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
15830 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15831 Andrey Belevantsev <abel@ispras.ru>
15833 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
15834 * lists.c (unused_deps_list): New variable.
15835 (free_list): Add assertions to verify the proper distinguishing
15836 between INSN_LISTs and DEPS_LISTs.
15837 (find_list_elem, remove_list_elem, remove_list_node): New static
15839 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
15840 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
15841 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
15842 (alloc_INSN_LIST): Assert that the list we're working on is indeed
15844 (free_INSN_LIST_node): Likewise.
15845 * modulo-sched.c (current_sched_info): Initialize flags field.
15846 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
15847 * rtl.def (DEPS_LIST): Define.
15848 * rtl.h: Declare new functions from lists.c.
15849 * sched-deps.c (spec_dependency_cache): New static variable.
15850 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
15851 (add_dependence): Change return type to void. Move the logic to ...
15852 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
15853 (delete_all_dependences): Add comment about forward_dependency_cache.
15854 Handle spec_dependency_cache. Handle DEPS_LISTs.
15855 (fixup_sched_groups): Clarify the change of priority of output
15856 and anti dependencies.
15857 (sched_analyze_2): Adjust add_dependence calls to create data
15858 speculative dependence.
15859 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
15860 Adjust all callers. Handle DEPS_LISTS.
15861 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
15862 presence of speculation.
15863 (init_dependency_caches, free_dependency_caches):
15864 Handle spec_dependency_cache.
15865 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
15866 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
15867 New static functions.
15868 (add_or_update_back_dep, add_or_update_back_forw_dep,
15869 add_back_forw_dep, delete_back_forw_dep): New functions.
15870 * sched-int.h (ds_t, dw_t): New typedefs.
15871 (struct sched_info): Add new field flags.
15872 (struct haifa_insn_data): Add new bitfield has_internal_dep.
15873 Prototype new sched-deps.c functions.
15874 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
15875 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
15876 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
15877 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
15878 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
15879 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
15881 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
15883 * sched-rgn.c (current_sched_info): Initialize flags field.
15884 (schedule_insns): Initialize current_sched_info before the sched_init
15886 * sched-ebb.c (current_sched_info): Initialize flags field.
15887 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
15888 Call add_or_update_back_dep instead of add_dependence.
15889 Create control speculative dependencies.
15890 (schedule_insns): Initialize current_sched_info before the sched_init
15893 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
15895 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
15897 (sh_fallback_frame_state): Likewise.
15899 2006-03-15 Geoffrey Keating <geoffk@apple.com>
15901 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
15902 Do switch on default_use_cxa_atexit.
15903 (powerpc*-*-darwin*): Build crt2.o on powerpc.
15904 * config/darwin-crt3.o: New.
15905 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
15906 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
15907 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
15909 * config/rs6000/t-darwin: Move crt2.o building to here.
15910 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
15911 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
15914 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15916 * config/vax/vax.c (nonindexed_address_p): Change logical negation
15917 from '! xxx' to '!xxx' for coding-style conformance.
15918 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
15919 (EXTRA_CONSTRAINT): Likewise.
15920 * config/vax/vax.md (four unnamed insns): Likewise.
15922 2006-03-15 Paul Brook <paul@codesourcery.com>
15924 * config/arm/arm.c (minipool_pad): New.
15925 (add_minipool_forward_ref): Include pool alignment padding in address
15927 (push_minipool_fix): Set minipool_pad.
15928 (minipool_pad): Ditto.
15930 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15932 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
15933 instead of GET_CODE() == MEM and REG_P() instead of
15935 (print_operand_address): Likewise.
15936 (vax_address_cost): Likewise.
15937 (vax_rtx_costs): Likewise.
15938 (vax_notice_update_cc): Likewise.
15939 (vax_output_int_add): Likewise.
15940 (INDEX_REGISTER_P): Likewise.
15941 (BASE_REGISTER_P): Likewise.
15942 (nonindexed_address_p): Likewise.
15943 (vax_mode_dependent_address_p): Likewise.
15944 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
15945 (PRINT_OPERAND): Likewise.
15946 * config/vax/vax.md (ashlsi3): Likewise.
15947 (ashlsi3): Likewise.
15948 (some more unnamed insns): Likewise.
15950 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
15952 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
15953 iterator-style macro.
15954 (mark_control_dependent_edges_necessary): Update the use of
15955 EXECUTE_IF_CONTROL_DEPENDENT.
15957 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
15959 * config/sh/predicates.md (cache_address_operand): Special.
15960 (ua_address_operand): Likewise.
15962 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
15964 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
15966 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
15968 2006-03-15 Andreas Schwab <schwab@suse.de>
15970 * gensupport.c (identify_predicable_attribute): Don't free p_false
15971 when it is still in use.
15973 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
15975 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
15976 the default setting here.
15978 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
15980 * tree-pass.h (pass_cfg): Remove.
15981 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
15982 * passes.c (pass_cfg): Don't run it.
15984 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
15986 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
15987 * reg-stack.c (stack_regs_mentioned_data): Change the type to
15989 (stack_regs_mentioned): Update the uses of
15990 stack_regs_mentioned_data. Don't access the array beyond its
15992 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
15993 Don't include gt-reg-stack.h.
15995 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
15996 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
15998 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
16000 PR middle-end/26684
16001 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
16004 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16006 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
16008 2006-03-14 Richard Guenther <rguenther@suse.de>
16010 PR tree-optimization/26672
16011 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
16014 2006-03-14 Richard Guenther <rguenther@suse.de>
16016 PR tree-optimization/26667
16017 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
16018 node for the callees. Always allow inlining if it will shrink
16021 2006-03-14 Richard Guenther <rguenther@suse.de>
16023 PR middle-end/26659
16024 * builtins.c (get_pointer_alignment): Prefer alignment
16025 information from decls over that from types.
16027 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
16030 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
16032 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
16034 * config/rs6000/rs6000.opt (mdlmzb): New option.
16035 (msched-prolog, msched-epilog): Use Var not Mask.
16036 * doc/invoke.texi (-mdlmzb): Document.
16037 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16039 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
16040 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
16042 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
16044 PR rtl-optimization/25739
16045 * bt-load.c (augment_live_range): Free tos pointer.
16047 * gensupport.c (identify_predicable_attribute): Free
16049 * gcov.c (create_file_names): Free name pointer.
16051 2006-03-13 Roger Sayle <roger@eyesopen.com>
16053 PR middle-end/26557
16054 * stmt.c (emit_case_nodes): Handle the case where the index is a
16055 CONST_INT, where the comparison mode is specified by the index type.
16057 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16059 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
16062 2006-03-13 Richard Sandiford <richard@codesourcery.com>
16064 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
16065 (*branch_fp_inverted): Likewise.
16067 2006-03-13 Jakub Jelinek <jakub@redhat.com>
16069 PR middle-end/25989
16070 * omp-low.c (expand_omp_for_generic): Mark istart0
16071 and iend0 as addressable.
16073 2006-03-13 Jie Zhang <jie.zhang@analog.com>
16075 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
16077 2006-03-13 Jeff Law <law@redhat.com>
16079 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
16080 virtual operands are interesting.
16081 (vrp_visit_stmt): Corresponding changes.
16083 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
16085 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
16087 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
16088 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
16089 * config/bfin/crti.S: Use it instead of __PIC__.
16090 * config/bfin/crtn.S: Likewise.
16092 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
16093 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
16095 Lose 'G' modifier for call operand.
16096 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
16097 recognize 'G' modifier.
16099 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
16101 PR middle-end/18859
16102 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
16103 * stmt.c (expand_case): Likewise.
16105 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16107 PR rtl-optimization/26254
16108 * loop-invariant.c (seq_insns_valid_p): New function.
16109 (move_invariant_reg): Only emit new code if it is valid.
16111 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16113 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
16115 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
16116 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
16117 (commit_one_edge_insertion): Do not look for loop notes.
16119 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16121 * jump.c (follow_jumps): Do not check for loop notes. Move check for
16122 flag_test_coverage out of loop.
16124 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16126 * final.c (shorten_branches): Remove outdated comment, and turn
16127 the if branch that guards it to continue.
16129 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16131 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
16132 * cfgloop.h (struct loop): Remove unused fields.
16134 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
16136 * doc/invoke.texi (-fdump-rtl-loop): Remove.
16137 (-dL, -fdump-rtl-loop2): Update the dump file names
16139 * doc/invoke.texi: Update dump file names.
16141 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
16143 * predict.c (estimate_probability): Remove.
16144 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
16145 * basic-block.h (estimate_probability): Remove prototype.
16146 * passes.c (finish_optimization_passes): Dump branch prediction or
16147 profiling heuristics to the .profile tree dump.
16148 (init_optimization_passes): Unqueue pass_branch_prob.
16150 * doc/invoke.texi (-fdump-rtl-bp): Remove.
16152 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16154 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16155 * rtl.h (LABEL_NEXTREF): Remove field accessor.
16157 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
16159 * function.h (frame_offset_overflow): Declare.
16160 * function.c (frame_offset_overflow): New function.
16161 (assign_stack_local_1): Call it to detect that the offset overflows.
16162 * cfgexpand.c (alloc_stack_frame_space): Likewise.
16164 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16166 * config/sh/sh.c: Include alloc-pool.h.
16167 (label_ref_list_pool): New alloc pool.
16168 (label_ref_list_t): New type for lists of labels.
16169 (struct pool_node): Make wend a label_ref_list_t.
16170 (add_constant): Use the new type, eradicate LABEL_NEXTREF
16172 (dump_table): Likewise.
16173 (sh_reorg): Set up the alloc pool before using add_constant and
16174 dump_table, and destroy it when finishing.
16176 2006-03-11 Richard Sandiford <richard@codesourcery.com>
16178 * config/mips/mips.c: Remove redundant comment.
16180 2006-03-10 Jason Merrill <jason@redhat.com>
16183 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16184 the target was declared 'register'.
16186 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
16188 * genpreds.c (write_insn_constraint_len): Change definition of
16189 insn_constraint_len to return size_t to match the declaration.
16191 2006-03-10 DJ Delorie <dj@redhat.com>
16193 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16195 (m32c_expand_insv): Fix test for an AND mask.
16197 2006-03-10 Richard Guenther <rguenther@suse.de>
16199 PR middle-end/26565
16200 * builtins.c (get_pointer_alignment): Handle component
16201 references for field alignment.
16203 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16205 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16206 when building with libgloss.
16207 (sh*elf): Implement --without-fp option.
16208 (sh64-superh-linux*): Don't multilib.
16210 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16212 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16214 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
16216 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16217 Set it when one of the replacement functions returned true.
16218 Return TODO_cleanup_cfg if cfgchanged is true.
16219 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16221 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
16223 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16224 instead of gen_lowpart.
16226 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16228 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16230 (mips_output_order_conditional_branch): Declare.
16231 * config/mips/mips.h (MIPS_BRANCH): New macro.
16232 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16233 for the comparison. Use gen_condjump.
16234 (mips_output_conditional_branch): Rework interface to take the
16235 asm templates for a direct branch and the inverse of a direct branch.
16236 (mips_output_order_conditional_branch): New function.
16237 (mips_builtin_branch_and_move): New function.
16238 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
16239 branch condition. Use gen_single_cc as the condition for
16240 __builtin_mips_upper_* or __builtin_mips_lower_*.
16241 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16242 Use VOIDmode for the branch condition.
16243 * config/mips/predicates.md (order_operator): New predicate.
16244 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16245 (branch_fp): Rename to...
16246 (*branch_fp): ...this. Remove mode from comparison operator.
16247 Use new mips_output_conditional_branch interface.
16248 (branch_fp_inverted): Rename to...
16249 (*branch_fp_inverted): ...this and update as for *branch_fp.
16250 (*branch_zero<mode>): Rename to...
16251 (*branch_order<mode>): ...this. Remove mode from comparison operator.
16252 Use mips_output_order_conditional_branch. Only accept ordered
16254 (*branch_zero<mode>_inverted): Rename to...
16255 (*branch_order<mode>_inverted): ...this and update as for
16256 *branch_order<mode>.
16257 (*branch_equality<mode>): Accept zero as the second operand to
16258 the equality operator. Use the new mips_output_conditional_branch
16260 (*branch_equality<mode>_inverted): Likewise.
16261 (condjump): New expander.
16262 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16264 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16265 (bc1any2t, bc1any2f): Likewise.
16266 (single_cc): New expander.
16267 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16269 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16271 * doc/md.texi: Update documentation of MIPS constraints.
16272 * config/mips/constraints.md: New file.
16273 * config/mips/mips.md: Include it.
16274 * config/mips/mips.c (mips_char_to_class): Delete.
16275 (override_options): Don't initialize mips_char_to_class.
16276 * config/mips/mips.h (mips_char_to_class): Delete.
16277 (REG_CLASS_FROM_LETTER): Delete.
16278 (CONST_OK_FOR_LETTER_P): Delete.
16279 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
16280 (EXTRA_CONSTRAINT_Y): Delete.
16281 (EXTRA_CONSTRAINT_STR): Delete.
16282 (CONSTRAINT_LEN): Delete.
16283 (EXTRA_MEMORY_CONSTRAINT): Delete.
16285 2006-03-09 Diego Novillo <dnovillo@redhat.com>
16287 * tree-cfg.c (move_block_to_fn): Remove the statements from the
16288 original fn's eh regions.
16290 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
16292 * fold-const.c (build_range_check): Make sure to use a valid type to
16293 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
16296 (range_predecessor): New static function.
16297 (range_successor): Likewise.
16298 (merge_ranges): Use them to compute predecessors and successors of
16301 2006-03-09 Roger Sayle <roger@eyesopen.com>
16303 PR middle-end/26561
16304 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16305 X op C3, consider whether C3 overflows towards +Inf or -Inf.
16307 2006-03-08 DJ Delorie <dj@redhat.com>
16309 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
16310 (addpsi3): Expand to include memory operands. Remove
16311 reload-specific splits.
16312 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
16313 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
16314 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
16315 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16316 (shift1_qi, shift1_hi, insv): New.
16317 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
16318 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
16319 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
16321 * config/m32c/m32c-protos.h: Update as needed.
16322 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
16323 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
16324 Fail for unrecognized R* constraints.
16325 (m32c_cannot_change_mode_class): Be more picky about pseudos.
16326 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
16327 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
16329 (m32c_init_libfuncs): New.
16330 (m32c_legitimate_address_p): Add debug wrapper.
16331 (m32c_rtx_costs): New.
16332 (m32c_address_cost): New.
16333 (conversions): Add 'B' prefix.
16334 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
16335 operands, or word regnames for QI operands. 'B' prints bit
16337 (m32c_expand_setmemhi): New.
16338 (m32c_expand_movmemhi): New.
16339 (m32c_expand_movstr): New.
16340 (m32c_expand_cmpstr): New.
16341 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
16342 (m32c_expand_neg_mulpsi3): Handle non-ints.
16343 (m32c_cmp_flg_0): New.
16344 (m32c_expand_movcc): New.
16345 (m32c_expand_insv): New.
16346 (m32c_scc_pattern): New.
16347 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
16348 a0/a1 out of SIregs.
16349 (STORE_FLAG_VALUE): New.
16350 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
16353 * config/m32c/mov.md: Make constraints more liberal.
16354 (zero_extendqihi2): Optimize r0/r1 case.
16355 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
16356 * config/m32c/predicates.md (m32c_any_operand): New.
16357 (m32c_nonimmediate_operand): New.
16358 (m32c_hl_operand): New.
16359 (m32c_r3_operand): New.
16362 (memsym_operand): New.
16363 (memimmed_operand): New.
16364 (a_qi_operand): New.
16365 (m32c_eqne_operator): New.
16366 (m32c_1bit8_operand): New.
16367 (m32c_1bit16_operand): New.
16368 (m32c_1mask8_operand): New.
16369 (m32c_1mask16_operand): New.
16370 * config/m32c/blkmov.md: New file.
16371 * config/m32c/t-m32c (MD_FILES): Add blkmov.
16373 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
16375 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
16376 unsigned to fix signed/unsigned comparison issue in
16377 DWARF2_FRAME_REG_OUT.
16378 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
16379 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
16381 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
16382 of ptr into the ENABLE_CHECKING section.
16384 2006-03-08 Jeff Law <law@redhat.com>
16386 * tree-vrp.c (infer_value_range): Only count pointer uses
16387 and dereferences if -fdelete-null-pointer-checks is enabled.
16389 * tree-vrp.c (find_assert_locations): Infer value ranges for
16390 single use pointers, but do not create ASSERT_EXPRs for them.
16391 When a non-null range is inferred for a pointer, backwards
16392 propagate that range to other equivalent pointers through the
16395 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
16398 * Makefile.in (dvi, html, install-info): Invoke the corresponding
16399 language hook targets.
16400 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
16401 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
16402 if language hook targets were missing.
16404 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
16406 * tree-ssa-opfinalize.h: Removed.
16407 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
16409 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
16410 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
16411 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
16412 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
16413 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
16414 finalize_ssa_v_must_def_ops): New.
16416 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
16418 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
16419 block as parameter.
16421 2006-03-07 Geoffrey Keating <geoffk@apple.com>
16423 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
16425 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
16426 addresses with offsets; reorganize.
16428 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
16429 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16430 (expand_builtin_init_dwarf_reg_sizes): Likewise.
16432 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16435 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16437 2006-03-08 Ben Elliston <bje@au.ibm.com>
16439 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16441 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16444 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16447 2006-03-07 Richard Guenther <rguenther@suse.de>
16449 PR tree-optimization/26587
16450 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16452 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16454 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16456 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16458 * hooks.c (hook_bool_mode_rtx_true): New function.
16459 * hooks.h (hook_bool_mode_rtx_true): Declare.
16460 * toplev.c (compile_file): Call output_shared_constant_pool.
16461 * varasm.c (shared_constant_pool): New variable.
16462 (assemble_start_function, assemble_end_function): Remove arguments
16463 from call to output_constant_pool.
16464 (create_constant_pool): New function, split out from...
16465 (init_varasm_status): ...here.
16466 (force_const_mem): Choose between the shared and per-function constant
16467 pools. Set current_function_uses_const_pool when reusing old entries
16468 as well as when creating new ones.
16469 (mark_constant): Ignore data argument.
16470 (mark_constants): Remove pool argument.
16471 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16472 to decide whether the function uses a constant pool.
16473 (output_constant_pool_contents): New function, split out from...
16474 (output_constant_pool): ...here.
16475 (output_shared_constant_pool): New function.
16476 (init_varasm_once): Initialize shared_constant_pool.
16477 * output.h (output_constant_pool): Delete.
16478 (output_shared_constant_pool): Declare.
16479 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16480 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16482 2006-03-06 Nick Clifton <nickc@redhat.com>
16484 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16485 flag_strength_reduce.
16487 2006-03-06 Ben Elliston <bje@au.ibm.com>
16489 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16490 x86_64-*-linux* configurations.
16492 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16493 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16495 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16497 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16499 * basic-block.h: Remove the extern for
16500 rediscover_loops_after_threading.
16502 * cfgloop.c (cancel_loop): Make it static.
16503 * cfgloop.h: Remove the prototype for cancel_loop.
16505 * flow.c (recompute_reg_usage): Make it static.
16506 * rtl.h: Remove the prototype for recompute_reg_usage.
16508 * function.c (use_return_register): Make it static.
16509 * function.h: Remove the prototype.
16511 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16513 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16515 * recog.h: Remove the prototype for
16516 validate_change_maybe_volatile.
16518 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16520 * rtlanal.c (replace_reg): Remove.
16521 * rtl.h: Remove the prototype for replace_reg.
16523 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16525 * regclass.c (reg_scan_update): Remove.
16526 (reg_scan_mark_refs): Remove the last argument.
16527 * rtl.h: Remove the prototype for reg_scan_update.
16529 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16531 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16532 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16533 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16534 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16535 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16536 loop-invariant.c, omp-low.c, opts.c, passes.c,
16537 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16538 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16539 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16540 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16541 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16542 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16544 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16546 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16547 * dwarf2out.h: Remove the prototype for
16548 dwarf2out_add_library_unit_info.
16550 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16552 * tree.c (add_var_to_bind_expr): Remove.
16553 * tree.h: Remove the prototype for add_var_to_bind_expr.
16555 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16557 * regclass.c (n_non_fixed_regs): Remove.
16558 (init_reg_sets_1, globalize_reg): Remove all uses of
16560 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16562 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16564 * rtlanal.c (insns_safe_to_move_p): Remove.
16565 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16567 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16569 * expmed.c (expand_mult_add): Remove.
16570 * expr.h: Remove the prototype for expand_mult_add.
16572 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16574 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16575 and REG_SAVED_VAL_EXP constants.
16576 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16577 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16578 Handle regs stored by value.
16579 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16580 (execute_cfa_program): Handle DW_CFA_val_offset,
16581 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16582 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16583 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16584 (uw_install_context_1): Handle target regs stored by value.
16586 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16588 * tree-sra.c (tree_sra): Return todoflags;
16589 (generate_one_element): Set TODO_update_smt_usage if needed.
16590 (pass_sra): Remove TODO_update_smt_usage.
16591 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16593 (tree_ssa_forward_propagate_single_use_vars): Return
16594 TODO_update_smt_usage if we need to update SMT usage.
16595 (pass_forwprop): Remove TODO_update_smt_usage.
16597 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16599 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16600 (correct_use_link): Remove reference to get_stmt_operands.
16601 (update_stmt_operands): Likewise.
16602 (get_modify_expr_operands): New function factored out of
16603 parse_ssa_operands and get_expr_operands.
16604 Try to create V_MUST_DEFs for LHS by default.
16605 (get_expr_operands) <case MODIFY_EXPR>: Call
16606 get_modify_expr_operands.
16607 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16608 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16609 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16610 get_modify_expr_operands.
16612 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16614 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16615 * tree-flow.h: Remove the prototype for
16616 referenced_var_lookup_if_exists.
16618 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16620 PR rtl-optimization/26345
16622 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16624 2006-03-03 Roger Sayle <roger@eyesopen.com>
16626 PR tree-optimization/26524
16627 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16628 fold_convert to create a constant of the appropriate type.
16630 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16632 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16633 SYMBOL_REF_IN_BLOCK_P.
16634 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16635 of SYMBOL_FLAG_IN_BLOCK.
16636 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16637 instead of SYMBOL_REF_IN_BLOCK_P.
16638 * explow.c (use_anchored_address): Likewise.
16639 * rtl.c (rtx_size): Likewise.
16640 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16641 instead of SYMBOL_FLAG_IN_BLOCK.
16642 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16643 SYMBOL_REF_IN_BLOCK_P.
16644 (assemble_variable): Likewise.
16645 (output_constant_def_contents): Likewise.
16646 (output_constant_pool): Likewise.
16647 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
16648 instead of SYMBOL_FLAG_IN_BLOCK.
16649 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16650 SYMBOL_REF_IN_BLOCK_P.
16651 (SYMBOL_REF_BLOCK): Likewise.
16652 (SYMBOL_REF_OFFSET): Likewise.
16653 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16654 SYMBOL_REF_IN_BLOCK_P.
16655 (SYMBOL_FLAG_IN_BLOCK): Replace with...
16656 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
16657 (SYMBOL_REF_IN_BLOCK_P): Replace with...
16658 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
16660 2006-03-03 Jakub Jelinek <jakub@redhat.com>
16662 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
16664 2006-03-02 Roger Sayle <roger@eyesopen.com>
16666 * simplify-rtx.c (simplify_unary_operation): When simplifying
16667 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
16668 that we perform the right shift in the appropriate mode, and
16669 then extend or truncate the result to requested mode.
16671 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
16673 * gengtype.c (main): Handle double_int type.
16674 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
16675 * double-int.c: New file.
16676 * double-int.h: New file.
16677 * system.h: Include doubleint.h.
16678 * Makefile.in (SYSTEM_H): Include double-int.h.
16679 (double-int.o): Add.
16681 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
16684 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
16687 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16689 * tree-vrp.c (remove_range_assertions): Do not update statements
16692 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16694 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
16696 * gcse.c (rest_of_handle_gcse): Ditto.
16697 * except.c (gate_handle_eh): Ditto.
16698 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
16699 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
16701 2006-03-02 Eric Christopher <echristo@apple.com>
16703 * config/i386/i386.c (machopic_output_stub): Add indirection to
16706 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16710 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
16712 Sun Niagara specific optimizations.
16713 * config.gcc: Recognize niagara as target.
16714 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
16715 (TARGET_CPU_niagara): Define.
16716 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
16717 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
16718 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16719 (ASM_CPU_SPEC): Likewise.
16720 (PROCESSOR_NIAGARA): New enum entry.
16721 (REGISTER_MOVE_COST): Handle Niagara.
16722 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
16723 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
16724 (sparc_override_options): Recognize "niagara", set appropriate
16725 default MASK_* values for it, and align functions to 32-bytes
16726 by default just like ULTRASPARC/ULTRASPARC3.
16727 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
16728 (sparc64_initialize_trampoline): Likewise.
16729 (sparc_use_sched_lookahead): Use zero for niagara.
16730 (sparc_issue_rate): Use one for niagara.
16731 * config/sparc/niagara.md: New file.
16732 * config/sparc/sparc.md: Include it.
16733 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
16734 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
16735 when default cpu is niagara.
16736 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16737 (ASM_CPU_SPEC): Likewise.
16738 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
16739 when default cpu is niagara.
16740 (ASM_CPU_SPEC): Handle -mcpu=niagara.
16741 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
16742 just like v9/ultrasparc/ultrasparc3.
16743 * doc/invoke.texi: Add documentation for "niagara" and improve
16744 existing documentation for ultrasparc variants.
16746 2006-03-02 Diego Novillo <dnovillo@redhat.com>
16748 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
16750 2006-03-02 Richard Sandiford <richard@codesourcery.com>
16752 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
16753 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
16754 and say that only one is needed.
16755 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
16756 * target.h (have_switchable_bss_sections): New hook.
16757 * explow.c (use_anchored_address): Check that the symbol is in a block.
16758 * varasm.c (tls_comm_section, comm_section, lcomm_section)
16759 (bss_noswitch_section): New variables.
16760 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
16761 (get_noswitch_section): New function.
16762 (get_block_for_section): Allow SECT to be null.
16763 (unlikely_text_section_p): Use SECTION_STYLE.
16764 (bss_initializer_p): New function.
16765 (get_variable_section): Move earlier in file. Take a new argument,
16766 prefer_noswitch_p. Move bss checks from assemble_variable to here.
16767 Return one of the new *_sections in such cases.
16768 (get_block_for_decl): New function, extracting some logic from
16769 use_blocks_for_decl_p.
16770 (change_symbol_section): Remove in favor of...
16771 (change_symbol_block): ...this new function.
16772 (use_blocks_for_decl_p): Remove checks now performed by
16773 get_block_for_decl.
16774 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
16775 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
16776 (emit_local, emit_bss, emit_common): ...these new functions.
16777 Return true if the alignment was honored.
16778 (emit_tls_common): New function.
16779 (asm_emit_uninitialised): Delete.
16780 (assemble_variable_noswitch): New function, split out from...
16781 (assemble_variable): ...here. Don't make decisions about common
16782 variables here. Globalize all public decls that go into non-common
16783 sections. Check whether SYMBOL_REF_BLOCK is null.
16784 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
16785 (output_constant_pool): Likewise.
16786 (init_varasm_once): Initialize the new section variables.
16787 (have_global_bss_p): New function.
16788 (categorize_decl_for_section): Use bss_initializer_p.
16789 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
16790 (place_block_symbol): Assert that the symbol must be in a block.
16791 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
16792 (TARGET_INITIALIZER): Include it.
16793 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
16794 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
16795 (SECTION_MACH_DEP): Bump by two.
16796 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
16797 (unnamed_section): Mention SECTION_UNNAMED in comment.
16798 (named_section): Likewise SECTION_NAMED.
16799 (noswitch_section_callback): New type.
16800 (noswitch_section): New structure.
16801 (section): Add a noswitch_section alternative.
16802 (SECTION_STYLE): New macro.
16803 (tls_comm_section, comm_section, lcomm_section): Declare.
16804 (bss_noswitch_section, have_global_bss_p): Declare.
16805 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16806 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16808 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16809 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16812 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
16814 * tree-vrp.c (execute_vrp): Return value.
16815 * regrename.c (rest_of_handle_regrename): Ditto.
16816 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
16817 * tree-complex.c (tree_lower_complex): Ditto.
16818 (tree_lower_complex_O0): Ditto.
16819 * tracer.c (rest_of_handle_tracer): Ditto.
16820 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
16821 * postreload.c (rest_of_handle_postreload): Ditto.
16822 * tree-tailcall.c (execute_tail_recursion): Ditto.
16823 (execute_tail_calls): Ditto.
16824 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16825 * tree.h (init_function_for_compilation): Ditto.
16826 * ipa-cp.c (ipcp_driver): Ditto.
16827 * tree-scalar-evolution.c (scev_const_prop): Ditto.
16828 * tree-scalar-evolution.h (scev_const_prop): Ditto.
16829 * final.c (compute_alignments): Ditto.
16830 (rest_of_handle_final): Ditto.
16831 (rest_of_handle_shorten_branches): Ditto.
16832 (rest_of_clean_state): Ditto.
16833 * omp-low.c (execute_expand_omp): Ditto.
16834 (execute_lower_omp): Ditto.
16835 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
16836 * ipa-reference.c (static_execute): Ditto.
16837 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
16838 * reorg.c (rest_of_handle_delay_slots): Ditto.
16839 (rest_of_handle_machine_reorg): Ditto.
16840 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
16841 * flow.c (recompute_reg_usage): Ditto.
16842 (rest_of_handle_remove_death_notes): Ditto.
16843 (rest_of_handle_life): Ditto.
16844 (rest_of_handle_flow2): Ditto.
16845 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
16846 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
16847 (do_ssa_store_ccp): Ditto.
16848 (execute_fold_all_builtins): Ditto.
16849 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
16850 * modulo-sched.c (rest_of_handle_sms): Ditto.
16851 * ipa-pure-const.c (static_execute): Ditto.
16852 * cse.c (rest_of_handle_cse): Ditto.
16853 (rest_of_handle_cse2): Ditto.
16854 * web.c (rest_of_handle_web): Ditto.
16855 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
16856 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
16857 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
16858 * tree-nrv.c (tree_nrv): Ditto.
16859 (execute_return_slot_opt): Ditto.
16860 * tree-ssa-alias.c (compute_may_aliases): Ditto.
16861 (create_structure_vars): Ditto.
16862 * loop-init.c (rtl_loop_init): Ditto.
16863 (rtl_loop_done): Ditto.
16864 (rtl_move_loop_invariants): Ditto.
16865 (rtl_unswitch): Ditto.
16866 (rtl_unroll_and_peel_loops): Ditto.
16867 (rtl_doloop): Ditto.
16868 * gimple-low.c (lower_function_body): Ditto.
16869 (mark_used_blocks): Ditto.
16870 * tree-ssa-sink.c (execute_sink_code): Ditto.
16871 * ipa-inline.c (cgraph_decide_inlining): Ditto.
16872 (cgraph_early_inlining): Ditto.
16873 * global.c (rest_of_handle_global_alloc): Ditto.
16874 * jump.c (cleanup_barriers): Ditto.
16875 (purge_line_number_notes): Ditto.
16876 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
16877 (rest_of_handle_if_after_reload): Ditto.
16878 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
16879 (tree_ssa_loop_im): Ditto.
16880 (tree_ssa_loop_unswitch): Ditto.
16881 (tree_vectorize): Ditto.
16882 (tree_linear_transform): Ditto.
16883 (tree_ssa_loop_ivcanon): Ditto.
16884 (tree_ssa_empty_loop): Ditto.
16885 (tree_ssa_loop_bounds): Ditto.
16886 (tree_complete_unroll): Ditto.
16887 (tree_ssa_loop_prefetch): Ditto.
16888 (tree_ssa_loop_ivopts): Ditto.
16889 (tree_ssa_loop_done): Ditto.
16890 * predict.c (tree_estimate_probability): Ditto.
16891 * recog.c (split_all_insns_noflow): Ditto.
16892 (rest_of_handle_peephole2): Ditto.
16893 (rest_of_handle_split_all_insns): Ditto.
16894 * tree-eh.c (lower_eh_constructs): Ditto.
16895 * regmove.c (rest_of_handle_regmove): Ditto.
16896 (rest_of_handle_stack_adjustments): Ditto.
16897 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
16898 * function.c (instantiate_virtual_regs): Ditto.
16899 (init_function_for_compilation): Ditto.
16900 (rest_of_handle_check_leaf_regs): Ditto.
16901 * gcse.c (rest_of_handle_jump_bypass): Ditto.
16902 (rest_of_handle_gcse): Ditto.
16903 * ipa-type-escape.c (type_escape_execute): Ditto.
16904 * alias.c (rest_of_handle_cfg): Ditto.
16905 * tree-if-conv.c (main_tree_if_conversion): Ditto.
16906 * profile.c (rest_of_handle_branch_prob): Ditto.
16907 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
16908 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
16909 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
16910 * tree-dfa.c (find_referenced_vars): Ditto.
16911 * except.c (set_nothrow_function_flags): Ditto.
16912 (convert_to_eh_region_ranges): Ditto.
16913 (rest_of_handle_eh): Ditto.
16914 * emit-rtl.c (unshare_all_rtl): Ditto.
16915 (remove_unnecessary_notes): Ditto.
16916 * except.h (set_nothrow_function_flags): Ditto.
16917 (convert_to_eh_region_ranges): Ditto.
16918 * cfgexpand.c (tree_expand_cfg): Ditto.
16919 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
16920 * tree-ssa-pre.c (do_pre): Ditto.
16921 (execute_fre): Ditto.
16922 * cfgcleanup.c (rest_of_handle_jump): Ditto.
16923 (rest_of_handle_jump2): Ditto.
16924 * tree-sra.c (tree_sra): Ditto.
16925 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
16926 (execute_mudflap_function_decls): Ditto.
16927 * tree-ssa-copy.c (do_copy_prop): Ditto.
16928 (do_store_copy_prop): Ditto.
16929 * ipa-prop.h (ipcp_driver): Ditto.
16930 * cfglayout.c (insn_locators_initialize): Ditto.
16931 * tree-ssa-forwprop.c
16932 (tree_ssa_forward_propagate_single_use_vars): Ditto.
16933 * cfglayout.h (insn_locators_initialize): Ditto.
16934 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
16935 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
16936 (execute_late_warn_uninitialized): Ditto.
16937 * rtl.h (cleanup_barriers): Ditto.
16938 (split_all_insns_noflow): Ditto.
16939 (purge_line_number_notes): Ditto.
16940 (unshare_all_rtl): Ditto.
16941 (remove_unnecessary_notes): Ditto.
16942 (recompute_reg_usage): Ditto.
16943 (variable_tracking_main): Ditto.
16944 * integrate.c (emit_initial_value_sets): Ditto.
16945 * integrate.h (emit_initial_value_sets): Ditto.
16946 * tree-optimize.c (execute_free_datastructures): Ditto
16947 (execute_free_cfg_annotations): Ditto.
16948 (execute_fixup_cfg): Ditto.
16949 (execute_cleanup_cfg_pre_ipa): Ditto.
16950 (execute_cleanup_cfg_post_optimizing): Ditto.
16951 (execute_init_datastructures): Ditto.
16952 * tree-object-size.c (compute_object_sizes): Ditto.
16953 * combine.c (rest_of_handle_combine): Ditto.
16954 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
16955 * bb-reorder.c (duplicate_computed_gotos): Ditto.
16956 (rest_of_handle_reorder_blocks): Ditto.
16957 (rest_of_handle_partition_blocks): Ditto.
16958 * var-tracking.c (variable_tracking_main): Ditto.
16959 * tree-profile.c (tree_profiling): Ditto.
16960 * tree-vect-generic.c (expand_vector_operations): Ditto.
16961 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
16962 * sched-rgn.c (rest_of_handle_sched): Ditto.
16963 (rest_of_handle_sched2): Ditto.
16964 * basic-block.h (free_bb_insn): Ditto.
16965 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
16966 * tree-cfg.c (execute_build_cfg): Ditto.
16967 (remove_useless_stmts): Ditto.
16968 (split_critical_edges): Ditto.
16969 (execute_warn_function_return): Ditto.
16970 (execute_warn_function_noreturn): Ditto.
16971 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
16972 * cfgrtl.c (free_bb_for_insn): Ditto.
16973 * passes.c (execute_one_pass): Run additional
16974 todos returned by execute function.
16975 * tree-pass.h (struct tree_opt_pass): Make execute
16978 2006-03-02 Richard Guenther <rguenther@suse.de>
16980 * tree-ssa-alias.c (find_used_portions): Consider taking
16981 the address as making the variable not write-only.
16983 2006-03-02 Nick Clifton <nickc@redhat.com>
16985 * config.gcc (default_use_cxa_atexit): Extend the description of
16986 this configure variable. Set its default value to "yes" for
16987 Linux, NetBSD and ELF targets on the assumption that they will
16988 use C libraries with the __cxa_atexit function.
16990 2006-03-02 Ben Elliston <bje@au.ibm.com>
16992 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
16993 parameter as unused to suppress a build warning.
16995 2006-03-02 Ben Elliston <bje@au.ibm.com>
16997 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
17000 2006-03-01 Roger Sayle <roger@eyesopen.com>
17003 * gthr-posix.h (__gthrw2): Define to take three parameters, the
17004 declared name, the weak reference name, and the typeof name.
17005 (__gthrw): Avoid expanding the declared name suffix.
17006 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
17008 2006-03-01 Jakub Jelinek <jakub@redhat.com>
17010 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
17012 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
17013 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
17014 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
17015 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
17016 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
17017 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
17018 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
17019 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
17020 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
17021 DW_DS_leading_separate, DW_DS_trailing_separate): New.
17022 (DW_END_default, DW_END_big, DW_END_little): New.
17023 (DW_END_lo_user, DW_END_hi_user): Define.
17024 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
17025 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
17026 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
17029 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17031 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
17033 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
17035 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
17037 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
17039 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
17040 to 'symbol_mem_tag'.
17042 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
17045 2006-03-01 Roger Sayle <roger@eyesopen.com>
17047 * builtins.c (fold_builtin_copysign): Delete unreachable code.
17049 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17052 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
17053 MACHO_DYNAMIC_NO_PIC_P.
17054 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
17056 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17059 * config/darwin-protos.h (darwin_asm_output_anchor):
17061 * config/darwin-sections.def (cstring_section):
17062 Add SECTION_MERGE to the flags.
17063 (literal4_section): Likewise.
17064 (literal8_section): Likewise.
17065 (objc_selector_refs_section): Likewise.
17066 (objc_cls_refs_section): Likewise.
17067 * config/darwin.c (darwin_asm_output_anchor): New
17069 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17071 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
17073 Fix PR tree-optimization/26443
17074 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
17075 to todo and PROP_tmt_usage to properties_destroyed.
17076 * tree-ssa-ccp.c (pass_ccp): Ditto.
17077 (pass_store_ccp): Ditto.
17078 * tree-ssa-dom.c (pass_dominator): Ditto.
17080 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17082 * tree-ssa-operands.c: Cleanup whitespace.
17083 (get_asm_expr_operands): Move before first invocation.
17084 (get_indirect_ref_operands): Likewise.
17085 (get_tmr_operands): Likewise.
17086 (get_call_expr_operands): Likewise.
17087 (append_def): Likewise.
17088 (append_use): Likewise.
17089 (append_v_may_def): Likewise.
17090 (append_v_must_def): Likewise.
17091 (add_call_clobber_ops): Likewise.
17092 (add_call_read_ops): Likewise.
17093 (add_stmt_operand): Likewise.
17094 (add_virtual_operand): Likewise.
17095 (build_ssa_operands): Likewise.
17097 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17099 PR middle-end/26022
17101 PR middle-end/24437
17102 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17103 with a call expr to ...
17104 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17106 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17108 * tree-vrp.c (extract_range_from_assert): Remove special
17109 handling for types with super-types.
17111 2006-03-01 Ben Elliston <bje@au.ibm.com>
17113 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
17114 and powerpc64-*-linux* configurations.
17115 * config/t-dfprules: New file.
17117 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
17118 Compile dfp-bit.c from the source directory using -DWIDTH and
17119 $DFP_CFLAGS to control the compilation of that file, rather than
17120 generating width-specific versions in the build directory.
17121 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
17122 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
17124 2006-02-28 Zack Weinberg <zackw@panix.com>
17126 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
17129 2006-02-28 Eric Christopher <echristo@apple.com>
17131 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
17132 Set up IN_LIBGCC definition of TARGET_64BIT.
17133 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
17135 2006-02-28 Roger Sayle <roger@eyesopen.com>
17137 PR middle-end/14752
17138 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
17139 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
17140 cases via the construction of "expr != 0".
17142 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
17144 * alias.c (alias_invariant, alias_invariant_size): Remove.
17145 (record_base_value): Remove.
17146 (memrefs_conflict_p): Don't look at alias_invariant.
17147 (end_alias_analysis): Don't free it.
17148 * alias.h (record_base_value): Remove prototype.
17150 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
17151 Adam Nemet <anemet@caviumnetworks.com>
17153 * rtl.h (truncated_to_mode): Declare it.
17154 (struct rtl_hooks): Add reg_truncated_to_mode hook.
17155 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17156 (RTL_HOOKS_INITIALIZER): Include it.
17157 * rtlhooks.c (reg_truncated_to_mode_general): New function.
17158 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17159 reg_truncated_to_mode.
17160 * rtlanal.c (truncated_to_mode): Define it.
17161 * simplify-rtx.c (simplify_unary_operation_1): Use it.
17163 2006-02-28 Jeff Law <law@redhat.com>
17165 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17166 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17167 the range allowed by TYPE_PRECISION.
17169 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
17171 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
17173 PR tree-optimization/26419
17174 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17177 2006-02-27 Zack Weinberg <zackw@panix.com>
17179 * doc/md.texi: Fix typo in previous change.
17181 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
17185 2006-02-27 Zack Weinberg <zackw@panix.com>
17187 * rtl.def (define_constraint, define_register_constraint)
17188 (define_memory_constraint, define_address_constraint): New MD forms.
17189 * gensupport.c (process_rtx): Put define_constraint etc on the
17191 * genpreds.c (process_define_predicate): Adjust comment. Validate
17192 the name, and call validate_exp to validate the expression.
17193 (mark_mode_tests, write_extract_subexp): Can assume correct input.
17194 (write_predicate_expr): Likewise. NAME argument no longer necessary;
17195 all callers changed.
17196 (validate_exp, needs_variable, struct constraint_data)
17197 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17198 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17199 (const_dbl_constraints, constraint_max_namelen)
17200 (have_register_constraints, have_memory_constraints)
17201 (have_address_constraints, have_address_constraints)
17202 (have_extra_constraints, have_const_int_constraints)
17203 (have_const_dbl_constraints, mangle, add_constraint)
17204 (process_define_constraint, process_define_register_constraint)
17205 (write_enum_constraint_num, write_lookup_constraint)
17206 (write_insn_constraint_len, write_regclass_for_constraint)
17207 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17208 (write_insn_extra_memory_constraint)
17209 (write_insn_extra_address_constraint)
17210 (write_satisfies_constraint_fns): New.
17211 (write_tm_preds_h): If we have new-style constraint definitions,
17212 prototype the functions generated from them, and define the
17213 old constraint interface (still used by generic code) in terms of
17215 (write_insn_preds_c): If we have new-style constraint definitions,
17216 generate all relevant functions from those definitions.
17217 (main): Handle define_constraint etc.
17218 * genoutput.c (struct constraint_data, indep_constraints)
17219 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17220 (mdep_constraint_len): New data structures and functions, defined
17221 #ifdef USE_MD_CONSTRAINTS.
17222 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17223 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17224 use new logic to validate operand constraints against constraint
17226 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17228 * defaults.h: If none of the old-style constraint macros are
17229 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17230 old-style macros; and poison REG_CLASS_FROM_LETTER,
17231 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17233 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17234 * doc/md.texi: Document new constraint-definition mechanism and the
17235 C interface it provides. Remove references to old mechanism
17236 elsewhere in the document.
17237 (Machine Constraints): Use pathnames relative to gcc directory,
17238 i.e. config/ARCH/FILE. Change i386 section to refer to
17239 config/i386/predicates.md; update that section to match docstrings.
17240 * doc/tm.texi: Move all documentation of the old constraint-
17241 definition macros to their own section, clearly mark as obsolete.
17243 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17244 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17246 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17247 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17248 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17249 constraint strings.
17250 (splits and peepholes): Use satisfies_constraint_*.
17251 * config/i386/i386.c (memory_address_length)
17252 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17254 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17256 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17257 scalar operation to be put back into the loop.
17259 2006-02-27 Jakub Jelinek <jakub@redhat.com>
17262 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17263 (extract_cie_info): Handle S flag in augmentation string.
17264 (execute_cfa_program): If context->signal_frame, execute also
17265 fs->pc == context->ra instructions.
17266 (uw_frame_state_for): If context->signal_frame, don't subtract one
17267 from context->ra to find FDE.
17268 (uw_update_context_1): Set context->signal_frame to
17270 (_Unwind_GetIPInfo): New function.
17271 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17272 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17274 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17275 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17276 * unwind-compat.c (_Unwind_GetIPInfo): New function.
17277 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17278 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
17279 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
17280 * config/i386/linux-unwind.h (x86_fallback_frame_state,
17281 x86_64_fallback_frame_state): Set fs->signal_frame.
17282 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
17283 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
17284 (frob_update_context): Likewise. Workaround missing S flag in
17285 Linux 2.6.12 - 2.6.16 kernel vDSOs.
17286 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
17287 Remove the psw_addr + 1 hack.
17289 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17291 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
17292 with aggregates here.
17293 (find_func_aliases): Remove code for &<aggregate> from here.
17295 2006-02-26 Roger Sayle <roger@eyesopen.com>
17297 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
17298 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
17299 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
17300 as (X & C) ne/eq 0.
17302 2006-02-26 Roger Sayle <roger@eyesopen.com>
17304 PR middle-end/19983
17305 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
17307 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
17309 * opts.c (decode_options): Do not handle flag_strength_reduce.
17310 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
17311 and OPT_fstrength_reduce.
17312 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
17313 flag_prefetch_loop_arrays for being nonzero.
17314 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
17316 (fprefetch-loop-arrays-rtl): Removed.
17317 (flag_prefetch_loop_arrays): Do not specify the value.
17319 * doc/passes.texi: Update documentation of loop optimizer
17321 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
17322 -frerun-loop-opt): Remove.
17324 2006-02-26 Richard Guenther <rguenther@suse.de>
17326 PR tree-optimization/26421
17327 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
17328 in function calls that are ADDR_EXPRs as using the whole structure.
17330 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
17332 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
17333 * tree-pass.h (pass_loop_optimize): Remove.
17334 * passes.c (pass_loop_optimize): Never run it.
17335 * toplev.c (backend_init): Don't call init_loop.
17336 * opts.c (flag_loop_optimize_set): Remove.
17337 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
17338 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
17339 the old RTL loop optimizer when profiling enabled.
17340 * predict.c (tree_estimate_probability): Always strip builtin_expect.
17341 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
17342 pre-headers for the sake of the old RTL loop optimizer.
17343 * Makefile.in: Remove all references to loop.o.
17345 * doc/invoke.texi: Remove all references to -floop-optimize
17346 and -frerun-loop-opt.
17348 2006-02-26 Zack Weinberg <zackw@panix.com>
17350 * doc/md.texi (Machine Constraints): Refer to all files with paths
17351 relative to gcc directory (i.e. config/CPU/file). Add missing
17352 @table @code ... @end table to M32C subsection.
17354 2006-02-26 Roger Sayle <roger@eyesopen.com>
17356 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
17358 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
17360 2006-02-26 Roger Sayle <roger@eyesopen.com>
17361 James A. Morrison <phython@gcc.gnu.org>
17363 PR middle-end/21137
17364 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
17365 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
17366 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
17367 signedness of the shift operation.
17369 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
17371 PR tree-optimization/26359
17372 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
17374 2006-02-25 Roger Sayle <roger@eyesopen.com>
17376 * simplify-rtx.c (simplify_relational_operation_1): Simplify
17377 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
17378 as X == 0, and some symmetry related transformations.
17379 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
17381 2006-02-25 Roger Sayle <roger@eyesopen.com>
17383 PR middle-end/23673
17384 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
17385 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
17386 symmetry related transformations. Fold (X^C1) == C2 as
17389 2006-02-25 Juergen Weigert <jw@suse.de>
17390 Richard Guenther <rguenther@suse.de>
17392 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
17394 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
17396 * combine.c (gen_lowpart_or_truncate): Call
17397 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
17399 2006-02-24 Diego Novillo <dnovillo@redhat.com>
17401 * doc/invoke.texi: Move -fopenmp description to "Options for
17403 Remove reference to -lgomp.
17405 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17407 * doc/install.texi: Require GNU tar version 1.14.
17409 2006-02-24 Geoffrey Keating <geoffk@apple.com>
17411 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
17412 * doc/invoke.texi (C++ Dialect Options): Document
17413 -fno-use-cxa-get-exception-ptr.
17414 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
17415 * configure: Regenerate.
17416 * c.opt (fuse-cxa-get-exception-ptr): New.
17417 * c-opts.c (c_common_handle_option): Handle
17418 OPT_fuse_cxa_get_exception_ptr.
17419 * c-common.c (flag_use_cxa_atexit): Update documentation.
17420 (flag_use_cxa_get_exception_ptr): New.
17421 * c-common.h (flag_use_cxa_get_exception_ptr): New.
17422 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
17424 (C_COMMON_OVERRIDE_OPTIONS): New.
17426 2006-02-24 Roger Sayle <roger@eyesopen.com>
17428 PR middle-end/24952
17429 * combine.c (try_combine): Explicitly check whether GET_CODE is
17430 a SET or a CLOBBER, instead on checking that it isn't a USE.
17432 2006-02-24 Roger Sayle <roger@eyesopen.com>
17434 * fold-const.c (fold_comparison): New subroutine of fold_binary
17435 containing transformations common to both the equality and
17436 ordering relational operators, factored out of fold_binary.
17437 (fold_binary): Separate out the equality operators (EQ_EXPR
17438 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17439 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17440 transformations common to both.
17441 (fold_div_compare): Fix latent bugs in the previously unreachable
17442 LT_EXPR and GE_EXPR cases.
17444 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17446 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17447 decl libname for clog to __clog on AIX.
17449 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17451 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17454 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17455 output traceback table for thunks. Localise rs6000_stack_info call.
17457 2006-02-23 Roger Sayle <roger@eyesopen.com>
17458 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17460 * gthr-posix.h (__gthrw): Fix typo in comment.
17462 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17464 * doc/cpp.texi (Character sets): Document that we do support
17465 input files to be in any character set.
17467 2006-02-23 Jeff Law <law@redhat.com>
17469 * tree.h (PHI_ARG_NONZERO): Remove.
17470 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17471 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17472 node to the new node.
17474 PR tree-optimization/26425
17475 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17476 min/max, then assume its varying.
17478 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17480 PR rtl-optimization/26316
17481 * rtlanal.c (enum may_trap_p_flags): New.
17482 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17483 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17484 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17485 (may_trap_after_code_motion_p): New function.
17486 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17487 (find_invariant_insn): Use may_trap_after_code_motion_p.
17488 * rtl.h (may_trap_after_code_motion_p): Declare.
17490 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17492 * emit-rtl.c (immed_double_const): Cleanup.
17494 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17496 Fix PR tree-optimization/26376
17497 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17500 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17502 PR middle-end/26412
17503 * gimplify.c (omp_add_variable): Guard variable size decl test with
17504 DECL_SIZE (decl) check.
17506 2006-02-23 Richard Guenther <rguenther@suse.de>
17508 PR middle-end/26439
17509 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17510 like aggregate types.
17512 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17514 * configure.ac: Add --with{,out}-long-double-128 configure option.
17515 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17516 * configure: Rebuilt.
17517 * config.in: Rebuilt.
17518 * doc/install.texi (Options specification): Document
17519 --with-long-double-128.
17521 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17522 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17523 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17524 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17526 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17528 * config/s390/s390.c (override_options): Handle
17529 TARGET_DEFAULT_LONG_DOUBLE_128.
17531 * config/alpha/alpha.c (override_options): Handle
17532 TARGET_DEFAULT_LONG_DOUBLE_128.
17534 * config/sparc/sparc.c (sparc_override_options): Handle
17535 TARGET_DEFAULT_LONG_DOUBLE_128.
17537 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17539 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17540 (real-install-headers-tar, real-install-headers-cpio)
17541 (real-install-headers-cp): New targets.
17543 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17545 * tree.h (variable_section): Delete.
17546 * varasm.c (variable_section): Delete.
17548 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17550 * install.texi: Add notes on install.texi2html.
17551 (Building in parallel): Do not use footnotes.
17553 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17556 * doc/install.texi (Configuration): Document --disable-libgomp.
17558 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17560 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17562 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17564 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17565 (vec_extractv2df_0_sse): New.
17567 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17569 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17570 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17571 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17572 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17573 to the result of the expression.
17574 (def_cfa_1): Adjust.
17575 (frame_pointer_cfa_offset): Rename to...
17576 (frame_pointer_fb_offset): ... this. Adjust all uses.
17577 (convert_cfa_to_loc_list): Rename to...
17578 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17579 Pass it on to build_cfa_loc.
17580 (compute_frame_pointer_to_cfa_displacement): Rename to...
17581 (compute_frame_pointer_to_fb_displacement): ... this. New
17582 offset parameter. Use it in computation.
17583 (gen_subprogram_die): Compute cfa_fb_offset with the new
17584 macro, and use it to compute the fb loc list and the
17587 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17589 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17590 replaced with register_operand.
17591 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17592 non-DREG is expensive.
17593 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17594 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17597 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17599 * doc/install.texi2html: Use set -e.
17601 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17603 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17604 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17605 * doc/invoke.texi (-fshared-data): Delete.
17606 * common.opt (fshared-data): Delete.
17607 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17608 (assemble_static_space): Remove #if 0 code.
17609 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17610 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17611 * config/cris/cris.h: Remove FIXME.
17613 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17615 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17618 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17620 PR middle-end/26379
17621 * combine.c (simplify_shift_const_1): Disable nested shifts
17622 optimization for vector shifts.
17624 2006-02-20 Roger Sayle <roger@eyesopen.com>
17626 PR tree-optimization/26361
17627 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17628 of unsigned integer types.
17630 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17632 * tree-chrec.c (eq_evolutions_p): New.
17633 * tree-chrec.h (eq_evolutions_p): Declared.
17634 * tree-data-ref.c: Fix formatting.
17635 (datadep_stats, dependence_stats): New.
17637 (print_direction_vector): New.
17638 (dump_data_dependence_relation): Use print_direction_vector.
17639 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17640 (compute_subscript_distance): Static.
17641 (initialize_data_dependence_relation): Static. Get the number
17642 of loops surrounding the references from the callers, and initialize
17643 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
17644 base_object_differ_p analyzers.
17645 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
17646 compute_overlap_steps_for_affine_1_2,
17647 analyze_subscript_affine_affine): Count the classified dependences.
17648 Print a message when a test failed.
17649 (can_use_analyze_subscript_affine_affine): New.
17650 (analyze_siv_subscript): Compute the data dependences on symbolic
17651 scevs that verify can_use_analyze_subscript_affine_affine.
17652 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
17653 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
17654 Handle symbolic scevs.
17655 (analyze_overlapping_iterations): Let symbolic affine scevs to be
17657 (subscript_dependence_tester): Moved...
17658 (build_classic_dist_vector, build_classic_dir_vector): Don't use
17659 lambda_vector_clear on newly allocated vectors. Get nb_loops from
17660 DDR_SIZE_VECT instead of getting it in parameter.
17661 (subscript_dependence_tester): ... here. Take as a parameter
17662 loop_nest_depth. Call build_classic_dist_vector and
17663 build_classic_dir_vector.
17664 (compute_affine_dependence): Update subscript_dependence_tester
17665 parameters. Update datadep_stats counters. Call
17666 compute_subscript_distance.
17667 (compute_self_dependence): Save the dist and dir vectors. Call
17668 compute_subscript_distance.
17669 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
17670 (compute_all_dependences): Reorder parameters as they were before
17671 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
17672 compute_subscript_distance. Update the use of
17673 compute_affine_dependence and initialize_data_dependence_relation.
17674 (find_data_references_in_loop): Handle COMPONENT_REF.
17675 (compute_data_dependences_for_loop): Initialize dependence_stats.
17676 Don't call build_classic_dist_vector and build_classic_dir_vector.
17677 Update the parameters of initialize_data_dependence_relation and
17678 compute_all_dependences. Print the statistics from datadep_stats.
17679 (analyze_all_data_dependences): Static. Not used until the pass for
17680 checking the data dependences is contributed.
17681 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
17682 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
17683 (initialize_data_dependence_relation, compute_affine_dependence,
17684 analyze_all_data_dependences, compute_subscript_distance): Removed.
17685 (print_direction_vector): New.
17686 * lambda.h (gcd): ... here.
17687 (lambda_vector_gcd): Moved here from gcd_vector.
17688 * lambda-code.c (gcd, gcd_vector): Removed.
17689 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
17690 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
17692 2006-02-20 Diego Novillo <dnovillo@redhat.com>
17694 * ipa-type-escape.c: Tidy some comments and white space.
17695 * tree-ssa-operands.c: Likewise.
17697 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
17700 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
17701 (dump_decl_name): Do not walk the decl tree chains.
17702 * tree-pass.h (TDF_CHAIN): Remove.
17704 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17706 * Makefile.in (C): Remove
17708 (.PHONY): Remove C and PROTO
17710 2006-02-20 Roger Sayle <roger@eyesopen.com>
17712 PR middle-end/26236
17713 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
17714 deprecated CHAR_TYPE tree code.
17716 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17718 * configure.ac (target_list): Add install-info, dvi, html.
17719 * configure: Regenerate.
17721 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
17722 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
17723 treelang/Make-lang.in: Do not use double-colon rules.
17725 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
17727 * tree.h (struct tree_memory_tag): Add is_used_alone member.
17728 (TMT_USED_ALONE): New macro.
17729 * tree-pass.h (PROP_tmt_usage): New property.
17730 (TODO_update_tmt_usage): New todo.
17731 * tree-ssa-alias.c (updating_used_alone): New variable.
17732 (recalculate_used_alone): New function.
17733 (compute_may_aliases): Set updating_used_alone, call
17734 recalculate_used_alone.
17735 * tree-sra.c (pass_sra): Note that this pass destroys
17736 PROP_tmt_usage, and add TODO_update_tmt_usage.
17737 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
17738 * tree-flow.h (updating_used_alone): Prototype.
17739 (recalculate_used_alone): Ditto.
17740 * passes.c (execute_todo): Add code to set updating_used_alone,
17741 and call recalculate.
17742 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
17743 for clobber if used alone, and add assert to verify used_alone
17746 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
17748 * config/s390/s390.c (legitimize_pic_address): Assertions checking
17749 for non tls symbols added.
17750 (legitimize_address): Do nothing for PLUS expressions if one of the
17751 addends is a tls symbol reference.
17753 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17757 * Makefile.in (LDFLAGS): Define from autoconf substitution.
17759 * Makefile.in (BOOTSTRAPPING): New.
17760 (quickstrap): New definition if BOOTSTRAPPING=yes.
17762 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
17763 * configure.ac: Substitute all_selected_languages with the languages
17764 that were configured. For all the other variables except
17765 lang_specs_files, include all the languages in the tree.
17766 * configure: Regenerate.
17768 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
17769 if there is one. Run the commands to run fixincludes in the same
17772 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
17773 * doc/install.texi: Document exact conventions for searching target tools.
17774 Document --with-build-time-tools. Document toplevel bootstrap. Document
17775 something more about building an Ada cross-compiler. Don't list GNU Make
17776 requirements which affect all platforms.
17778 2006-02-19 Roger Sayle <roger@eyesopen.com>
17780 PR middle-end/19543
17781 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
17782 only equivalent if the have both the same mode and precision.
17784 2006-02-20 Ben Elliston <bje@au.ibm.com>
17786 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
17788 2006-02-19 Roger Sayle <roger@eyesopen.com>
17789 Steven Bosscher <stevenb.gcc@gmail.com>
17791 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
17792 constant pool references to identify stack mode constants.
17793 * rtlanal.c (constant_pool_constant_p): New predicate to check
17794 whether operand is a floating point constant in the pool.
17795 * rtl.h (constant_pool_constant_p): Prototype here.
17796 * loop.c (scan_loop): Avoid hoisting constants from the constant
17797 pool on STACK_REGS targets.
17798 (load_mems): Likewise.
17799 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
17800 loads into x87 registers expensive in terms of register pressure.
17802 2006-02-19 Roger Sayle <roger@eyesopen.com>
17804 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
17805 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
17807 2006-02-19 David Edelsohn <edelsohn@gnu.org>
17809 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17810 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
17812 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
17814 * doc/invoke.texi: Document -fipa-pta.
17815 * common.opt: Add ipa-pta option.
17816 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
17817 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
17818 (do_ds_constraint): Ditto.
17819 (get_constraint_for): Only add to referenced_vars if
17820 referenced_vars exists.
17821 (insert_into_field_list): Rewrite to do this unsorted.
17822 (insert_into_field_list_sorted): Rename old insert_into_field_list
17824 (create_function_info_for): Use insert_into_field_list_sorted.
17825 (create_variable_info_for): Rewrite so it uses unsorted version,
17826 since the field list is sorted.
17827 (intra_create_variable_infos): Only add to referenced_vars if
17828 referenced_vars exists.
17829 (ipa_pta_execute): Init heapvars, and delete when done.
17830 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
17832 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17834 * doc/install.texi: Add missing `@samp'.
17836 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17838 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
17841 2006-02-18 Mark Wielaard <mark@klomp.org>
17843 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
17844 who added new 4.1 features, bug fixes and integration support.
17846 2006-02-18 David Edelsohn <edelsohn@gnu.org>
17849 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
17850 MEM for ABI_V4 pic.
17852 2006-02-18 Richard Sandiford <richard@codesourcery.com>
17854 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
17855 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
17856 (copy_insn_1): Likewise. Don't copy each field individually.
17858 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
17860 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
17861 * rtl.c (rtx_size): Rename variable to...
17862 (rtx_code_size): ...this.
17863 (rtx_size): New function.
17864 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
17865 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
17867 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
17868 * rtl.h (rtx_code_size): New variable.
17869 (rtx_size): Change from a variable to a function.
17870 (RTX_SIZE): Rename to...
17871 (RTX_CODE_SIZE): ...this.
17874 PR tree-optimization/17106
17875 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
17876 (Anchored Addresses): New section.
17877 * doc/invoke.texi (-fsection-anchors): Document.
17878 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
17879 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
17880 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
17881 * hooks.c (hook_bool_mode_rtx_false): New function.
17882 * hooks.h (hook_bool_mode_rtx_false): Declare.
17883 * gengtype.c (create_optional_field): New function.
17884 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
17885 SYMBOL_REF_IN_BLOCK_P is true.
17886 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
17887 (min_anchor_offset, max_anchor_offset): Likewise.
17888 (use_anchors_for_symbol_p): New hook.
17889 * toplev.c (compile_file): Call output_object_blocks.
17890 (target_supports_section_anchors_p): New function.
17891 (process_options): Check that -fsection-anchors is only used on
17892 targets that support it and when -funit-at-a-time is in effect.
17893 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
17894 if the decl doesn't have one.
17895 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
17896 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
17897 of force_const_mem through use_anchored_address.
17898 (expand_expr_constant): New function.
17899 (expand_expr_addr_expr_1): Call it. Use the same modifier when
17900 calling expand_expr for INDIRECT_REF.
17901 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
17902 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
17903 * expr.h (use_anchored_address): Declare.
17904 * loop-unroll.c: Don't declare rtx vectors here.
17905 * explow.c: Include output.h.
17906 (validize_mem): Call use_anchored_address.
17907 (use_anchored_address): New function.
17908 * common.opt (-fsection-anchors): New switch.
17909 * varasm.c (object_block_htab, anchor_labelno): New variables.
17910 (hash_section, object_block_entry_eq, object_block_entry_hash)
17911 (use_object_blocks_p, get_block_for_section, create_block_symbol)
17912 (use_blocks_for_decl_p, change_symbol_section): New functions.
17913 (get_variable_section): New function, split out from assemble_variable.
17914 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
17915 use_blocks_for_decl_p say so. Use change_symbol_section if the
17916 symbol has already been created.
17917 (assemble_variable_contents): New function, split out from...
17918 (assemble_variable): ...here. Don't output any code for
17919 block symbols; just pass them to place_block_symbol.
17920 Use get_variable_section and assemble_variable_contents.
17921 (get_constant_alignment, get_constant_section, get_constant_size): New
17922 functions, split from output_constant_def_contents.
17923 (build_constant_desc): Create a block symbol if use_object_blocks_p
17924 says so. Or into SYMBOL_REF_FLAGS.
17925 (assemble_constant_contents): New function, split from...
17926 (output_constant_def_contents): ...here. Don't output any code
17927 for block symbols; just pass them to place_section_symbol.
17928 Use get_constant_section and get_constant_alignment.
17929 (force_const_mem): Create a block symbol if use_object_blocks_p and
17930 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
17931 (output_constant_pool_1): Add an explicit alignment argument.
17932 Don't switch sections here.
17933 (output_constant_pool): Adjust call to output_constant_pool_1.
17934 Switch sections here instead. Don't output anything for block symbols;
17935 just pass them to place_block_symbol.
17936 (init_varasm_once): Initialize object_block_htab.
17937 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
17938 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
17939 (place_block_symbol, get_section_anchor, output_object_block)
17940 (output_object_block_htab, output_object_blocks): New functions.
17941 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
17942 (TARGET_ASM_OUT): Include it.
17943 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
17944 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
17945 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
17946 (TARGET_INITIALIZER): Include them.
17947 * rtl.c (rtl_check_failed_block_symbol): New function.
17948 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
17949 (block_symbol, object_block): New structures.
17950 (rtx_def): Add a block_symbol field to the union.
17951 (BLOCK_SYMBOL_CHECK): New macro.
17952 (rtl_check_failed_block_symbol): Declare.
17953 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
17954 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
17955 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
17956 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
17957 * output.h (output_section_symbols): Declare.
17958 (object_block): Name structure.
17959 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
17960 (default_use_anchors_for_symbol_p): Declare.
17961 * Makefile.in (RTL_BASE_H): Add vec.h.
17962 (explow.o): Depend on output.h.
17963 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
17964 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
17965 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
17966 (rs6000_use_blocks_for_constant_p): New function.
17968 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17970 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
17972 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17975 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
17978 2006-02-18 Diego Novillo <dnovillo@redhat.com>
17980 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
17984 2006-02-18 Jakub Jelinek <jakub@redhat.com>
17986 PR middle-end/26334
17987 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
17988 instead of DECL_REGISTER.
17990 2006-02-18 Olivier Hainque <hainque@adacore.com>
17993 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
17995 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
17998 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
17999 * opth-gen.awk: Handle Var and InverseMask together.
18000 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
18001 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
18002 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
18003 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
18005 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18006 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18007 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
18008 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18009 LINUX_DYNAMIC_LINKER): Define.
18010 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
18011 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
18013 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18014 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
18015 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18016 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18017 (TARGET_C99_FUNCTIONS): Don't define.
18018 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
18019 GLIBC_DYNAMIC_LINKER.
18020 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
18021 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
18022 GLIBC_DYNAMIC_LINKER64): Define.
18023 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18024 LINUX_DYNAMIC_LINKER64.
18025 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18026 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18027 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
18028 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18029 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18030 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18031 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
18032 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
18033 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
18034 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
18035 and LINUX_DYNAMIC_LINKER32.
18036 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18037 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18038 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
18039 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18040 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
18042 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
18043 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
18044 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18045 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18046 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18047 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
18048 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
18049 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
18050 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18051 LINUX_DYNAMIC_LINKER): Define.
18052 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
18053 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
18054 GLIBC_DYNAMIC_LINKER64): Define.
18055 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18056 LINUX_DYNAMIC_LINKER64.
18057 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18058 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18059 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
18060 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18061 LINUX_DYNAMIC_LINKER): Define.
18062 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18063 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18064 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
18065 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
18066 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
18067 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18068 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
18069 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
18070 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18071 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18072 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18073 * doc/invoke.texi (-muclibc): Remove caveat about supported
18076 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
18078 * doc/cpp.texi (__TIMESTAMP__): Document.
18080 2006-02-17 Roger Sayle <roger@eyesopen.com>
18082 PR middle-end/25600
18083 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
18084 C is one less than the width of X (and related transformations).
18085 * simplify-rtx.c (simplify_unary_operation_1): Transform
18086 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
18087 depending on STORE_FLAG_VALUE, were C is one less then the
18090 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
18092 Fix PR tree-optimization/26341
18093 * tree-ssa-operands.c (add_virtual_operand): Remove assert
18094 about NAME_MEMORY_TAG's.
18096 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18099 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
18100 with hardware float support, and software float support. Add fcpy
18101 alternative to hardware patterns. Add alternatives to copy between
18102 general and floating-point registers to the 32-bit pattern.
18103 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
18104 secondary reload to load a QI or HI mode constant into a floating
18106 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
18107 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
18109 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
18112 * config/rs6000/darwin.md (load_macho_picbase_si): Add
18114 (load_macho_picbase_di): Likewise.
18116 2006-02-16 Jeff Law <law@redhat.com>
18118 * tree-vrp.c (set_value_range_to_nonnegative): New function.
18119 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
18120 (ssa_name_nonzero_p): Likewise.
18121 (get_value_range): Return NULL if VRP is not running.
18122 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
18123 VRP routines do not discover a range.
18124 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
18125 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
18126 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
18127 (tree_expr_nonnegative_p): Similarly.
18128 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
18129 (restore_nonzero_vars_to_original_value): Remove.
18130 (unsafe_associative_fp_binop): Remove.
18131 (tree_ssa_dominator_optimize): Remove initialization and
18132 finalization of nonzero_vars and nonzero_vars_stack.
18133 (dom_opt_initialize_block): No longer push marker on
18134 nonzero_vars_stack.
18135 (dom_opt_finalize_block): No longer call
18136 restore_nonzero_vars_to_original_value.
18137 (record_equivalences_from_phis): No longer look for
18138 nonzero PHI arguments.
18139 (cprop_into_successor_phis): No longer propagate nonzero
18140 property into PHI arguments. Lose unused argument. Caller
18142 (record_equivalences_from_stmt): No longer record nonzero
18143 values for SSA_NAMEs.
18144 (lookup_avail_expr): No longer use nonzero_vars.
18146 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
18147 for sizetype when sizetype is unsigned.
18149 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
18151 PR rtl-optimization/25603
18152 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18153 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18154 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18155 with new meaning of SETS.
18157 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
18162 * config/linux.opt: New file.
18163 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18164 LINUX_DYNAMIC_LINKER): Define.
18165 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18166 * config.gcc (*-*-linux*): Define extra_options.
18167 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
18168 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18169 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18170 GLIBC_DYNAMIC_LINKER.
18171 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18172 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18173 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18174 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18175 * doc/invoke.texi (GNU/Linux Options): New section.
18177 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
18179 * config/sparc/sparc.md (setjmp): Rewrite.
18180 (setjmp_32): Delete.
18181 (setjmp_64): Likewise.
18183 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
18185 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18188 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18190 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18193 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18195 PR rtl-optimization/26296
18196 * Makefile.in (loop-invariant.c): Add except.h dependency.
18197 * loop-invariant.c: Include except.h.
18198 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18200 2005-02-16 Paul Brook <paul@codesourcery.com>
18202 * reload1.c (emit_reload_insns): Invalidate dead input registers used
18205 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
18207 PR rtl-optimization/25636
18208 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18209 when deciding whether an insn is an initializing insn.
18211 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
18213 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18214 (tree_code_size): Ditto.
18215 * tree.h (struct tree_memory_tag): Remove parent_var.
18216 (struct tree_struct_field_tag): New.
18219 (union tree_node): Add sft member.
18220 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18222 (create_sft): Add size and offset argument, set SFT_OFFSET and
18224 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18225 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18226 * tree-flow-inline.h (get_subvar_at): Update for
18227 SFT_OFFSET/SFT_SIZE.
18228 (var_can_have_subvars): Ditto.
18229 (overlap_subvar): Ditto.
18230 * print-tree.c (print_node): Print out interesting things for
18232 * tree-flow.h (struct subvar): Remove offset and size members.
18233 * tree-ssa-operands.c (get_expr_operands): Update for
18234 get_indirect_ref_operands changes.
18235 (get_indirect_ref_operands): Call add_virtual_operand instead of
18236 add_stmt_operand. Only recurse on base var if requested.
18237 (access_can_touch_variable): New function.
18238 (add_stmt_operand): Split virtual operand handling into ...
18239 (add_virtual_operand): Here. Add offset, size, and for_clobber
18240 arguments. Prune alias sets.
18241 (add_call_clobber_ops): Call add_virtual_operand.
18243 2006-02-15 Jakub Jelinek <jakub@redhat.com>
18245 PR middle-end/26300
18246 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18248 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18249 than TREE_CODE as index into omp_clause_num_ops array.
18251 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
18253 PR rtl-optimization/26184
18254 * modulo-sched.c (generate_reg_moves): Free bitmap vector
18256 * modulo-sched.c (sms_schedule): Free g_arr pointer.
18257 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18258 must_precede, must_follow and tobe_scheduled.
18261 * opts.c (common_handle_option): Free new_option pointer.
18262 * df-core.c (df_analyze): Free postorder pointer.
18264 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18266 * Makefile.in: Fix the examples about the use of stamps
18268 2006-02-15 Michael Matz <matz@suse.de>
18270 PR middle-end/22275
18272 * stor-layout.c (layout_decl): Zero-width bitfields aren't
18273 influenced by maximum_field_alignment or DECL_PACKED.
18274 (update_alignment_for_field): Ditto.
18275 (place_field): Ditto.
18276 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18279 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
18281 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
18282 (debug_flow_info): Pass it.
18283 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
18284 * bb-reorder.c (reorder_basic_blocks): Likewise.
18285 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
18286 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
18287 * flow.c (life_analysis, recompute_reg_usage): Likewise.
18288 * gcse.c (gcse_main, bypass_jumps): Likewise.
18289 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
18290 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
18291 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
18292 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
18293 * rtl.h (dump_flow_info): Adjust prototype.
18294 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
18295 * var-tracking.c (variable_tracking_main): Likewise.
18296 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
18297 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
18300 2006-02-15 Marcin Dalecki <martin@dalecki.de>
18302 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18305 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18307 PR tree-optimization/26209
18308 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
18309 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
18311 * tree-cfg.c (replace_uses_by): Do not alter cfg.
18313 2006-02-14 Roger Sayle <roger@eyesopen.com>
18315 PR middle-end/23670
18316 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
18317 (X,Y) and the corresponding symmetry related transformations.
18318 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
18319 (X,Y) and its symmetry related transformations.
18321 2006-02-14 Roger Sayle <roger@eyesopen.com>
18323 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
18326 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
18328 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18330 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18333 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
18334 support COMDAT group.
18335 * configure: Regenerate.
18337 2006-02-14 Roger Sayle <roger@eyesopen.com>
18339 PR middle-end/26279
18340 PR middle-end/26280
18341 PR middle-end/26283
18342 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
18344 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
18346 Fix PR tree-optimization/26260
18348 * doc/invoke.texi (max-fields-for-field-sensitive): Document
18350 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
18351 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
18352 * tree-ssa-structalias.c (create_variable_info_for): Use
18353 MAX_FIELDS_FOR_FIELD_SENSITIVE.
18355 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18357 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
18359 * tree-ssa-loop-niter.c (number_of_iterations_ne,
18360 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
18361 of the ending condition.
18362 * tree-ssa-loop-manip.c: Include params.h.
18363 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
18364 tree_unroll_loop): New functions.
18365 * tree-pass.h (pass_loop_prefetch): Declare.
18366 * loop.c (rest_of_handle_loop_optimize): Test for
18367 -fprefetch-loop-arrays-rtl.
18368 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
18369 * timevar.def (TV_TREE_PREFETCH): New timevar.
18370 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
18371 pass_loop_prefetch): New.
18372 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
18373 (cleanup_tree_cfg_loop): Call scev_reset.
18374 * common.opt (fprefetch-loop-arrays-rtl): Add.
18375 * tree-ssa-loop-prefetch.c: New file.
18376 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
18377 (new_temp_expr_table): Initialize expr_vars.
18378 (free_temp_expr_table): Cleanup expr_vars.
18379 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
18380 expressions from being merged into one.
18381 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
18382 (struct tree_niter_desc): Add control, bound and cmp fields.
18383 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
18385 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
18386 (tree-cfgcleanup.o): Add SCEV_H dependency.
18387 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
18388 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
18390 2006-02-14 Richard Guenther <rguenther@suse.de>
18392 PR tree-optimization/26258
18393 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
18394 in PHI argument processing.
18396 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
18398 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
18399 new expression in the requested machine mode.
18401 2006-02-13 Roger Sayle <roger@eyesopen.com>
18403 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
18404 directly, instead let do_compare_rtx_and_jump handle this for us.
18405 * expr.c (expand_expr_real_1): Likewise.
18406 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
18407 before do_jump_by_parts_greater.
18408 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
18409 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
18411 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18413 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
18415 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18417 PR rtl-optimization/26235
18418 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
18419 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
18422 2006-02-13 Jeff Law <law@redhat.com>
18424 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18427 2006-02-13 Jakub Jelinek <jakub@redhat.com>
18429 PR middle-end/26092
18430 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18431 twice if decl is a builtin. When trying again, call get_callee_fndecl
18432 first to verify it is still a builtin.
18434 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18436 * dwarf2out.c (base_type_die): Don't add AT_name here.
18437 (subrange_type_die): Don't add AT_name here.
18438 (modified_type_die): Rearrange code flow. Do add AT_name here.
18440 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18442 PR rtl-optimization/26247
18443 PR rtl-optimization/26248
18444 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18446 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18448 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18449 * config/fixtfdi.c: Likewise.
18450 * config/fixunstfdi.c: Likewise.
18451 * config/floatditf.c: Likewise.
18453 2006-02-13 Roger Sayle <roger@eyesopen.com>
18455 PR middle-end/24427
18456 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18457 into (X,C2) if C1 is a subset of the bits of C2. Transform
18458 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18460 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18462 2006-02-13 Josh Conner <jconner@apple.com>
18465 * varasm.c (function_section): Check for section name before
18466 calling select_section on targets that define
18467 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18468 unlikely_text_section instead of hot_function_section if
18469 first_function_block_is_cold.
18471 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18473 PR middle-end/25335
18474 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18476 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18478 PR rtl-optimization/26222
18479 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18480 after tree->rtl expansion.
18481 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18482 before passing it to emit_move_insn.
18484 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18486 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18488 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18489 Clarify documentation.
18490 * c-common.h (warn_write_strings): Remove.
18491 * c-common.c (warn_write_strings): Likewise.
18492 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18495 2006-02-12 Roger Sayle <roger@eyesopen.com>
18497 PR middle-end/25724
18498 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18499 (do_jump_parts_zero_rtx): New function renamed from
18500 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18501 (do_jump_parts_equality_rtx): New function split out from
18502 do_jump_parts_equality. Old implementation renamed as above.
18503 Call do_jump_parts_zero_rtx if either operand is zero.
18504 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18505 do all of the heavy lifting.
18506 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18507 calling either do_jump_by_parts_greater_rtx or
18508 do_jump_by_parts_equality_rtx.
18509 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18510 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18511 moved to do_compare_rtx_and_jump, call it directly.
18512 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18513 mode argument. Call do_compare_rtx_and_jump.
18514 (emit_case_nodes): Update calls to do_jump_if_equal.
18516 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18518 PR rtl-optimization/26225
18519 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18521 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18523 PR rtl-optimization/26232
18524 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18526 2006-02-11 Jason Merrill <jason@redhat.com>
18529 * tree-inline.c (declare_return_variable): Just don't use the
18530 modify target if it's a gimple complex reg and the return slot
18533 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18535 * doc/contrib.texi: Update my entry.
18537 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18539 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18541 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18543 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18546 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18548 * doc/invoke.texi (-floop-optimize2): Removed.
18549 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18550 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18551 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18552 * common.opt (floop-optimize2): Removed.
18553 (fmove-loop-invariants): Enabled by default.
18555 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18557 * tree-if-conv.c (combine_blocks): Free the result of
18558 get_loop_exit_edges.
18560 2006-02-10 Jeff Law <law@redhat.com>
18562 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18564 PR tree-optimization/26213
18565 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18566 loop trying to follow SSA_NAME_VALUE chains.
18568 2006-02-10 Richard Guenther <rguenther@suse.de>
18570 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18571 deal with structures that end in implicitly variable sized arrays.
18573 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18575 PR rtl-optimization/24762
18576 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18579 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18581 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18582 (struct ivopts_data): Add regs_used field.
18583 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18584 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18585 instead of loop_data->regs_used;
18586 (free_loop_data): Do not free aux fields for loops.
18587 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18588 and tree_ssa_iv_optimize_finalize.
18590 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18592 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18594 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18597 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18598 computing the effective result type.
18600 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18602 PR inline-asm/16194
18603 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18604 (tree_overlaps_hard_reg_set): Declare.
18605 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18606 type and signature to match function type expected by walk_tree.
18607 (tree_overlaps_hard_reg_set): New function.
18608 (decl_conflicts_with_clobbers_p): Rename to:
18609 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18610 Use tree_overlaps_hard_reg_set. Changed caller.
18611 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18612 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18613 * cris.c (cris_md_asm_clobbers): Likewise.
18615 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18617 * reload1.c (emit_input_reload_insns): Delete code that tries to
18618 inherit using find_equiv_reg.
18620 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18622 * c-common.h (flag_const_strings): Don't declare.
18623 * c-common.c (flag_const_strings): Remove.
18624 * c.opt (fconst_strings): Remove.
18625 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18626 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18627 (c_common_init_options): Don't set flag_const_strings.
18628 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18630 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18632 * arm.md (tlobits_cbranch): New pattern.
18633 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18634 testing a single bit.
18636 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18639 * tree-ssa-pre.c (create_component_ref_by_pieces):
18640 Handle RETURN_DECL like VAR_DECL.
18642 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18644 PR middle-end/26134
18645 * fold-const.c (fold_indirect_ref_1): Fold
18646 "*(foo *)&complexfoo" to "__real__ complexfoo"
18647 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
18649 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18651 * tree-flow-inline.h (var_can_have_subvars):
18652 Volatile variables should not have subvariables.
18654 2006-02-09 Diego Novillo <dnovillo@redhat.com>
18657 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18658 multiplying unsigned values.
18661 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
18663 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
18665 2006-02-08 Jason Merrill <jason@redhat.com>
18668 * tree.def: Elaborate on difference from MODIFY_EXPR.
18669 * doc/c-tree.texi (INIT_EXPR): Likewise.
18670 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
18671 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
18672 (gimplify_target_expr): Likewise.
18673 (gimplify_cond_expr): Remove target handling.
18674 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
18675 (gimplify_expr): Clobber it here.
18676 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
18677 Do return slot optimization if we have an INIT_EXPR.
18680 * tree-inline.c (declare_return_variable): Also clear
18681 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
18684 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
18686 PR middle-end/22439
18687 * gimplify.c (gimplify_one_sizepos): Fix typo.
18689 2006-02-08 Jeff Law <law@redhat.com>
18691 PR tree-optimization/21417
18692 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
18693 across a backedge if the control statement at the end of the
18694 block is data dependent on other statements in the same block.
18695 (record_temporary_equivalences_from_stmts): Remove over-conservative
18696 test for threading across backedges.
18698 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
18699 control statement, handle all three special cases in the same
18700 manner as they all have the same desired solution. No longer
18701 special case edge flag updating when the post dominator is
18704 2006-02-08 Roger Sayle <roger@eyesopen.com>
18706 * tree.def (CHAR_TYPE): Remove.
18707 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
18708 * dwarf2out.c (base_type_die, is_base_type): Likewise.
18709 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
18710 (gen_string_type_die): Delete unreachable function.
18712 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
18713 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
18714 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
18715 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
18716 * builtins.c (type_to_class): Likewise.
18717 * fold-const.c (fold_convert, build_range_check,
18718 merge_ranges): Likewise.
18719 * expr.c (count_type_elements): Likewise.
18720 * c-pretty-print.c (pp_c_type_specifier): Likewise.
18721 * stor-layout.c (layout_type): Likewise.
18722 * ipa-type-escape.c (type_to_consider): Likewise.
18723 * gimplify.c (omp_firstprivatize_type_sizes,
18724 gimplify_type_sizes): Likewise.
18725 * explow.c (promote_mode): Likewise.
18726 * tree-sra.c (is_sra_scalar_type): Likewise.
18727 * varasm.c (output_constant): Likewise.
18728 * tree-inline.c (remap_type_1): Likewise.
18729 * convert.c (convert_to_pointer, convert_to_real,
18730 convert_to_integer, convert_to_complex): Likewise.
18732 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
18734 * df-scan.c (df_def_record_1): A set destination may
18735 be a parallel regardless of mode.
18737 2006-02-08 Roger Sayle <roger@eyesopen.com>
18740 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
18741 * config/mips/_tilib.c: Remove.
18742 * config/fixtfdi.c: New libgcc source file.
18743 * config/fixunstfdi.c: New source file.
18744 * config/floatditf.c: New source file.
18745 * config/floatunditf.c: New souce file.
18746 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
18747 files above instead of config/mips/_tilib.c.
18748 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
18750 2006-02-08 Jeff Law <law@redhat.com>
18752 PR tree-optimization/26169
18753 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
18756 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
18758 * df.h (DF_REG_SIZE): Return the length of the initialized
18761 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
18763 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
18764 __muldf3): Return a correctly signed zero.
18766 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
18768 * passes.c (register_one_dump_file): Accept the current properties
18769 instead of pass number. Adjust call to dump_register. Remove
18771 (register_dump_files): Now a wrapper around...
18772 (register_dump_files_1): ... this one. Do not modify the pass
18774 (next_pass_1): Cosmetic fix.
18775 (execute_todo): Keep second parameter only. Use curr_properties
18776 instead of fetching it from the pass structure. Check and set
18778 (execute_one_pass): Handle TODO_set_props. Use curr_properties
18779 instead of fetching it from the pass structure. Fix calls to
18780 execute_todo. Update curr_properties and initialize .vcg RTL dump
18781 after running the pass. Reset last_verified.
18782 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
18784 (FIRST_AUTO_NUMBERED_DUMP): New.
18785 (dump_register): Remove "num" parameter, assign it within the
18787 (get_dump_file_name): Modify template for dumps.
18788 * tree-dump.h (dump_register): Adjust prototype.
18789 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
18790 (PROP_trees): Add PROP_gimple_lomp.
18791 (TODO_set_props): New.
18792 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
18793 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
18794 * cfgexpand.c (pass_expand): Destroy PROP_trees.
18796 2006-02-08 Jakub Jelinek <jakub@redhat.com>
18798 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
18799 (sparc64-*-linux*): Likewise.
18800 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
18801 * config/sparc/t-linux: New file.
18802 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
18803 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
18804 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
18805 -m32 -mlong-double-128.
18807 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
18808 * config/alpha/t-linux: New file.
18809 * config/alpha/libgcc-alpha-ldbl.ver: New file.
18811 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
18812 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
18813 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
18814 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
18815 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
18816 (CPP_ARCH32_SPEC): Remove.
18818 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
18820 PR tree-optimization/26145
18821 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
18824 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18827 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
18828 >= 240000 when generating code for SOM runtime.
18829 (output_indirect_call): Don't use "b,l" instruction for indirect calls
18830 to $$dyncall when generating code for SOM runtime..
18832 2006-02-07 Dirk Mueller <dmueller@suse.com>
18835 * doc/invoke.texi (-Wsequence-point): Update documentation
18836 that -Wsequence-point is implemented for C++ as well.
18838 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18840 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
18841 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
18842 (LIB_SPEC): Likewise.
18843 * doc/invoke.texi (SPARC options): Document -pthread.
18845 2006-02-07 Geoffrey Keating <geoffk@apple.com>
18847 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
18850 2006-02-07 Roger Sayle <roger@eyesopen.com>
18852 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
18853 Correct comment describing BOOLEAN_TYPE.
18855 2006-02-07 Dirk Mueller <dmueller@suse.com>
18857 * c.opt: C++ frontend supports -Wdiv-by-zero.
18858 * c-opts.c (c_common_handle_option): Remove dead case.
18860 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18862 * configure.ac (TLS assembler check): Do not enable TLS by
18863 default on SPARC/Solaris before version 10.
18864 * configure: Regenerate.
18866 2006-02-07 David Edelsohn <edelsohn@gnu.org>
18868 * doc/invoke.texi (xl-compat): Document conversion and support
18871 2006-02-07 Jeff Law <law@redhat.com>
18873 * tree-vrp.c (find_conditional_asserts): Update comments.
18874 (simplify_stmt_for_jump_threading): New.
18875 (identify_jump_threads, finalize_jump_threads): New.
18876 (vrp_finalize): Call identify_jump_threads.
18877 (execute_vrp): Call finalize_jump_threads.
18878 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
18879 (vrp_element, vrp_data, vrp_element_p): Remove.
18880 (vrp_hash_elt, vrp_variables_stack): Remove.
18881 (vrp_hash, vrp_eq, record_range): Remove.
18882 (simplify_cond_and_lookup_avail_expr): Remove.
18883 (extract_range_from_cond): Remove.
18884 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
18885 (simplify_stmt_for_jump_threading): New.
18886 (dom_thread_across_edge): New wrapper.
18887 (tree_ssa_dominator_optimize): No longer initialize or
18888 finalize any of the VRP datastructures. Remove iteration
18889 step and simplify as a result of removal of iteration step.
18890 (pass_dominator): Perform a cfg cleanup after DOM.
18891 (dom_opt_finalize_block): Use the new common routines
18892 for threading jumps. Simplify stack management slightly.
18893 No longer need to unwind VRP state.
18894 (record_equivalences_from_incoming_edge): No longer record
18896 (eliminate_redundant_computations): No longer call
18897 simplify_cond_and_lookup_avail_expr.
18898 * tree-flow.h (potentially_threadable_block): Prototype.
18899 (thread_across_edge): Likewise.
18900 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
18901 (tree-ssa-threadedge.o): Add dependencies.
18902 * tree-ssa-threadedge.c: New file.
18903 * passes.c (init_optimization_passes): Merge PHIs before
18904 calling VRP. Run VRP again late in the SSA optimization pipeline.
18906 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18908 * df-core.c (df_set_blocks): Do not dereference function pointers.
18909 (df_finish1): Likewise.
18910 (df_hybrid_search_forward): Likewise.
18911 (df_hybrid_search_backward): Likewise.
18912 (df_iterative_dataflow): Likewise.
18913 (df_analyze_problem): Likewise.
18914 (df_compact_blocks): Likewise.
18915 (df_dump): Likewise.
18916 * df-scan.c (df_rescan_blocks): Likewise.
18917 (df_record_entry_block_defs): Likewise.
18919 * genconditions.c (write_conditions): Guard the definition of
18920 'insn_conditions' with the check on GCC version.
18921 (write_writer): Guard the traversal 'insn_conditions' with
18922 the check on GCC version.
18924 2006-02-07 Richard Guenther <rguenther@suse.de>
18928 2006-01-30 Richard Guenther <rguenther@suse.de>
18930 * gimplify.c (gimplify_target_expr): Handle easy cases
18931 without creating a temporary.
18933 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
18935 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
18936 use of float in probability computations. Use edge probabilities
18937 in place of statically computed probabilities.
18938 (min_spec_prob): New static variable.
18939 (schedule_insns): Initialize it.
18940 (GET_SRC_PROB): Removed.
18941 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
18943 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
18946 * config/ia64/unwind-ia64.c: Revert last change.
18947 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
18948 (INCOMING_FRAME_SP_OFFSET): Define.
18950 2006-02-06 Roger Sayle <roger@eyesopen.com>
18952 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
18954 2006-02-07 Ben Elliston <bje@au.ibm.com>
18956 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
18957 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
18958 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
18959 (ix86_return_in_memory): Handle TDmode.
18960 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
18961 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
18963 2006-02-06 Richard Sandiford <richard@codesourcery.com>
18965 * reorg.c (dbr_schedule): Use dump_file instead of file.
18967 2006-02-06 Steve Ellcey <sje@cup.hp.com>
18970 * config/ia64/predicates.md (extr_len_operand): New predicate.
18971 * config/ia64/ia64.md (extv): Tighten constraints.
18973 (*tbit_and_2): Ditto.
18974 (*tbit_and_3): Ditto.
18975 (*tbit_or_2): Ditto.
18976 (*tbit_or_3): Ditto.
18977 (*bit_zero): Ditto.
18980 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
18983 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
18985 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
18987 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
18988 loop_optimizer_init and loop_optimizer_finalize
18989 * tree-ssa-sink.c (execute_sink_code): Ditto.
18990 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
18991 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
18992 tree_ssa_loop_done): Ditto.
18993 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
18994 * sched-ebb.c: Include output.h.
18995 (schedule_ebbs): Do not use dump argument.
18996 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
18997 * loop.c (loop_dump_stream): Removed.
18998 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
19000 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
19001 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
19002 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
19003 loop_iterations, strength_reduce, record_biv, record_giv,
19004 final_giv_value, check_final_value, check_ext_dependent_givs,
19005 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
19006 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
19007 dump_file instead of loop_dump_stream.
19008 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
19009 argument dump_file.
19010 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
19012 * flow.c (life_analysis, rest_of_handle_life): Ditto.
19013 * haifa-sched.c: Include output.h
19014 (schedule_insns, sched_init): Do not use dump argument.
19015 * mode-switching.c (optimize_mode_switching): Ditto.
19016 * modulo-sched.c (stats_file): Removed.
19017 (print_node_sched_params): Do not call argument dump_file.
19018 (sms_schedule_by_order, loop_canon_p, sms_schedule,
19019 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
19021 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
19023 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
19024 rtl_loop_init, rtl_loop_done): Ditto.
19025 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
19026 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
19028 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
19029 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
19030 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
19031 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
19032 * emit-rtl.c (renumber_insns): Ditto.
19033 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
19034 expand_gimple_basic_block, tree_expand_cfg): Ditto.
19035 * regclass.c (regclass): Ditto.
19036 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
19037 remove_ssa_form, rewrite_out_of_ssa): Ditto.
19038 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
19039 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
19041 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
19042 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
19044 * gcse.c (gcse_file, debug_stderr): Removed.
19045 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
19046 rest_of_handle_gcse): Do not use dump argument.
19047 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
19048 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
19049 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
19050 compute_code_hoist_vbeinout, compute_code_hoist_data,
19051 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
19052 compute_store_table, build_store_vectors, insert_insn_start_bb,
19053 insert_store, remove_reachable_equiv_notes, replace_store_insn,
19054 store_motion): Use dump_file instead of gcse_file.
19055 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
19056 * profile.c (profile_dump_file): Removed.
19057 (branch_prob): Use dump_file instead of profile_dump_file.
19058 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
19060 * tree-ssa-copy.c (dump_copy_of): Ditto.
19061 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
19062 dump file to life_analysis.
19063 * bt-load.c (branch_target_load_optimize): Ditto.
19064 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
19066 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
19067 regclass, dbr_schedule): Declaration changed.
19068 * sched-int.h (sched_init): Declaration changed.
19069 * tree-profile.c (tree_profile_dump_file): Removed.
19070 (tree_profile_hooks): Removed profile_dump_file hook.
19071 * rtl-profile (rtl_profile_dump_file): Removed.
19072 (rtl_profile_hooks): emoved profile_dump_file hook.
19073 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
19075 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
19076 * tree-cfg.c (build_tree_cfg): Ditto.
19077 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
19078 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
19079 Declaration changed.
19080 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
19081 life_analysis and schedule_insns.
19082 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
19084 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
19086 * config/mips/mips.c (mips_reorg): Ditto.
19087 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
19090 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
19092 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19093 (s390_mangle_fundamental_type): New.
19094 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19097 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19098 (alpha_mangle_fundamental_type): New.
19099 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19102 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19104 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19106 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19107 (sparc_mangle_fundamental_type): New.
19109 2006-02-06 Jakub Jelinek <jakub@redhat.com>
19111 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
19112 (s390x-*-linux*): Likewise.
19113 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
19114 * config/s390/t-linux: New file.
19116 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19118 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
19119 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
19121 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
19123 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
19124 (ANTIC_SAFE_LOADS): New macro.
19125 (find_or_generate_expression): Add prototype.
19126 (set_contains_value): Allow null set for sake of not always having
19127 to allocate ANTIC_SAFE_LOADS.
19128 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
19129 Allow COMPONENT_REF too.
19130 (valid_in_set): Allow COMPONENT_REF.
19131 Check ANTIC_SAFE_LOADS too.
19132 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
19133 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
19135 (can_PRE_operation): Add COMPONENT_REF.
19136 (create_component_ref_by_pieces): New function.
19137 (create_expression_by_pieces): Use create_component_ref_by_pieces.
19138 (insert_aux): Move AGGREGATE_TYPE_P check here.
19139 (compute_avail): Set bb local stmt uids.
19140 (pass_pre): Use TODO_update_ssa_only_virtuals.
19142 2006-02-06 Ben Elliston <bje@au.ibm.com>
19144 * configure.ac: Unconditionally disable decimal float by default.
19145 * configure: Regenerate.
19147 2006-02-06 Ben Elliston <bje@au.ibm.com>
19149 * read-rtl.c (read_name): Terminate reading on EOF.
19151 2006-02-06 Ben Elliston <bje@au.ibm.com>
19153 * dfp.c (decimal_real_arithmetic): Change second argument type
19154 from int to enum tree_code. Do not always return true, but now
19155 return result of any call to decimal_do helper functions.
19156 * dfp.h (decimal_real_arithmetic): Update prototype.
19158 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
19160 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19162 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
19165 * tree-cfg.c (cleanup_dead_labels): Also don't remove
19168 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19170 * tree-vrp.c (cfg_loops): Removed.
19171 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19172 Use current_loops instead of cfg_loops. Pass flags to
19173 loop_optimizer_init.
19174 * cfgloopmanip.c (fix_loop_structure): Update only available
19176 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19177 loop_optimizer_init.
19178 * modulo-sched.c (build_loops_structure): Removed.
19179 (sms_schedule): Use loop_optimizer_init.
19180 * loop-init.c (loop_optimizer_init): Use flags to determine
19181 which properties of loops to prepare.
19182 (rtl_loop_init): Pass flags to loop_optimizer_init.
19183 * tree-ssa-sink.c (execute_sink_code): Ditto.
19184 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19185 * tree-ssa-pre.c (init_pre): Ditto.
19186 * cfgloop.h (LOOPS_NORMAL): New.
19187 (loop_optimizer_init): Declaration changed.
19189 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19191 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19192 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19194 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19196 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19198 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19199 * pa/t-pa64: Delete quadlib.c rule.
19200 * pa/x-ada: Revert last change.
19201 * pa/t-pa: Revert last change. Delete quadlib.c rule.
19203 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19205 PR rtl-optimization/26087
19206 * rtlanal.c (canonicalize_condition): Do not cross basic block
19209 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
19212 * config/ia64/ia64.c: Include debug.h.
19213 (MAX_ARTIFICIAL_LABEL_BYTES): New.
19214 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19215 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19216 (process_epilogue, process_set, process_for_unwind_directive):
19217 Output unwind info only if requested. Add CFA info if requested.
19218 Add new arguments as needed. Adjust callers.
19219 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19221 (DWARF2_FRAME_INFO): Define to zero.
19222 * config/ia64/unwind-ia64.c: Remove code that compensated for
19223 the CFA offset error fixed above.
19224 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19225 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19226 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19227 -funwind-tables and -fexceptions to enable frame info.
19228 (dwarf2out_frame_init): Define initial CFA even if
19229 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
19230 DWARF2_UNWIND_INFO is nonzero, not just defined.
19231 (dwarf2out_frame_finish): Output non-EH call frame info only
19232 if DWARF2_FRAME_INFO is nonzero.
19233 (convert_cfa_to_loc_list,
19234 compute_frame_pointer_to_cfa_displacement): Define even if
19235 unwind info is not supported.
19236 (gen_subprogram_die): Use the above unconditionally. Remove
19237 legacy alternate code.
19238 * toplev.c (compile_file): Compile in call to
19239 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19240 (lang_dependent_init): Ditto for dwarf2out_frame_init.
19242 2006-02-04 David Edelsohn <edelsohn@gnu.org>
19243 Jakub Jelinek <jakub@redhat.com>
19245 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19246 IBM extended float format long double as "g" on powerpc*-linux.
19248 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19251 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19252 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19254 2006-02-03 Jason Merrill <jason@redhat.com>
19257 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19259 PR middle-end/25977
19260 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19261 on the return slot if it's an NRV.
19263 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
19265 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19266 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19267 rewrite_use): Do not handle USE_OUTER.
19268 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19269 add_iv_outer_candidates, may_replace_final_value,
19270 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19271 (find_interesting_uses_op): Functionality of
19272 find_interesting_uses_outer_or_nonlin moved here.
19273 (find_interesting_uses_outside): Use find_interesting_uses_op.
19275 2006-02-03 Alan Modra <amodra@bigpond.net.au>
19278 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
19280 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
19281 Ulrich Weigand <uweigand@de.ibm.com>
19284 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
19285 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
19286 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
19287 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
19289 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
19290 (s390_rtx_costs): Use the new fields to calculate rtx costs.
19291 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
19292 Define secondary reloads for TFmode moves.
19293 (constant_modes): Add TFmode.
19294 (NR_C_MODES): Set to 8.
19295 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
19297 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
19298 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
19299 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
19300 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
19301 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
19302 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
19303 (FPR mode macro): Add TFmode.
19304 (DSF mode macro): New.
19305 (<de>, <dee> mode attributes): Removed.
19306 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
19307 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
19308 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
19309 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
19310 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
19311 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
19312 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
19313 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
19314 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
19315 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
19316 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
19317 "*negabs<mode>2", "sqrt<mode>2"):
19318 Changed <de> to <xde>. R constraint replaced by <Rf>.
19319 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
19321 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
19322 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
19323 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
19325 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
19326 "extenddftf2", "extendsftf2"): New expanders.
19327 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
19328 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
19329 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
19330 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
19332 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
19333 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
19334 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
19335 __floatditf): Add a GCC_4.1.0 symbol version tag.
19336 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
19339 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
19342 * config/i386/i386.c (ix86_function_ok_for_sibcall):
19343 Use targetm.binds_local_p instead of TREE_PUBLIC.
19345 2006-02-02 Roger Sayle <roger@eyesopen.com>
19347 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
19348 on INTEGER_TYPEs to indicate that it denotes a character type.
19349 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
19350 signed_char_type_node, unsigned_char_type_node and char_type_node.
19351 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
19352 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
19353 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
19355 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
19356 Daniel Berlin <dberlin@dberlin.org>
19358 * tree-tailcall.c (arg_needs_copy_p): New function.
19359 (eliminate_tail_call): Use arg_needs_copy_p.
19360 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
19361 (add_virtual_phis): New function.
19363 2006-02-02 Jakub Jelinek <jakub@redhat.com>
19365 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
19366 #ignore instead of #scratch for %g7 .register directive.
19368 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
19370 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
19373 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19375 * flow.c (calculate_global_regs_live): Assert that there aren't any
19378 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
19380 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
19381 what its name says.
19382 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
19383 bsi_after_labels iterator.
19384 * tree-if-conv.c (find_phi_replacement_condition,
19385 replace_phi_with_cond_modify_expr): Likewise.
19386 * tree-scalar-evolution.c (scev_const_prop): Likewise.
19387 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
19389 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19391 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
19393 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19396 * tree-cfg.c (move_block_to_fn): Clear out the basic block
19397 array after growing it.
19399 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19401 PR middle-end/24901
19402 * fold-const.c (fold_checksum_tree): Change type of buf.
19404 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
19406 * reload.c (push_secondary_reload): Initialize t_icode.
19408 2006-02-01 Jakub Jelinek <jakub@redhat.com>
19410 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
19411 -msoft-float -mlong-double-128 only issue a warning, but don't
19412 swich to DFmode long double.
19414 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
19416 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
19417 has a constant equivalent, iterate over equivalents for arg0,
19418 calling simplify_relational_operation and if there's a result
19419 cheaper than X, apply fold_rtx and return the result.
19421 2006-02-01 Jan Hubicka <jh@suse.cz>
19423 * opts.c (no_unit_at_a_time_default): New global variable.
19424 (decode_options): Use it.
19425 * opts.h (no_unit_at_a_time_default): Declare.
19427 2006-02-01 Paul Brook <paul@codesourcery.com>
19429 * function.c (assign_parm_setup_reg): Use function argument promotion
19431 * expr.c (expand_expr_real_1): Use function argument promotion rules
19434 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19436 * gcc.c (process_command): Change j to 'unsigned int'.
19438 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19440 PR middle-end/26001
19441 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19442 Use the corrected index for the character
19443 out of the string constant.
19445 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19447 * mode-switching.c (optimize_mode_switching): Fix size
19448 allocated for bb_info[n_entities].
19450 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19452 * gcc.c (main): Correct type that is allocated for
19453 explicit_link_files.
19455 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19457 * config/s390/s390.c (init_alignment_context): Set
19458 ALIAS_SET_MEMORY_BARRIER on the MEM.
19459 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19461 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19463 PR middle-end/25933
19464 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19466 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19469 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19471 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19472 * regrename.c: Ditto.
19473 * tree-ssa-loop-im.c: Ditto.
19474 * tree-dump.c: Ditto.
19475 * tree-complex.c: Ditto.
19476 * genrecog.c: Ditto.
19477 * tree-ssa-threadupdate.c: Ditto.
19479 * java/class.c: Ditto.
19480 * java/jcf-parse.c: Ditto.
19481 * java/resource.c: Ditto.
19482 * java/except.c: Ditto.
19483 * java/jvspec.c: Ditto.
19484 * java/jcf-write.c: Ditto.
19485 * java/jcf-path.c: Ditto.
19486 * java/gjavah.c: Ditto.
19487 * java/zextract.c: Ditto.
19488 * java/jcf-io.c: Ditto.
19489 * java/jcf.h: Ditto.
19490 * java/buffer.c: Ditto.
19491 * java/lang.c: Ditto.
19492 * java/parse-scan.y: Ditto.
19493 * java/lex.c: Ditto.
19494 * java/lex.h: Ditto.
19495 * cfgloopmanip.c: Ditto.
19496 * postreload-gcse.c: Ditto.
19497 * tree-ssa-loop-manip.c: Ditto.
19498 * postreload.c: Ditto.
19499 * tree-ssa-loop-ch.c: Ditto.
19502 * cppspec.c: Ditto.
19503 * diagnostic.c: Ditto.
19505 * genoutput.c: Ditto.
19507 * cfghooks.c: Ditto.
19508 * cfgloopanal.c: Ditto.
19509 * objc/objc-act.c: Ditto.
19511 * genextract.c: Ditto.
19512 * genautomata.c: Ditto.
19513 * pretty-print.c: Ditto.
19514 * genemit.c: Ditto.
19515 * cgraphunit.c: Ditto.
19517 * df-scan.c: Ditto.
19518 * haifa-sched.c: Ditto.
19519 * dominance.c: Ditto.
19521 * tree-ssa-loop-ivopts.c: Ditto.
19522 * df-core.c: Ditto.
19523 * mode-switching.c: Ditto.
19524 * modulo-sched.c: Ditto.
19526 * ipa-pure-const.c: Ditto.
19528 * fix-header.c: Ditto.
19530 * tree-stdarg.c: Ditto.
19531 * ipa-utils.c: Ditto.
19532 * loop-init.c: Ditto.
19533 * ipa-inline.c: Ditto.
19534 * cfganal.c: Ditto.
19536 * alloc-pool.c: Ditto.
19537 * dwarf2out.c: Ditto.
19539 * genattrtab.c: Ditto.
19540 * tree-ssa-loop-ivcanon.c: Ditto.
19541 * predict.c: Ditto.
19542 * timevar.c: Ditto.
19544 * fortran/gfortranspec.c: Ditto.
19545 * regmove.c: Ditto.
19546 * local-alloc.c: Ditto.
19547 * langhooks.c: Ditto.
19548 * function.c: Ditto.
19549 * tree-vectorizer.c: Ditto.
19551 * ipa-type-escape.c: Ditto.
19553 * tree-if-conv.c: Ditto.
19554 * profile.c: Ditto.
19556 * tree-data-ref.c: Ditto.
19557 * loop-unroll.c: Ditto.
19558 * treelang/treetree.c: Ditto.
19560 * bt-load.c: Ditto.
19561 * ggc-common.c: Ditto.
19563 * coverage.c: Ditto.
19565 * tree-cfgcleanup.c: Ditto.
19566 * tree-ssa-pre.c: Ditto.
19567 * cfgcleanup.c: Ditto.
19568 * loop-invariant.c: Ditto.
19569 * loop-iv.c: Ditto.
19570 * ipa-prop.c: Ditto.
19571 * print-tree.c: Ditto.
19572 * conflict.c: Ditto.
19573 * ggc-page.c: Ditto.
19574 * sched-deps.c: Ditto.
19575 * regclass.c: Ditto.
19576 * tree-object-size.c: Ditto.
19577 * combine.c: Ditto.
19578 * bb-reorder.c: Ditto.
19579 * resource.c: Ditto.
19580 * var-tracking.c: Ditto.
19581 * cfgloop.c: Ditto.
19582 * df-problems.c: Ditto.
19583 * reg-stack.c: Ditto.
19585 * gccspec.c: Ditto.
19586 * sched-rgn.c: Ditto.
19587 * tree-ssa-structalias.c: Ditto.
19588 * tree-ssa-reassoc.c: Ditto.
19589 * config/darwin-c.c: Ditto.
19590 * config/darwin.c: Ditto.
19591 * config/arm/arm.c: Ditto.
19593 * collect2.c: Ditto.
19594 * reload1.c: Ditto.
19596 2006-01-31 Nicolas Pitre <nico@cam.org>
19598 * arm.md (smaxsi3): Make aware of smax_m1.
19601 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19603 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19605 2006-01-31 Richard Guenther <rguenther@suse.de>
19607 * doc/invoke.texi (-msselibm): Document.
19608 * target.h (expand_library_builtin): New target hook.
19609 * builtins.c (expand_builtin): Use expand_library_builtin.
19610 (default_expand_library_builtin): New function.
19611 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19612 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19613 (link_gcc_math_spec): Declare.
19614 (static_specs): Add link_gcc_math_spec.
19615 * expr.h (default_expand_library_builtin): Declare.
19616 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19617 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19618 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19619 * config/i386/i386.opt (msselibm): New target option.
19620 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19621 (ix86_init_sse_abi_builtins): New function.
19622 (ix86_expand_library_builtin): Likewise.
19623 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19624 (override_options): Handle error conditions wrt -msselibm.
19625 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19626 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19627 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19630 2006-01-31 Richard Guenther <rguenther@suse.de>
19631 Paolo Bonzini <bonzini@gnu.org>
19633 * doc/install.texi (--disable-libgcc-math): Document.
19635 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19637 * expr.h (expand_normal): new inline function.
19638 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19639 * dojump.c: use it.
19640 * dwarf2out.c: use it.
19643 * expmed.c: use it.
19644 * except.c: use it.
19645 * config/sparc/sparc.c: use it.
19646 * config/i386/i386.c: use it.
19647 * config/rs6000/rs6000.c: use it.
19648 * config/arm/arm.c: use it.
19649 * config/mips/mips.c: use it.
19650 * stmt.c: use it, use EXPAND_NORMAL explicitely.
19652 2006-01-30 Roger Sayle <roger@eyesopen.com>
19654 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
19655 argv to the appropriate type.
19657 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
19659 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
19662 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
19665 * config/s390/s390.c (struct machine_function): New flag
19666 decomposed_literal_pool_addresses_ok_p.
19667 (s390_reorg): Set it before final stage of literal pool transforms.
19668 (s390_decompose_address): Only accept displacements of the form
19669 (minus (label_ref ...) (label_ref ...)) if that flag is set.
19671 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
19673 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
19674 the comparison routine return.
19676 2006-01-30 Michael Matz <matz@suse.de>
19678 * global.c (find_reg): Only evict for global regs.
19679 Take n_refs into account and dump more info.
19681 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
19684 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
19685 (pragma_trap, pragma_nosave_low_regs): Likewise.
19686 (current_function_anonymous_args): Likewise.
19687 (sh_deferred_function_attributes): New variable.
19688 (sh_deferred_function_attributes_tail): Likewise.
19689 (print_operand): For '@', look up trap_exit attribute.
19690 (calc_live_regs): Look up trapa_handler attribute. For trapa
19691 handlers, save/restore fpscr, but don't do any other
19692 interrupt-specific saves.
19693 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
19694 Fix check for partially saved registers to check for SHmedia.
19695 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
19696 (sh_output_function_epilogue): Don't clear any of the removed
19698 (sh_insert_attributes): Don't check pragma_interrupt.
19699 Insert deferred attributes. Check that interrupt attribute is
19700 present for other attributes that require its presence.
19701 (sh_attribute_table): Add new attributes trapa_handler and
19703 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
19704 Don't check for pragma_interrupt. Don't store argument.
19705 * sh.h (pragma_interrupt, sp_switch): Don't declare.
19706 (sh_deferred_function_attributes): Declare.
19707 (sh_deferred_function_attributes_tail): Likewise.
19708 * sh.md (sp_switch_1): Add operand. Change generator caller.
19709 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
19710 (*return_i): Don't use when trap_exit attribute is in effect.
19711 (*return_trapa): New insn pattern.
19712 * sh-c.c: New file.
19713 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
19714 setting c_target_objs and cxx_target_objs.
19715 * t-sh: Add rule for sh-c.o.
19717 2006-01-30 Richard Guenther <rguenther@suse.de>
19720 * gimplify.c (gimplify_target_expr): Handle easy cases
19721 without creating a temporary.
19723 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
19725 * vec.h (safe_grow): Remove duplicated line.
19727 2006-01-29 Diego Novillo <dnovillo@redhat.com>
19730 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
19731 (expand_omp): ... here.
19732 (expand_omp_parallel): Only remove barriers for combined
19733 parallel+workshare constructs.
19735 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
19739 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
19740 * tree.c (build_qualified_type): Chain the new type to the original
19741 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
19742 a POINTER_TYPE or a REFERENCE_TYPE respectively.
19743 (build_pointer_type_for_mode): Only return unqualified types.
19744 (build_reference_type_for_mode): Likewise.
19746 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
19748 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
19749 * Makefile.in (CXX_COMPAT_WARN): Define.
19750 * configure: Regenerate.
19752 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
19755 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
19758 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19760 * toplev.c: Fix thinko.
19762 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19763 Marcin Dalecki <martin@dalecki.de>
19765 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
19766 (push_srcloc): Use XNEW.
19767 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
19769 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
19771 * df-core.c (df_set_blocks): Deleted all variable.
19773 2006-01-28 Ian Lance Taylor <ian@airs.com>
19775 * cgraphunit.c (cgraph_assemble_pending_functions): Call
19776 cgraph_output_pending_asms.
19778 2006-01-28 Zack Weinberg <zackw@panix.com>
19780 * c.opt: Add -W(no-)overlength-strings.
19781 * doc/invoke.texi: Document it.
19782 * c-opts.c (c_common_handle_option): -pedantic implies
19783 -Woverlength-strings, if not explicitly disabled already.
19784 (c_common_post_options): -Woverlength-strings defaults to off, and
19785 is always off for C++.
19786 * c-common.c (fix_string_type): Issue warning about strings longer
19787 than is portable only if warn_overlength_strings. Rearrange code
19788 a little for clarity.
19789 * configure.in: Check for -Wno-overlength-strings as well before
19790 enabling -pedantic in stage 1.
19791 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
19792 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
19794 * genconditions.c (write_header, write_one_condition)
19795 (write_conditions, write_writer): Consolidate very long strings
19796 that were broken up to fit in C89 portable limit. Don't use
19797 printf when fputs will do.
19799 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
19801 * combine.c (simplify_comparison <AND>): Check
19802 TRULY_NOOP_TRUNCATION before start using a subreg.
19804 * config/mips/mips.md (*branch_zero<mode>,
19805 *branch_zero<mode>_inverted, *branch_equality<mode>,
19806 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
19807 Remove mode check from comparisons.
19809 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
19811 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
19813 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19815 * expmed.c (const_mult_add_overflow_p): Remove.
19816 * expr.h: Remove the prototype for const_mult_add_overflow_p.
19818 * recog.c (validate_replace_rtx_subexp): Remove.
19819 * recog.h: Remove the prototype for
19820 validate_replace_rtx_subexp.
19822 * integrate.h: Remove the prototype for
19823 copy_decl_for_inlining.
19824 * rtl.h: Remove the prototype for mark_constant_function.
19825 * tree-vectorizer.h: Remove the prototype for
19826 vect_strip_conversion.
19828 * modulo-sched.c (create_partial_schedule,
19829 free_partial_schedule, reset_partial_schedule): Make them
19832 * hooks.c (hook_bool_rtx_int_false): Remove.
19833 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
19835 2006-01-28 David Edelsohn <edelsohn@gnu.org>
19837 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19838 and -mlong-double-128 are incompatible.
19839 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
19840 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
19841 (TARGET_LIBGCC2_CFLAGS): Define.
19842 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
19843 (TARGET_LIBGCC2_CFLAGS): Same.
19844 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
19846 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19849 * c-typeck.c (build_binary_op): Perform implicit casts of
19850 operands before shortening them.
19852 * cfgloopmanip.c (split_loop_bb): Remove.
19853 * cfgloop.h: Remove the prototype for split_loop_bb.
19855 * cfgloop.c (flow_loop_outside_edge_p): Remove.
19856 * cfgloop.h: Remove the prototype for
19857 flow_loop_outside_edge_p.
19859 * emit-rtl.c (init_virtual_regs): Make it static.
19860 * function.h: Remove the prototype for init_virtual_regs.
19862 * recog.c (peephole2_optimize): Make it static.
19863 * recog.h: Remove the prototype for peephole2_optimize.
19865 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19867 * df-scan.c (df_record_entry_block_defs): Check if
19868 INCOMING_RETURN_ADDR_RTX is defined.
19870 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
19871 Kenneth Zadeck <zadeck@naturalbridge.com>
19873 PR rtl-optimization/24762
19874 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19875 * targhooks.c (hook_void_bitmap): New hook prototype.
19876 * targhoohs.h (hook_void_bitmap): Ditto.
19877 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
19878 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
19879 * target.h (live_on_entry): New function pointer.
19880 * df-scan.c (df_all_hard_regs): Removed.
19881 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
19882 (df_scan_free_internal): Added df->entry_block_defs.
19883 (df_scan_alloc): Ditto.
19884 (df_scan_dump): Ditto.
19885 (df_uses_record): Plumbed flag field properly thru calls.
19886 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
19887 This part fixes PR24762.
19888 (df_bb_refs_record): Added code to make the frame and arg
19889 pointers live in EH blocks.
19890 (df_refs_record): Added call to df_record_entry_block_defs.
19891 (df_record_entry_block_defs): New function.
19892 * df-core.c: Added comments to describe new artifical defs.
19893 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
19894 (entry_block_defs): New field in struct df.
19895 (df_all_hard_regs): Deleted.
19896 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
19897 * df-problems.c (df_ru_bb_local_compute_process_def):
19898 Added code to handle artifical defs in the entry to a function.
19899 (df_ru_bb_local_compute): Ditto.
19900 (df_rd_bb_local_compute_process_def): Ditto.
19901 (df_rd_bb_local_compute): Ditto.
19902 (df_lr_bb_local_compute): Ditto.
19903 (df_ur_bb_local_compute): Ditto.
19904 (df_urec_bb_local_compute): Ditto.
19905 (df_chain_create_bb): Ditto.
19906 (df_ur_local_finalize): Removed entry.
19907 (df_urec_init): Ditto.
19908 (df_urec_local_finalize): Ditto.
19909 (df_ri_bb_compute): Added detection of last use of pseudos.
19910 * Makefile.in (df-scan.o): Updated dependencies.
19911 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
19912 * config/mips/mips.c (mips_set_live_on_entry): Added.
19913 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
19915 * dce.c (marked_insn_p): Added code to handle artifical defs.
19917 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19919 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
19921 (_mm_cvtsi128_si64): Likewise.
19922 (_mm_cvtsd_si64): Likewise.
19923 (_mm_cvttsd_si64): Likewise.
19924 (_mm_cvtsi64_sd): Likewise.
19925 (_mm_cvtsi64_si128): Likewise.
19926 * config/i386/mmintrin.h (_m_from_int64): Likewise.
19927 (_mm_cvtsi64_m64): Likewise.
19928 (_m_to_int64): Likewise.
19929 (_mm_cvtm64_si64): Likewise.
19930 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
19931 (_mm_cvttss_si64): Likewise.
19932 (_mm_cvtsi64_ss): Likewise.
19933 (_mm_cvtss_f32): Likewise.
19935 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
19937 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
19938 for pragma redefine_extname.
19940 2006-01-27 Jakub Jelinek <jakub@redhat.com>
19943 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
19944 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
19945 -mno-minimal-toc to previous content.
19946 (bispecs): Remove goal.
19947 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
19948 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
19949 compatibility aliases on powerpc-*-*gnu*.
19950 * config/rs6000/libgcc-ppc-glibc.ver: New file.
19951 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
19952 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
19953 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
19954 (ldblspecs): New goal.
19955 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
19956 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
19958 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
19959 L_sf_to_tf or L_df_to_tf is defined.
19961 2006-01-27 David Edelsohn <edelsohn@gnu.org>
19962 Alan Modra <amodra@bigpond.net.au>
19965 * config/rs6000/linux.h (POWERPC_LINUX): Define.
19966 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
19967 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
19968 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
19969 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
19970 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
19971 (rs6000_override_options): Initialize rs6000_ieeequad.
19972 Initialize TFmode format to ibm_extended_format if not
19974 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
19976 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
19977 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
19978 (function_arg_advance): IBM long double passed in two FPRs, not
19980 (function_arg): IBM long double passed in FPRs.
19981 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
19982 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
19983 Only multireg GPR aligned.
19984 (rs6000_init_libfuncs): Enable IBM long double functions if not
19986 (rs6000_generate_compare): Use IBM long double compare if not
19988 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
19989 (TARGET_IEEEQUAD): Define.
19990 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
19991 not TARGET_IEEEQUAD.
19992 * config/rs6000/rs6000.md: Enable TFmode patterns if
19994 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
19995 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19996 and -mlong-double-128 are incompatible.
19997 * doc/invoke.texi (-mabi): Collect options together. Add
19998 ibmlongdouble and ieeelongdouble.
20000 2006-01-27 Richard Sandiford <richard@codesourcery.com>
20002 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
20004 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
20005 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
20006 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
20007 * rtl.h (rtunion_def): Remove rt_ptr.
20009 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
20010 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
20011 * config/i386/winnt.c (i386_pe_mark_dllexport)
20012 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
20014 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
20016 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
20018 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20022 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
20023 pthread_key_delete. From John David Anglin. gthrw-ify
20024 pthread_getunique_np only if it it's not a macro. Delete
20026 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
20027 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
20028 __gthread_objc_condition_signal, __gthread_key_delete): Add
20029 "__attribute__ ((__unused__))" to unused arguments.
20030 (__gthread_recursive_mutex_init_function): Add missing return.
20031 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
20032 gthr-posix95.h: Use macro-based approach for name redirection
20033 on targets missing weakref.
20035 2006-01-26 Zack Weinberg <zackw@panix.com>
20037 * genconditions.c (write_header): In generated code, #ifdef out
20038 all includes and fake declarations, except includes of bconfig.h
20039 and system.h, unless GCC_VERSION >= 3001. Do not include
20040 gensupport.h in any case.
20041 (write_conditions): Generate a definition of struct c_test. Add
20042 a comment to the generated #endif.
20043 (write_one_condition): Escape backslashes in string too.
20044 (write_writer): Generated code must escape backslashes and quote
20045 marks (but not newlines) in the strings it writes.
20046 * Makefile.in (build/gencondmd.o): Update dependencies.
20048 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20051 * Makefile.in (insn-automata.o): Add header file dependencies.
20052 * genautomata.c: Add includes.
20054 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20057 * Makefile.in (insn-automata.o): Add -Wno-error flag.
20059 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20061 * configure.ac: Expect target tools paths to be passed from the toplevel
20062 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
20064 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
20066 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20069 * c.opt (Wpointer-sign): Init to -1.
20070 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
20071 OPT_pedantic, to 0 otherwise.
20072 * doc/invoke.texi: Update.
20074 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20076 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
20077 constants provided by 80387 instructions in the destination mode.
20079 2006-01-26 Richard Guenther <rguenther@suse.de>
20080 Andrew Pinski <pinskia@physics.uc.edu>
20083 partial PR tree-opt/17064
20084 * tree-ssa-structalias.c (intra_create_variable_infos):
20085 Create heap variables for incoming parameters if
20086 flag_argument_noalias > 1.
20087 (find_what_p_points_to): Look through default defs of
20090 2006-01-26 Jeff Law <law@redhat.com>
20093 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
20094 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
20095 within the VR_RANGE, use the VR_RANGE as the result, not the
20097 (adjust_range_with_scev): Reject ranges from SCEV which are out of
20098 bounds for the type.
20100 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
20102 * tree-ssa-alias.c (maybe_create_global_var): Change
20103 subvar walking to an assertion that we don't have subvar'd variables.
20105 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
20108 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
20109 Use a new variable, inner. PARM_DECLs are always non-weak.
20111 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
20113 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
20114 --disable-checking.
20116 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
20118 * config/mips/mips.md (*clear_upper32): New combiner pattern.
20120 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
20122 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
20123 (smax_insn, smin_insn, smax_0, smin_0): New.
20125 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
20128 * config/cris/cris.c (cris_order_for_addsi3): New function.
20129 * config/cris/cris-protos.h: Prototype it.
20130 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
20131 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
20132 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
20133 (split for "op.S1 [rx=rx+i],ry (swapped)")
20134 (split for "op(s|u).S1 [rx=rx+i],ry")
20135 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
20136 Apply cris_order_for_addsi3 when generating addsi3 insns.
20138 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20140 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
20141 (TREE_BLOCK): Add call to EXPR_CHECK.
20143 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20146 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
20147 * tree-pretty-print.c (dump_omp_clause): Extract from ...
20148 (dump_omp_clauses): ... here.
20149 (dump_generic_node): Handle OMP_CLAUSE.
20150 * tree.c (omp_clause_num_ops): New.
20151 (omp_clause_code_name): New.
20152 (tree_code_size): Handle OMP_CLAUSE.
20153 (tree_size): Likewise.
20154 (make_node): Document handling of OMP_CLAUSE.
20155 (tree_node_structure): Handle OMP_CLAUSE.
20156 (omp_clause_check_failed): New.
20157 (omp_clause_range_check_failed): New.
20158 (omp_clause_operand_check_failed): New.
20159 (build_omp_clause): New.
20160 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20161 * tree.h (enum omp_clause_code): Declare.
20162 (OMP_CLAUSE_SUBCODE_CHECK): Define.
20163 (OMP_CLAUSE_RANGE_CHECK): Define.
20164 (OMP_CLAUSE_ELT_CHECK): Define.
20165 (omp_clause_check_failed): Declare.
20166 (omp_clause_operand_check_failed): Declare.
20167 (omp_clause_range_check_failed): Declare.
20168 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20169 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20170 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20171 (OMP_CLAUSE_LASTPRIVATE): Likewise.
20172 (OMP_CLAUSE_IF_EXPR): Likewise.
20173 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20174 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20175 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
20176 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
20177 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20178 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20179 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20180 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20181 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
20182 (OMP_CLAUSE_CODE): Define.
20183 (OMP_CLAUSE_SET_CODE): Define.
20184 (OMP_CLAUSE_CODE): Define.
20185 (OMP_CLAUSE_OPERAND): Define.
20186 (struct tree_omp_clause): Declare.
20187 (union tree_node): Add field 'omp_clause'.
20188 * treestruct.def (TS_OMP_CLAUSE): Define.
20189 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20190 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20191 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20192 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20193 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20194 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20195 (OMP_CLAUSE): Define.
20196 * print-tree.c (print_node): Handle OMP_CLAUSE.
20197 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20198 * c-typeck.c: Likewise.
20199 * gimplify.c: Likewise.
20200 * c-omp.c: Likewise.
20201 * tree-nested.c: Likewise.
20202 * tree-inline.c: Likewise.
20203 * c-parser.c: Likewise.
20204 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20207 2006-01-25 Roger Sayle <roger@eyesopen.com>
20209 PR rtl-optimization/25703
20210 * combine.c (try_combine): Handle zero_extract and strict_low_part
20211 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20213 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
20215 * global.c: Fix comment typos.
20217 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
20220 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20221 Use output_addr_const instead of assemble_name.
20223 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
20225 * Makefile.in (sched-vis.o): Update dependencies.
20226 * haifa-sched.c (sched_finish): Clear current_sched_info.
20227 * cfg.c (dump_bb_info): New, split from dump_flow_info.
20228 (dump_flow_info): Call it.
20229 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20231 * basic-block.h (dump_bb_info): Declare.
20232 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20233 option, and apply options only for dump files whose TDF_RTL,
20234 TDF_TREE, or TDF_IPA bits match.
20235 * rtl.h: Declare new functions exported from sched-vis.c.
20236 * sched-vis.c: Enable also if scheduling is not used.
20237 (print_value): Print the mode of registers if not inside scheduling.
20238 (print_insn): Make it work outside the scheduler. Beautify the output
20240 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20242 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20244 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20245 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20246 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20247 depending on the value of CONSTANT_POOL_ADDRESS_P.
20248 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20250 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20251 rather than SYMBOL_REF_DECL.
20252 (rtx_constant_pool): Remove const_rtx_sym_htab.
20253 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20254 (init_varasm_status): Don't initialize const_rtx_sym_htab.
20255 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20256 Remove handling of const_rtx_sym_htab.
20257 (find_pool_constant): Delete.
20258 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20259 rather than find_pool_constant.
20260 (get_pool_constant_for_function): Delete.
20261 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20262 find_pool_constant.
20263 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20264 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20265 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20266 (SYMBOL_REF_CONSTANT): New macro.
20267 (get_pool_constant_for_function): Delete.
20268 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20269 rather than SYMBOL_REF_DECL.
20270 (i386_pe_mark_dllimport): Likewise.
20271 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20272 rather than SYMBOL_REF_DECL.
20273 * config/darwin.c (machopic_indirect_data_reference): Likewise.
20274 (machopic_indirect_call_target): Likewise.
20276 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
20278 * flow.c (delete_noop_moves): Add missing EOL to dump message.
20280 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20282 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
20284 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
20286 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
20288 2006-01-24 David Daney <ddaney@avtrex.com>
20291 * configure.ac (enable_tls): New enable option.
20292 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
20293 * configure: Regenerate.
20294 * doc/install.texi (--enable-tls): Document new option.
20295 (--disable-tls): Ditto.
20297 2006-01-24 Richard Henderson <rth@redehat.com>
20299 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
20300 * alias.c (true_dependence): Respect it.
20301 (canon_true_dependence, write_dependence_p): Likewise.
20302 * builtins.c (get_builtin_sync_mem): Set it.
20304 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
20306 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
20309 2006-01-24 DJ Delorie <dj@redhat.com>
20311 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
20312 for storing constants in single-bit bitfields.
20314 2006-01-25 Ben Elliston <bje@au.ibm.com>
20316 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
20318 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
20321 * tree-ssa-pre.c (phi_translate): Return NULL
20322 for AGGREGATE_TYPE's.
20324 2006-01-24 Zack Weinberg <zackw@panix.com>
20326 * genautomata.c (process_state_for_insn_equiv_partition):
20327 Use xcalloc for insn_arcs_array.
20328 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
20329 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
20331 2006-01-24 Richard Henderson <rth@redhat.com>
20333 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
20334 update all callers.
20336 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
20338 PR rtl-optimization/25890
20339 PR rtl-optimization/25905
20340 * combine.c (expand_compound_operation, expand_field_assignment):
20341 Fail if the bitfield's final position is out of bounds.
20343 2006-01-24 Ian Lance Taylor <ian@airs.com>
20345 PR middle-end/25930
20346 * cgraphunit.c (cgraph_output_in_order): Don't clear
20347 cgraph_asm_nodes until after asm strings have been output.
20349 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
20351 * fix-header.c (read_scan_file): Add new parameter imultilib when
20352 calling register_include_chains.
20354 2006-01-23 Diego Novillo <dnovillo@redhat.com>
20356 * omp-low.c: Update documentation.
20358 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20359 Daniel Berlin <dberlin@dberlin.org>
20363 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
20364 return from the function.
20366 2006-01-22 Zack Weinberg <zackw@panix.com>
20368 * rtl.def (match_code): Add second argument.
20369 * genpreds.c (write_extract_subexp): New function.
20370 (write_match_code): Add path argument. Use write_extract_subexp.
20371 (write_predicate_expr): Pass path to write_match_code.
20372 (mark_mode_tests): MATCH_CODE applied to a subexpression does
20373 not perform a mode test.
20374 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
20375 a subexpression does not constrain the top-level code set.
20376 * read-rtl.c (read_rtx_variadic): New function.
20377 (read_rtx_1): Use it; allow AND and IOR to be variadic.
20378 * doc/md.texi: Document new notation.
20379 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
20380 (cmpsi_operand): ... here, using new notation.
20382 2006-01-22 Zack Weinberg <zackw@panix.com>
20384 * varray.c: Remove GENERATOR_FILE #ifdefs.
20386 2006-01-22 Zack Weinberg <zackw@panix.com>
20388 * genautomata.c (output_reserved_units_table): Emit nothing if
20389 description->query_units_num is zero. Remove extra blank line.
20390 (output_cpu_unit_reservation_p): Short circuit
20391 if description->query_units_num is zero.
20393 2006-01-22 Zack Weinberg <zackw@panix.com>
20395 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
20396 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
20397 nor any of the random handful of variables that used to be necessary
20398 when this program was linked with rtlanal.o. Prune set of forward
20399 function declarations.
20400 (struct attr_desc): Remove static_p field.
20401 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
20402 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
20403 (attr_string): Do not read the character one past the length of
20405 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
20406 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
20407 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
20408 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
20409 (make_automaton_attrs): New.
20410 (main): Do not call into genautomata. Call local gen_bypass
20411 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
20412 Remove special case for insn_alts.
20413 * genautomata.c: Include gensupport.h; not genattrtab.h nor
20414 varray.h (leftover from previous change). Prune set of forward
20415 function declarations. Remove state_alts fields from all
20416 structures. Remove state_alts_table from struct automaton.
20417 Make everything except main static. Do not maintain num_dfa_decls.
20418 Do not maintain state_alts fields of various structures.
20419 (process_decls): Don't validate condexp for dm_insn_reserv decls.
20420 (add_arc): Remove state_alts argument. All callers updated.
20421 (output_reserved_units_table): Emit #ifdef here...
20422 (output_tables): ...not here. Don't generate state_alts tables.
20423 (expand_automata): Don't generate attributes.
20424 (write_automata): Don't generate state_alts functions.
20425 (main): New function.
20426 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
20427 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
20428 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
20429 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20430 (BYPASS_P_FUNC_NAME, output_state_alts_table)
20431 (output_automata_list_state_alts_code, output_internal_state_alts_func)
20432 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20433 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20435 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20436 * genattrtab.h: Delete file.
20437 * Makefile.in (OBJS-common): Add insn-automata.o.
20438 (insn-automata.o): New rule.
20439 (simple_generated_c): Add insn-automata.c.
20440 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20441 (genprogmd): Add automata.
20442 (build/genattrtab): Needs no extra objects nor libraries.
20443 (build/genautomata): Needs build/vec.o and -lm.
20445 2006-01-22 Zack Weinberg <zackw@panix.com>
20447 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20448 (output_dfa_max_issue_rate, locked_states_num): Delete.
20449 (struct automaton): Add locked_states field.
20450 (output_dead_lock_vect): Save number of locked states in
20451 automaton->locked_states. If it is zero, don't print anything.
20452 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20453 (output_internal_dead_lock_func): Only test the dead_lock_vect
20454 for automata that have locked states.
20455 (output_statistics): Always print the number of locked states for
20456 each automaton. Calculate total number of locked states here.
20457 (write_automata): Don't call output_dfa_max_issue_rate.
20458 * genattrtab.c: Define length_unit_log as a const variable.
20459 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20460 max_insn_queue_index const.
20461 * final.c (length_unit_log): Declare const.
20462 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20464 2006-01-22 Zack Weinberg <zackw@panix.com>
20466 * genautomata.c: Include vec.h, not varray.h.
20467 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20468 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20469 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20470 VEC_* macros operating on appropriately typed vectors, or to
20471 malloced arrays when the size is known in advance. Const-ify
20472 many char* variables and function arguments. No functional changes.
20473 * Makefile.in (build/varray.o): Delete rule.
20474 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20475 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20477 2006-01-22 Zack Weinberg <zackw@panix.com>
20479 * gensupport.c: Define get_insn_name and record_insn_name here.
20480 (read_md_rtx): Call record_insn_name as appropriate.
20481 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20482 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20483 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20485 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20486 (BUILD_VARRAY): Delete.
20487 (genprognormal): Rename genprogmd. Fold in all programs from
20488 genprognoprint; also attrtab.
20489 (build/genattrtab): Just mention genautomata.o and varray.o.
20490 Reorganize a bit, add comments to make the categories clearer.
20492 2006-01-22 Zack Weinberg <zackw@panix.com>
20494 * genconditions.c (condition_table, add_condition): Delete.
20495 (write_conditions): Don't emit n_insn_conditions nor
20496 insn_elision_unavailable. Issue the gcc version #ifdef here,
20497 inside the table, with no #else clause ...
20498 (write_header): ...not here.
20499 (write_writer): New function.
20500 (main): Don't initialize condition_table. Use add_c_test.
20502 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20503 files on the command line.
20504 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20505 Return -1 if there is no entry in the table, don't abort.
20506 (add_c_test, traverse_c_tests): New functions.
20507 * gensupport.h (insn_elision_unavailable, insn_conditions)
20508 (n_insn_conditions): Delete declarations.
20509 (add_c_test, traverse_c_tests): Declare.
20510 * read-rtl.c: Include gensupport.h.
20511 (read_conditions): New function.
20512 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20513 (read_rtx_1): If we get EOF when we were looking for an initial
20514 open paren, return 0. Call read_conditions when appropriate.
20515 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20516 dummy-conditions.o. Eliminate references to insn-conditions.o,
20517 or change them to build/gencondmd.o, as appropriate. Remove
20518 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20519 from $(simple_generated_c). For all files remaining in those
20520 two lists, add insn-conditions.md to the generator command line.
20521 Give insn-constants.h/s-constants their own rules. Add rules
20522 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20523 (build/read-rtl.o): Depend on gensupport.h.
20524 (genprognormal): Include preds.
20525 (genprogearly): Rename genprognoprint; only difference is now that
20526 they don't link with $(BUILD_PRINT).
20527 * dummy-conditions.c: Delete.
20529 2006-01-22 Zack Weinberg <zackw@panix.com>
20531 * genextract.c: Don't include insn-config.h. Do include vec.h.
20532 Declare vectors of int, char, and locstr.
20533 (locstr): New typedef.
20534 (struct extraction): Make all array fields into bare pointers.
20535 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20536 (insn_code_number): Delete.
20537 (accum_extract): New struct.
20538 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20539 (gen_insn): Take insn_code_number as an argument. Use an
20540 accum_extract structure instead of loading data directly into
20541 a struct extraction, and having to know how big it might get.
20542 (walk_rtx): Operate entirely on an accum_extract structure.
20543 (print_path): Avoid unnecessary use of printf.
20544 (print_header): New function, split out of main. Distinguish
20545 more carefully between an unrecognizable insn and an insn that
20546 has the code number of a define_expand.
20547 (main): Pass insn_code_number to gen_insn. Call print_header
20548 only after parsing. Avoid unnecessary use of printf.
20549 * Makefile.in (build/vec.o): New rule.
20550 (build/genextract): Depend on build/vec.o.
20551 (build/genextract.o): Don't depend on insn-config.h.
20553 2006-01-22 Zack Weinberg <zackw@panix.com>
20555 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20556 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20557 practical. Eliminate per-generator-program link rules.
20559 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20561 PR middle-end/24437
20562 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20563 with a call expr to ...
20564 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20566 2006-01-23 Richard Guenther <rguenther@suse.de>
20568 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20569 before make_edge with conditional EDGE_TRUE_VALUE.
20571 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20572 Jan Hubicka <jh@suse.cz>
20573 Richard Guenther <rguenther@suse.de>
20575 PR rtl-optimization/25654
20576 * cfgexpand.c (aggregate_contains_union_type): New function.
20577 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20578 for structure variables that contain a union type.
20580 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20582 * gengtype.c (new_structure): Return the structure.
20583 (create_option): Add an extra "next" argument.
20584 (create_field): New function.
20585 (adjust_field_rtx_def): Use create_option and create_field.
20586 Remove a now-unnecessary call to find_structure.
20587 (adjust_field_tree_def): Likewise.
20588 (note_yacc_type): Remove an unnecessary call to find_structure.
20589 * gengtype.h (new_structure): Return the structure.
20590 (create_option): Add an extra argument.
20591 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20592 (option): Adjust calls to create_option.
20594 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20596 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20598 2006-01-22 Paul Brook <paul@codesourcery.com>
20599 Peter Barada <peter@the-baradas.com>
20601 * config/m68k/m68k.md: Add Coldfire FPU support.
20602 Define FP mode macro and associated attributes.
20603 Use it for float mode patterns.
20604 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20605 (LIBCALL_VALUE): Use m68k_libcall_value.
20606 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20607 (m68k_function_value): Ditto.
20608 (emit_move_sequence): Ditto.
20609 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20610 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20611 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20612 (MULTILIB_EXCEPTIONS): Ditto.
20613 * config/m68k/m68k.opt: Add mcfv4e.
20614 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20615 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20616 (m68k_output_function_prologue): Save ColdFire FPU registers.
20617 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20618 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20619 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20620 ColdFire FPU registers.
20621 (m68k_libcall_value, m68k_function_value): New functions.
20622 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20623 (LIBCALL_VALUE): Use m68k_libcall_value.
20624 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20625 (MASK_COLDFIRE): Add MASK_CFV4E.
20626 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20627 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20628 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20629 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20630 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20631 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20632 * doc/invoke.tex: Document -mcfv4e on m68k.
20634 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20636 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20639 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
20642 * c-opts.c (c_common_handle_option): Don't include
20643 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
20644 * doc/invoke.texi (C++ Dialect Options): Document that
20645 -Wnon-virtual-dtor is no longer included in -Wall.
20647 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
20649 * gcov.c (print_version), gcov-dump.c (print_version),
20650 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
20653 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
20655 * df-scan.c (problem_SCAN): Added NULL reset function.
20656 (df_scan_reset_blocks): Added code to call reset block function
20657 (df_bb_refs_delete) Fixed comment.
20658 (df_insn_refs_delete): Made tolerant of deleting non existent info
20659 for dataflow problems that need to be reset.
20660 * df-core.c (df_set_blocks): Ditto.
20661 * df.h (struct df_problem): Added reset_fun.
20662 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
20663 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
20664 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
20665 functions to clear out all references to def-use or use-def chains.
20667 2006-01-21 Ben Elliston <bje@au.ibm.com>
20669 * varasm.c (assemble_real): Initialise data array.
20671 2006-01-20 Paul Brook <paul@codesourcery.com>
20673 Merge from csl-arm-branch.
20674 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
20675 * config/arm/arm.md (movdi): Force operands[1] to a register
20676 if we have a non-register source.
20677 (*arm_movdi, *movdf_soft_insn): Require that one of the
20678 operands be a register.
20679 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
20680 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
20682 2006-01-20 DJ Delorie <dj@redhat.com>
20684 * varasm.c (initializer_constant_valid_p): Allow pointers
20685 initialized from integer constants of lesser precision.
20686 (output_constant): Allow non-int-sized pointer modes to be
20687 initialized from integer constants.
20689 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
20692 * cppdefault.h (struct default_include): Add multilib flag.
20693 * cppdefault.c (cpp_include_defaults): Set it.
20694 * c.opt (-imultilib): New option.
20695 * c-opts.c (imultilib): New.
20696 (c_common_handle_option): Handle -imultilib.
20697 (c_common_post_options): Likewise.
20698 * c-incpath.c (add_standard_paths, register_include_chains):
20700 * c-incpath.h (register_include_chains): Add extra parameter.
20701 * gcc.c (do_spec_1): Generate -imultilib option.
20702 (The Specs Language): Update %I description.
20703 (process_command): Update copyright notice.
20704 * doc/cppopts.texi (-imultilib): Document.
20705 * doc/invoke.texi (-imultilib): Include in option summary.
20706 (%I): Update specs documentation.
20708 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20710 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
20712 2006-01-20 Richard Sandiford <richard@codesourcery.com>
20714 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
20717 2006-01-20 Richard Guenther <rguenther@suse.de>
20718 Steven Bosscher <stevenb.gcc@gmail.com>
20720 PR rtl-optimization/24626
20721 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
20722 EDGE_TRUE_VALUE if in RTL mode.
20725 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
20726 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
20728 2006-01-20 Dirk Mueller <dmueller@suse.com>
20731 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
20732 instead of a special NOP marker.
20733 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
20734 NOP marker handling.
20735 * c-common.h (empty_body_warning): Add forward declaration.
20736 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
20737 Now uses IS_EMPTY_STMT() instead of special NOP markers.
20739 2006-01-20 Paul Brook <paul@codesourcery.com>
20741 * Makefile.in (lang_checks): Keep going if mkdir fails.
20743 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20745 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
20746 be able to clean out basic block when not necessary.
20747 (df_scan_free): Fixed to properly delete information if df is
20748 unused before calling df_finish.
20749 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
20750 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
20752 (df_bb_refs_delete): New function.
20753 (df_refs_delete): Moved per block code to df_bb_refs_delete.
20754 * df-core.c (df_set_blocks): Added code to properly clean out
20755 unused blocks if they are not part of the blocks to consider.
20756 Added additional null check.
20757 (df_compact_blocks): Added basic block parameter to free_bb_fun to
20758 be able to clean out basic block when not necessary
20759 * df.h (df_free_bb_function): Ditto.
20760 (df_bb_refs_delete): New function.
20761 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
20762 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
20763 basic block parameter to be able to clean out basic block when not
20765 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
20766 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
20767 Fixed to properly delete information if df is unused before
20770 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20772 PR rtl-optimization/25799
20773 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
20774 Corrected confluence operator to remove bits from op2 before oring
20775 with op1 rather than removing bits from op1.
20776 (df_ru_transfer_function): Corrected test on wrong bitmap which
20777 caused infinite loop. Both of these problems were introduced in
20778 the dataflow rewrite.
20780 2006-01-19 DJ Delorie <dj@redhat.com>
20782 * reload1.c (find_reload_regs): Note the details of reload
20783 failures in the dump file.
20784 (spill_failure): Likewise.
20786 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20788 * loop-iv.c: Include df.h and hashtab.h.
20789 (enum iv_grd_result): New enum.
20790 (DF_REF_IV, DF_REF_IV_SET): New macros.
20791 (struct biv_entry): New.
20792 (df, bivs): New global variables.
20793 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
20794 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
20796 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
20797 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
20798 analyzed_for_bivness_p, record_biv): New functions.
20799 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
20800 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
20801 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
20803 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
20805 (iv_number_of_iterations): Use new interface to iv analysis.
20806 * loop-unroll.c: Do not include varray.h.
20807 (analyze_iv_to_split_insn): Use new interface to iv
20809 * loop-unswitch.c (may_unswitch_on): Ditto.
20810 * df.c (df_bitmaps_free): Only work for bbs for that structures are
20812 (df_bb_modify): Realloc tables to the new index.
20813 (df_find_use): New function.
20814 * df.h (df_find_use): Declare.
20815 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
20817 * cfgloop.h (struct rtx_iv): Remove analysed field.
20818 (iv_get_reaching_def): Removed.
20819 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
20820 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
20821 (loop-iv.o): Add df.h and hashtab.h dependency.
20822 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
20824 2006-01-20 Alan Modra <amodra@bigpond.net.au>
20827 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
20829 (__floatundisf, __floatundidf): Likewise.
20830 * libgcc2.h (IS_IBM_EXTENDED): Define.
20832 2006-01-19 DJ Delorie <dj@redhat.com>
20834 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
20836 2006-01-19 Paul Brook <paul@codesourcery.com>
20838 * config/arm/arm.c (arm_compute_func_type): Treat all functions
20839 as nothrow when unwinding tables are disabled.
20841 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20844 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
20845 of bit-field" when in system header.
20847 2006-01-19 DJ Delorie <dj@redhat.com>
20849 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
20850 the 16 bit shift limit of the m16c.
20852 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
20855 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
20856 * config/i386/i386.c (output_set_got): Output the label if we have one
20857 for the TARGET_DEEP_BRANCH_PREDICTION case.
20859 2006-01-19 Jan Hubicka <jh@suse.cz>
20860 H.J. Lu <hongjiu.lu@intel.com>
20861 Evandro Menezes <evandro.menezes@amd.com>
20863 * invoke.texi (generic): Document
20865 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
20866 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
20867 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
20868 (x86_use_incdec, x86_pad_returns): New variables
20869 (TARGET_CPU_DEFAULT_generic): New constant
20870 (TARGET_CPU_DEFAULT_NAMES): Add generic.
20871 (enum processor_type): Add generic32 and generic64.
20872 * i386.md (cpu attribute): Add generic32/generic64
20873 (movhi splitter): Behave sanely when both partial_reg_dependency and
20874 partial_reg_stall are set.
20875 (K8 splitters): Enable for generic as well.
20876 * predicates.md (incdec_operand): Use TARGET_INCDEC
20877 (aligned_operand): Avoid memory mismatch stalls.
20878 * athlon.md: Enable for generic64, new patterns for 128bit moves.
20879 * ppro.md: Enable for generic32
20880 * i386.c (generic64_cost, generic32_cost): New.
20881 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
20882 (x86_use_leave): Enable for generic64. (x86_use_sahf,
20883 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
20884 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
20885 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
20886 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
20887 x86_partial_reg_dependency, x86_memory_mismatch_stall,
20888 x86_accumulate_outgoing_args, x86_prologue_using_move,
20889 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
20890 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
20891 Enable for generic.
20892 (x86_use_incdec, x86_pad_returns): New.
20893 (override_options): Add generic32 and generic64, translate "generic"
20894 to generic32/generic64 and "i686" to "generic32", refuse
20895 "generic32"/"generic64" as arch target.
20896 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
20897 (ix86_reorg): Honor PAD_RETURNS.
20899 2006-01-19 Diego Novillo <dnovillo@redhat.com>
20901 * tree-pretty-print.c (dump_generic_node): Handle
20902 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
20903 * cgraph.c (cgraph_expand_queue): Rename from
20904 cgraph_analyze_queue. Update all users.
20905 * cgraphunit.c (cgraph_assemble_pending_functions): Process
20906 cgraph_expand_queue.
20907 (cgraph_expand_all_functions): Likewise.
20908 (cgraph_finalize_pending_functions): Remove. Update callers.
20910 * tree.h (OMP_DIRECTIVE_P): Define.
20911 (OMP_PARALLEL_FN): Define.
20912 (OMP_PARALLEL_DATA_ARG): Define.
20913 (OMP_SECTIONS_SECTIONS): Define.
20914 * tree-pass.h (pass_expand_omp): Declare.
20915 * omp-low.c (struct omp_region): Declare.
20916 (struct omp_context): Remove fields 'parallel_type',
20917 'parallel_start_ix' and 'parallel_start_additional_args'.
20919 (struct omp_for_data): Rename from struct expand_omp_for_data.
20920 (omp_regions): New static variable.
20921 (root_omp_region): New static variable.
20922 (find_omp_clause): Make static.
20923 (is_in_combined_parallel_ctx): Remove.
20924 (is_combined_parallel): New.
20925 (extract_omp_for_data): Move earlier in the file.
20926 (workshare_safe_to_combine_p): New.
20927 (get_ws_args_for): New.
20928 (determine_parallel_type): Move earlier in the file.
20929 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
20931 (omp_copy_decl): Likewise.
20932 (create_omp_child_function): Likewise.
20933 (lookup_omp_region): New.
20934 (dump_omp_region): New.
20935 (debug_omp_region): New.
20936 (debug_all_omp_regions): New.
20937 (new_omp_region): New.
20938 (scan_omp_parallel): If parallel_nesting_level > 1, the
20939 directive is nested within another parallel directive.
20940 Set OMP_PARALLEL_FN.
20941 (scan_omp_for): Do not try to handle combined parallel+for
20943 Remove FIXME comment.
20944 (scan_omp_nested): Remove.
20945 (scan_omp_1): Do not call scan_omp_nested when
20946 parallel_nesting_level is > 1.
20947 Do not change the DECL_CONTEXT of local variables found.
20948 (lookup_decl_in_outer_ctx): New.
20949 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
20950 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
20951 (lower_reduction_clauses): Rename from expand_reduction_clauses.
20952 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
20953 If CTX is nested, lookup VAR in the outer context when
20954 building copy assignment.
20955 (lower_send_clauses): Rename from expand_send_clauses.
20956 If CTX is nested, lookup VAR in the outer context when
20957 building copy assignments.
20958 (lower_send_shared_vars): Rename from expand_send_shared_vars.
20959 If CTX is nested, lookup VAR in the outer context when
20960 building copy assignments.
20961 (expand_parallel_call): Rename from build_parallel_call.
20962 Handle combined parallel+workshare cases.
20963 Re-implement to emit code into the CFG.
20965 (expand_omp_parallel): Re-implement to emit code into the CFG.
20966 Call move_sese_region_to_fn to outline the sub-graph
20967 containing the parallel region.
20968 (expand_omp_for_1): Remove.
20969 (expand_omp_for_generic): Re-implement to emit code into the
20971 (expand_omp_for_static_nochunk): Likewise.
20972 (expand_omp_for_static_chunk): Likewise.
20973 (expand_omp_for): Likewise.
20974 (expand_omp_sections): Likewise.
20975 (remove_exit_barriers): New.
20976 (expand_omp_synch): New.
20978 (build_omp_regions_1): New.
20979 (build_omp_regions): New.
20980 (execute_expand_omp): New.
20981 (gate_expand_omp): New.
20982 (pass_expand_omp): Define.
20983 (lower_omp_sections): Rename from expand_omp_sections.
20984 Set OMP_SECTIONS_SECTIONS.
20985 (lower_omp_single_simple): Rename from expand_omp_single_simple.
20986 (lower_omp_single_copy): Rename from expand_omp_single_copy.
20987 (lower_omp_single): Rename from expand_omp_simple.
20988 (lower_omp_master): Rename from expand_omp_master.
20989 (lower_omp_ordered): Rename from expand_omp_ordered.
20990 (lower_omp_critical): Rename from expand_omp_critical.
20991 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
20992 (lower_omp_for): Re-implement.
20993 (lower_omp_parallel): Re-implement.
20994 (lower_regimplify): Rename from expand_regimplify.
20995 (lower_omp_1): Rename from expand_omp_1.
20996 If there are syntax errors in the program, replace every
20997 OpenMP directive with NOP.
20998 Call lower_omp_* instead of expand_omp_*.
20999 (lower_omp): Rename from expand_omp.
21001 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
21002 * tree-gimple.h (enum omp_parallel_type): Remove.
21003 (gimple_boolify): Declare extern.
21004 (find_omp_clause, determine_parallel_type): Remove.
21006 * gimple-low.c (lower_omp_directive): New.
21007 (lower_stmt): Call it.
21008 (record_vars_into): Move from ...
21009 (record_vars): ... here.
21010 Call record_vars_into with current_function_decl.
21012 * gimplify.c (struct gimplify_ctx): Remove fields
21013 combined_pre_p and combined_ctxp. Update users.
21014 (get_formal_tmp_var): Add documentation.
21015 (gimple_boolify): Make extern.
21016 (gimplify_expr_in_ctx): Remove. Update callers.
21017 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
21018 will always be a BIND_EXPR.
21019 (gimplify_expr): Handle OMP_RETURN_EXPR.
21020 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
21021 (OMP_PARALLEL): Add 3 operands.
21022 (OMP_SECTIONS): Add 1 operand.
21023 (OMP_RETURN_EXPR): Define.
21025 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
21026 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
21027 * tree-iterator.c (alloc_stmt_list): Assert that we are not
21028 creating a circular free list.
21029 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
21031 * tree-flow.h (move_sese_region_to_fn): Declare.
21032 (record_vars_into): Declare.
21033 * tree-cfg.c (make_omp_sections_edges): New.
21034 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
21035 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
21036 OMP_SECTIONS and OMP_SECTION.
21037 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
21038 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
21039 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
21040 (gather_blocks_in_sese_region): New.
21041 (struct move_stmt_d): Declare.
21042 (move_stmt_r): New.
21043 (move_block_to_fn): New.
21044 (move_sese_region_to_fn): New.
21046 * passes.c (init_optimization_passes): Schedule
21047 pass_expand_omp after pass_init_datastructures.
21049 * tree-ssa-operands.c (get_expr_operands): Handle
21050 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
21051 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
21053 2006-01-19 Jeff Law <law@redhat.com>
21055 * tree-vrp.c (extract_range_from_assert): Refine the result range
21056 if the variable referenced by the ASSERT_EXPR has a range and
21057 either the tentative result range or the previous range is a
21060 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21062 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
21064 2006-01-19 Jan Hubicka <jh@suse.cz>
21066 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
21068 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
21070 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
21071 (expand_compound_operation, expand_field_assignment): Fail if the
21072 bit lengths of an extract operation are out of range.
21073 (make_extraction): Compute wanted_inner_mode based on the position
21074 and length of the extraction. Make it extraction_mode for non-constant
21075 positions, and do not modify offset in that case. When generating a
21076 new MEM, use a mode that can hold the extraction while keeping correct
21077 alignment. Remove code that supported MEMs wrapped by USEs.
21078 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
21080 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
21082 * config/s390/s390.md ("Y", "y"): New mode attribute.
21083 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
21084 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
21085 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
21086 "*addsi3_imm_cc", "*addsi3_carry1_cc",
21087 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
21088 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
21089 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
21090 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
21091 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
21092 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
21093 "addsi3", "subsi3"): Insn patterns removed.
21094 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
21095 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
21096 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
21097 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
21098 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
21099 "*sub<mode>3_cconly2"): New insn patterns.
21100 ("addsi3", "subsi3"): New expanders.
21102 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
21104 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
21105 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
21106 existing STMT_VINFO_VECTYPE if available.
21107 (vect_mark_relevant): Add special handling for stmts that are
21108 marked as STMT_VINFO_IN_PATTERN_P.
21109 (vect_analyze_loop): Call vect_pattern_recog.
21110 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
21111 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
21113 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
21114 (vect_recog_func_ptr): New function-pointer type.
21115 * tree-vect-patterns.c: New file.
21116 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
21117 (vect_recog_dot_prod_pattern, vect_pattern_recog):
21118 (vect_pattern_recog_1): New functions.
21119 (vect_pattern_recog_funcs): New array of function pointers.
21121 * tree-vectorizer.h (ternary_op): New enum value.
21122 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
21123 declaration. Revised documentation. Removed redundant dump prints.
21124 Removed redundant argument. Added support for reduction patterns.
21125 (vectorizable_reduction): Added support for reduction patterns.
21126 (vect_transform_stmt): Added support for patterns.
21128 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
21129 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
21130 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
21131 (expand_widen_pattern_expr): New function.
21132 (init_optabs): Initialize new optabs udot_prod_optab,
21134 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
21135 (sdot_prod_optab, udot_prod_optab): Define new optabs.
21136 (expand_widen_pattern_expr): New function declaration.
21137 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
21139 * tree-inline.c (estimate_num_insns_1): Added cases for new
21140 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21141 * tree-pretty-print.c (dump_generic_node): Likewise.
21142 (op_prio): Likewise.
21143 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21144 * tree-ssa-operands.c (get_expr_operands): Added case for
21146 * tree-vect-patterns.c (widened_name_p): New function.
21147 (vect_recog_dot_prod_pattern): Added function implementation.
21148 * tree-vect-transform.c (get_initial_def_for_reduction): Added
21149 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
21150 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
21151 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21153 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21154 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21155 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21156 (init_optabs): Initialize new optabs widen_ssum_optab,
21158 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21159 (widen_ssum_optab, widen_usum_optab): Define new optabs.
21160 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
21161 use instead of type of def.
21162 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21163 function implementation.
21164 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
21165 widen_ssumv8hi): New.
21167 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21170 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21173 * c-decl.c (add_flexible_array_elts_to_size): New function.
21174 (finish_decl): Use it.
21176 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
21178 * diagnostic.h: Include options.h.
21179 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21180 dependancies for diagnostic.h.
21181 * Makefile.in (DIAGNOSTIC_H): Add options.h.
21183 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
21185 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21186 (ssa_ro_call_cache_valid): Ditto.
21187 * tree-ssa-alias.c (sort_tags_by_id): New function.
21188 (init_transitive_clobber_worklist): Ditto.
21189 (add_to_worklist): Ditto.
21190 (mark_aliases_call_clobbered): Ditto.
21191 (compute_tag_properties): Ditto.
21192 (set_initial_properties): Ditto.
21193 (compute_call_clobbered): Ditto.
21194 (compute_may_aliases): Call compute_call_clobbered and grouping.
21195 (compute_flow_sensitive_aliasing): Remove clobbering related code.
21196 (compute_flow_insensitive_aliasing): Grouping now happens in our
21198 (setup_pointers_and_addressables): Remove clobbering related code.
21199 (add_may_alias): Ditto.
21200 (replace_may_alias): Ditto.
21201 (get_nmt_for): Ditto.
21202 (create_global_var):
21203 (is_escape_site): Return an escape_type enumeration.
21204 * tree-flow-inline.h (is_call_clobbered): Global var does not
21205 imply call clobbered.
21206 (mark_call_clobbered): Take a reason for marking this. Remove
21207 marking of globalness, and cache invalidation.
21208 (clear_call_clobbered): Remove cache invalidation code.
21209 * tree-dfa.c (dump_variable): If details is on, dump the reason
21211 * tree-outof-ssa.c (create_temp): Copy escape mask from original
21213 * tree-flow.h (struct ptr_info_def): Add escape mask member.
21214 (struct var_ann_d): Ditto.
21215 (enum escape_type): New.
21216 (mark_call_clobbered): Adjust prototype.
21217 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21218 are never call clobbered.
21219 Record reasons for escaping.
21220 * tree-ssa-structalias.h (is_escape_site): Update prototype.
21221 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21222 (ssa_ro_call_cache_valid): Ditto.
21223 (clobbered_v_may_defs): Ditto.
21224 (clobbered_vuses): Ditto.
21225 (ro_call_vuses): Ditto.
21226 (clobber_stats): New.
21227 (init_ssa_operands): Zero out clobber stats.
21228 (fini_ssa_operands): Print out clobber stats.
21229 (get_call_expr_operands): Pass callee fndecl to
21230 add_call_read_ops).
21231 (add_call_clobber_ops): Remove use of cache.
21232 Add use of PURE_CONST information.
21233 (add_call_read_ops): Remove use of cache.
21234 Add use of static not_read information.
21236 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
21238 Introduce TLS descriptors for i386 and x86_64.
21239 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21240 (TARGET_ANY_GNU_TLS): New macro.
21241 (enum tls_dialect): Added TLS_DIALECT_GNU2.
21242 (struct machine_function): Add tls_descriptor_call_expanded_p.
21243 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21244 (ix86_current_function_calls_tls_descriptor): Likewise.
21245 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21246 (override_options): Introduce gnu2 tls dialect.
21247 (ix86_frame_pointer_required): Functions containing TLSCALLs are
21249 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21251 (legitimize_tls_address): Adjust logic for GNU2 TLS.
21252 (ix86_init_machine_status): Initialize new field.
21253 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21254 (ix86_tls_module_base): New.
21255 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21256 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21257 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21258 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21259 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21260 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21261 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21262 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21263 * config/i386/predicates.md (tls_modbase_operand): New.
21264 (tp_or_register_operand): New.
21266 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
21268 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21269 (look_for_address_of): Ditto.
21270 (ipa_init): Walk the function decls.
21271 (static_execute): Don't set readonly on FUNCTION_DECL's.
21273 2006-01-18 Roger Sayle <roger@eyesopen.com>
21275 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21276 for shifts where the source and destination registers are different.
21278 2006-01-18 Paul Brook <paul@codesourcery.com>
21280 Merge from csl-arm-branch.
21281 2005-03-14 Julian Brown <julian@codesourcery.com>
21282 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
21283 (aeabi_llsl): Likewise.
21284 (ashrdi3): Likewise.
21285 (aeabi_lasr): Likewise.
21286 (lshrdi3): Likewise.
21287 (aeabi_llsr): Likewise.
21288 2005-03-10 Julian Brown <julian@codesourcery.com>
21289 * config.gcc: Disable shared libgcc for SymbianOS.
21290 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
21292 2006-01-18 DJ Delorie <dj@redhat.com>
21294 * c-pragma.c (handle_pragma_diagnostic): New.
21295 (init_pragma): Register it.
21296 * doc/extend.texi: Document it.
21298 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
21299 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
21300 (diagnostic_context): Add classify_diagnostic[].
21301 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
21302 as errors if they're overridden to DK_WARNING.
21303 (diagnostic_initialize): Initialize classify_diagnostic[].
21304 (diagnostic_set_kind_override): New.
21305 (diagnostic_report_diagnostic): Check for kind changes.
21306 * opts.c (common_handle_option): Take lang_mask. Update callers.
21307 Handle OPT_Werror_.
21308 * common.opt (Werror=): New.
21309 * doc/invoke.texi: Document -Werror=*
21311 2006-01-18 Jeff Law <law@redhat.com>
21313 * tree-vrp.c (test_for_singularity): Correct test for new
21314 min limit. Use operand_equal_p rather than pointer equality
21315 for testing if new min/max values are equal.
21317 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
21318 using range information until after propagation and folding.
21320 2006-01-18 Richard Henderson <rth@redhat.com>
21321 Aldy Hernandez <aldyh@redhat.com>
21322 Jakub Jelinek <jakub@redhat.com>
21323 Diego Novillo <dnovillo@redhat.com>
21325 * omp-low.c: New file.
21326 * c-omp.c: New file.
21328 2006-01-18 Richard Henderson <rth@redhat.com>
21329 Jakub Jelinek <jakub@redhat.com>
21330 Diego Novillo <dnovillo@redhat.com>
21332 * doc/invoke.texi: Document -fopenmp.
21333 * tree-dump.h (debug_function): Declare.
21334 * hooks.c (hook_bool_tree_bool_false): New function.
21335 (hook_tree_tree_null): Remove.
21336 (hook_tree_tree_tree_null): New.
21337 * hooks.h: Update to match.
21338 * tree-pretty-print.c (debug_tree_chain): New.
21339 (print_generic_expr): Handle TDF_CHAIN.
21340 (dump_generic_node): Handle BLOCK.
21341 Do not abort with incomplete SWITCH_EXPRs.
21342 Do not dump body of an OpenMP directive if TDF_SLIM is given.
21343 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
21344 print space after directive name.
21345 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
21346 Handle OMP_MASTER and OMP_ORDERED.
21347 Handle printing of OMP_BODY just in one place, goto
21348 dump_omp_body in the rest of OMP_* nodes that have
21350 Don't handle clause nodes here. Update omp statements to
21351 use dump_omp_clauses.
21352 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
21353 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
21354 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
21355 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
21356 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
21357 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
21358 Adjust output for GOMP_PARALLEL.
21359 (dump_omp_clauses): New.
21360 (print_declaration): Dump DECL_VALUE_EXPR.
21361 (op_symbol_1): Split out of op_symbol.
21362 (dumping_stmts): Remove. Update all users.
21363 * cgraph.c (cgraph_analyze_queue): New.
21364 (cgraph_add_new_function): New.
21365 * cgraph.h (cgraph_analyze_queue): Declare.
21366 (cgraph_add_new_function): Declare.
21367 (cgraph_lower_function): Remove.
21368 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
21369 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
21370 and TYPE_P nodes in its default clause.
21371 (empty_body_p): New.
21372 (tree_range_check_failed): New.
21373 (build5_stat): New.
21374 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
21375 OMP_CLAUSE_REDUCTION_MERGE,
21376 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
21377 OMP_CLAUSE_PRIVATE_DEBUG,
21378 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
21379 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
21380 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
21381 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
21382 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
21383 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
21384 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
21385 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
21386 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
21387 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
21388 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
21389 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
21390 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
21391 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
21392 (TREE_RANGE_CHECK): New.
21393 (empty_body_p): Declare.
21394 (enum omp_clause_default_kind): New.
21395 (build_string_literal): Declare.
21396 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
21397 (build5_stat, build5): Declare.
21398 * tree-pass.h (TDF_CHAIN): Define.
21399 * tree-pass.h (PROP_gimple_lomp): Define.
21400 (pass_lower_omp): Declare.
21401 * diagnostic.h (debug_tree_chain): Declare.
21402 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
21404 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
21405 * builtins.c (build_string_literal): Make extern.
21406 * gcc.c (include_spec_function): New.
21407 (static_spec_functions): Add it.
21408 (main): Move load of libgomp.spec ...
21409 (LINK_COMMAND_SPEC): ... here.
21410 (link_gomp_spec): New.
21411 (static_specs): Include it.
21412 (LINK_COMMAND_SPEC): Add link_gomp.
21413 (GOMP_SELF_SPECS): New.
21414 (driver_self_specs): Include it.
21415 (switch_matches): Don't mark inline.
21416 (main): Load libgomp.spec.
21417 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
21418 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
21419 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
21420 * tree-gimple.h (enum omp_parallel): Declare.
21421 (determine_parallel_type): Declare.
21422 (omp_firstprivatize_variable): Declare.
21423 (omp_reduction_init): Declare.
21424 (diagnose_omp_structured_block_errors): Declare.
21425 (struct walk_stmt_info): Add want_return_expr.
21426 (struct walk_stmt_info): Add want_bind_expr, want_locations.
21427 (find_omp_clause): Declare.
21428 (insert_field_into_struct): Declare.
21429 (struct walk_stmt_info): Move from tree-nested.c
21430 (walk_stmts): Declare.
21431 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21433 * cgraphunit.c (cgraph_lower_function): Make static.
21434 (cgraph_finalize_pending_functions): New.
21435 (cgraph_finalize_function): Call it.
21436 (cgraph_finalize_compilation_unit): Likewise.
21437 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21438 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21439 (BT_FN_UINT_UINT): New.
21440 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21441 DEF_FUNCTION_TYPE_VAR_4): Document.
21442 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21443 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21444 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21445 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21446 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21447 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21448 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21449 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21450 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21451 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21452 into separate files.
21453 (DEF_GOMP_BUILTIN): New.
21454 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21455 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21456 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21457 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21458 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21459 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21460 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21461 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21462 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21463 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21464 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21465 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21466 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21467 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21468 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21469 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21470 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21471 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21472 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21473 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21474 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21475 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21476 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21477 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21478 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21479 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21480 * sync-builtins.def: New file, moved from builtins.def.
21481 * omp-builtins.def: New file, moved from builtins.def.
21482 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21483 * gimple-low.c (lower_function_body): Clear data.
21484 (lower_stmt): Do not handle COMPOUND_EXPR.
21485 Remove call to print_node_brief.
21486 * c-tree.h (c_finish_omp_clauses): New prototype.
21487 (C_DECL_THREADPRIVATE_P): Define.
21488 (lookup_name_no_remap, c_omp_remap_private): Remove
21489 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21490 (check_for_loop_decls): Update decl.
21491 (lookup_name_no_remap, c_omp_remap_private): Declare.
21492 (build_indirect_ref, build_modify_expr, pushdecl,
21493 pushdecl_top_level): Move to c-common.h.
21494 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21495 before the switch, but just in the 2 places that need it.
21496 * c-decl.c (diagnose_mismatched_decls): Do not check for
21497 mismatched thread-local attributes when OLDDECL is marked
21498 threadprivate and NEWDECL has no thread-local attributes.
21499 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21500 (c_gimple_diagnostics_recursively): Rename from
21501 c_warn_unused_result_recursively. Invoke
21502 diagnose_omp_structured_block_errors.
21503 (check_for_loop_decls): Return a singular decl found.
21504 * langhooks.c (lhd_omp_predetermined_sharing): Return
21505 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21506 (lhd_omp_firstprivatize_type_sizes): New.
21507 (lhd_omp_assignment): New.
21508 (lhd_omp_predetermined_sharing): New.
21509 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21510 (struct lang_hooks_for_types): Add
21511 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21512 omp_predetermined_sharing, omp_disregard_value_expr,
21513 omp_private_debug_clause, omp_clause_default_ctor,
21514 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21515 (c_finish_omp_clauses): New.
21516 (c_finish_bc_stmt): Diagnose break within omp for.
21517 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21518 (build_unary_op): Return error_mark after reporting
21520 (build_modify_expr): Likewise.
21521 * gimplify.c: Include optabs.h and pointer-set.h.
21522 (enum gimplify_omp_var_data): Declare.
21523 (struct gimplify_omp_ctx): Declare.
21524 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21526 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21527 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21528 (splay_tree_compare_decl_uid): New.
21529 (new_omp_context): New.
21530 (delete_omp_context): New.
21531 (gimple_add_tmp_var): Call omp_add_variable.
21532 (gimplify_bind_expr): Likewise.
21533 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21534 true, disregard DECL_VALUE_EXPR on the decl if any.
21535 (gimplify_expr_in_ctx): New.
21536 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21537 omp_add_variable, omp_notice_variable, omp_is_private
21538 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21539 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21540 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21541 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21542 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21543 gimplify_omp_atomic): New.
21544 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21545 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21546 OMP_CRITICAL and OMP_ATOMIC.
21547 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21548 * c-pragma.h (enum pragma_kind): Add
21549 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21550 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21551 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21552 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21553 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21554 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21555 PRAGMA_OMP_THREADPRIVATE.
21556 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21557 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21558 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21559 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21560 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21561 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21562 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21563 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21564 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21565 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21566 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21567 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21568 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21570 (struct nesting_info): Add field_map,
21571 suppress_expansion, debug_var_chain.
21572 (create_nesting_tree): Initialize them.
21573 (lookup_field_for_decl): Use field_map.
21574 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21575 (convert_local_omp_clauses): New.
21576 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21577 (walk_body): Split out of walk_function.
21578 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21579 (convert_nonlocal_reference): Handle omp statements.
21580 (convert_local_reference): Likewise.
21581 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21582 (unnest_nesting_tree): New.
21583 (lower_nested_functions): Call it.
21584 (insert_field_into_struct): Make extern.
21585 (struct walk_stmt_info): Move to tree-gimple.h.
21586 (walk_stmts): Make extern.
21587 * omp-builtins.def: New file.
21588 * tree-iterator.c (expr_only): Clarify comment.
21589 * c-common.h (pushdecl_top_level, pushdecl,
21590 build_modify_expr, build_indirect_ref,
21591 c_finish_omp_master, c_finish_omp_critical,
21592 c_finish_omp_ordered, c_finish_omp_barrier,
21593 c_finish_omp_atomic, c_finish_omp_flush,
21594 c_finish_omp_for, c_split_parallel_clauses,
21595 omp_clause_default_kind, c_omp_sharing_predetermined,
21596 c_omp_remap_decl): Declare.
21597 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21598 (OBJS-common): Add omp-low.o.
21599 (c-omp.o, omp-low.o): Add.
21600 (gimplify.o): Add dependency on $(OPTABS_H).
21601 (GTFILES): Add omp-low.c.
21602 (gt-stringpool.h): Add.
21603 * tree-cfg.c (set_bb_for_stmt): Do not update the
21604 block-to-labels map if we are currently expanding to RTL.
21605 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21607 Handle IDENTIFIER_NODE.
21608 (tree_verify_flow_info): Do not ICE when emitting error
21609 messages about invalid labels.
21610 (dump_function_to_file): Reset CFUN before emitting the body
21612 (debug_function): New.
21613 * passes.c (init_optimization_passes): Schedule
21615 * langhooks-def.h (lhd_omp_predetermined_sharing,
21616 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21618 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21619 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21620 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21621 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21622 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21623 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21624 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21625 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21626 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21627 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21628 (LANG_HOOK_DECLS): Use them.
21630 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21631 Richard Henderson <rth@redhat.com>
21632 Jakub Jelinek <jakub@redhat.com>
21633 Diego Novillo <dnovillo@redhat.com>
21635 * c-parser.c (pragma_omp_clause): Define.
21636 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21637 (c_parser_compound_statement): Likewise.
21638 (c_parser_statement): Likewise.
21639 (c_parser_pragma): Handle omp pragmas.
21640 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21641 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
21642 (c_parser_omp_clause_name, check_no_duplicate_clause,
21643 c_parser_omp_variable_list,
21644 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
21645 c_parser_omp_clause_copyprivate,
21646 c_parser_omp_clause_default,
21647 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
21648 c_parser_omp_clause_lastprivate,
21649 c_parser_omp_clause_nowait,
21650 c_parser_omp_clause_num_threads,
21651 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
21652 c_parser_omp_clause_reduction,
21653 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
21654 c_parser_omp_all_clauses, c_parser_omp_structured_block,
21655 c_parser_omp_atomic, c_parser_omp_barrier,
21656 c_parser_omp_critical, c_parser_omp_flush,
21657 c_parser_omp_for_loop, c_parser_omp_for,
21658 c_parser_omp_master, c_parser_omp_ordered,
21659 c_parser_omp_sections_scope, c_parser_omp_sections,
21660 c_parser_omp_parallel, c_parser_omp_single,
21661 c_parser_omp_construct, c_parser_omp_threadprivate): New.
21662 * c-pragma.c (init_pragma): Do omp pragma registration here.
21663 * c.opt (fopenmp): New flag.
21665 2006-01-18 Eric Christopher <echristo@apple.com>
21667 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
21668 * config/darwin.h (GOMP_SELF_SPECS): Define.
21670 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21672 * rtl.h: Remove the prototype for reg_alloc.
21674 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21677 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
21678 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
21679 sjlj and dwarf2 exception handling.
21680 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
21681 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
21682 * pa/pa.c (function_value): Treat complex and vector types as
21684 (function_arg): Likewise. Only pass scalar floats in the floating
21685 point argument registers.
21686 * pa/t-slibgcc-dwarf-ver: New file.
21687 * pa/t-slibgcc-sjlj-ver: New file.
21688 * pa/t-slibgcc-elf-ver: Delete file.
21690 2006-01-19 Alan Modra <amodra@bigpond.net.au>
21692 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
21693 unlikely_test_section_p test.
21695 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21697 * mode-switching.c (optimize_mode_switching): Make it static.
21698 * basic-block.h: Remove the prototype for
21699 optimize_mode_switching.
21701 * modulo-sched.c (sms_schedule): Make it static.
21702 * rtl.h: Remove the prototype for sms_schedule.
21704 * postreload-gcse.c (gcse_after_reload_main): Make it static.
21705 * rtl.h: Remove the prototype for gcse_after_reload_main.
21707 * reg-stack.c (reg_to_stack): Make it static.
21708 * rtl.h: Remove the prototype for reg_to_stack.
21710 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
21712 * rtl.h: Remove the prototypes for regrename_optimize and
21713 copyprop_hardreg_forward.
21715 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
21717 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
21718 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
21719 Test against the appropriate null constant for the mode.
21720 If 'fixup_overlap' is true, swap the operands if they overlap.
21721 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
21722 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
21723 alpha_split_tmode_pair and adjust for above change.
21724 * config/alpha/alpha.md (movtf_internal): Adjust call to
21725 alpha_split_tfmode_pair and rely on it to swap the operands.
21726 (movti_internal): New insn and post-reload splitter.
21727 (movti): New expander.
21729 2006-01-18 Philippe De Muyter <phdm@macqel.be>
21731 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
21734 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21736 * rtlanal.c (global_reg_mentioned_p_1,
21737 global_reg_mentioned_p): Remove.
21738 * rtl.h: Remove the prototype for global_reg_mentioned_p.
21740 * flow.c (initialize_uninitialized_subregs): Make it static.
21741 * rtl.h: Remove the prototype for
21742 initialize_uninitialized_subregs.
21744 * function.c (instantiate_virtual_regs): Make it static.
21745 * function.h: Remove the prototype for
21746 instantiate_virtual_regs.
21748 * regmove.c (regmove_optimize, combine_stack_adjustments):
21750 * rtl.h: Remove the prototypes for regmove_optimize and
21751 combine_stack_adjustments.
21753 2006-01-17 Roger Sayle <roger@eyesopen.com>
21755 * config/i386/i386.c (COSTS_N_BYTES): New macro.
21756 (size_cost): Encode costs in bytes so that a reg-reg addition is
21757 equivalent to COSTS_N_INSNS(1).
21758 (override_options): Use the size_cost.branch_cost as the default
21759 ix86_branch_cost when optimizing for size.
21761 2006-01-18 Ben Elliston <bje@au.ibm.com>
21763 * Makefile.in (D32PBIT_FUNCS): New.
21764 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
21765 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
21766 D64PBIT_FUNCS and D128PBIT_FUNCS.
21767 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
21768 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
21770 (decnumber_dep): Define.
21771 * doc/libgcc.texi (Decimal float library routines): New node.
21772 * config/dfp-bit.h, config/dfp-bit.c: New files.
21774 2006-01-18 Ben Elliston <bje@au.ibm.com>
21776 * expr.c (emit_move_change_mode): Always adjust addresses, not
21777 just during reload. Copy replacements only during reload.
21778 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
21779 emit_move_via_integer.
21781 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
21783 * Makefile.in (check-%, check-consistency): Use $${srcdir}
21784 instead of $(srcdir) and ${srcdir}.
21786 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
21789 PR middle-end/11135
21790 * arm.h (struct machine_function): Add pic_reg.
21791 * arm.c (arm_pic_register): Make unsigned.
21792 (arm_override_options): Only set arm_pic_register if
21793 TARGET_SINGLE_PIC_BASE.
21794 (use_return_insn): Only test for a pic register if it is fixed.
21795 (arm_compute_save_reg0_reg12_mask): Likewise.
21796 (thumb_compute_save_reg_mask): Likewise.
21797 (legitimate_pic_operand): Factor out some known invariants.
21798 (legitimize_pic_address): If we don't have a fixed pic register,
21799 then set up a pseudo in the function entry sequence. Handle the
21800 pic base being in a pseudo.
21801 (arm_load_pic_register): Handle the pic register being in a pseudo.
21802 (arm_expand_prologue): Only set up the pic register if it is fixed.
21803 (thumb_expand_prologue): Likewise.
21804 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
21805 (pic_load_addr_based_insn): Likewise.
21806 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
21809 2006-01-18 Ben Elliston <bje@au.ibm.com>
21811 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
21812 decimal float modes for all floating point registers.
21814 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
21815 match_code "mem" with match_test "macho_lo_sum_memory_operand".
21817 2006-01-17 Jakub Jelinek <jakub@redhat.com>
21820 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
21821 even when the pointer is not NULL.
21823 2006-01-16 Ian Lance Taylor <ian@airs.com>
21825 * common.opt (ftoplevel-reorder): New option.
21826 * cgraph.c (cgraph_asm_nodes): New global variable.
21827 (cgraph_asm_last_node): New static variable.
21828 (cgraph_order): New global variable.
21829 (cgraph_create_node): Set new order field.
21830 (cgraph_varpool_node): Likewise.
21831 (decide_is_variable_needed): Return true if not
21832 flag_toplevel_reorder.
21833 (cgraph_add_asm_node): New function.
21834 * cgraph.h (struct cgraph_node): Add order field.
21835 (struct cgraph_varpool_node): Add order field.
21836 (struct cgraph_asm_node): Define.
21837 (cgraph_asm_nodes, cgraph_order): Declare.
21838 (cgraph_add_asm_node): Declare.
21839 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
21841 (cgraph_varpool_assemble_pending_decls): Call it.
21842 (cgraph_output_pending_asms): New static function.
21843 (cgraph_finalize_compilation_unit): Call it.
21844 (struct cgraph_order_sort): Define.
21845 (cgraph_output_in_order): New static function.
21846 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
21847 !flag_toplevel_reorder case.
21848 * c-parser.c: Include "cgraph.h".
21849 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
21851 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
21852 than -fno-unit-at-a-time.
21853 * doc/invoke.texi (Option Summary): Mention
21854 -fno-toplevel-reorder.
21855 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
21856 -funit-at-a-time documentation.
21858 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
21859 Kazu Hirata <kazu@codesourcery.com>
21861 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
21863 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
21865 * Makefile.in (FUNCTION_H): New. Use it instead of
21866 function.h throughout the file.
21867 * function.h: Include tree.h.
21869 2006-01-17 Ben Elliston <bje@au.ibm.com>
21871 * recog.c: Separate some functions with whitespace.
21873 2006-01-16 Richard Henderson <rth@redhat.com>
21875 Merge from gomp branch:
21876 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
21877 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
21878 and rename from struct inline_data. Rename callee* to dst*;
21879 caller* to src*; add copy_decl hook, transform_call_graph_edges,
21880 transform_new_cfg, transform_return_to_modify, and
21881 transform_lang_insert_block flags; remove cloning_p, versioning_p,
21883 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
21884 (copy_decl_for_dup): Remove.
21885 * tree-inline.c (struct inline_data): Move to header.
21886 (insert_decl_map): Export.
21887 (remap_decl): Update for member name changes. Use copy_decl hook.
21888 Allow for replacement to be a non-decl. Remove dead code.
21889 (remap_type_1): Check for existing mapping.
21890 (remap_type): Export.
21891 (remap_decls): Update for member name changes.
21892 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
21893 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
21894 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
21895 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
21896 (tree_function_versioning, build_duplicate_type): Likewise.
21897 (copy_body_r): Likewise. Export.
21898 (copy_decl_for_dup): Split into ...
21899 (copy_decl_for_dup_finish, copy_decl_to_var,
21900 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
21901 (replace_ref_tree, inlining_p): Remove.
21903 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21905 * ifcvt.c (if_convert): Make it static.
21906 * rtl.h: Remove the prototype for if_convert.
21908 * local-alloc.c (local_alloc): Make it static.
21909 * rtl.h: Remove the prototype for local_alloc.
21911 * loop.c (loop_optimize): Make it static.
21912 * cfgloop.h: Remove the prototype for loop_optimize.
21915 2006-01-16 DJ Delorie <dj@redhat.com>
21917 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
21920 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21922 * pa.md: Disparage copies between general and floating-point registers
21923 in 32-bit move patterns.
21925 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
21928 * Makefile.in (check-%): Depend on site.exp instead of
21929 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
21932 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21934 * global.c (global_alloc): Make it static.
21935 * rtl.h: Remove the prototype for global_alloc.
21937 2006-01-16 Richard Guenther <rguenther@suse.de>
21939 * tree-ssa-alias.c (struct used_part): Add write_only field.
21940 (get_or_create_used_part_for): Initialize it to true.
21941 (create_overlap_variables_for): Don't create structure variables
21942 for structures that only are written to.
21943 (find_used_portions): Handle MODIFY_EXPR to track whether a
21944 structure is only written to.
21946 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21948 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
21950 * basic-block.h: Remove the prototype for
21951 partition_hot_cold_basic_blocks.
21953 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
21955 * cppspec.c (lang_specific_spec_functions): Remove.
21956 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
21957 * gcc.h (lang_specific_spec_functions): Remove.
21958 * gccspec.c (lang_specific_spec_functions): Remove.
21960 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
21962 * combine.c (record_value_for_reg): Invalidate registers
21964 (record_dead_and_set_regs_1): Likewise, by passing them to
21965 record_value_for_reg.
21966 (record_dead_and_set_regs): Invalidate stores made by a
21967 call. We do not combine across a call, but we still
21968 relied on equivalences.
21970 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21972 * tree-vrp.c (extract_range_from_binary_expr): Cope with
21973 vrp_int_const_binop returning non-constant nodes.
21975 2006-01-16 Paul Brook <paul@codesourcery.com>
21977 * config/m68k/m68k.c (output_move_const_into_data_reg):
21978 Output correct mnemonic for mvz and mvs.
21980 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
21982 * rtl-factoring.c: Add sequence abstraction algorithm.
21983 * cfgcleanup.c (outgoing_edges_match): Extra checks.
21984 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
21986 (block_has_preserve_label): New function.
21987 * common.opt: Register new pass.
21988 * Makefile.in: Ditto.
21990 * timevar.def: Ditto.
21991 * tree-pass.h: Ditto.
21992 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
21993 * rtl.h (make_jump_insn_raw): Add forward decl.
21994 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
21996 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21997 Roger Sayle <roger@eyesopen.com>
21999 * fold-const.c (fold_minmax): New static function.
22000 (fold_binary) <MIN_EXPR>: Call it.
22001 <MAX_EXPR>: Likewise.
22002 * stor-layout.c (place_field): Use DECL_SIZE consistently
22003 in the computation of the new record size.
22005 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22007 * cse.c (cse_condition_code_reg): Make it static.
22008 * rtl.h: Remove the prototype for cse_condition_code_reg.
22010 * combine.c (combine_instructions): Make it static.
22011 * rtl.h: Remove the prototype for combine_instructions.
22013 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22016 * tree.c (get_file_function_name_long): Concatenate the first global
22017 object name with a string derived from the input filename of the object
22020 2006-01-16 Ben Elliston <bje@au.ibm.com>
22022 * config/i386/winnt-stubs.c: Update FSF address.
22023 * config/xtensa/ieee754-df.S: Ditto.
22024 * config/xtensa/ieee754-sf.S: Ditto.
22026 2006-01-14 Ian Lance Taylor <ian@airs.com>
22028 * ifcvt.c (noce_init_if_info): New static function, broken out of
22029 noce_process_if_block.
22030 (noce_process_if_block): Call noce_init_if_info.
22031 (check_cond_move_block): New static function.
22032 (cond_move_process_if_block): New static function.
22033 (process_if_block): Call cond_move_process_if_block.
22035 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
22037 * cselib.c (hash_table): Rename to cselib_hash_table.
22038 (cselib_clear_table, discard_useless_values,
22039 remove_useless_values, cselib_lookup_mem, cselib_lookup,
22040 cselib_init, cselib_finish): Adjust uses of hash_table.
22042 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
22044 PR tree-optimization/25485
22045 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
22046 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
22047 is known to be false and true, respectively.
22049 2006-01-14 Richard Guenther <rguenther@suse.de>
22051 PR tree-optimization/22548
22052 PR tree-optimization/22555
22053 PR tree-optimization/22501
22054 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
22055 * params.def (salias-max-array-elements): New parameter.
22056 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
22057 * doc/invoke.texi (salias-max-array-elements): Document.
22058 * tree-flow-inline.h (var_can_have_subvars): We also handle
22060 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
22062 * tree-ssa-structalias.c (params.h): Include.
22063 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
22064 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
22065 (get_constraint_for): For ADDR_EXPR operating on something
22066 containing an ARRAY_REF, add all subvars to the solution.
22067 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
22068 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
22069 for creating MUST_DEFs.
22070 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
22072 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
22074 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
22076 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
22077 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
22078 number_of_iterations_le): New functions.
22079 (number_of_iterations_special): Removed.
22080 (number_of_iterations_exit): Do not use number_of_iterations_special.
22081 * tree.c (unsigned_type_for): Always return integer type.
22083 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
22084 Richard Guenther <rguenther@suse.de>
22086 PR rtl-optimization/24257
22087 * gcse.c (find_moveable_store): Only consider a store movable
22088 when the SET_SRC of the insn can be assigned to a register.
22090 2006-01-14 Ian Lance Taylor <ian@airs.com>
22092 * tree.c (tree_not_class_check_failed): New function.
22093 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
22094 (tree_not_class_check_failed): Declare.
22096 2006-01-13 Ian Lance Taylor <ian@airs.com>
22098 * reload1.c (do_output_reload): Add assertion rejecting a
22101 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
22103 * combine.c (struct reg_stat): Add new fields truncation_label and
22105 (record_value_for_reg): Reset truncated_to_mode.
22106 (record_truncated_value): New function.
22107 (check_promoted_subreg): Call it. Rename to check_conversions.
22108 (combine_instructions): Rename check_promoted_subreg to
22110 (reg_truncated_to_mode): New function.
22111 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
22112 (gen_lowpart_or_truncate): New function.
22113 (force_to_mode): Use it instead of gen_lowpart.
22115 2006-01-13 Diego Novillo <dnovillo@redhat.com>
22117 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
22118 VAR is a tag, not its type tag.
22120 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
22122 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
22123 alternatives to match style of other entries.
22124 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
22126 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
22128 PR tree-optimization/25771
22129 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
22132 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
22135 * tree-inline.c (declare_return_variable): If the return variable
22136 was marked as a non gimple complex, set the return slot variable
22137 to be a non gimple comple variable.
22139 2006-01-13 Richard Guenther <rguenther@suse.de>
22141 * builtins.c (expand_builtin_sincos): New function.
22142 (expand_builtin_mathfn_3): Remove dead code, sin and cos
22144 (expand_builtin): Expand sincos using expand_builtin_sincos.
22146 2006-01-12 DJ Delorie <dj@redhat.com>
22148 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
22149 shift counts, separate SI shifts for m32c vs m16c, pass shift type
22150 so that constant shifts can be split.
22151 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22152 (m32c_valid_pointer_mode): Make static.
22153 (shift_gen_func_for): New.
22154 (m32c_prepare_shift): Use it. Split large const shifts into
22156 * config/m32c/predicates.md (shiftcount_operand): Allow more
22158 (longshiftcount_operand): New.
22159 * doc/md.texi (Machine Constraints): Document In6.
22161 2006-01-13 Ben Elliston <bje@au.ibm.com>
22163 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22164 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22167 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
22169 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22170 to try to avoid clobbering pieces of structures when we know
22171 something about the whole structure.
22172 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22174 2006-01-13 Ben Elliston <bje@au.ibm.com>
22176 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
22177 return in memory, as this is no limitation is no longer present.
22179 2006-01-12 DJ Delorie <dj@redhat.com>
22181 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
22182 mova with fb, and for fb+0 -> An.
22184 * config/m32c/mov.md (peephole2): Fix enabling logic.
22186 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22187 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22188 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22189 FINI_ARRAY_SECTION_ASM_OP): Define.
22191 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22193 (m32c_legitimize_reload_address): New logic to reload FB to An.
22194 (m32c_output_reg_push): Add newline.
22195 (m32c_output_reg_pop): Likewise.
22197 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
22199 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22201 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
22203 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22205 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22207 * config/sh/predicates.md (sh_rep_vec): Add parallel to
22210 2006-01-11 Ben Elliston <bje@au.ibm.com>
22212 * rtlanal.c (find_reg_note): Assert insn is not null.
22214 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22216 * df-scan.c (df_hard_reg_init): Move declaration of i outside
22219 2006-01-11 Jeff Law <law@redhat.com>
22221 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22223 (mark_threaded_blocks, register_jump_thread): New functions.
22224 (thread_through_all_blocks): Remove unwanted argument. No
22225 longer rely on e->aux to communicate thread target info.
22226 Call mark_threaded_blocks. Release the threaded_blocks
22227 bitmap and threaded_edges vector when complete.
22228 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22229 (threaded_blocks): Remove.
22230 (tree_ssa_dominator_optimize): Remove initialization and
22231 finalization of threaded_blocks. Simplify call to
22232 thread_through_all_blocks.
22233 (thread_across_edge): Call register_jump_thread rather than
22234 storing thread information into e->aux.
22235 (free_all_edge_infos): Simplify now that e->aux is no longer
22236 used to communicate with thread_through_all_blocks.
22237 * tree-flow.h (thread_through_all_blocks): Update prototype.
22238 (register_jump_thread): Prototype.
22240 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22242 * df-core.c (df_compact_blocks, df_bb_replace): Use
22243 SET_BASIC_BLOCK instead of BASIC_BLOCK.
22245 2006-01-11 Richard Guenther <rguenther@suse.de>
22247 PR tree-optimization/25734
22248 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22249 stop propagation after successful propagation to the LHS.
22251 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22253 * basic-block.h (control_flow_graph): Change the type of
22254 x_basic_block_info to VEC(basic_block,gc) *.
22255 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22257 (SET_BASIC_BLOCK): New.
22258 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22259 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22260 * cfgbuild.c (find_basic_blocks): Likewise.
22261 * cfglayout.c (fixup_reorder_chain): Likewise.
22262 * cfgrtl.c (create_basic_block_structure,
22263 rtl_create_basic_block): Likewise.
22264 * ifcvt.c (find_if_case_1): Likewise.
22265 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22268 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22270 * Makefile.in: Removed rotted odf.c entry.
22272 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
22275 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22276 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22277 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22278 output pattern modifier, not %e.
22279 * config/cris/cris.c (cris_op_str): Update comment about pattern
22281 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
22282 before falling through into...
22283 <case 'E'>: Redefined from old 'e' case.
22285 2006-01-11 Jan Hubicka <jh@suse.cz>
22288 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
22290 2006-01-11 Jan Hubicka <jh@suse.cz>
22292 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
22293 * i386.c (x86_decompose_lea): Kill.
22294 (ix86_rtx_costs): Kill.
22296 2006-01-11 Jan Hubicka <jh@suse.cz>
22298 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
22299 * cgraph.h (cgraph_node): Add inline_decl.
22300 (cgraph_insert_node_to_hashtable): Declare.
22301 (save_inline_function_body): Declare.
22302 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
22304 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
22305 (cgraph_function_versioning): Update call of tree_function_versioning.
22306 (save_inline_function_body): New function.
22307 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
22308 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
22309 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
22310 (cgraph_default_inline_p): Likewise.
22311 (cgraph_decide_inlining_incrementally): Likewise.
22312 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
22313 (copy_bb): Kill saving; do updating of clones.
22314 (copy_cfg_body): Kill saving.
22315 (initialize_inlined-parameters): Likewise.
22316 (expand_call_inline): Likewise.
22318 (tree_function_versioning): New parameter "update_clones".
22319 (inlining_p): Kill saving.
22320 * tree-inline.h (tree_function_versioning): Update prototype.
22321 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
22324 2006-01-11 Ian Lance Taylor <ian@airs.com>
22326 * combine.c (struct undo): Remove is_int. Enumify types of undos.
22327 Allow undoing set of machine mode.
22328 (do_SUBST): Use enums instead of is_int.
22329 (do_SUBST_MODE): New function.
22330 (SUBST_MODE): New macro.
22331 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
22332 reg and trying to replace reg_regno_rtx with a new register.
22333 (undo_all): Use new enums, handle undoing a PUT_MODE change.
22334 (simplify_set): Use SUBST_MODE.
22335 (distribute_notes): Remove code that tried to update reg notes
22336 for regno_reg_rtx changes.
22338 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
22340 PR tree-optimization/23109
22341 PR tree-optimization/23948
22342 PR tree-optimization/24123
22344 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
22345 * tree-cfg.c (single_noncomplex_succ): New.
22346 * tree-flow.h (single_noncomplex_succ): Declare it.
22347 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22348 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22349 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
22350 insert_bb, register_division_in, insert_reciprocals,
22351 replace_reciprocal, free_bb): New.
22352 (execute_cse_reciprocals_1): Rewritten.
22353 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
22354 Do not commit any edge insertion. Always compute dominators and
22355 create the allocation pool.
22356 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
22357 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
22358 * targhooks.c (default_min_divistions_for_recip_mul): New.
22359 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
22360 * passes.c (init_optimization_passes): Run recip after tree loop
22362 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
22364 2006-01-11 Danny Berlin <dberlin@dberlin.org>
22365 Kenneth Zadeck <zadeck@naturalbridge.com>
22367 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
22368 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
22369 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
22370 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
22371 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
22372 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
22373 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
22374 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
22375 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
22376 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
22377 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
22378 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
22379 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
22380 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
22381 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
22382 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
22383 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
22384 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
22385 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
22386 DF_SCAN_POST_ALLOC): New macros.
22387 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
22388 df_free_bb_function, df_local_compute_function, df_init_function,
22389 df_dataflow_function, df_confluence_function_0,
22390 df_confluence_function_n, df_transfer_function,
22391 df_finalizer_function, df_free_function, df_dump_problem_function,
22392 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
22393 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
22394 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
22395 df_urec_bb_info, ) New types.
22396 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
22398 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
22399 df_analyze_simple_change_some_blocks,
22400 df_analyze_simple_change_one_block, df_compact_blocks,
22401 df_bb_replace, df_bb_regno_last_use_find,
22402 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
22403 df_insn_regno_def_p, df_find_def, df_find_use,
22404 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
22405 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
22406 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
22407 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
22408 debug_df_chain, df_get_dependent_problem, df_chain_create,
22409 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
22410 df_grow_bb_info, df_chain_dump, df_print_bb_index,
22411 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
22412 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
22413 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
22414 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
22415 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
22416 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
22417 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
22418 df_ref_remove, df_insn_refs_delete, df_refs_delete,
22419 df_reorganize_refs, df_set_state, df_hard_reg_init,
22420 df_read_modify_subreg_p) New public functions.
22421 * df-core.c: The core dataflow solver and glue routines for rtl
22423 (df_init, df_add_problem, df_set_blocks, df_finish,
22424 df_hybrid_search_forward, df_hybrid_search_backward,
22425 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
22426 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
22427 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
22428 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
22429 df_reg_defined, df_find_use, df_reg_used, df_dump,
22430 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22431 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22432 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22433 debug_df_useno, reset_df_after_reload): New functions.
22434 * df-scan.c: The scanning fuctions, once in df.c, completely
22435 rewritten so that they now fully model the functionality of
22436 register usage at the backend.
22437 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22438 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22439 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22440 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22441 df_get_artificial_defs, df_get_artificial_uses,
22442 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22443 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22444 df_refs_delete, df_reorganize_refs, df_set_state,
22445 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22446 df_def_record_1, df_defs_record, df_uses_record,
22447 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22448 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22449 df_record_exit_block_uses, df_hard_reg_init): New functions.
22451 * df-problems.c: Seven concrete dataflow problems that use the
22452 scanning in df-scan.c and are solved by the engine in df-core.c.
22453 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22454 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22455 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22456 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22457 df_ru_free_bb_info, df_ru_alloc,
22458 df_ru_bb_local_compute_process_def,
22459 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22460 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22461 df_ru_transfer_function, df_ru_free, df_ru_dump,
22462 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22463 df_rd_free_bb_info, df_rd_alloc,
22464 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22465 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22466 df_rd_transfer_function, df_rd_free, df_rd_dump,
22467 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22468 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22469 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22470 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22471 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22472 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22473 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22474 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22475 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22476 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22477 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22478 df_urec_mark_reg_use_for_earlyclobber,
22479 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22480 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22481 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22482 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22483 df_chain_create_bb_process_use, df_chain_create_bb,
22484 df_chain_finalize, df_chain_free, df_chains_dump,
22485 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22486 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22487 df_reg_lifetime): New functions.
22488 * df.c: Deleted file.
22489 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22490 consistent with new df api.
22491 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22492 rest_of_handle_sms): Ditto.
22493 * web.c (unionfind_union, union_defs, entry_register, web_main):
22495 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22496 invariant_expr_equal_p, find_defs, check_dependencies,
22497 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22498 free_inv_motion_data, move_loop_invariants): Ditto.
22499 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22500 Update dependencies.
22501 (odf.c): Added defective entry that was deleted later in day.
22502 * sched-deps.c (sched_analyze_1): Ditto.
22504 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22506 * tree-ssa-operands.c (get_expr_operands): Record addressable
22507 variables directly. Do not call add_stmt_operands for CONST_DECLs
22509 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22510 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22512 2006-01-11 Ben Elliston <bje@au.ibm.com>
22514 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22515 function returns true in the positive case.
22517 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22520 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22521 for SI, DI, SF and DF modes. Add alternatives to copy between
22522 general and floating point registers to the 32-bit patterns.
22523 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22524 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22525 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22526 generating 64-bit code.
22527 * config/pa/pa.c (output_move_double): Handle copies between general
22528 and floating registers.
22530 2006-01-10 Stuart Hastings <stuart@apple.com>
22532 * config/i386/i386.md (set_got): Update.
22533 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22534 (builtin_setjmp_receiver): Mach-O support.
22535 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22536 (GOT_SYMBOL_NAME): Define.
22537 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22538 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22539 * config/i386/i386.c (override_options): Revise for Darwin.
22540 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22541 support. (darwin_x86_file_end): New. (output_set_got): Add label
22542 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22543 * config/i386/i386-protos.h (output_set_got): Likewise.
22544 * config/darwin.c (machopic_legitimize_pic_address): Update
22547 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22549 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22550 when MODE isn't BLKmode.
22552 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22554 PR rtl-optimization/25367
22555 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22557 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22560 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22561 for a negative bound.
22563 2006-01-10 Richard Guenther <rguenther@suse.de>
22565 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22566 Never override with anything constraint.
22568 2006-01-10 Jan Beulich <jbeulich@novell.com>
22570 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22571 256 bits when optimize_size.
22573 2006-01-10 Jan Beulich <jbeulich@novell.com>
22575 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22577 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22578 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22581 2006-01-10 Ben Elliston <bje@au.ibm.com>
22583 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22585 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22586 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22587 (USE_FP_FOR_ARG): Reject decimal float modes.
22588 (function_arg_advance): Likewise.
22589 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22590 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22591 point types in AltiVec vectors.
22592 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22593 (rs6000_libcall_value): Likewise.
22595 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22597 * config/xtensa/ieee754-df.S: New file.
22598 * config/xtensa/ieee754-sf.S: New file.
22599 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22600 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22601 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22603 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22605 * config/sh/predicates.md (binary_float_operator,
22606 binary_logical_operator, commutative_float_operator,
22607 equality_comparison_operator, greater_comparison_operator,
22608 less_comparison_operator, logical_operator,
22609 noncommutative_float_operator, shift_operator,
22610 symbol_ref_operand, unary_float_operator): Remove redundant
22613 2006-01-09 Jeff Law <law@redhat.com>
22615 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22616 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22617 now unused arguments. Callers updated.
22618 (eliminate_redundant_computations): Remove now unused arguments,
22620 (local_fold): Remove, no longer used.
22621 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22623 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22624 (simplify_cond): New function.
22625 (forward_propagate_into_cond): Call simplify_cond.
22627 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22629 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22630 (*vec_extractv2di_1_sse): New.
22632 2006-01-09 Ben Elliston <bje@au.ibm.com>
22634 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22636 2006-01-08 Richard Guenther <rguenther@suse.de>
22638 * tree-ssa-structalias.c (get_constraint_for): Remove
22639 anyoffset argument.
22640 (get_constraint_for_component_ref): Likewise.
22641 (do_deref): Likewise.
22642 (get_constraint_for): Likewise.
22643 (do_structure_copy): Likewise.
22644 (handle_ptr_arith): Likewise.
22645 (find_func_aliases): Likewise. Remove unused need_anyoffset
22648 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
22649 Kaz Kojima <kkojima@gcc.gnu.org>
22651 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
22652 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
22653 (EXTRA_CONSTRAINT_C16): Remove.
22654 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
22655 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
22656 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
22657 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
22658 constants of SHmedia. Handle nested constant expressions of
22660 (andcosts): Fix the costs for SHmedia constants.
22661 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
22662 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
22663 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
22664 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
22665 (movv4hi_i, movv2si_i): Likewise.
22666 (movsi_const): Adjust the second operand of ior so to match with
22667 the Csu constraint.
22668 (movdi_const, movdi_const_32bit): Likewise.
22669 (movdi_const_16bit+1): Don't sign-extend LOW.
22670 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
22672 (*double_shori): Fix the split condition. Use GEN_INT instead
22673 of get_int_mode calls. Mask lower 16-bit of the argument of
22675 (sym2GOTPLT): Remove.
22676 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
22678 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
22679 instead of EXTRA_CONSTRAINT_C16.
22681 2006-01-07 Ian Lance Taylor <ian@airs.com>
22682 David Edelsohn <edelsohn@gnu.org>
22684 PR rtl-optimization/25662
22685 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
22686 for constant operands instead of simplify_gen_binary.
22687 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
22688 after trying simplify_binary_operation
22690 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
22692 * tree.c (iterative_hash_expr): Hash decls based on UID.
22694 2006-01-06 Eric Christopher <echristo@apple.com>
22696 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
22697 (TARGET_UNWIND_EMIT): Fix spelling.
22698 * target.h (gcc_target): Add except_table_label.
22699 * except.c (output_function_exception_table): Use.
22700 * varasm.c (default_emit_except_table_label): New.
22701 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
22703 (asm_out): Add here.
22704 * output.h (default_emit_except_table_label): Prototype.
22705 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
22706 * config/darwin.c (darwin_emit_except_table_label): Define.
22707 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
22709 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
22711 PR tree-optimization/18527
22712 * tree-ssa-loop-niter.c (number_of_iterations_cond,
22713 number_of_iterations_special, number_of_iterations_exit):
22714 Move base and step of an iv to a single structure. Add
22715 no_overflow flag, and use it in # of iterations analysis.
22716 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
22717 folded_casts argument.
22718 (simple_iv): Pass base and step in a structure. Set no_overflow
22720 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
22721 Evaluate expensiveness of computing # of iterations instead of
22722 the final expression.
22723 * tree-scalar-evolution.h (affine_iv): New structure.
22724 (simple_iv): Declaration changed.
22725 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
22726 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
22727 find_givs_in_stmt): Changed due to simple_iv change.
22729 2006-01-06 Jeff Law <law@redhat.com>
22732 * tree-cfg.c (bsi_replace): Rename final argument from
22733 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
22734 change (stmt -> orig_stmt).
22735 * tree-eh.c (verify_eh_throw_stmt_node): New function.
22736 (bsi_remove): Add new argument. Remove EH information
22738 (verify_eh_throw_table_statements): New function.
22739 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
22741 * tree-optimize.c (execute_free_cfg_annotations): Verify
22742 the EH throw statement table after removing annotations.
22743 * except.h (verify_eh_throw_table_statements): Prototype.
22744 * tree-flow.h (bsi_remove): Update prototype.
22745 * tree-vrp.c (remove_range_assertions): Add new argument to
22747 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
22748 * tree-complex.c (expand_complex_div_wide): Likewise.
22749 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
22750 * tree-tailcall.c (eliminate_tailcall): Likewise.
22751 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
22752 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
22753 * tree-nrv.c (tree_nrv): Likewise.
22754 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
22755 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
22756 (combine_blocks): Likewise.
22757 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
22758 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
22759 (cleanup_control_flow): Likewise.
22760 (remove_forwarder_block): Likewise.
22761 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
22762 * tree-sra.c (sra_replace): Likewise.
22763 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
22764 (forward_propagate_single_use_vars): Likewise.
22765 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
22766 * tree-inline.c (expand_call_inline): Likewise.
22767 * tree-vect-transform.c (vect_transform_loop): Likewise.
22768 * tree-outof-ssa.c (rewrite_trees): Likewise.
22769 * tree-cfg.c (make_goto_expr_edges): Likewise.
22770 (cleanup_dead_labels): Likewise.
22771 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
22772 (bsi_move_before, bsi_move_after): Likewise.
22773 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
22774 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
22776 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
22779 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
22781 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
22782 on non gimple variables. Also add checks at the top for decls and
22784 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
22786 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
22787 and IMAGPART_EXPR for creating MUST_DEFs.
22788 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
22789 and NAME_MEMORY_TAG separately from the DECLs.
22791 2006-01-06 Richard Guenther <rguenther@suse.de>
22793 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
22794 annotation, if necessary.
22795 * tree-ssa-pre.c (create_expression_by_pieces): Remove
22796 redundant calls to update_stmt.
22797 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
22800 2006-01-05 Richard Henderson <rth@redhat.com>
22802 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
22804 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22806 * c-typeck.c: Update copyright date.
22808 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22810 * c-typeck.c (build_c_cast): Always warn when casting
22811 from a pointer to an integer of different size, even if
22812 the node was constant.
22814 2006-01-05 Richard Guenther <rguenther@suse.de>
22816 PR tree-optimization/22555
22817 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
22818 if one structure field is an array.
22819 * tree-ssa-operands.c (get_expr_operands): Continue scanning
22820 operands even if we found a subvar, but ignore VOPs in this
22822 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
22824 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
22826 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
22828 PR middle-end/24998
22829 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
22831 2006-01-05 Richard Guenther <rguenther@suse.de>
22832 Diego Novillo <dnovillo@redhat.com>
22834 * tree-pass.h (TODO_remove_unused_locals): Define.
22835 * gimple-low.c (expand_var_p, remove_useless_vars,
22836 pass_remove_useless_vars): Remove. Update all users.
22837 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
22838 (remove_unused_locals): New function.
22839 * tree-flow.h (remove_unused_locals): Declare.
22840 * passes.c (execute_todo): Call remove_unused_locals if
22841 TODO_remove_unused_locals is set.
22842 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
22843 * tree-ssa-dce.c (pass_dce): Likewise.
22844 * tree-outof-ssa.c (pass_del_ssa): Likewise.
22846 2006-01-05 Richard Guenther <rguenther@suse.de>
22848 * tree-flow.h (struct fieldoff): Decompose field to
22849 type, size and decl.
22850 * tree-ssa-alias.c (create_sft): Take type as parameter.
22851 (create_overlap_variables_for): Store type, size and decl
22852 in the fieldoff structure.
22853 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
22854 of struct fieldoff.
22855 (push_fields_onto_fieldstack): Likewise.
22856 (create_variable_info_for): Likewise. Use offset for the
22857 SFT name if the decl is not available.
22859 2006-01-04 Paul Brook <paul@codesourcery.com>
22861 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
22863 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
22865 * lambda-code.c (can_put_in_inner_loop): Relax
22867 (can_put_after_inner_loop): New function.
22868 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
22869 (perfect_nestify): Change to make copies and modify uses.
22871 2006-01-04 Richard Henderson <rth@redhat.com>
22873 Merge from gomp branch:
22874 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
22875 via integer constant.
22876 (pragma_lex): Remove.
22877 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
22878 rather than parsing it.
22879 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
22880 handle_pragma_extern_prefix): Add %< %> quotes.
22881 (registered_pragmas): New.
22882 (c_register_pragma_1): New.
22883 (c_register_pragma): Use it.
22884 (c_register_pragma_with_expansion): Likewise.
22885 (c_invoke_pragma_handler): New.
22886 (init_pragma): Use cpp_register_deferred_pragma directly for
22888 * c-pragma.h (enum pragma_kind): New.
22889 (pragma_handler): New.
22890 (c_invoke_pragma_handler): Declare.
22891 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
22893 * c-common.h (c_common_pch_pragma): Update decl.
22894 * Makefile.in (c-parser.o): Update dependencies.
22895 (GTFILES): Add c-pragma.h.
22896 * c-parser.c (struct c_token): Add pragma_kind.
22897 (struct c_parser): Add in_pragma.
22898 (c_lex_one_token): Always initialize keyword and pragma_kind.
22899 Extract data for CPP_PRAGMA.
22900 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
22901 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
22902 Don't allow CPP_PRAGMA_EOL if in_pragma.
22903 (c_parser_consume_pragma): New.
22904 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
22905 (c_parser_skip_to_end_of_parameter): Likewise.
22906 (c_parser_skip_to_end_of_block_or_statement): Likewise.
22907 (c_parser_skip_to_pragma_eol): New.
22908 (c_parser_external_declaration): Handle CPP_PRAGMA.
22909 (c_parser_compound_statement_nostart): Likewise.
22910 (c_parser_statement_after_labels): Likewise.
22911 (c_parser_pragma): New.
22912 (pragma_lex): Likewise.
22913 (c_parser_pragma_pch_preprocess): New.
22914 (c_parser_new): Merge into ...
22915 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
22917 2006-01-04 Jeff Law <law@redhat.com>
22920 * tree-cfg.c (bsi_replace): Remove the original statement
22921 from the EH throw statement table.
22923 2006-01-04 Jakub Jelinek <jakub@redhat.com>
22925 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
22926 make the prototype extern "C" and add throw ().
22929 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
22930 and pos non-negative and pos + len <= 32.
22931 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
22932 drop pos + len < HOST_BITS_PER_WIDE_INT test.
22933 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
22936 * c-common.c (handle_vector_size_attribute): Reject zero vector size
22937 as well as sizes not multiple of component size.
22940 * function.c (instantiate_expr): New function.
22941 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
22942 walk its DECL_VALUE_EXPR with instantiate_expr.
22944 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
22945 DW_OP_deref{,_size} if address isn't going to be added.
22947 2006-01-04 Ben Elliston <bje@au.ibm.com>
22949 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
22950 * config/fp-bit.c: Likewise.
22952 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
22954 * dominance.c: Add comment about why we use DFS numbering
22957 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22958 Richard Henderson <rth@redhat.com>
22960 Merge from gomp-branch:
22961 * varasm.c (assemble_variable): Handle thread-local COMMON data.
22962 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
22964 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
22966 PR rtl-optimization/25578
22967 * combine.c (combine_simplify_rtx, force_to_mode): Don't
22968 pass a parameter to simplify_shift_const if changing ASHIFTRT
22971 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
22973 * builtins.c (get_builtin_sync_mem): New function.
22974 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
22975 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
22976 Call get_builtin_sync_mem to generate mem rtx.
22978 2006-01-03 Richard Guenther <rguenther@suse.de>
22981 * stmt.c (add_case_node): Make sure to clear overflow flags
22984 2006-01-03 Jakub Jelinek <jakub@redhat.com>
22986 Merge from gomp-branch.
22987 * config/sparc/sync.md: New file.
22988 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
22989 UNSPECV_LDSTUB): New constants.
22990 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
22991 * config/sparc/predicates.md (memory_reg_operand): New predicate.
22992 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
22995 2006-01-03 Roger Sayle <roger@eyesopen.com>
22997 * combine.c (reg_subword_p): New predicate to test whether the
22998 destination of a set refers to a subword/piece of a register.
22999 (try_combine): Generalize the code to merge the setting of a
23000 pseudo to a constant followed by a set of a subword of that
23001 register to a constant.
23003 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
23005 * basic-block.h (control_flow_graph): Change the type of
23006 x_label_to_block_map to VEC(basic_block,gc) *.
23007 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
23008 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
23010 * tree-ssa-propagate.c (cfg_blocks): Change the type to
23011 VEC(basic_block,heap) *.
23012 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
23013 ssa_prop_fini): Adjust the uses of cfg_blocks.
23015 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
23017 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
23019 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
23020 hashing trees instead of a pointer hash.
23021 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
23022 compare for MEM_EXPR.
23024 PR rtl-optimization/25130
23025 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
23026 when comparing MEMs for GCSE
23028 2006-01-03 Ben Elliston <bje@au.ibm.com>
23030 * targhooks.h (default_decimal_float_supported_p): Declare.
23031 * targhooks.c (default_decimal_float_supported_p): Define.
23032 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
23033 `default_decimal_float_supported_p'.
23034 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
23036 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
23038 * combine.c (apply_distributive_law <SUBREG>): Check
23039 TRULY_NOOP_TRUNCATION.
23041 2006-01-02 Geoffrey Keating <geoffk@apple.com>
23043 * dwarf2out.c (have_switched_text_section): Delete.
23044 (have_multiple_function_sections): New.
23045 (have_location_lists): Make 'bool'.
23046 (add_AT_loc_list): Use 'true' not '1'.
23047 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
23048 (output_loc_list): Use have_multiple_function_sections.
23049 (output_ranges): Likewise.
23050 (dwarf2out_begin_function): Set have_multiple_function_sections if
23052 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
23053 Check function_section rather than DECL_SECTION_NAME.
23054 (dwarf2out_finish): Use have_multiple_function_sections.
23055 Don't clear have_location_lists.
23057 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
23058 Jan Hubicka <jh@suse.cz>
23060 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
23061 case of conditional jump jumping to the next instruction.
23062 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
23063 cases of conditional jump jumping to the next instruction.
23065 2006-01-02 Jan Hubicka <jh@suse.cz>
23067 * i386.c (*_cost): Add COSTS_N_INSNS.
23068 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
23070 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
23073 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
23075 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
23077 * config/arm/arm.c (all_fpus): Fix comment typo.
23078 * config/darwin.c: Likewise.
23079 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
23080 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
23081 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
23083 2006-01-01 David Edelsohn <edelsohn@gnu.org>
23085 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
23086 (rs6000_split_compare_and_swapqhi): New.
23087 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
23088 (sync_compare_and_swapqhi_internal): New.
23089 * config/rs6000/rs6000-protos.h: Declare.