1 2010-05-11 Jan Hubicka <jh@suse.cz>
4 * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of queue.
5 (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
7 (estimate_function_body_sizes): Compute sizes even when disregarding.
9 2010-05-11 Kai Tietz <kai.tietz@onevision.com>
11 * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
13 2010-05-11 Jan Hubicka <jh@suse.cz>
15 * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
18 2010-05-11 Jan Hubicka <jh@suse.cz>
20 * matrix-reorg.c (matrix_reorg): Rebuild edges.
22 2010-05-11 Jan Hubicka <jh@suse.cz>
24 * lto-streamer.c (lto_streamer_cache_add_to_node_array,
25 lto_streamer_cache_delete): Put nodes into heap.
26 * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
29 2010-05-11 Jan Hubicka <jh@suse.cz>
31 * cgraphbuild.c (cgraph_rebuild_references): New.
32 * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
34 * cgraph.h (cgraph_rebuild_references): Declare.
35 * tree-inline.c (tree_function_versioning): Use it.
36 * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
38 2010-05-11 Jan Hubicka <jh@suse.cz>
40 * cgraph.c: Include ipa-utils.h
41 (cgraph_create_virtual_clone): Update references.
42 * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
44 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
46 * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
47 prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
50 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
52 * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
54 2010-05-11 Jakub Jelinek <jakub@redhat.com>
56 * gcc.c (execute): For -### don't quote arguments that
57 contain just alphanumerics and _/-. characters.
58 * doc/invoke.texi: Document that change for -###.
61 * df-problems.c (struct dead_debug): Add to_rescan field.
62 (dead_debug_init): Clear to_rescan field.
63 (dead_debug_finish): Rescan all debug insns in to_rescan
64 bitmap and free the bitmap.
65 (dead_debug_insert_before): Instead of rescanning debug insns
66 immediately queue their rescanning until dead_debug_finish.
67 (df_note_bb_compute): After dead_debug_add do continue instead
70 2010-05-10 Jakub Jelinek <jakub@redhat.com>
73 * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
74 clear also INSN_REG_USE_LIST.
76 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
78 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
80 2010-05-10 Jan Hubicka <jh@suse.cz>
82 * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally commited change.
84 2010-05-10 Jan Hubicka <jh@suse.cz>
86 * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
88 * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
89 * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
90 (lto_streamer_cache_create): Init alloc pool.
91 (lto_streamer_cache_delete): Free alloc pool.
92 * lto-streamer.h: Include alloc pool.
93 (lto_streamer_cache_d): Use alloc pool.
94 * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
96 2010-05-10 Jan Hubicka <jh@suse.cz>
98 * Makefile.in (cgraphbuild.o): Add dependency on except.h.
99 * cgraphbuild.c: Include except.h
100 (record_type_list, record_eh_tables): New function.
101 (build_cgraph_edges, rebuild_cgraph_edges): Use it.
103 2010-05-10 Jan Hubicka <jh@suse.cz>
105 * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
106 __frame_dummy_init_array_entry, force_to_data): Attribute as used
109 2010-05-10 Michael Matz <matz@suse.de>
111 * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
112 (can_reassociate_p): Use FLOAT_TYPE_P.
113 * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
114 (vect_force_simple_reduction): ... this.
115 * tree-parloops.c (gather_scalar_reductions): Use
116 vect_force_simple_reduction.
117 * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
118 vect_is_simple_reduction, add modify argument, if true rewrite
120 (vect_is_simple_reduction, vect_force_simple_reduction): New
122 (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
124 2010-05-10 H.J. Lu <hongjiu.lu@intel.com>
125 Vladimir Makarov <vmakarov@redhat.com>
127 PR rtl-optimization/44012
128 * ira-build.c (remove_unnecessary_allocnos): Nullify
129 regno_allocno_map of the removed allocno.
131 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
133 * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
135 * configure: Regenerate.
137 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
139 * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
141 Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
142 * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
144 * configure: Regenerate.
146 2010-05-10 Richard Guenther <rguenther@suse.de>
148 * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
149 marked if the entry identifier is marked.
151 2010-05-10 Richard Guenther <rguenther@suse.de>
153 * c-common.c (struct c_common_attributes): Add fnspec attribute.
154 (handle_fnspec_attribute): New function.
155 * gimple.h (gimple_call_return_flags): Declare.
156 (gimple_call_arg_flags): Likewise.
157 * gimple.c (gimple_call_arg_flags): New function.
158 (gimple_call_return_flags): Likewise.
159 * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
161 (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
163 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
164 * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
166 (make_heapvar_for): ... this new function.
167 (handle_rhs_call): Handle fnspec attribute argument specifiers.
168 (handle_lhs_call): Likewise.
169 (find_func_aliases): Adjust.
171 2010-05-10 Richard Guenther <rguenther@suse.de>
173 PR tree-optimization/44050
174 * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
176 2010-05-10 Wei Guozhi <carrot@google.com>
179 * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
181 2010-05-09 Joseph Myers <joseph@codesourcery.com>
184 * c-typeck.c (lookup_field): Take a type directly. Update
186 (build_component_ref): Update call to lookup_field.
187 (set_init_label): Use lookup_field to find initialized field.
188 Handle returned list of fields like a sequence of designators.
190 2010-05-09 Richard Guenther <rguenther@suse.de>
193 * fold-const.c (tree_single_nonzero_warnv_p): Properly
194 handle &FUNCTION_DECL.
196 2010-05-09 Joseph Myers <joseph@codesourcery.com>
199 * c-decl.c (detect_field_duplicates_hash): New. Handle anonymous
200 structures and unions recursively.
201 (detect_field_duplicates): Move duplicate detection with a hash to
202 detect_field_duplicates_hash. Always use a hash if anonymous
203 structures or unions are present.
204 * doc/extend.texi (Unnamed Fields): Document that duplicate fields
207 2010-05-09 H.J. Lu <hongjiu.lu@intel.com>
210 * config/i386/driver-i386.c (host_detect_local_cpu): Properly
211 detect Atom, Core 2 and Core i7.
213 2010-05-09 Richard Guenther <rguenther@suse.de>
215 * gcc.c (store_arg): Handle temporary file deletion for
218 2010-05-09 Richard Guenther <rguenther@suse.de>
221 * ipa-inline.c (estimate_function_body_sizes): Return after
222 disregarding inline limits.
224 2010-05-09 Richard Guenther <rguenther@suse.de>
226 * gcc.c (store_arg): Revert last change.
228 2010-05-08 Sandra Loosemore <sandra@codesourcery.com>
231 * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
232 (optimize_ops_list): Call it.
234 2010-05-08 Richard Guenther <rguenther@suse.de>
236 PR tree-optimization/44030
237 * tree-ssa-pre.c (eliminate): Copy NECESSARY flag. Set
238 NECESSARY flag if we propagate from a inserted expression.
240 2010-05-08 Eric Botcazou <ebotcazou@adacore.com>
242 * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
243 domain types as equal if they are both PLACEHOLDER_EXPRs.
245 2010-05-08 Richard Guenther <rguenther@suse.de>
247 * lto-wrapper.c (run_gcc): Remove linker output from
248 command line for LTRANS invocation.
250 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
252 * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
253 lto-macho as lto_binary_reader.
254 * target.h (struct gcc_target): New hooks lto_start and lto_end.
255 * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
256 * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
257 in lto_start and lto_end calls.
258 (is_elf_or_coff): Rename to maybe_lto_object_file. Add Mach-O
260 (scan_prog_file): Update is_elf_or_coff call.
261 * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
263 * collect2.c (main): Fix enum comparison.
265 * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
267 * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
268 * darwin.h (LINK_COMMAND_SPEC): Likewise. Define TARGET_ASM_LTO_START
269 and TARGET_ASM_LTO_END.
270 * darwin.c: Include obstack.h and lto-streamer.h.
271 (lto_section_names_offset, lto_section_names_obstack,
272 lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
274 (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
275 (darwin_asm_lto_start): New function. Redirect output to asm_out_file
277 (darwin_asm_lto_end): New function. Restore asm_out_file.
278 (darwin_asm_named_section): For LTO sections, replace the name with
279 the offset of the section name in a string table, and build this
281 (darwin_file_start): Initialize global vars for LTO support.
282 (darwin_file_end): If output to asm_out_file was redirected, append it
283 to the proper asm_out_file here. Add the section names section.
285 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
287 * c-pragma.c (pending_weak_d, pending_weak): New.
288 (pending_weaks): Change the type to VEC((pending_weak,gc) *.
289 (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
290 handle_pragma_weak): Update the uses of pending_weaks.
292 2010-05-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
294 PR documentation/44016
295 * doc/standards.texi (Standards): Link to unversioned
296 cxx0x_status.html page.
298 2010-05-07 Iain Sandoe <iains@gcc.gnu.org>
301 * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
302 in addition to TREE_USED, to avoid "set but unused" warnings.
304 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
306 * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
307 (is_loop_prefetching_profitable): Do not insert prefetches
308 when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
309 times the prefetch ahead distance.
311 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
313 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
314 Account for loop unrolling in the insn-to-prefetch ratio heuristic.
315 (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
318 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
320 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
321 a diagnostic info when the insn-to-mem ratio is too small.
323 2010-05-07 Richard Guenther <rguenther@suse.de>
325 * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
327 (store_arg): Queue temp_filename for deletion instead of
330 2010-05-07 Richard Guenther <rguenther@suse.de>
332 * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
333 (run_gcc): Handle LTRANS phase invocation.
334 * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
336 2010-05-07 Jakub Jelinek <jakub@redhat.com>
338 * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
339 this is also meaningful on PARM_DECLs and RESULT_DECLs.
341 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
343 * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
345 2010-05-07 Richard Guenther <rguenther@suse.de>
347 PR tree-optimization/44020
348 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
349 code when PRE is not yet initialized.
351 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
353 * config/mips/dbxmdebug.h: Remove.
354 * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
356 2010-05-07 Shujing Zhao <pearly.zhao@oracle.com>
358 * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
359 with null pointer and also warn about ordered comparison of zero with
362 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
364 * graphite-blocking.c
365 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
366 * graphite-clast-to-gimple.c
367 (clast_to_gcc_expression): Same.
368 (precision_for_value): Same.
369 (precision_for_interval): Same.
370 (gcc_type_for_interval): Same.
371 (graphite_create_new_guard): Same.
372 (compute_bounds_for_level): Same.
373 (graphite_create_new_loop_guard): Same.
374 * graphite-interchange.c
375 (build_linearized_memory_access): Same.
376 (pdr_stride_in_loop): Same.
377 (memory_strides_in_loop_1): Same.
378 (memory_strides_in_loop): Same.
379 (extend_scattering): Same.
380 (psct_scattering_dim_for_loop_depth): Same.
381 (pbb_number_of_iterations): Same.
383 (debug_iteration_domains): Same.
385 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
386 (ppl_set_inhomogeneous_gmp): Same.
387 (ppl_strip_loop): Same.
388 (ppl_lexico_compare_linear_expressions): Same.
389 (ppl_read_polyhedron_matrix): Same.
390 (ppl_max_for_le_pointset): Same.
392 (ppl_read_polyhedron_matrix): Same.
393 (tree_int_to_gmp): Same.
394 (gmp_cst_to_tree): Same.
395 (ppl_set_inhomogeneous): Same.
396 (ppl_set_inhomogeneous_tree): Same.
397 (ppl_set_coef): Same.
398 (ppl_set_coef_tree): Same.
399 * graphite-sese-to-poly.c
400 (build_pbb_scattering_polyhedrons): Same.
401 (build_scop_scattering): Same.
402 (scan_tree_for_params_right_scev): Same.
403 (scan_tree_for_params): Same.
404 (find_params_in_bb): Same.
405 (find_scop_parameters): Same.
406 (add_upper_bounds_from_estimated_nit): Same.
407 (build_loop_iteration_domains): Same.
408 (add_condition_to_domain): Same.
409 (pdr_add_memory_accesses): Same.
411 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
413 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
414 CLooG's value_* macros to their respective mpz_* counterparts.
415 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
416 (graphite_create_new_loop_guard): Same.
417 * graphite-interchange.c (build_linearized_memory_access): Same.
418 (pdr_stride_in_loop): Same.
419 (memory_strides_in_loop_1): Same.
420 (1st_interchange_profitable_p): Same.
421 * graphite-poly.c (extend_scattering): Same.
422 (psct_scattering_dim_for_loop_depth): Same.
423 (pbb_number_of_iterations): Same.
424 (pbb_number_of_iterations_at_time): Same.
425 * graphite-poly.h (new_1st_loop): Same.
426 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
427 (oppose_constraint): Same.
428 (insert_constraint_into_matrix): Same.
429 (ppl_set_inhomogeneous_gmp): Same.
430 (ppl_set_coef_gmp): Same.
431 (ppl_strip_loop): Same.
432 (ppl_lexico_compare_linear_expressions): Same.
433 (ppl_max_for_le_pointset): Same.
434 (ppl_min_for_le_pointset): Same.
435 (ppl_build_realtion): Same.
436 * graphite-ppl.h (gmp_cst_to_tree): Same.
437 (ppl_set_inhomogeneous): Same.
438 (ppl_set_inhomogeneous_tree): Same.
439 (ppl_set_coef): Same.
440 (ppl_set_coef_tree): Same.
441 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
442 (build_scop_scattering): Same.
443 (add_value_to_dim): Same.
444 (scan_tree_for_params_right_scev): Same.
445 (scan_tree_for_params_int): Same.
446 (scan_tree_for_params): Same.
447 (find_params_in_bb): Same.
448 (find_scop_parameters): Same.
449 (add_upper_bounds_from_estimated_nit): Same.
450 (build_loop_iteration_domains): Same.
451 (create_linear_expr_from_tree): Same.
452 (add_condition_to_domain): Same.
453 (pdr_add_memory_accesses): Same.
455 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
456 Jason Merrill <jason@redhat.com>
458 * c-common.c (c_common_reswords): Add nullptr.
459 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
460 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
461 (gen_type_die_with_usage): Likewise.
462 * dbxout.c (dbxout_type): Likewise.
463 * sdbout.c (plain_type_1): Likewise.
465 2010-05-06 Jason Merrill <jason@redhat.com>
467 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
468 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
470 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
472 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
473 stripping WITH_SIZE_EXPR.
474 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
477 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
479 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
480 list of obsolete configurations.
481 Disabled check for obsolete configurations.
482 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
483 Removed support for previous versions.
484 * config/mips/iris.h: Removed.
485 * config/mips/iris5.h: Removed.
486 * config/mips/iris6.h: Merged old iris.h contents.
487 (TARGET_IRIX): Removed.
488 (DRIVER_SELF_SPECS): Removed mabi=32.
489 (IDENT_ASM_OP): Removed undef.
490 (STARTFILE_SPEC): Removed mabi=32.
491 (ENDFILE_SPEC): Likewise.
492 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
493 (MACHINE_TYPE): Update for IRIX 6.5.
494 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
495 TARGET_IRIX by TARGET_IRIX6.
496 (mips_file_start): Likewise.
497 (mips_output_external): Remove IRIX 5/6 O32 support.
498 (mips_output_function_prologue): Likewise.
499 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
501 (TARGET_CPU_CPP_BUILTINS): Likewise.
502 (TARGET_IRIX): Removed.
503 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
504 (MULTILIB_DIRNAMES): Removed 32.
505 (MULTILIB_OSDIRNAMES): Removed ../lib.
506 * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
507 (Specific, mips-sgi-irix5): Document removal.
508 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
509 Remove references to older IRIX 6 releases and the O32 ABI.
511 2010-05-06 Jakub Jelinek <jakub@redhat.com>
514 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
515 instead of DF_REF_REAL_REG.
517 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
520 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
521 handling to still return true for x64 targets.
523 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
525 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
527 2010-05-06 Jan Hubicka <jh@suse.cz>
529 PR tree-optimization/43791
530 * ipa-inline.c (update_caller_keys): Remove bogus
531 disregard_inline_limits check.
533 2010-05-06 Michael Matz <matz@suse.de>
535 PR tree-optimization/43984
536 * tree-ssa-pre.c (inserted_phi_names): Remove.
537 (inserted_exprs): Change to bitmap.
538 (create_expression_by_pieces): Set bits, don't append to vector.
539 (insert_into_preds_of_block): Don't handle inserted_phi_names.
540 (eliminate): Don't look at inserted_phi_names, remove deleted
541 insns from inserted_exprs.
542 (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
543 (init_pre, fini_pre): Allocate and free bitmaps.
544 (execute_pre): Insert insns on edges before elimination.
546 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
548 * tree.c (initializer_zerop): Handle STRING_CST.
550 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
553 * doc/invoke.texi (Wimplicit): Document as C only.
554 * opts.c (common_handle_option): Add argument kind.
555 (handle_option): Rename as read_cmdline_option. Factor out code to...
556 (handle_option): ... here. New.
557 (handle_options): Rename as read_cmdline_options.
558 (decode_options): Update call.
559 (set_option): Use option index instead of option pointer. Classify
560 diagnostics correctly.
561 (enable_warning_as_error): Call handle_option.
562 * opts.h (set_option): Update declaration.
563 (handle_option): Declare.
564 * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
565 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
566 * c-opts.c (set_Wimplicit): Delete.
567 (c_family_lang_mask): New static constant.
568 (c_common_handle_option): Add argument kind. Use handle_option
569 instead of set_Wimplicit.
570 (c_common_post_options): warn_implicit and warn_implicit_int
571 are disabled by default.
572 * c-common.c (warn_implicit): Do not define here.
573 * c-common.h (warn_implicit): Do not declare here.
574 (c_common_handle_option): Update declaration.
575 * lto-opts.c (lto_reissue_options): Update call to set_option.
577 2010-05-06 Richard Guenther <rguenther@suse.de>
579 PR tree-optimization/43571
580 * domwalk.c (walk_dominator_tree): Walk the dominator
581 sons in more optimal order.
583 2010-05-06 Richard Guenther <rguenther@suse.de>
585 PR tree-optimization/43934
586 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
587 (stmt_cost): Likewise.
588 (extract_true_false_args_from_phi): New helper.
589 (determine_max_movement): For PHI nodes verify we can hoist them
590 and compute their cost.
591 (determine_invariantness_stmt): Handle PHI nodes.
592 (move_computations_stmt): Likewise. Hoist PHI nodes in
593 if-converted form using COND_EXPRs.
594 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
595 (tree_ssa_lim): Likewise.
596 * tree-flow.h (tree_ssa_lim): Adjust prototype.
597 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
599 2010-05-06 Richard Guenther <rguenther@suse.de>
601 PR tree-optimization/43987
602 * tree-ssa-structalias.c (could_have_pointers): For possibly
603 address-taken variables force pointers to be recorded.
604 (create_variable_info_for_1): Likewise.
605 (push_fields_onto_fieldstack): Pass in wheter all fields
607 (find_func_aliases): Query types instead of vars whether
608 they contain pointers where appropriate.
610 2010-05-06 Jan Hubicka <jh@suse.cz>
612 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
613 (record_reference, mark_address, mark_load, mark_store): Record
615 (record_references_in_initializer): Update call of record_references.
616 (rebuild_cgraph_edges): Remove all references before rebuiding.
617 * cgraph.c (cgraph_create_node): Clear ref list.
618 (cgraph_remove_node): Remove references.
619 (dump_cgraph_node): Dump references.
620 (cgraph_clone_node): Clone references.
621 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
622 (struct cgraph_node, varpool_node): Add ref_lst.
623 * ipa-ref.c: New file.
624 * ipa-ref.h: New file.
625 * ipa-ref-inline.h: New file.
626 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
627 (referenced_from_other_partition_p): New function.
628 (lto_output_varpool_node): Take set arugment; call
629 referenced_from_other_partition.
630 (lto_output_ref): New.
631 (add_references): New.
633 (output_cgraph): Compute boundary based on references; output refs.
634 (output_varpool): Accept cgraph_node_set argument.
637 (input_cgraph): Call input_refs.
638 * lto-section-in.c (lto_section_name): Add refs.
639 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
640 (ipa-ref.o): New file.
641 * varpool.c (varpool_node): Clear ipa ref list.
642 (varpool_remove_node): Remove references.
643 (dump_varpool_node): Dump references.
644 (varpool_assemble_decl): Only compile finalized ones.
645 (varpool_extra_name_alias): Initialize ref list.
646 * lto-streamer.c (lto-get_section_name): Add .refs section.
647 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
648 (referenced_from_other_partition_p): Declared.
650 2010-05-06 Ira Rosen <irar@il.ibm.com>
652 PR tree-optimization/43901
653 * tree-vect-stmts.c (vectorizable_call): Assert that vector
654 type is not NULL if it's transformation phase, and return
655 FALSE if it's analysis.
656 (vectorizable_conversion, vectorizable_operation,
657 vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
659 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
661 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
663 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
665 * config/mips/mips-protos.h
666 (mips_small_register_classes_for_mode_p): Delete prototype.
668 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
670 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
671 * config/arm/arm.c (multiple_operation_profitable_p,
672 compute_offset_order): New static functions.
673 (load_multiple_sequence, store_multiple_sequence): Use them.
674 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
675 memory offsets, not register numbers.
676 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
678 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
680 * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
681 (get_pending_sizes, put_pending_size, put_pending_sizes):
682 Update the uses of pending_sizes.
683 * c-decl.c (store_parm_decls): Likewise.
684 * c-tree.h (struct c_arg_info): Likewise.
685 * tree.h: Update the prototype for get_pending_sizes and
688 2010-05-05 Jason Merrill <jason@redhat.com>
691 * c-common.c (handle_aligned_attribute): Respect
692 ATTR_FLAG_TYPE_IN_PLACE.
695 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
696 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
697 (TARGET_INITIALIZER): Use it.
698 * c-common.c (attribute_takes_identifier_p): Call it.
699 * c-common.h: Update prototype.
700 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
701 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
703 2010-05-05 Jakub Jelinek <jakub@redhat.com>
706 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
707 DW_ID_down_case for Fortran compilation units.
709 2010-05-05 Jan Hubicka <jh@suse.cz>
711 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
714 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
716 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
717 a variable-sized RESULT_DECL.
719 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
721 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
723 2010-05-05 Jason Merrill <jason@redhat.com>
726 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
728 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
730 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
731 Jakub Jelinek <jakub@redhat.com>
734 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
735 (dead_debug_init, dead_debug_finish): New functions.
736 (dead_debug_add, dead_debug_insert_before): Likewise.
737 (df_note_bb_compute): Initialize a dead_debug object, add dead
738 debug uses to it, insert debug bind insns before death insns,
739 reset debug insns that refer to pending uses at the end.
740 * rtl.h (make_debug_expr_from_rtl): New prototype.
741 * varasm.c (make_debug_expr_from_rtl): New function.
743 2010-05-05 Jan Hubicka <jh@suse.cz>
745 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
746 (lto_varpool_encoder_new, lto_varpool_encoder_delete,
747 lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
748 lto_varpool_encoder_deref, lto_varpool_encoder_size,
749 lto_varpool_encoder_encode_initializer_p,
750 lto_set_varpool_encoder_encode_initializer): New functions.
751 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
753 (input_varpool_node): Do not always set analyzed.
754 (input_cgraph_1): Return vector of cgraph nodes.
755 (input_varpool_1): Return vector of varpools.
756 (input_cgraph): Free the vectors.
757 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
758 output only initializers needed.
759 (lto_output): Only call output_cgraph.
760 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
761 * lto-section-out.c (lto_new_out_decl_state): Initialize
762 state->varpool_node_encoder.
763 * lto-streamer.h (lto_varpool_encoder_d): New.
764 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
765 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
766 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
767 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
768 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
770 (output_varpool, input_varpool): Remove declarations.
772 2010-05-05 Jan Hubicka <jh@suse.cz>
774 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
775 with body can prevail.
777 2010-05-05 Jan Hubicka <jh@suse.cz>
779 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
782 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
784 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
786 * gengtype.h (erro_at_line): Constify pos argument.
788 * gengtype.c: Include hashtab.h.
789 (enum gc_used): Document GC_MAYBE_POINTED_TO.
790 (error_at_line): Constify pos argument.
791 (do_typedef): Initialize p->opt field.
792 (get_file_gtfilename): Fix comment typo.
793 (struct walk_type_data): Constify line field.
794 (get_output_file_for_structure): New function.
795 (write_local_func_for_structure): Constify orig_s argument.
796 Use get_output_file_for_structure.
797 (write_func_for_structure): Use get_output_file_for_structure.
798 (INDENT): New define.
799 (dump_pair, dump_type, dump_type_list, dump_typekind)
800 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
801 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
803 (seen_types): New variable.
804 (main): New variable do_dump. Process "-d" command line option.
805 Call dump_everything if dump requested.
807 2010-05-05 Jakub Jelinek <jakub@redhat.com>
809 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
810 in a temporary instead of invoking the macro multiple times.
811 (track_expr_p): Likewise.
813 2010-05-04 Neil Vachharajani <nvachhar@google.com>
815 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
817 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
818 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
819 conditions for printing notes.
820 * common.opt (-Wcoverage-mismatch): Allow negative, default to
821 true, update documentation.
822 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
824 2010-05-04 Jakub Jelinek <jakub@redhat.com>
827 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
830 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
833 * config/i386/i386.md (sse_prologue_save): Clobber CC register.
834 (*sse_prologue_save_insn1): Likewise.
835 (SSE prologue save splitter): Likewise.
837 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
839 * tree.c (free_lang_data_in_one_sizepos): New inline function.
840 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
841 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
842 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
843 all decls. Call it on DECL_FIELD_OFFSET of fields.
844 (find_decls_types_r): Follow DECL_VALUE_EXPR.
845 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
847 2010-05-04 Martin Jambor <mjambor@suse.cz>
849 * tree-sra.c (build_access_from_expr_1): The first parameter type
850 changed to simple tree.
851 (build_access_from_expr): Likewise, gsi parameter was eliminated.
852 (scan_assign_result): Renamed to assignment_mod_result, enum elements
854 (build_accesses_from_assign): Removed all parameters except for a
855 simple gimple statement. Now returns a simple bool.
856 (scan_function): All non-analysis parts moved to separate functions
857 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
858 parameters and updated both callers.
859 (sra_modify_expr): Removed parameter data.
860 (sra_modify_function_body): New function.
861 (perform_intra_sra): Call sra_modify_function_body to modify the
863 (replace_removed_params_ssa_names): Parameter data changed into
865 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
866 changed the parameter dont_convert to convert with the opposite
868 (sra_ipa_modify_assign): Parameter data changed into adjustments
869 vector, return value changed to bool.
870 (ipa_sra_modify_function_body): New function.
871 (sra_ipa_reset_debug_stmts): Updated a comment.
872 (modify_function): Use ipa_sra_modify_function_body to modify function
875 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
878 * alias.c (true_dependence): Handle the same VALUE in x and mem.
879 (canon_true_dependence): Likewise.
880 (write_dependence_p): Likewise.
882 2010-05-04 Jan Hubicka <jh@suse.cz>
884 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
885 * cgraphbuild.c: Include ipa-utils.h
886 (record_reference_ctx): New struct.
887 (record_reference): Simplify to work on initializers; not statements.
888 (mark_address, mark_load, mark_store): New.
889 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
891 (record_references_in_initializer): Update use of record_reference.
892 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
895 2010-05-04 Jan Hubicka <jh@suse.cz>
897 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
898 node will be removed anyway.
899 (lto_varpool_replace_node): Allow also unanalyzed nodes;
900 relink aliases of node into prevailing node.
901 * varpool.c (varpool_remove_node): Remove aliases properly;
902 when removing node, remove all its aliases too; remove DECL_INITIAL
903 of removed node; ggc_free the varpool node.
905 2010-05-04 Richard Guenther <rguenther@suse.de>
907 PR tree-optimization/43879
908 * tree-ssa-structalias.c (alias_get_name): Use
909 DECL_ASSEMBLER_NAME if available.
910 (create_function_info_for): Return the varinfo node.
911 (ipa_pta_execute): Associate same-body aliases and extra names
912 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
914 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
916 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
918 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
921 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
922 only if HONOR_REG_ALLOC_ORDER is not defined.
924 2010-05-04 Richard Guenther <rguenther@suse.de>
926 PR tree-optimization/43949
927 * tree-vrp.c (extract_range_from_binary_expr): Only handle
930 2010-04-26 Jason Merrill <jason@redhat.com>
932 * c.opt (-fstrict-enums): New.
933 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
935 2010-05-03 David Ung <davidu@mips.com>
936 James E. Wilson <wilson@codesourcery.com>
938 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
939 emit the trap instruction before the divide for TUNE_74K.
941 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
943 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
944 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
945 based on the above, for new target hook.
947 * hooks.c (hook_bool_mode_true): New generic hook.
948 * hooks.h (hook_bool_mode_true): Add prototype.
950 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
952 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
953 target hook, set to hook_bool_mode_false.
954 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
955 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
956 with targetm.small_register_classes_for_mode_p.
957 (find_reusable_reload): Likewise.
958 (combine_reloads): Likewise.
959 * reload1.c (reload_as_needed): Likewise.
960 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
961 * ifcvt.c (noce_process_if_block, check_cond_move_block,
962 dead_or_predicable): Likewise.
963 * regmove.c (optimize_reg_copy_1): Likewise.
964 * calls.c (prepare_call_address): Likewise.
965 (precompute_register_parameters): Likewise.
967 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
969 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
970 implementation of the hook that considers all register classes
971 small except for SH64.
972 (sh_override_options): Use the new hook.
973 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
976 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
978 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
979 implementation of the hook that considers all register classes
981 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
984 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
986 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
987 implementation of the hook that considers all register classes
989 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
992 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
994 * config/m32c/m32c.h: Likewise.
995 * config/pdp11/pdp11.h: Likewise.
996 * config/avr/avr.h: Likewise.
997 * config/xtensa/xtensa.h: Likewise.
998 * config/m68hc11/m68hc11.h: Likewise.
999 * config/mn10300/mn10300.h: Likewise.
1000 * config/mcore/mcore.h: Likewise.
1001 * config/h8300/h8300.h: Likewise.
1002 * config/bfin/bfin.h: Likewise.
1004 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1005 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1007 2010-05-03 Anatoly Sokolov <aesok@post.ru>
1009 * double-int.h (tree_to_double_int): Remove macro.
1010 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1011 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1012 (tree_to_double_int): New function.
1013 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1015 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1017 2010-05-03 Richard Guenther <rguenther@suse.de>
1019 PR tree-optimization/43971
1020 * tree-ssa-structalias.c (get_constraint_for_1): Fix
1021 constraints in the !flag_delete_null_pointer_checks case.
1023 2010-05-03 Jakub Jelinek <jakub@redhat.com>
1026 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1027 result mode matches original rtl mode.
1029 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
1032 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1034 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1036 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1037 when processing flag options.
1039 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1041 * gcov-iov.c (main): Change format string placeholder
1042 from %#08x to 0x%08x.
1043 * genchecksum.c (dosum): Change format string placeholder
1044 from %#02x to 0x%02x.
1046 2010-05-02 Richard Guenther <rguenther@suse.de>
1048 PR tree-optimization/43879
1049 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1051 2010-05-02 Bruno Haible <bruno@clisp.org>
1053 * doc/extend.texi (Function Attributes): Fix a typo.
1055 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1058 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1059 placeholder from 0x%x to %#x.
1060 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1061 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1062 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1063 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1064 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1065 * config/i386/i386.c (ix86_target_string): Ditto.
1066 * config/i386/i386.c (output_pic_addr_const): Ditto.
1067 (print_operand): Ditto.
1069 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1071 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1072 placeholder from 0x%x to %#x.
1073 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1074 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1075 (ASM_OUTPUT_DEBUG_DATA): Ditto.
1076 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1077 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1078 * optc-gen.awk: Ditto.
1079 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1080 (HOST_WIDE_INT_PRINT_HEX): Ditto.
1081 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1082 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1084 2010-05-01 Anatoly Sokolov <aesok@post.ru>
1086 * target.h (struct calls): Add function_value_regno_p field.
1087 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1088 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1089 * targhooks.c (default_function_value_regno_p): New function.
1090 * targhooks.h (default_function_value_regno_p): Declare function.
1091 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1092 * builtins.c. (apply_result_size): (Ditto.).
1093 * combine.c. (likely_spilled_retval_p): (Ditto.).
1094 * mode-switching.c. Include 'target.h'.
1095 (create_pre_exit): Use function_value_regno_p hook.
1096 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1097 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1098 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1100 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1101 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1102 (ix86_function_value_regno_p): Declare as static, change argument
1103 type to const unsigned int.
1104 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1106 2010-05-01 Richard Guenther <rguenther@suse.de>
1108 PR tree-optimization/43949
1109 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1111 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1113 2010-05-01 Anatoly Sokolov <aesok@post.ru>
1115 * rtl.h (CONST_DOUBLE_P): Define.
1116 (rtx_to_double_int): Declare.
1117 * emit-rtl.c (rtx_to_double_int): New function.
1118 * dwarf2out.c (insert_double): New function.
1119 (loc_descriptor, add_const_value_attribute): Clean up, use
1120 rtx_to_double_int and insert_double functions.
1122 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
1124 * doc/extend.texi (Inline): Add missing return keyword to examples.
1125 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1128 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
1130 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1131 the variable part of the offset as well. Use highest_pow2_factor for
1132 all alignment checks.
1134 2010-04-30 Richard Guenther <rguenther@suse.de>
1136 PR tree-optimization/43879
1137 * tree-ssa-structalias.c (type_could_have_pointers): Functions
1140 2010-04-30 Jan Hubicka <jh@suse.cz>
1142 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1144 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1146 2010-04-30 Jan Hubicka <jh@suse.cz>
1148 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1150 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1151 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1152 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1153 cgraph_node_set_needs_ltrans_p): Remove.
1155 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
1157 * sdbout.c: Include vec.h, do not include varray.h.
1158 (deferred_global_decls, sdbout_global_decl,
1159 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1160 * toplev.c: Do not include varray.h.
1161 (dump_memory_report): Do not dump VARRAY statistics.
1162 * gengtype.c (open_base_file): Ignore varray.h.
1163 * Makefile.in: Update for abovementioned changes.
1164 Remove all traces of varray.c and varray.h.
1165 * varray.c: Remove file.
1166 * varray.h: Remove file.
1168 2010-04-30 Jan Hubicka <jh@suse.cz>
1170 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1173 2010-04-30 Jan Hubicka <jh@suse.cz>
1175 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1178 2010-04-30 Richard Guenther <rguenther@suse.de>
1180 * tree-ssa-structalias.c (get_constraint_for_1): Generate
1181 constraints for CONSTRUCTOR.
1183 2010-04-30 Richard Guenther <rguenther@suse.de>
1186 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1187 first after all lowering passes.
1189 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
1191 * toplev.c: Include varray.h for statistics dumping.
1192 * tree.h: Do not declare varray_head_tag.
1193 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1194 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1195 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1196 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1197 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1198 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1199 c-common.c, c-common.h, reg-stack.c, basic-block.h,
1200 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1202 * Makefile.in: Update for abovementioned changes.
1204 2010-04-30 Jakub Jelinek <jakub@redhat.com>
1207 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1209 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1211 * config/picochip/picochip.c (picochip_legitimize_address): Define.
1212 Use this function to do machine-specific conversion.
1213 (picochip_legitimize_reload_address): Likewise.
1214 (picochip_legitimate_address_p): Check valid base register only if
1216 (picochip_check_conditional_copy): Check for modw only if opnd is
1218 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1219 to call the function in c.
1220 * config/picochip/picochip-protos.h
1221 (picochip_legitimize_reload_address): Define.
1222 * config/picochip/picochip.md (supported_compare1): Define.
1224 2010-04-30 Jan Hubicka <jh@suse.cz>
1226 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1227 (cgraph_global_info): Remove inlined.
1228 (LTO_cgraph_tag_names): Remove.
1229 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1230 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1231 simplify cgraph tags and document.
1232 (lto_output_node): Use only LTO_cgraph_unavail_node and
1233 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1234 for_functions_valid, global info, process and output flags.
1235 (input_overwrite_node): Initialize estimated stack size and
1236 estimated growth. Do not read flags we no longer store.
1237 (input_node): Likewise do not read info no longer stored.
1238 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1241 2010-04-30 Richard Guenther <rguenther@suse.de>
1243 PR tree-optimization/43879
1244 * tree-ssa-structalias.c (get_constraint_for_1): Properly
1245 handle non-zero initializers.
1247 2010-04-30 Richard Guenther <rguenther@suse.de>
1249 * builtins.c (fold_builtin_1): Delete free (0).
1251 2010-04-29 Jan Hubicka <jh@suse.cz>
1253 * gengtype.c (open_base_files): Add lto-streamer.h
1254 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1255 (pass_ipa_cp): GGC collect.
1256 * toplev. (compile_file): Do not output symbols.
1257 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1258 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1259 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1260 * lto-section-in.c: Include ggc.h
1261 (lto_new_in_decl_state): Alloc in GGC.
1262 (lto_delete_in_decl_state): Likewise.
1263 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1266 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
1269 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1270 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
1271 (HONOR_REG_ALLOC_ORDER): Describe new macro.
1272 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1273 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1274 account only if HONOR_REG_ALLOC_ORDER is not defined.
1275 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1276 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1278 2010-04-29 Jon Grant <04@jguk.org>
1280 * collect2.c (vflag): Change type from int to bool.
1282 (helpflag): New global bool.
1283 (main): Set vflag and debug with boolean, not integer truth values.
1284 Accept new "--help" option and output usage text if found.
1285 * collect2.h (vflag): Update prototype.
1288 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1291 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1293 2010-04-29 Richard Guenther <rguenther@suse.de>
1296 * plugin.h (invoke_plugin_callbacks): Annotate arguments
1297 with ATTRIBUTE_UNUSED.
1299 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1302 * config/i386/i386.c (get_some_local_dynamic_name): Replace
1303 INSN_P with NONDEBUG_INSN_P.
1304 (distance_non_agu_define): Likewise.
1305 (distance_agu_use): Likewise.
1307 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
1309 From Dominique d'Humieres <dominiq@lps.ens.fr>
1311 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1314 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
1316 * plugin.h (invoke_plugin_callbacks): New inline function.
1317 * plugin.c (flag_plugin_added): New global flag.
1318 (add_new_plugin): Initialize above flag.
1319 (invoke_plugin_callbacks): Rename to ...
1320 (invoke_plugin_callbacks_full): ... this.
1322 2010-04-28 Jan Hubicka <jh@suse.cz>
1324 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1325 (lto_varpool_replace_node): New.
1326 (lto_symtab_resolve_symbols): Resolve varpool nodes.
1327 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1328 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1329 * cgraph.h (varpool_node_ptr): New type.
1330 (varpool_node_ptr): New vector.
1331 (varpool_node_set_def): New structure.
1332 (varpool_node_set): New type.
1333 (varpool_node_set): New vector.
1334 (varpool_node_set_element_def): New structure.
1335 (varpool_node_set_element, const_varpool_node_set_element): New types.
1336 (varpool_node_set_iterator): New type.
1337 (varpool_node): Add prev pointers, add used_from_other_partition,
1339 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1340 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1341 varpool_get_node, varpool_remove_node): Declare.
1342 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1343 varpool_node_set_size): New inlines.
1344 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1345 * tree-pass.h (varpool_node_set_def): Forward declare.
1346 (ipa_opt_pass_d): Summary writting takes vnode sets too.
1347 (ipa_write_optimization_summaries): Update prototype.
1348 * ipa-cp.c (ipcp_write_summary): Update.
1349 * ipa-reference.c (ipa_reference_write_summary): Update.
1350 * lto-cgraph.c (lto_output_varpool_node): New static function.
1351 (output_varpool): New function.
1352 (input_varpool_node): New static function.
1353 (input_varpool_1): New function.
1354 (input_cgraph): Input varpool.
1355 * ipa-pure-const.c (pure_const_write_summary): Update.
1356 * lto-streamer-out.c (lto_output): Update, output varpool too.
1357 (write_global_stream): Kill WPA hack.
1358 (produce_asm_for_decls): Update.
1359 (output_alias_pair_p): Handle variables.
1360 (output_unreferenced_globals): Output only needed partition of varpool.
1361 * ipa-inline.c (inline_write_summary): Update.
1362 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1364 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1365 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1366 varpool_node_set_new, varpool_node_set_add,
1367 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1368 debug_varpool_node_set): New functions.
1369 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1370 (execute_one_pass): Process new decls too.
1371 (ipa_write_summaries_2): Pass around vsets.
1372 (ipa_write_summaries_1): Likewise.
1373 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1375 (ipa_write_optimization_summaries_1): Pass around vsets.
1376 (ipa_write_optimization_summaries): Likewise.
1377 * varpool.c (varpool_get_node): New.
1378 (varpool_node): Update doubly linked lists.
1379 (varpool_remove_node): New.
1380 (dump_varpool_node): More dumping.
1381 (varpool_enqueue_needed_node): Update doubly linked lists.
1382 (decide_is_variable_needed): Kill ltrans hack.
1383 (varpool_finalize_decl): Kill lto hack.
1384 (varpool_assemble_decl): Skip decls in other partitions.
1385 (varpool_assemble_pending_decls): Update doubly linkes lists.
1386 (varpool_empty_needed_queue): Likewise.
1387 (varpool_extra_name_alias): Likewise.
1388 * lto-streamer.c (lto_get_section_name): Add vars section.
1389 * lto-streamer.h (lto_section_type): Update.
1390 (output_varpool, input_varpool): Declare.
1392 2010-04-28 Mike Stump <mikestump@comcast.net>
1394 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1396 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1398 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1399 record or union type with RECORD_OR_UNION_TYPE_P predicate.
1400 (lto_input_ts_type_tree_pointers): Likewise.
1401 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1402 (lto_output_ts_type_tree_pointers): Likewise.
1404 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1406 Uniquization of constants at the Tree level
1407 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1408 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1410 (tree_output_constant_def): Declare.
1411 * gimplify.c (gimplify_init_constructor): When using block copy, first
1412 uniquize the constant constructor on the RHS.
1413 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1414 DECL_IN_CONSTANT_POOL flag.
1415 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1416 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1418 (assemble_variable): Deal with symbols belonging to the tree constant
1420 (get_constant_section): Add ALIGN parameter and simplify.
1421 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1422 (assemble_constant_contents): Use the expression of the VAR_DECL.
1423 (output_constant_def_contents): Use the alignment of the VAR_DECL.
1424 (tree_output_constant_def): New global function.
1425 (mark_constant): Use the expression of the VAR_DECL.
1426 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1428 (output_object_block): Likewise and assemble the expression.
1430 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1432 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1433 hash_tree, eq_tree): New tree hash table.
1434 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1435 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1436 lto_orig_address_remove): Reimplement.
1438 2010-04-28 Xinliang David Li <davidxl@google.com>
1441 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1442 (compute_uninit_opnds_pos): New function.
1443 (is_non_loop_exit_postdominating): New function.
1444 (compute_control_dep_chain): New function.
1445 (find_pdom): New function.
1446 (convert_control_dep_chain_into_preds): New function.
1447 (find_predicates): New function.
1448 (find_control_equiv_block): New function.
1449 (collect_phi_def_edges): New function.
1450 (find_def_preds): New function.
1451 (find_dom): New function.
1452 (dump_predicates): New function.
1453 (get_cmp_code): New function.
1454 (is_value_included_in): New function.
1455 (find_matching_predicate_in_rest_chains): New function.
1456 (use_pred_not_overlap_with_undef_path_pred): New function.
1457 (is_use_properly_guarded): New function.
1458 (normalize_cond_1): New function.
1459 (is_and_or_or): New function.
1460 (normalize_cond): New function.
1461 (is_gcond_subset_of): New function.
1462 (is_subset_of_any): New function.
1463 (is_or_set_subset_of): New function.
1464 (is_and_set_subset_of): New function.
1465 (is_norm_cond_subset_of): New function.
1466 (is_pred_expr_subset_of): New function.
1467 (is_pred_chain_subset_of): New function.
1468 (is_included_in): New function.
1469 (is_superset_of): New function.
1470 (find_uninit_use): New function.
1471 (warn_uninitialized_phi): New function.
1472 (compute_possibly_undefined_names): New function.
1473 (ssa_undefined_value_p): New function.
1474 (execute_late_warn_uninitialized): New function.
1475 * tree-ssa.c (ssa_undefined_value_p): Removed.
1476 (warn_uninit): Changed to extern.
1477 (warn_uninitialized_phi): Removed.
1478 (warn_uninitialized_vars): Changed to extern.
1479 (execute_late_warn_uninitialized): Removed
1480 * tree-flow.h: Add new prototypes.
1481 * timevar.def: Add new time variable.
1482 * Makefile.in: Add new build file.
1484 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
1486 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1489 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1492 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1494 2010-04-28 Martin Jambor <mjambor@suse.cz>
1496 * cgraph.h (struct cgraph_node): New field indirect_calls.
1497 (struct cgraph_indirect_call_info): New type.
1498 (struct cgraph_edge): Removed field indirect_call. New fields
1499 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1500 (cgraph_create_indirect_edge): Declare.
1501 (cgraph_make_edge_direct): Likewise.
1502 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1503 * ipa-prop.h (struct ipa_param_call_note): Removed.
1504 (struct ipa_node_params): Removed field param_calls.
1505 (ipa_create_all_structures_for_iinln): Declare.
1506 * cgraph.c: Described indirect edges and uids in initial comment.
1507 (cgraph_add_edge_to_call_site_hash): New function.
1508 (cgraph_edge): Search also among the indirect edges, use
1509 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1510 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1511 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1513 (initialize_inline_failed): Assign a reason to indirect edges.
1514 (cgraph_create_edge_1): New function.
1515 (cgraph_create_edge): Moved some functionality to
1516 cgraph_create_edge_1.
1517 (cgraph_create_indirect_edge): New function.
1518 (cgraph_edge_remove_callee): Add an assert checking for
1520 (cgraph_edge_remove_caller): Special-case indirect edges.
1521 (cgraph_remove_edge): Likewise.
1522 (cgraph_set_edge_callee): New function.
1523 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1524 (cgraph_make_edge_direct): New function.
1525 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1526 the declaration of the call statement matches.
1527 (cgraph_node_remove_callees): Special-case indirect edges.
1528 (cgraph_clone_edge): Likewise.
1529 (cgraph_clone_node): Clone also the indirect edges.
1530 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1531 indirect_call, dump count of indirect_calls edges.
1532 * ipa-prop.c (iinlining_processed_edges): New variable.
1533 (ipa_note_param_call): Create indirect edges instead of
1534 creating notes. New parameter node.
1535 (ipa_analyze_call_uses): New parameter node, pass it on to
1536 ipa_note_param_call.
1537 (ipa_analyze_stmt_uses): Likewise.
1538 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1539 (print_edge_addition_message): Work on edges rather than on notes.
1540 (update_call_notes_after_inlining): Likewise, renamed to
1541 update_indirect_edges_after_inlining.
1542 (ipa_create_all_structures_for_iinln): New function.
1543 (ipa_free_node_params_substructures): Do not free notes.
1544 (ipa_edge_duplication_hook): Propagate bits within
1545 iinlining_processed_edges bitmap.
1546 (ipa_node_duplication_hook): Do not duplicate notes.
1547 (free_all_ipa_structures_after_ipa_cp): Renamed to
1548 ipa_free_all_structures_after_ipa_cp.
1549 (free_all_ipa_structures_after_iinln): Renamed to
1550 ipa_free_all_structures_after_iinln.
1551 (ipa_write_param_call_note): Removed.
1552 (ipa_read_param_call_note): Removed.
1553 (ipa_write_indirect_edge_info): New function.
1554 (ipa_read_indirect_edge_info): Likewise.
1555 (ipa_write_node_info): Do not stream notes, do stream information
1557 (ipa_read_node_info): Likewise.
1558 (lto_ipa_fixup_call_notes): Removed.
1559 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1560 * ipa-inline.c (pass_ipa_inline): Likewise.
1561 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1562 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1563 * tree-inline.c (copy_bb): Removed an unnecessary double check for
1565 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1567 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1568 (output_cgraph): Stream also indirect edges.
1569 (lto_output_edge): Added capability to stream indirect edges.
1570 (input_edge): Likewise.
1571 (input_cgraph_1): Likewise.
1572 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1575 2010-04-28 Richard Guenther <rguenther@suse.de>
1577 PR tree-optimization/43879
1578 PR tree-optimization/43909
1579 * tree-ssa-structalias.c (struct variable_info): Add
1580 only_restrict_pointers flag.
1581 (new_var_info): Initialize it. Increment stats.total_vars here.
1582 (create_function_info_for): Do not increment stats.total_vars here.
1583 (get_function_part_constraint): Fix build with C++.
1584 (insert_into_field_list): Remove.
1585 (push_fields_onto_fieldstack): Properly merge fields.
1586 (create_variable_info_for): Split and simplify.
1587 (create_variable_info_for_1): New piece.
1588 (intra_create_variable_infos): Properly make restrict constraints
1591 2010-04-28 Richard Guenther <rguenther@suse.de>
1594 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1596 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
1597 Jan Hubicka <hubicka@ucw.cz>
1599 * doc/invoke.texi (-Wsuggest-attribute=const,
1600 -Wsuggest-attribute=pure): Document.
1601 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1602 (function_always_visible_to_compiler_p,
1603 suggest_attribute, warn_function_pure, warn_function_const):
1605 (check_call): Improve debug info.
1606 (analyze_function): Do not check availability.
1607 (add_new_function): Check availability.
1608 (propagate): Output warnings.
1609 (skip_function_for_local_pure_const): New function.
1610 (local_pure_const): Use it; output warnings.
1611 * common.opt (Wsuggest-attribute=const,
1612 Wsuggest-attribute=pure): New.
1614 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1616 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1617 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1618 or DW_CFA_def_cfa_offset{,_sf}.
1620 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1622 * tree.h: Fix truncated long macros.
1624 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
1626 * collect2.c (TARGET_64BIT): Redefine to target's default.
1627 * tlink.c: Likewise.
1628 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1629 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1630 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1631 for underscoring __USER_LABEL_PREFIX__.
1632 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1633 (SUB_LINK_ENTRY32): New.
1634 (SUB_LINK_ENTRY64): New.
1635 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1636 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1637 (SUB_LINK_ENTRY64): New.
1638 (SUB_LINK_ENTRY): New.
1639 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1640 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1641 x64 target is choosen.
1642 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1643 * configure: Regenerated.
1644 * configure.ac (leading-mingw64-underscores): Option added.
1646 2010-04-27 Jan Hubicka <jh@suse.cz>
1648 * doc/invoke.texi (-fipa-profile): Document.
1649 * opts.c (decode_options): Enable ipa-profile at -O1.
1650 * timevar.def (TV_IPA_PROFILE): Define.
1651 * common.opt (fipa-profile): Add.
1652 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1654 (cgraph_propagate_frequency): Handle only local ones.
1655 * tree-pass.h (pass_ipa_profile): Declare.
1656 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1657 (pass_ipa_profile): Use TV_IPA_PROFILE.
1658 * ipa.c (ipa_profile): New function.
1659 (gate_ipa_profile): Likewise.
1660 (pass_ipa_profile): New global variable.
1661 * passes.c (pass_ipa_profile): New.
1663 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
1665 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1667 2010-04-27 Martin Jambor <mjambor@suse.cz>
1670 * ipa.c (dissolve_same_comdat_group_list): New function.
1671 (function_and_variable_visibility): Call
1672 dissolve_same_comdat_group_list when comdat group contains external or
1674 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1675 lists are circular and that they contain only DECL_ONE_ONLY nodes.
1677 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1679 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1680 (const_hash_1) <VECTOR_CST>: New case.
1681 (compare_constant) <VECTOR_CST>: Likewise.
1682 <ADDR_EXPR>: Deal with LABEL_REFs.
1683 (copy_constant) <VECTOR_CST>: New case.
1685 2010-04-27 Jan Hubicka <jh@suse.cz>
1687 * cgraph.c (cgraph_propagate_frequency): New function.
1688 * cgraph.h (cgraph_propagate_frequency): Declare.
1689 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1690 cgraph_propagate_frequency.
1692 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1694 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1696 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
1699 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1700 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1701 here to determine which regs to push and how much stack to reserve.
1703 2010-04-27 Jie Zhang <jie@codesourcery.com>
1705 * doc/gimple.texi (gimple_statement_with_ops): Remove
1706 addresses_taken field.
1707 (gimple_statement_with_memory_ops): Likewise.
1709 2010-04-27 Jan Hubicka <jh@suse.cz>
1711 * tree-inline.c (eni_inlining_weights): Remove.
1712 (estimate_num_insns): Special case more builtins.
1714 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
1717 * c-typeck.c (build_binary_op): Move forward check for comparison
1718 pointer with null pointer constant and adjust the diagnostic message.
1720 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
1723 * configure.ac (gcc_cv_as_section_has_align): Set if installed
1724 binutils supports extended .section directive needed by LTO, or
1725 warn if older binutils found.
1726 (LTO_BINARY_READER): New AC_SUBST'd variable.
1727 (LTO_USE_LIBELF): Likewise.
1728 * gcc/config.gcc (lto_binary_reader): New target-specific configure
1730 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1731 (LTO_USE_LIBELF): Likewise.
1732 * configure: Regenerate.
1734 * collect2.c (is_elf): Rename from this ...
1735 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1736 object files in addition to ELF-formatted ones.
1737 (scan_prog_file): Caller updated. Also allow for LTO info marker
1738 symbol to be prefixed or not by an extra underscore.
1740 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1741 * config/i386/winnt.c: Also #include lto-streamer.h
1742 (i386_pe_asm_named_section): Specify 1-byte section alignment for
1744 (i386_pe_asm_output_aligned_decl_common): Add comment.
1745 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1747 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
1750 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1751 Add missing earlyclobber for second alternative.
1753 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
1755 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1756 bits for artificial defs at the top of the block.
1757 * fwprop.c (single_def_use_enter_block): Don't call it.
1759 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
1762 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1763 instead of "$gcc_cv_objdump -T".
1764 Use "-undefined dynamic_lookup" on darwin.
1765 * gcc/configure: Regenerate.
1767 2010-04-26 Jakub Jelinek <jakub@redhat.com>
1770 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1772 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1774 * c-parser.c (struct c_token): Move location field up.
1775 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1776 (struct c_declspecs): Convert typespec_word, storage_class, and
1777 default_int_p into bitfields.
1778 (struct c_declarator): Move loc field up.
1780 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1782 * cfgloop.h (struct loop): Move can_be_parallel field up.
1783 * ipa-prop.h (struct ip_node_params): Move bitfields up.
1784 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1786 (struct iv_cand): Convert pos field into a bitfield.
1787 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1789 (struct _stmt_vec_info): Shuffle fields for better packing.
1791 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1793 * varasm.c (IN_NAMED_SECTION): Remove guard.
1794 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1795 (IN_NAMED_SECTION_P): ...this.
1796 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1797 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1799 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1801 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1802 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
1803 of shadowing it. Fix comments.
1805 2010-04-26 Jan Hubicka <jh@suse.cz>
1807 * cgraph.c (cgraph_create_node): Set node frequency to normal.
1808 (cgraph_clone_node): Copy function frequency.
1809 * cgraph.h (node_frequency): New enum
1810 (struct cgraph_node): Add.
1811 * final.c (rest_of_clean_state): Update.
1812 * lto-cgraph.c (lto_output_node): Output node frequency.
1813 (input_overwrite_node): Input node frequency.
1814 * tre-ssa-loop-ivopts (computation_cost): Update.
1815 * lto-streamer-out.c (output_function): Do not output function
1817 * predict.c (maybe_hot_frequency_p): Update and handle functions
1819 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1821 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1822 (compute_function_frequency): Set noreturn functions to be executed
1824 (choose_function_section): Update.
1825 * lto-streamer-in.c (input_function): Do not input function frequency.
1826 * function.c (allocate_struct_function): Do not initialize function
1828 * function.h (function_frequency): Remove.
1829 (struct function): Remove function frequency.
1830 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1831 (try_update): Update.
1832 * tree-inline.c (initialize_cfun): Do not update function frequency.
1833 * passes.c (pass_init_dump_file): Update.
1834 * i386.c (ix86_compute_frame_layout): Update.
1835 (ix86_pad_returns): Update.
1837 2010-04-26 Jie Zhang <jie@codesourcery.com>
1839 PR tree-optimization/43833
1840 * tree-vrp.c (range_int_cst_p): New.
1841 (range_int_cst_singleton_p): New.
1842 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1843 when both operands are constants. Use range_int_cst_p in
1846 2010-04-26 Jan Hubicka <jh@suse.cz>
1848 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1850 2010-04-26 Richard Guenther <rguenther@suse.de>
1853 * gimple.c (gimple_decl_printable_name): Deal gracefully
1854 with a NULL DECL_NAME.
1856 2010-04-26 Richard Guenther <rguenther@suse.de>
1859 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1860 if emitting debug information and it is either a function
1861 or a namespace decl.
1863 2010-04-26 Ira Rosen <irar@il.ibm.com>
1865 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1866 determine if the statement is vectorizable, and a macro to access it.
1867 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1868 Skip statements that can't be vectorized. If the analysis fails,
1869 mark the statement as unvectorizable if vectorizing basic block.
1870 (vect_compute_data_refs_alignment): Likewise.
1871 (vect_verify_datarefs_alignment): Skip statements marked as
1872 unvectorizable. Add print.
1873 (vect_analyze_group_access): Skip statements that can't be
1874 vectorized. If the analysis fails, mark the statement as
1875 unvectorizable if vectorizing basic block.
1876 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1877 * tree-vect-stmts.c (vectorizable_store): Fix the number of
1878 generated stmts for SLP.
1879 (new_stmt_vec_info): Initialize the new field.
1880 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1881 statements marked as unvectorizable.
1883 2010-04-25 Joseph Myers <joseph@codesourcery.com>
1885 * c-common.c (flag_isoc1x): New.
1886 (flag_isoc99): Update comment.
1887 * c-common.h (flag_isoc1x): New.
1888 (flag_isoc99): Update comment.
1889 * c-cppbuiltin.c (builtin_define_float_constants): Also define
1890 __<type>_DECIMAL_DIG__.
1891 * c-opts.c (set_std_c1x): New.
1892 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1893 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1894 * c.opt (-std=c1x, -std=gnu1x): New options.
1895 * doc/cpp.texi: Mention -std=c1x.
1896 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1897 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1898 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1899 * doc/standards.texi: Mention C1X.
1900 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1901 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1902 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1905 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
1907 * config/i386/gmon-sol2.c (_mcleanup): Change format string
1908 placeholder from 0x%x to %#x.
1909 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1910 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1911 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1912 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1913 * config/i386/i386.c (ix86_target_string): Ditto.
1914 (output_pic_addr_const): Ditto.
1915 (print_operand): Ditto.
1917 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1919 * combine.c (find_split_point): Add third argument. Use it
1920 to find nested multiply-accumulate instructions. Adjust calls.
1921 (try_combine): Adjust call to find_split_point.
1923 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1925 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1927 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1929 PR tree-optimization/41442
1930 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1931 (fold_binary_loc): Call it.
1933 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1935 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1936 * opts.c (common_handle_option): Allow disabling it.
1937 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1939 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1941 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1942 between modes if both types are integral.
1944 2010-04-23 Richard Guenther <rguenther@suse.de>
1946 PR tree-optimization/43572
1947 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1949 2010-04-23 Richard Guenther <rguenther@suse.de>
1952 * tree-inline.c (tree_can_inline_p): Also check compatibility
1955 2010-04-23 Martin Jambor <mjambor@suse.cz>
1957 PR tree-optimization/43846
1958 * tree-sra.c (struct access): New flag grp_assignment_read.
1959 (build_accesses_from_assign): Set grp_assignment_read.
1960 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1961 (enum mark_read_status): New type.
1962 (analyze_access_subtree): Propagate grp_assignment_read, create
1963 accesses also if both direct_read and root->grp_assignment_read.
1965 2010-04-23 Martin Jambor <mjambor@suse.cz>
1968 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1969 function does not have type attributes.
1971 2010-04-23 Richard Guenther <rguenther@suse.de>
1974 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1977 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1979 * sese.h (create_if_region_on_edge): Remove.
1981 * sese.c (create_if_region_on_edge): Make static.
1983 * tree-inline.c: Do not include ggc.h.
1985 * expr.c: Do not include ggc.h.
1987 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1990 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1993 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1994 in the middle of insns for casesi_worker_2.
1996 2010-04-22 David Edelsohn <edelsohn@gnu.org>
1998 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2000 2010-04-22 Ira Rosen <irar@il.ibm.com>
2002 PR tree-optimization/43842
2003 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2004 loop unrolling in update of exit phis. Fix comment.
2005 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2006 least two reduction statements in the loop before starting SLP
2009 2010-04-22 Nick Clifton <nickc@redhat.com>
2011 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2013 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
2015 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2018 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2020 * tree-parloops.c (loop_parallel_p): New argument
2021 parloop_obstack. Pass it down.
2022 (parallelize_loops): New variable parloop_obstack. Initialize it,
2023 pass it down, free it.
2025 * tree-loop-linear.c (linear_transform_loops): Pass down
2028 * tree-data-ref.h (lambda_compute_access_matrices): New argument
2029 of type struct obstack *.
2031 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2032 scratch_obstack. Initialize it, pass down, free it.
2034 * lambda.h (lambda_loop_new): Remove.
2035 (lambda_matrix_new, lambda_matrix_inverse)
2036 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2037 argument of type struct obstack *.
2039 * lambda-trans.c (lambda_trans_matrix_new): New argument
2040 lambda_obstack. Pass it down, use obstack allocation for ret.
2041 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
2044 * lambda-mat.c (lambda_matrix_get_column)
2045 (lambda_matrix_project_to_null): Remove.
2046 (lambda_matrix_new): New argument lambda_obstack. Use obstack
2048 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2051 * lambda-code.c (lambda_loop_new): New function.
2052 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2053 (lambda_compute_auxillary_space, lambda_compute_target_space)
2054 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2055 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2056 (build_access_matrix): New argument lambda_obstack. Use obstack
2058 (lambda_compute_step_signs, lambda_compute_access_matrices): New
2059 argument lambda_obstack. Pass it down.
2061 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2063 * optabs.h (expand_widening_mult): Declare.
2065 2010-04-22 Richard Guenther <rguenther@suse.de>
2067 PR tree-optimization/43845
2068 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2069 lookup the CALL_EXPR function and arguments.
2071 2010-04-22 Nick Clifton <nickc@redhat.com>
2073 * config/stormy16/stormy16.c
2074 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2075 * config/stormy16/stormy16.h: Tidy up formatting.
2076 (DONT_USE_BUILTIN_SETJMP): Remove definition.
2077 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2078 (ineqbranchsi): Delete pattern.
2079 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2080 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2081 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2082 stormy16-lib2-ucmpsi2.c.
2084 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2086 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2087 df_simulate_find_noclobber_defs as appropriate. Keep track of an
2088 extra set merge_set_noclobber, and use it to relax the final test
2090 * df.h (df_simulate_find_noclobber_defs): Declare.
2091 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2093 (df_simulate_find_noclobber_defs): New function.
2095 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
2097 * config/i386/i386.md: Use {} around multi-line preparation statements.
2099 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2101 * c-tree.h (push_init_level, pop_init_level, set_init_index)
2102 (process_init_element): New argument of type struct obstack *.
2104 * c-typeck.c (push_init_level, pop_init_level, set_designator)
2105 (set_init_index, set_init_label, set_nonincremental_init)
2106 (set_nonincremental_init_from_string, find_init_member)
2107 (output_init_element, output_pending_init_elements)
2108 (process_init_element): New argument braced_init_obstack. Pass it
2110 (push_range_stack, add_pending_init): New argument
2111 braced_init_obstack. Use obstack allocation.
2113 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2114 braced_init_obstack. Pass it down.
2115 (c_parser_braced_init): New variables ret, braced_init_obstack.
2116 Initialize obstack, pass it down and finally free it.
2118 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2121 * tree-pass.h (pass_optimize_widening_mul): Declare.
2122 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2123 gate_optimize_widening_mul): New static functions.
2124 (pass_optimize_widening_mul): New.
2125 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2126 <case MULT_EXPR>: Remove support for widening multiplies.
2127 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2128 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2129 simplify_gen_unary rather than directly building extensions.
2130 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2132 * expmed.c (expand_widening_mult): New function.
2133 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2135 2010-04-21 Jan Hubicka <jh@suse.cz>
2137 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2138 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2139 * lto-wpa-fixup.c: Remove.
2140 * Makefile.in (lto-wpa-fixup.o): Remove.
2141 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2142 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2143 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2145 2010-04-21 Jan Hubicka <jh@suse.cz>
2147 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2148 add write_optimization_summary, read_optimization_summary.
2149 (ipa_write_summaries_of_cgraph_node_set): Remove.
2150 (ipa_write_optimization_summaries): Declare.
2151 (ipa_read_optimization_summaries): Declare.
2152 * ipa-cp.c (pass_ipa_cp): Update.
2153 * ipa-reference.c (pass_ipa_reference): Update.
2154 * ipa-pure-const.c (pass_ipa_pure_const): Update.
2155 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2157 * ipa-inline.c (pass_ipa_inline): Update.
2158 * ipa.c (pass_ipa_whole_program): Update.
2159 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2160 * passes.c (ipa_write_summaries_1): Do not test wpa.
2161 (ipa_write_optimization_summaries_1): New.
2162 (ipa_write_optimization_summaries): New.
2163 (ipa_read_summaries): Do not test ltrans.
2164 (ipa_read_optimization_summaries_1): New.
2165 (ipa_read_optimization_summaries): New.
2167 2010-04-21 Jan Hubicka <jh@suse.cz>
2169 * lto-cgraph.c (lto_output_node): Do not output comdat groups
2171 (output_cgraph): Do not arrange comdat groups for boundary nodes.
2173 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2176 * dwarf2out.c (add_name_and_src_coords_attributes): Add
2177 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2179 2010-04-21 Jan Hubicka <jh@suse.cz>
2181 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2183 2010-04-21 Jan Hubicka <jh@suse.cz>
2185 * varpool.c (decide_is_variable_needed): Variable is always needed
2188 2010-04-21 Jan Hubicka <jh@suse.cz>
2190 * opts.c (decode_options): Enable pure-const pass for whopr.
2192 2010-04-21 Jan Hubicka <jh@suse.cz>
2194 * cgraph.c (dump_cgraph_node): Dump also assembler name.
2195 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2197 (cgraph_decide_inlining): Do not expect callee to be removed in all
2200 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
2202 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2204 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2206 * config/i386/i386.md (x86_shrd): Add athlon_decode and
2207 amdfam10_decode attributes.
2209 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2212 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2213 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2214 (lower_copyprivate_clauses): Use private var in outer
2215 context instead of original var. Make sure the types
2216 are correct for VLAs.
2218 2010-04-21 Richard Guenther <rguenther@suse.de>
2220 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2221 to non-pointer objects.
2223 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2225 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
2226 last chain entry if it starts with the still current label.
2227 (add_location_or_const_value_attribute): Check that
2228 loc_list->first->next is NULL instead of comparing ->first with ->last.
2229 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2230 to add_var_loc_to_decl.
2232 * dwarf2out.c (output_call_frame_info): For dw_cie_version
2233 >= 4 add also address size and segment size fields into CIE header.
2235 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2236 long as address size is the same as sizeof (void *) and
2238 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
2239 address size or segment size is unexpected, return DW_EH_PE_omit.
2240 (classify_object_over_fdes): If get_cie_encoding returned
2241 DW_EH_PE_omit, return -1.
2242 (init_object): If classify_object_over_fdes returned -1,
2243 pretend there were no FDEs at all.
2245 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2247 * config/i386/i386.md (bswap<mode>2): Macroize expander from
2248 bswap{si,di}2 using SWI48 mode iterator.
2249 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2250 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
2251 set modrm attribute of bswap insn to 0 and remove length attribute.
2252 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2253 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
2254 set mode attribute to <MODE> and remove length attribute.
2256 2010-04-20 James E. Wilson <wilson@codesourcery.com>
2258 PR rtl-optimization/43520
2259 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2260 zero available registers.
2262 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2264 * builtins.c (fold_builtin_cproj): Fold more cases.
2266 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2268 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2269 (fold_builtin_1): Fold builtin cproj.
2270 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2271 Use ATTR_CONST_NOTHROW_LIST.
2273 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
2275 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2276 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
2277 ffsi2_no_cmove for !TARGET_CMOVE.
2278 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
2279 (ffssi2): Remove expander.
2280 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2282 (ctz<mode>2): Ditto from ctz{si,di}2.
2283 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2285 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2288 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2290 * dwarf2out.c (AT_linkage_name): Define.
2291 (clone_as_declaration): Handle DW_AT_linkage_name.
2292 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2293 of DW_AT_MIPS_linkage_name.
2294 (move_linkage_attr): Likewise.
2295 (dwarf2out_finish): Likewise.
2297 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
2300 * fold-const.c (fold_comparison): New folding rule.
2302 2010-04-20 Anatoly Sokolov <aesok@post.ru>
2304 * double-int.h (double_int_setbit): Declare.
2305 * double-int.c (double_int_setbit): New function.
2306 * rtl.h (immed_double_int_const): Declare.
2307 * emit-rtl.c (immed_double_int_const): New function.
2308 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2309 and immed_double_int_const functions.
2310 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2311 expand_copysign_bit): (Ditto.).
2312 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2313 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2314 * dojump.c (prefer_and_bit_test): (Ditto.).
2315 * expr.c (convert_modes, reduce_to_bit_field_precision,
2316 const_vector_from_tree): (Ditto.).
2317 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2319 2010-04-20 Jan Hubicka <jh@suse.cz>
2321 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2322 (dump_cgraph_node): Dump new flags.
2323 * cgraph.h (struct cgraph_node): Add flags
2324 reachable_from_other_partition and in_other_partition.
2325 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2326 other partition can not be removed.
2327 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2328 the other partition must be output; silence sanity checking on
2329 leaking functions bodies from other paritition.
2330 * lto-cgraph.c (reachable_from_other_partition_p): New function.
2331 (lto_output_node): Output new flags; do not sanity check that inline
2332 clones are output; drop lto_forced_extern_inline_p code; do not mock
2333 visibility flags at partition boundaries.
2334 (add_node_to): New function.
2335 (output_cgraph): Use it to sort functions so masters appear before
2337 (input_overwrite_node): Input new flags.
2338 * passes.c (ipa_write_summaries): Do not call
2339 lto_new_extern_inline_states.
2340 * lto-section-out.c (forced_extern_inline,
2341 lto_new_extern_inline_states lto_delete_extern_inline_states,
2342 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2343 * lto-streamer.h (lto_new_extern_inline_states,
2344 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2345 lto_forced_extern_inline_p): Kill.
2347 2010-04-20 Richard Guenther <rguenther@suse.de>
2349 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2350 from vars that can have pointers.
2351 (process_constraint): Dump useless constraints.
2353 2010-04-20 Richard Guenther <rguenther@suse.de>
2355 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2356 (dump_sa_points_to_info): Remove asserts.
2357 (init_base_vars): nothing_id isn't an escape point nor does it
2360 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2362 * tree.h (TYPE_REF_IS_RVALUE): Define.
2363 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2364 should_move_die_to_comdat, prune_unused_types_walk): Handle
2365 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2366 (modified_type_die, gen_reference_type_die): Emit
2367 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2368 if TYPE_REF_IS_RVALUE and -gdwarf-4.
2370 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2373 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2374 calls for -fpic -m31 if they have been sibcall optimized.
2376 2010-04-19 James E. Wilson <wilson@codesourcery.com>
2378 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2379 ar.lc fixed and call-used.
2381 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2383 2010-04-19 Jan Hubicka <jh@suse.cz>
2385 * opts.c (decode_options): Disable whpr incompatible passes.
2386 * lto/lto.c (lto_1_to_1_map): Skip clones.
2387 (read_cgraph_and_symbols): Do not mark everything as needed.
2388 (do_whole_program_analysis): Do map only after optimizing;
2389 set proper cgraph_state; use passmanager.
2391 2010-04-19 DJ Delorie <dj@redhat.com>
2393 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2394 POINTER_PLUS_EXPR and fix them.
2396 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
2398 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2399 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2400 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2401 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2402 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2403 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2404 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2405 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2406 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2407 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2408 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2410 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
2412 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2413 (check_cond_move_block): Likewise.
2414 (cond_move_process_if_block): Likewise.
2415 (noce_find_if_block): Improve formatting.
2416 (find_if_header): Pass 0 to memset and tweak conditions.
2417 (cond_exec_find_if_block): Fix long lines and tweak conditions.
2419 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2421 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2425 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2426 with non-local decl doesn't need chain.
2428 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
2430 * ira-color.c (allocno_reload_assign): Avoid accumulating
2431 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2433 2010-04-19 Martin Jambor <mjambor@suse.cz>
2435 * gimple.h (create_tmp_reg): Declare.
2436 * gimplify.c (create_tmp_reg): New function.
2437 (gimplify_return_expr): Use create_tmp_reg.
2438 (gimplify_omp_atomic): Likewise.
2439 (gimple_regimplify_operands): Likewise.
2440 * tree-dfa.c (make_rename_temp): Likewise.
2441 * tree-predcom.c (predcom_tmp_var): Likewise.
2442 (reassociate_to_the_same_stmt): Likewise.
2443 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2444 (get_replaced_param_substitute): Likewise.
2445 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2446 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2447 * tree-ssa-pre.c (get_representative_for): Likewise.
2448 (create_expression_by_pieces): Likewise.
2449 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2450 (create_tailcall_accumulator): Likewise.
2452 2010-04-19 Martin Jambor <mjambor@suse.cz>
2454 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2456 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2458 2010-04-19 Richard Guenther <rguenther@suse.de>
2460 PR tree-optimization/43796
2461 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2462 from SCEV in the lattice.
2463 (vrp_visit_phi_node): Dump change.
2465 2010-04-19 Richard Guenther <rguenther@suse.de>
2467 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2468 * configure: Re-generated.
2470 2010-04-19 Richard Guenther <rguenther@suse.de>
2472 PR tree-optimization/43783
2473 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2474 constant ARRAY_REF operands two and three if possible.
2476 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
2479 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2481 2010-04-19 Jie Zhang <jie@codesourcery.com>
2484 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2486 2010-04-19 Ira Rosen <irar@il.ibm.com>
2488 PR tree-optimization/37027
2489 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2490 and macro to access it.
2491 (vectorizable_reduction): Add argument.
2492 (vect_get_slp_defs): Likewise.
2493 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2494 statements for possible use in SLP.
2495 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2496 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2497 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2499 (vectorizable_reduction): Likewise.
2500 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2502 (vectorizable_type_demotion, vectorizable_type_promotion,
2503 vectorizable_store): Likewise.
2504 (vect_analyze_stmt): Update call to vectorizable_reduction.
2505 (vect_transform_stmt): Likewise.
2506 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2507 (vect_build_slp_tree): Fix indentation. Check that there are no loads
2508 from different interleaving chains in same node.
2509 (vect_slp_rearrange_stmts): New function.
2510 (vect_supported_load_permutation_p): Allow load permutations for
2511 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2512 inside SLP nodes if necessary.
2513 (vect_analyze_slp_instance): Handle reductions.
2514 (vect_analyze_slp): Try to build SLP instances originating from groups
2516 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2517 (vect_get_constant_vectors): Create initial vectors for reductions
2518 according to reduction code. Add new argument.
2519 (vect_get_slp_defs): Add new argument, pass it to
2520 vect_get_constant_vectors.
2521 (vect_schedule_slp_instance): Remove SLP tree root statements.
2523 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2525 * tree.h (ENUM_IS_SCOPED): Define.
2526 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2527 for ENUM_IS_SCOPED enums.
2529 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
2531 * fold-const.c (fold_comparison): Use ssizetype.
2532 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2533 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2534 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2535 * tree-object-size.c (compute_object_sizes): Use size_type_node.
2537 * tree.h (initialize_sizetypes): Remove parameter.
2538 (build_common_tree_nodes): Remove second parameter.
2539 * stor-layout.c (initialize_sizetypes): Remove parameter.
2540 Always create an unsigned type.
2541 (set_sizetype): Assert that the passed type is unsigned and simplify.
2542 * tree.c (build_common_tree_nodes): Remove second parameter.
2543 Adjust call to initialize_sizetypes.
2544 * c-decl.c (c_init_decl_processing): Remove second argument in call to
2545 build_common_tree_nodes.
2547 2010-04-18 Matthias Klose <doko@ubuntu.com>
2549 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2551 2010-04-18 Ira Rosen <irar@il.ibm.com>
2553 PR tree-optimization/43771
2554 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2555 load permutation doesn't have gaps.
2557 2010-04-18 Jan Hubicka <jh@suse.cz>
2559 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2560 (sse_prologue_save_insn expander): Use new pattern.
2561 (sse_prologue_save_insn1): New pattern and splitter.
2562 (sse_prologue_save_insn): Update to deal also with 64bit aligned
2564 * i386.c (setup_incoming_varargs_64): Do not compute jump
2566 (ix86_gimplify_va_arg): Update alignment needed.
2567 (ix86_local_alignment): Do not align all local arrays to 128bit.
2569 2010-04-17 Jan Hubicka <jh@suse.cz>
2571 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2573 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2575 * arm.md (negdi2): Remove redundant code to force values into a
2578 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2580 * arm/bpabi.S: Add EABI alignment attributes to objects.
2581 * arm/bpabi-v6m.S: Likewise.
2582 * arm/crti.asm: Likewise.
2583 * arm/crtn.asm: Likewise.
2584 * arm/lib1funcs.asm: Likewise.
2585 * arm/libunwind.S: Likewise.
2587 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2589 * arm-protos.h (tune_params): New structure.
2590 * arm.c (current_tune): New variable.
2591 (arm_constant_limit): Delete.
2592 (struct processors): Add pointer to the tune parameters.
2593 (arm_slowmul_tune): New tuning option.
2594 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2595 (all_cores): Adjust to pick up the tuning model.
2596 (arm_constant_limit): New function.
2597 (arm_override_options): Select the appropriate tuning model. Delete
2598 initialization of arm_const_limit.
2599 (arm_split_constant): Use the new constant-limit model.
2600 (arm_rtx_costs): Pick up the current tuning model.
2601 * arm.md (is_strongarm, is_xscale): Delete.
2602 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2603 for Xscale variant architectures.
2604 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2606 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2608 * config/arm/arm.c (arm_gen_constant): Remove unused variable
2610 (arm_rtx_costs_1): Remove unused variable extra_cost.
2611 (arm_unwind_emit_set): Use variable offset.
2612 (thumb1_output_casesi): Remove unused variable flags.
2614 2010-04-16 Jeff Law <law@redhat.com>
2616 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2617 needing assignment rather than doing a two-phase assignment. Remove
2618 unused variable 'm'.
2620 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2623 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2625 2010-04-16 Doug Kwan <dougkwan@google.com>
2627 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2628 (next_operand_entry_id): New static variable.
2629 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2630 (add_to_ops_vec): Assigned unique ID to operand entry.
2631 (struct oecount_s): New field ID.
2632 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2633 (undistribute_ops_list): Assign unique IDs to oecounts.
2634 (init_reassoc): reset next_operand_entry_id.
2636 2010-04-16 Doug Kwan <dougkwan@google.com>
2638 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2639 missing left parenthesis.
2641 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
2643 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2644 *btdi_rex64 using SWI48 mode iterator.
2645 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2646 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2647 *jcc_btdi_mask_rex64.
2649 2010-04-16 Anatoly Sokolov <aesok@post.ru>
2651 * double-int.h (tree_to_double_int): Convert to macro.
2652 * double-int.c (tree_to_double_int): Remove.
2654 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2657 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2658 with want_address 2 and in case a single element list might be
2659 possible, call it again with want_address 0.
2661 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2663 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2664 case 'W' print operands for HI mode.
2665 * config/h8300/h8300.h (Y0, Y2) : New constraints.
2666 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2667 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2668 * config/h8300/predicate.md (bit_register_indirect_operand): New.
2670 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2672 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2673 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2674 #xx:3 and #xx:4 mode.
2676 * config/h8300/h8300.md (inverted load with HImode dest): Add
2677 support for H8300SX.
2679 * config/h8300/predicate.md (bit_operand): Allow immediate values that
2680 satisfy 'U' constraint.
2682 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2684 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2685 * configure: Regenerate.
2686 * config.in: Regenerate.
2687 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2690 2010-04-16 Richard Guenther <rguenther@suse.de>
2692 * tree.h (struct tree_decl_minimal): Move pt_uid ...
2693 (struct tree_decl_common): ... here.
2694 (DECL_PT_UID): Adjust.
2695 (SET_DECL_PT_UID): Likewise.
2696 (DECL_PT_UID_SET_P): Likewise.
2698 2010-04-16 Richard Guenther <rguenther@suse.de>
2700 PR tree-optimization/43572
2701 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2702 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2703 * tree-flow.h (is_call_clobbered): Remove.
2704 * tree-flow-inline.h (is_call_clobbered): Likewise.
2705 * tree-dfa.c (dump_variable): Do not dump call clobber state.
2706 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2707 (execute_return_slot_opt): Adjust.
2708 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2709 check for call clobbered vars here.
2710 (find_tail_calls): Move tailcall verification to the
2713 2010-04-16 Diego Novillo <dnovillo@google.com>
2715 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2717 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2720 * config/arm/arm.md (cbranchqi4): New pattern.
2721 * config/arm/predicates.md (const0_operand,
2722 cbranchqi4_comparison_operator): New predicates.
2724 2010-04-16 Richard Guenther <rguenther@suse.de>
2726 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2727 (dump_gimple_stmt): Likewise.
2729 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2731 * recog.h (struct recog_data): New field is_operator.
2732 (struct insn_operand_data): New field is_operator.
2733 * recog.c (extract_insn): Set recog_data.is_operator.
2734 * genoutput.c (output_operand_data): Emit code to set the
2736 * reload.c (find_reloads): Use it rather than testing for an
2737 empty constraint string.
2740 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2741 If the previous insn is a cbranchsi4_insn with the same arguments,
2742 omit the compare instruction.
2744 * config/arm/arm.md (addsi3_cbranch): If destination is a high
2745 register, inputs must be low registers and we need a low register
2746 scratch. Handle alternative 2 like alternative 3.
2748 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2750 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2751 don't call get_addr on both. If one expression is a VALUE and
2752 the other a REG, check VALUE's locs if the REG isn't among them.
2754 2010-04-16 Christian Bruel <christian.bruel@st.com>
2756 * config/sh/sh.h (sh_frame_pointer_required): New function.
2757 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2758 (flag_omit_frame_pointer) Set.
2759 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2760 (rounded_frame_size): Adjust size with outgoing_args_size.
2761 (sh_set_return_address): Must return from stack pointer.
2762 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2763 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2764 (ACCUMULATE_OUTGOING_ARGS): Define.
2765 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2766 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2768 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2771 * config/sh/sh.c (sh_legitimize_reload_address): Use
2772 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2773 Remove a unneeded check for offset_base.
2775 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
2777 * configure: Regenerated.
2779 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2781 * config/s390/s390.c (s390_call_save_register_used): Switch back
2782 to HARD_REGNO_NREGS.
2784 2010-04-15 Richard Guenther <rguenther@suse.de>
2786 * alias.c (alias_set_subset_of): Handle alias-set zero
2789 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
2790 Julian Brown <julian@codesourcery.com>
2792 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2793 alternatives according to use of high and low regs.
2794 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2795 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2796 optimizing for size on Thumb-2.
2798 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
2800 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2802 2010-04-15 Richard Guenther <rguenther@suse.de>
2804 * tree-ssa-structalias.c (struct variable_info): Add
2806 (new_var_info): Initialize it.
2807 (dump_constraints): Support printing last added constraints.
2808 (debug_constraints): Adjust.
2809 (dump_constraint_graph): Likewise.
2810 (make_heapvar_for): Check for NULL cfun.
2811 (get_function_part_constraint): New function.
2812 (get_fi_for_callee): Likewise.
2813 (find_func_aliases): Properly implement IPA PTA constraints.
2814 (process_ipa_clobber): New function.
2815 (find_func_clobbers): Likewise.
2816 (insert_into_field_list_sorted): Remove.
2817 (create_function_info_for): Properly allocate vars for IPA mode.
2818 Do not use insert_into_field_list_sorted.
2819 (create_variable_info_for): Properly generate constraints for
2820 global vars in IPA mode.
2821 (dump_solution_for_var): Always dump the solution.
2822 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2823 (find_what_var_points_to): Adjust.
2824 (pt_solution_set): Change.
2825 (pt_solution_ior_into): New function.
2826 (pt_solution_empty_p): Export.
2827 (pt_solution_includes_global): Adjust.
2828 (pt_solution_includes_1): Likewise.
2829 (pt_solutions_intersect_1): Likewise.
2830 (dump_sa_points_to_info): Check some invariants.
2831 (solve_constraints): Move constraint dumping ...
2832 (compute_points_to_sets): ... here.
2833 (ipa_pta_execute): ... and here.
2834 (compute_may_aliases): Do not re-compute points-to info
2835 locally if IPA info is available.
2836 (ipa_escaped_pt): New global var.
2837 (ipa_pta_execute): Properly implement IPA PTA.
2838 * tree-into-ssa.c (dump_decl_set): Support dumping
2839 decls not in referenced-vars.
2840 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2841 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2842 (dump_points_to_solution): Likewise.
2843 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2844 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2845 (remap_gimple_stmt): Reset call clobber/use information if necessary.
2846 (copy_decl_to_var): Copy DECL_PT_UID.
2847 (copy_result_decl_to_var): Likewise.
2848 * tree.c (make_node_stat): Initialize DECL_PT_UID.
2849 (copy_node_stat): Copy it.
2850 * tree.h (DECL_PT_UID): New macro.
2851 (SET_DECL_PT_UID): Likewise.
2852 (DECL_PT_UID_SET_P): Likewise.
2853 (struct tree_decl_minimal): Add pt_uid member.
2854 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2855 (pt_solution_empty_p): Declare.
2856 (pt_solution_set): Adjust.
2857 (ipa_escaped_pt): Declare.
2858 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2859 * gimple-pretty-print.c (pp_points_to_solution): New function.
2860 (dump_gimple_call): Dump call clobber/use information.
2861 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2862 * tree-pass.h (TDF_ALIAS): New dump option.
2863 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2864 * doc/invoke.texi (-fipa-pta): Update documentation.
2866 2010-04-15 Richard Guenther <rguenther@suse.de>
2868 * Makefile.in (OBJS-common): Add gimple-fold.o.
2869 (gimple-fold.o): New rule.
2870 * tree.h (maybe_fold_offset_to_reference,
2871 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2873 * gimple.h: ... here.
2874 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2875 may_propagate_address_into_dereference): Move prototypes ...
2876 * gimple.h: ... here.
2877 * tree-ssa-ccp.c (get_symbol_constant_value,
2878 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2879 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2880 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2881 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2882 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2883 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2884 gimplify_and_update_call_from_tree): Move ...
2885 * gimple-fold.c: ... here. New file.
2886 (ccp_fold_builtin): Rename to ...
2887 (gimple_fold_builtin): ... this.
2888 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2890 2010-04-15 Richard Guenther <rguenther@suse.de>
2892 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2893 fit_double_type, force_fit_type_double, add_double_with_sign,
2894 neg_double, mul_double_with_sign, lshift_double, rshift_double,
2895 lrotate_double, rrotate_double, div_and_round_double): Move ...
2896 * double-int.c: ... here.
2897 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2898 add_double, neg_double, mul_double_with_sign, mul_double,
2899 lshift_double, rshift_double, lrotate_double, rrotate_double,
2900 div_and_round_double): Move prototypes ...
2901 * double-int.h: ... here.
2903 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
2906 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
2907 matching constraints to ensure inputs match the output.
2909 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2912 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2913 in an input-only operand.
2915 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2917 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2918 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2919 (double_int_negative_p): Convert to static inline function.
2920 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2921 (double_int_negative_p): Remove.
2922 * tree.h (lshift_double, rshift_double):
2923 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2924 * fold-const.c (fold_convert_const_int_from_real,
2925 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2926 (lshift_double): Change type of arith argument to bool.
2927 (rshift_double): Change type of arith argument to bool. Correct
2929 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2931 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2934 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2935 at the start and end of the then/else blocks, and omit them from the
2937 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2938 argument; all callers changed. Pass zero to old_insns_match_p instead.
2939 (flow_find_head_matching_sequence): New function.
2940 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2941 * basic-block.h (flow_find_cross_jump,
2942 flow_find_head_matching_sequence): Declare functions.
2944 2010-04-14 Jason Merrill <jason@redhat.com>
2947 * c-common.c (attribute_takes_identifier_p): New fn.
2948 * c-common.h: Declare it.
2950 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2952 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2954 (*udivmod<mode>4): Ditto.
2956 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2958 * config/i386/i386.md (maxmin_int): Rename code attribute from
2959 maxminiprefix and update all users.
2960 (maxmin_float): Ditto from maxminfprefix.
2961 (logic): Ditto from logicprefix.
2962 (absneg_mnemonic): Ditto from absnegprefix.
2963 * config/i386/mmx.md: Update all users of maxminiprefix,
2964 maxminfprefix and logicprefix for rename.
2965 * config/i386/sse.md: Ditto.
2966 * config/i386/sync.md (sync_<code><mode>): Update for
2969 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2972 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2973 warnings converted to errors.
2975 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2977 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2978 used insn_type variable.
2979 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2980 to avoid set-but-not-used warning.
2982 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2984 * df-core.c (df_ref_debug): Change format string placeholder
2986 * dwarf2asm.c (dw2_asm_output_data_raw,
2987 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2988 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2989 * dwarf2out.c (output_cfi, output_cfi_directive,
2990 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2991 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2993 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2994 * print-rtl.c (print_rtx): Ditto.
2996 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2999 * builtins.c (expand_builtin_pow_root): New function to expand pow
3000 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3001 series of sqrt and cbrt calls under -ffast-math.
3002 (expand_builtin_pow): Call it.
3004 2010-04-14 Michael Matz <matz@suse.de>
3006 PR tree-optimization/42963
3007 * tree-cfg.c (touched_switch_bbs): New static variable.
3008 (group_case_labels_stmt): New function broken out from ...
3009 (group_case_labels): ... here, use the above.
3010 (start_recording_case_labels): Allocate touched_switch_bbs.
3011 (end_recording_case_labels): Deallocate it, call
3012 group_case_labels_stmt.
3013 (gimple_redirect_edge_and_branch): Remember index of affected BB.
3015 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3017 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3020 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3022 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3024 2010-04-13 Jan Hubicka <jh@suse.cz>
3026 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3027 of optimized out static functions.
3028 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3029 cost computation. Also sanity check for overflows.
3030 (update_caller_keys): Update cgraph_edge_badness call; properly
3031 update fibheap and sanity check that it is up to date.
3032 (add_new_edges_to_heap): Update cgraph_edge_badness.
3033 (cgraph_decide_inlining_of_small_function): Likewise;
3034 add sanity checking that badness in heap is up to date;
3035 improve dumping of reason; Update badness of calls to the
3036 offline copy of function currently inlined; dump badness
3037 of functions not inlined because of unit growth limits.
3039 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
3042 * c-common.c (pointer_int_sum): Disregard overflow that occured only
3043 because of sign-extension change when converting to sizetype here...
3044 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3046 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3047 the folding to constants. Remove redundant final conversion.
3048 (fold_binary) <associate>: Do not associate if the re-association of
3049 constants alone overflows.
3050 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3051 to the end of the list.
3052 (multiple_of_p) <COND_EXPR>: New case.
3054 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
3056 * opt-functions.awk (opt_sanitized_name): New.
3058 * optc-gen.awk: Use it
3059 * opth-gen.awk: Use it.
3061 2010-04-13 Martin Jambor <mjambor@suse.cz>
3063 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3064 (sra_modify_assign): Delete stmts loading dead data even if racc has no
3065 children. Call replace_uses_with_default_def_ssa_name to handle
3068 2010-04-13 Michael Matz <matz@suse.de>
3071 * builtins.c (expand_builtin_interclass_mathfn): Also create
3072 a register if the predicate doesn't match.
3074 2010-04-13 Diego Novillo <dnovillo@google.com>
3076 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3077 * c-pch.c: Include timevar.h.
3078 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3079 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3080 * ggc-common.c: Include timevar.h.
3081 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3082 * timevar.def (TV_PCH_SAVE): Define.
3083 (TV_PCH_CPP_SAVE): Define.
3084 (TV_PCH_PTR_REALLOC): Define.
3085 (TV_PCH_PTR_SORT): Define.
3086 (TV_PCH_RESTORE): Define.
3087 (TV_PCH_CPP_RESTORE): Define.
3089 2010-04-13 Michael Matz <matz@suse.de>
3091 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3093 (can_reassociate_p): New function.
3094 (break_up_subtract_bb, reassociate_bb): Use it.
3096 2010-04-13 Richard Guenther <rguenther@suse.de>
3099 * builtins.c (c_readstr): Fix assert.
3101 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
3103 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3104 when generating cltd insn.
3106 (*ashl<mode>3_1): Remove special handling for register operand 2.
3107 (*ashlsi3_1_zext): Ditto.
3108 (*ashlhi3_1): Ditto.
3109 (*ashlhi3_1_lea): Ditto.
3110 (*ashlqi3_1): Ditto.
3111 (*ashlqi3_1_lea): Ditto.
3112 (*<shiftrt_insn><mode>3_1): Ditto.
3113 (*<shiftrt_insn>si3_1_zext): Ditto.
3114 (*<shiftrt_insn>qi3_1_slp): Ditto.
3115 (*<rotate_insn><mode>3_1): Ditto.
3116 (*<rotate_insn>si3_1_zext): Ditto.
3117 (*<rotate_insn>qi3_1_slp): Ditto.
3119 2010-04-13 Richard Guenther <rguenther@suse.de>
3121 * tree-ssa-structalias.c (callused_id): Remove.
3122 (call_stmt_vars): New.
3123 (get_call_vi): Likewise.
3124 (lookup_call_use_vi): Likewise.
3125 (lookup_call_clobber_vi): Likewise.
3126 (get_call_use_vi): Likewise.
3127 (get_call_clobber_vi): Likewise.
3128 (make_transitive_closure_constraints): Likewise.
3129 (handle_const_call): Adjust to do per-call call-used handling.
3130 (handle_pure_call): Likewise.
3131 (find_what_var_points_to): Remove general callused handling.
3132 (init_base_vars): Likewise.
3133 (init_alias_vars): Initialize call_stmt_vars.
3134 (compute_points_to_sets): Process call-used and call-clobbered
3135 vars for call statements.
3136 (delete_points_to_sets): Free call_stmt_vars.
3138 2010-04-13 Richard Guenther <rguenther@suse.de>
3140 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3141 Only add RW dependence for dependence distance zero.
3142 Adjust maximal vectorization factor according to dependences.
3143 Move alignment handling ...
3144 (vect_find_same_alignment_drs): ... here. New function.
3145 (vect_analyze_data_ref_dependences): Adjust.
3146 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3147 (vect_analyze_data_refs): Adjust minimal vectorization factor
3148 according to data references.
3149 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3150 dependences before determining the vectorization factor.
3151 Analyze alignment after determining the vectorization factor.
3152 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3153 dependences before alignment.
3154 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3156 (vect_analyze_data_refs): Likewise.
3157 (MAX_VECTORIZATION_FACTOR): New define.
3159 2010-04-13 Duncan Sands <baldrick@free.fr>
3161 * except.h (lang_eh_type_covers): Remove.
3162 * except.c (lang_eh_type_covers): Likewise.
3164 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3165 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3167 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3168 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3169 UNITS_PER_LONG where it is ABI relevant.
3170 (s390_return_addr_rtx): Likewise.
3171 (s390_back_chain_rtx): Likewise.
3172 (s390_frame_area): Likewise.
3173 (s390_frame_info): Likewise.
3174 (s390_initial_elimination_offset): Likewise.
3175 (save_gprs): Likewise.
3176 (s390_emit_prologue): Likewise.
3177 (s390_emit_epilogue): Likewise.
3178 (s390_function_arg_advance): Likewise.
3179 (s390_function_arg): Likewise.
3180 (s390_va_start): Likewise.
3181 (s390_gimplify_va_arg): Likewise.
3182 (s390_function_profiler): Likewise.
3183 (s390_optimize_prologue): Likewise.
3184 (s390_rtx_costs): Likewise.
3185 (s390_secondary_reload): Likewise.
3186 (s390_promote_function_mode): Likewise.
3187 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3188 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3189 registers available.
3190 (s390_unwind_word_mode): New function.
3191 (s390_function_value): Split 64 bit values into register pair if
3192 used as return value.
3193 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3194 function call parameters. Handle parallels.
3195 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3196 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3197 (DWARF_CIE_DATA_ALIGNMENT): New macro.
3198 (s390_expand_setmem): Remove unused variable src_addr.
3199 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3200 deal with 64 bit registers.
3201 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3202 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3203 (UNITS_PER_LONG): New macro.
3204 * libjava/include/s390-signal.h: Define extended ucontext
3205 structure containing the upper halfs of the 64 bit registers.
3207 2010-04-13 Simon Baldwin <simonb@google.com>
3209 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3211 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
3213 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3214 rvalue on the RHS if the LHS is of a non-renamable type.
3215 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3217 2010-04-13 Matthias Klose <doko@ubuntu.com>
3219 * gcc.c (cc1_options): Handle -iplugindir before processing
3220 the cc1 spec. Only add -iplugindir once.
3221 (cpp_unique_options): Add -iplugindir option if -fplugin* options
3223 * common.opt (iplugindir): Remove `Separate' property, initialize.
3224 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3226 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3227 (distclean): Remove plugin dir.
3228 * doc/invoke.texi: Document -iplugindir.
3230 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
3232 * doc/plugins.texi (Loading Plugins): Document short
3233 -fplugin=foo option.
3234 (Plugin API): Mention default_plugin_dir_name function.
3236 * gcc.c (find_file_spec_function): Add new declaration.
3237 (static_spec_func): Use it for "find-file".
3238 (find_file_spec_function): Add new function.
3239 (cc1_options): Add -iplugindir option if -fplugin* options found.
3241 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3243 * plugin.c (add_new_plugin): Updated comment, and handle short
3245 (default_plugin_dir_name): Added new function.
3247 * common.opt (iplugindir): New option to set the plugin directory.
3249 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
3251 * config/i386/i386.md (any_rotate): New code iterator.
3252 (rotate_insn): New code attribute.
3254 (SWIM124): New mode iterator.
3255 (<rotate_insn>ti3): New expander.
3256 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3257 any_rotate code iterator.
3258 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3259 using any_rotate code iterator and SWIM124 mode iterator.
3260 (ix86_rotlti3): New insn_and_split pattern.
3261 (ix86_rotrti3): Ditto.
3262 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3263 ix86_rotl{di,ti}3 patterns.
3264 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3265 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3266 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3267 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3268 code iterator and SWI mode iterator.
3269 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3270 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3272 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3273 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3274 (bswap rotatert splitter): Add splitter.
3275 (bswap splitter): Macroize splitter using any_rotate code iterator.
3276 Add insn predicate to split only for TARGET_USE_XCHGB or when
3277 optimizing function for size.
3279 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3281 * config/pa/pa.c (emit_move_sequence): Remove use of
3282 deleted variable flag_argument_noalias.
3284 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3286 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3288 Add to unsupported targets list.
3289 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3290 sparc*-sun-solaris2.[567]* from target lists.
3291 * configure: Regenerate.
3292 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3294 Remove Solaris 7 patch references.
3295 (Specific, sparc-sun-solaris2.7): Removed.
3296 (sparc-sun-solaris2*): Update Solaris 7 example.
3297 (sparc64-*-solaris2*): Likewise.
3299 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3301 * config.build (alpha*-dec-osf4*): Remove.
3302 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3303 of obsolete configurations.
3304 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3306 * config/alpha/t-osf4: Renamed to ...
3307 * config/alpha/t-osf5: ... this.
3308 * config/alpha/osf.h: Renamed to ...
3309 * config/alpha/osf5.h: ... this.
3310 Merged old osf5.h contents.
3312 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3313 (EXTRA_SPECS): Removed.
3314 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3315 reflect removal of Tru64 UNIX V4.0/V5.0 support.
3318 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3320 * doc/contrib.texi (Contributors, Rainer Orth): Update.
3322 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
3325 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3326 __thiscall convention.
3328 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3330 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3332 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3334 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3336 * function.c (assign_parms_initialize_all): Add unused attribute
3339 2010-04-12 Richard Guenther <rguenther@suse.de>
3341 * gsstruct.def (GSS_CALL): New.
3342 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3343 * gimple.h: Include tree-ssa-alias.h.
3344 (struct gimple_statement_call): New.
3345 (union gimple_statement_struct_d): Add gimple_call member.
3346 (gimple_call_reset_alias_info): Declare.
3347 (gimple_call_use_set): New function.
3348 (gimple_call_clobber_set): Likewise.
3349 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3350 * gimple.c (gimple_call_reset_alias_info): New function.
3351 (gimple_build_call_1): Call it.
3352 * lto-streamer-in.c (input_gimple_stmt): Likewise.
3353 * tree-inline.c (remap_gimple_stmt): Likewise.
3354 (expand_call_inline): Remove callused handling.
3355 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3356 * tree-dfa.c (dump_variable): Likewise.
3357 * tree-parloops.c (parallelize_loops): Likewise.
3358 * tree-ssa.c (init_tree_ssa): Likewise.
3359 (delete_tree_ssa): Likewise.
3360 * tree-flow-inline.h (is_call_used): Remove.
3361 * tree-flow.h (struct gimple_df): Remove callused member.
3362 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3363 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3364 (ref_maybe_used_by_call_p_1): Simplify.
3365 (call_may_clobber_ref_p_1): Likewise.
3366 * tree-ssa-structalias.c (compute_points_to_sets): Set
3367 the call stmt used and clobbered sets.
3368 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3369 (find_tail_calls): Verify the tail call.
3371 2010-04-12 Richard Guenther <rguenther@suse.de>
3373 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3374 single-iteration always-inline inlining.
3375 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3376 (cgraph_decide_inlining): Do not handle always-inline specially.
3377 (try_inline): Remove always-inline cycle detection special case.
3378 Do not recurse on always-inlines.
3379 (cgraph_early_inlining): Do not iterate if not optimizing.
3380 (cgraph_gate_early_inlining): remove.
3381 (pass_early_inline): Run unconditionally.
3382 (gate_cgraph_decide_inlining): New function.
3383 (pass_ipa_inline): Use it. Do not run the IPA inliner if
3384 not inlining or optimizing.
3385 (cgraph_decide_inlining_of_small_functions): Also consider
3386 always-inline functions.
3387 (cgraph_default_inline_p): Return true for nodes which should
3388 disregard inline limits.
3389 (estimate_function_body_sizes): Assume zero size and time for
3390 nodes which are marked as disregarding inline limits.
3391 (cgraph_decide_recursive_inlining): Do not perform recursive
3392 inlining on always-inline nodes.
3394 2010-04-12 Jakub Jelinek <jakub@redhat.com>
3397 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3398 for exprs satisfying handled_component_p.
3400 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
3402 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3403 non-constant aggregate elements.
3405 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3406 is a real initialization.
3408 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
3411 * c-decl.c (start_function): Move forward check for nested function.
3413 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
3415 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3416 * config/sh/sh.c: Include reload.h.
3417 (sh_legitimize_reload_address): New.
3418 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3419 sh_legitimize_reload_address.
3421 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3423 * config/sh/sh.md (*movqi_pop): New insn pattern.
3424 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3426 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3428 * config/i386/i386.md (any_shiftrt): New code iterator.
3429 (shiftrt_insn): New code attribute.
3431 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3432 using any_shiftrt code iterator.
3433 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3434 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3435 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3436 pattern from corresponding peephole2 patterns.
3437 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3438 using any_shiftrt code iterator.
3439 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3440 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3441 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3442 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3443 *{ashr,lshr}<mode>3_cmp_zext.
3444 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3446 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3448 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3450 (*lshr<mode>3_cconly): Ditto.
3452 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3454 * config/i386/i386.md (lshr<mode>3): Macroize expander from
3455 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3456 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3457 pattern from *lshr{di,ti}3_1 and corresponding splitters using
3459 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3460 from corresponding peephole2 patterns.
3461 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3462 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3463 and *lshrdi3_1_rex64 using SWI mode iterator.
3464 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3465 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3466 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3467 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3468 and *lshrdi3_cmp_rex64 using SWI mode iterator.
3469 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3470 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3471 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3472 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3475 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
3477 * config/i386/i386.md (ashr<mode>3): Macroize expander from
3478 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3479 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3480 pattern from *ashr{di,ti}3_1 and corresponding splitters using
3482 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3483 from corresponding peephole2 patterns.
3484 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3485 (ashrsi3_cvt): Rename from ashrsi3_31.
3486 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3487 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3488 and x86_64_shift_adj_3 using SWI48 mode iterator.
3489 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3490 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3491 and *ashrdi3_1_rex64 using SWI mode iterator.
3492 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3493 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3494 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3495 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3496 and *ashrdi3_cmp_rex64 using SWI mode iterator.
3497 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3498 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3499 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3500 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3502 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3503 * config/i386/i386.c (ix86_split_ashr): Update for renamed
3504 x86_shift<mode>_adj_3 expanders.
3506 2010-04-10 Wei Guozhi <carrot@google.com>
3509 * config/arm/arm.c (arm_pic_static_addr): New function.
3510 (legitimize_pic_address): Call arm_pic_static_addr when it detects
3512 (arm_output_addr_const_extra): Output expression for new pattern.
3513 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3515 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
3517 * ira-costs.c (record_reg_classes): Ignore alternatives that are
3520 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3521 * web.c: Include "insn-config.h" and "recog.h".
3522 (union_match_dups): New function.
3523 (web_main): Call it.
3524 (union_defs): Don't try to recognize match_dups.
3526 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3527 if doing so would replace the entire pattern.
3529 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3533 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3534 and splitter pattern. Change splitter operand 1 predicate to
3537 2010-04-09 Martin Jambor <mjambor@suse.cz>
3539 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3540 lattices are addresses of CONST_DECLs with the same initial value.
3541 (ipcp_print_all_lattices): Print values of CONST_DECLs.
3542 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3544 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
3545 Bernd Schmidt <bernds@codesourcery.com>
3547 * loop-invariant.c (replace_uses): New static function.
3548 (move_invariant_reg): Use it to ensure we can replace the uses.
3550 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
3552 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3554 (picochip_override_options): Enable section anchors only above -O1.
3555 (picochip_reorg): Fixed a couple of build warnings.
3557 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3559 * configure.ac (plugin -rdynamic test): Log result.
3560 * configure: Regenerate.
3561 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3562 (RDYNAMIC_SPEC): Define.
3563 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3565 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3567 * configure.ac: Determine Sun ld version numbers.
3568 (comdat_group): Restrict GNU ld version checks to gld.
3569 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3570 (enable_comdat): Support --enable-comdat.
3571 * configure: Regenerate.
3572 * doc/install.texi (Configuration): Document --enable-comdat.
3574 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3576 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
3577 * config/sol2-gld.h: ... here.
3578 * config.gcc (sparc*-*-solaris2*): Reflect this.
3579 (i[34567]86-*-solaris2*): Use it.
3581 2010-04-09 Steve Ellcey <sje@cup.hp.com>
3583 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3585 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3587 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3590 * diagnostic.c (diagnostic_initialize): Initialize
3591 some_warnings_are_errors.
3592 (diagnostic_finish): New.
3593 (diagnostic_action_after_output): Call it before exiting.
3594 (diagnostic_report_diagnostic): Do not print message here. Set
3595 some_warnings_are_errors.
3596 * diagnostic.h (diagnostic_context): Delete
3597 issue_warnings_are_errors_message. Add some_warnings_are_errors.
3598 (diagnostic_finish): Declare.
3599 * toplev.c (toplev_main): Call it before exit.
3601 2010-04-09 Jason Merrill <jason@redhat.com>
3604 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3605 for incomplete type.
3608 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3609 based on a warning flag.
3611 2010-04-09 Richard Guenther <rguenther@suse.de>
3613 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3615 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
3618 * varasm.c (default_assemble_visibility): Wrap vars that are
3619 set, but unused, by targets without GAS.
3620 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3621 Remove set, but unused, vars.
3622 (rs6000_legitimize_tls_address): Likewise.
3623 (altivec_expand_dst_builtin): Likewise.
3624 * config/darwin.c (machopic_classify_symbol): Likewise.
3625 (machopic_indirection_name): Likewise.
3627 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3629 * config/i386/i386.md (DWI): New mode iterator.
3630 (S): New mode attribute.
3631 (shift_operand): Ditto.
3632 (shift_immediate_operand): Ditto.
3633 (ashl_input_operand): Ditto.
3634 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3635 using SDWIM mode iterator.
3636 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
3637 pattern from *ashl{di,ti}3_1 and corresponding splitters using
3639 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3640 from corresponding peephole2 patterns.
3641 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3642 and x86_64_shift_adj_1 using SWI48 mode iterator.
3643 (x86_shift<mode>_adj_2): Ditto.
3644 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3645 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3646 using SWI48 mode iterator.
3647 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3648 *ashldi3_cmp_rex64 using SWI mode iterator.
3649 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3650 *ashldi3_cconly_rex64 using SWI mode iterator.
3651 * config/i386/i386.c (ix86_split_ashl): Update for renamed
3652 x86_shift<mode>_adj_{1,2}.
3653 (ix86_split_ashr): Ditto.
3654 (ix86_split_lshr): Ditto.
3656 2010-04-09 Richard Guenther <rguenther@suse.de>
3658 * target.h (builtin_conversion): Pass in input and output types.
3659 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3660 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3661 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3662 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3664 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3666 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3668 2010-04-09 Richard Guenther <rguenther@suse.de>
3671 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3673 2010-04-09 Richard Guenther <rguenther@suse.de>
3675 * tree-vectorizer.h (struct _stmt_vec_info): Document
3676 that vectype is the type of the LHS.
3677 (supportable_widening_operation, supportable_narrowing_operation):
3678 Get both input and output vector types as arguments.
3679 (vect_is_simple_use_1): Declare.
3680 (get_same_sized_vectype): Likewise.
3681 * tree-vect-loop.c (vect_determine_vectorization_factor):
3682 Set STMT_VINFO_VECTYPE to the vector type of the def.
3683 (vectorizable_reduction): Adjust.
3684 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3685 Adjust. Specify the output vector type.
3686 (vect_pattern_recog_1): Adjust.
3687 * tree-vect-stmts.c (get_same_sized_vectype): New function.
3688 (vectorizable_call): Adjust.
3689 (vectorizable_conversion): Likewise.
3690 (vectorizable_operation): Likewise.
3691 (vectorizable_type_demotion): Likewise.
3692 (vectorizable_type_promotion): Likewise.
3693 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3695 (vect_is_simple_use_1): New function.
3696 (supportable_widening_operation): Get both input and output
3698 (supportable_narrowing_operation): Likewise.
3699 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3701 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
3703 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3704 __thiscall and _thiscall as predefined macros.
3705 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3706 thiscall attribute handling.
3707 (ix86_comp_type_attributes): Likewise.
3708 (ix86_function_regparm): Likewise.
3709 (ix86_return_pops_args): Likewise.
3710 (init_cumulative_args): Likewise.
3711 (find_drap_reg): Likewise.
3712 (ix86_static_chain): Likewise.
3713 (x86_this_parameter): Likewise.
3714 (x86_output_mi_thunk): Likewise.
3715 (ix86_attribute_table): Add description for thiscall attribute.
3716 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3717 * doc/extend.texi: Add documentation for thiscall.
3719 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3722 * c.opt (Wint-to-pointer-cast): Available in C++.
3723 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3725 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
3727 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3728 * calls.c (expand_call): Pass the function type to aggregate_value_p.
3729 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3730 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
3731 function type instead. Reorder and simplify checks.
3733 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3735 2010-04-08 Jing Yu <jingyu@google.com>
3736 Zdenek Dvorak <ook@ucw.cz>
3738 PR tree-optimization/42720
3739 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3740 loop unswitch conditions here from ...
3741 (tree_unswitch_single_loop): ... here.
3743 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3745 * tree-if-conv.c: Fix comments and simplify logic.
3747 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3749 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3750 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
3751 (main_tree_if_conversion): Update call to tree_if_conversion.
3753 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
3756 * doc/invoke.texi (-b,-V): Delete.
3757 * doc/tm.texi: Do not mention -b.
3758 * gcc.c (display_help): Delete -b and -V.
3759 (process_command): Delete -b and -V.
3760 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3762 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
3763 Wolfgang Gellerich <gellerich@de.ibm.com>
3765 Implement target hook for loop unrolling
3766 * target.h (loop_unroll_adjust): Add a new target hook function.
3767 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3768 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3769 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3770 (s390_loop_unroll_adjust): Implement the new target hook for s390.
3771 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3773 (decide_unroll_stupid): Likewise.
3775 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3778 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3780 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3782 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3783 (Specific, *-*-solaris2*): Likewise.
3784 Don't prefer Sun as over GNU as.
3786 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
3788 * config/s390/s390.c (override_options): Adjust the z10
3789 defaults for max-unroll-times, max-completely-peeled-insns
3790 and max-completely-peel-times.
3792 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3794 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3795 instructions for z10.
3796 (s390_expand_setmem): Likewise.
3797 (s390_expand_cmpmem): Likewise.
3799 2010-04-08 Richard Guenther <rguenther@suse.de>
3801 PR tree-optimization/43679
3802 * tree-ssa-pre.c (eliminate): Only propagate copies.
3804 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3807 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3808 set but not used variable warning.
3810 2010-04-08 Wei Guozhi <carrot@google.com>
3813 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3814 (arm_size_rtx_costs): Call the new function when optimized for size.
3816 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3819 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3820 op0 is not a MEM, just return NULL instead of assertion
3822 (discover_nonconstant_array_refs): Don't walk debug stmts.
3824 2010-04-08 Doug Kwan <dougkwan@google.com>
3826 * configure.ac: Recognize gold and do not use its version number
3827 to test ld features.
3828 * configure: Regenerate.
3830 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
3833 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3834 (negate_value): Move code to push elements to broken_up_substracts ...
3835 (eliminate_plus_minus_pair): ... here. Push operands that have no
3836 negative pair to plus_negates.
3837 (repropagate_negates, init_reassoc, fini_reassoc): Update.
3839 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3841 * doc/install.texi (Configuration): Move description of
3842 --enable-lto, --with-libelf*, --enable-gold from Java section to
3845 * doc/generic.texi (Working with declarations)
3846 (Function Properties, C and C++ Trees): Fix typos.
3847 * doc/sourcebuild.texi (Top Level): Likewise.
3849 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3852 * tree.h (DECL_READ_P): Define.
3853 (struct tree_decl_common): Add decl_read_flag.
3854 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3855 a set but not used warning.
3856 (merge_decls): Merge DECL_READ_P flag.
3857 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3858 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3859 * c-common.c (handle_used_attribute, handle_unused_attribute):
3861 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3863 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3865 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3866 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3867 c_parser_binary_expression, c_parser_cast_expression,
3868 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3869 Call default_function_array_read_conversion instead of
3870 default_function_array_conversion where needed.
3871 (c_parser_unary_expression, c_parser_conditional_expression,
3872 c_parser_postfix_expression_after_primary, c_parser_initelt):
3873 Likewise. Call mark_exp_read where needed.
3874 (c_parser_statement_after_labels, c_parser_asm_operands,
3875 c_parser_typeof_specifier, c_parser_sizeof_expression,
3876 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3878 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3880 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3881 (warn_unused_but_set_parameter): Default to warn_unused
3883 * doc/invoke.texi: Document -Wunused-but-set-variable and
3884 -Wunused-but-set-parameter.
3886 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3887 used count variable.
3888 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3889 when operandN variables aren't used in the body of the expander
3891 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3892 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3893 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3894 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3895 FOR_EACH_IMM_USE_ON_STMT): Likewise.
3896 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3897 * tree.c (PROCESS_ARG): Likewise.
3899 2010-04-07 Simon Baldwin <simonb@google.com>
3901 * diagnostic.h (diagnostic_override_option_index): New macro to
3902 set a diagnostic's option_index.
3903 * c-tree.h (c_cpp_error): Add warning reason argument.
3904 * opts.c (_warning_as_error_callback): New.
3905 (register_warning_as_error_callback): Store callback for
3906 warnings enabled via enable_warning_as_error.
3907 (enable_warning_as_error): Call callback, minor code tidy.
3908 * opts.h (register_warning_as_error_callback): Declare.
3909 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3910 response to -Werror=.
3911 (c_common_init_options): Register warning_as_error_callback in opts.c.
3912 * common.opt: Add -Wno-cpp option.
3913 * c-common.c (struct reason_option_codes_t): Map cpp warning
3914 reason codes to gcc option indexes.
3915 * (c_option_controlling_cpp_error): New function, lookup the gcc
3916 option index for a cpp warning reason code.
3917 * (c_cpp_error): Add warning reason argument, call
3918 c_option_controlling_cpp_error for diagnostic_override_option_index.
3919 * doc/invoke.texi: Document -Wno-cpp.
3921 2010-04-07 Richard Guenther <rguenther@suse.de>
3923 * ipa-reference.c (mark_load): Use get_base_address.
3924 (mark_store): Likewise.
3926 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3927 inserting GIMPLE_NOPs into the IL.
3928 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3929 Explicitly strip handled components and indirect references.
3931 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3932 folding address expressions.
3933 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3934 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3935 operand_equal_p to compare decls.
3936 (ptr_deref_may_alias_decl_p): Likewise.
3937 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3938 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3939 Handle reversed comparison ops.
3940 * tree-sra.c (asm_visit_addr): Use get_base_address.
3941 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3942 * ipa-reference.c (mark_address): Use get_base_address.
3944 2010-04-07 Richard Guenther <rguenther@suse.de>
3946 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3947 Propagate constants everywhere.
3949 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3952 * tree.c (MAX_INT_CACHED_PREC): Define.
3953 (nonstandard_integer_type_cache): New array.
3954 (build_nonstandard_integer_type): Cache results for precision
3955 <= MAX_INT_CACHED_PREC.
3957 2010-04-07 Richard Guenther <rguenther@suse.de>
3959 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3960 -fargument-noalias-global, -fargument-noalias-anything): Remove.
3961 * common.opt: Likewise.
3962 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3963 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3964 (nonoverlapping_memrefs_p): Likewise.
3965 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3966 * opts.c (common_handle_option): Handle OPT_fargument_alias,
3967 OPT_fargument_noalias, OPT_fargument_noalias_anything and
3968 OPT_fargument_noalias_global for backward compatibility.
3970 2010-04-07 Richard Guenther <rguenther@suse.de>
3972 PR tree-optimization/43270
3973 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3974 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3975 * tree-ssa-pre.c (phi_translate_1): Adjust.
3976 (fully_constant_expression): Split out vn_reference handling to ...
3977 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3978 Fold reads from constant strings.
3979 (vn_reference_lookup): Handle fully constant references.
3980 (vn_reference_lookup_pieces): Likewise.
3981 * Makefile.in (expmed.o-warn): Add -Wno-error.
3983 2010-04-07 Martin Jambor <mjambor@suse.cz>
3985 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3987 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
3990 * gcc.c: Add -static-libstdc++ to list of recognized options.
3992 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3994 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3996 2010-04-07 Richard Guenther <rguenther@suse.de>
3999 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
4000 bases build simple mem attributes to retain points-to information.
4002 2010-04-07 Richard Guenther <rguenther@suse.de>
4005 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
4006 preserve points-to related information.
4008 2010-04-07 Richard Guenther <rguenther@suse.de>
4011 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
4012 discard plain indirect references.
4013 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
4014 * tree.c (tree_nop_conversion): Likewise.
4016 2010-04-07 Dodji Seketeli <dodji@redhat.com>
4019 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
4021 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
4023 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
4024 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
4026 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4028 * tree-if-conv.c: Fix indentation and comments.
4030 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4032 * tree-if-conv.c: Sort static functions in topological order.
4034 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4036 * tree-if-conv.c: Fix indentation and comments.
4038 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4041 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
4042 lang_hooks.types.type_for_size instead of
4043 build_nonstandard_integer_type.
4044 When converting an unsigned type to signed, double its precision.
4045 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
4046 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
4047 (graphite_create_new_loop_guard): When ub + 1 wraps around,
4050 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4053 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
4054 POINTER_PLUS_EXPR for pointer types.
4056 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4059 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
4060 * graphite-clast-to-gimple.c: Include langhooks.h.
4061 (max_signed_precision_type): New.
4062 (max_precision_type): Takes two types as arguments.
4063 (precision_for_value): New.
4064 (precision_for_interval): New.
4065 (gcc_type_for_interval): New.
4066 (gcc_type_for_value): New.
4067 (gcc_type_for_clast_term): New.
4068 (gcc_type_for_clast_red): New.
4069 (gcc_type_for_clast_bin): New.
4070 (gcc_type_for_clast_expr): Split up into several functions.
4071 (gcc_type_for_clast_eq): Rewritten.
4072 (compute_bounds_for_level): New.
4073 (compute_type_for_level_1): New.
4074 (compute_type_for_level): New.
4075 (gcc_type_for_cloog_iv): Removed.
4076 (gcc_type_for_iv_of_clast_loop): Rewritten.
4077 (graphite_create_new_loop): Compute the lower and upper bound types
4078 with gcc_type_for_clast_expr.
4079 (graphite_create_new_loop_guard): Same.
4080 (find_cloog_iv_in_expr): Removed.
4081 (compute_cloog_iv_types_1): Removed.
4082 (compute_cloog_iv_types): Removed.
4083 (gloog): Do not call compute_cloog_iv_types.
4084 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
4086 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
4087 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
4088 (GBB_CLOOG_IV_TYPES): Removed.
4090 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4092 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
4093 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
4094 (detect_commutative_reduction): Same.
4096 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4098 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
4099 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
4101 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
4102 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
4103 (rewrite_commutative_reductions_out_of_ssa): Same.
4104 * passes.c (execute_function_todo): Call verify_ssa for every pass
4105 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
4106 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
4107 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
4108 with an extra argument.
4109 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
4110 verify_ssa only when the extra argument is true.
4111 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
4112 with an extra argument.
4113 (tree_transform_and_unroll_loop): Same.
4115 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4117 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
4118 for all the passes of the LNO having LOOP_CLOSED_SSA.
4119 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
4120 * tree-loop-distribution.c (pass_loop_distribution): Same.
4121 * tree-pass.h (TODO_verify_loops): Removed.
4122 * tree-ssa-loop.c (pass_tree_loop_init): Same.
4124 (pass_tree_unswitch): Same.
4125 (pass_predcom): Same.
4126 (pass_vectorize): Same.
4127 (pass_linear_transform): Same.
4128 (pass_graphite_transforms): Same.
4129 (pass_iv_canon): Same.
4130 (pass_complete_unroll): Same.
4131 (pass_complete_unrolli): Same.
4132 (pass_parallelize_loops): Same.
4133 (pass_loop_prefetch): Same.
4134 (pass_iv_optimize): Same.
4136 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
4139 * passes.c (init_optimization_passes): Move pass_lim before
4140 pass_copy_prop and pass_dce_loop.
4142 2010-04-06 Jakub Jelinek <jakub@redhat.com>
4145 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
4146 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
4147 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
4148 MULTI_* defines for 4 argument vpermil2p* builtins.
4150 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
4152 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
4153 * config/i386/i386.c (x86_maybe_negate_const_int): New.
4154 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
4155 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
4156 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
4157 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
4158 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
4159 Use x86_maybe_negate_const_int to output insn mnemonic.
4160 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
4161 check from instruction predicate. Update comments.
4162 * config/i386/sync.md (sync_add<mode>): Use
4163 x86_maybe_negate_const_int to output insn mnemonic.
4165 2010-04-06 Jan Hubicka <jh@suse.cz>
4167 PR tree-optimization/42906
4168 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
4169 IGNORE_SELF argument. Set visited_control_parents for fully
4171 (find_obviously_necessary_stmts): Update call of
4172 mark_control_dependent_edges_necessary.
4173 (propagate_necessity): Likewise. Handle PHI edges more curefully.
4175 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
4177 * config/i386/i386.md: Remove comment about 'e' and 'E'
4180 2010-04-06 Richard Guenther <rguenther@suse.de>
4182 PR tree-optimization/43627
4183 * tree-vrp.c (extract_range_from_unary_expr): Widenings
4184 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
4187 2010-04-06 Jakub Jelinek <jakub@redhat.com>
4189 * BASE-VER: Change to 4.6.0.
4192 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
4195 2010-04-06 Richard Guenther <rguenther@suse.de>
4198 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
4200 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4202 * doc/invoke.texi (Optimize Options): Document that LTO
4203 won't remove object access purely due to incompatible
4206 2010-04-04 Matthias Klose <doko@ubuntu.com>
4208 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
4209 Initialize variable.
4211 2010-04-03 Richard Guenther <rguenther@suse.de>
4214 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
4215 require a non-NULL MEM_OFFSET.
4217 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
4219 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
4220 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
4221 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
4222 config/alpha/predicates.md, config/arm/arm.md,
4223 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
4224 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
4225 config/darwin9.h, config/darwin.c, config/darwin.h,
4226 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
4227 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
4228 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
4229 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
4230 config/mips/mips.md, config/mn10300/mn10300.c,
4231 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
4232 config/rs6000/aix.h, config/rs6000/dfp.md,
4233 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
4234 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
4235 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
4236 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
4237 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
4238 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
4239 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
4240 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
4241 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
4242 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
4243 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
4244 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
4245 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
4246 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
4247 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
4248 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
4249 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
4250 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
4251 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
4252 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
4253 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
4254 opt-functions.awk, opth-gen.awk, params.def, passes.c,
4255 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
4256 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
4257 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
4258 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
4259 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
4260 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
4261 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
4262 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
4263 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
4264 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
4265 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
4266 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
4267 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
4268 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
4270 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4273 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
4274 * aclocal.m4: Regenerate.
4276 2010-04-02 Richard Guenther <rguenther@suse.de>
4278 PR tree-optimization/43629
4279 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
4280 if we have seen a constant value.
4282 2010-04-02 Joseph Myers <joseph@codesourcery.com>
4284 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
4286 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
4289 * arm.c (legitimize_tls_address): Adjust call to
4290 gen_tls_load_dot_plus_four.
4291 (arm_note_pic_base): New function.
4292 (arm_cannot_copy_insn_p): Use it.
4293 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
4296 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4301 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4303 * Makefile.in ($(out_object_file)): Depend on
4304 gt-$(basename $(notdir $(out_file))).h.
4306 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
4308 * config.gcc (lm32-*-rtems*): Add t-lm32.
4310 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
4312 * config.gcc: Add lm32-*-rtems*.
4313 * config/lm32/rtems.h: New file.
4315 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
4318 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
4320 2010-04-01 Jakub Jelinek <jakub@redhat.com>
4322 * dwarf2out.c (output_compilation_unit_header): For
4323 -gdwarf-4 use version 4 instead of version 3.
4324 (output_line_info): For version 4 and above emit additional
4325 maximum ops per insn header field.
4326 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
4328 * dwarf2out.c (is_c_family, is_java): Remove.
4329 (lower_bound_default): New function.
4330 (add_bound_info, gen_descr_array_type_die): Use it.
4332 2010-04-01 Dodji Seketeli <dodji@redhat.com>
4335 * dwarf2out.c (gen_variable_die): Allow debug info for variable
4336 re-declaration when it happens in a function.
4338 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
4340 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
4341 (cgraph_remove_function_insertion_hook): Same.
4342 (cgraph_call_function_insertion_hooks): Same.
4344 2010-04-01 Richard Guenther <rguenther@suse.de>
4347 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
4348 and TREE_THIS_VOLATILE.
4349 (copy_ref_info): Likewise.
4350 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
4351 * tree.c (build6_stat): Ignore side-effects of all but arg5
4352 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
4355 2010-04-01 Richard Guenther <rguenther@suse.de>
4357 PR tree-optimization/43607
4358 * ipa-type-escape.c (check_call): Do not access non-existing
4361 2010-04-01 Richard Guenther <rguenther@suse.de>
4365 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4366 Jack Howarth <howarth@bromo.med.uc.edu>
4368 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4371 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4373 * doc/install.texi (Prerequisites): Document libelf usability on
4374 IRIX 5/6 and Solaris 2.
4375 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
4376 Update GNU as, GNU ld requirements.
4377 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
4378 Document Sun Studio compiler download.
4379 Update and simplify as, ld recommendations.
4380 (Specific, *-*-solaris2.7): Note obsoletion, removal.
4382 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4384 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
4385 with_tune_32 to pentium4.
4387 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
4389 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
4391 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4393 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
4394 obsoletion, removal.
4396 Document GNU as requirement.
4397 Update configure requirements.
4398 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
4399 Recomment IRIX 6.5.18+.
4400 Document IDF/IDL requirement.
4401 Document GNU as requirement.
4402 Document GNU ld bootstrap failure.
4403 Remove freeware.sgi.com reference.
4405 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4407 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
4408 UNIX V4.0, V5.0 obsoletion, removal.
4409 Remove --with-gc=simple reference.
4410 Update VM requirements during bootstrap.
4411 Remove -oldas bootstrap description.
4412 Update binutils reference.
4413 Remove comparison failure note.
4415 2010-03-31 Richard Guenther <rguenther@suse.de>
4416 Zdenek Dvorak <ook@ucw.cz>
4417 Sebastian Pop <sebastian.pop@amd.com>
4420 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
4421 with multiple arguments.
4422 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
4424 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4426 * graphite-dependences.c (print_pddr): Call print_pdr with an
4428 * graphite-poly.c (debug_pdr): Add an extra argument for the
4431 (print_pbb_domain): Same.
4433 (print_scop_context): Same.
4435 (print_cloog): Same.
4436 (debug_pbb_domain): Same.
4440 (debug_scop_context): Same.
4442 (debug_cloog): Same.
4443 (print_scop_params): Same.
4444 (debug_scop_params): Same.
4445 (print_iteration_domain): Same.
4446 (print_iteration_domains): Same.
4447 (debug_iteration_domain): Same.
4448 (debug_iteration_domains): Same.
4449 (print_scattering_function): Same.
4450 (print_scattering_functions): Same.
4451 (debug_scattering_function): Same.
4452 (debug_scattering_functions): Same.
4453 * graphite-poly.h (debug_pdr): Update declaration.
4455 (print_pbb_domain): Same.
4457 (print_scop_context): Same.
4459 (print_cloog): Same.
4460 (debug_pbb_domain): Same.
4464 (debug_scop_context): Same.
4466 (debug_cloog): Same.
4467 (print_scop_params): Same.
4468 (debug_scop_params): Same.
4469 (print_iteration_domain): Same.
4470 (print_iteration_domains): Same.
4471 (debug_iteration_domain): Same.
4472 (debug_iteration_domains): Same.
4473 (print_scattering_function): Same.
4474 (print_scattering_functions): Same.
4475 (debug_scattering_function): Same.
4476 (debug_scattering_functions): Same.
4478 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4480 * graphite-poly.c (print_scattering_function_1): New.
4481 (print_scattering_function): Call it.
4482 (print_scop_params): Remove spaces at the end of lines.
4485 * graphite-poly.h (print_cloog): Declared.
4486 (debug_cloog): Declared.
4488 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4490 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
4492 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
4493 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
4494 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
4495 to switch between adding the IV bump in loop->latch or in loop->header.
4497 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4499 * graphite-poly.c (print_scattering_function): Pretty print following
4502 (print_pbb_domain): Same.
4503 (dump_gbb_cases): Same.
4504 (dump_gbb_conditions): Same.
4507 (print_scop_params): Same.
4508 (print_scop_context): Same.
4510 (print_pbb_body): New.
4511 (lst_indent_to): New.
4512 (print_lst): Start new lines with a #.
4513 * graphite-poly.h (pbb_bb): New.
4514 (pbb_index): Use pbb_bb.
4515 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
4517 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
4519 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4521 * dwarf2out.c (size_of_die): For -gdwarf-4 use
4522 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
4523 and 0 instead of 1 for dw_val_class_flag.
4524 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
4525 dw_val_class_range_list, dw_val_class_loc_list,
4526 dw_val_class_lineptr and dw_val_class_macptr, use
4527 DW_FORM_flag_present for dw_val_class_flag and
4528 DW_FORM_exprloc for dw_val_class_loc.
4529 (output_die): For -gdwarf-4 print dw_val_class_loc
4530 size as uleb128 instead of 1 or 2 bytes and don't print
4531 anything for dw_val_class_flag.
4533 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
4534 instead of cselib_lookup following by tweaking locs->setting_insn.
4537 * cselib.c (cselib_process_insn): Clear cselib_current_insn
4538 even before returning from label, setjmp call or volatile asm
4541 2010-03-31 Richard Guenther <rguenther@suse.de>
4544 * cgraphunit.c (cgraph_output_in_order): Do not allocate
4545 temporary data on stack.
4547 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4549 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
4550 (PUSHSECTION_ASM_OP): Remove.
4551 (POPSECTION_ASM_OP): Remove.
4552 (PUSHSECTION_FORMAT): Remove.
4553 * config/sol2.h (PUSHSECTION_FORMAT): Define.
4554 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
4555 * config/sol2.c (solaris_output_init_fini): Use it.
4557 2010-03-31 Jie Zhang <jie@codesourcery.com>
4560 * opt-functions.awk (var_type_struct): Use signed char type
4561 for simple variables.
4563 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4565 * config/sol2.c: Include output.h.
4566 (solaris_assemble_visibility): New function.
4567 * config/t-sol2 (sol2.o): Add output.h dependency.
4568 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
4569 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
4572 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4575 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
4576 V2SImode or XFmode on PRE_DEC.
4579 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
4582 2010-03-31 Jie Zhang <jie@codesourcery.com>
4585 * reload.h (caller_save_initialized_p): Declare.
4586 * toplev.c (backend_init_target): Don't call
4587 init_caller_save but set caller_save_initialized_p to false.
4588 * caller-save.c (caller_save_initialized_p): Define.
4589 (init_caller_save): Check caller_save_initialized_p.
4590 * ira.c (ira): Call init_caller_save if flag_caller_saves.
4592 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4595 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
4596 and soft-fp/t-softfp to tmake_file.
4597 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
4598 (LIBGCC2_TF_CEXT): Define.
4601 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
4604 * cselib.c (n_useless_values): Document handling of debug locs.
4605 (n_useless_debug_values, n_debug_values): New variables.
4606 (new_elt_loc_list): Don't add to debug values, keep count.
4607 (promote_debug_loc): New.
4608 (cselib_reset_table): Zero new variables.
4609 (entry_and_rtx_equal_p): Promote debug locs.
4610 (discard_useless_locs): Increment n_useless_debug_values for
4612 (remove_useless_values): Adjust n_useless_values and n_debug_values
4613 with n_useless_debug_values.
4614 (add_mem_for_addr): Promote debug locs.
4615 (cselib_lookup_mem): Likewise.
4616 (cselib_lookup_addr): Renamed to...
4617 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
4618 (cselib_log_lookup): ... this. Turn into...
4619 (cselib_lookup_addr): ... new wrapper.
4620 (cselib_lookup_from_insn): New.
4621 (cselib_invalidate_regno): Increment n_useless_debug_values for
4623 (cselib_invalidate_mem): Likewise.
4624 (cselib_process_insn): Take n_deleted and n_debug_values into
4625 account to guard remove_useless_value call.
4626 (cselib_finish): Zero n_useless_debug_values.
4627 * cselib.h (cselib_lookup_from_insn): Declare.
4628 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
4629 (sched_analyze_2): Likewise.
4631 2010-03-30 Jakub Jelinek <jakub@redhat.com>
4633 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
4635 (adjust_mems): Replace narrowing SUBREG of expression containing
4636 just PLUS, MINUS, MULT and ASHIFT of registers and constants
4637 with operations in the narrower mode.
4640 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
4641 regs_invalidated_by_call instead all call_used_reg_set registers.
4643 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
4646 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
4647 pointer comparisons with types_compatible_p.
4648 * tree-vect-stmts.c (vectorizable_call): Same.
4649 (vectorizable_condition): Same.
4651 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4653 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
4654 stack check if the mask would be zero.
4656 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4657 Jack Howarth <howarth@bromo.med.uc.edu>
4659 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4662 2010-03-30 Joseph Myers <joseph@codesourcery.com>
4665 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
4667 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
4668 Include ___unordxf2 and ___unordtf2.
4669 * config/i386/libgcc-glibc.ver: Do not define inheritance from
4672 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
4674 * config/lm32/t-lm32: New file.
4675 * config.gcc: Use the above file when targetting lm32.
4677 2010-03-28 Duncan Sands <baldrick@free.fr>
4679 * Makefile.in (PLUGIN_HEADERS): Add except.h.
4681 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4684 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
4685 Improve vectorization cost model diagnostic.
4687 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4690 * tree-vect-data-refs.c (vect_analyze_data_refs): When
4691 compute_data_dependences_for_loop returns false, early exit
4692 and output an extra diagnostic for the failed data reference
4695 2010-03-29 Richard Guenther <rguenther@suse.de>
4697 PR tree-optimization/43560
4698 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
4699 (can_sm_ref_p): Treat stores to readonly locations as trapping.
4701 2010-03-29 Jie Zhang <jie@codesourcery.com>
4704 * toplev.c (process_options): Set optimization_default_node
4705 and optimization_current_node.
4706 * opts.c (decode_options): Don't set optimization_default_node
4707 and optimization_current_node.
4709 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
4711 * config/rtems.h: Abandon -qrtems_debug.
4713 2010-03-28 Jan Hubicka <jh@suse.cz>
4715 PR tree-optimization/43505
4716 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
4717 map should not be copied.
4719 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4722 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
4723 cdtors, set DECL_PRESERVE_P.
4724 * ipa.c (cgraph_externally_visible_p): Return true if declaration
4727 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
4729 PR tree-optimization/43528
4730 * stor-layout.c (place_field): Check that constant fits into
4731 unsigned HWI when skipping calculation of MS bitfield layout.
4733 2010-03-27 Jan Hubicka <jh@suse.cz>
4736 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
4737 notice_global_symbol work.
4739 2010-03-27 Jakub Jelinek <jakub@redhat.com>
4741 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
4742 instead of dwarf2out_decl.
4743 (struct var_loc_node): Remove section_label field.
4744 (dwarf2out_function_decl): New function.
4745 (dwarf2out_var_location): Don't set section_label field.
4746 (dwarf2out_begin_function): Don't empty decl_loc_table here.
4748 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
4750 PR tree-optimization/43544
4751 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4752 First argument for builtin vectorized function hook is now a
4753 tree to be able to distinguish between machine specific and
4755 * targhooks.c (default_builtin_vectorized_function): Ditto.
4756 * targhooks.h (default_builtin_vectorized_function): Ditto.
4757 * target.h (struct gcc_target): Ditto.
4758 * tree-vect-stmts.c (vectorizable_function): Ditto.
4759 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
4760 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
4763 2010-03-26 Joseph Myers <joseph@codesourcery.com>
4766 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
4767 nested binding iff it is a FUNCTION_DECL.
4768 (store_parm_decls_newstyle): Pass nested=true to bind for
4769 FUNCTION_DECLs amongst parameters.
4771 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4773 * var-tracking.c (vt_expand_loc_callback): Don't run
4774 cselib_expand_value_rtx_cb in dummy mode if
4775 cselib_dummy_expand_value_rtx_cb returned false.
4777 * var-tracking.c (emit_note_insn_var_location): For one part
4778 notes with offset 0, don't add EXPR_LIST around the location.
4779 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
4780 add_location_or_const_value_attribute): Adjust for that change.
4783 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
4784 into first operand and location into second.
4785 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
4786 dw_cfi_oprnd_loc for DW_CFA_expression.
4787 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
4788 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
4789 assume first argument is regnum and second argument is location.
4791 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4794 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
4795 of scratch register to DImode. Split to DImode comparison operator.
4796 Use SImode subreg of scratch register in the multiplication.
4797 (*cmp_sadd_sidi): Ditto.
4798 (*cmp_ssub_si): Ditto.
4799 (*cmp_ssub_sidi): Ditto.
4801 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4804 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
4805 Remove invalid assert and wrong comment.
4807 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4810 * flags.h (final_insns_dump_p): New extern.
4811 * final.c (final_insns_dump_p): New variable.
4812 (rest_of_clean_state): Set it before -fdump-final-insns=
4813 dumping, clear afterwards.
4814 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
4815 MEM_ALIAS_SET on MEMs.
4817 2010-03-26 David S. Miller <davem@davemloft.net>
4819 * configure.ac: Fix sparc GOTDATA_OP bug check.
4820 * configure: Rebuild.
4822 2010-03-26 Alan Modra <amodra@gmail.com>
4824 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
4826 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4828 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
4829 TLS_SECTION_ASM_FLAG.
4831 2010-03-25 Jakub Jelinek <jakub@redhat.com>
4834 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
4835 Clear first_function_block_is_cold.
4838 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
4839 argument if the argument is truth_value_p.
4841 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
4843 * config/rs6000/constraints.md: Update copyright year for my changes.
4846 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
4847 used in reg+reg addressing, swap registers.
4849 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4852 * target.h (struct gcc_target): Add code_end hook.
4853 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
4855 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
4856 * toplev.c (compile_file): Call targetm.asm_out.code_end
4857 hook before unwind info/debug info output.
4858 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
4859 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
4860 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4861 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
4862 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4863 * config/i386/i386.c (ix86_file_end): Renamed to...
4864 (ix86_code_end): ... this. Make static. Don't call
4865 file_end_indicate_exec_stack. Emit unwind info using
4866 final_start_function/final_end_function.
4867 (darwin_x86_file_end): Remove.
4868 (TARGET_ASM_CODE_END): Define.
4869 * config/i386/i386.h (TARGET_ASM_FILE_END,
4870 NEED_INDICATE_EXEC_STACK): Don't define.
4871 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
4872 (TARGET_ASM_FILE_END): Define to darwin_file_end.
4873 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
4874 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
4877 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
4878 at the beginning and final_end_function at the end.
4879 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
4881 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4883 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
4884 and Sun as TLS syntax.
4885 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
4886 * configure: Regenerate.
4887 * config.in: Regenerate.
4888 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
4889 (default_elf_asm_named_section): Use it.
4890 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
4891 (i386_output_dwarf_dtprel): Likewise.
4892 (output_addr_const_extra): Likewise.
4893 (output_pic_addr_const): Lowercase @GOTTPOFF.
4894 (output_addr_const_extra): Likewise.
4895 (output_pic_addr_const): Lowercase @GOTNTPOFF.
4896 (output_addr_const_extra): Likewise.
4897 (output_pic_addr_const): Lowercase @INDNTPOFF.
4898 (output_addr_const_extra): Likewise.
4899 (output_pic_addr_const): Lowercase @NTPOFF.
4900 (output_addr_const_extra): Likewise.
4901 (output_pic_addr_const): Lowercase @TPOFF.
4902 (output_addr_const_extra): Likewise.
4903 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
4904 (*tls_global_dynamic_64): Likewise.
4905 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
4906 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
4908 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
4909 (ASM_OUTPUT_TLS_COMMON): Use it.
4910 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
4913 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
4914 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
4915 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
4916 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
4917 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4918 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
4920 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4922 * config/i386/i386.c (override_options): Don't accept
4923 -mtls-dialect=sun any longer.
4924 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
4925 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
4926 (*tls_local_dynamic_base_32_sun): Likewise.
4927 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4929 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4932 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4933 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
4936 * ira.c (adjust_cleared_regs): New function.
4937 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
4941 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
4943 * expr.c (expand_expr_real): Restore previous
4944 curr_insn_source_location and curr_insn_block after
4945 expand_expr_real_1 call.
4946 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
4947 instead of expand_expr_real_1.
4949 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
4951 PR rtl-optimization/43413
4952 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
4955 2010-03-22 James E. Wilson <wilson@codesourcery.com>
4958 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
4959 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
4961 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
4963 * config/i386/i386.c (ix86_target_string): Add -mfma.
4964 Fix a typo in comment.
4966 2010-03-22 Mike Stump <mikestump@comcast.net>
4969 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4970 Don't overly align based upon packed packed fields.
4972 2010-03-22 Jason Merrill <jason@redhat.com>
4974 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
4975 Use () rather than [], and move before the element type.
4977 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4979 * doc/configfiles.texi (Configuration Files): Removed
4980 fixinc/Makefile*, intl/Makefile.*.
4981 * doc/makefile.texi: Fixed markup. Abstract from version
4982 control system used.
4983 (Makefile): Removed obsolete gcc/java/parse.y example.
4984 * doc/sourcebuild.texi: Likewise.
4985 (Top Level): Added config, gnattools, libdecnumber, libgcc,
4986 libgomp, libssp. Removed fastjar.
4987 (Miscellaneous Docs): Clarify location.
4988 Added COPYING3, COPYING3.LIB.
4989 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
4991 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4994 * config/i386/i386.c (x86_function_profiler)
4995 [!NO_PROFILE_COUNTERS]: Fix typo.
4996 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
4999 2010-03-22 Janis Johnson <janis187@us.ibm.com>
5000 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5002 * doc/sourcebuild.texi (Test Directives): Split into six
5003 subsections, with most of the current text in new subsections
5004 Directives, Selectors, and Final Actions.
5005 (Directives): Split list of test directives into multiple
5007 (Selectors): Describe use and syntax of selectors.
5008 (Effective-Target Keywords): Describe all existing keywords.
5009 (Add Options): Describe features for dg-add-options.
5010 (Require Support): Describe variants of dg-require-support.
5011 (Final Actions): Describe commands to use in dg-final.
5013 2010-03-22 Michael Matz <matz@suse.de>
5016 * recog.c (validate_replace_rtx_group): Replace also in
5017 REG_EQUAL and REG_EQUIV notes.
5019 2010-03-22 Richard Guenther <rguenther@suse.de>
5021 PR tree-optimization/43390
5022 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
5023 sure vector extracts are type correct.
5025 2010-03-22 Richard Guenther <rguenther@suse.de>
5028 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
5029 x * sqrt (x) even when optimizing for size if the target
5030 has native support for sqrt.
5032 2010-03-22 Jakub Jelinek <jakub@redhat.com>
5034 * varasm.c (make_decl_rtl_for_debug): Also clear
5035 flag_mudflap for the duration of make_decl_rtl call.
5038 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
5039 locs from preserved VALUEs.
5041 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5044 * pa.md (movmemsi): Set align to one if zero.
5045 (movmemdi): Likewise.
5047 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
5050 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
5051 with their corresponding prologue pushes.
5053 2010-03-20 Andrew Pinski <pinskia@gmail.com>
5056 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
5057 at the begining or end.
5058 (spu_expand_epilogue): Likewise.
5060 2010-03-20 Richard Guenther <rguenther@suse.de>
5062 PR rtl-optimization/43438
5063 * combine.c (make_extraction): Properly zero-/sign-extend an
5064 extraction of the low part of a CONST_INT. Also handle
5067 2010-03-19 Mike Stump <mikestump@comcast.net>
5069 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
5070 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
5071 (override_options): Use SUBTARGET32_DEFAULT_CPU.
5073 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5076 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
5079 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
5081 PR rtl-optimization/42258
5082 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
5083 use that may match DEF.
5086 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
5087 the cost of loading the constant rather than assuming
5089 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
5090 outer code is AND, do the same tests as the andsi3 expander and
5091 return COSTS_N_INSNS (1) if and is cheap.
5093 * optabs.c (avoid_expensive_constant): Fix formatting.
5095 2010-03-19 Michael Matz <matz@suse.de>
5098 * attribs.c (decl_attributes): When rebuilding a function pointer
5099 type use the same qualifiers as the original pointer type.
5101 2010-03-19 Martin Jambor <mjambor@suse.cz>
5103 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
5104 and is_gimple_ip_invariant_address.
5106 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5109 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5111 * config/arm/arm.c (arm_override_options): Turn off
5112 flag_dwarf2_cfi_asm for AAPCS variants.
5114 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5117 * config/arm/arm.c (emit_multi_reg_push): Update comments.
5118 Use PRE_MODIFY instead of PRE_DEC.
5119 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
5120 (vfp_emit_fstmd): Likewise.
5122 2010-03-19 Michael Matz <matz@suse.de>
5125 * builtins.c (expand_builtin_interclass_mathfn,
5126 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
5129 2010-03-19 Richard Guenther <rguenther@suse.de>
5131 PR tree-optimization/43415
5132 * tree-ssa-pre.c (phi_translate): Split out worker to ...
5133 (phi_translate_1): ... this.
5134 (phi_translate): Move all caching here. Cache all NARY
5135 and REFERENCE translations.
5137 2010-03-19 David S. Miller <davem@davemloft.net>
5139 With help from Eric Botcazou.
5140 * config/sparc/sparc.c: Include dwarf2out.h.
5141 (emit_pic_helper): Delete.
5142 (pic_helper_symbol_name): Delete.
5143 (pic_helper_emitted_p): Delete.
5144 (pic_helper_needed): New.
5145 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
5146 (get_pc_thunk_name): New.
5147 (load_pic_register): Remove 'delay_pic_helper' arg. Use
5148 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
5149 Set pic_helper_needed to true. Don't call emit_pic_helper.
5150 (sparc_expand_prologue): Update load_pic_register call.
5151 (sparc_output_mi_thunk): Likewise.
5152 (sparc_file_end): Emit a hidden comdat symbol for the PIC
5153 thunk if possible. Output CFI information as needed.
5155 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
5156 Jack Howarth <howarth@bromo.med.uc.edu>
5159 * config/i386/i386.h: Fix ABI on darwin x86-32.
5161 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
5163 * tree.h: Declare make_decl_rtl_for_debug.
5164 * varasm.c (make_decl_rtl_for_debug): New.
5165 * dwarf2out.c (rtl_for_decl_location): Call it.
5166 * cfgexpand.c (expand_debug_expr): Call it.
5168 2010-03-18 Jakub Jelinek <jakub@redhat.com>
5171 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
5175 * var-tracking.c (vt_init_cfa_base): Do nothing if
5176 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
5178 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
5181 * var-tracking.c (canonicalize_vars_star): New.
5182 (dataflow_post_merge_adjust): Use it.
5184 2010-03-18 Jakub Jelinek <jakub@redhat.com>
5187 * var-tracking.c (non_suitable_const): New function.
5188 (add_uses): For DEBUG_INSNs with constants, don't record any
5189 value, instead just the constant value itself.
5190 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
5191 is not VAR_LOC_UNKNOWN_P, set var to the constant.
5192 (emit_notes_in_bb): Likewise.
5193 (emit_note_insn_var_location): For onepart variables if
5194 cur_loc is a VOIDmode constant, use DECL_MODE.
5196 2010-03-18 Martin Jambor <mjambor@suse.cz>
5199 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
5200 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
5201 all non-clones. Moved call redirection...
5202 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
5203 (cgraph_materialize_all_clones): Dispose of all
5204 combined_args_to_skip bitmaps.
5205 (verify_cgraph_node): Do not check for edges pointing to wrong
5206 nodes in inline clones.
5207 * tree-inline.c (copy_bb): Call
5208 cgraph_redirect_edge_call_stmt_to_callee.
5209 * ipa.c (cgraph_remove_unreachable_nodes): Call
5210 cgraph_node_remove_callees even when there are used clones.
5212 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
5214 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
5216 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
5219 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
5222 2010-03-18 Michael Matz <matz@suse.de>
5225 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
5226 into sqrt(x) if we need to preserve signed zeros.
5228 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
5229 Eric Botcazou <ebotcazou@adacore.com>
5231 PR rtl-optimization/43360
5232 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
5233 note if we don't know its invariant status.
5235 2010-03-18 Michael Matz <matz@suse.de>
5237 PR tree-optimization/43402
5238 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
5239 PHI chains of ssa names registered for update.
5241 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
5244 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
5245 non-offsettable and pre_modify update addressing.
5246 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
5247 and "2" alternatives "#".
5248 (*movdd_softfloat32): Make all alternatives "#";
5249 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
5250 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
5251 (*movdf_softfloat32): Make all alternatives "#";
5252 (movdi): Use the new DIFD mode iterator to create a common splitter
5253 for movdi, movdf and movdd patterns.
5255 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
5257 * common.opt (dumpdir): Remove redundant tab.
5259 2010-03-17 Martin Jambor <mjambor@suse.cz>
5261 PR tree-optimization/43347
5262 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
5263 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
5265 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
5267 PR rtl-optimization/42216
5268 * regrename.c (create_new_chain): New function, broken out from...
5269 (scan_rtx_reg): ... here. Call it. Handle the case where we are
5270 appending a use to an empty chain.
5271 (build_def_use): Remove previous changes that convert OP_INOUT to
5272 OP_OUT operands; instead detect the case where an OP_INOUT operand
5273 uses a previously untracked register and create an empty chain for it.
5275 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5277 * doc/extend.texi (Function Attributes): Rewrite unfinished
5278 sentence in ms_abi documentation.
5280 2010-03-17 Alan Modra <amodra@gmail.com>
5282 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
5283 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
5284 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
5285 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
5287 2010-03-16 Richard Henderson <rth@redhat.com>
5290 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
5291 (lower_try_finally): Save and restore eh_seq around the expansion
5294 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
5296 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
5297 statements before splitting block.
5299 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5301 * doc/sourcebuild.texi (Testsuites): Fix markup.
5302 Use pathnames relative to gcc/testsuite.
5303 (Test Directives): Move description of how timeout is determined.
5304 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
5305 (C Tests): Correct gcc.misc-tests directory.
5306 Framework tests now live in gcc.test-framework.
5308 2010-03-16 Richard Guenther <rguenther@suse.de>
5311 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
5312 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
5314 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
5315 Alexandre Oliva <aoliva@redhat.com>
5317 PR tree-optimization/42917
5318 * lambda-code.c (remove_iv): Skip debug statements.
5319 (lambda_loopnest_to_gcc_loopnest): Likewise.
5320 (not_interesting_stmt): Debug statements are not interesting.
5322 2010-03-16 Jakub Jelinek <jakub@redhat.com>
5326 * cselib.c (cselib_preserve_constants,
5327 cfa_base_preserved_val): New static variables.
5328 (preserve_only_constants): New function.
5329 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
5330 clear its REG_VALUES. If cselib_preserve_constants, don't
5331 empty the whole hash table, but preserve there VALUEs with constants,
5332 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
5333 (cselib_preserve_cfa_base_value): New function.
5334 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
5335 (cselib_init): Change argument to int bitfield. Set
5336 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
5338 (cselib_finish): Clear cselib_preserve_constants and
5339 cfa_base_preserved_val.
5340 * cselib.h (enum cselib_record_what): New enum.
5341 (cselib_init): Change argument to int.
5342 (cselib_preserve_cfa_base_value): New prototype.
5343 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
5344 * dse.c (dse_step1): Likewise.
5345 * cfgcleanup.c (thread_jump): Likewise.
5346 * sched-deps.c (sched_analyze): Likewise.
5347 * gcse.c (local_cprop_pass): Likewise.
5348 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
5349 If FN is non-NULL, call the callback always and whenever it returns
5350 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
5351 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
5352 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
5353 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
5354 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
5355 * var-tracking.c: Include recog.h.
5356 (bb_stack_adjust_offset): Remove.
5357 (vt_stack_adjustments): Don't call it, instead just gather the
5358 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
5359 (adjust_stack_reference): Remove.
5360 (compute_cfa_pointer): New function.
5361 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
5362 (struct adjust_mem_data): New type.
5363 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
5365 (get_address_mode): New function.
5366 (replace_expr_with_values): Use it.
5367 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
5368 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
5369 (adjust_sets): Remove.
5370 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
5371 Use get_address_mode.
5372 (get_adjusted_src): Remove.
5373 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
5374 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
5375 (add_with_sets): Don't call adjust_sets.
5376 (fp_setter, vt_init_cfa_base): New functions.
5377 (vt_initialize): Change return type to bool. Move most of pool etc.
5378 initialization to the beginning of the function from end. Pass
5379 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
5380 If !frame_pointer_needed, call vt_stack_adjustment before mos
5381 vector is filled, call vt_init_cfa_base if argp/framep has been
5382 eliminated to sp. If frame_pointer_needed and argp/framep has
5383 been eliminated to hard frame pointer, set
5384 hard_frame_pointer_adjustment and call vt_init_cfa_base after
5385 encountering fp setter in the prologue. For MO_ADJUST, call
5386 log_op_type before pusing the op into mos vector, not afterwards.
5387 Call adjust_insn before cselib_process_insn/add_with_sets,
5388 call cancel_changes (0) afterwards.
5389 (variable_tracking_main_1): Adjust for vt_initialize calling
5390 vt_stack_adjustments and returning whether it succeeded or not.
5392 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
5394 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
5397 2010-03-15 Jakub Jelinek <jakub@redhat.com>
5399 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
5401 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
5402 drap_reg has not been set.
5404 2010-03-15 Michael Matz <matz@suse.de>
5407 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
5408 use it to expand block copies.
5409 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
5410 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
5411 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
5413 2010-03-15 Richard Guenther <rguenther@suse.de>
5415 PR tree-optimization/43367
5416 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
5419 2010-03-15 Richard Guenther <rguenther@suse.de>
5421 PR tree-optimization/43317
5422 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
5424 2010-03-15 Martin Jambor <mjambor@suse.cz>
5426 PR tree-optimization/43141
5427 * tree-sra.c (create_abstract_origin): New function.
5428 (modify_function): Call create_abstract_origin.
5430 2010-03-15 Chris Demetriou <cgd@google.com>
5432 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
5435 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5438 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
5439 call insert_out_of_ssa_copy for default definitions.
5441 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5443 * graphite-clast-to-gimple.c (my_long_long): Defined.
5444 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
5445 * graphite-sese-to-poly.c (my_long_long): Defined.
5446 (scop_ivs_can_be_represented): Use it.
5448 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5450 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
5451 graphite-max-bbs-per-function, and loop-block-tile-size.
5452 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
5454 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
5456 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5458 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
5459 forward declaration.
5460 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
5461 (add_upper_bounds_from_estimated_nit): New.
5462 (build_loop_iteration_domains): Use it.
5464 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5466 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
5468 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5471 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
5472 should be an INTEGER_CST. Also handle CASE_CONVERT.
5474 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5476 * graphite.c (graphite_initialize): To bound the number of bbs per
5477 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
5478 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
5479 * doc/invoke.texi: Document it.
5481 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5483 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
5484 * graphite-sese-to-poly.h (build_poly_scop): Same.
5486 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5488 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
5489 the number of parameters in the scop. Use as an upper bound
5490 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
5491 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
5492 * doc/invoke.texi: Document it.
5494 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
5496 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
5497 * doc/c-tree.texi: Remove.
5498 * doc/generic.texi: Merge c-tree.texi here.
5499 * doc/gccint.texi (Trees): Remove menu entry.
5500 (c-tree.texi): Remove @include.
5501 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
5502 * doc/languages.texi (Reading RTL): Ditto.
5504 2010-03-12 Steve Ellcey <sje@cup.hp.com>
5507 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
5509 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
5512 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
5513 code added to work around reload clobbering CONST insns.
5515 2010-03-12 Jakub Jelinek <jakub@redhat.com>
5517 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
5518 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
5519 (cselib_preserve_only_values): Remove retain argument, don't
5520 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
5521 * cselib.h (cselib_preserve_only_values): Remove retain argument.
5522 * var-tracking.c (micro_operation): Move insn field before union.
5523 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
5524 (struct variable_tracking_info_def): Remove n_mos field, change
5525 mos into a vector of micro_operations.
5526 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
5527 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
5528 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
5529 changing into a vector.
5530 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
5531 come before all other uops generated by add_stores.
5532 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
5534 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
5535 a vector. Run just one pass over the bbs instead of separate counting
5536 and computation phase.
5537 (vt_finalize): Free VTI (bb)->mos vector instead of array.
5540 * tree-inline.c (remap_decls): Put old_var rather than origin_var
5541 into *nonlocalized_list vector.
5542 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
5543 even if origin is non-NULL.
5544 (gen_variable_die): Likewise.
5545 (process_scope_var): Don't change origin.
5546 (gen_decl_die): Likewise.
5547 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
5548 before adding new edges instead of after it, fix moving over
5551 2010-03-11 David S. Miller <davem@davemloft.net>
5553 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
5555 * configure: Rebuild.
5557 2010-03-11 Martin Jambor <mjambor@suse.cz>
5559 PR tree-optimization/43257
5560 * tree.c (assign_assembler_name_if_neeeded): New function.
5561 (free_lang_data_in_cgraph): Assembler name assignment moved to the
5563 * tree.h (assign_assembler_name_if_neeeded): Declare.
5564 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
5565 the function if needed.
5567 2010-03-11 Chris Demetriou <cgd@google.com>
5569 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
5570 include/stdint-gcc.h, and include/stdint.h world-readable.
5572 2010-03-11 Richard Guenther <rguenther@suse.de>
5574 PR tree-optimization/43255
5575 * tree-vrp.c (process_assert_insertions_for): Do not insert
5576 asserts for trivial conditions.
5578 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5580 PR tree-optimization/43280
5581 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
5582 generation. Move calculation of size out of the if branch.
5583 (find_bswap): Modify compare number generation.
5585 2010-03-11 Richard Guenther <rguenther@suse.de>
5588 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
5589 (input_gimple_stmt): Fixup handled component types during
5590 operand read. Also fix up decls in ADDR_EXPRs.
5592 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
5594 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
5595 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
5597 2010-03-10 Jan Hubicka <jh@suse.cz>
5600 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
5601 * varasm.c (get_variable_section): Don't do that here...
5602 (make_decl_rtl): ... and here.
5603 (do_assemble_alias): Produce decl RTL.
5604 (assemble_alias): Likewise.
5606 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5609 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
5610 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
5612 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
5613 (based_loc_descr): Only express drap or vdrap regno based expressions
5614 using DW_OP_fbreg when not optimizing.
5615 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
5616 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
5617 REG_CFA_SET_VDRAP note.
5619 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
5621 PR tree-optimization/43236
5622 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
5623 error in calculation of base address in reverse iteration case.
5624 (generate_builtin): Take number of latch executions if the statement
5627 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
5630 * tree-eh.c: Include pointer-set.h.
5631 (lower_eh_dispatch): Filter out duplicate case labels and
5632 remove the unneeded edge when the label is unused. Return
5633 true when some edges are removed.
5634 (execute_lower_eh_dispatch): When any lowering resulted in
5635 removing an edge, also delete unreachable blocks.
5637 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5640 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
5641 UNSPEC_MACHOPIC_OFFSET.
5643 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
5646 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
5647 (m68k_delegitimize_address): New function.
5649 2010-03-09 Jakub Jelinek <jakub@redhat.com>
5652 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
5655 * var-tracking.c (adjust_sets): New function.
5656 (count_with_sets, add_with_sets): Use it.
5657 (get_adjusted_src): New inline function.
5658 (add_stores): Use it.
5661 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
5662 call cselib_dummy_expand_value_rtx_cb instead of
5663 cselib_expand_value_rtx_cb.
5666 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
5667 * config/i386/i386.c: Include debug.h and dwarf2out.h.
5668 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
5669 and .cfi_endproc around the pic thunks.
5670 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
5671 all queued unwind info register saves are saved before the call.
5672 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
5673 considered as sp-=4 for unwind info and the pop as sp+=4 which
5674 also clobbers dest, but doesn't actually restore it.
5677 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
5678 RTX_FRAME_RELATED_P.
5680 2010-03-09 Jie Zhang <jie@codesourcery.com>
5682 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
5683 whitespaces in output template.
5685 2010-03-09 Jie Zhang <jie@codesourcery.com>
5687 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
5690 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5692 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
5693 builtins.exp in a separate job.
5695 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5697 * graphite-sese-to-poly.c (add_param_constraints): Use
5698 lower_bound_in_type and upper_bound_in_type.
5700 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5702 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
5703 instead of unsigned_type_node.
5705 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5706 Reza Yazdani <reza.yazdani@amd.com>
5709 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
5710 on pointer type parameters.
5712 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5716 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
5717 handle conversions from pointer to integers.
5718 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
5719 induction variable, to be able to work with code generated by CLooG.
5720 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
5721 (build_poly_scop): Bail out if we cannot codegen a loop.
5723 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5725 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
5726 code generation with gloog_error.
5728 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5730 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
5731 Call fold_convert on all the returned values.
5732 (expand_scalar_variables_expr): Pass to
5733 expand_scalar_variables_ssa_name the type of the resulting expression.
5735 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5737 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
5738 ppl_min_for_le_pointset.
5739 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
5740 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
5742 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5744 * graphite-dependences.c (map_into_dep_poly): Removed.
5745 (dependence_polyhedron_1): Use combine_context_id_scat.
5747 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5749 * graphite-poly.h (struct poly_scattering): Add layout documentation.
5750 (struct poly_bb): Same.
5751 (combine_context_id_scat): New.
5753 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5756 * sese.c (name_defined_in_loop_p): Return false for default
5759 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5761 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
5762 and clean up the logic.
5764 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5766 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
5769 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5771 * var-tracking.c (remove_cselib_value_chains): Define only for
5773 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
5774 delete_slot_part, emit_notes_for_differences_1): Don't call
5775 remove_cselib_value_chains here.
5776 (set_slot_part, emit_notes_for_differences_2): Don't call
5777 add_cselib_value_chains here.
5778 (preserved_values): New vector.
5779 (preserve_value): New function.
5780 (add_uses, add_stores, vt_add_function_parameters): Use it
5781 instead of cselib_preserve_value.
5782 (changed_values_stack): New vector.
5783 (check_changed_vars_0): New function.
5784 (check_changed_vars_1, check_changed_vars_2): Use it.
5785 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
5786 changed_values_stack VALUEs.
5787 (vt_emit_notes): For all preserved_values call
5788 add_cselib_value_chains. If ENABLE_CHECKING call
5789 remove_cselib_value_chains before verifying value_chains is empty.
5790 Initialize and free changed_values_stack.
5791 (vt_initialize): Initialize preserved_values.
5792 (vt_finalize): Free preserved_values.
5794 2010-03-08 Richard Guenther <rguenther@suse.de>
5796 PR tree-optimization/43269
5797 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
5800 2010-03-08 Martin Jambor <mjambor@suse.cz>
5802 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
5803 (ipa_is_param_called): Removed.
5804 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
5805 (ipa_print_node_params): Do not print the called flag.
5806 (ipa_write_node_info): Do not stream the called flag.
5807 (ipa_read_node_info): Likewise.
5809 2010-03-07 Jakub Jelinek <jakub@redhat.com>
5812 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
5813 * cselib.c (struct expand_value_data): Add dummy field.
5814 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
5816 (cselib_dummy_expand_value_rtx_cb): New function.
5817 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
5819 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
5820 * var-tracking.c: Include pointer-set.h.
5821 (variable): Change n_var_parts to char from int. Add
5822 cur_loc_changed and in_changed_variables fields.
5823 (variable_canonicalize): Remove.
5824 (shared_var_p): New inline function.
5825 (unshare_variable): Maintain cur_loc_changed and
5826 in_changed_variables fields. If var was in changed_variables,
5827 replace it there with new_var. Just copy cur_loc instead of
5828 resetting it to something else.
5829 (variable_union): Don't recompute cur_loc. Use shared_var_p.
5830 (dataflow_set_union): Don't call variable_canonicalize.
5831 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
5832 of their DEBUG_EXPR_TREE_DECLs.
5833 (canonicalize_loc_order_check): Verify that cur_loc is NULL
5834 and in_changed_variables and cur_loc_changed is false.
5835 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
5836 and cur_loc_changed. Don't update cur_loc here.
5837 (variable_merge_over_src): Don't call variable_canonicalize.
5838 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
5839 removing loc that is equal to cur_loc, clear cur_loc,
5840 set cur_loc_changed and ensure variable_was_changed is called.
5841 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
5842 compare pointers in cur_loc check, if it is equal to loc,
5843 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
5844 (variable_different_p): Remove compare_current_location argument,
5845 don't compare cur_loc.
5846 (dataflow_set_different_1): Adjust variable_different_p caller.
5847 (variable_was_changed): If dv had some var in changed_variables
5848 already, reset in_changed_variables flag for it and propagate
5849 cur_loc_changed over to the new variable. On empty var
5850 always set cur_loc_changed. Set in_changed_variables on whatever
5851 var is added to changed_variables.
5852 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
5853 Use shared_var_p. When removing loc that is equal to cur_loc,
5854 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
5855 end, don't set it to something else, just call variable_was_changed.
5856 (delete_slot_part): Use shared_var_p. When cur_loc equals to
5857 loc being removed, clear cur_loc and set cur_loc_changed.
5858 Set cur_loc_changed if all locations have been removed.
5859 (struct expand_loc_callback_data): New type.
5860 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
5861 allocated. Always create SUBREGs if simplify_subreg failed.
5862 Prefer to use cur_loc, when that fails and still in
5863 changed_variables (and seen first time) recompute it. Set
5864 cur_loc_changed of variables which had to change cur_loc and
5865 compute elcd->cur_loc_changed if any of the subexpressions used
5866 had to change cur_loc.
5867 (vt_expand_loc): Adjust to pass arguments in
5868 expand_loc_callback_data structure.
5869 (vt_expand_loc_dummy): New function.
5870 (emitted_notes): New variable.
5871 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
5872 that weren't used for any other decl in current
5873 emit_notes_for_changes call call vt_expand_loc_dummy to update
5874 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
5875 first loc_chain location if NULL before. Always use just
5876 cur_loc instead of first loc_chain location. When cur_loc_changed
5877 is false, when not --enable-checking=rtl just don't emit any note.
5878 When rtl checking, compute the note and assert it is the same
5879 as previous note. Clear cur_loc_changed and in_changed_variables
5880 at the end before removing from changed_variables.
5881 (check_changed_vars_3): New function.
5882 (emit_notes_for_changes): Traverse changed_vars to call
5883 check_changed_vars_3 on each changed var.
5884 (emit_notes_for_differences_1): Clear cur_loc_changed and
5885 in_changed_variables. Recompute cur_loc of new_var.
5886 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
5887 (vt_emit_notes): Initialize and destroy emitted_notes.
5889 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
5891 PR rtl-optimization/42220
5892 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
5893 Use verify_reg_tracked to determine if we should use OP_OUT rather
5895 (build_def_use): If we see an in-out operand for a register that we
5896 know nothing about, treat is an output if possible, fail the block if
5899 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5902 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
5905 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5908 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
5909 uses of relevant DEFs that are dead outside the loop too.
5911 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5913 * var-tracking.c (dataflow_set_merge): Swap src and src2.
5915 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5917 * var-tracking.c (values_to_unmark): New variable.
5918 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5919 values_to_unmark vector. Moved body to...
5920 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5921 instead queue it into values_to_unmark vector.
5922 (vt_find_locations): Free values_to_unmark vector.
5924 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
5926 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
5927 (site.exp): Export them when plugins are enabled.
5929 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
5932 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
5934 (chrec_fold_multiply): Same.
5936 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5939 * c-decl.c (build_compound_literal): Return early if init is
5942 2010-03-04 Martin Jambor <mjambor@suse.cz>
5944 PR tree-optimization/43164
5945 PR tree-optimization/43191
5946 * tree-sra.c (type_consists_of_records_p): Reject records with
5947 zero-size bit-fields at the end.
5949 2010-03-04 Mike Stump <mikestump@comcast.net>
5951 * Makefile.in (TAGS): Remove *.y.
5953 2010-03-04 Richard Guenther <rguenther@suse.de>
5955 PR tree-optimization/40761
5956 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
5958 (my_rev_post_order_compute): New function.
5959 (init_pre): Call it.
5961 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
5964 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
5965 decrease the cost of an IV candidate when the cost is infinite.
5967 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5969 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
5970 Use '3DNow!' for the extension of that name, ensure normal space
5972 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
5974 2010-03-03 Jeff Law <law@redhat.com>
5976 * PR middle-end/32693
5977 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
5978 than gen_rtx_SUBREG.
5979 (extract_bit_field_1): Likewise.
5981 2010-03-03 Janis Johnson <janis187@us.ibm.com>
5983 * doc/sourcebuild.texi (Test directives): Document that arguments
5984 include-opts and exclude-opts are now optional for dg-skip-if,
5985 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
5987 2010-03-03 Jason Merrill <jason@redhat.com>
5990 * cgraph.h (varpool_node): Add extra_name field.
5991 * varpool.c (varpool_extra_name_alias): New.
5992 (varpool_assemble_decl): Emit extra name aliases.
5993 (varpool_mark_needed_node): Look past an extra name alias.
5994 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
5995 * lto-streamer-in.c (lto_input_tree): Read it.
5996 * lto-streamer-out.c (output_unreferenced_globals): Write it.
5998 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
6000 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
6001 (sparc*-*-solaris2*): ...this.
6003 2010-03-03 Jakub Jelinek <jakub@redhat.com>
6006 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
6007 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
6008 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
6009 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
6012 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
6013 fallthrough to default handling, just with want_address 0 instead of 2.
6014 For single element lists, add_AT_loc directly, otherwise create an
6015 artificial variable DIE and stick location list to it.
6018 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
6019 (VAL_EXPR_HAS_REVERSE): Define.
6020 (reverse_op): New function.
6021 (add_stores): For reversible operations add an extra MO_VAL_USE.
6023 2010-03-02 Jason Merrill <jason@redhat.com>
6025 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
6027 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
6029 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
6030 (sparc64-*-linux*): Likewise.
6031 (sparc64-*-solaris2*): Include assembler files before linker ones.
6032 (sparc-*-solaris2*): Simplify and reorder to match previous case.
6033 * config/sparc/gas.h: Delete.
6034 * config/sparc/sol2-64.h: Add copyright notice.
6035 * config/sparc/sol2-gas-bi.h: Likewise.
6036 * config/sparc/sol2-gld.h: Likewise.
6037 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
6038 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
6039 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
6040 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
6041 (sparc_elf_asm_named_section): Rename into...
6042 (sparc_solaris_elf_asm_named_section): ...this. Always define.
6044 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
6046 * config/alpha/alpha.c (override_options): Fix -mtune error message.
6048 2010-03-02 Jeff Law <law@redhat.com>
6051 * reload1.c (rtx_p, substitute_stack): Declare.
6052 (substitute): Record addresses of changed rtxs.
6053 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
6054 Restore the original rtx when complete.
6055 (reload): Free subsitute_stack when complete.
6057 2010-03-02 Janis Johnson <janis187@us.ibm.com>
6059 * doc/gccint.texi (menu): Add Testsuites as a chapter.
6060 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
6062 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
6063 LTO Testing, gcov Testing, profopt Testing, compat Testing,
6064 Torture Tests): Change from subsection to section.
6066 2010-03-02 Jakub Jelinek <jakub@redhat.com>
6067 Steven Bosscher <steven@gcc.gnu.org>
6069 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
6072 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
6075 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
6076 the assignment from the new induction variable to the assignment
6077 of the value from the original loop PHI function.
6079 2010-03-01 Janis Johnson <janis187@us.ibm.com>
6080 Daniel Jacobowitz <dan@codesourcery.com>
6082 * doc/sourcebuild.texi (Test directives): Clarify options to
6085 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6087 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
6088 Disable cfi directives unless GCC and gas agree on using read-only
6089 .eh_frame sections for 64-bit.
6090 * configure: Regenerate.
6092 2010-03-01 Richard Guenther <rguenther@suse.de>
6094 PR tree-optimization/43220
6095 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
6096 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
6098 2010-03-01 Richard Guenther <rguenther@suse.de>
6099 Martin Jambor <mjambor@suse.cz>
6102 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
6103 gimplified parameters.
6105 2010-03-01 Christian Bruel <christian.bruel@st.com>
6107 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
6109 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
6111 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
6113 2010-03-01 Richard Guenther <rguenther@suse.de>
6116 * expr.c (expand_assignment): Use the alias-oracle to tell
6117 if the rhs aliases the result decl.
6119 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6122 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
6123 to sol_gt_pch_get_address.
6124 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
6125 64-bit, SPARC and x86.
6126 (sol_gt_pch_get_address): New function.
6128 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
6130 * toplev.h (inform_n, error_n): Declare.
6131 * diagnostic.c (inform_n, error_n): New function.
6133 2010-03-01 Jakub Jelinek <jakub@redhat.com>
6135 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
6136 has no rtl yet when processing local_decls, queue it and recheck
6137 if deferred stack allocation hasn't assigned it rtl.
6139 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
6141 * config/sh/sh.c (unspec_bbr_uid): New.
6142 (gen_block_redirect): Use it instead of INSN_UID.
6143 (gen_far_branch): Likewise.
6145 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
6147 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
6148 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
6150 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6152 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
6153 (Warning Options): -Wno-conversion-null is valid for
6154 Objective-C++ as well.
6155 * doc/tm.texi (Named Address Spaces): Likewise.
6156 * doc/plugins.texi (Plugins): Replace TABs with spaces.
6157 * doc/tree-ssa.texi (Tree SSA): Likewise.
6159 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6162 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
6163 by default. Don't set the default arch for
6164 i[34567]86-*-darwin*|x86_64-*-darwin*.
6166 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6169 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
6170 default. Set the default 32bit/64bit archs with $with_arch
6171 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
6173 2010-02-27 Richard Guenther <rguenther@suse.de>
6175 PR tree-optimization/43186
6176 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
6177 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
6178 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
6179 unroller iterations.
6181 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6183 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
6184 required and i[34567]86-*-* targets don't support 64bit ISA.
6186 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
6189 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6192 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
6194 * config.gcc: Set the default arch at least to Prescott for
6195 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
6196 if SSE math is enabled.
6198 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6200 * diagnostic.c (diagnostic_initialize): Update.
6201 (diagnostic_report_diagnostic): Test inhibit_notes_p for
6203 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
6204 (diagnostic_inhibit_notes): New.
6205 * toplev.c (process_options): inhibit notes with -fcompare-debug.
6207 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6210 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
6211 * doc/standards.texi: Likewise.
6212 * doc/extend.texi: Likewise.
6213 * doc/trouble.texi: Likewise.
6214 * doc/cppopts.texi: Likewise.
6215 * doc/install.texi: Likewise.
6216 * c.opt (std=c90,std=gnu90): New options.
6217 * c-opts.c (c_common_handle_option): Handle them.
6219 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6222 * c-decl.c (undeclared_variable): Use an informative note.
6224 2010-02-26 Richard Guenther <rguenther@suse.de>
6226 PR tree-optimization/43186
6227 * gimple.h (gimple_fold): Remove.
6228 * gimple.c (gimple_fold): Remove. Inline into single user ...
6229 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
6230 Try harder for conditions.
6232 2010-02-26 Jakub Jelinek <jakub@redhat.com>
6235 * function.c (used_types_insert): Don't skip through named pointer
6236 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
6237 and it is different from the main variant's type.
6239 2010-02-26 Nick Clifton <nickc@redhat.com>
6241 * config/rx/rx.md (sminsi3): Remove bogus alternative.
6243 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
6245 * config.gcc: Support --with-fpmath=sse for x86.
6247 * config/i386/ssemath.h: New.
6249 * doc/install.texi (--with-fpmath=sse): Documented.
6251 2010-02-26 Richard Guenther <rguenther@suse.de>
6253 PR tree-optimization/43188
6254 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
6255 vector types of over-aligned element type.
6257 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
6260 * config/i386/i386.c (expand_vec_perm_blend): Use correct
6261 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
6263 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
6265 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
6267 2010-02-26 Jakub Jelinek <jakub@redhat.com>
6269 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
6270 * var-tracking.c: Include diagnostic.h.
6271 (debug_dv): New function.
6272 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
6275 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
6276 (add_value_chain, add_value_chains, remove_value_chain,
6277 remove_value_chains): Handle DEBUG_EXPRs.
6278 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
6281 * regcprop.c (struct queued_debug_insn_change): New type.
6282 (struct value_data_entry): Add debug_insn_changes field.
6283 (struct value_data): Add n_debug_insn_changes field.
6284 (debug_insn_changes_pool): New variable.
6285 (free_debug_insn_changes, apply_debug_insn_changes,
6286 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
6287 (kill_value_one_regno): Call free_debug_insn_changes if needed.
6288 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
6290 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
6292 (copyprop_hardreg_forward_1): Don't call apply_change_group for
6293 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
6294 changes, call cprop_find_used_regs via note_stores.
6295 (copyprop_hardreg_forward): When copying vd from predecessor
6296 which has any queued DEBUG_INSN changes, make sure the pointers are
6297 cleared. At the end call df_analyze and then if there are any
6298 DEBUG_INSN changes queued at the end of some basic block for still
6299 live registers, apply them.
6300 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
6302 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
6304 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
6307 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
6309 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
6310 targets. Set the default with_cpu/with_arch from arch/cpu.
6311 Allow x86-64 and native for with_cpu/with_arch.
6313 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
6315 * ebitmap.c: Change calls to verify_popcount with calls to
6316 sbitmap_verify_popcount.
6317 (ebitmap_clear_bit): Fixed map->cacheindex test and
6318 map>cache update when bit clearing results in an empty
6321 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
6324 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
6325 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
6326 and support both V2DF and V2DI modes.
6327 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
6328 support both V2DF and V2DI modes.
6329 (general): Delete trailing whitespace from a few patterns.
6331 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6332 V2DF/V2DI interleave high/low builtins.
6334 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
6337 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
6338 interleave high/low functions.
6340 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
6342 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
6343 #pragma extern_prefix.
6345 2010-02-25 Jakub Jelinek <jakub@redhat.com>
6348 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
6349 BLKmode, assert op0 is a MEM and just adjust its mode.
6352 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
6353 if bitpos isn't multiple of mode's bitsize.
6355 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6357 * c.opt (-ftemplate-depth=): New.
6358 (-ftemplate-depth-): Deprecate.
6359 * optc-gen.awk: Handle -ftemplate-depth=.
6360 * opth-gen.awk: Likewise.
6361 * c-opts.c (c_common_handle_option): Likewise.
6362 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
6364 2010-02-24 Jason Merrill <jason@redhat.com>
6366 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
6368 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6370 * cfg.c (alloc_aux_for_block): Remove inline.
6371 (alloc_aux_for_edge): Likewise.
6373 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6375 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
6377 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6379 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
6380 * config/i386/sol2-gas.h: New file.
6381 * config.gcc (i[34567]86-*-solaris2*): Use it.
6383 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6386 * c-typeck.c (ep_convert_and_check): New.
6387 (build_conditional_expr): Use it.
6388 (build_binary_op): Likewise.
6390 2010-02-24 Jakub Jelinek <jakub@redhat.com>
6392 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
6395 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
6396 bounds even for -O+.
6397 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
6398 expr needs to have DECL_NAME set.
6400 2010-02-24 Nick Clifton <nickc@redhat.com>
6402 * config/mep/mep.c: Include gimple.h.
6403 (mep_function_uses_sp): Delete unused function.
6404 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
6405 parameters. Use unsigned integers to count args. Return a
6406 NULL_RTX instead of an error_mark_node. Toidy up formatting.
6408 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6411 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
6412 greater or equal to nelt instead of 2 * nelt.
6413 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
6416 2010-02-23 Jason Merrill <jason@redhat.com>
6419 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
6420 in cfun->local_decls even if they have register types.
6423 * stor-layout.c (place_field): Don't warn about unnecessary
6424 DECL_PACKED if the type is packed.
6426 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6429 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
6430 GOTOFF relocs, even when the base reg isn't pic pointer.
6432 2010-02-23 Michael Matz <matz@suse.de>
6435 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
6436 (expand_gimple_basic_block): Generate and use debug temps if there
6437 are debug uses left after the last real use of TERed ssa names.
6438 Unlink debug immediate uses when they are expanded.
6440 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
6443 * config/i386/i386.c (override_options): Reorganise to provide
6444 better error messages.
6446 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6449 * graphite-scop-detection.c (create_single_exit_edge): Move
6450 the call to find_single_exit_edge to....
6451 (create_sese_edges): ...here. Don't handle multiple edges
6452 exiting the function.
6453 (build_graphite_scops): Don't handle multiple edges
6454 exiting the function.
6456 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6459 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
6460 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
6462 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6465 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
6467 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
6470 * c-typeck.c (convert_arguments): Print declaration location.
6471 * c-common.c (validate_nargs): Rename as
6472 builtin_function_validate_nargs.
6473 (check_builtin_function_arguments): Update.
6475 2010-02-22 Richard Guenther <rguenther@suse.de>
6478 * tree-inline.c (declare_return_variable): Use the type of
6479 the call stmt lhs if available.
6481 2010-02-22 Duncan Sands <baldrick@free.fr>
6483 * passes.c (register_pass): Always consider all pass lists when
6484 ref_pass_instance_number is zero.
6486 2010-02-22 Richard Guenther <rguenther@suse.de>
6488 PR tree-optimization/42749
6489 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
6490 parameter. Do arithmetic in the original type.
6491 (update_accumulator_with_ops): Likewise.
6492 (adjust_accumulator_values): Adjust.
6494 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6496 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
6497 (QI to BLKmode splitter): New splitter.
6499 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
6501 * config/i386/i386.c (initial_ix86_tune_features): Turn on
6502 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
6504 2010-02-22 Richard Guenther <rguenther@suse.de>
6506 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
6508 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
6510 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
6511 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
6512 ($(T)crti.o, $(T)crtn.o): Remove rules.
6514 2010-02-21 Tobias Burnus <burnus@net-b.de>
6517 * doc/invoke.texi (-fassociative-math): Document that this
6518 option is automatically enabled for Fortran.
6520 2010-02-20 David S. Miller <davem@davemloft.net>
6522 * configure.ac: Test if linker and assembler properly support
6523 GOTDATA_OP relocations.
6524 * configure: Rebuild.
6525 * config.in: Likewise.
6526 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
6527 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
6528 (movsi_high_pic): Likewise.
6529 (movdi_lo_sum_pic): Likewise.
6530 (movdi_high_pic): Likewise.
6531 (movsi_pic_gotdata_op): New pattern.
6532 (movdi_pic_gotdata_op): Likewise.
6533 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
6534 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
6536 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
6539 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
6540 attribute to ssemul.
6541 (xop_mulv2div2di3_high): Ditto.
6543 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6546 * c.opt (Wconversion-null): New option.
6547 * doc/invoke.texi (Wconversion-null): Document.
6549 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6551 * common.opt (Wlarger-than-): Add Undocumented.
6553 2010-02-19 Mike Stump <mikestump@comcast.net>
6555 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
6557 2010-02-19 Jason Merrill <jason@redhat.com>
6560 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
6561 * configure: Likewise.
6563 2010-02-20 Alan Modra <amodra@gmail.com>
6566 * cgraph.h (cgraph_make_decl_local): Declare.
6567 * cgraph.c (cgraph_make_decl_local): New function.
6568 (cgraph_make_node_local): Use it.
6569 * cgraphunit.c (cgraph_function_versioning): Likewise.
6570 * ipa.c (function_and_variable_visibility): Likewise.
6572 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6575 * except.c (sjlj_emit_function_enter): Don't call
6576 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
6578 * rtl.h (add_reg_br_prob_note): Remove prototype.
6580 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
6583 * c-common.c (conversion_warning): Remove widening conversions
6584 before checking the conversion of integers to reals.
6586 2010-02-19 Mike Stump <mikestump@comcast.net>
6589 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
6592 * cgraphunit.c (process_function_and_variable_attributes): Check
6593 DECL_PRESERVE_P instead of looking up attribute "used".
6594 * ipa-pure-const.c (check_decl): Likewise.
6595 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
6596 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
6597 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
6598 instead of attribute "used".
6599 * config/sol2-c.c (solaris_pragma_init): Likewise.
6600 (solaris_pragma_fini): Likewise.
6602 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6604 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
6605 Use XCNEW instead of xcalloc.
6606 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
6607 XNEW instead of xmalloc.
6608 (get_fields): Use XNEWVEC instead of xmalloc.
6611 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
6612 populate vars array.
6613 (create_new_general_access): For debug stmts just reset value.
6614 (get_stmt_accesses): For accesses within debug stmts just record them
6615 using add_access_to_acc_sites instead of preventing the peeling or
6616 counting them as accesses.
6619 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
6621 2010-02-19 Richard Guenther <rguenther@suse.de>
6623 PR tree-optimization/42916
6624 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
6627 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
6629 * configure.ac: Replace all uses of changequote in macro arguments
6630 with proper quoting.
6632 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6635 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
6637 2010-02-19 Richard Guenther <rguenther@suse.de>
6639 PR tree-optimization/42944
6640 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
6641 test for aliasing with errno.
6643 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6646 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
6647 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
6648 * dojump.c: Include output.h.
6649 (inv): New inline function.
6650 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
6651 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
6652 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
6653 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
6654 argument, pass it down to other calls.
6655 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
6656 add REG_BR_PROB note to the conditional jump.
6657 * cfgexpand.c (add_reg_br_prob_note): Removed.
6658 (expand_gimple_cond): Don't call it, add the probability
6659 as last argument to jumpif_1/jumpifnot_1.
6660 * Makefile.in (dojump.o): Depend on output.h.
6661 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
6663 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
6664 * stmt.c (do_jump_if_equal): Likewise.
6665 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
6666 * loop-unswitch.c (compare_and_jump_seq): Likewise.
6667 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
6669 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
6670 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
6671 jumpifnot_1 callers.
6672 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
6674 (store_expr): Adjust jumpifnot caller.
6675 (store_constructor): Adjust jumpif caller.
6678 * gimplify.c (gimple_boolify): For __builtin_expect call
6679 gimple_boolify also on its first argument.
6681 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
6683 * configure.ac (gnu-unique-object): Wrap regexps using [] in
6685 (__stack_chk_fail): Ditto. Remove quadrigraphs.
6686 * configure: Regenerated.
6688 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6690 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
6691 lang_hooks.types_compatible_p instead of comptypes.
6693 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
6695 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
6696 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
6697 if __prefer_thumb__ is defined.
6699 2010-02-18 Martin Jambor <mjambor@suse.cz>
6701 PR tree-optimization/43066
6702 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
6703 array with zero-sized element type.
6705 2010-02-18 Jakub Jelinek <jakub@redhat.com>
6707 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
6708 rtx, allocate struct var_loc_node here and return it to the
6709 caller, and only if it is actually needed.
6710 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
6711 move it earlier and return immediately if it returns NULL.
6713 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
6715 * config/sparc/gas.h: New file. Restore
6716 TARGET_ASM_NAMED_SECTION to its ELF default.
6717 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
6719 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6720 Likewise. Add ATTRIBUTE_UNUSED to prototype.
6721 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
6722 after sparc/sysv4.h.
6724 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
6726 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
6728 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
6730 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
6731 patterns from predicated pattern.
6733 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
6736 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
6737 for insn mnemonic suffix.
6739 2010-02-17 Richard Guenther <rguenther@suse.de>
6741 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
6744 2010-02-17 Jakub Jelinek <jakub@redhat.com>
6747 * caller-save.c (save_call_clobbered_regs): If BB ends with
6748 a DEBUG_INSN, move any notes in between last real insn and the last
6749 DEBUG_INSN after the last DEBUG_INSN.
6751 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
6753 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
6754 Fix return type. Fix argument type. Explain meaning of return value.
6756 2010-02-16 Richard Guenther <rguenther@suse.de>
6758 PR tree-optimization/41043
6759 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
6760 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
6762 (vrp_visit_phi_node): ... but only for loop PHI nodes.
6764 2010-02-16 Ira Rosen <irar@il.ibm.com>
6766 PR tree-optimization/43074
6767 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
6768 * tree-vect-loop.c (vect_analyze_loop_operations): Add
6769 vectorizable cycles in hybrid SLP check.
6770 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
6772 2010-02-16 Richard Guenther <rguenther@suse.de>
6774 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
6775 (true_dependence): If memrefs_conflict_p computes must-alias
6776 trust it. Move TBAA check after offset-based disambiguation.
6777 (canon_true_dependence): Likewise.
6779 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
6781 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
6782 * doc/invoke.texi: Document it.
6783 * var-tracking.c: Include toplev.h and params.h.
6784 (vt_find_locations): Return bool indicating success. Compute
6785 hash sizes unconditionally. Check new parameter, report.
6786 (variable_tracking_main_1): Check vt_find_locations results and
6787 retry. Renamed from...
6788 (variable_tracking_main): ... this. New wrapper to preserve
6789 flag_var_tracking_assignments.
6790 * Makefile.in (var-tracking.o): Adjust dependencies.
6792 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
6793 Jakub Jelinek <jakub@redhat.com>
6796 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
6797 if weak_import attribute is present.
6798 * config/darwin.c (machopic_select_section): Likewise.
6800 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
6802 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
6803 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
6804 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
6805 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
6807 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
6810 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
6813 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
6814 Rewrite text to refer to the names.
6816 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
6818 * config/i386/i386-builtin-types.def
6819 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
6820 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
6821 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
6822 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
6823 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
6824 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
6825 IX86_BUILTIN_VPERMIL2PS256.
6826 (MULTI_ARG_4_DF2_DI_I): Defined.
6827 (MULTI_ARG_4_DF2_DI_I1): Defined.
6828 (MULTI_ARG_4_SF2_SI_I): Defined.
6829 (MULTI_ARG_4_SF2_SI_I1): Defined.
6830 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
6831 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
6832 __builtin_ia32_vpermil2ps256.
6833 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6834 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6835 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
6836 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6837 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6838 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
6839 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
6840 CODE_FOR_xop_vpermil2v8sf3.
6841 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
6842 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
6843 * config/i386/xopintrin.h (_mm_permute2_pd): New.
6844 (_mm256_permute2_pd): New.
6845 (_mm_permute2_ps): New.
6846 (_mm256_permute2_ps): New.
6848 2010-02-15 Nick Clifton <nickc@redhat.com>
6850 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
6851 boolean parameters. Use emit_jump_insn when emitting a pop
6852 instruction containing a return insn.
6853 (push): Use 'true' rather than '1' as second parameter to F.
6854 (h8300_expand_prologue): Likewise.
6855 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
6856 (h8300_expand_epilogue): Likewise.
6858 2010-02-15 Richard Guenther <rguenther@suse.de>
6861 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
6864 2010-02-15 Nick Clifton <nickc@redhat.com>
6866 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
6869 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
6871 * intl.c (fake_ngettext): New function.
6872 * intl.h (fake_ngettext): Declare.
6873 (ngettext): Define macro.
6874 * collect2.c (notice_translated): New function.
6875 (main): Use notice_translated and ngettext.
6876 * collect2.h (notice_translated): Declare.
6878 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
6880 * reorg.c (delete_computation): Comment fixes.
6881 * caller-save.c (setup_save_areas): Idem.
6882 * sel-sched-dump.c (dump_lv_set): Idem.
6885 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6887 * config/s390/s390.c (s390_sched_init): New function.
6888 (TARGET_SCHED_INIT): Target hook defined.
6890 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
6891 Jack Howarth <howarth@bromo.med.uc.edu>
6892 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6895 Partial revert of unintended change in fix for PR41605.
6896 * config/darwin.h: Fix typo.
6897 * config/darwin9.h: Same.
6899 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6901 * c-pch.c (pch_init): Clear v.
6903 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6906 * graphite-scop-detection.c (graphite_can_represent_scev): Call
6907 graphite_can_represent_init for MULT_EXPR.
6909 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6913 * graphite-sese-to-poly.c (remove_phi): New.
6914 (translate_scalar_reduction_to_array): Call remove_phi.
6916 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6919 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
6920 * graphite-clast-to-gimple.h (gloog): Update declaration.
6921 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
6922 * graphite-poly.h (struct poly_bb): Add missing comments.
6923 (struct scop): Add poly_scop_p field.
6925 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
6926 * graphite.c (graphite_transform_loops): Build the polyhedral
6927 representation for each scop before code generation.
6928 * sese.c (rename_variables_in_operand): Removed.
6929 (rename_variables_in_expr): Return the renamed expression.
6930 (rename_sese_parameters): New.
6931 * sese.h (rename_sese_parameters): Declared.
6933 2010-02-11 Richard Guenther <rguenther@suse.de>
6935 PR tree-optimization/42998
6936 * tree-ssa-pre.c (create_expression_by_pieces): Treat
6937 POINTER_PLUS_EXPR properly.
6939 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6940 Changpeng Fang <changpeng.fang@amd.com>
6943 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
6944 the cost of an IV candidate when the IV is used in a test against zero.
6946 * gcc.dg/tree-ssa/ivopts-3.c: New.
6948 2010-02-11 Richard Guenther <rguenther@suse.de>
6951 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
6952 pointer-vs-decl case by swapping refs. Handle some cases
6953 of pointer-vs-decl disambiguations more conservatively.
6954 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
6955 to false after expanding.
6957 2010-02-11 Richard Guenther <rguenther@suse.de>
6960 * gcc.c (process_command): Handle LTO file@offset case more
6963 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6965 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
6966 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
6968 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
6970 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
6971 if MEM's mode size isn't DWARF2_ADDR_SIZE.
6972 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
6973 Optimize eq/ne comparisons when both arguments are known to be
6975 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
6976 Don't mask operands unnecessarily if they are known to be already
6979 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
6981 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
6984 2010-02-10 Richard Guenther <rguenther@suse.de>
6986 PR tree-optimization/43017
6987 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
6988 for wrapping signed arithmetic.
6990 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6993 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
6994 if no debug info should be emitted for it.
6996 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
6998 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
6999 note when flag_exceptions is set.
7001 2010-02-10 Duncan Sands <baldrick@free.fr>
7003 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
7005 2010-02-10 Richard Guenther <rguenther@suse.de>
7008 * tree.c (get_unwidened): Handle constants.
7009 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
7011 2010-02-10 Martin Jambor <mjambor@suse.cz>
7014 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
7015 check for variable argument counts independently.
7017 2010-02-10 Christian Bruel <christian.bruel@st.com>
7020 * config/sh/sh.c (find_barrier): Increase length for non delayed
7021 conditional branches.
7023 2010-02-10 Christian Bruel <christian.bruel@st.com>
7025 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
7027 2010-02-10 Jakub Jelinek <jakub@redhat.com>
7029 * builtins.c (set_builtin_user_assembler_name): Also handle
7030 ffs if int is smaller than word.
7032 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
7035 * ira-conflicts.c (get_dup): Remove.
7036 (process_reg_shuffles): Add new parameter. Use it as an
7037 additional guard for copy generation.
7038 (add_insn_allocno_copies): Rewrite.
7040 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
7042 * common.opt (fsched2-use-traces): Preserved for backward
7044 * doc/invoke.texi: Remove the documentation about option
7045 -fsched2-use-traces.
7046 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
7047 flag_sched2_use_traces.
7048 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
7049 the backward compatibility flag section.
7051 2010-02-09 Richard Guenther <rguenther@suse.de>
7053 PR tree-optimization/43008
7054 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
7055 make HEAP variables initialized from global memory if they
7056 are not known builtin functions.
7057 (find_func_aliases): Adjust.
7059 2010-02-09 Richard Guenther <rguenther@suse.de>
7061 PR tree-optimization/43000
7062 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
7063 arithmetic manually.
7065 2010-02-08 Jakub Jelinek <jakub@redhat.com>
7067 PR tree-optimization/42931
7068 * tree-loop-linear.c (try_interchange_loops): Don't call
7069 double_int_mul if estimated_loop_iterations failed.
7071 2010-02-08 Martin Jambor <mjambor@suse.cz>
7074 * tree-sra.c (build_accesses_from_assign): Do not mark in
7075 should_scalarize_away_bitmap if stmt has volatile ops.
7076 (sra_modify_assign): Do not process assigns piecemeal if if stmt
7079 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
7081 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
7083 2010-02-07 Adam Nemet <adambnmet@gmail.com>
7085 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
7088 2010-02-07 Andrew Pinski <pinskia@gmail.com>
7091 * df-core.c (df_finish_pass): Change type of saved_flags to int.
7093 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
7096 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
7097 to unknown_dependence.
7098 (graphite_legal_transform_dr): Handle the unknown_dependence.
7099 (graphite_carried_dependence_level_k): Same.
7101 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
7103 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
7105 2010-02-07 Richard Guenther <rguenther@suse.de>
7108 * expr.c (get_inner_reference): Always initialize *pbitsize.
7110 2010-02-07 Richard Guenther <rguenther@suse.de>
7113 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
7114 new ARRAY_REFs on variable size element or minimal index arrays.
7116 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
7117 gimple_fold_indirect_ref.
7119 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
7122 * arm.c (arm_override_options): Just return if the user has specified
7123 an invalid fpu name.
7125 2010-02-03 Jason Merrill <jason@redhat.com>
7128 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
7129 i386_pe_maybe_record_exported_symbol.
7131 2010-02-05 Steve Ellcey <sje@cup.hp.com>
7134 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
7135 (pa_delegitimize_address): New function.
7137 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
7139 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
7140 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
7142 2010-02-05 Richard Guenther <rguenther@suse.de>
7145 * lto-streamer-in.c (get_resolution): Deal with references
7146 to undefined functions.
7148 2010-02-05 Richard Guenther <rguenther@suse.de>
7150 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
7151 (fold_const_aggregate_ref): Likewise.
7152 (ccp_fold_stmt): Substitute loads.
7153 (maybe_fold_reference): Verify types before substituting.
7155 (fold_gimple_assign): Unshare properly.
7156 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
7158 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
7160 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
7161 for rs6000_gen_cell_microcode.
7163 2010-02-04 Richard Guenther <rguenther@suse.de>
7165 PR rtl-optimization/42952
7166 * dse.c (const_or_frame_p): Remove MEM handling.
7168 2010-02-04 Nick Clifton <nickc@redhat.com>
7170 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
7171 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
7172 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
7173 (mn10300_asm_output_mi_thunk): New function.
7174 (mn10300_can_output_mu_thunk): New function.
7175 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
7176 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
7177 (FUNCTION_ARG): Delete incorrect comment.
7179 2010-02-03 Jason Merrill <jason@redhat.com>
7182 * fold-const.c (operand_equal_p): Handle erroneous types.
7184 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
7186 * config/h8300/h8300.md (can_delay): Fix attibute condition.
7188 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
7190 PR rtl-optimization/42941
7191 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
7194 2010-02-03 Jason Merrill <jason@redhat.com>
7197 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
7199 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
7202 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
7203 (cselib_reset_table): Renamed from...
7204 (cselib_reset_table_with_next_value): ... this.
7205 (cselib_get_next_uid): Renamed from...
7206 (cselib_get_next_unknown_value): ... this.
7207 * cselib.c (next_uid): Renamed from...
7208 (next_unknown_value): ... this.
7209 (cselib_clear_table): Adjust.
7210 (cselib_reset_table): Adjust. Renamed from...
7211 (cselib_reset_table_with_next_value): ... this.
7212 (cselib_get_next_uid): Adjust. Renamed from...
7213 (cselib_get_next_unknown_value): ... this.
7214 (get_value_hash): Use hash.
7215 (cselib_hash_rtx): Likewise.
7216 (new_cselib_val): Adjust. Set and dump uid.
7217 (cselib_lookup_mem): Pass next_uid as hash.
7218 (cselib_subst_to_values): Likewise.
7219 (cselib_log_lookup): Dump uid.
7220 (cselib_lookup): Pass next_uid as hash. Adjust.
7221 (cselib_process_insn): Adjust.
7222 (cselib_init): Initialize next_uid.
7223 (cselib_finish): Adjust.
7224 (dump_cselib_table): Likewise.
7225 * dse.c (canon_address): Dump value uid.
7226 * print-rtl.c (print_rtx): Print value uid.
7227 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
7229 (dv_uid): New function, sort of renamed from...
7230 (dv_htab_hash): ... this, reimplemented in terms of it and...
7231 (dv_uid2hash): ... this. New.
7232 (variable_htab_eq): Drop excess assertions.
7233 (tie_break_pointers): Removed.
7234 (canon_value_cmp): Compare uids.
7235 (variable_post_merge_New_vals): Print uids.
7236 (vt_add_function_parameters): Adjust.
7237 (vt_initialize): Reset table. Adjust.
7239 2010-02-03 Richard Guenther <rguenther@suse.de>
7241 PR tree-optimization/42944
7242 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
7243 (call_may_clobber_ref_p_1): Likewise. Properly handle
7244 malloc and calloc clobbering errno.
7246 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
7248 * doc/invoke.texi: Fix name of sched1 dump.
7250 * opts.c (decode_options): Set flag_tree_switch_conversion
7251 only conditionally on optimize >= 2.
7253 * gcse.c: Assorted comment fixes in pass description.
7255 2010-02-03 Anthony Green <green@moxielogic.com>
7257 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
7258 nop padding in order to maintain alignment of storage location of
7259 target function address.
7260 (moxie_trampoline_init): Store target function address at newly
7262 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
7264 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
7266 2010-02-03 Richard Guenther <rguenther@suse.de>
7269 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
7271 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7273 * config.gcc: Reenable check for obsolete targets.
7274 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
7275 mips-sgi-irix6.[0-4]*.
7277 2010-02-02 Nick Clifton <nickc@redhat.com>
7279 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
7280 constant size of 4 as being the same as 0.
7281 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
7282 can take values in the range 0..4.
7284 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
7287 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
7288 as _darwin10_Unwind_FindEnclosingFunction().
7289 * libgcc-libsystem.ver: New.
7291 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
7294 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
7295 implicitly set registers.
7297 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
7299 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
7300 (arm_override_options): Allow automatic selection of the thread
7301 pointer register if thumb2.
7302 (legitimize_pic_address): Improve code sequences for Thumb2.
7303 (arm_call_tls_get_addr): Likewise.
7304 (legitimize_tls_address): Likewise.
7305 * arm.md (pic_load_addr_arm): Delete. Replace with ...
7306 (pic_load_addr_32bit): ... this. New named pattern.
7307 * thumb2.md (pic_load_addr_thumb2): Delete.
7308 (pic_load_dot_plus_four): Delete.
7309 (tls_load_dot_plus_four): New named pattern.
7311 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7314 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
7315 Document fix for TLS bug.
7317 2010-01-31 Richard Guenther <rguenther@suse.de>
7319 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
7320 conservatively correct.
7322 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7326 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7328 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7330 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7332 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
7334 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
7336 * config.gcc: Adjust order of makefile fragments for mingw targets.
7338 2010-01-31 Richard Guenther <rguenther@suse.de>
7341 * gimplify.c (gimplify_init_constructor): For volatile LHS
7342 initialize a temporary.
7344 2010-01-31 Matthias Klose <doko@ubuntu.com>
7346 * configure.ac: Fix __stack_chk_fail check for cross builds configured
7348 * configure: Regenerate.
7350 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
7352 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
7353 the same alias set and their sizes different constantness.
7354 (aliasing_component_refs_p): Revert 2009-10-24 change.
7356 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7358 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
7361 2010-01-29 Richard Guenther <rguenther@suse.de>
7363 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
7364 Assert we successfully updated the call.
7366 2010-01-29 Jakub Jelinek <jakub@redhat.com>
7368 PR rtl-optimization/42889
7369 * df.h (df_set_bb_dirty_nonlr): New prototype.
7370 * df-core.c (df_set_bb_dirty_nonlr): New function.
7371 * df-scan.c (df_insn_rescan): Call it instead of
7372 df_set_bb_dirty for DEBUG_INSNs.
7374 2010-01-29 Richard Guenther <rguenther@suse.de>
7377 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
7378 quadratic behavior in most cases.
7380 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
7383 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
7384 in the call to gen_x86_movsicc_0_m1.
7386 2010-01-28 Richard Guenther <rguenther@suse.de>
7388 PR tree-optimization/42871
7389 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
7391 2010-01-28 Richard Guenther <rguenther@suse.de>
7393 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
7394 into call arguments.
7396 2010-01-28 Richard Guenther <rguenther@suse.de>
7399 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
7400 the forwarder if the destination is an EH landing pad.
7402 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
7404 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
7405 block list passed to gimple_duplicate_sese_tail.
7406 (parallelize_loops): Avoid parallelization when the function
7408 Avoid parallelization when the preheader is IRREDUCIBLE.
7409 Try to optimize when estimated_loop_iterations_int is unresolved.
7410 Add the loop's location to the dump file.
7411 * tree-cfg.c (add_phi_args_after_redirect): Remove.
7412 (gimple_duplicate_sese_tail): Remove the check for the latch.
7413 Redirect nexits to the exit block.
7414 Remove handling of the incoming edges to the latch.
7415 Redirect the backedge from the copied latch to the exit bb.
7417 2010-01-28 Michael Matz <matz@suse.de>
7420 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
7421 Wrap force_reg into a sequence, emit it before user.
7423 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
7425 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
7427 (arm_legacy_rev): Likewise.
7428 (thumb_legacy_rev): Likewise.
7430 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7432 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
7433 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
7434 on MEM's address failed, try avoid_constant_pool_reference and
7435 recurse if it returned something different.
7436 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
7437 address, try avoid_constant_pool_reference and recurse if it
7438 returned something different.
7439 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
7440 address and avoid_constant_pool_reference returned something
7441 different, don't set have_address.
7443 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
7446 * var-tracking.c (val_store): Add modified argument, obey it.
7448 (count_uses): Move down logging of main.
7449 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
7450 don't need resolution.
7451 (emit_notes_in_bb): Likewise.
7453 2010-01-27 Richard Guenther <rguenther@suse.de>
7456 * tree-inline.c (remap_decl): Delay remapping of SSA name
7457 default definitions until we need them.
7459 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7461 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
7462 (rs6000_delegitimize_address): New function.
7464 * config/s390/s390.c (s390_delegitimize_address): Call
7465 delegitimize_mem_from_attrs.
7468 * tree-inline.c (cannot_copy_type_1): Removed.
7469 (copy_forbidden): Don't forbid copying of functions containing
7470 records/unions with variable length fields.
7472 2010-01-27 Christian Bruel <christian.bruel@st.com>
7476 * config/sh/sh.c (find_barrier): Increase length for non delayed
7477 conditional branches.
7479 2010-01-27 Matthias Klose <doko@ubuntu.com>
7481 * configure.ac (gnu-unique-object): Fix ldd version check.
7482 * configure: Regenerate.
7484 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7486 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
7488 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
7489 Test for HAVE_GNU_AS value.
7491 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7493 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
7494 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
7495 INT64_TYPE): Define.
7496 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
7497 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7498 INT_LEAST64_TYPE): Define.
7499 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
7500 UINT_LEAST64_TYPE): Define.
7501 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
7502 INT_FAST64_TYPE): Define.
7503 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7504 UINT_FAST64_TYPE): Define.
7505 (INTMAX_TYPE, UINTMAX_TYPE): Define.
7506 (INTPTR_TYPE, UINTPTR_TYPE): Define.
7507 (SIG_ATOMIC_TYPE): Define.
7509 2010-01-26 Richard Guenther <rguenther@suse.de>
7511 * df-scan.c (df_scan_set_bb_info): Remove assert.
7512 (df_insn_rescan_debug_internal): Merge asserts.
7513 (df_install_ref): Likewise.
7514 (df_mark_reg): Use bitmap_set_range.
7515 (df_hard_reg_used_p): Remove assert.
7516 (df_hard_reg_used_count): Likewise.
7518 2010-01-26 Richard Guenther <rguenther@suse.de>
7520 PR rtl-optimization/42685
7521 * web.c (web_main): Ignore DEBUG_INSNs.
7523 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
7525 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
7527 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
7528 Fix types of fndecl and arglist parameters.
7530 2010-01-26 Richard Guenther <rguenther@suse.de>
7533 * tree-eh.c (unsplit_eh): Skip debug insns.
7535 2010-01-26 Richard Guenther <rguenther@suse.de>
7537 PR tree-optimization/42250
7538 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
7540 2010-01-26 Jakub Jelinek <jakub@redhat.com>
7543 * omp-low.c (expand_omp_sections): Only use single_pred if
7544 l2_bb is single_pred_p.
7546 2010-01-25 Christian Bruel <christian.bruel@st.com>
7549 * config/sh/sh.c (find_barrier): Increase length for non delayed
7550 conditional branches.
7551 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
7553 2010-01-24 David S. Miller <davem@davemloft.net>
7555 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
7556 define if not using GAS.
7557 * config/sparc/sparc.c (sparc_elf_asm_named_section):
7558 Likewise. Delete SECTION_MERGE code, which is only applicable
7561 2010-01-24 Mark Mitchell <mark@codesourcery.com>
7564 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
7565 mangling of va_list in system headers.
7567 2010-01-23 Toon Moene <toon@moene.org>
7569 * tree-predcom.c (combine_chains): Return NULL, not false.
7571 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
7573 * tree-loop-distribution.c (distribute_loop): Fix declaration and
7574 initialization of variable res to agree with return type.
7576 2010-01-22 Steve Ellcey <sje@cup.hp.com>
7578 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
7579 * tree-sra.c: Add include of expr.h.
7581 2010-01-22 Jakub Jelinek <jakub@redhat.com>
7583 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
7584 insert the debug stmt on the single non-EH edge from the stmt.
7586 2010-01-22 Richard Henderson <rth@redhat.com>
7589 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
7590 the RHS until after generate_subtree_copies has insertted its
7591 code before the current statement.
7593 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
7595 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
7597 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
7599 2010-01-21 Martin Jambor <mjambor@suse.cz>
7601 PR tree-optimization/42585
7602 * tree-sra.c (struct access): New field grp_total_scalarization.
7603 (dump_access): Dump the new field.
7604 (should_scalarize_away_bitmap): New variable.
7605 (cannot_scalarize_away_bitmap): Likewise.
7606 (sra_initialize): Allocate new bitmaps.
7607 (sra_deinitialize): Free new bitmaps.
7608 (create_access_1): New function.
7609 (create_access): Parts moved to create_access_1.
7610 (type_consists_of_records_p): New function.
7611 (completely_scalarize_record): Likewise.
7612 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
7613 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
7614 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
7616 (analyze_all_variable_accesses): Completely scalarize small eligible
7619 2010-01-21 Martin Jambor <mjambor@suse.cz>
7621 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
7623 2010-01-21 Andrew Haley <aph@redhat.com>
7625 * gcc.c (process_command): Move lang_specific_driver before
7626 setting cc_libexec_prefix.
7628 2010-01-21 Richard Guenther <rguenther@suse.de>
7631 * fold-const.c (negate_expr_p): Pretend only negative
7632 real constants are easily negatable.
7634 2010-01-20 Janis Johnson <janis187@us.ibm.com>
7635 Jason Merrill <jason@redhat.com>
7637 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
7638 (TYPE_TRANSPARENT_AGGR): this, for union and record.
7639 * calls.c (initialize argument_information): Handle it.
7640 * c-common.c (handle_transparent_union_attribute): Use new name.
7641 * c-decl.c (finish_struct): Ditto.
7642 * c-typeck.c (type_lists_compatible_p): Ditto.
7643 (convert_for_assignment): Use new name and also handle record.
7644 * function.c (aggregate_value_p): Handle it.
7645 (pass_by_reference): Ditto.
7646 (assign_parm_data_types): Ditto.
7647 * print-tree.c (print_node): Ditto.
7648 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
7649 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
7650 * tree.c (first_field): New fn.
7652 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
7655 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
7656 even when linking statically, for now.
7658 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7661 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
7662 without a cselib val.
7663 (count_uses): Accept MO_VAL_SET with no val on stores.
7664 (add_stores): Likewise.
7666 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7668 * var-tracking.c (check_value_val): Add a compile time assertion.
7669 (dv_is_decl_p): Simplify.
7670 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
7671 gcc_assert if ENABLE_CHECKING.
7673 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7676 * var-tracking.c: Include tree-flow.h.
7677 (mem_dies_at_call): New.
7678 (dataflow_set_preserve_mem_locs): Use it.
7679 (dataflow_set_remove_mem_locs): Likewise.
7680 (dump_var): Renamed from dump_variable. Adjust all callers.
7681 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
7682 * Makefile.in (var-tracking.o): Adjust deps.
7684 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
7686 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
7688 2010-01-20 Richard Guenther <rguenther@suse.de>
7690 PR tree-optimization/42717
7691 * tree-ssa-dce.c (get_live_post_dom): Remove.
7692 (forward_edge_to_pdom): Take an arbitrary edge to copy
7693 degenerate PHI args from.
7694 (remove_dead_stmt): Use the first post-dominator even if it
7695 does not contain live statements as redirection destination.
7697 2010-01-20 Richard Guenther <rguenther@suse.de>
7699 * tree-inline.c (estimate_num_insns): Handle EH builtins.
7701 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7703 * sel-sched.c (create_speculation_check): Remove set but not used
7705 (try_transformation_cache): Remove set but not used variable ds.
7706 (calculate_privileged_insns): Remove set but not used variables
7707 cur_insn and min_spec_insn.
7708 (find_best_expr): Remove set but not used variable avail_n.
7709 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
7711 * cgraphunit.c (assemble_thunk): Remove set but not used variable
7713 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
7714 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
7717 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
7720 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
7721 cpu types. Add support for *-sse3 cpu types.
7722 (x86_64-*-*): Ditto.
7724 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7727 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
7728 argument, call initializer_constant_valid_p_1 instead of
7729 initializer_constant_valid_p, pass CACHE to it, return NULL
7730 immediately if first call returns NULL.
7731 (initializer_constant_valid_p_1): New function.
7732 (initializer_constant_valid_p): Use it.
7734 2010-01-20 Thomas Quinot <quinot@adacore.com>
7736 * tree.def (PLACEHOLDER_EXPR): Fix comment.
7738 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7740 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
7741 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
7742 (loc_list_from_tree): Don't handle unsigned division. Handle
7743 signed modulo using DW_OP_{over,over,div,mul,minus}.
7744 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
7745 modulo instead of signed.
7747 2010-01-20 DJ Delorie <dj@redhat.com>
7749 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
7751 (h8300_emit_stack_adjustment): Propogate it.
7753 (h8300_expand_prologue): Likewise.
7754 (h8300_expand_epilogue): Likewise.
7756 2010-01-19 Michael Matz <matz@suse.de>
7758 PR tree-optimization/41783
7759 * tree-data-ref.c (toplevel): Include flags.h.
7760 (dump_data_dependence_relation): Also dump the inputs if the
7761 result will be unknown.
7762 (split_constant_offset_1): Look through some conversions.
7763 * tree-predcom.c (determine_roots_comp): Restart a new chain if
7764 the offset from last element is too large.
7765 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
7766 (reassociate_to_the_same_stmt): Handle vector registers.
7767 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
7769 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
7770 wide_prolog_niters argument, emit widening instructions.
7771 (vect_do_peeling_for_alignment): Adjust caller, use widened
7772 variant of the iteration cound.
7773 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
7775 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7778 * config/arm/neon-testgen.m (emit_automatics): New parameter
7779 features. Adjust for Fixed_return_reg feature.
7780 (test_intrinsic): Call emit_automatics with new feature.
7781 * config/arm/neon.ml: Update copyright years.
7782 (features): New Fixed_return_reg feature.
7783 (ops): Update feature for Vget_low.
7785 2010-01-19 Jakub Jelinek <jakub@redhat.com>
7787 PR tree-optimization/42719
7788 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
7792 * fwprop.c (all_uses_available_at): Return false if def_set dest
7793 is a REG that is used in def_insn.
7795 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
7797 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
7799 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
7802 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
7804 * target.h (struct gcc_target) <secondary_reload>: Change type
7805 of last argument to secondary_reload_info *.
7807 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
7810 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
7811 memory references with unaligned offsets. Remove CQImode handling.
7812 (unaligned_memory_operand): Return 1 for memory references with
7813 unaligned offsets. Remove CQImode handling.
7815 2010-01-18 Richard Guenther <rguenther@suse.de>
7818 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
7821 2010-01-18 Richard Guenther <rguenther@suse.de>
7823 PR tree-optimization/42781
7824 * tree-ssa-structalias.c (find_what_var_points_to): Skip
7825 restrict processing only if the original variable was artificial.
7827 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
7829 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
7830 find number of popped argument bytes.
7832 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
7833 Fix the text that describes the return value for invalid insns.
7835 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
7837 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
7838 Clarify what 'cost of the -dependence' is. Fix quoting.
7840 * toplev.c (default_get_pch_validity): Rename argument to "sz".
7841 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
7843 2010-01-17 Jakub Jelinek <jakub@redhat.com>
7845 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
7846 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
7848 2010-01-17 Richard Guenther <rguenther@suse.de>
7851 * function.c (split_complex_args): Take a VEC to modify.
7852 (assign_parms_augmented_arg_list): Build a VEC instead of
7853 a chain of PARM_DECLs.
7854 (assign_parms_unsplit_complex): Take a VEC of arguments.
7855 Do not fixup unmodified parms.
7856 (assign_parms): Deal with the VEC.
7857 (gimplify_parameters): Likewise.
7859 2010-01-17 Richard Guenther <rguenther@suse.de>
7861 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
7862 node existence check.
7863 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
7864 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
7865 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
7866 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
7867 (gimple_execute_on_growing_pred): Likewise.
7869 2010-01-17 Richard Guenther <rguenther@suse.de>
7871 PR tree-optimization/42773
7872 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
7873 (compute_antic_aux): Likewise.
7874 (compute_partial_antic_aux): Likewise.
7876 2010-01-17 Jie Zhang <jie.zhang@analog.com>
7879 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
7882 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
7884 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
7887 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
7888 Fix markup for strict argument.
7890 (TARGET_SCHED_REORDER2): Fix argument types.
7892 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
7893 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
7895 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
7896 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
7898 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
7901 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
7902 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
7903 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
7904 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
7905 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
7907 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
7909 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
7911 (TARGET_ASM_RELOC_RW_MASK): Add return type.
7912 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
7914 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
7916 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
7919 (TARGET_ASM_NAMED_SECTION): Fix argument list.
7921 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
7922 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
7924 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
7926 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
7928 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
7929 referring to it. Fix language.
7931 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
7933 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
7935 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
7937 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
7939 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
7940 '@var{stream}. Remove stray 'and'.
7942 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
7944 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
7946 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
7948 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
7949 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
7951 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
7952 Fix description of return value.
7953 Rename argument "sz" to "len."
7955 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
7956 Clarify meaning of 'true' return value.
7958 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
7960 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
7961 rep_mode versus mode_rep.
7963 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
7965 (TARGET_BUILTIN_DECL): Fix name.
7967 (TARGET_COMMUTATIVE_P): Fix type of first argument.
7969 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
7971 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
7973 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
7975 (TARGET_RELAXED_ORDERING): Use @deftypevr.
7977 (TARGET_GET_DRAP_RTX): Note that this is a hook.
7980 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
7981 Rename argument tm_fn to md_fn.
7983 (TARGET_OPTION_PRINT): Fix argument list.
7985 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
7988 * config/i386/i386.c (ix86_fixup_binary_operands):
7989 Revert FMA4 fixup of operands.
7991 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7994 * Makefile.in (write_entries_to_file, install-plugin):
7995 Use \012 instead of \n with tr.
7997 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
7999 * configure.ac (HAVE_AS_REF): New C macro.
8000 * configure: Regenerate.
8001 * config.in: Likewise.
8002 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
8004 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
8007 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
8009 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
8011 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
8013 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
8015 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
8017 (TARGET_IN_SMALL_DATA_P): Fix argument type.
8019 (TARGET_BINDS_LOCAL_P): Fix argument type.
8021 (TARGET_ASM_FILE_END): Use prototype.
8023 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
8025 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
8027 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
8029 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
8031 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
8032 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
8034 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
8035 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
8037 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
8038 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
8039 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
8040 (TARGET_ADDR_SPACE_CONVERT): Likewise.
8042 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
8044 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
8046 (TARGET_INIT_BUILTINS): Use prototype.
8048 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
8049 Put 'const char *' in braces. Fix parameter types.
8050 (TARGET_INVALID_CONVERSION): Fix parameter types.
8051 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
8052 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
8054 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
8057 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
8059 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
8061 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
8063 * doc/tm.texi (TARGET_HELP): Fix return type.
8065 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
8066 in braces. Fix argument types.
8068 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
8070 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
8072 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
8074 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
8075 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
8077 (TARGET_MANGLE_TYPE): Fix argument types.
8079 (TARGET_IRA_COVER_CLASSES): Use prototype.
8081 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
8083 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
8085 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
8087 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
8089 (TARGET_CALLEE_COPIES): Fix argument types.
8091 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
8093 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
8095 (TARGET_FUNCTION_VALUE): Fix argument types.
8097 (TARGET_RETURN_IN_MSB): Fix argument type.
8099 (TARGET_RETURN_IN_MEMORY): Fix argument types.
8101 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
8103 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
8105 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
8106 agree with return type.
8108 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
8110 2010-01-15 Jing Yu <jingyu@google.com>
8112 PR rtl-optimization/42691
8113 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
8114 a pseudo to a constant and are merged, and adjust comments.
8116 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
8118 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
8120 2010-01-15 Richard Guenther <rguenther@suse.de>
8123 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
8124 labels of computed or non-local gotos to the destination.
8125 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
8126 landing pad label is the first label.
8128 2010-01-15 Richard Guenther <rguenther@suse.de>
8130 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
8132 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
8135 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
8136 to allow generation of the xssqrtdp instruction on power7.
8137 (sqrtdf2_fpr): Ditto.
8139 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8142 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
8143 functions with noreturn attribute.
8146 * varasm.c (declare_weak): Add weak attribute to decl if it
8147 doesn't have one already.
8148 (assemble_external): Only add decls to weak_decls if they also
8149 have weak attribute.
8151 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
8153 * var-tracking.c (var_reg_delete): Don't delete the association
8154 between REGs and values or one-part variables if the register
8157 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8160 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
8161 because its first operand is a non-localized variable.
8163 2010-01-14 Martin Jambor <mjambor@suse.cz>
8165 PR tree-optimization/42706
8166 * tree-sra.c (encountered_recursive_call): New variable.
8167 (encountered_unchangable_recursive_call): Likewise.
8168 (sra_initialize): Initialize both new variables.
8169 (callsite_has_enough_arguments_p): New function.
8170 (scan_function): Call decl and flags check only for IPA-SRA, check
8171 whether there is a recursive call and whether it has enough arguments.
8172 (all_callers_have_enough_arguments_p): New function.
8173 (convert_callers): Look for recursive calls only when
8174 encountered_recursive_call is set.
8175 (ipa_early_sra): Bail out either if
8176 !all_callers_have_enough_arguments_p or
8177 encountered_unchangable_recursive_call.
8179 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8181 * sel-sched.c: Add 2010 to copyright years.
8182 * sel-sched-ir.c: Likewise.
8183 * sel-sched-ir.h: Likewise.
8185 2010-01-14 Martin Jambor <mjambor@suse.cz>
8187 PR tree-optimization/42714
8188 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
8189 constructors specially.
8191 2010-01-14 Andi Kleen <ak@linux.intel.com>
8193 * config/i386/drivers-i386.c (detect_caches_intel):
8194 Add l2sizekb parameter and fill in.
8195 (host_detect_local_cpu): Add l2sizekb, fill in.
8196 Add Atom small cache heuristic.
8198 2010-01-14 Andi Kleen <ak@linux.intel.com>
8200 * config/i386/drivers-i386.c (detect_caches_cpuid4):
8201 Add level3 parameter and fill in.
8202 (detect_caches_intel): Handle level3 cache.
8204 2010-01-14 Andi Kleen <ak@linux.intel.com>
8206 * config/i386/drivers-i386.c (host_detect_local_cpu):
8207 Fix core duo detection.
8209 2010-01-14 Andi Kleen <ak@linux.intel.com>
8211 * config/i386/drivers-i386.c (host_detect_local_cpu):
8214 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8216 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
8217 (rs6000_variable_issue_1): this. Use...
8218 (rs6000_variable_issue): here. Reimplement. Print debug info.
8220 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8222 * sel-sched-ir.c (sel_restore_other_notes): Rename to
8223 sel_restore_notes. Update all callers. Call reemit_notes
8226 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8228 PR rtl-optimization/42246
8229 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
8232 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8234 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
8235 all successors is the same as number of successors in current region.
8237 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8239 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
8240 to rename is not separable. Otherwise check that its LHS is not NULL.
8242 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8244 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
8246 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8248 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
8249 available registers when failed to discover LHS register class.
8250 Fix indentation. Update comment.
8252 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8253 Alexander Monakov <amonakov@ispras.ru>
8255 PR rtl-optimization/42389
8256 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
8258 (advance_state_on_fence): Likewise.
8259 (sel_target_adjust_priority): Print debug output only when
8260 sched_verbose >= 4, not 2.
8261 (get_expr_cost): Do not issue all unique insns on the next cycle.
8262 (fill_insns): Initialize can_issue_more from the value saved
8264 * sel-sched-ir.c (flist_add): New parameter issue_more.
8265 Init FENCE_ISSUE_MORE with it.
8266 (merge_fences): Likewise.
8267 (init_fences): Update call to flist_add.
8268 (add_to_fences, add_clean_fence_to_fences)
8269 (add_dirty_fence_to_fences): Likewise.
8270 (move_fence_to_fences): Update call to merge_fences.
8271 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
8273 * sel-sched-ir.h (struct _fence): New field issue_more.
8274 (FENCE_ISSUE_MORE): New accessor macro.
8276 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8278 PR rtl-optimization/42388
8279 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
8280 that have no predecessors nor successors. Do not call move_bb_info
8281 for empty blocks outside of current region.
8283 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8285 PR rtl-optimization/42294
8286 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
8287 * sel-sched.c (move_exprs_to_boundary): Transitively add all
8288 originators' originators.
8290 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8292 PR rtl-optimization/39453
8293 PR rtl-optimization/42246
8294 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
8296 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
8298 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8299 Alexander Monakov <amonakov@ispras.ru>
8302 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
8303 (maybe_tidy_empty_bb): ... here. Make static. Add new
8304 argument. Update all callers.
8305 (tidy_control_flow): ... and here. Recompute topological order
8306 of basic blocks in region if necessary.
8307 (sel_redirect_edge_and_branch): Change return type. Return true
8308 if topological order might have been invalidated.
8309 (purge_empty_blocks): Export and move from...
8310 * sel-sched.c (purge_empty_blocks): ... here.
8311 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
8312 (maybe_tidy_empty_bb): Delete prototype.
8313 (purge_empty_blocks): Declare.
8315 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8317 PR rtl-optimization/42249
8318 * sel-sched.c (try_replace_dest_reg): When chosen register
8319 and original register is the same, do not bail out early, but
8320 still check all original insns for validity of replacing destination
8321 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
8324 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8327 Port from no-undefined-overflow branch:
8328 2009-03-09 Richard Guenther <rguenther@suse.de>
8330 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
8332 2010-01-14 Richard Guenther <rguenther@suse.de>
8335 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
8337 2010-01-14 Ira Rosen <irar@il.ibm.com>
8339 PR tree-optimization/42709
8340 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
8341 as scalar type in creation of constant vector operand.
8343 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8346 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
8347 (check-parallel-%): Match `testsuite' directory component only
8350 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
8352 PR translation/39521
8353 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
8356 2010-01-13 Richard Guenther <rguenther@suse.de>
8358 PR tree-optimization/42730
8359 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
8362 2010-01-13 Steve Ellcey <sje@cup.hp.com>
8365 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
8366 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
8369 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
8371 * config/bfin/libgcc-bfin.ver: Regenerate based on current
8372 libgcc-std.ver. Add entries for ___smulsi3_highpart and
8373 ___umulsi3_highpart.
8375 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
8376 rather than schedule_insns if the pass is enabled.
8378 2010-01-13 Martin Jambor <mjambor@suse.cz>
8380 PR tree-optimization/42704
8381 * tree-sra.c (sra_modify_assign): Do not delete assignments to
8384 2010-01-13 Martin Jambor <mjambor@suse.cz>
8386 PR tree-optimization/42703
8387 * tree-sra.c (analyze_access_subtree): Check that we can build a
8388 reference to the original data within the aggregate.
8390 2010-01-13 Richard Guenther <rguenther@suse.de>
8392 PR tree-optimization/42705
8393 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
8395 2010-01-13 Richard Guenther <rguenther@suse.de>
8398 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
8400 2010-01-13 Jakub Jelinek <jakub@redhat.com>
8403 * var-tracking.c (values_to_unmark): New variable.
8404 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
8405 values_to_unmark vector. Moved body to...
8406 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
8407 instead queue it into values_to_unmark vector.
8408 (vt_find_locations): Free values_to_unmark vector.
8410 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
8412 * config/s390/s390.c (override_options): Set
8413 default of max-pending-list-length to 256
8415 2010-01-13 Richard Guenther <rguenther@suse.de>
8418 * tree-pass.h (PROP_gimple_lcx): New.
8419 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
8420 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
8421 before the final cleanup_eh.
8422 (dump_properties): Dump PROP_gimple_lcx.
8423 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
8424 (tree_lower_complex_O0): Remove.
8425 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
8426 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
8427 tree_lower_complex, schedule TODO_update_ssa.
8428 * lto-streamer-out.c (output_function): Stream the functions
8430 * lto-streamer-in.c (input_function): Likewise.
8431 (lto_read_body): Do not override them here.
8433 2010-01-12 Joseph Myers <joseph@codesourcery.com>
8436 * c-typeck.c (build_c_cast): Fold value cast to union type before
8437 wrapping it in a CONSTRUCTOR.
8439 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8441 PR rtl-optimization/42699
8442 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
8445 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8447 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8448 SUBTARGET_WARN_UNUSED_SPEC): Move ...
8449 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8450 SUBTARGET_WARN_UNUSED_SPEC): ... here
8451 * config/mips/iris5.h (LIBGCC_SPEC): Define.
8453 2010-01-12 Julian Brown <julian@codesourcery.com>
8455 * config/arm/neon-schedgen.ml (Utils): Don't try to
8456 open missing module.
8457 (find_with_result): New.
8459 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8462 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
8463 sharing when canonicalizing ({lt,ge}u (plus a b) b).
8465 PR tree-optimization/42645
8466 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
8467 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
8468 decl_map, set processing_debug_stmt to -1 and return name without
8471 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
8473 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
8474 binutils version, and reword target configuration description.
8476 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8478 * config/avr/avr.h (LINKER_NAME): Remove.
8480 2010-01-11 Janis Johnson <janis187@us.ibm.com>
8483 * config/rs6000/rs6000.c (rs6000_override_options): On targets
8484 that support VSX, warn for -mno-altivec if vsx is not disabled,
8487 2010-01-11 Joseph Myers <joseph@codesourcery.com>
8488 Shujing Zhao <pearly.zhao@oracle.com>
8490 PR translation/42469
8491 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
8492 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
8493 character between option name and help text.
8494 * c.opt (imultilib): Likewise.
8496 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
8498 * lto-streamer-out.c (output_unreferenced_globals): Output static
8501 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
8503 PR rtl-optimization/42621
8504 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
8505 optimizing for size.
8506 (duplicate_computed_gotos): Remove now-redundant check.
8508 2010-01-10 Steve Ellcey <sje@cup.hp.com>
8511 * configure.ac: Save and restore LDFLAGS and LIBS
8512 * configure: Regenerate.
8514 2010-01-10 Richard Guenther <rguenther@suse.de>
8517 * builtins.c (fold_builtin_strlen): Add type argument and
8518 convert the resulting length to it.
8519 (fold_builtin_1): Adjust.
8521 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8523 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
8524 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
8526 (num_insns_constant_wide): Adjust for that change.
8528 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8531 * web.c (union_defs): Add used argument, to combine uses of
8533 (entry_register): Adjust type and tests of used argument.
8534 (web_main): Widen used for new use. Pass it to union_defs.
8535 * df.h (union_defs): Adjust prototype.
8537 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8540 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
8541 uses in new incoming argument. Free body.
8542 (reset_debug_uses_in_loop): New.
8543 (analyze_insn_to_expand_var): Call the latter if the former found
8544 anything. Fix whitespace. Reject invalid dest overlaps before
8545 going through all insns in the loop.
8547 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8550 * haifa-sched.c (dying_use_p): Debug insns don't count.
8552 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8555 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
8556 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
8557 (verify_gimple_call): Reject LHS in noreturn calls.
8559 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8563 * tree-vect-loop-manip.c (adjust_info): New type.
8564 (adjust_vec): New pointer to vector.
8565 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
8566 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
8567 (slpeel_update_phis_for_duplicate_loop): Use them.
8568 (slpeel_update_phi_nodes_for_guard1): Likewise.
8569 (slpeel_update_phi_nodes_for_guard2): Likewise.
8570 (slpeel_tree_peel_loop_to_edge): Likewise.
8571 (vect_update_ivs_after_vectorizer): Likewise.
8573 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8575 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
8576 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
8578 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8580 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
8581 bogus uninitialized warning.
8583 2010-01-09 Richard Guenther <rguenther@suse.de>
8586 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
8587 the evolution is compatible with the initial condition.
8589 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8591 * gcc.c (process_command): Update copyright notice dates.
8592 * gcov.c (print_version): Likewise.
8593 * gcov-dump.c (print_version): Likewise.
8594 * mips-tfile.c (main): Likewise.
8595 * mips-tdump.c (main): Likewise.
8597 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8600 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
8602 (rotlhi3_8): Delete.
8604 (rotlsi3_8): Delete.
8605 (rotlsi3_16): Delete.
8606 (rotlsi3_24): Delete.
8608 (*rotw<mode>3): New.
8609 (*rotb<mode>3): New.
8610 * config/avr/avr.c (avr_rotate_bytes): New function.
8611 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
8613 2010-01-08 Steve Ellcey <sje@cup.hp.com>
8616 * configure.ac: Modify -rdynamic check.
8617 * configure: Regenerate.
8619 2010-01-08 DJ Delorie <dj@redhat.com>
8621 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
8622 register popping order.
8624 2010-01-08 Richard Guenther <rguenther@suse.de>
8627 * c.opt (fsigned-char): Also let LTO handle this option.
8628 (funsigned-char): Likewise.
8630 2010-01-07 Richard Guenther <rguenther@suse.de>
8632 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
8633 (gimple_op): Likewise.
8634 (gimple_op_ptr): Likewise.
8635 (gimple_assign_set_lhs): Remove gcc_assert.
8636 (gimple_assign_set_rhs1): Likewise.
8637 (gimple_assign_set_rhs2): Likewise.
8638 (gimple_call_set_lhs): Likewise.
8639 (gimple_call_set_fn): Likewise.
8640 (gimple_call_set_fndecl): Likewise.
8641 (gimple_call_fndecl): Likewise.
8642 (gimple_call_return_type): Likewise.
8643 (gimple_call_set_chain): Likewise.
8644 (gimple_call_num_args): Likewise.
8645 (gimple_call_set_arg): Likewise.
8646 (gimple_cond_set_code): Likewise.
8647 (gimple_cond_set_lhs): Likewise.
8648 (gimple_cond_set_rhs): Likewise.
8649 (gimple_cond_set_true_label): Likewise.
8650 (gimple_cond_set_false_label): Likewise.
8651 (gimple_label_set_label): Likewise.
8652 (gimple_goto_set_dest): Likewise.
8653 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
8654 (gimple_debug_bind_get_value): Likewise.
8655 (gimple_debug_bind_get_value_ptr): Likewise.
8656 (gimple_debug_bind_set_var): Likewise.
8657 (gimple_debug_bind_set_value): Likewise.
8658 (gimple_debug_bind_reset_value): Likewise.
8659 (gimple_debug_bind_has_value_p): Likewise.
8660 (gimple_return_retval_ptr): Remove gcc_assert.
8661 (gimple_return_retval): Likewise.
8662 (gimple_return_set_retval): Likewise.
8663 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
8664 (safe_referenced_var_iterator): Remove.
8665 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
8666 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
8667 (fill_referenced_var_vec): Remove.
8668 (first_readonly_imm_use): Remove redundant gcc_assert.
8669 (phi_arg_index_from_use): Combine gcc_asserts.
8670 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
8671 (first_imm_use_stmt): Remove redundant gcc_assert.
8672 * tree-cfg.c (verify_gimple_call): Verify function and chain
8673 operands. Verify arguments.
8674 (verify_types_in_gimple_stmt): Verify condition code and labels.
8676 2010-01-07 Richard Guenther <rguenther@suse.de>
8678 PR tree-optimization/42641
8679 * sese.c (rename_map_elt_info): Use the SSA name version, do
8682 2010-01-07 Jakub Jelinek <jakub@redhat.com>
8684 PR tree-optimization/42625
8685 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
8686 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
8688 2010-01-07 Duncan Sands <baldrick@free.fr>
8690 * Makefile.in (PLUGIN_HEADERS): Add version.h.
8692 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
8695 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
8696 note itself is not function_invariant_p.
8698 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
8700 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
8701 Do not add the DF_NOTE problem.
8702 * store-motion.c (execute_rtl_store_motion): Likewise.
8704 2010-01-07 Martin Jambor <mjambor@suse.cz>
8706 PR tree-optimization/42157
8707 * tree-sra.c (compare_access_positions): Stabilize sort if both
8708 accesses have integer types, return zero immediately if they are the
8711 2010-01-06 Richard Henderson <rth@redhat.com>
8714 * haifa-sched.c (add_to_note_list): Merge into ...
8715 (concat_note_lists): ... here, and ...
8716 (unlink_other_notes, rm_other_notes): Merge into...
8717 (remove_notes): ... here. Create REG_SAVE_NOTEs for
8718 NOTE_INSN_EPILOGUE_BEG.
8720 2010-01-06 Richard Guenther <rguenther@suse.de>
8722 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
8723 not inline regular functions into always-inline functions.
8725 2010-01-06 Nick Clifton <nickc@redhat.com>
8727 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
8728 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
8730 (OVERRIDE_OPTIONS): Delete.
8731 (OPTIMIZATION_OPTIONS): Define.
8732 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
8733 * config/rx/rx.c (rx_handle_option): Issue an error message if
8734 -mcpu=rx200 and -fpu are used together.
8735 (rx_set_optimization_options): New function. Issue an error
8736 message if an optimization attribute attempts to reset the FPU/
8737 math optimization pairing.
8738 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
8739 * config/rx/rx.opt: Set the default to 32-bit doubles.
8740 * config/rx/t-rx: Add multilibs for -nofpu option.
8741 * doc/invoke.texi: Update documentation of RX options.
8743 2010-01-06 Richard Guenther <rguenther@suse.de>
8745 * tree-ssa-pre.c (name_to_id): New global.
8746 (alloc_expression_id): Simplify SSA name handling.
8747 (lookup_expression_id): Likewise.
8748 (init_pre): Zero name_to_id.
8749 (fini_pre): Free it.
8751 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
8753 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
8755 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
8758 * config/i386/sse.md (smaxv2di3): New.
8759 (umaxv2di3): Likewise.
8760 (sminv2di3): Likewise.
8761 (uminv2di3): Likewise.
8763 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
8766 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
8767 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
8768 (legitimize_tls_address): Likewise.
8769 (sparc_tls_referenced_p): Likewise.
8770 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
8771 and adjust calls to legitimize_pic_address.
8772 (legitimate_constant_p) Use sparc_tls_referenced_p.
8773 (legitimate_pic_operand_p): Likewise.
8774 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
8775 (sparc_tls_symbol_ref_1): Delete.
8776 (sparc_tls_referenced_p): Make static, recognize specific patterns.
8777 (legitimize_tls_address): Make static, handle CONST patterns.
8778 (legitimize_pic_address): Make static, remove unused parameter and
8779 adjust recursive calls.
8780 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
8781 and adjust call to legitimize_pic_address.
8782 (sparc_output_mi_thunk): Likewise.
8784 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
8785 H.J. Lu <hongjiu.lu@intel.com>
8788 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
8789 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
8790 operands to make them signed.
8793 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8796 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8797 GTU to GT for V4SI and V2DI.
8799 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8800 (umin<mode>3): Removed.
8802 (uminv4si3): Likewise.
8804 2010-01-05 Martin Jambor <mjambor@suse.cz>
8806 PR tree-optimization/42462
8807 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
8808 current_function_decl to helper functions and macros.
8810 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8813 * flags.h: Don't include real.h.
8814 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
8815 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
8816 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
8817 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
8818 * dominance.c: Update copyright.
8819 * gimple.c (walk_gimple_op): Remove inline.
8820 * tree-ssa-reassoc.c: Include real.h.
8821 * Makefile.in (FLAGS_H): Remove $(REAL_H).
8822 (tree-ssa-reassoc.o): Depend on $(REAL_H).
8824 2010-01-05 Nick Clifton <nickc@redhat.com>
8826 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
8827 register to push into the stack frame when the accumulator has to
8828 be saved during interrupts.
8830 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
8832 * doc/invoke.texi: Remove the documentation about option
8834 * common.opt (Wunreachable-code): Preserved for backward
8836 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
8837 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
8838 the backward compatibility flag section.
8840 2010-01-05 Richard Guenther <rguenther@suse.de>
8842 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
8844 2010-01-05 Jakub Jelinek <jakub@redhat.com>
8847 * cfgexpand.c (expand_one_var): Diagnose too large variables.
8849 PR tree-optimization/42508
8850 * tree-sra.c (convert_callers): Check for recursive call
8851 by comparing cgraph nodes instead of decls.
8852 (modify_function): Call ipa_modify_formal_parameters also
8853 on all same_body aliases.
8855 * cgraphunit.c (cgraph_materialize_all_clones): Compare
8856 cgraph nodes when checking for same_body aliases.
8858 2010-01-05 Richard Guenther <rguenther@suse.de>
8860 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
8861 allocation and lookup.
8862 (get_or_alloc_expr_for_constant): Likewise.
8863 (phi_translate): Sink allocation.
8865 2010-01-04 Richard Guenther <rguenther@suse.de>
8867 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
8868 a new entry only if needed.
8869 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
8870 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
8872 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
8874 (phi_translate): Handle CONSTANTs early.
8876 2010-01-04 Martin Jambor <mjambor@suse.cz>
8878 PR tree-optimization/42398
8879 * tree-sra.c (struct access): Removed flag grp_different_types.
8880 (dump_access): Do not dump the removed flag.
8881 (sort_and_splice_var_accesses): Do not set the removed flag.
8882 (sra_modify_expr): Check for type compatibility directly.
8884 2010-01-04 Martin Jambor <mjambor@suse.cz>
8886 PR tree-optimization/42366
8887 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
8888 edges with variable number of parameters.
8889 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
8890 flag instead of asserting it.
8891 (ipa_read_node_info): Read uses_analysis_done flag.
8893 2010-01-04 Richard Guenther <rguenther@suse.de>
8895 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
8896 iterative_hash_* as intended.
8897 (vn_reference_compute_hash): Likewise. Simplify hashing
8899 (vn_reference_lookup_2): Likewise.
8900 (vn_nary_op_compute_hash): Likewise.
8901 (vn_phi_compute_hash): Likewise.
8902 (expressions_equal_p): Remove strange code.
8903 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
8904 (pre_expr_hash): Likewise. Simplify hashing SSA names.
8905 (bitmap_insert_into_set_1): Take value-id as parameter.
8906 (add_to_value): Pass it.
8907 (bitmap_insert_into_set): Likewise.
8908 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
8910 2010-01-04 Jakub Jelinek <jakub@redhat.com>
8913 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
8914 (do_self_spec): For switches with SWITCH_IGNORE set set also
8915 SWITCH_IGNORE_PERMANENTLY.
8916 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
8919 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
8921 * lto-streamer-out.c (output_unreferenced_globals): Output the full
8922 tree of an unreferenced global var.
8924 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8927 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8928 GTU to GT for V4SI and V2DI.
8930 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8931 (umin<mode>3): Removed.
8933 (uminv4si3): Likewise.
8935 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8938 * collect2.c (main): Turn on trace in collect2 if -v is passed
8941 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
8943 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
8944 description of expression operand.
8946 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
8948 * configure.ac: Add install-html to target_list for Make-hooks.
8949 * configure: Regenerate.
8950 * fortran/Make-lang.in (F95_HTMLFILES): New.
8951 (fortran.html): Use it.
8952 (fortran.install-html): New.
8953 * Makefile.in (install-html): Add lang.install-html.
8954 * java/Make-lang.in (JAVA_HTMLFILES): New.
8955 (java.html): Use it.
8956 (java.install-html): New.
8957 * objc/Make-lang.in (objc.install-html): New.
8958 * objcp/Make-lang.in (obj-c++.install-html): New.
8959 * cp/Make-lang.in (c++.install-html): New.
8960 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
8961 * lto/Make-lang.in (lto.install-html): New.
8963 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8966 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
8968 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
8970 PR rtl-optimization/41862
8971 * store-motion.c (store_killed_in_insn, compute_store_table,
8972 remove_reachable_equiv_notes, replace_store_insn,
8973 build_store_vectors): Ignore all DEBUG_INSNs.
8975 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8978 * common.opt: Add dumpdir.
8980 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
8982 (option_map): Add --dumpdir.
8984 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
8986 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
8988 * opts.c (decode_options): Try dump_dir_name first if
8989 dump_base_name isn't an absolute path.
8990 (common_handle_option): Handle OPT_dumpdir.
8992 * toplev.c (dump_dir_name): New.
8993 (print_switch_values): Also ignore -dumpdir.
8995 * toplev.h (dump_dir_name): New.
8997 2010-01-03 Richard Guenther <rguenther@suse.de>
8999 PR tree-optimization/42589
9000 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
9001 double-word expansion of bswap32.
9003 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
9005 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
9006 with BLOCK_FOR_INSN.
9007 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
9008 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
9009 noce_process_if_block): Likewise.
9010 * gcse.c (compute_local_properties, insert_expr_in_table,
9011 insert_set_in_table, canon_list_insert, find_avail_set,
9012 pre_insert_copy_insn): Likewise.
9014 * basic-block.h (BLOCK_NUM): Move from here...
9015 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
9017 2010-01-03 Richard Guenther <rguenther@suse.de>
9019 PR tree-optimization/42438
9020 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
9021 contains_may_not_return_call flag.
9022 (BB_MAY_NOTRETURN): New.
9023 (valid_in_sets): Trapping nary operations are not valid
9024 in blocks that may not return.
9025 (insert_into_preds_of_block): Remove check for trapping expressions.
9026 (compute_avail): Compute also BB_MAY_NOTRETURN.
9028 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
9030 * doc/invoke.texi: Add 2010 to copyright years.
9032 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
9034 * config/sparc/sparc.c: Fix formatting nits.
9036 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
9037 Alexander Monakov <amonakov@ispras.ru>
9039 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
9041 2010-01-02 Richard Guenther <rguenther@suse.de>
9044 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
9045 (simplify_switch_using_ranges): Mark to be removed edges
9048 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9050 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
9052 * collect2.c (scan_libraries): Add missing argument in call to
9055 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
9058 * config/alpha/predicates.md (aligned_memory_operand): Return false
9060 (unaligned_memory_operand): Return true for CQImode.
9061 * config/alpha/alpha.c (get_aligned_mem): Assert that location
9062 doesn not cross aligned SImode word boundary.
9064 2010-01-02 Anatoly Sokolov <aesok@post.ru>
9066 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
9068 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
9069 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
9071 2010-01-02 Richard Guenther <rguenther@suse.de>
9074 * toplev.c (compile_file): Emit LTO marker properly. Change
9076 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
9078 2010-01-01 Richard Guenther <rguenther@suse.de>
9081 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
9083 2010-01-01 Richard Guenther <rguenther@suse.de>
9086 * c-decl.c (grokdeclarator): For zero-size arrays force
9087 structural equality checks as layout_type does.
9089 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
9091 * builtins.c: Update copyright to 2010.
9093 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
9096 * lto-streamer-out.c (produce_asm): Revert the last change.
9097 (copy_function): Likewise.
9099 * lto-streamer.c (lto_get_section_name): Skip any leading
9102 2010-01-01 Richard Guenther <rguenther@suse.de>
9105 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
9109 Copyright (C) 2010 Free Software Foundation, Inc.
9111 Copying and distribution of this file, with or without modification,
9112 are permitted in any medium without royalty provided the copyright
9113 notice and this notice are preserved.